Battery device, manual maintenance switch and electric equipment

Abstract

The utility model relates to the technical field of battery production, in particular to a battery device, a manual maintenance switch and electric equipment. The battery device comprises a battery box body, a single battery and a manual maintenance switch, the single battery is arranged in the battery box body, the manual maintenance switch is connected with the battery box body, the manual maintenance switch comprises a fuse, an overcurrent part, a connecting assembly and a vibration reduction part, the overcurrent part and the fuse are attached and are arranged in a mutually conductive mode, the connecting assembly is connected with the fuse and the overcurrent part, and the vibration reduction part is connected with the overcurrent part. At least one of the fuse, the overflowing piece and the connecting assembly is provided with a vibration reduction piece, and the vibration reduction piece comprises a rubber ring. According to the battery device provided by the embodiment of the invention, the vibration reduction part is additionally arranged in the manual maintenance switch, and the vibration reduction part is arranged on at least one of the fuse, the overflowing part and the connecting assembly, so that the vibration of at least one of the fuse, the overflowing part and the connecting assembly can be reduced through the vibration reduction part, and the probability of breakage of the fuse is reduced.

Description

Technical Field

[0001] The present application relates to the technical field of battery production, and in particular to a battery device, a manual maintenance switch and an electrical device. Background Art

[0002] This section merely provides background information related to the present disclosure and is not necessarily prior art.

[0003] As new energy technologies become increasingly mature, new energy vehicles and other electrical equipment are gradually entering the public eye. The core technology of new energy vehicles lies in the battery device, and the safety and stability of the battery device directly determine the performance of the entire vehicle.

[0004] The battery device usually includes a battery box and a manual maintenance switch, wherein the manual maintenance switch is arranged on the battery box, and the manual maintenance switch includes a fuse, an overcurrent component and a connecting component, wherein the connecting component connects the fuse and the overcurrent component, and the fuse is prone to breakage. Utility Model Content

[0005] In view of the above problems, the present application provides a battery device, a manual maintenance switch and an electrical device, which solve the problem that the battery device in the prior art is prone to fuse breakage.

[0006] A first aspect of an embodiment of the present application provides a battery device, the battery device comprising a battery box, a battery cell and a manual maintenance switch, the battery cell is arranged in the battery box, the manual maintenance switch is connected to the battery box, and the manual maintenance switch comprises:

[0007] Fuse;

[0008] The over-current component is attached to the fuse and is electrically conductive to each other;

[0009] A connection assembly, the connection assembly connecting the fuse and the overcurrent device; and

[0010] A vibration damping member is provided on at least one of the fuse, the current-transmitting member and the connecting assembly, and the vibration damping member comprises a rubber ring.

[0011] The battery device of the embodiment of the present application, by adding a vibration damping member in the manual maintenance switch and arranging the vibration damping member on at least one of the fuse, the overcurrent member and the connecting assembly, can reduce the vibration of at least one of the fuse, the overcurrent member and the connecting assembly through the vibration damping member, thereby reducing the probability of the fuse breaking.

[0012] In some embodiments of the present application, the connection assembly includes a bolt and a nut, the nut and the bolt are threadedly connected, and at least one of the bolt and the nut is provided with a vibration damping member.

[0013] In the embodiment of the present application, the connection assembly includes a bolt and a nut that are threadedly connected, and at least one of the bolt and the nut is provided with a vibration damper. The vibration damper provided on the bolt and / or the nut can reduce the vibration of the connection assembly, thereby reducing the vibration amplitude of the fuse and reducing the probability of the fuse breaking.

[0014] In some embodiments of the present application, the rubber ring is disposed on the nut.

[0015] In the embodiment of the present application, by sleeve-mounting the rubber ring on the nut, the vibration of the nut can be reduced by the rubber ring, so that the vibration of the fuse can be reduced by the connecting assembly, thereby reducing the probability of the fuse breaking.

[0016] In some embodiments of the present application, the manual maintenance switch further includes a blocking piece, which is sleeved on the circumferential outer side of the rubber ring, and the blocking piece is threadedly connected to the bolt.

[0017] In the embodiment of the present application, a sealing member is provided which is sleeved on the circumferential outer side of the rubber ring, and the sealing member is threadedly connected to the bolt. The sealing member can be used to seal and fix the rubber ring, thereby reducing the probability of the rubber ring falling off the nut.

[0018] In some embodiments of the present application, the blocking member is provided with a connecting hole along the axial direction of the bolt, and the connecting hole is at least used to accommodate the vibration damping member.

[0019] In the embodiment of the present application, a connecting hole is provided in the sealing member along the axial direction of the bolt, and the connecting hole is at least used to accommodate the vibration damping member. The vibration damping member can be accommodated through the connecting hole of the sealing member, thereby sealing the vibration damping member through the sealing member, thereby reducing the probability of the vibration damping member falling off the nut.

