CN109473614B

CN109473614B - Battery connection module

Info

Publication number: CN109473614B
Application number: CN201710806573.7A
Authority: CN
Inventors: 曾尚秀
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: 2017-09-08
Publication date: 2022-04-05
Anticipated expiration: 2037-09-08
Also published as: TWI641174B; TW201914087A; CN109473614A

Abstract

A battery connection module comprises a bearing plate, a plurality of confluence pieces, a circuit unit and a covering piece. The bearing plate comprises a plate body and a connector accommodating seat connected with the plate body. The confluence piece is arranged on the tray body of the bearing tray. The circuit unit comprises a flexible circuit piece and a connector. The flexible circuit part is provided with a main body part arranged on the disc body and connected with the bus piece and a connector mounting bar integrally extended from the main body part, the connector is arranged at the tail end of the connector mounting bar, and the connector mounting bar are accommodated in the connector accommodating seat. The covering piece comprises a covering body and a protective cover body, wherein the covering body is covered on the tray body, and the protective cover body is pivotally connected to the covering body and can be openably covered on the connector accommodating seat.

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 a battery pack in a modularized manner.

Background

A conventional Battery connection module connected between a Battery pack and a Battery Management System (BMS) has a circuit board and a connector connected to the circuit board and adapted to be connected to an external Battery Management System, however, such a general Battery connection module does not have a proper fixing and protecting design for the connector. As a prior art chinese patent publication No. CN105144463A (corresponding U.S. publication No. US2016/0043446), a signal connector or connector is disclosed that is fixed on a printed circuit board for plugging with a cable plug for connection to an external control or monitoring device, and a cover element covers the carrier element. The covering element disclosed in the prior art covers the connector, only exposes the socket of the connector, but the connector is only covered, and there is no sufficient fixing structure for the connector, which easily causes the damage of the connector when the connector is repeatedly inserted and pulled, and even further pulls the circuit board, and the structure of the circuit board or the connecting circuit board is damaged, so that the durability of the battery connecting module is affected.

Disclosure of Invention

It is therefore an object of the present invention to provide a battery connecting module with enhanced fixing and protection for connectors.

Therefore, in some embodiments, the battery connection module of the present invention is adapted to be electrically connected to a battery pack, and the battery connection module includes a carrier tray, a plurality of bus bars, a circuit unit, and a cover. The bearing plate is suitable for being arranged on the battery pack and comprises a plate body and a connector accommodating seat integrally connected with one end edge of the plate body. The bus piece is arranged on the tray body of the bearing tray so as to be suitable for being electrically connected with the battery pack. The circuit unit comprises a flexible circuit piece and a connector. The flexible circuit piece is provided with a main body portion arranged on the disc body and mechanically and electrically connected to the bus piece and a connector mounting bar integrally extending from one end edge of the main body portion, the connector is arranged at the tail end of the connector mounting bar, and the connector mounting bar are accommodated in the connector accommodating seat. The covering piece covers the bearing plate and comprises a covering body and a protective cover body, wherein the covering body is covered on the plate body, the protective cover body is pivotally connected to one end edge of the covering body, and the protective cover body is openably covered on the connector accommodating seat.

In some embodiments, the covering member further includes a flexible pivotal connecting member integrally connected between the covering body and the protective cover, the pivotal connecting member is substantially in the form of an elongated strip, so that the protective cover can pivot relative to the covering body.

In some embodiments, the connector accommodating seat has a first limiting wall extending downward from the end edge of the tray body, a bottom wall extending from the end edge of the first limiting wall in a direction away from the tray body, and a second limiting wall extending upward from the end edge of the bottom wall and spaced from and opposite to the first limiting wall, and the protective cover has a protective cover top wall spaced from and opposite to the bottom wall and located above the bottom wall, and a protective cover side wall extending downward from the end edge of the protective cover top wall and engaged with and detachably engaged with the second limiting wall of the connector accommodating seat.

