WO2022022170A1 - 洗干一体机 - Google Patents

洗干一体机 Download PDF

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Publication number
WO2022022170A1
WO2022022170A1 PCT/CN2021/101623 CN2021101623W WO2022022170A1 WO 2022022170 A1 WO2022022170 A1 WO 2022022170A1 CN 2021101623 W CN2021101623 W CN 2021101623W WO 2022022170 A1 WO2022022170 A1 WO 2022022170A1
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WO
WIPO (PCT)
Prior art keywords
filter element
drying
air duct
filter
box body
Prior art date
Application number
PCT/CN2021/101623
Other languages
English (en)
French (fr)
Inventor
刘凯
侯永顺
周方正
Original Assignee
重庆海尔滚筒洗衣机有限公司
海尔智家股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 重庆海尔滚筒洗衣机有限公司, 海尔智家股份有限公司 filed Critical 重庆海尔滚筒洗衣机有限公司
Priority to EP21849104.1A priority Critical patent/EP4144909A4/en
Publication of WO2022022170A1 publication Critical patent/WO2022022170A1/zh
Priority to US18/156,236 priority patent/US20230220606A1/en

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    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/10—Filter screens essentially made of metal
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1669—Cellular material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D39/00—Filtering material for liquid or gaseous fluids
    • B01D39/14—Other self-supporting filtering material ; Other filtering material
    • B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
    • B01D39/1692—Other shaped material, e.g. perforated or porous sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/0002—Casings; Housings; Frame constructions
    • B01D46/0005—Mounting of filtering elements within casings, housings or frames
    • B01D46/0006—Filter elements or cartridges installed in a drawer-like manner
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
    • B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/42—Auxiliary equipment or operation thereof
    • B01D46/4227—Manipulating filters or filter elements, e.g. handles or extracting tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
    • B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
    • B01D46/66—Regeneration of the filtering material or filter elements inside the filter
    • B01D46/69—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side without movement with respect to the filter elements, e.g. fixed nozzles
    • 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
    • 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 
    • D06F58/26—Heating arrangements, e.g. gas heating equipment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04—Additives and treatments of the filtering material
    • B01D2239/0471—Surface coating material
    • B01D2239/0478—Surface coating material on a layer of the filter
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/06—Filter cloth, e.g. knitted, woven non-woven; self-supported material
    • B01D2239/065—More than one layer present in the filtering material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/12—Special parameters characterising the filtering material
    • B01D2239/1291—Other parameters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2271/00—Sealings for filters specially adapted for separating dispersed particles from gases or vapours
    • B01D2271/02—Gaskets, sealings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2279/00—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses
    • B01D2279/55—Filters adapted for separating dispersed particles from gases or vapours specially modified for specific uses for cleaning appliances, e.g. suction cleaners
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • D06F58/24—Condensing arrangements

Definitions

  • the present application relates to the technical field of household appliances, and in particular, to an all-in-one washing and drying machine with washing and drying functions.
  • the washer-drying machine With the improvement of people's living quality, the washer-drying machine has become one of the indispensable household appliances in people's daily life. In recent years, more and more washing-drying machines with both washing and drying functions have been obtained People favor.
  • an integrated washing and drying machine includes a box body, an inner and outer cylinder assembly installed in the box body, and a drying air duct communicated with the inner and outer cylinder assemblies, and a heat exchange device is arranged inside the drying air duct.
  • a heat exchange device is arranged inside the drying air duct.
  • the humid air entering the drying air duct through the air inlet of the drying air duct will also carry a certain amount of sundries, which are easy to block and change. Heat device, reduce drying efficiency.
  • the application provides an all-in-one washing and drying machine, which can prevent sundries in the clothes from entering the heat exchange device and block the heat exchange device during the process of drying clothes, thereby facilitating the improvement of washing and drying. All-in-one drying efficiency.
  • the application provides an integrated washing and drying machine, comprising a box body, an inner and outer cylinder assembly installed in the box body, a drying air duct arranged between the box body and the inner and outer cylinder assemblies, and a drying air duct arranged in the drying
  • the heat exchange device in the dry air duct ; the air inlet and the air outlet of the drying air duct are both communicated with the inner and outer cylinder assemblies, the air inlet is blocked with a first filter element, and the first filter element is connected to the A second filter element is arranged between the heat exchange devices; a flushing nozzle is arranged in the drying air duct, and the flushing nozzle is arranged between the first filter element and the second filter element, and is used for Wash the debris trapped on the first filter element.
  • the side wall of the drying air duct is provided with a first opening
  • the box body is provided with a second opening adapted to the first opening
  • the second opening is provided with the first opening.
  • the filter element is pluggably installed in the first opening and the second opening.
  • the second opening of the box body is located on the side surface or the top surface of the box body.
  • the second filter element is provided with a handle assembly, and the handle assembly includes a handle and an end cover; the handle is exposed outside the box, and the end cover is located on the outside of the box.
  • the inner side of the grip handle covers the first opening of the drying air duct.
  • the end cover is provided with a sealing rubber ring for sealing the first opening.
  • the first filter element includes a metal filter screen.
  • the surface of the metal filter screen is provided with a release coating.
  • the mesh of the metal filter screen is not larger than 50 meshes.
  • the second filter element includes a nylon filter screen.
  • the mesh of the nylon filter screen is not less than 140 meshes.
  • the second filter element further comprises a mesh foam, and the mesh foam is arranged on the side of the nylon filter facing the heat exchange device.
  • the integrated washing and drying machine of the present application includes a box body, an inner and outer cylinder assembly installed in the box body, a drying air duct arranged between the box body and the inner and outer cylinder assemblies, and a drying air duct arranged in the drying chamber. Heat exchangers in dry air ducts.
