Base shell, battery control module and battery pack

Abstract

The utility model provides a base shell, a battery control module and a battery pack. The base shell comprises a bottom plate and side plates surrounding the peripheral side of the bottom plate; a mounting part is arranged on the upper surface of the bottom plate and is used for mounting a first electrical component; a plurality of vertical plates are arranged on the lower surface of the bottom plate and extend in the direction perpendicular to the bottom plate. Part of the vertical plates are mutually connected to define an accommodating cavity, part of the vertical plates and the side plates are connected to define an accommodating cavity, and the accommodating cavity is used for accommodating a second electrical assembly; and a connecting part is arranged on the side plate and is used for connecting the shell. Therefore, installation or connection of a plurality of assemblies in the battery pack is realized through one base shell, the integration level of the control assembly in the battery pack is improved, the difficulty of installation and arrangement of the control assembly in the battery pack is reduced, and the preparation efficiency of the battery pack is improved.

Description

Technical Field

[0001] This application relates to the field of battery pack technology, and in particular to a base shell, a battery control module, and a battery pack. Background Technology

[0002] Battery packs typically contain battery packs and control components for managing the battery packs, such as BDU (Battery Disconnect Unit) components and CCS (Cells Contact System) components. However, in existing battery packs, the integration of each control component is low, making it difficult to install and deploy them within the battery pack, which affects the manufacturing efficiency of the battery pack. Utility Model Content

[0003] In view of this, this application aims to provide a base shell, a battery control module, and a battery pack to at least solve the problem of low integration of control components in existing battery packs, which affects the efficiency of battery pack manufacturing.

[0004] To achieve the above objectives, the technical solution of this application is implemented as follows:

[0005] This application provides a base shell, including a base plate and side plates surrounding the periphery of the base plate; the upper surface of the base plate is provided with a mounting portion for mounting a first electrical component; the lower surface of the base plate is provided with a plurality of vertical plates extending in a direction perpendicular to the base plate; some of the vertical plates are interconnected to form a receiving cavity, and some of the vertical plates are connected to the side plates to form a receiving cavity for accommodating a second electrical component; the side plates are provided with connecting portions for connecting the housing.

[0006] Furthermore, the connecting part is at least one of a protrusion, a groove, and a through hole.

[0007] Furthermore, the mounting part includes a plurality of connecting posts, and the connecting posts have connecting holes on the side opposite to the base plate. The connecting holes are used to insert fasteners to fix the first electrical component.

[0008] Furthermore, a hook is provided on a portion of the vertical plate of the accommodating cavity, and the hook is located at the end of the vertical plate away from the lower surface. The hook extends in the direction toward the accommodating cavity to lock and fix the second electrical component.

[0009] Furthermore, the hook has a transition surface on the side near the receiving cavity, the transition surface being used to abut against the manifold during the process of the manifold being engaged in the receiving cavity; the transition surface is an inclined surface or an arc surface.

[0010] Furthermore, several of the accommodating cavities are arranged side by side on the base plate; and / or, the accommodating cavities are rectangular structures.

[0011] Furthermore, the base plate is also provided with a first through hole and a second through hole; the first through hole and the second through hole penetrate the base plate in a direction perpendicular to the base plate, wherein the first through hole is used for a portion of the second electrical component to pass through, so as to realize the electrical connection between the second electrical component and the first electrical component, and the second through hole is used for a fastener to pass through to fix the second electrical component.

[0012] This application also provides a battery control module, including a first electrical component, a second electrical component, a housing, and a base shell as described in any of the preceding claims. The first electrical component is mounted on the mounting portion, the second electrical component is housed within the accommodating cavity, and the housing is fixedly connected to the connecting portion.

[0013] Furthermore, the housing includes a cover and a bracket, the cover being located on the upper surface of the base plate and the bracket being located on the lower surface of the base plate; the connecting part includes a protrusion and a through hole, the cover being fastened to the protrusion and the bracket being snapped into the through hole.

