CN205784783U - Fin, micro-channel parallel flow heat exchanger and air conditioning unit - Google Patents
Fin, micro-channel parallel flow heat exchanger and air conditioning unit Download PDFInfo
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- CN205784783U CN205784783U CN201620488702.3U CN201620488702U CN205784783U CN 205784783 U CN205784783 U CN 205784783U CN 201620488702 U CN201620488702 U CN 201620488702U CN 205784783 U CN205784783 U CN 205784783U
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Abstract
The utility model discloses a kind of fin, micro-channel parallel flow heat exchanger and air conditioning unit, this fin is used for micro-channel parallel flow heat exchanger, and this fin is provided with the through hole run through for micro-channel flat, and the length direction centrage of this through hole and horizontal direction have angle.The fin of the open confession of this utility model, it is provided with the through hole run through for micro-channel flat, and the length direction centrage of through hole has angle with horizontal direction, after then micro-channel flat is installed on above-mentioned fin, micro-channel flat is consistent with the incline direction of through hole, when defrosting water flow to micro-channel flat, defrosting water can flow along micro-channel flat under self gravitation effect, then avoid micro-channel flat and stockpile defrosting water, relatively prior art micro-channel flat edge is horizontally disposed with to be compared, it is achieved that discharge defrosting water in time；Meanwhile, after micro-channel flat is installed on above-mentioned fin, certain air agitation raw to air miscarriage, enhance heat exchange property.
Description
Technical field
This utility model relates to technical field of heat exchangers, more particularly, it relates to a kind of fin, micro-channel parallel flow heat exchanger and air conditioning unit.
Background technology
Micro-channel parallel flow heat exchanger is widely used by advantages such as its heat exchange efficiency height, light weight, compact conformation, low prices, the vaporizer of such as air conditioning for automobiles and condenser, the condenser etc. of air-conditioning single cooler.
At present, in micro-channel parallel flow heat exchanger, micro-channel flat is horizontally disposed, i.e. the width of micro-channel flat is horizontal direction；Fin and vertical direction are that set angle is arranged, flat tube and fin use solder to fix in furnace brazing.
Above-mentioned micro-channel parallel flow heat exchanger has the advantage of various heat exchange, but during defrost, owing to micro-channel flat is horizontally disposed, the defrosting water that defrost produces can remain in micro-channel flat, can not discharge in time, causing can not realizing under the state that heats complete defrost, if continuing to run with heating mode in the case of defrost is incomplete, heat exchanger will be made in a short period of time again to tie full frost.So moving in circles, when causing micro-channel parallel flow heat exchanger to run in the winter time, heating efficiency is relatively low, even cannot run.
In sum, discharge defrosting water the most in time, be current those skilled in the art's problem demanding prompt solution.
Utility model content
The purpose of this utility model is to provide a kind of fin, it is possible to discharge defrosting water in time.Another object of the present utility model is to provide a kind of micro-channel parallel flow heat exchanger with above-mentioned fin and a kind of has the air conditioning unit of above-mentioned micro-channel parallel flow heat exchanger.
To achieve these goals, the following technical scheme of this utility model offer:
A kind of fin, for micro-channel parallel flow heat exchanger, described fin is provided with the through hole run through for micro-channel flat, and the length direction centrage of described through hole and horizontal direction have angle.
Preferably, the length direction centrage of described through hole and the angle of horizontal direction are not more than 30 °.
Preferably, described horizontal direction is the width of described fin, and is at least two row along through hole described in the width of described fin, is at least a row along through hole described in the length direction of described fin.
Preferably, through hole described at least one row has at least one first through hole and at least one second through hole, described first through hole and described second through hole are adjacent, described first through hole tilts to the bottom of described fin near one end of described second through hole from the one end away from described second through hole, described second through hole tilts to the bottom of described fin near one end of described first through hole from the one end away from described first through hole, and has gap between described first through hole and described second through hole.
Preferably, the gap between described first through hole and described second through hole is more than 1.5mm.