  • the moist air in the inner and outer cylinder assemblies can enter the heat exchange device through the air inlet of the drying air duct for condensation and heating to obtain High-temperature dry air
  • the high-temperature dry air can enter the inner and outer cylinder assemblies through the air outlet of the drying air duct and absorb the moisture in the clothes to become moist air
  • the moist air continues to enter the heat exchange device from the air inlet of the drying duct In this way, the cycle is reciprocated to achieve drying of the clothes.
  • the moist air needs to pass through the first filter element and the heat exchange device before entering the heat exchange device.
  • the double filtration of the second filter element is used to filter out debris and other debris carried in the humid air, so as to prevent the dander from entering the heat exchange device with the humid air and block the heat exchange device, which is beneficial to improve washing and drying.
  • the drying efficiency of the all-in-one machine reduces the energy consumption of the washer-drying machine.
  • the water trapped in the first filter element can be flushed.
  • the user does not need to manually clean the first filter element, which simplifies the cleaning process of the first filter element; moreover, due to the existence of the first filter element , the debris and other debris can be trapped on the first filter element first, reducing the amount of debris that needs to be filtered by the second filter element, thereby reducing the frequency of cleaning the second filter element by the user, which is conducive to improving user experience.
  • Fig. 1 is the structural representation of the integrated washing and drying machine of the present application
  • FIG. 2 is a schematic structural diagram of an inner and outer cylinder assembly, a drying air duct, a heat exchange device, etc. in the integrated washing and drying machine of the present application;
  • FIG. 3 is a partial cross-sectional view of the second filter element in the washer-drying machine of the present application when it is pulled out;
  • FIG. 4 is a schematic structural diagram of the second filter element inserted into the drying air duct in the washer-drying integrated machine of the present application;
  • FIG. 5 is a schematic structural diagram of the second filter part pulled out of the drying air duct in the integrated washing and drying machine of the present application.
  • a washing and drying machine with both washing and drying functions usually includes a box body, an inner and outer cylinder assembly installed in the box body, a drying air duct arranged between the box body and the inner and outer cylinder assembly, and a drying air duct arranged in the drying chamber.
  • Heat exchange device in the air duct includes an evaporator and a condenser.
  • the humid air inside the inner and outer cylinder assemblies first enters the evaporator through the air inlet of the drying air duct to condense and separate the water vapor in the humid air to obtain dry air. Entering into the condenser and heating to obtain high-temperature dry air, the high-temperature dry air then enters the inner and outer cylinder assemblies and absorbs the moisture in the clothes to become moist air.
  • the dander and other sundries in the clothes will enter the evaporator and condenser in the air duct with the flowing air, which will cause the evaporator and condenser to be blocked, which will affect the washing machine.
  • the drying efficiency of the dryer In the related art, a filter structure is provided in the upstream air duct of the evaporator and the condenser.
  • this filter structure has poor filtering effect, resulting in the accumulation of debris in the evaporator and the condenser, thereby affecting the washing and drying machine.
  • the amount of debris that needs to be filtered is relatively large, which causes the user to frequently disassemble and clean the filter structure, thereby reducing the user experience.
  • inventions of the present application provide an integrated washing and drying machine.
  • the integrated washing and drying machine is provided with a first filter element and a second filter element, so that the humid air needs to pass through the first filter element before entering the heat exchange device.
  • the double filtration of the filter element and the second filter element can improve the filtering effect of debris such as dander, and prevent the debris from entering the heat exchange device with the humid air and block the heat exchange device, which is conducive to improving the washing and drying integration.
  • the drying efficiency of the machine can be reduced, and the energy consumption of the washer-drying machine can be reduced.
  • the first filter element can be flushed to clean up the sundries attached to the first filter element, thereby simplifying the first filter element Moreover, due to the existence of the first filter element, the debris can be filtered on the first filter element first, which reduces the amount of debris that needs to be filtered by the second filter element, so as to reduce the cleaning of the second filter element by the user. frequency, which is conducive to improving the user experience.
  • FIG. 1 is the structural schematic diagram of the washer-drying machine of the present application
  • Fig. 2 is the structural schematic diagram of the inner and outer cylinder assembly, drying air duct and heat exchange device etc. in the washer-drying all-in-one machine of the present application
  • Fig. 3 is the washing and drying machine of the present application A partial cross-sectional view of the second filter element in the integrated drying machine when it is pulled out
  • FIG. 4 is a schematic structural diagram of the second filter element being inserted into the drying air duct in the integrated washer-drying machine of the present application
  • FIG. 5 is the integrated washer-drying machine of the present application. Schematic diagram of the structure in which the second filter part is pulled out of the drying air duct.
  • the present embodiment provides an integrated washing and drying machine, which includes a box body 500 , an inner and outer cylinder assembly 100 installed in the box body 500 , and an inner and outer cylinder assembly 100 arranged in the box body 500
  • the inner and outer cylinder assembly 100 includes an outer cylinder installed in the box body 500 and a rotatable inner cylinder arranged in the outer cylinder.
  • the items to be washed or dried are placed in the inner cylinder for washing or drying.
  • the heat exchange device 300 includes an evaporator 310 and a condenser 320 .
  • the evaporator 310 is disposed upstream of the condenser 320 .
  • the evaporator 310 is used to condense and separate the moisture in the humid air to obtain dry air;
  • the condenser 320 is used to heat the dry air to obtain high-temperature dry air;
  • the high-temperature dry air can enter into the inner and outer tub assembly 100 and absorb the clothes moisture in, so as to achieve the purpose of drying clothes.
  • the air inlet and air outlet of the drying air duct 200 are both communicated with the inner and outer cylinder assembly 100 , the air inlet is blocked with a first filter element 210 , and a second filter element 220 is arranged between the first filter element 210 and the heat exchange device 300 . .
  • the second filter element 220 may be disposed next to the inlet end of the evaporator 310, so as to filter the humid air before the humid air enters the evaporator 310, so as to avoid sundries entering the evaporator 310 with the humid air. and located in the condenser 320 downstream of the evaporator 310, thereby preventing debris from blocking the evaporator 310 or the condenser 320, thereby improving the drying efficiency of the washer-dryer and reducing the energy consumption of the washer-dryer.
