Novel outdoor vacuum circuit breaker with opening and closing lock and counter
By introducing mechanical and electrical dual interlocking devices and counters into outdoor vacuum circuit breakers, the safety hazards during circuit breaker maintenance have been solved, enabling safe and reliable operation and real-time monitoring, thus improving safety and reliability.
Patent Information
- Application Number
- CN202422749812.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-12
- Publication Date
- 2025-11-25
- Estimated Expiration
- 2034-11-12
AI Technical Summary
Existing outdoor vacuum circuit breakers cannot effectively prevent manual closing during maintenance, posing a safety hazard, and their usage status cannot be monitored in real time.
An outdoor vacuum circuit breaker with opening and closing interlocking and a counter was designed. It adopts a dual mechanical and electrical interlocking device. The counter records the number of times the circuit breaker operates, and the electrical interlocking is achieved through a voltage sensor and a controller to ensure that the circuit breaker cannot be manually operated when it is in the appropriate position.
It achieves safe mechanical interlocking of the circuit breaker, prevents misoperation, ensures maintenance safety, and provides real-time monitoring of usage status, thereby improving safety and reliability.
Smart Images
Figure CN223598614U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to outdoor pole switch technical field especially a novel outdoor vacuum circuit breaker with opening and closing locking and counter. BACKGROUND
[0002] 1. Outdoor vacuum circuit breaker is a kind of high-voltage electrical equipment, when periodic maintenance or fault maintenance, need to ensure that circuit breaker is in the opening position, prohibit local or remote closing circuit breaker, the circuit breaker of the past can only realize electrical locking, cannot prevent manual closing circuit breaker, cannot guarantee the safety of maintenance personnel, the locking device is added in the present application, realizes mechanical, electrical double locking completely;2. Circuit breaker needs to keep closing state under special circumstances, can be easily realized through the locking device added;3. Circuit breaker is increased with counter, and it is convenient for user to understand the use condition of circuit breaker. SUMMARY
[0003] In order to overcome the existing deficiencies, the utility model provides a novel outdoor vacuum circuit breaker with opening and closing locking and counter.
[0004] The utility model discloses a novel outdoor vacuum circuit breaker with opening and closing locking and counter, including voltage sensor, solid seal pole, carry and lift handle and locking device, the solid seal pole is equipped with three groups, and all are fixed on operating base, operating base side is equipped with carry and lift handle, and the front is equipped with locking device and opening and closing handle, the locking device includes locking shell, locking rod, locking pull ring and locking piece, the locking piece is arranged in opening and closing handle middle, and is equipped with through -hole in the middle, the locking rod is passed through in locking shell interior, and is connected with locking pull ring in locking shell interior, and the locking shell is fixed on operating base side, the solid seal pole is built -in current transformer, insulation pull rod, vacuum arc chamber, and both sides are equipped with voltage sensor.
[0005] According to another embodiment of the utility model, further include, the locking rod can be horizontally moved, and the height of horizontal position is consistent with the height of through -hole.
[0006] According to another embodiment of the utility model, further include, the locking shell one side is equipped with threading pipe, and the threading pipe is electrically connected with controller.
[0007] According to another embodiment of the utility model, further include, operating base front side is equipped with opening and closing instruction board one, power socket and grounding terminal, and bottom is equipped with counter and opening and closing instruction board two.
[0008] According to another embodiment of the utility model, further include, the vacuum arc chamber is connected with insulation pull rod, and current transformer, voltage sensor are electrically connected with controller.
[0009] The beneficial effects of this utility model are that the added interlocking device on the circuit breaker is particularly suitable for the working conditions of circuit breaker maintenance, which can ensure the personal safety of the construction workers. At the same time, the device has a simple and reliable structure, low cost, and is easy to promote and use. Attached Figure Description
[0010] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0011] Figure 1 This is a schematic diagram of the structure of this utility model;
[0012] Figure 2 This is a side sectional view of the present invention;
[0013] Figure 3 This is a bottom view of the present invention;
[0014] Figure 4 yes Figure 1 A magnified schematic diagram of the locked state of part A;
[0015] Figure 5 yes Figure 1 A magnified view of the unlocked state of part A;
[0016] Figure 6 This is the electrical connection diagram of this utility model.
[0017] In the diagram: 1. Voltage sensor; 2. Solid-sealed pole; 3. Lifting handle; 4. Locking device; 5. Operating base; 6. Opening / closing handle; 7. Locking housing; 8. Locking rod; 9. Locking pull ring; 10. Locking plate; 11. Current transformer; 12. Insulating pull rod; 13. Vacuum interrupter; 14. Conduit; 15. Controller; 16. Opening / closing indicator plate one; 17. Aviation socket; 18. Grounding terminal; 19. Counter; 20. Opening / closing indicator plate two. Detailed Implementation
[0018] like Figure 1 This is a schematic diagram of the structure of this utility model. A novel outdoor vacuum circuit breaker with opening / closing interlocking and a counter includes a voltage sensor 1, a solid-sealed pole 2, a lifting handle 3, and an interlocking device 4. The solid-sealed pole 2 has three sets, all fixed to an operating base 5. The operating base 5 has a lifting handle 3 on its side and an interlocking device 4 and an opening / closing handle 6 on its front. The interlocking device 4 includes an interlocking housing 7, an interlocking rod 8, an interlocking pull ring 9, and an interlocking plate 10. The interlocking plate 10 is located in the middle of the opening / closing handle 6, with a through hole in the middle. The interlocking rod 8 passes through the inside of the interlocking housing 7 and is connected to the interlocking pull ring 9 inside the interlocking housing 7. The interlocking housing 7 is fixed to the side of the operating base 5. The solid-sealed pole 2 has a built-in current transformer 11, an insulating pull rod 12, and a vacuum interrupter 13, and voltage sensors 1 are located on both sides.
[0019] Specifically, the three-phase solid-sealed pole 2 is integrally cast by high-quality epoxy resin, has high strength, is resistant to ultraviolet rays, and has a longer service life; the solid-sealed pole 2 is internally provided with a current transformer 11 and voltage sensors 1 on both sides, thereby providing more high-precision current and voltage signals for a controller 15 and ensuring the safe operation of a line; the solid-sealed pole 2 is integrally cast, the electric field is more uniform, and the pole column partial discharge is less than or equal to 5pC.
[0020] According to another embodiment of the utility model, further include, the locking lever 8 can move horizontally, the height of horizontal position is consistent with the height of through hole.
[0021] According to another embodiment of the utility model, further include, the locking shell 7 one side is equipped with threading pipe 14, threading pipe 14 with controller 15 electric connection.
[0022] According to another embodiment of the utility model, further include, the operation base 5 front side is equipped with on-off indicator board one 16, navigation socket 17 and grounding terminal 18, bottom is equipped with counter 19 and on-off indicator board two 20.
[0023] Specifically, the counter 19 and the on-off indicator board two 20 are added below the circuit breaker, the counter 19 automatically records the action times, and the on-off indicator board two 20 automatically flips, so that the user can understand the working condition of the circuit breaker.
[0024] According to another embodiment of the utility model, further include, the vacuum arc-extinguishing chamber 13 is connected with the insulating pull rod 12, the current transformer 11, the voltage sensor 1 and the controller 15 are electrically connected.
[0025] Specific operation process, the locking device 4 is added to the front of the circuit breaker, when it is needed to close the circuit breaker in the closing or opening position, the locking pull ring 9 is pulled downward, the locking lever 8 moves right, passes through the locking sheet 10, locks the on-off handle 6, prevents the manual on-off circuit breaker, and the change of the travel switch node in the locking device occurs, the controller detects the node change signal sent by the threading pipe 14, the on-off electric circuit is locked, the on-off circuit breaker is prevented, mechanical and electrical double locking are realized, the use safety of the user is ensured, and it is especially suitable for the working condition of the user to overhaul the circuit breaker, such as Figure 4 Locking state. After the overhaul is completed, the locking pull ring 9 is pushed upward, the locking lever 8 moves left, the interlocking of the on-off handle 6 is released, and the circuit breaker can be normally operated, such as Figure 5 Unlocking state
[0026] The above description is only illustrative but not restrictive for the utility model, and those skilled in the art understand that many modifications, changes or equivalents can be made without departing from the spirit and scope defined by the appended claims, and all will fall within the protection scope of the utility model.
Claims
1. A new type of outdoor vacuum circuit breaker with opening and closing lock and counter, characterized in that, Including voltage sensor (1), solid seal pole (2), lift handle (3) and locking device (4), the solid seal pole (2) is provided with three groups, and is fixed on the operation base (5), the operation base (5) side is provided with lift handle (3), front is provided with locking device (4) and split handle (6), the locking device (4) includes locking shell (7), locking rod (8), locking pull ring (9) and locking piece (10), the locking piece (10) is set in split handle (6) middle, and middle is provided with through hole, the locking rod (8) is penetrated in locking shell (7) inside, and is connected with locking pull ring (9) in locking shell (7) inside, the locking shell (7) is fixed on the operation base (5) side, the solid seal pole (2) is built-in current transformer (11), insulation pull rod (12), vacuum arc-extinguishing chamber (13), and both sides are provided with voltage sensor (1).
2. The outdoor vacuum circuit breaker with opening and closing lock and counter according to claim 1, characterized in that, The locking rod (8) can be horizontally moved, and the height of horizontal position is consistent with the height of through hole.
3. The outdoor vacuum circuit breaker with opening and closing lock and counter according to claim 1, characterized in that, The locking shell (7) side is provided with threading tube (14), and the threading tube (14) is electrically connected with controller (15).
4. The outdoor vacuum circuit breaker with opening and closing lock and counter according to claim 1, characterized in that, The operation base (5) front side is provided with split indicator one (16), socket (17) and grounding terminal (18), bottom is provided with counter (19) and split indicator two (20).
5. The new type outdoor vacuum circuit breaker with opening and closing blocking and counter according to claim 1, characterized in that, The vacuum arc-extinguishing chamber (13) is connected with insulation pull rod (12), and current transformer (11), voltage sensor (1) are electrically connected with controller (15).