WO2024077414A1 - 电池包 - Google Patents

电池包 Download PDF

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Publication number
WO2024077414A1
WO2024077414A1 PCT/CN2022/124080 CN2022124080W WO2024077414A1 WO 2024077414 A1 WO2024077414 A1 WO 2024077414A1 CN 2022124080 W CN2022124080 W CN 2022124080W WO 2024077414 A1 WO2024077414 A1 WO 2024077414A1
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WO
WIPO (PCT)
Prior art keywords
sub
battery pack
shell
housing
plate
Prior art date
Application number
PCT/CN2022/124080
Other languages
English (en)
French (fr)
Inventor
金陈飞
邓长水
Original Assignee
宁德新能源科技有限公司
厦门新能达科技有限公司
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 宁德新能源科技有限公司, 厦门新能达科技有限公司 filed Critical 宁德新能源科技有限公司
Priority to PCT/CN2022/124080 priority Critical patent/WO2024077414A1/zh
Publication of WO2024077414A1 publication Critical patent/WO2024077414A1/zh

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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/60Heating or cooling; Temperature control
    • H01M10/61Types of temperature control
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/251Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for stationary devices, e.g. power plant buffering or backup power supplies

Definitions

  • the present application relates to the field of batteries, and in particular to a battery pack.
  • Rechargeable cells are batteries that can be recharged to activate the active material after the cells are discharged and continue to be used. Rechargeable cells are widely used in electronic devices, such as mobile phones, laptops, etc.
  • Battery modules usually include multiple cells to meet the voltage requirements of electronic devices.
  • the battery releases heat during operation, so how to improve the heat dissipation of the battery module and the charging and discharging performance of the battery module has always been a research direction in the industry.
  • the present application provides a battery pack that can enhance the heat dissipation efficiency of a battery module and improve the cycle performance of the battery module.
  • an embodiment of the present application provides a battery pack, comprising a first housing, a battery module, and a second housing.
  • the first housing has a first opening.
  • the battery module is accommodated in the first housing.
  • the second housing is connected to the first housing, the second housing comprises a first sub-housing and a second sub-housing, the first sub-housing is connected to the first housing and covers at least part of the first opening, the second sub-housing is connected to the first housing, and the first sub-housing and/or the second sub-housing are configured to be openable.
  • At least one of the first sub-shell and the second sub-shell can be opened, so that the internal space of the first shell can be connected to the space outside the battery pack through the first opening, and the heat generated by the battery module can be dissipated to the outside of the battery pack through the first opening, thereby improving the heat dissipation efficiency of the battery module and improving the cycle performance of the battery module.
  • the first sub-shell and the second sub-shell can be opened to maintain the battery module through the first opening, which can save maintenance time, simplify the disassembly and assembly process of the battery pack, and improve efficiency.
  • the battery module and the first sub-shell are arranged opposite to each other along a first direction.
  • the heat generated by the battery module can be dissipated to the outside of the battery pack through the first opening, thereby improving the heat dissipation efficiency of the battery module and improving the cycle performance of the battery module.
  • the battery pack further comprises a control component contained in the first housing, the control component and the battery module are spaced apart from each other along a second direction perpendicular to the first direction, and the control component and the second sub-housing are arranged opposite to each other along the first direction.
  • Setting the control component and the battery module apart can reduce heat transfer between the battery module and the control component, reduce thermal impact between the battery module and the control component, and improve the cycle performance of the battery module and the performance of the control component.
  • the first opening includes a first area and a second area
  • the first subshell covers at least a portion of the first area
  • the second subshell covers at least a portion of the second area
  • the second sub-shell can be opened, and the heat generated by the control component can be dissipated to the outside of the battery pack through the second area, thereby improving the heat dissipation efficiency of the control component and improving the performance of the control component.
  • the second sub-shell can be opened to maintain the control component through the second area, which can save maintenance time, simplify the disassembly and assembly process of the battery pack, and improve efficiency.
  • the first housing includes a partition that separates the first opening into a first region and a second region.
  • the partition can support the portion of the first housing that surrounds the first opening, reduce deformation of the first opening, and improve stability and safety of the battery pack.
  • control assembly includes a circuit board, a control component and a heat conducting plate
  • the circuit board includes a first surface and a second surface arranged opposite to each other along a third direction, the third direction is perpendicular to the first direction and the second direction, the second surface is connected to the first housing, and the control component and the heat conducting plate are arranged on the first surface.
  • the heat conductive plate can conduct the heat generated by the circuit board and the heat generated by the control components to dissipate the heat outward, thereby lowering the temperature of the circuit board and the control components and reducing the risk of failure of the circuit board and the control components.
  • control component includes a control chip.
  • control chip is located between the battery module and the heat conducting plate, which is beneficial to improving the heat dissipation of the battery pack.
  • the heat conducting plate when viewed from the first direction, is higher than the control component in the third direction.
  • the heat conducting plate is higher than the control component in the third direction, which can increase the heat dissipation area of the heat conducting plate and improve the heat dissipation efficiency of the heat conducting plate.
  • the battery pack further includes a heat dissipation component disposed on the first housing, and the heat dissipation component is opposite to at least a portion of the heat conducting plate along a first direction.
  • the heat dissipation component can be used to dissipate heat on the heat conducting plate to the outside of the battery pack. Placing the heat dissipation component opposite to at least a portion of the heat conducting plate can improve heat dissipation efficiency.
  • control component includes a capacitor
  • the heat dissipation component is opposite to at least a portion of the capacitor along a first direction.
  • the heat dissipation component can be used to dissipate heat from the capacitor to the outside of the battery pack. Placing the heat dissipation component opposite to at least a portion of the capacitor can improve heat dissipation efficiency.
  • the heat conducting plate includes a first heat conducting plate and a second heat conducting plate spaced apart along the second direction. When viewed from the third direction, the capacitor is located between the first heat conducting plate and the second heat conducting plate in the second direction.
  • the first heat conducting plate and the second heat conducting plate can block the capacitor from both sides to reduce the heat diffusion of the capacitor to the surroundings and reduce the thermal impact of the capacitor on other components.
  • the airflow passing through the first heat conducting plate and the second heat conducting plate can take away the heat generated by the capacitor to reduce the temperature of the capacitor and improve the working performance of the capacitor.
  • control component includes a control chip.
  • the second heat conducting plate When viewed from the third direction, the second heat conducting plate is located between the control chip and the capacitor in the second direction. The second heat conducting plate can separate the control chip from the capacitor, reduce the heat conducted from the capacitor to the control chip, reduce the temperature of the control chip, and improve the performance and life of the control chip.
  • the second sub-housing is arranged opposite to the heat dissipation component along the first direction.
  • the second sub-housing is provided with a plurality of through holes, and at least part of the plurality of through holes is opposite to the heat dissipation component along the first direction.
  • the heat dissipation component dissipates the heat inside the battery pack to the outside of the battery pack through the plurality of through holes to improve the heat dissipation efficiency.
  • the battery module when viewed from the first direction, is higher than the heat conducting plate in the third direction.
  • the battery pack further includes a convex wall disposed between the battery module and the control assembly.
  • the convex wall can isolate the heat generated by the control assembly, reduce the thermal impact on the battery module, reduce the risk of thermal runaway of the battery module, and improve safety.
  • the battery pack further comprises a first component disposed on the first housing; the control component is connected to the first component via a cable.
  • the control component can transmit a signal to the first component via the cable so that the first component can achieve a predetermined function.
  • the second housing further includes a third sub-housing, and the third sub-housing is connected to the first sub-housing and the second sub-housing.
  • the third sub-housing covers at least a portion of the first component.
  • the third sub-housing can protect the first component to reduce the risk of damage to the first component when the battery pack is subjected to external impact.
  • the first sub-shell is provided with a first mating portion
  • the second sub-shell is provided with a second mating portion.
  • the first mating portion is configured to be able to move from a first position of the second mating portion to a second position.
  • the first mating portion is clamped to the second sub-shell in the first position, and the first mating portion is rotatably connected to the second sub-shell in the second position.
  • the first position and the second position are arranged along the second direction.
  • the first sub-housing includes a first portion
  • the second sub-housing includes a second portion
  • the first portion and the second portion are arranged along the second direction
  • the first matching portion and the second matching portion are located between the first portion and the second portion in the second direction.
  • the second housing further includes a third sub-housing, at least a portion of the third sub-housing is located between the first portion and the second portion and abuts against the first portion and the second portion.
  • a first recess is provided on a surface of the first part facing the second part, and a second recess is provided on a surface of the second part facing the first part.
  • a first buckle and a second buckle are respectively provided at two ends of the third sub-housing along the second direction, the first buckle is inserted into the first recess, and the second buckle is inserted into the second recess.
  • the battery pack further includes a first plate, the first plate is located on a side of the first portion facing the first shell and connected to the first shell, and the first plate covers at least a portion of the first opening.
  • the first plate is provided with a second opening
  • the first sub-shell includes a third buckle, the third buckle is provided on an end surface of the first portion facing the first shell, and the third buckle passes through the second opening.
  • the third buckle is engaged with the first plate when the first mating portion is in the first position, and the third buckle is released from the engagement with the first plate when the first mating portion is in the second position.
  • the first plate is provided with a third opening; the battery pack further comprises a second component, the second component passes through the third opening and is electrically connected to the battery module.
  • a third recess is provided on a side of the first part facing the first plate, and at least a portion of the second component is accommodated in the third recess.
  • the first sub-housing includes a third portion connected to the first portion, and the third portion is located between the first portion and the second portion in the second direction.
  • the first matching portion is provided on the third portion.
  • a first hole is provided on a side of the third part facing the first shell, and a first convex portion is provided on the first plate to be inserted into the first hole.
  • the first hole includes a first hole portion and a second hole portion that are interconnected, and the aperture of the second hole portion is larger than the aperture of the first hole portion.
  • the first convex portion is inserted into the first hole portion when the first matching portion is in the first position, and the first convex portion is inserted into the second hole portion when the first matching portion is in the second position.
  • the third portion is provided with a second hole.
  • the battery pack further comprises a first component
  • the second housing comprises a third sub-housing
  • the first component is at least partially accommodated in the second hole
  • at least a portion of the third sub-housing is located between the first portion and the second portion and covers at least a portion of the first component.
  • the first component includes a display screen.
