CN104911880B - A kind of filter structure of heat exchanger - Google Patents

Abstract

The present invention discloses a kind of filter structure of heat exchanger, the heat exchanger includes two groups of cross one another wind paths, one group of wind path is connect with hot wind wind path, another group of wind path is connect with cold wind wind path, filter structure is set at the heat exchanger hot wind inlet, and the setting that the filter structure can push and pull is between hot wind wind path and heat exchanger hot wind inlet.The filter structure can effectively filter the impurity such as the bits of the line in hot wind wind path, the impurity such as line bits are avoided to enter in the wind path of heat exchanger, it improves windage or results in blockage to wind path, be arranged to can be plug-type for the filter structure simultaneously, when line bits on filter structure are more, or periodically clear up filter structure pull-out, cleaning in this way is very convenient, without dismantling its internal structure.

Description

A kind of filter structure of heat exchanger

Technical field

The present invention relates to drying field, especially a kind of filter structure of heat exchanger.

Background technique

Constantly upgrade optimization with Energy Efficiency Standard in white goods industry, more and more users begin to focus on the energy of product Parameter is imitated, energy conservation and environmental protection has become industry development direction.

Therefore the drying capacity that there is elution to dry three-in-one clothes washer-dryer equally upgrades with the upgrading of industry.Rolling Cartridge type clothes washer-dryer, during the drying process, energy should make the water evaporation of clothing become steam, the steaming being also evaporated Vapour continues condensation and becomes water vapour.

Triformed condensing mode in industry at present, one, using the cold water of tap water, steam is condensed, advantage: system Make it is at low cost, using simple.Disadvantage: needing constantly to intake in machine operation, and cooling, water consume is big.Two, use compressor, application Compressor principle is condensed steam using refrigerant, advantage: efficiency is low, water consumption little power consumption.Disadvantage: it is at high cost, it is expensive, no Conducive to popularization.Three, air heat exchanger is condensed steam using outside air, though it is high not as good as the condensation efficiency of compressor, It is to save water, save electricity, and equipment cost is low.

For prior art using aluminum alloy materials as heat exchanger, it is all the way aluminium horizontal that exchanger, which is divided into two-way production, Plate design, facilitates steam to pass through.Another way is the design of meander configuration aluminium sheet, facilitates heat dissipation.It is generally limited by machine volume, at most Two sets heat dissipation paths, aluminum alloy materials costs of manufacture height are made, heat dissipation effect is limited by aluminum alloy sheet manufacture craft, steam and cold Condenser contact area is small, is unfavorable for steam condensation.

To increase heat dissipation area, plastic tab formula heat exchanger stacks overlap joint by the multiple fins being arranged alternately in length and breadth, adopts With plastic material, molding is simple, and thickness is controllable, and can be made thin, can increase the quantity of fin in effective space, Heat dissipation area can be increased, improve heat exchanger effectiveness, directly alternately place superposition in length and breadth, be not necessarily to other connecting components, and Positioning is simple, accurate, but relatively thin thin slice can bring intensity to be lower, and reliability reduces, and deformation can be generated after long-time use, Properties of product are influenced, add frame in the outside of heat exchanger, while plastic tab formula heat exchanger requires production thickness small, number Amount is more, mutually assembles between frame, if not allowing easy to clean by line bits blocking, to guarantee product quality durable, then needs Increase a kind of filter structure, filters to consider to be worth doing from the line that clothes dryer air duct enters heat exchanger and be filtered by filter screen structure, protection heat Exchanger is not blocked, and guarantees part quality and service life.

Given this present invention is proposed.

Summary of the invention

It is an object of the present invention to overcome the deficiencies of the prior art and provide a kind of filter structure of heat exchanger, structure is simple, It is convenient to clean.

In order to realize the purpose, the present invention adopts the following technical scheme: a kind of filter structure of heat exchanger, the heat are handed over Parallel operation includes two groups of cross one another wind paths, and one group of wind path is connect with hot wind wind path, and another group of wind path is connect with cold wind wind path, institute Setting filter structure at heat exchanger hot wind inlet is stated, the setting that the filter structure can push and pull is in hot wind wind path and heat exchanger Between hot wind inlet.

One upper cover plate is set at the heat exchanger hot wind inlet, which has a sloped top face, the upper cover plate A chamber is formed with heat exchanger, it is air inlet, the mistake which, which tilts higher one end far from heat exchanger in upper cover plate, Structure setting is filtered in the chamber, the air inlet is located at the side of filter structure, and heat exchanger hot wind inlet is located at filtering knot The other side of structure.

The filter structure is slidably connected with chamber sidewall, and the chamber, preferably institute are stretched out in one end of the filter structure The two sides for stating filter structure are provided with sliding slot/sliding block, and sliding block/sliding slot, sliding slot/cunning are provided in corresponding chamber sidewall Block and sliding block/sliding slot cooperate, and formation is slidably connected.

The filter structure is greater than the heat exchanger on filter structure push-and-pull direction in the length on push-and-pull direction Length, when one end of filter structure is located at chamber penetralia, the other end of filter structure is located at the outside of chamber.

When one end of the filter structure is located at chamber penetralia, filter structure is located at one end of exterior thereto and filtering is tied The opening that structure passes through the chamber is tightly connected.

The filter structure and heat exchanger are arranged in drying motor spindle, are vertically arranged with dryer front panel, the mistake Filtering structure can push and pull along the direction perpendicular to dryer front panel.

The filter structure is filter screen.

Framework is set around the filter screen, slot is provided on the upper cover plate, the framework is plugged on upper cover plate Slot in.

The heat exchanger includes that the fin put is taken in multiple superpositions, and the opposite two sides of each fin are folded upward at, with The fin of upper part matches the wind path to form ventilation, and adjacent fin is arranged alternately in length and breadth, constitute mutually independent beam wind road and Range wind road, range wind road are connect with hot wind wind path, and the top on range wind road is arranged in the filter structure.

The external of the heat exchanger is arranged frame, on six sides of up, down, left, right, before and after of the heat exchanger Deckle board is set, and the frame is the inclosure structure that the deckle board being arranged on heat exchanger side connects and composes, wherein two groups and beam wind The through-hole matched with internal exchanger wind path is provided on the opposite deckle board in road, range wind road, the opposite deckle board of another set is The top of the deckle board on range wind road is arranged in plate, the filter structure.

After technical solutions according to the invention, bring it is following the utility model has the advantages that

1, filter structure of the present invention filters the line bits in hot wind wind path, avoids blocking heat-exchanger wind path, and filter Structure is slidably connected to be pullable, can pull out filter structure, be cleared up, easy to operate.

2, present heat exchanger uses plastics fin, and molding is simple, and thickness is controllable, and can be made thin, can be The quantity that fin can be increased in effective space, can increase heat dissipation area, improve heat exchanger effectiveness；Die mould slot can both play The effect of positioning, and wind path can be formed, air-flow is guided, while increasing the intensity of fin, prevent from deforming, moreover it is possible to increased contact and dissipate Heat area increases the efficiency of heat exchange.

3, frame is set outside heat exchanger in the present invention, stationary heat exchangers and the strong of heat exchanger can be enhanced Degree, improves the operational reliability of heat exchanger, prolongs the service life, and reduces the breakdown maintenance rate of machine, reduce machine maintenance at This；Frame and each fin are located by connecting, and mutually assemble, and mutually support, are connected firmly, and structure is simple, easy for installation.

A specific embodiment of the invention is described in further detail with reference to the accompanying drawing.

Detailed description of the invention

Fig. 1: the external structure of dryer or washing-drying integral machine of the present invention

Fig. 2: the internal structure chart of dryer or washing-drying integral machine of the present invention

Fig. 3: the structure chart of air setting structure of the present invention

Fig. 4: the explosive view of air setting structure of the present invention

Fig. 5: present heat exchanger wind path schematic diagram

Fig. 6: present heat exchanger structure chart

Enlarged drawing at Fig. 7: Fig. 6 A

Enlarged drawing at Fig. 8: Fig. 6 B

Fig. 9: the explosive view of present heat exchanger

Figure 10: superposing type heat converter structure figure of the present invention

Figure 11: superposing type heat exchanger explosive view of the present invention

Figure 12: the wind path schematic diagram of superposing type heat exchanger of the present invention

Figure 13: the structure chart of flushing mechanism of the present invention

Figure 14: the structure chart of the even wind structure of the present invention

Figure 15: the structure chart of upper cover plate of the present invention

Wherein: 1, fin, the 11, first fin, the 12, second fin, 4, pin, 5, slot, 6, die mould slot, 7, flange, 8, Deckle board, 9, through-hole, 13, recess, 14, card column, 15, card convex, 16, hole, 17, block tongue, 18, bayonet, 19, buckle, 20, card slot, 21, Groove, 22, sheet protrusion, 23, sealing baffle, 24, hot wind inlet, 25, upper cover plate, 26, filter structure, 27, air duct, 28, chamber Room, 29, front panel, 30, roller, 31, hot wind wind path, 32, cold wind wind path, 33, air inlet, 34, blower, 35, heat exchanger, 36, air inlet, 37, air outlet, 38, gusset, 39, lower cover plate, 40, spraying layer, 41, sealing cover, 42, spray apertures, 43, water inlet Mouthful, 44, water pump, 45, air inlet, 46, side plate.

