Housing assembly, battery device and electric appliance

Abstract

The shell assembly, the battery device and the electric equipment provided by the embodiments of the present application relate to the technical field of battery packs. The shell assembly comprises a crossbeam and a sealing assembly. The crossbeam is provided with a clearance slot, and the sealing assembly is arranged in the clearance slot. The sealing assembly is provided with a first space and a second space. The first space is used for accommodating a first electrical connector, and the second space is used for accommodating a second electrical connector. The present application can improve the sealing effect of the tray assembly and reduce the possibility of air leakage between multiple chambers.

Description

Technical Field

[0001] This application relates to the field of battery packs, and more particularly to housing assemblies, battery devices, and electrical appliances. Background Technology

[0002] With the development of technology, the performance of new energy vehicles is constantly improving. However, while pursuing longer driving ranges and faster charging speeds, the safety and reliability of battery devices are becoming increasingly prominent, becoming a key bottleneck restricting the healthy development of the industry.

[0003] In related technologies, the housing assembly typically employs a multi-cavity design, using crossbeams to divide the internal space of the battery pack into multiple independent chambers. This aims to confine potential thermal runaway risks to a single chamber, thereby improving the safety performance of the battery device. However, poor sealing of the housing assembly makes it prone to issues such as gas leakage between the multiple chambers. Summary of the Invention

[0004] This application provides a housing assembly, a battery device, and an electrical device to solve the technical problems of poor sealing effect of the housing assembly and easy air leakage between multiple chambers.

[0005] The housing assembly provided in the embodiments of this application,

[0006] Including crossbeams and sealing components;

[0007] The crossbeam is provided with a relief groove, and the sealing component is disposed in the relief groove;

[0008] The sealing assembly is provided with a first space and a second space, the first space being used to accommodate a first electrical connector and the second space being used to accommodate a second electrical connector.

[0009] By adopting the above technical solution, the housing assembly includes a crossbeam and a sealing assembly; the crossbeam is provided with a relief groove, and the sealing assembly is disposed in the relief groove; the sealing assembly is provided with a first space and a second space, the first space is used to accommodate a first electrical connector, and the second space is used to accommodate a second electrical connector, thereby sealing the gap between the first electrical connector, the second electrical connector and the relief groove through the sealing assembly, and separating the first electrical connector and the second electrical connector through the sealing assembly, reducing the possibility of mutual interference between the first electrical connector and the second electrical connector.

[0010] By integrating the sealing assembly into the clearance groove of the crossbeam, and making the sealing assembly simultaneously have a first space for accommodating the first electrical connector and an independent second space for accommodating the second electrical connector, the multiple gaps between the first electrical connector, the second electrical connector and the clearance groove can be sealed simultaneously through a single sealing assembly structure, thereby improving the sealing effect of the housing assembly and reducing the possibility of cross-contamination between multiple chambers.

[0011] Furthermore, the sealing assembly can also isolate the first electrical connector and the second electrical connector in the travel path, reducing the possibility of mutual interference between the first electrical connector and the second electrical connector due to contact, friction or heat conduction. This not only helps to improve the long-term stability of the electrical connection, but also provides more favorable layout conditions for the thermal management and safety protection of the battery device.

[0012] In some possible implementations, the sealing assembly includes a connected base and a mounting bracket;

[0013] The base is disposed in the relief groove, the mounting bracket is disposed above the base, the top surface of the mounting bracket forms the first space, and the mounting bracket and the base form the second space.

[0014] In some possible implementations, the sealing assembly is provided with a sealing portion, at least a portion of which is disposed between the sealing assembly and the clearance groove; and / or at least a portion of which is disposed in the first space; and / or at least a portion of which is disposed in the second space.

[0015] In some possible implementations, the mounting bracket is provided with a flow guide groove for accommodating a portion of the sealing portion;

[0016] The outlet side of the flow channel faces the sidewall of the relief groove, and the flow channel is at least used to allow sealant to flow from the outlet side to between the sidewall of the relief groove and the sealing assembly to form a seal.

[0017] In some possible implementations, the first space is in communication with the flow channel;

[0018] A portion of the sealing portion is located within the first space to seal the gap between the first space and the first electrical connector.

[0019] In some possible implementations, the extension direction of the first space is perpendicular to the extension direction of the crossbeam; the extension direction of the guide channel is parallel to the extension direction of the crossbeam.

[0020] And / or, the number of the flow guide channels is multiple, the multiple flow guide channels are arranged at intervals, and the outlet side of the flow guide channel faces the side wall of the relief channel.

[0021] In some possible implementations, the second space is in communication with the flow channel;

[0022] A portion of the sealing portion is located within the second space to seal the gap between the second space and the second electrical connector.

[0023] In some possible implementations, the mounting bracket is provided with a communication port, through which the flow channel communicates with the second space.

[0024] In some possible implementations, the mounting bracket is provided with a snap-fit ​​portion, the base is provided with a snap-fit ​​element, and the snap-fit ​​portion engages with the snap-fit ​​element.

[0025] In some possible implementations, the first space is provided with a baffle, and there are multiple first electrical connectors, with the baffle separating the multiple first electrical connectors;

[0026] And / or, the second space is provided with a baffle, and there are multiple second electrical connectors, the baffle separating the multiple second electrical connectors;

[0027] And / or, the housing assembly further includes at least one support structure disposed on at least one side of the crossbeam and opposite to the clearance groove, the support structure having a third space corresponding to and communicating with the first space, the third space extending along the extension direction of the first electrical connector; the support structure having a fourth space corresponding to and communicating with the second space, the fourth space extending along the extension direction of the second electrical connector.

[0028] In some possible implementations, the housing assembly further includes a protective bracket comprising a connecting section and an extension section, the connecting section being connected to the bracket structure, the second electrical connector extending beyond the bracket structure, the extension section being at least partially located at the top of the extended portion of the second electrical connector; and / or, the first electrical connector extending beyond the bracket structure, the extension section being at least partially located at the bottom of the extended portion of the first electrical connector.

[0029] In some possible implementations, the number of the second electrical connectors is at least two, and the at least two second electrical connectors include a first drive bar and a second drive bar. The housing assembly is provided with a first connecting piece and a second connecting piece, the first connecting piece being used for electrical connection with the first drive bar, and the second connecting piece being used for electrical connection with the second drive bar.

[0030] The protective bracket includes an injection protrusion with an injection groove, and the protective bracket is provided with an injection port communicating with the injection groove. The orthographic projection of the injection protrusion along the height direction of the housing assembly is at least partially located between the first connecting piece and the second connecting piece and / or between the first drive row and the second drive row, so that the sealant in the injection groove can flow to the space between the first connecting piece and the second connecting piece and / or between the first drive row and the second drive row.

