WO2015062148A1 - 一种波轮式热泵洗干一体机及烘干方法 - Google Patents

一种波轮式热泵洗干一体机及烘干方法 Download PDF

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Publication number
WO2015062148A1
WO2015062148A1 PCT/CN2013/090113 CN2013090113W WO2015062148A1 WO 2015062148 A1 WO2015062148 A1 WO 2015062148A1 CN 2013090113 W CN2013090113 W CN 2013090113W WO 2015062148 A1 WO2015062148 A1 WO 2015062148A1
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WO
WIPO (PCT)
Prior art keywords
air duct
heat pump
pulsator
outer barrel
evaporator
Prior art date
Application number
PCT/CN2013/090113
Other languages
English (en)
French (fr)
Inventor
宋华诚
许升
单世强
田书君
Original Assignee
海尔集团公司
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
Publication date
Application filed by 海尔集团公司, 青岛海尔洗衣机有限公司 filed Critical 海尔集团公司
Priority to US15/032,959 priority Critical patent/US20160289881A1/en
Priority to JP2016525978A priority patent/JP2017506084A/ja
Priority to EP13896334.3A priority patent/EP3064629B1/en
Priority to KR1020167013266A priority patent/KR20160075615A/ko
Publication of WO2015062148A1 publication Critical patent/WO2015062148A1/zh

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Classifications

    • 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
    • D06F17/00—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid
    • D06F17/06—Washing machines having receptacles, stationary for washing purposes, wherein the washing action is effected solely by circulation or agitation of the washing liquid by rotary impellers
    • 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 
    • D06F58/206—Heat pump arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers

Definitions

  • the present invention relates to a washing and drying machine in the field of washing machines, and more particularly to a pulsator heat pump washing and drying machine and a drying method.
  • the conventional pulsator washing and drying machine is mostly in the form of a heating tube (wire), which comprises an in-line pulsator washing and drying machine and a water condensing type pulsator washing and drying machine.
  • the air between the outer casing and the outer tub of the in-line pulsator washing and drying machine is heated by a heating pipe (wire) driven by a fan, and then blown into the inner tub from the top cover body, and the moisture in the laundry in the inner tub exchanges heat with the dry hot air.
  • the present invention provides an outer tub which is elastically suspended in a casing, and an inner tub for holding the laundry is rotatably supported in the outer tub, and A rotating pulsator is rotatably disposed at the inner bottom of the inner tub.
  • the inner tub and/or the pulsator are driven by an electric motor.
  • a dry blower fan delivers air to the inner tub and a heater heats the air delivered by the blower.
  • a controller controls the operation of the motor, the drying blower, the heater, and the like, thereby controlling the processes of washing, rinsing, dehydrating, and drying.
  • the controller drives the inner tub while also driving the drying blower fan to maintain air delivery to the inner tub.
  • the air is heated by a heating pipe (wire) driven by a fan and then blown into the inner tub from the top cover body.
  • the moisture in the clothes in the inner tub exchanges heat with the dry hot air, and moisture The heat is absorbed into steam and added to the air.
  • the humid air flows down through the gap on the pulsator to the water condenser at the back of the washing and drying machine through the outer tub or the bottom pipeline.
  • the humid air and the water condenser exchange heat to precipitate moisture. It becomes a relatively dry air, and is heated by a heating pipe (wire) under a fan drive to perform a drying cycle.
  • a heating pipe wire
  • the outer tub is elastically suspended inside the body, and the inner tub/pulley shaft is substantially in the vertical direction, and the inner tub for accommodating the laundry is The rotatably supported in the outer tub, the warm air heated by the heater is fed into the inner tub by the dryer blower fan.
  • the heat exchanger connected to the lower portion of the outer tub dehumidifies the humidified warm air.
  • the circulating dehumidification passage is used to circulate the warm air, and a heat exchanger, a dry blower fan, a heater, and the like are provided.
  • the present invention has been specifically proposed. SUMMARY OF THE INVENTION It is an object of the present invention to provide a pulsator heat pump washing and drying machine for the purpose of drying clothes by a heat pump system.
  • a pulsator heat pump washing and drying machine comprises: an outer casing, an outer barrel installed in the outer casing, an inner barrel installed in the outer barrel, a pulsator at the bottom of the inner barrel, and a lower part of the outer barrel a motor for driving the inner tub and/or the pulsator is provided; a duct and a heat pump system are disposed outside the outer tub, and the air duct connects the upper and lower ends of the sealed outer tub, and the evaporator and the condenser of the heat pump system are installed in the air duct;
  • the heat pump system further includes a throttling device and a compressor, and the sequentially connected evaporator, compressor, condenser, and throttling device constitute a circulation flow path for the medium to flow.
  • the two ends of the air duct are respectively a first end and a second end, the first end is connected to the upper or lower part of the outer tub, and the second end is connected to the lower part or the upper part of the outer tub, so that the air duct and the outer tub form a circulating wind.
  • a filter, an evaporator, a condenser, and a fan are disposed in this order from the first end to the second end.
  • the condenser and the evaporator are disposed in an air passage in an upper portion of the outer tub.
  • a condensed water drain pipe that discharges the condensed water to the outside of the washing and drying machine is connected to the bottom of the corresponding air duct provided with the evaporator.
  • the air duct is composed of a lower horizontal air duct, a vertical air duct and an upper horizontal air duct; one end of the lower cross air duct is connected to the bottom of the outer tub, and the other end is extended backward to be connected with the lower end of the vertical air duct.
  • the upper end of the vertical duct is connected to one end of the upper cross duct, and the other end of the upper cross duct is connected to the upper end of the outer tub.
  • the compressor is disposed outside the air duct, the outlet end of the compressor is connected to the condenser disposed inside the air duct, and the inlet end of the compressor is connected to the evaporator disposed inside the air duct;
  • the throttling device is connected at one end to the condenser and at the other end to the evaporator.
  • the outer tub opening is provided with a tub door for placing the laundry to ensure the tightness of the outer tub; the bottom of the outer tub is connected with a drain pipe, and the drain pipe is provided with a drain valve.
  • an evaporator and a condenser are installed in the air passage at the rear of the outer tub.
  • the air duct includes: a first vertical air duct, a second vertical air duct, and a third vertical air duct which are vertically disposed, which are connected end to end and are connected at the rear of the outer tub, and the first vertical wind a lower cross duct connected to the lower end of the track, and an upper cross duct connected to the upper end of the third vertical duct; the lower cross duct is connected to the lower part of the outer tub, and the upper cross duct is connected to the upper part of the outer tub,
  • the outer tub and the air duct form a "concave" type circulating air passage.
  • the top of the first vertical air duct is higher than the height of the opening of the outer tub.
  • a filter screen is disposed in the air passage between the first end of the air duct and the evaporator, and a condensate drain pipe is connected to the connection portion of the second vertical air passage and the third vertical air passage.
  • the second vertical air duct is provided with an evaporator
  • the third vertical air duct is provided with a condenser.
  • the second vertical duct is provided with a condenser
  • the third vertical duct is provided with an evaporator.
  • Another object of the present invention is to provide a method for drying a pulsator heat pump washing and drying machine according to any of the above, wherein the humid air in the outer tub enters the air passage, and the heat pump system acts to moisturize the moisture in the humid air. Condensation, forming condensed water and high-temperature drying gas, the high-temperature drying gas is returned to the outer tub, and the condensed water is discharged to the washing and drying machine.
  • the pulsator in the inner tub of the washing and drying machine rotates, and the clothes in the inner tub are turned over to make the clothes fully contact with the high-temperature drying gas, so as to improve the drying efficiency of the clothes and make the clothes drying more uniform.
  • the gas entering the air duct from the outer tub is filtered through the filter screen and then enters the heat pump system to prevent the thread of the laundry from entering the heat pump system with the airflow, causing damage to the heat pump system. Further, during the drying process, the working pressure of the heat pump system gradually increases.
