CN103697575A - Heat exchange method for heat exchange pipeline of automobile air conditioner - Google Patents
Heat exchange method for heat exchange pipeline of automobile air conditioner Download PDFInfo
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- CN103697575A CN103697575A CN201310722555.2A CN201310722555A CN103697575A CN 103697575 A CN103697575 A CN 103697575A CN 201310722555 A CN201310722555 A CN 201310722555A CN 103697575 A CN103697575 A CN 103697575A
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Abstract
The invention discloses a heat exchange method for a heat exchange pipeline of an automobile air conditioner. The method comprises the following steps: performing heat exchange between a low-temperature and low-pressure gaseous refrigerant and a high-temperature and high-pressure liquid refrigerant to realize preheating of the low-temperature and low-pressure gaseous refrigerant and precooling of the high-temperature and high-pressure liquid refrigerant; performing heat exchange between a high-pressure liquid side and a low-pressure gas side to raise the temperature of low-temperature and low-pressure gas entering a compressor, and performing heat exchange between the high-pressure liquid side and the low-pressure gas side to lower the temperature of liquid before the liquid enters a condenser. By adopting the heat exchange method for the heat exchange pipeline of the automobile air conditioner, the heat exchange capacity of an automobile air conditioning system can be increased greatly, and the aims of saving energy and protecting the environment are fulfilled.
Description
Technical field
The present invention relates to automobile mounted field of air conditioning, be specifically related to a kind of heat change method of used for automobile air conditioning heat exchange pipe.
Background technology
More prevalent with automobile use, the requirement of vehicle energy saving environmental protection is more and more higher.Air conditioning for automobiles is as requisite equipment in each automobile, and it is energy-conserving and environment-protective indispensabilities that air conditioning for automobiles energy is in use saved.In automotive air-conditioning system, in air-conditioning system, compressor suction duct needs Overheating Treatment, and expansion valve feed liquor needed cold treatment; Thereby need use heat exchange structure according to air-conditioning heat relation between supply and demand, to make full use of air conditioner energy, reach energy-conservation object.
Summary of the invention
The object of the present invention is to provide and a kind ofly can improve air-conditioning system heat-exchange capacity, reach the heat change method of the used for automobile air conditioning heat exchange pipe of energy-conservation object.
To achieve these goals, the technical solution used in the present invention is:
The heat change method of this used for automobile air conditioning heat exchange pipe, described heat exchange pipe comprises low pressure inner tube and is enclosed within the high pressure outer tube of low pressure inner tube outside, and low pressure inner tube two ends are connected with low pressure expander, and high pressure outer tube two ends are connected with high pressure expander;
Low pressure expander and high pressure expander one end are all connected on the joint that is enclosed within high pressure outside pipe, and the other end of high pressure expander and low pressure expander is all connected on pressing plate;
Low pressure expander is divided into low pressure expander I and low pressure expander II, and low pressure expander I connects the gaseous refrigerant pipeline of low-temp low-pressure, and low pressure expander II connects air conditioner compressed machine refrigerant inlet pipe;
High pressure expander is divided into high pressure expander I and high pressure expander II, and high pressure expander I connects condenser high-temperature high-pressure liquid cryogen drain pipe road, and high pressure expander II connects expansion valve feed tube;
The gaseous refrigerant of low-temp low-pressure enters compressor of air conditioner through low pressure expander II again after low pressure expander I enters low pressure inner tube; High-temperature high-pressure liquid cryogen enters high pressure outer tube through high pressure expander I and through high pressure expander II, enters expansion valve again; The gaseous refrigerant of low-temp low-pressure and high-temperature high-pressure liquid cryogen carry out heat exchange in low pressure inner tube and high pressure outer tube, realize the preheating of gaseous refrigerant and the precooling of high-temperature high-pressure liquid cryogen of low-temp low-pressure.
Described high pressure outer tube wall is evenly equipped with gear piece.
Described gear piece extends to high pressure outer tube other end end by end, high pressure outer tube one end.
Described high pressure outer tube and the dead in line of described low pressure inner tube.
Described joint and described high pressure expander and the welding of described low pressure expander.
On described pressing plate, establish install described high pressure expander installing hole and with the arc-shaped slot of described low pressure expander tube wall clamping.
Described arc-shaped slot radian is greater than 180 degree.
Described pressing plate is connected with car body by bolt, between the above installing hole of described pressing plate and arc-shaped slot, establishes the bolt hole that is connected use with car body.
Described high pressure outer tube and low pressure inner tube are metal tube, and gear piece and low pressure outer wall of inner tube contact.
