CN207852852U - Power battery expansion tank and electric vehicle - Google Patents
Power battery expansion tank and electric vehicle Download PDFInfo
- Publication number
- CN207852852U CN207852852U CN201820314005.5U CN201820314005U CN207852852U CN 207852852 U CN207852852 U CN 207852852U CN 201820314005 U CN201820314005 U CN 201820314005U CN 207852852 U CN207852852 U CN 207852852U
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- China
- Prior art keywords
- power battery
- expansion tank
- mounting structure
- shell
- battery expansion
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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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Abstract
The utility model discloses a kind of power battery expansion tank and electric vehicles, and the wherein expansion tank includes shell, pressure valve and liquid level detection device；Wherein, it is provided with inlet and outlet on shell, mounting structure is provided in shell；Pressure valve is arranged in the top of shell；Liquid level detection device includes test section and float, and test section coordinates with mounting structure, is provided with magnet ring on float, float is slidably connected with mounting structure.Power battery expansion tank provided by the utility model and electric vehicle realize the cooling to electrokinetic cell system by inputting coolant liquid, improve the performance of power battery, by the way that liquid level detection device is arranged, realize the monitoring to coolant liquid and leak detection.
Description
Technical field
The utility model is related to automobile power cell technical field more particularly to a kind of power battery expansion tanks and electronic
Automobile.
Background technology
With the continuous consumption of the energy, greenhouse effects and atmosphere polluting problem are increasingly serious, in this background, electronic vapour
Vehicle researches and develops the important trend for having become Global Auto enterprise development.
With the development of electric vehicle, requirement of the electric vehicle to battery performance is further promoted.With high-energy density
The development of power battery, battery heat production problem is more prominent, therefore there is an urgent need to develop a kind of liquid cooling systems to solve battery heat production
Problem.
Utility model content
The purpose of this utility model is to provide a kind of power battery expansion tank and electric vehicle, to solve above-mentioned existing skill
The problems in art, realization feed power battery coolant liquid, are monitored and leak detection.
The utility model provides a kind of power battery expansion tank, wherein including：
Shell is provided with inlet and outlet on the shell, mounting structure is provided in the shell；
Pressure valve, the pressure valve are arranged in the top of the shell；
Liquid level detection device, the liquid level detection device include test section and float, and the test section is tied with the installation
Structure coordinates；Magnet ring is provided on the float, the float is slidably connected with the mounting structure.
Power battery expansion tank as described above, wherein preferably, the end set of the mounting structure has limit
Structure.
Power battery expansion tank as described above, wherein preferably, the position limiting structure is limiting plate, the limit
Position plate is bolted to connection with the mounting structure.
Power battery expansion tank as described above, wherein preferably, the shell includes upper shell and lower housing,
The upper shell is fixedly connected with the lower housing, and the pressure valve is arranged on the upper shell, the mounting structure setting
In the lower housing.
Power battery expansion tank as described above, wherein preferably, welded between the upper shell and the lower housing
Connect fixation.
Power battery expansion tank as described above, wherein preferably, reinforcing rib is provided in the lower housing.
Power battery expansion tank as described above, wherein preferably, hole is provided in the mounting structure, it is described
Test section is extend into the hole, and the float slides are set on the mounting structure.
The utility model additionally provides a kind of electric vehicle, including entire car controller, wherein the electric vehicle further includes
Power battery expansion tank provided by the utility model, liquid level detection device in the power battery expansion tank with it is described whole
Vehicle controller signal connects.
Power battery expansion tank provided by the utility model and electric vehicle are realized by inputting coolant liquid to power
The cooling of battery system improves the performance of power battery, by the way that liquid level detection device is arranged, realizes the monitoring to coolant liquid
And leak detection.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural schematic diagram for the power battery expansion tank that the utility model embodiment provides；
Fig. 2 is the explosive view for the power battery expansion tank that the utility model embodiment provides；
Fig. 3 is the structural schematic diagram of lower housing；
Fig. 4 is the structural schematic diagram of liquid level detection device.
Reference sign：
100- upper shell 200- lower housing 210- water inlets
220- water outlet 230- mounting structure 240- position limiting structures
250- reinforcing rib 300- pressure valve 400- liquid level detection devices
410- test section 420- floats
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and cannot be construed to the utility model
Limitation.
Referring to Fig. 1 to Fig. 4, the utility model embodiment provides a kind of power battery expansion tank comprising
Shell, pressure valve 300 and liquid level detection device 400；Wherein, water inlet 210 and water outlet 220 are provided on shell, in shell
It is provided with mounting structure 230；Pressure valve 300 is arranged in the top of shell；Liquid level detection device 400 includes test section 410 and floats
Son 420, test section 410 coordinate with mounting structure 230, and magnet ring is provided on float 420, and float 420 is slided with mounting structure 230
Connection.
Wherein, when the expansion tank internal pressure is more than certain numerical value, pressure valve 300 can automatically open carry out pressure release,
To protect expansion tank and each parts.Due to being equipped with coolant liquid in expansion tank, float 420 can float in coolant liquid,
It is provided with magnet ring on float 420, when float 420 is floated up and down by the variation of the amount of coolant liquid, test section 410 passes through
Magnet ring generates on-off signal, and the on-off signal is sent to the entire car controller (VCU) in electric vehicle, which can
To reflect the amount of coolant liquid in expansion tank, to realize the monitoring to coolant liquid, in addition, the change of the amount by monitoring coolant liquid
Change speed, can reflect the problem of coolant liquid is with the presence or absence of leakage, if the amount of coolant liquid reduces excessive velocities, coolant liquid
There are leakages.
