CN112924724A

CN112924724A - Battery insulation testing device

Info

Publication number: CN112924724A
Application number: CN202110020352.3A
Authority: CN
Inventors: 刘会龙; 李正军; 杨河城; 谢鹏
Original assignee: Shenzhen Omega Intelligent Technology Co ltd
Current assignee: Shenzhen Omega Intelligent Technology Co ltd
Priority date: 2021-01-07
Filing date: 2021-01-07
Publication date: 2021-06-08

Abstract

The invention discloses a battery insulation testing device, which comprises a platform, a rack arranged on the platform in a spanning manner, an insulation tester arranged on the rack, a first slide rail assembly arranged along the length direction of the platform, a bottom surface testing jig arranged on the first slide rail assembly, a pressing mechanism arranged at the top of the rack, a top surface testing jig arranged below the pressing mechanism, a first side surface testing jig arranged on a first side frame on the rack, and a second side surface testing jig arranged on a second side of the rack in an opposite manner, wherein the first side surface testing jig comprises a first driving mechanism arranged on the inner side of the first side frame of the rack and used for acting in the first side surface direction and a first side surface coating part arranged at the output end of the first driving mechanism, and the second side surface testing jig comprises a second driving mechanism arranged on the inner side of the second side frame of the rack and a second driving mechanism arranged on the output end of the second driving mechanism The second side surface coating part of the outlet end.

Description

Battery insulation testing device

Technical Field

The invention relates to a battery insulation testing device.

Background

In the production and manufacturing process of the hard-shell battery, in order to ensure the output quality of the battery, the battery can be subjected to various tests, the mounting performance of the produced battery is prevented from meeting the production requirement, and when the user uses the battery which does not meet the standard, a very large potential safety hazard exists, so that the superposition safety of the user is endangered all the time.

The battery insulation test is used as an important safety test of the battery, and aims to detect the surface insulation resistance of the battery, the insulation electric content of the battery is not too small, otherwise, electronic short circuit is easy to occur, namely, electrochemical corrosion occurs, so that the service life of the battery is influenced, and safety accidents occur when a user uses the battery in a serious situation. The battery insulation test needs to be carried out at each position of the battery, the existing battery insulation test device is relatively backward, one test device can only test one surface or the two opposite surfaces of the battery, if other position tests need to be carried out, other surface test devices need to be replaced for testing, and the test devices can not test the parts of the battery such as the water caltrops, so that the test procedures are more, the test mode is complex, the reliability is low, the efficiency is low, and the like.

Disclosure of Invention

Aiming at the defects of the prior art, the technical problems to be solved by the invention are as follows: the battery insulation testing device can test a plurality of surfaces, reduce the testing complexity and improve the testing efficiency.

In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a battery insulation test device, includes the platform, stride locate frame on the platform, locate insulation tester in the frame, follow first slide rail set spare that platform length direction set up, locate on the first slide rail set spare and with insulation tester electricity connection's bottom surface test fixture, locate the frame top corresponding to bottom surface test fixture position department push down the mechanism and locate push down the mechanism below and with the top surface test fixture of insulation tester electricity connection, still including locating on the first side frame on the frame corresponding to the first side test fixture of battery and locate with relative mode on the second side of frame corresponding to the second side test fixture of battery, first side test fixture includes one locate on the inboard of the first side frame of frame and can to the first side direction action of battery first actuating mechanism and one locate the frame The second side surface test fixture comprises a second driving mechanism and a second side surface coating part, wherein the second driving mechanism is arranged on the inner side of a second side frame of the rack and can act towards the direction of the second side surface of the battery, and the second side surface coating part is arranged at the output end of the second driving mechanism.

Furthermore, the pressing mechanism comprises a second slide rail assembly arranged on the inner side of the first side frame of the rack, a third slide rail assembly vertically arranged on the inner side of the second side frame of the rack and corresponding to the position of the second slide rail assembly, a pressing part with two ends respectively matched with the second slide rail assembly and the third slide rail assembly in a sliding manner, a pressing screw rod pair vertically arranged on the top frame of the rack in a penetrating manner and capable of rotating around the axis of the pressing screw rod pair, and a third driving mechanism arranged on the rack and capable of driving the screw rod to rotate so as to ascend/descend, wherein the pressing part is connected with a screw rod nut of the pressing screw rod pair so as to ascend/descend along with the pressing screw rod pair.

Further, the pressing mechanism further comprises a balance mechanism, the balance mechanism comprises a balance connecting block sleeved on the screw rod nut and a balance force output mechanism connected between the pressing portion and the balance connecting block, and the balance force output mechanism comprises a balance cylinder, a balance hydraulic cylinder and/or a balance spring which are connected to the corresponding positions of the balance connecting block in a diagonal manner.

Furthermore, the pushing mechanism further comprises a guide mechanism, the guide mechanism comprises guide columns which are arranged at corresponding positions on the balance connecting block in a diagonal mode, and the guide columns movably penetrate through the corresponding positions on the top frame.

Furthermore, the top surface test fixture comprises an installation base, a quick-change structure arranged on the bottom end surface of the installation base and a top surface coating part detachably arranged on the quick-change structure; the quick-change structure comprises a first L-shaped block, a second L-shaped block, a fixed block and a first stop block, wherein the first L-shaped block is arranged on the bottom surface of the mounting seat and close to a first side frame of the rack, the second L-shaped block is arranged on the bottom surface of the mounting seat and close to a second side frame of the rack, the fixed block is arranged on the bottom surface of the mounting seat and is positioned in a space between the first L-shaped block and the second L-shaped block, the first stop block is detachably arranged at two ends of the fixed block, the lower end surface of the first stop block is lower than the bottom surface of the fixed block, and a space with a preset height is formed between the bottom surface of the fixed block; the top surface coating portion comprises a T-shaped quick insertion portion which can be inserted into a space below the fixing block in the first L-shaped block and the second L-shaped block, and a top surface coating block arranged at the bottom end of the T-shaped quick insertion portion.

Further, the first side surface coating part comprises a first side surface coating plate matched with the first side surface of the battery in height, a first corner coating plate which is connected with the top surface of the first side surface coating plate in a bending mode to coat the corner positions of the first side surface and the top surface of the battery, and a second corner coating plate which is connected with the bottom surface of the first side surface coating plate in a bending mode to coat the corner positions of the first side surface and the bottom surface of the battery; the second side surface coating part comprises a second side surface coating plate matched with the second side surface of the battery in height, a third corner coating plate which is connected with the top surface of the second side surface coating plate in a bending mode to coat the second side surface of the battery and the corner part of the top surface, and a fourth corner coating plate which is connected with the bottom surface of the second side surface coating plate in a bending mode to coat the second side surface of the battery and the corner part of the bottom surface.

Further, the first side surface test fixture further comprises a first base, the first base comprises a first bottom plate connected with the output end of the first driving mechanism, a first T-shaped seat arranged on one surface, facing the first side surface of the battery, of the first bottom plate, and a first C-shaped seat arranged on the first T-shaped seat, a first fixing hole is formed in the top surface of the first C-shaped seat, the first side surface coating portion further comprises a first fixing block formed by extending the top surface of the first side surface coating plate to the direction of the first C-shaped seat, and a second fixing hole is formed in the first fixing block at a position corresponding to the first fixing hole; and/or the second side surface test fixture further comprises a second base, the second base comprises a second bottom plate connected with the output end of the second driving mechanism, a second T-shaped seat arranged on one surface, facing the second side surface of the battery, of the second bottom plate and a second C-shaped seat arranged on the second T-shaped seat, a third fixing hole is formed in the top surface of the second C-shaped seat, the second side surface coating portion further comprises a second fixing block formed by extending the top surface of the second side surface coating plate towards the second C-shaped seat, and a fourth fixing hole is formed in the position, corresponding to the first fixing hole, of the second fixing block.

Furthermore, the bottom surface test fixture comprises a third base arranged on the first slide rail assembly, a workbench arranged on the third base, a bottom surface coating part arranged at the upper end of the workbench, and a battery clamping mechanism arranged on the third base and used for clamping a battery.

Further, the horizontal positions of the first side surface testing jig and the second side surface testing jig are higher than the horizontal position of the bottom surface testing jig; the battery clamping mechanism is arranged on the top seat so as to be capable of clamping the battery and rising to a horizontal position corresponding to the first side surface testing jig and the second side surface testing jig along with the top seat.

Further, the battery clamping mechanism comprises a first clamping part arranged on the top seat at a position corresponding to the first end face of the battery and a second clamping part arranged on the top seat in an opposite mode at a position corresponding to the second end face of the battery; the first clamping part comprises a first clamping cylinder arranged on the top seat and positioned on the outer side of the first end face of the battery, and a first clamping block connected with an output shaft of the first clamping cylinder and capable of moving along with the output shaft to the direction of the first end face of the battery; the second clamping part comprises a second clamping cylinder and a second clamping block, the second clamping cylinder is arranged on the top seat and located on the outer side of the second end face of the battery, and the second clamping block is connected with an output shaft of the second clamping cylinder and can move along the direction of the second end face of the battery along with the output shaft.

Furthermore, the jacking mechanism comprises a first jacking cylinder arranged at a position on the third base and positioned outside one side of the battery, a second jacking cylinder arranged at a position on the third base and positioned outside the other side of the battery, and a guide rod arranged at each corner position on the third base, wherein the top ends of the output shafts of the first jacking cylinder and the second jacking cylinder are respectively provided with a disc with an outer diameter larger than that of the output shaft; a first connecting seat and a second connecting seat are arranged on the lower end surface of the top seat at positions corresponding to the first jacking cylinder and the second jacking cylinder, and a guide hole in guide fit with the guide rod is arranged on the top seat at a position corresponding to the guide rod; the first connecting seat and the second connecting seat respectively comprise a fixed block fixed with the top seat, a first L-shaped side block vertically arranged on one side of the lower end face of the fixed block and a second L-shaped side block arranged on the lower end face of the fixed block and opposite to the first L-shaped side block, and a certain spacing distance is reserved between the first L-shaped side block and the second L-shaped side block; the space between the two vertical parts of the first L-shaped side block and the second L-shaped side block forms an installation space for the disc to be placed in, and the space between the two transverse parts of the first L-shaped side block and the second L-shaped side block forms a channel for the output shaft of the corresponding jacking cylinder to be vertically placed in.