[0031] And / or, the housing assembly further includes a frame, the crossbeam and the support structure are located within the frame, and the protective support is provided with a sealing element that abuts against the side of the protective support opposite to the support structure between the protective support and the frame.

[0032] In some possible implementations, the injection protrusion is configured as a Z-shaped protrusion, which has a multi-segment continuous bending structure; the Z-shaped protrusion cooperates with the protrusion on the bracket structure to isolate the first connecting piece from the second connecting piece and / or the first drive row from the second drive row.

[0033] This application provides a battery device including the housing assembly described in any of the above embodiments.

[0034] Since the battery device includes the housing assembly described in any of the above claims, the advantages of the battery device including the housing assembly described in any of the above claims are detailed in the relevant descriptions above and will not be repeated here.

[0035] This application provides an electrical device that includes the battery device described above, or includes the housing assembly described in any of the above embodiments.

[0036] Since the electrical equipment includes any of the housing components or battery devices described above, the advantages of the electrical equipment including any of the housing components or battery devices described above can be found in the relevant descriptions above, and will not be repeated here. Attached Figure Description

[0037] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0038] Figure 1 This is a schematic diagram of the structure of the housing assembly provided in the embodiments of this application;

[0039] Figure 2 This is a schematic diagram of the sealing assembly and crossbeam provided in the embodiments of this application;

[0040] Figure 3This is a schematic diagram of the sealing assembly provided in the embodiments of this application;

[0041] Figure 4 An exploded view of the sealing assembly provided in the embodiments of this application;

[0042] Figure 5 A schematic diagram of the support structure provided in the embodiments of this application. Figure 1 ;

[0043] Figure 6 A schematic diagram of the support structure provided in the embodiments of this application. Figure 2 ;

[0044] Figure 7 A schematic diagram of the support structure provided in the embodiments of this application. Figure 3 ;

[0045] Figure 8 A schematic diagram of the support structure provided in the embodiments of this application. Figure 4 ;

[0046] Figure 9 This is a structural schematic diagram provided for embodiments of the present application, intended to show the support structure of the first connecting piece and the second connecting piece.

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

[0048] 10. Frame; 20. Crossbeam; 30. Leaving groove;

[0049] 40. First electrical connector; 50. Second electrical connector; 60. First drive busbar; 70. Second drive busbar;

[0050] 100. Sealing components;

[0051] 110. Base; 111. Flanged edge; 112. Snap-fit ​​connector; 113. Second space; 120. Mounting bracket; 121. Flow guide channel; 122. First space; 123. Snap-fit ​​part; 130. Sealing part;

[0052] 200. Support structure; 201. Protrusion;

[0053] 210. Third space; 220. Protective bracket; 221. Glue injection groove; 222. Glue injection port; 223. Sealing component; 224. First connecting piece; 225. Second connecting piece; 226. Enclosure; 227. Connecting section; 228. Extension section; 229. Glue injection protrusion; 230. Wire groove; 231. Fixing component; 240. Filler glue; 250. Fourth space.

[0054] The accompanying drawings illustrate specific embodiments of this application, which will be described in more detail below. These drawings and descriptions are not intended to limit the scope of the concept in any way, but rather to illustrate the concept of this application to those skilled in the art through reference to particular embodiments. Detailed Implementation

[0055] As described in the background section, with the deepening of the global energy transition and the wave of vehicle electrification, the new energy vehicle industry has experienced explosive growth. However, while pursuing longer driving ranges and faster charging speeds, the safety and reliability issues of power battery systems have become increasingly prominent, becoming a key bottleneck restricting the healthy development of the industry. Among these, battery pack thermal runaway and the resulting thermal diffusion are one of the most severe safety challenges faced by the industry.

[0056] In related technologies, housing assemblies typically employ a multi-cavity design, utilizing multiple intermediate beams to divide the internal space of the battery pack into multiple independent chambers. This aims to confine potential thermal runaway risks within a single chamber, thereby improving the safety performance of the battery device. For example, the housing assembly may include a frame and crossbeams disposed inside the frame, which can divide the inner region of the frame into multiple independent chambers.

[0057] However, since the functional components between multiple chambers need to be electrically connected through structures such as the first electrical connector and the second electrical connector, the crossbeam usually needs to be provided with clearance grooves for the first electrical connector and the second electrical connector to pass through. This makes the sealing effect of the housing assembly poor, and air leakage between multiple chambers is likely to occur.

[0058] To address the aforementioned technical problems, embodiments of this application provide a housing assembly, a battery device, and an electrical device. The housing assembly includes a crossbeam and a sealing assembly. The crossbeam is provided with a clearance groove, and the sealing assembly is disposed within the clearance groove. The sealing assembly is provided with a first space and a second space. The first space is used to accommodate a first electrical connector, and the second space is used to accommodate a second electrical connector. This allows the sealing assembly to seal the gaps between the first electrical connector, the second electrical connector, and the clearance groove, and also allows the sealing assembly to separate the first electrical connector and the second electrical connector, reducing the possibility of mutual interference between the first electrical connector and the second electrical connector.

[0059] By integrating the sealing assembly into the clearance groove of the crossbeam, and making the sealing assembly simultaneously have a first space for accommodating the first electrical connector and an independent second space for accommodating the second electrical connector, the multiple gaps between the first electrical connector, the second electrical connector and the clearance groove can be sealed simultaneously through a single sealing assembly structure, thereby improving the sealing effect of the housing assembly and reducing the possibility of cross-contamination between multiple chambers.

[0060] Furthermore, the sealing assembly can also isolate the first electrical connector and the second electrical connector in the travel path, reducing the possibility of mutual interference between the first electrical connector and the second electrical connector due to contact, friction or heat conduction. This not only helps to improve the long-term stability of the electrical connection, but also provides more favorable layout conditions for the thermal management and safety protection of the battery device.

[0061] Exemplary embodiments will now be described in detail, examples of which are illustrated in the accompanying drawings. When the following description relates to the drawings, unless otherwise indicated, the same numbers in different drawings denote the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with this application. Rather, they are merely examples of apparatuses and methods consistent with some aspects of this application as detailed in the appended claims.

[0062] The technical solution of this application and how the technical solution of this application solves the above-mentioned technical problems are described in detail below with specific embodiments. These specific embodiments can be combined with each other, and the same or similar concepts or processes may not be described again in some embodiments. The embodiments of this application will now be described with reference to the accompanying drawings.

[0063] Reference Figures 1-4 The housing assembly provided in this application includes a crossbeam 20 and a sealing assembly 100. The crossbeam 20 may be provided with a relief groove 30, and the sealing assembly 100 is disposed in the relief groove 30, so that the sealing assembly 100 can be installed on the crossbeam 20 and the height of the sealing assembly 100 extending out of the crossbeam 20 can be reduced.

[0064] The sealing assembly 100 is provided with a first space 113 and a second space 122. The first space 113 is used to accommodate the first electrical connector 40, and the second space 122 is used to accommodate the second electrical connector 50. Thus, the sealing assembly 100 can seal the gap between the first electrical connector 40, the second electrical connector 50 and the side wall of the relief groove 30, and can separate the first electrical connector 40 and the second electrical connector 50, reducing the possibility of mutual interference between the first electrical connector 40 and the second electrical connector 50.

[0065] It is readily understood that the sealing assembly 100 can be disposed on the crossbeam 20, and the sealing assembly 100 can be provided with a sealing portion 130. At least a portion of the sealing portion 130 in the sealing assembly 100 can fill the space between the relief groove 30 and the outer surface of the sealing assembly 100.

[0066] And / or, at least a portion of the sealing portion 130 may be disposed in the first space 122. And / or, at least a portion of the sealing portion 130 may be disposed in the second space 113.

[0067] By positioning at least a portion of the sealing portion 130 within the first space 122 and / or the second space 113, a structural integration of sealing and electrical connector fixing functions is achieved. This not only eliminates the need for additional wire harness clips or terminal fasteners, simplifying the assembly process and reducing component costs, but also provides excellent vibration resistance, anti-loosening, moisture protection, and insulation protection through comprehensive coverage of the electrical connectors with sealing material. Simultaneously, it blocks potential leakage paths that may form when the electrical connectors pass through the partition area. The main structure of the sealing assembly 100 can be configured as a rigid structure to reuse the support for structures such as the first electrical connector 40 and the second electrical connector 50, thus enriching the functionality of the sealing assembly 100 and making the installation of the first electrical connector 40 and aluminum busbars more stable. The sealing portion 130 can be configured as a sealant or similar structure to fully fill the gaps between the frame 10 and the crossbeam 20.

[0068] It should be noted that, compared with the sealing assembly 100 made of elastic sealing material, the implementation of the rigid structure combined with sealant not only allows the sealing part 130 to better fill the gap between the relief groove 30 and the sealing assembly 100, but also enables the rigid structure to achieve functions such as support and fixation, thereby enriching the function of the sealing assembly 100 and reducing the number of structural components in the housing assembly used to fix the first electrical connector 40 and the second electrical connector 50.

[0069] Reference Figures 1-4 In some possible implementations, the housing assembly may include a frame 10. The frame 10 may include a front beam and a rear beam arranged in a front-rear direction, as well as side beams located on both sides of the front beam and the rear beam. The crossbeam 20 and the support structure 200 may be located within the frame.

[0070] The protective bracket 220 may be provided with a sealing element 223, which abuts against the side of the protective bracket 220 away from the bracket structure 200 and the frame 10.

[0071] For example, the crossbeam 20 can be disposed inside the frame 10, and multiple crossbeams 20 and the frame 10 form multiple receiving cavities, which are at least used to accommodate functional components such as battery cell modules.

[0072] The receiving cavity can be a series of independent closed or semi-closed space units defined by the inner wall of the frame 10 and the side of the crossbeam 20. The receiving cavity provides a specific mounting and secondary space for the cell module, allowing it to be arranged and fixed in an orderly manner within the housing assembly. In addition, the receiving cavity can also be used to house battery management modules, thermal management components, or other related functional components.

[0073] The two ends of the crossbeam 20 can be connected to two side beams. The crossbeam 20 can divide the inner area of ​​the frame 10 into two parts, front and back, so as to accommodate functional components through two receiving cavities located at the front and back of the crossbeam 20.

[0074] The housing assembly may include a base plate, which can be used to close the bottom surface of the frame 10 and to connect the crossbeam 20 disposed inside the frame 10, thereby providing a certain degree of support and protection.

[0075] In some possible implementations, the sealing assembly 100 may include a base 110 and a mounting bracket 120 connected together.

[0076] For example, the base 110 may be disposed in the relief groove 30. The mounting bracket 120 may be disposed above the base 110 so that the sealing assembly 100 can be mounted in the relief groove 30 of the crossbeam 20 via the base, thereby improving the stability of the installation of the sealing assembly 100.

[0077] By setting the base 110 in the relief groove 30, the sealing assembly 100 can be fixed and supported in the left and right directions, which enhances the installation rigidity and position retention of the sealing assembly 100, thereby ensuring that the sealing part 130 can be stably filled in the gap between the relief groove 30 and the sealing assembly 100 for a long time, achieving a more durable and reliable inter-chamber sealing effect.

[0078] For example, the base 110 can be mounted on the top surface of the crossbeam 20. For instance, the base 110 can be in the shape of a hoop, its inner contour matching the shape of the crossbeam 20 and locked onto the crossbeam 20 by an interference fit or fasteners. Alternatively, the base 110 can also be a plate-like structure with a slot, snapped onto the top surface of the crossbeam 20 to make the connection between the base 110 and the crossbeam 20 more stable.

[0079] Flanges 111 may be provided on both sides of the base 110. When the base 110 is installed on the top surface of the crossbeam 20, the flanges 111 on both sides of the base 110 can respectively abut against the sides of the crossbeam 20, so that the base 110 can play a certain limiting and fixing role through the flanges 111. In addition, the flanges 111 can be used to seal the gap between the base 110 and the crossbeam 20, further improving the sealing performance of the housing assembly.

[0080] For example, the mounting bracket 120 may be provided with a snap-fit ​​portion 123, which is located on the outer side of the mounting bracket 120. The base 110 is provided with a snap-fit ​​member 112, which can extend upward. The snap-fit ​​member 112 can abut against the outer surface of the mounting bracket 120, and the snap-fit ​​portion 123 engages with the snap-fit ​​member 112 to snap and fix the mounting bracket 120 to the base 110.

[0081] The snap-fit ​​portion 123 can be a specific protrusion, groove, hook, or hole structure provided on the outer surface of the mounting bracket 120, which can provide a lockable connection interface between the mounting bracket 120 and the base 110, realizing a quick and stable connection between the mounting bracket 120 and the base 110. Furthermore, by placing the snap-fit ​​portion 123 on the outside of the mounting bracket 120, it is easy to align and engage with the corresponding structure on the base 110 during the assembly process.

[0082] The snap-fit ​​portion 123 can be configured as an outwardly extending protrusion. The snap-fit ​​portion 123 can be disposed on both sides of the mounting bracket 120 along the extension direction of the crossbeam 20, so that the snap-fit ​​portion 123 can be correspondingly disposed with the snap-fit ​​member 112 on the base 110. The snap-fit ​​member 112 can be configured as a strip structure, and the snap-fit ​​member 112 can be provided with a snap-fit ​​interface, so that the snap-fit ​​portion 123 can be inserted into the snap-fit ​​interface, thereby realizing the connection and fixation between the mounting bracket 120 and the base 110.

[0083] Reference Figures 1-4 In some possible implementations, the sealing portion 130 may be formed by curing a liquid sealant so that at least a portion of the sealing portion 130 can fill the space between the sidewall of the relief groove 30 of the crossbeam 20 and the sealing assembly 100.

[0084] For example, liquid sealant can flow downwards from the base 110 and mounting bracket 120 to the space between the sidewall of the relief groove 30 and the sealing assembly 100, so that the liquid sealant can fully fill the space between the sidewall of the relief groove 30 and the sealing assembly 100. Then, the sealant can be cured so that a portion of the sealing portion 130 is disposed on the base 110 and mounting bracket 120, and a portion of the sealing portion 130 is disposed between the sidewall of the relief groove 30 and the sealing assembly 100.

[0085] It is easy to understand that by setting the sealing part 130 as a sealant, the sealant has a certain fluidity, allowing the sealant to flow between the base 110 and the crossbeam 20, which can also improve the connection strength and sealing effect between the base 110 and the crossbeam 20, making the connection between the base 110 and the crossbeam 20 more stable.

[0086] For example, the mounting bracket 120 may be provided with a flow channel 121, which can be used to accommodate a portion of the sealing portion 130. The outlet side of the flow channel 121 faces the sidewall of the relief groove 30, and the flow channel 121 is at least used to allow sealant to flow from the outlet side to between the sidewall of the relief groove 30 and the sealing assembly 100 to form the sealing portion 130.

[0087] It is easy to understand that the guide groove 121 can be a channel, groove or channel structure provided therein, which can provide a flow path and temporary accommodating space for the sealant, and guide and control the sealant to flow and fill to a predetermined position (i.e., between the side wall of the relief groove 30 and the sealing assembly 100).

[0088] For example, the flow channel 121 can be used to accommodate a portion of the seal 130. During the formation of the seal 130, the flow channel 121 can accommodate sealant in an uncured or flowable state, which will eventually form part of the seal 130. The outlet side of the flow channel 121 faces the sidewall of the relief groove 30.

[0089] The outlet side can be directly aligned with or face the relief groove 30 located on the crossbeam 20, so that the sealant flowing out of the guide groove 121 can be guided to the area where the relief groove 21 is located.

[0090] The flow channel 121 can be configured as a groove. The extension direction of the flow channel 121 can be parallel to the extension direction of the crossbeam 20, so that the flow channel 121 can extend from the middle of the mounting bracket 120 to the edge of the mounting bracket 120.

[0091] The number of flow guide channels 121 can be set to multiple, and the multiple flow guide channels 121 can be arranged at intervals. The multiple flow guide channels 121 can be arranged corresponding to both sides of the crossbeam 20, and the multiple flow guide channels 121 can be arranged along the extension direction of the crossbeam 20. The outlet side of the flow guide channel 121 can be located on the outside of the crossbeam 20, so that the sealant in the flow guide channel 121 can flow through the outlet side to the space between the side wall of the relief groove 30 and the sealing assembly 100.

[0092] In some possible implementations, the first space 122 may be connected to the guide channel 121, and a portion of the sealing part 130 may be located within the first space 122 to seal the gap between the first space 122 and the first electrical connector 40, thereby making the connection between the first electrical connector 40 and the mounting bracket 120 more stable.

[0093] For example, the first space 122 may be a groove, channel or trench structure provided in the mounting bracket 120, which can at least provide a laying path and a second space for the first electrical connector 40, so as to realize the orderly arrangement and fixation of the first electrical connector 40 on the housing assembly structure.

[0094] The first space 122 is suitable for accommodating first electrical connectors 40 such as battery module sampling lines, communication cables or power wires, so that the first electrical connectors 40 can be neatly arranged and hidden in the structural components of the housing assembly, which is beneficial to improving the internal space utilization and safety of the housing assembly.

[0095] By connecting the first space 122 on the mounting bracket 120 to the guide channel 121, and using the sealing portion 130 flowing into the first space 122 to fix the first electrical connector 40, this structure not only achieves the sealing function of the cross beam node, but also cleverly utilizes the sealing material to provide an integrated fixing solution for the first electrical connector 40. This eliminates the need for additional clips or cable ties for the first electrical connector 40, simplifies the assembly process, and ensures the stability and reliability of the first electrical connector 40 under the enclosure of the sealing portion 130, thus contributing to improving the overall integrity and neatness of the internal layout of the housing assembly.

[0096] It is easy to understand that during the formation of the sealing part 130, the sealant located in the guide groove 121 can flow into the first space 122, so that the first space 122 can accommodate the sealant in an uncured or flowable state, and the sealant fills the space between the inner wall of the first space 122 and the first electrical connector 40. This part of the sealant will eventually form part of the sealing part 130, thereby fixing the first electrical connector 40 in the first space 122.

[0097] For example, the extension direction of the first space 122 can be perpendicular to the extension direction of the crossbeam 20. The first space 122 can be used to accommodate the first electrical connector 40 arranged in the front-rear direction, so that the first electrical connector 40 can connect to functional components located at different positions in front of and behind the housing assembly through the first space 122, so that the first electrical connector 40 can be fixed by the first space 122, thereby enriching the function of the sealing assembly 100.

[0098] The number of first spaces 122 can be set to multiple, and the multiple first spaces 122 can be set at intervals. The multiple first spaces 122 can be arranged along the extension direction of the crossbeam 20, so that the multiple first spaces 122 can be arranged crosswise with the multiple guide channels 121 to form a grid-like groove structure, so that the sealant in the multiple guide channels 121 can be more evenly distributed in the multiple first spaces 122.

[0099] Reference Figures 2-4 In some possible implementations, the base 110 may be provided with a second space 113, which can be used to accommodate the second electrical connector 50. The second space 113 may be configured as a cavity, hole or recessed structure formed in the body of the base 110, which can provide accommodation for the second electrical connector 50 in the first space.

