Intelligent high-voltage switch control device
By designing an intelligent high-voltage switch control device, the operation errors, power supply instability and signal transmission failures in traditional control methods are solved, efficient and safe switching control is achieved, and the operation reliability and safety of the power system are improved.
Patent Information
- Application Number
- CN202421157258.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-26
- Publication Date
- 2025-01-07
- Estimated Expiration
- 2034-05-26
AI Technical Summary
The traditional high-voltage switch control methods have problems such as operational errors, power supply instability, signal transmission failure and lack of status monitoring feedback, resulting in system failure and unsafe operation.
An intelligent high-voltage switch control device is designed, including buttons, indicator lights and control lines, which supports on-site and remote control, has status indicators and anti-missive operation functions, and can be combined with external electronic communications and computer systems to achieve efficient and accurate integration. Gate and open gate operation, and built-in anti-hop relay circuit.
It improves the operating efficiency, reliability and safety of the power system, reduces the risks and errors of manual operation, and realizes real-time status monitoring and accurate switching control.
Smart Images
Figure CN222320028U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of high-voltage switch equipment, and in particular relates to an intelligent high-voltage switch control device. Background Art
[0002] With the development of the power system and the increasing requirements for safety and reliability, the traditional high-voltage switch control method has some limitations; due to operator errors or unclear operation signs, the switch may be opened and closed incorrectly, causing system failures. The opening and closing time may not meet the requirements, affecting the coordination of the system and the accuracy of the protection action. Electric operation power supply problems: such as unstable power supply, power supply failure, etc., affect the normal operation of electric operation. Remote control signal transmission failure: When remote operation is adopted, signal transmission may be delayed, lost or erroneous, resulting in abnormal switch operation. Excessive or small operating force: may affect the reliability and safety of operation. Lack of status monitoring feedback: It is not possible to accurately understand the status of the switch after operation in real time, which is not conducive to timely detection of potential problems. Utility Model Content
[0003] The purpose of the utility model is to improve the deficiencies of the existing technology and provide an intelligent high-voltage switch control device with efficient, accurate and intelligent control functions, improve the operating efficiency of the power system, high reliability and safety, and reduce the risks and errors of manual operation.
[0004] The purpose of the utility model is achieved in this way. An intelligent high-voltage switch control device includes a switch body and a button and an indicator light arranged on the switch body. The device is characterized in that a wiring terminal is arranged on the switch body, the wiring terminal includes terminals 1-18, the wiring terminal includes terminals 1-18, the buttons include a selection button SA, a power button S, a closing button SF, an opening button SS and a remote / local knob SA1, the indicator light includes a closing indication HR, an opening indication HG, and an energy storage indication HY, a control circuit is arranged inside the switch body, and the control circuit is that one end of the power button S is connected to terminal 1, the other end of the power button S is connected to terminal 3, the normally closed auxiliary contact of the trip relay K, and the energy storage relay CN The coil of the closing position feedback relay H, the coil and auxiliary contacts of the closing position feedback relay H, the coil of the opening position feedback relay F, the closing indication HR, the opening indication HG, the energy storage indication HY, the coil of the closing relay HQ, the coil of the opening relay TQ and one end of terminal 17. Terminal 2 is connected to terminals 4, 7, 11, the remote / local knob SA1 and one end of the coil of the tripping relay K to provide the power required by the switch; terminal 5 is connected to the common end of the first group of contacts of the selection button SA, the normally open contacts of the first group of the selection button SA are connected to one end of the closing button SF, the normally closed contacts of the first group of the selection button SA are connected to one end of the auxiliary contacts of the closing relay HQ, and the other end of the closing button SF is connected to the closing relay H The other end of the Q auxiliary contact is connected in parallel with the auxiliary contact of the opening position feedback relay F, and the other end of the auxiliary contact of the opening position feedback relay F is connected to one end of the auxiliary contact of the energy storage relay CN, and one end of the auxiliary contact of the energy storage relay CN is connected to the other end of the normally closed auxiliary contact of the trip relay K, completing the closing control circuit; Terminal 6 is connected to the common end of the second group of