WO2016026226A1 - 一种热泵系统、洗干一体机及干衣机 - Google Patents

一种热泵系统、洗干一体机及干衣机 Download PDF

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Publication number
WO2016026226A1
WO2016026226A1 PCT/CN2014/091311 CN2014091311W WO2016026226A1 WO 2016026226 A1 WO2016026226 A1 WO 2016026226A1 CN 2014091311 W CN2014091311 W CN 2014091311W WO 2016026226 A1 WO2016026226 A1 WO 2016026226A1
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WO
WIPO (PCT)
Prior art keywords
heat pump
air
pump system
branch
condenser
Prior art date
Application number
PCT/CN2014/091311
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English (en)
French (fr)
Chinese (zh)
Inventor
吕佩师
许升
宋华诚
单世强
Original Assignee
青岛海尔洗衣机有限公司
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
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Application filed by 青岛海尔洗衣机有限公司 filed Critical 青岛海尔洗衣机有限公司
Priority to KR1020177007063A priority Critical patent/KR20170044673A/ko
Priority to US15/503,785 priority patent/US20180016726A1/en
Priority to EP14900320.4A priority patent/EP3184934B1/en
Priority to JP2017510307A priority patent/JP6389563B2/ja
Publication of WO2016026226A1 publication Critical patent/WO2016026226A1/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
    • 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
    • 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 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00—Compression machines, plants or systems, with reversible cycle
    • 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

