CN203758089U - Micro-channel heat exchanger and air conditioner with micro-channel heat exchanger - Google Patents
Micro-channel heat exchanger and air conditioner with micro-channel heat exchanger Download PDFInfo
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- CN203758089U CN203758089U CN201320881324.1U CN201320881324U CN203758089U CN 203758089 U CN203758089 U CN 203758089U CN 201320881324 U CN201320881324 U CN 201320881324U CN 203758089 U CN203758089 U CN 203758089U
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- 230000007704 transition Effects 0.000 claims abstract description 34
- 238000005192 partition Methods 0.000 claims description 31
- 239000003507 refrigerant Substances 0.000 abstract description 32
- 239000007788 liquid Substances 0.000 abstract description 19
- 239000007921 spray Substances 0.000 abstract description 4
- 238000009828 non-uniform distribution Methods 0.000 abstract 1
- 239000002826 coolant Substances 0.000 description 6
- 238000000926 separation method Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 241000784732 Lycaena phlaeas Species 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 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
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001839 systemic circulation Effects 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a micro-channel heat exchanger. The micro-channel heat exchanger comprises a left flow collecting pipe, a right flow collecting pipe and a plurality of flat pipes, wherein the flat pipes are arranged between the left flow collecting pipe and the right flow collecting pipe, and are communicated with the left flow collecting pipe and the right flow collecting pipe. The micro-channel heat exchanger is characterized in that a first baffle, a second baffle and a third baffle are sequentially arranged in the left flow collecting pipe from top to bottom and are used for separating the left flow collecting pipe into a chamber A, a chamber B, a chamber C and a chamber D; a fourth baffle, a fifth baffle and a sixth baffle are sequentially arranged in the right flow collecting pipe from top to bottom and are used for separating the right flow collecting pipe into a chamber E, a chamber F, a chamber G and a chamber H; a spray hole is formed in each of the second, fourth and sixth baffles; a first transition pipe is communicated between the chamber B and the chamber C, and a second transition pipe is communicated between the chamber E and the chamber F. The utility model also discloses an air conditioner with the micro-channel heat exchanger. The problem of non-uniform distribution of air-liquid refrigerants is solved, and the heat exchange efficiency of the heat exchanger is improved.
Description
Technical field
the utility model relates to a kind of heat-exchanger rig, is specifically related to a kind of micro-channel heat exchanger and applies the air-conditioner of this micro-channel heat exchanger.
Background technology
micro-channel heat exchanger, also referred to as microchannel, is exactly the heat exchanger of passage equivalent diameter at 1 0-1000 μ m, in the flat tube of this heat exchanger, there are tens of trickle runners, two ends and circular collector at flat tube are connected, and dividing plate is set in collector, and heat exchanger runner is separated into several flow processs.
micro-channel heat exchanger is due to compact conformation, and heat exchange efficiency is high, and the more common copper pipe fin type heat exchanger of cost has more advantage, is widely used in air-conditioning technical field as the condenser of single-cooling type air-conditioner.But, existing micro-channel heat exchanger there will be refrigerant to distribute uneven problem as the condenser of heat pump air conditioner when the heating operation: refrigerant is because gas-liquid separation to a certain degree can occur Action of Gravity Field in header, wherein gaseous coolant is easy to top space product poly-because density is little, liquid refrigerants is because density is easy to greatly deposit to lower space, and the degree of this gas-liquid separation is subject to the impact of refrigerant mass dryness fraction, in the time of the entrance of refrigerant in heat exchanger, mass dryness fraction is less, the shape body of refrigerant major part in gas-liquid mixed, gas-liquid separation is not obvious; Along with refrigerant fluid interchange mass dryness fraction in heat exchanger can slowly increase, can there is obvious gas-liquid separation phenomenon in refrigerant.When refrigerant occurs after obvious gas-liquid separation phenomenon, refrigerant can not be transported to equably in each flat heat exchange pipe and cause part flat heat exchange pipe to lack refrigerant and undue heat exchange, part flat heat exchange pipe refrigerant does not too much have abundant heat exchange, causes the overall heat exchange Efficiency Decreasing of heat exchanger.
