CN102455086A - Heat exchanger structure - Google Patents
Heat exchanger structure Download PDFInfo
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- CN102455086A CN102455086A CN2010105149160A CN201010514916A CN102455086A CN 102455086 A CN102455086 A CN 102455086A CN 2010105149160 A CN2010105149160 A CN 2010105149160A CN 201010514916 A CN201010514916 A CN 201010514916A CN 102455086 A CN102455086 A CN 102455086A
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- capillary
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- heat exchanger
- channel flat
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Abstract
The invention discloses a heat exchanger structure, which comprises fins, a header and a micro-channel flat pipe. The heat exchanger structure is characterized by also comprising a capillary micro-channel flat pipe, two ends of which are communicated with the header, wherein the capillary micro-channel flat pipe is provided with a capillary micro-channel in the longitudinal direction; and a partition plate for partitioning the capillary micro-channel flat pipe and the micro-channel flat pipe is arranged at the communicated end of the header and an external coolant flow passage. According to the heat exchanger structure, the flat pipe with the capillary micro-channel is used as a throttling coolant flow passage, so that a general capillary pipe made of copper material is saved, the cost of an air conditioner is reduced, the same throttling effect is kept, and the welding of the capillary pipe is reduced; and the flat pipe with the capillary micro-channel is integrated to an evaporator, so that the shock strength is increased and the reliability can be improved.
Description
Technical field
The present invention relates to a kind of heat exchanger, particularly a kind of capillary throttle structure of heat exchanger.
Background technology
When room air conditioner moved at cooling condition, the room air evaporimeter of flowing through made temperature reduce.Simultaneously because the temperature of evaporator surface generally is starkly lower than the dew-point temperature of air, so air is when flowing through evaporator surface, and airborne part moisture will be separated out, thereby forms condensate at evaporator surface.Condensate at evaporator surface should in time be drained; If it is more that condensate is gathered at evaporator surface,, increase the flow resistance of air with the obstruct airflow road; Efficient with the reduction evaporimeter: water droplet also might take place be blown into indoor situation, cause the off quality of air-conditioner.
Fin-tube heat exchanger is a heat exchanger pattern with the most use in the present refrigerating air conditioning device, and room air conditioner and air-cooled handpiece Water Chilling Units mostly adopt this heat exchanger.This heat exchanger is adding man-hour, is punching on fin, flange, and the height of flange is the spacing between fin, and the annulus that flange forms is enclosed within on the pipe, makes that fin is able to through this annulus and pipe excellent contact arranged, and improves heat transfer efficiency.
Fig. 1 is the heat exchanger structure sketch map of prior art air-conditioning.Fig. 2 is the cross sectional view of heat exchanger structure shown in Figure 1.Like Fig. 1, shown in Figure 2, the multiple input multiple output type tube-strip heat exchanger structure of prior art, it comprises fin 3 and the flat tube 2 that runs through fin 3; Wherein said flat tube is a high frequency aluminium welded tube; For guarantee flat tube 2 and fin 3 combine have good thermal diffusivity, employing be that the mode of welding combines both, the upper end of flat tube 2 is welded to connect with inlet header 1 with being communicated with; The lower end of flat tube 2 is welded to connect with outlet header 4 with being communicated with; Thereby the refrigerant in the inlet header 1 disperses to flow in a plurality of flat tubes 2, is compiled in the outlet header 4 through after the heat exchange, facilitates heat exchanger like this and is connected with exterior line.
In existing heat exchanger, need capillary to carry out throttling before the entering collector, capillary adopts welding with being connected of collector more, many places welding cost height and complicated operation, multiple spot welding simultaneously also causes the unstability of use, and vibrations are easy to generate pine and weld.
Summary of the invention
Technical problem to be solved by this invention is the shortcoming that overcomes prior art, and a kind of heat exchanger structure is provided, and it can effectively reduce quantity capillaceous, improves its resistance to overturning.
The technical scheme that the present invention adopted is:
A kind of heat exchanger structure; Comprise fin, collector and micro-channel flat; It is characterized in that: it also comprises the capillary micro-channel flat that two ends are communicated with collector; The capillary micro-channel flat offers the capillary microchannel along its longitudinal direction, and the end that is communicated with of said collector and outside refrigerant flow is provided with the dividing plate that capillary micro-channel flat and micro-channel flat are separated.
