Battery components and vehicles

Abstract

This application discloses a battery assembly and a vehicle. The battery assembly includes a battery and a fuse device. The battery has a positive terminal. The positive terminal is disposed within a fuse box body. The fuse structure and fuse component within the fuse box body are both electrically connected to the positive terminal. The fuse structure has a first connecting part and a second connecting part. The fuse component includes a first connecting unit and a second connecting unit. The first connecting part, the second connecting part, the first connecting unit, and the second connecting unit can all be electrically connected to electrical equipment and each has a fuse element. The maximum current allowed to pass through the fuse elements in the first and second connecting units is a first current. The maximum current allowed to pass through the fuse elements in the first and second connecting parts is greater than the first current. By integrating the fuse structure and fuse component within the same fuse box body, unified management of high and low current output is achieved, improving the output current range of the battery assembly and enhancing the adaptability of the fuse device.

Description

Technical Field

[0001] This application relates to the field of fuse box technology, and more particularly to a battery assembly and a vehicle. Background Technology

[0002] The battery is a power supply component in a vehicle's electrical system, providing electrical energy to motors, door control systems, lighting equipment, and other devices. Battery power distribution is typically managed through a fuse box, which monitors circuit conditions and cuts off current in case of overload or short circuit, thereby protecting electrical equipment from damage and ensuring the safety and reliability of the electrical system.

[0003] In related technologies, fuse boxes mainly employ either fuses or relays. Fuses interrupt overcurrent by melting a metal wire, while relays use electromagnetic switches to open and close circuits. However, low-power fuse boxes cannot handle high-power current outputs, and high-power fuse boxes have slow response times and cannot accurately protect low-power circuits. This results in a narrow output current range and poor adaptability for fuse boxes. Utility Model Content

[0004] In view of this, embodiments of this application provide a battery assembly and vehicle that solve the problem of the small output current range and poor adaptability of the fuse box.

[0005] To achieve the above objectives, the technical solution of this application embodiment is implemented as follows:

[0006] In a first aspect, embodiments of this application provide a battery assembly.

[0007] The battery assembly provided in this application includes:

[0008] Storage battery, storage battery has a positive terminal;

[0009] The safety device includes a fuse box body, which has a mounting part, and the positive terminal is disposed inside the fuse box body through the mounting part.

[0010] The fuse box contains a fuse structure and a fuse component. Both the fuse structure and the fuse component are electrically connected to the positive terminal. The fuse structure also has a first connection part and a second connection part. The fuse component includes a first connection unit and a second connection unit. The first connection part, the second connection part, the first connection unit, and the second connection unit can all be electrically connected to the electrical equipment. The first connection part, the second connection part, the first connection unit, and the second connection unit all contain fuse elements.

[0011] The fuses in the first and second connecting units are configured such that the maximum allowable current is the first current, and the fuses in the first and second connecting portions are configured such that the maximum allowable current is greater than the first current.

[0012] The battery assembly of this application embodiment effectively utilizes the space occupied by the positive terminal by mounting it within the fuse box body. This eliminates the need for additional independent space for fuse installation, improving space utilization and protecting the positive terminal, thus saving interior space. Furthermore, by integrating the fuse structure and fuse components within the same fuse box body, unified management of high and low current output is achieved. The fuses in the first and second connection units are suitable for low-power output below a first current, supplying power to low-power electrical devices and meeting the low-power power requirements of the entire vehicle. The fuses in the first and second connection portions support high-power output above the first current, allowing the fuse structure to function as two high-current outputs at the locations of the first and second connection portions, supplying power to high-power electrical devices and meeting the low-power power requirements of the entire vehicle. Integrating the fuse structure and fuse components within the same fuse box body significantly increases the output current range of the battery assembly, enhancing its adaptability.

[0013] In one possible implementation of this application, the fuse in the first connection portion is configured to carry the maximum allowable current, unlike the fuse in the second connection portion which is configured to carry the maximum allowable current.

[0014] In one possible implementation of this application, the fusing rate of the fuse in the first connecting unit is greater than the fusing rate of the fuse in the second connecting unit.

[0015] In one possible implementation of this application, the fuse box body further includes a first terminal and a second terminal. One end of the first terminal is electrically connected to the first connecting portion, and the other end is configured to be electrically connected to the electrical device. One end of the second terminal is electrically connected to the second connecting portion, and the other end is configured to be electrically connected to the electrical device.

[0016] In one possible implementation of this application, the fuse assembly further includes an electrical connector, the first connection unit further includes a third terminal, one end of the third terminal is electrically connected to one end of the fuse in the first connection unit, and the second connection unit further includes a fourth terminal, one end of the fourth terminal is electrically connected to one end of the fuse in the second connection unit.

[0017] The other end of the fuse in the first connection unit and the other end of the fuse in the second connection unit are both electrically connected to the positive terminal through an electrical connector.

[0018] In one possible implementation of this application, the fuse assembly further includes a mounting base disposed within the fuse box body, with portions of the third terminal, the fourth terminal, and the electrical connectors exposed within the mounting base.

[0019] In one possible implementation of this application, the fuse box body includes a box body and a mounting assembly. The box body is disposed on the battery, and the box body has a mounting portion on the side facing the battery.

[0020] The mounting assembly includes a sleeve, an adapter, and a locking unit. The sleeve is located inside the housing and is fitted around the positive terminal. The locking unit is connected to one end of the sleeve so that the sleeve is clamped around the positive terminal. The adapter is connected to the other end of the sleeve, and the middle part of the safety structure and the safety assembly are electrically connected to the positive terminal through the adapter and the sleeve.

[0021] In one possible implementation of this application, the sleeve has a sleeve portion and two free portions connected to the sleeve portion. The sleeve portion is sleeved on the periphery of the positive electrode post, and the sleeve also has two free portions with a gap between them, the gap communicating with the interior of the sleeve portion.

