CN218827587U

CN218827587U - Battery holder and battery device

Info

Publication number: CN218827587U
Application number: CN202222729048.9U
Authority: CN
Inventors: 赵冬
Original assignee: China Lithium Battery Technology Co Ltd
Current assignee: China Lithium Battery Technology Co Ltd
Priority date: 2022-10-17
Filing date: 2022-10-17
Publication date: 2023-04-07
Anticipated expiration: 2032-10-17

Abstract

The present disclosure relates to the field of battery technology, and more particularly to a battery holder and a battery device, the battery holder includes: the frame comprises a first frame body and a second frame body, wherein the first frame body comprises a first edge and a second edge, the second edge is connected to one end of the first edge, the length direction of the first edge is different from that of the second edge, and the first edge and the second edge are of an integrally formed structure; the second frame body comprises a third edge and a fourth edge, the fourth edge is connected to one end of the third edge, the length direction of the third edge is different from that of the fourth edge, and the third edge and the fourth edge are of an integrally-formed structure; the third edge is far away from one end of the fourth edge and the second edge is far away from one end of the first edge to be connected, and the fourth edge is far away from one end of the third edge and one end of the second edge to be connected. The production efficiency of the battery device can be improved.

Description

Battery holder and battery device

Technical Field

The disclosure relates to the technical field of batteries, in particular to a battery bracket and a battery device.

Background

With the development and progress of the technology, the electric vehicle is increasingly widely applied. Battery devices are often provided in electric vehicles for providing power to the electric vehicles. The battery device comprises a plurality of batteries, and a battery rack is often required to be arranged on the batteries. At present, when the battery frame is installed, the battery needs to be integrally sleeved, the installation is difficult, and the production efficiency of the battery device is low.

It is noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure and therefore may include information that does not constitute prior art that is already known to a person of ordinary skill in the art.

Disclosure of Invention

An object of the present disclosure is to provide a battery holder and a battery device, so as to improve the production efficiency of the battery device to at least a certain extent.

According to an aspect of the present disclosure, there is provided a battery holder including:

the first frame body comprises a first edge and a second edge, the second edge is connected to one end of the first edge, the length direction of the first edge is different from that of the second edge, and the first edge and the second edge are of an integrally formed structure;

the second frame body comprises a third edge and a fourth edge, the fourth edge is connected to one end of the third edge, the length direction of the third edge is different from that of the fourth edge, and the third edge and the fourth edge are of an integrally-formed structure;

wherein, the third side is kept away from the one end of fourth side with the second side is kept away from the one end of first side is connected, the fourth side is kept away from the one end of third side with one side is kept away from the one end connection of second side.

The battery support that this disclosed embodiment provided, including first support body and second support body, first support body includes the first limit and the second limit of integral type, and the second support body includes the third limit and the fourth edge of integral type, and when battery support and battery assembly, the one end and the second limit that the fourth edge was kept away from to the third limit are kept away from the one end on first limit is connected, and the one end that the third edge was kept away from to the fourth edge is connected with the one end that keeps away from the second limit on one side, and it is convenient to connect, can promote battery support's installation effectiveness, and then promotes battery device's production efficiency.

According to another aspect of the present disclosure, there is provided a battery device including:

the above-mentioned battery holder;

the battery is arranged on the battery bracket.

The battery device that this disclosed embodiment provided includes battery holder, includes first support body and second support body in battery holder, and first support body includes the first side and the second limit of integral type, and the second support body includes the third side and the fourth side of integral type, and when battery holder and battery assembly, the one end and the second limit that the fourth side was kept away from to the third side are kept away from the one end on first side is connected, and the one end that the third side was kept away from to the fourth side is connected with the one end that keeps away from the second limit on one side, and it is convenient to connect, can promote battery holder's installation effectiveness, and then promotes battery device's production efficiency.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It is to be understood that the drawings in the following description are merely exemplary of the disclosure, and that other drawings may be derived from those drawings by one of ordinary skill in the art without the exercise of inventive faculty.

Fig. 1 is a schematic view of a battery holder provided in an exemplary embodiment of the present disclosure;

fig. 2 is an exploded schematic view of a battery device provided in an exemplary embodiment of the present disclosure;

fig. 3 is a schematic diagram of a battery provided in an exemplary embodiment of the present disclosure.

