Anti-misoperation device for storage battery pack

Abstract

The invention discloses an anti-misoperation device for a storage battery pack, and relates to the technical field of storage batteries, the anti-misoperation device for the storage battery pack comprises an equipment frame and a storage battery pack body, a secondary connector is fixedly mounted above the storage battery pack body, and the anti-misoperation device further comprises a protection device; wherein the protection device comprises a wiring board, a shifting plate, a wiring clamping plate, a clamping plate, a main connector and a cover plate, a clamping groove is formed in the surface of the equipment frame, the wiring board is installed in the clamping groove in a sliding mode, and the shifting plate is fixedly installed above the wiring board; according to the anti-misoperation device for the storage battery pack, the storage battery pack body can be quickly and conveniently connected, workers do not need to connect the secondary joints one by one, the risk of misoperation is reduced, and meanwhile the situation that the workers are prone to making contact with the secondary joints due to the fact that the secondary joints are directly exposed to the outside is avoided; and the safety risk of the storage battery pack body in the use process is further reduced.

Description

Technical Field

[0001] The invention relates to the technical field of storage batteries, in particular to a misoperation prevention device for a storage battery pack. Background Art

[0002] Battery pack anti-misoperation devices are usually designed to avoid safety problems or equipment damage caused by operating errors during use and maintenance. These devices are usually designed and configured according to specific battery types, application environments and safety standards to ensure the safe operation of the battery pack and extend the service life of the equipment.

[0003] The patent with patent announcement number CN217134520U relates to a battery pack separator, including a box body and a box cover, the bottom of the box body is fixedly connected to a base, the top of the box body is fixedly connected to a box cover, the box body, the base and the box cover are made of aluminum alloy, one end of the box body is embedded with a display screen and a protective net, one side of the display screen is fixedly connected to a control box, one side of the protective net is provided with a cooling fan, the cooling fan is fixedly connected to the inner wall of the box body, four guide frames are fixedly connected to both sides of the box body, an isolation frame is provided on the guide frame, and a battery body is provided between two isolation frames. This patent can isolate and position the battery body as needed, has a wide range of applications, is convenient for device heat dissipation, and has strong practicality. In addition, the device can not only dissipate heat naturally, but also dissipate heat dynamically, which ensures the service life of the battery body, and has good energy saving and economy.

[0004] In the above patent, the battery body can be isolated and positioned as needed, the application range is wide, and the heat dissipation of the device is convenient, and the practicability is strong. In addition, the device can not only dissipate heat naturally, but also dissipate heat by power, thereby ensuring the service life of the battery body, and having good energy saving and economy. However, in the process of installing the battery pack, it is necessary to manually install and fix the connection points of the battery one by one, and the process is cumbersome and it is easy to cause poor contact or even safety risks due to incorrect operation. Therefore, a battery pack anti-misoperation device is designed. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a battery pack misoperation prevention device, which solves the problems raised in the above background technology.

[0006] To achieve the above objectives, the present invention is implemented through the following technical solutions: a battery pack misoperation prevention device, comprising a device frame and a battery pack body, a secondary connector is fixedly installed on the top of the battery pack body, and also comprises: a protective device; wherein the protective device comprises a terminal board, a toggle plate, a terminal clamp, a card plate, a main connector and a cover plate, the battery pack body is first placed inside the device frame, and then the toggle plate is moved toward the direction of the secondary connector, the movement of the toggle plate drives the terminal board to move, a card slot is opened on the surface of the device frame, the terminal board is slidably installed inside the card slot, and the toggle plate The board is fixedly installed above the terminal board, and a terminal slot is provided on the surface of the terminal board. The terminal clamp is slidably installed inside the terminal slot. The card plate is fixedly installed at one end of the terminal board close to the card slot, the main connector is fixedly installed on the side of the card plate away from the card slot, and the cover plate is slidably installed on the side of the toggle plate close to the secondary connector; wherein, a limiting device for limiting the terminal board is provided on the surface of the equipment frame, and when the secondary connector is docked, only the main connector needs to be connected to complete the installation of the battery pack body, thereby achieving the effect of fast and convenient wiring of the battery pack body.

[0007] According to the above technical solution, a telescopic elastic rod is fixedly installed on the inner wall of the wiring groove, and the free end of the telescopic elastic rod is fixedly connected to the wiring clamp. The telescopic elastic rod can effectively prevent the secondary connector from being worn after long-term use, making the wiring process more stable.

