CN115166567A - Battery pack detection device and application method - Google Patents
Battery pack detection device and application method Download PDFInfo
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- CN115166567A CN115166567A CN202211087973.4A CN202211087973A CN115166567A CN 115166567 A CN115166567 A CN 115166567A CN 202211087973 A CN202211087973 A CN 202211087973A CN 115166567 A CN115166567 A CN 115166567A
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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
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/396—Acquisition or processing of data for testing or for monitoring individual cells or groups of cells within a battery
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
- G01N3/04—Chucks
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/30—Investigating strength properties of solid materials by application of mechanical stress by applying a single impulsive force, e.g. by falling weight
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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
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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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- 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
Abstract
The invention discloses a battery pack detection device and a using method thereof, the battery pack detection device comprises a driving mechanism and a device base, the device base is positioned below the driving mechanism, the lower end surface of the driving mechanism drives a movable detection plate, the lower end surface of the movable detection plate is provided with a through contact pin, the upper end of the device base is provided with a clamping seat for fixing a battery pack, the upper end surface of the device base is provided with a rotating groove, a plurality of groups of transparent protection plates are rotatably connected inside the rotating groove, the edges of the transparent protection plates are mutually spliced, and the device effectively solves the problem of smoke pollution caused by deflagration of the battery pack in the detection process.
Description
Technical Field
The invention relates to the technical field of detection equipment, in particular to battery pack detection equipment and a using method thereof.
Background
The battery needling tester is suitable for battery needling tests, and is suitable for simulating the situation that the battery is pierced by sharp objects when various batteries are used, transported, stored or treated for household waste. The test result is qualified that the battery does not explode and ignite.
Chinese patent publication No. CN107533112B provides an apparatus and method for nail penetration testing of secondary batteries. Apparatus for performing the nail penetration test comprising: a stage on which a secondary battery as a target of a nail penetration test is fixed; a nail penetration unit including a nail lifting/lowering device; a voltage measurement unit configured to repeatedly measure a short-circuit voltage of the secondary battery at time intervals during the nail penetration test; and a controller operatively coupled to the voltage measurement unit. The controller periodically receives the short-circuit voltage from the voltage measuring unit, determines a short-circuit current, which allows the received short-circuit voltage to be applied between outermost nodes of an equivalent circuit of the modeled secondary battery, whenever the short-circuit voltage is received, and visually outputs a change in a value of the determined short-circuit current with time through the display unit.
Current piercing depth is when using, because the lithium cell structure is active, and then makes its puncture test have great danger, and it is very easy to get on fire and produce the detonation at the puncture in-process, contains more harmful substance in the produced smoke and dust of lithium electricity deflagration simultaneously and all has very big harm to testing personnel and test equipment, and the smoke and dust is difficult clearance and collection along with gas diffusion after the detonation.
Therefore, it is necessary to provide a battery pack detection apparatus and a method of using the same to solve the above-mentioned problems.
Disclosure of Invention
The present invention is directed to a battery pack detection apparatus and a method of use to solve the above-mentioned problems.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a group battery check out test set, includes actuating mechanism and device base, the device base is located actuating mechanism's below, the terminal surface drive has the activity pick-up plate under the actuating mechanism, the lower terminal surface of activity pick-up plate is equipped with and wears the contact pin, the upper end of device base is equipped with the grip slipper of fixed battery package, the rotation groove has been seted up to the up end of device base, it is connected with the transparent backplate of multiunit to rotate inslot portion, the edge of transparent backplate splices each other.
As a further scheme of the invention, a sealing plate groove is formed in the driving mechanism, a plurality of groups of movable sealing plates are slidably connected in the sealing plate groove, the edges of the plurality of groups of movable sealing plates are mutually spliced, the movable sealing plates correspond to the transparent protection plates in position, a positioning rod is fixedly connected to the lower end face of each movable detecting plate, and a positioning sleeve matched with the positioning rod is arranged on the upper end face of the base of the device.
As a further scheme of the invention, the movable detection plate comprises a detection plate main body, a detection plate extension and a 'return' shaped groove, the detection plate main body is connected with a driving mechanism through a telescopic push rod in a driving mode, the detection plate extension is arranged on the detection plate main body extension, the 'return' shaped groove is formed between the detection plate main body and the detection plate extension, the 'return' shaped groove is matched with the movable sealing plate, a movable pin plate which is abutted against the movable sealing plate is arranged in the 'return' shaped groove, and the detection plate main body is connected with the detection plate extension through the movable pin plate.
As a further scheme of the invention, the transparent protection plate comprises a protection plate main body, a rotating rod and an elastic tying band, wherein the rotating rod is rotatably connected inside the rotating groove, the protection plate main body is fixedly connected with the rotating rod, the elastic tying band is fixedly connected to one side, which is attached to the rotating groove, of the protection plate main body, and a plurality of groups of micropores are formed in the middle of the protection plate main body in an upward mode.
As a further scheme of the invention, bevel gears are fixedly connected to two ends of the rotating rod, a plurality of groups of transparent guard plates are mutually meshed through the bevel gears, and inclined surfaces are respectively arranged on the end surfaces of the movable sealing plate and the guard plate main body.
As a further scheme of the invention, the movable pin plate is connected inside the detection plate main body in a sliding manner, one end of the movable pin plate, which is far away from the detection plate main body, is attached to the bottom of the extension of the detection plate, and the side end face of the movable pin plate is provided with an inclined face part matched with the inclined face.
As a further scheme of the invention, a spring is elastically connected to the extension of the movable pin plate away from the detection plate, one end of the spring away from the movable pin plate is elastically connected with the detection plate main body, a limiting groove matched with the movable sealing plate is formed in the movable pin plate, and the limiting groove is matched with the movable sealing plate.
And further, the inclination is cut to the inclined plane of activity shrouding and backplate main part contact department different, just activity shrouding bottom inclined plane is equipped with sealed the pad.
A method of using a battery pack inspection apparatus, comprising the steps of: fix the battery package at the up end middle part of device base through the grip slipper, control actuating mechanism drive activity pick-up plate drive wear moving down of contact pin, with the battery package puncture to make the pjncture needle stop and accomplish the puncture test inside the battery package, at the puncture in-process, transparent backplate edge splices each other and keeps vertical state.
When the device is used, the battery pack is fixed in the middle of the upper end face of the device base through the clamping seat by the device base, the driving mechanism drives the movable detection plate to drive the penetrating pin to move downwards so as to penetrate the battery pack, the penetrating pin is enabled to stay in the battery pack to complete a penetration test, the transparent protection plates are kept vertical in the penetration process, the edges of the transparent protection plates are mutually spliced, the edges of the transparent protection plates are mutually attached along with the falling of the movable detection plate, and therefore smoke flying caused by fire and deflagration of the battery pack in the penetration process is effectively avoided.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
FIG. 1 is a schematic diagram of the apparatus of the present invention;
FIG. 2 is a schematic view of the apparatus of the present invention with the movable closing plate removed;
FIG. 3 is an enlarged schematic view of the invention at A in FIG. 1;
FIG. 4 is a schematic view of the structure of the transparent cover plate of the present invention;
FIG. 5 is a schematic view of the movable sealing plate and the transparent protective plate in the detection process of the present invention;
FIG. 6 is a schematic structural diagram of the movable sealing plate and the transparent protective plate in a deflagration state of the battery pack during the detection process according to the present invention;
fig. 7 is a structural schematic view of a rotating lever driving state of the present invention;
FIG. 8 is a schematic view of a cleaning roller according to the present invention;
FIG. 9 is a schematic view of the movable pin plate structure of the present invention;
FIG. 10 is a schematic top view of the transparent cover of the present invention after being unfolded.
In the figure: 1. a drive mechanism; 2. a plate sealing groove; 3. a movable closing plate; 4. a movable detection plate; 5. a device base; 6. a clamping seat; 7. a transparent guard plate; 8. inserting a pin; 9. positioning a rod; 10. positioning the sleeve; 11. a rotating groove; 12. a battery pack; 13. micropores; 14. a detection board main body; 15. detecting plate epitaxy; 16. a "return" slot; 17. a telescopic push rod; 18. a guard plate main body; 19. an inclined surface; 20. rotating the rod; 21. an elastic tie; 22. a bevel gear; 23. a spring; 24. a movable pin plate; 25. an inclined plane part; 26. a limiting groove.
Detailed Description
Example one
As shown in fig. 1-3, a battery pack detection device comprises a driving mechanism 1 and a device base 5, wherein the device base 5 is located below the driving mechanism 1, a movable detection plate 4 is driven by the lower end surface of the driving mechanism 1, a through pin 8 is arranged on the lower end surface of the movable detection plate 4, a clamping seat 6 for fixing a battery pack 12 is arranged at the upper end of the device base 5, a rotation groove 11 is formed in the upper end surface of the device base 5, a plurality of groups of transparent protection plates 7 are rotatably connected inside the rotation groove 11, and the edges of the transparent protection plates 7 are mutually spliced.
During the use, device base 5 passes through grip slipper 6 to fix battery package 12 at device base 5's up end middle part, thereby actuating mechanism 1 drive activity pick-up plate 4 drives and wears moving down of contact pin 8 and puncture battery package 12, and make the pjncture needle stop and accomplish the puncture test inside battery package 12, in the puncture in-process, transparent backplate 7 keeps vertical the edge of making transparent backplate 7 to amalgamate each other, along with the whereabouts of activity pick-up plate 4, the edge of transparent backplate 7 laminates each other, thereby effectively avoid battery package 12 to get into fire the smoke and dust that the detonation leads to and fly upward in the puncture.
Example two
On the basis of the first embodiment, as shown in fig. 1-3 and 5-6, a sealing plate groove 2 is formed in the driving mechanism 1, a plurality of groups of movable sealing plates 3 are slidably connected in the sealing plate groove 2, the edges of the plurality of groups of movable sealing plates 3 are spliced with each other, the movable sealing plates 3 correspond to the transparent protective plate 7 in position, a positioning rod 9 is fixedly connected to the lower end face of the movable detecting plate 4, and a positioning sleeve 10 matched with the positioning rod 9 is arranged on the upper end face of the device base 5.
As shown in fig. 1-3 and 5-6, the movable detection plate 4 comprises a detection plate main body 14, a detection plate extension 15 and a 'return' shaped groove 16, the detection plate main body 14 is connected with the driving mechanism 1 in a driving mode through a telescopic push rod 17, the detection plate extension 15 is arranged on the extension of the detection plate main body 14, the 'return' shaped groove 16 is formed between the detection plate main body 14 and the detection plate extension 15, the 'return' shaped groove 16 is matched with the movable sealing plate 3, a movable pin plate 24 which is abutted against the movable sealing plate 3 is arranged inside the 'return' shaped groove 16, and the detection plate main body 14 is connected with the detection plate extension 15 through the movable pin plate 24.
During the use, flexible push rod 17 is through the puncture detection of the completion of moving down of driving detection board main part 14 to battery package 12, and further be equipped with "return" shape groove 16, "return" shape groove 16 and the adaptation of movable closing plate 3, along with moving down of movable detection board 4, when movable detection board 4 and transparent backplate 7 laminating, movable closing plate 3 cancels closing to "returning" shape groove 16 to make "returning" shape groove 16 pass movable closing plate 3 and transparent backplate 7 and laminate mutually, thereby with the middle part regional seal between the transparent backplate 7, the flying upward of the harmful smoke and dust that leads to when further avoiding battery package 12 to get on fire the burning.
As shown in fig. 1-7 and 9-10, the transparent protective plate 7 includes a protective plate main body 18, a rotating rod 20 and an elastic fastening band 21, the rotating rod 20 is rotatably connected inside the rotating groove 11, the protective plate main body 18 is fixedly connected with the rotating rod 20, the elastic fastening band 21 is fixedly connected to one side of the protective plate main body 18, which is attached to the rotating groove 11, and a plurality of groups of micropores 13 are formed in the middle of the protective plate main body 18.
As shown in fig. 1-7 and 9-10, two ends of the rotating rod 20 are fixedly connected with bevel gears 22, a plurality of groups of transparent protection plates 7 are mutually engaged through the bevel gears 22, and the end surfaces of the movable sealing plate 3 and the protection plate main body 18 are both provided with inclined surfaces 19.
When the device is used, micropores 13 are formed in the middle of the guard plate main body 18, so that the air in the transparent guard plate 7 can circulate in a small amount, when the battery pack 12 is prevented from being detected, the influence of internal sealing on a detection result is avoided, meanwhile, the guard plate main body 18 is attached to one side of the inner wall of the rotating groove 11 through elastic traction of the elastic belts 21, the guard plate main body 18 is kept in a vertical state, the edges of the guard plate main body 18 are provided with inclined planes 19, the guard plate main body 18 can be spliced under the action of elasticity, the sealing effect of the spliced guard plate main body 18 and the rear end is improved, the movable guard plate 3 is attached to the upper portion of the guard plate main body 18 along with downward movement in the detection process of the device, the upper portion edge of the guard plate main body 18 is also provided with the inclined planes 19, further, the inclined planes of the guard plate main body 18 and the movable guard plate main body 3 are attached to each other, when the battery pack 12 is deflagration in the detection process, the explosive growth of the air flow in the transparent guard plate 7 is caused, the rotating plate main body 18 is pushed down, the guard plate main body 18 is extended along with the deflagration 20, further, when the guard plate main body 18 is extended, the movable guard plate main body falls under the action of gravity, the inclined planes of the movable guard plate 3 is attached to the inclined planes, the lower end of the inclined planes 19, the inclined planes of the guard plate main body 18, the closed guard plate main body 18 can be attached to the dust in the dust-sealed environment, and the dust-sealed guard plate 12, and the dust-free environment of the dust-sealed guard plate 12 can be prevented from being polluted environment.
As shown in fig. 1 to 6 and 8, the movable pin plate 24 is slidably connected inside the detection plate main body 14, one end of the movable pin plate 24, which is away from the detection plate main body 14, is attached to the bottom of the detection plate extension 15, and a side end face of the movable pin plate 24 is provided with an inclined face portion 25 which is matched with the inclined face 19.
As shown in fig. 1-6 and 8, a spring 23 is elastically connected to the movable pin plate 24 away from the detection plate extension 15, one end of the spring 23 away from the movable pin plate 24 is elastically connected to the detection plate main body 14, a limiting groove 26 matched with the movable closing plate 3 is formed in the movable pin plate 24, and the limiting groove 26 is matched with the movable closing plate 3.
When the detection plate is used, the movable pin plate 24 is elastically embedded in the detection plate main body 14 through the spring 23, and the detection plate extension 15 is attached to the upper surface of the movable pin plate 24, so that the detection plate extension 15 moves downwards along with the movement of the detection plate main body 14 synchronously, and the return-groove 16 arranged between the detection plate extension 15 and the detection plate main body 14 can be used for preliminary limiting of the movable closing plate 3, so that the movable closing plate 3 is attached to the surface of the movable pin plate 24, along with the downward movement of the detection plate main body 14, the inclined surface 25 of the side end surface of the movable pin plate 24 is attached to the inclined surface 19 of the upper end surface of the guard plate main body 18, along with the continuous downward movement of the detection plate main body 14, the inclined surface 19 pushes the movable pin plate 24 to move transversely under the action of the inclined surface, so that the limit groove 26 in the movable pin plate 24 is communicated with the return-groove 16, so that the detection plate main body 14 can be attached to the transparent guard plate 7 when falling, at the inclined surface of the detection plate main body 3 passes through the return-groove 16 and is attached to the guard plate main body 18, and in order to avoid the mutual interference of the positions of the movable pin plates 24, and the multiple groups of the movable pin plates can adopt the staggered design.
Furthermore, the inclination of the inclined surface 19 at the contact part of the movable sealing plate 3 and the protective plate main body 18 is different, and the inclined surface 19 at the bottom of the movable sealing plate 3 is provided with a sealing gasket.
During the use, because inclined plane contact department gradient is different between activity shrouding 3 and the backplate main part 18, make backplate main part 18 when outwards overturning under the gaseous promotion of deflagration, activity shrouding 3 can be in action whereabouts under the gravity, in the aspect of the material, backplate main part 18 can select the transparent ya keli material of light, be convenient for survey and gas drive, and activity shrouding 3 can adopt materials such as high density metal, and be equipped with inclined plane 19 of laminating each other in the edge of activity shrouding 3, activity shrouding 3 is when the whereabouts, under the extrusion of backplate main part 18 elasticity, will remove the sideslip to inside production, make 3 edges of activity shrouding laminate each other, thereby replace backplate main part 18 to seal its inside region, and backplate main part 18 inside micropore 13 to setting up in upper portion region, after activity shrouding 3 falls down when backplate main part 18 rotates to certain angle, 3 bottom inclined plane 19 of activity shrouding will laminate with the 18 inclined plane of backplate main part 18, make activity shrouding 3 get into the encapsulated situation, carry out certain spacing to backplate main part 18 through the gravity of activity shrouding 3, the bottom is equipped with the sealed pad simultaneously, can further improve the activity shrouding 3 and the gaseous shrouding 18 that the backplate main part of activity shrouding 3 and the gaseous laminating degree of the micropore 12 that splashes has avoided splashing after the battery to spill over.
Further, the bottom of movable seal plate 3 and the top of backplate main part 18 are equipped with the horizontal segment of laminating each other, horizontal segment length is lower, make when detecting, if battery package 12 does not produce the detonation, when backplate main part 18 does not have the horizontal direction rotational drive power promptly, movable seal plate 3 will unable drive backplate main part 18 and continue to deflect, the convenience when the device is experimental is greatly improved, after battery package 12 produces the detonation, backplate main part 18 deflects under the air current promotes, make backplate main part 18 horizontal segment position remove, thereby make backplate main part 18 edge and the laminating of 3 bottom inclined planes 19 of movable seal plate, backplate main part 18 will continue to deflect under movable seal plate 3 gravity and air current drive this moment, until inclined planes 19 and the laminating of backplate main part 18 inclination, backplate main part 18 and the inseparable laminating of movable seal plate 3 and make and be close to each other between the movable seal plate 3 and realize airtight to battery package 12 surrounding area under the elastic frenulum 21 elastic force effect this moment.
A battery pack 12 is fixed in the middle of the upper end face of a device base 5 through a clamping seat 6, a control driving mechanism 1 drives a movable detection plate 4 to drive a penetrating pin 8 to move downwards, the battery pack 12 is punctured, the puncturing pin is stopped inside the battery pack 12 to complete a puncturing test, and the edges of transparent protection plates 7 are spliced with one another and kept in a vertical state in the puncturing process.
The working principle is as follows: the device base 5 fixes the battery pack 12 in the middle of the upper end face of the device base 5 through the clamping seat 6, the driving mechanism 1 drives the movable detection plate 4 to drive the penetrating pin 8 to move downwards so as to penetrate the battery pack 12, the penetrating pin is enabled to stay in the battery pack 12 to complete a penetration test, the transparent protection plate 7 is kept vertical so that the edges of the transparent protection plate 7 are spliced with each other in the penetration process, the edges of the transparent protection plate 7 are mutually attached along with the falling of the movable detection plate 4, therefore, smoke flying caused by fire and deflagration of the battery pack 12 in the penetration process is effectively avoided, the telescopic push rod 17 completes the penetration detection of the battery pack 12 by driving the downward movement of the detection plate main body 14, and is further provided with a 'return' shaped groove 16, the 'return' shaped groove 16 is matched with the movable detection plate 3, along with the downward movement of the movable detection plate 4, when the movable detection plate 4 is attached to the transparent protection plate 7, the movable detection plate 3 cancels the butting of the 'return' shaped groove 16, so that the 'return' groove 16 passes through the movable sealing plate 3 to be attached to the transparent protective plate 7, thereby sealing the middle area between the transparent protective plates 7, further avoiding the harmful smoke dust from flying when the battery pack 12 is on fire, and the micro-holes 13 are arranged above the middle part of the protective plate main body 18, so that the air in the transparent protective plate 7 can circulate in a small amount, thereby avoiding the influence of the internal sealing on the detection result when the battery pack 12 is detected, and simultaneously, the protective plate main body 18 is attached to one side of the inner wall of the rotating groove 11 through the elastic traction of the elastic lacing 21, so that the protective plate main body 18 keeps a vertical state, and the edge of the protective plate main body 18 is provided with the inclined plane 19, so that the protective plate main bodies 18 can be spliced with each other under the action of the elasticity, thereby improving the sealing effect after the splicing of the protective plate main body 18, and the movable sealing plate 3 is attached to the upper part of the protective plate main body 18 along with moving downwards in the detection process of the device, and because the edge of the upper part of the protection plate main body 18 is also provided with the inclined plane 19, so that the inclined plane is attached between the upper part of the protection plate main body 18 and the movable sealing plate 3, when the battery pack 12 is deflagrated in the detection process, the airflow inside the transparent protection plate 7 is explosively increased, the protection plate main body 18 is unfolded outwards along the rotating rod 20 under the pushing of the airflow, so that the movable sealing plate 3 falls under the action of gravity and is attached to the transparent protection plate 7 when the protection plate main body 18 is unfolded, thereby sealing the inner area of the transparent protection plate 7, meanwhile, the lower end surface of the movable sealing plate 3 is provided with the inclined plane 19, the inclined plane 19 can be attached to the inclined plane of the protection plate main body 18, the inner space of the protection plate main body 18 is actively closed while the position of the protection plate main body 18 is limited, and the harmful smoke dust caused by the deflagration of the battery pack 12 is prevented from flying to pollute the peripheral test environment, the movable pin plate 24 is elastically embedded in the detection plate main body 14 through the spring 23, and the detection plate extension 15 is attached to the upper surface of the movable pin plate 24, so that the detection plate extension 15 moves downwards synchronously along with the movement of the detection plate main body 14, and the 'return' shaped groove 16 arranged between the detection plate extension 15 and the detection plate main body 14 can be used for preliminary limiting of the movable closing plate 3, so that the movable closing plate 3 is attached to the surface of the movable pin plate 24, along with the downward movement of the detection plate main body 14, the inclined surface 25 of the side end surface of the movable pin plate 24 is attached to the inclined surface 19 of the upper end surface of the guard plate main body 18, along with the continuous downward movement of the detection plate main body 14, the inclined surface 19 pushes the movable pin plate 24 to move transversely under the action of the inclined surface, so that the limiting groove 26 in the movable pin plate 24 is communicated with the 'return' shaped groove 16, so that the detection plate main body 14 can be attached to the transparent guard plate 7 when falling, at this time, the movable closing plate 3 will penetrate through the 'return' shaped groove 16 and the limiting groove 26 to be attached to the inclined plane of the protecting plate main body 18, and in order to avoid mutual interference of the positions of the movable pin plates 24, a staggered design can be adopted between a plurality of groups of movable pin plates 24, because the gradient of the inclined plane contact part between the movable closing plate 3 and the protecting plate main body 18 is different, the protecting plate main body 18 can fall under the action of gravity when pushed by deflagration gas and turn over outwards, in terms of material, the protecting plate main body 18 can be made of light transparent acrylic material, so that the observation and gas driving are convenient, the movable closing plate 3 can be made of materials such as high-density metal, and the like, the inclined plane 19 which is attached to each other is arranged at the edge of the movable closing plate 3, when the movable closing plate 3 falls, under the extrusion action of the elasticity of the protecting plate main body 18, the movable closing plate 3 can move and move inwards to make the edges of the movable closing plate 3 attached to each other, therefore, the inner area of the protection plate main body 18 is replaced to be sealed, the micropores 13 in the protection plate main body 18 are arranged in the upper area, after the movable sealing plate 3 falls down, when the protection plate main body 18 rotates to a certain angle, the inclined plane 19 at the bottom of the movable sealing plate 3 is attached to the inclined plane of the protection plate main body 18, so that the movable sealing plate 3 enters a sealing state, the protection plate main body 18 is limited by the gravity of the movable sealing plate 3, meanwhile, the bottom of the movable sealing plate 3 is provided with a sealing gasket which can further improve the attaching degree of the movable sealing plate 3 and the protection plate main body 18, the attaching position of the movable sealing plate 3 and the protection plate main body 18 passes over the micropores 13, gas is prevented from overflowing from the micropores 13, the splashing of smoke dust after the battery pack 12 deflagration is greatly avoided, the bottom of the movable sealing plate 3 and the top of the protection plate main body 18 are provided with horizontal sections which are attached to each other, and the horizontal section is lower in length, when the detection is carried out, if the battery pack 12 does not produce detonation, when the backplate main part 18 has no horizontal direction rotational drive power, the movable sealing plate 3 can not drive the backplate main part 18 to continue deflecting, the convenience of the device during the test is greatly improved, after the battery pack 12 produces detonation, the backplate main part 18 deflects under the pushing of air flow, the horizontal section position of the backplate main part 18 moves, so that the edge of the backplate main part 18 is attached to the inclined plane 19 at the bottom of the movable sealing plate 3, at the moment, the backplate main part 18 continues deflecting under the driving of the gravity and the air flow of the movable sealing plate 3 until the inclined plane 19 is attached to the inclined plane 18 of the backplate main part, at the moment, under the elastic action of the elastic tying band 21, the backplate main part 18 is closely attached to the movable sealing plate 3, and the movable sealing plate 3 is close to each other to realize the sealing of the surrounding area of the battery pack 12.
Claims (7)
1. The utility model provides a group battery check out test set, includes actuating mechanism and device base, its characterized in that: the device base is positioned below the driving mechanism, the lower end face of the driving mechanism drives the movable detection plate, the lower end face of the movable detection plate is provided with a through contact pin, the upper end of the device base is provided with a clamping seat for fixing a battery pack, the upper end face of the device base is provided with a rotating groove for rotating, a plurality of groups of transparent protection plates are rotatably connected inside the rotating groove, and the edges of the transparent protection plates are mutually spliced;
the use method of the battery pack detection equipment comprises the following steps that a battery pack is fixed in the middle of the upper end face of a base of the device through a clamping seat, a driving mechanism is controlled to drive a movable detection plate to drive a penetrating pin to move downwards, the battery pack is penetrated, a penetrating needle is enabled to stay in the battery pack to complete a penetration test, and the edges of transparent protection plates are mutually spliced and kept in a vertical state in the penetration process.
2. A battery pack inspection apparatus according to claim 1, wherein: the device comprises a driving mechanism, a transparent guard plate and a movable detection plate, wherein a plate sealing groove is formed in the driving mechanism, a plurality of groups of movable sealing plates are slidably connected in the plate sealing groove, the edges of the plurality of groups of movable sealing plates are spliced with each other, the movable sealing plates correspond to the transparent guard plate in position, a positioning rod is fixedly connected to the lower end face of the movable detection plate, and a positioning sleeve matched with the positioning rod is arranged on the upper end face of a base of the device.
3. A battery pack inspection apparatus according to claim 2, wherein: the movable detection plate comprises a detection plate main body, a detection plate extension and a return-shaped groove, the detection plate main body is connected with a driving mechanism through a telescopic push rod in a driving mode, the detection plate extension is arranged on the detection plate main body extension, the return-shaped groove is formed between the detection plate main body and the detection plate extension and is matched with the movable sealing plate, and a movable pin plate which is abutted to the movable sealing plate is arranged inside the return-shaped groove.
4. A battery pack inspection apparatus according to claim 2, wherein: transparent backplate includes backplate main part, dwang and elastic frenulum, the dwang rotates the inside of connecting at the rotation groove, the backplate main part links to each other with the dwang is fixed, elastic frenulum fixed connection is in backplate main part and rotation groove laminating one side, backplate main part middle part has seted up multiunit micropore on the upper side.
5. The battery pack inspection apparatus according to claim 4, wherein: the two ends of the rotating rod are fixedly connected with bevel gears, the transparent guard plates are meshed with each other through the bevel gears, and inclined planes are formed in the end faces of the movable sealing plate and the guard plate main body.
6. A battery pack inspection apparatus according to claim 3, wherein: the movable pin plate is connected inside the detection plate main body in a sliding mode, one end, deviating from the detection plate main body, of the movable pin plate is attached to the bottom of the extension of the detection plate, and an inclined plane portion matched with the inclined plane is formed in the side end face of the movable pin plate.
7. The battery pack inspection apparatus according to claim 6, wherein: the movable pin plate is elastically connected with a spring in a mode of deviating from the detection plate, one end of the spring deviating from the movable pin plate is elastically connected with the detection plate main body, a limiting groove matched with the movable sealing plate is formed in the movable pin plate, and the limiting groove is matched with the movable sealing plate.
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