CN205066244U - Microchannel heat exchanger and air conditioner - Google Patents
Microchannel heat exchanger and air conditioner Download PDFInfo
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- CN205066244U CN205066244U CN201520789206.7U CN201520789206U CN205066244U CN 205066244 U CN205066244 U CN 205066244U CN 201520789206 U CN201520789206 U CN 201520789206U CN 205066244 U CN205066244 U CN 205066244U
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Abstract
The utility model relates to a microchannel heat exchanger and air conditioner, microchannel heat exchanger include heat transfer main part (6), are equipped with a plurality of air duct (7) and a plurality of cooling path (4) in heat transfer main part (6), and the clearance between a plurality of air duct (7) forms a plurality of cooling path (4), and cooling path (4) are arranged along the local of every air duct (7) or whole periphery. The utility model discloses a microchannel heat exchanger make full use of the clearance between the air duct, need not to occupy the additional space and set up cooling path, air duct also can closely arrange according to the cross sectional shape of heat transfer main part moreover to make overall structure comparatively compact, in addition, as under the circumstances of evaporimeter, trade thermogenetic comdenstion water and can assemble well and discharge along air duct together to make the drainage more smooth and easy, avoid the heat exchanger to be adhered to by the comdenstion water as far as possible and soak and obstruct the heat transfer, in order to improve heat exchange efficiency.
Description
Technical field
The utility model relates to a kind of heat exchanger components, particularly relates to a kind of micro-channel heat exchanger and air-conditioner.
Background technology
At present, floor air conditioner generally adopts conventional copper pipe fin type heat exchanger, and this heat exchanger exists heat exchange dead band, and complex structure, manufacturing procedure is many, is unfavorable for the raising of production efficiency.
In order to improve heat exchange efficiency further while simplification structure, saving volume, a kind of micro-channel heat exchanger is proposed in prior art, Working fluid flow direction schematic diagram shown in structural representation as shown in Figure 1 and Fig. 2, comprise two header 2a and be vertically set on many flat tube 1a between header 2a, the opposite flank of header 2a has the parallel slot corresponding with many flat tube 1a, it is inner that end for flat tube 1a is inserted into header 2a, and flat tube 1a outside is also provided with fin 8a to increase heat exchange area.Every root flat tube 1a inside all longitudinal arrangement arranges multiple microchannel 3a, and be inserted at flat tube 1a on the sidewall in header 2a and offer some opening 4a, the part working medium flowed along header 2a so just directly can flow into the 3a of microchannel from opening 4a along flow direction, and direction need not be changed from the end face inflow microchannel 3a of flat tube 1a, to improve heat exchange efficiency.In addition, be also provided with dividing plate 5a in header 2a inside, many flat tube 1a are divided into some groups, in the flat tube 1a of difference group, (see Fig. 2) can be flowed successively in order to make cooling working medium.
When the micro-channel heat exchanger of this kind of structure is used as evaporimeter, Working fluid flow direction schematic diagram as shown in Figure 2, in header 2a, cooling working medium is passed into by working medium entrance 6a, then cooling working medium can flow along the microchannel 3a in flat tube 1a, when flowing to this group flat tube 1a end, contrary direction can be changed into and continue flowing, finally flow out from sender property outlet 7a, just can carry out heat exchange with the air be in outside each flat tube 1a by the flowing of cooling working medium like this, the condensed water produced in process can flow down along fin 8a.
This micro-channel heat exchanger finds also there are some shortcomings when reality uses, and is that its structure is not too compact on the one hand, needs when mounted to take larger space in air-conditioner, also causes the heat exchange efficiency in unit volume lower simultaneously.On the other hand that the condensed water that it produces when being used as evaporimeter does not have suitable draining water way, on fin 8a, the condensed water of distribution can not converge to together well, in time accumulating abundant, gravitate flows down, thus cause impeded drainage, the condensed water gathered like this can hinder heat exchange, makes current micro-channel heat exchanger not ideal for effect during evaporimeter.
Utility model content
The purpose of this utility model proposes a kind of micro-channel heat exchanger and air-conditioner, and overall structure can be made compacter.
For achieving the above object, the utility model first aspect provides a kind of micro-channel heat exchanger, comprise heat exchange main body, multiple air duct for air flowing and multiple refrigerant passage for refrigerant flowing is provided with in described heat exchange main body, gap between multiple described air duct forms multiple described refrigerant passage, and described refrigerant passage is arranged along the local of each described air duct or whole periphery.
