CN221041325U - Battery and electricity utilization device - Google Patents

Abstract

The application relates to a battery and an electricity utilization device, wherein the battery comprises a box body and a plurality of battery modules, the box body is provided with a specific accommodating cavity, and the box body comprises a supporting beam; the battery modules are arranged in the accommodating cavity, each battery module comprises a frame body and a plurality of battery monomers, each frame body is provided with a cavity, the battery monomers are arranged in the cavities, and two adjacent frame bodies are connected to the supporting beam. According to the battery provided by the application, the two adjacent frames are connected with the supporting beam, so that the two adjacent battery modules share one supporting beam, the use of the supporting beam is saved, the number of parts of the box body is reduced, the cost and the assembly time are better saved, the occupied volume of the supporting beam is reduced, the arrangement space of the battery modules is improved, the energy density of the battery is improved, and the miniaturization and the light weight of the battery are facilitated.

Description

Battery and electricity utilization device

Technical Field

The application relates to the technical field of battery production, in particular to a battery and an electric device.

Background

Battery cells are widely used in electronic devices such as cellular phones, notebook computers, battery cars, electric vehicles, electric airplanes, electric ships, electric toy vehicles, electric toy ships, electric toy airplanes, electric tools, and the like. The battery cells may include cadmium-nickel battery cells, hydrogen-nickel battery cells, lithium ion battery cells, secondary alkaline zinc-manganese battery cells, and the like.

In the development of battery technology, how to improve the space utilization rate inside the battery is a technical problem to be solved in the battery technology.

Disclosure of utility model

The application provides a battery and an electric device, aiming at improving the space utilization rate in the battery to a certain extent.

In a first aspect, the application provides a battery comprising a housing and a plurality of battery modules, the housing comprising a housing-specific receiving cavity, the housing comprising a support beam; the battery modules are arranged in the accommodating cavity, each battery module comprises a frame body and a plurality of battery monomers, each frame body is provided with a cavity, the battery monomers are arranged in the cavities, and two adjacent frame bodies are connected to the supporting beam.

The battery provided by the application comprises the box body and a plurality of battery modules, wherein the box body comprises the supporting beam, the battery modules comprise the frame body and a plurality of battery units, the frame body is provided with the cavity, the plurality of battery units are arranged in the cavity, and two adjacent frame bodies are connected with the supporting beam, so that the two adjacent battery modules share one supporting beam, the use of the supporting beam is saved, the number of parts of the box body is reduced, the cost and the assembly time are saved, the occupied volume of the supporting beam can be reduced, the arrangement space of the battery modules is further improved, the energy density of the battery is improved, and the miniaturization and the light weight of the battery are also facilitated.

According to one embodiment of the application, the frame body comprises a first side plate and a second side plate which are arranged at intervals along a first direction, a plurality of battery cells are arranged between the first side plate and the second side plate, and the first side plates of two adjacent battery modules are oppositely arranged along the first direction and fixed on the supporting beam.

In these alternative embodiments, the first side plate is connected to at least the beam of the box body, so that the occupied volume of the supporting beam is reduced under the condition of meeting the integral rigidity of the battery, and the energy density of the battery is improved.

According to one embodiment of the application, the first side plates comprise first plate bodies and first connecting parts, in a first direction, the support beam is located between the first plate bodies of the two first side plates, the first connecting parts are connected to the first plate bodies, the first connecting parts are located at one side of the support beam in a second direction and fixed to the support beam, and the second direction is perpendicular to the first direction.

In these alternative embodiments, this arrangement can further reduce the occupied area between the frame and the support beam and between the frame and the frame, so that the structure inside the box is more compact.

According to one embodiment of the application, the first connecting portion is bent from one end of the first plate main body in the second direction toward the support beam.

In these alternative embodiments, the contact area between the first connecting portion and the first plate main body and the contact area between the first connecting portion and the support beam can be increased, so that the connection stability between the frame body and the support beam can be improved.

According to an embodiment of the present application, the first connection portion includes a plurality of first protrusions, and the plurality of first protrusions of one first side plate and the plurality of first protrusions of the other first side plate are alternately arranged along a third direction, which is perpendicular to the first direction and the second direction.

In these alternative embodiments, the plurality of first protrusions of one first side plate and the plurality of first protrusions of the other first side plate are alternately arranged along the third direction, which can increase the overall span of the first connection portion, reduce stress concentration, and improve connection stability.

According to one embodiment of the application, two adjacent first protrusions form a recess, one first side plate recess being in clearance fit with the first protrusion of the other first side plate.

In these alternative embodiments, the two first connecting portions can play a role in positioning, simplify the assembly process of the two first side plates and the supporting beam, and meanwhile, can increase the connection area between the first side plates and the supporting beam, increase the contact stability and improve the connection strength.

According to one embodiment of the application, the first connecting portion of one first side plate at least partially overlaps the first connecting portion of the other first side plate in the second direction.

In these alternative embodiments, the arrangement simplifies the structure of the first connecting portion, facilitates manufacture and reduces manufacturing costs to some extent.

According to one embodiment of the application, the first connection portion further comprises a first mounting hole; the battery further includes a first connecting member passing through the first mounting hole and fixed to the support beam.

In these alternative embodiments, the first mounting hole is matched with the first connecting piece to realize connection of the first side plate and the supporting beam, so that the frame body and the supporting beam are convenient to mount and dismount, and the mounting mode of the frame body and the supporting beam is simplified.

According to one embodiment of the present application, the case includes a plurality of support beams, the plurality of support beams being spaced apart along a first direction; the second side plate comprises a second plate main body and a second connecting part, wherein the second plate main body is connected to the second connecting part, and the second connecting part is used for being connected with the supporting beam.

According to one embodiment of the application, the second connection part is provided with a second mounting hole, and the battery further comprises a second connection member passing through the second mounting hole and fixed to the support beam.

In these alternative embodiments, the second side plate is connected to the support beam through the cooperation of the second mounting hole and the second connecting piece, so that the frame body and the support beam are convenient to mount and dismount, and the mounting mode of the frame body and the support beam is simplified.

In a second aspect, the application provides an electrical device comprising a battery according to the foregoing, the battery being for providing electrical energy.

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

Features, advantages, and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

FIG. 1 is a schematic view of a vehicle according to an embodiment of the present application;

Fig. 2 is a schematic view showing a part of the structure of a battery according to an embodiment of the present application;

Fig. 3 is a schematic view of a battery module and a support beam of a battery according to an embodiment of the present application;

fig. 4 is a schematic cross-sectional structure of a battery module and a support beam of a battery according to an embodiment of the present application;

Fig. 5 is a schematic view showing a part of the structure of a battery module and a support beam of a battery according to an embodiment of the present application;

Fig. 6 is a schematic view showing a partial structure of a battery according to another embodiment of the present application.

The figures are not necessarily to scale.

Reference numerals illustrate:

1000. a vehicle;

100. A battery; 200. a controller; 300. a motor;

10. a case; 11. a receiving chamber; 12. a support beam;

20. a battery module; 21. a frame; 211. a cavity; 212. a first side plate; 2121. a first plate main body; 2122. a first connection portion; 21221. a first convex portion; 21222. a concave portion; 213. a second side plate; 2131. a second plate main body; 2132. a second connecting portion; 214. a first mounting hole; 215. a second mounting hole; 22. a battery cell;

30. a first connector;

40. a second connector;

x, a first direction; y, the second direction; z, third direction.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present application more apparent, the technical solutions of the embodiments of the present application will be clearly described below with reference to the accompanying drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments of the present application. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the 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 in the description of the application 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. The terms first, second and the like in the description and in the claims or in the above-described figures, are used for distinguishing between different objects and not necessarily for describing a particular sequential or chronological order.

Reference in the specification 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.

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

The term "and/or" in the present application is merely an association relation describing the association object, and indicates that three kinds of relations may exist, for example, a and/or B may indicate: a exists alone, A and B exist together, and B exists alone. In the present application, the character "/" generally indicates that the front and rear related objects are an or relationship.

In the embodiments of the present application, the same reference numerals denote the same components, and detailed descriptions of the same components are omitted in different embodiments for the sake of brevity. It should be understood that the thickness, length, width, etc. dimensions of the various components in the embodiments of the application shown in the drawings, as well as the overall thickness, length, width, etc. dimensions of the integrated device, are merely illustrative and should not be construed as limiting the application in any way.

The term "plurality" as used herein refers to two or more (including two).

