CN104180564A - Air conditioner and heat exchanger thereof - Google Patents
Air conditioner and heat exchanger thereof Download PDFInfo
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- CN104180564A CN104180564A CN201410460708.5A CN201410460708A CN104180564A CN 104180564 A CN104180564 A CN 104180564A CN 201410460708 A CN201410460708 A CN 201410460708A CN 104180564 A CN104180564 A CN 104180564A
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- heat exchanger
- branch road
- air
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- 239000003507 refrigerant Substances 0.000 claims abstract description 50
- 238000010079 rubber tapping Methods 0.000 claims description 33
- 230000008676 import Effects 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 abstract description 18
- WYTGDNHDOZPMIW-RCBQFDQVSA-N alstonine Natural products C1=CC2=C3C=CC=CC3=NC2=C2N1C[C@H]1[C@H](C)OC=C(C(=O)OC)[C@H]1C2 WYTGDNHDOZPMIW-RCBQFDQVSA-N 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 3
- 238000004378 air conditioning Methods 0.000 description 2
- 238000009529 body temperature measurement Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000012546 transfer Methods 0.000 description 2
- 238000012937 correction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The invention provides an air conditioner and a heat exchanger thereof, wherein the heat exchanger comprises: the shell is arranged on the heat exchange tube of the shell, wherein the heat exchange tube forms a plurality of shunting branches which are sequentially distributed along the height direction of the shell; the bottom part branch positioned at the bottom end of the shell comprises: the refrigerant inlet of the bottom part of the flow branch is arranged on the first branch section, and the refrigerant outlet of the bottom part of the flow branch is arranged on the third branch section; along the height direction of the shell, the first branch road section is positioned at the bottom end of the second branch road section, and the second branch road section is positioned at the bottom end of the third branch road section; at the end of the bottom part of the flow branch, the flow path of the first branch section is U-shaped, the flow path of the second branch section is serpentine, and the flow path of the third branch section is inverted U-shaped. Above-mentioned heat exchanger has strengthened the heating to the casing bottom cold air, has improved the bottom air-out temperature of air conditioner to reduce the air-out difference in temperature of air outlet, improved the heating performance of air conditioner.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly, relate to a kind of air-conditioner and heat exchanger thereof.
Background technology
In air-conditioner, the indoor set of erect-type through-flow fan blade air-conditioning has a plurality of air outlets conventionally, heats in process, and cold air, after indoor heat exchanger, is directly discharged from air outlet.At present, in indoor heat exchanger, refrigerant flow is inverted U, and as shown in Figure 1, heat exchanger comprises a plurality of diverter branch 11, and to bottom, distribute successively from top, the diverter branch 11 that is positioned at heat exchanger bottom, high-temperature gas refrigerant is according to inverted U flow path, concrete, high-temperature gas refrigerant flows into from refrigerant import 111, along inverted U stream, first upwards flow, then flow downward, finally from refrigerant exit 112, flow out.In flow process, cold air and the heat exchange of high-temperature gas refrigerant, cold air is heated to be hot-air, and high-temperature gas refrigerant is cooled to liquid refrigerants.
In refrigerant flow process, refrigerant temperature reduces gradually, for bottom tapping branch road, when refrigerant flow to the back segment of bottom tapping branch road, the temperature of refrigerant is lower, causes cold air to can not get effective heating, make the leaving air temp at this place lower, the temperature difference of air outlet extreme higher position and extreme lower position is larger, and maximum temperature difference can reach 16 ℃, causes the heating performance of air-conditioner lower.
In sum, how improving the bottom leaving air temp of air-conditioner, to reduce the air-out temperature difference of air outlet, improve the heating performance of air-conditioner, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of heat exchanger, improve the bottom leaving air temp of air-conditioner, to reduce the air-out temperature difference of air outlet, improve the heating performance of air-conditioner.Another object of the present invention is to provide a kind of air-conditioner with above-mentioned heat exchanger.