Specific embodiment

As shown in Figure 3, Figure 4, the filter structure of a kind of heat exchanger of the present invention, the heat exchanger include two groups of phases The wind path mutually intersected, one group of wind path are connect with hot wind wind path 31, and another group of wind path is connect with cold wind wind path 32, the heat exchanger Filter structure is set at hot wind inlet 24, the setting that the filter structure can push and pull hot wind wind path 31 and heat exchanger hot wind into Between mouth 24.The filter structure can effectively filter the impurity such as the bits of the line in hot wind wind path, and the impurity such as line bits is avoided to enter It into the wind path of heat exchanger, improves and windage or results in blockage to wind path, while be arranged to can be plug-type for the filter structure, When line bits on filter structure are more, or periodically filter structure pull-out is cleared up, cleaning so easily, does not have to it Internal structure is dismantled.

One upper cover plate 25 is set at the hot wind inlet 24 of heat exchanger 35, which has a sloped top face, described Upper cover plate 25 and heat exchanger form a chamber 28, which tilts one end higher, far from heat exchanger in upper cover plate and be Air inlet 36, the upper cover plate inclination is higher, one end far from heat exchanger is folded upward at, and constitutes with opposite another side cold The air inlet 36 of concretio, the filter structure are arranged in the chamber 28, and the air inlet 36 is located at the side of filter structure, Heat exchanger hot wind inlet 24 is located at the other side of filter structure.In this way, after hot wind enters air inlet 36, into hot wind inlet Before 24, the line bits in hot wind are stopped by filter structure, avoid line bits from entering the inside of heat exchanger, periodically to filter structure It is cleaned.

Filter structure 26 is connect with 28 side walls of chamber, and the chamber 28, filtering are stretched out in one end of the filter structure Structure 26 is greater than length of the heat exchanger 35 on filter structure push-and-pull direction, filter structure in the length on push-and-pull direction When 26 one end is located at 28 penetralia of chamber, the other end of filter structure is located at the outside of chamber.Filter structure 26 can be pulled outwardly It is cleared up out, when one end of the filter structure 26 is located at 28 penetralia of chamber, filter structure 26 is located at outside chamber 28 The opening that one end and filter structure pass through the chamber 28 is tightly connected, and is guaranteed in normal use, internal hot wind will not leak.

The two sides of filter structure 26 are provided with sliding slot/sliding block, and sliding block/cunning is provided in corresponding chamber sidewall Slot, sliding slot/sliding block and sliding block/sliding slot cooperate, and formation is slidably connected, and facilitate the push-and-pull of filter structure.

The bottom of dryer or washing-drying integral machine is arranged in filter structure 26 and heat exchanger 35, and dryer or washes dry one The front panel 29 of body machine is vertically arranged, and the filter structure 26 can be along the front panel 29 perpendicular to dryer or washing-drying integral machine Direction push-and-pull.One end of filter structure 26 is located at 28 penetralia of chamber when normal condensation, and the other end of filter structure 26 is located at chamber The outside of room 28 opens pavcilion plate when cleaning and pulls out filter structure and can clear up filter structure.

Filter structure is filter screen, and the area of air inlet of area and heat exchanger of the filter screen is corresponding, described Framework is set around filter screen, and the upper cover plate inner sidewall is provided with slot, and the framework is plugged on upper cover plate inner sidewall In slot, it is slidably connected.

As shown in Figure 1, Figure 2, Figure 3, Figure 4, the filter structure of heat exchanger of the present invention is applied in dryer or is washed dry In all-in-one machine, drying system is included at least in dryer or washing-drying integral machine, the drying system includes heating structure and condensation Structure, the condensation structure are arranged in 30 lower part of dryer or washing-drying integral machine roller, the condensation structure include hot wind into Air port 36 and air outlet 37 further include air inlet 33 and the gas outlet 45 of cold wind, condensation structure arranging heat exchangers inside 35, institute Stating heat exchanger 35 is to take the fin put in a crisscross manner, and heat exchanger 35 includes two groups of cross one another wind paths, one group of wind path with Hot wind wind path 31 connects, and another group of wind path is connect with cold wind wind path 32, and the frame of inclosure structure is arranged outside heat exchanger 35.

The length direction of condensation structure and the front panel 29 or side plate 46 of dryer or washing-drying integral machine are vertically arranged, excellent The length direction of condensation structure and the front panel 29 of dryer or washing-drying integral machine is selected to be vertically arranged.

