CN103206885B - Header pipe, parallel flow heat exchanger and air conditioner - Google Patents
Header pipe, parallel flow heat exchanger and air conditioner Download PDFInfo
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- CN103206885B CN103206885B CN201310102918.2A CN201310102918A CN103206885B CN 103206885 B CN103206885 B CN 103206885B CN 201310102918 A CN201310102918 A CN 201310102918A CN 103206885 B CN103206885 B CN 103206885B
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Abstract
The invention discloses a header pipe which comprises a first cavity and a second cavity abreast to each other. The first cavity is provided with an elongated hole for the insertion of a flat tube. A coolant distribution hole for communicating the second cavity and the first cavity is arranged between the second cavity and the first cavity. A part of coolant in a coolant pipeline flows into the first cavity from the second cavity. The header pipe further comprises a third cavity arranged at the lower end of the first cavity. The third cavity is communicated with the first cavity. The other part of the coolant in the coolant pipeline flows into the first cavity from the third cavity from bottom to top. The invention further provides a parallel flow heat exchanger with the header pipe. The header pipe avoids detention of the coolant, and heat exchange performance of the parallel flow heat exchanger is improved.
Description
Technical field
The present invention relates to the technical field of heat exchange of air-conditioning, be specifically related to a kind of header, there is the parallel-flow heat exchanger of this header and there is the aircondition of this parallel-flow heat exchanger.
Background technology
As everyone knows, parallel-flow heat exchanger due to heat exchange efficiency high, good processability, is widely used in air conditioning for automobiles, industrial production and family expenses and business air conditioner field.In some application scenarios, in order to ensure the drainage of plate-shaped fins parallel-flow heat exchanger, there is the method vertically configured by header.The parallel-flow heat exchanger of this structure is in time using as evaporimeter, there will be following problem: owing to being affected by gravity, refrigerant is easily detained the header of the inlet side of bottom, space, particularly refrigerant in header, due to highly comparatively large, there will be the situation that obvious refrigerant is detained downwards.Particularly when cold medium flux is inadequate, the difference of the cold medium flux below header and the cold medium flux of top clearly, makes the overall heat exchange hydraulic performance decline of heat exchanger.The current length generally being reduced single header by the flow process increasing refrigerant in flat tube, but the resistance of heat exchanger will be increased like this, the efficiency of impact refrigeration.So, solve the delay that in header, refrigerant produces because of gravity, just become problem demanding prompt solution.
Summary of the invention
Main purpose of the present invention is for the problems referred to above of the prior art, provides a kind of and solves the delay that refrigerant in header produces because of gravity, the header that can improve parallel-flow heat exchanger heat exchange property.
In order to realize goal of the invention, the invention provides a kind of header, comprise the first cavity and the second cavity that are arranged side by side, described first cavity is provided with the flat hole in order to grafting flat tube, be provided with the refrigerant dispensing orifice both be communicated with between described second cavity and the first cavity, a part of refrigerant in refrigerant pipeline flows to the first cavity from the second cavity; Described header also comprises the 3rd cavity being arranged on the first cavity lower end, and described 3rd cavity communicates with the first cavity, and another part refrigerant in refrigerant pipeline flows to the first cavity from the bottom to top from described 3rd cavity.
Preferably, refrigerant inlet pipe inserts the 3rd cavity, and the 3rd cavity is communicated with the lower end of the second cavity.
Preferably, the port of refrigerant inlet pipe is positioned at the 3rd cavity, and is positioned at the position near spray-hole, and refrigerant has the static pressure larger than the second cavity lower end intercommunicating pore at spray-hole place.
Preferably, refrigerant inlet pipe is the second cavity of top closure, and its part be arranged in the first cavity is provided with refrigerant dispensing orifice, and refrigerant inlet pipe is also positioned at the 3rd cavity, and the pipeline section being positioned at the 3rd cavity is provided with tap hole.
Preferably, plate body is provided with in described first cavity, this plate body is connected with the internal face of cavity and realizes sealing, flat tube patchhole side is wherein had to be the first cavity, opposite side is the second cavity, between the lower surface of the first cavity and the 3rd cavity, be provided with dividing plate, and dividing plate connects and seals the end face of the first cavity, dividing plate has spray-hole be communicated with the first cavity and the 3rd cavity, above-mentioned plate body surrounds with opposite side cavity inner wall face the intercommunicating pore being communicated with the 3rd cavity and the second cavity.
Preferably, be provided with division board between described first cavity and the 3rd cavity, described division board is provided with spray-hole, the edge of this division board and the first cavity port inner wall face mating shapes.
Preferably, in described first cavity, be also provided with contracted flow plate, the edge of this contracted flow plate and the first cavity inner wall face mating shapes, be provided with the contracted flow plate intercommunicating pore being communicated with this contracted flow plate upper and lower cavity refrigerant at contracted flow plate.
Preferably, described contracted flow plate distance header refrigerant inlet end spacing far away is less; More distal apertures footpath is less for described contracted flow plate intercommunicating pore distance header refrigerant inlet end.
Preferably, described contracted flow plate distance header refrigerant inlet end spacing far away is less.
Preferably, more distal apertures footpath is less for described contracted flow plate intercommunicating pore distance header refrigerant inlet end.
The present invention separately provides a kind of parallel-flow heat exchanger, comprises header and one end and is plugged on some flat tubes on described header, and be arranged on the fin between described some flat tubes.Described header comprises the first cavity and the second cavity that are arranged side by side, described first cavity is provided with the flat hole in order to grafting flat tube, the refrigerant dispensing orifice both be communicated with is provided with between described second cavity and the first cavity, described header also comprises the 3rd cavity being arranged on the first cavity lower end, spray-hole is provided with between the 3rd cavity and the first cavity, refrigerant flows to the 3rd cavity by refrigerant inlet pipe from refrigerant pipeline, and upwards sprays into the first cavity from spray-hole; Second cavity is communicated with refrigerant pipeline, and the refrigerant from refrigerant pipeline flows to the first cavity from the second cavity by refrigerant dispensing orifice.
As from the foregoing, the first cavity, the second cavity and the 3rd cavity is at least provided with in header of the present invention, refrigerant can enter into the first cavity from the second cavity, when the refrigerant in the first cavity is subject to gravity fall, the refrigerant upper punch of the first cavity is flowed to from the 3rd cavity, the refrigerant fallen can be held up, thus avoid refrigerant delay, improve the heat exchange property of parallel-flow heat exchanger.
Accompanying drawing explanation
Fig. 1 is the structural representation of parallel-flow heat exchanger in a preferred embodiment of the present invention;
Fig. 2 is the decomposition texture schematic diagram of parallel-flow heat exchanger in a preferred embodiment of the present invention;
Fig. 3 is the structural representation of header in Fig. 2;
Fig. 4 is the decomposition texture schematic diagram of header in a preferred embodiment of the present invention;
Fig. 5 is the decomposition texture schematic diagram of header in a preferred embodiment of the present invention;
Fig. 6 is the decomposition texture schematic diagram of header in a preferred embodiment of the present invention.
The realization of the object of the invention, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Detailed description of the invention
Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
The embodiment of the present invention provides a kind of header, and shown in Fig. 3, in a preferred embodiment, this header 1 comprises the first cavity 12 and the second cavity 11 be arranged side by side.First cavity 12 is provided with the flat hole in order to grafting flat tube 2, and be provided with the refrigerant dispensing orifice 13 both be communicated with between the second cavity 11 and the first cavity 12, a part of refrigerant in refrigerant pipeline 30 flows to the first cavity 12 from the second cavity 11.Header 1 also comprises the 3rd cavity 14 being arranged on the first cavity 12 lower end.3rd cavity 14 communicates with the first cavity 12, and another part refrigerant in refrigerant pipeline 30 flows to the first cavity 12 from the bottom to top from the 3rd cavity 14.
With reference to shown in Fig. 1, in a preferred embodiment of the present invention, between the 3rd cavity 14 and the first cavity 12, be provided with spray-hole 142.Refrigerant flows to the 3rd cavity 14 from refrigerant pipeline 30, and upwards sprays into the first cavity 12 from spray-hole 142; Second cavity 11 is communicated with refrigerant pipeline, and the refrigerant from refrigerant pipeline 30 flows to the first cavity 12 from the second cavity 11 by refrigerant dispensing orifice 13.When the refrigerant in the first cavity 12 is subject to gravity fall, refrigerant flows to the refrigerant upper punch of the first cavity 12 from spray-hole 142, is held up by the refrigerant fallen, thus avoids refrigerant delay, improves the heat exchange property of parallel-flow heat exchanger.
In the embodiment of the present invention, refrigerant pipeline 30 is communicated with the 3rd cavity 14 with the second cavity 11 respectively, such as in a preferred embodiment, a part for refrigerant pipeline 30 can be communicated with the middle part of the second cavity 11, and a part of refrigerant inputs by the middle part of this part refrigerant pipeline from the second cavity 11; Another part refrigerant inlet pipe 3 of refrigerant pipeline 30 is communicated with the 3rd cavity 14, inputs refrigerant to the 3rd cavity 14.In a further preferred embodiment, refrigerant pipeline 30 is parts of refrigerant pipeline 30 by refrigerant inlet pipe 3(refrigerant inlet pipe 3) insert the 3rd cavity 14, this refrigerant inlet pipe 3 is provided with flow dividing structure, refrigerant can flow to the 3rd cavity 14 and the second cavity 11 respectively from this refrigerant inlet pipe 3, and the present invention preferably adopts the program on the input structure of refrigerant.
Please refer to Fig. 1, in the embodiment of the present invention, header 1 is vertically placed, and the lower end of the first cavity 12 and the second cavity 11 is the refrigerant entrance point of header 1.Refrigerant inlet pipe 3 inserts the 3rd cavity 14 being arranged in the first cavity 12 and the second cavity 11 lower end, and inputs refrigerant to the 3rd cavity 14.Refrigerant inlet pipe 3 also communicates with the second cavity 11, and the refrigerant in refrigerant inlet pipe 3 can flow into the second cavity 11, and flows to the first cavity 12 by the refrigerant dispensing orifice 13 between the second cavity 11 and the first cavity 12.Owing to being provided with spray-hole 142 between the 3rd cavity 14 and the first cavity 12, the refrigerant being therefore input to the 3rd cavity 14 can upwards spray into the first cavity 12 from this spray-hole 142.
Specific works flow process is as follows:
When using as evaporimeter, gas coolant enters from outlet 4, through another header 6 to the flowing of header 1 direction, by fin 7 externally heat release between, and then condensation, liquefy or liquid phase stream mode, enter the 3rd cavity 14 from spray-hole 142; Meanwhile, enter the 3rd cavity 14 from the multiple refrigerant dispensing orifices 13 the second cavity 11, the refrigerant behind interflow is derived by refrigerant inlet pipe 3.
When using as condenser, a refrigerant part enters from refrigerant inlet pipe 3, through above-mentioned 3rd cavity 14, flow into the first cavity 12 from spray-hole 142, another part enters the first cavity 11 from the 3rd cavity 14, then spray from multiple refrigerant dispensing orifice 13, through the first cavity 12, enter multiple flat tube 2, flow to another header 6, and from extraneous air, absorb heat of vaporization by middle fin 7, form gas and discharge from outlet 1 collective.
In the embodiment of the present invention, when using as condenser, the multiple refrigerant dispensing orifices 13 from the second cavity 11 of header 1, refrigerant can be easy to impartial enter flat tube 2, thus realizes the equalization shunting of flat tube 2.And, owing to being provided with spray-hole 142 in the 3rd cavity 14, there is the function of being sprayed immediately by the refrigerant fallen in header 1 and getting back to the first cavity 12 from the gas coolant wherein flowed into, the problem that in header 1, lower liquid refrigerant is detained can be solved, improve the heat exchange property of parallel-flow heat exchanger.And when air conditioner refrigerating operates, the liquid coolant of condensation or refrigerator oil can not be accumulated in the bottom of header, be detained, refrigerant inlet pipe 3 can be flowed to smoothly.
In the embodiment of the present invention, the shape of header 1 and be configured with various ways, can select flexibly, shown in Figure 2, in a preferred embodiment of the present invention, be provided with division board 141 between first cavity 12 and the 3rd cavity 14, described division board 141 is provided with spray-hole 142, the edge of this division board 141 and the first cavity 12 port inner wall face mating shapes.
Please refer to Fig. 3, in another preferred embodiment of the present invention, the second cavity 11 is arranged in the first cavity 12, one-body molded with a sidewall of the first cavity 12, and this sidewall is relative with a sidewall with flat hole.In the embodiment of the present invention, the material of header 1 can be aluminium alloy, and the first cavity 12 split is arranged, and comprises the curved cover plate 121 that is provided with multiple flat hole and uncovered bar-shaped body 122 is formed, curved cover plate 121 is plugged in body 122, and both connect rear formation first cavity 12.Second cavity 11 is arranged in body 122, and one-body molded by mould with body 122, the mode of refrigerant dispensing orifice 13 also by machining between the second cavity 11 and the first cavity 12 is shaping.Due to body 122 and the second cavity 11 one-body molded, save moulding process, saved the manufacturing cost of header 1.
See Fig. 4, in another preferred embodiment of the present invention, plate body 15 is provided with in first cavity 12, this plate body 15 is connected with the internal face of cavity and realizes sealing, flat tube patchhole side is wherein had to be the first cavity 12, opposite side is the second cavity 11, dividing plate 16 is provided with between the lower surface of the first cavity 12 and the 3rd cavity 14, dividing plate 16 connects and seals the end face of the first cavity 12, dividing plate 16 there is spray-hole 142 be communicated with the first cavity 12 and the 3rd cavity 11, above-mentioned plate body 15 and opposite side cavity inner wall face surround the intercommunicating pore 143 being communicated with the 3rd cavity 14 and the second cavity 11.In the embodiment of the present invention, plate body 15 is provided with refrigerant dispensing orifice 13, and refrigerant flows to the first cavity 12 by refrigerant dispensing orifice 13.Refrigerant inlet pipe inserts the 3rd cavity 14, and refrigerant can flow to the second cavity 11 from intercommunicating pore 143, and flows up into the first cavity 12 from the 3rd cavity 14 by spray-hole 142.The embodiment of the present invention inserts header body interior by a plate body 15, thus shaping first cavity 12 and the second cavity 11, moulding process is simple, the low cost of manufacture of header 1.
See Fig. 5, in another preferred embodiment of the present invention, refrigerant inlet pipe 3 is the second cavity 11 of top closure, its part be arranged in the first cavity 12 is provided with refrigerant dispensing orifice 13, refrigerant inlet pipe 3 also flows through the 3rd cavity 14, and pipeline section in the 3rd cavity 14 is provided with tap hole 111.Please refer to Fig. 5, in the present embodiment, refrigerant inlet pipe 3 is bent into two sections, L-shaped setting.One section is provided with refrigerant dispensing orifice 13, and this section inserts the first cavity 12, and another section is arranged in the 3rd cavity 14, and this section is provided with tap hole 111.During parallel-flow heat exchanger work, a part of refrigerant can export the 3rd cavity 14 to from this tap hole 111, then inputs to the first cavity 12 by spray-hole 142 and continue upwards to spray; Another part refrigerant upwards sprays through the tube wall of refrigerant inlet pipe 3, and exports the first cavity 12 to by refrigerant dispensing orifice 13.
Shown in Figure 6, on the basis of previous embodiment, in further embodiment of this invention, some contracted flow plates 5 are provided with in the first cavity 12, the edge of this contracted flow plate 5 and the first cavity 12 internal face mating shapes, be provided with the contracted flow plate intercommunicating pore 51 being communicated with this contracted flow plate 5 upper and lower cavity refrigerant at contracted flow plate 5.In the embodiment of the present invention, contracted flow plate 5 is provided with contracted flow plate intercommunicating pore 51, upwards can spray for refrigerant.Owing to being provided with contracted flow plate 5, can better stoping refrigerant to drip downwards, avoid refrigerant to be detained.Further, because there is a lot of contracted flow plate 5 in space in header 1, with do not have contracted flow plate 5 situation compared with, more impartial to the coolant distribution of flat tube 2.Further, contracted flow plate 5 is less apart from header refrigerant inlet end spacing far away.Because contracted flow plate 5 is less apart from header 1 refrigerant inlet end spacing far away, the easier impartial distribution of the liquid coolant of above-below direction can be made, the easier equalization shunting of flat tube 2.Contracted flow plate intercommunicating pore 51 on contracted flow plate 5 is along with the increase of height, and aperture is also less.
Further, see Fig. 1 to Fig. 6, in previous embodiment of the present invention, quantity is more more at a distance apart from header 1 refrigerant inlet end for refrigerant dispensing orifice 13, or aperture is larger more at a distance apart from header refrigerant inlet end.So also can make the easier impartial distribution of the liquid coolant of above-below direction, the easier equalization shunting of flat tube 2.
In previous embodiment, refrigerant inlet pipe 3 can insert the 3rd cavity 14, is communicated with the lower end of the 3rd cavity 14 with the second cavity 11, makes the refrigerant flowing to the 3rd cavity 14 can branch to the second cavity 11.
The port of refrigerant inlet pipe 3 can arrange and be positioned at the 3rd cavity 14, and the position be positioned near spray-hole 142, refrigerant has the static pressure larger than the second cavity 11 lower end intercommunicating pore 143 at spray-hole 142 place, larger refrigerant pressure can be formed like this, thus the intensity that raising refrigerant upwards impacts, to bear the refrigerant of whereabouts.
In the embodiment of the present invention; also can the shaft centre line direction of refrigerant inlet pipe 3 be set to substantially parallel with the horizontal tangent direction of the 3rd cavity 14 inner face circular arc; and insert in the 3rd cavity 14 and connect; at this moment the whirlpool formed in the 3rd cavity 14 sprays from spray-hole 142, can promote the micronize of refrigerant like this.Therefore liquid coolant is easy to form the good annular flow of heat transfer ratio in the microchannel of flat tube 2, and then can improve the performance of heat exchanger.
The present invention also provides a kind of parallel-flow heat exchanger, and this parallel-flow heat exchanger at least comprises the header 1 of setting forth in previous embodiment and one end and is plugged on some flat tubes 2 on header 1, and is arranged on the fin 7 between some flat tubes 2.In parallel-flow heat exchanger embodiment of the present invention, the structure of header 1 and operation principle please refer to the embodiment of earlier figures 1 to Fig. 6 and correspondence thereof, are not described further at this.Owing to being provided with aforementioned header 1, parallel-flow heat exchanger of the present invention can avoid refrigerant to be detained, and improves heat exchange property.In addition, owing to being provided with aforementioned structure, the easier impartial distribution of the liquid coolant in parallel-flow heat exchanger of the present invention, the easier equalization shunting of flat tube 2.It should be noted that in the embodiment of the present invention, parallel-flow heat exchanger also at least comprise be oppositely arranged with header 1, with another header 6 of flat tube 2 other end grafting, the middle part of this another header 6 is provided with refrigerant exit pipe 4.Because refrigerant exit pipe 4 is positioned at the middle position of this another header 6, the flow resistance of relatively multiple flat tube 2 also becomes impartial, and the coolant distribution of multiple flat tube 2 is also more easily impartial.
The embodiment of the present invention also provides a kind of aircondition, this aircondition is provided with aforementioned parallel-flow heat exchanger, and owing to being provided with aforementioned parallel-flow heat exchanger, the aircondition in the embodiment of the present invention can avoid refrigerant to be trapped in header, and coolant distribution is more impartial, therefore heat exchange property is better.
These are only the preferred embodiments of the present invention; not thereby the scope of the claims of the present invention is limited; every utilize description of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (9)
1. a header, it is characterized in that, comprise the first cavity and the second cavity that are arranged side by side, described first cavity is provided with the flat hole in order to grafting flat tube, be provided with the refrigerant dispensing orifice both be communicated with between described second cavity and the first cavity, a part of refrigerant in refrigerant pipeline flows to the first cavity from the second cavity; Described header also comprises the 3rd cavity being arranged on the first cavity lower end, described 3rd cavity communicates with the first cavity and is provided with spray-hole, another part refrigerant in refrigerant pipeline flows to the first cavity from the bottom to top from described 3rd cavity, refrigerant inlet pipe inserts the 3rd cavity, 3rd cavity is communicated with the lower end of the second cavity and has intercommunicating pore, the port of refrigerant inlet pipe is positioned at the 3rd cavity, and the position be positioned near spray-hole, refrigerant has the static pressure larger than the second cavity lower end intercommunicating pore at spray-hole place.
2. header as claimed in claim 1, it is characterized in that, described header comprises plate body, described plate body makes the cavity of described header be separated into described first cavity and the second cavity, this plate body is connected with the internal face of cavity and realizes sealing, flat tube patchhole side is wherein had to be the first cavity, dividing plate is provided with between the lower surface of the first cavity and the 3rd cavity, dividing plate connects and seals the end face of the first cavity, dividing plate has described spray-hole, above-mentioned plate body surrounds with described second cavity inner wall face the intercommunicating pore being communicated with the 3rd cavity and the second cavity.
3. header as claimed in claim 1, is characterized in that, be provided with division board, described division board is provided with described spray-hole between described first cavity and the 3rd cavity, the edge of this division board and the first cavity port inner wall face mating shapes.
4. header as claimed in claim 1, is characterized in that, be also provided with contracted flow plate in described first cavity, the edge of this contracted flow plate and the first cavity inner wall face mating shapes, is provided with the contracted flow plate intercommunicating pore being communicated with this contracted flow plate upper and lower cavity refrigerant at contracted flow plate.
