CN109473615B

CN109473615B - Battery connection module

Info

Publication number: CN109473615B
Application number: CN201810751125.6A
Authority: CN
Inventors: 曾尚秀; 林健兴; 林勇
Original assignee: Molex Interconnect Chengdu Co Ltd; Molex LLC
Current assignee: Molex Interconnect Chengdu Co Ltd; Molex LLC
Priority date: 2017-09-08
Filing date: 2018-07-10
Publication date: 2021-11-19
Anticipated expiration: 2038-07-10
Also published as: CN109473615A; JP6684328B2; TW201914152A; TWI684313B; TW201914086A; JP2019050200A

Abstract

A battery connection module comprises a bearing plate, a plurality of bus pieces and a circuit unit. The bearing disc is provided with a first edge, a second edge and two end edges, wherein the first edge and the second edge are positioned on two opposite sides. The circuit unit comprises a flexible circuit piece and a connector, wherein the flexible circuit piece is provided with a main body and a mounting bar extending from the main body, the mounting bar is provided with a connecting part extending from the main body, a bendable part extending from the connecting part and a connector mounting part connected to the tail end of the bendable part, and the connector is arranged on the connector mounting part and provided with a butt end. Wherein the bendable portion is operable to position the connector at a location where the mating ends face in different directions.

Description

Battery connection module

Technical Field

The present invention relates to a battery connection module, and more particularly, to a battery connection module for connecting rechargeable batteries in series for high power output.

Background

A Battery System, such as a vehicle Battery, generally includes a plurality of electrochemical rechargeable batteries arranged side by side to form a Battery pack, and a Battery connection module is generally used to connect the batteries in series to form a pair of output electrodes, and the Battery connection module is also provided with a control circuit to connect to a Battery Management System (BMS).

For example, chinese patent publication No. CN105144463 (corresponding to US 2016/0043446) discloses a battery contact system for an electrochemical device, which comprises a monitoring unit, and the monitoring unit comprises a signal connector for connecting a connection line with a monitoring unit of another battery contact system or with a central monitoring device. The signal connector is fixed on a printed circuit board and can be plugged with the cable plug only from one fixed direction, and if the plugging direction of the signal connector is changed, the printed circuit board, the bearing component and the covering component need to be manufactured again. Secondly, the signal connector is only covered by the covering component, and does not provide enough fixing structure for the signal connector, so that the connector is easily damaged when the signal connector is inserted and pulled, and even the printed circuit board can be dragged to damage the printed circuit board or a structure connected with the printed circuit board.

Disclosure of Invention

It is therefore an object of the present invention to provide a battery connection module having a connector that can be changed in the insertion direction at two positions.

It is, therefore, another object of the present invention to provide a battery connecting module having a connector fixed by a fixing structure.

Therefore, in some embodiments, the battery connection module of the present invention is suitable for connecting a battery pack, and the battery connection module includes a carrier tray, a plurality of bus bars, and a circuit unit. The bearing disc is suitable for being arranged on the battery pack and is provided with a first edge and a second edge which are positioned at two opposite sides and two end edges which are respectively connected with two ends of the first edge and the second edge. The plurality of confluence pieces are arranged on the bearing plate and are suitable for being electrically connected with the battery pack. The circuit unit comprises a flexible circuit piece and a connector, wherein the flexible circuit piece is mechanically and electrically connected to each bus piece and is provided with a main body and a mounting strip extending from the main body, the mounting strip is provided with a connecting part extending from the main body corresponding to one end edge of the bearing disc and at least one bendable part extending from the connecting part, the tail end of at least one bendable part forms a connector mounting part, the connector is arranged on the connector mounting part and is provided with a butt joint end suitable for butt joint with a butt joint connector, and the bendable part can enable the connector to be located at the position where the butt joint end faces different directions in an operable mode.

In some embodiments, the bendable portion is operable to position the connector at a first position where the mating end faces the first edge side; and the bendable part can be operated to enable the connector to be located at a second position of the butting end towards the direction of the second edge side.

In some embodiments, the mounting bar has two bendable portions extending corresponding to two sides of the first and second edge directions, respectively, the two bendable portions being operable to form at least two bends for the bendable portion near the first edge and at least one bend for the bendable portion near the second edge, so that the connector is located at the first position; the two bendable portions are operable to form at least one bend in the bendable portion near the first edge and at least two bends in the bendable portion near the second edge, such that the connector is in the second position.

In some embodiments, the mounting bar has a bendable portion extending from a lower end of the connecting portion, the bendable portion being operable to bend toward the first edge to form at least one bend to position the connector in the first position; the bendable part can be operated to bend towards the second edge direction to form at least one bend so as to enable the connector to be located at the second position.

In some embodiments, the bendable portion is operable to bend at an angle of 45 degrees toward the first edge to form a bend to position the connector in the first position; the bendable part can be operated to bend towards the second edge direction at an included angle of 45 degrees to form a bend so as to enable the connector to be located at the second position.

In some embodiments, the connector mounting portion is formed by a first mounting section connected to the bendable portion, a second mounting section juxtaposed to the first mounting section, and a connecting section connected between the first and second mounting sections in a bent manner.

In some embodiments, the mounting bar has a bendable portion extending laterally from a side of the connecting portion corresponding to the first edge direction, the bendable portion being operable to form at least two bends to position the connector in the first position; the bendable portion is operable to form at least one bend to position the connector in the second position.

In some embodiments, the bendable section ends are layered to form two connector mounting sections alongside each other.

In some embodiments, the mounting bar has a bendable portion extending laterally from a side of the connecting portion corresponding to the second edge direction, the bendable portion being operable to form at least one bend to position the connector in the first position; the bendable part is not bent to make the connector located at the second position.

In some embodiments, the bendable portion is operable to turn in a direction toward the first edge side once through the outer side of the connecting portion with respect to the carrier tray to locate the connector in the first position.

In some embodiments, the bendable portion is operable to turn in a direction toward the first edge side once through the inner side of the connecting portion with respect to the carrier tray to locate the connector in the first position.

In some embodiments, the connecting portion has a notch, the mounting bar has two bendable portions, the two bendable portions respectively bend from two side edges of the connecting portion corresponding to the first and second edge directions toward the inner side of the connecting portion relative to the carrier tray, extend toward each other, then bend and penetrate out of the notch toward the outer side of the connecting portion relative to the carrier tray, and a region where the two bendable portions are combined can be operated to form at least one bend so as to position the connector at the first position; the area where the two bendable portions merge is operable to form at least one bend to position the connector in the second position.

In some embodiments, the two bendable portions are subdivided at the ends of the merged region to form two connector mounting portions.

In some embodiments, the mounting bar has two bendable portions extending from the same side of the connecting portion corresponding to the first edge direction at intervals, and the connecting portion forms a bend such that the two bendable portions face to face and are arranged side by side; the two bendable portions are operable to form at least two bends to position the connector in the first position; the two bendable portions are operable to form at least one bend to position the connector in the second position.

In some embodiments, the mounting bar has two bendable portions, the connecting portion is cut into two parts along the extending direction, and the two bendable portions extend from the ends of the two parts of the connecting portion respectively, defining the two bendable portions, wherein the first bendable portion is closer to the first edge, and the second bendable portion is closer to the second edge; the first bendable portion is operable to form at least one bend and the second bendable portion is operable to form at least one bend to position the connector in the first position; the first bendable portion is operable to form at least one bend and the second bendable portion is operable to form at least one bend to position the connector in the second position.

In some embodiments, the connector includes an insulative housing and a plurality of terminals disposed in the insulative housing, the plurality of terminals being connected to the connector mounting portion of the mounting bar, the connector further including a housing disposed in the insulative housing.

In some embodiments, the carrier tray further has a seat for receiving the connector and the mounting bar.

In some embodiments, the housing has a first lateral opening facing the first edge side for the connector to be located at the first position and a second lateral opening facing the second edge side for the connector to be located at the second position.

In some embodiments, the connector includes an insulative housing, the insulative housing of the connector has a first fastening structure, and the seat has a second fastening structure that is fastened to the first fastening structure.

In some embodiments, the insulating housing further has a bottom surface, the first fastening structure is formed on the bottom surface, the base further has a connecting wall extending downward from the end edge of the carrier tray, a limiting wall spaced apart from and opposing the connecting wall, and a bottom wall connected between the connecting wall and a lower edge of the limiting wall, and the second fastening structure is formed on the bottom wall.

In some embodiments, the second fastening structure is formed by two spaced apart rails, the two convex rails are respectively provided with a rib part extending parallel to the end edge of the bearing disc, an upper blocking part extending from the rib part towards the direction opposite to the other convex rail and spaced from the bottom wall, and a clamping block extending from the rib part towards the other convex rail, one of the clamping blocks of the two convex rails is closer to the first edge for clamping the connector at the first position, and the other one is closer to the second edge for the connector to be clamped when the connector is located at the second position, the first buckling structure is formed by two mutually parallel and spaced slide rails and a hook part which is arranged between the two slide rails and is matched and clamped on one clamping block, the opposite sides of the two slide rails are respectively provided with a limit groove with one end closed so as to respectively match and contain the upper blocking parts of the two convex rails.

In some embodiments, the apparatus further comprises an upper cover having a main cover body covering the carrier tray and a side cover body connected to the main cover body and covering the base body.

In some embodiments, the side cover has at least one hook, and the position-limiting wall of the base forms at least one fastening hole for the at least one hook to be fastened.

In some embodiments, the insulating housing of the connector has a bottom surface, and the bottom surface has a first fastening structure for fastening with a second fastening structure formed on a top surface of a sidewall of a case of the battery pack.

In some embodiments, the second fastening structure is formed by two spaced rails, each rail has a rib portion extending parallel to the edge of the carrier tray, a top stop portion extending from the rib portion toward the direction opposite to the other rail and spaced from the top surface of the sidewall, and a stopper extending from the rib portion toward the other rail, one of the clamping blocks of the two convex rails is closer to the first edge for clamping the connector at the first position, and the other one is closer to the second edge for the connector to be clamped when the connector is located at the second position, the first buckling structure is formed by two mutually parallel and spaced slide rails and a hook part which is arranged between the two slide rails and is matched and clamped on one clamping block, the opposite sides of the two slide rails are respectively provided with a limit groove with one end closed so as to respectively match and contain the upper blocking parts of the two convex rails.

In some embodiments, the connector further includes an upper cover having a main cover body covering the carrier tray and a side cover body connected to the main cover body, wherein the side cover body at least covers the mounting bar connected to the rear end of the connector.

In some embodiments, the carrier tray has a plurality of mounting slots for respectively receiving the plurality of bus bars, each mounting slot is defined by a slot bottom wall and a slot side wall, the slot side wall is provided with an alignment key protruding from the mounting slot, and each bus bar has an alignment notch matching with the alignment key in the corresponding mounting slot.

In some embodiments, each of the groove sidewalls has a first sidewall and a second sidewall opposite to each other, the alignment key is disposed on the first sidewall, the first sidewall is further provided with at least one hook, the second sidewall is provided with a plurality of lower stoppers located at a first height and a plurality of upper stoppers located at a second height, one side of the bus bar is located between the upper stoppers and the lower stoppers, a height difference between the second height and the first height is greater than a thickness of the corresponding bus bar, the bottom sidewall is provided with a plurality of supporting blocks having a height equal to that of the lower stoppers at a top end, the lower stoppers and the supporting blocks support the corresponding bus bar, and the upper stoppers and the at least one hook limit the corresponding bus bar.

The invention has at least the following effects: the flexible circuit member has a flexible portion capable of bending by operation, so that an installer can flexibly adjust and select to position the connector at the first position or the second position to meet the use requirement, and the cost of individually manufacturing the die for positioning the connector at different positions and the cost of product inventory can be saved.

