CN211043611U

CN211043611U - Soft-packaged electrical core charge-discharge endurance test protection device

Info

Publication number: CN211043611U
Application number: CN201921596083.XU
Authority: CN
Inventors: 刘贵生; 马景龙; 孙铁; 刘江; 荣幸
Original assignee: Jilin Beidou Aerospace Automobile Research Institute Co ltd
Current assignee: Jilin Beidou Aerospace Automobile Research Institute Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-07-17
Anticipated expiration: 2029-09-24

Abstract

The utility model provides a soft-packaged electrical core charge-discharge endurance test protection device, includes shell and electric core centre gripping subassembly, electric core centre gripping subassembly is including relative first grip block, second grip block and the two-way screw rod that sets up, be equipped with first screw hole on the first grip block, be equipped with the second screw hole on the second grip block, first screw hole with the upper portion cooperation of two-way screw rod, the second screw hole with the lower part cooperation of two-way screw rod, the rotation of two-way screw rod can drive first grip block with the second grip block is kept away from each other or is close to each other. According to the utility model provides a soft-packaged electrical core charge-discharge endurance test protection device compares with prior art and has following advantage: the utility model has the advantages of being simple in structure and convenient in assembly, low in production cost, electric core centre gripping subassembly structure is exquisite, and centre gripping electric core is firm, and the cooperation shell can effectively suppress the sputter injury of electric core explosion, has effectively improved the required insulating condition of electric core test, assurance test safety.

Description

Soft-packaged electrical core charge-discharge endurance test protection device

Technical Field

The utility model relates to a protection device is tested to electric core, especially relates to a soft-packaged electric core charge-discharge endurance test protection device.

Background

Along with the continuous popularization of new energy automobiles, the demand for the battery cell is larger and larger, the battery cell is various in types, and the developed product needs enough tests to verify the reliability and the basic performance of the battery cell, so that a great deal of test work needs to be carried out on the battery cell, but certain defects are inevitably caused in the development of new products, and the battery cell is flammable and explosive, has great danger, and has great threat to the personal safety of field testers.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome above-mentioned prior art not enough, provide a simple structure, safe and reliable, soft-packaged electrical core charge-discharge endurance test protection device with low costs.

According to the utility model provides a main technical scheme that soft-packaged electrical core charge-discharge endurance test protection device adopted does: the battery cell clamping device comprises a shell and a battery cell clamping assembly, wherein a containing cavity is formed in the middle of the shell, a battery cell inserting hole communicated with the containing cavity is formed in the shell, and the battery cell clamping assembly is arranged in the containing cavity; the battery cell clamping assembly comprises a first clamping plate, a second clamping plate and a bidirectional screw rod which are arranged oppositely, the bidirectional screw rod is rotatably arranged on the shell, a first threaded hole is formed in the first clamping plate, a second threaded hole is formed in the second clamping plate, the first threaded hole is matched with the upper portion of the bidirectional screw rod, the second threaded hole is matched with the lower portion of the bidirectional screw rod, and the first clamping plate and the second clamping plate can be driven to rotate or be close to each other.

The utility model provides a soft-packaged electrical core charge-discharge endurance test protection device still adopts following attached technical scheme:

the first clamping plate and the second clamping plate are provided with guide holes, guide columns are arranged in the shell, and the guide columns penetrate through the guide holes.

The shell is provided with an adjusting hole, at least one end of the bidirectional screw is an adjusting end, and the adjusting end is inserted into the adjusting hole.

The adjusting end is provided with an adjusting slot which is a straight slot or a cross slot.

The first clamping plate and the second clamping plate are mesh plates.

The guide post is a bolt, a counter sink hole is formed in one side of the shell, a threaded hole is formed in the other side of the shell, a screw of the bolt penetrates through the guide hole to be matched with the threaded hole, and the head of the bolt is located in the counter sink hole. The bolt comprises a screw and a head arranged at one end of the screw.

The shell is of a square tubular structure. The open end of the square tubular structure is the battery cell insertion hole.

The shell comprises a lower shell and an upper cover which are connected together, the lower shell comprises a bottom plate and two side plates which are oppositely arranged on two sides of the bottom plate, and the upper cover is connected with the two side plates.

The bidirectional screw comprises a connecting part, a first screw arranged at the upper end of the connecting part and a second screw arranged at the lower end of the connecting part, the first threaded hole is matched with the first screw, and the second threaded hole is matched with the second screw.

The shell is made of acrylic transparent material; the first clamping plate and the second clamping plate are made of phenolic plastics.

Thickening processing is all done to first screw hole and second screw hole periphery, thickening processing is done to the periphery of guide block.

According to the utility model provides a soft-packaged electrical core charge-discharge endurance test protection device compares with prior art and has following advantage: the utility model has the advantages of being simple in structure and convenient in assembly, low in production cost, electric core centre gripping subassembly structure is exquisite, and centre gripping electric core is firm, and the cooperation shell can effectively suppress the sputter injury of electric core explosion, has effectively improved the required insulating condition of electric core test, assurance test safety.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of the present invention.

Fig. 2 is a schematic structural diagram of the present invention.

Fig. 3 is a schematic top view of the present invention.

Fig. 4 is a cross-sectional view a-a of fig. 3.

Fig. 5 is a schematic structural view of the bidirectional screw of the present invention.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention. In the present embodiment, the terms "front, rear, left, right, up and down" are not intended to be specific directions, but are merely used to distinguish the structural orientations.

Referring to fig. 1 to 5, according to the embodiment of the protection device for the charging and discharging endurance test of the soft-packaged battery cell provided by the present invention, the protection device comprises a housing and a battery cell clamping assembly, wherein a holding cavity is arranged in the middle of the housing, a battery cell insertion hole communicated with the holding cavity is arranged on the housing, and the battery cell clamping assembly is arranged in the holding cavity; the battery cell clamping assembly comprises a first clamping plate 3, a second clamping plate 4 and a bidirectional screw rod 5 which are arranged oppositely, the bidirectional screw rod 5 is rotatably arranged on the shell, a first threaded hole 31 is formed in the first clamping plate 3, a second threaded hole 41 is formed in the second clamping plate 4, the first threaded hole 31 is matched with the upper portion of the bidirectional screw rod 5, the second threaded hole 41 is matched with the lower portion of the bidirectional screw rod 5, and the rotation of the bidirectional screw rod 5 can drive the first clamping plate 3 and the second clamping plate 4 to be away from each other or to be close to each other. The number of the bidirectional screws 5 is two. Two first threaded holes 31 are correspondingly formed in the first clamping plate 3, the two first threaded holes 31 are respectively located near two opposite edges of the first clamping plate 3, two second threaded holes 41 are formed in the second clamping plate 4, and the two second threaded holes 41 are respectively located near two opposite edges of the second clamping plate 4. During the concrete use, rotatory two-way screw rod 5 is adjusted the distance between first grip block 3 and the second grip block 4 to the state that the electric core 8 that awaits measuring can put into, then places the electric core 8 that awaits measuring between first grip block 3 and second grip block 4 through the electric core inserted hole, and rotatory two-way screw rod 5 once more makes first grip block 3 and second grip block 4 be close to each other and presss from both sides the tight with the electric core that awaits measuring tightly, prevents that electric core 8 from slipping, can open the experiment. The utility model has the advantages of being simple in structure and convenient in assembly, low in production cost, electric core centre gripping subassembly structure is exquisite, and centre gripping electric core 8 is firm, and the cooperation shell can effectively suppress the sputter injury of electric core explosion, has effectively improved the required insulating condition of electric core 8 tests, reduces electric core inefficacy hidden danger, assurance test safety.

Referring to fig. 1 to 4, according to the above-mentioned embodiment of the present invention, the first clamping plate 3 and the second clamping plate 4 are both provided with guiding holes 32, the housing is provided with guiding posts 6, and the guiding posts 6 penetrate through the guiding holes 32. The arrangement of the guide hole 32 and the guide column 6 ensures that the first clamping plate 3 and the second clamping plate 4 cannot be twisted or inclined along with the rotation of the bidirectional screw 5 when being far away from or close to each other, and the clamping effect is reliable.

