Battery separation device and electric equipment

Abstract

The utility model provides a battery disengaging device and electric equipment, the battery disengaging device comprises a moving assembly, a locking structure and a control module, the moving assembly comprises a base and a moving part, and the moving part is slidably connected with the base; the locking structure is provided with a locking groove, the moving part is partially arranged in the locking groove and abuts against the locking structure, and the locking structure is used for being connected with the battery assembly so that the moving part can fix the battery assembly in the battery bin through the locking structure. And the control module is in communication connection with the moving assembly, and the control module is used for controlling the moving part to move in the direction away from the locking groove, so that the moving part is separated from the locking groove. According to the battery separation device, separation of the battery assembly can be achieved, and safety is improved. The electric equipment comprises an equipment main body and the battery separation device, the equipment main body is provided with a battery bin, and the battery separation device is located in the battery bin, so that the electric equipment is separated from the battery assembly in the power utilization process, and the power utilization safety is improved.

Description

Technical Field

[0001] The present application relates to the field of battery safety technology, and in particular to a battery detachment device and electrical equipment. Background Art

[0002] As an energy supply device for electric vehicles and other electrical equipment, battery packs are usually fixed in the battery compartment of the electrical equipment using connection structures such as bolts. However, when the battery pack catches fire due to factors such as thermal runaway, it is difficult for the battery pack to be separated from the main body of the electrical equipment in time, which can easily cause the fire to spread further, increase property losses, and pose a threat to users, making it difficult to ensure safety. Utility Model Content

[0003] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a battery detachment device that can detach a battery pack from a main body of an electrical device, which is beneficial to reducing property losses and improving safety.

[0004] The present application also proposes an electrical device having the battery disconnection device.

[0005] According to the first aspect of the present application, the battery disengagement device includes a moving component, a locking structure and a control module;

[0006] The moving assembly includes a base and a moving member, and the moving member is slidably connected to the base;

[0007] The locking structure is provided with a locking groove, the moving part is partially placed in the locking groove and abuts against the locking structure, and the locking structure is used to connect with the battery assembly so that the moving part fixes the battery assembly in the battery compartment through the locking structure;

[0008] The control module is connected to the moving component for communication, and is used for controlling the moving component to move in a direction away from the locking groove so that the moving component is separated from the locking groove.

[0009] The battery disengagement device according to the embodiment of the present application has at least the following beneficial effects: the control module is used to control the moving part to move away from the locking groove and disengage from the locking groove. After the moving part disengages from the locking groove, it loses the abutting relationship with the locking structure, thereby enabling the battery assembly to be separated from the electrical equipment. Compared with fixing the battery assembly in the battery compartment through connecting structures such as bolts, controlling the moving part to disengage from the locking assembly through the control module effectively increases the speed at which the battery assembly disengages from the battery compartment, limits the further expansion of the fire, and is beneficial to reducing the user's property loss and ensuring the safety of electricity use.

[0010] According to some embodiments of the present application, the base is provided with a accommodating cavity, a first opening and a second opening, a part of the movable part is slidably connected in the accommodating cavity, and the accommodating cavity is divided into two independent first chambers and second chambers, the first chamber is located on the side of the second chamber close to the locking structure, the first opening is connected to the first chamber, and the second opening is connected to the second chamber, and the control module is used to control the working medium to be injected into the first chamber from the first opening to drive the movable part to move in the direction of the second chamber.

[0011] According to some embodiments of the present application, the moving part includes a sealing block and a moving rod. The sealing block is located in the accommodating chamber to separate the accommodating chamber into a first chamber and a second chamber. The moving rod is connected to a side of the sealing block close to the locking structure, and the moving rod is partially placed in the locking groove.

[0012] According to some embodiments of the present application, the locking structure includes a first locking member and a second locking member, the first locking member and the second locking member are detachably connected, and the first locking member and the second locking member jointly define a locking groove.

[0013] According to some embodiments of the present application, the locking structure also includes a connecting shaft, the first locking member is connected to the second locking member through the connecting shaft, the connecting shaft, the first locking member and the second locking member jointly define a locking groove, the part of the movable member placed in the locking groove is also provided with an avoidance groove, and the connecting shaft is placed in the avoidance groove.

[0014] According to some embodiments of the present application, the control module includes a temperature sensor, a first controller, and a second controller, the temperature sensor is communicatively connected to the first controller, and the first controller is communicatively connected to the second controller;

[0015] Among them, the temperature sensor is used to detect the temperature value of the battery assembly, the first controller is configured to compare the temperature value with a preset temperature value, and when the temperature value is greater than the preset temperature value, drive the moving part to move in a direction away from the locking groove through the second controller.

[0016] According to some embodiments of the present application, the battery disengagement device includes a plurality of locking structures and moving components of the same number, at least two locking structures are arranged relative to each other, suitable for connecting with the battery assembly on opposite sides of the battery assembly, and each moving part is placed in a locking groove one by one, and the control module is used to control the multiple moving parts to move synchronously in a direction away from the locking groove, so that each moving part can be synchronously disengaged from the locking groove.

[0017] According to some embodiments of the present application, the battery disengagement device further includes a battery assembly, which is connected to the locking structure, and the control module is used to release the battery assembly by controlling the moving part to move away from the locking groove.

[0018] According to some embodiments of the present application, the battery assembly is also provided with a power supply communicator, which is electrically connected to the control module to feedback the current value to the control module. The control module is configured to control the moving part to disengage from the locking groove when the current value exceeds a preset current value range.

[0019] According to the second aspect of the present application, the electrical equipment includes an equipment body and the battery detachment device in any of the above embodiments, the equipment body is provided with a battery compartment, and the battery detachment device is located in the battery compartment.

[0020] The electrical equipment according to the embodiments of the present application has at least the following beneficial effects: the battery detachment device is located in the battery compartment, and is used to quickly separate the battery assembly from the equipment body when the battery assembly has thermal runaway or catches fire, thereby ensuring the user's electrical safety.

[0021] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present application is further described below with reference to the accompanying drawings and embodiments, wherein:

[0023] Figure 1 This is a schematic diagram of the assembly of the locking structure and the battery assembly of the embodiment of the present application;

[0024] Figure 2 This is a schematic diagram of the structure of the mobile component of the embodiment of the present application;

[0025] Figure 3 This is a schematic diagram of the structure of the electrical equipment in the embodiment of the present application;

[0026] Figure 4 A top view of a moving part according to another embodiment of the present application;

[0027] Figure 5 This is a schematic structural diagram of a moving component according to another embodiment of the present application.

[0028] Reference numerals: moving assembly 100 , base 110 , accommodating chamber 111 , first opening 112 , second opening 113 , first chamber 114 , second chamber 115 , moving member 120 , sealing block 121 , moving rod 122 , avoidance groove 1221 ;

[0029] The locking structure 200, the locking groove 210, the first locking member 220, the second locking member 230, and the connecting shaft 240;

[0030] Battery assembly 300, power supply communicator 310;

[0031] Control module 400, temperature sensor 410, first controller 420, second controller 430;

[0032] Device body 500 and battery compartment 510. DETAILED DESCRIPTION

[0033] The embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present application, and cannot be understood as limiting the present application.

[0034] In the description of the present application, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0035] In the description of this application, "several" means more than one, "more" means more than two, "greater than", "less than", "exceed", etc. are understood to exclude the number itself, and "above", "below", "within", etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0036] In the description of this application, unless otherwise clearly defined, terms such as setting, installing, connecting, etc. should be understood in a broad sense, and technicians in the relevant technical field can reasonably determine the specific meanings of the above terms in this application based on the specific content of the technical solution.

[0037] In the description of the present application, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials, or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0038] The following is an introduction to the embodiments of the present application in conjunction with the accompanying drawings:

[0039] refer to Figures 1 to 3According to the battery disengagement device of the first aspect embodiment of the present application, it includes a moving component 100, a locking structure 200 and a control module 400, the moving component 100 includes a base 110 and a moving part 120, the moving part 120 is slidably connected to the base 110, the locking structure 200 is provided with a locking groove 210, the moving part 120 is partially located in the locking groove 210 and abuts against the locking structure 200, wherein the locking structure 200 is used to connect with the battery assembly 300, the moving part 120 is used to fix the battery assembly 300 in the battery compartment 510 through the locking structure 200, the control module 400 is communicatively connected with the moving component 100, and the control module 400 is used to control the moving part 120 to move in a direction away from the locking groove 210, so that the moving part 120 is disengaged from the locking groove 210, thereby releasing the battery assembly 300. Therefore, after the battery assembly 300 thermally runs away or catches fire, compared with the battery assembly 300 fixed by conventional connection methods such as bolts, under the control of the control module 400, the movable part 120 can quickly disengage from the locking groove 210 to release the battery assembly 300, thereby preventing the battery assembly 300 from catching fire and causing further damage to other parts of the electrical equipment, as well as the personal safety of the user.

[0040] Specifically, the electrical equipment may be a car, the moving component 100 may be a hydraulic cylinder, a slide rail or other mechanical mechanism having a fixed part and a moving part. Taking the moving component 100 as a hydraulic cylinder as an example, the base 110 is the cylinder body, the moving part 120 is the piston rod connected to the cylinder body, the control module 400 includes a hydraulic electric controller, the locking structure 200 is connected to the battery assembly 300 to define a locking groove 210, and part of the moving part 120 is placed in the locking groove 210 and is locked by abutting the locking structure 200. To realize the bearing of the battery assembly 300, when the battery assembly 300 has thermal runaway or catches fire, the control module 400 controls the movable part 120 to move away from the locking groove 210 and disengage from the locking groove 210. After the movable part 120 disengages from the locking groove 210, it loses the support with the locking structure 200, so that the battery assembly 300 drives the locking structure 200 to disengage from the battery compartment 510. After the battery assembly 300 is disengaged, the electrical equipment is prevented from being further burned, which also helps to ensure the life safety of the user.

[0041] refer to Figures 1 to 3 In some embodiments, the movable member 120 slides relative to the base 110 in a horizontal direction, and the movable member 120 resists the locking structure 200 in a vertical direction in the locking groove 210. The gravity direction of the battery assembly 300 is parallel to the direction of the force of the movable member 120 resisting the locking structure 200. Therefore, along the vertical direction, it is only necessary to set the locking structure 200 on the upper side or the lower side of the battery assembly 300. The battery assembly 300 can be fixed and quickly detached through a group of movable components 100 and the locking structure 200, which is beneficial to simplify the structure of the battery detachment device and ensure the safety of the electrical equipment.

[0042] In other embodiments, the moving member 120 slides relative to the base 110 in the horizontal direction, and the moving member 120 abuts against the locking structure in the horizontal direction in the locking groove 210. The gravity direction of the battery assembly 300 is perpendicular to the direction of the force applied by the moving member 120 on the locking structure 200. The moving member 120 fixes the battery assembly 300 through the friction force between the moving member 120 and the locking structure 200 in the vertical direction. Therefore, it is necessary to respectively set the moving assembly 100 and the locking structure 200 on at least two opposite sides of the battery assembly 300. The moving component 100 and the locking structure 200 jointly fix the battery assembly 300, or a group of moving components 100 and a locking structure 200 are arranged on one side of the battery assembly 300, and the other side of the battery assembly 300 is abutted against the device body 500. When the battery assembly 300 has thermal runaway or catches fire, the control module 400 controls the moving part 120 to move away from the locking groove 210 and disengage from the locking groove 210. The battery assembly 300 is separated from the device body 500 under the action of gravity, thereby ensuring the personal safety of the user.

[0043] refer to Figure 1 and Figure 2 In some embodiments, the base 110 is provided with a receiving chamber 111, a first opening 112 and a second opening 113, a part of the moving member 120 is slidably connected in the receiving chamber 111, and the receiving chamber 111 is separated into two mutually independent first chambers 114 and second chambers 115, the first chamber 114 is located on a side of the second chamber 115 close to the locking structure 200, the first opening 112 is communicated with the first chamber 114, the second opening 113 is communicated with the second chamber 115, the control module 400 is used to control the working medium to be injected into the first chamber 114 from the first opening 112, so as to drive the moving member 120 to move toward the second chamber 115, and the second opening 113 is used to discharge The working medium in the second chamber 115 is discharged, and the first chamber 114 and the second chamber 115 are in a sealed state to prevent leakage of the working medium. With the injection of the working medium, the volume of the first chamber 114 gradually increases, and the volume of the second chamber 115 gradually decreases. The second chamber 115 is used to provide a moving space for the movement of the moving part 120. Since the moving part 120 is driven in the accommodating chamber 111, the problem of the moving part 120 being stuck due to the influence of foreign particles, metal debris, plastic fragments and other debris is effectively avoided, which fully ensures that the moving part 120 can be driven out of the locking groove 210 in time when the battery assembly 300 has thermal runaway or fire, thereby ensuring the life safety of the user.

[0044] It should be noted that the working medium can be a liquid medium or a gas medium. The liquid medium can provide a larger torque, and the gas medium can provide a faster reaction speed. The appropriate working medium can be selected according to the weight of the battery assembly 300.

[0045] refer to Figure 5 In some embodiments, the moving member 120 includes a sealing block 121 and a moving rod 122. The sealing block 121 is located in the accommodating chamber 111 to separate the accommodating chamber 111 into a first chamber 114 and a second chamber 115, thereby ensuring that the first chamber 114 and the second chamber 115 are independent of each other. The moving rod 122 is connected to a side of the sealing block 121 close to the locking structure 200, and the first chamber 114 is also located on a side of the sealing block 121 close to the locking structure 200, that is, part of the moving rod 122 is located in the first chamber 114, and part of the moving rod 122 is located outside the first chamber 114 and is placed in the locking groove 210. Compared with other positions where the moving rod 122 is connected to the sealing block 121, the moving rod 122 is connected to a side of the sealing block 121 close to the locking structure 200, which helps to shorten the length of the moving rod 122, thereby reducing the overall size of the moving assembly 100.

[0046] It should be noted that if the first chamber 114 is connected to the second chamber 115, the working medium injected into the first chamber 114 from the first opening 112 will leak into the second chamber 115, thereby destroying the normal movement of the moving part 120. The provision of a sealing member is beneficial to improving the sealing between the first chamber 114 and the second chamber 115, thereby ensuring the normal movement of the moving part 120.

[0047] refer to Figures 1 to 3 In some embodiments, the locking structure 200 includes a first locking member 220 and a second locking member 230, and the first locking member 220 and the second locking member 230 are detachably connected. The first locking member 220 and the second locking member 230 jointly define a locking groove 210, and the detachable connection between the first locking member 220 and the second locking member 230 facilitates the installation between the moving component 100 and the locking structure 200.