In the present application, the battery cells may include a lithium ion secondary battery cell, a lithium ion primary battery cell, a lithium sulfur battery cell, a sodium lithium ion battery cell, a sodium ion battery cell, or a magnesium ion battery cell, which is not limited in the embodiment of the present application. The battery cell 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 cells are generally classified into three types according to the packaging method: the cylindrical battery cell, the square battery cell and the soft package battery cell are not limited in this embodiment.

Reference to a battery in accordance with an embodiment of the present application refers to a single physical module that includes one or more battery cells to provide higher voltage and capacity. For example, the battery referred to in the present application may include a battery module or a battery pack, or the like. The battery generally includes a case for enclosing one or more battery cells. The case can reduce to some extent that liquid or other foreign matter affects the charge or discharge of the battery cells.

The battery cell generally includes an electrode assembly. The electrode assembly includes a positive electrode and a negative electrode. During the charge and discharge of the battery cell, active ions (e.g., lithium ions) are inserted and extracted back and forth between the positive electrode and the negative electrode.

In the related art, a battery includes a case and a plurality of battery modules, a plurality of battery cells, and a frame for fixing the battery cells, the battery modules being attached to a support beam of the case by the frame. With the higher and lower integration level of the battery, the volume is smaller and smaller, the occupied space of the supporting beam is larger, the problem of the reduction of the occupied space of the battery module is more and more prominent, and the improvement of the energy density of the battery is also not facilitated. There is a need to improve the space utilization of the entire inside of the battery to achieve an improvement in the energy density of the battery. The statements made above merely serve to provide background information related to the present disclosure and may not necessarily constitute prior art.

In view of the above problems, the inventors have conducted intensive studies and have proposed a battery, which includes a case including a support beam and a plurality of battery cells, the battery cells including a frame having a cavity and a plurality of battery cells disposed in the cavity, and two adjacent frames connected to the support beam, thereby realizing that two adjacent battery cells share one support beam, and thus saving the use of the support beam, being beneficial to reducing the number of parts of the case, thereby being capable of saving costs and assembly time well, and also being capable of reducing the volume occupied by the support beam, thereby improving the arrangement space of the battery cells, not only being capable of improving the energy density of the battery, but also being beneficial to miniaturization and light weight of the battery.

The battery may be applied to vehicles, cellular phones, portable devices, notebook computers, ships, spacecraft, electric toys, electric tools, and the like. The vehicle 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-extended vehicle; spacecraft including airplanes, rockets, space planes, spacecraft, and the like; the electric toy includes fixed or mobile electric toys, such as a game machine, an electric car toy, an electric ship toy, and an electric airplane toy; power tools include metal cutting power tools, grinding power tools, assembly power tools, and railroad power tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete shakers, and electric planers, among others. The embodiment of the application does not limit the production equipment of the electrode lug in particular.

In some embodiments, the battery may be an energy storage device. The energy storage device comprises an energy storage container, an energy storage electric cabinet 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, one embodiment of the present application provides a vehicle 1000. The vehicle 1000 may be a fuel-powered vehicle, a gas-powered vehicle, or a new energy vehicle. The new energy automobile can be a pure electric automobile, a hybrid electric automobile or a range-extended automobile and the like. In an embodiment of the present application, the vehicle 1000 may include a motor 300, a controller 200, and a battery 100. The controller 200 is used to control the battery 100 to supply power to the motor 300. The motor 300 is connected to wheels through a transmission mechanism to drive the vehicle 1000 to travel. Battery 100 may be used as a driving power source for vehicle 1000 to provide driving power for vehicle 1000 in lieu of or in part in lieu of fuel oil or natural gas. In one example, the battery 100 may be provided at the bottom or head or tail of the vehicle 1000. Battery 100 may be used to power vehicle 1000. In one example, battery 100 may be used as an operating power source for vehicle 1000 for the circuitry of vehicle 1000. For example, battery 100 may be used for operating power requirements during start-up, navigation, and operation of vehicle 1000.

Referring to fig. 2, fig. 2 is a schematic view illustrating a part of a structure of a battery according to an embodiment of the application.

As shown in fig. 2, the present application proposes a battery 100, the battery 100 comprising a case 10 and a plurality of battery modules 20, the case 10 specifically accommodating a cavity 11, the case 10 comprising a support beam 12. The plurality of battery modules 20 are disposed in the accommodating chamber 11, the battery modules 20 include a frame 21 and a plurality of battery cells 22, the frame 21 has a cavity 211, the plurality of battery cells 22 are disposed in the cavity 211, and two adjacent frames 21 are connected to the support beam 12.

The case 10 is used to house the battery module 20, and the case 10 can prevent liquid or other foreign substances from affecting the charge or discharge of the battery module 20 to some extent.

Illustratively, the case 10 may include a first case and a second case that are mutually covered, the first case and the second case together defining a receiving chamber 11 for receiving the battery cell 22 and the battery module 20. The first box body can be a hollow structure with one end open, the second box body can be a plate-shaped structure, and the second box body covers the open side of the first box body, so that the first box body and the second box body jointly define a containing cavity 11; the first box body and the second box body can also be hollow structures with one side open, and the open side of the first box body is closed on the open side of the second box body. Of course, the case 10 formed of the first case and the second case may be various shapes, such as a cylinder, a rectangular parallelepiped, etc. The first case and the second case may be in various shapes, such as a cylinder, a rectangular parallelepiped, etc. In order to improve the tightness of the first box body and the second box body after being connected, a sealing component, such as a sealant, a sealing ring and the like, can also be arranged between the first box body and the second box body. The first case may also be referred to as an upper case cover, and the second case may also be referred to as a lower case, assuming that the first case is covered on top of the second case.

In an embodiment of the present application, the cabinet 10 includes a support beam 12. The box 10 defines a generally rectangular accommodating cavity 11, the supporting beam 12 may divide the accommodating cavity 11 into a plurality of functional areas, some of the functional areas are used for accommodating battery modules 20, the battery modules 20 are connected to the supporting beam 12, the same or different battery modules 20 may be used in different functional areas, and some of the functional areas are used for accommodating components such as a battery management system.

Alternatively, the case 10 may include a plurality of support beams 12, and the plurality of support beams 12 may be disposed at intervals within the case 10.

In the embodiment of the application, the battery module 20 includes a frame 21 and a plurality of battery cells 22, the frame 21 has a cavity 211, and the plurality of battery cells 22 are disposed in the cavity 211.

Specifically, the case 10 further includes a bottom guard plate for providing a stable supporting surface for the battery module 20, and the frame 21 is used for limiting the battery cells 22, so as to limit the battery cells 22 in the frame 21. And, when the battery cell 22 is expanded and deformed during operation, the frame 21 transmits the extrusion force to the bottom guard plate through the support beam 12, and the bottom guard plate bears the extrusion force and uniformly distributes the extrusion force to the whole box 10, so that the concentration of stress is reduced, and the stability of the whole structure of the battery 100 is improved.

In the embodiment of the present application, a plurality of battery cells 22 are disposed in the cavity 211, the plurality of battery cells 22 may be arranged in rows, or the plurality of battery cells 22 may be arranged in columns, and the plurality of battery cells 22 may be arranged in rows and columns.

In the embodiment of the present application, two adjacent frames 21 are connected to the supporting beam 12, and it is understood that two adjacent frames 21 are commonly connected to one supporting beam 12, that is, two adjacent frames 21 share one supporting beam 12, and compared with at least one supporting beam 12 required to be connected to each frame 21, the connection between the frame 21 and the box 10 can be realized, the use of the supporting beam 12 can be reduced, and the purposes of space saving and weight saving can be achieved.

In some embodiments, the frame 21 is connected to the support beam 12 by welding, bolting, hinging, clamping, gluing, or the like.

The battery 100 provided by the application comprises the box body 10 and the plurality of battery modules 20, wherein the box body 10 comprises the supporting beam 12, the battery modules 20 comprise the frame body 21 and the plurality of battery cells 22, the frame body 21 is provided with the cavity 211, the plurality of battery cells 22 are arranged in the cavity 211, two adjacent frame bodies 21 are connected with the supporting beam 12, the two adjacent battery modules 20 share one supporting beam 12, the use of the supporting beam 12 is saved, the number of parts of the box body 10 is reduced, the cost and the assembly time are better saved, the occupied volume of the supporting beam 12 can be reduced, the arrangement space of the battery modules 20 is improved, the energy density of the battery 100 is improved, and the miniaturization and the light weight of the battery 100 are facilitated.

Referring to fig. 3 in combination, fig. 3 is a schematic structural view of a battery module and a support beam of a battery according to an embodiment of the application.