To achieve these goals, the invention provides following technical scheme:
A heat exchanger, comprising: housing, be arranged at the heat exchanger tube of described housing, and wherein, described heat exchanger tube forms some diverter branch that distribute successively along described housing short transverse; The bottom tapping branch road that is positioned at described housing bottom comprises: first section, second section and the 3rd section that are communicated with successively, the refrigerant import of described bottom tapping branch road is arranged at described first section, and the refrigerant exit of described bottom tapping branch road is arranged at described the 3rd section; Along the short transverse of described housing, described the first branch road section is positioned at the bottom in described second section, and described the second branch road section is positioned at the bottom in described the 3rd section; In the end of described bottom tapping branch road, the stream in described first section becomes to be U-shaped, and the stream in described second section is snakelike line style, and the stream in described the 3rd section is inverted U.
Preferably, in above-mentioned heat exchanger, described refrigerant import is positioned at the windward side of described bottom tapping branch road, and described refrigerant exit is positioned at the leeward side of described bottom tapping branch road.
Preferably, in above-mentioned heat exchanger, described housing is U-shaped perpendicular to the cross section of its short transverse.
Preferably, in above-mentioned heat exchanger, described heat exchanger tube is U-shaped pipe, and two connected described U-shaped pipes are communicated with by U-shaped elbow.
Preferably, in above-mentioned heat exchanger, the flow path length in the flow path length in first section and described the 3rd section is all less than the flow path length in described second section.
Preferably, in above-mentioned heat exchanger, the flow path length in the flow path length in first section and described the 3rd section equates.
Preferably, in above-mentioned heat exchanger, in the end of described bottom tapping branch road, the stream of the top diverter branch on described bottom tapping branch road top is inverted U.
Preferably, in above-mentioned heat exchanger, the number of described diverter branch is at least three.
Based on the above-mentioned heat exchanger providing, the present invention also provides a kind of air-conditioner, and this air-conditioner comprises: indoor heat exchanger and outdoor heat exchanger, wherein, described indoor heat exchanger is the heat exchanger described in above-mentioned any one.
In heat exchanger provided by the invention, the operation principle of bottom tapping branch road is: refrigerant flows into first section from refrigerant import, along being U-shaped flow path, refrigerant first flows to housing bottom, to case top, flow again, like this, make the refrigerant temperature of housing bottom higher, effectively strengthened the heating to housing bottom cold air; Then refrigerant enters second section, and along the flow path that is snakelike line style, refrigerant flows between leeward side and windward side and upwards, like this, has also improved the heating effect to housing bottom cold air; Last refrigerant enters the 3rd section, and along the flow path of inverted U, refrigerant flows to the top of housing from the bottom of housing, then to the flows of housing.
From above-mentioned operation principle, heat exchanger provided by the invention, by the separated branch road in bottom is designed to be first section of U-shaped stream, the combination that is second section of snakelike line style stream and is the 3rd section of inverted U stream, effectively strengthened the heating to housing bottom cold air, improved the bottom leaving air temp of air-conditioner, thereby reduced the air-out temperature difference of air outlet, improved the heating performance of air-conditioner.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skills, do not paying under the prerequisite of creative work, other accompanying drawing can also be provided according to the accompanying drawing providing.
The structural representation of the heat exchanger that Fig. 1 provides for prior art;
The front view of the heat exchanger that Fig. 2 provides for the embodiment of the present invention;
Fig. 3 is the enlarged diagram of A part in Fig. 2;
The top view of the heat exchanger that Fig. 4 provides for the embodiment of the present invention;
The air outlet temperature measurement location distribution schematic diagram of the air-conditioner that Fig. 5 provides for the embodiment of the present invention.
In upper Fig. 1-5:
11 is that diverter branch, 111 is that refrigerant import, 112 is that refrigerant exit, 21 is that housing, 22 is that heat exchanger tube, 23 is that diverter branch, 24 is that bottom tapping branch road, 241 is that first section, 242 is that second section, 243 is that the 3rd section, 244 is that refrigerant import, 245 is refrigerant exit.
The specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figures 2 and 3, the heat exchanger that the embodiment of the present invention provides, comprising: housing 21, be arranged at the heat exchanger tube 22 of housing 21, and wherein, heat exchanger tube 22 forms some diverter branch 23 that distribute successively along housing 21 short transverses; The bottom tapping branch road 24 that is positioned at housing 21 bottoms comprises: first section being communicated with successively 241, second section 242 and the 3rd section 243, the refrigerant import 244 of bottom tapping branch road 24 is arranged at first section 241, and the refrigerant exit 245 of bottom tapping branch road 24 is arranged at the 3rd section 243; Along the short transverse of housing 21, first section 241 is positioned at the bottom in second section 242, and second section 242 is positioned at the bottom in the 3rd section 243; In the end of bottom tapping branch road 24, the stream in first section 241 becomes to be U-shaped, and the stream in second section 242 is snakelike line style, and the stream in the 3rd section 243 is inverted U.
