CN109342200A - Pressure-detecting device is carried inside rectangular cell - Google Patents
Pressure-detecting device is carried inside rectangular cell Download PDFInfo
- Publication number
- CN109342200A CN109342200A CN201811310167.2A CN201811310167A CN109342200A CN 109342200 A CN109342200 A CN 109342200A CN 201811310167 A CN201811310167 A CN 201811310167A CN 109342200 A CN109342200 A CN 109342200A
- Authority
- CN
- China
- Prior art keywords
- pressure
- detecting device
- mesuring battary
- rectangular cell
- device inside
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0033—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining damage, crack or wear
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M5/00—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings
- G01M5/0041—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress
- G01M5/005—Investigating the elasticity of structures, e.g. deflection of bridges or air-craft wings by determining deflection or stress by means of external apparatus, e.g. test benches or portable test systems
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/003—Generation of the force
- G01N2203/0042—Pneumatic or hydraulic means
- G01N2203/0044—Pneumatic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/006—Crack, flaws, fracture or rupture
- G01N2203/0067—Fracture or rupture
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/06—Indicating or recording means; Sensing means
- G01N2203/067—Parameter measured for estimating the property
- G01N2203/0676—Force, weight, load, energy, speed or acceleration
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Health & Medical Sciences (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses carry pressure-detecting device inside a kind of rectangular cell, including the mesuring battary placement mechanism on the pressure detection mechanism and horizontal base that are separately positioned on vertical frame, mesuring battary placement mechanism is controlled by rodless cylinder to be moved to below the pressure detection mechanism of vertical lower portion, another cylinder control pressure detection mechanism, which moves down, injects a gas into inside battery while compressing mesuring battary, whether monitoring battery case in the case where setting air pressure occurs tearing phenomenon completion detection.Compared with prior art, have the advantage that structure is simple, convenient test is convenient, can conveniently square shaped battery carry out carrying pressure whether He Ge test, and shell facilitates pick-and-place, improve testing efficiency, and ensure that good sealing performance in detection process, increase test result levels of precision, equipment improving cost is lower, it is flexible in application during routine work, improve working efficiency.
Description
Technical field
The present invention relates to lithium ion battery test device field, carrying pressure detecting dress inside especially a kind of rectangular cell
It sets.
Background technique
Lithium ion battery is high as a kind of specific capacity, has extended cycle life, environmental-friendly secondary cell, is widely used in just
The fields such as portable device and electric car.In recent years, being proposed more with the rapid development of electric car to lithium ion battery
High requirement.
Lithium battery is in closed housing body, is worked by the electron exchange of positive and negative pole material；Positive and negative pole material and electricity
Solution liquid, which directly contacts, can occur fierce electron exchange reaction, while generate a large amount of gas, with the increase of amount of gas, electricity
Pond enclosure interior can expand, if shell, which cannot withstand, can occur the security risks such as tearing, explosion.
Therefore also increasingly important to the detection of its inside carrying pressure in the production preparation process of lithium battery, it is existing
It is relatively complicated to there is operation in testing agency, and the problem of being not easily taken out that deform after shell inflation in detection process.
Summary of the invention
Goal of the invention: in order to solve the problems of prior art, the present invention provides hold inside a kind of rectangular cell
Pressure-detecting device is carried, convenient test, detection efficiency is high, guarantees good leakproofness in detection process, it is ensured that detection pressure value
Accuracy.
Technical solution: in order to achieve the above objectives, following technical solution can be used in the present invention: pressure is carried inside rectangular cell
Detection device, the horizontal base including body structure, the horizontal base are equipped at L-shaped with its and vertical with upper cover plate
Frame；The horizontal base upper surface is equipped with mesuring battary placement mechanism, and the mesuring battary placement mechanism is by being located at level
Rodless cylinder control inside base cabinet moves horizontally on separate and close vertical frame direction；The vertical lower portion
Equipped with the pressure detection mechanism worn from upper cover plate；The pressure detection mechanism passes through the cylinder control being arranged in above upper cover plate
It moves up and down in the vertical direction；
Rodless cylinder control mesuring battary placement mechanism is moved to below the pressure detection mechanism of vertical lower portion, cylinder
It pushes, control pressure detection mechanism moves down and injects a gas into inside battery while compressing mesuring battary, and monitoring is being set
Whether battery case occurs tearing phenomenon completion detection under air pressure.
More preferably, the mesuring battary placement mechanism includes the line slide rail of horizontal base upper surface setting and puts
The positioning fixture of mesuring battary is set, the positioning fixture is mobile in line slide rail under the control of rodless cylinder.
Four walls are equipped at least one resilient cell fixation member on the inside of the positioning fixture；It is picked and placed in mesuring battary
During, it on the one hand can be adapted to according to different battery size sizes, there is size after another aspect cell expansion
Variation, resilient cell fixation member can accordingly stretch, and the battery after avoiding expansion is difficult to the phenomenon that taking out.
The vertical frame further includes the back shroud far from mesuring battary placement mechanism；The side plate one and side plate of two sides
Two；
The pressure detection mechanism is from upper cover plate down successively including top board, lower platen and pressure head；The cylinder is worn
It crosses upper cover plate to be fixedly connected with top board, be flexibly connected between the top board and lower platen and is equipped with spring assembly；The pressure
Centriciput is equipped with a through-hole communicated with trailing flank, and the pressure head side is equipped with upright connector；The hole size shape with
Explosion-proof valve size shape is coincide on mesuring battary；
The gas ducting for being connected to pressure head, the gas ducting and upright fittings are equipped on the back shroud.
The cylinder two sides are additionally provided with the guiding axis being fixed on top board across upper cover plate；The guiding role of guiding axis is more
Further increase the degree of precisely aligning of position between pressure head and mesuring battary during cylinder pushes.
The pressure head lower surface cladding is equipped with silica gel material；The setting of silica gel material, enhance pressure head lower surface with it is to be measured
Sealing performance when pressing between battery.
Further, the silica gel material Shore hardness is 30-35 °.
The side plate one is equipped with pressure display unit；The side plate two is equipped with pressure regulator valve；More intuitively to pressure into
Row adjusts and display.
The horizontal base side is additionally provided with the time relay；Detection time can be controlled more accurately.
The horizontal base side is additionally provided with power switch and emergency stop switch；The setting of emergency stop switch enhances the behaviour of device
Make safety coefficient.
The utility model has the advantages that pressure-detecting device is carried inside a kind of rectangular cell disclosed in this invention, with prior art phase
Than having the advantage that structure is simple, convenient test is convenient, conveniently whether can carry out carrying pressure by square shaped battery
Qualified test, and shell facilitates pick-and-place, improves testing efficiency, and ensure that good sealing performance in detection process, increases
Test result levels of precision, equipment improving cost is lower, flexible in application during routine work, improves working efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of carrying pressure-detecting device inside 1 rectangular cell of the embodiment of the present invention, specially to be measured
Battery carries out state when battery taking and placing；
Fig. 2 is shape when the mesuring battary of carrying pressure-detecting device inside 1 rectangular cell of the embodiment of the present invention is tested
State schematic diagram；
Fig. 3 is that the mesuring battary of carrying pressure-detecting device inside 1 rectangular cell of the embodiment of the present invention carries out battery taking and placing
Left direction cross section structure schematic diagram when state；
Fig. 4 is the positioning fixture internal structure signal of carrying pressure-detecting device inside 1 rectangular cell of the embodiment of the present invention
Figure；
Fig. 5 is the pressure head structure schematic diagram of carrying pressure-detecting device inside 1 rectangular cell of the embodiment of the present invention.
Specific embodiment
Embodiment 1:
It please refers to shown in Fig. 1-5, the invention discloses carry pressure-detecting device, including cabinet inside a kind of rectangular cell
The horizontal base 1 of structure, the horizontal base 1 are equipped with the vertical frame 2 at L-shaped with it；
The vertical frame 2 includes upper cover plate 21, the side plate one far from the back shroud 22 of mesuring battary placement mechanism, two sides
23 and side plate 2 24；
1 upper surface of horizontal base is equipped with mesuring battary placement mechanism, and the mesuring battary placement mechanism is by being located at
The control of rodless cylinder 17 of 1 box house of horizontal base moves horizontally on separate and close vertical 2 direction of frame；It is described to be measured
Battery placement mechanism includes the line slide rail 13 of 1 upper surface of horizontal base setting and the positioning fixture for placing mesuring battary 12
11, the positioning fixture 11 is realized on line slide rail 13 under the control of rodless cylinder 17 close to and far from vertical 2 side of frame
Upward movement, to realize the test mode of mesuring battary 12 and pick and place the conversion of state.
11 four walls of inside of positioning fixture are equipped at least one resilient cell fixation member 111；Specifically, two long
Side wall is set there are two resilient cell fixation member 111, and two section side walls are respectively equipped with one, the resilient cell fixation member
111 include the spring being connected with side wall and the contact square that is in contact with 12 surface of mesuring battary；Inside positioning fixture 11
The setting of resilient cell fixation member 111 on the one hand can be according to different battery rulers during mesuring battary is picked and placed
Very little size is adapted to, and size has some variations after another aspect cell expansion, resilient cell fixation member 111 can accordingly into
Row is flexible, and the battery after avoiding expansion is difficult to the phenomenon that taking out.
The pressure detection mechanism worn from upper cover plate 21 is equipped with inside the vertical frame 2；The pressure detection mechanism is logical
The control of cylinder 25 being arranged in above upper cover plate 21 is crossed to move up and down in the vertical direction；
The pressure detection mechanism is from upper cover plate 21 down successively including top board 27, lower platen 28 and pressure head 29；Institute
It states cylinder 25 to be fixedly connected across upper cover plate 21 with top board 27, is flexibly connected and sets between the top board 27 and lower platen 28
There is spring assembly 210；A through-hole 291 communicated with trailing flank is equipped in the middle part of the pressure head 29,29 side of pressure head is equipped with
The upright connector 292 communicated with through-hole 291；Explosion-proof valve size shape is kissed in 291 size shape of through-hole and mesuring battary 12
It closes；
The gas ducting for being connected to pressure head 29, the gas ducting and upright connector 292 are equipped on the back shroud 22
Connection.
25 two sides of cylinder are additionally provided with the guiding axis 26 being fixed on top board 27 across upper cover plate 21；Guiding axis is led
Further increase the degree of precisely aligning of position between pressure head and mesuring battary during cylinder pushes to effect.The pressure head 29
Lower surface cladding is equipped with the silica gel material that Shore hardness is 30-35 °；The setting of silica gel material, enhance pressure head lower surface with to
Survey the sealing performance when pressing between battery.
The side plate 1 is equipped with pressure display unit 212；The side plate 2 24 is equipped with pressure regulator valve 211；It is more intuitive
Pressure is adjusted and is shown.1 side of horizontal base is additionally provided with the time relay 14；It can be more smart to detection time
Quasi- control.1 side of horizontal base is additionally provided with power switch 15 and emergency stop switch 16；The setting of emergency stop switch enhances
The operating safety factor of device.
