Battery and electric device

Abstract

A battery (100) and an electric device. The battery (100) comprises a case (10), battery cells (20), a power distribution box (30) and a support component (40), wherein the battery cells (20) are accommodated in the case (10); the power distribution box (30) is arranged outside the case (10), the power distribution box (30) comprises a housing (31) connected to the case (10) and an electrical component (32) accommodated in the housing (31), and an opening is provided in the end of the housing (31) away from the case (10); and the support component (40) covers the opening and is configured to support an external component (400). The structure of the battery (100) can be simplified, and the space utilization rate thereof is improved.

Description

Batteries and electrical devices

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS

[0002] This application claims priority to Chinese Patent Application No. 202420423505.8, filed on March 5, 2024, entitled “Battery and Electrical Device,” the entire contents of which are incorporated herein by reference. Technical Field

[0003] The present application relates to the field of battery technology, and in particular to a battery and an electrical device. Background Art

[0004] With the development of new energy technology, batteries are used more and more widely, for example, in mobile phones, laptops, electric vehicles, electric airplanes, electric ships, electric toy cars, electric toy ships, electric toy airplanes and power tools.

[0005] The development of battery technology must consider multiple design factors at the same time. For example, how to improve the space utilization of batteries is an important research direction in the battery field.

[0006] Utility Model Content

[0007] The present application provides a battery and an electrical device, which can simplify the structure and improve space utilization.

[0008] In the first aspect, an embodiment of the present application provides a battery, comprising a case, a battery cell, a distribution box, and a supporting component. The battery cell is housed in the case, and the distribution box is arranged outside the case. The distribution box includes a shell connected to the case and electrical components housed in the shell. The shell has an opening at one end away from the case, and the supporting component covers the opening and is used to support external components.

[0009] In the technical solution of the embodiment of the present application, the battery includes a box body, a battery cell arranged in the box body, a distribution box arranged outside the box body, and a supporting component that covers the distribution box. The supporting component can not only facilitate the maintenance of the distribution box, but also provide support for external components, that is, the external components can be installed on the cover of the distribution box, thereby eliminating the original support beam structure and improving space utilization.

[0010] According to some embodiments of the present application, the support component is used to support the seat of the vehicle. The support component can be used to carry the seat and improve the space utilization of the entire vehicle.

[0011] According to some embodiments of the present application, the support component includes a cover plate having a connecting portion, which protrudes from the cover plate toward a side facing away from the box. The support component can adopt a cover plate structure with a connecting portion, and the supported component can be directly connected to the cover plate, which can further simplify the structure.

[0012] According to some embodiments of the present application, the cover plate is provided with a plurality of connection parts, which are arranged in an array and spaced apart, thereby improving the stability of the connection and facilitating processing.

[0013] According to some embodiments of the present application, the support component includes a cover plate and a beam structure, and the beam structure is stacked on the side of the cover plate away from the box body. The beam structure is provided to further increase the structural strength of the support component, making the support stable and reliable.

[0014] According to some embodiments of the present application, the beam structure has a plurality of connection holes provided along its thickness. The external component and the beam structure can be connected by passing fasteners through the connection holes, making it easy to assemble and disassemble.

[0015] According to some embodiments of the present application, the beam structure is a plate-like structure and has a protrusion that protrudes away from the cover plate, and the protrusion is spaced apart from the cover plate in the thickness direction. The structural strength of the beam structure is improved by stamping.

[0016] According to some embodiments of the present application, the beam structure has multiple protrusions, each extending along a first direction and spaced apart in a second direction. The first direction, the second direction, and the thickness direction intersect each other, and the connection holes are all provided in the protrusions. The protrusions extend in parallel strips, further enhancing the strength of the beam structure.

[0017] According to some embodiments of the present application, in the thickness direction, the orthographic projection of the beam structure is located within the contour of the orthographic projection of the cover plate, thereby reducing the influence of the beam structure on the detachable connection between the cover plate and the housing.

[0018] According to some embodiments of the present application, the beam structure and the cover plate are integrally formed to improve the connection stability between the two and the overall structural strength of the support component.

[0019] According to some embodiments of the present application, the cover plate comprises at least one of steel, aluminum, and alloys thereof, and has a thickness of 0.1 mm to 25 mm. Increasing the thickness of the cover plate improves the overall supporting capacity of the supporting component.

[0020] According to some embodiments of the present application, the housing includes a support plate, a frame, and a bottom plate. The frame is connected between the support plate and the bottom plate, the distribution box is disposed on the upper side of the support plate, and the battery cells are fixed to the support plate. This reduces relative movement between the battery cells and the support plate when subjected to external impact, thereby making the support plate structure more stable.

