CN203550718U - Fin and heat exchanger adopting same - Google Patents
Fin and heat exchanger adopting same Download PDFInfo
- Publication number
- CN203550718U CN203550718U CN201320650570.6U CN201320650570U CN203550718U CN 203550718 U CN203550718 U CN 203550718U CN 201320650570 U CN201320650570 U CN 201320650570U CN 203550718 U CN203550718 U CN 203550718U
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- China
- Prior art keywords
- fin
- heat exchanger
- shutter
- plate
- windward
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000002787 reinforcement Effects 0.000 claims description 14
- 238000005452 bending Methods 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 abstract description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000005476 soldering Methods 0.000 description 2
- 241000784732 Lycaena phlaeas Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003599 detergent Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000010257 thawing Methods 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Abstract
The utility model provides a heat exchanger fin. The heat exchanger fin comprises a plurality of heat radiating fin units, each heat radiating fin unit comprises a windward plate, a leeward plate and an intermediate plate, the leeward plates are connected with one another, a flat pipe groove is arranged between every two adjacent heat radiating fin units, the flat pipe groove penetrates through between the intermediate plates and the windward plates of every two adjacent heat radiating fin units, each intermediate plate is provided with a louver group, the with of the louver group 30 only accounts for 40 to 70 percent of the width of the intermediate plate 23, so that partial position of the intermediate plate is not provided with the louver, more leeward part excepting the louver of the fin can be adequately dehumidified, the frosting speed of the wet air on the louver group is slowed down, the heat exchanging efficiency of a micro-channel is improved, the frosting spedd under the low-temperature heating condition is low, and the overall heat exchanging performance is improved.
Description
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.
Refer to Fig. 1, Fig. 1 shows the micro-channel heat exchanger 200 of the prior art of using as single-cooling air-conditioner condenser.This heat exchanger 200 is provided with many banded louvered fins 202 that repeat to fold between the flat tube 201 of horizontal positioned, top (this top refers to the position of the folding turning point of fin) by fin 202 folding turning points contacts with flat tube 201 and soldering formation, when using as condensation heat release, the heat exchanger 200 of this structure can effectively bring into play the advantage that its heat transfer efficiency is high, but while using as evaporation endothermic, there will be following problem: under high humidity environment, the area that the part of the shutter on louvered fin 202 occupies fin 202 is larger, the part windward of fin 202 can not be dehumidified well, and then humid air is at the part frosting speed of shutter, thereby affect the heat exchange efficiency of microchannel, especially show that under low-temperature heating operating mode, frosting is fast, defrosting is slow, it is serious that overall heat exchange performance reduces ground.
Utility model content
The object of the utility model embodiment is to provide a kind of fin, is intended to solve under high humidity environment, and the area that the shutter of fin partly occupies fin is larger, the problem that frosting speed reduces heat exchange property soon.
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 in each, the described intermediate plate of fin unit is provided with the first shutter and the second shutter, described the first shutter and described the second shutter consist of a shutter group jointly, the width of described shutter group account for described intermediate plate width 40%～70%.
Further, 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, the described leeward plate bending of described fin unit is protruded and is formed with the guiding gutter for draining, 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, described shutter group is near the join domain between described intermediate plate and described leeward plate.
Further, described intermediate plate is provided with the first V-shaped reinforcement of cross section along the width of heat exchanger fin, and described heat exchanger fin also comprises another shutter group, and described shutter group and described another shutter group are symmetrical arranged with described the first reinforcement.
Further, the width of windowing between adjacent two described second guide vanes of window width and described the second shutter between adjacent two described first guide vanes of described the first shutter equates, 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, and the 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.
Further, on described plate windward, be provided with first apart from boss, be provided with the second pitch of fins boss on described leeward plate, 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 first is consistent with the reducing side of described " eight " font structure apart from a side of boss and described the second pitch of fins boss projection.
Further, described plate is windward provided with the second V-shaped reinforcement of cross section along the width of heat exchanger fin, and described the second reinforcement is extended to the leading section of described intermediate plate by described plate windward.
Further, described heat exchanger fin is provided with in the edge of described flat tube groove for the flanging with described flat tube laminating, 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 width of the shutter group of the utility model fin only account for described intermediate plate width 40%～70%, make intermediate plate have part position that shutter is not set, make fin have some more parts windward except shutter to dehumidify fully, and then humid air slows down in the part frosting speed of shutter group, thereby improve the heat exchange efficiency of microchannel, especially show that under low-temperature heating operating mode, frosting is slow, overall heat exchange performance improves.
Accompanying drawing explanation
Fig. 1 is the perspective view of the heat exchanger that provides of prior art.
Fig. 2 is the perspective view of the heat exchanger that provides of the utility model embodiment.
Fig. 3 is the structural representation of fin of the heat exchanger of Fig. 2.
Fig. 4 is the cross-sectional view of the fin A-A along the line of Fig. 3.
Fig. 5 is the cross-sectional view of the fin B-B along the line of Fig. 3.
Fig. 6 is the cross-sectional view of the fin C-C along the line of Fig. 3.
Fig. 7 is the cross-sectional view of the fin D-D along the line of Fig. 3.
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.
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.
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 in each, the described intermediate plate 23 of fin unit 20 is provided with the first shutter 31 and the second shutter 32.Described the first shutter 31 and described the second shutter 32 consist of a shutter group 30 jointly, the width of described shutter group 30 account for described intermediate plate 23 width 40%～70%, to reach good turbulent effect.
The width of the shutter group 30 of the utility model fin 10 only account for described intermediate plate 23 width 40%～70%, make intermediate plate 23 have part position that shutter is not set, make fin have some more parts windward except shutter to dehumidify fully, and then humid air slows down in the part frosting speed of shutter group 30, thereby improve the heat exchange efficiency of microchannel, especially show that under low-temperature heating operating mode, frosting is slow, overall heat exchange performance improves.
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.Described leeward plate 22 bendings of described fin unit 20 are protruded and are formed with the guiding gutter 40 for draining.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.
In the present embodiment, guiding gutter 40 extends along the length direction of heat exchanger fin 10, and its cross section is V-shaped.
In the present embodiment, guiding gutter 40 is set to two, and two guiding gutters 40 are parallel and interval.
Described 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.
Preferably, described shutter group 30 is near the join domain between described intermediate plate 23 and described leeward plate 22.
Further, described intermediate plate 23 is provided with the first V-shaped reinforcement 42 of cross section along the width of heat exchanger fin 10, described heat exchanger fin 10 also comprises another shutter group 35, and described shutter group 30 is symmetrical arranged with described the first reinforcement 42 with described another shutter group 35.
Further, 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.
Further, location when facilitating heat exchanger 100 assembling between fin 10, on described plate windward 21, be provided with first apart from boss 24, on described leeward plate 22, be provided with the second pitch of fins boss 25, described first is protruding towards the same side of the described fin unit 20 of correspondence apart from boss 24 and described the second pitch of fins boss 25.
Preferably, described first is consistent with the reducing side of described " eight " font structure apart from a side of boss 24 and described the second pitch of fins boss 25 projections.
Further, for enhanced fin 10 structures, described plate windward 21 is provided with the second V-shaped reinforcement 43 of cross section along the width of heat exchanger fin 10, described the second reinforcement 43 by described plate windward 21 extend to described intermediate plate 23 leading section.
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.
The vertical guiding gutter 40 that fin 10 in the present embodiment 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, and fin 10 is smoothly difficult for gathering the globule without turning with flat tube 103 junction surfaces, 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 the first reinforcement 42, the second reinforcement 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.
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, it is characterized in that: described flat tube groove runs through between the described intermediate plate of adjacent two described fin units and be described windward between plate, described in each, the described intermediate plate of fin unit is provided with the first shutter and the second shutter, described the first shutter and described the second shutter consist of a shutter group jointly, the width of described shutter group account for described intermediate plate width 40%～70%.
2. heat exchanger fin as claimed in claim 1, it is characterized in that: 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, the described leeward plate bending of described fin unit is protruded and is formed with the guiding gutter for draining, 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.
3. heat exchanger fin as claimed in claim 1, is characterized in that: described shutter group is near the join domain between described intermediate plate and described leeward plate.
4. heat exchanger fin as claimed in claim 1, it is characterized in that: described intermediate plate is provided with the first V-shaped reinforcement of cross section along the width of heat exchanger fin, described heat exchanger fin also comprises another shutter group, and described shutter group and described another shutter group are symmetrical arranged with described the first reinforcement.
5. heat exchanger fin as claimed in claim 2, it is characterized in that: the width of windowing between adjacent two described second guide vanes of window width and described the second shutter between adjacent two described first guide vanes of described the first shutter equates, 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, and the 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.
6. heat exchanger fin as claimed in claim 1, it is characterized in that: on described plate windward, be provided with first apart from boss, on described leeward plate, 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.
7. heat exchanger fin as claimed in claim 2, it is characterized in that: on described plate windward, be provided with first apart from boss, on described leeward plate, 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, and described first is consistent with the reducing side of described " eight " font structure apart from a side of boss and described the second pitch of fins boss projection.
8. heat exchanger fin as claimed in claim 1, is characterized in that: described plate is windward provided with the second V-shaped reinforcement of cross section along the width of heat exchanger fin, and described the second reinforcement is extended to the leading section of described intermediate plate by described plate windward.
9. heat exchanger fin as claimed in claim 2, is characterized in that: described heat exchanger fin is provided with in the edge of described flat tube groove for the flanging with described flat tube laminating, 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 also 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.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320650570.6U CN203550718U (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 |
|---|---|---|---|
| CN201320650570.6U CN203550718U (en) | 2013-10-21 | 2013-10-21 | Fin and heat exchanger adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203550718U true CN203550718U (en) | 2014-04-16 |
Family
ID=50468823
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320650570.6U Expired - Lifetime CN203550718U (en) | 2013-10-21 | 2013-10-21 | Fin and heat exchanger adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203550718U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186304A (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 |
| CN109945726A (en) * | 2017-12-20 | 2019-06-28 | 浙江盾安机械有限公司 | Inserted sheet fin and heat exchanger |
| CN110094901A (en) * | 2018-01-31 | 2019-08-06 | 浙江盾安机械有限公司 | A kind of micro-channel heat exchanger |
-
2013
- 2013-10-21 CN CN201320650570.6U patent/CN203550718U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109945726A (en) * | 2017-12-20 | 2019-06-28 | 浙江盾安机械有限公司 | Inserted sheet fin and heat exchanger |
| CN110094901A (en) * | 2018-01-31 | 2019-08-06 | 浙江盾安机械有限公司 | A kind of micro-channel heat exchanger |
| CN110094901B (en) * | 2018-01-31 | 2021-09-28 | 浙江盾安机械有限公司 | Micro-channel heat exchanger |
| CN109186304A (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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |