CN114188644A

CN114188644A - Battery bracket and battery module

Info

Publication number: CN114188644A
Application number: CN202111357595.2A
Authority: CN
Inventors: 周明杰; 徐阳招
Original assignee: Oceans King Lighting Science and Technology Co Ltd; Oceans King Dongguan Lighting Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Current assignee: Oceans King Lighting Science and Technology Co Ltd; Oceans King Dongguan Lighting Technology Co Ltd; Shenzhen Oceans King Lighting Engineering Co Ltd
Priority date: 2021-11-16
Filing date: 2021-11-16
Publication date: 2022-03-15

Abstract

The invention is suitable for the technical field of lithium batteries, and provides a battery bracket and a battery module. The battery bracket comprises a first bracket body, a second bracket body and a plurality of first fixing holes, wherein the first bracket body is provided with a first connecting piece and a plurality of first fixing holes for fixing the battery, and the first fixing holes are spaced at a preset distance; the second frame body is provided with a second connecting piece connected with the first connecting piece and a plurality of second fixing holes for fixing the batteries, and the second fixing holes are spaced at preset distances; the fixed cavity is arranged on the first frame body and/or the second frame body and used for mounting a circuit board; wherein, be formed with installation space between first support body and the setting of second support body, the battery setting is in installation space, and the both ends of battery are fixed respectively in corresponding first fixed orifices and second fixed orifices. According to the invention, the battery bracket can reliably protect the battery and the circuit board, and the problem that the battery and the circuit board are subjected to larger pressure in a product is effectively solved.

Description

Battery bracket and battery module

Technical Field

The invention belongs to the technical field of lithium batteries, and particularly relates to a battery bracket and a battery module.

Background

In the prior art, in the production process of combining a plurality of batteries to form a battery pack, in order to fix each battery, a fixing frame is usually arranged to fix the position of the battery.

In the related art, a thermal shrinkage sleeve is generally used to fix the battery and the PCB protection board together. In the arrangement mode, the battery and the PCB protection board are under larger pressure in the product, and certain potential safety hazards exist.

Disclosure of Invention

In view of this, embodiments of the present invention provide a battery holder to solve the problem that a battery and a circuit board are subjected to a large pressure in a product and have a certain potential safety hazard.

In order to solve the above problems, the technical solution of the embodiment of the present invention is implemented as follows:

a battery holder, comprising: the battery fixing device comprises a first frame body, a second frame body and a plurality of fixing holes, wherein the first frame body is provided with a first connecting piece and a plurality of first fixing holes for fixing batteries, and the first fixing holes are spaced by a preset distance; the second frame body is provided with a second connecting piece connected with the first connecting piece and a plurality of second fixing holes for fixing the battery, and the second fixing holes are spaced at a preset distance; the fixed cavity is arranged on the first frame body and/or the second frame body and used for installing a circuit board; the battery fixing device comprises a first support body, a second support body, a battery, a first fixing hole, a second fixing hole and a battery, wherein an installation space is formed between the first support body and the second support body, the battery is arranged in the installation space, and two ends of the battery are fixed in the first fixing hole and the second fixing hole correspondingly respectively.

In some embodiments, the battery holder further comprises a protective shell, and the protective shell is sleeved on the outer surfaces of the first holder body and the second holder body.

In some embodiments, the battery support further comprises a mounting ear for connecting with a support member, and the mounting ear is disposed on two opposite sides of the first support body and the second support body.

In some embodiments, a fool-proof structure is disposed on each of the mounting ears.

In some embodiments, the fixing cavity is provided on the first frame body, and a top surface of the first frame body is recessed inward to form the fixing cavity.

In some embodiments, each of the first fixing holes communicates with the fixing cavity.

In some embodiments, one end of the first connecting member is fixed on the first frame body, and the other end of the first connecting member extends towards the inside of the installation space; one end of the second connecting piece is fixed on the second frame body, and the other end of the second connecting piece extends towards the inside of the mounting space so as to be connected with the first connecting piece.

In some embodiments, a first guiding structure is disposed at an end of the first connecting piece connected to the second connecting piece, a second guiding structure is disposed at an end of the second connecting piece connected to the first connecting piece, and the first guiding structure and the second guiding structure are connected in a matching manner.

In some embodiments, the battery bracket further comprises a limiting block for limiting the installation position of the battery, and the limiting block is arranged on each of the first bracket body and the second bracket body.

An embodiment of the present invention further provides a battery module, including: a circuit board; a plurality of batteries provided; the flow piece is connected with each battery and is electrically connected with the circuit board; in the battery holder, each battery is disposed in the mounting space, and the circuit board is mounted in the fixing cavity.

The embodiment of the invention provides a battery bracket which comprises a first bracket body, a second bracket body and a fixing cavity. Set up a plurality of first fixed orificess that are used for fixed battery through the adoption on first support body, each first fixed orificess interval constructs moreover and has preset the distance to correspond and set up a plurality of second fixed orificess that are used for fixed battery on the second support body, each second fixed orifices interval constructs moreover and has preset the distance. And meanwhile, the fixed cavity is arranged on the first frame body and/or the second frame body. Set up like this, injecing jointly at first support body and second support body, make each battery reliably fixed and have reasonable clearance, not only high-efficient the installation space of having utilized, under the protection of two support bodies, can avoid the battery to bear the impact moreover. Meanwhile, the circuit board is installed by arranging the fixing cavity, so that the circuit board can be protected, and the circuit board is prevented from being damaged by impact. The battery bracket reliably meets the use requirements of protecting the battery and the circuit board.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments 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 it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.

Fig. 1 is an exploded view of a battery holder according to a first configuration provided in an embodiment of the present invention;

fig. 2 is an exploded view of a battery holder according to a second configuration provided in an embodiment of the present invention;

fig. 3 is an exploded view illustrating a battery module according to a first structure of the present invention;

fig. 4 is an exploded view illustrating a battery module according to a second structure of the present invention;

fig. 5 is a schematic perspective view illustrating a battery module according to a second structure in an embodiment of the present invention.

Description of reference numerals:

1. a battery holder; 11. a first frame body; 111. a first connecting member; 112. a first fixing hole; 113. a first guide structure; 12. a second frame body; 121. a second connecting member; 122. a second fixing hole; 123. a second guide structure; 13. a fixed cavity; 14. an installation space; 15. a protective shell; 16. mounting ears, 161, fool-proof structure; 17. a limiting block;

2. a battery module; 21. a circuit board; 22. a battery; 23. a bus bar.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The individual features described in the embodiments can be combined in any suitable manner without departing from the scope, for example different embodiments and aspects can be formed by combining different features. In order to avoid unnecessary repetition, various possible combinations of the specific features of the invention will not be described further.

It should be noted that the terms of orientation such as left, right, up and down in the embodiments of the present invention are only relative to each other or are referred to the normal use state of the product, and should not be considered as limiting.

As shown in fig. 1 and 2, a battery holder 1 according to an embodiment of the present invention may be used in a battery module 2 (see fig. 5), and the battery holder 1 may limit and fix the installation position of each battery, so as to improve the reliability of the overall performance of the battery module 2. The shape of the battery can be optionally columnar, of course, other shapes, can be adopted,

As shown in fig. 1 and 2, in some embodiments, the battery holder 1 includes a first holder 11, a second holder 12, and a fixing cavity 13. The first frame body 11 is provided with a first connecting member 111 and a plurality of first fixing holes 112 for fixing the battery 22 (refer to fig. 3), and the first fixing holes 112 are spaced apart by a predetermined distance. The second frame body 12 is provided with a second connecting member 121 connected to the first connecting member 111 and a plurality of second fixing holes 122 for fixing the batteries 22, and the second fixing holes 122 are spaced at a predetermined distance. And the fixing cavity 13 is provided on the first frame body 11 and/or the second frame body 12, and the fixing cavity 13 is used for mounting a circuit board 21 (refer to fig. 3). Specifically, adopt between first support body 11 and the second support body 12 to closing the continuous mode of setting, overall structure is simple, moreover through first connecting piece 111 and the second connecting piece 121 that sets up between the two, can realize the assembly through modes such as screwed connection or joint, connect conveniently. Optionally, a groove may be formed on one or both of the opposite surfaces of the first frame 11 and the second frame 12, so that the installation space 14 can be formed when the first frame 11 and the second frame 12 are coupled to each other. The battery 22 is disposed in the installation space 14 with both ends of the battery 22 fixed in the corresponding first and second fixing holes 112 and 122, respectively. In this way, the cells 22 can be defined not only by the first fixing holes 112 and the second fixing holes 122, but also by the predetermined distance between the first fixing holes 112 and the second fixing holes 122, the defined gaps between the cells 22 have a predetermined distance, and a buffer space is provided. And the support protection that combines first support body 11 and second support body 12 to provide can avoid battery 22 to directly bear the impact, has promoted the security of battery 22 use. Meanwhile, the fixing cavity 13 is arranged on the first frame body 11 and/or the second frame body 12, so that the circuit board 21 is installed in the fixing cavity 13 without being directly exposed, and cannot be directly contacted with an external object, the circuit board 21 can be prevented from directly bearing impact force, and the circuit board 21 is protected. So, this battery holder 1's setting can realize the effective protection to battery 22 and circuit board 21, and overall structure is succinct moreover, and assembly connection is convenient, has satisfied the user demand well.

As shown in fig. 1 and 2, in some embodiments, the battery holder 1 further includes a protective casing 15, and the protective casing 15 is disposed on the outer surfaces of the first holder 11 and the second holder 12. Specifically, this protective housing 15 is epoxy board protective housing 15, and inside has and holds the chamber, and protective housing 15 cover is established at the surface of first support body 11 and second support body 12, can wrap up whole battery support 1, plays and prevents that battery 22 and circuit board 21 from receiving the function that the foreign matter openly strikeed, just can further provide the protection for battery 22 and circuit board 21.

As shown in fig. 1 and 2, in some embodiments, the battery bracket 1 further includes a mounting ear 16 for connecting with a support, and the mounting ears 16 are disposed on two opposite sides of the first and

second brackets

11 and 12. The support member may be an object (e.g., a case or a support plate of a product) to which the battery holder 1 is to be mounted and fixed. Through being provided with this installation ear 16, alright adopt wear to establish the screw in installation ear 16 to be connected the screw with support piece, thereby can be fixed with whole battery support 1 installation, installation convenient operation nature, fixed stability is good moreover. Of course, the battery holder 1 can be integrally mounted by means of clamping or plugging. Specifically, when the mounting ears 16 are provided, the connecting direction of the mounting ears 16 for mounting and fixing can be selected according to the mounting requirements of the product. I.e. the mounting ears 16 may be laterally disposed, the direction of the fixed connection being the lateral connection. And when the mounting lugs 16 are vertically arranged, the fixed connection direction is vertically connected. Of course, the tilt connection may be performed by being disposed obliquely. The connection mode is various, can satisfy the installation demand of different product designs.

In some embodiments, a fool-proof structure 161 is provided on each mounting ear 16. This fool-proof structure 161 is used for when carrying out the connection of first support body 11 and second support body 12, can play the effect of hookup location direction to through this fool-proof structure 161, can make first support body 11 and second support body 12 accurately connect fast. Specifically, the fool-proof structure 161 may be configured as a slope or other structure capable of performing a position recognition function. Thus, after the first frame 11 and the second frame 12 are accurately coupled, the mounting lugs 16 on the same side are inclined in the same direction. When the first frame 11 and the second frame 12 are incorrectly connected, the mounting lugs 16 on the same side are inclined in different directions, so that the connection position can be quickly identified and corrected. In the embodiment of the present invention, as shown in fig. 1, the fool-proof structure 161 is configured as an inclined plane, and the mounting lugs 16 are configured to be transversely mounted and connected, two opposite sides of the first frame 11 and the second frame 12 are respectively provided with one mounting lug 16, and in the two sides, the distance between the two mounting lugs 16 located on the same side is configured to be different, so that the mounting can be distinguished by distinguishing the distance of the mounting lugs 16. Alternatively, as shown in fig. 2, when the mounting ears 16 are set to be vertically mounted and connected, the distance between two mounting ears 16 located on the same side can be set to be different, so that the mounting can be distinguished by distinguishing the distance of the mounting ears 16, and the fool-proof structure 161 can be set to be an inclined plane.

As shown in fig. 1 and 2, in the embodiment of the present invention, since the positive electrode of the battery 22 is generally oriented in the actual assembly, the first frame 11 is connected above the second frame 12, and the fixing chamber 13 is disposed on the first frame 11. And the fixing cavity 13 is formed by the top surface of the first frame body 11 being depressed inwards, and the depth of the fixing cavity 13 is formed to at least satisfy the installation of the circuit board 21. Thus, the circuit board 21 is mounted in the fixing cavity 13 hidden and not exposed, and the circuit board 21 is well protected. Moreover, the mounted circuit board 21 is positioned above the battery holder 1, so that connection with other parts and later maintenance are facilitated.

As shown in fig. 1 and 2, in some embodiments, each first fixing hole 112 is in communication with the fixing chamber 13. Thus, the first frame 11 is formed in a unitary structure, which is convenient for manufacturing and facilitates heat dissipation of the battery 22. Of course, it is understood that in other embodiments, each first fixing hole 112 may be configured as a blind hole, provided that the battery 22 can be reliably fixed.

As shown in fig. 1 and 2, in some embodiments, each of the second fixing holes 122 disposed on the second frame body 12 is also configured as a through hole, that is, each of the second fixing holes 122 penetrates through the bottom of the second frame body 12. The arrangement is convenient for production, manufacture and heat dissipation. Of course, each second fixing hole 122 may be a blind hole on the premise that the battery 22 can be reliably fixed.

In the practice of the present invention, the gap between the first fixing holes 112 and the gap between the second fixing holes 122 are optionally set to be maintained between 15mm and 40mm according to design requirements. The first fixing holes 112 and the second fixing holes 122 are arranged in a uniform manner. Thus, each battery 22 has a proper gap, which not only facilitates the installation of each battery 22, but also can provide a proper deformation space between adjacent batteries 22, thereby improving the safety of use.

In some embodiments, an elastic sheet may be disposed in each of the first fixing holes 112 and each of the second fixing holes 122. Thus, when the battery 22 is inserted into the first fixing hole 112 and the second fixing hole 122, the elastic piece is pressed to be elastically deformed to generate a clamping force to clamp the battery 22, and the stability of the battery 22 after mounting can be further improved.

As shown in fig. 1 and 2, in some embodiments, one end of the first connector 111 is fixed to the first frame body 11, and the other end of the first connector 111 extends toward the inside of the installation space 14. Also, one end of the second link member 121 is fixed to the second frame body 12, and the other end of the second link member 121 extends toward the inside of the installation space 14 to be connected to the first link member 111. Thus, the first connector 111 and the second connector 121 are connected in a matched manner, so that the first frame body 11 and the second frame body 12 are connected. Specifically, the first connecting part 111 and the second connecting part 121 may be connecting columns, and screws are inserted between the two to realize connection and fixation, or may be fastening structures capable of being connected in a matching manner.

As shown in fig. 1 and 2, in some embodiments, in order to improve the accuracy of the position of the first frame 11 and the second frame 12 during the assembling connection, a first guide structure 113 may be disposed at one end of the first connecting member 111 connected to the second connecting member 121, and a second guide structure 123 may be disposed at one end of the second connecting member 121 connected to the first connecting member 111, wherein the first guide structure 113 and the second guide structure 123 are cooperatively connected. Like this, under first guide structure 113 and the cooperation of second guide structure 123, can fix a position the hookup location of first support body 11 and second support body 12, improved convenience and the accuracy of closing the connection. Specifically, the first guiding structure 113 and the second guiding structure 123 may be a boss and a recess, respectively, which can be matched with each other, so that when the first frame body 11 and the second frame body 12 are connected, the positioning of the connection position between the first frame body 11 and the second frame body 12 can be realized by inserting the boss into the recess. Optionally, the boss and the pit are both arranged to be hemispherical, so that the position guiding effect is good. Of course, it is understood that other positions where the first frame 11 and the second frame 12 contact each other may be provided with a guiding structure, which can also perform the function of guiding the quick and accurate connection therebetween.

As shown in fig. 1 and 2, in some embodiments, the battery bracket 1 further includes a limiting block 17 for limiting the installation position of the battery 22, and the limiting block 17 is disposed on each of the first bracket body 11 and the second bracket body 12. Thus, the positions of the battery 22 inserted into the first fixing hole 112 and the second fixing hole 122 can be limited by the position limitation of the limiting block 17, the accuracy and the convenience of the installation position of the battery 22 are improved, and the installation efficiency of the battery 22 can also be improved. Specifically, the stopper 17 may be disposed at the edge of the first and second fixing holes 112 and 122 and extend at least partially into the holes, thereby serving to define the position of the inserted battery 22. Of course, the battery 22 can be limited by disposing a limiting step in the first fixing hole and the second fixing hole 122, which can also meet the requirement of use. In the embodiment of the invention, the fixing holes on the first frame body 11 and the second frame body 12 are uniformly arranged into two rows, so that a limiting block 17 is arranged between every two adjacent fixing holes, and the four fixing holes can be limited by one limiting block 17, so that the design ingeniously is good.

In the battery bracket 1 provided in the embodiment of the present invention, the installation space 14 is formed between the first bracket body 11 and the second bracket body 12 which are connected to each other, and each battery 22 is disposed in the installation space 14 and is fixed and protected by the first bracket body 11 and the second bracket body 12, so that the battery 22 can be prevented from directly bearing impact. Moreover, by arranging the fixing cavity 13 on the first frame body 11 and installing the circuit board 21 in the fixing cavity 13, the circuit board 21 can be protected. Meanwhile, the protective shell 15 is sleeved on the first frame body 11 and the second frame body 12, so that the battery 22 and the circuit board 21 are further protected by the protective shell 15. And, still through being provided with on first support body 11 and second support body 12 prevent slow-witted structure 161, can avoid first support body 11 and second support body 12 to connect and make mistakes, effectively improved the convenience of assembly. This battery support 1 overall structure is simple, and the function is practical, and design benefit nature is good, has solved battery 22 and circuit board 21 well and has received great pressure in the product, has the problem of certain potential safety hazard.

As shown in fig. 3 to 5, the embodiment of the invention further provides a battery module 2, which includes a circuit board 21, a battery 22, a bus bar 23, and the battery holder 1. The plurality of batteries 22 are provided, and the bus bar 23 is connected to each battery 22 and electrically connected to the circuit board 21. Each battery 22 is disposed in the mounting space 14, and the circuit board 21 is mounted in the fixing chamber 13. The bus bar 23 is typically made of a conductive material (e.g., nickel tape) for connection to the respective cells 22 and for electrical connection to the circuit board 21 to achieve the desired electrical parameter performance. This battery module 2 can reliably realize battery 22's fixed through being provided with foretell battery holder 1 to can protect battery 22 and circuit board 21, avoid battery 22 and circuit board 21 directly to bear the impact, solve battery 22 and circuit board 21 and receive great pressure in the product, have the problem of certain potential safety hazard, reliably improve the security that battery module 2 used.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims

1. A battery holder, comprising:

the battery fixing device comprises a first frame body, a second frame body and a plurality of fixing holes, wherein the first frame body is provided with a first connecting piece and a plurality of first fixing holes for fixing batteries, and the first fixing holes are spaced by a preset distance;

the second frame body is provided with a second connecting piece connected with the first connecting piece and a plurality of second fixing holes for fixing the battery, and the second fixing holes are spaced at a preset distance;

the fixed cavity is arranged on the first frame body and/or the second frame body and used for installing a circuit board;

the battery fixing device comprises a first support body, a second support body, a battery, a first fixing hole, a second fixing hole and a battery, wherein an installation space is formed between the first support body and the second support body, the battery is arranged in the installation space, and two ends of the battery are fixed in the first fixing hole and the second fixing hole correspondingly respectively.

2. The battery holder according to claim 1, further comprising a protective shell disposed over an outer surface of the first holder body and the second holder body.

3. The battery holder according to claim 1, further comprising mounting ears for connection to a support member, the mounting ears being disposed on opposite sides of the first holder body and the second holder body.

4. The battery holder according to claim 3, wherein a fool-proof structure is provided on each of the mounting ears.

5. The battery holder according to claim 1, wherein the fixing cavities are provided on the first holder body, and a top surface of the first holder body is recessed inward to form the fixing cavities.

6. The battery holder according to claim 1, wherein each of the first fixing holes communicates with the fixing cavity.

7. The battery holder according to claim 1, wherein one end of the first connecting member is fixed to the first holder body, and the other end of the first connecting member extends toward the inside of the mounting space; one end of the second connecting piece is fixed on the second frame body, and the other end of the second connecting piece extends towards the inside of the mounting space so as to be connected with the first connecting piece.

8. The battery holder according to claim 7, wherein the first connector is provided with a first guide structure at an end thereof connected to the second connector, and the second connector is provided with a second guide structure at an end thereof connected to the first connector, and the first guide structure and the second guide structure are cooperatively connected.

9. The battery support according to any one of claims 1 to 8, further comprising a limiting block for limiting the battery mounting position, wherein the limiting block is disposed on each of the first support body and the second support body.

10. A battery module, comprising:

a circuit board;

a plurality of batteries provided;

the bus bar is connected with each battery and electrically connected with the circuit board;

the battery holder according to any one of claims 1 to 9, each of the batteries being disposed in the mounting space, the circuit board being mounted in the fixing cavity.