[0008] According to the above technical solution, the side of the wiring clamp close to the secondary joint is set as beveled surface 1, and the side of the cover plate is set as an arc. The wiring clamp moves through beveled surface 1 to contact the secondary joint and moves to the left and right of it and away from the secondary joint.

[0009] According to the above technical solution, a second telescopic elastic rod is fixedly installed above the wiring board, and the free end of the second telescopic elastic rod is fixedly connected to the cover plate. The cover plate moves upward and protects the secondary joint under the action of the second telescopic elastic rod.

[0010] According to the above technical solution, it also includes a limiting device and a disconnecting device, the limiting device includes a fixed frame, an L-shaped limiting rod, a limiting frame and a movable baffle, the terminal board moves to contact and squeeze the L-shaped limiting rod to move upward, a fixed groove is opened on the surface of the equipment frame, the fixed frame is fixedly installed inside the fixed groove, a sliding groove is opened on the surface of the fixed frame, the L-shaped limiting rod is slidably installed inside the sliding groove, the limiting frame is slidably installed on the surface of the card board, and the movable baffle is slidably installed on the surface of the fixed frame.

[0011] According to the above technical solution, a limiting groove is provided on the surface of the terminal block, and one end of the L-shaped limiting rod close to the limiting groove is set as a second beveled surface. The terminal block moves to contact the second beveled surface on the surface of the L-shaped limiting rod and squeeze it to move upward. The L-shaped limiting rod is fixed and passes through the left and right walls of the movable baffle. The terminal block continues to move so that the limiting groove on its surface contacts the L-shaped limiting rod.

[0012] According to the above technical solution, a telescopic elastic rod three is fixedly installed on the top of the inner wall of the fixed frame, and the free end of the telescopic elastic rod three is fixedly connected to the L-shaped limiting rod. A telescopic elastic rod four is fixedly installed inside the limiting frame, and the free end of the telescopic elastic rod four is fixedly connected to the clamping plate. The L-shaped limiting rod moves upward to squeeze the telescopic elastic rod three to contract, and the terminal board is fixed under the action of the telescopic elastic rod three.

[0013] According to the above technical solution, the disconnect device includes a linear motor, a temperature detector, a push rod, a moving rod and a moving block. The terminal block moves in a limiting process to contact and squeeze the moving block to move toward the direction close to the inside of the fixed frame. The linear motor is fixedly installed at the bottom of the inner wall of the fixed frame, the temperature detector is fixedly installed above the cover plate, the push rod is fixedly installed at the output end of the linear motor, the moving rod is slidably installed at the bottom of the inner wall of the fixed frame, a moving groove is provided on the surface of the fixed frame, and the moving block is slidably installed at the bottom of the inner wall of the fixed frame. The movement of the terminal block drives the terminal clamp to disconnect from the secondary connector, thereby preventing the temperature from continuing to rise and generating a fire, thereby reducing the safety hazard of the equipment during use.

[0014] According to the above technical solution, a detection module and a control module are arranged inside the temperature detector, and the control module is electrically connected to the linear motor. When the temperature at the connection between the secondary connector and the terminal clamp exceeds the threshold, the temperature detector will start the linear motor through the control module.

[0015] According to the above technical solution, one end of the moving rod close to the L-shaped limiting rod is set as a bevel surface three, and the moving rod and the moving block are directly provided with springs. The L-shaped limiting rod moves upward to disengage from the limiting groove on the surface of the terminal board and releases the fixation of the terminal board. After the fixation is released, the moving block extends out under the action of the spring and pushes the terminal board to move in a direction away from the fixed frame.

[0016] The present invention provides a battery pack misoperation prevention device, which has the following beneficial effects:

[0017] (1) The battery pack anti-misoperation device realizes the connection of the secondary connector by moving the toggle plate and the wiring board and under the action of the wiring clamp plate and the telescopic elastic rod 1. There is no need for the staff to connect the secondary connectors one by one, thereby reducing the risk of wrong operation. At the same time, the telescopic elastic rod 1 can effectively prevent the secondary connector from being worn after long-term use, making the wiring process more stable. During the movement of the toggle plate, the secondary connector is protected by the cover plate and the telescopic elastic rod 2, avoiding the secondary connector from being directly exposed to the outside world and causing the staff to easily contact it, thereby further reducing the safety risk of the battery pack body during use.

