Battery device and electric appliance

Abstract

The application relates to the battery technical field and provides a battery device and a power utilization equipment, the battery device comprising a battery monomer assembly, an electric connecting piece and an output pole protection structure. When the electric connecting piece is arranged on the base, the protection cover needs to be hinged and turned open relative to the base to expose the connecting position of the electric connecting piece and the base, so that the mounting mechanism can be inserted to perform a connecting operation. Meanwhile, since the protection piece is slidingly connected to the protection cover, the avoiding groove is opened, then the mounting mechanism for fixing the electric connecting piece on the base can pass through the avoiding groove, so that the probability of structural interference between the mounting mechanism and the protection cover is reduced. After the electric connecting piece and the base are fixedly connected, the protection cover is re-set on the base to protect the connecting position of the electric connecting piece and the base, at this time, the protection piece slides relative to the protection cover, so that the avoiding groove is closed, the probability of accidental touching by hands is reduced, and the personnel anti-electric shock level of the output pole protection structure is improved.

Description

Technical Field

[0001] This application relates to the field of battery technology, and in particular to a battery device and an electrical appliance. Background Technology

[0002] Battery devices are widely used in vehicles to provide electric power. Moreover, to meet the high power demands of vehicles, battery devices are generally used as the power source for vehicles.

[0003] The battery device includes an output electrode protection structure, typically comprising a base and a protective cover hinged to the base. A first electrical connector and a second electrical connector are mounted on the base, and these two connectors are fastened using an installation tool. However, during the fastening process, the protective cover may interfere with the tool. If a clearance groove is directly created on the protective cover, the level of protection against electric shock for personnel in this output electrode protection structure will be reduced. Utility Model Content

[0004] The purpose of this application is to provide a battery device and electrical equipment, which aims to solve the problems of the output electrode protection structure in existing battery devices being difficult to be compatible with the interference between the output electrode protection cover and the installation tool, and the need for a high level of protection against electric shock for personnel.

[0005] To achieve the above objectives, the technical solution adopted in the embodiments of this application is as follows: In a first aspect, embodiments of this application provide a battery device, including: Battery cell assembly; An electrical connector is electrically connected to the battery cell assembly to enable power transmission from the battery cell assembly. An output electrode protection structure includes a base and a protective cover hinged to the base. The electrical connector is disposed on the base, and the protective cover has a clearance groove for the electrical connector to make clearance when it is installed on the base. The output electrode protection structure further includes a protective member, which is slidably connected to the protective cover to open or close the clearance groove; the protective cover is provided with a sliding groove, and the protective member is provided with a first protrusion structure. The protective member is slidably connected to the sliding groove through the first protrusion structure to allow the protective member to slide within the sliding groove; the inner wall of the sliding groove is provided with a second protrusion structure, which abuts against the first protrusion structure to limit the protective member from dislodging from the sliding groove.

[0006] The beneficial effects of this application's embodiments: In the battery device provided by this application, when the electrical connector is placed on the base, the protective cover needs to be hinged and flipped open relative to the base to expose the connection between the electrical connector and the base, facilitating the insertion of the mounting mechanism for connection operations. Simultaneously, since the protective member is slidably connected to the protective cover, the clearance groove is opened. Therefore, the mounting mechanism used to fix the electrical connector to the base can pass through the clearance groove, reducing the probability of structural interference between the mounting mechanism and the protective cover. After the electrical connector and the base are fixedly connected, the protective cover is repositioned on the base to protect the connection between the electrical connector and the base. At this time, the protective member slides relative to the protective cover, closing the clearance groove to reduce the probability of accidental contact by personnel, thereby improving the personnel electric shock protection level of the output electrode protection structure. Specifically, the first protruding structure slides within the sliding groove to achieve relative sliding of the protective member relative to the protective cover; and the second protruding structure abuts against the first protruding structure, similarly ensuring that the protective member does not detach from the sliding groove during the overall relative sliding process.

[0007] In some embodiments, the first protrusion structure is in an interference fit with the groove wall.

[0008] By adopting the above technical solution, the first protrusion structure is interference-fitted with the slide groove, so that the protective component can be stably suspended in the slide groove, thereby realizing stepless adjustment of the opening range of the clearance groove.

[0009] In some embodiments, the first protrusion structure is in an interference fit with the groove opening of the slide.

[0010] By adopting the above technical solution, the first protrusion structure is not allowed to come out from the groove opening, so that the protective component can always maintain a sliding connection with the protective cover throughout the sliding process.

[0011] In some embodiments, the number of the first protrusion structures is at least two, each of the first protrusion structures is disposed at intervals on the protective member along the extension direction of the protective member, the number of the second protrusion structures is at least four, each pair of the second protrusion structures is a group and disposed opposite to each other, and the second protrusion structures in each group are disposed at intervals along the groove extension direction of the groove.

[0012] By adopting the above technical solution, multiple first protrusion structures are used to abut and cooperate with each group of second protrusion structures to achieve multi-level sliding cooperation between the protective component and the protective cover during relative sliding, so as to satisfy the adjustable size of the opening of the clearance groove.

[0013] In some embodiments, the base includes a base body and a support arm disposed on the base, the electrical connector is disposed on the base body, the protective cover includes a cover body and a transition post disposed on the cover body, the support arm has a transition hole, and each of the transition posts is hinged in the corresponding transition hole.

[0014] By adopting the above technical solution, the cover can be flipped open and closed relative to the seat by using the hinged connection between the adapter column and the adapter hole on the support arm.

[0015] In some embodiments, the support arm has a first groove structure and the cover has a first snap-fit ​​structure. The first snap-fit ​​structure can rotate with the cover relative to the base to snap into the first groove structure.

[0016] By adopting the above technical solution, the first snap-fit ​​structure is snapped into the first groove structure, so that the cover can be stably suspended when it is flipped open relative to the seat.

[0017] In some embodiments, the protective cover further includes extension arms spaced apart on the cover body, the extension arms having a second groove structure, and the base having a second snap-fit ​​structure that engages with the corresponding second groove structure; The clearance groove is formed between the two extended arms, and the protective member is slidably connected to the cover between the two extended arms.

[0018] By adopting the above technical solution, the second snap-fit ​​structure and the second groove structure are engaged to achieve the locking of the cover and the base.

[0019] In some embodiments, the end of the extendable arm away from the cover is provided with a bent portion, which bends in a direction away from the base.

[0020] By adopting the above technical solution and using the bent part as a lever structure, the extended arm can be more easily disengaged from the second snap-fit ​​structure.

[0021] In some embodiments, the base body is further provided with a mounting portion, the mounting portion including a third snap-fit ​​structure protruding from the base body, the battery device including a reinforcing member, the reinforcing member abutting against at least one end of the battery cell assembly, and the reinforcing member having a third groove structure that cooperates with the third snap-fit ​​structure.

[0022] By adopting the above technical solution, the third snap-fit ​​structure and the third slot structure are snap-fitted together, so that the output pole protection structure can be quickly installed and removed from the enclosure.

[0023] Secondly, embodiments of this application also provide an electrical device, including a battery device as described above, the battery device being used to supply power to the electrical device through the mounting mechanism.

[0024] It is understood that the beneficial effects of the second aspect mentioned above can be found in the relevant descriptions in the first aspect mentioned above, and will not be repeated here. Attached Figure Description

[0025] To more clearly illustrate the technical solutions in the embodiments of this application, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0026] Figure 1 This is a schematic diagram of the structure of the electrical equipment provided in the embodiments of this application; Figure 2 This is a schematic diagram of the structure of the battery device provided in the embodiments of this application; Figure 3 An exploded view of a single battery cell provided in an embodiment of this application; Figure 4 This is a schematic diagram of the output electrode protection structure of the battery device provided in the embodiments of this application; Figure 5 A schematic diagram of the output electrode protection structure and mounting mechanism of the battery device provided in the embodiments of this application; Figure 6 A cross-sectional view of the output electrode protection structure of the battery device provided in the embodiments of this application; Figure 7 for Figure 6 Enlarged view of point A in the middle; Figure 8 A schematic diagram of the protective component of the output electrode protection structure of the battery device provided in the embodiments of this application; Figure 9 A schematic diagram of the protective cover of the output electrode protection structure of the battery device provided in the embodiments of this application; Figure 10 A schematic diagram of the base of the output electrode protection structure of the battery device provided in the embodiments of this application; Figure 11 This is a front view of the base of the output electrode protection structure of the battery device provided in an embodiment of this application.

[0027] The following are the labeling elements in the figure: 1000, vehicle; 200, controller; 300, motor; 100. Battery assembly; 10. Housing; 11. First housing; 12. Second housing; 20. Individual battery cell; 21. End cap; 22. Casing; 23. Electrode assembly; 30. Output pole protection structure; 31. Base; 311. Seat body; 312. Support arm; 313. Adapter hole; 314. First groove structure; 315. Second snap-fit ​​structure; 316. Mounting part; 3161. Third snap-fit ​​structure; 32. Protective cover; 321. Cover body; 322. Adapter post; 323. First snap-fit ​​structure; 324. Extending arm; 325. Second groove structure; 326. Bending part; 33. Protective component; 34. Connecting post; 30a. Clearance groove; 30b. First protrusion structure; 30c1. Slide groove; 30c2. Second protrusion structure; 35. First electrical connector; 36. Second electrical connector; 40. Installation mechanism; X, the first direction. Detailed Implementation

[0028] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain this utility model, and should not be construed as limiting this utility model.

[0029] In the description of this utility model, it should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "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 utility model 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 utility model.

[0030] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, "a plurality of" means two or more, unless otherwise explicitly specified.

[0031] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication 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 utility model according to the specific circumstances.

[0032] The output electrode protection structure in the battery device is used to protect the connection points of electrical connectors. Specifically, the output electrode protection structure includes a base and a protective cover hinged to the base. The output electrode base has a connecting structure for the electrical connectors to pass through. One electrical connector is used for electrical connection with a single battery cell assembly, and the other electrical connector is also used for outputting electrical energy. In actual operation, the protective cover needs to be flipped relative to the base under automated equipment or manual drive to expose the connection points of the electrical connectors. Then, an installation tool is used to move towards the connection points of the electrical connectors in a direction perpendicular or approximately perpendicular to the base, and finally completes the locking connection of the two electrical connectors. Because the angle of the protective cover's flipping relative to the base is limited, or because the protective cover is not flipped into place under automated equipment or manual drive, the installation tool is prone to interference with the protective cover during the downward connection process, thus affecting the connection efficiency of the electrical connectors.

[0033] In the relevant technical field, in order to solve the above problems, a clearance groove can be opened on the protective cover to allow installation tools to pass through. However, opening a clearance groove on the protective cover will reduce the level of personnel protection against electric shock of the output electrode protection structure. That is, when the protective cover is flipped over and closed on the base, the clearance groove may expose the connection position of the electrical connector.

[0034] In view of this, this application provides a battery device in which, when the second electrical connector and the first electrical connector are locked together, the protective cover is movably opened relative to the base to expose the connection between the first and second electrical connectors, facilitating the insertion of a mounting mechanism for connection operations. Since the protective member is movably connected to the protective cover, the clearance groove is opened, allowing the mounting mechanism to pass through the clearance groove, thus reducing the probability of structural interference with the protective cover. After the first and second electrical connectors are locked together, the protective cover is repositioned on the base to protect the connection between them. At this time, the protective member is movable relative to the protective cover, closing the clearance groove to reduce the probability of accidental contact by personnel, thereby improving the personnel protection level of the output electrode protection structure.

