CN212572069U - Direct control type and optical fiber type combined contact net isolating switch control circuit - Google Patents

Direct control type and optical fiber type combined contact net isolating switch control circuit Download PDF

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Publication number
CN212572069U
CN212572069U CN202021100114.0U CN202021100114U CN212572069U CN 212572069 U CN212572069 U CN 212572069U CN 202021100114 U CN202021100114 U CN 202021100114U CN 212572069 U CN212572069 U CN 212572069U
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resistor
diode
triode
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洪文杰
周文勇
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Sun Nanjing Automatic Equipments Co ltd
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Sun Nanjing Automatic Equipments Co ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02B90/20—Smart grids as enabling technology in buildings sector
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
    • Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
    • Y04S40/124—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment using wired telecommunication networks or data transmission busses

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Abstract

The utility model discloses a contact net isolator control circuit that direct control formula and optic fibre formula combine, include: the low-voltage power supply module converts the acquired mains voltage into equipment control low voltage; the fault alarm module transmits a voltage value through the diagnosis power supply control module and the optical fiber receiving module; the optical fiber receiving module adjusts the received optical fiber signals, and the capacitor C5 is grounded to filter the high-frequency signals of the transmission signals; the power supply control module and the optical fiber receiving module form a direct control type and optical fiber type switch circuit, and an interlocking assembly is formed by a relay K1 and a normally open button SB 1; the closed module and the isolation module form a contact net isolation switch circuit, and the positive and negative rotation of the external motion assembly is controlled to realize the isolation effect by changing the output direction of voltage; the switching of the switch control is realized by combining a direct control type and an optical fiber type.

Description

Direct control type and optical fiber type combined contact net isolating switch control circuit
Technical Field
The utility model relates to an isolator circuit, especially a contact net isolator control circuit that directly accuse formula and optic fibre formula combine.
Background
The isolating switch is a switching device which is mainly used for isolating a power supply and switching back and is used for connecting and cutting off a small current circuit and has no arc extinguishing function; when the isolating switch is in the separated position, the contacts have insulation distance meeting the specified requirements and obvious disconnection marks; a switching device capable of carrying current in normal loop conditions and current in abnormal conditions (e.g., short circuit) for a specified period of time when in the closed position.
The existing isolating switch circuit adopts a single control method, can not realize the control effect of combining remote control and local control, and can not control the sudden change of the output voltage when converting the acquired mains voltage into low voltage; high-frequency signals in the transmission signals cannot be filtered when the optical fiber transmission control instruction is acquired.
SUMMERY OF THE UTILITY MODEL
Utility model purpose: the utility model provides a contact net isolator control circuit that directly accuse formula and optic fibre formula combine to solve the above-mentioned problem that prior art exists.
The technical scheme is as follows: the utility model provides a contact net isolator control circuit that directly accuse formula and optic fibre formula combine, includes: the low-voltage power supply module converts the acquired mains voltage into equipment control low voltage, and the capacitor C3 prevents voltage mutation and the series resistor R3 plays a damping role; the fault alarm module controls the operation of the alarm system by diagnosing the transmission voltage values of the power supply control module and the optical fiber receiving module and receiving the conducting electric signals of each branch diode by the triode Q10; the optical fiber receiving module adjusts the received optical fiber signals, and the capacitor C5 is grounded to filter the high-frequency signals of the transmission signals; the power supply control module and the optical fiber receiving module form a direct control type and optical fiber type switch circuit, and an interlocking assembly is formed by a relay K1 and a normally open button SB 1; the closed module and the isolation module form a contact net isolation switch circuit, and the positive and negative rotation of the external motion assembly is controlled to realize the isolation effect by changing the output direction of voltage; the switching of the switch control is realized by combining a direct control type and an optical fiber type.
