CN220544190U - Insulating support, coupling assembling, battery package and consumer - Google Patents

Abstract

The application discloses insulating support, coupling assembling, battery package and consumer, insulating support are used for connecting the battery monomer, and insulating support includes: a body and an extension; the extension part is connected with at least part of the circumferential edge of the body in a surrounding manner, and extends from the body towards a direction away from the body; the extension part and the body enclose to form a mounting groove, the battery cell is arranged in the mounting groove, and the extension part is at least partially coated on the circumferential side wall of the battery cell. Utilize the insulating support of this application can form insulating isolation to free tip of battery and lateral wall to avoid the battery monomer to take place when expanding and the free overlap joint of battery all around and cause safety problems such as short circuit, fire, help improving the free security performance of battery.

Description

Insulating support, coupling assembling, battery package and consumer

Technical Field

The application belongs to the technical field of batteries, and particularly relates to an insulating support, a connecting assembly, a battery pack and electric equipment.

Background

With the progress and development of society, mobile consumer electronic products are increasingly being sought after and favored by consumers, and batteries are an integral part of electronic products as clean energy suppliers. The battery pack generally comprises a plurality of battery cells, and the connection structure among the plurality of battery cells directly relates to the service performance and the service life of the battery pack.

In the related art, a plurality of battery cells are fixed through a bracket, and are electrically connected by an electrical connection row, so that series-parallel connection among the plurality of battery cells is realized.

However, when a local thermal runaway occurs in the battery pack, the thermal runaway battery cells expand, and the expanded battery cells contact with surrounding battery cells to generate overlap joint, so that safety problems such as short circuit and fire occur between the battery cells.

Disclosure of Invention

The application aims to provide an insulating support, a connecting assembly, a battery pack and electric equipment, and at least one of the problems that the battery monomer in the related art generates lap joint with surrounding battery monomers when expanding, so that the battery monomer is short-circuited, fires and the like is caused.

In order to solve the technical problems, the application is realized as follows:

in a first aspect, embodiments of the present application provide an insulating support for connecting a battery cell, including: a body and an extension;

the extension part is connected with at least part of the circumferential edge of the body in a surrounding mode, and extends from the body towards a direction away from the body; the extension part and the body enclose to form a mounting groove, the battery cell is arranged in the mounting groove, and the extension part is at least partially coated on the circumferential side wall of the battery cell.

Optionally, a protruding portion is disposed on a side of the extending portion facing the mounting groove, and the protruding portion abuts against a circumferential side wall of the battery cell.

Optionally, the number of the protruding portions is set to be multiple, and the protruding portions are arranged at intervals around the mounting groove.

Optionally, a side of the protruding portion facing the mounting groove is set to be an arc surface, and the arc surface is convexly curved from the extending portion toward the mounting groove.

Optionally, the extension portion extends obliquely from the body toward a center of the mounting groove.

Optionally, the body and the extension are an integral piece; and/or the number of the groups of groups,

the protruding part and the extending part are integrated into a whole; and/or the number of the groups of groups,

the body, the extension and the boss are integrally formed.

In a second aspect, embodiments of the present application provide a connection assembly for connecting a battery cell including a pole and a housing insulated from each other, including: an electrical connection, an insulating support as claimed in any one of the preceding claims;

the body is provided with an avoidance hole, and the electric connecting piece at least partially penetrates through the avoidance hole to be electrically connected with the pole column or the shell of the battery cell.

Optionally, the avoiding hole includes a first opening and a second opening that are arranged at intervals, the first opening is arranged opposite to the pole, and the second opening is arranged opposite to the shell;

the electrical connector comprises a first connector and a second connector, wherein the first connector passes through the first opening and is electrically connected with the pole, and the second connector passes through the second opening and is electrically connected with the shell.

Optionally, the body is equipped with first joint portion in the position that is close to first trompil, first connecting piece is equipped with second joint portion, first joint portion with second joint portion joint.

The first clamping part is one of a buckle or a clamping groove, the second clamping part is the other of the buckle or the clamping groove, and the buckle is matched with the clamping groove in a clamping way.

Optionally, the inner wall of the second opening is provided with a clamping table protruding towards the second opening, and the clamping table is at least partially abutted to one side, away from the battery cell, of the second connecting piece.

Optionally, the body is provided with a separation part, the separation part is at least partially connected around the second opening, and the separation part extends from the body to a direction away from the mounting groove.

In a third aspect, an embodiment of the present application provides a battery pack, including: a battery cell, and a connection assembly as described in any of the above;

the battery monomer is provided with a pole, the insulating bracket is connected to one end of the battery monomer provided with the pole, and the electric connecting piece is electrically connected with the pole or the shell of the battery monomer.

In a fourth aspect, an embodiment of the present application provides an electric device, including the battery pack described above.

In the embodiment of the application, through setting up the insulating support and including the body and encircle the extension that the edge set up all around of body, enclose by body and extension and close and form the mounting groove, can locate the mounting groove with the battery monomer, extension at least part cladding in the free circumference lateral wall of battery. Like this, utilize insulating support in this application can form insulating isolation to the free tip of battery and axial lateral wall to avoid the battery monomer when taking place to expand with the free overlap joint of battery all around and cause short circuit, fire scheduling problem, help improving the free security performance of battery.

Additional aspects and advantages of the application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application.

Drawings

The foregoing and/or additional aspects and advantages of the present application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, wherein:

FIG. 1 is one of the schematic views of an insulating support according to an embodiment of the present application;

FIG. 2 is a second schematic view of an insulating support according to an embodiment of the present application;

FIG. 3 is one of the schematic views of an electrical connector according to an embodiment of the present application;

FIG. 4 is a second schematic view of an electrical connector according to an embodiment of the present application;

fig. 5 is a schematic view of a battery cell according to an embodiment of the present application;

FIG. 6 is a schematic diagram of a connection assembly according to an embodiment of the present application;

FIG. 7 is an enlarged view of portion A, circled in FIG. 6, according to an embodiment of the present application;

fig. 8 is a schematic diagram illustrating the cooperation of the first clamping portion and the second clamping portion according to an embodiment of the present application;

fig. 9 is one of the schematic diagrams of a battery pack according to an embodiment of the present application;

fig. 10 is a second schematic view of a battery pack according to an embodiment of the present application.

Reference numerals:

100: an insulating support; 101: a mounting groove; 110: a body; 111: avoidance holes; 111a: a first opening; 111b: a second opening; 112: a first clamping part; 120: an extension; 121: a first end; 122: a second end; 130: a boss; 140: an isolation part; 150: a clamping table; 200: an electrical connection; 201: a pole connection end; 202: a housing connection end; 210: a first connector; 211: a second clamping part; 220: a second connector; 300: a battery cell; 310: a pole; 320: a housing; 400: and a connection assembly.

Detailed Description

Reference will now be made in detail to embodiments of the present application, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functionality throughout. The embodiments described below by referring to the drawings are exemplary only for the purpose of explaining the present application and are not to be construed as limiting the present application. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments herein without making any inventive effort, are intended to be within the scope of the present application.

The features of the terms "first", "second", and the like in the description and in the claims of this application may be used for descriptive or implicit inclusion of one or more such features. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more. Furthermore, in the description and claims, "and/or" means at least one of the connected objects, and the character "/", generally means that the associated object is an "or" relationship.

In the description of the present application, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," etc. indicate orientations or positional relationships based on the orientations or positional relationships illustrated in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be configured and operated in a particular orientation, and therefore should not be construed as limiting the present application.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

Before explaining the insulating support, the connecting component, the battery pack and the electric equipment in the embodiment of the application, specific explanation is made on application scenes of the insulating support, the connecting component and the battery pack in the embodiment of the application:

generally, the battery pack is composed of a plurality of battery monomers, the bottoms of the battery monomers are adhered and fixed on the support, the battery monomer shell and the top polar column have different polarities, and the battery monomer polar column and the shell are respectively connected by using the electric connecting piece, so that serial-parallel connection among the battery monomers is realized, and then electric energy output is realized. Meanwhile, a serpentine cooling pipe is arranged among the plurality of battery cells, and the temperature of the battery cells is regulated by using the cooling pipe.

However, when local thermal runaway occurs in the battery pack, the thermal runaway battery cell generates heat and expands, and because the shell of the battery cell is electrified, the expanded battery cell and surrounding battery cells overlap to cause the problems of short circuit, fire and the like of the battery cell, so that the safety performance of the battery pack is affected.

