WO2022247949A1 - 洗干一体机 - Google Patents

洗干一体机 Download PDF

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Publication number
WO2022247949A1
WO2022247949A1 PCT/CN2022/095851 CN2022095851W WO2022247949A1 WO 2022247949 A1 WO2022247949 A1 WO 2022247949A1 CN 2022095851 W CN2022095851 W CN 2022095851W WO 2022247949 A1 WO2022247949 A1 WO 2022247949A1
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WO
WIPO (PCT)
Prior art keywords
cooler
heater
flange
drain
circulation path
Prior art date
Application number
PCT/CN2022/095851
Other languages
English (en)
French (fr)
Inventor
辻贵裕
冈崎纯也
塚本智幸
福井秋陆
Original Assignee
青岛海尔洗衣机有限公司
Aqua株式会社
海尔智家股份有限公司
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 青岛海尔洗衣机有限公司, Aqua株式会社, 海尔智家股份有限公司 filed Critical 青岛海尔洗衣机有限公司
Publication of WO2022247949A1 publication Critical patent/WO2022247949A1/zh

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/24—Condensing arrangements

Definitions

  • the invention relates to an integrated washing and drying machine.
  • the following patent document 1 describes a washing and drying integrated machine, which is equipped with: an air circulation path, which has a take-out port and a return port connected to the outer cylinder; The air is circulated in the circulation path and returned from the return port to the outer cylinder; and the heat exchanger is provided in the air circulation path to exchange heat between the refrigerant and the air in the air circulation path.
  • the air circulation path includes an intermediate portion extending in the front-rear direction at a position higher than the outer tub.
  • the heat exchanger includes: a first heat exchanger on the heating side, which is arranged on the downstream side of the rotating blade of the air blowing part in the middle; and a second heat exchanger on the cooling side, which is arranged on the first heat exchanger. downstream side of .
  • the first heat exchanger and the second heat exchanger are arranged in a front-rear direction.
  • High-temperature refrigerant flows through the first heat exchanger.
  • the air passing through the first heat exchanger is heated by exchanging heat with the refrigerant to become hot air.
  • Low-temperature refrigerant flows in the second heat exchanger.
  • the air containing moisture evaporated from the laundry is cooled and dehumidified by exchanging heat with the refrigerant while passing through the second heat exchanger.
  • the following structure can be adopted: the positions of the first heat exchanger as a heater and the second heat exchanger as a cooler are exchanged, and the second heat exchanger is arranged on the first heat exchanger. The upstream side of the heat exchanger, whereby the air dehumidified by the second heat exchanger is heated by the first heat exchanger.
  • the second heat exchanger and the first heat exchanger are arranged in the above order on the downstream side of the blower unit, so the strong air blown from the blower unit, that is, hot air, easily passes through the second heat exchanger. heat exchanger.
  • the air from the blower passes not only between the heat radiation fins but also between the second heat exchanger and the bottom surface of the air circulation path.
  • the air path resistance between the second heat exchanger and the bottom surface of the air circulation path is smaller than the air path resistance between the cooling fins, and the wind force of the passing air is not easily weakened.
  • the water that condenses on the heat radiation fins of the second heat exchanger due to heat exchange with the air moves downward along the heat radiation fins and falls to the bottom surface of the air circulation path.
  • the water existing on the bottom surface of the cooler and the bottom surface of the air circulation path splashes to the downstream side due to the air flowing between the cooler and the bottom surface of the air circulation path, and the splashed water may adhere to the first heat exchanger and hinder heating.
  • Patent Document 1 Japanese Patent Laid-Open No. 2021-23720
  • the present application was made in view of this problem, and an object of the present invention is to provide an all-in-one washer-dryer capable of preventing the condensed water generated in the cooler from adhering to the heater.
  • the washing and drying integrated machine includes: an outer cylinder arranged in the box; a washing tub arranged in the outer cylinder to accommodate washing; a circulation path connected to the outer cylinder; an air blower arranged in In the circulation path, air is circulated between the outer cylinder and the circulation path; a cooler is used to cool and dehumidify the air flowing through the circulation path; and a heater is to convect the air flowing through the circulation path.
  • the air in the road is heated.
  • the circulation path includes a duct in which the cooler and the heater are disposed on the downstream side of the position where the air blower is disposed so that the cooler is located on the upstream side of the heater. device.
  • a protective wall part is provided inside the duct, and the protective wall part extends along the bottom surface wall of the duct in a direction perpendicular to the air flow in the duct, starting from the downstream side of the cooler and The gap between the cooler and the bottom wall overlaps.
  • a flange portion protruding toward the cooler side and in contact with the cooler is formed on the protective wall portion.
  • the water splashed downstream by the air flowing between the cooler and the bottom wall is blocked by the protective wall. Also, water splashed upward by air blown upward along the protective wall portion is blocked by the flange portion. This prevents condensed water generated by the cooler from entering the area where the heater is disposed and adhering to the heater, thereby preventing heating by the heater from being hindered.
  • the protective wall may have a structure including ribs protruding from the bottom wall and a cover covering the ribs from above.
  • the flange portion may be formed on the cover portion.
  • the protective wall portion having the flange portion can be easily formed in the duct.
  • the flange part may be formed of elastic material.
  • the flange portion easily comes into strong contact with the cooler through elastic deformation. Thereby, the water splashed upward is hard to leak upward beyond the flange part.
  • the flange part may adopt the following structure: it includes a first flange and a second flange, and the second flange is arranged on the first flange, which is larger than the first flange.
  • the first flange protrudes short.
  • the flange portion has a double structure vertically formed by the first flange and the second flange, water is less likely to leak upward from the flange portion. Furthermore, the second flange protrudes less than the first flange, and is less likely to come into strong contact with the cooler than the first flange, so that the entire flange portion is less likely to cause resistance to the cooler when the cooler is placed in the duct. , not easy to interfere with the configuration.
  • a drain recess having a drain port may be formed on the bottom wall downstream of the protective wall and upstream of the heater.
  • a drainage groove may be formed on the upstream side of the drainage concave portion, inclined downward toward the drainage concave portion and connected to the drainage concave portion.
  • the water blocked by the protective wall portion and other water falling on the bottom wall can flow together through the drain groove to the drain recess and be discharged from the discharge port.
  • a drain part for draining water entering the arrangement area may be provided on the bottom wall in the arrangement area of the heater.
  • an all-in-one washer-dryer capable of preventing condensed water generated in the cooler from adhering to the heater.
  • Fig. 1 is a side cross-sectional view schematically showing the structure of an all-in-one washer-dryer according to an embodiment.
  • FIG. 2 (a) is a perspective view of an outer cylinder with a drying device attached thereto viewed from the upper rear according to an embodiment, and (b) is a perspective view of a main part of the outer cylinder showing the periphery of an exhaust port according to an embodiment. .
  • FIG 3 is a plan view of a second duct in a state where a cooler and a heater are arranged according to the embodiment, with the upper case removed.
  • FIG 4 is a cross-sectional view of the second duct in which the cooler and the heater are arranged according to the embodiment, taken along the front-rear direction at the position of the drainage recess.
  • FIG. 5 (a) and (b) are perspective views of a cooler and a heater according to the embodiment, respectively.
  • Fig. 6 is a perspective view of the lower case of the embodiment.
  • FIG. 7 is a perspective cross-sectional view of the lower case from which the gasket has been removed according to the embodiment, taken in front of a cooler placement region.
  • FIG. 8 (a) is a perspective view of the gasket according to the embodiment viewed from the upper rear, (b) is a front sectional view of the gasket according to the embodiment, and Fig. 8(c) is a side sectional view of the gasket according to the embodiment.
  • Fig. 9 is a diagram schematically showing the periphery of a protective wall portion in a second duct according to the embodiment.
  • FIG. 1 is a side sectional view schematically showing the structure of the washer-dryer 1 .
  • (a) of FIG. 2 is a perspective view of the outer cylinder 20 to which the drying device 100 is attached viewed from the upper rear.
  • (b) of FIG. 2 is a perspective view of main parts of the outer cylinder 20 showing the periphery of the exhaust port 203 .
  • the all-in-one washer-dryer 1 of this embodiment is a so-called drum-type all-in-one washer-dryer.
  • the washer-dryer 1 includes a rectangular parallelepiped housing 10 .
  • a circular inlet 11 into which laundry is injected is formed on the front surface of the housing 10 .
  • the inlet 11 is covered with a freely openable door 12 .
  • the outer cylinder 20 is elastically supported by a plurality of dampers 21 and springs 22 .
  • the outer cylinder 20 has a cylindrical peripheral wall 201 and a disk-shaped rear wall 202 .
  • a drum 23 is rotatably arranged inside the outer cylinder 20 .
  • the drum 23 rotates about a horizontal axis L. As shown in FIG.
  • the drum 23 has a circular opening 23a on the front surface.
  • the outer cylinder 20 has a circular opening 20 a in front of the opening 23 a of the drum 23 .
  • the peripheral wall of the drum 23 is formed with many dehydration holes 23b. Moreover, in the drum 23, the lifting rib 24 for lifting laundry is provided in the peripheral surface wall. Drum 23 corresponds to the washing tub of the present invention.
  • Drive motor 30 for generating torque for rotating drum 23 is disposed behind outer cylinder 20 .