  • the compressor speed of the heat pump system decreases; preferably, when the compressor speed of the heat pump system is reduced to a minimum
  • the drain valve is opened, and the gas in the circulating air passage formed by the air duct and the outer tub is exchanged with the outside atmosphere through the drain pipe to reduce the gas temperature value in the circulating air passage. The workload of the heat pump system is reduced.
  • the operating pressure of the heat pump system exceeds the set value: the operating current I of the compressor is greater than the limit value Imax, and the condenser surface temperature tl reflecting the condensing temperature is higher than the limit value Umax and reflects the compression
  • the compressor discharge temperature t2 of the internal temperature of the machine is higher than the limit value t2max. Due to the above-mentioned entire drying process, the input electric energy of the driving compressor is continuously transmitted by the medium, and is introduced into the circulating air path to heat the gas. Thereby, the heat loss in the entire circulation air path is the energy consumption that is dissipated into the environment through the outer casing of the washing and drying machine, and the energy loss of the entire system is reduced.
  • the advantage of the present invention over the prior art is that: by the above device, the heat of the hot and humid air in the air passage is reduced, and the heat is transferred from the evaporator to the condenser under the action of the medium to feed the dry gas. Line heating. Thereby, the energy use efficiency is improved and the energy loss is reduced. More specifically, in the present invention, the evaporator and the condenser of the heat pump system are mounted on the upper side of the outer casing of the washing and drying machine, thereby ensuring that the washing water level does not exceed the heat pump system when the washing and drying machine is washed, and the heat pump system is improved. Security. At the same time, the invention has simple structure and remarkable effect, and is suitable for popularization and use.
  • FIG. 1 is a schematic structural view of a washing and drying machine according to Embodiments 1 and 2 of the present invention
  • FIG. 2 is a schematic view showing a mounting method of a heat pump system of a washing and drying machine according to Embodiment 1 of the present invention
  • Figure 4 is a schematic view showing the structure of the washing and drying machine in the third embodiment of the present invention
  • Figure 5 is a schematic view showing the structure of the washing and drying machine in the fourth embodiment of the present invention
  • FIG. 7 is a schematic structural view of a washing and drying machine according to Embodiment 6 of the present invention.
  • this embodiment introduces a pulsator heat pump washing and drying machine, comprising: a casing 1, an outer tub 2 installed in the outer casing 1, and an axis and a vertical column installed in the outer tub 2.
  • the inner tub 3 is formed at an acute angle or coincident direction, and a pulsator 4 is disposed at the bottom of the inner tub 3, and a motor 5 for driving the inner tub 3 and/or the pulsator 4 to rotate is disposed at a lower portion of the outer tub 2.
  • the upper portion of the outer casing 1 is open, and an openable and closable outer casing door 13 is disposed at the opening, so that the laundry is put into the inner tub 3 via the outer casing door 13.
  • the upper opening of the outer tub 2 is provided with an openable and closed outer tub door 14, the bottom of the outer tub 2 is provided with a drain pipe 6, and the drain pipe 6 is provided with a drain valve 15.
  • the air conditioner is further installed in the outer casing 1 of the washing and drying machine, and the air passage is disposed between the outer casing 1 and the outer tub 2, and the air passage is connected to the lower horizontal air passage 20 which is connected end to end.
  • the air duct and the outer tub form a "mouth" type circulating air passage.
  • the bottom of the outer tub 2 of the washing and drying machine is connected to the air duct and the drain pipe 6 via a three-way, and the other end of the drain pipe 6 extends to the outside of the washing and drying machine, and the drain pipe 6 is arranged There is a drain valve 15.
  • the airtightness of the air passage circulation passage formed by the outer tub 2 and the air duct is ensured by opening and closing of the outer tub door 14 and the drain valve 15.
  • the outer tub 2 is disposed near the front side of the outer casing 1.
  • the specific structure of the "mouth" type circulating air passage is as follows: the bottom of the outer tub 2 is connected to one end of the lower cross duct 20, and the other end of the lower cross duct 20 extends in the horizontal direction to the rear of the outer casing 1; The other end of the horizontal air duct 20 is connected to the lower end of the vertical air duct 21 which is vertically disposed at the rear of the outer tub; the upper end of the vertical air duct 21 is connected to one end of the upper horizontal air duct 22 which is horizontally disposed at the upper portion of the outer tub 2, The other end of the horizontal duct 22 is connected to the upper portion of the outer tub 2.
  • a heat pump system is installed between the upper portion of the outer tub 2 and the outer casing 1.
  • the heat pump system includes: an evaporator 10, a compressor 8, a condenser 9, and a throttling device 12 that are sequentially connected to constitute a circulation passage for circulating a medium.
  • the condenser 9 and the evaporator 10 are disposed in the upper cross duct 22.
  • the compressor 8 is disposed outside the air duct.
  • the throttle device 12 is connected to the evaporator 10 and the other end is connected to the condenser 9; the outlet end of the compressor 8 is connected to the condenser 9, and the inlet end is connected to the evaporator 10.
  • a filter screen 11 is disposed at a corner of the connection between the upper cross duct 22 and the vertical duct 21 .
  • the filter screen 11 covers the cross-sectional arrangement of the air duct, and the thread passing through can be filtered. Thereby, the filter 11, the evaporator 10, the condenser 9, and the fan 7 are sequentially disposed in the direction from the first end to the second end of the duct.
  • the condenser 9 and the fan 7 return from the second end of the air duct to the upper portion of the outer tub 2 to form a circulation of the air passage.
  • a corresponding air channel is installed at the evaporator 10
  • a water collecting box is disposed at the bottom of the air duct, and the water collecting box passes through the condensed water drain pipe 16 and the washing and drying machine. Externally connected.
  • the condensed water which is deposited by the moist hot air at the evaporator is collected by the water collecting tank, and then discharged to the washing and drying machine through the condensed water drain pipe 16.
  • the heat pump system in the air duct portion provided on the upper part of the outer tub, the washing water can not be without the heat pump system when the washing and drying machine is at the highest water level, thereby avoiding the occurrence of damage to the heat pump system due to the excessive water level of the washing and drying machine.
  • one end of the upper horizontal air duct and the upper part of the outer tub is set as a first end of the air duct, and one end of the lower horizontal air duct and the lower outer tub is set as a second air duct.
  • the filter, the evaporator, the condenser, and the fan are sequentially disposed along the first end to the second end of the air passage (not shown in the drawing), so that the gas in the inner tub is in the fan Under the action, the first end of the air duct enters the first end of the air duct, and then flows through the filter screen, the evaporator, the condenser, and the fan, and then flows back from the second end of the air duct to the bottom of the outer tub to form a wind path.
  • the air duct includes a lower cross duct that is in communication with the bottom of the outer tub 2 and is located at a lower portion of the outer tub 2, and is connected to the top of the outer tub 2 and is located on the upper portion of the outer tub 2
  • the horizontal air duct and the vertical air duct which are in the rear part of the outer tub 2 of the washing machine and the upper and lower ends are respectively connected with the upper horizontal air duct and the lower horizontal air duct.
  • a filter screen 11 covering the cross section of the duct is mounted at a corner where the upper cross duct 22 is connected to the vertical duct 21, a filter screen 11 covering the cross section of the duct is mounted.
  • the evaporator 10 of the heat pump system is disposed at the end of the upper cross duct 22 near the corner.
  • the air duct includes a first vertical air duct 17 and a second vertical air duct which are vertically disposed and are connected in order from the beginning to the end and are located at the rear of the outer tub 2.
  • the 18 and the third vertical air duct 19, and the upper horizontal air duct at the upper portion of the outer tub and the lower horizontal air duct at the lower portion of the outer tub form a "concave” type circulating air passage for the outer tub 2 and the air duct.
  • the specific structure of the "concave" type circulating air passage is as follows: The outer tub 2 is disposed near the front side of the outer casing 1, and a third vertical air passage is sequentially disposed between the rear portion of the outer tub 2 and the rear side of the outer casing 1. 19.