[0100] The second space 113 can be used to accommodate functional second electrical connectors 50 such as electrical adapter terminals, signal connectors or structural adapter blocks, so that these second electrical connectors 50 can be installed and fixed in a specific position on the base 110 to facilitate electrical connection or structural transition.

[0101] For example, the second space 113 may be in communication with the guide channel 121, and a portion of the sealing part 130 may be located within the second space 113 to seal the gap between the second space 113 and the second electrical connector 50.

[0102] It is easy to understand that during the formation of the sealing part 130, the sealant located in the guide groove 121 can flow into the second space 113, so that the second space 113 can accommodate the sealant in an uncured or flowable state, and the sealant fills the space between the inner wall of the second space 113 and the second electrical connector 50. This part of the sealant will eventually form part of the sealing part 130, thereby fixing the second electrical connector 50 in the second space 113.

[0103] By connecting the second space 113 on the base 110 with the guide channel 121, and using the portion of the sealing part 130 flowing into the second space 113 to fix the second electrical connector 50, the application of the sealing part 130 is further expanded on the basis of achieving the main function of sealing the sealing assembly 100 and the node sealing of the crossbeam 20, so that the sealing part 130 can simultaneously play the role of fixing the critical electrical or structural second electrical connector 50.

[0104] Furthermore, by integrating the sealing assembly 100 and the sealing part 130, the number of individual fixing parts is reduced, the assembly steps are simplified, and the inherent elasticity and adhesion of the sealing part 130 provide a vibration damping and stable fixing effect for the second electrical connector 50, which helps to improve the reliability of the internal electrical connection and structural transition of the housing assembly.

[0105] For example, the mounting bracket 120 may be provided with a communication port, and the flow channel 121 may be connected to the second space 113 through the communication port, so that the flow channel 121 located in the mounting bracket 120 can be connected to the base 110 located below through the communication port, and the sealant located in the flow channel 121 can flow into the second space 113 through the communication port.

[0106] By providing a communication port on the mounting bracket 120, the flow channel 121 located on the mounting bracket 120 is connected to the second space 113 on the base 110. This structure creates a continuous material flow channel running through the upper and lower parts of the sealing assembly 100. This allows the injected sealant to fill multiple target spaces from the flow channel 121 of the mounting bracket 120 to the second space 113 of the base 110, thereby simultaneously forming the sealing part 130 for chamber sealing and the covering structure for fixing the second electrical connector 50, improving the efficiency and integrity of the sealant filling process.

[0107] It is easy to understand that when the mounting bracket 120 is connected to the base 110, the mounting bracket 120 will close at least part of the slot of the second space 113, so that the second space 113 can form a circumferentially closed space with the bottom surface of the mounting bracket 120, thereby fixing the second electrical connector 50 located inside the second space 113 and reducing the possibility of the second electrical connector 50 detaching from the second space 113.

[0108] By adopting the above technical solution, in the sealing assembly 100, by providing a guide groove 121 and a first space 122 in the mounting bracket 120, and providing a second space 113 in the base 110, and by providing the guide groove 121 to communicate with the first space 122, and by providing the guide groove 121 to communicate with the second space 113 through the communication port, the sealing part 130 can be filled in the guide groove 121, the first space 122 and the second space 113.

[0109] During the formation of the sealing portion 130, the sealant located in the guide groove 121 can flow through the outlet side to the space between the side wall of the relief groove 30 and the sealing assembly 100 to form the first portion of the sealing portion 130. The sealant located in the guide groove 121 can flow into the first space 122, thereby fixing the first electrical connector 40 located in the first space 122 and forming the second portion of the sealing portion 130. The sealant located in the guide groove 121 can flow through the communication port into the second space 113, thereby fixing the second electrical connector 50 located in the second space 113 and forming the third portion of the sealing portion 130.

[0110] After curing, the sealant located in the guide groove 121 can form a fourth sealing part 130. The fourth sealing part 130 can be used to connect the first sealing part 130, the second sealing part 130 and the third sealing part 130, so that the sealing part 130 can form a complete integral structure, making the overall structure of the sealing assembly 100 more stable. In addition, it can fill more sealant between the side wall of the relief groove 30 and the sealing assembly 100, improve the sealing effect between multiple receiving cavities of the housing assembly, and reduce the possibility of air leakage in the housing assembly.

[0111] Reference Figures 2-7 In some possible implementations, the first space 122 may be provided with a baffle, and there may be multiple first electrical connectors 40, with the baffle separating the multiple first electrical connectors 40.

[0112] And / or, the second space 113 may be provided with a baffle, and there may be multiple second electrical connectors 50, with the baffle separating the multiple second electrical connectors 50.

[0113] A baffle can refer to a sheet-like, wall-like, or rib-like partition structure that extends upward, downward, or laterally from one or more inner walls within the first space 122 or the second space 113.

[0114] When there are multiple first electrical connectors 40 or second electrical connectors 50, for example, when multiple sampling harnesses or multiple electrical terminals need to be arranged, the baffle is used to physically separate these parallel or adjacent electrical connectors to prevent multiple electrical connectors from contacting or rubbing against each other due to vibration, assembly or external pressure, and to avoid possible insulation wear, signal interference or accidental short circuit, thereby ensuring the independence and safety of each electrical circuit.

[0115] And / or, the housing assembly may also include at least one support structure 200. The support structure 200 may be disposed on at least one side of the crossbeam 20 and opposite to the relief groove 30, and the support structure 200 may be used at least to realize the installation and limiting of the first electrical connection 40.

[0116] By being positioned on the side of the crossbeam 20 and opposite to the clearance groove 30 area, the support structure 200 can support the first electrical connector 40 extending from the first space 122 within the sealing assembly 100, providing it with continuous support and guidance for continuing to extend forward or backward after leaving the sealing assembly 100, ensuring that the wiring harness or connector is neatly arranged and reliably fixed, preventing it from being suspended, sagging, or interfering with surrounding components.

[0117] The support structure 200 may be provided with a third space 210 corresponding to and communicating with the first space 122, and the third space 210 may extend along the extension direction of the first electrical connector 40. The support structure 200 may be provided with a fourth space 250 corresponding to and communicating with the second space 113, and the fourth space 250 may extend along the extension direction of the second electrical connector 50.

[0118] The third space 210 is connected to the first space 122 in the sealing assembly 100. When the bracket structure 200 is installed in conjunction with the sealing assembly 100, the first space 122 and the third space 210 are physically connected to form a continuous and unobstructed channel. The extension direction of this channel is consistent with the direction in which the first electrical connector 40 needs to be laid.

