WO2017179089A1 - Dispositif de climatisation - Google Patents

Dispositif de climatisation Download PDF

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Publication number
WO2017179089A1
WO2017179089A1 PCT/JP2016/061664 JP2016061664W WO2017179089A1 WO 2017179089 A1 WO2017179089 A1 WO 2017179089A1 JP 2016061664 W JP2016061664 W JP 2016061664W WO 2017179089 A1 WO2017179089 A1 WO 2017179089A1
Authority
WO
WIPO (PCT)
Prior art keywords
hole
closing plate
shaft
connection
lower hole
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
Application number
PCT/JP2016/061664
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English (en)
Japanese (ja)
Inventor
嘉範 藤井
貴宏 飯沼
康友 平井
賢典 宮田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to PCT/JP2016/061664 priority Critical patent/WO2017179089A1/fr
Publication of WO2017179089A1 publication Critical patent/WO2017179089A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/20—Casings or covers

Definitions

  • the present invention relates to a ceiling-embedded air conditioner applied to a packaged air conditioner or the like.
  • a ceiling-embedded air conditioner that is applied to a packaged air conditioner or the like is embedded with a casing with a blower, a heat exchanger, a drain pan, etc. embedded in a ceiling about 2 to 3.5 m above the floor. It is.
  • the housing is open on the lower surface side, and a part of the opening is closed with a closing plate.
  • the closing plate is fixed with a part of the housing and a screw member or the like, and is removed at the time of construction or maintenance.
  • the air conditioner disclosed in Patent Document 1 has a configuration in which a decorative panel is arranged and attached in parallel to a ceiling surface and is connected by two panel connecting members.
  • Each panel connecting member has a locking claw fitted in a recess formed in the decorative panel, and a mounting hole for screwing the decorative panel.
  • Each panel connecting member is attached to the decorative panel by fitting a locking claw into the concave portion of the decorative panel and tightening a screw member passed through the attachment hole.
  • the present invention has been made to solve the above-described problems, and an operator who uses a stepladder can easily remove the closing plate with one hand and can safely perform construction or maintenance work.
  • An object of the present invention is to provide an air conditioner.
  • An air conditioner includes a housing having an opening on the lower side, a blower disposed inside the housing, and a heat disposed so as to surround the blower and housed in the housing.
  • a closing plate that includes an exchanger, a closing surface that closes the opening of the housing, and a first connection surface and a second connection surface that protrude downward from both ends of the closing surface and are connected to the housing.
  • a first shaft hole through which a first connection member having a head portion and a shaft portion is passed is formed in the first connection surface, and a second portion having a head portion and a shaft portion is formed in the second connection surface.
  • a second shaft hole is formed through which the connecting member passes.
  • the first shaft hole communicates with a first lower hole extending in the lateral direction and the first lower hole, and toward the upper side of the first lower hole.
  • a first upper hole that tapers, and the first shaft hole has a size that allows the head of the first connecting member to pass through the first lower hole and the first upper hole.
  • the upper end of the first upper hole and the first lower hole are formed with a width smaller than the head of the first connecting member, and the second shaft hole extends in the lateral direction.
  • the first connection member when the closing plate is slid, the first connection member can be hooked at the upper end of the first upper hole of the first shaft hole formed in the first connection surface, The second connecting member can be pulled out by the cutout portion of the second upper hole of the second shaft hole formed on the two connecting surfaces. Then, the closing plate can be removed by removing the first connecting member from the region where the first shaft hole is removed. Therefore, an operator who uses a stepladder can easily remove the closing plate with one hand without pressing the closing plate with one hand and holding the screwdriver with the other hand to remove the connecting member. It is possible to perform construction and maintenance work safely.
  • FIG. 2 is a cross-sectional view taken along line AA indicated in FIG. 1.
  • FIG. 3 is a cross-sectional view taken along the line BB indicated in FIG. 1.
  • (A) is the principal part enlarged view which showed the 1st axial hole of the air conditioning apparatus which concerns on embodiment of this invention
  • (B) is the principal part enlarged view which showed the different shape of the 1st axial hole.
  • FIG. 1 is a perspective view showing an appearance of an air conditioner according to an embodiment of the present invention.
  • FIG. 2 is a perspective view showing the internal structure of the air-conditioning apparatus according to the embodiment of the present invention.
  • FIG. 3 is a cross-sectional view taken along the line AA indicated in FIG. 4 is a cross-sectional view taken along the line BB indicated in FIG.
  • the air conditioner according to the present embodiment is a ceiling-embedded air conditioner in which a casing 10 in which a blower 11, a heat exchanger 12, a drain pan 13, a control box 14, and the like are housed is embedded in a ceiling.
  • the housing 10 has a box shape with the lower surface opened, and an air suction port 16 is formed at the center of the lower surface, and an air outlet 17 is formed along the outer periphery of the housing 10 adjacent to the air suction port 16. ing.