  • the lower end of the first vertical air duct 17 is connected to the upper end of the second vertical air duct 18, and the lower end of the second vertical air duct 18 is connected to the lower end of the third vertical air duct 19, and the third vertical wind is connected.
  • the upper end of the duct 19 is connected to the upper end of the outer tub 2 via an upper cross duct provided at an upper portion of the outer tub.
  • a heat pump system is installed between the rear portion of the outer tub 2 and the outer casing 1.
  • the heat pump system includes: an evaporator 10, a compressor 8, a condenser 9, and a throttling device 12 that are sequentially connected to constitute a circulation passage for circulating a medium.
  • the evaporator 10 is disposed in the second vertical air duct 18, and the condenser 9 is disposed in the third vertical air duct 19; the throttle device 12 is disposed on the first vertical air duct 17 and the second Between the vertical ducts 18, the compressor 8 is disposed outside the duct.
  • the throttling device 12 is connected to the evaporator 10 and the other end is connected to the condenser 9; the inlet end of the compressor 8 is connected to the evaporator 10, and the outlet end is connected to the condenser 9.
  • the compressor 8 is disposed below the connection of the second vertical duct 18 and the third vertical duct 19, above the lower cross duct 20, between the first vertical duct 17 and the outer tub 2.
  • the connecting portion of the first vertical air duct 17 and the second vertical air duct 18 is provided with a filter screen 11.
  • the filter screen 11 is composed of a mesh structure with a dense mesh and is disposed to cover the cross section of the air passage to filter the debris and the like contained in the gas flowing through the filter screen 11 to prevent the dust from being blown in. Damage caused in the heat pump system.
  • a fan 7 is disposed in the upper cross duct 22. The fan 7 provides a kinetic energy to cause the gas to flow to form a gas stream.
  • the condenser 9 and the fan 7 return from the second end of the air duct to the upper portion of the outer tub 2 to form a circulation of the air passage.
  • the top of the first vertical air duct 17 is higher than the height of the opening of the outer tub 2.
  • the washing water does not pass the top of the first vertical air duct when the washing and drying machine is at the highest water level. It ensures that the washing water does not come into contact with the heat pump system, and the damage of the heat pump system after contact with the washing water is avoided.
  • the air duct includes a first vertical air duct 17, a second vertical air duct 18, and a third vertical wind which are vertically disposed and connected end to end in the rear of the outer tub 2.
  • the track 19, and the upper cross duct at the upper portion of the outer tub and the lower cross duct at the lower portion of the outer tub, constitute a "concave" type circulating air passage for the outer tub 2 and the air duct.
  • one end of the lower cross duct 20 and the lower part of the outer tub 2 is set as the second end of the air duct, and one end of the upper cross duct 22 and the upper part of the outer tub 2 is set. It is the first end of the wind tunnel.
  • a heat pump system is installed between the rear portion of the outer tub 2 and the outer casing 1.
  • the heat pump system includes: a condenser 9, a throttle device 12, an evaporator 10, and a compressor 8 that are sequentially connected to constitute a circulation passage for circulating a medium.
  • the specific installation position is as follows: a filter screen 11 is disposed in the upper horizontal air duct, and a condensed water drain pipe 16 is connected to the connection portion of the second vertical air duct 18 and the third vertical air duct 19, and the third vertical wind is connected.
  • the evaporator 19 is provided with an evaporator 10 and a condenser 9, and the connecting portion of the first vertical duct 17 and the second vertical duct 18 is provided with a fan 7.
  • the fan provides a kinetic energy, so that the gas in the air circulation passage formed by the outer tub 2 and the air duct, under the action of the fan 7, enters the first end of the air duct from the upper portion of the outer tub 2, and passes through the wind.
  • the filter 11, the evaporator 10, the condenser 9, and the fan 7 in the channel are returned from the second end of the duct to the bottom of the outer tub 2 to form a circulation of the air passage.
  • the air duct includes a first vertical air duct 17, a second vertical air duct 18, and a third vertical air duct 19 which are vertically disposed, which are connected end to end and are connected at the rear of the outer tub 2, And an upper horizontal air passage in the upper part of the outer tub and a lower horizontal air duct in the lower part of the outer tub, so that the outer tub 2 and the air duct form a "concave" type circulating air passage.
  • one end of the lower horizontal air duct 20 and the lower part of the outer tub 2 is set as the first end of the air duct, and one end of the upper cross air duct 22 and the upper part of the outer tub 2 is set. It is the second end of the duct.
  • the specific installation positions of the components in the air duct are as follows: In the upper cross duct 22, a fan 7 is disposed, and the second vertical duct 18 and the third vertical duct 19 are provided.
  • the connecting portion is connected with a condensed water drain pipe 16, and the third vertical air duct 19 is provided with an evaporator 10 and a condenser 9 in order from bottom to top, and the first vertical air duct 17 and the second vertical air duct 18 are arranged.
  • the connection portion is provided with a filter 11.
  • the fan provides a kinetic energy, so that the gas in the air circulation passage formed by the outer tub 2 and the air duct enters the first end of the air duct from the lower portion of the outer tub 2 under the action of the fan 7, and passes through the wind.
  • the air duct includes a first vertical air duct 17 , a second vertical air duct 18 , and a third vertical wind which are vertically disposed and connected end to end and at the rear of the outer tub 2 .
  • the track 19, and the upper cross duct at the upper portion of the outer tub and the lower cross duct at the lower portion of the outer tub, constitute a "concave" type circulating air passage for the outer tub 2 and the air duct.
  • one end of the lower cross duct 20 and the lower part of the outer tub 2 is set as the second end of the air duct, and one end of the upper cross duct 22 and the upper part of the outer tub 2 is set. It is the first end of the wind tunnel.
  • a heat pump system is installed between the rear portion of the outer tub 2 and the outer casing 1.
  • the heat pump system includes: a condenser 9, a throttle device 12, an evaporator 10, and a compressor 8 that are sequentially connected to constitute a circulation passage for circulating a medium.
  • the specific installation position is as follows: a filter screen 11 is disposed in the upper horizontal air duct, and a condensed water drain pipe 16 is connected to the connection portion of the second vertical air duct 18 and the third vertical air duct 19, and the third vertical wind is connected.
  • a filter screen 11 is disposed in the upper horizontal air duct
  • a condensed water drain pipe 16 is connected to the connection portion of the second vertical air duct 18 and the third vertical air duct 19, and the third vertical wind is connected.
  • an evaporator 10 and a condenser 9 are disposed in this order from bottom to top, and the connecting portion of the first vertical duct 17 and the second vertical duct 18 is provided with a fan 7.
  • the fan provides a kinetic energy, so that the gas in the air circulation passage formed by the outer tub 2 and the air duct, under the action of the fan 7, enters the first end of the air duct from the upper portion of the outer tub 2, and passes through the wind.
  • the filter 11, the evaporator 10, the condenser 9, and the fan 7 in the channel are returned from the second end of the duct to the bottom of the outer tub 2 to form a circulation of the air passage.
  • Example 7 This embodiment introduces a drying method of a pulsator heat pump washing and drying machine, which comprises: the humid air in the inner tub 3 enters the air duct, and the heat pump system condenses the moisture in the humid air into condensed water to form The drying gas is returned to the inner tub 3, and the condensed water is discharged to the washing and drying machine.
  • the drying method includes the following steps: 11) the air in the air duct forms a high-temperature drying gas through the heat pump system, and the high-temperature drying gas is blown into the outer tub 2 under the action of the fan 7; 12) the inner tub 3 underwear The moisture on the object exchanges heat with the dry hot air, the moisture absorbs heat into water vapor, forms a moist hot gas, and the moist hot gas flows into the air passage; 13) the hot humid gas contacts the evaporator 10 of the heat pump system, and the heat is transferred to the evaporator 10 In the medium, the temperature of the hot and humid gas is lowered, the condensed water is precipitated, and the condensed water is discharged to the washing and drying machine; 14) At the same time, the hot and humid gas becomes a relatively low-temperature drying gas, and the drying gas passes through the condenser 9 of the heat pump system, and the condenser 9 The medium in the medium emits heat, and the temperature of the drying gas rises to become a high
  • the working steps of the heat pump system are as follows: 21) The medium in the heat pump system absorbs the heat of the air at the evaporator 10 to form a low-pressure superheated steam, and the low-pressure superheated steam passes through the compressor 8, and the low-pressure superheated steam is The compressor is compressed, and the pressure rises to high pressure steam; 22) The high pressure steam is condensed and condensed at the condenser 9, and the liquefaction releases heat to realize secondary utilization of heat.
