WO2015135262A1 - 一种叠加式热交换器 - Google Patents

一种叠加式热交换器 Download PDF

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Publication number
WO2015135262A1
WO2015135262A1 PCT/CN2014/079581 CN2014079581W WO2015135262A1 WO 2015135262 A1 WO2015135262 A1 WO 2015135262A1 CN 2014079581 W CN2014079581 W CN 2014079581W WO 2015135262 A1 WO2015135262 A1 WO 2015135262A1
Authority
WO
WIPO (PCT)
Prior art keywords
heat exchanger
air
air inlet
frame
exchanger according
Prior art date
Application number
PCT/CN2014/079581
Other languages
English (en)
French (fr)
Inventor
吕佩师
徐永洪
赵雪利
张华成
蒋玉亮
Original Assignee
海尔集团公司
青岛海尔滚筒洗衣机有限公司
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, 青岛海尔滚筒洗衣机有限公司 filed Critical 海尔集团公司
Priority to EP14885480.5A priority Critical patent/EP3118559B1/en
Priority to KR1020167028146A priority patent/KR102199418B1/ko
Priority to JP2016554567A priority patent/JP6380818B2/ja
Priority to US15/125,544 priority patent/US9958212B2/en
Publication of WO2015135262A1 publication Critical patent/WO2015135262A1/zh

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/02—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the heat-exchange media travelling at an angle to one another
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/01—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using means for separating solid materials from heat-exchange fluids, e.g. filters
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F21/00—Constructions of heat-exchange apparatus characterised by the selection of particular materials
    • F28F21/06—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material
    • F28F21/065—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing plate-like or laminated conduits
    • F28F21/066—Constructions of heat-exchange apparatus characterised by the selection of particular materials of plastics material the heat-exchange apparatus employing plate-like or laminated conduits for domestic or space-heating systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F9/00—Casings; Header boxes; Auxiliary supports for elements; Auxiliary members within casings
    • F28F9/001—Casings in the form of plate-like arrangements; Frames enclosing a heat exchange core
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
    • F28G9/00—Cleaning by flushing or washing, e.g. with chemical solvents
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/0038—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for drying or dehumidifying gases or vapours
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2250/00—Arrangements for modifying the flow of the heat exchange media, e.g. flow guiding means; Particular flow patterns
    • F28F2250/10—Particular pattern of flow of the heat exchange media
    • F28F2250/106—Particular pattern of flow of the heat exchange media with cross flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/08—Fastening; Joining by clamping or clipping
    • F28F2275/085—Fastening; Joining by clamping or clipping with snap connection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F2275/00—Fastening; Joining
    • F28F2275/14—Fastening; Joining by using form fitting connection, e.g. with tongue and groove

Definitions

  • This invention relates to the field of dry clothes, and more particularly to a superheated heat exchanger for condensing steam in a dryer or a washer-dryer.
  • Drum type washer-dryer in the process of drying, the energy of the clothes is evaporated into steam, and the evaporated steam is continuously condensed into water vapor.
  • the cold water using tap water condenses the steam.
  • the prior art uses an aluminum alloy material as a heat exchanger, and the exchanger is divided into two paths, and the first way is an aluminum alloy flat plate design, which facilitates the passage of steam.
  • the other road is designed with a tortuous aluminum plate for easy heat dissipation. Generally, it is limited by the space of the washing machine. At most, two sets of heat dissipation paths are made.
  • the aluminum alloy material has high manufacturing cost, and the heat dissipation effect is limited by the manufacturing process of the aluminum alloy sheet.
  • the contact area between the steam and the condenser is small, which is not conducive to steam condensation.
  • the present invention has been made in view of this.
  • the object of the present invention is to overcome the deficiencies of the prior art and provide a stacked heat exchanger, which increases the heat dissipation area, improves the heat exchange efficiency, and is simple and accurate in positioning.
  • a superimposed heat exchanger includes a plurality of superimposed stacked ridges, and the opposite sides of each ridge are bent upward, and the upper ridge is opposite thereto.
  • the adjacent sills are alternately arranged vertically and horizontally to form mutually independent cross-wind and longitudinal wind paths.
  • the lower surface of the two sides of the upwardly bent portion of the ridge piece is provided with a downwardly protruding pin, and the upper surface of the two side edges is provided with a downwardly recessed slot, and the pin of the slanting piece is inserted into the lower slanting piece thereof.
  • the slots connect the two slats adjacent to each other.
  • the slanting piece is perpendicular to the direction of the air path formed by the slanting piece and the upper slanting piece thereof, and a plurality of downward pressing grooves are arranged, and the pressing groove divides the wind path formed by the lower slanting piece into a plurality of parallel winds. road.
  • the slanting piece is provided with a downward pressing groove at the front and rear inlet and outlet of the air path formed by the upper ridge piece, and the embossing groove constitutes the slot.
  • the profiled depth of both ends of the profiled groove is greater than the profiled depth of the middle portion to form a downward projection forming the pin.
  • the four sides of the slanting piece are bent outwardly into a flange, and the flanges of the upper and lower adjacent ridges are overlapped, and the lap joint at the slot is bent upwards after the lower ridge piece is bent upward Folded on the cuffs and fit snugly.
  • the slanting piece is parallel with the air path direction formed by the slanting piece and the upper slanting piece thereof, and a plurality of upward embossing grooves are arranged, and the pressing groove divides the air path formed by the upper slanting piece into a plurality of parallel air paths. .
  • the material of the slab is plastic.
  • the ridge piece has a thickness of 0.2 to 0.5 mm, preferably 0.3 mm.
  • a frame is disposed outside the heat exchanger, and a frame plate is disposed on the upper, lower, left, right, front, and rear sides of the heat exchanger, and the frame is configured by a frame plate disposed on a side of the heat exchanger.
  • the structure of the cage is disposed outside the heat exchanger, and a frame plate is disposed on the upper, lower, left, right, front, and rear sides of the heat exchanger, and the frame is configured by a frame plate disposed on a side of the heat exchanger.
  • the frame plate on the frame opposite to the air path of the heat exchanger is provided with a through hole that cooperates with the air path of the internal heat exchanger, and another set of opposite frame plates is a flat plate, and preferably the through hole is horizontal And rectangular through holes arranged vertically, and the through holes provided in the two sets of opposite frame plates respectively correspond to the inlets and the outlets of the cross wind path and the longitudinal air path.
  • a connecting portion is disposed at each of the frame plate joints of the frame, and the adjacent frame plates are connected by a connecting portion.
  • the connecting portion is a snapping structure, and the inner surfaces of the two sets of frame plates having the through holes are provided with a plurality of parallel a groove, the groove of the inner surface of the frame plate corresponding to the closely fitting flange, the tightly fitting flange being inserted into a groove corresponding to the inner surface of the frame plate, wherein the through hole
  • the adjacent edges of the two sets of frame plates are provided with a plurality of sheet-like protrusions perpendicular to the frame plate, and the shape of the plate-like protrusions is the same as the shape of the space between the corresponding adjacent flanges at the pins.
  • the tabular projections are respectively inserted into the spaces between the corresponding adjacent flanges at the pins.
  • the vertical air passage is vertically disposed, corresponding to the air inlet and the air outlet of the hot air
  • the horizontal air passage is horizontally disposed, corresponding to the air inlet and the air outlet of the cold air
  • an upper cover is disposed at the hot air inlet
  • the upper cover has a sloping top surface
  • the upper cover and the heat exchanger form a chamber
  • the chamber is inclined at a high level on the upper cover
  • an end of the air condensing structure is an air inlet of the air condensing structure
  • a cover plate is arranged at the exit, and one side of the lower cover is an air outlet of the air condensing structure
  • the upper and lower covers are respectively connected with the flat frame plate.
  • a filtering device is disposed between the air inlet and the hot air inlet of the heat exchanger, and the filtering device is slidably disposed between the air inlet of the air condensing structure and the hot air inlet of the heat exchanger, and preferably the filtering device is disposed in the chamber.
  • the filter device is slidably connected to the side wall of the chamber, one end of the filter device protrudes from the chamber, and one end of the filter device is located at the innermost portion of the chamber, and the other end of the filter device is located outside the chamber, and the filter device
  • the opening through the opening of the chamber is sealingly connected.
  • the filter device is provided with a chute/slider on both sides thereof, and a corresponding side wall of the chamber is provided with a slider/slot, a chute/slider Fits with the slider/slot to form a sliding connection.
  • a flushing structure is disposed between the air inlet and the hot air inlet of the heat exchanger.
  • the flushing structure comprises a spray layer and a sealing cover, the spray layer and the sealing cover form a cavity, and the spray layer is provided with a plurality of sprays.
  • a water inlet is provided on the sealing cover, the spray layer is an upper cover disposed at the hot air inlet of the heat exchanger, and the sealing cover is disposed at an upper portion of the upper cover and is sealingly connected with the upper cover, the upper cover Set multiple spray holes on the top.
  • An air inlet and uniform air structure is arranged between the air inlet and the hot air inlet of the heat exchanger.
  • the air inlet and the inner surface of the top of the upper cover are provided with a plurality of vertical ribs, and the air inlet is divided into a plurality of uniform air passages.