  • a decorative panel is attached to the ceiling surface of the housing 10 embedded in the ceiling.
  • the blower 11 includes a fan having an air suction port 16 on the lower side and a motor that drives the fan, and is disposed in the center of the housing 10. The blower 11 blows air from the rotation axis direction and blows it out in the circumferential direction as the fan rotates.
  • the heat exchanger 12 operates as an evaporator during cooling operation and as a condenser during heating operation.
  • the heat exchanger 12 is arranged in a substantially U shape so as to surround the fan of the blower 11, and exchanges heat between the refrigerant flowing inside and the indoor air sucked by the blower 11.
  • the drain pan 13 is installed along the heat exchanger 12 below the heat exchanger 12 and receives drain water dripped from the heat exchanger 12.
  • An air outlet 17 is formed on the outside along each side of the drain pan 13.
  • the drain pan 13 is formed with a protrusion 13a on the outer peripheral surface on the opening 9 side of the housing 10 that protrudes outward and has an inclined portion 13b inclined from the outside to the inside on the lower surface side.
  • the control box 14 has a built-in control device that rotationally drives the blower 11.
  • air flows along the paths indicated by arrows C and D shown in FIG. 3 by the blower 11 that is rotationally driven by the control device. That is, the air conditioner of the present embodiment sucks room air from the air suction port 16, and passes the sucked room air through the heat exchanger 12 to exchange heat with the refrigerant flowing in the heat exchanger 12. Air-conditioned air that has been conditioned by replacement is blown into the room from the air outlet 17.
  • a cover material 15 is attached to the opening 9 of the housing 10 so that the air sucked from the air suction port 16 is not leaked from the inside of the housing 10 before the air is blown out from the air blowout port 17.
  • a closing plate 1 attached adjacent to each other. The closing plate 1 is removed at the time of construction or maintenance of the air conditioner, and is attached again after the construction or maintenance is completed.
  • FIG. 5 is a perspective view of the closing plate of the air-conditioning apparatus according to the embodiment of the present invention.
  • FIG. 6 is a front view of the closing plate of the air-conditioning apparatus according to the embodiment of the present invention.
  • the closing plate 1 is made of steel, and as shown in FIGS. 5 and 6, the closing surface 2 that closes the opening 9 of the housing 10, protrudes downward from both ends of the closing surface 2, and the outer surface of the drain pan 13.
  • the first connection surface 3 and the second connection surface 5 are connected to each other.
  • the first connection surface 3 is connected to the outer surface of the adjacent drain pan 13 by the first connection member 7 made of a screw member, and the second connection surface 5 is connected to the outer surface of the adjacent drain pan 13. It is connected by a second connecting member 8 made of a screw member.
  • the first connection surface 3 includes a first bent surface 30 bent downward from one end of the closing surface 2 and a second bent surface 31 bent outward from the first bent surface 30. And a third bent surface 32 bent further downward from the second bent surface 31 is formed in a stepped shape.
  • FIG. 7A is an enlarged view of a main part showing the first shaft hole of the air conditioner according to the embodiment of the present invention
  • FIG. 7B is an enlarged main part showing a different shape of the first shaft hole.
  • the first connecting surface 3 is formed with a first shaft hole 4 through which the shaft portion 7 b of the first connecting member 7 passes in the third bent surface 32.
  • the first shaft hole 4 includes a first lower hole 40 extending in the lateral direction, and a first upper hole 41 communicating with the first lower hole 40 and tapering toward the upper side of the first lower hole 40. Yes.
  • the upper end of the first upper hole 41 and the first lower hole 40 are formed with a width d smaller than the head 7 a of the first connecting member 7.
  • size which the head 7a of the 1st connection member 7 passes is formed.
  • the first shaft hole 4 is formed as a linear inclined side 41 a with an edge from the upper end of the first upper hole 41 toward the first lower hole 40.
  • the inclined side 41a guides the shaft portion 7b of the first connecting member 7 passed through the first shaft hole 4 from the first lower hole 40 to the first upper hole 41 or from the first upper hole 41 to the first lower hole 40. It is provided for.
  • the inclined side 41a is not limited to the linear shape shown in FIG. 7A, and may be a shape curved toward the extraction region 42 as shown in FIG. 7B, for example.
  • FIG. 8 is an enlarged view of a main part showing a connection state on the first connection surface of the air-conditioning apparatus according to the embodiment of the present invention.
  • the closing plate 1 closes the opening 9 by bringing the stepped portion of the first connection surface 3 into contact with the outer surface of the drain pan 13.
  • the first connection surface 3 is configured such that the shaft portion 7b of the first connection member 7 passed through the first shaft hole 4 is screwed into the screw hole 13c formed in the drain pan 13 and brought into contact with the outer surface of the drain pan 13. Connected.
  • the second connection surface 5 includes a first bent surface 50 bent downward from the other end of the closing surface 2, and a second bent bent outward from the first bent surface 50.
  • the bent surface 51 and the third bent surface 52 bent further downward from the second bent surface 51 are formed in steps.
