WO2024136054A1 - 공기조화기의 실외기 - Google Patents
공기조화기의 실외기 Download PDFInfo
- Publication number
- WO2024136054A1 WO2024136054A1 PCT/KR2023/015978 KR2023015978W WO2024136054A1 WO 2024136054 A1 WO2024136054 A1 WO 2024136054A1 KR 2023015978 W KR2023015978 W KR 2023015978W WO 2024136054 A1 WO2024136054 A1 WO 2024136054A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- case
- electrical equipment
- refrigerant
- room
- cabinet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/20—Electric components for separate outdoor units
- F24F1/22—Arrangement or mounting thereof
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/38—Fan details of outdoor units, e.g. bell-mouth shaped inlets or fan mountings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/06—Separate outdoor units, e.g. outdoor unit to be linked to a separate room comprising a compressor and a heat exchanger
- F24F1/56—Casing or covers of separate outdoor units, e.g. fan guards
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/89—Arrangement or mounting of control or safety devices
Definitions
- the present disclosure relates to an outdoor unit of an air conditioner, and more specifically, to an outdoor unit of an air conditioner that can prevent explosion due to refrigerant leakage.
- An air conditioner is a device that uses a refrigeration cycle to control temperature, humidity, airflow, distribution, etc. suitable for human activity.
- the main components that make up the refrigeration cycle include a compressor, condenser, evaporator, and blowing fan.
- Air conditioners can be divided into separate air conditioners in which the indoor and outdoor units are installed separately, and integrated air conditioners in which the indoor and outdoor units are installed together in one cabinet.
- the outdoor unit of the separate air conditioner includes an outdoor heat exchanger that exchanges heat with outdoor air, a compressor that compresses the refrigerant, an expander that decompresses the refrigerant, and a blower fan that generates air flow, and an outdoor heat exchanger, expander, compressor, and blower. Includes a cabinet to accommodate the fan.
- the outdoor unit is placed in a cabinet and includes a refrigerant pipe connecting a heat exchanger, a compressor, and an expander, through which refrigerant flows, and a controller capable of controlling the heat exchanger and compressor.
- the controller may be provided in the form of an electrical component and placed within a cabinet.
- an environmentally friendly refrigerant may include R290.
- Environmentally friendly refrigerants may be flammable and/or explosive.
- refrigerants such as R290, an environmentally friendly refrigerant can be heavier than air.
- Leakage of refrigerant may occur in the refrigerant pipe itself or at connections with the heat exchanger, compressor, and expander. If the refrigerant used in the air conditioner is an environmentally friendly refrigerant, the leaked refrigerant is heavier than air and may accumulate in the cabinet. Additionally, if the refrigerant cannot be discharged outside the cabinet and accumulates within the cabinet, the refrigerant may flow into the electrical equipment room where the electrical equipment is placed, and the refrigerant may react due to sparks generated from the electrical equipment, resulting in a fire or explosion.
- Embodiments of the present disclosure can provide an outdoor unit of an air conditioner that can prevent explosion.
- An embodiment of the present disclosure can provide an outdoor unit of an air conditioner that can be smoothly discharged without refrigerant accumulating inside the cabinet.
- the outdoor unit of the air conditioner includes a cabinet, a heat exchange chamber accommodating a heat exchanger within the cabinet, and an electrical equipment case on one side of the heat exchange room, and an opening on a first side of the electrical equipment case.
- a first electrical equipment case including a first electrical equipment room case, a first electrical equipment room inside the first electrical equipment room case, a first electrical equipment in the first electrical equipment room, and a first electrical equipment device configured to cover the opening of the first electrical equipment room case.
- the second side On the second side, it includes a first duct hole connecting the first electrical equipment case and the duct, wherein the first electrical equipment case and the duct allow the refrigerant to pass through the first duct hole, and the duct It can flow to the outside of the cabinet through.
- the outdoor unit of the air conditioner is an exhaust hose that connects the first electrical equipment room case and the cabinet, and is discharged from the electrical equipment room to the outside of the cabinet through the exhaust hose. It may further include a discharge hose through which the refrigerant in the case flows.
- the outdoor unit of the air conditioner further includes a blower fan in the heat exchange chamber to move air, and in response to the blower fan rotating in a first rotation direction, the first electric field Refrigerant within the room may flow to the outside of the cabinet through the discharge hose.
- the outdoor unit of the air conditioner in response to the blower fan rotating in the second rotation direction, the refrigerant in the first electrical equipment room flows from the first electrical equipment room through the first duct hole. and can flow into the heat exchange chamber through the duct.
- the outdoor unit of the air conditioner further includes a second electrical equipment room provided next to the first electrical equipment room, the second electrical equipment room is located in a front area of the cabinet, and the duct is It may be in communication with the heat exchange room, the first electrical equipment room, and the second electrical equipment room.
- the outdoor unit of the air conditioner is a second electrical equipment room case disposed next to the first electrical equipment room case and includes an opening on the first side
- the second electrical equipment room is the second electrical equipment room case. It includes a second electrical equipment room case that is inside the electrical equipment room case, a second duct hole formed on a second side of the second electronic equipment room case, and connecting the second electrical equipment room case and the duct, and the first electrical equipment room case.
- the electrical equipment room case may include a hose hole formed in the bottom of the second case to connect the discharge hose to the first electrical equipment room case.
- the outdoor unit of the air conditioner includes the first duct hole including a plurality of first duct holes, the second duct hole including a plurality of second duct holes, and the plurality of duct holes.
- the first duct hole is formed in the upper and lower portions of the second side of the first electronic device case, respectively, and the plurality of second duct holes are formed in the upper and lower portions of the second side of the second electrical device case, respectively.
- the refrigerant in the second electrical compartment passes through the plurality of second duct holes formed in the lower portion of the second side of the second electrical compartment case, and the duct It can flow through the plurality of first duct holes formed in the lower part of the second side of the first electrical compartment case, and through the hose hole to the discharge hose.
- the outdoor unit of the air conditioner extends from between the first electrical equipment room case and the first case cover to the opening of the first electrical equipment room case and the first electrical equipment room case.
- a first sealing portion extending between a first sealing portion, a second sealing portion extending from the first sealing portion toward the inside of the first electrical wiring compartment case, and a center of an opening of the first electrical wiring compartment case from the second sealing portion. It may include a third sealing part extending toward and a fourth sealing part extending from the second sealing part to contact the inside of the first electrical compartment case.
- the outdoor unit of the air conditioner has a first case cover, a cover portion covering the first side of the first electrical equipment room case, and the sealing member is connected to the first electrical equipment room case. and a first protrusion protruding from the cover part toward the inside of the first electrical compartment to guide it between the first case cover, and a first protrusion from the first protrusion to be inserted between the first sealing part and the third sealing part. 1 It may include a second protrusion protruding toward the inside of the electrical compartment case.
- the outdoor unit of the air conditioner is a second electrical equipment room case next to the first electrical equipment room case in the front area of the cabinet, and has an opening on the first side of the second electrical equipment room case.
- a second electrical equipment case including a second electrical equipment room case, a second electrical equipment in the second electrical equipment room case, a second electrical equipment in the second electrical equipment room, and a second case cover configured to cover the opening of the second electrical equipment room case.
- the sealing member includes a first sealing member between the first electrical compartment case and the first case cover and a second sealing member between the second electrical compartment case and the second case cover. It can be included.
- the outdoor unit of the air conditioner includes an electrical box disposed in the second electrical equipment room case to accommodate the second electrical equipment, and an electrical equipment box to receive heat generated from the second electrical equipment. It may further include a heat transfer member disposed at the rear, a heat exchange fin disposed in the duct and coupled to the heat transfer member to cool the second electrical equipment, and a third sealing member around the heat transfer member.
- the outdoor unit of the air conditioner the cabinet includes a front panel
- the outdoor unit of the air conditioner includes the inside of the cabinet and the inside of the cabinet to prevent refrigerant from flowing into the first electrical equipment room. It is configured to communicate with the outside of the cabinet, and is configured to guide the discharge hole formed in the front panel below the first electrical equipment room and the refrigerant in the cabinet to the discharge hole, within the cabinet, below the electrical equipment room. It may further include a guide adjacent to the front panel.
- the outdoor unit of the air conditioner includes a base extending in the vertical direction, a pair of panel parts on both sides of the base to accommodate wires connected to the first electrical equipment, and It may include a protrusion protruding forward from the base to guide the refrigerant into the discharge hole.
- the outdoor unit of the air conditioner may further include a blocking member between the front panel and the protrusion, configured to block the refrigerant from flowing from the bottom of the cabinet to the first electrical equipment room. there is.
- the portion of the front panel corresponding to the protrusion protrudes toward the front, and the discharge hole extends from the same position as the guide to the base of the cabinet. You can.
- an outdoor unit of an air conditioner that can prevent the refrigerant from reacting with sparks that may occur in electrical equipment because the refrigerant is discharged to the outside of the cabinet through an exhaust hole formed in the cabinet.
- the refrigerant is discharged to the outside of the cabinet through the guide duct and discharge hose and the refrigerant does not accumulate inside the electrical equipment room, so that the air conditioner can prevent fire and explosion of the outdoor unit.
- the air conditioner can prevent fire and explosion of the outdoor unit.
- FIG. 1 is a perspective view of an air conditioner according to an embodiment of the present disclosure.
- Figure 2 is a perspective view of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 3 is a rear perspective view of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 4 is an exploded perspective view of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 5 is a perspective view of a portion of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 6 is an exploded perspective view of a portion of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 7 is an enlarged perspective view of a portion of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- FIG. 8 is a perspective view showing a portion of the cabinet removed from the outdoor unit shown in FIG. 7.
- Figure 9 is a cross-sectional view of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 10 is a perspective view of a guide in an outdoor unit according to an embodiment of the present disclosure.
- Figure 11 is a perspective view of a partial configuration of an outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 12 is a cross-sectional view of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 13 is a cross-sectional view of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- FIG. 14 is a partially enlarged view of the outdoor unit shown in FIG. 12.
- FIG. 15 is an enlarged view of a portion of the outdoor unit shown in FIG. 13.
- Figure 16 is a control block diagram of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 17 is a diagram showing the flow of air in the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 18 is a diagram showing the flow of air in the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 19 is a diagram showing the flow of air in the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 20 is a diagram showing the flow of air in the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 21 is a diagram showing the flow of air in the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 22 is a diagram showing the flow of air in the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 23 is a diagram showing the flow of air in the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 24 is a diagram showing the flow of air in the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 25 is a diagram showing the flow of air in the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- first”, “second”, etc. used in this specification may be used to describe various components, but the components are not limited by the terms, and the terms It is used only for the purpose of distinguishing one component from another.
- a first component may be referred to as a second component, and similarly, the second component may be referred to as a first component without departing from the scope of the present disclosure.
- the term “and/or” includes any of a plurality of related stated items or a combination of a plurality of related stated items.
- the first electrical equipment room case can be the second electrical equipment room case
- the first electrical equipment room can be the second electrical equipment room
- the first cover can be the second cover
- the first electrical equipment can be the second electrical equipment.
- 2It can be a battlefield item.
- the second electrical equipment case can be the first electrical equipment room case
- the second electrical equipment room can be the first electrical equipment room
- the second cover can be the first cover
- the second electrical equipment. can become the first electrical equipment.
- the meaning of 'identical' includes properties that are similar to each other or are similar within a certain range.
- identical means ‘substantial identical’. Substantially the same means that values that fall within the margin of error in manufacturing or values that fall within a range that has no meaning compared to the standard value should be understood as being included in the scope of 'the same.
- ⁇ unit may refer to a unit that processes at least one function or operation.
- the terms may mean at least one piece of hardware such as a field-programmable gate array (FPGA)/application specific integrated circuit (ASIC), at least one software stored in memory, or at least one process processed by a processor. there is.
- FPGA field-programmable gate array
- ASIC application specific integrated circuit
- the terms “upward” and “downward” below may mean upward in the Z direction and downward in the direction opposite to the Z direction, respectively, based on FIG. 2 .
- the terms “front” and “rear” below may mean front in the X direction and rear in the direction opposite to the X direction, respectively, based on FIGS. 2 and 3.
- the term “left and right direction” below may mean the Y direction and the direction opposite to the Y direction based on FIGS. 2 and 3.
- the direction opposite to the X direction, the direction opposite to the Z direction, and the direction opposite to the Z direction may be referred to as -X direction, -Y direction, and -Z direction, respectively. Additionally, the X direction may be referred to as the first direction, the Y direction may be referred to as the second direction, and the Z direction may be referred to as the third direction.
- FIG. 1 is a perspective view of an air conditioner according to an embodiment of the present disclosure.
- an air conditioner 1 may include an indoor unit 20 disposed in an indoor space and an outdoor unit 10 disposed in an outdoor space.
- the air conditioner 1 can absorb heat inside the air conditioning space and emit heat outside the air conditioning space in order to cool the air conditioning space that is subject to air conditioning. Additionally, the air conditioner 1 may absorb heat from outside the air conditioning space and emit heat within the air conditioning space in order to heat the air conditioning space.
- the outdoor unit 10 can exchange heat with outdoor air outside the air conditioning space.
- the outdoor unit 10 may perform heat exchange between the refrigerant and outdoor air using a phase change (eg, evaporation or condensation) of the refrigerant.
- a phase change eg, evaporation or condensation
- the outdoor unit 10 may release heat from the refrigerant to the outdoor air using condensation of the refrigerant.
- the outdoor unit 10 can absorb heat from outdoor air into the refrigerant by using evaporation of the refrigerant.
- the number of outdoor units 10 is not limited to what is shown in FIG. 1.
- the air conditioner 1 may include a plurality of outdoor units.
- the outdoor unit 10 may include an outdoor heat exchanger (11, see FIG. 4) that exchanges heat with outdoor air, and a compressor (12, see FIG. 4) that compresses refrigerant gas.
- the indoor unit 20 can exchange heat with indoor air within the air conditioning space.
- the indoor unit 20 may perform heat exchange between the refrigerant and indoor air using a phase change (eg, evaporation or condensation) of the refrigerant.
- the indoor unit 20 can cool the air conditioning space by absorbing heat from indoor air into the refrigerant using evaporation of the refrigerant.
- the indoor unit 20 uses condensation of the refrigerant to emit heat from the refrigerant to the indoor air, thereby heating the air conditioning space.
- the indoor unit 20 may be a radiator.
- the type of indoor unit 20 is not limited to the above examples.
- the indoor unit 20 may include an indoor heat exchanger that exchanges heat with indoor air, an indoor blower fan that sucks and blows indoor air so that the indoor air passes through the indoor heat exchanger, and an expander that expands the refrigerant under reduced pressure.
- the air conditioner 1 may include a plurality of indoor units.
- a plurality of different indoor units may be respectively installed in a plurality of different air conditioning spaces.
- the air conditioner 1 can perform heat exchange between the refrigerant outside the air conditioning space and outdoor air and heat exchange between the refrigerant and indoor air within the air conditioning space.
- the air conditioner 1 may include a connection pipe 30 that transfers the refrigerant between the indoor unit 20 and the outdoor unit 10 in order to move heat between the outside of the air conditioning space and the inside of the air conditioning space. You can.
- the connection pipe 30 can flow the refrigerant between outside the air conditioning space and within the air conditioning space.
- the indoor unit 20 and the outdoor unit 10 may be connected to each other through a connection pipe 30 that delivers refrigerant. Additionally, although not shown in the drawing, the indoor unit 20 and the outdoor unit 10 may be connected to each other through wires for transmitting power and electrical signals.
- the air conditioner 1 described above is only an example of an air conditioner to which the outdoor unit of the air conditioner according to the spirit of the present disclosure can be applied, and the spirit of the present disclosure is not limited thereto.
- the configuration of the air conditioner, the indoor unit included therein, the connection pipe, etc. to which the outdoor unit of the air conditioner according to the spirit of the present disclosure can be applied can be provided in various ways.
- the outdoor unit 10 of the air conditioner 1 will be described in detail.
- the outdoor heat exchanger 11 included in the outdoor unit 10 will be referred to as the heat exchanger 11.
- Figure 2 is a perspective view of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 3 is a rear perspective view of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 4 is an exploded perspective view of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- the outdoor unit 10 of the air conditioner 1 includes a heat exchanger 11 for exchanging heat with outdoor air, a compressor 12 for compressing refrigerant, and sucking and blowing outdoor air.
- a blowing fan 16 that allows outdoor air to pass through the heat exchanger 11, and a cabinet 100 that forms the exterior of the outdoor unit 10.
- the cabinet 100 may form the exterior of the outdoor unit 10.
- Various parts of the outdoor unit 10, such as the heat exchanger 11, compressor 12, and blower fan 16, may be accommodated inside the cabinet 100.
- the outdoor unit 10 may include a heat exchange chamber (R1) formed inside the cabinet 100.
- External air may be introduced into the heat exchange chamber (R1), and the introduced air may be discharged to the outside again.
- heat exchange may occur between the heat exchanger 11 and air introduced into the heat exchanger 11 from the outside.
- a heat exchanger 11, a blower fan 16, etc. may be disposed in the heat exchange room R1.
- the outdoor unit 10 may include a machine room R2 formed inside the cabinet 100.
- components such as a compressor 12 and a refrigerant pipe 40 may be disposed.
- the outdoor unit 10 may include a partition 14 dividing the heat exchange room (R1) and the machine room (R2).
- the partition 14 may be disposed between the heat exchange room (R1) and the machine room (R2).
- the heat exchange room (R1) and the machine room (R2) may be arranged along the Y direction, and the partition 14 extends along the Z direction and is provided to partition the heat exchange room (R1) and the machine room (R2) from each other. It can be.
- the cabinet 100 may include a front panel 110 that forms the front exterior of the outdoor unit 10.
- the front panel 110 may be arranged to face the front of the outdoor unit 10.
- the front panel 110 may form the front of the outdoor unit 10.
- the “front” of the outdoor unit 10 here refers to the front in the X direction in the drawing.
- the front panel 110 may cover the front of the heat exchange room (R1) and the machine room (R2).
- the front panel 110 may be formed in a substantially flat plate shape. However, the present invention is not limited to this, and the front panel 110 may be formed to have various shapes.
- the front panel 110 may be made of a metal material. However, it is not limited to this, and the front panel 110 may be made of various materials.
- the front panel 110 may include a first panel portion 111 and a second panel portion 112.
- the first panel portion 111 and the second panel portion 112 may be arranged along the Y direction.
- the first panel portion 111 and the second panel portion 112 may be combined.
- An inlet 110a may be formed in the first panel 111 to allow air to flow into the cabinet 100.
- the first panel portion 111 may be provided in a substantially square shape.
- the second panel portion 112 may extend in the vertical direction.
- a discharge hole 113 may be formed in the second panel portion 112.
- the discharge hole 113 may be formed adjacent to one end of the second panel portion 112 along the Y direction.
- the discharge hole 113 formed in the front panel 110 may be referred to as the first discharge hole 113.
- the first discharge hole 113 may be formed from approximately the middle to the bottom of the second panel portion 112.
- the formation location of the first discharge hole 113 is not limited to the above example, and may be formed on the side panel 130 or the rear panel 121.
- the front panel 110 may include an inclined portion 116 and a protruding portion 114.
- the inclined portion 116 may protrude from the second panel portion 112 toward the protruding portion 114 .
- the protrusion 114 may have a step difference from the second panel portion 112.
- a first portion 113a of the first discharge hole 113 may be formed in the protrusion 114.
- protrusion holes 114a may be formed on the sides of the protrusion 114 and the inclined portion 116.
- the first discharge hole 113 may include a first part 113a and a second part 113b.
- the first part 113a may be formed approximately in the middle of the second panel part 112, and the second part 113b may be formed in the lower part of the second panel part 112.
- the discharge hole 113 may communicate between the inside and outside of the cabinet 100 so that the air inside the cabinet 100 and the air outside the cabinet 100 exchange or move with each other.
- the cabinet 100 may include a rear frame 120 and a rear panel 121 that form part of the rear exterior of the outdoor unit 10.
- the rear frame 120 and the rear panel 121 may be disposed at the rear of the cabinet 100.
- the “rear” of the outdoor unit 10 here refers to the rear in the X direction in the drawing.
- the rear frame 120 may be disposed at the rear of the heat exchange chamber (R1).
- the rear frame 120 may be formed to have a shape in which a plurality of bars are crossed and combined with each other.
- the rear frame 120 may be formed to have a shape in which a plurality of bars are arranged in a substantially lattice shape.
- Each of the plurality of bars of the rear frame 120 may be made of a metal material.
- the plurality of bars of the rear frame 120 may be joined to each other by welding or the like. However, it is not limited to this, and the rear frame 120 may be formed to have various shapes and may be made of various materials.
- the rear frame 120 may be placed toward the outer wall of a building.
- the rear panel 121 may be placed at the rear of the machine room (R2).
- the rear panel 121 may cover the rear of the machine room (R2).
- the rear panel 121 may extend in the vertical direction.
- the outdoor unit may include discharge holes 121a and 121b formed in the rear panel 121.
- the discharge holes 121a and 121b formed in the rear panel 121 may include a second discharge hole 121a and a third discharge hole 121b.
- the second discharge hole 121a may be formed approximately in the middle of the rear panel 121.
- the second discharge hole 121a may be connected to the discharge hose 190, which will be described later.
- the third discharge hole 121b may be formed in the lower part of the rear panel 121.
- the second discharge hole 121a and the third discharge hole 121b may communicate with the inside and outside of the cabinet 100 so that the air inside the cabinet 100 and the air outside the cabinet 100 exchange or move with each other.
- the cabinet 100 may include a side frame 130 that forms the exterior of the outdoor unit 10 in the left and right directions.
- the side frame 130 may be arranged to face the left and right directions of the outdoor unit 10.
- the side frame 130 may form the side surfaces of the outdoor unit 10 in the left and right directions.
- the side frame 130 may be referred to as a side panel 130.
- the side frame 130 may include a first side frame 131 and a second side frame 132.
- the first side frame 131 may form one of the two sides in the left and right directions of the cabinet 100
- the second side frame 132 may form one of the two sides in the left and right directions of the cabinet 100. can be formed.
- the first side frame 131 may cover the heat exchange chamber (R1).
- the first side frame 131 may cover the rear side of the heat exchange chamber (R1).
- the first side frame 131 may be formed to have various shapes.
- the second side frame 132 may cover the machine room (R2). At least a part of the second side frame 132 may cover one side of the machine room R2 in the left and right directions, and at least another part of the second side frame 132 may cover the machine room R2 from the rear. . That is, the second side frame 132 not only forms part of the side surfaces of the cabinet 100 in the left and right directions, but also forms a part of the rear of the cabinet 100. The second side frame 132 may be provided to block the machine room R2 from the outside of the cabinet 100.
- At least a portion of the second side frame 132 covers the machine room R2 from the left side and may extend along the front-to-back direction.