Preferably, in through hole described in any string, the incline direction of through hole described in any two is identical.
Preferably, the two adjacent described through hole axial symmetry of row are arranged.
Preferably, described fin is laminated structure.
Preferably, described fin is plain film, corrugated plate or sheet of windowing.
Preferably, the surface of described fin has hydrophilic layer.
Preferably, the surface of described fin has corrosion-resistant coating.
The fin that this utility model provides, it is provided with the through hole run through for micro-channel flat, and the length direction centrage of through hole has angle with horizontal direction, after then micro-channel flat is installed on above-mentioned fin, micro-channel flat is consistent with the incline direction of through hole, when defrosting water flow to micro-channel flat, defrosting water can flow along micro-channel flat under self gravitation effect, then avoid micro-channel flat and stockpile defrosting water, relatively prior art micro-channel flat edge is horizontally disposed with to be compared, it is achieved that discharge defrosting water in time.
Simultaneously, the fin that this utility model provides, owing to the length direction centrage of through hole has angle with horizontal direction, after then micro-channel flat is installed on above-mentioned fin, micro-channel flat is consistent with the incline direction of through hole, make micro-channel flat certain air agitation raw to air miscarriage, enhance heat exchange property.
Fin based on above-mentioned offer, this utility model additionally provides a kind of micro-channel parallel flow heat exchanger, this micro-channel parallel flow heat exchanger includes: micro-channel flat, two headers connected with described micro-channel flat two ends respectively, the fin that some and described micro-channel flat is connected；Wherein, described fin is the fin described in above-mentioned any one, and described fin is between two described headers, and described fin is sequentially distributed along the length direction of described micro-channel flat.
Preferably, the length direction of described fin is parallel to vertical direction.
Preferably, the spacing of two adjacent described fins is more than 1.2mm.
Preferably, the spacing of two adjacent described fins is 1.4mm or 1.6mm.
Preferably, the flat tube passway of described micro-channel flat is square or rectangle.
Preferably, the length of side of described flat tube passway is 0.3-1.0mm.
Preferably, the height of described micro-channel flat is 1-3mm.
Micro-channel parallel flow heat exchanger based on above-mentioned offer, this utility model additionally provides a kind of air conditioning unit, this air conditioning unit outdoor heat exchanger and indoor heat exchanger of including, wherein, described outdoor heat exchanger and/or described indoor heat exchanger are the micro-channel parallel flow heat exchanger described in above-mentioned any one.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical scheme in this utility model embodiment, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only embodiment of the present utility model, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to the accompanying drawing provided.
The structural representation of the fin that Fig. 1 provides for this utility model embodiment；
The structural representation of the micro-channel parallel flow heat exchanger that Fig. 2 provides for this utility model embodiment；
The installation diagram of fin and micro-channel flat in the micro-channel parallel flow heat exchanger that Fig. 3 provides for this utility model embodiment；
The front view of micro-channel flat in the micro-channel parallel flow heat exchanger that Fig. 4 provides for this utility model embodiment；
The side view of micro-channel flat in the micro-channel parallel flow heat exchanger that Fig. 5 provides for this utility model embodiment.
In figure 1 above-5:
1 be fin, 11 be through hole, 2 be micro-channel flat, 21 be flat tube passway, 3 be drainage channel, 4 for header.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of this utility model protection.
The fin that this utility model embodiment provides, for micro-channel parallel flow heat exchanger, above-mentioned fin is provided with the through hole 11 run through for micro-channel flat 2, and the length direction centrage of this through hole 11 and horizontal direction have angle.
It should be noted that the length direction centrage of through hole 11, referring to the centrage extended along the length direction of through hole 11, as shown in dotted line L in Fig. 1, this central axis is in the central axis of through hole 11.Horizontal direction, after referring to that above-mentioned fin is installed on micro-channel parallel flow heat exchanger, micro-channel parallel flow heat exchanger normally uses horizontal direction during placement, and the length direction of above-mentioned fin or width and above-mentioned horizontal direction parallel.Through hole 11 runs through for micro-channel flat 2, then show the length direction of micro-channel flat 2 and the centerline axis parallel of through hole 11, and the width of micro-channel flat 2 is parallel with the length direction of through hole 11.