According to one embodiment of the present application, as shown in fig. 2 and 3, the frame 21 includes a first side plate 212 and a second side plate 213 spaced apart in a first direction x, a plurality of battery cells 22 are disposed between the first side plate 212 and the second side plate 213, and the first side plates 212 of two adjacent battery modules 20 are oppositely disposed in the first direction x and fixed to the support beam 12.

In the embodiment of the present application, the frame 21 includes the first side plate 212 and the second side plate 213 spaced apart along the first direction x, and the first side plates 212 of two adjacent battery modules 20 are disposed opposite to each other along the first direction x, and it is understood that the second side plate 213, the first side plate 212, and the second side plate 213 are disposed in sequence along the first direction x on the adjacent two battery modules 20, and the two first side plates 212 are fixedly connected to one support beam 12, that is, one support beam 12 is disposed between the adjacent two frame 21.

Illustratively, the frame 21 has a rectangular structure with a predetermined length and width, the frame 21 includes a first side plate 212, a second side plate 213, and two end plates connecting the first side plate 212 and the second side plate 213, the first side plate 212, the second side plate 213, and the two end plates enclose to form a cavity 211 for accommodating the battery cell 22, the first side plate 212 and the second side plate 213 are disposed at intervals along a width direction, that is, a first direction x, and the two end plates are disposed at intervals along a length direction.

In the embodiment of the present application, the first side plates 212 of two adjacent battery modules 20 are fixed on the supporting beam 12, and the two side plates can be connected to different areas of the supporting beam 12, for example, the connection portion between the first side plates 212 and the supporting beam 12 and the connection portion between the second side plates 213 and the supporting beam 12 are arranged in a staggered manner; or both side plates may be connected to the same region of the support beam 12, for example, the connection of the first side plate 212 to the support beam 12 and the connection of the second side plate 213 to the support beam 12 are stacked.

In these alternative embodiments, the support beam 12 connected to the case 10 by the first side plate 212 reduces the occupied volume of the support beam 12 while satisfying the rigidity of the battery 100 as a whole, thereby improving the energy density of the battery 100.

Referring to fig. 4 in combination, fig. 4 is a schematic cross-sectional structure of a battery module and a support beam of a battery according to an embodiment of the present application.

According to an embodiment of the present application, as shown in fig. 3 and 4, the first side plates 212 include first plate bodies 2121 and first connection parts 2122, the support beam 12 is located between the first plate bodies 2121 of the two first side plates 212 in a first direction x, the first connection parts 2122 are connected to the first plate bodies 2121, and the first connection parts 2122 are located at one side of the support beam 12 in a second direction y, which is perpendicular to the first direction x, and are fixed to the support beam 12.

In an embodiment of the present application, the first side plate 212 includes a first plate body 2121 and a first connection portion 2122, the first plate body 2121 extends in the same direction as the support beam 12, the first plate body 2121 serves to restrain the battery cell 22, and the first plate body 2121 is connected to the support beam 12 through the first connection portion 2122. The first connection part 2122 is connected to the first plate main body 2121, the first connection part 2122 is located at one side of the support beam 12 along the second direction y and is fixed to the support beam 12, and the second direction y may be a thickness direction of the support beam 12, it being understood that the first connection part 2122 is at least partially projected into the support beam 12 in the second direction y, that is, the first connection part 2122 at least partially overlaps the support beam 12 along the second direction y.

In some embodiments of the present application, the first connection 2122 is provided at one side of the first plate body 2121 in the first direction x, and the first connection 2122 is connected to the first plate body 2121 and the support beam 12.

In other embodiments of the present application, one end of the first connection portion 2122 is connected to one end of the first plate body 2121 in the second direction y, and the other end of the first connection portion 2122 is bent toward the support beam 12 and connected to the support beam 12.

In the embodiment of the present application, the first plate body 2121 and the first connecting portion 2122 may be integrally formed, and the first plate body 2121 and the first connecting portion 2122 may be formed as separate members.

In these alternative embodiments, this arrangement can further reduce the occupied area of the gap between the frame 21 and the support beam 12, and between the frame 21 and the frame 21, so that the structure inside the case 10 is more compact.

According to one embodiment of the present application, the first connection portion 2122 is bent from one end of the first plate main body 2121 in the second direction y toward the support beam 12.

In the embodiment of the present application, the first end of the first connection part 2122 is connected to one end of the first plate body 2121 in the second direction y, and the second end of the first connection part 2122 is bent toward the support beam 12.

