CN201555396U - Heat exchanger of micro multichannel heat pump type air conditioner with automatic liquid-separating structure - Google Patents
Heat exchanger of micro multichannel heat pump type air conditioner with automatic liquid-separating structure Download PDFInfo
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- CN201555396U CN201555396U CN2009202929784U CN200920292978U CN201555396U CN 201555396 U CN201555396 U CN 201555396U CN 2009202929784 U CN2009202929784 U CN 2009202929784U CN 200920292978 U CN200920292978 U CN 200920292978U CN 201555396 U CN201555396 U CN 201555396U
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Abstract
The utility model discloses a heat exchanger of a micro multichannel heat pump type air conditioner with an automatic liquid-separating structure. The heat exchanger consists of an upper connection pipe, a lower connection pipe, a minuteness channel aluminum strip pipe and wave-shaped ribs. The heat exchanger adopts the wave-shaped ribs or the wave-shaped ribs with shutter holes, and the minuteness channel aluminum strip pipe is connected with the upper connection pipe and the lower connection pipe by means of an automatic liquid-separating structure, thereby solving the problem that the heat-exchange area can not be adequately utilized as the flow of freezing medium is not even in each channel when the heat exchanger is taken as an evaporator, improving the heat-exchange effect and the energy efficiency of the air conditioner, solving the problem that the cooled liquid freezing medium is mixed with steam when the heat exchanger is taken as a condenser, eliminating the problems of throttling and losing efficacy, solving the problem that the freezing medium can not stably flow under the non-designed work condition in the heat exchanger, and leading the freezing medium in the heat exchanger to be automatically adjusted and stably operated by reasonably arranging the assembly mode of the connection among the upper connection pipe, the lower connection pipe and the minuteness channel aluminum strip pipe. The heat exchanger has simple structure, low cost and good heat exchanging performance.
Description
Technical field
The utility model relates to a kind of idle call air cooling heat exchanger, and especially a kind of fine multichannel aluminium strip tube-type air conditioner heat exchanger belongs to air conditioner technical field.
Background technology
At present, the idle call heat exchanger is based on finned tube.Main tubing is copper pipe.How to be issued to energy-conservation for the purpose prerequisite in consumption less material cost, raising air-conditioner efficiency; Advance China's awareness of saving energy, save material consumption, seem outstanding all the more to improve the air-conditioner production cost market competitiveness.In recent years, along with developing rapidly of micro-scale heat transfer technology, fine multichannel aluminium strip heat exchange of heat pipe is just promoted, is used gradually at automotive field.But motorcar air conditioner can not directly be introduced the domestic air conditioning industry, and is main because gas cooler can not be made evaporimeter.
At present, the idle call heat exchanger is based on finned tube.Main tubing is copper pipe.How to be issued to energy-conservation for the purpose prerequisite in consumption less material cost, raising air-conditioner efficiency; Advance China's awareness of saving energy, save material consumption, seem outstanding all the more to improve the air-conditioner production cost market competitiveness.In recent years, along with developing rapidly of micro-scale heat transfer technology, fine multichannel aluminium strip heat exchange of heat pipe is just promoted, is used gradually at automotive field.Fine multi-channel heat exchanger is applied at air conditioning for automobiles, air cooler etc. as condenser, but researches and develops as evaporimeter, becomes one of international hot issue gradually.
Fine multi-channel heat exchanger as the evaporimeter of heat pump type air conditioner, is had the less pressure drop of better heat transfer property and air side, but have following technological difficulties: a, when being used as evaporimeter, the uniform distribution problem of cold-producing medium two-phase fluid in sub-channel; Stable, safe operation problem that b, heat exchanger switch between refrigeration and heat supply operating mode; The stool problems of c, defrosting, defrosting and condensate water.