  • the drive motor 30 is, for example, an outer rotor type DC brushless motor.
  • the driving motor 30 rotates the drum 23 at a rotational speed at which the centrifugal force applied to the laundry in the drum 23 is smaller than the gravity and the laundry will tumble during the washing process and the rinsing process.
  • the drive motor 30 rotates the drum 23 at a rotational speed at which the centrifugal force applied to the laundry in the drum 23 is much greater than gravity and the laundry sticks to the peripheral wall of the drum 23 during the dehydration process.
  • a drain port 20b is formed at the bottom of the outer cylinder 20 .
  • a drain passage 40 composed of a drain hose or the like is connected to the drain port 20b.
  • a drain valve 41 and a drain filter 42 are provided in the drain path 40 .
  • the drain valve 41 includes, for example, a valve body and a torque motor that opens and closes the valve body. When the drain valve 41 is opened, the water stored in the outer cylinder 20 is discharged out of the machine through the drain 40 . Foreign substances such as lint contained in the drainage are captured by the drainage filter 42 .
  • the water supply part 50 is arrange
  • the water supply unit 50 includes a first water supply valve 51 , a second water supply valve 52 , a first water supply hose 53 , and a second water supply hose 54 .
  • the first water supply valve 51 and the second water supply valve 52 are composed of double solenoid valves.
  • One end of the first water supply hose 53 is connected to the first water supply valve 51 , and the other end is connected to the water injection port 20 c provided on the rear wall 202 of the outer cylinder 20 .
  • One end of the second water supply hose 54 is connected with the second water supply valve 52, and the other end is connected with the water supply channel 160.
  • first water supply valve 51 When the first water supply valve 51 is opened, tap water from the faucet flows through the first water supply hose 53 and is supplied into the outer cylinder 20 from the water filling port 20c.
  • second water supply valve 52 When the second water supply valve 52 is opened, tap water is supplied to the water supply channel 160 through the second water supply hose 54 .
  • a drying device 100 for drying the laundry in the drum 23 is disposed on the upper portion of the cabinet 10 .
  • the drying device 100 includes a circulation path 110 , an air blower 120 , a cooler 130 , a heater 140 , a drying filter 150 , a water supply path 160 , and a wiping mechanism 170 .
  • the circulation path 110 is an air path through which air flows, and is connected to the outer cylinder 20 .
  • the circulation path 110 includes: a first duct 111 , a fan casing 112 , a second duct 113 and an introduction pipe 114 .
  • an exhaust port 203 is provided at the rear portion of the peripheral wall 201 of the outer cylinder 20 and at a portion above the center of the outer cylinder 20 .
  • the exhaust port 203 has a rounded rectangle that is long in the front-rear direction, that is, in the axial direction of the outer cylinder 20 .
  • the first duct 111 is disposed on the peripheral wall 201 at the rear of the outer cylinder 20 and is connected to the exhaust port 203, from the exhaust port 203 along the peripheral wall 201 to the top side of the peripheral wall 201. extend.
  • the fan case 112 is arranged above the peripheral wall 201 at the rear of the outer tube 20 and above the first duct 111 on the right side of the top of the peripheral wall 201 .
  • the fan case 112 is formed in a flat hollow cylindrical shape, has a suction port on the lower surface, and has a discharge port on the peripheral surface.
  • the first pipe 111 is connected to the suction port of the fan casing 112 via a flexible connection hose 115 .
  • the second duct 113 has a substantially rectangular parallelepiped box shape long in the front-rear direction, and is disposed above the peripheral wall 201 and in front of the fan case 112 .
  • the rear end of the second duct 113 is connected to the outlet of the fan casing 112 .
  • the introduction pipe 114 extends from the front end of the second duct 113 and is connected to the suction port 204 formed in the upper front portion of the outer cylinder 20 .
  • the introduction pipe 114 is comprised of the 1st pipe 114a integrally formed with the 2nd duct 113, and the 2nd pipe 114b connected between the 1st pipe 114a and the suction port 204. As shown in FIG.
  • a drain hose 116 for draining water condensed from the air by the cooler 130 .
  • the drain hose 116 is connected to the outer cylinder 20 via a connection hose not shown. It should be noted that the second pipeline 113 is equivalent to the pipeline of the present invention.
  • the air blower 120 is, for example, a centrifugal fan, and includes a fan 121 accommodated in the fan casing 112 and a motor 122 for rotating the fan of the fan 121 .
  • the air blower 120 circulates air between the outer cylinder 20 and the circulation path 110.
  • the air discharged from the outer cylinder 20 through the exhaust port 203 flows through the circulation path 110 in the order of the first duct 111 , the fan housing 112 , the second duct 113 , and the introduction pipe 114 , and returns to the outer cylinder through the suction port 204 within 20.
  • An air blowing unit is constituted by the air blower 120 and the fan case 112 .
  • the cooler 130 and the heater 140 are respectively arranged on the upstream side and the downstream side in the second duct 113 .
  • the cooler 130 and the heater 140 are respectively constituted by an evaporator and a condenser included in the heat pump device.
  • the heat pump device includes a compressor, an expansion valve, etc. that form a cold and hot circuit together with an evaporator and a condenser.
  • Low-temperature refrigerant flows inside cooler 130 .
  • the cooler 130 dehumidifies the air by cooling the air flowing through the second pipe 113 , that is, the circulation path 110 , through heat exchange with the low-temperature refrigerant.
  • High-temperature refrigerant flows inside heater 140 .
  • the heater 140 heats the dehumidified air flowing through the second pipe 113 , that is, the circulation path 110 through heat exchange with high-temperature refrigerant.
  • the drying filter 150 , the water supply channel 160 and the wiping mechanism 170 are disposed on the first pipeline 111 .
  • the drying filter 150 is arranged in the first duct 111 in such a way as to block the air passage. Drying filter 150 is located upstream of air flow from blower 120 , cooler 130 , and heater 140 in circulation path 110 .
  • the dry filter 150 traps foreign matter such as lint contained in the air discharged from the outer cylinder 20 .
  • the water supply channel 160 and the wiping mechanism 170 are used to clean the drying filter 150 .
  • the water supply channel 160 flows the water supplied from the water supply unit 50 to the drying filter 150 to wash away the foreign matter adhering to the capture surface of the drying filter 150 .
  • the wiping mechanism 170 includes a wiper 171 that moves on the catch surface, and the foreign matter adhering to the catch surface is wiped off by the wiper 171 .
  • FIG. 3 is a plan view of the second duct 113 in a state where the cooler 130 and the heater 140 are arranged and the upper case 302 is removed.
  • FIG. 4 is a cross-sectional view of the second duct 113 in which the cooler 130 and the heater 140 are disposed, taken along the front-rear direction at the position of the drain recess 313 .
  • FIG. 5( a ) is a perspective view of the cooler 130
  • FIG. 5( b ) is a perspective view of the heater 140 .
  • FIG. 6 is a perspective view of the lower case 301 .
  • 7 is a perspective cross-sectional view of the lower case 301 from which the gasket 341 has been removed, cut in front of the arrangement area 320 of the cooler 130 . (a) of FIG.
  • FIG. 8 is the perspective view which looked at the spacer 341 from upper rear.
  • FIG. 8( b ) is a front sectional view of the gasket 341
  • FIG. 8( c ) is a side sectional view of the gasket 341 .
  • FIG. 9 is a diagram schematically showing the periphery of the protective wall portion 340 in the second duct 113 .
  • the second duct 113 is constituted by combining a lower case 301 with an open upper surface and an upper case 302 with an open lower surface.
  • the second duct 113 is made of resin material and includes a bottom wall 303 , a top wall 304 , a front wall 305 , a rear wall 306 , a right side wall 307 and a left side wall 308 .
  • the bottom wall 303 has a shape in which the right end is substantially horizontal, and the portion on the left side of the right end is inclined upward toward the left end.
  • a rectangular inflow port 309 long in the left-right direction is formed in the rear side wall 306 .
  • the discharge port of the fan case 112 is connected to the inlet port 309 .
  • An outflow port 310 having an elongated shape in the left-right direction is formed in the front side wall 305 .
  • the first pipe 114 a of the introduction pipe 114 integrally formed with the second pipe 113 is connected to the outflow port 310 .
  • the air sent from the fan housing 112 flows through the second duct 113 from the rear to the front.
  • the cooler 130 is arranged in the rear arrangement area 320 which is the upstream side, and the heater 140 is arranged in the front arrangement area 330 which is the downstream side.
  • the cooler 130 and the heater 140 are arranged linearly in the front-rear direction in a state close to each other.
  • the cooler 130 is an evaporator including three heat exchangers 131 arranged in the front-rear direction and two connecting pipes 132 for connecting the heat exchangers 131 .
  • Each heat exchanger 131 is configured by meandering a flat tube through which a refrigerant flows in the vertical direction, and has many heat radiation fins 131 a in the meandering portion.
  • a refrigerant inlet 133 is provided at the front of the upper connecting pipe 132
  • a refrigerant outlet 134 is provided at the rear of the lower connecting pipe 132 .
  • the heater 140 is a condenser including four heat exchangers 141 arranged in the front-rear direction and two connecting pipes 142 for connecting the heat exchangers 141 .
