CN221120115U - PHEV expansion tank and vehicle - Google Patents
PHEV expansion tank and vehicle Download PDFInfo
- Publication number
- CN221120115U CN221120115U CN202322870487.6U CN202322870487U CN221120115U CN 221120115 U CN221120115 U CN 221120115U CN 202322870487 U CN202322870487 U CN 202322870487U CN 221120115 U CN221120115 U CN 221120115U
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- China
- Prior art keywords
- expansion tank
- temperature expansion
- tank body
- low
- temperature
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- 241000156302 Porcine hemagglutinating encephalomyelitis virus Species 0.000 title claims abstract 11
- 238000001816 cooling Methods 0.000 claims abstract description 30
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000002955 isolation Methods 0.000 claims description 6
- 229920009788 PA66 GF30 Polymers 0.000 claims description 3
- 229920006497 PA66-GF30 Polymers 0.000 claims description 3
- 239000004952 Polyamide Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 229920002647 polyamide Polymers 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 13
- 239000000110 cooling liquid Substances 0.000 description 5
- 230000001502 supplementing effect Effects 0.000 description 4
- 230000002528 anti-freeze Effects 0.000 description 3
- 238000007872 degassing Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000013589 supplement Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000002000 scavenging effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Landscapes
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model discloses a PHEV expansion tank, which comprises a high-temperature expansion tank body and a low-temperature expansion tank body, wherein the high-temperature expansion tank body and the low-temperature expansion tank body are fixedly connected, the high-temperature expansion tank body is used for being connected with a high-temperature cooling system and an auxiliary heating system, the low-temperature expansion tank body is used for being connected with a low-temperature cooling system and a battery cooling system, and a mounting bracket is arranged on the high-temperature expansion tank body or the low-temperature expansion tank body. The PHEV expansion tank reduces the number of parts and the occupied space of the parts; the number of the dies is reduced, the materials are saved, and the product cost can be effectively reduced; the expansion tank assembly is more flexible and convenient to arrange. The utility model also discloses a vehicle.
Description
Technical Field
The utility model belongs to the technical field of automobile thermal management, and particularly relates to a PHEV expansion tank and a vehicle.
Background
The automobile expansion tank assembly is used as a key part in an automobile cooling system, and sufficient antifreeze is required to be kept in operation. Function of expansion tank: ① Filling, storing and compensating the cooling liquid, and when the cooling liquid expands due to heating, part of the cooling liquid flows into the expansion tank; when the cooling liquid is cooled, part of the cooling liquid is sucked back to the engine; ② Regulating the pressure of the cooling system, and opening a pressure relief valve to relieve pressure when the system pressure is greater than a certain value; when the pressure of the system is lower than the external atmospheric pressure, the vacuum valve of the expansion tank cover is opened to supplement the pressure of the system to achieve the balance of the internal pressure and the external pressure.
The new energy automobile is environment-friendly and energy-saving, and will become the development direction of future automobiles, and taking a plug-in hybrid electric vehicle (PHEV) as an example, the plug-in hybrid electric vehicle comprises a high-temperature cooling system, a low-temperature cooling system, an auxiliary heating system and a battery cooling system. At least two expansion tanks are required, and the requirement for layout space is high, and two matched mounting brackets are required, so that the cost and weight of the whole vehicle are increased.
Along with the continuous increase of new energy automobile service function, required spare part quantity also increases, in the front deck arrangement space that gets more and more complicated, need be under the prerequisite of guaranteeing the service function, reduce the quantity of spare part, reduction in production cost, reduce spare part occupation space, rational planning expansion tank assembly structure and arrangement position.
Disclosure of utility model
The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, the utility model provides a PHEV expansion tank, which aims to reduce the number of parts and occupied space.
In order to solve the technical problems, the utility model adopts the following technical scheme: PHEV expansion tank, including high temperature expansion tank body and low temperature expansion tank body, high temperature expansion tank body and low temperature expansion tank body fixed connection, high temperature expansion tank body are used for being connected with high temperature cooling system and auxiliary heating system, and low temperature expansion tank body is used for being connected with low temperature cooling system and battery cooling system, sets up the installing support on high temperature expansion tank body or the low temperature expansion tank body.
The high-temperature expansion tank body is welded with the low-temperature expansion tank body.
The pressure of the pressure reducing valve of the high-temperature expansion tank is different from that of the pressure reducing valve of the low-temperature expansion tank.
The filling port of the high-temperature expansion tank body is provided with an internal thread, the filling port of the low-temperature expansion tank body is provided with an external thread, the high-temperature expansion tank pressure cover is in threaded connection with the high-temperature expansion tank body, and the low-temperature expansion tank pressure cover is in threaded connection with the low-temperature expansion tank body.
The high-temperature expansion tank body and the low-temperature expansion tank body are provided with isolation knots and are connected and combined below the isolation knots through support guide posts.
