WO2023236309A1 - 电池箱体、电池以及用电装置 - Google Patents

电池箱体、电池以及用电装置 Download PDF

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Publication number
WO2023236309A1
WO2023236309A1 PCT/CN2022/105263 CN2022105263W WO2023236309A1 WO 2023236309 A1 WO2023236309 A1 WO 2023236309A1 CN 2022105263 W CN2022105263 W CN 2022105263W WO 2023236309 A1 WO2023236309 A1 WO 2023236309A1
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WO
WIPO (PCT)
Prior art keywords
battery
housing
buffer
battery box
present application
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2022/105263
Other languages
English (en)
French (fr)
Inventor
岳贵成
潘鑫
可庆朋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Contemporary Amperex Technology Co Ltd
Original Assignee
Contemporary Amperex Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Contemporary Amperex Technology Co Ltd filed Critical Contemporary Amperex Technology Co Ltd
Priority to EP22945444.2A priority Critical patent/EP4407763A4/en
Publication of WO2023236309A1 publication Critical patent/WO2023236309A1/zh
Priority to US18/663,294 priority patent/US20240297387A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/233—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions
    • H01M50/242—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by physical properties of casings or racks, e.g. dimensions adapted for protecting batteries against vibrations, collision impact or swelling
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/262—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with fastening means, e.g. locks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Definitions

  • the present application relates to the field of battery technology, and in particular, to a battery box, a battery and an electrical device.
  • the battery is generally designed at the bottom of the car body, so the battery box also needs to have the function of absorbing certain external impacts and energy to ensure the safety of the battery.
  • the embodiment of the present application provides a battery box, a battery and an electrical device, which can absorb part of the external impact and improve the safety of the battery and the electrical device.
  • this application provides a battery box, including:
  • a casing having a receiving cavity for accommodating battery cells
  • the buffer component is provided with a plurality of buffer holes.
  • the buffer component is used to deform when subjected to external impact to reduce the stress transmitted to the shell.
  • a buffer assembly is provided on the casing of the battery box, and a buffer hole is provided on the buffer member to provide space for the deformation of the buffer member, effectively absorbing external impact force, preventing external impact from directly acting on the casing, and reducing
  • the deformation of the casing and the reduction of external impact damage to the battery cells inside the casing effectively improve the safety of the battery and extend the service life of the battery.
  • the orthographic projection of the buffer hole on the housing is at least one of a honeycomb shape, a racetrack shape, a circle, or an ellipse.
  • the buffer holes are arranged in a regular shape, which on the one hand can facilitate production and design, and on the other hand can evenly absorb the forces at various positions of the buffer component.
  • the buffer assembly includes a connecting piece and a buffering piece.
  • the connecting piece is provided on a side of the housing away from the battery cell.
  • the buffering piece is fixed to the housing through the connecting piece.
  • the buffering hole is provided in the buffering piece.
  • the buffer member is provided on a side of the connecting member facing away from the housing.
  • the buffer member arranged toward the outside of the battery can directly absorb external impacts and prevent the shell of the battery box from being damaged.
  • the buffer component is provided between the connecting component and the housing.
  • the buffer member can absorb the displacement of the battery box and prevent damage caused by the displacement of the battery box.
  • the housing includes a top plate, a bottom plate and a plurality of side plates connecting the top plate and the bottom plate.
  • the plurality of side plates, top plates and bottom plates enclose to form an accommodation cavity to accommodate the battery cells, and the connector is provided on the side plate away from the accommodation cavity. side of the cavity.
  • the side plate has a large area and a relatively flat surface, and is easily deformed by external impact. Therefore, the buffer component is arranged on the side plate to more effectively protect the weak parts of the housing.
  • the connector includes:
  • the main body is arranged opposite to any side plate, and the buffer member is arranged on the main body;
  • the connecting portion is formed by extending at least part of the edge of the body toward the side plate, and the connecting portion is connected to the side plate.
  • the connecting portion By providing the connecting portion, the strength of the connection between the connecting piece and the housing is improved.
  • the number of connecting parts is two, and the two connecting parts are arranged oppositely on both sides of the body.
  • the connecting parts can be snap-connected with the housing during installation, thereby improving the installation efficiency.
  • the body and the connecting portion are integrally formed.
  • the above structure can improve the strength of the connection between the body and the connecting part, and improve the efficiency of production and installation of the connecting parts.
  • the buffer member and the connecting member are integrally formed.
  • the strength of the connection between the buffer parts and the connecting parts can be improved, and the efficiency of production and installation of the buffer parts and the connecting parts can be improved.
  • the buffering member includes a first part and a second part, the first part is provided on the surface of the body, and the second part covers the connecting part and is connected to both sides of the first part.
  • the second part is provided to improve the strength and stability of the connection between the buffer member and the connecting member.
  • the present application provides a battery, which includes the battery box in the above embodiment.
  • the present application provides an electrical device, which includes the battery in the above embodiment, and the battery is used to provide electrical energy.
  • Figure 1 is a schematic structural diagram of a vehicle according to some embodiments of the present application.
  • Figure 2 is a schematic diagram of the exploded structure of a battery according to some embodiments of the present application.
  • FIG 3 is a schematic structural diagram of the battery module shown in Figure 2;
  • Figure 4 is a schematic structural diagram of a battery box provided by some embodiments of the present application.
  • Figure 5 is a schematic structural diagram of a buffer member according to some embodiments of the present application.
  • Figure 6 is a schematic structural diagram of a connector according to some embodiments of the present application.
  • Figure 7 is a schematic side structural view of a connector according to some embodiments of the present application.
  • Buffering component 401. Buffering piece; 402. Buffering hole; 403. Connecting piece; 404. Body; 405. Connecting part; 406. First part; 407. Second part.
  • an embodiment means that a particular feature, structure or characteristic described in connection with the embodiment can be included in at least one embodiment of the present application.
  • the appearances of this phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Those skilled in the art understand, both explicitly and implicitly, that the embodiments described herein may be combined with other embodiments.
  • multiple refers to more than two (including two).
  • multiple groups refers to two or more groups (including two groups), and “multiple pieces” refers to It is more than two pieces (including two pieces).
  • the new energy vehicle market is developing rapidly.
  • the safety and reliability of batteries are crucial to the entire system.
  • the battery is designed at the bottom of the car body. Therefore, if the battery is subject to external impact during operation of the car, it will cause the casing to be deformed or damaged, resulting in a decrease in the efficiency and safety of the battery cells in the casing. The battery lifespan is shortened.
