CN213692403U

CN213692403U - Insulating seat, battery box and electric automobile

Info

Publication number: CN213692403U
Application number: CN202022593279.2U
Authority: CN
Inventors: 尹峰; 黄河; 刘进程; 张彪
Original assignee: CRRC Electric Vehicle Co Ltd
Current assignee: CRRC Electric Vehicle Co Ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-07-13
Anticipated expiration: 2030-11-11

Abstract

The application discloses insulating seat, battery high-voltage box and electric automobile, wherein, insulating seat comprises insulating base, two at least conductive connecting piece and two at least mountings, wherein, including two at least installation departments on the insulating base, the installation department includes first slot and fixing hole, conductive connecting piece and mounting install respectively in first slot with among the fixing hole, use as two at least high-voltage connectors, promptly insulating seat is equal to two at least high-voltage connectors, and its occupation space is less than the occupation space of two high-voltage connectors far away, has reduced battery high-voltage box size greatly, is showing the manufacturing cost who has reduced the product complete machine, has improved the integrated level of product complete machine. And the fixing hole of the conductive connecting piece is coaxial with the fixing through hole, so that the reliability of connection and fixation of the conductive connecting piece and the high-voltage power line bundle is improved.

Description

Insulating seat, battery box and electric automobile

Technical Field

The application relates to the technical field of new energy, more specifically say, relate to an insulating seat, battery box and electric automobile.

Background

With the increasing prominence of the problem of energy shortage, new energy automobiles enter a rapid development stage in the global scope.

In a new energy automobile, a battery box is a device for realizing electric energy distribution of all large electric components of the whole automobile, so that the battery box is an important bridge for connecting a battery system with the new energy automobile.

When the battery box is used, the current is transmitted to each high-voltage interface through the high-voltage connecting part, and when the traditional battery box is used, the high-voltage connector is directly connected with the high-voltage power line bundle to transmit the current to each high-voltage interface. However, the high-voltage connector has high cost and occupies a large space, which results in a large volume of the battery box body and significantly increases the manufacturing cost of the whole product.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the application provides an insulating seat, a battery box and an electric automobile to solve the problem that a high-voltage connector is high in cost and occupies a large space.

In order to achieve the above purpose, the present application provides the following technical solutions:

an insulator base comprising:

the insulation base comprises at least two installation parts, and each installation part comprises a first slot and a fixing through hole;

the conductive connecting pieces are in one-to-one correspondence with the mounting parts, the conductive connecting pieces are inserted into first slots of the mounting parts corresponding to the conductive connecting pieces, and fixing holes of the conductive connecting pieces are coaxial with the fixing through holes;

the fixing piece is arranged in the fixing through hole of the mounting part corresponding to the fixing piece so as to fix the conductive connecting piece and the insulating base.

Optionally, the first slot is a cylindrical through hole.

Optionally, the fixing member is an insert nut.

Optionally, the insert nut includes: the nut comprises a nut body and two clamping structures;

the two clamping structures are respectively distributed at the center and the bottom of the side wall of the nut body, and the two clamping structures are arranged by protruding out of the nut body;

the shape of the clamping structure is matched with that of the first slot.

Optionally, the insulating base further includes:

the length of the first isolating part along the first direction is greater than or equal to a preset distance;

the first direction is parallel to a direction in which one of the mounting portions points to the other of the mounting portions.

Optionally, the insulating base further includes:

and the second isolating part is positioned on one side of the second direction of the first isolating part and is adjacent to the first isolating part.

Optionally, the second partition comprises a rectangular groove.

Optionally, the second isolation portion further includes: the extension part is connected with the first isolation part, and the first blind hole is positioned in the extension part.

Optionally, the first blind hole is a counter bore.

Optionally, the cross-sectional shape of the first slot is L-shaped.

Optionally, the conductive connecting piece is a red copper busbar.

Optionally, the range of the cross-sectional area of the red copper busbar is 75 +/-5 mm²。

Optionally, the cross-sectional area of the red copper busbar is 75mm²。

A battery box comprises the insulating base.

An electric vehicle comprising a battery box as in one of the above.