Illustratively, the first connecting portion 2122 is of an L-shaped configuration.

In these alternative embodiments, this arrangement can increase the contact area of the first connection portion 2122 with the first plate main body 2121 and the support beam 12, thereby increasing the connection stability of the frame 21 with the support beam 12.

Referring to fig. 5 in combination, fig. 5 is a schematic view showing a part of the structure of a battery module and a support beam of a battery according to an embodiment of the application.

According to an embodiment of the present application, as shown in fig. 3 to 5, the first connection part 2122 includes a plurality of first protrusions 21221, and the plurality of first protrusions 21221 of one first side plate 212 and the plurality of first protrusions 21221 of the other first side plate 212 are alternately arranged along a third direction z, which is perpendicular to the first direction x and the second direction y.

In the embodiment of the present application, two adjacent first side plates 212 are disposed opposite to each other along the first direction x, one first side plate 212 includes a plurality of first protrusions 21221, the plurality of first protrusions 21221 are disposed at intervals along the first direction x, the other first side plate 212 includes a plurality of first protrusions 21221, the plurality of first protrusions 21221 are disposed at intervals along the first direction x, and the plurality of first protrusions 21221 on one side are alternately disposed with the plurality of first protrusions 21221 on the other side, that is, the plurality of first protrusions 21221 of one first side plate 212 are disposed offset from the plurality of first protrusions 21221 of the other side plate.

In these alternative embodiments, the plurality of first protrusions 21221 of one first side plate 212 and the plurality of first protrusions 21221 of the other first side plate 212 are alternately arranged in the third direction z, which can increase the overall span of the first connecting portion 2122, reduce stress concentration, and improve connection stability.

According to one embodiment of the present application, as shown in fig. 3 to 5, two adjacent first protrusions 21221 form a recess 21222, and the recess 21222 of one first side plate 212 is clearance-fitted with the first protrusion 21221 of the other side plate.

Illustratively, the first connecting portion 2122 includes N first protrusions 21221, the 1 st first protrusion 21221 and the 2 nd first protrusion 21221 of one first side plate 212 form a1 st first recess 21222 that is fitted into the 1 st first protrusion 21221 of the other first side plate 212, and the 1 st first recess 21222 of one first side plate 212 is clearance fit with the 1 st first protrusion 21221 of the other first side plate 212.

In these alternative embodiments, the two first connecting portions 2122 can perform positioning function, simplify the assembly process of the two first side plates 212 and the support beam 12, and simultaneously increase the connection area between the first side plates 212 and the support beam 12, increase the stability of connection, and improve the connection strength.

Referring to fig. 6 in combination, fig. 6 is a schematic view showing a partial structure of a battery according to another embodiment of the present application.

According to one embodiment of the present application, as shown in fig. 6, the first connection portion 2122 of one first side plate 212 at least partially overlaps the first connection portion 2122 of the other first side plate 212 in the second direction y.

In the embodiment of the present application, the first connection portion 2122 is located at one side of the support beam 12 along the second direction y and is fixed to the support beam 12, and the first connection portion 2122 of one first side plate 212 is at least partially overlapped with the first connection portion 2122 of the other first side plate 212 along the second direction y, it may be understood that the first connection portion 2122 of one first side plate 212, the first connection portion 2122 of the other first side plate 212, and the support beam 12 at least partially overlap along the second direction y, and one first connection portion 2122 needs to be connected to the support beam 12 through the other first connection portion 2122.

In some embodiments, the first connection 2122 of one first side plate 212 is disposed at the bottom of the second direction y of the first connection 2122 of the other first side plate 212.

In other embodiments, at least one first connection 2122 of one first side plate 212 is at the bottom of the second direction y of the first connection 2122 of the other first side plate 212, and the other first connection 2122 of one first side plate 212 is at the top of the second direction y of the other first connection 2122 of the other first side plate 212.

In these alternative embodiments, the configuration of the first connecting portion 2122 can be simplified, which is advantageous for manufacturing, and manufacturing costs can be reduced to some extent.

According to an embodiment of the present application, as shown in fig. 4 and 5, the first connection portion 2122 is provided with a first mounting hole 214. The battery 100 further includes a first connector 30, the first connector 30 passing through the first mounting hole 214 and being fixed to the support beam 12.