[0021] According to some embodiments of the present application, the battery cells are provided with electrode terminals and / or pressure relief mechanisms on a side away from the support plate. The electrode terminals and pressure relief mechanisms are typically provided in a protruding manner to reduce the possibility of interference between the electrode terminals and the support plate, as well as the possibility of pressure from external components affecting the electrode terminals and the pressure relief mechanisms.

[0022] In a second aspect, an embodiment of the present application provides an electrical device, comprising the battery in any embodiment of the first aspect, wherein the battery is used to provide electrical energy.

[0023] According to some embodiments of the present application, the electrical device is a vehicle, and the supporting component is used to support structural components in the vehicle, thereby improving the space utilization of the entire vehicle.

[0024] According to some embodiments of the present application, the housing includes a support plate, a frame, and a bottom plate. The frame is connected between the support plate and the bottom plate. The distribution box is disposed on the upper side of the support plate. The battery cells are fixed to the support plate. The support plate is at least part of the vehicle floor. This saves vehicle components, improves vehicle integration, and simplifies the vehicle assembly process.

[0025] According to some embodiments of the present application, a vehicle includes a seat connected to a support component. The support component can be used to support the seat to improve space utilization of the entire vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Various other advantages and benefits will become apparent to those skilled in the art upon reading the detailed description of the preferred embodiment below. The accompanying drawings are for illustration purposes only and are not to be considered as limiting the present application. The same reference numerals are used throughout the drawings to represent the same components. In the drawings:

[0027] FIG1 is a simplified schematic diagram of a vehicle provided in one embodiment of the present application;

[0028] FIG2 is a schematic diagram of an explosion of a battery provided in some embodiments of the present application;

[0029] FIG3 is a cross-sectional view of the section AA' shown in FIG2;

[0030] FIG4 is an enlarged view of the area P shown in FIG3 ;

[0031] FIG5 is an exploded view of a support component provided in one embodiment of the present application.

[0032] Reference numerals:

[0033] 1000-vehicles;

[0034] 100-battery; 200-controller; 300-motor; 400-external components;

[0035] 10- box; 20- battery cell; 30- distribution box; 40- support component;

[0036] 11-carrying plate; 12-frame; 13-bottom plate; 21-electrode terminal; 31-housing; 32-electrical component; 41-cover plate; 42-beam structure;

[0037] 421-connection hole; 422-protrusion;

[0038] X-first direction; Y-second direction; Z-thickness direction. DETAILED DESCRIPTION

[0039] The following embodiments of the technical solution of the present application will be described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application and are therefore only examples and are not intended to limit the scope of protection of the present application.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned figure descriptions are intended to cover non-exclusive inclusions.

[0041] In the description of the embodiments of this application, the technical terms "first" and "second" are used only to distinguish different objects and should not be understood to indicate or imply relative importance or implicitly specify the quantity, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, the meaning of "plurality" is more than two, unless otherwise clearly and specifically defined.

[0042] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0043] In the description of the embodiments of this application, the term "and / or" is simply a description of the association relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.

[0044] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0045] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the embodiments of the present application.

[0046] In the description of the embodiments of the present application, unless otherwise expressly specified or limited, technical terms such as "installed," "connected," "connected," and "fixed" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integration; mechanical connections or electrical connections; direct connections or indirect connections through an intermediate medium; internal connections between two components or interactions between two components. Those skilled in the art can understand the specific meanings of the above terms in the embodiments of the present application based on specific circumstances.

[0047] In the embodiment of the present application, the battery cell may be a secondary battery cell. A secondary battery cell refers to a battery cell that can be continuously used by activating active materials by charging after the battery cell is discharged.

[0048] The battery cell can be a lithium-ion battery cell, a sodium-ion battery cell, a sodium-lithium-ion battery cell, a lithium metal battery cell, a sodium metal battery cell, a lithium-sulfur battery cell, a magnesium-ion battery cell, a nickel-hydrogen battery cell, a nickel-cadmium battery cell, a lead-acid battery cell, etc., and the embodiments of the present application are not limited to this.

[0049] A battery cell typically includes an electrode assembly. This electrode assembly includes a positive electrode and a negative electrode. During the charge and discharge process of a battery cell, active ions (such as lithium ions) are intercalated and released back and forth between the positive and negative electrodes.

[0050] In some embodiments, the electrode assembly further includes a separator, which is disposed between the positive electrode and the negative electrode to prevent a short circuit between the positive and negative electrodes while allowing active ions to pass through.

[0051] In some embodiments, the positive electrode may be a positive electrode sheet, which may include a positive electrode current collector and a positive electrode active material layer disposed on at least one surface of the positive electrode current collector.

[0052] As an example, the positive electrode current collector has two surfaces facing each other in its thickness direction, and the positive electrode active material layer is provided on either or both of the two facing surfaces of the positive electrode current collector.