Furthermore, the connector can be fastened by the first fastening structure and the second fastening structure to be fixed at one end of the bearing plate, so that the structure of the whole battery connection module is compact, the integration is better, the butting connector can be conveniently butted with the connector, and the possible damage caused by pulling the connector during plugging and unplugging can be avoided.

Furthermore, the side cover body of the upper cover at least covers the mounting bar and the joint of the mounting bar and the connector, so that the mounting bar and the joint of the mounting bar and the connector can be protected from being damaged.

Drawings

Other features and effects of the present invention will become apparent from the following detailed description of the embodiments with reference to the accompanying drawings, in which:

fig. 1 is an exploded perspective view of a first embodiment of a battery connection module and a battery pack according to the present invention;

fig. 2 is a perspective view of the flexible circuit member deployment and terminals of the first embodiment;

fig. 3 is an exploded perspective view of the battery connection module and the connector of the first embodiment in a first position;

fig. 4 is a perspective view of the battery connection module and the connector of the first embodiment assembled in a first position;

fig. 5 is an exploded perspective view of the battery connection module and the connector of the first embodiment in a first position;

fig. 6 is a perspective view of the battery connection module and the connector of the first embodiment assembled in a second position;

fig. 7 is a perspective view of the flexible circuit member and connector of the first embodiment viewed obliquely from the bottom;

FIG. 8 is a perspective view of the base of the carrier tray of the first embodiment;

fig. 9 is an exploded perspective view of the upper cover of the battery connection module of the first embodiment before assembly;

fig. 10 is a perspective view of the assembled upper cover of the battery connection module of the first embodiment;

fig. 11 is a perspective view of a second embodiment of the battery connection module of the present invention with the side wall of the case of the battery pack;

FIG. 12 is an exploded perspective view of the second embodiment and the side wall of the case of the battery pack;

FIG. 13 is an enlarged fragmentary area of FIG. 12;

fig. 14 is an exploded perspective view of a third embodiment of the battery connection module of the present invention;

fig. 15 is an assembled perspective view of the battery connection module of the third embodiment, illustrating the connector in a first position;

fig. 16 is an assembled perspective view of the battery connection module of the third embodiment, illustrating the connector in a second position;

fig. 17 is a perspective view of a fourth embodiment of the battery connection module of the present invention;

FIG. 18 is a perspective view of the fourth embodiment illustrating the connector in a first position;

FIG. 19 is a perspective view of the fourth embodiment illustrating the connector in a second position;

fig. 20 is an exploded perspective view of a fifth embodiment of the battery connection module of the present invention;

FIG. 21 is a perspective view of the fifth embodiment illustrating the connector in a first position;

FIG. 22 is a perspective view of the fifth embodiment illustrating the connector in a second position;

fig. 23 is an exploded perspective view of a sixth embodiment of the battery connection module of the present invention;

FIG. 24 is a perspective view of the sixth embodiment illustrating the connector in a first position;

FIG. 25 is a perspective view of the sixth embodiment illustrating the connector in a second position;

fig. 26 is an exploded perspective view of a seventh embodiment of the battery connection module of the present invention;

fig. 27 is a perspective view of the flexible circuit member and the terminal of the seventh embodiment, illustrating the unfolded state of the mounting bar of the flexible circuit member before being assembled;

FIG. 28 is a perspective view of the seventh embodiment illustrating the connector in a second position;

FIG. 29 is a perspective view of the seventh embodiment, illustrating the connector in a first position;

fig. 30 is an exploded perspective view of an eighth embodiment of the battery connection module of the present invention;

FIG. 31 is a schematic perspective view of the eighth embodiment illustrating the connector in a second position;

FIG. 32 is a schematic perspective view of the eighth embodiment illustrating the connector in a first position;

fig. 33 is a perspective view of a ninth embodiment of the battery connection module of the present invention, illustrating the connector in a first position;

FIG. 34 is a perspective view of the ninth embodiment illustrating the connector in a second position;

fig. 35 is a perspective view of a tenth embodiment of a battery connection module of the present invention;

fig. 36 is a fragmentary exploded perspective view of the tenth embodiment illustrating the flexure of the mounting bar of the flexible circuit member with the connector in the first position;

fig. 37 is a fragmentary exploded perspective view of the tenth embodiment illustrating the flexure of the mounting bar of the flexible circuit member with the connector in the second position;

fig. 38 is an expanded schematic view of the flexible circuit member of the tenth embodiment;

FIG. 39 is an exploded perspective view of the tenth embodiment, illustrating the assembled relationship of the bus bar and the carrier tray;

FIG. 40 is another angular view corresponding to FIG. 39;

fig. 41 is a perspective view of an eleventh embodiment of the battery connection module of the present invention;

fig. 42 is a fragmentary, exploded perspective view of the eleventh embodiment, illustrating the flexure of the mounting bar of the flexible circuit member when the connector is in the first position;

fig. 43 is a fragmentary exploded perspective view of the eleventh embodiment illustrating the flexure of the mounting bar of the flexible circuit member with the connector in the second position; and

fig. 44 is an expanded schematic view of the flexible circuit member of the eleventh embodiment.

Wherein the reference numerals are as follows:

1 bearing plate

111 first edge

112 second edge

113 end edge

12 seat body

121 first lateral opening

122 second lateral opening

123 connecting wall

124 limit wall

124a buttonhole

125 bottom wall

126 second fastening structure

126a convex rail

1261 Rib part

1262 upper stop part

1263 clip

13 mounting groove

131 groove bottom wall

131a hollow part

132 groove side wall

132a first side wall portion

132b second side wall portion

14 position-aligning key

15 trip

16 lower stop block

17 upper stop block

18 support block

2 bus bar

21 alignment notch

3 Circuit Unit

4 flexible circuit member

41 main body

42 mounting bar

421 connecting part

421a base

421b extension part

421c notch

422. 422' bendable part

422a bendable part

422b bendable part

423 connector mounting part

423a first mounting section

423b second mounting section

423c connecting segment

423d mounting section

43 conductive sheet

5 connector

51 insulating shell

511a butt joint surface

511b rear end face

512 bottom surface

513 first fastening structure

513a slide rail

513b hook part

513c limiting groove

52 terminal

521 tail part

522 contact part

53 outer cover

54 insulator

6 Upper cover

61 Main cover

62 side cover body

621 trip

622 groove

7 group battery

71 cell

72 Box body

721 Top surface of side wall

8 butting connector

C bend

Detailed Description

Before the present invention is described in detail, it should be noted that in the following description, similar components are denoted by the same reference numerals.

