CN202885638U - Heat exchanger and air conditioner - Google Patents
Heat exchanger and air conditioner Download PDFInfo
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- CN202885638U CN202885638U CN 201220545476 CN201220545476U CN202885638U CN 202885638 U CN202885638 U CN 202885638U CN 201220545476 CN201220545476 CN 201220545476 CN 201220545476 U CN201220545476 U CN 201220545476U CN 202885638 U CN202885638 U CN 202885638U
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Abstract
The utility model discloses a heat exchanger and an air conditioner provided with the heat exchanger. The heat exchanger comprises a left flow collecting tube, a right flow collecting tube and a plurality of flat tubes parallelly arranged, and the flat pipes are communicated with the left flow collecting tube and the right flow collecting tube. The heat exchanger is characterized in that the left flow collecting tube is separated through a first separating plate to form a first left cavity chamber and a second left cavity chamber, the right flow collecting tube comprises a first right cavity chamber and a second right cavity chamber, wherein the first left cavity chamber and the first right cavity chamber are communicated through the flat tubes, and the second left cavity chamber and the second right cavity chamber are communicated through the flat tubes; and a connecting tube is arranged in the right flow collecting tube and located on the side wall of the corresponding cavity chamber, and a plurality of through holes are formed in the side wall of the corresponding cavity chamber to communicate the first right cavity chamber and the second right cavity chamber. According to the heat exchanger and the air conditioner, the size of the heat exchanger is reduced, and the installation difficulty of the heat exchanger is lowered.
Description
Technical field
The utility model relates to air-conditioning technical field, particularly a kind of heat exchanger and air-conditioner.
Background technology
At present in the air-conditioning industry field of heat exchangers, micro-channel parallel flow heat exchanger is high with its coefficient of heat transfer, compact conformation, cost are low, refrigerant rushes the advantages such as fluence is few and become the focus of research.Yet the coolant distribution inequality becomes the huge obstacle that limits its development and application.In the prior art, micro-channel parallel flow heat exchanger comprises left header and right header, and its right header comprises upper right chamber and the bottom right chamber of mutual separation.Impartial in order to guarantee shunting, as usually upper right chamber and bottom right chamber all to be gone out equal number by baffle for separating sub-chamber, and external tube connector with each sub-chamber in the upper right chamber be connected that each sub-chamber of bottom chamber is corresponding to be connected.Because thereby external tube connector causes the volume of micro-channel parallel flow heat exchanger larger, therefore so that the increase of the installation difficulty of micro-channel parallel flow heat exchanger.
The utility model content
Main purpose of the present utility model is to provide a kind of heat exchanger, is intended to reduce the volume of heat exchanger, reduces the installation difficulty of heat exchanger.
To achieve these goals, the utility model provides a kind of heat exchanger, this heat exchanger comprises left header, right header and some flat tubes that be arranged in parallel, this flat tube is communicated with described left header and right header, described left header forms the first left chamber and the second left chamber by the first baffle for separating, described right header comprises the first right chamber and the second right chamber, wherein
Described the first left chamber is communicated with by described flat tube with the first right chamber, and described the second left chamber is communicated with by described flat tube with the second right chamber;
Be provided with tube connector in the described right header, the sidewall that this tube connector is positioned at corresponding chamber is provided with some through holes, to be communicated with the described first right chamber and the second right chamber.
Preferably, be equipped with at least one dividing plate in the described first right chamber and the described second right chamber, this dividing plate is separated out the identical sub-chamber of quantity with the described first right chamber with the second right chamber respectively, and each sub-chamber of described the first right chamber passes through the corresponding connection of described tube connector with each sub-chamber of the second right chamber.
Preferably, described the second left chamber is consistent with sub-chamber's quantity of described the second right chamber by the quantity of the sub-chamber that baffle for separating goes out, and each sub-chamber of corresponding setting in described the second left chamber and the second right chamber is communicated with by described flat tube; Described left header is provided with the input pipe that is communicated with each sub-chamber in described the second left chamber respectively, and the efferent duct that is communicated with described the first left chamber.
Preferably, described input pipe comprise primary input pipe, distributor and and isocon, wherein primary input pipe and isocon all are communicated with described distributor, with the coolant distribution in the described primary input pipe to each isocon; Each sub-chamber of described the second left chamber is communicated with a described isocon respectively.
