CN221041207U - Square lithium battery capacity-dividing equipment - Google Patents
Square lithium battery capacity-dividing equipment Download PDFInfo
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- CN221041207U CN221041207U CN202320309741.2U CN202320309741U CN221041207U CN 221041207 U CN221041207 U CN 221041207U CN 202320309741 U CN202320309741 U CN 202320309741U CN 221041207 U CN221041207 U CN 221041207U
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- 229910052744 lithium Inorganic materials 0.000 title claims abstract description 54
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 230000017525 heat dissipation Effects 0.000 claims abstract description 29
- 238000012360 testing method Methods 0.000 claims abstract description 23
- 239000000523 sample Substances 0.000 claims description 12
- 239000000779 smoke Substances 0.000 claims description 11
- 230000000694 effects Effects 0.000 abstract description 12
- 238000012423 maintenance Methods 0.000 abstract description 10
- 101100408455 Arabidopsis thaliana PLC7 gene Proteins 0.000 description 17
- 238000012544 monitoring process Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 241001494479 Pecora Species 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides square lithium battery capacity-dividing equipment in the technical field of capacity-dividing components, which comprises: a press bed cabinet; the lithium battery testing units are arranged in the pressure bed cabinet; the electric component arrangement cabinet is arranged at the top end of the pressure bed cabinet; the two bridge wire grooves are arranged at the top end of the pressure bed cabinet; at least two wire arranging devices arranged at the top end of the back surface of the press machine cabinet; the operation button group is arranged on the front surface of the pressure bed cabinet; the alarm lamp is arranged at the top end of the pressure bed cabinet; the air inlet fans are arranged on the left side and the right side of the pressure bed cabinet; the exhaust fans are arranged on the back surface of the pressure bed cabinet; and the PLC is arranged in the electrical part arrangement cabinet and is respectively connected with the lithium battery test unit, the operation button group, the alarm lamp, the air inlet fan and the air exhaust fan. The utility model has the advantages that: the heat dissipation effect and the operation and maintenance convenience of the capacity-dividing equipment are greatly improved.
Description
Technical Field
The utility model relates to the technical field of formation and capacity division, in particular to square lithium battery capacity division equipment.
Background
Before square lithium batteries form a battery pack, the square lithium batteries are required to be subjected to capacity division, namely, the square lithium batteries with the capacity grade not reaching the standard and the quality having problems are eliminated, and the rest square lithium batteries are subjected to classification and grouping. Square lithium batteries with relatively small performance differences can be used in series-parallel connection.
When square lithium batteries are divided, the lower computer controls the capacity dividing equipment to pass large current between the positive electrode and the negative electrode of each square lithium battery, charges and discharges the square lithium battery, reads digital signals and feeds the digital signals back to the upper computer in real time, and calculates data such as capacity, internal resistance and the like of the square lithium battery through the received digital signals, so that the battery grade is determined. In the capacity division process, the square lithium battery can generate heat and heat up, so that the test result is greatly influenced, and the heat up and heat up are too high, so that the quality of the square lithium battery is unqualified and even the square lithium battery burns on fire.
The traditional capacity-dividing equipment has a plurality of unreasonable design and layout, for example, only a few fans are simply arranged on the surface of the capacity-dividing equipment, a specific heat dissipation air duct is not considered, so that the heat dissipation effect is poor, and the back is fully provided with electric components, so that the back maintenance channel is extruded, the difficulty is increased for the maintenance of the capacity-dividing equipment, and the heat dissipation is further limited.
Through searching, the application date is 2022.04.07, and the Chinese patent application number is CN202220794340.6 discloses a chemical component power supply cabinet, which comprises: a cabinet body provided with a plurality of check cabinets; a PLC control board is connected with the check cabinet in a drawing way; at least six high-power fans are symmetrically arranged at the top end of the cabinet body and are electrically connected with the PLC control board; a distribution board which is connected with the grid cabinet in a drawing way and is electrically connected with the PLC control board; a plurality of cabinet doors rotatably connected with the front surface of the cabinet body; the side plate is connected with the top end and the bottom end of the side surface of the cabinet body in a sliding manner; and the dustproof net is arranged between the cabinet body and the side plate. As can be seen from the above description and the accompanying drawings, the patent simply sets several fans only at the top end of the cabinet body, and does not consider a specific heat dissipation air duct, and the cabinet body is fully provided with electrical components, so that the heat dissipation effect and the operation and maintenance convenience are not good.
Therefore, how to provide a square lithium battery capacity-dividing device, to achieve the effect of improving the heat dissipation effect and the convenience of operation and maintenance of the capacity-dividing device, becomes a technical problem to be solved urgently.
Disclosure of Invention
The utility model aims to solve the technical problem of providing square lithium battery capacity-dividing equipment, and the heat dissipation effect and the operation and maintenance convenience of the capacity-dividing equipment are improved.
The utility model is realized in the following way: a square lithium battery capacity-dividing device, comprising:
A press bed cabinet;
the lithium battery testing units are arranged in the pressure bed cabinet;
the electric component arrangement cabinet is arranged at the top end of the pressure bed cabinet;
The two bridge wire grooves are arranged at the top end of the pressure bed cabinet;
at least two wire arranging devices arranged at the top end of the back surface of the press machine cabinet;
the operation button group is arranged on the front surface of the pressure bed cabinet;
The alarm lamp is arranged at the top end of the pressure bed cabinet;
the air inlet fans are arranged on the left side and the right side of the pressure bed cabinet;
the exhaust fans are arranged on the back surface of the pressure bed cabinet;
And the PLC is arranged in the electrical part arrangement cabinet and is respectively connected with the lithium battery test unit, the operation button group, the alarm lamp, the air inlet fan and the air exhaust fan.
Further, the press cabinet includes:
A cabinet body;
The pair of double-open front doors are arranged on the front surface of the cabinet body and are provided with a plurality of observation windows and radiating holes;
Two pairs of double-open side doors are respectively arranged at the left side and the right side of the cabinet body; the air inlet fan is arranged on the side door;
a pair of double-open back doors arranged on the back of the cabinet body; the exhaust fan is arranged on the back door;
And the four foot cups are symmetrically arranged at the bottom end of the cabinet body.
Further, the lithium battery test unit includes:
A lifting frame;
the top frame is arranged at the top end of the lifting frame;
four guide shafts are vertically arranged between the lifting frame and the top frame;
The two cylinders are arranged on the lifting frame, the power output end is connected with the top frame, and the control end is connected with the PLC;
The current probe modules are arranged on the top frame and connected with the PLC;
The temperature probe modules are arranged on the top frame and connected with the PLC;
The plurality of heat dissipation fans are arranged on the lifting frame and connected with the PLC;
The at least one ambient temperature sensor is arranged on the top frame and connected with the PLC;
The at least one CO sensor is arranged on the top frame and connected with the PLC;
the at least one ionic smoke sensor is arranged on the top frame and connected with the PLC;
and the auxiliary fire-fighting pipe is arranged on the top frame.
Further, the operation button group includes at least:
The starting button is arranged on the front surface of the pressure bed cabinet and is connected with the PLC;
the manual-automatic switching button is arranged on the front surface of the pressure bed cabinet and is connected with the PLC;
The reset button is arranged on the front surface of the pressure bed cabinet and is connected with the PLC;
the emergency stop button is arranged on the front surface of the pressure bed cabinet and is connected with the PLC;
The lifting button is arranged on the front surface of the pressure bed cabinet and is connected with the PLC;
And the descending button is arranged on the front surface of the pressure bed cabinet and is connected with the PLC.
Further, the alarm lamp is a three-color alarm lamp.
Further, the method further comprises the following steps:
At least one main fire tube passes through the top end of the pressure bed cabinet from top to bottom and is coiled in the pressure bed cabinet;
And the drain pipe is arranged at the bottom end of the press bed cabinet and is communicated with the interior of the press bed cabinet.
The utility model has the advantages that:
1. The method comprises the steps that a plurality of air inlet fans are arranged on side doors on the left side and the right side of a press machine cabinet, a plurality of air exhaust fans are arranged on a back door of the press machine cabinet, a plurality of heat dissipation holes are formed in a front door of the press machine cabinet, and a plurality of heat dissipation fans are arranged on a lifting frame of a lithium battery test unit, so that cool air enters the interior of the cabinet body from the left side and the right side of the press machine cabinet, exchanges heat with the interior of the cabinet body, and is discharged from the back; through setting up electrical component arrangement cabinet and be used for arranging electrical components such as PLC on the top of press cabinet for the rear portion of press cabinet reserves more spaces and is used for the heat dissipation, combines louvre and radiator fan to disturb the air and quickens the heat dissipation, finally very big promotion the radiating effect of dividing appearance equipment.
2. Through setting up electrical component arrangement cabinet on the top of press cabinet and being used for arranging electrical components such as PLC for the rear portion of press cabinet reserves more spaces, sets up the back door of double open type and is convenient for open and shut, sets up a plurality of observation window at the qianmen and is used for observing inside operation condition, and then very big promotion the fortune dimension convenience of dividing appearance equipment.
3. Through setting up ambient temperature sensor and being used for monitoring ambient temperature, setting up the CO sensor and be used for monitoring CO concentration, setting up the ion type smoke transducer and be used for monitoring smoke concentration, setting up the warning that alarm lamp is used for emergency, setting up main fire control pipe and assisting fire control pipe and being used for putting out a fire when thermal runaway, and then very big promotion the security of partial volume equipment operation.
4. Through setting up the foot cup in the bottom of the cabinet body, not only the horizontality of the adjustable cabinet body, still be convenient for fork truck transplant the volume-dividing equipment.
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 square lithium battery capacity-dividing device according to the present utility model.
Fig. 2 is a second schematic structural diagram of a square lithium battery capacity-dividing device according to the present utility model.
Fig. 3 is a rear view of a square lithium battery capacity-dividing apparatus of the present utility model.
Fig. 4 is a schematic structural view of a lithium battery test unit according to the present utility model.
Fig. 5 is a schematic block diagram of a square lithium battery capacity-dividing device according to the present utility model.
Marking:
100-square lithium battery capacity-dividing equipment, 1-pressure bed cabinet, 2-lithium battery test unit, 3-electrical component arrangement cabinet, 4-bridge wire slot, 5-wire arrangement device, 6-operation button group, 7-alarm lamp, 8-air inlet fan, 9-air exhaust fan, 10-PLC, 20-main fire tube, 30-drain pipe, 11-cabinet body, 12-front door, 13-side door, 14-back door, 15-foot cup, 121-observation window, 122-heat dissipation hole, 21-lifting frame, 22-top frame, 23-guide shaft, 24-cylinder, 25-current probe module, 26-temperature probe module, 27-heat dissipation fan, 281-environment temperature sensor, 282-CO sensor, 283-ion smoke sensor 292, 291-auxiliary fire tube, 61-starting button, 62-hand self-switching button, 63-resetting button, 64-emergency button, 65-lifting button, 66-descending button.
Detailed Description
The embodiment of the utility model solves the technical problems of poor heat dissipation effect and difficult maintenance of the capacity-dividing equipment in the prior art by providing the square lithium battery capacity-dividing equipment 100, and achieves the technical effects of greatly improving the heat dissipation effect and the operation and maintenance convenience of the capacity-dividing equipment.
The technical scheme in the embodiment of the utility model aims to solve the problems, and the overall thought is as follows: the left side and the right side of the press cabinet 1 are provided with a plurality of air inlet fans 8, the back door 14 is provided with a plurality of air exhaust fans 9, the front door 12 is provided with a plurality of heat dissipation holes 122, and the lithium battery test unit 2 is provided with a plurality of heat dissipation fans 27, so that cool air enters from the left side and the right side of the press cabinet 1 and is discharged from the back; an electric component arrangement cabinet 3 is arranged at the top end of the press machine cabinet 1 and used for arranging electric components such as a PLC10 and the like so as to reserve more heat dissipation spaces at the rear part of the press machine cabinet 1, thereby improving the heat dissipation effect of the capacity-dividing equipment 100; more space is reserved at the rear part of the press cabinet 1, the double-opening back door 14 is arranged to be convenient to open and close, and the front door 12 is provided with a plurality of observation windows 121, so that the operation and maintenance convenience of the capacity-dividing equipment 100 is improved.
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 5, a preferred embodiment of a square lithium battery capacity-dividing apparatus 100 according to the present utility model includes:
A press cabinet 1 for carrying the capacity-dividing apparatus 100;
The lithium battery test units 2 are arranged in the press cabinet 1 and are used for carrying out capacity-division test on square lithium batteries (not shown);
An electric component arrangement cabinet 3, which is arranged at the top end of the press bed cabinet 1 and is used for arranging electric components such as the PLC10 and the like so as to save the internal space of the press bed cabinet 1 for heat dissipation;
the two bridge wire grooves 4 are arranged at the top end of the press cabinet 1 and are used for separating strong current from weak current and positive electrode cables from negative electrode cables, so that the rationality of wiring is ensured;
At least two wire arranging devices 5 which are arranged at the top end of the back surface of the press cabinet 1 and are used for arranging wires of cables;
An operation button group 6, which is arranged on the front surface of the press cabinet 1 and is used for controlling the capacity-dividing equipment 100;
An alarm lamp 7, which is arranged at the top end of the press cabinet 1 and is used for indicating the running state of the capacity-dividing equipment 100;
The air inlet fans 8 are arranged on the left side and the right side of the press machine cabinet 1 and are used for air inlet of the capacity-dividing equipment 100;
The exhaust fans 9 are arranged on the back surface of the pressure bed cabinet 1 and used for exhausting air of the capacity-dividing equipment 100 to form air circulation;
A PLC10 is disposed in the electrical component placement cabinet 3 and is respectively connected to the lithium battery test unit 2, the operation button group 6, the alarm lamp 7, the air intake fan 8, and the air exhaust fan 9, so as to control the operation of the capacity division apparatus 100, and in a specific implementation, only a PLC capable of implementing this function is selected from the prior art, and is not limited to any model, and a control program is well known to those skilled in the art, which can be obtained without performing any inventive labor.
The press cabinet 1 includes:
A cabinet 11;
A pair of double-open front doors 12, which are arranged on the front surface of the cabinet 11 and are provided with a plurality of observation windows 121 and heat dissipation holes 122; the front door 12 is used for feeding and discharging square lithium batteries; the observation window 121 is used for observing the operation condition inside the capacity-dividing device 100;
Two pairs of double-opening side doors 13 respectively arranged at the left side and the right side of the cabinet body 11; the air inlet fan 8 is arranged on the side door 13;
A pair of double-open back doors 14 provided on the back surface of the cabinet 11; the exhaust fan 9 is arranged on the back door 14; the back door 14 is locked by a bolt, so that the installation and the maintenance are convenient;
four foot cups 15 are symmetrically arranged at the bottom end of the cabinet body 11.
The lithium battery test unit 2 includes:
A lifting frame 21;
The top frame 22 is arranged at the top end of the lifting frame 21 and is used for linking the current probe module 25 and the temperature probe module 26 to lift so as to perform capacity-dividing test on the square lithium battery;
four guide shafts 23 vertically arranged between the lifting frame 21 and the top frame 22;
The two air cylinders 24 are arranged on the lifting frame 21, the power output end of each air cylinder is connected with the top frame 22, and the control end of each air cylinder is connected with the PLC10 and used for driving the top frame 22 to lift;
the current probe modules 25 are arranged on the top frame 22 and connected with the PLC10, and are used for pressing the poles of the square lithium battery to charge and discharge;
The temperature probe modules 26 are arranged on the top frame 22 and connected with the PLC10, and are used for pressing the shell of the square lithium battery for temperature monitoring;
The plurality of heat dissipation fans 27 are arranged on the lifting frame 21 and connected with the PLC10 for heat dissipation during formation of the square lithium battery;
At least one ambient temperature sensor 281 provided on the top rack 22 and connected to the PLC10 for monitoring an ambient temperature;
At least one CO sensor 282 disposed on the top frame 22 and connected to the PLC10 for monitoring CO concentration;
At least one ionic smoke sensor 283 provided on the top frame 22 and connected to the PLC10 for monitoring smoke concentration;
at least one auxiliary fire tube 291 is provided on the top frame 22.
The lithium battery test unit 2 is also provided with a crime sheep 292 which can be disassembled and assembled as required.
The operation button group 6 includes at least:
A start button 61 provided on the front surface of the press cabinet 1 and connected to the PLC10 for starting the capacity-dividing apparatus 100;
A manual/automatic switching button 62, which is provided on the front surface of the press cabinet 1 and connected to the PLC10, for switching the operation mode of the capacity-dividing apparatus 100;
A reset button 63, which is disposed on the front surface of the press cabinet 1 and connected to the PLC10, for resetting the capacity-dividing apparatus 100;
A scram button 64 provided on the front surface of the press cabinet 1 and connected to the PLC10 for scram of the capacity-dividing apparatus 100;
A lifting button 65 provided on the front surface of the press cabinet 1 and connected to the PLC10 for lifting the top frame 22;
A lowering button 66 provided on the front surface of the press cabinet 1 and connected to the PLC10 for lowering the top frame 22.
In practice, it may be provided that two buttons are pressed simultaneously to perform the corresponding operation, so as to prevent the misoperation, for example, the start button 61 and the down button 66 are pressed simultaneously to start the down of the top frame.
The alarm lamp 7 is a three-color alarm lamp.
Further comprises:
At least one main fire tube 20 passing through the top end of the pressure bed cabinet 1 from top to bottom and coiled inside the pressure bed cabinet 1;
and a drain pipe 30 is arranged at the bottom end of the press machine cabinet 1 and is communicated with the interior of the press machine cabinet 1.
The working principle of the utility model is as follows:
Opening the front door 12, placing a tray (not shown) for loading square lithium batteries in the lithium battery test unit 2, and closing the front door 12; simultaneously, the start button 61 and the up button 65 are pressed, so that the air cylinder 24 drives the lifting frame 21 to be pressed together with the current probe module 25 and the temperature probe module 26, so as to perform capacity-division test on the square lithium battery, and in the process of capacity-division test, the PLC10 controls the air inlet fan 8, the air exhaust fan 9 and the heat dissipation fan 27 to dissipate heat, and the environmental temperature sensor 281, the CO sensor 282 and the ionic smoke sensor 283 are used for monitoring the environmental temperature, the CO concentration and the smoke concentration.
In summary, the utility model has the advantages that:
1. The method comprises the steps that a plurality of air inlet fans are arranged on side doors on the left side and the right side of a press machine cabinet, a plurality of air exhaust fans are arranged on a back door of the press machine cabinet, a plurality of heat dissipation holes are formed in a front door of the press machine cabinet, and a plurality of heat dissipation fans are arranged on a lifting frame of a lithium battery test unit, so that cool air enters the interior of the cabinet body from the left side and the right side of the press machine cabinet, exchanges heat with the interior of the cabinet body, and is discharged from the back; through setting up electrical component arrangement cabinet and be used for arranging electrical components such as PLC on the top of press cabinet for the rear portion of press cabinet reserves more spaces and is used for the heat dissipation, combines louvre and radiator fan to disturb the air and quickens the heat dissipation, finally very big promotion the radiating effect of dividing appearance equipment.
2. Through setting up electrical component arrangement cabinet on the top of press cabinet and being used for arranging electrical components such as PLC for the rear portion of press cabinet reserves more spaces, sets up the back door of double open type and is convenient for open and shut, sets up a plurality of observation window at the qianmen and is used for observing inside operation condition, and then very big promotion the fortune dimension convenience of dividing appearance equipment.
3. Through setting up ambient temperature sensor and being used for monitoring ambient temperature, setting up the CO sensor and be used for monitoring CO concentration, setting up the ion type smoke transducer and be used for monitoring smoke concentration, setting up the warning that alarm lamp is used for emergency, setting up main fire control pipe and assisting fire control pipe and being used for putting out a fire when thermal runaway, and then very big promotion the security of partial volume equipment operation.