In some embodiments, the second position-limiting wall is formed with at least one fastening hole, and the protective cover side wall has at least one hook strip having a hook protrusion engaged with the fastening hole, so that the protective cover side wall of the protective cover body can be detachably engaged with the second position-limiting wall of the connector receptacle.

In some embodiments, the second limiting wall has two fastening holes spaced apart from each other formed on an outer side surface thereof, the side wall of the protective cover has two downwardly extending hook strips, each hook strip has a hook protrusion engaged with the corresponding fastening hole, the protective cover further has a concave portion formed on the outer side surface and located between the hook strips, and the second limiting wall has a convex portion corresponding to the concave portion.

In some embodiments, the connector further has a positioning structure, and the connector-receiving base has a connector-fixing structure capable of being limitedly connected to the positioning structure to fix the connector to the connector-receiving base.

In some embodiments, the connector fixing structure extends upward from the bottom wall, and the connector has an insulating housing with the positioning structure at the bottom.

In some embodiments, the connector fixing structure has two fixing strips extending upward from the bottom wall and arranged in parallel at intervals, and two limiting protruding strips extending in opposite directions from the fixing strips and spaced from the bottom wall, and the positioning structure has a base wall disposed at the top of the fixing strips, two positioning walls extending downward from the base wall and located at two sides of the fixing strips and opposite to the fixing strips, and two positioning sliding grooves formed on the inner side surfaces of the positioning walls and matched with the limiting protruding strips, so that the connector can be limited on the connector accommodating seat.

In some embodiments, the connector fixing structure further has a first fixing hook extending from one of the fixing strips to the other of the fixing strips, the positioning structure is also provided with a positioning strip which extends downwards from the base wall to be accommodated between the fixing strips and a positioning clamping convex block which is formed by extending from the positioning strip and can be clamped with the first fixing clamping hook in a matching way, each positioning sliding chute is provided with a stop part which is positioned at the front end to form a closed end and an opening end which is positioned at the rear end and used for the limiting convex strip to enter, the connector is operatively disposed in the connector-receiving receptacle in a first position, and when the connector is disposed in the first position, the positioning and clamping convex block is clamped with the first fixing clamping hook in a matching way, and each stopping part is propped against the corresponding limiting convex strip, so that the connector is limited at the first position.

In some embodiments, the fixing strips are arranged in parallel with the first limiting wall and the second limiting wall at intervals, and the first limiting wall, the bottom wall and the second limiting wall jointly define a first lateral opening and a second lateral opening on opposite sides, the insulating housing has a butt end located at a front end and adapted to be butt-jointed with a butt-joint connector, when the connector is located at the first position, the butt end is in the same direction as the first lateral opening, the connector is further operatively located at a second position in the connector accommodating seat, where the butt end is in the same direction as the second lateral opening, the connector fixing structure further has a second fixing hook capable of being engaged with the positioning engaging protrusion, the first fixing hook and the second fixing hook extend from the fixing strips in opposite directions, respectively, and when the connector is located at the first position, the positioning and clamping bump is clamped with the first fixing hook in a matching manner, the stop part of each positioning sliding groove is used for abutting against the corresponding limiting convex strip towards the end part of the first lateral opening, so that the connector is limited at the first position, when the connector is arranged at the second position, the positioning and clamping bump is clamped with the second fixing hook in a matching manner, and the stop part of each positioning sliding groove is used for abutting against the corresponding limiting convex strip towards the end part of the second lateral opening, so that the connector is limited at the second position.

In some embodiments, the protective cover further has a first abutting flange and a second abutting flange extending downward from the top wall of the protective cover adjacent to the two side edges of the first lateral opening and the second lateral opening, respectively, and the insulating housing further has an abutting portion at the top, wherein when the connector is located at the first position, the abutting portion of the connector abuts against the outer side of the first abutting flange, and when the connector is located at the second position, the abutting portion of the connector abuts against the outer side of the second abutting flange.

In some embodiments, the pivotal connector further has a plurality of slits spaced apart from each other, and the slits are vertically through-penetrating.

