CN113357937B - Fin and heat exchanger - Google Patents
Fin and heat exchanger Download PDFInfo
- Publication number
- CN113357937B CN113357937B CN202110475280.1A CN202110475280A CN113357937B CN 113357937 B CN113357937 B CN 113357937B CN 202110475280 A CN202110475280 A CN 202110475280A CN 113357937 B CN113357937 B CN 113357937B
- Authority
- CN
- China
- Prior art keywords
- heat exchange
- exchange tube
- windward
- leeward
- plate
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/04—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits
- F28D1/053—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with tubular conduits the conduits being straight
- F28D1/05316—Assemblies of conduits connected to common headers, e.g. core type radiators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F1/00—Tubular elements; Assemblies of tubular elements
- F28F1/10—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses
- F28F1/12—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element
- F28F1/24—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely
- F28F1/32—Tubular elements and assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with projections, with recesses the means being only outside the tubular element and extending transversely the means having portions engaging further tubular elements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F17/00—Removing ice or water from heat-exchange apparatus
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Geometry (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides a fin and a heat exchanger, wherein the fin is used for being connected with a heat exchange tube and comprises an windward plate and a leeward plate, the windward plate and the leeward plate are both provided with heat exchange tube grooves matched with the heat exchange tube, and the shortest distance from the heat exchange tube grooves on the windward plate to a windward port is more than or equal to the shortest distance from the heat exchange tube grooves on the leeward plate to the leeward port. The fin provided by the invention increases the effective heat exchange area of the windward plate, strengthens the disturbance of air flow and improves the heat exchange efficiency of the fin.
Description
RELATED APPLICATIONS
The application is a divisional application of 2017, 12 and 7, with the application number 2017112843488 and the name of a fin and a heat exchanger.
Technical Field
The invention relates to the technical field of heat exchange, in particular to a fin and a heat exchanger.
Background
Compared with the traditional finned tube heat exchanger, the condenser with the conventional micro-channel for the single cooling unit has the advantages of higher heat exchange efficiency, lower wind resistance, lower refrigerant filling amount, lower material cost and the like. However, due to structural limitations, the problems of frequent frosting, difficult water drainage, easy filth blockage and the like of the evaporator for the heat pump system are not solved well, and a good solution is not provided. The inserted sheet type micro-channel pushed out by individual manufacturers solves the problem of water drainage to a certain extent, but does not solve the problem of frequent frosting, and the heat exchange efficiency is reduced due to the fact that a part of fin area is sacrificed.
Disclosure of Invention
The invention aims to provide a fin and a heat exchanger, which solve the problem of frosting without affecting the heat exchange efficiency.
In order to achieve the above purpose, the invention adopts the following technical scheme: the fin is used for being connected with a heat exchange tube and is characterized by comprising an windward plate and a leeward plate, wherein the windward plate and the leeward plate are both provided with heat exchange tube grooves matched with the heat exchange tube, and the shortest distance from the heat exchange tube groove on the windward plate to a windward port is more than or equal to the shortest distance from the heat exchange tube groove on the leeward plate to the leeward port.
Further, the heat exchange tube grooves comprise a windward side heat exchange tube groove and a leeward side heat exchange tube groove, and the windward side heat exchange tube groove and the leeward side heat exchange tube groove are staggered and arranged into two rows in the air flow direction.
After the fins are assembled with the heat exchange tubes, the heat exchange tubes are staggered in the air flow direction to form a windward side heat exchange tube and a leeward side heat exchange tube.
Further, the distance from the windward side heat exchange tube groove to the windward opening is smaller than the distance from the leeward side heat exchange tube groove to the windward opening; and/or the number of the groups of groups,
The distance from the leeward heat exchange tube groove to the back air opening is smaller than the distance from the windward plate heat exchange tube groove to the back air opening.
Furthermore, the number of the windward side heat exchange tube slots and the leeward side heat exchange tube slots is multiple, and the windward side heat exchange tube slots and the leeward side heat exchange tube slots are sequentially and alternately arranged in a direction perpendicular to the air flow direction.
