CN205002448U - Helical structured microchannel heat exchanger for refrigerator - Google Patents
Helical structured microchannel heat exchanger for refrigerator Download PDFInfo
- Publication number
- CN205002448U CN205002448U CN201520592125.8U CN201520592125U CN205002448U CN 205002448 U CN205002448 U CN 205002448U CN 201520592125 U CN201520592125 U CN 201520592125U CN 205002448 U CN205002448 U CN 205002448U
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- China
- Prior art keywords
- micro
- heat exchanger
- refrigerator
- fin
- channel
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- Expired - Fee Related
Links
- 238000005452 bending Methods 0.000 claims abstract description 7
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 7
- 239000003507 refrigerant Substances 0.000 abstract 1
- 241000985665 Cecropia obtusifolia Species 0.000 description 1
- 241000270295 Serpentes Species 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000007261 regionalization Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000001131 transforming Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model provides a helical structured microchannel heat exchanger for refrigerator, includes: the helical structured's that forms through bending micro channel flat tube, fin and connecting pipe, wherein: the fin sets up between adjacent micro channel flat tube, and the connecting pipe sets up in micro channel flat tube's import and export, bend, bend the number of times for at least once. Compared with the prior art, the utility model, having improved the heat exchange coefficient of heat exchanger, having reduced the fluence of refrigerant and the use amount of tubular product, processing technology is simple, convenient assembling, and its structure is matchd with heat transfer performance and current refrigerator system.
Description
Technical field
The utility model relates to a kind of technology of refrigeration for refrigerator field, specifically a kind of refrigerator helical structure micro-channel heat exchanger.
Background technology
Micro-channel heat exchanger is a kind of compact heat exchanger, utilizes microchannel enhanced heat exchange theory to realize the new type heat exchanger of high efficient heat exchanging.Traditionally equivalent diameter is called microchannel at the passage of below 3mm.When equivalent diameter is less than 3mm, along with the minimizing of caliber, the relative importance of gravity, surface tension and interfacial shear force changes, and causes managing interior condensation and boiling heat transfer mechanism is different from common pipe, and gas-liquid two-phase flow pattern and transformation rule thereof also will demonstrate obvious scale effect.Relative to the threaded pipe type heat exchanger that usual domestic refrigerator uses, micro-channel heat exchanger has the advantages such as energy-saving and environmental protection, lightweight, low cost.
Through finding the retrieval of prior art, Chinese patent literature CN101769656, publication date is on July 13rd, 2010, discloses a kind of coiled parallel flow condenser for refrigerator.This device comprises flat tube, fin, inlet tube assembly and outlet assembly, flat tube is the snake dress that several bending circular arcs and straight line are formed, fin is provided with between wherein adjacent snakelike flat tube, the turnover port of flat tube is connected to inlet tube assembly and outlet assembly, and flat tube inside is provided with multiple microchannel for cold-producing medium circulation.But this device is directly applied in household electric refrigerator by the corrugated tube type heat transfer technology that car air-conditioner field is ripe.
Chinese patent literature CN203810801U, open (bulletin) day 2014.09.03, disclose a kind of condenser and have the refrigerator of this condenser, comprise micro-channel flat, inlet tube and outlet; Inlet tube and outlet are separately positioned on the two ends of micro-channel flat; Micro-channel flat comprises multiple straight length of being parallel to each other and the multiple bend loss being configured to be connected every two adjacent straight lengths respectively; Between the lower surface of the top straight length in every two adjacent straight lengths and the upper surface of below straight length, all there is a radiating subassembly.Especially, each radiating subassembly includes upper strata fin and lower floor's fin and the connecting plate between upper strata fin and lower floor's fin.But this technology is not suitable for existing condenser for refrigerator assembly structure, its heat exchange property does not also match with existing domestic refrigerator system.
Utility model content
The utility model is for prior art above shortcomings, a kind of refrigerator helical structure micro-channel heat exchanger is proposed, helical structure and existing use circular wire trumpet cooler refrigerator structure is adopted to match, the coefficient of heat transfer of heat exchanger can be significantly improved, decrease the fluence of cold-producing medium and the use amount of tubing, processing technology is simple, easy to assembly, its structure and heat exchange property and current refrigerator system matches.
The utility model is achieved through the following technical solutions:
The utility model comprises: through the micro-channel flat of the helical structure of bending, fin and tube connector, wherein: fin is arranged between adjacent micro-channel flat, tube connector is arranged at import and the outlet of micro-channel flat.
The width of described micro-channel flat is 10 ~ 40mm, and thickness is 1 ~ 3mm.
5 ~ 40 microchannels are provided with vertically in described micro-channel flat.
The isosceles triangle or trapezoidal that the circle that the cross sectional shape of described microchannel is the rectangle of the high 0.5 ~ 2.5mm of long 0.5 ~ 5mm, diameter is 0.5 ~ 2.5mm, the length of side are 2 ~ 5mm.
Described fin is flat construction, shutter or ripple struction, and this fin is aluminium, and maximum spacing is 1 ~ 4mm, and maximum height is 4 ~ 16mm.
When adopting the fin of shutter, the number of windowing of this shutter is 6 ~ 40, and louver angle is 24 ~ 35 °.
Accompanying drawing explanation
Fig. 1 is micro-channel heat exchanger structural representation;
Fig. 2 is micro-channel flat schematic cross-section;
Fig. 3 is micro-channel heat exchanger schematic perspective view;
In figure: 1 micro-channel flat; 2 fin; 3 tube connectors; 4 microchannels.