Referring to fig. 1, a first embodiment of the battery connection module of the present invention is suitable for connecting a battery pack 7, the battery pack 7 includes a plurality of batteries 71 and a case 72 accommodating the plurality of batteries 71, and the battery connection module includes a carrier tray 1, a plurality of bus bars 2, a circuit unit 3 and an upper cover 6. The carrier plate 1 is adapted to be arranged on the battery pack 7 and is made of an insulating material. In the first embodiment, the carrier tray 1 has a first edge 111 and a second edge 112 located at two opposite sides, and two end edges 113 respectively connected to two ends of the first and

second edges

111, 112, and the carrier tray 1 further has a base 12 connected to one end edge 113. The plurality of bus bars 2 are disposed on the carrier tray 1 and adapted to electrically connect the cells 71 of the battery pack 7.

Referring to fig. 2 to 6, the circuit unit 3 includes a flexible circuit member 4 and a connector 5. The flexible circuit member 4 is mechanically and electrically connected to each bus bar 2 and has a main body 41 and a mounting bar 42 integrally extending from the main body 41. In the present embodiment, the flexible circuit member 4 is mechanically and electrically connected to the bus bars 2 through a plurality of conductive sheets 43 from the main body 41, for example, by soldering, and one end of each conductive sheet 43 is connected to the bus bar 2 and the other end is connected to the conductive trace on the main body 41. The flexible circuit member 4 may be, for example, an FFC flexible flat cable and an FPC flexible circuit board. The conductive traces on the main body 41 extend to the mounting bar 42, and the conductive traces may further include traces for connecting to a temperature sensor or traces for connecting to other components, in addition to the conductive traces for connecting to the bus bars 2. The mounting bar 42 has a connecting portion 421 corresponding to an end edge 113 of the carrier tray 1 and extending downward from the main body 41, and at least one bendable portion 422 extending from the connecting portion 421, the end of the bendable portion 422 forms a connector mounting portion 423, and the connector 5 is disposed on the connector mounting portion 423. In the first embodiment, the mounting bar 42 has two bendable portions 422 respectively extending from two sides of the connecting portion 421 corresponding to the first and

second edges

111, 112. The connector 5 includes an insulating housing 51 and a plurality of terminals 52 disposed on the insulating housing 51, wherein the terminals 52 each have a tail portion 521 for respectively fixing to a connector mounting portion 423 at the end of the bendable portion 422 and electrically connecting to each conductive trace. In one embodiment, the tail portions 521 of the terminals 52 may each have a piercing structure for piercing the connector mounting portions 423 fixed to the ends of the mounting bar 42, and thereby electrically connecting the terminals 52 with the conductive traces on the mounting bar 42, and in other embodiments, the structure of the tail portions 521 of the terminals 52 connecting the connector mounting portions 423 and the conductive traces may be changed to other equivalent structures. In the first embodiment, since the two bendable portions 422 are provided, the terminals 52 are provided in a row on the connector mounting portions 423 at the ends of the two bendable portions 422, the two connector mounting portions 423 and the terminals 52 are arranged in two rows after the two bendable portions 422 are bent, and the terminals 52 are assembled in the insulating housing 51. Specifically, in the first embodiment, the insulating housing 51 has a mating end 511a adapted to mate with a mating connector (not shown), a rear end 511b opposite to the mating end 511a, and a bottom surface 512. Each of the plurality of terminals 52 further has a contact portion 522, and the plurality of terminals 52 are assembled into the insulating housing 51 from the rear end 511b such that the connector mounting portion 423 of the mounting bar 42 is connected to the rear end 511b of the insulating housing 51, that is, the connector 5 is provided to the connector mounting portion 423. For clarity of illustration and description, the two bendable portions 422 are respectively labeled herein as

bendable portions

422a, 422 b. As shown in fig. 3 and 4, the two bendable portions 422a and 422b are operable to make the bendable portion 422a near the first edge 111 turn twice in the direction of the second edge 112 and then in the direction of the first edge 111 to form two bends C at the outside of the connecting portion 421 relative to the carrier tray 1, and the bendable portion 422b near the second edge 112 turns once in the direction of the first edge 111 to form one bend C and is located at the outside of the bendable portion 422a relative to the carrier tray 1, so that the two connector mounting portions 423 extend in the direction of the first edge 111, that is, the ends of the two bendable portions 422a and 422b face the first edge 111 together, so that the connector 5 is located at a first position (as shown in fig. 4) where the butt end 511a faces the first edge 111; referring to fig. 5 and 6, or alternatively, the two bendable portions 422a and 422b are operable to turn the bendable portion 422a near the first edge 111 toward the second edge 112 to form one bend C at a time and are located outside the bendable portion 422b relative to the carrier tray 1, and the bendable portion 422b near the second edge 112 turns twice to form two bends C first toward the first edge 111 and then toward the second edge 112, so that the connector mounting portion 423 extends toward the second edge 112, that is, the ends of the two bendable portions 422a and 422b face the second edge 112 together, so that the connector 5 is located at a second position (as shown in fig. 6) where the mating end 511a faces the second edge 112. In the first embodiment, the base 12 of the carrier tray 1 has a first lateral opening 121 facing the first edge 111 side for the connector 5 to be located at the first position and a second lateral opening 122 facing the second edge 112 side for the connector 5 to be located at the second position, so that the connector 5 can be selectively located at the first position or the second position according to the use requirement. When the connector 5 is located at the first position, the mating connector located near the first edge 111 can be conveniently plugged, and when the connector 5 is located at the second position, the mating connector located near the second edge 112 can be conveniently plugged, that is, the connector 5 can be set at the first position or the second position according to the position of the battery pack 7 to be installed in a device (such as an automobile) and the relative position of the device (such as a battery management system) connected with the mating connector, so that the flexibility of adjustment is provided.