[0053] In some embodiments, the negative electrode may be a negative electrode sheet, which may include a negative electrode current collector and a negative electrode active material layer disposed on at least one surface of the negative electrode current collector.

[0054] As an example, the negative electrode current collector may be filled with or / and deposited with a lithium source material, potassium metal, or sodium metal, where the lithium source material is lithium metal and / or a lithium-rich material.

[0055] In some embodiments, the material of the positive electrode current collector may be aluminum, and the material of the negative electrode current collector may be copper.

[0056] In some embodiments, the electrode assembly further includes a separator disposed between the positive electrode sheet and the negative electrode sheet.

[0057] In some embodiments, the separator is a separator. The present application has no particular limitation on the type of separator, and any known separator with a porous structure having good chemical and mechanical stability can be selected.

[0058] In some embodiments, the separator is a solid electrolyte, which is disposed between the positive electrode and the negative electrode, and serves to transport ions and isolate the positive and negative electrodes.

[0059] In some embodiments, the battery cell also includes an electrolyte, which acts as a conductor of ions between the positive and negative electrodes. This application does not specifically limit the type of electrolyte, and the electrolyte can be selected based on needs. The electrolyte can be liquid, gel, or solid.

[0060] In some embodiments, the liquid electrolyte includes an electrolyte salt and a solvent.

[0061] The gel electrolyte consists of a polymer-based electrolyte framework network, combined with an ionic liquid-lithium salt.

[0062] Solid electrolytes include polymer solid electrolytes, inorganic solid electrolytes, and composite solid electrolytes.

[0063] As an example, a composite solid electrolyte is formed by adding an inorganic solid electrolyte filler to a polymer solid electrolyte.

[0064] In some embodiments, the electrode assembly is a wound structure, wherein the positive electrode sheet and the negative electrode sheet are wound into a wound structure.

[0065] In some embodiments, the electrode assembly is a laminate structure.

[0066] As an example, multiple positive electrode sheets and multiple negative electrode sheets can be provided respectively, and the multiple positive electrode sheets and the multiple negative electrode sheets can be alternately stacked.

[0067] As an example, a plurality of positive electrode sheets may be provided, and the negative electrode sheet may be folded to form a plurality of stacked folded segments, with a positive electrode sheet being sandwiched between adjacent folded segments.

[0068] As an example, both the positive electrode sheet and the negative electrode sheet are folded to form a plurality of folded segments that are stacked.

[0069] As an example, a plurality of separators may be provided, each of which is disposed between any adjacent positive electrode sheets or negative electrode sheets.

[0070] As an example, the separator may be provided continuously, and may be provided between any adjacent positive electrode sheets or negative electrode sheets by folding or winding.

[0071] In some embodiments, the shape of the electrode assembly can be cylindrical, flat, or polygonal.

[0072] In some embodiments, the electrode assembly is provided with tabs that can conduct current from the electrode assembly. The tabs include a positive tab and a negative tab.

[0073] In some embodiments, a battery cell may include a housing. The housing is used to encapsulate components such as the electrode assembly and the electrolyte. The housing may be a steel housing, an aluminum housing, a plastic housing (e.g., polypropylene), a composite metal housing (e.g., a copper-aluminum composite housing), or an aluminum-plastic film.

[0074] As an example, the battery cells may be cylindrical, prismatic, soft-pack or other shaped battery cells. Prismatic battery cells include square-shell, blade-shaped, and polygonal batteries. Polygonal batteries may be, for example, hexagonal batteries.

[0075] The battery mentioned in the embodiments of the present application refers to a single physical module including one or more battery cells to provide higher voltage and capacity.

[0076] In some embodiments, the battery may be a battery module. When there are multiple battery cells, the multiple battery cells are arranged and fixed to form a battery module.

[0077] In some embodiments, the battery may be a battery pack, which includes a case and battery cells, wherein the battery cells or battery modules are housed in the case.

[0078] In some embodiments, the box body can be used as a part of the chassis structure of the vehicle. For example, part of the box body can become at least a part of the floor of the vehicle, or part of the box body can become at least a part of the cross beam and longitudinal beam of the vehicle.

[0079] In some embodiments, the battery may be an energy storage device, including an energy storage container, an energy storage cabinet, and the like.

[0080] With the advancement of battery technology, the number of electric vehicles on the market has steadily increased. Improving space utilization and simplifying vehicle structures are key research issues. Existing vehicles typically feature seats, which are secured to support beams, supporting and securing the seats. These support beams are typically connected to the side rails of the vehicle body and / or other locations on the underbody support structure, often extending over the batteries.

[0081] However, placing the seat support beam over the battery results in a larger space required for the structural components supporting the seat, resulting in lower space utilization in this area, which is not conducive to improving the overall space utilization of the vehicle.

