Protection system

Abstract

The utility model discloses a protection system. The protection system is applied to the energy storage system, the energy storage system comprises a plurality of energy storage stations, the protection system comprises a protection device, an electromagnetic device and a moving device, and the protection device is configured to separate different energy storage stations; the electromagnetic device is arranged to be fixed to the protection device in one of the power-on state and the power-off state, the electromagnetic device is unfixed to the protection device in the other one of the power-on state and the power-off state, and the electromagnetic device is configured to be capable of being switched between the power-on state and the power-off state; the moving device is connected with the electromagnetic device and used for driving the protective device to separate different energy storage stations in the state that the protective device is fixed by the electromagnetic device. Therefore, the protection device is driven by the moving device to separate different energy storage stations, the risk that the normal energy storage station is influenced by the abnormal energy storage station is reduced, the arrangement flexibility of the protection device is improved, meanwhile, the protection device does not need to be normally arranged between different energy storage stations, and the space utilization rate is improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of energy storage, in particular to a protection system. BACKGROUND

[0002] Energy saving and emission reduction is the key to sustainable development, which promotes the adjustment of energy structure and the development and application of battery technology. The development of battery technology lies in electrochemical energy storage technology, which has been widely used in portable electronics, electric vehicles and energy storage systems due to its high energy density, good cycle ability, high working voltage, environmental protection and low self-discharge.

[0003] In the energy storage system, energy storage usually needs to be carried out through multiple energy storage stations, and some energy storage stations may be in abnormal state such as fire during operation. How to reduce the influence of energy storage stations in abnormal state on other energy storage stations becomes a problem to be solved. CONTENT OF THE UTILITY MODEL

[0004] The main purpose of the present application is to provide a protection system, which aims to solve the technical problem that abnormal energy storage stations easily affect normal energy storage stations in the prior art.

[0005] To solve the above problems, the present application provides a protection system, which is applied to an energy storage system, the energy storage system comprising multiple energy storage stations, the protection system comprising a protection device, an electromagnetic device and a moving device, the protection device being configured to separate different energy storage stations; the electromagnetic device being arranged to be fixed with the protection device in one of an energized state and a de-energized state, and to be released from the protection device in the other of the energized state and the de-energized state, the electromagnetic device being configured to be able to switch between the energized state and the de-energized state; the moving device being connected with the electromagnetic device, and the moving device being used to drive the protection device to separate different energy storage stations in a state where the electromagnetic device fixes the protection device. Thus, the protection device in the state of being fixed by the electromagnetic device can be driven by the moving device to a position where it can separate different energy storage stations, and the protection device can be released from the position and released, so that different energy storage stations can be separated by the protection device, and then the abnormal energy storage stations can be separated from other energy storage stations when some energy storage stations are in abnormal state, reducing the risk of abnormal energy storage stations affecting normal energy storage stations, improving the flexibility of the arrangement of the protection device, and improving the space utilization rate without setting the protection device between different energy storage stations.

[0006] In some embodiments, the electromagnetic device comprises an electromagnetic conversion assembly, an elastic member and a locking member, the elastic member is arranged between the locking member and the electromagnetic conversion assembly, the electromagnetic conversion assembly magnetically attracts the locking member and compresses the elastic member in the energized state to make the locking member in the first position, the electromagnetic conversion assembly releases the compression state of the elastic member in the de-energized state to make the locking member in the second position different from the first position, wherein the locking member is used to fix the protection device in one of the first position and the second position, and release the fixation with the protection device in the other of the first position and the second position. Thus, the locking member can be switched between the first position and the second position by the energized state and the de-energized state of the electromagnetic conversion assembly, so as to fix or release the protection device, thereby improving the arrangement flexibility of the electromagnetic protection device.

[0007] In some embodiments, the locking member comprises a magnetic attraction part and a locking part, the elastic member is arranged between the magnetic attraction part and the electromagnetic conversion assembly, the locking part is connected to the magnetic attraction part away from the elastic member, and the locking part is used to fix the protection device. Thus, the electromagnetic conversion assembly attracts the magnetic attraction part in the energized state, and stops attracting the magnetic attraction part in the de-energized state, so as to make the locking part close to or away from the electromagnetic conversion assembly, thereby improving the connection flexibility of the electromagnetic device and the protection device.

[0008] In some embodiments, the locking part comprises a first extension part and a second extension part, the first extension part is arranged in the intersecting direction intersecting the compression direction of the elastic member, the second extension part is arranged in the compression direction, and the two ends of the first extension part in the intersecting direction are connected to the second extension part and the magnetic attraction part respectively, and the second extension part is used to fix the protection device. Thus, the second extension part is connected to the elastic member through the first extension part, so as to make the second extension part move in the axis different from the elastic member, and the elastic member can drive the second extension part to move in the compression direction through the first extension part, so as to fix or release the protection device, thereby improving the connection stability and flexibility of the electromagnetic device and the protection device.