Referring to fig. 7 and 8, in the first embodiment, the insulating housing 51 of the connector 5 further has a first fastening structure 513, and the first fastening structure 513 is formed on the bottom surface 512 of the insulating housing 51. The base 12 further has a connecting wall 123 extending downward from the end edge 113 of the carrier tray 1, a limiting wall 124 spaced from and opposite to the connecting wall 123, a bottom wall 125 connected between the connecting wall 123 and the lower edge of the limiting wall 124, and a second fastening structure 126 formed on the bottom wall 125 and between the connecting wall 123 and the limiting wall 124 for fastening the first fastening structure 513 to each other. The second fastening structure 126 is formed by two spaced apart rails 126a, each of the two rails 126a has a rib portion 1261 extending parallel to the end edge 113 of the carrier tray 1, a top stop portion 1262 extending from the rib portion 1261 in a direction opposite to the other rail 126a and spaced from the bottom wall 125, and a latching block 1263 extending from the rib portion 1261 toward the other rail 126a, and one of the latching blocks 1263 of the two rails 126a is closer to the first edge 111 for the connector 5 to be latched in the first position, and the other one is closer to the second edge 112 for the connector 5 to be latched in the second position. The first fastening structure 513 is formed by two mutually parallel and spaced slide rails 513a and a hook portion 513b between the two slide rails 513a for being engaged with one of the latch blocks 1263, and opposite sides of the two slide rails 513a are respectively formed with a limiting groove 513c with a closed end for respectively receiving the upper stop portions 1262 of the two convex rails 126 a. When the connector 5 is to be set at the first position, the insulating housing 51 of the connector 5 can be inserted into the opening 121 from the first side of the housing 12, so that the open ends of the retaining grooves 513c of the two slide rails 513a are inserted into the upper retaining portions 1262 of the two convex rails 126a respectively and the hook portion 513b slides between the two rib portions 1261 until the hook portion 513b crosses the latch 1263 located at the side corresponding to the hook portion 513b, the hook portion 513b protrudes to the left as shown in fig. 7, corresponding to the direction of fig. 8, when the connector 5 is inserted into the opening 121 from the first side, the first side opening 121 is set as the front side with respect to the second side opening 122, the hook portion 513b passes over the latch 1263 located at the left side (i.e. the latch 1263 located on the convex rail 126a adjacent to the connecting wall 123), and then is latched to the rear side of the latch 1263, and the closed ends of the retaining grooves 513c of the two slide rails 513a abut against the front ends of the two upper retaining portions 1262, so as to retain the connector 5 in the front and back, and the two sliding rails 513a and the two protruding rails 126a are buckled with each other to limit the connector 5 in the vertical direction and the left-right direction, so that the connector 5 can be firmly fixed on the housing 12. Similarly, when the connector 5 is to be disposed at the second position, the fixing portion 512 of the connector 5 can be inserted into the second lateral opening 122 of the seat 12 and can be fixed in the same manner.

Referring to fig. 9 and 10, the upper cover 6 has a main cover 61 covering the carrier tray 1 and a side cover 62 connected to the main cover 61 and covering the base 12, the side cover 62 has at least one hook 621, and the limiting wall 124 of the base 12 forms at least one fastening hole 124a for the at least one hook 621 to fasten. In the first embodiment, the side cover 62 has two hooks 621, and the limiting wall 124 of the base 12 forms two fastening holes 124a for the hooks 621 to fasten, so that the side cover 62 and the base 12 are covered and fixed. The side cover 62 covers the base 12 to protect the mounting bar 42 and the connection between the mounting bar 42 and the connector 5.

Referring to fig. 11 to 13, a second embodiment of the battery connection module according to the present invention is different from the first embodiment in that: the carrier tray 1 is not provided with the seat 12, and the second fastening structure 126 is formed on a top surface 721 of a side wall of the box 72 of the battery pack 7 (see fig. 1) to be mutually fastened with the first fastening structure 513 (see fig. 7) of the connector 5. The overall structure of second fastening structure 126 and its functional relationship with first fastening structure 513 in the second embodiment are the same as those in the first embodiment, and will not be repeated here. In addition, in the second embodiment, the side cover body 62 of the upper cover 6 covers at least the mounting bar 42 connected to the rear end 511b of the connector 5, and also protects the mounting bar 42 and the connection portion of the mounting bar 42 and the connector 5.

Referring to fig. 14 to 16, a third embodiment of the battery connection module according to the present invention is different from the first embodiment in that: the mounting bar 42 has a bendable portion 422, the bendable portion 422 extends from the lower end of the connecting portion 421, and the connector mounting portion 423 is formed by a first mounting section 423a at the end of the bendable portion 422, a second mounting section 423b juxtaposed to the first mounting section 423a, and a connecting section 423c connected between the first and second mounting

sections

423a, 423b in a bent manner (the connector mounting portion 423 may be in an expanded state before assembly as shown in fig. 27). The tail portions 521 of the two rows of terminals 52 are respectively disposed on the first and second mounting

sections

423a, 423b, and in the third embodiment, the tail portions 521 of the terminals 52 are assembled with the insulating housing 51 after the insulating body 54 is formed by insert molding. The bendable portion 422 is operable to turn once in the direction toward the first edge 111 and bend at an angle of 45 degrees to form a bend C so that the mating end 511a of the connector 5 is located at the first position in the direction toward the first edge 111 (as shown in fig. 15); or alternatively, the bendable portion 422 can be operated to turn once in the direction of the second edge 112 side and bend at an angle of 45 degrees to form a bend C so that the mating end 511a of the connector 5 is located at the second position in the direction of the second edge 112 side (as shown in fig. 16). In the third embodiment, the insulative housing 51 of the connector 5 may be assembled with the terminal 52 after determining whether the connector 5 is to be disposed in the first position or the second position, such that the first fastening structure 513 (see fig. 7) of the connector 5 is disposed downward.