Summary of the invention
the utility model object is to provide a kind of micro-channel heat exchanger and applies the air-conditioner of this micro-channel heat exchanger, by the improvement to structure, has solved gas-liquid refrigerant and has distributed uneven problem, has improved the heat exchange efficiency of heat exchanger.
the technical solution of the utility model is: a kind of micro-channel heat exchanger, comprise left header, right header and be arranged at a left side, a between right header and connection left side, some flat tubes of right header, in described left header, be provided with successively first from top to bottom, second and third partition, described left header is separated into A by described partition, B, C, tetra-chambers of D, in described right header, be provided with successively the 4th from top to bottom, the the 5th and the 6th partition, described right header is separated into E by described partition, F, G, tetra-chambers of H, described second, on the 4th and the 6th partition, offer respectively spray-hole, between described B chamber and C chamber, between E chamber and F chamber, be communicated with respectively First Transition pipe and the second transition conduit.
further technical scheme, described First Transition pipe is identical with the internal diameter of the second transition conduit, and the cross section of described First Transition pipe and the second transition conduit is greater than the cross section of described spray-hole.
further technical scheme, described second, the 4th and the sectional area of the spray-hole of the 6th partition diminish successively.
further technical scheme, in described left header outside, be positioned at A chamber medium position and be communicated with and be provided with the first conduit with described A chamber.
further technical scheme, in described left header outside, be positioned at D chamber upper position and be communicated with and be provided with the second conduit with described D chamber.
further technical scheme, described First Transition pipe two ends connect respectively B chamber top and C chamber bottom.
further technical scheme, described the second transition conduit two ends connect respectively E chamber top and F chamber bottom.
further technical scheme, is provided with fin between described some flat tubes.
a kind of air-conditioner that adopts the micro-channel heat exchanger as described in above-mentioned any one
the utility model has the advantages that: the utility model is separated into multiple chambers by partition is set in header by header, on partition, offer spray-hole, between chamber and chamber, transition conduit is set, when refrigerant occurs after gas-liquid layering, liquid refrigerants or gaseous coolant enter next chamber by the spray-hole on dividing plate or transition conduit, the refrigerant of two states can again mix under Action of Gravity Field, be transported in each flat heat exchange pipe thereby refrigerant can be distributed uniformly, improve the overall heat exchange efficiency of heat exchanger.
Brief description of the drawings
below in conjunction with drawings and Examples, the utility model is further described:
fig. 1 is the structural representation of the utility model embodiment mono-.
wherein: 1, left header; 2, right header; 3, flat tube; 4, the first partition; 5, the second partition; 6, Three-spacer; 7, A chamber; 8, B chamber; 9, C chamber; 10, D chamber; 11, the 4th partition; 12, the 5th partition; 13, the 6th partition; 14, E chamber; 15, F chamber; 16, G chamber; 17, H chamber; 18, spray-hole; 19, First Transition pipe; 20, the second transition conduit; 21, the first conduit; 22, the second conduit; 23, fin.
Detailed description of the invention
embodiment mono-: shown in Figure 1, a kind of micro-channel heat exchanger, comprises left header 1, right header 2 and be arranged at a left side, a between right header and connection left side, the some flat tubes 3 of right header, are provided with fin 23 between described some flat tubes 3, in described left header 1, are provided with successively first from top to bottom, second and third partition 4, 5, 6, described left header is separated into A by described partition, B, C, tetra-chambers 7 of D, 8, 9, 10, in described right header 2, be provided with successively the 4th from top to bottom, the the 5th and the 6th partition 11, 12, 13, described right header is separated into E by described partition, F, G, tetra-chambers 14 of H, 15, 16, 17, described second, the the 4th and the 6th partition 5, 11, on 13, offer respectively spray-hole 18, between described B chamber 8 and C chamber 9, between E chamber 14 and F chamber 15, be communicated with respectively First Transition pipe 19 and the second transition conduit 20, described First Transition 19 is managed two ends and is connected respectively B chamber 8 tops and C chamber 9 bottoms, and described the second transition conduit 20 two ends connect respectively E chamber 14 tops and F chamber 15 bottoms.
described First Transition pipe 19 is identical with the internal diameter of the second transition conduit 20, and the cross section of described First Transition pipe 19 and the second transition conduit 20 is greater than the cross section of described spray-hole 18, the sectional area of the spray-hole of described second, the 4th and the 6th partition 5,11,13 diminishes successively.
in described left header 1 outside, be positioned at A chamber 7 medium positions and be communicated with and be provided with the first conduit 21 with described A chamber, in described left header 1 outside, be positioned at D chamber 10 upper positions and be communicated with and be provided with the second conduit 22 with described D chamber.
a kind of air-conditioner that adopts the micro-channel heat exchanger as described in above-mentioned any one.
