A smart electronic anti-misoperation lock for a 10KV load switchgear

Abstract

This invention provides an intelligent electronic anti-misoperation lock for 10kV load switchgear. Addressing the problems of traditional 10kV switchgear copper locks, such as cumbersome operation, lack of insulation protection, and susceptibility to misoperation, this new design employs an integrated transmission locking mechanism that can simultaneously lock two lock holes on one side. Rotating the lock hole and latch via a key-operated handle, and then coordinating with the transmission frame and shaft, locks and unlocks the switchgear baffle locking mechanism via a limit pin. The intelligent circuit board integrates a voltage detector and a collision alarm device, combined with conductive metal primary and secondary locking rods, enabling real-time monitoring of leakage and collision conditions, and emitting audible and visual alarms via buzzers and indicator lights. An insulated handle and a high-strength plastic lock body ensure operator safety. This anti-misoperation lock is simple and efficient to operate, offers excellent safety performance, effectively prevents misoperation, provides real-time feedback on equipment status, and improves the safety and reliability of power equipment operation.

Description

Technical Field

[0001] This utility model relates to the field of power equipment safety protection technology, and in particular to a 10KV load switchgear intelligent electronic anti-mislocking mechanism. Background Technology

[0002] In power systems, 10kV load switchgear is a key piece of equipment for ensuring stable power transmission and distribution. When 10kV switchgear undergoes maintenance, reliable anti-vibration measures must be implemented for the busbar contact baffles and line contact baffles inside the cabinet. Currently, most power plants commonly use copper locks to achieve this function, but this method has several significant drawbacks. First, the copper lock hanging and unhanging process is cumbersome, consuming considerable time and manpower, severely impacting maintenance efficiency. Second, copper locks are metal structures and lack insulation properties, making operators highly susceptible to electric shock during hanging and unhanging, posing a significant threat to personal safety. Third, copper locks are small in size, leaving some room for movement after hanging. In practice, there have been numerous instances where the switch has been moved to the working position without removing the lock, resulting in severe damage to the switch body, causing significant economic losses and seriously affecting the stable operation of the power system. Therefore, a new type of anti-mislocking device is urgently needed to solve the problems of inconvenient operation, significant safety hazards, and ineffective prevention of misoperation associated with the existing copper lock method. Utility Model Content

[0003] To address the shortcomings of existing technologies, this utility model provides an intelligent electronic anti-misoperation lock for 10KV load switchgear. Through innovative structural design and intelligent function integration, it overcomes the defects of existing copper lock methods, achieving simple operation, safety, and reliability. It can provide real-time reminders to operators of equipment status, fundamentally eliminating misoperation and ensuring the safe and stable operation of power equipment. To achieve the above objectives, this utility model adopts the following technical solution:

[0004] A 10kV load switchgear intelligent electronic anti-misoperation lock includes a lock hole and lock tongue, a transmission frame, a transmission shaft, a limit pin, a secondary lock rod, a primary lock rod, a lock body shell, an intelligent circuit board, a buzzer, an indicator light, and an insulated handle.

[0005] The intelligent electronic anti-mislock is an integrally designed transmission locking mechanism that can simultaneously lock two lock holes on one side.

[0006] The intelligent circuit board integrates an electroscope and a collision alarm device to trigger the buzzer and indicator light to work;

[0007] The lock hole and lock tongue are linked to the transmission shaft via a transmission frame, and the transmission shaft is connected to the transmission contact via a transmission shaft head.

[0008] The limiting pin engages with the transmission contact through a slanted groove structure, and achieves the locking function of the lock hole under the action of the limiting pin spring;

[0009] Both the primary and secondary locking rods are made of conductive metal and transmit current signals to the intelligent circuit board through the contact 10KV switchgear baffle locking mechanism.

[0010] The insulated handle is connected to the key head via a key-operated handle, thus achieving operational insulation protection.

[0011] Furthermore, when the lock hole and lock tongue are in the OPEN state, they press against the transmission frame, causing the transmission shaft and transmission shaft head to extend out. The transmission contact then presses down on the limiting pin, causing the limiting pin to retract into the secondary lock rod.

[0012] Furthermore, the limiting pin has an inclined groove that cooperates with the transmission contact. In the LOCK state, the limiting pin is pushed out by the spring and locks the locking hole of the 10KV switchgear baffle locking mechanism.

[0013] Furthermore, the intelligent circuit board activates a collision alarm function by detecting the position signals of the keyhole and the bolt; when the lock body detects a collision, the collision alarm device triggers a buzzer and indicator light to emit an audible and visual alarm.

[0014] Furthermore, the primary and secondary locking rods are in contact with the 10KV switchgear baffle locking mechanism through conductive metal materials. If leakage current is detected, the buzzer and indicator light are triggered by the voltage detector on the intelligent circuit board to issue an audible and visual alarm.

[0015] Furthermore, the insulated handle is made of insulating rubber.

[0016] Furthermore, the outer diameter of the secondary locking rod is slightly smaller than the locking hole of the 10KV switchgear baffle locking mechanism.

[0017] Furthermore, the intelligent electronic anti-misoperation lock is powered by a 9V battery, which is installed in the battery compartment inside the lock body.

[0018] Furthermore, the transmission frame achieves a reset function through a transmission frame spring. When the lock hole and lock tongue are rotated to the LOCK state, the transmission frame is lifted by the spring, and the transmission shaft and transmission shaft head retract in conjunction.

[0019] Furthermore, the lock body shell is made of high-strength plastic and integrates a buzzer, indicator light, and intelligent circuit board, and is isolated from the external operating mechanism by the insulated lock body shell.

[0020] Compared with the prior art, the present invention has the following beneficial effects:

[0021] 1. The integrated transmission locking mechanism can lock two lock holes on one side at the same time. Compared with the traditional brass lock, the operation steps are greatly simplified. The operator only needs to rotate the lock hole and the lock tongue by operating the key to quickly complete the installation and disassembly of the anti-mislocking device, which significantly improves work efficiency.

[0022] 2. The insulated handle is made of insulating rubber and combined with a high-strength plastic lock body shell, effectively isolating the operator from direct contact with metal parts and preventing electric shock accidents. The voltage detector and collision alarm device integrated into the intelligent circuit board can monitor equipment leakage and collision in real time. Once an abnormality is detected, it will immediately issue an audible and visual alarm through a buzzer and indicator light to promptly remind the operator to take appropriate measures, thus comprehensively protecting the safety of personnel and equipment.

[0023] 3. Anti-mislocking: In the locked state, it can firmly lock the 10KV switchgear baffle interlocking mechanism, effectively preventing the misoperation of turning the switch to the working position without removing the lock, fundamentally avoiding equipment damage accidents caused by misoperation, and ensuring the stable operation of the power system;

[0024] 4. The audible and visual alarms of the buzzer and indicator lights can provide real-time feedback on the equipment status to the operator. Whether it is a risk of leakage or a collision, the operator can obtain information immediately, making it easier to make correct decisions in a timely manner and improving the safety and reliability of power equipment operation. Attached Figure Description

[0025] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0026] Figure 1 Three-dimensional structure of this utility model embodiment Figure 1 ;

[0027] Figure 2 Three-dimensional structure of this utility model embodiment Figure 2 ;

[0028] Figure 3 This is an internal structural diagram of an embodiment of the present utility model;

[0029] Figure 4 This is a structural diagram of the key operating handle according to an embodiment of the present utility model.

[0030] In the above attached diagram: 1. Lock hole and lock tongue; 2. Transmission frame; 3. Transmission frame spring; 4. Transmission shaft; 5. Transmission shaft head; 6. Transmission contact; 7. Limit pin spring; 8. Limit pin; 9. Secondary lock rod; 10. Primary lock rod; 11. Lock body shell; 12. Intelligent circuit board; 13. Buzzer; 14. Indicator light; 15. Battery and battery compartment; 16. Insulated handle; 17. Key head; 18. Key operation handle. Detailed Implementation

[0031] The technical solution of this utility model will be further described below with reference to the accompanying drawings and embodiments.

[0032] like Figures 1-4 As shown in the figure, this utility model embodiment proposes a 10KV load switch cabinet intelligent electronic anti-mislock, which is mainly composed of lock hole and lock tongue 1, transmission frame 2, transmission shaft 4, limit pin 8, secondary lock rod 9, primary lock rod 10, lock body shell 11, intelligent circuit board 12, buzzer 13, indicator light 14 and insulated handle 16 and other components.

[0033] This intelligent electronic anti-mislocking device adopts an integrated transmission locking mechanism, which can simultaneously lock two lock holes on one side, greatly improving the efficiency and reliability of locking. The intelligent circuit board 12 integrates an electrodetector and a collision alarm device, which can accurately detect the equipment status and promptly trigger the buzzer 13 and indicator light 14 to work based on the detection results, reminding the operator in the form of audible and visual alarms.

[0034] The lock hole and latch 1 are linked to the transmission shaft 4 via the transmission frame 2. The transmission shaft 4 is connected to the transmission contact 6 via the transmission shaft head 5, forming a complete transmission system. The limit pin 8 cooperates with the transmission contact 6 through a unique inclined groove structure, and under the action of the limit pin spring 7, it achieves a reliable locking function for the lock hole. Both the primary locking rod 10 and the secondary locking rod 9 are made of conductive metal. By contacting the 10KV switchgear baffle locking mechanism, they can accurately transmit current signals to the intelligent circuit board 12. The insulated handle 16 is connected to the key head 17 via the key operation handle 18, providing reliable operational insulation protection for operators and avoiding the risk of electric shock.

[0035] Furthermore, the lock hole and latch 1 have two states: OPEN and LOCK. In the OPEN state, the lock hole and latch 1 press against the transmission frame 2, causing the transmission shaft 4 and transmission shaft head 5 to extend. The transmission contact 6 then presses down on the limiting pin 8, causing the limiting pin 8 to retract into the secondary locking rod 9. At this time, the anti-mislocking mechanism is in the unlocked state, facilitating installation and disassembly. The limiting pin 8 has an inclined groove. In the LOCK state, the limiting pin 8 is pushed out by the limiting pin spring 7, locking the locking hole of the 10KV switchgear baffle locking mechanism, achieving a secure lock.

[0036] The intelligent circuit board 12 can detect the position signals of the keyhole and the bolt 1 in real time. When the bolt is detected to be in the LOCK state, the collision alarm function is activated. Once the lock body shell 11 detects a collision, the collision alarm device immediately triggers the buzzer 13 and indicator light 14 to issue an audible and visual alarm, reminding the operator to pay attention to the equipment status. When the primary locking rod 10 and the secondary locking rod 9 contact the 10KV switchgear baffle locking mechanism through conductive metal material, if leakage current is detected, the voltage detector of the intelligent circuit board 12 will quickly trigger the buzzer 13 and indicator light 14 to issue an audible and visual alarm, promptly warning of leakage risk.

[0037] The insulated handle 16 is made of insulating rubber to ensure good insulation performance. The outer diameter of the secondary locking rod 9 is slightly smaller than the locking hole of the 10KV switchgear baffle locking mechanism by 1mm, which facilitates insertion and achieves precise locking. The intelligent electronic anti-mislock is powered by a 9V battery, which is installed in the battery compartment 15 inside the lock body shell 11 to ensure continuous and stable operation of the equipment. The transmission frame 2 achieves the reset function through the transmission frame spring 3. When the lock hole and lock tongue 1 are rotated to the LOCK state, the transmission frame 2 is lifted by the spring, and the linkage transmission shaft 4 and transmission shaft head 5 retract, completing the reset operation of the transmission system. The lock body shell 11 is made of high-strength plastic, which not only effectively integrates components such as the buzzer 13, indicator light 14, and intelligent circuit board 12, but also isolates the internal electronic components from the external operating mechanism through insulation properties, further ensuring equipment safety.

[0038] The working principle is:

[0039] When the 10kV load switchgear needs maintenance and the installation of intelligent electronic anti-mislocking, the operator holds the insulated handle 16 and inserts the key head 17 into the lock hole and lock tongue 1, at which point the lock hole and lock tongue 1 are in the OPEN state. In this state, the lock hole and lock tongue 1 press against the transmission frame 2, which drives the transmission shaft 4 and transmission shaft head 5 to extend. The transmission shaft head 5 pushes the transmission contact 6 down to press the limit pin 8, so that the limit pin 8 retracts into the secondary locking rod 9 after overcoming the elastic force of the limit pin spring 7. At this time, the secondary locking rod 9 is inserted into the locking hole of the 10kV switchgear baffle locking mechanism. Since the outer diameter of the secondary locking rod 9 is 1mm smaller than the locking hole, it is easy to insert smoothly. Then, the lock hole and lock tongue 1 are rotated to the LOCK state by operating the key handle 18.

[0040] As the lock hole and lock tongue 1 rotate, the transmission frame 2 is lifted by the transmission frame spring 3, and the linkage transmission shaft 4 and transmission shaft head 5 retract. At this time, the transmission contact 6 no longer applies pressure to the limit pin 8. Under the elastic force of the limit pin spring 7, the limit pin 8 is pushed out of the secondary locking rod 9 along its internal inclined groove, locking the locking hole of the 10KV switchgear baffle locking mechanism, thus achieving a firm lock to prevent accidental locking.

[0041] The intelligent circuit board 12 monitors the position signals of the keyhole and bolt 1 in real time. When the bolt is detected to be in the LOCK state, the collision alarm function is automatically activated. Once the lock body shell 11 is hit, the collision signal is captured by the intelligent circuit board 12, and the collision alarm device immediately triggers the buzzer 13 to emit a loud alarm sound. At the same time, the indicator light 14 flashes to remind the operator that there may be an abnormality in preventing accidental locking.

[0042] Since both the primary locking rod 10 and the secondary locking rod 9 are made of conductive metal, when they come into contact with the 10KV switchgear baffle locking mechanism, if there is a leakage current in the switchgear body, the leakage current will be transmitted to the voltage detector on the intelligent circuit board 12 through the primary locking rod 10 and the secondary locking rod 9. After detecting the leakage current, the voltage detector will quickly trigger the buzzer 13 and indicator light 14 to issue an audible and visual alarm, warning the operator of the risk of leakage and prompting them to take appropriate safety measures in a timely manner.

[0043] In practical applications, this intelligent electronic anti-misoperation lock has demonstrated significant technical advantages. Operationally, operators no longer need to cumbersomely handle multiple brass locks; installation and removal of the anti-misoperation lock can be quickly completed with a simple key rotation, significantly reducing operation time and improving maintenance efficiency. For safety, the insulated handle and insulated lock body effectively prevent electric shock accidents. The integrated voltage detector and collision alarm can promptly issue audible and visual alarms when equipment experiences leakage or collisions, providing operators with sufficient safety warnings and ensuring the safety of personnel and equipment. The anti-misoperation function fundamentally eliminates the possibility of equipment damage caused by operating switches without removing the lock, ensuring the stable operation of the power system. Through real-time audible and visual alarms, operators can understand the equipment status at any time and make accurate operational decisions, further improving the safety and reliability of power equipment operation, demonstrating high practical value and significant potential for widespread adoption.

[0044] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of this utility model and are not intended to limit it. Although this utility model has been described in detail with reference to preferred embodiments, those skilled in the art should understand that modifications or equivalent substitutions can be made to the technical solutions of this utility model without departing from the spirit and scope of the technical solutions of this utility model, and all such modifications or substitutions should be covered within the scope of the claims of this utility model.

Claims

1. A 10KV load switchgear intelligent electronic anti-mislock, comprising a lock hole and lock tongue (1), a transmission frame (2), a transmission shaft (4), a limit pin (8), a secondary lock rod (9), a primary lock rod (10), a lock body shell (11), an intelligent circuit board (12), a buzzer (13), an indicator light (14), and an insulated handle (16), characterized in that: The intelligent electronic anti-mislock is an integrally designed transmission locking mechanism that can simultaneously lock two lock holes on one side. The intelligent circuit board (12) integrates an electroscope and a collision alarm device, which are used to trigger the buzzer (13) and indicator light (14) to work; The lock hole and lock tongue (1) are linked to the transmission shaft (4) through the transmission frame (2), and the transmission shaft (4) is connected to the transmission contact (6) through the transmission shaft head (5); The limiting pin (8) cooperates with the transmission contact (6) through the inclined groove structure, and realizes the locking function of the lock hole under the action of the limiting pin spring (7); Both the primary locking rod (10) and the secondary locking rod (9) are made of conductive metal and transmit current signals to the intelligent circuit board (12) through the contact 10KV switch cabinet baffle locking mechanism. The insulated handle (16) is connected to the key head (17) via the key operation handle (18) to achieve operational insulation protection.

2. The intelligent electronic anti-misoperation lock for a 10KV load switchgear as described in claim 1, characterized in that, When the lock hole and lock tongue (1) are in the OPEN state, they press against the transmission frame (2), causing the transmission shaft (4) and transmission shaft head (5) to extend out. The transmission contact (6) then presses down the limiting pin (8), and the limiting pin (8) retracts into the secondary lock rod (9).

3. The intelligent electronic anti-misoperation lock for a 10KV load switchgear as described in claim 1, characterized in that, The limiting pin (8) has an inclined groove inside, which cooperates with the transmission contact (6). In the LOCK state, it is pushed out by the limiting pin spring (7) and locks the locking hole of the 10KV switch cabinet baffle locking mechanism.

4. The intelligent electronic anti-misoperation lock for a 10KV load switchgear as described in claim 1, characterized in that, The intelligent circuit board (12) activates the collision alarm function by detecting the position signals of the lock hole and the lock tongue (1); when the lock body shell (11) detects a collision, the collision alarm device triggers the buzzer (13) and the indicator light (14) to emit an audible and visual alarm.

5. The intelligent electronic anti-misoperation lock for a 10KV load switchgear as described in claim 1, characterized in that, The first-level locking rod (10) and the second-level locking rod (9) are in contact with the 10KV switch cabinet baffle locking mechanism through conductive metal material. If leakage current is detected, the buzzer (13) and indicator light (14) are triggered by the voltage detector of the intelligent circuit board (12) to issue an audible and visual alarm.

6. The intelligent electronic anti-mislocking mechanism for a 10KV load switchgear as described in claim 1, characterized in that, The insulated handle (16) is made of insulating rubber.

7. The intelligent electronic anti-misoperation lock for a 10KV load switchgear as described in claim 1, characterized in that, The outer diameter of the secondary locking rod (9) is slightly smaller than the locking hole of the 10KV switchgear baffle locking mechanism.

8. The intelligent electronic anti-mislocking mechanism for a 10KV load switchgear as described in claim 1, characterized in that, The intelligent electronic anti-misoperation lock is powered by a 9V battery, which is installed in the battery compartment (15) inside the lock body shell (11).

9. The intelligent electronic anti-mislocking mechanism for a 10KV load switchgear as described in claim 1, characterized in that, The transmission frame (2) achieves the reset function through the transmission frame spring (3). When the lock hole and lock tongue (1) are rotated to the LOCK state, the transmission frame (2) is lifted by the spring, and the transmission shaft (4) and transmission shaft head (5) are retracted.

10. The intelligent electronic anti-misoperation lock for a 10KV load switchgear as described in claim 1, characterized in that, The lock body shell (11) is made of high-strength plastic and integrates a buzzer (13), an indicator light (14) and a smart circuit board (12), and is isolated from the external operating mechanism through the insulated lock body shell (11).

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