[0082] In view of this, an embodiment of the present application provides a technical solution, wherein the battery has a distribution box and a supporting component arranged at the opening of the distribution box. By reusing the supporting component serving as the cover of the distribution box as a supporting structure for external components, external components such as seats can be directly installed on the battery, thereby eliminating the original support beam structure spanning the battery and effectively improving space utilization.

[0083] The technical solutions described in the embodiments of the present application are applicable to batteries and electrical devices using batteries, such as mobile phones, portable devices, laptops, electric vehicles, electric cars, ships, spacecraft, electric toys and electric tools, etc., among which spacecraft include airplanes, rockets, space shuttles and spacecraft, etc., electric toys include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys and electric airplane toys, etc., and electric tools include metal cutting power tools, grinding power tools, assembly power tools and railway power tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete vibrators and electric planers.

[0084] The battery cells described in the embodiments of the present application are not limited to being applicable to the electrical devices described above, but for the sake of simplicity, the following embodiments are described using electric vehicles as an example.

[0085] Please refer to Figure 1, which is a simple schematic diagram of a vehicle 1000 provided in one embodiment of the present application. The vehicle 1000 can be a fuel vehicle, a gas vehicle or a new energy vehicle. The new energy vehicle can be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc. A battery 100 can be provided inside the vehicle 1000. For example, the battery 100 can be provided at the bottom, front or rear of the vehicle 1000. The battery 100 can be used to power the vehicle 1000. For example, the battery 100 can be used as an operating power source for the vehicle 1000. The vehicle 1000 can also include a controller 200 and a motor 300. The controller 200 is used to control the battery to power the motor 300, for example. The battery can be used for starting and navigating the vehicle 1000. Of course, the battery 100 can also be used to drive the vehicle 1000, replacing or partially replacing fuel or natural gas to provide drive for the vehicle 1000.

[0086] In the battery 100, there can be one or more battery cells 20. If there are multiple battery cells 20, the multiple battery cells 20 can be connected in series, in parallel, or in a hybrid connection. Hybrid connection refers to a combination of series and parallel connections among the multiple battery cells 20. The multiple battery cells 20 can be directly connected in series, in parallel, or in a hybrid connection, and then the entire battery cell 20 can be housed within the housing 500. Alternatively, multiple battery cells 20 can be first connected in series, in parallel, or in a hybrid connection to form a battery module, and then the multiple battery modules can be connected in series, in parallel, or in a hybrid connection to form a single unit and housed within the housing 500.

[0087] In some embodiments, there are multiple battery cells 20 , which are first connected in series, in parallel, or in series to form a battery module. The multiple battery modules are then connected in series, in parallel, or in series to form a whole, which is then housed in the box 500 .

[0088] Next, the structure of the battery 100 will be described with reference to FIG. 2 to FIG. 5 .

[0089] Please refer to Figures 2 to 4 together. Figure 2 is an exploded schematic diagram of a battery provided in some embodiments of the present application. Figure 3 is a cross-sectional view taken along line AA' in Figure 2 . Figure 4 is an enlarged view of area P in Figure 3 .

[0090] In the first aspect, an embodiment of the present application provides a battery 100, including a case 10, a battery cell 20, a distribution box 30 and a support component 40. The battery cell 20 is accommodated in the case 10, and the distribution box 30 is arranged outside the case 10. The distribution box 30 includes a shell 31 connected to the case 10 and an electrical component 32 accommodated in the shell 31. The shell 31 has an opening at one end away from the case 10, and the support component 40 covers the opening and is used to support the external component 400.

[0091] The present application provides a battery 100 , including a housing 10 , a plurality of battery cells 20 disposed in the housing 10 , a high-voltage distribution box 30 for distributing power to the battery cells 20 , and a support component 40 for supporting an external component 400 .

[0092] Specifically, the box body 10 may include a top plate, a bottom plate and a wall connected therebetween, which are arranged relative to each other in the thickness direction Z. The three together enclose a accommodating cavity, and the battery cell 20 is arranged in the accommodating cavity. Multiple battery cells 20 can be arranged in sequence along the length direction of the box body 10, or multiple battery cells 20 can be combined into multiple battery modules, and then these battery modules are arranged in an array in the accommodating cavity.

[0093] The distribution box 30 is arranged outside the box body 10 and is connected to the box body 10. The distribution box 30 includes a shell 31 and an electrical component 32 arranged in the shell 31. The shell 31 is connected to the box body 10, and the connection method can be selected from adhesive connection, welding connection, detachable connection or one-piece molding. The interior of the shell 31 is also enclosed to form a smaller accommodating cavity. The smaller accommodating cavity is provided with an opening on the side facing away from the box body 10. At the same time, the volume of the small accommodating cavity should be slightly larger than the volume of the electrical component 32 to facilitate installation while saving space. Optionally, the electrical component 32 can be a high-voltage distribution module of the battery 100 and is connected to each battery cell 20.

