WO2024204996A1 - 청소기 및 이에 사용되는 물걸레 브러시 헤드 - Google Patents
청소기 및 이에 사용되는 물걸레 브러시 헤드 Download PDFInfo
- Publication number
- WO2024204996A1 WO2024204996A1 PCT/KR2024/001133 KR2024001133W WO2024204996A1 WO 2024204996 A1 WO2024204996 A1 WO 2024204996A1 KR 2024001133 W KR2024001133 W KR 2024001133W WO 2024204996 A1 WO2024204996 A1 WO 2024204996A1
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- WO
- WIPO (PCT)
- Prior art keywords
- water tank
- water
- heater
- hot water
- brush head
- 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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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/408—Means for supplying cleaning or surface treating agents
- A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/28—Floor-scrubbing machines, motor-driven
- A47L11/282—Floor-scrubbing machines, motor-driven having rotary tools
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
Definitions
- the embodiments provide a cleaner that cleans a surface to be cleaned by spraying water onto the surface to be cleaned, and a mop brush head used therein.
- a vacuum cleaner is a device that performs cleaning, and there are various types, such as a vacuum cleaner that performs cleaning using suction power, a mop cleaner that performs cleaning using water, and a vacuum cleaner that uses suction power and water simultaneously or selectively.
- a vacuum cleaner that selectively uses suction power and water can use a brush head that is configured to come into contact with the surface to be cleaned by replacing it according to the cleaning purpose.
- a vacuum cleaner can be equipped with a suction brush head to use suction power, or a vacuum cleaner can be equipped with a mop brush head to use water.
- a vacuum cleaner according to one embodiment may include a mop brush head.
- the above mop brush head may include: a head body; a water tank mounted on the head body and configured to store water; and at least one mop disposed at a lower portion of the head body so as to come into contact with a surface to be cleaned.
- the above mop brush head may further include a spraying unit configured to spray water toward the surface to be cleaned.
- the above mop brush head may include a hot water tank including an inlet for introducing water stored in the water tank, an outlet for discharging water to the spray unit, and a channel structure having a plurality of channels provided inside so that water introduced from the inlet moves toward the outlet along a set path, and a heater configured to heat water inside the hot water tank.
- Figure 1 is a perspective view showing a vacuum cleaner according to one embodiment.
- Figure 2 is a perspective view showing a main body of a vacuum cleaner according to one embodiment.
- FIG. 3 is a cross-sectional view showing an extension tube of a vacuum cleaner according to one embodiment.
- Figure 4 is a perspective view showing the vacuum cleaner of Figure 1 with the suction brush head replaced with a mop brush head.
- Fig. 5 is a perspective view showing a mop brush head according to an embodiment.
- Figure 6 is a perspective view showing a portion of the mop brush head of Figure 5 separated.
- Figure 7 is a perspective view for explaining the bottom surface of the mop brush head of Figure 5.
- Fig. 8 is a drawing showing a part of a mop brush head according to an embodiment.
- Fig. 9 is a front view of the heating module of the mop brush head according to the embodiment.
- Fig. 10 is an example of an exploded perspective view showing the heating module of Fig. 9 in an exploded view.
- Fig. 11 shows a cross-section of a heating module cut in a horizontal direction according to an embodiment.
- Figures 12a to 12d are drawings for explaining the processes of water inflow, water heating, and water discharge in a hot water tank according to an embodiment.
- FIGS. 13a and 13b are drawings for explaining a modified example of the filter structure in the heating module of FIG. 11.
- Fig. 14 is a cross-sectional view taken vertically through a heating module according to an embodiment.
- Fig. 15 is a perspective view showing an example of a heating module according to one embodiment.
- Fig. 16 is a cross-sectional view taken horizontally through the heating module of Fig. 15.
- Fig. 17 is a cross-sectional view taken vertically through the heating module of Fig. 15.
- Fig. 18 is a cross-sectional view taken vertically through a heating module according to one embodiment.
- the expression “at least one of a, b or c” can refer to “a”, “b”, “c”, “a and b”, “a and c”, “b and c”, “all of a, b and c”, or variations thereof.
- first may be referred to as the second component
- second component may also be referred to as the first component.
- and/or includes any combination of a plurality of related items or any one of a plurality of related items.
- Fig. 1 is a perspective view showing a cleaner (1) according to one embodiment.
- Fig. 2 is a perspective view showing a main body of a cleaner (1) according to one embodiment.
- Fig. 3 is a cross-sectional view showing an extension pipe (40) of a cleaner (1) according to one embodiment, and
- Fig. 4 is a perspective view showing a state in which a suction brush head (10) of the cleaner (1) of Fig. 1 is replaced with a mop brush head (100).
- the cleaner (1) includes a main body (20) that provides suction power, a suction brush head (10) that sucks up foreign substances on a surface to be cleaned using the suction power provided by the main body (20), and an extension pipe (40) that connects the main body (20) and the suction brush head (10).
- the main body (20) includes a motor (not shown) that generates suction force and a dust collection unit (30) that receives foreign substances sucked by the suction brush head (10).
- the dust collector (30) may use a cyclone method, but this is only an example, and the type of method applied to the dust collector (30) is not limited.
- the dust collector (30) is provided in the form of a container in which centrifugally separated foreign substances are accommodated.
- the dust collector (30) may be detachably connected to the main body (20).
- the main body (20) includes a discharge unit (21) that discharges air sucked into the inside of the main body (20) to the outside.
- the discharge unit (21) includes a plurality of holes provided on the outside of the main body (20).
- a dust collection unit (30) is coupled to the lower side of the discharge unit (21). When air is sucked into the inside of the main body (20) through the suction nozzle (50), dust contained in the air is captured and accommodated in the dust collection unit (30), and the air from which the dust has been filtered is discharged to the outside of the main body (20) through the discharge unit (21).
- the suction brush head (10) may be provided to suck in foreign substances from a surface to be cleaned, for example, a floor, together with air by suction force.