The invention has the advantages that: the heat change method of this used for automobile air conditioning heat exchange pipe, by adopting heat exchange pipe system, realize the preheating of gaseous refrigerant and the precooling of high-temperature high-pressure liquid cryogen of low-temp low-pressure; By the heat exchange on high pressure liquid side and low pressure gas side, improve the gas temperature of the low-temp low-pressure that enters compressor, by the heat exchange on high pressure liquid side and low pressure gas side, reduce and enter the fluid temperature before condenser; Can greatly improve automotive air-conditioning system heat-exchange capacity, reach the object of energy-conserving and environment-protective.
Meanwhile, first, high-low pressure two pipe coaxial design, not only heat exchange is comparatively abundant, and has reduced energy loss, and heat-exchange capacity improves.
Secondly, outer tube two ends adopt expander structure, reduce the pressure loss, further improve heat-exchange capacity.
Again, this coaxitron takes full advantage of system heat and needs relation, and cold and hot exchange makes full use of, and simple in structure, is easy to assembling, and processing technology is uncomplicated, is easy to batch production.
Finally, high pressure outer tube and low pressure inner tube are metal tube, and high pressure outer tube wall is provided with gear piece and low pressure outer wall of inner tube contacts, and this used for automobile air conditioning heat exchange pipe heat-exchange capacity is strong.
Accompanying drawing explanation
The content of below each width accompanying drawing of description of the present invention being expressed and the mark in figure are briefly described:
Fig. 1 is the structural representation of heat exchanger pipeline of the heat change method of used for automobile air conditioning heat exchange pipe of the present invention.
Fig. 2 is the low pressure inner tube of Fig. 1 heat exchanger pipeline and the mounting structure schematic diagram of high pressure outer tube.
Fig. 3 is the pressure plate structure schematic diagram of Fig. 1 heat exchanger pipeline pipeline.
Fig. 4 is the high pressure outer tube cross section structure schematic diagram of Fig. 1 heat exchanger pipeline.
Mark in above-mentioned figure is:
1, high pressure expander I; 2, low pressure expander I; 3, import pressing plate; 4, high pressure outer tube; 5, low pressure inner tube; 6, high pressure expander II; 7, low pressure expander II; 8, output clamping; 9, set bolt; 10, joint, 11, gear piece, 12, installing hole, 13, arc-shaped slot, 14, bolt hole.
The specific embodiment
Contrast accompanying drawing below, the description by optimum embodiment, is described in further detail the specific embodiment of the present invention.
As shown in Figures 1 to 4, the heat change method of this used for automobile air conditioning heat exchange pipe, this heat exchange pipe comprises low pressure inner tube 5 and is enclosed within the high pressure outer tube 4 of low pressure inner tube 5 outsides, and low pressure inner tube 5 two ends are connected with low pressure expander, and high pressure outer tube 4 two ends are connected with high pressure expander;
Low pressure expander and high pressure expander one end are all connected on the joint 10 that is enclosed within high pressure outer tube 4 outsides, and the other end of high pressure expander and low pressure expander is all connected on pressing plate, and pressing plate is respectively import pressing plate 3 and output clamping 8;
Low pressure expander is divided into low pressure expander I 2 and low pressure expander II 7, and low pressure expander I 2 connects the gaseous refrigerant pipeline of low-temp low-pressure, and low pressure expander II 7 connects air conditioner compressed machine refrigerant inlet pipe;
High pressure expander is divided into high pressure expander I 1 and high pressure expander II 6, and high pressure expander I 1 connects condenser high-temperature high-pressure liquid cryogen drain pipe road, and high pressure expander II 6 connects expansion valve feed tube;
One end of low pressure expander I 2 and high pressure expander I 1 is connected on the joint 10 of high pressure outer tube 4 outside one end, and the other end of low pressure expander I 2 and high pressure expander I 1 is connected on import pressing plate 3;
Low pressure expander II 7 and high pressure expander II 6 are connected on the joint 10 of the high pressure outer tube 4 outside other ends, and the other end of low pressure expander II 7 and high pressure expander II 6 is connected on output clamping 8;
The gaseous refrigerant of low-temp low-pressure enters compressor of air conditioner through low pressure expander II 7 again after low pressure expander I 2 enters low pressure inner tube 5; High-temperature high-pressure liquid cryogen enters high pressure outer tube 4 through high pressure expander I 1 and through high pressure expander II 6, enters expansion valve again; The gaseous refrigerant of low-temp low-pressure and high-temperature high-pressure liquid cryogen carry out heat exchange in low pressure inner tube and high pressure outer tube, realize the preheating of gaseous refrigerant and the precooling of high-temperature high-pressure liquid cryogen of low-temp low-pressure.