  • Each heat exchanger 141 is configured by meandering a flat tube through which the refrigerant flows in the left-right direction, and has many heat radiation fins 141 a in the meandering portion.
  • a refrigerant inlet 143 is provided at the front of the upper connection pipe 142
  • a refrigerant outlet 144 is provided at the rear of the upper connection pipe 142 .
  • the shape of the front of the cooler 130 and the heater 140 corresponds to the cross-sectional shape of the front of the second duct 113 .
  • the lower part of the partition wall 311 is formed in the lower case 301
  • the upper part is formed in the upper case 302 .
  • a delivery pipe 181 and a return pipe 182 respectively extending from a discharge port and a suction port of the not-shown compressor are introduced into the housing portion 312 .
  • the delivery pipe 181 is connected to the inlet 143 of the heater 140 .
  • the return pipe 182 is connected to the outlet 134 of the cooler 130 .
  • a connecting pipe 184 having a capillary 183 as an expansion valve is arranged in the housing portion 312 .
  • the inlet of the connecting pipe 184 is connected to the outlet 144 of the heater 140 , and the outlet of the connecting pipe 184 is connected to the inlet 133 of the cooler 130 .
  • the refrigerant compressed by the compressor to a high temperature is supplied to the heater 140 through the delivery pipe 181 and flows through the three heat exchangers 141 of the heater 140 . Accordingly, the heater 140 becomes high temperature.
  • the refrigerant flowing out of the heater 140 is decompressed and becomes low temperature when passing through the capillary 183 in the connecting pipe 184 .
  • the low-temperature refrigerant is supplied to the cooler 130 and flows through three heat exchangers 131 of the cooler 130 . Thereby, cooler 130 becomes low temperature.
  • the refrigerant flowing out of the cooler 130 returns to the compressor through the return pipe 182 .
  • a rectangular parallelepiped protruding from the lower part of the partition wall 311 so as to approach the left end of the cooler 130 is provided in the arrangement area 320 of the cooler 130 . protrusion 321 .
  • a drainage groove 322 is formed in the horizontal portion of the bottom wall 303 across the arrangement area 320 in the front-rear direction. The drain groove 322 is inclined downward toward the front.
  • each bottom rib 323 extending in the left-right direction between the protruding portion 321 and the right side wall 307 are provided on the bottom wall 303 at intervals in the front-rear direction.
  • four side ribs 324 extending in the vertical direction and having lower ends connected to the bottom rib 323 are provided on the right side wall 307 .
  • four supporting ribs 325 extending upward from the side surfaces of the protruding portion 321 and having lower ends connected to the bottom rib 323 are provided on the protruding portion 321 .
  • the portion corresponding to the inclined portion of the bottom wall 303 has a stepped shape.
  • the frontmost and rearmost bottom ribs 323 are interrupted by a portion of the drain groove 322 .
  • the middle two bottom ribs 323 are interrupted over a large extent of the horizontal portion of the bottom wall 303 including a part of the drain groove 322 .
  • the right side depressions of the four supporting ribs 325 are half U-shaped.
  • low mounting ribs 326 extending in the left-right direction are formed on the right and left sides of the drain groove 322 in the horizontal portion of the bottom wall 303 .
  • each heat exchanger 131 is sandwiched between two front and rear bottom ribs 323 , side ribs 324 , and support ribs 325 . Thereby, the movement of the cooler 130 in the front-back direction is restricted.
  • each heat exchanger 131 is placed on the placement rib 326 , and the two connection pipes 132 are supported by the support rib 325 . As a result, a gap is created between cooler 130 and bottom wall 303 .
  • a protective wall portion 340 is provided inside the second duct 113 , in front of the cooler 130 , that is, downstream, so as to be close to the cooler 130 .
  • the protective wall portion 340 extends along the bottom wall 303 of the second duct 113 in the left-right direction, that is, the direction perpendicular to the air flow in the second duct 113 , and is connected to the cooler 130 and the bottom wall 303 from the downstream side of the cooler 130 .
  • the gaps between overlap are used to overlap.
  • the protective wall part 340 is comprised by the bottom surface rib 323 which is the most front, and the packing 341 which covers this bottom surface rib 323 from above.
  • the gasket 341 is formed of an elastic material such as rubber into a shape corresponding to the bottom rib 323 and has the same length in the left-right direction as the bottom rib 323 .
  • the frontmost bottom surface rib 323 corresponds to the rib of the present invention, and the spacer 341 corresponds to the cover portion of the present invention.
  • fitting grooves 342 extending in the left-right direction are formed on the lower surface of the spacer 341 .
  • Left and right ends of the spacer 341 protrude upward, and fitting grooves 342 extend upward at the left and right ends.
  • Four holes 343 connected to the fitting groove 342 are formed on the upper surface of the spacer 341 .
  • a flange portion 344 protruding rearward, that is, toward the side of the cooler 130 is formed at an upper end portion of the spacer 341 .
  • the flange portion 344 has the same length as the pad 341 in the left-right direction.
  • the flange part 344 includes: a first flange 344a protruding obliquely in a manner close to the bottom wall 303; The bottom wall 303 of the duct 113 protrudes in parallel.
  • the fitting groove 342 of the spacer 341 fits in the upper portion of the bottom rib 323 , the lower end portion of the side rib 324 , and the lower end portion of the support rib 325 in a state where the spacer 341 covers the frontmost bottom rib 323 .
  • four protrusions 327 provided on the upper ends of the bottom ribs 323 are inserted into the four holes 343 of the spacer 341 .
  • the interrupted portion above the drain groove 322 in the bottom surface rib 323 is covered with a gasket 341 .
  • the flange portion 344 is in contact with the cooler 130 arranged in the arrangement area 320 .
  • the first flange 344a of the flange part 344 elastically deforms at the front and lower side and comes into strong contact with the cooler 130, and the second flange 344b of the flange part 344 is at the first The upper side of the flange 344a is in contact with the cooler 130 weaker than the first flange 344a. In this way, flange portion 344 is easily brought into close contact with cooler 130 through elastic deformation.
  • the spacer 341 most of the front side of the upper surface is formed as an inclined surface by being greatly chamfered. As a result, the water adhering to the upper surface of the packing 341 easily flows from the inclined surface to the bottom wall 303 , so that the water remaining on the upper surface can be prevented from being splashed to the heater 140 side by hot air.
  • the front side of the upper surface of the spacer 341 may also be formed as an arc-shaped inclined surface by forming large rounded corners.
  • a drain recess 313 is provided by denting the bottom wall 303 .
  • the drain concave portion 313 is located on the downstream side of the protective wall portion 340 and on the upstream side of the arrangement region 330 of the heater 140 .
  • the drain groove 322 is connected to the drain recess 313 .
  • a cylindrical drain port 314 is formed at the lower portion of the rear wall.
  • a drain hose 116 is connected to the drain port 314 .
  • a cylindrical inlet 315 is formed at the lower portion of the front wall (see FIG. 4).
  • the inclined portion of the bottom wall 303 has a stepped shape.
  • the arrangement area 330 five bottom ribs 331 extending in the left-right direction between the partition wall 311 and the right side wall 307 are provided on the bottom wall 303 at intervals in the front-back direction.
  • five side ribs 332 extending in the vertical direction and having lower ends connected to bottom ribs 331 are provided on the right side wall 307 .
  • a portion corresponding to the sloped portion of the bottom wall 303 has a stepped shape.
  • each heat exchanger 141 is sandwiched between the front and rear bottom ribs 331 and side ribs 332 . Accordingly, the movement of the heater 140 in the front-back direction is restricted.
  • each heat exchanger 141 is mounted on the bottom wall 303, and the two connection pipes 142 are supported by the four bottom ribs 331 on the rear side.
  • a recess 333 of a predetermined shape is formed in a horizontal portion of the bottom wall 303 .
  • the middle three bottom surface ribs 331 are interrupted by portions forming recesses 333 .
  • a drain portion 334 is provided at the frontmost portion of the recessed portion 333 .
  • the drain portion 334 includes a drain recess 335 formed by denting the bottom wall 303 , and a cylindrical drain port 336 formed at the lower portion of the rear wall of the drain recess 335 .
  • the drain port 336 and the inlet port 315 are connected by a connecting pipe 350 . Accordingly, the drain port 336 , that is, the drain recess 335 is connected to the drain hose 116 via the connection pipe 350 and the drain recess 313 . Thereby, the drain part 334 can share the drain hose 116 with the drain recessed part 313 .
  • drain portion 334 may also be constituted only by a drain port provided on the bottom surface of the concave portion 333 and penetrating the bottom wall 303 .
  • washing and drying operation washing operation, washing operation, or drying operation of various operation modes are performed in the integrated washing and drying machine 1 .
  • a washing process, an intermediate dehydration process, a rinsing process, a final dehydration process, and a drying process are sequentially performed.
  • the washing process the washing process to the final dehydration process are performed, and the drying process is not performed.
  • the drying operation only the drying process is performed.
  • the rinsing process and the intermediate spin process may be performed twice or more.
  • water containing detergent is stored in the outer tub 20 up to a predetermined water level corresponding to the load of the laundry contained in the drum 23, and the drum 23 is repeatedly rotated in the forward direction and in the reverse direction. Laundry immersed in this water is tumbled. The water containing detergent penetrates into the laundry, and through the power of the detergent and the mechanical force of tumbling, the stains attached to the surface and inside of the laundry are removed.
