Rapid locking device of intelligent grounding switch

By designing a quick locking device for intelligent ground switches in a high-voltage switch cabinet, the fast locking of cabinet doors is achieved using servo motors and interlocking pads, and the safety is improved through cameras and leakage sensors, the problems of complex structure and insufficient limits of locking devices in the existing technology are solved, and efficient and safe locking effect is achieved.

CN223007170UActive Publication Date: 2025-06-20沙黛(上海)电气有限公司
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Patent Information

Application Number
CN202421665243.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-15
Publication Date
2025-06-20
Estimated Expiration
2034-07-15

AI Technical Summary

Technical Problem

The locking device of the existing high-voltage switch cabinet has a complex structure, and the cabinet door lacks limiting effect when opening, resulting in inconvenience in installation and maintenance, reducing the locking effect and unable to meet the usage needs.

Method used

A smart ground switch quick locking device is designed, using components such as connecting blocks, servo motors, interlocking blanks and touch panels. The servo motor drives the interlocking blanks to rotate and insert them into the inside of the high-voltage cabinet cabinet to achieve rapid locking of the cabinet doors, and improve safety through camera components and leakage sensor components.

Benefits of technology

It realizes the rapid locking function of cabinet doors, improves the locking effect and convenience of use, and at the same time, it improves safety through monitoring and leakage detection, meeting the use needs of high-voltage switch cabinets.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a rapid locking device for an intelligent grounding switch, relates to the field of high-voltage switch cabinets, and aims to solve the problems that a cabinet body and a door body of an existing high-voltage switch cabinet are generally connected through hinges, the locking device is complex in structure, an opened cabinet door does not have a limiting function, the cabinet door can automatically rotate and even be closed, and installation and maintenance are inconvenient. According to the key points of the technical scheme, the high-voltage cabinet comprises a high-voltage cabinet body, a cabinet door is arranged on one side of the high-voltage cabinet body, a connecting groove is formed in the front end face of the high-voltage cabinet body, connecting blocks are arranged on one side of the cabinet door, connecting rods are arranged on the two sides of the two connecting blocks, a boss is arranged on the inner side of the cabinet door, and the boss is arranged on the inner side of the cabinet door. Second servo motors are arranged on the bosses, interlocking blocking pieces are arranged on one sides of the two second servo motors, the motor driving mechanism drives the cabinet door to rotate to achieve opening and closing, the opened cabinet door can be limited, the cabinet door is prevented from automatically rotating, and the locking effect is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of high-voltage switch cabinets, in particular to a quick locking device for an intelligent earthing switch. Background Art

[0002] A high-voltage switch cabinet refers to a device that plays roles such as on-off, control, or protection in the processes of power generation, transmission, distribution, power conversion, and consumption in a power system. High-voltage switch cabinets are mainly applicable to various different occasions such as power plants, substations, petrochemical industries, metallurgical rolling mills, light industry and textile industries, factories and mines, residential communities, high-rise buildings, etc. An earthing switch is a mechanical switch for the earthed part of a circuit and belongs to the category of isolating switches. The locking device mainly refers to: preventing misoperation of opening and closing a circuit breaker, preventing opening and closing of an isolating switch under load, preventing hanging a grounding wire when the line is energized, preventing closing a circuit breaker with a grounding wire, and preventing entering a live working space by mistake.

[0003] After retrieval, in the prior art, the locking device with the publication number CN213510086U discloses a locking device for a high-voltage switch cabinet, which includes a cabinet body, a cabinet door, a connecting rod, a first positioning block, a second positioning block, a spiral spring, a second rotating shaft, a first rotating shaft, and a limiting block. A protruding edge is provided on one side of the opening of the cabinet body and protrudes inward. The cabinet door is rotationally connected to the slot through the first rotating shaft. An inner cavity is provided in the protruding edge. One end of the second rotating shaft is rotationally connected to the side wall of the inner cavity. The limiting block is fixedly connected to the other end of the second rotating shaft. The first positioning block is fixedly connected to the side wall of the inner cavity. The second positioning block is fixedly connected to the connecting rod. One end of the spiral spring is fixedly connected to the first positioning block, and the other end is fixedly connected to the second positioning block. A slot matching with one end of the connecting rod is provided at one end of the first rotating shaft. The utility model can limit the position of the cabinet door to facilitate technicians to clean or repair the components inside the high-voltage switch cabinet.

[0004] However, the following defects still exist in this device and the prior art: The cabinet body and the door body of the high-voltage switch cabinet are generally connected by hinges. The locking device has a complex structure. The opened cabinet door has no limiting function, and the cabinet door will rotate automatically or even close, which brings many inconveniences to installation and maintenance, reduces the locking effect, and cannot meet the usage requirements. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a quick locking device for an intelligent earthing switch.

[0006] To achieve the above object, the utility model provides the following technical solution: a rapid locking device for an intelligent earthing switch, including a high-voltage cabinet body, one side of the high-voltage cabinet body is provided with a cabinet door, a connecting groove is arranged on the front end face of the high-voltage cabinet body, there are two connecting grooves, and the connecting grooves are arranged on one side of the cabinet door. One side of the cabinet door is provided with connecting blocks, there are two connecting blocks, and one end of the connecting block is fixedly connected with the cabinet door. The connecting blocks are arranged corresponding to the connecting grooves. Both sides of the two connecting blocks are provided with connecting rods, and one end of the connecting rod is fixedly connected with the connecting block. The connecting blocks and the connecting rods are rotatably connected with the high-voltage cabinet body. A boss is arranged inside the cabinet door, and the boss is integrally formed with the cabinet door. Two second servo motors are arranged on the boss, and the second servo motors are connected with the boss by screws. One side of each of the two second servo motors is provided with an interlock flap, and the interlock flap is connected with the output end of the second servo motor. A touch panel is arranged on one side of the cabinet door, and the touch panel is connected with the cabinet door by screws. The second servo motor is electrically connected with the touch panel.

[0007] By adopting the above technical solution, the cabinet door and the high-voltage cabinet body are rotatably connected through the connecting blocks and the connecting rods. Rotate the cabinet door to be connected and closed with the high-voltage cabinet body. Start the second servo motor to drive the interlock flap to rotate, insert the interlock flap into the inside of the high-voltage cabinet body, limit the closed cabinet door from the inside of the high-voltage cabinet to prevent the closed cabinet door from being opened, and achieve the rapid locking function. Then start the second servo motor to drive the interlock flap to rotate in the reverse direction, separate the interlock flap from the high-voltage cabinet body, and facilitate opening the cabinet door.

[0008] Further, two first servo motors are arranged inside the front end of the high-voltage cabinet body, and the first servo motors are connected with the high-voltage cabinet body by screws. The output end of the first servo motor is connected with one end of the connecting rod, and the first servo motor is electrically connected with the touch panel.

[0009] By adopting the above technical solution, the first servo motor drives the connecting rod to rotate. As the connecting rod rotates, it drives the connecting block to rotate in the connecting groove. The rotating connecting block drives the cabinet door to open and close, which can meet the opening and closing of a heavy cabinet door, eliminating the need for manual pushing and pulling of the cabinet door for opening and closing, improving both intelligence and the safety of cabinet door opening and closing.

[0010] Further, a rubber strip is arranged outside the boss, and the rubber strip is integrally connected with both the cabinet door and the boss. A flexible pad is arranged inside the interlock flap, and the flexible pad is fixedly connected with the interlock flap.

[0011] By adopting the above technical solution, the rubber strip fills the connection gap between the boss and the high-voltage cabinet body, improving the connection tightness between the cabinet door and the high-voltage cabinet body. The flexible pad contacts the inner wall of the high-voltage cabinet body, enabling the limiting structure to have a buffering effect and ensuring that the interlocking flap can be tightly inserted into the inside of the high-voltage cabinet body, playing a protective role for the limiting structure.

[0012] Further, a camera assembly is provided above the touch panel, and the camera assembly is connected to the cabinet door by screws. The camera assembly is electrically connected to the touch panel.

[0013] By adopting the above technical solution, the camera assembly takes pictures in front of the cabinet door, monitors when the staff operates the locking device, and can also be used for identity authentication, improving the use safety of the locking device.

[0014] Further, a leakage sensor assembly is provided on the back of the boss, and the leakage sensor assembly is connected to the boss by screws. The leakage sensor assembly is electrically connected to the touch panel.

[0015] By adopting the above technical solution, the leakage sensor assembly detects the leakage of the cabinet door, and the detection result is displayed through the touch panel, indirectly judging whether the locking device has leakage. When the locking device has leakage, it can remind the staff to avoid electric shock caused by accidentally touching the locking device, improving the use safety of the locking device.

[0016] Further, an alarm indicator light is provided on one side of the upper end of the high-voltage cabinet body, and the alarm indicator light is connected to the high-voltage cabinet body by screws. The alarm indicator light is electrically connected to the touch panel. A handle is provided on one side of the cabinet door, and the handle is connected to the cabinet door by screws.

[0017] By adopting the above technical solution, the alarm indicator light shows the working state of the high-voltage cabinet, and changes the light to give an alarm when the high-voltage cabinet is abnormal.

[0018] In summary, the beneficial technical effects of the present utility model are as follows:

[0019] 1. The connection block, the first servo motor, the connecting rod, the boss and the rubber strip are adopted. The first servo motor drives the connecting rod to rotate. As the connecting rod rotates, it drives the connection block to rotate in the connection groove. The rotating connection block drives the cabinet door to open and close. When the cabinet door is closed, the boss is pushed into the inside of the high-voltage cabinet, and the rubber strip fills the connection gap between the boss and the high-voltage cabinet body, improving the connection tightness between the cabinet door and the high-voltage cabinet body;

[0020] 2. An interlocking baffle and a second servo motor are adopted. The second servo motor drives the interlocking baffle to rotate, inserts the interlocking baffle into the inner side of the high-voltage cabinet body, limits the closed cabinet door from the inside of the high-voltage cabinet to prevent the closed cabinet door from being opened, realizes the quick locking function, and then starts the second servo motor to drive the interlocking baffle to rotate in the reverse direction, separates the interlocking baffle from the high-voltage cabinet body, and facilitates the opening of the cabinet door;

[0021] 3. A camera component and a leakage sensor component are adopted. The camera component takes pictures in front of the cabinet door, monitors when the staff operates the locking device, and can also be used for identity authentication. The leakage sensor component detects the leakage of the cabinet door, and the detection result is displayed through the touch panel, indirectly judging whether the locking device leaks electricity. When the locking device leaks electricity, it can remind the staff to avoid electric shock caused by accidentally touching the locking device and improve the use safety of the locking device. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The drawings are used to provide a further understanding of the present invention and constitute a part of the specification, but do not constitute a limitation to the present invention. In the drawings:

[0023] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0024] Figure 2 is a rear view structure diagram of the cabinet door of the present utility model;

[0025] Figure 3 is a connection relationship diagram between the cabinet door and the high-voltage cabinet body of the present utility model;

[0026] Figure 4 is a connection relationship diagram between the connecting block and the high-voltage cabinet body of the present utility model;

[0027] Figure 5 is a structure diagram of the connecting block of the present utility model.

[0028] In the figures, 1. High-voltage cabinet body; 2. Cabinet door; 3. Handle; 4. Touch panel; 5. Camera component; 6. Alarm indicator light; 7. Connecting block; 8. First servo motor; 9. Boss; 10. Rubber strip; 11. Interlocking baffle; 12. Second servo motor; 13. Leakage sensor component; 14. Flexible pad; 15. Connecting groove; 16. Connecting rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0029] The present invention will be further described in detail below with reference to the accompanying drawings.

[0030] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0031] Please refer to Figures 1-5 , the present utility model provides a technical solution: an intelligent grounding switch quick locking device, including a high-voltage cabinet body 1, a cabinet door 2 is arranged on one side of the high-voltage cabinet body 1, a connection groove 15 is arranged on the front end face of the high-voltage cabinet body 1, there are two connection grooves 15, and the connection groove 15 is arranged on one side of the cabinet door 2. A connection block 7 is arranged on one side of the cabinet door 2, there are two connection blocks 7, and one end of the connection block 7 is fixedly connected to the cabinet door 2. The connection block 7 is correspondingly arranged with the connection groove 15. Connecting rods 16 are arranged on both sides of the two connection blocks 7, and one end of the connecting rod 16 is fixedly connected to the connection block 7. The connection block 7 and the connecting rod 16 are both rotatably connected to the high-voltage cabinet body 1. A boss 9 is arranged inside the cabinet door 2, and the boss 9 is integrally formed with the cabinet door 2. A second servo motor 12 is arranged on the boss 9, there are two second servo motors 12, and the second servo motor 12 is connected to the boss 9 by screws. An interlock flap 11 is arranged on one side of the two second servo motors 12, and the interlock flap 11 is connected to the output end of the second servo motor 12. A touch panel 4 is arranged on one side of the cabinet door 2, and the touch panel 4 is connected to the cabinet door 2 by screws. The second servo motor 12 is electrically connected to the touch panel 4. The cabinet door 2 and the high-voltage cabinet body 1 are rotatably connected through the connection block 7 and the connecting rod 16. Rotate the cabinet door 2 to be connected and closed with the high-voltage cabinet body 1, turn on the second servo motor 12 to drive the interlock flap 11 to rotate, insert the interlock flap 11 into the inside of the high-voltage cabinet body 1, and limit the closed cabinet door 2 to prevent the closed cabinet door 2 from being opened, realizing the quick locking function.

[0032] Please refer to Figure 1 and Figure 4 , inside the front end of the high-voltage cabinet body 1, there are two first servo motors 8, and the first servo motor 8 is connected to the high-voltage cabinet body 1 by screws. The output end of the first servo motor 8 is connected to one end of the connecting rod 16, and the first servo motor 8 is electrically connected to the touch panel 4. The first servo motor 8 drives the connecting rod 16 to rotate. As the connecting rod 16 rotates, it drives the connection block 7 to rotate in the connection groove 15, and the rotating connection block 7 drives the cabinet door 2 to open and close. There is no need to manually push and pull the cabinet door 2 to open and close, which not only improves the intelligence but also improves the safety of opening and closing the cabinet door 2.

[0033] Please refer to Figure 2 and Figure 3, a rubber strip 10 is provided outside the boss 9, and the rubber strip 10 is integrally connected to both the cabinet door 2 and the boss 9. A flexible pad 14 is provided inside the interlock flap 11, and the flexible pad 14 is fixedly connected to the interlock flap 11. The rubber strip 10 improves the sealing performance between the cabinet door 2 and the high-voltage cabinet body 1. The flexible pad 14 contacts the inner wall of the high-voltage cabinet body 1, so that the limiting structure has a buffering effect and can play a protective role.

[0034] Please refer to Figure 1 , a camera assembly 5 is provided above the touch panel 4, and the camera assembly 5 is connected to the cabinet door 2 by screws. The camera assembly 5 is electrically connected to the touch panel 4. The camera assembly 5 is used to take pictures in front of the cabinet door 2, monitor when the staff operates the locking device, and can also be used for identity authentication to improve the safety of using the locking device.

[0035] Please refer to Figure 2 , a leakage sensor assembly 13 is provided on the back of the boss 9, and the leakage sensor assembly 13 is connected to the boss 9 by screws. The leakage sensor assembly 13 is electrically connected to the touch panel 4. The leakage sensor assembly 13 is used to detect the leakage of the cabinet door 2, and the detection result is displayed through the touch panel 4 to indirectly judge whether the locking device leaks electricity, avoiding electric shock caused by accidentally touching the locking device and improving the safety of using the locking device.

[0036] Please refer to Figure 1 , an alarm indicator light 6 is provided on one side of the upper end of the high-voltage cabinet body 1, and the alarm indicator light 6 is connected to the high-voltage cabinet body 1 by screws. The alarm indicator light 6 is electrically connected to the touch panel 4. A handle 3 is provided on one side of the cabinet door 2, and the handle 3 is connected to the cabinet door 2 by screws. The working state of the high-voltage cabinet is displayed through the alarm indicator light 6, and the light changes to give an alarm when the high-voltage cabinet is abnormal.

[0037] Working principle: The cabinet door 2 is rotatably connected to the high-voltage cabinet body 1 through the connecting block 7 and the connecting rod 16. The first servo motor 8 is started to drive the connecting rod 16 to rotate. As the connecting rod 16 rotates, it drives the connecting block 7 to rotate in the connecting groove 15. The rotating connecting block 7 drives the cabinet door 2 to open and close. The rotating cabinet door 2 is connected and closed with the high-voltage cabinet body 1. The second servo motor 12 is started to drive the interlocking flap 11 to rotate, and the interlocking flap 11 is inserted into the inner side of the high-voltage cabinet body 1 to limit the closed cabinet door 2 and prevent the closed cabinet door 2 from being pulled open, realizing the fast locking function; the rubber strip 10 improves the connection sealing performance between the cabinet door 2 and the high-voltage cabinet body 1, and the flexible pad 14 contacts the inner wall of the high-voltage cabinet body 1, so that the limiting structure has a buffering effect and can play a protective role; the camera assembly 5 takes pictures in front of the cabinet door 2 to monitor when the staff operates the locking device and can also be used for identity authentication. The leakage sensor assembly 13 detects the leakage of the cabinet door 2, and the detection result is displayed through the touch panel 4 to indirectly judge whether the locking device leaks electricity, avoiding electric shock caused by accidentally touching the locking device and improving the use safety of the locking device.

[0038] It should be noted that in this article, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any actual relationship or order between these entities or operations. Moreover, the term "comprising", "including" or any other variant thereof is intended to cover a non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or also includes elements inherent to such process, method, article or device.

[0039] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. An intelligent grounding switch quick locking device, comprising a high voltage cabinet (1), characterized in that: A cabinet door (2) is provided on one side of the high-voltage cabinet body (1), a connecting groove (15) is provided on the front end surface of the high-voltage cabinet body (1), two connecting grooves (15) are provided, and the connecting groove (15) is provided on one side of the cabinet door (2), a connecting block (7) is provided on one side of the cabinet door (2), two connecting blocks (7) are provided, and one end of the connecting block (7) is fixedly connected to the cabinet door (2), the connecting block (7) and the connecting groove (15) are provided correspondingly, connecting rods (16) are provided on both sides of the two connecting blocks (7), and one end of the connecting rod (16) is fixedly connected to the connecting block (7), and the connecting block (7) and the connecting rod (16) are connected to the high-voltage cabinet body (1). The cabinet door (2) is rotatably connected, a boss (9) is arranged on the inner side of the cabinet door (2), and the boss (9) and the cabinet door (2) are arranged as a whole, a second servo motor (12) is arranged on the boss (9), two second servo motors (12) are arranged, and the second servo motor (12) and the boss (9) are connected by screws, one side of the two second servo motors (12) are provided with an interlocking baffle (11), and the interlocking baffle (11) is connected to the output end of the second servo motor (12), a touch panel (4) is arranged on one side of the cabinet door (2), and the touch panel (4) and the cabinet door (2) are connected by screws, and the second servo motor (12) and the touch panel (4) are electrically connected.

2. The intelligent grounding switch quick locking device according to claim 1 is characterized in that: A first servo motor (8) is arranged inside the front end of the high-voltage cabinet body (1), two first servo motors (8) are arranged, and the first servo motor (8) is connected to the high-voltage cabinet body (1) by screws, the output end of the first servo motor (8) is connected to one end of the connecting rod (16), and the first servo motor (8) is electrically connected to the touch panel (4).

3. The intelligent grounding switch quick locking device according to claim 1 is characterized in that: A rubber strip (10) is arranged outside the boss (9), and the rubber strip (10) is integrally connected to the cabinet door (2) and the boss (9); a flexible pad (14) is arranged inside the interlocking baffle (11), and the flexible pad (14) is fixedly connected to the interlocking baffle (11).

4. The intelligent grounding switch quick locking device according to claim 2 is characterized in that: A camera assembly (5) is arranged above the touch panel (4), and the camera assembly (5) is connected to the cabinet door (2) via screws. The camera assembly (5) is electrically connected to the touch panel (4).

5. The intelligent grounding switch quick locking device according to claim 2 is characterized in that: A leakage sensor component (13) is arranged on the back of the boss (9), and the leakage sensor component (13) is connected to the boss (9) via screws, and the leakage sensor component (13) is electrically connected to the touch panel (4).

6. The intelligent grounding switch quick locking device according to claim 1, characterized in that: An alarm indicator light (6) is provided on one side of the upper end of the high-voltage cabinet body (1), and the alarm indicator light (6) is connected to the high-voltage cabinet body (1) by screws, the alarm indicator light (6) is electrically connected to the touch panel (4), and a handle (3) is provided on one side of the cabinet door (2), and the handle (3) is connected to the cabinet door (2) by screws.

Citation Information

Patent Citations

  • Locking device for high-voltage switch cabinet

    CN213510086U