Therefore, the embodiment of the application provides an insulating support, a connecting assembly, a battery pack and electric equipment, and the insulating support, the connecting assembly, the battery pack and the electric equipment provided by the embodiment of the application are described in detail through specific embodiments and application scenes thereof by combining with the attached drawings.

As shown in fig. 1 and 2, an insulating holder 100 according to some embodiments of the present application for connecting battery cells 300, the insulating holder 100 includes: a body 110 and an extension 120; the extension 120 surrounds at least part of the circumferential edge of the body 110, and the extension 120 extends from the body 110 in a direction away from the body 110; the extension portion 120 and the body 110 enclose to form a mounting groove 101, the battery cell 300 is disposed in the mounting groove 101, and the extension portion 120 at least partially covers the circumferential sidewall of the battery cell 300.

In this embodiment, by providing the insulating support 100 including the body 110 and the extension portion 120 surrounding the peripheral edge of the body 110, the body 110 and the extension portion 120 enclose to form the mounting groove 101, the end portion of the battery cell 300 may be mounted in the mounting groove 101, and the extension portion 120 is at least partially wrapped around the circumferential side wall of the battery cell 300. Like this, utilize insulating support 100 in this application can form insulating isolation to the tip and the axial lateral wall of battery monomer 300 to avoid battery monomer 300 when taking place to expand and the overlap joint with battery monomer 300 all around and cause short circuit, fire scheduling problem, help improving the security performance of battery monomer 300.

The insulating support 100 in the embodiment of the application can be used for being connected with the battery cell 300, and the insulating support 100 has insulating performance and can realize local insulating isolation of the battery cell 300.

It should be noted that the insulating support 100 in the embodiment of the present application may be used to connect different types of battery cells 300, such as a round battery, a square battery, and the like. As shown in fig. 5, the battery cell 300 includes a housing 320, a battery cell is disposed in the housing 320, a pole 310 led out from the battery cell is at least partially leaked out of the housing 320, the pole 310 and the housing 320 are insulated from each other, and the poles 310 and the housing 320 have different polarities.

Specifically, the insulating support 100 includes a body 110 and an extension portion 120, the extension portion 120 is disposed around the peripheral edge of the body 110, the body 110 and the extension portion 120 enclose to form a mounting groove 101, one end of the battery cell 300 provided with a pole 310 is mounted in the mounting groove 101, and the extension portion 120 is wrapped on the circumferential side wall of the battery cell 300. The extension 120 may at least partially abut against an outer sidewall of the battery cell 300, so as to fix the insulating bracket 100 on the battery cell 300.

In the embodiment of the application, the insulating bracket 100 is installed at one end of the battery cell 300 provided with the pole 310, the body 110 of the insulating bracket 100 corresponds to the end of the battery cell 300, and the extending portion 120 surrounding the periphery of the body 110 just covers the circumferential side wall of the battery cell 300. In this way, in the battery pack, the battery cell 300 can be isolated from the surrounding battery cells 300 by the extension 120 of the insulating bracket 100, so that the battery cell 300 is prevented from overlapping with other battery cells 300 when the battery cell 300 expands due to heat.

In a specific application, the escape hole 111 may be provided in the body 110 of the insulating holder 100 so as to electrically connect the battery cell 300 with other components. For example, the escape hole 111 may be provided in the body 110 at a position corresponding to the post 310 so as to be electrically connected to the post 310 through the escape hole 111 by the electric connector 200, and the electric connector 200 may be insulated from the portion of the battery cell 300 except the post 310 by the body 110.

Of course, other opening structures may be provided on the body 110 or the extension 120, so that the battery cell 300 may be connected with other components through the opening structures, and those skilled in the art may perform the setting according to actual use needs, which is not limited herein.

In some embodiments, the extension 120 may be provided as an annular structure that is integrally connected around the circumferential edge of the body 110. The extension 120 may also be provided as an arcuate structure that encircles a portion of the circumferential edge that is connected to the body 110.

It can be understood that under the condition that the extension part is partially coated on the circumferential side wall of the battery cell, the extension part is correspondingly coated on the side wall of the part, close to other battery cells, of the battery cell, and further, the extension part can be used for insulating and isolating the two battery cells, so that the two battery cells are prevented from being in direct contact to form lap joint. And on the side wall of the part of the battery monomer which is not close to other battery monomers, an extension part is not required to be arranged, or the extension part adopts a hollowed-out structure, so that the processing materials of the extension part are saved, and the use cost is reduced.

In other embodiments, the insulating support 100 may be made of an insulating material, for example, polyethylene, polyvinyl chloride, polypropylene, nylon, fluororubber, silicone rubber, polyurethane, polyimide, etc., and of course, the insulating support 100 may be made of other insulating materials, and those skilled in the art may choose to use the insulating support according to actual needs.

In some embodiments, the body 110 and the extension 120 of the insulating support 100 may be in a one-piece structure or may be in a split structure. Preferably, the body 110 and the extension portion 120 adopt an integrally formed structure, and the insulating bracket 100 is obtained by integrally processing and forming, so that the actual processing and manufacturing are facilitated, and meanwhile, the connection firmness between the body 110 and the extension portion 120 can be increased.

Alternatively, as shown in fig. 2, a side of the extension 120 facing the mounting groove 101 is provided with a protrusion 130, and the protrusion 130 abuts against a circumferential sidewall of the battery cell 300.

In this embodiment of the present application, be equipped with protruding portion 130 on the extension 120, when insulating support 100 installs on the battery monomer 300, extension 120 cladding is in the circumference lateral wall of battery monomer 300, protruding portion 130 on the extension 120 and the circumference lateral wall butt of battery monomer 300 to firmly fix insulating support 100 on battery monomer 300, thereby can promote the connection fastness between insulating support 100 and the battery monomer 300.

Specifically, the protruding portion 130 is disposed on a side of the extending portion 120 facing the mounting groove 101, the protruding portion 130 extends from the surface of the extending portion 120 into the mounting groove 101, one end of the battery cell 300 provided with the pole 310 is mounted in the mounting groove 101, and the protruding portion 130 abuts against a circumferential side wall of the battery cell 300.

It can be appreciated that, in the insulating support 100 in the embodiment of the present application, the protruding portion 130 on the extension portion 120 is abutted to the battery monomer 300, so that the insulating support 100 can be fixed on the battery monomer 300, meanwhile, the extension portion contacts with the battery monomer 300 through the protruding portion 130, so that the contact area between the extension portion 120 and the battery monomer 300 can be reduced, and further, the heat dissipation of the battery monomer 300 is facilitated.

It should be noted that, the number of the protruding portions 130 disposed on the extending portion 120 may be one or a plurality of protruding portions 130, and the specific number of the protruding portions 130 may be flexibly designed according to the specific use situation of the insulating bracket 100, which is not limited herein.

In some embodiments, the protruding portion 130 and the extending portion 120 of the insulating support 100 are integrally formed, so as to improve the connection strength between the protruding portion 130 and the extending portion 120. Optionally, the body 110, the extension portion 120 and the protruding portion 130 are integrally formed, that is, the insulating support 100 is integrally formed, so that the insulating support 100 is convenient to be formed, and the overall strength of the insulating support 100 can be improved.

Alternatively, as shown in fig. 2, the number of the protrusions 130 is set to be plural, and the plurality of protrusions 130 are arranged at intervals around the mounting groove 101.

In this embodiment, through set up a plurality of bellying 130 on extension 120 around, when battery cell 300 packs into in mounting groove 101, form spacing fixed to battery cell 300 through a plurality of bellying 130 cooperation to promote insulating support 100 and battery cell 300's connection stability and fastness.

It should be noted that, the number and positions of the protruding portions 130 provided on the extending portion 120 may be determined according to the structural dimensions of the insulating bracket 100, and may be set by those skilled in the art according to actual needs, which is not limited in this application.

Alternatively, as shown in fig. 2, the side of the boss 130 facing the mounting groove 101 is provided as an arc surface, which is convexly curved from the extension 120 in a direction away from the extension 120.

In this embodiment, set up the bellying 130 as the cambered surface towards one side of mounting groove 101, when loading into mounting groove 101 or removing from the mounting groove 101 with battery monomer 300, bellying 130 passes through the cambered surface and contacts with the circumference lateral wall of battery monomer 300, when guaranteeing bellying 130 and battery monomer 300 circumference lateral wall butt, reduces bellying 130 and the contact surface of battery monomer 300 to reduce the frictional resistance between bellying 130 and the battery monomer 300, make things convenient for actual installation and dismantlement operation.

Optionally, from said 110 towards the centre of the mounting groove 101. Specifically, the extension portion 120 includes a first end 121 and a second end 122 disposed opposite to each other, the first end 121 is connected to the body 110, the second end 122 extends away from the body 110, and the extension portion 120 gradually contracts from the first end 121 toward the center of the second end 122.

In this embodiment, the extension portion 120 gradually contracts from the first end 121 to the center of the second end 122, that is, the mounting groove 101 is in a necking structure, so that when the insulating support 100 is connected with the battery cell 300, the extension portion 120 can be tightly wrapped on the circumferential side wall of the battery cell 300, thereby improving the connection firmness of the insulating support 100 and the battery cell 300.

For example, the peripheral side wall of the extension portion 120 may have a tapered structure, the end of the extension portion 120 close to the body 110 is a first end 121, the end of the extension portion 120 far away from the body 110 is a second end 122, and the outer diameter of the first end 121 is larger than the outer diameter of the second end 122.

As shown in fig. 6, the embodiment of the present application further provides a connection assembly 400 for connecting the battery cells 300, the battery cells 300 including the electrode posts 310 and the housing 320 insulated from each other, the connection assembly 400 including: an electrical connector 200 and the insulating holder 100 in the above embodiment; the body 110 is provided with a through hole 111 (as shown in fig. 1), and at least a portion of the electrical connector 200 passes through the through hole 111 to be electrically connected with the post 310 or the housing 320 of the battery cell 300.

In this embodiment, the connection assembly 400 includes an insulating support 100 and an electrical connector 200, where the insulating support 100 includes a body 110 and an extension portion 120 surrounding the peripheral edge of the body 110, the body 110 and the extension portion 120 enclose to form a mounting groove 101, one end of the battery cell 300 provided with a pole 310 can be mounted in the mounting groove 101, and the extension portion 120 is wrapped on the circumferential side wall of the battery cell 300. Like this, utilize the insulating support 100 of this application can form insulating isolation to the tip and the lateral wall of battery monomer 300 to avoid battery monomer 300 when taking place to expand with battery monomer 300 overlap joint all around and cause short circuit, problem such as fire, help improving the security performance of battery monomer 300.

In a specific application, the electrical connector 200 has electrical conductivity and may be made of an electrically conductive material, for example, copper, iron, aluminum, silver, or the like. The series connection or parallel connection between the different battery cells 300 may be achieved through the electrical connection member 200.

In particular applications, the pole 310 of one cell 300 may be connected to the pole 310 of another cell 300 by an electrical connection 200, or the housing 320 of one cell 300 may be connected to the housing 320 of another cell 300 to achieve a parallel connection of the two cells. The post 310 of one cell 300 may also be connected to the housing 320 of another cell 300 by an electrical connection 200 to achieve a series connection of the two cells.

It is understood that since the terminal 310 and the case 320 of the battery cell 300 have conductivity, other portions of the electrical connector 200 are easily in contact with the case 320 to cause a short circuit when the electrical connector 200 is connected to the terminal 310.

In this embodiment, by disposing the avoidance hole 111 in the body 110 of the electrical connector 200, the avoidance hole 111 corresponds to the post 310 or the housing 320 in the battery cell 300, so that the electrical connector 200 may pass through the avoidance hole 111 to be connected with the post 310 of the battery cell 300, or the electrical connector 200 may pass through the avoidance hole 111 to be connected with the housing 320, and the unconnected portion in the electrical connector 200 may realize insulation and isolation with other areas in the battery cell 300 through the body 110.

Optionally, as shown in fig. 1, the avoidance hole 111 includes a first opening 111a and a second opening 111b that are disposed at intervals, the first opening 111a is disposed opposite to the pole 310, and the second opening 111b is disposed opposite to the housing 320; as shown in fig. 6, the electrical connector 200 includes a first connector 210 and a second connector 220, the first connector 210 is electrically connected to the pole 310 through the first opening 111a, and the second connector 220 is electrically connected to the housing 320 through the second opening 111 b.

In this embodiment, the body 110 is provided with the first opening 111a and the second opening 111b, so that different electrical connectors 200 electrically connect the post 310 and the housing 320 of the target battery cell 300 with other battery cells 300 respectively through corresponding avoidance holes 111, so as to realize serial-parallel connection between the battery cells 300 and surrounding battery cells 300, and avoid short circuit between the post 310 and the housing 320 of the same battery cell 300.

Specifically, by providing the first and second openings 111a and 111b in the body 110 of the electrical connector 200, the first connector 210 electrically connects the post 310 of the target battery cell 300 with other battery cells 300 through the first opening 111a, and the second connector 220 electrically connects the housing 320 of the target battery cell 300 with other battery cells 300 through the second opening 111 b. By providing the first opening 111a and the second opening 111b in the insulating holder 100, respectively, the first connector 210 is separated from the second connector 220, so that the first connector 210 is prevented from being in direct contact with the second connector 220 to cause shorting.

In some embodiments, the first connector 210 and the second connector 220 may have the same or similar structure and each may include a post connection end 201 and a housing connection end 202. The terminal connection end 201 of the first connector 210 passes through the first opening 111a in the insulating bracket 100 to be electrically connected with the terminal 310 of the target battery cell 300, and the housing connection end 202 of the first connector 210 may be electrically connected with the terminal 310 or the housing 320 of the other battery cell 300.

Accordingly, the case connection end 202 of the second connection member 220 is electrically connected with the case 320 of the target battery cell 300 through the second opening 111b in the insulating holder 100, and the post connection end 201 of the second connection member 220 may be electrically connected with the post 310 or the case 320 of the other battery cell 300.

Further, each of the first and second connection members 210 and 220 may include a plurality of post connection terminals 201 and a plurality of case connection terminals 202, and further, serial-parallel connection between the plurality of battery cells 300 may be achieved using the first and second connection members 210 and 220.

It should be noted that, the specific connection manner of the serial-parallel connection between the plurality of battery cells 300 in the battery pack may be set according to actual needs, and the present application is not limited herein.

Optionally, as shown in fig. 1, the body 110 is provided with a first clamping portion 112 near the first opening 111 a; as shown in fig. 4, the first connector 210 is provided with a second clamping portion 211, and the first clamping portion 112 is clamped with the second clamping portion 211.

In this embodiment of the present application, through setting up first joint portion 112 in body 110, set up second joint portion 211 in first connecting piece 210, through the joint cooperation of first joint portion 112 and second joint portion 211 to improve the connection stability of first connecting piece 210 and insulating support 100, also be convenient for simultaneously first connecting piece 210 and insulating support 100's equipment and dismantlement, convenient actual operation is used.

Specifically, the second clamping portion 211 may be disposed at the pole connection end 201 of the first connector 210, and when the pole connection end 201 of the first connector 210 is connected to the pole 310 of the battery cell 300, the second clamping portion 211 is just in clamping fit with the first clamping portion 112.

It should be noted that, the second clamping portion 211 may also be provided at the terminal connection end 201 of the second connector 220, so that a clamping effect may also be achieved between the second connector 220 and the corresponding insulating bracket 100 when the second connector 220 is connected to the terminal 310 of the other battery cell 300.

Optionally, the first clamping portion 211 is one of a fastening structure and a clamping groove structure, and the second clamping portion 211 is the other of the fastening structure and the clamping groove structure, and the fastening structure is in clamping fit with the clamping groove structure. In the embodiment of the application, the first clamping portion 211 and the second clamping portion 211 are arranged to be of a clamping matching structure of a clamping buckle and a clamping groove, so that the structure is simple, and the processing and the use are convenient.

In some embodiments, as shown in fig. 7 and 8, the first clamping portion 112 may be configured as a clamping groove structure, the second clamping portion 211 may be configured as a clamping structure, and when the first connecting member 210 passes through the first opening 111a to be connected with the post 310 of the battery cell 300, the first connecting member 210 may be detachably connected with the insulating support 100 through the clamping cooperation of the clamping groove structure and the clamping structure.

Specifically, as shown in fig. 8, the clamping groove structure as the first clamping portion 112 includes two opposite side walls, and one of the side walls may be configured as a curved surface that is curved and protruded from the body 110 toward the inside of the clamping groove structure. That is, along the depth direction of draw-in groove structure, the draw-in groove structure is the narrow structure in middle of both ends width to utilize the lateral wall can play the spacing fixed to the buckle structure, simultaneously, also make things convenient for the installation and the dismantlement of buckle structure and draw-in groove structure.

Of course, the first clamping portion 112 may be a clamping structure, and the second clamping portion 211 may be a clamping groove structure, so that the clamping structure and the clamping groove structure are in clamping fit.

It should be noted that, other detachable connection structures may be used for the first clamping portion 112 and the second clamping portion 211, so as to achieve the detachable connection between the first connector 210 and the insulating bracket 100. The specific structures of the first clamping portion 112 and the second clamping portion 211 may be set by those skilled in the art according to actual needs, which is not limited herein.

Alternatively, as shown in fig. 1, 2 and 6, the inner wall of the second opening 111b is provided with a clamping platform 150 protruding toward the inside of the second opening 111b, and the clamping platform 150 is at least partially abutted against one side of the second connecting piece 220 facing away from the battery cell 300.

In this embodiment, by arranging the clamping table 150 protruding toward the inside of the second opening 111b on the inner wall of the second opening 111b, when the second connecting piece 220 passes through the second opening 111b to be connected with the housing 320 of the battery cell 300, the clamping table 150 is abutted to one side of the second connecting piece 220, which is away from the battery cell 300, so that the second connecting piece 220 and the housing 320 can be in close contact, and the electrical connection stability of the second connecting piece 220 and the housing 320 is improved.

Specifically, the housing connecting end 202 of the second connecting member 220 passes through the second opening 111b to be connected with the housing 320 of the battery unit 300, and abuts against a side of the housing connecting end 202 facing away from the battery unit 300 through the clamping table 150, so as to press and fix the housing connecting end 202 on the housing 320 of the battery unit 300, so that the housing connecting end 202 is attached to the housing 320.

Alternatively, as shown in fig. 1 and 6, the body 110 is provided with a separation portion 140, the separation portion 140 is at least partially connected around the second opening 111b, and the separation portion 140 extends from the body 110 in a direction away from the mounting groove 101.

In the embodiment of the present application, the isolation portion 140 is disposed around the second opening 111b on the body 110 to increase the creepage distance between the first opening 111a and the second opening 111b, so as to improve the electrical safety between the first connector 210 and the second connector 220.

Specifically, the isolation portion 140 is disposed around the second opening 111b at a side of the body 110 away from the battery cell 300, where the isolation portion 140 is at least partially located between the first opening 111a and the second opening 111b, and the isolation portion 140 protrudes from the surface of the body 110 in a direction away from the battery cell 300, so as to increase the creepage distance between the first opening 111a and the second opening 111 b.

Meanwhile, the isolation part 140 can play a role in blocking and isolating the first connecting piece 210 and the second connecting piece 220, and the problem of short circuit caused by the relative approaching of the first connecting piece 210 and the second connecting piece 220 in the using process of the battery pack can be avoided.

Optionally, as shown in fig. 9 and 10, an embodiment of the present application further provides a battery pack, including: a battery cell 300, and a connection assembly 400 in the above-described embodiments; the insulating holder 100 is connected to one end of the battery cell 300 provided with the pole 310, and the electrical connector 200 is electrically connected to the pole 310 or the housing 320 of the battery cell 300.

In this embodiment, the serial-parallel connection between a plurality of battery monomers 300 can be realized through the connection assembly 400, the connection assembly 400 includes the insulating support 100 and the electric connector 200, wherein, the insulating support 100 includes the body 110 and the extension 120 that encircles the peripheral edge of body 110 and set up, enclose by body 110 and extension 120 and close and form mounting groove 101, can install the one end that battery monomer 300 was equipped with utmost point post 310 in mounting groove 101, extension 120 cladding is in the circumference lateral wall of battery monomer 300. Like this, utilize the insulating support 100 of this application can form insulating isolation to the tip and the lateral wall of battery monomer 300 to avoid battery monomer 300 when taking place to expand with battery monomer 300 overlap joint all around and cause short circuit, problem such as fire, help improving the security performance of battery monomer 300.

Specifically, the battery pack may include a plurality of battery cells 300, and the insulating holder 100 may be mounted at one end of each battery cell 300 provided with the pole 310, thereby insulating the end and the sidewall of the battery cell 300 using the extension 120 of the insulating holder 100. Meanwhile, by providing the escape holes 111 in the body 110 of the insulating holder 100, serial-parallel connection between the different battery cells 300 is achieved using the electric connection member 200.

In addition, by providing a separate insulating holder 100 at the end of each battery cell 300 in the battery pack, the actual installation and use are facilitated, and the influence of accumulated errors on the installation accuracy during the installation process is avoided.

