CN209947928U

CN209947928U - Spliced wiring board, battery module and battery pack

Info

Publication number: CN209947928U
Application number: CN201921049830.8U
Authority: CN
Inventors: 朱彤; 张俊; 孙永刚; 宋雷雷
Original assignee: Dongsoft Ruichi Automotive Technology (shenyang) Co Ltd
Current assignee: Dongsoft Ruichi Automotive Technology (shenyang) Co Ltd; Neusoft Reach Automotive Technology Shenyang Co Ltd
Priority date: 2019-07-05
Filing date: 2019-07-05
Publication date: 2020-01-14
Anticipated expiration: 2029-07-05

Abstract

The utility model discloses a concatenation formula wiring board, battery module and battery package, wherein, this concatenation formula wiring board includes a plurality of concatenation units, each concatenation unit can connect gradually along the vertical, in order to link firmly as an organic whole; the two transverse ends of each splicing unit are respectively provided with a wiring hole part, each wiring hole part is provided with N wiring holes, the N wiring holes of the same wiring hole part can correspond to the electrodes of the N electric cores on the same side with the wiring hole part, and N is an integer larger than 0. The utility model provides a line board is walked to concatenation formula includes a plurality of concatenation units, more can adapt to the installation that has different length battery module, and then can reduce the design and the manufacturing cost of walking the line board.

Description

Spliced wiring board, battery module and battery pack

Technical Field

The utility model relates to a battery package technical field, concretely relates to line board, battery module and battery package are walked to concatenation formula.

Background

Walk the line board and be an important part in the battery module for installation aluminium row electricity connecting piece such as electricity to each electric core in the electricity connection battery module. Present line board of walking is mostly the integral type structure, and it can only be applicable to the battery module of a specific length, in case when the length of battery module changes, just need design new line board of walking, leads to the design and the manufacturing cost who walks the line board to increase by a wide margin.

Therefore, how to provide a solution to overcome the above-mentioned drawbacks remains a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a line board, battery module and battery package are walked to concatenation formula, wherein, this concatenation formula is walked the line board and is included a plurality of concatenation units, more can adapt to the installation that has different length battery modules, and then can reduce the design and the manufacturing cost of walking the line board.

In order to solve the technical problem, the utility model provides a splicing type wiring board, which comprises a plurality of splicing units, wherein the splicing units can be sequentially connected along the longitudinal direction so as to be fixedly connected into a whole; the two transverse ends of each splicing unit are respectively provided with a wiring hole part, each wiring hole part is provided with N wiring holes, the N wiring holes of the same wiring hole part can correspond to the electrodes of the N electric cores on the same side with the wiring hole part, and N is an integer larger than 0.

Adopt this kind of structure, cut apart into a plurality of concatenation units with the wiring board of integral type among the prior art, each concatenation unit can be adapted to the electricity of N electric core and connect, so, can conveniently select the concatenation unit of corresponding quantity according to the length of battery module, the quantity of electric core and splice, can be adapted to the installation of different length battery modules better to reduce the design and the manufacturing cost of wiring board.

Optionally, the routing hole portion includes two longitudinal beams spaced apart in the transverse direction, and a plurality of cross beams are spaced between the two longitudinal beams to divide the routing hole between the two longitudinal beams.

Optionally, the two routing hole portions of the same splicing unit are connected through a bridge portion extending in the longitudinal direction, the bridge portion includes an upper bridge plate, connecting plates extending downwards are arranged at two transverse ends of the upper bridge plate, the lower end of each connecting plate is connected with the routing hole portions on the same side through wing plates, and the connecting plates, the wing plates and the routing hole portions can be enclosed to form routing grooves.

Optionally, the bridge part is provided with a first hook for mounting the electric control board.

Optionally, a positioning block is arranged at one longitudinal end of the bridge part, and a positioning channel is formed at the other longitudinal end of the bridge part, and the positioning block is matched with the transverse section of the positioning channel; in an assembled state, the positioning block can be inserted into the positioning channel to position two adjacent splicing units in the transverse direction and the vertical direction.

Optionally, a U-shaped plate is arranged below the upper bridge plate, and the U-shaped plate and the upper bridge plate enclose to form the positioning channel.

Optionally, the horizontal both sides of locating piece all are equipped with the second trip, under the assembled state, two the dop of second trip with the longitudinal end of U-shaped board is along vertically offsetting, in order to connect two adjacent concatenation units on vertical.

Optionally, the number of the battery cells adapted to each of the splicing units is different, and N is between 1 and 3.

The utility model also provides a battery module, including walk line board, module frame and install in a plurality of electric cores of module frame, it is foretell to walk the line board the concatenation formula walks the line board.

The utility model also provides a battery pack, including the casing with install in a plurality of battery module of casing, at least one the battery module is foretell battery module.

Drawings

Fig. 1 is a schematic structural diagram of a specific embodiment of a splicing unit of a spliced wiring board provided by the present invention;

fig. 2 is a schematic structural diagram of another specific embodiment of the splicing unit of the splicing type wiring board provided by the present invention;

FIG. 3 is a top view of the two splice units of FIG. 2 connected together;

FIG. 4 is a bottom view of the two splice units of FIG. 1 connected together;

fig. 5 is a schematic structural diagram of an embodiment of a battery module according to the present invention;

fig. 6 is an exploded view of fig. 5.

The reference numerals in fig. 1-6 are illustrated as follows:

1 splicing unit, 11 routing hole parts, 111 routing holes, 112 longitudinal beams, 113 cross beams, 12 bridge parts, 121 upper bridge plates, 122 connecting plates, 123 wing plates, 124 routing grooves, 125 first clamping hooks, 13 positioning blocks, 14 positioning channels, 15U-shaped plates, 16 second clamping hooks and 17 third clamping hooks;

2 electric core, 21 electrode;

and 3, a module frame.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.

The term "plurality" as used herein is generally more than two, and when "plurality" is used to indicate the number of some elements, it does not indicate the interrelationship of the elements in number.

The terms "first", "second", and the like, as used herein are used for convenience only to describe two or more structures or components that are the same or similar in structure, and do not denote any particular limitation on the order.

The "longitudinal direction" herein refers to a length direction of the battery module, the "transverse direction" is a width direction of the battery module, and the "vertical direction" is a height direction of the battery module.

Please refer to fig. 1-4, fig. 1 is a schematic structural diagram of a specific embodiment of a splicing unit of a splicing type wiring board, fig. 2 is a schematic structural diagram of another specific embodiment of a splicing unit of a splicing type wiring board, fig. 3 is a top view of fig. 2 when two splicing units are connected together, and fig. 4 is a bottom view of fig. 1 when two splicing units are connected together.

As shown in fig. 1-4, the utility model provides a splicing type wiring board, which comprises a plurality of splicing units 1, wherein each splicing unit 1 can be sequentially connected along the longitudinal direction to be fixedly connected into a whole; the two transverse ends of each splicing unit 1 are respectively provided with a wiring hole portion 11, each wiring hole portion 11 is provided with N wiring holes 111, and the N wiring holes 111 of the same wiring hole portion 11 can correspond to the electrodes 21 of the N battery cells 2 on the same side as the wiring hole portion 11, where N is an integer greater than 0.

Adopt this kind of structure, cut apart into a plurality of concatenation units 1 with the wiring board of integral type among the prior art, each concatenation unit 1 can be adapted to the electricity of N electric core 2 and connect, so, can conveniently select the concatenation unit 1 of corresponding quantity according to the length of battery module, the quantity of electric core 2 to splice, can be adapted to the installation of different length battery modules better to reduce the design and the manufacturing cost of wiring board.

Here, the embodiment of the present invention does not limit the specific value of N, and in practical applications, those skilled in the art can set the value according to actual needs; it should be noted that if N >1, i.e. one routing hole portion 11 is to be provided with a plurality of routing holes 111, in this case, a plurality of routing holes 111 may be provided at intervals along the longitudinal direction.

As a preferred scheme, N may be any one of 1, 2, and 3, so as to reduce the number of the battery cells 2 corresponding to each splicing unit 1 as much as possible, and it can be understood that, if one splicing unit 1 corresponds to only one battery cell 2, no matter how many battery cells 2 a battery module includes, the required wiring board may be formed by combining the splicing units 1 of the same number.

For convenience of description, the splicing unit 1 corresponding to one cell 2 may be referred to as a single-segment splicing unit, the splicing unit 1 corresponding to two cells 2 may be referred to as a two-segment splicing unit, and the splicing unit 1 corresponding to three cells 2 may be referred to as a three-segment splicing unit.

For an integral wiring board, the number of the battery cells 2 corresponding to each splicing unit 1 may be different; for example, assuming that the total number of the battery cells 2 is 16, in order to shorten the splicing time, a three-segment splicing unit may be mainly adopted, and then a single-segment splicing unit is collocated for combination, or all two-segment splicing units may be adopted, which is a possible option in practical application.

In a specific embodiment, as shown in fig. 1, the routing hole portion 11 may include two longitudinal beams 112 spaced apart in the transverse direction, a plurality of cross beams 113 may be spaced apart between the two longitudinal beams 112 to separate the foregoing routing holes 111 between the two longitudinal beams 112, and the number of the cross beams 113 may be related to the number of the routing holes 111.

The cross beam 113 is mainly used for electrical insulation and isolation to avoid short-circuit fault caused by electrical contact between adjacent electrodes of two adjacent electric cores 2 which do not need to be electrically connected, and the size of the wire routing hole 111 can be matched with that of the electrode (as shown in fig. 5), so that the electrode can be inserted into the corresponding wire routing hole 111 to be connected with an electrical connector in the form of an aluminum row or the like.

Two routing hole parts 11 of the same splicing unit 1 can be connected through a bridge part 12 extending along the longitudinal direction, the bridge part 12 can comprise an upper bridge plate 121, the two transverse ends of the upper bridge plate 121 can be provided with connecting plates 122 extending downwards, the lower end of each connecting plate 122 can be connected with the routing hole parts 11 on the same side through wing plates 123, and therefore the connecting plates 122, the wing plates 123 and the routing hole parts 11 can be enclosed to form a groove body, and the groove body is a routing groove 124.

The bridge 12, which may be in particular the upper bridge plate 121 and/or the connecting plate 122, may be provided with a first catch 125 for the snap-fitting of the electric control plate.

One longitudinal end of the bridge part 12 may be provided with a positioning block 13, the other longitudinal end of the bridge part 12 may be formed with a positioning channel 14, and the transverse cross sections of the positioning block 13 and the positioning channel 14 may be matched, i.e., the transverse dimension and the vertical dimension may be substantially the same. In the assembled state, the positioning block 13 can be inserted into the positioning channel 14 and, by means of a dimensional fit, can position two adjacent splicing units 1 both laterally and vertically.

One or more positioning blocks 13 may be provided, and may be specifically arranged according to actual needs. For the situation that there are a plurality of positioning blocks 13, the positioning channels 14 may be a plurality of corresponding positioning blocks 13 to form a one-to-one inserting fit with the positioning blocks 13, or the positioning channel 14 may still be one, and the positioning blocks 13 may be simultaneously inserted into the positioning channel 14, which also has the technical effect of positioning two adjacent splicing units 1 in the horizontal and vertical directions.

A U-shaped plate 15 may be disposed below the upper bridge plate 121, and the U-shaped plate 15 and the upper bridge plate 121 may enclose the positioning channel 14. In addition to this, a lower plate (not shown) may be provided, which may be connected to the lower ends of the two connecting plates 122, and in this case, the lower plate, the two connecting plates and the upper bridge plate 121 may also enclose the positioning channel 14.

The horizontal both sides of locating piece 13 all can be equipped with second trip 16, as shown in fig. 4, under assembled state, the dop of two second trip 16 can be followed vertically with the longitudinal end of U-shaped plate 15 and offset to form the joint cooperation in vertical, and then can connect two adjacent splice unit 1 in vertical, and can make two splice unit 1 support tightly each other in vertical, thereby can ensure the reliable connection of two splice unit 1.

By adopting the above scheme, the U-shaped plate 15 for forming the positioning channel 14 is actually integrated and dual-purpose, and can be matched with the positioning block 13 to position the two adjacent splicing units 1 in the horizontal and vertical directions, and can be matched with the second clamping hook 16 to fixedly connect the two adjacent splicing units 1 in the vertical direction, so that the connection structure of the two adjacent splicing units 1 can be more compact.

In addition, in the above scheme, the two chucks of the two second hooks 16 are both oriented to the horizontal middle position, that is, the two chucks are arranged oppositely), in practical application, the chucks of the two second hooks 16 may also be oriented to the horizontal outer side, that is, the two chucks may be arranged oppositely, at this time, the two second hooks 16 may also be inserted into the positioning channel 14 to cooperate with the positioning block 13 to position the two adjacent splicing units 1 horizontally, and in fact, in this case, the positioning block 13 may not be arranged, and the two adjacent splicing units 1 are positioned horizontally, longitudinally and vertically only by the cooperation of the two second hooks 16 and the positioning channel 14.

It should be noted that, in the above solutions, the connection structure between two adjacent splicing units 1 is described by taking clamping as an example, and actually, in addition to the clamping solution, the two adjacent splicing units 1 may also be connected by using a screw thread, welding, or the like, as long as the connection reliability can be ensured.

Referring to fig. 1, the splicing unit 1 may further include a third hook 17, the third hook 17 may be used to connect to a cover plate (not shown) of the battery module, and then the assembly of the cover plate and the routing plate may be connected to the module frame 3 to form a complete battery module.

Referring to fig. 5-6, fig. 5 is a schematic structural diagram of a battery module according to an embodiment of the present invention, and fig. 6 is an exploded view of fig. 5.

As shown in fig. 5 and 6, the utility model also provides a battery module, including walking line board, module frame 3 and installing in a plurality of electric cores 2 of module frame 3, wherein, this walk the line board and walk the line board for the concatenation formula that aforementioned each embodiment relates.

Since the above-mentioned spliced wiring board has the technical effects, the battery module having the spliced wiring board also has similar technical effects, and therefore, the details are not described herein.

The utility model also provides a battery pack, including the casing with install in a plurality of battery module of casing, at least one battery module is foretell battery module.

Since the above-mentioned battery module has the above technical effects, the battery pack having the battery module also has similar technical effects, and therefore, the detailed description thereof is omitted here.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The spliced wiring board is characterized by comprising a plurality of splicing units (1), wherein the splicing units (1) can be sequentially connected along the longitudinal direction to be fixedly connected into a whole;

the transverse two ends of each splicing unit (1) are respectively provided with a wiring hole part (11), each wiring hole part (11) is provided with N wiring holes (111), the N wiring holes (111) of the same wiring hole part (11) can correspond to the electrodes (21) of the N battery cores (2) on the same side with the wiring hole part (11), and N is an integer larger than 0.

2. The spliced wiring board according to claim 1, wherein the wiring hole portion (11) comprises two longitudinal beams (112) spaced apart in the transverse direction, and a plurality of cross beams (113) are spaced between the two longitudinal beams (112) to divide the wiring hole (111) between the two longitudinal beams (112).

3. The spliced wiring board according to claim 2, wherein the two wiring hole parts (11) of the same splicing unit (1) are connected through a bridging part (12) extending along the longitudinal direction, the bridging part (12) comprises an upper bridging plate (121), two transverse ends of the upper bridging plate (121) are provided with connecting plates (122) extending downwards, the lower ends of the connecting plates (122) are connected with the wiring hole parts (11) on the same side through wing plates (123), and the connecting plates (122), the wing plates (123) and the wiring hole parts (11) can be enclosed to form a wiring groove (124).

4. The splice-type wiring board of claim 3, characterized in that the bridge (12) is provided with a first catch (125) for mounting an electrical control board.

5. The spliced wiring board according to claim 3, wherein a positioning block (13) is arranged at one longitudinal end of the bridging part (12), a positioning channel (14) is formed at the other longitudinal end of the bridging part (12), and the positioning block (13) is matched with the transverse section of the positioning channel (14);

in the assembled state, the positioning block (13) can be inserted into the positioning channel (14) to position two adjacent splicing units (1) in the transverse direction and the vertical direction.

6. The spliced wiring board according to claim 5, wherein a U-shaped plate (15) is arranged below the upper bridge plate (121), and the U-shaped plate (15) and the upper bridge plate (121) enclose to form the positioning channel (14).

7. The splicing type wiring board according to claim 6, wherein the positioning block (13) is provided with second hooks (16) at both lateral sides, and in an assembled state, the clamping heads of the second hooks (16) are longitudinally abutted against the longitudinal end of the U-shaped plate (15) so as to longitudinally connect two adjacent splicing units (1).

8. The spliced wiring board according to any one of claims 1 to 7, wherein the number of the cells (2) adapted to each splicing unit (1) is different, and N is between 1 and 3.

9. A battery module, comprising a wiring board, a module frame (3) and a plurality of battery cells (2) mounted on the module frame (3), wherein the wiring board is the spliced wiring board of any one of claims 1-8.

10. A battery pack comprising a case and a plurality of battery modules mounted to the case, wherein at least one of the battery modules is the battery module according to claim 9.