It is understood that the angle of the length direction centrage of through hole 11 and horizontal direction is more than zero degree, and less than 90 degree.The length direction centrage of through hole 11 and horizontal direction have angle, then through hole 11 is obliquely installed relative to horizontal direction.Above-mentioned through hole 11 has two kinds of incline directions, can select according to actual, and this is not limited by this utility model embodiment.
The size and shape of above-mentioned through hole 11, needs to be designed according to the size and shape of micro-channel flat 2.Preferably, through hole 11 is mounting hole.
The fin that this utility model embodiment provides, it is provided with the through hole 11 run through for micro-channel flat 2, and the length direction centrage of through hole 11 has angle with horizontal direction, after then micro-channel flat 2 is installed on above-mentioned fin, micro-channel flat 2 is consistent with the incline direction of through hole 11, when defrosting water flow to micro-channel flat 2, defrosting water can flow along micro-channel flat 2 under self gravitation effect, then avoid micro-channel flat 2 and stockpile defrosting water, relatively prior art micro-channel flat 2 is compared along being horizontally disposed with, it is achieved that discharge defrosting water in time.
Simultaneously, the fin that this utility model embodiment provides, owing to the length direction centrage of through hole 11 has angle with horizontal direction, after then micro-channel flat 2 is installed on above-mentioned fin, micro-channel flat 2 is consistent with the incline direction of through hole 11, make micro-channel flat 2 certain air agitation raw to air miscarriage, enhance heat exchange property.
In above-mentioned fin, the length direction centrage of through hole 11 and the angle of horizontal direction, can be designed according to actual needs, specifically, design concrete angle according to fin width and face velocity.The angle of the two is the biggest, is more easy to the flowing of defrosting water, but heat exchange property can reduce.In order to rationally arrange, the length direction centrage of prioritizing selection through hole 11 and the angle of horizontal direction are not more than 30 °.Preferably,
Above-mentioned horizontal direction is the width of above-mentioned fin, and along width through hole 11 at least two row of above-mentioned fin, along a length direction through hole 11 at least row of fin.
In order to optimize technique scheme further, in above-mentioned fin, at least one exhausting hole 11 has at least one first through hole and at least one second through hole, first through hole and the second through hole are adjacent, first through hole tilts to the bottom of fin near one end of the second through hole from the one end away from the second through hole, second through hole tilts to the bottom of fin near one end of the first through hole from the one end away from the first through hole, and has gap between the first through hole and the second through hole.As shown in figures 1 and 3.
It should be noted that the bottom of above-mentioned fin, after referring to that above-mentioned fin is installed on micro-channel parallel flow heat exchanger, the bottom of fin when micro-channel parallel flow heat exchanger normally uses.Above-mentioned fin, first through hole and the second through hole are in falling " eight " font, then after micro-channel flat 2 is installed on the first through hole and the second through hole, two micro-channel flat 2 are also in falling " eight " font, two micro-channel flat 2 form drainage channel 3, and two micro-channel flat 2 all draw defrosting water to drainage channel 3 so that defrosting water is discharged by this drainage channel 3.So, decrease the stop to defrosting water, accelerate the flowing of defrosting water；Meanwhile, also allow for gathering defrosting water, further speeded up the flowing of defrosting water.
Gap between width and the first through hole and second through hole of above-mentioned drainage channel 3 is equal.Gap between first through hole and the second through hole is too small, then drainage channel 3 also can be too small, and water outflow drainage channel 3 may be caused the most difficult, and the air wide pre. drop of micro-channel parallel flow heat exchanger increases；Excesssive gap between first through hole and the second through hole, may result in the degradation of heat exchange performance of micro-channel parallel flow heat exchanger, and the gap size between the first through hole and the second through hole should design according to actual needs.
Preferably, the gap between above-mentioned first through hole and the second through hole is more than 1.5mm.For the higher limit of the width of drainage channel 3, can be designed according to actual needs, this is not limited by this utility model embodiment.
It is understood that in above-mentioned fin, in an exhausting hole 11, it is possible to selecting to there is adjacent two through hole 11 can be in " eight " font distribution.
In above-mentioned fin, in an exhausting hole 11, can have two the first through holes and two the second through holes, the first through hole and the second through hole one_to_one corresponding；Optional any one exhausting hole 11 there are the first through hole and the second through hole.
In order to farthest improve drainage efficiency, in any string through hole 11, the incline direction of any two through hole 11 is identical, as shown in Figure 1.So, if two row through holes 11 exist the first through hole and the second through hole, then other through holes of two row are respectively the first through hole and the second through hole, the number making drainage channel 3 through hole 11 included with string through hole 11 is identical, and drainage channel 3 is sequentially distributed along the length direction of above-mentioned fin and is sequentially communicated.
Preferably, in above-mentioned fin, two adjacent row through hole 11 axial symmetry are arranged, as shown in Figure 1.So, it is simple to micro-channel flat 2 is set, also allows for draining.
For the ease of discharging defrosting water, above-mentioned fin is laminated structure, and the most above-mentioned fin, without bending structure, reduces the fin stop to defrosting water, thus facilitates the discharge of defrosting water.Specifically, above-mentioned fin is plain film, corrugated plate or sheet of windowing.Certainly, it is possible to selecting fin is other laminated structures, it is not limited to this.
Further, the surface of above-mentioned fin has hydrophilic layer, has delayed heat pamp, promotes the timely draining of defrosting water.
It is of course also possible to fin carries out other the chemical treatment such as anticorrosion, corrosion protection according to actual application scenario, reach to use requirement.Such as, the surface of above-mentioned fin has corrosion-resistant coating.
The fin provided based on above-described embodiment, this utility model embodiment additionally provides a kind of micro-channel parallel flow heat exchanger, this micro-channel parallel flow heat exchanger includes: micro-channel flat 2, two headers 4 connected with micro-channel flat 2 two ends respectively, some fins 1 being connected with micro-channel flat 2；Wherein, fin 1 is the fin described in above-described embodiment, and this fin 1 is between two headers 4, and fin 1 is sequentially distributed along the length direction of micro-channel flat 2.
The fin provided due to above-described embodiment has above-mentioned technique effect, the micro-channel parallel flow heat exchanger that this utility model embodiment provides has above-mentioned fin, the micro-channel parallel flow heat exchanger that then this utility model embodiment provides also has correspondingly technique effect, repeats no more herein.
Preferably, the length direction of above-mentioned fin 1 is parallel to vertical direction.So, delay heat pamp, promote the timely draining of defrosting water；Meanwhile, it has been also convenient for installing and using.Further, the axial length direction being axially parallel to fin 1 also parallel with vertical direction, i.e. header 4 of header 4, so, further facilitate installation and used.
For the ease of installing micro-channel flat 2, in above-mentioned micro-channel parallel flow heat exchanger, the spacing of two adjacent fins 1 is more than 1.2mm.Further, the spacing of two adjacent fins 1 is 1.4mm or 1.6mm.Certainly, it is possible to the spacing selecting adjacent two fin 1 is other numerical value, it is not limited to this.
Above-mentioned micro-channel flat 2 has flat tube passage, and the flat tube passway 21 of this flat tube passage can be the shapes such as square, rectangle or circle, in actual application, selects according to actual needs.
If flat tube passway 21 can be square, can limit the length of side of flat tube passway 21 as 0.3-1.0mm, specifically, four limits of flat tube passway 21 are equal, and the length of side can be 0.3mm, 1.0mm or the value between 0.3mm and 1.0mm；If flat tube passway 21 can be rectangle, can limit the length of side of flat tube passway 21 as 0.3-1.0mm, specifically, two limits of flat tube passway 21 are equal, two other limit is equal, and the length of side is taken from 0.3-1.0mm.
Above-mentioned flat tube passway 21 should meet requirement of strength and the principle of maximum effective length utilization, for the size of flat tube passway 21, in actual application, selects according to actual needs, it is not limited to above-described embodiment.
Preferably, the height of above-mentioned micro-channel flat 2 is 1-3mm.Certainly, it is possible to the height selecting micro-channel flat 2 according to actual needs is other values, it is not limited to this.
In order to improve heat exchange efficiency, the flat tube vias inner walls of above-mentioned micro-channel flat 2 is provided with conduit or indentation, to strengthen heat exchange area, reduces thermal resistance, thus improves heat exchange efficiency.
In above-mentioned micro-channel parallel flow heat exchanger, the width of micro-channel flat 2 should be designed and developed according to the width of fin 1, the in the horizontal direction gap of two through holes 11, ensure fin 1 the most at least two micro-channel flat 2, thus can be at one drainage channel 3 of two micro-channel flat 2 intermediate formation, the hydrops produced during defrost just can be flowed out by the drainage channel 3 between two micro-channel flat 2.The flat tube number of active lanes of micro-channel flat 2 can be designed according to the width of micro-channel flat 2, and this is not limited by this utility model embodiment.
In above-mentioned micro-channel parallel flow heat exchanger, fin 1 and micro-channel flat 2 achieve a fixed connection by the way of soldering or tube expansion, ensure that micro-channel flat 2 and fin 1 are in close contact without forming bigger thermal contact resistance, it is ensured that the heat exchange efficiency of micro-channel parallel flow heat exchanger.
The micro-channel parallel flow heat exchanger provided based on above-described embodiment, this utility model embodiment additionally provides a kind of air conditioning unit, this is air conditioning unit includes outdoor heat exchanger and indoor heat exchanger, wherein, this outdoor heat exchanger and/or indoor heat exchanger are the micro-channel parallel flow heat exchanger described in above-described embodiment.
The micro-channel parallel flow heat exchanger provided due to above-described embodiment has above-mentioned technique effect, the air conditioning unit of this utility model embodiment offer has above-mentioned micro-channel parallel flow heat exchanger, then the air conditioning unit of this utility model embodiment offer also has corresponding technique effect, repeats no more herein.
Preferably, above-mentioned air conditioning unit for air conditioning for automobiles.Certainly, above-mentioned air conditioning unit can be also other air-conditionings, such as air-conditioning single cooler.Air conditioning unit particular type is not limited by this utility model embodiment.
Described above to the disclosed embodiments, makes those skilled in the art be capable of or uses this utility model.Multiple amendment to these embodiments will be apparent from for a person skilled in the art, and generic principles defined herein can realize in the case of without departing from spirit or scope of the present utility model in other embodiments.Therefore, this utility model is not intended to be limited to the embodiments shown herein, and is to fit to the widest scope consistent with principles disclosed herein and features of novelty.
Claims (19)
1. a fin, for micro-channel parallel flow heat exchanger, it is characterised in that described fin is provided with confession
The through hole (11) that micro-channel flat (2) runs through, the length direction centrage of described through hole (11) and water
Square to having angle.
Fin the most according to claim 1, it is characterised in that the length side of described through hole (11)
Angle to centrage Yu horizontal direction is not more than 30 °.
Fin the most according to claim 1, it is characterised in that described horizontal direction is described fin
Width, and along through hole (11) described in the width of described fin at least two row, along described
Through hole (11) described in the length direction of fin is at least a row.
Fin the most according to claim 3, it is characterised in that through hole (11) described at least one row
In there is at least one first through hole and at least one second through hole, described first through hole and described second leads to
Hole is adjacent, and described first through hole is from one of the most close described second through hole in one end away from described second through hole
Holding and tilt to the bottom of described fin, described second through hole is the most close from the one end away from described first through hole
One end of described first through hole tilts to the bottom of described fin, and described first through hole and described second leads to
There is between hole gap.
Fin the most according to claim 4, it is characterised in that described first through hole and described second
Gap between through hole is more than 1.5mm.
Fin the most according to claim 4, it is characterised in that arbitrarily through hole (11) described in string
In, the incline direction of through hole described in any two (11) is identical.
Fin the most according to claim 4, it is characterised in that the two adjacent described through hole of row (11)
Axial symmetry is arranged.
8. according to the fin described in any one in claim 1-7, it is characterised in that described fin is
Laminated structure.
Fin the most according to claim 8, it is characterised in that described fin is plain film, corrugated plate
Or sheet of windowing.
Fin the most according to claim 8, it is characterised in that the surface of described fin has parent
Water layer.
11. fins according to claim 8, it is characterised in that the surface of described fin has anti-
Corrosion layer.
12. 1 kinds of micro-channel parallel flow heat exchangers, including micro-channel flat (2), two respectively with institute
State the header (4) of micro-channel flat (2) two ends connection, some and described micro-channel flat (2) phase
Fin (1) even；It is characterized in that, described fin (1) is any one institute in claim 1-11
The fin stated, described fin (1) is positioned between two described headers (4), and described fin (1)
Length direction along described micro-channel flat (2) is sequentially distributed.
13. micro-channel parallel flow heat exchangers according to claim 12, it is characterised in that described wing
The length direction of sheet (1) is parallel to vertical direction.
14. micro-channel parallel flow heat exchangers according to claim 12, it is characterised in that adjacent
The spacing of two described fins (1) is more than 1.2mm.
15. micro-channel parallel flow heat exchangers according to claim 14, it is characterised in that adjacent
The spacing of two described fins (1) is 1.4mm or 1.6mm.
16. micro-channel parallel flow heat exchangers according to claim 12, it is characterised in that described micro-
The flat tube passway (21) of passage flat tube (2) is square or rectangle.
17. micro-channel parallel flow heat exchangers according to claim 12, it is characterised in that described flat
The length of side of tube passage mouth (21) is 0.3-1.0mm.
18. micro-channel parallel flow heat exchangers according to claim 12, it is characterised in that described micro-
The height of passage flat tube (2) is 1-3mm.
19. 1 kinds air conditioning unit, including outdoor heat exchanger and indoor heat exchanger, it is characterised in that described
Outdoor heat exchanger and/or described indoor heat exchanger are the microchannel in claim 12-18 described in any one
Parallel-flow heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620488702.3U CN205784783U (en) | 2016-05-24 | 2016-05-24 | Fin, micro-channel parallel flow heat exchanger and air conditioning unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620488702.3U CN205784783U (en) | 2016-05-24 | 2016-05-24 | Fin, micro-channel parallel flow heat exchanger and air conditioning unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205784783U true CN205784783U (en) | 2016-12-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620488702.3U Expired - Fee Related CN205784783U (en) | 2016-05-24 | 2016-05-24 | Fin, micro-channel parallel flow heat exchanger and air conditioning unit |
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| CN (1) | CN205784783U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841540A (en) * | 2016-05-24 | 2016-08-10 | 珠海格力电器股份有限公司 | Fin, micro-channel parallel flow heat exchanger and air conditioning unit |
| CN110736378A (en) * | 2018-07-20 | 2020-01-31 | 浙江盾安热工科技有限公司 | Micro-channel heat exchanger flat tube, micro-channel heat exchanger and heat exchange equipment |
-
2016
- 2016-05-24 CN CN201620488702.3U patent/CN205784783U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841540A (en) * | 2016-05-24 | 2016-08-10 | 珠海格力电器股份有限公司 | Fin, micro-channel parallel flow heat exchanger and air conditioning unit |
| CN110736378A (en) * | 2018-07-20 | 2020-01-31 | 浙江盾安热工科技有限公司 | Micro-channel heat exchanger flat tube, micro-channel heat exchanger and heat exchange equipment |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161207 |
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| CF01 | Termination of patent right due to non-payment of annual fee |