CN212874574U

CN212874574U - Support device and battery management system assembly

Info

Publication number: CN212874574U
Application number: CN202021944721.5U
Authority: CN
Inventors: 王晓宾; 凌俊华; 江吉兵; 王骁
Original assignee: Hubei Eve Power Co Ltd
Current assignee: Hubei Eve Power Co Ltd
Priority date: 2020-09-08
Filing date: 2020-09-08
Publication date: 2021-04-02
Anticipated expiration: 2030-09-08

Abstract

The utility model relates to the technical field of battery management systems, and discloses a supporting device and a battery management system assembly, which are used for fixing more than two battery management systems, wherein four corners of each battery management system are provided with mounting lugs; stud wears to locate installation ear and the mounting hole that corresponds in proper order, and the one end that the bottom plate deviates from battery management system is provided with first nut, stud's one end and first nut threaded connection, and battery management system deviates from the one end of bottom plate and is provided with the second nut, stud's the other end and second nut threaded connection. The utility model realizes the fixation of the battery management system through the bottom plate and the stud penetrating through the mounting lug and the mounting hole, has simple structure, few parts and convenient operation; the fixing of the double-end stud is realized through the first nut and the second nut, the installation is more flexible, and the installation efficiency is higher.

Description

Support device and battery management system assembly

Technical Field

The utility model relates to a battery management system technical field especially relates to a strutting arrangement and battery management system subassembly.

Background

With the development of new energy vehicles, electric vehicles have gradually become the main transportation means for people to walk instead of daily, the power of the electric vehicles mainly comes from a battery system, and a battery management system is a key component of the battery system.

Generally, a plurality of battery management systems are commonly used together, under the cladding of a battery pack shell with limited space, a plurality of small supports are usually adopted for vertical installation and fixation, then each battery management system is fixed through a plurality of bolts on the side, a plurality of bolts are needed in the fixing process, a plurality of parts are needed, the fixing cost is improved, meanwhile, too many operation steps are caused, and the operation efficiency is too low.

Therefore, a supporting device is needed to solve the above problems.

SUMMERY OF THE UTILITY MODEL

Based on above, an object of the utility model is to provide a strutting arrangement and battery management system subassembly, the part is few, and the installation is simple, and is efficient.

In order to achieve the purpose, the utility model adopts the following technical proposal:

the utility model provides a strutting arrangement for fix more than two battery management systems, battery management system's four corners is provided with the installation ear, strutting arrangement includes:

the four corners of the bottom plate are provided with mounting holes corresponding to the mounting lugs;

stud wears to locate the installation ear with correspond the mounting hole, the bottom plate deviates from battery management system's one end is provided with first nut, stud's one end with first nut threaded connection, battery management system deviates from the one end of bottom plate is provided with the second nut, stud's the other end with second nut threaded connection.

As a preferred scheme of strutting arrangement, adjacent two be provided with first stand between the battery management system, first stand cover is located stud is last, the one end of first stand with one the battery management system install the ear butt, the other end with another the battery management system install the ear butt.

Preferably, the height of the first upright is greater than the thickness of the battery management system.

As a preferred scheme of strutting arrangement, battery management system with be provided with the second stand between the bottom plate, the second stand cover is located stud is last, the one end of second stand with the bottom plate butt, the other end with the installation ear butt.

As a preferable aspect of the supporting device, the height of the first upright is greater than the height of the second upright.

As a preferred scheme of the supporting device, a cushion block is arranged between the bottom plate and the battery management system, more than two through holes are arranged on the cushion block, one stud bolt penetrates through one through hole in a one-to-one correspondence manner, one surface of the cushion block is abutted to the bottom plate, and the other surface of the cushion block is connected with the mounting lug.

As a preferred scheme of the supporting device, two through holes are formed in the cushion block, and two adjacent stud bolts penetrate through the through holes in a one-to-one correspondence manner.

As a preferable aspect of the supporting device, the mounting ears are disposed on opposite sides of the battery management system, and the length of the spacer is the same as the length of the side of the battery management system on which the mounting ears are disposed.

As a preferable mode of the supporting device, the stud is disposed perpendicular to the base plate.

A battery management system assembly comprises the supporting device in any scheme and more than two battery management systems fixed on the supporting device.

The utility model has the advantages that: the battery management system is fixed through the bottom plate and the stud bolts penetrating through the mounting lugs of the battery management system and the mounting holes of the bottom plate, and the battery management system is simple in structure, few in parts and convenient to operate; specifically, for realizing the fixing of the stud, one end of the bottom plate, which deviates from the battery management system, is provided with a first nut in threaded connection with the stud, one end of the battery management system, which deviates from the bottom plate, is provided with a second nut in threaded connection with the stud, and the first nut and the second nut are arranged to enable the mounting of the supporting device to be more flexible, so that the mounting efficiency is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings required to be used in the description of the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the contents of the embodiments of the present invention and the drawings without creative efforts.

Fig. 1 is a schematic diagram of a support device and a battery management system according to an embodiment of the present invention;

fig. 2 is an exploded view of a support device and a battery management system according to an embodiment of the present invention.

In the figure:

100. a battery management system; 101. mounting lugs;

1. a base plate; 11. mounting holes;

2. a stud; 21. a first nut; 22. a second nut;

31. a first upright post; 32. a second upright post; 33. cushion blocks; 34. and a through hole.

Detailed Description

In order to make the technical problems, technical solutions and technical effects achieved by the present invention more clear, the embodiments of the present invention will be described in further detail with reference to the accompanying drawings, and obviously, the described embodiments are only some embodiments, not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those skilled in the art without creative efforts belong to the protection scope of the present invention.

As shown in fig. 1 and 2, the present embodiment provides a supporting device for a battery management system assembly, for fixing two or more battery management systems 100, wherein four corners of the battery management systems 100 are provided with mounting lugs 101, the supporting device comprises a bottom plate 1 and studs 2, wherein four corners of the bottom plate 1 are provided with mounting holes 11 corresponding to the mounting lugs 101; stud 2 wears to locate mounting ear 101 and the mounting hole 11 that corresponds, and the one end that bottom plate 1 deviates from battery management system 100 is provided with first nut 21, and the one end and the first nut 21 threaded connection of stud 2, the one end that battery management system 100 deviates from bottom plate 1 are provided with second nut 22, the other end and the second nut 22 threaded connection of stud 2.

The battery management system 100 is fixed through the bottom plate 1 and the stud bolts 2 penetrating through the mounting lugs 101 of the battery management system 100 and the mounting holes 11 of the bottom plate 1, and the battery management system is simple in structure, few in parts and convenient to operate; specifically, for realizing the fixing of stud 2, the end of bottom plate 1 that deviates from battery management system 100 is provided with first nut 21 in threaded connection with stud 2, and the end of battery management system 100 that deviates from bottom plate 1 is provided with second nut 22 in threaded connection with stud 2, and the setting of first nut 21 and second nut 22 makes strutting arrangement's installation more nimble, has improved the installation effectiveness.

Preferably, the stud 2 is vertically arranged with the base plate 1, which facilitates the placement of the battery management system 100 and the installation of the first nut 21 and the second nut 22, and is convenient to operate, and meanwhile, the vertically arranged stud 2 and the first nut 21 and the second nut 22 are only in tensile stress or compressive stress and are not subjected to shearing force, so that the connection reliability is improved and the service life of the support device is prolonged.

Further, a first upright 31 is disposed between two adjacent battery management systems 100, and is used for supporting the two adjacent battery management systems 100, reducing the stress on the mounting ears 101 of the battery management systems 100, and reducing the damage to the battery management systems 100. During installation, the first upright column 31 is sleeved on the stud bolt 2, one end of the first upright column 31 is abutted against the installation lug 101 of one battery management system 100, and the other end of the first upright column 31 is abutted against the installation lug 101 of the other battery management system 100.

In this embodiment, the height of the first column 31 is greater than the thickness of the battery management systems 100, so as to avoid the problem caused by the close contact between two adjacent battery management systems 100, so that a gap exists between two adjacent battery management systems 100, thereby facilitating heat dissipation, reducing wear, and increasing reliability.

Specifically, a second upright 32 is further disposed between the battery management system 100 and the bottom plate 1, and is used for supporting between the bottommost battery management system 100 and the bottom plate 1, so as to avoid abrasion between the bottommost battery management system 100 and the bottom plate 1, and facilitate heat dissipation of the bottommost battery management system 100. During the installation, locate stud 2 with second stand 32 cover on to with the one end and the bottom plate 1 butt of second stand 32, the other end with install the ear 101 butt can, the installation is simple, convenient.

Optionally, the height of the first upright 31 is greater than that of the second upright 32, which is beneficial to reducing the overall size of the battery management system assembly and saving the installation space.

Illustratively, the process of fixedly supporting three battery management systems 100 by using the supporting device is as follows, firstly, one end of the stud 2 is inserted into the mounting hole 11 of the base plate 1 and is fixed by the first nut 21, then the stud 2 is sequentially sleeved with the second upright 32, one battery management system 100, one first upright 31, another battery management system 100, another first upright 31 and another battery management system 100, and finally the second upright 32, the battery management system 100 and the first upright 31 are all fixed on the base plate 1 by the second nut 22, or the second upright 32, the battery management system 100 and the first upright 31 together with the base plate 1 are fixed on other devices, such as a box.

In other embodiments, a spacer 33 may be disposed between the bottom plate 1 and the battery management system 100 to replace the second pillar 32, and the spacer 33 is more stable than the second pillar 32; and be provided with more than two through-holes 34 on the cushion 33, a stud 2 wears to locate in a through-hole 34 one-to-one, and one side and bottom plate 1 butt of cushion 33, the another side is connected with installation ear 101, adopts the cushion 33 that is less than installation ear 101 quantity to realize the installation between every installation ear 101 and bottom plate 1, has further reduced strutting arrangement's part number.

Specifically, two through holes 34 are formed in the spacer block 33, and two adjacent studs 2 are correspondingly inserted into the through holes 34 one by one.

Further, mounting ears 101 are disposed on opposite sides of battery management system 100, and the length of spacer 33 is the same as the length of the side of battery management system 100 on which mounting ears 101 are disposed, which facilitates reducing the length of spacer 33, simplifying the structure of spacer 33, and also facilitates reducing the weight and overall size of the battery management system assembly.

The present embodiment also discloses a battery management system assembly, which includes the supporting device according to any one of the above aspects, and two or more battery management systems 100 fixed on the supporting device.

It should be noted that the foregoing is only a preferred embodiment of the present invention and the technical principles applied. It will be understood by those skilled in the art that the present invention is not limited to the particular embodiments described herein, but is capable of various obvious changes, rearrangements and substitutions as will now become apparent to those skilled in the art without departing from the scope of the invention. Therefore, although the present invention has been described in greater detail with reference to the above embodiments, the present invention is not limited to the above embodiments, and may include other equivalent embodiments without departing from the scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. Wherein the terms "first position" and "second position" are two different positions.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. A support device for fixing more than two battery management systems (100), the four corners of battery management system (100) all are provided with installation ear (101), characterized in that, support device includes:

the four corners of the bottom plate (1) are provided with mounting holes (11) corresponding to the mounting lugs (101);

stud (2), wear to locate installation ear (101) and corresponding mounting hole (11), bottom plate (1) deviates from the one end of battery management system (100) is provided with first nut (21), the one end of stud (2) with first nut (21) threaded connection, battery management system (100) deviates from the one end of bottom plate (1) is provided with second nut (22), the other end of stud (2) with second nut (22) threaded connection.

2. The supporting device according to claim 1, wherein a first upright (31) is disposed between two adjacent battery management systems (100), the first upright (31) is sleeved on the stud (2), one end of the first upright (31) abuts against the mounting ear (101) of one battery management system (100), and the other end abuts against the mounting ear (101) of the other battery management system (100).

3. The support device according to claim 2, characterized in that the height of the first upright (31) is greater than the thickness of the battery management system (100).

4. The support device according to claim 2, wherein a second upright (32) is arranged between the battery management system (100) and the base plate (1), the second upright (32) is sleeved on the stud (2), one end of the second upright (32) abuts against the base plate (1), and the other end abuts against the mounting lug (101).

5. Support device according to claim 4, characterized in that the height of said first upright (31) is greater than the height of said second upright (32).

6. The supporting device according to claim 1, wherein a spacer block (33) is arranged between the bottom plate (1) and the battery management system (100), more than two through holes (34) are arranged on the spacer block (33), one stud bolt (2) is correspondingly arranged in one through hole (34), one surface of the spacer block (33) is abutted to the bottom plate (1), and the other surface of the spacer block is connected with the mounting lug (101).

7. The supporting device according to claim 6, characterized in that two through holes (34) are formed in the spacer block (33), and two adjacent studs (2) are correspondingly inserted into the through holes (34).

8. The support device of claim 7, wherein the mounting ears (101) are disposed on opposite sides of the battery management system (100), and the length of the spacer block (33) is the same as the length of the side of the battery management system (100) on which the mounting ears (101) are disposed.

9. Support device according to any one of claims 1-8, characterized in that the stud (2) is arranged perpendicular to the base plate (1).

10. A battery management system assembly, comprising a support device according to any of claims 1-9, and two or more battery management systems (100) secured to the support device.