contacts of the selection button SA, the normally open contact of the second group of the selection button SA is connected to one end of the opening button SS, the normally closed contact of the second group of the selection button SA is connected to one end of the auxiliary contact of the opening relay TQ, and the other end of the opening button SS is connected in parallel with the other end of the auxiliary contact of the opening relay TQ and connected to the auxiliary contact of the closing position feedback relay H to complete The opening control circuit; Terminal 7 is the common end of the closing and opening circuit; Terminal 8 is connected to the coil of the closing position feedback relay H of the switch body and the closing indicator light HR, Terminal 9 is connected to the coil of the opening position feedback relay F of the switch body and the opening indicator light HG, Terminal 10 is connected to the switch energy storage position feedback and the energy storage indicator light HY, Terminal 11 is the common end of the status indication circuit; Terminal 12 is connected to the other end of the coil of the closing relay HQ, Terminal 13 is connected to the other end of the coil of the opening relay TQ, Terminal 14 is connected to the other end of the remote / local knob SA1, Terminals 15 and 16 are respectively connected to the two ends of the second group of contacts of the remote / local knob SA1 for remote position feedback, and Terminal 18 is connected to the other end of the coil of the tripping relay K;The two ends of the remote / local 9 selection button are internally connected to control the power supply of the internal relay coil of the switch, which is used to switch between local control and remote control. ;
[0005] Compared with the prior art, the utility model has the following significant features and positive effects: the utility model can be combined with external electronic communications and computer control systems, can realize local closing and opening operations of high-voltage switches, has various status indications, is maintenance-free, has a protection level of IP65, and has double breaks to prevent misoperation; the utility model cooperates with the circuit breaker to realize the electric closing and opening operations of the switch; various status indications of the switch, the status indications of the switch can be defined as needed, for example: red indicates that the switch is in the closed state, green indicates that the switch is in the open state, and yellow indicates that the switch is in the energy-storing state; cooperates with the spring operating mechanism, and has an anti-jump function; a built-in holding relay operation circuit is effectively coordinated with the long-term rotation of the circuit breaker energy storage motor; cooperates with the external terminal DTU or FTU to realize remote and local conversion operations; all components are fully sealed, have strong weather resistance, and good anti-condensation performance. BRIEF DESCRIPTION OF THE DRAWINGS
[0006] Figure 1 It is a structural schematic diagram of the utility model.
[0007] Figure 2 for Figure 1 Schematic diagram of the rear structure.
[0008] Figure 3 The utility model is a wiring schematic diagram of the control circuit.
[0009] Figure 4 It is a structural schematic diagram of the utility model in use state.
[0010] In the figure: 1. Switch body, 2. Selection button SA, 3. Power supply S, 4. Closing button SF, 5. Opening button SS, 6. Closing indication HR, 7. Opening indication HG, 8. Energy storage indication HY, 9. Remote / local SA1, 10. Wiring terminals. DETAILED DESCRIPTION
[0011] An intelligent high voltage switch control device, referring to Figure 1 , Figure 2 , Figure 3, including a switch body 1, buttons and indicator lights are arranged on the front panel of the switch body 1, a wiring terminal 10 is arranged on the back of the switch body 1, the buttons include a selection button 2, a power supply 3, a closing button 4, an opening button 5 and a remote / local knob 9, the indicator lights include a closing indication 6, an opening indication 7, and an energy storage indication 8, a control circuit is arranged inside the switch body 1, the wiring terminals include terminals 1-18, the buttons include a selection button SA, a power button S, a closing button SF, an opening button SS and a remote / local knob SA1, the indicator lights include a closing indication HR, an opening indication HG, and an energy storage indication HY, and a control circuit is arranged inside the switch body The control circuit is that one end of the power button S is connected to terminal 1, the other end of the power button S is connected to terminal 3, the normally closed auxiliary contact of the tripping relay K, the coil of the energy storage relay CN, the coil and auxiliary contact of the closing position feedback relay H, the coil of the opening position feedback relay F, the closing indication HR, the opening indication HG, the energy storage indication HY, the coil of the closing relay HQ, the coil of the opening relay TQ and one end of terminal 17, terminal 2 is connected to terminal 4, terminal 7, terminal 11, remote / local knob SA1 and one end of the coil of the tripping relay K to provide the power required by the switch; terminal 5 is connected to the common end of the first group of contacts of the selection button SA The normally open contact of the first group of selection button SA is connected to one end of the closing button SF, the