4. Through setting up the foot cup in the bottom of the cabinet body, not only the horizontality of the adjustable cabinet body, still be convenient for fork truck transplant the volume-dividing equipment.
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 (2)
1. Square lithium cell divides appearance equipment, its characterized in that: comprising the following steps:
A press bed cabinet;
the lithium battery testing units are arranged in the pressure bed cabinet;
the electric component arrangement cabinet is arranged at the top end of the pressure bed cabinet;
The two bridge wire grooves are arranged at the top end of the pressure bed cabinet;
at least two wire arranging devices arranged at the top end of the back surface of the press machine cabinet;
the operation button group is arranged on the front surface of the pressure bed cabinet;
the alarm lamp is arranged at the top end of the pressure bed cabinet; the alarm lamp is a three-color alarm lamp;
the air inlet fans are arranged on the left side and the right side of the pressure bed cabinet;
the exhaust fans are arranged on the back surface of the pressure bed cabinet;
The PLC is arranged in the electrical part arrangement cabinet and is respectively connected with the lithium battery test unit, the operation button group, the alarm lamp, the air inlet fan and the air exhaust fan;
At least one main fire tube passes through the top end of the pressure bed cabinet from top to bottom and is coiled in the pressure bed cabinet;
the drain pipe is arranged at the bottom end of the press bed cabinet and is communicated with the interior of the press bed cabinet;
The press cabinet includes:
A cabinet body;
The pair of double-open front doors are arranged on the front surface of the cabinet body and are provided with a plurality of observation windows and radiating holes;
Two pairs of double-open side doors are respectively arranged at the left side and the right side of the cabinet body; the air inlet fan is arranged on the side door;
a pair of double-open back doors arranged on the back of the cabinet body; the exhaust fan is arranged on the back door;
The four foot cups are symmetrically arranged at the bottom end of the cabinet body;
The lithium battery test unit includes:
A lifting frame;
the top frame is arranged at the top end of the lifting frame;
four guide shafts are vertically arranged between the lifting frame and the top frame;
The two cylinders are arranged on the lifting frame, the power output end is connected with the top frame, and the control end is connected with the PLC;
The current probe modules are arranged on the top frame and connected with the PLC;
The temperature probe modules are arranged on the top frame and connected with the PLC;
The plurality of heat dissipation fans are arranged on the lifting frame and connected with the PLC;
The at least one ambient temperature sensor is arranged on the top frame and connected with the PLC;
The at least one CO sensor is arranged on the top frame and connected with the PLC;
the at least one ionic smoke sensor is arranged on the top frame and connected with the PLC;
and the auxiliary fire-fighting pipe is arranged on the top frame.
2. The square lithium battery capacity-dividing device according to claim 1, wherein: the operation button group includes at least:
The starting button is arranged on the front surface of the pressure bed cabinet and is connected with the PLC;
the manual-automatic switching button is arranged on the front surface of the pressure bed cabinet and is connected with the PLC;
The reset button is arranged on the front surface of the pressure bed cabinet and is connected with the PLC;
the emergency stop button is arranged on the front surface of the pressure bed cabinet and is connected with the PLC;
The lifting button is arranged on the front surface of the pressure bed cabinet and is connected with the PLC;
And the descending button is arranged on the front surface of the pressure bed cabinet and is connected with the PLC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320309741.2U CN221041207U (en) | 2023-02-24 | 2023-02-24 | Square lithium battery capacity-dividing equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320309741.2U CN221041207U (en) | 2023-02-24 | 2023-02-24 | Square lithium battery capacity-dividing equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221041207U true CN221041207U (en) | 2024-05-28 |
Family
ID=91167513
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320309741.2U Active CN221041207U (en) | 2023-02-24 | 2023-02-24 | Square lithium battery capacity-dividing equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221041207U (en) |
-
2023
- 2023-02-24 CN CN202320309741.2U patent/CN221041207U/en active Active
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