Condensation structure is air setting structure, the air inlet 36 of the condensation structure on top, air outlet 37 in lower part, this During sample hot wind passes through condensation structure, the vapor in hot wind condenses into condensed water to the cold, can be along condensation structure Inner wall flows downward to condensed water collecting device under gravity, and air inlet 36, air outlet 37 pass through dryer wind respectively Road 27 is connected to roller 30, and blower is arranged in one of mouth in air inlet 33 and gas outlet 45, another mouth is communicated with atmosphere.

The front of washing-drying integral machine is arranged in the air inlet 33, and the rear portion of washing-drying integral machine is arranged in gas outlet 45, and Blower 34 is set at gas outlet 45, air is sucked by front under the action of blower 34, is changed with the hot wind inside heat exchanger 35 It is discharged after heat by rear portion, the front of dryer or washing-drying integral machine, which needs to open the door, picks and places clothing, does not have obstacle, air inlet generally Mouthfuls 33 are arranged in the front of dryer or washing-drying integral machine, it is ensured that air inlet it is unimpeded, gas outlet 45 is arranged in dryer or washes The rear portion of drying integral machine, air are discharged by rear portion, will not be interfered to the user of front.

For the heat exchanger effectiveness for improving condensation structure, the present invention uses Superimposed heat exchanger, using plastic material, molding Simply, thickness is controllable, and can be made thin, can increase the quantity of fin in effective space, can increase radiating surface Product improves heat exchanger effectiveness, and positions simple, accurate.

As shown in figs. 10,11 and 12, superposing type heat exchanger takes the fin 1 put, each fin 1 including multiple superpositions Opposite two sides be folded upward at, the wind path to form ventilation is matched with the fin 1 of upper part, adjacent fin 1 replaces in length and breadth Setting, constitute it is mutually indepedent between the upper and lower every beam wind road and range wind road.High temperature gas flow can wherein be led in beam wind road, in range wind road Can lead in low-temperature airflow or beam wind road can lead to low-temperature airflow, and high temperature gas flow, the gas of different temperatures can be led in range wind road Stream is in internal indirect contact heat exchanger.Fin 1 uses plastic material, and molding is simple, and thickness is controllable, and can be made thin, The quantity that fin can be increased in effective space, can increase heat dissipation area, improve heat exchanger effectiveness.

Wherein range wind road is vertically arranged, corresponding with the air inlet 36 of condensation structure and air outlet 37, is connected with hot wind wind path 31 It connecing, beam wind road is horizontally disposed, and it is corresponding with the air inlet 33 of condensation structure and gas outlet 45, it is connect with cold wind wind path 32.

The lower surface for the two sides that fin 1 is folded upward at is equipped with downwardly convex pin 4, before and after 1 wind path of fin It is equipped at inlet and outlet and is arranged alternately in length and breadth with the matched slot 5 of pin 4, fin 1, the corresponding lower layer of the pin 4 of upper layer fin sticks up The position of the slot 5 of piece, the slot 5 that the pin 4 of upper layer fin is inserted under layer fin connect two neighbouring fins.

The wind path direction that fin 1 is formed perpendicular to the fin and upper part fin is arranged in parallel with a plurality of downward die mould slot 6, the wind path formed with its underpart fin is divided into multiple parallel wind paths by the die mould slot 6.The die mould slot 6 can both be formed Wind path guides air-flow, while increasing the intensity of fin, prevents from deforming, plays the role of reinforcing rib, while increasing a plurality of die mould Slot is equivalent in identical projected area and increases contact heat dissipation area, to increase the efficiency of heat exchange.

Fin 1 before and after the wind path formed with upper part fin into and out of being provided with downward die mould slot 6 at air port, The die mould slot 6 constitutes the slot 5, i.e. fin 1 is the slot 5 in the die mould slot 6 of air inlet；The die mould slot 6 The die mould depth that the die mould depth at both ends is greater than in the middle part of it formed it is downward convex to form the pin 4, only change one in this way The depth of down-pressing type can form the pin 4, without carrying out individual die mould to pin 4, simplify molding technique, this The position of sample pin 4 and the position of die mould slot 6 correspond, but the position of pin 4 is not limited to the only position with die mould slot 6 Correspondence is set, pin 4 can be distributed in any position of the lower surface for the two sides being folded upward at, and preferably guarantee both ends respectively have one Pin, centre redistribute at least one.

The four side outward bending of fin 1 is at flange 7, and the flange 7 of neighbouring fin overlaps, at the slot 5 Flange 7 is overlapped on its underpart fin and is folded upward on the flange 7 of rear outward bending, and fits closely the wind path to form sealing.Its In there is the flange of the two sides of upward bending to be higher than fin, the flange of the two sides equipped with slot is lower than fin, upper layer fin Lower flange at slot rides over lower layer's fin and is folded upward on the higher flange at place, fits closely the wind to form sealing Road, while playing the role of limit.It is located by connecting using pin 4, slot 5 and bending flange 7, directly alternately places superposition in length and breadth , other connecting components are not necessarily to, and position simple, accurate.

Fin 1 with a thickness of 0.2-0.5mm, preferably 0.3mm, the heat exchanger relative to aluminium alloy greatly reduces sheet body Thickness, at the same can proof strength, more heat exchange fins can be set in limited space, increase the area of heat exchange, from And improve heat exchange efficiency.

Heat exchanger 35 is formed by the mode that multiple groups fin stacks, including the first fin 11 and the second fin 12, and first sticks up Two long sides of piece 11 are folded upward at the wind path for matching with the fin of upper part and forming ventilation, two short sides of the second fin 12 It is folded upward at the wind path for matching with the fin of upper part and forming ventilation, if the first fin 11 and the second fin 12 are square When, the structure of the two is identical, and the first fin 11 and the second fin 12 are alternately placed, constitute it is mutually indepedent between the upper and lower every beam wind road With range wind road.Fin all around has outwardly extending flange, wherein there is the flange of the two sides of upward bending to be higher than fin, if There is the flange of the two sides of slot to be lower than fin, the lower flange at the slot of upper layer fin rides over lower layer's fin and is folded upward at On the higher flange at place, the wind path to form sealing is fitted closely.

In use, in horizontal direction, wind path is passed through temperature in the wind path of horizontal direction at vertical direction to wind path all the way all the way Lower air-flow is passed through the higher air-flow of temperature in the wind path of vertical direction, heat exchange occurs when air-flow passes through, wherein vertical side To wind path in aqueous vapor in the higher air-flow of temperature condense to the cold, condensed water flows downward out heat exchanger along the side wall of wind path, It applies in dryer or washing-drying integral machine, the hot wind wind path 31 is the circulating air duct of dryer or washing-drying integral machine, described Cold wind wind path 32 is air wind path.The hot and humid air outlet of the circulating air duct of range wind road and dryer or washing-drying integral machine passes through wind Machine connection, beam wind road are connected to by blower with outside air, and outside air is pumped into the wind path of horizontal direction, while wind by blower Damp-heat air inside dryer is pumped into the wind path of vertical direction by machine, the water by the heat loss through conduction of fin, in damp-heat air Steam is condensed into condensed water, and the side wall along wind path flows downward out heat exchanger, until the collecting box of dryer or washing-drying integral machine.

For the intensity for enhancing heat exchanger, the operational reliability of heat exchanger is improved, is prolonged the service life, machine is reduced Breakdown maintenance rate reduces machine maintenance cost, and frame is arranged in the external of heat exchanger of the present invention, the heat exchanger Deckle board 8 is set on six sides of up, down, left, right, before and after, and the frame is that the deckle board 8 being arranged on heat exchanger side connects The inclosure structure of composition forms the heat exchanger with frame.

It is wherein provided on two groups of opposite deckle boards 8 as shown in Fig. 5, Fig. 6, Fig. 7, Fig. 8, Fig. 9, on frame and internal heat The through-hole 9 that device wind path matches, the opposite deckle board 8 of another set are plate, on the one hand the plate makes frame form a sealing Cavity, on the other hand opposite with other two groups deckle board connection, further reinforces connection effect, avoid described two groups it is opposite Deckle board deformation.

The each deckle board junction of frame is provided with interconnecting piece, and adjacent deckle board is connected by interconnecting piece, the preferably described interconnecting piece For buckle structure, structure is simple, easy for installation.

Buckle structure described further is that one of 8 edge of deckle board is provided with recess 13, is provided with cylinder in recess 13 The card column 14 of shape, the edge of deckle board 8 connected to it are provided with card convex 15, and hole 16,15 grafting of card convex are provided in card convex 15 In recess 13, two deckle boards 8 realize positioning, and the card column 14 in recess 13 is plugged in the hole 16 in card convex 15, realize connection (referring to Fig. 8)；

Or the buckle structure is that one of 8 edge of deckle board is provided with "T"-shaped block tongue 17, deckle board connected to it Edge is provided with " eight " shape bayonet 18, and "T"-shaped block tongue 17 is plugged in " eight " shape bayonet 18, and "T"-shaped block tongue 17 is by " eight " shape card Mouthfuls 18 wider one end insertions, bayonet 18 have certain deformation quantity, and block tongue 17 is exerted oneself one end that " eight " shape bayonet 18 is relatively narrow Top width, after the wider head of block tongue 17 is injected in 18 mouthfuls of card, bayonet 18 restores to the original state, and block tongue 17 cannot reversely be extracted out, realizes solid Fixed connection (referring to Fig. 7)；

Again or the buckle structure is that the side at one of 8 edge of deckle board is provided with the buckle 19 of protrusion, is connected with it The edge of the deckle board 8 connect have one perpendicular to deckle board flanging, the side of flanging corresponds to snapped on position and is provided with recessed card slot 20, buckle is clamped with card slot；

Above-mentioned several buckle structures can be used alone, and can also be applied in combination for any two or three on same frame.