  • an air venting structure is disposed between the air outlet of the air condensing structure and the hot air outlet of the heat exchanger, and preferably the heat exchanger is provided with a cover plate at a condensed hot air outlet, A plurality of air outlets are arranged on one side of the lower cover plate, and the plurality of air outlets are connected to a total air outlet in a "public" shape to form a windy and uniform wind structure.
  • the heat exchanger is arranged in the lower part of the dryer or the washing and drying machine, the air inlet is at the upper part, the air outlet is at the lower part, and the air inlet is The mouth and the air outlet are respectively connected to the drum through the air duct, and one of the air inlet and the air outlet is provided with a fan, and the other port is open to the atmosphere.
  • the heat exchanger of the invention adopts plastic slab, has simple molding, controllable thickness, and can be made thin, can increase the number of slabs in an effective space, can increase the heat dissipation area, and improve heat exchange efficiency;
  • the groove can not only play the role of positioning, but also form a wind path, guide the airflow, increase the strength of the blade, prevent deformation, increase the contact heat dissipation area, increase the efficiency of heat exchange, and adopt pins, slots and bends.
  • Flange positioning connection direct vertical and horizontal alternate placement, no other connecting parts, and simple and accurate positioning.
  • the external heat exchanger frame of the present invention can not only fix the heat exchanger, but also enhance the strength of the heat exchanger, improve the operational reliability of the heat exchanger, prolong the service life, reduce the fault repair rate of the machine, and reduce the machine. Maintenance cost; frame and each slanting piece positioning connection, mutual assembly, mutual support, firm connection, simple structure and convenient installation.
  • the filter structure is arranged in the invention, filtering the wire generated during the drying process, avoiding clogging the heat exchanger air passage, and the filtering structure is a pullable sliding connection, and the filtering structure can be pulled out for cleaning, and the operation is convenient. .
  • the flushing structure is arranged in the invention, and the wire dust in the filter structure or the heat exchanger air passage can be automatically flushed, the wind resistance coefficient of the system caused by the wire scraps is prevented from being increased, and the service life of the heat exchanger is prolonged; , improve the automation level of the machine.
  • the uniform air structure is arranged in the invention, the air flow at the air inlet and the air outlet is evenly transitioned, and uniformly distributed to all the air passages of the heat exchanger for condensation, thereby avoiding uneven heat air and improving heat exchange efficiency, and another In terms of avoiding uneven pressure caused by uneven airflow, it has an impact on the system.
  • FIG. 1 Structure diagram of the heat exchanger of the present invention
  • Figure 3 First fin structure diagram of the present invention
  • FIG. 4 Structure diagram of the second fin of the present invention
  • Figure 5 Schematic diagram of the use of the stacked heat exchanger of the present invention
  • FIG. 6 Structure diagram of the heat exchanger with frame of the present invention
  • Figure 9 Exploded view of a heat exchanger with a frame of the present invention
  • Figure 10 External structure diagram of the dryer or washing and drying machine of the present invention
  • FIG. 11 Internal structure of the dryer or washing and drying machine of the present invention
  • Figure 12 Structure diagram of the air condensing structure of the present invention
  • FIG. 13 Exploded view of the air condensing structure of the present invention
  • FIG. 14 Structure diagram of the flushing structure of the present invention
  • Figure 15 Structure diagram of the uniform wind structure of the present invention
  • Figure 16 Structure of the upper cover of the present invention
  • a superimposed heat exchanger comprises a plurality of superimposed stacked ridges 1, each of which is bent upwardly opposite to the upper side thereof.
  • the slanting piece 1 cooperates to form a ventilating air path, and the adjacent slanting pieces 1 are alternately arranged in a vertical and horizontal direction to form a cross wind path and a longitudinal air path which are spaced apart from each other independently.
  • the high-temperature airflow can be passed through the cross-wind road, the low-temperature airflow can be passed through the vertical wind passage, or the low-temperature airflow can be passed through the cross-wind road, and the high-temperature airflow can be passed through the vertical wind passage, and the airflow of different temperatures can be indirectly contacted and exchanged internally.
  • the slab is made of plastic material, which is simple in shape, controllable in thickness, and can be made thin. It can increase the number of slabs in an effective space, increase the heat dissipation area, and improve heat exchange efficiency.
  • the lower surface of the two sides of the upwardly bent piece 1 is provided with a downwardly protruding pin 4, and the air inlet and outlet of the blade 1 are matched with the pin 4 at the air inlet and outlet.
  • the slot 5, the blade 1 is alternately arranged in the vertical and horizontal directions, the pin 4 of the upper layer corresponds to the position of the slot 5 of the lower layer, and the pin 4 of the upper layer is inserted into the slot 5 of the lower layer to connect the upper and lower adjacent two Rocker.
  • the slanting piece 1 is disposed in parallel with the direction of the air path formed by the slanting piece and the upper slanting piece thereof, and a plurality of downward pressing grooves 6 are formed.
  • the pressing groove 6 divides the air path formed by the lower slanting piece into a plurality of parallel Wind road.
  • the pressing groove 6 can form a wind path, guide the air flow, increase the strength of the slab, prevent deformation, and act as a reinforcing rib, and at the same time increase a plurality of pressing grooves, which increases the contact on the same projected area.
  • the heat dissipation area increases the efficiency of heat exchange.
  • the slanting piece 1 is provided with a downward pressing groove 6 at the front and rear air inlets and outlets of the air path formed by the upper ridge piece, and the pressing groove 6 constitutes the slot 5, that is, the slanting piece 1 is at the air inlet
  • the profiled groove 6 is the slot 5; the profiled depth of the two ends of the profiled groove 6 is greater than the profiled depth of the middle portion, and the downward protrusion forms the pin 4, so that only the press profile is changed.
  • the depth can form the pin 4, and the pin 4 is not separately pressed, which simplifies the molding process, so that the position of the pin 4 and the position of the press groove 6 are in one-to-one correspondence, but the position of the pin 4 is not
  • the pin 4 can be distributed at any position on the lower surface of the two sides of the upwardly bent side, and it is preferable to ensure that there is one pin at each end and at least one of them is distributed in the middle.
  • the four sides of the slanting piece 1 are bent outwardly into a flange 7 , and the burrs 7 of the upper and lower adjacent ridges are overlapped, and the flange 7 at the slot 5 is overlapped after the lower ridge piece is bent upward.
  • the outwardly bent cuffs 7 are in close contact with each other to form a sealed air path.
  • the flanges on both sides of the upwardly bent side are higher than the ridges, and the flanges on both sides of the slot are lower than the ridges, and the lower laps on the slots of the upper laps are placed on the lower layer.
  • the upper cuffs of the upper part of the sheet are tightly fitted to form a sealed air path, and at the same time function as a limit.
  • the pin 4, the slot 5 and the bent cuff 7 are used for positioning and positioning, and the stacking can be alternately placed vertically and horizontally, without other connecting parts, and the positioning is simple and accurate.
  • the thickness of the ridge piece 1 is 0.2 to 0.5 mm, preferably 0.3 mm. Both strength and heat exchanger strength are guaranteed. As shown in FIG. 1 and FIG.
  • the heat exchanger is formed by stacking a plurality of sets of ridges, including a first slanting piece 11 and a second slanting piece 12, and the two long sides of the first slanting piece 11 are bent upwardly and The upper slanting piece cooperates to form a ventilating air path, and the two short sides of the second slanting piece 12 are bent upwardly to cooperate with the upper slanting piece to form a ventilating air path, if the first slanting piece 11 and the second slanting piece 12 In the case of a square, the structures of the two are the same, and the first splayed piece 11 and the second slanted piece 12 are alternately placed to form a cross wind path and a vertical air path which are spaced apart from each other independently.
  • the four sides of the slanting piece have outwardly extending burrs, wherein the sides of the upwardly bent side are higher than the slanting piece, and the hem of the two sides of the slot is lower than the slanting piece, and the upper layer of the slanting piece
  • the lower flange at the slot fits over the higher flange at the upper bend of the lower slab, and fits snugly to form a sealed air path.
  • the air path of one road is horizontal, and the air path of one road is vertical.
  • the air flow in the horizontal direction is connected to the air with lower temperature, and the temperature in the vertical direction is higher.
  • the air flow, heat exchange occurs when the airflow passes, wherein the water in the higher temperature airflow in the vertical direction is condensed by the cold, and the condensed water flows out of the heat exchanger along the side wall of the air passage.
  • the vertical air path is connected to the dryer's hot and humid air outlet through the fan, and the horizontal air path is connected to the outside air through the fan. The outside air is drawn into the horizontal wind path.
  • the fan draws the hot and humid air inside the dryer or the washing and drying machine into the air path in the vertical direction, and the heat is radiated through the warp, and the water vapor in the hot and humid air is condensed into condensation. Water, flow down the side of the wind path to the heat exchanger, to the water collection box of the dryer or washing machine.
  • the heat exchanger of the present invention is provided with a frame plate 8 on the upper, lower, left, right, front and rear sides of the heat exchanger, and the frame is a cage structure formed by connecting the frame plates 8 provided on the side of the heat exchanger. .
  • two sets of opposite frame plates 8 are provided with through holes 9 for cooperating with the internal heat exchanger air passages, and another set of opposite frame plates 8 are flat plates, and the flat plates on the one hand form a sealed cavity of the frame.
  • the body on the other hand, is connected with the other two sets of opposite frame plates to further strengthen the connection effect and avoid the deformation of the two sets of opposing frame plates.
  • the connecting portions of the frame plates of the frame are provided with connecting portions, and the adjacent frame plates are connected by the connecting portions.
  • the connecting portions are buckled structures, the structure is simple, and the installation is convenient.
  • the buckle structure is provided with a notch 13 at the edge of one of the frame plates 8, and a post 14 having a column shape is disposed in the notch 13, and the edge of the frame plate 8 connected thereto is provided with a card protrusion 15 and a card protrusion 15 A hole 16 is disposed, the card protrusion 15 is inserted into the notch 13, and the two frame plates 8 are positioned, and the post 14 in the notch 13 is inserted into the hole 16 in the card protrusion 15 to realize the connection (see the figure). 8 );
  • the buckle structure is such that one of the frame plates 8 is provided with a "T"-shaped tab 17 at the edge thereof, and the edge of the frame plate connected thereto is provided with an "eight"-shaped bayonet 18, and the "T"-shaped tab 17 is inserted at In the "eight" shaped bayonet 18, the "T" shaped tab 17 is inserted by the wider end of the "eight” shaped bayonet 18, the bayonet 18 has a certain shape variable, and the tab 17 forces the "eight" shaped bayonet 18 narrower end of the top width, the wider head of the tab 17 is inserted into the mouth of the card 18, the bayonet 18 is restored to its original shape, the tab 17 can not be pulled out in reverse, to achieve a fixed connection (see Figure 7);
  • the buckle structure is provided with a protruding buckle 19 on the side of the edge of one of the frame plates 8.
  • the edge of the frame plate 8 connected thereto has a folded edge perpendicular to the frame plate, and the side of the folded edge corresponds to the buckle position.
  • a recessed card slot 20 is provided, The buckle is engaged with the card slot;
  • the above-mentioned several snap structures may be used alone or in the same frame, in any two or three combinations.
  • the inner surfaces of the two sets of frame plates 8 having the through holes 9 are provided with a plurality of parallel grooves 21 corresponding to the closely fitting flanges 7 on the periphery of the heat exchanger, the closely fitting flanges 7 is inserted into the groove 21 corresponding to the inner surface of the frame plate, and the flange of each piece of the blade 1 is closely combined with the flange of the upper or lower blade to be inserted into the groove 21 inside the frame to fix the blade. It can also increase the strength of the blade and improve the reliability of the work.
  • the heat exchanger includes a plurality of stacked slabs 1 , and the opposite sides of each ridge are bent upward, and cooperate with the upper slab to form a ventilating air path, and adjacent ridges alternate vertically and horizontally.
  • the arrangement is configured to form a horizontal air passage and a vertical air passage which are spaced apart from each other independently, and the through holes provided in the two sets of opposite frame plates respectively correspond to the inlet and the outlet of the horizontal air passage and the longitudinal air passage.
  • the four sides of the splayed piece are bent outwardly into a flange 7 , and the laps of the upper and lower adjacent slabs 1 are overlapped, and the burrs at the slots are overlapped and bent at the lower side of the ridge piece
  • the bent flanges 7 are closely attached to each other, and the groove 21 of the inner surface of the frame plate corresponds to the closely fitting flange 7 , and the closely fitting flange 7 is inserted into the corresponding frame plate 8 inside the groove 21 of the inner surface.
  • the adjacent edges of the two sets of frame plates having the through holes 9 are provided with a plurality of sheet-like protrusions 22 perpendicular to the frame plate 8.
  • the shape of the plate-like protrusions 22 corresponds to the adjacent flanges at the pins.
  • the space shapes are the same, and the sheet-like protrusions 22 are respectively inserted in the spaces between the corresponding adjacent flanges at the pins.
  • the lower surface of the two sides of the upwardly bent piece 1 is provided with a downwardly protruding pin 4, and the upper surface of the two sides is provided with a downwardly recessed slot 5, and the pin 1 of the paddle 1 4
  • the slot 5 inserted into the lower blade is connected to the two upper and lower ridges.
  • at least one of the four corners of the blade is provided with a pin 4, and one side of the pin is a flange which is bent downward and bent outward. 7.
  • the other side is a flange 7 bent outward and bent outward, and a smooth transition is made at the pin 4, and the shape of the sheet-like protrusion 22 is the same as the shape of the space between the corresponding adjacent flanges at the pin.
  • the tabular projections 22 are respectively inserted into the spaces between the corresponding adjacent flanges at the pins.
  • the heat exchangers are connected by the pins 4 and the slots 5, and the flanges 7 of the adjacent two ridges are inserted into the grooves 21 of the frame plate.
  • the heat exchanger is fixed, and the strength is increased at the same time, and the sheet-like protrusions on the frame plate are inserted into the space between the transition flanges of the pin, further fixed, and the structures are mutually constrained, mutually positioned, mutually assembled, and mutually support.
  • the outside of the frame is provided with a sealing baffle 23, and preferably the edge of the frame plate 8 provided with the through hole that cooperates with the internal heat exchanger air path is provided with a sealing baffle 23, which enhances the sealing of the frame, so that the entire heat exchanger The appearance is strong.
  • a plurality of heat exchangers can be connected and used to increase the contact area and time of the hot and cold airflow and improve the heat exchange efficiency.
  • the frame in the invention has the function of positioning connection and strengthening, increasing the reliability operation of the components, and at the same time fixing the warpage of the heat exchanger, and simultaneously assembling each other, mutual positioning, simple structure and convenient installation.
  • the heat exchanger with frame according to the present invention is applied to a clothes dryer or a washing and drying machine, and the clothes dryer or the washing and drying machine includes at least a clothes dryer.
  • the drying system includes a heating structure and a condensing structure, the condensing structure is disposed at a lower portion of the dryer or the washing and drying machine drum 30, the condensing structure includes an air inlet 36 and an air outlet 37 of the hot air, and further includes a cold air Air inlet 33 and air outlet 45, heat exchange is arranged inside the condensing structure
  • the heat exchanger 35 is a vertical and horizontal staggered ridge piece, and the heat exchanger 35 includes two sets of mutually intersecting air paths, one set of air paths are connected with the hot air path 31, and the other set of air lines and cold winds are connected.
  • the road 32 is connected, and the frame of the cage structure is disposed outside the heat exchanger 35.
  • the lengthwise direction of the condensing structure is disposed perpendicular to the front panel 29 or the side panels 46 of the dryer or the washer-dryer.
  • the length of the condensing structure is perpendicular to the front panel 29 of the dryer or the washer-dryer.
  • the air inlet 36 of the condensing structure is at the upper portion, and the air outlet 37 is at the lower portion, so that the hot air passes through the condensing structure, and the water vapor in the hot air is condensed to form condensed water, which can be under the action of gravity along the inner wall of the condensing structure.
  • the air inlet 36 and the air outlet 37 are respectively communicated with the drum 30 through the dryer air duct 27, and one of the air inlet 33 and the air outlet 45 is provided with a fan, and the other port is connected to the atmosphere. .
  • the air inlet 33 is disposed at a front portion of the washing and drying machine, the air outlet 45 is disposed at a rear portion of the washing and drying machine, and a fan 34 is disposed at the air outlet 45, and the air is sucked by the front portion under the action of the fan 34. After being exchanged with the hot air inside the heat exchanger 35, it is discharged from the rear part.
  • the front part of the dryer or the washing and drying machine needs to open and close the clothes, generally there is no obstacle, and the air inlet 33 is set in the clothes dryer or The front part of the washing and drying machine can ensure the smooth flow of the air inlet.
  • the air outlet 45 is arranged at the rear of the dryer or the washing and drying machine, and the air is discharged from the rear part, which does not cause interference to the front user.
  • the invention adopts a stacked heat exchanger, adopts a plastic material, has simple molding, has a controllable thickness, and can be made thin, and can increase the number of the warps in an effective space. Increase heat dissipation area, improve heat exchange efficiency, and locate easily and accurately.
  • the condensing structure is used for the condensation of the hot and humid air on the circulation air passage of the dryer or the washing and drying machine, and the wire is generated during the operation and drying, due to the heat exchanger 35
  • the number of layers of the warp sheet is large, and the coils are likely to form and accumulate for a long period of time.
  • the heat exchanger 35 is disposed in the heat exchanger 35.
  • the hot air inlet 24 is provided with a filtering structure 26 to effectively filter impurities such as wire dust to prevent it from entering the heat exchanger, causing the air flow to be unobstructed or causing blockage of the air path.
  • the hot air inlet 24 of the heat exchanger 35 is provided with a filtering structure, and the filtering structure 26 is slidably disposed between the air inlet 36 of the condensing structure and the hot air inlet 24 of the heat exchanger.
  • an upper cover plate 25 is disposed at the hot air inlet 24 of the heat exchanger 35.
  • the upper cover plate 25 has an inclined top surface, and the upper cover plate 25 forms a chamber with the heat exchanger. 28, the chamber 28 is inclined at a high level on the upper cover plate, and the end away from the heat exchanger is an air inlet 36.
