CN202792700U - Parallel flow heat exchanger and air conditioner - Google Patents
Parallel flow heat exchanger and air conditioner Download PDFInfo
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- CN202792700U CN202792700U CN 201220371625 CN201220371625U CN202792700U CN 202792700 U CN202792700 U CN 202792700U CN 201220371625 CN201220371625 CN 201220371625 CN 201220371625 U CN201220371625 U CN 201220371625U CN 202792700 U CN202792700 U CN 202792700U
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Abstract
The utility model discloses a parallel flow heat exchanger and an air conditioner. The parallel flow heat exchanger comprises a plurality of flat pipes, a plurality of fins, a first collecting pipe and a second collecting pipe. The first collecting pipe is provided with a first open cavity and a second open cavity separated from each other, and the second collecting pipe is provided with a third open cavity. A first channel and a second channel penetrating through two ends of the flat pipes are arranged on two sides of the flat pipes, one end of the first channel is communicated with the first open cavity, one end of the second channel is communicated with the second open cavity, and the other ends of the first channel and the second channel are both communicated with the third open cavity. Refrigerant enters the third open cavity from the first open cavity along the first channel on one sides of the flat pipes, and secondary flow distribution after mixing is conducted. Uneven outlet air temperature caused by uneven primary flow distribution of the refrigerant is avoided.
Description
Technical field
The utility model relates to air-conditioning technical field, especially relates to a kind of parallel-flow heat exchanger and air-conditioner.
Background technology
In air-conditioning technical field, micro-channel parallel flow heat exchanger has become the focus of research at present.Traditional parallel-flow heat exchanger owing to only refrigerant is once shunted, when coolant distribution is uneven, will cause leaving air temp uneven.For head it off, present solution is to adopt double rows parallel flow heat exchanger.As shown in Figure 1, so-called double rows parallel flow heat exchanger namely is that two traditional parallel-flow heat exchangers are superposeed side by side, weld together, wherein each parallel-flow heat exchanger is by some flat tubes 1, two headers, 2 compositions that are connected in the fin 3 between the flat tube 1 and are connected in flat tube 1 two ends, then its two headers 2 are side by side at one end linked together by tube connector 4, refrigerant just enters the header 2 of flat tube 1 opposite side by tube connector 4 from the header 2 of flat tube 1 one sides at this end, and after these header 2 interior mixing, carry out second diffluence, thereby improved the problem of coolant distribution inequality, so that its leaving air temp is even.Yet complicated on this double rows parallel flow heat exchanger structure, cost is higher, and it is larger to take up space.And double rows parallel flow heat exchanger has the fin of two row stacks, causes windage larger, reduced air output.
The utility model content
Main purpose of the present utility model is to provide a kind of parallel-flow heat exchanger and air-conditioner, is intended to solve the problem of parallel-flow heat exchanger leaving air temp inequality with lower cost, compact structure more.
In order to realize above purpose, the utility model proposes a kind of parallel-flow heat exchanger, this parallel-flow heat exchanger comprises: some flat tubes, some fins, the first header and the second header, and wherein, the first header is provided with the first atrium and second atrium of mutual isolation; The second header is provided with the 3rd atrium; The flat tube both sides are provided with first passage and the second channel that vertically runs through the flat tube two ends, and an end of first passage is communicated with described the first atrium, one end of second channel is communicated with described the second atrium, and the other end of first passage and second channel all is communicated with the 3rd atrium.
Preferably, the sidewall of described the first atrium is provided with some the first intercommunicating pores that are communicated with the first atrium, and the sidewall of the second atrium is provided with some the second intercommunicating pores that are communicated with the second atrium; The sidewall of the 3rd atrium is provided with some third connecting holes that are communicated with the 3rd atrium; The first intercommunicating pore and the second intercommunicating pore are inserted respectively in the both sides of described flat tube one end, and the other end inserts the third connecting hole.
Preferably, described flat tube one end also is provided with a breach for adaptive insertion the first intercommunicating pore of flat tube and the second intercommunicating pore, and this breach one side is provided with described first passage, and opposite side is provided with described second channel.
Preferably, described flat tube comprises the first flat tube and the second flat tube that split arranges, and the first flat tube is provided with described first passage, and the second flat tube is provided with described second channel; Described third connecting hole comprises two groups, and wherein one group is connected with the first flat tube, and another group is connected with the second flat tube.