[0020] In some embodiments of the present application, the connecting hole includes a first accommodating hole and a second accommodating hole that are interconnected, the first accommodating hole is used to accommodate the vibration damping component, the second accommodating hole is used to accommodate the screw of the bolt, and the second accommodating hole is threadedly connected to the screw.

[0021] In the embodiment of the present application, the connection hole includes a first accommodating hole and a second accommodating hole which are interconnected, the first accommodating hole is used to accommodate the vibration damping part, the second accommodating hole is used to accommodate the screw of the bolt, and the second accommodating hole is threadedly connected to the screw, thereby realizing the connection between the screw and the blocking part and reducing the probability of the blocking part falling off.

[0022] In some embodiments of the present application, the manual maintenance switch further includes a limit member, which is disposed on the circumferential outer side of the blocking member.

[0023] In the embodiment of the present application, by disposing a limiting member on the circumferential outer side of the blocking member, the blocking member can be limited by the limiting member, thereby reducing the probability of the blocking member vibrating significantly.

[0024] In some embodiments of the present application, there is a gap between the limiting member and the blocking member.

[0025] In the embodiment of the present application, by setting a gap between the limiter and the blocking member, the blocking member can vibrate within the range defined by the gap, thereby reducing the probability of the blocking member vibrating significantly, thereby protecting the fuse and reducing the probability of the fuse breaking.

[0026] In some embodiments of the present application, the interval is in the range of 2 mm to 5 mm.

[0027] In the embodiment of the present application, by setting the interval within the range of 2 mm to 5 mm, the range of the interval can be limited according to the vibration amplitude of the blocking member, thereby reducing the probability of contact between the blocking member and the limiting member.

[0028] In some embodiments of the present application, the limiting component includes an insulating injection-molded component.

[0029] In the embodiment of the present application, the limiting component includes an insulating injection molded component, which can facilitate the processing of the limiting component, reduce the production cost of the limiting component, and simplify the production process of the limiting component.

[0030] In some embodiments of the present application, the manual maintenance switch further includes a first shell and a second shell that are arranged opposite to each other, and part of the fuse is arranged in a space enclosed by the first shell and the second shell.

[0031] The embodiments of the present application provide a first shell and a second shell that are arranged relatively to each other, and provide part of the fuse in the space enclosed by the first shell and the second shell. Thus, the first shell and the second shell can be used to protect part of the fuse and isolate part of the fuse, thereby reducing the probability of the current flowing through the fuse directly contacting the human body.

[0032] In some embodiments of the present application, the battery box includes a first box and a second box, and the manual maintenance switch is connected to the first box or the second box.

[0033] The embodiment of the present application can realize the installation of the manual maintenance switch by setting a first box body and a second box body, and connecting the manual maintenance switch to the first box body or the second box body, thereby facilitating the electrical connection of the manual maintenance switch to the high-voltage system of the battery device and realizing control of the circuit of the high-voltage system.

[0034] A second aspect of an embodiment of the present application provides a manual maintenance switch, the manual maintenance switch comprising:

[0035] Fuse;

[0036] The over-current component is attached to the fuse and is electrically conductive to each other;

[0037] A connection assembly, the connection assembly connecting the fuse and the overcurrent device; and

[0038] A vibration damping member is provided on at least one of the fuse, the current-transmitting member and the connecting assembly, and the vibration damping member comprises a rubber ring.

[0039] A third aspect of the embodiments of the present application provides an electric device, which includes the battery device mentioned in the above embodiments, and the battery device is used to supply power to the electric device.

[0040] 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

[0041] Various other advantages and benefits will become apparent to those of ordinary skill in the art by reading the detailed description of the preferred embodiments below. The accompanying drawings are only for the purpose of illustrating the preferred embodiments and are not to be considered as limiting the present application. Moreover, the same reference numerals are used throughout the accompanying drawings to represent the same components. In the accompanying drawings:

[0042] Figure 1 A schematic diagram of the structure of an electrical device provided in some embodiments of the present application;

[0043] Figure 2 A schematic diagram of the structure of a battery device provided in some embodiments of the present application;

[0044] Figure 3 Another schematic diagram of the structure of a battery device provided in some embodiments of the present application;

[0045] Figure 4 for Figure 3 A three-dimensional structural schematic diagram of a manual maintenance switch of a battery device shown in ;

[0046] Figure 5 for Figure 4 A schematic diagram of the structure of the manual maintenance switch of the battery device shown in the second viewing angle;

[0047] Figure 6 for Figure 4 A schematic diagram of the structure of the manual maintenance switch of the battery device shown in FIG. 1 is in a third viewing angle;

[0048] Figure 7 for Figure 6 A schematic cross-sectional view of the manual maintenance switch of the battery device shown in FIG. 1 along the AA cross section;

[0049] Figure 8for Figure 7 Schematic diagram of the structure of the blocking member of the manual maintenance switch shown in.

[0050] The reference numerals are as follows:

[0051] 1000, vehicle; 100, battery device; 200, controller; 300, motor;

[0052] 10. Battery cells;

[0053] 20. Battery box; 21. First box; 22. Second box; 23. Accommodating cavity;

[0054] 30. Manual maintenance switch; 31. Fuse; 32. Current-passing member; 33. Connecting assembly; 331. Bolt; 3311. Head; 3312. Screw; 332. Nut; 34. Vibration-damping member; 35. Blocking member; 351. Connecting hole; 3511. First accommodating hole; 3512. Second accommodating hole; 36. Position-limiting member; 37. First housing; 38. Second housing;

[0055] XX. Length direction of the manual maintenance switch;

[0056] YY, width direction of manual maintenance switch;

[0057] ZZ, height direction of manual maintenance switch. DETAILED DESCRIPTION

[0058] The following embodiments of the technical solution of the present application are described in detail in conjunction with the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application, and are therefore only used as examples, and cannot be used to limit the scope of protection of the present application.

[0059] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which this application belongs; the terms used herein 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 figure descriptions and any variations thereof are intended to cover non-exclusive inclusions.

[0060] In the description of the embodiments of the present application, the technical terms "first", "second", etc. are only used to distinguish different objects, and cannot be understood as indicating or implying relative importance or implicitly indicating the number, specific order or primary and secondary relationship of the indicated technical features. In the description of the embodiments of the present application, the meaning of "multiple" is more than two, unless otherwise clearly and specifically defined.

[0061] Reference to "embodiments" herein means that a particular feature, structure, or characteristic described in conjunction with the embodiments may be included in at least one embodiment of the present application. The appearance of the phrase in various locations 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. It is explicitly and implicitly understood by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0062] In the description of the embodiments of the present application, the term "and / or" is only a description of the association relationship of the associated objects, indicating that there may 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 article generally indicates that the associated objects before and after are in an "or" relationship.

[0063] In the description of the embodiments of the present application, the term "multiple" refers to more than two (including two). Similarly, "multiple groups" refers to more than two groups (including two groups), and "multiple pieces" refers to more than two pieces (including two pieces).

[0064] In the description of the embodiments of the present application, the technical terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial" and "circumferential" etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the embodiments of the present application.

[0065] In the description of the embodiments of the present application, unless otherwise clearly specified and limited, technical terms such as "installed", "connected", "connected" and "fixed" 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 mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.

[0066] At present, from the perspective of market development, the application of battery devices is becoming more and more extensive. Battery devices 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. With the continuous expansion of the application field of battery devices, the market demand is also constantly expanding.

[0067] The battery device involved in the embodiment of the present application can be used in, but not limited to, electrical equipment such as vehicles, ships or aircraft. The battery device comprising the battery cells, battery devices, etc. involved in the present application can be used.

[0068] In the embodiments of the present application, the electrical equipment using the battery device as the power source may be, but is not limited to, mobile phones, tablets, laptop computers, electric toys, electric tools, battery cars, electric cars, ships, spacecraft, etc. Among them, the electric toys may include fixed or mobile electric toys, such as game consoles, electric car toys, electric ship toys, and electric airplane toys, etc., and the spacecraft may include airplanes, rockets, space shuttles, and spacecraft, etc.

[0069] It should be understood that the technical solutions described in the embodiments of the present application are not limited to the battery devices and electrical equipment described above, but can also be applied to all batteries including a box and electrical equipment using the battery.

[0070] The battery apparatus mentioned in the embodiments of the present application may include one or more battery cell assemblies for providing voltage and capacity. The battery cell assembly may include multiple battery cells, which are connected in series, in parallel or in mixed connection through a busbar component.

[0071] In some embodiments, a battery cell assembly is generally formed by arranging a plurality of battery cells.

[0072] As an example, the battery cell assembly may be a battery module, which is formed by arranging and fixing a plurality of battery cells to form an independent module. As an example, the battery module may be formed by bundling a plurality of battery cells by a cable tie.

[0073] In some embodiments, the battery device may be a battery pack, which includes a case and one or more battery cell assemblies, wherein the battery cell assemblies are accommodated in the case.

[0074] As an example, the battery cell assembly may be a battery module, and the battery cell assembly may be accommodated in the box by fixing the battery module in the box.

[0075] As an example, the battery cell assembly may also be housed in the case by directly fixing a plurality of battery cells to the case.

[0076] As an example, the box may include a first box and a second box. The first box and the second box are buckled together to form a closed space inside the box to accommodate the battery cell assembly. The closed here means covered or closed, which can be sealed or unsealed. The first box can be a top cover or a bottom plate.

