CN219799700U - High-compatibility battery cell OCV (optical code division multiple Access) testing mechanism - Google Patents
High-compatibility battery cell OCV (optical code division multiple Access) testing mechanism Download PDFInfo
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- CN219799700U CN219799700U CN202320455408.2U CN202320455408U CN219799700U CN 219799700 U CN219799700 U CN 219799700U CN 202320455408 U CN202320455408 U CN 202320455408U CN 219799700 U CN219799700 U CN 219799700U
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Abstract
The utility model provides a high-compatibility battery cell OCV test mechanism in the technical field of battery cell test equipment, which comprises: a bearing plate; the battery cell transfer part is arranged at the bottom end of the bearing plate; the movable probe testing part is arranged at the top end of the bearing plate; the battery cell clamping part is arranged at the top end of the bearing plate and is positioned on the side of the movable probe testing part; the right probe testing part is arranged at the top end of the bearing plate and is positioned at the right side of the middle parts of the movable probe testing part and the cell clamping part; and the left probe testing part is arranged at the top end of the bearing plate and is positioned at the left side of the middle parts of the movable probe testing part and the cell clamping part. The utility model has the advantages that: the compatibility and the test precision of the OCV test mechanism are greatly improved, and the cost is greatly reduced.
Description
Technical Field
The utility model relates to the technical field of battery cell testing equipment, in particular to a high-compatibility battery cell OCV testing mechanism.
Background
After the battery cell is formed, capacity-divided and code-attached, an OCV (Open Ci rcu itVo ltage ) test is required to be carried out on the battery cell, and parameters such as K value (voltage drop of the battery cell in unit time, self-discharge rate of the reaction battery cell), voltage, resistance and the like of the battery cell can be obtained through the OCV test, so that the battery cell NG with unqualified electrochemical parameters can be sorted out, and the quality of a finished battery can be ensured.
However, the conventional battery cell OCV test equipment can only perform OCV test on battery cells with specific models/sizes, has poor compatibility, adopts a pure electric or pure pneumatic driving mode, and has high cost and poor precision. Therefore, how to provide a high-compatibility battery cell OCV testing mechanism, to improve the compatibility and the testing precision of the OCV testing mechanism, and to reduce the cost, is a technical problem to be solved urgently.
Disclosure of Invention
The utility model aims to solve the technical problem of providing the high-compatibility battery cell OCV testing mechanism, so that the compatibility and the testing precision of the OCV testing mechanism are improved, and the cost is reduced.
The utility model is realized in the following way: a high compatibility cell OCV test mechanism comprising:
a bearing plate;
the battery cell transfer part is arranged at the bottom end of the bearing plate;
the movable probe testing part is arranged at the top end of the bearing plate;
the battery cell clamping part is arranged at the top end of the bearing plate and is positioned on the side of the movable probe testing part;
the right probe testing part is arranged at the top end of the bearing plate and is positioned at the right side of the middle parts of the movable probe testing part and the cell clamping part;
and the left probe testing part is arranged at the top end of the bearing plate and is positioned at the left side of the middle parts of the movable probe testing part and the cell clamping part.
Further, the battery cell transfer unit includes:
the lifting plate is horizontally arranged above the bearing plate;
the first motor is arranged at the bottom end of the bearing plate;
one end of the coupler is connected with the power output end of the first motor, and the other end of the coupler is connected with the bottom end of the lifting plate;
four linear bearings mounted on the carrier plate;
the four guide shafts are connected with the linear bearings in a sliding manner, and the top ends of the four guide shafts are connected with the lifting plate;
and the limiting blocks are arranged at the top ends of the lifting plates.
Further, the moving probe test unit includes:
the first sliding rail is arranged at the top end of the bearing plate;
the two mobile test units are connected with the first sliding rail in a sliding manner;
and the first ball screw is connected with the two movable test units.
Further, the mobile test unit includes:
the first cylinder mounting plate is connected with the first sliding rail in a sliding manner; the first ball screw is fixed on the first cylinder mounting plate;
the first triaxial cylinder is arranged on the first cylinder mounting plate;
the first probe is connected with the power output end of the first triaxial cylinder;
and the power output end of the second motor is connected with one end of the first ball screw.