Detailed Description

The technical solutions in the exemplary embodiments of the present disclosure will be clearly and completely described below with reference to the drawings in the exemplary embodiments of the present disclosure. The example embodiments described herein are for illustrative purposes only and are not intended to limit the scope of the present disclosure, and it is, therefore, to be understood that various modifications and changes may be made to the example embodiments without departing from the scope of the present disclosure.

In the description of the present disclosure, unless otherwise explicitly specified or limited, the terms "first", "second", and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more; the term "and/or" includes any and all combinations of one or more of the associated listed items. In particular, reference to "the" object or "an" object is also intended to mean one of many such objects possible.

The terms "connected," "secured," and the like are to be construed broadly and unless otherwise stated or indicated, and for example, "connected" may be a fixed connection, a removable connection, an integral connection, an electrical connection, or a signal connection; "connected" may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present disclosure can be understood by those skilled in the art as the case may be.

Further, in the description of the present disclosure, it should be understood that the directional words "upper", "lower", "inner", "outer", etc., which are described in the exemplary embodiments of the present disclosure, are described at the angles shown in the drawings, and should not be construed as limiting the exemplary embodiments of the present disclosure. It will also be understood that, in this context, when an element or feature is referred to as being "on", "under", or "inner", "outer" with respect to another element(s), it can be directly on "," under ", or" inner "," outer "with respect to the other element(s), or indirectly on", "under", or "inner", "outer" with respect to the other element(s) via intervening elements.

An exemplary embodiment of the present disclosure first provides a battery holder, as shown in fig. 1 and 2, including: the first shelf body 21 comprises a first edge 211 and a second edge 212, the second edge 212 is connected to one end of the first edge 211, the length direction of the first edge 211 is different from that of the second edge 212, and the first edge 211 and the second edge 212 are of an integrally-formed structure; the second frame 22 includes a third side 221 and a fourth side 222, the fourth side 222 is connected to one end of the third side 221, the length direction of the third side 221 is different from the length direction of the fourth side 222, and the third side 221 and the fourth side 222 are of an integrally formed structure; the end of the third edge 221 away from the fourth edge 222 is connected with the end of the second edge 212 away from the first edge 211, and the end of the fourth edge 222 away from the third edge 221 is connected with the end of one edge away from the second edge 212.

The battery support that the embodiment of the present disclosure provided, including first support body 21 and second support body 22, first support body 21 includes first limit 211 and the second limit 212 of integral type, second support body 22 includes third limit 221 and the fourth side 222 of integral type, when battery support and battery assembly, the one end that fourth side 222 was kept away from to third limit 221 and the one end that first limit 211 was kept away from to second limit 212 are connected, the one end that third side 221 was kept away from to fourth side 222 and the one end that second limit 212 was kept away from on one side are connected, it is convenient to connect, can promote battery support's installation effectiveness, and then promote battery device's production efficiency.

The following will describe the battery holder provided by the embodiments of the present disclosure in detail:

the first frame body 21 includes a first side 211 and a second side 212, the second side 212 is connected to one end of the first side 211, and the length direction of the first side 211 is different from that of the second side 212, and the first side 211 and the second side 212 are integrally formed.

The first side 211 and the second side 212 of the first frame 21 may be vertically disposed, that is, the first frame 21 may have an L-shaped structure. The first side 211 and the second side 212 are a single-piece structure, for example, the first frame 21 may be formed by injection molding or cutting.

Illustratively, in the embodiment of the present disclosure, the length of the first side 211 is greater than the length of the second side 212, that is, the first side 211 is a long side of the battery rack. At this time, one or more first passages may be disposed on first side 211, and the weight of first side 211 can be effectively reduced by disposing one or more through holes on first side 211, so as to reduce the weight of the battery device and improve the energy density of the battery device.

In an embodiment, the thickness of the second side 212 is greater than the thickness of the first side 211, that is, the thickness of the short side in the battery holder is greater than the thickness of the long side, at this time, one or more through holes may be disposed on the second side 212, or a partially hollowed structure may be disposed on the second side 212, so as to reduce the weight of the second side 212, further reduce the weight of the battery device, and improve the energy density of the battery device.