Be understandable that, refrigerant import 244 is arranged at the port in first section 241, and refrigerant exit 245 is arranged at the port in the 3rd section 243.End at bottom tapping branch road 24, the stream in first section 241 becomes to be U-shaped, the stream in second section 242 is snakelike line style, the stream in the 3rd section 243 is inverted U, specifically refer to, in the face of the end of bottom tapping branch road 24, the stream in first section 241 becomes to be U-shaped, the stream in second section 242 is snakelike line style, and the stream in the 3rd section 243 is inverted U.
Need to have a talk about brightly, in Fig. 2 and Fig. 3, the line that connects heat exchanger tube 22 represents stream.
In the heat exchanger that the embodiment of the present invention provides, the operation principle of bottom tapping branch road 24 is: refrigerant flows into first section 241 from refrigerant import 244, along being U-shaped flow path, refrigerant is first to housing 21 flows, to housing 21 tops, flow again, like this, make the refrigerant temperature of housing 21 bottoms higher, effectively strengthened the heating to housing 21 bottom cold airs; Then refrigerant enters second section 242, and along the flow path that is snakelike line style, refrigerant flows between leeward side and windward side and upwards, like this, has also improved the heating effect to housing 21 bottom cold airs; Last refrigerant enters the 3rd section 243, and along the flow path of inverted U, refrigerant flows to the top of housing 21 from the bottom of housing 21, then to the flows of housing 21.
From above-mentioned operation principle, the heat exchanger that the embodiment of the present invention provides, by the separated branch road 24 in bottom is designed to be first section 241 of U-shaped stream, the combination that is second section 242 of snakelike line style stream and is the 3rd section 243 of inverted U stream, effectively strengthened the heating to housing 21 bottom cold airs, improved the bottom leaving air temp of air-conditioner, thereby reduced the air-out temperature difference of air outlet, improved the heating performance of air-conditioner.
Further, the heat exchanger that above-described embodiment provides, refrigerant import 244 is positioned at the windward side of bottom tapping branch road 24, and refrigerant exit 245 is positioned at the leeward side of bottom tapping branch road 24.Like this, make high temperature refrigerant first heat cold air, through the refrigerant of lowering the temperature, heat again the cold air through heating, effectively improved the efficiency of heating surface, thereby improved the bottom leaving air temp of air-conditioner, thereby improved the heating performance of air-conditioner.Be understandable that, in order to improve the whole leaving air temp of air-conditioner, the import of all diverter branch 23 is arranged on to windward side, the outlet of diverter branch 23 is arranged on leeward side.
In the heat exchanger that above-described embodiment provides, the profile of housing 21 can be set according to actual needs, in order to reduce the shared space of heat exchanger, preferentially select housing 21 perpendicular to the cross section of its short transverse be U-shaped, as shown in Figure 4.Be understandable that, it is U-shaped that the top of housing 21 and bottom are all.Certainly, also can also can select linearly type of housing 21, be not limited to this.
Preferably, in the heat exchanger that above-described embodiment provides, heat exchanger tube 22 is U-shaped pipe, and two connected U-shaped pipes 22 are communicated with by U-shaped elbow.Certainly, also can select according to actual needs heat exchanger tube 22 for other shapes, be not limited to this, for example, can select heat exchanger tube 22 for straight tube, two connected straight tubes are communicated with by U-shaped elbow, just make like this installation more loaded down with trivial details, manufacture efficiency lower.
In order effectively to improve the bottom leaving air temp of housing 21, in the heat exchanger that above-described embodiment provides, the flow path length in the flow path length in first section 241 and the 3rd section 243 is all less than the flow path length in second section 242.Further, the flow path length in the flow path length in first section 241 and the 3rd section 243 equates.Certainly, the flow path length in first section 241 also can be set according to actual needs, the flow path length in the flow path length in second section 242 and the 3rd section 243, the embodiment of the present invention is not done concrete restriction to this.