Preferably, be equipped with at least one dividing plate in described the first left chamber, the second left chamber, the first right chamber and the second right chamber, this dividing plate is separated out the identical sub-chamber of quantity with described the first left chamber, the second left chamber, the first right chamber and the second right chamber respectively, and each sub-chamber of described the first right chamber passes through the corresponding connection of described tube connector with each sub-chamber of the second right chamber; Described left header is provided with the efferent duct that is communicated with each sub-chamber in described the first left chamber, and the input pipe that is communicated with each sub-chamber in described the second left chamber.
Preferably, the sub-chamber that each sub-chamber all is communicated with greater than correspondence in the described second right chamber in the described first right chamber.
Preferably, described left header is provided with input pipe and efferent duct, and wherein efferent duct is communicated with described the first left chamber; Described the second left chamber goes out the identical sub-chamber of quantity with the second right chamber by the even number baffle for separating, and the bottom of described the second left chamber is provided with the first end cap, and the bottom of described the second right chamber is provided with the second end cap; Be that the dividing plate of even number is provided with mozzle from described the first end cap sequence number that makes progress in described the second left chamber, this mozzle is communicated with two sub-chamber adjacent with this dividing plate; Be that the dividing plate of odd number is provided with mozzle from described the second end cap sequence number that makes progress in the described second right chamber, this mozzle is communicated with two sub-chamber adjacent with this dividing plate, and is communicated with the described first right chamber by described tube connector near the sub-chamber of described the first right chamber.
Preferably, each chamber in described the second left chamber is from the sub-chamber that links to each other with described the first end cap to the sub-chamber adjacent with described the first left chamber, and its sub-chamber increases successively.
Preferably, the position that described tube connector is relative with each flat tube is provided with at least one described through hole.
The utility model also provides a kind of air-conditioner, this air-conditioner comprises heat exchanger, this heat exchanger comprises left header, right header and some flat tubes that be arranged in parallel, this flat tube is communicated with described left header and right header, described left header forms the first left chamber and the second left chamber by the first baffle for separating, described right header comprises the first right chamber and the second right chamber, wherein
Described the first left chamber is communicated with by described flat tube with the first right chamber, and described the second left chamber is communicated with by described flat tube with the second right chamber;
Be provided with tube connector in the described right header, the sidewall that this tube connector is positioned at corresponding chamber is provided with some through holes, to be communicated with the described first right chamber and the second right chamber.
Description of drawings
Fig. 1 is the cross-sectional view after the assembling among the utility model heat exchanger the first embodiment;
Fig. 2 is the explosion type structural representation of the utility model heat exchanger the first embodiment;
Fig. 3 is the structural representation after the assembling among the utility model heat exchanger the second embodiment;
Fig. 4 is the explosion type structural representation of the utility model heat exchanger the 3rd embodiment;
Fig. 5 is the structural representation after the assembling among the utility model heat exchanger the 3rd embodiment;
Fig. 6 is the explosion type structural representation of the utility model heat exchanger the 4th embodiment;
Fig. 7 is the structural representation after the assembling among the utility model heat exchanger the 4th embodiment.
The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.
The specific embodiment
Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
See figures.1.and.2, Fig. 1 is the cross-sectional view after the assembling among the utility model heat exchanger the first embodiment, and Fig. 2 is the explosion type structural representation of the utility model heat exchanger the first embodiment.The heat exchanger that the present embodiment provides comprises left header 1, right header 2 and some flat tubes that be arranged in parallel 3, this flat tube 3 is communicated with left header 1 and right header 2, left header 1 comprises the first left chamber 10 and the second left chamber 11, right header 2 comprises the first right chamber 20 and the second right chamber 21, wherein
The first left chamber 10 is communicated with by flat tube 3 with the first right chamber 20, and the second left chamber 11 is communicated with by flat tube 3 with the second right chamber 21;
Be provided with tube connector 4 in the right header 2, the sidewall that this tube connector 4 is positioned at corresponding chamber is provided with some through holes 41, to be communicated with the first right chamber 20 and the second right chamber 21.
