CN206496894U - A kind of battery pressure limiting cover plate explosion-proof valve air pressure test system - Google Patents
A kind of battery pressure limiting cover plate explosion-proof valve air pressure test system Download PDFInfo
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- CN206496894U CN206496894U CN201720015328.XU CN201720015328U CN206496894U CN 206496894 U CN206496894 U CN 206496894U CN 201720015328 U CN201720015328 U CN 201720015328U CN 206496894 U CN206496894 U CN 206496894U
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- explosion
- proof valve
- pressure
- cover plate
- limiting cover
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Abstract
A kind of battery pressure limiting cover plate explosion-proof valve air pressure test system, belong to cell safety test device field, pressure limiting cover plate including bearing and provided with explosion-proof valve and liquid injection hole, pressure limiting cover plate is fixed on bearing by the connecting plate of left and right, bearing is provided with the explosion-proof valve notch just to explosion-proof valve, explosion-proof valve notch lower end is connected with pressure gauge, pressure-regulating valve and intake valve, tracheae end connection compressed air in turn by tracheae.Open intake valve, and pressure-regulating valve is adjusted, observation gage pressure knows test pressure value, and gases at high pressure enter air inlet, make the explosion-proof valve uniform force above explosion-proof valve notch, real work scene is simulated, pressure value when being ruptured to explosion-proof valve is tested test, system architecture is simple, cost is low, air pressure test effectively can be carried out to pressure limiting cover plate explosion-proof valve, it is ensured that the stable validity of explosion-proof valve, it is ensured that the security reliability in battery use.
Description
Technical field
The utility model belongs to cell safety test device field, specifically a kind of battery pressure limiting cover plate explosion-proof valve gas
Press test system.
Background technology
At present, pressure limiting cover plate incoming inspection flow is broadly divided into explosion-proof valve size measuring, air pressure two big steps of test.Its
In, explosion-proof valve air pressure performance is one critically important of step of an influence battery core security performance.
The explosion-proof valve of explosion-proof valve air pressure performance test pressure limiting cover plate reaches after the air pressure of requirement that explosion-proof valve is broken through, protection
Excessive air pressure is not resulted in inside battery core.Battery pack is in use, it is possible to occur overcharging, the phenomenon of short circuit produces peace
Full hidden danger, so measuring air pressure performance will be carried out to pressure limiting cover plate by entering in factory's detection.Existing pressure limiting cover plate air pressure test system
There is no corresponding device, it is impossible to meet the pressure limiting cover plate air pressure performance test requirement into factory.
Utility model content
Without cubing during to solve now to examine battery pressure limiting cover plate explosion-proof valve, it is impossible to meet showing for battery detecting security
Shape, the utility model provides a kind of battery pressure limiting cover plate explosion-proof valve air pressure test system.
The utility model is realized by following technical proposals.
A kind of battery pressure limiting cover plate explosion-proof valve air pressure test system, including bearing and the pressure limiting provided with explosion-proof valve and liquid injection hole
Cover plate, it is characterized in that, pressure limiting cover plate is fixed on bearing by the connecting plate of left and right, and bearing is provided with just to the explosion-proof of explosion-proof valve
Valve pool mouthful, explosion-proof valve notch lower end is connected with pressure gauge, pressure-regulating valve and intake valve, the connection of tracheae end in turn by tracheae
Compressed air.
Described battery pressure limiting cover plate explosion-proof valve air pressure test system, wherein, lower silica gel is provided between pressure limiting cover plate and bearing
Pad, is provided with upper silicagel pad between connecting plate.
Described battery pressure limiting cover plate explosion-proof valve air pressure test system, wherein, explosion-proof valve notch bottom is evenly equipped with least three
Air inlet.
Described battery pressure limiting cover plate explosion-proof valve air pressure test system, wherein, explosion-proof valve notch opening size is more than explosion-proof
Valve size.
Described battery pressure limiting cover plate explosion-proof valve air pressure test system, wherein, bearing is aluminum alloy material.
The beneficial effects of the utility model are：1st, simple in construction, cost is low, effectively can enter promoting the circulation of qi to pressure limiting cover plate explosion-proof valve
Pressure test, it is ensured that the stable validity of explosion-proof valve, it is ensured that the security that battery is used；2nd, bearing uses aluminum alloy materials, cost
It is low, it is easy to process, the intensity requirement of air pressure test can be met；3rd, silicagel pad has certain tension force and pliability, energy in itself up and down
Enough it is brought into close contact pressure limiting cover plate and bearing, it is ensured that the seal of detection and the accuracy of testing result；4th, using at least three air inlet
Mouthful, make the explosion-proof valve weld uniform force of pressure limiting cover plate, simulate true use environment；5th, adjusted and pressed by pressure-regulating valve
Power, it is adaptable to different pressures, the test of different size.
Brief description of the drawings
Fig. 1 is system structure diagram of the present utility model.
Fig. 2 is bearing schematic top plan view of the present utility model.
Fig. 3 is that pressure limiting cover plate of the present utility model fixes enlarged diagram.
In accompanying drawing：1st, bearing, 2, pressure limiting cover plate, 3, connecting plate, 4, explosion-proof valve, 5, liquid injection hole, 6, lower silicagel pad, 7, upper silicon
Rubber cushion, 8, explosion-proof valve notch, 9, pressure gauge, 10, pressure-regulating valve, 11, intake valve.