normally closed contact of the first group of selection button SA is connected to one end of the auxiliary contact of the closing relay HQ, the other end of the closing button SF is connected in parallel with the other end of the auxiliary contact of the closing relay HQ and then connected to the auxiliary contact of the opening position feedback relay F, the other end of the auxiliary contact of the opening position feedback relay F is connected to one end of the auxiliary contact of the energy storage relay CN, the auxiliary contact of one end of the energy storage relay CN is connected to the other end of the normally closed auxiliary contact of the tripping relay K, completing the closing control circuit; terminal 6 is connected to the common end of the second group of contacts of the selection button SA, the normally closed contact of the second group of selection button SA is connected to the common end of the normally closed contact of the second group of The open contact is connected to one end of the opening button SS, the normally closed contact of the second group of the selection button SA is connected to one end of the auxiliary contact of the opening relay TQ, and the other end of the opening button SS is connected in parallel with the other end of the auxiliary contact of the opening relay TQ and then connected to the auxiliary contact of the closing position feedback relay H to complete the opening control circuit; Terminal 7 is the common end of the closing and opening circuit; Terminal 8 is connected to the coil of the closing position feedback relay H of the switch body and the closing indicator light HR, Terminal 9 is connected to the coil of the opening position feedback relay F of the switch body and the opening indicator light HG, Terminal 10 is connected to the switch energy storage position feedback and the energy storage indicator light HY, and Terminal 11 is the common end of the status indication circuit;Terminal 12 is connected to the other end of the coil of the gate relay HQ, terminal 13 is connected to the other end of the coil of the opening relay TQ, terminal 14 is connected to the other end of the remote / local knob SA1, terminals 15 and 16 are respectively connected to the two ends of the second group of contacts of the remote / local knob SA1 for remote position feedback, and terminal 18 is connected to the other end of the coil of the trip relay K; the two ends of the remote / local 9 selection button are internally connected to control the power supply of the internal relay coil of the switch, which is used for switching between local control and remote control. ;
[0012] Reference Figure 4 Terminals 1 and 2 are connected according to the required voltage and the corresponding voltage level; other terminals are connected to the executive circuit breaker, specifically: terminal 3 is connected to the positive end of the switch energy storage motor coil, and terminal 4 is connected to the negative end of the switch energy storage motor coil; terminal 5 is connected to the positive end of the closing coil inside the executive circuit breaker, terminal 6 is connected to the positive end of the opening coil inside the executive circuit breaker, terminal 7 is the common terminal, connected to the negative end of the opening / closing coil of the executive circuit breaker; terminal 8 is connected to the closing position feedback inside the executive circuit breaker, terminal 9 is connected to the opening position feedback inside the executive circuit breaker, terminal 10 is connected to the energy storage position feedback inside the executive circuit breaker, and terminal 11 is the common terminal; terminal 12 receives the remote closing signal, terminal 13 receives the remote opening signal, and terminal 14 is the common terminal; terminals 15 and 16 are remote position feedback, providing position feedback for the external terminal DTU or FTU, and terminals 17 and 18 are connected to the switch anti-tripping circuit.
[0013] When using the utility model, select one of the rated voltages: DC24V, DC48V, DC110V, DC220V, AC220 according to needs, connect terminal 1 and terminal 2 according to the corresponding voltage level, press the power button 3 to turn on the power; various status indicators of the switch, red indicates that the switch is in the closed state, green indicates that the switch is in the open state, and yellow indicates that the switch is in the energy stored state.
[0014] The utility model cooperates with the circuit breaker to realize the electric operation of closing and opening of the switch, as follows:
[0015] 1. Electric opening operation: When the switch is in the closed state, press and hold the selection button 2 and the opening button 5 at the same time, then the utility model outputs the opening signal to the No. 6 terminal and the No. 7 terminal, the circuit breaker body automatically opens, and at the same time feeds back the opening signal to the No. 11 terminal and the No. 9 terminal, lighting the opening indication 7.
[0016] 2. Electric closing operation: When the switch is in the open state, the energy storage is in the stored state, and the energy storage indication 8 is yellow and on, press and hold the selection button 2 and the closing button 4 at the same time, then the utility model outputs a closing signal to terminals 5 and 7, the switch body automatically closes, and at the same time feeds back the closing signal to terminals 11 and 8, and lights up the closing indication 6.
