CN115792686A - CVTN (continuously variable transmission) testing device and testing method of battery module - Google Patents
CVTN (continuously variable transmission) testing device and testing method of battery module Download PDFInfo
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- CN115792686A CN115792686A CN202211532191.7A CN202211532191A CN115792686A CN 115792686 A CN115792686 A CN 115792686A CN 202211532191 A CN202211532191 A CN 202211532191A CN 115792686 A CN115792686 A CN 115792686A
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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 invention discloses a CVTN testing device and a CVTN testing method of a battery module, which comprise a control box body, a testing box body and a temperature control system, wherein the control box body is fixedly connected with the left side of the testing box body, supporting legs are fixedly connected with the bottoms of the control box body and the testing box body, the testing box body is divided into an upper layer and a lower layer, a live simulation mechanism is arranged in the upper layer of the testing box body, the live simulation mechanism comprises a base, the base is fixedly connected with the top of the control box body, the bottom of the base is fixedly connected with a left sliding sleeve and a right sliding sleeve, and the inner surface of each sliding sleeve is connected with a sliding rod in a sliding mode. According to the CVTN testing device and the CVTN testing method for the battery module, the input motor is started to enable the bidirectional threaded rod to rotate, so that the distance between the two first mounting frames is adjusted, the distance between the two second mounting frames is manually adjusted, the battery packs of different sizes can be tested, and after the CVTN testing device and the CVTN testing method for the battery module are installed, the supporting plate is made to vibrate up and down by starting the vibration motor.
Description
Technical Field
The invention relates to the technical field of battery modules, in particular to a CVTN testing device and a CVTN testing method of a battery module.
Background
The lithium battery module is an important component of a battery pack in a new energy automobile, and the energy density, capacity, voltage and other performances of the battery are key factors influencing the endurance mileage, service life, safety and reliability of the battery pack in the new energy automobile.
The existing CVTN testing device only carries out detection testing on a single battery module, but does not carry out detection on the working condition after a plurality of battery modules are assembled together to form a battery pack, and in addition, the detection of the battery under different working conditions is not sufficient.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a CVTN testing device and a CVTN testing method for a battery module, and solves the problems that the existing testing device does not detect the condition of the assembled battery module and the working condition of the battery under different working conditions needs to be detected.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides a CVTN testing arrangement of battery module, includes control box, test box and temperature control system, the left side fixed connection of control box and test box, the equal fixedly connected with supporting legs in bottom of control box and test box, its characterized in that: the test box body divide into two-layer from top to bottom, test box body's upper strata inside is provided with live simulation mechanism, live simulation mechanism includes the base, the top fixed connection of base and control box, two sliding sleeves about the bottom fixedly connected with of base, the internal surface sliding connection of sliding sleeve has the slide bar, two the bottom fixedly connected with backup pad of slide bar, the surface cover that the slide bar is located between the relative one side of sliding sleeve and backup pad is equipped with vibrating spring, two first motor casees around the top fixedly connected with of backup pad, the inside fixedly connected with vibrating motor of first motor case, vibrating motor's output runs through first motor case and extends to first motor case outside, vibrating motor's output fixedly connected with semicircle dish, the below of backup pad is provided with the installation component.
Preferably, dress subassembly is including seting up first spacing groove and the second spacing groove in the backup pad inside, first spacing groove is located the place ahead of second spacing groove, it is connected with the two-way threaded rod to rotate between the left side of first spacing inslot wall and the right side, fixedly connected with guide arm between the left side of second spacing inslot wall and the right side, the both sides threaded connection on two-way threaded rod surface has first connecting block, two second connecting blocks about the sliding surface of guide arm is connected with, first connecting block runs through to the first mounting bracket of the equal fixedly connected with of one end of backup pad below with the second connecting block, and the spout has been seted up to the bottom of backup pad, the spout passes through connecting block and spout internal surface sliding connection, the equal sliding connection in front and the back of first mounting bracket has the second mounting bracket, the right side fixedly connected with second motor case of backup pad, the right side fixedly connected with input motor of second motor incasement wall, input motor's output and the one end fixed connection of two-way threaded rod.
Preferably, the bottom of test box inner wall is fixed to push up and is connected with about two pneumatic cylinders, two the equal fixedly connected with workstation of output of pneumatic cylinder, two hydraulic press about the top fixedly connected with of workstation, two the equal fixedly connected with push pedal of output of hydraulic press, the top sliding connection of push pedal and workstation.
Preferably, temperature control system sets up in the lower floor of test box, temperature control system includes condenser, buffer tank and flow valve, fixed connection between the top of condenser and test box lower floor inner wall and the top, the right side fixedly connected with protective housing of test box upper inner wall, the fixedly connected with evaporimeter between the top of protective housing inner wall and the bottom, the inside of protective housing is provided with the fan, the bottom fixedly connected with compressor of test box inner wall.
Preferably, the liquid outlet intercommunication of connecting pipe and compressor is passed through to the inlet of condenser, the liquid outlet of condenser passes through the connecting pipe and is connected with the inlet of buffer tank, the liquid outlet of buffer tank passes through the connecting pipe and is connected with the inlet of flow valve.
Preferably, the flow valve liquid outlet is connected with the inlet of evaporimeter through the connecting pipe, the liquid outlet of evaporimeter is connected with another inlet of flow valve through the connecting pipe, the liquid outlet of flow valve passes through the connecting pipe and is connected with the inlet of compressor.
Preferably, a plurality of semicircular grooves are formed in the top of the workbench at equal intervals, balls are arranged in the semicircular grooves, a signal access end of the control box body is connected with a battery pack plug and two battery module column head clamps, the battery pack plug and the battery module column head clamps are both located in the test box body, and a controller is arranged on the front face of the control box body.
The invention also discloses a testing method of the CVTN testing device of the battery module, which specifically comprises the following steps:
the method comprises the following steps: the battery module is firstly detected, the column head clamp of the battery module is clamped on the column head of the battery module, so that the current, the voltage and the capacity of a single battery module are detected, and the battery module is assembled after the detection is finished.
Step two: after assembling into the battery package, place the top of workstation with battery package whole, start the hydraulic press earlier, two hydraulic press work make two push pedals draw close to the centre to carry out the centering to the battery package, the ball that sets up on the workstation can make things convenient for the position of battery to remove.
Step three: after the centering of battery package is accomplished, be connected battery package plug and battery package, then start input motor, input motor rotates and drives two-way threaded rod and rotate, two-way threaded rod rotates and drives two first connecting blocks and move to the centre or to both sides, thereby adjust the distance between two first mounting brackets, at the distance of manual adjustment second mounting bracket, thereby with the size phase-match of battery package, then start the pneumatic cylinder, pneumatic cylinder work promotes the workstation and upwards moves, thereby make the mounting hole of battery package and first mounting bracket, the mounting hole on the second mounting bracket corresponds, and install through mounting bolt, start vibrating motor earlier, vibrating motor rotates and drives the semicircle dish and rotates, and make the backup pad vibrate from top to bottom through the vibrating spring cooperation, and drive battery package vibration from top to bottom, thereby simulate out the sight of car through jolting the road surface, thereby detect, this item detects the completion back, start temperature control system, thereby simulate out extremely cold and extremely hot condition, detect and test the operating condition of battery package again.
Advantageous effects
The invention provides a CVTN testing device and a CVTN testing method of a battery module. Compared with the prior art, the method has the following beneficial effects:
1. this CVTN testing arrangement and test method of battery module, upper strata through the test box is inside to be provided with live analog mechanism, live analog mechanism includes the base, the top fixed connection of base and control box, two sliding sleeves about the bottom fixedly connected with of base, start input motor and make two-way threaded rod rotate, thereby adjust the distance between two first mounting brackets, and the distance between two second mounting brackets of manual adjustment, thereby can test not unidimensional battery package, after the installation, and make the backup pad vibrate from top to bottom through starting vibrating motor, thereby the simulation car traveles and is jolting the road surface condition, thereby the operating condition to the battery and the installation stability of battery package test.
2. According to the CVTN testing device and the CVTN testing method for the battery module, the left hydraulic cylinder and the right hydraulic cylinder are fixedly connected to the bottom of the inner wall of the testing box body in a jacking mode, the output ends of the two hydraulic cylinders are fixedly connected with the workbench, the left hydraulic press and the right hydraulic press are fixedly connected to the top of the workbench, the battery pack is jacked up through the hydraulic cylinders and the workbench when the battery pack is installed, the push plate is pushed through the hydraulic presses to enable the battery pack to be centered, and therefore the CVTN testing device and the CVTN testing method for the battery module are convenient to install.
3. According to the CVTN testing device and the CVTN testing method of the battery module, the temperature control system is arranged in the lower layer of the testing box body and comprises the condenser, the buffer tank and the flow valve, the condenser is fixedly connected with the top of the inner wall of the lower layer of the testing box body, the temperature inside the testing box body is controlled through the temperature control system, and therefore the working condition of the battery under the extreme cold and extreme hot conditions is simulated, and the diversity of testing results is improved.
Drawings
FIG. 1 is a schematic external view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is a side cross-sectional view of the present invention;
FIG. 4 is a bottom view of the support plate of the present invention;
FIG. 5 is a side cross-sectional view of the support plate of the present invention;
FIG. 6 is a partial schematic view of the inventive table.
In the figure: the device comprises a control box body 1, a test box body 2, a supporting foot 3, a temperature control system 4, a condenser 41, a buffer tank 42, a flow valve 43, a protective box 44, an evaporator 45, a fan 46, a compressor 47, a live simulation mechanism 5, a base 51, a sliding sleeve 52, a sliding rod 53, a supporting plate 54, a vibrating spring 55, a first motor box 56, a vibrating motor 57, a semicircular disc 58, a mounting component 6, a first limiting groove 61, a second limiting groove 62, a bidirectional threaded rod 63, a guide rod 64, a first connecting block 65, a second connecting block 66, a sliding groove 67, a first mounting frame 68, a second mounting frame 69, a second motor box 610, an input motor 611, a hydraulic cylinder 7, a workbench 8, a hydraulic press 9, a push plate 10, a battery pack plug 11, a battery module column head clamp 12, a controller 13, a semicircular groove 14 and a ball 15.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: the utility model provides a CVTN testing arrangement of battery module, including control box 1, test box 2 and temperature control system 4, control box 1 and test box 2's left side fixed connection, control box 1 and test box 2's the equal fixedly connected with supporting legs 3 in bottom, test box 2 divide into two-layer from top to bottom, the inside live analog mechanism 5 that is provided with of upper strata of test box 2, live analog mechanism 5 includes base 51, base 51 and control box 1's top fixed connection, two sliding sleeves 52 about base 51's the bottom fixedly connected with, sliding sleeve 52's internal surface sliding connection has slide bar 53, two sliding bar 53's bottom fixedly connected with backup pad 54, slide bar 53 is located the surperficial cover between sliding sleeve 52 and the relative one side of backup pad 54 and is equipped with vibrating spring 55, two first motor casees 56 around the top fixedly connected with of backup pad 54, the inside fixedly connected with vibrating motor 57 of first motor case 56, vibrating motor 57's output runs through first motor case 56 and extends to first motor case 56 outside, vibrating motor 57's output fixedly connected with semicircle dish 58, the below of backup pad 54 is provided with installation component 6.
The mounting assembly 6 comprises a first limiting groove 61 and a second limiting groove 62 which are arranged inside the supporting plate 54, the first limiting groove 61 is located in front of the second limiting groove 62, a bidirectional threaded rod 63 is connected between the left side and the right side of the inner wall of the first limiting groove 61 in a rotating mode, a guide rod 64 is fixedly connected between the left side and the right side of the inner wall of the second limiting groove 62, a first connecting block 65 is connected to the two sides of the surface of the bidirectional threaded rod 63 in a threaded mode, two second connecting blocks 66 are connected to the surface of the guide rod 64 in a sliding mode, the first connecting block 65 and the second connecting block 66 penetrate through a first mounting frame 68 fixedly connected to the one end of the lower portion of the supporting plate 54, a sliding groove 67 is formed in the bottom of the supporting plate 54, the sliding groove 67 is connected with the inner surface of the sliding groove 67 through a connecting block, a second mounting frame 69 is connected to the front surface and the back surface of the first mounting frame 68 in a sliding mode, a second motor box 610 is fixedly connected to the right side of the supporting plate 54, an input motor 611 is fixedly connected to the right side of the inner wall of the second motor box 610, and the output end of the input motor 611 is fixedly connected to one end of the bidirectional threaded rod 63.
Two pneumatic cylinders 7 about the bottom of 2 inner walls of test box is connected with firmly, the equal fixedly connected with workstation 8 of output of two pneumatic cylinders 7, two hydraulic press 9 about the top fixedly connected with of workstation 8, the equal fixedly connected with push pedal 10 of output of two hydraulic press 9, push pedal 10 and the top sliding connection of workstation 8.
Temperature control system 4 sets up in the lower floor of test box 2, temperature control system 4 can simulate out the ambient temperature scope and be-30 ℃ -50 ℃, temperature control system 4 includes condenser 41, buffer tank 42 and flow valve 43, fixed connection between the top of condenser 41 and test box 2 lower floor inner wall and the top, the right side fixedly connected with guard box 44 of test box 2 upper inner wall, fixedly connected with evaporimeter 45 between the top of guard box 44 inner wall and the bottom, the inside of guard box 44 is provided with fan 46, the bottom fixedly connected with compressor 47 of test box 2 inner wall.
The liquid inlet of the condenser 41 is communicated with the liquid outlet of the compressor 47 through a connecting pipe, the liquid outlet of the condenser 41 is connected with the liquid inlet of the buffer tank 42 through a connecting pipe, and the liquid outlet of the buffer tank 42 is connected with the liquid inlet of the flow valve 43 through a connecting pipe.
The flow valve 43 liquid outlet is connected with the inlet of evaporimeter 45 through the connecting pipe, and the liquid outlet of evaporimeter 45 is connected with another inlet of flow valve 43 through the connecting pipe, and the liquid outlet of flow valve 43 is connected with the inlet of compressor 47 through the connecting pipe.
A plurality of semicircular grooves 14 are formed in the top of the workbench 8 at equal intervals, balls 15 are arranged inside the semicircular grooves 14, a signal access end of the control box body 1 is connected with a battery pack plug 11 and two battery module column head clamps 12, and the battery pack plug 11 and the battery module column head clamps 12 are both located on the front face of the internal control box body 1 of the test box body 2 and are provided with a controller 13.
The invention also discloses a testing method of the CVTN testing device of the battery module, which specifically comprises the following steps:
the method comprises the following steps: the battery module is detected firstly, the column head clamp 12 of the battery module is clamped on the column head of the battery module, so that the current, the voltage and the capacity of a single battery module are detected, and the battery module is assembled after the detection is finished.
Step two: after assembling into the battery package, place the top of workstation 8 with the battery package is whole, start hydraulic press 9 earlier, two hydraulic press 9 works and make two push pedal 10 draw close to the centre to carry out the centering to the battery package, the ball 15 that sets up on the workstation 8 can make things convenient for the position of battery to remove.
Step three: after the centering of the battery pack is completed, the battery pack plug 11 is connected with the battery pack, then the input motor 611 is started, the input motor 611 rotates to drive the bidirectional threaded rod 63 to rotate, the bidirectional threaded rod 63 rotates to drive the two first connecting blocks 65 to move towards the middle or towards two sides, so that the distance between the two first mounting frames 68 is adjusted, the distance between the second mounting frames 69 is manually adjusted, so that the distance is matched with the size of the battery pack, then the hydraulic cylinder 7 is started, the hydraulic cylinder 7 works to push the workbench 8 to move upwards, so that the mounting holes of the battery pack correspond to the mounting holes on the first mounting frames 68 and the second mounting frames 69 and are mounted through mounting bolts, the vibration motor 57 is started first, the vibration motor 57 rotates to drive the semicircular disc 58 to rotate, the supporting plate 54 is made to vibrate up and down through the cooperation of the vibration spring 55 and the battery pack is driven to vibrate up and down, so that the situation that an automobile passes through a bumpy road surface is simulated, so that the detection is performed, after the detection is completed, the temperature control system 4 is started, so that the extreme cold and the extreme heat condition is simulated, and then the working condition of the battery pack is detected and tested.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a CVTN testing arrangement of battery module, includes control box (1), test box (2) and temperature control system (4), the left side fixed connection of control box (1) and test box (2), the equal fixedly connected with supporting legs (3) in bottom of control box (1) and test box (2), its characterized in that: test box (2) divide into about two-layerly, the inside live simulation mechanism (5) that is provided with of upper strata of test box (2), live simulation mechanism (5) include base (51), the top fixed connection of base (51) and control box (1), two sliding sleeve (52) about the bottom fixedly connected with of base (51), the internal surface sliding connection of sliding sleeve (52) has slide bar (53), two the bottom fixedly connected with backup pad (54) of slide bar (53), the surface cover that slide bar (53) are located between sliding sleeve (52) and backup pad (54) one side relatively is equipped with vibrating spring (55), two first motor case (56) around the top fixedly connected with of backup pad (54), first motor case (56) inside fixedly connected with vibrating motor (57), the output of vibrating motor (57) runs through first motor case (56) and extends to first motor case (56) outside, the output fixedly connected with semicircle dish (58) of vibrating motor (57), the below of backup pad (54) is provided with installation component (6).
2. The CVTN testing apparatus of a battery module according to claim 1, characterized in that: the mounting component (6) comprises a first limiting groove (61) and a second limiting groove (62) which are arranged in the supporting plate (54), the first limit groove (61) is positioned in front of the second limit groove (62), a bidirectional threaded rod (63) is rotatably connected between the left side and the right side of the inner wall of the first limit groove (61), a guide rod (64) is fixedly connected between the left side and the right side of the inner wall of the second limit groove (62), two sides of the surface of the bidirectional threaded rod (63) are in threaded connection with first connecting blocks (65), the surface of the guide rod (64) is connected with a left second connecting block and a right second connecting block (66) in a sliding way, the first connecting block (65) and the second connecting block (66) penetrate through one end of the lower part of the supporting plate (54) and are fixedly connected with a first mounting frame (68), the bottom of the supporting plate (54) is provided with a sliding groove (67), the sliding groove (67) is connected with the inner surface of the sliding groove (67) in a sliding way through a connecting block, the front surface and the back surface of the first mounting rack (68) are both connected with a second mounting rack (69) in a sliding way, the right side of the supporting plate (54) is fixedly connected with a second motor box (610), the right side of the inner wall of the second motor box (610) is fixedly connected with an input motor (611), the output end of the input motor (611) is fixedly connected with one end of the bidirectional threaded rod (63).
3. The CVTN testing apparatus of a battery module according to claim 2, characterized in that: two pneumatic cylinder (7), two about the bottom of test box (2) inner wall is connected with admittedly the top two pneumatic cylinder (7) of control the equal fixedly connected with workstation (8) of output of pneumatic cylinder (7), two hydraulic press (9) about the top fixedly connected with of workstation (8), two the equal fixedly connected with push pedal (10) of output of hydraulic press (9), the top sliding connection of push pedal (10) and workstation (8).
4. The CVTN testing apparatus of a battery module according to claim 3, characterized in that: temperature control system (4) set up in the lower floor of test box (2), temperature control system (4) include condenser (41), buffer tank (42) and flow valve (43), fixed connection between the top of condenser (41) and test box (2) lower floor inner wall and the top, the right side fixedly connected with guard box (44) of test box (2) upper strata inner wall, fixedly connected with evaporimeter (45) between the top of guard box (44) inner wall and the bottom, the inside of guard box (44) is provided with fan (46), the bottom fixedly connected with compressor (47) of test box (2) inner wall.