  • the second filter element 220 can also be arranged at any position between the first filter element 210 and the heat exchange device 300 according to actual needs, as long as it does not affect the installation of the flushing nozzle 400 and can prevent entry into the heat exchange device 300 It is enough to filter the humid air, which will not be repeated here.
  • a flushing nozzle 400 is arranged in the drying air duct.
  • the flushing nozzle 400 is arranged between the first filter element 210 and the second filter element 220.
  • the flushing nozzle 400 can be used to flush the impurities trapped on the first filter element 210.
  • the flushing nozzle 400 may be a flow of water drawn from the water inlet pipe of the washer-drying machine, so as to flush the first filter element 210 .
  • the flushing nozzle 400 may be disposed close to the first filter member 210, so that the water sprayed from the flushing nozzle 400 can directly impact the first filter member 210, so that the first filter member 210 can be better protected. Cleaning is performed so as to wash away the sundries adhering to the first filter element 210 .
  • the flushing nozzle 400 can also be arranged at any position between the first filter element 210 and the second filter element 220 according to actual needs, as long as it can be ensured that the water flowing out from the flushing nozzle 400 will enter through the first filter element 210 to the The inner and outer cylinder assembly 100 can be used to flush the first filter element 210 , which will not be repeated here.
  • the moist air in the inner and outer cylinder assembly 100 first enters the evaporator 310 after being double filtered by the first filter element 210 and the second filter element 220 .
  • the water vapor in the humid air is condensed and separated to obtain dry air, and the dry air is then heated in the condenser 320 to obtain high-temperature dry air.
  • the high-temperature dry air can enter the inner and outer cylinders through the air outlet of the drying air duct 200 into 100 and absorb the moisture in the clothes to become moist air.
  • the moist air continues to pass through the double filtration of the first filter element 210 and the second filter element 220 and then enters the evaporator 310 and the condenser 320 in turn. To achieve drying of clothes.
  • the integrated washing and drying machine in this embodiment includes a box body 500 , an inner and outer cylinder assembly 100 installed in the box body 500 , and a drying machine disposed between the box body 500 and the inner and outer cylinder assembly 100 .
  • the moist air in the inner and outer cylinder assemblies 100 can enter the heat exchange device 300 through the air inlet of the drying air duct 200. Condensing heating is performed to obtain high-temperature dry air.
  • the high-temperature dry air can enter into the inner and outer cylinder assembly 100 through the air outlet of the drying air duct 200 and absorb the moisture in the clothes to become moist air, and the moist air continues to flow from the drying air duct.
  • the air inlet of 200 enters into the heat exchange device 300, and the cycle is repeated in this way to achieve drying of the clothes.
  • the humid air can enter the heat exchange device 300 before the humid air enters the heat exchange device 300 . It needs to be double-filtered by the first filter element 210 and the second filter element 220 to filter out debris and other debris carried in the humid air, so as to prevent the hair debris from entering the heat exchange device 300 as the humid air is blocked.
  • the heat exchange device 300 is further beneficial to improve the drying efficiency of the washer-dryer and reduce the energy consumption of the washer-dryer.
  • the flushing nozzle 400 can be used for flushing and trapped in the first filter element 220.
  • the debris on the filter element 210 can prevent the intercepted debris from clogging the first filter element 210, so that the first filter element 210 does not need to be cleaned manually, which simplifies the cleaning process of the first filter element 210;
  • the existence of the filter element 210 can trap debris and other debris on the first filter element 210 first, reducing the amount of debris that needs to be filtered by the second filter element 220, thereby reducing the frequency of cleaning the second filter element 220 by users. Conducive to improving user experience.
  • the part of the drying air duct 200 used for setting the heat exchange device 300 may expand outward to form a cavity with a relatively large cross-section, the evaporator 310 , the condenser 320 and the first
  • the two filter elements 220 can both be arranged in the cavity of the drying air duct 200 , and both ends of the cavity of the drying air duct 200 are respectively connected with the pipeline of the drying air duct 200 to form a complete drying air duct 200 .
  • the side wall of the drying air duct 200 can be provided with a first opening 201, the box 500 is provided with a second opening that matches the first opening 201, and the second filter element 220 is pluggable and installed in the first opening 201 and the first opening 201. Inside the two openings.
  • the second filter element 220 when the second filter element 220 needs to be cleaned, the second filter element 220 can be pulled out from the first opening 201 and the second opening for cleaning, and then the cleaned second filter element 220 can be removed from the second filter element 220.
  • the first opening 201 and the second opening are inserted back into the washer-drying machine, so as to facilitate the disassembly, cleaning and replacement of the second filter element 220 .
  • the second opening of the box body 500 may be disposed on the side surface or the top surface of the box body 500 according to the position of the first opening 201 .
  • the second opening can be arranged on the side of the box body 500.
  • the second opening can be
  • the filter element 220 can be inserted and removed from the side of the box, wherein the side of the box 500 includes the front panel, the rear panel and the side panel between the front panel and the rear panel;
  • the second opening can be arranged on the top surface of the box body 500.
  • the second filter element 220 can be opened from the box body. the top side of the plug to be inserted and unplugged.
  • the second filter element 220 is provided with a handle assembly 223, the handle assembly 223 includes a handle 2232 and an end cover 2231; the handle 2232 is exposed outside the box 500, and the end cover 2231 is located in the handle
  • the inner side of the hand 2232 covers the first opening 201 of the drying air duct 200 .
  • the user can hold the handle 2232 and pull the second filter element 220 out of the washer-drying machine to clean the second filter element 220 , so that the disassembly and assembly of the second filter element 220 is convenient and quick.
  • the end cover 2231 can cover the first opening 201 of the drying air duct 200 after the second filter element 220 is put back into the washer-drying machine, so as to prevent the high-temperature dry air in the drying air duct 200 from passing through the first opening during the drying process. 201 leaks to the outside, affecting the drying efficiency.
