WO2013094150A1 - Sèche-linge et procédé de nettoyage d'un évaporateur dans un sèche-linge - Google Patents

Sèche-linge et procédé de nettoyage d'un évaporateur dans un sèche-linge Download PDF

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Publication number
WO2013094150A1
WO2013094150A1 PCT/JP2012/007893 JP2012007893W WO2013094150A1 WO 2013094150 A1 WO2013094150 A1 WO 2013094150A1 JP 2012007893 W JP2012007893 W JP 2012007893W WO 2013094150 A1 WO2013094150 A1 WO 2013094150A1
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WO
WIPO (PCT)
Prior art keywords
evaporator
water
clothes dryer
drying
lint
Prior art date
Application number
PCT/JP2012/007893
Other languages
English (en)
Japanese (ja)
Inventor
古林　満之
雅弘 河合
田原　己紀夫
藤原　宣彦
Original Assignee
パナソニック株式会社
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 パナソニック株式会社 filed Critical パナソニック株式会社
Priority to JP2013550101A priority Critical patent/JP5942098B2/ja
Priority to CN201280063642.5A priority patent/CN104011286B/zh
Priority to EP12859915.6A priority patent/EP2796615B1/fr
Publication of WO2013094150A1 publication Critical patent/WO2013094150A1/fr

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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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/206—Heat pump arrangements
    • 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
    • D06F58/30—Drying processes 
    • 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
    • D06F2103/00—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers
    • D06F2103/50—Parameters monitored or detected for the control of domestic laundry washing machines, washer-dryers or laundry dryers related to heat pumps, e.g. pressure or flow rate
    • 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
    • D06F2105/00—Systems or parameters controlled or affected by the control systems of washing machines, washer-dryers or laundry dryers
    • D06F2105/26—Heat pumps
    • 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 
    • D06F58/22—Lint collecting arrangements

Definitions

  • the present invention relates to a clothes dryer for drying an object to be dried such as clothes, and a cleaning method for an evaporator of the clothes dryer.
  • the conventional clothes dryer is provided with a lint filter for collecting lint mixed in the drying air in the circulation air passage.
  • FIG. 8 is a configuration diagram of a clothes dryer having a conventional washing function.
  • a conventional clothes dryer having a washing function includes at least a drum 52, an outer tub 53, a circulation air passage 60, a heat pump device 59, and the like.
  • the drum 52 is rotatably provided in the outer tub 53 and accommodates a dry object such as clothing 51 and is driven to rotate. Then, the steps of washing, rinsing, dehydration, and drying are performed by supplying water into the outer tub 53 through the water supply valve 64, draining from the outer tub 53, and controlling the rotation of the drum 52, etc. Yes.
  • the heat pump device 59 is configured by connecting a compressor 54, a condenser 55, an expansion device 56, and an evaporator 57 through a pipe line 58 so that the refrigerant circulates. And the condenser 55 and the evaporator 57 of the heat pump apparatus 59 are arrange
  • the circulation air passage 60 has an exhaust port 61 provided on the upper front side of the outer tub 53 on the inlet side into which drying air flows, and an air blower provided on the upper rear surface of the outer tub 53 on the outlet side of the circulation air passage 60. It is configured to be connected so as to communicate with the mouth 62.
  • a blower 63 that blows drying air is provided in the circulation air passage 60 between the condenser 55 and the blower port 62 of the heat pump device 59.
  • the compressor 54 of the heat pump device 59 and the blower 63 are operated.
  • the blower 63 blows the drying air to the circulation air path 60.
  • the blown drying air is blown into the drum 52 from the blower port 62 of the circulation air passage 60.
  • the drying air blown into the drum 52 comes into contact with the garment 51 in the drum 52 and dehydrates the garment 51 for drying.
  • the drying air that has been dehydrated from the clothing 51 and has become highly humid flows into the circulation air passage 60 from the exhaust port 61.
  • the high-humidity drying air is cooled by the evaporator 57 of the heat pump device 59, deprived of latent heat, dewed, and dehumidified.
  • the dry drying air that has been dehumidified and whose absolute humidity has been reduced is heated again by the condenser 55 of the heat pump device 59 to become dry hot air, and is blown into the drum 52 from the blower port 62.
  • the drying operation of the garment 51 is performed by circulating the drying air blown by the blower 63 to the drum 52 through the circulation air passage 60.
  • lint separated from the clothing 51 in the drum 52 is mixed into the drying air circulating in the circulation air passage 60.
  • the mixed lint adheres to the evaporator 57, and clogging occurs between fins (not shown) of the evaporator 57.
  • the air volume of the drying air flowing through the circulation air path 60 is reduced, and the heat exchange efficiency of the heat pump device 59 is reduced.
  • the water supply valve 64 that can be opened and closed is opened, and the evaporator 57 and the condenser 55 that are heat exchangers are supplied with an aqueous solution for washing the heat exchanger.
  • a cleaning unit 65 for spraying is provided. Then, the cleaning unit 65 is configured to eject the heat exchanger cleaning aqueous solution to remove lint attached to the evaporator 57 and the condenser 55.
  • the scale component or scale means a component in which calcium or magnesium contained in water such as tap water is deposited or deposited as an oxide, sulfide, carbonate or bicarbonate, etc. It is the same.
  • a clothes dryer of the present invention includes a drying chamber for storing an object to be dried, an air passage for circulating drying air discharged from the drying chamber to the drying chamber, and an air passage in the air passage.
  • a heat pump device that is provided and connected by a conduit so that the refrigerant circulates through the compressor, the condenser, the expansion device, and the evaporator, a blower that blows air to the air passage, and a discharge unit that discharges water toward the evaporator
  • a control unit for controlling the drying operation is controlled to operate a compressor, after discharging water from a discharge part.
  • the water from which the lint adhering to the evaporator is removed can be removed by the dehumidified water generated in the evaporator during the drying operation. Therefore, lint can be removed without the scale component contained in water adhering to the evaporator. As a result, the heat exchange efficiency of the evaporator can be prevented from being lowered, and the evaporator of the clothes dryer can be maintained with high performance and reliability over a long period of time.
  • FIG. 1 is a schematic diagram of a clothes dryer according to Embodiment 1 of the present invention.
  • FIG. 2 is a time chart showing the operation of the clothes dryer according to the embodiment.
  • FIG. 3 is a flowchart for explaining the operation of the clothes dryer including the method for cleaning the evaporator of the clothes dryer of the embodiment.
  • FIG. 4A is a schematic diagram illustrating a flow of water during lint removal when water is continuously discharged from a discharge unit in the clothes dryer of the embodiment.
  • FIG. 4B is a schematic diagram illustrating the flow of water during lint removal when water is intermittently discharged from the discharge unit in the clothes dryer of the embodiment.
  • FIG. 5 is a time chart showing the operation of another example of the clothes dryer according to the embodiment.
  • FIG. 1 is a schematic diagram of a clothes dryer according to Embodiment 1 of the present invention.
  • FIG. 2 is a time chart showing the operation of the clothes dryer according to the embodiment.
  • FIG. 3 is a flowchart
  • FIG. 6A is a schematic diagram at the time of lint removal of the clothes dryer in Embodiment 2 of the present invention.
  • FIG. 6B is a schematic diagram when water is removed by the clothes dryer of the embodiment.
  • FIG. 7 is a schematic diagram at the time of lint removal of the clothes dryer in the third embodiment of the present invention.
  • FIG. 8 is a configuration diagram of a conventional clothes dryer.
  • FIG. 1 is a schematic diagram of a clothes dryer according to Embodiment 1 of the present invention.
  • a clothes dryer 1 of the present embodiment includes a heat pump device 7 having at least an evaporator 5, a drying chamber 9, and an air passage 10 through which drying air circulates in the direction of arrow A.
  • the heat pump device 7 is configured such that the compressor 2, the condenser 3, the expansion device 4, and the evaporator 5 are connected by a pipe 6, and the refrigerant circulates between them.
  • the compressor 2 compresses the refrigerant.
  • the condenser 3 radiates the heat of the high-temperature and high-pressure refrigerant compressed by the compressor 2.
  • the expansion device 4 is composed of, for example, a capillary tube or a valve, and reduces the pressure of the high-pressure refrigerant.
  • the evaporator 5 dehumidifies by taking heat from, for example, high-humidity drying air that circulates in the air passage 10 with the refrigerant that has been decompressed by the expansion device 4 to a low pressure.
  • a drain port 12 for draining dehumidified water generated in the evaporator 5 during the drying step is provided below the evaporator 5. And it is comprised so that the dehumidification water which generate
  • the discharge part 13 which discharges water, such as a tap water, is provided toward the evaporator 5 above the end surface 5b of the upstream evaporator 5 with respect to the flow of drying air. It has been. Then, water is discharged and stopped from the discharge unit 13 by opening and closing the water supply valve 15 provided in the water supply path 14. At this time, water is discharged from the discharge unit 13 toward the windward side of the evaporator 5, that is, the end surface 5 b on the side where the drying air flowing in the direction of the arrow A through the air passage 10 flows into the evaporator 5. It is configured. Thereby, the lint etc. which adhered to the evaporator 5 are removed. And the water from which the lint was removed from the discharge part 13 is discharged
  • control part 16 controls the drying operation of the clothes dryer 1 by controlling at least the compressor 2, the blower 8, the water supply valve 15 and the like of the heat pump device 7.
  • FIG. 2 is a time chart showing the operation of the clothes dryer according to the embodiment.
  • FIG. 3 is a flowchart for explaining the operation of the clothes dryer including the method for cleaning the evaporator of the clothes dryer of the embodiment.
  • step S10 the operation of the clothes dryer 1 is started.
  • the control unit 16 performs control so that the water supply valve 15 is intermittently opened and closed (on-off), for example, for a predetermined time 0 to T1.
  • water such as tap water is intermittently discharged from the discharge unit 13 toward the end surface 5b of the evaporator 5 for a predetermined time 0 to T1.
  • the 1st step by which the lint adhering to the end surface 5b of the evaporator 5 is removed with the water from the discharge part 13 is performed (step S20).
  • the water from which the lint has been removed is discharged out of the clothes dryer 1 from a drain port 12 provided below the evaporator 5.
  • the control unit 16 operates the compressor 2 and the blower 8 of the heat pump device 7 after the predetermined time T ⁇ b> 1 elapses, and the like, such as clothing 20 put into the drying chamber 9.
  • start drying operation of the object to be dried At this time, the evaporator 5 is cooled by the operation of the compressor 2 of the heat pump device 7, and the second step is executed (step S30).
  • the drying air is blown through the air passage 10, and the third step is executed (step S40).
  • the drying air that is blown by the blower 8 and circulates in the air passage 10 is heated by heat radiation from the condenser 3 when passing through the condenser 3, and becomes warm air and is sent to the drying chamber 9. It is done. Then, the drying air that has come into contact with the clothing 20 in the drying chamber 9 deprives the clothing 20 of moisture and dries the clothing 20. At this time, the drying air becomes highly humid air due to moisture taken from the clothing 20. The drying air that has become highly humid is cooled when passing through the evaporator 5, and moisture in the drying air is condensed to dehumidify to form dehumidified water. Therefore, the dehumidified water does not contain scale components and is formed in a clean state.
  • Step S50 the 4th step which removes water with dehumidification water is performed.
  • step S60 the drying operation is executed.
  • the drying operation is executed as described above.
  • the heat of the high-temperature and high-pressure refrigerant compressed by the compressor 2 is radiated by the condenser 3.
  • the radiated high-pressure refrigerant is depressurized by the expansion device 4 to become a low pressure and a low temperature.
  • the low-pressure and low-temperature refrigerant takes heat from the drying air in the evaporator 5 and returns to the compressor 2 again. That is, a heat amount obtained by adding the heat amount obtained from the input power to the compressor 2 to the heat amount taken by the evaporator 5 with the low-temperature and low-pressure refrigerant is released from the condenser 3. Therefore, the heat energy dissipated from the condenser 3 to the drying air is approximately equal to the sum of the amount of heat obtained from the input power to the compressor 2 and the amount of heat absorbed from the drying air by the evaporator 5.
  • the condenser 3 can obtain an output (thermal energy) that is equal to or higher than the input power input to the compressor 2, and can heat the drying air and put it into the clothes 20 in the drying chamber 9. Thereby, the drying air heated by the dehumidifier by the evaporator 5 and the condenser is put into the drying chamber 9 and is brought into contact with the clothes 20 to dry the clothes.
  • lint is generated from the garment 20.
  • the generated lint is mixed in the drying air, is transported to the filter 11 by circulation of the drying air, and is collected by the filter 11.
  • the mesh of the filter 11 cannot be made fine in order to ensure a constant air flow rate and suppress excessive power consumption. Therefore, a part of lint may pass through the filter 11 without being collected by the filter 11.
  • the lint that has passed through the filter 11 adheres to the end surface 5b of the upstream evaporator 5 with respect to the direction in which the drying air flows.
  • the fin pitch of the evaporator 5 is set to about 1.2 mm, for example, so that the lint that has passed through the filter 11 adheres only to the end face 5b of the evaporator 5. .
  • the lint adheres to the filter 11 and the end face 5b of the evaporator 5.
