Device for preventing accidental entry into live compartment based on Beidou satellite positioning

By using an anti-incidence-absorbing spacer device based on Beidou satellite positioning in the substation room, and using technical means such as Beidou positioning module and dynamic magnetic column, the problem of poor anti-opening effect of the existing substation room locking components is solved, and the problem of poor opening of the existing substation room locking components is realized. The effective closure and safety management of the substation room are protected and the safety of equipment and personnel is protected.

CN118815338BActive Publication Date: 2025-02-18HUAIAN OF JIANGSU ELECTRIC POWER CO POWER SUPPLY
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Patent Information

Application Number
CN202410750632.3
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-06-12
Publication Date
2025-02-18
Estimated Expiration
2044-06-12

AI Technical Summary

Technical Problem

When using the existing substation chamber, the handle rotation method is generally used to open and close with a simple lock. During actual use, the internal locking parts are not effective in preventing opening, and it is very easy to be opened by idle personnel and accidentally enter the substation chamber. , causing damage to the substation equipment operating inside the substation chamber and easy to cause harm to incoming personnel.

Method used

Adopt an anti-incidence-energy spacer device based on Beidou satellite positioning, which includes a partition door, a movable turntable, a plug block, a connecting rod, a rotating shaft, a driving gear, an incomplete gear, a fixed seat, a rotating cap, a moving magnetic column, a spring and an unlocking key . The Beidou positioning module determines the status of the substation chamber, and combines the locking mechanism of the moving magnetic column and spring to ensure the synchronization of the closure and opening of the spacer door, and avoid non-professional personnel entering.

Benefits of technology

It effectively avoids miscellaneous personnel entering the substation room by mistake, protects the safety of substation equipment and personnel, ensures the closed interval state of the substation room, and avoids equipment damage and personnel injury.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present invention discloses a device for preventing accidental entry into live intervals based on Beidou satellite positioning, and relates to the technical field of transformer rooms, including an interval door; the interval door is fixedly connected to a door frame through a hinge, the door frame and the transformer room are integrated, and two movable turntables are installed on the inner side of the interval door; four plug blocks are installed inside the interval door, the plug blocks are connected to the door frame, one end of the plug blocks is connected to a connecting rod, and the movable turntable is connected to the two connecting rods; a rotating shaft is installed at the center of the interval door, and a driving gear is fixedly connected to the inner end of the rotating shaft. The present invention drives the plug blocks to move through an unlocking key to fix the interval door, and the unlocking key is required to open the interval door to enter the transformer room, effectively preventing strangers from entering the transformer room. The problem that the existing transformer room generally adopts a handle turning method to cooperate with a simple lock to open and close when in use, and the internal locking components thereof have a poor anti-opening effect, and are easily opened by strangers to enter the transformer room by mistake is solved.
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Description

Technical Field

[0001] The invention relates to the technical field of transformer rooms, and in particular to a device for preventing accidental entry into live compartments based on Beidou satellite positioning. Background Art

[0002] Substations are places used to change voltage in power grid systems and are generally divided into outdoor substations and indoor substations. Indoor substations are formed by placing transformers and other substation equipment inside the substation room. At present, indoor substations are widely used in cities. Substation rooms are in energized operation for a long time, which poses a high safety risk to non-professionals. It is necessary to use spacing devices to enclose the substation room to prevent unauthorized personnel from entering.

[0003] When the existing substation is used, it is generally opened and closed by turning the handle in combination with a simple lock. In actual use, the internal locking components have a poor anti-opening effect, and it is very easy for strangers to open it and mistakenly enter the substation, causing damage to the substation equipment in operation inside the substation, and easily causing harm to the personnel entering. Summary of the invention

[0004] The purpose of the invention is to adopt a device for preventing accidental entry into live intervals based on Beidou satellite positioning to solve the problem that the existing substation is generally opened and closed by turning a handle in combination with a simple lock. During actual use, the internal locking components have a poor anti-opening effect, and it is very easy for strangers to open and enter the substation by mistake, causing damage to the substation equipment in operation inside the substation, and easily causing harm to the people entering.