  • the battery box includes: a buffer component, which is provided with a buffer hole.
  • the buffer component is used for Deforms when subjected to external impact to reduce stress transmitted to the housing.
  • a buffer component is provided on the battery box, which can effectively absorb the external impact received by the case, reduce the deformation of the case, and reduce the damage to the battery cells inside the case caused by the external impact, effectively Improve battery safety and extend battery life.
  • Embodiments of the present application provide an electrical device that uses a battery as a power source.
  • the electrical device may be, but is not limited to, a mobile phone, a tablet, a laptop, an electric toy, an electric tool, a battery car, an electric vehicle, a ship, a spacecraft, etc.
  • electric toys can include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys, electric airplane toys, etc.
  • spacecraft can include airplanes, rockets, space shuttles, spaceships, etc.
  • an electric device 1000 according to an embodiment of the present application is used as an example.
  • FIG. 1 is a schematic structural diagram of a vehicle 1000 provided by some embodiments of the present application.
  • the vehicle 1000 may be a fuel vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle may be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc.
  • the battery 100 is disposed inside the vehicle 1000 , and the battery 100 may be disposed at the bottom, head, or tail of the vehicle 1000 .
  • the battery 100 may be used to power the vehicle 1000 .
  • battery 100 may serve as an operating power source for vehicle 1000 .
  • the vehicle 1000 may also include a controller 200 and a motor 300 .
  • the controller 200 is used to control the battery 100 to provide power to the motor 300 , for example, for starting, navigating and driving the vehicle 1000 .
  • the battery 100 can not only be used as an operating power source for the vehicle 1000 , but also can be used as a driving power source for the vehicle 1000 , replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1000 .
  • FIG. 2 is a schematic diagram of an exploded structure of a battery 100 according to some embodiments of the present application.
  • the battery 100 includes a case 10 and battery cells (not shown in the figure).
  • the battery cells are accommodated in the case 10 .
  • the casing 10 is used to provide a storage space for the battery cells, and the casing 10 can adopt a variety of structures.
  • the housing 10 includes a first housing 11 and a second housing 12, the first housing 11 and the second housing 12 cover each other, and the first housing 11 and the second housing 12 jointly define to provide space for accommodating battery cells.
  • the second housing 12 may be a hollow structure with one end open, and the first housing 11 may be a plate-like structure.
  • the first housing 11 covers the open side of the second housing 12 so that the first housing 11 and the second housing 11 are connected to each other.
  • the two shells 12 jointly define an accommodation space; the first shell 11 and the second shell 12 can also be hollow structures with one side open, and the open side of the first shell 11 is covered with the second shell 12 Open side.
  • the housing 10 formed by the first housing 11 and the second housing 12 can be in various shapes, such as a cylinder, a rectangular parallelepiped, etc.
  • the battery 100 there may be multiple battery cells, and the multiple battery cells may be connected in series, in parallel, or in mixed connection.
  • Mixed connection means that the multiple battery cells are connected in series and in parallel. Multiple battery cells can be directly connected in series, parallel, or mixed together, and then the whole composed of multiple battery cells can be accommodated in the casing 10 .
  • the battery 100 can also be in the form of a battery module in which multiple battery cells are first connected in series, parallel or mixed, and then multiple battery modules are connected in series, parallel or mixed to form a whole, and are accommodated in the casing 10 .
  • Each battery cell can be a secondary battery or a primary battery; it can also be a lithium-sulfur battery cell, a sodium-ion battery cell or a magnesium-ion battery cell, but is not limited thereto.
  • the battery cell 20 may also be in the shape of a cylinder, a flat body, a rectangular parallelepiped or other shapes.
  • the battery cell in the embodiment of this application refers to the smallest unit that makes up the battery. As shown in FIG. 3 , the battery cell 20 includes an end cover 21 , a casing 22 , an electrode assembly 23 and other functional components.
  • the end cap 21 refers to a component that covers the opening of the casing 22 to isolate the internal environment of the battery cell 20 from the external environment.
  • the shape of the end cap 21 may be adapted to the shape of the housing 22 to fit the housing 22 .
  • the end cap 21 can be made of a material with a certain hardness and strength (such as aluminum alloy). In this way, the end cap 21 is less likely to deform when subjected to extrusion and collision, so that the battery cell 20 can have higher durability. Structural strength and safety performance can also be improved.
  • Electrodes 25 may be provided on the end cap 21 .
  • the electrode terminal 25 may be used to electrically connect with the electrode assembly 23 for outputting or inputting electrical energy of the battery cell 20 .
  • the end cap 21 may also be provided with a pressure relief mechanism 24 for releasing the internal pressure when the internal pressure or temperature of the battery cell 20 reaches a threshold.
  • the end cap 21 can also be made of various materials, such as copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc., which are not particularly limited in the embodiment of the present application.
  • the electrode assembly 23 is a component in the battery cell 20 where electrochemical reactions occur.
  • One or more electrode assemblies 23 may be contained within housing 22 .
  • the electrode assembly 23 is mainly formed by winding or stacking positive electrode sheets and negative electrode sheets, and an isolation film is usually provided between the positive electrode sheets and the negative electrode sheets.
  • the portions of the positive electrode sheet and the negative electrode sheet that contain active material constitute the main body of the electrode assembly, and the portions of the positive electrode sheet and the negative electrode sheet that do not contain active material each constitute the tabs.
  • the positive electrode tab and the negative electrode tab can be located together at one end of the main body or respectively located at both ends of the main body. During the charging and discharging process of the battery, the positive active material and the negative active material react with the electrolyte, and the tabs are connected to the electrode terminals 25 to form a current loop.
  • Figure 4 is a schematic structural diagram of the battery box 101 provided by some embodiments of the present application
  • Figure 5 is a schematic structural diagram of the buffer 401 of some embodiments of the present application
  • Figure 6 is a schematic structural diagram of some implementations of the present application
  • FIG. 7 is a schematic structural diagram of the connecting member 403 of some embodiments of the present application.
  • a battery box 101 provided by an embodiment of the present application includes a housing 10 and a buffer component 40 .
  • the case 10 is used to accommodate the battery cells 20 .
  • a plurality of buffer holes 402 are provided on the buffer component 40 .
  • the buffer component 40 is used to deform when it receives an external impact, so as to reduce the stress transmitted to the housing 10 .
  • the buffer component 40 has a porous structure, so when it receives an external impact, the porous structure can be compressed to absorb the external impact and reduce the external force transmitted to the battery box 101 .
  • the housing 10 may include an end cover 21 and a shell 22 .
  • the end cap 21 refers to a component that covers the opening of the casing 22 to isolate the internal environment of the battery cell 20 from the external environment.
  • One or more electrode assemblies 23 may be contained within housing 22 .
  • the housing 10 can also be made of various materials, such as copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc., which are not particularly limited in the embodiments of the present application.
  • a buffer component 40 is provided on the casing 10 of the battery box 101.
  • a buffer hole 402 is provided on the buffer component 40 to provide space for the deformation of the buffer component 40, effectively absorbing external impact force and preventing external impact.
  • the impact acts directly on the housing 22 . It can effectively absorb external impacts to the casing 10 , reduce deformation of the casing 10 and reduce damage to the battery cells 20 inside the casing 10 due to external impacts, effectively improving the safety of the battery 100 and extending the service life of the battery 100 .
  • the orthographic projection of the buffer hole 402 on the housing 10 is at least one of a honeycomb shape, a track shape, a circle, or an ellipse.
  • the buffer holes 402 are arranged in a regular shape, which on the one hand can facilitate production and design, and on the other hand can evenly absorb the forces at various positions of the buffer assembly 40 .
  • the hexagonal shape of the above-mentioned honeycomb structure has a certain degree of stability and can maintain its own stability when it does not receive external impact.
  • the hexagonal shape supports a large internal space, which can provide a large deformation space to absorb a large amount of external force impacts.
  • the buffer assembly 40 includes a connector 403 and a buffer 401 .
  • the connector 403 is provided on the side of the housing 10 away from the battery cell 20 , and the buffer 401 It is fixed to the housing 10 through the connecting member 403, and the buffer hole 402 is provided in the buffer member 401.
  • the connecting member 403 is used to connect the buffer member 401 and the housing 10 .
  • the connecting member 403 and the housing 10 can be fixedly connected, and the connecting member 403 and the housing 10 can also be detachably connected.
  • the connecting piece 403 can be configured as a plate structure and is arranged parallel to the surface of the housing 10 to achieve a stable connection between the buffer assembly 40 and the housing 10 .
  • the connector 403 can be disposed to fit the outer surface of the casing 10 to reduce the overall dimensions of the battery box 101 .
  • the connecting member 403 may be made of materials with high compressive strength, such as stainless steel, aluminum alloy, steel plates, etc., to form protection for the housing 22 .
  • the buffer member 401 can be pre-installed on the connector 403, and then the connector 403 is connected to the housing 10, which improves the installation efficiency of the buffer assembly 40.
  • the buffer member 401 is provided on the side of the connecting member 403 facing away from the housing 10 , and the buffer hole 402 is provided on the buffer member 401 .
  • the buffer member 401 is provided toward the outside of the battery box 101 and can directly absorb external impacts.
  • the buffer member 401 is provided between the connecting member 403 and the housing 10 .
  • the buffer member 401 can absorb the displacement of the battery box 101 and prevent damage caused by the displacement of the battery box.
  • the buffer component 40 can be made of flexible materials that absorb external forces, including polyurethane, rubber and other materials.
  • the buffer component 40 on the surface can be released and restored to its original shape.
  • the buffer member 401 is made of a flexible material, the material itself may have a porous structure, and the holes in the material itself may serve as the buffer holes 402 .
  • the flexible material may also be perforated to create buffer holes 402 of a specific shape.
  • the buffer component 40 can also be made of a material with a certain strength to form a hard protection for the housing 10 , for example, made of metal materials, including stainless steel, ordinary steel plates, etc.
  • the buffer hole 402 on the buffer member 401 can provide space for the deformation of the hard material, preventing the buffer member 401 from directly transmitting the force to the shell 22 after being impacted, causing damage to the shell 22 .
  • the housing 10 includes a top plate 15, a bottom plate 13, and a plurality of side plates 14 connecting the top plate 15 and the bottom plate 13.
  • the plurality of side plates 14, the top plate 15, and the bottom plate 13 enclose a receiving cavity 27.
  • the accommodation cavity 27 is used to accommodate the battery cells 20 .
  • the connecting piece 403 is provided on the side of the side plate 14 facing away from the accommodating cavity 27 .
  • the top plate 15 , the bottom plate 13 and the side plates 14 can all have a flat structure to form a hexahedral housing 10 with a relatively stable structure.
  • the side plates 14 may have two different sizes, and the two opposite side plates 14 have the same area and are parallel to each other.
  • the area of the top plate 15 and the bottom plate 13 is smaller than that of the side plate 14 which is larger in area.
  • the side plate 14 of the housing 10 has a large area and a relatively flat surface, and is easily deformed by external impacts. Therefore, the buffer assembly 40 is disposed on the side plate 14 to more effectively protect the weak parts of the housing 10. .
  • the buffer assembly 40 can also be disposed on the top plate 15 and the bottom plate 13 to form protection for the top plate 15 and the bottom plate 13 .
  • the specific structure can be set according to the installation position of the battery box 101, and is not limited here.
  • the connecting piece 403 includes: a body 404 and a connecting portion 405 .
  • the main body 404 is arranged opposite to any one of the side plates 14 , and the buffer member 401 is provided on the main body 404 .
  • the connecting portion 405 is formed by extending at least part of the edge of the body 404 toward the side plate 14 , and the connecting portion 405 is connected to the adjacent side plate 14 .
  • the size of the connecting portion 405 along the length direction of the side plate 14 can be set to be equal to that of the opposite side plate 14 to increase the connection strength and stability between the connecting portion 405 and the housing 10 .
  • the body 404 extends toward the side plate 14 , thereby increasing the surface area of the connecting member 403 . Therefore, the above structure improves the strength of the connection between the connecting member 403 and the housing 10 by providing the connecting portion 405 .
  • the body 404 is a plate-like structure arranged in parallel along the side panel 14, and the body 404 completely covers the side panel 14 in the orthographic projection of the corresponding side panel 14.
  • the above technical solution forms a comprehensive protection for the side plate 14 by the main body 404, which can improve the strength of the connection between the buffer member 401 and the side plate 14, and enhance the protective function of the main body 404 for the housing 10.
  • the orthographic projection of the buffer member 401 on the side panel 14 completely covers the corresponding side panel 14 .
  • the above structure increases the coverage area of the side plate 14 by the buffer component 40, which can effectively improve the protection capability of the buffer component 40.