  • the upper cover plate is inclined at a high angle, and the end away from the heat exchanger is bent upward, and the opposite side is opposite
  • An air inlet 36 is formed in the condensing structure, the filtering structure is disposed in the chamber 28, the air inlet 36 is located on one side of the filtering structure, and the heat exchanger inlet 24 is located on the other side of the filtering structure.
  • the filter structure 26 is slidably coupled to the side wall of the chamber 28, one end of the filter structure extends out of the chamber 28, and the length of the filter structure 26 in the push-pull direction is greater than the length of the heat exchanger 35 in the push-pull direction of the filter structure.
  • the other end of the filter structure is located outside the chamber.
  • the filter structure 26 can be pulled outward for cleaning.
  • one end of the filter structure 26 is located at the innermost portion of the chamber 28, one end of the filter structure 26 outside the chamber 28 is sealingly connected to the opening of the filter structure through the chamber 28. Ensure that internal hot air does not work during normal use Leak.
  • a sliding slot/slider is disposed on both sides of the filtering structure 26, and a corresponding slider/slot is disposed on the side wall of the chamber, and the sliding slot/slider cooperates with the slider/slot to form a sliding connection, which is convenient Push and pull of the filter structure.
  • the filter structure 26 and the heat exchanger 35 are disposed at the bottom of the dryer or the washer-dryer, and are disposed perpendicular to the front panel 29 of the dryer or the washer-dryer, and the filter structure 26 can be perpendicular to the dryer or
  • the front panel 29 of the washing and drying machine is pushed and pulled in the direction.
  • One end of the filter structure 26 is located at the innermost portion of the chamber 28 during normal condensation, and the other end of the filter structure 26 is located outside the chamber 28. When the bottom plate is opened during cleaning, the filter structure is pulled out to clean the filter structure.
  • the filter structure is a filter, the area of the filter corresponds to the area of the air inlet of the heat exchanger, the frame is provided around the filter, and the inner side wall of the upper cover is provided with a slot, the frame Plug into the slot on the inner side wall of the upper cover and slide the connection.
  • the heat exchanger 35 Since the wire scraping occurs during drying, the heat exchanger 35 has a large number of warping layers, and the gap between adjacent layers is small, and the wire scraps are easily formed for a long time, and it is easy to run the wire scraps for a long time after the filter structure is installed.
  • a stack is formed at the filter structure.
  • a flushing structure is provided at the hot air inlet of the heat exchange 35, or a wire scrape for filtering the filter structure is facilitated, and the air inlet 36 of the condensing structure is provided.
  • a flushing structure is disposed between the hot air inlet 24 of the heat exchanger and the flushing structure is located above the filtering structure.
  • the rinsing structure includes a spray layer 40 and a sealing cover 41.
  • the spray layer 40 and the sealing cover 41 form a cavity, and the spray layer 40 is provided with a plurality of spray holes 42 on the sealing cover 41.
  • the water inlet 43 is provided, and the water inlet 43 of the sealing cover 41 is connected to a water pump 44 through which the water pump 44 communicates with tap water or other water source.
  • the gap between the spray layer 40 and the sealing cover 41 is small, a certain water pressure can be formed, and the water pressure can be sprayed out of each spray hole. Water column, flush each air path of the heat exchanger.
  • An upper cover plate 25 is disposed at the hot air inlet 24 of the heat exchanger, the upper cover plate 25 has an inclined top surface, and the upper cover plate 25 and the heat exchanger form a chamber 28, and the chamber 28 is on the upper cover plate.
  • One end of the slanting high, away from the heat exchanger is an air inlet, the upper cover is inclined higher, the end away from the heat exchanger is bent upward, and the opposite side forms an air inlet 36 of the condensing structure, the spray
  • the shower layer 40 is an inclined top surface of the upper cover plate 25, and a plurality of shower holes 42 are disposed on the inclined top surface, and a plurality of shower holes 42 are uniformly disposed on the upper cover plate 25.
  • the spray holes 42 have a bore diameter of 2-6 mm and a pitch of 5-10 mm, which facilitates flushing all the air passages of the heat exchanger.
  • the sealing cover 41 is disposed on the upper portion of the upper cover 25 and is sealingly connected to the upper cover 25, and a small gap is provided between the spray layer and the sealing cover.
  • the gap is 4-8 mm. The gap ensures that the incoming water can form a certain water pressure inside, and the water pressure can spray each spray hole out of the water column to flush the air path.
  • the rinsing structure is located on the upper portion of the filtering structure 26, and the filtering structure can be washed, so that the bottom fascia is not opened each time, and the filtering structure 26 is taken out for cleaning.
  • the air inlet 36 of the condensing structure is an integral tuyere
  • the hot air inlet 24 of the heat exchanger is a plurality of tuyées
  • the cross-sectional area of the air inlet of the condensation structure is smaller than the cross-sectional area of the hot air inlet of the heat exchanger
  • the air outlet 37 of the condensation structure The air outlet of the heat exchanger is a plurality of tuyées, and the cross-sectional area of the air outlet 37 of the condensing structure is smaller than the cross-sectional area of the hot air outlet of the heat exchanger, so as to achieve heat from the air inlet 36 of the hot air condensing structure.
  • Hot air of the exchanger A uniform transition of the inlet 24, an inlet air uniformity structure is provided between the air inlet 36 of the condensing structure and the hot air inlet 24 of the heat exchanger, in order to achieve a uniform transition of the hot air from the hot air outlet of the heat exchanger to the air outlet of the condensing structure
  • a wind-convenient structure is disposed between the air outlet of the condensing structure and the hot air outlet of the heat exchanger.
  • the air inlet and air uniform structure is: an upper cover plate 25 is disposed at the hot air inlet 24 of the exchanger, and the upper cover plate 25 has an inclined top surface, and the upper cover plate 25 is formed with the heat exchanger. a chamber 28, the chamber is inclined at a high level, and an end of the air inlet is an air inlet.
  • the inner surface of the air inlet is provided with a plurality of ribs 38 arranged in parallel, and the rib 38 separates the air inlet 36 into Multiple wind paths.
  • the ribs 38 are disposed along the hot air inlet 24 of the heat exchanger, and the spaces between the adjacent ribs 38 correspond to the hot air inlets 24 of the heat exchanger 35.
  • the upper cover plate 25 is inclined at a high angle, and the end away from the heat exchanger is bent upward, and the opposite side constitutes an air inlet.
  • the opposite inner surfaces of the air inlet are uniformly provided with a plurality of parallel ribs perpendicular to the inner surface. 38.
  • the ribs 38 are vertically disposed.
  • a plurality of parallel ribs 38 are disposed on the inner surface of the inclined top surface of the upper cover plate 25.
  • the upper portion of the ribs 38 is connected to the inclined top surface, and the lower portion is suspended.
  • the height of the ribs 38 changes with the inclination angle of the inclined top surface.
  • the height of the rib 38 is gradually lowered from the air inlet to the inside, and the plane formed by the lower portion of the rib 38 is parallel to the upper surface of the heat exchanger.
  • the upper cover plate 25 and the rib plate 38 are integrally provided, preferably integrally injection molded.
  • the airflow uniform structure is: the heat exchanger is provided with a cover plate 39 at a hot air outlet, and a plurality of air outlets are arranged on one side of the lower cover 39, and a plurality of air outlets are displayed.
  • the "connected" to a total air outlet connected to the air duct 27 of the dryer or the washing and drying machine, so that the condensed hot air from the heat exchanger first passes through the plurality of air outlets and then gathers together until The air duct of the dryer or washing machine.
  • the upper cover plate 25 and the lower cover plate 39 are connected to the heat exchanger, preferably connected to the two flat plate plates, and are connected in a sealed manner.