[0005] In order to achieve the above-mentioned purpose, the present invention provides an anti-accidental entry into live interval device based on Beidou satellite positioning, which specifically includes: an interval door; the interval door is fixedly connected to the door frame by hinges, the door frame and the transformer room are integrated, and two movable turntables are installed on the inner side of the interval door; four plug blocks are installed inside the interval door, the plug blocks are connected to the door frame, one end of the plug blocks is connected to a connecting rod, and the movable turntable is connected to the two connecting rods; a rotating shaft is installed at the center of the interval door, a driving gear is fixedly connected to the inner end of the rotating shaft, an incomplete gear is fixedly connected to the outside of the movable turntable, and the incomplete gear is connected to the driving gear; a fixed seat is fixedly installed on the outside of the interval door by bolts, and the rotating shaft runs through the fixed seat; a rotary cap is connected to the outside of the fixed seat, a moving magnetic column and a spring are installed inside the fixed seat, and the moving magnetic column is connected to the rotary cap;

[0006] An unlocking key is connected to the outside of the rotary cap; a Beidou positioning module is installed on the inside of the partition door, and the Beidou positioning module is connected to the power supply line inside the substation. During the opening and closing process of the partition door, the partition door drives the Beidou positioning module to move, and determines whether the substation is in a closed partition state through satellite positioning.

[0007] Furthermore, the partition door is provided with sliding holes on opposite sides, the plug block is slidably connected to the sliding holes provided in the partition door, a stop block is provided on the inner side of the partition door, one end of the plug block contacts the stop block provided in the partition door, and the other end of the plug block is inserted into the door frame.

[0008] Furthermore, the movable turntable is rotatably connected to the partition door, one end of the connecting rod is rotatably connected to the movable turntable, and the other end of the connecting rod is rotatably connected to the insertion block. The movable turntable drives the insertion block to move through the connecting rod. When the insertion block moves outward, the insertion block can be inserted into the door frame.

[0009] Furthermore, a through hole is provided in the middle portion of the partition door, the rotating shaft is rotatably connected to the through hole provided in the partition door, the driving gear is meshed with the two incomplete gears, the two movable turntables rotate in the same direction, and when the rotating shaft drives the driving gear to rotate, the driving gear drives the two movable turntables to rotate synchronously through the incomplete gear.

[0010] Furthermore, a through hole is provided inside the fixing seat, the rotary cap is rotatably connected to the fixing seat, a connecting groove is provided inside the rotary cap, the connecting groove of the rotary cap is connected to the through hole of the fixing seat, the rotating shaft passes through the through hole, and the outer end of the rotating shaft is connected to the connecting groove.

[0011] Furthermore, eight limiting grooves are arranged in a circumferential shape inside the fixing seat, and eight positioning grooves are arranged in a circumferential shape inside the rotating cap. The positioning grooves of the rotating cap are connected to the limiting grooves of the fixing seat.

[0012] Furthermore, the moving magnetic column and the spring are located in a limiting groove provided in the fixing seat, the spring is compressed and arranged between the moving magnetic column and the fixing seat, the spring is close to the inner end of the limiting groove, the moving magnetic column is close to the notch of the limiting groove, the spring is in contact with the moving magnetic column, the moving magnetic column is inserted into the positioning groove provided in the rotary cap, the length of the moving magnetic column is greater than the depth of the positioning groove, when the positioning groove and the limiting groove are in a connected state, the moving magnetic column is affected by the thrust of the spring to move outward, so that the moving magnetic column is inserted into the positioning groove, and the rotary cap is fixed by the moving magnetic column.

[0013] Furthermore, a special-shaped block is arranged outside the screw cap, the unlocking key contacts the screw cap, a special-shaped hole is arranged at the center of the unlocking key, and the special-shaped block arranged on the screw cap is inserted into the special-shaped hole arranged on the unlocking key.