[0022] The locking unit also includes a fixing member and a locking member, which are located on opposite sides of the sleeve. The fixing member has a protrusion located within the gap, and the locking member is sleeved around the protrusion so that the two free parts can move toward each other and are clamped around the positive terminal post.

[0023] In one possible implementation of this application, the structure of the housing facing the battery side matches the structure of the battery; and / or,

[0024] The box has ventilation holes.

[0025] Secondly, embodiments of this application provide a vehicle, including:

[0026] Electrical equipment;

[0027] As in any of the first aspects, the first connection portion, the second connection portion, the first connection unit, and the second connection unit of the safety structure in the battery assembly are all electrically connected to the electrical equipment.

[0028] The vehicle provided in this application embodiment has the above-mentioned battery assembly, and therefore has the beneficial effects of the above-mentioned battery assembly, which will not be repeated here. Attached Figure Description

[0029] Figure 1a This is a first-view structural schematic diagram of a battery assembly provided in an embodiment of this application;

[0030] Figure 1b This is a second-view structural schematic diagram of the battery assembly provided in an embodiment of this application;

[0031] Figure 1c A third-view structural schematic diagram of the battery assembly provided in an embodiment of this application;

[0032] Figure 2a A first-person view structural diagram of the safety device;

[0033] Figure 2b A structural schematic diagram of the safety device from a second perspective;

[0034] Figure 2c A structural schematic diagram of the safety device from a third-person perspective;

[0035] Figure 3a A structural schematic diagram from a first-view perspective showing the safety device with the top cover removed;

[0036] Figure 3b A structural schematic diagram from a second perspective showing the safety device with the top cover removed;

[0037] Figure 3c A third-view structural diagram of the safety device with the top cover removed;

[0038] Figure 4 This is a structural diagram of the box.

[0039] Figure 5a A first-person structural diagram of the insurance structure;

[0040] Figure 5b A schematic diagram of the insurance structure from a second perspective;

[0041] Figure 6a A first-person view structural diagram of the insurance component;

[0042] Figure 6b A structural schematic diagram of the insurance component from a second perspective;

[0043] Figure 6c A third-person view structural diagram of the insurance component;

[0044] Figure 7a A first-view structural schematic diagram of the electrical connector;

[0045] Figure 7b A structural schematic diagram of the electrical connector from a second perspective;

[0046] Figure 7c A third-view structural schematic diagram of the electrical connector;

[0047] Figure 8a A first-person view of the structure of the installed components;

[0048] Figure 8b A structural diagram from a second-view perspective of the installed components;

[0049] Figure 8cA third-person view of the structure for installing components;

[0050] Figure 9 A schematic diagram showing the structure after removing the adapter for installing the components.

[0051] Figure label:

[0052] 10-Battery assembly;

[0053] 1-Storage battery;

[0054] 11-Positive terminal;

[0055] 2-Safety device;

[0056] 21 - Main body of the fuse box;

[0057] 211-Box body; 2111-Mounting part; 2112-Heat dissipation vent; 2113-Second snap-fit ​​part;

[0058] 212-Top cover; 2121-First snap-fit ​​part;

[0059] 213-Mounting component; 2131-Free part; 21311-Locking ramp; 2132-Sleeving part; 2133-Adapter; 2134-Fixing part; 21341-Protrusion; 2135-Locking part; 21351-Clamping ramp;

[0060] 214 - First terminal; 215 - Second terminal;

[0061] 22-Insurance Structure;

[0062] 221 - First connecting part; 222 - Second connecting part;

[0063] 23-Insurance components;

[0064] 231-First connecting unit; 232-Second connecting unit; 2211, 2221, 2311, 2321-Fuses; 233-Electrical connector; 2331-First electrical connection part; 2332-Second electrical connection part; 234-Mounting base. Detailed Implementation

[0065] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the specific technical solutions of this application will be further described in detail below with reference to the accompanying drawings of the embodiments of this application. The following embodiments are used to illustrate this application, but are not intended to limit the scope of this application.

[0066] In the embodiments of this application, 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 indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this application, unless otherwise stated, "multiple" means two or more.

[0067] Furthermore, in the embodiments of this application, directional terms such as "upper," "lower," "left," and "right" are defined relative to the positions in which the components are schematically placed in the accompanying drawings. It should be understood that these directional terms are relative concepts, used for relative description and clarification, and can change accordingly depending on the position of the components in the accompanying drawings.

[0068] In the embodiments of this application, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, "connection" can mean a fixed connection, a detachable connection, or an integral part; it can mean a direct connection or an indirect connection through an intermediate medium.

[0069] In embodiments of this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0070] In the embodiments of this application, the terms "exemplary" or "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design that is described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design. Specifically, the use of the terms "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.

[0071] In a vehicle's electrical system, the battery pack is the core component for powering the entire vehicle, mainly consisting of the battery itself, mounting brackets, and electrical connection systems. The battery itself typically uses lead-acid or lithium-ion batteries, and its positive and negative terminals are connected to the vehicle's electrical system via copper busbars or high-voltage wiring harnesses. The battery pack is usually fixed to the engine compartment longitudinal beams using cantilevered metal brackets. One end of the bracket is bolted to the longitudinal beam, while the other end extends out to form a battery tray for support.

[0072] The battery pack also includes a fuse box, which is usually installed near the positive terminal of the battery. The fuse box typically contains a fuse or relay to promptly disconnect the circuit in case of abnormal current, preventing excessive current from damaging the electrical system and ensuring the safe operation of electrical equipment.

[0073] Specifically, a fuse contains a fusible element made of a low-melting-point conductive material. When the current flowing through the fusible element exceeds its rated value, the fusible element heats up due to the Joule effect and eventually melts, thus cutting off the circuit. The melting of the fusible element is a one-time action, and a new fuse must be replaced after it melts.

[0074] Relays operate on the principle of electromagnetic induction. When the circuit current is normal, the electromagnetic coil is not energized, and the contacts remain normally open or normally closed. Once an overcurrent or short-circuit fault is detected, the control circuit immediately energizes the electromagnetic coil, generating a strong magnetic field that attracts the mechanical contacts, causing them to quickly open and thus disconnecting the faulty circuit. However, the mechanical contacts require a certain amount of time to operate, exhibiting an inherent response delay.

[0075] However, the output current range of existing fuse boxes is relatively small. Low-power fuse boxes cannot meet the current carrying requirements of high-power loads, while high-power fuse boxes have a slow response speed and cannot accurately protect low-power circuits. As a result, existing fuse boxes cannot flexibly adapt to the protection requirements of circuits with different power levels. Multiple independent fuse boxes are required to protect circuits with different power requirements, which occupies a large amount of vehicle interior space and increases the complexity of the vehicle interior.

[0076] Based on this, embodiments of this application provide a battery assembly and a vehicle, aiming to solve the above-mentioned technical problems of the prior art. Specifically, the positive terminal of the battery is disposed within the fuse box body via a mounting portion. Both the fuse structure and the fuse assembly are electrically connected to the positive terminal, and the fuse structure further includes a first connecting portion and a second connecting portion. The fuse assembly includes a first connecting unit and a second connecting unit. The first connecting portion, the second connecting portion, the first connecting unit, and the second connecting unit can all be electrically connected to electrical equipment. Each of the first connecting portion, the second connecting portion, the first connecting unit, and the second connecting unit contains a fuse. The fuses in the first connecting unit and the second connecting unit are configured such that the maximum allowable current is a first current, and the fuses in the first connecting portion and the second connecting portion are configured such that the maximum allowable current is greater than the first current.

[0077] This design, by placing the positive terminal within the fuse box body via the mounting section, effectively utilizes the space occupied by the positive terminal, eliminating the need for additional independent space for fuse installation, thus improving space utilization and protecting the positive terminal, which helps save interior space. Simultaneously, by integrating the fuse structure and fuse components within the same fuse box body, unified management of high and low current output is achieved. Specifically, the fuses in the first and second connection units are suitable for low-power output below the first current, supplying power to low-power electrical devices and meeting the overall vehicle's low-power power requirements. The fuses in the first and second connection sections support high-power output above the first current, allowing the fuse structure to function as two high-current outputs at the locations of the first and second connection sections, supplying power to high-power electrical devices and meeting the overall vehicle's low-power power requirements. Integrating the fuse structure and fuse components within the same fuse box body significantly increases the output current range of the battery pack, enhancing its adaptability.

[0078] It should be noted that the vehicle mentioned in this application can refer to large vehicles, small vehicles, special-purpose vehicles, etc. For example, according to vehicle type, the vehicle in this application can be a sedan, an off-road vehicle, a multi-purpose vehicle (MPV), or other types of vehicles. Generally, a vehicle is equipped with wheels, a power source, and a transmission system between the wheels and the power source. The transmission system can transmit the power provided by the power source to the wheels, causing the wheels to rotate and thus driving the vehicle.

[0079] In this application embodiment, the type of power source of the vehicle is not limited. For example, for a fuel vehicle, the power source may refer to a fuel engine such as a gasoline engine or a diesel engine; for an electric vehicle, the power source may refer to an electric motor; for a hybrid vehicle, the power source may refer to an engine or an electric motor; for a vehicle powered by other means, the power source may refer to a device that generates power.

[0080] The battery assembly and vehicle provided in the embodiments of this application will be described below with reference to the accompanying drawings.

[0081] Figure 1a This is a first-view structural schematic diagram of the battery assembly provided in an embodiment of this application. Figure 1b This is a second-view structural schematic diagram of the battery assembly provided in an embodiment of this application. Figure 1c This is a third-view structural schematic diagram of the battery assembly provided in an embodiment of this application. Figure 2a This is a first-person view structural diagram of the safety device. Figure 2b This is a structural schematic diagram of the safety device from a second perspective. Figure 2cThis is a third-person view structural diagram of the safety device. Figure 3a A first-view structural diagram showing the safety device with the top cover removed. Figure 3b A second-view structural diagram showing the safety device with the top cover removed. Figure 3c A third-view structural diagram of the safety device with the top cover removed.

[0082] Please refer to Figures 1a to 3c Firstly, this embodiment provides a battery assembly 10. The battery assembly 10 includes a battery 1 and a fuse 2, wherein the battery 1 is used to connect to an electrical device to form a circuit, thereby supplying power to the electrical device, and the fuse 2 is used to protect the circuit and prevent excessive current in the circuit from affecting the normal use of the electrical device.

[0083] Please refer to Figure 1a and Figure 3a Specifically, the battery 1 has a positive terminal 11 and a cathode terminal. The positive terminal 11 is used to connect the fuse device 2 and the electrical equipment to output current to the electrical equipment. The cathode terminal is connected back to the battery 1, forming a complete power supply circuit. The fuse device 2 is located on the connection path between the positive terminal 11 and the electrical equipment, and can cut off the power supply in case of abnormal current, thereby protecting the safe operation of the electrical equipment.

[0084] Please refer to Figure 2a , Figure 2b and Figure 3a Specifically, in this embodiment, the fuse device 2 includes a fuse box body 21, which has a mounting portion 2111. The positive terminal 11 is disposed within the fuse box body 21 through the mounting portion 2111. When current is output from the positive terminal 11 of the battery 1, it can first enter the fuse box body 21, enabling the fuse box body 21 to achieve the fastest possible disconnection response in case of current abnormality. Furthermore, since the positive terminal 11 is directly built into the fuse box body 21, the connection harness and independent installation space between the fuse box and the battery 1 in the prior art are eliminated, making the entire battery assembly 10 more compact and saving interior space in the vehicle, thus improving space utilization. It also protects the positive terminal 11 from contact with other metal components, preventing short circuits.

