CN105316918A - Clothes drying device and drying system - Google Patents
Clothes drying device and drying system Download PDFInfo
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- CN105316918A CN105316918A CN201410343084.9A CN201410343084A CN105316918A CN 105316918 A CN105316918 A CN 105316918A CN 201410343084 A CN201410343084 A CN 201410343084A CN 105316918 A CN105316918 A CN 105316918A
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Abstract
The invention discloses a drying system and a clothes drying device. The drying system comprises a compressor, a fan, an evaporator, a condenser, an auxiliary heat exchanger and an auxiliary fan. The evaporator and the condenser are relatively and fixedly arranged inside a shell, and the evaporator is arranged in an inclined mode inside the shell; due to the arranged condenser and evaporator, the internal space of the shell at least comprises a first space, a second space and a third space, wherein the first space is formed in one side of the evaporator, the second space is formed between the evaporator and the condenser, and the third space is formed in the other side of the condenser; the auxiliary heat exchanger is arranged outside the shell, and the auxiliary fan is arranged close to the auxiliary heat exchanger; the auxiliary heat exchanger is connected with the condenser and a throttling device through a pipeline or the pipeline and a control valve, operation of the drying system includes temperature increase and heat preservation, and the auxiliary fan does not work at the temperature increase stage; a water accumulation part or a drainage hole is further formed in the bottom of the shell to facilitate discharging of condensate and formed below the evaporator or formed in the side below the evaporator; in this way, the size of the drying system is relatively small, and the drying system is easy to install inside the clothes drying device.
Description
Technical field
The present invention relates to a kind of clothes drying device, be specifically related to the drying system that a kind of clothes drying device with heat pump and this clothes drying device are relevant.
Background technology
Along with improving constantly of people's living standard, simple washing machine more and more can not meet the requirement of people, and people also possess drying function or are equipped with in addition dryer and carry out clothes drying after requiring clothes washing, for by the clothes drying such as clothes, shoes and hats.The oven dry pattern of clothes washer-dryer or dryer generally comprises: the heat pump drying system that electric-heating water condensation drying system, the air-cooled solidifying drying system of electrical heating and evaporator condensation heat in conjunction with condenser.Dry pattern relative to first two, utilize heat pump to carry out drying relatively energy-conservation, market application foreground is wide.
Heat pump laundry dryer generally comprises cylinder, heat pump and draining pump etc.Heat pump comprises the compressor, evaporimeter, the condenser that are linked together by pipeline.The element of the heat pump of described compressor, evaporimeter, condenser is generally positioned at the bottom of heat pump laundry dryer.Because the bottom of heat pump laundry dryer often has larger utilized space, the bottom therefore heat pump being installed on heat pump laundry dryer is industry conventional design.But be arranged at bottom and there is the relatively inconvenient problem of draining.
Therefore, how when space is restricted, design a kind of efficiency relatively better, condensed water discharges drying system and clothes drying device relatively easily, is art technical barrier urgently to be resolved hurrily.
Summary of the invention
The object of the present invention is to provide a kind of drying system, be easy to discharge the relatively high and small volume of condensed water, efficiency.
For achieving the above object, the present invention adopts following technical scheme:
A kind of drying system, is characterized in that: comprise compressor, blower fan, housing, throttling arrangement, evaporimeter and condenser, supplementary heat exchanger and accessory fan; Condenser, evaporimeter are fixedly arranged in described housing relatively, and described evaporimeter is inclined to set in described housing; Due to the setting of described condenser, evaporimeter, described enclosure interior space at least comprises the 3rd space of the first space of evaporimeter side, second space between evaporimeter and condenser, condenser opposite side; Described supplementary heat exchanger is arranged at outside described housing, and described accessory fan is arranged near described supplementary heat exchanger; Described supplementary heat exchanger passes through pipeline or pipeline and control valve and is connected with throttling arrangement with described condenser; Described housing is also provided with ponding portion or osculum in bottom, and in order to the discharge of condensed water, described ponding portion or osculum are arranged on below or the side-lower of described evaporimeter; The operation of described drying system comprises temperature-rise period and insulating process, and described accessory fan did not work when the temperature rise period.
Evaporimeter is micro-channel heat exchanger, and described evaporimeter comprises at least two headers, two ends and is communicated with the fin arranged between the flat tube of header, adjacent flat tube respectively; At least one header be positioned at relatively low position and this header in being horizontally disposed with, described flat tube main part is oblique setting; And described supplementary heat exchanger is micro-channel heat exchanger, comprises at least two headers, two ends and be communicated with the fin arranged between the flat tube of header, adjacent flat tube respectively.
Housing is provided with the first support portion and the first limiting section at the accommodating position of described evaporimeter, described in be arranged on described first support portion with being positioned at the header horizontal support of relatively low position; First support portion is also provided with at least one throughput, to be flowed out and arrive ponding portion or osculum to make condensed water by throughput, and the angle [alpha] that described evaporimeter and horizontal plane are formed meets: 15 °≤α≤40 °.
Described condenser is at least two-layer multilayer micro-channel heat exchanger, and described condenser is roughly in vertically arranging in described housing, and condenser comprises at least two headers, two ends and is communicated with the fin arranged between the flat tube of header, adjacent flat tube respectively; At least one header of condenser in roughly vertically arranging, the main part of flat tube roughly in be horizontally disposed with or the generally horizontal setting of at least one header of condenser, flat tube main part roughly in vertically arranging.
Second space in housing, described condenser is provided with air dam, air dam is streamlined design, from described evaporimeter toward condenser direction be the structure that reduces of gradual change and block the aptery section at described condenser two ends, the size of air dam near the width of the ventilating opening of described condenser one end and the fin district of condenser adapts.
Two headers of condenser are roughly that the main part of vertically setting, flat tube is roughly in being horizontally disposed with, the two ends of condenser are aptery section, also comprising in described housing can to the cross spacing portion of described condenser cross spacing, and cross spacing portion can block the aptery section at described condenser width two ends thus reduce the air capacity passed through aptery section; Described housing is also provided with block at second space near described condenser, and block is fixedly connected with the bottom of described housing and block two ends and described air dam are connected to form waterproof construction; Described second space at block near a side of evaporimeter higher than the position arranging described ponding portion or osculum in described housing, and be also provided with return flow line between described block and ponding portion.
Housing comprises base and case lid, and the holding part for placing condenser on described base also comprises support portion, and for supporting the side plate of described condenser, described block is arranged on described base, and the height of described block is higher than the height of described support portion; Described case lid also comprises the 3rd diversion division, and the 3rd diversion division is arranged between described condenser and described evaporimeter, in the height direction, is the streamline structure that gradual change expands from evaporimeter toward condenser direction.
Housing is substantially L-shaped, and described condenser, evaporimeter are arranged at the main part of described housing transverse direction; Being obliquely installed of described evaporimeter specifically makes relatively low one end away from described condenser, and the relatively high other end from described condenser relatively close to, described first is spatially located at the side of described evaporimeter away from condenser, the channel connection of described first space and housing air intake or the channel connection by described blower fan and housing air intake; Described ponding portion or osculum are arranged on the bottom of the second space between described condenser, evaporimeter.
Described housing is near described evaporimeter and the position of departing from evaporimeter is provided with stop part, stop part is arranged on the relatively low position near described evaporimeter, stop part is roughly in platy structure, and the both ends of the bottom of stop part and stop part bottom are fixedly connected with housing thus form waterproof construction.
A kind of clothes drying device, it comprises clothes drying device casing, drying system and cylinder, drying system and cylinder are arranged in described casing, and described drying system is described above, described condenser, evaporimeter be arranged at described housing main part and above the side being arranged on described cylinder; In described condenser, evaporimeter, wherein one is relatively near the leading section of clothes drying device casing, and one is then arranged near the rear wall parts of clothes drying device casing relatively in addition; The two ends of housing are connected by pipeline with cylinder, and described blower fan is arranged between the wherein one end at housing two ends and described cylinder or described blower fan is arranged in the circulation air path formed between housing and described cylinder; Described supplementary heat exchanger and described accessory fan are arranged at the other side that described cylinder arranges described housing side.
The present invention is by adopting the form be obliquely installed to be arranged in housing in the evaporimeter of heat pump, and condenser and evaporimeter are arranged on top or the side superjacent air space of laundry drum, make drying system can be arranged on the vacant position of clothes drying device, thus when ensureing identical efficiency, make clothes drying device relatively little, or compare with common electrical heating clothes drying device, Energy Efficiency Ratio when volume substantially keeps the same but improves bake drying; And drying system and cylinder close together, the airduct relatively grown can not be needed like this to introduce, draw cylinder.
Accompanying drawing explanation
Be the one exemplary embodiment of heat pump clothes drying device below, accompanying drawing is just illustrated, and can not regard as the restriction to inventive embodiments, and the fin as heat exchanger has just carried out local signal and all do not drawn.
Fig. 1 shows the sectional perspective schematic diagram of heat pump clothes drying device internal placement mode after removing part casing.
Fig. 2 is the schematic diagram of some parts in heat pump clothes drying device specific embodiment, and the coolant connecting tube road wherein between throttling arrangement and parts does not draw.
Fig. 3 is the decomposing schematic representation of some parts of heat pump clothes drying device.
Fig. 4 is the cross-sectional schematic of local in Fig. 2 heat pump clothes drying device, and which basically illustrate the setting in heat pump two main heat exchangers and air channel, dotted line is the schematic diagram that air flows through two heat exchangers.
Fig. 5 is the base member schematic diagram of heat pump in another specific embodiment of heat pump clothes drying device.
Fig. 6 is that Fig. 5 heat pump clothes drying device analyses and observe the partial schematic diagram of rear another mistake hour hands half-twist along A-A.
Fig. 7 is the sectional perspective schematic diagram that Fig. 5 heat pump clothes drying device carries out along drainage mechanism analysing and observe.
Fig. 8 is the sectional perspective schematic diagram that Fig. 5 heat pump clothes drying device is analysed and observe along drainage mechanism other direction.
Fig. 9 is the schematic perspective view of heat pump clothes drying device specific embodiment drainage mechanism lid.
Figure 10 shows the partial schematic diagram of another embodiment of heat pump clothes drying device internal placement mode after removing part casing.
The schematic perspective view that Figure 11 is the condenser of the another specific embodiment heat pump of heat pump clothes drying device, evaporimeter is arranged at base member, the coolant connecting tube road wherein between throttling arrangement and parts does not draw.
Figure 12 is the schematic diagram that the clothes drying device of heat pump shown in Figure 11 overlooks direction, and wherein drainage mechanism lid does not draw.
Figure 13 is the clothes drying device of heat pump shown in Figure 11 three-dimensional layout schematic diagram after outside partly cut-away, mainly illustrates the layout of condenser and evaporimeter.
Figure 14 is the perspective exploded view of Figure 13.
Detailed description of the invention
Clothes washer-dryer referring to drum-type is that example is specifically described.Shown in please refer to the drawing 1 and Fig. 4, this specific embodiment of the present invention discloses a kind of clothes washer-dryer, it cylinder 11 comprising clothes washer-dryer casing 10, drying system 2 and be installed in described clothes washer-dryer casing 10, also comprises in addition for the draining pump 12 of draining, the main sewer 13 that is connected with draining pump 12.Clothes washer-dryer casing 10 comprise rear wall parts 101, both sides sidewall portion 102, be provided with the leading section of enabling; Drying system 2 comprises blower fan 34, housing 200, the heat pump that connected by pipeline (not shown).Blower fan 34 comprises end cover of fan 341, draught fan impeller 340, base plate 342; Housing 200 is substantially L-shaped, and it comprises substantial transverse main part 39 and extension, and main part 39 is between leading section and rear wall parts and above the side being positioned at the side of cylinder.In the present embodiment, extension is as air inducing pipeline 36, evaporimeter and condenser two main heat exchangers are provided with in main part 39, main part arrange this position of condenser outside height point A with arrange this position of evaporimeter outside height point B between substantially identical, here substantially identical refers to that difference in height difference is within 8mm, the height of these two points is roughly the same is conducive to the whole height reducing housing, and completes the layout of drying unit in relatively little space in casing; The two ends of housing are the connectivity port in air channel, and wherein one end can be communicated with cylinder 11 by blower fan 34, air supply duct 35, and the other end is also communicated with as being connected to cylinder 11 by its air inducing pipeline 36 or as figure by air inducing pipeline 36 and door seal 31 with cylinder 11; Also have blower fan 34 also can be arranged on air inducing pipeline 36 side; Such drying unit can realize from cylinder 11 air intake and by heat pump dry heating after send the hot-air of drying back to cylinder 11.In addition, in the duct can also filter be set, in filtered air with batting, to ensure to dry the clean of air.
In the present embodiment, housing 200 connects cylinder 11 near one end of front end face by door seal 31 relatively, can also arrange air filter (not shown in FIG.) in the pipeline between the passage in housing or housing and door seal 31 or cylinder 11; The other end relatively near rear wall parts 101 is connected with cylinder 11 by air supply duct 35.The heat pump of drying system 2 comprises compressor 20, condenser 24, evaporimeter 25, throttling arrangement (not shown), supplementary heat exchanger 28, the pipeline connected and by-pass valve control (not shown), and the refrigerant filled, the wherein condenser 24 of heat pump, evaporimeter 25 two parts are arranged on the main part of housing, and condenser 24, evaporimeter 25 two parts are arranged on above the side of cylinder, namely be not be arranged on cylinder 11 centre directly over, but be partial to a sidewall portion 102 a little, cylinder 11 and top wall portion (not shown) can be made full use of like this, the space formed between sidewall portion 102.Here heat pump refer to can utilize compressor realize at low ambient temperatures draw heat and to hot environment release heat.Throttling arrangement can be specifically mechanical throttle device, electric expansion valve or heating power expansion valve or throttle solenoid valve etc.Supplementary heat exchanger 28 is arranged on the outside of housing, and clothes washer-dryer also comprises accessory fan 29, and accessory fan 29 has carried out heat exchange for making described supplementary heat exchanger 28 with outside, and accessory fan 29 is also arranged on the outside of housing.Accessory fan 29 and supplementary heat exchanger 28 are arranged at the other side that cylinder arranges housing side, and namely from leading section or rear wall parts direction, supplementary heat exchanger 28 both sides that are positioned at cylinder relative to housing, can make full use of space like this.
The present embodiment middle shell 200 comprises base member, case lid 22, base member comprises base 21, drainage mechanism lid 332, case lid 22 can be the moulding of integrative-structure, also can be that Split type structure is combined to form as Fig. 1 comprises case lid main body 222 and spray system upper cover 221 in addition, during as adopted Split type structure, spray system upper cover 221 is arranged on above evaporimeter, may be used for carrying out shower from this, to ensure the clean of evaporimeter.Base 21, case lid 22 are specifically as follows working of plastics, are formed by injection moulding as adopted thermoplastic.Housing comprises air inducing pipeline 36, roughly in the main part of thin-and-long; Condenser 24, evaporimeter 25 are fixedly arranged in the main part in housing relatively, at least can be divided into the 3rd space 2243 after the second space 2242 before the first space 2241 before evaporimeter, evaporimeter post-condenser, condenser by condenser 24, evaporimeter 25 enclosure interior space on air channel; Here " condenser 24, evaporimeter 25 are relatively fixedly arranged at housing in " refers to condenser 24, evaporimeter 25 has the spacing setting preventing it to be moved beyond certain distance, instead of definitely can not move in housing.And blower fan is arranged on relatively near the side in the 3rd space 2243, namely more relatively with evaporimeter 25 to arrange near condenser 24.In the present embodiment, base 21 and case lid 22 are in setting up and down, fixed by the mode such as screw or buckle between the two, and by arranging groove at relative engagement position and arranging sealing strip in a groove and realize opposing seal, thus prevent from leaking out, carry out Plastic Welding after also can being coordinated by both in addition and realize preventing from leaking out.Also having two parts of housing to be not limited to setting up and down, also can arrange left and right in addition, sealing after both combinations at matching part by arranging sealing strip, these those skilled in the art should imagine and obtain; The above-mentioned like this structure on base and the structure in case lid are just all arranged on the two housing sections assembly about this as support portion, guide part, diversion division, limiting section etc.
Evaporimeter 25 and condenser 24 are micro-channel heat exchanger, and the relatively little heat exchange efficiency of volume of such heat exchanger then can reach demand, and thus can arrange above the side of cylinder; Supplementary heat exchanger 28 is also micro-channel heat exchanger, the fin for heat exchange arranged between the flat tube that supplementary heat exchanger 28 comprises two headers, two ends are communicated with header respectively, adjacent flat tube; Supplementary heat exchanger 28 is connected to condenser by pipeline or pipeline and valve, and one end is connected to throttling arrangement in addition; Supplementary heat exchanger 28 is installed on the opposite side that cylinder is oppositely arranged heat pump housing side, redundant space can be utilized like this, accessory fan 29 is arranged near supplementary heat exchanger 28 relatively, specifically as Fig. 1 can be arranged at rear wall parts 101, and with casing outside carry out heat exchange, also can be arranged at the sidewall portion 102 of the opposite side away from heat pump housing in addition.Evaporimeter 25 comprises at least two headers 252, two ends and is communicated with the fin 253 for heat exchange arranged between the flat tube 254 of header 252, adjacent flat tube 254 respectively; In the present embodiment, evaporimeter 25 is Multi-layer exchanging heat device, as illustrated two-layer in being specially, and also can be the multilayer of more than 3 layers in addition as required; Illustrate for illustrated two-layer heat exchanger below, header 252 is positioned at relatively low position and arranges, and flat tube commutation portion 251 is positioned at relatively high position setting, namely evaporimeter 25 is in oblique setting, namely the header 252 of evaporimeter is in being horizontally disposed with, and flat tube has part at least in oblique setting, header 252, in being horizontally disposed with, refers to that angle that header 252 and horizontal plane formed is within ± 3 ° here; Can increase heat exchange area like this and adapt to again the requirement in this space, position, the angle [alpha] that concrete evaporimeter and horizontal plane are formed meets: 15 °≤α≤45 °; More suitable α meets 15 °≤α≤40 °; If α angle too small, evaporimeter can be made to reduce in the heat transfer space efficiency near side, flat tube commutation portion; α angle is excessive, if evaporator capacity will be made excessive, overall space can be made not enough; And if highly constant, evaporator capacity can be too little.Condenser 24 is similarly Multi-layer exchanging heat device, as being specially illustrated four layers, also can be the multilayer of more than 2 layers in addition as required; Condenser 24 comprises at least two headers 243, two ends and is communicated with the fin 242 for heat exchange arranged between the flat tube 241 of header 243, adjacent flat tube 241 respectively.Condenser 24 in roughly vertical setting and the angle that formed of condenser bodies and horizontal plane within 90 ± 5 °, particularly, when condenser is micro-channel evaporator, the main part of the flat tube of condenser 24 is roughly in being horizontally disposed with, and the angle that condenser 24 is formed in the header 243 and horizontal plane that roughly vertically arrange finger condenser 24 is within 90 ± 5 °.The two ends of condenser 24 form two aptery sections respectively: i.e. the second aptery section 246 of first of header 243 one end the aptery section 245, one end, flat tube commutation portion 244.In housing, be provided with condenser holding part, on base 21, be provided with condenser holding part 213 respectively specifically, same case lid 22 is also provided with the condenser holding part with base similar structures; In addition, the least possible for ensureing that air passes through from the aptery section at two ends, in the both sides in housing insied width direction, air-flow direction is provided with air dam, the air dam 2131 arranged on base 21 as shown in the figure and in case lid the air dam of similar structures, air dam is streamlined design, be the structure that gradual change is reduced from evaporimeter toward condenser direction, adapt near the width of ventilating opening of condenser one end and the size in the fin district of condenser, the air of arrival condenser can be made like this to try one's best and evenly carry out heat exchange by fin district; Here the fin district of condenser refers to the fin district arranged between adjacent flat tube and the fin do not comprised between side plate and flat tube, air dam adapts (or smaller) with width W 2 size in the fin district of condenser near the width W 1 of the ventilating opening of condenser one end, refers to both differences (W1-W2) and is no more than ± 2mm; Also comprise further in addition and can prevent air from flowing through aptery section and the cross spacing portion 2136 to condenser cross spacing, also can relative set in same case lid, like this even without air dam, the air passed through from aptery section is also relatively little; Add the base of upper shell and the end walls of case lid by the setting of spacing windshied part like this, condenser 24 can obtain spacing very well.In addition, although condenser and evaporimeter are single process sandwich construction in the present embodiment, in addition, also can be that multipaths structure is as double-flow, three flow processs or four flow processs etc.
In the present embodiment, the header 252 of evaporimeter 25 is arranged at relatively low position, is specifically positioned on the first support portion 211 of base 21, and the shape of the first support portion 211 and header matching form close if cross section is arc etc.; Base 21 is also provided with the first limiting section 215, to prevent evaporimeter 25 down landing.Position relatively low on base 21 is also provided with ponding portion 33, and ponding portion 33 is arranged at the below of evaporimeter 25, makes condensed water naturally flow to ponding portion 33 by Action of Gravity Field; Ponding portion 33 can arrange drainpipe Natural excrement.In addition, base 21 can also be provided with drainage mechanism at position, ponding portion 33, drainage mechanism comprises drainage duct 331 and drainage mechanism lid 332, the condensed water of evaporimeter can be discharged in outside one end that drainage duct 331 stretches out by drainpipe 32, drainpipe 32 can be connected to the urceolus of cylinder 11 or inlet tube one end of draining pump 12 and be discharged by draining pump 12, also main sewer 13 can be directly connected in addition, namely directly do not discharged by draining pump 12, can prevent the cotton-wool equivalance of coming from clothing band from blocking draining pump at draining pump like this.When the ponding in ponding portion 33 reach a certain height, ponding is impelled to flow out from drainage duct 331, and make to be formed without air zone between drainage duct 331 and drainage mechanism lid 332, and make mineralization pressure between ponding portion 33 and drainpipe 32 poor, thus the things such as cotton-wool can be made to discharge smoothly under pressure differential effect; Because condensed water progressively produces in clothes drying process, therefore the flow of water can not be large, if do not have pressure differential, partial impurities and batting then possibly cannot flow out housing with water, and impurity and batting can be accumulated in enclosure interior, get off for a long time and may produce peculiar smell; And adopt this drainage mechanism, do not need draining pump to drive on the one hand, the partial impurities in ponding portion and batting can also be discharged under the effect of pressure differential.Further, before discharge structure does not trigger, condensed water can flow between drainage duct and drainage mechanism lid, result in formation of sealing structure for water, thus avoids enclosure interior and outside to carry out air current flow and heat exchange.Certain ponding portion also can be arranged on other lower positions of the second space between evaporimeter and condenser; Ponding portion can not also be set, but the lower position of second space in housing between evaporimeter and condenser is directly arranged osculum and is discharged by osculum.In addition, evaporimeter can also change placement direction, and as being arranged at by the header of evaporimeter near condenser position relatively low here, and oblique setting is also passable towards upper right side, and like this, ponding portion can be arranged on position relatively low below evaporimeter.
In addition, at least one throughput 217 is also provided with in the first support portion 211 of base 21, can be flowed out by throughput 217 when evaporimeter 25 produces condensed water and has part to concentrate at support portion 211 and can flow to along base wall portion the ponding portion 33 being positioned at below like this, thus avoid this partial condensation water to flow to cylinder.
The present embodiment middle shell is also provided with compressor holding part 219, and comprise at least one intercommunicating pore 2190 and be communicated with compressor holding part 219 with air by the 3rd space 2243 after condenser, the heat that can be conducive to compressor like this passes to dry air, thus improves Energy Efficiency Ratio.In addition, the casing that compressor can also be fixed on clothes washer-dryer arranges the below of housing side or the below of opposite side as being fixed on cylinder, instead of is fixed on housing, and be connected with the parts such as condenser, evaporimeter by pipeline.
The wall portion at case lid 22 position above evaporimeter 25 can be the planar structure of smooth shape, and namely inner wall part can be plane.In addition also can as in Figure 2-4, case lid 22 comprise arrange along air stream flow direction the first diversion division 2211, second diversion division 2212, stop limiting section 2213, the 3rd diversion division 2214, docking portion 2215.The existence of docking portion 2215 defines and stops limiting section 2213, thus makes evaporimeter 25 laterally carry out spacing and stop and ventilation by the flat tube commutation portion 251 of evaporimeter make air stream pass through from the fin district of evaporimeter 25 and improve heat exchange efficiency.First diversion division 2211 part is arranged on above evaporimeter 25, and all the other are arranged on the position of being partial to air inducing pipeline side above evaporimeter 25, and the second diversion division 2212 is arranged on evaporimeter 25 top position.Evaporimeter 25 can be divided into the first heat transfer zone 255 near header 252, the second heat transfer zone 256 near flat tube commutation portion 251, case lid 22 position above evaporimeter 25 comprises the first diversion division 2211, second diversion division 2212 and indent transition part 2216 between the two, indent transition part 2216 makes the first diversion division 2211, rounding off can be realized glossily between second diversion division 2212, thus air to come in from air inlet 2240 and by air inducing pipeline 36 after, after arrival first diversion division 2211, realization turns to, and make air flow to rare part to turn to lower the first heat transfer zone 255 through evaporator 25, all the other are downward the second heat transfer zone 256 through evaporator along case lid to the second diversion division 2212 direction and progressively, make the air-flow in the first space 2241 in housing before evaporimeter arrive the second space 2242 before evaporimeter post-condenser by evaporimeter 25 relatively uniformly, thus raising heat exchange efficiency.Owing to stopping the existence of limiting section 2213 thus forming the docking portion 2215 be inwardly recessed in the height direction; 3rd diversion division 2214 is arranged on case lid 22 between evaporimeter 25 holding part and condenser holding part 213, in the height direction, direction between from reducing diameter part 2215 toward condenser 24 holding part, the streamline structure expanded in gradual change, thus form the 3rd diversion division 2214, the air stream uniform distribution by evaporimeter 25 can be made like this.Housing is provided with air dam 2131 equally at width, and the direction between from evaporimeter 25 toward condenser 24 holding part is the streamline structure that a gradual change is reduced, and contributes to the roughly uniform distribution of air stream equally.Here the structure that docking portion, the first diversion division, the second diversion division, the 3rd diversion division, indent transition part, air dam etc. relate to fluid flowing refers to the structure of internal face, and outside wall surface can be identical structure, and the wall thickness of such housing is relatively uniform; Also can be different structures, be roughly planar structure as whole, so just wall thickness change be relatively large.Housing, near one end of condenser 24, allows that the size in the height of the ventilating opening of air circulation and the fin district of width and condenser adapts, and the air of arrival condenser 24 can be made like this to try one's best and evenly carry out heat exchange by fin district; Like this, flow through blower fan by the air in blower fan 34 the 3rd space 2243 and be blown in cylinder 1 by air supply duct 35, because the humid air in the effect cylinder 1 of pressure differential enters in housing by air inducing pipeline 36, specifically arrive the first space 2241 before evaporimeter through air inlet 2240, then after evaporimeter 25 moisture absorption cooling, second space 2242 is arrived, and then arrive the 3rd space 2243 after condenser 24 makes air stream heat up, and then enter cylinder 1 with drying clothes through blower fan 340.
