CN101118107A - Condensator and heat exchange method thereof - Google Patents
Condensator and heat exchange method thereof Download PDFInfo
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- CN101118107A CN101118107A CNA200610099573XA CN200610099573A CN101118107A CN 101118107 A CN101118107 A CN 101118107A CN A200610099573X A CNA200610099573X A CN A200610099573XA CN 200610099573 A CN200610099573 A CN 200610099573A CN 101118107 A CN101118107 A CN 101118107A
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Abstract
The present invention discloses a condenser, the condenser comprises a condenser inlet, a hairpin pipe connected with the condenser inlet, and a condenser outlet connected with the hairpin pipe, wherein, the condenser inlet is positioned on an air outlet side of the condenser, the condenser outlet is positioned on an air inlet side of the condenser; the present invention also discloses a heat exchange method of the condenser, the heat exchange of the condenser adopts a counter flow design, air is blown into the condenser from an air inlet side by an outside fan, refrigerant flows into the hairpin pipe from the condenser inlet and flows out from the condenser outlet, outdoor side wind flows oppositely with the flow direction of refrigerant in the condenser hairpin pipe through the direction of the condenser, wind and refrigerant operate heat exchange through the condenser.
Description
Technical field
The present invention relates to the air conditioner refrigerating technical field, relate in particular to a kind of condenser and heat change method thereof.
Background technology
General domestic air conditioning mainly comprises four parts: compressor, condenser, evaporimeter and throttle part.The refrigeration principle of air-conditioning as shown in Figure 1.After the air-conditioning energising, the low-pressure steam of refrigeration system inner refrigerant is sucked also by compressor and drains into condenser behind the boil down to high steam.Simultaneously the outdoor air that sucks of the fan condenser of flowing through is taken away the cold-producing medium liberated heat, makes high pressure refrigerant vapor be condensed into highly pressurised liquid.Spray into evaporimeter behind highly pressurised liquid process filter, the throttle mechanism, and under corresponding low pressure, evaporating, the heat around drawing.Simultaneously fan constantly enters between the fin of evaporimeter air to carry out heat exchange, and sends back to the air that turns cold after the heat release indoor.So room air constantly circulates, and reaches the purpose that reduces temperature.
Condenser is a radiating element unique in the air-conditioning system.It is a heat converter, and major function is the liquid coolant that the gas coolant of the high pressure-temperature that will come out from compressor compresses is cooled to temperature the high pressure.Condenser mainly comprises condenser inlet, condensator outlet, hair fastener pipe, fin, liquid in-out pipe, tube sheet etc.
Heat exchange in the existing condenser all adopts following current to design, and its principle as shown in Figure 2.The direction of the wind that the flow direction of refrigerant and outside fan are sent in the condenser is consistent, when heat exchange begins, the outer crosswind of outside fan 201 suction chambers also blows to condenser 104, the hair fastener pipe 203 that the while refrigerant flows into the condensers from condenser inlet 202, and from condensator outlet 204 outflow condensers, wherein condenser inlet is positioned at the inlet side, and condensator outlet is positioned at the air side.This shows that in the whole heat exchanging process, the flow direction of refrigerant is consistent with the direction of wind.
Adopt following current to the heat exchange effect of mode as shown in Figure 3, comprise refrigerant temperature curve 301, wind-warm syndrome write music line 302 and heat exchange zone 303, wherein the arrow points on the refrigerant temperature curve is the flow direction of refrigerant, as seen from Figure 3.Refrigerant is in the overheated zone during beginning, and the temperature difference of refrigerant and wind is big, so heat exchange performance is good; After refrigerant temperature descended gradually, enters the cold-zone through the saturation region, the temperature difference of refrigerant and wind was more and more littler of finally there not being heat exchange, thereby causes the whole heat exchange deleterious of condenser.
In the prior art, condenser is the purpose that reaches the reduction temperature by the cooling effect of wind, and in the design of existing condenser, the overheated zone of condenser is positioned at the position, inlet side, wind is cooling medium in heat exchanging process, continue to raise through temperature after the heat exchange, so the condensator outlet temperature does not almost have heat exchange near the temperature of wind, limited the cooling effect of condenser, and then cause the refrigerating capacity of air-conditioning little, and power consumption is higher, is unfavorable for improving the Energy Efficiency Ratio of air-conditioning.
Summary of the invention
Main purpose of the present invention provides a kind of condenser, and the stream design causes refrigerant almost not have heat exchange behind the saturation region owing to condenser adopts forward in the prior art to solve, and the problem of the whole heat exchange weak effect of condenser improves the whole heat exchange effect of condenser.
Another object of the present invention provides a kind of heat change method of condenser, effectively improves the Energy Efficiency Ratio of air-conditioning.
To achieve these goals, the invention provides following technical scheme:
A kind of condenser, described condenser inlet is positioned at the air side of condenser, and condensator outlet is positioned at the inlet side of condenser, and the direction of the wind that the outside fan is blown into is opposite with the refrigerant flow direction in the condenser hair fastener pipe, and refrigerant and wind carry out heat exchange by condenser.
A plurality of centres hair fastener pipe that described hair fastener pipe comprises the import hair fastener pipe that links to each other with condenser inlet, the outlet hair fastener pipe that links to each other with condensator outlet, links to each other respectively with import hair fastener pipe and outlet hair fastener pipe.
Part or all of described condenser inlet and import hair fastener pipe is positioned at the overheated zone of heat exchange.
When the part of described condenser inlet and import hair fastener pipe was positioned at the overheated zone of heat exchange, import hair fastener pipe tilted to place; Perhaps
When described condenser inlet and import hair fastener pipe whole were positioned at the overheated zone of heat exchange, import hair fastener pipe was vertically placed.
Described condensator outlet is positioned at the cold-zone of crossing of heat exchange with part or all of outlet hair fastener pipe.
The part of described condensator outlet and outlet hair fastener pipe be positioned at heat exchange cross the cold-zone time, outlet hair fastener pipe tilts to place; Perhaps
Described condensator outlet and outlet hair fastener pipe whole be positioned at heat exchange cross the cold-zone time, outlet hair fastener pipe is vertically placed.
The described middle hair fastener pipe that links to each other with import hair fastener pipe is vertically placed with the middle hair fastener pipe that links to each other with outlet hair fastener pipe.
The part of hair fastener pipe or middle hair fastener pipe and import hair fastener pipe is positioned at the saturation region of heat exchange in the middle of described.
The part of hair fastener pipe or middle hair fastener pipe and outlet hair fastener pipe is positioned at the saturation region of heat exchange in the middle of described.
A kind of heat change method of condenser, described condenser comprises condenser inlet, hair fastener pipe and condensator outlet, it is characterized in that, described method comprises:
Refrigerant flows into the hair fastener pipe from condenser inlet, flows out from condensator outlet then;
Outdoor crosswind is along being blown into condenser with refrigerant by the opposite direction of condenser;
Outdoor crosswind and refrigerant carry out heat exchange by condenser.
The heat exchange of described wind and refrigerant specifically comprises overheated zone heat exchange, saturation region heat exchange and crosses the cold-zone heat exchange.
Described inlet side is provided with the outlet of condenser and carried out the heat exchange of cold-zone, and the air side is provided with the import of condenser and carries out the heat exchange of overheated zone.
By technical scheme provided by the invention as seen, the counter current flow mode is adopted in the condenser heat exchange among the present invention, make the flow direction of refrigerant in the condenser opposite with the direction of wind, under the identical situation of condenser inlet temperature, the outlet temperature of condenser is lower than the temperature of wind, strengthened the integrally cooling ability of air-conditioning, the power of air-conditioning reduces, and has improved the Energy Efficiency Ratio of air-conditioning effectively.