In the present embodiment, above-mentioned heat exchanger also comprises input pipe 5 and efferent duct 6, and wherein input pipe 5 is communicated with above-mentioned the second left chamber 11, and efferent duct 6 is communicated with above-mentioned the first left chamber.When this heat exchanger tube is done the evaporimeter use, refrigerant enters the second left chamber 11 from input pipe 6, undertaken flowing into the second right chamber 21 after the heat exchange by the flat tube 3 that links to each other with the second left chamber 11, then flow into the first right chamber 20 from tube connector 4, and again flow into the first left chamber 10 after the heat exchange by the flat tube 3 that links to each other with this first right chamber, at last by the refrigerant after the efferent duct 6 output heat exchange, and be back in the compressor, thereby finish the once circulation of refrigerant.
The utility model is by being arranged on tube connector 4 in the right header, and will the above-mentioned first right chamber 20 and the second right chamber 21 connections by tube connector 4, thereby can effectively reduce the overall volume of heat exchanger, and then reduced the installation difficulty of heat exchanger.
Should be noted that, the quantity of above-mentioned through hole can arrange according to actual needs, in the present embodiment, preferably, above-mentioned tube connector 4 and each flat tube 3 relative positions are provided with at least one through hole 41, thereby can so that refrigerant after tube connector 4 interior outflows, flow directly in the flat tube 3, thereby can effectively avoid the port of refrigerant and flat tube 3 to collide and cause the increased power of compressor.
Further, be equipped with at least one dividing plate 7 in the above-mentioned first right chamber 20 and the second right chamber 21, this dividing plate 7 is separated out the identical sub-chamber of quantity with the first right chamber 20 with the second right chamber 21 respectively, and each sub-chamber of the first right chamber 20 passes through tube connector 4 corresponding connections with each sub-chamber of the second right chamber 21.
In the present embodiment, 2 dividing plates 7 to be set as the example explanation.The first right chamber 20 comprises three 20a of sub-chamber, 20b and 20c, and the second right chamber 21 comprises three 21a of sub-chamber, 21b and 21c, and wherein the 20a of sub-chamber is communicated with 21a, and the 20b of sub-chamber is communicated with 21b, and the 20c of sub-chamber is communicated with 21c.When heat exchanger uses as evaporimeter, after refrigerant flows into the second left chamber 11, flow into respectively in the 21a of sub-chamber, 21b and the 21c by the flat tube 3 that is communicated with this second left chamber 11, then correspondence flows in the 20a of sub-chamber, 20b and the 20c respectively, flows out by efferent duct after converging in the first left chamber 10 at last.When heat exchanger used as condenser, its flow direction was just opposite.In the present embodiment, by the first right chamber 20 and the second right chamber 21 are separated out a plurality of sub-chamber, thereby so that refrigerant is shunted, and then can effectively guarantee to flow into coolant quantity uniformity in the flat tube 3, therefore can improve the exchange capability of heat of heat exchanger.
Be understandable that, the above-mentioned 20a of sub-chamber and 21a also can offer a via hole by the dividing plate between the separation 20a of this sub-chamber and 21a, thereby the 20a of sub-chamber and 21a are interconnected.
In conjunction with reference to Fig. 3, Fig. 3 is the structural representation after the assembling among the utility model heat exchanger the second embodiment.Based on above-described embodiment, in the present embodiment, above-mentioned the second left chamber 11 is consistent with sub-chamber's quantity of the second right chamber 21 by the quantity of the sub-chamber that dividing plate 7 is separated out, and each sub-chamber of corresponding setting in the second left chamber 11 and the second right chamber 21 is communicated with by flat tube 3; Left header 1 is provided with the input pipe 5 that is communicated with each sub-chamber in the second left chamber 11 respectively, and the efferent duct 6 that is communicated with the first left chamber 10.
Particularly, above-mentioned input pipe 5 comprise primary input pipe 51, distributor 52 and with isocon 53, wherein primary input pipe 51 and isocon 53 all are communicated with distributor 52, with the coolant distribution in the primary input pipe 51 to each isocon 53; Each sub-chamber of the second left chamber 11 is communicated with an isocon 53 respectively.
