CN208860510U - A kind of expansive force and swell increment test device - Google Patents
A kind of expansive force and swell increment test device Download PDFInfo
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- CN208860510U CN208860510U CN201821697169.7U CN201821697169U CN208860510U CN 208860510 U CN208860510 U CN 208860510U CN 201821697169 U CN201821697169 U CN 201821697169U CN 208860510 U CN208860510 U CN 208860510U
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- movable plate
- accommodating chamber
- elastomer
- swell increment
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Abstract
The utility model discloses a kind of expansive force and swell increment test devices, belong to battery test apparatus technical field, fixed plate, the first movable plate, the second movable plate, elastomer, pressure sensor, the detection components for detecting battery modules swell increment and the pressure assembly for driving the first movable plate battery modules, pressure sensor, elastomer to be clamped along guide post sliding including being connected with guide post and bottom plate between two.Bottom plate is equipped with graduation mark；Guide post is arranged in the first movable plate, the second movable plate, forms the first accommodating chamber, the second accommodating chamber and third accommodating chamber between the first movable plate, the second movable plate and two fixed plates, the second accommodating chamber is between the first accommodating chamber and third accommodating chamber；One in elastomer and pressure sensor is located at the first accommodating chamber, another is located at the second accommodating chamber, and the accommodating chamber equipped with elastomer clamps battery modules.The utility model is capable of measuring true expansive force and swell increment of the battery modules during charge and discharge cycles.
Description
Technical field
The utility model relates to battery test apparatus technical field more particularly to a kind of expansive force and swell increment test dresses
It sets.
Background technique
Lithium ion battery is with its energy density height, and operating voltage is high, self discharge is low, charge efficiency is high, have extended cycle life and
The advantages that memory-less effect, obtains more and more extensive answer in fields such as consumption electronic product, space flight, energy storage and new-energy automobiles
With.
Lithium ion battery is during its manufacture and use, since the insertion or abjection of lithium ion can bring the thickness of battery core
When variation, i.e. battery core are charged, lithium ion is deviate from from anode, and is embedded in cathode, causes cathode interlamellar spacing to increase, to expand
Phenomenon, battery core thickness is bigger, and swell increment is bigger；On the other hand, lithium ion produces in charge and discharge process since chemical reaction occurs
Angry body, the gas of generation cause battery core internal pressure to increase, increase the expansion behavior of battery core, and general when assembling battery modules
A foam can be placed between each battery core of battery modules, while can battery modules be applied with certain pretightning force, to improve
It will lead to and pretightning force is applied to it if the degrees of expansion of lithium ion battery is larger with the cycle performance for improving battery modules
Structure is deformed destruction, or even causes safety accident.
Therefore, the test of battery modules true expansive force during charge and discharge cycles including one or more battery cores is just
It is particularly important, it can be used as assessment battery core or battery module structure whether An Quan a key factor.Current test dress
It sets generally be directed to specific battery modules, different types of battery modules can not be tested, not only test result error
It is larger, and record can not be measured to true expansive force of battery modules during charge and discharge cycles.In addition, existing
Test device can not detect the variation of swell increment of battery modules during charge and discharge cycles.
Utility model content
The purpose of this utility model is to provide a kind of expansive force and swell increment test devices, realize to different types of electricity
The test of Chi Mo group expansive force, and can to true expansibility and swelling quantity of battery modules during charge and discharge cycles into
Row measurement.
As above design, the technical scheme adopted by the utility model is
A kind of expansive force and swell increment test device, comprising:
Two fixed plates are connected with guide post and bottom plate between two fixed plates, are provided with graduation mark on the bottom plate；
First movable plate and the second movable plate, the guide post are arranged in first movable plate, the second movable plate, and described
The first accommodating chamber, the second accommodating chamber and third is formed between one movable plate, second movable plate and two fixed plates to hold
Receive chamber, second accommodating chamber is between first accommodating chamber and the third accommodating chamber；
Elastomer and pressure sensor, one in the two is located in first accommodating chamber, another is located at described the
In two accommodating chambers, wherein being folded with the accommodating chamber of the elastomer for clamping battery modules；
Pressure assembly and detection components, the pressure assembly are able to drive the movable plate close to the third accommodating chamber along institute
It states guide post sliding to clamp the battery modules, the pressure sensor, the elastomer, the detection components are for detecting institute
State swell increment of battery modules during charge and discharge cycles.
Further, further include third movable plate between first movable plate and second movable plate, and
Second accommodating chamber is divided into two the 4th accommodating chambers, the elastomer, pressure sensor and battery by the third movable plate
One in mould group is located in first accommodating chamber, and another two is located in two the 4th accommodating chambers.
Further, the pressure sensor is located in first accommodating chamber, and is fixedly arranged on the fixed plate, the inspection
It surveys component and is fixedly arranged on the third movable plate.
Further, the elastomer is located in first accommodating chamber, and is fixedly arranged on the fixed plate, the detection group
Part is fixedly arranged on the movable plate close to first accommodating chamber.
It further, further include controller, the detection components are displacement sensor, and institute's displacement sensors, pressure pass
Sensor is electrically connected to the controller.
Further, the pressure assembly includes screw rod and boss, and the screw rod is passed through close to the third accommodating chamber
The fixed plate can drive first movable plate to slide by the boss.
Further, first through hole is offered close to the fixed plate of the third accommodating chamber, in the first through hole
It is provided with sleeve, the sleeve offers threaded hole along its axial direction, and the wire rod thread is connected to the threaded hole.
Further, on the vertical line direction of the bottom plate, first movable plate, the second movable plate and the bottom plate it
Between be provided with gap.
Further, the elastomer is thermo-setting elastomer or thermoplastic elastomer (TPE).
Further, there are four the guide post settings, and four guide posts are connected to two fixed plates
Four angles.
The utility model has the beneficial effects that
The utility model proposes expansive force and swell increment test device, by be arranged two movable plates, can be according to electricity
The type or structure size of Chi Mo group adjust the position of two movable plates to realize the clamping of battery modules
The movable plate close to third accommodating chamber is driven to slide along guide post by pressure assembly, and by observing graduation mark,
Stop when the first movable plate or the second movable plate reach predeterminated position, battery modules, pressure sensor and elastomer clamped,
Battery modules are applied with certain pretightning force, wherein predeterminated position is configured as needed, and pretightning force is equal to battery modules
The clamping force being subject in practical work process, elastomer provide cushion space for the expansion of battery modules.
It is carried out in charge and discharge cycles in battery modules, the size and change of battery modules expansive force is detected by pressure sensor
Change, the size and variation of battery modules swell increment are detected by detection components, realizes to battery modules in charge and discharge cycles process
In true expansibility and swelling quantity measurement.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of the expansive force that the utility model embodiment one provides and swell increment test device；
Fig. 2 is the structural schematic diagram two of the expansive force that the utility model embodiment one provides and swell increment test device；
Fig. 3 is the explosion diagram of the expansive force that the utility model embodiment one provides and swell increment test device；
Fig. 4 is the structural schematic diagram for the second fixed plate that the utility model embodiment one provides；
Fig. 5 is the structural schematic diagram for the bottom plate that the utility model embodiment one provides；
Fig. 6 is the structural schematic diagram of the expansive force that the utility model embodiment two provides and swell increment test device.
In figure:
11, the first fixed plate；111, first through hole；112, the first counter sink；113, sleeve；12, the second fixed plate；121,
Second counter sink；13, guide post；14, bottom plate；141, graduation mark；142, square groove；143, the second fixation hole；101, first is fixed
Hole；
21, the first movable plate；22, the second movable plate；23, third movable plate；24, guide sleeve；201, the second through-hole；
3, elastomer；4, detection components；5, pressure sensor；
61, screw rod；62, boss；7, battery modules；71, battery core.
Specific embodiment
The technical issues of to solve the utility model, the technical solution of use and the technical effect that reaches are clearer,
Further illustrate the technical solution of the utility model below with reference to the accompanying drawings and specific embodiments.It is understood that
Specific embodiment described herein is used only for explaining the utility model, rather than the restriction to the utility model.In addition it also needs
It is noted that illustrating only part relevant to the utility model for ease of description, in attached drawing and not all.
Embodiment one
As shown in Figures 1 to 5, a kind of expansion force test device is present embodiments provided, includes one or more for measuring
The measurement of the battery modules 7 of a battery core 71 true expansibility and swelling quantity in charge and discharge process, naturally it is also possible to be used for other
Need to measure the structure of expansive force or swell increment, the present embodiment is illustrated by taking battery modules 7 as an example.
The expansion force test device includes two fixed plates, the first movable plate 21, the second movable plate 22, elastomer 3, pressure
Sensor 5, detection components 4, controller (not shown) and pressure assembly, detection components 4 and pressure sensor 5 are electrically connected
In controller, detection components 4 are for detecting swell increment of the battery modules 7 during charge and discharge cycles.Wherein, fixed plate is arranged
There are two, respectively the first fixed plate 11 and the second fixed plate 12, the first fixed plate 11 and the second fixed plate 12 are arranged in parallel, and
It is connected with guide post 13 and bottom plate 14 disposed in parallel between first fixed plate 11 and the second fixed plate 12, is provided with quarter on bottom plate 14
Spend line 141.Guide post 13 is arranged in the first movable plate 21 and the second movable plate 22, and the first movable plate 21 and the second movable plate 22 are mutually
In parallel, and each parallel to the first fixed plate 11, the first fixed plate 11, the first movable plate 21, the second movable plate 22 and second are fixed
Plate 12 is set gradually from right to left.The first accommodating chamber, the first movable plate are formed between second movable plate 22 and the second fixed plate 12
21 and second form the second accommodating chamber between movable plate 22, form third between the first movable plate 21 and the first fixed plate 11 and accommodate
Chamber.In the present embodiment, pressure sensor 5 is located in the first accommodating chamber, and elastomer 3 is located in the second accommodating chamber, and second accommodates
Chamber is for clamping battery modules 7.Pressure assembly is able to drive the first movable plate 21 and slides along guide post 13 by battery modules 7, pressure
Sensor 5 and elastomer 3 clamp.
By the way that two movable plates are arranged, two movable plates can be adjusted according to the type and structure size of battery modules 7
The clampings of battery modules 7 is realized in position.It drives the first movable plate 21 to slide along guide post 13 by pressure assembly, and passes through sight
Graduation mark 141 is examined, is stopped when the first movable plate 21 or the second movable plate 22 reach predeterminated position, battery modules 7, pressure are passed
Sensor 5 and elastomer 3 clamp, and battery modules 7 are applied with certain pretightning force, and wherein predeterminated position is (such as electric under truth
Chi Mo group 7 assemble after length) be configured as needed, pretightning force be equal in 7 practical work process of battery modules by
The clamping force arrived.Charge and discharge cycles then are carried out to battery modules 7, elastomer 3 (being equal to foam) is the expansion of battery modules 7
Cushion space is provided, pressure sensor 5 detects the size and variation of 7 expansive force of battery modules, and detection components 4 detect battery modules
The size and variation of 7 swell incremenies realize the survey to true expansibility and swelling quantity during charge and discharge cycles of battery modules 7
Amount.
As shown in Figure 1 to Figure 3, the expansive force and swell increment test device further include being located at the first movable plate 21 and second to live
Second accommodating chamber is divided into two the 4th accommodating chambers by the third movable plate 23 between movable plate 22, third movable plate 23, and 3, elastomer
In in the 4th accommodating chamber of the first accommodating chamber, and it is fixedly arranged between the second movable plate 22 and third movable plate 23, separately
One the 4th accommodating chamber is for clamping battery modules 7.
In the present embodiment, detection components 4 are displacement sensor, and displacement sensor is fixedly arranged on third movable plate 23,
During carrying out charge and discharge cycles to battery modules 7, fixed since the first movable plate 21 is pressed component, battery modules 7
Expansion will push third movable plate 23 generate displacement and squeeze elastomer 3, then by elastomer 3 through the second movable plate 22 squeeze press
Force snesor 5, displacement sensor by detect third movable plate 23 displacement obtain battery modules 7 swell increment size and
Change procedure, pressure sensor 5 obtain the true of battery modules 7 to the active force that it applies by detecting the second movable plate 22
The size and change procedure of expansive force.
In addition, in the present embodiment, elastomer 3 is thermoplastic elastomer (TPE) or thermo-setting elastomer, when battery modules 7 are being filled
It will push third movable plate 23 when expanding during discharge cycles and generate displacement and then compresses elastomeric 3, bullet can also be passed through
Property body 3 decrement variation obtain the swell incremenies of battery modules 7.When 7 swell increment of battery modules is excessive, most more than elastomer 3
When big decrement, elastomer 3 is no longer shunk, and the maximum swelling power of battery modules 7 can be detected by pressure sensor 5.
As shown in figure 3, offering first through hole 111 in the first fixed plate 11, sleeve 113 is provided in first through hole 111,
Sleeve 113 is provided with threaded hole along its axial direction.Pressure assembly includes screw rod 61 and boss 62, and boss 62 is located at third accommodating chamber
Interior, screw rod 61 is threadedly coupled with the threaded hole of sleeve 113, and one end is connected to boss 62.Make boss by rotary screw rod 61
62 abut and push the first movable plate 21, can be realized movable 21 plates of promotion first and slide along guide post 13.
As shown in figure 3, in the present embodiment, there are four the settings of guide post 13, and four guide posts 13 are connected to two admittedly
Four angles of fixed board.Specifically, being opened up in the first fixed plate 11 there are four the first counter sink 112, the second fixed plate 12 is opened up
There are four the second counter sinks 121 respectively with four 112 faces of the first counter sink, the first counter sink 112 and the second counter sink 121
It is stepped hole, the diameter at both ends is greater than the diameter of interlude, and the both ends of each guide post 13 are located at first countersunk head of face
121 in hole 112 and the second counter sink, and the both ends of each guide post 13 axially offer threaded hole along it, and each guide post 13 is
Two threaded hole spiral shells of opposite the first counter sink 112 and the second counter sink 121 and guide post 13 are each passed through by two screws
Four guide posts 13 are fixed between the first fixed plate 11 and the second fixed plate 12 by line connection, realization.
In addition, four angles of the first movable plate 21, the second movable plate 22 and third movable plate 23 offer the second through-hole
201, a guide sleeve 24 is provided in each second through-hole 201, and each guide sleeve 24 offers third through-hole along its axial direction, each leads
Column 13 is arranged in three opposite guide sleeves 24 on the first movable plate 21, the second movable plate 22 and third movable plate 23 respectively.Pass through
Guide sleeve 24 is set, can guarantee the first movable plate 21, the second movable plate 22 and third movable plate 23 sliding axially along guide post 13,
And the frictional force between the first movable plate 21 of reduction, the second movable plate 22 and third movable plate 23 and guide post 13.
In addition, in order to avoid battery modules 7 when clamping or when being moved during charge and discharge cycles three movable plates with
Bottom plate 14 contacts, and influences the normal expansion of battery modules 7, on the vertical line direction of bottom plate 14, first the 21, second activity of movable plate
Plate 22 and third movable plate 23 are provided with gap between bottom plate 14, and the length in gap is preferably 2-3mm.
As shown in figure 4, the first fixed plate 11 and the second fixed plate 12 offer first along the vertical line direction of bottom plate 14 and consolidate
Determine hole 101,14 both ends of the bottom plate position opposite with the first fixation hole 101 in the first fixed plate 11 and the second fixed plate 12 opens up
There is the second fixation hole 143, fastener passes through each second fixation hole 143 and the first corresponding fixation hole 101 realizes bottom plate
14 and first fixed plate 11, the second fixed plate 12 connection.In the present embodiment, the first fixation hole 101 is threaded hole, and second is solid
Determining hole 143 is through-hole, and fastener is the screw being threadedly coupled across each second fixation hole 143 and corresponding threaded hole,
It is respectively provided in first fixed plate 11 and the second fixed plate 12 there are three the first fixation hole 101, there are six second for setting on bottom plate 14
Fixation hole 143, six the first fixation holes 101 and six the second fixation holes 143 correspond, correspondingly, screw is also equipped with six
It is a.
In addition, in order to mitigate the weight of bottom plate 14, convenient for the carrying of the expansion force test device, on bottom plate 14 along its length
Direction is opened up there are two square groove 142, is provided with graduation mark 141 in two common opposite sides of two square grooves 142,
Graduation mark 141 is provided in the two sides of its length direction with regard to 14 upper surface of bottom plate.By the way that bottom plate 14 is arranged, with two movable plates
It matches and realizes to the accurate limiting of battery modules 7, prevent battery modules 7 from occurring tilting or deviating in placement process, and
Graduation mark 141 is set, and the length after may make battery modules 7 to be clamped is equal to the length under actual conditions after the assembly of battery modules 7
Degree, that is, the pretightning force for being subject to battery modules 7 are equal to the clamping force being subject under actual conditions.
The course of work of the expansive force and swell increment test device will be described in detail below.
1. according to the structure size of battery modules 7, rotary screw rod 61 disengages boss 62 with the first movable plate 21,
It then can be by driving the first movable plate 21 mobile to the direction far from third movable plate 23 and then living by adjusting first manually
Battery modules 7 are put between the first movable plate 21 and third movable plate 23 by the distance between movable plate 21 and third movable plate 23.
2. make boss 62 be connected to the first movable plate 21 by rotating backward screw rod 61, continues to rotate screw rod 61 and push the
One movable plate 21 then drives third movable plate 23, the second movable plate 22 together to close to the movement of the direction of third movable plate 23
Movement clamps battery modules 7, elastomer 3 and pressure sensor 5, living to the first movable plate 21, the second movable plate 22 or third
When movable plate 23 reaches the predeterminated position on graduation mark 141, stop operating screw rod 61, and predeterminated position is set according to actual needs
It sets, the first movable plate 21 and the second movable plate 22 are tightly attached in the two sides of battery modules 7 respectively at this time, and 3 two sides of elastomer difference is tight
Be affixed on the second movable plate 22 and third movable plate 23, and be in compressive state, pressure sensor 5 far from the second fixed plate 12 one
The second movable plate 22 is tightly attached in side, and simulated battery mould group 7, by certain pretightning force, and squeezes each during real work
Foam between a battery core 71.
3. pair battery modules 7 carry out charge and discharge, during charge and discharge cycles, the expansion of battery modules 7 will push third
Movable plate 23 generates displacement and applies active force to elastomer 3 and elastomer 3 is compressed, and elastomer 3 passes through the second activity
Plate 22 applies certain active force to pressure sensor 5, is surveyed in real time by the displacement that displacement sensor detects third movable plate 23
The swell increment for measuring battery modules 7, passes through the expansive force of 5 real-time monitoring battery modules 7 of pressure sensor.It can certainly be according to bullet
Property body 3 deformation quantity obtain battery modules 7 swell increment or by deformation quantity according to recklessly can law obtain the swollen of battery modules 7
Expansive force.
Embodiment two
As shown in fig. 6, expansive force and swell increment test device in the present embodiment and expansive force in embodiment one and swollen
Bulk test device is essentially identical, the difference is that: elastomer 3 is located in the first accommodating chamber, and is fixedly arranged on the second fixed plate
12, wherein close to the first accommodating chamber the 4th accommodating chamber for clamping battery modules 7, pressure sensor 5 be located at another the 4th
In accommodating chamber, and detection components 4 are displacement sensor, are fixedly arranged on the second movable plate 22.
Embodiment three
Expansive force and swell increment test device in the present embodiment and expansive force and swell increment test device in implementation one
It is essentially identical, the difference is that: the expansive force and swell increment test device do not include elastomer, can filled to battery modules
Expansive force during discharge cycles carries out more rough measurement, but the maximum swelling power measured is and battery modules exist
Maximum swelling power during real work is identical.
Embodiment of above only elaborates the basic principles and features of the present invention, and the utility model is not by above-mentioned reality
The mode of applying limits, and on the premise of not departing from the spirit and scope of the utility model, the present invention has various changes and changes,
These changes and changes fall within the scope of the claimed invention.The utility model requires protection scope is by appended
Claims and its equivalent thereof.
Claims (10)
1. a kind of expansive force and swell increment test device characterized by comprising
Two fixed plates are connected with guide post (13) and bottom plate (14) between two fixed plates, are arranged on the bottom plate (14)
There are graduation mark (141)；
First movable plate (21) and the second movable plate (22), the guide post (13) are arranged in first movable plate (21), second
Movable plate (22) forms first between first movable plate (21), second movable plate (22) and two fixed plates
Accommodating chamber, the second accommodating chamber and third accommodating chamber, second accommodating chamber is located at first accommodating chamber and the third accommodates
Between chamber；
Elastomer (3) and pressure sensor (5), one in the two is located in first accommodating chamber, another is located at described
In second accommodating chamber, wherein being folded with the accommodating chamber of the elastomer (3) for clamping battery modules (7)；
Pressure assembly and detection components (4), the pressure assembly are able to drive the movable plate close to the third accommodating chamber along institute
It states guide post (13) sliding to clamp the battery modules (7), the pressure sensor (5), the elastomer (3), the detection
Component (4) is for detecting swell increment of the battery modules (7) during charge and discharge cycles.
2. expansive force according to claim 1 and swell increment test device, which is characterized in that further include being located at described first
Third movable plate (23) between movable plate (21) and second movable plate (22), and the third movable plate (23) will be described
Second accommodating chamber is divided into two the 4th accommodating chambers, and one in the elastomer (3), pressure sensor (5) and battery modules (7)
In first accommodating chamber, another two is located in two the 4th accommodating chambers.
3. expansive force according to claim 2 and swell increment test device, which is characterized in that the pressure sensor (5)
In first accommodating chamber, and it is fixedly arranged on the fixed plate, the detection components (4) are fixedly arranged on the third movable plate
(23)。
4. expansive force according to claim 2 and swell increment test device, which is characterized in that the elastomer (3) is located at
In first accommodating chamber, and it is fixedly arranged on the fixed plate, the detection components (4) are fixedly arranged on close to first accommodating chamber
The movable plate.
5. expansive force according to claim 1-4 and swell increment test device, which is characterized in that further include control
Device, the detection components (4) are displacement sensor, and institute's displacement sensors, pressure sensor (5) are electrically connected to the control
Device.
6. expansive force according to claim 1 and swell increment test device, which is characterized in that the pressure assembly includes silk
Bar (61) and boss (62), the screw rod (61) pass through the fixed plate close to the third accommodating chamber, can be by described
Boss (62) drives the first movable plate (21) sliding.
7. expansive force according to claim 6 and swell increment test device, which is characterized in that close to the third accommodating chamber
The fixed plate offer first through hole (111), is provided with sleeve (113), the sleeve in the first through hole (111)
(113) threaded hole is offered along its axial direction, the screw rod (61) is threadedly connected to the threaded hole.
8. expansive force according to claim 1 and swell increment test device, which is characterized in that in hanging down for the bottom plate (14)
On line direction, gap is provided between first movable plate (21), the second movable plate (22) and the bottom plate (14).
9. expansive force according to claim 1 and swell increment test device, which is characterized in that the elastomer (3) is heat
Solidity elastomer or thermoplastic elastomer (TPE).
10. expansive force according to claim 1 and swell increment test device, which is characterized in that guide post (13) setting
There are four, and four guide posts (13) are connected to four angles of two fixed plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821697169.7U CN208860510U (en) | 2018-10-19 | 2018-10-19 | A kind of expansive force and swell increment test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821697169.7U CN208860510U (en) | 2018-10-19 | 2018-10-19 | A kind of expansive force and swell increment test device |
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| Publication Number | Publication Date |
|---|---|
| CN208860510U true CN208860510U (en) | 2019-05-14 |
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ID=66421261
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| CN201821697169.7U Active CN208860510U (en) | 2018-10-19 | 2018-10-19 | A kind of expansive force and swell increment test device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110455177A (en) * | 2019-08-19 | 2019-11-15 | 东软睿驰汽车技术（沈阳）有限公司 | A kind of detection device of battery modules |
| CN110600787A (en) * | 2019-09-30 | 2019-12-20 | 芜湖天弋能源科技有限公司 | Power battery mould group becomes device |
| CN111129386A (en) * | 2019-12-27 | 2020-05-08 | 苏州清陶新能源科技有限公司 | Foam type selection method for battery module and battery module |
| CN111122035A (en) * | 2019-12-16 | 2020-05-08 | 合肥国轩高科动力能源有限公司 | Battery module expansion force detection device |
| WO2021024773A1 (en) * | 2019-08-07 | 2021-02-11 | 三洋電機株式会社 | Power supply device, and electric vehicle and power storage device using same |
| CN112903164A (en) * | 2021-03-09 | 2021-06-04 | 武汉三江航天远方科技有限公司 | Detection device for simultaneously monitoring internal resistance load pressure and elastic deformation on line |
| CN114544056A (en) * | 2021-08-23 | 2022-05-27 | 万向一二三股份公司 | Improved testing device and method for monitoring expansion force of lithium ion soft package battery |
| CN117129131A (en) * | 2023-10-26 | 2023-11-28 | 江苏时代新能源科技有限公司 | Method and system for replacing sensor in working process of cell expansion force testing device |
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2018
- 2018-10-19 CN CN201821697169.7U patent/CN208860510U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021024773A1 (en) * | 2019-08-07 | 2021-02-11 | 三洋電機株式会社 | Power supply device, and electric vehicle and power storage device using same |
| CN110455177A (en) * | 2019-08-19 | 2019-11-15 | 东软睿驰汽车技术（沈阳）有限公司 | A kind of detection device of battery modules |
| CN110600787A (en) * | 2019-09-30 | 2019-12-20 | 芜湖天弋能源科技有限公司 | Power battery mould group becomes device |
| CN111122035A (en) * | 2019-12-16 | 2020-05-08 | 合肥国轩高科动力能源有限公司 | Battery module expansion force detection device |
| CN111129386A (en) * | 2019-12-27 | 2020-05-08 | 苏州清陶新能源科技有限公司 | Foam type selection method for battery module and battery module |
| CN112903164A (en) * | 2021-03-09 | 2021-06-04 | 武汉三江航天远方科技有限公司 | Detection device for simultaneously monitoring internal resistance load pressure and elastic deformation on line |
| CN114544056A (en) * | 2021-08-23 | 2022-05-27 | 万向一二三股份公司 | Improved testing device and method for monitoring expansion force of lithium ion soft package battery |
| CN117129131A (en) * | 2023-10-26 | 2023-11-28 | 江苏时代新能源科技有限公司 | Method and system for replacing sensor in working process of cell expansion force testing device |
| CN117129131B (en) * | 2023-10-26 | 2024-03-22 | 江苏时代新能源科技有限公司 | Method and system for replacing sensor in working process of cell expansion force testing device |
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