in the time that air-conditioner carries out refrigerating operaton, the cold media gas of HTHP enters left header A chamber by the first conduit, after the heat exchange of flat tube inner condenser, enter right header E chamber, condensed liquid refrigerants enters right header F chamber by the spray-hole on the 4th partition, gaseous coolant enters right header F chamber by the second transition conduit, and both enter after mixing, and flat tube is interior to be continued condensing heat-exchange and enter left header B chamber.Similarly, liquid refrigerants enters left header C chamber by the spray-hole on the second partition, gaseous coolant enters left header C chamber by First Transition pipe, both enter flat intraductal heat exchange after mixing again, enter afterwards right header G chamber, enter H chamber by the spray-hole on the 6th partition again, refrigerant continues to become high-pressure sub-cooled liquid and enter at flat intraductal heat exchange the D chamber of left header, finally flows out condenser by the second conduit and enters in system and circulate.
in the time that air-conditioning carries out heating operation, refrigerant flow direction is contrary during with refrigerating operaton.Gas-liquid two-phase state refrigerant enters left header D chamber from the second conduit, in flat tube, after evaporation and heat-exchange, enter right header H chamber, at this moment the gas-liquid mixed shape refrigerant of certain mass dryness fraction upwards sprays conveying refrigerant by the spray-hole on the 6th partition, the refrigerant that injection enters right header G chamber evenly enters continuation heat exchange in flat tube, enter into again the C chamber of left header, there is the gas-liquid separation imagination to a certain degree in refrigerant at this time, C chamber top gaseous coolant upwards sprays refrigerant by the spray-hole on the second partition, lower liquid refrigerant enters left header B chamber by First Transition pipe, two parts refrigerant evenly enters into continuation evaporation and heat-exchange in flat tube after mixing, enter afterwards right header F chamber.Similarly, the gaseous coolant on F chamber top upwards sprays refrigerant by the spray-hole on the 4th partition, the liquid refrigerants of bottom enters right header E chamber by the second transition conduit, both evenly enter into and in flat tube, flash to overheated gas and enter left header A chamber after mixing, and finally leave heat exchanger by the first conduit and enter systemic circulation.
certainly above-described embodiment is only explanation technical conceive of the present utility model and feature, and its object is to allow person skilled in the art can understand content of the present utility model and implement according to this, can not limit protection domain of the present utility model with this.All modifications of doing according to the Spirit Essence of the utility model main technical schemes, within all should being encompassed in protection domain of the present utility model.
Claims (9)
1. a micro-channel heat exchanger, comprise left header (1), right header (2) and be arranged at a left side, a between right header and connection left side, the some flat tubes (3) of right header, it is characterized in that: in described left header (1), be provided with successively first from top to bottom, second and third partition (4, 5, 6), described left header (1) is separated into A by described partition, B, C, tetra-chambers (7 of D, 8, 9, 10), in described right header (2), be provided with successively the 4th from top to bottom, the the 5th and the 6th partition (11, 12, 13), described right header (2) is separated into E by described partition, F, G, tetra-chambers (14 of H, 15, 16, 17), described second, on the 4th and the 6th partition, offer respectively spray-hole (18), between described B chamber (8) and C chamber (9), between E chamber (14) and F chamber (15), be communicated with respectively First Transition pipe (19) and the second transition conduit (20).
2. a kind of micro-channel heat exchanger according to claim 1, it is characterized in that: described First Transition pipe (19) is identical with the internal diameter of the second transition conduit (20), and the cross section of described First Transition pipe (19) and the second transition conduit (20) is greater than the cross section of described spray-hole (18).
3. a kind of micro-channel heat exchanger according to claim 1, is characterized in that: described second, the 4th and the sectional area of the spray-hole of the 6th partition diminish successively.
4. a kind of micro-channel heat exchanger according to claim 1, is characterized in that: outside at described left header (1), be positioned at A chamber medium position and be communicated with and be provided with the first conduit (21) with described A chamber (7).
5. a kind of micro-channel heat exchanger according to claim 1, is characterized in that: outside at described left header (1), be positioned at D chamber upper position and be communicated with and be provided with the second conduit (22) with described D chamber (10).
6. a kind of micro-channel heat exchanger according to claim 1, is characterized in that: described First Transition pipe two ends connect respectively B chamber top and C chamber bottom.
7. a kind of micro-channel heat exchanger according to claim 1, is characterized in that: described the second transition conduit two ends connect respectively E chamber top and F chamber bottom.
8. a kind of micro-channel heat exchanger according to claim 1, is characterized in that: between described some flat tubes (3), be provided with fin (23).