  • the lint attached to the filter 11 can be removed by the user by removing the filter 11 configured to be removable.
  • the lint attached to the evaporator 5 cannot be removed by the user.
  • the amount of lint adhering to the evaporator 5 is small in the initial stage where the number of drying operations is small.
  • the water supply valve 15 is intermittently opened and closed by the control unit 16. And, for a predetermined time (for example, 60 seconds, the opening and closing times are substantially the same (including the same)), water is intermittently supplied from the discharge unit 13 toward the end surface 5b of the evaporator 5 on which the lint is adhered. Is discharged. Thereby, the lint adhering to the evaporator 5 is removed.
  • a predetermined time for example, 60 seconds, the opening and closing times are substantially the same (including the same)
  • water such as tap water is discharged from the discharge unit 13 to remove lint attached to the evaporator 5.
  • water containing scale components is attached to the evaporator 5.
  • the water adhering to the evaporator 5 is removed by dehumidified water generated in the evaporator 5. That is, the water from which the lint has been removed before the start of the drying operation can be removed by washing with dehumidified water generated by the condensation of the evaporator 5 during the drying operation.
  • the water adhering to the evaporator 5 is removed with dehumidified water before being dried on the surface of the evaporator 5. Therefore, the lint can be removed without the scale component contained in the water adhering to and sticking to the evaporator 5.
  • FIG. 5 is a time chart showing the operation of another example of the clothes dryer according to the embodiment.
  • the clothes dryer of the present embodiment is different from the operation described in FIG. 2 in that the blower 8 is operated after a predetermined time after the compressor 2 of the heat pump device 7 is operated.
  • the operation of the clothes dryer will be specifically described below.
  • step S10 the operation of the clothes dryer 1 is started.
  • the control unit 16 performs control so that the water supply valve 15 is intermittently opened and closed (on-off), for example, for a predetermined time 0 to T1.
  • water such as tap water is intermittently discharged from the discharge unit 13 toward the end surface 5b of the evaporator 5 for a predetermined time 0 to T1.
  • the 1st step by which the lint adhering to the end surface 5b of the evaporator 5 is removed with the water from the discharge part 13 is performed (step S20).
  • the water from which the lint has been removed is discharged out of the clothes dryer 1 from a drain port 12 provided below the evaporator 5.
  • control part 16 closes the water supply valve 15, and stops supply of water.
  • the control unit 16 operates the compressor 2 and, after a predetermined time T2 has elapsed, operates the blower 8 to start the drying operation.
  • the predetermined time T1 to T2 is a time from the operation of the compressor 2 to the operation of the blower 8, and is set to 10 seconds, for example. If the predetermined time T1 to T2 is lengthened, the temperature of the compressor 2 and the temperature of the condenser 3 are increased, and the heat pump device 7 is overloaded. Therefore, it is preferable to set the predetermined times T1 to T2 to about 5 to 30 seconds, which is a time during which the compressor 2 does not become overloaded even if it is operated alone.
  • the surface of the evaporator 5 before starting the drying operation is wetted by the water discharged from the discharge unit 13 in order to remove lint.
  • the control part 16 starts the drying operation which operates the air blower 8 and dries clothing after predetermined time T2 after operating the compressor 2.
  • the dehumidified water generated by the dew condensation in the evaporator 5 moves downward along the surface of the fin 5a of the evaporator 5 by its own weight, and the clothes dryer 1 from the drain port 12 provided below the evaporator 5 It is discharged outside.
  • the water adhering to the evaporator 5 in a wet state is discharged together with the dehumidified water.
  • the water adhering to the evaporator 5 is removed by the dehumidified water, and the adhesion of the scale to the evaporator 5 generated by drying the water from which the lint has been removed can be prevented.
  • Embodiment 2 Below, the clothes dryer in Embodiment 2 of this invention is demonstrated using FIG. 6A and FIG. 6B.
  • FIG. 6A is a schematic diagram at the time of lint removal of the clothes dryer in Embodiment 2 of the present invention.
  • FIG. 6B is a schematic diagram when water is removed by the clothes dryer of the embodiment.
  • the clothes dryer of the present embodiment generates a water discharge range 17 for discharging water to the evaporator 5 such as tap water discharged from the discharge unit 13 in the evaporator 5. It has the structure set to a part of the evaporator 5 with the water removal range 18 or less which removes water with the dehumidification water to be performed.
  • Other configurations are the same as those of the first embodiment, the same reference numerals are given to the same configurations, and the detailed description uses the first embodiment.
  • a portion where water is discharged from the discharge unit 13 that removes lint attached to the evaporator 5 is set in the vicinity of the end face 5 b of the evaporator 5.
  • dehumidified water for removing the water adhering to the evaporator 5 is generated in the entire evaporator 5, and water is washed from the surface of the evaporator 5 for cleaning.
  • water can be discharged in a concentrated manner, for example, in the vicinity of the end surface 5 b of the evaporator 5 where much lint of the evaporator 5 adheres.
  • the lint adhering to the evaporator 5 can be removed more reliably.
  • FIG. 7 is a schematic view when removing the lint of the clothes dryer in Embodiment 3 of the present invention.
  • the discharge unit 13 is provided above the upstream end surface 5 b of the evaporator 5 into which the drying air flows, and is evaporated from the discharge unit 13. It has the structure which discharges water toward the end surface 5b on the upstream side of the vessel 5.
  • Other configurations are the same as those of the first embodiment, the same reference numerals are given to the same configurations, and the detailed description uses the first embodiment.
  • the discharge part 13 is provided above the evaporator 5 on the downstream side with respect to the flow direction of the drying air. Then, water is discharged from the discharge unit 13 toward the lint attached to the end surface 5 b of the evaporator 5.