[0018] (2) The battery pack anti-misoperation device is configured such that the terminal block is fixed under the action of the L-shaped limit rod and the limit groove, thereby preventing the terminal block from shaking during the use of the battery pack body, which may lead to poor contact at the connection and increase the risk of short circuit, thereby improving the applicability of the equipment in different use environments. At the same time, the limit frame protects the main joint under the action of the telescopic spring rod 4, thereby preventing the connection between the main joint and the outside world from being directly exposed to the outside world, thereby reducing the safety risk during the use of the battery pack body.

[0019] (3) When the temperature at the connection between the secondary connector and the terminal board exceeds the threshold, the battery pack anti-misoperation device will start the linear motor through the control module, and drive the moving block to move under the action of the moving rod and the spring, so that the L-shaped limit rod moves upward to disengage from the limit groove on the surface of the terminal board and disconnects the secondary connector, thereby preventing the temperature from continuing to rise and generating a fire, reducing the safety hazard of the equipment during use, and effectively preventing the connection from being automatically disconnected when the staff fails to disconnect in time, thereby reducing the risk of equipment use. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 It is a schematic diagram of the position structure of the battery pack body and the toggle plate of the present invention;

[0022] Figure 3 For the present invention Figure 2 The enlarged structural diagram of part A in the middle;

[0023] Figure 4 It is a schematic diagram of the structure of the cover plate and the telescopic elastic rod in two positions of the present invention;

[0024] Figure 5 This is a schematic diagram of the position structure of the cover plate and the wiring clamp plate of the present invention;

[0025] Figure 6 This is a schematic diagram of the position structure of the L-shaped limit rod and the clamping plate of the present invention;

[0026] Figure 7 This is a schematic diagram of the position structure of the limit frame and the main joint of the present invention;

[0027] Figure 8 It is a schematic diagram of the internal structure of the fixing frame of the present invention.

[0028] In the figure: 1, equipment frame; 101, card slot; 102, fixed slot; 2, battery pack body; 3, secondary connector; 4, terminal board; 401, terminal slot; 402, limit slot; 5, toggle plate; 6, terminal clamp; 7, card plate; 8, main connector; 9, cover plate; 10, telescopic spring rod one; 11, telescopic spring rod two; 121, fixed frame; 1211, slide slot; 1212, moving slot; 122, L-shaped limit rod; 123, limit frame; 124, moving baffle; 125, telescopic spring rod three; 126, telescopic spring rod four; 131, linear motor; 132, temperature detector; 133, push rod; 134, moving rod; 135, moving block; 136, spring. DETAILED DESCRIPTION

[0029] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0030] Example 1

[0031] See also Figure 1-Figure 8One embodiment of the present invention is: a battery pack misoperation prevention device, comprising a device frame 1 and a battery pack body 2, a secondary connector 3 is fixedly installed above the battery pack body 2, and also comprising: a protective device; wherein the protective device comprises a terminal board 4, a toggle plate 5, a terminal clamp 6, a card plate 7, a main connector 8 and a cover plate 9, firstly put the battery pack body 2 into the inside of the device frame 1, then move the toggle plate 5 in the direction of the secondary connector 3, the movement of the toggle plate 5 drives the terminal board 4 to move, a card slot 101 is opened on the surface of the device frame 1, the terminal board 4 is slidably installed in the card slot 101, the toggle plate 5 is fixedly installed above the terminal board 4, and the surface of the terminal board 4 is opened There is a wiring slot 401, a wiring clamp plate 6 is slidably installed inside the wiring slot 401, a card plate 7 is fixedly installed on one end of the wiring board 4 close to the card slot 101, a main connector 8 is fixedly installed on the side of the card plate 7 away from the card slot 101, and a cover plate 9 is slidably installed on the side of the toggle plate 5 close to the secondary connector 3; wherein, a limiting device for limiting the wiring board 4 is provided on the surface of the equipment frame 1, and when the secondary connector 3 is docked, only the main connector 8 needs to be connected to complete the installation of the battery pack body 2, thereby achieving the effect of fast and convenient wiring of the battery pack body 2, without the need for staff to wire the secondary connectors 3 one by one, thereby reducing the risk of incorrect operation.

[0032] A telescopic spring rod 10 is fixedly installed on the inner wall of the wiring slot 401, and the free end of the telescopic spring rod 10 is fixedly connected to the wiring clamp plate 6. The telescopic spring rod 10 can effectively prevent the secondary connector 3 from being worn after long-term use, making the wiring process more stable.