According to the technical scheme, the application provides an insulating seat, battery box and electric automobile, wherein, the insulating seat comprises insulator foot, two at least conductive connecting piece and two at least mountings, wherein, including two at least installation departments on the insulator foot, the installation department includes first slot and fixing hole, conductive connecting piece and mounting install respectively in first slot with among the fixing hole, use as two at least high voltage connectors, promptly the insulating seat is equal to two at least high voltage connectors, and its occupation space is less than the occupation space of two high voltage connectors far away, has reduced battery box size greatly, has showing the manufacturing cost who has reduced the product complete machine, has improved the integrated level of product complete machine.

And the fixing hole of the conductive connecting piece is coaxial with the fixing through hole, so that the reliability of connection and fixation of the conductive connecting piece and the high-voltage power line bundle is improved.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of an insulating base according to an embodiment of the present application;

FIG. 2 is an exploded view of an insulator base according to an embodiment of the present application;

FIG. 3 is a schematic top view of an insulating base according to an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view taken along line AA in FIG. 3;

FIG. 5 is a schematic cross-sectional view taken along line BB in FIG. 3;

fig. 6 is a schematic structural diagram of a conductive connection component according to an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

An insulating base according to an embodiment of the present application is shown in fig. 1, fig. 2, fig. 3, fig. 4, fig. 5, and fig. 6, where fig. 1 is an external view of the insulating base, fig. 2 is an exploded view of the insulating base, fig. 3 is a top view of the insulating base, fig. 4 is a cross-sectional view along an AA line in fig. 3, fig. 5 is a cross-sectional view along a BB line in fig. 3, and fig. 6 is a schematic view of a conductive connecting member, and the insulating base includes:

the insulating base 30, the insulating base 30 includes at least two mounting portions 31, the mounting portions 31 include first slots and fixing through holes 35;

the conductive connector comprises at least two conductive connectors 10 and at least two fixing pieces 20, wherein the at least two conductive connectors 10 correspond to the at least mounting portions 31 one by one, the conductive connectors 10 are inserted into first slots 34 of the mounting portions 31 corresponding to the conductive connectors 10, and fixing holes 11 of the conductive connectors 10 are coaxial with fixing through holes 35;

the fixing member 20 is installed in the fixing through hole 35 of the installation part 31 corresponding to the fixing member 20 to fix the conductive connecting member 10 and the insulating base 30.

In this embodiment, the insulating seat comprises insulating base 30, two at least conductive connecting piece 10 and two at least mountings 20, wherein, including two at least installation departments 31 on the insulating base 30, installation department 31 includes first slot 34 and fixed through hole 35, conductive connecting piece 10 and mounting 20 install respectively in first slot 34 with in the fixed through hole 35, use as two at least high voltage connectors, promptly the insulating seat is equal to two at least high voltage connectors, and its occupation space is less than the occupation space of two high voltage connectors far away, has reduced battery box size greatly, has showing the manufacturing cost who reduces the product complete machine, has improved the integrated level of product complete machine.

And the fixing hole 11 of the conductive connecting piece 10 is coaxial with the fixing through hole 35, so that the reliability of connection and fixation of the conductive connecting piece 10 and the high-voltage power line bundle is improved.

A specific possible structure of each component in the insulating base provided by the embodiments of the present application will be described below with reference to fig. 1 to 6.

Optionally, the first slot 34 is a cylindrical through hole.

Optionally, the fixing member 20 is a threaded insert. The embedded nut is matched with the cylindrical through hole to fasten the conductive connecting piece 10, so that the conductive connecting piece 10 can be reliably connected and fixed with a high-voltage power line bundle.

In an alternative embodiment of the present application, still referring to fig. 2, the threaded insert nut comprises: the nut comprises a nut body and two clamping structures;

the shape of the retention structure matches the shape of the first slot 34. Specifically, when the cross-sectional shape of the first slot 34 is a hexagon, the shape of the seating structure is also a hexagon.

In the embodiment, the bottom and the middle part of the embedded nut are both designed with a protruding hexagonal structure (the embedding structure), so that the embedding reliability of the embedded nut is improved, and the connection strength of the high-voltage power line bundle is greatly enhanced.

Alternatively, referring to fig. 3, 4 and 5, the insulating base 30 further includes:

a first partition portion 32 located between each two of the mounting portions 31, a length of the first partition portion 32 in the first direction DR1 being greater than or equal to a preset distance;

the first direction DR1 is parallel to the direction in which one of the mounting portions 31 points toward the other mounting portion 31.

In the embodiment, due to the existence of the first isolation portion 32, the distance between every two installation portions 31 is greater than or equal to the preset distance, so that the electrical gap between the conductive connecting pieces 10 is ensured, and the short circuit risk is prevented when the high-voltage power line harness is connected. The value of the preset distance is set according to actual needs, and the preset distance is not limited in the application.

and a second separating part 33 located between two adjacent mounting parts 31 on the second direction DR2 side of the first separating part 32.

The second isolation portion 33 includes a rectangular groove 36, and further includes: an extension connected to the first spacer 32, and a first blind hole located inside the extension.

The first blind hole may optionally be a counter-sunk hole 37.

In the present embodiment, the rectangular groove 36 is designed in the second isolation portion 33 to facilitate the installation of the insulating base and to achieve a lightweight design of the structure, and at the same time, to facilitate an increase in the creepage distance between the adjacent conductive connecting members 10. In addition, the two counter bores 37 designed in the second isolation part 33 increase the electrical gap between the bolt of the nut embedded in the insulating base and the red copper busbar, and the attractiveness of the integral installation of the insulating base is realized.

Optionally, the cross-sectional shape of the first slot 34 is L-shaped.

Optionally, the conductive connecting member 10 is a red copper busbar.

Optionally, the range of the cross-sectional area of the red copper busbar is 75 +/-5 mm². Specifically, in some embodiments of the present application, a cross-sectional area of the red copper busbar is 70mm²、75mm²、 80mm²The present application does not limit this, which is determined by the actual situation. However, in a specific embodiment of the present application, the cross-sectional area of the red copper busbar is 75mm²Can meet the current-carrying capacity of 300A and 70mm²And 50mm²The high-voltage power line harness.

Correspondingly, this application embodiment still provides a battery box, includes the insulator foot as described in any one above embodiment.

Correspondingly, the embodiment of the application also provides an electric automobile which comprises the battery box in the embodiment.

To sum up, this application embodiment provides an insulating seat, battery box and electric automobile, wherein, insulating seat comprises insulating base 30, two at least conductive connecting piece 10 and two at least mounting 20, wherein, including two at least installation departments 31 on the insulating base 30, installation department 31 includes first slot 34 and fixing hole 35, conductive connecting piece 10 and mounting 20 install respectively in first slot 34 with in the fixing hole 35, use as two at least high voltage connectors, promptly insulating seat is equal to two at least high voltage connectors, and its occupation space is less than the occupation space of two high voltage connectors far away, has reduced battery box size greatly, has showing the manufacturing cost who has reduced the product complete machine, has improved the integrated level of product complete machine.

Features described in the embodiments in the present specification may be replaced with or combined with each other, each embodiment is described with a focus on differences from other embodiments, and the same and similar portions among the embodiments may be referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An insulator base, comprising:

2. The insulator base of claim 1, wherein the first slot is a cylindrical through hole.

3. The insulator foot of claim 2, wherein the fastener is a threaded insert.

4. The insulator foot according to claim 3, wherein the insert nut comprises: the nut comprises a nut body and two clamping structures;

the shape of the clamping structure is matched with that of the first slot.

5. The insulator tray of claim 1, wherein the insulator tray further comprises:

6. The insulator tray of claim 5, wherein the insulator tray further comprises:

7. The insulator tray of claim 6, wherein the second spacer portion comprises a rectangular slot.

8. The insulator tray of claim 7, wherein the second spacer portion further comprises: the extension part is connected with the first isolation part, and the first blind hole is positioned in the extension part.

9. The insulator foot of claim 8, wherein the first blind hole is a counterbore.

10. The insulator tray of claim 1, wherein the first slot has an L-shaped cross-sectional shape.

11. The insulator foot according to claim 1, wherein the conductive connector is a copper busbar.

12. The insulating base according to claim 11, wherein the cross-sectional area of the red copper busbar is 75 ± 5mm²。

13. The insulating base according to claim 12, wherein the cross-sectional area of the red copper busbar is 75mm²。

14. A battery case comprising an insulating base as claimed in any one of claims 1 to 13.

15. An electric vehicle characterized by comprising the battery box according to claim 14.