CN203550716U - Fin and heat exchanger adopting same - Google Patents

Fin and heat exchanger adopting same Download PDF

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Publication number
CN203550716U
CN203550716U CN201320650096.7U CN201320650096U CN203550716U CN 203550716 U CN203550716 U CN 203550716U CN 201320650096 U CN201320650096 U CN 201320650096U CN 203550716 U CN203550716 U CN 203550716U
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China
Prior art keywords
fin
heat exchanger
plate
shutter
reinforcement
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CN201320650096.7U
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Chinese (zh)
Inventor
程志明
汪剑波
吕艳红
徐龙贵
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Midea Group Co Ltd
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Midea Group Co Ltd
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Priority to CN201320650096.7U priority Critical patent/CN203550716U/en
Priority to PCT/CN2013/090647 priority patent/WO2015058452A1/en
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Abstract

The utility model provides a heat exchanger fin. The heat exchanger fin comprises a plurality of heat radiating fin units, wherein each heat radiating fin unit comprises a windward plate, a leeward plate and an intermediate plate, the leeward plates are connected together, a flat pipe groove is arranged between the two adjacent heat radiating fin units, the windward plate is provided with a first reinforcing rib with a V-shaped cross section along the width direction of the heat exchanger fin, the intermediate plate is provided with a second reinforcing rib along the width direction of the heat exchanger fin, and the leeward plate is provided with a third reinforcing rib along the width direction of the heat exchanger fin. The utility model also provides a heat exchanger. The windward plate is provided with the first reinforcing rib, the intermediate plate is provided with the second reinforcing rib, and the leeward plate is provided with the third reinforcing rib, so that the strength of the fin after being machined can be effectively guaranteed. When the heat exchanger is assembled, the fin is not broken, and the heat exchanger is simple and easy to assemble.

Description

Fin and adopt the heat exchanger of this fin
Technical field
The utility model belongs to field of heat exchangers, relates in particular to a kind of fin and adopts the heat exchanger of this fin.
Background technology
Micro-channel heat exchanger adopts the flat tube with fine structure as its medium side flowing carrier, can strengthen intraductal heat transfer, simultaneously, disturbance when louvered fin enhancing Air Flow is set between the flat tube of heat exchanger, improved the heat transfer coefficient of air side, therefore, the type heat exchanger belongs to a kind of heavy duty detergent heat exchanger.In addition, micro-channel heat exchanger compact conformation, lightweight, coolant injection amount is few, can replace common copper pipe fin type heat exchanger to reduce costs, and is more and more subject to the attention of air-conditioning manufacturer at present.
Industry discloses a kind of fin that is applicable to heat pump condenser, this fin can make condensed water or defrosting water technology get rid of, alleviate air-conditioner in the frosting speed heating under worst cold case, strengthen heat exchanger effectiveness, but the reinforcing rib design that this fin arranges is unreasonable, be difficult to guarantee the intensity after fin machining, make heat exchanger assembling very difficult, packaging efficiency is low.
Utility model content
The object of the utility model embodiment is to provide a kind of fin, be intended to solve that fin strength is poor, heat exchanger assembling difficulty problem.
The utility model embodiment realizes like this, a kind of heat exchanger fin, for being connected with flat tube, described heat exchanger fin comprises some fin units, described in each, fin unit comprises plate windward on air-flow direction, leeward plate and the intermediate plate between described plate windward and described leeward plate, described in each, the described leeward plate of fin unit interconnects, between adjacent two described fin units, offer for plugging the flat tube groove of described flat tube, described flat tube groove runs through between the described intermediate plate of adjacent two described fin units and is described windward between plate, described plate is windward provided with V-shaped at least one the first reinforcement of cross section along the width of this heat exchanger fin, on described intermediate plate along being provided with at least one the second reinforcement on the width of this heat exchanger fin, on described leeward plate, along extension on the width of this heat exchanger fin, be provided with V-shaped at least one the 3rd reinforcement of cross section.
Further, described at least one the first reinforcement by described plate windward extend to described intermediate plate leading section.
Further, described in each, the described intermediate plate of fin unit is provided with some shutter groups, and described some shutter groups are on average distributed in the relative both sides of described at least one the second reinforcement symmetrically.
Further, described the 3rd reinforcement is several, and described some shutter groups overlap one by one with described some the 3rd projections of reinforcement on the width of this heat exchanger fin.
Further, described in each, shutter group comprises the first shutter and the second shutter, described the first shutter and described the second shutter are being symmetrical arranged by described plate windward to the front and back in the direction of described leeward plate, described the first shutter comprises some the first guide vanes, described the second shutter comprises some the second guide vanes, common one " eight " font structure that forms of described first guide vane of described the first shutter and described second guide vane of described the second shutter, described " eight " font structure has relative reducing side and open sides, distance between the rear end of the front end of described shutter group and described plate is windward the width of windowing between at least 3 times of adjacent two described first guide vanes or described the second guide vane, distance between the rear end of described shutter group and the front end of described leeward plate is the width of windowing between at least 1.5 times of adjacent two described first guide vanes or described the second guide vane.
Further, the described leeward plate bending of described fin unit is protruded and is formed with two guiding gutters for draining, described two guiding gutters be arranged in parallel, described the 3rd reinforcement is arranged between described two guiding gutters, and the protrusion side of described guiding gutter and the open sides of described " eight " font structure are positioned at the same side of corresponding described fin unit.
Further, on described leeward plate, be provided with first apart from boss, described the 3rd reinforcement is two, described first apart from boss between described 2 the 3rd reinforcements.
Further, be provided with the second pitch of fins boss on described plate windward, described first is protruding towards the same side of the described fin unit of correspondence apart from boss and described the second pitch of fins boss.
Further, described heat exchanger fin is provided with the flanging for described flat tube laminating in the edge of described flat tube groove, and the direction of described flanging bending is consistent with the reducing side of described " eight " font structure.
Another object of the utility model embodiment is to provide a kind of heat exchanger, it comprises the first header, the second header and parallel interval and is arranged at the some flat tubes between described the first header and described the second header, described heat exchanger also comprises the some above-mentioned heat exchanger fin of parallel interval, described in each, fin is perpendicular to described flat tube setting, and each flat tube is inserted in respectively in the some described flat tube groove of fin described in each.
The described plate windward of the fin that the utility model provides is provided with the first V-shaped reinforcement of cross section along the width of this heat exchanger fin, on described intermediate plate along being provided with the second reinforcement on the width of this heat exchanger fin, on described leeward plate, along extension on the width of this heat exchanger fin, be provided with V-shaped at least one the 3rd reinforcement of cross section, by the plate windward in each fin unit, leeward plate and intermediate plate, reinforcement is all set, can effectively guarantees the intensity after fin machining.When heat exchanger is assembled, the fin that can not fracture, makes the assembling of heat exchanger become easily simple.
Accompanying drawing explanation
Fig. 1 is the perspective view of the heat exchanger that provides of the utility model the first embodiment.
Fig. 2 is the structural representation of fin of the heat exchanger of Fig. 1.
Fig. 3 is the cross-sectional view of the fin A-A along the line of Fig. 2.
Fig. 4 is the cross-sectional view of the fin B-B along the line of Fig. 2.
Fig. 5 is the cross-sectional view of the fin C-C along the line of Fig. 2.
Fig. 6 is the cross-sectional view of the fin D-D along the line of Fig. 2.
Fig. 7 is the structural representation of the fin of the heat exchanger that provides of the utility model the second embodiment.
The specific embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
Refer to Fig. 1, the utility model embodiment provides a kind of heat exchanger 100, it comprises the first header 101, the second header 102 and parallel interval and is arranged at the some flat tubes 103 between described the first header 101 and described the second header 102, described heat exchanger 100 also comprises some heat exchanger fins 10 of parallel interval, described in each, fin 10 arranges perpendicular to described flat tube 103, described in each, fin 10 offers some flat tube grooves 11, and each flat tube 103 is inserted in respectively in the some described flat tube groove 11 of fin 10 described in each.
Please refer to Fig. 2 to Fig. 6, described in each, heat exchanger fin 10 is for being connected with flat tube 103.Described heat exchanger fin 10 comprises some fin units 20.Described in each, fin unit 20 comprises plate 21, leeward plate 22 and the intermediate plate 23 between described plate windward 21 and described leeward plate 22 windward on air-flow direction.Described in each, the described leeward plate 22 of fin unit 20 interconnects.Between adjacent two described fin units 20, offer for plugging the described flat tube groove 11 of described flat tube 103.Described flat tube groove 11 runs through between the described intermediate plate 23 of adjacent two described fin units 20 and between described plate windward 21.Described plate windward 21 is provided with V-shaped at least one the first reinforcement 43 of cross section along the width of heat exchanger fin 10, and described intermediate plate 23 is provided with V-shaped at least one the second reinforcement 42 of cross section along the width of heat exchanger fin 10.
The fin 10 that the utility model provides width along this heat exchanger fin 10 on described plate windward 21 is provided with the first V-shaped reinforcement 43 of cross section, on described intermediate plate 23 along being provided with the second reinforcement 42 on the width of this heat exchanger fin 10, by the plate windward 21 in each fin unit 20 and intermediate plate 23, reinforcement is all set, can effectively guarantees the intensity after fin 10 processing.When heat exchanger 100 assembling, the fin 10 that can not fracture, makes the assembling of heat exchanger 100 become easily simple.
Further, for enhanced fin 10 structures, described the first reinforcement 43 is extended to the leading section of described intermediate plate 23 by described plate windward 21, and this first reinforcement 43 has increased the intensity of plate 21 windward, reduces the noise decibel of heat exchanger 100.
Described in each, the described intermediate plate 23 of fin unit 20 is provided with some shutter groups 30, and described some shutter groups 30 are on average distributed in the relative both sides of described at least one the second reinforcement 42 symmetrically.Further, described leeward plate 22 bendings of described fin unit 20 are protruded and are formed with two guiding gutters 40 for draining, and described two guiding gutters 40 be arranged in parallel.
In the present embodiment, guiding gutter 40 extends along the length direction of heat exchanger fin 10, and its cross section is V-shaped.Preferably, guiding gutter 40 is set to two, and two guiding gutters 40 are parallel and interval.
Described in each, shutter group 30 comprises the first shutter 31 and the second shutter 32, and described the first shutter 31 and described the second shutter 32 are being symmetrical arranged by described plate windward 21 to the front and back in the direction of described leeward plate 22.Described the first shutter 31 comprises some the first guide vanes 33.Described the second shutter 32 comprises some the second guide vanes 34.Described first guide vane 33 of described the first shutter 31 forms one " eight " font structures jointly with described second guide vane 34 of described the second shutter 32.Described " eight " font structure has relative reducing side and open sides.The protrusion side of described guiding gutter 40 and the open sides of described " eight " font structure are positioned at the same side of corresponding described fin unit 20.
Described in each, shutter group 30 can be divided into San Ge district: windward district 323, turn to district 333 and leeward district 343, and windward district 323 and leeward district 343 with respect to turning to district 333 to be symmetrical arranged.The first shutter 31 is positioned at district's 323, the second shutters 32 windward and is positioned between leeward district 343, the first shutters 31 and the second shutter 32 for turning to district 333.
In order to strengthen heat conduction and enhanced fin 10 structures, distance between the rear end of the front end of described shutter group 30 and described plate windward 21 (being the width in the region 36 between the front end of described shutter group 30 and the rear end of described plate windward 21) is the width d that windows between at least 3 times of adjacent two described first guide vanes 33 or described the second guide vane 34, and region 36 keeps not windowing, distance between the front end of the rear end of described shutter group 30 and described leeward plate 22 (width in the region 37 between leeward plate 22 and the leeward district 343 of shutter group 30) is the width d that windows between at least 1.5 times of adjacent two described first guide vanes 33 or described the second guide vane 34, consider Machinability Evaluation and actual heat transfer effect, d is preferred in 1mm~2mm, and region 37 keeps not windowing.
In the present embodiment, preferably, the width of windowing between adjacent two described second guide vanes 34 of window width and described the second shutter 32 between adjacent two described first guide vanes 33 of described the first shutter 31 equates.
Location when facilitating heat exchanger 100 assembling between fin 10, on described leeward plate 22, be provided with first apart from boss 25, on described plate windward 21, be provided with the second pitch of fins boss 24, described the second pitch of fins boss 24 and described first are protruding towards the same side of the described fin unit 20 of correspondence apart from boss 25.
Preferably, described the second pitch of fins boss 24 and described first are consistent with the reducing side of described " eight " font structure apart from a side of boss 25 projections.
Preferably, recessed direction of the second reinforcement 42, the first reinforcement 43 and guiding gutter 40 is identical, all consistent with the open sides of described " eight " font structure.And described the second pitch of fins boss 24 and described first are apart from the protrusion direction of boss 25 in contrast, all consistent with the reducing side of described " eight " font structure.
Further, described heat exchanger fin 10 is provided with in the edge of described flat tube groove 11 for the flanging 44 with described flat tube 103 laminatings, the direction of described flanging 44 bendings is consistent with the reducing side of described " eight " font structure, the flat tube groove 11 that flat tube 103 inserts in described fin 10, and soldering after flat tube 103 is engaged with flanging 44, due to the existence of flanging 44, strengthened the bonding strength between flat tube groove 11 and flat tube 103.
Between each fin unit 20 of fin 10, offer flat tube groove 11, each flat tube 103 is inserted in respectively in the some described flat tube groove 11 of fin 10 described in each, and because fin 10 and flat tube 103 junction surfaces are smoothly difficult for gathering the globule without turning, drainage performance is good.
The vertical guiding gutter 40 that fin 10 arranges at leeward plate 22 has guide functions, condensed water or the defrost water on fin 10 surfaces can be got rid of rapidly along guiding gutter 40 under Action of Gravity Field, drainage performance is good, on the other hand, by vertical guiding gutter 40 is set, can increase the longitudinal strength of fin 10, it is not yielding that fin 10 transports process in assembling.Region 36 between the plate windward 21 of fin 10 and the district windward 323 of shutter group 30 does not arrange shutter can alleviate the frosting speed under low-temperature heating operating mode, in actual motion, this part is the most serious place of frosting simultaneously, and when so setting can guarantee to defrost, defrost water flows unobstructed.In addition, the intermediate plate 23 at fin 10 is provided with shutter group 30, disturbance in the time of can effectively strengthening Air Flow, raising air side heat transfer coefficient, thereby enhancing heat exchange.In order to improve the intensity of fin 10, on fin 10, be provided with reinforcement 42,43, make fin 10 and flat tube 103 easy to assembly, easy.In a word, heat exchanger 100 of the present utility model and fin 10 thereof have solved water and on fin 10 surfaces, have gathered the problem that is difficult for eliminating, improve the overall heat exchange efficiency of heat exchanger 100, and these fin 10 structural strengths are high, and fin 10 is easy to assembly with flat tube 103.
Adopt heat exchanger 100 heat exchange efficiencies after fin 10 of the present utility model high, drainage performance is good, and the condenser that can be used as heat pump air conditioner uses, and can bring great economic benefit.
Refer to Fig. 7, the applied fin 10 of heat exchanger 100 that the applied fin 10a of heat exchanger that the utility model the second embodiment provides and the utility model the first embodiment provide is roughly the same, its difference is: described leeward plate 22a is upper along extending and be provided with V-shaped at least one the 3rd reinforcement 45a of cross section on the width of this heat exchanger fin 10a, particularly, the 3rd reinforcement 45a can be several, and described some shutter group 30a overlap one by one with described some the 3rd projections of reinforcement 45a on the width of this heat exchanger fin 10a; Described the 3rd reinforcement 45a is arranged between described two guiding gutter 40a; Described the 3rd reinforcement 45a is two, described first apart from boss 25a between described 2 the 3rd reinforcement 45a.
In a second embodiment, on the basis of the first embodiment, on leeward plate 22a, be also provided with again the 3rd reinforcement 45a, more effectively guarantee the intensity after fin machining.When heat exchanger is assembled, the fin that can not fracture, makes the assembling of heat exchanger become easily simple.
Fin 10a is provided with V-type the 3rd reinforcement 45a on the leeward plate 22a of air-flow direction, and described some shutter group 30a overlap one by one with described some the 3rd reinforcement 45a projection of (being on air-flow direction) on the width of this heat exchanger fin 10a, from air-flow direction, observe the 3rd reinforcement 45a and shutter group 30a, the shutter group 30a that the 3rd reinforcement 45a is corresponding with it overlaps, and can effectively guarantee the intensity after fin 10a processing.When heat exchanger is assembled, the fin 10a that can not fracture, makes the assembling of heat exchanger become easily simple.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.

Claims (10)

1. a heat exchanger fin, for being connected with flat tube, described heat exchanger fin comprises some fin units, described in each, fin unit comprises plate windward on air-flow direction, leeward plate and the intermediate plate between described plate windward and described leeward plate, described in each, the described leeward plate of fin unit interconnects, between adjacent two described fin units, offer for plugging the flat tube groove of described flat tube, described flat tube groove runs through between the described intermediate plate of adjacent two described fin units and is described windward between plate, it is characterized in that: described plate is windward provided with V-shaped at least one the first reinforcement of cross section along the width of this heat exchanger fin, on described intermediate plate along being provided with at least one the second reinforcement on the width of this heat exchanger fin, on described leeward plate, along extension on the width of this heat exchanger fin, be provided with V-shaped at least one the 3rd reinforcement of cross section.
2. heat exchanger fin as claimed in claim 1, is characterized in that: described at least one the first reinforcement is extended to the leading section of described intermediate plate by described plate windward.
3. heat exchanger fin as claimed in claim 1, is characterized in that: described in each, the described intermediate plate of fin unit is provided with some shutter groups, and described some shutter groups are on average distributed in the relative both sides of described at least one the second reinforcement symmetrically.
4. heat exchanger fin as claimed in claim 3, is characterized in that: described the 3rd reinforcement is several, and described some shutter groups overlap one by one with described some the 3rd projections of reinforcement on the width of this heat exchanger fin.
5. heat exchanger fin as claimed in claim 4, it is characterized in that: described in each, shutter group comprises the first shutter and the second shutter, described the first shutter and described the second shutter are being symmetrical arranged by described plate windward to the front and back in the direction of described leeward plate, described the first shutter comprises some the first guide vanes, described the second shutter comprises some the second guide vanes, common one " eight " font structure that forms of described first guide vane of described the first shutter and described second guide vane of described the second shutter, described " eight " font structure has relative reducing side and open sides, distance between the rear end of the front end of described shutter group and described plate is windward the width of windowing between at least 3 times of adjacent two described first guide vanes or described the second guide vane, distance between the rear end of described shutter group and the front end of described leeward plate is the width of windowing between at least 1.5 times of adjacent two described first guide vanes or described the second guide vane.
6. heat exchanger fin as claimed in claim 5, it is characterized in that: the described leeward plate bending of described fin unit is protruded and is formed with two guiding gutters for draining, described two guiding gutters be arranged in parallel, described the 3rd reinforcement is arranged between described two guiding gutters, and the protrusion side of described guiding gutter and the open sides of described " eight " font structure are positioned at the same side of corresponding described fin unit.
7. heat exchanger fin as claimed in claim 1, is characterized in that: on described leeward plate, be provided with first apart from boss, described the 3rd reinforcement is two, described first apart from boss between described 2 the 3rd reinforcements.
8. heat exchanger fin as claimed in claim 7, is characterized in that: on described plate windward, be provided with the second pitch of fins boss, described first is protruding towards the same side of the described fin unit of correspondence apart from boss and described the second pitch of fins boss.
9. heat exchanger fin as claimed in claim 5, is characterized in that: described heat exchanger fin is provided with the flanging for described flat tube laminating in the edge of described flat tube groove, and the direction of described flanging bending is consistent with the reducing side of described " eight " font structure.
10. a heat exchanger, it comprises the first header, the second header and parallel interval and is arranged at the some flat tubes between described the first header and described the second header, it is characterized in that: described heat exchanger comprises some heat exchanger fins as described in claim 1-9 any one of parallel interval, described in each, fin is perpendicular to described flat tube setting, and each flat tube is inserted in respectively in the some described flat tube groove of fin described in each.
CN201320650096.7U 2013-10-21 2013-10-21 Fin and heat exchanger adopting same Active CN203550716U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201320650096.7U CN203550716U (en) 2013-10-21 2013-10-21 Fin and heat exchanger adopting same
PCT/CN2013/090647 WO2015058452A1 (en) 2013-10-21 2013-12-27 Heat exchanger fin and heat exchanger using heat exchanger fin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201320650096.7U CN203550716U (en) 2013-10-21 2013-10-21 Fin and heat exchanger adopting same

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CN203550716U true CN203550716U (en) 2014-04-16

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109186305A (en) * 2018-09-30 2019-01-11 珠海格力电器股份有限公司 A kind of fin and the heat exchanger with it
CN110945308A (en) * 2017-08-03 2020-03-31 三菱电机株式会社 Heat exchanger and refrigeration cycle device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110945308A (en) * 2017-08-03 2020-03-31 三菱电机株式会社 Heat exchanger and refrigeration cycle device
CN109186305A (en) * 2018-09-30 2019-01-11 珠海格力电器股份有限公司 A kind of fin and the heat exchanger with it

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