CN203323323U - Vehicle air conditioning pipeline arrangement structure - Google Patents
Vehicle air conditioning pipeline arrangement structure Download PDFInfo
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- CN203323323U CN203323323U CN2013203187720U CN201320318772U CN203323323U CN 203323323 U CN203323323 U CN 203323323U CN 2013203187720 U CN2013203187720 U CN 2013203187720U CN 201320318772 U CN201320318772 U CN 201320318772U CN 203323323 U CN203323323 U CN 203323323U
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- pressure refrigerant
- straight tube
- low pressure
- carrier pipe
- refrigerant carrier
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Abstract
The utility model discloses a vehicle air conditioning pipeline arrangement structure, which comprises a low pressure refrigerant delivery pipe and a back-end high pressure refrigerant delivery pipe, wherein the back-end high pressure refrigerant delivery pipe comprises an inlet drainage tube, an outlet drainage tube and a straight tube, the inlet drainage tube is connected onto a condenser, the outlet drainage tube is connected onto an evaporator, the straight tube is penetrated in the low pressure refrigerant delivery pip, and the inlet drainage tube and the outlet drainage tube are respectively connected with the two ends of the straight tube. The vehicle air conditioning pipeline arrangement structure cools high temperature refrigerant in the back-end high pressure refrigerant delivery pipe through a nested structure of the low pressure refrigerant delivery pipe and the back-end high pressure refrigerant delivery pipe by utilizing low temperate refrigerant in the low pressure refrigerant delivery pipe, thereby greatly reducing the temperature of refrigerant before working, improving cooling effect of an air conditioning, and improving use rate of energy.
Description
Technical field
The utility model relates to a kind of automobile component structure, and in particular, it relates to a kind of pipelines of automobile air conditioner pipe laying structure.
Background technology
Current automobile air-conditioning refrigeration is all generally to adopt the compressor compresses cold-producing medium, utilize the evaporation endothermic principle of the cold-producing medium after compressing to be freezed, and the energy that compressor is inputted owing to having received a large amount of compressor work when being compressed cold-producing medium, thereby become the gas of HTHP, if it is cooling that the cold-producing medium of HTHP does not carry out, will affect refrigeration, so all being provided with condenser in automotive air-conditioning system is cooled to the cold-producing medium of HTHP, the work medium that makes it to be called cryogenic high pressure is transported in the refrigeration unit be comprised of expansion valve and boil-off gas evaporation endothermic to produce refrigeration by the air-conditioning high-voltage tube, in refrigeration unit, the temperature of cold-producing medium just will directly have influence on refrigeration, if refrigerant temperature is higher, air conditioner refrigeration effect is poor, so refrigerant temperature now is more low better.Yet after air-conditioning condenser, though cold-producing medium becomes cryogenic high pressure, temperature decreases, and still has higher temperature, and the high-voltage tube of air conditioning for automobiles is all to be arranged in cabin, engine, when work, can produce high temperature in cabin, and the high-voltage tube material is generally aluminum, be easy to heat absorption, therefore when cooling cold-producing medium flows in high-voltage tube through condenser, can further heat up because of the heat absorption of high-voltage tube again, thereby affected the refrigeration of air-conditioning.The utility model that publication number is CN201028854Y discloses a kind of automotive air conditioning device on February 27th, 2008, comprise compressor, condenser, evaporimeter and expansion valve, compressor is connected by air intake duct with evaporimeter, condenser is connected by high-voltage tube with expansion valve, described air intake duct and high-voltage tube adopt rigid line, and described air intake duct and high-voltage tube are in contact with one another.This aircondition can be in improving high-voltage tube refrigerant liquid degree of supercooling and improving in air intake duct in the refrigerant vapour degree of superheat, guarantee that the area occupied of aircondition in automobile can not increase, and can not increase the manufacturing cost of aircondition.But this utility model contacts with each other and realizes heat exchange by air intake duct and high-voltage tube, the air intake duct of rigidity and high-voltage tube are difficult to abundant laminating, so heat exchanger effectiveness is lower.
The utility model content
In order to overcome existing car air conditioner refrigerant because cooling effect is limited midway, and temperature drift while causing arriving cooling unit can absorb heat again in course of conveying in cabin, affect the defect of refrigeration, the utility model provides the nested rear road of a kind of low pressure refrigerant carrier pipe high-pressure refrigerant carrier pipe, takes full advantage of the pipelines of automobile air conditioner pipe laying structure of high temperature refrigerant in the cooling rear road of the low-temperature refrigerant high-pressure refrigerant carrier pipe in the low pressure refrigerant carrier pipe.