[0014] This application also provides a battery pack, including the aforementioned battery control module.

[0015] Compared with the prior art, the battery control module and battery pack described in this application have the following advantages:

[0016] The base shell of this application embodiment can mount the first electrical component through the mounting part on the upper surface of the bottom plate, accommodate the second electrical component through the accommodating cavity on the lower surface of the bottom plate, and connect the housing through the connecting part on the side plate. That is, multiple components in the battery pack can be installed or connected through a base shell, which helps to improve the integration of the control components in the battery pack, reduce the difficulty of installing and laying the control components in the battery pack, and improve the manufacturing efficiency of the battery pack.

[0017] The battery control module and battery pack have the same advantages over the prior art as the aforementioned base shell, and will not be repeated here. Attached Figure Description

[0018] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments and descriptions of this application are used to explain this application and do not constitute an undue limitation of this application. In the drawings:

[0019] Figure 1 This is a schematic diagram of a base shell as described in an embodiment of this application;

[0020] Figure 2This is a schematic diagram of a receiving cavity as described in an embodiment of this application;

[0021] Figure 3 This is a partially enlarged schematic diagram of a receiving cavity as described in an embodiment of this application;

[0022] Figure 4 This is an exploded view of the structure of a battery control module according to an embodiment of this application.

[0023] Explanation of reference numerals in the attached figures:

[0024] 01-Base shell, 10-Accommodation cavity, 11-Bottom plate, 12-Side plate, 13-Vertical plate, 131-Hook, 132-Transition surface, 133-Hollow part, 14-Mounting part, 15-Connecting part, 151-Protrusion, 152-Through hole, 16-First through hole, 17-Second through hole, 18-Adapter, 02-Cover, 03-First electrical component. Detailed Implementation

[0025] It should be noted that, unless otherwise specified, the embodiments and features described in this application can be combined with each other. The described embodiments are only a part of the embodiments of this application, not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this application without creative effort are within the scope of protection of this application.

[0026] The terms "first," "second," etc., used in the specification and claims of this application are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such use of data can be interchanged where appropriate so that embodiments of this application can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0027] It should be understood that the phrase "in one embodiment" throughout the specification means that a specific feature, structure, or characteristic related to an embodiment is included in at least one embodiment of this application. Therefore, "in one embodiment" appearing throughout the specification does not necessarily refer to the same embodiment. Furthermore, these specific features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

[0028] Figure 1 This is a schematic diagram of a base shell as described in an embodiment of this application. Figure 2 This is a schematic diagram of a receiving cavity according to an embodiment of this application. Figure 3This is a partially enlarged schematic diagram of a receiving cavity according to an embodiment of this application. Figure 4 This is an exploded view of the structure of a battery control module according to an embodiment of this application. The following will refer to... Figures 1 to 4 This application will be described in detail with reference to the embodiments.

[0029] This application provides a base shell 01, including a base plate 11 and side plates 12 surrounding the base plate 11; the upper surface of the base plate 11 is provided with a mounting portion 14 for a first electrical component; the lower surface of the base plate 11 is provided with a plurality of vertical plates 13, which extend in a direction perpendicular to the base plate 11; some of the vertical plates 13 are connected to each other to form a receiving cavity 10, and some of the vertical plates 13 are connected to the side plates 12 to form a receiving cavity 10, which is used to receive a second electrical component; the side plates 12 are provided with a connecting portion 15 for connecting the shell.

[0030] Specifically, the base shell 01 can be in various forms such as square, rectangular, and circular. Based on the installation requirements of control components in most battery packs, a rectangular base shell 01 is used. Furthermore, the base shell 01 can be made of polytetrafluoroethylene (PTFE), polyimide (PI), rigid plastics, silicone rubber, composite materials, etc., possessing good insulation, heat resistance, high-temperature resistance, and stability. When the first or second electrical component is installed on the base shell 01, electrical isolation between the base shell 01 and the first or second electrical component can be achieved.

[0031] Reference Figure 1 The base shell 01 includes a base plate 11 and side plates 12 surrounding the base plate 11. The base plate 11 and the side plates 12 are fixedly connected. The base shell 01 can be manufactured as a single piece using an integral molding process, with the base plate 11 and the side plates 12 being different parts of the base shell 01. Alternatively, the base shell 01 can be assembled from independent components. The base plate 11 and the side plates 12 are assembled together using fasteners such as bolts and screws, or welded together by laser welding, thereby forming a complete base shell 01. The base plate 11 includes an upper surface and a lower surface, which are two surfaces of the base plate that are opposite each other along its thickness direction. The side plates 12 are located on the side where the lower surface of the base plate 11 is located.

[0032] The upper surface of the base plate 11 is provided with a mounting portion 14. The mounting portion 14 can be any form, such as a groove, a protrusion, a mounting hole, or a snap-fit. The mounting portion 14 can mount a first electrical component. For example, the first electrical component can be a component used to manage and distribute the battery pack's electrical energy. The first electrical component can be a BDU component within the battery pack, such as a relay, current sensor, fuse, high and low voltage connector, resistor, sealing ring, etc. Of course, the first electrical component can also be other components within the battery pack, such as a BMS (Battery Management System) component, a PCM (Protection Circuit Module) component, etc., which will not be described in detail in this embodiment.

[0033] Reference Figure 2 The lower surface of the base plate 11 is provided with several vertical plates 13, which extend in a direction perpendicular to the base plate 11. These vertical plates 13 are arranged in an orderly manner on the base plate 11. Some of the vertical plates 13 are interconnected to form a receiving cavity 10, and some of the vertical plates 13 are connected to the side plates 12 to form a receiving cavity 10. Figure 2 On the base shell 01 shown, every four vertical plates 13 form a rectangular or square accommodating cavity 10, wherein the four vertical plates 13 are connected to each other in pairs; or, every three vertical plates 13 and the side plate 12 form a rectangular or square accommodating cavity 10, wherein the three vertical plates 13 are connected to each other in pairs, and the two vertical plates 13 are connected to the side plate 12. It should be noted that the connection between the vertical plates 13 can be achieved by fastener assembly, laser welding, adhesive bonding, or snap-fitting, and this embodiment of the application does not limit this.

[0034] The accommodating cavity 10 is used to accommodate a second electrical component. For example, the second electrical component can be a CCS component, such as a busbar. The busbar can be made of metal plates such as copper or aluminum, possessing good conductivity. The busbar is connected in series or parallel with multiple battery cells in the battery pack, enabling it to collect the current generated by the multiple battery cells. When current needs to be output to an external load or system, the collected current is evenly distributed to each load or system to achieve the charging and discharging function of the battery pack. Of course, the second electrical component can also be other components within the battery pack; this embodiment will not elaborate further on this.

[0035] In some embodiments, the surface of the vertical plate 13 near the receiving cavity 10 can be roughened, and the second electrical component is housed within the receiving cavity 10. The second electrical component is fixed by the friction between the second electrical component and the surface of the vertical plate 13. In other embodiments, a limiting groove can also be provided on the surface of the vertical plate 13 near the receiving cavity 10, and the second electrical component is fixed by being engaged within the limiting groove. The embodiments of this application do not limit the method by which the receiving cavity 10 houses the second electrical component.

[0036] The side plate 12 is provided with a connecting part 15, which is used to connect the housing. A cavity can be formed between the housing and the base shell to protect the first electrical component or the second electrical component. The housing can also be made of polytetrafluoroethylene (PTFE), polyimide (PI), rigid plastic, silicone rubber, composite materials, etc., which have good insulation, heat resistance, high temperature resistance, and stability. This can effectively prevent short circuits caused by contact between the housing and the first or second electrical component, and also ensure the dustproofness and reliability of the housing. The connection between the connecting part 15 and the housing can be achieved by fastener assembly, adhesive bonding, or snap-fit, and this embodiment of the application does not limit this.

