CN112924724B - Battery insulation testing device - Google Patents
Battery insulation testing device Download PDFInfo
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- CN112924724B CN112924724B CN202110020352.3A CN202110020352A CN112924724B CN 112924724 B CN112924724 B CN 112924724B CN 202110020352 A CN202110020352 A CN 202110020352A CN 112924724 B CN112924724 B CN 112924724B
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- 238000012360 testing method Methods 0.000 title claims abstract description 196
- 238000009413 insulation Methods 0.000 title claims abstract description 50
- 238000003825 pressing Methods 0.000 claims abstract description 52
- 239000011248 coating agent Substances 0.000 claims description 34
- 238000000576 coating method Methods 0.000 claims description 34
- 238000005253 cladding Methods 0.000 claims description 27
- 238000005452 bending Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 4
- 230000001174 ascending effect Effects 0.000 claims description 2
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 240000001085 Trapa natans Species 0.000 description 2
- 229910003460 diamond Inorganic materials 0.000 description 2
- 239000010432 diamond Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 235000009165 saligot Nutrition 0.000 description 2
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006056 electrooxidation reaction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000011076 safety test Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
- G01R1/04—Housings; Supporting members; Arrangements of terminals
- G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/3644—Constructional arrangements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/392—Determining battery ageing or deterioration, e.g. state of health
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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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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Battery Mounting, Suspending (AREA)
Abstract
The invention discloses a battery insulation testing device which comprises a platform, a rack, an insulation tester, a first sliding rail assembly, a bottom surface testing jig, a pressing mechanism, a top surface testing jig, a first side testing jig and a second side testing jig, wherein the rack is arranged on the platform in a crossing mode, the insulation tester is arranged on the rack, the first sliding rail assembly is arranged along the length direction of the platform, the bottom surface testing jig is arranged on the first sliding rail assembly, the pressing mechanism is arranged at the top of the rack, the top surface testing jig is arranged below the pressing mechanism, the first side testing jig is arranged on a first side frame of the rack, the second side testing jig is arranged on a second side of the rack in an opposite mode, the first side testing jig comprises a first driving mechanism which is arranged on the inner side of the first side frame and a first side covering part which is arranged at the output end of the first driving mechanism, and the second side testing jig comprises a second driving mechanism which is arranged on the inner side of the second side frame and a second side covering part which is arranged at the output end of the second driving mechanism.
Description
Technical Field
The invention relates to a battery insulation testing device.
Background
In the production 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 installation performance of the produced battery is prevented from failing to meet the production requirement, and when a user uses the battery which does not reach the standard, a great potential safety hazard exists, so that the coincidence safety of the user is endangered at any time.
The battery insulation test is an important safety test of the battery, and aims to detect the surface insulation resistance of the battery, the insulation electric function of the battery is not too small, otherwise, electronic short circuit is easy to occur, namely electrochemical corrosion is easy to occur, so that the service life of the battery is influenced, and safety accidents can occur when a user uses the battery seriously. The battery insulation test is to test each position of the battery, and the existing battery insulation test device is relatively backward, one test device can only test one side or two opposite sides of the battery, if other position tests are needed, the battery insulation test device needs to be replaced to other side test devices for testing, and the test devices cannot test the water chestnut and other parts of the battery, 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 in the prior art, the invention aims to solve the technical problems that: a battery insulation test device capable of testing a plurality of surfaces, reducing test complexity, and improving test efficiency is provided.
In order to solve the technical problems, the invention adopts a technical scheme that: the utility model provides a battery insulation testing device, include the platform, stride locate frame on the platform, locate insulation tester in the frame, follow the first slide rail subassembly that platform length direction set up, locate on the first slide rail subassembly and with the bottom surface test jig that insulation tester electricity is connected, locate the frame top corresponds bottom surface test jig position department pushes down the mechanism and locates pushing down the mechanism below and with the top surface test jig that insulation tester electricity is connected, still include locate on the first side frame on the frame correspond on the first side frame of battery first side test jig and locate with relative mode on the second side of frame corresponds on the second side of battery second side test jig, first side test jig includes one and locates on the inboard of the first side frame of frame and can to the first side direction action of battery first side cover portion of output of first drive mechanism and locating on the second side test jig that the second side includes the second side of first side frame can locate the second side test jig and the second side cover portion of output side direction of battery.
Further, the pushing mechanism comprises a second sliding rail component arranged on the inner side of the first side frame of the frame, a third sliding rail component vertically arranged on the inner side of the second side frame of the frame and corresponding to the position of the second sliding rail component, a pushing part, two ends of which are respectively in sliding fit with the second sliding rail component and the third sliding rail component, a pushing screw pair vertically penetrating through the top frame of the frame and capable of rotating around the axis of the top frame, and a third driving mechanism arranged on the frame and capable of driving the screw to move up/down in a rotating manner, wherein the pushing part is connected with a screw nut of the pushing screw pair so as to be capable of ascending/descending along with the screw nut.
Further, the pressing mechanism further comprises a balancing mechanism, the balancing mechanism comprises a balancing connecting block sleeved on the screw rod nut and a balancing force output mechanism connected between the pressing part and the balancing connecting block, and the balancing force output mechanism comprises a balancing cylinder, a balancing hydraulic cylinder and/or a balancing spring which are connected at corresponding positions of the balancing connecting block in a diagonal mode.
Further, the pushing mechanism further comprises a guiding mechanism, the guiding mechanism comprises a guiding column which is arranged at the corresponding position on the balance connecting block in a diagonal mode, and the guiding column movably penetrates through the corresponding position on the top frame.
Further, the top surface testing jig comprises a mounting seat, a quick-change structure arranged on the bottom end surface of the mounting seat and a detachable top surface coating part arranged on the quick-change structure; the quick-change structure comprises a first L-shaped block arranged on the bottom surface of the mounting seat and close to a first side frame of the frame, a second L-shaped block arranged on the bottom surface of the mounting seat and close to a second side frame of the frame, a fixed block arranged on the bottom surface of the mounting seat and positioned in a space between the first L-shaped block and the second L-shaped block, and a first detachable stop block arranged at two ends of the fixed block, wherein the lower end surface of the first stop block is lower than the bottom surface of the fixed block, and a spacing space with a preset height is arranged between the bottom surface of the fixed block and the transverse parts of the first L-shaped block and the second L-shaped block; the top surface cladding part comprises a T-shaped quick inserting part which can be inserted into the space below the fixed block in the first L-shaped block and the second L-shaped block, and a top surface cladding block arranged at the bottom end of the T-shaped quick inserting part.
Further, the first side cladding part comprises a first side cladding plate matched with the height of the first side of the battery, a first corner cladding plate which is bent and connected with the top surface of the first side cladding plate to cover the corner part of the first side and the top surface of the battery, and a second corner cladding plate which is bent and connected with the bottom surface of the first side cladding plate to cover the corner part of the first side and the bottom surface of the battery; the second side surface coating part comprises a second side surface coating plate matched with the height of the second side surface of the battery, a third corner coating plate which is connected with the top surface of the second side surface coating plate in a bending way so as to coat the corner parts of the second side surface and the top surface of the battery, and a fourth corner coating plate which is connected with the bottom surface of the second side surface coating plate in a bending way so as to coat the corner parts of the second side surface and the bottom surface of the battery.
Further, the first side testing jig 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 the first bottom plate and facing to one surface of the first side face of the battery, 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 part further comprises a first fixing block formed by extending from 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 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 the second bottom plate and facing to one side of the second side of the battery, 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 coating part further comprises a second fixing block formed by extending from the top surface of the second side coating plate to the direction of the second C-shaped seat, and a fourth fixing hole is formed in the position, corresponding to the first fixing hole, on the second fixing block.
Further, 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.
Further, the horizontal positions of the first side surface side test jig and the second side surface test jig are higher than the horizontal positions of the bottom surface test jig; the battery clamping mechanism is arranged on the top seat so as to clamp the battery and ascend to the horizontal position corresponding to the first side testing jig and the second side 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 and 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 at 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 so as to be capable of moving along with the direction of the output shaft to the first end face of the battery; the second clamping part comprises a second clamping cylinder arranged on the top seat and positioned at the outer side of the second end face of the battery, and a second clamping block connected with an output shaft of the second clamping cylinder so as to move along with the direction of the output shaft to the second end face of the battery.
Further, the jacking mechanism comprises a first jacking cylinder arranged on the third base and positioned at a position outside one side of the battery, a second jacking cylinder arranged on the third base and positioned at a position 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 at the positions, corresponding to the first jacking cylinder and the second jacking cylinder, of the lower end face of the top seat, and a guide hole matched with the guide rod in a guide way is arranged at the position, corresponding to the guide rod, of the top seat; the first connecting seat and the second connecting seat comprise a fixed block fixed with the top seat, a first L-shaped side block arranged on one side of the lower end surface of the fixed block in a standing way, and a second L-shaped side block arranged on the lower end surface of the fixed block and opposite to the first L-shaped side block, wherein a certain interval 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 in which the disc is arranged, 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 in which the output shaft of the corresponding jacking cylinder is vertically arranged.
The bottom surface testing mechanism of the battery insulation testing device can complete the whole process of feeding, testing and discharging on the first sliding rail set, can automatically and integrally work in the whole process, and can effectively test the top surface and the bottom surface of the battery by driving the top surface testing device through the pressing mechanism, so that the testing efficiency is improved. The two side surfaces of the battery are simultaneously subjected to insulation test through the first side surface testing jig and the second side surface testing jig, the battery is lifted to the positions of the two side surface testing jigs only through the lifting bottom surface testing jig, the problem that the two side surface testing jigs cannot completely cover the side surfaces of the battery due to the lifting of the bottom surface testing jig, and then the side surfaces of the battery cannot be subjected to insulation test completely and effectively is solved, meanwhile, the special C-shaped cover part not only performs insulation test on the side surfaces of the battery, but also performs test on the corner of the battery, and the problems that convex diamond of the battery cannot be tested, the test is incomplete and the like are solved. The battery insulation test device effectively reduces test time, improves test efficiency, increases test range, and achieves the function of one machine for multiple purposes.
Drawings
Fig. 1 is a schematic view of an embodiment of the battery insulation testing device of the present invention, with the top corresponding cover and shielding plate hidden for more clearly showing the internal structure.
Fig. 2 is a schematic diagram of the structure of the upper half of the battery insulation test device of the present invention.
Fig. 3 is a schematic structural diagram of the second side testing fixture.
Fig. 4 is a schematic structural diagram of the bottom surface test fixture.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 4, the battery insulation testing device of the present embodiment includes a platform 11, a rack 12 straddling the platform 11, an insulation tester (not shown) disposed on the rack 12, a first slide rail assembly 13 disposed along a length direction of the platform 11, a bottom testing jig 2 disposed on the first slide rail assembly 13 and electrically connected to the insulation tester, a pressing mechanism 3 disposed on a top of the rack 12 and corresponding to a position of the bottom testing jig 2, a top testing jig 4 disposed below the pressing mechanism 3 and electrically connected to the insulation tester, a first side testing jig 5 disposed on a first side frame on the rack 12 and corresponding to a first side of the battery 100, and a second side testing jig 6 disposed on a second side of the rack 12 in an opposite manner, the first side testing jig 5 including a first side driving mechanism 62 disposed on an inner side of the rack 12 and capable of driving the first side frame 121 and capable of driving the second side mechanism 62 disposed on an inner side of the rack 12 and capable of driving the second side of driving end of the second side frame 51, and the second side testing jig 51 being disposed on a second side of the second side frame 51.
The position, close to the front end of the platform 11, on the first sliding rail component 13 is a loading position, the rear end, close to the platform 11, on the first sliding rail component 13 is a unloading position, and the position, corresponding to the pressing mechanism 3 and each test fixture, on the first sliding rail component 13 is a test position. Firstly, the bottom surface test jig 2 is located at the loading level, the battery 100 is loaded onto the bottom surface test jig 2, secondly, the bottom surface test jig 2 is driven to move towards the testing level, insulation tests are conducted on all sides of the battery 100 through the top surface test jig 4, the bottom surface test jig 2, the first side surface test jig 5 and the second side surface test jig 6, and then the bottom surface test jig 2 is moved to the unloading level so as to facilitate unloading 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 first slide rail is arranged between the double slide rails, one end of the first screw rod pair 141 is connected with a first driving motor 142 for driving a screw rod of the first screw rod pair 141 to rotate, and the bottom surface testing jig 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 in the length direction under the driving of the first driving motor 142. It can be appreciated that, in other embodiments, the driving mechanism of the first sliding rail assembly 13 and the bottom surface testing jig 2 may also be any mechanism or device capable of driving the bottom surface testing jig 2 to reciprocate, which will not be described in detail herein.
The frame 12 is in a door shape, and has 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 testing jig 5 and the second side testing jig 6 are disposed on inner sides of the first side frame 121 and the second side frame 122, respectively.
The pressing mechanism 3 includes a second sliding rail assembly 31 disposed on the inner side of the first side frame 121 of the frame 12, a third sliding rail assembly 32 vertically disposed on the inner side of the second side frame 122 of the frame 12 and corresponding to the position of the second sliding rail assembly 31, a pressing portion with two ends respectively slidably engaged with the second sliding rail assembly 31 and the third sliding rail assembly 32, a pressing screw pair 34 vertically penetrating the top frame 123 of the frame 12 and capable of rotating around its own axis, and a third driving mechanism disposed on the frame 12 and capable of driving the screw to rotate to rise/fall, wherein the pressing portion is connected with a screw nut 341 of the pressing screw pair 34 so as to rise/fall along with the pressing screw pair. Further, the pressing mechanism 3 further includes a balancing mechanism 36, where the balancing mechanism 36 includes a balancing connection block 361 sleeved on the screw nut 341 and a balancing force output mechanism connected between the pressing portion and the balancing connection block 361, and the balancing force output mechanism includes a balancing cylinder 362, a balancing hydraulic cylinder, and/or a balancing spring diagonally connected to corresponding positions of the balancing connection block 361. Further, the pushing mechanism 3 further includes a guiding mechanism, the guiding mechanism includes a guiding post 37 disposed at a corresponding position on the balance connecting block 361 in a diagonal manner, and the guiding post 37 movably penetrates through the corresponding position on the top frame 123. Wherein:
The second rail assembly 31 includes a first rail 311 and a second rail 312 disposed at intervals along a width direction of an inner side surface of the first side frame 121, a first slider 313 disposed on the first rail 311, and a second slider 314 disposed on the second rail 312. The third sliding rail assembly 32 includes a third sliding rail 321 disposed on the second side frame 122 at a position corresponding to the first sliding rail 311, a fourth sliding rail 322 at a position corresponding to the second sliding rail 312, a third sliding block 323 disposed on the third sliding rail 321, and a fourth sliding block 324 disposed on the fourth sliding rail 322. The first end of the pressing portion is connected to the first slider 313 and the second slider 314, and the second end of the pressing portion is connected to the third slider 323 and the fourth slider 324. Further, the pressing portion includes a pressing block 331, a first connecting block 332 vertically disposed at a first end of the pressing block 331, and a second connecting block 333 vertically disposed 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 central hole is formed in the center of the top frame 123, and a bearing set is disposed in the central hole. The upper end of the lower screw rod pair 34 is inserted into the bearing group, and a first driving wheel is disposed at a section of the lower screw rod pair 34 protruding from 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 driving belts are sleeved on the first driving wheel and the second driving wheel. When the driving motor 35 rotates, the lower pressing screw pair 34 is driven to rotate around the axis of the lower pressing screw pair in the original position.
The screw nut 341 of the pressing screw pair 34 is located below the top frame 123, and the balance connecting block 361 is sleeved on the screw nut 341 so as to be capable of moving up and down along with the screw nut 341. The four guide posts 37 are respectively disposed at four corners of the balance connecting block 361, and the four guide posts 37 are disposed on the top frame 123 in an upward penetrating manner. The number of the balancing cylinders 362 is four, and each group is two by two and is connected to the lower end of the balancing connection block 361 in a diagonal manner, and the four balancing cylinders 362 are arranged in a rectangular shape on the projection of a horizontal plane. Two first dovetail grooves 3611 are formed in the lower end of the balance connecting block 361, and the two first dovetail grooves 3611 penetrate through the balance connecting block 361 along the width direction of the balance connecting block 361. The upper end of each balancing cylinder 362 is provided with a fixed disk 3621 with a shape matched with that of the first dovetail groove 3611 in a ring, and two balancing cylinders 362 in the same row are arranged in a corresponding first dovetail groove 3611. The lower end of each balancing cylinder 362 is fixed to the lower pressing block 331.
The top surface testing jig 4 comprises a mounting seat 41, a quick-change structure 42 arranged on the bottom end surface of the mounting seat 41, and a detachable top surface coating part 43 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 frame 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 frame 12, a fixed block 423 arranged on the bottom surface of the mounting seat 41 and positioned in a space between the first L-shaped block 421 and the second L-shaped block 422, and first stop blocks 424 detachably arranged at two ends of the fixed block 423, wherein the lower end surface of the first stop block 424 is lower than the bottom surface of the fixed block 423, and a space with a preset height is arranged 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 insert portion 431 capable of being inserted into a space below the fixing block 423 of the first L-shaped block 421 and the second L-shaped block 422, and a top surface coating block 432 disposed at a bottom end of the T-shaped insert portion 431. Preferably, a handle 433 is further disposed on a side surface of the T-shaped snap-in portion 431.
In this embodiment, a fifth slider 315 is further disposed on the first sliding rail 311 at a position below the first slider 313, a sixth slider 316 is further disposed on the second sliding rail 312 at a position below the second slider 314, a seventh slider 325 is further disposed on the third sliding rail 321 at a position below the third slider 323, and an eighth slider 326 is further disposed on the fourth sliding rail 322 at a position below the fourth slider 324. The first end of the mounting seat 41 is connected to the fifth slider 315 and the sixth slider 316, and the second end of the mounting seat 41 is connected to the seventh slider 325 and the eighth slider 326. Further, the mounting seat 41 includes a mounting block 411, a third connecting block 412 standing on a first end of the mounting block 411, and a fourth connecting block 413 standing on a second end of the mounting block 411, wherein 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. Further, two ends of the mounting seat 41 are provided with a supporting block 414 which is abutted against the bottom surface of the lower pressing block 331, a lower pressing table 333 is arranged at the center position of the lower end surface of the lower pressing block 331 in a downward protruding mode, a pressure sensor component 334 is arranged at the position, corresponding to the lower pressing table 333, of the mounting seat 41, when the lower pressing block 331 is pressed downwards, the lower end surface of the lower pressing block 331 is abutted against the upper end of the supporting block 414, the lower pressing table 333 is pressed downwards on the pressure sensor component 334 to drive the mounting block 411 to move downwards to the position of the bottom surface testing jig 2, and constant preset pressure is always applied in the testing process until the corresponding surface testing is finished.
In this embodiment, in order to enable the top surface test fixture 4 to reset upwards along 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 test fixture 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 test fixture 4, and a second stop block 72 preventing the guiding connecting rod 71 from penetrating downwards out of the pressing portion is disposed at a top end of the guiding connecting rod 71 protruding upwards from the pressing portion. Thus, when the pushing mechanism 3 moves downward, the pushing portion can move downward along the height direction of the guide connecting rod 71, so as to be pushed down on the top surface testing jig 4, when the pushing mechanism 3 moves upward, after moving to the bottom surface of the second stop block 72, the guide connecting rod 71 is driven to move upward, and then the top surface testing jig 4 fixedly connected with the lower end of the guide connecting rod 71 is reset upward following the pushing 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, and the fixing block 423 is provided with a second mounting hole (not shown) corresponding to the positions of the mounting holes on the two L-shaped blocks, and when the fixing block 423 is mounted, screws are locked in the first mounting hole and the second mounting hole in a one-to-one correspondence manner, so that the fixing block 423 can be mounted and fixed.
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 cladding part 52 comprises a first side cladding plate matched with the height of the first side of the battery 100, a first corner cladding plate bent and connected with the top surface of the first side cladding plate to cover the corner part of the first side and the top surface of the battery 100, and a second corner cladding plate bent and connected with the bottom surface of the first side cladding plate to cover the corner part of the first side and the bottom surface of the battery 100; the second side covering portion 62 includes a second side covering plate 621 matching the height of the second side of the battery 100, a third corner covering plate 622 bent and connected to the top surface of the second side covering plate 621 to cover the corner portion of the second side and the top surface of the battery 100, and a fourth corner covering plate 623 bent and connected to the bottom surface of the second side covering plate 621 to cover the corner portion of the second side and the bottom surface of the battery 100.
Further, the first side testing 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 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 covering portion 52 further includes a first fixing block 423 formed by extending from a top surface of the first side covering plate toward the first C-shaped seat, and a second fixing hole is formed at a position on the first fixing block 423 corresponding to the first fixing hole; and/or the second side testing fixture 6 further comprises a second base, the second base comprises a second bottom plate 631 connected with the output end of the second driving mechanism 61, a second T-shaped seat 632 arranged on the second bottom plate 631 and facing the second side of the battery 100, and a second C-shaped seat 633 arranged on the second T-shaped seat 632, a third fixing hole is formed in the top surface of the second C-shaped seat 633, the second side cladding portion 62 further comprises a second fixing block 423 formed by extending from the top surface of the second side cladding plate 621 towards the direction of the second C-shaped seat 633, and a fourth fixing hole is formed in the position, corresponding to the first fixing hole, on the second fixing block 423.
The bottom surface testing fixture 2 comprises a third base 21 arranged on the first slide rail 311 assembly 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 upwards, and the battery clamping mechanism is arranged on the top seat 82 so as to clamp the battery 100 and ascend to a horizontal position corresponding to the first side testing jig 5 and the second side testing jig 6 along with the top seat 82.
The battery clamping mechanism comprises a first clamping part arranged on the top seat 82 at a position corresponding to the first end face of the battery 100 and a second clamping part arranged on the top seat 82 in an opposite mode and corresponding to the second end face of the battery 100; the first clamping part comprises a first clamping cylinder 241 arranged on the top seat 82 and positioned outside the first end surface of the battery 100, and a first clamping block 242 connected with an output shaft of the first clamping cylinder 241 so as to be capable of moving along with the output shaft in the direction of the first end surface of the battery 100; the second clamping portion includes a second clamping cylinder 243 provided on the top base 82 and located outside the second end surface 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 a direction of the second end surface of the battery 100 along with the output shaft. In this embodiment, the first clamping portion and the second clamping portion are not on the same plane as the first side testing jig 5 and the second side testing jig 6, and the connecting line of the first clamping portion and the second clamping portion is at an angle of 90 degrees with the connecting line of the first side testing jig 5 and the second side testing jig 6, so that after the first clamping portion and the second clamping portion clamp the battery 100 to the horizontal positions of the first side testing jig 5 and the second side testing jig 6, and the first side testing jig 5 and the second side testing jig 6 perform insulation testing on the battery 100, the first side and the second side of the battery 100 can be effectively and completely subjected to cladding testing without missing any one test point, thereby ensuring test completeness, improving test efficiency and test accuracy. The first clamping cylinder 241 and the second clamping cylinder 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 directions to clamp the battery 100 is not limited to the above-mentioned cylinder and hydraulic cylinder, and may be replaced as long as components, such as a mechanism arm, such as a motor, and a mechanism positioning structure, etc., for clamping the battery 100 can be realized according to the requirements of different embodiments.
Further, the jacking mechanism comprises a first jacking cylinder 811 arranged on the third base 21 at a position outside one side of the battery 100, a second jacking cylinder (not shown) arranged on the third base 21 at a position outside the other side of the battery 100 (opposite arrangement), 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 connection seat 821 and a second connection seat (not shown) are arranged at the positions of the lower end surface of the top seat 82 corresponding to the first lifting cylinder 811 and the second lifting cylinder, and a guide hole which is in guide fit with the guide rod 812 is arranged at the position of the top seat 82 corresponding to the guide rod 812; the first connecting seat 821 and the second connecting seat each comprise a fixed block 423 fixed to the top seat 82, a first L-shaped side block standing on one side of the lower end surface of the fixed block 423, and a second L-shaped side block opposite to the first L-shaped side block and arranged on the lower end surface of the fixed block 423, wherein a certain interval is provided between the first L-shaped side block and the second L-shaped side block; the space between the two vertical portions of the first and second L-shaped side blocks forms an installation space 822 in which the disc 813 is disposed, and the space between the two lateral portions of the first and second L-shaped side blocks forms a channel in which the output shaft of the corresponding jack cylinder is vertically disposed. 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: 1. and (3) feeding the battery 100: the bottom surface test jig 2 is used for placing the battery 100 on the bottom surface test jig 2 when the material is loaded, and moving the bottom surface test jig 2 to a test position; 2. top and bottom surface insulation test: the battery clamping mechanism clamps the battery 100, the driving motor 35 drives the pressing screw pair 34 to rotate in the corresponding direction, the screw nut 341 on the pressing screw pair 34 moves downwards after the pressing screw pair 34 rotates in the corresponding direction, the balance connecting block 361 arranged on the screw nut 341 moves downwards in a balanced way under the guiding action of the guiding mechanism, and the balance air cylinder 362 arranged between the pressing part and the balance connecting block 361 not only serves as a transmission part to enable the pressing part to move downwards, but also has upward balance force to enable the pressing part to move downwards more balanced and stable; the pressing part moves downwards on the second sliding rail 312 assembly 31 and the third sliding rail 321 assembly 32, when the lower end face of the pressing part abuts against the upper end face of the mounting part, the mounting part moves downwards under the assistance of the second sliding rail 312 assembly 31 and the third sliding rail 321 assembly 32, the top surface coating part 43 positioned on the lower end face of the mounting part moves downwards to the position below the top surface of the battery 100 positioned on the bottom surface testing jig 2, the battery 100 is pressed downwards, constant preset pressure is applied, insulation testing requirements are met, and after the top surface and the bottom surface are tested, the pressing mechanism 3 and the top surface testing jig 4 are reset; 3. the jacking mechanism is started to lift the top seat 82 upwards, so that the battery 100 is lifted to the horizontal position where the first side testing jig 5 and the second side testing jig 6 are located, the first side testing jig 5 and the second side testing jig 6 move to the first side and the second side of the battery 100 respectively and are coated on the two sides, the first side coating part 52 and the second side coating part 62 are all in a C shape, and the positions of the upper and lower water caltrops of the corresponding sides are effectively coated besides the sides of the battery 100, so that the battery 100 is effectively and comprehensively tested, and the testing accuracy is improved. 4. And (3) blanking the battery 100, and after the side insulation test of the battery 100 is finished, moving the bottom surface test jig 2 to the blanking position to finish the blanking process.
According to the embodiment of the invention, the bottom surface testing mechanism can complete the whole process of feeding, testing and discharging on the first sliding rail 311 assembly 13, and can automatically and integrally work in the whole process, and the pressing mechanism 3 drives the top surface testing jig 4 to effectively test the top surface and the bottom surface of the battery 100, so that the testing efficiency is improved. The two side surfaces of the battery 100 are simultaneously subjected to insulation test through the first side surface test jig 5 and the second side surface test jig 6, the battery 100 is lifted to the positions of the two side surface test jigs only by lifting the bottom surface test jig 2, the problem that the two side surface test jigs cannot completely cover the side surfaces of the battery 100 due to lifting of the bottom surface test jig 2, and then the side surfaces of the battery 100 cannot be subjected to insulation test completely and effectively is solved, meanwhile, a special C-shaped cover part not only performs insulation test on the side surfaces of the battery 100, but also performs test on the corner positions of the battery 100, and the problems that convex diamond of the battery 100 cannot be tested, the test is incomplete and the like are solved. The battery insulation test device effectively reduces test time, improves test efficiency, increases test range, and achieves the function of one machine for multiple purposes.
The foregoing is only the embodiments of the present invention, and therefore, the patent scope of the invention is not limited thereto, and all equivalent structures or equivalent processes using the descriptions of the present invention and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the invention.
Claims (8)
1. The utility model provides a battery insulation testing device, includes the platform, strides to locate frame on the platform, locate insulation tester in the frame, follow the first slide rail subassembly that platform length direction set up, locate on the first slide rail subassembly and with the bottom surface test fixture that insulation tester electricity is connected, locate the frame top corresponds to the push down mechanism of bottom surface test fixture position department and locate push down mechanism below and with the top surface test fixture that insulation tester electricity is connected, its characterized in that: the battery testing device comprises a rack, a first side testing jig and a second side testing jig, wherein the first side testing jig is arranged on a first side frame of the rack and corresponds to a first side of a battery, the second side testing jig is arranged on a second side frame of the rack in an opposite mode and corresponds to a second side of the battery, the first side testing jig comprises a first driving mechanism which is arranged on the inner side of the first side frame of the rack and can act towards the first side of the battery, a first side coating part is arranged at the output end of the first driving mechanism, and the second side testing jig comprises a second driving mechanism which is arranged on the inner side of the second side frame of the rack and can act towards the second side of the battery, and a second side coating part is arranged at the output end of the second driving mechanism; the first side cladding part comprises a first side cladding plate matched with the height of the first side of the battery, a first corner cladding plate which is in bending connection with the top surface of the first side cladding plate so as to cladding the corner parts of the first side and the top surface of the battery, and a second corner cladding plate which is in bending connection with the bottom surface of the first side cladding plate so as to cladding the corner parts of the first side and the bottom surface of the battery; the second side surface coating part comprises a second side surface coating plate matched with the height of the second side surface of the battery, a third corner coating plate which is in bending connection with the top surface of the second side surface coating plate so as to coat the corner parts of the second side surface and the top surface of the battery, and a fourth corner coating plate which is in bending connection with the bottom surface of the second side surface coating plate so as to coat the corner parts of the second side surface and the bottom surface of the battery;
The bottom surface testing jig 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;
The horizontal position of the first side surface testing jig and the second side surface testing jig is higher than that of the bottom surface testing jig; the battery clamping mechanism is arranged on the top seat so as to clamp the battery and ascend to the horizontal position corresponding to the first side testing jig and the second side testing jig along with the top seat.
2. The battery insulation test device according to claim 1, wherein: the pushing mechanism comprises a second sliding rail component arranged on the inner side of the first side frame of the frame, a third sliding rail component vertically arranged on the inner side of the second side frame of the frame and corresponding to the position of the second sliding rail component, a pushing part, two ends of which are respectively in sliding fit with the second sliding rail component and the third sliding rail component, a pushing screw pair vertically penetrating the top frame of the frame and capable of rotating around the axis of the top frame, and a third driving mechanism which is arranged on the frame and capable of driving the screw to move up/down in a rotating manner, wherein the pushing part is connected with a screw nut of the pushing screw pair so as to be capable of ascending/descending along with the screw nut.
3. The battery insulation test device according to claim 2, wherein: the pressing mechanism further comprises a balancing mechanism, the balancing mechanism comprises a balancing connecting block sleeved on the screw rod nut and a balancing force output mechanism connected between the pressing portion and the balancing connecting block, and the balancing force output mechanism comprises a balancing cylinder, a balancing hydraulic cylinder and/or a balancing spring which are connected at corresponding positions of the balancing 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 a diagonal mode, and the guide columns movably penetrate through corresponding positions on the top frame.
5. The battery insulation test device according to claim 1, wherein: the top surface testing jig comprises a mounting seat, a quick-change structure arranged on the bottom end surface of the mounting seat and a detachable top surface coating part arranged on the quick-change structure; the quick-change structure comprises a first L-shaped block arranged on the bottom surface of the mounting seat and close to a first side frame of the frame, a second L-shaped block arranged on the bottom surface of the mounting seat and close to a second side frame of the frame, a fixed block arranged on the bottom surface of the mounting seat and positioned in a space between the first L-shaped block and the second L-shaped block, and first stop blocks detachably arranged at two ends of the fixed block, wherein 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 arranged between the bottom surface of the fixed block and the transverse parts of the first L-shaped block and the second L-shaped block; the top surface cladding part comprises a T-shaped quick inserting part which can be inserted into the space below the fixed block in the first L-shaped block and the second L-shaped block, and a top surface cladding block arranged at the bottom end of the T-shaped quick inserting part.
6. The battery insulation test device according to claim 1, wherein: the first side 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 the first bottom plate and facing to one surface of the first side of the battery, 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 coating part further comprises a first fixing block formed by extending from the top surface of the first side 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, on the first fixing block; and/or the second side 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 the second bottom plate and facing to one side of the second side of the battery, 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 coating part further comprises a second fixing block formed by extending from the top surface of the second side coating plate to the direction of the second C-shaped seat, and a fourth fixing hole is formed in the position, corresponding to the first fixing hole, on the second fixing block.
7. The battery insulation test device according to claim 1, 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 the first end face of the battery, and the second clamping part is arranged on the top seat in an opposite mode and corresponds to the second end face of the battery; the first clamping part comprises a first clamping cylinder arranged on the top seat and positioned at 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 so as to be capable of moving along with the direction of the output shaft to the first end face of the battery; the second clamping part comprises a second clamping cylinder arranged on the top seat and positioned at the outer side of the second end face of the battery, and a second clamping block connected with an output shaft of the second clamping cylinder so as to move along with the direction of the output shaft to the second end face of the battery.
8. The battery insulation test device according to claim 1, wherein: the jacking mechanism comprises a first jacking cylinder arranged on the third base at a position outside one side of the battery, a second jacking cylinder arranged on the third base at a position outside the other side of the battery and a guide rod arranged at each corner position on the third base, and the top ends of 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 at the positions, corresponding to the first jacking cylinder and the second jacking cylinder, of the lower end face of the top seat, and a guide hole matched with the guide rod in a guide way is arranged at the position, corresponding to the guide rod, of the top seat; the first connecting seat and the second connecting seat comprise a fixed block fixed with the top seat, a first L-shaped side block arranged on one side of the lower end surface of the fixed block in a standing way, and a second L-shaped side block arranged on the lower end surface of the fixed block and opposite to the first L-shaped side block, wherein a certain interval 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 in which the disc is arranged, 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 in which the output shaft of the corresponding jacking cylinder is vertically arranged.
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| CN202110020352.3A CN112924724B (en) | 2021-01-07 | 2021-01-07 | Battery insulation testing device |
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| CN202110020352.3A CN112924724B (en) | 2021-01-07 | 2021-01-07 | Battery insulation testing device |
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