The bottom surface testing mechanism of the battery insulation testing device can complete the whole process of feeding, testing and discharging on the first slide rail group, can automatically and integrally work in the whole process, and drives the top surface testing jig to effectively test the top surface and the bottom surface of the battery through the pressing mechanism, so that the testing efficiency is improved. The two side faces of the battery are subjected to insulation testing through the first side face testing jig and the second side face testing jig simultaneously, the battery is only lifted to the positions of the two side face testing jigs through the jacking bottom face testing jig, the problem that the two side face testing jigs cannot completely coat the side faces of the battery due to the fact that the bottom face testing jig is lifted is solved, and then the insulation testing cannot be completely and effectively carried out on the side faces of the battery is solved. The battery insulation testing device effectively reduces the testing time, improves the testing efficiency, increases the testing range and achieves the function of one machine with multiple purposes.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the battery insulation testing device of the present invention, in which a top cover and a shielding plate are hidden to show the internal structure more clearly.

Fig. 2 is a schematic structural diagram of the upper half section of the battery insulation testing device of the invention.

Fig. 3 is a schematic structural diagram of a second side surface test fixture.

Fig. 4 is a schematic structural diagram of a bottom surface test fixture.

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 to 4, the battery insulation testing apparatus of the present embodiment includes a platform 11, a frame 12 straddling the platform 11, an insulation tester (not shown) disposed on the frame 12, a first slide rail assembly 13 disposed along a length direction of the platform 11, a bottom surface testing fixture 2 disposed on the first slide rail assembly 13 and electrically connected to the insulation tester, a pressing mechanism 3 disposed at a position corresponding to the bottom surface testing fixture 2 at a top of the frame 12, a top surface testing fixture 4 disposed below the pressing mechanism 3 and electrically connected to the insulation tester, a first side surface testing fixture 5 disposed on a first side frame of the frame 12 and corresponding to a first side surface of the battery 100, and a second side surface testing fixture 6 disposed on a second side of the frame 12 and corresponding to a second side surface of the battery 100 in an opposite manner, the first side surface test fixture 5 comprises a first driving mechanism 51 which is arranged on the inner side of a first side frame 121 of the rack 12 and can move towards the first side surface direction of the battery 100, and a first side surface coating part 52 which is arranged at the output end of the first driving mechanism 51, and the second side surface test fixture 6 comprises a second driving mechanism 61 which is arranged on the inner side of a second side frame 122 of the rack 12 and can move towards the second side surface direction of the battery 100, and a second side surface coating part 62 which is arranged at the output end of the second driving mechanism 61.

The position of the first slide rail assembly 13 close to the front end of the platform 11 is a feeding position, the position of the first slide rail assembly 13 close to the rear end of the platform 11 is a discharging position, and the positions of the first slide rail assembly 13 corresponding to the pressing mechanism 3 and the test jigs are test positions. Firstly, the bottom surface test fixture 2 is located at the feeding position, the battery 100 is fed onto the bottom surface test fixture 2, secondly, the bottom surface test fixture 2 is driven to move towards the test position, each surface of the battery 100 is subjected to insulation test through the top surface test fixture 4, the bottom surface test fixture 2, the first side surface test fixture 5 and the second side surface test fixture 6, and then the bottom surface test fixture 2 is moved to the discharging position so as to facilitate discharging of the battery 100.

The first slide rail assembly 13 is of a double-slide rail structure, a first screw rod pair 141 parallel to the double-slide rail is arranged between the double-slide rail, one end of the first screw rod pair 141 is connected with a first driving motor 142 used for driving a screw rod of the first screw rod pair 141 to rotate, and the bottom surface test fixture 2 is connected with a screw rod nut of the first screw rod pair 141 and a sliding block of the first slide rail assembly 13, so that the first slide rail assembly 13 can reciprocate along the length direction under the driving of the first driving motor 142. It is understood that, in other embodiments, any mechanism or device capable of driving the bottom surface testing fixture 2 to reciprocate may be used as the first slide rail assembly 13 and the bottom surface testing fixture 2 driving mechanism, and details thereof are not repeated herein.

The frame 12 is in a door shape, and includes a first side frame 121 erected on a first side of the platform 11, a second side frame 122 erected on a second side of the platform 11, and a top frame 123 erected on top ends of the first side frame 121 and the second side frame 122. The pressing mechanism 3 is disposed below the top frame 123, and the first side surface test fixture 5 and the second side surface test fixture 6 are disposed on inner side surfaces of the first side frame 121 and the second side frame 122, respectively.

The pressing mechanism 3 includes a second slide rail assembly 31 disposed on the inner side of the first side frame 121 of the frame 12, a third slide rail assembly 32 vertically disposed on the inner side of the second side frame 122 of the frame 12 at a position corresponding to the second slide rail assembly 31, a pressing portion having two ends respectively sliding-fitted with the second slide rail assembly 31 and the third slide rail assembly 32, a pressing screw pair 34 vertically disposed on the top frame 123 of the frame 12 and capable of rotating around its axis, and a third driving mechanism disposed on the frame 12 and capable of driving the screw to rotate to ascend/descend, wherein the pressing portion is connected with a screw nut 341 of the pressing screw pair 34 to be capable of ascending/descending along with the pressing screw pair. Further, the pressing mechanism 3 further includes a balance mechanism 36, the balance mechanism 36 includes a balance connection block 361 sleeved on the lead screw nut 341 and a balance force output mechanism connected between the pressing portion and the balance connection block 361, and the balance force output mechanism includes a balance cylinder 362, a balance hydraulic cylinder and/or a balance spring connected to a corresponding position of the balance connection block 361 in a diagonal manner. Further, the pressing mechanism 3 further comprises a guiding mechanism, the guiding mechanism comprises a guiding post 37 arranged at a corresponding position on the balanced connecting block 361 in a diagonal manner, and the guiding post 37 is movably arranged at a corresponding position on the top frame 123 in a penetrating manner. Wherein:

the second slide rail assembly 31 includes a first slide rail 311 and a second slide rail 312 that are disposed at intervals along the width direction of the inner side surface of the first side frame 121, a first slide block 313 disposed on the first slide rail 311, and a second slide block 314 disposed on the second slide rail 312. The third slide rail assembly 32 includes a third slide rail 321 disposed on the second side frame 122 at a position corresponding to the first slide rail 311, a fourth slide rail 322 disposed at a position corresponding to the second slide rail 312, a third slider 323 disposed on the third slide rail 321, and a fourth slider 324 disposed on the fourth slide rail 322. A first end of the pressing portion is connected to the first slider 313 and the second slider 314, and a second end of the pressing portion is connected to the third slider 323 and the fourth slider 324. Further, the pressing part includes a pressing block 331, a first connecting block 332 erected at a first end of the pressing block 331, and a second connecting block 333 erected at a second end of the pressing block 331, the first connecting block 332 is connected to the first slider 313 and the second slider 314, and the second connecting block 333 is connected to the third slider 323 and the fourth slider 324.

A center hole is formed in the center of the top frame 123, and a bearing set is disposed in the center hole. The upper end of the lower lead screw pair 34 penetrates through the bearing set, and a first transmission wheel is arranged at one section of the lower lead screw pair 34 protruding out of the top frame 123. The third driving mechanism is a driving motor 35, the driving motor 35 is vertically arranged on the first side frame 121, a second driving wheel is arranged on an output shaft of the driving motor 35, and a driving belt is sleeved on the first driving wheel and the second driving wheel. When the driving motor 35 rotates, the pressing screw rod pair 34 is driven to rotate around the axis of the pressing screw rod pair at the original position.

The feed screw nut 341 of the downward pressing feed screw pair 34 is located below the top frame 123, and the balance connecting block 361 is sleeved on the feed screw nut 341 to be capable of moving up and down along with the feed screw nut 341. The four guide posts 37 are respectively arranged at four corner positions of the balance connecting block 361, and the four guide posts 37 are upwards arranged on the top frame 123 in a penetrating manner. The number of the balance cylinders 362 is four, each two of the balance cylinders are in a group, each group is connected to the lower end of the balance connecting block 361 in a diagonal manner, and the four balance cylinders 362 are arranged in a rectangular shape on the projection of the horizontal plane. Two first dovetail grooves 3611 are formed in the lower end of the balanced connection block 361, and the two first dovetail grooves 3611 penetrate through the balanced connection block 361 along the width direction of the balanced connection block 361. The upper end of each balance cylinder 362 is provided with a fixed disk 3621 with a shape matched with that of the first dovetail groove 3611, and the two balance cylinders 362 in the same row are arranged in the corresponding first dovetail groove 3611. The lower end of each balance cylinder 362 is fixed to the lower pressing block 331.

The top surface testing jig 4 comprises an installation base 41, a quick-change structure 42 arranged on the bottom end surface of the installation base 41, and a top surface coating part 43 detachably arranged on the quick-change structure 42; the quick-change structure 42 comprises a first L-shaped block 421 arranged on the bottom surface of the mounting seat 41 and close to the first side frame 121 of the rack 12, a second L-shaped block 422 arranged on the bottom surface of the mounting seat 41 and close to the second side frame 122 of the rack 12, a fixed block 423 arranged on the bottom surface of the mounting seat 41 and located in a space between the first L-shaped block 421 and the second L-shaped block 422, and first stoppers 424 detachably arranged at two ends of the fixed block 423, wherein the lower end surface of the first stopper 424 is lower than the bottom surface of the fixed block 423, and a space with a preset height is formed between the bottom surface of the fixed block 423 and the transverse parts of the first L-shaped block 421 and the second L-shaped block 422; the top surface coating portion 43 includes a T-shaped quick-insertion portion 431 capable of being inserted into a space below the fixing block 423 among the first and second L-

shaped blocks

421 and 422, and a top surface coating block 432 provided at a bottom end of the T-shaped quick-insertion portion 431. Preferably, a handle 433 is further provided on a side surface of the T-shaped quick-insertion portion 431.