  • the drum 23 rotates forward and reverse while storing water in the outer tub 20 to a predetermined water level, and the laundry is tumbled. Thereby, the detergent contained in the laundry is discharged together with the water, and the laundry is rinsed.
  • the drive motor 30 rotates at a high speed in one direction, and the drum 23 rotates in one direction at a rotational speed at which the centrifugal force acting on the laundry in the drum 23 is much greater than the gravity.
  • the laundry is pressed against the peripheral wall surface of the drum 23 by the centrifugal force and dehydrated.
  • the drum 23 rotates at a higher rotational speed than during the intermediate dehydration process.
  • the hot air from which moisture has been removed from the laundry returns to the circulation path 110 through the exhaust port 203 .
  • Foreign matter such as lint coming out of the laundry is taken into the circulation path 110 together with the hot air.
  • the foreign matter is captured by the capturing surface of the drying filter 150 when the hot air passes through the drying filter 150 .
  • Foreign matter is less likely to flow through circulation path 110 downstream of drying filter 150 , and foreign matter is less likely to adhere to blower 120 , cooler 130 , and heater 140 located downstream.
  • the hot air passes through the cooler 130 before being heated by the heater 140 , and is dehumidified by the cooler 130 .
  • the water condensed from the air condenses on the cooling fins 131 a of the cooler 130 , and the condensed water moves downward along the cooling fins 131 a and falls to the bottom wall 303 below the cooler 130 .
  • the water falling into the bottom wall 303 flows to the drain groove 322 through the gap between the cooler 130 and the bottom wall 303 , and flows into the drain groove 313 through the drain groove 322 .
  • the water that has flowed into the drain recess 313 is drained from the drain port 314, and is drained into the outer cylinder 20 through the drain hose 116.
  • a filter cleaning operation for removing foreign matter from the drying filter 150 is performed.
  • the water supply process and the wiper work process are sequentially performed.
  • water is supplied from the water supply channel 160 to the drying filter 150 at a predetermined water supply time.
  • the water flows to the capture surface of the drying filter 150, and the foreign matter adhering to the capture surface is washed away by the water.
  • the wiper 171 works within the prescribed working time of the wiper.
  • the brush of the wiper 171 moves while wiping the capture surface of the drying filter 150 , thereby scraping off foreign matter adhering to the capture surface.
  • the foreign matter discharged into the outer cylinder 20 and the water discharged into the outer cylinder 20 flow to the drain 40 and are collected by the drain filter 42 disposed in the drain 40 .
  • the cooler 130 and the heater 140 are arranged on the downstream side of the air blower 120 in the above order in the circulation path 110. Therefore, hot air, which is strong air blown from blower 120 , easily passes through cooler 130 .
  • the hot air passes not only between the radiating fins 131 a but also between the cooler 130 and the bottom wall 303 .
  • the air path resistance between the cooler 130 and the bottom wall 303 is smaller than the air path resistance between the cooling fins 131a, so the force of the passing hot air is not easy to drop. Therefore, as shown in FIG. 9 , the water falling from the cooler 130 and remaining on the bottom wall 303 is easily splashed downstream by the hot air flowing between the cooler 130 and the bottom wall 303 .
  • a protective wall portion 340 is provided on the downstream side of the cooler 130 inside the second duct 113 . Therefore, as shown in FIG. 9 , the water splashed downstream by the hot air is blocked by the protective wall portion 340 . In addition, when hot air is blown upward along the protective wall portion 340 and water splashes upward, the water splashed upward is blocked by the flange portion 344 formed on the protective wall portion 340 .
  • the flange part 344 is a double structure formed by the first flange 344a and the second flange 344b in the vertical direction. In addition, since it is firmly attached to the cooler 130 through elastic deformation, water is difficult to go over the flange. Section 344. The water blocked by the protective wall portion 340 flows to the drain concave portion 313 through the drain groove 322 .
  • a drain portion 334 is provided in the arrangement region 330 of the heater 140 . Therefore, even if water infiltrates into the arrangement area 330 and accumulates at the bottom thereof, the accumulated water is discharged through the drain portion 334 . The drained water flows to the drain hose 116 through the connection pipe 350 and the drain recess 313, and is discarded outside the machine. Accordingly, it is possible to prevent the water stored in the arrangement area 330 from leaking from the second duct 113 through the outflow port 310 , flowing through the introduction pipe 114 , and entering into the outer cylinder 20 .
  • the circulation path 110 includes the second duct 113 in which the cooler 130 and the cooler 130 are arranged on the downstream side of the position where the air blower 120 is arranged so that the cooler 130 is located on the upstream side of the heater 140 .
  • the second pipe 113 of the heater 140 Inside the second duct 113, a protective wall portion 340 is provided, and the protective wall portion 340 extends along the bottom surface wall 303 of the second duct 113 in a direction perpendicular to the air flow in the second duct 113, and extends from the side of the cooler 130.
  • the downstream side begins to overlap the gap between the cooler 130 and the bottom wall 303 .
  • a flange portion 344 protruding toward the cooler 130 side and coming into contact with the cooler 130 is formed on the protective wall portion 340 .
  • the water splashed downstream by the air flowing between the cooler 130 and the bottom wall 303 is blocked by the protective wall portion 340 .
  • water splashed upward by air blown upward along the protective wall portion 340 is blocked by the flange portion 344 . Accordingly, it is possible to prevent the condensed water generated by the cooler 130 from entering the arrangement area 330 of the heater 140 and adhering to the heater 140 , thereby preventing the heating of the heater 140 from being hindered.
  • the protective wall portion 340 includes the bottom rib 323 protruding from the bottom wall 303 and the gasket 341 covering the bottom rib 323 from above, and the flange portion 344 is formed on the gasket 341 .
  • the protective wall portion 340 having the flange portion 344 can be easily formed in the second duct 113 .
  • the flange portion 344 is formed of an elastic material, it is easy to come into strong contact with the cooler 130 through elastic deformation. Accordingly, water splashed upward is less likely to leak upward over the flange portion 344 .
  • the flange portion 344 formed of an elastic material includes a first flange 344a and a second flange 344b provided on the first flange 344a and protruding shorter than the first flange 344a.
  • the flange portion 344 has a double structure formed vertically by the first flange 344 a and the second flange 344 b, so that water is less likely to leak upward from the flange portion 344 . Furthermore, the second flange 344b protrudes less than the first flange 344a, and does not come into contact with the cooler 130 more strongly than the first flange 344a, so that the flange portion 344 as a whole is not easy to dispose the cooler 130 on the second flange. When it is inside the pipe 113, it will cause resistance to the cooler 130, and it is not easy to hinder the arrangement.
  • the bottom wall 303 is formed with the drain recess 313 having the drain port 314 on the downstream side of the protective wall portion 340 and upstream of the heater 140 , and on the upstream side of the drain recess 313 .
  • a drain groove 322 inclined downward toward the drain recess 313 and connected to the drain recess 313 is formed.
  • the water blocked by the protective wall portion 340 and the other water falling on the bottom wall 303 can flow together through the drain groove 322 to the drain recess 313 and be discharged from the drain port 314 .
  • the bottom wall 303 is provided with the drain portion 334 for draining the water entering the arrangement region 330 in the arrangement region 330 of the heater 140 .
  • the second duct 113 is formed in a rectangular parallelepiped box shape in which a part of the bottom wall 303 is inclined correspondingly to the peripheral wall 201 of the outer cylinder 20 .
  • the second duct 113 may have any shape as long as the cooler 130 and the heater 140 are arranged on the upstream side and the downstream side, respectively, inside the second duct.
  • the protective wall part 340 is comprised from the bottom surface rib 323 which protrudes from the bottom surface wall 303, and the packing 341 which has the flange part 344 formed from the elastic member.
  • the structure of the protective wall portion 340 is not limited to the above-mentioned structure.
  • the protective wall portion 340 may have a structure in which a flange portion formed of an elastic material is attached to an upper portion of a rib protruding from the bottom wall 303 .
  • the cooler 130 and the heater 140 are constituted by the evaporator and the condenser included in the heat pump device, respectively.
  • the cooler 130 may be constituted by a water-cooled heat exchanger or the like
  • the heater 140 may be constituted by a semiconductor heater or the like.
  • the protective wall portion 340 has a structure in which the flange portion 344 is formed of an elastic material and has two flanges, the first flange 344a and the second flange 344b.
  • the flange portion 344 may be formed of, for example, a resin material other than the elastic material.
  • the flange portion 344 may have a structure having one flange or three or more flanges.
  • the drain port 336 of the drain unit 334 is connected to the drain hose 116 via the connection pipe 350 and the drain recess 313 .
  • the drain port 336 may also be connected to the drain hose 116 via the connecting pipe 350 , and the drain port 336 may also be connected to another drain hose connected to the drain path 40 .
  • the integrated washer-dryer 1 is a drum-type integrated washer-dryer provided with the horizontal-axis type drum 23 .
  • the present invention can also be applied to a so-called vertical washer-dryer provided with a vertical axis type washing and dehydrating tub having a pulsator inside.