[0085] Please refer to Figure 2a , Figure 3a and Figure 3b In this embodiment, the fuse box body 21 has a fuse structure 22 and a fuse component 23. Both the fuse structure 22 and the fuse component 23 are electrically connected to the positive terminal 11, so that the current output from the positive terminal 11 can be connected to the electrical equipment through the fuse structure 22 and the fuse component 23 respectively, so as to adapt to different electrical equipment.

[0086] Figure 5a This is a first-person structural diagram of an insurance structure. Figure 5b This is a structural diagram from a second perspective of the insurance structure. Figure 6a This is a first-person structural diagram of the insurance component. Figure 6b This is a structural schematic diagram of the insurance component from a second perspective. Figure 6c This is a structural diagram of the insurance component from a third-person perspective.

[0087] Please refer to Figure 3a and Figures 5a to 6c Specifically, the safety structure 22 has a first connecting portion 221 and a second connecting portion 222, and the safety component 23 includes a first connecting unit 231 and a second connecting unit 232. The first connecting portion 221, the second connecting portion 222, the first connecting unit 231, and the second connecting unit 232 can all be electrically connected to the electrical equipment. Each of the first connecting portion 221, the second connecting portion 222, the first connecting unit 231, and the second connecting unit 232 contains a fuse.

[0088] Please refer to Figure 5a , Figure 5b and Figure 6a The fuse 2311 in the first connecting unit 231 and the fuse 2321 in the second connecting unit 232 are configured such that the maximum allowable current is the first current, and the fuse 2211 in the first connecting part 221 and the fuse 2221 in the second connecting part 222 are configured such that the maximum allowable current is greater than the first current.

[0089] Please refer to Figure 3a and Figures 5a to 6c Specifically, the fuse structure 22 includes a first connection portion 221 and a second connection portion 222, and the fuse assembly 23 includes a first connection unit 231 and a second connection unit 232. The first connection portion 221, the second connection portion 222, the first connection unit 231, and the second connection unit 232 can each form an independent current path with the electrical device. Current flows from the positive terminal 11 to the first connection portion 221, the second connection portion 222, the first connection unit 231, and the second connection unit 232, respectively. Each path passes through its own built-in fuse before outputting to the electrical device, thereby protecting different electrical devices.

[0090] Please refer to Figure 3a The maximum current allowed to pass through the path formed by the first connecting unit 231 and the second connecting unit 232 is the first current. In this embodiment, the first current is less than 200A. The first connecting unit 231 and the second connecting unit 232 are used to protect low-power electrical equipment.

[0091] Please refer to Figure 3a and Figure 6aThe fuse 2311 in the first connection unit 231 and the fuse 2321 in the second connection unit 232 have sensitive fusing characteristics and can act quickly when there is a small current abnormality to protect the low power circuit.

[0092] The fuses 2211 in the first connection portion 221 and 2221 in the second connection portion 222 have high overload capacity. The fusing current of fuses 2211 and 2221 is greater than the first current, enabling them to withstand larger operating currents and protect high-power electrical equipment. Fuses 2211 and 2221 remain stable during normal operation of the high-power circuit, only fusing when the current exceeds the set fusing current, thus avoiding accidental fusing due to normal operating current and ensuring stable operation of the high-power circuit. Simultaneously, they can promptly disconnect the circuit in case of abnormal current, protecting high-power electrical equipment from damage.

[0093] Please refer to Figure 1a and Figure 3a By setting up the fuse structure 22 and fuse component 23, fuses with different characteristics can be integrated into the same fuse device 2, thereby achieving protection for different electrical devices, improving the flexibility and applicability of the fuse device 2, and expanding the output current range of the battery assembly 10. At the same time, this also helps to save interior space in the vehicle, eliminating the need to set up multiple independent fuse devices 2 to protect different electrical devices separately, thus improving space utilization.

[0094] Please refer to Figure 3a In this embodiment, both the safety structure 22 and the safety component 23 are fixed to the safety box body 21 by screws. At the same time, in order to prevent the screws from loosening during long-term use or in a vibrating environment, anti-loosening nuts can also be provided to prevent the screws from loosening and ensure the stability of the fixed safety structure 22 and the safety component 23.

[0095] In other embodiments, the fixing method of the safety structure 22 and the safety component 23 can be adapted according to actual needs, and this embodiment does not impose any restrictions on this.

[0096] In some embodiments, the fuse 2211 in the first connection portion 221 is configured to allow the maximum current to pass, unlike the fuse 2221 in the second connection portion 222 which is configured to allow the maximum current to pass.

[0097] Please refer to Figure 5aSpecifically, in this embodiment, the maximum current allowed to pass through the fuse 2211 in the first connection part 221 is different from the maximum current allowed to pass through the fuse 2221 in the second connection part 222, so that the first connection part 221 and the second connection part 222 can adapt to medium and high power electrical equipment with different current requirements, further improving the flexibility and adaptability of the safety device 2 and further expanding the output current range of the battery assembly 10.

[0098] Please refer to Figure 5a The maximum allowable current through the fuse 2211 in the first connection portion 221 is 300A, and the maximum allowable current through the fuse 2221 in the second connection portion 222 is 250A. 300A and 250A are merely illustrative of the maximum allowable current through the fuse 2211 in the first connection portion 221 and the fuse 2221 in the second connection portion 222, and do not constitute a limitation on the maximum allowable current. In application, the maximum allowable current through the fuse 2211 in the first connection portion 221 and the fuse 2221 in the second connection portion 222 can be set to other values ​​according to requirements, which will not be elaborated further in this application.

[0099] Please refer to Figure 3a and Figures 6a to 6c Specifically, the first connection part 221 can provide current support for high-power electrical equipment, such as large motors or other high-power loads. The normal operating current of high-power electrical equipment is usually between 250A and 300A. When the current exceeds 300A, the fuse 2211 in the first connection part 221 will melt and cut off the circuit to ensure the safe operation of the high-power electrical equipment.

