CN220691066U - Polarity and pressure difference testing tool for battery module - Google Patents
Polarity and pressure difference testing tool for battery module Download PDFInfo
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- CN220691066U CN220691066U CN202321039491.1U CN202321039491U CN220691066U CN 220691066 U CN220691066 U CN 220691066U CN 202321039491 U CN202321039491 U CN 202321039491U CN 220691066 U CN220691066 U CN 220691066U
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- 238000012360 testing method Methods 0.000 title claims abstract description 34
- 238000001514 detection method Methods 0.000 claims abstract description 28
- 239000000523 sample Substances 0.000 claims description 16
- 238000003825 pressing Methods 0.000 claims description 14
- 238000004458 analytical method Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 4
- LVROLHVSYNLFBE-UHFFFAOYSA-N 2,3,6-trichlorobiphenyl Chemical compound ClC1=CC=C(Cl)C(C=2C=CC=CC=2)=C1Cl LVROLHVSYNLFBE-UHFFFAOYSA-N 0.000 description 9
- 238000007405 data analysis Methods 0.000 description 5
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 3
- 229910052744 lithium Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Tests Of Electric Status Of Batteries (AREA)
Abstract
The utility model discloses a polarity and pressure difference testing tool for a battery module, which comprises a tool frame, a dial assembly and a driving assembly, wherein the tool frame is provided with a plurality of driving modules; a slide support is arranged in the tool frame in a sliding manner along the Y-axis direction and is used for placing a battery module to be tested; the dial assembly is arranged in the tool frame in a sliding manner along the Z-axis direction and is used for being electrically connected with a battery module to be tested on a detection position sliding into the tool frame to acquire data; the driving assembly is arranged on the tool rack and connected with the needle disc assembly, and is used for driving the needle disc assembly to slide along the Z-axis direction so as to press and connect the battery module to be tested; compared with the prior art, the utility model performs data acquisition with the battery module to be tested through the dial assembly and provides acting force for the dial assembly through the driving assembly, so that the dial assembly and the battery module to be tested are pressed and fixed in the process of electrically connecting the dial assembly and the battery module to be tested, the layout is reasonably performed, and the fixing structure is simplified.
Description
Technical Field
The utility model relates to the technical field of test tool structures, in particular to a polarity and pressure difference test tool for a battery module.
Background
Along with the continuous development of new energy, the lithium battery industry is constantly familiar with, and the application of lithium batteries is also wider and wider, but the lithium battery production process often has more problems and difficult ways to cause trouble to manufacturers: for example, in the production process, the total voltage of the battery pack is not correct, and one string of voltage or the voltage of the battery pack is reverse voltage; in the test process, the capacity is lower than the nominal capacity, and the like, so that the time is wasted in repairing, and the scrapping cost is increased.
Patent document with application number of CN202122154114.X discloses a differential pressure detection device for a battery module, which comprises a detection table and a battery module arranged on the detection table, and further comprises a detection device, wherein the detection device comprises a first parallel frame arranged on two sides of the battery module, at least four compression bars symmetrically arranged on the first parallel frame, at least two second parallel frames arranged on the compression bars, a plurality of fixed blocks uniformly and symmetrically arranged on the second parallel frames, and voltage probes arranged on each fixed block, one second parallel frame is arranged on each two compression bars, the first parallel frames are mutually parallel to the second parallel frames, and the voltage probes are arranged above the battery module.
The pressure difference detection device for the battery module adopts the first parallel frame, at least four compression bars, at least two second parallel frames and a plurality of fixing blocks to be matched for fixing the battery module for detection, and has a relatively complex structure.
Disclosure of Invention
Aiming at the defects in the prior art, the utility model aims to provide a polarity and pressure difference testing tool for a battery module, so as to solve the problem that the structure for detecting and fixing the battery module is relatively complex in the prior art.
