CN208476689U - A kind of cover plate of power battery pressure-detecting device - Google Patents
A kind of cover plate of power battery pressure-detecting device Download PDFInfo
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- CN208476689U CN208476689U CN201821022331.5U CN201821022331U CN208476689U CN 208476689 U CN208476689 U CN 208476689U CN 201821022331 U CN201821022331 U CN 201821022331U CN 208476689 U CN208476689 U CN 208476689U
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- pressure
- power battery
- battery
- detecting device
- cover plate
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Abstract
The utility model provides a kind of cover plate of power battery pressure-detecting device applied to power battery performance test technical field of auxiliary equipment, limit plate (4) are arranged in device pedestal (3) side of the cover plate of power battery pressure-detecting device, support plate (5) are arranged in device pedestal (3) other side, it is screwed in the swivel nut (6) being screwed in support plate (5) and suppresses component (7), suppress gas nozzle (8) suppressed on component (7) are connected to by pressed gas delivery hose with pressure gas source, cover plate of power battery pressure-detecting device described in the utility model, structure is simple, it is capable of the battery cover board air-tightness of convenient and efficient completion power battery, the eversion pressure of roll-over valve and the burst pressure of rupture pressure disc, effectively confirmation power battery performance, and the battery cover board for being suitable for different model size power battery detects, it reduces Detection device input cost improves detection convenience.
Description
Technical field
The utility model belongs to power battery performance test technical field of auxiliary equipment, is to be related to one kind more specifically
Cover plate of power battery pressure-detecting device.
Background technique
With greatly developing for lithium ion battery, corresponding upstream spare and accessory parts manufacturing enterprise is increasing, battery production enterprise
Industry increasingly increases the range of choice of spare and accessory parts.Battery cover board is the very important nonpolar part of one of lithium ion battery,
It is connected in such a way that laser is fully welded with battery aluminum shell, a closed cavity is formed, thus by the other compositions of battery
It is partially encapsulated in it.For security consideration, the intracorporal pressure of chamber needs to control in a certain range, therefore in electricity
Many safety structures are integrated on the cover board of pond, such as roll-over valve and rupture pressure disc；The roll-over valve can be in cell internal pressure accident
Raised automatic turning rear to a certain extent returns electric current under the effect of great short circuit current to cause battery short circuit
Road carries out fusing to avoid cell pressure from further increasing, if roll-over valve dead battery internal pressure kept increases, rupture pressure disc
It can burst prior to battery case, removal cell internal pressure avoids exploding；Seen from the above description, the overturning on battery cover board
The eversion pressure of valve and the burst pressure of rupture pressure disc are most important for the safety Design of battery, and battery production enterprise uses
Battery cover board the eversion pressure of roll-over valve and the burst pressure of rupture pressure disc whether accurately say the peace for directly affecting battery product
Quan Xing；However, there is no in the prior art effectively and the easy above two pressure of means detection.
Utility model content
The technical problem to be solved by the utility model is in view of the deficiencies of the prior art, it is simple to provide a kind of structure, behaviour
Make simplicity, is capable of the quick-fried of the convenient and efficient battery cover board air-tightness for completing power battery, the eversion pressure of roll-over valve and rupture pressure disc
Split pressure effectively confirms power battery performance, and the battery cover board that can be suitable for different model size power battery detects,
Detection device input cost is reduced, the cover plate of power battery pressure-detecting device of detection convenience is improved.
Solve the problems, such as techniques discussed above, the technical solution that the utility model is taken are as follows:
The utility model be a kind of cover plate of power battery pressure-detecting device, the power battery include battery aluminum shell,
Battery cover board, battery cover board and battery aluminum shell are welded to connect, and the cover plate of power battery pressure-detecting device includes device bottom
Limit plate is arranged in seat, device pedestal side, and the device pedestal other side is arranged support plate, is screwed swivel nut, swivel nut inner sleeve in support plate
Dress suppresses component, and the setting on component of suppressing suppresses gas nozzle, suppresses gas nozzle and pass through pressed gas delivery hose and pressure gas
Source is connected to, and pressure gauge is arranged on pressed gas delivery hose.
The cover plate of power battery pressure-detecting device further includes aluminum hull fixture, and aluminum hull fixture includes fixture cover and folder
Have lower seat, is formed between seat under fixture cover and fixture and clamp cavity, battery aluminum shell is configured to be clamped in and clamp in cavity
Structure.
The component of suppressing includes axle portion and shaft shoulder portion, and axle portion passes through swivel nut, and threaded hole is arranged in shaft shoulder portion side,
The air inflation nozzle of shaft shoulder end surface setting protrusion, threaded hole are connected to air inflation nozzle by stomata, and threaded hole passes through gas-tpe fitting and pressure
The connection of power gas delivery hose.
Connecting screw hole is set on the device pedestal, upper through-hole is set in fixture cover, setting is lower logical on seat under fixture
Hole, each positioning bolt passes through a upper through-hole and a lower through-hole is connect with a connecting screw hole.
The limit plate and support plate is vertically set on device pedestal, and swivel nut is horizontal through the screw thread in support plate
Adjustment hole, swivel nut are configured to the structure rotated horizontally relative to threaded adjusting bore.
When the aluminum hull fixture is fixed on the device pedestal position between limit plate and support plate, battery cover board is set as
Structure close to support plate side, the air inflation nozzle for suppressing component are configured to the knot of the fluid injection hole site on alignment battery cover board
Structure.
Air pressure regulator is also set up on the pressed gas delivery hose.
Using the technical solution of the utility model, can obtain it is below the utility model has the advantages that
Cover plate of power battery pressure-detecting device described in the utility model needs the battery cover board pressure to power battery
When performance is detected, battery case is placed between limit plate and support plate on the device pedestal of position, battery cover board is made
It is close to support plate side.Then mobile battery aluminum hull, so that suppressing the liquid injection hole on gas nozzle alignment battery cover board, then turn spiral shell
Set, drive suppress component to close battery cover board direction movement, until suppressing in gas nozzle alignment insertion liquid injection hole and pushing against.Then
Pressure gas source, injection pressure gas are opened, and adjusts pressure size, when pressure is more than setting pressure, turning on battery cover board
Rotary valve overturning, rupture pressure disc explosion, actual pressure when actual pressure numerical value and rupture pressure disc when recording roll-over valve overturning burst
Numerical value, and actual pressure numerical value and the normal pressure numberical range of design are compared, within normal pressure numberical range, show
Battery cover board pressure meets the requirements, and no longer within normal pressure numberical range, shows that battery cover board pressure is undesirable.This
Sample, being capable of convenient and reliable completion battery cover board pressure detection.Above structure, pressure gauge are used for real-time display actual pressure,
Cover plate of power battery pressure-detecting device described in the utility model, structure is simple, easy to operate, convenient and efficient can complete dynamic
The burst pressure of the battery cover board air-tightness of power battery, the eversion pressure of roll-over valve and rupture pressure disc effectively confirms power battery
Can, and the battery cover board that can be suitable for different model size power battery detects, and reduces detection device input cost, improves
Detect convenience.
Detailed description of the invention
Brief description is made to content expressed by each attached drawing of this specification and the label in figure below:
Fig. 1 is that cover plate of power battery pressure-detecting device described in the utility model carries out cover plate of power battery pressure detecting
When overall structure diagram；
Fig. 2 is the side structure schematic view of cover plate of power battery pressure-detecting device described in the utility model；
Fig. 3 is the schematic cross-sectional view in the face A-A of cover plate of power battery pressure-detecting device described in Fig. 2；
Fig. 4 is the structural schematic diagram of the aluminum hull fixture of cover plate of power battery pressure-detecting device described in the utility model；
Fig. 5 is the sectional structure signal for suppressing component of cover plate of power battery pressure-detecting device described in the utility model
Figure；
Attached drawing acceptance of the bid note is respectively as follows: 1, battery aluminum shell；2, battery cover board；3, device pedestal；4, limit plate；5, support plate；
6, swivel nut；7, component is suppressed；8, gas nozzle is suppressed；9, aluminum hull fixture；10, fixture cover；11, seat under fixture；12, cavity is clamped；
13, axle portion；14, shaft shoulder portion；15, threaded hole；16, air inflation nozzle；17, gas-tpe fitting；18, connecting screw hole；19, upper through-hole；20,
Lower through-hole；21, positioning bolt；22, threaded adjusting bore；23, liquid injection hole；24, stomata.
Specific embodiment
Below against attached drawing, by the description of the embodiment, such as related to specific embodiment of the present utility model
The shape of each component, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle etc. make into
The detailed description of one step:
As shown in attached drawing 1- attached drawing 5, the utility model is a kind of cover plate of power battery pressure-detecting device, the power
Battery includes battery aluminum shell 1, battery cover board 2, and battery cover board 2 and battery aluminum shell 1 are welded to connect, the cover plate of power battery pressure
Force checking device includes device pedestal 3, and limit plate 4 is arranged in 3 side of device pedestal, and support plate 5 is arranged in 3 other side of device pedestal,
Swivel nut 6 is screwed in support plate 5, suit is suppressed component 7 (coaxial package) in swivel nut 6, and gas is suppressed in the setting on component 7 of suppressing
Mouth 8 is suppressed gas nozzle 8 and is connected to by pressed gas delivery hose with pressure gas source, pressure gauge is arranged on pressed gas delivery hose.
Above structure, when needing to detect the battery cover board pressure of power battery, by battery case be placed on limit plate and
Between support plate on the device pedestal of position, battery cover board is made to be close to support plate side.Then mobile battery aluminum hull, so that suppressing
Gas nozzle is directed at the liquid injection hole on battery cover board, then turn swivel nut, and drive is suppressed component and moved to close to battery cover board direction, until
It suppresses in gas nozzle alignment insertion liquid injection hole and pushes against.Then pressure gas source, injection pressure gas are opened, and adjusts pressure size,
When pressure is more than setting pressure, the roll-over valve on battery cover board is overturn, and reality when roll-over valve overturning is recorded in rupture pressure disc explosion
Actual pressure numerical value when border pressure value and rupture pressure disc burst, and by the normal pressure numerical value model of actual pressure numerical value and design
Enclose comparison, within normal pressure numberical range, show that battery cover board pressure meets the requirements, no longer normal pressure numberical range it
It is interior, show that battery cover board pressure is undesirable.In such manner, it is possible to convenient and reliable completion battery cover board pressure detection.It is above-mentioned
Structure, pressure gauge are used for real-time display actual pressure, cover plate of power battery pressure-detecting device described in the utility model, structure
Simply, easy to operate, it is capable of and convenient and efficient completes the battery cover board air-tightness of power battery, the eversion pressure of roll-over valve and explosion-proof
The burst pressure of film effectively confirms power battery performance, and can be suitable for the battery cover of different model size power battery
Plate detection, reduces detection device input cost, improves detection convenience.
The cover plate of power battery pressure-detecting device further includes aluminum hull fixture 9, and aluminum hull fixture 9 includes fixture cover 10
It with seat 11 under fixture, is formed between seat 11 under fixture cover 10 and fixture and clamps cavity 12, battery aluminum shell 1 is configured to clamp
Clamping the structure in cavity 12.Above structure, battery aluminum shell of the aluminum hull fixture for the power battery to be tested that is fixedly clamped.
After aluminum hull and battery cover board are linked to be a shell in such a way that laser is fully welded, aluminum hull is then passed through into fixture cover 10 and folder
Have lower 11 clamping of seat in aluminum hull fixture, then aluminum hull fixture is fixed on device pedestal, in this way, input gas is detected
When, battery aluminum shell will not play.
The component 7 of suppressing includes axle portion 13 and shaft shoulder portion 14, and axle portion 13 passes through swivel nut 6,14 side of shaft shoulder portion
Threaded hole 15, the air inflation nozzle 16 of 14 end face of shaft shoulder portion setting protrusion are set, and threaded hole 15 is connected with air inflation nozzle 16 by stomata 24
Logical, threaded hole 15 is connect by gas-tpe fitting 17 with pressed gas delivery hose.Above structure, swivel nut can be relative to support portions
Horizontal turn, thus drive suppress component to close to battery to be detected battery cover board direction close to or far from.And suppress component
Air inflation nozzle be inserted into the liquid injection hole on battery cover board, realization fits closely, and can reliably carry out pressed gas conveying, full
Sufficient performance detection requirement.
Connecting screw hole 18 is set on the device pedestal 3, upper through-hole 19 is set in fixture cover 10, under fixture on seat 11
Lower through-hole 20 is set, and each positioning bolt 21 passes through a upper through-hole 19 and a lower through-hole 20 and a connecting screw hole 18 connects
It connects.Above structure, can when realize being fixedly connected for aluminum hull fixture and device pedestal, it is ensured that detection process is reliable and stable.
The limit plate 4 and support plate 5 is vertically set on device pedestal 3, and swivel nut 6 is horizontal through in support plate 5
Threaded adjusting bore 22, swivel nut 6 be configured to relative to threaded adjusting bore 22 rotate horizontally structure.Above structure passes through
Turn swivel nut, thus it is possible to vary suppress component locations, realization moves horizontally, and can satisfy different size model number battery detectings.
When the aluminum hull fixture 9 is fixed on 3 position of device pedestal between limit plate 4 and support plate 5, battery cover board 2
It is disposed proximate to the structure of 5 side of support plate, the air inflation nozzle 16 for suppressing component 7 is configured to the note being aligned on battery cover board 2
The structure of 23 position of fluid apertures.
Air pressure regulator is also set up on the pressed gas delivery hose.Above structure, air pressure regulator are adjustable
Pressure size, the pressure for adjusting the pressure gas source being connected to stomata are gradually increasing pressure, and when reaching certain pressure, roll-over valve is turned over
Turn, rupture pressure disc explosion re-records data.
Illustrative description is carried out to the utility model above in conjunction with attached drawing, it is clear that the utility model concrete implementation is simultaneously
It is not limited by aforesaid way, if the method concept of the utility model and the various improvement of technical solution progress are used, or
It is not improved that the conception and technical scheme of the utility model are directly applied into other occasions, in the protection of the utility model
In range.
