CN204830595U - High -low pressure pipeline among vehicle air conditioner - Google Patents
High -low pressure pipeline among vehicle air conditioner Download PDFInfo
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- CN204830595U CN204830595U CN201520602971.3U CN201520602971U CN204830595U CN 204830595 U CN204830595 U CN 204830595U CN 201520602971 U CN201520602971 U CN 201520602971U CN 204830595 U CN204830595 U CN 204830595U
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Abstract
The utility model relates to a high -low pressure pipeline among vehicle air conditioner, including high -voltage tube (1), high -voltage tube two (2), low -voltage tube one (3) and low -voltage tube two (4), condenser (6) and expansion valve (7) are connected respectively at two (2) both ends of high -voltage tube, evaporimeter (8) and compressor (5) are connected respectively at two (4) both ends of low -voltage tube, high -voltage tube two (2) includes the same shaft part of high -voltage tube (9) and connects in the linkage segment (10) at the same shaft part of high -voltage tube (9) both ends, high -voltage tube two (2) is the U -shaped, low -voltage tube two (4) is the straight tube, low -voltage tube two (4) runs through the same shaft part of high -voltage tube (9) of high -voltage tube two (2), low -voltage tube two (4) and coaxial the arranging of the same shaft part of high -voltage tube (9), compared with the prior art, the utility model, realize the heat exchange of high -voltage tube and low -voltage tube, and then reduced refrigerant in the high -voltage tube in the temperature that gets into the expansion valve, finally improved the efficiency of cooler air -conditioner performance and compressor.
Description
[technical field]
The utility model relates to automobile air conditioning technology field, the high-low pressure pipeline specifically in a kind of air conditioning for automobiles.
[background technology]
Along with the propelling of energy-saving and emission-reduction, car load lightweight, low energy consumption air conditioner system have become the research emphasis of each main engine plants and parts factory.The light-weighted important directions of car load is exactly reduce element size under the condition of guaranteed performance; Air conditioning energy consumption substantially all derives from compressor, and therefore how meeting air conditioner refrigerating performance with the compressor of minimum injection rate is reduce the technology of air conditioning energy consumption most critical.
High-low pressure pipeline assembly at present for automotive air-conditioning system generally adopts high-voltage tube and low-voltage tube to be arranged side by side.Being through compressor compresses and the cooled highly pressurised liquid of condenser in high-voltage tube, is the low-pressure gas after expansion valve and evaporimeter in low-voltage tube.In high-voltage tube, temperature is high, and operating temperature is generally more than 60 DEG C; In low-voltage tube, temperature is low, and operating temperature is generally below 10 DEG C.And the environment temperature in cabin is generally all at about 80 DEG C, this just makes the cold-producing medium in high-low pressure pipe be heated by cabin temperature, causes expansion valve and compressor efficiency to reduce, finally affects air conditioner refrigerating efficiency and compressor power consumption.
[utility model content]
The purpose of this utility model is exactly will solve above-mentioned deficiency and provide the pipeline of the high-low pressure in a kind of air conditioning for automobiles, achieve the exchange heat of high-voltage tube and low-voltage tube, and then the cold-producing medium in reduction high-voltage tube is entering the temperature of expansion valve, finally improves the efficiency of air conditioner refrigerating performance and compressor.
Design the high-low pressure pipeline in a kind of air conditioning for automobiles for achieving the above object, comprise high-voltage tube 1, high-voltage tube 22, low-voltage tube 1 and low-voltage tube 24, described high-voltage tube 1 two ends are connected with condenser 6 with compressor 5 respectively, described high-voltage tube 22 two ends are connected with expansion valve 7 with condenser 6 respectively, described low-voltage tube 1 two ends are connected with evaporimeter 8 with expansion valve 7 respectively, described low-voltage tube 24 two ends are connected with compressor 5 with evaporimeter 8 respectively, described high-voltage tube 22 comprises high-voltage tube coax segments 9 and is connected to the linkage section 1 at high-voltage tube coax segments 9 two ends, described linkage section 1 is longitudinally arranged, described high-voltage tube coax segments 9 horizontally set, described high-voltage tube 22 takes the shape of the letter U, described low-voltage tube 24 is straight tube, described low-voltage tube 24 runs through the high-voltage tube coax segments 9 of high-voltage tube 22, described low-voltage tube 24 is coaxially arranged with high-voltage tube coax segments 9.
Described low-voltage tube 24 comprises low-voltage tube coax segments 11 and is connected to the linkage section 2 12 at low-voltage tube coax segments 11 two ends, described low-voltage tube coax segments 11 is between the linkage section 1 of high-voltage tube 22, described low-voltage tube coax segments 11 is coaxially arranged with high-voltage tube coax segments 9, and the tube wall of described low-voltage tube coax segments 11 in the shape of a spiral.
The outer wall of described low-voltage tube coax segments 11 fits in the inwall of high-voltage tube coax segments 9.
The length of described high-voltage tube coax segments 9, low-voltage tube coax segments 11 is 380mm.
Described high-voltage tube 1, high-voltage tube 22, low-voltage tube 1, low-voltage tube 24 are copper pipe.
The utility model compared with the existing technology, novel structure, simply, reasonable in design, owing to the high-voltage tube be connected between condenser and expansion valve two to be set to be made up of high-voltage tube coax segments and the linkage section one that is connected to high-voltage tube coax segments two ends, the low-voltage tube two be connected between evaporimeter and compressor is set to be made up of low-voltage tube coax segments and the linkage section two that is connected to low-voltage tube coax segments two ends, wherein, linkage section one is longitudinally arranged, high-voltage tube coax segments horizontally set, high-voltage tube two takes the shape of the letter U, low-voltage tube two is straight tube, the low-voltage tube coax segments of low-voltage tube two runs through the high-voltage tube coax segments of high-voltage tube two, and it is coaxially arranged with it, this design is based on existing air-conditioning system, coaxitron scheme is changed to by a section in air-conditioning high-low pressure pipeline, thus in coax segments, realize the exchange heat of high-voltage tube coax segments and low-voltage tube coax segments, finally improve air conditioner refrigerating performance, through coaxitron test analysis, under the prerequisite not making compressor exhaust temperature increase too high, the high-voltage tube coax segments of 380mm length is optimum length, and its refrigeration work consumption improves about 8%-10%, and compressor efficiency improves about 11.1%, is worthy of popularization.
[accompanying drawing explanation]
Fig. 1 is the internal structure schematic diagram of the utility model mesohigh Guan Eryu low-voltage tube two;
Fig. 2 is the external structure schematic diagram of the utility model mesohigh Guan Eryu low-voltage tube two;
Fig. 3 is operation principle schematic diagram of the present utility model;
In figure: 1, high-voltage tube 1, high-voltage tube 23, low-voltage tube 1, low-voltage tube 25, compressor 6, condenser 7, expansion valve 8, evaporimeter 9, high-voltage tube coax segments 10, linkage section 1, low-voltage tube coax segments 12, linkage section two.
[detailed description of the invention]
Below in conjunction with accompanying drawing, following further illustrating is done to the utility model:
As shown in drawings, the utility model comprises: high-voltage tube 1, high-voltage tube 22, low-voltage tube 1 and low-voltage tube 24, high-voltage tube 1 two ends are connected with condenser 6 with compressor 5 respectively, high-voltage tube 22 two ends are connected with expansion valve 7 with condenser 6 respectively, low-voltage tube 1 two ends are connected with evaporimeter 8 with expansion valve 7 respectively, low-voltage tube 24 two ends are connected with compressor 5 with evaporimeter 8 respectively, high-voltage tube 22 comprises high-voltage tube coax segments 9 and is connected to the linkage section 1 at high-voltage tube coax segments 9 two ends, linkage section 1 is longitudinally arranged, high-voltage tube coax segments 9 horizontally set, high-voltage tube 22 takes the shape of the letter U, low-voltage tube 24 is straight tube, low-voltage tube 24 runs through the high-voltage tube coax segments 9 of high-voltage tube 22, low-voltage tube 24 is coaxially arranged with high-voltage tube coax segments 9, this high-voltage tube 1, high-voltage tube 22, low-voltage tube 1, low-voltage tube 24 are copper pipe.
In the utility model, low-voltage tube 24 comprises low-voltage tube coax segments 11 and is connected to the linkage section 2 12 at low-voltage tube coax segments 11 two ends, low-voltage tube coax segments 11 is between the linkage section 1 of high-voltage tube 22, low-voltage tube coax segments 11 is coaxially arranged with high-voltage tube coax segments 9, and the tube wall of low-voltage tube coax segments 11 in the shape of a spiral; Wherein, the outer wall of low-voltage tube coax segments 11 fits in the inwall of high-voltage tube coax segments 9, and the length of high-voltage tube coax segments 9, low-voltage tube coax segments 11 is 380mm.
The utility model adopts a kind of brand-new arrangement, by wherein one section coaxially arranged (abbreviation coaxitron) of high-low pressure pipe, high-voltage tube coax segments is positioned at outside coaxitron, and low-voltage tube coax segments is positioned at inside coaxitron, and the inside of low-voltage tube coax segments in the shape of a spiral.Such coaxitron scheme, can make high-low pressure pipe carry out heat exchange mutually at coaxial pipeline section, utilize the low-temperature characteristics of low-voltage tube, reduce the temperature in high-voltage tube, and then the cold-producing medium be reduced in high-voltage tube is entering the temperature of expansion valve, improves air conditioner refrigerating performance.This coaxitron can be passed through preliminary analysis and test, to determine optimum length, make the refrigeration performance of air-conditioning system, compressor efficiency reaches optimum performance, also need to ensure that compressor exhaust temperature is unlikely to rise too high and affect compressor air suction efficiency, when coaxitron length is 380mm, best heat pump performance can be met.