The high-temperature expansion tank body and the low-temperature expansion tank body are made of polypropylene PP5 materials.
The high-temperature expansion tank pressure cover and the low-temperature expansion tank pressure cover are made of polyamide PA66-GF30.
The utility model also provides a vehicle comprising the PHEV expansion tank.
The PHEV expansion tank has the following beneficial effects:
1. the number of parts is reduced, and the occupied space of the parts is reduced;
2. The number of the dies is reduced, the materials are saved, and the product cost can be effectively reduced;
3. the expansion tank assembly is more flexible and convenient to arrange.
Drawings
FIG. 1 is a top view of a PHEV expansion tank according to the utility model;
FIG. 2 is a bottom view of the PHEV expansion tank of the utility model;
FIG. 3 is a front view of the PHEV expansion tank of the utility model;
FIG. 4 is a rear view of the PHEV expansion tank according to the utility model;
FIG. 5 is an embedded thread structure of the case of the present utility model;
FIG. 6 is a front view of the high temperature expansion tank cap of the present utility model;
FIG. 7 is a cross-sectional view of a high temperature expansion tank cap of the present utility model;
FIG. 8 is a front view of the low temperature expansion tank cap of the present utility model;
FIG. 9 is a cross-sectional view of the low temperature expansion tank cap of the present utility model;
The labels in the above figures are: 1. a high temperature expansion tank; 2. a low temperature expansion tank; 3. a high temperature expansion tank pressure cap; 4. a low temperature expansion tank pressure cap; 5. a radiator air removal port; 6. an engine scavenging port; 7. a water supplementing port; 8. a water inlet of the expansion tank; 9. a water outlet of the expansion tank; 10. a mounting bracket; 11. and (5) a bracket guide post.
Detailed Description
The following detailed description of the embodiments of the utility model, given by way of example only, is presented in the accompanying drawings to aid in a more complete, accurate and thorough understanding of the concepts and aspects of the utility model, and to aid in its practice, by those skilled in the art.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "upper", "lower", and the like are used herein for the purpose of illustration only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this invention belongs, and the knowledge of terms used in the description of this invention herein for the purpose of describing particular embodiments is not intended to limit the invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
As shown in fig. 1 to 9, the present utility model provides a PHEV expansion tank, comprising a high temperature expansion tank body 1 and a low temperature expansion tank body 2, wherein the high temperature expansion tank body 1 and the low temperature expansion tank body 2 are welded, the high temperature expansion tank body 1 is used for being connected with a high temperature cooling system and an auxiliary heating system, the low temperature expansion tank body 2 is used for being connected with a low temperature cooling system and a battery cooling system, and a mounting bracket 10 is arranged on the high temperature expansion tank body 1 or the low temperature expansion tank body 2.
Preferably, the embedded screw thread of the high-temperature expansion tank body 1 is connected with the high-temperature expansion tank pressure cover 3, the outer convex screw thread of the low-temperature expansion tank body 2 is connected with the low-temperature expansion tank pressure cover 4, and the high-temperature expansion tank and the low-temperature expansion tank are provided with isolation knots and are connected and combined below the isolation knots through the bracket guide posts 11.
Preferably, the high temperature expansion tank 1 is used for supplementing water, deaerating a radiator and deaerating an engine for a high temperature cooling system and an auxiliary heating system. A radiator degassing port 5 is arranged on the high-temperature expansion tank body 1 and is used for degassing the radiator; the high-temperature expansion tank body 1 is provided with an engine air removal port 6 for removing air from the engine; and a water supplementing port 7 is arranged on the high-temperature expansion tank body 1 and is used for supplementing water for the high-temperature cooling system and the auxiliary heating system.
Preferably, the cryoexpansion tank 2 is used to replenish the cryocooling system with water and to connect the battery cooling systems in series. The low-temperature expansion tank body 2 is provided with an expansion tank water inlet 8 for participating in the circulation of a battery cooling loop, and water discharged by a battery cooling system flows into the low-temperature expansion tank body 2 through the expansion tank water inlet 8. The low-temperature expansion tank body 2 is provided with an expansion tank water outlet 9 for participating in the circulation of a battery cooling loop, and water in the low-temperature expansion tank body 2 flows out of the expansion tank through the expansion tank water outlet 9.
Preferably, the plastic bracket is fixedly connected with the high-temperature expansion tank body 1, the high-temperature expansion tank body 1 is used for being fixed on a vehicle body, and a plurality of plastic brackets are arranged. The bracket guide post 11 is for fixing to a vehicle body fixing mounting hole.
Preferably, the high temperature expansion tank 1 and the low temperature expansion tank 2 are welded together in order to save space, are provided with separate knots, are independent of each other, and share 3 fastening points and the body fastening, so that the size of the expansion tank and the space required for its installation in a vehicle are minimized.