[0094] The support member 40 covers the opening connected to the aforementioned small receiving cavity and can be configured to seal the opening. While providing protection for the electrical device 32, the support member 40 can also connect to, support, and secure the external component 400. Specifically, the shape and size of the support member 40 can be adapted to the shape and size of the opening of the housing 31. At the same time, the support member 40 can be provided with a connecting structure to facilitate connection with the external component 400.

[0095] Optionally, the support component 40 can have a certain structural strength to provide stable and reliable support for the external component 400. Its preset load-bearing limit can be greater than or equal to 300 kg. The support component 40 can be detachably connected to the housing 31, with the aforementioned opening serving as a maintenance access for the distribution box 30 and the support component 40 acting as a maintenance cover. This allows the electrical components 32 to be repaired or replaced without completely disassembling the battery 100, by removing only the support component 40, thereby improving maintenance efficiency and reducing maintenance costs.

[0096] The support component 40 in the embodiment of the present application can not only facilitate the maintenance of the distribution box 30, but also provide support for the external component 400, that is, the external component 400 can be installed on the cover of the distribution box 30, thereby eliminating the original support beam structure and improving space utilization.

[0097] In some optional embodiments, the support component 40 is used to support a seat of a vehicle.

[0098] In an embodiment where the battery 100 is used in a vehicle, the external component 400 may be a seat in the vehicle, which may be selected as a front seat or a rear seat depending on the placement of the power distribution box 30 and the support component 40 in the battery 100. Optionally, the bottom plate of the vehicle seat and the support component 40 may be detachably connected to each other.

[0099] By applying the support component 40 to support seats in a vehicle, the original support component used to support the seats can be omitted, thereby effectively improving the space utilization rate of the entire vehicle.

[0100] In some optional embodiments, the supporting component 40 includes a cover plate 41 . The cover plate 41 is provided with a connecting portion. The connecting portion is protruded from the cover plate 41 toward a side facing away from the box body 10 .

[0101] The support member 40 can be constructed with a cover plate 41 and a connecting portion disposed directly on the cover plate 41. The connecting portion can be in the form of a connection hole, a bearing portion with a locally reinforced structure, a snap-on end protruding away from the housing 31, etc. The external member 400 can be mounted to the connecting portion using fasteners or other connecting members corresponding to the structural form of the connecting portion. Alternatively, the cover plate 41 can be a plate-like member extending along a plane and detachably connected to the housing 31.

[0102] By making the supporting component 40 adopt a structural form of a cover plate 41 with a connecting portion, the external component 400 to be supported can be directly connected to the cover plate 41, thereby further simplifying the structure, reducing costs, and further saving space.

[0103] In some optional embodiments, the cover plate 41 is provided with a plurality of connection portions, and the plurality of connection portions are arranged in an array and spaced apart.

[0104] The cover plate 41 may be provided with multiple connecting portions. These connecting portions may adopt the same structural form and have the same height in the thickness direction Z to facilitate the connection and positioning of the external component 400. The connecting portions may be arranged sequentially along a specific direction, or they may be arranged in an array. Optionally, the connecting portions may be arranged at equal intervals to ensure a more stable and reliable connection between the cover plate 41 and the external component 400.

[0105] Please refer to Figure 5, which is an exploded view of a support component 40 provided in one embodiment of the present application. In some optional embodiments, the support component 40 includes a cover plate 41 and a beam structure 42, and the beam structure 42 is stacked and arranged on a side of the cover plate 41 facing away from the box body 10.

[0106] In some optional embodiments, the beam structure 42 has a plurality of connection holes 421 extending through the beam structure 42 along the thickness direction Z thereof.

[0107] The support component 40 can be a structure that combines a cover plate 41 and a beam structure 42. The two are stacked, with the cover plate 41 covering the opening of the shell 31, and the beam structure 42 connected to the side of the cover plate 41 facing away from the shell 31. The beam structure 42 and the cover plate 41 can be made of the same material, and the thickness of the beam structure 42 is less than or equal to the thickness of the cover plate 41. The beam structure 42 is provided with a plurality of connection holes 421. These connection holes 421 are arranged along the thickness direction Z through the beam structure 42. These connection holes 421 can be arranged in an array and are arranged at equal intervals. The connection holes 421 can be circular holes to facilitate the insertion of fasteners through the connection holes 421 and the connection of the beam structure 42 to the external component 400.

[0108] The provision of the beam structure 42 further increases the overall structural strength of the support component 40, ensuring stable and reliable support. It also enables the cover plate 41 to maintain good sealing performance, providing good protection for the electrical components 32, thereby further improving the overall reliability of the battery 100. The provision of connection holes 421 in the beam structure 42 allows for installation and fixation by passing fasteners through the connection holes 421. This facilitates assembly and disassembly of the beam structure 42 and the external component 400, reducing disassembly and maintenance costs.

[0109] In some optional embodiments, the beam structure 42 is a plate-shaped structure and has a protrusion 422 protruding in a direction away from the cover plate 41 . In the thickness direction Z, the protrusion 422 and the cover plate 41 are spaced apart from each other.

[0110] The beam structure 42 can be a plate-like structure with concave and convex surfaces, and can be stacked with the cover plate 41. The plate-like structure has a protrusion 422 that protrudes upward, that is, away from the cover plate 41. There is a certain gap between the protrusion 422 and the cover plate 41, and the protrusions 422 are spaced apart from each other. The spacing in the thickness direction Z can be 5 mm to 10 mm. The beam structure 42 can be formed by stamping the protrusions 422.

[0111] Providing the beam structure 42 with the protrusion 422 can improve the structural strength of the beam structure 42 .

[0112] In some optional embodiments, the beam structure 42 has a plurality of protrusions 422 , each of which extends along the first direction X and is spaced apart in the second direction Y. The first direction X, the second direction Y, and the thickness direction Z are intersected in pairs, and the connecting holes 421 are all provided on the protrusions 422 .

[0113] The beam structure 42 may be provided with a plurality of protrusions 422 . These protrusions 422 may be strips of uniform width and extend along the first direction X. The widths of the protrusions 422 may be the same and they may be arranged at equal intervals in the second direction Y. The plurality of connection holes 421 on the beam structure 42 may all be provided on the protrusions 422 , so that fixing members can be provided at the intervals between the protrusions 422 and the cover plate 41 .

[0114] Optionally, the beam structure 42 may be provided with two or more protrusions 422, in which case both protrusions 422 may be provided with connection holes 421, and the number of connection holes 421 provided may be the same. Optionally, the beam structure 42 may be provided with three or more protrusions 422, in which case each connection hole 421 may be provided on each of the three protrusions 422, or each connection hole 421 may be provided on two of the protrusions 422, and the two protrusions 422 provided with connection holes 421 may be located on both side edges in the second direction Y.

[0115] The protrusions 422 extend in parallel strips, which can further improve the overall structural strength of the beam structure 42 and provide accommodation space for fasteners connecting the beam structure 42 to the external component 400.

[0116] In some optional embodiments, in the thickness direction Z, the orthographic projection of the beam structure 42 is located within the contour range of the orthographic projection of the cover plate 41 .

[0117] The support component 40 in this application is reused as the upper cover of the distribution box 30, covering the opening of the shell 31, providing support for the electrical components 32 while providing shielding and sealing. The cover plate 41 and the shell 312 are detachably connected to allow the electrical components 32 to be repaired or replaced without large-scale disassembly of the battery 100. In the thickness direction Z, the orthographic projection of the beam structure 42 can be located within the contour range of the orthographic projection of the cover plate 41, that is, the orthographic projection area of ​​the beam structure 42 on the cover plate 41 should be less than or equal to the area of ​​the cover plate 41, so that the cover plate 41 can be easily disassembled.

[0118] In some optional embodiments, the beam structure 42 and the cover plate 41 are integrally formed.

[0119] The beam structure 42 and the cover plate 41 can be connected by bonding, welding, detachably connected by fasteners, or integrally formed, and can optionally be integrally formed by casting or other methods. By integrally forming the beam structure 42 and the cover plate 41, the connection stability between the two and the overall structural strength of the support component can be improved.

[0120] In some optional embodiments, the cover plate 41 includes at least one of steel, aluminum and alloys thereof, and the thickness of the cover plate 41 is 0.1 mm-25 mm.

[0121] The cover plate 41 is used to support the external component 400. To ensure a certain structural strength, the cover plate 41 can be made of a metal material, such as steel, aluminum, or an aluminum alloy, and can be made of the same material as the box body 10. The thickness of the cover plate 41 is 0.1 mm to 25 mm, and can be selected from 0.1 mm, 5 mm, 10 mm, 15 mm, 20 mm, and 25 mm. The specific value can be selected based on the material and structure of the cover plate 41. For example, in an embodiment where the cover plate 41 is made of a relatively strong material, the thickness of the cover plate 41 can be relatively thin; in an embodiment where the cover plate 41 is made of a relatively weak material, the thickness of the cover plate 41 can be relatively thick.