[0009] In some embodiments, the electromagnetic conversion assembly comprises an electromagnetic main part, a coil and an electromagnetic conversion part, the electromagnetic conversion part is connected to the electromagnetic main part, and the coil is embedded in the electromagnetic main part and arranged around the electromagnetic conversion part. Thus, the coil is in the energized state, the electromagnetic conversion part generates magnetism, so as to make the electromagnetic conversion part magnetically attract the locking member and compress the elastic member, and the coil is in the de-energized state, the magnetism of the electromagnetic conversion part disappears, so as to release the compression state of the elastic member, thereby simplifying the structure and reducing the production cost.

[0010] In some embodiments, the electromagnetic main body has a guide channel, and the electromagnetic conversion part, the elastic element, and at least part of the locking element are located within the guide channel, with the energized coil arranged around the guide channel. Thus, at least part of the locking element can be guided to move within the guide channel, facilitating effective compression and release of the elastic element by the locking element along the guide channel, thereby improving the stability and reliability of the protection system.

[0011] In some embodiments, the electromagnetic device includes a detection element connected to an electromagnetic conversion assembly, and the locking member includes a blocking portion for blocking at least a portion of the detection port of the detection element at a first position or a second position. Thus, by blocking at least a portion of the detection port of the detection element at the first or second position, the detection element can more easily detect whether the locking member has reached the first or second position, thereby improving the reliability of the protection system.

[0012] In some embodiments, the electromagnetic device further includes a power supply box electrically connected to the mobile device, which is configured to energize or de-energize the electromagnetic device via the power supply box. Thus, the mobile device can supply power to the electromagnetic device through the power supply box, thereby energizing or de-energizing the electromagnetic device, improving the integration of the protection system and the flexibility of the protection device's layout.

[0013] In some embodiments, the protective device includes a heat-insulating body and a protective frame, with the heat-insulating body embedded in the protective frame, which is used to fix the electromagnetic device. Thus, the protective device can be fixed to the electromagnetic device via the protective frame, while the heat-insulating body isolates heat from both sides of the protective device, thereby reducing the risk of abnormal energy storage stations affecting normal energy storage stations.

[0014] In some embodiments, the protective frame is provided with hanging holes for inserting and fixing the electromagnetic device. Thus, the protective frame can be inserted and fixed to the electromagnetic device through the hanging holes, resulting in a simple structure and cost-effectiveness.

[0015] In some embodiments, the protective frame includes an upper frame with a centrally located hanging hole on the upper frame. Therefore, by placing the hanging hole on the upper frame, the protective device can be better balanced when it is plugged into and fixed to the electromagnetic device, improving its stability and reducing the risk of swaying.

[0016] In some embodiments, the protective device includes a bottom support plate and at least one inclined bracket. A protective frame is disposed on the bottom support plate. One end of the inclined bracket is connected to the end of the protective frame away from the bottom support plate, and the other end is spaced apart from the protective frame and connected to the bottom support plate. Thus, the inclined bracket and the bottom support plate cooperate with each other, facilitating the placement of the protective device at locations separating different energy storage stations, thereby improving the stability of the protective device.

[0017] In some embodiments, the mobile device includes a rotor assembly, a fuselage, and a fixed shaft. The fuselage is connected to both the rotor assembly and the fixed shaft, and the fixed shaft is used to connect to the electromagnetic device. Thus, the electromagnetic device can be driven to fly by the rotor assembly, the fuselage, and the fixed shaft, thereby driving the protective device to locations separated from different energy storage stations for placement, improving the flexibility and efficiency of the protective device's deployment. Attached Figure Description

[0018] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0019] Figure 1 This is a schematic diagram of the structure of an energy storage system and a protection system according to one or more embodiments of this application;

[0020] Figure 2 This is a first structural schematic diagram of a protection system according to one or more embodiments of this application;

[0021] Figure 3 This is a second structural schematic diagram of a protection system according to one or more embodiments of this application;

[0022] Figure 4 This is a third structural schematic diagram of a protection system according to one or more embodiments of this application;

[0023] Figure 5 This is a fourth structural schematic diagram of a protection system according to one or more embodiments of this application.

[0024] Reference numerals: Energy storage system 1; Energy storage station 100; Protection system 2; Protection device 10; Heat insulation body 11; Protection frame 12; Hanging hole 121; Upper frame 122; Bottom support plate 13; Slanted bracket 14; Electromagnetic device 20; Electromagnetic conversion assembly 21; Electromagnetic body 211; Guide channel 2111; Energized coil 212; Electromagnetic conversion part 213; Elastic element 22; Locking element 23; Magnetic suction part 231; Locking part 232; Shielding part 233; First extension part 2321; Second extension part 2322; Detection element 24; Energized box 25; Moving device 30; Rotor assembly 31; Fuselage 32; Fixed shaft 33; Compression direction x1; Cross direction x2. Detailed Implementation

[0025] The embodiments of the technical solution of this application will now be described in detail with reference to the accompanying drawings. These embodiments are only used to more clearly illustrate the technical solution of this application and are therefore merely examples, and should not be used to limit the scope of protection of this application.

[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application pertains; the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the application; the terms “comprising” and “having”, and any variations thereof, in the specification, claims, and foregoing description of the drawings are intended to cover non-exclusive inclusion.

