CN215644667U - Cooling liquid flow control device for rear-mounted battery of electric automobile - Google Patents
Cooling liquid flow control device for rear-mounted battery of electric automobile Download PDFInfo
- Publication number
- CN215644667U CN215644667U CN202023246057.XU CN202023246057U CN215644667U CN 215644667 U CN215644667 U CN 215644667U CN 202023246057 U CN202023246057 U CN 202023246057U CN 215644667 U CN215644667 U CN 215644667U
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- control device
- flow control
- battery
- liquid cooling
- cooling plate
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- 239000000110 cooling liquid Substances 0.000 title abstract description 8
- 239000007788 liquid Substances 0.000 claims abstract description 44
- 238000001816 cooling Methods 0.000 claims abstract description 43
- 238000003466 welding Methods 0.000 claims abstract description 30
- 239000002826 coolant Substances 0.000 claims abstract description 15
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 238000010622 cold drawing Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Secondary Cells (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The utility model relates to a coolant flow control device for a rear-mounted battery of an electric automobile, which comprises a battery body; the lower edge of the battery body is provided with a liquid cooling plate body; two ends of the liquid cooling plate body are connected with drainage tubes, and the drainage tube at one end is provided with a two-way proportional valve; two ends of the liquid cooling plate body are provided with closed cavities; the outer end of the closed cavity is provided with a joint communicated with the drainage tube; a welding bracket is arranged at the upper edge of the closed cavity; the welding bracket is provided with a fixing hole; the welding support is connected with a mounting support. Its advantages are: the cooling liquid flow control device for the rear-mounted battery of the electric automobile is provided with the two-way proportional valve, so that the flow entering the liquid cooling plate body is directly controlled, the temperature of the battery body is controlled through the flow of the liquid cooling plate body, and the cooling temperature of the battery body is controllable.
Description
Technical Field
The utility model relates to the technical field of electric vehicle batteries, in particular to a cooling liquid flow control device for a rear-mounted battery of an electric vehicle.
Background
New energy technologies are developed in all countries in the world, and the problem of automobile pollution becomes the key for solving the energy crisis. The electric vehicle which is produced along with the situation gradually enters the vision of people, and the battery of the electric vehicle is a power source on the electric vehicle. However, the prior art electric vehicle battery has the following drawbacks and disadvantages:
in the prior art, part of batteries of the electric vehicle adopt a natural cooling mode, the batteries can basically work normally when the batteries operate within the range of 0-30 ℃ of the ambient temperature. However, in some areas, the temperature is usually as high as 40 ℃ or higher in summer, and a vehicle placed outdoors may not be charged because the temperature of the battery is too high.
Chinese patent document CN201921841469.2 discloses a pure electric vehicle battery pack liquid cold plate body; the method comprises the following steps: the device comprises a liquid inlet pipe, a liquid return pipe and a micro-channel pipeline, wherein the number of the micro-channel pipeline is 7, the top end of the micro-channel pipeline is connected with the liquid inlet pipe, the tail end of the micro-channel pipeline is connected with the liquid return pipe, and the micro-channel pipeline comprises a heat-conducting circular pipe; a plurality of heat conduction grooves are formed in the surface of the heat conduction circular tube and surround the surface of the heat conduction circular tube, a plurality of radiating fins are arranged inside the heat conduction grooves, a hole channel is formed inside the heat conduction circular tube, and a plurality of heat conduction fins are evenly arranged on the inner wall of the hole channel.
Compared with the liquid cooling plate structure of a rectangular micro-channel on the market, the liquid cooling plate wrapped by the battery of the pure electric vehicle disclosed by the patent document has the advantages that the pressure drop is smaller, under the same flow rate, the pressure drop of the liquid cooling plate body is 24.1Kpa, the pressure drop of the liquid cooling plate body of the rectangular micro-channel is 28.9Kpa, and the 4.8Kpa is reduced; offer the heat conduction recess on the heat conduction pipe to set up the fin in the heat conduction recess, can improve the heat conduction speed of battery, the contact of the heat conduction piece and the coolant liquid of inside setting can take the heat out fast, improves the radiating efficiency. However, regarding a method for directly controlling the flow rate entering the liquid cooling plate body, a technical solution for controlling the temperature change by controlling the flow rate is not disclosed.
In view of the above, there is a need for a coolant flow control device that directly controls the flow into the liquid cooling plate body to control the temperature change by controlling the flow. However, no report has been made on such a coolant flow control device.
Disclosure of Invention
The utility model aims to provide a cooling liquid flow control device which directly controls the flow entering a liquid cooling plate body and controls the temperature change by controlling the flow.
In order to achieve the purpose, the utility model adopts the technical scheme that:
a coolant flow control device for a rear-mounted battery of an electric vehicle comprises a battery body; the lower edge of the battery body is provided with a liquid cooling plate body; two ends of the liquid cooling plate body are connected with drainage tubes, wherein the drainage tube at one end is provided with a two-way proportional valve; two ends of the liquid cooling plate body are provided with closed cavities; the outer end of the closed cavity is provided with a joint communicated with the drainage tube; a welding bracket is arranged at the upper edge of the closed cavity; the welding bracket is provided with a fixing hole; the welding support is connected with a mounting support.
As a preferred technical solution, the mounting bracket includes a bottom support bar; end supporting bars are arranged at the two ends of the bottom supporting bar; the end supporting bars are at least two, and a connecting bar is arranged between the two end supporting bars.
As a preferred technical scheme, the connecting strip and the welding bracket are vertically distributed, and a fixing bolt penetrates through a fixing hole of the welding bracket and fixes the connecting strip together.
As a preferred technical scheme, the welding bracket is L-shaped.
As a preferred technical scheme, a VCU controller is matched in the two-way proportional valve; the two-way proportional valve comprises a rotating plate and a signal receiver; the signal receiver is matched with a signal transmitter of the VCU controller; the signal receiver is connected with the signal transmitter through a CAN (controller area network) line; the VCU controller receives the temperature of the battery body, and transmits a signal generated by the received temperature to the signal receiver through the CAN line; and after the signal receiver receives the signal, the rotating plate is moved, so that the opening degree of the two-way proportional valve is controlled.
As a preferred technical scheme, the two-way proportional valve has four in total.
As a preferable technical scheme, a fixing base is arranged on the battery body.
The utility model has the advantages that:
1. the cooling liquid flow control device for the rear-mounted battery of the electric automobile is provided with the two-way proportional valve, so that the flow entering the liquid cooling plate body is directly controlled, the temperature of the battery body is controlled through the flow of the liquid cooling plate body, and the cooling temperature of the battery body is controllable.
2. Through welding stent and installing support, realized the rear end installation liquid cooling board of battery body, and then changed the relation of connection between battery body and the rear end apron to better control the temperature of electromagnetism body.
3. The mounting bracket comprises a bottom support bar; end supporting bars are arranged at the two ends of the bottom supporting bar; the end supporting bars are at least two, and a connecting bar is arranged between the two end supporting bars. The bottom supporting bars are used for supporting the bottom end of the battery body; the end support is used for supporting the top end of the battery body; the design of connecting strip for be in the same place two adjacent end portion support bars are fixed, and stability is good.
4. The two-way proportional valve is four in number, so that after the battery cooling system is installed, 4 proportional control two-way valves are respectively added at the inlets of the liquid cooling plates, and the flow entering the liquid cooling plate body can be directly controlled through VCU control, so that the aim of respectively controlling the precision is fulfilled. The temperature of the battery can be more balanced and controllable.
Drawings
Fig. 1 is a schematic structural diagram of a coolant flow control device for a rear-mounted battery of an electric vehicle according to the present invention.
Fig. 2 is a schematic structural view of the liquid-cooled panel body of the present invention.
FIG. 3 is a schematic diagram of a two-way proportional valve.
Detailed Description
The utility model is further described with reference to the following examples and with reference to the accompanying drawings.
The reference numerals and components referred to in the drawings are as follows:
1. battery body 2. liquid cooling plate body
3. Drainage tube 4. two-way proportional valve
5. Closed cavity
6. Welding support 61, fixed orifices
62. Mounting bracket 7, bottom support bar
8. End support bar 9. connecting bar
10. Fixing bolt
Referring to fig. 1, fig. 1 is a schematic structural diagram of a coolant flow control device for a rear-mounted battery of an electric vehicle according to the present invention. A coolant flow control device for a rear-mounted battery of an electric vehicle; the cooling liquid flow control device comprises a battery body 1; the liquid cooling plate body 2 is arranged on the lower edge of the battery body 1; two ends of the liquid cooling plate body 2 are connected with a drainage tube 3, wherein the drainage tube 3 at one end is provided with a two-way proportional valve 4; the two-way proportional valve 4 is provided with a VCU controller (not shown).
Referring to fig. 2, fig. 2 is a schematic structural view of the liquid cold plate body 2 according to the present invention. Two ends of the liquid cooling plate body 2 are provided with closed cavities 5; the outer end of the closed cavity 5 is provided with a joint communicated with the drainage tube 3; the upper edge of the closed cavity 5 is provided with a welding bracket 6; the welding bracket 6 is L-shaped; the welding bracket 6 is provided with a fixing hole 61. The welding bracket 6 is connected with a mounting bracket 62; the mounting bracket 62 comprises a bottom support strip 7; end supporting bars 8 are arranged at two ends of the bottom supporting bar 7; the number of the end supporting bars 8 is at least two, and a connecting bar 9 is arranged between the two end supporting bars 8; the connecting strips 9 and the welding bracket 6 are vertically distributed, and fixing bolts 10 penetrate through fixing holes 61 of the welding bracket 6 and fix the connecting strips 9 together.
Referring to fig. 3, fig. 3 is a schematic structural diagram of the two-way proportional valve 4. The two-way proportional valve 4 comprises a rotating plate and a signal receiver; the signal receiver is matched with a signal transmitter of the VCU controller; the signal receiver is connected with the signal transmitter through a CAN (controller area network) line; the VCU controller receives the temperature of the battery body 1, and transmits a signal generated by the received temperature to the signal receiver through the CAN line; and after receiving the signal, the signal receiver executes the movement of the rotating plate, thereby controlling the opening of the two-way proportional valve 4.
The embodiment needs to be explained as follows:
the liquid cooling plate body 2 is arranged on the lower edge of the battery body 1; the two ends of the liquid cooling plate body 2 are connected with a drainage tube 3, wherein the drainage tube 3 at one end is provided with a two-way proportional valve 4. The effect of this design is: make battery body 1 direct contact liquid cold drawing, can obviously cool down battery body 1. Secondly, be provided with two-way proportional valve 4, realized the flow of direct control entering liquid cooling plate body 2 to the realization is controlled the temperature of battery body 1 through the flow of liquid cooling plate body 2, makes the cooling temperature of battery body 1 controllable.
The upper edge of the closed cavity 5 is provided with a welding bracket 6; the welding bracket 6 is provided with a fixing hole 61; the welding bracket 6 is connected with a mounting bracket 62. The effect of this design is: through welding bracket 6 and installing support 62, realized the rear end installation liquid cooling board of battery body 1, and then changed the relation of connection between battery body 1 and the rear end apron to better control the temperature of electromagnetism body.
The mounting bracket 62 comprises a bottom support strip 7; end supporting bars 8 are arranged at two ends of the bottom supporting bar 7; the number of the end supporting bars 8 is at least two, and a connecting bar 9 is arranged between the two end supporting bars 8. The bottom support bar 7 is used for supporting the bottom end of the battery body 1; the end support is used for supporting the top end of the battery body 1; the connecting bars 9 are designed to fix the two adjacent end supporting bars 8 together, so that the stability is good.
The connecting strips 9 and the welding bracket 6 are vertically distributed, and fixing bolts 10 penetrate through fixing holes 61 of the welding bracket 6 and fix the connecting strips 9 together. The effect of this design is: through fixing bolt 10 design, can realize dismantling the connection, convenient operation.
The welding bracket 6 is L-shaped. The welding support 6 arranged in the L shape occupies less space, has the abdicating characteristic and is good in stability.