The technical solution of the utility model is: a kind of pipelines of automobile air conditioner pipe laying structure, comprise low pressure refrigerant carrier pipe He Hou road high-pressure refrigerant carrier pipe, rear road high-pressure refrigerant carrier pipe comprises the entrance skirt that is connected on condenser, is connected to outlet pigtail and straight tube on evaporimeter, straight tube is arranged in the low pressure refrigerant carrier pipe, and the entrance skirt is connected with the straight tube two ends respectively with outlet pigtail.In existing pipelines of automobile air conditioner pipe laying structure, low pressure refrigerant carrier pipe He Hou road high-pressure refrigerant carrier pipe is separately laid, wiring path does not occur simultaneously, as shown in Figure 4, on the one hand, need to keep the cold-producing medium in low temperature De Hou road high-pressure refrigerant carrier pipe but to be difficult to avoid absorb heat in the cabin, ground, on the other hand, the refrigerant temperature that is back to compressor through the low pressure refrigerant carrier pipe from cooling unit is very low, does not but add any utilization.Low pressure refrigerant carrier pipe He Hou road high-pressure refrigerant carrier pipe is arranged to nested structure for this reason, Yi Duanhou road high-pressure refrigerant carrier pipe is through to low pressure refrigerant carrier pipe inside, Ci Duanhou road high-pressure refrigerant carrier pipe is immersed in low-temperature refrigerant, carry out heat exchange with low-temperature refrigerant, thereby the high temperature refrigerant temperature in Jiang Hou road high-pressure refrigerant carrier pipe drops on lower level, improve refrigeration.
As preferably, the low pressure refrigerant carrier pipe is provided with two foldings and turns section, and straight tube integral body turns in the section between section at described two foldings, and each folding turns the corresponding straight tube of section port and is respectively equipped with a dismountable blanking cover.The part that two foldings of low pressure refrigerant carrier pipe turn between section is enclosed within the part outside straight tube just, blanking cover just in time is on the same straight line with straight tube, blanking cover can be pulled down ，Zai Hou road high-pressure refrigerant carrier pipe and be assembled to low pressure refrigerant carrier pipe convenient operation when inner.
As preferably, blanking cover is provided with and can holds the through hole that straight tube passes through, and the straight tube two ends are exposed to outside blanking cover, and the connecting portion of straight tube and through hole is provided with seal.Straight tube is exposed at the outer part of blanking cover and can be connected with outlet pigtail with the entrance skirt easily, and when straight tube passes the low pressure refrigerant carrier pipe simultaneously, sealing also is guaranteed, and the low-temperature refrigerant in the low pressure refrigerant carrier pipe can not revealed.
As preferably, entrance skirt and outlet pigtail are threaded with the straight tube two ends respectively.For pipe connects, being threaded is a kind of connected mode convenient to disassembly, adopts this mode to be beneficial to and improves the operating efficiency that pipe connects.
As an alternative, entrance skirt and outlet pigtail are provided with screw thread, on two blanking covers respectively with the screwed hole of entrance skirt and outlet pigtail adaptation, straight tube integral body is positioned at low pressure refrigerant carrier pipe inside, and the entrance skirt is threaded with blanking cover respectively with outlet pigtail and is connected with the straight tube two ends in low pressure refrigerant carrier pipe inside.Entrance skirt and outlet pigtail are threaded with blanking cover and run through blanking cover, and the sealing problem of this access way relatively more easily solves.
As an alternative, the entrance skirt is that taper fit is connected with outlet pigtail and the connectivity port of straight tube.Entrance skirt and outlet pigtail and straight tube are guaranteed the sealing of rear road high-pressure refrigerant carrier pipe by taper fit, because entrance skirt and outlet pigtail are threaded with blanking cover, therefore can produce large more stable holding power and make can compress between entrance skirt and outlet pigtail port and straight tube port, realize reliable taper fit.
As preferably, be installed with some radially gussets on the inwall of low pressure refrigerant carrier pipe, radially gusset is distributed on the inwall circumference of low pressure refrigerant carrier pipe radially, and each is diameter and the straight tube diameter adaptation of the passage that free end surrounds of gusset radially.The passage that radially the gusset free end surrounds can hold rear road high-pressure refrigerant carrier pipe and axially embed, radially gusset provides radial support Shi Hou road high-pressure refrigerant carrier pipe in the fixing position of the inner maintenance of low pressure refrigerant carrier pipe, and the radially gusset of radial distribution can not hinder cold-producing medium flowing in the low pressure refrigerant carrier pipe.
As preferably, blanking cover is threaded with the low pressure refrigerant carrier pipe.Adopt thread connecting mode, blanking cover is dismounting quickly and easily.
As an alternative, blanking cover is connected with low pressure refrigerant carrier pipe flange.Adopt flange connection, the syndeton between blanking cover and low pressure refrigerant carrier pipe is firm and service life is longer.