[0027] In the description of the embodiments of this application, technical terms such as "first" and "second" are used only to distinguish different objects and should not be construed as indicating or implying relative importance or implicitly specifying the number, specific order, or primary and secondary relationship of the indicated technical features. In the description of the embodiments of this application, "multiple" means two or more, unless otherwise explicitly defined.

[0028] In this document, the term "embodiment" means that a particular feature, structure, or characteristic described in connection with an embodiment may be included in at least one embodiment of this application. The appearance of this phrase in various places throughout the specification does not necessarily refer to the same embodiment, nor is it a separate or alternative embodiment mutually exclusive with other embodiments. It will be explicitly and implicitly understood by those skilled in the art that the embodiments described herein can be combined with other embodiments.

[0029] In the description of the embodiments in this application, the term "and / or" is merely a description of the relationship between related objects, indicating that three relationships can exist. For example, A and / or B can represent: A existing alone, A and B existing simultaneously, and B existing alone. Additionally, the character " / " in this document generally indicates that the preceding and following related objects have an "or" relationship.

[0030] In the description of the embodiments of this application, the term "multiple" refers to two or more (including two), similarly, "multiple sets" refers to two or more (including two sets), and "multiple pieces" refers to two or more (including two pieces).

[0031] In the description of the embodiments of this application, the technical terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the embodiments of this application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the embodiments of this application.

[0032] In the description of the embodiments of this application, unless otherwise expressly specified and limited, technical terms such as "installation," "connection," "joining," and "fixing" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. For those skilled in the art, the specific meaning of the above terms in the embodiments of this application can be understood according to the specific circumstances.

[0033] Currently, judging from market trends, battery applications are becoming increasingly widespread. Batteries are not only used in energy storage systems such as hydropower, thermal power, wind power, and solar power plants, but also extensively in electric vehicles such as electric bicycles, electric motorcycles, and electric cars, as well as in military equipment and aerospace. With the continuous expansion of battery applications, market demand is also constantly increasing.

[0034] An energy storage system is a device system that stores, converts, and releases cyclical electrical energy through electrochemical cells or electromagnetic energy storage media. Energy storage systems can be used to store electrical energy for wind power systems, solar power systems, mobile power systems, or temporary power supply systems. An energy storage system includes multiple energy storage stations, which can be, but are not limited to, energy storage containers, energy storage distribution cabinets, and battery swapping stations. An energy storage station typically includes multiple energy storage units; for example, energy storage units can be, but are not limited to, battery devices. Energy storage systems can store electrical energy during off-peak hours and provide power to relevant users or electrical equipment during peak hours. Wind power systems collect wind energy from wind turbines, convert it into electrical energy, and then store it in an energy storage system. Solar power systems can convert solar energy into electrical energy, store it in an energy storage system, and supply it to users as needed. Mobile power systems can supply power to relevant electrical equipment in areas where the mains power supply cannot reach, such as remote mountainous areas and remote wilderness areas. Temporary power supply systems can provide power to users when the power supply is insufficient.

[0035] Energy storage systems typically require multiple energy storage stations for energy storage. Some of these stations may experience abnormal conditions such as fires during operation. Therefore, minimizing the impact of an abnormal energy storage station on other energy storage stations is an urgent problem to be solved.

[0036] To address the technical problems existing in related technologies, a protection system is provided. The protection system includes a protection device, an electromagnetic device, and a moving device. The moving device can fix the protection device through the electromagnetic device, move the protection device to a position that can separate different energy storage stations, and release the protection device at the corresponding position. This allows the protection device to separate abnormal energy storage stations, reduce the risk of abnormal energy storage stations affecting normal energy storage stations, and improve the deployment flexibility of the protection device.

[0037] Please combine Figures 1-2 , Figure 1 This is a schematic diagram of the structure of an energy storage system and a protection system according to one or more embodiments of this application; Figure 2 This is a first structural schematic diagram of a protection system according to one or more embodiments of this application.

[0038] The protection system 2 is applied to the energy storage system 1, which includes multiple energy storage stations 100. The protection system 2 includes a protection device 10, an electromagnetic device 20, and a moving device 30. The protection device 10 is configured to separate different energy storage stations 100. The electromagnetic device 20 is configured to be fixed to the protection device 10 in one of the energized and de-energized states, and to be released from the protection device 10 in the other of the energized and de-energized states. The electromagnetic device 20 is configured to switch between the energized and de-energized states. The moving device 30 is connected to the electromagnetic device 20 and is used to move the protection device 10 to separate different energy storage stations 100 when the electromagnetic device 20 is fixing the protection device 10.

[0039] The protective device 10 can separate different energy storage stations 100, thereby protecting the energy storage stations 100. For example, multiple energy storage stations 100 are arranged in an array, with intervals between them. The protective device 10 can be placed in the intervals between adjacent energy storage stations 100, thus separating them. The protective device 10 can be, but is not limited to, fire-fighting devices, including, but not limited to, fire barriers. The mobile device 30 can move between multiple energy storage stations 100. For example, the mobile device 30 can move, but is not limited to, on the ground and in the air. It is understood that when the protective device 10 and the electromagnetic device 20 are fixed, the mobile device 30 can act as a carrier to support the protective device 10, thereby moving the protective device 10 along with the mobile device 30. For example, the mobile device 30 can be, but is not limited to, vehicles and drones.

[0040] The electromagnetic device 20 is configured to be fixed to the protective device 10 in one of the energized and de-energized states, and to be released from the protective device 10 in the other of the energized and de-energized states. Exemplarily, the electromagnetic device 20 may be, but is not limited to, an electromagnetic lock, etc. It is understood that the electromagnetic device 20 may be configured to be fixed to the protective device 10 when energized and released from the protective device 10 when de-energized, or it may be configured to be fixed to the protective device 10 when de-energized and released from the protective device 10 when energized. It should be noted that configuring the electromagnetic device 20 to be fixed to the protective device 10 when de-energized and released from the protective device 10 when energized reduces the risk of the protective device 10 accidentally falling off when the electromagnetic device 20 is accidentally de-energized, thus improving the reliability of the protective system 2. Optionally, the electromagnetic device 20 may be powered by a moving device 30, or a power source may be provided on the electromagnetic device 20 and powered by that power source, which may be, but is not limited to, a battery, etc.

[0041] As an example, taking the protective device 10 as a fire baffle, when an energy storage station 100 experiences an abnormal fire, the moving device 30 can be fixed to the protective device 10 via the electromagnetic device 20, moving the protective device 10 to the vicinity of the burning energy storage station 100, and releasing the protective device 10 at a predetermined placement position. This isolates the burning energy storage station 100 from other adjacent normal energy storage stations 100, reducing the risk of the burning energy storage station 100 affecting normal energy storage stations 100. The predetermined placement position refers to a pre-determined location of the protective device 10 near the energy storage station 100. When the protective device 10 is placed at the predetermined position, it effectively separates the different energy storage stations 100. In some application scenarios, two or more adjacent energy storage stations 100 may simultaneously be in an abnormal state such as on fire. The mobile device 30 can move the protective device 10 to separate multiple adjacent burning energy storage stations 100 from other normal energy storage stations 100. It is understandable that, compared to setting up fixed protective equipment near each energy storage station 100, the method of deploying the protective device 10 by moving the mobile device 30 allows the protective system 2 to be deployed in a standby state in vacant space away from the energy storage stations 100 when all energy storage stations 100 are in normal condition. This reduces the risk of occupying the deployment space of the energy storage stations 100, significantly improves the space utilization rate among multiple energy storage stations 100, and effectively saves costs.

[0042] It should be noted that during the process of separating the same energy storage station 100, one or more protective devices 10 may be required. The specific configuration can be determined according to the actual situation. For example, multiple different protective devices 10 can be transported and arranged sequentially by a single mobile device 30, or each mobile device 30 can transport one protective device 10, and multiple mobile devices 30 can simultaneously move multiple different protective devices 10 to arrange them around the abnormal energy storage station 100. This allows the multiple different protective devices 10 to cooperate with each other to completely separate the abnormal energy storage station 100 from other adjacent normal energy storage stations 100. Specifically, during the process of transporting and arranging multiple different protective devices 10 sequentially by a single mobile device 30, the mobile device 30 can arrange the protective devices 10 sequentially around the abnormal energy storage station 100 in a clockwise or counterclockwise direction. Optionally, the energy storage system 1 can communicate with the mobile device 30, thereby facilitating the energy storage system 1 to provide specific protection information to the mobile device 30 and control the mobile device 30 to perform specific protection actions. The protection information may include, but is not limited to, the location information of the abnormal energy storage station 100, the required number of protection devices 10, and changes in the fire situation. When there are multiple mobile devices 30, they can also communicate with each other, facilitating cooperation among the different mobile devices 30 in deploying the protection devices 10.

[0043] Through the above implementation method, the protective device 10, which is fixed in the electromagnetic device 20, can be moved by the mobile device 30 to a position that can separate different energy storage stations 100, and the fixed position can be released and the protective device 10 can be released at the corresponding position. In this way, different energy storage stations 100 can be separated by the protective device 10. In this way, when some energy storage stations 100 are in an abnormal state, the abnormal energy storage station 100 can be separated from other energy storage stations 100, reducing the risk of the abnormal energy storage station 100 affecting the normal energy storage station 100, improving the flexibility of the arrangement of the protective device 10, and at the same time, it is not necessary to set the protective device 10 between different energy storage stations 100 in a normal state, thus improving the space utilization rate.

[0044] In some embodiments, the mobile device 30 includes a rotor assembly 31, a fuselage 32, and a fixed shaft 33. The fuselage 32 is connected to both the rotor assembly 31 and the fixed shaft 33, and the fixed shaft 33 is used to connect to the electromagnetic device 20. The mobile device 30 may be, but is not limited to, a drone. The rotor assembly 31 can drive the fuselage 32 and the fixed shaft 33 to fly in the air. The fixed shaft 33 is connected to the electromagnetic device 20, thereby facilitating the mobile device 30 to drive the electromagnetic device 20 and the protective device 10 to fly in the air, improving the flexibility of the protection system 2. For example, when an abnormal state such as a fire occurs in the energy storage station 100, the mobile device 30 can drive the protective device 10 to a predetermined placement position and release the protective device 10 at the predetermined placement position, so that the protective device 10 separates the abnormal energy storage station 100 from the normal energy storage station 100. In some application scenarios, the protection system 2 includes multiple mobile devices 30, each equipped with a communication module. Different mobile devices 30 can communicate with each other through the communication module, thereby facilitating the sharing of information among multiple mobile devices 30, including but not limited to location information, information on the deployed protection devices 10, and the number of remaining protection devices 10, thus improving the deployment flexibility and efficiency of the protection devices 10. Consequently, the electromagnetic device 20 can be driven to fly by the rotor assembly 31, the fuselage 32, and the fixed shaft 33, thereby driving the protection device 10 to the locations of the energy storage stations 100 separated from each other and placing it there, further improving the deployment flexibility and efficiency of the protection device 10.