In this embodiment, a fifth slider 315 is further disposed on the first slide rail 311 below the first slider 313, a sixth slider 316 is further disposed on the second slide rail 312 below the second slider 314, a seventh slider 325 is further disposed on the third slide rail 321 below the third slider 323, and an eighth slider 326 is further disposed on the fourth slide rail 322 below the fourth slider 324. A first end of the mounting base 41 is connected to the fifth slider 315 and the sixth slider 316, and a second end of the mounting base 41 is connected to the seventh slider 325 and the eighth slider 326. Further, the mounting base 41 includes a mounting block 411, a third connecting block 412 erected on a first end of the mounting block 411, and a fourth connecting block 413 erected on a second end of the mounting block 411, the third connecting block 412 is connected to the fifth slider 315 and the sixth slider 316, and the fourth connecting block 413 is connected to the seventh slider 325 and the eighth slider 326. Furthermore, abutting blocks 414 abutting against the bottom surface of the lower pressing block 331 are vertically arranged at two ends of the mounting base 41, a lower pressing table 333 is convexly arranged at the center position of the lower end surface of the lower pressing block 331 downward, a pressure sensor component 334 is arranged at a position on the mounting base 41 corresponding to the lower pressing table 333, when the lower pressing block 331 presses downward, the lower end surface of the lower pressing block 331 abuts against the upper end of the abutting block 414, and the lower pressing table 333 presses downward on the pressure sensor component 334 to drive the mounting block 411 to move downward to the position of the bottom surface test fixture 2, and a constant preset pressure is applied in the test process until the test of the corresponding surface is finished.

In this embodiment, in order to enable the top surface testing jig 4 to be able to return upward together with the pressing mechanism 3 after the test is finished, a guiding connecting rod 71 is respectively disposed between two ends of the pressing portion and the top surface testing jig 4, an upper end of the guiding connecting rod 71 movably penetrates through the pressing portion, a lower end of the guiding connecting rod 71 is fixed on the top surface testing jig 4, and a second stopper 72 that prevents the guiding connecting rod 71 from penetrating out of the pressing portion downward is disposed on the top end of the guiding connecting rod 71 protruding from the pressing portion. In this way, when the pressing mechanism 3 moves downward, the pressing portion can move downward along the height direction of the guide connecting rod 71 so as to press down on the top surface testing jig 4, and when the pressing mechanism 3 moves upward, the pressing portion moves to the bottom surface of the second stopper 72 to drive the guide connecting rod 71 to move upward, so that the top surface testing jig 4 fixedly connected with the lower end of the guide connecting rod 71 resets upward along with the pressing mechanism 3.

In this embodiment, the vertical portions of the first L-shaped block 421 and the second L-shaped block 422 are respectively provided with a first mounting hole (not shown) for mounting the fixing block 423, the position of the fixing block 423 corresponding to the mounting holes of the two L-shaped blocks is provided with a corresponding second mounting hole (not shown), and when the fixing block 423 is mounted, the fixing block 423 can be mounted and fixed by screwing the screws into the first mounting hole and the second mounting hole in a one-to-one correspondence manner.

In this embodiment, the first side wrapping portion 52 and the second side wrapping portion 62 have the same or similar structure or function. The first side surface coating part 52 includes a first side surface coating plate matched with the first side surface of the battery 100 in height, a first corner coating plate which is connected with the top surface of the first side surface coating plate in a bending manner to coat the corner portions of the first side surface and the top surface of the battery 100, and a second corner coating plate which is connected with the bottom surface of the first side surface coating plate in a bending manner to coat the corner portions of the first side surface and the bottom surface of the battery 100; the second side wrapping portion 62 includes a second side wrapping plate 621 whose height matches the height of the second side of the battery 100, a third corner wrapping plate 622 that is bent and connected to the top surface of the second side wrapping plate 621 to wrap the corner portions of the second side and the top surface of the battery 100, and a fourth corner wrapping plate 623 that is bent and connected to the bottom surface of the second side wrapping plate 621 to wrap the corner portions of the second side and the bottom surface of the battery 100.

Further, the first side surface test fixture 5 further includes a first base, the first base includes a first bottom plate connected to the output end of the first driving mechanism 51, a first T-shaped seat disposed on the first bottom plate and facing the first side surface of the battery 100, and a first C-shaped seat disposed on the first T-shaped seat, a first fixing hole is formed in a top surface of the first C-shaped seat, the first side surface coating portion 52 further includes a first fixing block 423 formed by extending a top surface of the first side surface coating plate toward the first C-shaped seat, and a second fixing hole is formed in a position, corresponding to the first fixing hole, of the first fixing block 423; and/or the second side surface test fixture 6 further includes a second base, the second base includes a second bottom plate 631 connected to the output end of the second driving mechanism 61, a second T-shaped seat 632 disposed on the second bottom plate 631 and facing the second side surface of the battery 100, and a second C-shaped seat 633 disposed on the second T-shaped seat 632, a third fixing hole is disposed on a top surface of the second C-shaped seat 633, the second side surface cladding portion 62 further includes a second fixing block 423 formed by extending the top surface of the second side surface cladding plate 621 toward the second C-shaped seat 633, and a fourth fixing hole is disposed on the second fixing block 423 at a position corresponding to the first fixing hole.

The bottom surface test fixture 2 comprises a third base 21 arranged on the first slide rail 311 component 13, a workbench 22 arranged on the third base 21, a bottom surface coating part 23 arranged at the upper end of the workbench 22, and a battery clamping mechanism arranged on the third base 21 and used for clamping the battery 100.

Further, the horizontal positions of the first side surface testing jig and the second side surface testing jig 6 are higher than the horizontal position of the bottom surface testing jig 2. The battery insulation testing device further comprises a jacking mechanism arranged on the third base 21 and a top seat 82 connected with the upper end of the jacking mechanism and provided with a through hole for the bottom surface coating part 23 to penetrate out upwards, and the battery clamping mechanism is arranged on the top seat 82 and can clamp the battery 100 and lift upwards along with the top seat 82 to a horizontal position corresponding to the first side surface testing jig 5 and the second side surface testing jig 6.