  • the discharge direction of the water discharged from the discharge unit 13 is opposite to the flow direction of the drying air.
  • water can be discharged from a substantially reverse direction (the inside of the evaporator 5) with respect to the direction where lint adheres.
  • the lint adhering to the end surface 5b of the evaporator 5 can be removed by ejecting water from the inside of the evaporator 5 and effectively peeling it off to the outside.
  • the lint can be peeled off so as to be pushed out with water toward the upstream side of the evaporator 5, the lint can be easily peeled off as compared with the case where water is discharged in the vertical direction to peel off the lint. As a result, lint lump is less likely to occur. As a result, lint can be easily removed even when the water pressure is low.
  • the present invention is not limited to this.
  • it may be filtered bath water, well water, or the like, as long as the water from which the lint has been washed away is dried on the surface of the evaporator 5 and the scale remains. Even in this case, the same effect as in the present embodiment can be obtained.
  • the configuration in which lint is removed by discharging water from the discharge unit 13 by the water pressure of water such as tap water supplied from the outside via the water supply channel 14 is described as an example. It is not limited to this.
  • a discharge pump may be provided in front of the discharge unit 13 to pressurize and discharge water. Thereby, sufficient lint removal performance can be ensured even in a place where the water pressure of tap water or the like is low.
  • a water supply tank and a discharge pump may be provided, water such as tap water may be stored in the water supply tank, and water in the water supply tank may be discharged by the discharge pump.
  • you may comprise a clothes dryer by incorporating a water supply tank and a discharge pump together with structures, such as a water supply path and a water supply valve of this Embodiment.
  • structures such as a water supply path and a water supply valve of this Embodiment.
  • the fin pitch of the evaporator 5 is described as an example of about 1.2 mm, but the present invention is not limited to this.
  • the evaporator 5 may be configured by further narrowing the fin pitch. Thereby, lint can be more reliably adhered to the end surface 5b of the evaporator 5. As a result, lint removal is facilitated.
  • the fin pitch is narrowed, the air path pressure loss of the drying air passing through the flow path of the evaporator 5 increases, so the fin pitch is set to a value that optimizes the balance between lint removal and air path pressure loss. It is preferable to do.
  • the clothes dryer 1 has been described as an example, but the present invention is not limited thereto.
  • a washing / drying machine having a washing function and capable of washing and drying may be used, and similar effects can be obtained.
  • the drying chamber that houses the object to be dried
  • the air passage that circulates the drying air discharged from the drying chamber to the drying chamber
  • the air passage A heat pump device that is connected to the compressor, the condenser, the expansion device, and the evaporator by a pipe line so that the refrigerant circulates, a blower that blows air to the air passage, and a discharge that discharges water toward the evaporator
  • a control unit for controlling the drying operation.
  • a control part is controlled to operate a compressor, after discharging water from a discharge part.
  • the control unit controls the air blower to operate after a predetermined time from the operation of the compressor.
  • the evaporator is cooled by the refrigerant before the drying air is blown. Therefore, the water adhering to the evaporator is cooled and becomes difficult to dry. As a result, the water from which the lint has been removed can be removed by the dehumidified water generated in the evaporator without evaporating.
  • the control unit performs control so that water is intermittently discharged from the discharge unit.
  • the lint can be peeled off more reliably by causing water to intermittently and repeatedly collide with the lint that has become a lump.
  • the lint adhering to the evaporator can be removed more efficiently.
  • the water discharge range of the discharge unit for discharging water to the evaporator was set to a part of the evaporator.
  • the water discharge range of the discharge unit for discharging water to the evaporator was set to a part of the evaporator.
  • the discharge part is provided near the end face on the upstream side of the evaporator into which the drying air flows.
  • the discharge unit is provided on the downstream side from the upstream end surface of the evaporator into which the drying air flows, and the discharge unit is directed toward the upstream end surface of the evaporator. Discharge water. Thereby, water can be discharged to the end surface of the evaporator from the direction opposite to the side where the lint flows in and adheres. As a result, the lint adhering to the end face of the evaporator can be removed by discharging water from the inside of the evaporator and effectively peeling it outward.
  • the water is any of tap water, bath water, and well water.
  • the first step of discharging water to the evaporator of the heat pump device to remove lint adhering to the evaporator, and the evaporator by operating the compressor A second step of cooling the air, a third step of operating the air blower to blow air for drying, and a fourth step of removing water adhering to the evaporator with dehumidified water generated in the evaporator .
  • the water from which the lint adhering to the evaporator is removed can be removed by the dehumidified water generated in the evaporator during the drying operation.
  • the third step is executed after a predetermined time from the execution of the second step.
  • the evaporator can be cooled by the refrigerant before the drying air is blown. Therefore, the water adhering to the evaporator can be cooled and difficult to dry. As a result, the water from which the lint has been removed can be removed by the dehumidified water generated in the evaporator without evaporating.
  • the water is tap water, bath water or well water.
  • the present invention is useful in the field of clothes dryers, etc., where scales and the like adhere to the evaporator and heat exchange efficiency tends to decrease.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