- the second side frame 132 may be formed to have various shapes.
- the second side frame 132 may connect the front panel 110 and the rear panel 121. In other words, the second side frame 132 may be connected to the front panel 110 and the rear panel 121, respectively.
- the outdoor unit may further include a front cover 90 that covers the front of the front panel 110.
- the front cover 90 may be placed in front of the front panel 110.
- the front cover 90 may include a first cover part 91 and a second cover part 92.
- the cabinet 100 may include an inlet grill 160 that covers the inlet 110a.
- the inlet grill 160 may be formed in the first cover part 91.
- the inlet grill 160 may be formed to have a substantially grill shape to allow air to pass through.
- the inlet grill 160 may be formed to have a shape corresponding to the shape of the inlet 110a.
- the inlet grill 160 may form part of the front exterior of the outdoor unit 10.
- the inlet grill 160 may be arranged to face forward.
- the inlet grill 160 may cover the front of the inlet 110a.
- the inlet grill 160 may cover the front of the heat exchange chamber (R1).
- the second cover part 92 can cover the second panel part 112 so that the first discharge hole 113 is not exposed to the outside. Through this, the overall appearance of the outdoor unit 10 can be improved.
- the front cover 90 may be included in the cabinet 100.
- the cabinet 100 may include a base 140 that forms the bottom of the outdoor unit 10.
- the base 140 may form the lower exterior of the outdoor unit 10.
- the base 140 may be disposed downward of the outdoor unit 10.
- the base 140 may cover the lower portion of the heat exchange room (R1) and the machine room (R2).
- the base 140 can support various parts of the outdoor unit 10 accommodated inside the cabinet 100.
- the base 140 may be connected to the lower portion of each of the front panel 110, rear frame 120, and side frame 130.
- the base 140 may be formed to have a substantially flat plate shape. However, it is not limited to this, and the base 140 may be formed to have various shapes.
- the base 140 may be comprised of substantially a metal material. However, it is not limited to this, and the base 140 may be configured to include various materials.
- the outdoor unit may include legs 17 supporting the base 140.
- the legs 17 are disposed below the base 140 and can support the overall components of the outdoor unit 10.
- the legs 17 may be provided in plural numbers.
- the cabinet 100 may include a top cover 150 that forms the top of the outdoor unit 10.
- the top cover 150 may form the upper exterior of the outdoor unit 10.
- the top cover 150 may be disposed toward the top of the outdoor unit 10.
- the top cover 150 may cover the upper portion of the heat exchange room (R1) and the machine room (R2).
- the top cover 150 can cover various parts of the outdoor unit 10 accommodated inside the cabinet 100 from the top.
- the top cover 150 may be connected to the top of each of the front panel 110, rear frame 120, and side frame 130.
- the top cover 150 may be formed to have a substantially flat plate shape. However, it is not limited to this, and the top cover 150 may be formed to have various shapes.
- the top cover 150 may be made to include approximately a metal material. However, the present invention is not limited, and the top cover 150 may be made of various materials.
- the components included in the above-described cabinet 100 such as the front panel 110, rear frame 120, rear panel 121, side frame 130, base 140, legs, and top cover 150, are each It may be formed as a separate configuration.
- the front panel 110, rear frame 120, rear panel 121, side frame 130, base 140, legs 17, and top cover 150 are included in the cabinet 100. ), etc., may be formed integrally with each other.
- the cabinet 100 may be formed to have a substantially box shape. That is, the outdoor unit 10 may be formed to have a substantially box shape. However, it is not limited to this, and the cabinet 100 may be formed to have various shapes.
- the cabinet 100 may be configured to allow air to enter and exit.
- the cabinet 100 has an inlet 110a through which air outside the cabinet 100 flows into the cabinet 100, and an outlet 120b through which air inside the cabinet 100 is discharged to the outside of the cabinet 100. ) may include.
- the inlet 110a may be formed so that the inside of the cabinet 100 communicates with the outside. When the blowing fan 16 is driven, air outside the outdoor unit 10 may flow into the cabinet 100 through the inlet 110a.
- the inlet 110a allows the heat exchange room R1 to communicate with the outside of the cabinet 100, and when the blower fan 16 is driven, air outside the outdoor unit 10 flows through the inlet 110a. It can flow into the heat exchange room (R1) through.
- the outlet 120b may be formed so that the inside of the cabinet 100 communicates with the outside.
- the air inside the cabinet 100 may be discharged to the outside of the cabinet 100 through the outlet 120b.
- the outlet 120b allows the heat exchange chamber (R1) to communicate with the outside of the cabinet 100, and when the blowing fan 16 is driven, the air inside the heat exchange chamber (R1) flows through the outlet 120b. It can be discharged to the outside of the outdoor unit 10 through .
- the outlet (120b) may be disposed behind the inlet (110a). In order to improve heat exchange efficiency, the outlet 120b may be arranged to correspond to the arrangement of the heat exchanger 11. As an example, at least a portion 120b of the outlet 120b may be formed by the rear frame 120. In the cabinet 100, the outlet 120b may be arranged in various ways depending on the shape or arrangement of the heat exchanger 11.
- the heat exchanger 11 may be provided to exchange heat with outdoor air.
- the heat exchanger 11 may be provided so that refrigerant flows therein. In the heat exchanger 11, heat exchange can occur between the refrigerant and outdoor air.
- the heat exchanger (11) may discharge refrigerant liquid.
- the low-temperature voltage refrigerant liquid is evaporated in the heat exchanger 11, and while the refrigerant is evaporated, the refrigerant can absorb heat from indoor air.
- the heat exchanger (11) may discharge refrigerant gas.
- the heat exchanger 11 may be placed inside the cabinet 100.
- the heat exchanger 11 may be placed in the heat exchange chamber (R1).
- the heat exchanger 11 may be disposed between the inlet 110a and the outlet 120b.
- the heat exchanger 11 may be supported by the base 140.
- the heat exchanger 11 may be disposed on the base 140.
- the compressor 12 can compress refrigerant gas and discharge high-temperature, high-pressure refrigerant gas.
- the compressor 12 may include a motor and a compression mechanism, and the compression mechanism may compress the refrigerant gas by the torque of the motor.
- the compressor 12 may be placed inside the cabinet 100.
- the compressor 12 may be placed in the machine room R2.
- Compressor 12 may be supported by base 140.
- the outdoor unit may further include a refrigerant pipe 40.
- the refrigerant pipe 40 may be connected to a compressor 12, a heat exchanger 11, an expander, etc. Refrigerant flowing through the compressor 12, heat exchanger 11, and expander may flow within the refrigerant pipe 40.
- the refrigerant pipe 40 may be disposed within the cabinet 100. For example, the refrigerant pipe 40 may be placed in the machine room R2.
- the outdoor unit 10 may include a blowing fan 16 configured to form an airflow.
- a blowing fan 16 configured to form an airflow.
- suction force may be generated, and air flows into the cabinet 100 through the inlet 110a, passes through the heat exchanger 11, and exits the cabinet 100 through the outlet 120b. can be discharged as
- the blowing fan 16 may be placed inside the cabinet 100.
- the blowing fan 16 may be placed in the heat exchange room (R1).
- the blowing fan 16 may be disposed between the inlet 110a and the outlet 120b.
- the blowing fan 16 may be disposed between the inlet 110a and the heat exchanger 11.
- blowing fan 16 When the blowing fan 16 rotates, air may flow from the front of the blowing fan 16 toward the rear of the blowing fan 16.
- the outdoor unit 10 may include a motor bracket 18 that supports the blowing fan 16.
- the motor bracket 18 may support a fan motor (not shown).
- the motor bracket 18 can support the blowing fan 200 from the rear.
- the motor bracket 18 may be placed inside the cabinet 100.
- the motor bracket 18 may be placed in the heat exchange chamber (R1).
- the motor bracket 18 may be disposed between the inlet 110a and the heat exchanger 11.
- the motor bracket 18 may be supported by the cabinet 100. As an example, the motor bracket 18 may be fixed to the base 140. As an example, the motor bracket 18 may be fixed to the front panel 110.
- the outdoor unit may include electrical equipment 13 and electrical equipment rooms 230 and 240 that accommodate the electrical equipment 13.
- the electrical equipment 13 can control the components of the outdoor unit.
- the electrical equipment 13 can control the operation of the heat exchanger 11, the compressor 12, and the blowing fan 16.
- the electrical equipment 13 may include a first electrical equipment 13a and a second electrical equipment 13b.
- the first electrical component 13a may be placed on the front side within the cabinet 100, and the second electrical component 13b may be placed on the side within the cabinet 100.
- the electrical equipment room (230, 240) may be provided on one side of the machine room (R2).
- the electrical equipment rooms 230 and 240 may be placed on components such as the compressor 12 within the cabinet 100.
- the locations of the battlefield rooms 230 and 240 are not limited to the above examples.
- the electrical equipment rooms 230 and 240 may include a first electrical equipment room 230 located on the front side of the cabinet 100 and a second electrical equipment room 240 provided on the side.
- a first electrical equipment 13a may be accommodated in the first electrical equipment room 230
- a second electrical equipment 13b may be accommodated in the second electrical equipment room 240.
- the outdoor unit 10 may include electrical equipment cases 210 and 220.
- the battlefield cases 210 and 220 may further include a first case 210 and a second case 220.
- the first case 210 may form the first electrical equipment compartment 230, and the second case 220 may form the second electrical equipment room 240.
- the first case 210 may be placed on the front side within the cabinet 100, and the second case 220 may be placed on the side.
- the first case 210 and the second case 220 may be placed on components such as the compressor 12.
- the positions of the first case 210 and the second case 220 are not limited to the above examples.
- the first case 210 and the second case 220 may be combined with each other.
- the first case 210 and the second case 220 may be screw coupled.
- the outdoor unit 10 may include case covers 250 and 260.
- the case covers 250 and 260 may further include a first cover 250 and a second cover 260.
- the first cover 250 may be coupled to the front of the first case 210, and the second cover 260 may be coupled to the side of the second case 220.
- the first cover 250 can open and close the first case 210, and the second cover 260 can open and close the second case 220.
- the first cover 250 can cover the first electrical equipment compartment 230, and the second cover 260 can cover the second electrical equipment compartment 240.
- the outdoor unit 10 may further include a guide 300, a duct 170, and a hose 190.
- Guide 300 may be placed below the cases 210 and 220.
- the guide 300 may guide the wire 50 disposed in the machine room R2 (see FIGS. 8 and 9).
- Guide 300 may be referred to as a wire guide 300.
- the guide 300 may be formed by injection molding. Details about the guide 300 will be described later.
- the duct 170 may be disposed between the first case 210 and the second case 220.
- the duct 170 may be placed at the rear of the first case 210.
- the duct 170 may communicate with the heat exchange room (R1) and the electrical equipment rooms (230, 240).
- Duct 170 may be referred to as guide duct 170.
- the hose 190 may be connected to the second case 220.
- the hose 190 may be placed below the second case 220.
- the hose 190 may guide the refrigerant to flow from the second electrical room 240 to the outside of the cabinet 100.
- the hose 190 can discharge the refrigerant in the electrical equipment rooms 230 and 240 to the outside of the cabinet 100.
- Hose 190 may be referred to as discharge hose 190.
- Figure 5 is a perspective view of a portion of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 6 is an exploded perspective view of a portion of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- the outdoor unit 10 forms electrical equipment rooms 230 and 240 that accommodate electrical equipment 13a and 13b, and has openings 210a and 220a on the first side.