[0045] Combination Figures 3-4 , Figure 3 This is a second structural schematic diagram of a protection system according to one or more embodiments of this application; Figure 4 This is a third structural schematic diagram of a protection system according to one or more embodiments of this application.

[0046] In some embodiments, the electromagnetic device 20 includes an electromagnetic conversion assembly 21, an elastic member 22, and a locking member 23. The elastic member 22 is disposed between the locking member 23 and the electromagnetic conversion assembly 21. When energized, the electromagnetic conversion assembly 21 magnetically attracts the locking member 23 and compresses the elastic member 22 to place the locking member 23 in a first position. When de-energized, the electromagnetic conversion assembly 21 releases the compression of the elastic member 22, placing the locking member 23 in a second position different from the first position. The locking member 23 is used to fix the protective device 10 in one of the first and second positions, and to release it from the protective device 10 in the other position. The electromagnetic conversion assembly 21 is capable of generating magnetism and magnetically attracting the locking member 23 when energized, and is capable of demagnetizing and releasing the locking member 23 when de-energized. Understandably, when the electromagnetic conversion component 21 is in the state of magnetic locking member 23, locking member 23 will move closer to the electromagnetic conversion component 21 to the first position and compress the elastic member 22 located between them. When the electromagnetic conversion component 21 is demagnetized, locking member 23 will be pushed to the second position under the elastic action of elastic member 22. Elastic member 22 can be, but is not limited to, a spring. Understandably, locking member 23 can fix the protective device 10 at the first position and release it from the protective device 10 at the second position, or it can fix the protective device 10 at the second position and release it from the protective device 10 at the first position. Optionally, setting locking member 23 to fix the protective device 10 at the second position can reduce the risk of the protective device 10 accidentally falling off when the electromagnetic device 20 is unexpectedly de-energized, thus improving the reliability of the protection system 2. It is understood that the protective device 10 may be provided with a locking part 232 that cooperates with the locking member 23, thereby facilitating the cooperation between the locking member 23 and the locking part 232 to fix the protective device 10 and the electromagnetic device 20. Thus, the locking member 23 can be switched between a first position and a second position by controlling the energized and de-energized states of the electromagnetic conversion component 21, thereby fixing or releasing the electromagnetic device 20 from the protective device 10, improving the layout flexibility of the electromagnetic protective device 10.

[0047] In some embodiments, the locking member 23 includes a magnetic attraction portion 231 and a locking portion 232. An elastic member 22 is disposed between the magnetic attraction portion 231 and the electromagnetic conversion assembly 21. The locking portion 232 is connected to the end of the magnetic attraction portion 231 away from the elastic member 22, and is used to fix the protective device 10. It is understood that the magnetic attraction portion 231 can be attracted by the electromagnetic conversion assembly 21 in a magnetic state. The material of the magnetic attraction portion 231 can be, but is not limited to, iron, cobalt, nickel, or their alloys. The material of the locking portion 232 can be magnetically attracted or unaffected by magnetism; no limitation is made here. When the electromagnetic conversion assembly 21 is energized, it attracts the magnetic attraction portion 231, thereby moving the locking portion 232 to a first position. When the electromagnetic conversion assembly 21 is de-energized, the elastic member 22 pushes the magnetic attraction portion 231 to move the locking portion 232 to a second position. Therefore, the electromagnetic conversion component 21 attracts the magnetic part 231 when it is energized and stops attracting the magnetic part 231 when it is de-energized, thereby causing the locking part 232 to move closer to or further away from the electromagnetic conversion component 21, thus improving the connection flexibility between the electromagnetic device 20 and the protective device 10.

[0048] In some embodiments, the locking portion 232 includes a first extension 2321 and a second extension 2322. The first extension 2321 extends along a cross direction x2 intersecting the compression direction x1 of the elastic member 22. The second extension 2322 extends along the compression direction x1. The two ends of the first extension 2321 in the cross direction x2 are respectively connected to the second extension 2322 and the magnetic suction portion 231. The second extension 2322 is used to fix the protective device 10. It can be understood that the first extension 2321 and the second extension 2322 cooperate with each other, making the locking portion 232 generally L-shaped. During the movement of the locking portion 232, the axis of motion of the second extension 2322 is different from the axis of motion of the elastic member 22 but parallel to each other. By reasonably setting the extension length of the first extension 2321, the specific fixed position of the protective device 10 in the cross direction x2 can be adjusted according to actual needs, which facilitates the rational use of space and improves the flexibility of the fixed position of the protective device 10. Thus, the second extension 2322 is connected to the elastic member 22 through the first extension 2321, so that the second extension 2322 can move on a different axis of motion than the elastic member 22. At the same time, the elastic member 22 can drive the second extension 2322 to move along the compression direction x1 through the first extension 2321, so that the second extension 2322 can fix or release the protective device 10, thereby improving the connection stability and flexibility between the electromagnetic device 20 and the protective device 10.