Referring to fig. 1 to 5, according to the above-mentioned embodiment of the present invention, the housing is provided with an adjusting hole 22 communicating with the outside, and at least one end of the bidirectional screw 5 is an adjusting end inserted into the adjusting hole 22. The shell in this embodiment is provided with two opposite adjusting holes 22, two ends of the two-way screw 5 are both adjusting ends, and two ends of the two-way screw 5 are respectively inserted into the two opposite adjusting holes 22. The two ends of the bidirectional screw rod 5 are both adjusting ends, the two sides of the shell can be adjusted in a rotating mode through the bidirectional screw rod 5, the bidirectional screw rod 5 is controlled to rotate through the adjusting ends of the bidirectional screw rod 5, and the bidirectional screw rod adjusting device is convenient and quick to operate and high in reliability.

Referring to fig. 5, according to the above-mentioned embodiment of the present invention, the adjusting end is provided with an adjusting slot 54, and the adjusting slot 54 is a straight slot or a cross slot. When specifically adjusting two-way screw rod 5 and rotating, adopt corresponding instrument to insert the adjustment slot and can adjust two-way screw rod 5 and rotate, two-way screw rod 5 adjusts the back that finishes, with the instrument break away from the adjustment slot can, the setting of adjustment slot makes the utility model discloses a surface is more level and more smooth, and the present embodiment is preferred to be established the adjustment slot into a straight line groove, during specifically adjusting, can adopt a word shank sword, key, coin etc. to adjust two-way screw rod 5 and rotate, convenient operation, the flexibility is good.

Referring to fig. 1, according to the above-mentioned embodiment of the present invention, the first holding plate 3 and the second holding plate 4 are mesh plates. The gas permeability of electric core in the test process has been guaranteed to mesh board centre gripping electric core, helps electric core heat dissipation in charging and discharging, like electric core later stage stable performance removable not foraminiferous grip block to this environment when simulating electric core in-service use.

Referring to fig. 1, according to the above-mentioned embodiment of the present invention, the guiding column 6 is a bolt, one side of the housing is provided with a platform sinking hole 21, the other side of the housing is provided with a threaded hole 13, a screw of the bolt passes through the guiding hole 32 to be matched with the threaded hole 13, and a head of the bolt is located in the platform sinking hole 21. The bolt comprises a screw and a head arranged at one end of the screw. The middle part of the guide post 6 is smooth and has no thread so as to ensure the smoothness of matching with the guide hole 32, and the arrangement of the guide post 6 also contributes to improving the connection strength of the shell. This kind of guide post 6's the mode of setting up is simple, helps reducing the utility model discloses a manufacturing cost.

Referring to fig. 1 and 2, according to the above-mentioned embodiment of the present invention, the housing has a square tubular structure. The shell comprises a lower shell 1 and an upper cover 2 which are connected together, the lower shell 1 comprises a bottom plate 11 and two side plates 12 which are oppositely arranged on two sides of the bottom plate 11, and the upper cover 2 is connected with the two side plates 12. The upper cover 2 is connected with the lower shell 1 through screws 7. Two open ends of square tubular structure are electric core inserted hole need not to distinguish square tubular structure's left and right directions when electric core inserts, and electric core inserts convenient and fast, above-mentioned shell simple structure, and processing is convenient, low in production cost.

Referring to fig. 1, 4 and 5, according to the above-mentioned embodiment of the present invention, the bidirectional screw 5 includes a connecting portion 51, a first screw 52 disposed at an upper end of the connecting portion 51, and a second screw 53 disposed at a lower end of the connecting portion 51, the first screw hole 31 is engaged with the first screw 52, and the second screw hole 41 is engaged with the second screw 53. Fig. 5 is a schematic diagram of a bidirectional screw, both the threads on the first screw 52 and the second screw 53 are shown, and the bidirectional screw 5 is a mature technology in the prior art and is not described in detail here.

According to the above embodiment of the present invention, the housing is made of acrylic transparent material, which has better transparency, chemical stability and weather resistance, and facilitates observation and monitoring of the electrical core during the testing process; the first clamping plate 3 and the second clamping plate 4 are made of phenolic plastics, and the phenolic plastics have high mechanical strength, good insulating property, heat resistance and corrosion resistance, and are beneficial to prolonging the service life of the first clamping plate 3 and the second clamping plate 4.

Referring to fig. 1, according to the above embodiment of the present invention, the peripheries of the first threaded hole 31 and the second threaded hole 41 are thickened, which is helpful for increasing the thread length of the first threaded hole 31 and the second threaded hole, increasing the clamping force of the first clamping plate 3 and the second clamping plate 4, and avoiding thread slipping; the periphery of the guide hole 32 is thickened, so that the guide hole 32 and the guide column 6 are matched to slide smoothly, and the blocking phenomenon is avoided.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a soft-packaged electrical core charge-discharge endurance test protection device which characterized in that: the battery cell clamping device comprises a shell and a battery cell clamping assembly, wherein a containing cavity is formed in the middle of the shell, a battery cell inserting hole communicated with the containing cavity is formed in the shell, and the battery cell clamping assembly is arranged in the containing cavity; the battery cell clamping assembly comprises a first clamping plate, a second clamping plate and a bidirectional screw rod which are arranged oppositely, the bidirectional screw rod is rotatably arranged on the shell, a first threaded hole is formed in the first clamping plate, a second threaded hole is formed in the second clamping plate, the first threaded hole is matched with the upper portion of the bidirectional screw rod, the second threaded hole is matched with the lower portion of the bidirectional screw rod, and the first clamping plate and the second clamping plate can be driven to rotate or be close to each other.

2. The soft-package battery cell charge-discharge endurance test protection device of claim 1, wherein: the first clamping plate and the second clamping plate are provided with guide holes, guide columns are arranged in the shell, and the guide columns penetrate through the guide holes.

3. The soft-package battery cell charge-discharge endurance test protection device of claim 1, wherein: the shell is provided with an adjusting hole, at least one end of the bidirectional screw is an adjusting end, and the adjusting end is inserted into the adjusting hole.

4. The soft-package battery cell charge-discharge endurance test protection device of claim 3, wherein: the adjusting end is provided with an adjusting slot which is a straight slot or a cross slot.

5. The soft-package battery cell charge-discharge endurance test protection device of claim 1, wherein: the first clamping plate and the second clamping plate are mesh plates.

6. The soft-package battery cell charge-discharge endurance test protection device of claim 2, wherein: the guide post is a bolt, a counter sink hole is formed in one side of the shell, a threaded hole is formed in the other side of the shell, a screw rod of the bolt penetrates through the guide hole to be matched with the threaded hole, the head of the bolt is located in the counter sink hole, and the bolt comprises a screw rod and a head arranged at one end of the screw rod.

7. The soft-package battery cell charge-discharge endurance test protection device of claim 1, wherein: the shell is of a square tubular structure, and the open end of the square tubular structure is the battery cell insertion hole.

8. The soft-package battery cell charge-discharge endurance test protection apparatus of any one of claims 1-7, characterized in that: the shell comprises a lower shell and an upper cover which are connected together, the lower shell comprises a bottom plate and two side plates which are oppositely arranged on two sides of the bottom plate, and the upper cover is connected with the two side plates.

9. The soft-package battery cell charge-discharge endurance test protection device of claim 1, wherein: the bidirectional screw comprises a connecting part, a first screw arranged at the upper end of the connecting part and a second screw arranged at the lower end of the connecting part, the first threaded hole is matched with the first screw, and the second threaded hole is matched with the second screw.

10. The soft-package battery cell charge-discharge endurance test protection device of claim 1, wherein: the shell is made of acrylic transparent material; the first clamping plate and the second clamping plate are made of phenolic plastics.