  • the second sub-housing includes a second protrusion, the second protrusion protrudes from the surface of the second part facing the first part along the second direction, and the second matching portion is arranged on the second protrusion.
  • the first sub-housing also includes a fourth part, the fourth part is connected to the first part and is arranged opposite to the second protrusion along a third direction, and the third direction is perpendicular to the second direction.
  • the first matching portion protrudes from the surface of the fourth part facing the second protrusion along the third direction and is inserted into the second matching portion.
  • the second mating portion includes a third hole; a dimension of the third hole along a third direction at the second position is greater than a dimension of the third hole along the third direction at the first position, and the third direction is perpendicular to the second direction and the third direction.
  • the second portion covers at least a portion of the first opening.
  • the battery pack further includes a second plate, the second plate is located on a side of the second portion facing the first shell and connected to the first shell, and the second plate covers at least a portion of the first opening.
  • the second plate and the second portion are arranged along a third direction.
  • the second plate is provided with a fourth opening
  • the second sub-shell includes a fourth buckle, the fourth buckle is provided on the end surface of the second portion facing the first shell, and the fourth buckle passes through the fourth opening.
  • the fourth buckle is engaged with the second plate when the first mating portion is in the first position, and the fourth buckle is released from the engagement with the second plate when the first mating portion is in the second position.
  • the battery pack further comprises a heat dissipation component, at least a portion of which is accommodated in the first housing.
  • the second plate is provided with a fifth opening, the heat dissipation component is opposite to the fifth opening along a third direction, and the second portion covers the fifth opening.
  • FIG1 is a schematic diagram of the structure of a battery pack provided in one embodiment of the present application.
  • FIG2 is another schematic diagram of the structure of the battery pack shown in FIG1 , wherein the cover plate is omitted;
  • FIG3 is a schematic top view of the battery pack shown in FIG2 ;
  • FIG4 is an exploded schematic diagram of the battery pack shown in FIG2 ;
  • FIG5 is an enlarged schematic diagram of FIG2 at block A
  • FIG6 is a cross-sectional schematic diagram of a battery pack provided in an embodiment of the present application.
  • FIG7 is a schematic structural diagram of the battery pack shown in FIG2 when the first sub-housing is opened;
  • FIG8 is a schematic structural diagram of the battery pack shown in FIG2 when the second sub-housing is opened;
  • FIG9 is a schematic structural diagram of the second housing shown in FIG2 ;
  • FIG10 is an exploded schematic diagram of the second housing shown in FIG9 ;
  • FIG11 is a schematic diagram of the first sub-housing and the second sub-housing shown in FIG10 at another angle;
  • FIG12 is an enlarged schematic diagram of FIG11 at the circle B;
  • FIG13 is a schematic structural diagram of a first plate of a battery pack provided in one embodiment of the present application.
  • FIG14 is an enlarged schematic diagram of FIG11 at the circle C;
  • FIG15 is a schematic structural diagram of the first sub-housing shown in FIG11;
  • FIG16 is a schematic structural diagram of the second sub-housing shown in FIG11;
  • FIG17 is a schematic diagram of the structure of a second plate of a battery pack provided in one embodiment of the present application.
  • FIG18 is another schematic diagram of the first sub-housing and the second sub-housing shown in FIG11;
  • FIG. 19 is an exploded schematic diagram of a battery pack provided in another embodiment of the present application.
  • First shell 11. First opening; 111. First area; 112. Second area; 12. First wall; 13. Shell opening; 14. Partition; 15. Second wall; 16. Third wall; 17. Fourth wall; 18. Fifth wall; 2. Battery module; 3. Second shell;
  • first sub-shell 311. first matching portion; 312. first part; 312a. first recess; 312b. third recess; 313. third buckle; 314. third part; 3141. first hole; 3141a. first hole portion; 3141b. second hole portion; 3142. second hole; 315. fourth part; 32. second sub-shell; 321. second matching portion; 321a. third hole; 322. second part; 322a. second recess; 323. second convex portion; 324. fourth buckle; 325. through hole;
  • connection should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components.
  • installation e.g., it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components.
  • parallel includes not only the absolutely parallel situation, but also the roughly parallel situation conventionally recognized in engineering; at the same time, “vertical” also includes not only the absolutely vertical situation, but also the roughly vertical situation conventionally recognized in engineering. For example, if the angle between two directions is 80°-90°, the two directions can be considered to be perpendicular; if the angle between two directions is 0°-10°, the two directions can be considered to be parallel.
  • the battery pack of the embodiment of the present application includes a first shell 1, a battery module 2, and a second shell 3.
  • the first shell 1 has a first opening 11.
  • the battery module 2 is accommodated in the first shell 1.
  • the second shell 3 is connected to the first shell 1, and the second shell 3 includes a first subshell 31 and a second subshell 32.
  • the first subshell 31 is connected to the first shell 1 and covers at least part of the first opening 11.
  • the second subshell 32 is connected to the first shell 1, and the first subshell 31 and/or the second subshell 32 are configured to be openable.
  • At least one of the first sub-shell 31 and the second sub-shell 32 can be opened, so that the internal space of the first shell 1 can be connected to the space outside the battery pack through the first opening 11, and the heat generated by the battery module 2 can be dissipated to the outside of the battery pack through the first opening 11, thereby improving the heat dissipation efficiency of the battery module 2 and improving the cycle performance of the battery module 2.
  • at least one of the first sub-shell 31 and the second sub-shell 32 can be opened to maintain the battery module 2 through the first opening 11, which can save maintenance time, simplify the disassembly and assembly process of the battery pack, and improve efficiency.
  • the first sub-housing 31 is configured to be openable.
  • the second sub-housing 32 covers at least a portion of the first opening 11 , and the second sub-housing 32 is configured to be openable.
  • the battery module 2 includes a plurality of battery cells, and the plurality of battery cells may be connected in series, in parallel, or in mixed connection.
  • Mixed connection means that the plurality of battery cells are connected in both series and in parallel.
  • the battery cell may be a lithium ion battery cell, a sodium lithium ion battery cell, a sodium ion battery cell, a magnesium ion battery cell or other types of battery cells, which are not limited in the present application.
  • the battery cell is a soft pack battery cell.
  • the first housing 1 includes a first wall 12, a second wall 15, a third wall 16, a fourth wall 17, and a fifth wall 18.
  • the first wall 12, the second wall 15, the third wall 16, and the fourth wall 17 enclose a first opening 11.
  • the fifth wall 18 is opposite to the first opening 11 in a first direction Z.
  • the third wall 16 and the fourth wall 17 are arranged oppositely along the second direction X, and the first wall 12 and the second wall 15 are arranged oppositely along the third direction Y.
  • the first direction Z, the second direction X, and the third direction Y are perpendicular to each other.
  • the second wall 15 , the third wall 16 and the fourth wall 17 are connected to form a U-shaped frame structure.
  • the frame structure forms a housing opening 13 opposite to the second wall 15 in the third direction Y.
  • the first wall 12 covers the housing opening 13 .
  • the battery pack further includes a first plate 4 and a second plate 7, wherein the first plate 4 is connected to the first wall 12, the second wall 15, and the third wall 16, and the first plate 4 covers a portion of the first opening 11.
  • the second plate 7 is connected to the first wall 12, the second wall 15, and the fourth wall 17, and the second plate 7 is spaced apart from the first plate 4 and covers a portion of the first opening 11.
  • the first wall 12 may be connected to the frame structure by bonding, clamping, welding or other methods to cover the housing opening 13 .
  • the battery module 2 is disposed on the second wall 15.
  • the battery module 2 is bonded to the surface of the second wall 15 opposite to the housing opening 13 by glue.
  • the first sub-housing 31 is connected to the first plate 4 .
  • the first sub-housing 31 covers a portion of the first opening 11 .
  • the battery module 2 and the first sub-housing 31 are arranged opposite to each other along the first direction Z.
  • the first sub-housing 31 is opened, the heat generated by the battery module 2 can be dissipated to the outside of the battery pack through the first opening 11, thereby improving the heat dissipation efficiency of the battery module 2 and the cycle performance of the battery module 2.
  • the battery pack further includes a control component 9 accommodated in the first housing 1, and the control component 9 and the battery module 2 are spaced apart along a second direction X perpendicular to the first direction Z.
  • the control component 9 and the second sub-housing 32 are disposed opposite to each other along the first direction Z.
  • control component 9 is disposed on the second wall 15 , for example, fixed to the second wall 15 by fixing members such as screws.
  • the battery module 2 When viewed along the first direction Z, the battery module 2 overlaps with the first sub-housing 31 , and the control assembly 9 overlaps with the second sub-housing 32 .
  • control component 9 and the battery module 2 apart can reduce heat transfer between the battery module 2 and the control component 9, reduce thermal impact between the battery module 2 and the control component 9, and improve the cycle performance of the battery module 2 and the use performance of the control component 9.
  • the first opening 11 includes a first area 111 and a second area 112, the first sub-housing 31 covers at least part of the first area 111, and the second sub-housing 32 covers at least part of the second area 112.
  • the second sub-housing 32 is configured to be openable.
  • the first area 111 and the second area 112 may be connected or separated.
  • the second sub-housing 32 can be opened, and the heat generated by the control component 9 can be dissipated to the outside of the battery pack through the second area 112, thereby improving the heat dissipation efficiency of the control component 9 and improving the performance of the control component 9.
  • the second sub-housing 32 can be opened to maintain the control component 9 through the second area 112, which can save maintenance time, simplify the disassembly and assembly process of the battery pack, and improve efficiency.
  • the battery module 2 and the control assembly 9 overlap when viewed from the second direction X.
  • This embodiment can utilize space to reduce the distance between the battery module 2 and the control assembly 9, facilitating wiring harness connection.
  • the battery module 2 is closer to the fifth wall 18 than the control assembly 9 in the first direction Z.
  • the space between the fifth wall 18 and the control assembly 9 helps to improve heat dissipation, facilitates wiring harness arrangement, reduces interference between wiring harnesses, and reduces the probability of wiring harness failure.
  • control component 9 is electrically connected to the battery module 2 to realize the charging and discharging control of the battery module 2.
  • the control component is fixed to the first housing 1.
  • control component 9 is bonded to the second wall 15 of the first housing 1.
  • the control assembly 9 includes a circuit board 92, a control component 93 and a heat conducting plate 94
  • the circuit board 92 includes a first surface 921 and a second surface 922 arranged opposite to each other along a third direction Y, and the third direction Y is perpendicular to the first direction Z and the second direction X.