Definitions

  • the invention relates to the field of heat pump heating and dehumidification, in particular to a heat pump system, a washing and drying machine and a clothes dryer.
  • Prior art dryers include in-line dryers and condensing dryers. Both the in-line dryer and the condensing dryer connect the air inflow passage and the air outflow passage on the drum in the casing.
  • the difference between the inline type and the condensing type dryer is that the air inflow passage of the inline dryer is equipped with a heater for heating the air flowing into the drum; the air of the condensing dryer The inflow passage and the air outflow passage communicate with each other to form an air duct.
  • the air duct is provided with not only a heating device for heating the air flowing into the washing tub but also a fan for feeding the air heated by the heating device into the drum, and also installing the pair of laundry.
  • a condensing device for cooling the high temperature gas flowing out of the cylinder is also the same as the dryer.
  • a heat pump system in a heat pump drying type dryer or a dryer is used for convection.
  • the air in the duct is dehumidified and heated.
  • the heat pump system includes an evaporator, a compressor, a condenser, and a throttling device, and the evaporator, the compressor, the condenser, and the throttling device are sequentially connected through a pipe to form a refrigerant circuit.
  • the evaporator of the heat pump system is disposed at the air inlet of the air duct.
  • the evaporator When the refrigerant in the heat pump system enters the evaporator, the evaporator evaporates the liquid refrigerant into a gaseous refrigerant. In the process, the evaporator absorbs the surrounding heat as A condensing device in the duct for condensing air flowing through the duct.
  • the condenser of the heat pump system is located in the air passage between the fan and the evaporator.
  • the condenser changes the high temperature and high pressure gaseous refrigerant into a low temperature and high pressure gaseous refrigerant.
  • the condenser will release heat to the outside as a heating device in the duct for heating the air flowing through the duct.
  • a drum type washing and drying machine or a clothes dryer using a heat pump drying method is used, and in a low temperature environment, for example, at 0 ° C, since the water temperature of the rinsing laundry is only slightly higher than 0 ° C, drying starts.
  • the temperature of the air blown from the washing/drying cylinder is close to 0 °C.
  • the saturation temperature at the refrigerant saturation pressure in the evaporator of the heat pump system is much lower than 0 ° C, the load of the compressor system is low, and the input power is small.
  • the heat of the dry air comes from the power input of the compressor system, so the temperature rise in the laundry dryer is also extremely slow, which is not conducive to the efficiency of drying clothes.
  • the evaporation temperature is kept at a low temperature environment below 0 °C for a long time, the evaporator is in contact with the humid air blown out in the drum, the surface of the evaporator fin is condensed with a large amount of frost, the effective area of the evaporator is reduced, and the wind of the circulation duct is blocked.
  • the circulation causes the refrigerant of the compressor system not to be completely vaporized in the evaporator, and the refrigerant in the liquid state enters the compressor along the suction pipe of the compressor, causing the compressor to malfunction.
  • the existing solution is as follows: 1. Add an auxiliary heating pipe (wire) behind the condenser, and the air heated by the condenser is further heated by the heating pipe (wire) to obtain a high drying temperature in a low temperature environment, but The energy consumption level will increase; 2.
  • the inverter compressor is used, and the operation frequency is higher when the temperature is low or when the drying time needs to be accelerated, but the increased cost is more; 3.
  • the large-capacity compressor is used, but at normal temperature. Under the use of large displacement compressors, the energy consumption will be higher; 4, the use of multiple exhaust chamber compressors, this program will also increase operating costs.
  • Still another object of the present invention is to provide a washing and drying machine in which the above-described heat pump system is provided, which can improve laundry drying efficiency.
  • a heat pump system includes an evaporator, a compressor, a condenser, and a refrigerant conditioning subsystem, wherein the evaporator, the compressor, the condenser, and the refrigerant conditioning subsystem are sequentially connected through a pipeline to form a refrigerant circulation loop, the refrigeration
  • the agent adjustment subsystem includes a first branch and a second branch connected in parallel in parallel between the evaporator and the condenser;
  • the first branch includes a first throttling device connected to the evaporator inlet port and a liquid storage device between the first throttling device and the condenser;
  • a second throttling device is connected in series on the second branch.
  • the second branch and the first branch are connected to the outlet of the condenser via a reversing valve.
  • a solenoid valve is disposed on the first branch between the condenser and the liquid storage device and the second branch between the second throttle device and the condenser.
  • the first throttling device is a first capillary tube
  • the second throttling device is a second capillary tube, the length of the first capillary tube being smaller than the length of the second capillary tube.
  • the first throttling device and the second throttling device are the same electronic expansion valve, and the opening degree of the electronic expansion valve is adjustable.
  • the first throttling device and the second throttling device are electronic expansion valves, and the opening degrees of all the electronic expansion valves are adjustable.
  • the first branch and the second throttle between the liquid storage device and the first throttle device A check valve is disposed on the second branch between the device and the solenoid valve.
  • a washing and drying machine comprising an outer cylinder, an air duct and an inner cylinder disposed in the outer cylinder, wherein an air inlet and an air outlet of the air duct are respectively connected to a rear portion and a front portion of the outer cylinder, the air duct Forming a closed circuit with the outer cylinder, the air duct is provided with a fan, and the heat pump system of any one of the above, the evaporator of the heat pump system is disposed at the air inlet of the air duct for convection Condensation is carried out through the air of the air duct, the condenser of which is located in the air passage between the fan and the evaporator for heating the air flowing through the duct.
  • a clothes dryer includes a box body, an air duct and a drying cylinder installed in the box body, and the air inlet and the air outlet of the air duct are respectively connected to the rear portion and the front portion of the drying cylinder to form a closed with the drying cylinder
  • the circuit is provided with a fan, and the heat pump system of any one of the above, wherein the evaporator of the heat pump system is disposed at an air inlet of the air duct for performing air flowing through the air duct. Condensation, the condenser of the heat pump system is located in the air passage between the fan and the evaporator for heating air flowing through the duct.
  • an auxiliary electric heating device is disposed in the air passage between the fan and the air outlet of the air duct.
  • the refrigerant regulating subsystem of the heat pump system includes a first branch and a second branch connected in parallel between the evaporator and the condenser; the first branch includes an outlet connected to the inlet of the evaporator a flow device and a liquid storage device between the first throttle device and the condenser; and a second throttle device connected in series with the second branch.
  • the flow direction of the refrigerant is: a compressor, a condenser, a first branch (a liquid storage device, a first throttling device), an evaporator, and a compressor.
  • the flow direction of the refrigerant is: a compressor, a condenser, a second branch (second throttling device), an evaporator, and a compressor. Therefore, when the temperature is high, the liquid storage device increases the space for accommodating the refrigerant, and the pressure The load does not rise quickly. At low temperatures, the refrigerant enters the evaporator from the condenser only through the second throttling device. Since the space for accommodating the refrigerant is reduced, the compressor load rises rapidly, so that the load of the compressor in a low temperature environment can be increased. Rate of rise.
  • the length of the first capillary is smaller than the length of the second capillary, that is, the length of the second capillary is long, and the capillary in the low temperature state is long to match the superheat of the evaporator in this environment, and is not caused by the pressure rise.
  • the refrigerant entering the evaporator is too much and the evaporation is incomplete, and the problem of compressor failure caused by the refrigerant in the liquid state entering the compressor along the suction pipe of the compressor is avoided.
  • FIG. 1 is a schematic structural view of a heat pump system provided by an embodiment of the apparatus of the present invention
  • FIG. 2 is a schematic structural view of a clothes dryer provided by an embodiment of the apparatus of the present invention.
  • 111 a first throttle device; 112, a first check valve; 114, a liquid storage device; 116, a first solenoid valve;
  • FIG. 1 is a schematic structural view of a heat pump system provided by an embodiment of the apparatus of the present invention.
  • the heat pump system includes an evaporator 3, a compressor 4, a condenser 2, and a refrigerant regulation subsystem 1, and the evaporator 3, the compressor 4, the condenser 2, and the refrigerant regulation subsystem 1 pass The pipes are connected in sequence to form a refrigerant circuit.
  • the refrigerant conditioning subsystem 1 includes a first branch 11 and a second branch 12 connected in parallel between the evaporator 3 and the condenser 2.
  • the first branch 11 includes a first throttling device 111 having an outlet connected to the inlet of the evaporator 3 and a liquid storage device 114 for storing a refrigerant, the liquid storage device 114 being located at the first throttling device 111 Between the condenser 2.
  • a second throttle device 121 is connected in series to the second branch 12 .
  • the second branch 12 and the first branch 11 are connected to the outlet of the condenser 2 through a reversing valve.
  • the reversing valve is connected to the controller, and the reversing valve controls the flow of the refrigerant flowing out of the condenser 2 according to the signal sent by the received controller, and controls the flow of the refrigerant through the first branch pipe 11 or the second branch road 12. Therefore, the purpose of the reversing valve is to control the switching of the refrigerant between the two flow directions.
  • a first electromagnetic valve 116 may be disposed on the first branch pipe 11 between the condenser 2 and the liquid storage device 114, in the second section.
  • Flow loading A second solenoid valve 122 is disposed on the second branch 12 between the inlet 121 and the outlet of the condenser 2.
  • the first solenoid valve 116 and the second solenoid valve 122 are both connected to the controller, and the controller controls the flow of the refrigerant flowing out of the condenser 2 by controlling the opening or closing of the first solenoid valve 116 or the second solenoid valve 122.
  • the refrigerant is controlled to flow through the first branch pipe 11 or the second branch pipe 12. Therefore, the purpose of using a solenoid valve is also to control the switching of the refrigerant between the two flow directions.
  • the flow direction of the refrigerant is: the high-temperature high-pressure gaseous refrigerant flowing out from the compressor 4 flows through the condenser 2, and becomes a liquid condensing agent after the condensation of the condenser 2, and the condenser is processed.
  • the liquid condensing agent enters the liquid storage device 114 through the reversing valve, and the liquid storage device 114 temporarily stores the refrigerant, and then the refrigerant enters the evaporator from the liquid storage device 114 through the first throttling device 111.
  • the evaporator 3 evaporates the liquid refrigerant to become a gaseous refrigerant. In this process, the evaporator 3 absorbs the surrounding heat, and the gaseous refrigerant enters the compressor 4 along the pipe.
  • the flow direction of the refrigerant is: the high-temperature high-pressure gaseous refrigerant flowing out from the compressor 4 flows through the condenser 2, and becomes a liquid condensing agent after the condensation of the condenser 2, and the condenser is processed.
  • the liquid condensing agent enters the second branch 12 through the reversing valve, enters the second throttling device 121 along the second branch 12, and then flows to the evaporator 3, which conducts the liquid refrigerant Evaporation becomes a gaseous refrigerant, and in this process, the evaporator 3 absorbs the surrounding heat, and the gaseous refrigerant enters the compressor 4 along the pipe.
  • the compressor 4 is started, and first the reversing valve is closed, so that the refrigerant in the liquid storage device 114 is returned to the refrigeration system by the compressor 4. Thereafter, the reversing valve opens the second branch 12 to circulate the refrigerant in the drying process. The space for the branch to accommodate the refrigerant is reduced, so that the load of the compressor 4 rises faster.
  • the first throttling device 111 is a first capillary tube
  • the second throttling device 121 is a second capillary tube.
  • the length of the first capillary is smaller than the length of the second capillary.
  • the second capillary is set to be long to match the superheat of the evaporator 3 in a low temperature state. There is no excessive evaporation of the refrigerant entering the evaporator 3 due to the pressure rise, and the evaporation is incomplete.
  • the selection of the first throttling device 111 and the second throttling device 121 is not limited thereto, and the first throttling device 111 and the second throttling device 121 may also respectively use an electronic expansion valve, two The electronic expansion valves on the branch road are respectively connected to the controller, and the electronic expansion valve adjusts its opening degree according to the command signal sent by the controller.
  • the degree of opening of the electronic expansion valve on the first branch 11 during normal operation is greater than the degree of opening of the electronic expansion valve on the second branch 12 during normal operation.
  • the first throttle device 111 and the second throttle device 121 can also use the same electronic expansion valve, and the electronic expansion valve is connected to the controller, and the electronic expansion valve adjusts its opening degree according to the command signal sent by the controller.
  • the opening degree of the electronic expansion valve is also different. Generally, the opening degree of the electronic expansion valve when the first branch 11 is working normally is greater than the opening degree of the electronic expansion valve when the second branch 12 is working normally.
  • the first check valve 112 is disposed on the first branch 11 between the liquid storage device 114 and the first throttle device 111.
  • the first check valve 112 functions to prevent the refrigerant from flowing back into the liquid storage device 114 in the low temperature mode of operation.
  • the second between the second throttle device 121 and the second electromagnetic valve 122 may be A second check valve is disposed on the branch 113 to avoid accumulation of refrigerant or lubricating oil in the pipeline under high ambient temperature conditions.
  • the liquid storage device 114 is a liquid storage tank. Of course, it is not limited thereto, and the liquid storage device may be selected.
  • the present application also provides a clothes dryer, as shown in FIG. 2, the clothes dryer includes a box body 6, a air duct 5, and a drying cylinder 7 installed in the box body 6, the air duct 5
  • the air inlet 51 and the air outlet 52 are respectively connected to the rear portion and the front portion of the drying cylinder 7, and the air duct 5 forms a closed circuit with the drying cylinder 7, and the air duct 5 is provided with a fan 54.
  • the clothes dryer further includes the heat pump system described above, and the evaporator 3 of the heat pump system is disposed at the air inlet 51 of the air duct 5 as a condensing device in the air duct 5 for flowing through the air duct
  • the air of 5 is condensed, and the condenser 2 of the heat pump system is located in the air duct 5 between the fan 54 and the evaporator 3 as a heating means in the duct 5 for heating the air flowing through the duct 5.
  • an auxiliary electric heating device 53 is provided in the air duct 5 between the fan 54 and the air outlet 52 of the air duct 5 for performing air flowing through the air duct 5. Further heating.
  • a filter 55 is disposed at the air inlet 51 of the air duct 5, and the filter 55 can filter the air entering the air duct 5 from the drying cylinder 7 to prevent air.
  • the debris such as dander enters the air duct 5 to ensure cleanliness in the air duct 5.
  • the drying process of the dryer is: the fan 54 drives the air to circulate in the air duct 5 and the drying cylinder 7, while the condenser 2 of the heat pump system heats the air flowing therethrough, and the hot air enters the drying cylinder 7,
  • the water vapor in the clothes is evaporated and taken away, and then the air containing the water vapor passes through the evaporator 3 of the heat pump system, and the evaporator 3 absorbs the surrounding heat to cool the surrounding air, so that the water vapor in the hot air is condensed into liquid water. And it is discharged to the outside with the tap water.
  • the dry air from which the moisture is removed is again heated by the condenser 2 of the heat pump system, and again enters the drying cylinder 7 to dry the laundry. This process continues to cycle until the clothes are dried.
  • the application further provides a washing and drying machine, which comprises an outer cylinder, an air duct and an inner cylinder disposed in the outer cylinder, wherein the air inlet and the air outlet of the air duct are respectively connected to the outer cylinder Back and front
  • the air duct and the outer cylinder form a closed loop, and a fan is disposed in the air duct.
  • the washing and drying machine further includes the heat pump system according to any one of the above, wherein the evaporator 3 of the heat pump system is disposed at an air inlet of the air duct as a condensing device in the air passage for flowing through the air duct The air is condensed, and the condenser 2 of the heat pump system is located in the air passage between the fan 54 and the evaporator 3 as a heating means in the duct for heating the air flowing through the duct.
  • an auxiliary electric heating device is provided in the air passage between the fan and the air outlet of the air duct for further heating the air flowing through the air duct.
  • the drying process of the washing and drying machine is similar to the drying process of the dryer, and will not be described here.

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)
PCT/CN2014/091311 2014-08-18 2014-11-17 一种热泵系统、洗干一体机及干衣机 WO2016026226A1 (zh)

Priority Applications (4)

Application Number Priority Date Filing Date Title
KR1020177007063A KR20170044673A (ko) 2014-08-18 2014-11-17 열 펌프 시스템, 세탁건조기 및 의류건조기
US15/503,785 US20180016726A1 (en) 2014-08-18 2014-11-17 Heat pump system, washing-drying integrated machine and clothes dryer
EP14900320.4A EP3184934B1 (en) 2014-08-18 2014-11-17 Heat pump system, combo washer-dryer, and dryer
JP2017510307A JP6389563B2 (ja) 2014-08-18 2014-11-17 ヒートポンプシステム、洗濯乾燥機及び乾燥機

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201410406212.X 2014-08-18
CN201410406212.XA CN105466078A (zh) 2014-08-18 2014-08-18 一种热泵系统、洗干一体机及干衣机

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WO2016026226A1 true WO2016026226A1 (zh) 2016-02-25

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PCT/CN2014/091311 WO2016026226A1 (zh) 2014-08-18 2014-11-17 一种热泵系统、洗干一体机及干衣机

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Country Link
US (1) US20180016726A1 (ja)
EP (1) EP3184934B1 (ja)
JP (1) JP6389563B2 (ja)
KR (1) KR20170044673A (ja)
CN (1) CN105466078A (ja)
WO (1) WO2016026226A1 (ja)

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CN106015657A (zh) * 2016-06-29 2016-10-12 无锡小天鹅股份有限公司 用于干衣机或洗干一体机的单向阀及干衣机或洗干一体机
CN109059411A (zh) * 2018-08-30 2018-12-21 Tcl家用电器（合肥）有限公司 冰箱及其控制方法、控制装置、可读存储介质

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CN110965292A (zh) * 2018-09-29 2020-04-07 青岛海尔滚筒洗衣机有限公司 一种衣物处理装置及其控制方法
JP7149463B2 (ja) * 2019-04-09 2022-10-07 パナソニックＩｐマネジメント株式会社 洗濯機
KR20210002281A (ko) * 2019-06-28 2021-01-07 엘지전자 주식회사 의류처리장치
CN114182504B (zh) * 2021-11-30 2022-08-26 珠海格力电器股份有限公司 一种压缩机的散热控制方法及使用其的热泵衣物处理装置

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CN109059411A (zh) * 2018-08-30 2018-12-21 Tcl家用电器（合肥）有限公司 冰箱及其控制方法、控制装置、可读存储介质

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