  • a sealing rubber ring for sealing the first opening 201 can be provided on the end cover 2231, so as to further prevent the high-temperature dry air in the drying air duct 200 from leaking out from the first opening 201 during the drying process. This is beneficial to ensure the drying efficiency of the washer-dryer, and at the same time, reduces the energy consumption of the washer-dryer.
  • the first filter element 210 may be a metal filter screen, for example, a stainless steel filter screen, an aluminum foil filter screen, and the like. Setting the first filter element 210 as a metal filter mesh is beneficial to ensure that the first filter element 210 located at the air inlet of the drying air duct 200 has a relatively stable structure, so that not only does the clothes in the inner and outer cylinder assembly 100 not get dirty. It deforms under impact and can withstand the impact of water flow from the flush nozzle 400 .
  • the first filter element 210 may also be a filter screen made of brass wire, a filter screen made of nickel wire, or a filter screen made of other metal materials; or, the first filter element 210 may also be a filter screen made of nylon material A mesh or a filter mesh made of other non-metallic materials can be used as long as it can meet the requirements of the first filter element 210 in this embodiment, which will not be repeated here.
  • an anti-corrosion filter can be provided on the surface of the metal filter. sticky coating.
  • the anti-stick coating can be a polymer coated on the surface of the metal filter, such as Teflon; it can also be a nano-coating coated on the surface of the metal filter; it can also be other anti-stick coatings
  • the coating with sticky effect so that when the water flowing out of the flushing nozzle 400 passes through the metal filter, the dander and other debris on the metal filter can be easily washed away, so that the dander and other debris can flow away with the water, so that the To achieve a thorough cleaning of the metal filter.
  • an anti-stick coating can also be formed on the surface of the metal filter by means of electroplating, so that when the water from the flushing nozzle passes through the metal filter, the dander on the metal filter can be easily washed away To achieve a thorough cleaning of the metal filter.
  • the specification of the metal filter can be set below 50 mesh, for example, the specification of the metal filter can be set to 50 mesh, 45 mesh, 40 mesh, 35 mesh or 30 mesh according to actual needs.
  • the metal filter can filter the dander in the moist air while reducing the impact on the flow of the moist air, thereby helping to improve the drying efficiency of the washer-drying machine; on the other hand, flushing water During the process of flushing the metal filter screen by the nozzle 400, the water flow can pass through the metal filter screen relatively smoothly, so that the metal filter screen can be washed better, and at the same time, the dander and other debris attached to the metal filter screen can be taken away.
  • the specification of the metal filter mesh can also be set to be larger than 50 meshes according to actual needs.
  • the specification of the metal filter mesh can be set to be 55 meshes, 60 meshes, or 65 meshes, etc., as long as the requirements of this embodiment can be met. Yes, it will not be repeated here.
  • the first filter element 210 in this embodiment can be detachably installed at the air inlet of the drying air duct 200, and the same washer and dryer can be equipped with a plurality of first filter elements 210 of different specifications. Therefore, the user can replace the first filter elements 210 of different specifications according to actual needs, so as to match the items to be washed of different materials placed in the inner and outer cylinder assemblies 100 .
  • the second filter element 220 may include a nylon filter mesh 221 .
  • the nylon filter screen 221 is mainly made of polypropylene.
  • the nylon filter screen 221 not only has good acid and alkali resistance and corrosion resistance, but also has low resistance and can be cleaned repeatedly, and the filtration efficiency of the nylon filter screen 221 is not affected by cleaning. Therefore, the nylon filter screen 221 is more economical; in addition, the impact resistance of the nylon filter screen 221 is also relatively strong, which is beneficial to ensure the stability of the second filter element 220, so as to obtain a better filtering effect.
  • the second filter element 220 may also include a metal filter screen; alternatively, the second filter element 220 may also include a non-metal filter screen made of other materials, as long as the requirements for the second filter element 220 in this embodiment can be met That's it, and will not be repeated here.
  • the specification of the nylon filter screen 221 can be set to be above 140 mesh, for example, the specification of the nylon filter screen 221 can be set to 140 mesh, 150 mesh, 160 mesh, 170 mesh or 200 mesh according to actual needs. Therefore, the nylon filter 221 can filter out relatively fine debris in the humid air, so as to prevent debris from entering the heat exchange device 300 and blocking the heat exchange device 300, thereby helping to improve the drying efficiency of the washer and dryer. , and reduce the energy consumption of the washer-dryer.
  • the specification of the nylon filter screen 221 can also be set to be smaller than 140 mesh according to actual needs.
  • the specification of the nylon filter screen 221 can be set to be 135 mesh, 130 mesh, 125 mesh or 120 mesh, etc., as long as it can meet the requirements of this The requirements of the embodiments are sufficient, and details are not repeated here.
  • the second filter element 220 may further include a reticulated foam 222 , and the reticulated foam 222 may be disposed on the side of the nylon filter 221 facing the heat exchange device 300 .
  • the mesh foam 222 may be attached to the side of the nylon filter 221 facing the heat exchange device 300 ; alternatively, the mesh foam 222 may also have a space between the nylon filter 221 .
  • the humid air first enters the drying air duct 200 after being filtered by the first filter element 210 , and then enters the heat exchange device after being filtered by the nylon filter screen 221 and the mesh foam 222 of the second filter element 220 . 300, so that the dander and other debris carried in the humid air can be filtered more cleanly and thoroughly, so as to prevent the humid air from bringing the dander and other debris into the heat exchange device 300, which is beneficial to improve the drying efficiency of the washer-drying machine. Drying efficiency, reducing the energy consumption of the washer-dryer.