[0122] Optionally, the thickness of the cover plate 41 can be selected based on the weight of the battery 100. For example, let the thickness of the cover plate 41 be H and the overall weight of the battery 100 be M. Then, 0.0001 ≤ H / M ≤ 5, or 0.0005 ≤ H / M ≤ 0.5. If this ratio is too large, the cover plate 41 is too heavy, which can easily reduce the overall energy density of the battery 100. If this ratio is too small, the cover plate 41 is too weak and can easily deform during the manufacturing process of the external component 400, resulting in a decrease in the overall reliability of the battery 100.

[0123] By increasing the thickness of the cover plate 41 , the overall supporting capability of the support member 40 can be increased, thereby improving the overall reliability of the battery 100 .

[0124] In some optional embodiments, the box 10 includes a supporting plate 11, a frame 12 and a bottom plate 13, the frame 12 is connected between the supporting plate 11 and the bottom plate 13, the distribution box 30 is arranged on the upper side of the supporting plate 11, and the battery cell 20 is fixed to the supporting plate 11.

[0125] The box body 10 includes a supporting plate 11 on the upper side, a bottom plate 13 on the lower side, and a frame 12 connected therebetween. The distribution box 30 is arranged on the upper side of the supporting plate 11, that is, on the side facing away from the frame 12. At the same time, the battery cell 20 is fixedly connected to the lower side of the supporting plate 11, that is, on the side facing away from the distribution box 30. In the thickness direction Z, the orthographic projections of the distribution box 30 and the battery cell 20 can partially overlap. Optionally, the battery cell 20 and the supporting plate 11 can be bonded to simplify the process and stabilize the connection. Multiple battery cells 20 can be arranged in an array and connected to the supporting plate 11 respectively.

[0126] The box body 10 is used to accommodate the battery cell 20. Optionally, the box body 10 can be of various structures. In some embodiments, the supporting plate 11 and the frame body 12 can be integrally provided, or the bottom plate 13 and the frame body 12 can be integrally provided, and the integrally provided hollow structure with one end open covers another of the three, and together encloses to form a housing cavity for mounting the battery cell 20. Alternatively, the frame body 12 can include two sub-parts that are respectively integrally provided with the supporting plate 11 and the bottom plate 13, and form two hollow structures with one end open and the openings facing each other in the thickness direction Z, and the two hollow structures together enclose to form a housing cavity for mounting the battery cell 20. Optionally, the frame body 12 can be of various shapes, such as a cylinder, a cuboid, etc.

[0127] Connecting the battery cells 20 to the carrier plate 11 can reduce the relative movement between the battery cells 20 and the carrier plate 11 when subjected to external impact, thereby making the structure of the carrier plate 11 more stable.

[0128] In some optional embodiments, an electrode terminal 21 and / or a pressure relief mechanism is provided on a side of the battery cell 20 away from the supporting plate 11 .

[0129] One of the two opposite surfaces of the battery cell 20 in the thickness direction Z may be provided with an electrode terminal 21 and / or a pressure relief mechanism. The electrode terminal 21 and the pressure relief mechanism are spaced apart from each other and both are provided on a side away from the carrier plate 11 .

[0130] The electrode terminals 21 and the pressure relief mechanism on the battery cell 20 are usually protruding to reduce the possibility of interference between the electrode terminals 21 and the support plate and the pressure when supporting the external component 400 affecting the electrode terminals 21 and the pressure relief mechanism.

[0131] In a second aspect, an embodiment of the present application provides an electrical device, comprising the battery 100 in any embodiment of the first aspect, and the battery 100 is used to provide electrical energy.

[0132] In some optional embodiments, the electric device is a vehicle.

[0133] Optionally, the electrical device is a vehicle, and the battery 100 is installed near the chassis of the vehicle to provide electrical energy for the vehicle to drive the vehicle and / or provide energy for auxiliary components such as the instrument panel in the vehicle.

[0134] The electrical device using the battery 100 may be a vehicle. By mounting components that need to be supported in the vehicle on the support component 40 , the support structure required to fix the components to be supported can be reduced, thereby improving the space utilization rate in the vehicle.

[0135] In some optional embodiments, the box body 10 includes a supporting plate 11 , a frame 12 , and a bottom plate 13 , wherein the supporting plate 11 is at least a portion of the floor of the vehicle.

[0136] The box body 10 can be composed of an upper supporting plate 11, a lower bottom plate 13 and a frame 12 connected therebetween, wherein the supporting plate 11 can be used as a part of the vehicle floor. Specifically, the upper side of the supporting plate 11 except for the area where the distribution box 30 is provided can be used as the floor, and other buffering or protective ply structures can be provided on the upper side of the supporting plate 11.

[0137] By using the carrying plate 11 as the bottom plate of the vehicle, the integration of the vehicle can be improved and the assembly process of the vehicle can be simplified.