Preferably, the cross-sectional area of described first passage and second channel is unequal.
Preferably, described first passage and second channel are some through holes that are arranged side by side.
Preferably, described the first atrium is or/and the second atrium is the through hole that vertically runs through the first header, and described the 3rd atrium is for vertically running through the through hole of the second header.
Preferably, described the first header comprises plat part and arc sections, and described the first intercommunicating pore and the second intercommunicating pore are located on the plat part of the first header.
Preferably, described the second header comprises plat part and arc sections, and described third connecting hole is located on the plat part of this second header.
The utility model proposes a kind of air-conditioner simultaneously, this air-conditioner comprises a parallel-flow heat exchanger, this parallel-flow heat exchanger comprises: some flat tubes, some fins, the first header and the second header, and wherein, the first header is provided with the first atrium and second atrium of mutual isolation; The second header is provided with the 3rd atrium; The flat tube both sides are provided with first passage and the second channel that vertically runs through the flat tube two ends, and an end of first passage is communicated with described the first atrium, one end of second channel is communicated with described the second atrium, and the other end of first passage and second channel all is communicated with the 3rd atrium.
Preferably, the sidewall of described the first atrium is provided with some the first intercommunicating pores that are communicated with the first atrium, and the sidewall of the second atrium is provided with some the second intercommunicating pores that are communicated with the second atrium; The sidewall of the 3rd atrium is provided with some third connecting holes that are communicated with the 3rd atrium; The first intercommunicating pore and the second intercommunicating pore are inserted respectively in the both sides of described flat tube one end, and the other end inserts the third connecting hole.
Preferably, described flat tube one end also is provided with a breach for adaptive insertion the first intercommunicating pore of flat tube and the second intercommunicating pore, and this breach one side is provided with described first passage, and opposite side is provided with described second channel.
Preferably, described flat tube comprises the first flat tube and the second flat tube that split arranges, and the first flat tube is provided with described first passage, and the second flat tube is provided with described second channel; Described third connecting hole comprises two groups, and wherein one group is connected with the first flat tube, and another group is connected with the second flat tube.
Preferably, the cross-sectional area of described first passage and second channel is unequal.
Preferably, described first passage and second channel are some through holes that are arranged side by side.
Preferably, described the first atrium is or/and the second atrium is the through hole that vertically runs through the first header, and described the 3rd atrium is for vertically running through the through hole of the second header.
Preferably, described the first header comprises plat part and arc sections, and described the first intercommunicating pore and the second intercommunicating pore are located on the plat part of the first header.
Preferably, described the second header comprises plat part and arc sections, and described third connecting hole is located on the plat part of this second header.
A kind of parallel-flow heat exchanger provided by the utility model and air-conditioner, owing to be provided with the first atrium and second atrium of mutual isolation at the first header, be provided with the 3rd atrium at the second header, so that refrigerant at first enters the first passage of flat tube one side from the first atrium, realize the shunting first time of refrigerant; Then enter the 3rd atrium along first passage, enter the second channel of flat tube opposite side after this mixes, realize the shunting second time of refrigerant, last refrigerant is discharged from the second atrium.Thereby avoided refrigerant because once the uneven leaving air temp that causes of shunting is uneven, and this parallel-flow heat exchanger structure is compact, production cost is lower.
Description of drawings
Fig. 1 is the structural representation of double rows parallel flow heat exchanger in the prior art;
Fig. 2 is the explosive view of the first embodiment of parallel-flow heat exchanger of the present utility model;
Fig. 3 is the installation diagram of the first embodiment of parallel-flow heat exchanger of the present utility model;
Fig. 4 is the structural representation of flat tube among the first embodiment of parallel-flow heat exchanger of the present utility model;
Fig. 5 is the structural representation of the second header among the first embodiment of parallel-flow heat exchanger of the present utility model;
Fig. 6 is the explosive view of the second embodiment of parallel-flow heat exchanger of the present utility model;
Fig. 7 is the installation diagram of the second embodiment of parallel-flow heat exchanger of the present utility model;
Fig. 8 is the structural representation of flat tube among the second embodiment of parallel-flow heat exchanger of the present utility model;
Fig. 9 is the explosive view of the 3rd embodiment of parallel-flow heat exchanger of the present utility model;
Figure 10 is the structural representation of flat tube among the 3rd embodiment of parallel-flow heat exchanger of the present utility model;
Figure 11 is the structural representation of fin among the 3rd embodiment of parallel-flow heat exchanger of the present utility model;
Figure 12 is the structural representation of flat tube one embodiment of parallel-flow heat exchanger of the present utility model;
Figure 13 is the explosive view of the 4th embodiment of parallel-flow heat exchanger of the present utility model;
Figure 14 is the structural representation of the second header among the 4th embodiment of parallel-flow heat exchanger of the present utility model.
