Battery pack and electric equipment

Abstract

The utility model relates to the field of batteries, and discloses a battery pack and electric equipment. The battery pack comprises a box body and a battery pack, and the battery pack is arranged in the box body; the switching assembly comprises a base body and a conductive column, the conductive column and the base body are integrally formed in an injection molding mode, the conductive column is provided with a first end and a second end in the first direction, the first end and the second end protrude out of the first end face and the second end face of the base body respectively, and the conductive column comprises a main body arranged between the first end and the second end and a limiting part arranged on the main body; the limiting part is connected with the seat body; the seat body is connected with the box body; the first conducting bar is arranged in the accommodating cavity and is electrically connected to the first end and the battery pack; and the second conducting bar is arranged in the accommodating cavity and is electrically connected to the second end. By arranging the limiting part on the main body of the conductive column, the seat body and the limiting part can form a tight connection effect, and the contact area between the conductive column and the seat body is increased, so that the connection strength between the conductive column and the seat body can be increased, and the problem of loosening of the conductive column is reduced.

Description

Technical Field

[0001] This utility model relates to the field of battery technology, specifically to battery packs and electrical equipment. Background Technology

[0002] With the rapid development of electric vehicles, renewable energy storage systems, and other electrical devices, the demand for high-performance battery packs is increasing. As the energy source for these devices, the optimization of battery pack design and manufacturing is crucial for improving overall performance.

[0003] A battery pack typically includes a housing, battery pack, adapter assembly, and control assembly. The battery pack is housed within the housing and is electrically connected to the control assembly via the adapter assembly. The adapter assembly includes a base and conductive posts connected to the base. The base is connected to the housing, and the conductive posts are electrically connected between the battery pack and the control assembly. However, the conductive posts are prone to loosening. Utility Model Content

[0004] In view of this, the present invention provides a battery pack and electrical equipment to solve or improve the problem of conductive posts being prone to loosening.

[0005] In a first aspect, this utility model provides a battery pack having intersecting first and second directions, including:

[0006] The box-shaped enclosure has a receiving cavity;

[0007] The battery pack is located within the receiving cavity;

[0008] An adapter assembly, at least partially located within the receiving cavity, includes a base and a conductive post. Along the first direction, the conductive post has a first end and a second end disposed opposite to each other. The base has a first end face and a second end face, with the first end protruding relative to the first end face and the second end protruding relative to the second end face. The conductive post further includes a main body connected between the first end and the second end, and a limiting portion disposed on the main body. The main body is disposed inside the base, the limiting portion is connected to the base, and the base is connected to the housing.

[0009] A first conductive busbar is disposed within the receiving cavity and along the second direction. The first conductive busbar is located between the battery pack and the inner wall of the housing. The first conductive busbar is electrically connected to the first end and the battery pack.

[0010] The second conductive bus is electrically connected to the second terminal.

[0011] In one alternative embodiment, the battery pack further includes a cover plate;

[0012] The cover plate is connected to the housing and closes the receiving cavity. The cover plate is provided with a clearance hole at the position opposite to the adapter assembly. The clearance hole passes through the cover plate along the first direction.

[0013] In the first direction, the first end face and the first end are both located within the receiving cavity, and the second end face and the second end are both located on the side of the cover plate away from the receiving cavity.

[0014] In one optional embodiment, a sealing structure is provided between the seat and the cover plate, the sealing structure being used to seal the gap between the seat and the wall of the clearance hole;

[0015] And / or, the housing includes a bottom plate assembly and a side beam assembly; wherein the bottom plate assembly and the side beam assembly enclose the receiving cavity, and the cover plate is disposed on the side of the side beam assembly opposite to the bottom plate assembly.

[0016] In one alternative embodiment, the battery pack further includes a mounting base disposed within the receiving cavity, the mounting base comprising a first plate and a second plate connected to each other;

[0017] The first plate extends along the first direction and is connected to the inner wall of the box. The second plate extends along the second direction and is connected to the base. The first end is located between the second plate and the base. The end of the first conductive busbar near the first end is located between the second plate and the base and is electrically connected to the first end.

[0018] In one alternative embodiment, the battery pack further includes a cover plate connected to the housing and enclosing the receiving cavity. In the first direction, the seat is sandwiched between the second plate and the cover plate, and the seat and the cover plate are connected.

[0019] In one optional embodiment, one of the second plate and the base is provided with a positioning protrusion, and the other is provided with a positioning hole through which the positioning protrusion passes. The positioning protrusion extends along the first direction and passes through the positioning hole to achieve a limiting fit.

[0020] In one optional embodiment, the battery pack further includes a fastener, and the first end is provided with a fixing hole, and the first conductive bar is connected to the first end through the fastener;

[0021] And / or, the second end is provided with a fixing hole, and the second conductive bus is connected to the second end by a fastener.

[0022] In one optional embodiment, the limiting part is configured as a waist-shaped groove or a circular groove;

[0023] Alternatively, the main body may be a cylinder with a recessed portion forming the limiting portion.

[0024] In one optional embodiment, the limiting part is configured as a limiting tooth or an external thread structure;

[0025] Alternatively, the main body may be configured as a prism structure, with the side edges of the main body forming the limiting portion.

[0026] In one optional embodiment, at least two of the limiting portions are distributed along the axial direction of the conductive post;

[0027] And / or, at least two of the limiting portions are distributed in the circumferential direction of the conductive post.

[0028] Secondly, this utility model also provides an electrical device, including the battery pack described above.

[0029] The battery pack provided by this utility model is electrically connected to the control component through a first conductive busbar, a conductive post, and a second conductive busbar, so that electrical energy can be transferred between the battery pack and the control component through the first conductive busbar, the conductive post, and the second conductive busbar, thereby completing the charging and discharging of the battery pack.

[0030] By connecting the base to the box, the conductive post can be fixed to the box through the base, avoiding the problem of displacement or falling off of the conductive post and improving the stability of the conductive post.

[0031] By setting a limiting part on the main body of the conductive post, the base and the limiting part form a tight connection effect, and the connection area between the conductive post and the base is increased, thereby increasing the connection strength between the conductive post and the base and reducing the problem of the conductive post becoming loose.

[0032] This utility model provides an electrical device that, since it includes the battery pack provided by this utility model, also includes all the advantages of the battery pack mentioned above. Attached Figure Description

[0033] To more clearly illustrate the specific embodiments of this utility model or the technical solutions in the prior art, the drawings used in the description of the specific embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of this utility model. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0034] Figure 1 This is a schematic diagram of the battery pack provided in the embodiments of this utility model;

[0035] Figure 2 for Figure 1 Other angle views of the battery pack are shown;

[0036] Figure 3 This is a schematic diagram showing the relative positional relationship between the adapter assembly and the end beam provided in this embodiment of the present invention;

[0037] Figure 4 This is a schematic diagram of the structure of the base body connected to the end beam via a mounting seat in an embodiment of this utility model;

[0038] Figure 5 This is an exploded view of the adapter assembly and mounting base provided in the embodiments of this utility model;

[0039] Figure 6 This is a schematic diagram of the connection between the first conductive busbar and the conductive post provided in an embodiment of the present invention;

[0040] Figure 7 This is a schematic diagram of the structure of the first conductive post provided in the embodiments of this utility model;

[0041] Figure 8 This is a schematic diagram of the structure of the second type of conductive pillar provided in the embodiments of this utility model;

[0042] Figure 9 This is a schematic diagram of the structure of the first conductive bus provided in the embodiment of this utility model;

[0043] Figure 10 This is a schematic diagram showing the connection between the first conductive busbar, the base plate assembly, and the battery pack provided in this embodiment of the present invention.

[0044] Figure 11 This is a schematic diagram of the structure of the adapter assembly connecting the first conductive busbar and the second conductive busbar provided in this embodiment of the utility model;

[0045] Figure 12 This is a schematic diagram of the structure of the adapter component provided in the embodiment of this utility model;

[0046] Figure 13 for Figure 12 Other angle diagrams of the adapter assembly shown.

[0047] Explanation of reference numerals in the attached figures:

[0048] 1. Housing; 101. Base plate assembly; 102. Side beam assembly; 1021. End beam; 1022. Side beam; 103. Cover plate; 1031. Clearance hole; 104. Receiving cavity; 2. Adapter assembly; 201. Base; 2011. Positioning protrusion; 201a. First end face; 201b. Second end face; 202. Conductive post; 202a. First end; 202b. Second end; 202c. Main body; 2021. Limiting part; 2022. Fixing hole; 3. First conductive bar; 4. Mounting base; 401. Positioning hole; 402. First plate; 403. Second plate; 5. Buffer; 6. Binding piece; 7. Connecting seat; 8. Fastener; 9. Battery pack; 10. Sealing structure; 11. Second conductive bar; Z, First direction; X, Second direction; Y, Third direction. Detailed Implementation

[0049] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this utility model, not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0050] To address or improve the problem of conductive posts easily becoming loose, this utility model provides a battery pack and electrical equipment.

[0051] The following is combined with Figures 1 to 13 This describes the battery pack provided in the embodiments of the present invention.

[0052] Specifically, the battery pack has intersecting first direction Z and second direction X. The battery pack includes a housing 1, a battery pack 9, an adapter assembly 2, a first conductive busbar 3, and a second conductive busbar 11.

[0053] Among them, the box 1 has a receiving cavity 104.

[0054] The battery pack 9 is disposed inside the receiving cavity 104. Optionally, the battery pack also has a third direction Y, a second direction X, a third direction Y, and a first direction Z intersecting each other, for example, perpendicular to each other. The receiving cavity 104 contains a plurality of batteries, which are arranged along the second direction X and the third direction Y to form the battery pack 9.

[0055] At least a portion of the adapter 2 is located within the receiving cavity 104, that is, the adapter 2 is completely disposed within the receiving cavity 104, or a portion of the adapter 2 is disposed within the receiving cavity 104 and another portion is disposed outside the receiving cavity 104.

[0056] The adapter assembly 2 includes a base 201 and a conductive post 202.

[0057] refer to Figure 12 and Figure 13 As shown, along the first direction Z, the conductive post 202 has a first end 202a and a second end 202b disposed opposite to each other, and the base 201 has a first end face 201a and a second end face 201b disposed opposite to each other. Furthermore, in the first direction Z, the first end 202a of the conductive post 202 protrudes relative to the first end face 201a, and the second end 202b of the conductive post 202 protrudes relative to the second end face 201b.

[0058] The conductive post 202 also includes a main body 202c connected between the first end 202a and the second end 202b, and a limiting part 2021 provided on the main body 202c. The main body 202c is located inside the base 201. The base 201 is connected to the housing 1, that is, the base 201 is mounted on the housing 1.

[0059] The limiting part 2021 is connected to the base 201. For example, the limiting part 2021 is a recess or a protrusion, which can be connected to the substrate of the base 201, that is, the substrate of the base 201 enters into the recess, or the protrusion of the conductive post 202 enters into the substrate of the base 201, so that a positioning connection is formed between the limiting part 2021 and the base 201.

[0060] The first conductive busbar 3 is disposed in the receiving cavity 104 along the second direction X. The first conductive busbar 3 is located between the battery pack 9 and the inner wall of the housing 1, that is, in the second direction X, there is a gap between the battery pack 9 and the inner wall of the housing 1, and the first conductive busbar 3 is disposed in the gap between the battery pack 9 and the inner wall of the housing 1. The first conductive busbar 3 is electrically connected to the first end 202a of the conductive post 202 and the battery pack 9. For example, one end of the first conductive busbar 3 is electrically connected to the conductive post 202, and the other end of the first conductive busbar 3 is electrically connected to the total positive or total negative terminal of the battery pack 9.

[0061] The second conductive bus 11 is electrically connected to the second end 202b of the conductive post 202. Optionally, at least a portion of the second conductive bus 11 is disposed outside the receiving cavity 104. Optionally, one end of the second conductive bus 11 is electrically connected to the conductive post 202, and the other end of the second conductive bus 11 is electrically connected to a control component. Optionally, the control component includes, but is not limited to, a battery management module and a battery power distribution module.

[0062] In this embodiment, the battery pack 9 is electrically connected to the control component through the first conductive busbar 3, the conductive post 202 and the second conductive busbar 11, so that the battery pack 9 and the control component can transmit electrical energy through the first conductive busbar 3, the conductive post 202 and the second conductive busbar 11, thereby completing the charging and discharging of the battery pack.

[0063] By connecting the base 201 to the housing 1, the conductive post 202 can be fixed to the housing 1 through the base 201, which avoids the problem of displacement or falling off of the conductive post 202 and improves the stability of the conductive post 202.

[0064] By providing a limiting part 2021 in the main body 202c of the conductive post 202, the seat 201 and the limiting part 2021 form a tight connection effect, and the contact area between the conductive post 202 and the seat 201 is increased, thereby increasing the connection strength between the conductive post 202 and the seat 201 and reducing the problem of the conductive post 202 becoming loose.

[0065] Optionally, the conductive post 202 is a metal post, and the base 201 is a plastic base. For example, the conductive post 202 and the base 201 are injection molded as a single unit.

[0066] refer to Figure 1 As shown, in some embodiments provided by this utility model, the battery pack also includes a cover plate 103.

[0067] The cover plate 103 is connected to the housing 1 and closes the receiving cavity 104. The cover plate 103 is provided with a clearance hole 1031 at the position opposite to the adapter assembly 2, and the clearance hole 1031 passes through the cover plate 103 along the first direction Z.

[0068] In the first direction Z, the first end face 201a and the first end 202a of the conductive post 202 are both located in the receiving cavity 104. Correspondingly, the first conductive busbar 3 is disposed inside the housing 1 and is electrically connected to the first end 202a of the conductive post 202.