The second frame 22 includes a third side 221 and a fourth side 222, the fourth side 222 is connected to one end of the third side 221, the length direction of the third side 221 is different from the length direction of the fourth side 222, and the third side 221 and the fourth side 222 are of an integrally formed structure.

The third side 221 and the fourth side 222 of the second frame 22 may be vertically disposed, that is, the second frame 22 may have an L-shaped structure. The third side 221 and the fourth side 222 are formed as a single body, and for example, the second frame 22 may be formed by injection molding or cutting.

Illustratively, in the embodiment of the present disclosure, the length of the third side 221 is greater than the length of the fourth side 222, i.e., the third side 221 is the long side of the battery rack. At this time, one or more through holes may be provided on the third side 221, and the weight of the third side 221 can be effectively reduced by providing one or more through holes on the first side 211, so that the weight of the battery device is reduced, and the energy density of the battery device is improved.

In an embodiment, the thickness of the fourth side 222 is greater than that of the third side 221, that is, the thickness of the short side of the battery holder is greater than that of the long side, and at this time, one or more through holes may be disposed on the fourth side 222, or a partially hollowed structure may be disposed on the fourth side 222, so as to reduce the weight of the fourth side 222, further reduce the weight of the battery device, and improve the energy density of the battery device.

It is noted that in the embodiment of the present disclosure, through holes may be provided at the first side 211 and the third side 221, or at the second side 212 and the fourth side 222. Or through holes may be formed in all of the first edge 211, the third edge 221, the second edge 212, and the fourth edge 222, which is not particularly limited in this disclosure.

The battery holder may be an insulating holder in the embodiment of the present disclosure, that is, the material of the first and

second holders

21 and 22 may be an insulating material. For example, the material of the first frame 21 and the second frame 22 may be ceramic, asbestos, plastic, rubber, resin, or the like. The materials of the first frame 21 and the second frame 22 may be the same or different, and the embodiment of the present disclosure is not particularly limited thereto.

The first frame 21 and the second frame 22 may be connected by a snap connection, the second side 212 and the third side 221 may be snap connected, and the first side 211 and the fourth side 222 may be snap connected. One end of the second side 212 far away from the first side 211 is clamped with one end of the third side 221 far away from the fourth side 222, and one end of the first side 211 far away from the second side 212 is clamped with one end of the fourth side 222 far away from the fourth side 222.

Wherein, the one end of keeping away from first side 211 at second limit 212 sets up first joint portion, and the one end of keeping away from fourth side 222 at third side 221 sets up second joint portion, and the joint of second limit 212 and third side 221 is realized in the cooperation of first joint portion and second joint portion. The first clamping portion may be one of the clamping protrusion and the clamping hole, and the second clamping portion may be the other of the clamping protrusion and the clamping hole.

The end of the first edge 211 far away from the second edge 212 is provided with a third clamping part, the end of the fourth edge 222 far away from the third edge 221 is provided with a fourth clamping part, and the third clamping part and the fourth clamping part are matched to realize clamping of the first edge 211 and the fourth edge 222. Wherein, third joint portion can be one in protruding and the card hole of joint, and fourth joint portion can be another in protruding and the card hole of joint.

Of course, in practical applications, the first frame body 21 and the second frame body 22 may also be connected by gluing or bolting, and the embodiment of the disclosure is not limited thereto. For example, the end of the second side 212 away from the first side 211 may be glued to the end of the third side 221 away from the fourth side 222, and the end of the fourth side 222 away from the third side 221 may be glued to the end of the first side 211 away from the second side 212.

The battery holder is disposed at a side of the battery 10, for example, as shown in fig. 3, the battery 10 may include two end faces 101 disposed opposite to each other and four side faces 102 disposed between the end faces 101, and an area of the end face 101 is larger than an area of the side face 102. The four sides 102 include two long sides and two short sides, and the first side 211 and the third side 221 of the battery holder are opposite to the two long sides of the battery, respectively. The second and

fourth sides

212 and 222 of the battery holder are opposite to the two short sides of the battery, respectively.