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Abstract

本申请属于家用电器技术领域，具体涉及一种洗干一体机，包括箱体、安装于箱体内的内外筒总成、设于箱体和内外筒总成之间的烘干风道以及设置于烘干风道中的换热装置；烘干风道的进风口和出风口均与内外筒总成连通，进风口挡设有第一过滤件，第一过滤件与换热装置之间设置有第二过滤件；烘干风道内设置有冲水喷头，冲水喷头设于第一过滤件与第二过滤件之间，用于冲洗被截留在第一过滤件上的杂物。本申请能够防止杂物进入至换热装置中并堵塞换热装置，有利于提升洗干一体机的烘干效率。

Description

洗干一体机
本申请要求于2020年07月31日提交中国专利局，申请号为202010756683.9，申请名称为“洗干一体机”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及家用电器技术领域，尤其涉及一种兼具洗涤和烘干功能的洗干一体机。
背景技术
随着人们生活品质的提升，洗干一体机已经成为人们日常生活中必不可少的家用电器之一，近年来，兼有洗涤和烘干功能的洗干一体机也越来越多的得到了人们青睐。
通常，洗干一体机包括箱体、安装于箱体内的内外筒总成以及与内外筒总成连通的烘干风道，烘干风道内部设置有换热装置。在对衣物进行烘干时，内外筒总成内的潮湿空气会通过烘干风道的进风口进入至换热装置中进行冷凝和加热以形成高温干燥空气，高温干燥空气会通过烘干风道的出风口进入至内外筒总成内并带走衣物中的水分而变成潮湿空气。由于衣物在洗涤的过程中会产生毛屑等杂物，因此，通过烘干风道的进风口进入至烘干风道内的潮湿空气中也会携带一定量的杂物，这些杂物容易堵塞换热装置，降低烘干效率。
因此，如何防止衣物中的杂物进入烘干风道，从而提高洗干一体机的烘干效率已经成为了设计人员重点研究的方向。
发明内容
本申请提供一种洗干一体机，该洗干一体机在对衣物进行烘干的过程中，能够防止衣物中的杂物进入至换热装置中并堵塞换热装置，从而有利于提升洗干一体机的烘干效率。
本申请提供一种洗干一体机，包括箱体、安装于所述箱体内的内外筒 总成、设于所述箱体和内外筒总成之间的烘干风道以及设置于所述烘干风道中的换热装置；所述烘干风道的进风口和出风口均与所述内外筒总成连通，所述进风口挡设有第一过滤件，所述第一过滤件与所述换热装置之间设置有第二过滤件；所述烘干风道内设置有冲水喷头，所述冲水喷头设于所述第一过滤件与所述第二过滤件之间，用于冲洗被截留在所述第一过滤件上的杂物。
在上述洗干一体机的优选方案中，所述烘干风道的侧壁设置有第一开口，所述箱体设置有与所述第一开口相适配的第二开口，所述第二过滤件可插拔的安装于所述第一开口和第二开口内。
在上述洗干一体机的优选方案中，所述箱体的第二开口位于所述箱体的侧面或者顶面。
在上述洗干一体机的优选方案中，所述第二过滤件设置有把手组件，所述把手组件包括扣手和端盖；所述扣手外露于所述箱体外，所述端盖位于所述扣手的内侧并遮蔽所述烘干风道的第一开口。
在上述洗干一体机的优选方案中，所述端盖设置有用于密封所述第一开口的密封胶圈。
在上述洗干一体机的优选方案中，所述第一过滤件包括金属过滤网。
在上述洗干一体机的优选方案中，所述金属过滤网的表面设置有防粘涂层。
在上述洗干一体机的优选方案中，所述金属过滤网的网眼不大于50目。
在上述洗干一体机的优选方案中，所述第二过滤件包括尼龙过滤网。
在上述洗干一体机的优选方案中，所述尼龙过滤网的网眼不小于140目。
在上述洗干一体机的优选方案中，所述第二过滤件还包括网状泡棉，所述网状泡棉设置在所述尼龙过滤网朝向所述换热装置的一侧。
本领域技术人员能够理解的是，本申请的洗干一体机包括箱体、安装于箱体内的内外筒总成，设置于箱体和内外筒总成之间的烘干风道以及设置于烘干风道中的换热装置。通过设置烘干风道的进风口和出风口均与内外筒总成连通，从而使内外筒总成中的潮湿空气能够通过烘干风道的进风 口进入至换热装置中进行冷凝加热以获得高温干燥空气，高温干燥空气能够通过烘干风道的出风口进入至内外筒总成内并吸取衣物中的水分而变成潮湿空气，潮湿空气继续从烘干通道的进风口进入至换热装置中，如此往复循环以实现对衣物的烘干。
通过在烘干通道的进风口挡设第一过滤件，并在第一过滤件与换热装置之间设置第二过滤件，使潮湿空气在进入至换热装置之前需要经过第一过滤件和第二过滤件的双重过滤，以将潮湿空气中携带的毛屑等杂物过滤掉，从而能够避免毛屑随着潮湿空气进入至换热装置中而堵塞换热装置，进而有利于提升洗干一体机的烘干效率，降低洗干一体机的能耗。
同时，通过在烘干风道内设置冲水喷头，并使位于第一过滤件与第二过滤件之间的冲水喷头对着第一过滤件喷水，从而能够冲洗被截留在第一过滤件上的杂物，以避免被截留的杂物堵塞第一过滤件，这样也就不需要用户手动清理第一过滤件，简化了第一过滤件的清理过程；而且，由于第一过滤件的存在，能够将毛屑等杂物首先截留在第一过滤件上，减少了第二过滤件需要过滤的杂物量，从而能够降低用户对第二过滤件的清理频率，有利于提升用户体验。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，应当理解，以下附图仅示出了本申请的某些实施例，因此不应被看作是对范围的限定，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他相关的附图。
图1是本申请的洗干一体机的结构示意图；