[0077] As an example, the box body 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 body to accommodate the battery cell assembly.

[0078] 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.

[0079] The battery cell includes an electrode assembly and an electrolyte. The electrode assembly is composed of a positive electrode sheet, a negative electrode sheet and a separator. The battery cell mainly relies on the movement of metal ions between the positive electrode sheet and the negative electrode sheet to work. The positive electrode sheet includes a positive electrode current collector and a positive electrode active material layer. The positive electrode active material layer is coated on the surface of the positive electrode current collector. The current collector not coated with the positive electrode active material layer protrudes from the current collector coated with the positive electrode active material layer. The current collector not coated with the positive electrode active material layer is stacked as a positive electrode tab. Taking lithium-ion batteries as an example, the material of the positive electrode current collector can be aluminum, and the positive electrode active material can be lithium cobalt oxide, lithium iron phosphate, ternary lithium or lithium manganese oxide. The negative electrode sheet includes a negative electrode current collector and a negative electrode active material layer. The negative electrode active material layer is coated on the surface of the negative electrode current collector. The current collector not coated with the negative electrode active material layer protrudes from the current collector coated with the negative electrode active material layer. The current collector not coated with the negative electrode active material layer is stacked as a negative electrode tab. The material of the negative electrode current collector can be copper, and the negative electrode active material can be carbon or silicon. The material of the isolation film may be PP (polypropylene) or PE (polyethylene), etc. In addition, the electrode assembly may be a winding structure or a stacked structure, but the embodiments of the present application are not limited thereto.

[0080] The technical solutions described in the embodiments of the present application are applicable to various electrical devices that use battery cells, such as mobile phones, portable devices, laptop computers, electric vehicles, electric toys, electric tools, vehicles, ships and spacecraft, for example, spacecraft include airplanes, rockets, space shuttles and spacecraft, etc.

[0081] A battery device usually includes a battery case and a manual maintenance switch, wherein the manual maintenance switch is arranged on the battery case. The manual maintenance switch can realize electrical isolation of the high-voltage system of the battery device and also play a role of short-circuit protection. The manual maintenance switch here includes a fuse, an overcurrent component and a connecting component, wherein the connecting component connects the fuse and the overcurrent component, which is prone to fuse breakage.

[0082] In order to solve this problem, the embodiment of the present application proposes a battery device, which includes a manual maintenance switch, the manual maintenance switch includes a fuse, an overcurrent component, a connecting assembly and a vibration damping component, the overcurrent component and the fuse are in contact and are electrically conductive to each other; the connecting assembly connects the fuse and the overcurrent component; and a vibration damping component is provided on at least one of the fuse, the overcurrent component and the connecting assembly. The battery device of the embodiment of the present application, by adding a vibration damping component to the manual maintenance switch and providing a vibration damping component on at least one of the fuse, the overcurrent component and the connecting assembly, can reduce the vibration of at least one of the fuse, the overcurrent component and the connecting assembly through the vibration damping component, thereby reducing the probability of the fuse breaking.

[0083] The battery device in the embodiment of the present application can be used on electrical equipment such as vehicles, and can also be installed on electrical equipment that requires the battery device to be installed in advance.

[0084] The structure in the embodiments of the present application will be described in detail below with reference to the accompanying drawings.

[0085] Combination Figure 1 As shown, the vehicle 1000 can be a fuel vehicle, a gas vehicle or a new energy vehicle, and the new energy vehicle can be a pure electric vehicle, a hybrid vehicle or an extended-range vehicle, etc. A battery device 100 is arranged inside the vehicle 1000, and the battery device 100 can be arranged at the bottom, head or tail of the vehicle 1000. The battery device 100 can be used to power the vehicle 1000, for example, the battery device 100 can be used as an operating power source for the vehicle 1000. The vehicle 1000 may also include a controller 200 and a motor 300, and the controller 200 is used to control the battery device 100 to power the motor 300, for example, for the starting, navigation and driving power requirements of the vehicle 1000.

[0086] In some embodiments of the present application, the battery device 100 can not only serve as an operating power source for the vehicle 1000, but also serve 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.

[0087] like Figure 2As shown, an embodiment of the present application further provides a battery device 100 , including a battery case 20 and a battery cell 10 . A receiving cavity 23 is provided in the battery case 20 , and the battery cell 10 is installed in the receiving cavity 23 .

[0088] In some embodiments, Figure 2 As shown, the battery case 20 may include a first case 21 and a second case 22, which cover each other, and the first case 21 and the second case 22 jointly define a receiving cavity 23 for accommodating the battery cell 10. The first case 21 and the second case 22 may both be hollow structures with one end open, and the second case 22 covers the open side of the first case 21, so that the first case 21 and the second case 22 jointly define a receiving space; the second case 22 may also be a plate-like structure, the first case 21 is a hollow structure with one side open, and the open side of the second case 22 covers the open side of the first case 21. Of course, the battery case 20 formed by the first case 21 and the second case 22 may be in a variety of shapes, such as a cylinder, a cuboid, etc.

[0089] The battery cell 10 may be a secondary battery or a primary battery, and may also be a lithium-sulfur battery, a sodium-ion battery or a magnesium-ion battery, but is not limited thereto. The battery cell 10 may be cylindrical, flat, rectangular or in other shapes.

[0090] Continue to refer to Figures 3 to 8 As shown, the battery device 100 includes a manual maintenance switch 30, which includes a fuse 31, an overcurrent member 32, a connecting assembly 33 and a vibration damping member 34. The overcurrent member 32 is in contact with the fuse 31 and is electrically conductive to each other. The connecting assembly 33 connects the fuse 31 and the overcurrent member 32. The vibration damping member 34 is provided on at least one of the fuse 31, the overcurrent member 32 and the connecting assembly 33.

[0091] Among them, the vibration damping member 34 here can be a vibration damping component, such as a component with a vibration damping function, or a vibration absorbing component that can absorb vibration. In addition, the fuse 31 here detects the magnitude of the current. When the current exceeds the specified value, the fuse 31 will melt, thereby cutting off the circuit and protecting the safe operation of electrical equipment and power systems. Therefore, the fuse 31 is usually called a fuse contact knife, which can be a metal part with conductive properties, such as copper alloy, aluminum alloy or silver alloy. In addition, the overcurrent member 32 here can realize stable and safe transmission of electrical energy, can withstand the passage of current, and can be a bar structure made of a metal part with conductive properties, such as copper alloy, aluminum alloy or silver alloy.

[0092] It should be added that the overcurrent member 32 and the fuse 31 are fitted and conductively arranged to each other, which means that there is a contact surface between the overcurrent member 32 and the fuse 31, so that the current of the fuse 31 is conveniently transferred to the high-voltage wire after passing through the overcurrent member 32, thereby realizing the flow of current. In addition, when the vibration damping member 34 is arranged on the fuse 31 or the overcurrent member 32, in order not to affect the overcurrent area of ​​the fuse 31 or the overcurrent member 32, the vibration damping member 34 can be directly connected to the surface of the fuse 31 or the overcurrent member 32, such as by bonding.

[0093] The battery device 100 of the embodiment of the present application, by adding a vibration damping member 34 to the manual maintenance switch 30, and arranging the vibration damping member 34 on at least one of the fuse 31, the overcurrent member 32 and the connecting assembly 33, can reduce the vibration of at least one of the fuse 31, the overcurrent member 32 and the connecting assembly 33 through the vibration damping member 34, thereby reducing the probability of the fuse 31 breaking.

[0094] Alternatively, if Figure 5 and 7 As shown, the connection assembly 33 includes a bolt 331 and a nut 332 . The nut 332 and the bolt 331 are threadedly connected, and at least one of the bolt 331 and the nut 332 is provided with a vibration damping member 34 .

[0095] The bolt 331 here has two parts: a head 3311 and a screw rod 3312, wherein at least part of the surface of the screw rod 3312 is provided with threads, and the nut 332 is threadedly connected to the screw rod 3312, so that the connection assembly 33 can connect the fuse 31 and the current-passing member 32. The nut 332 here can be an insert nut, wherein the insert nut is a component formed by embedding an insert with internal threads and knurling or other patterns on the outside in a plastic or other alloy product.

[0096] Specifically, the vibration damper 34 can be arranged on the bolt 331, such as the vibration damper 34 can be respectively arranged on the head 3311 and / or the screw 3312 of the bolt 331, or the vibration damper 34 can be only arranged on the nut 332, which can reduce the vibration of the connecting assembly 33, thereby reducing the vibration amplitude of the fuse 31 and reducing the probability of the fuse 31 breaking.

[0097] Alternatively, the connection assembly 33 may also adopt a pin structure or other connection structures, wherein the pin structure connects the fuse 31 and the current-passing member 32, and a vibration damper 34 is provided on the pin structure to achieve vibration damping of the pin structure, thereby reducing the vibration amplitude of the fuse 31. In the embodiment of the present application, the connection assembly 33 includes a threaded bolt 331 and a nut 332, and at least one of the bolt 331 and the nut 332 is provided with a vibration damper 34. Then, the vibration damper 34 provided on the bolt 331 and / or the nut 332 can achieve the effect of reducing the vibration of the connection assembly 33, thereby reducing the vibration amplitude of the fuse 31 and reducing the probability of the fuse 31 breaking.

[0098] In some embodiments of the present application, the vibration damper 34 includes a rubber ring, and the rubber ring is sleeved on the nut 332 .

[0099] The rubber ring can be made of rubber material, and the rubber ring can be annular in structure and sleeved on part or all of the side surfaces of the nut 332. Specifically, the rubber ring is arranged on the outer wall of the nut 332. It can be understood that the rubber ring here can be directly arranged on the outer wall of the nut 332, or a mounting groove for accommodating the rubber ring can be processed on the outer wall of the nut 332, so that the rubber ring is not easy to fall off from the outer wall of the nut 332.

[0100] In addition, the vibration damping member 34 here can also be made of other elastic materials, such as elastomeric plastics or elastic foam materials, which can deform when subjected to external impact or vibration, thereby absorbing and dissipating energy and reducing the transmission of vibration.

[0101] In the embodiment of the present application, the vibration damper 34 includes a rubber ring, and the rubber ring is sleeved on the nut 332. The rubber ring can reduce the vibration of the nut 332, so that the vibration of the fuse 31 can be reduced through the connecting component 33, thereby reducing the probability of the fuse 31 breaking.

[0102] Alternatively, if Figure 4 and Figure 7 As shown, the manual maintenance switch 30 further includes a blocking member 35 , which is sleeved on the circumferential outer side of the rubber ring, and the blocking member 35 is threadedly connected to the bolt 331 .

[0103] The blocking member 35 is a hollow cylindrical structure as a whole, part of the blocking member 35 is sleeved on the outer circumferential side of the rubber ring, and the blocking member 35 is threadedly connected to the screw rod 3312 of the bolt 331. The blocking member 35 can be made of metal, such as copper alloy or aluminum alloy.

[0104] It should be noted that, in a normal state, the sealing member 35 is usually covered with insulating materials such as plastic on the outside, and there is no risk of leakage.

[0105] In the embodiment of the present application, a sealing member 35 is provided which is sleeved on the circumferential outer side of the rubber ring, and the sealing member 35 is threadedly connected to the bolt 331 , so that the rubber ring can be sealed and fixed by the sealing member 35 , thereby reducing the probability of the rubber ring falling off the nut 332 .

[0106] In some embodiments of the present application, Figure 8 As shown, the blocking member 35 is provided with a connecting hole 351 along the axial direction of the bolt 331 , and the connecting hole 351 is at least used to accommodate the vibration damping member 34 .

[0107] It should be noted that the axial direction of the bolt 331 is consistent with the height direction of the manual maintenance switch 30, wherein the height direction of the manual maintenance switch 30 is Figure 4 In the ZZ direction, the length direction of the manual maintenance switch 30 is Figure 4 In the XX direction, the width direction of the manual maintenance switch 30 is Figure 4 The blocking member 35 is located on the upper side of the bolt 331 along the ZZ direction, and can block the vibration damping member 34 from above.

[0108] In the embodiment of the present application, a connecting hole 351 is provided in the sealing member 35 along the axial direction of the bolt 331, and the connecting hole 351 is at least used to accommodate the vibration damping member 34. The vibration damping member 34 can be accommodated through the connecting hole 351 of the sealing member 35, so that the vibration damping member 34 can be blocked by the sealing member 35, thereby reducing the probability of the vibration damping member 34 falling off the nut 332.

[0109] In some embodiments of the present application, Figure 8 As shown, the connection hole 351 includes a first accommodating hole 3511 and a second accommodating hole 3512 which are connected to each other. The first accommodating hole 3511 is used to accommodate the vibration damping member 34, and the second accommodating hole 3512 is used to accommodate the screw rod 3312 of the bolt 331, and the second accommodating hole 3512 is threadedly connected to the screw rod 3312.

[0110] The connection hole 351 here can be a through hole structure, which is set along the axial direction of the blocking member 35 and penetrates the blocking member 35, or it can be a blind hole structure, that is, the upper end of the blocking member 35 is closed. The first accommodating hole 3511 and the second accommodating hole 3512 here can be circular holes with different diameters, wherein the diameter of the first accommodating hole 3511 is larger than the diameter of the second accommodating hole 3512.

[0111] In the embodiment of the present application, the connection hole 351 includes a first accommodating hole 3511 and a second accommodating hole 3512 which are interconnected. The first accommodating hole 3511 is used to accommodate the vibration damping member 34, and the second accommodating hole 3512 is used to accommodate the screw rod 3312 of the bolt 331. The second accommodating hole 3512 is threadedly connected to the screw rod 3312. This can achieve connection between the screw rod 3312 and the blocking member 35, thereby reducing the probability of the blocking member 35 falling off.

[0112] Alternatively, if Figure 4 and Figure 8 As shown, the manual maintenance switch 30 further includes a limiting member 36 , which is disposed on the circumferential outer side of the blocking member 35 .

[0113] It should be noted that the limiting member 36 here can be a rectangular ring structure, which fully surrounds the circumference of the blocking member 35, or it can be a disconnected ring structure, which partially surrounds the circumference of the blocking member 35.

