CN103471293A - Combined heat exchanger - Google Patents
Combined heat exchanger Download PDFInfo
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- CN103471293A CN103471293A CN2013104505829A CN201310450582A CN103471293A CN 103471293 A CN103471293 A CN 103471293A CN 2013104505829 A CN2013104505829 A CN 2013104505829A CN 201310450582 A CN201310450582 A CN 201310450582A CN 103471293 A CN103471293 A CN 103471293A
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- finned tube
- pipe group
- air
- inlet pipe
- cooled
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Abstract
The invention discloses a combined heat exchanger, comprising a fixed frame and finned tubes, wherein the finned tubes are fixed in the fixed frame and comprise a finned tube for air cooling and a finned tube for natural cooling; the finned tube for natural cooling is closer to a cold air inlet than the finned tube for air cooling. According to the combined heat exchanger, the finned tube for air cooling and the finned tube for natural cooling are located in the same fixed frame, the functions of an air-cooled heat exchanger and a naturally-cooled heat exchanger are integrated, the defect of respectively processing two kinds of independent heat exchangers is overcome, the labor amount is reduced, materials are reduced, the manufacturing cost is reduced, and the space utilization rate is improved.
Description
Technical field
The present invention relates to technical field of heat exchangers, more particularly, relate to a kind of unitized exchanger.
Background technology
The operation principle of the multifunction combined heat exchanger of large-sized wind cooling unit is as follows:
When environment temperature is greater than the temperature of regulation, when being greater than 15 ℃, the gas that compressor is HTHP by refrigerant compression, and the gas of HTHP is pressed in air cooling heat exchanger, the gas of HTHP forces down warm liquid in being condensed in air cooling heat exchanger, in force down warm liquid and be vaporizated into gas through expansion valve during to dry evaporator, absorb a large amount of heat during vaporization, therefore the high-temperature water flow in dry evaporator is cooled to water at low temperature, and this is conventional refrigerating mode;
In the time of between two temperature setting in environment temperature, such as environment temperature is greater than 2 ℃, and while being less than 15 ℃, at first high-temperature water flow in the natural cooling heat exchange device, in the natural cooling heat exchange device, the water of high temperature and the cold air in external environment condition carry out heat exchange, become the water of middle temperature, the water of middle temperature is further cooled the water into low temperature in dry evaporator.This is the natural refrigerating mode of part, and in this pattern, at first the water of high temperature be cooled to the water of middle temperature in the natural cooling heat exchange device, and cold required when the water of middle temperature is cooled to the water of low temperature reduces, and therefore makes the compressor off-load, has saved the energy;
When environment temperature is less than the temperature of setting, such as being less than 2 ℃, the water of high temperature just can be cooled to the water of low temperature in the natural cooling heat exchange device, therefore, compressor shutdown now, this is the nature refrigerating mode.
As can be seen from the above, unitized exchanger comprises two groups of independently heat exchangers, and one group is air cooling heat exchanger, and another group is the natural cooling heat exchange device.Therefore, when the above-mentioned unit of processing and manufacturing, need to process respectively two groups of independently heat exchangers, the processing of this unit is consuming time, consumption power, and material requested is more, has increased manufacturing cost.In addition, two groups independently the heat exchanger dutycycle is larger, has caused the waste to space.
Therefore, how to design a kind of unitized exchanger, this unitized exchanger can integrated air cooling heat exchanger and the function of natural cooling heat exchange device, evade and process respectively two kinds of independently drawbacks of heat exchanger, thereby the minimizing amount of labour, saving material, reduce manufacturing cost, is those skilled in the art's critical problems urgently to be resolved hurrily.
Summary of the invention
The purpose of this invention is to provide a kind of unitized exchanger, this unitized exchanger can integrated air cooling heat exchanger and the function of natural cooling heat exchange device, evades and processes respectively two kinds of independently drawbacks of heat exchanger, thereby reduce the amount of labour, save material, reduce manufacturing cost.
For achieving the above object, the invention provides following technical scheme:
A kind of unitized exchanger, comprise: fixed frame, be fixed in the finned tube in described fixed frame, described finned tube comprises air-cooled with finned tube and the naturally cooling finned tube of using, described naturally cooling air-cooled with the close cold wind import of finned tube with respect to described with finned tube.