Preferably, the pressure of the pressure reducing valve of the high-temperature expansion tank 1 and the pressure reducing valve of the low-temperature expansion tank 2 are different, and the opening pressure of the pressure reducing valve of the high-temperature cooling system is as follows: 100+kPa; opening pressure of the cryogenically cooled system depressurization valve: tens of kPa; the opening pressure of the vacuum valve is the same.
Preferably, the advantage of this expansion tank is that a single expansion tank is used for different fluid cooling circuits covering the high temperature cooling system, the low temperature cooling system, the auxiliary heating system, the battery cooling system.
Preferably, the filling port of the high temperature expansion tank 1 is provided with internal threads, the filling port of the low temperature expansion tank 2 is provided with external threads, and the high temperature expansion tank pressure cover 3 and the low temperature expansion tank pressure cover 4 are screwed in place.
Preferably, the left and right sides of the lower box body are respectively provided with a mounting bracket 10 which is fixed on the vehicle body through bolts;
Preferably, the lower box is fixed in the corresponding hole of the car body through the lower bracket guide post 11.
Preferably, the MAX and MIN lines for both systems are determined based on system pressure and volume, respectively, and are represented by lettering on the expansion tank.
Preferably, the high-temperature expansion tank 1 and the low-temperature expansion tank 2 are filled independently without influencing each other when the antifreeze solution is filled. When the system works, the two expansion boxes independently work without interference, and the functions of antifreeze fluid supplement, circulation and system pressure regulation of the high-temperature cooling system and the low-temperature cooling system can be simultaneously met.
Preferably, the materials of the high temperature expansion tank pressure cap 3 and the low temperature expansion tank pressure cap 4 are polyamide PA66-GF30. The material has good dimensional stability, heat resistance and ageing resistance.
Preferably, the high-temperature expansion tank body 1 and the low-temperature expansion tank body 2 are made of polypropylene PP5 materials. The material has good flexibility, heat resistance and chemical stability and relatively low price.
The utility model also provides a vehicle, comprising the PHEV expansion tank with the structure. The specific structure of the PHEV expansion tank can be referred to in fig. 1 to 9, and will not be described herein. Since the vehicle of the present utility model includes the PHEV expansion tank in the above-described embodiment, it has all the advantages of the PHEV expansion tank described above.
While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the above embodiments, but is capable of being modified or applied directly to other applications without modification, as long as various insubstantial modifications of the method concept and technical solution of the utility model are adopted, all within the scope of the utility model.
Claims (8)
- PHEV expansion tank, characterized in that: the high-temperature expansion tank body is fixedly connected with the low-temperature expansion tank body, the high-temperature expansion tank body is used for being connected with a high-temperature cooling system and an auxiliary heating system, the low-temperature expansion tank body is used for being connected with a low-temperature cooling system and a battery cooling system, and a mounting bracket is arranged on the high-temperature expansion tank body or the low-temperature expansion tank body.
- 2. The PHEV expansion tank of claim 1, wherein: the high-temperature expansion tank body is welded with the low-temperature expansion tank body.
- 3. The PHEV expansion tank of claim 1, wherein: the pressure of the pressure reducing valve of the high-temperature expansion tank is different from that of the pressure reducing valve of the low-temperature expansion tank.
- 4. A PHEV expansion tank according to any of claims 1 to 3, characterised in that: the filling port of the high-temperature expansion tank body is provided with an internal thread, the filling port of the low-temperature expansion tank body is provided with an external thread, the high-temperature expansion tank pressure cover is in threaded connection with the high-temperature expansion tank body, and the low-temperature expansion tank pressure cover is in threaded connection with the low-temperature expansion tank body.
- 5. A PHEV expansion tank according to any of claims 1 to 3, characterised in that: the high-temperature expansion tank body and the low-temperature expansion tank body are provided with isolation knots and are connected and combined below the isolation knots through support guide posts.
- 6. A PHEV expansion tank according to any of claims 1 to 3, characterised in that: the high-temperature expansion tank body and the low-temperature expansion tank body are made of polypropylene PP5 materials.
- 7. The PHEV expansion tank of claim 4, wherein: the high-temperature expansion tank pressure cover and the low-temperature expansion tank pressure cover are made of polyamide PA66-GF30.
- 8. The vehicle is characterized in that: comprising the PHEV expansion tank according to any of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322870487.6U CN221120115U (en) | 2023-10-25 | 2023-10-25 | PHEV expansion tank and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322870487.6U CN221120115U (en) | 2023-10-25 | 2023-10-25 | PHEV expansion tank and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221120115U true CN221120115U (en) | 2024-06-11 |
Family
ID=91345815
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322870487.6U Active CN221120115U (en) | 2023-10-25 | 2023-10-25 | PHEV expansion tank and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221120115U (en) |
-
2023
- 2023-10-25 CN CN202322870487.6U patent/CN221120115U/en active Active
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| GR01 | Patent grant | ||
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