The course of work:
When carrying out battery detecting, startup power supply switch 15, the control of rodless cylinder 17 is determined equipped with mesuring battary 12
Position fixture 11 is moved to the pressure head following position directly of the pressure detection mechanism inside vertical frame 2, cylinder along line slide rail 13
25 push, and control top board 27, and lower platen 28 moves down until pressure head 29 compresses mesuring battary 12, the through-hole on pressure head 29
291 with gas injection port tight connecting corresponding on mesuring battary 12, high pressure gas is entered by gas pipeline straight on pressure head 29
Vertical connector 292 is injected inside mesuring battary 12 by explosion-proof valve, is controlled by the cooperation of pressure regulator valve 211 and pressure display unit 212
Air pressure is set as 1.1MPa, controlling injection gas time by the time relay 14 is 30s, and after the time reaches, cylinder 25 is up
Mobile, control pressure head 29 waits components to move up playback, and positioning fixture 11 of the control of rodless cylinder 17 equipped with mesuring battary 12 is along straight
Line sliding rail 13 is moved to far from vertical 2 direction of frame, and whether monitoring battery case in the case where setting air pressure tearing phenomenon occurs, if nothing
Tearing is qualification, after completing detection, it may be convenient to take out mesuring battary 12, continue next round operation.
Pressure-detecting device is carried inside a kind of rectangular cell disclosed by the invention, it can be convenient and efficient accurately for rectangular
Inside battery carries pressure, and whether qualification is tested, and can also measure and the qualified tolerance degree of a variety of pressure sizes is surveyed
Examination, compare with traditional manual test, hence it is evident that improve testing efficiency, increase test result levels of precision, equipment improving cost compared with
It is low, it is flexible in application during routine work, improve working efficiency.
Claims (10)
1. carrying pressure-detecting device inside rectangular cell, it is characterised in that the horizontal base (1) including body structure, the water
Flat bed (1) is equipped with vertical frame (2) that is at L-shaped with its and having upper cover plate (21)；Horizontal base (1) upper surface is set
There is a mesuring battary placement mechanism, the mesuring battary placement mechanism is by being located at the rodless cylinder of horizontal base (1) box house
(17) control moves horizontally on separate and close vertical frame (2) direction；It is equipped with inside the vertical frame (2) from upper cover plate
(21) pressure detection mechanism worn；The pressure detection mechanism is controlled by the cylinder (25) being arranged above upper cover plate (21)
It moves up and down in the vertical direction；
Rodless cylinder (17) control mesuring battary placement mechanism is moved to below the internal pressure detection mechanism of vertical frame (2),
Cylinder (25) pushes, and control pressure detection mechanism moves down and injects a gas into inside battery while compressing mesuring battary, supervises
Survey whether the battery case in the case where setting air pressure occurs tearing phenomenon completion detection.
2. carrying pressure-detecting device inside rectangular cell according to claim 1, it is characterised in that: the mesuring battary
Placement mechanism includes the line slide rail (13) of horizontal base (1) upper surface setting and the positioning fixture for placing mesuring battary (12)
(11), the positioning fixture (11) is mobile in line slide rail (13) under the control of rodless cylinder (17).
3. carrying pressure-detecting device inside rectangular cell according to claim 2, it is characterised in that: the positioning fixture
(11) four walls of inside are equipped at least one resilient cell fixation member (111).
4. carrying pressure-detecting device inside rectangular cell according to claim 1, it is characterised in that: the vertical frame
It (2) further include the back shroud (22) far from mesuring battary placement mechanism；The side plate one (23) and side plate two (24) of two sides；
The pressure detection mechanism is from upper cover plate (21) down successively including top board (27), lower platen (28) and pressure head
(29)；The cylinder (25) passes through upper cover plate (21) and is fixedly connected with top board (27), the top board (27) and lower platen
(28) it is flexibly connected between and is equipped with spring assembly (210)；Pressure head (29) middle part communicates equipped with one with trailing flank logical
Hole (291), pressure head (29) side are equipped with the upright connector (292) communicated with through-hole (291)；Through-hole (291) size
Explosion-proof valve size shape is coincide in shape and mesuring battary (12)；
The gas ducting for being connected to pressure head (29), the gas ducting and upright connector are equipped on the back shroud (22)
(292) it is connected to.