Preferably, described air-cooled with finned tube comprise the first inlet pipe group flowed into for refrigerant and for refrigerant, flow out first go out the pipe group, described first goes out the pipe group with respect to the close described cold wind import of described the first inlet pipe group.
Preferably, described the first inlet pipe group is communicated with the first inlet manifold, and described first goes out Guan Zuyu the first outlet manifold is communicated with.
Preferably, the volume of described the first inlet manifold is greater than the volume of described the first outlet manifold.
Preferably, describedly naturally coolingly with finned tube, comprise and supplying water or the second inlet pipe group that ethylene glycol solution flows to and water supply or ethylene glycol solution flow out second goes out the pipe group, described second goes out the pipe group with respect to the close described cold wind import of described the second inlet pipe group.
Preferably, described the second inlet pipe group is communicated with the second inlet manifold, and described second goes out Guan Zuyu the second outlet manifold is communicated with.
From technique scheme, can find out, air-cooled with finned tube with naturally coolingly with finned tube, be positioned at same fixed frame, the function of this unitized exchanger is integrated air cooling heat exchanger and natural cooling heat exchange device, evaded and processed respectively two kinds of independently drawbacks of heat exchanger, thereby reduced the amount of labour, save material, reduced manufacturing cost, improved the utilization rate in space simultaneously.
The accompanying drawing explanation
In order to be illustrated more clearly in the scheme in the embodiment of the present invention, below will the accompanying drawing of embodiment or required use be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those skilled in the art, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 provides a kind of overall structure schematic diagram of unitized exchanger for the present invention's one specific embodiment;
The right view of the unitized exchanger that Fig. 2 provides for the present invention's one specific embodiment;
The left view of the unitized exchanger that Fig. 3 provides for the present invention's one specific embodiment;
The naturally cooling flow graph with water in fins set or ethylene glycol solution that Fig. 4 provides for the present invention's one specific embodiment;
The air-cooled flow graph with refrigerant in fins set that Fig. 5 provides for the present invention's one specific embodiment.
Wherein, 11 be the first inlet manifold, 12 be the first outlet manifold, 21 be the second inlet manifold, 22 be the second outlet manifold, 10 for air-cooled with finned tube, 20, for nature is cooling, with finned tube, 211, be that the second inlet pipe group, 221 is that second to go out pipe group, 111 be that the first inlet pipe group, 121 is first to go out pipe group, 3 and be fixed frame.
The specific embodiment
The invention discloses a kind of unitized exchanger, this unitized exchanger can integrated air cooling heat exchanger and the function of natural cooling heat exchange device, has evaded and has processed respectively two kinds of independently drawbacks of heat exchanger, thereby reduced the amount of labour, save for example material, reduced manufacturing cost.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only a part of embodiment of the present invention, rather than whole embodiment.Based on embodiments of the invention, all other embodiment that those of ordinary skills obtain under the prerequisite of not making creative work, belong to the scope of protection of the invention.
Please refer to Fig. 1-Fig. 5, Fig. 1 provides a kind of overall structure schematic diagram of unitized exchanger for the present invention's one specific embodiment; The right view of the unitized exchanger that Fig. 2 provides for the present invention's one specific embodiment; The left view of the unitized exchanger that Fig. 3 provides for the present invention's one specific embodiment; The naturally cooling flow graph with water in fins set or ethylene glycol solution that Fig. 4 provides for the present invention's one specific embodiment; The air-cooled flow graph with refrigerant in fins set that Fig. 5 provides for the present invention's one specific embodiment.
In the present invention's one specific embodiment, unitized exchanger comprises fixed frame 3 and finned tube.
Wherein, finned tube is fixed in fixed frame 3, and the finned tube that is positioned at fixed frame 3 comprises air-cooled with finned tube 10 and naturally cooling with finned tube 20, and, naturally coolingly with finned tube 20, with respect to air-cooled, use the close cold wind import of finned tube 10.