Two groups of 8 inner surfaces of deckle board with through-hole 9 are provided with multiple parallel grooves 21, the groove 21 and heat exchanger four The flange 7 fitted closely on week is corresponding, and the flange 7 fitted closely is plugged in the groove 21 of corresponding deckle board inner surface, The flange of flange and upper part or lower part fin per a piece of fin 1 is inserted into the groove 21 of lower portion after combining closely, both It is capable of fixing fin, moreover it is possible to play the role of increasing fin intensity, improve functional reliability.

Specifically: heat exchanger includes that the fin 1 put is taken in multiple superpositions, and the opposite two sides of each fin are bent up Folding, the wind path to form ventilation is matched with the fin of upper part, and adjacent fin is arranged alternately in length and breadth, is constituted independently of each other between the upper and lower Every beam wind road and range wind road, the through-hole being arranged on two groups of opposite deckle boards respectively with beam wind road, range wind road import and Outlet corresponds to.Four side outward bendings of fin are at flange 7, and the flange of neighbouring fin 1 overlaps, at the slot Flange is overlapped on its underpart fin and is folded upward on the flange 7 of rear outward bending, and fits closely, the ditch of the deckle board inner surface Slot 21 is corresponding with the flange fitted closely 7, and the flange 7 fitted closely is plugged on the groove of corresponding 8 inner surface of deckle board In 21.

Multiple sheet protrusions 22 perpendicular to deckle board 8 are provided on adjacent each edge of two groups of deckle boards with through-hole 9, Spatial form between the shape of the sheet protrusion 22 and the corresponding adjacent flange of base pin place is identical, and the sheet protrusion 22 is distinguished It is plugged in the space that base pin place corresponds between adjacent flange.

Specifically: the lower surface for the two sides that fin 1 is folded upward at is equipped with downwardly convex pin 4, in addition on two sides Surface is equipped with slot 5 recessed down, and the slot 5 that the pin 4 of the fin 1 is inserted under portion's fin connects neighbouring two Fin, the preferably described fin four corners are at least respectively arranged with a pin 4, and pin side is to bend downward rear outward bending Flange 7, the other side are the flange 7 for being folded upward at rear outward bending, are seamlessly transitted at pin 4, the shape of the sheet protrusion 22 Spatial form between shape and the corresponding adjacent flange of base pin place is identical, and the sheet protrusion 22 is plugged on base pin place respectively and corresponds to phase In space between adjacent flange.

In heat exchanger of the present invention with frame, connected between heat exchanger by pin 4, slot 5, and every phase The flange 7 of adjacent two fins fitting is inserted into the groove 21 of deckle board, stationary heat exchangers, while improving intensity, and there are also deckle boards On sheet protrusion be inserted into the space between base pin place transition flange, further fix, between each structure mutually limit, It is mutually located, mutually assembly, mutually support.

Sealing baffle 23 is provided with outside frame, it is preferably described to be provided with the through-hole matched with internal exchanger wind path The edge of deckle board 8 is provided with sealing baffle 23, enhances the leakproofness of frame, keeps entire heat exchanger appearance globality strong.

Multiple heat exchangers 35 can be connected into use in another embodiment in the present invention, improve hot and cold air Contact area and time improve heat exchange efficiency.

The frame i.e. effect of being located by connecting in the present invention has booster action again, increases the reliability operation of component, simultaneously Can be with the fin of stationary heat exchangers, while can also mutually assemble, it is mutually located, structure is simple, easy for installation.

Circulating air duct of the condensation structure in dryer or washing-drying integral machine in dryer perhaps washing-drying integral machine The upper condensation for damp-heat air, operation can generate line bits when drying, and since the fin number of plies is more in heat exchanger 35, transport for a long time Line considers accumulation easy to form to be worth doing, and the line bits blocking heat to prevent hot wind wind path 31 from taking out of out of dryer or washing-drying integral machine is handed over The wind path of parallel operation 35, is arranged filter structure 26 at the hot wind inlet 24 of heat exchanger 35, effectively filters the impurity such as line bits, avoids It enters internal heat exchanger, it is logical to cause wind path unsmooth flowing, or result in blockage to wind path.The hot wind of the heat exchanger 35 Filter structure, the air inlet 36 that condensation structure is arranged in and heat exchanger that the filter structure 26 can push and pull is arranged in entrance 24 Hot wind inlet 24 between, effectively filter the impurity such as line bits, and be also convenient for clearing up.

Due to that can generate line bits when drying, the fin number of plies of heat exchanger 35 is more, and the gap between adjacent layer is smaller, long Time runs line and considers accumulation easy to form to be worth doing, and long-play line bits are easy to form heap at filter structure after filter structure is arranged Product clears up for convenience of the line bits to internal heat exchanger, flushing mechanism is arranged at the hot wind inlet of heat exchange 35, or For convenience of the line bits of cleaning filter structure filtering, set between the air inlet 36 of condensation structure and the hot wind inlet 24 of heat exchanger Flushing mechanism is set, flushing mechanism is located at the top of filter structure.

Flushing mechanism includes spraying layer 40 and sealing cover 41, and spraying layer 40 and sealing cover 41 constitute a cavity, spraying layer 40 It is upper that multiple spray apertures 42 are set, water inlet 43 is set on sealing cover 41, and the water inlet 43 of sealing cover 41 connects a water pump 44, passes through The water pump 44 is connected to tap water or other water sources.In drying end of run perhaps operational process or periodically to heat exchange Device is rinsed, and gap is small between spraying layer 40 and sealing cover 41, can form certain hydraulic pressure, and hydraulic pressure can make each spray apertures Water column is sprayed, each wind path of heat exchanger is rinsed.

At the hot wind inlet 24 of heat exchanger be arranged a upper cover plate 25, the upper cover plate 25 have a sloped top face, it is described on Cover board 25 and heat exchanger form a chamber 28, the chamber 28 upper cover plate tilt higher one end far from heat exchanger be into Air port, the upper cover plate inclination is higher, one end far from heat exchanger is folded upward at, and constitutes condensation knot with opposite another side The air inlet 36 of structure, the spraying layer 40 are the sloped top face of upper cover plate 25, and multiple spray apertures 42 are arranged in the sloped top face, Multiple spray apertures 42 are uniformly arranged on upper cover plate 25.

The pore diameter range of spray apertures 42 is 2-6mm, spacing 5-10mm, is rushed convenient for all wind paths to heat exchanger It washes.

The setting of sealing cover 41 is tightly connected on 25 top of upper cover plate and upper cover plate 25, and one is equipped between spraying layer and sealing cover Small gap.The gap is 4-8mm.The gap can guarantee that the water entered can form certain hydraulic pressure in inside, and hydraulic pressure can be with So that each spray apertures is sprayed water column, wind path is rinsed.

Flushing mechanism is located at 26 top of filter structure, can be rinsed to filter structure, does not just have to every time by pavcilion Plate is opened, and extraction filter structure 26 is cleaned up.

The air inlet 36 of condensation structure is the air port of an entirety, and the hot wind inlet 24 of heat exchanger is multiple air ports, and The area of section of the air inlet of condensation structure is less than the area of section of the hot wind inlet of heat exchanger, the air outlet 37 of condensation structure For the air port of an entirety, the hot-blast outlet of heat exchanger is multiple air ports, and the area of section of the air outlet 37 of condensation structure Less than the area of section of the hot-blast outlet of heat exchanger, to realize by the heat of 36 heat exchanger of air inlet of hot wind condensation structure Air inlet is arranged in the even transition of wind inlet 24 between the air inlet 36 of condensation structure and the hot wind inlet 24 of the heat exchanger Even wind structure, for realize hot wind by heat exchanger hot-blast outlet to condensation structure air outlet even transition, in condensation structure Air outlet and the heat exchanger hot-blast outlet between be arranged the even wind structure of outlet air.

As shown in Figure 14, Figure 15, enter the wind even wind structure are as follows: a upper cover plate 25, upper cover are set at exchanger hot wind inlet 24 Plate 25 has a sloped top face, and the upper cover plate 25 and heat exchanger form a chamber 28, the chamber upper cover plate tilt it is higher, One end far from heat exchanger is air inlet, and air inlet inner surface is provided with multiple gussets disposed in parallel 38, and gusset 38 will be into Air port 36 is separated into multiple wind paths.In this way under the guidance for the wind path that gusset 38 is constituted, hot wind can uniformly enter heat exchange Each hot wind inlet 24 of device.

The gusset 38 is arranged along the hot wind inlet 24 of heat exchanger, the clearance space and heat exchanger of adjacent two gusset 38 35 hot wind inlet 24 is corresponding.The inclination of upper cover plate 25 is higher, is folded upward at far from one end of heat exchanger, and opposite another Side constitutes air inlet, and two opposite inner surfaces of air inlet are evenly arranged with multiple parallel gussets perpendicular to the inner surface 38, the gusset 38 is vertically arranged.