[0014] Furthermore, eight fixed magnetic poles are embedded in the unlocking key in a circular shape, and the positions of the eight fixed magnetic poles correspond to the positions of the eight positioning grooves provided on the screw cap. The unlocking key is connected to the outside of the screw cap, and the special-shaped block is inserted into the special-shaped hole. The fixed magnetic poles and the moving magnetic poles have the same magnetic poles in close proximity. According to the principle of like poles repel each other, the moving magnetic pole moves inward under the influence of magnetic repulsion, causing the moving magnetic pole to retract into the limit groove, and the rotation of the screw cap is not restricted, so the screw cap can be driven to rotate by the unlocking key.

[0015] The present invention provides a device for preventing accidental entry into a live interval based on Beidou satellite positioning, which has the following beneficial effects:

[0016] When the present invention is in use, the movable range of the plug block is limited by the block to prevent the block from being separated from the sliding hole, and the movable turntable drives the plug block to move through the connecting rod. When the plug block moves outward, the plug block is plugged into the door frame, which has the effect of closing the substation room and preventing strangers from mistakenly entering the substation room. When the plug block moves inward, the plug block is separated from the door frame, which facilitates power professionals to enter the substation room for maintenance work; when the shaft drives the active gear to rotate, the active gear drives the two movable turntables to rotate synchronously through the incomplete gear, so as to ensure the synchronization of the movement and regulation of the four plug blocks; and during the opening and closing process of the interval door, the interval door drives the Beidou positioning module to move, and determines whether the substation room is in a closed interval state through satellite positioning.

[0017] In addition, when the plug block is inserted into the door frame, the positioning groove and the limiting groove are connected, and the moving magnetic column moves outward under the influence of the spring thrust, so that the moving magnetic column is inserted into the positioning groove, and the rotary cap is fixed by the moving magnetic column, which plays a locking and limiting effect on the four plug blocks; when it is necessary to open and close the interval door, the unlocking key is connected to the outside of the rotary cap, and the special-shaped block is inserted into the special-shaped hole. The magnetic poles of the fixed magnetic column and the moving magnetic column near the part are the same. According to the principle of like poles repel each other, the moving magnetic column moves inward under the influence of magnetic repulsion, so that the moving magnetic column retracts into the limiting groove, and the rotation of the rotary cap is not restricted. The rotary cap can be driven to rotate by the unlocking key, and the rotary cap drives the active gear to rotate through the rotating shaft. The active gear drives the movable turntable to rotate through the incomplete gear. The movable turntable drives the plug block to move through the connecting rod, thereby realizing the opening and closing operation of the interval door. The unlocking key is removed and stored separately. The interval door can be opened and entered into the substation room with the help of the unlocking key, which effectively prevents idle personnel from entering the substation room and causing damage to the substation equipment inside the substation room.

[0018] Other advantages, objectives and features of the present invention will be embodied in part through the following description, and in part will be understood by those skilled in the art through study and practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0020] The drawings described below are only related to some embodiments of the present invention, but are not intended to limit the present invention.

[0021] In the attached picture:

[0022] Figure 1 A schematic diagram of the overall outer shaft side structure provided for the implementation of the present invention;

[0023] Figure 2A schematic diagram of the overall inner shaft side structure provided for the implementation of the present invention;

[0024] Figure 3 A schematic diagram of the inner shaft side structure of the partition door provided for the implementation of the present invention;

[0025] Figure 4 A schematic diagram of the connection structure of the movable turntable, the insert block, the connecting rod, the rotating shaft, the driving gear and the incomplete gear provided for the implementation of the present invention;

[0026] Figure 5 A schematic diagram of the disassembled structure of the rotating shaft, the fixing seat, the rotating cap and the unlocking key provided for the implementation of the present invention;

[0027] Figure 6 A schematic diagram of the planing connection structure between the fixing seat and the screw cap provided for the implementation of the present invention;

[0028] Figure 7 A schematic diagram of the shaft side structure of the fixing seat provided for the implementation of the present invention;

[0029] Figure 8 A schematic diagram of the spin cap shaft side structure provided for the implementation of the present invention;

[0030] Fig. 9 A schematic diagram of the connection structure between the moving magnetic column and the spring provided for the implementation of the present invention;

[0031] Fig.10 A schematic diagram of the shaft side structure of an unlocking key provided for the implementation of the present invention.