Description of drawings
Fig. 1 is the schematic diagram of refrigerating of air-conditioner;
Fig. 2 is the heat exchange principle figure of condenser in the prior art;
Fig. 3 be in the prior art following current to the heat exchange schematic diagram;
Fig. 4 is the structure chart of condenser first embodiment of the present invention;
Fig. 5 is the structure chart of condenser second embodiment of the present invention;
Fig. 6 is the structure chart of condenser the 3rd embodiment of the present invention;
Fig. 7 is the structure chart of condenser the 4th embodiment of the present invention;
Fig. 8 is a counter current flow heat exchange schematic diagram among the present invention.
The specific embodiment
Core of the present invention is in the condenser heat exchanging process, and the counter current flow design is adopted in heat exchange in the condenser, that is to say that to make the direction of the wind that the outside fan is blown into opposite with the refrigerant flow direction in the condenser hair fastener pipe.
Condenser of the present invention mainly comprises condenser inlet, hair fastener pipe that links to each other with condenser inlet and the condensator outlet that links to each other with the hair fastener pipe, wherein condenser inlet is positioned at the air side of condenser, condensator outlet is positioned at the inlet side of condenser, and the relative position of condenser inlet and condensator outlet and hair fastener pipe can have multiple arrangement mode.To comprise in the condenser that seven hair fastener pipes are example, elaborate embodiments of the invention below.
The structure of condenser first embodiment of the present invention as shown in Figure 4.Five centre hair fastener pipes that the hair fastener pipe comprises the import hair fastener pipe 402 that links to each other with condenser inlet 401, the outlet hair fastener pipe 404 that links to each other with condensator outlet 405, links to each other respectively with import hair fastener pipe and outlet hair fastener pipe.Condenser inlet 401 is positioned at overheated zone 205 with the part of import hair fastener pipe, and condenser inlet is positioned at the below of described import hair fastener pipe, import hair fastener pipe oblique arrangement; Condensator outlet 405 was positioned at cold-zone 207 with the part of outlet hair fastener pipe, and condensator outlet is positioned at described outlet hair fastener pipe top, outlet hair fastener pipe oblique arrangement; The part of the part of import hair fastener pipe, middle hair fastener pipe and outlet hair fastener pipe is positioned at the saturation region, the hair fastener pipe links to each other with the part of import hair fastener pipe and the part of outlet hair fastener pipe respectively in the middle of described, the arrangement mode of hair fastener pipe is that a vertical hair fastener Guan Yusan inclination hair fastener pipe that is arranged in order links to each other in the middle of five, and vertical hair fastener pipe of the hair fastener of inclination successively Guan Zaiyu of described three arrangements links to each other.In whole heat exchanging process, the outer crosswind of outside fan 201 suction chambers also blows to condenser 104, refrigerant flows into import hair fastener pipe 402 from the import 401 of condenser simultaneously, through flowing into condensator outlet from the outlet hair fastener pipe 404 that links to each other with condensator outlet 405 behind the saturation region, and from condensator outlet outflow condenser, wherein condenser inlet is positioned at the air side, and condensator outlet is positioned at the inlet side.The flow direction of refrigerant is opposite with the direction of wind, whole heat exchanging process comprise refrigerant in the overheated zone 205 with the heat exchange of wind, refrigerant is being crossed the heat exchange of cold-zone 207 with wind at the heat exchange and the refrigerant of saturation region and wind, and wherein the saturation region is the part of removing the overheated zone in the condenser and crossing the cold-zone.