  • FIG. 9 is an enlarged view of a main part showing the second shaft hole of the air-conditioning apparatus according to the embodiment of the present invention.
  • a second shaft hole 6 through which the shaft portion 8 b of the second connection member 8 passes is formed in the second connection surface 5, as shown in FIG. 9.
  • the second shaft hole 6 includes a second lower hole 60 that extends in the lateral direction, and a second upper hole 61 that communicates with the second lower hole 60 and tapers upward from the second lower hole 60. .
  • the upper end of the second upper hole 61 and the second lower hole 60 are formed with a width d smaller than the head 8 a of the second connection member 8.
  • a cutout portion 62 for pulling out the second connection member 8 is formed toward the second bent surface 51.
  • the second shaft hole 6 is formed such that the edge from the upper end of the second upper hole 61 toward the second lower hole 60 is a linear inclined side 61a.
  • the inclined side 61a guides the shaft portion 8b of the second connecting member 8 passed through the second shaft hole 6 from the second lower hole 60 to the second upper hole 61 or from the second upper hole 61 to the second lower hole 60. It is provided for.
  • the inclined side 61a is not limited to the linear shape shown in FIG. 9, but may be a curved shape as shown in FIG. 7B, for example.
  • the second shaft hole 6 may be formed between the second lower hole 60 and the second upper hole 61 so as to have a punched area having a size through which the head 8a of the second connection member 8 passes.
  • FIG. 10 is a main part enlarged view showing a connection state on the second connection surface of the air-conditioning apparatus according to the embodiment of the present invention.
  • the closing plate 1 closes the opening 9 by bringing the stepped portion of the second connection surface 5 into contact with the outer surface of the drain pan 13.
  • the second connection surface 5 is configured such that the shaft portion 8b of the second connection member 8 passed through the second shaft hole 6 is screwed into the screw hole 13d formed in the drain pan 13 and brought into contact with the outer surface of the drain pan 13. Connected.
  • the closing plate 1 is provided with a packing material 20 on the upper surface of the closing surface 2 to fill a gap between the lower surface of the protrusion 13 a of the drain pan 13 and the closing surface 2 of the closing plate 1.
  • the airtightness inside the housing 10 is enhanced.
  • the air conditioner of the present embodiment has an airtight structure by closing the opening 9 with the closing plate 1 and providing a packing material 20 so that air sucked from the air suction port 16 does not leak from the opening 9.
  • FIG. 11 is an explanatory diagram showing a procedure for removing the closing plate on the first connection surface side of the air-conditioning apparatus according to the embodiment of the present invention.
  • the operator loosens the first connecting member 7 and the second connecting member 8 that fix the closing plate 1 so that the closing plate 1 can be moved.
  • the first connecting member 7 and the second connecting member 8 are fixed to the side surface of the drain pan 13 and are not completely removed.
  • the operator slides the closing plate 1 in the horizontal direction (X2 direction).
  • the first connecting member 7 is removed from the first lower hole 40, and the closing plate 1 moves vertically downward (Z2 direction) by its own weight.
  • the upper end of the first upper hole 41 is moved. Will hit the head 7a of the first connecting member 7 and be caught.
  • the closing plate 1 is moved by its own weight, and the upper end of the first upper hole 41 is automatically hooked and held on the head 7a of the first connecting member 7, so that the operator moves the closing plate 1 with one hand.
  • the first connecting member 7 is moved from the first prepared hole 40, the balance is not lost even if the balance is lost and the hand is released.
  • the operator lifts the closing plate 1 vertically upward (Z1 direction) from the state in which the upper end of the first upper hole 41 is caught by the first connecting member 7,
  • the closing plate 1 can be detached from the first connecting member 7.
  • FIG. 12 is an explanatory diagram showing a procedure for removing the closing plate on the second connection surface side of the air-conditioning apparatus according to the embodiment of the present invention.
  • the operator loosens the first connecting member 7 and the second connecting member 8 that fix the closing plate 1 so that the closing plate 1 can be moved.
  • the first connecting member 7 and the second connecting member 8 are fixed to the side surface of the drain pan 13 and are not completely removed.
  • the operator slides the closing plate 1 in the horizontal direction (X2 direction). Then, the closing plate 1 moves out vertically (Z2 direction) by its own weight, as shown in FIG.
  • the second connection surface 5 of the closing plate 1 passes through the notch 62 of the second upper hole 61 and is detached from the second connection member 8. .
  • the first connecting surface 3 side of the closing plate 1 is also movable as described above, and the upper end portion of the first upper hole 41 is caught by the first connecting member 7. For this reason, even if the 2nd connection surface 5 remove
  • an operator who uses a stepladder can easily remove the closing plate 1 with one hand.
  • an operator who uses a stepladder can easily remove the closing plate 1 with one hand.
  • the screw member that fixes the closing plate from the closing plate there is no possibility that the closing plate or the screw member will fall inadvertently. Can do.
  • FIG. 13 is an explanatory diagram illustrating a procedure for attaching a closing plate on the first connection surface side of the air-conditioning apparatus according to Embodiment.
  • FIG. 14 is an explanatory view showing stepwise the operation in which the inclined portion of the drain pan comes into contact with the packing material.
  • the operator passes the first connecting member 7 fixed to the drain pan 13 with the head portion 7a protruding into the extraction region 42 of the first shaft hole 4. Then, the closing plate 1 moves vertically downward (Z2 direction) by its own weight, and as shown in FIG. 13B, the upper end portion of the first upper hole 41 automatically becomes the head portion 7a of the first connection member 7. It will be caught on and prevented from falling.
  • the operator moves the closing plate 1 in the horizontal direction (X1 direction) from the state shown in FIG. Then, the closing plate 1 contacts the inclined side 41a with the shaft portion 7b of the first connecting member 7, and is guided by the inclined side 41a and moves obliquely upward (F direction) as shown in FIG. 13C.
  • the packing material 20 affixed to the upper surface of the closing plate 1 hits the inclined portion 13b provided on the protruding portion 13a of the drain pan 13 as shown in FIGS. Move while being crushed.
  • the air conditioner according to the present embodiment crushes the packing material 20 while moving the closing plate 1 along the inclined side 41 a of the first shaft hole 4. Compared with the case where it makes it, the force which crushes the packing material 20, and the friction which arises between the packing material 20 and the drain pan 13 can be reduced, and workability
  • FIG. 16 is a principal part enlarged view showing a conventional air conditioner.
  • the screw member passed through the mounting hole b with the other hand holding the screwdriver by fixing the position of the mounting hole b by holding the panel connecting member a with one hand. Needs to be fastened and fixed to the decorative panel c, which is a two-handed operation.
  • FIG. 15 is an explanatory diagram showing a procedure for attaching a closing plate on the second connection surface side of the air-conditioning apparatus according to the embodiment of the present invention.
  • the operator places the notch 62 of the second shaft hole 6 on the shaft of the second connecting member 8 fixed to the drain pan 13 with the head 8a protruding. Go to 8b.
  • the closing plate 1 is fixed by the first upper hole 41 of the first shaft hole 4 of the first connection surface 3 being hooked on the head 7 a of the first connection member 7. Therefore, the worker does not fall even if he releases his hand.
  • the operator moves the closing plate 1 in the horizontal direction (X1 direction) after passing the shaft portion 8b of the second connecting member 8 from the notch portion 62. Then, as shown in FIG. 15 (B), the closing plate 1 moves obliquely upward (F direction) along the inclined side 61a as shown in FIG. 15 (C), as shown in FIG. 15 (C).
  • the second connecting member 8 is accommodated and temporarily fixed to the end portion of the second lower hole 60. After temporarily fixing the operator, the closing plate 1 is fixed to the outer surface of the drain pan 13 by tightening the first connecting member 7 and the second connecting member 8 with a driver held with one hand.
  • the air conditioner according to the present embodiment allows the operator who used the stepladder to easily attach the closing plate with one hand after completing the construction and maintenance work safely.
  • the closing plate 1 includes the first connection member 7 and the second connection member 8, the outer surface of the drain pan 13 adjacent to the first connection surface 3 and the second connection surface 5, respectively. Therefore, there is no need to separately provide a connection member inside the housing 10.
  • the first shaft hole 4 is inclined at the edge from the first upper hole 41 toward the first lower hole 40, and the second shaft hole 6 is also from the second upper hole 61.
  • the edge toward the second pilot hole 60 is inclined. Therefore, the first connecting member 7 passed through the first shaft hole 4 is smoothly guided from the first lower hole 40 to the first upper hole 41 or from the first upper hole 41 to the first lower hole 40. Further, the second connecting member 8 passed through the second shaft hole 6 is smoothly guided from the second lower hole 60 to the second upper hole 61 or from the second upper hole 61 to the second lower hole 60. Therefore, the workability of removal and attachment of the closing plate 1 can be improved.
  • the air conditioning apparatus of the present embodiment can reduce the force that crushes the packing material 20 and the friction that occurs between the packing material 20 and the drain pan 13, and has good workability.
  • the present invention is not limited to the configuration of the embodiment described above.
  • the first connection member 7 and the second connection member 8 are screw members in the present embodiment, but may be any member formed of a head and a shaft, such as a bolt or a pin.
  • the 1st connection surface 3 and the 2nd connection surface 5 are not limited to the structure made into the step shape, What is necessary is just a shape according to connection object, such as a vertical surface or an inclined surface.
  • the closing plate 1 is not limited to the configuration in which the first connection surface 3 and the second connection surface 5 are connected to the drain pan 13, and may be connected to other members, and can be appropriately changed within the scope of the technology of the invention. Is possible. In short, it should be noted that the scope of the present invention also includes the scope of various changes, applications, and uses made by those skilled in the art as needed.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Filters, Heat-Exchange Apparatuses, And Housings Of Air-Conditioning Units (AREA)

Abstract

L'invention concerne un dispositif de climatisation comprenant : un boîtier ; une soufflante ; un échangeur de chaleur ; et une plaque de fermeture ayant une surface de fermeture, une première surface de liaison et une seconde surface de liaison. La première surface de liaison comporte, à l'intérieur de cette dernière, un premier trou d'arbre à travers lequel passe un premier élément de liaison ayant une section de tête et une section d'arbre. La seconde surface de liaison comporte, à l'intérieur de cette dernière, un second trou d'arbre à travers lequel passe un second élément de liaison ayant une section de tête et une section d'arbre. Le premier trou d'arbre a un premier trou inférieur s'étendant horizontalement et un premier trou supérieur en communication avec le premier trou inférieur et effilé vers le haut du premier trou inférieur. Le premier trou d'arbre a une région formée par le premier trou inférieur et le premier trou supérieur et ayant une dimension qui permet à la section de tête du premier élément de liaison de passer à travers la région. Le premier trou inférieur et l'extrémité supérieure du premier trou supérieur sont formés pour avoir une largeur plus petite que la section de tête du premier élément de liaison. Le second trou d'arbre a un second trou inférieur s'étendant horizontalement, un second trou supérieur qui est en communication avec le second trou inférieur et qui est effilé vers le haut du second trou inférieur, et une découpe qui est formée dans l'extrémité supérieure du second trou supérieur et à travers laquelle le second élément de liaison s'étend.
PCT/JP2016/061664 2016-04-11 2016-04-11 Dispositif de climatisation Ceased WO2017179089A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/061664 WO2017179089A1 (fr) 2016-04-11 2016-04-11 Dispositif de climatisation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/JP2016/061664 WO2017179089A1 (fr) 2016-04-11 2016-04-11 Dispositif de climatisation

Publications (1)

Publication Number Publication Date
WO2017179089A1 true WO2017179089A1 (fr) 2017-10-19

Family

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Application Number Title Priority Date Filing Date
PCT/JP2016/061664 Ceased WO2017179089A1 (fr) 2016-04-11 2016-04-11 Dispositif de climatisation

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WO (1) WO2017179089A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01116319U (fr) * 1988-01-29 1989-08-04
JPH01151127U (fr) * 1988-04-11 1989-10-18
JPH04288421A (ja) * 1991-03-14 1992-10-13 Daikin Ind Ltd 天井埋込型空気調和装置の化粧パネル取付板
JP4704226B2 (ja) * 2006-01-31 2011-06-15 東芝キヤリア株式会社 天井カセット形空気調和機

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01116319U (fr) * 1988-01-29 1989-08-04
JPH01151127U (fr) * 1988-04-11 1989-10-18
JPH04288421A (ja) * 1991-03-14 1992-10-13 Daikin Ind Ltd 天井埋込型空気調和装置の化粧パネル取付板
JP4704226B2 (ja) * 2006-01-31 2011-06-15 東芝キヤリア株式会社 天井カセット形空気調和機

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