After the fins are assembled with the heat exchange tubes, the windward side heat exchange tubes and the leeward side heat exchange tubes are alternately arranged in sequence in the direction perpendicular to the air flow.
Further, the windward side heat exchange tube groove and the leeward side heat exchange tube groove are staggered from each other in a direction perpendicular to the air flow direction.
Further, the windward plate and the leeward plate are matched with each other in a concave-convex manner to form a heat exchange tube groove matched with the heat exchange tube.
The fin is assembled with the heat exchange tubes, and the heat exchange tubes can improve the strength of the fixed connection of the windward plate and the leeward plate.
Further, a blocking part is arranged between one side of the windward plate, which is relatively far away from the back air plate, and the heat exchange tube groove, and the cross section of the blocking part in the air flow direction is wavy.
Further, a reinforcing rib is arranged on one side of the leeward plate, which is close to the leeward opening.
The invention also discloses a heat exchanger which comprises the fins and a plurality of heat exchange tubes, wherein the heat exchange tubes are arranged in the heat exchange tube grooves.
Further, the heat exchanger further comprises a first collecting pipe and a second collecting pipe, and the first collecting pipe, the second collecting pipe and the heat exchange pipe are vertically arranged.
After the technical scheme is adopted, the invention has the following advantages:
1. Through setting up a plurality of windward plate and a plurality of leeward plate, windward plate with leeward plate all be equipped with heat exchange tube complex heat exchange tube groove, the shortest distance that heat exchange tube groove on the windward plate to windward mouth is greater than or equal to heat exchange tube groove on the leeward plate is to leeward mouth. Can further block frosting and increase the effective heat exchange area of the windward plate and disturbance of air flow.
2. Through setting up the blocking part in the one end that the windward plate kept away from the heat exchange tube, the blocking part makes the frost knot between two adjacent blocking parts, prevents that the frost from getting into the fin inside, guarantees the normal use of fin, and the transversal wave of blocking part personally submits the disturbance when increasing the effective heat transfer area of windward plate and air flow, improves the heat exchange efficiency of fin, and the intensity of windward side also can be increased to the blocking part simultaneously, makes the use of fin more reliable, in addition because the blocking part is the wave, can follow the concave part discharge of blocking part very easily after the frost melts for the drainage is easier, improves the reliability that the fin used.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic view of the structure of the fin and heat exchange tube of the present invention.
Fig. 2 is a schematic view of the cooperation of the windward plate and the leeward plate according to the present invention.
Fig. 3 is an enlarged view of a in fig. 2.
Fig. 4 is a schematic view of the windward plate and leeward plate of the present invention separated.
Fig. 5 is a schematic structural view of an windward plate in the fin according to the present invention.
Fig. 6 is a schematic view of a heat exchanger according to the present invention.
The names of the components marked in the figure are as follows:
1. windward plate; 11. a blocking portion; 2. a back wind plate; 3. a heat exchange tube groove; 4. a shutter; 5. a slit; 6. reinforcing ribs; 7. flanging; 8. a first header; 9. a second header; 10. a heat exchange tube.
Detailed Description
As shown in fig. 1 to 5, the invention provides a fin for connection with a heat exchange tube 10, the fin comprises a plurality of windward plates 1 and a plurality of leeward plates 2, one ends of the windward plates 1 and the leeward plates 2, which are matched with the heat exchange tube 10, are respectively provided with heat exchange tube grooves 3, the windward plates 1 and the leeward plates 2 are respectively arranged at intervals along two sides of the heat exchange tube 10, the distance between the adjacent windward plates 1 is greater than or equal to the distance between the adjacent windward plates 2, the distance between the leeward plates 2 is smaller, so that the heat exchange efficiency of the fin is higher, the distance between the windward plates 1 is larger, the frosting speed is reduced, the windward side is not easy to be blocked, and the use reliability of the fin is improved. The number of heat exchange tube slots can be selected according to actual needs, in this embodiment, the heat exchange tube slots 3 are provided with 4 and two are arranged on the windward plate 1, and two are arranged on the back plate 2.
In this embodiment, the one end that windward plate 1 kept away from heat exchange tube 10 is equipped with blocking portion 11, blocking portion 11 makes the frost knot between two adjacent blocking portions 11, prevent the frost to get into the fin inside, guarantee the normal use of fin, blocking portion 11's transversal wave is personally submitted, increase windward plate 1's effective heat transfer area and disturbance when air flows, improve the heat exchange efficiency of fin, blocking portion 11 also can increase windward side's intensity simultaneously, make the use of fin more reliable, in addition because blocking portion 11 is the wave, can follow blocking portion 11's concave part easily after the frost melts and discharge for the drainage is easier, the reliability of fin use is improved.
The distance L1 from the heat exchange tube slot 3 on the windward plate 1 to the windward opening is different from the distance L2 from the heat exchange tube slot 3 on the back plate 2 to the leeward opening, in this embodiment, L1 > L2, so that the blocking portion 11 can be set wider, further ensuring the blocking effect of the blocking portion on further frosting, and further increasing the effective heat exchange area of the windward plate and the disturbance of air flow.
The distance between the adjacent windward plates 1 is a, a is less than or equal to 1.0mm and less than or equal to 4.0mm, and the distance between the adjacent windward plates 1 is in the range of 1.0mm to 4.0mm by arranging the adjacent windward plates 1, so that the distance between the adjacent windward plates 1 is far, frost is not easy to form, the frost is not easy to block the windward opening, and the distance between the adjacent windward plates 1 is not too far, so that the heat exchange efficiency of the fins is low. The distance between the adjacent back air plates 2 is b, b is less than or equal to 1.0mm and less than or equal to 4.0mm, and the distance between the adjacent back air plates 2 is in the range of 1.0mm to 4.0mm, so that the distance between the adjacent back air plates 2 is relatively short, a plurality of back air plates 2 can be arranged more, the effective heat dissipation area is increased, the distance between the adjacent back air plates 2 is not too short, air can pass through quickly, and the heat exchange efficiency of the fins is guaranteed. In the embodiment, a is 2.0mm, so that the heat exchange efficiency of the windward plates 1 is high, and the distance between the windward plates 1 is large, so that frosting is not easy to occur. b get 1.0mm for the distance between the adjacent back air plate 2 is more suitable, makes can set up more back air plate 2, increases effective heat radiating area, and the air can pass through more fast simultaneously, makes heat exchange efficiency higher.
The windward plate 1 and the back plate 2 are respectively provided with a shutter 4, so that the disturbance of air flow is enhanced, and the heat exchange efficiency of the fins is improved.
Gaps 5 for assembly are reserved between the windward plate 1 and the leeward plate 2, so that the windward plate 1 and the leeward plate 2 are more convenient to install.
The windward plate 1 and the back plate 2 are respectively provided with a reinforcing rib 6, so that the strength of the windward plate 1 and the back plate 2 is improved, and the windward plate 1 and the back plate 2 are more reliable to use. In the embodiment, the windward plate 1 is provided with a straight reinforcing rib, and the back plate 2 is provided with a cross reinforcing rib.
The flanging 7 is arranged on the heat exchange tube groove 3 to play a role in positioning, so that the heat exchange tube 10 is more convenient to install, meanwhile, the heat exchange tube 10 is convenient to connect with the fins, and the flanging can be utilized for positioning the distance between the fins.
The windward plate 1 and the back plate 2 are punched and formed, the processing is simple and convenient, and the production efficiency is high.
It will be appreciated that the heat exchange tube slots may be provided with 2, 6, 8, 10, etc. and may be selected according to the number of actual heat exchange tubes.
It will be appreciated that l1=l2, or L1 < L2 is also possible.
It will be appreciated that a may also take 1.0mm,1.5mm,2.5mm,3.0mm,3.5mm,4.0mm, etc.
It will be appreciated that b may also be 1.5mm,2.0mm,2.5mm,3.0mm,3.5mm,4.0mm, etc.
It can be understood that the cross-shaped reinforcing ribs can also be arranged on the windward plate, and the straight-shaped reinforcing ribs can also be arranged on the leeward plate.
It can be understood that the straight reinforcing ribs can be arranged on the windward plate and the back plate.
It can be understood that cross-shaped reinforcing ribs can be arranged on the windward plate and the back plate.
Of course, as shown in fig. 6, the invention also discloses a heat exchanger, which comprises a first collecting pipe 8, a second collecting pipe 9, a plurality of heat exchange pipes 10 perpendicular to the first collecting pipe 8 and the second collecting pipe 9 and fins perpendicular to the heat exchange pipes 10, wherein the heat exchange pipes are staggered and arranged into two rows in the air flow direction, and the fins are the fins in any technical scheme.
The fins and the heat exchange tube 10 are integrally connected through welding, so that the processing is simple and convenient, and the connection is reliable.
It will be appreciated that the fins and heat exchange tubes may be connected in other ways.
In addition to the above preferred embodiments, the present invention has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the invention, which is defined in the appended claims.
Claims (9)
1. The fin is used for being connected with a heat exchange tube and is characterized by comprising a plurality of windward plates and a plurality of back air plates, wherein the windward plates and the back air plates are respectively arranged at intervals along two sides of the heat exchange tube, the distance between the adjacent windward plates is a, the distance between the adjacent back air plates is b, a=2b, a is less than or equal to 1.0 mm and less than or equal to 4.0 mm, and b is less than or equal to 1.0 mm and less than or equal to 4.0 mm;
The wind-facing plate and the leeward plate are both provided with heat exchange tube grooves matched with the heat exchange tubes, the heat exchange tube grooves on the wind-facing plate face the leeward plate to be arranged in an open mode, the heat exchange tube grooves on the leeward plate face the wind-facing plate to be arranged in an open mode, the wind-facing plate and the leeward plate are in concave-convex fit with each other to form a complete heat exchange tube groove matched with the heat exchange tube, and the shortest distance from the bottom of the heat exchange tube groove on the wind-facing plate to the windward opening is larger than the shortest distance from the bottom of the heat exchange tube groove on the leeward plate to the leeward opening.
2. The fin of claim 1, wherein the heat exchange tube slots comprise a windward side heat exchange tube slot and a leeward side heat exchange tube slot, the windward side heat exchange tube slot and the leeward side heat exchange tube slot being arranged in two rows with a stagger in an air flow direction.
3. The fin of claim 2, wherein a distance from the windward side heat exchange tube slot to the windward opening is less than a distance from the leeward side heat exchange tube slot to the windward opening; and/or the number of the groups of groups,
The distance from the leeward heat exchange tube groove to the back air opening is smaller than the distance from the windward plate heat exchange tube groove to the back air opening.
4. The fin according to claim 2, wherein the number of the windward side heat exchange tube grooves and the leeward side heat exchange tube grooves is plural, and the plural windward side heat exchange tube grooves and the plural leeward side heat exchange tube grooves are alternately arranged in order in a direction perpendicular to the air flow direction.
5. The fin as set forth in claim 4 wherein said windward side heat exchange tube slots and said leeward side heat exchange tube slots are offset from each other in a direction perpendicular to said air flow direction.
6. The fin according to claim 1, wherein a blocking portion is provided between a side of the windward plate relatively far from the back air plate and the heat exchange tube groove, and the blocking portion has a wavy cross-sectional shape in the air flow direction.
7. The fin according to claim 1, wherein the leeward plate is provided with a reinforcing rib on a side thereof adjacent to the leeward opening.
8. A heat exchanger comprising a fin according to any one of claims 1 to 7 and a plurality of heat exchange tubes, a plurality of the heat exchange tubes being installed in the heat exchange tube grooves.
9. The heat exchanger of claim 8, further comprising a first header and a second header, wherein the first header and the second header are disposed perpendicular to the heat exchange tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110475280.1A CN113357937B (en) | 2017-12-07 | 2017-12-07 | Fin and heat exchanger |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110475280.1A CN113357937B (en) | 2017-12-07 | 2017-12-07 | Fin and heat exchanger |
| CN201711284348.8A CN109900136B (en) | 2017-12-07 | 2017-12-07 | Fin and heat exchanger |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711284348.8A Division CN109900136B (en) | 2017-12-07 | 2017-12-07 | Fin and heat exchanger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113357937A CN113357937A (en) | 2021-09-07 |
| CN113357937B true CN113357937B (en) | 2024-06-11 |
Family
ID=66939046
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110475280.1A Active CN113357937B (en) | 2017-12-07 | 2017-12-07 | Fin and heat exchanger |
| CN201711284348.8A Active CN109900136B (en) | 2017-12-07 | 2017-12-07 | Fin and heat exchanger |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711284348.8A Active CN109900136B (en) | 2017-12-07 | 2017-12-07 | Fin and heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (2) | CN113357937B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112444146B (en) * | 2019-08-29 | 2024-08-20 | 青岛海信日立空调系统有限公司 | Microchannel heat exchanger and air conditioner |
| CN114440689A (en) * | 2022-01-28 | 2022-05-06 | 广东美的暖通设备有限公司 | Fin structure and heat exchanger |
| CN119436894A (en) * | 2024-10-28 | 2025-02-14 | 广东美的制冷设备有限公司 | Heat exchanger fins and heat exchanger |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0271096A (en) * | 1988-09-05 | 1990-03-09 | Matsushita Refrig Co Ltd | Heat exchanger with fin |
| JPH0590173U (en) * | 1992-04-20 | 1993-12-07 | 住友軽金属工業株式会社 | Fin tube heat exchanger |
| CN102706040A (en) * | 2010-10-28 | 2012-10-03 | 三星电子株式会社 | Heat exchanger |
| CN104501639A (en) * | 2014-12-19 | 2015-04-08 | 西安交通大学 | Non-centrosymmetrical H-shaped finned tube and finned tube heat exchange tube bundle |
| JP2016121839A (en) * | 2014-12-25 | 2016-07-07 | 株式会社富士通ゼネラル | Heat exchanger and heat exchanger unit using the same |
| WO2017068723A1 (en) * | 2015-10-23 | 2017-04-27 | 三菱電機株式会社 | Heat exchanger and refrigeration cycle apparatus |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3164605B2 (en) * | 1991-07-09 | 2001-05-08 | 昭和アルミニウム株式会社 | Heat exchanger |
| CN201311135Y (en) * | 2008-08-11 | 2009-09-16 | 宁波惠康实业有限公司 | Fin heat exchanger |
| CN103299150B (en) * | 2011-01-21 | 2015-09-16 | 大金工业株式会社 | Heat exchanger and air conditioner |
| EP2725311B1 (en) * | 2012-10-29 | 2018-05-09 | Samsung Electronics Co., Ltd. | Heat exchanger |
| JP6414331B2 (en) * | 2015-05-27 | 2018-10-31 | 三菱電機株式会社 | Heat exchanger and refrigeration equipment |
| CN206073785U (en) * | 2016-09-07 | 2017-04-05 | 珠海格力电器股份有限公司 | Fin and radiator comprising same |
-
2017
- 2017-12-07 CN CN202110475280.1A patent/CN113357937B/en active Active
- 2017-12-07 CN CN201711284348.8A patent/CN109900136B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0271096A (en) * | 1988-09-05 | 1990-03-09 | Matsushita Refrig Co Ltd | Heat exchanger with fin |
| JPH0590173U (en) * | 1992-04-20 | 1993-12-07 | 住友軽金属工業株式会社 | Fin tube heat exchanger |
| CN102706040A (en) * | 2010-10-28 | 2012-10-03 | 三星电子株式会社 | Heat exchanger |
| CN104501639A (en) * | 2014-12-19 | 2015-04-08 | 西安交通大学 | Non-centrosymmetrical H-shaped finned tube and finned tube heat exchange tube bundle |
| JP2016121839A (en) * | 2014-12-25 | 2016-07-07 | 株式会社富士通ゼネラル | Heat exchanger and heat exchanger unit using the same |
| WO2017068723A1 (en) * | 2015-10-23 | 2017-04-27 | 三菱電機株式会社 | Heat exchanger and refrigeration cycle apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109900136B (en) | 2021-12-07 |
| CN113357937A (en) | 2021-09-07 |
| CN109900136A (en) | 2019-06-18 |
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