TWM591261U - Battery device - Google Patents

Abstract

A battery device includes a battery pack and a power connecting rod. The battery pack includes a battery pack and a battery connection module. The battery pack has a plurality of batteries. The battery connection module has a plurality of bus bars that are mechanically and electrically connected to the batteries of the battery pack. The power connecting rod is connected to the bus bar of the battery pack, and the power connecting rod integrally has at least two non-flat sections respectively extending to two ends, and at least one flat section located between the two non-flat sections Segment, the width of the flat segment is greater than the thickness of the flat segment, and the maximum width of the non-flat segments is smaller than the width of the flat segment and greater than the thickness of the flat segment, and the flat segment is defined by the battery device as a narrow space.

Description

Battery device

The present invention relates to a battery device, in particular to a battery device with a power connection rod.

For general power connection, most of them use stranded cables or solid conductor wires. For high-current devices (such as car batteries), it is more necessary to use a power connection bar with a large cross-sectional area and a solid conductor. The conventional power connection strips are, for example, flat conductors as shown in Chinese invention patent announcement number CN102782900B (corresponding to US invention patent announcement number US8,998,646), or as shown in US invention patent announcement number US7,591,696B1 with a circular cross section Shaped conductor. Although a conductor with a circular cross-section is easy to bend in various directions, it cannot pass through in areas where the wiring space is narrow. The problem with flat conductors is that they cannot be bent toward a surface extending along their thickness.

Therefore, an object of the present invention is to provide a battery device having a power connecting rod that can improve at least one of the problems in the prior art.

Therefore, in some embodiments, the new battery device includes a battery pack and a power connecting rod. The battery pack includes a battery pack and a battery connection module. The battery pack has a plurality of batteries. The battery connection module has a plurality of bus bars that are mechanically and electrically connected to the batteries of the battery pack. The power connecting rod is connected to the bus bar of the battery pack, and the power connecting rod integrally has at least two non-flat sections respectively extending to two ends, and at least one flat section located between the two non-flat sections Segment, the width of the flat segment is greater than the thickness of the flat segment, and the maximum width of the non-flat segments is smaller than the width of the flat segment and greater than the thickness of the flat segment, and the flat segment is defined by the battery device as a narrow space.

In some embodiments, the cross sections of the non-flat sections are circular, and the cross sections of the flat sections are rectangular.

In some embodiments, the power connecting rod further has a plurality of bent portions.

In some embodiments, the power connecting rod further integrally has two flat connecting portions at two ends.

In some embodiments, the outer surface of the power connecting rod is provided with an insulating layer.

In some embodiments, the material of the power connecting rod includes copper metal, and the power connecting rod is solid.

In some embodiments, the battery connection module has an insulating carrier plate and a flexible circuit board. The bus bars are floatingly disposed on the carrier plate. The flexible circuit board is electrically connected to the bus bars.

The power connecting rod of the novel battery device has a non-flat section with a circular cross section and a flat section with a rectangular cross section. The flat section can pass through the narrow space for wiring in the battery device, so that the components of the battery device are arranged. Cloth can be more compact. And through the combination of non-flat section and flat section, the power connecting rod has the characteristics of being able to bend in multiple directions at the same time.

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

1 to 2, an embodiment of the new battery device 100 of the present invention, for example, is suitable for vehicle power supply, the battery device 100 includes two battery packs 1, a frame 2, an upper cover 3, and a power connecting rod 4. It should be noted that the number of the battery pack 1 and the power connecting rod 4 can be configured according to requirements, and should not be limited by this embodiment.

The battery packs 1 are arranged side by side in a front-rear direction D1. The battery pack 1 includes a battery pack (not shown), and a battery connection module 11 disposed above the battery pack in an up-down direction D2. The battery pack has a plurality of batteries (not shown), the battery connection module 11 has a supporting plate 111 insulated and extending in a left-right direction D3, is floatably disposed on the supporting plate 111 and is mechanically and electrically A plurality of busbars 112 connected to the battery of the battery pack, and a plurality of flexible circuit boards 113 extending on the supporting plate 111 in the left-right direction D3 and mechanically and electrically connecting the busbars 112, the One of the equal bus bars 112 located at the corner of the carrier 111 is a connecting bus bar 112a. The frame 2 is disposed around a carrying tray 111 of the battery packs 1 on a battery housing case (not shown) for accommodating the battery packs of the battery packs 1, and the upper cover 3 is disposed on the battery housing case Together with the supporting plates 111 of the battery packs 1, the upper cover 3 and the frame 2 jointly define a line passing area 5 extending in the front-rear direction D1 and used to accommodate the power connecting rod 4.