[0069] In the first direction Z, the second end face 201b and the second end 202b of the conductive post 202 are both located on the side of the cover plate 103 away from the receiving cavity 104. Correspondingly, the second conductive bus 11 is disposed outside the housing 1 and is electrically connected to the second end 202b of the conductive post 202.

[0070] In this embodiment, by having the base 201 and the conductive post 202 pass through the clearance hole 1031, and by having the conductive post 202 connect between the first conductive bar 3 and the second conductive bar 11 inside and outside the housing 1, the control component can be placed outside the housing 1, thus avoiding the control component occupying the internal space of the housing 1. Furthermore, when repairing or maintaining the control component, it is not necessary to open the housing 1, so as to facilitate separate repair or maintenance of the control component.

[0071] In addition, by providing the clearance hole 1031 on the cover plate 103 so that the adapter assembly 2 can pass through the cover plate 103, the top space of the battery pack can be fully utilized, which helps to optimize the overall spatial layout of the battery pack and improve space utilization.

[0072] refer to Figure 5As shown, in some embodiments provided by this utility model, a sealing structure 10 is provided between the seat 201 and the cover plate 103. The sealing structure 10 is used to seal the gap between the seat 201 and the inner wall of the clearance hole 1031.

[0073] Since the seat 201 passes through the clearance hole 1031 of the cover plate 103, in this embodiment, by setting a sealing structure 10 between the seat 201 and the clearance hole 1031, on the one hand, external impurities can be prevented from entering the box 1 through the clearance hole 1031, and on the other hand, when injecting glue into the box 1, glue can be prevented from overflowing from the clearance hole 1031.

[0074] Alternatively, the sealing structure 10 may be configured as a sealing gasket, sealing foam, or sealing adhesive.

[0075] Optionally, refer to Figure 5 As shown, the seat 201 includes a plate. In the first direction Z, the second end 202b of the conductive post 202 protrudes from the surface of the plate. The sealing structure 10 is disposed on the surface of the plate and is used to abut against the surface of the cover plate 103 facing the receiving cavity 104.

[0076] In some embodiments provided by this utility model, the box body 1 includes a bottom plate assembly 101 and a side beam assembly 102.

[0077] The base plate assembly 101 and the side beam assembly 102 form a receiving cavity 104, and the cover plate 103 is disposed on the side of the side beam assembly 102 away from the base plate assembly 101.

[0078] In this embodiment, the battery pack 9 is housed in a space formed by the base plate assembly 101, the cover plate 103, and the side beam assembly 102, which enables the base plate assembly 101, the cover plate 103, and the side beam assembly 102 to provide good protection for the battery pack 9.

[0079] Optionally, the side beam assembly 102 includes two side beams 1022 and two end beams 1021. The two side beams 1022 and the two end beams 1021 together form a rectangular frame structure. The bottom plate assembly 101 and the cover plate 103 are respectively sealed at both ends of the rectangular frame structure.

[0080] In this embodiment, the side beam assembly 102 is configured in this way, resulting in a simple structure. The rectangular frame structure helps to distribute the load evenly and avoid local stress concentration, thereby improving the stability and durability of the entire side beam assembly 102.

[0081] Optionally, the cover plate 103 includes at least two splice plates, which together cover one end of the side beam assembly 102.

[0082] In this embodiment, by setting at least two splicing panels, the area of ​​the splicing panels is relatively small, which facilitates the processing, inspection and transportation of the splicing panels, thereby reducing the processing cost, transportation cost and inspection cost of the splicing panels.

[0083] In addition, by having at least two splicing plates jointly cover one end of the side beam assembly 102, the splicing plate at the corresponding position can be opened as needed, without having to open the entire cover plate 103, which can reduce the difficulty of repairing or maintaining the battery pack.

[0084] Optionally, the base plate assembly 101 includes a cooling plate and a protective plate. The cooling plate is supported at the bottom of the battery pack 9 and is used to regulate the temperature of the battery pack 9. The cooling plate can be configured as a liquid cooling plate or a direct cooling plate. The protective plate is located at the bottom of the cooling plate and is used to provide protection.

[0085] refer to Figure 4 and Figure 5 As shown, in some embodiments of this utility model, the battery pack has a second direction X intersecting the first direction Z. The battery pack also includes a mounting base 4 disposed within the receiving cavity 104. The mounting base 4 includes a first plate 402 and a second plate 403, which are connected together.

[0086] The first plate 402 extends along the first direction Z and is connected to the inner wall of the housing 1. The second plate 403 extends along the second direction X and is connected to the base 201. The first end 202a of the conductive post 202 is located between the second plate 403 and the base 201. The end of the first conductive busbar 3 near the first end 202a is located between the second plate 403 and the base 201 and is connected to the first end 202a of the conductive post 202.