Abstract

一种叠加式热交换器，包括多个叠加搭放的翘片（1），每个翘片（1）的相对的两侧边向上弯折，与其上部的翘片（1）相配合形成通风的风路，相邻翘片（1）纵横交替设置，构成相互独立上下间隔的横风路和纵风路。热交换器由纵横交替设置的多个翘片叠放搭接，采用塑料材料，成型简单，厚度可控，并且可以做的很薄，在有效的空间内可增加翘片的数量，可以增加散热面积，提高热交换效率。采用插脚（4）、插槽（5）和弯折翻边（7）定位连接，直接纵横交替放置叠加即可，无需其他连接部件，且定位简单、精准。

Description

一种叠加式热交换器 技术领域
本发明涉及干衣领域， 尤其是一种干衣机或洗干一体机中用于冷凝蒸汽的叠加式热交 换器。
背景技术
伴随家用电器行业内能效标准不断升级优化， 越来越多的用户开始关注产品的能效参 数， 节能环保已经成为行业发展方向。
因此具有洗脱烘三合一的洗衣干衣机的烘干容量同样伴随行业的升级而升级。 滚筒式 洗衣干衣机， 在烘干过程中， 能量既要使衣物的水蒸发变成蒸汽， 还要将蒸发出来的蒸汽 继续冷凝变成水蒸汽。
目前行业内有三种形式的冷凝方式， 一、 使用自来水的冷水， 将蒸汽冷凝， 优点： 制 造成本低， 应用简单。 缺点： 机器运行中需要不断进水， 冷却， 水耗大。 二， 使用压缩机， 应用压缩机原理使用制冷剂将蒸汽冷凝， 优点： 能效低， 耗水耗电少。 缺点： 成本高， 价 格昂贵， 不利于推广。 三， 空气热交换器， 使用外界空气， 将蒸汽冷凝， 虽不及压缩机的 冷凝效率高， 但是节省水、 节省电， 且设备成本低。
已有技术采用铝合金材料作为热交换器， 交换器分成两路制作， 一路为铝合金平板设 计， 方便蒸汽通过。 另一路为曲折型铝板设计， 方便散热。 一般受洗衣机空间限制， 最多 制作两套散热路径， 铝合金材料制作成本高， 散热效果受铝合金片制作工艺限制， 蒸汽和 冷凝器接触面积小， 不利于蒸汽冷凝。
鉴于此提出本发明。
发明内容
本发明的目的为克服现有技术的不足， 提供一种叠放式热交换器， 增加散热面积， 提高 热交换效率， 定位简单、 精准。
为了实现该目的， 本发明采用如下技术方案： 一种叠加式热交换器， 包括多个叠加搭 放的翘片， 每个翘片的相对的两侧边向上弯折， 与其上部的翘片相配合形成通风的风路， 相邻翘片纵横交替设置， 构成相互独立的横风路和纵风路。
所述翘片向上弯折的两侧边的下表面设有向下凸起的插脚， 另外两侧边上表面设有向 下凹进的插槽， 所述翘片的插脚插入其下部翘片的插槽连接上下相邻的两翘片。
所述翘片垂直于该翘片与其上部翘片形成的风路方向平行设置有多条向下的压型槽， 所述压型槽将与其下部翘片形成的风路分成多个平行的风路。
所述翘片在与其上部翘片形成的风路的前后的进、 出风口处设置有向下的压型槽， 该 压型槽构成所述插槽。
所述压型槽的两端的压型深度大于其中部的压型深度形成向下的凸起形成所述插脚。 所述翘片的四个侧边向外弯折成翻边， 上下相邻的翘片的翻边搭接， 所述插槽处的翻 边搭接在其下部翘片向上弯折后向外弯折的翻边上， 且紧密贴合。 所述翘片平行于该翘片与其上部翘片形成的风路方向平行设置有多条向上的压型槽， 所述压型槽将与其上部翘片形成的风路分成多个平行的风路。
所述翘片的材料为塑料。
所述翘片的厚度为 0.2-0.5mm， 优选 0.3mm。
所述热交换器的外部设置框架， 所述热交换器的上、 下、 左、 右、 前、 后六个侧面上 设置框板， 所述框架为热交换器侧面上设置的框板连接构成的围笼结构。
所述框架上其中两组与热交换器风路相对的框板上设置有与内部换热器风路相配合的 通孔， 另外一组相对的框板为平板， 优选所述通孔为横、 竖排列设置的矩形通孔， 所述两 组相对的框板上设置的通孔分别与横风路、 纵风路的进口和出口对应。
所述框架各个框板连接处设置有连接部， 相邻框板通过连接部连接， 优选所述连接部 为卡扣结构， 所述具有通孔的两组框板内表面设置有多个平行的沟槽， 所述框板内表面的 沟槽与该紧密贴合的翻边相对应， 所述紧密贴合的翻边插接在对应框板内表面的沟槽内， 所述具有通孔的两组框板的相邻的各边缘上设置有多个垂直于框板的片状凸起， 所述片状 凸起的形状与插脚处对应相邻翻边之间的空间形状相同， 所述片状凸起分别插接在插脚处 对应相邻翻边之间的空间内。
所述纵风路竖直设置， 与热风的进风口和出风口对应， 横风路水平设置， 与冷风的进 气口和出气口对应， 热风进口处设置一上盖板， 该上盖板具有一倾斜顶面， 所述上盖板与 热交换器形成一腔室， 该腔室在上盖板倾斜较高、 远离热交换器的一端为空气冷凝结构的 进风口， 所述热交换器热风出口处设置一下盖板， 该下盖板的一侧为空气冷凝结构的出风 口， 上、 下盖板分别和平板状框板连接。
所述进风口与所述热交换器热风进口之间设置过滤装置， 过滤装置可推拉的设置在空 气冷凝结构的进风口与热交换器的热风进口之间， 优选过滤装置设置在腔室内， 所述过滤 装置与腔室侧壁滑动连接， 所述过滤装置的一端伸出所述腔室， 过滤装置的一端位于腔室 最内部时， 过滤装置的另一端位于腔室的外部， 且与过滤装置穿过该腔室的开口密封连接， 再优选所述过滤装置的两侧边设置有滑槽 /滑块， 与之对应的腔室侧壁上设置有滑块 /滑槽， 滑槽 /滑块与滑块 /滑槽配合， 形成滑动连接。
所述进风口与所述热交换器热风进口之间设置冲洗结构， 优选所述冲洗结构包括喷淋 层和密封盖， 喷淋层和密封盖构成一空腔， 喷淋层上设置多个喷淋孔， 密封盖上设置进水 口， 所述喷淋层为设置在热交换器热风进口处的上盖板， 所述密封盖设置在上盖板上部与 上盖板密封连接， 所述上盖板上设置多个喷淋孔。
进风口与所述热交换器热风进口之间设置进风匀风结构， 优选进风口及上盖板顶部内 表面设置有多个竖直的筋板， 将进风口分隔成多个均匀风路， 形成进风匀风结构； 所述空 气冷凝结构的出风口与所述热交换器热风出口之间设置出风匀风结构， 优选所述热交换器 被冷凝的热风出口处设置一下盖板， 该下盖板的一侧设置多个出风口， 多个出风口呈 "众" 形连通至一个总出风口， 形成出风匀风结构。
所述热交换器设置在干衣机或洗干一体机下部， 进风口在上部， 出风口在下部， 进风 口、 出风口分别通过风道与滚筒连通， 进气口和出气口中其中一个口设置风机， 另一个口 与大气相通。
采用本发明所述的技术方案后， 带来以下有益效果：
1、 本发明热交换器采用塑料翘片， 成型简单， 厚度可控， 并且可以做的很薄， 可在有效 的空间内可增加翘片的数量， 可以增加散热面积， 提高热交换效率； 压型槽既可以起到定位 的作用， 又可以形成风路， 引导气流， 同时增加翘片的强度， 防止变形， 还能增加接触散热 面积， 增加热交换的效率， 采用插脚、 插槽和弯折翻边定位连接， 直接纵横交替放置叠加即 可， 无需其他连接部件， 且定位简单、 精准。
2、 本发明中热交换器外部设置框架， 既能固定热交换器， 又能增强热交换器的强度， 提 高热交换器的运行可靠性， 延长使用寿命， 降低机器的故障维修率， 降低机器维护成本； 框 架和每个翘片定位连接， 相互装配， 相互支撑， 连接牢固， 且结构简单， 安装方便。
3、 本发明中设置过滤结构， 过滤干衣过程中产生的线屑， 避免堵塞热交换器风路， 且过 滤结构为可抽拉式滑动连接， 可将过滤结构拉出， 进行清理， 操作方便。
4、 本发明中设置冲洗结构， 可自动冲洗过滤结构或者热交换器风路中的线屑， 避免线屑 造成的系统的风阻系数提高， 延长热交换器的使用寿命； 采用水流冲洗不用人工清理， 提高 机器的自动化水平。
5、 本发明中设置匀风结构， 进风口和出风口处气流均匀过渡， 均匀分布到热交换器的所 有风路内进行冷凝， 一方面避免热风的不均匀， 提高换热的效率， 另一方面避免气流的不均 匀造成的压强不均匀， 对系统产生影响。
下面结合附图对本发明的具体实施方式作进一步详细的描述。
附图说明
图 1 : 本发明所述热交换器结构图
图 2: 本发明所述叠加式热交换器爆炸结构图
图 3: 本发明所述第一翅片结构图
图 4: 本发明所述第二翅片结构图
图 5: 本发明所述叠加式热交换器使用示意图
图 6: 本发明具有框架的热交换器结构图
图 7: 图 6的 A处放大图
图 8: 图 6的 B处放大图
图 9: 本发明具有框架的热交换器的爆炸图