The battery clamping mechanism comprises a first clamping part arranged on the top seat 82 at a position corresponding to a first end face of the battery 100 and a second clamping part arranged on the top seat 82 in an opposite manner at a position corresponding to a second end face of the battery 100; the first clamping portion includes a first clamping cylinder 241 provided on the top base 82 and located outside the first end surface of the battery 100, and a first clamping block 242 connected to an output shaft of the first clamping cylinder 241 and movable in the direction of the first end surface of the battery 100 in accordance with the output shaft; the second clamping portion includes a second clamping cylinder 243 provided on the top holder 82 and located outside the second end face of the battery 100, and a second clamping block 244 connected to an output shaft of the second clamping cylinder 243 so as to be movable in the direction of the second end face of the battery 100 in accordance with the output shaft. In this embodiment, the first clamping portion and the second clamping portion are not located on the same side as the first side surface testing jig 5 and the second side surface testing jig 6, and a connection line of the first clamping portion and the second clamping portion forms an angle of 90 degrees with a connection line of the first side surface testing jig 5 and the second side surface testing jig 6, so that when the first clamping portion and the second clamping portion clamp the battery 100 and rise to the horizontal positions of the first side surface testing jig 5 and the second side surface testing jig 6, and the first side surface testing jig 5 and the second side surface testing jig 6 perform insulation testing on the battery 100, the first side surface and the second side surface of the battery 100 can be effectively and completely subjected to cladding testing, any testing point is not omitted, testing completeness is guaranteed, testing efficiency is improved, and testing accuracy is improved. The first and

second clamping cylinders

241 and 243 may be air cylinders, hydraulic cylinders, or the like. In other embodiments, the mechanism for driving the corresponding clamping blocks of the first clamping portion and the second clamping portion to move in the opposite direction to clamp the battery 100 is not limited to the above-mentioned air cylinder or hydraulic cylinder, and components, such as a mechanism arm, such as a motor, and a mechanism positioning structure, etc., that can clamp the battery 100 may be replaced according to the requirements of different embodiments.

Further, the jacking mechanism comprises a first jacking cylinder 811 arranged on the third base 21 and located at a position outside one side of the battery 100, a second jacking cylinder (not shown) arranged on the third base 21 and located at a position outside (opposite to) the other side of the battery 100, and a guide rod 812 arranged at each corner position on the third base 21, wherein the top ends of the output shafts of the first jacking cylinder 811 and the second jacking cylinder are respectively provided with a disc 813 with an outer diameter larger than that of the output shaft; a first connecting seat 821 and a second connecting seat (not shown) are arranged at the lower end surface of the top seat 82 corresponding to the positions of the first jacking cylinder 811 and the second jacking cylinder, and a guide hole which is matched with the guide rod 812 in a guiding way is arranged at the position of the top seat 82 corresponding to the position of the guide rod 812; the first connecting seat 821 and the second connecting seat respectively comprise a fixed block 423 fixed with the top seat 82, a first L-shaped side block vertically arranged on one side of the lower end surface of the fixed block 423 and a second L-shaped side block arranged on the lower end surface of the fixed block 423 and opposite to the first L-shaped side block, and a certain spacing distance is reserved between the first L-shaped side block and the second L-shaped side block; the space between the two vertical parts of the first and second L-shaped side blocks forms an installation space 822 for the disc 813 to be placed therein, and the space between the two horizontal parts of the first and second L-shaped side blocks forms a channel for the output shaft of the corresponding jacking cylinder to be vertically placed therein. That is, two dovetail grooves for installing corresponding jacking cylinders are formed between the first L-shaped side block and the second L-shaped side block.

The working principle of the battery insulation testing device is as follows: firstly, charging of a battery 100: the bottom surface test fixture 2 is used for placing the battery 100 on the bottom surface test fixture 2 when the material is loaded, and moving the bottom surface test fixture 2 to the test position; secondly, testing the top surface and the bottom surface in an insulation manner: the battery 100 is clamped by the battery clamping mechanism, the driving motor 35 drives the lower lead screw pair 34 to rotate towards a corresponding direction, the lead screw nut 341 on the lower lead screw pair 34 moves downwards after rotating towards the corresponding direction, the balance connecting block 361 arranged on the lead screw nut 341 moves downwards in a balance manner under the guiding action of the guiding mechanism, and the balance cylinder 362 between the lower pressing part and the balance connecting block 361 serves as a transmission component to move the lower pressing part downwards and has an upward balance force to make the lower pressing part move downwards more balance and stably; the pressing part moves downwards on the second slide rail 312 component 31 and the third slide rail 321 component 32, when the lower end surface of the pressing part is abutted to the upper end surface of the mounting part, the mounting part moves downwards under the assistance of the second slide rail 312 component 31 and the third slide rail 321 component 32 due to the downward pressure, so that the top surface coating part 43 on the lower end surface of the mounting part moves downwards to the top surface of the battery 100 on the bottom surface test fixture 2 to press down the battery 100 and apply constant preset pressure, the requirement of insulation test is met, and after the top surface and the bottom surface are tested, the pressing mechanism 3 and the top surface test fixture 4 reset; and thirdly, starting the jacking mechanism to lift the jacking seat 82 upwards to enable the battery 100 to rise to the horizontal positions of the first side surface test fixture 5 and the second side surface test fixture 6, enabling the first side surface test fixture 5 and the second side surface test fixture 6 to respectively move towards the first side surface and the second side surface of the battery 100 and cover the two side surfaces, wherein the first side surface coating part 52 and the second side surface coating part 62 are both in a C shape, effectively coating the upper and lower water caltrop positions of the corresponding side surfaces besides the side surfaces of the battery 100, effectively and comprehensively testing the battery 100, and improving the testing accuracy. And fourthly, blanking the battery 100, and moving the bottom surface test fixture 2 to a blanking position to finish a blanking process after the side surface insulation test of the battery 100 is finished.