  • the second surface 922 is connected to the first housing 1, and the control component 93 and the heat conducting plate 94 are arranged on the first surface 921.
  • the first surface 921 faces the first wall 12, and the second surface 922 faces away from the first wall 12.
  • the heat conducting plate 94 can conduct the heat generated by the circuit board 92 and the heat generated by the control component 93 to dissipate the heat outward, thereby lowering the temperature of the circuit board 92 and the control component 93 and reducing the risk of failure of the circuit board 92 and the control component 93.
  • the heat conducting plate 94 includes a material with good heat conduction, such as a metal material, and the metal material may be copper, aluminum, steel or other materials.
  • the surface of the heat conducting plate 94 may be covered with an insulating material.
  • the heat conductive plate 94 may be an aluminum plate.
  • the control component 93 includes a control chip 933.
  • the control chip 933 can be used to control the working state of the battery module 2.
  • the control chip 933 can be used to control the charging and discharging of the battery module 2.
  • the control chip 933 is located between the battery module 2 and the heat conducting plate 94, which is conducive to improving the heat dissipation of the battery pack.
  • the circuit board 92 is a plate-like structure.
  • the first surface 921 and the second surface 922 are planes.
  • the circuit board 92 includes a printed circuit board (PCB).
  • PCB printed circuit board
  • the heat conducting plate 94 when viewed from the first direction Z, is higher than the control component 93 in the third direction Y.
  • the heat conducting plate 94 is higher than the control component 93 in the third direction Y, which can increase the heat dissipation area of the heat conducting plate 94 and improve the heat dissipation efficiency of the heat conducting plate 94 .
  • the battery pack further includes a heat dissipation component 8 disposed on the first housing 1, and the heat dissipation component 8 is opposite to at least a portion of the heat conducting plate 94 along the first direction Z.
  • the heat dissipation component 8 is disposed on the fifth wall 18, for example, fixed to the fifth wall 18 by a fixing member such as a screw.
  • the projections of the heat dissipation component 8 and the second sub-housing 32 overlap, which is beneficial to improving the heat dissipation of the battery pack.
  • the heat dissipation component 8 can be used to dissipate the heat on the heat conducting plate 94 to the outside of the battery pack. Placing the heat dissipation component 8 opposite to at least a portion of the heat conducting plate 94 can improve the heat dissipation efficiency.
  • control chip 933 can be used to control the start and stop of the heat dissipation component 8.
  • the heat dissipation component 8 may be mounted on the second plate 7 .
  • the heat dissipation component 8 includes but is not limited to a fan or an air conditioner, and the heat dissipation component 8 has a heat dissipation function.
  • the heat dissipation component 8 includes two fans, which are installed on the first housing 1 and are respectively located on both sides of the control assembly 9 along the first direction Z. During the use of the battery pack, one fan draws air into the first housing 1, and the other fan exhausts air out of the first housing 1. The two fans allow the airflow to pass through the heat conducting plate 94 of the control assembly 9 to dissipate the heat on the heat conducting plate 94 to the outside of the first housing 1.
  • the control component 93 includes a capacitor 931, and the heat dissipation component 8 is opposite to at least a portion of the capacitor 931 along the first direction Z.
  • the capacitor 931 can be one or more.
  • the capacitor 931 can store energy and provide output energy.
  • the capacitor 931 can also filter out interference and reduce loop current ripple.
  • the heat dissipation component 8 can be used to dissipate the heat on the capacitor 931 to the outside of the battery pack.
  • the heat dissipation component 8 is opposite to at least part of the capacitor 931 to improve the heat dissipation efficiency.
  • the heat conducting plate 94 includes a first heat conducting plate 94a and a second heat conducting plate 94b spaced apart along the second direction X.
  • the capacitor 931 is located between the first heat conducting plate 94a and the second heat conducting plate 94b in the second direction X.
  • the first heat conducting plate 94a and the second heat conducting plate 94b can block the capacitor 931 from both sides to reduce the diffusion of heat from the capacitor 931 to the surroundings and reduce the thermal impact of the capacitor 931 on other components.
  • the airflow passing through between the first heat conducting plate 94a and the second heat conducting plate 94b can take away the heat generated by the capacitor 931 to reduce the temperature of the capacitor 931 and improve the working performance of the capacitor 931.
  • the first heat conducting plate 94a is connected to the first wall 12 via a heat conducting adhesive 95
  • the second heat conducting plate 94b is connected to the first wall 12 via a heat conducting adhesive 95.
  • the heat on the first heat conducting plate 94a and the heat on the second heat conducting plate 94b can be dissipated outwards through the first wall 12.
  • the second sub-housing 32 is disposed opposite to the heat dissipation component 8 along the first direction Z.
  • the second sub-housing 32 is provided with a plurality of through holes 325 , and at least a portion of the plurality of through holes 325 is disposed opposite to the heat dissipation component 8 along the first direction Z.
  • the heat dissipation component 8 dissipates the heat inside the battery pack to the outside of the battery pack through the multiple through holes 325 to improve the heat dissipation efficiency.
  • control component 93 further includes an inductor 932.
  • the inductor 932 is a power inductor.
  • the heat dissipation component 8 is opposite to at least a portion of the inductor 932 along the first direction Z.
  • the heat conducting plate 94 includes a third heat conducting plate 94c.
  • the third heat conducting plate 94c is connected to the inductor 932.
  • the third heat conducting plate 94c can absorb the heat generated by the inductor 932 and dissipate the heat to the outside, so as to reduce the temperature of the inductor 932 and improve the performance of the inductor 932.
  • the third heat conducting plate 94 c is connected to the first wall 12 via a heat conducting adhesive 95 .
  • the battery module 2 when viewed from the first direction Z, the battery module 2 is higher than the heat conducting plate 94 in the third direction Y.
  • the second heat conducting plate 94 b when viewed from the third direction Y, is located between the control chip 933 and the capacitor 931 in the second direction X.
  • the second heat conducting plate 94 b can separate the control chip 933 and the capacitor 931 , thereby reducing the heat conducted from the capacitor 931 to the control chip 933 , lowering the temperature of the control chip 933 , and improving the performance and life of the control chip 933 .
  • the battery pack further includes a convex wall 91, which is disposed between the battery module 2 and the control assembly 9.
  • the convex wall 91 can isolate the heat generated by the control assembly 9, reduce the thermal impact on the battery module 2, reduce the risk of thermal runaway of the battery module, and improve safety.
  • the protruding wall 91 protrudes from the second wall 15 and is fixed to the second wall 15 .
  • the height of the convex wall 91 is less than or equal to the height of the third wall 16 , and the height of the convex wall 91 is less than or equal to the height of the fourth wall 17 .
  • the convex wall 91 and the second wall 15 are integrally formed, which is beneficial to improving the structural strength of the first housing 1.
  • the convex wall 91 can be fixed to the second wall 15 by fixing members such as screws.
  • a plurality of cables 96 are provided in the battery pack.
  • a wiring channel is reserved between the control assembly 9 and the battery module 2, and at least part of the cables 96 are arranged in the wiring channel.
  • Providing a wiring channel between the control assembly 9 and the battery module 2 can not only facilitate the unified installation and fixation of multiple cables 96, but also increase the thermal insulation gap between the control assembly 9 and the battery module 2.
  • Part of the cables 96 can be located between the control assembly 9 and the battery module 2 in the second direction X.
  • control assembly 9 and the battery module 2 may be electrically connected via at least one cable 96 .
  • the battery pack further includes a first component 6 disposed on the first shell 1 ; the control component 9 is connected to the first component 6 via a cable 96 .
  • the first component 6 is a component of the battery pack used to realize a specific function.
  • the first component 6 includes a display screen.
  • the control component 9 can transmit a signal to the first component 6 via the cable 96 , so that the first component 6 can achieve a predetermined function.
  • the second housing further includes a third sub-housing 33, and the third sub-housing 33 is connected to the first sub-housing 31 and the second sub-housing 32.
  • the third sub-housing 33 covers at least part of the first component 6.
  • the third sub-housing 33 can protect the first component 6 to reduce the risk of damage to the first component 6 when the battery pack is subjected to external impact.
  • the first sub-shell 31 is provided with a first matching portion 31
  • the second sub-shell 32 is provided with a second matching portion 321.
  • the first matching portion 311 is configured to be able to move from a first position of the second matching portion 321 to a second position.
  • the first matching portion 311 is clamped to the second sub-shell 32 at the first position, and the first matching portion 311 is rotatably connected to the second sub-shell 32 at the second position.
  • the first sub-housing 31 When the first sub-housing 31 needs to be opened, the first sub-housing 31 is moved to move the first matching portion 311 of the first sub-housing 31 to the second position, and then the first sub-housing 31 is rotated to open the first sub-housing 31.
  • the first sub-housing 31 When the first sub-housing 31 needs to be closed, the first sub-housing 31 is rotated to a preset angle, and then moved from the second position to the first position, so that the first matching portion 311 is engaged with the second sub-housing 32.
  • the second sub-housing 32 When the second sub-housing 32 needs to be opened, the second sub-housing 32 can be moved and rotated accordingly, so that the first matching portion 311 moves from the first position of the second matching portion 321 to the second position.
  • the first position and the second position are arranged along the second direction X.
  • the first sub-housing 31 includes a first portion 312
  • the second sub-housing 32 includes a second portion 322
  • the first portion 312 and the second portion 322 are arranged along the second direction X
  • the first matching portion 311 and the second matching portion 321 are located between the first portion 312 and the second portion 322 in the second direction X.
  • the second housing 3 further includes a third sub-housing 33 , at least a portion of which is located between the first portion 312 and the second portion 322 and abuts against the first portion 312 and the second portion 322 .
  • the third sub-housing 33 can limit the relative movement of the first portion 312 and the second portion 322 in the second direction X, so that the first matching portion 311 is maintained at the first position of the second matching portion 321 , thereby achieving fixation between the first sub-housing 31 and the second sub-housing 32 .
  • a first recess 312a is provided on a surface of the first portion 312 facing the second portion 322, and a second recess 322a is provided on a surface of the second portion 322 facing the first portion 312.
  • a first buckle 331 and a second buckle 332 are provided at both ends of the third sub-housing 33 along the second direction X, respectively, the first buckle 331 is inserted into the first recess 312a, and the second buckle 332 is inserted into the second recess 322a.