图 10: 本发明干衣机或洗干一体机的外部结构图
图 11 : 本发明干衣机或洗干一体机的内部结构图
图 12: 本发明空气冷凝结构的结构图
图 13: 本发明空气冷凝结构的爆炸图
图 14: 本发明冲洗结构的结构图
图 15: 本发明匀风结构的结构图 图 16: 本发明上盖板的结构图
其中： 1、 翘片， 11、 第一翘片， 12、 第二翘片， 4、 插脚， 5、 插槽， 6、 压型槽， 7、 翻边， 8、 框板， 9、 通孔， 13、 凹口， 14、 卡柱， 15、 卡凸， 16、 孔， 17、 卡舌， 18、 卡 口， 19、 卡扣， 20、 卡槽， 21、 沟槽， 22、 片状凸起， 23、 密封挡板， 24、 热风进口， 25、 上盖板， 26、 过滤结构， 27、 风道， 28、 腔室， 29、 前面板， 30、 滚筒， 31、 热风风路， 32、 冷风风路， 33、 进气口， 34、 风机， 35、 热交换器， 36、 进风口， 37、 出风口， 38、 筋板， 39、 下盖板， 40、 喷淋层， 41、 密封盖， 42、 喷淋孔， 43、 进水口， 44、 水泵， 45、 进气口， 46、 侧板。
具体实施方式
如图 1、 图 2所示， 本发明所述一种叠加式热交换器， 包括多个叠加搭放的翘片 1， 每 个翘片 1的相对的两侧边向上弯折， 与其上部的翘片 1相配合形成通风的风路，相邻翘片 1 纵横交替设置， 构成相互独立上下间隔的横风路和纵风路。 其中横风路中可以通高温气流， 纵风路中可以通低温气流， 或者横风路中可以通低温气流， 纵风路中可以通高温气流， 不 同温度的气流在内部间接接触换热。 翘片采用塑料材料， 成型简单， 厚度可控， 并且可以 做的很薄， 在有效的空间内可增加翘片的数量， 可以增加散热面积， 提高热交换效率。
如图 3、 图 4所示， 翘片 1向上弯折的两侧边的下表面设有向下凸起的插脚 4， 所述翘 片 1风路前后的进出风口处设有与插脚 4匹配的插槽 5， 翘片 1纵横交替设置， 上层翘片的 插脚 4对应下层翘片的插槽 5的位置， 上层翘片的插脚 4插入其下层翘片的插槽 5连接上 下相邻的两翘片。
翘片 1垂直于该翘片与其上部翘片形成的风路方向平行设置有多条向下的压型槽 6，所 述压型槽 6将与其下部翘片形成的风路分成多个平行的风路。 所述压型槽 6既可以形成风 路， 引导气流， 同时增加翘片的强度， 防止变形， 起到加强筋的作用， 同时增加多条压型 槽， 相当于相同的投影面积上增加了接触散热面积， 从而增加了热交换的效率。
翘片 1在与其上部翘片形成的风路的前后的进、 出风口处设置有向下的压型槽 6， 该压 型槽 6构成所述插槽 5， 即翘片 1在进风口处的压型槽 6即为所述插槽 5; 所述压型槽 6的 两端的压型深度大于其中部的压型深度形成向下的凸起形成所述插脚 4，这样只是改变一下 压型的深度就能形成所述的插脚 4， 不用对插脚 4进行单独的压型， 简化了成型的工艺， 这 样插脚 4的位置和压型槽 6的位置一一对应， 但是插脚 4的位置并不限于只是和压型槽 6 的位置对应， 插脚 4可以分布在向上弯折的两侧边的下表面的任意位置， 最好保证两端各 有一个插脚， 中间再分布至少一个。
翘片 1的四侧边向外弯折成翻边 7， 上下相邻的翘片的翻边 7搭接， 所述插槽 5处的翻 边 7搭接在其下部翘片向上弯折后向外弯折的翻边 7上， 且紧密贴合形成密封的风路。 其 中有向上折弯的两侧边的翻边高于翘片， 设有插槽的两侧边的翻边低于翘片， 上层翘片的 插槽处的较低的翻边搭在下层翘片向上弯折处的较高的翻边上， 紧密贴合形成密封的风路， 同时起到限位的作用。采用插脚 4、插槽 5和弯折翻边 7定位连接， 直接纵横交替放置叠加 即可， 无需其他连接部件， 且定位简单、 精准。 翘片 1的厚度为 0.2-0.5mm， 优选 0.3mm。 既能保证强度， 又能保证热交换器的强度。 如图 1、 图 2所示， 热交换器由多组翘片叠放的方式形成， 包括第一翘片 11和第二翘 片 12， 第一翘片 11的两个长边向上弯折与其上部的翘片相配合形成通风的风路， 第二翘片 12的两个短边向上弯折与其上部的翘片相配合形成通风的风路，若第一翘片 11和第二翘片 12为正方形时， 两者的结构相同， 第一翘片 11和第二翘片 12交替放置， 构成相互独立上 下间隔的横风路和纵风路。 翘片的四周围有向外延伸的翻边， 其中有向上折弯的两侧边的 翻边高于翘片， 设有插槽的两侧边的翻边低于翘片， 上层翘片的插槽处的较低的翻边搭在 下层翘片向上弯折处的较高的翻边上， 紧密贴合形成密封的风路。
如图 5所示， 使用时， 一路风路呈水平方向， 一路风路成竖直方向， 水平方向的风路 内通入温度较低的气流， 竖直方向的风路中通入温度较高的气流， 气流通过时发生热交换， 其中竖直方向的风路中温度较高的气流中的水气遇冷冷凝， 冷凝水沿风路的侧壁向下流出 热交换器。 应用在干衣机或洗干一体机上时， 竖直方向的风路与干衣机或洗干一体机的湿 热空气出口通过风机连通， 水平方向的风路与通过风机与外界空气连通， 风机将外界空气 抽入水平方向的风路， 同时风机将干衣机或洗干一体机内部的湿热空气抽入竖直方向的风 路， 通过翘片的传导散热， 湿热空气中的水蒸气冷凝成冷凝水， 沿风路的侧壁向下流出热 交换器， 至干衣机或洗干一体机的集水盒。
如图 6、 图 9所示， 为增强热交换器的强度， 提高热交换器的运行可靠性， 延长使用寿 命， 降低机器的故障维修率， 降低机器维护成本， 本发明所述热交换器的外部设置框架， 所述热交换器的上、 下、 左、 右、 前、 后六个侧面上设置框板 8， 所述框架为热交换器侧面 上设置的框板 8连接构成的围笼结构。
框架上其中两组相对的框板 8上设置有与内部换热器风路相配合的通孔 9，另外一组相 对的框板 8 为平板， 所述平板一方面使框架形成一密封的腔体， 另一方面与其他两组相对 的框板连接， 进一步加固连接效果， 避免所述两组相对的框板变形。
如图 6、 图 7、 图 8所示， 框架各个框板连接处设置有连接部， 相邻框板通过连接部连 接， 优选所述连接部为卡扣结构， 结构简单， 安装方便。
进一步所述卡扣结构为其中一个框板 8边缘设置有凹口 13，凹口 13内设置有柱体形状 的卡柱 14， 与其连接的框板 8的边缘设置有卡凸 15， 卡凸 15上设置有孔 16， 卡凸 15插接 在凹口 13内， 两个框板 8实现定位， 凹口 13内的卡柱 14插接在卡凸 15上的孔 16内， 实 现连接 （参见图 8 );
或者所述卡扣结构为其中一个框板 8边缘设置有 "T"形卡舌 17， 与其连接的框板的边 缘设置有 "八"形卡口 18， "T"形卡舌 17插接在 "八"形卡口 18内， "T"形卡舌 17由 "八"形卡口 18较宽的一端插入， 卡口 18具有一定的形变量， 卡舌 17用力将 "八"形卡 口 18较窄的一端顶宽， 卡舌 17较宽的头部插进卡 18口内后， 卡口 18恢复原状， 卡舌 17 反向不能抽出， 实现固定连接 （参见图 7 );
再或者所述卡扣结构为其中一个框板 8边缘的侧面设置有凸起的卡扣 19， 与其连接的 框板 8的边缘有一垂直于框板的折边， 折边的侧面对应卡扣位置处设置有凹进的卡槽 20， 卡扣与卡槽卡接；
上述几种卡扣结构可以单独使用， 也可在同一框架上， 任意两种或三种组合使用。 具有通孔 9的两组框板 8内表面设置有多个平行的沟槽 21，该沟槽 21与热交换器四周 上紧密贴合的翻边 7相对应， 所述紧密贴合的翻边 7插接在对应框板内表面的沟槽 21内， 每一片翘片 1的翻边和其上部或下部翘片的翻边紧密结合后插入框架内部的沟槽 21内， 既 能固定翘片， 还能起到增加翘片强度， 提高工作可靠性的作用。
具体为： 热交换器包括多个叠加搭放的翘片 1， 每个翘片的相对的两侧边向上弯折， 与 其上部的翘片相配合形成通风的风路， 相邻翘片纵横交替设置， 构成相互独立上下间隔的 横风路和纵风路， 所述两组相对的框板上设置的通孔分别与横风路、 纵风路的进口和出口 对应。翘片的四个侧边向外弯折成翻边 7， 上下相邻的翘片 1的翻边搭接， 所述插槽处的翻 边搭接在其下部翘片向上弯折后向外弯折的翻边 7上， 且紧密贴合， 所述框板内表面的沟 槽 21与该紧密贴合的翻边 7相对应， 所述紧密贴合的翻边 7插接在对应框板 8内表面的沟 槽 21内。