The beneficial effects of the utility model are:
Effectively improve air conditioner refrigeration effect.The utility model utilizes the high temperature refrigerant in the low-temperature refrigerant Dui Hou road high-pressure refrigerant carrier pipe in the low pressure refrigerant carrier pipe to carry out cooling by the nested structure of low pressure refrigerant carrier pipe He Hou road high-pressure refrigerant carrier pipe, significantly reduce the front temperature of cold-producing medium work, improve air conditioner refrigeration effect.
Efficient energy-saving.The low temperature that the utility model takes full advantage of the cold-producing medium after work carries out again cooling to the cold-producing medium before working, equal energy consumption just can obtain better air conditioner refrigeration effect, has greatly improved energy utilization rate.
The accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model;
A kind of cross section cutaway view that Fig. 2 is A-A place in Fig. 1;
Fig. 3 is a kind of application air-conditioning duct figure of the present utility model;
Fig. 4 is a kind of air-conditioning duct figure of the prior art.
In figure, 1-low pressure refrigerant carrier pipe, 2-entrance skirt, the 3-outlet pigtail, the 4-straight tube, the 5-blanking cover, 6-is gusset ，7-Qian road high-pressure refrigerant carrier pipe radially, 8-condenser, 9-compressor, 10-refrigeration unit.
The specific embodiment
Below in conjunction with the accompanying drawing specific embodiment, the utility model is described in further detail.
Embodiment 1:
As Fig. 1, shown in Fig. 2 and Fig. 3, a kind of pipelines of automobile air conditioner pipe laying structure, comprise low pressure refrigerant carrier pipe 1, front road high-pressure refrigerant carrier pipe 7 He Hou road high-pressure refrigerant carrier pipes, low pressure refrigerant carrier pipe 1 is connected between the expansion valve of compressor 9 and refrigeration unit 10, front road high-pressure refrigerant carrier pipe 7 is connected between compressor 9 and condenser 8, rear road high-pressure refrigerant carrier pipe comprises the entrance skirt 2 be connected on condenser 8, be connected to outlet pigtail 3 and 4 three parts of straight tube on the evaporimeter of refrigeration unit 10, straight tube 4 external diameters are less than low pressure refrigerant carrier pipe 1 internal diameter, straight tube 4 is arranged in low pressure refrigerant carrier pipe 1, entrance skirt 2 is connected with straight tube 4 two ends respectively with outlet pigtail 3.Low pressure refrigerant carrier pipe 1 is zigzag, above establishes two foldings and turns section, and straight tube 4 integral body turn in the section between section at described two foldings, and each folding turns the corresponding straight tube of section 4 ports and is respectively equipped with a dismountable blanking cover 5.In the present embodiment, 1 of blanking cover 5 and low pressure refrigerant carrier pipe are for being threaded.Blanking cover 5 is provided with and can holds the through hole that straight tube 4 passes through, and straight tube 4 two ends are exposed to outside blanking cover 5, and straight tube 4 is provided with seal with the connecting portion of through hole.Entrance skirt 2 and outlet pigtail 3 are threaded with straight tube 4 two ends respectively.Need first straight tube 4 to be packed into low pressure refrigerant carrier pipe 1 while completing this pipelines of automobile air conditioner pipe laying structure, then connect entrance skirt 2 and outlet pigtail 3 completes assembling.Be installed with some radially gussets 6 on the inwall of low pressure refrigerant carrier pipe 1, radially gusset 6 is distributed on the inwall circumference of low pressure refrigerant carrier pipe 1 radially, radially the length direction of gusset 6 and low pressure refrigerant carrier pipe 1 is axially identical, radially the width of gusset 6 and low pressure refrigerant carrier pipe 1 is radially identical, each is diameter and the straight tube 4 diameter adaptations of the passage that free end surrounds of gusset 6 radially, thereby can hold straight tube 4, axially embed, and by straight tube 4 remain on the concentric position of low pressure refrigerant carrier pipe 1 on.
During air-conditioning work, compressor of air conditioner becomes refrigerant compression the cold-producing medium of HTHP, Yan Qian road high-pressure refrigerant carrier pipe is transported to condenser 8, the rear refrigerant temperature of condenser 8 of flowing through decreases, be still high-pressure refrigerant, Bing Yanhou road high-pressure refrigerant carrier pipe is carried to the evaporimeter of refrigeration unit 10.Straight tube 4 major parts of rear road high-pressure refrigerant carrier pipe all be immersed in low pressure refrigerant carrier pipe 1, from refrigeration unit, reflux to the low-temperature low-pressure refrigerant of compressor, low-temperature low-pressure refrigerant flows through from the space of 6 of gussets radially, flow to and flow to contrary with the high-pressure refrigerant in straight tube 4, high-pressure refrigerant and low-temperature low-pressure refrigerant carry out heat exchange, further reduce the temperature of high-pressure refrigerant, then through outlet pigtail 3, flow to evaporimeter and carry out work.