In this embodiment, when unitized exchanger, during in the natural refrigerating mode of part, the cooling air that comes from the cold wind import first carries out heat exchange with naturally cooling with the water in finned tube 20, then with 10 heat exchange of air-cooled use finned tube.If air-cooled use finned tube 10 is with respect to the close cold wind import of naturally cooling use finned tube 20, come from so cold wind import cooling air first and air-cooled with finned tube 10 heat exchange, again with 20 heat exchange of naturally cooling use finned tube, may occur that to be greater than nature cooling by the water in finned tube 20 or the temperature of ethylene glycol with the air-cooled temperature with the cooling air after finned tube 10 heat exchanges, thereby make the cooling meaning that loses heat exchange with finned tube 20 of nature.Therefore, must make the cold wind import arrange with finned tube 20 near naturally cooling.
In this embodiment, air-cooled with finned tube 10 with naturally coolingly with finned tube 20, be positioned at same fixed frame 3, the function of this unitized exchanger is integrated air cooling heat exchanger and natural cooling heat exchange device, evaded and processed respectively two kinds of independently drawbacks of heat exchanger, thereby reduced the amount of labour, save material, reduced manufacturing cost, improved the utilization rate in space simultaneously.
In the present invention's one specific embodiment, air-cooledly with finned tube 10, comprise that the first inlet pipe group 111 and first goes out pipe group 121, refrigerant each inlet pipe from the first inlet pipe group 111 flow in unitized exchanger, after heat exchange finishes, go out each in pipe group 121 along first and go out pipe and flow out unitized exchanger.The air-cooled mode heat exchange that adopts adverse current with finned tube 10, first goes out pipe group 121 with respect to the close cold wind import of the first inlet pipe group 111, and cooling air first goes out pipe group 121 again through the first inlet pipe group 111 through first.
In the present invention's one specific embodiment, the first inlet pipe group 111 in above-mentioned is communicated with the first inlet manifold 11, and first goes out pipe group 121 and the first outlet manifold 12 is communicated with.The setting of the first inlet manifold 11 and the first outlet manifold 12 is effects of buffering that the refrigerant liquid that will enter the cold media gas in unitized exchanger and flow out from unitized exchanger is played, thereby improves the uniformity of heat exchange.
Preferably, the volume of the first inlet manifold 111 is greater than the volume of the first outlet manifold 121, because the first inlet manifold 111 is for holding cold media gas, the density of gas is less, and shared space is larger.
In the present invention's one specific embodiment, naturally cooling with finned tube 20 comprise the second inlet pipe group 211 and second go out pipe group 221, the second go out pipe group 221 with respect to the second inlet pipe group 211 near the cold wind import.Water or ethylene glycol solution flow in unitized exchanger from each inlet pipe of the second inlet pipe group 211, after heat exchange finishes, from second go out pipe group 221 each go out pipe to flow out unitized exchanger.Naturally the cooling heat exchange that is similarly reflux type adopted with finned tube 20, cooling air first goes out each in pipe group 221 and goes out to manage heat exchange with second, then with the second inlet pipe group 211 in each inlet pipe heat exchange.
In the present invention's one specific embodiment, the second inlet pipe group 211 is communicated with the second inlet manifold 21, and second goes out pipe group 221 is communicated with the second outlet manifold 22.The setting of the second inlet manifold 21 and the second outlet manifold 22 is effects of playing buffering to entering water in unitized exchanger or ethylene glycol solution and the water flowed out from unitized exchanger or ethylene glycol solution, thereby improves the uniformity of heat exchange.
To the above-mentioned explanation of the disclosed embodiments, make professional and technical personnel in the field can realize or use the present invention.Multiple modification to these embodiment will be apparent for those skilled in the art, and General Principle as defined herein can be in the situation that do not break away from the spirit or scope of the present invention, realization in other embodiments.Therefore, the present invention will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (6)
1. a unitized exchanger, comprise: fixed frame (3), be fixed in the finned tube in described fixed frame (3), it is characterized in that, described finned tube comprises air-cooled with finned tube (10) and naturally cooling with finned tube (20), described naturally cooling air-cooled with the close cold wind import of finned tube (10) with respect to described with finned tube (20).