Further, also comprise the first manifold and the second manifold that are located at described heat exchange main body two ends respectively, described first manifold and described second manifold are for collecting or distribute the refrigerant of different phase.
Further, also comprise the first tube connector and the second tube connector, the bottom of described first manifold and described second manifold is run through at the two ends of described air duct respectively by the first tube connector and the second tube connector.
Further, described first manifold and the second manifold are respectively equipped with the first communicating pipe and the second communicating pipe, are respectively used to described first communicating pipe and described second communicating pipe described micro-channel heat exchanger and exchange refrigerant with extraneous.
Further, described air duct is parallel and be evenly arranged in described heat exchange main body.
Further, it is cellular layout that described air duct presses cross section in described heat exchange main body, and the cross sectional shape of described air duct is circular or polygon.
Further, between adjacent described air duct, be provided with multiple dividing plate, between the outer wall of described multiple air duct and described multiple dividing plate, surround described refrigerant passage.
Further, be provided with at the inwall of described air duct the fin extended internally along its length.
Further, described heat exchange main body is formed in one structure.
Further, described micro-channel heat exchanger can be used as evaporimeter, and described multiple air duct is in vertical or heeling condition.
For achieving the above object, the utility model second aspect provides a kind of air-conditioner, comprises the micro-channel heat exchanger described in above-described embodiment.
Further, described air-conditioner is cabinet air-conditioner, and described micro-channel heat exchanger is vertically arranged in the housing of described air-conditioner, and the condensed water produced when described micro-channel heat exchanger can be made to be used as evaporimeter flows out downwards along described air duct.
Further, also comprise the aqua storage tank being connected with drainpipe, in the housing that described aqua storage tank is arranged on described air-conditioner and the position be positioned at below described micro-channel heat exchanger.
Further, the housing of described air-conditioner comprises the procapsid and back casing that mutually fasten, described micro-channel heat exchanger is provided with the first communicating pipe and the second communicating pipe that exchange refrigerant with the external world, described back casing is provided with the first installing hole, the second installing hole and the 3rd installing hole, is respectively used to install described first communicating pipe, described second communicating pipe and described drainpipe.
Further, also comprise blower fan and return air inlet, on the housing that described return air inlet is arranged on described air-conditioner and the position be positioned at below described micro-channel heat exchanger, in the housing that described blower fan is arranged on described air-conditioner and the position be positioned at above described micro-channel heat exchanger, for guiding the air flows upwards entered from described return air inlet.
Based on technique scheme, the micro-channel heat exchanger of the utility model embodiment, by arranging multiple air duct in heat exchange main body, and the gap between multiple air duct forms multiple refrigerant passage, and refrigerant passage is arranged along the periphery of each air duct.This kind of micro-channel heat exchanger takes full advantage of the gap between air duct, and without the need to taking additional space to arrange refrigerant passage, and air duct also can according to the cross sectional shape close arrangement of heat exchange main body, thus make overall structure comparatively compact; In addition, when this micro-channel heat exchanger is used as evaporimeter, change thermogenetic condensed water to converge to well and discharge along air duct together, thus make draining more smooth and easy, avoid as far as possible heat exchanger be condensed water loading soak and hinder heat exchange, to improve heat exchange efficiency, thus this kind of micro-channel heat exchanger all can obtain good heat transfer effect when being used as evaporimeter and condenser.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the structural representation of micro-channel heat exchanger in prior art;
Fig. 2 is the Working fluid flow direction schematic diagram of micro-channel heat exchanger in prior art;
Fig. 3 is the structural representation of an embodiment of the utility model micro-channel heat exchanger;
Fig. 4 is the decomposing schematic representation of an embodiment of the utility model micro-channel heat exchanger;
Fig. 5 a, Fig. 5 b, 5c and 5d are four kinds of version schematic diagrames of the micro-channel heat exchanger A-A section shown in Fig. 3;
Fig. 6 a and Fig. 6 b is two kinds of version schematic diagrames of the micro-channel heat exchanger B-B section shown in Fig. 3;
Fig. 7 is the structural representation of an embodiment of the utility model air-conditioner;
Fig. 8 a and Fig. 8 b is respectively the structural representation of procapsid in air-conditioner shown in Fig. 7 and back casing.
Description of reference numerals
1a-flat tube; 2a-header; 3a-microchannel; 4a-opening; 5a-dividing plate; 6a-working medium entrance; 7a-sender property outlet; 8a-fin;
1-first manifold; 2-first tube connector; 3-first refrigerant channel; 4-refrigerant passage; 5-first communicating pipe; 6-heat exchange main body; 7-air duct; 8-second communicating pipe; 9-second manifold; 10-second refrigerant channel; 11-second tube connector; 12-air port end; 13-procapsid; 14-first flange; 15-second flange; 16-pillar; 17-aqua storage tank; 18-base; 19-drainpipe; 20-screen pack; 21-the 3rd flange; 22-blower fan; 23-diversion component; 24-back casing; 25-first installing hole; 26-second installing hole; 27-the 3rd installing hole.
Detailed description of the invention
Below describe the utility model in detail.In the following paragraphs, the different aspect of embodiment is defined in more detail.The each side of restriction like this can combine with any other one aspect or many aspects, not may be combined with unless explicitly stated otherwise.Especially, be considered to preferred or favourable any feature and one or morely can be considered to preferred or favourable feature with other.
Terms such as " first ", " second " that occur in the utility model is only for convenience of description, to distinguish the different building blocks with same names, does not represent successively or primary-slave relation.
In description of the present utility model; it will be appreciated that; term " on ", D score, "front", "rear", the orientation of the instruction such as " vertically " and " level " or position relationship be based on orientation shown in the drawings or position relationship; it is only the utility model for convenience of description; instead of the device of instruction or hint indication must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as the restriction to the utility model protection domain.
The problem of evaporimeter can not be used as in order to solve micro-channel heat exchanger of the prior art, the utility model proposes a kind of micro-channel heat exchanger of improvement, decomposing schematic representation shown in structural representation as shown in Figure 3 and Fig. 4, comprise heat exchange main body 6, multiple air duct 7 for air flowing and multiple refrigerant passage 4 for refrigerant flowing is provided with in heat exchange main body 6, gap between multiple air duct 7 forms multiple refrigerant passage 4, refrigerant passage 4 is arranged along the local of each air duct 7 or whole periphery, heat exchange can be carried out by the air flowed in the refrigerant of flowing in refrigerant passage 4 and air duct 7.It should be noted that, refrigerant passage 4 is here as microchannel, also unrestricted to its shape and size, as long as can meet actual demand.And air duct 7 is preferably air duct, namely for circle or the Hexagonal tube of air circulation, the gap between multiple air duct forms multiple refrigerant passage 4.
The micro-channel heat exchanger of the utility model embodiment, by arranging multiple air duct in heat exchange main body, and the gap between multiple air duct forms multiple refrigerant passage, heat exchange can be carried out by the air flowed in the refrigerant that flows in refrigerant passage and air duct.This kind of micro-channel heat exchanger at least possesses one of advantage what follows:
(1) take full advantage of the gap between air duct, without the need to taking additional space to arrange refrigerant passage, and air duct can according to the cross sectional shape close arrangement of heat exchanger, thus make overall structure comparatively compact.
(2) when this micro-channel heat exchanger is used as evaporimeter, change thermogenetic condensed water to converge to well and discharge along air duct together, thus make draining more smooth and easy, avoid as far as possible heat exchanger be condensed water loading soak and hinder heat exchange, to improve heat exchange efficiency, thus this kind of micro-channel heat exchanger can be applicable to evaporimeter and condenser simultaneously, and the micro-channel heat exchanger overcoming prior art is not suitable for the limitation of evaporimeter.
(3) gap between multiple air duct forms multiple refrigerant passage, and refrigerant passage is arranged along the periphery of each air duct, this means that refrigerant passage is enclosed in around adjacent air channel in whole or in part, this version can make the contact of refrigerant and air comparatively abundant, improves heat exchange property further.
Operationally, refrigerant can flow into from any one end of refrigerant passage 4 micro-channel heat exchanger of the present embodiment, will carry out phase transformation, finally flow out from the other end of refrigerant passage 4 after completing the heat exchange with air.To be used as evaporimeter and condenser, the heat transfer process of this micro-channel heat exchanger will be described below.
When used as an evaporator, in order to enable condensed water rely on gravity successfully to flow out in air duct 7, the set-up mode of heat exchange main body 6 can make multiple air duct 7 in vertical or heeling condition, preferably, this micro-channel heat exchanger is vertically placed, condensed water can be impelled more successfully to flow out.In a kind of way of realization, liquid refrigerants can flow into from the lower end of refrigerant passage 4, hot-air also enters from the lower end of air duct 7, after liquid refrigerants and hot-air carry out heat exchange, just become gaseous coolant to flow out from the upper end of refrigerant passage 4, also flowed out from the upper end of air duct 7 by the air after lowering the temperature simultaneously, just complete heat transfer process.