In some embodiments, the first connecting portion 2122 is provided with a first mounting hole 214, the first mounting hole 214 is a through hole, and the corresponding support beam 12 is provided with a connecting hole, and the first connecting member 30 may be inserted through the first mounting hole 214 and extend into the connecting hole to connect the frame 21 and the support beam 12.

Illustratively, the first mounting bore 214 is threadably coupled to the first connector 30.

In these alternative embodiments, the first mounting hole 214 and the first connecting member 30 cooperate to connect the first side plate 212 to the support beam 12, so as to facilitate the mounting and dismounting of the frame 21 and the support beam 12, and simplify the mounting manner of the frame 21 and the support beam 12.

According to one embodiment of the present application, as shown in fig. 2 and 3, the case 10 includes a plurality of support beams 12, and the plurality of support beams 12 are spaced apart along the first direction x. The second side plate 213 includes a second plate main body 2131 and a second connection portion 2132, the second plate main body 2131 being connected to the second connection portion 2132, the second connection portion 2132 being for connection with the support beam 12.

In the embodiment of the present application, the case 10 includes a plurality of support beams 12, the plurality of support beams 12 are spaced apart along the first direction x, a portion of the support beams 12 may be used to connect the first side plates 212, another portion of the support beams 12 may be used to connect the second side plates 213, wherein two adjacent first side plates 212 may share one support beam 12, and each second side plate 213 is connected to the support beam 12. The second side plate 213 includes a second plate main body 2131 and a second connection portion 2132, the second plate main body 2131 being connected to the second connection portion 2132, the second connection portion 2132 being for connection with its corresponding support beam 12. The second connection portion 2132 includes a second protrusion connected to the support beam 12, and the second protrusion may be entirely connected to the support beam 12, so that the second connection portion 2132 is different from the first connection portion 2122 in structure, i.e., the first plate body is different from the second plate body in structure.

In the embodiment of the present application, the second connecting portion 2132 may be connected to the support beam 12 by welding, bolting, hinging, clamping, gluing, or the like.

According to an embodiment of the present application, as shown in fig. 2, 4 and 5, the second connecting portion 2132 is provided with the second mounting holes 215. The battery 100 further includes a second connection member 40, and the second connection member 40 passes through the second mounting hole 215 and is fixed to the support beam 12.

In some embodiments, the second connecting portion 2132 is provided with a second mounting hole 215, the first mounting hole 214 is a through hole, and the support beam 12 corresponding to the second side plate 213 is correspondingly provided with a connecting hole, and the second mounting hole 215 can be penetrated through the second connecting member 40 and extend into the connecting hole to connect the second side plate 213 with the support beam 12.

Illustratively, the second mounting hole 215 is threadably coupled to the second connector 40.

In these alternative embodiments, the second side plate 213 is coupled to the support beam 12 by being engaged with the second connecting member 40 through the second mounting hole 215, so that the frame 21 and the support beam 12 can be easily mounted and dismounted, and the mounting manner of the frame 21 and the support beam 12 can be simplified.

According to some embodiments of the present application, referring to fig. 2 to 5, the present application provides a battery 100, the battery 100 including a case 10, a plurality of battery modules 20, a first connector 30, and a second connector 40, the case 10 particularly accommodating a cavity 11, the case 10 including a plurality of support beams 12, the plurality of support beams 12 being spaced apart along a first direction x. The plurality of battery modules 20 are disposed in the accommodating chamber 11, the battery modules 20 include a frame 21 and a plurality of battery cells 22, the frame 21 has a cavity 211, and the plurality of battery cells 22 are disposed in the cavity 211. The frame 21 includes a first side plate 212 and a second side plate 213 disposed at intervals along a first direction x, the plurality of battery cells 22 are disposed between the first side plate 212 and the second side plate 213, and the first side plates 212 of two adjacent battery modules 20 are disposed opposite to each other along the first direction x and fixed to the support beam 12. The first side plate 212 includes a first plate main body 2121 and a first connection portion 2122, in a first direction x, the support beam 12 is located between the first plate main bodies 2121 of the two first side plates 212, the first connection portion 2122 is connected to the first plate main body 2121, and the first connection portion 2122 is located at one side of the support beam 12 in a second direction y, which is perpendicular to the first direction x, and is fixed to the support beam 12. The first connection portion 2122 includes a plurality of first protrusions 21221, the plurality of first protrusions 21221 of one first side plate 212 are alternately arranged with the plurality of first protrusions 21221 of the other side plate along a third direction z, two adjacent first protrusions 21221 form a recess 21222, the recess 21222 of one first side plate 212 is clearance-fitted with the first protrusions 21221 of the other first side plate 212, and the third direction z is perpendicular to the first direction x and the second direction y. The first connection portion 2122 is provided with a first mounting hole 214. The first connector 30 passes through the first mounting hole 214 and is fixed to the support beam 12. The second side plate 213 includes a second plate main body 2131 and a second connection portion 2132, the second plate main body 2131 being connected to the second connection portion 2132, the second connection portion 2132 being for connection with the support beam 12. The second connecting portion 2132 is provided with a second mounting hole 215, and the second connecting member 40 passes through the second mounting hole 215 and is fixed to the support beam 12.