The structure of condenser second embodiment of the present invention as shown in Figure 5.Five centre hair fastener pipes that the hair fastener pipe comprises the import hair fastener pipe 402 that links to each other with condenser inlet 401, the outlet hair fastener pipe 404 that links to each other with condensator outlet 405, links to each other respectively with import hair fastener pipe and outlet hair fastener pipe.Condenser inlet and import hair fastener pipe 402 are positioned at the overheated zone, and condenser inlet is positioned at the below of described import hair fastener pipe, and import hair fastener pipe is vertically arranged; Condensator outlet was positioned at the cold-zone with the part of outlet hair fastener pipe, and condensator outlet is positioned at described outlet hair fastener pipe top, outlet hair fastener pipe oblique arrangement; The part of middle hair fastener pipe and outlet hair fastener pipe is positioned at the saturation region, the hair fastener pipe links to each other with the part of import hair fastener pipe with outlet hair fastener pipe respectively in the middle of described, the arrangement mode of hair fastener pipe is that two vertical hair fastener pipes that are arranged in order link to each other with two inclination hair fastener pipes that are arranged in order in the middle of five, and vertical hair fastener pipe of described two inclination hair fastener Guan Zaiyu that are arranged in order links to each other.
The structure of condenser the 3rd embodiment of the present invention as shown in Figure 6.Five centre hair fastener pipes that the hair fastener pipe comprises the import hair fastener pipe 402 that links to each other with condenser inlet 401, the outlet hair fastener pipe 404 that links to each other with condensator outlet 405, links to each other respectively with import hair fastener pipe and outlet hair fastener pipe.Condenser inlet and import hair fastener pipe are positioned at the overheated zone, and condenser inlet is positioned at the below of described import hair fastener pipe, and import hair fastener pipe is vertically arranged; The outlet of condenser was positioned at the cold-zone with outlet hair fastener pipe, and condensator outlet is positioned at described outlet hair fastener pipe top, and outlet hair fastener pipe is vertically arranged; Middle hair fastener pipe is positioned at the saturation region, in the middle of described the hair fastener pipe respectively with import hair fastener pipe and outlet hair fastener Guan Xianglian, the arrangement mode of hair fastener pipe is that two vertical hair fastener Guan Yuyi inclination hair fastener pipes that are arranged in order link to each other in the middle of five, and the vertical hair fastener pipe that two of described inclination hair fastener Guan Zaiyu are arranged in order links to each other.
The structure of condenser the 4th embodiment of the present invention as shown in Figure 7.Five centre hair fastener pipes that the hair fastener pipe comprises the import hair fastener pipe 402 that links to each other with condenser inlet 401, the outlet hair fastener pipe 404 that links to each other with condensator outlet 405, links to each other respectively with import hair fastener pipe and outlet hair fastener pipe.The part of condenser inlet and import hair fastener pipe is positioned at the overheated zone, and condenser inlet is positioned at the below of described import hair fastener pipe, import hair fastener pipe oblique arrangement; The outlet of condenser was positioned at the cold-zone with outlet hair fastener pipe, and condensator outlet is positioned at described outlet hair fastener pipe top, and outlet hair fastener pipe is vertically arranged; The part of import hair fastener pipe and middle hair fastener pipe are positioned at the saturation region, the hair fastener pipe links to each other with outlet hair fastener pipe with the part of import hair fastener pipe respectively in the middle of described, the arrangement mode of hair fastener pipe is that a vertical hair fastener pipe links to each other with two inclination hair fastener pipes that are arranged in order in the middle of five, and the vertical hair fastener pipe that described two two of inclination hair fastener Guan Zaiyu that are arranged in order are arranged in order links to each other.
After adopting the method for condenser counter current flow of the present invention heat exchange, heat exchanging process in the described condenser of Fig. 5, Fig. 6 and Fig. 7 and the condenser heat exchanging process described in Fig. 4 are approximate, repeat no more.