[0033] The side of the connection clamp plate 6 close to the secondary joint 3 is set as a bevel surface 1, and the side surface of the cover plate 9 is set as an arc. The connection clamp plate 6 moves through the bevel surface 1 to contact the secondary joint 3 and moves to the left and right below the secondary joint 3 away from the secondary joint 3.

[0034] A telescopic elastic rod 11 is fixedly installed above the terminal board 4, and the free end of the telescopic elastic rod 11 is fixedly connected to the cover plate 9. The cover plate 9 moves upward and protects the secondary connector 3 under the action of the telescopic elastic rod 11, thereby preventing the secondary connector 3 from being directly exposed to the outside world and making it easy for staff to contact it, thereby further reducing the safety risk of the battery pack body 2 during use.

[0035] When the present embodiment is working, the battery pack body 2 is first placed inside the equipment frame 1, and then the toggle plate 5 is moved in the direction of the secondary connector 3. The movement of the toggle plate 5 drives the terminal board 4 to move, and the movement of the terminal board 4 drives the terminal clamping plate 6 to move. The terminal clamping plate 6 moves to contact the secondary connector 3 and moves to the left and right below it in the direction away from the secondary connector 3. The terminal clamping plate 6 moves to squeeze the telescopic elastic rod 10 to contract. After the telescopic elastic rod 10 is squeezed, the secondary connector 3 is clamped. After the secondary connector 3 is docked, only the main connector 8 needs to be connected to complete the installation of the battery pack body 2, so that the battery pack body 2 can be quickly and conveniently installed. The wiring effect is achieved, and the staff does not need to wire the secondary connector 3 one by one, thereby reducing the risk of incorrect operation. At the same time, the telescopic elastic rod 10 can effectively avoid the wear of the secondary connector 3 after long-term use, making the wiring process more stable. The movement of the toggle plate 5 drives the cover plate 9 to move, and the cover plate 9 moves to contact the secondary connector 3 and moves upward to the left and right of it. The cover plate 9 moves upward and protects the secondary connector 3 under the action of the telescopic elastic rod 2 11, avoiding the secondary connector 3 from being directly exposed to the outside world, which makes it easy for the staff to contact it, and further reduces the safety risk of the battery pack body 2 during use.

[0036] Example 2

[0037] See also Figure 1-Figure 8 On the basis of the above embodiment, another embodiment of the present invention further includes a limiting device and a disconnecting device, the limiting device includes a fixed frame 121, an L-shaped limiting rod 122, a limiting frame 123 and a movable baffle 124, the terminal block 4 moves to contact and squeeze the L-shaped limiting rod 122 to move upward, a fixing groove 102 is opened on the surface of the equipment frame 1, the fixing frame 121 is fixedly installed inside the fixing groove 102, a sliding groove 1211 is opened on the surface of the fixing frame 121, the L-shaped limiting rod 122 is slidably installed inside the sliding groove 1211, the limiting frame 123 is slidably installed on the surface of the card plate 7, and the movable baffle 124 is slidably installed on the surface of the fixed frame 121.

[0038] A limiting groove 402 is provided on the surface of the terminal block 4, and one end of the L-shaped limiting rod 122 close to the limiting groove 402 is set as a second beveled surface. The terminal block 4 moves to contact the second beveled surface on the surface of the L-shaped limiting rod 122 and squeeze it to move upward. The L-shaped limiting rod 122 is fixed and penetrates the left and right walls of the movable baffle 124. The terminal block 4 continues to move so that the limiting groove 402 on its surface contacts the L-shaped limiting rod 122.

[0039] A telescopic elastic rod 3 125 is fixedly installed on the top of the inner wall of the fixed frame 121, and the free end of the telescopic elastic rod 3 125 is fixedly connected to the L-shaped limit rod 122. A telescopic elastic rod 4 126 is fixedly installed inside the limit frame 123, and the free end of the telescopic elastic rod 4 126 is fixedly connected to the clamping plate 7. The L-shaped limit rod 122 moves upward to squeeze the telescopic elastic rod 3 125 to contract, and under the action of the telescopic elastic rod 3 125, the terminal board 4 is fixed, so as to avoid the terminal board 4 from shaking during the use of the battery pack body 2, which will lead to poor contact at the connection and increase the risk of short circuit, thereby improving the applicability of the equipment in different usage environments.