具有通孔 9的两组框板的相邻的各边缘上设置有多个垂直于框板 8的片状凸起 22， 所 述片状凸起 22的形状与插脚处对应相邻翻边之间的空间形状相同， 所述片状凸起 22分别 插接在插脚处对应相邻翻边之间的空间内。
具体为： 翘片 1向上弯折的两侧边的下表面设有向下凸起的插脚 4， 另外两侧边上表面 设有向下凹进的插槽 5，所述翘片 1的插脚 4插入其下部翘片的插槽 5连接上下相邻的两翘 片， 优选所述翘片四角处至少分别设置有一个插脚 4， 插脚一侧为向下弯折后向外弯折的翻 边 7， 另一侧为向上弯折后向外弯折的翻边 7， 在插脚 4处平滑过渡， 所述片状凸起 22的 形状与插脚处对应相邻翻边之间的空间形状相同， 所述片状凸起 22分别插接在插脚处对应 相邻翻边之间的空间内。
本发明所述具有框架的热交换器中， 热交换器之间通过插脚 4、插槽 5连接， 且每相邻 两个翘片贴合的翻边 7插入到框板的沟槽 21中， 固定热交换器， 同时提高强度， 还有框板 上的片状凸起插入到插脚处过渡翻边之间的空间内， 进一步固定， 各个结构之间相互限位、 相互定位、 相互装配、 相互支撑。
框架外部设置有密封挡板 23， 优选所述设置有与内部换热器风路相配合的通孔的框板 8的边缘设置有密封挡板 23， 增强框架的密封性， 使整个热交换器外观整体性强。
如图 12、 图 13所示， 本发明中又一个实施例中可以将多个热交换器连接起来使用， 提 高冷热气流的接触面积和时间， 提高换热效率。
本发明中的框架即有定位连接作用又有加强作用， 增加部件的可靠性运行， 同时还可 以固定热交换器的翘片， 同时还可以相互装配， 相互定位， 结构简单， 安装方便。
如图 10、 图 11、 图 12、 图 13所示， 本发明所述具有框架的热交换器应用在干衣机或 洗干一体机中， 干衣机或洗干一体机中至少包括干衣系统， 所述干衣系统包括加热结构和 冷凝结构， 所述冷凝结构设置在干衣机或洗干一体机滚筒 30下部， 所述冷凝结构包括热风 的进风口 36和出风口 37， 还包括冷风的进气口 33和出气口 45， 冷凝结构内部设置热交换 器 35， 所述热交换器 35为纵横交错搭放的翘片， 热交换器 35包括两组相互交叉的风路， 一组风路与热风风路 31连接， 另一组风路与冷风风路 32连接， 热交换器 35外部设置围笼 结构的框架。
冷凝结构的长度方向与干衣机或洗干一体机的前面板 29或者侧板 46垂直设置， 优选 冷凝结构的长度方向与干衣机或洗干一体机的前面板 29垂直设置。
所述冷凝结构的进风口 36在上部， 出风口 37在下部， 这样热风经过冷凝结构的过程 中， 热风内的水蒸气遇冷凝结成冷凝水， 可以沿着冷凝结构的内壁在重力的作用下向下流 动至冷凝水收集装置， 进风口 36、 出风口 37分别通过干衣机风道 27与滚筒 30连通， 进气 口 33和出气口 45中其中一个口设置风机， 另一个口与大气相通。
所述进气口 33设置在洗干一体机的前部， 出气口 45设置在洗干一体机的后部， 且出 气口 45处设置风机 34，在风机 34的作用下由前部吸入空气， 与热交换器 35内部的热风换 热后由后部排出， 干衣机或洗干一体机的前部需要开门取放衣物， 一般不会有阻挡物， 进 气口 33设置在干衣机或洗干一体机的前部， 可保证进气的畅通， 出气口 45设置在干衣机 或洗干一体机的后部， 空气由后部排出， 不会对前面的用户造成干扰。
为提高冷凝结构的热交换效率， 本发明采用叠放式热交换器， 采用塑料材料， 成型简 单， 厚度可控， 并且可以做的很薄， 在有效的空间内可增加翘片的数量， 可以增加散热面 积， 提高热交换效率， 且定位简单、 精准。
在干衣机或者洗干一体机中， 所述冷凝结构在干衣机或者洗干一体机的循环风路上用 于湿热空气的冷凝， 运行烘干时会产生线屑， 由于热交换器 35中翘片层数多， 长时间运行 线屑容易形成堆积， 为防止热风风路 31从干衣机或者洗干一体机内带出的线屑堵塞热交换 器 35的风路， 在热交换器 35的热风进口 24处设置过滤结构 26， 有效过滤线屑等杂质， 避 免其进入热交换器内部， 造成风路流动不畅通， 或者对风路造成堵塞。 所述热交换器 35的 热风进口处 24设置过滤结构， 所述过滤结构 26可推拉的设置在冷凝结构的进风口 36与热 交换器的热风进口 24之间。
如图 12、 图 13所示， 热交换器 35的热风进口 24处设置一上盖板 25， 该上盖板 25具 有一倾斜顶面， 所述上盖板 25与热交换器形成一腔室 28， 该腔室 28在上盖板倾斜较高、 远离热交换器的一端为进风口 36， 所述上盖板倾斜较高、 远离热交换器的一端向上弯折， 与相对的另一侧面构成冷凝结构的进风口 36，所述过滤结构设置在该腔室 28内， 所述进风 口 36位于过滤结构的一侧， 热交换器热风进口 24位于过滤结构的另一侧。 这样， 在热风 进入进风口 36后， 进入热风进口 24之前， 热风中的线屑被过滤结构阻挡住， 避免线屑进 入热交换器的内部， 定期对过滤结构进行清洗即可。
过滤结构 26与腔室 28侧壁滑动连接， 所述过滤结构的一端伸出所述腔室 28， 过滤结 构 26在推拉方向上的长度大于所述热交换器 35在过滤结构推拉方向上的长度， 过滤结构 26的一端位于腔室 28最内部时， 过滤结构的另一端位于腔室的外部。 过滤结构 26可向外 拉出进行清理， 所述过滤结构 26的一端位于腔室 28最内部时， 过滤结构 26位于腔室 28 外部的一端与过滤结构穿过该腔室 28的开口密封连接， 保证在正常使用时， 内部热风不会 泄漏。
过滤结构 26的两侧边设置有滑槽 /滑块， 与之对应的腔室侧壁上设置有滑块 /滑槽， 滑 槽 /滑块与滑块 /滑槽配合， 形成滑动连接， 方便过滤结构的推拉。
过滤结构 26和热交换器 35设置在干衣机或洗干一体机的底部， 与干衣机或洗干一体 机的前面板 29垂直设置， 所述过滤结构 26可沿垂直于干衣机或洗干一体机的前面板 29的 方向推拉。 正常冷凝时过滤结构 26的一端位于腔室 28最内部， 过滤结构 26的另一端位于 腔室 28的外部， 清理时打开底饰板将过滤结构向外拉出即可对过滤结构进行清理。
过滤结构为过滤网， 所述过滤网的面积与热交换器的进风口的面积相对应， 所述过滤 网的周围设置框体， 所述上盖板内侧壁设置有插槽， 所述框体插接在上盖板内侧壁的插槽 内， 滑动连接。
由于烘干时会产生线屑， 热交换器 35的翘片层数多， 且相邻层之间的间隙较小， 长时 间运行线屑容易形成堆积， 设置过滤结构后长时间运行线屑容易在过滤结构处形成堆积， 为方便对热交换器内部的线屑进行清理， 在热交换 35的热风进口处设置冲洗结构， 或者为 方便清理过滤结构过滤的线屑， 在冷凝结构的进风口 36和热交换器的热风进口 24之间设 置冲洗结构， 冲洗结构位于过滤结构的上方。
如图 13、 图 14所示， 冲洗结构包括喷淋层 40和密封盖 41， 喷淋层 40和密封盖 41构 成一空腔， 喷淋层 40上设置多个喷淋孔 42， 密封盖 41上设置进水口 43， 密封盖 41的进 水口 43连接一水泵 44， 通过该水泵 44与自来水或其他水源连通。 在烘干运行结束， 或者 运行过程中， 或者定期对热交换器进行冲洗， 喷淋层 40和密封盖 41之间间隙小， 可以形 成一定水压， 水压可以使每个喷淋孔喷出水柱， 冲洗热交换器的每个风路。
热交换器的热风进口 24处设置一上盖板 25， 该上盖板 25具有一倾斜顶面， 所述上盖 板 25与热交换器形成一腔室 28， 该腔室 28在上盖板倾斜较高、 远离热交换器的一端为进 风口， 所述上盖板倾斜较高、 远离热交换器的一端向上弯折， 与相对的另一侧面构成冷凝 结构的进风口 36， 所述喷淋层 40为上盖板 25的倾斜顶面， 所述倾斜顶面上设置多个喷淋 孔 42， 多个喷淋孔 42均匀设置在上盖板 25上。
喷淋孔 42的孔径范围为 2-6mm， 间距为 5-10mm， 便于对热交换器的所有风路进行冲 洗。
密封盖 41设置在上盖板 25上部与上盖板 25密封连接， 喷淋层和密封盖之间设有一较 小间隙。 所述间隙为 4-8mm。 该间隙可保证进入的水在内部可以形成一定水压， 水压可以 使每个喷淋孔喷出水柱， 对风路进行冲洗。