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Abstract

本发明提供一种能防止由冷却器产生的冷凝水附着于加热器的洗干一体机。洗干一体机具备与外筒连接的循环路。循环路包括第二管道(113)，该第二管道(113)在比配置送风器的位置靠下游侧处以冷却器(130)位于加热器(140)的上游侧的方式配置有冷却器(130)和加热器(140)。在第二管道(113)的内部设有防护壁部(340)，该防护壁部(340)沿着第二管道(113)的底面壁(303)向与第二管道(113)内的空气流正交的方向延伸，从冷却器(130)的下游侧开始与冷却器(130)和底面壁(303)之间的间隙重叠。在防护壁部(340)形成有向冷却器(130)侧突出并与冷却器(130)接触的凸缘部(344)。

Description

洗干一体机 技术领域
本发明涉及一种洗干一体机。
背景技术
以下的专利文献1中记载了一种洗干一体机，其具备：空气循环路，具有与外筒连接的取出口和返回口；送风部，使外筒内的空气从取出口取出至空气循环路内并从返回口返回至外筒内，由此使该空气循环；以及热交换器，设于空气循环路内，在制冷剂与空气循环路内的空气之间进行热交换。
在该洗干一体机中，空气循环路包括在高于外筒的位置沿前后方向延伸的中途部分。进而，热交换器包括：加热侧的第一热交换器，在中途部分内配置于比送风部的旋转叶片靠下游侧；以及冷却侧的第二热交换器，配置于第一热交换器的下游侧。第一热交换器和第二热交换器沿前后方向排列。
高温的制冷剂在第一热交换器中流动。经过第一热交换器的空气通过与制冷剂热交换而被加热从而成为热风。低温的制冷剂在第二热交换器中流动。含有从洗涤物蒸发出的水分的空气在经过第二热交换器时通过与制冷剂热交换而被冷却从而被除湿。
在上述的洗干一体机中，能采用如下结构：将作为加热器的第一热交换器和作为冷却器的第二热交换器的位置调换，将第二热交换器配置于第一热交换器的上游侧，由此通过第一热交换器来加热由第二热交换器除湿后的空气。
在采用了上述结构的情况下，在送风部的下游侧，第二热交换器和第一热交换器按上述顺序排列，因此从送风部送出的风势强的空气即热风容易经过第二热交换器。来自送风部的空气不仅经过散热翅片之间，还经过第二热交换器与空气循环路的底面之间。第二热交换器与空气循环路的底面之间的风路阻力比散热翅片之间的风路阻力小，经过的空气的风势不易减弱。
由于与空气热交换而结露于第二热交换器即第二热交换器的散热翅片的水顺着散热翅片向下方移动并落到空气循环路的底面。在采用了上述结构的情况下，由于流过冷却器与空气循环路的底面之间的空气而存在于底面的水会向下游侧飞溅，飞溅的水有可能附着于第一热交换器而妨碍加热。
现有技术文献
专利文献
专利文献1：日本特开2021－23720号公报
发明内容
发明所要解决的问题
本发明申请是鉴于该问题而完成的，其目的在于提供一种能防止由冷却器产生的冷凝水附着于加热器的洗干一体机。
用于解决问题的方案
本发明的主要方案的洗干一体机具备：外筒，配置于箱体内；洗涤筒，配置于所述外筒内，容纳洗涤物；循环路，与所述外筒连接；送风器，配置于所述循环路内，使空气在所述外筒与所述循环路之间循环；冷却器，对流过所述循环路内的空气进行冷却来进行除湿；以及加热器，对流过所述循环路内的空气进行加热。其中，所述循环路包括管道，所述管道在比配置所述送风器的位置靠下游侧处以所述冷却器位于所述加热器的上游侧的方式配置有所述冷却器和所述加热器。在所述管道的内部设有防护壁部，所述防护壁部沿着所述管道的底面壁向与所述管道内的空气流正交的方向延伸，从所述冷却器的下游侧开始与所述冷却器和所述底面壁之间的间隙重叠。在所述防护壁部形成有凸缘部，所述凸缘部向所述冷却器侧突出，与所述冷却器接触。
根据上述结构，由于流过冷却器与底面壁之间的空气而向下游侧飞溅的水会被防护壁部阻挡。而且，由于沿着防护壁部向上吹的空气而向上方飞溅的水会被凸缘部阻挡。由此，能防止由冷却器产生的冷凝水进入加热器的配置区域而附着于加热器，能防止加热器的加热受到妨碍。
在本方案的洗干一体机中，所述防护壁部可以采用包括从所述底面壁突出的肋和从上方覆盖所述肋的罩部的结构。在该情况下，所述凸缘部可以形成于所述罩部。
根据上述结构，通过使罩部覆盖肋，能容易地在管道内形成具有凸缘部的防护壁部。
在本方案的洗干一体机中，所述凸缘部可以由弹性材料形成。
根据上述结构，凸缘部容易通过弹性变形来与冷却器强劲地接触。由此，向上方飞溅的水不易越过凸缘部向上方漏出。
在采用上述结构的情况下，进而，所述凸缘部可以采用如下结构：包括第一凸缘和第二凸缘，所述第二凸缘设于所述第一凸缘之上，比所述第一凸缘突出得短。
根据上述结构，凸缘部是由第一凸缘和第二凸缘在上下方向上形成的双重结构，因此水更加不易向凸缘部的上方漏出。而且，第二凸缘比第一凸缘突出得少，与第一凸缘相比不易与冷却器强劲地接触，因此凸缘部整体不易在将冷却器配置于管道内时对冷却器造成阻力，不易妨碍配置。
在本方案的洗干一体机中，可以是，在所述底面壁，在比所述防护壁部靠下游侧且比所述加热器靠上游侧处形成有具有排水口的排水凹部。在该情况下，可以是，在比所述排水凹部靠上游侧处形成有朝向所述排水凹部向下倾斜并与所述排水凹部相连的排水槽。
根据上述结构，能使由防护壁部阻挡的水和落到底面壁的其他水一并经过排水槽流至排水凹部并从排出口排出。
在本方案的洗干一体机中，可以是，在所述底面壁，在所述加热器的配置区域设有用于将进入该配置区域的水排出的排水部。
根据上述结构，即使发生了水进入配置区域内并蓄于其底部的情况，也能防止蓄留的水从管道漏出而进入外筒内。
发明效果
根据本发明，能提供一种能够防止由冷却器产生的冷凝水附着于加热器的 洗干一体机。
本发明的效果以及意义通过以下所示的实施方式的说明会更加明了。不过，以下实施方式仅仅是实施本发明时的一个示例，本发明不受以下实施方式中所记载的内容的任何限制。
附图说明
图1是示意地示出实施方式的洗干一体机的结构的侧面剖视图。
图2中，(a)是从后上方观察实施方式的装接有烘干装置的外筒的立体图，(b)是实施方式的示出了排气口的周边的外筒的主要部分的立体图。
图3是实施方式的配置有冷却器和加热器的卸除了上壳的状态下的第二管道的俯视图。
图4是将实施方式的配置有冷却器和加热器的第二管道在排水凹部的位置沿前后方向剖切的剖视图。
图5中，(a)和(b)分别是实施方式的冷却器和加热器的立体图。
图6是实施方式的下壳的立体图。
图7是将实施方式的卸除了衬垫的下壳在冷却器的配置区域的前方剖切的立体剖视图。
图8中，(a)是从后上方观察实施方式的衬垫的立体图，(b)是实施方式的衬垫的正面剖视图，图8的(c)是实施方式的衬垫的侧面剖视图。
图9是示意性表示实施方式的第二管道内的防护壁部的周边的图。
附图标记说明
10：箱体；20：外筒；23：滚筒(洗涤筒)；110：循环路；113：第二管道(管道)；120：送风器；130：冷却器；140：加热器；313：排水凹部；314：排水口；322：排水槽；323：底面肋(肋)；330：配置区域；334：排水部；340：防护壁部；341：衬垫(罩部)；344：凸缘部；344a：第一凸缘；344b：第二凸缘。
具体实施方式
以下，参照附图对本发明的洗干一体机的一个实施方式进行说明。
图1是示意地示出洗干一体机1的结构的侧面剖视图。图2的(a)是从后上方观察装接有烘干装置100的外筒20的立体图。图2的(b)是示出排气口203的周边的外筒20的主要部分的立体图。
本实施方式的洗干一体机1是所谓的滚筒式洗干一体机。洗干一体机1具备长方体状的箱体10。在箱体10的前表面形成有供洗涤物投入的圆形的投入口11。投入口11由自由开闭的门12覆盖。
在箱体10内，外筒20由多个减振器21和弹簧22弹性支承。外筒20具有圆筒状的周面壁201和圆盘状的后面壁202。在外筒20内自由旋转地配置有滚筒23。滚筒23绕水平轴L旋转。滚筒23在前表面具有圆形的开口部23a。外筒20在滚筒23的开口部23a的前方具有圆形的开口部20a。
滚筒23的周面壁形成有许多脱水孔23b。此外，在滚筒23内，在周面壁设有用于举升洗涤物的提升筋24。滚筒23相当于本发明的洗涤筒。
在外筒20的后方配置有产生用于使滚筒23旋转的转矩的驱动马达30。驱动马达30例如是外转子型的DC无刷马达。驱动马达30在清洗过程和漂洗过程时，以施加给滚筒23内的洗涤物的离心力小于重力且洗涤物会翻滚的转速使滚筒23旋转。另一方面，驱动马达30在脱水过程时以施加给滚筒23内的洗涤物的离心力远大于重力而洗涤物会贴附于滚筒23的周面壁的转速使滚筒23旋转。
在外筒20的底部形成有排水口20b。在排水口20b连接有由排水软管等构成的排水路40。在排水路40设有排水阀41和排水过滤器42。排水阀41例如包括阀体和使阀体开闭的力矩马达。当排水阀41打开时，蓄于外筒20内的水经过排水路40排出至机外。由排水过滤器42来捕获排水中所含的线屑等异物。