[0040] The disconnecting device includes a linear motor 131, a temperature detector 132, a push rod 133, a moving rod 134 and a moving block 135. The terminal block 4 moves in a limiting process to contact and squeeze the moving block 135 to move toward the direction close to the inside of the fixed frame 121. The linear motor 131 is fixedly installed at the bottom of the inner wall of the fixed frame 121, the temperature detector 132 is fixedly installed above the cover plate 9, the push rod 133 is fixedly installed at the output end of the linear motor 131, the moving rod 134 is slidably installed at the bottom of the inner wall of the fixed frame 121, and a moving groove 1212 is provided on the surface of the fixed frame 121. The moving block 135 is slidably installed at the bottom of the inner wall of the fixed frame 121. The movement of the terminal block 4 drives the terminal clamp 6 to disconnect from the secondary connector 3, thereby preventing the temperature from continuing to rise and generating a fire, thereby reducing the safety hazard of the equipment during use.

[0041] The temperature detector 132 is internally provided with a detection module and a control module. The control module is electrically connected to the linear motor 131. When the temperature at the connection between the secondary connector 3 and the terminal clamp 6 exceeds a threshold value, the temperature detector 132 will start the linear motor 131 through the control module.

[0042] One end of the moving rod 134 close to the L-shaped limiting rod 122 is set as a beveled surface three, and the moving rod 134 and the moving block 135 are directly provided with a spring 136. The L-shaped limiting rod 122 moves upward to disengage from the limiting groove 402 on the surface of the terminal block 4 and releases the fixation of the terminal block 4. After the fixation is released, the moving block 135 extends out under the action of the spring 136 and pushes the terminal block 4 to move in a direction away from the fixed frame 121.

[0043] When the present embodiment is working, the terminal block 4 moves to contact and squeeze the L-shaped limiting rod 122 to move upward, the L-shaped limiting rod 122 moves upward to squeeze the telescopic spring rod 3 125 to contract, the terminal block 4 continues to move so that the limiting groove 402 on its surface contacts the L-shaped limiting rod 122, and the terminal block 4 is fixed under the action of the telescopic spring rod 3 125, so as to avoid the terminal block 4 shaking during the use of the battery pack body 2, thereby causing poor contact at the connection and increasing the risk of short circuit, thereby improving the applicability of the device in different use environments, and the movement of the L-shaped limiting rod 122 drives the moving The baffle 124 moves, and the movement of the movable baffle 124 can block the slide groove 1211 on the surface of the fixed frame 121, thereby preventing foreign objects from entering the interior of the fixed frame 121 and reducing subsequent maintenance costs. At the same time, during the process of connecting the main joint 8, the limit frame 123 is moved away from the main joint 8, and the limit frame 123 moves to stretch the telescopic elastic rod four 126. The telescopic elastic rod four 126 is stretched and reset to protect the main joint 8, thereby preventing the connection between the main joint 8 and the outside world from being directly exposed to the outside world, thereby reducing the safety risks during the use of the battery pack body 2.

[0044] The terminal block 4 moves in the process of limiting, contacts and squeezes the moving block 135 to move in the direction close to the inside of the fixed frame 121, and the moving block 135 moves, contacts and squeezes the spring 136 to contract, so that the spring 136 enters the power storage state. When the temperature at the connection between the secondary connector 3 and the terminal clamp 6 exceeds the threshold, the temperature detector 132 starts the linear motor 131 through the control module, and the output end of the linear motor 131 moves to drive the push rod 133 to move, and the push rod 133 moves to drive the moving rod 134 to move, and the moving rod 134 moves to further squeeze the spring 136, and the moving rod 134 continues to move to contact The L-shaped limiting rod 122 is squeezed to move upward, and the L-shaped limiting rod 122 moves upward to disengage from the limiting groove 402 on the surface of the terminal block 4, and the fixation of the terminal block 4 is released. After the fixation is released, the moving block 135 extends out under the action of the spring 136 and pushes the terminal block 4 to move away from the fixing frame 121. The movement of the terminal block 4 drives the terminal clamp 6 to disconnect from the secondary connector 3, avoiding the temperature from continuing to rise and generating a fire, reducing the safety hazard of the equipment during use, and can effectively prevent the automatic disconnection when the staff fails to disconnect in time, thereby reducing the risk of the equipment during use.