L'invention concerne un sèche-linge (1) pourvu d'une chambre de séchage (9), d'un trajet d'air (10) faisant circuler l'air de séchage évacué de la chambre de séchage (9) dans la chambre de séchage (9), d'un dispositif formant pompe à chaleur (7) situé à l'intérieur du trajet d'air (10) et relié à un compresseur (2), à un condensateur (3), à un dispositif de dilatation (4) et à un évaporateur (5) par une conduite (6) faisant circuler un réfrigérant, d'un ventilateur (8) soufflant de l'air dans le trajet d'air (10), d'une unité d'évacuation (13) évacuant l'eau en direction de l'évaporateur (5) et d'une unité de commande (16) commandant l'opération de séchage. Par ailleurs, l'unité de commande (16) effectue une commande de telle sorte qu'une fois l'eau évacuée de l'unité d'évacuation (13), le compresseur (2) soit actionné. De cette manière, les peluches peuvent être retirées et le calcaire n'adhère pas à l'évaporateur (5).
PCT/JP2012/007893 2011-12-20 2012-12-11 Sèche-linge et procédé de nettoyage d'un évaporateur dans un sèche-linge WO2013094150A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2013550101A JP5942098B2 (ja) 2011-12-20 2012-12-11 衣類乾燥機および衣類乾燥機の蒸発器の洗浄方法
CN201280063642.5A CN104011286B (zh) 2011-12-20 2012-12-11 衣物干燥机以及衣物干燥机的蒸发器的清洗方法
EP12859915.6A EP2796615B1 (fr) 2011-12-20 2012-12-11 Sèche-linge et procédé de nettoyage d'un évaporateur dans un sèche-linge

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2011278087 2011-12-20
JP2011-278087 2011-12-20

Publications (1)

Publication Number Publication Date
WO2013094150A1 true WO2013094150A1 (fr) 2013-06-27

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JP2015204860A (ja) * 2014-04-17 2015-11-19 パナソニックＩｐマネジメント株式会社 衣類乾燥機
CN106676859A (zh) * 2017-02-06 2017-05-17 无锡小天鹅股份有限公司 换热器清洗喷头、热泵干衣机清洗装置和热泵干衣机
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CN104011286B (zh) 2017-03-15
EP2796615A4 (fr) 2015-05-13
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EP2796615A1 (fr) 2014-10-29
CN104011286A (zh) 2014-08-27
JP5942098B2 (ja) 2016-06-29

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