[0100] The second connection part 222 can provide a stable current supply for medium-power electrical equipment, such as vehicle electronic equipment. The normal operating current of medium-power electrical equipment is usually between 200A and 250A. When the current exceeds 250A, the fuse 2221 in the second connection part 222 will quickly melt and cut off the circuit, thereby protecting the medium-power electrical equipment from damage caused by overload or short circuit.

[0101] Please refer to Figure 3a and Figures 6a to 6c In some embodiments, the fusing rate of the fuse 2311 in the first connecting unit 231 is greater than the fusing rate of the fuse 2321 in the second connecting unit 232.

[0102] Specifically, in this embodiment, the fusing rate of the fuse 2311 in the first connection unit 231 is greater than that of the fuse 2321 in the second connection unit 232. This allows the first connection unit 231 to respond more quickly to abnormal current conditions, thereby rapidly cutting off the circuit when there are slight current fluctuations or momentary overloads, ensuring the safety of low-power electrical equipment. For example, for some current-sensitive electrical equipment, such as vehicle computers or sensors, the rapid fusing of the fuse 2311 can effectively prevent damage to the equipment due to brief current surges, improving the reliability and service life of the equipment.

[0103] In comparison, the fuse 2321 within the second connection unit 232 has a slower fusing rate. This allows the second connection unit 232 to remain stable when current fluctuates briefly, preventing accidental melting due to momentary overload. The second connection unit 232 is suitable for electrical equipment that has a certain tolerance for current fluctuations. When current fluctuates momentarily, the fuse 2321 will not melt immediately, thus ensuring the normal operation of the electrical equipment. Only when the current continuously exceeds the rated value of the fuse 2321 will the fuse melt, cutting off the circuit and protecting the electrical equipment from long-term overload damage.

[0104] Please refer to Figure 6a The fusing rates of the fuses 2311 in the first connection unit 231 and 2321 in the second connection unit 232 can be adjusted according to actual needs. For example, in application scenarios where the electrical equipment connected to the first connection unit 231 and the second connection unit 232 requires rapid protection, both the first connection unit 231 and the second connection unit 232 can use fuses with faster fusing rates to ensure that both the first connection unit 231 and the second connection unit 232 can quickly cut off the circuit when the current is abnormal, ensuring the safety of all electrical equipment. Conversely, if the electrical equipment in the application scenario has a high tolerance for current fluctuations, both the first connection unit 231 and the second connection unit 232 can use fuses with slower fusing rates. This allows the fuses to remain stable when the current fluctuates momentarily, avoiding accidental melting, and to cut off the circuit when the current is continuously abnormal, protecting the electrical equipment.

[0105] By flexibly selecting the fusing rate of the fuse element, the safety device 2 can better adapt to different types of electrical equipment and application scenarios, further improving the flexibility and applicability of the safety device 2.

[0106] Please refer to Figure 2b and Figure 3aIn some embodiments, the fuse box body 21 further includes a first terminal 214 and a second terminal 215. One end of the first terminal 214 is electrically connected to the first connection portion 221, and the other end is configured to be electrically connected to an electrical device. One end of the second terminal 215 is electrically connected to the second connection portion 222, and the other end is configured to be electrically connected to an electrical device.

[0107] Specifically, the fuse box body 21 is equipped with a first terminal 214 and a second terminal 215 so that the current of the positive terminal 11 can flow to the electrical equipment through the first terminal 214 and the second terminal 215, thereby achieving effective current conduction and improving the convenience of connecting to the electrical equipment.

[0108] Please refer to Figure 2b and Figure 3a One end of the first terminal 214 is electrically connected to the first connecting part 221, and the other end is used for electrical connection to the electrical device. One end of the second terminal 215 is electrically connected to the second connecting part 222, and the other end is used for electrical connection to the electrical device. When current is output from the positive terminal 11, it passes through the first connecting part 221 and the second connecting part 222 respectively. The first connecting part 221 and the second connecting part 222 form independent current paths with the electrical device through the first terminal 214 and the second terminal 215 respectively, so as to smoothly conduct the current to the corresponding electrical device and ensure that the current can be transmitted stably.

[0109] Please refer to Figure 2b and Figure 3a The arrangement of the first terminal 214 and the second terminal 215 simplifies the connection process between the electrical equipment and the fuse structure 22. During connection, the electrical equipment can be directly connected to the fuse structure 22 via the first terminal 214 and the second terminal 215, eliminating the need for complex wiring operations. This improves connection efficiency and enhances the overall performance and reliability of the battery assembly 10.

[0110] Please refer to Figure 2b and Figure 3a In this embodiment, the first terminal 214 and the second terminal 215 can protrude from the fuse box body 21 and be exposed outside the fuse box body 21, which facilitates the connection of electrical equipment and improves the accuracy and convenience of the connection.

[0111] Specifically, both the first connecting part 221 and the second connecting part 222 are provided with mounting holes. The first connecting part 221 and the second connecting part 222 are fixed inside the fuse box body 21 by inserting power terminal fixing studs into the mounting holes. One end of the power terminal fixing stud, facing away from the first connecting part 221 or the second connecting part 222, protrudes from the fuse box body 21. The first terminal 214 is connected to the power terminal fixing stud of the first connecting part 221, and the second terminal 215 is connected to the power terminal fixing stud of the second connecting part 222. This ensures the stability of the fuse structure 22 while enabling current conduction.

[0112] Please refer to Figure 2b and Figure 3a In this embodiment, the fuse box body 21 is provided with a snap-fit ​​structure that matches the power terminal fixing stud, so that the power terminal fixing stud can pass through the mounting hole on the first connecting part 221 or the second connecting part 222 and snap-fit ​​with the fuse box body 21, ensuring the stability of the power terminal fixing stud.

[0113] In some embodiments, the power terminal fixing studs on the first connecting portion 221 and the second connecting portion 222 may extend out of the fuse box body 21 to form a first terminal 214 and a second terminal 215, so as to facilitate the connection of electrical equipment.

