CN217522182U

CN217522182U - Soft packet of module integrated form battery connecting device

Info

Publication number: CN217522182U
Application number: CN202221029361.5U
Authority: CN
Inventors: 王文林; 洪秀玉; 丁健
Original assignee: Zhaoqing Helin Liye Technology Co ltd
Current assignee: Zhaoqing Helin Liye Technology Co ltd
Priority date: 2022-04-29
Filing date: 2022-04-29
Publication date: 2022-09-30
Anticipated expiration: 2032-04-29

Abstract

The utility model discloses a soft package module integrated battery connecting device, a flexible circuit board matched with the contour is attached on the inner wall of a supporting shell, the flexible circuit board is surrounded at the peripheral edge of a bus bar, and the flexible circuit board is provided with a plurality of information acquisition parts electrically connected with the bus bar and plug connectors electrically connected with the information acquisition parts, a connecting port for the plug connectors to extend out is arranged on the wall surface of the supporting shell, firstly, the flexible circuit board is communicated with the bus bar by adopting the flexible circuit board, the module battery voltage and temperature signals are acquired without adopting a low-voltage wiring harness mode, moreover, the flexible circuit board is matched with the contour of the inner wall of the supporting shell, the flexible circuit board is surrounded at the peripheral edge of the bus bar, the material utilization rate is improved, the use cost is reduced, and when the flexible circuit board is surrounded at the periphery of the bus bar, the information acquisition parts are further conveniently arranged around the bus bar, simplifying its connection structure.

Description

Soft packet of module integrated form battery connecting device

Technical Field

The utility model relates to a battery technology field especially relates to a soft packet of module integrated form battery connecting device.

Background

For gathering the voltage and the temperature signal of module battery among the prior art, adopt the mode of low pressure pencil mostly, but adopt to be connected between the busbar of pencil and module battery, inevitable can lead to structural dimension to require highly, and the pencil needs to consider the design fixed moreover, and structural reliability is lower relatively, and the preparation process is complicated, still can lead to the increase of cost of manufacture. For example, patent document CN104081559B discloses a battery connector system including a tray assembly configured to be mounted to a battery module made of a plurality of battery cells. A tray assembly has a tray with a tray connector defining a mating interface configured to mate with an electrical connector and a plurality of bus bars held by the tray. The electrical connector may be a harness connector or a circuit board connector. The bus bar is coupled to the tray and has a plate configured to be electrically connected to a corresponding cell tab of the battery cell. The bus bar has a fuse terminal positioned in the tray connector. A plurality of fuses are coupled to the fuse terminals. The fuses may be repairable fuses or resettable fuses. The fuse is connected between the electrical connector and the plate of the busbar. However, in the scheme of adopting the circuit board connector technology, the circuit board connector is low in material utilization rate, not reasonable in layout and occupies a large size space.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a soft packet of module integrated form battery connecting device to solve the problem that above-mentioned prior art exists, with the attaching of flexible circuit board on the inner wall of supporting the casing, the space of make full use of busbar week side has greatly promoted space utilization, and then has reduced use cost.

In order to achieve the above purpose, the utility model provides a following scheme: the utility model provides a soft-packaged module integrated form battery connecting device, include the supporting shell and install busbar in the supporting shell, the inner wall facing of supporting shell has the flexible circuit board rather than the identical of outline, the flexible circuit board encircle in the neighboring of busbar, just be equipped with on the flexible circuit board a plurality of with the information acquisition portion that the busbar electricity is connected, with the plug connector that the information acquisition portion electricity is connected, the confession has been seted up on the supporting shell wall the connector that the plug connector stretches out.

Preferably, the peripheral edge of the bus bar is matched with the contour of the inner wall of the support shell, and an annular gap for inserting the flexible circuit board is formed between the bus bar and the support shell.

Preferably, one end face of the bus bar is attached to the inner wall of the support shell, the flexible circuit board is provided with a plurality of bending portions which are abutted to the other end face of the bus bar, and the bending portions extend along the end face of the bus bar.

Preferably, the information acquisition part is a conductive sheet arranged on the inner side of the flexible circuit board in a penetrating manner, and the end part of the conductive sheet extends out of the bent part and is connected with the bus bar.

Preferably, a supporting plate is arranged at a position, corresponding to the connecting port, on the inner side of the supporting shell, and the plug connector is fixed on one side, close to the connecting port, of the supporting plate.

Preferably, the bus bar is divided into a plurality of blocks which are electrically connected and arranged at intervals, a plurality of partition plates are arranged on the wall surface of the supporting shell, and each partition plate is correspondingly arranged between two adjacent blocks.

Preferably, the wall surface of the support shell is provided with a plurality of insertion holes for the soft package battery pack to pass through and be inserted and connected to the blocks.