In addition, also can exchange the flow direction of refrigerant, no matter select which kind of flow direction, all need to set up enough pressure reduction at the entrance end of micro-channel heat exchanger, thus maintenance refrigerant can flow swimmingly in refrigerant passage 4.If refrigerant enters from the lower end of refrigerant passage 4, then descend end pressure to be greater than end pressure, if refrigerant enters from the upper end of refrigerant passage 4, then go up end pressure and be greater than lower end pressure.Be used in the embodiment of cabinet air-conditioner at this micro-channel heat exchanger, because in general air flows upwards, then preferably make refrigerant flow to contrary with air flow, the booster action of gravity during such refrigerant flowing, will be subject to, only need less pressure reduction can maintain refrigerant flowing.
When being used as condenser, because condenser operationally can not produce condensed water, just without the need to considering the problem that condensed water is discharged, thus this micro-channel heat exchanger can according to the installing space of reality according to arbitrarily angled setting.In a kind of way of realization, gaseous coolant can flow into from the upper end of refrigerant passage 4, cold air enters from the lower end of air duct 7, after gaseous coolant and cold air carry out heat exchange, flow out with regard to the lower end of liquefy refrigerant from refrigerant passage 4, the air that simultaneous temperature raises also flows out from air duct 7 upper end, just completes heat transfer process.
On the basis of above-mentioned micro-channel heat exchanger embodiment, as shown in Figure 3, the first manifold 1 and the second manifold 9, first manifold 1 and the second manifold 9 also can be set at the two ends of heat exchange main body 6 respectively for collecting or distribute the refrigerant of different phase.And, the first manifold 1 and the second manifold 9 can be sealedly connected with the first communicating pipe 5 and the second communicating pipe communicating pipe 8, first 5 respectively and be respectively used to micro-channel heat exchanger the second communicating pipe 8 and exchange refrigerant with extraneous.
Further, the bottom of the first manifold 1 and the second manifold 9 is run through at the two ends of air duct 7 respectively by the first tube connector 2 and the second tube connector 11, in other words, the two ends of the first tube connector 2 are connected with the sealed bottom of air duct 7 and the first manifold 1 respectively, and the two ends of the second tube connector 11 are connected with the sealed bottom of air duct 7 and the second manifold 9 respectively.Because the two ends of air duct 7 need the ft connection with micro-channel heat exchanger, just need correspondingly to arrange intercommunicating pore in the bottom of the first manifold 1 and the second manifold 9, refrigerant passage 4 is entered in order to stop air, if do not arrange tube connector, and the bottom directly end face of heat exchanger main body 6 leaned at the first manifold 1 and the second manifold 9, also the approach of refrigerant passage 4 is entered with regard to the refrigerant cut off in the first manifold 1 and the second manifold 9, thus by arranging the first tube connector 2 and the second tube connector 11, the ft connection of air in air duct 7 and micro-channel heat exchanger can be realized, the first refrigerant channel 3 can be formed again between the first tube connector 2, the second refrigerant channel 10 is formed between the second tube connector 11, to make the first manifold 1 and the second manifold 9 respectively and realize the smooth circulation of refrigerant between refrigerant passage 4.
Set forth to the operation principle of the micro-channel heat exchanger that have employed manifold below.
When used as an evaporator, liquid refrigerants can pass into the second manifold 9 from the second communicating pipe 8, now the second manifold 9 is used as separating box, liquid refrigerants is distributed to each refrigerant passage 4 by the second refrigerant channel 10, hot-air enters from the mouth of the second manifold 9 lower end simultaneously, now liquid refrigerants and hot-air all upwards flow and carry out heat exchange, after heat exchange completes, liquid refrigerants just becomes gaseous coolant, the first manifold 1 is entered into by the first refrigerant channel 3, now the first manifold 1 is used as plenum chamber, again from flowing out the first communicating pipe 5, and then through the circulation such as compressor and condenser to the second communicating pipe 8 supplying liquid refrigerants, air after simultaneous temperature reduces flows out from the mouth of the first manifold 1 upper end.