[0035] The battery cells disclosed in this application can be used in electrical devices that use battery devices as power sources or in various energy storage systems that use battery devices as energy storage elements. Electrical devices can be, but are not limited to, mobile phones, tablets, laptops, electric toys, power tools, electric vehicles, electric cars, ships, spacecraft, etc. Electric toys can include stationary or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc. Spacecraft can include airplanes, rockets, space shuttles, etc.

[0036] For ease of explanation, the following embodiments will be described using a vehicle 1000 as an example of an electrical device according to an embodiment of this application.

[0037] Please refer to Figure 1 , Figure 1 This is a schematic diagram of the structure of a vehicle 1000 provided in some embodiments of this application. The vehicle 1000 can be a gasoline-powered vehicle, a natural gas-powered vehicle, or a new energy vehicle. New energy vehicles can be pure electric vehicles, hybrid electric vehicles, or range-extended electric vehicles, etc. A battery device 100 is provided inside the vehicle 1000, and the battery device 100 can be located at the bottom, front, or rear of the vehicle 1000. The battery device 100 can be used to power the vehicle 1000; for example, the battery device 100 can serve as the operating power source for the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300. The controller 200 is used to control the battery device 100 to supply power to the motor 300, for example, to meet the power needs of the vehicle 1000 during starting, navigation, and driving.

[0038] In some embodiments of this application, the battery device 100 can not only serve as the operating power source for the vehicle 1000, but also as the driving power source for the vehicle 1000, replacing or partially replacing fuel or natural gas to provide driving power for the vehicle 1000.

[0039] Please refer to Figure 2 , Figure 2 This is an exploded view of a battery device 100 provided in some embodiments of this application. The battery device 100 mentioned in the embodiments of this application may include one or more battery cell assemblies for providing voltage and capacity. The battery cell assembly may include a plurality of battery cells 20, which are connected in series, parallel, or mixed connection via a busbar.

[0040] In some embodiments, the battery cell assembly is typically formed by arranging a plurality of battery cells 20.

[0041] As an example, the battery cell assembly can be a battery module, which is formed by arranging and fixing multiple battery cells 20 into a single module. As an example, the battery module can be formed by bundling multiple battery cells 20 together with cable ties.

[0042] In some embodiments, the battery device 100 may be a battery pack, which includes a housing 10 and one or more battery cell assemblies housed in the housing 10.

[0043] As an example, the battery cell assembly can be a battery module, and the battery cell assembly can be housed in the housing 10 by fixing the battery module in the housing 10.

[0044] As an example, the battery cell assembly can also be housed in the housing 10 by directly fixing multiple battery cells 20 to the housing 10.

[0045] As an example, the housing 10 may include a first housing 11 and a second housing 12. The first housing 11 and the second housing 12 are fastened together to form a closed space inside the housing 10 to house the battery cell assembly. Here, "closed" refers to covering or closing, and can be either sealed or unsealed. The first housing 11 may be a top cover or a bottom plate.

[0046] As an example, the housing 10 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 the interior of the housing 10 forms an enclosed space to accommodate the battery cell assembly.

[0047] In some embodiments, the housing 10 may be part of the chassis structure of the vehicle 1000. For example, a portion of the housing 10 may be at least a portion of the floor of the vehicle 1000, or a portion of the housing 10 may be at least a portion of the crossbeams and longitudinal beams of the vehicle 1000.

[0048] The technical solutions described in the embodiments of this application are applicable to various electrical devices that use battery cells 20, such as mobile phones, portable devices, laptops, electric vehicles, electric toys, power tools, vehicles, ships and spacecraft, for example, spacecraft include airplanes, rockets, space shuttles, etc.

[0049] In this embodiment of the application, the battery cell 20 can be a secondary battery, which refers to a battery cell 20 that can be used again after the battery cell has been discharged by recharging to activate the active materials.

[0050] The battery cell 20 can be a lithium-ion battery, sodium-ion battery, sodium-lithium-ion battery, lithium metal battery, sodium metal battery, lithium-sulfur battery, magnesium-ion battery, nickel-metal hydride battery, nickel-cadmium battery, lead-acid battery, etc., and the embodiments of this application are not limited to this.

[0051] Please refer to Figure 3 , Figure 3 This is an exploded structural diagram of a battery cell 20 provided in some embodiments of this application. The battery cell 20 refers to the smallest unit constituting the battery device 100. For example... Figure 3The battery cell 20 includes an end cap 21, a housing 22, an electrode assembly 23, and other functional components.

[0052] End cap 21 refers to a component that covers the opening of housing 22 to isolate the internal environment of battery cell 20 from the external environment. The shape of end cap 21 can be adapted to the shape of housing 22 to fit it. Optionally, end cap 21 can be made of a material with certain hardness and strength (such as aluminum alloy), so that end cap 21 is not easily deformed under pressure and impact, giving battery cell 20 higher structural strength and improved reliability. Functional components such as electrode terminals can be provided on end cap 21. Electrode terminals can be used for electrical connection with electrode assembly 23 for outputting or inputting electrical energy to battery cell 20. In some embodiments, end cap 21 can also be provided with a pressure relief mechanism for releasing internal pressure when the internal pressure or temperature of battery cell 20 reaches a threshold. The material of end cap 21 can also be various, such as, but not limited to, copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc. In some embodiments, an insulating element may be provided on the inner side of the end cap 21. The insulating element can be used to isolate the electrical connection components within the housing 22 from the end cap 21 to reduce the risk of short circuits. For example, the insulating element may be made of plastic, rubber, etc.

[0053] The housing 22 is a component used to cooperate with the end cap 21 to form the internal environment of the battery cell 20. This internal environment can accommodate the electrode assembly 23, electrolyte, and other components. The housing 22 and the end cap 21 can be independent components. An opening can be provided on the housing 22, and the end cap 21 closes the opening to form the internal environment of the battery cell 20. Alternatively, the end cap 21 and the housing 22 can be integrated. Specifically, the end cap 21 and the housing 22 can form a common connecting surface before other components are inserted into the housing. When it is necessary to encapsulate the interior of the housing 22, the end cap 21 closes the housing 22. The housing 22 can be of various shapes and sizes, such as cuboid, cylindrical, hexagonal prism, etc. Specifically, the shape of the housing 22 can be determined according to the specific shape and size of the electrode assembly 23. The housing 22 can be made of various materials, such as, but not limited to, copper, iron, aluminum, stainless steel, aluminum alloy, plastic, etc.

[0054] Electrode assembly 23 is the component in the battery cell 20 where electrochemical reactions occur. The casing 22 may contain one or more electrode assemblies 23. The electrode assembly 23 is mainly formed by winding or stacking positive and negative electrode sheets, and typically a separator is provided between the positive and negative electrode sheets. The portions of the positive and negative electrode sheets containing active material constitute the main body of the electrode assembly 23, while the portions of the positive and negative electrode sheets without active material each constitute a tab. The positive and negative tabs may be located together at one end of the main body or separately at both ends of the main body. During the charging and discharging process of the battery, the positive and negative active materials react with the electrolyte, and the tabs connect to the electrode terminals to form a current loop.

[0055] Please refer to Figures 4 to 6 The battery device 100 provided in this application embodiment includes a battery cell assembly and an output electrode protection structure 30.

[0056] Electrical connectors are electrically connected to individual battery cells to enable the transfer of electrical energy between the individual battery cells.

[0057] The output protection structure 30 includes a base 31 and a protective cover 32 hinged to the base 31. The electrical connector is disposed on the base 31. The protective cover 32 has a clearance groove 30a, which is used to allow the power connector to be installed on the base 31.

[0058] The output pole protection structure 30 also includes a protective member 33, which is slidably connected to the protective cover 32 to allow the clearance groove 30a to open or close. The protective cover 32 is provided with a sliding groove 30c1, and the protective member 33 is provided with a first protrusion structure 30b. The protective member 33 is slidably connected to the sliding groove 30c1 through the first protrusion structure 30b to allow the protective member 33 to slide within the sliding groove 30c1. The inner wall of the sliding groove 30c1 is provided with a second protrusion structure 30c2, which is used to abut against the first protrusion structure 30b to limit the protective member 33 from dislodging from the sliding groove 30c1.

[0059] Understandably, the output electrode protection structure 30 can be used to protect personnel from electric shock at the electrical connection points of electrical connectors. Furthermore, the output electrode protection structure 30 can also provide structural protection for electrical connectors, thereby improving the stability of power transmission. Specifically, the output electrode protection structure 30 is used to protect the input / output terminals of battery cell modules, or to protect the series and parallel connections between battery cell modules.

[0060] Electrical connectors can be structural components used to achieve series and parallel connections between individual battery cells, or structural components that enable the input / output of electrical energy into / out of battery cells. Specifically, electrical connectors can be conductive components that connect battery cells to a power distribution device, allowing the power distribution device to control the input or output of electrical energy into the battery cells. Optionally, electrical connectors can also be conductive components that connect two battery cells to increase the capacity of the battery device. Typically, electrical connectors may include a first electrical connector 35 and a second electrical connector 36, wherein the first electrical connector 35 is used for electrical connection to the battery cell, and the second electrical connector 36 is used for transmitting electrical energy. Specifically, the second electrical connector 36 can be electrically connected to a power distribution device, or the second electrical connector 36 can be electrically connected to another battery cell.

[0061] The base 31 is the base part of the output pole protection structure 30 and serves as the part for mounting electrical connectors. Typically, a connecting mechanism is set on the base 31 to pre-fix the electrical connectors. Then, the mounting mechanism 40 is used to install and cooperate with the connecting mechanism to fix the electrical connectors on the connecting mechanism. Therefore, space clearance is required during the process of fixing the electrical connectors on the base 31 by the mounting mechanism 40.

[0062] For example, the connection mechanism may include a connecting post 34 provided on the base 31. The connecting post 34 is used for the first electrical connector 35 and the second electrical connector 36 to pass through, and is adapted to the mounting mechanism 40 to lock the first electrical connector 35 and the second electrical connector 36 together. The mounting mechanism 40 is a mechanism that matches the connecting post 34. For example, the mounting mechanism 40 may be a mounting sleeve, a mounting column, etc. Alternatively, the connection mechanism may also include a nut portion provided on the base 31. In this case, both the first and second electrical connectors have mounting holes that correspond to the nut portion. Then, the mounting mechanism 40 is provided with fasteners such as screws and pins that are adapted to the nut portion. After the electrical connectors are fixedly connected to the base using the mounting mechanism 40, the mounting mechanism 40 is removed from the battery device.

[0063] The protective cover 32 is the cover part of the output electrode protection structure 30. The protective cover 32 covers the base 31 and encloses the connection between the first electrical connector 35 and the second electrical connector 36 to achieve the function of protecting personnel from electric shock. The protective cover 32 and the base 31 are connected by a hinge. For example, a pivot can be provided on one of the protective cover 32 and the base 31, and a hole structure that rotatably engages with the pivot can be provided on the other. Alternatively, the protective cover 32 and the base 31 can be hinged together by a hinge structure.

[0064] The protective component 33 is the protective part in the output electrode protection structure 30. Because the protective cover 32 has a clearance groove 30a, it allows the protective cover 32 to avoid the mounting mechanism 40 when it is flipped open relative to the base 31, reducing structural interference between the mounting mechanism 40 and the protective cover 32 when it is installed and fitted with the connecting post 34. When the protective cover 32 is closed relative to the base 31, the clearance groove 30a is open, and the protective component 33 seals the clearance groove 30a, making it difficult for personnel to touch the locking connection between the first electrical connector 35 and the second electrical connector 36 through the clearance groove 30a. Here, the structural form of the protective component 33 includes, but is not limited to, a plate-like structure, a sheet-like structure, a block-like structure, and a columnar structure.

[0065] The protective component 33 and the protective cover 32 can be slidably connected through the sliding fit between the sliding part and the sliding mating part.

[0066] The structural forms of the sliding part and the sliding fit part can be as follows: The sliding part includes a protruding structure on the protective member 33, which extends along the sliding direction. The sliding mating part includes a groove structure formed on the protective cover 32. The protruding structure and the groove structure are slidably adapted to each other to achieve relative sliding between the protective member 33 and the protective cover 32. Of course, when the overall thickness of the protective member 33 is relatively thick, it is also possible to provide a groove structure on the protective member 33 and a protruding structure on the protective cover 32.

[0067] The sliding part includes a slider disposed on the protective member 33, and the sliding engagement part includes a slide rail disposed on the protective cover 32. The relative sliding between the protective member 33 and the protective cover 32 is achieved by utilizing the sliding engagement between the slider and the slide rail. Of course, the positions of the slider and the slide rail can be interchanged.

[0068] The groove 30c1 can be formed by the inward recess of the surface of the protective cover 32. Depending on the position of the groove opening, it can be divided into a single-opening groove or an open-mouth groove.

[0069] The first protruding structure 30b is a structure that protrudes from the surface of the protective member 33. The outer contour of the first protruding structure 30b can be adapted to the cross-sectional shape of the groove 30c1. For example, if the cross-sectional shape of the groove 30c1 can be circular, square, semi-circular, etc., then the outer contour of the first protruding structure 30b can be arc-shaped or square, etc. Of course, the outer contour of the first protruding structure 30b can also be unsuitable for the cross-sectional shape of the groove 30c1. For example, if the cross-sectional shape of the groove 30c1 is square, the outer contour of the first protruding structure 30b can be arc-shaped or spherical, etc.

[0070] Furthermore, the sliding connection of the protective component 33 to the slide groove 30c1 via the first protrusion structure 30b can be understood as a continuous sliding process, meaning that the sliding of the protective component 33 relative to the protective cover 32 is smooth. In this case, the fit between the first protrusion structure 30b and the slide groove 30c1 is a clearance fit. Alternatively, the sliding connection of the protective component 33 to the slide groove 30c1 via the first protrusion structure 30b can also be understood as a discontinuous sliding process, meaning that the sliding of the protective component 33 relative to the protective cover 32 is intermittent or paused, and may even require external force to cause relative sliding. In this case, the fit between the first protrusion structure 30b and the slide groove 30c1 is an interference fit.

[0071] The second protruding structure 30c2 is a structure that protrudes outward from the inner wall of the groove 30c1. The structural form of the second protruding structure 30c2 includes, but is not limited to, protruding pillars, protruding points, and protruding edges. The function of the second protruding structure 30c2 is to abut against the first protruding structure 30b, and to limit the sliding of the protective member 33 relative to the groove 30c1, so that the relative positional relationship between the protective member 33 and the protective cover 32 can be maintained. At the same time, the second protruding structure 30c2 abutting against the first protruding structure 30b can be understood as follows: under the condition of no external force or small external force, the second protruding structure 30c2 acts as a block for the first protruding structure 30b. At this time, the first protruding structure 30b cannot continue to slide relative to the first protruding structure 30b in the sliding direction. However, when the external force increases, the first protruding structure 30b can break through the blocking limitation of the second protruding structure 30c2, and at this time, the first protruding structure 30b can continue to slide in the sliding direction.

[0072] For example, when multiple second protrusions 30c2 are provided at intervals in the groove extension direction of the slide 30c1, that is, by providing second protrusions 30c2 at different positions in the slide 30c1, the suspension position between the protective member 33 and the protective cover 32 can be different, thereby changing the opening range of the clearance groove 30a.

[0073] In the battery device provided in this application embodiment, when the second electrical connector 36 and the first electrical connector 35 are locked together, the protective cover 32 is hinged and flipped open relative to the base 31 to expose the connection between the first electrical connector 35 and the second electrical connector 36, so that the mounting mechanism 40 can extend in to perform the connection operation. Since the protective member 33 is movably connected to the protective cover 32, the clearance groove 30a is opened, so the mounting mechanism 40 can pass through the clearance groove 30a, thereby reducing the probability of structural interference with the protective cover 32. After the first electrical connector 35 and the second electrical connector 36 are locked together, the protective cover 32 is repositioned on the base 31 to protect the connection between the two. At this time, the protective member 33 is movable relative to the protective cover 32, so that the clearance groove 30a is temporarily closed to reduce the probability of accidental contact by personnel, thereby improving the personnel electric shock protection level of the output electrode protection structure 30.

[0074] In some embodiments, in the first direction X, the mounting mechanism 40 is mounted and cooperates with the connecting column 34, and the orthographic projection of the mounting mechanism 40 falls within the orthographic projection of the clearance groove 30a.

[0075] Understandably, the installation mechanism 40 engaging with the connecting column 34 along the first direction X means that the installation mechanism 40 is transported or conveyed along the first direction X to the connecting column 34 for installation. Therefore, the first direction X should be the extension direction of the central axis or center line of the connecting column 34. For example, if the extension direction of the central axis of the connecting column 34 is perpendicular to the plane where the base 31 is located, then the first direction X should also be perpendicular or approximately perpendicular to the plane where the base 31 is located. Especially when the installation mechanism 40 is installed with the connecting column 34 in an automated manner, the first direction X can be set as the movement direction of automated equipment such as robotic arms or transmission mechanisms.

[0076] Furthermore, in the first direction X, the orthographic projection of the mounting mechanism 40 should fall within the orthographic projection of the clearance groove 30a. That is, in the first direction X, the orthographic projection of the clearance groove 30a should be greater than or much greater than the orthographic projection of the mounting mechanism 40. Therefore, when the mounting mechanism 40 is installed and cooperates with the connecting post 34 in the first direction X, it can avoid the protective cover 32 through the clearance groove 30a.

[0077] By adopting the above technical solution, the orthographic projection of the avoidance groove 30a in the first direction X is satisfied so that the orthographic projection of the installation mechanism 40 falls into it, thereby achieving the avoidance effect.

[0078] In some embodiments, the first protrusion structure 30b and the groove wall of the groove 30c1 are in an interference fit.

[0079] Understandably, the interference fit between the first protrusion structure 30b and the groove wall of the slide 30c1 means that there is no gap or a small gap between the surface of the first protrusion structure 30b and the groove wall of the slide 30c1, so that the sliding of the protective part 33 in the slide 30c1 is intermittent or paused, and even requires external force to drive the two to slide relative to each other.

[0080] By adopting the above technical solution, the first protrusion structure 30b and the slide groove 30c1 are interference-fitted, so that the protective part 33 can be stably suspended in the slide groove 30c1, thereby realizing stepless adjustment of the opening range of the clearance groove 30a.

[0081] In some embodiments, the first protrusion structure 30b and the groove opening of the slide groove 30c1 are in an interference fit.

[0082] Understandably, the groove opening of the slide 30c1 should be an opening structure in which the protective part 33 slides in or out. The fit relationship between the first protrusion structure 30b and the groove opening of the slide 30c1 is an interference fit, which means that the first protrusion structure 30b is difficult to disengage from the groove opening of the slide 30c1 when it slides in the slide 30c1, or it is difficult to disengage from the groove opening of the slide 30c1.

[0083] By adopting the above technical solution, the first protrusion structure 30b cannot be dislodged from the groove opening of the slide groove 30c1, so that the protective component 33 always maintains a sliding connection with the protective cover 32 throughout the entire sliding process.

[0084] Please refer to Figure 7 In some embodiments, the number of first protrusion structures 30b is at least two, and each first protrusion structure 30b is provided at intervals on the protective member 33 along the extension direction of the protective member 33. The number of second protrusion structures 30c2 is at least four, and each pair of second protrusion structures 30c2 is a group and arranged opposite to each other. Furthermore, each group of second protrusion structures 30c2 is arranged at intervals along the groove extension direction of the slide groove 30c1.

[0085] Understandably, the number of the first protrusion structure 30b can be two, three, four, etc., and similarly, the number of the second protrusion structure 30c2 can be four, six, eight, etc.

[0086] For example, such as Figure 7 and Figure 8As shown, there are two first protrusions 30b, each of which is spaced apart on the protective member 33 along its extension direction. There are four second protrusions 30c2, with each pair forming a group and arranged opposite each other. Each group of second protrusions 30c2 is spaced apart along the groove extension direction of the slide groove 30c1. In this case, the first protrusion 30b furthest from the groove opening of the slide groove 30c1 is defined as the first protrusion 30b at the starting position, and the first protrusion 30b closest to the groove opening of the slide groove 30c1 is defined as the first protrusion 30b at the ending position. Similarly, the first protrusion 30b furthest from the groove opening of the slide groove 30c1 is defined as... A set of second protruding structures 30c2 is the second protruding structure 30c2 at the starting position, and the set of second protruding structures 30c2 closest to the groove opening of the slide groove 30c1 is the second protruding structure 30c2 at the ending position. When the first protruding structure 30b at the starting position abuts against the set of second protruding structures 30c2 at the starting position, the protective member 33 can be mostly housed in the slide groove 30c1, and the clearance groove 30a is in the open state to the maximum extent. When the first protruding structure 30b at the starting position abuts against the set of second protruding structures 30c2 at the ending position, the protective member 33 can be mostly extended out of the slide groove 30c1, and the clearance groove 30a is in the closed state to the maximum extent.

[0087] By adopting the above technical solution, multiple first protrusion structures 30b are used to abut and cooperate with each group of second protrusion structures 30c2 to achieve multi-level sliding cooperation between the protective component 33 and the protective cover 32 during the relative sliding process, so as to satisfy the adjustable size of the opening of the clearance groove 30a.

[0088] Please refer to Figure 4 , Figure 9 and Figure 10 In some embodiments, the base 31 includes a seat body 311 and a support arm 312 disposed on the base. The seat body 311 is provided with a connecting post 34. The protective cover 32 includes a cover body 321 and a transition post 322 disposed on the cover body 321. The support arm 312 is provided with a transition hole 313. Each transition post 322 is hinged in the corresponding transition hole 313.

[0089] Understandably, the base 311 is the main body of the base 31, the support arm 312 is the structure that rotatably connects the base 31 and the protective cover 32, and the connecting column 34 is provided on the base 311 so that it can be installed and cooperated with the mounting mechanism 40 when the protective cover 32 is flipped open relative to the base 311.

[0090] The cover 321 is the main part of the protective cover 32, and the adapter post 322 is a structure that is rotatably connected to the support arm 312.

[0091] For example, such as Figure 9 and Figure 10 As shown, the adapter pins 322 are arranged facing each other on the cover 321, and the central axes of the two adapter pins 322 coincide. Meanwhile, the support arm 312 is provided with an adapter hole 313 for hinged connection of the adapter pins 322. In the specific installation process, one adapter pin 322 is first inserted into the adapter hole 313 of the corresponding support arm 312, and then the other adapter pin 322 is inserted into the adapter hole 313 of the other support arm 312.

[0092] By adopting the above technical solution, the adapter post 322 is hinged to the adapter hole 313 on the support arm 312 to realize the flipping and opening of the cover 321 relative to the seat 311.

[0093] Please refer to Figure 4 , Figure 9 and Figure 10 In some embodiments, the support arm 312 is provided with a first groove structure 314, and the cover 321 is provided with a first snap-fit ​​structure 323. The first snap-fit ​​structure 323 rotates with the cover 321 relative to the seat 311 to snap into the first groove structure 314.

[0094] Understandably, the first groove structure 314 can be formed by protruding ribs from the surface of the support arm 312, with a groove structure formed between the two ribs. The first snap-fit ​​structure 323 can be formed by snap-fit ​​arms, snap-fit ​​protrusions, etc., provided on the cover 321.

[0095] The first snap-fit ​​structure 323 rotates hingedly with the cover 321 relative to the seat 311. That is, the end of the first snap-fit ​​structure 323 away from the cover 321 rotates circumferentially around the first groove structure 314 until the first snap-fit ​​structure 323 is snapped into contact with the first groove structure 314. At this time, the cover 321 is suspended relative to the seat 311 to maintain a state of relative rotation and opening with the seat 311, so that the mounting mechanism 40 can be installed and matched with the connecting post 34 along the first direction X. After the first electrical connector 35 and the second electrical connector 36 are connected, a force is applied to the cover 321 to disengage the first snap-fit ​​structure 323 from the first groove structure 314, so that the cover 321 covers the seat 311.

[0096] By adopting the above technical solution, the first snap-fit ​​structure 323 is snapped into the first groove structure 314, so that the cover 321 can be stably kept suspended when it is flipped open relative to the seat 311.

[0097] Please refer to Figure 4 , Figure 9 and Figure 10In some embodiments, the protective cover 32 further includes an extension arm 324 spaced apart on the cover body 321, the extension arm 324 is provided with a second groove structure 325, and the seat body 311 is provided with a second snap-fit ​​structure 315 that engages with the corresponding second groove structure 325. A clearance groove 30a is formed between the two extension arms 324, and a protective member 33 is slidably connected to the cover 321 between the two extension arms 324.

[0098] Understandably, the second groove structure 325 can be an open groove formed on the extension arm 324, and the second snap-fit ​​structure 315 can be a snap-fit ​​protrusion, snap-fit ​​arm, etc. provided on the seat 311.

[0099] When the cover 321 is closed relative to the base 311, the two extendable arms 324 engage with the second engaging structure 315 on the base 311 to improve the stability of the cover 321 on the base 311. At the same time, a clearance groove 30a is formed between the two extendable arms 324, and the output electrode protection electrode slides telescopically between the two extendable arms 324 to open or close the clearance groove 30a.

[0100] By adopting the above technical solution, the second snap-fit ​​structure 315 and the second groove structure 325 are snap-fitted together to achieve the locking of the cover 321 and the seat 311.

[0101] Please refer to Figure 9 In some embodiments, the end of the extended arm 324 away from the cover 321 is provided with a bent portion 326, which bends in a direction away from the seat 311.

[0102] Understandably, the bending portion 326 is the force-bearing part that protrudes outward from the end of the extending arm 324 away from the cover 321. The structural form of the bending portion 326 can be a bent arm formed on the extending arm 324, and the extension direction of the bent arm is at an angle to the extension direction of the extending arm, thereby forming a lever structure or a lever-like structure.

[0103] By adopting the above technical solution, the bending part 326 is used as a lever structure, so that the extension arm 324 can be more easily disengaged from the second snap-fit ​​structure 315.

[0104] Please refer to Figure 10 In some embodiments, the base 311 is further provided with a mounting portion 316, the mounting portion 316 including a third snap-fit ​​structure 3161 protruding from the base 311, and the battery device 100 includes a reinforcing member (not shown in the figure), the reinforcing member having a third groove structure (not shown in the figure) that cooperates with the third snap-fit ​​structure 3161.

[0105] Understandably, the mounting part 316 is designed to be adapted to the reinforcing member so that the base 311 can be connected to the battery device 100.

[0106] The reinforcing member is a part used to connect and mate with the mounting part 316. The reinforcing member can be used to strengthen the overall structural strength of the housing 10 of the battery device 100 or the battery cell assembly. For example, the reinforcing member can be a component of the housing 10 of the battery device 100, such as a side beam, expansion beam, etc., to separate and form the receiving space for accommodating the battery cell assembly.

[0107] For example, the reinforcement includes beam structures on the housing 10. The beam structures enhance the structural strength of the housing 10 and resist the expansion and deformation of the battery cell assembly. The number of beam structures can be at least two. The battery cell assembly may include multiple battery cells 20 arranged in a stacked configuration, with the two beam structures spaced apart between each battery cell assembly.

[0108] Alternatively, for example, the reinforcement can also be an end plate disposed on one side of the battery cell assembly. Two end plates can be provided, each disposed on opposite sides of the battery cell assembly along the stacking direction. This end plate is used to abut against the large surface of the outermost battery cell 20 of the battery cell assembly along the stacking direction.

[0109] The third snap-fit ​​structure 3161 can be in the form of a plug-in block, a plug-in post, a snap-fit ​​block, etc., and the third groove structure can be in the form of a wedge groove, a plug-in hole, a snap-fit ​​groove, etc.

[0110] By adopting the above technical solution, the third snap-fit ​​structure 3161 and the third slot structure are snap-fitted together, so that the output pole protection structure 30 can be quickly installed and removed from the housing 10.

[0111] Please refer to Figures 4 to 11 In one specific embodiment, the battery device 100 includes a battery cell assembly, an output electrode protection structure 30, and a housing 10.