With reference to the structure chart of Fig. 4 first embodiment of the present invention, the heat exchange principle of condenser is carried out following description.When heat exchange begins, the outer crosswind of outside fan 201 suction chambers also blows to condenser 104, the import hair fastener pipe 402 of while refrigerant from the import 401 inflow condensers of condenser, through flowing into outlet hair fastener pipe 404 behind the hair fastener pipe in the middle of a plurality of, and from condensator outlet 405 outflow condensers, wherein condenser inlet is positioned at the air side, and condensator outlet is positioned at the inlet side.This shows that in whole heat exchanging process, the flow direction of refrigerant is opposite with the flow direction of wind.Whole heat exchanging process comprise refrigerant in the overheated zone 205 with the heat exchange of wind, refrigerant is being crossed the heat exchange of cold-zone 207 with wind at the heat exchange and the refrigerant of saturation region and wind, wherein the saturation region be remove in the condenser overheated zone and the part of cold-zone.
The heat exchange effect that adopts counter current flow method of the present invention comprises refrigerant temperature curve 301, wind-warm syndrome write music line 302 and heat exchange zone 303 as shown in Figure 8, and wherein the arrow points on the refrigerant temperature curve is the flow direction of refrigerant, as seen from Figure 8.During beginning, refrigerant is in the overheated zone, and the temperature difference of refrigerant and wind is big, and heat exchange performance is good; Because the direction of wind is opposite with the flow direction of refrigerant, and the exit position of condenser and mistake cold-zone are in the inlet side, after refrigerant temperature decline entered the cold-zone through the saturation region, still there are heat exchange in refrigerant in the condenser and wind, thereby make condenser all have effective heat exchange, improved the whole heat exchange effect of condenser in mistake cold-zone, saturation region and overheated zone.
After using condenser counter current flow design of the present invention, the Energy Efficiency Ratio test comparison that forward flows design with original condenser is as shown in table 1.
Wherein, air-conditioning Energy Efficiency Ratio=air conditioner refrigerating ability/air-conditioning power
Table 1: the old and new's condenser Energy Efficiency Ratio test comparison
| The condensator outlet temperature (℃) | Air-conditioner refrigerating capacity (W) | Air-conditioner power (W) | Air-conditioner Energy Efficiency Ratio (W/W) | |
| Former design of condenser scheme | 39 | 1520 | 660 | 2.3 |
| New design of condenser scheme | 38 | 1545 | 642 | 2.4 |
The main effect of condenser is the temperature that reduces refrigerant, under the identical situation of condenser inlet temperature, use former design of condenser scheme, the outlet temperature of condenser is 39 ℃, and use design of the present invention, the outlet temperature of condenser is 38 ℃, has reduced by 1 ℃ than original outlet temperature, has improved the effect of condenser.
Use former design of condenser scheme, the air conditioner refrigerating ability is 1520W, and air-conditioning power is 660W, and the air-conditioning Energy Efficiency Ratio is 2.3; Use design of condenser scheme of the present invention, the air conditioner refrigerating ability is 1545W, and air-conditioning power is 642W, and the air-conditioning Energy Efficiency Ratio is 2.4, and the air-conditioning Energy Efficiency Ratio has improved 0.1.This shows, use condenser counter current flow design of the present invention, the refrigerating capacity of air-conditioning is increased, power reduces, and has reached the purpose that improves Energy Efficiency Ratio.
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 improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (12)
1. condenser, it is characterized in that described condenser inlet is positioned at the air side of condenser, condensator outlet is positioned at the inlet side of condenser, the direction of the wind that the outside fan is blown into is opposite with the refrigerant flow direction in the condenser hair fastener pipe, and refrigerant and wind carry out heat exchange by condenser.
2. condenser according to claim 1, it is characterized in that a plurality of centres hair fastener pipe that described hair fastener pipe comprises the import hair fastener pipe that links to each other with condenser inlet, the outlet hair fastener pipe that links to each other with condensator outlet, links to each other respectively with import hair fastener pipe and outlet hair fastener pipe.
3. condenser according to claim 2 is characterized in that, part or all of described condenser inlet and import hair fastener pipe is positioned at the overheated zone of heat exchange.