When being used as condenser, gaseous coolant can pass into the first manifold 1 from the first communicating pipe 5, now the first manifold 1 is used as a point gas tank, cold media gas is distributed to each refrigerant passage 4 by the first refrigerant channel 3, cold air enters from the mouth of the second manifold 9 lower end simultaneously, now gaseous coolant and cold air reverse flow carry out heat exchange, after heat exchange completes, gaseous coolant is with regard to liquefy refrigerant, the second manifold 9 is entered into by the second refrigerant channel 10, now the second manifold 9 is used as catch box, again from flowing out the second communicating pipe 8, and then through the circulation such as evaporator and compressor to the first communicating pipe 5 supplying gaseous coolant, air after simultaneous temperature raises flows out from the mouth of the first manifold 1 upper end.
According to the operation principle of foregoing description, in the micro-channel heat exchanger that this embodiment is corresponding, first manifold 1 is for holding gaseous coolant, and the second manifold 9 is for holding liquid refrigerants, the volume of the manifold of accommodation liquid refrigerants can be made in practice to be less than the volume of manifold holding gaseous coolant, can material to be saved man-hour adding like this.Certainly these two manifolds also can be designed as the identical form of volume, or exchange up and down and can realize the technical solution of the utility model.
In addition, the utility model is also optimized in the configuration aspects of some comparatively details, will provide some embodiments so that these technique effects being improved to micro-channel heat exchanger and bringing to be described here.
In the embodiment that Fig. 3 is corresponding, air duct 7 is parallel and be evenly arranged in heat exchange main body 6, and air duct 7 is linearly arranged.For being roughly columniform heat exchange main body 6, air duct 7 can be evenly distributed along its length in heat exchange main body 6, also in parastate between such air duct 7 and refrigerant passage 4, the advantage of this embodiment is that design and processing are got up all comparatively easy, and can ensure that the heat exchange amount in each air duct 7 is close, thus make the air themperature at the air outlet place of each air duct 7 comparatively close.If be used as condenser, the impact producing re-heat at the rear half of air duct 7 also can be prevented.
The distribution form heat exchanging efficiency of air duct 7 in heat exchange main body 6 has larger impact, and in other some embodiments, the interval of air duct 7 in heat exchange main body 6 is uneven, or is not strictly designed to parallel relation each other.In addition, air duct 7 is also not necessarily designed to linear structure, also can be designed as bending structure, as long as its section form remains unchanged, such as, the mode that centrally helically formula is arranged also is that those skilled in the art can adopt.
As a kind of preferred embodiment of the utility model, A-A sectional view as shown in Fig. 5 a to Fig. 5 d, it is cellular layout that air duct 7 presses cross section in heat exchange main body 6, the cross sectional shape of air duct 7 is circular or polygon, polygon can be polygon more than triangle or quadrangle, as long as make to form between polygon and each limit polygonal the passage that refrigerant flows, refrigerant just can be allowed to be wrapped in air duct 7, thus reduce heat exchange dead band as far as possible, make each corner of refrigerant passage 4 can carry out contact heat-exchanging well with air.Because cellular design can utilize columniform sectional area well, thus the heat exchanger of this structure is very suitable for the cabinet type heat-exchange equipment of column.And, multiple dividing plate is provided with between adjacent air duct 7, refrigerant passage 4 is surrounded between the outer wall of multiple air duct 7 and multiple dividing plate, its median septum can be regarded as the fin of medium side, the channel separation that refrigerant flows comes by its effect, form microchannel, and play the object of the structure of firm whole heat exchange main body 6.
Such as, Fig. 5 a and Fig. 5 b is the cross sectional shape of air duct 7 is circular embodiment, correspondingly, in order to match with air duct 7, B-B cross-sectional view as shown in Figure 6 a, the cross sectional shape of the first tube connector 2 and the second tube connector 11 is also circular, can be inserted in when mounted in air duct 7.In addition, Fig. 5 c and Fig. 5 d is the cross section of air duct 7 is orthohexagonal embodiment, correspondingly, in order to match with air duct 7, B-B cross-sectional view as shown in Figure 6 b, the cross sectional shape of the first tube connector 2 and the second tube connector 11 is also regular hexagon, can be inserted in when mounted in air duct 7.
For the embodiment that Fig. 5 b and Fig. 5 d shows, be provided with at the inwall of air duct 7 fin extended internally along its length, this fin and the interior dividing plate arranged of refrigerant passage 4 form complete fin.Preferably, for the embodiment that air duct 7 is circular, one week uniform six groups of fin in same air duct 7, be hexagonal embodiment for air duct 7, in same air duct 7, hexagonal summit place arranges fin, mainly play the effect of two aspects: one is increase the contact area with air side, and air generation disturbance, strengthens heat exchange; Two is that the obstruction dirty to condensed water is minimum because the wind speed of fin root is minimum, can allow change the root that thermogenetic condensed water more easily converges to each fin and flow down, and is equivalent to define a condensed water runner.