5. carrying pressure-detecting device inside rectangular cell according to claim 4, it is characterised in that: the cylinder (25)
Two sides are additionally provided with the guiding axis (26) being fixed on top board (27) across upper cover plate (21).
6. carrying pressure-detecting device inside rectangular cell according to claim 4, it is characterised in that: the pressure head (29)
Lower surface cladding is equipped with silica gel material.
7. carrying pressure-detecting device inside rectangular cell according to claim 6, it is characterised in that: the silica gel material
Shore hardness is 30-35 °.
8. carrying pressure-detecting device inside rectangular cell according to claim 4, it is characterised in that: the side plate one
(23) pressure display unit (212) are equipped with；The side plate two (24) is equipped with pressure regulator valve (211).
9. carrying pressure-detecting device inside rectangular cell according to claim 2, it is characterised in that: the horizontal base
(1) side is additionally provided with the time relay (14).
10. carrying pressure-detecting device inside rectangular cell according to claim 2, it is characterised in that: the horizontal base
Seat (1) side is additionally provided with power switch (15) and emergency stop switch (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811310167.2A CN109342200A (en) | 2018-11-06 | 2018-11-06 | Pressure-detecting device is carried inside rectangular cell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811310167.2A CN109342200A (en) | 2018-11-06 | 2018-11-06 | Pressure-detecting device is carried inside rectangular cell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109342200A true CN109342200A (en) | 2019-02-15 |
Family
ID=65314155
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811310167.2A Pending CN109342200A (en) | 2018-11-06 | 2018-11-06 | Pressure-detecting device is carried inside rectangular cell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109342200A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285857A (en) * | 2019-07-11 | 2019-09-27 | 深圳市南科燃料电池有限公司 | A kind of fuel cell detection device |
| CN112133970A (en) * | 2020-06-05 | 2020-12-25 | 辽宁省交通高等专科学校 | New energy automobile battery repair check out test set |
| CN112557206A (en) * | 2020-12-23 | 2021-03-26 | 无锡市金杨新材料股份有限公司 | Explosion-proof testing arrangement of battery aluminum hull |
| CN112964993A (en) * | 2019-12-14 | 2021-06-15 | 中国科学院大连化学物理研究所 | Single cell detection device and detection method for fuel cell stack |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202256064U (en) * | 2011-09-27 | 2012-05-30 | 肇庆市洪利电子科技有限公司 | Pressure tester for air pressure explosion proof of capacitor shell |
| CN204613036U (en) * | 2015-05-11 | 2015-09-02 | 合肥国轩高科动力能源股份公司 | One is used for rectangular cell aluminum hull and cover plate weld strength suppresses proving installation |
| CN206269993U (en) * | 2016-12-28 | 2017-06-20 | 临湘市职业中专 | A kind of new energy car battery bag test verification device |
| CN206540669U (en) * | 2017-03-15 | 2017-10-03 | 宁德时代新能源科技股份有限公司 | Overpressure resistance detecting device |
| CN107621413A (en) * | 2017-10-26 | 2018-01-23 | 力信（江苏）能源科技有限责任公司 | A kind of lithium ion battery weld strength test fixture |
| CN209432609U (en) * | 2018-11-06 | 2019-09-24 | 力信（江苏）能源科技有限责任公司 | Pressure-detecting device is carried inside rectangular cell |
| DE102018126573A1 (en) * | 2018-10-25 | 2020-04-30 | Bayerische Motoren Werke Aktiengesellschaft | Detection device for detecting the internal pressure change of a prismatic battery cell and measurement setup |
-
2018
- 2018-11-06 CN CN201811310167.2A patent/CN109342200A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202256064U (en) * | 2011-09-27 | 2012-05-30 | 肇庆市洪利电子科技有限公司 | Pressure tester for air pressure explosion proof of capacitor shell |