9. the air-conditioner of the employing micro-channel heat exchanger as described in claim 1-8 any one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881324.1U CN203758089U (en) | 2013-12-30 | 2013-12-30 | Micro-channel heat exchanger and air conditioner with micro-channel heat exchanger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320881324.1U CN203758089U (en) | 2013-12-30 | 2013-12-30 | Micro-channel heat exchanger and air conditioner with micro-channel heat exchanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203758089U true CN203758089U (en) | 2014-08-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320881324.1U Expired - Fee Related CN203758089U (en) | 2013-12-30 | 2013-12-30 | Micro-channel heat exchanger and air conditioner with micro-channel heat exchanger |
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| CN (1) | CN203758089U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406332A (en) * | 2014-11-04 | 2015-03-11 | 美的集团武汉制冷设备有限公司 | Parallel flow heat exchanger and air conditioner |
| CN105180518A (en) * | 2015-09-15 | 2015-12-23 | 珠海格力电器股份有限公司 | Collecting pipe, micro-channel heat exchanger with collecting pipe and air conditioning system |
| CN105299966A (en) * | 2015-11-17 | 2016-02-03 | 珠海格力电器股份有限公司 | Microchannel heat exchanger and air conditioner |
| CN108712852A (en) * | 2018-07-12 | 2018-10-26 | 厦门大学 | A kind of microchannel heat sink of gas-liquid two-phase mixing jetting |
| CN109458853A (en) * | 2018-11-08 | 2019-03-12 | 北京交通大学 | A kind of condensing heat exchanger with U-shaped vapor-liquid separating structure |
| CN110500812A (en) * | 2019-09-16 | 2019-11-26 | 珠海格力电器股份有限公司 | Microchannel heat exchanger and heat pump system |
| CN111721144A (en) * | 2020-07-23 | 2020-09-29 | 珠海格力电器股份有限公司 | Microchannel Heat Exchangers and Air Conditioners |
| CN112146467A (en) * | 2020-10-09 | 2020-12-29 | 珠海格力电器股份有限公司 | Microchannel heat exchanger and air conditioner |
| CN110500812B (en) * | 2019-09-16 | 2025-04-15 | 珠海格力电器股份有限公司 | Microchannel heat exchanger and heat pump system |
-
2013
- 2013-12-30 CN CN201320881324.1U patent/CN203758089U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104406332A (en) * | 2014-11-04 | 2015-03-11 | 美的集团武汉制冷设备有限公司 | Parallel flow heat exchanger and air conditioner |
| CN105180518A (en) * | 2015-09-15 | 2015-12-23 | 珠海格力电器股份有限公司 | Collecting pipe, micro-channel heat exchanger with collecting pipe and air conditioning system |
| CN105180518B (en) * | 2015-09-15 | 2018-09-18 | 珠海格力电器股份有限公司 | Collecting pipe, micro-channel heat exchanger with collecting pipe and air conditioning system |
| CN105299966A (en) * | 2015-11-17 | 2016-02-03 | 珠海格力电器股份有限公司 | Microchannel heat exchanger and air conditioner |
| CN108712852A (en) * | 2018-07-12 | 2018-10-26 | 厦门大学 | A kind of microchannel heat sink of gas-liquid two-phase mixing jetting |
| CN108712852B (en) * | 2018-07-12 | 2019-07-30 | 厦门大学 | A kind of microchannel heat sink of gas-liquid two-phase mixing jetting |
| CN109458853A (en) * | 2018-11-08 | 2019-03-12 | 北京交通大学 | A kind of condensing heat exchanger with U-shaped vapor-liquid separating structure |
| CN110500812A (en) * | 2019-09-16 | 2019-11-26 | 珠海格力电器股份有限公司 | Microchannel heat exchanger and heat pump system |
| CN110500812B (en) * | 2019-09-16 | 2025-04-15 | 珠海格力电器股份有限公司 | Microchannel heat exchanger and heat pump system |
| CN111721144A (en) * | 2020-07-23 | 2020-09-29 | 珠海格力电器股份有限公司 | Microchannel Heat Exchangers and Air Conditioners |
| CN112146467A (en) * | 2020-10-09 | 2020-12-29 | 珠海格力电器股份有限公司 | Microchannel heat exchanger and air conditioner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215137 Shun Lok Road, Taiping Industrial Park, Suzhou, Jiangsu, Xiangcheng District Patentee after: Suzhou black shield environmental Limited by Share Ltd Address before: 215137 Shun Lok Road, Taiping Industrial Park, Suzhou, Jiangsu, Xiangcheng District Patentee before: Hayden Thermal Technology (Suzhou) Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140806 Termination date: 20201230 |