Detailed description of the invention
Below embodiment of the present utility model is elaborated; the present embodiment is implemented under premised on technical solutions of the utility model; give detailed embodiment and concrete operating process, but protection domain of the present utility model is not limited to following embodiment.
Embodiment 1
As shown in Figure 1, the present embodiment comprises: micro-channel flat 1, fin 2 and tube connector 3, and wherein fin 2 is arranged between adjacent microchannel flat tube 1, and tube connector 3 is arranged at import and the outlet of micro-channel flat 1.
Described micro-channel flat 1 is bent into helical structure, and bending times needs according to area of dissipation and condenser assembly structure size is determined.Shaping micro-channel flat 1 structure is stamped in fin 2 array that shape with it agrees with mutually, by reinforcement of weld between micro-channel flat 1 and fin 2, and tube connector 3 is welded to import and the outlet of micro-channel flat 1.
Described fin 2 can be straight fin, shutter fin or ripple type fin, and the maximum spacing a of this fin 2 is 1 ~ 4mm, maximum height, and namely maximum radial spacing b is 4 ~ 16mm.During fin employing shutter fin, number of windowing is 6 ~ 40 windows, and louver angle is 24 ~ 35 °.
As shown in Figure 2, the width L of described micro-channel flat 1 is 10 ~ 40mm, and thickness H is 1 ~ 3mm, is axially arranged with 5 ~ 40 microchannels 4 in flat tube, and the cross sectional shape of microchannel adopts but is not limited to rectangle, circle, isosceles triangle or trapezoidal.
When cross sectional shape is rectangle, the length l in the cross section of this microchannel 4 is 0.5 ~ 5mm, is highly 0.5 ~ 2.5mm;
When cross sectional shape is circular, the diameter in the cross section of this microchannel 4 is 0.5 ~ 2.5mm;
When cross sectional shape is isosceles triangle, each bar length of side in the cross section of this microchannel 4 is within the scope of 2 ~ 5mm;
Described tube connector 3 side is aluminium, and side is copper, is connected by electric resistance welding mode.Micro-channel flat 1 and fin 2 are aluminium.
This device compared with prior art, improves the coefficient of heat transfer of heat exchanger, decreases the fluence of cold-producing medium and the use amount of tubing, and processing technology is simple, easy to assembly, its structure and heat exchange property and current refrigerator system matches.
Claims (7)
1. a refrigerator helical structure micro-channel heat exchanger, it is characterized in that, comprise: through the micro-channel flat of the helical structure of bending, fin and tube connector, wherein: fin is arranged between adjacent micro-channel flat, tube connector is arranged at import and the outlet of micro-channel flat.
2. refrigerator helical structure micro-channel heat exchanger according to claim 1, is characterized in that, described bending, and bending times is at least one times.
3. refrigerator helical structure micro-channel heat exchanger according to claim 1, is characterized in that, the width of described micro-channel flat is 10 ~ 40mm, and thickness is 1 ~ 3mm.
4., according to described refrigerator helical structure micro-channel heat exchanger arbitrary in claims 1 to 3, it is characterized in that, in described micro-channel flat, be provided with 5 ~ 40 microchannels vertically.
5. refrigerator helical structure micro-channel heat exchanger according to claim 4, it is characterized in that, the cross sectional shape of described microchannel is the rectangle of the high 0.5 ~ 2.5mm of long 0.5 ~ 5mm, isosceles triangle or trapezoidal that circle that diameter is 0.5 ~ 2.5mm, the length of side are 2 ~ 5mm.
6. refrigerator helical structure micro-channel heat exchanger according to claim 1, is characterized in that, described fin is flat construction, shutter or ripple struction, and this fin is aluminium, and maximum spacing is 1 ~ 4mm, and maximum height is 4 ~ 16mm.
7. refrigerator helical structure micro-channel heat exchanger according to claim 6, is characterized in that, when adopting the fin of shutter, the number of windowing of this shutter is 6 ~ 40, and louver angle is 24 ~ 35 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592125.8U CN205002448U (en) | 2015-08-07 | 2015-08-07 | Helical structured microchannel heat exchanger for refrigerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520592125.8U CN205002448U (en) | 2015-08-07 | 2015-08-07 | Helical structured microchannel heat exchanger for refrigerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205002448U true CN205002448U (en) | 2016-01-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520592125.8U Expired - Fee Related CN205002448U (en) | 2015-08-07 | 2015-08-07 | Helical structured microchannel heat exchanger for refrigerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205002448U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066523A (en) * | 2015-08-07 | 2015-11-18 | 江苏启江实业有限公司 | Spirally-structured micro-channel heat exchanger for refrigerator |
| CN112113382A (en) * | 2019-06-19 | 2020-12-22 | 青岛海尔电冰箱有限公司 | Refrigerator with improved condenser |
-
2015
- 2015-08-07 CN CN201520592125.8U patent/CN205002448U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105066523A (en) * | 2015-08-07 | 2015-11-18 | 江苏启江实业有限公司 | Spirally-structured micro-channel heat exchanger for refrigerator |
| CN112113382A (en) * | 2019-06-19 | 2020-12-22 | 青岛海尔电冰箱有限公司 | Refrigerator with improved condenser |
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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: 20160127 Termination date: 20180807 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |