Battery device and electric device

Abstract

The utility model relates to a battery device and a power utilization device. The battery device comprises a box body, an adapter and a first plugging assembly, the adapter comprises a shell and a connecting terminal, the shell is arranged on the box wall of the box body and comprises a first cavity, a second cavity and a partition part, the partition part partitions the first cavity and the second cavity, at least part of the first cavity is arranged in the box body, at least part of the second cavity is arranged outside the box body, and the connecting terminal is arranged in the first cavity. The connecting terminal penetrates through the partition part and is provided with a first end and a second end which are opposite, the first end is arranged in the first cavity, and the second end is arranged in the second cavity; the first plugging assembly is at least partially accommodated in the first cavity and is connected with the first end. According to the battery device provided by the invention, the problem of leakage of the first plug-in assembly is improved through switching of the adapter, and the adapter is matched with the first plug-in assembly, so that the first plug-in assembly has a self-sealing function before being paired.

Description

Technical Field

[0001] The present application relates to the technical field of battery production, and in particular to battery devices and electrical devices. Background Art

[0002] Battery devices are widely used in electronic devices, such as mobile phones, laptop computers, battery cars, electric cars, electric airplanes, electric ships, electric toy cars, electric toy ships, electric toy airplanes, and electric tools, etc.

[0003] In the development of battery devices, how to improve the reliability of battery devices is a technical problem that needs to be solved urgently in battery technology. Utility Model Content

[0004] The present application provides a battery device and an electrical device, aiming to improve the reliability of the battery device to a certain extent.

[0005] In the first aspect, the present application proposes a battery device, which includes a case, an adapter and a first plug-in assembly; the adapter includes a shell and a connecting terminal, the shell is arranged on the wall of the case and includes a first cavity, a second cavity and a partition, the partition separates the first cavity and the second cavity, at least part of the first cavity is arranged in the case, at least part of the second cavity is arranged outside the case, the connecting terminal passes through the partition and has a first end and a second end opposite to each other, the first end is arranged in the first cavity, and the second end is arranged in the second cavity; the first plug-in assembly is at least partially accommodated in the first cavity and connected to the first end.

[0006] In the battery device provided by the present application, the partition part of the shell separates the first cavity from the second cavity, and at least part of the first cavity is arranged in the box body, so that the inside and outside of the box body are blocked by the partition part, blocking the flow of liquid, water vapor, etc. between the two cavities. The problem of leakage of the first plug-in component is improved by the adapter, and the adapter cooperates with the first plug-in component, so that the first plug-in component has a self-sealing function before being paired, so that the battery device has a higher waterproof sealing performance and also improves the reliability of the battery device.

[0007] According to an embodiment of the present application, the housing and the connecting terminal are an integral injection-molded structure.

[0008] In these optional embodiments, the integrated housing and connecting terminals can reduce the number of parts, reduce assembly time, and improve assembly efficiency.

[0009] According to an embodiment of the present application, the adapter also includes insulating glue, and at least a portion of the insulating glue is disposed in the second cavity and between the shell and the connecting terminal.

[0010] In these optional embodiments, the provision of the insulating glue can reduce the gap between the housing and the connecting terminal, reduce the defect of sealing failure, and achieve a double sealing effect, thereby enhancing the sealing of the overall structure.

[0011] According to an embodiment of the present application, a flange is provided on the outer circumference of the shell, and the flange abuts against and is connected to the box wall.

[0012] In these optional embodiments, the flange is tightly abutted and connected to the box wall, forming a good sealing surface between the two, reducing the existence of a gap between the box body and the adapter, effectively blocking liquid from entering the box body, and improving the sealing performance of the entire battery device.

[0013] According to an embodiment of the present application, a first sealing member is further included. The first sealing member is sandwiched between the flange and the box wall, and the first sealing member is sleeved on the outer periphery of the shell.

[0014] In these optional embodiments, such an arrangement can further improve the sealing performance between the flange and the box wall.

[0015] According to one embodiment of the present application, a mounting hole is provided on the box wall; the battery device further includes a connector, which passes through the mounting hole and fixes the shell to the box wall.

[0016] In these optional embodiments, the connection between the shell and the box wall is achieved through the cooperation of the mounting holes and the connecting pieces, which also facilitates the installation and disassembly of the shell and the box wall and simplifies the installation method of the shell and the box wall.

[0017] According to one embodiment of the present application, the first plug-in assembly includes a first socket connector and a first socket terminal; at least a portion of the first socket connector is accommodated in the first cavity and connected to the shell, a first plug-in channel is provided inside the first socket connector, and the first plug-in channel is connected to the first cavity; the first end at least partially extends into the first plug-in channel and is connected to the first socket terminal.

[0018] In these optional embodiments, such a configuration is used to position and guide the first socket terminal, thereby improving the plugging efficiency of the first socket terminal and facilitating the first socket terminal to be plugged into place.

[0019] According to an embodiment of the present application, the shell is provided with an opening, which passes through the shell along the thickness direction and is connected to the first cavity; the first socket connector is provided with a snap-fit ​​component, which is snap-fitted with the opening.

[0020] In these optional embodiments, the buckle is engaged with the opening, and the buckle is not easy to be disengaged. In addition, the opening setting can further reduce the weight of the shell, which is conducive to the lightweight of the battery device.

[0021] In a second aspect, the present application provides an electrical device, comprising the battery device according to the foregoing and an electrical main body, wherein the electrical main body comprises a second plug-in assembly, at least a portion of which is accommodated in a second cavity and connected to a second end.

[0022] In the power-consuming device provided by the present application, the battery device provides electric energy to the power-consuming body through the second plug-in assembly to ensure the normal operation of the power-consuming device. Moreover, the inside and outside of the box of the power-consuming device are blocked by the partition part, which realizes the self-sealing function of the battery device, improves the overall sealing of the power-consuming device, and improves the reliability of the power-consuming device.

[0023] According to one embodiment of the present application, the second plug-in assembly includes a second socket connector and a second socket terminal; at least a portion of the second socket connector is accommodated in the second cavity and connected to the shell, a second plug-in channel is provided inside the second socket connector, and the second plug-in channel is connected to the second cavity; the second end at least partially extends into the second plug-in channel and is connected to the second socket terminal.

[0024] In these optional embodiments, such a configuration is used to position and guide the second socket terminal, thereby improving the plugging efficiency of the second socket terminal and facilitating the plugging of the second socket terminal into place.

[0025] According to one embodiment of the present application, the second socket connector includes a main body and a bending portion; at least a portion of the main body is accommodated in the second cavity, and the main body is provided with a second plug-in channel; the bending portion is connected to the outer periphery of the main body and is bent toward the shell along the axial direction of the shell, the main body and the bending portion enclose a limiting cavity, and a portion of the shell is inserted into the limiting cavity and abuts against the bending portion.

[0026] In these optional embodiments, such a configuration can increase the connection stability between the second socket connector and the adapter. In addition, the configuration of the bent portion can also improve the waterproof sealing performance.

[0027] According to an embodiment of the present application, a second sealing member is provided between the main body and the shell in the thickness direction of the shell, and the second sealing member is sleeved on the shell.

[0028] In these optional embodiments, such an arrangement can further improve the sealing performance between the second socket connector and the adapter.

[0029] According to an embodiment of the present application, a surface of the main body facing the shell in the thickness direction is provided with an inwardly recessed portion, a portion of the second seal is accommodated in the recess, and another portion protrudes out of the recess and abuts against the shell.

[0030] In these optional embodiments, the recessed portion is used to limit the position of the second sealing member to prevent the sealing ring from slipping off during the plugging and unplugging process of the second socket connector and the adapter.

[0031] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The features, advantages and technical effects of exemplary embodiments of the present application will be described below with reference to the accompanying drawings.

[0033] Figure 1 is a structural schematic diagram of a vehicle provided by an embodiment of the present application;

[0034] Figure 2 is an exploded view of a battery device provided in one embodiment of the present application;

[0035] Figure 3 is a partial exploded view of a battery device provided in one embodiment of the present application;

[0036] Figure 4 is a partial cross-sectional view of a battery device provided by an embodiment of the present application;

[0037] Figure 5 is a schematic diagram of a partial cross-sectional structure of a battery device provided in one embodiment of the present application;

[0038] Figure 6 for Figure 5 A schematic cross-sectional view taken along the AA direction;

[0039] Figure 7 is a partial exploded view of an electrical device provided in one embodiment of the present application;

[0040] Figure 8 It is a schematic diagram of a partial cross-sectional structure of an electrical device provided in one embodiment of the present application;

[0041] Fig. 9 for Figure 8 Schematic cross-sectional view along direction BB.

[0042] The drawings are not necessarily drawn to scale.

[0043] Description of reference numerals:

[0044] 1000. Vehicles;

[0045] 100, battery device; 200, controller; 300, motor;

[0046] 1a, battery module; 1b, first box; 1c, second box;

[0047] 1. Box body; 11. Box wall; 12. Mounting hole;

[0048] 2. adapter; 21. housing; 211. first cavity; 212. second cavity; 213. partition; 214. flange; 215. opening; 22. connecting terminal; 221. first end; 222. second end; 23. insulating glue;

[0049] 3. First plug assembly; 31. First socket connector; 311. First plug channel; 32. First socket terminal; 33. Fastener;

[0050] 4. The first sealing member;

[0051] 5. Connectors;

[0052] 6. Second plug assembly; 61. Second socket connector; 611. Second plug channel; 612. Main body; 613. Bend portion; 614. Position limiting cavity; 615. Concave portion; 62. Second socket terminal;

[0053] 7. Second sealing member;

[0054] X, axial direction; Z, thickness direction. DETAILED DESCRIPTION

[0055] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0056] Unless otherwise defined, all technical and scientific terms used in this application have the same meaning as those commonly understood by technicians in the technical field of this application; the terms used in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" in the specification and claims of this application and the above-mentioned drawings and any variations thereof are intended to cover non-exclusive inclusions. The terms "first", "second", etc. in the specification and claims of this application or the above-mentioned drawings are used to distinguish different objects, rather than to describe a specific order or a primary and secondary relationship.

[0057] Reference to "embodiment" in this application means that a particular feature, structure, or characteristic described in conjunction with the embodiment may be included in at least one embodiment of the present application. The appearance of the phrase in various places in the specification does not necessarily refer to the same embodiment, nor is it an independent or alternative embodiment that is mutually exclusive with other embodiments.

[0058] In the description of this application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", and "attached" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0059] The term "and / or" in this application is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this application generally indicates that the associated objects before and after are in an "or" relationship.

[0060] In the embodiments of the present application, the same reference numerals represent the same components, and for the sake of brevity, detailed descriptions of the same components are omitted in different embodiments. It should be understood that the thickness, length, width and other dimensions of various components in the embodiments of the present application shown in the drawings, as well as the overall thickness, length, width and other dimensions of the integrated device are only exemplary descriptions and should not constitute any limitation to the present application.

[0061] The term “plurality” used in this application refers to two or more (including two).

[0062] At present, judging from the development of the market situation, the application of batteries is becoming more and more extensive. Batteries are not only used in energy storage power systems such as hydropower, thermal power, wind power and solar power stations, but also widely used in electric vehicles such as electric bicycles, electric motorcycles, electric cars, as well as military equipment and aerospace and other fields.

[0063] A battery device generally refers to a single physical module that includes multiple battery cells to provide higher voltage and capacity. A battery cell may be the smallest unit that constitutes a battery device.

[0064] When a battery device is used in an electrical device, it mainly provides electrical energy to the electrical device for normal operation. It is understandable that the battery device is generally electrically connected to the electrical main body through a plug-in assembly. Unmatched plug-in assemblies are in a non-sealed state, and liquid, water vapor and dust can enter the battery device through the plug-in assembly. The common sealing gaskets or sealing rings have poor sealing effects, which can also cause water leakage risks and reduce the reliability of the battery device.

[0065] In the battery device provided by the present application, the partition part of the shell separates the first cavity from the second cavity, and at least part of the first cavity is arranged in the box body, so that the inside and outside of the box body are blocked by the partition part, blocking the flow of liquid, water vapor, etc. between the two cavities. The problem of leakage of the first plug-in component is improved by the adapter, and the adapter cooperates with the first plug-in component, so that the first plug-in component has a self-sealing function before being paired, so that the battery device has a higher waterproof sealing performance and also improves the reliability of the battery device.

[0066] Electrical devices may be vehicles, mobile phones, portable devices, laptops, ships, spacecraft, electric toys, electric tools, etc. Vehicles may be fuel vehicles, gas vehicles or new energy vehicles, and new energy vehicles may be pure electric vehicles, hybrid vehicles or extended-range vehicles, etc. Spacecraft include aircraft, rockets, space shuttles and spacecrafts, etc. Electric toys include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys and electric airplane toys, etc. Electric tools include metal cutting electric tools, grinding electric tools, assembly electric tools and railway electric tools, such as electric drills, electric grinders, electric wrenches, electric screwdrivers, electric hammers, impact drills, concrete vibrators and electric planers, etc.

[0067] For the convenience of description, the following embodiments are described by taking a vehicle as an example of an electrical device in an embodiment of the present application.

[0068] See also Figure 1 As shown, one embodiment of the present application provides a vehicle 1000. The vehicle 1000 may be a fuel vehicle, a gas vehicle or a new energy vehicle. The new energy vehicle may be a pure electric vehicle, a hybrid vehicle or an extended range vehicle, etc. In one embodiment of the present application, the vehicle 1000 may include a motor 300, a controller 200 and a battery device 100. The controller 200 is used to control the battery device 100 to power the motor 300. The motor 300 is connected to the wheel through a transmission mechanism to drive the vehicle 1000 to move. The battery device 100 can be used as a driving power source for the vehicle 1000, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1000. In one example, the battery device 100 can be set at the bottom or front or rear of the vehicle 1000. The battery device 100 can be used to power the vehicle 1000. In one example, the battery device 100 can be used as an operating power source for the vehicle 1000 for the circuit system of the vehicle 1000. For example, the battery device 100 can be used to meet the power requirements of the vehicle 1000 during startup, navigation, and operation.

[0069] Please refer to Figure 2 , Figure 2 An exploded view of a battery device provided in accordance with some embodiments of the present application.

[0070] In some embodiments, the battery device 100 may include one or more battery cell assemblies to provide voltage and capacity.

[0071] A battery cell assembly may include a plurality of battery cells ( Figure 2 (not shown), multiple battery cells are connected in series, in parallel or in mixed connection through a busbar component. Mixed connection means that multiple battery cells are connected in series and in parallel.

[0072] The battery cell may be a secondary battery cell, which refers to a battery cell that can be continuously used by activating active materials by charging after the battery cell is discharged.

[0073] As an example, the battery cells may be lithium ion battery cells, sodium ion battery cells, sodium lithium ion battery cells, lithium metal battery cells, sodium metal battery cells, lithium sulfur battery cells, magnesium ion battery cells, nickel hydrogen battery cells, nickel cadmium battery cells, lead storage battery cells, etc.

[0074] As an example, the battery cell may be a prismatic battery cell, a soft-pack battery cell or a battery cell of other shapes. The prismatic battery cell includes a square-shell battery cell, a blade-shaped battery cell, a polygonal battery cell, such as a hexagonal battery cell.

[0075] In some embodiments, the battery cell assembly is generally formed by arranging a plurality of battery cells; as an example, the battery cell assembly may be a battery module 1a, and the battery module 1a may be formed by arranging and fixing a plurality of battery cells to form an independent module. As an example, the battery module 1a may be formed by bundling a plurality of battery cells by a cable tie.

[0076] In some embodiments, the battery device 100 may be a battery pack, which includes a box and one or more battery cell assemblies, and the battery cell assembly is accommodated in the box. As an example, the battery cell assembly may be a battery module 1a, and the battery cell assembly may be accommodated in the box by fixing the battery module 1a in the box. As an example, the battery cell assembly may also be accommodated in the box by directly fixing a plurality of battery cells to the box.

[0077] In some embodiments, the box is used to accommodate the battery cells, and the box can have various structures.

[0078] In some embodiments, the box may include a first box 1b and a second box 1c, the first box 1b and the second box 1c cover each other, and the first box 1b and the second box 1c jointly define a storage space for accommodating battery cells. The second box 1c may be a hollow structure with one end open, the first box 1b may be a plate-like structure, the first box 1b covers the open side of the second box 1c, so that the first box 1b and the second box 1c jointly define a storage space; the first box 1b and the second box 1c may also be hollow structures with one side open, and the open side of the first box 1b covers the open side of the second box 1c. Of course, the box formed by the first box 1b and the second box 1c may be in a variety of shapes, such as a cylinder, a cuboid, etc.

[0079] In some embodiments, the box may include a top cover, a frame and a bottom plate. The top cover and the bottom plate are respectively connected to the frame so that a closed space is formed inside the box to accommodate the battery cell assembly. As an example, the frame may include a plurality of side beams.

[0080] In some embodiments, the box body can be used as a part of the chassis structure of the vehicle. For example, part of the box body can become at least a part of the floor of the vehicle, or part of the box body can become at least a part of the cross beam and longitudinal beam of the vehicle.

[0081] In some embodiments, the battery device 100 may be an energy storage device.

[0082] Energy storage devices can be used in energy storage power stations, wind power generation systems, solar power generation systems, mobile power systems or temporary power supply systems. Energy storage devices can store electrical energy as needed and output it at the appropriate time. For example, energy storage devices can store electrical energy when electricity consumption is low, and provide electrical energy to relevant users or electrical equipment during peak electricity consumption.

[0083] In some embodiments, the energy storage device includes an energy storage container, an energy storage cabinet, etc.

[0084] See also Figure 3 and Figure 4 , Figure 3 is a partial exploded view of a battery device provided in one embodiment of the present application; Figure 4 It is a partial cross-sectional view of a battery device provided in one embodiment of the present application.

[0085] like Figure 3 and Figure 4As shown, the present application proposes a battery device, which includes a box body 1, an adapter 2 and a first plug-in assembly 3. The adapter 2 includes a shell 21 and a connection terminal 22. The shell 21 is arranged on the box wall 11 of the box body 1 and includes a first cavity 211, a second cavity 212 and a partition 213. The partition 213 separates the first cavity 211 and the second cavity 212. At least part of the first cavity 211 is arranged in the box body 1, and at least part of the second cavity 212 is arranged outside the box body 1. The connection terminal 22 passes through the partition 213 and has a first end 221 and a second end 222 opposite to each other. The first end 221 is arranged in the first cavity 211, and the second end 222 is arranged in the second cavity 212. The first plug-in assembly 3 is at least partially accommodated in the first cavity 211 and connected to the first end 221.

[0086] The housing 21 is the base structure of the adapter 2, and the housing 21 has a cavity inside, which can be used to accommodate the connection terminal 22 and at least part of the first plug-in component 3. Optionally, the cavity can also accommodate the plug-in component outside the box 1. Exemplarily, the partition part 213 partitions the cavity to form a first cavity 211 and a second cavity 212.

[0087] The housing 21 may be in various shapes and sizes, such as a rectangular parallelepiped or a cylindrical shape.

[0088] The shell 21 can be made of various materials, such as copper, iron, aluminum, stainless steel, aluminum alloy, etc.

[0089] Exemplarily, the housing 21 is a structure with openings at both ends along the axial direction X, and the first cavity 211 and the second cavity 212 are respectively connected to the corresponding openings.

[0090] Exemplarily, the shell 21 includes a shell body and a partition portion 213. The shell body is roughly rectangular in structure and has a through cavity. The partition portion 213 is connected to the shell body. The partition portion 213 is located in the cavity and partitions the cavity to form a first cavity 211 and a second cavity 212.

[0091] In some examples, the partition portion 213 overlaps with the box wall 11 along the thickness direction Z of the shell 21 .

[0092] In some examples, the partition portion 213 is located at the center of the housing 21 along the axial direction X. In the axial direction X, the depth of the first cavity 211 is equal to the depth of the second cavity 212 .

[0093] In some other examples, the partition portion 213 is located at a non-center of the housing 21 along the axial direction X. In the axial direction X, the depth of the first cavity 211 is different from the depth of the second cavity 212 .

[0094] Optionally, the first cavity 211 has a cylindrical or rectangular structure.

[0095] Optionally, the second cavity 212 has a cylindrical or rectangular structure.

[0096] In some examples, along the thickness direction Z of the housing 21 , the width of the first cavity 211 is different from the width of the second cavity 212 .

[0097] In some examples, the housing 21 and the connection terminal 22 are an integral structure.

[0098] In some other examples, the housing 21 and the connecting terminal 22 are separate structures.

[0099] Exemplarily, the connecting terminal 22 passes through the partition portion 213 and has a first end 221 and a second end 222 relative to each other. Specifically, the connecting terminal 22 includes a first end 221, a connecting portion and a second end 222, the connecting portion is connected to the first end 221 and the second end 222, the first end 221 is located in the first cavity 211, the connecting portion is connected to the partition portion 213 and overlaps with the partition portion 213 along the axial direction X, and the second end 222 is located in the second cavity 212.

[0100] In some examples, the first end 221 is disposed in the first cavity 211 , and the first end 221 does not extend beyond the first cavity 211 along the axial direction X.

[0101] In some examples, the second end 222 is disposed in the second cavity 212 , and the second end 222 does not extend beyond the second cavity 212 along the axial direction X.