[0049] In some embodiments, the electromagnetic conversion assembly 21 includes an electromagnetic main body 211, an energized coil 212, and an electromagnetic conversion part 213. The electromagnetic conversion part 213 is connected to the electromagnetic main body 211, and the energized coil 212 is embedded in the electromagnetic main body 211 and arranged around the electromagnetic conversion part 213. The electromagnetic main body 211 can serve as the main body of the electromagnetic conversion assembly 21, providing fixation and support for the energized coil 212 and the electromagnetic conversion part 213. The electromagnetic conversion part 213 can be, but is not limited to, a fixed iron core. Exemplarily, when the energized coil 212 is energized, the electromagnetic conversion part 213 can generate magnetism, thereby magnetically attracting the locking member 23, causing the locking member 23 to be located in one of a first position and a second position. When the energized coil 212 is de-energized, the electromagnetic conversion part 213 cannot magnetically attract the locking member 23, causing the locking member 23 to be located in the other of the first and second positions under the action of the elastic member 22. Therefore, when the energized coil 212 is energized, the electromagnetic conversion part 213 generates magnetism, which causes the electromagnetic conversion part 213 to magnetically attract the locking member 23 and compress the elastic member 22. When the energized coil 212 is de-energized, the magnetism of the electromagnetic conversion part 213 disappears, thereby releasing the compression state of the elastic member 22. The structure is simple and reduces production costs.

[0050] In some embodiments, the electromagnetic body 211 forms a guide channel 2111, the electromagnetic conversion part 213, the elastic member 22, and at least a portion of the locking member 23 are located within the guide channel 2111, and the energized coil 212 is disposed around the guide channel 2111. It is understood that the guide channel 2111 can guide at least a portion of the locking member 23 to move along the guide channel 2111 and compress the elastic member 22 along the guide channel 2111. Exemplarily, the electromagnetic conversion part 213 may be located at one end of the guide channel 2111. When the energized coil 212 is energized, the electromagnetic conversion part 213 generates magnetism, thereby magnetically attracting the locking member 23. The locking member 23 moves along the guide channel 2111 towards the electromagnetic conversion part 213 and compresses the elastic member 22. When the energized coil 212 is de-energized, the electromagnetic conversion part 213 is non-magnetic, and the locking member 23 is located at the end away from the electromagnetic conversion part 213 under the action of the elastic member 22. Therefore, at least part of the locking member 23 can be guided to move within the guide channel 2111, which facilitates the locking member 23 to effectively compress and release the elastic member 22 along the guide channel 2111, thereby improving the stability and reliability of the protection system 2.

[0051] In some embodiments, the electromagnetic device 20 includes a detection element 24 connected to an electromagnetic conversion assembly 21. The locking member 23 includes a blocking portion 233 for blocking at least a portion of the detection port of the detection element 24 at a first position or a second position. The detection element 24 may be, but is not limited to, a visual detection component, a beam detection component, etc. For example, taking the detection element 24 as a beam detection component, the detection element 24 may emit a detection beam, which may include, but is not limited to, visible light or invisible light. Specifically, when the detection beam is invisible light, the detection beam may be an infrared beam. In some application scenarios, when the locking member 23 is in the first position, the electromagnetic device 20 and the protective device 10 are fixed. The blocking part 233 is configured to block at least part of the detection port of the detection element 24 in the first position. It can be understood that if the locking member 23 correctly reaches the first position, the blocking member can block and reflect the detection beam emitted from at least part of the detection port. The detection element 24 can receive the reflected detection beam and generate a fixed-position detection signal. If the locking member 23 fails to reach the first position due to jamming or other reasons, the blocking member cannot effectively block the detection beam, and the detection element 24 can generate an unfixed-position detection signal. Taking the detection element 24 as a visual detection component as an example, if the detection element 24 detects the blocking part 233, it can generate a fixed-position detection signal; if the detection element 24 does not detect the blocking part 233, it can generate an unfixed-position detection signal. It should be noted that the specific detection method can be set according to the specific conditions of the first and second positions and the specific correspondence between the power-off and power-on states of the electromagnetic device 20 and the fixed state of the protective device 10. Therefore, the shielding part 233 can shield at least part of the detection port of the detection element 24 in the first or second position, thereby facilitating the detection element 24 to detect whether the locking member 23 has reached the first or second position, and improving the reliability of the protection system 2.