[0032] Reference numerals list

[0033] 1. Partition door; 101. Sliding hole; 102. Block; 103. Through hole; 2. Movable turntable; 3. Insert block; 4. Connecting rod; 5. Rotating shaft; 6. Driving gear; 7. Incomplete gear; 8. Fixed seat; 801. Perforation; 802. Limiting groove; 9. Screw cap; 901. Connecting groove; 902. Positioning groove; 903. Special-shaped block; 10. Moving magnetic column; 11. Spring; 12. Unlocking key; 1201. Special-shaped hole; 13. Fixed magnetic column; 14. Beidou positioning module. DETAILED DESCRIPTION

[0034] The present invention is further described in detail below through the accompanying drawings and specific embodiments.

[0035] Embodiment 1: Figure 1-10 As shown:

[0036] The present invention proposes a device for preventing accidental entry into live compartments based on Beidou satellite positioning, comprising: a compartment door 1; the compartment door 1 is fixedly connected to a door frame through a hinge, the door frame and the transformer room are integrated, and two movable turntables 2 are installed on the inner side of the compartment door 1; four plug blocks 3 are installed inside the compartment door 1, the plug blocks 3 are connected to the door frame, one end of the plug blocks 3 is connected to a connecting rod 4, and the movable turntable 2 is connected to the two connecting rods 4; a rotating shaft 5 is installed at the center of the compartment door 1, and a driving gear 6 is fixedly connected to the inner end of the rotating shaft 5, and the movable turntable 2 is connected to the two connecting rods 4. An incomplete gear 7 is fixedly connected to the outside, and the incomplete gear 7 is connected to the driving gear 6; a fixing seat 8 is fixedly installed on the outside of the partition door 1 by bolts, and the rotating shaft 5 runs through the fixing seat 8; a screw cap 9 is connected to the outside of the fixing seat 8, and a moving magnetic column 10 and a spring 11 are installed inside the fixing seat 8, and the moving magnetic column 10 is connected to the screw cap 9; an unlocking key 12 is connected to the outside of the screw cap 9; a Beidou positioning module 14 is installed on the inside of the partition door 1, and the Beidou positioning module 14 is connected to the power supply line inside the substation room. During the opening and closing process, the partition door 1 drives the Beidou positioning module 14 to move, and determines whether the substation is in a closed partition state through satellite positioning; sliding holes 101 are provided on opposite sides of the partition door 1, and the plug block 3 is slidably connected to the sliding hole 101 provided in the partition door 1, and a stopper 102 is provided on the inner side of the partition door 1, and one end of the plug block 3 contacts the stopper 102 provided in the partition door 1, and the other end of the plug block 3 is inserted into the door frame, the movable turntable 2 is rotatably connected to the partition door 1, and one end of the connecting rod 4 is connected to the movable turntable The disk 2 is rotatably connected, and the other end of the connecting rod 4 is rotatably connected to the plug block 3. The movable range of the plug block 3 is limited by the stop block 102 to prevent the stop block 102 from separating from the sliding hole 101. The movable turntable 2 drives the plug block 3 to move through the connecting rod 4. When the plug block 3 moves outward, the plug block 3 is inserted into the door frame, which has the effect of sealing the substation room and preventing strangers from mistakenly entering the substation room. When the plug block 3 moves inward, the plug block 3 is separated from the door frame, which is convenient for power professionals to enter the substation room for maintenance work.