- the suction brush head (10) is provided to suck in various foreign substances, such as dust, fine dust, and hair, present on the surface to be cleaned while moving in contact with the surface to be cleaned.
- the suction brush head (10) may include a brush and a motor for rotating the brush.
- the extension tube (40) transmits the suction force generated in the main body (20) and transfers foreign substances sucked from the suction brush head (10) to the main body (20).
- the extension pipe (40) may have a structure in which the length can be adjusted.
- the extension pipe (40) includes a first pipe (41) connected to the main body (20), and a second pipe (42) connected between the first pipe (41) and the suction brush head (10).
- the extension pipe (40) has a double pipe shape.
- the diameter of the first pipe (41) is smaller than that of the second pipe (42), and the length of the entire extension pipe (40) can be adjusted by sliding while the end of the first pipe (41) is accommodated in the second pipe (42).
- An electric wire (43) for electrical connection between the main body (20) and the suction brush head (10) may be arranged in the extension pipe (40). This electric wire (43) may be used for electrical connection between the mop brush head (100) and the main body (20) described later.
- the wire (43) may be positioned so as not to be exposed to the outside of the extension pipe (40).
- a part (431) of the wire (43) may be positioned inside the first receiving portion (411) of the first pipe (41), and another part (432) of the wire (43) may be positioned inside the second receiving portion (421) of the second pipe (42).
- the length of another part (432) of the wire (43) placed within the second receiving portion (421) may be longer than the length of the second pipe (42).
- the wire (43) placed within the second receiving portion (421) may be bent.
- the other part (432) of the wire (43) placed within the second receiving portion (421) may be bent into a coil shape.
- the size of the second receiving portion (421) may be limited. Accordingly, in order for the wire (43) placed within the second receiving portion (421) of limited size to bend, the specification, diameter, or allowable current of the wire (43) may be limited.
- the specification of the wire (43) may be AWG 19 or more.
- the diameter of the wire (43) may be 1 mm or less.
- the allowable current of the wire (43) may be 5 A (Ampere) or less.
- the extension pipe (40) has been exemplified as having a structure that can be adjusted in length, but is not necessarily limited thereto.
- the extension pipe (40) may have a structure with a fixed length.
- the extension pipe (40) may be composed of a pipe with a fixed length and a wire (43) arranged inside the pipe. In this case, since the wire (43) arranged in the extension pipe (40) does not need to be bent, the selection of the wire (43) may be free.
- the main body (20) includes a suction nozzle (50) to which an extension pipe (40) is connected.
- the suction nozzle (50) has a suction port formed through which the extension pipe (40) can be inserted, and transmits air sucked from the extension pipe (40) through this suction port into the interior of the main body (20).
- the suction nozzle (50) is formed in the longitudinal direction of the extension pipe (40) by inserting and connecting the extension pipe (40).
- the suction nozzle (50) includes a nozzle connector (60) to which the extension pipe (40) can be detachably connected.
- the main body (20) includes a handle (70) that is provided so that a user can grip it. The user can hold the handle (70) and move the main body (20) and the suction brush head (10).
- the main body (20) may include a battery (80) that supplies power to the vacuum cleaner (1).
- the vacuum cleaner (1) including the battery (80) can be used wirelessly without a wired connection. That is, the vacuum cleaner (1) may be a wireless vacuum cleaner.
- the cleaner (1) according to the embodiment can be used by replacing the suction brush head (10) with a mop brush head (100) for water cleaning of the surface to be cleaned.
- a mop brush head (100) for water cleaning of the surface to be cleaned.
- a suction brush head (10) may be replaceably connected to the tip of the extension pipe (40), for example, the tip of the second pipe (42).
- the suction brush head (10) may be separated from the tip of the extension pipe (40), and instead, a mop brush head (100) described later may be mounted.
- the main body (20) includes an operating unit (90) provided to allow a user to control the operation of the cleaner (1).
- the operating unit (90) is an input interface that can be operated by a user and is implemented as a mechanical or electronic button. The user can control the suction operation or the water cleaning operation of the cleaner (1) by operating the operating unit (90).
- the cleaner (1) can switch between a suction cleaning mode and a water mop cleaning mode depending on which brush head is connected to the extension tube (40). Depending on the operation mode of the cleaner (1), the operating unit (90) can perform different operations with the same button operation.
- FIG. 5 is a perspective view showing a mop brush head (100) according to an embodiment
- FIG. 6 is a perspective view showing a part of the mop brush head (100) of FIG. 5 in isolation.
- FIG. 7 is a perspective view for explaining the bottom of the mop brush head (100) of FIG. 5.
- FIG. 8 is a drawing showing a part of the mop brush head (100) according to an embodiment.
- FIG. 9 is a front view of a heating module (200) of a mop brush head (100) according to an embodiment
- FIG. 10 is an example of an isolated perspective view showing the heating module (200) of FIG. 9 in isolation.
- the mop brush head (100) sprays water onto the surface to be cleaned, and the mop (123) repeatedly contacts the surface to be cleaned to perform water cleaning on the surface to be cleaned.
- a mop brush head (100) may include a head body (110), at least one mop (123) positioned so as to come into contact with a surface to be cleaned at the lower portion of the head body (110), a spray unit (140) positioned at the front of the head body (110), a water tank (150) storing water, and a pump (160) positioned between the spray unit (140) and the water tank (150) and providing pressure so that the spray unit (140) sprays water.
- the head body (110) may include a brush body (120) and a brush connection part (130) that is arranged to be mounted on the tip end of an extension tube (40).
- the brush connection part (130) may be connected to the brush body (120) so that the angle can be adjusted.
- the brush body (120) may include a pair of rotating disks (121) provided on the lower surfaces on the left and right sides.
- the rotating disks (121) may include a mop attachment part (122) for detachably attaching a mop (123) to the lower surface facing the floor.
- the mop attachment part (122) may be implemented in various structures, such as an adhesive pad or Velcro, depending on the material of the mop (123).
- the mop (123) may include various fiber or plastic materials designed for cleaning.
- the mop (123) is rotated by the rotating disk (121) while in contact with the surface to be cleaned, and cleaning may be performed by the mop (123) in the process.
