CN218101566U - A switching box structure and battery package for battery package - Google Patents

Abstract

The utility model discloses a switching box structure and battery package for battery package, wherein a switching box structure for battery package includes copper bar insulation protection portion and the spacing portion of pencil insulation. At least one part of the copper bar is in limit fit in a first limit space in the copper bar insulation protection part, and a beam structure limit fit structure is arranged on the copper bar insulation protection part; at least one part of the wire harness is in limited fit in a second limit space in the wire harness insulation limit part, and the first limit space is insulated and isolated from the second limit space. The integration level of this switching box structure is higher, and it can be in the battery package the roof beam structure department realize spacing and the protection to copper bar and pencil, can effectively avoid interfering mutually between roof beam structure, pencil and the copper bar and roof beam structure causes the friction damage to pencil and copper bar, consequently the copper bar of being more convenient for and the trend of pencil in the battery package arrange to the security of battery package has been improved.

Description

A switching box structure and battery package for battery package

Technical Field

The utility model relates to a power battery technical field particularly, relates to a switching box structure and battery package for battery package.

Background

Because the installation space in the battery package has been cut apart to the beam structure in the traditional battery package, consequently lead to the longer copper bar of length in the battery package and the trend of pencil in the battery package to arrange and received beam structure's restriction to beam structure still can cause wearing and tearing to copper bar and pencil, easily leads to the battery package to take place the short circuit, causes the security of battery package lower, exists the improvement space.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at providing a switching box structure for battery package, this switching box structure's integrated level is higher, and it can realize spacing and the protection to copper bar and pencil in the beam structure department of battery package, can effectively avoid interfering mutually between beam structure, pencil and the copper bar and beam structure causes the friction damage to pencil and copper bar, consequently the copper bar of being more convenient for and the trend of pencil in the battery package are arranged to the security of battery package has been improved.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

an adapter box structure for a battery pack, comprising: at least one part of the copper bar is in limit fit in a first limit space in the copper bar insulation protection part, and a beam structure limit fit structure is arranged on the copper bar insulation protection part; the copper bar insulation protection device comprises a wiring harness insulation limiting part, at least one part of a wiring harness is in limiting fit in a second limiting space in the wiring harness insulation limiting part, the wiring harness insulation limiting part is arranged on the end part of the copper bar insulation protection part, and the first limiting space is insulated and isolated from the second limiting space.

Furthermore, the beam structure limiting and matching structure is suitable for being clamped and matched with and limited by the beam structure.

Further, the spacing cooperation structure of beam structure includes: a beam structure mating recess adapted to mate with the beam structure such that the first spacing space can span the beam structure.

Further, first spacing space includes: the beam structure comprises a first straight section, a second straight section and a U-shaped section connected between the first straight section and the second straight section, wherein the beam structure matching groove is positioned at the lower part of the inner side of the U-shaped section.

Further, the spacing cooperation structure of beam structure still includes: and the abutting arc-shaped elastic sheet is arranged on the inner wall of the beam structure matching groove.

Further, the spacing cooperation structure of beam structure still includes: and the buffer structure is arranged in the beam structure matching groove.

Further, the copper bar insulation protection part includes: first protective cover and second visor, first protective cover with second visor looks lock joint is connected, with first protective cover with inject between the second visor first spacing space.

Further, the insulating spacing portion of pencil includes: a plurality of first spacing separation blade and the spacing separation blade of a plurality of second, it is a plurality of first spacing separation blade is suitable for with a plurality of the spacing separation blade one-to-one cooperation of second, with first spacing separation blade with inject between the spacing separation blade of second the spacing space of second, it is a plurality of first spacing separation blade forms respectively the upper end of first protective cover, it is a plurality of the spacing separation blade of second forms respectively the upper end of second protective cover.

Further, insulating partition rib has in the first spacing space, first visor with be formed with latticed strengthening rib on at least one in the second visor.

Compared with the prior art, a switching box structure for battery package have following advantage:

a switching box structure for battery package, this switching box structure's integrated level is higher, its beam structure department that can be in the battery package realizes spacing and the protection to copper bar and pencil, can effectively avoid between beam structure, pencil and the copper bar to interfere with each other and beam structure causes the friction damage to pencil and copper bar, consequently the copper bar of being more convenient for and the trend of pencil in the battery package are arranged to the security of battery package has been improved.

Another object of the present invention is to provide a battery pack, including the above-mentioned adapter box structure for battery pack, the safety performance of this battery pack is better.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

fig. 1 is a schematic partial structure diagram of a battery pack according to an embodiment of the present invention;

fig. 2 is a schematic partial structure diagram of a battery pack according to an embodiment of the present invention;

fig. 3 is a schematic partial structure diagram of a battery pack according to an embodiment of the present invention;

fig. 4 is a partial exploded view of a battery pack according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of an adapter box structure according to an embodiment of the present invention;

fig. 6 is a cross-sectional view of an adapter box structure according to an embodiment of the present invention;

fig. 7 is an exploded view of an adapter box structure according to an embodiment of the present invention;

fig. 8 is an exploded view of an adapter box structure according to an embodiment of the present invention.

Description of reference numerals:

100-adapter box structure, 1-copper bar insulation protection part, 11-first limit space, 111-first straight section, 112-second straight section, 113- "U" shaped section, 12-beam structure limit matching structure, 121-beam structure matching groove, 122-stop arc-shaped elastic sheet, 123-buffer structure, 13-first protection cover, 14-second protection cover, 15-clamping jaw, 16-clamping bulge, 17-insulation separation rib, 18-grid reinforcing rib, 2-wire harness insulation limit part, 21-second limit space, 22-first limit baffle, 23-second limit baffle, 200-copper bar, 300-wire harness and 400-beam structure.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

An adapter box structure 100 for a battery pack according to an embodiment of the present invention is described below with reference to fig. 1 to 8.

According to the utility model discloses an adapter box structure 100 for battery package can include: copper bar insulation protection part 1 and wire harness insulation limiting part 2.

As shown in fig. 1 to 4, the battery pack has a beam structure 400, such as a reinforcing cross beam and a reinforcing longitudinal beam, in the battery pack, and the beam structure 400 can provide mounting points for parts inside the battery pack while improving the strength and rigidity of the battery pack, and can also improve the mode shape of the battery pack so as to improve the safety of the battery pack. And the battery pack is also internally provided with a copper bar 200 which collects the output current of each battery module in the battery pack and outputs the total current to the outside of the battery pack.

Because the installation space in the battery package has been cut apart to the beam structure in the traditional battery package, consequently lead to the longer copper bar of length in the battery package and the trend of pencil in the battery package to arrange and received beam structure's restriction to beam structure still can cause wearing and tearing to copper bar and pencil, easily leads to the battery package to take place the short circuit, causes the security of battery package lower.

Therefore, the utility model designs a can locate to realize carrying on the switching box structure 100 spacing and protection to copper bar 200 and pencil 300 at beam structure 400. From this, copper bar 200 and pencil 300 arrange in the trend of beam structure 400 department in the battery package of being more convenient for, make copper bar 200 and pencil 300 needn't dodge beam structure 400 and arrange, with the space in can effectual utilization battery package, thereby make the overall structure of battery package compacter, the energy density of battery package has been improved, and spacing copper bar 200 and pencil 300 that can also be stable simultaneously, and fix on beam structure 400, with the integrated level having improved, the holistic stability of battery package has been improved, and can provide insulation protection between copper bar 200 and pencil 300 and beam structure 400, with avoided beam structure 400 to cause wearing and tearing and the short circuit phenomenon that takes place the overlap joint and cause between beam structure 400 and copper bar 200 to copper bar 200 and pencil 300, and then the security of battery package has been improved.

Wherein, the switching box structure 100 has integrateed copper bar insulation protection portion 1 and the spacing portion 2 of pencil insulation, consequently, not only can improve the integrated level of battery package, make copper bar 200 and pencil 300 can carry on spacingly through same component, with the use of spare part in the battery package having been reduced, the manufacturing cost of battery package has been practiced thrift, but also can be stable carry out insulation with pencil 300 and copper bar 200 and keep apart, so that what make switching box structure 100 can be stable plays insulation protection's effect between copper bar 200 and pencil 300.

Further, copper bar insulation protection portion 1 can be spacing and protection copper bar 200, at least some spacing cooperation of copper bar 200 is in first spacing space 11 in copper bar insulation protection portion 1 promptly, and the copper bar insulation protection portion 1 is last to have the spacing cooperation structure 12 of beam structure, beam structure 400 is suitable for with the spacing cooperation of the spacing cooperation structure 12 of beam structure, so that the spacing installation that switching box structure 100 can be stable is on beam structure 400, thereby make setting that switching box structure 100 can be more stable in the battery package, and then make switching box structure 100 can realize stable guard action. And, copper bar insulation protection portion 1 is isolated between beam structure 400 and copper bar 200, can avoid beam structure 400 wearing and tearing copper bar 200 and the emergence overlap joint short circuit between beam structure 400 and the copper bar 200 to the security of battery package has been improved.

Still further, the spacing portion 2 of pencil insulation can be spacing and protection pencil 300, and the spacing cooperation of at least part of pencil 300 is in the spacing space 21 of second in the spacing portion 2 of pencil insulation promptly, and the spacing portion 2 of pencil insulation sets up on the tip of copper bar insulation protection portion 1 to make the spacing portion 2 of pencil insulation and copper bar insulation protection portion 1 can not the mutual interference influence, that is to say, the spacing portion 2 of pencil insulation sets up together with copper bar insulation protection portion 1, and is preferred, copper bar insulation protection portion 1 and the spacing portion 2 of pencil insulation can be integrated into one piece together. Thus, the use of unnecessary fasteners is reduced, and the degree of integration of the adapter box structure 100 is improved.

And, because the spacing portion 2 of pencil insulation sets up the tip at copper bar insulation protection part 1, and first spacing space 11 is insulated with second spacing space 21 and is kept apart in addition, consequently, pencil 300 can be kept apart by the stable insulation of adapter box structure 100 with copper bar 200, can effectively avoid the mutual interference between pencil 300 and the copper bar 200 to the security of battery package has further been improved.

According to the utility model discloses a switching box structure 100 for battery package, this switching box structure 100's integrated level is higher, it can be in the battery package beam structure 400 department realize spacing and the protection to copper bar 200 and pencil 300, can effectively avoid beam structure 400, mutual interference and beam structure 400 cause the friction damage to pencil 300 and copper bar 200 between pencil 300 and the copper bar 200, consequently, the copper bar 200 of being more convenient for is arranged with the trend of pencil 300 in the battery package, thereby the security of battery package has been improved.

Referring to fig. 5 in combination with fig. 1-3, the beam structure limiting and matching structure 12 is adapted to be clamped and matched with the beam structure 400 for limiting, so that the junction box structure 100 can be limited and fixed on the beam structure 400 in a clamping manner, thereby avoiding the use of unnecessary fasteners, simplifying the installation process, and saving the production cost.

Further, referring to fig. 2 and 5, the beam structure limit fitting structure 12 includes: the beam structure fitting groove 121, the beam structure fitting groove 121 being adapted to fit with the beam structure 400 so that the first stopper space 11 can straddle the beam structure 400. From this, can stride across beam structure 400 through making first spacing space 11, so that the copper bar 200 that sets up in first spacing space 11 also can stride across beam structure 400, thereby make copper bar 200 can stride across beam structure 400 in the battery package, so that copper bar 200 and pencil 300 needn't dodge open beam structure 400 and arrange, with the effectual space that has utilized in the battery package, and then make the overall structure of battery package compacter, with further improvement the energy density of battery package.

Still further, as shown in fig. 3 and 6, the first limiting space 11 includes: a first flat section 111, a second flat section 112 and a "U" shaped section 113 connected between the first flat section 111 and the second flat section 112, and a beam structure matching groove 121 is located at the lower inner side of the "U" shaped section 113. And at least a portion of the copper bar 200 is disposed in a "U" shape. Wherein, the first flat straight section 111 and the second flat straight section 112 are respectively located on both sides of the beam structure matching groove 121, and are suitable for matching with the flat copper bar 200, so as to stably limit the copper bar 200 in the junction box structure 100, and the U-shaped section 113 is matched with the U-shaped part of the copper bar 200, because the U-shaped section 113 is located between the first flat straight section 111 and the second flat straight section 112, and crosses over the beam structure matching groove 121, therefore, the copper bar 200 can cross over the beam structure 400 through the U-shaped section 113, and the junction box structure 100 can be isolated between the copper bar 200 and the beam structure 400, thereby avoiding the abrasion of the copper bar 200 by the beam structure 400, and improving the safety of the battery pack.

With reference to the embodiment shown in fig. 2-8, the beam structure limit fitting structure 12 further includes: the arc-shaped elastic sheet 122 is stopped, and the adapter box structure 100 can be stably clamped on the beam structure 400 by the arc-shaped elastic sheet 122. The abutting arc-shaped elastic sheet 122 is disposed on the inner wall of the beam structure matching groove 121, and the abutting arc-shaped elastic sheet 122 is suitable for being integrally formed with the junction box structure 100. Specifically, two arc-shaped stopping elastic pieces 122 are arranged on the inner wall of the beam structure matching groove 121, and the two arc-shaped stopping elastic pieces 122 are respectively arranged on two side walls of the beam structure matching groove 121. From this, when will switching box structure 100 joint on beam structure 400, two end arc shell fragment 122 end the cooperation of supporting with two lateral walls of beam structure 400 respectively to carry on spacingly to switching box structure 100 in the extending direction of copper bar 200, thereby improved switching box structure 100 set up stability.

Further, the beam structure limit fitting structure 12 further includes: buffer structure 123, buffer structure 123 sets up in beam structure cooperation recess 121 to play effectual cushioning effect. Specifically, buffer structure 123 sets up on the roof of beam structure cooperation recess 121, and buffer structure 123 can provide the cushioning effect between adapter box structure 100 and beam structure 400 to avoid beam structure 400 to cause friction or striking damage to adapter box structure 100, can effectual protection adapter box structure 100 and copper bar 200 and pencil 300, thereby further improvement the security of battery package.

As shown in fig. 4 to 8, the copper bar insulation protection part 1 includes: first protective cover 13 and second protective cover 14, wherein, first protective cover 13 is connected with second protective cover 14 looks lock joint to avoid using unnecessary fastener, can make the installation more convenient, and can inject first spacing space 11 between first protective cover 13 and second protective cover 14, so that at least partly copper bar 200 can spacing the installation between first protective cover 13 and second protective cover 14. From this, in-process in installing the switching box structure 100 with some of copper bar 200, only need install the copper bar 200 on one in first visor 13 or second visor 14 earlier, and with another lock in second visor 14 or the first visor 13 on the first visor 13 or the second visor 14 that the installation is good, can accomplish the installation between switching box structure 100 and the copper bar 200, the installation is simpler, thereby can save man-hour of installation and installation cost.

Further, one of the first protective cover 13 and the second protective cover 14 is provided with a clamping claw 15, and the other one of the first protective cover 13 and the second protective cover 14 is provided with a clamping protrusion 16, wherein the clamping claw 15 is suitable for being matched and clamped with the clamping protrusion 16, so that the first protective cover 13 and the second protective cover 14 are buckled and connected into a whole through the matching clamping of the clamping claw 15 and the clamping protrusion 16, and the structure of the junction box structure 100 is simpler and more convenient to arrange.

Referring to fig. 4 to 8, the wire harness insulation limiting portion 2 includes: the wire harness structure comprises a plurality of first limiting blocking pieces 22 and a plurality of second limiting blocking pieces 23, wherein the plurality of first limiting blocking pieces 22 are suitable for being matched with the plurality of second limiting blocking pieces 23 in a one-to-one correspondence mode, so that a plurality of second limiting spaces 21 are defined between the plurality of first limiting blocking pieces 22 and the plurality of second limiting blocking pieces 23, and therefore at least one part of the wire harness 300 can be limited in the plurality of second limiting spaces 21 respectively.

Further, a plurality of first spacing separation blade 22 form respectively in the upper end of first protective cover 13, a plurality of second spacing separation blade 23 form respectively in the upper end of second protective cover 14, that is to say, first spacing separation blade 22 and first protective cover 13 integrated into one piece, second spacing separation blade 23 and second protective cover 14 integrated into one piece, when first protective cover 13 is connected with second protective cover 14 lock, can accomplish the cooperation installation that corresponds between first spacing separation blade 22 and the spacing separation blade 23 of second in step, not only can make the installation more convenient, but also avoided the design of unnecessary fastener, make the overall structure of switching box structure 100 compacter.

As shown in fig. 8, insulating separating rib 17 has in the first spacing space 11, and insulating separating rib 17 can be isolated two copper bars 200 when adapter structure 100 is installed to copper bar 200 in to avoid influencing each other between two copper bars 200, thereby improved the security of battery package.

Further, at least one of the first protection cover 13 and the second protection cover 14 is formed with a grid-shaped reinforcing rib 18, so as to further improve the overall strength of the junction box structure 100, and further improve the overall stability of the junction box structure 100.

Preferably, the adaptor box structure 100 can be a plastic part, which not only reduces the weight of the adaptor box structure 100 to be beneficial to the light weight of the battery pack, but also can make the insulation protection effect better.

According to another aspect of the present invention, a battery pack includes the adapter box structure 100 for a battery pack described in the above embodiments. Other configurations of the battery pack, etc. are well known to those skilled in the art and thus will not be described in detail herein.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. An adapter box structure (100) for a battery pack, comprising:

at least one part of a copper bar (200) is in limit fit in a first limit space (11) in the copper bar insulation protection part (1), and a beam structure limit fit structure (12) is arranged on the copper bar insulation protection part (1);

the copper bar insulation protection device comprises a wiring harness insulation limiting part (2), at least one part of a wiring harness (300) is in limiting fit in a second limiting space (21) in the wiring harness insulation limiting part (2), the wiring harness insulation limiting part (2) is arranged on the end part of a copper bar insulation protection part (1), and a first limiting space (11) is insulated and isolated from the second limiting space (21).

2. The junction box structure (100) for a battery pack of claim 1, wherein the beam structure retention engagement structure (12) is adapted to snap-fit into a beam structure (400).

3. The junction box structure (100) for battery packs according to claim 2, wherein the beam structure limit fitting structure (12) comprises: a beam structure mating groove (121), the beam structure mating groove (121) adapted to mate with the beam structure (400) such that the first spacing space (11) can span the beam structure (400).

4. The junction box structure (100) for battery packs according to claim 3, characterized in that said first limiting space (11) comprises: the beam structure comprises a first straight section (111), a second straight section (112) and a U-shaped section (113) connected between the first straight section (111) and the second straight section (112), wherein the beam structure matching groove (121) is positioned at the lower part of the inner side of the U-shaped section (113).

5. The adapter box structure (100) for battery packs of claim 3, wherein the beam structure retention mating structure (12) further comprises: and the stop arc-shaped elastic sheet (122) is arranged on the inner wall of the beam structure matching groove (121).

6. The adapter box structure (100) for battery packs of claim 3, wherein the beam structure retention mating structure (12) further comprises: a buffer structure (123), the buffer structure (123) disposed within the beam structure mating groove (121).

7. The junction box structure (100) for battery packs according to claim 1, characterized in that the copper bar insulation protection (1) comprises: first protective cover (13) and second visor (14), first protective cover (13) with second visor (14) lock joint is mutually connected, with first protective cover (13) with inject between second visor (14) first spacing space (11).

8. The junction box structure (100) for a battery pack according to claim 7, wherein the harness insulation limiting portion (2) includes: a plurality of first spacing separation blade (22) and a plurality of second spacing separation blade (23), it is a plurality of first spacing separation blade (22) be suitable for with a plurality of the cooperation of the spacing separation blade one-to-one of second (23) with inject between first spacing separation blade (22) with the spacing separation blade of second (23) the spacing space of second (21), it is a plurality of first spacing separation blade (22) form respectively the upper end of first protective cover (13), it is a plurality of the spacing separation blade of second (23) forms respectively the upper end of second protective cover (14).

9. The junction box structure (100) for battery packs according to claim 7, characterized in that insulating partition ribs (17) are provided in the first retaining space (11), and a grid-shaped reinforcing rib (18) is formed on at least one of the first protective cover (13) and the second protective cover (14).

10. A battery pack, characterized in that it comprises an adapter box structure (100) for a battery pack according to any one of claims 1-9.

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