| CN204613036U (en) * | 2015-05-11 | 2015-09-02 | 合肥国轩高科动力能源股份公司 | One is used for rectangular cell aluminum hull and cover plate weld strength suppresses proving installation |
| CN206269993U (en) * | 2016-12-28 | 2017-06-20 | 临湘市职业中专 | A kind of new energy car battery bag test verification device |
| CN206540669U (en) * | 2017-03-15 | 2017-10-03 | 宁德时代新能源科技股份有限公司 | Overpressure resistance detecting device |
| CN107621413A (en) * | 2017-10-26 | 2018-01-23 | 力信（江苏）能源科技有限责任公司 | A kind of lithium ion battery weld strength test fixture |
| DE102018126573A1 (en) * | 2018-10-25 | 2020-04-30 | Bayerische Motoren Werke Aktiengesellschaft | Detection device for detecting the internal pressure change of a prismatic battery cell and measurement setup |
| CN209432609U (en) * | 2018-11-06 | 2019-09-24 | 力信（江苏）能源科技有限责任公司 | Pressure-detecting device is carried inside rectangular cell |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110285857A (en) * | 2019-07-11 | 2019-09-27 | 深圳市南科燃料电池有限公司 | A kind of fuel cell detection device |
| CN112964993A (en) * | 2019-12-14 | 2021-06-15 | 中国科学院大连化学物理研究所 | Single cell detection device and detection method for fuel cell stack |
| CN112964993B (en) * | 2019-12-14 | 2024-05-17 | 中国科学院大连化学物理研究所 | Fuel cell stack single cell detection device and detection method |
| CN112133970A (en) * | 2020-06-05 | 2020-12-25 | 辽宁省交通高等专科学校 | New energy automobile battery repair check out test set |
| CN112557206A (en) * | 2020-12-23 | 2021-03-26 | 无锡市金杨新材料股份有限公司 | Explosion-proof testing arrangement of battery aluminum hull |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109342200A (en) | Pressure-detecting device is carried inside rectangular cell | |
| CN201355301Y (en) | Air tightness detection equipment | |
| CN209432609U (en) | Pressure-detecting device is carried inside rectangular cell | |
| CN201773164U (en) | Short circuit testing device for pole group of polymer flexible packaging lithium ion battery | |
| CN103528764A (en) | System for measuring leakage of anti-explosion valve and pole of lithium ion battery | |
| CN203785851U (en) | Lithium ion battery automation leakage detection equipment | |
| CN102735407A (en) | Equipment and method of detecting sealability of lithium ion battery | |
| CN207850606U (en) | A kind of airtight test equipment of battery | |
| CN207866911U (en) | Lamp plate test fixture | |
| CN206573257U (en) | Testing arrangement is suppressed to power lithium cell electricity core | |
| CN204612883U (en) | A kind of lithium ion battery leakage detection apparatus | |
| CN211877325U (en) | Lead-acid storage battery sealing leakage detection device | |
| CN203688602U (en) | Electronic material electrical property temperature characteristic test device | |
| CN110361145B (en) | Skew measuring method gas tightness check out test set | |
| CN211234270U (en) | Polymer lithium battery detection mechanism | |
| CN202903728U (en) | Air cell test module | |
| CN216899994U (en) | Withstand voltage testing arrangement of lithium cell shell | |
| CN206163539U (en) | Power battery cover plate rupture membrane's pressure measurement | |
| CN102735402B (en) | Semi-automatic vacuum test fixture | |
| CN202393319U (en) | Jumpiness detection tool on bottom of sealing groove | |
| CN209656768U (en) | A kind of terminal current detection jig | |
| CN209513176U (en) | Fuel cell bipolar plate tightness detecting tool | |
| CN204068866U (en) | Back electrode structure battery testing platform | |
| CN209656742U (en) | A kind of mobile terminal double-digit detection jig | |
| CN208547621U (en) | A kind of more pixel gas sensor measurers of SGP |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |