CN216449685U

CN216449685U - Tool for verifying battery cell test equipment

Info

Publication number: CN216449685U
Application number: CN202122784358.6U
Authority: CN
Inventors: 裘可奇
Original assignee: Tianjin EV Energies Co Ltd
Current assignee: Tianjin EV Energies Co Ltd
Priority date: 2021-11-12
Filing date: 2021-11-12
Publication date: 2022-05-06
Anticipated expiration: 2031-11-12

Abstract

The utility model provides a tool for verifying a cell testing device, which comprises a base, a first testing assembly, a fixing assembly, a cell core plate, a polar lug plate and a second testing assembly, wherein the first testing assembly and the second testing assembly are symmetrically arranged on the base, the second testing assembly is fixedly connected with the base, the first testing assembly is in sliding connection with the base, so that the distance between the first testing assembly and the second testing assembly is adjustable, the cell core plate is installed between the first testing assembly and the second testing assembly, the polar lug plate is installed on the outer sides of the first testing assembly and the second testing assembly, the fixing assembly is arranged on the top of the first testing assembly and the second testing assembly, the fixing assembly is used for fixing the cell core plate and the polar lug plate, a pressure sensor is installed on the outer side of the polar lug plate, and the pressure sensor is in signal connection with a controller. According to the tool for verifying the battery cell testing equipment, the battery cell testing equipment is verified by using the tool before each batch production, so that the quality of batch products is effectively guaranteed.

Description

Tool for verifying battery cell test equipment

Technical Field

The utility model belongs to the technical field of lithium ion battery production, and particularly relates to a tool for verifying battery cell test equipment.

Background

Before the soft package battery is produced in batches, each part needs to be produced independently, then the soft package battery can be assembled into the battery after being measured independently and qualified, different procedures can be tested according to actual requirements in the assembling process, one testing station tests the assembly of the battery cell and the tab through battery cell testing equipment after the battery cell and the tab are installed, however, at present, most of the battery cell testing equipment is verified for half a year or even a year, and the effectiveness of the battery cell testing equipment cannot be judged in time; the testing mechanism can also cause the effectiveness of testing positioning due to abrasion, displacement and the like; the two phenomena can cause the problem of mass quality, and the loss caused in the later period can be very serious. Therefore, it is urgently needed to verify the cell testing equipment before the tooling equipment is used in each batch.

Disclosure of Invention

In view of this, the present invention is directed to a tool for verifying a cell testing device, so as to solve the problem of batch quality caused by that the existing cell testing device cannot be found in time when deviation occurs due to long-time non-verification.

In order to achieve the purpose, the technical scheme of the utility model is realized as follows:

the utility model provides a verify electric core test equipment's frock, the on-line screen storage device comprises a base, a test subassembly, fixed subassembly, the electric core board, utmost point otic placode and No. two test subassemblies, the symmetry sets up a test subassembly and No. two test subassemblies on the base, and No. two test subassemblies and base fixed connection, a test subassembly and base sliding connection, make the distance between a test subassembly and No. two test subassemblies adjustable, be used for installing the electric core board between a test subassembly and No. two test subassemblies, the outside of a test subassembly and No. two test subassemblies all is used for installing utmost point otic placode, the top all is equipped with fixed subassembly, fixed subassembly is used for fixed electric core board and utmost point otic placode, utmost point otic placode outside installation pressure sensor, pressure sensor signal connection is to the controller.

Further, be equipped with two slides on the base, the bottom of a test subassembly and No. two test subassemblies all is equipped with the slip table, and the slip table cooperates with the slide for a test subassembly and No. two test subassemblies can remove along the slide under the effect of external force.

Furthermore, a plurality of locating grooves are uniformly distributed on the outer side of each slide way, one side, close to each locating groove, of each testing assembly is hinged to one locating pin, and each locating pin is inserted into each locating groove to fix and limit each testing assembly.

Furthermore, a placing groove is formed in the outer side of the first testing assembly and used for clamping the positioning pin.