Preferably, in the heat exchanger that above-described embodiment provides, in the end of bottom tapping branch road 24, the stream of the top diverter branch on bottom tapping branch road 24 tops is inverted U.Certainly, the stream of top diverter branch is U-shaped, or the top diverter branch that is inverted U stream is alternately distributed with the top diverter branch that is U-shaped stream.Be understandable that, diverter branch 23 comprises bottom tapping branch road 24 and top diverter branch, and wherein, bottom tapping branch road 24 is positioned at the top of top diverter branch.
In the heat exchanger that above-described embodiment provides, need to, according to required heat transfer effect, the number of diverter branch 23 be set.Preferably, the number of diverter branch 23 is at least three.In order to improve heat transfer effect, preferentially select the stream of all diverter branch 23 to equate.
The heat exchanger providing based on above-described embodiment, the embodiment of the present invention also provides a kind of air-conditioner, and this air-conditioner comprises: indoor heat exchanger and outdoor heat exchanger, wherein, described indoor heat exchanger is the heat exchanger described in above-described embodiment.Be understandable that, the bottom of heat exchanger is the bottom of air-conditioner.
The heat exchanger providing due to above-described embodiment has above-mentioned technique effect, and the air-conditioner that the embodiment of the present invention provides has above-mentioned heat exchanger, and the air-conditioner that embodiment of the present invention provides also has corresponding technique effect, repeats no more herein.
The air-conditioner that adopts prior art to provide, this air-conditioner has the heat exchanger that prior art provides, and the air-conditioner that provides of the embodiment of the present invention, test, detect the leaving air temp in air port, concrete, air outlet temperature measurement location as shown in Figure 5, contrast the leaving air temp in air port, correction data as shown in Table 1.
Table one test data
From the test data of table one, bottom leaving air temp is increased to 46.2 ℃ by original 35.8 ℃, has improved 10.4 ℃, obviously, has effectively improved bottom leaving air temp, has reduced the air-out temperature difference, has improved the heating performance of air-conditioner.
Above-mentioned explanation to the disclosed embodiments, makes those skilled in the art can realize or use the present invention.To the multiple modification of these embodiment, will be apparent for a person skilled in the art, General Principle as defined herein can, in the situation that not departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (9)
1. a heat exchanger, comprise: housing (21), be arranged at the heat exchanger tube (22) of described housing (21), wherein, described heat exchanger tube (22) forms some diverter branch (23) that distribute successively along described housing (21) short transverse; It is characterized in that, the bottom tapping branch road (24) that is positioned at described housing (21) bottom comprising: first section (241), second section (242) and the 3rd section (243) that are communicated with successively, the refrigerant import (244) of described bottom tapping branch road (24) is arranged at described first section (241), and the refrigerant exit (245) of described bottom tapping branch road (24) is arranged at described the 3rd section (243); Along the short transverse of described housing (21), described first section (241) is positioned at the bottom in described second section (242), and described second section (242) is positioned at the bottom in described the 3rd section (243); In the end of described bottom tapping branch road (24), the stream in described first section (241) becomes to be U-shaped, and the stream in described second section (242) is snakelike line style, and the stream in described the 3rd section (243) is inverted U.
2. heat exchanger according to claim 1, it is characterized in that, described refrigerant import (244) is positioned at the windward side of described bottom tapping branch road (24), and described refrigerant exit (245) is positioned at the leeward side of described bottom tapping branch road (24).
3. heat exchanger according to claim 1, is characterized in that, described housing (21) is U-shaped perpendicular to the cross section of its short transverse.
4. heat exchanger according to claim 1, is characterized in that, described heat exchanger tube (22) is U-shaped pipe, and two connected described U-shaped pipes are communicated with by U-shaped elbow.
5. heat exchanger according to claim 1, is characterized in that, the flow path length in the flow path length in first section (241) and described the 3rd section (243) is all less than the flow path length in described second section (242).
6. heat exchanger according to claim 5, is characterized in that, the flow path length in the flow path length in first section (241) and described the 3rd section (243) equates.