Multiple parallel gussets 38, the top of the gusset 38 and sloped top face is arranged in 25 sloped top face inner surface of upper cover plate Connection, lower part is hanging, and the height change of the gusset 38 is corresponding with the tilt angle of sloped top face, the height of gusset 38 from into Air port internally gradually decreases, and the plane that 38 lower part of gusset is constituted is parallel with heat exchanger upper surface.

The upper cover plate 25 and the gusset 38 are wholely set, preferably integrated injection molding.

As shown in figure 4, the even wind structure of outlet air are as follows: a lower cover plate is arranged at the hot-blast outlet that the heat exchanger is condensed 39, multiple air outlets are arranged in the side of the lower cover plate 39, and multiple air outlets are connected to a total air outlet in " crowd " shape, are connected to The air duct 27 of dryer or washing-drying integral machine, have in this way heat exchanger come out be condensed after hot wind first pass through multiple outlet air Mouthful, it reassociates to together, until the air duct of dryer or washing-drying integral machine.Upper cover plate 25, lower cover plate 39 and heat exchanger clamping connect It connects, is preferably connect with two flat deckle boards, and to be tightly connected.

The foregoing is merely the preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art and Speech, without departing from the principles of the present invention, can also make various deformation and improvement, this also should be considered as protection of the invention Range.

Claims (10)

1. a kind of filter structure of heat exchanger, the heat exchanger includes two groups of cross one another wind paths, one group of wind path and heat The connection of wind wind path, another group of wind path are connect with cold wind wind path, it is characterised in that: filtering is arranged at the heat exchanger hot wind inlet Structure, the setting that the filter structure can push and pull is between hot wind wind path and heat exchanger hot wind inlet；

One upper cover plate is set at the heat exchanger hot wind inlet, which has a sloped top face, the upper cover plate and heat Exchanger forms a chamber, and it is air inlet which, which tilts higher one end far from heat exchanger in upper cover plate, the filtering knot Structure is arranged in the chamber, and the air inlet is located at the side of filter structure, and heat exchanger hot wind inlet is located at filter structure The other side.

2. a kind of filter structure of heat exchanger according to claim 1, it is characterised in that: the filter structure and chamber The chamber is stretched out in one end of side walls connection, the filter structure.

3. a kind of filter structure of heat exchanger according to claim 2, it is characterised in that: the two sides of the filter structure While being provided with sliding slot/sliding block, sliding block/sliding slot is provided in corresponding chamber sidewall, sliding slot/sliding block is matched with sliding block/sliding slot It closes, formation is slidably connected.

4. a kind of filter structure of heat exchanger according to claim 1, it is characterised in that: the filter structure is pushing and pulling Length on direction is greater than length of the heat exchanger on filter structure push-and-pull direction, and one end of filter structure is located at chamber When penetralia, the other end of filter structure is located at the outside of chamber.

5. a kind of filter structure of heat exchanger according to claim 4, it is characterised in that: one end of the filter structure When positioned at chamber penetralia, the opening sealing that filter structure is located at one end of exterior thereto and filter structure passes through the chamber connects It connects.

6. a kind of filter structure of heat exchanger according to claim 1, it is characterised in that: the filter structure and Re Jiao Parallel operation is arranged in drying motor spindle, is vertically arranged with dryer front panel, the filter structure can be before perpendicular to dryer The direction of plate pushes and pulls.

7. a kind of filter structure of heat exchanger according to claim 1, it is characterised in that: the filter structure is filtering Net.

8. a kind of filter structure of heat exchanger according to claim 7, it is characterised in that: set around the filter screen Framework is set, slot is provided on the upper cover plate, the framework is plugged in the slot of upper cover plate.

9. the filter structure of -8 any a kind of heat exchangers according to claim 1, it is characterised in that: the heat exchanger The fin put is taken including multiple superpositions, the opposite two sides of each fin are folded upward at, and match shape with the fin of upper part At the wind path of ventilation, adjacent fin is arranged alternately in length and breadth, constitutes mutually independent beam wind road and range wind road, range wind road and hot wind wind The top on range wind road is arranged in road connection, the filter structure.

10. a kind of filter structure of heat exchanger according to claim 9, it is characterised in that: outside the heat exchanger Frame is arranged in portion, and deckle board is arranged on six sides of up, down, left, right, before and after of the heat exchanger, and the frame is heat exchange The inclosure structure that the deckle board being arranged on device side connects and composes, wherein being arranged on two groups of deckle boards opposite with beam wind road, range wind road There is the through-hole matched with internal exchanger wind path, the opposite deckle board of another set is plate, and the filter structure setting is vertical The top of deckle board on wind path.