  • the third sub-shell 33 is respectively snapped to the first portion 312 and the second portion 322 through the first snap buckle 331 and the second snap buckle 332 , so as to fix the first sub-shell 31 , the second sub-shell 32 and the third sub-shell 33 .
  • the battery pack further includes a first plate 4, which is located on a side of the first portion 312 facing the first shell 1 and connected to the first shell 1, and covers at least a portion of the first opening 11.
  • the first plate 4 is provided with a second opening 41
  • the first sub-shell 31 includes a third buckle 313, which is provided on an end surface of the first portion 312 facing the first shell 1, and passes through the second opening 41.
  • the third buckle 313 is engaged with the first plate 4 when the first matching portion 311 is in the first position, and the third buckle 313 is released from the engagement with the first plate 4 when the first matching portion 311 is in the second position.
  • the first plate 4 is fixed to the first housing 1.
  • the first plate 4 may be fixed to the first housing 1 by fasteners, such as screws.
  • the first sub-shell 31 is engaged with the first plate 4 by the third buckle 313 and the second opening 41 , so as to reduce the risk of the first sub-shell 31 rotating when the first engaging portion 311 is located at the first position.
  • the first plate 4 is provided with a third opening 42.
  • the battery pack also includes a second component 5, which passes through the third opening 42 and is electrically connected to the battery module 2.
  • a third recess 312b is provided on the side of the first portion 312 facing the first plate 4, and at least part of the second component 5 is accommodated in the third recess 312b.
  • the third recess 312b can provide a holding space for the second component 5 and can provide protection for the second component 5 from the outside.
  • the second component 5 may include a power harness connected to the battery module 2.
  • the first sub-housing 31 can be opened to perform maintenance on the second component 5 .
  • two third openings 42 are provided, and the two third openings 42 are respectively opposite to the two battery modules 2 in the first direction Z.
  • the second component 5 can pass through the two third openings 42 to electrically connect the two battery modules 2 .
  • the first sub-housing 31 includes a third portion 314 connected to the first portion 312 , and the third portion 314 is located between the first portion 312 and the second portion 322 in the second direction X.
  • the first matching portion 311 is disposed on the third portion 314 .
  • the third portion 314 has a first hole 3141 on one side facing the first housing 1, and the first plate 4 has a first protrusion 43 inserted into the first hole 3141.
  • the first protrusion 43 is inserted into the first hole 3141 to limit the movement of the first sub-housing 31 along the second direction X.
  • the first hole 3141 includes a first hole portion 3141a and a second hole portion 3141b that are interconnected, and the aperture of the second hole portion 3141b is larger than the aperture of the first hole portion 3141a.
  • the first protrusion 43 is inserted into the first hole portion 3141a when the first matching portion 311 is in the first position, and the first protrusion 43 is inserted into the second hole portion 3141b when the first matching portion 311 is in the second position.
  • the first protrusion 43 matches with the first hole portion 3141a with a smaller aperture, so that the first protrusion 43 is clamped to the first sub-housing 31.
  • the first protrusion 43 is inserted into the second hole portion 3141b; when the first sub-housing 31 is rotated in the opening direction, the second hole portion 3141b with a larger aperture can provide space for the rotation of the first protrusion 43 and is not easy to interfere with the rotation of the first protrusion 43; when the first sub-housing 31 is rotated in the closing direction, the first protrusion 43 is more easily inserted into the second hole portion 3141b with a larger aperture.
  • the third portion 314 is provided with a second hole 3142.
  • the battery pack further includes a first component 6, the second housing includes a third sub-housing 33, the first component 6 is at least partially accommodated in the second hole 3142, and at least a portion of the third sub-housing 33 is located between the first portion 312 and the second portion 322 and covers at least a portion of the first component 6.
  • the second hole 3142 provides space for the first component 6, which can reduce the risk of interference between the first component 6 and the first sub-housing 31.
  • the third sub-housing 33 covers at least part of the first component 6 to play a protective role and reduce the risk of damage to the first component 6 when the battery pack is subjected to external impact.
  • the first component 6 includes a display screen.
  • the third sub-housing 33 exposes a portion of the display screen so that the staff can observe the working status of the battery pack.
  • the second sub-housing 32 includes a second protrusion 323, the second protrusion 323 protrudes from the surface of the second portion 322 facing the first portion 312 along the second direction X, and the second matching portion 321 is disposed on the second protrusion 323.
  • the first sub-housing 31 also includes a fourth portion 315, the fourth portion 315 is connected to the first portion 312 and is disposed opposite to the second protrusion 323 along a third direction Y, and the third direction Y is perpendicular to the second direction X.
  • the first matching portion 311 protrudes from the surface of the fourth portion 315 facing the second protrusion 323 along the third direction Y and is inserted into the second matching portion 321.
  • the second matching portion 321 may be a hole, a groove, a notch or other structures.
  • the second matching portion 321 includes a third hole 321a.
  • the size of the third hole 321a in the second position along the first direction Z is larger than the size of the third hole 321a in the first position along the first direction Z, and the first direction Z is perpendicular to the second direction X and the third direction Y.
  • the size of the third hole 321a along the first direction Z in the first position is smaller, and the first matching portion 311 can be engaged with the hole wall of the third hole 321a in the first position of the third hole 321a; the size of the third hole 321a along the first direction Z in the second position is larger, and the first matching portion 311 can rotate in the second position of the third hole 321a.
  • the two second protrusions 323 are spaced apart along the third direction Y, and the two fourth portions 315 are located between the two second protrusions 323 .
  • the second protrusion 323 is provided with a third hole 321a, and the two fourth portions 315 are provided with a first matching portion 311.
  • the two first matching portions 311 cooperate with the two third holes 321a to improve the stability of the connection between the first sub-shell 31 and the second sub-shell 32.
  • the second portion 322 covers at least a portion of the first opening 11. In some embodiments, in the first direction Z, the second portion 322 is opposite to at least a portion of the heat dissipation component 8.
  • the battery pack further includes a second plate 7, which is located on a side of the second portion 322 facing the first shell 1 and connected to the first shell 1, and the second plate 7 covers at least a portion of the first opening 11.
  • the second plate 7 and the second portion 322 are arranged along the first direction Z.
  • the second plate 7 is provided with a fourth opening 71
  • the second sub-shell 32 includes a fourth buckle 324, which is provided on the end surface of the second portion 322 facing the first shell 1, and the fourth buckle 324 passes through the fourth opening 71.
  • the fourth buckle 324 is engaged with the second plate 7 when the first matching portion 311 is in the first position, and the fourth buckle 324 is released from the engagement with the second plate 7 when the first matching portion 311 is in the second position.
  • the second plate 7 is fixed to the first housing 1.
  • the second plate 7 may be fixed to the first housing 1 by a fastener.
  • the second sub-shell 32 is engaged with the second plate 7 by the fourth buckle 324 and the fourth opening 71 , so as to reduce the risk of the second sub-shell 32 rotating when the first engaging portion 311 is located at the first position.
  • the heat dissipation component 8 is accommodated in the first housing 1.
  • the second plate 7 is provided with a fifth opening 72, the heat dissipation component 8 is opposite to the fifth opening 72 along the first direction Z, and the second portion 322 covers the fifth opening 72.
  • the gas outside the battery pack can enter the battery pack through the fifth opening 72, or the gas inside the battery pack can be discharged to the outside of the battery pack through the fifth opening 72.
  • the first housing includes a partition 14 , and the partition 14 separates the first opening 11 into a first area 111 and a second area 112 .
  • the partition 14 can support the portion of the first shell 1 surrounding the first opening 11 , reduce deformation of the first opening 11 , and improve the stability and safety of the battery pack.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
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  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

本申请实施例提供一种电池包。电池包包括第一壳体、电池模组和第二壳体。第一壳体具有第一开口。电池模组容纳于第一壳体内。第二壳体连接于第一壳体,第二壳体包括第一子壳体和第二子壳体,第一子壳体连接于第一壳体并覆盖第一开口的至少部分,第二子壳体连接于第一壳体。第一子壳体和/或第二子壳体被配置为可打开的。

Description

电池包 技术领域
本申请涉及电池领域,特别是涉及一种电池包。
背景技术
可再充电电芯,是指在电芯放电后可通过充电的方式使活性物质激活而继续使用的电池。可再充电电芯广泛用于电子设备,例如手机、笔记本电脑等等。
电池模组通常包括多个电芯,以满足电子设备对电压的要求。电池工作的过程中会释放热量,如何提升电池模组的散热、改善电池模组的充放电性能,一直是业内的研究方向。
发明内容
本申请提供了一种电池包,其能提升电池模组的散热效率,改善电池模组的循环性能。
第一方面,本申请实施例提供了一种电池包,其包括第一壳体、电池模组和第二壳体。第一壳体具有第一开口。电池模组容纳于第一壳体内。第二壳体连接于第一壳体,第二壳体包括第一子壳体和第二子壳体,第一子壳体连接于第一壳体并覆盖第一开口的至少部分,第二子壳体连接于第一壳体,第一子壳体和/或第二子壳体被配置为可打开的。
第一子壳体和第二子壳体中的至少一者可以打开,可使第一壳体的内部空间经由第一开口与电池包外部的空间连通,电池模组产生的热量可以经由第一开口散发到电池包的外部,从而提升电池模组的散热效率,改善电池模组的循环性能。在电池包的使用过程中,当电池模组出现故障时,可以打开第一子壳体和第二子壳体中的至少一者,以经由第一开口对电池模组进行维护,可节省维护时间,简化电池包的拆装工艺,提高效率。
在一些实施例中,电池模组与第一子壳体沿第一方向相对设置。当第一子壳体打开时,电池模组产生的热量可以经由第一开口散发到电池包的外部,从而提升电池模组的散热效率,改善电池模组的循环性能。
在一些实施例中,电池包还包括容纳于第一壳体内的控制组件,控制组件与电池模组沿垂直于第一方向的第二方向间隔设置。控制组件与第二子壳体沿第一方向相对设置。
将控制组件与电池模组间隔设置,可减少电池模组和控制组件之间的传热,降低电池模组和控制组件之间的热影响,改善电池模组的循环性能和控制组件的使用性能。
在一些实施例中,第一开口包括第一区域和第二区域,第一子壳体覆盖第一区域的 至少部分,第二子壳体覆盖第二区域的至少部分。
第二子壳体可以打开,控制组件产生的热量可以经由第二区域散发到电池包的外部,从而提升控制组件的散热效率,改善控制组件的使用性能。在电池包的使用过程中,当控制组件出现故障时,可以打开第二子壳体,以经由第二区域对控制组件进行维护,可节省维护时间,简化电池包的拆装工艺,提高效率。
在一些实施例中,第一壳体包括分隔部,分隔部将第一开口分离为第一区域和第二区域。分隔部可以支撑第一壳体的围成第一开口的部分,减小第一开口的变形,提升电池包的稳定性和安全性。
在一些实施例中,控制组件包括电路板、控制部件和导热板,电路板包括沿第三方向相对设置的第一表面和第二表面,第三方向垂直于第一方向和第二方向。第二表面连接于第一壳体,控制部件和导热板设置于第一表面。
在电池包的工作过程中,导热板可以传导电路板产生的热量和控制部件产生的热量,以向外散热,降低电路板和控制部件的温度,降低电路板和控制部件失效的风险。
在一些实施例中,控制部件包括控制芯片。沿第一方向,控制芯片位于电池模组和导热板之间,有利于提升对电池包的散热。
在一些实施例中,从第一方向观察,导热板在第三方向上高于控制部件。导热板在第三方向上高于控制部件,可增大导热板的散热面积,提高导热板的散热效率。
在一些实施例中,电池包还包括设置于第一壳体的散热部件,散热部件与导热板的至少部分沿第一方向相对。散热部件可用于将导热板上的热量,散发到电池包的外部。将散热部件与导热板的至少部分相对,可提高散热效率。
在一些实施例中,控制部件包括电容,散热部件与电容的至少部分沿第一方向相对。散热部件可用于将电容上的热量散发到电池包的外部。将散热部件与电容的至少部分相对,可提高散热效率。
在一些实施例中,导热板包括沿第二方向间隔设置的第一导热板和第二导热板。从第三方向观察,电容在第二方向上位于第一导热板和第二导热板之间。
第一导热板和第二导热板可以从两侧阻挡电容,以减少电容的热量向四周的扩散,降低电容对其它构件的热影响。从第一导热板和第二导热板之间穿过的气流能够带走电容产生的热量,以降低电容的温度,改善电容的工作性能。
在一些实施例中,控制部件包括控制芯片。从第三方向观察,第二导热板在第二方向上位于控制芯片和电容之间。第二导热板可将控制芯片和电容隔开,减少从电容传导至控制芯片的热量,降低控制芯片的温度,改善控制芯片的性能和寿命。
在一些实施例中,第二子壳体与散热部件沿第一方向相对设置。第二子壳体设有多个通孔,多个通孔的至少部分与散热部件沿第一方向相对。散热部件通过多个通孔将电池包内部的热量散发到电池包的外部,以提高散热效率。
在一些实施例中,从第一方向观察,电池模组在第三方向上高于导热板。
在一些实施例中,电池包还包括凸壁,凸壁设置于电池模组和控制组件之间。凸壁可以隔开控制组件产生的热量,减少电池模组受到的热影响,降低电池模组热失控的风险,提高安全性。
在一些实施例中,电池包还包括设置于第一壳体的第一部件;控制组件通过线缆连接于第一部件。控制组件可通过线缆将信号传递至第一部件,以使第一部件实现预定的功能。
在一些实施例中,第二壳体还包括第三子壳体,第三子壳体连接于第一子壳体和第二子壳体。在第一方向上,第三子壳体覆盖第一部件的至少部分。第三子壳体可以起到防护第一部件的作用,以降低第一部件在电池包受到外部冲击时破损的风险。
在一些实施例中,第一子壳体设有第一配合部,第二子壳体设有第二配合部,第一配合部被配置为能够从第二配合部的第一位置移动到第二位置,第一配合部在第一位置卡接于第二子壳体,第一配合部在第二位置可转动地连接于第二子壳体。
在一些实施例中,第一位置和第二位置沿第二方向设置。第一子壳体包括第一部分,第二子壳体包括第二部分,第一部分和第二部分沿第二方向布置,第一配合部和第二配合部在第二方向上位于第一部分和第二部分之间。
在一些实施例中,第二壳体还包括第三子壳体,第三子壳体的至少部分位于第一部分和第二部分之间并与第一部分和第二部分相抵。
在一些实施例中,在第二方向上,第一部分面向第二部分的表面设有第一凹部,第二部分面向第一部分的表面设有第二凹部。第三子壳体沿第二方向的两端分别设有第一卡扣和第二卡扣,第一卡扣插入第一凹部,第二卡扣插入第二凹部。
在一些实施例中,电池包还包括第一板,第一板位于第一部分的面向第一壳体的一侧并连接于第一壳体,第一板覆盖第一开口的至少部分。第一板设有第二开口,第一子壳体包括第三卡扣,第三卡扣设于第一部分的面向第一壳体的端面,第三卡扣穿过第二开口。第三卡扣在第一配合部位于第一位置时卡接于第一板,第三卡扣在第一配合部位于第二位置时解除与第一板的卡接。
在一些实施例中,第一板设有第三开口;电池包还包括第二部件,第二部件穿过第三开口并电连接于电池模组。第一部分的面向第一板的一侧设有第三凹部,第二部件的至少部分容纳于第三凹部。
在一些实施例中,第一子壳体包括连接于第一部分的第三部分,第三部分在第二方向上位于第一部分和第二部分之间。第一配合部设于第三部分。
在一些实施例中,第三部分面向第一壳体的一侧设有第一孔,第一板设有插入第一孔的第一凸部。第一孔包括相互连通的第一孔部和第二孔部,第二孔部的孔径大于第一孔部的孔径。第一凸部在第一配合部位于第一位置时插入第一孔部,第一凸部在第一配合部位于第二位置时插入第二孔部。
在一些实施例中,第三部分设有第二孔。电池包还包括第一部件,第二壳体包括第三子壳体,第一部件至少部分容纳于第二孔,第三子壳体的至少部分位于第一部分和第二部分之间并覆盖第一部件的至少部分。
在一些实施例中,第一部件包括显示屏。
在一些实施例中,第二子壳体包括第二凸部,第二凸部凸出于第二部分沿第二方向面向第一部分的表面,第二配合部设于第二凸部。第一子壳体还包括第四部分,第四部分连接于第一部分并与第二凸部沿第三方向相对设置,第三方向垂直于第二方向。第一 配合部凸出于第四部分沿第三方向面向第二凸部的表面并插入第二配合部。
在一些实施例中,第二配合部包括第三孔;第三孔在第二位置沿第三方向的尺寸大于第三孔在第一位置沿第三方向的尺寸,第三方向垂直于第二方向和第三方向。
在一些实施例中,第二凸部和第四部分均为两个,两个第二凸部沿第三方向间隔设置,两个第四部分位于两个第二凸部之间。
在一些实施例中,第二部分覆盖第一开口的至少部分。
在一些实施例中,电池包还包括第二板,第二板位于第二部分面向第一壳体的一侧并连接于第一壳体,第二板覆盖第一开口的至少部分。第二板和第二部分沿第三方向布置。第二板设有第四开口,第二子壳体包括第四卡扣,第四卡扣设于第二部分面向第一壳体的端面,第四卡扣穿过第四开口。第四卡扣在第一配合部位于第一位置时卡接于第二板,第四卡扣在第一配合部位于第二位置时解除与第二板的卡接。
在一些实施例中,电池包还包括散热部件,散热部件的至少部分容纳于第一壳体内。第二板设有第五开口,散热部件与第五开口沿第三方向相对,第二部分覆盖第五开口。
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为本申请一实施例提供的电池包的结构示意图;
图2为图1所示的电池包的另一结构示意图,其中盖板省略;
图3为图2所示的电池包的俯视示意图;
图4为图2所示的电池包的爆炸示意图;
图5为图2在方框A处的放大示意图;
图6为本申请一实施例提供的电池包的剖视示意图;
图7为图2所示的电池包在第一子壳体打开时的结构示意图;
图8为图2所示的电池包在第二子壳体打开时的结构示意图;
图9为图2所示的第二壳体的结构示意图;
图10为图9所示的第二壳体的一爆炸示意图;
图11为图10所示的第一子壳体和第二子壳体在另一角度下的示意图;
图12为图11在圆框B处的放大示意图;
图13为本申请一实施例提供的电池包的第一板的结构示意图;
图14为图11在圆框C处的放大示意图;
图15为图11所示的第一子壳体的结构示意图;
图16为图11所示的第二子壳体的结构示意图;
图17为本申请一实施例提供的电池包的第二板的结构示意图;
图18为图11所示的第一子壳体和第二子壳体的另一示意图;
图19为本申请另一实施例提供的电池包的爆炸示意图。
在附图中,附图并未按照实际的比例绘制。
1、第一壳体;11、第一开口;111、第一区域;112、第二区域;12、第一壁;13、 壳体开口;14、分隔部;15、第二壁;16、第三壁;17、第四壁;18、第五壁;2、电池模组;3、第二壳体;
31、第一子壳体;311、第一配合部;312、第一部分;312a、第一凹部;312b、第三凹部;313、第三卡扣;314、第三部分;3141、第一孔;3141a、第一孔部;3141b、第二孔部;3142、第二孔;315、第四部分;32、第二子壳体;321、第二配合部;321a、第三孔;322、第二部分;322a、第二凹部;323、第二凸部;324、第四卡扣;325、通孔;
33、第三子壳体;331、第一卡扣;332、第二卡扣;
4、第一板;41、第二开口;42、第三开口;43、第一凸部;
5、第二部件;6、第一部件;7、第二板;71、第四开口;72、第五开口;8、散热部件;9、控制组件;91、凸壁;92、电路板;921、第一表面;922、第二表面;93、控制部件;931、电容;932、电感;933、控制芯片;94、导热板;94a、第一导热板;94b、第二导热板;94c、第三导热板;95、导热胶;
Z、第一方向;X、第二方向;Y、第三方向。
具体实施方式
为使本申请实施例的目的、技术方案和优点更加清楚,下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行清楚地描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。
本申请的说明书和权利要求书或上述附图中的术语“第一”、“第二”等是用于区别不同对象,而不是用于描述特定顺序或主次关系。在本申请的实施例中,相同的附图标记表示相同的部件,并且为了简洁,在不同实施例中,省略对相同部件的详细说明。
在本申请中提及“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。
在本申请的描述中,需要说明的是,除非另有明确的规定和限定,术语“安装”、“连接”等应做广义理解,例如,可以是固定连接,也可以是可拆卸连接,或一体地连接;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。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中的具体含义。
在本申请的实施例中,“平行”不仅包括绝对平行的情况,也包括了工程上常规认知的大致平行的情况;同时,“垂直”也不仅包括绝对垂直的情况,还包括工程上常规认知的大致垂直的情况。示例性地,两个方向的夹角为80°-90°,可认为两个方向垂直;两个方向的夹角为0°-10°,可认为两个方向平行。
下面结合附图描述本申请的电池模组。
如图1至图8所示,本申请实施例的电池包包括第一壳体1、电池模组2和第二壳体3。第一壳体1具有第一开口11。电池模组2容纳于第一壳体1内。第二壳体3连接于第一壳体1,第二壳体3包括第一子壳体31和第二子壳体32,第一子壳体31连接于 第一壳体1并覆盖第一开口11的至少部分,第二子壳体32连接于第一壳体1,第一子壳体31和/或第二子壳体32被配置为可打开的。
在一些实施例中,第一子壳体31和第二子壳体32中的至少一者可以打开,可使第一壳体1的内部空间经由第一开口11与电池包外部的空间连通,电池模组2产生的热量可以经由第一开口11散发到电池包的外部,从而提升电池模组2的散热效率,改善电池模组2的循环性能。在电池包的使用过程中,当电池模组2出现故障时,可以打开第一子壳体31和第二子壳体32中的至少一者,以经由第一开口11对电池模组2进行维护,可节省维护时间,简化电池包的拆装工艺,提高效率。
在一些实施例中,第一子壳体31被配置为可打开的。
在一些实施例中,第二子壳体32覆盖第一开口11的至少部分,第二子壳体32被配置为可打开的。
在一些实施例中,电池模组2可为一个或多个。可选地,电池模组2为多个。
电池模组2包括多个电芯,多个电芯之间可串联、并联或混联,混联是指多个电芯中既有串联又有并联。
电芯可以是锂离子电芯、钠锂离子电芯、钠离子电芯、镁离子电芯或其它类型的电芯,本申请实施例对此并不限定。可选的,电芯为软包电芯。
在一些实施例中,第一壳体1包括第一壁12、第二壁15、第三壁16、第四壁17和第五壁18。第一壁12、第二壁15、第三壁16、第四壁17围合形成第一开口11。第五壁18在第一方向Z上与第一开口11相对。第三壁16和第四壁17沿第二方向X相对设置,第一壁12和第二壁15沿第三方向Y相对设置。示例性地,第一方向Z、第二方向X、第三方向Y相互垂直。
在一些实施例中,第二壁15、第三壁16和第四壁17连接并形成U形的框架结构。框架结构形成在第三方向Y上与第二壁15相对的壳体开口13。第一壁12盖合于壳体开口13。
在一些实施例中,电池包还包括第一板4和第二板7,第一板4连接于第一壁12、第二壁15和第三壁16,第一板4覆盖第一开口11的一部分。第二板7连接于第一壁12、第二壁15和第四壁17,第二板7与第一板4间隔设置并覆盖第一开口11的一部分。
在一些实施例中,第一壁12可通过粘接、卡接、焊接或其它方式连接于框架结构,以覆盖壳体开口13。
在一些实施例中,电池模组2设置于第二壁15。示例性地,电池模组2通过胶粘接于第二壁15的与壳体开口13相对的表面。
在一些实施例中,第一子壳体31连接于第一板4。
在一些实施例中,第一子壳体31覆盖第一开口11的一部分。
在一些实施例中,电池模组2与第一子壳体31沿第一方向Z相对设置。当第一子壳体31打开时,电池模组2产生的热量可以经由第一开口11散发到电池包的外部,从而提升电池模组2的散热效率,改善电池模组2的循环性能。
在一些实施例中,电池包还包括容纳于第一壳体1内的控制组件9,控制组件9与 电池模组2沿垂直于第一方向Z的第二方向X间隔设置。控制组件9与第二子壳体32沿第一方向Z相对设置。
在一些实施例中,控制组件9设于第二壁15,比如通过螺丝等固定件固定于第二壁15。
沿第一方向Z上观察,电池模组2与第一子壳体31有重叠,控制组件9与第二子壳体32有重叠。
将控制组件9与电池模组2间隔设置,可减少电池模组2和控制组件9之间的传热,降低电池模组2和控制组件9之间的热影响,改善电池模组2的循环性能和控制组件9的使用性能。
在一些实施例中,第一开口11包括第一区域111和第二区域112,第一子壳体31覆盖第一区域111的至少部分,第二子壳体32覆盖第二区域112的至少部分。示例性地,第二子壳体32被配置为可打开的。
第一区域111和第二区域112可以连通,也可以被分隔开。
第二子壳体32可以打开,控制组件9产生的热量可以经由第二区域112散发到电池包的外部,从而提升控制组件9的散热效率,改善控制组件9的使用性能。在电池包的使用过程中,当控制组件9出现故障时,可以打开第二子壳体32,以经由第二区域112对控制组件9进行维护,可节省维护时间,简化电池包的拆装工艺,提高效率。
在一些实施例中,从第二方向X上观察,电池模组2和控制组件9有重叠。本实施例可利用空间,减小电池模组2和控制组件9之间的距离,便于线束连接。
在一些实施例中,在第一方向Z上,电池模组2比控制组件9更靠近第五壁18。第五壁18和控制组件9之间的空间有助于提升散热,有利于布置线束,减少线束之间的干涉,降低线束的故障概率。
在一些实施例中,控制组件9与电池模组2电连接,可实现电池模组2的充电和放电控制。控制组件固定于第一壳体1。示例性的,控制组件9粘接于第一壳体1的第二壁15。
在一些实施例中,控制组件9包括电路板92、控制部件93和导热板94,电路板92包括沿第三方向Y相对设置的第一表面921和第二表面922,第三方向Y垂直于第一方向Z和第二方向X。第二表面922连接于第一壳体1,控制部件93和导热板94设置于第一表面921。第一表面921朝向第一壁12,第二表面922背向第一壁12。
在电池包的工作过程中,导热板94可以传导电路板92产生的热量和控制部件93产生的热量,以向外散热,降低电路板92和控制部件93的温度,降低电路板92和控制部件93失效的风险。
在一些实施例中,导热板94包括导热良好的材料,比如金属材料,,金属材料可为铜、铝、钢或其它材料。可选地,导热板94的表面可覆有绝缘材料。
在一些实施例中,导热板94可为铝板。
在一些实施例中,控制部件93包括控制芯片933。控制芯片933可用于控制电池模组2的工作状态。例如,控制芯片933可用于控制电池模组2的充放电。在一些实施例中,沿第一方向Z,控制芯片933位于电池模组2和导热板94之间,有利于提升对电池 包的散热。
示例性地,电路板92为板状结构。第一表面921和第二表面922为平面。
在一些实施例张,电路板92包括印刷线路板(PCB,Pr inted Ci rcu it Board)。
在一些实施例中,从第一方向Z观察,导热板94在第三方向Y上高于控制部件93。导热板94在第三方向Y上高于控制部件93,可增大导热板94的散热面积,提高导热板94的散热效率。
在一些实施例中,电池包还包括设置于第一壳体1的散热部件8,散热部件8与导热板94的至少部分沿第一方向Z相对。散热部件8设于第五壁18,比如通过螺丝等固定件固定于第五壁18。沿第一方向Z,散热部件8和第二子壳体32的投影有重叠,有利于提升电池包的散热。散热部件8可用于将导热板94上的热量,散发到电池包的外部。将散热部件8与导热板94的至少部分相对,可提高散热效率。
在一些实施例中,控制芯片933可用于控制散热部件8的启停。
在一些实施例中,散热部件8可安装于第二板7。
在一些实施例中,散热部件8包括但不限制于风扇或空调,散热部件8具有散热功能。
在一些实施例中,散热部件8包括两个风扇,两个风扇安装于第一壳体1且分别位于控制组件9沿第一方向Z的两侧。在电池包的使用过程中,一个风扇向第一壳体1内吸气,另一个风扇向第一壳体1外排气,两个风扇使气流穿过控制组件9的导热板94,以将导热板94上的热量散发到第一壳体1外部。
在一些实施例中,控制部件93包括电容931,散热部件8与电容931的至少部分沿第一方向Z相对。电容931可以是一个,也可以是多个。示例性地,电容931可储能并提供输出能量。可选地,电容931还可滤除干扰和降低回路电流纹波。
散热部件8可用于将电容931上的热量散发到电池包的外部。将散热部件8与电容931的至少部分相对,可提高散热效率。
在一些实施例中,导热板94包括沿第二方向X间隔设置的第一导热板94a和第二导热板94b。从第三方向Y观察,电容931在第二方向X上位于第一导热板94a和第二导热板94b之间。
第一导热板94a和第二导热板94b可以从两侧阻挡电容931,以减少电容931的热量向四周的扩散,降低电容931对其它构件的热影响。从第一导热板94a和第二导热板94b之间穿过的气流能够带走电容931产生的热量,以降低电容931的温度,改善电容931的工作性能。