图2是本申请的洗干一体机中内外筒总成、烘干风道以及换热装置等的结构示意图；
图3是本申请的洗干一体机中第二过滤件拔出时的局部剖视图；
图4是本申请的洗干一体机中第二过滤件插入在烘干风道内的结构示意图；
图5是本申请的洗干一体机中第二过滤件部分拔出烘干风道的结构示意图。
具体实施方式
兼具洗涤和烘干功能的洗干一体机通常包括箱体、安装于箱体内的内外筒总成、设置于箱体和内外筒总成之间的烘干风道以及设置于所述烘干风道中的换热装置。其中，换热装置包括蒸发器和冷凝器，内外筒总成内部的潮湿空气通过烘干风道的进风口首先进入至蒸发器中将潮湿空气中的水蒸气冷凝分离得到干空气，干空气再进入至冷凝器中加热得到高温干空气，高温干空气再进入至内外筒总成内并吸取衣物中的水分而变成潮湿空气。
洗干一体机在烘干衣物的过程中，衣物中的毛屑等杂物会随着流动的空气进入至风道中的蒸发器和冷凝器中，从而导致蒸发器和冷凝器堵塞，进而影响洗干一体机的烘干效率。相关技术中会在蒸发器和冷凝器的上游风道内设置过滤结构，然而这种过滤结构，一方面，过滤效果不佳，导致杂物在蒸发器和冷凝器中堆积，从而影响洗干一体机的烘干效率；另一方面，需要过滤的杂物量比较大，导致用户需要频繁的对过滤结构进行拆卸清理，从而降低了用户体验。
为了解决上述技术问题，本申请的实施例提供一种洗干一体机，该洗干一体机通过设置第一过滤件和第二过滤件，使潮湿空气在进入至换热装置之前需要经过第一过滤件和第二过滤件的双重过滤，从而能够提升对毛屑等杂物的过滤效果，避免杂物随着潮湿空气进入至换热装置中而堵塞换热装置，进而有利于提升洗干一体机的烘干效率，降低洗干一体机的能耗。
同时，通过设置在第一过滤件与第二过滤件之间的冲水喷头，可以对第一过滤件进行冲洗，以清理掉第一过滤件上附着的杂物，从而简化了第一过滤件的清理过程；并且，由于第一过滤件的存在，能够将杂物首先过滤在第一过滤件上，减少了第二过滤件需要过滤的杂物量，以降低用户对第二过滤件的清理频率，从而有利于提升用户体验。
为使本申请实施例的目的、技术方案和优点更加清楚，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提 下所获得的所有其他实施例，都属于本申请保护的范围。
图1是本申请的洗干一体机的结构示意图；图2是本申请的洗干一体机中内外筒总成、烘干风道以及换热装置等的结构示意图；图3是本申请的洗干一体机中第二过滤件拔出时的局部剖视图；图4是本申请的洗干一体机中第二过滤件插入在烘干风道内的结构示意图；图5是本申请的洗干一体机中第二过滤件部分拔出烘干风道的结构示意图。
参照图1至图5所示，本实施例提供一种洗干一体机，该洗干一体机包括箱体500、安装于箱体500内的内外筒总成100、设置于箱体500和内外筒总成100之间的烘干风道200，以及设置于烘干风道200中的换热装置300。
其中，内外筒总成100包括安装于箱体500内的外筒以及可转动的设置于外筒内的内筒，待洗涤或者待烘干的物品放置于内筒中进行洗涤或者烘干。
换热装置300包括蒸发器310和冷凝器320。按照烘干风道200内空气的流向来看，蒸发器310设置在冷凝器320的上游。蒸发器310用于将潮湿空气中的水分冷凝分离出去以获得干空气；冷凝器320用于对干空气进行加热以获得高温干空气；高温干空气能够进入至内外筒总成100内并吸收衣物中的水分，从而实现烘干衣物的目的。
烘干风道200的进风口和出风口均与内外筒总成100连通，进风口挡设有第一过滤件210，第一过滤件210与换热装置300之间设置有第二过滤件220。
示例性的，第二过滤件220可以紧挨着蒸发器310的入口端设置，以便于在潮湿空气进入蒸发器310之前对潮湿空气进行过滤，以避免杂物随着潮湿空气进入至蒸发器310以及位于蒸发器310下游的冷凝器320中，从而能够防止杂物堵塞蒸发器310或者冷凝器320，进而有利于提升洗干一体机的烘干效率，同时降低洗干一体机的能耗。当然，第二过滤件220也可以根据实际需要设置在第一过滤件210和换热装置300之间的任意位置，只要不会影响冲水喷头400的安装，并且能够对进入换热装置300内的潮湿空气进行过滤即可，此处不再赘述。
烘干风道内设置有冲水喷头400，冲水喷头400设于第一过滤件210 与第二过滤件220之间，冲水喷头400能够用于冲洗被截留在第一过滤件210上的杂物。具体的，冲水喷头400可以是从洗干一体机的进水管引出的一路水流，以便于对第一过滤件210进行冲洗。
示例性的，冲水喷头400可以靠近第一过滤件210设置，以使从冲水喷头400喷出来的水可以直接冲击在第一过滤件210上，从而能够更好的对第一过滤件210进行清理，以便将第一过滤件210上附着的杂物冲刷干净。当然，冲水喷头400也可以根据实际需要设置在第一过滤件210和第二过滤件220之间的任意位置，只要能够保证从冲水喷头400流出的水会通过第一过滤件210进入至内外筒总成100内，以实现对第一过滤件210的冲洗即可，此处不再赘述。
具体实现时，洗干一体机在对衣物进行烘干的过程中，内外筒总成100中的潮湿空气经过第一过滤件210和第二过滤件220的双重过滤后，首先进入至蒸发器310中将潮湿空气中的水蒸气冷凝分离出去以得到干空气，干空气再进入至冷凝器320中加热以获得高温干空气，高温干空气能够通过烘干风道200的出风口进入至内外筒总成100内并吸取衣物中的水分而变成潮湿空气，潮湿空气继续经过第一过滤件210和第二过滤件220的双重过滤后依次进入至蒸发器310和冷凝器320中，如此往复循环以实现对衣物的烘干。