[0114] In the embodiment of the present application, by disposing a limiting member 36 on the circumferential outer side of the blocking member 35 , the limiting member 36 can be used to limit the blocking member 35 , thereby reducing the probability of the blocking member 35 vibrating significantly.

[0115] In some embodiments of the present application, Figure 7 As shown, there is a gap between the limiting member 36 and the blocking member 35 .

[0116] The gap between the limiting member 36 and the blocking member 35 means that the blocking member 35 is in a non-contact state with the limiting member 36 in a stable state, and the size of the gap can be set as needed, and can be set according to the vibration amplitude required by the blocking member 35.

[0117] In the embodiment of the present application, by setting a gap between the limit member 36 and the blocking member 35, the blocking member 35 can vibrate within the range defined by the gap, thereby reducing the probability of the blocking member 35 vibrating significantly, thereby protecting the fuse 31 and reducing the probability of the fuse 31 breaking.

[0118] Specifically, the interval is in the range of 2 mm to 5 mm, such as 3 mm, 4 mm, 4.5 mm or 5 mm, etc. When the vibration amplitude of the blocking member 35 is large, the interval can be set to be large, such as 5 mm, and when the vibration amplitude of the blocking member 35 is small, the interval can be set to be small, such as 2 mm.

[0119] In the embodiment of the present application, by setting the interval within the range of 2 mm to 5 mm, the range of the interval can be limited according to the vibration amplitude of the blocking member 35 , thereby reducing the probability of contact between the blocking member 35 and the limiting member 36 .

[0120] In some embodiments of the present application, the stopper 36 includes an insulating injection molded part. The stopper 36 is made of a plastic part with insulating properties. On the one hand, it is convenient to make the stopper 36 into an integral structure. On the other hand, it is also convenient to produce the stopper 36 and other plastic parts of the manual maintenance switch 30 at the same time, which can improve the production efficiency of the manual maintenance switch 30.

[0121] In the embodiment of the present application, the limiting member 36 includes an insulating injection molded part, which can facilitate the processing of the limiting member 36, reduce the production cost of the limiting member 36, and simplify the production process of the limiting member 36.

[0122] In some embodiments of the present application, Figure 4 As shown, the manual maintenance switch 30 further includes a first shell 37 and a second shell 38 which are arranged opposite to each other, and a part of the fuse 31 is arranged in the space surrounded by the first shell 37 and the second shell 38 .

[0123] Here, the first shell 37 and the second shell 38 can be connected to each other and cover each other, and part of the fuse 31 is arranged in the space surrounded by the first shell 37 and the second shell 38, wherein the first shell 37 is arranged above or below the second shell 38.

[0124] Specifically, the limiting member 36 and the first shell 37 here can also be set as an integrated structure, which is made by injection molding or vacuum forming, so as to simplify the production process of the manual maintenance switch 30 and reduce the production cost of the manual maintenance switch 30.

[0125] In the embodiment of the present application, by setting a first shell 37 and a second shell 38 that are relatively arranged, and setting a part of the fuse 31 in the space surrounded by the first shell 37 and the second shell 38, the first shell 37 and the second shell 38 can be used to protect the part of the fuse 31 and isolate the part of the fuse 31, thereby reducing the probability of the current flowing through the fuse 31 directly contacting the human body.

[0126] In some embodiments of the present application, Figure 3 As shown, the battery box 20 includes a first box 21 and a second box 22 , and the manual maintenance switch 30 is connected to the first box 21 or the second box 22 , that is, the manual maintenance switch 30 can be connected to the first box 21 or the second box 22 .

[0127] The embodiment of the present application can realize the installation of the manual maintenance switch 30 by setting the first box body 21 and the second box body 22, and connecting the manual maintenance switch to the first box body 21 or the second box body 22, so as to facilitate the electrical connection of the manual maintenance switch 30 with the high-voltage system of the battery device 100 and realize the control of the circuit of the high-voltage system.

[0128] Optionally, the manual maintenance switch 30 also includes a conductive sheet (not shown), a high-voltage wire (not shown) and a sealing structure (not shown), etc., wherein the sealing structure can achieve a sealed connection between the first shell 37 and the second shell 38, and the high-voltage wire can form a complete high-voltage circuit of the battery device 100 with the conductive sheet, the current-carrying member 32 and the fuse 31 as well as the external power supply device to achieve a high-voltage electrical connection.

[0129] 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.

[0130] The first aspect of the embodiment of the present application provides a battery device 100, which includes a manual maintenance switch 30, the manual maintenance switch 30 includes a fuse 31, a current-passing member 32, a connecting assembly 33 and a vibration-damping member 34, the current-passing member 32 is attached to the fuse 31 and is electrically conductive to each other; the connecting assembly 33 connects the fuse 31 and the current-passing member 32; and the vibration-damping member 34 is provided on at least one of the fuse 31, the current-passing member 32 and the connecting assembly 33. Further, the connecting assembly 33 includes a bolt 331 and a nut 332, the nut 332 and the bolt 331 are threadedly connected, and at least one of the bolt 331 and the nut 332 is provided with a vibration-damping member 34. Further, the vibration-damping member 34 includes a rubber ring, which is sleeved on the nut 332. Further, the manual maintenance switch 30 also includes a blocking member 35, which is sleeved on the circumferential outer side of the rubber ring, and the blocking member 35 is threadedly connected to the bolt 331. Further, the blocking member 35 is provided with a connection hole 351 along the axial direction of the bolt 331, and the connection hole 351 is at least used to accommodate the vibration damping member 34. Further, the connection hole 351 includes a first accommodating hole 3511 and a second accommodating hole 3512 that are connected to each other, the first accommodating hole 3511 is used to accommodate the vibration damping member 34, the second accommodating hole 3512 is used to accommodate the screw 3312 of the bolt 331, and the second accommodating hole 3512 is threadedly connected to the screw 3312. Further, the manual maintenance switch 30 also includes a limiter 36, and the limiter 36 is arranged on the circumferential outer side of the blocking member 35. Further, there is a gap between the limiter 36 and the blocking member 35. Further, the gap is in the range of 2 mm to 5 mm. Further, the limiter 36 includes an insulating injection molded part. Furthermore, the manual maintenance switch 30 further includes a first housing 37 and a second housing 38 disposed opposite to each other, and a portion of the fuse 31 is disposed in a space surrounded by the first housing 37 and the second housing 38. Furthermore, the battery box 20 includes a first box 21 and a second box 22, and the manual maintenance switch 30 is connected to the first box 21 or the second box 22.

[0131] The above is only a preferred specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any changes or substitutions that can be easily thought of by a person skilled in the art within the technical scope disclosed in the present application should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.

Claims

1. A battery device, characterized in that: The invention comprises a battery box, a battery cell and a manual maintenance switch, wherein the battery cell is arranged in the battery box, the manual maintenance switch is connected to the battery box, and the manual maintenance switch comprises: Fuse; A current-passing member, the current-passing member is in contact with the fuse and is electrically conductive to each other; A connecting assembly, the connecting assembly connecting the fuse and the overcurrent component; and A vibration damping member is provided on at least one of the fuse, the current-passing member and the connecting assembly, and the vibration damping member includes a rubber ring.

2. The battery device according to claim 1, characterized in that The connection assembly includes a bolt and a nut, the nut and the bolt are threadedly connected, and at least one of the bolt and the nut is provided with the vibration damping member.

3. The battery device according to claim 2, characterized in that: The rubber ring is sleeved on the nut.

4. The battery device according to claim 3, characterized in that: The manual maintenance switch also includes: A blocking piece is sleeved on the circumferential outer side of the rubber ring and is threadedly connected to the bolt.

5. The battery device according to claim 4, characterized in that: The blocking member is provided with a connecting hole along the axial direction of the bolt, and the connecting hole is at least used to accommodate the vibration damping member.

6. The battery device according to claim 5, characterized in that The connecting hole includes a first accommodating hole and a second accommodating hole which are interconnected, the first accommodating hole is used to accommodate the vibration damping member, the second accommodating hole is used to accommodate the screw rod of the bolt, and the second accommodating hole is threadedly connected to the screw rod.

7. The battery device according to claim 4, characterized in that: The manual maintenance switch further comprises a limiting member, and the limiting member is arranged on the circumferential outer side of the blocking member.

8. The battery device according to claim 7, characterized in that: There is a gap between the limiting member and the blocking member.

9. The battery device according to claim 8, characterized in that: The interval is in the range of 2 mm to 5 mm.

10. The battery device according to claim 7, characterized in that: The limiting component includes an insulating injection molded component.

11. The battery device according to any one of claims 1 to 10, characterized in that: The manual maintenance switch also includes: The first shell and the second shell are arranged opposite to each other, and part of the fuse is arranged in the space surrounded by the first shell and the second shell.

12. The battery device according to any one of claims 1 to 10, characterized in that: The battery box includes a first box and a second box, and the manual maintenance switch is connected to the first box or the second box.

13. A manual maintenance switch, characterized in that: The manual maintenance switch comprises: Fuse; A current-passing member, the current-passing member is in contact with the fuse and is electrically conductive to each other; A connecting assembly, the connecting assembly connecting the fuse and the overcurrent component; and A vibration damping member is provided on at least one of the fuse, the current-passing member and the connecting assembly, and the vibration damping member includes a rubber ring.

14. An electrical device, characterized in that: It comprises the battery device as claimed in any one of claims 1 to 12, wherein the battery device is used to supply power to the electrical device.

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