[0102] The first plug assembly 3 is at least partially accommodated in the first cavity 211 and connected to the first end 221. The first plug assembly 3 is matched and connected to the first end 221 through the first cavity 211, and the first cavity 211 has a certain guiding function.

[0103] In some examples, the adapter 2 includes a plurality of connection terminals 22 , and the plurality of connection terminals 22 are spaced apart in the partition portion 213 .

[0104] In the battery device provided by the present application, the partition part 213 of the shell 21 partitions the first cavity 211 and the second cavity 212, and at least part of the first cavity 211 is arranged in the box body 1, so that the inside of the box body 1 and the outside of the box body 1 are blocked by the partition part 213, blocking the flow of liquid, water vapor, etc. between the two cavities. The problem of leakage of the first plug component 3 is improved by the adapter 2, and the adapter 2 cooperates with the first plug component 3, so that the first plug component 3 has a self-sealing function before being paired, so that the battery device has a higher waterproof sealing performance, and the reliability of the battery device is also improved.

[0105] According to an embodiment of the present application, the housing 21 and the connecting terminal 22 are an integral injection-molded structure.

[0106] Injection molding is achieved, for example, by an injection molding machine and a mold. Injection molding is a process in which thermoplastics or thermosetting materials are formed into various shapes using a plastic molding mold by an injection molding machine.

[0107] In these optional embodiments, the integrated housing 21 and connecting terminals 22 can reduce the number of parts, shorten assembly time, and improve assembly efficiency.

[0108] In addition, no additional sealing ring or other components are required for connection or sealing between the integrated housing 21 and the connection terminal 22, thereby reducing production costs. Moreover, the integrated housing 21 and the connection terminal 22 have better sealing performance, thereby improving the reliability of the battery device.

[0109] Combined with reference Figure 5 and Figure 6 , Figure 5 is a schematic diagram of a partial cross-sectional structure of a battery device provided in one embodiment of the present application; Figure 6 for Figure 5 Schematic cross-sectional view along the AA direction.

[0110] According to one embodiment of the present application, Figure 5 and Figure 6 As shown, the adapter 2 further includes an insulating adhesive 23 , at least a portion of the insulating adhesive 23 is disposed in the second cavity 212 and between the housing 21 and the connecting terminal 22 .

[0111] In some examples, the insulating adhesive 23 is bonded to the housing 21 and the connecting terminal 22 .

[0112] Exemplarily, a portion of the insulating glue 23 is located between the partition portion 213 and the connection terminal 22 to bond the housing 21 and the connection terminal 22 , and another portion of the insulating glue 23 is disposed on a surface of the partition portion 213 facing the second cavity 212 .

[0113] Optionally, the insulating glue 23 covers the outer surface of the partition portion 213 facing the second cavity 212 .

[0114] In some examples, the insulating glue 23 may also be disposed at the connection between the housing 21 and the box wall 11. Such a configuration further seals the housing 21 and the box wall 11 to improve the sealing performance between the housing 21 and the box body 1.

[0115] In these optional embodiments, the provision of the insulating glue 23 can reduce the gap between the housing 21 and the connecting terminal 22, reduce the defect of sealing failure, and achieve a double sealing effect, thereby enhancing the sealing of the overall structure.

[0116] According to one embodiment of the present application, Figure 4 and Figure 6As shown, a flange 214 is disposed on the outer circumference of the housing 21 , and the flange 214 abuts against and is connected to the box wall 11 .

[0117] In some examples, a flange 214 is disposed on the outer periphery of the shell 21 . The flange 214 extends along the thickness direction Z of the shell 21 . The flange 214 abuts against and is connected to the box wall 11 .

[0118] Exemplarily, the box wall 11 is provided with a mounting hole 12, a portion of the shell 21 extends into the box body 1 through the mounting hole 12, and the first cavity 211 is located in the box body 1, and the flange 214 abuts against the hole wall of the mounting hole 12 and is connected to the hole wall.

[0119] Specifically, the flange 214 is connected to the box wall 11 by welding, bonding, clamping, connecting pieces or other methods.

[0120] Optionally, a sealing gasket or insulating glue 23 is provided between the flange 214 and the box wall 11 .

[0121] In these optional embodiments, the flange 214 is tightly abutted and connected to the box wall 11, forming a good sealing surface between the two, reducing the existence of the gap between the box body 1 and the adapter 2, effectively blocking liquid from entering the box body 1, and improving the sealing performance of the entire battery device.

[0122] According to one embodiment of the present application, Figure 5 and Figure 6 As shown, the battery device further includes a first seal 4 , which is sandwiched between the flange 214 and the box wall 11 , and is sleeved on the outer periphery of the shell 21 .

[0123] Optionally, the first sealing member 4 includes at least one of a rubber sealing ring, a sealing gasket or a sealant.

[0124] Optionally, the first sealing member 4 has a first surface and a second surface which are opposite to each other along the thickness direction Z thereof, the first surface being attached to the box wall 11 , and the second surface being attached to the flange 214 .

[0125] In these optional embodiments, such an arrangement can further improve the sealing performance between the flange 214 and the box wall 11.

[0126] According to one embodiment of the present application, Figure 3 As shown, the box wall 11 is provided with a mounting hole 12. The battery device further comprises a connector 5, which passes through the mounting hole 12 and fixes the housing 21 to the box wall 11.

[0127] In some examples, the box wall 11 has a mounting hole 12 which is a through hole. Correspondingly, the flange 214 has a connecting hole. The connecting member 5 penetrates the mounting hole 12 and extends into the connecting hole to connect the box wall 11 and the flange 214 .

[0128] Exemplarily, the mounting hole 12 and the connecting member 5 are threadedly connected.

[0129] Optionally, the first sealing member 4 is disposed between the flange 214 and the box wall 11 , and the first sealing member 4 is provided with a through hole, and the connecting member 5 passes through the through hole.

[0130] More optionally, the first sealing member 4 and the connecting member 5 are interference fit.

[0131] In these optional embodiments, the housing 21 is connected to the box wall 11 by cooperation with the mounting hole 12 and the connector 5, which facilitates the installation and disassembly of the housing 21 and the box wall 11 and simplifies the installation method of the housing 21 and the box wall 11.

[0132] According to one embodiment of the present application, Figure 3 and Figure 4 As shown, the first plug assembly 3 includes a first socket connector 31 and a first socket terminal 32. At least a portion of the first socket connector 31 is accommodated in the first cavity 211 and connected to the housing 21. A first plug passage 311 is provided inside the first socket connector 31, and the first plug passage 311 is communicated with the first cavity 211. The first end 221 at least partially extends into the first plug passage 311 and is connected to the first socket terminal 32.

[0133] Exemplarily, the structure of the first socket connector 31 matches the structure of the first cavity 211 .

[0134] In some examples, a first plug channel 311 is formed inside the first socket connector 31, a first opening is provided at one end of the first socket connector 31 close to the second cavity 212, the first opening is communicated with the first plug channel 311, the first socket connector 31 is at least partially located in the first cavity 211, the first plug channel 311 is communicated with the first cavity 211, and the first end 221 at least partially extends into the first plug channel 311 through the first opening. A second opening is provided at one end of the first socket connector 31 away from the second cavity 212, the second opening is communicated with the first plug channel 311, and the socket terminal at least partially extends into the first plug channel 311 through the second opening and is connected to the first end 221.

[0135] Optionally, the first plug-in assembly 3 includes a plurality of first socket terminals 32 , and the plurality of first socket terminals 32 are arranged in a one-to-one correspondence with the plurality of connecting terminals 22 .

[0136] In some examples, the first socket connector 31 may be entirely disposed within the first cavity 211 . Alternatively, an end of the first socket connector 31 that faces away from the second cavity 212 may protrude outside the first cavity 211 .

[0137] In some examples, the first socket terminal 32 may be completely within the first plugging channel 311 . Alternatively, an end of the first socket terminal 32 facing away from the second cavity 212 may protrude outside the first plugging channel 311 .

[0138] Optionally, the first socket connector 31 is detachably connected to the housing 21 .

[0139] More optionally, the first socket connector 31 is plugged or snap-fitted to the housing 21 .

[0140] In these optional embodiments, such a configuration is used to position and guide the first socket terminal 32, improve the plugging efficiency of the first socket terminal 32, and facilitate the first socket terminal 32 to be plugged into place.

[0141] According to one embodiment of the present application, Figure 3 As shown, the housing 21 is provided with an opening 215 , and the opening 215 penetrates the housing 21 along the thickness direction Z of the housing 21 . The first socket connector 31 is provided with a buckle 33 , and the buckle 33 is buckled and matched with the opening 215 .

[0142] Exemplarily, the housing 21 is generally rectangular in structure, having two first side walls and two second side walls opposite to each other, and the first side wall is connected to the two adjacent second side walls. The first side wall is provided with a through opening 215 along the thickness direction Z. The first socket connector 31 is generally rectangular in structure, having two first wall portions and two second wall portions opposite to each other, and the first wall portion is connected to the two adjacent second wall portions. The first wall portion is arranged opposite to the first side wall, and the second wall portion is arranged opposite to the second side wall. The first wall portion is provided with a snap-fit ​​member 33, and the snap-fit ​​member 33 is snap-fitted with the opening 215.

[0143] In these optional embodiments, the buckle 33 is engaged with the opening 215, and the buckle 33 is not easily disengaged from the opening 215. In addition, the opening 215 can further reduce the weight of the housing 21, which is conducive to the lightweight of the battery device.

[0144] Combined with reference Figure 7 , Figure 7 It is a partial exploded view of an electrical device provided in one embodiment of the present application.

[0145] Second, as Figure 3 and Figure 7As shown, the present application provides an electrical device, which includes the battery device and an electrical body according to the above-mentioned method, and the electrical body includes a second plug-in component 6, at least part of which is accommodated in the second cavity 212 and connected to the second end 222.

[0146] The second plug assembly 6 is at least partially accommodated in the second cavity 212 and connected to the second end 222. The second plug assembly 6 is matched and connected to the second end 222 through the second cavity 212, and the second cavity 212 has a certain guiding function.

[0147] In the electric device provided by the present application, the battery device provides electric energy to the electric main body through the second plug assembly 6, so as to provide for the normal operation of the electric device. Moreover, the inside of the box body 1 of the electric device and the outside of the box body 1 are blocked by the partition part 213, which realizes the self-sealing function of the battery device, improves the sealing of the electric device as a whole, and improves the reliability of the electric device.

[0148] According to one embodiment of the present application, the second plug assembly 6 includes a second socket connector 61 and a second socket terminal 62. At least a portion of the second socket connector 61 is accommodated in the second cavity 212 and connected to the housing 21. A second plug passage 611 is provided inside the second socket connector 61, and the second plug passage 611 is communicated with the second cavity 212. The second end 222 at least partially extends into the second plug passage 611 and is connected to the second socket terminal 62.

[0149] In some examples, a second plug channel 611 is formed inside the second socket connector 61, a third opening is provided at one end of the second socket connector 61 close to the first cavity 211, the third opening is communicated with the second plug channel 611, the second socket connector 61 is at least partially located in the second cavity 212, the second plug channel 611 is communicated with the second cavity 212, and the second end 222 at least partially extends into the second plug channel 611 through the third opening. A fourth opening is provided at one end of the second socket connector 61 away from the first cavity 211, the fourth opening is communicated with the second plug channel 611, and the second socket terminal 62 at least partially extends into the second plug channel 611 through the fourth opening and is connected to the second end 222.

[0150] Optionally, the second plug-in assembly 6 includes a plurality of second socket terminals 62 , and the plurality of second socket terminals 62 are arranged in a one-to-one correspondence with the plurality of connecting terminals 22 .

[0151] More optionally, the first plug-in component 3 includes a plurality of first socket terminals 32 , and the second plug-in component 6 includes a plurality of second socket terminals 62 , and the number of the plurality of first socket terminals 32 is the same as the number of the plurality of second socket terminals 62 .

[0152] In some examples, the second socket connector 61 may be entirely disposed within the second cavity 212 . Alternatively, an end of the second socket connector 61 away from the first cavity 211 may protrude outside the second cavity 212 .

[0153] In some examples, the second socket terminal 62 may be entirely within the second plugging channel 611 . Alternatively, an end of the second socket terminal 62 away from the first cavity 211 may protrude out of the second plugging channel 611 .

[0154] Optionally, the second socket connector 61 is plugged or snap-fitted to the housing 21 .

[0155] In these optional embodiments, such a configuration is used to position and guide the second socket terminal 62, improve the plugging efficiency of the second socket terminal 62, and facilitate the second socket terminal 62 to be plugged into place.

[0156] Combined with reference Figure 8 and Fig. 9 , Figure 8 It is a schematic diagram of a partial cross-sectional structure of an electrical device provided in one embodiment of the present application; Fig. 9 for Figure 8 Schematic cross-sectional view along direction BB.

[0157] According to one embodiment of the present application, Figures 7 to 9 As shown, the second socket connector 61 includes a body portion 612 and a bent portion 613. At least a portion of the body portion 612 is accommodated in the second cavity 212, and the body portion 612 is provided with a second plug-in channel 611. The bent portion 613 is connected to the outer periphery of the body portion 612 and is bent toward the housing 21 along the axial direction X of the housing 21. The body portion 612 and the bent portion 613 enclose a limiting cavity 614, and a portion of the housing 21 is inserted into the limiting cavity 614 and abuts against the bent portion 613.

[0158] Exemplarily, the structure of the body portion 612 matches the structure of the second cavity 212 .

[0159] In some examples, the bending portion 613 includes a bending section and a straight section, the bending section is connected to the outer periphery of the main body 612 and is bent toward the shell 21, and the straight section is connected to the bending section and extends along the axial direction X of the shell 21. The bending section, the straight section and the main body 612 enclose a limiting cavity 614, and a portion of the shell 21 is inserted into the limiting cavity 614 and abuts against the bending portion 613.

[0160] Exemplarily, the main body portion 612 and the bending portion 613 are an integral structure.

[0161] Optionally, in the thickness direction Z of the shell 21 , the projection of the bent portion 613 on the shell 21 covers the second cavity 212 .

[0162] In these optional embodiments, such a configuration can increase the connection stability between the second socket connector 61 and the adapter 2. In addition, the configuration of the bent portion 613 can also improve the waterproof sealing performance.

[0163] According to one embodiment of the present application, Figure 7 and Fig. 9 As shown, in the thickness direction Z of the shell 21 , a second sealing member 7 is provided between the main body 612 and the shell 21 , and the second sealing member 7 is sleeved on the shell 21 .

[0164] Optionally, the second sealing member 7 includes at least one of a rubber sealing ring, a sealing gasket or a sealant.

[0165] In these optional embodiments, such an arrangement can further improve the sealing performance between the second socket connector 61 and the adapter 2 .

[0166] According to one embodiment of the present application, Figure 7 and Fig. 9 As shown, the surface of the main body 612 facing the housing 21 along the thickness direction Z is provided with an inwardly recessed recess 615 , a portion of the second sealing member 7 is accommodated in the recess 615 , and another portion protrudes out of the recess 615 and abuts against the housing 21 .

[0167] Exemplarily, the second sealing member 7 is a sealing ring, which includes a first part and a second part, wherein the first part is connected to the second part, the first part is accommodated in the recess 615 , and the second part protrudes out of the recess 615 and abuts against the housing 21 .

[0168] In these optional embodiments, the recess 615 is used to limit the second sealing member 7 so as to prevent the sealing ring from slipping off during the plugging and unplugging process of the second socket connector 61 and the adapter 2 .

[0169] In some examples, the second socket connector 61 further includes a third seal, which is disposed in the second plug-in channel 611 and located on a side of the connecting terminal 22 away from the blocking portion, and is used to cooperate with the second socket terminal 62 to seal the second plug-in channel 611 .

[0170] Optionally, the second socket terminal 62 is provided with a wire, and the wire is squeezed and interfered with the third sealing member to form a sealing interface.

[0171] More optionally, the third sealing member is a sealing gasket.

[0172] In some examples, a second recessed portion 615 recessed inwardly is provided on a surface of the main body 612 facing the second plug-in channel 611 along the radial direction of the adapter 2 , and the third sealing member is engaged with the second recessed portion 615 .

[0173] According to some embodiments of the present application, see Figures 3 to 6 As shown, the present application provides a battery device, which includes a box body 1, a connector 5, a converter 2 and a first plug-in assembly 3.

[0174] The box wall 11 is provided with a mounting hole 12 .

[0175] The adapter 2 includes a shell 21, an insulating glue 23, a first sealing member 4 and a connecting terminal 22. The shell 21 and the connecting terminal 22 are an integral injection molding structure. The shell 21 is arranged on the box wall 11 of the box body 1 and includes a first cavity 211, a second cavity 212 and a partition 213. The partition 213 separates the first cavity 211 and the second cavity 212. At least part of the first cavity 211 is arranged in the box body 1, and at least part of the second cavity 212 is arranged outside the box body 1. A flange 214 is provided around the outer periphery of the shell 21, and the flange 214 abuts against and is connected to the box wall 11. The first sealing member 4 is sandwiched between the flange 214 and the box wall 11, and the first sealing member 4 is sleeved on the outer periphery of the shell 21. The shell 21 is provided with an opening 215, and the opening 215 passes through the shell 21 along the thickness direction Z of the shell 21. The connection terminal 22 passes through the partition portion 213 and has a first end 221 and a second end 222 opposite to each other. The first end 221 is disposed in the first cavity 211, and the second end 222 is disposed in the second cavity 212. At least part of the insulating glue 23 is disposed between the housing 21 and the connection terminal 22.

[0176] The first plug assembly 3 includes a first socket connector 31 and a first socket terminal 32. At least part of the first socket connector 31 is accommodated in the first cavity 211 and connected to the housing 21. A first plug passage 311 is provided inside the first socket connector 31, and the first plug passage 311 is communicated with the first cavity 211. The first socket connector 31 is provided with a snap-fit ​​member 33, and the snap-fit ​​member 33 is snap-fitted with the opening 215. The first end 221 at least partially extends into the first plug passage 311 and is connected to the first socket terminal 32.

[0177] The connecting member 5 passes through the mounting hole 12 and fixes the housing 21 to the box wall 11 .

[0178] Although the present application has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced with equivalents without departing from the scope of the present application. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there is no structural conflict. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A battery device, characterized in that: include: Box; The adapter comprises a shell and a connecting terminal, wherein the shell is arranged on the box wall of the box and comprises a first cavity, a second cavity and a partition, wherein the partition partitions the first cavity and the second cavity, wherein at least a portion of the first cavity is arranged inside the box, and at least a portion of the second cavity is arranged outside the box, and the connecting terminal passes through the partition and has a first end and a second end opposite to each other, wherein the first end is arranged in the first cavity, and the second end is arranged in the second cavity; A first plug-in assembly is at least partially accommodated in the first cavity and connected to the first end.

2. The battery device according to claim 1, characterized in that: The housing and the connecting terminal are an integral injection-molded structure.

3. The battery device according to claim 1, characterized in that: The adapter also includes insulating glue, at least a portion of which is disposed in the second cavity and between the housing and the connecting terminal.

4. The battery device according to claim 1, characterized in that: A flange is arranged around the outer periphery of the shell, and the flange abuts against and is connected to the box wall.

5. The battery device according to claim 4, characterized in that: The battery device further comprises a first sealing member, wherein the first sealing member is sandwiched between the flange and the box wall, and the first sealing member is sleeved on the outer periphery of the shell.

6. The battery device according to claim 1, characterized in that: The box wall is provided with a mounting hole; The battery device also includes a connecting piece, which passes through the mounting hole and fixes the shell to the box wall.

7. The battery device according to claim 1, characterized in that: The first plug-in assembly comprises: A first socket connector, at least partially accommodated in the first cavity and connected to the housing, wherein a first plugging channel is provided inside the first socket connector, and the first plugging channel is communicated with the first cavity; A first socket terminal, wherein at least a portion of the first end extends into the first plug-in channel and is connected to the first socket terminal.

8. The battery device according to claim 7, characterized in that: The shell is provided with an opening, and the opening passes through the shell along the thickness direction of the shell and is connected to the first cavity; The first socket connector is provided with a latch, and the latch is engaged with the opening.

9. An electrical device, characterized in that: include: The battery device according to any one of claims 1 to 8; The electrical main body comprises a second plug-in assembly, at least a part of which is accommodated in the second cavity and connected to the second end.

10. The electrical device according to claim 9, characterized in that: The second plug-in assembly comprises: a second socket connector, at least a portion of which is accommodated in the second cavity and connected to the housing, a second plugging channel being provided inside the second socket connector, and the second plugging channel being communicated with the second cavity; The second socket terminal, the second end at least partially extends into the second plug-in channel and is connected to the second socket terminal.

11. The electrical device according to claim 10, characterized in that: The second socket connector comprises: A main body, at least partially accommodated in the second cavity, and the main body is provided with the second plug-in channel; The bending portion is connected to the outer periphery of the main body and is bent toward the shell along the axial direction of the shell. The main body and the bending portion enclose a limiting cavity. Part of the shell is inserted into the limiting cavity and abuts against the bending portion.

12. The electrical device according to claim 11, characterized in that: In the thickness direction of the shell, a second sealing member is provided between the main body and the shell, and the second sealing member is sleeved on the shell.

13. The electrical device according to claim 12, characterized in that: A surface of the main body portion facing the shell along the thickness direction is provided with an inwardly recessed portion, a portion of the second sealing member is accommodated in the recess, and another portion protrudes out of the recess and abuts against the shell.

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