CN219779102U

CN219779102U - Frame assembly, box, battery and power utilization device

Info

Publication number: CN219779102U
Application number: CN202321712270.6U
Authority: CN
Inventors: 王天军
Original assignee: Contemporary Amperex Technology Co Ltd
Current assignee: Contemporary Amperex Technology Co Ltd
Priority date: 2023-07-03
Filing date: 2023-07-03
Publication date: 2023-09-29
Anticipated expiration: 2033-07-03

Abstract

The application relates to the technical field of batteries, in particular to a frame assembly, a box body, a battery and an electric device. According to the technical scheme, the support piece is arranged in the frame body, the stress transfer piece is arranged on the mounting body and is abutted against the support piece, so that the transmission path of external force is increased, and the whole transmission path is longer due to the addition of a new transmission path. Therefore, the external acting force can be dispersed, impact of the external acting force on the frame assembly is weakened, and the reliability of connection between the mounting piece and the frame is improved. When the frame assembly is used for a battery, the reliability of the battery can be effectively improved.

Description

Frame assembly, box, battery and power utilization device

Technical Field

The application relates to the technical field of batteries, in particular to a frame assembly, a box body, a battery and an electric device.

Background

In the case where the battery is subjected to an external force, an excessive external force may affect the reliability of the battery structure.

Disclosure of Invention

Based on the above, the application provides a frame assembly, a box body, a battery and an electric device, which can relieve the reliability problem of a battery module structure caused by overlarge external stress on the battery.

In a first aspect, the present application provides a frame assembly comprising a frame and a mounting hole. The frame comprises a frame body and a supporting piece, wherein the frame body is provided with a hollow cavity and a mounting hole communicated with the cavity, and the supporting piece is arranged in the cavity. The mounting piece includes mounting body and stress transfer piece, and mounting hole department is located to the mounting body lid, and the one side of mounting body towards the cavity is located to the stress transfer piece, and at least part of stress transfer piece is located the cavity and butt in support piece.

In the technical scheme of the embodiment of the application, the mounting body is covered at the mounting hole of the frame body, the supporting piece is arranged in the cavity of the frame body, the stress transfer piece is arranged on one side of the mounting body facing the cavity, and the stress transfer piece is abutted with the supporting piece. The design is that when the installation body receives external force, one part of the external force is transmitted to the part of the frame body which is in contact with the installation body, the other part is transmitted to the supporting piece through the stress transfer piece, and then the other part is transmitted to the part of the frame body which is not in contact with the installation body through the supporting piece. Therefore, not only is the external acting force dispersed, but also the transmission path of the external acting force is prolonged, and the impact of the external acting force on the frame assembly is further weakened, so that the reliability of connection between the mounting piece and the frame is improved. When the frame assembly is used for a battery, the reliability of the battery can be effectively improved.

In some embodiments, the support has a support surface and the stress transfer member has an abutment surface, the support surface and the abutment surface abutting each other. Through setting up supporting surface and butt face, dispose the mode of face butt with the butt form between support piece and the stress adapter into, can increase the butt area, not only can further improve the butt stability between support piece and the stress adapter, still be favorable to transferring external effort more.

In some embodiments, the support has a plurality of connection ends, each connection end being connected to an inner wall of a corresponding cavity. So, through setting up a plurality of link, not only can further improve support piece's stability, can also shift the external effort to on the cavity inner wall of correspondence via the link that corresponds, and then more be favorable to the dispersion of external effort.

In some embodiments, one of the plurality of connection ends is connected to an inner wall of the cavity opposite the mounting hole. Since the opposite inner walls are relatively far from the mounting holes, the transmission path of the external force can be further prolonged, so that the external force can be dispersed more advantageously.

In some embodiments, one of the plurality of connection terminals is a first connection terminal and the other connection terminal is a second connection terminal. The first connecting end and the second connecting end are oppositely arranged and are respectively connected to the inner walls of the corresponding cavities. The support member extends from the first connecting end to the second connecting end and is abutted against the stress transfer member. The opposite ends of the part of the support piece, which is abutted with the stress transfer piece, are the first connecting end and the second connecting end respectively, so that the stability of the part of the support piece, which is abutted with the stress transfer piece, is higher, and the external acting force is transferred more favorably.

In some embodiments, the first connection end points to the direction of the second connection end and is perpendicular to the opening direction of the mounting hole; alternatively, one of the first connection end and the second connection end is closer to the mounting hole than the other. Therefore, the arrangement form of the part, which is abutted against the stress transfer piece, of the support piece relative to the mounting hole can be flexibly set, and the external acting force can be transferred conveniently.

In some embodiments, the mounting member further includes a first stiffener coupled to the mounting body and the stress transfer member, respectively. Thus, the stability and reliability of the stress transfer member can be improved by providing the first reinforcing member.

In some embodiments, the frame body is further provided with a mounting hole in communication with the cavity, the mounting hole being located on a different side of the frame body than the mounting hole. Thus, by providing the fitting hole on the side different from the fitting hole, the space around the frame body can be more effectively utilized for fitting.

In some embodiments, the plurality of fitting holes are provided, and the plurality of fitting holes are provided at intervals from each other in the preset direction. By arranging a plurality of spaced assembly holes, different parts can be assembled respectively, and the strength at the assembly holes can be further improved compared with the mode of assembling different parts through one assembly hole.

In some embodiments, along a preset direction, a spacer is defined between two adjacent assembly holes, and the spacer is connected with the support member; and/or the assembly holes are positioned on adjacent sides of the frame body. In this way, by connecting the spacer with the support, the external force can be transmitted to the side wall of the avoidance groove via the spacer, and then to the inner wall of the cavity opposite to the mounting hole. Thus, the transmission path of the external force can be further increased, and the transmission path is also relatively long, which is also advantageous for dispersing the external force. Through setting up mounting hole and mounting hole as the adjacent side of frame body, not only can further reduce the required space of assembly, also be convenient for assemble.

In some embodiments, a side surface of the frame body is provided with a relief groove. The bottom wall of the avoidance groove is provided with an assembly hole. From this, through setting up and dodging the recess, can further utilize the cavity of frame plate body, reduce the assembly part that assembles through the pilot hole and occupy the space, and then further make overall structure compacter.

In some embodiments, the frame further comprises a second stiffening member coupled between the support member and the wall of the relief groove. In this way, by providing the second reinforcement, a transmission path of the external force to the wall of the relief groove via the support member, the second reinforcement can be constructed, further facilitating the transfer of the external force. In addition, the second reinforcement can further increase the strength of the support and the wall of the relief groove.

In some embodiments, the frame further comprises a third reinforcement disposed within the cavity, the third reinforcement extending in the same direction as the frame body. Through setting up the third reinforcement in the cavity, not only can effectively utilize the space in the cavity, can also further strengthen the intensity of frame body.

In some embodiments, the third reinforcement is provided with a relief. Therefore, the avoidance part is arranged on the third reinforcing piece, so that the installation of the fitting to be installed in the cavity is facilitated.

In some embodiments, the frame assembly further comprises a connector coupled to the frame body. Therefore, the connecting piece is arranged on the frame body, so that the frame body and the part of the frame assembly to be installed are conveniently connected.

In some embodiments, the connector is located on the same side of the frame body as the mounting hole, and the connector is configured to withstand at least a portion of external stress along the direction of opening of the mounting hole. In this way, the structural strength of the frame assembly can be further improved by the connector resisting external stresses acting at least partially in the vicinity of the mounting hole.

In some embodiments, a plurality of connecting pieces are sequentially arranged at intervals, and mounting holes are formed at intervals between two adjacent connecting pieces. Thus, the mounting hole can be further protected by arranging the mounting hole between two adjacent connecting pieces.

In some embodiments, the frame assembly further comprises a seal disposed between the mounting body and the frame body. By providing the sealing member, the sealing property at the mounting hole can be improved.

In some embodiments, the frame is a unitary structure; and/or the mounting is of unitary construction. In this way, the structural strength of the frame and the mount can be further improved.

In a second aspect, the present application provides a case comprising the frame assembly of any one of the above embodiments and a case body. The frame body is arranged on the edge of the box body in a surrounding mode and is used for limiting an accommodating cavity, the accommodating cavity is used for installing a battery unit, and the installation piece is used for installing a connector connected with the battery unit.

In a third aspect, the present application provides a battery comprising a case according to any one of the above embodiments and a battery cell disposed in the accommodating chamber.

In a fourth aspect, the present application provides an electrical device comprising a battery according to any of the above embodiments, the battery being configured to provide electrical energy.

According to the technical scheme, the support piece is arranged in the frame body, the stress transfer piece is arranged on the mounting body and is abutted against the support piece, so that the transmission path of external force is increased, and the whole transmission path is longer due to the addition of a new transmission path. Therefore, the external acting force can be dispersed, impact of the external acting force on the frame assembly is weakened, and the reliability of connection between the mounting piece and the frame is improved. When the frame assembly is used for a battery, the reliability of the battery can be effectively improved.

The foregoing description is only an overview of the present application, and is intended to be implemented in accordance with the teachings of the present application in order that the same may be more clearly understood and to make the same and other objects, features and advantages of the present application more readily apparent.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the accompanying drawings. In the drawings:

FIG. 1 is a schematic illustration of a vehicle in accordance with some embodiments of the application;

fig. 2 is a schematic exploded view of a battery according to some embodiments of the present application;

fig. 3 is a schematic view illustrating a structure of a battery module according to some embodiments of the present application;

fig. 4 is a schematic exploded view of a battery cell according to some embodiments of the present application;

FIG. 5 is a schematic view of a portion of a case according to some embodiments of the present application;

FIG. 6 is a schematic view of a frame assembly according to some embodiments of the application;

FIG. 7 is a schematic illustration of an exploded view of a frame assembly according to some embodiments of the application;

FIG. 8 is a schematic view of a partial enlarged structure at A in FIG. 7;

FIG. 9 is a partial schematic cross-sectional view of a frame at one perspective in accordance with some embodiments of the application;

FIG. 10 is a partial schematic cross-sectional view of a frame at another perspective in accordance with some embodiments of the application;

FIG. 11 is a schematic view of a mounting member according to some embodiments of the present application;

FIG. 12 is a schematic view of a partially enlarged structure at B in FIG. 11;

FIG. 13 is a schematic partial cross-sectional view of a frame assembly in accordance with some embodiments of the application;

FIG. 14 is a partially schematic exploded view of a frame assembly according to further embodiments of the application;

FIG. 15 is a schematic side view of a cross-sectional structure of a frame assembly in accordance with some embodiments of the application;

FIG. 16 is a schematic view of a frame assembly in a use configuration according to some embodiments of the application;

FIG. 17 is a schematic view of a frame assembly with water-cooled connectors and connectors according to some embodiments of the present application;

FIG. 18 is a schematic view of a frame assembly having connectors, water cooled tubes, water cooled connectors and wiring harnesses according to some embodiments of the present application.

Reference numerals in the specific embodiments are as follows:

Vehicle 1, battery 10, controller 20, motor 30;

battery module 100, battery cell 110, end cap 111, electrode terminal 111a, case 112, and electrode assembly 113;

a housing 200, a first portion 210, a second portion 220, and a frame assembly 230;

the frame 231, the frame body 231a, the cavity Q, the mounting hole k1, the mounting hole p, the spacer j, the avoidance groove x, the bottom wall x1, the side wall x2, the supporting piece 231b, the supporting surface m1, the connecting end D, the first connecting end D1, the second connecting end D2, the second reinforcing piece 231c, the third reinforcing piece 231D, the avoidance part k2;

a mounting member 232, a mounting body 232a, a stress transfer member 232b, an abutment surface m2, a first reinforcing member 232c;

a connecting member 233;

a seal 234;

the connector M, the water-cooling pipe N, the water-cooling joint L and the wire harness S;

the method comprises the following steps of presetting a direction Y, a first direction F1, a second direction F2 and a third direction F3.

Detailed Description

Embodiments of the technical scheme of the present application will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present application, and thus are merely examples, and are not intended to limit the scope of the present application.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "comprising" and "having" and any variations thereof in the description of the application and the claims and the description of the drawings above are intended to cover a non-exclusive inclusion.

In the description of embodiments of the present application, the technical terms "first," "second," and the like are used merely to distinguish between different objects and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated, a particular order or a primary or secondary relationship. In the description of the embodiments of the present application, the meaning of "plurality" is two or more unless explicitly defined otherwise.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment may be included in at least one embodiment of the application. The appearances of such phrases in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those of skill in the art will explicitly and implicitly appreciate that the embodiments described herein may be combined with other embodiments.

In the description of the embodiments of the present application, the term "and/or" is merely an association relationship describing an association object, and indicates that three relationships may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In addition, the character "/" herein generally indicates that the front and rear associated objects are an "or" relationship.

In the description of the embodiments of the present application, the term "plurality" means two or more (including two), and similarly, "plural sets" means two or more (including two), and "plural sheets" means two or more (including two).

In the description of the embodiments of the present application, the orientation or positional relationship indicated by the technical 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. are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the embodiments of the present application.

In the description of the embodiments of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured" and the like should be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; or may be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the embodiments of the present application will be understood by those of ordinary skill in the art according to specific circumstances.

Currently, the application of power batteries is more widespread from the development of market situation. The power battery is not only applied to energy storage power supply systems such as hydraulic power, firepower, wind power and solar power stations, but also widely applied to electric vehicles such as electric bicycles, electric motorcycles, electric automobiles, and the like, and a plurality of fields such as military equipment, aerospace, and the like. With the continuous expansion of the application field of the power battery, the market demand of the power battery is also continuously expanding.

The case of the battery is provided with a relevant frame, mounting holes are formed in the frame, and mounting members are mounted at the mounting holes so that corresponding functional components (e.g., connectors or harnesses, etc.) can be mounted through the mounting members. The strength of the portion of the frame, which is provided with the mounting hole, is weakened, and thus, when the battery is subjected to an excessive external force, the connection between the mounting member and the frame is failed, thereby affecting the reliability of the battery structure.

In order to solve the problem that the reliability of the battery structure is affected due to the failure of the connection between the mounting piece and the frame, the embodiment of the application increases the transmission path of the external force to transfer at least part of the external force and further disperse the received external force, thereby relieving the external force near the mounting hole. Specifically, can add the stress transfer structure of mutually supporting between installed part and frame to at least partial external effort is transferred through the stress transfer structure of mutually supporting, and then has increased the transmission route that transmits external effort through the stress transfer structure of mutually supporting, has realized the dispersion to external effort, and then has improved the connection reliability between installed part and the frame, thereby has improved battery structure's reliability.

In view of this, in order to improve the problem of affecting the reliability of the battery structure due to failure of the connection between the mount and the frame, embodiments of the present application provide a frame assembly in which a stress transfer member is provided on the mount, a support member is provided inside the frame, and a new external force transmission path is constructed by arranging the stress transfer member to abut against the support member, that is, the transmission path of the external force is increased, and thus the external force can be dispersed, improving some of the problems described above.

The frame assembly disclosed by the embodiment of the application is used for a battery, and the battery can be used in electric devices such as vehicles, ships or aircrafts, but is not limited to the batteries. The power supply system having the disclosed battery and other components constituting the power utilization device can be used, which is advantageous in improving the problem of affecting the reliability of the battery structure due to failure of the connection between the mount and the frame.

The embodiment of the application provides an electric device using a battery as a power supply, wherein the electric device can be, but is not limited to, a mobile phone, a tablet, a notebook computer, an electric toy, an electric tool, a battery car, an electric car, a ship, a spacecraft and the like. Among them, the electric toy may include fixed or mobile electric toys, such as game machines, electric car toys, electric ship toys, electric plane toys, and the like, and the spacecraft may include planes, rockets, space planes, and spacecraft, and the like.

For convenience of description, the following embodiments will take an electric device according to an embodiment of the present application as an example of a vehicle.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a vehicle 1 according to some embodiments of the application. The vehicle 1 can be a fuel oil vehicle, a fuel gas vehicle or a new energy vehicle, and the new energy vehicle can be a pure electric vehicle, a hybrid electric vehicle or a range-extending vehicle. The battery 10 is provided in the interior of the vehicle 1, and the battery 10 may be provided at the bottom or at the head or at the tail of the vehicle 1. The battery 10 may be used for power supply of the vehicle 1, for example, the battery 10 may serve as an operating power source of the vehicle 1. The vehicle 1 may also include a controller 20 and a motor 30, the controller 20 being configured to control the battery 10 to power the motor 30, for example, for operating power requirements during start-up, navigation and travel of the vehicle 1.

In some embodiments of the application, the battery 10 may not only serve as an operating power source for the vehicle 1, but also as a driving power source for the vehicle 1, instead of or in part instead of fuel oil or natural gas, to provide driving power for the vehicle 1.

To meet various usage power requirements, the battery 10 may include a plurality of battery cells 110, and the battery cells 110 refer to the smallest units constituting the battery module 100 or the battery pack. A plurality of battery cells 110 may be connected in series and/or parallel via electrode terminals 111a for use in various applications. The battery referred to in the present application includes a battery module 100 or a battery pack. The plurality of battery cells 110 may be connected in series or parallel or in parallel, and the series-parallel refers to a mixture of series and parallel. The battery 10 may also be referred to as a battery pack. In the embodiment of the present application, the plurality of battery cells 110 may directly form a battery pack, or may first form the battery module 100, and then form the battery pack from the battery module 100.

Referring to fig. 2, fig. 2 is a schematic diagram of a battery 10 according to an embodiment of the application. In fig. 2, the battery 10 may include a plurality of battery modules 100 and a case 200, and the plurality of battery modules 100 are accommodated inside the case 200. The case 200 is used to house the battery cell 110 to prevent liquid or other foreign matter from affecting the charge or discharge of the battery cell 110. The case 200 may have a simple three-dimensional structure such as a single rectangular parallelepiped, a cylinder, or a sphere, or a complex three-dimensional structure formed by combining simple three-dimensional structures such as a rectangular parallelepiped, a cylinder, or a sphere, which is not limited in the embodiment of the present application. The material of the case 200 may be an alloy material such as an aluminum alloy or an iron alloy, a polymer material such as polycarbonate or polyisocyanurate foam, or a composite material such as glass fiber and epoxy resin, which is not limited in the embodiment of the present application.

In some embodiments, the case 200 may include a first portion 210 and a second portion 220, the first portion 210 and the second portion 220 being overlapped with each other, the first portion 210 and the second portion 220 together defining a space for accommodating the battery cell 110. The second part 220 may have a hollow structure having one end opened, the first part 210 may have a plate-shaped structure, and the first part 210 covers the opening side of the second part 220 such that the first part 210 and the second part 220 together define a space for accommodating the battery cell 110. The first portion 210 and the second portion 220 may also be hollow structures with one side open, and the open side of the first portion 210 is covered with the open side of the second portion 220.

Referring to fig. 3, fig. 3 is a schematic diagram illustrating a battery module 100 according to an embodiment of the application. In fig. 3, the battery module 100 may include a plurality of battery cells 110, where the plurality of battery cells 110 may be connected in series or parallel or in series-parallel to form the battery module 100, and then the plurality of battery modules 100 may be connected in series or parallel or in series-parallel to form the battery 10. In the present application, the battery cell 110 may include a lithium ion battery 10, a sodium ion battery 10, a magnesium ion battery 10, or the like, which is not limited in the embodiment of the present application. The battery cell 110 may be in a cylindrical shape, a flat shape, a rectangular parallelepiped shape, or other shapes, which is not limited in this embodiment of the application. The battery cell 110 may be in a cylindrical shape, a flat shape, a rectangular parallelepiped shape, or other shapes, which is not limited in this embodiment of the application. For simplicity of description, the following embodiments will take the square battery cell 110 as an example.

Referring to fig. 4, fig. 4 is an exploded view of a battery cell 110 according to some embodiments of the application. The battery cell 110 refers to the smallest unit constituting the battery 10. As shown in fig. 4, the battery cell 110 includes an end cap 111, a case 112, an electrode assembly 113, and other functional components.

The end cap 111 refers to a member that is covered at the opening of the case 112 to isolate the inner environment of the battery cell 110 from the outer environment. Without limitation, the shape of the end cap 111 may be adapted to the shape of the housing 112 to fit the housing 112. Optionally, the end cover 111 may be made of a material (such as an aluminum alloy) with a certain hardness and strength, so that the end cover 111 is not easy to deform when being extruded and collided, so that the battery cell 110 can have higher structural strength, and the safety performance can be improved. The end cap 111 may be provided with functional parts such as electrode terminals 111 a. The electrode terminal 111a may be used to be electrically connected with the electrode assembly 113 for outputting or inputting electric power of the battery cell 110. In some embodiments, a pressure relief mechanism may also be provided on the end cap 111 for relieving the internal pressure when the internal pressure or temperature of the battery cell 110 reaches a threshold. In some embodiments, the end cap 111 may further be provided with a filling hole for filling the inside of the battery cell 110 with an electrolyte. The material of the end cap 111 may be various, such as copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc., which is not particularly limited in the embodiment of the present application. In some embodiments, insulation may also be provided on the inside of the end cap 111, which may be used to isolate electrical connection components within the housing 112 from the end cap 111 to reduce the risk of short circuits. By way of example, the insulation may be plastic, rubber, or the like.

The case 112 is an assembly for mating with the end cap 111 to form an internal environment of the battery cell 110, wherein the formed internal environment may be used to accommodate the electrode assembly 113, an electrolyte (not shown in the drawings), and other components. The case 112 and the end cap 111 may be separate components, and an opening may be provided in the case 112, and the interior of the battery cell 110 may be formed by covering the opening with the end cap 111 at the opening. The end cover 111 and the housing 112 may be integrated, and specifically, the end cover 111 and the housing 112 may form a common connection surface before other components are put into the housing, and when the interior of the housing 112 needs to be sealed, the end cover 111 is covered with the housing 112. The housing 112 may be of various shapes and sizes, such as rectangular parallelepiped, cylindrical, hexagonal prism, etc. Specifically, the shape of the case 112 may be determined according to the specific shape and size of the electrode assembly 113. The material of the housing 112 may be various, such as copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc., which is not particularly limited in the embodiment of the present application.

The electrode assembly 113 is a component in which an electrochemical reaction occurs in the battery cell 110. The case 112 may contain one or more electrode assemblies 113 therein. The electrode assembly 113 is mainly formed by winding or stacking a positive electrode sheet and a negative electrode sheet, and a separator is generally provided between the positive electrode sheet and the negative electrode sheet. The portions of the positive and negative electrode sheets having the active material constitute the main body portion of the electrode assembly 113, and the portions of the positive and negative electrode sheets having no active material constitute tabs (not shown in the drawings). The positive electrode tab and the negative electrode tab may be located at one end of the main body portion together or located at two ends of the main body portion respectively. During charge and discharge of the battery 10, the positive electrode active material and the negative electrode active material react with the electrolyte, and the tab is connected to the electrode terminal 111a to form a current loop. The separator serves to separate the positive electrode sheet and the negative electrode sheet, and to prevent electrons in the battery cell 110 from freely passing therethrough, so that ions in the electrolyte freely flow between the positive electrode sheet and the negative electrode sheet. The separator may be a film member made of PE (polyethylene), PP (polypropylene), or the like.

Referring to fig. 5, fig. 5 is a schematic view illustrating a part of a structure of a case 200 according to some embodiments of the application. The frame assembly 230 provided by embodiments of the present application is disposed in the second portion 220 of the housing 200 illustrated in some of the foregoing embodiments. Of course, the frame assembly 230 may be disposed on the first portion 210 of the case 200 illustrated in the foregoing embodiments according to actual usage requirements, which is not particularly limited in the embodiments of the present application.

As shown in the drawing, a first direction F1 is a height direction of the case 200, a second direction F2 is a width direction of the case 200, and a third direction F3 is a length direction of the case 200. The first direction F1, the second direction F2, and the third direction F3 are perpendicular to each other. It is understood that the first direction F1, the second direction F2 and the third direction F3 are for convenience of description only, and are not limiting of the embodiments of the present application.

Referring to fig. 5 in combination with fig. 6 and fig. 7, fig. 6 is a schematic structural diagram of the frame assembly 230 according to some embodiments of the present application, and fig. 7 is an exploded structural diagram of the frame assembly 230 according to some embodiments of the present application. The frame assembly 230 includes a frame 231 and a mounting hole k1. The frame 231 includes a frame body 231a and a supporting member 231b, the frame body 231a is provided with a hollow cavity Q and a mounting hole k1 communicated with the cavity Q, and the supporting member 231b is disposed in the cavity Q. The mounting member 232 includes a mounting body 232a and a stress transferring member 232b, the mounting body 232a is covered at the mounting hole k1, the stress transferring member 232b is arranged at one side of the mounting body 232a facing the cavity Q, and at least part of the stress transferring member 232b is located in the cavity Q and abuts against the supporting member 231b.

The frame body 231a refers to a frame 231 for mounting other parts in the case 200 of the battery 10, and may be provided with a plurality of through holes, which may facilitate the mounting of other parts while reducing the weight. To meet the use environment and the light weight requirements inside the battery 10, the material of the frame body 231a needs to have both a certain rigidity and a certain deformability. Such as aluminum, steel, etc. The frame body 231a may be a unitary structure or a split-assembled structure. The frame body 231a may employ an associated beam structure. The inside of the frame body 231a is a side facing the receiving space of the case 200 in some of the foregoing embodiments. The outer side of the frame body 231a is opposite to the inner side thereof. The mounting hole k1 may be provided at the outer side of the frame body 231a to facilitate assembly of the relevant components. For example, the mounting hole k1 may be opened at a side outside the frame body 231a in the third direction F3.

The cavity Q is a space formed on the inner surface of the frame body 231a, so that the weight of the frame body 231a can be effectively reduced, and the cavity Q can be connected with the mounting member 232.

Referring to fig. 8 in combination, fig. 8 is a schematic view of a partial enlarged structure at a in fig. 7, where the mounting hole k1 communicates with the cavity Q, and the support member 231b is disposed in the cavity Q, which means that the support member 231b is received in the cavity Q. Referring to fig. 9 and 10 in combination, fig. 9 is a partial schematic view of a cross-sectional structure of a frame 231 at one view angle in some embodiments of the present application, and fig. 10 is a partial schematic view of a cross-sectional structure of a frame 231 at another view angle in some embodiments of the present application, at least a portion of a supporting member 231b is connected to an inner wall of a cavity Q. The inner wall of the cavity Q is the inner surface of the frame body 231 a.

Referring to fig. 11 in combination, fig. 11 is a schematic structural view of a mounting member 232 according to some embodiments of the present application, wherein the mounting member 232 is a member for mounting a functional component (e.g., a joint). Specifically, the aforementioned functional components are mounted on the mounting body 232 a. The mounting body 232a may be detachably mounted at the mounting hole k 1. For example, the mounting body 232a may be fixed at the mounting hole k1 by means of a bolt assembly. Of course, the mounting body 232a may be mounted at the mounting hole k1 in a non-detachable manner. The mounting body 232a may be provided in a substantially plate-like structure as illustrated in fig. 11. The mounting body 232a has two opposite sides, one for mounting the functional components and the other with stress transfer members 232b. In a case where the mounting body 232a is mounted at the mounting hole k1 of the frame body 231a, a side of the mounting body 232a for mounting the aforementioned functional component faces away from the cavity Q. The side of the mounting body 232a provided with the stress transfer member 232b faces the cavity Q, the stress transfer member 232b extends into the cavity Q through the mounting hole k1, and the stress transfer member 232b may be partially or completely located in the cavity Q.

The stress transfer member 232b is a member for transferring stress. The stress transfer member 232b is coupled to the mounting body 232a such that at least a portion of the external force is conducted to the stress transfer member 232b when the mounting body 232a is subjected to the external force.

The support 231b is a member for providing a supporting effect. The support 231b may be provided in a plate-like structure illustrated in fig. 8 to 10. In the case where the supporting member 231b abuts against the stress transfer member 232b, the supporting member 231b can provide a supporting effect to the stress transfer member 232b, improving the stability of the stress transfer member 232 b. Since the support 231b is abutted against the stress transfer member 232b, the external force transmitted through the stress transfer member 232b can be transmitted to the support 231b. Since the supporting member 231b is connected to the inner wall of the cavity Q, the external force transmitted through the supporting member 231b can be transmitted to the inner wall of the cavity Q, and the external force can be further dispersed along the inner wall of the cavity Q. The mounting body 232a is not directly connected to the inner wall of the cavity Q, i.e., a new transmission path of external force is added, and the transmission path is also prolonged as a whole.

At least a portion of the supporting member 231b is connected to the inner wall of the cavity Q, which means that each end of the supporting member 231b may be connected to the inner wall of the cavity Q, or only a portion of the end may be connected to the inner wall of the cavity Q. For example, when the supporting member 231b has two opposite ends, one end thereof may be connected to the inner wall of the cavity Q, and the other end thereof may be suspended in the cavity Q. Of course, both ends may be connected to the inner wall of the chamber Q. May be set according to a specific use case, and the embodiment of the present application is not particularly limited thereto.

Thus, by the mutual cooperation of the stress transfer member 232b and the supporting member 231b, not only the external force is dispersed, but also the transmission path of the external force is newly increased, and the transmission path of the external force is prolonged as a whole, thereby weakening the impact of the external force on the frame assembly 230, and improving the reliability of the connection between the mounting member 232 and the frame 231. When the frame assembly 230 is used for the battery 10, the reliability of the battery 10 can be effectively improved.

Referring to fig. 10 to 12, fig. 12 is a schematic view of a partial enlarged structure at B in fig. 11, the supporting member 231B has a supporting surface m1, and the stress transferring member 232B has an abutting surface m2 according to some embodiments of the present application. Referring to fig. 13 in combination, fig. 13 is a schematic partial cross-sectional view of a frame assembly 230 according to some embodiments of the present application, where a supporting surface m1 and an abutting surface m2 are not shown in fig. 13, and the supporting surface m1 and the abutting surface m2 abut against each other.

It is understood that the product of the abutment surface m2 between the support surface m1 and the abutment surface m2 can be set according to the use requirement. The contact between the support surface m1 and the contact surface m2 may be continuous or discontinuous. Taking the support surface m1 as an example, continuous abutment means that the abutment portion of the support surface m1 is continuous, not intermittent. For example, all of the support surface m1 may abut against all of the abutment surface m2. Discontinuous abutment means that the abutment portion of the support surface m1 is discontinuous and intermittent. For example, the supporting surface m1 may have two portions abutting against the abutting surface m2, and the two portions may be disposed at a spacing. The contact manner of the contact surface m2 may be described with reference to the contact manner of the support surface m1, and will not be described in detail here. For example, fig. 12 illustrates a case where the abutment surface m2 is discontinuous, and the supporting surface m1 and the abutment surface m2 may be planar or non-planar. For example, fig. 10 illustrates a case where the support surface m1 is planar, and fig. 12 illustrates a case where the abutment surface m2 is planar.

In this way, by providing the support surface m1 and the abutment surface m2 and disposing the abutment form between the support 231b and the stress transfer member in the surface abutment manner, the abutment surface m2 can be increased, so that the abutment stability between the support 231b and the stress transfer member can be further improved, and the transfer of external force can be facilitated.

With continued reference to fig. 9 and 10, the support 231b has a plurality of connection ends D, each of which is connected to the inner wall of the corresponding cavity Q. For example, the number of connection terminals D may be two, three, five or other numbers. Fig. 9 and 10 illustrate a case where three connection ends D of the supporting pieces 231b are provided, for example. The connection ends D may be connected to different portions of the inner wall of the cavity Q, so long as the supporting member 231b can abut against the stress transferring member 232b, which is not particularly limited in the embodiment of the present application.

It is understood that, in the case that the supporting member 231b has a plurality of connection ends D, the external force applied by the supporting member 231b can be transmitted to the corresponding portions of the inner wall of the cavity Q through the plurality of connection ends D, so that the external force can be dispersed to more areas.

Thus, by setting a plurality of connection ends D, the stability of the supporting member 231b can be further improved, and the external force can be transferred to the corresponding inner wall of the cavity Q via the corresponding connection end D, thereby being more beneficial to the dispersion of the external force.

With continued reference to fig. 9 and 10, one of the plurality of connection terminals D is connected to an inner wall of the cavity Q opposite to the mounting hole k1 according to some embodiments of the present application.

In this way, since the opposite inner walls are relatively far from the mounting hole k1, the transmission path of the external force can be further extended, and the external force on the outer side of the frame body 231a can be further transmitted to the inner side of the frame body 231a, so that the inner side of the frame body 231a participates in dispersing the external force, thereby being more beneficial to dispersing the external force.

Referring to fig. 9 and 10, one of the connection terminals D is a first connection terminal D1, and the other connection terminal D is a second connection terminal D2. The first connecting end D1 and the second connecting end D2 are disposed opposite to each other and are respectively connected to the inner wall of the corresponding cavity Q. The portion of the supporting member 231b extending from the first connecting end D1 to the second connecting end D2 abuts against the stress transferring member 232 b.

Since the opposite ends of the portion of the supporting member 231b abutting against the stress transferring member 232b are the first connecting end D1 and the second connecting end D2, respectively, that is, the portion of the supporting member 231b is more stable, so that the stability of the portion of the supporting member 231b abutting against the stress transferring member 232b is higher, thereby being more beneficial to transferring external force. Furthermore, the support surface m1 illustrated in some of the foregoing embodiments is also facilitated by the support 231b of this form.

According to some embodiments of the present application, please continue to refer to fig. 9 and 10, the first connecting end D1 points in the direction of the second connecting end D2, and the opening direction of the mounting hole k1 is perpendicular to each other. Taking fig. 9 and 10 as an example, in the case where the portion of the supporting member 231b located at the first connection end D1 and the second connection end D2 is disposed to extend straight, the extending direction of the portion of the supporting member 231b located at the first connection end D1 and the second connection end D2 is the first direction F1, and the opening direction of the mounting hole k1 is the third direction F3. Of course, one of the first and second connection ends D1 and D2 may be closer to the mounting hole k1 than the other, and the supporting member 231b between the first and second connection ends D1 and D2 may be inclined with respect to the first direction F1.

In this way, the arrangement of the portion of the support 231b abutting the stress transfer member 232b with respect to the mounting hole k1 can be flexibly set to facilitate transfer of the external force.

With continued reference to fig. 11 and 12, according to some embodiments of the present application, the mounting member 232 further includes a first reinforcing member 232c, the first reinforcing member 232c being coupled to the mounting body 232a and the stress transferring member 232b, respectively.

It is understood that the first reinforcement 232c may be provided in the form of a reinforcing rib. Taking fig. 11 and 12 as an example, the first reinforcement 232c may be provided in plurality, and the plurality of first reinforcements 232c may be sequentially spaced apart in the first direction F1. The stress transfer member 232b may be provided with first reinforcing members 232c on both sides in the first direction F1. The first reinforcing members 232c disposed at both sides of the stress transfer member 232b along the first direction F1 may be symmetrically disposed or asymmetrically disposed. The mounting body 232a, the stress transfer member 232b, and the first reinforcing member 232c may be of a unitary structure or of a split structure. The integrated structure is manufactured through an integrated forming related process, and the split structure is a structure for connecting different parts together.

In this way, the stability and reliability of the stress transfer member 232b can be improved by providing the first reinforcing member 232c. Accordingly, the desired reinforcement can also be achieved by configuring the location, number and form of the first reinforcement 232c.

With continued reference to fig. 8, 9 and 13, according to some embodiments of the present application, the frame body 231a is further provided with a mounting hole p in communication with the cavity Q, and the mounting hole p and the mounting hole k1 are located on different sides of the frame body 231 a.

By providing the fitting hole p on the different side from the fitting hole k1 in this way, the space around the frame body 231a can be more effectively used for fitting.

According to some embodiments of the present application, referring to fig. 8, 9 and 13, the assembly holes p are provided in plurality, and the plurality of assembly holes p are spaced apart from each other along the predetermined direction Y. The preset direction Y and the second direction F2 are illustrated as being parallel to each other.

In this way, by providing a plurality of spaced mounting holes p, different components can be mounted respectively, and strength at the mounting holes p can be further improved as compared with a manner in which different components are mounted through one mounting hole p.

According to some embodiments of the present application, please continue to refer to fig. 8, 9 and 13, along the predetermined direction Y, a spacer j is defined between two adjacent assembly holes p, and the spacer j is connected to the supporting member 231 b.

By connecting the spacer j to the support 231b in this way, the external force can be transmitted to the side wall x2 of the escape groove x via the spacer j and then to the inner wall of the cavity Q opposite to the mounting hole k 1. Thus, the transmission path of the external force can be further increased, and the transmission path is also relatively long, which is also advantageous for dispersing the external force.

With continued reference to fig. 8, 9 and 13, the mounting holes p and the mounting holes k1 are located on adjacent sides of the frame body 231a according to some embodiments of the present application.

In this way, by providing the fitting hole p and the mounting hole k1 as the adjacent sides of the frame body 231a, not only the space required for fitting can be further reduced, but also fitting can be facilitated.

With continued reference to fig. 8, 9, 10 and 13, according to some embodiments of the present application, a side surface of the frame body 231a is provided with a relief groove x. The bottom wall x1 of the avoidance groove x is provided with an assembly hole p. Of course, the number and arrangement of the assembly holes p may refer to the situation illustrated in the foregoing embodiments, and will not be described herein.

Therefore, by arranging the avoidance groove x, the cavity Q of the plate body of the frame 231 can be further utilized, the space occupied by the assembly parts assembled through the assembly holes p is reduced, and the whole structure is further more compact.

With continued reference to fig. 8, 9 and 13, according to some embodiments of the present application, the frame 231 further includes a second reinforcement 231c, and the second reinforcement 231c is connected between the support 231b and the wall of the relief groove x. The second reinforcement 231c may be connected to the bottom wall x1 of the escape recess x, may be connected to the side wall x2 of the escape recess x, and may be connected to the bottom wall x1 and the side wall x2 of the escape recess x, which is not particularly limited in the embodiment of the present application.

In this way, by providing the second reinforcement 231c, a transmission path of the external force to the wall of the escape groove x via the support 231b, the second reinforcement 231c can be constructed, further facilitating the transfer of the external force. In addition, the second reinforcement 231c can further improve the strength of the supporting member 231b and the wall of the escape groove x.

In the case illustrated in fig. 8, 9, and 13, the spacer j and the second reinforcement 231c are the same member. That is, it can be understood that the bottom wall x1 of the avoidance groove x is provided with the fitting hole p where the second reinforcement 231c is provided, the second reinforcement 231c spacing the fitting hole p into the plurality of fitting holes p. Of course, it is also understood that a portion of the supporting member 231b constitutes a portion of the side wall x2 of the escape recess x. For another example, it is also understood that one end of the supporting member 231b is connected to the junction of the bottom wall x1 and the side wall x2 of the escape groove x. In the case of the arrangement shown in fig. 8, 9 and 13, the space of the cavity Q can be further effectively utilized, so that the overall structure is more compact and the overall structural strength is improved.

With continued reference to fig. 9, 10 and 13, according to some embodiments of the present application, the frame 231 further includes a third reinforcement 231d disposed in the cavity Q, and an extending direction of the third reinforcement 231d is the same as an extending direction of the frame body 231 a. That is, in the illustrated case, the extending direction of the third reinforcement 231d and the extending direction of the frame body 231a are both the second direction F2. The number of the third reinforcement 231d may be set according to the space of the cavity Q, for example, the number of the third reinforcement 231d may be one, two, three, or other numbers. In the case illustrated in fig. 9, 10 and 13, the number of the third stiffeners 231d is two, and are arranged at intervals along the first direction F1. The third reinforcement 231d may be provided in a plate-like structure, for example.

In this way, by providing the third reinforcement 231d in the cavity Q, not only the space in the cavity Q can be effectively utilized, but also the strength of the frame body 231a can be further reinforced.

With continued reference to fig. 9, 10 and 13, the third reinforcing member 231d is provided with a relief portion k2 according to some embodiments of the present application. The relief portion k2 may be provided in a through hole structure as illustrated in the drawings, or may be provided in a recessed structure, which is not particularly limited in the embodiment of the present application. In the case where a plurality of third stiffeners 231d are provided, the relief portions k2 may be provided in the corresponding third stiffeners 231 d. For example, in fig. 9, 10 and 13, the relief portion k2 is provided on the third reinforcement 231d closer to the relief groove x in the first direction F1. The number of avoiding portions k2 may be set according to actual use requirements. For example, in fig. 9, 10 and 13, two relief portions k2 are provided on the third reinforcement 231d closer to the relief groove x at intervals in the second direction F2 in order. Further, the position of the avoidance portion k2 may be adapted to the fitting hole p on the avoidance groove x.

In this way, by providing the escape portion k2 on the third reinforcing member 231d, the fitting to be mounted in the cavity Q is facilitated.

Referring to fig. 14 and 15, fig. 14 is a schematic diagram illustrating a partial exploded structure of a frame assembly 230 according to another embodiment of the present application, and fig. 15 is a schematic side view illustrating a cross-sectional structure of the frame assembly 230 according to another embodiment of the present application. The frame assembly 230 further includes a connection member 233 connected with the frame body 231 a. The connecting member 233 may be provided with a corresponding structure for facilitating assembly.

Thus, by providing the connection member 233 on the frame body 231a, it is convenient to connect the frame body 231a with the part of the frame assembly 230 where it is to be installed.

According to some embodiments of the present application, please continue to refer to fig. 14 and 15, the connecting piece 233 and the mounting hole k1 are located on the same side of the frame body 231a, and the connecting piece 233 is configured to resist at least part of the external stress along the opening direction of the mounting hole k1.

In this way, the structural strength of the frame assembly 230 can be further improved by the connection member 233 to withstand at least part of the external stress acting near the mounting hole k1.

With continued reference to fig. 14 and 15, according to some embodiments of the present application, a plurality of connecting members 233 are sequentially arranged at intervals, and a mounting hole k1 is formed at an interval between two adjacent connecting members 233. Referring to fig. 5 and 6 in combination, the connection member 233 may be provided with two. The number of the connection pieces 233 may be set according to a specific use case, and the embodiment of the present application is not particularly limited.

In this way, by providing the position of the mounting hole k1 between the adjacent two connectors 233, the mounting piece 232 at the mounting hole k1 can be further protected.

With continued reference to fig. 14, according to some embodiments of the present application, the frame assembly 230 further includes a seal 234, the seal 234 being disposed between the mounting body 232a and the frame body 231 a. The sealing member 234 may be provided in the form of a gasket, and may be made of a foamed silicone rubber material. The shape of the seal 234 may be adapted to the shape of the mounting body 232 a. For example, when the mounting body 232a is configured in a square plate-like structure, the seal 234 may be a square frame.

In this way, by providing the seal 234, the sealability at the mounting hole k1 can be improved.

With continued reference to fig. 6, 7 and 13, the frame 231 is a unitary structure according to some embodiments of the present application; and/or the mounting 232 is a unitary structure. Illustratively, the frame 231 may be an extrusion and the mounting member 232 may be a die cast molding.

In this way, the structural strength of the frame 231 and the mount 232 can be further improved.

The frame assembly 230 provided by embodiments of the present application is described below with reference to the foregoing embodiments and the associated drawings.

Referring to fig. 16, fig. 16 is a schematic structural diagram of a frame assembly 230 in a use state according to some embodiments of the present application, a water cooling pipe N may be disposed at a position of the avoiding groove x, and a plurality of battery cells 110 are disposed at an inner side of the frame body 231 a. Therefore, the water cooling pipe N is installed by utilizing the avoiding groove x, and the water cooling pipe N is convenient to install.

Referring to fig. 17, fig. 17 is a schematic diagram of a structure of a frame assembly 230 with a water-cooled connector L and a connector M according to some embodiments of the present application, and a side of a mounting body 232a facing away from a frame body 231a is provided with the connector M and the water-cooled connector L.

Referring to fig. 18, fig. 18 is a schematic structural diagram of a frame assembly 230 according to some embodiments of the present application, in which a connector M, a water-cooled tube N, a water-cooled joint L and a wire harness S are provided on the frame assembly 230, and in the case that three assembly holes p are provided at intervals on a bottom wall x1 of the avoidance groove x, the assembly hole p located in the middle may be used for assembling the wire harness S, and the other two assembly holes p may be used for assembling the water-cooled tube N. Specifically, the water-cooled tube N is installed in the avoidance groove x, and one end of the water-cooled tube N extends into the cavity Q of the frame body 231a through the corresponding assembly hole p and is connected with the water-cooled joint L on the installation body 232 a. One end of the wire harness S extends into the cavity Q of the frame body 231a through the corresponding assembly hole p and is connected with the connector M on the mounting body 232a, the connector M is used for electrically connecting with an external corresponding component, and the other end of the wire harness S can be electrically connected with the battery cell 110.

The connector M and the water-cooled joint L may be fixed to the mounting body 232a by fasteners such as bolts.

The present application also provides a case 200 according to some embodiments of the present application, including the frame assembly 230 and the case body according to any of the above embodiments. The frame body 231a is enclosed at the edge of the box body and defines a receiving cavity, the receiving cavity is used for installing the battery cell 110, and the mounting piece 232 is used for installing the connector M connected with the battery cell 110. The housing body may be the first portion 210 as illustrated in some of the embodiments described above, or the second portion 220. For example, the frame assembly 230 may form the second portion 220 with the base plate by welding.

Since the case 200 includes the frame assembly 230 according to any of the above embodiments, the frame assembly 230 has advantages, and the case 200 is also provided, which is not described herein.

According to some embodiments of the present application, the present application also provides a battery 10, including the case 200 of any of the above embodiments and the battery cell 110 disposed in the receiving chamber. Since the case 200 includes the frame assembly 230 according to any one of the above embodiments, the frame assembly 230 has advantages, and the battery 10 is also provided, which is not described herein.

It will be appreciated that in the case where the reliability of the frame assembly 230 is higher, not only the influence of the external force on the reliability of the overall structure can be reduced, but also the influence of the expansion force of the battery cell 110 on the reliability of the overall structure can be reduced.

According to some embodiments of the present application, there is also provided an electric device including the battery 10 of any of the above embodiments, the battery 10 being configured to provide electric energy.

The powered device may be any of the devices or systems described above that employ the battery 10.

Referring to fig. 6 to 13, the present application provides a frame assembly 230, the frame assembly 230 includes a frame body 231a and a supporting member 231b, the frame body 231a is provided with a hollow cavity Q and a mounting hole k1 communicating with the cavity Q, and the supporting member 231b is disposed in the cavity Q. The mounting member 232 includes a mounting body 232a and a stress transferring member 232b, the mounting body 232a is covered at the mounting hole k1, the stress transferring member 232b is arranged at one side of the mounting body 232a facing the cavity Q, and at least part of the stress transferring member 232b is located in the cavity Q and abuts against the supporting member 231b. A side surface of the frame body 231a is provided with a relief groove x. The bottom wall x1 of the escape groove x is provided with a plurality of fitting holes p, which are located on the adjacent side of the frame body 231a with the fitting holes k1. The adjacent fitting holes p define a spacing portion j therebetween. The supporting member 231b is connected to the wall of the escape recess x. The third reinforcement 231d is provided in the cavity Q of the frame body 231a, and the avoiding portion k2 is provided on the third reinforcement 231 d. The frame assembly 230 further includes a connection member 233 connected with the frame body 231 a. The connection member 233 is located at the same side of the frame body 231a as the mounting hole k1, and the connection member 233 is configured to be able to withstand at least part of external stress along the opening direction of the mounting hole k1. The plurality of connecting pieces 233 are sequentially arranged at intervals, and the mounting holes k1 are formed at intervals between two adjacent connecting pieces 233. The frame 231 and the mounting member 232 are of unitary construction.

