CN214625148U

CN214625148U - Sampling device to soft packet of electricity core of formula of inserting

Info

Publication number: CN214625148U
Application number: CN202120444494.8U
Authority: CN
Inventors: 沈炳杰; 张志远; 刘浩; 李世敬; 程骞
Original assignee: Gotion High Tech Co Ltd
Current assignee: Gotion High Tech Co Ltd
Priority date: 2021-03-01
Filing date: 2021-03-01
Publication date: 2021-11-05
Anticipated expiration: 2031-03-01

Abstract

The utility model discloses a sampling device for plug-in soft-packed cells, comprising a base, a sampling copper bar, a sampling elastic sheet, an insulating member, a signal collecting board and a signal interface, and the sampling copper bar is vertically connected on the base , the use of copper bars is in one-to-one correspondence with the soft-packed cells, and the tabs of the soft-packed cells are connected to the sampling copper bars; the sampling elastic sheet includes a sampling plate and is connected to the sampling plate The elastic sheet structure on the lower end surface and connected with the sampling copper bars in one-to-one correspondence; the sampling elastic sheet structure is connected in the insulating member; the signal collection board includes a nickel sheet, and the signal collection board is connected to the on the insulating part, and the nickel sheet is connected with the sampling plate. The utility model realizes the integrated connection of the sampling copper bar, the sampling shrapnel and the signal collecting board through the insulating parts, the structure is compact and the installation is simple.

Description

Sampling device to soft packet of electricity core of formula of inserting

Technical Field

The utility model belongs to the technical field of battery processing, concretely relates to sampling device to soft packet of electricity core of formula of inserting.

Background

Along with the technical development, miniaturization becomes a main trend, so in the battery industry, how to effectively utilize the installation space becomes the key point of main overcoming, need the frock of sampling after the battery assembly is accomplished more, and conventional frock structure is complicated at present, and the space that occupies is great, difficult equipment.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a to sampling device of formula of inserting soft-packaged electrical core to overcome above-mentioned technical problem.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a sampling device of a plug-in type soft-package battery cell comprises a base, wherein the soft-package battery cell is arranged on one side or two sides of the base and can be connected in series along the length direction of the base to form a battery cell group;

the sampling copper bar is vertically connected to the base, the sampling copper bar and the soft-package battery cell correspond to each other one by one, and a tab of the soft-package battery cell is connected to the sampling copper bar;

the sampling elastic sheet comprises a sampling plate and an elastic sheet structure which is connected to the lower end face of the sampling plate and is connected with the sampling copper bars in a one-to-one correspondence manner;

the sampling elastic sheet is connected in the insulating piece;

the signal acquisition board comprises a nickel sheet, and the signal acquisition board is connected to the insulating part and the nickel sheet is connected to the sampling board.

Further, the sampling copper bar comprises a plug-in part inserted on the base, a connecting part butted with a lug of the soft-package battery cell, and a clamping part connected to the elastic sheet structure.

Furthermore, the inserting portion and the clamping portion are both trapezoidal, the width of one end, butted with the connecting portion, of the inserting portion is smaller than that of the connecting portion and larger than that of one end, connected with the base, of the inserting portion, and the width of one end, butted with the connecting portion, of the clamping portion is larger than that of the connecting portion and larger than that of one end, butted with the elastic sheet structure, of the clamping portion.

Further, every the shell fragment structure is including connecting on the sampling board and relative setting be used for right the sampling copper bar carries out two shell fragments of centre gripping, the shell fragment from the top down includes rigid coupling portion, first connecting portion, clamping part, second connecting portion and hook portion in proper order, the first connecting portion of two shell fragments are in the clamping part top is the eight characters type of falling, just the second connecting portion of two shell fragments are in the clamping part below is eight characters type, hook portion connects on the insulating strip.

Furthermore, the clamping parts of the two elastic sheets are close to each other, and the two clamping parts are provided with clamping bulges which are oppositely arranged.

Further, the sampling board is followed the length direction of base divides into two at least sampling platelets, is connected with at least one shell fragment structure on every sampling platelet, the insulator divides into the male terminal of one side and the female terminal of opposite side along its length direction, be equipped with along its length direction in the female terminal with sampling platelet one-to-one is used for the joint the horizontal draw-in groove of sampling platelet just be equipped with along its length direction in the female terminal with the shell fragment structure one-to-one is used for the vertical mounting groove of holding shell fragment structure.

Furthermore, a plug pin is connected to the male terminal along the length direction of the male terminal, and a jack is arranged on the female terminal corresponding to the plug pin.

Furthermore, a nickel sheet butt joint groove communicated with each transverse clamping groove is formed in the female terminal corresponding to each transverse clamping groove.

Has the advantages that: the utility model discloses an insulating part realizes the integrated connection to sampling copper bar, sampling shell fragment and signal acquisition board, compact structure, and the installation is simple, the utility model is used for sampling two sets of soft-packaged electric core groups, and the clearance between two sets of soft-packaged electric core groups after in groups is enough to hold sampling device, can not cause extra burden to the space;

the utility model discloses can satisfy the sampling demand according to the width adjustment length of piling up electric core, realize that structural performance is complete, and the good sampling frock of utmost point ear cooperation.

Drawings

Fig. 1 is a schematic structural view of the battery cell of the present invention when the battery cell is not installed;

fig. 2 is a schematic structural view of a sampling copper bar in the utility model;

fig. 3 is a schematic structural view of a sampling elastic sheet in the present invention;

FIG. 4 is a schematic view of the structure of the insulator of the present invention;

FIG. 5 is a schematic view of the combination of the insulating member and the sampling elastic piece of the present invention;

fig. 6 is a schematic structural view of the battery cell of the present invention when mounted with the battery cell;

in the figure: 1. a base; 2. sampling a copper bar; 21. a plug-in part; 22. a connecting portion; 23. a clamping part; 3. sampling the elastic sheet; 31. a sampling plate; 311. sampling the small plate; 32. a spring plate structure; 321. a fixed connection part; 322. a first connection portion; 323. a clamping portion; 324. a second connecting portion; 325. a hook portion; 326. a clamping protrusion; 4. an insulating member; 41. a male terminal; 42. a female terminal; 421. a transverse clamping groove; 422. a vertical mounting groove; 423. a nickel sheet butt-joint groove; 43. a bolt; 44. a jack; 5. a signal acquisition board; 51. a nickel sheet; 6. a signal interface; 7. soft-packaged battery cell.

Detailed Description

In the description of the invention, unless otherwise indicated, the terms

The directional or positional relationships indicated as "upper", "lower", "left", "right", "front", "rear", etc., are merely for the purpose of describing the invention and simplifying the description, and do not indicate or imply that the device or structure referred to must have a particular directional orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in figure 1, a to sampling device of formula of inserting soft-packaged electrical core include base 1, sampling copper bar 2, sampling shell fragment 3, insulating part 4, signal acquisition board 5 and signal interface 6.

As shown in fig. 1, the soft package cells to be sampled may be disposed on one or both sides of the base, and the soft package cells located on one side of the base may be connected in series along the length direction of the base to form a cell group; the sampling copper bar 2 is vertically connected to the base, the number of the adopted copper bars corresponds to the number of the soft package cells one by one, and the number of the soft package cells on one cell group is consistent with the number of the sampling copper bars, so that the lugs of the soft package cells can be connected to the corresponding sampling copper bars one by one, as shown in fig. 1 and 6, the cell groups are arranged on two sides, and therefore, one soft package cell corresponding to each other of the two cell groups is connected to the same sampling copper bar; as shown in fig. 2, the sampling copper bar includes a plug-in portion 21 inserted on the base, a connection portion 22 butted with the soft-packaged battery cell tab, and a clamping portion 23 connected to the elastic sheet structure 32 of the sampling elastic sheet, wherein the connection portion 22 and the battery cell tab are welded together, the plug-in portion is inserted on the base and fixed by glue, and the clamping portion is higher than the battery cell tab to connect with the sampling elastic sheet. The plug part and the joint part are both in a trapezoidal shape, the width of one end, butted with the connecting part, in the plug part is smaller than that of the connecting part and larger than that of one end, connected with the base, in the plug part, the width of one end, butted with the connecting part, in the joint part is larger than that of the connecting part and larger than that of one end, butted with the elastic sheet structure, in the joint part

As shown in fig. 3, the sampling elastic sheet 3 includes a sampling plate 31 and elastic sheet structures 32 connected to the lower end surface of the sampling plate and connected to the sampling copper bars in a one-to-one correspondence manner, wherein clamping protrusions 326 are provided on the elastic sheet structures, the sampling copper bars are in surface contact with the sampling elastic sheet through the clamping protrusions, and the sampling elastic sheet has a resilience force, which is beneficial to the attachment of the elastic sheet structures and the sampling copper bars; further, every shell fragment structure including connect on the sampling board and relative setting be used for right the sampling copper bar carries out two shell fragments of centre gripping, the shell fragment from the top down includes rigid coupling portion 321, first connecting portion 322, clamping part 323, second connecting portion 324 and hook portion 325 in proper order, the first connecting portion of two shell fragments are in the clamping part top is the type eight down just the second connecting portion of two shell fragments are in the clamping part below is the type eight, hook portion connects on the insulating sheet, so, the clamping part can realize the centre gripping to the sampling copper bar. The clamping bulges are arranged on the clamping parts of the elastic sheets, and the clamping bulges on the two elastic sheets are arranged on the opposite side surfaces of the clamping parts which are arranged oppositely.

As shown in fig. 5, the sampling elastic sheet is connected in the insulating member, as shown in fig. 4, the sampling plate is divided into at least two sampling small plates 311 along the length direction of the base, each sampling small plate is connected with at least one elastic sheet structure 32, the insulating member is divided into a male terminal 41 on one side and a female terminal 42 on the other side along the length direction of the insulating member, the male terminal is connected with a plug pin 43 along the length direction of the male terminal, and the female terminal is provided with a jack 44 corresponding to the plug pin, so that the connection between the female terminal and the male terminal is realized; be equipped with along its length direction in the female terminal with the sampling platelet one-to-one that sets up and be used for the joint the horizontal draw-in groove 421 of sampling platelet is in simultaneously be equipped with along its length direction in the female terminal with the shell fragment structure one-to-one that sets up and be used for the holding the vertical mounting groove 422 of shell fragment structure, vertical mounting groove with horizontal draw-in groove intercommunication, so realize the connection to the sampling shell fragment lie in every vertical mounting groove both sides bottom on the female terminal and be provided with the hook groove, hook portion 325 is connected in the hook groove.

As shown in fig. 1 and 6, the signal collecting plate 5 comprises a nickel sheet 51, wherein the signal collecting plate is connected to the insulating member; the female terminal is provided with a nickel sheet butt-joint groove corresponding to each transverse clamping groove and communicated with the transverse clamping grooves, and the nickel sheet on the signal acquisition board is connected with the sampling board through the nickel sheet butt-joint groove. So, the insulating part is integrated integrative with sampling shell fragment, signal interface and signal acquisition board, improves compact structure nature.

The upper end of sampling copper bar with the lower limb department of insulating part has designed buckle structure respectively, realizes the joint in the installation, provides external restraint for the connection of sampling shell fragment and sampling copper bar, ensures that under on-vehicle vibration operating mode, sampling shell fragment and sampling copper bar can not take place relative slip.

The signal acquisition board is connected to the upper surface of the insulating part in a clamped mode and is welded with the sampling elastic sheet, collected signals are collected through the signal interface and are transmitted to the outside, and reliable and stable sampling is finally achieved.

Nickel sheet among the signal acquisition board is convenient for on the one hand with the welded connection of sampling platform, is provided with the atress buffer on the other hand nickel sheet, causes direct the risk that leads to the sampling point inefficacy to the welding spot when preventing the signal acquisition board atress.

In order to make the purpose, technical solution and advantages of the present invention more concise and clear, the present invention is described with the above embodiments, which are only used for describing the present invention, and can not be understood as a limitation to the scope of the present invention. It should be understood that any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims

1. a sampling device for plug-in soft-packed cells, characterized in that,

A base (1), the soft-covered cells are arranged on one side or both sides of the base, and the soft-covered cells can be connected in series along the length direction of the base to form a battery cell group;

A sampling copper bar (2), which is vertically connected to the base, the sampling copper bar is in one-to-one correspondence with the soft-covered battery cells, and the tabs of the soft-covered battery cells are connected to the sampling copper bar ;

A sampling elastic sheet (3), comprising a sampling plate (31) and an elastic sheet structure (32) connected to the lower end surface of the sampling plate and connected with the sampling copper bars in one-to-one correspondence;

an insulating member (4), wherein the sampling elastic sheet is connected in the insulating member;

A signal collection board (5) includes a nickel sheet (51), the signal collection board is connected to the insulating member, and the nickel sheet is connected to the sampling board.

2 . The sampling device for plug-in soft-packed cells according to claim 1 , wherein the sampling copper bar comprises a plug-in portion (21) that is plugged on the base and is connected to the soft-pack. 3 . The connecting part (22) of the tab of the battery core and the clamping part (23) connected to the elastic sheet structure.

3 . The sampling device for plug-in soft-packed cells according to claim 2 , wherein the plug-in part and the clip-on part are both trapezoid-shaped, and the plug-in part is connected to the connection part. 4 . The width of the abutting end of the connecting portion is smaller than the width of the connecting portion and greater than the width of the end of the inserting portion connected to the base, and the width of the end of the latching portion that is connected to the connecting portion is greater than the width of the connecting portion. The width of the connecting portion is greater than the width of one end of the engaging portion that is butted with the elastic sheet structure.

4 . The sampling device for plug-in soft-packed cells according to claim 1 , wherein each of the elastic sheet structures comprises a structure connected to the sampling plate and arranged opposite to the sampling copper bar for sampling the sampling copper bar. 5 . The two clipped elastic pieces, from top to bottom, sequentially include a fixing part (321), a first connecting part (322), a clamping part (323), a second connecting part (324) and a hook part (325) ), the first connecting parts of the two elastic pieces are in an inverted figure-eight shape above the clamping part, and the second connecting parts of the two elastic pieces are in a figure-eight shape below the clamping part, and the hook part is in a figure-eight shape. connected to the insulating member (4).

5 . The sampling device for plug-in soft-packed cells according to claim 4 , wherein the clamping parts of the elastic pieces are close to each other and the two clamping parts are provided with clamping protrusions ( 326).

6 . The sampling device for plug-in soft-packed cells according to claim 1 , wherein the sampling plate is divided into at least two small sampling plates ( 311 ) along the length direction of the base, and each sampling plate is small. 7 . At least one elastic sheet structure is connected on the board, the insulating member is divided into a male terminal (41) on one side and a female terminal (42) on the other side along its length direction, and the female terminal is provided with a The sampling small plates are one-to-one used for clamping the transverse clamping grooves (421) of the sampling small plates, and the female terminal is provided with a one-to-one pair of the elastic sheet structure along its length direction and is used for accommodating the elastic sheet structure vertical mounting slot (422).

7 . The sampling device for plug-in soft-packed cells according to claim 6 , wherein a plug ( 43 ) is connected to the male terminal along its length direction, and the female terminal corresponds to the The pin is provided with a socket (44).

8 . The sampling device for plug-in soft-packed cells according to claim 6 , wherein the female terminal is provided with a nickel sheet docking slot that communicates with the lateral slot corresponding to each lateral slot. 9 . (423).