[0087] In this embodiment, the mounting base 4 is used to install and fix the base 201, which can improve the stability of the adapter component 2 and avoid the problem of the adapter component 2 moving.

[0088] Furthermore, the mounting base 4 includes a first plate 402 and a second plate 403 connected to each other, making the structure of the mounting base 4 simple and easy to manufacture. The first plate 402 extends along the first direction Z, resulting in a larger contact area between the first plate 402 and the inner wall of the housing 1, and higher connection stability. The second plate 403 extends along the second direction X, resulting in a larger contact area between the second plate 403 and the mounting base 4, and higher connection stability.

[0089] refer to Figure 4 and Figure 5 As shown, in some embodiments of this utility model, the battery pack further includes a cover plate 103. The cover plate 103 is connected to the housing 1 and closes the receiving cavity 104.

[0090] In the first direction Z, the seat 201 is sandwiched between the second plate 403 and the cover plate 103, that is, one end of the seat 201 abuts against the second plate 403 and the other end abuts against the cover plate 103. The seat 201 is connected to the cover plate 103.

[0091] With this configuration, the base 201 is positioned between the cover plate 103 and the mounting base 4, and can be clamped and fixed by the cover plate 103 and the mounting base 4, thereby reducing the number of connecting parts required to install and fix the base 201.

[0092] Optionally, the seat 201 can be connected to the cover 103 via a sealing structure 10. For example, the sealing structure 10 can be a gasket, sealing foam, or sealant.

[0093] refer to Figure 5 As shown, in some embodiments provided by this utility model, one of the second plate 403 and the base 201 is provided with a positioning protrusion 2011, and the other is provided with a positioning hole 401 through which the positioning protrusion 2011 passes. The positioning protrusion 2011 extends along the first direction Z, and the positioning protrusion 2011 is inserted into the positioning hole 401 to achieve a limiting fit.

[0094] With this configuration, the seat 201 is positioned between the cover plate 103 and the second plate 403, which can limit the seat 201 in the first direction Z. The seat 201 and the mounting base 4 are positioned by a positioning hole 401 and a positioning protrusion 2011, which can limit the seat 201 in a direction perpendicular to the first direction Z, preventing the seat 201 from moving between the cover plate 103 and the mounting base 4, thereby improving the stability of the seat 201.

[0095] Optionally, a positioning protrusion 2011 is provided on the base 201, and a positioning hole 401 is provided on the second plate 403. Of course, the reverse is also possible.

[0096] Optionally, refer to Figure 4 As shown, the mounting base 4 is configured as a bent plate, meaning that the first plate 402 and the second plate 403 are configured as a bent integral structure. This configuration reduces the number of parts in the mounting base 4, simplifies the assembly process, and thus improves production efficiency.

[0097] refer to Figures 9-10 As shown, in some embodiments provided by this utility model, the first conductive busbar 3 is disposed inside the housing 1. For example, the first conductive busbar 3 extends along the third direction Y and is connected and fixed to at least one of the housing 1 and the battery pack 9.

[0098] By connecting and fixing the portion between the two ends of the conductive busbar to at least one of the housing 1 and the battery pack 9, it is equivalent to adding a support point to the first conductive busbar 3, which can significantly improve the bending stiffness of the first conductive busbar 3. The increased bending stiffness means that the first conductive busbar 3 is less prone to bending deformation when subjected to external forces. At the same time, the addition of support points can effectively suppress the free vibration of the first conductive busbar 3, reducing fatigue damage or abnormal noise caused by vibration.

[0099] Optionally, refer to Figure 10 As shown, the first conductive busbar 3 is connected and fixed to at least one of the base plate assembly 101 and the battery pack 9.

[0100] refer to Figures 9-10 As shown, in some embodiments provided by this utility model, the battery pack further includes a buffer member 5. The buffer member 5 is disposed between the first conductive busbar 3 and the base plate assembly 101, and abuts against the conductive busbar.

[0101] In this embodiment, the first conductive busbar 3 abuts against the base plate assembly 101 through the buffer member 5. The buffer member 5 can support the first conductive busbar 3, improve the rigidity of the first conductive busbar 3, and suppress the vibration of the first conductive busbar 3.

[0102] On the other hand, the buffer 5 is made of elastic material, which can absorb and disperse impacts and vibrations, reduce the transmission of vibrations and impacts between the first conductive busbar 3 and the base plate assembly 101, thereby reducing the mutual influence between the first conductive busbar 3 and the base plate assembly 101.

[0103] Finally, the buffer 5 can ensure a tight contact between the first conductive busbar 3 and the base plate assembly 101, preventing loosening caused by vibration, thereby providing a reliable support effect for the first conductive busbar 3.

[0104] In some embodiments provided by this utility model, the first conductive busbar 3 includes a metal component and a protective layer.