  • the pulsator 4 in the inner tub 3 of the washing and drying machine rotates, and the clothes in the inner tub 3 are stirred to be turned over, so that the laundry is in full contact with the high-temperature drying gas blown into the inner tub 3 to improve the clothes. Drying efficiency makes the clothes more uniform.
  • the gas entering the air duct from the inner tub 3 is filtered through the filter screen 11 and then enters the heat pump system to prevent debris such as wire dust from entering the evaporator 10 or the condenser 9 of the heat pump system. Causes equipment failure.
  • the temperature of the gas in the air circulation passage increases, and the heat contained in the medium in the heat pump system continuously increases, resulting in the condenser 9 and the evaporator 10.
  • the temperature of the medium in the medium rises, causing the system pressure of the heat pump system to rise.
  • it is necessary to reduce the working speed of the heat pump system by reducing the operating speed of the compressor 8 or other heat-dissipating protection mechanism through the frequency conversion control device to ensure stable and safe operation of the system.
  • the compressor 8 when the surface temperature t1 of the condenser 9 is higher than the set value t l ' and/or the outlet pressure t2 of the compressor 8 is higher than the set value t2 ′ and/or the compressor 8 When the operating current I is greater than the set value , the operating speed of the compressor 8 drops to the set value. When the washing and drying machine starts to dry, the compressor operates at the initial rotation speed nl.
  • the compressor rotation speed decreases from the initial rotation speed nl to n2; when the surface temperature t1 of the condenser 9 rises At t l2', the compressor speed drops from n2 to n3; when the surface temperature tl of the condenser 9 rises to t l3', the compressor speed drops from n3 to n4... until the compressor speed drops to the minimum speed n0
  • the compressor runs at ⁇ speed until the end of drying.
  • the compressor speed value is: n l>n2> n 3> n 4 ⁇ > n 0 ; the set value of the surface temperature of each condenser is: ⁇ 1 ⁇ ⁇ ⁇ 12 ⁇ ⁇ 13 ' ⁇ .
  • the operating current I of the compressor 8 may be greater than the limit value Imax as the temperature in the barrel rises, and the condenser surface temperature reflecting the condensation temperature tl
  • the compressor discharge temperature t2 above the limit value Umax and reflecting the internal temperature of the compressor is higher than the limit value t2max.
  • the compressor 8 is stopped for a certain period of time T, and the condenser surface temperature t1 reflecting the condensation temperature and the compressor discharge temperature t2 reflecting the internal temperature of the compressor are lowered to the normal operating range.
  • the compressor stop working time T is greater than or equal to 3 minutes.
  • the operating current I of the compressor 8 is greater than the limit value Imax or the condenser surface temperature tl reflecting the condensing temperature is higher than the limit value Umax.
  • the compressor discharge temperature t2 reflecting the internal temperature of the compressor is higher than the limit value t2max.
  • the working pressure of the compressor 8 causes the operating current I of the compressor, the condenser surface temperature t1 reflecting the condensing temperature, and the compressor exhaust temperature t2 reflecting the internal temperature of the compressor to fall to the normal operating range.