Chinese patent open (CN:101093123A) adopts automatic solution dividing structure, has solved above-mentioned cold-producing medium two-phase fluid uniform distribution problem in sub-channel preferably.But find that by calculating this arrangement form has produced new problem again: at first, the communicating pipe number of setting can not effectively realize gas communication, need more communicating pipe, this has just increased invalid heat exchange area; Secondly, it is cooling load or heating load all can change along with changes of seasons, can not realize the throughput requirement of Various Seasonal the communicating pipe of fixed number, cause the cold-producing medium two-phase fluid liquid level frequent variations in lower collector pipe, it is bigger to fluctuate, thus between different operating conditions, switch stable very poor; Narrower corrugated plate spacing frequently defrosts when causing the frosting operation, has influenced the runnability of heat exchanger.
The utility model content
At current social each department to the defective of the standard-required of air-conditioning efficiency, prior art and realize the field of heat exchangers development trend of aluminium for copper, the purpose of this utility model provides a kind of micro-channel heat pump type air-conditioner heat exchanger with automatic solution dividing structure, to solve under the prerequisite of different operating conditions, the gas-liquid two-phase cold-producing medium problem stable operation of each channel allocation inequality in evaporimeter, eliminate invalid heat exchange area, realize compacter heat exchanger, and reach the purpose of saving material, solved the defrosting and the drainage problem that exist in winter, summer.
The technical solution of the utility model is as follows:
A kind of fine multi-channel heat pump type air-conditioner heat exchanger with automatic solution dividing structure, this heat exchanger comprises upper header, lower collector pipe, refrigerant inlet, refrigerant outlet, be arranged on the fine multichannel aluminium strip pipe that is arranged in parallel between upper header and the lower collector pipe, and the fin between aluminium strip pipe and the aluminium strip pipe, on the described fine multichannel aluminium strip pipe, the bottom is inserted into respectively in upper header and the lower collector pipe, described refrigerant inlet and refrigerant inlet are arranged on the homonymy or the heteropleural of fine multichannel aluminium strip pipe, it is characterized in that: the upper end of described fine multichannel aluminium strip pipe and bottom structure are curved surface, a kind of in inclined-plane and the folding face, or by the plane, the structure of any two kinds of compositions in curved surface and the inclined-plane.
The fine multi-channel heat pump type air-conditioner heat exchanger of the another kind band automatic solution dividing structure that the utility model provides, this heat exchanger comprises upper header, lower collector pipe, refrigerant inlet, refrigerant outlet, be arranged on the fine multichannel aluminium strip pipe that is arranged in parallel between upper header and the lower collector pipe, and the fin between aluminium strip pipe and the aluminium strip pipe, on the described fine multichannel aluminium strip pipe, the bottom is inserted into respectively in upper header and the lower collector pipe, described refrigerant inlet and refrigerant inlet are arranged on the homonymy or the heteropleural of fine multichannel aluminium strip pipe, it is characterized in that: described fine multichannel aluminium strip pipe upper-end structure is the plane, the bottom structure is a curved surface, a kind of in inclined-plane and the folding face, or the bottom structure is by the plane, the structure of any two kinds of compositions in curved surface and the inclined-plane.
The fine multi-channel heat pump type air-conditioner heat exchanger of another band automatic solution dividing structure that the utility model provides, this heat exchanger comprises upper header, lower collector pipe, refrigerant inlet, refrigerant outlet, be arranged on the fine multichannel aluminium strip pipe that is arranged in parallel between upper header and the lower collector pipe, and the fin between aluminium strip pipe and the aluminium strip pipe, on the described fine multichannel aluminium strip pipe, the bottom is inserted into respectively in upper header and the lower collector pipe, described refrigerant inlet and refrigerant inlet are arranged on the homonymy or the heteropleural of fine multichannel aluminium strip pipe, it is characterized in that: described fine multichannel aluminium strip pipe bottom structure is the plane, upper-end structure is a curved surface, a kind of in inclined-plane and the folding face, or upper-end structure is by the plane, the structure of any two kinds of compositions in curved surface and the inclined-plane.
The section configuration of upper header described in the technique scheme and lower collector pipe is circle, ellipse, rectangle, semicircle or half elliptic.