[0114] Please refer to Figure 6a In some embodiments, the first connection unit 231 further includes a third terminal (not shown in the figure), one end of which is electrically connected to one end of the fuse 2311 in the first connection unit 231. The second connection unit 232 further includes a fourth terminal, one end of which is electrically connected to one end of the fuse 2321 in the second connection unit 232.

[0115] Please refer to Figure 3a and Figure 6a Specifically, the first connection unit 231 includes a third terminal, and the second connection unit 232 includes a fourth terminal (not shown in the figure). One end of the third terminal is electrically connected to one end of the fuse 2311 in the first connection unit 231, and the other end is electrically connected to the electrical device. One end of the fourth terminal is electrically connected to one end of the fuse 2321 in the second connection unit 232, and the other end is electrically connected to the electrical device. When current is output from the positive terminal 11, it passes through the first connection unit 231 and the second connection unit 232 respectively. The first connection unit 231 and the second connection unit 232 form independent current paths with the electrical device through the third terminal and the fourth terminal respectively, so as to smoothly conduct the current to the corresponding electrical device and ensure that the current can be stably transmitted.

[0116] The use of third and fourth terminals simplifies the connection process between the electrical equipment and the fuse assembly 23. During connection, the electrical equipment can be directly connected to the fuse assembly 23 via the third and fourth terminals, eliminating the need for complex wiring operations. This improves connection efficiency and enhances the overall performance and reliability of the battery assembly 10.

[0117] Figure 7a This is a first-view structural schematic diagram of the electrical connector 233. Figure 7b This is a structural schematic diagram of the electrical connector 233 from a second perspective. Figure 7c This is a structural schematic diagram of the electrical connector 233 from a third-view perspective.

[0118] Please refer to Figure 3 and Figures 7a to 7c In this embodiment, the safety component 23 further includes an electrical connector 233, which has a first electrical connection portion 2331 and a second electrical connection portion 2332. The other end of the fuse 2311 in the first connection unit 231 and the other end of the fuse 2321 in the second connection unit 232 are both electrically connected to the positive terminal 11 through the electrical connector 233.

[0119] Specifically, the other end of the fuse 2311 in the first connecting unit 231 is connected to the first electrical connection part 2331, and the other end of the fuse 2321 in the second connecting unit 232 is connected to the second electrical connection part 2332. When current is output from the positive terminal 11, it can be split through the electrical connection 233 to form two independent circuits. One current flows sequentially through the first electrical connection part 2331, the first connecting unit 231, and the third terminal to the electrical device, while the other current flows sequentially through the second electrical connection part 2332, the second connecting unit 232, and the fourth terminal to the electrical device, ensuring the independence of the two currents and allowing both currents to be protected by the fuses 2321 and 2311.

[0120] Please refer to Figure 3a , Figure 7a and Figure 7b Electrical connector 233 is a copper busbar or other electrical connector. The copper busbar is a flat conductive component made of copper material, which has excellent conductivity and mechanical strength. Because the copper busbar has a flat structure, it can make more rational use of the space inside the fuse box body 21, thereby improving space utilization.

[0121] Please refer to Figure 3a , Figure 6a and Figure 7aSpecifically, in this embodiment, the first connecting unit 231 and the second connecting unit 232 are arranged vertically within the fuse box body 21 along the width direction x. Two protrusions of different lengths are provided on the copper busbar, forming the first electrical connection portion 2331 and the second electrical connection portion 2332 respectively. Along the width direction x of the fuse box body 21, the end of the fuse 2311 in the upper first connecting unit 231 that is not connected to the third terminal is electrically connected to the positive terminal 11 through the short side protrusion of the first electrical connection portion 2331 on the copper busbar. Similarly, the end of the fuse 2321 in the lower second connecting unit 232 that is not connected to the fourth terminal is electrically connected to the positive terminal 11 through the long side protrusion of the second electrical connection portion 2332 on the copper busbar. This ensures that the current can be efficiently and stably diverted from the positive terminal 11 to the first connecting unit 231 and the second connecting unit 232. Furthermore, the arrangement of the long and short sides also prevents interference between the first electrical connection portion 2331 and the second electrical connection portion 2332.

[0122] In other embodiments, the material and structure of the electrical connector 233 can be adapted to actual needs, and this embodiment does not impose any restrictions on this.

[0123] Please refer to Figure 3a and Figures 6a to 7c In some embodiments, the fuse assembly 23 further includes a mounting base 234 disposed within the fuse box body 21, with portions of the third terminal, the fourth terminal, and the electrical connector 233 exposed within the mounting base 234.

[0124] Specifically, in this embodiment, the mounting base 234 is disposed inside the fuse box body 21 to initially fix and limit the components inside the fuse assembly 23.

[0125] The mounting base 234 can be connected to the fuse box body 21 by means of a snap-fit ​​connection or a screw connection. This embodiment does not impose any restrictions on this.

[0126] Please refer to Figure 3a , Figure 6a and Figure 7a The first connecting unit 231, the second connecting unit 232, the third terminal, and the fourth terminal are all disposed within the mounting base 234. The ends of the third and fourth terminals used for connecting to electrical equipment are exposed within the mounting base 234 to improve the convenience of connecting to electrical equipment. The electrical connector 233 has one end of the first electrical connecting portion 2331 and the second electrical connecting portion 2332 disposed within the mounting base 234 to facilitate connection between the first electrical connecting portion 2331 and the second electrical connecting portion 2332 and the first connecting unit 231 and the second connecting unit 232. The other part of the electrical connector 233 is exposed within the mounting base 234 to facilitate connection with the positive terminal 11 and avoid interference.

[0127] Figure 4 This is a structural schematic diagram of box 211.

[0128] Please refer to Figure 1a , Figure 2b , Figure 3a and Figure 4 In some embodiments, the fuse box body 21 includes a box body 211 and a mounting assembly 213. The box body 211 is disposed on the battery 1, and the box body 211 has a mounting portion 2111 on the side facing the battery 1.