[0017] The utility model cooperates with the spring operating mechanism of the circuit breaker, and the tripping signal is sent to the terminals 17 and 18, which has an anti-tripping function; the built-in holding relay operation circuit effectively cooperates with the long-term rotation of the circuit breaker energy storage motor. After the switch is closed, if the tripping signal still exists due to a fault or the like, the anti-tripping relay will act and self-hold, cutting off the closing circuit to prevent re-closing until the fault signal disappears and the anti-tripping relay is manually reset. Accurate anti-tripping control may be achieved through electronic circuits and logical judgment; in cooperation with the external terminal DTU or FTU, the knob switch selects the remote position by default, the terminals 14 and 12 receive the external closing signal, the terminals 5 and 7 send the closing command, and the remote closing is realized, the terminals 14 and 13 receive the external opening signal, the terminals 5 and 6 send the opening command, and the remote opening can be realized.
[0018] All parts of the utility model are fully sealed, strong in weather resistance and good in anti-condensation performance.
Claims
1. An intelligent high-voltage switch control device, comprising a switch body and a button and an indicator light arranged on the switch body, characterized in that The switch body is provided with wiring terminals, the wiring terminals include terminals 1-18, the buttons include a selection button SA, a power button S, a closing button SF, an opening button SS and a remote / local knob SA1, the indicator lights include a closing indication HR, an opening indication HG, and an energy storage indication HY, and a control circuit is provided inside the switch body, the control circuit is that one end of the power button S is connected to terminal 1, the other end of the power button S is connected to terminal 3, the normally closed auxiliary contact of the tripping relay K, the coil of the energy storage relay CN, the coil and auxiliary contact of the closing position feedback relay H, the coil of the opening position feedback relay F, the closing indication HR, the opening indication HG, the energy storage indication HY, the closing relay HQ The coil of the tripping relay TQ and one end of terminal 17, terminal 2 is connected to terminals 4, 7, 11, remote / local knob SA1 and one end of the coil of the tripping relay K to provide the power required for the switch; terminal 5 is connected to the common end of the first group of contacts of the selection button SA, the normally open contacts of the first group of the selection button SA are connected to one end of the closing button SF, the normally closed contacts of the first group of the selection button SA are connected to one end of the auxiliary contact of the closing relay HQ, the other end of the closing button SF is connected in parallel with the other end of the auxiliary contact of the closing relay HQ, and then connected to the auxiliary contact of the tripping position feedback relay F, the other end of the auxiliary contact of the tripping position feedback relay F is connected to one end of the energy storage relay CN. The auxiliary contact at one end of the energy storage relay CN is connected to the other end of the normally closed auxiliary contact of the trip relay K to complete the closing control circuit; Terminal 6 is connected to the common end of the second group of contacts of the selection button SA, the normally open contact of the second group of the selection button SA is connected to one end of the opening button SS, the normally closed contact of the second group of the selection button SA is connected to one end of the auxiliary contact of the opening relay TQ, the other end of the opening button SS is connected in parallel with the other end of the auxiliary contact of the opening relay TQ and then connected to the auxiliary contact of the closing position feedback relay H to complete the opening control circuit; Terminal 7 is the common end of the closing and opening circuit; Terminal 8 is connected to the coil of the closing position feedback relay H of the switch body and the closing indicator light HR, Terminal 9 is connected to the coil of the switch body's opening position feedback relay F and the opening indicator light HG, terminal 10 is connected to the switch energy storage position feedback and the energy storage indicator light HY, terminal 11 is the common end of the status indication circuit; terminal 12 is connected to the other end of the coil of the closing relay HQ, terminal 13 is connected to the other end of the coil of the opening relay TQ, terminal 14 is connected to the other end of the remote / local knob SA1, terminals 15 and 16 are respectively connected to the two ends of the second group of contacts of the remote / local knob SA1 for remote position feedback, and terminal 18 is connected to the other end of the coil of the tripping relay K; the two ends of the remote / local 9 selection button are internally connected to control the power supply of the internal relay coil of the switch, which is used for switching between local control and remote control.