Optionally, an embodiment of the present application further provides an electric device, including the battery pack in the above embodiment.

In this embodiment, the serial-parallel connection between a plurality of battery monomers 300 can be realized through the connection assembly 400, the connection assembly 400 includes the insulating support 100 and the electric connector 200, wherein, the insulating support 100 includes the body 110 and the extension 120 that encircles the peripheral edge of body 110 and set up, enclose by body 110 and extension 120 and close and form mounting groove 101, can install the one end that battery monomer 300 was equipped with utmost point post 310 in mounting groove 101, extension 120 cladding is in the circumference lateral wall of battery monomer 300. Like this, utilize the insulating support 100 of this application can form insulating isolation to the tip and the lateral wall of battery monomer 300 to avoid battery monomer 300 when taking place to expand with battery monomer 300 overlap joint all around and cause short circuit, problem such as fire, help improving the security performance of battery monomer 300.

It may be appreciated that, in the embodiment of the present application, the battery pack may be used as a power source in the electric device to supply power to other components in the electric device, where the electric device may include: vehicles, aircraft, wearable devices, computers, headphones, communications devices, and the like.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present application have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the application, the scope of which is defined by the claims and their equivalents.

Claims (14)

1. An insulating support for connecting battery cells, comprising: a body and an extension;

the extension part is connected with at least part of the circumferential edge of the body in a surrounding mode, and extends from the body towards a direction away from the body; the extension part and the body enclose to form a mounting groove, the battery cell is arranged in the mounting groove, and the extension part is at least partially coated on the circumferential side wall of the battery cell.

2. The insulating holder according to claim 1, wherein a protruding portion is provided on a side of the extension portion facing the mounting groove, the protruding portion abutting against a circumferential side wall of the battery cell.

3. The insulating bracket according to claim 2, wherein the number of the protruding portions is plural, and the plurality of protruding portions are arranged at intervals around the mounting groove.

4. The insulating holder according to claim 2, wherein a side of the protruding portion facing the mounting groove is provided as an arc surface, the arc surface being convexly curved from the extending portion toward the mounting groove.

5. The insulating support of claim 1, wherein the extension extends obliquely from the body toward a center of the mounting slot.

6. The insulating support as claimed in any one of claims 2 to 4, wherein,

the body and the extension part are integrated into a whole; and/or the number of the groups of groups,

the protruding part and the extending part are integrated into a whole; and/or the number of the groups of groups,

the body, the extension and the boss are integrally formed.

7. A connection assembly for connecting a battery cell including a pole and a housing insulated from each other, comprising: an electrical connection member, an insulating support as claimed in any one of claims 1 to 6;

the body is provided with an avoidance hole, and the electric connecting piece at least partially penetrates through the avoidance hole to be electrically connected with the pole column or the shell of the battery cell.

8. The connection assembly of claim 7, wherein the relief hole comprises first and second spaced apart openings, the first opening being disposed opposite the post and the second opening being disposed opposite the housing;

the electrical connector comprises a first connector and a second connector, wherein the first connector passes through the first opening and is electrically connected with the pole, and the second connector passes through the second opening and is electrically connected with the shell.

9. The connection assembly of claim 8, wherein the body is provided with a first clamping portion adjacent to the first opening, the first connector is provided with a second clamping portion, and the first clamping portion is clamped with the second clamping portion.

10. The connection assembly of claim 9, wherein the first clamping portion is one of a snap structure or a snap groove structure, and the second clamping portion is the other of the snap structure or the snap groove structure, and the snap structure is in snap fit with the snap groove structure.

11. The connection assembly according to claim 8, wherein the inner wall of the second opening is provided with a clamping table protruding inwards towards the second opening, and the clamping table is at least partially abutted against one side of the second connecting piece, which is away from the battery cell.

12. The connection assembly according to any one of claims 8 to 11, wherein a spacer is provided on the body, the spacer is at least partially circumferentially connected around the second opening, and the spacer extends from the body in a direction away from the mounting groove.

13. A battery pack, comprising: a battery cell, and a connection assembly according to any one of claims 7 to 12;

the battery monomer is provided with a pole, the insulating bracket is connected to one end of the battery monomer provided with the pole, and the electric connecting piece is electrically connected with the pole or the shell of the battery monomer.

14. A powered device comprising the battery pack of claim 13.