5. header as claimed in claim 4, is characterized in that, described contracted flow plate distance header refrigerant inlet end spacing far away is less.
6. header as claimed in claim 5, is characterized in that, more distal apertures footpath is less for described contracted flow plate intercommunicating pore distance header refrigerant inlet end.
7. a parallel-flow heat exchanger, is characterized in that, comprise header according to any one of claim 1 to 6 and one end be plugged on as described in some flat tubes on header, and be arranged on the fin between described some flat tubes.
8. a header, is characterized in that, comprises the first cavity, the second cavity, refrigerant inlet pipe; Described first cavity is provided with the flat hole in order to grafting flat tube, refrigerant inlet pipe is that top closure forms the second cavity, its part be arranged in the first cavity is provided with refrigerant dispensing orifice, described second cavity is communicated with the first cavity by described refrigerant dispensing orifice, and a part of refrigerant in refrigerant pipeline flows to the first cavity from the second cavity; Described header also comprises the 3rd cavity being arranged on the first cavity lower end, another part of refrigerant inlet pipe is also positioned at the 3rd cavity, and the pipeline section being positioned at the 3rd cavity is provided with tap hole, described 3rd cavity communicates with the first cavity and is provided with spray-hole, part refrigerant exports the 3rd cavity to from this tap hole, then inputs to the first cavity by spray-hole and continue upwards to spray; Another part refrigerant upwards sprays through the tube wall of refrigerant inlet pipe, and exports the first cavity to by refrigerant dispensing orifice.
9. a parallel-flow heat exchanger, is characterized in that, comprises header as claimed in claim 8 and one end and is plugged on some flat tubes on described header, and be arranged on the fin between described some flat tubes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310102918.2A CN103206885B (en) | 2013-03-27 | 2013-03-27 | Header pipe, parallel flow heat exchanger and air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310102918.2A CN103206885B (en) | 2013-03-27 | 2013-03-27 | Header pipe, parallel flow heat exchanger and air conditioner |
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| CN103206885A CN103206885A (en) | 2013-07-17 |
| CN103206885B true CN103206885B (en) | 2015-06-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3859264A4 (en) * | 2018-09-30 | 2021-11-24 | Zhejiang Sanhua Intelligent Controls CO., Ltd. | Heat exchanger |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106123627A (en) * | 2016-07-05 | 2016-11-16 | 安徽天大电子科技股份有限公司 | A kind of air-conditioning heat exchanger |
| CN106767012B (en) * | 2016-12-22 | 2019-09-17 | 青岛海尔空调电子有限公司 | A kind of micro-channel heat exchanger and the air conditioner using the micro-channel heat exchanger |
| CN109838944A (en) * | 2017-11-29 | 2019-06-04 | 杭州三花研究院有限公司 | A kind of heat exchanger, a kind of heat exchanger method and a kind of air-conditioning system |
| WO2020039513A1 (en) * | 2018-08-22 | 2020-02-27 | 三菱電機株式会社 | Heat exchanger and air conditioner |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007094422A1 (en) * | 2006-02-15 | 2007-08-23 | Gac Corporation | Heat exchanger |
| JP5097472B2 (en) * | 2007-08-10 | 2012-12-12 | Ｇａｃ株式会社 | Heat exchanger |
| CN101639304A (en) * | 2009-08-17 | 2010-02-03 | 三花丹佛斯（杭州）微通道换热器有限公司 | Heat exchanger and heat exchanging device including same |
| CN202792697U (en) * | 2012-04-23 | 2013-03-13 | 美的集团有限公司 | Parallel flow heat exchanger |
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2013
- 2013-03-27 CN CN201310102918.2A patent/CN103206885B/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3859264A4 (en) * | 2018-09-30 | 2021-11-24 | Zhejiang Sanhua Intelligent Controls CO., Ltd. | Heat exchanger |
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Owner name: MIDEA GROUP CO., LTD. Free format text: FORMER OWNER: MEIDI ELECTRIC APPLIANCES CO., LTD., GUANGDONG Effective date: 20131129 |
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Effective date of registration: 20131129 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 Applicant after: Midea Group Co., Ltd. Address before: 528311 Beijiao, Foshan, Shunde District, the town of Guangdong, the United States Avenue, No. 6 Applicant before: Meidi Electric Appliances Co., Ltd., Guangdong |
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