Embodiment 2:
Claims (9)
1. a pipelines of automobile air conditioner pipe laying structure, comprise low pressure refrigerant carrier pipe (1) He Hou road high-pressure refrigerant carrier pipe, it is characterized in that rear road high-pressure refrigerant carrier pipe comprises the entrance skirt (2) that is connected on condenser, is connected to outlet pigtail (3) and straight tube (4) on evaporimeter, straight tube (4) is arranged in low pressure refrigerant carrier pipe (1), and entrance skirt (2) is connected with straight tube (4) two ends respectively with outlet pigtail (3).
2. pipelines of automobile air conditioner pipe laying structure according to claim 1, it is characterized in that low pressure refrigerant carrier pipe (1) is provided with two foldings and turns section, straight tube (4) is whole to turn in the section between section at described two foldings, and each folding turns the corresponding straight tube (4) of section port and is respectively equipped with a dismountable blanking cover (5).
3. pipelines of automobile air conditioner pipe laying structure according to claim 2, it is characterized in that blanking cover (5) is provided with can hold the through hole that straight tube (4) passes through, and straight tube (4) two ends are exposed to outside blanking cover (5), and straight tube (4) is provided with seal with the connecting portion of through hole.
4. pipelines of automobile air conditioner pipe laying structure according to claim 3, is characterized in that entrance skirt (2) and outlet pigtail (3) are threaded with straight tube (4) two ends respectively.
5. pipelines of automobile air conditioner pipe laying structure according to claim 2, it is characterized in that entrance skirt (2) and outlet pigtail (3) are provided with screw thread, the screwed hole adaptive with entrance skirt (2) and outlet pigtail (3) respectively on two blanking covers (5), straight tube (4) integral body is positioned at low pressure refrigerant carrier pipe (1) inside, and entrance skirt (2) is threaded with blanking cover (5) respectively with outlet pigtail (3) and is connected with straight tube (4) two ends in low pressure refrigerant carrier pipe (1) inside.
6. pipelines of automobile air conditioner pipe laying structure according to claim 5, is characterized in that for taper fit, being connected between the connectivity port of entrance skirt (2) and outlet pigtail (3) and straight tube (4).
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described pipelines of automobile air conditioner pipe laying structures, it is characterized in that being installed with some radially gussets (6) on the inwall of low pressure refrigerant carrier pipe (1), radially gusset (6) is distributed on the inwall circumference of low pressure refrigerant carrier pipe (1) radially, and each is diameter and straight tube (4) the diameter adaptation of the passage that free end surrounds of gusset (6) radially.
8. according to claim 2 or 3 or 4 or 5 or 6 described pipelines of automobile air conditioner pipe laying structures, it is characterized in that blanking cover (5) is threaded with low pressure refrigerant carrier pipe (1).
9. according to claim 2 or 3 or 4 or 5 or 6 described pipelines of automobile air conditioner pipe laying structures, it is characterized in that blanking cover (5) is connected with low pressure refrigerant carrier pipe (1) flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203187720U CN203323323U (en) | 2013-06-04 | 2013-06-04 | Vehicle air conditioning pipeline arrangement structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203187720U CN203323323U (en) | 2013-06-04 | 2013-06-04 | Vehicle air conditioning pipeline arrangement structure |
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| Publication Number | Publication Date |
|---|---|
| CN203323323U true CN203323323U (en) | 2013-12-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203187720U Expired - Fee Related CN203323323U (en) | 2013-06-04 | 2013-06-04 | Vehicle air conditioning pipeline arrangement structure |
Country Status (1)
| Country | Link |
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| CN (1) | CN203323323U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359254A (en) * | 2014-11-15 | 2015-02-18 | 郑州飞机装备有限责任公司 | Parallel flow condenser |
| CN104455873A (en) * | 2014-12-17 | 2015-03-25 | 合肥三艾汽车配件有限公司 | Automotive air conditioning pipe |
| CN107178935A (en) * | 2016-03-11 | 2017-09-19 | 福特全球技术公司 | Nested type HVAC pipeline |
-
2013
- 2013-06-04 CN CN2013203187720U patent/CN203323323U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104359254A (en) * | 2014-11-15 | 2015-02-18 | 郑州飞机装备有限责任公司 | Parallel flow condenser |
| CN104455873A (en) * | 2014-12-17 | 2015-03-25 | 合肥三艾汽车配件有限公司 | Automotive air conditioning pipe |
| CN107178935A (en) * | 2016-03-11 | 2017-09-19 | 福特全球技术公司 | Nested type HVAC pipeline |
| US10011155B2 (en) | 2016-03-11 | 2018-07-03 | Ford Global Technologies Llc | Nested HVAC lines |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131204 Termination date: 20170604 |