Further, the cell clamping unit includes:
the two second sliding rails are arranged at the top end of the bearing plate in parallel;
the clamping mounting plate is connected with the second sliding rail in a sliding manner;
the mounting vertical plate is vertically arranged on the clamping mounting plate;
the clamping plastic plate is horizontally arranged at the top end of the mounting vertical plate;
and the standard air cylinder is arranged at the top end of the bearing plate, and the power output end is connected with the mounting vertical plate.
Further, the right probe test unit includes:
the third sliding rail is arranged at the top end of the bearing plate;
the transfer mounting plate is connected with the third sliding rail in a sliding manner;
the third motor is arranged at the top end of the bearing plate;
one end of the second ball screw is connected with the transfer mounting plate, and the other end of the second ball screw is connected with the power output end of the third motor;
a second triaxial cylinder arranged on the transfer mounting plate;
and the second probe is connected with the power output end of the second triaxial cylinder.
Further, the left probe test unit includes:
the second cylinder mounting plate is vertically arranged at the top end of the bearing plate;
a third triaxial cylinder mounted on the second cylinder mounting plate;
a cylinder shield sheet metal covering the third triaxial cylinder;
the probe support is connected with the power output end of the third triaxial cylinder;
and a third probe is arranged on the probe support.
Further, the method further comprises the following steps:
the plurality of proximity switches are respectively arranged on the bearing plate, the movable probe test part, the battery core clamping part, the right probe test part and the left probe test part;
and the PLC is respectively connected with the battery core transferring part, the mobile probe testing part, the battery core clamping part, the right probe testing part, the left probe testing part and the proximity switch.
The utility model has the advantages that:
through setting up removal probe test portion dress, electric core clamping part dress, right probe test portion dress and left probe test portion dress on the top of backup pad, the first probe accessible first triaxial cylinder of removal probe test portion dress is displaced with the second motor, the second probe accessible second triaxial cylinder of right probe test portion dress is displaced with the third motor, the third probe accessible third triaxial cylinder of left probe test portion dress is displaced, the tight plastic plate accessible standard cylinder of clamp of electric core clamping part dress is displaced, and then press from both sides tight to electric core of equidimension, and press from both sides the probe to on the electric core polar column of equidimension electric core, and owing to combined motor and cylinder, test accuracy and cost have been balanced, final very big promotion OCV testing mechanism's compatibility and test accuracy, very big cost is reduced.
Drawings
The utility model will be further described with reference to examples of embodiments with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a high-compatibility cell OCV test mechanism of the present utility model.
Fig. 2 is a schematic structural view of the cell transfer unit of the present utility model.
FIG. 3 is a schematic diagram of a mobile probe test unit according to the present utility model.
Fig. 4 is a schematic structural view of the cell clamping unit of the present utility model.
FIG. 5 is a schematic view of the structure of the right probe test unit of the present utility model.
FIG. 6 is a schematic diagram of the left probe test unit assembly of the present utility model.
Marking:
100-a high-compatibility battery cell OCV test mechanism, which comprises a 1-bearing plate, a 2-battery cell transferring part, a 3-mobile probe test part, a 4-battery cell clamping part, a 5-right probe test part, a 6-left probe test part, a 21-lifting plate, a 22-first motor, a 23-coupler, a 24-linear bearing, a 25-guide shaft, a 26-limiting block, a 31-first slide rail, a 32-mobile test unit, a 33-first ball screw, a 321-first cylinder mounting plate, a 322-first three-axis cylinder, a 323-first probe, a 324-second motor, a 41-second slide rail, a 42-clamping mounting plate, a 43-mounting vertical plate, a 44-clamping plastic plate, a 45-standard cylinder, a 51-third slide rail, a 52-transferring mounting plate, a 53-third motor, a 54-second ball screw, a 55-second three-axis cylinder, a 61-second cylinder mounting plate, a 62-third three-axis cylinder, a 63-probe support and a 64-third probe.
Detailed Description
According to the embodiment of the utility model, by providing the high-compatibility battery cell OCV testing mechanism 100, the technical problems that battery cell OCV testing equipment in the prior art can only conduct OCV testing on battery cells of specific types/sizes, the compatibility is poor, a pure electric or pure pneumatic driving mode is adopted, the cost of the pure electric driving mode is high, the precision of the pure pneumatic driving mode is poor are solved, the compatibility and the testing precision of the OCV testing mechanism are greatly improved, and the cost is greatly reduced are solved.
The technical scheme in the embodiment of the utility model aims to solve the problems, and the overall thought is as follows: the top end of the supporting plate 1 is provided with the movable probe test part 3, the battery core clamping part 4, the right probe test part 5 and the left probe test part 6, and the battery cores with different sizes are clamped by combining the motor and the air cylinder, so that the probes are moved to the pole positions corresponding to the battery cores with different sizes, the compatibility and the test precision of the OCV test mechanism are improved, and the cost is reduced.
In order to better understand the above technical solutions, the following detailed description will refer to the accompanying drawings and specific embodiments.
Referring to fig. 1 to 6, a preferred embodiment of a high-compatibility cell OCV testing mechanism 100 according to the present utility model comprises:
a carrying board 1 for carrying the battery cell OCV test mechanism 100;
the battery cell transferring part 2 is arranged at the bottom end of the bearing plate 1 and is used for lifting the battery cell to match with a proper test position;
a moving probe testing part 3 provided at the top end of the carrier plate 1 for moving the first probe 323 to match the position of the post of the cell (not shown);
the battery cell clamping part 4 is arranged at the top end of the bearing plate 1 and is positioned on the side of the movable probe testing part 3 and used for clamping the battery cell;
a right probe testing part 5 arranged at the top end of the bearing plate 1 and positioned at the right side of the middle parts of the movable probe testing part 3 and the cell clamping part 4, and used for pressing the second probe on a pole column at the right side of the cell;
and a left probe testing part 6 arranged at the top end of the bearing plate 1 and positioned at the left side of the middle parts of the movable probe testing part 3 and the cell clamping part 4, and used for pressing the third probe 64 on the pole column at the left side of the cell.
The battery cell transfer unit 2 includes:
a lifting plate 21 horizontally arranged above the bearing plate 1;
a first motor 22, disposed at the bottom end of the carrying plate 1, for driving the lifting plate 21 to lift;
one end of a coupling 23 is connected with the power output end of the first motor 22, and the other end of the coupling is connected with the bottom end of the lifting plate 21, so as to transmit the power of the first motor 22 to the lifting plate 21;
four linear bearings 24 mounted on the carrier plate 1;
four guide shafts 25 slidably connected to the linear bearings 24, and having tips connected to the lifting plate 21 for guiding the lifting plate 21 to lift;
and a plurality of limiting blocks 26 are arranged at the top end of the lifting plate 21 and used for limiting the battery cells.
The moving probe test unit 3 includes:
the first sliding rail 31 is arranged at the top end of the bearing plate 1 and is used for limiting sliding of the mobile test unit 32;
two movable test units 32 slidably connected to the first slide rail 31;
a first ball screw 33 connects the two movable test units 32.
The mobile test unit 32 includes:
a first cylinder mounting plate 321 slidably connected to the first slide rail 31; the first ball screw 33 is fixed on the first cylinder mounting plate 321;
a first triaxial cylinder 322 disposed on the first cylinder mounting plate 321;
the first probe 323 is connected with the power output end of the first triaxial cylinder 322 and is used for pressing the pole column on the side face of the battery cell;
a second motor 324, a power output end is connected to one end of the first ball screw 33, for driving the first cylinder mounting plate 321 to displace.
The cell clamping part 4 comprises:
two second sliding rails 41, which are parallel to the top end of the carrying plate 1 and are used for limiting and sliding the clamping mounting plate 42;
a clamping mounting plate 42 slidably connected to the second rail 41;
a mounting riser 43 mounted vertically to the clamp mounting plate 42;
a clamping plastic plate 44 horizontally arranged at the top end of the mounting vertical plate 43 for clamping the battery cell;
and a standard cylinder 45 is arranged at the top end of the bearing plate 1, and the power output end is connected with the mounting vertical plate 43.
The right probe test unit 5 includes:
a third sliding rail 51, which is disposed at the top end of the bearing plate 1;
a transfer mounting plate 52 slidably connected to the third slide rail 51;
a third motor 53 disposed at the top end of the carrier plate 1;
one end of a second ball screw 54 is connected with the transfer mounting plate 52, and the other end is connected with the power output end of the third motor 53;
a second triaxial cylinder 55 provided on the transfer mounting plate 52;
a second probe (not shown) is connected to the power output end of the second triaxial cylinder 55, and the displacement of the X-axis and the Y-axis is performed by the third motor 53 and the second triaxial cylinder 55.
The left probe test unit 6 includes:
a second cylinder mounting plate 61 vertically disposed at the top end of the carrier plate 1;
a third triaxial cylinder 62 mounted on the second cylinder mounting plate 61;
a probe support 63 connected to the power output end of the third triaxial cylinder 62;
a third probe 64 is mounted on the probe support 63.
Further comprises:
a plurality of proximity switches (not shown) respectively arranged on the bearing plate 1, the movable probe test part assembly 3, the battery core clamping part assembly 4, the right probe test part assembly 5 and the left probe test part assembly 6 for sensing movement strokes;
a PLC (not shown) connected to the cell transfer unit 2, the moving probe test unit 3, the cell clamping unit 4, the right probe test unit 5, the left probe test unit 6, and the proximity switch, respectively; the PLC is used to control the operation of the cell OCV test mechanism 100, and in practice, the PLC is selected from the prior art to achieve this function, and is not limited to any type, and the control program is well known to those skilled in the art, and can be obtained by those skilled in the art without any inventive effort.
The working principle of the utility model is as follows:
placing the battery cell to be tested on the lifting plate 21, wherein the PLC controls the battery cell clamping part 4 to clamp the battery cell until a proximity switch arranged on the battery cell clamping part 4 senses that the battery cell is clamped in place; the PLC controls the movable probe test unit 3, the right probe test unit 5 or the left probe test unit 6 to perform displacement of the X axis and the Y axis, so as to link the first probe 323, the second probe or the third probe 64 to be pressed on the post of the electric core, and further perform OCV test on the electric core.
In summary, the utility model has the advantages that:
through setting up removal probe test portion dress, electric core clamping part dress, right probe test portion dress and left probe test portion dress on the top of backup pad, the first probe accessible first triaxial cylinder of removal probe test portion dress is displaced with the second motor, the second probe accessible second triaxial cylinder of right probe test portion dress is displaced with the third motor, the third probe accessible third triaxial cylinder of left probe test portion dress is displaced, the tight plastic plate accessible standard cylinder of clamp of electric core clamping part dress is displaced, and then press from both sides tight to electric core of equidimension, and press from both sides the probe to on the electric core polar column of equidimension electric core, and owing to combined motor and cylinder, test accuracy and cost have been balanced, final very big promotion OCV testing mechanism's compatibility and test accuracy, very big cost is reduced.
While specific embodiments of the utility model have been described above, it will be appreciated by those skilled in the art that the specific embodiments described are illustrative only and not intended to limit the scope of the utility model, and that equivalent modifications and variations of the utility model in light of the spirit of the utility model will be covered by the claims of the present utility model.
Claims (8)
1. The utility model provides a high compatibility electricity core OCV accredited testing organization which characterized in that: comprising the following steps:
a bearing plate;
the battery cell transfer part is arranged at the bottom end of the bearing plate;
the movable probe testing part is arranged at the top end of the bearing plate;
the battery cell clamping part is arranged at the top end of the bearing plate and is positioned on the side of the movable probe testing part;
the right probe testing part is arranged at the top end of the bearing plate and is positioned at the right side of the middle parts of the movable probe testing part and the cell clamping part;
and the left probe testing part is arranged at the top end of the bearing plate and is positioned at the left side of the middle parts of the movable probe testing part and the cell clamping part.