Provide above about in four kinds of embodiments of air duct 7 layout, can find out, except being positioned at the air duct 7 of outer ring, other air duct 7 is all surrounded by refrigerant passage 4, such refrigerant will be wrapped in air more, in other embodiments, also can be designed as the form that air duct 7 is surrounded by refrigerant passage 4 part, this layout thought can eliminate heat exchange dead band largely, make the utilization rate of heat exchange area higher, thus raising heat exchange efficiency, and then provide the rising space to the efficiency of heat exchanger.The raising of heat exchange efficiency means the heat exchanger that volume can be used less, thus saves installing space to the parts realizing additional function in heat transmission equipment.And the micro-channel heat exchanger of this honeycomb cross-section more easily can do corresponding change along with the change of heat transmission equipment hull shape, and its shape farthest can fill the sectional area of housing, and thus the utilization rate of shell intracorporeal space is higher.
After the structure having understood the utility model micro-channel heat exchanger and the technique effect that can reach, its processing method is also the importance ensureing actualizing technology effect.Micro-channel heat exchanger of the prior art needs to combine microchannel and flat tube, the heat exchange main body in later stage also need to carry out stacking and and carry out complicated and restive soldering work between fin, make assembly process comparatively loaded down with trivial details.And in the utility model, preferably, heat exchange main body 6 is formed in one structure, entirety can be cylindrical or square column type etc., and adding, man-hour is one-body molded by operations such as mould extruding, and that is the main body of micro-channel heat exchanger is monolithic construction.After heat exchange main body 6 is formed, other parts in micro-channel heat exchanger, such as the first manifold 1, first tube connector 2, second manifold 9 and the second tube connector 11 etc. can assemble according to corresponding matching relationship, make whole processing and assembling process comparatively simple, assembling procedure is few, manufactures efficiency high.And all-in-one-piece micro-channel heat exchanger is also convenient to install in heat transmission equipment, and bring great convenience for maintenance work.If be used in air-conditioner, micro-channel heat exchanger of the present utility model is especially applicable to the inside being installed on small volume or columnar air conditioner device.
In sum, micro-channel heat exchanger of the present utility model has the advantage that heat exchange property is good and area utilization is high, and this makes the use amount of refrigerant reduce, thus saves energy consumption; And this heat exchanger can all use aluminum alloy materials to process, and the cost of material is low, and manufacturing procedure is simple, and production efficiency is high; In addition, Integral heat-exchange device can be formed and the high feature of area utilization can make the housing of whole heat transmission equipment correspondingly reduce, thus reduce the area occupied of complete machine, also can reduce cost of transportation.
In addition, the utility model additionally provides a kind of air-conditioner, comprises the micro-channel heat exchanger described in above-described embodiment.For this typical embodiment of Fig. 3, if be used as evaporimeter, can make to change thermogenetic condensed water successfully to flow out when heat exchanger is vertically placed, thus micro-channel heat exchanger of the present utility model is especially suitable for cabinet air conditioner, and micro-channel heat exchanger is vertically arranged in the housing of air-conditioner, the condensed water produced when micro-channel heat exchanger can be made to be used as evaporimeter flows out downwards along air duct 7.
To the specific embodiment of a cabinet air conditioner be provided below, the mounting structure of micro-channel heat exchanger in air-conditioner inside and working method are described.Structural representation as shown in Figure 7, the shell structure schematic diagram shown in Fig. 8 a and Fig. 8 b, the housing of air-conditioner comprises the procapsid 13 and back casing 24 that mutually fasten, the middle and upper part of housing and middle and lower part are respectively equipped with the second flange 15 and the 3rd flange 21, after procapsid 13 and back casing 24 combine, second flange 15 and the 3rd flange 21 form a complete circumferential flange, and the position of flange needs to design according to the position of blower fan 22 and the size of heat exchanger.Micro-channel heat exchanger can be arranged between the second flange 15 and the 3rd flange 21, clamps, so just without the need to designing extra installation fitting with carrying out spacing realization.The external world is discharged in order to enable the condensed water flowed out from the air duct 7 of micro-channel heat exchanger, be positioned at below micro-channel heat exchanger and be provided with aqua storage tank 17 near the position of base 18 in housing, and be provided with drainpipe 19 with aqua storage tank 17 opposite position on housing.