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.
Referring to Fig. 2-Fig. 5, the first embodiment of parallel-flow heat exchanger of the present utility model is proposed.Wherein, Fig. 2 is the explosive view of the first embodiment of parallel-flow heat exchanger of the present utility model; Fig. 3 is the installation diagram of the first embodiment of parallel-flow heat exchanger of the present utility model; Fig. 4 is the structural representation of flat tube among the first embodiment of parallel-flow heat exchanger of the present utility model; Fig. 5 is the structural representation of the second header among the first embodiment of parallel-flow heat exchanger of the present utility model.Referring to Fig. 2, the parallel-flow heat exchanger of present embodiment comprises some flat tubes 100, some fins 400, first header 200 and second header 300.Referring to Fig. 4, wherein the middle part of flat tube 100 1 ends is provided with a breach 130, these breach 130 both sides are provided with some through holes that vertically run through along flat tube 100, these through holes are first passage 111 and the second channel 121 that flows through for refrigerant, and the cross-sectional area of the first passage of breach 130 both sides and second channel equates in the present embodiment; The first header 200 is provided with two through holes of mutually isolating, also vertically running through the first header two ends, also be about to the atrium that refrigerant imports and discharges, be respectively the first atrium 211 and the second atrium 212, there is a dividing plate 230 that two atriums are kept apart in the middle of them, the thickness of dividing plate and above-mentioned breach 130 are adaptive, and two atrium sizes are identical.The cross section of the first header 200 is the D font, also namely comprise arc sections 210 and plat part 220, plat part 220 is provided with some the first intercommunicating pores 221 that are communicated with the first atrium 211, and the second intercommunicating pore 222 that is communicated with the second atrium 212, the first intercommunicating pore 221 and the second intercommunicating pore 222 are arranged side by side, and the centre is separated by dividing plate 230.The size of described the first intercommunicating pore 221 and the second intercommunicating pore 22 is adapted for suitable with an end that is provided with breach 130 with above-mentioned flat tube 100.Certainly, above-mentioned the first intercommunicating pore and second is communicated with also can be located at arc sections, but considers on the plat part punching and install more conveniently that so present embodiment selects to be arranged at plat part.
Referring to Fig. 5, also be provided with a through hole that runs through the second header two ends on the second header 300, also i.e. the 3rd atrium 311.This second header 300 also is the D font, comprise arc sections 310 and plat part 320, plat part 320 is provided with the third connecting hole 321 corresponding with the first intercommunicating pore 221 and the second intercommunicating pore 222, and this third connecting hole 321 does not have an end jaggy adaptive with flat tube 100.Certainly, the third connecting hole also can be arranged at arc sections.During assembling, the end that flat tube 100 is provided with breach 130 is aimed at the first intercommunicating pore 221 and second intercommunicating pore 222 of the first header 200, flat tube 100 with breach 130 both sides inserts the first atrium 211 and the second atrium 212 by the first intercommunicating pore 221 and the second intercommunicating pore 222 respectively subsequently, then the other end of flat tube 100 is aimed at third connecting hole 321 and the insertion of the second header 300, so that its other end enters the 3rd atrium 311.Thereby, so that first passage 111 two ends of flat tube 100 1 sides are communicated with the first atrium 211 of the first header 200 and the 3rd atrium 311 of the second header 300 respectively, form the passage that refrigerant flows; Second channel 121 two ends of flat tube 100 opposite sides are communicated with the second atrium 212 of the first header 200 and the 3rd atrium 311 of the second header 300 respectively, form another passage that refrigerant flows.In like manner, some flat tubes 100 are inserted respectively the first header 200 and the second header 300, at last fin 400 is welded between the adjacent flat pipe 100, finally finished the assembling (after the assembling as shown in Figure 3) of the parallel heat exchanger of present embodiment.During this parallel heat exchanger operation, refrigerant at first enters the first atrium 211 of the first header 200, and enters the first passage 111 on flat tube 100 right sides from this first atrium 211, and refrigerant has been carried out for the first time shunting; Enter the 3rd atrium 311 of the second header 300 along first passage 111, after mixing herein, refrigerant carries out the shunting second time, get back to the first header 200 along the second channel 121 in flat tube 100 left sides, enter the second atrium 212 of the first header 200, from the second atrium 212, discharge at last.