冲洗结构位于过滤结构 26上部， 可以对过滤结构进行冲洗， 就不用每次都将底饰板打 开， 抽出过滤结构 26进行清理了。
冷凝结构的进风口 36为一个整体的风口， 热交换器的热风进口 24为多个风口， 且冷 凝结构的进风口的截面面积小于热交换器的热风进口的截面面积， 冷凝结构的出风口 37为 一个整体的风口， 热交换器的热风出口为多个风口， 且冷凝结构的出风口 37的截面面积小 于热交换器的热风出口的截面面积， 为实现由热风冷凝结构的进风口 36向热交换器的热风 进口 24的均匀过渡， 在冷凝结构的进风口 36与所述热交换器的热风进口 24之间设置进风 匀风结构， 为实现热风由热交换器热风出口到冷凝结构的出风口的均匀过渡， 在冷凝结构 的出风口与所述热交换器热风出口之间设置出风匀风结构。
如图 15、 图 16所示， 进风匀风结构为： 交换器热风进口 24处设置一上盖板 25， 上盖 板 25具有一倾斜顶面， 所述上盖板 25与热交换器形成一腔室 28， 该腔室在上盖板倾斜较 高、 远离热交换器的一端为进风口， 进风口内表面设置有多个平行设置的筋板 38， 筋板 38 将进风口 36分隔成多个风路。 这样在筋板 38构成的风路的引导下， 热风会均匀的进入到 热交换器的每个热风进口 24。
所述筋板 38沿热交换器的热风进口 24设置，相邻两筋板 38的间隔空间与热交换器 35 的热风进口 24相对应。 上盖板 25倾斜较高、 远离热交换器的一端向上弯折， 与相对的另 一侧面构成进风口， 进风口两个相对的内表面均匀设置有多个垂直于该内表面的平行筋板 38， 所述筋板 38竖直设置。
上盖板 25倾斜顶面内表面设置多个平行的筋板 38， 所述筋板 38的上部与倾斜顶面连 接， 下部悬空， 所述筋板 38的高度变化与倾斜顶面的倾斜角度相对应， 筋板 38的高度自 进风口向内部逐渐降低， 筋板 38下部所构成的平面与热交换器上表面平行。
所述上盖板 25和所述筋板 38—体设置， 优选一体注塑成型。
如图 13所示， 出风匀风结构为： 所述热交换器被冷凝的热风出口处设置一下盖板 39， 该下盖板 39的一侧设置多个出风口， 多个出风口呈 "众"形连通至一个总出风口， 连接至 干衣机或洗干一体机的风道 27，这样有热交换器出来的被冷凝后的热风先通过多个出风口， 再聚集到一起，至干衣机或洗干一体机的风道。上盖板 25、下盖板 39和热交换器卡接连接， 优选与两平板状的框板连接， 且为密封连接。
以上所述仅为本发明的优选实施方式， 应当指出， 对于本领域的普通技术人员而言， 在不脱离本发明原理前提下， 还可以做出多种变形和改进， 这也应该视为本发明的保护范 围。

Claims

权 利 要 求 书
1、 一种叠加式热交换器， 其特征在于： 包括多个叠加搭放的翘片， 每个翘片的相对的 两侧边向上弯折， 与其上部的翘片相配合形成通风的风路， 相邻翘片纵横交替设置， 构成 相互独立的横风路和纵风路。
2、 根据权利要求 1所述的一种叠加式热交换器， 其特征在于： 所述翘片向上弯折的两 侧边的下表面设有向下凸起的插脚， 另外两侧边上表面设有向下凹进的插槽， 所述翘片的 插脚插入其下部翘片的插槽连接上下相邻的两翘片。
3、 根据权利要求 1或 2所述的一种叠加式热交换器， 其特征在于： 所述翘片垂直于该 翘片与其上部翘片形成的风路方向平行设置有多条向下的压型槽， 所述压型槽将与其下部 翘片形成的风路分成多个平行的风路。
4、 根据权利要求 3所述的一种叠加式热交换器， 其特征在于： 所述翘片在与其上部翘 片形成的风路的前后的进、 出风口处设置有向下的压型槽， 该压型槽构成所述插槽。
5、 根据权利要求 4所述的一种叠加式热交换器， 其特征在于： 所述压型槽的两端的压 型深度大于其中部的压型深度形成向下的凸起形成所述插脚。
6、 根据权利要求 2所述的一种叠加式热交换器， 其特征在于： 所述翘片的四个侧边向 外弯折成翻边， 上下相邻的翘片的翻边搭接， 所述插槽处的翻边搭接在其下部翘片向上弯 折后向外弯折的翻边上， 且紧密贴合。
7、 根据权利要求 1或 2所述的一种叠加式热交换器， 其特征在于： 所述翘片平行于该 翘片与其上部翘片形成的风路方向平行设置有多条向上的压型槽， 所述压型槽将与其上部 翘片形成的风路分成多个平行的风路。
8、根据权利要求 1所述的一种叠加式热交换器，其特征在于： 所述翘片的材料为塑料。
9、 根据权利要求 1 所述的一种叠加式热交换器， 其特征在于： 所述翘片的厚度为 0.2-0.5mm, 优选 0.3mm。
10、根据权利要求 1-9任一所述的一种叠加式热交换器， 其特征在于： 所述热交换器的 外部设置框架， 所述热交换器的上、 下、 左、 右、 前、 后六个侧面上设置框板， 所述框架 为热交换器侧面上设置的框板连接构成的围笼结构。
11、 根据权利要求 10所述的一种叠加式热交换器， 其特征在于： 所述框架上其中两组 与热交换器风路相对的框板上设置有与内部换热器风路相配合的通孔， 另外一组相对的框 板为平板， 优选所述通孔为横、 竖排列设置的矩形通孔， 所述两组相对的框板上设置的通 孔分别与横风路、 纵风路的进口和出口对应。
12、 根据权利要求 11所述的一种叠加式热交换器， 其特征在于： 所述框架各个框板连 接处设置有连接部， 相邻框板通过连接部连接， 优选所述连接部为卡扣结构， 所述具有通 孔的两组框板内表面设置有多个平行的沟槽， 所述框板内表面的沟槽与该紧密贴合的翻边 相对应， 所述紧密贴合的翻边插接在对应框板内表面的沟槽内， 所述具有通孔的两组框板 的相邻的各边缘上设置有多个垂直于框板的片状凸起， 所述片状凸起的形状与插脚处对应 相邻翻边之间的空间形状相同， 所述片状凸起分别插接在插脚处对应相邻翻边之间的空间 内。
13、根据权利要求 11所述的一种叠加式热交换器， 其特征在于： 所述纵风路竖直设置， 与热风的进风口和出风口对应， 横风路水平设置， 与冷风的进气口和出气口对应， 热风进 口处设置一上盖板， 该上盖板具有一倾斜顶面， 所述上盖板与热交换器形成一腔室， 该腔 室在上盖板倾斜较高、 远离热交换器的一端为空气冷凝结构的进风口， 所述热交换器热风 出口处设置一下盖板， 该下盖板的一侧为空气冷凝结构的出风口， 上、 下盖板分别和平板 状框板连接。
14、 根据权利要求 13所述的一种叠加式热交换器， 其特征在于： 所述进风口与所述热 交换器热风进口之间设置过滤装置， 过滤装置可推拉的设置在空气冷凝结构的进风口与热 交换器的热风进口之间， 优选过滤装置设置在腔室内， 所述过滤装置与腔室侧壁滑动连接， 所述过滤装置的一端伸出所述腔室， 过滤装置的一端位于腔室最内部时， 过滤装置的另一 端位于腔室的外部， 且与过滤装置穿过该腔室的开口密封连接， 再优选所述过滤装置的两 侧边设置有滑槽 /滑块， 与之对应的腔室侧壁上设置有滑块 /滑槽， 滑槽 /滑块与滑块 /滑槽配 合， 形成滑动连接。
15、 根据权利要求 13所述的一种叠加式热交换器， 其特征在于： 所述进风口与所述热 交换器热风进口之间设置冲洗结构， 优选所述冲洗结构包括喷淋层和密封盖， 喷淋层和密 封盖构成一空腔， 喷淋层上设置多个喷淋孔， 密封盖上设置进水口， 所述喷淋层为设置在 热交换器热风进口处的上盖板， 所述密封盖设置在上盖板上部与上盖板密封连接， 所述上 盖板上设置多个喷淋孔。
16、 根据权利要求 13所述的一种叠加式热交换器， 其特征在于： 进风口与所述热交换 器热风进口之间设置进风匀风结构， 优选进风口及上盖板顶部内表面设置有多个竖直的筋 板， 将进风口分隔成多个均匀风路， 形成进风匀风结构； 所述空气冷凝结构的出风口与所 述热交换器热风出口之间设置出风匀风结构， 优选所述热交换器被冷凝的热风出口处设置 一下盖板， 该下盖板的一侧设置多个出风口， 多个出风口呈 "众"形连通至一个总出风口， 形成出风匀风结构。
17、 根据权利要求 1-16任一所述的一种叠加式热交换器， 其特征在于： 所述热交换器 设置在干衣机或洗干一体机下部， 进风口在上部， 出风口在下部， 进风口、 出风口分别通 过风道与滚筒连通， 进气口和出气口中其中一个口设置风机， 另一个口与大气相通。
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