[0112] The output protection structure 30 includes a base 31 and a protective cover 32 hinged to the base 31. A connecting post 34 is provided on the base 31 for a first electrical connector 35 and a second electrical connector 36 to pass through. The first electrical connector 35 is used to electrically connect to the battery cell assembly, and the second electrical connector 36 is used to transmit electrical energy. A clearance groove 30a is provided on the protective cover 32 for clearance when the power supply connector is installed on the base 31. A protective member 33 is slidably connected to the protective cover 32 so that the clearance groove 30a can be opened or closed.

[0113] The protective component 33 is slidably connected to the protective cover 32. The protective cover 32 is provided with a sliding groove 30c1, and the protective component 33 is provided with a first protrusion structure 30b. The protective component 33 is slidably connected to the sliding groove 30c1 through the first protrusion structure 30b, so that the protective component 33 can slide within the sliding groove 30c1.

[0114] The inner wall of the slide groove 30c1 is provided with a second protrusion structure 30c2, which abuts against the first protrusion structure 30b to limit the protective member 33 from disengaging from the slide groove 30c1. There are two first protrusion structures 30b, which are spaced apart on the protective member 33 along the extension direction of the protective member 33. There are four second protrusion structures 30c2, which are arranged in pairs and opposite to each other. The second protrusion structures 30c2 in each pair are spaced apart along the extension direction of the slide groove 30c1.

[0115] The base 31 includes a seat body 311 and support arms 312 spaced apart on the base. The seat body 311 is provided with connecting posts 34. The protective cover 32 includes a cover body 321 and adapter posts 322 spaced apart on the cover body 321. The support arms 312 are provided with adapter holes 313. Each adapter post 322 is hinged in the corresponding adapter hole 313.

[0116] The support arm 312 has a first groove structure 314, and the cover 321 has a first snap-fit ​​structure 323. The first snap-fit ​​structure 323 rotates with the cover 321 relative to the seat 311 to snap into the first groove structure 314.

[0117] The protective cover 32 also includes extension arms 324 spaced apart on the cover body 321, the extension arms 324 having a second groove structure 325, the base body 311 having a second snap-fit ​​structure 315 that engages with the corresponding second groove structure 325; a clearance groove 30a is formed between the two extension arms 324, and the protective member 33 is slidably connected to the cover body 321 between the two extension arms 324.

[0118] The end of the extended arm 324 away from the cover 321 is provided with a bent part 326, which bends in the direction away from the seat 311.

[0119] The base 311 is also provided with a mounting part 316. The battery device 100 includes a reinforcing member. The mounting part 316 includes a third snap-fit ​​structure 3161 protruding from the base 311. The reinforcing member has a third groove structure that cooperates with the third snap-fit ​​structure 3161.

[0120] This application embodiment also provides an electrical device, including the battery device 100 as described above, the battery device 100 being used to provide electrical energy to the electrical device.

[0121] It is understood that the beneficial effects of the second aspect mentioned above can be found in the relevant descriptions in the first aspect mentioned above, and will not be repeated here.

[0122] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A battery device, characterized in that, include: Battery cell assembly; An electrical connector is electrically connected to the battery cell assembly to enable power transmission from the battery cell assembly. An output electrode protection structure includes a base and a protective cover hinged to the base. The electrical connector is disposed on the base, and the protective cover has a clearance groove for the electrical connector to make clearance when it is installed on the base. The output electrode protection structure further includes a protective member, which is slidably connected to the protective cover to open or close the clearance groove; the protective cover is provided with a sliding groove, and the protective member is provided with a first protrusion structure. The protective member is slidably connected to the sliding groove through the first protrusion structure to allow the protective member to slide within the sliding groove; the inner wall of the sliding groove is provided with a second protrusion structure, which abuts against the first protrusion structure to limit the protective member from dislodging from the sliding groove.

2. The battery device according to claim 1, characterized in that, The first protruding structure is in an interference fit with the groove wall.

3. The battery device according to claim 2, characterized in that, The first protrusion structure is in an interference fit with the groove opening of the slide.

4. The battery device according to claim 1, characterized in that, The number of the first protrusion structure is at least two, and each of the first protrusion structures is provided on the protective member at intervals along the extension direction of the protective member. The number of the second protrusion structure is at least four, and each pair of second protrusion structures is arranged in a group and opposite to each other. Furthermore, the second protrusion structures in each group are arranged at intervals along the groove extension direction of the slide.

5. The battery device according to any one of claims 1 to 4, characterized in that, The base includes a base body and a support arm disposed on the base body. The electrical connector is disposed on the base body. The protective cover includes a cover body and a transition post disposed on the cover body. The support arm has a transition hole, and each transition post is hinged to the corresponding transition hole.

6. The battery device according to claim 5, characterized in that, The support arm has a first groove structure, and the cover has a first snap-fit ​​structure. The first snap-fit ​​structure can rotate with the cover relative to the base to snap into the first groove structure.

7. The battery device according to claim 5, characterized in that, The protective cover also includes protruding arms spaced apart on the cover body, the protruding arms having a second groove structure, and the base having a second snap-fit ​​structure that engages with the corresponding second groove structure; The clearance groove is formed between the two extended arms, and the protective member is slidably connected to the cover between the two extended arms.

8. The battery device according to claim 7, characterized in that, The end of the extended arm away from the cover is provided with a bent portion, which bends in a direction away from the base.

9. The battery device according to claim 5, characterized in that, The base is also provided with a mounting part, the mounting part including a third snap-fit ​​structure protruding from the base, the battery device including a reinforcing member, the reinforcing member abutting against at least one end of the battery cell assembly, and the reinforcing member having a third groove structure that cooperates with the third snap-fit ​​structure.

10. An electrical appliance, characterized in that: Includes the battery device as described in any one of claims 1 to 9, the battery device being used to supply power to the electrical device.

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