[0048] It should be noted that the locking structure 200 is connected to the battery assembly 300, the mobile assembly 100 is fixed in the battery compartment 510, and the mobile assembly 100 is connected to the locking structure 200 so that the moving part 120 is placed in the locking groove 210. If the locking structure 200 is an integrated structure, the moving part 120 needs to be aligned with the locking groove 210 and inserted. The space in the battery compartment 510 is limited. The locking structure 200 is installed on the mobile battery assembly 300, and the locking groove 210 on the locking structure 200 is aligned with the moving part 120 due to space limitations, which is difficult. If the locking structure 200 is first connected to the moving component 100 and then the battery component 300 is connected to the locking structure 200, the connection between the battery component 300 and the locking structure 200 needs to be carried out in the battery compartment 510, which is difficult to install. Therefore, the locking structure 200 is designed to be a detachable first locking member 220 and a second locking member 230. During installation, the first locking member 220 is first installed on the battery component 300, and then the battery component 300 installed with the first locking member 220 is installed in the battery compartment 510, so that the first locking member 220 is aligned with the moving component 100, and finally the second locking member 230 is connected to the first locking member 220, so that part of the moving component 120 is directly accommodated in the locking groove 210, thereby avoiding the installation process of inserting the moving component 120 into the locking groove 210, thereby facilitating the assembly of the moving component 100 and the locking structure 200 in the battery compartment 510.

[0049] refer to Figures 3 to 5 In some embodiments, the locking structure 200 also includes a connecting shaft 240, and the first locking member 220 is connected to the second locking member 230 through the connecting shaft 240. The connecting shaft 240, the first locking member 220 and the second locking member 230 jointly define a locking groove 210. The connecting shaft 240 can be a screw with an external thread, and the first locking member 220 and the second locking member 230 can be nuts with internal threads. The part of the movable member 120 placed in the locking groove 210 is also provided with an avoidance groove 1221, and the connecting shaft 240 is placed in the avoidance groove 1221. The avoidance groove 1221 is used to avoid the connecting shaft 240 when the movable member 120 is placed in the locking groove 210, thereby increasing the contact area between the movable member 120 and the locking structure 200, which is beneficial to improving the stability of the battery assembly 300.

[0050] It should be noted that the connection shaft 240 , the first locking member 220 and the second locking member 230 do not require additional design and production, and standard parts can be directly selected according to needs, which is beneficial to reducing the overall cost of the battery detachment device.

[0051] refer to Figures 1 to 3In some embodiments, the control module 400 also includes a temperature sensor 410, a first controller 420 and a second controller 430. The temperature sensor 410 is communicatively connected to the first controller 420, and the first controller 420 is communicatively connected to the second controller 430. The temperature sensor 410 is used to detect the temperature value of the battery assembly 300. The first controller 420 receives the temperature value and is configured to compare the temperature value with a preset temperature value. When the temperature value is greater than the preset temperature value, the second controller 430 drives the moving part 120 to move in a direction away from the locking groove 210 until it is out of the locking groove 210, thereby separating the battery assembly 300 from the device body 500 when the temperature is too high, thereby improving the safety of electricity use.

[0052] Specifically, the control module 400 has temperature detection, logic judgment and control drive functions. The temperature detection function can be realized by the temperature sensor 410. The first controller 420 can be an equipment controller with a logic judgment function. The second controller 430 can be a hydraulic electric controller. The temperature sensor 410 is used to detect the current temperature value of the battery assembly 300 and feed it back to the first controller 420. The first controller 420 compares the received temperature value with the preset temperature value. When the temperature value is greater than the preset temperature value, the first controller 420 controls the second controller 430, and then the second controller 430 controls the moving part 120 to move in a direction away from the locking groove 210.

[0053] It should be noted that the temperature sensor 410 and the hydraulic electric controller are selected by those skilled in the art according to their needs. In addition, the equipment controller is a feedback loop component widely used in industrial control applications, such as a programmable memory, which generally stores instructions for performing operations such as logical operations, sequential control, timing, counting and arithmetic operations. It controls various types of mechanical equipment or production processes through digital or analog input and output, which can be achieved by those skilled in the art based on the existing control module functions, and its control principles and methods are not elaborated here.

[0054] refer to Figures 1 to 3 In some embodiments, the battery disengagement device includes a plurality of locking structures 200 and moving components 100 of the same number, the plurality of locking structures 200 are configured to be connected to opposite sides of the battery component 300, and each moving member 120 is placed in a locking groove 210 one by one, and the control module 400 is used to control the plurality of moving members 120 to move synchronously in a direction away from the locking groove 210, so that each moving member 120 is synchronously disengaged from the locking groove 210.

[0055] Specifically, the movable part 120 is placed in the locking groove 210 and abuts against the locking structure 200 in the vertical direction. The movable component 100 and the locking structure 200 are arranged on the opposite sides of the battery assembly 300, and the locking structure 200 is abutted in the vertical direction. This can improve the carrying capacity of the battery detachment device and is suitable for carrying heavier battery assemblies 300. When the battery assembly 300 needs to be detached, the movable parts 120 on each movable component 100 are synchronously moved away from the corresponding locking groove 210, so that each movable part 120 loses its abutment with the locking structure 200 synchronously, effectively avoiding the battery assembly 300 from tilting when detaching, and the battery assembly 300 is more smoothly detached from the battery compartment 510.

[0056] refer to Figures 1 to 3 In other embodiments, the battery disengagement device includes a plurality of movable components 100 and a plurality of locking structures 200. The plurality of locking structures 200 are symmetrically distributed on opposite sides of the battery component 300. Accordingly, the plurality of movable components 100 are also symmetrically distributed on opposite sides of the battery component 300, and there are corresponding movable components 100 at positions where the locking structures 200 are provided. By cooperating with the plurality of movable components 100 and the plurality of locking components, the stability of the installation of the battery component 300 can be increased, and the battery component 300 can be prevented from being separated from the battery compartment 510 during normal use.

[0057] It should be noted that when the battery assembly 300 encounters a dangerous situation such as thermal runaway or fire, the moving parts 120 on the multiple moving components 100 move simultaneously to synchronously disengage from the corresponding locking grooves 210 to achieve the disengagement of the battery assembly 300.

[0058] refer to Figure 1 and Figure 2 In some embodiments, the battery disengagement device also includes a battery assembly 300, and the battery assembly 300 is connected to the locking structure 200. The control module 400 is used to release the battery assembly 300 by controlling the moving part 120 to move away from the locking groove 210. The moving component 100, the locking structure 200, the battery assembly 300 and the control module 400 cooperate to increase the disengagement speed between the battery assembly 300 and the electrical equipment when the battery assembly thermally runs away or catches fire, thereby ensuring the safety of electricity use.

[0059] refer to Figure 1 and Figure 2In some embodiments, the battery assembly 300 is further provided with a power supply communicator 310, which is electrically connected to the control module 400 to feed back the current value to the control module 400. The control module 400 is configured to control the moving part 120 to disengage from the locking groove 210 when the current value exceeds the preset current value interval. Thus, in addition to monitoring the working condition of the battery assembly 300 by temperature, the working condition of the battery assembly 300 can also be monitored by current. It should be noted that when the battery assembly 300 is thermally runaway or catches fire, a violent chemical reaction will occur inside, so that the current of the battery assembly 300 will undergo a relatively violent change, thereby exceeding the preset current value interval. After the power supply communicator 310 feeds back the current value of the battery assembly 300 to the control module 400, the user can confirm before driving the moving part 120 to disengage from the locking groove 210. It can also be set so that the moving part 120 can be directly disengaged from the locking groove 210 without the user's confirmation to achieve the disengagement of the battery assembly 300, thereby ensuring the safety of the user.

[0060] refer to Figures 1 to 3 According to the second aspect of the present application, the electrical equipment includes a device body 500 and a battery detachment device in any of the above embodiments. The battery detachment device is installed in the battery compartment 510. The battery assembly 300 is installed in the battery compartment 510 through the battery detachment device. The battery detachment device can judge the dangerous situations such as thermal runaway or fire of the battery assembly 300 according to the temperature or current changes, and quickly separate the battery assembly 300 from the device body 500. The electrical equipment can be a car or a new energy vehicle. After the battery assembly 300 is detached from the device body 500, under the action of the redundant power of the car, the device body 500 can be away from the detached battery assembly 300, thereby ensuring the safety of the accompanying personnel.

[0061] The embodiments of the present application are described in detail above in conjunction with the accompanying drawings, but the present application is not limited to the above embodiments. Various changes can be made within the knowledge of ordinary technicians in the relevant technical field without departing from the purpose of the present application. In addition, the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

Claims

1. A battery detachment device, characterized in that: include: A moving assembly, comprising a base and a moving member, wherein the moving member is slidably connected to the base; A locking structure, provided with a locking groove, wherein the movable member is partially placed in the locking groove and abuts against the locking structure, and the locking structure is used to connect with the battery assembly so that the movable member fixes the battery assembly in the battery compartment through the locking structure; A control module is communicatively connected with the moving component, and the control module is used to control the moving component to move in a direction away from the locking groove so that the moving component is disengaged from the locking groove.

2. The battery detachment device according to claim 1, characterized in that: The base is provided with a accommodating cavity, a first opening and a second opening. Part of the movable member is slidably connected in the accommodating cavity and divides the accommodating cavity into two independent first chambers and second chambers. The first chamber is located on a side of the second chamber close to the locking structure. The first opening is communicated with the first chamber, and the second opening is communicated with the second chamber. The control module is used to control the working medium to be injected into the first chamber through the first opening to drive the movable member to move toward the second chamber.

3. The battery detachment device according to claim 2, characterized in that: The moving part includes a sealing block and a moving rod. The sealing block is located in the accommodating cavity to separate the accommodating cavity into the first chamber and the second chamber. The moving rod is connected to a side of the sealing block close to the locking structure, and the moving rod is partially placed in the locking groove.

4. The battery detachment device according to claim 1, characterized in that: The locking structure includes a first locking member and a second locking member, the first locking member and the second locking member are detachably connected, and the first locking member and the second locking member jointly define the locking groove.

5. The battery detachment device according to claim 4, characterized in that: The locking structure also includes a connecting shaft, and the first locking member is connected to the second locking member via the connecting shaft. The connecting shaft, the first locking member and the second locking member jointly define the locking groove. The part of the movable member placed in the locking groove is also provided with an avoidance groove, and the connecting shaft is placed in the avoidance groove.

6. The battery detachment device according to claim 1, characterized in that: The control module includes a temperature sensor, a first controller and a second controller, the temperature sensor is connected to the first controller for communication, and the first controller is connected to the second controller for communication; Wherein, the temperature sensor is used to detect the temperature value of the battery assembly, the first controller is configured to compare the temperature value with a preset temperature value, and when the temperature value is greater than the preset temperature value, drive the movable part to move in a direction away from the locking groove through the second controller.

7. The battery detachment device according to claim 1, characterized in that: The battery disengagement device includes a plurality of locking structures and moving components of the same number, at least two of the locking structures are arranged relatively to each other, and are suitable for connecting with the battery component on two opposite sides of the battery component, and each of the moving parts is placed in the locking groove one by one, and the control module is used to control the plurality of moving parts to move synchronously in a direction away from the locking groove, so that each of the moving parts can be synchronously disengaged from the locking groove.

8. The battery detachment device according to claim 1, characterized in that: The battery disengagement device also includes a battery assembly, which is connected to the locking structure. The control module is used to release the battery assembly by controlling the moving part to move away from the locking groove.

9. The battery detachment device according to claim 8, characterized in that: The battery assembly is also provided with a power supply communicator, which is electrically connected to the control module to feed back the current value to the control module. The control module is configured to control the moving part to disengage from the locking groove when the current value exceeds a preset current value range.

10. An electrical device, characterized in that: include: The main body of the device is provided with a battery compartment; The battery detachment device according to any one of claims 1 to 9 is located in the battery compartment.

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