In the embodiment of the invention, the bottom surface testing mechanism can complete the whole process of feeding, testing and discharging on the first slide rail 311 component 13, the whole process can be automatically and integrally operated, the top surface testing jig 4 is driven by the pressing mechanism 3 to effectively test the top surface and the bottom surface of the battery 100, and the testing efficiency is improved. The two side surfaces of the battery 100 are subjected to insulation testing simultaneously through the first side surface testing jig 5 and the second side surface testing jig 6, the battery 100 is only lifted to the positions of the two side surface testing jigs through the lifting of the bottom surface testing jig 2, the problem that the two side surface testing jigs cannot completely coat the side surfaces of the battery 100 and further cannot completely and effectively perform insulation testing on the side surfaces of the battery 100 is solved, meanwhile, the specially-made C-shaped coating part not only performs insulation testing on the side surfaces of the battery 100, but also performs testing on corners of the battery 100, and the problems that convex diamonds of the battery 100 cannot perform testing, the testing is incomplete and the like are solved. The battery insulation testing device effectively reduces the testing time, improves the testing efficiency, increases the testing range and achieves the function of one machine with multiple purposes.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides a battery insulation testing arrangement, includes the platform, strides and locates frame on the platform, locate insulation tester in the frame, follow first slide rail set spare that platform length direction set up, locate on the first slide rail set spare and with the bottom surface test fixture that insulation tester electricity is connected, locate the frame top corresponding to the mechanism pushes down of bottom surface test fixture position department and locate push down the mechanism below and with the top surface test fixture that insulation tester electricity is connected, its characterized in that: the testing device comprises a rack, a first side frame and a second side frame, wherein the first side frame is arranged on the rack and corresponds to a first side surface of a battery, the second side frame is arranged on the rack and corresponds to a second side surface of the battery, the first side surface testing device comprises a first driving mechanism and a first side surface coating part, the first driving mechanism is arranged on the inner side of the first side frame of the rack and can move towards the direction of the first side surface of the battery, the first side surface coating part is arranged at the output end of the first driving mechanism, the second side surface testing device comprises a second driving mechanism and a second side surface coating part, the second driving mechanism is arranged on the inner side of the second side frame of the rack and can move towards the direction of the second side surface of the battery, and the second side surface coating part is arranged at the output end of.

2. The battery insulation test apparatus of claim 1, wherein: the pressing mechanism comprises a second slide rail assembly arranged on the inner side of the first side frame of the rack, a third slide rail assembly vertically arranged on the inner side of the second side frame of the rack and corresponding to the position of the second slide rail assembly, a pressing part with two ends respectively matched with the second slide rail assembly and the third slide rail assembly in a sliding manner, a pressing screw rod pair vertically penetrating through the top frame of the rack and capable of rotating around the axis of the pressing screw rod pair, and a third driving mechanism arranged on the rack and capable of driving the screw rod to rotate so as to ascend/descend, wherein the pressing part is connected with a screw rod nut of the pressing screw rod pair so as to ascend/descend along with the pressing screw rod pair.

3. The battery insulation test apparatus of claim 2, wherein: the pressing mechanism further comprises a balance mechanism, the balance mechanism comprises a balance connecting block sleeved on the screw rod nut and a balance force output mechanism connected between the pressing portion and the balance connecting block, and the balance force output mechanism comprises a balance cylinder, a balance hydraulic cylinder and/or a balance spring which are connected to the corresponding position of the balance connecting block in a diagonal mode.

4. The battery insulation test apparatus of claim 3, wherein: the pushing mechanism further comprises a guide mechanism, the guide mechanism comprises guide columns which are arranged at corresponding positions on the balance connecting blocks in an opposite angle mode, and the guide columns movably penetrate through the corresponding positions on the top frame.

5. The battery insulation test apparatus of claim 1, wherein: the top surface test fixture comprises an installation base, a quick-change structure arranged on the bottom end surface of the installation base and a top surface coating part detachably arranged on the quick-change structure; the quick-change structure comprises a first L-shaped block, a second L-shaped block, a fixed block and a first stop block, wherein the first L-shaped block is arranged on the bottom surface of the mounting seat and close to a first side frame of the rack, the second L-shaped block is arranged on the bottom surface of the mounting seat and close to a second side frame of the rack, the fixed block is arranged on the bottom surface of the mounting seat and is positioned in a space between the first L-shaped block and the second L-shaped block, the first stop block is detachably arranged at two ends of the fixed block, the lower end surface of the first stop block is lower than the bottom surface of the fixed block, and a space with a preset height is formed between the bottom surface of the fixed block; the top surface coating portion comprises a T-shaped quick insertion portion which can be inserted into a space below the fixing block in the first L-shaped block and the second L-shaped block, and a top surface coating block arranged at the bottom end of the T-shaped quick insertion portion.

6. The battery insulation test apparatus of claim 1, wherein: the first side surface coating part comprises a first side surface coating plate matched with the first side surface of the battery in height, a first corner coating plate which is connected with the top surface of the first side surface coating plate in a bending mode to coat the corner parts of the first side surface and the top surface of the battery, and a second corner coating plate which is connected with the bottom surface of the first side surface coating plate in a bending mode to coat the corner parts of the first side surface and the bottom surface of the battery; the second side surface coating part comprises a second side surface coating plate matched with the second side surface of the battery in height, a third corner coating plate which is connected with the top surface of the second side surface coating plate in a bending mode to coat the second side surface of the battery and the corner part of the top surface, and a fourth corner coating plate which is connected with the bottom surface of the second side surface coating plate in a bending mode to coat the second side surface of the battery and the corner part of the bottom surface.

7. The battery insulation test apparatus of claim 6, wherein: the first side surface test fixture further comprises a first base, the first base comprises a first bottom plate connected with the output end of the first driving mechanism, a first T-shaped seat arranged on one surface, facing the first side surface of the battery, of the first bottom plate and a first C-shaped seat arranged on the first T-shaped seat, a first fixing hole is formed in the top surface of the first C-shaped seat, the first side surface coating portion further comprises a first fixing block formed by extending the top surface of the first side surface coating plate to the direction of the first C-shaped seat, and a second fixing hole is formed in the position, corresponding to the first fixing hole, of the first fixing block; and/or the second side surface test fixture further comprises a second base, the second base comprises a second bottom plate connected with the output end of the second driving mechanism, a second T-shaped seat arranged on one surface, facing the second side surface of the battery, of the second bottom plate and a second C-shaped seat arranged on the second T-shaped seat, a third fixing hole is formed in the top surface of the second C-shaped seat, the second side surface coating portion further comprises a second fixing block formed by extending the top surface of the second side surface coating plate towards the second C-shaped seat, and a fourth fixing hole is formed in the position, corresponding to the first fixing hole, of the second fixing block.

8. The battery insulation test apparatus according to any one of claims 1 to 7, wherein: the bottom surface test fixture comprises a third base arranged on the first sliding rail assembly, a workbench arranged on the third base, a bottom surface coating part arranged at the upper end of the workbench and a battery clamping mechanism arranged on the third base and used for clamping a battery.

9. The battery insulation test apparatus of claim 8, wherein: the horizontal positions of the first side surface testing jig and the second side surface testing jig are higher than the horizontal position of the bottom surface testing jig; the battery clamping mechanism is arranged on the top seat so as to be capable of clamping the battery and rising to a horizontal position corresponding to the first side surface testing jig and the second side surface testing jig along with the top seat.

10. The battery insulation test apparatus of claim 9, wherein: the battery clamping mechanism comprises a first clamping part and a second clamping part, wherein the first clamping part is arranged on the top seat at a position corresponding to a first end face of the battery, and the second clamping part is oppositely arranged on the top seat at a position corresponding to a second end face of the battery; the first clamping part comprises a first clamping cylinder arranged on the top seat and positioned on the outer side of the first end face of the battery, and a first clamping block connected with an output shaft of the first clamping cylinder and capable of moving along with the output shaft to the direction of the first end face of the battery; the second clamping part comprises a second clamping cylinder and a second clamping block, the second clamping cylinder is arranged on the top seat and located on the outer side of the second end face of the battery, and the second clamping block is connected with an output shaft of the second clamping cylinder and can move along the direction of the second end face of the battery along with the output shaft.

11. The battery insulation test apparatus of claim 10, wherein: the jacking mechanism comprises a first jacking cylinder arranged at a position on the third base and positioned outside one side of the battery, a second jacking cylinder arranged at a position on the third base and positioned outside the other side of the battery, and a guide rod arranged at each corner position on the third base, wherein the top ends of output shafts of the first jacking cylinder and the second jacking cylinder are respectively provided with a disc with the outer diameter larger than that of the output shaft; a first connecting seat and a second connecting seat are arranged on the lower end surface of the top seat at positions corresponding to the first jacking cylinder and the second jacking cylinder, and a guide hole in guide fit with the guide rod is arranged on the top seat at a position corresponding to the guide rod; the first connecting seat and the second connecting seat respectively comprise a fixed block fixed with the top seat, a first L-shaped side block vertically arranged on one side of the lower end face of the fixed block and a second L-shaped side block arranged on the lower end face of the fixed block and opposite to the first L-shaped side block, and a certain spacing distance is reserved between the first L-shaped side block and the second L-shaped side block; the space between the two vertical parts of the first L-shaped side block and the second L-shaped side block forms an installation space for the disc to be placed in, and the space between the two transverse parts of the first L-shaped side block and the second L-shaped side block forms a channel for the output shaft of the corresponding jacking cylinder to be vertically placed in.