In a further embodiment, the low-voltage power supply module comprises a bridge type zener diode TR1, a resistor R1, a capacitor C1, a capacitor C3, a resistor R3, a resistor R4, a transistor Q1, a diode D1, a capacitor C2, a resistor R2, a transformer T1, a diode D2, a diode D3 and a capacitor C4, wherein a pin 5 and a pin 6 of the bridge type zener diode TR1 are both connected with an alternating current AC positive terminal; the pin 3 and the pin 4 of the bridge type voltage stabilizing diode TR1 are both connected with the negative end of alternating current AC; the pin 1 of the bridge type voltage stabilizing diode TR1 is respectively connected with a resistor R1, a capacitor C1, a capacitor C2, a resistor R2 and a pin 3 of a transformer T1; pin 2 of the bridge type voltage stabilizing diode TR1 is connected with one end of a resistor R4; the other end of the resistor R4 is respectively connected with an emitter terminal of the triode Q1 and a ground wire GND; the base terminal of the triode Q1 is respectively connected with the other end of the resistor R1 and one end of the capacitor C3; the other end of the capacitor C3 is connected with one end of a resistor R3; the other end of the resistor R3 is connected with a pin 1 of a transformer T1; the collector terminal of the triode Q1 is respectively connected with a pin 4 of a transformer T1 and the positive terminal of a diode D1; the negative end of the diode D1 is respectively connected with the other end of the resistor R2 and the other end of the capacitor C2; the pin 7 of the transformer T1 is connected with the positive end of a diode D2; the negative end of the diode D2 is connected with the negative end of the capacitor C4; the positive end of the capacitor C4 is connected with the negative end of the diode D3; the positive end of the diode D3 is connected with a pin 5 of a transformer T1; and the pin 6 of the transformer T1 is connected with the ground wire GND.
In a further embodiment, the fault alarm module comprises a triode Q10, a resistor R16, a resistor R17, a resistor R18, a lamp LED1, a diode D9, a diode D8, and an alarm LS1, wherein an emitter terminal of the triode Q10 is respectively connected with a cathode terminal of a diode D2 and a cathode terminal of a capacitor C4; the base end of the triode Q10 is respectively connected with one end of a resistor R16 and the negative end of a diode D9; the positive end of the diode D9 is connected with the positive end of the diode D8; the collector terminal of the triode Q10 is respectively connected with one end of a resistor R17 and one end of a resistor R16; the other end of the resistor R17 is connected with one end of an alarm LS 1; the other end of the resistor R18 is connected with the positive end of the lamp LED 1; and the negative electrode end of the lamp LED1 is respectively connected with the other end of the alarm LS1 and the ground wire GND.
In a further embodiment, the fiber receiving module includes a diode D10, a terminal row J1, a resistor R5, a diode D4, a capacitor C5, a resistor R6, a transistor Q2, a resistor R7, a resistor R8, a resistor R9, and a lamp LED2, wherein one end of the resistor R5 is connected to pin 1 of the terminal row J1, one end of the resistor R7, and one end of the resistor R9, respectively; the other end of the resistor R5 is respectively connected with the positive end of a diode D4 and a pin 2 of a terminal row J1; the negative end of the diode D4 is respectively connected with one end of a resistor R6 and the negative end of a capacitor C5; the positive end of the capacitor C5 is respectively connected with a pin 3 of a terminal block J1, an emitter end of a triode Q2, a negative end of a lamp LED2 and a ground wire GND; the other end of the resistor R6 is respectively connected with a base terminal of a triode Q2 and a positive terminal of a diode D10; the negative end of the diode D10 is connected with the other end of the resistor R16; the collector terminal of the triode Q2 is respectively connected with one end of a resistor R8 and the other end of a resistor R7; and the positive end of the lamp LED2 is connected with the other end of the resistor R9.
In a further embodiment, the power control module comprises a switch U1, a power supply B1, a relay K1, a normally open contact S1, a resistor R19, a normally open button SB1, a normally closed button SB1-1, a normally closed contact SI-1 and a diode D7, wherein a pin 2 of the switch U1 is connected with the other end of the resistor R8; pin 3 of the switch U1 is respectively connected with one end of a resistor R5, pin 1 of a terminal row J1, one end of a resistor R7, one end of a resistor R9 and the positive end of a power supply B1 are respectively connected with one end of a resistor R19, one end of a normally open button SB1, the emitter end of a triode Q10, the negative end of a diode D2 and the negative end of a capacitor C4; pin 1 of the switch U1 is connected with one end of a relay K1; the negative end of the power supply B1 is respectively connected with the other end of the relay K1, the positive end of the capacitor C5, a pin 3 of a terminal block J1, an emitter end of a triode Q2, the negative end of a lamp LED2 and a ground wire GND; the other end of the resistor R19 is connected with one end of a normally open contact S1; the other end of the normally open contact S1 is connected with one end of a normally closed button SB 1-1; the other end of the normally closed button SB1-1 is connected with the positive end of a diode D7; the other end of the normally open button SB1 is connected with one end of a normally closed contact S1-1; the other end of the normally closed contact S1-1 is respectively connected with the positive end of a diode D9 and the positive end of a diode D8; the negative terminal of the diode D7 is connected with the negative terminal of the diode D8.
In a further embodiment, the closing module comprises a trigger switch SB2, a resistor R10, a transistor Q3, a resistor R15, a resistor R11, a resistor R12, a transistor Q5, a transistor Q7, and a diode Q5, wherein pin 1 of the trigger switch SB2 is respectively connected with the negative terminals of the diodes D7 and D8; pin 2 of the trigger switch SB2 is connected with one end of a resistor R10; pin 3 of the trigger switch SB2 is connected with one end of a resistor R15; the other end of the resistor R10 is connected with the base terminal of a triode Q3; the collector terminal of the triode Q3 is respectively connected with one end of a resistor R12 and one end of a resistor R11; the other end of the resistor R11 is respectively connected with an emitter terminal of a triode Q5 and a cathode terminal of a diode D5; the other end of the resistor R12 is respectively connected with a base electrode terminal of a triode Q5 and a base electrode terminal of a triode Q7; the emitter terminal of the triode Q3 is respectively connected with the emitter terminal of the triode Q7, the positive terminal of the diode D5 and the ground wire GND; and the collector terminal of the triode Q5 is respectively connected with the collector terminal of the triode Q7 and the output terminal L1.
In a further embodiment, the isolation module includes a diode D6, a transistor Q7, a transistor Q8, a resistor R13, a resistor R14, and a transistor Q9, wherein an emitter terminal of the transistor Q7 is connected to a cathode terminal of the diode D6, one end of the resistor R14, the other end of the resistor R11, an emitter terminal of the transistor Q5, and a cathode terminal of the diode D5, respectively; the other end of the resistor R14 is respectively connected with one end of a resistor R13 and a collector end of a triode Q9; the emitter terminal of the triode Q9 is respectively connected with the emitter terminal of the triode Q8, the anode terminal of the diode D6, the emitter terminal of the triode Q3, the emitter terminal of the triode Q7, the anode terminal of the diode D5 and the ground wire GND; the base end of the triode Q9 is connected with the other end of the resistor R15; the base end of the triode Q8 is respectively connected with the base end of the triode Q7 and the other end of the resistor R13; and the collector terminal of the triode Q8 is respectively connected with the collector terminal of the triode Q7 and the output terminal L2.
In a further embodiment, the diode D3, the diode D4, and the diode D5 are all zener diodes; the types of the triode Q1 and the triode Q5 are PNP; the model of the triode Q2, the model of the triode Q3 and the model of the triode Q4 are NPN; the capacitor C3, the capacitor C6 and the capacitor C7 are electrolytic capacitors.
Has the advantages that: the utility model combines the direct control type and the optical fiber type to form an isolating switch circuit, thereby realizing the remote control effect and the local control effect of the isolating switch circuit, the direct control type adopts the mode of a normally open button to start the contact net for isolation, the optical fiber type controls the closing of a switch U1 by acquiring a remote transmission instruction, so that the relay K1 operates to adsorb the closing of the normally open contact S1, thereby realizing the isolation of the contact net, in order to prevent the direct control type and the optical fiber type control instruction from being superposed to cause the condition of equipment damage, thereby adopting the interlocking mode in the control direction, the SB1 closing normally closed button SB1-1 is disconnected when the direct control type operates, the optical fiber type control circuit is blocked to be conducted, the relay K1 cuts off the conduction of the direct control type circuit when the electric adsorption normally open contact S1 is closed, the acquired commercial power voltage can not control the sudden change of the output voltage when being converted into the low voltage, the sudden change of the voltage is prevented by using a capacitor C3 in the low-voltage power supply module, and the voltage transmission is suddenly changed through a series resistor R3; when the optical fiber transmission control instruction is obtained, the high-frequency signal in the transmission signal cannot be filtered, and the high-frequency signal in the transmission signal is filtered by using a grounding mode of a capacitor C5 at the optical fiber signal receiving end.
Drawings
Fig. 1 is a circuit diagram of the module of the present invention.
Fig. 2 is a circuit diagram of the low voltage power supply module of the present invention.
Fig. 3 is the circuit diagram of the fault alarm module of the present invention.
Fig. 4 is a circuit diagram of the optical fiber receiving module of the present invention.
Fig. 5 is a circuit diagram of the power control module of the present invention.
Detailed Description
Referring to fig. 1 to 5, a direct control type and optical fiber type combined contact net isolating switch control circuit includes: the low-voltage power supply module comprises a bridge type voltage stabilizing diode TR1, a resistor R1, a capacitor C1, a capacitor C3, a resistor R3, a resistor R4, a triode Q1, a diode D1, a capacitor C2, a resistor R2, a transformer T1, a diode D2, a diode D3 and a capacitor C4.
The fault alarm module comprises a triode Q10, a resistor R16, a resistor R17, a resistor R18, a lamp LED1, a diode D9, a diode D8 and an alarm LS 1.
The optical fiber receiving module comprises a diode D10, a terminal row J1, a resistor R5, a diode D4, a capacitor C5, a resistor R6, a triode Q2, a resistor R7, a resistor R8, a resistor R9 and a lamp LED 2.
The power control module comprises a switch U1, a power supply B1, a relay K1, a normally open contact S1, a resistor R19, a normally open button SB1, a normally closed button SB1-1, a normally closed contact SI-1 and a diode D7.
The closing module comprises a trigger switch SB2, a resistor R10, a triode Q3, a resistor R15, a resistor R11, a resistor R12, a triode Q5, a triode Q7 and a diode Q5.
The isolation module comprises a diode D6, a triode Q7, a triode Q8, a resistor R13, a resistor R14 and a triode Q9.
The pin 5 and the pin 6 of the bridge type voltage stabilizing diode TR1 in the low-voltage power supply module are both connected with the positive end of alternating current AC; the pin 3 and the pin 4 of the bridge type voltage stabilizing diode TR1 are both connected with the negative end of alternating current AC; the pin 1 of the bridge type voltage stabilizing diode TR1 is respectively connected with a resistor R1, a capacitor C1, a capacitor C2, a resistor R2 and a pin 3 of a transformer T1; pin 2 of the bridge type voltage stabilizing diode TR1 is connected with one end of a resistor R4; the other end of the resistor R4 is respectively connected with an emitter terminal of the triode Q1 and a ground wire GND; the base terminal of the triode Q1 is respectively connected with the other end of the resistor R1 and one end of the capacitor C3; the other end of the capacitor C3 is connected with one end of a resistor R3; the other end of the resistor R3 is connected with a pin 1 of a transformer T1; the collector terminal of the triode Q1 is respectively connected with a pin 4 of a transformer T1 and the positive terminal of a diode D1; the negative end of the diode D1 is respectively connected with the other end of the resistor R2 and the other end of the capacitor C2; the pin 7 of the transformer T1 is connected with the positive end of a diode D2; the negative end of the diode D2 is connected with the negative end of the capacitor C4; the positive end of the capacitor C4 is connected with the negative end of the diode D3; the positive end of the diode D3 is connected with a pin 5 of a transformer T1; and the pin 6 of the transformer T1 is connected with the ground wire GND.
The emitter terminal of the triode Q10 in the fault alarm module is respectively connected with the cathode terminal of a diode D2 and the cathode terminal of a capacitor C4; the base end of the triode Q10 is respectively connected with one end of a resistor R16 and the negative end of a diode D9; the positive end of the diode D9 is connected with the positive end of the diode D8; the collector terminal of the triode Q10 is respectively connected with one end of a resistor R17 and one end of a resistor R16; the other end of the resistor R17 is connected with one end of an alarm LS 1; the other end of the resistor R18 is connected with the positive end of the lamp LED 1; and the negative electrode end of the lamp LED1 is respectively connected with the other end of the alarm LS1 and the ground wire GND.
One end of the resistor R5 in the optical fiber receiving module is respectively connected with a pin 1 of a terminal bank J1, one end of a resistor R7 and one end of a resistor R9; the other end of the resistor R5 is respectively connected with the positive end of a diode D4 and a pin 2 of a terminal row J1; the negative end of the diode D4 is respectively connected with one end of a resistor R6 and the negative end of a capacitor C5; the positive end of the capacitor C5 is respectively connected with a pin 3 of a terminal block J1, an emitter end of a triode Q2, a negative end of a lamp LED2 and a ground wire GND; the other end of the resistor R6 is respectively connected with a base terminal of a triode Q2 and a positive terminal of a diode D10; the negative end of the diode D10 is connected with the other end of the resistor R16; the collector terminal of the triode Q2 is respectively connected with one end of a resistor R8 and the other end of a resistor R7; and the positive end of the lamp LED2 is connected with the other end of the resistor R9.