在箱体10内的上部配置有供水部50。供水部50包括第一供水阀51、第二供水阀52、第一供水软管53以及第二供水软管54。第一供水阀51和第二供水阀52由双联电磁阀构成。第一供水软管53一端与第一供水阀51连接，另一端与设于外筒20的后面壁202的注水口20c连接。第二供水软管54一端与第二 供水阀52连接，另一端与供水路160连接。
当第一供水阀51打开时，来自水龙头的自来水流过第一供水软管53并从注水口20c供给至外筒20内。当第二供水阀52打开时，自来水流过第二供水软管54供给至供水路160。
在箱体10内的上部配置有用于烘干滚筒23内的洗涤物的烘干装置100。烘干装置100具备：循环路110、送风器120、冷却器130、加热器140、烘干过滤器150、供水路160以及刮拭机构170。
循环路110是供空气流动的风路，与外筒20连接。循环路110包括：第一管道111、风扇壳体112、第二管道113以及导入管114。
如图2的(b)所示，在外筒20的周面壁201，在其后部且在比外筒20的中心靠上侧的部分设有排气口203。排气口203具有在前后方向即外筒20的轴向上较长且圆角的长方形。
如图2的(a)所示，第一管道111在外筒20的后部配置于周面壁201并与排气口203连接，从排气口203沿着周面壁201向周面壁201的顶部侧延伸。风扇壳体112在外筒20的后部配置于周面壁201的上方且配置于比周面壁201的顶部靠右侧的第一管道111的上方。
风扇壳体112形成为扁平的中空圆柱状，下表面具有吸入口，周面具有吐出口。第一管道111经由柔性连接软管115与风扇壳体112的吸入口连接。
第二管道113具有在前后方向长的近似长方体的盒状，配置于周面壁201的上方、风扇壳体112的前方。第二管道113后端与风扇壳体112的吐出口连接。导入管114从第二管道113的前端起延伸，与形成于外筒20的前上部的吸气口204连接。导入管114由与第二管道113一体形成的第一管114a以及在第一管114a与吸气口204之间连接的第二管114b构成。在第二管道113的底部连接有供由冷却器130冷凝自空气的水排出的排水软管116。排水软管116经由未图示的连接软管与外筒20连接。需要说明的是，第二管道113相当于本发明的管道。
送风器120例如是离心扇，包括容纳于风扇壳体112内的风扇121和用于对风扇121的风扇进行旋转驱动的马达122。送风器120使空气在外筒20与循 环路110之间循环。经过排气口203从外筒20内排出的空气，按照第一管道111、风扇壳体112、第二管道113、导入管114的顺序流过循环路110内，经过吸气口204返回外筒20内。由送风器120和风扇壳体112构成送风单元。
冷却器130和加热器140分别配置于第二管道113内的上游侧和下游侧。冷却器130和加热器140分别由热泵装置所包括的蒸发器和冷凝器构成。热泵装置中包括与蒸发器和冷凝器一并构成冷热回路的压缩机、膨胀阀等。
低温的制冷剂在冷却器130的内部流动。冷却器130使流过第二管道113内即循环路110内的空气通过与低温的制冷剂之间的热交换而被冷却，从而进行空气的除湿。高温的制冷剂在加热器140的内部流动。加热器140将流过第二管道113内即循环路110内的除湿后的空气通过与高温的制冷剂之间的热交换来进行加热。
烘干过滤器150、供水路160以及刮拭机构170配置于第一管道111。烘干过滤器150以阻塞风路的方式配置在第一管道111内。烘干过滤器150在循环路110内位于比送风器120、冷却器130以及加热器140靠空气流的上游。烘干过滤器150捕获从外筒20排出的空气中所含的线屑等异物。
供水路160和刮拭机构170用于清扫烘干过滤器150。供水路160使从供水部50供给来的水流向烘干过滤器150，冲走附着于烘干过滤器150的捕获面的异物。刮拭机构170包括在捕获面上移动的刮拭件171，通过刮拭件171来擦去附着于捕获面的异物。
图3是配置有冷却器130和加热器140的卸除了上壳302的状态下的第二管道113的俯视图。图4是将配置有冷却器130和加热器140的第二管道113在排水凹部313的位置沿前后方向剖切的剖视图。图5的(a)是冷却器130的立体图，图5的(b)是加热器140的立体图。图6是下壳301的立体图。图7是将卸除了衬垫341的下壳301在冷却器130的配置区域320的前方剖切的立体剖视图。图8的(a)是从后上方观察衬垫341的立体图。图8的(b)是衬垫341的正面剖视图，图8的(c)是衬垫341的侧面剖视图。图9是示意性表示第二管道113内的防护壁部340的周边的图。
参照图3至图9，对第二管道113、冷却器130以及加热器140的结构进行 详细说明。
第二管道113通过将上表面开口的下壳301和下表面开口的上壳302结合而构成。第二管道113由树脂材料形成，包括底面壁303、顶面壁304、前侧面壁305、后侧面壁306、右侧面壁307以及左侧面壁308。
底面壁303具有如下形状：右端部大致水平，比右端部靠左侧的部分朝向左端向上倾斜。在后侧面壁306形成有左右方向上长的长方形的流入口309。在流入口309连接有风扇壳体112的吐出口。在前侧面壁305形成有左右方向上细长的形状的流出口310。在流出口310连接有与第二管道113一体形成的导入管114的第一管114a。从风扇壳体112送出的空气从后方向前方流过第二管道113内。
在第二管道113的内部，在作为上游侧的后侧的配置区域320配置有冷却器130，在作为下游侧的前侧的配置区域330配置有加热器140。冷却器130和加热器140以彼此接近的状态沿前后方向直线排列。
如图5的(a)所示，冷却器130是蒸发器，包括沿前后方向排列的三个热交换器131和用于连接这些热交换器131的两个连接管132。各热交换器131通过使供制冷剂流动的扁平的管沿上下方向蛇行弯曲而构成，在蛇行部分具有许多散热翅片131a。在冷却器130，在上侧的连接管132的前部设有制冷剂的入口133，在下侧的连接管132的后部设有制冷剂的出口134。
如图5的(b)所示，加热器140是冷凝器，包括沿前后方向排列的四个热交换器141和用于连接这些热交换器141的两个连接管142。各热交换器141通过使供制冷剂流动的扁平的管沿左右方向蛇行弯曲而构成，在蛇行部分具有许多散热翅片141a。在加热器140，在上侧的连接管142的前部设有制冷剂的入口143，在上侧的连接管142的后部设有制冷剂的出口144。
冷却器130和加热器140的正面的形状与第二管道113的正面的截面形状对应。
如图3所示，在第二管道113的内部，在两个配置区域320、330的右侧设有由沿前后方向延伸的分隔壁311分隔的容纳部312。分隔壁311的下侧部分形成于下壳301，上侧部分形成于上壳302。
分别从未图示的压缩机的吐出口和吸入口延伸的输送管181和返回管182被导入容纳部312中。输送管181与加热器140的入口143连接。返回管182与冷却器130的出口134连接。
在容纳部312配置有具有作为膨胀阀的毛细管183的连接管184。连接管184的入口与加热器140的出口144连接，连接管184的出口与冷却器130的入口133连接。
被压缩机压缩而成为高温的制冷剂经过输送管181供给至加热器140，并流过加热器140的三个热交换器141。由此，加热器140成为高温。从加热器140流出的制冷剂在连接管184内经过毛细管183时被减压而成为低温。低温的制冷剂供给至冷却器130，并流过冷却器130的三个热交换器131。由此，冷却器130成为低温。从冷却器130流出的制冷剂经过返回管182返回压缩机。
如图6和图7所示，在第二管道113的内部，在冷却器130的配置区域320设有从分隔壁311的下侧部分以接近冷却器130的左端部的方式突出的长方体状的突出部321。此外，在配置区域320，在底面壁303的水平部分形成有沿前后方向横穿配置区域320的排水槽322。排水槽322朝前方向下倾斜。
在配置区域320，在突出部321与右侧面壁307之间沿左右方向延伸的四个底面肋323以在前后方向上隔开间隔的方式设置于底面壁303。此外，在右侧面壁307设有沿上下方向延伸且下端与底面肋323相连的四个侧面肋324。而且，在突出部321设有从该突出部321的侧面向上表面延伸且下端与底面肋323相连的四个支承肋325。
后方的三个底面肋323中，与底面壁303的倾斜部分对应的部分具有台阶状。最靠前和最靠后的底面肋323被排水槽322的一部分中断。中间的两个底面肋323在包括排水槽322的一部分的底面壁303的水平部分的较大范围内被中断。四个支承肋325的右侧凹陷为半U形。
在配置区域320，在前后两个底面肋323之间，在底面壁303的水平部分的排水槽322的右侧和左侧形成有沿左右方向延伸的高度低的载置肋326。