In some embodiments, the connector mounting strip of the flexible circuit member has a base portion integrally extending from the main body portion toward the connector receiving seat and at least one lateral extension portion extending from the base portion and connected to the connector.

The invention has at least the following effects: the connector holding seat and the protective cover body which can be openably covered on the connector holding seat are used for holding and protecting the connector and the connector mounting strip of the flexible circuit piece, and the positioning structure of the connector and the connector fixing structure of the connector holding seat are used for fixing the connector, so that the connector is prevented from being displaced due to force during plugging and unplugging, the connector mounting strip of the flexible circuit piece is pulled together with the connector mounting strip, and even the main body part of the flexible circuit piece is pulled to be damaged, and the durability of the battery connecting module is improved.

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 illustrating a battery connection module according to a first embodiment of the present invention and a battery pack;

fig. 2 is an exploded perspective view of the first embodiment of the battery connection module of the present invention;

fig. 3 is a partially exploded schematic view illustrating a configuration of connection of a connector of the first embodiment with a connector-receiving seat;

FIG. 4 is a perspective view illustrating the first embodiment when a protective cover is not covered;

fig. 5 is a perspective view illustrating the first embodiment of the protective cover when it is covered;

fig. 6 is a perspective view illustrating the connector-receiving seat of the first embodiment;

FIG. 7 is a perspective view illustrating the connector of the first embodiment;

FIG. 8 is a perspective view different from FIG. 7, with components other than the connector omitted; and

FIG. 9 is a front view illustrating the connector of the first embodiment being connected to the connector-receiving receptacle in a first position;

FIG. 10 is a cross-sectional view taken along section line X-X of FIG. 9, further illustrating the configuration of the connection of the connector of the first embodiment with the connector-receiving receptacle in the first position; and

fig. 11 is a schematic perspective view of a second embodiment of the battery connection module of the present invention, showing only a cover of the second embodiment.

Wherein the reference numerals are as follows:

10 Battery connection module

1 bearing plate

11 dish body

111 fixed lug

12 connector accommodating seat

121 first limit wall

121a stop protrusion strip

122 bottom wall

123 second limit wall

123a buckle hole

123b convex part

124 first lateral opening

125 second lateral opening

126 connector fixing structure

126a fixing strip

126b limit convex strip

126c first fixing hook

126d second fixing hook

2 bus bar

3 Circuit Unit

31 flexible circuit member

311 body part

311a conductive sheet

312 connector mounting bar

312a base

312b lateral extension

32 connector

321 insulating shell

321a butt joint end

321b connecting end

322 positioning structure

322a base wall

322b locating wall

322c positioning chute

322d positioning strip

322e positioning and fastening projection

322f stop part

322g reinforcing rib

323 leaning against part

4 cover element

41 cover body

411 fixing hole

42 protective cover body

421 protective cover top wall

422 protective cover side wall

422a hook strip

422b hook lug

422c recess

423 first abutment flange

424 second abutment flange

43 pivoting connection

431 split

5 Battery pack

51 cell

511 electrode

Detailed Description

Referring to fig. 1, a first embodiment of a battery connection module according to the present invention is adapted to be electrically connected to a battery pack 5, and the battery connection module 10 includes a carrier tray 1, a plurality of bus bars 2, a circuit unit 3 and a cover 4.

Referring to fig. 2 and fig. 3, the carrier tray 1 is suitable for being disposed on the battery pack 5, the carrier tray 1 includes a tray body 11 and a connector accommodating seat 12 integrally connected to an end edge of the tray body 11, and the bus bars 2 are disposed on the tray body 11 of the carrier tray 1 and are suitable for being mechanically and electrically connected to electrodes 511 of the batteries 51 of the battery pack 5, for example, the bus bars 2 are welded to the electrodes 511 between the batteries 51 respectively by welding, and the batteries 51 form a series power circuit from head to tail through the staggered arrangement of the bus bars 2. In the first embodiment, the connector accommodating seat 12 has a first limiting wall 121 integrally extending downward from the end edge of the tray 11, a bottom wall 122 extending from the end edge of the first limiting wall 121 toward the direction away from the tray 11, and a second limiting wall 123 extending upward from the end edge of the bottom wall 122 and spaced from and opposite to the first limiting wall 121, and the first limiting wall 121, the bottom wall 122, and the second limiting wall 123 together define a first lateral opening 124 and a second lateral opening 125 on opposite sides.

The circuit unit 3 includes a flexible circuit member 31 and a connector 32. The flexible circuit member 31 has a main body portion 311 disposed on the tray body 11 and mechanically and electrically connected to the bus bar 2, and a connector mounting bar 312 integrally extending from an end edge of the main body portion 311. In an embodiment, the main portion 311 of the flexible circuit member 31 may be connected to the bus bars 2 by soldering through the conductive sheets 311a, so that the bus bars 2 are electrically connected to conductive traces (not shown) on the flexible circuit member 31, the main portion 311 may also be provided with a plurality of temperature sensors or other electronic components, and the conductive traces may extend to the connector mounting bar 312. The connector 32 is disposed at the end of the connector mounting bar 312, and the connector 32 and the connector mounting bar 312 are accommodated in the connector accommodating seat 12. In the first embodiment, the connector mounting bar 312 of the flexible circuit member 31 has a base portion 312a integrally extending from the main body portion 311 toward the connector accommodating seat 12 and two lateral extension portions 312b extending from the end side edges of the base portion 312a and connected to the connector 32, but in other implementation manners, the number of the lateral extension portions 312b may be one, or even more than three, and is not limited thereto. In addition, the connector 32 includes an insulating housing 321 and a plurality of terminals (not shown) for connecting the conductive traces at the end of the connector mounting bar 312, the insulating housing 321 has a mating end 321a adapted to mate with a mating connector (not shown) of a battery management module (not shown) and a connecting end 321b opposite to the mating end 321a and connected to the connector mounting bar 312, and the connector 32 is operatively disposed in the connector receiving seat 12 at a first position where the mating end 321a is aligned with the first lateral opening 124 and at a second position where the mating end 321a is aligned with the second lateral opening 125, and in the first embodiment, when the connector 32 is located at the first position, the mating end 321a of the connector 32 protrudes out of the first lateral opening 124, and when the connector 32 is located at the second position, the mating end 321a of the connector 32 protrudes out of the second lateral opening 125. The insulating housing 321 has a positioning structure 322 located at the bottom, and the connector accommodating base 12 further has a connector fixing structure 126 extending upward from the bottom wall 122 and capable of being connected with the positioning structure 322 in a limited manner so as to fix the connector 32 to the connector accommodating base 12. It should be noted that the positioning structure 322 can also be located at other positions of the insulating housing 321, such as the left side or the right side of the insulating housing 321, and the connector fixing structure 126 is disposed at a position corresponding to the positioning structure 322, which is not limited to the first embodiment.

Referring to fig. 2 to 5, the covering member 4 covers the carrying tray 1, and includes a covering body 41 covering the tray body 11 and a protective cover 42 pivotally connected to an end edge of the covering body 41 and openably covering the connector accommodating seat 12. In the first embodiment, a plurality of fixing protrusions 111 are disposed at two side edges of the tray 11, and a plurality of fixing holes 411 for matching and fastening the fixing protrusions 111 are disposed at two side edges of the cover body 41, so that the cover body 41 can be detachably covered on the tray 11. In addition, the covering member 4 further includes an elastic pivotal connection 43 integrally connected between the covering body 41 and the protecting cover 42, the pivotal connection 43 is substantially in a shape of a strip, so that the protecting cover 42 can pivot relative to the covering body 41, the pivotal connection 43 further includes a plurality of slits 431 arranged at intervals, the slits 431 are vertically penetrated, this structure makes the flexibility of the pivotal connection 43 better, so that the protecting cover 42 can pivot relative to the covering body 41 more easily. However, in other embodiments, the cover body 41 and the protection cover 42 can be connected via other pivotable structures, such as a hinge. In addition, the protection cover 42 has a protection cover top wall 421 spaced apart from and opposite to the bottom wall 122 and located above the bottom wall 122, and a protection cover side wall 422 extending downward from a distal edge of the protection cover top wall 421 and engaging with the second limiting wall 123 of the connector accommodating seat 12 and detachably engaging with the second limiting wall 123, so that the protection cover 42 can be detachably covered on the connector accommodating seat 12.