The heat change method of this used for automobile air conditioning heat exchange pipe, by adopting heat exchange pipe system, realizes the preheating of gaseous refrigerant and the precooling of high-temperature high-pressure liquid cryogen of low-temp low-pressure; By the heat exchange on high pressure liquid side and low pressure gas side, improve the gas temperature of the low-temp low-pressure that enters compressor, by the heat exchange on high pressure liquid side and low pressure gas side, reduce and enter the fluid temperature before expansion valve; Can greatly improve automotive air-conditioning system heat-exchange capacity, reach the object of energy-conserving and environment-protective.
Low pressure expander I 2 connects the gaseous refrigerant pipeline of low-temp low-pressure, and low pressure expander II 7 is for entering the gaseous refrigerant access compressor of air conditioner inlet pipe of the low-temp low-pressure after heat exchange in compressor and compress; Compressor is discharged compressor after the gaseous refrigerant of the low-temp low-pressure of preheating being compressed into the refrigerant gas of HTHP.By the heat exchange on high pressure liquid side and low pressure gas side, improve the gas temperature of the low-temp low-pressure that enters compressor, reach the object of energy-conserving and environment-protective.
High pressure expander I 1 connects condenser high-temperature high-pressure refrigerant fluid pipeline, and high pressure expander II 6 connects expansion valve feed tube, and high pressure expander II 6, by through the pre-cooled high-temperature high-pressure refrigerant access expansion valve of heat exchange, becomes the liquid refrigerant of low-temp low-pressure.By the heat exchange on high pressure liquid side and low pressure gas side, reduce and enter the fluid temperature before condenser, reach the object of energy-conserving and environment-protective.
This used for automobile air conditioning heat exchange pipe enters the pre-heat treatment of air intake duct gas and the precooling treatment of expansion valve feed liquor in compressor for air-conditioning system, by heat exchange, make air intake duct gas and expansion valve feed liquor liquid can realize pretreatment, reach the object of energy-conserving and environment-protective.
As preferred version, high pressure outer tube 4 inner wall even distributions have gear piece 11.Preferably high pressure outer tube 4 and low pressure inner tube 5 are metal tube, and gear piece 11 and low pressure inner tube 5 outer walls contact.Gear piece 11 can further increase the heat-exchange capacity of this interchanger pipeline, guarantees the heat exchange effect of this heat change method.
As preferred version, gear piece 11 extends to high pressure outer tube 4 other end ends by high pressure outer tube 4 ends, one end.This kind of gear piece 11 can further increase the heat-exchange capacity of this interchanger pipeline, to reach energy-conservation object.
As preferred version, high pressure outer tube 4 and 5 deads in line of low pressure inner tube.Coaxial structural design, can make high pressure outer tube 4 and 5 heat exchange of low pressure inner tube abundant, increases the heat-exchange capacity of this interchanger pipeline.
As preferred version, joint 10 and high pressure expander and the welding of low pressure expander.Welding manner can guarantee the structure installation stability of high pressure expander and low pressure expander.
As preferred version, on pressing plate, establish installation high-voltage expander installing hole 12 and with the arc-shaped slot 13 of low pressure expander tube wall clamping.Installing hole 12 and arc-shaped slot 13 are convenient to the assembling of high pressure outer tube 4 and low pressure inner tube 5.
As preferred version, arc-shaped slot 13 radians are greater than 180 degree.This kind of arc-shaped slot 13 can firmly be connected on pressing plate high pressure outer tube 4.
As preferred version, pressing plate is connected with car body by bolt, and on pressing plate, installing hole 12 establishes with 13 of arc-shaped slots the bolt hole 14 that is connected use with car body.
Specific implementation of the present invention is not subject to the restrictions described above, as long as adopted the improvement of the various unsubstantialities that method of the present invention design and technical scheme carry out, all within protection scope of the present invention.
Claims (9)
1. the heat change method of a used for automobile air conditioning heat exchange pipe, it is characterized in that: described heat exchange pipe comprises low pressure inner tube and is enclosed within the high pressure outer tube of low pressure inner tube outside, low pressure inner tube two ends are connected with low pressure expander, and high pressure outer tube two ends are connected with high pressure expander;
Low pressure expander and high pressure expander one end are all connected on the joint that is enclosed within high pressure outside pipe, and the other end of high pressure expander and low pressure expander is all connected on pressing plate;
Low pressure expander is divided into low pressure expander I and low pressure expander II, and low pressure expander I connects the gaseous refrigerant pipeline of low-temp low-pressure, and low pressure expander II connects air conditioner compressed machine refrigerant inlet pipe;
High pressure expander is divided into high pressure expander I and high pressure expander II, and high pressure expander I connects condenser high-temperature high-pressure liquid cryogen drain pipe road, and high pressure expander II connects expansion valve feed tube;
The gaseous refrigerant of low-temp low-pressure enters compressor of air conditioner through low pressure expander II again after low pressure expander I enters low pressure inner tube; High-temperature high-pressure liquid cryogen enters high pressure outer tube through high pressure expander I and through high pressure expander II, enters expansion valve again; The gaseous refrigerant of low-temp low-pressure and high-temperature high-pressure liquid cryogen carry out heat exchange in low pressure inner tube and high pressure outer tube, realize the preheating of gaseous refrigerant and the precooling of high-temperature high-pressure liquid cryogen of low-temp low-pressure.
2. the heat change method of used for automobile air conditioning heat exchange pipe as claimed in claim 1, is characterized in that: described high pressure outer tube wall is evenly equipped with gear piece.
3. the heat change method of used for automobile air conditioning heat exchange pipe as claimed in claim 2, is characterized in that: described gear piece extends to high pressure outer tube other end end by end, high pressure outer tube one end.
4. the heat change method of used for automobile air conditioning heat exchange pipe as claimed in claim 3, is characterized in that: described high pressure outer tube and the dead in line of described low pressure inner tube.
5. the heat change method of used for automobile air conditioning heat exchange pipe as claimed in claim 4, is characterized in that: described joint and described high pressure expander and the welding of described low pressure expander.
6. the heat change method of used for automobile air conditioning heat exchange pipe as claimed in claim 5, on described pressing plate, establish install described high pressure expander installing hole and with the arc-shaped slot of described low pressure expander tube wall clamping.
7. the heat change method of used for automobile air conditioning heat exchange pipe as claimed in claim 6, described arc-shaped slot radian is greater than 180 degree.
8. the heat change method of used for automobile air conditioning heat exchange pipe as claimed in claim 7, described pressing plate is connected with car body by bolt, between the above installing hole of described pressing plate and arc-shaped slot, establishes the bolt hole that is connected use with car body.
9. the heat change method of used for automobile air conditioning heat exchange pipe as claimed in claim 8, described high pressure outer tube and low pressure inner tube are metal tube, and gear piece and low pressure outer wall of inner tube contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310722555.2A CN103697575A (en) | 2013-12-24 | 2013-12-24 | Heat exchange method for heat exchange pipeline of automobile air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310722555.2A CN103697575A (en) | 2013-12-24 | 2013-12-24 | Heat exchange method for heat exchange pipeline of automobile air conditioner |
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| CN103697575A true CN103697575A (en) | 2014-04-02 |
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| CN201310722555.2A Pending CN103697575A (en) | 2013-12-24 | 2013-12-24 | Heat exchange method for heat exchange pipeline of automobile air conditioner |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566882A (en) * | 2014-12-17 | 2015-04-29 | 合肥三艾汽车配件有限公司 | Air-conditioner pipe |
| CN105089705A (en) * | 2015-09-11 | 2015-11-25 | 山东科灵节能装备股份有限公司 | Static vortex plate, vortex expander and generator set |
| CN107650623A (en) * | 2017-08-08 | 2018-02-02 | 江苏昊科汽车空调有限公司 | High-efficiency and energy-saving type vehicle-mounted air conditioner compressor |
| CN107701399A (en) * | 2017-08-08 | 2018-02-16 | 江苏盈科汽车空调有限公司 | From heat exchange type vehicle-mounted air conditioner compressor |
| CN108953803A (en) * | 2018-08-13 | 2018-12-07 | 宋丽 | A kind of automobile air-conditioning pipe joint device for preventing refrigerant from leaking |
-
2013
- 2013-12-24 CN CN201310722555.2A patent/CN103697575A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104566882A (en) * | 2014-12-17 | 2015-04-29 | 合肥三艾汽车配件有限公司 | Air-conditioner pipe |
| CN105089705A (en) * | 2015-09-11 | 2015-11-25 | 山东科灵节能装备股份有限公司 | Static vortex plate, vortex expander and generator set |
| CN107650623A (en) * | 2017-08-08 | 2018-02-02 | 江苏昊科汽车空调有限公司 | High-efficiency and energy-saving type vehicle-mounted air conditioner compressor |
| CN107701399A (en) * | 2017-08-08 | 2018-02-16 | 江苏盈科汽车空调有限公司 | From heat exchange type vehicle-mounted air conditioner compressor |
| CN107650623B (en) * | 2017-08-08 | 2024-07-26 | 江苏昊科汽车空调有限公司 | High-efficiency energy-saving vehicle-mounted air conditioner compressor |
| CN108953803A (en) * | 2018-08-13 | 2018-12-07 | 宋丽 | A kind of automobile air-conditioning pipe joint device for preventing refrigerant from leaking |
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Application publication date: 20140402 |