- a structure in which the mop (123) rotates is exemplified, but the invention is not necessarily limited thereto.
- the mop (123) may not rotate but may be fixed to the brush body (120).
- the brush body (120) may include a base frame (125) that supports a rotating disk (121) and an upper cover (126) that is detachably coupled to the base frame (125).
- the base frame (125) supports the rotating disk (121) so that it can rotate, and a heating module (200) described later may be installed.
- the upper cover (126) performs a function of covering components installed in the base frame (125), such as the heating module (200), so that they are not exposed upward, and may form the upper appearance of the mop brush head (100).
- a frame (127) may be arranged between the base frame (125) and the upper cover (126), and a control unit (273) may be supported by the frame (127).
- the shape and structure of the brush body (120) are exemplary and may be variously modified as needed.
- the water tank (150) may be placed in the head body (110).
- the water tank (150) may be detachably connected to the brush connection part (130) of the head body (110).
- the water stored in the water tank (150) may be more than the amount of water sprayed at one time by the spray part (140) (hereinafter referred to as “water spray amount”).
- water spray amount the amount of water sprayed at one time by the spray part (140)
- the storage capacity of water that can be stored in the water tank (150) may be 30 times or more the amount of water sprayed.
- the storage capacity of the water tank (150) may be 50 times or more the amount of water sprayed.
- the storage capacity of the water tank (150) may be 100 times or less the amount of water sprayed.
- the spray unit (140) may be placed in front of the brush body (120).
- the spray unit (140) may be placed in front of the mop (123).
- the spray unit (140) may spray water directly on the surface to be cleaned.
- the spray unit (140) may spray water in front of the moving path of the mop (123).
- a pump (160) may be placed in the brush body (120) to provide pressure for water to move from the water tank (150) to the spray unit (140).
- a water supply pipe may be arranged in the brush body (120) to provide at least a portion of the water movement path from the water tank (150) to the spray unit (140).
- the water supply pipe may include a first water supply pipe (171) connecting between the water tank (150) and the pump (160), and a second water supply pipe (172) connecting between the pump (160) and the spray unit (140).
- the mop brush head (100) may further include a heating module (200) for heating water supplied from a water tank (150).
- the heating module (200) may be arranged between the pump (160) and the spray unit (140) in the brush body (120).
- the heating module (200) may be arranged between the water tank (150) and the spray unit (140) and may be configured to heat the water supplied from the water tank (150).
- the heating module (200) may be configured to heat the water before the water is sprayed by the spray unit (140).
- the mop brush head (100) includes a heating module (200), high temperature water can be sprayed onto the surface to be cleaned from the spray unit (140).
- the high temperature water sprayed onto the surface to be cleaned can quickly soak foreign substances on the surface to be cleaned, and the soaked foreign substances can be easily removed by the mop (123).
- the heating module (200) may be arranged close to the spray unit (140).
- the heating module (200) may be arranged close to the spray unit (140) between the water tank (150) and the spray unit (140).
- the heating module (200) may be arranged between the pump (160) and the spray unit (140).
- the second water supply pipe (172) may include a third water supply pipe (173) connecting between the pump (160) and the heating module (200) and a fourth water supply pipe (174) connecting between the heating module (200) and the spray unit (140).
- the heating module (200) may include a module case (210) and a heater (250) positioned inside the module case (210).
- the module case (210) supports the heater (250), and a hot water tank (201) may be provided inside.
- the module case (210) may include a lower case (230), an upper case (220) coupled to the lower case (230), and a gasket (240) positioned between the lower case (230) and the upper case (220).
- the upper case (220) may be coupled to the lower case (230) with a heater (250) therebetween.
- a heater (250) may be placed in the lower case (230).
- the heater (250) may be fixed to the lower case (230) by fixing members (2341, 2342).
- fixing members (2341, 2342) bolts and nuts have been exemplified, but the present invention is not limited thereto, and any structure for fixing the heater (250) to the lower case (230) may be modified in various ways.
- a power connection part (231) for supplying current to the heater (250) and a power cutoff part (232) to be described later may be provided at the lower part of the heater (250).
- the power connection part (231) may be connected to a control part (273; see FIG. 6) via a second wire (233).
- the heater (250) can form the bottom surface of the hot water tank (201).
- the hot water tank (201) can be defined by the upper surface of the heater (250), the inner surface of the gasket (240), and the inner surface of the upper case (220).
- the structure for forming the hot water tank (201) is not limited thereto, and can be modified in various ways as long as it is a structure for providing a space for heating a predetermined amount of water inside the module case (210).
- the module case (210) may be provided with an inlet (202) for supplying water to the hot water tank (201) and an outlet (203) for discharging water from the hot water tank (201).
- the inlet (202) and the outlet (203) may be provided at a higher position than the heater (250).
- the inlet (202) and the outlet (203) may be provided in the upper case (220).
- the arrangement of the inlet (202) and the outlet (203) is not limited thereto, and may be variously modified as long as it is for supplying and discharging water to the hot water tank (201).
- An end of a third water supply pipe (173) may be connected to the inlet (202), and an end of a fourth water supply pipe (174) may be connected to the outlet (203).
- the hot water tank (201) stores water supplied from the water tank (150), and the water stored in the hot water tank (201) can be heated by the heater (250).
- the storage capacity of the hot water tank (201) can be designed to be smaller than the storage capacity of the water tank (150) in consideration of the power usage of the heater (250).
- the storage capacity of the hot water tank (201) can be 1/30 times or less than the storage capacity of the water tank (150).
- the storage capacity of the hot water tank (201) can be 1/50 times or less than the storage capacity of the water tank (150).
- the storage capacity of the hot water tank (201) may be equal to or greater than the spray amount of the spray unit (140).
- the storage capacity of the hot water tank (201) may be at least twice the spray amount of the spray unit (140).
- the heater (250) may be placed at the bottom of the hot water tank (201).
- the heater (250) may have a flat plate shape.
- the heater (250) may have a flat plate shape upper surface.
- the heater (250) may be thin.
- the thickness of the heater (250) may be 2 mm or less.
- the thickness of the heater (250) may be 1.5 mm or less.
- the thickness of the heater (250) may be 0.5 mm ⁇ 1.5 mm.
- the heater (250) may include a heat source (251) and a conductive plate (252).
- the heat source (251) may be in the form of a metal wire.
- the heat source (251) may be made of a metal material and may have a predetermined pattern.
- the heat source (251) is not limited thereto.
- the heat source (251) may be a carbon nanotube film.
- the thickness of the heat source (251) may be 0.5 mm or less.
- the thickness of the heat source (251) may be smaller than the thickness of the conductive plate (252).
- the thickness of the heat source (251) may be 1/2 times or less than the thickness of the conductive plate (252).
- the conductive plate (252) can perform a function of transferring heat generated from the heat source (251) to the hot water tank (201).
- the conductive plate (252) can block contact between the water in the hot water tank (201) and the heat source (251).
- the conductive plate (252) can be placed between the heat source (251) and the hot water tank (201).
- the conductive plate (252) may have a flat top surface. Since the conductive plate (252) is configured to be exposed to water, it may be made of a material that does not rust. For example, the conductive plate (252) may include stainless steel. The thickness of the conductive plate (252) may be 2 mm or less. The thickness of the conductive plate (252) may be 0.5 mm to 1.5 mm.
- the heater (250) can be installed in the module case (210) so that the upper surface of the conductive plate (252) forms the bottom surface of the hot water tank (201).
- the maximum temperature of the heater (250) may be 200 degrees or less.
- the normal operating temperature of the heater (250) may be 120 degrees or less.
- the normal operating temperature of the heater (250) may be 100 degrees or less.
- the temperature of the heater (250) may rise to 200 degrees (°C).
- the water stored in the hot water tank (201) can be heated by the heater (250).
- the temperature of the water stored in the hot water tank (201) can be high.
- the temperature of the water stored in the hot water tank (201) can be higher than room temperature.
- the temperature of the water stored in the hot water tank (201) can be 40 degrees (°C) or higher.
- the temperature of the water stored in the hot water tank (201) can be 50 degrees or higher.
- the temperature of the water stored in the hot water tank (201) may be below a predetermined temperature so as not to cause damage to the surface to be cleaned or burns to the human body due to the water sprayed by the spray unit (140).
- the temperature of the water stored in the hot water tank (201) may be below 60 degrees.
- the temperature of the water stored in the hot water tank (201) may be between 50 and 60 degrees.
- the usage current of the heater (250) can be determined by considering the allowable current of the wire (43).
- the usage current of the heater (250) can be 70% or less of the allowable current of the wire (43).
- the usage current of the heater (250) can be 3.0 A or less.
- the heating module (200) may include a configuration to prevent overheating of the heater (250).
- the heating module (200) may include at least one of a temperature sensor (271), a water level sensor (272), and a power cutoff unit (232).
- the heating module (200) may include a temperature sensor (271) that detects the internal temperature of the hot water tank (201).
- the temperature sensor (271) may detect the temperature of water stored in the hot water tank (201).
- the temperature sensor (271) may be provided at a higher position than the heater (250).
- the temperature sensor (271) may be provided in the upper case (220).
- the arrangement of the temperature sensor (271) is not limited thereto, and may be provided at various positions.
- the heating module (200) may further include a water level sensor (272) for detecting the water level of the hot water tank (201).
- the water level sensor (272) may be provided at a higher position than the heater (250).
- the water level sensor (272) may be provided in the upper case (220).
- the arrangement of the water level sensor (272) is not limited thereto, and may be provided at various positions.
- the control unit (273; see FIG. 6) can control the operation of the heater (250) based on the temperature of the water detected by the temperature sensor (271). For example, if the temperature of the water in the hot water tank (201) is out of a predetermined range, the operation of the heater (250) can be stopped. For example, if the temperature of the water in the hot water tank (201) is out of a reference temperature, the operation of the heater (250) can be stopped. For example, if the temperature of the hot water tank (201) is out of 60 degrees, the operation of the heater (250) can be stopped.
- the control unit (273) can control the operation of the heater (250) based on the water level of the hot water tank (201) detected by the water level sensor (272). For example, if the water level sensor (272) determines that the hot water tank (201) is not filled with water, the control unit (273) can not operate the heater (250). Through this, it is possible to prevent overheating of the heater (250), which may occur when the heater (250) operates while the hot water tank (201) is not filled with water.
- the heating module (200) may further include a power cutoff unit (232) to prevent overheating of the heater (250).
- the power cutoff unit (232) may cut off power supplied to the heater (250) when the heater (250) rises above a predetermined temperature.
- the power cutoff unit (232) may include a bimetal whose shape changes depending on the temperature of the heater (250).
- the power cutoff unit (232) may physically cut off power transmitted to the heater (250) by changing the shape of the bimetal depending on the temperature of the heater (250).
- the heating module (200) is described with an example that includes all of the temperature sensor (271), the water level sensor (272), and the power cutoff unit (232), but is not necessarily limited thereto.
- the heating module (200) may omit some of the temperature sensor (271), the water level sensor (272), and the power cutoff unit (232), if necessary.
- water stored in the hot water tank (201) of the heating module (200) is heated by the heater (250).
- the pump (160) operates in this state, the heated water can be sprayed by the spray unit (140) through the outlet (203) and the fourth water supply pipe (174).
- the temperature of the water sprayed in the latter half of the spray may be lower than the temperature of the water sprayed in the beginning of the spray.
- the temperature difference of the water may be 10 degrees or more.
- the heating module (200) may include a channel structure (260) that guides the movement path of the water inside the hot water tank (201).
- Fig. 11 is a cross-section of a heating module (200) according to an embodiment cut in a horizontal direction.
- Fig. 12 is a drawing for explaining the process of water inflow, water heating, and water discharge in a hot water tank (201) according to an embodiment.
- Figs. 13a and 13b are drawings for explaining a modified example of a filter structure (221A, 221B) in the heating module (200) of Fig. 11.
- the channel structure (260) can be configured so that the low-temperature water (LW) and the high-temperature water (HW) do not mix immediately.
- the channel structure (260) can delay the time for the low-temperature water (LW) and the high-temperature water (HW) to mix.
- the channel structure (260) can reduce the contact area between the low-temperature water (LW) and the high-temperature water (HW).
- the channel structure (260) may include a plurality of channels (CH) arranged parallel to each other.
- Each of the plurality of channels (CH) may extend in a first direction and be arranged along a second direction that is perpendicular to the first direction.
- the plurality of channels (CH) may extend in a width direction of the hot water tank (201) and be arranged in a length direction of the hot water tank (201).
- the width (W1) of each of the plurality of channels (CH) may be smaller than the width (W0) of the hot water tank (201).
- the channel (CH) can be connected to an adjacent channel (CH).
- the adjacent channels (CH) can be connected so that water can move in a predetermined direction.
- the channel (CH) can have an end connected to the adjacent channel (CH).
- the channel structure (260) can have a channel (CH) that meanders from the inlet (202) toward the outlet (203).
- a channel structure (260) may be provided in the upper case (220).
- the channel structure (260) may have a shape protruding from the inner surface of the upper case (220).
- the channel structure (260) may include at least one channel wall (261) forming a channel (CH) through which water introduced through the inlet (202) moves toward the outlet (203).
- the channel wall (261) may extend in a vertical direction.
- the channel wall (261) may extend toward the heater (250).
- the channel wall (261) may extend from the upper portion of the inner surface of the upper case (220) toward the lower portion.
- the number of channel walls (261) may be plural.
- the number of channel walls (261) may be arranged parallel in the length direction of the hot water tank (201).
- the number of channel walls (261) may be arranged parallel in the width direction perpendicular to the length direction of the hot water tank (201).
- the number of channel walls (261) may be arranged alternately with each other.
- the number of channel walls (261) is not necessarily limited to plural, and may be a single number.
- low-temperature water (LW) stored in the water tank (150) flows into the inlet (202) of the hot water tank (201) through the first water supply pipe (171) and the third water supply pipe (173), and high-temperature water (HW) stored in the hot water tank (201) is discharged through the outlet (203).
- the high-temperature water (HW) discharged through the outlet (203) of the hot water tank (201) passes through the fourth water supply pipe (174) and is sprayed through the spray unit (140).
- low-temperature water (LW) flows into the interior of the hot water tank (201) through the inlet (202).
- the heater (250) may operate to heat the low-temperature water (LW).
- the low-temperature water (LW) flowing into the interior of the hot water tank (201) may be heated and converted into high-temperature water (HW).
- the interior of the hot water tank (201) may be filled with high-temperature water (HW).
- the high temperature water (HW) filled in the hot water tank (201) is discharged through the outlet (203) as shown in Fig. 12c.
- the water filled in the channel (CH) adjacent to the outlet (203) is discharged first through the outlet (203).
- the low temperature water (LW) is introduced through the inlet (202).
- the introduced low temperature water (LW) is mixed with the high temperature water (HW) inside the hot water tank (201), but since the contact area is limited by the width of the channel (CH), the time for the low temperature water (LW) and the high temperature water (HW) to mix may be delayed.
- the temperature drop of the sprayed high temperature water (HW) can be minimized.
- the temperature difference between them may not be large.
- the temperature difference between them may be within 10% of the temperature of the high temperature water (HW) filled in the first location (P1).
- the temperature of the high temperature water (HW) filled in the second location (P2) may be 55 degrees.
- the temperature of the water sprayed by the spray unit (140) can be kept constant at a high temperature.
- the temperature deviation of the water sprayed by the spray unit (140) can be within 10% of the maximum temperature.
- the initial temperature is 60 degrees (°C)
- the latter temperature can be 55 degrees (°C).
- the temperature deviation is 5 degrees (°C), which can be within 10% of 60 degrees (°C).
- a filter structure (221) may be provided inside the hot water tank (201) to block foreign substances generated during the process of heating water from moving to the outlet (203). For example, limestone may be generated during the process of heating water.
- the filter structure (221) can filter out limestone generated during the process of heating water. Through this, the phenomenon of the injection unit (140) being blocked by foreign substances such as limestone can be prevented.
- the filter structure (221) may have a structure surrounding the outlet (203).
- the filter structure (221) may include a plurality of ribs (2210) arranged at a predetermined interval.
- the plurality of ribs (2210) may be spaced apart along the circumferential direction.
- the shape of the filter structure (221) is not limited thereto, and may be variously modified depending on the position of the outlet (203), the flow of the fluid, etc.
- the filter structures (221A, 221B) may have a plurality of ribs (2210) arranged in a semicircular shape, a straight shape, etc. so as to be arranged on a movement path toward the outlet (203).
- Fig. 14 is a cross-sectional view of a heating module (200) according to an embodiment cut in an up-down direction.
- Fig. 14 shows an enlarged view of a portion of the heating module (200).
- the channel structure (260) may be spaced apart from the heater (250). In other words, the channel structure (260) and the heater (250) may not be in contact.
- the channel structure (260) may be spaced apart from the heater (250) in the vertical direction.
- the lower end of the channel wall (261) of the channel structure (260) may be spaced apart from the heater (250). Since the surface of the heater (250) is considerably hot, if the channel structure (260) comes into contact with the surface of the heater (250), the channel structure (260) may be damaged or deformed. In contrast, if the heater (250) and the channel structure (260) are spaced apart from each other, a problem that occurs when the channel structure (260) comes into contact with the heater (250) can be eliminated.
- the gap (G) between the channel structure (260) and the heater (250) may be small.
- the gap (G) between the channel structure (260) and the heater (250) may be 0.5 mm to 1 mm.
- bubbles may exist in the hot water tank (201).
- bubbles may be introduced during the process of water flowing into the hot water tank (201), or gas contained in the water may rise during the process of water heating, thereby forming bubbles.
- the bubbles may be located at the upper portion of the hot water tank (201). If these bubbles are around the temperature sensor (271), they may cause a measurement error of the temperature sensor (271). In addition, if these bubbles intermittently move to the outlet (203), the spray quality may be deteriorated, such as water not being continuously sprayed from the spray unit (140).
- the upper surface (2601) of the channel structure (260) may have a different height.
- the upper surface (2601) of the channel structure (260) may increase in height along the path through which water moves.
- the upper surface (2601) of the channel structure (260) may have a predetermined inclination ( ⁇ ) with respect to the horizontal direction.
- the upper surface (2601) of the channel structure (260) may be inclined toward the outlet (203).
- the upper surface (2601) of the channel structure (260) may increase in height as it approaches the outlet (203).
- the height of the upper surface of the plurality of channels (CH) may increase along the path through which water moves.
- the upper surface (2601) of the channel structure (260) may be entirely inclined toward the outlet (203), but is not limited thereto, and may also be partially inclined toward the outlet (203).
- the bubbles in the hot water tank (201) can be induced to move toward the outlet (203), and the bubbles that have moved toward the outlet (203) can be induced to gather around the outlet (203).
- the injection unit (140) can discharge the bubbles all at once, thereby reducing the phenomenon in which the injection unit (140) intermittently sprays the bubbles.
- the heating module (200) may be powered by the battery (80).
- a wire (43) arranged in the extension tube (40) may be electrically connected to the mop brush head (100).
- the heating module (200) and the battery (80) may be electrically connected by the wire (43), the control unit (273), and the second wire (233).
- the wire (43) placed in the extension tube (40) may have a diameter smaller than a predetermined size so that it can be bent, taking into account the length adjustment of the extension tube (40).
- the current or power that can flow through the wire (43) may vary.
- the wire (43) according to the embodiment may have an allowable current of 4.5 A or less.
- the usage current or power consumption of the heating module (200) of the mop brush head (100) may be less than a predetermined size.
- the usage current of the mop brush head (100) according to the embodiment may be less than 4.5 A.
- the usage current of the mop brush head (100) may include at least one of a current for rotating the mop (123), a current for operating the heater (250), and a current for operating the pump (160).
- the sum of the current for rotating the mop (123), the current for operating the heater (250), and the current for operating the pump (160) may be greater than the usage current of the mop brush head (100).
- the current for rotating the mop (123) is 1.5 A or less
- the current for operating the heater (250) is 3 A or less
- the current for operating the pump (160) is 0.5 A or less
- the maximum value of their sum may be 5 A.
- the heater (250) and the pump (160) can be operated at different times. In other words, the heater (250) and the pump (160) can be operated sequentially.
- the control unit (273) first operates the heater (250) to heat the water in the hot water tank (201). Thereafter, the control unit (273) can stop the operation of the heater (250) and operate the pump (160) to spray the heated high-temperature water.
- the heated high-temperature water is discharged from the hot water tank (201) and the unheated low-temperature water is introduced. Even if the low-temperature water flows into the hot water tank (201), the temperature of the water in the hot water tank (201) can be prevented from rapidly decreasing because the width of the channel (CH) is narrow. Accordingly, the water sprayed by the spray unit (140) can exhibit almost no temperature difference between the beginning and the end of the spray.
- the channel (CH) of the channel structure (260) extends in a direction perpendicular to the longitudinal direction of the hot water tank (201), and an example in which a plurality of channels (CH) are arranged along the longitudinal direction of the hot water tank (201) has been described.
- the shape of the channel structure (260) is not limited thereto and may be modified in various ways.
- Fig. 15 is a perspective view showing an example of a heating module (200A) according to one embodiment
- Fig. 16 is a cross-sectional view of the heating module (200A) of Fig. 15 cut in a horizontal direction
- Fig. 17 is a cross-sectional view of the heating module (200A) of Fig. 15 cut in a vertical direction
- Fig. 18 is a cross-sectional view of the heating module (200B) of one embodiment cut in a vertical direction.
- a heating module (200A) may include a channel structure (260A).
- Other configurations of the heating module (200A) are substantially the same as those of the heating module (200) of the above-described embodiment, and therefore, a duplicate description is omitted.
- the channel structure (260A) includes a plurality of channels (CH) extending along the length direction of the hot water tank (201), and the plurality of channels (CH) can be arranged in the width direction of the hot water tank (201).
- the plurality of channels (CH) can be connected to each other so that water introduced through the inlet (202) moves toward the outlet (203).
- a channel structure (260A) may be provided in an upper case (220A) of a heating module (200A).
- An upper surface (2601A) of the channel structure (260A) may become higher as it approaches the outlet (203).
- the upper surface (2601A) of the channel structure (260A) may become higher along the direction of movement of water in the channel (CH). Accordingly, air bubbles in the hot water tank (201) may move toward the outlet (203) along the inclined upper surface (2601A) of the channel structure (260A).
- the shape of the upper surface (2601A) of the channel structure (260A) is not limited thereto and may vary depending on the arrangement of the outlet (203) and the inlet (202). Referring to FIG. 18, in the upper case (220B) of the heating module (200B) according to the embodiment, the outlet (203) may be arranged in the center, not the end, of the hot water tank (201). When the outlet (203) is arranged in the center of the hot water tank (201), the upper surface (2601B) of the channel structure (260B) may have a height that increases toward the center.
- the cleaner according to the embodiment is not necessarily limited thereto.
- the cleaner (1) according to the embodiment may be a mop cleaner in which the mop brush head (100) is not detachable.
- the cleaner (1) according to the embodiment may include a mop brush head (100), and the main body (20) may be of a type that does not provide suction power.
- a cleaner and a mop brush head can be provided that can quickly clean a surface to be cleaned by spraying high-temperature water onto the surface to be cleaned.
- a cleaner and a mop brush head can be provided that can quickly clean a surface to be cleaned by spraying high-temperature water with a small temperature difference.
- a vacuum cleaner and a mop brush head capable of quickly cleaning a surface with water by being powered by a battery can be provided.
- the above mop brush head may include: a head body; a detachable mop attachable to the head body so as to be positioned at a lower portion of the head body so as to come into contact with a surface to be cleaned; a spraying unit configured to spray water toward a surface to be cleaned; a water tank mounted on the head body and configured to store water; a hot water tank including a channel structure (260) having an inlet for introducing water stored in the water tank, an outlet for introducing water to the spraying unit, and a plurality of channels provided inside such that water introduced from the inlet moves toward the outlet along a predetermined path; and a heater configured to heat water inside the hot water tank.
- a channel structure 260
- the above hot water tank, the channel structure, and the heater may be configured such that water in the hot water tank heated by the heater moves along a set path through the plurality of channels of the channel structure, and a temperature difference of water sprayed by the spraying unit is within 10% of the maximum temperature of the sprayed water.
- the above plurality of channels are parallel to each other, and adjacent channels among the above plurality of channels can be connected to each other.
- the width of each of the plurality of channels may be smaller than the width of the hot water tank.
- the above channel structure includes a channel wall extending in a vertical direction, and a lower end of the channel wall can be spaced apart from the heater.
- the upper surface of the above channel structure may have a different height in order to induce gas movement inside the hot water tank.
- Each of said plurality of channels may have an upper surface height that is increased along at least a portion of a path along which water moves from said inlet to said outlet in said hot water tank.
- the above mop brush head may include a lower case supporting the heater, an upper case coupled to the lower case with the heater interposed therebetween, and a gasket disposed between the lower case and the upper case to seal between the lower case and the upper case.
- the above heater may have a top surface in the form of a flat plate.
- the above mop brush head may include at least one of a temperature sensor configured to measure the temperature of water in the hot water tank, a water level sensor configured to measure the height of water in the hot water tank, and a power cutoff unit selectively cutting off power supplied to the heater depending on the temperature of the heater.
- the above cleaner may further include a main body, a battery disposed in the main body, an extension pipe configured to connect the main body and the mop brush head, and a wire at least part of which is disposed in the extension pipe and configured to transmit power from the battery to the heater of the mop brush head.
- the above extension tube has a structure in which the length can be adjusted, and the wire can have a permissible current of 5 A or less.
- a pump configured to provide pressure for moving water from the water tank to the injection unit; wherein the pump and the heater can be operated at different times.
- a filter structure may be provided, which is arranged inside the hot water tank and is configured to block foreign substances generated during the process of heating water in the hot water tank from moving to the outlet.
- a mop brush head used in a vacuum cleaner comprising: a head body; a mop attachable to the head body so as to be placed at a lower portion of the head body so as to come into contact with a surface to be cleaned and detachable; a spraying unit configured to spray water toward the surface to be cleaned; a water tank mounted on the head body and configured to store water; a hot water tank including a channel structure (260) having an inlet for introducing water stored in the water tank, an outlet for introducing water to the spraying unit, and a plurality of channels provided inside for allowing water introduced from the inlet to move toward the outlet along a predetermined path; and a heater configured to heat water inside the hot water tank.
- a channel structure 260
- the vacuum cleaner and mop brush head according to the embodiment can quickly clean the surface to be cleaned by spraying high-temperature water onto the surface to be cleaned.
- the vacuum cleaner and mop brush head according to the embodiment can quickly clean a surface to be cleaned by spraying high-temperature water with a small temperature difference.
- the vacuum cleaner and mop brush head according to the embodiment are powered by a battery and can quickly clean the surface to be cleaned with water.
Landscapes
- Electric Vacuum Cleaner (AREA)
Abstract
Description
Claims (15)
- 물걸레 브러시 헤드(100)를 포함하는 청소기(1)로서,상기 물걸레 브러시 헤드(100)는,헤드 본체(110);피청소면과 접촉하도록 상기 헤드 본체의 하부에 배치되도록 상기 헤드 본체에 부착 가능하며, 탈거 가능한 물걸레(123);피청소면을 향해 물을 분사하도록 구성된 분사부(140); 상기 헤드 본체에 장착되며, 물을 저장하도록 구성된 물 탱크(150);상기 물 탱크에 저장된 물이 유입되는 유입구(202)와 상기 분사부로 물이 유출되는 유출구(203) 및 상기 유입구에서 유입된 물이 정해진 경로를 따라 상기 유출구를 향해 이동하도록 내부에 마련된 복수의 채널을 가지는 채널 구조물(260)을 포함하는 온수 탱크(201); 및상기 온수 탱크 내부의 물을 가열하도록 구성된 히터(250)를 포함하는, 청소기.
- 제1항에 있어서,상기 온수 탱크, 상기 채널 구조물 및 상기 히터는, 상기 히터에 의해 가열된 상기 온수 탱크의 물이 상기 채널 구조물의 상기 복수의 채널을 통해 정해진 경로를 따라 이동하며, 상기 분사부에 의해 분사된 물의 온도 차이는 분사된 물의 최대 온도의 10% 이내가 되도록 구성된, 청소기.
- 제1항 또는 제2항에 있어서,상기 복수의 채널은 서로 평행하며,상기 복수의 채널 중 인접한 채널은 서로 연결된, 청소기.
- 제3항에 있어서,상기 복수의 채널 각각의 폭(W1)은 상기 온수 탱크의 폭(W0)보다 작은, 청소기.
- 제1항 내지 제4항 중 어느 한 항에 있어서,상기 채널 구조물은 상하 방향으로 연장된 채널벽(261)을 포함하며,상기 채널벽의 하단은 상기 히터로부터 이격된, 청소기.
- 제1항 내지 제5항 중 어느 한 항에 있어서,상기 채널 구조물의 상면(2601)은, 상기 온수 탱크 내부의 기체 이동을 유도하기 위하여, 그 높이가 달라지는, 청소기.
- 제3항에 있어서,상기 복수의 채널 각각은 상기 온수 탱크에서 상기 유입구에서 상기 유출구로 이동하는 물이 이동하는 유로의 적어도 일부를 따라 상면의 높이가 높아지는, 청소기.