In addition, in the first embodiment, the second limiting wall 123 has two fastening holes 123a arranged at intervals on the outer side surface, the protective cover sidewall 422 has two downward extending fastening strips 422a, the fastening strips 422a are respectively matched with the fastening holes 123a, each fastening strip 422a has a fastening lug 422b protruding from the fastening hole 123a in a manner of being matched with the corresponding fastening hole 123a, the protective cover 42 further has a concave portion 422c formed on the outer side surface of the protective cover sidewall 422 and located between the fastening strips 422a, the second limiting wall 123 has a convex portion 123b extending upward corresponding to the concave portion 422c, the convex portion 123b is pressed against the concave portion 422c from the outer side in a matching manner, so as to limit the relative position of the protective cover sidewall 422 with respect to the second limiting wall 123, and the fastening lug 422b of each fastening strip 422a can be fastened to the corresponding fastening hole 123a, therefore, the protection cover 42 can be stably covered on the connector accommodating seat 12 when not being operated, and it should be emphasized that the protection cover 42 and the connector accommodating seat 12 can be covered and uncovered through other structures besides the first embodiment, which is not limited to this.

Referring to fig. 6 to 10, the structure for fixing the connector 32 according to the first embodiment is further described below, the connector fixing structure 126 has two fixing bars 126a extending upward from the bottom wall 122 and arranged in parallel with the first limiting wall 121 and the second limiting wall 123 at intervals, and two limiting convex strips 126b extending from the fixing bars 126a in opposite directions and spaced from the bottom wall 122, the positioning structure 322 has a base wall 322a disposed on the top of the fixing strip 126a, two positioning walls 322b respectively extending downward from the base wall 322a and located on two sides of the fixing strip 126a and respectively opposite to the fixing strip 126a, and two positioning chutes 322c respectively formed on the inner side surfaces of the positioning walls 322b and respectively engaged with the limiting protrusions 126b, the limiting protruding strips 126b respectively protrude and are accommodated in the positioning sliding grooves 322c (see fig. 10). The connector fixing structure 126 further has a first fixing hook 126c and a second fixing hook 126d extending from the fixing strips 126a in opposite directions, the positioning structure 322 further has a positioning strip 322d extending downward from the base wall 322a and located between the positioning walls 322b to be received between the two fixing strips 126a, and a positioning engaging protrusion 322e extending from the positioning strip 322d and capable of being engaged with one of the first fixing hook 126c and the second fixing hook 126d in two opposite directions selectively, each positioning sliding slot 322c has a stopping portion 322f located at a front end to form a closed end and an open end located at a rear end for the insertion of the limiting protrusion 126b, when the connector 32 is disposed at the first position, the positioning engaging protrusion 322e is engaged with the first fixing hook 126c, and the stop portion 322f of each positioning sliding slot 322c is used for the corresponding limit protruding strip 126b to abut against the end portion of the first lateral opening 124, so that the connector 32 is limited at the first position, when the connector 32 is disposed at the second position, the positioning engaging protrusion 322e is engaged with the second fixing hook 126d, and the stop portion 322f of each positioning sliding slot 322c is used for the corresponding limit protruding strip 126b to abut against the end portion of the second lateral opening 125, so that the connector 32 is limited at the second position.

In addition, referring to fig. 3, the protection cover 42 further has a first abutting flange 423 and a second abutting flange 424 extending downward from two side edges of the protection cover top wall 421 adjacent to the first lateral opening 124 and the second lateral opening 125, respectively, the insulation shell 321 further has an abutting portion 323 located at the top and adjacent to the connection end 321b, when the connector 32 is located at the first position, the abutting portion 323 of the connector 32 abuts at the outer side of the first abutting flange 423, and when the connector 32 is located at the second position, the abutting portion 323 of the connector 32 abuts at the outer side of the second abutting flange 424. Referring to fig. 6 and 8, in the first embodiment, the positioning structure 322 further has three reinforcing ribs 322g connected to the base wall 322a and the connecting end 321b of the insulating housing 321, the first limiting wall 121 further has a stopping protrusion 121a extending toward the second limiting wall 123, and the bottom side of the stopping protrusion 121a can also be used for the top surface of one of the reinforcing ribs 322g adjacent to the stopping protrusion 121a to abut against, so as to enhance the limiting capability of the connector 32, but in other embodiments, the structures of the stopping protrusion 121a and the reinforcing ribs 322g can also be eliminated, which should not be limited thereto.

Referring to fig. 11, a second embodiment of the battery connection module of the present invention is substantially the same as the first embodiment, except that in the second embodiment, the elastic pivotal connection body 43 integrally connected between the covering body 41 and the protective cover 42 does not have a slit penetrating vertically, but the pivotal connection body 43 in the second embodiment enables the protective cover 42 to pivot relative to the covering body 41 as in the first embodiment.

To sum up, the battery connection module 10 of the present invention receives and protects the connector 32 and the connector mounting bar 312 of the flexible circuit member 31 by the connector receiving seat 12 and the protective cover 42 openably covering the connector receiving seat 12, and fixes the connector 32 by the positioning structure 322 of the connector 32 and the connector fixing structure 126 of the connector receiving seat 12, so as to prevent the connector 32 from being displaced due to the force during plugging and unplugging, and prevent the connector mounting bar 312 of the flexible circuit member 31 from being pulled and even pulled to the main body 311 of the flexible circuit member 31 to be damaged, thereby improving the durability of the battery connection module 10, and thus the object of the present invention can be achieved.

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 be electrically connected to a battery pack, the battery connection module comprising:

the battery pack comprises a battery pack, a bearing plate and a connector accommodating seat, wherein the bearing plate is suitable for being arranged on the battery pack and comprises a plate body and the connector accommodating seat which is integrally connected with one end edge of the plate body;

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

a circuit unit, including a flexible circuit member and a connector, the flexible circuit member having a main body portion disposed on the tray body and mechanically and electrically connected to the bus member and a connector mounting bar integrally extended from an end edge of the main body portion, the connector being disposed at a terminal of the connector mounting bar, the connector and the connector mounting bar being accommodated in the connector accommodating seat; and

a covering piece covering the bearing plate and including a covering body covering the plate body and a protective cover body pivotally connected to one end edge of the covering body and openably covering the connector accommodating seat,

the connector accommodating seat is provided with a first limiting wall extending downwards from the end edge of the tray body integrally, a bottom wall extending from the tail edge of the first limiting wall towards the direction far away from the tray body, and a second limiting wall extending upwards from the tail edge of the bottom wall and opposite to the first limiting wall at intervals, and the protective cover body is provided with a protective cover top wall opposite to the bottom wall at intervals and positioned above the bottom wall and a protective cover side wall extending downwards from the tail edge of the protective cover top wall and matched with the second limiting wall of the connector accommodating seat and detachably clamped with the second limiting wall.

2. The battery connection module according to claim 1, wherein the cover member further comprises a flexible pivot connection integrally connected between the cover body and the protective cover body, the pivot connection being in the form of a strip so that the protective cover body can pivot relative to the cover body.

3. The battery connection module according to claim 1, wherein the second position-limiting wall is formed with at least one fastening hole, the protective cover side wall has at least one hook strip, and the hook strip has a hook protrusion engaged with the fastening hole, so that the protective cover side wall of the protective cover body is detachably engaged with the second position-limiting wall of the connector receptacle.

4. The battery connecting module according to claim 1, wherein the second limiting wall has two fastening holes formed on an outer side surface thereof and spaced apart from each other, the side wall of the protective cover has two downwardly extending fastening strips, each fastening strip has a fastening projection engaged with the corresponding fastening hole, the protective cover further has a recess formed on the outer side surface thereof and located between the fastening strips, and the second limiting wall has a protrusion corresponding to the recess.

5. The battery connecting module according to claim 1, wherein the connector further has a positioning structure, and the connector receiving seat has a connector fixing structure that is capable of being limitedly coupled to the positioning structure to fix the connector to the connector receiving seat.

6. The battery connection module according to claim 5, wherein the connector securing structure extends upwardly from the bottom wall, and the connector has an insulative housing having the positioning structure at a bottom thereof.

7. The battery connecting module according to claim 6, wherein the connector fixing structure has two fixing bars extending upward from the bottom wall and arranged in parallel at intervals and two limiting ribs extending in opposite directions from the fixing bars and spaced from the bottom wall, the positioning structure has a base wall disposed on the top of the fixing bars, two positioning walls extending downward from the base wall and located at both sides of the fixing bars and opposite to the fixing bars, and two positioning sliding grooves formed on the inner side surfaces of the positioning walls and engaged with the limiting ribs, respectively, so that the connector can be limited in the connector accommodating seat.

8. The battery connection module according to claim 7, wherein the connector securing structure further has a first securing hook extending from one of the securing bars toward the other of the securing bars, the positioning structure is also provided with a positioning strip which extends downwards from the base wall to be accommodated between the fixing strips and a positioning clamping convex block which is formed by extending from the positioning strip and can be clamped with the first fixing clamping hook in a matching way, each positioning sliding chute is provided with a stop part which is positioned at the front end to form a closed end and an opening end which is positioned at the rear end and used for the limiting convex strip to enter, the connector is operatively disposed in the connector-receiving receptacle in a first position, and when the connector is disposed in the first position, the positioning and clamping convex block is clamped with the first fixing clamping hook in a matching way, and each stopping part is propped against the corresponding limiting convex strip, so that the connector is limited at the first position.

9. The battery connecting module according to claim 8, wherein the fixing strip is parallel to and spaced apart from the first limiting wall and the second limiting wall, and the first limiting wall, the bottom wall and the second limiting wall together define a first lateral opening and a second lateral opening on opposite sides, the insulating housing has a mating end located at a front end and adapted to mate with a mating connector, the mating end is in the same direction as the first lateral opening when the connector is located at the first position, the connector is further operatively located at a second position in the connector receiving seat such that the mating end is in the same direction as the second lateral opening, the connector fixing structure further has a second fixing hook capable of cooperatively engaging with the positioning engaging protrusion, the first fixing hook and the second fixing hook extend from the fixing strip toward each other, when the connector is arranged at the first position, the positioning clamping lug is clamped with the first fixing hook in a matching way, the stop part of each positioning sliding groove is used for abutting against the corresponding limiting convex strip towards the end part of the first lateral opening, so that the connector is limited at the first position, when the connector is arranged at the second position, the positioning clamping lug is clamped with the second fixing hook in a matching way, and the stop part of each positioning sliding groove is used for abutting against the corresponding limiting convex strip towards the end part of the second lateral opening, so that the connector is limited at the second position.

10. The battery connection module of claim 9, wherein the protective cover further has a first abutting flange and a second abutting flange extending downward from the top wall of the protective cover adjacent to the two side edges of the first lateral opening and the second lateral opening, respectively, and the insulating housing further has an abutting portion at the top, wherein when the connector is located at the first position, the abutting portion of the connector abuts against the outer side of the first abutting flange, and when the connector is located at the second position, the abutting portion of the connector abuts against the outer side of the second abutting flange.

11. The battery connection module according to claim 2, wherein the pivotal connection body further has a plurality of slits arranged to be spaced apart from each other, the slits penetrating in an up-and-down direction.

12. The battery connection module of claim 1, wherein the connector mounting bar of the flexible circuit member has a base portion integrally extending from the main body portion toward the connector receiving seat and at least one lateral extension portion extending from the base portion and connected to the connector.