And, micro-channel heat exchanger is provided with the first communicating pipe 5 and the second communicating pipe 8 exchanging refrigerant with the external world, back casing 24 is provided with the first installing hole 25, second installing hole 26 and the 3rd installing hole 27, is respectively used to communicating pipe 8 installation first communicating pipe 5, second and drainpipe 19.
Because the air port end 12 of cabinet air-conditioner is arranged on above housing, and heat exchanger vertically places, in order to meet the instructions for use of heat exchanger in the program, the utility model have employed the design of lower return air, on housing return air inlet being arranged on air-conditioner and the position be positioned at below micro-channel heat exchanger, namely from the below air intake of air-conditioner, from top air-out.And current floor air conditioner is because be subject to the restriction of heat exchanger form, generally by return air inlet design in the side of housing or below, in the utility model, comparatively prior art position is lower in the position of return air inlet, a benefit of such design is, in lower housing portion, air-purifying module can be installed, because air plankton is more easily deposited on bottom, thus more easily by air-purifying module absorbing and filtering, thus the air in room is purified.
And, the first flange 14 is also provided with above the second flange 15, diversion component 23 is provided with at the first flange 14 place, such as baffle liner or spiral case parts etc., blower fan 22 is provided with in diversion component 23, in the housing that blower fan 22 is arranged on air-conditioner and the position be positioned at above micro-channel heat exchanger, for guiding the air flows upwards entered from return air inlet.
Enter heat exchanger inside to prevent all kinds of chip and be attached to the surface of air duct 7, cause increasing windage and thermal resistance, and bulky grain thing enters and is drawn onto space, blower fan 22 place and fan blade and collides to produce and wear and tear or abnormal sound, screen pack 20 is provided with in housing on the 3rd flange 21 and aqua storage tank 17 between edge, the air that screen pack 20 is mainly used in sucking filters, the selection of its material does not have particular/special requirement, as long as can achieve the goal.In order to make shell structure more firm, and facilitate the installation of screen pack 20, the some articles of pillars 16 vertically arranged can be set in the region between the 3rd flange 21 and aqua storage tank 17.
When the cabinet air-conditioner shown in Fig. 7 is used as refrigeration mode work, indoor hot-air enters the region below evaporimeter from return air inlet, upwards flowed by each air duct 7 again, heat exchange is carried out with refrigerant in the process of flowing, then the air after being cooled is under the drainage of blower fan 22, in air port end 12 supply chamber above housing, material is thus formed complete air flow passage, and circulate successively by this path and progressively indoor are lowered the temperature.
Above a kind of micro-channel heat exchanger provided by the utility model and air-conditioner are described in detail.Apply specific embodiment herein to set forth principle of the present utility model and embodiment, the explanation of above embodiment just understands method of the present utility model and core concept thereof for helping.Should be understood that; for those skilled in the art; under the prerequisite not departing from the utility model principle, can also carry out some improvement and modification to the utility model, these improve and modify and also fall in the protection domain of the utility model claim.
Claims (15)
1. a micro-channel heat exchanger, it is characterized in that, comprise heat exchange main body (6), multiple air duct (7) for air flowing and multiple refrigerant passage (4) for refrigerant flowing is provided with in described heat exchange main body (6), gap between multiple described air duct (7) forms multiple described refrigerant passage (4), and described refrigerant passage (4) is arranged along the local of each described air duct (7) or whole periphery.
2. micro-channel heat exchanger according to claim 1, it is characterized in that, also comprise the first manifold (1) and the second manifold (9) that are located at described heat exchange main body (6) two ends respectively, described first manifold (1) and described second manifold (9) are for collecting or distribute the refrigerant of different phase.
3. micro-channel heat exchanger according to claim 2, it is characterized in that, also comprise the first tube connector (2) and the second tube connector (11), the bottom of described first manifold (1) and described second manifold (9) is run through at the two ends of described air duct (7) respectively by the first tube connector (2) and the second tube connector (11).
4. micro-channel heat exchanger according to claim 2, it is characterized in that, described first manifold (1) and the second manifold (9) are respectively equipped with the first communicating pipe (5) and the second communicating pipe (8), are respectively used to described first communicating pipe (5) and described second communicating pipe (8) described micro-channel heat exchanger and exchange refrigerant with extraneous.