  • the compressor still does not return to the normal working state, and the compressor 8 is stopped for a certain time T.
  • the T1 is greater than or equal to 3 minutes.
  • the input electric energy of the driving compressor 8 is continuously transmitted by the medium, and is introduced into the circulating air path to heat the gas. Therefore, the heat loss in the entire circulation air path is only the energy consumption that is dissipated into the environment through the outer casing of the washing and drying machine, which reduces the energy loss of the entire system and improves the drying efficiency.
  • the embodiments of the present invention may be further combined or substituted, and the embodiments are merely described for the preferred embodiments of the present invention, and are not intended to limit the scope and scope of the present invention. Various changes and modifications made by those skilled in the art to the technical solutions of the present invention are within the scope of the present invention.

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Abstract

一种波轮式热泵洗干一体机及烘干方法，所述的波轮式热泵洗干一体机包括：外壳（1），安装在外壳（1）内的外桶（2），安装在外桶（2）中的内桶（3），内桶底部设置有波轮（4），外桶（2）下部设置有带动内桶（3）和/或波轮旋转的电机（5）；外桶（2）外部设置有风道和热泵系统，风道将密封的外桶（2）上下两端相连通，风道中安装有热泵系统的蒸发器（10）和冷凝器（9）；所述的热泵系统还包括，节流装置和压缩机，依次连接的蒸发器（10）、压缩机（8）、冷凝器（9）和节流装置（12）构成供介质流动的循环流路。内桶（3）中的潮湿空气进入风道，经热泵系统作用，将潮湿空气中的水分冷凝成冷凝水以形成干燥气体并被再次加热，再次加热的干燥气体回流至内桶（3）中，冷凝水排出洗干一体机。

Description

一种波轮式热泵洗干一体机及烘干方法
技术领域 本发明涉及洗衣机领域的洗干一体机， 尤其涉及一种波轮式热泵洗干一体机及烘干 方法。 背景技术 现有的波轮洗干一体机多为加热管（丝）形式， 其包括直排式波轮洗干一体机和水 冷凝方式的波轮洗干一体机。直排式波轮洗干一体机的外壳与外桶间空气在风扇驱动下 经过加热管（丝）加热后从顶部盖体吹入内桶， 内桶内的衣物中水分与干燥热空气产生 热交换， 水分吸收热量变成蒸汽加入空气中变为湿空气， 湿空气或往上从顶部盖体的空 隙中流走、 或往下经过波轮上的空隙经外桶底部的排水管吹出。 如如申请号为 CN00137763. 9, 的中国专利洗涤干燥机， 本发明中提供一外桶，它弹 性地悬置在一壳体里，一盛放衣物的内桶可转动地支承在外桶里，而一旋转波轮可转动 地设置在内桶的内侧底部。 内桶和 /或波轮由一电动机驱动。 一干燥吹风扇向内桶输送 空气，而一加热器加热由吹风装置输送的空气。 一控制器控制电动机、 干燥吹风扇、 加 热器等的工作，从而控制洗涤、 漂洗、 脱水和干燥各工序。 在脱水工序里，控制器驱动内 桶，同时还驱动干燥吹风扇，以维持向内桶输送空气。 还有采用水冷凝方式的波轮洗干一体机， 空气在风扇驱动下经过加热管 （丝）加热 后从顶部盖体吹入内桶， 内桶内的衣物中水分与干燥热空气产生热交换， 水分吸收热量 变成蒸汽加入空气中，湿空气往下经过波轮上的空隙经外桶下或底部管路到达洗干一体 机后部的水冷凝器， 湿空气与水冷凝器产生热交换析出水分成为相对干燥的空气， 再次 在风扇驱动下经过加热管 （丝） 加热后进行烘干循环。 如申请号为 CN200410033567. 5， 的中国专利洗干一体机， 在本发明中，外桶有弹性 地悬挂在机体的内部，内桶 /波轮轴大致处于铅直方向、用于收容洗涤物的内桶以旋转自 如的方式支承在外桶内，经加热器加热的暖风由干衣鼓风扇送入内桶中。 与外桶的下部 相连接的热交换器对变湿了的暖风进行除湿。 循环除湿通道用于使暖风发生循环，其中 设有热交换器、 干衣鼓风扇、 加热器等装置。 有鉴于此， 特提出本发明。 发明内容 本发明的目的在于提供一种波轮式热泵洗干一体机， 以达到通过热泵系统烘干衣物 的目的。 为实现发明目的， 采用如下技术方案： 一种波轮式热泵洗干一体机， 包括： 外壳， 安装在外壳内的外桶， 安装在外桶中的 内桶， 内桶底部设置有波轮， 外桶下部设置有带动内桶和 /或波轮旋转的电机； 外桶外 部设置有风道和热泵系统， 风道将密封的外桶上下两端相连通， 风道中安装有热泵系统 的蒸发器和冷凝器； 所述的热泵系统还包括， 节流装置和压縮机， 依次连接的蒸发器、 压縮机、 冷凝器和节流装置构成供介质流动的循环流路。 进一步， 风道的两端分别为第一端和第二端， 所述的第一端连接外桶上部或下部， 第二端连接外桶下部或上部， 以使风道和外桶构成循环风路； 在风道中， 从第一端至第 二端依次设置有， 过滤网、 蒸发器、 冷凝器和风扇。 进一步， 所述的冷凝器和蒸发器设置在外桶上部的风道中。 进一步， 在设置有蒸发器的对应风道底部， 连接有排放冷凝水至洗干一体机外部的 冷凝水排水管。 进一步， 所述的风道由下横风道、 竖风道和上横风道构成； 所述的下横风道一端与 外桶底部相连， 另一端向后延伸与竖风道的下端相连接； 竖风道的上端与上横风道一端 相连接， 上横风道的另一端与外桶的上端相连接。 进一步， 所述的压縮机设置在风道外部， 压縮机的出口端与风道内部设置的冷凝器 相连接， 压縮机的进口端与风道内部设置的蒸发器相连接； 所述的节流装置一端与冷凝 器相连接， 另一端与蒸发器相连接。 进一步， 所述的外桶开口处设置有供放置衣物的、 保证外桶密封性的外桶门； 所述 的外桶底部连接有排水管， 所述的排水管上设置有排水阀。 进一步， 外桶后部的风道中安装有蒸发器和冷凝器。 进一步， 所述的风道包括， 竖直设置的、 首尾依次相连接的、 处于外桶后部的第一 竖风道、 第二竖风道和第三竖风道， 以及与第一竖风道下端相连接的下横风道、 与第三 竖风道上端相连接的上横风道； 所述的下横风道与外桶下部相连通， 上横风道与外桶上 部相连通， 使外桶与风道构成 "凹"型循环风路。 进一步， 所述的第一竖风道的顶部高于外桶的开口处高度。 进一步， 在风道第一端与蒸发器之间的风道中设置有过滤网， 所述的第二竖风道与 第三竖风道的连接部连接有冷凝水排水管。 进一步， 当风道的第一端为下横风道与外桶下部相接端时， 所述的第二竖风道中设 置有蒸发器， 所述的第三竖风道中设置有冷凝器。 进一步， 当风道的第一端为上横风道与外桶上部相接端时， 所述的第二竖风道中设 置有冷凝器， 所述的第三竖风道中设置有蒸发器。 进一步，所述的第二竖风道或第三竖直风道中沿气流方向依次设置有蒸发器和冷凝 器。 本发明的另一目的在于提供一种如上任一所述的波轮式热泵洗干一体机的烘干方 法， 外桶中的潮湿空气进入风道， 经热泵系统作用， 将潮湿空气中的水分冷凝， 形成冷 凝水和高温干燥气体， 高温干燥气体回流至外桶中， 冷凝水排出洗干一体机。 