在一些实施例中,第一导热板94a通过导热胶95连接于第一壁12,第二导热板94b通过导热胶95连接于第一壁12。第一导热板94a上的热量和第二导热板94b上的热量可经由第一壁12向外散发。
在一些实施例中,第二子壳体32与散热部件8沿第一方向Z相对设置。第二子壳体32设有多个通孔325,多个通孔325的至少部分与散热部件8沿第一方向Z相对。
散热部件8通过多个通孔325将电池包内部的热量散发到电池包的外部,以提高散热效率。
在一些实施例中,控制部件93还包括电感932。可选地,电感932为功率电感。
在一些实施例中,散热部件8与电感932的至少部分沿第一方向Z相对。
在一些实施例中,导热板94包括第三导热板94c。第三导热板94c连接于电感932。第三导热板94c可以吸收电感932产生的热量并向外散热,以降低电感932的温度,改善电感932的使用性能。
在一些实施例中,第三导热板94c通过导热胶95连接于第一壁12。
在一些实施例中,从第一方向Z观察,电池模组2在第三方向Y上高于导热板94。
在一些实施例中,从第三方向Y观察,第二导热板94b在第二方向X上位于控制芯片933和电容931之间。
第二导热板94b可将控制芯片933和电容931隔开,减少从电容931传导至控制芯片933的热量,降低控制芯片933的温度,改善控制芯片933的性能和寿命。
在一些实施例中,电池包还包括凸壁91,凸壁91设置于电池模组2和控制组件9之间。凸壁91可以隔开控制组件9产生的热量,减少电池模组2受到的热影响,降低电池模组热失控的风险,提高安全性。
在一些实施例中,凸壁91凸出于第二壁15并与第二壁15固定。
在一些实施例中,在第三方向Y上,凸壁91的高度小于或等于第三壁16的高度,凸壁91的高度小于或等于第四壁17的高度。
在一些实施例中,凸壁91和第二壁15为一体成型结构,有利于提升第一壳体1的结构强度。在一些实施例中,凸壁91可通过螺丝等固定件固定于第二壁15。
在一些实施例中,电池包内设有多条线缆96。在第二方向X上,控制组件9和电池模组2之间预留有走线通道,至少部分地线缆96设置于走线通道。在控制组件9和电池模组2之间设置走向通道,既可便于多个线缆96的统一安装固定,还能增大控制组件9和电池模组2之间的隔热间隙。部分地线缆96可在第二方向X上位于控制组件9和电池模组2之间。
在一些实施例中,控制组件9和电池模组2可通过至少一条线缆96电连接。
在一些实施例中,电池包还包括设置于第一壳体1的第一部件6;控制组件9通过线缆96连接于第一部件6。
第一部件6为电池包的用于实现特定功能的部件。示例性地,第一部件6包括显示屏。
控制组件9可通过线缆96将信号传递至第一部件6,以使第一部件6实现预定的功能。
在一些实施例中,第二壳体还包括第三子壳体33,第三子壳体33连接于第一子壳体31和第二子壳体32。在第一方向Z上,第三子壳体33覆盖第一部件6的至少部分。第三子壳体33可以起到防护第一部件6的作用,以降低第一部件6在电池包受到外部冲击时破损的风险。
如图3、图4以及图9-18所示,第一子壳体31设有第一配合部311,第二子壳体32设有第二配合部321,第一配合部311被配置为能够从第二配合部321的第一位置移动到第二位置,第一配合部311在第一位置卡接于第二子壳体32,第一配合部311在第 二位置可转动地连接于第二子壳体32。
当需要打开第一子壳体31时,移动第一子壳体31,使第一子壳体31的第一配合部311移动到第二位置,然后转动第一子壳体31,从而打开第一子壳体31。当需要闭合第一子壳体31时,将第一子壳体31转动至预设角度,然后从第二位置移动到第一位置,以使第一配合部311卡接于第二子壳体32。
当需要打开第二子壳体32时,可以对应地移动和转动第二子壳体32,以使第一配合部311从第二配合部321的第一位置移动到第二位置。
在一些实施例中,第一位置和第二位置沿第二方向X设置。第一子壳体31包括第一部分312,第二子壳体32包括第二部分322,第一部分312和第二部分322沿第二方向X布置,第一配合部311和第二配合部321在第二方向X上位于第一部分312和第二部分322之间。
在一些实施例中,第二壳体3还包括第三子壳体33,第三子壳体33的至少部分位于第一部分312和第二部分322之间并与第一部分312和第二部分322相抵。
第三子壳体33能够在第二方向X上限制第一部分312和第二部分322的相对移动,以使第一配合部311保持在第二配合部321的第一位置,实现第一子壳体31和第二子壳体32之间的固定。
在一些实施例中,在第二方向X上,第一部分312面向第二部分322的表面设有第一凹部312a,第二部分322面向第一部分312的表面设有第二凹部322a。第三子壳体33沿第二方向X的两端分别设有第一卡扣331和第二卡扣332,第一卡扣331插入第一凹部312a,第二卡扣332插入第二凹部322a。
第三子壳体33通过第一卡扣331和第二卡扣332分别卡接于第一部分312和第二部分322,以实现第一子壳体31、第二子壳体32以及第三子壳体33的固定。
在一些实施例中,电池包还包括第一板4,第一板4位于第一部分312的面向第一壳体1的一侧并连接于第一壳体1,第一板4覆盖第一开口11的至少部分。第一板4设有第二开口41,第一子壳体31包括第三卡扣313,第三卡扣313设于第一部分312的面向第一壳体1的端面,第三卡扣313穿过第二开口41。第三卡扣313在第一配合部311位于第一位置时卡接于第一板4,第三卡扣313在第一配合部311位于第二位置时解除与第一板4的卡接。
第一板4固定于第一壳体1。示例性地,第一板4可通过紧固件固定于第一壳体1,比如螺丝。
第一子壳体31通过第三卡扣313和第二开口41的配合卡接于第一板4,以降低第一子壳体31在第一配合部311位于第一位置时转动的风险。
在一些实施例中,第一板4设有第三开口42。电池包还包括第二部件5,第二部件5穿过第三开口42并电连接于电池模组2。第一部分312的面向第一板4的一侧设有第三凹部312b,第二部件5的至少部分容纳于第三凹部312b。通过设置第三开口42,可以降低第一板4干涉第二部件5的风险。第三凹部312b可以为第二部件5提供容纳空间,并能够从外侧为第二部件5提供防护。示例性地,第二部件5可包括连接电池模组2的动力线束。
当第二部件5出现故障时,打开第一子壳体31,即可对第二部件5进行维护。
在一些实施例中,第三开口42设置为两个,两个第三开口42分别与两个电池模组2在第一方向Z上相对。第二部件5可以穿过两个第三开口42,以将两个电池模组2电连接。
在一些实施例中,第一子壳体31包括连接于第一部分312的第三部分314,第三部分314在第二方向X上位于第一部分312和第二部分322之间。第一配合部311设于第三部分314。
在一些实施例中,第三部分314面向第一壳体1的一侧设有第一孔3141,第一板4设有插入第一孔3141的第一凸部43。第一凸部43插入第一孔3141,以限制第一子壳体31沿第二方向X的移动。
在一些实施例中,第一孔3141包括相互连通的第一孔部3141a和第二孔部3141b,第二孔部3141b的孔径大于第一孔部3141a的孔径。第一凸部43在第一配合部311位于第一位置时插入第一孔部3141a,第一凸部43在第一配合部311位于第二位置时插入第二孔部3141b。
在第一配合部311位于第一位置时,第一凸部43与孔径较小的第一孔部3141a配合,以使第一凸部43卡接于第一子壳体31。在第一配合部311位于第二位置时,第一凸部43插入第二孔部3141b;当第一子壳体31朝打开的方向转动时,孔径较大的第二孔部3141b可以为第一凸部43的转动提供空间,不易干涉第一凸部43的转动;当第一子壳体31朝闭合的方向转动时,第一凸部43更易插入孔径较大的第二孔部3141b。
在一些实施例中,第三部分314设有第二孔3142。电池包还包括第一部件6,第二壳体包括第三子壳体33,第一部件6至少部分容纳于第二孔3142,第三子壳体33的至少部分位于第一部分312和第二部分322之间并覆盖第一部件6的至少部分。
第二孔3142为第一部件6提供空间,可降低第一部件6与第一子壳体31干涉的风险。第三子壳体33覆盖第一部件6的至少部分,以起到防护作用,在电池包受到外部冲击时降低第一部件6损伤的风险。
在一些实施例中,第一部件6包括显示屏。第三子壳体33将显示屏的一部分露出,以便于工作人员观察电池包的工作状态。
在一些实施例中,第二子壳体32包括第二凸部323,第二凸部323凸出于第二部分322沿第二方向X面向第一部分312的表面,第二配合部321设于第二凸部323。第一子壳体31还包括第四部分315,第四部分315连接于第一部分312并与第二凸部323沿第三方向Y相对设置,第三方向Y垂直于第二方向X。第一配合部311凸出于第四部分315沿第三方向Y面向第二凸部323的表面并插入第二配合部321。
第二配合部321可为孔、槽、缺口或其它结构。
在一些实施例中,第二配合部321包括第三孔321a。第三孔321a在第二位置沿第一方向Z的尺寸大于第三孔321a在第一位置沿第一方向Z的尺寸,第一方向Z垂直于第二方向X和第三方向Y。
第三孔321a在第一位置沿第一方向Z的尺寸较小,第一配合部311在第三孔321a的第一位置可以与第三孔321a的孔壁卡接;第三孔321a在第二位置沿第一方向Z的尺 寸较大,第一配合部311在第三孔321a的第二位置可以转动。
在一些实施例中,第二凸部323和第四部分315均为两个,两个第二凸部323沿第三方向Y间隔设置,两个第四部分315位于两个第二凸部323之间。
第二凸部323上均设有第三孔321a,两个第四部分315上均设有第一配合部311。两个第一配合部311与两个第三孔321a配合,可提高第一子壳体31和第二子壳体32连接的稳定性。
在一些实施例中,第二部分322覆盖第一开口11的至少部分。在一些实施例中,在第一方向Z上,第二部分322与散热部件8的至少部分相对。
在一些实施例中,电池包还包括第二板7,第二板7位于第二部分322面向第一壳体1的一侧并连接于第一壳体1,第二板7覆盖第一开口11的至少部分。第二板7和第二部分322沿第一方向Z布置。第二板7设有第四开口71,第二子壳体32包括第四卡扣324,第四卡扣324设于第二部分322面向第一壳体1的端面,第四卡扣324穿过第四开口71。第四卡扣324在第一配合部311位于第一位置时卡接于第二板7,第四卡扣324在第一配合部311位于第二位置时解除与第二板7的卡接。
第二板7固定于第一壳体1。示例性地,第二板7可通过紧固件固定于第一壳体1。
第二子壳体32通过第四卡扣324和第四开口71的配合卡接于第二板7,以降低第二子壳体32在第一配合部311位于第一位置时转动的风险。
在一些实施例中,散热部件8的至少部分容纳于第一壳体1内。第二板7设有第五开口72,散热部件8与第五开口72沿第一方向Z相对,第二部分322覆盖第五开口72。在散热部件8的带动下,电池包外部的气体可经由第五开口72进入电池包内部,或者,电池包内部的气体可经由第五开口72排出到电池包外部。