5. according to the arbitrary described micro-channel heat exchanger of Claims 1 to 4, it is characterized in that, described air duct (7) is parallel and be evenly arranged in described heat exchange main body (6).
6. according to the arbitrary described micro-channel heat exchanger of Claims 1 to 4, it is characterized in that, it is cellular layout that described air duct (7) presses cross section in described heat exchange main body (6), and the cross sectional shape of described air duct (7) is circular or polygon.
7. according to the arbitrary described micro-channel heat exchanger of Claims 1 to 4, it is characterized in that, be provided with multiple dividing plate between adjacent described air duct (7), between the outer wall of described multiple air duct (7) and described multiple dividing plate, surround described refrigerant passage (4).
8., according to the arbitrary described micro-channel heat exchanger of Claims 1 to 4, it is characterized in that, be provided with at the inwall of described air duct (7) fin extended internally along its length.
9. according to the arbitrary described micro-channel heat exchanger of Claims 1 to 4, it is characterized in that, described heat exchange main body (6) is formed in one structure.
10., according to the arbitrary described micro-channel heat exchanger of Claims 1 to 4, it is characterized in that, described micro-channel heat exchanger can be used as evaporimeter, and described multiple air duct (7) is in vertical or heeling condition.
11. 1 kinds of air-conditioners, is characterized in that, comprise the arbitrary described micro-channel heat exchanger of claim 1 ~ 10.
12. air-conditioners according to claim 11, it is characterized in that, described air-conditioner is cabinet air-conditioner, described micro-channel heat exchanger is vertically arranged in the housing of described air-conditioner, and the condensed water produced when described micro-channel heat exchanger can be made to be used as evaporimeter flows out downwards along described air duct (7).
13. air-conditioners according to claim 12, it is characterized in that, also comprise the aqua storage tank (17) being connected with drainpipe (19), in the housing that described aqua storage tank (17) is arranged on described air-conditioner and the position be positioned at below described micro-channel heat exchanger.
14. air-conditioners according to claim 13, it is characterized in that, the housing of described air-conditioner comprises the procapsid (13) and back casing (24) that mutually fasten, described micro-channel heat exchanger is provided with the first communicating pipe (5) and the second communicating pipe (8) that exchange refrigerant with the external world, described back casing (24) is provided with the first installing hole (25), the second installing hole (26) and the 3rd installing hole (27), is respectively used to install described first communicating pipe (5), described second communicating pipe (8) and described drainpipe (19).
15. air-conditioners according to claim 12, it is characterized in that, also comprise blower fan (22) and return air inlet, on the housing that described return air inlet is arranged on described air-conditioner and the position be positioned at below described micro-channel heat exchanger, in the housing that described blower fan (22) is arranged on described air-conditioner and the position be positioned at above described micro-channel heat exchanger, for guiding the air flows upwards entered from described return air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520789206.7U CN205066244U (en) | 2015-10-12 | 2015-10-12 | Microchannel heat exchanger and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520789206.7U CN205066244U (en) | 2015-10-12 | 2015-10-12 | Microchannel heat exchanger and air conditioner |
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| Publication Number | Publication Date |
|---|---|
| CN205066244U true CN205066244U (en) | 2016-03-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520789206.7U Withdrawn - After Issue CN205066244U (en) | 2015-10-12 | 2015-10-12 | Microchannel heat exchanger and air conditioner |
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| Country | Link |
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| CN (1) | CN205066244U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387651A (en) * | 2015-10-12 | 2016-03-09 | 珠海格力电器股份有限公司 | Microchannel heat exchanger and air conditioner |
| CN105737458A (en) * | 2016-03-14 | 2016-07-06 | 深圳智焓热传科技有限公司 | Natural cooling heat exchanger and heat exchange units thereof |
-
2015
- 2015-10-12 CN CN201520789206.7U patent/CN205066244U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105387651A (en) * | 2015-10-12 | 2016-03-09 | 珠海格力电器股份有限公司 | Microchannel heat exchanger and air conditioner |
| CN105387651B (en) * | 2015-10-12 | 2018-03-13 | 珠海格力电器股份有限公司 | A kind of micro-channel heat exchanger and air conditioner |
| CN105737458A (en) * | 2016-03-14 | 2016-07-06 | 深圳智焓热传科技有限公司 | Natural cooling heat exchanger and heat exchange units thereof |
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Granted publication date: 20160302 Effective date of abandoning: 20180313 |