[0037] In the disclosed embodiment, a through hole 103 is provided in the middle portion of the partition door 1, the rotating shaft 5 is rotatably connected to the through hole 103 provided in the partition door 1, the driving gear 6 is meshed with the two incomplete gears 7, and the two movable turntables 2 rotate in the same direction; by adopting the above technical scheme, when the rotating shaft 5 drives the driving gear 6 to rotate, the driving gear 6 drives the two movable turntables 2 to rotate synchronously through the incomplete gear 7, thereby ensuring the synchronization of the movement and regulation of the four plug-in blocks 3.

[0038] Embodiment 2, on the basis of embodiment 1, a through hole 801 is provided inside the fixing seat 8, the screw cap 9 is rotatably connected to the fixing seat 8, a connecting groove 901 is provided inside the screw cap 9, the connecting groove 901 provided on the screw cap 9 is communicated with the through hole 801 provided on the fixing seat 8, the rotating shaft 5 passes through the through hole 801, the outer end of the rotating shaft 5 is connected to the connecting groove 901, eight limiting grooves 802 are provided in a surrounding shape inside the fixing seat 8, eight positioning grooves 902 are provided in a surrounding shape inside the screw cap 9, the positioning groove 902 provided on the screw cap 9 is communicated with the limiting groove 802 provided on the fixing seat 8, the moving magnetic column 10 and the spring 11 are located in the limiting groove 802 provided on the fixing seat 8, and the spring 11 is arranged in the limiting groove 802 provided on the fixing seat 8. The spring 11 is compressed and arranged between the moving magnetic column 10 and the fixed seat 8, the spring 11 is close to the inner end of the limiting groove 802, the moving magnetic column 10 is close to the notch of the limiting groove 802, the spring 11 is in contact with the moving magnetic column 10, the moving magnetic column 10 is inserted into the positioning groove 902 provided in the screw cap 9, and the length of the moving magnetic column 10 is greater than the depth of the positioning groove 902; adopting the above technical scheme, when the plug block 3 is inserted into the door frame, the positioning groove 902 and the limiting groove 802 are connected, and the moving magnetic column 10 is affected by the thrust of the spring 11 to move outward, so that the moving magnetic column 10 is inserted into the positioning groove 902, and the screw cap 9 is fixed by the moving magnetic column 10, which has the effect of locking and limiting the four plug blocks 3.

[0039] In the disclosed embodiment, a special-shaped block 903 is arranged on the outside of the rotary cap 9, the unlocking key 12 is in contact with the rotary cap 9, a special-shaped hole 1201 is arranged at the center of the unlocking key 12, the special-shaped block 903 provided on the rotary cap 9 is inserted into the special-shaped hole 1201 provided on the unlocking key 12, and eight fixed magnetic columns 13 are embedded in the unlocking key 12 in a surrounding shape, and the positions of the eight fixed magnetic columns 13 correspond to the positions of the eight positioning grooves 902 provided on the rotary cap 9; adopting the above technical solution, when it is necessary to open and close the partition door 1, the unlocking key 12 is connected to the outside of the rotary cap 9, the special-shaped block 903 is inserted into the special-shaped hole 1201, and the fixed magnetic column 13 is close to the moving magnetic column 10. The magnetic poles are the same. According to the principle of like poles repel each other, the moving magnetic column 10 moves inward under the influence of magnetic repulsion, so that the moving magnetic column 10 retracts into the limit groove 802, and the rotation of the rotary cap 9 is not restricted. The rotary cap 9 can be driven to rotate by the unlocking key 12. The rotary cap 9 drives the active gear 6 to rotate through the rotating shaft 5. The active gear 6 drives the movable turntable 2 to rotate through the incomplete gear 7. The movable turntable 2 drives the plug block 3 to move through the connecting rod 4, thereby realizing the opening and closing operation of the partition door 1. The unlocking key 12 is removed and stored separately. The unlocking key 12 is required to open the partition door 1 to enter the substation room, which effectively prevents idle personnel from entering the substation room and causing damage to the substation equipment inside the substation room.