Further, with reference to Fig. 2 and Fig. 3, the end of mounting structure 230 can be provided with position limiting structure 240, with prevent because
Coolant liquid is excessive and float 420 is caused to be detached from mounting structure 230.
Specifically, position limiting structure 240 can be limiting plate, which can be bolted with mounting structure 230
Connection so as to which first float 420 is installed on mounting structure 230, then installs limiting plate to be limited, ease of assembly.
As shown in Figure 1 to Figure 3, specifically, shell can be integrally formed structures, but for the ease of liquid level in shell
The installation of the parts such as detection device 400, shell may include upper shell 100 and lower housing 200, upper shell 100 and lower housing
200 are fixedly connected, and pressure valve 300 is arranged on upper shell 100, and mounting structure 230 is arranged in lower housing 200.
Wherein it is possible to understand, can be fixedly connected in several ways between upper shell 100 and lower housing 200, than
It is such as bolted, however, to ensure that the leakproofness of the expansion tank, coolant liquid is avoided to leak or the problems such as pressure leakage,
In the present embodiment, it is fixedly connected by welding between upper shell 100 and lower housing 200.
As shown in figure 3, in order to enhance the structural strength of expansion tank, reinforcing rib 250 can be provided in lower housing 200.
Specifically, as shown in Fig. 2, can be provided with hole in mounting structure 230, test section 410 is extend into the hole, float
420 are slidably located on mounting structure 230, so as to facilitate installation, while can be by mounting structure 230 to test section
410 are protected.
The utility model embodiment additionally provides a kind of electric vehicle, including entire car controller (VCU), and the electric vehicle is also
The power battery expansion tank of the utility model any embodiment offer, the level sensing in the power battery expansion tank are provided
Device 400 is connect with VCU signals.
The power battery expansion tank and electric vehicle that the utility model embodiment provides are realized by inputting coolant liquid
Cooling to electrokinetic cell system improves the performance of power battery, by the way that liquid level detection device is arranged, realizes to coolant liquid
Monitoring and leak detection.
The structure, feature and effect of the utility model are described in detail based on the embodiments shown in the drawings, with
Upper described is only the preferred embodiment of the utility model, but the utility model is to limit practical range shown in drawing, it is every according to
Change made by conception according to the utility model, or be revised as the equivalent embodiment of equivalent variations, still without departing from specification and figure
When showing covered spirit, it should be within the protection scope of the present utility model.
Claims (8)
1. a kind of power battery expansion tank, which is characterized in that including：
Shell is provided with inlet and outlet on the shell, mounting structure is provided in the shell；
Pressure valve, the pressure valve are arranged in the top of the shell；
Liquid level detection device, the liquid level detection device include test section and float, and the test section is matched with the mounting structure
It closes；Magnet ring is provided on the float, the float is slidably connected with the mounting structure.
2. power battery expansion tank according to claim 1, which is characterized in that the end set of the mounting structure has
Position limiting structure.
3. power battery expansion tank according to claim 2, which is characterized in that the position limiting structure is limiting plate, institute
Limiting plate is stated to be bolted to connection with the mounting structure.
4. power battery expansion tank according to claim 3, which is characterized in that the shell includes upper shell and lower casing
Body, the upper shell are fixedly connected with the lower housing, and the pressure valve is arranged on the upper shell, and the mounting structure is set
It sets in the lower housing.
5. power battery expansion tank according to claim 4, which is characterized in that the upper shell and the lower housing it
Between be welded and fixed.
6. power battery expansion tank according to claim 5, which is characterized in that be provided with reinforcement in the lower housing
Muscle.
7. power battery expansion tank according to claim 6, which is characterized in that it is provided with hole in the mounting structure,
The test section is extend into the hole, and the float slides are set on the mounting structure.
8. a kind of electric vehicle, including entire car controller, which is characterized in that the electric vehicle further includes that claim 1-7 appoints
Power battery expansion tank described in one, the liquid level detection device in the power battery expansion tank and the full-vehicle control
Device signal connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820314005.5U CN207852852U (en) | 2018-03-07 | 2018-03-07 | Power battery expansion tank and electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820314005.5U CN207852852U (en) | 2018-03-07 | 2018-03-07 | Power battery expansion tank and electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207852852U true CN207852852U (en) | 2018-09-11 |
Family
ID=63409195
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820314005.5U Active CN207852852U (en) | 2018-03-07 | 2018-03-07 | Power battery expansion tank and electric vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207852852U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211494A (en) * | 2018-11-01 | 2019-01-15 | 华霆（合肥）动力技术有限公司 | Leak detecting device and method |
-
2018
- 2018-03-07 CN CN201820314005.5U patent/CN207852852U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109211494A (en) * | 2018-11-01 | 2019-01-15 | 华霆（合肥）动力技术有限公司 | Leak detecting device and method |
| CN109211494B (en) * | 2018-11-01 | 2020-05-26 | 华霆（合肥）动力技术有限公司 | Leak detection device and method |
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