  • the number of connecting portions 405 is two, and the two connecting portions 405 are disposed oppositely on both sides of the body 404 .
  • the connecting portion 405 has a plate-like structure, and the connecting portion 405 extends along the surfaces of the two adjacent side plates 14 corresponding to the side plates 14 .
  • the main body 404 is connected to the two adjacent side plates 14 by providing connecting parts 403 to ensure the structural integrity of the main body 404 and the buffer part 401.
  • the above technical solution increases the connection stability between the buffer member 401 and the housing 10 by arranging two opposite connection parts 405, and ensures the structural integrity of the buffer member 401, ensures the buffering function, and improves installation efficiency.
  • the body 404 and the connecting portion 405 are integrally formed.
  • the body 404 and the connecting part 405 can be made of the same material, which simplifies the manufacturing process and reduces the manufacturing cost.
  • the edges of the body 404 are bent 90° in opposite directions to form the connecting portion 405 .
  • the above structure can improve the strength of the connection between the body 404 and the connecting part 405, and improve the efficiency of production and installation of the connecting piece 403.
  • the connecting piece 403 is connected to the housing 10 through a snap connection.
  • the above structure can improve the connection efficiency between the connecting member 403 and the housing 10 .
  • the buffer member 401 and the connecting member 403 are integrally formed.
  • the above structure can improve production efficiency.
  • the buffering member 401 and the connecting member 403 can both be made of flexible materials, which not only satisfies the buffering function but also improves manufacturing convenience.
  • the buffer member 401 includes a first part 406 and a second part 407.
  • the first part 406 is provided on the surface of the body 404, and the second part 407 covers the connecting part 405 and is connected to both sides of the first part 406.
  • the second part 407 is connected to the connecting part 405, which increases the connection stability between the buffering member 401 and the connecting member 403.
  • the second part 407 itself also has buffering properties and can protect at least part of the two adjacent side plates 14. form protection.
  • the present application also provides a battery 100, including the battery box 101 described in any of the above solutions.
  • the battery 100 may also include a battery cell 20 , and the battery cell 20 is disposed in the accommodation cavity of the battery box 101 .
  • the battery box 101 includes a housing 10 and a buffer component 40 .
  • the casing 10 has a receiving cavity 27 for accommodating battery cells, and the buffer assembly 40 is used to deform when subjected to external impact to reduce the stress transmitted to the casing 10 .
  • the buffer component 40 is provided with a plurality of buffer holes 402 . By providing the buffer hole 402 on the buffer member 401, space is provided for the deformation of the buffer member 401, and external impact force is effectively absorbed to prevent external impact from directly acting on the housing 22.
  • the above-mentioned battery 100 is provided with a buffer component 40 for absorbing external impacts to the casing 10, reducing deformation of the casing 10 and reducing damage to the battery cells 20 inside the casing 10 due to external impacts, effectively improving the performance of the battery 100.
  • Safety extends battery life by 100%.
  • the present application also provides an electrical device, including the battery 100 described in any of the above solutions, and the battery 100 is used to provide electrical energy for the electrical device.
  • the above-mentioned battery 100 is provided with the buffer assembly 40, it can also achieve the technical effects of improving the ability of the battery box 101 to prevent external impact and improving the safety and efficiency of the battery.
  • the power-consuming device may be any of the aforementioned devices or systems using the battery 100 .
  • the electrical device in this application can achieve smoother, safer and more efficient operation.

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Abstract

本申请公开了一种电池箱体、电池以及用电装置，电池箱体包括壳体以及缓冲组件，壳体用于容纳电池单体，缓冲组件上设有多个缓冲孔，缓冲组件用于在受到外部冲击时变形，以减小传导至壳体的应力。本申请实施例的技术方案中，在电池箱体的壳体上设置缓冲组件，并且缓冲组件上设置缓冲孔，为缓冲件的变形提供空间吸收外部冲击力，防止外部冲击直接作用至外壳，减少壳体的变形以及降低外部冲击对壳体内部的电池单体的破坏，有效提升电池的安全性延长电池的使用寿命。

Description

电池箱体、电池以及用电装置
相关申请的交叉引用
本申请要求享有于2022年06月08日提交的名称为“电池箱体、电池以及用电装置”的中国专利申请202221404850.4的优先权，该申请的全部内容通过引用并入本文中。
技术领域
本申请涉及电池技术领域，尤其涉及一种电池箱体、电池以及用电装置。
背景技术
随着新能源汽车的技术发展，越来越多的人选择新能源汽车作为交通工具出行。为保证车内人员的安全，降低事故造成的损伤，在车身结构的设计方面主要以汽车的结构缓冲与吸能为主。
目前，在一些情况下，电池一般设计在车身底部，因此电池箱体也需要具备吸收一定的外部冲击与吸能的功能，保证电池的安全。
发明内容
本申请实施方式提供了一种电池箱体、电池以及用电装置，能够吸收一部分的外力冲击，提升电池以及用电装置安全性。
第一方面，本申请提供了一种电池箱体，包括：
壳体，具有用于容纳电池单体的容纳腔；
缓冲组件，设有多个缓冲孔，缓冲组件用于在受到外部冲击时变形，以减小传导至壳体的应力。
本申请实施例的技术方案中，在电池箱体的壳体上设置缓冲组件，缓冲件上设置缓冲孔为缓冲件的变形提供空间，有效吸收外部冲击力，防止外部冲击直接作用至外壳，减少壳体的变形以及降低外部冲击对壳体内部的电池单体的破坏，有效提升电池的安全性延长电池的使用寿命。
在一些实施例中，缓冲孔在壳体上的正投影为蜂窝形、跑道型、圆形或椭圆形中的至少一种。上述的结构，将缓冲孔设置为规则的形状，一方面能够便于生产和设计，另一方面能够均衡吸收缓冲组件各个位置的受力。
在一些实施例中，缓冲组件包括连接件和缓冲件，连接件设于壳体背离电池单体的一侧，缓冲件通过连接件固定于壳体，缓冲孔设于缓冲件。上述的结构中，能够将缓冲件预先安装于连接件上，然后将连接件与壳体连接，提升了缓冲组件的安装效率。
在一些实施例中，缓冲件设于连接件背离壳体的一侧。缓冲件朝向电池的外部设置能够直接吸收外部冲击，防止电池箱体的壳体遭到破坏。
在一些实施例中，缓冲件设于连接件与壳体之间。上述的结构，缓冲件能够对电池箱体的位移进行吸收，防止电池箱体移位造成的损坏。
在一些实施例中，壳体包括顶板、底板以及连接顶板和底板的多个侧板，多个侧板、顶板以及底板围合形成容纳腔以容纳电池单体，连接件设于侧板背离容纳腔的一侧。上述的结构中，侧板的面积较大并且表面比较平整，容易受到外部冲击导致变形，因此缓冲组件设置在侧板能够更有效的对壳体的薄弱部位进行保护。
在一些实施例中，连接件包括：
本体，与任意一个侧板相对设置，缓冲件设于本体；
连接部，由本体的边缘的至少部分朝向侧板方向延伸形成，且连接部与侧板连接。
通过设置连接部，提升连接件与壳体之间连接的强度。
在一些实施例中，连接部的数量为两个，两个连接部相对设于本体的两侧。通过设置两个相对的连接部，在安装时可以将连接部与壳体进行卡接，提升安装效率。
在一些实施例中，本体与连接部为一体成型。上述的结构能够提升本体与连接部之间连接的强度，以及提升连接件的生产以及安装的效率。
在一些实施例中，缓冲件以及连接件为一体成型。上述结构中，能够提升缓冲件以及连接件之间连接的强度，以及提升缓冲件以及连接件的生产以及安装的效率。
在一些实施例中，缓冲件包括第一部分以及第二部分，第一部分设于本体的表面，第二部分覆盖连接部并与第一部分的两侧连接。上述的结构中，设置第二部分提升缓冲件与连接件之间连接的强度以及稳定性。
第二方面，本申请提供了一种电池，其包括上述实施例中的电池箱体。
第三方面，本申请提供了一种用电装置，其包括上述实施例中的电池，电池用于提供电能。
上述说明仅是本申请技术方案的概述，为了能够更清楚了解本申请的技术手段，而可依照说明书的内容予以实施，并且为了让本申请的上述和其它目的、特征和优点能够更明显易懂，以下特举本申请的具体实施方式。
附图说明
下面将参考附图来描述本申请示例性实施例的特征、优点和技术效果。
图1为本申请一些实施例的车辆的结构示意图；
图2为本申请一些实施例的电池的分解结构示意图；
图3为图2所示的电池模块的结构示意图；
图4为本申请一些实施例提供的电池箱体的结构示意图；
图5为本申请一些实施例的缓冲件的结构示意图；
图6为本申请一些实施例的连接件的结构示意图；
图7为本申请一些实施例的连接件的侧视结构示意图。
附图标记详细说明：
1000、车辆；
100、电池；200、控制器；300、马达；101、电池箱体；
10、壳体；11、第一壳体；12、第二壳体；13、底板；14、侧板；15、顶板；
20、电池单体；21、端盖；22、外壳；23、电极组件；24、泄压机构；25、电极端子；27、容纳腔；
40、缓冲组件；401、缓冲件；402、缓冲孔；403、连接件；404、本体；405、连接部；406、第一部分；407、第二部分。
具体实施方式
下面将结合附图对本申请技术方案的实施例进行详细的描述。以下实施例仅用于更加清楚地说明本申请的技术方案，因此只作为示例，而不能以此来限制本申请的保护范围。
除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同；本文中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本申请；本申请的说明书和权利要求书及上述附图说明中的术语“包括”和“具有”以及它们的任何变形，意图在于覆盖不排他的包含。
在本申请实施例的描述中，技术术语“第一”“第二”等仅用于区别不同对象，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量、特定顺序或主次关系。在本申请实施例的描述中，“多个”的含义是两个以上，除非另有明确具体的限定。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
在本申请实施例的描述中，术语“和/或”仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。另外，本文中字符“/”，一般表示前后关联对象是一种“或”的关系。
在本申请实施例的描述中，术语“多个”指的是两个以上(包括两个)，同理，“多组”指的是两组以上(包括两组)，“多片”指的是两片以上(包括两片)。
在本申请实施例的描述中，技术术语“中心”“纵向”“横向”“长度”“宽度”“厚度”“上”“下”“前”“后”“左”“右”“竖直”“水平”“顶”“底”“内”“外”“顺时针”“逆时针”“轴向”“径向”“周向”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请实施例和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请实施例的限制。
在本申请实施例的描述中，除非另有明确的规定和限定，技术术语“安装”“相连”“连接”“固定”等术语应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；也可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。对于本领域的普通技术人员而言，可以根据具体情况理解上述术语在本申请实施例中的具体含义。
目前，新能源汽车市场发展迅速，电池作为新能源汽车的动力来源，其安全可靠程度对整个系统至关重要。在一些情况下，电池设计在车身底部，因此电池在汽车运行过程中如果受到外部冲击，则会导致壳体的变形或破损，从而造成壳体中的电池单体的效率以及安全性下降，电池的寿命缩短。
基于上述的问题，为了提高电池抗外部冲击的能力，提升电池的安全性以及效率，发明人设计了一种电池箱体，该电池箱体包括：缓冲组件，设有缓冲孔，缓冲组件用于在受到外部冲击时变形，以减小传导至所述壳体的应力。本申请实施例的技术方案中，在电池箱体上设置缓冲组件，能够有效的吸收壳体受到的外部冲击，减少壳体的变形以及降低外部冲击对壳体内部的电池单体的破坏，有效提升电池的安全性延长电池的使 用寿命。
本申请实施例提供一种使用电池作为电源的用电装置，用电装置可以为但不限于手机、平板、笔记本电脑、电动玩具、电动工具、电瓶车、电动汽车、轮船、航天器等等。其中，电动玩具可以包括固定式或移动式的电动玩具，例如，游戏机、电动汽车玩具、电动轮船玩具和电动飞机玩具等等，航天器可以包括飞机、火箭、航天飞机和宇宙飞船等等。
以下实施例为了方便说明，以本申请一实施例的一种用电装置为车辆1000为例进行说明。
请参照图1，图1为本申请一些实施例提供的车辆1000的结构示意图。车辆1000可以为燃油汽车、燃气汽车或新能源汽车，新能源汽车可以是纯电动汽车、混合动力汽车或增程式汽车等。车辆1000的内部设置有电池100，电池100可以设置在车辆1000的底部或头部或尾部。电池100可以用于车辆1000的供电。例如，电池100可以作为车辆1000的操作电源。车辆1000还可以包括控制器200和马达300，控制器200用来控制电池100为马达300供电，例如，用于车辆1000的启动、导航和行驶时的工作用电需求。
在本申请一些实施例中，电池100不仅可以作为车辆1000的操作电源，还可以作为车辆1000的驱动电源，代替或部分地代替燃油或天然气为车辆1000提供驱动动力。
请参照图2，图2为本申请一些实施例的电池100的分解结构示意图。电池100包括壳体10和电池单体(图中未示出)，电池单体容纳于壳体10内。其中，壳体10用于为电池单体提供容纳空间，壳体10可以采用多种结构。
在一些实施例中，壳体10包括第一壳体11和第二壳体12，第一壳 体11与第二壳体12相互盖合，第一壳体11和第二壳体12共同限定出用于容纳电池单体的容纳空间。第二壳体12可以为一端开口的空心结构，第一壳体11可以为板状结构，第一壳体11盖合于第二壳体12的开口侧，以使第一壳体11与第二壳体12共同限定出容纳空间；第一壳体11和第二壳体12也可以是均为一侧开口的空心结构，第一壳体11的开口侧盖合于第二壳体12的开口侧。当然，第一壳体11和第二壳体12形成的壳体10可以是多种形状，比如，圆柱体、长方体等。
在电池100中，电池单体可以是多个，多个电池单体之间可串联或并联或混联，混联是指多个电池单体中既有串联又有并联。多个电池单体之间可直接串联或并联或混联在一起，再将多个电池单体构成的整体容纳于壳体10内。当然，电池100也可以是多个电池单体先串联或并联或混联组成电池模块形式，多个电池模块再串联或并联或混联形成一个整体，并容纳于壳体10内。
其中，每个电池单体可以为二次电池或一次电池；还可以是锂硫电池单体、钠离子电池单体或镁离子电池单体，但不局限于此。电池单体20也可呈圆柱体、扁平体、长方体或其它形状等。
本申请实施例中的电池单体，是指组成电池的最小单元。如图3所示，电池单体20包括有端盖21、外壳22、电极组件23以及其他的功能性部件。
端盖21是指盖合于外壳22的开口处，以将电池单体20的内部环境隔绝于外部环境的部件。不限地，端盖21的形状可以与外壳22的形状相适应以配合外壳22。可选地，端盖21可以由具有一定硬度和强度的材质(如铝合金)制成，这样，端盖21在受挤压碰撞时就不易发生形变，使电池单体20能够具备更高的结构强度，安全性能也可以有所提高。
端盖21上可以设置有如电极端子25等的功能性部件。电极端子25可以用于与电极组件23电连接，以用于输出或输入电池单体20的电能。在一些实施例中，端盖21上还可以设置有用于在电池单体20的内部压力或温度达到阈值时泄放内部压力的泄压机构24。端盖21的材质也可以是多种的，比如，铜、铁、铝、不锈钢、铝合金、塑胶等，本申请实施例对此不作特殊限制。
电极组件23是电池单体20中发生电化学反应的部件。外壳22内可以包含一个或更多个电极组件23。电极组件23主要由正极片和负极片卷绕或层叠放置形成，并且通常在正极片与负极片之间设有隔离膜。正极片和负极片具有活性物质的部分构成电极组件的主体部，正极片和负极片不具有活性物质的部分各自构成极耳。正极极耳和负极极耳可以共同位于主体部的一端或是分别位于主体部的两端。在电池的充放电过程中，正极活性物质和负极活性物质与电解液发生反应，极耳连接电极端子25以形成电流回路。
请结合参考图4至图7，图4为本申请一些实施例提供的电池箱体101的结构示意图；图5为本申请一些实施例的缓冲件401的结构示意图；图6为本申请一些实施例的连接件403的结构示意图；图7为本申请一些实施例的连接件403的侧视结构示意图。
如图2以及图4所示，本申请实施例提供的一种电池箱体101，包括壳体10以及缓冲组件40。壳体10用于容纳电池单体20。缓冲组件40上设有多个缓冲孔402，缓冲组件40用于在受到外部冲击时变形，以减小传导至壳体10的应力。
缓冲组件40为多孔结构，因此在受到外部冲击时可以对多孔结构进行压缩以吸收外部冲击，降低传导至电池箱体101的外力。
壳体10可以包括端盖21、外壳22。端盖21是指盖合于外壳22的开口处，以将电池单体20的内部环境隔绝于外部环境的部件。外壳22内可以包含一个或更多个电极组件23。壳体10的材质也可以是多种的，比如，铜、铁、铝、不锈钢、铝合金、塑胶等，本申请实施例对此不作特殊限制。