[0052] In some embodiments, the electromagnetic device 20 further includes a power-on box 25, which is electrically connected to the mobile device 30. The mobile device 30 is configured to keep the electromagnetic device 20 energized or de-energized via the power-on box 25. It is understood that the mobile device 30 can directly supply power to the electromagnetic device 20 through the power-on box 25. For example, during the movement of the protective device 10 by the mobile device 30, the mobile device 30 can keep the electromagnetic device 20 de-energized via the power-on box 25, thus fixing the protective device 10 and the electromagnetic device 20. When the mobile device 30 moves the protective device 10 to a predetermined placement position, the mobile device 30 can keep the electromagnetic device 20 energized via the power-on box 25, thereby releasing the fixation between the protective device 10 and the electromagnetic device 20 and facilitating the arrangement of the protective device 10. Thus, the mobile device 30 can supply power to the electromagnetic device 20 via the power-on box 25, keeping the electromagnetic device 20 energized or de-energized, thereby improving the integration of the protection system 2 and the arrangement flexibility of the protective device 10.

[0053] Combination Figure 5 , Figure 5 This is a fourth structural schematic diagram of a protection system according to one or more embodiments of this application.

[0054] In some embodiments, the protective device 10 includes a heat-insulating body 11 and a protective frame 12. The heat-insulating body 11 is embedded in the protective frame 12, and the protective frame 12 is used to fix the electromagnetic device 20. The heat-insulating body 11 may be made of a material with good heat insulation performance. For example, the heat-insulating body 11 may be, but is not limited to, a heat-insulating ceramic plate. The heat-insulating body 11 is embedded in the protective frame 12, thereby facilitating the fixation of the electromagnetic device 20 to the heat-insulating body 11 via the protective frame 12. It is understood that in the event of an abnormal state where the energy storage station 100 catches fire, the protective device 10 can separate the abnormal energy storage station 100 from the normal energy storage station 100 through the heat-insulating body 11, reducing the heat generated by thermal runaway from spreading and transferring to the adjacent normal energy storage station 100, thereby reducing the risk of thermal runaway of the adjacent normal energy storage station 100 under the influence of excessive heat. Therefore, the protective device 10 can be fixed to the electromagnetic device 20 through the protective frame 12, and the heat on both sides of the protective device 10 can be isolated by the heat insulation body 11, thereby reducing the risk of abnormal energy storage station 100 affecting normal energy storage station 100.

[0055] In some embodiments, the protective frame 12 is provided with a hanging hole 121 for inserting and fixing the electromagnetic device 20. Exemplarily, the electromagnetic device 20 may be provided with a locking member 23. When the electromagnetic device 20 is in either an energized or de-energized state, the locking member 23 can be inserted into the hanging hole 121 to fix the protective device 10. When the electromagnetic device 20 is in either an energized or de-energized state, the locking member 23 exits the hanging hole 121, thereby releasing the fixed state between the electromagnetic device 20 and the protective device 10, allowing the protective device 10 to separate from the electromagnetic device 20 and complete its arrangement. The shape of the hanging hole 121 may include, but is not limited to, a circle, a square, etc. Therefore, the protective frame 12 can be inserted and fixed to the electromagnetic device 20 through the hanging hole 121, resulting in a simple structure and cost-effectiveness.

[0056] In some embodiments, the protective frame 12 includes an upper frame 122, with a suspension hole 121 centrally located on the upper frame 122. It should be noted that centrally located suspension hole 121 on the upper frame 122 means that the suspension hole 121 is located at the center of the upper frame 122, that is, the suspension hole 121 divides the upper frame 122 into two parts of equal length. It is understood that when the overall mass distribution of the protective frame 12 is uniform, centrally located suspension hole 121 on the upper frame 122 can improve the stability of the protective device 10 in its suspended state, and also reduce the difficulty of arranging the protective device 10 after separation from the electromagnetic device 20, reducing the risk of the protective device 10 tipping over. Therefore, by placing the suspension hole 121 on the upper frame 122, the protective device 10 can be better balanced when it is plugged and fixed to the electromagnetic device 20 through the suspension hole 121, improving the stability of the protective device 10 and reducing the risk of the protective device 10 shaking.

[0057] In some embodiments, the protective device 10 includes a bottom support plate 13 and at least one inclined bracket 14. A protective frame 12 is disposed on the bottom support plate 13. One end of the inclined bracket 14 is connected to the end of the protective frame 12 away from the bottom support plate 13, and the other end is spaced apart from the protective frame 12 and connected to the bottom support plate 13. It is understood that, in the direction of gravity, the bottom support plate 13 is located below the protective frame 12. By supporting the protective frame 12 with the bottom support plate 13, the center of gravity of the protective device 10 can be lowered, improving the stability of the protective device 10 and reducing the difficulty of its arrangement. Simultaneously, the inclined bracket 14, the bottom support plate 13, and the upper frame 122 cooperate to form a stable triangular structure, further improving the structural stability of the protective device 10 and reducing the risk of overturning during installation. It should be noted that the number of inclined brackets 14 can be one or more, depending on actual needs. Optionally, the bottom support plate 13 and the inclined bracket 14 are made of materials with good flame-retardant properties, thereby improving their reliability. Therefore, by cooperating with the inclined bracket 14 and the bottom support plate 13, the protective device 10 can be better placed in the positions that separate different energy storage stations 100, thereby improving the stability of the protective device 10.