Preferably, two wiring terminals are arranged on the busbar, an opening for the busbar to enter is formed in the supporting shell, an insulating plate for isolating the busbar from outside electricity is plugged at the opening, and a wiring hole for the wiring terminals to expose is formed in the insulating plate.

Preferably, the insulation board comprises a first connection board plugged at the opening and a second connection board supported between the first connection board and the bus bar, the first connection terminal penetrates through the second connection board, a bus bar is connected between the other connection terminal and the bus bar, the other connection terminal and the bus bar are both arranged on one side of the second connection board far away from the bus bar, and the wiring hole is formed in the first connection board.

Preferably, one side of the first connecting plate, which is far away from the second connecting plate, is provided with an insulating annular frame, and the insulating annular frame is arranged at the wiring hole and sleeved on the periphery of the wiring terminal in a sleeved mode.

The utility model discloses for prior art gain following technological effect:

firstly, a flexible circuit board which is matched with the contour of the inner wall of the support shell is attached to the inner wall of the support shell, the flexible circuit board surrounds the peripheral edge of the bus bar, a plurality of information acquisition parts which are electrically connected with the bus bar and plug connectors which are electrically connected with the information acquisition parts are arranged on the flexible circuit board, a connector for the plug connectors to extend out is arranged on the wall surface of the support shell, the flexible circuit board is firstly communicated with the bus bar by adopting the flexible circuit board, the voltage and temperature signals of a module battery are acquired without adopting a low-voltage wiring harness mode, the reliability of the structure is ensured, the manufacturing process is simplified, the flexible circuit board is matched with the contour of the inner wall of the support shell so as to utilize the inner wall space of the support shell, the parallel arrangement of the flexible circuit board and the bus bar in the prior art is avoided, the material utilization rate of the circuit board connector is lower, the layout is not reasonable enough, the space with larger size is occupied, and the flexible circuit board is further surrounded on the peripheral edge of the bus bar, not only can make the narrow strip column structure that is with busbar looks adaptation, improve its material utilization, reduce use cost, and when flexible circuit board encircleed around the busbar, further conveniently encircle the busbar and set up information acquisition portion, simplified its connection structure.

Secondly, the peripheral edge of busbar is identical with the inner wall profile of support housing, and have the annular gap that is used for the flexible circuit board to peg graft between busbar and the support housing, form clamping action through the annular gap to the busbar on the one hand, avoid the flexible circuit board appear after taking off from the support housing inner wall, influence and the electric connection between the busbar, on the other hand makes the profile and the busbar phase-match of support housing, optimize the shape of support housing, the occupation space of whole support housing has been reduced, and the use of fully reduced material.

Thirdly, one end face of the bus bar is attached to the inner wall of the supporting shell, a plurality of bending parts which are abutted to the other end face of the bus bar are arranged on the flexible circuit board, the bending parts extend along the end face of the bus bar, after the bus bar is installed on the inner wall of the supporting shell, the bus bar is further abutted through the bending parts, and the bus bar is guaranteed to be firmly connected to the supporting shell.

Fourth, information acquisition portion is for wearing to establish the inboard conducting strip of flexible circuit board, and the tip of conducting strip stretches out the kink and is connected with the busbar, accomplishes the electricity between flexible circuit board and the busbar through setting up the conducting strip and is connected, and through pegging graft the conducting strip in the kink in addition, further optimized the position that sets up of conducting strip, and then rationalize the space that sets up of conducting strip, in addition when the kink butt is on the busbar, it is more convenient to be connected conducting strip and busbar.

Drawings

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

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an exploded view of the overall structure of the present invention;

fig. 3 is a schematic view of the flexible circuit board of the present invention before installation;

fig. 4 is a schematic diagram of the flexible circuit board of the present invention after being mounted;

fig. 5 is a sectional view of the flexible circuit board of the present invention after being mounted;

FIG. 6 is a schematic diagram of the present invention after the battery is connected;

the flexible packaging battery comprises a plug connector 1, a connecting terminal 2, an insulating annular frame 3, a first connecting plate 4, a supporting shell 5, a second connecting plate 6, a flexible circuit board 7, a bus bar 8, a partition plate 9, a conducting strip 10, a bending part 11, a connecting column 12 and a soft package battery pack 13.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 6, the present embodiment provides a soft package module integrated battery connection device, which includes a support housing 5 and a bus bar 8 installed in the support housing 5, wherein the bus bar 8 implements a current carrier for connecting the battery cells in series and in parallel, the support housing 5 is preferably made of plastic, so as to reduce the use cost sufficiently and meet the support strength, a flexible circuit board 7, i.e., an FPC, is attached to the inner wall of the support housing 5, the flexible circuit board 7 is matched with the profile of the flexible circuit board, the FPC has a reasonable layout, saves space and cost, is bonded and fixed to the support housing 5 through a back adhesive, the flexible circuit board 7 surrounds the peripheral edge of the bus bar 8, the flexible circuit board 7 is provided with a plurality of information collecting parts electrically connected with the bus bar 8 and plug connectors 1 electrically connected with the information collecting parts, the wall of the support housing 5 is provided with connectors for the plug connectors 1 to extend out, firstly, the flexible circuit board 7 is communicated with the bus bar 8, the voltage and temperature signals of the module battery are acquired without adopting a low-voltage wiring harness mode, the reliability of the structure of the flexible circuit board is ensured, the manufacturing process is simplified, moreover, the flexible circuit board 7 is matched with the inner wall contour of the supporting shell 5, so that the inner wall space of the supporting shell 5 is utilized, the situation that the flexible circuit board 7 and the bus bar 8 are arranged side by side in the prior art is avoided, the circuit board connector has lower material utilization rate and unreasonable layout and occupies larger size space, and further the flexible circuit board 7 surrounds the peripheral edge of the bus bar 8, therefore, the flexible circuit board 7 not only can be manufactured into a narrow strip-shaped structure matched with the bus bar 8, the material utilization rate is improved, the use cost is reduced, and the information acquisition part is further conveniently arranged around the bus bar 8 while the flexible circuit board 7 surrounds the bus bar 8, simplifying its connection structure. And the preferred plug-in 1 includes battery pack voltage and temperature acquisition, signal transmission, and BMS communication interface.

Wherein, the peripheral edge of busbar 8 is identical with the inner wall profile of support housing 5, and have the annular gap that is used for the flexible circuit board 7 to peg graft between busbar 8 and the support housing 5, on the one hand, form clamping action through annular gap to busbar 8, avoid flexible circuit board 7 to appear after the inner wall of support housing 5 drops off, influence and the electric connection between busbar 8, on the other hand makes the profile and the busbar 8 phase-match of support housing 5, optimize the shape of support housing 5, the occupation space of whole support housing 5 has been reduced, and the use of the abundant reduction material. The preferred support shell 5 is a rectangular shell structure, and the bus bar 8 and the FPC are regular rectangular structures, so that the material is saved, and the cost is reduced.

Preferably, one end surface of the bus bar 8 is attached to the inner wall of the supporting housing 5, the flexible circuit board 7 is provided with a plurality of bending portions 11 which are all abutted to the other end surface of the bus bar 8, the bending portions 11 extend along the end surface of the bus bar 8, and after the bus bar 8 is installed on the inner wall of the supporting housing 5, the bus bar 8 is further abutted through the bending portions 11, so that the bus bar 8 is firmly connected to the supporting housing 5.

Further, information acquisition portion is for wearing to establish at the inboard conducting strip 10 of flexible circuit board 7, the tip of conducting strip 10 stretches out kink 11 and is connected with busbar 8, accomplish the electricity between flexible circuit board 7 and the busbar 8 through setting up conducting strip 10 and be connected, and through pegging graft conducting strip 10 in kink 11, further optimized conducting strip 10 set up the position, and then rationalize conducting strip 10 set up the space, and in the time of kink 11 butt on busbar 8, it is more convenient to be connected conducting strip 10 and busbar 8. The preferred conductive sheet 10 is a nickel sheet, each of which is laser welded to the bus bar 8.

For guaranteeing the rigidity to plug connector 1, the inboard position department that corresponds the connector of support housing 5 is equipped with the backup pad, and plug connector 1 is fixed in the backup pad and is close to one side of connector, and is preferred, for guaranteeing fixed connection, and the automated processing of being convenient for promotes the volume production feasibility, and plug connector 1 passes through spliced pole 12 hot melt riveting fixed with the backup pad, for example BOSS post etc..

As the utility model discloses preferred embodiment, busbar 8 divide into the piecemeal that a plurality of electricity are connected and the interval sets up, and each piecemeal matches corresponding battery module and connects to and realize corresponding cluster, parallel circuit between the battery monomer, and be equipped with a plurality of baffles 9 on the wall of support housing 5, each baffle 9 corresponds and installs between adjacent two piecemeal, baffle 9 and support housing 5 integrated into one piece, can enough form reasonable differentiation and the fixing to the piecemeal, can guarantee again to the insulation of each piecemeal.

Furthermore, a plurality of insertion holes for the soft-package battery pack 13 to penetrate through and be inserted into each block are formed in the wall surface of the supporting shell 5, and the single batteries penetrate through the corresponding insertion holes to be inserted into the bus bar 8, so that the single batteries are electrically connected with the bus bar 8.

Moreover, two wiring terminals 2 are arranged on the bus bar 8, an opening for the bus bar 8 to enter is formed in the supporting shell 5, the bus bar 8 and an external electric insulation board is sealed at the opening, and a wiring hole for the wiring terminals 2 to expose is formed in the insulation board so as to complete series connection or parallel connection between the batteries through the wiring hole.

As the utility model discloses preferred embodiment, the insulation board includes the shutoff at the first connecting plate 4 of opening part, support the second connecting plate 6 between first connecting plate 4 and busbar 8, a binding post 2 passes second connecting plate 6, be connected with the busbar between another connecting terminal and the busbar 8, and another connecting terminal all sets up the one side of keeping away from busbar 8 at second connecting plate 6 with the busbar, the wiring hole is seted up on first connecting plate 4, wherein separate two binding post 2 fully through second connecting plate 6, avoid taking place the phenomenon of breaking, and then accomplish the cover to each binding post 2 connecting wire through first connecting plate 4, avoid its phenomenon such as taking place the electricity with the external world and be connected. And preferably the second web 6 abuts on the side of the support plate remote from the plug 1.

In order to fully avoid electric leakage, electric shock and the like of the wiring terminal 2, an insulating annular frame 3 is arranged on one side, away from the second connecting plate 6, of the first connecting plate 4, the insulating annular frame 3 is arranged at the wiring hole and sleeved on the periphery of the wiring terminal 2 in an annular mode, and protection for the wiring terminal 2 is formed.

The adaptability that carries out according to actual demand all is in the protection scope of the utility model.

It should be noted that, as is obvious to a person skilled in the art, the invention is not limited to details of the above-described exemplary embodiments, but can be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.

Claims

1. The utility model provides a soft packet of module integrated form battery connecting device, its characterized in that, includes the support housing and installs busbar in the support housing, the inner wall facing of support housing has the flexible circuit board rather than the identical of outline, the flexible circuit board encircle the neighboring of busbar, just be equipped with on the flexible circuit board a plurality of with the information acquisition portion that the busbar electricity is connected, with the plug connector that the information acquisition portion electricity is connected, offer the confession on the support housing wall the connector that the plug connector stretches out.

2. The flexible package module integrated battery connecting device according to claim 1, wherein the peripheral edge of the bus bar is matched with the contour of the inner wall of the support housing, and an annular gap is formed between the bus bar and the support housing for inserting the flexible circuit board.

3. The soft-packing module integrated battery connecting device according to claim 2, wherein one end face of the bus bar is attached to the inner wall of the support housing, and the flexible circuit board is provided with a plurality of bent portions each abutting against the other end face of the bus bar, and the bent portions extend along the end faces of the bus bar.

4. The integrated soft package module type battery connecting device according to claim 3, wherein the information collecting part is a conductive sheet penetrating the inner side of the flexible circuit board, and the end of the conductive sheet extends out of the bent part and is connected with the bus bar.

5. The soft-package module integrated battery connecting device according to claim 2 or 4, wherein a supporting plate is arranged at a position corresponding to the connecting port on the inner side of the supporting shell, and the plug connector is fixed on one side of the supporting plate close to the connecting port.

6. The integrated soft package module type battery connecting device according to claim 5, wherein the bus bar is divided into a plurality of electrically connected and spaced blocks, and a plurality of partition plates are disposed on the wall surface of the supporting housing, and each partition plate is correspondingly installed between two adjacent blocks.

7. The integrated battery connecting device of claim 6, wherein the wall of the supporting housing is provided with a plurality of insertion holes for the pouch battery pack to pass through and be inserted into the blocks.

8. The integrated soft package module battery connecting device according to claim 7, wherein two connecting terminals are disposed on the bus bar, an opening for the bus bar to enter is disposed on the supporting housing, an insulating plate for isolating the bus bar from external electricity is sealed at the opening, and a connecting hole for exposing the connecting terminal is disposed on the insulating plate.

9. The integrated soft package module battery connecting device according to claim 8, wherein the insulating plate comprises a first connecting plate sealed at the opening, and a second connecting plate supported between the first connecting plate and the bus bar, one of the connecting terminals passes through the second connecting plate, another of the connecting terminals and the bus bar is connected with a conductive strip, the other of the connecting terminals and the conductive strip are both disposed on a side of the second connecting plate away from the bus bar, and the connecting hole is opened on the first connecting plate.

10. The integrated soft pack module type battery connecting device according to claim 9, wherein an insulating annular frame is disposed at a side of the first connecting plate away from the second connecting plate, and the insulating annular frame is disposed at the terminal hole and is annularly sleeved on an outer circumferential side of the terminal.