Based on above-described embodiment, in the present embodiment, 2 dividing plates 7 to be set as the example explanation.Then the second left chamber 11 comprises the 11a of sub-chamber, 11b and 11c, and wherein the 11a of sub-chamber is communicated with the 21a of sub-chamber by flat tube, and the 11b of sub-chamber is communicated with the 21b of sub-chamber by flat tube, and the 11c of sub-chamber is communicated with the 21c of sub-chamber by flat tube.
When being divided into 3 tunnel by undue orchestration 52 with refrigerant by primary input pipe 51, refrigerant flows into the corresponding 11a of sub-chamber, 11b and 11c by isocon 53 respectively.Refrigerant in the 11a of sub-chamber will flow into the 21a of sub-chamber, then flow into the 20a of sub-chamber, flow out by efferent duct after converging in the first left header 1 at last; Refrigerant in the 11b of sub-chamber will flow into the 21b of sub-chamber, then flow into the 20b of sub-chamber, flow out by efferent duct after converging in the first left header 1 at last; Refrigerant in the 11c of sub-chamber will flow into the 21c of sub-chamber, then flow into the 20c of sub-chamber, flow out by efferent duct after converging in the first left header 1 at last.In the present embodiment, because distributor 52 being set refrigerant shunting when flowing into the second left chamber 11 is formed multichannel, and each road refrigerant flows separate, therefore the flow uniformity of each flat tube 3 interior refrigerant in the heat exchanger can be further guaranteed, thereby the heat exchange efficiency of heat exchanger tube can be improved further.
With reference to Fig. 4 and Fig. 5, Fig. 4 is the explosion type structural representation of the utility model heat exchanger the 3rd embodiment, and Fig. 5 is the structural representation after the assembling among the utility model heat exchanger the 3rd embodiment.Based on the first embodiment, in the present embodiment, be equipped with at least one dividing plate 7 in above-mentioned the first left chamber 10, the second left chamber 11, the first right chamber 20 and the second right chamber 21, this dividing plate 7 is separated out the identical sub-chamber of quantity with the first left chamber 10, the second left chamber 11, the first right chamber 20 and the second right chamber 21 respectively, and each sub-chamber of the first right chamber 20 passes through tube connector 4 corresponding connections with each sub-chamber of the second right chamber 21; Left header 1 is provided with the efferent duct 6 that is communicated with each sub-chamber in the first left chamber 10, and the input pipe 5 that is communicated with each sub-chamber in the second left chamber 11.
In the present embodiment, 1 dividing plate 7 to be set as the example explanation.Above-mentioned the first left chamber 10 comprises the 10a of sub-chamber and 10b, and above-mentioned the second left chamber 11 comprises the 11a of sub-chamber and 11b, and the above-mentioned first right chamber 20 comprises the 20a of sub-chamber and 20b, and the above-mentioned second right chamber 21 comprises the 21a of sub-chamber and 21b.Wherein the 11a of sub-chamber is communicated with by flat tube 3 respectively with 20a with 21a and the 10a of sub-chamber, and the 20a of sub-chamber and the 21a of sub-chamber are communicated with by tube connector 4; The 11b of sub-chamber is communicated with by flat tube 3 respectively with 20b with 21b and the 10b of sub-chamber, and the 20b of sub-chamber and the 21b of sub-chamber are communicated with by tube connector 4.
Further, based on above-described embodiment, in the present embodiment, the sub-chamber that each sub-chamber all is communicated with greater than the second right chamber 21 interior correspondences in the above-mentioned first right chamber 20.
In the present embodiment, the above-mentioned 20a of sub-chamber is greater than 21a, and the above-mentioned 20b of sub-chamber is greater than 21b.Thereby so that heat exchanger is when making evaporimeter and use, the volume of refrigerant circulation increases in heat transfer process, and then is conducive to the refrigerant evaporation heat absorption; Heat exchanger is when doing the condenser use, and the volume of refrigerant circulation reduces in heat transfer process, and then is conducive to refrigerant condensation heat release.