当需要清理第一过滤件210上附着的毛屑等杂物时，只需要打开洗干一体机的冲水喷头400，冲水喷头400喷出的水能够冲击在第一过滤件210上，以将第一过滤件210上附着的杂物冲刷干净，被冲刷下来的杂物可以随着水流从洗干一体机的排水管排出，以完成对第一过滤件210的清理。
本领域技术人员能够理解的是，本实施例的洗干一体机包括箱体500、安装于箱体500内的内外筒总成100、设置于箱体500和内外筒总成100之间的烘干风道200，以及设置于烘干风道200中的换热装置300。通过设置烘干风道200的进风口和出风口均与内外筒总成100连通，从而使内外筒总成100中的潮湿空气能够通过烘干风道200的进风口进入至换热装置300中进行冷凝加热以获得高温干燥空气，高温干燥空气能够通过烘干风道200的出风口进入至内外筒总成100内并吸取衣物中的水分而变成潮湿空气，潮湿空气继续从烘干风道200的进风口进入至换热装置300中， 如此往复循环以实现对衣物的烘干。
通过在烘干风道200的进风口挡设第一过滤件210，并在第一过滤件210与换热装置300之间设置第二过滤件220，使潮湿空气在进入至换热装置300之前需要经过第一过滤件210和第二过滤件220的双重过滤，以将潮湿空气中携带的毛屑等杂物过滤掉，从而能够避免毛屑随着潮湿空气进入至换热装置300中而堵塞换热装置300，进而有利于提升洗干一体机的烘干效率，降低洗干一体机的能耗。
同时，通过在烘干风道200内设置冲水喷头400，并使冲水喷头400位于第一过滤件210与第二过滤件220之间，冲水喷头400能够用于冲洗被截留在第一过滤件210上的杂物，以避免被截留的杂物堵塞第一过滤件210，从而不需要手动清理第一过滤件210，简化了第一过滤件210的清理过程；而且，由于第一过滤件210的存在，能够将毛屑等杂物首先截留在第一过滤件210上，减少了第二过滤件220需要过滤的杂物量，从而能够降低用户对第二过滤件220的清理频率，有利于提升用户体验。
参照图3至图5所示，示例性的，烘干风道200用于设置换热装置300的部分可以向外扩张形成一个横截面比较大的空腔，蒸发器310、冷凝器320以及第二过滤件220可以均设置在烘干风道200的空腔中，烘干风道200的空腔两端分别与烘干风道200的管路连通，以形成一个完整的烘干风道200。
烘干风道200的侧壁可以设置第一开口201，箱体500设置有与第一开口201相适配的第二开口，第二过滤件220可插拔的安装于第一开口201和第二开口内。
具体实现时，当需要对第二过滤件220进行清理时，可以将第二过滤件220从第一开口201和第二开口中拔出进行清理，然后将清理干净的第二过滤件220从第一开口201和第二开口插回洗干一体机内，从而便于对第二过滤件220进行拆装、清理以及更换。一方面，有利于使洗干一体机的烘干效率时刻保持在良好的状态，从而有利于降低洗干一体机的能耗；另一方面，有利于提升用户体验。
进一步的，箱体500的第二开口可以根据第一开口201的位置设置于箱体500的侧面或者顶面。
具体实现的，当烘干风道200的第一开口201开设在烘干风道200朝向箱体500侧面的一侧时，第二开口即可设置在箱体500的侧面，此时，第二过滤件220可以从箱体的侧面进行插拔，其中，箱体500的侧面包括洗干一体机的前面板、后面板以及位于前面板和后面板之间的侧面板；或者，当烘干风道200的第一开口201开设在烘干风道200朝向箱体500顶面的一面时，第二开口即可设置在箱体500的顶面，此时，第二过滤件220可以从箱体的顶面进行插拔。
参照图4和图5所示，进一步的，第二过滤件220设置有把手组件223，把手组件223包括扣手2232和端盖2231；扣手2232外露于箱体500外，端盖2231位于扣手2232的内侧并遮蔽烘干风道200的第一开口201。
具体实现时，用户可以握住扣手2232将第二过滤件220拉出洗干一体机以对第二过滤件220进行清理，从而能够使第二过滤件220的拆装比较方便快捷。端盖2231能够在第二过滤件220装回洗干一体机后遮蔽烘干风道200的第一开口201，以避免烘干过程中，烘干风道200内的高温干空气从第一开口201向外泄露，影响烘干效率。
进一步的，可以在端盖2231上设置用于密封第一开口201的密封胶圈，从而能够进一步避免烘干过程中，烘干风道200内的高温干空气从第一开口201向外泄露，进而有利于保证洗干一体机的烘干效率，同时，降低洗干一体机的能耗。
在一种可能的实现方式中，第一过滤件210可以为金属过滤网，例如，不锈钢过滤网、铝箔过滤网等。将第一过滤件210设置为金属过滤网有利于保证位于烘干风道200的进风口处的第一过滤件210具有比较稳定的结构，从而不仅不会在内外筒总成100内的衣物的冲击下变形，而且能够承受来自冲水喷头400的水流冲击。
在其他实现方式中，第一过滤件210也可以为黄铜丝编制的过滤网、镍丝编制的过滤网或者其他金属材质的过滤网；或者，第一过滤件210也可以为尼龙材质的过滤网或者其他非金属材质的过滤网，只要能够满足本实施例关于第一过滤件210的要求即可，此处不再赘述。
进一步的，为了使从冲水喷头400流出的水在通过金属过滤网的时候，能够将附着在金属过滤网上的毛屑等杂物冲洗干净不会有残留，可以在金 属过滤网的表面设置防粘涂层。
在一种实现方式中，防粘涂层可以是涂覆在金属过滤网表面的聚合物，例如特氟龙；也可以是涂覆在金属过滤网表面的纳米涂层；还可以是其他具有防粘效果的涂层，从而在冲水喷头400流出的水通过金属过滤网时，可以很轻松的将金属过滤网上的毛屑等杂物冲刷掉，使毛屑等杂物随着水流走，以实现对金属过滤网的彻底清理。