[0129] Specifically, the positive terminal 11 is disposed inside the housing 211 via the mounting part 2111. The mounting part 2111 can be a through hole that matches the positive terminal 11. The positive terminal 11 passes through the housing 211 to limit the position of the positive terminal 11 and ensure that the positive terminal 11 can stably output current.

[0130] Please refer to Figure 1a , Figure 2b , Figure 3a and Figure 4 In some embodiments, the mounting part 2111 can also be snapped into the positive terminal 11. At the same time, the housing 211 is connected to the battery 1, thereby ensuring the stability of the connection between the safety device 2 and the battery 1 and preventing the safety device 2 from falling off due to vehicle bumps or other external factors.

[0131] For example, the fuse box body 21 can be connected to the battery 1 by screws or clips.

[0132] Please refer to Figure 1a , Figure 2b , Figure 3a and Figure 4 Since the positive terminal 11 protrudes from the battery 1, by placing the positive terminal 11 inside the housing 211 through the mounting part 2111, the space of the protruding area of ​​the positive terminal 11 can be effectively utilized, so that the fuse device 2 and the battery 1 form an integral structure, without the need for additional independent space for the arrangement of the fuse device 2, which helps to save space in the vehicle and improves space utilization.

[0133] Figure 8a This is a first-person view of the structural diagram for installing the components. Figure 8b This is a structural diagram from a second-person perspective of the components being installed. Figure 8c This is a third-person view of the structural diagram for installing the components. Figure 9 A schematic diagram showing the structure after removing the adapter for installing the components.

[0134] Please refer to Figure 3a and Figures 8a to 9In this embodiment, the mounting assembly 213 includes a sleeve (not shown in the figure), an adapter 2133, and a locking unit (not shown in the figure). The sleeve is located inside the housing 211 and is fitted around the periphery of the positive terminal 11. The locking unit is connected to one end of the sleeve so that the sleeve is clamped around the periphery of the positive terminal 11. The adapter 2133 is connected to the other end of the sleeve, and the middle part of the safety structure 22 and the safety assembly 23 are both electrically connected to the positive terminal 11 through the adapter 2133 and the sleeve.

[0135] Specifically, in this embodiment, the sleeve is fitted around the positive electrode post 11 to fix the positive electrode post 11. The locking unit can adjust the inner diameter of the sleeve so that the sleeve can be tightly clamped around the positive electrode post 11, ensuring the stability of the positive electrode post 11.

[0136] In this embodiment, both the sleeve and the adapter 2133 are made of conductive material. The current output from the positive terminal 11 can enter the fuse structure 22 and the fuse component 23 through the sleeve and the adapter 2133, thereby diverting the current to each electrical device.

[0137] Please refer to Figure 3a and Figures 8a to 9 Specifically, the middle part of the fuse structure 22 is electrically connected to the positive terminal 11 through the adapter 2133 and the sleeve. When the current output from the positive terminal 11 passes through the middle part of the fuse structure 22, it can flow to the first connection part 221 and the second connection part 222 respectively, thereby realizing the current splitting.

[0138] Similarly, the fuse component 23 is also electrically connected to the positive terminal 11 through the adapter 2133 and the sleeve, thereby achieving parallel connection with the fuse structure 22. When the current output from the positive terminal 11 passes through the fuse component 23, it can flow to the first connection unit 231 and the second connection unit 232 respectively, thereby further realizing the current splitting.

[0139] Please refer to Figure 3a and Figures 8a to 9 In some embodiments, the sleeve has a sleeve portion 2132 and two free portions 2131 connected to the sleeve portion 2132. The sleeve portion 2132 is sleeved on the periphery of the positive electrode post 11, and the sleeve also has two free portions 2131 with a gap between them. The gap communicates with the interior of the sleeve portion 2132. By adjusting the size of the gap between the two free portions 2131, the inner diameter of the sleeve portion 2132 can be adjusted, so that the sleeve portion 2132 can be tightly clamped on the periphery of the positive electrode post 11.

[0140] Specifically, in this embodiment, the locking unit further includes a fixing member 2134 and a locking member 2135. The fixing member 2134 and the locking member 2135 are disposed on opposite sides of the sleeve member, and the fixing member 2134 has a protrusion 21341, which is disposed in the gap. The locking member 2135 is sleeved on the periphery of the protrusion 21341 so that the two free parts 2131 can move toward each other and be clamped on the periphery of the positive electrode post 11. Thus, by adjusting the locking member 2135, the two free parts 2131 can be moved closer to each other or further away from each other, thereby realizing the clamping and loosening of the positive electrode post 11 and improving the convenience of installing the mounting assembly 213.

[0141] Please refer to Figure 3a and Figures 8a to 9 Specifically, in this embodiment, the locking member 2135 is provided with a clamping inclined surface 21351, and the free part 2131 is provided with a locking inclined surface 21311 corresponding to the clamping inclined surface 21351 on its periphery. When the free part 2131 and the locking member come into contact with each other, the clamping inclined surface 21351 and the locking inclined surface 21311 will also come into contact with each other, thereby guiding the free part 2131 to move along the clamping inclined surface 21351. At the same time, by abutting against the locking inclined surface 21311, the clamping inclined surface 21351 can force the two free parts 2131 to move closer to each other, thereby achieving the clamping of the positive electrode post 11 and ensuring the stability of the fixed positive electrode post 11.

[0142] In this embodiment, the protrusion 21341 is a bolt. By tightening the bolt, the free part 2131 can move along the clamping inclined surface 21351 towards the locking member, thereby fixing the positive electrode post 11.

[0143] Please refer to Figure 1a and Figure 3a In some embodiments, the structure of the housing 211 facing the battery 1 matches the structure of the battery 1.

[0144] Specifically, in this embodiment, the portion of the battery 1 with the positive terminal post 11 is designed as a recessed structure, thereby forming a physical isolation through the recessed structure to avoid contact with surrounding metal parts and causing a short circuit.