7. heat exchanger according to claim 1, is characterized in that, in the end of described bottom tapping branch road (24), the stream of the top diverter branch on described bottom tapping branch road (24) top is inverted U.
8. heat exchanger according to claim 1, is characterized in that, the number of described diverter branch (23) is at least three.
9. an air-conditioner, comprising: indoor heat exchanger and outdoor heat exchanger, it is characterized in that, and described indoor heat exchanger is the heat exchanger as described in any one in claim 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460708.5A CN104180564A (en) | 2014-09-11 | 2014-09-11 | Air conditioner and heat exchanger thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410460708.5A CN104180564A (en) | 2014-09-11 | 2014-09-11 | Air conditioner and heat exchanger thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104180564A true CN104180564A (en) | 2014-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410460708.5A Pending CN104180564A (en) | 2014-09-11 | 2014-09-11 | Air conditioner and heat exchanger thereof |
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| CN (1) | CN104180564A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084631A (en) * | 2017-05-18 | 2017-08-22 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioning equipment |
| CN109539515A (en) * | 2017-07-31 | 2019-03-29 | 广东美的制冷设备有限公司 | The method for arranging of separated wall hanging type air conditioner leaving air temp temperature measuring point |
| CN110108064A (en) * | 2019-05-20 | 2019-08-09 | 上海利正卫星应用技术有限公司 | The equally distributed evaporator of temperature |
| CN114543319A (en) * | 2022-01-20 | 2022-05-27 | 青岛海尔空调器有限总公司 | Air conditioner air outlet method and device, air conditioner and storage medium |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH094867A (en) * | 1995-06-19 | 1997-01-10 | Mitsubishi Electric Corp | Air conditioner |
| JP2000081255A (en) * | 1998-09-07 | 2000-03-21 | Sanyo Electric Co Ltd | Heat-exchanger |
| CN2672546Y (en) * | 2003-12-11 | 2005-01-19 | 河南新飞电器有限公司 | Air conditioner finned tube heat exchanger |
| CN201621905U (en) * | 2010-03-11 | 2010-11-03 | 珠海格力电器股份有限公司 | Novel vertical air conditioner evaporator and vertical air conditioner |
| CN102252369A (en) * | 2010-05-21 | 2011-11-23 | 珠海格力电器股份有限公司 | Floor air conditioner and method for removing accumulated water on electric heater therein |
| CN202757351U (en) * | 2012-04-01 | 2013-02-27 | Tcl空调器(中山)有限公司 | Heat exchanger and air conditioner |
-
2014
- 2014-09-11 CN CN201410460708.5A patent/CN104180564A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH094867A (en) * | 1995-06-19 | 1997-01-10 | Mitsubishi Electric Corp | Air conditioner |
| JP2000081255A (en) * | 1998-09-07 | 2000-03-21 | Sanyo Electric Co Ltd | Heat-exchanger |
| CN2672546Y (en) * | 2003-12-11 | 2005-01-19 | 河南新飞电器有限公司 | Air conditioner finned tube heat exchanger |
| CN201621905U (en) * | 2010-03-11 | 2010-11-03 | 珠海格力电器股份有限公司 | Novel vertical air conditioner evaporator and vertical air conditioner |
| CN102252369A (en) * | 2010-05-21 | 2011-11-23 | 珠海格力电器股份有限公司 | Floor air conditioner and method for removing accumulated water on electric heater therein |
| CN202757351U (en) * | 2012-04-01 | 2013-02-27 | Tcl空调器(中山)有限公司 | Heat exchanger and air conditioner |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107084631A (en) * | 2017-05-18 | 2017-08-22 | 珠海格力电器股份有限公司 | Heat exchanger and air conditioning equipment |
| CN109539515A (en) * | 2017-07-31 | 2019-03-29 | 广东美的制冷设备有限公司 | The method for arranging of separated wall hanging type air conditioner leaving air temp temperature measuring point |
| CN110108064A (en) * | 2019-05-20 | 2019-08-09 | 上海利正卫星应用技术有限公司 | The equally distributed evaporator of temperature |
| CN114543319A (en) * | 2022-01-20 | 2022-05-27 | 青岛海尔空调器有限总公司 | Air conditioner air outlet method and device, air conditioner and storage medium |
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Application publication date: 20141203 |
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