With reference to FIGS. 3 to 5, the power connecting rod 4 is connected between the connection busbars 112 a of the battery connection modules 11 and extends in the front-back direction D1 and is provided in the wire-crossing area 5, thereby making the The battery packs of the battery pack 1 are connected to each other. The power connecting rod 4 may be made of a conductive metal such as copper metal or copper-based metal, and the power connecting rod 4 is solid. The power connecting rod 4 integrally has two non-flat sections 41 extending to the front and rear ends, a flat section 42 between the two non-flat sections 41, and two flat sections at the ends of the front and rear ends It should be noted that the number of the connecting portions 43 may be more than three, and the number of the flat sections 42 between the non-flat sections 41 may be more than two. The number may be according to design requirements. The adjustment is not limited to this embodiment. The width W of the flat section 42 is greater than the thickness T of the flat section 42, and the maximum width of the non-flat sections 41 is smaller than the width of the flat section 42 and greater than the thickness T of the flat section 42, and in this embodiment, The cross section of the non-flat sections 41 is circular, so the maximum width of the non-flat sections 41 is its outer diameter D, but in some variations, the cross section of the non-flat sections 41 may also be elliptical. The flat section 42 has a rectangular cross section. In detail, the flat section 42 has two first surfaces 421 extending along its width W, and extending along its thickness T and connected to the two sections. Two second surfaces 422 of a surface 421. The wire passing area 5 has a narrow space 51 located under the lower recess 31 of the upper cover 3, the flat section 42 passes through the narrow space 51 of the wire passing area 5, and can pass through the narrow space 51 of the battery device 100 The flat section 42 makes the component arrangement of the battery device 100 more compact. In detail, the power connecting rod 4

The flat connecting portion 43 at the end is provided with a connector 44 including an upper shell 441 and a lower shell 442 which are assembled with each other along the up-down direction D2, and accommodated in the upper shell 441 and the lower shell 442内一连接连接443。 A connection module 443. The connection module 443 has a conductive block 443a and a locking member 443d. The conductive block 443a has a block 443b in the shape of a rectangular parallelepiped and overlaps with the flat connection portion 43 by welding or the like, and from the block A conductive ring 443c protruding from the body 443b toward the lower shell 442, the locking member 443d penetrates the block 443b and the conductive ring 443c in the up-down direction D2 and is provided on the conductive block 443a and is formed on the surface of the metal rod 443g Threaded (not shown), the locking member 443d has an insulating head 443e towards the upper end of the upper case 441, and an insulating tail 443f towards the lower end of the lower case 442, the upper case 441 is formed with the insulating head An opening 441a exposed by the portion 443e, the lower shell 442 is formed with a plug portion protruding upwardly for the conductive ring 443c and the insulating tail portion 443f to extend through and connect with the connection busbar 112a ( (Not shown in the figure) the mating pair 442a, when the mating part 442a of the connector 44 is mated with the mating part of the connecting busbar 112a, the conductive ring 443c mechanically and electrically contacts the mating Part, and the locking member 443d is fixed to the insertion part corresponding to the screw lock. However, the above connector 44 is only an example. The connector 44 of the power connecting rod 4 can be changed in design according to requirements. Even in some embodiments, the power connecting rod 4 may not have the connector 44 and should not be implemented in this embodiment. Examples are restrictions.

In addition, in this embodiment, the outer surface of the non-flat section 41 and the flat section 42 of the power connecting rod 4 is provided with an insulating layer 45. The insulating layer 45 may be, for example, an insulating sleeve (such as a heat-shrinkable insulating sleeve), or an insulating coating formed by coating or spraying, etc., thereby making the non-flat section of the power connecting rod 4 41 is insulated from the surface of the flat section 42 to prevent the occurrence of a short circuit.

6 and 7, in addition, since the non-flat section 41 and the flat section 42 of the power connecting rod 4 can be bent, in some variant embodiments, the power connecting rod 4 may further have a A plurality of bent portions 46 of the segment 41 and the flat segment 42 are arranged to fit the space in the battery device 100 (see FIG. 1). In detail, the non-flat sections 41 with a circular cross section can be bent in various directions, and the flat sections 42 with a rectangular cross section can be bent in the direction of the first surface 421 extending along the width D Folding, the non-flat section 41 enables the power connecting rod 4 to pass through the narrow space 51 (see FIG. 1) while having the characteristic of being able to bend in multiple directions. In addition, it can be understood that the length configuration of the non-flat section 41 and the flat section 42 can also be adjusted according to requirements, and is not limited to the above embodiment.

In summary, the power connecting rod 4 of the new battery device 100 has a non-flat section 41 with a circular cross section and a flat section 42 with a rectangular cross section. The flat section 42 can pass through the battery device 100 for The narrow space 51 for wiring makes the arrangement of components of the battery device 100 more compact. Moreover, the combination of the non-flat section 41 and the flat section 42 enables the power connecting rod 4 to have the characteristic of being able to bend in multiple directions at the same time.

However, the above are only examples of the new model. When the scope of the new model cannot be limited by this, any simple equivalent changes and modifications made according to the patent application scope and patent specification content of the new model are still regarded as Within the scope of this new patent.

100‧‧‧Battery device 1‧‧‧ battery pack 11‧‧‧Battery connection module 111‧‧‧Loading plate 112‧‧‧Bus 112a‧‧‧Connection bus 113‧‧‧ flexible circuit board 2‧‧‧Frame 3‧‧‧Cover 31‧‧‧recess 4‧‧‧Power connection rod 41‧‧‧non-flat section 42‧‧‧Flat section 421‧‧‧First surface 422‧‧‧Second surface 43‧‧‧Flat connection 44‧‧‧Connector 441‧‧‧Upper shell 441a‧‧‧opening 442‧‧‧Lower shell 442a‧‧‧ Docking Department 443‧‧‧Connect module 443a‧‧‧Conducting block 443b‧‧‧block 443c‧‧‧conductive ring 443d‧‧‧lock firmware 443e‧‧‧Insulated head 443f‧‧‧Insulated tail 443g 45‧‧‧Insulation 46‧‧‧Bending Department 5‧‧‧ Crossing area 51‧‧‧small space D1‧‧‧Fore and aft direction D2‧‧‧Up and down direction D3‧‧‧direction W‧‧‧Width T‧‧‧thickness D‧‧‧Outer diameter

Other features and functions of the present invention will be clearly presented in the embodiments with reference to the drawings, in which: FIG. 1 is a partial perspective view of an embodiment of the novel battery device, and the battery pack of the embodiment is omitted in the figure; 2 is a partial perspective view of the embodiment, the battery pack, the frame and the upper cover of the embodiment are omitted in the figure; 3 is a perspective view of the power connecting rod of this embodiment; 4 is a partial exploded view of the power connecting rod of this embodiment; 5 is an exploded view of the power connecting rod of the embodiment, the connector of the power connecting rod is omitted in the figure; 6 is a perspective view of a modified embodiment of the power connecting rod of this embodiment; and FIG. 7 is a perspective view of yet another modified embodiment of the power connecting rod of this embodiment.

100‧‧‧Battery device

1‧‧‧ battery pack

11‧‧‧Battery connection module

2‧‧‧Frame

3‧‧‧Cover

31‧‧‧recess

4‧‧‧Power connection rod

41‧‧‧non-flat section

42‧‧‧Flat section

44‧‧‧Connector

5‧‧‧ Crossing area

51‧‧‧small space

D1‧‧‧Fore and aft direction

D2‧‧‧Up and down direction

D3‧‧‧direction

Claims (7)

A battery device, including: The battery pack includes a battery pack and a battery connection module, the battery pack has a plurality of batteries, the battery connection module has a plurality of bus bars that are mechanically and electrically connected to the batteries of the battery pack; and A power connecting rod connected to the bus bar of the battery pack, the power connecting rod integrally has at least two non-flat sections that extend to both ends, and at least one flat section between the two non-flat sections , The width of the flat section is greater than the thickness of the flat section, and the maximum width of the non-flat sections is less than the width of the flat section and greater than the thickness of the flat section, and the flat section passes through a narrow space defined by the battery device . The battery device according to claim 1, wherein the non-flat sections have a circular cross section, and the flat sections have a rectangular cross section. The battery device according to claim 2, wherein the power connection rod further has a plurality of bent portions. The battery device according to claim 2 or 3, wherein the power connection rod integrally further has two flat connection portions respectively located at both ends. The battery device according to claim 1, wherein the outer surface of the power connection rod is provided with an insulating layer. The battery device according to claim 1, wherein the material of the power connection rod includes copper metal, and the power connection rod is solid. The battery device according to claim 1, wherein the battery connection module has an insulative carrier plate and a flexible circuit board, the bus bars are floatably arranged on the carrier plate, and the flexible circuit board is electrically connected to These busbars.

Images