In the present embodiment, owing to having carried out for the second time shunting after the refrigerant mixing, avoided the uneven leaving air temp that causes of once shunting uneven.And with respect to existing double rows parallel flow heat exchanger, the parallel-flow heat exchanger structure of present embodiment is compact, it is little to take up space, and processing cost is low; And the fin of the parallel-flow heat exchanger of present embodiment only has a row and two row's fins stacks unlike double rows parallel flow heat exchanger, so windage is less, and air quantity is larger.
Referring to Fig. 6-Fig. 8, the second embodiment of parallel-flow heat exchanger of the present utility model is proposed.Wherein, Fig. 6 is the explosive view of the second embodiment of parallel-flow heat exchanger of the present utility model; Fig. 7 is the installation diagram of the second embodiment of parallel-flow heat exchanger of the present utility model; Fig. 8 is the structural representation of flat tube among the second embodiment of parallel-flow heat exchanger of the present utility model.This enforcement is with the difference of the first embodiment: the breach 130 of flat tube 100 1 ends is not at the middle part, but the deflection left side, so that the cross-sectional area of left side second channel 121 is less than the cross-sectional area of right side first passage 111.Accordingly, the first atrium 211 of the first header 200 is not identical with the size of the second atrium 212 yet, and adjusts accordingly with adaptive the first intercommunicating pore 221 in the end of flat tube 100 breach 130 both sides and the size of the second intercommunicating pore 222 yet.The second header 300 is a pipe, but not D font pipe, third connecting hole 321 directly is located on the tube wall.The assembling of the parallel-flow heat exchanger of present embodiment is identical with the first embodiment, does not repeat them here.
Because the cross-sectional area of the first passage 111 of flat tube 100 breach 130 both sides and second channel 121 is unequal, so the parallel-flow heat exchanger of present embodiment both can make evaporimeter, also can make condenser.When this parallel-flow heat exchanger is used as evaporimeter, refrigerant enters from the second less atrium 212 of volume, and carry out the second channel 121 that for the first time shunting enters flat tube 100 left sides, enter the 3rd atrium 311 of the second header 300 along second channel 121, after mixing, enter the first passage 111 on flat tube 100 right sides herein, realized the secondary shunting to refrigerant, enter at last the first atrium 211 and the discharge of the first header 200 along first passage 111, the benefit of this stream is that the refrigerant flowing space increases gradually, is conducive to the evaporation of refrigerant.When this parallel-flow heat exchanger was used as condenser, stream was then just opposite, and the refrigerant flowing space reduces gradually, is conducive to the condensation of refrigerant.
Referring to Fig. 9-Figure 11, the 3rd embodiment of parallel-flow heat exchanger of the present utility model is proposed.Wherein, Fig. 9 is the explosive view of the 3rd embodiment of parallel-flow heat exchanger of the present utility model; Figure 10 is the structural representation of flat tube among the 3rd embodiment of parallel-flow heat exchanger of the present utility model; Figure 11 is the structural representation of fin among the 3rd embodiment of parallel-flow heat exchanger of the present utility model.Present embodiment is the same with the second embodiment, the cross-sectional area of first passage 111 and second channel 121 is unequal, but implementation is distinguished to some extent: flat tube 100 two sides are not parallel, it is trapezoidal that its cross section roughly is, shape and the size in the third connecting hole 321 on the first intercommunicating pore 221 on the first header 200 tube walls and the second intercommunicating pore 222 and the second header 300 tube walls also adjust accordingly, with adaptive with flat tube 100.In addition, because the two sides of flat tube 100 are not parallel, so preferred fin 400 as shown in figure 12 of this parallel-flow heat exchanger, this fin 400 comprises some blades 410 and the brace 420 that some blades 410 are serially connected, and the space between the adjacent blades 410 is adaptive is held on flat tube 100 two sides.Because the first passage 111 of flat tube 100 breach 130 both sides of present embodiment is not identical with second channel 121 cross-sectional areas yet, therefore the parallel-flow heat exchanger of present embodiment also can be as the second embodiment, both evaporimeter can be used as, also condenser can be used as.