Claims (7)
1. a kind of cover plate of power battery pressure-detecting device, the power battery includes battery aluminum shell (1), battery cover board (2),
Battery cover board (2) and battery aluminum shell (1) are welded to connect, it is characterised in that: the cover plate of power battery pressure-detecting device packet
It includes device pedestal (3), limit plate (4) are arranged in device pedestal (3) side, and support plate (5) are arranged in device pedestal (3) other side, branch
It is screwed on fagging (5) swivel nut (6), suit suppresses component (7) in swivel nut (6), suppresses setting on component (7) and suppresses gas nozzle (8), institute
Suppress gas nozzle (8) stated are connected to by pressed gas delivery hose with pressure gas source, and pressure is arranged on pressed gas delivery hose
Table.
2. cover plate of power battery pressure-detecting device according to claim 1, it is characterised in that: the power battery cover
Plate pressure-detecting device further includes aluminum hull fixture (9), and aluminum hull fixture (9) includes seat (11) under fixture cover (10) and fixture, folder
Have to be formed between seat (11) under upper cover (10) and fixture and clamp cavity (12), battery aluminum shell (1) is configured to be clamped in clamping
Structure in cavity (12).
3. cover plate of power battery pressure-detecting device according to claim 1 or 2, it is characterised in that: described suppresses portion
Part (7) includes axle portion (13) and shaft shoulder portion (14), and axle portion (13) passes through swivel nut (6), and screw thread is arranged in shaft shoulder portion (14) side
Hole (15), the air inflation nozzle (16) of shaft shoulder portion (14) end face setting protrusion, threaded hole (15) and air inflation nozzle (16) pass through stomata (24)
Connection, threaded hole (15) are connect by gas-tpe fitting (17) with pressed gas delivery hose.
4. cover plate of power battery pressure-detecting device according to claim 2, it is characterised in that: the device pedestal
(3) connecting screw hole (18) are set on, are arranged in fixture cover (10) upper through-hole (19), lower through-hole is set on seat (11) under fixture
(20), each positioning bolt (21) passes through one upper through-hole (19) and a lower through-hole (20) and connects with a connecting screw hole (18)
It connects.
5. cover plate of power battery pressure-detecting device according to claim 1 or 2, it is characterised in that: the limit plate
(4) it is vertically set on device pedestal (3) with support plate (5), swivel nut (6) is adjusted horizontal through the screw thread on support plate (5)
Hole (22), swivel nut (6) are configured to the structure rotated horizontally relative to threaded adjusting bore (22).
6. cover plate of power battery pressure-detecting device according to claim 2, it is characterised in that: the aluminum hull fixture
(9) when device pedestal (3) position being fixed between limit plate (4) and support plate (5), battery cover board (2) is disposed proximate to prop up
The structure of fagging (5) side, the air inflation nozzle (16) for suppressing component (7) are configured to the liquid injection hole being aligned on battery cover board (2)
(23) structure of position.
7. cover plate of power battery pressure-detecting device according to claim 1 or 2, it is characterised in that: the pressure gas
Air pressure regulator is also set up on body delivery hose.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821022331.5U CN208476689U (en) | 2018-06-29 | 2018-06-29 | A kind of cover plate of power battery pressure-detecting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821022331.5U CN208476689U (en) | 2018-06-29 | 2018-06-29 | A kind of cover plate of power battery pressure-detecting device |
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| Publication Number | Publication Date |
|---|---|
| CN208476689U true CN208476689U (en) | 2019-02-05 |
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ID=65212131
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821022331.5U Active CN208476689U (en) | 2018-06-29 | 2018-06-29 | A kind of cover plate of power battery pressure-detecting device |
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| CN (1) | CN208476689U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543941A (en) * | 2017-07-04 | 2018-01-05 | 合肥力翔电池科技有限责任公司 | One kind detection finished product lithium battery inverse values fixture |
| CN116558737A (en) * | 2023-07-07 | 2023-08-08 | 广汽埃安新能源汽车股份有限公司 | Compatible battery cell withstand voltage testing device and application method thereof |
-
2018
- 2018-06-29 CN CN201821022331.5U patent/CN208476689U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107543941A (en) * | 2017-07-04 | 2018-01-05 | 合肥力翔电池科技有限责任公司 | One kind detection finished product lithium battery inverse values fixture |
| CN107543941B (en) * | 2017-07-04 | 2020-01-07 | 合肥力翔电池科技有限责任公司 | Detect finished product lithium cell anchor clamps for upset value |
| CN116558737A (en) * | 2023-07-07 | 2023-08-08 | 广汽埃安新能源汽车股份有限公司 | Compatible battery cell withstand voltage testing device and application method thereof |
| CN116558737B (en) * | 2023-07-07 | 2023-10-27 | 广汽埃安新能源汽车股份有限公司 | Compatible battery cell withstand voltage testing device and application method thereof |
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