Particularly, air supply duct 35 can be and being wholely set of blower fan, also can be the set-up mode be connected and fixed with blower fan; Air inlet 2240 and described air outlet also can be arranged by relative reversing of position.In addition, above-mentioned flow-guiding structure is arranged in case lid, and when housing be combined by left and right, above-mentioned diversion division be just arranged on two pieces combination parts on, still can form flow-guiding structure similar to the above after combination.
The clothes drying process of clothes washer-dryer comprises temperature-rise period and insulating process, and at temperature-rise period, supplementary heat exchanger 28 does not work, and accessory fan 29 does not also work, and heat is all sent in cylinder for drying clothes by blower fan substantially; Concrete refrigerant can flow through supplementary heat exchanger 28, but does not work due to accessory fan 29, so supplementary heat exchanger 28 and its outside not heat exchange substantially; Also by-pass valve control can be set before supplementary heat exchanger 28 in addition, by valve closing, and make that there is between condenser with throttling arrangement the stream be communicated with, make refrigerant pass through to be communicated with fluid communication to throttling arrangement.And at insulating process, accessory fan 29 at this moment can be made to work, make supplementary heat exchanger 28 and outside carry out heat exchange; If be provided with by-pass valve control in the pipeline at supplementary heat exchanger 28 place, by-pass valve control is then made to open, the connection stream be directly communicated with then turns off, the refrigerant after condenser is made to carry out heat exchange through supplementary heat exchanger by accessory fan again, thus make the temperature in cylinder be unlikely to too high, accessory fan 29 and supplementary heat exchanger 28 is made to carry out auxiliary heat dissipation, unnecessary heat is made to be delivered in external environment, as made supplementary heat exchanger 28 with surrounding enviroment heat exchange and carrying out heat exchange with the external environment condition of casing further by accessory fan.
Lower mask body introduces the base member of another one embodiment, and shown in please refer to the drawing 5-Fig. 9, the main distinction of the present embodiment and above embodiment is: be also provided with support portion 2135, block 2134 at the condenser holding part of base.Base member comprises base 21, drainage mechanism lid 332, and base 21 comprises support portion 211, first limiting section 215 for supporting evaporimeter, the ponding portion 33 that base 21 also comprises throughput 217, arranges at the lower position of base, also comprise the holding part 2132 for two ends arranging condenser in addition, 2133, for making the cross spacing portion 2136 of condenser located lateral, support portion 2135, in addition base also comprises air dam 2131, the block 2134 be connected with air dam 2131, the height of block 2134 is a little more than support portion 2135, the height of the aspect ratio support portion 2135 of block 2134 roughly exceeds the thickness of condenser side plate, like this when condenser is arranged on support portion 2135, block 2134 roughly with the upper plane of the side plate of condenser and the planes align of side plate and fin contacts, air stream can be made so substantially not by side plate but by fin district when empty air flow direction condenser, in addition, if the diapire of base also flows to condenser with part moisture content during empty air flow direction condenser, due to block 2134, moisture can not pass through block 2134, but be trapped in the side of block 2134 near evaporimeter, on the right side of block 2134, position is higher than ponding portion 33, and is also provided with return flow line 216 between block and ponding portion 33, and this part condensed water can flow back to ponding portion 33 by return flow line 216 and discharge like this.
In the present embodiment, drainage duct 331 is the structure with base one, specifically processes together when injection moulding.Drainage duct 331 comprises the osculum 3315 at center, the connecting portion 3316 for being connected with drainpipe, also be provided with for the radial limiting section 3313 to the longitudinal spacing portion 3311 of drainage mechanism lid 332 longitudinal spacing, the fin shape of located lateral in addition, radial limiting section 3313, longitudinal spacing portion 3311 are specifically respectively three, also can be two or four and more in addition, as long as realize radial and axial spacing with drainage mechanism lid 332 here; In addition, radial limiting section, longitudinal spacing portion can also be arranged on drainage mechanism lid, and do not arrange at drainage duct, as arranged protuberance as radial limiting section at the inwall of drainage mechanism lid or outside wall portions, the sidewall portion in the protuberance of the protuberance of the inwall of drainage mechanism lid and drainage duct or outside wall portions and ponding portion is utilized to realize radial spacing object.The same like this object that can realize coordinating between the two.Owing to being provided with radial limiting section 3313, just there is between the outside wall surface 3312 of drainage duct 331 except radial limiting section 3313 is set and the internal face 3322 of drainage mechanism lid 332 roughly uniform space; Longitudinal spacing portion is arranged on drainage duct outside wall surface near the protuberance at position, bottom surface, ponding portion or as shown be the protuberance be connected with bottom surface, ponding portion; Longitudinal spacing portion also can be arranged on bottom ponding portion in addition, is protuberance upwards.Owing to being provided with longitudinal spacing portion 3311, between position except longitudinal spacing portion 3311 is set, the bottom 333 in ponding portion and the bottom surface 3324 of drainage mechanism lid 332, just there is roughly uniform space; Like this, ponding portion 33 is just communicated with osculum 3315 by the space between the upper end 3314 of the space between the outside wall surface 3312 of the space between the bottom 333 in ponding portion and the bottom surface 3324 of drainage mechanism lid 332, drainage duct 331 and the internal face 3322 of drainage mechanism lid 332 and drainage duct 331 and the inwall end face 3321 of drainage mechanism lid 332.In addition, drainage mechanism lid 332 is also provided with three ribs 3325 at outer wall, is also provided with concave part 3323 in addition at internal face.