Referring to Figure 12, Figure 12 is the structural representation of flat tube one embodiment of parallel-flow heat exchanger of the present utility model.The flat tube 100 of present embodiment is with flat tube 100 difference of above-described embodiment: extend a groove 140 along breach 130 to the other end on the flat tube 100, also namely reduced the thickness of this part.Because refrigerant is not transmitted at breach 130 places, thus passage need be set, thereby can reduce its thickness, reduce material cost.
Further, referring to Figure 13, Figure 14, propose the 4th embodiment of parallel-flow heat exchanger of the present utility model, Figure 13 is the explosive view of the 4th embodiment of parallel-flow heat exchanger of the present utility model; Figure 14 is the structural representation of the second header among the 4th embodiment of parallel-flow heat exchanger of the present utility model.The difference of present embodiment and above-described embodiment maximum is: the flat tube 100 of present embodiment comprises the first flat tube 110 and the second flat tube 120 that split arranges, the first flat tube 110 is provided with first passage 111, the second flat tubes 120 that vertically run through the first flat tube 110 two ends and is provided with the second channel 121 that vertically runs through the second flat tube 120 two ends; And the third connecting hole 311 on the second header 300 comprises side by side independent two groups of arranging, and wherein one group of third connecting hole 3211, the right is connected with the first flat tube 110, one group of third connecting hole 3212, the left side be connected flat tube 120 connections.
During assembling, the first flat tube 110 1 ends insert the first intercommunicating pore 221, and the other end inserts one group of third connecting hole 3211, the right; Described the second flat tube 120 1 ends insert the second intercommunicating pore 222, and the other end inserts one group of third connecting hole 3212, the left side.During the parallel-flow heat exchanger operation, refrigerant enters the first atrium 211 of the first header 200, through entering the first flat tube 110 after the shunting for the first time, enter the 3rd atrium 311 of the second header 300 along the first passage 111 of the first flat tube 110, and in the mixing of the 3rd atrium 311 places, then enter the second flat tube 120, realize the shunting second time of refrigerant, last refrigerant enters the second atrium 212 of the first header 200 along second channel 121, and discharges parallel-flow heat exchanger.Certainly, in the present embodiment cross-sectional area of the passage on the first header and the second header can equate also can be unequal.
Present embodiment proposes a kind of air-conditioner simultaneously, this air-conditioner comprises a parallel-flow heat exchanger, this parallel-flow heat exchanger comprises: some flat tubes, some fins, the first header and the second header, and wherein, the first header is provided with the first atrium and second atrium of mutual isolation; The second header is provided with the 3rd atrium; The flat tube both sides are provided with first passage and the second channel that vertically runs through the flat tube two ends, and an end of first passage is communicated with described the first atrium, one end of second channel is communicated with described the second atrium, and the other end of first passage and second channel all is communicated with the 3rd atrium.Parallel-flow heat exchanger described in the present embodiment is the related parallel-flow heat exchanger of above-described embodiment in the utility model, does not repeat them here.
Should be understood that; it below only is preferred embodiment of the present utility model; can not therefore 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. a parallel-flow heat exchanger is characterized in that, comprising: some flat tubes, some fins, the first header and the second header, and wherein, the first header is provided with the first atrium and second atrium of mutual isolation; The second header is provided with the 3rd atrium; The flat tube both sides are provided with first passage and the second channel that vertically runs through the flat tube two ends, and an end of first passage is communicated with described the first atrium, one end of second channel is communicated with described the second atrium, and the other end of first passage and second channel all is communicated with the 3rd atrium.
2. parallel-flow heat exchanger according to claim 1, it is characterized in that, the sidewall of described the first atrium is provided with some the first intercommunicating pores that are communicated with the first atrium, and the sidewall of the second atrium is provided with some the second intercommunicating pores that are communicated with the second atrium; The sidewall of the 3rd atrium is provided with some third connecting holes that are communicated with the 3rd atrium; The first intercommunicating pore and the second intercommunicating pore are inserted respectively in the both sides of described flat tube one end, and the other end inserts the third connecting hole.
3. parallel-flow heat exchanger according to claim 2, it is characterized in that, described flat tube one end also is provided with a breach for adaptive insertion the first intercommunicating pore of flat tube and the second intercommunicating pore, and this breach one side is provided with described first passage, and opposite side is provided with described second channel.
4. parallel-flow heat exchanger according to claim 2 is characterized in that, described flat tube comprises the first flat tube and the second flat tube that split arranges, and the first flat tube is provided with described first passage, and the second flat tube is provided with described second channel; Described third connecting hole comprises two groups, and wherein one group is connected with the first flat tube, and another group is connected with the second flat tube.
5. parallel-flow heat exchanger according to claim 1 is characterized in that, the cross-sectional area of described first passage and second channel is unequal.
6. each described parallel-flow heat exchanger is characterized in that according to claim 1-5, and described first passage and second channel are some through holes that are arranged side by side.
7. each described parallel-flow heat exchanger is characterized in that according to claim 1-5, and described the first atrium is or/and the second atrium is the through hole that vertically runs through the first header, and described the 3rd atrium is for vertically running through the through hole of the second header.
8. each described parallel-flow heat exchanger is characterized in that according to claim 2-5, and described the first header comprises plat part and arc sections, and described the first intercommunicating pore and the second intercommunicating pore are located on the plat part of the first header.
9. each described parallel-flow heat exchanger is characterized in that according to claim 2-5, and described the second header comprises plat part and arc sections, and described third connecting hole is located on the plat part of this second header.
10. an air-conditioner comprises a parallel-flow heat exchanger, it is characterized in that, described parallel-flow heat exchanger is such as each described parallel-flow heat exchanger of claim 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220371625 CN202792700U (en) | 2012-07-27 | 2012-07-27 | Parallel flow heat exchanger and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220371625 CN202792700U (en) | 2012-07-27 | 2012-07-27 | Parallel flow heat exchanger and air conditioner |
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| CN202792700U true CN202792700U (en) | 2013-03-13 |
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| CN 201220371625 Expired - Lifetime CN202792700U (en) | 2012-07-27 | 2012-07-27 | Parallel flow heat exchanger and air conditioner |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788522A (en) * | 2012-07-27 | 2012-11-21 | 广东美的电器股份有限公司 | Parallel flow heat exchanger and air conditioner |
| CN103743158A (en) * | 2014-01-06 | 2014-04-23 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
| CN103822407A (en) * | 2014-03-03 | 2014-05-28 | 浙江金宸三普换热器有限公司 | Parallel flow heat exchanger with double-row flat pipes and manufacturing method of parallel flow heat exchanger |
| CN104132482A (en) * | 2014-07-30 | 2014-11-05 | 广州涉外经济职业技术学院 | Parallel flow type heat exchanger |
| CN108981234A (en) * | 2017-05-31 | 2018-12-11 | 杭州三花研究院有限公司 | A kind of heat-exchanger rig |
| CN108981235A (en) * | 2017-05-31 | 2018-12-11 | 杭州三花研究院有限公司 | A kind of heat-exchanger rig |
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2012
- 2012-07-27 CN CN 201220371625 patent/CN202792700U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102788522A (en) * | 2012-07-27 | 2012-11-21 | 广东美的电器股份有限公司 | Parallel flow heat exchanger and air conditioner |
| CN103743158A (en) * | 2014-01-06 | 2014-04-23 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
| CN103743158B (en) * | 2014-01-06 | 2017-03-01 | 丹佛斯微通道换热器（嘉兴）有限公司 | Heat exchanger |
| CN103822407A (en) * | 2014-03-03 | 2014-05-28 | 浙江金宸三普换热器有限公司 | Parallel flow heat exchanger with double-row flat pipes and manufacturing method of parallel flow heat exchanger |
| CN103822407B (en) * | 2014-03-03 | 2017-05-31 | 浙江金宸三普换热器有限公司 | The parallel-flow heat exchanger and its manufacture method of a kind of double flat tube |
| CN104132482A (en) * | 2014-07-30 | 2014-11-05 | 广州涉外经济职业技术学院 | Parallel flow type heat exchanger |
| CN108981234A (en) * | 2017-05-31 | 2018-12-11 | 杭州三花研究院有限公司 | A kind of heat-exchanger rig |
| CN108981235A (en) * | 2017-05-31 | 2018-12-11 | 杭州三花研究院有限公司 | A kind of heat-exchanger rig |
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Effective date of registration: 20131203 Address after: 528311 Guangdong, Foshan, Beijiao, the United States, the United States and the United States on the avenue of the United States, the headquarters of the United States building B floor, District, 26-28 Patentee after: MIDEA GROUP Co.,Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Patentee before: GD MIDEA HOLDING CD., Ltd. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130313 |