In one possible embodiment of the present disclosure, the battery 10 includes a battery body 11 and a flange 12, the battery body 11 is provided with the flange 12 surrounding the battery on the side 102, and the flange 12 can be arranged perpendicular to the side 102 of the battery. On this basis, the inner ring of the battery bracket can be provided with an avoiding groove.

Illustratively, a first avoidance groove is formed in one side, facing the third side 221, of the first side 211, a second avoidance groove is formed in one side, facing the fourth side 222, of the second side 212, a third avoidance groove is formed in one side, facing the first side 211, of the third side 221, a fourth avoidance groove is formed in one side, facing the second side 212, of the fourth side 222, two ends of the first avoidance groove are respectively connected with the second avoidance groove and the fourth avoidance groove, and two ends of the third avoidance groove are respectively connected with the second avoidance groove and the fourth avoidance groove.

Exemplary embodiments of the present disclosure also provide a battery device including: the battery holder and the battery 10 are provided, and the battery 10 is arranged on the battery holder.

Wherein, the battery support includes: the first frame body 21 comprises a first edge 211 and a second edge 212, the second edge 212 is connected to one end of the first edge 211, the length direction of the first edge 211 is different from that of the second edge 212, and the first edge 211 and the second edge 212 are of an integrated structure; the second frame 22 includes a third side 221 and a fourth side 222, the fourth side 222 is connected to one end of the third side 221, the length direction of the third side 221 is different from the length direction of the fourth side 222, and the third side 221 and the fourth side 222 are of an integrated structure; the end of the third edge 221 away from the fourth edge 222 is connected with the end of the second edge 212 away from the first edge 211, and the end of the fourth edge 222 away from the third edge 221 is connected with the end of one edge away from the second edge 212.

The battery device that this disclosed embodiment provided includes the battery holder, include first support body 21 and second support body 22 in the battery holder, first support body 21 includes the first side 211 and the second side 212 of integral type, second support body 22 includes the third side 221 and the fourth side 222 of integral type, when battery holder and battery assembly, the one end that the fourth side 222 was kept away from to third side 221 and the one end that first side 211 was kept away from to second side 212 are connected, the one end that third side 221 was kept away from to fourth side 222 and one end that second side 212 was kept away from on one side are connected, and convenient for connection can promote the installation effectiveness of battery holder, and then promote battery device's production efficiency.

The battery 10 has two end faces 101 arranged oppositely and a side face 102 located between the two end faces 101, the area of the end face 101 is larger than that of the side face 102, and the battery support surrounds the side face 102 of the battery.

When the battery is a rectangular parallelepiped battery, the battery has four side faces 102, and the first side 211, the second side 212, the third side 221, and the fourth side 222 correspond to one side face 102, respectively. The first side 211 and the third side 221 of the battery holder are opposite to the two long sides 102 of the battery, respectively. The second and

fourth sides

212 and 222 of the battery holder are opposite to the two short sides 102 of the battery, respectively.

The side surface 102 of the cell 10 is provided with a convex edge 12 parallel to the end surface 101, the convex edge 12 on the side surface 102 corresponding to the first edge 211 is embedded in a first avoiding groove on the first edge 211, the convex edge 12 on the side surface 102 corresponding to the second edge 212 is embedded in a second avoiding groove on the second edge 212, the convex edge 12 on the side surface 102 corresponding to the third edge 221 is embedded in a third avoiding groove on the third edge 221, and the convex edge 12 on the side surface 102 corresponding to the fourth edge 222 is embedded in a fourth avoiding groove on the fourth edge 222.

The height of the collar 12 on the battery is less than the thickness of the corresponding edge of the battery support, i.e., the collar 12 on the battery does not extend through the battery support, thereby protecting the collar 12 on the battery from rubbing or otherwise impacting against other components (e.g., the housing or the base) to damage the collar 12 of the battery.

For example, the battery 10 may include a housing including a first housing member and a second housing member, the first housing member being a flat plate, the second housing member forming a receiving cavity for receiving the battery cell, and an open end of the second housing member being provided with a flange 12, the flange 12 being welded to the first housing member. On the basis, the avoiding groove can be arranged at the position, close to the edge, of the battery bracket.

Or, be provided with the first chamber that holds on the first casing, be provided with the second on the second casing and hold the chamber, first casing and second casing are connected, and the first chamber that holds and the second chamber that holds form the chamber that holds electric core. The first shell is provided with a first flange, the second shell is provided with a second flange, the first flange is attached to the second flange during installation, and the first flange and the second flange are welded to form a convex edge 12. On this basis, dodge the recess and can locate battery support's middle part.

The battery device in the embodiment of the present disclosure may be a battery assembly, a battery module, or a battery pack. The battery pack refers to a pack structure formed by connecting a battery and a battery holder. The battery module can include a plurality of batteries, overlaps respectively on a plurality of batteries to be equipped with battery holder. The battery pack can comprise a box body and a plurality of batteries, wherein the plurality of batteries are sleeved with a battery bracket, and the plurality of batteries sleeved with the battery bracket are sequentially arranged in the box body.

Wherein, when battery device is the battery module, the battery module can also include end plate and curb plate, and a plurality of batteries once pile up and form the group battery, set up the end plate respectively at the group battery along the both ends that pile up the direction, set up the curb plate respectively along the both sides that pile up the direction at the group battery.

When the battery device is a battery pack, a plurality of batteries can be directly arranged in the box body to form the battery pack, or the batteries are integrated into a battery module firstly and then enter the box body through the battery pack.

The device provided by the embodiment of the disclosure can be applied to an electric vehicle, and when the battery is used for the electric vehicle, the battery device can be a battery pack which is installed on the electric vehicle and provides energy for the electric vehicle.

In practical application, the battery pack can be mounted on a frame of an electric vehicle. The battery pack can be fixedly connected with the frame. Or the battery pack can be a modular battery pack which can be detachably connected to the vehicle body, so that the battery pack is convenient to replace.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the disclosure disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice in the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims

1. A battery holder, comprising:

the end, far away from the fourth edge, of the third edge is connected with the end, far away from the first edge, of the second edge, and the end, far away from the third edge, of the fourth edge is connected with the end, far away from the second edge, of the first edge.

2. The battery holder of claim 1, wherein the second side and the third side are snap-fit.

3. The battery holder of claim 1, wherein said first side and said fourth side are snap-fit.

4. The battery holder of claim 1, wherein the first side and the second side are perpendicular and the third side and the fourth side are perpendicular.

5. The battery support according to claim 1, wherein a first avoidance groove is formed in a side, facing the third edge, of the first edge, a second avoidance groove is formed in a side, facing the fourth edge, of the second edge, a third avoidance groove is formed in a side, facing the first edge, of the third edge, a fourth avoidance groove is formed in a side, facing the second edge, of the fourth edge, two ends of the first avoidance groove are respectively connected with the second avoidance groove and the fourth avoidance groove, and two ends of the third avoidance groove are respectively connected with the second avoidance groove and the fourth avoidance groove.

6. The battery holder of claim 1, wherein said first side has at least one through hole disposed therein and said third side has at least one through hole disposed therein;

and/or, the second edge is provided with at least one through hole, and the fourth edge is provided with at least one through hole.

7. A battery device, characterized in that the battery device comprises:

the battery holder of any one of claims 1-6;

the battery is arranged on the battery bracket.

8. The battery device of claim 7, wherein said battery includes two end surfaces and a plurality of side surfaces, said two end surfaces being disposed opposite each other, said plurality of side surfaces being disposed between said two end surfaces, said end surfaces having an area greater than an area of said side surfaces, said battery support surrounding said battery, and said battery support being opposite said side surfaces.

9. The battery device of claim 8, wherein the battery has four sides, a first side, a second side, a third side, and a fourth side each corresponding to one of the sides.

10. The battery device according to claim 9, wherein a convex edge is provided on a side surface of the battery in parallel with the end surface, the convex edge on a side surface corresponding to the first edge is embedded in the first avoidance groove on the first edge, the convex edge on a side surface corresponding to the second edge is embedded in the second avoidance groove on the second edge, the convex edge on a side surface corresponding to the third edge is embedded in the third avoidance groove on the third edge, and the convex edge on a side surface corresponding to the fourth edge is embedded in the fourth avoidance groove on the fourth edge.