[0119] Similarly, the fourth space 250 is connected to the second space 113 in the sealing assembly 100, forming a continuous channel for the extension of the second electrical connector 50. This provides the electrical connector with a protected, pre-planned wiring route from inside the sealing assembly 100 to the support structure 200, and even further to the battery pack. This ensures that the electrical connector is effectively constrained and fixed throughout the path, avoiding stress concentration or wear risks caused by path bends or support interruptions. It also makes the entire wiring system neater and more orderly, facilitating installation and maintenance, and allowing for unified sealing or protection using this continuous channel. By setting partitions within the space accommodating the electrical connectors and providing a support structure 200 with connecting spaces on the side of the beam 20, comprehensive and refined control over multiple electrical connectors from the centralized accommodating area to the extended path is achieved. The baffle ensures the orderly isolation and independent fixation of multiple electrical connectors within a limited space, reducing the risk of mutual interference. Meanwhile, the support structure 200 and its connecting spaces create a protected, continuous wiring route extending outward from the sealing assembly 100, ensuring the stability and safety of the electrical connectors over a longer path. This design collectively enhances the reliability, neatness, and maintainability of the internal electrical wiring system of the battery pack.

[0120] Reference Figure 8 and Figure 9 For example, multiple fasteners 231 may be provided in the wire groove 230, and the fasteners 231 can be used to fix the first electrical connector 40 located in the guide groove.

[0121] The fastener 231 can be an auxiliary part disposed inside the wire groove 230 for clamping, binding or limiting the first electrical connector 40. For example, the fastener 231 can be configured as an elastic buckle, a clip, a strap seat or an adhesive block, etc.

[0122] The fastener 231 can apply a physical constraint force to the first electrical connector 40 housed in the wire groove 230, thereby firmly holding the first electrical connector 40 in a preset position or path in the wire groove 230, reducing the possibility that the first electrical connector 40 may shift or loosen in the groove due to vehicle vibration, assembly stress or thermal expansion and contraction.

[0123] For example, the fastener 231 can be integrally formed with the wall of the wire groove 230, for example, a pair of elastic teeth with barbs can be molded on the inner side of the groove wall, and the first electrical connector 40 is clamped and fixed by the teeth after being pressed in.

[0124] Alternatively, the fastener 231 can be an independent buckle, which can fix the first electrical connector 40 in the preset buckle hole or slot of the wire groove 230 by the buckle's own buckle foot or barb structure, and then tighten the first electrical connector 40 by the ring or clip structure on the buckle.

[0125] Alternatively, the fastener 231 can be a binding or adhesive type. For example, the fastener 231 can be a fixing post provided in the wire groove 230 for the cable tie to pass through, or a rough surface or Velcro area provided for bonding the first electrical connector 40 cable tie.

[0126] Reference Figures 5-8 In some possible implementations, the housing assembly may include a protective bracket 220. The protective bracket 220 may be connected to the crossbeam 20 and abut against the frame 10. The protective bracket 220 may include a connecting section 227 and an extension section 228, the connecting section 227 being connected to the bracket structure 200, a second electrical connector 50 extending beyond the bracket structure 200, and the extension section 228 at least partially located at the top of the extended portion of the second electrical connector 50. And / or, a first electrical connector 40 may extend beyond the bracket structure 200, and the extension section 228 at least partially located at the bottom of the extended portion of the first electrical connector 40.

[0127] The connecting section 227 is the part that realizes the mechanical connection and fixation between the protective bracket 220 and the main body of the bracket structure 200, ensuring the stable installation of the protective bracket 220 in the battery pack; the extension section 228 is the structural part that extends from the connecting section 227 and mainly undertakes the protective function.

[0128] When the end or portion of the second electrical connector 50 extends beyond the boundary of the support structure 200 that provides primary support, the extension 228 is configured to be at least partially located on top of the extended portion, forming an upper covering protection; when the end or portion of the first electrical connector 40 extends beyond the support structure 200, the extension 228 is configured to be at least partially located at the bottom of the extended portion, forming a lower supporting or isolating protection. These two configurations can be flexibly selected and combined according to the type, orientation, and potential impact direction of the electrical connectors to ensure the effectiveness of the protection. For example, the protective bracket 220 can be fixed to the side, top, or end of the beam 20 by bolting, welding, snap-fitting, or bonding, thereby obtaining support from the beam 20.

[0129] The support structure 200 may be provided with a surrounding plate 226, which is located below the support structure 200, so as to provide a certain support and protection for the support structure 200.

[0130] The inner side of the enclosure 226 may be provided with a support structure, which can be used to support the second electrical connector 50, so that the second electrical connector 50 can extend to the area where the front beam and the rear beam are located through the support structure.

[0131] The protective bracket 220 can abut against the frame 10, and one surface or end of the protective bracket 220 is in close contact or abuts against the inner wall surface, end face or specific structure of the frame 10.

[0132] By incorporating a protective bracket 220 containing a connecting section 227 and an extension section 228, and strategically positioning the extension section 228 at the top or bottom of the electrical connector extending beyond the bracket structure 200, directional mechanical protection is provided for the critical exposed portions of the electrical connector. This design not only reduces the risk of damage or loosening of the electrical connector due to accidental impacts, assembly interference, or long-term vibration, but also reduces the likelihood of operators accidentally touching live parts through isolation measures, contributing to the long-term stability of the electrical connection and the high-voltage safety of the entire battery system.

[0133] Reference Figures 4-8 In some possible implementations, the housing assembly may be provided with a first connecting piece 224 and a second connecting piece 225, which are disposed on both sides of the protective bracket 220. The number of second electrical connectors 50 is at least two, and the at least two second electrical connectors 50 include a first drive row 60 and a second drive row 70.

[0134] The first connecting piece 224 is used to electrically connect with the first drive row 60, and the second connecting piece 225 is used to electrically connect with the second drive row 70, so that the first drive row 60 and the second drive row 70 can be separated by the protective bracket 220, reducing the possibility of the first drive row 60 and the second drive row 70 coming into contact with each other.

[0135] The first connecting piece 224 and the second connecting piece 225 can be connected to different potentials (e.g., the total positive and negative of the battery pack, or the positive and negative terminals of the front drive and rear drive circuits). Placing the first connecting piece 224 and the second connecting piece 225 on both sides of the protective bracket 220 can maximize the electrical clearance between them and prevent direct short circuits caused by foreign objects, condensation or accidental contact.