5. The CVTN testing apparatus of a battery module according to claim 4, characterized in that: the inlet of condenser (41) passes through the liquid outlet intercommunication of connecting pipe and compressor (47), the liquid outlet of condenser (41) passes through the connecting pipe and is connected with the inlet of buffer tank (42), the liquid outlet of buffer tank (42) passes through the connecting pipe and is connected with the inlet of flow valve (43).
6. The CVTN testing apparatus of a battery module according to claim 5, characterized in that: the liquid outlet of flow valve (43) is connected with the inlet of evaporimeter (45) through the connecting pipe, the liquid outlet of evaporimeter (45) is connected with another inlet of flow valve (43) through the connecting pipe, the liquid outlet of flow valve (43) is connected with the inlet of compressor (47) through the connecting pipe.
7. The CVTN testing apparatus of a battery module according to claim 6, characterized in that: a plurality of semicircular grooves (14) have been seted up to the top equidistance of workstation (8), semicircular groove (14) inside is provided with ball (15), the signal access end of control box (1) is connected with battery package plug (11) and two battery module column cap anchor clamps (12), battery package plug (11) all are located the inside of test box (2) with battery module column cap anchor clamps (12) the front of control box (1) is provided with controller (13).
8. The testing method of the CVTN testing apparatus for battery modules according to claim 7, characterized in that: the method specifically comprises the following steps:
the method comprises the following steps: the battery module is detected firstly, the column head clamp (12) of the battery module is clamped on the column head of the battery module, so that the current, the voltage and the capacity of a single battery module are detected, and the battery module is assembled after the detection is finished.
Step two: after assembling into the battery package, place the top of workstation (8) with the battery package is whole, start hydraulic press (9) earlier, two hydraulic press (9) work make two push pedal (10) draw close to the centre to carry out the centering to the battery package, ball (15) that set up on workstation (8) can make things convenient for the position of battery to remove.
Step three: after the centering of battery package is accomplished, be connected battery package plug (11) with the battery package, then start input motor (611), input motor (611) rotate and drive two-way threaded rod (63) and rotate, two-way threaded rod (63) rotate and drive two first connecting block (65) to centre or to both sides removal, thereby adjust the distance between two first mounting bracket (68), the distance at manual adjustment second mounting bracket (69), thereby with the size phase-match of battery package, start hydraulic cylinder (7) after that, pneumatic cylinder (7) work promotes workstation (8) rebound, thereby make the mounting hole and first mounting bracket (68) of battery package, the mounting hole on second mounting bracket (69) correspond, and install through mounting bolt, start vibrating motor (57) earlier, vibrating motor (57) rotate and drive half-round disc (58) and rotate, and make backup pad (54) vibrate from top to bottom through vibrating spring (55) cooperation, and drive battery package vibration from top to bottom, thereby simulate out the car through the road surface of jolting, thereby detect, this item detects the back, start-up system (4), thereby detect the extremely hot condition of control and detect the battery again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211532191.7A CN115792686A (en) | 2022-12-01 | 2022-12-01 | CVTN (continuously variable transmission) testing device and testing method of battery module |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211532191.7A CN115792686A (en) | 2022-12-01 | 2022-12-01 | CVTN (continuously variable transmission) testing device and testing method of battery module |
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| CN115792686A true CN115792686A (en) | 2023-03-14 |
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| CN202211532191.7A Pending CN115792686A (en) | 2022-12-01 | 2022-12-01 | CVTN (continuously variable transmission) testing device and testing method of battery module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116699426A (en) * | 2023-08-01 | 2023-09-05 | 西安咏空电子科技有限公司 | Battery pack performance detection system and method |
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2022
- 2022-12-01 CN CN202211532191.7A patent/CN115792686A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116699426A (en) * | 2023-08-01 | 2023-09-05 | 西安咏空电子科技有限公司 | Battery pack performance detection system and method |
| CN116699426B (en) * | 2023-08-01 | 2023-12-29 | 洛希能源科技(江苏)有限公司 | Battery pack performance detection system and method |
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