CN217786406U - Battery module test fixture - Google Patents
Battery module test fixture Download PDFInfo
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- CN217786406U CN217786406U CN202221349790.0U CN202221349790U CN217786406U CN 217786406 U CN217786406 U CN 217786406U CN 202221349790 U CN202221349790 U CN 202221349790U CN 217786406 U CN217786406 U CN 217786406U
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- battery module
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- fixing
- pressure sensor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The utility model discloses a battery module testing tool, which relates to the field of battery testing equipment and comprises a mounting plate, a side limiting component, a end limiting plate and an expansion force testing component; the two groups of side limiting assemblies are respectively positioned at the left side and the right side above the mounting plate and are respectively fixedly connected with the mounting plate; the end limiting plate and the expansion force testing assembly are respectively positioned on the front side and the rear side above the mounting plate and are respectively fixedly connected with the mounting plate; the side limiting assembly comprises a first fixing plate, a first support plate and a spring, the first fixing plate is fixedly connected to the mounting plate, and the first support plate is located on one side, facing the other side limiting assembly, of the first fixing plate and is connected with the first fixing plate through the spring. The utility model has the advantages that: spacing subassembly in two sides can be through spring adjustment interval, can adapt to the battery module of multiple size.
Description
Technical Field
The utility model relates to a battery test equipment field especially relates to a battery module test fixture.
Background
At battery module charge-discharge cycle in-process, therefore the expansion power that produces can take place for the electric core group in the battery module, along with the increase of battery module life cycle, the expansion power can be bigger and bigger, can produce the destruction to the welding seam between the end plate of battery module and the curb plate, and can't detect the expansion power, just also can't accurately assess the security of battery module in whole life cycle and the integrality of structure, at this moment, just need use test fixture to test the battery module.
The existing test tool has high limitation when testing the expansion force of the cell pack, and for example, patent document with publication number of CN114295271A discloses a measurement tool for the expansion force of a battery module, which comprises a supporting bottom plate, wherein a fixing plate is arranged at the left end of the top of the supporting bottom plate; the top right-hand member of supporting baseplate is provided with bulging force measurement mechanism, and both sides are provided with the side stopper respectively around the battery module at the top of supporting baseplate, and the side stopper can adjust its concrete fixed position at longitudinal direction through the different fixed orificess on the joint support bottom plate, and bulging force measurement mechanism can measure the bulging force that the battery module produced. On one hand, the side limiting structure of the existing testing tool can only be adjusted among a plurality of fixed positions and cannot adapt to battery modules with various sizes; on the other hand battery module not only can be to the front and back inflation when the inflation, also can be to the inflation of both sides certain degree, and present test fixture only tests battery module's one end, and the test data limitation that obtains is higher.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in how to make test fixture can adapt to the battery module of multiple size.
The utility model discloses a realize solving above-mentioned technical problem through following technical means: the battery module testing tool comprises a mounting plate, a side limiting component, an end limiting plate and an expansion force testing component;
the two groups of side limiting assemblies are respectively positioned at the left side and the right side above the mounting plate and are respectively fixedly connected with the mounting plate;
the end limiting plate and the expansion force testing assembly are respectively positioned on the front side and the rear side above the mounting plate and are respectively fixedly connected with the mounting plate;
the side limiting assembly comprises a first fixing plate, a first support plate and a spring, the first fixing plate is fixedly connected to the mounting plate, and the first support plate is located on one side, facing the other group of side limiting assemblies, of the first fixing plate and is connected with the first fixing plate through the spring.
Before the battery module is placed in the battery module, pressure is respectively applied to the two first supporting plates to compress the springs, and the distance between the two first supporting plates is increased; when the distance between the two first supporting plates is enough to place the battery module, stopping placing the battery module between the two first supporting plates, and supporting the mounting plate below the battery module; then, the force applied to the two first supporting plates is released, and the two first supporting plates are attached to the two sides of the battery module under the action of the springs, so that the two sides of the battery module are limited; the end part limiting plate and the expansion force testing assembly are respectively limited at the front end and the rear end of the battery module, and the expansion force of the battery module is tested through the expansion force testing assembly; spacing subassembly in two sides can be through spring control interval, can adapt to the battery module of multiple size, all possesses good spacing ability to the battery module of unidimensional not, and the flexibility of use is high.