[0136] By placing the first connecting piece 224 and the second connecting piece 225 on both sides of the protective bracket 220, and clearly defining that the second electrical connector 50 includes at least the first drive bus 60 and the second drive bus 70, a clear and safe isolation framework is provided for the high-voltage electrical layout of the battery pack. This arrangement utilizes the protective bracket 220 as the central isolator, increasing the spatial distance between connecting pieces at different potentials, while clearly defining the two high-voltage circuit objects that require key insulation treatment. This provides a structural basis and spatial positioning for implementing targeted enhanced isolation measures at the gaps, thereby improving the reliability and safety of the high-voltage electrical connections of the battery pack.

[0137] And / or, the protective bracket 220 may include an injection protrusion 229 having an injection groove 221, the protective bracket having an injection port 222 communicating with the injection groove 221, the injection protrusion 229 having its orthographic projection along the height direction of the housing assembly at least partially located between the first connecting piece 224 and the second connecting piece 225 and / or between the first drive row 60 and the second drive row 70, so that the sealant in the injection groove 221 can flow to the space between the first connecting piece 224 and the second connecting piece 225 and / or between the first drive row 60 and the second drive row 70.

[0138] Viewed vertically downwards from above the battery pack, the projected area of ​​the sealant protrusion 229 on the horizontal plane overlaps with the gap between the first connecting piece 224 and the second connecting piece 225, or with the gap between the first drive row 60 and the second drive row 70, or with both. When the sealant is injected into the sealant injection groove 221 from the injection port 222, it can flow naturally under the guidance of gravity, capillary action, or pressure, through the sealant injection groove 221 and any existing gaps, to fill the gap between the first connecting piece 224 and the second connecting piece 225, and / or the gap between the first drive row 60 and the second drive row 70.

[0139] By setting an adhesive injection groove 221 with a through-hole 222 on the protective bracket 220, the filler adhesive 240 can be effectively guided and applied to the specific gaps that need to be sealed, ensuring the sufficiency and accuracy of the filler adhesive 240 filling, thereby reliably sealing the gap between the crossbeam 20 and the frame 10, and further improving the overall sealing performance of the housing assembly at the boundaries of each chamber.

[0140] And / or, the housing assembly may also include a frame 10, a beam 20 and a support structure 200 located within the frame 10, and a protective bracket 220 may be provided with a sealing element 223, which abuts against the side of the protective bracket 220 away from the support structure 200 and between the protective bracket 220 and the frame 10 to improve the sealing effect between the protective bracket 220 and the frame 10.

[0141] The sealing element 223 can be made of foam, which gives it a certain degree of elasticity. This allows the sealing element 223 to fully fill the space between the protective bracket 220 and the frame 10 through its own deformation. This provides a more reliable guarantee against gas leakage between multiple accommodating cavities through the connection node between the beam 20 and the frame 10, thus helping to ensure the effectiveness of the multi-chamber isolation design of the housing assembly. In some possible embodiments, the injection protrusion 229 is set as a Z-shaped protrusion with a multi-segment continuous bending structure. The Z-shaped protrusion cooperates with the protrusion 201 on the bracket structure 200 to isolate the first connecting piece 224 and the second connecting piece 225 and / or the first drive row 60 and the second drive row 70.

[0142] This zigzag protrusion, formed by multiple continuous bends (e.g., including at least one downward-facing depression or one upward-facing convexity connected to another), can effectively increase its structural length or path length in a specific direction within a limited planar projected area through three-dimensional tortuous extension. When applied to the injection protrusion 229, this zigzag protrusion can extend the flow channel of the internal injection groove or provide a longer creepage barrier path for the cured sealant.

[0143] The Z-shaped protrusions and the protrusions 201 on the support structure 200 can be complementary in shape, or they can be face-to-face to form a combined cavity, or they can be staggered and overlapped along the height direction. In this way, the gap area between the first connecting piece and the second connecting piece, and / or the gap area between the first drive row and the second drive row can be filled or blocked more fully and accurately, thereby achieving more reliable physical isolation and electrical insulation for these two high-voltage potential difference areas.

[0144] By specifically designing the injection protrusion 229 as a multi-segment continuously bent "Z"-shaped structure, and having it cooperate with the specially designed protrusion 201 on the support structure, a synergistic composite isolation system is created. The "Z"-shaped structure itself increases the effective path length of the insulating material, and its cooperation with the protrusion 201 on the support structure achieves tighter and more thorough filling and sealing of critical high-voltage gaps. Thus, a cured adhesive insulating wall with a larger creepage distance and stronger blocking capability is established between the first connecting piece and the second connecting piece and / or between the first drive row and the second drive row, improving the safety margin and long-term reliability of the battery pack in terms of high-voltage electrical isolation.

[0145] In summary, in the sealing assembly 100, by providing a guide groove 121 and a first space 122 in the mounting bracket 120, and providing a second space 113 in the base 110, and by providing a guide groove 121 that can communicate with the first space 122 and a guide groove 121 that can communicate with the second space 113 through a communication port, the sealing part 130 can be filled in the guide groove 121, the first space 122 and the second space 113.

[0146] During the formation of the sealing portion 130, the sealant located in the guide groove 121 can flow through the outlet side to the space between the sealing assembly 10 and the crossbeam 20 to form the first portion of the sealing portion 130. The sealant located in the guide groove 121 can flow into the first space 122, thereby fixing the first electrical connector 40 located in the first space 122 and forming the second portion of the sealing portion 130. The sealant located in the guide groove 121 can flow through the connecting port into the second space 113, thereby fixing the second electrical connector 50 located in the second space 113 and forming the third portion of the sealing portion 130.

[0147] After curing, the sealant located in the guide groove 121 can form a fourth sealing part 130. The fourth sealing part 130 can be used to connect the first sealing part 130, the second sealing part 130 and the third sealing part 130, so that the sealing part 130 can form a complete integral structure, making the overall structure of the sealing assembly 100 more stable. In addition, it can fill more sealant between the sealing assembly 100 and the crossbeam 20, improve the sealing effect between multiple accommodating cavities of the housing assembly, and reduce the possibility of air leakage in the housing assembly.

[0148] The sealing portion 130 can fill and block the gap between the sidewall of the relief groove 30 and the outer surface of the sealing assembly 100. The housing assembly can block potential gas flow paths formed by the beam intersection, improve the sealing isolation between individual chambers, thereby helping to better limit the risk of thermal runaway to a single chamber and enhance the overall safety of the battery pack.

[0149] This application provides a battery device including any of the above-described housing components.

[0150] Since the battery device includes any of the aforementioned housing components, the advantages of including any of the aforementioned housing components are detailed in the relevant description above and will not be repeated here.

[0151] This application provides an electrical device that includes the battery device described above, or a housing assembly that includes any of the above-described components.

[0152] Since the electrical equipment includes any of the above-mentioned housing components or battery devices, the advantages of the electrical equipment including any of the above-mentioned housing components or battery devices are detailed in the relevant description above and will not be repeated here.

[0153] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0154] In the description of this invention, it should be understood that the terms “comprising” and “having” as used herein, and any variations thereof, are intended to cover non-exclusive inclusion, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units that are explicitly listed, but may include other steps or units that are not explicitly listed or that are inherent to such process, method, product, or device.

[0155] Unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can be a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features.

[0156] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, and not to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features; and these modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A housing assembly, characterized by, Includes a crossbeam (20) and a sealing assembly (100); The crossbeam (20) is provided with a relief groove (30), and the sealing assembly (100) is disposed in the relief groove (30); The sealing assembly (100) is provided with a first space (122) and a second space (113), the first space (122) being used to accommodate a first electrical connector (40) and the second space (113) being used to accommodate a second electrical connector (50).

2. The housing assembly of claim 1, wherein, The sealing assembly (100) includes a base (110) and a mounting bracket (120) connected to each other; The base (110) is disposed in the relief groove (30), the mounting bracket (120) is disposed above the base (110), the top surface of the mounting bracket (120) forms the first space (122), and the second space (113) is formed between the mounting bracket (120) and the base (110).

3. The housing assembly of claim 2, wherein, The sealing assembly (100) is provided with a sealing portion (130), at least a portion of which is disposed between the sealing assembly (100) and the relief groove (30); and / or at least a portion of which is disposed in the first space (122); and / or at least a portion of which is disposed in the second space (113).

4. The housing assembly of claim 3, wherein, The mounting bracket (120) is provided with a guide groove (121), which is used to accommodate part of the sealing part (130); The outlet side of the flow guide (121) faces the sidewall of the relief groove (30), and the flow guide (121) is at least used to allow the sealant to flow from the outlet side to between the sidewall of the relief groove (30) and the sealing assembly (100) to form a sealing portion (130).

5. The housing assembly according to claim 4, characterized in that, The first space (122) is connected to the guide channel (121); Part of the sealing portion (130) is located within the first space (122) to seal the gap between the first space (122) and the first electrical connector (40) by means of the sealing portion (130).

6. The housing assembly according to claim 5, characterized in that, The extension direction of the first space (122) is perpendicular to the extension direction of the crossbeam (20); the extension direction of the guide channel (121) is parallel to the extension direction of the crossbeam (20); And / or, the number of the guide channels (121) is multiple, the multiple guide channels (121) are arranged at intervals, and the outlet side of the guide channels (121) faces the side wall of the relief groove (30).

7. The housing assembly according to claim 4, characterized in that, The second space (113) is connected to the guide channel (121); Part of the sealing portion (130) is located within the second space (113) to seal the gap between the second space (113) and the second electrical connector (50) by means of the sealing portion (130).

8. The housing assembly according to claim 7, characterized in that, The mounting bracket (120) is provided with a communication port, and the guide channel (121) is connected to the second space (113) through the communication port.

9. The housing assembly according to claim 2, characterized in that, The mounting bracket (120) is provided with a snap-fit ​​part (123), and the base (110) is provided with a snap-fit ​​component (112). The snap-fit ​​part (123) and the snap-fit ​​component (112) are snap-fitted together.

10. The housing assembly according to any one of claims 1-9, characterized in that, The first space (122) is provided with a baffle, and there are multiple first electrical connectors (40), the baffle separating the multiple first electrical connectors (40); And / or, the second space (113) is provided with a baffle, and there are multiple second electrical connectors (50), the baffle separating the multiple second electrical connectors (50); And / or, the housing assembly further includes at least one support structure (200) disposed on at least one side of the crossbeam (20) and opposite to the relief groove (30), the support structure (200) having a third space (210) corresponding to and communicating with the first space (122), the third space (210) extending along the extension direction of the first electrical connector (40); the support structure (200) having a fourth space (250) corresponding to and communicating with the second space (113), the fourth space (250) extending along the extension direction of the second electrical connector (50).

11. The housing assembly according to claim 10, characterized in that, The housing assembly further includes a protective bracket (220) comprising a connecting section (227) and an extension section (228), the connecting section (227) being connected to the bracket structure (200), the second electrical connector (50) extending beyond the bracket structure (200), and the extension section (228) being at least partially located on top of the extended portion of the second electrical connector (50); And / or, the first electrical connector (40) extends beyond the support structure (200), and the extension (228) is at least partially located at the bottom of the extended portion of the first electrical connector (40).

12. The housing assembly according to claim 11, characterized in that, The number of the second electrical connectors (50) is at least two, and the at least two second electrical connectors (50) include a first drive row (60) and a second drive row (70). The housing assembly is provided with a first connecting piece (224) and a second connecting piece (225). The first connecting piece (224) is used to be electrically connected to the first drive row (60), and the second connecting piece (225) is used to be electrically connected to the second drive row (70). The protective bracket (220) includes an injection protrusion (229) with an injection groove (221). The protective bracket (220) is provided with an injection port (222) communicating with the injection groove (221). The orthographic projection of the injection protrusion (229) along the height direction of the housing assembly is at least partially located between the first connecting piece (224) and the second connecting piece (225) and / or between the first drive row (60) and the second drive row (70), so that the sealant in the injection groove (221) can flow to the space between the first connecting piece (224) and the second connecting piece (225) and / or between the first drive row (60) and the second drive row (70). And / or, the housing assembly further includes a frame (10), the crossbeam (20) and the support structure (200) are located within the frame (10), and the protective bracket (220) is provided with a sealing element (223) abutting between the side of the protective bracket (220) opposite to the support structure (200) and the frame (10).

13. The housing assembly according to claim 12, characterized in that, The glue injection protrusion (229) is configured as a Z-shaped protrusion, which has a multi-segment continuous bending structure; the Z-shaped protrusion cooperates with the protrusion (201) on the bracket structure (200) to isolate the first connecting piece (224) from the second connecting piece (225) and / or the first drive row (60) from the second drive row (70).

14. A battery device, characterized in that, Includes the housing assembly as described in any one of claims 1-13.

15. An electrical appliance, characterized in that, Includes the battery device as described in claim 14, or includes the housing assembly as described in any one of claims 1-13.

Images