Like this, when clothes washer-dryer or dryer operation carry out clothes drying, refrigerant circulation and the air circulation of heat pump all start, wherein in coolant circulating system, compressor 20 starts, the refrigerant of high pressure-temperature out, first carries out heat exchange through condenser 24 and condenser ambient air stream from compressor 20, then step-down cooling after the throttling of throttling arrangement (not shown) after cooling, again through evaporator 25, refrigerant is evaporation endothermic in evaporimeter 25, and the evaporimeter 25 namely in heat pump and condenser 24 are in cold scattering, heated condition respectively.Simultaneously, the blower fan 34 of air circulation system starts, under the dynamic action of blower fan 34, the higher air of humidity from cylinder 11 out, enter through air inducing pipeline 36 the first space 2241 arrived in housing from air inlet 2240, then from upper obliquely through evaporator 25 to second space 2242, carry out heat exchange with the refrigerant in evaporimeter, and because the refrigerant temperature in evaporimeter is low, the water vapour of humid air can condense into condensed water when contact evaporator surperficial and reach the effect of dehumidifying; Because air is from upper obliquely through evaporator 25, the condensed water of evaporimeter 25 surface condensation can be dropped in below evaporimeter under the effect of air stream and gravity, and converges to the ponding portion 33 of housing lower gradually, and condensed water accumulates in ponding portion; Because drainage mechanism lid 332 internal diameter is greater than the external diameter of drainage duct 331, drainage mechanism lid 332 top is higher than drainage duct 331 height, in drying course, condensed water also can flow into the space between drainage duct 331 and drainage mechanism lid 332, now condensed water defines water seal at drainage duct 331 and drainage mechanism lid 332, enclosure interior and hull outside is kept apart.Due to the effect of blower fan, the air pressure of enclosure interior is a little less than hull outside air pressure in the overall drying process, and this water seal can be avoided occurring that the air of hull outside flows directly in housing without evaporimeter.
The space be full of gradually between drainage duct 331 and drainage mechanism lid 332 is slowly gathered at condensed water, until water reaches the upper end 3314 of drainage duct 331 and reaches the height overcoming water surface tension, at this moment water to be discharged by drainpipe 32 by osculum 3315, the space between drainage duct 331 and drainage mechanism lid 332 is made to form relatively low pressure district, and make mineralization pressure between ponding portion 33 and drainpipe 32 poor, thus the things such as cotton-wool can be made to discharge smoothly under pressure differential effect, namely can make water base discharge in ponding portion.Like this, when using as dryer, even no longer can need draining pump, and only getting final product draining by this drainage mechanism, and the foreign material such as the cotton-wool in ponding portion can be made also to discharge together.Certain drainpipe 32 also can be received in clothes drying device cylinder, utilizes main drain pump to be discharged to machine exterior; Also the entrance point or the port of export etc. of main drain pump can be received in addition.
In embodiment presented hereinbefore, the support portion 211 supporting evaporimeter 25 header 252 is list structure, and cross section is roughly the arc coordinated with header 252.The present invention is not limited to this, for supporting the supporting construction that the support portion 211 of the header 252 of evaporimeter 25 can be several point of local or the supporting construction of block and not necessarily strip; The periphery of base 21 is also provided with the concave part 218 for holding sealing strip in addition, can realize opposing seal by sealing strip and prevent from leaking out like this when base coordinates with case lid.Support portion 2135, block 2134 are the integrative-structure of base, are formed together especially by during injection moulding, in addition, also can be by bonding or be welded and fixed the mode of setting after split is formed.
In embodiment presented hereinbefore, drainage duct 331 is the structures with base one, also can be that Split assembled forms.As drainage duct is processed separately, and should be fixedly connected with base by bonding or Plastic Welding, correspondingly, the ponding portion of base be provided with through-hole section, may be used for the installation setting of drainage duct.
Introduce another embodiment below, as shown in figures 11-14.The main distinction of this embodiment and above embodiment is: on base 21, be also provided with stop part 212, for stopping the air stream of coming from air inducing pipeline 36 from this process and the direct header 252 by evaporimeter 25 through evaporator 25, can avoid like this or at least reduce air stream carries out heat exchange situation without evaporator fin district, thus improving heat exchange efficiency.Simultaneously, the condensed water that header 252 position that can also avoid evaporating device 25 produces flows back to cylinder through air inducing pipeline 36, due to the efficiency of drying clothes and the content height correlation of moisture in the hot-air blowed in cylinder, therefore condensate return can be avoided like this, thus ensure that the air in cylinder 11 is drier, and the condensed water at this position is made to flow to ponding portion through throughput 217 and discharge.In addition in order to ensure the intensity of stop part, some ribs 2121 can also be set, and stop part 212 and ribs 2121 also can be integrally process when base is shaping, stop part 212 is arranged near the first support portion 211, stop part 212 is roughly in platy structure, and the bottom 2122 of stop part 212 is connected with the first support portion 211, the both ends 2123 of stop part 212 bottom are connected with the both sides wall portion 210 at this position of base 21 thus form waterproof construction, returns or drips air inducing pipeline 36 flow back to cylinder to prevent condensation flow.
It should be noted that: above embodiment is only for illustration of the present invention and unrestricted technical scheme described in the invention, such as to " front ", " afterwards ", " left side ", " right side ", " on ", defining of D score isotropy, although this description reference the above embodiments are to present invention has been detailed description, but, those of ordinary skill in the art is to be understood that, person of ordinary skill in the field still can combine the present invention mutually, amendment or equivalent replacement, and all do not depart from technical scheme and the improvement thereof of the spirit and scope of the present invention, all should be encompassed in right of the present invention.
Claims (10)
1. a drying system, is characterized in that: comprise compressor, blower fan, housing, throttling arrangement, evaporimeter and condenser, supplementary heat exchanger and accessory fan; Condenser, evaporimeter are fixedly arranged in described housing relatively, and described evaporimeter is inclined to set in described housing; Due to the setting of described condenser, evaporimeter, described enclosure interior space at least comprises the 3rd space of the first space of evaporimeter side, second space between evaporimeter and condenser, condenser opposite side; Described supplementary heat exchanger is arranged at outside described housing, and described accessory fan is arranged near described supplementary heat exchanger; Described supplementary heat exchanger passes through pipeline or pipeline and control valve and is connected with throttling arrangement with described condenser; Described housing is also provided with ponding portion or osculum in bottom, and in order to the discharge of condensed water, described ponding portion or osculum are arranged on below or the side-lower of described evaporimeter; The operation of described drying system comprises temperature-rise period and insulating process, and described accessory fan did not work when the temperature rise period.
2. drying system as claimed in claim 1, it is characterized in that: described evaporimeter is micro-channel heat exchanger, described evaporimeter comprises at least two headers, two ends and is communicated with the fin arranged between the flat tube of header, adjacent flat tube respectively; At least one header be positioned at relatively low position and this header in being horizontally disposed with, described flat tube main part is oblique setting; And described supplementary heat exchanger is micro-channel heat exchanger, comprises at least two headers, two ends and be communicated with the fin arranged between the flat tube of header, adjacent flat tube respectively.
3. drying system as claimed in claim 2, is characterized in that: described housing is provided with the first support portion and the first limiting section at the accommodating position of described evaporimeter, described in be arranged on described first support portion with being positioned at the header horizontal support of relatively low position; First support portion is also provided with at least one throughput, to be flowed out and arrive ponding portion or osculum to make condensed water by throughput, and the angle [alpha] that described evaporimeter and horizontal plane are formed meets: 15 °≤α≤40 °.
4. the drying system as described in as arbitrary in claim 1-3, it is characterized in that: described condenser is at least two-layer multilayer micro-channel heat exchanger, described condenser is roughly in vertically arranging in described housing, and condenser comprises at least two headers, two ends and is communicated with the fin arranged between the flat tube of header, adjacent flat tube respectively; At least one header of condenser in roughly vertically arranging, the main part of flat tube roughly in be horizontally disposed with or the generally horizontal setting of at least one header of condenser, flat tube main part roughly in vertically arranging.
5. drying system as claimed in claim 4, it is characterized in that: the second space in described housing, described condenser is provided with air dam, air dam is streamlined design, from described evaporimeter toward condenser direction be the structure that reduces of gradual change and block the aptery section at described condenser two ends, the size of air dam near the width of the ventilating opening of described condenser one end and the fin district of condenser adapts.
6. drying system as claimed in claim 5, it is characterized in that: two headers of described condenser are roughly that the main part of vertically setting, flat tube is roughly in being horizontally disposed with, the two ends of condenser are aptery section, also comprising in described housing can to the cross spacing portion of described condenser cross spacing, and cross spacing portion can block the aptery section at described condenser width two ends thus reduce the air capacity passed through aptery section; Described housing is also provided with block at second space near described condenser, and block is fixedly connected with the bottom of described housing and block two ends and described air dam are connected to form waterproof construction; Described second space at block near a side of evaporimeter higher than the position arranging described ponding portion or osculum in described housing, and be also provided with return flow line between described block and ponding portion.
7. drying system as claimed in claim 6, it is characterized in that: described housing comprises base and case lid, holding part for placing condenser on described base also comprises support portion, for supporting the side plate of described condenser, described block is arranged on described base, and the height of described block is higher than the height of described support portion; Described case lid also comprises the 3rd diversion division, and the 3rd diversion division is arranged between described condenser and described evaporimeter, in the height direction, is the streamline structure that gradual change expands from evaporimeter toward condenser direction.
8. the drying system as described in as arbitrary in claim 1-7, it is characterized in that: described housing is substantially L-shaped, described condenser, evaporimeter are arranged at the main part of described housing transverse direction; Being obliquely installed of described evaporimeter specifically makes relatively low one end away from described condenser, and the relatively high other end from described condenser relatively close to, described first is spatially located at the side of described evaporimeter away from condenser, the channel connection of described first space and housing air intake or the channel connection by described blower fan and housing air intake; Described ponding portion or osculum are arranged on the bottom of the second space between described condenser, evaporimeter.
9. drying system as claimed in claim 8, it is characterized in that: described housing is near described evaporimeter and the position of departing from evaporimeter is provided with stop part, stop part is arranged on the relatively low position near described evaporimeter, stop part is roughly in platy structure, and the both ends of the bottom of stop part and stop part bottom are fixedly connected with housing thus form waterproof construction.
10. a clothes drying device, it comprises clothes drying device casing, drying system and cylinder, drying system and cylinder are arranged in described casing, described drying system is the drying system described in claim 1 to 9 any one, described condenser, evaporimeter be arranged at described housing main part and above the side being arranged on described cylinder; In described condenser, evaporimeter, wherein one is relatively near the leading section of clothes drying device casing, and one is then arranged near the rear wall parts of clothes drying device casing relatively in addition; The two ends of housing are connected by pipeline with cylinder, and described blower fan is arranged between the wherein one end at housing two ends and described cylinder or described blower fan is arranged in the circulation air path formed between housing and described cylinder; Described supplementary heat exchanger and described accessory fan are arranged at the other side that described cylinder arranges described housing side.
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| CN201410343084.9A CN105316918B (en) | 2014-07-18 | 2014-07-18 | A kind of clothes drying device and drying system |
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| CN105316918B (en) | 2018-11-09 |
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