2. The high compatibility cell OCV test mechanism of claim 1 wherein: the battery cell transfer part comprises:
the lifting plate is horizontally arranged above the bearing plate;
the first motor is arranged at the bottom end of the bearing plate;
one end of the coupler is connected with the power output end of the first motor, and the other end of the coupler is connected with the bottom end of the lifting plate;
four linear bearings mounted on the carrier plate;
the four guide shafts are connected with the linear bearings in a sliding manner, and the top ends of the four guide shafts are connected with the lifting plate;
and the limiting blocks are arranged at the top ends of the lifting plates.
3. The high compatibility cell OCV test mechanism of claim 1 wherein: the moving probe test unit includes:
the first sliding rail is arranged at the top end of the bearing plate;
the two mobile test units are connected with the first sliding rail in a sliding manner;
and the first ball screw is connected with the two movable test units.
4. A high compatibility cell OCV test mechanism as recited in claim 3 wherein: the mobile test unit includes:
the first cylinder mounting plate is connected with the first sliding rail in a sliding manner; the first ball screw is fixed on the first cylinder mounting plate;
the first triaxial cylinder is arranged on the first cylinder mounting plate;
the first probe is connected with the power output end of the first triaxial cylinder;
and the power output end of the second motor is connected with one end of the first ball screw.
5. The high compatibility cell OCV test mechanism of claim 1 wherein: the electric core clamping part dress includes:
the two second sliding rails are arranged at the top end of the bearing plate in parallel;
the clamping mounting plate is connected with the second sliding rail in a sliding manner;
the mounting vertical plate is vertically arranged on the clamping mounting plate;
the clamping plastic plate is horizontally arranged at the top end of the mounting vertical plate;
and the standard air cylinder is arranged at the top end of the bearing plate, and the power output end is connected with the mounting vertical plate.
6. The high compatibility cell OCV test mechanism of claim 1 wherein: the right probe test unit includes:
the third sliding rail is arranged at the top end of the bearing plate;
the transfer mounting plate is connected with the third sliding rail in a sliding manner;
the third motor is arranged at the top end of the bearing plate;
one end of the second ball screw is connected with the transfer mounting plate, and the other end of the second ball screw is connected with the power output end of the third motor;
a second triaxial cylinder arranged on the transfer mounting plate;
and the second probe is connected with the power output end of the second triaxial cylinder.
7. The high compatibility cell OCV test mechanism of claim 1 wherein: the left probe test unit includes:
the second cylinder mounting plate is vertically arranged at the top end of the bearing plate;
a third triaxial cylinder mounted on the second cylinder mounting plate;
a cylinder shield sheet metal covering the third triaxial cylinder;
the probe support is connected with the power output end of the third triaxial cylinder;
and a third probe is arranged on the probe support.
8. The high compatibility cell OCV test mechanism of claim 1 wherein: further comprises:
the plurality of proximity switches are respectively arranged on the bearing plate, the movable probe test part, the battery core clamping part, the right probe test part and the left probe test part;
and the PLC is respectively connected with the battery core transferring part, the mobile probe testing part, the battery core clamping part, the right probe testing part, the left probe testing part and the proximity switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320455408.2U CN219799700U (en) | 2023-03-10 | 2023-03-10 | High-compatibility battery cell OCV (optical code division multiple Access) testing mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320455408.2U CN219799700U (en) | 2023-03-10 | 2023-03-10 | High-compatibility battery cell OCV (optical code division multiple Access) testing mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219799700U true CN219799700U (en) | 2023-10-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320455408.2U Active CN219799700U (en) | 2023-03-10 | 2023-03-10 | High-compatibility battery cell OCV (optical code division multiple Access) testing mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219799700U (en) |
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2023
- 2023-03-10 CN CN202320455408.2U patent/CN219799700U/en active Active
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