[0040] The working principle of this embodiment is as follows: the movable range of the plug block 3 is limited by the stopper 102 to prevent the stopper 102 from separating from the sliding hole 101; when the partition door 1 is in a closed state, the unlocking key 12 is connected to the outside of the rotary cap 9, and the special-shaped block 903 is inserted into the special-shaped hole 1201. The fixed magnetic column 13 and the moving magnetic column 10 have the same magnetic poles at the near part. According to the principle of like poles repel each other, the moving magnetic column 10 moves inward under the influence of magnetic repulsion, so that the moving magnetic column 10 retracts into the limiting groove 802. The rotation of the rotary cap 9 is not restricted, and the rotary cap 9 can be driven to rotate by the unlocking key 12. The rotary cap 9 drives the active gear 6 to rotate through the rotating shaft 5. The active gear 6 drives the two movable turntables 2 to rotate simultaneously through the incomplete gear 7. The movable turntable 2 drives the plug block 3 to move outward through the connecting rod 4, so that the plug block 3 It is inserted into the door frame to achieve the effect of closing the substation room and preventing strangers from mistakenly entering the substation room; when the plug block 3 is inserted into the door frame, the positioning slot 902 and the limit slot 802 are connected, and the moving magnetic column 10 moves outward under the thrust of the spring 11, so that the moving magnetic column 10 is inserted into the positioning slot 902, and the rotary cap 9 is fixed by the moving magnetic column 10 to prevent the plug block 3 from moving; after the operation is completed, the unlocking key 12 is removed and stored separately, and the unlocking key 12 is required to open the partition door 1 to enter the substation room, effectively preventing strangers from entering the substation room and causing damage to the substation equipment inside the substation room; during the opening and closing process of the partition door 1, the partition door 1 drives the Beidou positioning module 14 to move, and determines whether the substation room is in a closed partition state through satellite positioning.

[0041] In this article, there are a few points to note:

[0042] 1. The drawings of the embodiments of the present disclosure only involve structures related to the embodiments of the present disclosure, and other structures may refer to general designs.

[0043] 2. In the absence of conflict, the embodiments of the present disclosure and the features therein may be combined with each other to obtain new embodiments.

[0044] The above embodiments are merely examples for the purpose of clear explanation, and are not intended to limit the implementation methods. For those skilled in the art, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived therefrom are still within the scope of protection of the invention.

Claims

1. A device for preventing accidental entry into live compartments based on Beidou satellite positioning, comprising a compartment door (1); characterized in that: The partition door (1) is fixedly connected to the door frame via hinges, the door frame and the transformer room are integrated, and two movable turntables (2) are installed on the inner side of the partition door (1); four plug blocks (3) are installed inside the partition door (1), the plug blocks (3) are connected to the door frame, one end of the plug blocks (3) is connected to a connecting rod (4), and the movable turntable (2) is connected to the two connecting rods (4); a rotating shaft (5) is installed at the center of the partition door (1), the inner end of the rotating shaft (5) is fixedly connected to a driving gear (6), an incomplete gear (7) is fixedly connected to the outside of the movable turntable (2), and the incomplete gear (7) is connected to the driving gear (6); the outside of the partition door (1) is fixedly connected to the door frame via bolts A fixing seat (8) is fixedly installed, and a rotating shaft (5) passes through the fixing seat (8); the fixing seat (8) is externally connected to a rotary cap (9), and a moving magnetic column (10) and a spring (11) are installed inside the fixing seat (8), and the moving magnetic column (10) is connected to the rotary cap (9); the rotary cap (9) is externally connected to an unlocking key (12); a Beidou positioning module (14) is installed inside the partition door (1), and the Beidou positioning module (14) is connected to the power supply line inside the transformer room; during the opening and closing process of the partition door (1), the partition door (1) drives the Beidou positioning module (14) to move, and determines whether the transformer room is in a closed partition state through satellite positioning.