[0145] The structure of the box 211 facing the battery 1 is matched with the structure of the battery 1, so that it can cooperate with the recessed structure. While protecting the circuit safety, it can further shield the positive terminal 11 to avoid short circuit problems. It also helps to save space in the vehicle and improve the utilization rate of space.

[0146] Please refer to Figure 2a and Figure 3cIn some embodiments, the housing 211 has a heat dissipation vent 2112. The number of heat dissipation vents 2112 can be selectively set according to actual needs. When current passes through the internal circuit of the fuse device 2, the heat generated can be quickly discharged through the heat dissipation vent 2112, reducing the internal temperature of the housing 211, avoiding the fuse from malfunctioning due to excessive temperature, and improving the service life of the fuse device 2.

[0147] Please refer to Figures 2a to 2c In some embodiments, the fuse box body 21 is further covered by a top cover 212, which is placed on the box body 211 to seal it. The top cover 212 has a rotatable first latching part 2121, and the box body 211 has a corresponding second latching part 2113. By rotating the first latching part 2121, the first latching part 2121 and the second latching part 2113 are engaged, achieving a detachable connection between the top cover 212 and the box body 211. When disassembly is required, simply rotating the first latching part 2121 disengages it from the second latching part 2113, allowing for quick removal of the top cover 212.

[0148] Please refer to Figures 2a to 2c The first latching part 2121 can be configured as a handle structure, and the contact surface of the first latching part 2121 is a slope, so that the operator can easily open the upper cover 212 by holding the first latching part 2121 by the slope.

[0149] In other embodiments, the top cover 212 may also be fixed to the box body 211 by screws or other detachable methods. This embodiment does not impose any restrictions on this.

[0150] Please refer to Figure 1a and Figure 3a Secondly, embodiments of this application provide a vehicle including electrical equipment and a battery assembly 10 as described in any of the first aspects, wherein the first connection portion 221, the second connection portion 222, the first connection unit 231 and the second connection unit 232 of the fuse structure 22 in the battery assembly 10 are all electrically connected to the electrical equipment.

[0151] The vehicle provided in this application embodiment has the above-described battery assembly 10, and therefore has the beneficial effects of the above-described battery assembly 10, which will not be repeated here.

[0152] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments. The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made based on the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.

Claims

1. A battery assembly characterized by, include: A storage battery having a positive terminal; A safety device, the safety device including a safety box body, the safety box body having a mounting part, the positive terminal being disposed inside the safety box body through the mounting part; The fuse box body contains a fuse structure and a fuse component. Both the fuse structure and the fuse component are electrically connected to the positive terminal. The fuse structure also has a first connecting part and a second connecting part. The fuse component includes a first connecting unit and a second connecting unit. The first connecting part, the second connecting part, the first connecting unit, and the second connecting unit can all be electrically connected to the electrical equipment. Each of the first connecting part, the second connecting part, the first connecting unit, and the second connecting unit contains a fuse. The fuses in the first and second connection units are configured such that the maximum allowable current is the first current, and the fuses in the first and second connection portions are configured such that the maximum allowable current is greater than the first current.

2. The battery assembly of claim 1, wherein, The fuse in the first connection portion is configured to allow the maximum current to pass through, unlike the fuse in the second connection portion which is configured to allow the maximum current to pass through.

3. The battery assembly of claim 1, wherein, The fusing rate of the fuse in the first connecting unit is greater than the fusing rate of the fuse in the second connecting unit.

4. The battery assembly of claim 1, wherein, The fuse box body also includes a first terminal and a second terminal. One end of the first terminal is electrically connected to the first connecting part, and the other end is configured to be electrically connected to the electrical device. One end of the second terminal is electrically connected to the second connecting part, and the other end is configured to be electrically connected to the electrical device.

5. The battery assembly of claim 1, wherein, The safety assembly further includes an electrical connector, the first connection unit further includes a third terminal, one end of the third terminal is electrically connected to one end of the fuse in the first connection unit, and the second connection unit further includes a fourth terminal, one end of the fourth terminal is electrically connected to one end of the fuse in the second connection unit; The other end of the fuse in the first connection unit and the other end of the fuse in the second connection unit are both electrically connected to the positive terminal through the electrical connector.

6. The battery assembly of claim 5, wherein, The fuse assembly also includes a mounting base disposed within the fuse box body, wherein portions of the third terminal, the fourth terminal, and the electrical connector are exposed within the mounting base.

7. The battery assembly of any one of claims 1-6, wherein, The fuse box body includes a box body and a mounting assembly. The box body is disposed on the battery, and the box body has the mounting portion on the side facing the battery. The mounting assembly includes a sleeve, an adapter, and a locking unit. The sleeve is located inside the housing and is fitted around the periphery of the positive terminal. The locking unit is connected to one end of the sleeve so that the sleeve is clamped around the periphery of the positive terminal. The adapter is connected to the other end of the sleeve, and the middle part of the safety structure and the safety assembly are electrically connected to the positive terminal through the adapter and the sleeve.

8. The battery assembly of claim 7, wherein, The sleeve has a sleeve portion and two free portions connected to the sleeve portion. The sleeve portion is sleeved on the periphery of the positive electrode post, and the sleeve also has two free portions with a gap between the two free portions, the gap communicating with the interior of the sleeve portion. The locking unit further includes a fixing member and a locking member. The fixing member and the locking member are located on opposite sides of the sleeve member. The fixing member has a protrusion located within the gap. The locking member is sleeved around the protrusion so that the two free parts can move toward each other and are clamped around the positive electrode post.

9. The battery assembly of claim 7, wherein, The structure of the housing facing the battery is compatible with the structure of the battery; and / or... The box has heat dissipation vents.

10. A vehicle characterized by comprising: include: Electrical equipment; The battery assembly as described in any one of claims 1-9, wherein the first connecting portion, the second connecting portion, the first connecting unit, and the second connecting unit of the safety structure in the battery assembly are all electrically connected to the electrical equipment.

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