[0105] The metal component is electrically connected to the battery pack 9 and the conductive post 202, that is, one end of the metal component is electrically connected to the battery pack 9 and the other end is electrically connected to the conductive post 202. A buffer 5 is disposed between the metal component and the base plate assembly 101 to support the metal component. A protective layer covers at least a portion of the metal component and at least a portion of the buffer 5.

[0106] In this embodiment, by providing a protective layer on the outside of the metal part, the protective layer can protect the metal part, reduce the wear of the metal part, and thus extend the service life of the battery pack.

[0107] By placing at least a portion of the buffer 5 between the protective layer and the metal part, the buffer 5 can be fixed by the protective layer, thus eliminating the need for a separate fixing component for the buffer 5, reducing the cost of the battery pack, and making the battery pack structure simpler and more compact.

[0108] Optionally, the protective layer includes a ceramic composite tape wrapped around the outside of the metal component. In this embodiment, the protective layer includes a ceramic composite tape, which has good wear resistance and can effectively reduce wear on the metal component. Simultaneously, the ceramic composite tape also has good high-temperature resistance, thus reducing or avoiding the impact of high temperatures on the first conductive busbar 3 in the event of thermal runaway of the battery pack.

[0109] In some embodiments of this utility model, the buffer 5 is configured as conductive foam. In this embodiment, the buffer 5 is configured as conductive foam, which is disposed outside the first conductive busbar 3. It can effectively reflect and absorb electromagnetic waves, reduce the conduction of electromagnetic waves, and play an electromagnetic shielding role, thereby reducing the impact of the first conductive busbar 3 on the control components or slave control modules.

[0110] Of course, the buffer 5 can also be made of rubber or silicone.

[0111] In some embodiments provided by this utility model, the first conductive busbar 3 further includes an insulating layer. The insulating layer covers at least a portion of the metal component, and the buffer 5 and the protective layer are both disposed on the side of the insulating layer away from the metal component.

[0112] In this embodiment, by providing an insulating layer on the outside of the metal part, leakage or short circuit of current between the metal part and the external structure can be prevented, thereby greatly reducing the risk of electrical failure.

[0113] refer to Figure 9 As shown, in some embodiments provided by this utility model, along the third direction Y, the metal part is covered with at least two spaced protective layers, the buffer 5 is located between two adjacent protective layers, and the two ends of the buffer 5 are respectively located between the corresponding protective layer and the metal part.

[0114] In this embodiment, by setting at least two protective layers, and with the two ends of the buffer 5 respectively located between the corresponding protective layer and the metal part, both ends of the buffer 5 are wrapped and fixed by the corresponding protective layer, thereby providing a better fixing effect for the buffer 5 and reducing the risk of the buffer 5 falling off.

[0115] In some embodiments provided by this utility model, the first conductive busbar 3 is detachably connected to the battery pack 9.

[0116] In this embodiment, by making the first conductive busbar 3 detachably connected to the battery pack 9, on the one hand, the battery pack 9 can provide support and fixation for the first conductive busbar 3, thereby improving the rigidity of the first conductive busbar 3 and suppressing its vibration. On the other hand, it facilitates the disassembly and replacement of the first conductive busbar 3.

[0117] refer to Figures 9-10 As shown, in some embodiments provided by this utility model, the battery pack further includes a binding member 6 and a connecting seat 7.

[0118] The connector 7 is connected to the battery pack 9. Optionally, the connector 7 is connected to the battery pack 9 via a side plate. For example, the connector 7 can be connected to the side plate by adhesive or fasteners. The connector 7 is provided with a channel extending through the battery pack in the first direction Z.

[0119] The binding 6 passes through the channel and wraps around the outside of the first conductive busbar 3 to connect the first conductive busbar 3 to the connector 7.

[0120] In this embodiment, the binding member 6 passes through the channel of the connector 7 and is wrapped around and secured to the outside of the first conductive busbar 3, which can effectively prevent the first conductive busbar 3 from undergoing excessive displacement and loosening, thereby improving the rigidity and stability of the first conductive busbar 3. In addition, during the connection process, the connection process can be completed simply by passing the binding member 6 through the channel and wrapping it around and securing it to the outside of the first conductive busbar 3. This quick connection method can improve assembly efficiency and shorten the production cycle.

[0121] Optionally, the binding element 6 is a cable tie. Cable ties are typically easy to replace; when replacement or repair is needed, simply cut or remove the cable tie and re-secure it. This convenience reduces maintenance costs and improves maintenance efficiency.

[0122] Optionally, refer to Figure 10 As shown, in the second direction X, the first conductive busbar 3 is disposed between the end beam 1021 and the battery pack 9 to make full use of the space between the end beam 1021 and the battery pack 9.

