CN218512592U

CN218512592U - Lithium cell group charge-discharge detects frock

Info

Publication number: CN218512592U
Application number: CN202222844581.XU
Authority: CN
Inventors: 陆晨; 陈孝勇; 刘顺
Original assignee: Anhui Ruiguang Instrument Equipment Co ltd
Current assignee: Anhui Ruiguang Instrument Equipment Co ltd
Priority date: 2022-10-27
Filing date: 2022-10-27
Publication date: 2023-02-21
Anticipated expiration: 2032-10-27

Abstract

The utility model discloses a lithium cell group charge-discharge detection frock, the utility model relates to a lithium cell production detects frock technical field, the utility model discloses can realize placing the layering of the used equipment of charge-discharge to pack the signal line into on the fixed establishment, and then to the direction guide of signal line, owing to set up a plurality of fixed establishment, classify to a plurality of signal lines, avoid a plurality of signal lines to appear in disorder phenomenon, the wiring is more orderly; through the push-and-pull piece towards dull and stereotyped inner wall direction pulling locating plate of metal, the guide block of locating plate bottom is directional on the gag lever post surface in the protruding chamber to slide, and the spring is being extruded, make the spring take place elastic deformation in the protruding chamber, with between locating plate and the protruding board surface of lithium cell equipment income, remove the pulling force of effect on the push-and-pull piece, locating plate automatic re-setting, through locating plate and the quick location of protruding board to lithium cell group, guarantee the stability of lithium cell group in charging and discharging.

Description

Lithium cell group charge-discharge detects frock

Technical Field

The utility model relates to a lithium cell production detects frock technical field, specifically is a charge-discharge of lithium cell group detects frock.

Background

The lithium battery is a battery which uses lithium metal or lithium alloy as a negative electrode material and uses a non-aqueous electrolyte solution, the lithium battery is subjected to charge and discharge tests after being assembled to detect the performance of the battery so as to screen out unqualified products.

Through the retrieval, the utility model patent of publication number CN209182475U discloses a supporting test fixture of lithium cell equipment charge and discharge test, it is rotatory to drive the lead screw through the motor, and then drives the clamp plate and move down along the guide bar, and then the clamp plate drives the briquetting downstream, compresses tightly the battery on test platform until the briquetting, makes the difficult not hard up when testing on test platform of battery, and is more firm, guarantees the accuracy of test.

In the actual charging and discharging process of the lithium battery pack, the number of signal lines is too many, so that the wiring harness is prone to being redundant and disordered and is not easy to arrange, the wiring time can be prolonged due to the redundant and disordered wiring harness, and the detection efficiency of the lithium battery pack is low.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the shortcoming that exists among the prior art, and the lithium cell group charge-discharge that proposes detects frock.

The utility model discloses can realize through following technical scheme: the utility model provides a lithium cell group charge-discharge detection frock, includes the metal flat plate of U-shaped structure, the inner chamber mid-mounting of metal flat plate has the bearing board that is used for placing lithium cell group and detects its charge-discharge, and the both sides of metal flat plate all install three connecting plate, every on the surface the connecting plate be equipped with the standing groove that is used for placing power keysets, lithium battery management board and direct current load respectively on the surface, install the fixed establishment who is used for signal line guide on power keysets, lithium battery management board and the direct current load on the leading flank of connecting plate, fixed establishment include with the fixed block of connecting plate fixed surface setting, the front side of fixed block is rotated and is connected with the upset piece, the line hole groove that is used for the signal line to get into all is equipped with on the surface of upset piece and fixed block.

The utility model discloses a further technological improvement lies in: the section of the wire hole groove is semicircular.

The utility model discloses a further technological improvement lies in: the improved turnover mechanism is characterized in that a first installation cavity is formed in the top surface of the fixed block, a second installation cavity collinear with the first installation cavity is formed in the top surface of the turnover block, a screw rod piece penetrating through the second installation cavity is connected to the first installation cavity in a rotating mode, and a butterfly nut in end face contact with the turnover block is sleeved on the outer surface of the screw rod piece in a threaded mode.

The utility model discloses a further technological improvement lies in: the lithium battery pack fixing device is characterized in that a convex plate is arranged in the middle of the top surface of the bearing plate, a positioning plate used for fixing the lithium battery pack is slidably mounted on the surface of the bearing plate and close to the inner wall of the metal flat plate, and a push-pull block is arranged on the top surface of the positioning plate.

The utility model discloses a further technological improvement lies in: the bearing plate is characterized in that a convex cavity penetrates through the surface of the bearing plate, a limiting rod in the horizontal direction is installed at the bottom of an inner cavity of the convex cavity, a guide block fixedly connected with the bottom surface of the positioning plate is connected to the limiting rod in a sliding mode, and a spring is sleeved on the outer surface of the limiting rod and located between the guide block and the inner wall of the convex cavity.

Compared with the prior art, the utility model discloses possess following beneficial effect:

1. the device can realize layered placement of equipment used for charging and discharging, and the signal wires are arranged on the fixing mechanism, so that the direction of the signal wires is guided;

2. through the push-and-pull piece towards dull and stereotyped inner wall direction pulling locating plate of metal, the guide block of locating plate bottom is directional on the gag lever post surface in the protruding chamber to slide, and the spring is being extruded, make the spring take place elastic deformation in the protruding chamber, with between locating plate and the protruding board surface of lithium cell equipment income, remove the pulling force of effect on the push-and-pull piece, locating plate automatic re-setting, through locating plate and the quick location of protruding board to lithium cell group, guarantee the stability of lithium cell group in charging and discharging.

Drawings

In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.

Fig. 1 is a schematic perspective view of the present invention;

FIG. 2 is an enlarged schematic view of a portion A of FIG. 1 according to the present invention;

fig. 3 is a schematic view of the structural connection between the guide block and the convex cavity of the present invention.

In the figure: 1. a metal flat plate; 2. a connecting plate; 3. a placement groove; 4. a support plate; 5. a convex plate; 6. positioning a plate; 7. a push-pull block; 8. a fixed block; 9. a wire hole slot; 10. turning over the block; 11. mounting a first cavity; 12. a second mounting cavity; 13. a screw member; 14. a butterfly nut; 15. a lug cavity; 16. a limiting rod; 17. a spring; 18. and a guide block.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description is given to the embodiments, structures, features and effects according to the present invention with reference to the accompanying drawings and preferred embodiments.

Please refer to fig. 1-fig. 3, the utility model provides a lithium cell group charge-discharge detection frock, metal flat plate 1 including the U-shaped structure, the inner chamber mid-mounting of metal flat plate 1 has the bearing board 4 that is used for placing lithium cell group and detects rather than charging-discharging, and metal flat plate 1's both sides all install three connecting plate 2 on the surface, every connecting plate 2 be equipped with respectively on the surface and be used for placing the power supply keysets, lithium battery management board and direct current load standing groove 3, install on connecting plate 2's the leading flank and be used for the power supply keysets, the fixed establishment of signal line guide on lithium battery management board and the direct current load, fixed establishment includes the fixed block 8 that sets up with connecting plate 2 fixed surface, the front side of fixed block 8 rotates to be connected with upset piece 10, all be equipped with the line hole groove 9 that is used for the signal line entering on the surface of upset piece 10 and fixed block 8, in the use, the power supply keysets, lithium battery management board and direct current load from top to bottom place in the standing groove 3 that corresponds, realize placing the layering of the used equipment of charging-discharging, and put into the fixed establishment, and then to the direction of signal line, avoid the guidance of the many lines of vision signal line to appear in disorder phenomenon, more orderly, the use is better.

The wiring mode is that a power supply adapter plate is input to a lithium battery management plate, a lithium battery pack is connected to the lithium battery management plate, the lithium battery management plate outputs to a direct current load, and an external direct current power supply is input to a power supply interface on the power supply adapter plate in the charging process of the lithium battery pack; in the discharging process of the lithium battery pack, the direct current electronic load on-off key is clicked to discharge.

The section of the wire hole groove 9 is semicircular; the top surface of the fixed block 8 is provided with a first installation cavity 11, the top surface of the turnover block 10 is provided with a second installation cavity 12 which is collinear with the first installation cavity 11, the inside of the first installation cavity 11 is rotatably connected with a screw rod piece 13 which penetrates through the inside of the second installation cavity 12, a butterfly nut 14 which is in end face contact with the turnover block 10 is in threaded sleeve connection on the outer surface of the screw rod piece 13, the turnover block 10 is turned over and opened in a charging and discharging use state, a signal wire is installed in a wire hole groove 9 in the fixed block 8, the turnover block 10 is turned on, the surface of the turnover block 10 is attached to the surface of the fixed block 8, the two wire hole grooves 9 are attached to form a circular groove, the turnover screw rod piece 13 can rotate in the first installation cavity 11 and the second installation cavity 12, thread adjustment of the screw rod piece 13 and the butterfly nut 14 is facilitated, when the butterfly nut 14 rotates in a screw thread mode and is in contact with the top surface of the turnover block 10, fixation of the turnover block 10 and fixation of the signal wire is facilitated, and wiring of the fixed block is neat.

A convex plate 5 is arranged in the middle of the top surface of the supporting plate 4, a positioning plate 6 for fixing the lithium battery pack is slidably mounted on the surface of the supporting plate 4 and close to the inner wall of the metal flat plate 1, and a push-pull block 7 is arranged on the top surface of the positioning plate 6; the supporting plate 4 runs through on the surface and is equipped with protruding chamber 15, the gag lever post 16 of horizontal direction is installed to the inner chamber bottom in protruding chamber 15, sliding connection has the guide block 18 that links to each other with 6 bottom surfaces of locating plate on the gag lever post 16, the surface of gag lever post 16 is located and is equipped with spring 17 between guide block 18 and the 15 inner walls of protruding chamber, when testing the charge-discharge of lithium cell group, through push-and-pull piece 7 inner wall direction pulling locating plate 6 towards metal flat 1, the guide block 18 of locating plate 6 bottom is directional to slide on the gag lever post 16 surface in protruding chamber 15, and spring 17 is being extruded, make spring 17 take place elastic deformation in protruding chamber 15, pack the lithium cell between locating plate 6 and the 5 surface of protruding board, remove the pulling force that is used on push-and-pull piece 7, locating plate 6 automatic re-setting, through locating plate 6 and the quick location of protruding board 5 to lithium cell group, guarantee the stability of group in charge-discharge, be convenient for the wiring of lithium cell group.

When the utility model is used, the layered placement of the equipment used for charging and discharging can be realized, and the signal wires are arranged on the fixing mechanism, so that the direction of the signal wires is guided, the phenomenon of disorder of a plurality of signal wires is avoided, and the wiring is more orderly;

pulling locating plate 6 towards the inner wall direction of metal flat plate 1 through push-and-pull piece 7, the guide block 18 of 6 bottoms of locating plate is directional on the gag lever post 16 surfaces in convex chamber 15 and is sliding, and spring 17 is being extruded, make spring 17 take place elastic deformation in convex chamber 15, pack the lithium cell between locating plate 6 and the 5 surfaces of flange, remove the pulling force that is used in push-and-pull piece 7, locating plate 6 automatic re-setting, through locating plate 6 and the quick location of flange 5 to lithium cell group, guarantee the stability of lithium cell group in charging and discharging.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed with reference to the above preferred embodiment, it is not intended to limit the present invention, and any person skilled in the art can make some changes or modifications to the equivalent embodiment of the equivalent change within the technical scope of the present invention without departing from the technical scope of the present invention, but all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention will still fall within the technical scope of the present invention.

Claims

1. The utility model provides a lithium cell group charge-discharge detection frock, includes metal flat (1) of U-shaped structure, its characterized in that: the inner chamber mid-mounting of metal flat (1) has bearing board (4) that is used for placing lithium cell group and detects its charge-discharge, and all installs three connecting plate (2), every on the surface of the both sides of metal flat (1) connecting plate (2) be equipped with standing groove (3) that are used for placing power keysets, lithium battery management board and direct current load respectively on the surface, install on the leading flank of connecting plate (2) and be used for signal line guide's fixed establishment on power keysets, lithium battery management board and the direct current load, fixed establishment includes fixed block (8) that set up with connecting plate (2) surface fixation, the front side of fixed block (8) is rotated and is connected with upset piece (10), the line hole groove (9) that are used for the signal line to get into all are equipped with on the surface of upset piece (10) and fixed block (8).

2. The lithium battery pack charging and discharging detection tool according to claim 1, wherein the cross section of the wire hole groove (9) is semicircular.

3. The lithium battery pack charging and discharging detection tool according to claim 1, wherein a first installation cavity (11) is formed in the top surface of the fixed block (8), a second installation cavity (12) which is collinear with the first installation cavity (11) is formed in the top surface of the turnover block (10), a screw rod piece (13) penetrating through the interior of the second installation cavity (12) is rotatably connected to the interior of the first installation cavity (11), and a butterfly nut (14) in end face contact with the turnover block (10) is sleeved on the outer surface of the screw rod piece (13) in a threaded manner.

4. The lithium battery pack charging and discharging detection tool according to claim 1, wherein a protruding plate (5) is arranged in the middle of the top surface of the supporting plate (4), a positioning plate (6) for fixing the lithium battery pack is slidably mounted on the surface of the supporting plate (4) and close to the inner wall of the metal flat plate (1), and a push-pull block (7) is arranged on the top surface of the positioning plate (6).

5. The lithium battery pack charging and discharging detection tool according to claim 1, wherein a convex cavity (15) penetrates through the surface of the bearing plate (4), a limiting rod (16) in the horizontal direction is installed at the bottom of an inner cavity of the convex cavity (15), a guide block (18) fixedly connected with the bottom surface of the positioning plate (6) is connected onto the limiting rod (16) in a sliding mode, and a spring (17) is sleeved on the outer surface of the limiting rod (16) and located between the guide block (18) and the inner wall of the convex cavity (15).