[0037] Based on this, the base shell 01 of this application embodiment can install the first electrical component through the mounting part 14 on the upper surface of the base plate 11, accommodate the second electrical component through the accommodating cavity 10 on the lower surface of the base plate 11, and connect the housing through the connecting part 15 on the side plate 12. That is, multiple components in the battery pack can be installed or connected through one base shell 01, which helps to improve the integration of the control components in the battery pack, reduce the difficulty of installing and laying the control components in the battery pack, and improve the manufacturing efficiency of the battery pack.

[0038] Furthermore, refer to Figure 1 In some embodiments of this application, the connecting portion 15 is at least one of a protrusion, a groove, and a through hole.

[0039] Specifically, the structure of the connecting part 15 needs to be compatible with the connecting structure on the housing. For example, if the housing has a protrusion, the connecting part 15 on the side plate 12 can be a groove or a through hole, etc. The through hole extends through the side plate 12 along its thickness direction. The protrusion on the housing engages with the groove or through hole on the side plate 12, thereby achieving a fixed connection between the side plate 12 and the housing. If the housing has a groove or through hole, the connecting part 15 on the side plate 12 can be a protrusion, protruding from the surface of the side plate 12. The protrusion on the side plate engages with the groove or through hole on the housing, thereby achieving a fixed connection between the side plate 12 and the housing. Of course, the connecting part 15 can also be other types of structures to adapt to the connection requirements of more different housings. Figure 4The diagram shows that the connecting part 15 includes a protrusion 151 and a through hole 152, which enables the connection between the base shell 01 and the housing. The connection method is simple and reliable, and also facilitates the disassembly and separation of the base shell 01 and the housing.

[0040] In addition, in some embodiments, the number of connecting parts 15 is at least two, and the at least two connecting parts 15 are evenly distributed on the side plate 12 to improve the reliability and stability of the connection between the base shell 01 and the shell. Figure 1 The base shell 01 shown is a rectangular base shell, including four side plates 12. The connecting parts 15 are provided on the two longer side plates 12, so as to arrange more connecting parts 15 on the side plates 12, thereby further improving the connection reliability and stability between the base shell 01 and the shell.

[0041] Furthermore, in some embodiments of this application, the mounting part 14 includes a plurality of connecting posts, and the side of the connecting posts opposite to the base plate is provided with connecting holes for fasteners to be inserted to fix the first electrical component.

[0042] Specifically, the mounting section 14 employs multiple connecting posts, which protrude from the upper surface of the base plate 11. These connecting posts can be cylindrical, square, or any polygonal shape. A connecting hole is provided on the side of the connecting post facing away from the base plate 11, extending along the height of the connecting post. This hole can be a countersunk hole within the connecting post or a through hole penetrating the post. The connecting hole is used to insert fasteners such as bolts, screws, and rivets to secure the first electrical component. This design reduces the requirements on the base plate 11 when securing the first electrical component, facilitating its installation and improving its stability. Simultaneously, it effectively achieves electrical isolation between the first electrical component and the base plate 11, enhancing the safety of the first electrical component's operation. More specifically, the connecting hole can be a threaded hole for a more effective connection with fasteners.

[0043] Furthermore, refer to Figure 2 In some embodiments of this application, a hook 131 is provided on a portion of the vertical plate 13 of each accommodating cavity 10, and the hook 131 is provided at the end of the vertical plate 13 away from the lower surface. The hook 131 extends in the direction toward the accommodating cavity 10 to lock and fix the second electrical component.

[0044] Specifically, the hook 131 is located at the end of the vertical plate 13 away from the lower surface, that is, at the end of the vertical plate 13 away from the bottom plate 11. The hook 131 extends in the direction toward the receiving cavity 10, that is, the hook 131 extends in the direction toward the center of the receiving cavity 10. After the second electrical component is inserted into the receiving cavity 10, the side of the second electrical component away from the lower surface of the bottom plate 11 contacts the surface of the hook 131. The hook 131 plays a limiting role for the second electrical component, thereby fixing the second electrical component in the receiving cavity 10. This effectively improves the reliability and stability of the second electrical component being received in the receiving cavity 10.

[0045] For each accommodating cavity 10, the number of hooks 131 can be one, two or more. If the number of hooks 131 is two, the two hooks 131 can be provided on two oppositely arranged vertical plates 13. If the number of hooks 131 is four, each vertical plate 13 can have one hook 131. If the number of hooks 131 is multiple, the longer vertical plate 13 can have two or more hooks 131 to improve the reliability of the hooks 131 in fixing the second electrical component.

[0046] Furthermore, refer to Figure 3 In some embodiments of this application, the hook 131 is provided with a transition surface 132 on the side near the receiving cavity 10. The transition surface 132 is used to abut against the second electrical component during the process of the second electrical component being inserted into the receiving cavity 10. The transition surface 132 is a slope or an arc surface, which is inclined towards the receiving cavity 10, thereby making it easier to smoothly insert the second electrical component into the receiving cavity 10 and avoiding jamming during the insertion of the second electrical component.

[0047] In some embodiments, a cutout portion 133 may be provided on a portion of the vertical plate 13 of each accommodating cavity 10. The cutout portion 133 may be an opening provided along the extending direction of the vertical plate 13. The cutout portion 133 may be provided on the vertical plate 13 with a hook 131 at the end, or it may be provided on the vertical plate 13 without a hook 131. Figure 3 In the accommodating cavity 10 shown, a hollow portion 133 is provided on the vertical plate 13 with a hook 131 at the end. The hollow portion 133 helps to reduce the strength and stiffness of the vertical plate 13, thereby improving the deformation capacity of the vertical plate 13 and the hook 131, and making it easier to smoothly engage the second electrical component. Specifically, if there are more hollow portions 133, the strength and stiffness of the vertical plate 13 are relatively lower, and the deformation capacity is relatively stronger, which is more conducive to the smooth engagement of the second electrical component, but the constraint capacity on the second electrical component will also be correspondingly weakened. If there are fewer hollow portions 133, the strength and stiffness of the vertical plate 13 are relatively higher, and the deformation capacity is relatively weaker, which will correspondingly enhance the constraint capacity on the second electrical component, but the difficulty of engaging the second electrical component will be correspondingly increased.

[0048] Furthermore, refer to Figure 2 In some embodiments of this application, a plurality of accommodating cavities 10 are arranged side by side on the base plate 11; and / or, the accommodating cavities are rectangular structures.

[0049] Specifically, Figure 2 The diagram shows a plurality of accommodating cavities 10 arranged in two rows within the base shell 01, with one row having five accommodating cavities 10 and the other row having four accommodating cavities 10. The specific arrangement of the accommodating cavities 10 can be set according to the number of accommodating cavities 10 and the size of the base shell 01, and this embodiment of the application does not limit this. Alternatively, each accommodating cavity 10 can be designed as a rectangular structure to better adapt to the structural shape of the second electrical component and to facilitate the arrangement of multiple accommodating cavities 10 within the base shell 01. Of course, multiple rectangular accommodating cavities 10 can also be arranged side by side within the base shell 01.

[0050] Furthermore, refer to Figure 1 In some embodiments of this application, the base plate 11 is further provided with a first through hole 16 and a second through hole 17; the first through hole 16 and the second through hole 17 penetrate the base plate 11 in a direction perpendicular to the base plate, wherein the first through hole 16 is used for a portion of the second electrical component to pass through, so as to realize the electrical connection between the second electrical component and the first electrical component, and the second through hole 17 is used for fasteners to pass through to fix the second electrical component.

[0051] Specifically, the first through hole 16 penetrates the base plate 11 in a direction perpendicular to the base plate 11. A portion of the second electrical component enters the first through hole 16 from the side where the lower surface of the base plate 11 is located, and exits from the side where the upper surface of the base plate 11 is located. For example, the second electrical component is a busbar. The end of the busbar is bent and passes through the first through hole 16, so that the end of the busbar extends to the upper surface side of the base plate 11, and can then be electrically connected to the first electrical component on the upper surface side of the base plate 11.

[0052] Reference Figure 1 In some embodiments, a connector 18 is provided around the first through hole 16, through which the second electrical component passes and connects to the connector 18. The connector 18 is used to realize the electrical connection between the second electrical component and the first electrical component. Specifically, the connector 18 is provided with a fixing part for fixing the second electrical component. The first electrical component has a conductive busbar as a connection terminal. Both the second electrical component and the conductive busbar are fixed to the fixing part. The fixing part can take the form of bolt holes, limiting parts, snap-fit ​​parts, etc., which can play a mechanical fixing role for the second electrical component and the conductive busbar, so that the second electrical component and the conductive busbar maintain electrical contact, thereby enabling current transmission between the second electrical component and the conductive busbar, thus realizing the electrical connection between the second electrical component and the first electrical component.

[0053] The adapter 18 can be made of plastic or other non-metallic materials. The adapter 18 itself does not have electrical conductivity. It only serves to connect and fix the second electrical component and the conductive busbar through the fixing part. The surfaces of the second electrical component and the conductive busbar are in contact with each other to achieve electrical connection.

[0054] The second through hole 17 extends through the base plate 11 in a direction perpendicular to the base plate 11, and is used for fasteners that fix the second electrical component to pass through. The fasteners can be bolts, etc. There are several second through holes 17, and there are also several connecting parts. Each fastener passes through one of the second through holes 17 to fix the second electrical component. Since the second electrical component generates heat during the flow of current, the second through holes 17, in addition to allowing the connecting parts to pass through, also serve as heat dissipation holes to allow the heat generated by the second electrical component to dissipate, thereby playing a role in heat dissipation for the second electrical component, helping to reduce the temperature of the second electrical component, and ensuring the normal operation of the second electrical component.

[0055] Additionally, refer to Figure 1 In the embodiments of this application, the first through hole 16 and the second through hole 17 are set to different shapes. The shape of the first through hole 16 is adapted to the shape of the second electrical component and is a strip hole so that the end of the second electrical component can pass through smoothly and connect with the adapter 18. The shape of the second through hole 17 is adapted to the shape of the connector and is a circular hole so that the connector can pass through smoothly and be inserted into the third through hole on the second electrical component.

[0056] Additionally, refer to Figure 1 In the embodiments of this application, the first through hole 16 is provided on the edge of the base plate 11 along its length direction, and the second through holes 17 are evenly distributed along the length direction of the base plate 11 to avoid interference between the first through hole 16 and the second through hole 17. This also helps operators to accurately distinguish the first through hole 16 and the second through hole 17 during the assembly of the second electrical components and connectors. Since the first through hole 16 is only used for the end of the second electrical component to pass through, while the second through hole 17 needs to be used for multiple connectors to pass through to connect multiple second electrical components, the number of first through holes 16 is much less than the number of second through holes 17. The specific number depends on the number of second electrical components and connection requirements, and this embodiment of the application does not limit this.

[0057] Reference Figure 4This application also provides a battery control module, which includes a first electrical component 03, a second electrical component, a housing, and a base shell 01 of any of the foregoing embodiments. The first electrical component 03 is mounted on the mounting part 14, the second electrical component is housed in the receiving cavity 10, and the housing is fixedly connected to the connecting part 15. The first electrical component 03 can be a BDU component and the second electrical component can be a CCS component. The battery control module realizes the installation or connection of multiple components in the battery pack through a base shell 01, which effectively improves the integration of the battery control module, reduces the difficulty of installing and laying the control components in the battery pack, and improves the manufacturing efficiency of the battery pack.

[0058] Furthermore, refer to Figure 4 The housing includes a cover 02 and a bracket. The cover 02 is located on the upper surface of the base plate 11, and the bracket is located on the lower surface of the base plate 11. The connecting part 15 includes a protrusion 151 and a through hole 152. The cover 02 is fastened to the protrusion 151, and the bracket is snapped into the through hole 152.