Thus, the present embodiment of the present application can enhance the ability of the frame assembly 230 to withstand external forces, against external forces generated when the frame assembly 230 is bumped against, by providing the stress transfer member 232b and the support member 231b in cooperation with each other. Meanwhile, by utilizing the structure of the frame assembly 230, the corresponding avoidance grooves x, avoidance parts k2 and related reinforcing structures are matched, so that the space is fully utilized, the occupied space is reduced, meanwhile, the assembly requirement can be met, and the structural strength is improved. On the basis, the embodiment of the application can correspondingly install the assembly components such as the water cooling pipe N and the wire harness S in a compact space, can install more assembly components and is convenient for the assembly of the whole structure. In addition, the frame 231 and the mounting member 232 are integrally formed, so that the structural strength of the frame assembly 230 can be further improved. In addition, the coupling 233 is used in combination, so that the overall protection capability of the frame assembly 230 can be further improved. It is understood that the problem of structural implementation due to occurrence of weld cracks can be ameliorated compared to the manner of connecting the frame body 231a and the mounting body 232a by, for example, welding. Therefore, the frame assembly 230 in the embodiment of the present application can disperse the external force, weaken the impact of the external force on the frame assembly 230, and combine the integral structure of the frame assembly 230, so that the reliability of the connection between the mounting member 232 and the frame 231 is improved, the installation is convenient, and the space occupied by the integral structure is reduced. When the frame assembly 230 is used for the battery 10, the reliability of the battery 10 can be effectively improved.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the application, and are intended to be included within the scope of the appended claims and description. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.

Claims

1. A frame assembly (230), comprising:

a frame (231) including a frame body (231 a) and a support (231 b); the frame body (231 a) is provided with a hollow cavity (Q) and a mounting hole (k 1) communicated with the cavity (Q), and the supporting piece (231 b) is arranged in the cavity (Q); and

A mounting member (232) comprising a mounting body (232 a) and a stress transfer member (232 b); the mounting body (232 a) is covered at the mounting hole (k 1), the stress transfer piece (232 b) is arranged at one side of the mounting body (232 a) facing the cavity (Q), and at least part of the stress transfer piece (232 b) is positioned in the cavity (Q) and is abutted to the supporting piece (231 b).

2. The frame assembly (230) of claim 1, wherein the support (231 b) has a support surface (m 1), and the stress transfer member (232 b) has an abutment surface (m 2);

the support surface (m 1) and the abutment surface (m 2) are in abutment with each other.

3. The frame assembly (230) of claim 1, wherein the support (231 b) has a plurality of connection ends (D);

each connecting end (D) is connected to the inner wall of the corresponding cavity (Q).

4. A frame assembly (230) according to claim 3, wherein one of the plurality of connection ends (D) is connected to an inner wall of the cavity (Q) opposite the mounting hole (k 1).

5. The frame assembly (230) of claim 3, wherein one of the plurality of connection ends (D) is a first connection end (D1) and the other connection end (D) is a second connection end (D2);

The first connecting end (D1) and the second connecting end (D2) are oppositely arranged and are respectively connected to the inner wall of the corresponding cavity (Q); the portion of the support member (231 b) extending from the first connection end (D1) to the second connection end (D2) abuts against the stress transfer member (232 b).

6. The frame assembly (230) of claim 5, wherein the first connection end (D1) points in the direction of the second connection end (D2) perpendicular to the direction of opening of the mounting hole (k 1); or alternatively

One of the first connection end (D1) and the second connection end (D2) is closer to the mounting hole (k 1) than the other.

7. The frame assembly (230) of any of claims 1-6, wherein the mounting member (232) further comprises a first stiffening member (232 c), the first stiffening member (232 c) being connected to the mounting body (232 a) and the stress transfer member (232 b), respectively.

8. The frame assembly (230) according to any one of claims 1 to 6, wherein the frame body (231 a) is further provided with a fitting hole (p) communicating with the cavity (Q);

the fitting hole (p) and the mounting hole (k 1) are located on different sides of the frame body (231 a).

9. The frame assembly (230) of claim 8, wherein the fitting holes (p) are provided in plurality, the plurality of fitting holes (p) being spaced apart from each other along a predetermined direction (Y).

10. The frame assembly (230) according to claim 9, wherein, along said predetermined direction (Y), a spacer (j) is defined between two adjacent assembly holes (p); the spacer (j) is connected to the support (231 b); and/or

The fitting hole (p) and the mounting hole (k 1) are located on adjacent sides of the frame body (231 a).

11. The frame assembly (230) of claim 8, wherein a side surface of the frame body (231 a) is provided with a relief groove (x);

the bottom wall (x 1) of the avoidance groove (x) is provided with the assembly hole (p).

12. The frame assembly (230) of claim 11, wherein the frame (231) further comprises a second stiffener (231 c);

the second reinforcement (231 c) is connected between the support (231 b) and the wall of the relief groove (x).

13. The frame assembly (230) of any of claims 1-6, wherein the frame (231) further comprises a third stiffener (231 d) disposed within the cavity (Q);

The extending direction of the third reinforcement (231 d) is the same as the extending direction of the frame body (231 a).

14. The frame assembly (230) of claim 13, wherein the third reinforcement (231 d) is provided with a relief (k 2).

15. The frame assembly (230) of any of claims 1-6, wherein the frame assembly (230) further comprises a connector (233) coupled to the frame body (231 a).

16. The frame assembly (230) of claim 15, wherein the connection member (233) is located on the same side of the frame body (231 a) as the mounting hole (k 1), and the connection member (233) is configured to be able to withstand at least part of external stress in the opening direction of the mounting hole (k 1).

17. The frame assembly (230) of claim 16, wherein the connection members (233) are sequentially spaced apart;

the mounting holes (k 1) are arranged at intervals between two adjacent connecting pieces (233).

18. The frame assembly (230) of any of claims 1-6, wherein the frame assembly (230) further comprises a seal (234);

the seal (234) is provided between the mounting body (232 a) and the frame body (231 a).

19. The frame assembly (230) of any of claims 1-6, wherein the frame (231) is of unitary construction; and/or

The mounting (232) is of unitary construction.

20. A cabinet (200) comprising the frame assembly (230) of any one of claims 1-19 and a cabinet body;

the frame body (231 a) is arranged around the edge of the box body in a surrounding mode and is used for limiting an accommodating cavity, the accommodating cavity is used for installing the battery unit (110), and the installation piece (232) is used for installing the connector (M) connected with the battery unit (110).

21. A battery (10) comprising a case (200) as claimed in claim 20 and a battery cell (110) disposed in the receiving chamber.

22. An electrical device comprising a battery (10) according to claim 21, said battery (10) being adapted to provide electrical energy.