Described fin adopts the waveform fin, or adopts the wave rib of band blinds pore structure; The inclination angle of fin and horizontal direction is α=5～45 °, and distance is d=1.5mm～7mm between fin and the fin;
The utility model compared with prior art, have the following advantages and the high-lighting effect: 1. eliminate invalid heat exchange area: special structure is adopted in the end of inserting the fine multichannel aluminium strip pipe of upper header, lower collector pipe, has eliminated because of the more invalid heat exchange area that causes of communicating pipe number; And, solved cold-producing medium two phase flow mobile uneven problem in evaporimeter; 2. stable operation under the various operating modes: when moving under the various operating modes of air-conditioner Various Seasonal, this heat exchanger can be realized self-regulating function, and operating mode is stable; 3. be convenient to summer condition air side condensation water and drain the stable operation of winter condition frosting, defrosting; 4. reduce the filling quantity of cold-producing medium: experiment is found, when upper header and lower collector pipe are selected different cross sectional form for use, can be reduced the filling quantity about 30% of cold-producing medium; Because the greenhouse effects (GWP) of cold-producing medium are about 1700 times of carbon dioxide, and energy-conservation and reduction of discharging are had dual realistic meaning.
Description of drawings
The structural representation of first kind of embodiment of micro-channel heat pump type air-conditioner heat exchanger of the band automatic solution dividing structure that Fig. 1 provides for the utility model.
The structural representation of second kind of embodiment of micro-channel heat pump type air-conditioner heat exchanger of the band automatic solution dividing structure that Fig. 2 provides for the utility model.
Fig. 3 is the structural representation of waveform fin.
Fig. 4 is the structural representation of the waveform fin in band blinds hole.
Fig. 5 is the structural representation of another kind of waveform fin.
Fig. 6 is the structural representation of the waveform fin in another kind of band blinds hole.
Fig. 7 is the A-A sectional view of Fig. 1.
Fig. 8 is the end construction of the micro-channel aluminium strip pipe of insertion upper header or lower collector pipe.
Fig. 9 is the sectional view of upper header and lower collector pipe.
Among the figure: the 1-upper header; The fine multichannel aluminium strip of 2-pipe; The 3-fin; The 4-lower collector pipe.
The specific embodiment
Below in conjunction with accompanying drawing principle of the present utility model, structure and the specific embodiment are described further.
The structural representation of the micro-channel heat pump type air-conditioner heat exchanger embodiment of the band automatic solution dividing structure that Fig. 1, Fig. 2 provide for the utility model, this heat exchanger comprises upper header 1, lower collector pipe 4, refrigerant inlet, refrigerant outlet, is arranged on the fine multichannel aluminium strip pipe 2 that is arranged in parallel between upper header and the lower collector pipe, and the fin 3 between aluminium strip pipe and the aluminium strip pipe, described fine multichannel aluminium strip pipe upper and lower end portion is inserted into respectively in upper header and the lower collector pipe, and described refrigerant inlet and refrigerant outlet are arranged on the homonymy or the heteropleural of fine multichannel aluminium strip pipe; The upper end of fine multichannel aluminium strip pipe and bottom structure are a kind of in curved surface, inclined-plane and the folding face, or by any two kinds of structures formed (shown in Fig. 7 a) in plane, curved surface and the inclined-plane; Or to adopt upper-end structure be the plane, and the bottom structure is a kind of (shown in Fig. 7 b) in curved surface, inclined-plane and the folding face; Also can adopt the bottom structure by any two kinds of structures formed (shown in Fig. 7 c) in plane, curved surface and the inclined-plane.
Fig. 8 is the end construction schematic diagram of the micro-channel aluminium strip pipe of insertion upper header or lower collector pipe, and wherein: Fig. 8 a, 8b are curved surface; Fig. 8 c is the inclined-plane; 8d, 8e are the folding face, and 8f, 8g, 8n are that plane and inclined-plane constitute; 8h is that plane and curved surface constitute; 8i is that curved surface and folding face constitute; 8j, 8k, 8l, 8m, 8o are that plane and folding face constitute; 8p is that inclined-plane and curved surface constitute.
The section configuration of described upper header and lower collector pipe is that circle, ellipse, rectangle, semicircle and half elliptic etc. are (referring to Fig. 9 a～9h).
Described fin can adopt the waveform fin, or adopts the wave rib (as Fig. 3, Fig. 4, Fig. 5 and shown in Figure 6) of band blinds pore structure; The inclination angle of fin and horizontal direction is generally α=5～45 °, and distance is generally d=1.5mm～7mm (as shown in Figure 1 and Figure 2) between fin and the fin.
Under cooling condition, this heat exchanger serves as condenser to be used.Superheated refrigerant steam enters into the micro-channel heat pump type air-conditioner heat exchanger of being with automatic solution dividing structure from upper header 1, according to the upper header of design and the automatic solution dividing structure between fine multichannel aluminium strip pipe, realize the automatic uniform distribution of superheated refrigerant steam, fluid flow through fine multichannel aluminium strip pipe 2 be cooled cooling, condense, cross cold after, flow out fine multichannel aluminium strip pipe, liquid refrigerant enters lower collector pipe 4, and this heat exchanger is realized the effect of condenser then.
Under heating condition, this heat exchanger serves as evaporimeter to be used.The gas-liquid two-phase cold-producing medium that comes out from throttling arrangement at first flows into lower collector pipe 4, enter in the micro-channel heat pump type air-conditioner heat exchanger of band automatic solution dividing structure, according to the lower collector pipe of design and the automatic solution dividing structure of fine multichannel aluminium strip pipe, realize that biphase gas and liquid flow evenly enters each fine multichannel aluminium strip pipe 2, along with flow carry out cold-producing medium heat absorption, evaporation, overheated after, flow into upper header, flow out this heat exchanger, realize the effect of evaporimeter by upper header.This heat exchanger is as in the evaporimeter, and when condensate water being arranged or the defrosting water generates of defrost process is arranged, according to adopting corresponding rib structure and size, condensate water is easy to exclude.
The utility model not only can be applied to heat pump type air conditioner, also is applicable to the various occasions that other adopt air-cooled heat exchange.
Claims (6)
1. fine multi-channel heat pump type air-conditioner heat exchanger with automatic solution dividing structure, this heat exchanger comprises upper header (1), lower collector pipe (4), refrigerant inlet, refrigerant outlet, be arranged on the fine multichannel aluminium strip pipe (2) that is arranged in parallel between upper header and the lower collector pipe, and the fin (3) between aluminium strip pipe and the aluminium strip pipe, on the described fine multichannel aluminium strip pipe, the bottom is inserted into respectively in upper header and the lower collector pipe, described refrigerant inlet and refrigerant outlet are arranged on the homonymy or the heteropleural of fine multichannel aluminium strip pipe, it is characterized in that: the upper end of described fine multichannel aluminium strip pipe and bottom structure are curved surface, a kind of in inclined-plane and the folding face, or by the plane, the structure of any two kinds of compositions in curved surface and the inclined-plane.
2. fine multi-channel heat pump type air-conditioner heat exchanger with automatic solution dividing structure, this heat exchanger comprises upper header (1), lower collector pipe (4), refrigerant inlet, refrigerant outlet, be arranged on the fine multichannel aluminium strip pipe (2) that is arranged in parallel between upper header and the lower collector pipe, and the fin (3) between aluminium strip pipe and the aluminium strip pipe, on the described fine multichannel aluminium strip pipe, the bottom is inserted into respectively in upper header and the lower collector pipe, described refrigerant inlet and refrigerant outlet are arranged on the homonymy or the heteropleural of fine multichannel aluminium strip pipe, it is characterized in that: described fine multichannel aluminium strip pipe upper-end structure is the plane, the bottom structure is a curved surface, a kind of in inclined-plane and the folding face, or the bottom structure is by the plane, the structure of any two kinds of compositions in curved surface and the inclined-plane.
3. fine multi-channel heat pump type air-conditioner heat exchanger with automatic solution dividing structure, this heat exchanger comprises upper header (1), lower collector pipe (4), refrigerant inlet, refrigerant outlet, be arranged on the fine multichannel aluminium strip pipe (2) that is arranged in parallel between upper header and the lower collector pipe, and the fin (3) between aluminium strip pipe and the aluminium strip pipe, on the described fine multichannel aluminium strip pipe, the bottom is inserted into respectively in upper header and the lower collector pipe, described refrigerant inlet and refrigerant outlet are arranged on the homonymy or the heteropleural of fine multichannel aluminium strip pipe, it is characterized in that: described fine multichannel aluminium strip pipe bottom structure is the plane, upper-end structure is a curved surface, a kind of in inclined-plane and the folding face, or upper-end structure is by the plane, the structure of any two kinds of compositions in curved surface and the inclined-plane.
4. according to claim 1,2 or 3 described a kind of fine multi-channel heat pump type air-conditioner heat exchangers with automatic solution dividing structure, it is characterized in that: the section configuration of described upper header (1) and lower collector pipe (4) is circle, ellipse, rectangle, semicircle or half elliptic.
5. according to the fine multi-channel heat pump type air-conditioner heat exchanger of claim 1,2 or 3 described band automatic solution dividing structures, described fin adopts the waveform fin, the inclination angle of fin and horizontal direction is α=5～45 °, and distance is d=1.5mm～7mm between fin and the fin.
6. according to the fine multi-channel heat pump type air-conditioner heat exchanger of the described band automatic solution dividing structure of claim 5, described waveform fin adopts the waveform fin of band blinds pore structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202929784U CN201555396U (en) | 2009-12-15 | 2009-12-15 | Heat exchanger of micro multichannel heat pump type air conditioner with automatic liquid-separating structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202929784U CN201555396U (en) | 2009-12-15 | 2009-12-15 | Heat exchanger of micro multichannel heat pump type air conditioner with automatic liquid-separating structure |
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| Publication Number | Publication Date |
|---|---|
| CN201555396U true CN201555396U (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202929784U Expired - Lifetime CN201555396U (en) | 2009-12-15 | 2009-12-15 | Heat exchanger of micro multichannel heat pump type air conditioner with automatic liquid-separating structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101738011B (en) * | 2009-12-15 | 2012-11-21 | 清华大学 | Microfine multi-channel heat pump type air-conditioner heat exchanger with automatic liquid distribution structure |
| WO2020063972A1 (en) * | 2018-09-30 | 2020-04-02 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| WO2020063962A1 (en) * | 2018-09-30 | 2020-04-02 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| WO2020191791A1 (en) * | 2019-03-26 | 2020-10-01 | 山东烯泰天工节能科技有限公司 | Internet-of-things air conditioning outdoor unit having miniature display screen |
-
2009
- 2009-12-15 CN CN2009202929784U patent/CN201555396U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101738011B (en) * | 2009-12-15 | 2012-11-21 | 清华大学 | Microfine multi-channel heat pump type air-conditioner heat exchanger with automatic liquid distribution structure |
| WO2020063972A1 (en) * | 2018-09-30 | 2020-04-02 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| WO2020063962A1 (en) * | 2018-09-30 | 2020-04-02 | 浙江三花智能控制股份有限公司 | Heat exchanger |
| US11913735B2 (en) | 2018-09-30 | 2024-02-27 | Hangzhou Sanhua Research Institute Co., Ltd. | Heat exchanger |
| WO2020191791A1 (en) * | 2019-03-26 | 2020-10-01 | 山东烯泰天工节能科技有限公司 | Internet-of-things air conditioning outdoor unit having miniature display screen |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20100818 Effective date of abandoning: 20091215 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20100818 Effective date of abandoning: 20091215 |
|
| RGAV | Abandon patent right to avoid regrant |