The utility model takes full advantage of the characteristic that in high-voltage tube and low-voltage tube, temperature is different, to utilize in low-voltage tube low-temperature characteristics to reduce the temperature of high-voltage tube, and then reduces the degree of superheat before expansion valve, improves air conditioner refrigerating performance.Through test analysis, this 380mm length coaxitron is in the acceptable situation of compressor exhaust temperature, and refrigeration work consumption improves about 8%-10%, and compressor efficiency improves about 11.1%.As shown in table 1 below.
Table 1:380mm length coaxitron test result:
The starting point of the utility model air-conditioning duct is, existing car is expanded to SUV platform, and driving cabin spatial volume about increases 12%, adds panoramic roofs simultaneously.Consider from design of air conditioning specification, the refrigerating capacity that driving cabin needs is larger, needs the better air-conditioning system of refrigeration performance.But based on the performance that former car platform air-conditioning system is not superfluous, therefore, under the prerequisite not increasing former compressor displacement, adopt coaxitron scheme described in the utility model, heat pump performance can meet car load cooling requirement after tested.
The utility model is not by the restriction of above-mentioned embodiment; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (5)
1. the high-low pressure pipeline in an air conditioning for automobiles, it is characterized in that: comprise high-voltage tube one (1), high-voltage tube two (2), low-voltage tube one (3) and low-voltage tube two (4), described high-voltage tube one (1) two ends are connected with condenser (6) with compressor (5) respectively, described high-voltage tube two (2) two ends are connected with expansion valve (7) with condenser (6) respectively, described low-voltage tube one (3) two ends are connected with evaporimeter (8) with expansion valve (7) respectively, described low-voltage tube two (4) two ends are connected with compressor (5) with evaporimeter (8) respectively, described high-voltage tube two (2) comprises high-voltage tube coax segments (9) and is connected to the linkage section one (10) at high-voltage tube coax segments (9) two ends, described linkage section one (10) is longitudinally arranged, described high-voltage tube coax segments (9) horizontally set, described high-voltage tube two (2) takes the shape of the letter U, described low-voltage tube two (4) is straight tube, described low-voltage tube two (4) runs through the high-voltage tube coax segments (9) of high-voltage tube two (2), described low-voltage tube two (4) is coaxially arranged with high-voltage tube coax segments (9).
2. the high-low pressure pipeline in air conditioning for automobiles as claimed in claim 1, it is characterized in that: described low-voltage tube two (4) comprises low-voltage tube coax segments (11) and is connected to the linkage section two (12) at low-voltage tube coax segments (11) two ends, described low-voltage tube coax segments (11) is positioned between the linkage section one (10) of high-voltage tube two (2), described low-voltage tube coax segments (11) is coaxially arranged with high-voltage tube coax segments (9), and the tube wall of described low-voltage tube coax segments (11) in the shape of a spiral.
3. the high-low pressure pipeline in air conditioning for automobiles as claimed in claim 2, is characterized in that: the outer wall of described low-voltage tube coax segments (11) fits in the inwall of high-voltage tube coax segments (9).
4. the high-low pressure pipeline in air conditioning for automobiles as claimed in claim 3, is characterized in that: the length of described high-voltage tube coax segments (9), low-voltage tube coax segments (11) is 380mm.
5. the high-low pressure pipeline in air conditioning for automobiles as claimed in claim 4, is characterized in that: described high-voltage tube one (1), high-voltage tube two (2), low-voltage tube one (3), low-voltage tube two (4) are copper pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520602971.3U CN204830595U (en) | 2015-08-11 | 2015-08-11 | High -low pressure pipeline among vehicle air conditioner |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520602971.3U CN204830595U (en) | 2015-08-11 | 2015-08-11 | High -low pressure pipeline among vehicle air conditioner |
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| Publication Number | Publication Date |
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| CN204830595U true CN204830595U (en) | 2015-12-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520602971.3U Active CN204830595U (en) | 2015-08-11 | 2015-08-11 | High -low pressure pipeline among vehicle air conditioner |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178935A (en) * | 2016-03-11 | 2017-09-19 | 福特全球技术公司 | Nested type HVAC pipeline |
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2015
- 2015-08-11 CN CN201520602971.3U patent/CN204830595U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107178935A (en) * | 2016-03-11 | 2017-09-19 | 福特全球技术公司 | Nested type HVAC pipeline |
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| GR01 | Patent grant |