Referring to fig. 17 to 19, a difference between the fourth embodiment and the third embodiment of the battery connection module of the present invention is: the connector mounting portion 423 of the mounting bar 42 integrally extends from the lower end of the bendable portion 422, and the connector 5 is directly soldered (shown as through-hole soldering, or surface soldering) to the connector mounting portion 423 by the tail portion 521 of the terminal 52 for connecting a conductive trace. The mating end 511a of the connector 5 is capable of mating with a mating connector 8, and the mating connector 8 may be, for example, a cable connector.

Referring to fig. 20 to 22, a fifth embodiment of the battery connection module according to the present invention is different from the third embodiment in that: the bendable portion 422 extends laterally from a side of the connecting portion 421 corresponding to the direction of the first edge 111, and the bendable portion 422 can be operated to turn twice toward the direction of the second edge 112 and then toward the direction of the first edge 111 to form two bends C so as to position the connector 5 at the first position (as shown in fig. 21); or alternatively, the bendable portion 422 can be operated to turn toward the second edge 112 side to form one bend C at a time to place the connector 5 in the second position (as shown in fig. 22).

Referring to fig. 23 to 25, a difference between the sixth embodiment and the fifth embodiment of the battery connection module according to the present invention is: the bendable portion 422 is layered at its end to form two connector mounting portions 423 arranged side by side with each other. The bendable portion 422 is operable to turn twice in a direction away from the edge 113 and then toward the first edge 111 to form two bends C so as to position the connector 5 at the first position (as shown in fig. 24); or alternatively, the bendable portion 422 can be operated to bend twice in the direction away from the edge 113 and then toward the second edge 112 to form two bends C so as to position the connector 5 in the second position (as shown in fig. 25).

Referring to fig. 26 to 29, a difference between the seventh embodiment and the fifth embodiment of the battery connection module according to the present invention is: the bendable portion 422 extends laterally from the side of the connecting portion 421 corresponding to the second edge 112, the bendable portion 422 can be operated to turn toward the first edge 111 side to form a bend C at a time to make the connector 5 located at the first position (as shown in fig. 29); or alternatively, the bendable portion 422 is not bent to allow the connector 5 to be located in the second position (as shown in fig. 28). Specifically, in the seventh embodiment, the connecting portion 421 has a base portion 421a and an extending portion 421b extending from the lower end of the base portion 421a and leaning against the first edge 111 side, and the bendable portion 422 extends laterally from the side of the extending portion 421b corresponding to the second edge 112 direction and is separated from the base portion 421a by a gap. In the seventh embodiment, the connector mounting portion 423 of the mounting bar 42 is also formed by the first and second mounting

sections

423a and 423b and the connecting section 423c, and the expanded state is shown in fig. 27, and after the terminal 52 is mounted, the connecting section 423c is bent to align the first and second mounting

sections

423a and 423 b. Furthermore, as shown in fig. 29, in the seventh embodiment, the bendable portion 422 can be operated to turn toward the first edge 111 side once to locate the connector 5 at the first position by the connecting portion 421 relative to the outer side of the carrier tray 1.

Referring to fig. 30 to 32, the difference between the eighth embodiment and the seventh embodiment of the battery connection module according to the present invention is: the connector 5 further includes a housing 53 sleeved on the insulating housing 51, and the bendable portion 422 can be operated to turn toward the first edge 111 side once through the connecting portion 421 relative to the inner side of the carrier tray 1 to locate the connector 5 at the first position (as shown in fig. 32). In the eighth embodiment, the structure of the connector mounting portion 423 of the mounting bar 42 and the terminals 52 is the same as that of the seventh embodiment, but fig. 30 to 32 are not shown but are shown only schematically.

Referring to fig. 33 and 34, a ninth embodiment of the battery connection module according to the present invention is different from the first embodiment in that: the connecting portion 421 of the mounting bar 42 has a notch 421c, and the two bendable portions 422 of the mounting bar 42 respectively bend from two sides of the connecting portion 421 corresponding to the first and

second edges

111, 112 toward the inner side of the connecting portion 421 relative to the carrier tray 1, extend toward each other, then bend toward the outer side of the connecting portion 421 relative to the carrier tray 1 and penetrate through the notch 421c, and are separated from each other at the end of the combined area to form two connector mounting portions 423. The region where the two bendable portions 422 merge can be operatively turned toward the first edge 111 side to form one bend C at a time to place the connector 5 in the first position (as shown in fig. 33); alternatively, the region where the two bendable portions 422 merge can be operated to turn toward the second edge 112 side to form a bend C extending toward the second edge 112 side at a time to locate the connector 5 in the second position (as shown in fig. 34). And the two connector mounting portions 423 are mounted to the connector 5 side by side with each other.

Referring to fig. 35 to 38, a tenth embodiment of the battery connection module according to the present invention is different from the first embodiment in that: the mounting bar 42 has two bendable portions 422, the two bendable portions 422 extend from the same side of the connecting portion 421 corresponding to the first edge 111 at intervals, the connecting portion 421 forms a bend so that the two bendable portions 422 are arranged side by side, the ends of the two bendable portions 422 form a connector mounting portion 423 for disposing the terminal 52, and similarly, the terminal 52 and the insulating housing 51 are combined to form the connector 5. The two bendable portions 422 are operable to form at least two bends C (as shown in fig. 36) to position the connector 5 in the first position; the two bendable portions 422 are operable to form at least one bend C (as shown in fig. 37) to position the connector 5 in the second position.