With reference to Fig. 6 and Fig. 7, Fig. 6 is the explosion type structural representation of the utility model heat exchanger the 4th embodiment, and Fig. 7 is the structural representation after the assembling among the utility model heat exchanger the 4th embodiment.Based on the first embodiment, in the present embodiment, above-mentioned left header 10 is provided with input pipe 5 and efferent duct 6, and wherein efferent duct 6 is communicated with the first left chamber 10; The second left chamber 11 is separated out the identical sub-chamber of quantity with the second right chamber 21 by even number dividing plate 7, and the bottom that the bottom of the second left chamber 11 is provided with the first end cap 12, the second right chambers 21 is provided with the second end cap 22; In the second left chamber 11 from the first end cap 12 upwards sequence number be that the dividing plate 7 of even number is provided with mozzle 8, this mozzle 8 is communicated with two sub-chamber adjacent with this dividing plate 7; In the second right chamber 21 from the second end cap 22 upwards sequence number be that the dividing plate 7 of odd number is provided with mozzle 8, this mozzle 8 is communicated with and these dividing plate 7 adjacent two sub-chamber, and is communicated with the first right chamber 20 by tube connector 4 near the sub-chamber of the first right chamber 20.
In the present embodiment, 2 dividing plates 7 to be set as the example explanation.Above-mentioned the second left chamber 11 comprises the 11a of sub-chamber, 11b and 11c, and the above-mentioned second right chamber 21 comprises the 21a of sub-chamber, 21b and 21c.Wherein the 11c of sub-chamber is communicated with above-mentioned input pipe 5, and the 11a of sub-chamber and 11b are communicated with by mozzle 8; The 21a of sub-chamber is communicated with the above-mentioned first right chamber 20, and the 20b of sub-chamber and 20c are communicated with by mozzle 8.Therefore the heat exchanger that provides of the present embodiment can increase the path of refrigerant circulation, thereby improves the heat exchange efficiency of heat exchanger, more is suitable for people and uses.
Further, to the sub-chamber 11a adjacent with the first 10a of left chamber, its sub-chamber increases each chamber in above-mentioned the second left chamber 11 successively from the 11c of sub-chamber that links to each other with the first end cap 11.Be the above-mentioned 11a of sub-chamber greater than the 11b of sub-chamber, the 11b of sub-chamber is greater than the 11c of sub-chamber.Thereby so that heat exchanger is when making evaporimeter and use, the volume of refrigerant circulation increases in heat transfer process, and then is conducive to the refrigerant evaporation heat absorption; Heat exchanger is when doing the condenser use, and the volume of refrigerant circulation reduces in heat transfer process, and then is conducive to refrigerant condensation heat release.
The utility model also provides a kind of air-conditioner, and this air-conditioner comprises heat exchanger, and the structure of this heat exchanger and operation principle can with reference to aforementioned, not repeat them here.Naturally, because the air-conditioner of the present embodiment has adopted the heat exchanger technology scheme of above-described embodiment, so this air conditioner has all beneficial effects of above-mentioned heat exchanger.
It below only is preferred embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (10)
1. heat exchanger, comprise left header, right header and some flat tubes that be arranged in parallel, this flat tube is communicated with described left header and right header, it is characterized in that: described left header forms the first left chamber and the second left chamber by the first baffle for separating, described right header comprises the first right chamber and the second right chamber, wherein
Described the first left chamber is communicated with by described flat tube with the first right chamber, and described the second left chamber is communicated with by described flat tube with the second right chamber;
Be provided with tube connector in the described right header, the sidewall that this tube connector is positioned at corresponding chamber is provided with some through holes, to be communicated with the described first right chamber and the second right chamber.
2. heat exchanger as claimed in claim 1, it is characterized in that: be equipped with at least one dividing plate in the described first right chamber and the described second right chamber, this dividing plate is separated out the identical sub-chamber of quantity with the described first right chamber with the second right chamber respectively, and each sub-chamber of described the first right chamber passes through the corresponding connection of described tube connector with each sub-chamber of the second right chamber.
3. heat exchanger as claimed in claim 2, it is characterized in that: described the second left chamber is consistent with sub-chamber's quantity of described the second right chamber by the quantity of the sub-chamber that baffle for separating goes out, and each sub-chamber of corresponding setting in described the second left chamber and the second right chamber is communicated with by described flat tube; Described left header is provided with the input pipe that is communicated with each sub-chamber in described the second left chamber respectively, and the efferent duct that is communicated with described the first left chamber.