Preferably, the side limiting assembly further comprises a first pressure sensor and a first fixing screw; the first pressure sensor is positioned between the first fixing plate and the first supporting plate and is fixedly connected with the first supporting plate; the first fixing screw is connected in a threaded hole penetrating through the first fixing plate through threads and corresponds to the first pressure sensor in position. Rotating the first fixing screw to enable the first fixing screw to be attached to the first pressure sensor, wherein the first fixing screw plays a supporting role on the first pressure sensor; the first pressure sensor absorbs force under the support of the first fixing screw rod to obtain corresponding data, so that the expansion force on two sides of the battery module is detected, and the data accuracy and diversity of the testing tool are improved by combining the data of the first pressure sensor and the data of the expansion force testing assembly; simultaneously under the supporting action of first set screw, the spring can not be atred and also can not drive first extension board compression, and two second extension boards keep spacing the both sides of battery module.
Preferably, the side limiting assembly further comprises a digital display thermometer, the digital display thermometer is mounted on the first support plate, and a temperature measuring probe of the digital display thermometer penetrates through the first support plate. The digital display thermometer can test the surface temperature of battery module, makes the tester obtain more data that can refer to, combines digital display thermometer, first pressure sensor and expansibility test component's data, observes the change of battery module expansibility under the different temperature condition, and the data that obtain are more persuasive, and data are diversified more.
Preferably, the digital display thermometer is electrically connected with an external power supply. In the test process, whether the digital display thermometer can be used according to the user demand free choice, do not open the test function that the digital display thermometer also can not influence side limit subassembly itself, added different test directions.
Preferably, the first fixing plate and the first support plate have the same shape and size, and two ends of the first support plate are respectively connected with the first fixing plate through springs. The structure is more stable.
Preferably, the expansion force testing assembly comprises a second fixing plate, a second support plate, an adjusting mechanism, a second pressure sensor and a second fixing screw rod; the second fixing plate is fixedly connected to the mounting plate, the second support plate is located on one side, facing the end limiting plate, of the second fixing plate and is connected with the second fixing plate through the adjusting mechanism, and the adjusting mechanism can adjust the distance between the second support plate and the end limiting plate; the second pressure sensor is positioned between the second fixing plate and the second support plate and is fixedly connected with the second support plate; the second fixing screw is connected in a threaded hole penetrating through the second fixing plate through threads and corresponds to the second pressure sensor in position. The distance between the second support plate and the end part limiting plate is adjusted through an adjusting mechanism, so that the end part limiting plate and the second support plate are respectively attached to the front end and the rear end of the battery module, and the front end and the rear end of the battery module are limited; then the second fixing screw rod is rotated to be attached to the second pressure sensor, and the second pressure sensor is supported; and the second pressure sensor absorbs the force under the support of the second fixing screw rod to obtain corresponding data.
Preferably, the adjusting mechanism includes a plurality of adjusting rods, and each adjusting rod is distributed around the second pressure sensor and is respectively connected between the second fixing plate and the second support plate.
Preferably, cushions are arranged on one sides of the two first supporting plates facing each other, one sides of the end part limiting plates facing the expansion force testing assembly and one sides of the second supporting plates facing the end part limiting plates.
The utility model has the advantages that:
1. spacing subassembly in two sides can be through spring control interval, can adapt to the battery module of multiple size, all possesses good spacing ability to the battery module of unidimensional not, and the flexibility of use is high.
2. The expansion force on two sides of the battery module is detected, and the data accuracy and diversity of the test tool are improved by combining the data of the first pressure sensor and the data of the expansion force test assembly; simultaneously under the supporting action of first set screw, the spring can not be atred and also can not drive first extension board compression, and two second extension boards keep spacing the both sides of battery module.
3. The digital display thermometer can test the surface temperature of battery module, makes the tester obtain more data that can refer to, combines digital display thermometer, first pressure sensor and expansibility test component's data, observes the change of battery module expansibility under the different temperature condition, and the data that obtain are more persuasive, and data are diversified more.
4. In the test process, whether the digital display thermometer can be used according to the user demand free choice, do not open the test function that the digital display thermometer also can not influence side limit subassembly itself, added different test directions.
Drawings
Fig. 1 is the embodiment of the utility model provides an axle of battery module test fixture surveys and shows intention.
Fig. 2 is a schematic plan view of a battery module testing tool according to an embodiment of the present invention.
Fig. 3 is a right-side view schematic diagram of the battery module testing tool according to the embodiment of the present invention.
Fig. 4 is an axial view of the side limiting assembly of the embodiment of the present invention.
The reference numbers indicate:
1. mounting a plate; 2. a side limiting component; 21. a first fixing plate; 22. a first support plate; 23. a spring; 24. a first pressure sensor; 25. a first fixing screw; 3. an end limiting plate; 4. an expansion force testing assembly; 41. a second fixing plate; 42. a second support plate; 43. an adjustment mechanism; 44. a second pressure sensor; 45. a second fixing screw; 5. a battery module is provided.
Detailed Description
To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are combined to clearly and completely describe the technical solution in the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in FIG. 1, the embodiment of the utility model discloses battery module test fixture, including mounting panel 1, the spacing subassembly 2 of side, tip limiting plate 3, bulging force test subassembly 4.
The two groups of side limiting assemblies 2 are respectively positioned at the left side and the right side above the mounting plate 1 and are respectively fixedly connected with the mounting plate 1; the end limiting plates 3 and the expansion force testing assemblies 4 are respectively positioned on the front side and the rear side above the mounting plate 1 and are respectively fixedly connected with the mounting plate 1; when battery module 5 was placed on mounting panel 1, its both sides were spacing by two sets of side spacing subassemblies 2, and both ends are spacing by tip limiting plate 3 and bulging force test subassembly 4 around.
As shown in fig. 2 to 4, the side stopper assembly 2 includes a first fixing plate 21, a first supporting plate 22, a spring 23, a first pressure sensor 24, and a first fixing screw 25.
The first fixing plate 21 is fixedly connected to the mounting plate 1, the first support plate 22 is positioned on one side of the first fixing plate 21 facing the other set of side limiting components 2, the first fixing plate 21 and the first support plate 22 have the same shape and size, and two ends of the first support plate 21 are respectively connected with the first fixing plate 21 through springs; the first pressure sensor 24 is positioned between the first fixing plate 21 and the first supporting plate 22 and fixedly connected with the first supporting plate 22; the first fixing screw 25 is screwed into a threaded hole penetrating through the first fixing plate 21 and corresponds to the first pressure sensor 24 in position; the digital display thermometer 26 is arranged on the first support plate 22, the temperature measuring probe of the digital display thermometer 26 penetrates through the first support plate 22, and the digital display thermometer 26 is electrically connected with an external power supply.
As shown in fig. 2 and 3, the expansion force testing assembly 4 includes a second fixing plate 41, a second support plate 42, an adjusting mechanism 43, a second pressure sensor 44, and a second fixing screw 45.
The second fixing plate 41 is fixedly connected to the mounting plate 1, and the second support plate 42 is located on one side of the second fixing plate 41 facing the end limiting plate 3 and connected to the second fixing plate 41 through the adjusting mechanism 43; the adjusting mechanism 43 comprises four adjusting rods, each adjusting rod is distributed around the second pressure sensor 44 and is respectively connected between the second fixing plate 41 and the second support plate 42, and the distance between the second support plate 42 and the end limiting plate 3 can be adjusted; the second pressure sensor 44 is positioned between the second fixing plate 41 and the second support plate 42 and is fixedly connected with the second support plate 42; the second fixing screw 45 is screwed into a screw hole penetrating the second fixing plate 41 and corresponds in position to the second pressure sensor 44.
The side of the two first plates 22 facing each other, the side of the end limiting plate 3 facing the expansion force testing assembly 4, and the side of the second plate 42 facing the end limiting plate 3 are provided with cushions.
The working principle is as follows: before the battery module 5 is placed, pressure is respectively applied to the two first supporting plates 22 to compress the springs 23, so that the distance between the two first supporting plates 22 is increased; stopping when the distance between the two first supporting plates 22 is enough to put the battery module 5, putting the battery module 5 between the two first supporting plates 22, and supporting the mounting plate 1 below the battery module 5; then, the force applied to the two first supporting plates 22 is released, and the two first supporting plates 22 are attached to the two sides of the battery module 5 under the action of the springs 23, so that the two sides of the battery module 5 are limited; at this time, a gap is formed between the first pressure sensor 24 and the first fixing plate 21, and no fixed supporting point exists; the first fixing screw 25 is rotated to be attached to the first pressure sensor 24, and at the moment, the first fixing screw 25 plays a role in supporting the first pressure sensor 24; then, the distance between the second support plate 42 and the end part limiting plate 3 is adjusted through the adjusting mechanism 43, so that the end part limiting plate 3 and the second support plate 42 are respectively attached to the front end and the rear end of the battery module 5, and the front end and the rear end of the battery module 5 are limited; then, the second fixing screw 45 is rotated to be attached to the second pressure sensor 44, so that the second pressure sensor 44 is supported, and the test can be started; in the testing process, the battery module 5 generates an expansion force to apply a force to the first pressure sensor 24 and the second pressure sensor 44, the first pressure sensor 24 absorbs the force under the support of the first fixing screw 25, and the second pressure sensor 44 absorbs the force under the support of the second fixing screw 45, so that corresponding data is obtained; meanwhile, under the supporting action of the first fixing screw 25, the spring 23 cannot be stressed and cannot drive the first support plate 22 to compress, and the two second support plates 42 keep limiting the two sides of the battery module 5; in the testing process, the digital display thermometer 26 tests the surface temperature of the battery module 5; after the test is finished, the second fixing screw 45 is rotated to be separated from the second pressure sensor 44, and the distance between the second support plate 42 and the end limiting plate 3 is adjusted through the adjusting mechanism 43, so that the second support plate 42 is separated from the battery module 5; then, the first fixing screw 25 is rotated to be separated from the first pressure sensor 24 while maintaining a certain distance, and pressure is applied to the two first supporting plates 22 to compress the springs 23, so that the first supporting plates 22 are separated from the battery module 5, and then the battery module 5 is taken out of the mounting plate 1.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (8)
1. The utility model provides a battery module test fixture which characterized in that: the device comprises a mounting plate, a side limiting assembly, an end limiting plate and an expansion force testing assembly;
the two groups of side limiting assemblies are respectively positioned at the left side and the right side above the mounting plate and are respectively fixedly connected with the mounting plate;
the end limiting plate and the expansion force testing assembly are respectively positioned on the front side and the rear side above the mounting plate and are respectively fixedly connected with the mounting plate;
the side limiting assembly comprises a first fixing plate, a first support plate and a spring, the first fixing plate is fixedly connected to the mounting plate, and the first support plate is located on one side, facing the other side limiting assembly, of the first fixing plate and is connected with the first fixing plate through the spring.
2. The battery module testing tool of claim 1, wherein: the side limiting assembly further comprises a first pressure sensor and a first fixing screw rod; the first pressure sensor is positioned between the first fixing plate and the first supporting plate and is fixedly connected with the first supporting plate; the first fixing screw is connected in a threaded hole penetrating through the first fixing plate through threads and corresponds to the first pressure sensor in position.
3. The battery module testing tool of claim 2, wherein: the side limiting assembly further comprises a digital display thermometer, the digital display thermometer is installed on the first support plate, and a temperature measuring probe of the digital display thermometer penetrates through the first support plate.
4. The battery module testing tool of claim 3, wherein: the digital display thermometer is electrically connected with an external power supply.
5. The battery module testing tool of claim 2, wherein: the first fixing plate and the first support plate are identical in shape and size, and two ends of the first support plate are connected with the first fixing plate through springs respectively.
6. The battery module testing tool of claim 1, wherein: the expansion force testing assembly comprises a second fixing plate, a second supporting plate, an adjusting mechanism, a second pressure sensor and a second fixing screw rod; the second fixing plate is fixedly connected to the mounting plate, the second support plate is located on one side, facing the end limiting plate, of the second fixing plate and is connected with the second fixing plate through the adjusting mechanism, and the adjusting mechanism can adjust the distance between the second support plate and the end limiting plate; the second pressure sensor is positioned between the second fixing plate and the second support plate and is fixedly connected with the second support plate; the second fixing screw rod is connected in a threaded hole penetrating through the second fixing plate through threads and corresponds to the second pressure sensor in position.
7. The battery module testing tool of claim 6, wherein: the adjusting mechanism comprises a plurality of adjusting rods, and the adjusting rods are distributed around the second pressure sensor and are respectively connected between the second fixing plate and the second support plate.
8. The battery module testing tool of claim 6, wherein: and cushions are arranged on one side of the two first supporting plates facing the opposite side, one side of the end part limiting plate facing the expansion force testing assembly and one side of the second supporting plate facing the end part limiting plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221349790.0U CN217786406U (en) | 2022-05-31 | 2022-05-31 | Battery module test fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221349790.0U CN217786406U (en) | 2022-05-31 | 2022-05-31 | Battery module test fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217786406U true CN217786406U (en) | 2022-11-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221349790.0U Active CN217786406U (en) | 2022-05-31 | 2022-05-31 | Battery module test fixture |
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| Country | Link |
|---|---|
| CN (1) | CN217786406U (en) |
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2022
- 2022-05-31 CN CN202221349790.0U patent/CN217786406U/en active Active
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