[0058] In summary, the protection system 2 provided in this application is applied to an energy storage system 1, which includes multiple energy storage stations 100. The protection system 2 includes a protection device 10, an electromagnetic device 20, and a moving device 30. The protection device 10 is configured to separate different energy storage stations 100. The electromagnetic device 20 is configured to be fixed to the protection device 10 in one of the energized and de-energized states, and to be released from the protection device 10 in the other of the energized and de-energized states. The electromagnetic device 20 is configured to switch between the energized and de-energized states. The moving device 30 is connected to the electromagnetic device 20 and is used to drive the protection device 10 to separate different energy storage stations 100 when the electromagnetic device 20 is fixing the protection device 10. Therefore, the protective device 10, which is fixed in the electromagnetic device 20, can be moved by the mobile device 30 to a position that can separate different energy storage stations 100, and the fixed position can be released at the corresponding position. This allows the protective device 10 to separate different energy storage stations 100, thus isolating abnormal energy storage stations 100 from other energy storage stations 100 when some stations are in an abnormal state. This reduces the risk of abnormal energy storage stations 100 affecting normal energy storage stations 100, improves the flexibility of the protective device 10's placement, and eliminates the need to constantly place the protective device 10 between different energy storage stations 100, improving space utilization. Compared to other protection systems, the protection system 2 provided in this application offers better flexibility and higher space utilization.

[0059] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this application, and not to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. These modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this application, and they should all be covered within the scope of the claims and specification of this application. In particular, as long as there is no structural conflict, the various technical features mentioned in the embodiments can be combined in any way. This application is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A protection system applied to an energy storage system, the energy storage system comprising multiple energy storage stations, characterized in that, The protection system includes: Protective devices are configured to separate the different energy storage stations; An electromagnetic device is configured to be fixed to the protective device in one of an energized state and an de-energized state, and to be released from the protective device in the other of an energized state and a de-energized state, and the electromagnetic device is configured to be able to switch between an energized state and a de-energized state. A mobile device is connected to the electromagnetic device, and the mobile device is used to drive the protective device to separate different energy storage stations while the electromagnetic device fixes the protective device.

2. The protection system according to claim 1, characterized in that, The electromagnetic device includes an electromagnetic conversion component, an elastic element, and a locking element. The elastic element is disposed between the locking element and the electromagnetic conversion component. When the electromagnetic conversion component is energized, it magnetically attracts the locking element and compresses the elastic element to place the locking element in a first position. When the electromagnetic conversion component is de-energized, it releases the compression of the elastic element to place the locking element in a second position different from the first position. The locking element is used to fix the protective device in one of the first and second positions, and to release it from the protective device in the other of the first and second positions.

3. The protection system according to claim 2, characterized in that, The locking member includes a magnetic suction part and a locking part. The elastic member is disposed between the magnetic suction part and the electromagnetic conversion assembly. The locking part is connected to the end of the magnetic suction part away from the elastic member. The locking part is used to fix the protective device.

4. The protection system according to claim 3, characterized in that, The locking part includes a first extension and a second extension. The first extension extends along a cross direction that intersects with the compression direction of the elastic member. The second extension extends along the compression direction. The two ends of the first extension in the cross direction are respectively connected to the second extension and the magnetic suction part. The second extension is used to fix the protective device.

5. The protection system according to claim 2, characterized in that, The electromagnetic conversion assembly includes an electromagnetic main body, an energized coil, and an electromagnetic conversion part. The electromagnetic conversion part is connected to the electromagnetic main body, and the energized coil is embedded in the electromagnetic main body and arranged around the electromagnetic conversion part.

6. The protection system according to claim 5, characterized in that, The electromagnetic main body has a guide channel, the electromagnetic conversion part, the elastic member and at least part of the locking member are located in the guide channel, and the energized coil is arranged around the guide channel.

7. The protection system according to claim 2, characterized in that, The electromagnetic device includes a detection element connected to the electromagnetic conversion assembly. The locking member includes a blocking portion for blocking at least a portion of the detection port of the detection element at the first position or the second position.

8. The protection system according to claim 1, characterized in that, The electromagnetic device also includes a power-on box, which is electrically connected to the mobile device. The mobile device is configured to allow the electromagnetic device to be in a powered-on or powered-off state via the power-on box.

9. The protection system according to any one of claims 1 to 8, characterized in that, The protective device includes a heat-insulating body and a protective frame. The heat-insulating body is embedded in the protective frame, and the protective frame is used to fix the electromagnetic device.

10. The protection system according to claim 9, characterized in that, The protective frame is provided with hanging holes for the electromagnetic device to be inserted and fixed.

11. The protection system according to claim 10, characterized in that, The protective frame includes an upper frame, and the hanging hole is centrally located on the upper frame.

12. The protection system according to claim 9, characterized in that, The protective device includes a bottom support plate and at least one inclined bracket. The protective frame is disposed on the bottom support plate. One end of the inclined bracket is connected to the end of the protective frame away from the bottom support plate, and the other end is spaced apart from the protective frame and connected to the bottom support plate.

13. The protection system according to any one of claims 1 to 8, characterized in that, The mobile device includes a rotor assembly, a fuselage, and a fixed shaft. The fuselage is connected to the rotor assembly and the fixed shaft, and the fixed shaft is used to connect to the electromagnetic device.

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