- the branch may include a battlefield case (210, 220).
- the outdoor unit 10 includes a case cover 250 disposed on the first side of the electrical equipment case 210 and 220 to cover the openings 210a and 220a of the electrical equipment case 210 and 220. , 260).
- the battlefield cases 210 and 220 may include a first case 210 and a second case 220. Additionally, the case covers 250 and 260 may include a first cover 250 and a second cover 260.
- the outdoor unit 10 includes a first case 210, a first opening 210a, a first wire hole 211a, a first sealing member 214, and a first cover 250. It can be included.
- the first case 210 may form the first electrical equipment compartment 230.
- a first electrical component 13a may be placed inside the first case 210.
- an electrical box 280 that accommodates the first electrical component 13a may be disposed inside the first case 210.
- the electronic box 280 may be accommodated inside the first case 210 .
- the first case 210 may be disposed in front of the heat exchange fin 180, the heat transfer member 181, and the guide duct 170. Additionally, the first case 210 may be placed on the side of the second case 220 and the second cover 260. However, the arrangement of the first case 210 is not limited to the above example.
- a first wire hole 211a may be formed in the first case 210.
- the first wire hole 211a may be formed in the first wall 211 of the first case 210.
- the first wire hole 211a may be formed in the side wall 211 of the first case 210 along the Y direction.
- the first wire hole 211a may be formed to allow the wire 50 connected to the first electrical component 13a to pass through.
- the wire 50 can connect outdoor unit components such as the compressor 12 and the heat exchanger 11 and the electrical equipment 13.
- the formation position of the first wire hole 211a of the first case 210 is not limited to the above example, and may be formed at various positions to connect the first electrical component 13a and the wire 50.
- the first case 210 may have an opening 210a.
- the opening 210a of the first case 210 may be the first opening 210a.
- the first opening 210a may be formed on the first side of the first case 210.
- the first side of the first case 210 may be the front.
- the first opening 210a can be opened and closed by the first cover 250.
- the first electrical component 13a may be inserted into or extracted from the first case 210 through the first opening 210a.
- a first sealing member 214 may be located in the first wire hole 211a.
- the first sealing member 214 can prevent unnecessary fluids and dust from flowing into the first electrical equipment compartment 230.
- the first sealing member 214 may be coupled to the first case 210.
- the outdoor unit of the air conditioner may include a first duct hole 213 in the second wall 212 of the first case 210 (see FIG. 12).
- the first cover 250 may be placed on the first side of the first case 210.
- the first cover 250 may be coupled to the front of the first case 210.
- the first cover 250 can allow the first case 210 to be opened and closed.
- the first cover 250 can cover the front of the first case 210 to protect the electrical box 280 and the first electrical equipment 13a.
- the first cover 250 may include a cover portion 251 and a bent portion 252.
- the cover portion 251 may extend laterally to cover the first electrical equipment compartment 230.
- the bent portion 252 may be bent backward from one end along the lateral direction of the cover portion 251.
- the bent portion 252 may allow the first cover 250 and the second cover 260 to be fastened together.
- the outdoor unit 10 includes a second case 220, a second opening 220a, a second wire hole 221a, a hose hole 222a, a second sealing member 225, and a second sealing member 225. It may include 2 covers (260).
- the second case 220 may form the second electrical compartment 240.
- a second electrical component 13b may be placed inside the second case 220.
- a second wire hole 221a may be formed in the second case 220.
- the second wire hole 221a may be formed in the first wall 221 of the second case 220.
- the second wire hole 221a may be formed in the front wall 221 of the second case 220 along the X direction.
- the second wire hole 221a may be formed to allow the wire 50 connected to the second electrical component 13b to pass through.
- the wire 50 can connect outdoor unit components such as the compressor 12 and the heat exchanger 11 and the electrical equipment 13.
- the formation position of the second wire hole 221a of the second case 220 is not limited to the above example, and can be formed at various positions to connect the first electrical component 13a and the wire 50.
- the second case 220 may have an opening 220a.
- the opening 220a of the second case 220 may be the second opening 220a.
- the second opening 220a may be formed on the first side of the second case 220.
- the first side of the second case 220 may be the side.
- the second opening 220a can be opened and closed by the second cover 260.
- the second electrical component 13b may be inserted into or extracted from the second case 220 through the second opening 220a.
- a second sealing member 225 may be located in the second wire hole 221a.
- the second sealing member 225 can prevent unnecessary fluids and dust from flowing into the second electrical compartment 240.
- the second sealing member 225 may be coupled to the second case 220.
- the hose hole 222a is connected to the discharge hose 190 to allow the refrigerant in the electrical equipment rooms 230 and 240 to flow to the outside of the cabinet 100.
- the hose hole 222a may be connected to the second discharge hole 121a formed in the rear panel 121 of the cabinet 100 through the discharge hose 190.
- the hose hole 222a may be formed in the bottom 222 of the second case 220.
- the formation position of the hose hole 222a is not limited to the above example.
- Hose hole 222a may be referred to as discharge hole 222a.
- the hose hole 222a may be referred to as the fifth discharge hole 222a.
- a second duct hole 224 may be formed in the second wall 223 of the second case 220 (see FIG. 13).
- the second cover 260 may be placed on the first side of the second case 220.
- the second cover 260 may be coupled to the side of the second case 220.
- the second cover 260 can open and close the second case 220.
- the second cover 260 can cover the side of the second case 220 to protect the second electrical equipment 13b.
- the second cover 260 may include a cover portion 261 and a fastening portion 262.
- the cover portion 261 of the second cover 260 may cover the second opening 220a.
- the fastening part 262 is provided at the front end of the second cover 260 to allow the first cover 250 and the second cover 260 to be fastened.
- a screw (not shown) may be fastened to the fastening portion 262.
- the outdoor unit 10 may include sealing members 271, 272, and 273 disposed between the electrical equipment cases 210 and 220 and the case covers 250 and 260.
- the sealing members 271, 272, and 273 include a first sealing member 271 that seals between the first case 210 and the first cover 250, a second case 220, and a second cover 260. It may include a second sealing member 272 that seals and a third sealing member 273 that seals the electrical box 280 and the heat transfer member 181.
- the first sealing member 271 may be disposed between the first case 210 and the first cover 250 in the front-back direction.
- the first sealing member 271 may be disposed around the first opening 210a.
- the second sealing member 272 may be disposed between the second case 220 and the second cover 260 in the front-back direction.
- the second sealing member 272 may be disposed around the second opening 220a.
- the third sealing member 273 is disposed around the heat transfer member 181 to seal between the electrical box 280 and the heat transfer member 181.
- the outdoor unit 10 is connected to the heat exchange room (R1) and may include a duct 170 disposed on the second side of the electrical equipment case (210, 220).
- Duct 170 may be referred to as guide duct 170.
- the guide duct 170 may be disposed on the second side of each of the first case 210 and the second case 220.
- the guide duct 170 may be disposed behind the first case 210 and on the side of the second case 220.
- the guide duct 170 may be disposed between the first case 210 and the second case 220.
- the guide duct 170 may communicate with the heat exchange room (R1) and the electrical equipment rooms (230, 240).
- the guide duct 170 may form a receiving space 170a and an internal flow path 171.
- the receiving space 170a can accommodate the heat exchange fin 180 and the heat transfer member 181.
- the receiving space 170a may be located inside the internal flow path 171.
- the accommodation space 170a may become part of the cooling passage 172.
- the accommodation space 170a may be connected to the machine room R2.
- the cooling passage 172 may be connected to the heat exchange room (R1) and the machine room (R2).
- the cooling passage 172 allows air to flow past the heat exchange fin 180 and out of the cabinet 100, allowing heat generated from the electrical equipment 13 to be discharged to the outside of the cabinet 100.
- the guide duct 170 may include a communication port 175.
- the communication port 175 may allow air in the guide duct 170 to flow into the first electrical equipment room 230 or allow air to flow from the first electrical equipment room 230 to the guidance duct 170.
- the communication port 175 may protrude toward the front.
- the communication port 175 may be inserted into the first case 210.
- the communication port 175 may be formed to correspond to the first duct hole 213 formed in the first case 210.
- the communication port 175 may be inserted into the first duct hole 213.
- a plurality of communication ports 175 may be provided.
- the plurality of communication ports 175 may include a first communication port (175a), a second communication port (175b), and a third communication port (175c).
- the first communication port 175a is provided at the upper right of the guide duct 170
- the second communication port 175b is provided at the upper left of the guide duct 170
- the third communication port 175c is provided at the upper right of the guide duct 170. It may be provided at the bottom left at (170).
- the outdoor unit 10 may further include heat exchange fins 180, a heat transfer member 181, and a third sealing member 273.
- the heat exchange fin 180 and the heat transfer member 181 may be coupled to each other.
- the heat exchange fin 180 and the heat transfer member 181 may be accommodated in the receiving space 170a of the guide duct 170.
- the heat exchange fin 180 and the heat transfer member 181 may be mounted on the first case 210 and the electrical box 280.
- the heat transfer member 181 may contact the electrical box 280 to receive heat generated from the first electrical component 13a and transfer it to the heat exchange fin 180.
- the heat exchange fin 180 may exchange heat with the air on the cooling passage 172 and allow heat generated from the first electrical component 13a to be discharged to the outside of the cabinet 100.
- An electrical box 280 may be disposed around the heat transfer member 181 (181a).
- the heat transfer member 181 may be fitted into the electrical box 280 (see FIG. 12).
- the third sealing member 273 may be disposed between the heat transfer member 181 and the electrical box 280.
- the third sealing member 273 may be disposed around the periphery 181a of the heat transfer member 181 (see FIG. 12).
- the outdoor unit 10 is formed on the second side of the electrical equipment case 210, 220 to connect the electrical equipment case 210, 220 and the duct 170. It may include duct holes 213 and 224.
- Air within the electrical equipment rooms 230 and 240 may flow to the outside of the cabinet 100 through the duct holes 213 and 224.
- Figure 7 is an enlarged perspective view of a portion of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- FIG. 8 is a perspective view showing a portion of the cabinet removed from the outdoor unit shown in FIG. 7.
- Figure 9 is a cross-sectional view of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 9 is a cross-sectional view taken along line A-A' of the outdoor unit of Figure 2.
- the outdoor unit 10 may include a first discharge hole 113 provided in the front panel 110.
- the first discharge hole 113 may be formed in the second panel portion 112 of the front panel 110 corresponding to the machine room R2.
- the first discharge hole 113 may be formed from the middle height of the second panel portion 112 to the bottom.
- the formation location of the first discharge hole 113 is not limited to the above example, and as described later, if the refrigerant in the machine room (R2) can be smoothly discharged, it may be formed on the side panel 130 and/or the rear panel 121. It is also possible to become
- the first discharge hole 113 may include a first part 113a and a second part 113b.
- the first part 113a is disposed above the second part 113b and is formed on the protrusion 114.
- the second part 113b is disposed below the first part 113a.
- the front panel 110 may include an inclined portion 116 and a protruding portion 114.
- the inclined portion 116 may protrude from the second panel portion 112 toward the protruding portion 114 .
- the protrusion 114 may protrude forward corresponding to the shape of the guide 300, which will be described later.
- the protrusion 114 may have a step difference from the second panel portion 112.
- a first portion 113a of the first discharge hole 113 may be formed in the protrusion 114.
- protrusion holes 114a may be formed on the sides of the protrusion 114 and the inclined portion 116.
- the protrusion hole 114a may be covered by the guide 300.
- the protrusion hole 114a may be covered by the panel portion 320 of the guide 300.