冷却器130中，各热交换器131夹在前后两个底面肋323、侧面肋324及支承肋325之间。由此，冷却器130的前后方向的移动被限制。此外，冷却器130 中，各热交换器131载置于载置肋326，两个连接管132由支承肋325支承。由此，冷却器130与底面壁303之间产生间隙。
在第二管道113的内部，在冷却器130的前方即下游，以接近冷却器130的方式设有防护壁部340。防护壁部340沿着第二管道113的底面壁303，沿左右方向即与第二管道113内的空气流正交的方向延伸，从冷却器130的下游侧开始与冷却器130和底面壁303之间的间隙重叠。
防护壁部340由最靠前的底面肋323和从上方覆盖该底面肋323的衬垫341构成。衬垫341由橡胶等弹性材料形成为与底面肋323对应的形状，在左右方向上具有与底面肋323相同的长度。最靠前的底面肋323相当于本发明的肋，衬垫341相当于本发明的罩部。
如图8的(a)至(c)所示，在衬垫341，在下表面形成有沿左右方向延伸的嵌合槽342。衬垫341的左右的端部向上方突出，在左右的端部，嵌合槽342向上方延伸。在衬垫341的上表面形成有与嵌合槽342相连的四个孔343。
在衬垫341的上端部形成有向后方即冷却器130侧突出的凸缘部344。凸缘部344在左右方向上具有与衬垫341相同的长度。凸缘部344包括：第一凸缘344a，以靠近底面壁303的方式倾斜地突出；以及第二凸缘344b，设于第一凸缘344a之上，与衬垫341的上表面即第二管道113的底面壁303平行地突出。第二凸缘344b比第一凸缘344a突出得短。
在衬垫341覆盖最靠前的底面肋323的状态下，衬垫341的嵌合槽342嵌入底面肋323的上部、侧面肋324的下端部以及支承肋325的下端部。此外，衬垫341的四个孔343中插入有设于底面肋323的上端的四个突起327。而且，底面肋323中的排水槽322的上方的中断部分被衬垫341覆盖。
如图9所示，防护壁部340中，凸缘部344与配置于配置区域320的冷却器130接触。当冷却器130从上方配置于配置区域320时，凸缘部344的第一凸缘344a在前下方弹性变形并且与冷却器130强劲地接触，凸缘部344的第二凸缘344b在第一凸缘344a的上方以比第一凸缘344a劲弱的方式与冷却器130接触。像这样，凸缘部344容易通过弹性变形与冷却器130紧贴。
需要说明的是，衬垫341中，上表面的前侧大半通过被大幅倒角而被设为 倾斜面。由此，附着于衬垫341的上表面的水容易从倾斜面流向底面壁303，因此能防止残留于上表面的水由于热风而飞溅到加热器140侧。衬垫341的上表面的前侧也可以通过形成较大的圆角来设为圆弧状的倾斜面。
在第二管道113的内部，在排水槽322的前方，通过使底面壁303凹陷而设有排水凹部313。排水凹部313位于比防护壁部340靠下游侧且比加热器140的配置区域330靠上游侧。排水槽322与排水凹部313相连。在排水凹部313，在其后面壁的下部形成有圆筒状的排水口314。在排水口314连接有排水软管116。而且，在排水凹部313，在其前表面壁的下部形成有圆筒状的导入口315(参照图4)。
如图6所示，在加热器140的配置区域330，底面壁303的倾斜部分具有台阶状。在配置区域330，在分隔壁311与右侧面壁307之间沿左右方向延伸的五个底面肋331以在前后方向隔开间隔的方式设置于底面壁303。此外，在右侧面壁307设有沿上下方向延伸且下端与底面肋331相连的五个侧面肋332。各底面肋331中，与底面壁303的倾斜部分对应的部分具有台阶状。
加热器140中，各热交换器141夹在前后两个底面肋331和侧面肋332之间。由此，加热器140向前后方向的移动被限制。此外，加热器140中，各热交换器141载置于底面壁303，两个连接管142由后侧的四个底面肋331支承。
在配置区域330，在底面壁303的水平部分形成有规定形状的凹部333。中间的三个底面肋331被形成凹部333的部分中断。在凹部333的最前部设有排水部334。排水部334包括：排水凹部335，通过使底面壁303凹陷而形成；以及圆筒状的排水口336，形成于排水凹部335的后面壁的下部。
如图4所示，排水口336和导入口315由连接管350连接。由此，排水口336即排水凹部335经由连接管350和排水凹部313与排水软管116连接。由此，排水部334能与排水凹部313共用排水软管116。
需要说明的是，排水部334也可以仅由设于凹部333的底面并贯穿底面壁303的排水口构成。
另外，洗干一体机1中进行各种运转模式的洗涤烘干运转、洗涤运转或者烘干运转。在洗涤烘干运转中，依次进行清洗过程、中间脱水过程、漂洗过程、 最终脱水过程以及烘干过程。在洗涤运转中，进行清洗过程至最终脱水过程，不进行烘干过程。在烘干运转中，仅进行烘干过程。根据运转模式，有时会进行两次以上漂洗过程和中间脱水过程。
在清洗过程中，向外筒20内蓄留含有洗涤剂的水直到与容纳于滚筒23内的洗涤物的负荷量对应的规定水位，通过反复进行滚筒23的正向旋转和反向旋转来使浸于该水中的洗涤物翻滚。含有洗涤剂的水渗透至洗涤物的内部，通过洗涤剂的能力和翻滚的机械力，附着于洗涤物的表面、内部的污渍被去除。
在漂洗过程中，在向外筒20蓄水至规定水位的状态下滚筒23进行正向旋转和反向旋转，洗涤物被翻滚。由此，洗涤物所含的洗涤剂与水一并排出，洗涤物被漂洗。
在中间脱水过程和最终脱水过程中，驱动马达30单向高速旋转，滚筒23以作用于滚筒23内的洗涤物的离心力远大于重力的转速单向旋转。通过离心力的作用，洗涤物被按压在滚筒23的周壁面而被脱水。在最终脱水过程中，滚筒23以高于中间脱水过程中的转速的转速旋转。
在烘干过程中，通过送风器120工作，空气在外筒20与循环路110之间循环，通过加热器140工作，导入外筒20的空气被加热而成为热风。进而，滚筒23进行正向旋转和反向旋转，洗涤物被翻滚。
从吸气口204导入外筒20内的热风与翻滚的洗涤物接触，洗涤物烘干。从洗涤物中除掉了水分的热风从排气口203向循环路110返回。从洗涤物中出来的线屑等异物与热风一起被取入循环路110。异物在热风经过烘干过滤器150时被烘干过滤器150的捕获面捕获。异物不易在比烘干过滤器150靠下游侧的循环路110内流过，异物不易附着于位于下游的送风器120、冷却器130以及加热器140。
在循环路110内，热风在被加热器140加热之前经过冷却器130，由冷却器130进行除湿。此时，冷凝自空气的水结露于冷却器130的散热翅片131a，结露的水顺着散热翅片131a向下方移动并落到冷却器130的下方的底面壁303。如图7的箭头所示，落到底面壁303的水经冷却器130与底面壁303之间的间隙向排水槽322流动，经过排水槽322流入排水凹部313。流入排水凹部313的 水从排水口314排出，经过排水软管116排出至外筒20内。
在洗涤烘干运转和烘干运转中，当烘干过程结束时，进行用于从烘干过滤器150去除异物的过滤器清扫运转。在过滤器清扫运转中，依次进行供水过程和刮拭件工作过程。
在供水过程中，在规定的供水时间从供水路160向烘干过滤器150进行供水。水流至烘干过滤器150的捕获面，利用水冲落附着于捕获面的异物。在刮拭件工作过程中，在规定的刮拭件工作时间内，刮拭件171工作。刮拭件171的刷子一边擦拭烘干过滤器150的捕获面一边移动，由此刮落附着于捕获面的异物。
在供水过程和刮拭件工作过程中，排出至外筒20内的异物与排出至外筒20内的水一并向排水路40流动，被配置于排水路40的排水过滤器42回收。
在烘干装置100中于循环路110内，冷却器130和加热器140按上述顺序排列在送风器120的下游侧。因此，从送风器120送出的风势强的空气即热风容易经过冷却器130。热风不仅经过散热翅片131a之间，也经过冷却器130与底面壁303之间。冷却器130与底面壁303之间的风路阻力比散热翅片131a之间的风路阻力小，因此经过的热风的风势不易下将。由此，如图9所示，从冷却器130落下而存在于底面壁303的水容易因流过冷却器130与底面壁303之间的热风而向下游侧飞溅。
在本实施方式中，在第二管道113的内部，在冷却器130的下游侧设有防护壁部340。因此，如图9所示，由于热风而向下游侧飞溅的水会被防护壁部340阻挡。而且，在热风沿着防护壁部340被向上吹，水向上方飞溅的情况下，向上方飞溅的水会被形成于防护壁部340的凸缘部344阻挡。凸缘部344是由第一凸缘344a和第二凸缘344b在上下方向上形成的双重结构，此外，由于会通过弹性变形而稳稳地紧贴于冷却器130，因此水不易越过凸缘部344。被防护壁部340阻挡的水经过排水槽322流向排水凹部313。
像这样，即使从冷却器130落到底面壁303的水因热风而向下游侧飞溅，也能通过防护壁部340来防止飞溅的水进入加热器140的配置区域330。因此，能防止由冷却器130产生的冷凝水附着于加热器140，能防止加热器140的加热 受到妨碍。