Preferably described capillary micro-channel flat is made of aluminum, in offer two capillary microchannels, internal diameter is at 0.2-5mm.
Preferably, described capillary micro-channel flat is arranged on the top or the middle part of collector.
Further, on described heat exchanger, be provided with at least two capillary micro-channel flat symmetrically.
The invention has the beneficial effects as follows: heat exchanger structure of the present invention; Use carries the flat tube of capillary microchannel as the throttling refrigerant flow, has save general copper product capillary the air-conditioning cost is reduced, when keeping identical throttling action; Reduce welding capillaceous; One-body molded in evaporimeter, shock strength increases, and can improve reliability.
Description of drawings
Fig. 1 is the heat exchanger structure sketch map of prior art air-conditioning;
Fig. 2 is the cross sectional view of heat exchanger structure shown in Figure 1;
Fig. 3 is a capillary micro-channel flat side view of the present invention;
Fig. 4 is the cross sectional view of capillary micro-channel flat shown in Figure 3;
Fig. 5 is an exchanger header sectional view of the present invention;
Fig. 6 is the local enlarged diagram of A portion shown in Figure 5;
Fig. 7 is a heat exchanger overall structure sketch map of the present invention.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is done further explain:
Shown in Fig. 3-7; Micropassage type flat pipe heat exchanger structure of the present invention comprises fin, collector 10, collector 40 and micro-channel flat 20 and capillary micro-channel flat 50; Wherein said fin is the rectangular aluminum thin slice; Offer the punching of many groups on it evenly and at intervals, described punching helps air-flow and circulates within it to strengthen the radiating effect of radiator.Between two groups of punchings, offer tangible pipe-line tank, the width of described pipe-line tank is a bit larger tham the corresponding micro-channel flat 20 or the thickness of capillary micro-channel flat 50, and micro-channel flat and capillary micro-channel flat can successfully be got in the pipe-line tank.Further, be provided with flange around the described pipe-line tank, to strengthen being connected between fin and micro-channel flat 20 or the capillary micro-channel flat 50.
Certainly, adopt the Wavelike finned same effect that can realize the present invention, repeat no more at this.
Micro-channel flat of the present invention is generally aluminium matter flat tube, and described micro-channel flat is for being provided with a plurality of demarcation strips in its tube chamber, and demarcation strip is divided into several not connected microchannels equably along the duct orientation extension of flat tube and with tube chamber.
Like Fig. 3, shown in Figure 4; Capillary micro-channel flat of the present invention offers two capillary microchannels 51 along its longitudinal direction; The effect of described capillary microchannel 51 and effect capillaceous are same, and its aperture is identical with the pore size of ordinary copper material capillary throttling, generally at 0.2-5mm; When it was mounted to heat exchanger, the capillary micro-channel flat can the throttling refrigerant flow.That is, adopt the capillary micro-channel flat to substitute capillary in the present invention, this heat exchanger carries the capillary micro-channel flat, and general copper product capillary is replaced by aluminum capillary micro-channel flat, and the air-conditioning cost is reduced; Reduce welding capillaceous simultaneously, one-body molded in heat exchanger, shock strength increases, and can improve reliability.
Shown in Fig. 5-7; Capillary micro-channel flat 51 of the present invention is arranged on the upper end of collector 10 and collector 40 and is communicated with it; And described collector upper end is connected with outside refrigerant flow; Below capillary micro-channel flat 51, be provided with many group micro-channel flat 20, be provided with dividing plate 52 in described capillary micro-channel flat 51 with outside refrigerant flow link, described dividing plate 52 is divided into two parts with collector; Top will be limited and flowed into refrigerant through capillary micro-channel flat 51, to realize the stream throttling purpose of capillary micro-channel flat 51.Refrigerant gets into collector 40 through capillary micro-channel flat 51 backs; In collector 40, refrigerant is dispersed in each micro-channel flat 20, preferably, for increasing flowing time and the scope of refrigerant in heat exchanger; Be provided with a plurality of dividing plates accordingly in described collector 10 and the collector 40; Dividing plate is divided into a plurality of cavitys that do not communicate with collector, flows in the dioptric type of heat exchanger so as to realizing refrigerant, improves the heat exchange effect.
Further, for improving distribution and the flow of refrigerant in heat exchanger, on described heat exchanger, a plurality of capillary micro-channel flat can be set equably, as being symmetrical set two capillary micro-channel flat up and down, refrigerant flows into from the collector two ends and flows out from middle.Capillary micro-channel flat more than three or three can certainly be set, realize that the refrigerant of large heat exchanger evenly distributes.
Size and the radical that it is pointed out that hole count, its length of capillary micro-channel flat depends on that whole air-conditioning system wants the effect of throttling relevant.
In sum, heat exchanger structure of the present invention uses the flat tube that carries the capillary microchannel as the throttling refrigerant flow; Having save general copper product capillary reduces the air-conditioning cost; When keeping identical throttling action, reduce welding capillaceous, one-body molded in evaporimeter; Shock strength increases, and can improve reliability.
The above only is a preferred implementation of the present invention; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; Can also make some improvement and retouching, these improvement and retouching also should be regarded as protection scope of the present invention.
Claims (7)
1. heat exchanger structure; Comprise fin, collector and micro-channel flat; It is characterized in that: it also comprises the capillary micro-channel flat (50) that two ends are communicated with collector; The capillary micro-channel flat offers capillary microchannel (51) along its longitudinal direction, and the end that is communicated with of said collector and outside refrigerant flow is provided with the dividing plate that capillary micro-channel flat and micro-channel flat are separated.
2. heat exchanger structure as claimed in claim 1 is characterized in that: offer two capillary microchannels (51) in the described capillary micro-channel flat.
3. heat exchanger structure as claimed in claim 1 is characterized in that: described capillary microchannel internal diameter is at 0.2-5mm.
4. heat exchanger structure as claimed in claim 1 is characterized in that: described capillary micro-channel flat is made of aluminum.
5. heat exchanger structure as claimed in claim 1 is characterized in that: described capillary micro-channel flat is arranged on the top of collector.
6. heat exchanger structure as claimed in claim 1 is characterized in that: described capillary micro-channel flat is arranged on the middle part of collector.
7. heat exchanger structure as claimed in claim 1 is characterized in that: on described heat exchanger, be provided with at least two capillary micro-channel flat symmetrically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105149160A CN102455086A (en) | 2010-10-21 | 2010-10-21 | Heat exchanger structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105149160A CN102455086A (en) | 2010-10-21 | 2010-10-21 | Heat exchanger structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102455086A true CN102455086A (en) | 2012-05-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105149160A Pending CN102455086A (en) | 2010-10-21 | 2010-10-21 | Heat exchanger structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102455086A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105953480A (en) * | 2016-02-26 | 2016-09-21 | 泰铂（上海）实业有限公司 | Parallel flow micro-channel condenser capable of defrosting by using heat pump |
| US9801313B2 (en) | 2015-06-26 | 2017-10-24 | Microsoft Technology Licensing, Llc | Underwater container cooling via integrated heat exchanger |
| US9844167B2 (en) | 2015-06-26 | 2017-12-12 | Microsoft Technology Licensing, Llc | Underwater container cooling via external heat exchanger |
| CN113899115A (en) * | 2021-10-27 | 2022-01-07 | 深圳市酷凌时代科技有限公司 | Water-refrigerant heat exchange device and miniature refrigerating system |
-
2010
- 2010-10-21 CN CN2010105149160A patent/CN102455086A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9801313B2 (en) | 2015-06-26 | 2017-10-24 | Microsoft Technology Licensing, Llc | Underwater container cooling via integrated heat exchanger |
| US9844167B2 (en) | 2015-06-26 | 2017-12-12 | Microsoft Technology Licensing, Llc | Underwater container cooling via external heat exchanger |
| CN105953480A (en) * | 2016-02-26 | 2016-09-21 | 泰铂（上海）实业有限公司 | Parallel flow micro-channel condenser capable of defrosting by using heat pump |
| CN113899115A (en) * | 2021-10-27 | 2022-01-07 | 深圳市酷凌时代科技有限公司 | Water-refrigerant heat exchange device and miniature refrigerating system |
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Legal Events
| Date | Code | Title | Description |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120516 |