CN201166495Y - Fin for tiny channel heat exchanger - Google Patents
Fin for tiny channel heat exchanger Download PDFInfo
- Publication number
- CN201166495Y CN201166495Y CNU2008200445787U CN200820044578U CN201166495Y CN 201166495 Y CN201166495 Y CN 201166495Y CN U2008200445787 U CNU2008200445787 U CN U2008200445787U CN 200820044578 U CN200820044578 U CN 200820044578U CN 201166495 Y CN201166495 Y CN 201166495Y
- Authority
- CN
- China
- Prior art keywords
- grid
- group
- fin
- gratings
- copper pipe
- 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 - Fee Related
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims abstract description 31
- 229910052802 copper Inorganic materials 0.000 claims abstract description 31
- 239000010949 copper Substances 0.000 claims abstract description 31
- 239000012530 fluid Substances 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model relates to a fin which is used in a mini-channel heat exchanger. Each fin is provided with four groups of elongated notch-shaped gratings. The first group of gratings and the second group of gratings are arranged under a first tube of a first pair of inner grooved copper tubes, the second group of gratings and the fourth group of gratings are arranged on a second tube of a pair of copper tubes, and the third group of gratings and the fourth group of gratings are respectively arranged behind the first group of gratings and the third group of gratings. A middle grating is located behind the first group of gratings and the second group of gratings and is located in front of the third group of gratings and the fourth group of gratings. The fin can compensate for the influence of reduced copper pipe heat exchanging area to the heat exchanging capacity and can improve the whole heat exchanging performance of the heat exchanger.
Description
Technical field
The utility model relates to a kind of novel Φ 4.96 pipe split hanging machine air conditioner indoor machine evaporations, is a kind of fin that forms grid type grid in flat fin specifically.
Background technology
Energy-conservation, consumption reduction is one of the main body topic in generation present tense.A direction of Air-conditioning Development is to improve the energy consumption of unit heat exchange amount now, pursue high energy efficiency, but generally adopt the method that increases the heat exchanger heat exchange area, cause the waste of national resources, another direction is to reduce raw material, fully the performance of development and use heat exchanger reduces raw-material use as far as possible under the prerequisite that keeps refrigerating capacity.
The utility model content
The purpose of this utility model is to solve the problem that prior art exists, and a kind of fin for minim channel heat exchanger is provided, and reducing on the raw-material basis, improves the heat exchanger coefficient of heat transfer, guarantees the refrigerating capacity of air-conditioning, improves the heat exchange efficiency of air-conditioner evaporator.
For achieving the above object, the technical scheme that the utility model provides is: this fin comprises a plurality of parallel fins that separate, and flows between every pair of adjacent fins with the guiding air.Heat-conducting copper pipe extends through perpendicular fin, wherein feeds heat-conducting fluid, it is characterized in that fin comprises;
The first, second, third and the 4th slit shape grid group, be arranged between the paired copper pipe that vertically separates, the first and the 3rd grid group be arranged in first pair of copper pipe first pipe below, the second and the 4th grid group is arranged in this to above second pipe of copper pipe, be arranged in the back of the first grid group with respect to fluid flow direction the 3rd grid group, the 4th grid group is arranged in the back of the second grid group;
Slit shape grid in the middle of one, this grid is vertical with air-flow direction to be extended, and is positioned at the back of the first and second grid groups, and the front of the third and fourth grid group;
Each grid group is with respect to the fluid flow direction horizontal expansion; Each grid is to separate by the physical location of fin and adjacent grid.
The utility model has effectively solved the problem of minim channel heat exchanger heat exchange area deficiency, can improve the heat exchange efficiency of minim channel heat exchanger, helps the dimensionally-optimised of heat exchanger, helps the application of intensivism heat exchanger.
Description of drawings:
Fig. 1 is the utility model structural representation schematic diagram;
Fig. 2 is the D place structure for amplifying schematic diagram of Fig. 1.
The specific embodiment:
Below comprehensive accompanying drawing and implement example the utility model is further specified.
Square frame B represents the arrangement of a slit shape grid, and slit crosses out along the air current flow direction.Each arranged is at two copper pipe 2A that vertically separate, and between the 2B, advances originally to be radial arrangement with respect to the central axis of corresponding copper pipe 2, makes along each surperficial airflow flowing disturbance (promptly being turbulent flow) of fin and mixes.This has just reduced in the cavity of copper pipe 2 rear sides formation, and improves heat transfer efficiency, strengthens heat-conductive characteristic.
Each arrangement comprises the first, second, third and the 4th slit shape grid group 10,20,30 and 40.Each grid in every group of the grid group is that the entity part by fin separates.
The grid width W 1 of the first, second, third and the 4th grid group equates, and narrower than the width W 2 of middle grid.
The first grid group 10 is along the upstream arrangement of the right-hand part of copper pipe 2A, that is to say that the leading flank of 10 article one grid and copper pipe 2A is adjacent, and the last item grid is near the centre position of copper pipe 2A, and the length of each grid shortens successively.When air-flow during through the upstream of the right-hand part of copper pipe 2A, grid group 10 causes flow perturbation.
The 3rd grid group 30 is along the arranged downstream of the right-hand part of copper pipe 2A, that is to say that the leading flank of 30 article one grid and copper pipe 2A is adjacent, and the last item grid is near the centre position of copper pipe 2A, and the length of each grid increases successively.When air-flow during through the downstream of the right-hand part of copper pipe 2A, grid group 30 causes flow perturbation.
Other two groups of grid groups are arranged in the left side of copper pipe 2B, similar with one or three situation.
Obviously, when air flows, will forward the another side to by the grid group along the air part of fin side flow.Become turbulent flow when as shown in the figure, air is by the first, second, third and the 4th grid group and middle grid.Be that air-flow is divided into the individual air-flow F1 that flows around each copper pipe 2, F2 simultaneously.These air-flows converge near copper pipe downstream or trailing flank again, thereby have just produced the effect that mixes.
Become turbulent flow because air flows, the cavity that each copper pipe 2 rear side forms just reduces, and the thermal conductivity of rear side is also increased.
And when air flows, air part along the fin side flow will forward the another side to by the grid group, these part slits through grid between two sides of fin that flow shift back and forth, thereby this cell structure utilizes grid alternately to stretch out fin two opposite sides face has exactly strengthened the temperature boundary effect layer, pressure is reduced be reduced to a minimum, thereby improved heat exchange efficiency.
In addition, this cell structure utilizes grid radially to extend with respect to copper pipe, is directed into the copper pipe back thereby fluid is flowed, and has reduced the size of cavity.
This grid has also played to be increased copper pipe 2 back heat transfer efficiencies and accelerates the effect that heat flows towards heat pipe.
This grid has also improved the thermal conductivity of every copper pipe.
This fin cooperates small caliber inner screw thread copper pipe to strengthen air quantity under equal rotating speed.
Claims (3)
1, fin for minim channel heat exchanger, this fin comprise a plurality of parallel fins that separate, and flow between every pair of adjacent fins with the guiding air, and heat-conducting copper pipe extend through perpendicular fin, wherein feeds heat-conducting fluid, it is characterized in that, fin comprises:
The first, second, third and the 4th slit shape grid group, be arranged between the paired copper pipe that vertically separates, the first and the 3rd grid group be arranged in first pair of copper pipe first pipe below, the second and the 4th grid group is arranged in this to above second pipe of copper pipe, be arranged in the back of the first grid group with respect to fluid flow direction the 3rd grid group, the 4th grid group is arranged in the back of the second grid group;
Slit shape grid in the middle of one, this grid is vertical with air-flow direction to be extended, and is positioned at the back of the first and second grid groups, and the front of the third and fourth grid group;
Each grid group is with respect to the fluid flow direction horizontal expansion.
2. fin for minim channel heat exchanger according to claim 1, it is characterized in that: each grid group comprises the grid that some stretch out from first side of fin, with some grids that stretches out from fin second side, the layout that the grid of second side replaces with respect to the grid of the fluid flow direction and first side.
3. fin for minim channel heat exchanger according to claim 1 is characterized in that, each grid is to separate by the physical location of fin and adjacent grid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200445787U CN201166495Y (en) | 2008-03-07 | 2008-03-07 | Fin for tiny channel heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200445787U CN201166495Y (en) | 2008-03-07 | 2008-03-07 | Fin for tiny channel heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201166495Y true CN201166495Y (en) | 2008-12-17 |
Family
ID=40191885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200445787U Expired - Fee Related CN201166495Y (en) | 2008-03-07 | 2008-03-07 | Fin for tiny channel heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201166495Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871743A (en) * | 2010-06-12 | 2010-10-27 | 海信（山东）空调有限公司 | High-efficiency air-condition heat exchanger fin and heat exchanger |
-
2008
- 2008-03-07 CN CNU2008200445787U patent/CN201166495Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871743A (en) * | 2010-06-12 | 2010-10-27 | 海信（山东）空调有限公司 | High-efficiency air-condition heat exchanger fin and heat exchanger |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20081217 Termination date: 20160307 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |