CN104990317A - Refrigerator hollow-square shape structure micro channel heat exchanger - Google Patents
Refrigerator hollow-square shape structure micro channel heat exchanger Download PDFInfo
- Publication number
- CN104990317A CN104990317A CN201510483370.XA CN201510483370A CN104990317A CN 104990317 A CN104990317 A CN 104990317A CN 201510483370 A CN201510483370 A CN 201510483370A CN 104990317 A CN104990317 A CN 104990317A
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- CN
- China
- Prior art keywords
- heat exchanger
- micro
- refrigerator
- micro channel
- fin
- 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.)
- Pending
Links
- 238000005452 bending Methods 0.000 claims abstract description 11
- 239000003507 refrigerant Substances 0.000 claims abstract description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 6
- 108010074506 Transfer Factor Proteins 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 230000005855 radiation Effects 0.000 abstract 1
- 238000004804 winding Methods 0.000 abstract 1
- 230000007423 decrease Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 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
- 239000010949 copper Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 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
- 230000009466 transformation Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
- 230000005514 two-phase flow Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B39/00—Evaporators; Condensers
- F25B39/04—Condensers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D19/00—Arrangement or mounting of refrigeration units with respect to devices or objects to be refrigerated, e.g. infrared detectors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B2339/00—Details of evaporators; Details of condensers
- F25B2339/04—Details of condensers
- F25B2339/043—Condensers made by assembling plate-like or laminated elements
Abstract
A refrigerator hollow-square shape structure micro channel heat exchanger comprises micro channel flat tubes, radiating fins and a connecting pipe formed through bending; the radiation fins are arranged between the adjacent micro channel flat tubes; the connecting pipe is arranged on an inlet and an outlet of the micro channel flat tube; a uniquely designed hollow-square winding structure is employed so as to better replace an oblique reject fin type conventional condenser with a rectangular section; compared with the prior art, the refrigerator hollow-square shape structure micro channel heat exchanger can improve a heat transfer factor of a heat exchanger, thus reducing refrigerant injection amount and pipe application amount; the refrigerator hollow-square shape structure micro channel heat exchanger is simple in processing technology, convenient in assembling, and a structure and heat exchange performance are matched with an existing refrigerator system.
Description
Technical field
What the present invention relates to is a kind of technology of refrigeration for refrigerator field, the specifically three-back-shaped structure micro-channel heat exchanger of a kind of refrigerator.
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.
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.
Summary of the invention
The present invention is directed to prior art above shortcomings, propose the three-back-shaped structure micro-channel heat exchanger of a kind of refrigerator, adopt the three-back-shaped coiled structure of unique design, can substitute the finned uiform section of existing oblique repulsion is preferably the condenser of rectangle.The present invention can significantly improve 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.
The present invention is achieved by the following technical solutions:
The present invention includes: through the micro-channel flat of the three-back-shaped 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.
Described bending, bending times is at least one times, and in the micro-channel flat after bending, refrigerant flow direction changes 90 °.
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 tube connector schematic diagram of the present invention;
In figure: 1 micro-channel flat; 2 fin; 3 tube connectors; 4 microchannels.
Detailed description of the invention
Elaborate to embodiments of the invention below, the present embodiment is implemented under premised on technical solution of the present invention, give detailed embodiment and concrete operating process, but protection scope of the present invention 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 Back Word coiled structure shape, 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 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. the three-back-shaped structure micro-channel heat exchanger of refrigerator, it is characterized in that, comprise: through the micro-channel flat of the three-back-shaped 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. the three-back-shaped structure micro-channel heat exchanger of refrigerator according to claim 1, is characterized in that, described bending, and bending times is at least one times, and in the micro-channel flat after bending, refrigerant flow direction changes 90 °.
3. the three-back-shaped structure micro-channel heat exchanger of refrigerator 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 the described three-back-shaped structure micro-channel heat exchanger of refrigerator arbitrary in claims 1 to 3, it is characterized in that, in described micro-channel flat, be provided with 5 ~ 40 microchannels vertically.
5. the three-back-shaped structure micro-channel heat exchanger of refrigerator 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. the three-back-shaped structure micro-channel heat exchanger of refrigerator 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. the three-back-shaped structure micro-channel heat exchanger of refrigerator 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 |
|---|---|---|---|
| CN201510483370.XA CN104990317A (en) | 2015-08-07 | 2015-08-07 | Refrigerator hollow-square shape structure micro channel heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510483370.XA CN104990317A (en) | 2015-08-07 | 2015-08-07 | Refrigerator hollow-square shape structure micro channel heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104990317A true CN104990317A (en) | 2015-10-21 |
Family
ID=54302166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510483370.XA Pending CN104990317A (en) | 2015-08-07 | 2015-08-07 | Refrigerator hollow-square shape structure micro channel heat exchanger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104990317A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871495A (en) * | 2017-04-13 | 2017-06-20 | 江苏星星家电科技有限公司 | A kind of efficient refrigerator heat exchanger |
| CN107717355A (en) * | 2017-11-10 | 2018-02-23 | 厦门大学 | A kind of reactor microchannel manufacture method based on laser secondary operation |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2241219A7 (en) * | 1973-08-17 | 1975-03-14 | Bosch Siemens Hausgeraete | Force-ventilated condenser for compression refrigeration - comprising parallel tubular meanders linked at right angles to a trellis |
| US20060130517A1 (en) * | 2004-12-22 | 2006-06-22 | Hussmann Corporation | Microchannnel evaporator assembly |
| CN101437381A (en) * | 2007-08-16 | 2009-05-20 | 苏州天宁换热器有限公司 | Heat radiator |
| CN101614492A (en) * | 2009-06-15 | 2009-12-30 | 浙江康盛股份有限公司 | Micro-channel condenser |
| CN101672553A (en) * | 2009-09-25 | 2010-03-17 | 华南理工大学 | Parallel stream heat exchanger integrated with microchannel and outer fin |
| CN203405033U (en) * | 2013-06-28 | 2014-01-22 | 山东宏力空调设备有限公司 | Composite source heat pump unit |
| CN204301587U (en) * | 2013-10-17 | 2015-04-29 | 时界杰 | Revolve fin heat exchanger fixed mount and revolving the application in fin heat exchanger |
| CN104697246A (en) * | 2015-03-06 | 2015-06-10 | 特灵空调系统(中国)有限公司 | Microchannel evaporator, condenser and microchannel heat exchanger of microchannel evaporator |
| CN204880887U (en) * | 2015-08-07 | 2015-12-16 | 江苏启江实业有限公司 | Font structure microchannel heat exchanger is used again to refrigerator |
-
2015
- 2015-08-07 CN CN201510483370.XA patent/CN104990317A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2241219A7 (en) * | 1973-08-17 | 1975-03-14 | Bosch Siemens Hausgeraete | Force-ventilated condenser for compression refrigeration - comprising parallel tubular meanders linked at right angles to a trellis |
| US20060130517A1 (en) * | 2004-12-22 | 2006-06-22 | Hussmann Corporation | Microchannnel evaporator assembly |
| CN101437381A (en) * | 2007-08-16 | 2009-05-20 | 苏州天宁换热器有限公司 | Heat radiator |
| CN101614492A (en) * | 2009-06-15 | 2009-12-30 | 浙江康盛股份有限公司 | Micro-channel condenser |
| CN101672553A (en) * | 2009-09-25 | 2010-03-17 | 华南理工大学 | Parallel stream heat exchanger integrated with microchannel and outer fin |
| CN203405033U (en) * | 2013-06-28 | 2014-01-22 | 山东宏力空调设备有限公司 | Composite source heat pump unit |
| CN204301587U (en) * | 2013-10-17 | 2015-04-29 | 时界杰 | Revolve fin heat exchanger fixed mount and revolving the application in fin heat exchanger |
| CN104697246A (en) * | 2015-03-06 | 2015-06-10 | 特灵空调系统(中国)有限公司 | Microchannel evaporator, condenser and microchannel heat exchanger of microchannel evaporator |
| CN204880887U (en) * | 2015-08-07 | 2015-12-16 | 江苏启江实业有限公司 | Font structure microchannel heat exchanger is used again to refrigerator |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106871495A (en) * | 2017-04-13 | 2017-06-20 | 江苏星星家电科技有限公司 | A kind of efficient refrigerator heat exchanger |
| CN107717355A (en) * | 2017-11-10 | 2018-02-23 | 厦门大学 | A kind of reactor microchannel manufacture method based on laser secondary operation |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20151021 |