[0045] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A battery pack misoperation prevention device, comprising a device frame (1) and a battery pack body (2), wherein a secondary connector (3) is fixedly mounted above the battery pack body (2), characterized in that: Also includes: guards and disconnects; The protective device comprises a wiring board (4), a toggle plate (5), a wiring clamp plate (6), a card plate (7), a main connector (8) and a cover plate (9); a card slot (101) is provided on the surface of the device frame (1); the wiring board (4) is slidably mounted inside the card slot (101); the toggle plate (5) is fixedly mounted above the wiring board (4); a wiring slot (401) is provided on the surface of the wiring board (4); the wiring clamp plate (6) is slidably mounted inside the wiring slot (401); the card plate (7) is fixedly mounted on one end of the wiring board (4) close to the card slot (101); the main connector (8) is fixedly mounted on a side of the card plate (7) away from the card slot (101); and the cover plate (9) is slidably mounted on a side of the toggle plate (5) close to the secondary connector (3); Wherein, a limiting device for limiting the position of the wiring board (4) is provided on the surface of the equipment frame (1).

2. A battery pack misoperation prevention device according to claim 1, characterized in that: A telescopic elastic rod (10) is fixedly mounted on the inner wall of the wiring slot (401), and the free end of the telescopic elastic rod (10) is fixedly connected to the wiring clamping plate (6).

3. A battery pack misoperation prevention device according to claim 2, characterized in that: A side of the connection clamp plate (6) close to the secondary connector (3) is configured as a beveled surface 1, and a side surface of the cover plate (9) is configured as an arc shape.

4. A battery pack misoperation prevention device according to claim 3, characterized in that: A second telescopic elastic rod (11) is fixedly mounted above the wiring board (4), and a free end of the second telescopic elastic rod (11) is fixedly connected to the cover plate (9).

5. A battery pack misoperation prevention device according to claim 4, characterized in that: The limiting device comprises a fixed frame (121), an L-shaped limiting rod (122), a limiting frame (123) and a movable baffle (124); a fixed groove (102) is provided on the surface of the device frame (1); the fixed frame (121) is fixedly installed inside the fixed groove (102); a sliding groove (1211) is provided on the surface of the fixed frame (121); the L-shaped limiting rod (122) is slidably installed inside the sliding groove (1211); the limiting frame (123) is slidably installed on the surface of the card plate (7); and the movable baffle (124) is slidably installed on the surface of the fixed frame (121).

6. A battery pack misoperation prevention device according to claim 5, characterized in that: A limiting groove (402) is provided on the surface of the wiring board (4); one end of the L-shaped limiting rod (122) close to the limiting groove (402) is provided with a second beveled surface; and the L-shaped limiting rod (122) is fixedly passed through the left and right walls of the movable baffle (124).

7. A battery pack misoperation prevention device according to claim 6, characterized in that: A telescopic elastic rod three (125) is fixedly installed on the top of the inner wall of the fixed frame (121), and the free end of the telescopic elastic rod three (125) is fixedly connected to the L-shaped limiting rod (122). A telescopic elastic rod four (126) is fixedly installed inside the limiting frame (123), and the free end of the telescopic elastic rod four (126) is fixedly connected to the clamping plate (7).

8. A battery pack misoperation prevention device according to claim 7, characterized in that: The disconnecting device comprises a linear motor (131), a temperature detector (132), a push rod (133), a moving rod (134) and a moving block (135); the linear motor (131) is fixedly mounted on the bottom of the inner wall of a fixed frame (121); the temperature detector (132) is fixedly mounted above a cover plate (9); the push rod (133) is fixedly mounted on the output end of the linear motor (131); the moving rod (134) is slidably mounted on the bottom of the inner wall of the fixed frame (121); a moving groove (1212) is provided on the surface of the fixed frame (121); and the moving block (135) is slidably mounted on the bottom of the inner wall of the fixed frame (121).

9. A battery pack misoperation prevention device according to claim 8, characterized in that: The temperature detector (132) is provided with a detection module and a control module inside, and the control module is electrically connected to the linear motor (131).

10. A battery pack misoperation prevention device according to claim 9, characterized in that: One end of the moving rod (134) close to the L-shaped limiting rod (122) is arranged as a beveled surface three, and a spring (136) is directly arranged on the moving rod (134) and the moving block (135).

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