The battery 100 provided by the application comprises the box body 10 and the plurality of battery modules 20, wherein the box body 10 comprises the supporting beam 12, the battery modules 20 comprise the frame body 21 and the plurality of battery cells 22, the frame body 21 is provided with the cavity 211, the plurality of battery cells 22 are arranged in the cavity 211, two adjacent frame bodies 21 are connected with the supporting beam 12, the two adjacent battery modules 20 share one supporting beam 12, the use of the supporting beam 12 is saved, the number of parts of the box body 10 is reduced, the cost and the assembly time are better saved, the occupied volume of the supporting beam 12 can be reduced, the arrangement space of the battery modules 20 is improved, the energy density of the battery 100 is improved, and the miniaturization and the light weight of the battery 100 are facilitated.

While the application has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the application, and in particular, the technical features set forth in the various embodiments may be combined in any manner so 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 (11)

1. A battery, comprising:

the box body comprises a supporting beam;

The battery module comprises a frame body and a plurality of battery monomers, wherein the frame body is provided with a cavity, the battery monomers are arranged in the cavity, and two adjacent frame bodies are connected with the supporting beam.

2. The battery of claim 1, wherein the battery is configured to provide the battery with a plurality of cells,

The frame body comprises a first side plate and a second side plate which are arranged at intervals along a first direction, the plurality of battery cells are arranged between the first side plate and the second side plate, and the first side plates of two adjacent battery modules are oppositely arranged along the first direction and fixed on the supporting beam.

3. The battery of claim 2, wherein the battery is configured to provide the battery with a plurality of cells,

The first side plate comprises a first plate body and first connecting parts, the supporting beams are positioned between the first plate bodies of the two first side plates in the first direction, the first connecting parts are connected with the first plate body, the first connecting parts are positioned on one side of the supporting beams along the second direction and fixed on the supporting beams, and the second direction is perpendicular to the first direction.

4. The battery of claim 3, wherein the battery is provided with a battery cell,

The first connection portion is bent from one end of the first plate body in the second direction toward the support beam.

5. The battery of claim 3, wherein the battery is provided with a battery cell,

The first connecting portion comprises a plurality of first protruding portions, the plurality of first protruding portions of one first side plate and the plurality of first protruding portions of the other first side plate are alternately arranged along a third direction, and the third direction is perpendicular to the first direction and the second direction.

6. The battery of claim 5, wherein the battery is configured to provide the battery with a battery cell,

Two adjacent first convex parts form concave parts, and one first side plate concave part is in clearance fit with the first convex part of the other first side plate.

7. The battery of claim 3, wherein the battery is provided with a battery cell,

The first connecting portion of one of the first side plates and the first connecting portion of the other of the first side plates at least partially overlap in the second direction.

8. The battery of claim 3, wherein the battery is provided with a battery cell,

The first connecting part is provided with a first mounting hole;

The battery further includes a first connecting member passing through the first mounting hole and fixed to the support beam.

9. The battery of claim 2, wherein the battery is configured to provide the battery with a plurality of cells,

The box body comprises a plurality of supporting beams, and the supporting beams are arranged at intervals along the first direction;

the second side plate comprises a second plate body and a second connecting portion, wherein the second plate body is connected to the second connecting portion, and the second connecting portion is used for being connected with the supporting beam.

10. The battery of claim 9, wherein the battery is configured to provide the battery with a plurality of cells,

The second connecting part is provided with a second mounting hole;

The battery further includes a second connecting member passing through the second mounting hole and fixed to the support beam.

11. An electrical device comprising a battery as claimed in any one of claims 1 to 10 for providing electrical energy.