在其他实现方式中，也可以通过电镀等方式在金属过滤网表面的形成防粘涂层，从而当冲水喷头流出的水通过金属过滤网时，可以很轻松的将金属过滤网上的毛屑冲刷掉，以实现对金属过滤网的彻底清理。
具体的，可以设置金属过滤网的规格在50目以下，例如，可以根据实际需要设置金属过滤网的规格为50目、45目、40目、35目或者30目等。一方面，使金属过滤网能够在对潮湿空气中的毛屑进行过滤的同时，减小对湿空气的流量的影响，从而有利于提升洗干一体机的烘干效率；另一方面，冲水喷头400在冲洗金属过滤网的过程中，水流能够比较顺畅的穿过金属过滤网，以便于对金属过滤网进行更好的冲刷，同时带走金属过滤网上附着的毛屑等杂物。
在其他实现方式中，也可以根据实际需要设置金属过滤网的规格大于50目，例如，可以设置金属过滤网的规格为55目、60目或者65目等，只要能够满足本实施例的要求即可，此处不再赘述。
可以理解的是，本实施例的第一过滤件210可以是可拆卸的安装在烘干风道200的进风口处，同一个洗干一体机可以配备多个不同规格的第一过滤件210，从而使用户能够根据实际需要更换不同规格的第一过滤件210，以配合放置于内外筒总成100中的不同材质的待洗涤物。
参照图2所示，在一种可行的实现方式中，第二过滤件220可以包括尼龙过滤网221。其中，尼龙过滤网221主要以聚丙烯为原材料制成，尼龙过滤网221不仅耐酸碱性、耐腐蚀性比较好；而且阻力低、可反复清洗，并且尼龙过滤网221的过滤效率不受清洗影响，从而使尼龙过滤网221的经济性比较高；此外，尼龙过滤网221的耐冲击性能也比较强，从而有利于保证第二过滤件220的稳定性，以便于获得比较好的过滤效果。
在其他实现方式中，第二过滤件220也可以包括金属过滤网；或者， 第二过滤件220也可以包括其他材质的非金属过滤网，只要能够满足本实施例关于第二过滤件220的要求即可，此处不再赘述。
示例性的，可以设置尼龙过滤网221的规格在140目以上，例如，可以根据实际需要设置尼龙过滤网221的规格为140目、150目、160目、170目或者200目等。从而使尼龙过滤网221能够将潮湿空气中的比较细小的杂物过滤掉，以避免杂物进入至换热装置300中并堵塞换热装置300，从而有利于提升洗干一体机的烘干效率，并降低洗干一体机的能耗。
在其他实现方式中，也可以根据实际需要设置尼龙过滤网221的规格小于140目，例如，可以设置尼龙过滤网221的规格为135目、130目、125目或者120目等，只要能够满足本实施例的要求即可，此处不再赘述。
参照图2所示，第二过滤件220还可以包括网状泡棉222，网状泡棉222可以设置在尼龙过滤网221朝向换热装置300的一侧。示例性的，网状泡棉222可以贴合在尼龙过滤网221朝向换热装置300的一侧；或者，网状泡棉222也可以与尼龙过滤网221之间具有间隔。
具体实现时，潮湿空气首先经过第一过滤件210的过滤后进入至烘干风道200中，然后经过第二过滤件220的尼龙过滤网221和网状泡棉222过滤后进入至换热装置300中，从而能够将潮湿空气中携带的毛屑等杂物过滤的更加干净彻底，以避免潮湿空气将毛屑等杂物带入换热装置300中，进而有利于提升洗干一体机的烘干效率，降低洗干一体机的能耗。
最后应说明的是：以上各实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述各实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围。

Claims (10)

  1. 一种洗干一体机，其中，包括箱体、安装于所述箱体内的内外筒总成、设于所述箱体和内外筒总成之间的烘干风道以及设置于所述烘干风道中的换热装置；
    所述烘干风道的进风口和出风口均与所述内外筒总成连通，所述进风口挡设有第一过滤件，所述第一过滤件与所述换热装置之间设置有第二过滤件；
    所述烘干风道内设置有冲水喷头，所述冲水喷头设于所述第一过滤件与所述第二过滤件之间，用于冲洗被截留在所述第一过滤件上的杂物。
  2. 根据权利要求1所述的洗干一体机，其中，所述烘干风道的侧壁设置有第一开口，所述箱体设置有与所述第一开口相适配的第二开口，所述第二过滤件可插拔的安装于所述第一开口和第二开口内。
  3. 根据权利要求2所述的洗干一体机，其中，所述箱体的第二开口位于所述箱体的侧面或者顶面。
  4. 根据权利要求2所述的洗干一体机，其中，所述第二过滤件设置有把手组件，所述把手组件包括扣手和端盖；
    所述扣手外露于所述箱体外，所述端盖位于所述扣手的内侧并遮蔽所述烘干风道的第一开口。
  5. 根据权利要求4所述的洗干一体机，其中，所述端盖设置有用于密封所述第一开口的密封胶圈。
  6. 根据权利要求1-5任一项所述的洗干一体机，其中，所述第一过滤件包括金属过滤网。
  7. 根据权利要求6所述的洗干一体机，其中，所述金属过滤网的表面设置有防粘涂层；和/或，
    所述金属过滤网的网眼不大于50目。
  8. 根据权利要求1-5任一项所述的洗干一体机，其中，所述第二过滤件包括尼龙过滤网。
  9. 根据权利要求8所述的洗干一体机，其中，所述尼龙过滤网的网眼不小于140目。
  10. 根据权利要求8所述的洗干一体机，其中，所述第二过滤件还包 括网状泡棉，所述网状泡棉设置在所述尼龙过滤网朝向所述换热装置的一侧。
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