Embodiment
Embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
As shown in drawings, a kind of battery pressure limiting cover plate explosion-proof valve air pressure test system, including two connecting plates 3, aluminium alloys
Material bearing 1 and the pressure limiting cover plate 2 provided with explosion-proof valve 4 and liquid injection hole 5, when the system is installed, the connecting plate 3 of left and right is pressure limiting
The two ends of cover plate 2 are fixed on bearing 1, and lower silicagel pad 6 is provided between pressure limiting cover plate 2 and bearing 1, and upper silicon is provided between connecting plate 3
Rubber cushion 7.Explosion-proof valve notch 8 on bearing 1 is just to explosion-proof valve 4, and size is more than the size of explosion-proof valve 4, the lower end of explosion-proof valve notch 8
It is connected with by 3 air inlets on tracheae, tracheae and is sequentially connected pressure gauge 9, pressure-regulating valve 10 and intake valve 11, tracheae end
Connect compressed air.
The utility model when in use, opens intake valve 11, and adjusts pressure-regulating valve 10, and observation gage pressure is known
Test pressure value, by endotracheal gas pressure, gases at high pressure enter 3 air inlets, make the explosion-proof of the top of explosion-proof valve notch 8
The uniform force of valve 4, simulates real work scene, and pressure value when being ruptured to explosion-proof valve 4 is tested, if this pressure value is in regulation
It is in pressure, then qualified；If more than or less than authorized pressure, illustrating that explosion-proof valve 4 installs unqualified.When more than authorized pressure,
Even if in real battery in use, when inside battery air pressure can be caused very big, explosion-proof valve will not also rupture, it is possible to occur
Fill, short circuit phenomenon, produce potential safety hazard；When less than authorized pressure, in real battery in use, when battery is upon filling
Electricity, it is actual that explosion-proof valve just ruptures, and explosion-proof valve ruptures in advance, causes unnecessary safety precautions in safe range,
For explosion-proof valve be set to make an unnecessary move.
This battery pressure limiting cover plate explosion-proof valve air pressure test system, simple in construction, low cost, operation is easy, for pressure limiting lid
The explosion-proof valve position of plate is connected sealing by force, can guarantee that the real effectiveness of test, can efficiently accomplish battery pressure limiting cover plate
The test of air pressure performance, can effectively ensure the security that battery is used.
Claims (5)
1. a kind of battery pressure limiting cover plate explosion-proof valve air pressure test system, including bearing（1）With provided with explosion-proof valve（4）And liquid injection hole
（5）Pressure limiting cover plate（2）, it is characterized in that, pressure limiting cover plate（2）Pass through the connecting plate of left and right（3）It is fixed on bearing（1）On, bearing
（1）It is provided with just to explosion-proof valve（4）Explosion-proof valve notch（8）, explosion-proof valve notch（8）Lower end is connected with pressure in turn by tracheae
Table（9）, pressure-regulating valve（10）And intake valve（11）, tracheae end connection compressed air.
2. battery pressure limiting cover plate explosion-proof valve air pressure test system according to claim 1, it is characterized in that, described pressure limiting lid
Plate（2）With bearing（1）Between be provided with lower silicagel pad（6）, with connecting plate（3）Between be provided with upper silicagel pad（7）.
3. battery pressure limiting cover plate explosion-proof valve air pressure test system according to claim 1, it is characterized in that, the explosion-proof valve pool
Mouthful（8）Bottom is evenly equipped with least three air inlet.
4. battery pressure limiting cover plate explosion-proof valve air pressure test system according to claim 1, it is characterized in that, described explosion-proof valve
Notch（8）Opening size is more than explosion-proof valve（4）Size.
5. battery pressure limiting cover plate explosion-proof valve air pressure test system according to claim 1, it is characterized in that, described bearing
（1）For aluminum alloy material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720015328.XU CN206496894U (en) | 2017-01-06 | 2017-01-06 | A kind of battery pressure limiting cover plate explosion-proof valve air pressure test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720015328.XU CN206496894U (en) | 2017-01-06 | 2017-01-06 | A kind of battery pressure limiting cover plate explosion-proof valve air pressure test system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206496894U true CN206496894U (en) | 2017-09-15 |
Family
ID=59803135
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720015328.XU Active CN206496894U (en) | 2017-01-06 | 2017-01-06 | A kind of battery pressure limiting cover plate explosion-proof valve air pressure test system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206496894U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532728A (en) * | 2021-07-08 | 2021-10-22 | 广州小鹏智慧充电科技有限公司 | Method and device for determining valve opening pressure value of explosion-proof valve in battery pack |
| CN113532842A (en) * | 2021-06-28 | 2021-10-22 | 合肥国轩高科动力能源有限公司 | Method for testing pressure-resistant service life of explosion-proof valve for lithium battery |
-
2017
- 2017-01-06 CN CN201720015328.XU patent/CN206496894U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113532842A (en) * | 2021-06-28 | 2021-10-22 | 合肥国轩高科动力能源有限公司 | Method for testing pressure-resistant service life of explosion-proof valve for lithium battery |
| CN113532728A (en) * | 2021-07-08 | 2021-10-22 | 广州小鹏智慧充电科技有限公司 | Method and device for determining valve opening pressure value of explosion-proof valve in battery pack |
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