而且，在本实施方式中，在加热器140的配置区域330设有排水部334。因此，即使万一发生水浸入配置区域330内并蓄于其底部的情况，蓄留的水也会通过排水部334而排出。排出的水经过连接管350和排水凹部313流至排水软管116，向机外废弃。由此，能防止蓄于配置区域330的水经过流出口310从第二管道113漏出并流过导入管114而进入外筒20内的情况。
＜实施方式的效果＞
根据本实施方式，循环路110包括第二管道113，该第二管道113在比配置送风器120的位置靠下游侧处以冷却器130位于加热器140的上游侧的方式配置有冷却器130和加热器140的第二管道113。在第二管道113的内部设有防护壁部340，该防护壁部340沿着第二管道113的底面壁303向与第二管道113内的空气流正交的方向延伸，从冷却器130的下游侧开始与冷却器130和底面壁303之间的间隙重叠。在防护壁部340形成有凸缘部344，该凸缘部344向冷却器130侧突出并与冷却器130接触。
根据该结构，由于流过冷却器130与底面壁303之间的空气而向下游侧飞溅的水会被防护壁部340阻挡。而且，由于沿着防护壁部340被向上吹的空气而向上方飞溅的水会被凸缘部344阻挡。由此，能防止由冷却器130产生的冷凝水进入加热器140的配置区域330并附着于加热器140，能防止加热器140的加热受到妨碍。
进而，根据本实施方式，防护壁部340包括从底面壁303突出的底面肋323和从上方覆盖该底面肋323的衬垫341，在衬垫341形成有凸缘部344。
根据该结构，通过使衬垫341覆盖底面肋323，能在第二管道113内容易地形成具有凸缘部344的防护壁部340。
进而，根据本实施方式，凸缘部344由弹性材料形成，因此容易通过弹性变形与冷却器130强劲地接触。由此，向上方飞溅的水不易越过凸缘部344向上方漏出。
进而，根据本实施方式，由弹性材料形成的凸缘部344包括第一凸缘344a和设于第一凸缘344a之上的比第一凸缘344a突出得短的第二凸缘344b。
根据该结构，凸缘部344是由第一凸缘344a和第二凸缘344b在上下方向上形成的双重结构，因此水更不容易向凸缘部344的上方漏出。而且，第二凸缘344b比第一凸缘344a突出得少，与第一凸缘344a相比不与冷却器130强劲地接触，因此凸缘部344整体不易在将冷却器130配置于第二管道113内时对冷却器130造成阻力，不易妨碍配置。
进而，根据本实施方式，在底面壁303，在比防护壁部340靠下游侧且比加热器140靠上游侧处形成有具有排水口314的排水凹部313，在比排水凹部313靠上游侧处形成有朝向排水凹部313向下倾斜并与排水凹部313相连的排水槽322。
根据该结构，能使由防护壁部340阻挡的水和落到底面壁303的其他水一并经过排水槽322流至排水凹部313并从排水口314排出。
而且，根据本实施方式，在底面壁303，在加热器140的配置区域330设有用于将进入配置区域330的水排出的排水部334。
根据该结构，即使发生水浸入配置区域330内并蓄于其底部的情况，也能防止蓄留的水从第二管道113漏出而进入外筒20内。
以上，对本发明的实施方式进行了说明，但本发明不受上述实施方式等的任何限制，此外，本发明的实施方式也可以在上述内容以外进行各种变更。
例如，在上述实施方式中，第二管道113形成为底面壁303的一部分与外筒20的周面壁201对应地倾斜的长方体箱状。然而，第二管道113只要是冷却器130和加热器140分别排列在该第二管道内部的上游侧和下游侧的结构，可以设为任意形状。
进而，在上述实施方式中，防护壁部340由从底面壁303突出的底面肋323和由弹性构件形成的具有凸缘部344的衬垫341构成。然而，防护壁部340的结构不限于上述结构。例如，防护壁部340可以采用如下结构：在从底面壁303突出的肋的上部装接有由弹性材料形成的凸缘部。
进而，在上述实施方式中，冷却器130和加热器140分别由热泵装置中包含的蒸发器和冷凝器构成。然而，冷却器130也可以由水冷式的热交换器等构成，加热器140也可以由半导体加热器等构成。
进而，在上述实施方式中，防护壁部340采用了凸缘部344由弹性材料形成并具有第一凸缘344a和第二凸缘344b这两个凸缘的结构。然而，除了弹性材料以外，凸缘部344例如也可以由树脂材料构成。此外，凸缘部344也可以采用具有一个凸缘或者三个以上凸缘的结构。
进而，在上述实施方式中，排水部334的排水口336经由连接管350和排水凹部313与排水软管116连接。然而，排水口336也可以经由连接管350与排水软管116连接，排水口336也可以连接于与排水路40相连的其他排水软管。
进而，在上述实施方式中，洗干一体机1是具备横轴型的滚筒23的滚筒式洗干一体机。然而，本发明也可以应用于具备内部具有波轮的纵轴型的洗涤脱水筒的所谓立式洗干一体机。
此外，本发明的实施方式能在技术方案的范围所示的技术思想的范围内适当地进行各种变更。

Claims (6)

  1. 一种洗干一体机，其特征在于，具备：
    外筒，配置于箱体内；
    洗涤筒，配置于所述外筒内，容纳洗涤物；
    循环路，与所述外筒连接；
    送风器，配置于所述循环路内，使空气在所述外筒与所述循环路之间循环；
    冷却器，对流过所述循环路内的空气进行冷却来进行除湿；以及
    加热器，对流过所述循环路内的空气进行加热，
    所述循环路包括管道，所述管道在比配置所述送风器的位置靠下游侧处以所述冷却器位于所述加热器的上游侧的方式配置有所述冷却器和所述加热器，
    在所述管道的内部设有防护壁部，所述防护壁部沿着所述管道的底面壁向与所述管道内的空气流正交的方向延伸，从所述冷却器的下游侧开始与所述冷却器和所述底面壁之间的间隙重叠，
    在所述防护壁部形成有凸缘部，所述凸缘部向所述冷却器侧突出，与所述冷却器接触。
  2. 根据权利要求1所述的洗干一体机，其特征在于，
    所述防护壁部包括从所述底面壁突出的肋和从上方覆盖所述肋的罩部，
    所述凸缘部形成于所述罩部。
  3. 根据权利要求1或2所述的洗干一体机，其特征在于，
    所述凸缘部由弹性材料形成。
  4. 根据权利要求3所述的洗干一体机，其特征在于，
    所述凸缘部包括第一凸缘和第二凸缘，所述第二凸缘设于该第一凸缘之上，比所述第一凸缘突出得短。
  5. 根据权利要求1至4中任一项所述的洗干一体机，其特征在于，
    在所述底面壁，在比所述防护壁部靠下游侧且比所述加热器靠上游侧处形成有具有排水口的排水凹部，
    在所述底面壁，在比所述排水凹部靠上游侧处形成有朝向所述排水凹部向下倾斜并与所述排水凹部相连的排水槽。
  6. 根据权利要求1至5中任一项所述的洗干一体机，其特征在于，
    在所述底面壁，在所述加热器的配置区域设有用于将进入该配置区域的水排出的排水部。
PCT/CN2022/095851 2021-05-28 2022-05-30 洗干一体机 WO2022247949A1 (zh)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009018088A (ja) * 2007-07-13 2009-01-29 Toshiba Corp 洗濯乾燥機
CN105155197A (zh) * 2015-07-06 2015-12-16 Tcl智能科技（合肥）有限公司 洗干一体机的风道和洗干一体机
CN105780425A (zh) * 2014-12-26 2016-07-20 无锡小天鹅股份有限公司 洗衣机及其烘干装置
CN107090690A (zh) * 2017-04-21 2017-08-25 青岛海尔滚筒洗衣机有限公司 一种冷凝防倒吸的洗干一体机
CN206887554U (zh) * 2017-05-31 2018-01-16 江苏海狮机械股份有限公司 皮草干洗机中的空气循环过滤装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009018088A (ja) * 2007-07-13 2009-01-29 Toshiba Corp 洗濯乾燥機
CN105780425A (zh) * 2014-12-26 2016-07-20 无锡小天鹅股份有限公司 洗衣机及其烘干装置
CN105155197A (zh) * 2015-07-06 2015-12-16 Tcl智能科技（合肥）有限公司 洗干一体机的风道和洗干一体机
CN107090690A (zh) * 2017-04-21 2017-08-25 青岛海尔滚筒洗衣机有限公司 一种冷凝防倒吸的洗干一体机
CN206887554U (zh) * 2017-05-31 2018-01-16 江苏海狮机械股份有限公司 皮草干洗机中的空气循环过滤装置

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