2. unitized exchanger according to claim 1, it is characterized in that, described air-cooled with finned tube (10) comprise the first inlet pipe group (111) flowed into for refrigerant and for refrigerant, flow out first go out pipe group (121), described first goes out pipe group (121) with respect to the close described cold wind import of described the first inlet pipe group (111).
3. unitized exchanger according to claim 2, is characterized in that, described the first inlet pipe group (111) is communicated with the first inlet manifold (11), and described first goes out pipe group (121) is communicated with the first outlet manifold (12).
4. unitized exchanger according to claim 3, is characterized in that, the volume of described the first inlet manifold (11) is greater than the volume of described the first outlet manifold (12).
5. unitized exchanger according to claim 1, it is characterized in that, described naturally cooling with finned tube (20) comprise supply water or the second inlet pipe group (211) that ethylene glycol solution flows to and water supply or ethylene glycol solution outflow second go out pipe group (221), described second goes out pipe group (221) with respect to the close described cold wind import of described the second inlet pipe group (211).
6. unitized exchanger according to claim 5, is characterized in that, described the second inlet pipe group (211) is communicated with the second inlet manifold (21), and described second goes out pipe group (221) is communicated with the second outlet manifold (22).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104505829A CN103471293A (en) | 2013-09-27 | 2013-09-27 | Combined heat exchanger |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013104505829A CN103471293A (en) | 2013-09-27 | 2013-09-27 | Combined heat exchanger |
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| CN103471293A true CN103471293A (en) | 2013-12-25 |
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| CN2013104505829A Pending CN103471293A (en) | 2013-09-27 | 2013-09-27 | Combined heat exchanger |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112051530A (en) * | 2020-08-18 | 2020-12-08 | 上海联影医疗科技股份有限公司 | Medical imaging apparatus system and cooling control method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5411078A (en) * | 1993-12-13 | 1995-05-02 | Ares; Roland | Air and evaporatively cooled heat exchanger and refrigerating system therefor |
| CN1165096A (en) * | 1996-02-26 | 1997-11-19 | 马涅蒂马雷利空气调节有限公司 | Condenser for vehicle air-conditioning systems |
| CN201110605Y (en) * | 2007-09-30 | 2008-09-03 | 阿尔西制冷工程技术（北京）有限公司 | Water chilling unit with natural cooling technology |
| KR20100041351A (en) * | 2008-10-14 | 2010-04-22 | 주식회사 두원공조 | Condenser of cooling air and water |
| CN202470550U (en) * | 2012-01-12 | 2012-10-03 | 广东申菱空调设备有限公司 | Heat exchanger with natural cooling function |
| CN202660816U (en) * | 2012-04-26 | 2013-01-09 | 广州众信实业有限公司 | Parallel flow heat exchanger |
| CN203586622U (en) * | 2013-09-27 | 2014-05-07 | 深圳麦克维尔空调有限公司 | Combined heat exchanger |
-
2013
- 2013-09-27 CN CN2013104505829A patent/CN103471293A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5411078A (en) * | 1993-12-13 | 1995-05-02 | Ares; Roland | Air and evaporatively cooled heat exchanger and refrigerating system therefor |
| CN1165096A (en) * | 1996-02-26 | 1997-11-19 | 马涅蒂马雷利空气调节有限公司 | Condenser for vehicle air-conditioning systems |
| CN201110605Y (en) * | 2007-09-30 | 2008-09-03 | 阿尔西制冷工程技术（北京）有限公司 | Water chilling unit with natural cooling technology |
| KR20100041351A (en) * | 2008-10-14 | 2010-04-22 | 주식회사 두원공조 | Condenser of cooling air and water |
| CN202470550U (en) * | 2012-01-12 | 2012-10-03 | 广东申菱空调设备有限公司 | Heat exchanger with natural cooling function |
| CN202660816U (en) * | 2012-04-26 | 2013-01-09 | 广州众信实业有限公司 | Parallel flow heat exchanger |
| CN203586622U (en) * | 2013-09-27 | 2014-05-07 | 深圳麦克维尔空调有限公司 | Combined heat exchanger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112051530A (en) * | 2020-08-18 | 2020-12-08 | 上海联影医疗科技股份有限公司 | Medical imaging apparatus system and cooling control method thereof |
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Application publication date: 20131225 |
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