- a wire 50 may be disposed to electrically connect various components of the outdoor unit, such as the compressor 12 and the heat exchanger 11, and the electrical equipment 13.
- the wire 50 may be placed in the machine room R2 and inserted into the first electrical equipment room 230 and the second electrical equipment room 240 through the guide 300.
- the wires 50 may be guided to the electrical equipment rooms 230 and 240 through the guide 300 after tying several bundles of wires 50 at the front side from the lower part of the machine room R2.
- the wire 50 may be inserted into the first electrical equipment compartment 230 through the first wire hole 211a of the first case 210 and connected to the first electrical equipment 13a. Additionally, the wire 50 may be inserted into the second electrical equipment compartment 240 through the second wire hole 221a of the second case 220 and connected to the second electrical equipment 13b.
- the guide 300 is disposed below the first case 210 and the second case 220 and can guide the wire 50 led to the electrical equipment compartments 230 and 240.
- the guide is disposed adjacent to the front panel 110 and can guide the refrigerant so that the refrigerant is discharged through the first discharge hole 113 formed in the front panel 110.
- the guide 300 may be disposed ahead of the second case 220 to guide the refrigerant and the wire 50.
- Guide 300 may be referred to as a refrigerant guide 300.
- the guide 300 may be detachably coupled within the cabinet 100.
- the guide 300 guides the wire 50 and, when refrigerant accumulates in the cabinet 100, discharges it to the outside of the cabinet 100 to prevent the risk of explosion or fire in the outdoor unit 10.
- the outdoor unit may further include a blocking member 400.
- the blocking member 400 may be disposed between the guide 300 and the front panel 110.
- the blocking member 400 may be disposed between the protrusion 340 of the guide 300 and the protrusion 114 of the front panel 110.
- the blocking member 400 can block the refrigerant (R) that accumulates in the lower part of the machine room (R2) and gradually rises upward.
- the blocking member 400 may be made of an elastic material to allow the wire 50 to pass through.
- the blocking member 400 may include a sponge.
- the blocking member 400 may be referred to as an elastic member 400.
- a refrigerant pipe 40 connecting the compressor 12, the heat exchanger 11, the expander, etc. may be disposed in the machine room R2. Leakage of refrigerant may occur from a joint portion of the refrigerant pipe 40 with the compressor 12, heat exchanger 11, and expander, a welded portion of the refrigerant pipe 40, and/or the refrigerant pipe 40 itself. If the refrigerant leaks, the leaked refrigerant may accumulate in the cabinet 100 or the machine room (R2). For example, in the case of R290, a refrigerant heavier than air, the refrigerant may accumulate in the cabinet 100 or the machine room (R2).
- the refrigerant may flow to the electrical equipment rooms 230 and 240 located at the upper part of the cabinet 100. If the refrigerant flows to the electrical equipment rooms 230 and 240, it may react with sparks that occasionally occur in the electrical equipment 13 due to the reactivity of the refrigerant, causing a fire or explosion. Therefore, before the refrigerant accumulates and flows into the electrical equipment rooms 230 and 240, it must be discharged to the outside of the cabinet 100.
- the refrigerant is supplied to the wire 50 through the first case 210 and the second case. It may flow into the electrical equipment compartments 230 and 240 through the first wire hole 211a and the second wire hole 221a inserted into (220). Although the inflow of refrigerant into the electrical equipment compartments 230 and 240 through the above-described sealing members 214 and 225 may be partially reduced, the refrigerant is nevertheless a fluid, so it can flow into the electrical equipment compartments 230 and 240.
- the outdoor unit 10 discharges the refrigerant out of the cabinet 100 through the discharge holes 113, 121a, 121b, and 132a before the refrigerant accumulates and flows into the electrical equipment room 230, 240.
- the outdoor unit 10 includes a plurality of discharge holes 113, 121a, 121b, and 132a provided in the lower part of the cabinet 100, so the refrigerant is discharged into the machine room R2. It can be discharged to the outside of the cabinet 100 without being accumulated.
- the refrigerant (R) accumulated at the bottom of the machine room (R2) may gradually fill up.
- the refrigerant R in the machine room R2 may flow to the outside of the cabinet 100 through the first discharge hole 113 formed in the front panel 110.
- the guide 300 since the guide 300 has a shape that protrudes forward, the refrigerant (i.e., the refrigerant (R) flowing upward) heading toward the electrical equipment compartment (230, 240) is moved by the guide (300). It can be guided to the outside of the front panel 110 from the space 115 between the protrusion 340 (see FIG. 10) and the front panel 110.
- the refrigerant (R) flowing out of the cabinet 100 beyond the front panel 110 by the guide 300 passes through the space 94 between the front panel 110 and the front cover 90 and reaches the front cover 90. It can be completely discharged from the outdoor unit 10 through the cover hole 93 formed in the lower part of the . Therefore, the refrigerant (R) can be discharged to the outside of the cabinet 100 through the first discharge hole 113 before it accumulates in the machine room (R2) and flows to the electrical equipment room (230, 240), thereby causing a fire in the outdoor unit (10). And the risk of explosion can be reduced.
- a first discharge hole 113, a space 115 between the guide 300 and the front panel 110, a space 94 between the front panel 110 and the front cover 90, and a cover hole 93 are formed.
- the flow path may be referred to as the discharge flow path.
- the discharge flow path may be referred to as a first discharge flow path.
- the formation position of the cover hole 93 is not limited to the above examples. Additionally, as long as the refrigerant R in the machine room R2 can be smoothly discharged to the outside of the cabinet 100, the shape of the guide 300 is not limited to that shown.
- the refrigerant (R) discharged is large, even if the refrigerant (R) flows to the electrical equipment rooms (230, 240), the refrigerant (R) present inside the electrical equipment rooms (230, 240) through the guide duct 170 and hose 190 The refrigerant (R) can be discharged to the outside of the cabinet 100. Details on this will be described later.
- Figure 10 is a perspective view of a guide in an outdoor unit according to an embodiment of the present disclosure.
- the guide 300 may guide the wire 50 that is guided to the electrical equipment rooms 230 and 240.
- the guide 300 may be detachably coupled within the cabinet 100.
- the guide 300 guides the wire 50 and at the same time, if refrigerant accumulates in the machine room (R2), it can be discharged to the outside of the cabinet 100 to prevent the risk of explosion or fire.
- the guide 300 may include a base 310, a panel portion 320, a receiving portion 330, and a protrusion 340.
- Base 310 may extend in the vertical direction.
- the panel portion 320 may be provided as a pair.
- a pair of panel parts 320 may be provided on both sides of the base 310 to form a receiving part 330 between them.
- the wire 50 may be accommodated in the receiving portion 330.
- the protrusion 340 may protrude from the base 310 in one direction.
- the protrusion 340 may protrude forward from the base 310.
- the protrusion 340 may guide the flow of refrigerant so that the refrigerant is discharged into the first discharge hole 113.
- the protrusion 340 may be formed in the middle portion of the base 310.
- the shape of the guide 300 is not limited to the above examples.
- the guide 300 may not have a protrusion 340 and may be formed in a shape that extends only in the vertical direction.
- a fastening hole 301 may be provided in the guide 300.
- a plurality of fastening holes 301 may be provided.
- the fastening hole 301 may be provided in the base 310 and the panel portion 320.
- the fastening hole 301 allows the guide 300 to be mounted on the cabinet 100.
- the location of the fastening hole 301 is not limited to the above example.
- Figure 11 is a perspective view of a partial configuration of an outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- Figure 12 is a cross-sectional view of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- FIG. 12 is a cross-sectional view taken along line B-B' of the outdoor unit of FIG. 2.
- Figure 13 is a cross-sectional view of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- FIG. 13 is a cross-sectional view taken along line C-C' of the outdoor unit of FIG. 2.
- the refrigerant R accumulated at the bottom of the machine room R2 in the outdoor unit 10 may gradually fill up.
- the refrigerant in the machine room (R2) can flow to the outside of the cabinet 100 through the discharge holes 113, 121a, 121b, and 132a formed in the cabinet 100, but the amount of refrigerant discharged is large or the discharge hole is The discharge of refrigerant through may not be smooth.
- the refrigerant may flow to the electrical equipment compartments 230 and 240, and the refrigerant may exist within the electronic equipment compartments 230 and 240.
- refrigerant may exist in the electrical equipment compartments 230 and 240 for other reasons.
- the outdoor unit 10 may discharge refrigerant to the outside of the cabinet 100 through the guide duct 170 and the discharge hose 190.
- the discharge hose 190 may be connected to the second case 220.
- the discharge hose 190 may be connected to the bottom 222 and the rear panel 121 of the second case 220.
- the discharge hose 190 may be disposed between the second case 220 and the rear panel 121.
- the discharge hose 190 may be disposed below the second case 220 and in front of the rear panel 121.
- the discharge hose 190 may be connected to each of the second case 220 and the rear panel 121.
- the discharge hose 190 may guide the refrigerant flowing from the first electrical equipment room 230 to the second electrical equipment room 240 so that the refrigerant flows from the second electrical equipment room 240 to the outside of the cabinet 100.
- the discharge hose 190 can discharge the refrigerant in the electrical equipment rooms 230 and 240 to the outside of the cabinet 100.
- the means for connecting the second case 220 and the rear panel 121 to discharge the refrigerant from the second electrical compartment 240 to the cabinet 100 is not limited to the hose 190.
- the discharge hose 190 can be replaced with a discharge pipe, or can be replaced with various things as long as it can connect the second electrical room 240 to the outside of the cabinet 100.
- Discharge hose 190 may be referred to as an exhaust device.
- the hose hole 222a is connected to the discharge hose 190 to allow the refrigerant in the electrical equipment rooms 230 and 240 to flow to the outside of the cabinet 100.
- the hose hole 222a may be connected to the second discharge hole 121a formed in the rear panel 121 of the cabinet 100 through the discharge hose 190.
- the hose hole 222a may be formed at the bottom of the second case 220. The formation position of the hose hole 222a is not limited to the above example.
- the first electrical equipment room 230 may communicate with the guide duct 170 through the first duct hole 213.
- the first duct hole 213 allows air and/or refrigerant to flow from the internal flow path formed in the guide duct 170 into the first electrical equipment compartment 230, or from the first electrical equipment compartment 230 to the guide duct 170. Air and/or refrigerant may flow through the formed internal flow path.
- the first duct hole 213 may be formed in the second wall 212 of the first case 210.
- the first duct hole 213 may be formed in the rear wall 212 of the first case 210.
- a plurality of first duct holes 213 may be provided.
- the first duct hole 213 may be formed at the upper and lower portions of the rear wall 212 of the first case 210, respectively.
- the communication port 175 of the guide duct 170 may be inserted into the first duct hole 213.
- the first duct hole 213 may be formed to correspond to the guide duct 170.
- Holes may also be formed in the electrical box 280 to correspond to the first duct hole 213 and the communication port 175.
- the second electronic room 240 may communicate with the guide duct 170 through the second duct hole 224.
- the second duct hole 224 allows air and/or refrigerant to flow from the internal flow path formed in the guide duct 170 into the second electrical compartment 240, or is an internal channel formed in the guide duct from the second electrical compartment 240. Air and/or refrigerant can flow through the flow path.
- the second duct hole 224 may be formed in the second wall 223 of the second case 220.
- the second duct hole 224 may be formed in the side wall 223 of the second case 220.
- a plurality of second duct holes 224 may be provided.
- the second duct hole 224 may be formed at the upper and lower portions of the side wall 223 of the second case 220, respectively.
- the second duct hole 224 may be connected to the internal flow path 171.
- the guide duct 170 may be connected to the heat exchange chamber R1 through a connector 176 formed at one end along the left and right directions.
- the connector 176 may be connected to the heat exchange chamber (R1) where the blowing fan 16 is disposed to allow air to flow into the guide duct 170.
- An internal flow path 171 and a cooling flow path 172 may be formed within the guide duct 170.
- the guide duct 170 may include a partition wall 174 to separate the internal flow path 171 and the cooling flow path 172.
- the partition wall 174 may extend in the vertical and left-right directions, respectively.
- the internal flow path 171 may be connected to the heat exchange chamber (R1) (see FIGS. 4 and 17).
- the internal flow path 171 may be a path through which air flows from the heat exchange room (R1) to the electrical equipment rooms (230, 240).
- the internal flow path 171 may be formed on the top and side of the cooling flow path 172.
- the internal flow path 171 may be connected to the first electrical equipment room 230 through the first duct hole 213 and may be connected to the second electrical equipment room 240 through the second duct hole 224. Air can freely flow through the heat exchange room (R1), the first duct hole 213, the second duct hole 224, and the electrical equipment rooms 230 and 240 through the internal flow path 171.
- the air and/or refrigerant in the electrical equipment compartments 230 and 240 flows through the guide duct 170. ) may flow to the outside of the cabinet 100, through the internal flow path 171, through the drain hose 190.
- the air and/or refrigerant in the electrical equipment compartments 230 and 240 flows through the guide duct 170. It may flow into the heat exchange chamber (R1) through the internal flow path 171. The refrigerant flowing into the heat exchange chamber (R1) may flow to the outside of the cabinet 100 through the outlet (120b).
- the flow path formed by the internal flow path 171, the first duct hole 213, the first electrical room 230, the second duct hole 224, the second electrical room 240, and the discharge hose 190 is the discharge passage. It may be referred to as .
- the discharge flow path may be referred to as a second discharge flow path.
- the cooling passage 172 may be provided inside the internal passage 171.
- the cooling passage 172 may be provided to cool the heat transfer member 181 and the heat exchange fin 180 that receive heat from the electrical component 13. Air flowing from the machine room (R2) to the heat exchange room (R1) or air flowing from the heat exchange room (R1) to the machine room (R2) may pass through the cooling passage 172.
- a cooling passage 172 may be provided between the air flow path of the machine room (R2) and the heat exchange room (R1).
- the first case 210 may include a front case portion 215.
- the front case portion 215 may be disposed in the front portion of the first case 210.
- the front case portion 215 may be in contact with the electrical box 280.
- the front case portion 215 may include a first portion 215a extending forward and a second portion 215b extending from one end of the first portion 215a to the outside of the first case 210. (See Figure 14).
- the outdoor unit 10 may further include sealing members 271, 272, and 273.
- the sealing members 271 and 272 seal the first sealing member 271, which seals between the first case 210 and the first cover 250, and the second case 220 and the second cover 260. It may include a second sealing member 272 and a third sealing member 273 that seals the electrical box 280 and the heat transfer member 181.
- the first sealing member 271 may be disposed between the first case 210 and the first cover 250 in the front-back direction.
- the first sealing member 271 may be disposed between the front case portion 215 and the first cover 250.
- the first sealing member 271 may be disposed on the periphery of the first cover 250.
- the second sealing member 272 may be disposed between the second case 220 and the second cover 260 in the front-back direction.
- the second sealing member 272 may be disposed on the periphery of the first cover 250.
- the third sealing member 273 is disposed around the heat transfer member 181 to seal between the electrical box 280 and the heat transfer member 181.
- the third sealing member 273 can prevent refrigerant from leaking toward the heat transfer fins 180 when refrigerant is present in the electrical equipment compartment 230. Additionally, the third sealing member 273 can prevent refrigerant from flowing into the first electrical compartment 230 from the cooling passage 172 side.
- FIG. 14 is a partially enlarged view of the outdoor unit shown in FIG. 12.
- FIG. 15 is an enlarged view of a portion of the outdoor unit shown in FIG. 13.
- FIG. 14 is an enlarged view of area 'A' of FIG. 12.
- FIG. 15 is an enlarged view of area 'B' of FIG. 13.
- the sealing members 271 and 272 include first sealing parts 271a and 272a, second sealing parts 271b and 272b, and third sealing parts 271b and 272b. It may include sealing parts (271c, 272c) and fourth sealing parts (271d, 272d).
- the first sealing portions 271a and 272a may extend in the vertical direction between the electronic room cases 210 and 220 and the case covers 250 and 260.
- the first sealing portions 271a and 272a may be disposed between the covers 250 and 260 on the first side of the cases 210 and 220.
- the first sealing portions 271a and 272a may seal the space between the cases 210 and 220 and the covers 250 and 260 on the first side of the cases 210 and 220. .
- a portion of the first sealing portions 271a and 272a disposed in the area where the cases 210 and 220 and the covers 250 and 260 are combined are It may be thinner than a portion of the first sealing portions 271a and 272a that are not disposed in the area where the cases 210 and 220 and the covers 250 and 260 are coupled. For example, a portion of the first sealing portions 271a and 272a disposed in the area where the cases 210 and 220 and the covers 250 and 260 are coupled may be compressed.
- the second sealing portions 271b and 272b may be disposed between the electronic room cases 210 and 220 and the case covers 250 and 260 in the vertical direction.
- the second sealing portions 271b and 272b can seal the space between the electronic room cases 210 and 220 and the case covers 250 and 260 in the vertical direction.
- the second sealing portions 271b and 272b may extend in a direction perpendicular to the vertical direction.
- the second sealing portions 271b and 272b may extend from the first sealing portions 271a and 272a toward the electrical equipment compartments 230 and 240.
- the third sealing portions 271c and 272c may extend in the vertical direction between the electrical equipment cases 210 and 220 and the case covers 250 and 260.
- the third sealing portions 271c and 272c may be disposed between the cases 210 and 220 and the covers 250 and 260 in the vertical direction.
- the third sealing portions 271c and 272c may seal the space of the cases 210 and 220 and the covers 250 and 260 in the vertical direction.
- the third sealing portions 271c and 272c are disposed between the inner wall of the case and the first protrusion of the covers 250 and 260. You can.
- the fourth sealing portions 271d and 272d may extend from the second sealing portions 271b and 272b toward the inner walls of the electrical equipment cases 210 and 220.
- the inner wall of the electrical equipment case (210, 220) may be an inner wall forming the electrical equipment room (230, 240).
- the fourth sealing portions 271d and 272d may have a protrusion shape.
- the fourth sealing portions 271d and 272d may be provided in plural numbers.
- the fourth sealing portions 271d and 272d can seal the space of the cases 210 and 220 and the covers 250 and 260 in the vertical direction.
- the covers 250 and 260 may include first protrusions 253 and 263 and second protrusions 254 and 264.
- the first protrusions 253 and 263 may protrude from the cover portions 251 and 261 toward the inside of the electrical equipment compartments 230 and 240.
- the first protrusions 253 and 263 may be formed on the peripheral side of the cover portions 251 and 261.
- the first protrusions 253 and 263 may allow the sealing members 271 and 272 to be disposed between the inner walls of the cases 210 and 220.
- the first protrusions 253 and 263 may guide the positions of the sealing members 271 and 272 between the cases 210 and 220 and the covers 250 and 260.
- the second protrusions (254, 264) are inserted between the first sealing portions (271a, 272a) and the third sealing portions (271c, 272c) so that the sealing members (271, 272) are connected to the cases (210, 220) and the cover (250). , 260).
- the second protrusions 254 and 264 may protrude from the first protrusions 253 and 263 toward the inner walls of the cases 210 and 220.
- a first sealing member 271 may be disposed between the first case 210 and the first cover 250.
- the first sealing member 271 may include a first sealing part 271a, a second sealing part 271b, a third sealing part, and a fourth sealing part.
- the first sealing portion 271a of the first sealing member 271 is disposed between the first case 210 and the first cover 250 in the front-back direction to form a space between the first case 210 and the first cover 250. ) can be sealed along the front and back directions.
- the second sealing portion 271b of the first sealing member 271 may extend from the first sealing portion 271a toward the inside of the first case 210.
- the second sealing portion 271b of the first sealing member 271 may extend toward the first electrical compartment 230.
- the third sealing portion 271c of the first sealing member 271 may extend in the vertical direction between the first case 210 and the first cover 250.
- the third sealing portion 271c of the first sealing member 271 may be disposed between the first case 210 and the first cover 250 in the vertical direction.
- the third sealing portion 271c of the first sealing member 271 may seal the space between the first case 210 and the first cover 250 in the vertical direction.
- the third sealing portion 271c of the first sealing member 271 is connected to the front case portion 215 of the first case 210. ) and the first protrusion 253 of the first cover 250.
- the fourth sealing portion 271d of the first sealing member 271 may extend from the second sealing portion 271b toward the inner wall of the first case 210.
- the fourth sealing portion 271d of the first sealing member 271 may protrude toward the inner wall of the first portion 215a of the front case portion 215.
- the fourth sealing portion 271d can seal the space of the first case 210 and the first cover 250 in the vertical direction.
- the first cover 250 may include a first protrusion 253 and a second protrusion.
- the first protrusion 253 of the first cover 250 may protrude from the cover portion 251 of the first cover 250 toward the inside of the first electrical compartment 230.
- the first protrusion 253 of the first cover 250 may be formed on the peripheral side of the cover portion 251.
- the first protrusion 253 of the first cover 250 may allow the first sealing member 271 to be disposed between the inner wall of the first case 210.
- the first protrusion 253 of the first cover 250 may guide the position of the first sealing member 271 between the first case 210 and the first cover 250.
- the second protrusion 254 of the first cover 250 is inserted between the first sealing part 271a and the third sealing part 271c of the first sealing member 271 to form the first sealing member 271. It can be fixed between one case 210 and the first cover 250.
- the second protrusion 254 may protrude from the first protrusion 253 toward the inner wall of the first case 210.
- the second protrusion 254 may protrude from the first protrusion 253 toward the inner wall of the front case portion 215.
- a second sealing member 272 may be disposed between the second case 220 and the second cover 260.
- the second sealing member 272 may include a first sealing part 272a, a second sealing part 272b, a third sealing part 272c, and a fourth sealing part 272d.
- the first sealing portion 272a of the second sealing member 272 is disposed between the second case 220 and the second cover 260 in the left and right directions to separate the second case 220 and the second cover 260. ) can be sealed along the left and right directions.
- the second sealing portion 272b of the second sealing member 272 may extend from the first sealing portion 272a toward the inside of the second case 220.
- the second sealing portion 272b of the second sealing member 272 may extend toward the second electrical compartment 240.
- the third sealing portion 272c of the second sealing member 272 may extend in the vertical direction between the second case 220 and the second cover 260.
- the third sealing portion 272c of the second sealing member 272 may be disposed between the second case 220 and the second cover 260 in the vertical direction.
- the third sealing portion 272c of the second sealing member 272 may seal the space between the second case 220 and the second cover 260 in the vertical direction.
- the third sealing portion 272c of the second sealing member 272 is connected to the inner walls 222 and 226 of the second case 220. ) and the first protrusion 253 of the first cover 250.
- the fourth sealing portion 272d of the second sealing member 272 may extend and/or protrude from the second sealing portion 272b toward the inner walls 222 and 226 of the second case 220.
- the fourth sealing portion 272d can seal the space of the second case 220 and the second cover 260 in the vertical direction.
- the second cover 260 may include a first protrusion 263 and a second protrusion 264.
- the first protrusion 263 of the second cover 260 may protrude from the cover portion 261 of the second cover 260 toward the inside of the second electrical compartment 240.
- the first protrusion 263 of the second cover 260 may be formed on the peripheral side of the cover portion 261.
- the first protrusion 263 of the second cover 260 may allow the second sealing member 272 to be disposed between the inner walls 222 and 226 of the second case 220.
- the first protrusion 263 of the second cover 260 may guide the position of the second sealing member 272 between the second case 220 and the second cover 260.
- the second protrusion 264 of the second cover 260 is inserted between the first sealing part 272a and the third sealing part 272c of the second sealing member 272 to form the second sealing member 272. It can be fixed between the second case 220 and the second cover 260.
- the second protrusion 264 of the second cover 260 may protrude from the first protrusion 263 of the second cover 260 toward the inner walls 222 and 226 of the second case 220.
- Figure 16 is a control block diagram of the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- the outdoor unit may further include a refrigerant sensor 600.
- the refrigerant sensor 600 may include a refrigerant pressure sensor and a gas sensor that detects refrigerant pressure.
- the refrigerant sensor 600 is not limited to the above examples and may include various types of sensors.
- the refrigerant sensor 600 can sense whether refrigerant has flowed into the machine room (R2) or the electrical equipment room (230, 240) or whether refrigerant has leaked from the refrigerant pipe (40). When it is determined that refrigerant has flowed into the first electrical equipment room 230 or the second electrical equipment room 240, or when it is determined that refrigerant has leaked from the refrigerant pipe 40, the refrigerant sensor 600 detects refrigerant inflow or refrigerant leakage. Information regarding this can be sent to the controller 500.
- the gas sensor may be placed adjacent to the guide 300 or adjacent to the electrical equipment compartments 230 and 240. Additionally, the pressure sensor among the refrigerant sensors 600 may be placed in the refrigerant pipe connected to the compressor 12. The location of the refrigerant sensor 600 is not limited to the above examples.
- the outdoor unit may further include a controller 500.
- the controller 500 may receive information from the refrigerant sensor 600 regarding whether refrigerant has flowed into the electrical equipment compartments 230 and 240 or whether refrigerant has leaked from the refrigerant pipe 40.
- the controller 500 may operate the blowing fan 16 based on information about refrigerant inflow or refrigerant leakage.
- the controller 500 When the controller 500 receives information about refrigerant flowing into the electrical equipment rooms 230 and 240, it rotates the blower fan 16 in the first or second rotational direction to cool the air inside the electrical equipment rooms 230 and 240.
- the refrigerant can be discharged to the outside of the cabinet 100. The process of discharging refrigerant as the blowing fan 16 rotates is explained in FIGS. 17 to 22.
- the controller 500 receives information about refrigerant flowing into the electrical equipment rooms 230 and 240 and determines that refrigerant exists in the electrical equipment rooms 230 and 240, that is, the refrigerant flows out and enters the electrical equipment. If it is determined that it has flowed into the rooms 230, 240, before the outdoor unit is operated for heat exchange with the outside air, in order to prevent explosion and/or fire due to the reaction between sparks and refrigerant that may occur in the electrical equipment 13.
- the blower fan 16 may be rotated in the first rotation direction (e.g., reverse direction) to discharge the refrigerant in the electrical equipment rooms 230 and 240 to the outside of the cabinet 100.
- the environmentally friendly refrigerant is flammable and/or reactive, so the outdoor unit according to an embodiment of the present disclosure smoothly discharges the refrigerant leaked from the refrigerant pipe 40, etc. even if it enters the electrical equipment room, thereby causing the outdoor unit to explode and/or Or it can prevent fire.
- 17 to 19 are diagrams showing the flow of air in the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- the blowing fan 16 may rotate in the first rotation direction.
- the rotation of the blower fan 16 in the first rotation direction may be the reverse rotation of the blower fan 16 in which the heat exchanger 11 operates.
- the blower fan 16 may be rotated in the reverse direction for a predetermined period of time before the outdoor unit 10 is operated and the blower fan 16 rotates in the forward direction.
- the controller 500 receives information about refrigerant flowing into the electrical equipment rooms 230 and 240 and determines that refrigerant exists in the electrical equipment rooms 230 and 240, that is, the refrigerant flows out and enters the electrical equipment.
- the controller (500) may rotate the blowing fan 16 in the first direction (e.g., reverse direction) to discharge the refrigerant in the electrical equipment rooms 230 and 240 to the outside of the cabinet 100.
- the first direction e.g., reverse direction
- force may be generated from the heat exchange chamber 11 toward the second electrical compartment 240 and the discharge hose 190.
- a pushing force may be generated from the internal passage 171 toward the second electrical compartment 240.
- the refrigerant may flow to the outside of the cabinet 100 through the second discharge passage.
- Air and/or refrigerant within the electrical equipment compartments 230 and 240 may flow toward the discharge hose 190, and air and refrigerant flowing into the discharge hose 190 may flow toward the rear panel 121 through the discharge hose 190, It may be discharged to the outside of the cabinet 100.
- the refrigerant in the first electrical compartment 230 flows through the communication port 175 formed in the guide duct 170 and the first duct hole 213 formed in the first case 210 through the internal flow path 171. ) can flow.
- the air and refrigerant on the upper right side of the first electrical room 230 pass through the first communication port 175a, and the air and refrigerant on the upper left side of the first electrical room 230 pass through the second communication port 175b.
- the air and refrigerant on the lower left side of the first electrical compartment 230 can flow into the internal flow path 171 through the third communication port 175c.
- the air and refrigerant in the first electrical compartment 230 may flow through the internal flow path 171 and into the second duct hole 224 formed in the second wall 223 of the second case 220.
- the air and refrigerant that passed through the second duct hole 224 may flow into the second electrical compartment (240). Additionally, refrigerant is heavier than air, so it can flow downward.
- the refrigerant may flow into the discharge hose 190 through the hose hole 222a formed on the bottom 222 of the second case 220, and the refrigerant flowing into the discharge hose 190 may flow through the hose hole 222a formed on the rear panel 121. It may be discharged to the outside of the cabinet 100 through the second discharge hole 121a (see FIG. 3).
- the refrigerant in the second electrical compartment 240 may also flow to the discharge hose 190 through the hose hole 222a formed in the bottom 222 of the second case 220, and the refrigerant flowing into the discharge hose 190 may be It may be discharged to the outside of the cabinet 100 through the second discharge hole 121a formed in the rear panel 121.
- 20 to 22 are diagrams showing the flow of air in the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- the blowing fan 16 may rotate in the second rotation direction. Rotation of the blower fan 16 in the second rotation direction may be forward rotation of the blower fan 16 in which the heat exchanger 11 operates.
- suction force may be generated from the electrical equipment rooms 230 and 240 toward the heat exchange room R1. Accordingly, air and/or refrigerant within the electrical equipment rooms 230 and 240 may flow toward the heat exchange room R1.
- the refrigerant in the second electrical compartment 240 may flow into the internal flow path 171 through the second duct hole 224 formed in the second wall 223 of the second case 220.
- the refrigerant in the second electrical room 240 may flow toward the heat exchange room (R1) through the internal flow path 171 and the connector 176 and flow to the rear of the cabinet 100 through the outlet 120b (see FIG. 2). .
- the refrigerant in the first electrical compartment 230 also flows into the internal flow path 171 through the communication port 175 formed in the guide duct 170 and the first duct hole 213 formed in the first case 210. It can flow.
- the refrigerant may flow in the direction of the first connector 176 and flow into the internal flow path 171.
- the refrigerant in the first electrical compartment 230 may flow toward the heat exchange room R1 through the internal flow path 171 and the connector 176 and flow to the rear of the cabinet 100 through the outlet 120b.
- the controller 500 receives information about refrigerant flowing into the electrical equipment rooms 230 and 240 and determines that refrigerant exists in the electrical equipment rooms 230 and 240, that is, the refrigerant flows out and enters the electrical equipment. If it is determined that it has flowed into the room (230, 240), in order to prevent explosion and/or fire due to sparks and refrigerant that may occur in the electrical equipment (13), the controller (500) rotates the blowing fan (16) in the second direction. By rotating it in the forward direction (e.g., forward direction), the refrigerant in the electrical equipment compartments 230 and 240 can be discharged to the outside of the cabinet 100.
- the controller rotates the blowing fan (16) in the second direction. By rotating it in the forward direction (e.g., forward direction), the refrigerant in the electrical equipment compartments 230 and 240 can be discharged to the outside of the cabinet 100.
- Figures 23 to 25 are diagrams showing the flow of air in the outdoor unit of an air conditioner according to an embodiment of the present disclosure.
- the blowing fan 16 may be in a state not rotating.
- the refrigerant may flow toward the discharge hose 190 in the electrical equipment compartment.
- the refrigerant is R290, the refrigerant is heavier than air and may flow toward the discharge hose 190.
- the refrigerant in the first electrical compartment 230 is supplied through the first duct hole 213 formed in the lower part of the first case 210 and the third communication port 175c formed in the lower side of the guide duct 170. ) can flow into the internal flow path 171.
- Air and refrigerant in the first electrical compartment 230 may flow through the internal flow path 171 and into the second duct hole 224.
- the refrigerant may flow into the second electrical compartment 240 through the second duct hole 224 formed in the lower part of the side wall 223 of the second case 220 among the second duct holes 224.
- the refrigerant may flow to the discharge hose 190 through the hose hole 222a formed in the bottom 222 of the second case 220, and the refrigerant flowing through the discharge hose 190 may be discharged to the rear panel 121. It can be discharged to the outside of the cabinet 100 through the second discharge hole 121a (see FIG. 3).
- the refrigerant in the second electrical compartment 240 may also flow to the discharge hose 190 through the hose hole 222a formed in the bottom 222 of the second case 220, and the refrigerant flowing into the discharge hose 190 may be It may be discharged to the outside of the cabinet 100 through the second discharge hole 121a formed in the rear panel 121.
- An embodiment of the present disclosure provides an outdoor unit of an air conditioner, where the air conditioner includes a cabinet; a heat exchange chamber formed inside the cabinet; a blowing fan located inside the heat exchange chamber and configured to form an airflow; a heat exchanger located inside the heat exchange chamber and configured to exchange heat with air moved by the blower fan; a guide duct connected to the heat exchange chamber and configured to guide air moved by the blower fan; an electrical equipment room located on one side of the guiding duct, connected to the guiding duct, and accommodating electrical equipment to control the heat exchanger; a duct hole provided in a wall forming the battlefield room to communicate with the interior of the battlefield room and the guide duct; and a discharge hole formed on one wall of the cabinet, configured to discharge refrigerant present in the electrical equipment room to the outside of the cabinet through the guide duct, and communicating the electrical equipment room with the outside of the cabinet, and the blower fan.
- the air moved by flows to the outside of the cabinet through the discharge hole.
- the outdoor unit may further include a discharge hose connecting the electrical equipment room and the discharge hole to allow refrigerant to flow from the electrical equipment room to the discharge hole.
- the refrigerant present in the guide duct and the electrical equipment room may move to the heat exchange chamber, and in response to the blower fan rotating in a direction opposite to the one direction, Refrigerant present in the guide duct and the electrical equipment room may move to the outside of the cabinet through the discharge hose.
- the outdoor unit includes a battle room case that forms the battle room; And it is connected to the discharge hose and may further include a hose hole formed in the bottom of the electrical equipment case.
