Compression detection closing wiring circuit
By introducing intelligent controller IC1 and VCU in the voltage-closing circuit, the problem that traditional circuits cannot realize complex control logic and intelligent judgment is solved, and accurate judgment of power supply status and circuit High reliability and high safety.
Patent Information
- Application Number
- CN202421168001.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-27
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-27
AI Technical Summary
The traditional voltage-closing circuit cannot achieve complex control logic and intelligent judgment, and it is difficult to adapt to the demands of modern power systems for high reliability and high precision control, resulting in incorrect closing operations that may occur in the absence of voltage or abnormal situations. , causing equipment damage or safety accidents.
The intelligent controller IC1 is used as the core of the control circuit, combined with the circuit breaker circuit, tripping circuit, closing circuit and detection module to realize complex control logic and intelligent judgment, and the power supply voltage is monitored in real time by detecting the voltage closing module VCU. Provides double security guarantees.
Accurate judgment of the power supply status is achieved, and erroneous closing operation is avoided in the absence of voltage or abnormal conditions, greatly improving the reliability and safety of the circuit.
Smart Images
Figure CN222484378U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of a pressure-closed switch detection system, in particular to a pressure-closed switch detection system wiring circuit. Background Art
[0002] In the power system, the voltage-detecting closing wiring circuit is an important safety control device, which is used to ensure that the circuit breaker is closed when there is voltage in the power supply, so as to avoid erroneous closing operation in the absence of voltage or abnormal conditions, which may cause equipment damage or safety accidents. The traditional voltage-detecting closing wiring circuit usually uses a simple logic circuit or relay to realize the control function. This control method cannot realize complex control logic and intelligent judgment, and it is difficult to adapt to the modern power system's requirements for high reliability and high precision control. Therefore, in a complex power system, the traditional voltage-detecting closing wiring circuit may not be able to accurately judge the power supply status, resulting in erroneous closing operation in the absence of voltage or abnormal conditions, thereby causing equipment damage or safety accidents. Summary of the invention
[0003] In view of this, the purpose of the utility model is to provide a pressure-detecting closing circuit breaker wiring circuit with high safety and high reliability.
[0004] In order to achieve the above purpose, the utility model adopts such a pressure-detecting closing wiring circuit, including a power supply module, a circuit breaker control module, an indication module, and a detection module. The output end of the circuit breaker control module is connected to the control input end of the indication module and the detection module, and the input end of the power supply module is externally connected to the live wire L1 and the neutral wire N1. The power supply module provides working voltage for the circuit breaker control module, the indication module, and the detection module.
[0005] The utility model is further configured that the circuit breaker control module includes a control circuit, a circuit breaker circuit, a tripping circuit, and a closing circuit. The output end of the control circuit is connected to the control input end of the indication module, the tripping circuit, the closing circuit, and the detection module. The output end of the tripping circuit is connected to the control end of the circuit breaker circuit, the output end of the closing circuit is connected to the operating end of the circuit breaker circuit, and the output end of the detection module is connected to the control input end of the tripping circuit.
[0006] The utility model is further configured that the control circuit is an intelligent controller IC1.
[0007] The utility model is further configured that the circuit breaker circuit is a circuit breaker QF, the main incoming line end of the circuit breaker QF is connected to the ABC three-phase electricity, the main outgoing line end of the circuit breaker QF is connected to the load, and the control end of the circuit breaker QF is connected to the intelligent controller IC1.
[0008] The utility model is further arranged that the tripping circuit is composed of an undervoltage release Q and a shunt release F.
[0009] The utility model is further arranged that the closing circuit is composed of a closing electromagnet X, an electric operating mechanism M, and a travel switch SA.
[0010] The present utility model is further configured such that the indication module is composed of a fault indicator light HL1 and an energy storage indicator light HL2, wherein the input signal end of the fault indicator light HL1 is connected to the fifth trip alarm end of the intelligent controller IC1, and the input signal end of the energy storage indicator light HL2 is connected to the thirty-fifth energy storage end of the travel switch SA.
[0011] The utility model is further configured to detect the pressure closing wiring circuit and also includes a shunt button SB1, a closing button SB2, and a control button SB3, and the input signal ends of the shunt button SB1, the closing button SB2, and the control button SB3 are respectively connected to the contact ends of the circuit breaker control module.
[0012] The utility model is further configured that the power supply module is composed of a fuse FU1 and a fuse FU2.
[0013] The utility model is further configured that the detection module is a pressure-closed switch detection module VCU.
[0014] Compared with the prior art, the beneficial effect of the utility model is that by introducing the intelligent controller IC1 as the core of the control circuit, complex control logic and intelligent judgment are realized, so that the power supply status can be accurately judged, and the wrong closing operation in the case of voltage loss or abnormality is avoided, which greatly improves the reliability and safety of the circuit. The introduction of the voltage-detecting closing module VCU can monitor the voltage of the power supply in real time, providing double safety protection for the circuit. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a circuit principle diagram of an embodiment of the utility model. DETAILED DESCRIPTION
[0016] like Figure 1As shown, an embodiment of the utility model provides a detection pressure closing wiring circuit, including a power supply module, a circuit breaker control module, an indication module, and a detection module. The output end of the circuit breaker control module is connected to the control input end of the indication module and the detection module. The input end of the power supply module is externally connected to the live wire L1 and the neutral wire N1. The power supply module provides working voltage for the circuit breaker control module, the indication module, and the detection module. The detection module is a detection pressure closing module VCU. Specifically, the circuit breaker control module includes a control circuit, a circuit breaker circuit, a tripping circuit, and a closing circuit. The output end of the control circuit is connected to the control input end of the indication module, the tripping circuit, the closing circuit, and the detection module. The output end of the tripping circuit is internally connected to the control end of the circuit breaker circuit. The output end of the closing circuit is internally connected to the operating end of the circuit breaker circuit, the output end of the detection module is connected to the control input end of the tripping circuit, the control circuit is an intelligent controller IC1, specifically, the circuit breaker circuit is a circuit breaker QF, the tripping circuit is composed of an undervoltage release Q and a shunt release F, the closing circuit is composed of a closing electromagnet X, an electric operating mechanism M, and a travel switch SA, the indication module is composed of a fault indicator light HL1 and an energy storage indicator light HL2, the pressure-detecting closing wiring circuit also includes a shunt button SB1, a closing button SB2, and a control button SB3, the power supply module is composed of a fuse FU1 and a fuse FU2, specifically, one end of the fuse FU1 is connected to the live wire L1, and the other end of the fuse FU1 is connected to the live wire L1, respectively. The second positive power supply terminal and the fourth common terminal of the intelligent controller IC1, the 30th contact terminal of the shunt release F, the 32nd contact terminal of the closing electromagnet X, the 34th contact terminal of the travel switch SA, and the IN1 pin terminal of the pressure-closing module VCU are connected. One end of the fuse FU2 is connected to the neutral line N1, and the other end of the fuse FU2 is respectively connected to the first negative power supply terminal of the intelligent controller IC1, the signal receiving end of the fault indicator HL1, the signal receiving end of the energy storage indicator HL2, and the IN2 pin terminal of the pressure-closing module VCU. The input signal end of the fault indicator HL1 is connected to the fifth trip alarm end of the intelligent controller IC1, and the input signal end of the shunt button SB1 is connected to the 29th contact terminal of the shunt release F. The input signal end of the closing button SB2 is connected to the thirty-first contact end of the closing electromagnet X, the input signal end of the control button SB3 is connected to the thirty-third contact end of the electric operating mechanism M, the input signal end of the energy storage indicator light HL2 is connected to the thirty-fifth contact end of the travel switch SA, the eighth circuit breaker state monitoring end of the intelligent controller IC1 is connected to the eighth pin end of the pressure-closing module VCU, the ninth circuit breaker state monitoring end of the intelligent controller IC1 is connected to the ninth pin end of the pressure-closing module VCU, the twenty-seventh contact end of the undervoltage release Q is connected to the twenty-seventh pin end of the pressure-closing module VCU, and the twenty-eighth contact end of the undervoltage release Q is connected to the twenty-eighth pin end of the pressure-closing module VCU.The 31st pin A and the 31st pin B of the pressure-closing module VCU are connected in parallel with a closing button SB2, the main incoming line of the circuit breaker QF is connected to the ABC three-phase power, the main outgoing line of the circuit breaker QF is connected to the load, and the control end of the circuit breaker QF is connected to the intelligent controller IC1, which also includes a neutral line N2, and the neutral line N2 is grounded.
[0017] Of course, in addition to the above-mentioned embodiments, the utility model may also have many other embodiments. Without departing from the essential technical solution content of the utility model, technical personnel familiar with the field may make various corresponding changes and deformations according to the utility model, and these changes or deformations are equivalent to the technical solution in this patent. Then these corresponding changes and deformations should all fall within the scope of protection of the claims attached to the utility model, and the utility model creation is in line with the applicant's actual R&D capabilities and resource conditions.
Claims
1. A circuit for detecting a pressure-closed circuit, characterized in that: It includes a power supply module, a circuit breaker control module, an indication module, and a detection module. The output end of the circuit breaker control module is connected to the control input end of the indication module and the detection module. The input end of the power supply module is externally connected to the live wire L1 and the neutral wire N1. The power supply module provides working voltage for the circuit breaker control module, the indication module, and the detection module.
2. The voltage detection closing circuit according to claim 1 is characterized in that: The circuit breaker control module comprises a control circuit, a circuit breaker circuit, a tripping circuit and a closing circuit. The output end of the control circuit is connected to the control input end of the indication module, the tripping circuit, the closing circuit and the detection module. The output end of the tripping circuit is connected to the control end of the circuit breaker circuit, the output end of the closing circuit is connected to the operating end of the circuit breaker circuit, and the output end of the detection module is connected to the control input end of the tripping circuit.
3. The voltage detection closing circuit according to claim 2 is characterized in that: The control circuit is an intelligent controller IC1.
4. The voltage detection closing circuit according to claim 2 is characterized in that: The circuit breaker circuit is a circuit breaker QF, the main incoming line end of the circuit breaker QF is connected to ABC three-phase electricity, the main outgoing line end of the circuit breaker QF is connected to the load, and the control end of the circuit breaker QF is connected to the intelligent controller IC1.
5. The voltage detection closing circuit according to claim 2 is characterized in that: The tripping circuit is composed of an undervoltage release Q and a shunt release F.
6. The voltage detection closing circuit according to claim 2, characterized in that: The closing circuit is composed of a closing electromagnet X, an electric operating mechanism M, and a travel switch SA.
7. The voltage detection closing circuit according to claim 6, characterized in that: The indication module is composed of a fault indicator light HL1 and an energy storage indicator light HL2. The input signal end of the fault indicator light HL1 is connected to the fifth trip alarm end of the intelligent controller IC1, and the input signal end of the energy storage indicator light HL2 is connected to the thirty-fifth energy storage end of the travel switch SA.
8. The voltage detection closing circuit according to claim 2 is characterized in that: The voltage-detecting closing wiring circuit also includes a shunt button SB1, a closing button SB2, and a control button SB3. The input signal ends of the shunt button SB1, the closing button SB2, and the control button SB3 are respectively connected to the contact ends of the circuit breaker control module.
9. The voltage detection closing circuit according to claim 1, characterized in that: The power module is composed of a fuse FU1 and a fuse FU2.
10. The voltage detection closing circuit according to claim 1, characterized in that: The detection module is a pressure-closing detection module VCU.