In order to achieve the above purpose, the present utility model adopts the following technical scheme: a polarity and differential pressure test fixture for a battery module, comprising:
the device comprises a tool frame, wherein a slide support is arranged in the tool frame in a sliding manner along the Y-axis direction and is used for placing a battery module to be tested;
the needle disc assembly is arranged in the tool frame in a sliding manner along the Z-axis direction and is used for being electrically connected with a battery module to be tested on a detection position sliding into the tool frame to collect data;
the driving assembly is arranged on the tool rack and connected with the needle disc assembly and used for driving the needle disc assembly to slide along the Z-axis direction to press and connect the battery module to be tested.
Working principle: and the battery module to be tested is placed on the slide support and then slides along the Y-axis direction to slide into a detection position in the tool frame, the rear driving assembly provides power to enable the dial assembly to press and fix the battery module to be tested along the Z-axis direction and electrically connect the battery module to be tested, and the rear dial assembly collects data such as pressure difference, polarity and the like of the battery module to be tested for analysis.
Compared with the prior art, the utility model has the following beneficial effects:
this polarity and pressure differential test fixture in battery module carries out data acquisition through dial subassembly with the battery module of waiting to test and provides effort for dial subassembly through drive assembly, makes dial subassembly and the battery module of waiting to test carry out the in-process that the electricity is connected and the battery module of waiting to test suppresses fixedly, rationally carries out the overall arrangement and has simplified fixed knot constructs.
Drawings
FIG. 1 is a schematic diagram of a first embodiment of the present utility model;
fig. 2 is a schematic structural diagram of a second embodiment of the present utility model.
Reference numerals in the drawings of the specification include: tool rack 1, bottom plate 11, portal frame 12, slide rail 13, dial assembly 2, clamp plate 21, dial 22, probe 23, PCB board 24, analysis display 25, drive assembly 3, driver 31, guide bar 32, stopper 33, slide bracket 4, placement plate 41, "L" type dog 42, battery module 5.
Detailed Description
The utility model is described in further detail below by way of specific embodiments:
as shown in fig. 1 and 2, an embodiment of the present utility model provides a polarity and pressure difference testing tool for a battery module, which includes a tool frame 1, a dial assembly 2 and a driving assembly 3;
a slide support 4 is arranged in the tool frame 1 in a sliding manner along the Y-axis direction, and the slide support 4 is used for placing a battery module 5 to be tested;
the dial assembly 2 is arranged in the tool frame 1 in a sliding manner along the Z-axis direction and is used for being electrically connected with a battery module 5 to be tested on a detection position sliding into the tool frame 1 to collect data;
the driving assembly 3 is arranged on the tool rack 1 and connected with the needle dial assembly 2, and is used for driving the needle dial assembly 2 to slide along the Z-axis direction to press and connect the battery module 5 to be tested.
When in use, the utility model is characterized in that:
the battery module 5 to be tested is placed on the slide support 4 and then slides along the Y-axis direction to slide into the detection position in the tool rack 1, the rear driving assembly 3 provides power to enable the needle dial assembly 2 to press and fix the battery module 5 to be tested along the Z-axis direction and electrically connect the battery module 5 to be tested, and the rear needle dial assembly 2 collects data such as pressure difference, polarity and the like of the battery module 5 to be tested for analysis.
This polarity and pressure differential test frock in battery module 5 carries out data acquisition through dial subassembly 2 with the battery module 5 that awaits measuring and provides effort for dial subassembly 2 through drive assembly 3, makes dial subassembly 2 and the in-process that battery module 5 that awaits measuring carries out the electricity and suppresses fixedly to the battery module 5 that awaits measuring, rationally carries out the overall arrangement and has simplified fixed knot constructs.
As shown in fig. 1 and 2, according to another embodiment of the present utility model, the polarity and pressure difference testing tool for a battery module, wherein the tool rack 1 includes a bottom plate 11, a gantry 12, and a sliding rail 13;
wherein the portal frame 12 is fixedly connected to the bottom plate 11, and the dial assembly 2 and the driving assembly 3 are connected with the portal frame 12;
at least one and a plurality of slide rails 13 are arranged in parallel, the slide rails 13 are all arranged on the bottom plate 11 along the Y-axis direction, and the slide support 4 is connected with the slide rails 13 in a sliding manner.
In this embodiment:
the adopted slide rails 13 are two, the portal frame 12 is positioned in the middle of the top of the bottom plate 11, and the slide rails 13 are positioned on one side of the portal frame 12 and extend into the portal frame 12; the position of the base plate 11 within the gantry 12 is the detection position, and the gantry 12 provides support for the mounting of the dial assembly 2 and the drive assembly 3. The battery module 5 to be tested is placed on the slide support 4 to slide along the arrangement direction of the slide rail 13, the battery module 5 to be tested slides into the detection position, the rear driving assembly 3 enables the needle dial assembly 2 to slide towards the direction close to the battery module 5 to be tested, the needle dial assembly 2 is pressed on the top of the battery module 5 to be tested and is electrically connected, and data such as pressure difference and polarity of the battery module 5 to be tested are stably collected to be analyzed.
In order to enable the battery module 5 to be tested to move into the detection position more accurately to be matched with the dial assembly 2, a rear baffle is fixedly arranged on one side of the top of the bottom plate 11, which is positioned at the detection position, and the rear baffle is positioned on the extension line of the sliding rail 13. When the battery module 5 to be tested is placed on the slide support 4 to slide along the arrangement direction of the slide rail 13 until the slide support 4 abuts against the rear baffle, the battery module 5 to be tested is just placed in the detection position at this time to improve the precision of matching with the dial assembly 2.
Based on the scheme:
the adopted slide bracket 4 comprises a placing plate 41 and a positioning part;
wherein, the placing plate 41 is arranged in the tool frame 1 in a sliding way along the Y-axis direction;
the positioning portions are disposed circumferentially at the top edge of the placement plate 41 and the positioning portions are not closed annularly.
Here: specifically, the placement plate 41 is slidably connected to the two slide rails 13, and the positioning portion specifically includes an "L" shaped stop 42, where the "L" shaped stop 42 is fixedly disposed at a top edge of the placement plate 41 and faces one side of the detection position. Because the battery module 5 to be tested is in a cuboid shape, the placing plate 41 is designed into a square plate, and the L-shaped stop blocks 42 are just distributed on two side edges of the top of the square plate; the arrangement of the L-shaped stop block 42 and the placement plate 41 is used for facilitating the sliding of the battery module 5 to be tested onto the placement plate 41 from the side, on which the L-shaped stop block 42 is not arranged, of the top of the placement plate 41 until the two side edges of the battery module 5 to be tested are attached to the inner side of the L-shaped stop block 42, so that the battery module 5 to be tested is accurately placed on the placement plate 41, and the battery module 5 to be tested is accurately matched with the dial assembly 2 after being slid into the detection position.
As shown in fig. 1 and 2, according to another embodiment of the present utility model, the polarity and pressure difference testing tool for a battery module, wherein the driving assembly 3 includes a driver 31, and the driver 31 is fixedly disposed on the tool holder 1 and connected to the dial assembly 2.
The driver 31 provides power for the movement of the dial assembly 2 in the Y-axis direction; the driving assembly 3 specifically adopted further comprises a guiding structure, the guiding structure comprises a guiding rod 32 slidably connected with the needle dial assembly 2, and the guiding rod 32 is arranged along the Z-axis direction.
In this embodiment: the number of the guide structures is two, the guide structures are distributed on two sides of the dial assembly 2, and one end of the guide rod 32 is specifically fixedly connected with the portal frame 12; the guide is performed by the guide bar 32 during the movement of the dial assembly 2 driven by the driver 31, so that the movement of the dial assembly 2 is more stable. Meanwhile, the guide structure further comprises a limiting block 33 connected to one end of the guide rod 32, specifically, the limiting block 33 is fixedly connected to the bottom end of the guide rod 32, and is used for limiting movement of the needle dial assembly 2 and preventing the needle dial assembly 2 from moving out of the guide rod 32.
Note that: the driver 31 is a mechanism for driving the needle dial assembly 2 to linearly move, and can be an air cylinder, wherein the air cylinder is fixed at the top of the portal frame 12, and a piston rod of the air cylinder is connected with the needle dial assembly 2; the air cylinder is connected with an air filter body fixed on the outer wall of the portal frame 12 through an air pipe, and the air pipe is provided with a pneumatic valve; the pneumatic valve is opened to enable the compressed air to enter the air filter body for filtration and then be led into the air cylinder to drive the air cylinder to operate; closing the pneumatic valve, and stopping the operation of the cylinder; to control the operation state of the cylinder rapidly.
As shown in fig. 1 and 2, according to another embodiment of the present utility model, the polarity and pressure difference testing tool for a battery module, wherein the dial assembly 2 includes a pressing plate 21 and a dial 22;
wherein the pressing plate 21 is connected with the driving assembly 3;
the needle dial 22 is fixedly connected with the pressing plate 21, a plurality of probes 23 are arranged on the needle dial 22, and the probes 23 are used for being connected with a plurality of poles on the battery module 5 in a one-to-one corresponding inserting connection mode.
In this embodiment: the needle dial 22 is specifically located below the pressing plate 21, the needle dial 22 is located above the detection position, the needle dial 22 and the pressing plate 21 are fixedly connected together through a plurality of insulating columns, and the pressing plate 21 is specifically connected with a piston rod of an air cylinder; the cylinder is operated to enable the pressing plate 21 to move downwards, the guide rod 32 is specifically connected with the pressing plate 21, and when the pressing plate 21 abuts against the limiting block 33, the probes 23 are correspondingly spliced with the poles on the battery module 5 in the detection position one by one, and the probes 23 can stably detect the data such as the pressure difference and the polarity on the battery module 5.
After the detection is finished, the cylinder moves reversely to enable the pressing plate 21 to drive the needle disc 22 to move reversely, and the probes 23 are disconnected with the polar posts in a one-to-one correspondence manner; the slide holder 4 can be moved out of the detection position, and the battery module 5 after detection is moved away from the slide holder 4.
Based on the scheme:
the adopted dial assembly 2 also comprises a PCB 24 and an analysis display 25;
wherein, the PCB 24 is electrically connected with the probes 23;
the analysis display 25 is electrically connected with the PCB 24, and is configured to operate on data transmitted by the PCB 24 and feed back a result.
In this embodiment:
the PCB 24 is specifically located between the pressing plate 21 and the dial 22, and a plurality of holes for the probes 23 to pass through are formed in the PCB 24, and the PCB 24 is electrically connected to the tops of the probes 23 to reasonably layout the PCB 24, the pressing plate 21 and the dial 22.
Meanwhile, the analysis display 25 comprises a display internally provided with a data analysis module, the probe 23 transmits collected data to the data analysis module through the PCB 24, the data analysis module performs operation analysis, and a buzzer and an indicator lamp on the display are used for displaying a test result. The model of the data analysis module can be EBM-04BD.
The specific operation is as follows:
1. placing the battery module 5 to be tested on the slide support 4 and moving to a detection position;
2. opening the pneumatic valve, enabling the cylinder to descend, and enabling the probe 23 of the needle dial 22 to be pressed against and communicated with the pole of the electric battery module 5;
3. opening a display test button to perform a test;
4. the data analysis module in the display calculates the acquired data, then sends the information to the display, tests OK and tests the green light of the indicator lamp; otherwise, the buzzer alarms, the test indicator lights are turned on to be red, and the test button is turned off;
5. closing the pneumatic valve switch, allowing the cylinder to descend, and disconnecting the probe 23 of the dial 22 from the pole of the battery module 5;
6. the slide holder 4 is moved outward, and then the battery module 5 is removed.
Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.
Claims (10)
1. A polarity and pressure differential test fixture for battery module, its characterized in that includes:
the device comprises a tool frame, wherein a slide support is arranged in the tool frame in a sliding manner along the Y-axis direction and is used for placing a battery module to be tested;
the needle disc assembly is arranged in the tool frame in a sliding manner along the Z-axis direction and is used for being electrically connected with a battery module to be tested on a detection position sliding into the tool frame to collect data;
the driving assembly is arranged on the tool rack and connected with the needle disc assembly and used for driving the needle disc assembly to slide along the Z-axis direction to press and connect the battery module to be tested.
2. The polarity and pressure differential testing tool for a battery module according to claim 1, wherein: the dial assembly includes:
the pressing plate is connected with the driving assembly;
the needle disc is fixedly connected with the pressing plate, a plurality of probes are arranged on the needle disc and are used for being connected with a plurality of pole posts on the battery module in a one-to-one corresponding inserting connection mode.
3. The polarity and pressure differential testing tool for a battery module according to claim 2, wherein: the dial assembly further comprises:
the PCB is electrically connected with the probes;
the analysis display is electrically connected with the PCB and is used for calculating data transmitted by the PCB and feeding back a result.
4. The polarity and pressure differential testing tool for a battery module according to claim 1, wherein: the drive assembly includes:
the driver is fixedly arranged on the tool rack and is connected with the dial assembly.
5. The polarity and pressure differential testing tool for a battery module according to claim 4, wherein: the drive assembly further includes:
the guide structure comprises a guide rod which is connected with the dial assembly in a sliding manner, and the guide rod is arranged along the Z-axis direction.
6. The polarity and pressure differential testing tool for a battery module according to claim 5, wherein: the guide structure further comprises a limiting block connected to one end of the guide rod.
7. The polarity and pressure differential testing tool for a battery module according to claim 1, wherein: the tool rack comprises:
a bottom plate;
the portal frame is fixedly connected to the bottom plate, and the needle disc assembly and the driving assembly are connected with the portal frame;
the sliding rails are arranged in parallel when being at least one or more, the sliding rails are arranged on the bottom plate along the Y-axis direction, and the sliding support is connected with the sliding rails in a sliding manner.
8. The polarity and pressure differential testing tool for a battery module according to claim 1, wherein: the slide bracket comprises:
the placing plate is arranged in the tool frame in a sliding manner along the Y-axis direction;
and the positioning parts are arranged at the top edge of the placing plate in a circumferential direction and are not closed in an annular mode.
9. The polarity and pressure differential testing tool for a battery module according to claim 8, wherein: the positioning portion includes:
the L-shaped stop block is fixedly arranged at the top edge of the placement plate and faces one side of the detection position.
10. The polarity and pressure differential testing tool for a battery module according to claim 7, wherein: and a rear baffle is fixedly arranged on one side of the top of the bottom plate, which is positioned at the detection position, and the rear baffle is positioned on the extension line of the sliding rail.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321039491.1U CN220691066U (en) | 2023-05-05 | 2023-05-05 | Polarity and pressure difference testing tool for battery module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321039491.1U CN220691066U (en) | 2023-05-05 | 2023-05-05 | Polarity and pressure difference testing tool for battery module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220691066U true CN220691066U (en) | 2024-03-29 |
Family
ID=90411944
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321039491.1U Active CN220691066U (en) | 2023-05-05 | 2023-05-05 | Polarity and pressure difference testing tool for battery module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220691066U (en) |
-
2023
- 2023-05-05 CN CN202321039491.1U patent/CN220691066U/en active Active
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