4. condenser according to claim 3 is characterized in that, when the part of described condenser inlet and import hair fastener pipe was positioned at the overheated zone of heat exchange, import hair fastener pipe tilted to place; Perhaps
When described condenser inlet and import hair fastener pipe whole were positioned at the overheated zone of heat exchange, import hair fastener pipe was vertically placed.
5. condenser according to claim 2 is characterized in that, described condensator outlet is positioned at the cold-zone of crossing of heat exchange with part or all of outlet hair fastener pipe.
6. condenser according to claim 5 is characterized in that, the part of described condensator outlet and outlet hair fastener pipe be positioned at heat exchange cross the cold-zone time, outlet hair fastener pipe tilts to place; Perhaps
Described condensator outlet and outlet hair fastener pipe whole be positioned at heat exchange cross the cold-zone time, outlet hair fastener pipe is vertically placed.
7. condenser according to claim 2 is characterized in that, the described middle hair fastener pipe that links to each other with import hair fastener pipe is vertically placed with the middle hair fastener pipe that links to each other with outlet hair fastener pipe.
8. condenser according to claim 2 is characterized in that, the part of described middle hair fastener pipe or middle hair fastener pipe and import hair fastener pipe is positioned at the saturation region of heat exchange.
9. condenser according to claim 2 is characterized in that, the part of described middle hair fastener pipe or middle hair fastener pipe and outlet hair fastener pipe is positioned at the saturation region of heat exchange.
10. the heat change method of a condenser, described condenser comprises condenser inlet, hair fastener pipe and condensator outlet, it is characterized in that, described method comprises:
Refrigerant flows into the hair fastener pipe from condenser inlet, flows out from condensator outlet then;
Outdoor crosswind is along being blown into condenser with refrigerant by the opposite direction of condenser;
Outdoor crosswind and refrigerant carry out heat exchange by condenser.
11. method according to claim 10 is characterized in that, the heat exchange of described wind and refrigerant specifically comprises overheated zone heat exchange, saturation region heat exchange and crosses the cold-zone heat exchange.
12. method according to claim 11 is characterized in that, described inlet side is provided with the outlet of condenser and carried out the heat exchange of cold-zone, and the air side is provided with the import of condenser and carries out the heat exchange of overheated zone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CNA200610099573XA CN101118107A (en) | 2006-08-01 | 2006-08-01 | Condensator and heat exchange method thereof |
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| CNA200610099573XA CN101118107A (en) | 2006-08-01 | 2006-08-01 | Condensator and heat exchange method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102155824A (en) * | 2011-03-03 | 2011-08-17 | 广东美的电器股份有限公司 | Heat exchanger |
| CN101660852B (en) * | 2008-08-26 | 2012-12-05 | 海尔集团公司 | Refrigerant distribution pipeline |
| CN102954626A (en) * | 2012-11-08 | 2013-03-06 | 南京师范大学 | Multi-branch indoor heat exchanger for synchronous heat exchange |
| CN106225327A (en) * | 2016-01-27 | 2016-12-14 | 河南新科隆电器有限公司 | A kind of fin heat exchanger pipeline structure |
-
2006
- 2006-08-01 CN CNA200610099573XA patent/CN101118107A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660852B (en) * | 2008-08-26 | 2012-12-05 | 海尔集团公司 | Refrigerant distribution pipeline |
| CN102155824A (en) * | 2011-03-03 | 2011-08-17 | 广东美的电器股份有限公司 | Heat exchanger |
| CN102954626A (en) * | 2012-11-08 | 2013-03-06 | 南京师范大学 | Multi-branch indoor heat exchanger for synchronous heat exchange |
| CN106225327A (en) * | 2016-01-27 | 2016-12-14 | 河南新科隆电器有限公司 | A kind of fin heat exchanger pipeline structure |
| CN106225327B (en) * | 2016-01-27 | 2018-09-25 | 河南新科隆电器有限公司 | A kind of fin heat exchanger pipeline structure |
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