2. The device for preventing accidental entry into live interval based on Beidou satellite positioning according to claim 1 is characterized in that: The partition door (1) is provided with sliding holes (101) on opposite sides, the insert block (3) is slidably connected in the sliding holes (101) provided in the partition door (1), a stop block (102) is provided on the inner side of the partition door (1), one end of the insert block (3) is in contact with the stop block (102) provided in the partition door (1), and the other end of the insert block (3) is inserted into the door frame.

3. The device for preventing accidental entry into live interval based on Beidou satellite positioning according to claim 1 is characterized in that: The movable turntable (2) is rotatably connected to the partition door (1), one end of the connecting rod (4) is rotatably connected to the movable turntable (2), and the other end of the connecting rod (4) is rotatably connected to the insert block (3).

4. The device for preventing accidental entry into live interval based on Beidou satellite positioning according to claim 1 is characterized in that: A through hole (103) is provided in the middle of the partition door (1), the rotating shaft (5) is rotatably connected to the through hole (103) provided in the partition door (1), the driving gear (6) is meshed with the two incomplete gears (7), and the two movable rotating disks (2) rotate in the same direction.

5. The device for preventing accidental entry into live interval based on Beidou satellite positioning according to claim 1 is characterized in that: The fixing seat (8) is provided with a through hole (801) inside, the rotary cap (9) is rotatably connected to the fixing seat (8), a connecting groove (901) is provided inside the rotary cap (9), the connecting groove (901) provided on the rotary cap (9) is connected to the through hole (801) provided on the fixing seat (8), the rotating shaft (5) passes through the through hole (801), and the outer end of the rotating shaft (5) is connected to the connecting groove (901).

6. The device for preventing accidental entry into live interval based on Beidou satellite positioning according to claim 1 is characterized in that: The fixing seat (8) is provided with eight limiting grooves (802) in a circumferential shape inside, and the rotating cap (9) is provided with eight positioning grooves (902) in a circumferential shape inside. The positioning grooves (902) provided on the rotating cap (9) are connected to the limiting grooves (802) provided on the fixing seat (8).

7. The device for preventing accidental entry into live intervals based on Beidou satellite positioning according to claim 6 is characterized in that: The moving magnetic column (10) and the spring (11) are located in a limiting groove (802) provided on the fixing seat (8); the spring (11) is compressed and arranged between the moving magnetic column (10) and the fixing seat (8); the spring (11) is close to the inner end of the limiting groove (802); the moving magnetic column (10) is close to the notch of the limiting groove (802); the spring (11) is in contact with the moving magnetic column (10); the moving magnetic column (10) is inserted into the positioning groove (902) provided on the rotary cap (9); and the length of the moving magnetic column (10) is greater than the depth of the positioning groove (902).

8. The device for preventing accidental entry into live interval based on Beidou satellite positioning according to claim 1 is characterized in that: The screw cap (9) is provided with a special-shaped block (903) on the outside, the unlocking key (12) is in contact with the screw cap (9), a special-shaped hole (1201) is provided at the center of the unlocking key (12), and the special-shaped block (903) provided on the screw cap (9) is inserted into the special-shaped hole (1201) provided on the unlocking key (12).

9. The device for preventing accidental entry into live interval based on Beidou satellite positioning according to claim 6, characterized in that: Eight fixed magnetic columns (13) are embedded in the unlocking key (12) in a circumferential shape, and the positions of the eight fixed magnetic columns (13) correspond to the positions of eight positioning grooves (902) provided on the rotary cap (9).

Citation Information

Patent Citations

  • Anti-theft safety door system with positioning alarm function and using method thereof

    CN111075321A

  • Automatic door closing device for anti-theft door capable of preventing people from being clamped

    CN112761485A

  • Radiation-proof electromagnetic shielding sliding door

    CN218716372U