本申请实施例的技术方案中，电池箱体101的壳体10上设置缓冲组件40，通过在缓冲组件40上设置缓冲孔402，为缓冲组件40的变形提供空间，有效吸收外部冲击力防止外部冲击直接作用至外壳22。能够有效的吸收壳体10受到的外部冲击，减少壳体10的变形以及降低外部冲击对壳体10内部的电池单体20的破坏，有效提升电池100的安全性延长电池100的使用寿命。
在本申请的一些实施例中，缓冲孔402在壳体10上的正投影为蜂窝形、跑道型、圆形或椭圆形中的至少一种。上述的结构，将缓冲孔402设置为规则的形状，一方面能够便于生产和设计，另一方面能够均衡吸收缓冲组件40各个位置的受力。示例性的，如图5所示，上述的蜂窝结构的六边形具有一定的稳定性，能够在没有收到外力冲击时保持自身稳定。同时，六边形的形状支撑起的内部空间较大，能够提供较大的变形空间以吸收大量的外力冲击。
在本申请的一些实施例中，如图4以及图6所示，缓冲组件40包括连接件403以及缓冲件401，连接件403设于壳体10背离电池单体20的一侧，缓冲件401通过连接件403固定于壳体10，缓冲孔402设于缓冲件401。
连接件403用于连接缓冲件401以及壳体10，连接件403与壳体10之间可以固定连接，连接件403与壳体10之间也可以进行可拆卸连接。 连接件403可以设置为板体结构，并与壳体10的表面平行设置，以实现缓冲组件40与壳体10之间的稳定连接。并且，连接件403可以贴合壳体10的外表面设置，降低电池箱体101的外形尺寸。可选地，连接件403可以采用具有较高的抗压强度的材料，例如不锈钢、铝合金以及钢板等材料，以形成对外壳22的防护。
上述的结构中，能够将缓冲件401预先安装于连接件403上，然后将连接件403与壳体10连接，提升了缓冲组件40的安装效率。
在本申请的一些实施例中，请参考图4，缓冲件401设于连接件403背离壳体10的一侧，缓冲孔402设于缓冲件401上。上述的结构中，缓冲件401朝向电池箱体101的外部设置，能够直接吸收外部冲击。
在本申请的一些实施例中，缓冲件401设于连接件403与壳体10之间。上述的结构，缓冲件401能够对电池箱体101的位移以进行吸收，防止由于箱体的位移造成的损坏。
在本申请的一些实施例中，缓冲组件40可以采用吸收外力的柔性材料制成，包括聚氨酯、橡胶等材料。上述的方案中，当电池箱体101受到一定的外力冲击后，表面的缓冲组件40能够释放并恢复原有形状。当采用柔性材料制作缓冲件401时，可以是材料本身为多孔结构，那么材料本身孔洞即可作为缓冲孔402。也可以在柔性材料上穿孔，以制作特定形状的缓冲孔402。
在本申请的一些实施例中，缓冲组件40也可以采用具有一定的强度的材料制作，以形成对壳体10的硬性保护，例如使用金属材料制成，包括不锈钢、普通钢板等。当采用硬性的材料制作缓冲件401，缓冲件401上的缓冲孔402能够为硬性材料的形变提供空间，防止缓冲件401受到冲击后直接将受力传导至外壳22，导致外壳22的破损。
上述的结构，可以根据使用需要进行设置，在此不做限制。
在本申请的一些实施例中，壳体10包括顶板15、底板13以及连接顶板15和底板13的多个侧板14，多个侧板14、顶板15以及底板13围合形成容纳腔27，容纳腔27用于容纳电池单体20。连接件403设于侧板14背离容纳腔27的一侧。
顶板15、底板13以及侧板14可以均为平板状的结构，以组成结构较为稳定的六面体形壳体10。其中，侧板14可以具有两种不同的尺寸，相对设置的两块侧板14面积相同，且相互平行。顶板15以及底板13的面积均小于面积较大的侧板14。
上述的结构中，壳体10的侧板14的面积较大并且表面比较平整，容易受到外部冲击导致变形，因此缓冲组件40设置在侧板14能够更有效的对壳体10的薄弱部位进行保护。然而，缓冲组件40同样可以设置在顶板15以及底板13，对顶板15以及底板13形成防护。具体的结构可以根据电池箱体101的设置位置进行设置，在此不做限制。
在本申请的一些实施例中，如图7所示，连接件403包括：本体404以及连接部405。本体404与任意一个侧板14相对设置，缓冲件401设于本体404。连接部405由本体404的边缘的至少部分朝向侧板14方向延伸形成，且连接部405与相邻的侧板14连接。连接部405沿侧板14长度方向上的尺寸可以设置为与相对的侧板14相等，以增大连接部405与壳体10之间的连接强度和稳定性。
本体404朝向侧板14延伸，增大了连接件403的表面积，因此，上述的结构，通过设置连接部405，提升连接件403与壳体10之间连接的强度。
在一些实施例中，本体404为沿着侧板14平行设置的板状结构，且 本体404在对应侧板14的正投影完全覆盖该侧板14。上述的技术方案，将本体404对侧板14形成全面的防护，能够提升缓冲件401与侧板14之间连接的强度，并且增强本体404对壳体10的保护功能。
在一些实施例中，缓冲件401在侧板14上的正投影完全覆盖对应的侧板14。上述的结构，增加了缓冲组件40对侧板14的覆盖面积，能够有效的提升缓冲组件40的保护能力。
在本申请的一些实施例中，连接部405的数量为两个，两个连接部405相对设于本体404的两侧。连接部405为板状结构，且连接部405沿着对应侧板14相邻的两个侧板14的表面延伸。通过设置连接件403将本体404与相邻的两个侧板14进行连接，以保证本体404以及缓冲件401结构的完整性。
上述的技术方案通过设置两个相对的连接部405，增加缓冲件401与壳体10之间的连接稳定性，并且保证了缓冲件401的结构完整性，保证了缓冲功能，提升安装效率。
在本申请的一些实施例中，本体404与连接部405为一体成型。本体404以及连接部405可以采用同种材料制作，简化了制作工艺降低了制作成本。示例性的，本体404的边缘朝向相对的方向弯折90°可形成连接部405。上述的结构能够提升本体404与连接部405之间连接的强度，以及提升连接件403的生产以及安装的效率。
在本申请的一些实施例中，连接件403与壳体10之间通过卡接连接。上述的结构，能够提升连接件403与壳体10之间连接的效率。
在本申请的一些实施例中，缓冲件401以及连接件403为一体成型。上述的结构能够提高生产效率。示例性的，缓冲件401以及连接件403可以均采用柔性材料制作，满足缓冲功能的同时，提升制造的便利 性。
在本申请的一些实施例中，缓冲件401包括第一部分406以及第二部分407，第一部分406设于本体404的表面，第二部分407覆盖连接部405并与第一部分406的两侧连接。第二部分407与连接部405连接，增加了缓冲件401与连接件403之间的连接稳定性，并且第二部分407本身也具备缓冲性，能够对相邻的两块侧板14的至少部分形成防护。
根据本申请的一些实施例，本申请还提供了一种电池100，包括以上任一方案所述的电池箱体101。具体的，电池100还可以包括电池单体20，电池单体20设于电池箱体101的容纳腔内。电池箱体101包括壳体10以及缓冲组件40。壳体10具有用于容纳电池单体的容纳腔27，缓冲组件40用于在受到外部冲击时变形，以减小传导至壳体10的应力。缓冲组件40上设有多个缓冲孔402。通过在缓冲件401上设置缓冲孔402，为缓冲件401的变形提供空间，有效吸收外部冲击力防止外部冲击直接作用至外壳22。
上述的电池100，设有缓冲组件40，用于吸收壳体10受到的外部冲击，减少壳体10的变形以及降低外部冲击对壳体10内部的电池单体20的破坏，有效提升电池100的安全性延长电池100的使用寿命。
根据本申请的一些实施例，本申请还提供了一种用电装置，包括以上任一方案所述的电池100，并且电池100用于为用电装置提供电能。
上述的电池100由于设置了缓冲组件40，同样能够实现，提高电池箱体101防外部撞击的能力，提升电池的安全性以及效率的技术效果。用电装置可以是前述任一应用电池100的设备或系统。在电池100具备上述技术效果的前提下，本申请中的用电装置能够达到更平稳、安全以及高效的运行。
最后应说明的是：以上各实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述各实施例对本申请进行了详细的说明，本领域的普通技术人员应当理解：其依然可以对前述各实施例所记载的技术方案进行修改，或者对其中部分或者全部技术特征进行等同替换；而这些修改或者替换，并不使相应技术方案的本质脱离本申请各实施例技术方案的范围，其均应涵盖在本申请的权利要求和说明书的范围当中。尤其是，只要不存在结构冲突，各个实施例中所提到的各项技术特征均可以任意方式组合起来。本申请并不局限于文中公开的特定实施例，而是包括落入权利要求的范围内的所有技术方案。

Claims (10)

  1. 一种电池箱体(101)，包括：
    壳体(10)，用于容纳电池单体(20)；
    缓冲组件(40)，设有多个缓冲孔(402)，所述缓冲组件(40)用于在受到外部冲击时变形，以减小传导至所述壳体(10)的应力，
    所述缓冲组件(40)包括连接件(403)和缓冲件(401)，所述连接件(403)设于所述壳体(10)背离所述电池单体(20)的一侧，所述缓冲件(401)通过所述连接件(403)固定于所述壳体(10)，所述缓冲孔(402)设于所述缓冲件(401)，
    所述缓冲件(401)设于所述连接件(403)背离所述壳体(10)的一侧。
  2. 根据权利要求1所述的电池箱体(101)，其中，所述缓冲孔(402)在所述壳体(10)上的正投影为蜂窝形、跑道型、圆形或椭圆形中的至少一种。
  3. 根据权利要求1所述的电池箱体(101)，其中，所述壳体(10)包括顶板(15)、底板(13)以及连接所述顶板(15)和所述底板(13)的多个侧板(14)，所述多个侧板(14)、所述顶板(15)以及所述底板(13)围合形成容纳腔(27)以容纳所述电池单体(20)，所述连接件(403)设于所述侧板(14)背离所述容纳腔(27)的一侧。
  4. 根据权利要求3所述的电池箱体(101)，其中，所述连接件(403)包括：
    本体(404)，与任意一个所述侧板(14)相对设置，所述缓冲件(401)设于所述本体(404)；
    连接部(405)，由所述本体(404)的边缘的至少部分朝向所述侧板(14)方向延伸形成，且所述连接部(405)与所述侧板(14)连接。
  5. 根据权利要求4所述的电池箱体(101)，其中，所述连接部(405)的数 量为两个，两个所述连接部(405)相对设于所述本体(404)的两侧。
  6. 根据权利要求5所述的电池箱体(101)，其中，所述缓冲件(401)包括第一部分(406)以及第二部分(407)，所述第一部分(406)设于所述本体(404)的表面，所述第二部分(407)覆盖所述连接部(405)并与所述第一部分(406)的两侧连接。
  7. 根据权利要求4至6中任一项所述的电池箱体(101)，其中，所述本体(404)与所述连接部(405)为一体成型。
  8. 根据权利要求6所述的电池箱体(101)，其中，所述缓冲件(401)以及所述连接件(403)为一体成型。
  9. 一种电池(100)，包括如权利要求1至8中任一项所述的电池箱体(101)。
  10. 一种用电装置，包括如权利要求9所述的电池(100)，所述电池(100)用于提供电能。
PCT/CN2022/105263 2022-06-08 2022-07-12 电池箱体、电池以及用电装置 Ceased WO2023236309A1 (zh)

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Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115275474B (zh) * 2022-09-19 2023-01-24 蜂巢能源科技股份有限公司 一种电池箱体结构和电池包
CN116250141B (zh) * 2022-09-23 2025-03-07 宁德时代新能源科技股份有限公司 箱体、电池及车辆
CN119029443A (zh) * 2023-05-26 2024-11-26 宁德时代新能源科技股份有限公司 电池箱体、电池、电池安装框架车架以及用电装置
CN119069936A (zh) * 2023-05-31 2024-12-03 比亚迪股份有限公司 电池包和用电设备
CN119133745A (zh) * 2023-06-13 2024-12-13 宁德时代新能源科技股份有限公司 电池和车辆
WO2025060007A1 (zh) * 2023-09-21 2025-03-27 宁德时代新能源科技股份有限公司 缓冲件、电池单体、电池和用电装置
CN120826802A (zh) * 2023-09-21 2025-10-21 宁德时代新能源科技股份有限公司 缓冲件、电池单体、电池及用电装置
CN121195397A (zh) * 2024-04-22 2025-12-23 宁德时代新能源科技股份有限公司 电池以及车辆
CN119328810B (zh) * 2024-12-20 2025-03-18 北京人形机器人创新中心有限公司 一种机器人躯干及机器人
CN121035498A (zh) * 2025-09-22 2025-11-28 深圳市天盛泰科技有限公司 一种具有加强结构的储能电池塑胶壳体

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206451745U (zh) * 2017-01-23 2017-08-29 湖北汽车工业学院 一种防撞缓冲的电动车电池箱结构
CN210073957U (zh) * 2019-07-01 2020-02-14 武汉艾森威尔科技有限公司 一种抗震性能好的船用电池箱体
CN210576135U (zh) * 2019-11-11 2020-05-19 深圳市宇鸿新科电子有限公司 一种具有防撞保护板的动力电池模组
CN215070114U (zh) * 2021-02-03 2021-12-07 广东省中科腾月科技有限公司 一种多重缓冲保护电池包
CN216413130U (zh) * 2021-09-29 2022-04-29 宁德时代新能源科技股份有限公司 一种电池单体、电池包及用电装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114552095A (zh) * 2020-11-25 2022-05-27 比亚迪股份有限公司 电池托盘、电池包及电动汽车

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206451745U (zh) * 2017-01-23 2017-08-29 湖北汽车工业学院 一种防撞缓冲的电动车电池箱结构
CN210073957U (zh) * 2019-07-01 2020-02-14 武汉艾森威尔科技有限公司 一种抗震性能好的船用电池箱体
CN210576135U (zh) * 2019-11-11 2020-05-19 深圳市宇鸿新科电子有限公司 一种具有防撞保护板的动力电池模组
CN215070114U (zh) * 2021-02-03 2021-12-07 广东省中科腾月科技有限公司 一种多重缓冲保护电池包
CN216413130U (zh) * 2021-09-29 2022-04-29 宁德时代新能源科技股份有限公司 一种电池单体、电池包及用电装置

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of EP4407763A4 *

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