[0138] In some alternative embodiments, the vehicle includes a seat connected to the support member 40 .

[0139] In the electrical device, the external component 400 to be supported by the support member 40 can be a seat, and the seat floor is detachably connected to the support member 40. In embodiments where the carrier plate 11 at least partially serves as the vehicle floor, the power distribution box 30 is disposed beneath the support member 40, that is, beneath the seat. The entire area of ​​the carrier plate 11, excluding the area where the power distribution box is disposed, can serve as the floor between the seats.

[0140] Optionally, the side area of ​​the vehicle can be provided with side beams for providing lateral support. In addition to the connection between the seat and the support component 40, the seat can also be connected to the side through auxiliary support beams. The lateral auxiliary support reduces the pressure on the distribution box 30 and the support component 40, further improving the reliability of the battery 100 and the vehicle as a whole.

[0141] The support component 40 can be used to support the seat, which can eliminate the need for the original crossbeam supporting the seat, thereby further improving the space utilization of the entire vehicle.

[0142] The present application provides a battery 100, comprising a housing 10, a battery cell 20 disposed within the housing 10, a distribution box 30 disposed outside the housing 10, and a support component 40 disposed within the distribution box 30. The distribution box 30 comprises a housing 31 connected to the housing 10 and an electrical component 32 housed within the housing 31. The housing 31 has an opening at one end away from the housing 10. The support component 40 covers the opening and is used to support an external component 400, which may be a vehicle seat. The support component 40 comprises an integrally formed cover plate 41 and a beam structure 42. The beam structure 42 is stacked on a side of the cover plate 41 facing away from the housing 10. The beam structure 42 is plate-shaped and has a protrusion 422 protruding away from the cover plate 41. The protrusion 422 is spaced apart from the cover plate 41 and is provided with a plurality of connection holes 421 extending through the cover plate 41 in the thickness direction Z.

[0143] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no structural conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A battery comprising: Box; A battery cell is housed in the box; A power distribution box is provided outside the box, the power distribution box comprises a shell connected to the box and electrical components accommodated in the shell, and the shell has an opening at one end away from the box; The supporting component covers the opening and is used to support the external component.

2. The battery according to claim 1, wherein The supporting member is used to support a seat of a vehicle.

3. The battery according to claim 1, wherein The supporting component includes a cover plate, and the cover plate is provided with a connecting portion. The connecting portion is protruded from the cover plate toward a side away from the box body.

4. The battery according to claim 3, wherein The cover plate is provided with a plurality of the connecting parts, and the plurality of the connecting parts are arranged in an array and spaced apart.

5. The battery according to claim 1, wherein The supporting component includes a cover plate and a beam structure, and the beam structure is arranged on a side of the cover plate away from the box body.

6. The battery according to claim 5, wherein The beam structure has a plurality of connection holes which are arranged through the beam structure along its thickness direction.

7. The battery according to claim 6, wherein The beam structure is plate-shaped and has a protruding portion protruding in a direction away from the cover plate. In the thickness direction, the protruding portion and the cover plate are spaced apart from each other.

8. The battery according to claim 7, wherein The beam structure has a plurality of protrusions, all of which extend along the first direction and are spaced apart in the second direction. The first direction, the second direction and the thickness direction intersect in pairs, and the connection holes are all provided in the protrusions.

9. The battery according to claim 5, wherein In the thickness direction, the orthographic projection of the beam structure is located within the contour range of the orthographic projection of the cover plate.

10. The battery according to claim 5, wherein The beam structure and the cover plate are integrally formed.

11. The battery according to any one of claims 3 to 10, wherein The cover plate includes at least one of steel, aluminum and alloys thereof, and the thickness of the cover plate is 0.1 mm-25 mm.

12. The battery according to any one of claims 1 to 10, wherein The box body includes a carrying plate, a frame body and a bottom plate. The frame body is connected between the carrying plate and the bottom plate. The distribution box is arranged on the upper side of the carrying plate. The battery cell is fixed to the carrying plate.

13. The battery according to claim 12, wherein An electrode terminal and / or a pressure relief mechanism is provided on a side of the battery cell away from the supporting plate.

14. An electrical device comprising the battery according to any one of claims 1 to 13, wherein the battery is used to provide electrical energy.

15. The electrical device according to claim 14, wherein: The power-consuming device is a vehicle.

16. The electrical device according to claim 15, wherein: The box body includes a carrying plate, a frame and a bottom plate, the frame is connected between the carrying plate and the bottom plate, the distribution box is arranged on the upper side of the carrying plate, and the battery cell is fixed to the carrying plate; The load-bearing plate is at least part of the floor of the vehicle.

17. The electrical device according to claim 15 or 16, wherein: The vehicle includes a seat connected to the support member.

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