Further, a test component is the same with No. two test components's structure, and a test component includes the testboard, a plurality of baffles of inboard top-down equipartition of testboard, and the baffle includes inner baffle and the outer baffle of a body structure, and the handing-over department of inner baffle and outer baffle is equipped with the limiting plate, and the limiting plate middle part is equipped with the spliced eye, is used for placing the electric core board between two adjacent inner baffles, and the thickness of inner baffle is the same with the thickness of the adhesive linkage between two adjacent electric cores, is used for placing the utmost point otic placode between two adjacent outer baffles.

Furthermore, two sides of the plurality of partition plates are fixed through a side plate respectively, and the width of the side plate is smaller than that of the partition plate.

Furthermore, the electric core plate is of a rectangular plate structure, and two sides of the electric core plate are respectively provided with a connecting part and an electric core plate mounting hole.

Furthermore, the pole lug plate comprises a pole lug plate body and an inserting part which are of an integrated structure, the pole lug plate body is of a rectangular plate structure, a pressure sensor is fixedly mounted on the outer side of the pole lug plate body, and the pressure sensor is connected to an external controller through signals; the inserting part is provided with a polar lug plate mounting hole and is detachably connected with the connecting part.

Further, fixed subassembly includes fixing base, regulation pole, base and gag lever post, and fixing base and base are all installed at the testboard top through the bolt, and both parallel arrangement, and the fixing base is the L template, and the inside activity of fixing base cup joints the regulation pole, and the testboard top is equipped with the through-hole that passes the regulation pole, and the gag lever post is cup jointed in the base internalization, and the gag lever post is used for spacing to the regulation pole.

Compared with the prior art, the tool for verifying the battery cell test equipment has the following advantages:

(1) the tool for verifying the battery cell test equipment provided by the utility model can be used for verifying the accuracy of the battery cell test equipment, so that the frequent verification of the battery cell test equipment is avoided, and the time and labor cost are greatly saved.

(2) According to the tool for verifying the battery cell testing equipment, the battery cell testing equipment is verified by using the tool before each batch production, so that the quality of batch products is effectively guaranteed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the utility model and, together with the description, serve to explain the utility model and not to limit the utility model. In the drawings:

fig. 1 is a schematic diagram of a tool for verifying a cell test device according to an embodiment of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is a schematic view of an adjustment lever according to an embodiment of the present invention;

FIG. 4 is a schematic view of a stop lever according to an embodiment of the utility model;

FIG. 5 is a schematic diagram of an electrical core board according to an embodiment of the utility model;

fig. 6 is a schematic view of a polar lug plate according to an embodiment of the present invention.

Description of reference numerals:

1-a base; 11-a slide; 12-positioning grooves; 2-test component number one; 21-a test bench; 22-side plate; 23-placing a groove; 24-a locating pin; 25-an inner partition plate; 26-a limiting plate; 27-a plug hole; 28-outer separator; 3-a fixing component; 31-a fixed seat; 32-adjusting rod; 321-a handle; 322-a fixation rod; 323-a limit hole; 33-a base; 34-a limiting rod; 341-limit handle; 342-an insert rod; 343-a stop collar; 4-a core board; 41-a connecting part; 42-cell plate mounting holes; 5-polar ear plate; 51-a plug-in part; 52-tab plate mounting holes; 6-test assembly number two.

Detailed Description

It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.

The utility model provides a verify frock of electric core test equipment, as shown in fig. 1 to 6, including base 1, a test component 2, fixed subassembly 3, electric core plate 4, utmost point otic placode 5 and No. two test component 6, the symmetry sets up No. 2 test component and No. two test component 6 on the base 1, and No. two test component 6 and base 1 fixed connection, a test component 2 and base 1 sliding connection, make the distance between a test component 2 and No. two test component 6 adjustable, be used for installing electric core board 4 between a test component 2 and No. two test component 6, the outside of a test component 2 and No. two test component 6 all is used for installing utmost point otic placode 5, the top all is equipped with fixed subassembly 3, fixed subassembly 3 is used for fixed electric core board 4 and utmost point otic placode 5, pressure sensor is installed to utmost point otic placode 5 outside, pressure sensor signal connection is to the controller. The tool simulates the state of a real lug and a real battery cell after being assembled, and checks the accuracy of the battery cell testing equipment, so that the problem that professional personnel and precision equipment are needed when the battery cell testing equipment is frequently checked is avoided, and the time and labor cost are greatly saved by using the tool; before each batch production, the tool is used for verifying the battery cell testing equipment, so that the quality of batch products is effectively guaranteed.

Be equipped with two slides 11 on the base 1, the bottom of a test subassembly 2 and No. two test subassemblies 6 all is equipped with the slip table, slip table and slide cooperation for a test subassembly 2 and No. two test subassemblies 6 can remove along slide 11 under the effect of external force.

The first test assembly 2 and the second test assembly 6 have the same structure.

A plurality of locating grooves 12 are uniformly distributed on the outer side of each slide rail 11, one side, close to each locating groove 12, of each testing component 2 is hinged to one locating pin 24, and each locating pin 24 is inserted into each locating groove 12 to fix and limit each testing component 2. Preferably, the outside of test component 2 is equipped with a standing groove 23, and standing groove 23 is used for blocking locating pin 24, when locating pin 24 does not use, can with standing groove 23 joint, makes things convenient for test component 2's removal.

In one embodiment, a second positioning pin is disposed on one side of the second testing component 6, and the second positioning pin is inserted into the positioning groove 12, so that the second testing component 6 and the base 1 are relatively fixed, i.e., fixedly connected.

In another embodiment, the bottom of test assembly number two 6 is bolted to base 1.

Test assembly 2 includes test bench 21, curb plate 22, interior baffle 25, limiting plate 26, spliced eye 27 and outer baffle 28, a plurality of baffles of test bench 21 inboard top-down equipartition, the baffle includes interior baffle 25 and outer baffle 28 of a body structure, and the handing-over department of interior baffle 25 and outer baffle 28 is equipped with limiting plate 26, limiting plate 26 middle part is equipped with spliced eye 27, be used for placing electric core board 4 between two adjacent interior baffles 25, the thickness of interior baffle 25 is the same with the thickness of the adhesive linkage between two adjacent electric cores, make the data of this frock more accurate, be used for placing utmost point otic placode 5 between two adjacent outer baffles 28.

Two sides of the plurality of partition plates are respectively fixed through a side plate 22, when a worker inserts the battery cell plate 4 into a gap between the two inner partition plates 25, the side plates 22 limit the battery cell plate 4, and the situation that the battery cell plate 4 is placed at an incorrect position is prevented, so that the using effect is influenced; the width of the side plate 22 is smaller than the width of the partition plate so that the arrangement of the side plate 22 does not affect the placement of the core plate 4.

The core board 4 is a rectangular board structure, and two sides of the core board 4 are respectively provided with a connecting portion 41 and a core board mounting hole 42. Preferably, the connecting portion 41 is a U-shaped groove.

The polar lug plate 5 comprises a polar lug plate body and an inserting part 51 which are of an integrated structure, the polar lug plate body is of a rectangular plate structure, a pressure sensor is fixedly mounted on the outer side of the polar lug plate body, the pressure sensor is a patch type pressure sensor, and the pressure sensor is in signal connection with an external controller (preferably, the controller is a master controller on a production line); the plug part 51 is provided with a polar lug plate mounting hole 52, and the plug part 51 is used for being detachably connected with the connecting part 41.

The assembly process of the core plate 4 and the lug plate 5 is as follows (for the sake of understanding, the test assembly No. one 2 is taken as an example):

according to actual requirements, the actual number of the pole ear plates 5 and the cell plates 4 can be adjusted, and in this embodiment, for example, one core plate 4 and one pole ear plate 5 are placed; a worker puts one core board 4 between two adjacent inner partition boards 25 (the thickness of the core board 4 is the same as the actual thickness of the core), then presses the core board 4 against the limiting board 26, and the limiting board 26 and the side board 22 act together to accurately limit the position of the core board 4, so that the core board 4 is ensured not to move; the staff inserts corresponding utmost point ear board 5 again between two adjacent outer baffles 28 to pass behind bayonet hole 27 and insert connecting portion 41, when electric core board 4 and utmost point ear board 5 pegged graft when target in place, electric core board mounting hole 42 and utmost point ear board mounting hole 52 can aim at, then fix through fixed subassembly 3, if fixed subassembly 3 can not insert the bottom, show utmost point ear board 5 not peg graft to the end, again with utmost point ear board 5 peg graft just to the end.

Fixed subassembly 3 includes fixing base 31, adjusts pole 32, base 33 and gag lever post 34, and fixing base 31 and base 33 all install at 21 tops of testboard through the bolt, and both parallel arrangement, and fixing base 31 is the L template, and the inside activity of fixing base 31 cup

joints regulation pole

32, and 21 tops of testboard are equipped with the through-hole that passes regulation pole 32, and the gag lever post 34 is cup jointed in the base 33 internalization, and gag lever post 34 is used for spacing to regulation pole 32.

The adjusting rod 32 comprises a handle 321 and a fixing rod 322 which are of an integral structure, the handle 321 is installed at the top of the fixing rod 322, a plurality of limiting holes 323 are uniformly distributed on the fixing rod 322, and the axis of each limiting hole 323 faces the limiting rod 34, so that the limiting holes 323 are conveniently matched with the limiting rod 34; the fixing rod 322 is of a cylindrical structure, and the outer diameter of the fixing rod 322 is smaller than the inner diameter of the through hole, so that under normal conditions, the fixing rod 322 can be inserted into the through hole under the action of gravity, and the friction force between the fixing rod and the through hole is minimum; handle 321 plays spacing effect simultaneously, prevents that dead lever 322 from falling into the through-hole completely inside, and handle 321 makes things convenient for the staff to adjust the position of dead lever 322 simultaneously.

The gag lever post 34 includes the spacing handle 341 and the inserted bar 342 of a body structure, the spacing handle 341 of inserted bar 342 one end fixed connection, outside fixed cup joints spacing ring 343, and spacing handle 341 and spacing ring 343 are located the both sides of base 33 respectively, and inserted bar 342 is the cylinder, and the external diameter of inserted bar 342 is less than the internal diameter of spacing hole 323, makes things convenient for inserted bar 342 during disect insertion spacing hole 323, reduces frictional force between the two simultaneously, prolongs the life of this frock.

The process of fixing the assembly 3 to the limiting of the battery core plate 4 and the pole ear plate 5 is as follows:

when the cell plate mounting hole 42 and the tab plate mounting hole 52 are aligned, a worker inserts the adjusting rod 32 into the cell plate mounting hole 42 and the tab plate mounting hole 52, when the adjusting rod 32 cannot be inserted into the bottom, the worker can judge that the position of the tab plate 5 is not inserted to the bottom, when the position of the tab plate 5 is inserted to the bottom, the worker inserts the adjusting rod 32 into the bottom, and at the moment, the positions of the cell plate mounting hole 42 and the tab plate mounting hole 52 are limited, so that the tab plate 5 is prevented from falling off due to the action of external force; when the working test of this application finishes, when dismantling electric core board 4 and utmost point ear board 5, the staff upwards stimulates regulation pole 32 through handle 321, until last spacing hole 323 is located testboard 21 top, then another hand of staff pushes spacing handle 341, insert the inserted bar 342 spacing hole 323 can, the staff carries out the dismantlement of electric core board 4 and utmost point ear board 5 at last.

The utility model provides a verify electric core test equipment's frock's use does:

a worker inserts one end of the electric core plate 4 between the partition plates in the second testing assembly 6 until the electric core plate 4 is in contact with the limiting plate 26 in the second testing assembly 6, then inserts the other end of the electric core plate 4 between the partition plates of the first testing assembly 2, pushes the first testing assembly 2 to the second testing assembly 6 by hand (here, one side of the testing table 21 can also drive the first testing assembly 2 to move by installing an air cylinder or a motor or other driving devices), inserts the positioning pin 24 into the positioning groove 12 after determining that the limiting plates of the first testing assembly 2 and the second testing assembly 6 tightly press the two ends of the electric core plate 4, and fixes the position of the first testing assembly 2; then, a worker inserts the polar lug plate 5 between two adjacent outer clapboards 28 (when the electric core to be simulated is a single-side polar lug, only the polar lug plate 2 is inserted into the first testing component 2, when the electric core to be simulated is a double-side polar lug, the polar lug plate 2 is respectively inserted into the first testing component 2 and the second testing component 6), and after the polar lug plate 5 and the corresponding electric core plate 4 are accurately inserted, the fixing component 3 is used for fixing; at the moment, a worker starts the to-be-verified battery cell testing equipment through the controller on the production line, after the to-be-verified battery cell testing equipment works for 2min (the time can be calculated because the speed of the to-be-verified equipment is known and the position of the to-be-verified equipment is known, and the process is a conventional control process and is not repeated again), if the controller can receive a signal of the pressure sensor, the to-be-verified battery cell testing equipment is in contact with the tab plate 5, if the controller does not receive the signal of the pressure sensor after the set time, the battery cell testing equipment to be verified does not contact the pole ear plate 5, the battery cell testing equipment to be verified is worn or has a position deviation, and after the maintenance and correction are needed by a worker, and the subsequent real battery core with the pole lug can be tested until the data of the pressure sensor on the pole lug plate 5 can be received.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a verify electric core test equipment's frock which characterized in that: the testing device comprises a base, a testing component, a fixed subassembly, the electric core board, utmost point otic placode and No. two testing components, the symmetry sets up a testing component and No. two testing components on the base, and No. two testing components and base fixed connection, a testing component and base sliding connection, make the distance between a testing component and No. two testing components adjustable, be used for installing the electric core board between a testing component and No. two testing components, the outside of a testing component and No. two testing components all is used for installing utmost point otic placode, the top all is equipped with fixed subassembly, fixed subassembly is used for fixed electric core board and utmost point otic placode, pressure sensor is installed to utmost point otic placode outside, pressure sensor signal connection is to the controller.

2. The tool for verifying the cell testing equipment according to claim 1, characterized in that: be equipped with two slides on the base, the bottom of a test subassembly and No. two test subassemblies all is equipped with the slip table, slip table and slide cooperation for a test subassembly and No. two test subassemblies can remove along the slide under the effect of external force.

3. The tool for verifying the cell testing equipment according to claim 2, characterized in that: a plurality of locating grooves are uniformly distributed on the outer side of each slide way, one side, close to each locating groove, of the first testing assembly is hinged to one locating pin, and the locating pin is inserted into each locating groove to fix and limit the first testing assembly.

4. The tool for verifying the cell testing equipment according to claim 3, characterized in that: the outside of a test component is provided with a placing groove, and the placing groove is used for clamping the positioning pin.

5. The tool for verifying the cell testing equipment according to claim 1, characterized in that: the structure of a test component is the same with test component two, and a test component includes the testboard, and a plurality of baffles of the inboard top-down equipartition of testboard, baffle include interior baffle and the outer baffle of a body structure, and the handing-over department of interior baffle and outer baffle is equipped with the limiting plate, and the limiting plate middle part is equipped with the spliced eye, is used for placing the electric core board between two adjacent interior baffles, and the thickness of interior baffle is the same with the thickness of the adhesive linkage between two adjacent electricity cores, is used for placing utmost point otic placode between two adjacent outer baffles.

6. The tool for verifying the cell testing equipment according to claim 5, characterized in that: the two sides of the plurality of partition plates are fixed through a side plate respectively, and the width of the side plate is smaller than that of the partition plate.

7. The tool for verifying the cell testing equipment according to claim 1, characterized in that: the electric core plate is of a rectangular plate structure, and two sides of the electric core plate are respectively provided with a connecting part and an electric core plate mounting hole.

8. The tool for verifying the cell testing equipment according to claim 7, characterized in that: the pole lug plate comprises a pole lug plate body and an inserting part which are of an integrated structure, the pole lug plate body is of a rectangular plate structure, a pressure sensor is fixedly installed on the outer side of the pole lug plate body, and a signal of the pressure sensor is connected to an external controller; the inserting part is provided with a polar lug plate mounting hole and is detachably connected with the connecting part.

9. The tool for verifying the cell testing equipment according to claim 5, wherein the tool comprises: the fixing component comprises a fixing seat, an adjusting rod, a base and a limiting rod, the fixing seat and the base are both mounted at the top of the test bench through bolts and are arranged in parallel, the fixing seat is an L-shaped plate, the adjusting rod is sleeved in the fixing seat in an inner movable mode, a through hole penetrating through the adjusting rod is formed in the top of the test bench, the limiting rod is sleeved in the base in an inner movable mode, and the limiting rod is used for limiting the adjusting rod.