进一步， 在烘干过程中， 洗干一体机内桶中的波轮旋转， 搅动内桶中衣物翻转， 使衣物与高温干燥气体充分接触， 以提高衣物的烘干效率， 使衣物烘干更均匀。 从外桶 进入风道的气体， 先经过过滤网过滤线屑后， 再进入热泵系统， 防止了衣物的线屑随气 流进入热泵系统， 造成热泵系统损坏。 进一步，在烘干过程中，热泵系统的工作压力逐渐升高， 当工作压力超过设定值时， 热泵系统的压縮机转速降低； 优选的， 当热泵系统的压縮机转速降低至最小工作转速， 而热泵系统的工作压力达到设定值时， 排水阀开启， 风道与外桶构成的循环风道中的气 体经排水管与外部大气进行热交换， 以降低循环风道中气体温度值， 使热泵系统的工作 负荷下降。 进一步， 当满足下述任一条件时， 热泵系统工作压力超过设定值： 压縮机的运行电 流 I大于极限值 Imax，反映冷凝温度的冷凝器表面温度 t l高于极限值 Umax和反映压 縮机内部温度的压縮机排气温度 t2高于极限值 t2max。 由于上述整个烘干过程中， 驱动压縮机的输入电力能量不断被介质传输， 导入到循 环风路中， 对气体进行加热。 从而， 使得整个循环风路中的热量损耗为通过洗干一体机 的外壳散发到环境中的能耗， 降低了整个系统的能量损耗。 采用上述技术方案， 本发明较现有技术的优势在于： 通过上述装置， 使得风道中湿 热空气温度降低散发的热量， 在介质的作用下从蒸发器传递至冷凝器， 以对干燥气体进 行加热。 从而， 提高了能量的使用效率， 降低了能量损耗。 更特别的是， 本发明中将热 泵系统的蒸发器和冷凝器等部件安装在洗干一体机外壳的上侧，保证了洗干一体机洗涤 时， 洗涤水位不超过热泵系统， 提高了热泵系统的安全性。 同时， 本发明结构简单， 效 果显著， 适宜推广使用。 附图说明 图 1 本发明实施例一和二中洗干一体机的结构示意图； 图 2本发明实施例一中洗干一体机的热泵系统的安装方式； 图 3本发明实施例二中洗干一体机的热泵系统的安装方式； 图 4 本发明实施例三中洗干一体机的结构示意图； 图 5 本发明实施例四中洗干一体机的结构示意图； 图 6本发明实施例五中洗干一体机的结构示意图； 图 7本发明实施例六中洗干一体机的结构示意图。 主要元件说明： 1 外壳， 2 外桶， 3 内桶， 4 波轮， 5 电机， 6—排水管， 7 风扇， 8—压縮机， 9一冷凝器， 10—蒸发器， 11一过滤网， 12—节流装置， 13—外壳 门， 14一外桶门， 15—排水阀， 16—冷凝水排水管， 17 第一竖风道， 18 第二竖风道， 19 第三竖风道， 20—下横风道， 21—竖风道， 22—上横风道。 具体实施方式 下面结合实施例对本发明进行进一步详细的说明。 实施例 1 如图 1所示， 本实施例介绍了一种波轮式热泵洗干一体机， 包括： 外壳 1， 安装在 外壳 1内的外桶 2， 安装在外桶 2中的、轴线与竖直方向成锐角或重合的内桶 3， 内桶 3 底部设置有波轮 4， 外桶 2下部设置有带动内桶 3和 /或波轮 4旋转的电机 5。 所述的外 壳 1的上部开口， 开口处设置有可开闭的外壳门 13， 使衣物经外壳门 13投放入内桶 3 中。所述的外桶 2的上部开口处设置有可开闭的外桶门 14，所述的外桶 2底部设置有排 水管 6， 所述的排水管 6上设置有排水阀 15。 本实施例中， 所述的洗干一体机外壳 1中还安装有风道， 所述的风道设置在外壳 1 与外桶 2之间， 风道由依次首尾相接的下横风道 20、竖风道 21和上横风道 22构成， 以 使风道和外桶构成 "口"型循环风路。 所述的洗干一体机的外桶 2底部经三通与风道和 排水管 6分别相连接， 所述的排水管 6另一端延伸至洗干一体机外部， 所述的排水管 6 上设置有排水阀 15。 通过外桶门 14与排水阀 15的开闭以保证由外桶 2、 风道构成的风 路循环通道的气密性。 本实施例中， 所述的外桶 2设置在靠近外壳 1的前侧。 所述的外桶 2与风道构成的
"口"型循环风路的具体结构如下： 外桶 2的底部与下横风道 20的一端相连接， 下横 风道 20的另一端沿水平方向延伸至外壳 1后部；所述的下横风道 20的另一端与竖直设 置在外桶后部的竖风道 21的下端相连接； 竖风道 21的上端与水平设置在外桶 2上部的 上横风道 22的一端相连接，上横风道 22的另一端与外桶 2的上部相连接。本实施例中， 为便于描述， 将下横风道 20与外桶 2下部相连接的一端设定为风道的第一端， 上横风 道 22与外桶 2上部相连接的一端设定为风道的第二端。 本实施例中，在外桶 2上部、与外壳 1之间安装有热泵系统。所述的热泵系统包括: 依次连通的蒸发器 10、压縮机 8、冷凝器 9和节流装置 12， 以构成供介质循环流动的循 环通道。 所述的冷凝器 9和蒸发器 10设置在上横风道 22中。 所述的压縮机 8设置在风 道外部。 节流装置 12—端与蒸发器 10相连， 另一端与冷凝器 9相连； 压縮机 8的出口 端与冷凝器 9相连接， 进口端与蒸发器 10相连接。 所述的上横风道 22与竖风道 21的 连接拐角处， 设置有过滤网 11。 所述的过滤网 11覆盖风道的横截面设置， 可将流经的 线屑过滤。 从而， 使得过滤网 11、 蒸发器 10、 冷凝器 9、 和风扇 7， 沿风道的第一端至 第二端方向依次设置。 从而， 使得由外桶 2和风道构成的风路循环通道中的气体， 在风 扇 7的作用下， 从外桶 2底部进入风道的第一端， 并经风道中的过滤网 11、 蒸发器 10、 冷凝器 9、 风扇 7后， 从风道第二端回流至外桶 2上部， 以形成风路循环。 如图 2所示， 本实施例中， 安装有蒸发器 10的对应风道处， 在风道底部设置有集 水盒， 所述的集水盒经冷凝水排水管 16与洗干一体机的外部相连。 从而， 使得湿热空 气在蒸发器处析出的冷凝水经集水盒收集， 再经冷凝水排水管 16排出洗干一体机。 通过在外桶上部设置的风道部分中安装热泵系统， 使得洗干一体机在最高水位时， 洗涤水无法没过热泵系统， 避免了因洗干一体机水位过高， 热泵系统损坏现象的发生。 本实施例中， 还可以上横风道与外桶上部相连接的一端设定为风道的第一端， 将下 横风道与外桶下部相连接的一端设定为风道的第二端， 将过滤网、 蒸发器、 冷凝器、 风 扇沿风道的第一端至第二端方向依次设置（未在附图中标注） ， 使内桶中的气体在风扇 作用下， 从外桶上部进入风道的第一端， 再依次流经过滤网、蒸发器、冷凝器、风扇后， 从风道第二端回流至外桶底部， 以形成风路。 实施例 2 本实施例中，所述的风道包括与外桶 2底部相连通的、处于外桶 2下部的下横风道， 与外桶 2顶部相连通的、 处于外桶 2上部的上横风道以及处于洗衣机外桶 2后部的、 上 下两端分别与上横风道和下横风道相连通的竖风道。 如图 3所示， 在上横风道 22与竖风道 21相连接的拐角处， 安装有覆盖风道横断面 的过滤网 11。热泵系统的蒸发器 10设置在靠近拐角的上横风道 22端部。在风道底部设 置有一斜面 17， 所述的斜面 17为一向拐角处逐渐向下倾斜的斜坡。 从而， 使流经蒸发 器的潮湿空气中析出的冷凝水， 沿风道底部的斜面 17流至拐角， 再沿竖风道 21、 下横 风道 20流动至排水阀 15处， 最后经排水管 6排至洗干一体机外部。 实施例 3 如图 4所示， 本实施例中， 所述的风道包括竖直设置的、 首尾依次相连接的、 处于 外桶 2后部的第一竖风道 17、 第二竖风道 18和第三竖风道 19， 以及处于外桶上部的上 横风道、 处于外桶下部的下横风道构成， 使外桶 2与风道构成 "凹"型循环风路。 所述 的 "凹"型循环风路的具体结构如下： 所述的外桶 2设置在靠近外壳 1的前侧， 在外桶 2后部与外壳 1后侧之间依次设置有第三竖风道 19、 第二竖风道 18和第一竖风道 17; 所述的外桶 2的底部与下横风道的一端相连接， 另一端向后延伸至外桶后部、 与第一竖 风道的下端相连接； 第一竖风道 17的上端与第二竖风道 18的上端相连接， 第二竖风道 18的下端与第三竖风道 19的下端相连接，第三竖风道 19的上端经外桶上部设置的上横 风道与外桶 2的上端相连接。 本实施例中， 为便于描述， 将下横风道 20与外桶 2下部 相连接的一端设定为风道的第一端， 上横风道 22与外桶 2上部相连接的一端设定为风 道的第二端。 本实施例中，在外桶 2后部、与外壳 1之间安装有热泵系统。所述的热泵系统包括： 依次连通的蒸发器 10、压縮机 8、冷凝器 9和节流装置 12， 以构成供介质循环流动的循 环通道。 所述的蒸发器 10设置在第二竖风道 18中， 所述的冷凝器 9设置在第三竖风道 19中； 所述的节流装置 12设置在第一竖风道 17与第二竖风道 18之间， 所述的压縮机 8设置在风道外部。 节流装置 12—端与蒸发器 10相连， 另一端与冷凝器 9相连； 所述 的压縮机 8的进口端与蒸发器 10相连接， 出口端与冷凝器 9相连接。 本实施例中， 优 选的， 将压縮机 8设置在第二竖风道 18和第三竖风道 19连接部的下方、 下横风道 20 的上方、 第一竖风道 17与外桶 2之间。 本实施例中，所述的第一竖风道 17与第二竖风道 18的连接部设置有过滤网 11。所 述的过滤网 11， 由网眼较密的网状结构构成， 并覆盖风道的横断面设置， 以将流经过滤 网 11的气体中含有的线屑等杂物过滤， 避免线屑吹入热泵系统中， 造成的损坏。 所述 的上横风道 22中设置有风扇 7。 所述的风扇 7， 提供一动能， 使气体流动形成气流。 从 而， 使得由外桶 2和风道构成的风路循环通道中的气体， 在风扇 7的作用下， 从外桶 2 底部进入风道的第一端， 并经风道中的过滤网 11、 蒸发器 10、 冷凝器 9、 风扇 7后， 从 风道第二端回流至外桶 2上部， 以形成风路循环。 本实施例中， 所述的第一竖风道 17的顶部高于外桶 2的开口处高度。 通过在风道 第一端与蒸发器之间设置高于外桶开口高度的第一竖风道，使得洗干一体机在最高水位 时， 洗涤水也不会没过第一竖风道顶端， 保证了洗涤水不与热泵系统接触， 避免了热泵 系统与洗涤水接触后发生损坏的现象。 实施例 4 本实施例中， 所述的风道包括竖直设置的、 首尾依次相连接的、 处于外桶 2后部的 第一竖风道 17、 第二竖风道 18和第三竖风道 19， 以及处于外桶上部的上横风道、 处于 外桶下部的下横风道构成， 使外桶 2与风道构成 "凹"型循环风路。 本实施例中， 为便 于描述， 将下横风道 20与外桶 2下部相连接的一端设定为风道的第二端， 上横风道 22 与外桶 2上部相连接的一端设定为风道的第一端。 如图 5所示，在外桶 2后部、与外壳 1之间安装有热泵系统。所述的热泵系统包括： 依次连通的冷凝器 9、节流装置 12、蒸发器 10和压縮机 8， 以构成供介质循环流动的循 环通道。 具体安装位置如下： 在上横风道中设置有过滤网 11， 所述的第二竖风道 18与 第三竖风道 19的连接部连接有冷凝水排水管 16，所述的第三竖风道 19中设置有蒸发器 10、 冷凝器 9， 所述的第一竖风道 17与第二竖风道 18的连接部设置有风扇 7。 本实施例中，风扇提供一动能，使得由外桶 2和风道构成的风路循环通道中的气体， 在风扇 7的作用下， 从外桶 2上部进入风道的第一端， 并经风道中的过滤网 11、蒸发器 10、 冷凝器 9、 风扇 7后， 从风道第二端回流至外桶 2底部， 以形成风路循环。 实施例 5 本实施例中， 所述的风道包括竖直设置的、 首尾依次相连接的、 处于外桶 2后部的 第一竖风道 17、 第二竖风道 18和第三竖风道 19， 以及处于外桶上部的上横风道、 处于 外桶下部的下横风道构成， 使外桶 2与风道构成 "凹"型循环风路。 本实施例中， 为便 于描述， 将下横风道 20与外桶 2下部相连接的一端设定为风道的第一端， 上横风道 22 与外桶 2上部相连接的一端设定为风道的第二端。 如图 6所示， 本实施例中， 风道中各部件的具体安装位置如下： 在上横风道 22中 设置有风扇 7，所述的第二竖风道 18与第三竖风道 19的连接部连接有冷凝水排水管 16， 所述的第三竖风道 19中由下至上依次设置有蒸发器 10、 冷凝器 9， 所述的第一竖风道 17与第二竖风道 18的连接部设置有过滤网 11。 本实施例中，风扇提供一动能，使得由外桶 2和风道构成的风路循环通道中的气体， 在风扇 7的作用下， 从外桶 2下部进入风道的第一端， 并经风道中的过滤网 11、蒸发器 10、 冷凝器 9、 风扇 7后， 从风道第二端回流至外桶 2上部， 以形成风路循环。 实施例 6 本实施例中， 所述的风道包括竖直设置的、 首尾依次相连接的、 处于外桶 2后部的 第一竖风道 17、 第二竖风道 18和第三竖风道 19， 以及处于外桶上部的上横风道、 处于 外桶下部的下横风道构成， 使外桶 2与风道构成 "凹"型循环风路。 本实施例中， 为便 于描述， 将下横风道 20与外桶 2下部相连接的一端设定为风道的第二端， 上横风道 22 与外桶 2上部相连接的一端设定为风道的第一端。 如图 7所示，在外桶 2后部、与外壳 1之间安装有热泵系统。所述的热泵系统包括： 依次连通的冷凝器 9、节流装置 12、蒸发器 10和压縮机 8， 以构成供介质循环流动的循 环通道。 具体安装位置如下： 在上横风道中设置有过滤网 11， 所述的第二竖风道 18与 第三竖风道 19的连接部连接有冷凝水排水管 16，所述的第三竖风道 19中由下至上依次 设置有蒸发器 10、 冷凝器 9， 所述的第一竖风道 17与第二竖风道 18的连接部设置有风 扇 7。 本实施例中，风扇提供一动能，使得由外桶 2和风道构成的风路循环通道中的气体， 在风扇 7的作用下， 从外桶 2上部进入风道的第一端， 并经风道中的过滤网 11、蒸发器 10、 冷凝器 9、 风扇 7后， 从风道第二端回流至外桶 2底部， 以形成风路循环。 实施例 7 本实施例介绍了一种波轮式热泵洗干一体机的烘干方法， 其包括： 内桶 3中的潮湿 空气进入风道， 经热泵系统作用， 将潮湿空气中的水分冷凝成冷凝水以形成干燥气体， 干燥气体回流至内桶 3中， 冷凝水排出洗干一体机。 本实施例中， 所述的烘干方法包括如下步骤： 11 )风道中的空气经热泵系统形成高 温干燥气体， 高温干燥气体在风扇 7的作用下， 吹入外桶 2; 12 ) 内桶 3内衣物上的水 分与干燥热空气产生热交换， 水分吸收热量变成水蒸汽， 形成湿热气体， 湿热气体流入 风道； 13 ) 湿热气体与热泵系统的蒸发器 10接触， 热量传递到蒸发器 10中的介质中， 湿热气体的温度降低， 析出冷凝水， 冷凝水排出洗干一体机； 14) 同时， 湿热气体变为 温度相对低的干燥气体， 干燥气体经过热泵系统的冷凝器 9， 冷凝器 9中的介质放出热 量， 干燥气体的温度升高变为高温干燥气体， 所述的高温干燥气体再经风扇 7作用， 回 流至外桶 2中。 本实施例中， 热泵系统的工作步骤如下， 21 ) 热泵系统中的介质， 在蒸发器 10处 吸收空气的热量， 形成低压过热蒸汽， 低压过热蒸汽经压縮机 8的作用， 低压过热蒸汽 被压縮机压縮， 压力升高变为高压蒸汽； 22 ) 高压蒸汽在冷凝器 9处散热冷凝， 液化放 出热量， 实现热量二次利用。 本实施例中， 在烘干过程中， 洗干一体机内桶 3中的波轮 4旋转， 搅动内桶 3中衣物翻转， 使衣物与吹入内桶 3中的高温干燥气体充分接触， 以 提高衣物的烘干效率， 使衣物烘干更均匀。 本实施例中， 从内桶 3进入风道的气体， 先 经过过滤网 11过滤线屑后， 再进入热泵系统， 以避免因线屑等杂物进入热泵系统的蒸 发器 10或冷凝器 9中， 造成设备的故障。 本实施例中， 整个烘干过程中， 随着热泵系统工作时间的增加， 风道循环通道中气 体的温度升高， 热泵系统中介质所含的热量持续增加， 导致冷凝器 9与蒸发器 10中的 介质温度升高， 造成热泵系统的系统压力值升高。 为使烘干过程中， 热泵系统工作压力 稳定安全工作，就需要通过变频控制装置降低压縮机 8运行转速或其他散热保护机构等 调节热泵系统的工作压力， 保证系统稳定安全工作。 本实施例中， 当冷凝器 9表面温度 t l高于设定值 t l'和 /或压縮机 8出口压縮机排 气温度 t2高于设定值 t2'和 /或压縮机 8的工作电流 I大于设定值 Γ时， 压縮机 8的工作 转速下降至设定值。 在洗干一体机开始烘干时， 压縮机以初始转速 nl进行工作。 当冷凝器 9表面温度 t l上升到 t i l'时， 压縮机转速从初始转速 nl下降到 n2; 当冷凝器 9表面温度 t l上升 到 t l2'时， 压縮机转速从 n2下降到 n3; 当冷凝器 9表面温度 t l上升到 t l3'时， 压縮机 转速从 n3下降到 n4…直至压縮机转速下降至最低转速 n0， 压縮机以 ηθ转速运行到烘 干结束。 