[0123] refer to Figures 5-7 As shown, in some embodiments of this utility model, the battery pack further includes fasteners. The first end 202a of the conductive post 202 is provided with a fixing hole 2022, and the first conductive bus 3 is connected to the first end 202a of the conductive post 202 through a fastener 8. Specifically, the fastener 8 passes through the first conductive bus 3 and is threadedly connected to the fixing hole 2022 of the first end 202a of the conductive post 202.

[0124] In this embodiment, the fastener 8 is connected to the conductive post 202, which ensures a stable connection between the first conductive busbar 3 and the conductive post 202, reducing the risk of loosening of the first conductive busbar 3 due to vibration or other external forces. Furthermore, the fastener 8 provides a large tightening force, ensuring close contact between the conductive post 202 and the first conductive busbar 3.

[0125] In some embodiments of this utility model, the second end 202b of the conductive post 202 is provided with a fixing hole 2022, and the second conductive bus 11 is connected to the second end 202b of the conductive post 202 by a fastener 8. Specifically, the fastener 8 passes through the second conductive bus 11 and is threadedly connected to the fixing hole 2022 of the second end 202b of the conductive post 202.

[0126] In this embodiment, the fastener 8 is connected to the conductive post 202, which enables a stable connection between the second conductive busbar 11 and the conductive post 202, reducing the risk of the second conductive busbar 11 becoming loose due to vibration or other external forces. Furthermore, the fastener 8 provides a large tightening force, ensuring close contact between the conductive post 202 and the second conductive busbar 11.

[0127] Furthermore, the fixing holes 2022 at both ends of the conductive post 202 are connected. With this configuration, it is not necessary to perform the drilling or threading process in two separate steps, thereby improving the processing efficiency of the conductive post 202 and reducing its processing difficulty.

[0128] refer to Figure 7 As shown, in some embodiments provided by this utility model, the limiting part 2021 is configured as a waist-shaped groove. With this configuration, the limiting part 2021 can be machined by milling, thereby reducing the machining difficulty of the limiting part 2021.

[0129] Of course, the limiting part 2021 is not limited to being a waist-shaped groove. For example, in other embodiments provided by this utility model, the limiting part 2021 can also be a circular groove. With such a setting, the limiting part 2021 can be machined by drilling or milling, which can also reduce the machining difficulty of the limiting part 2021.

[0130] It is understandable that the limiting part 2021 is not limited to circular grooves and oblong grooves, for example, see reference Figure 8 As shown, in some other embodiments provided by this utility model, the main body 202c is provided as a cylinder, and a recessed portion is provided in the main body 202c, the recessed portion forming a limiting portion 2021.

[0131] With this configuration, a plane can be milled on the outer circumferential wall of the main body 202c by milling. The plane is recessed relative to other parts of the outer circumferential wall of the conductive post 202, which can serve as a recessed part and form the limiting part 2021, thereby reducing the machining difficulty of the limiting part 2021.

[0132] In some embodiments provided by this utility model, the limiting part 2021 is configured as limiting teeth, for example, there are multiple limiting teeth, and the multiple limiting teeth are distributed along the circumference of the conductive post 202. Alternatively, the limiting part 2021 is configured as an external thread structure. In this way, by machining the external thread, the limiting part 2021 can be formed on the surface of the conductive post 202, thereby reducing the machining difficulty of the limiting part 2021.

[0133] Of course, the limiting part 2021 is not limited to being a limiting tooth or an external thread structure. For example, in other embodiments provided by this utility model, the main body 202c is configured as a prism structure, and the side edges of the main body 202c form the limiting part 2021.

[0134] In some embodiments of this invention, at least two limiting portions 2021 are distributed along the axial direction of the conductive post 202. For example, at least two waist-shaped grooves, circular grooves, planar areas, or limiting teeth are distributed along the axial direction of the conductive post 202. This arrangement can further increase the contact area between the conductive post 202 and the base 201, and improve the connection strength between the conductive post 202 and the base 201.

[0135] In some embodiments of this invention, at least two limiting portions 2021 are distributed along the circumferential direction of the conductive post 202. For example, at least two waist-shaped grooves, circular grooves, planar areas, or limiting teeth are distributed along the circumferential direction of the conductive post 202. This arrangement can further increase the contact area between the conductive post 202 and the base 201, and improve the connection strength between the conductive post 202 and the base 201.

[0136] This utility model embodiment also provides an electrical device.

[0137] Specifically, the electrical equipment includes the battery pack described above.

[0138] It should be noted that the electrical equipment includes the battery pack, and therefore also includes all the advantages of the battery pack mentioned above, so this will not be elaborated further.

[0139] It should also be noted that electrical equipment includes, but is not limited to, electric vehicles and renewable energy storage systems.

[0140] Although embodiments of the present invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the present invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A battery pack having intersecting first direction (Z) and second direction (X), characterized in that, include: The box (1) has a receiving cavity (104); The battery pack (9) is disposed within the receiving cavity (104); The adapter assembly (2), at least partially located within the receiving cavity (104), includes a base (201) and a conductive post (202). Along the first direction (Z), the conductive post (202) has a first end (202a) and a second end (202b) disposed opposite each other. The base (201) has a first end face (201a) and a second end face (201b), with the first end (202a) protruding relative to the first end face (201a). The end (202b) protrudes from the second end face (201b). The conductive post (202) also includes a main body (202c) connected between the first end (202a) and the second end (202b) and a limiting part (2021) provided on the main body (202c). The main body (202c) is located inside the base (201). The limiting part (2021) is connected to the base (201). The base (201) is connected to the box (1). A first conductive bus (3) is disposed in the receiving cavity (104) and along the second direction (X). The first conductive bus (3) is located between the battery pack (9) and the inner wall of the housing (1). The first conductive bus (3) is electrically connected to the first end (202a) and the battery pack (9). The second conductive bus (11) is electrically connected to the second terminal (202b).

2. The battery pack according to claim 1, characterized in that, The battery pack also includes a cover plate (103); The cover plate (103) is connected to the box body (1) and closes the receiving cavity (104). The cover plate (103) is provided with a clearance hole (1031) at the position opposite to the adapter assembly (2). The clearance hole (1031) passes through the cover plate (103) along the first direction (Z). In the first direction (Z), the first end face (201a) and the first end (202a) are both located within the receiving cavity (104), and the second end face (201b) and the second end (202b) are both located on the side of the cover plate (103) away from the receiving cavity (104).

3. The battery pack according to claim 2, characterized in that, A sealing structure (10) is provided between the seat (201) and the cover plate (103), and the sealing structure (10) is used to seal the gap between the seat (201) and the hole wall of the clearance hole (1031); And / or, the housing (1) includes a bottom plate assembly (101) and a side beam assembly (102); wherein the bottom plate assembly (101) and the side beam assembly (102) enclose the receiving cavity (104), and the cover plate (103) is disposed on the side of the side beam assembly (102) away from the bottom plate assembly (101).

4. The battery pack according to any one of claims 1-3, characterized in that, The battery pack also includes a mounting base (4) disposed in the receiving cavity (104), the mounting base (4) including a first plate (402) and a second plate (403) connected to each other; The first plate (402) extends along the first direction (Z) and is connected to the inner wall of the housing (1); the second plate (403) extends along the second direction (X) and is connected to the base (201); the first end (202a) is located between the second plate (403) and the base (201); The first conductive bus (3) is located between the second plate (403) and the base (201) at one end near the first end (202a), and is electrically connected to the first end (202a).

5. The battery pack according to claim 4, characterized in that, The battery pack also includes a cover plate (103), which is connected to the housing (1) and closes the receiving cavity (104). In the first direction (Z), the seat (201) is sandwiched between the second plate (403) and the cover plate (103), and the seat (201) and the cover plate (103) are connected.

6. The battery pack according to claim 5, characterized in that, One of the second plate (403) and the base (201) is provided with a positioning protrusion, and the other is provided with a positioning hole for the positioning protrusion to pass through. The positioning protrusion extends along the first direction (Z) and passes through the positioning hole to achieve a limiting fit.

7. The battery pack according to any one of claims 1-3, characterized in that, The battery pack also includes a fastener (8), the first end (202a) is provided with a fixing hole (2022), and the first conductive bus (3) is connected to the first end (202a) through the fastener (8); And / or, the second end (202b) is provided with a fixing hole (2022), and the second conductive bus (11) is connected to the second end (202b) through the fastener (8).

8. The battery pack according to any one of claims 1-3, characterized in that, The limiting part (2021) is configured as an oblong groove or a circular groove; Alternatively, the main body (202c) may be cylindrical, and a recessed portion may be provided on the main body (202c), the recessed portion forming the limiting portion (2021).

9. The battery pack according to any one of claims 1-3, characterized in that, The limiting part (2021) is configured as a limiting tooth or an external thread structure; Alternatively, the main body (202c) may be configured as a prism structure, with the side edges of the main body (202c) forming the limiting portion (2021).

10. The battery pack according to any one of claims 1-3, characterized in that, At least two limiting portions (2021) are distributed along the axial direction of the conductive post (202); And / or, at least two of the limiting portions (2021) are distributed in the circumferential direction of the conductive post (202).

11. An electrical appliance, characterized in that, Includes the battery pack as described in any one of claims 1-10.

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