- An embodiment of the present disclosure provides an air conditioner, the air conditioner comprising: a cabinet including a front panel and a rear panel; A heat exchanger located inside the cabinet; a compressor located inside the cabinet and connected to the heat exchanger; a refrigerant pipe located inside the cabinet and connecting the heat exchanger and the compressor; an electrical equipment room provided inside the cabinet and accommodating electrical equipment that controls the compressor; a first discharge hole formed in the front panel below the electrical equipment room, communicating with the inside of the cabinet and the outside of the cabinet, and discharging refrigerant leaking from the refrigerant pipe to the outside of the cabinet; a guide located below the electrical compartment, protruding toward the front panel and including a protrusion that guides the refrigerant to the first discharge hole; and a second discharge hole formed in the rear panel, communicating with the electrical equipment room and the outside of the cabinet, and configured to discharge refrigerant flowing into the electrical equipment room to the outside of the cabinet.
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Abstract
Description
Claims (15)
- 캐비닛;상기 캐비닛 내에, 열교환기를 수용하는 열교환실;상기 열교환실의 일측의 전장실 케이스로서, 상기 전장실 케이스의 제1측의 개구를 포함하는 제1전장실 케이스;상기 제1전장실 케이스의 내측의 제1전장실;상기 제1전장실 내의 제1전장품;상기 제1전장실 케이스의 상기 개구를 커버하도록 구성되는 제1케이스 커버;상기 제1전장실 케이스와 상기 제1케이스 커버의 사이의 밀폐 부재;상기 제1전장실 케이스의 제2측에, 상기 열교환실과 연결되는 덕트; 및상기 제1전장실 케이스의 제2측에, 상기 제1전장실 케이스와 상기 덕트를 연결시키는 제1덕트 홀;을 포함하고,상기 제1전장실 케이스 및 상기 덕트는, 상기 냉매가 상기 제1덕트 홀을 통하고, 상기 덕트를 통해 상기 캐비닛의 외부로 흐르는 공기조화기의 실외기.
- 제1항에 있어서,상기 제1전장실 케이스와 상기 캐비닛을 연결시키는 배출 호스로서, 상기 전장실로부터 상기 배출 호스를 통해 상기 캐비닛의 외부로 상기 제1전장실 케이스 내의 냉매가 흐르는 배출 호스;를 더 포함하는 공기조화기의 실외기.
- 제2항에 있어서,공기를 이동시키도록 상기 열교환실 내의 송풍팬;을 더 포함하고,상기 송풍팬이 제1회전 방향으로 회전하는 것에 응답하여, 상기 제1전장실 내의 냉매는 상기 배출 호스를 통해 상기 캐비닛의 외부로 흐르는 공기조화기의 실외기.
- 제3항에 있어서,상기 송풍팬이 제2회전 방향으로 회전하는 것에 응답하여, 상기 제1전장실 내의 냉매는 상기 제1전장실로부터 상기 제1덕트 홀을 통하고, 상기 덕트를 통해 상기 열교환실로 흐르는 공기조화기의 실외기.
- 제4항에 있어서,상기 제1전장실의 옆에 마련되는 제2전장실을 더 포함하고,상기 제2전장실은 상기 캐비닛의 전방 영역에 있고,상기 덕트는 상기 열교환실, 상기 제1전장실 및 상기 제2전장실과 연통되는 공기조화기의 실외기.
- 제5항에 있어서,상기 제1전장실 케이스의 옆에 배치되고, 제1측에 개구를 포함하는 제2전장실 케이스로서, 상기 제2전장실은 상기 제2전장실 케이스의 내부인 제2전장실 케이스;상기 제2전장실 케이스의 제2측에 형성되고, 상기 제2전장실 케이스와 상기 덕트를 연결시키는 제2덕트 홀;을 포함하고,상기 제1전장실 케이스는 상기 배출 호스를 상기 제1전장실 케이스에 연결시키도록 상기 제2케이스의 바닥에 형성되는 호스 홀을 포함하는 공기조화기의 실외기.
- 제6항에 있어서,상기 제1덕트 홀은 복수의 제1덕트 홀을 포함하고,상기 제2덕트 홀은 복수의 제2덕트 홀을 포함하고,상기 복수의 제1덕트 홀은 상기 제1전장실 케이스의 상기 제2측의 상부 및 하부에 각각 형성되고,상기 복수의 제2덕트 홀은 상기 제2전장실 케이스의 상기 제2측의 상부 및 하부에 각각 형성되고,상기 송풍팬이 회전하지 않는 동안, 상기 제2전장실 내의 냉매는 상기 제2전장실 케이스의 상기 제2측의 하부에 형성되는 상기 복수의 제2덕트 홀을 통하고, 상기 덕트를 통하고, 상기 제1전장실 케이스의 상기 제2측의 하부에 형성되는 상기 복수의 제1덕트 홀을 통하고, 상기 호스 홀을 통해 상기 배출 호스로 흐르는 공기조화기의 실외기.
- 제1항에 있어서,상기 밀폐 부재는,상기 제1전장실 케이스와 상기 제1케이스 커버의 사이로부터 상기 제1케이스 커버와 상기 제1전장실 케이스의 상기 개구의 사이로 연장되는 제1밀폐부;상기 제1밀폐부로부터 상기 제1전장실 케이스의 내부를 향해 연장되는 제2밀폐부;상기 제2밀폐부로부터 상기 제1전장실 케이스의 개구의 중앙을 향해 연장되는 제3밀폐부; 및상기 제2밀폐부로부터 상기 제1전장실 케이스의 내부와 접촉되도록 연장되는 제4밀폐부;를 포함하는 공기조화기의 실외기.
- 제8항에 있어서,상기 제1케이스 커버는,상기 제1전장실 케이스의 상기 제1측의 커버하는 커버부;상기 밀폐 부재를 상기 제1전장실 케이스와 상기 제1케이스 커버의 사이로 가이드하도록 상기 커버부로부터 상기 제1전장실 내부를 향해 돌출되는 제1돌기; 및상기 제1밀폐부 및 상기 제3밀폐부 사이에 삽입되도록 상기 제1돌기로부터 상기 제1전장실 케이스의 내부를 향해 돌출되는 제2돌기;를 포함하는 공기조화기의 실외기.
- 제9항에 있어서,상기 캐비닛의 전방 영역에서 상기 제1전장실 케이스의 옆의 제2전장실 케이스로서, 상기 제2전장실 케이스의 제1측에 개구를 포함하는 제2전장실 케이스;상기 제2전장실 케이스의 내의 제2전장실;상기 제2전장실 내의 제2전장품; 및상기 제2전장실 케이스의 상기 개구를 커버하도록 구성되는 제2 케이스 커버;를 더 포함하고,상기 밀폐 부재는,상기 제1전장실 케이스와 상기 제1 케이스 커버의 사이의 제1밀폐 부재; 및상기 제2전장실 케이스와 상기 제2 케이스 커버의 사이의 제2밀폐 부재를 포함하는 공기조화기의 실외기.
- 제10항에 있어서,상기 제2 전장실 케이스 내에 배치되어 상기 제2전장품을 수용하는 전장 상자;상기 제2전장품에서 발생하는 열을 전달받도록 상기 전장 상자의 후방에 배치되는 열전달 부재;상기 덕트 내에 배치되며, 상기 제2전장품을 냉각시키도록 상기 열전달 부재와 결합되는 열교환 핀; 및상기 열전달 부재의 둘레에 제3밀폐 부재;를 더 포함하는 공기조화기의 실외기.
- 제1항에 있어서,상기 캐비닛은 프론트 패널을 포함하고,상기 공기조화기의 실외기는,상기 제1전장실 내로 냉매가 흐르는 것을 방지하기 위해 상기 캐비닛의 내부와 상기 캐비닛의 외부를 연통시키도록 구성되고, 상기 제1전장실 아래에서 상기 프론트 패널에 형성되는 배출 홀; 및상기 캐비닛 내의 냉매를 상기 배출 홀로 안내하도록 구성되고, 상기 캐비닛 내에, 상기 전장실 보다 아래에서 상기 프론트 패널에 인접한 가이드;를 더 포함하는 공기조화기의 실외기.
- 제12항에 있어서,상기 가이드는,상하 방향으로 연장되는 베이스;상기 제1전장품에 연결되는 전선을 수용하도록 상기 베이스의 양측에 있는 한 쌍의 패널부; 및상기 배출 홀로 냉매를 안내하도록 상기 베이스로부터 전방을 향해 돌출되는 돌출부를 포함하는 공기조화기의 실외기.
- 제13항에 있어서,상기 냉매가 상기 캐비닛의 하부로부터 상기 제1전장실로 흐르는 것을 차단하도록 구성된, 상기 프론트 패널과 상기 돌출부의 사이의 차단부재;를 더 포함하는 공기조화기의 실외기.
- 제14항에 있어서,상기 돌출부에 대응되는 상기 프론트 패널의 부분은 전방을 향해 돌출되고,상기 배출 홀은, 상기 가이드와 동일한 위치에서 상기 캐비닛의 베이스까지 연장되는 공기조화기의 실외기.
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| CN202380065972.6A CN119816691A (zh) | 2022-12-19 | 2023-10-17 | 空调器的室外机 |
| EP23907340.6A EP4563906A4 (en) | 2022-12-19 | 2023-10-17 | OUTDOOR AIR CONDITIONER UNIT |
| US18/507,752 US12422156B2 (en) | 2022-12-19 | 2023-11-13 | Outdoor unit of air conditioner |
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| KR10-2022-0178740 | 2022-12-19 | ||
| KR1020220178740A KR20240096255A (ko) | 2022-12-19 | 2022-12-19 | 공기조화기의 실외기 |
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| Application Number | Title | Priority Date | Filing Date |
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| US18/507,752 Continuation US12422156B2 (en) | 2022-12-19 | 2023-11-13 | Outdoor unit of air conditioner |
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| WO2024136054A1 true WO2024136054A1 (ko) | 2024-06-27 |
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|---|---|---|---|---|
| KR20040080811A (ko) * | 2003-03-13 | 2004-09-20 | 엘지전자 주식회사 | 공기조화기 실외기의 컨트롤 박스 |
| KR20090002735A (ko) * | 2007-07-04 | 2009-01-09 | 엘지전자 주식회사 | 공기 조화기의 실외기 |
| KR20150084371A (ko) * | 2014-01-14 | 2015-07-22 | 엘지전자 주식회사 | 공기조화기의 실외기 |
| JP2016156563A (ja) * | 2015-02-25 | 2016-09-01 | シャープ株式会社 | 空気調和機の室外機 |
| KR20180018093A (ko) * | 2016-08-12 | 2018-02-21 | 삼성전자주식회사 | 공기조화장치의 실외기 |
-
2022
- 2022-12-19 KR KR1020220178740A patent/KR20240096255A/ko active Pending
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20040080811A (ko) * | 2003-03-13 | 2004-09-20 | 엘지전자 주식회사 | 공기조화기 실외기의 컨트롤 박스 |
| KR20090002735A (ko) * | 2007-07-04 | 2009-01-09 | 엘지전자 주식회사 | 공기 조화기의 실외기 |
| KR20150084371A (ko) * | 2014-01-14 | 2015-07-22 | 엘지전자 주식회사 | 공기조화기의 실외기 |
| JP2016156563A (ja) * | 2015-02-25 | 2016-09-01 | シャープ株式会社 | 空気調和機の室外機 |
| KR20180018093A (ko) * | 2016-08-12 | 2018-02-21 | 삼성전자주식회사 | 공기조화장치의 실외기 |
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