如图19所示,在一些实施例中,在一些实施例中,第一壳体包括分隔部14,分隔部14将第一开口11分离为第一区域111和第二区域112。
分隔部14可以支撑第一壳体1的围成第一开口11的部分,减小第一开口11的变形,提升电池包的稳定性和安全性。

Claims (32)

  1. 一种电池包,包括:
    第一壳体,具有第一开口;
    电池模组,容纳于所述第一壳体内;
    第二壳体,连接于所述第一壳体,第二壳体包括第一子壳体和第二子壳体,所述第一子壳体连接于所述第一壳体并覆盖所述第一开口的至少部分,所述第二子壳体连接于所述第一壳体,所述第一子壳体和/或所述第二子壳体被配置为可打开的。
  2. 根据权利要求1所述的电池包,其中,所述电池模组与所述第一子壳体沿第一方向相对设置;
    所述电池包还包括容纳于所述第一壳体内的控制组件,所述控制组件与所述电池模组沿垂直于所述第一方向的第二方向间隔设置;
    所述控制组件与所述第二子壳体沿所述第一方向相对设置。
  3. 根据权利要求1或2所述的电池包,其中,所述第一开口包括第一区域和第二区域,所述第一子壳体覆盖所述第一区域的至少部分,所述第二子壳体覆盖所述第二区域的至少部分。
  4. 根据权利要求3所述的电池包,其中,所述第一壳体包括分隔部,所述分隔部将所述第一开口分离为所述第一区域和所述第二区域。
  5. 根据权利要求2所述的电池包,其中,所述控制组件包括电路板、控制部件和导热板,所述电路板包括沿第三方向相对设置的第一表面和第二表面,所述第三方向垂直于所述第一方向和所述第二方向;
    所述第二表面连接于所述第一壳体,所述控制部件和所述导热板设置于所述第一表面。
  6. 根据权利要求5所述的电池包,其中,所述控制部件包括控制芯片,沿所述第一方向,所述控制芯片位于所述电池模组和所述导热板之间。
  7. 根据权利要求5所述的电池包,其中,从所述第一方向观察,所述导热板在所述第三方向上高于所述控制部件。
  8. 根据权利要求5所述的电池包,还包括设置于所述第一壳体的散热部件,所述散热部件与所述导热板的至少部分沿所述第一方向相对。
  9. 根据权利要求8所述的电池包,所述控制部件包括电容,散热部件与所述电容的至少部分沿所述第一方向相对。
  10. 根据权利要求9所述的电池包,其中,所述导热板包括沿第二方向间隔设置的第一导热板和第二导热板;
    从所述第三方向观察,所述电容在所述第二方向上位于所述第一导热板和所述第二导热板之间。
  11. 根据权利要求10所述的电池包,其中,所述控制部件包括控制芯片;从所述第 三方向观察,所述第二导热板在所述第二方向上位于所述控制芯片和所述电容之间。
  12. 根据权利要求8所述的电池包,其中,所述第二子壳体与所述散热部件沿所述第一方向相对设置;
    所述第二子壳体设有多个通孔,所述多个通孔的至少部分与所述散热部件沿所述第一方向相对。
  13. 根据权利要求5所述的电池包,其中,从所述第一方向观察,所述电池模组在所述第三方向上高于所述导热板。
  14. 根据权利要求2所述的电池包,还包括凸壁,所述凸壁设置于所述电池模组和所述控制组件之间。
  15. 根据权利要求2所述的电池包,其中,所述电池包还包括设置于所述第一壳体的第一部件;所述控制组件通过线缆连接于所述第一部件。
  16. 根据权利要求15所述的电池包,其中,所述第二壳体还包括第三子壳体,所述第三子壳体连接于所述第一子壳体和所述第二子壳体;
    在所述第一方向上,所述第三子壳体覆盖所述第一部件的至少部分。
  17. 根据权利要求1所述的电池包,其中,
    所述第一子壳体设有第一配合部,所述第二子壳体设有第二配合部,所述第一配合部被配置为能够从所述第二配合部的第一位置移动到第二位置,所述第一配合部在所述第一位置卡接于所述第二子壳体,所述第一配合部在所述第二位置可转动地连接于所述第二子壳体。
  18. 根据权利要求17所述的电池包,其中,所述第一位置和所述第二位置沿第二方向设置;
    所述第一子壳体包括第一部分,所述第二子壳体包括第二部分,所述第一部分和所述第二部分沿所述第二方向布置,所述第一配合部和所述第二配合部在所述第二方向上位于所述第一部分和所述第二部分之间。
  19. 根据权利要求18所述的电池包,其中,所述第二壳体还包括第三子壳体,所述第三子壳体的至少部分位于第一部分和所述第二部分之间并与所述第一部分和所述第二部分相抵。
  20. 根据权利要求19所述的电池包,其中,在所述第二方向上,所述第一部分面向所述第二部分的表面设有第一凹部,所述第二部分面向所述第一部分的表面设有第二凹部;
    所述第三子壳体沿所述第二方向的两端分别设有第一卡扣和第二卡扣,所述第一卡扣插入所述第一凹部,所述第二卡扣插入所述第二凹部。
  21. 根据权利要求18所述的电池包,还包括第一板,所述第一板位于所述第一部分的面向所述第一壳体的一侧并连接于所述第一壳体,所述第一板覆盖所述第一开口的至少部分;
    所述第一板设有第二开口,所述第一子壳体包括第三卡扣,所述第三卡扣设于所述第一部分的面向所述第一壳体的端面,所述第三卡扣穿过所述第二开口;
    所述第三卡扣在所述第一配合部位于所述第一位置时卡接于所述第一板,所述第三 卡扣在所述第一配合部位于所述第二位置时解除与所述第一板的卡接。
  22. 根据权利要求21所述的电池包,其中,所述第一板设有第三开口;所述电池包还包括第二部件,所述第二部件穿过所述第三开口并电连接于所述电池模组;
    所述第一部分的面向所述第一板的一侧设有第三凹部,所述第二部件的至少部分容纳于所述第三凹部。
  23. 根据权利要求21所述的电池包,其中,所述第一子壳体包括连接于所述第一部分的第三部分,所述第三部分在所述第二方向上位于所述第一部分和所述第二部分之间;
    所述第一配合部设于所述第三部分。
  24. 根据权利要求23所述的电池包,其中,所述第三部分面向所述第一壳体的一侧设有第一孔,所述第一板设有插入所述第一孔的第一凸部;
    所述第一孔包括相互连通的第一孔部和第二孔部,所述第二孔部的孔径大于所述第一孔部的孔径;
    所述第一凸部在所述第一配合部位于所述第一位置时插入所述第一孔部,所述第一凸部在所述第一配合部位于所述第二位置时插入所述第二孔部。
  25. 根据权利要求23所述的电池包,其中,所述第三部分设有第二孔;
    所述电池包还包括第一部件,所述第二壳体包括第三子壳体,所述第一部件至少部分容纳于所述第二孔,所述第三子壳体的至少部分位于第一部分和所述第二部分之间并覆盖所述第一部件的至少部分。
  26. 根据权利要求25所述的电池包,其中,所述第一部件包括显示屏。
  27. 根据权利要求18所述的电池包,其中,所述第二子壳体包括第二凸部,所述第二凸部凸出于所述第二部分沿所述第二方向面向所述第一部分的表面,所述第二配合部设于所述第二凸部;
    所述第一子壳体还包括第四部分,所述第四部分连接于所述第一部分并与所述第二凸部沿第三方向相对设置,所述第三方向垂直于所述第二方向;
    所述第一配合部凸出于所述第四部分沿所述第三方向面向所述第二凸部的表面并插入所述第二配合部。
  28. 根据权利要求27所述的电池包,其中,所述第二配合部包括第三孔;所述第三孔在所述第二位置沿第三方向的尺寸大于所述第三孔在所述第一位置沿所述第三方向的尺寸,所述第三方向垂直于所述第二方向和所述第三方向。
  29. 根据权利要求27所述的电池包,其中,所述第二凸部和所述第四部分均为两个,两个所述第二凸部沿所述第三方向间隔设置,两个所述第四部分位于两个所述第二凸部之间。
  30. 根据权利要求18所述的电池包,其中,所述第二部分覆盖所述第一开口的至少部分。
  31. 根据权利要求30所述的电池包,还包括第二板,所述第二板位于所述第二部分面向所述第一壳体的一侧并连接于所述第一壳体,所述第二板覆盖所述第一开口的至少部分;
    所述第二板和所述第二部分沿第三方向布置;
    所述第二板设有第四开口,所述第二子壳体包括第四卡扣,所述第四卡扣设于所述第二部分面向所述第一壳体的端面,所述第四卡扣穿过所述第四开口;
    所述第四卡扣在所述第一配合部位于所述第一位置时卡接于所述第二板,所述第四卡扣在所述第一配合部位于所述第二位置时解除与所述第二板的卡接。
  32. 根据权利要求31所述的电池包,还包括散热部件,所述散热部件的至少部分容纳于所述第一壳体内;
    所述第二板设有第五开口,所述散热部件与所述第五开口沿所述第三方向相对,所述第二部分覆盖所述第五开口。
PCT/CN2022/124080 2022-10-09 2022-10-09 电池包 WO2024077414A1 (zh)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160082073A (ko) * 2014-12-30 2016-07-08 에이치엘그린파워 주식회사 가스 유출 방지를 위한 배터리 팩
CN209786030U (zh) * 2019-06-10 2019-12-13 东软睿驰汽车技术(沈阳)有限公司 一种电池包的壳体及电池包
US20210242526A1 (en) * 2019-01-03 2021-08-05 Lg Chem, Ltd. Battery pack and battery pack assembly apparatus
CN214043868U (zh) * 2020-12-31 2021-08-24 北京科易动力科技有限公司 机柜式储能电池包
CN115084683A (zh) * 2022-07-22 2022-09-20 深圳市欣旺达综合能源服务有限公司 电池包及电源

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Publication number Priority date Publication date Assignee Title
KR20160082073A (ko) * 2014-12-30 2016-07-08 에이치엘그린파워 주식회사 가스 유출 방지를 위한 배터리 팩
US20210242526A1 (en) * 2019-01-03 2021-08-05 Lg Chem, Ltd. Battery pack and battery pack assembly apparatus
CN209786030U (zh) * 2019-06-10 2019-12-13 东软睿驰汽车技术(沈阳)有限公司 一种电池包的壳体及电池包
CN214043868U (zh) * 2020-12-31 2021-08-24 北京科易动力科技有限公司 机柜式储能电池包
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