4. heat exchanger as claimed in claim 3 is characterized in that: described input pipe comprise primary input pipe, distributor and and isocon, wherein primary input pipe and isocon all are communicated with described distributor, with the coolant distribution in the described primary input pipe to each isocon; Each sub-chamber of described the second left chamber is communicated with a described isocon respectively.
5. heat exchanger as claimed in claim 1, it is characterized in that: be equipped with at least one dividing plate in described the first left chamber, the second left chamber, the first right chamber and the second right chamber, this dividing plate is separated out the identical sub-chamber of quantity with described the first left chamber, the second left chamber, the first right chamber and the second right chamber respectively, and each sub-chamber of described the first right chamber passes through the corresponding connection of described tube connector with each sub-chamber of the second right chamber; Described left header is provided with the efferent duct that is communicated with each sub-chamber in described the first left chamber, and the input pipe that is communicated with each sub-chamber in described the second left chamber.
6. such as each described heat exchanger in the claim 1 to 5, it is characterized in that: each sub-chamber is all greater than the corresponding sub-chamber that is communicated with in the described second right chamber in the described first right chamber.
7. heat exchanger as claimed in claim 1, it is characterized in that: described left header is provided with input pipe and efferent duct, and wherein efferent duct is communicated with described the first left chamber; Described the second left chamber goes out the identical sub-chamber of quantity with the second right chamber by the even number baffle for separating, and the bottom of described the second left chamber is provided with the first end cap, and the bottom of described the second right chamber is provided with the second end cap; Be that the dividing plate of even number is provided with mozzle from described the first end cap sequence number that makes progress in described the second left chamber, this mozzle is communicated with two sub-chamber adjacent with this dividing plate; Be that the dividing plate of odd number is provided with mozzle from described the second end cap sequence number that makes progress in the described second right chamber, this mozzle is communicated with two sub-chamber adjacent with this dividing plate, and is communicated with the described first right chamber by described tube connector near the sub-chamber of described the first right chamber.
8. heat exchanger as claimed in claim 7 is characterized in that: each chamber in described the second left chamber is from the sub-chamber adjacent with described the first left chamber extremely of the sub-chamber that links to each other with described the first end cap, and its sub-chamber increases successively.
9. heat exchanger as claimed in claim 1, it is characterized in that: the position that described tube connector is relative with each flat tube is provided with at least one described through hole.
10. an air-conditioner is characterized in that: comprise such as each described heat exchanger in the claim 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220545476 CN202885638U (en) | 2012-10-23 | 2012-10-23 | Heat exchanger and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220545476 CN202885638U (en) | 2012-10-23 | 2012-10-23 | Heat exchanger and air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202885638U true CN202885638U (en) | 2013-04-17 |
Family
ID=48077059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220545476 Expired - Lifetime CN202885638U (en) | 2012-10-23 | 2012-10-23 | Heat exchanger and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202885638U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267390A (en) * | 2013-05-06 | 2013-08-28 | 广东美的制冷设备有限公司 | Concurrent flow heat exchanger and air conditioner |
| CN105627634A (en) * | 2014-10-31 | 2016-06-01 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
| CN105716449A (en) * | 2016-04-08 | 2016-06-29 | 重庆超力高科技股份有限公司 | Heat exchanger structure |
-
2012
- 2012-10-23 CN CN 201220545476 patent/CN202885638U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267390A (en) * | 2013-05-06 | 2013-08-28 | 广东美的制冷设备有限公司 | Concurrent flow heat exchanger and air conditioner |
| CN103267390B (en) * | 2013-05-06 | 2016-03-02 | 广东美的制冷设备有限公司 | Parallel-flow heat exchanger and air-conditioner |
| CN105627634A (en) * | 2014-10-31 | 2016-06-01 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
| CN105627634B (en) * | 2014-10-31 | 2018-03-30 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
| CN105716449A (en) * | 2016-04-08 | 2016-06-29 | 重庆超力高科技股份有限公司 | Heat exchanger structure |
| CN105716449B (en) * | 2016-04-08 | 2018-10-09 | 重庆超力高科技股份有限公司 | A kind of heat converter structure |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130417 |