[0059] Specifically, the cover 02 is located on the upper surface of the base plate 11. After the cover 02 is fastened to the protrusion 151, it can provide a certain degree of protection for the first electrical component 03 on the upper surface of the base plate 11. The bracket is located on the lower surface of the base plate 11. After the bracket is snapped into the through hole 152, it can provide a certain degree of protection for the second electrical component on the lower surface of the base plate 11. The connecting part 15 includes two structural forms: protrusion 151 and through hole 152, so as to distinguish between the cover 02 and the bracket when connecting them, reducing the probability of misinstallation. In addition, the bracket can adopt the insulating bracket in the CCS assembly to further improve the integration of the battery control module. This application embodiment also provides a battery pack, which includes the aforementioned battery control module. In addition, the battery pack also includes a housing, battery pack, etc. The battery pack and battery control module are both located in the housing. The battery control module is electrically connected to the battery pack and is used to monitor and adjust the working state of the battery pack to ensure the normal operation of the battery pack's charging and discharging functions. The high integration of the battery control module helps reduce the difficulty of installing and deploying the battery control module in the housing, thereby reducing the difficulty of battery pack manufacturing and improving battery pack manufacturing efficiency.

[0060] Finally, it should be noted that in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or terminal device that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or terminal device. Without further limitations, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or terminal device that includes said element.

[0061] The above description is merely a preferred embodiment of this application and is not intended to limit this application. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this application should be included within the protection scope of this application.

Claims

1. A base shell, characterized in that, Includes a base plate and side plates surrounding the periphery of the base plate; The upper surface of the base plate is provided with a mounting part, which is used to install the first electrical component; The lower surface of the base plate is provided with a plurality of vertical plates, which extend in a direction perpendicular to the base plate; some of the vertical plates are connected to each other to form a receiving cavity, and some of the vertical plates are connected to the side plate to form a receiving cavity, which is used to receive the second electrical component; The side plate is provided with a connecting part, which is used to connect to the housing.

2. The base shell according to claim 1, characterized in that, The connecting part is at least one of a protrusion, a groove, and a through hole.

3. The base shell according to claim 1, characterized in that, The mounting section includes multiple connecting posts, each connecting post having a connecting hole on the side opposite to the base plate. The connecting hole is used to insert fasteners to fix the first electrical component.

4. The base shell according to claim 1, characterized in that, A hook is provided on a portion of the vertical plate of the accommodating cavity, and the hook is located at the end of the vertical plate away from the lower surface. The hook extends in the direction toward the accommodating cavity to lock and fix the second electrical component.

5. The base shell according to claim 4, characterized in that, The hook has a transition surface on the side near the receiving cavity, and the transition surface is a slope or an arc surface.

6. The base shell according to claim 1, characterized in that, A plurality of the accommodating cavities are arranged side by side on the base plate; and / or, the accommodating cavities are rectangular in structure.

7. The base shell according to claim 1, characterized in that, The base plate is also provided with a first through hole and a second through hole; The first through hole and the second through hole penetrate the base plate in a direction perpendicular to the base plate. The first through hole is used for a portion of the second electrical component to pass through, so as to realize the electrical connection between the second electrical component and the first electrical component. The second through hole is used for a fastener to pass through to fix the second electrical component.

8. A battery control module, characterized in that, It includes a first electrical component, a second electrical component, a housing, and a base shell as described in any one of claims 1 to 7, wherein the first electrical component is mounted on the mounting portion, the second electrical component is housed within the receiving cavity, and the housing is fixedly connected to the connecting portion.

9. The battery control module according to claim 8, characterized in that, The housing includes a cover and a bracket, the cover being located on the upper surface of the base plate and the bracket being located on the lower surface of the base plate; The connecting part includes a protrusion and a through hole. The cover is fastened to the protrusion, and the bracket is snapped into the through hole.

10. A battery pack, characterized in that, Includes the battery control module as described in claim 8 or 9.

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