所述的压縮机转速值大小为： nl〉n2〉n3〉n4〜〉n0; 所述的各冷凝器表面温度的 设定值大小为： ΐ 1 Γ〈ΐ 12〈ΐ 13'〈···。 在烘干过程的最后阶段， 压縮机按照 ηθ转速运行时， 随桶内温度的升高， 也可能 造成压縮机 8的运行电流 I大于极限值 Imax， 反映冷凝温度的冷凝器表面温度 t l高于 极限值 Umax和反映压縮机内部温度的压縮机排气温度 t2高于极限值 t2max。 此时， 压縮机 8停止工作一定时间 T， 使反映冷凝温度的冷凝器表面温度 t l和反映压縮机内 部温度的压縮机排气温度 t2下降至正常工作范围。 优选的， 所述的压縮机停止工作时 间 T大于等于 3分钟。 本实施例中， 在烘干过程的最后阶段， 当压縮机按照 ηθ转速运行， 而压縮机 8的 运行电流 I大于极限值 Imax或反映冷凝温度的冷凝器表面温度 t l高于极限值 Umax 或反映压縮机内部温度的压縮机排气温度 t2高于极限值 t2max。 还可以， 将排水阀 15 打开， 外桶 2和风道中的气体经排水管 6与外部大气相交换， 以降低循环风路中的气体 温度值， 进而降低压縮机 8中介质的温度， 降低压縮机 8的工作压力， 使压縮机的运行 电流 I， 反映冷凝温度的冷凝器表面温度 t l和反映压縮机内部温度的压縮机排气温度 t2下降至正常工作范围。 优选的， 当排水阀开启一定时间 T1后， 压縮机依然没有恢复 至正常工作状态， 将压縮机 8停止工作一定时间 T。 进一步优选的， 所述的 T1大于等 于 3分钟。 由于上述整个烘干过程中， 驱动压縮机 8的输入电力能量不断被介质传输， 导入到 循环风路中， 对气体进行加热。 从而， 使得整个循环风路中的热量损耗仅为通过洗干一 体机的外壳散发到环境中的能耗， 降低了整个系统的能量损耗， 提高了烘干效率。 上述实施例中的实施方案可以进一步组合或者替换，且实施例仅仅是对本发明的优 选实施例进行描述， 并非对本发明的构思和范围进行限定， 在不脱离本发明设计思想的 前提下， 本领域中专业技术人员对本发明的技术方案作出的各种变化和改进， 均属于本 发明的保护范围。

Claims

权 利 要 求 书
1、 一种波轮式热泵洗干一体机， 包括： 外壳， 安装在外壳 （1 ) 内的外桶 （2) ， 安装在外桶 （2) 中的内桶 （3) ， 内桶 （3) 底部设置有波轮 （4) ， 外桶 （2) 下部设 置有带动内桶 （3) 和 /或波轮 （4) 旋转的电机 （5) ； 其特征在于， 外桶 （2) 外部设 置有风道和热泵系统， 风道将密封的外桶 （2) 上下两端相连通， 风道中安装有热泵系 统的蒸发器 （10) 和冷凝器 （9) ； 所述的热泵系统还包括， 节流装置 （12) 和压縮机 (8) ， 依次连接的蒸发器 （10) 、 压縮机 （8) 、 冷凝器 （9) 和节流装置 （12) 构成 供介质流动的循环流路。
2、 根据权利要求 1所述的一种波轮式热泵洗干一体机， 其特征在于： 风道的两端 分别为第一端和第二端， 所述的第一端连接外桶（2)上部或下部， 第二端连接外桶（2) 下部或上部， 以使风道和外桶 （2) 构成循环风路； 在风道中， 从第一端至第二端依次 设置有， 过滤网 （11 ) 、 蒸发器 （10) 、 冷凝器 （9) 和风扇 （7) 。
3、 根据权利要求 2所述的一种波轮式热泵洗干一体机， 其特征在于： 所述的冷凝 器 （9) 和蒸发器 （10) 设置在外桶 （2) 上部的风道中。
4、 根据权利要求 3所述的一种波轮式热泵洗干一体机， 其特征在于： 在设置有蒸 发器（ 10)的对应风道底部，连接有排放冷凝水至洗干一体机外部的冷凝水排水管（ 16)。
5、 根据权利要求 2或 3 所述的一种波轮式热泵洗干一体机， 其特征在于： 所述的 风道由下横风道 （20) 、 竖风道 （21 ) 和上横风道 （22) 构成； 所述的下横风道 （20) 一端与外桶（2)底部相连， 另一端向后延伸与竖风道（21 )的下端相连接； 竖风道（21 ) 的上端与上横风道 （22) —端相连接， 上横风道 （22) 的另一端与外桶 （2) 的上端相 连接。
6、 根据权利要求 5所述的一种波轮式热泵洗干一体机， 其特征在于： 所述的压縮 机 （8) 设置在风道外部， 压縮机 （8) 的出口端与风道内部设置的冷凝器 （9)相连接， 压縮机 （8) 的进口端与风道内部设置的蒸发器 （10) 相连接； 所述的节流装置 （12) 一端与冷凝器 （9) 相连接， 另一端 （12) 与蒸发器 （10) 相连接。
7、 根据权利要求 1所述的一种波轮式热泵洗干一体机， 其特征在于： 所述的外桶 ( 2) 开口处设置有供放置衣物的、 保证外桶密封性的外桶门 （14) ； 所述的外桶 （2) 底部连接有排水管 （6) ， 所述的排水管 （6) 上设置有排水阀 （15) 。
8、 根据权利要求 1所述的一种波轮式热泵洗干一体机， 其特征在于： 外桶 （2)后 部的风道中安装有蒸发器 （10) 和冷凝器 （9) 。
9、 根据权利要求 8所述的一种波轮式热泵洗干一体机， 其特征在于： 所述的风道 包括， 竖直设置的、 首尾依次相连接的、 处于外桶 （2) 后部的第一竖风道 （17) 、 第 二竖风道 （18) 和第三竖风道 （19) ， 以及与第一竖风道 （17) 下端相连接的下横风道 ( 20) 、 与第三竖风道 （19) 上端相连接的上横风道 （22) ； 所述的下横风道 （20) 与 外桶 （2) 下部相连通， 上横风道 （22) 与外桶 （2) 上部相连通， 使外桶 （2) 与风道 构成 "凹"型循环风路。
10、 根据权利要求 9所述的一种波轮式热泵洗干一体机， 其特征在于： 所述的第一 竖风道 （17) 的顶部高于外桶 （2) 的开口处高度。
11、 根据权利要求 9所述的一种波轮式热泵洗干一体机， 其特征在于： 在风道第一 端与蒸发器 （10) 之间的风道中设置有过滤网 （11 ) ， 所述的第二竖风道 （18) 与第三 竖风道 （19) 的连接部连接有冷凝水排水管 （16) 。
12、 根据权利要求 11所述的一种波轮式热泵洗干一体机， 其特征在于： 当风道的 第一端为下横风道 （20) 与外桶 （2) 下部相接端时， 所述的第二竖风道 （18) 中设置 有蒸发器 （10) ， 所述的第三竖风道 （19) 中设置有冷凝器 （9) 。
13、 根据权利要求 11所述的一种波轮式热泵洗干一体机， 其特征在于： 当风道的 第一端为上横风道 （22) 与外桶 （2) 上部相接端时， 所述的第二竖风道 （18) 中设置 有冷凝器 （9) ， 所述的第三竖风道 （19) 中设置有蒸发器 （10) 。
14、 根据权利要求 11所述的一种波轮式热泵洗干一体机， 其特征在于： 所述的第 二竖风道 （18) 或第三竖直风道 （23) 中沿气流方向依次设置有蒸发器 （10)和冷凝器 (9) 。
15、 一种如权利要求 1至 14任一所述的波轮式热泵洗干一体机的烘干方法， 其特 征在于： 外桶 （2) 中的潮湿空气进入风道， 经热泵系统作用， 将潮湿空气中的水分冷 凝， 形成冷凝水和高温干燥气体， 高温干燥气体回流至外桶 （2) 中， 冷凝水排出洗干 一体机。
16、 根据权利要求 15所述的一种烘干方法， 其特征在于： 在烘干过程中， 洗干一 体机内桶中的波轮旋转， 搅动内桶中衣物翻转， 使衣物与高温干燥气体充分接触。
17、 根据权利要求 15所述的一种烘干方法， 其特征在于： 在烘干过程中， 热泵系 统的工作压力逐渐升高， 当工作压力超过设定值时， 热泵系统的压縮机转速降低。
18、 根据权利要求 17所述的一种烘干方法， 其特征在于： 当热泵系统的压縮机转 速降低至最小工作转速， 而热泵系统的工作压力依然达到设定值时， 排水阀（15)开启， 风道与外桶 （2) 构成的循环风道中的气体经排水管 （6) 与外部大气进行热交换， 以降 低循环风道中气体温度值， 使热泵系统的工作负荷下降。
PCT/CN2013/090113 2013-10-30 2013-12-20 一种波轮式热泵洗干一体机及烘干方法 WO2015062148A1 (zh)

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