- 제1항 내지 제7항 중 어느 한 항에 있어서,상기 물걸레 브러시 헤드는,상기 히터를 지지하는 하부 케이스(230)와,상기 히터를 사이에 두고, 상기 하부 케이스와 결합되는 상부 케이스(220)와,상기 하부 케이스와 상부 케이스 사이를 밀봉하도록 상기 하부 케이스와 상기 상부 케이스 사이에 배치된 가스켓(240)을 더 포함하는, 청소기.
- 제1항 내지 제8항 중 어느 한 항에 있어서,상기 히터는 평판 형태의 상부면을 가지는, 청소기.
- 제1항 내지 제9항 중 어느 한 항에 있어서,상기 물걸레 브러시 헤드는, 상기 온수 탱크 내의 물의 온도를 측정하도록 구성된 온도 센서(271), 상기 온수 탱크 내의 물의 높이를 측정하도록 구성된 수위 센서(272) 및 상기 히터의 온도에 따라 상기 히터로 공급되는 전력을 선택적으로 차단하는 전원 차단부(232) 중 적어도 하나를 포함하는, 청소기.
- 제1항 내지 제10항 중 어느 한 항에 있어서,상기 청소기는,본체(20)와,상기 본체에 배치된 배터리(80)와,상기 본체와 상기 물걸레 브러시 헤드를 연결하도록 마련된 연장관(40)과,적어도 일부가 상기 연장관에 배치되며, 상기 배터리의 전원을 상기 물걸레 브러시 헤드의 상기 히터로 전달하기 위한 전선(43)을 더 포함하는, 청소기.
- 제11항에 있어서,상기 연장관은 길이 조절이 가능한 구조를 가지며,상기 전선은 허용 전류가 5 A(암페어) 이하인, 청소기.
- 제1항 내지 제12항 중 어느 한 항에 있어서,상기 물 탱크에서 분사부까지 물이 이동하기 위한 압력을 제공하도록 구성된 펌프(160);를 더 포함하며,상기 펌프와 상기 히터는 시기를 달리하여 작동되는, 청소기.
- 제1항 내지 제13항 중 어느 한 항에 있어서,상기 온수 탱크의 내부에 배치되며, 상기 온수 탱크에서 물이 가열되는 과정에서 발생하는 이물질이 유출구로 이동하는 것을 차단하도록 구성된 필터 구조물(221)이 마련된, 청소기.
- 청소기에 사용되는 물걸레 브러시 헤드로서,헤드 본체;피청소면과 접촉하도록 상기 헤드 본체의 하부에 배치되도록 상기 헤드 본체에 부착 가능하며, 탈거 가능한 물걸레;피청소면을 향해 물을 분사하도록 구성된 분사부;상기 헤드 본체에 장착되며, 물을 저장하도록 구성된 물 탱크;상기 물 탱크에 저장된 물이 유입되는 유입구와 상기 분사부로 물이 유출되는 유출구 및 상기 유입구에서 유입된 물이 정해진 경로를 따라 상기 유출구를 향해 이동하도록 내부에 마련된 복수의 채널을 가지는 채널 구조물(260)을 포함하는 온수 탱크; 및상기 온수 탱크의 내부의 물을 가열하도록 구성된 히터를 포함하는, 청소기의 물걸레 브러시 헤드.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP24780991.6A EP4631412A4 (en) | 2023-03-24 | 2024-01-24 | CLEANING DEVICE AND WET MOP BRUSH HEAD USED HEREIN |
| US18/435,163 US20240315519A1 (en) | 2023-03-24 | 2024-02-07 | Cleaner and mop brush head |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2023-0039301 | 2023-03-24 | ||
| KR20230039301 | 2023-03-24 | ||
| KR10-2023-0049576 | 2023-04-14 | ||
| KR1020230049576A KR20240143566A (ko) | 2023-03-24 | 2023-04-14 | 청소기 및 이에 사용되는 물걸레 브러시 헤드 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US18/435,163 Continuation US20240315519A1 (en) | 2023-03-24 | 2024-02-07 | Cleaner and mop brush head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2024204996A1 true WO2024204996A1 (ko) | 2024-10-03 |
Family
ID=92907013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2024/001133 Ceased WO2024204996A1 (ko) | 2023-03-24 | 2024-01-24 | 청소기 및 이에 사용되는 물걸레 브러시 헤드 |
Country Status (1)
| Country | Link |
|---|---|
| WO (1) | WO2024204996A1 (ko) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200341549Y1 (ko) * | 2003-11-28 | 2004-02-14 | 주식회사 세호무역 | 스팀 청소기용 물탱크 |
| JP3108311U (ja) * | 2004-10-20 | 2005-04-14 | 謀燦 蔡 | 蒸気式モップ |
| KR20120026794A (ko) * | 2010-09-10 | 2012-03-20 | 주식회사 한경희생활과학 | 스팀청소기 |
| KR20150116311A (ko) * | 2014-04-07 | 2015-10-15 | 노승환 | 물 청소기 |
| KR20230017096A (ko) * | 2021-07-27 | 2023-02-03 | 엘지전자 주식회사 | 청소기의 물걸레 모듈 |
-
2024
- 2024-01-24 WO PCT/KR2024/001133 patent/WO2024204996A1/ko not_active Ceased
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR200341549Y1 (ko) * | 2003-11-28 | 2004-02-14 | 주식회사 세호무역 | 스팀 청소기용 물탱크 |
| JP3108311U (ja) * | 2004-10-20 | 2005-04-14 | 謀燦 蔡 | 蒸気式モップ |
| KR20120026794A (ko) * | 2010-09-10 | 2012-03-20 | 주식회사 한경희생활과학 | 스팀청소기 |
| KR20150116311A (ko) * | 2014-04-07 | 2015-10-15 | 노승환 | 물 청소기 |
| KR20230017096A (ko) * | 2021-07-27 | 2023-02-03 | 엘지전자 주식회사 | 청소기의 물걸레 모듈 |
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