In addition, referring to fig. 39 and 40, the carrier tray 1 has a plurality of mounting slots 13 respectively accommodating the plurality of bus bars 2, and each mounting slot 13 is defined by a bottom wall 131 and a side wall 132. The bottom wall 131 is provided with a plurality of hollow portions 131a corresponding to the batteries 71 (see fig. 1), the side wall 132 is provided with an alignment key 14 protruding from the mounting groove 13, and each of the bus bars 2 has an alignment notch 21 matching with the alignment key 14 in the corresponding mounting groove 13, so that the bus bar 2 can be positioned at a correct position when being mounted to prevent reverse installation. Each groove sidewall 132 has a first sidewall 132a and a second sidewall 132b opposite to each other, the alignment key 14 is disposed on the first sidewall 132a, the first sidewall 132a is further provided with at least one hook 15, and the second sidewall 132b is provided with a plurality of lower stoppers 16 at a first height and a plurality of upper stoppers 17 at a second height. The bottom wall 131 of the groove is provided with a plurality of supporting blocks 18 having the same height as the plurality of lower stoppers 16, the plurality of lower stoppers 16 and the plurality of supporting blocks 18 support the corresponding bus bar 2, and the plurality of upper stoppers 17 and the at least one hook 15 limit the corresponding bus bar 2. One side of the bus bar 2 is located between the upper stoppers 17 and the lower stoppers 16 and a height difference between the second height and the first height is greater than a thickness of the corresponding bus bar 2, whereby the bus bar 2 can float between the upper stoppers 17 and the lower stoppers 16 to facilitate welding with electrodes of the batteries 71. That is, the plurality of bus bars 2 are first installed on the carrier tray 1, when the bus bars 2 are assembled, the alignment notches 21 of the bus bars 2 are first confirmed to correspond to the alignment keys 14, one side of the bus bar 2 adjacent to the second side wall 132b is then obliquely inserted between the upper stoppers 17 and the lower stoppers 16, and one side of the bus bar 2 adjacent to the first side wall 132a is then pressed downward to pass through the hook of the hook 15, so that the bus bar 2 is retained in the installation groove 13. When the module for connecting the battery 71 and the battery pack 7 (see fig. 1) are assembled, the bus bar 2 can float up and down in the mounting groove 13, so that the relative positions of the bus bar 2 and the electrode of the battery 71 can be easily adjusted, and the bus bar 2 and the electrode of the battery 71 can be easily welded together. The above-mentioned mounting structure of the carrier tray 1 and the bus bar 2 is also applicable to other embodiments of the present invention.

Referring to fig. 41 to 44, an eleventh embodiment of the battery connection module according to the present invention is different from the first embodiment in that: the mounting bar 42 has two bendable portions 422, 422 ', the connecting portion 421 is cut into two parts along the extending direction, and the two bendable portions 422, 422' extend from the ends of the two parts of the connecting portion 421 respectively, so as to define the two bendable portions 422, 422 ', wherein the one closer to the first edge 111 is the first bendable portion 422, and the one closer to the second edge 112 is the second bendable portion 422'. The ends of the two bendable portions 422 and 422' form a connector mounting portion 423 for mounting the terminal 52, and similarly, the terminal 52 is combined with the insulating housing 51 to form the connector 5. The first bendable portion 422 is operable to form at least one bend C and the second bendable portion 422' is operable to form at least one bend C (see fig. 42) to locate the connector 5 in the first position, in this embodiment the first bendable portion 422 is specifically formed with three bends to shorten the length; the first bendable portion 422 is operable to form at least one bend C and the second bendable portion 422' is operable to form at least one bend C (see fig. 43) to locate the connector 5 in the second position.

In summary, the flexible circuit member 4 has the bendable portion 422 capable of being bent by operation so that the installer can flexibly select the first position or the second position of the connector 5 facing the opposite direction to meet the requirement of use, thereby saving the cost of individually manufacturing the mold for making the connector 5 at different positions and the cost of product inventory. Furthermore, the connector 5 can be fastened to one end of the carrier tray 1 by the first fastening structure 513 and the second fastening structure 126, so that the entire battery connection module has a compact structure and better integration, the mating connector can be easily mated with the connector 5, and the connector 5 can be prevented from being pulled and damaged when being inserted or pulled. Furthermore, the side cover 62 of the upper cover 6 at least covers the mounting bar 42 and the connection between the mounting bar 42 and the connector 5, so as to protect the mounting bar 42 and the connection between the mounting bar and the connector 5 from being damaged.

However, the above description is only an example of the present invention, and the scope of the present invention should not be limited thereby, and all the simple equivalent changes and modifications made according to the claims and the contents of the patent specification should be included in the scope of the present invention.

Claims

1. A battery connection module adapted to connect to a battery pack, the battery connection module comprising:

the battery pack comprises a battery pack, a bearing plate and a battery pack, wherein the battery pack is suitable for being arranged on the battery pack and is provided with a first edge and a second edge which are positioned on two opposite sides and two end edges which are respectively connected with two ends of the first edge and the second edge;

the plurality of confluence pieces are arranged on the bearing plate and are suitable for being electrically connected with the battery pack; and

a circuit unit including a flexible circuit member and a connector, the flexible circuit member being mechanically and electrically connected to each of the bus bars and having a main body and a mounting bar extending from the main body, the mounting bar having a connecting portion extending from the main body corresponding to an end edge of the carrier tray and at least one bendable portion extending from the connecting portion, and a distal end of the at least one bendable portion constituting a connector mounting portion, the connector being provided in the connector mounting portion and having a mating end adapted to mate with a mating connector, wherein the bendable portion is operable to position the connector at a position where the mating end faces in different directions,

wherein the bendable portion is operable to position the connector at a first position where the mating end faces the first edge side; and the bendable part can be operated to enable the connector to be positioned at a second position of the butt joint end towards the direction of the second edge side,

the mounting bar is provided with two bendable parts, the two bendable parts respectively extend corresponding to two side edges in the direction of the first edge and the second edge, the two bendable parts can be operated to enable the bendable parts close to the first edge to form at least two bends, and the bendable parts close to the second edge form at least one bend, so that the connector is located at the first position; the two bendable portions are operable to form at least one bend in the bendable portion proximate the first edge and at least two bends in the bendable portion proximate the second edge to position the connector in the second position.

2. A battery connection module adapted to connect to a battery pack, the battery connection module comprising:

the connecting part is provided with a notch, the mounting bar is provided with two bendable parts, and the two bendable parts respectively bend from two side edges of the connecting part corresponding to the first edge direction and the second edge direction respectively to the inner side direction of the connecting part relative to the bearing disc, then extend oppositely, bend and penetrate out of the notch towards the outer side direction of the connecting part relative to the bearing disc; the area where the two bendable portions merge is operable to form at least one bend to locate the connector in the first position; the area where the two bendable portions merge is operable to form at least one bend to position the connector in the second position.

3. The battery connection module according to claim 2, wherein the two bendable parts are re-separated at the ends of the combined regions to form two connector mounting parts.

4. A battery connection module adapted to connect to a battery pack, the battery connection module comprising:

the mounting bar is provided with two bendable parts, the two bendable parts extend from the same side of the connecting part corresponding to the first edge direction at intervals, and the connecting part forms a bend to enable the two bendable parts to be arranged side by side in a face-to-face mode; the two bendable portions being operable to form at least two bends to position the connector in the first position; the two bendable portions are operable to form at least one bend to position the connector in the second position.

5. A battery connection module adapted to connect to a battery pack, the battery connection module comprising:

the mounting bar is provided with two bendable parts, the connecting part is cut into two parts along the extending direction, the two bendable parts respectively extend from the tail ends of the two parts of the connecting part, and the two bendable parts are defined, wherein one of the two bendable parts which is closer to the first edge is a first bendable part, and the other one which is closer to the second edge is a second bendable part; the first bendable portion is operable to form at least one bend and the second bendable portion is operable to form at least one bend to position the connector in the first position; the first bendable portion is operable to form at least one bend and the second bendable portion is operable to form at least one bend to position the connector in the second position.

6. A battery connection module adapted to connect to a battery pack, the battery connection module comprising:

wherein the bearing plate is also provided with a seat body for accommodating the connector and the mounting bar,

wherein the base has a first lateral opening facing the first edge side for the connector to be located at the first position and a second lateral opening facing the second edge side for the connector to be located at the second position,

wherein, the connector comprises an insulating shell, the insulating shell of the connector is provided with a first buckling structure, the seat body is provided with a second buckling structure mutually buckled and fixed with the first buckling structure,

wherein, the insulating shell also has a bottom surface, the first buckling structure is formed on the bottom surface, the seat body also has a connecting wall extending downwards from the end edge of the bearing plate, a limit wall opposite to the connecting wall at intervals and a bottom wall connected between the connecting wall and the lower edge of the limit wall, the second buckling structure is formed on the bottom wall,

wherein the second fastening structure is formed by two spaced convex rails, each of the two convex rails has a rib portion extending parallel to the end edge of the carrier tray, an upper stop portion extending from the rib portion toward the direction opposite to the other convex rail and spaced from the bottom wall, and a locking block extending from the rib portion toward the other convex rail, one of the clamping blocks of the two convex rails is closer to the first edge for clamping the connector at the first position, and the other one is closer to the second edge for the connector to be clamped when the connector is located at the second position, the first buckling structure is formed by two mutually parallel and spaced slide rails and a hook part which is arranged between the two slide rails and is matched and clamped on one clamping block, the opposite sides of the two slide rails are respectively provided with a limit groove with one closed end so as to respectively match and contain the upper blocking parts of the two convex rails.

7. The battery connection module of claim 6, further comprising a top cover having a main cover covering the tray and a side cover connected to the main cover and covering the base.

8. The battery connecting module according to claim 7, wherein the side cover has at least one hook, and the position-limiting wall of the base forms at least one fastening hole for the at least one hook to fasten.

9. A battery connection module adapted to connect to a battery pack, the battery connection module comprising:

wherein, the connector comprises an insulating shell, the insulating shell of the connector is provided with a bottom surface, the bottom surface is provided with a first buckling structure to be mutually buckled and fixed with a second buckling structure formed on the top surface of one side wall of a box body of the battery pack,

the second fastening structure is formed by two spaced convex rails, each convex rail is provided with a rib part extending parallel to the end edge of the bearing disc, an upper blocking part extending from the rib part towards the direction opposite to the other convex rail and spaced from the top surface of the side wall, and a clamping block extending from the rib part towards the other convex rail, one of the clamping blocks of the two convex rails is closer to the first edge so as to clamp the connector at the first position, the other clamping block is closer to the second edge so as to clamp the connector at the second position, the first fastening structure is formed by two spaced parallel sliding rails and a hook part which is arranged between the two sliding rails and is matched and clamped with one clamping block, and the opposite sides of the two sliding rails are respectively provided with a limiting groove with one closed end so as to be matched and accommodated in the upper blocking parts of the two convex rails.

10. The battery connection module of claim 9, further comprising an upper cover having a main cover body covering the tray and a side cover body connected to the main cover body, the side cover body at least covering the mounting bar connected to the rear end of the connector.

11. A battery connection module adapted to connect to a battery pack, the battery connection module comprising:

wherein the bearing plate is provided with a plurality of mounting grooves for respectively accommodating the plurality of confluence pieces, each mounting groove is defined by a groove bottom wall and a groove side wall, the groove side wall is provided with an alignment key which protrudes out of the mounting groove, each confluence piece is provided with an alignment notch which is matched with the alignment key in the corresponding mounting groove,

each groove side wall is provided with a first side wall portion and a second side wall portion which are opposite, the alignment key is arranged on the first side wall portion, the first side wall portion is further provided with at least one clamping hook, the second side wall portion is provided with a plurality of lower stop blocks located at a first height and a plurality of upper stop blocks located at a second height, one side of the confluence piece is located between the upper stop blocks and the lower stop blocks, the height difference between the second height and the first height is larger than the thickness of the corresponding confluence piece, the groove bottom wall is provided with a plurality of supporting blocks with the same height as the lower stop blocks, the lower stop blocks and the supporting blocks support the corresponding confluence piece together, and the upper stop blocks and the at least one clamping hook limit the corresponding confluence piece together.