A VCU controller is matched in the two-way proportional valve 4; the two-way proportional valve 4 comprises a rotating plate and a signal receiver; the signal receiver is matched with a signal transmitter of the VCU controller. The VCU controller, the signal receiver, and the signal transmitter may all be devices in the art, and the detailed structure is not described herein.
The two-way proportional valves 4 are four in number, so that after the battery cooling system is installed, 4 proportional control two-way valves are respectively added at the inlets of the liquid cooling plates, and the flow entering the liquid cooling plate body 2 can be directly controlled through VCU control, so that the purpose of respectively controlling the precision is achieved. The temperature of the battery can be more balanced and controllable.
The battery body 1 is provided with a fixed base. Through setting up unable adjustment base, be convenient for fix whole battery device.
The cooling liquid flow control device for the rear-mounted battery of the electric automobile is provided with the two-way proportional valve 4, so that the flow entering the liquid cooling plate body 2 is directly controlled, the temperature of the battery body 1 is controlled through the flow of the liquid cooling plate body 2, and the cooling temperature of the battery body 1 is controllable.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and additions can be made without departing from the principle of the present invention, and these should also be considered as the protection scope of the present invention.
Claims (7)
1. A coolant flow control device for a rear-mounted battery of an electric vehicle is characterized by comprising a battery body; the lower edge of the battery body is provided with a liquid cooling plate body; two ends of the liquid cooling plate body are connected with a drainage tube, and one end of the drainage tube is provided with a two-way proportional valve; two ends of the liquid cooling plate body are provided with closed cavities; the outer end of the closed cavity is provided with a joint communicated with the drainage tube; a welding bracket is arranged at the upper edge of the closed cavity; the welding bracket is provided with a fixing hole; the welding support is connected with a mounting support.
2. The coolant flow control device of claim 1 wherein said mounting bracket includes a bottom support bar; end supporting bars are arranged at the two ends of the bottom supporting bar; the end supporting bars are at least two, and a connecting bar is arranged between the two end supporting bars.
3. The coolant flow control device according to claim 2, wherein the connecting bar and the welding bracket are vertically arranged, and a fixing bolt is inserted into a fixing hole of the welding bracket to fix the connecting bar together.
4. The coolant flow control device of claim 1 wherein said weld bracket is L-shaped.
5. The coolant flow control device of claim 1 wherein said two-way proportional valve is fitted with a VCU controller; the two-way proportional valve comprises a rotating plate and a signal receiver; a signal transmitter is arranged in the VCU controller; the signal receiver is matched with a signal transmitter of the VCU controller; the signal receiver is connected with the signal transmitter through a CAN (controller area network) line; the VCU controller receives the temperature of the battery body, and transmits a signal generated by the received temperature to the signal receiver through the CAN line; and after the signal receiver receives the signal, the rotating plate is moved, so that the opening degree of the two-way proportional valve is controlled.
6. The coolant flow control device according to claim 1, wherein the two-way proportional valve has four valves.
7. The coolant flow control device according to claim 1, wherein a fixing base is provided on the battery body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023246057.XU CN215644667U (en) | 2020-12-29 | 2020-12-29 | Cooling liquid flow control device for rear-mounted battery of electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023246057.XU CN215644667U (en) | 2020-12-29 | 2020-12-29 | Cooling liquid flow control device for rear-mounted battery of electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215644667U true CN215644667U (en) | 2022-01-25 |
Family
ID=79888532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023246057.XU Expired - Fee Related CN215644667U (en) | 2020-12-29 | 2020-12-29 | Cooling liquid flow control device for rear-mounted battery of electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215644667U (en) |
-
2020
- 2020-12-29 CN CN202023246057.XU patent/CN215644667U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 408000 111 Xinyuan Avenue, Xincheng District, Fuling District, Chongqing Patentee after: Xinyuan Automobile Co.,Ltd. Address before: 408000 111 Xinyuan Avenue, Xincheng District, Fuling District, Chongqing Patentee before: HUACHEN XINYUAN CHONGQING AUTOMOBILE Co.,Ltd. |
|
| 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: 20220125 |