Pin 2 of the switch U1 in the power supply control module is connected with the other end of a resistor R8; pin 3 of the switch U1 is respectively connected with one end of a resistor R5, pin 1 of a terminal row J1, one end of a resistor R7, one end of a resistor R9 and the positive end of a power supply B1 are respectively connected with one end of a resistor R19, one end of a normally open button SB1, the emitter end of a triode Q10, the negative end of a diode D2 and the negative end of a capacitor C4; pin 1 of the switch U1 is connected with one end of a relay K1; the negative end of the power supply B1 is respectively connected with the other end of the relay K1, the positive end of the capacitor C5, a pin 3 of a terminal block J1, an emitter end of a triode Q2, the negative end of a lamp LED2 and a ground wire GND; the other end of the resistor R19 is connected with one end of a normally open contact S1; the other end of the normally open contact S1 is connected with one end of a normally closed button SB 1-1; the other end of the normally closed button SB1-1 is connected with the positive end of a diode D7; the other end of the normally open button SB1 is connected with one end of a normally closed contact S1-1; the other end of the normally closed contact S1-1 is respectively connected with the positive end of a diode D9 and the positive end of a diode D8; the negative terminal of the diode D7 is connected with the negative terminal of the diode D8.
The pin 1 of the trigger switch SB2 in the closing module is respectively connected with the negative terminal of a diode D7 and the negative terminal of a diode D8; pin 2 of the trigger switch SB2 is connected with one end of a resistor R10; pin 3 of the trigger switch SB2 is connected with one end of a resistor R15; the other end of the resistor R10 is connected with the base terminal of a triode Q3; the collector terminal of the triode Q3 is respectively connected with one end of a resistor R12 and one end of a resistor R11; the other end of the resistor R11 is respectively connected with an emitter terminal of a triode Q5 and a cathode terminal of a diode D5; the other end of the resistor R12 is respectively connected with a base electrode terminal of a triode Q5 and a base electrode terminal of a triode Q7; the emitter terminal of the triode Q3 is respectively connected with the emitter terminal of the triode Q7, the positive terminal of the diode D5 and the ground wire GND; and the collector terminal of the triode Q5 is respectively connected with the collector terminal of the triode Q7 and the output terminal L1.
The emitter terminal of the triode Q7 in the isolation module is respectively connected with the cathode terminal of the diode D6, one end of the resistor R14, the other end of the resistor R11, the emitter terminal of the triode Q5 and the cathode terminal of the diode D5; the other end of the resistor R14 is respectively connected with one end of a resistor R13 and a collector end of a triode Q9; the emitter terminal of the triode Q9 is respectively connected with the emitter terminal of the triode Q8, the anode terminal of the diode D6, the emitter terminal of the triode Q3, the emitter terminal of the triode Q7, the anode terminal of the diode D5 and the ground wire GND; the base end of the triode Q9 is connected with the other end of the resistor R15; the base end of the triode Q8 is respectively connected with the base end of the triode Q7 and the other end of the resistor R13; and the collector terminal of the triode Q8 is respectively connected with the collector terminal of the triode Q7 and the output terminal L2.
The working principle is as follows: the obtained mains voltage is converted to form low voltage for controlling the operation of equipment, the capacitor C1 provides stored electric energy and maintains the stability of transmission voltage, the diode D2 and the diode D3 limit the voltage transmission direction, and the capacitor C3 prevents voltage mutation and the series resistor R3 plays a damping role; the converted low voltage is provided for a fault alarm module, the fault alarm module transmits a voltage value through the control in a diagnosis power supply control module and an optical fiber receiving module, and a triode Q10 receives conducting electric signals of each branch diode to control the operation of an alarm system; the optical fiber receiving module controls the switch U1 to be closed to the received optical fiber signal, so that the relay K1 is operated to close the normally open contact S1 to realize the operation of the optical fiber type isolating switch, and the capacitor C5 is grounded to filter the high-frequency signal of the transmission signal; then the power control module and the optical fiber receiving module form a direct control type and an optical fiber type switch circuit, and an interlocking assembly is formed by the relay K1 and the normally open button SB1, so that mutual control effect is realized; the direct control type and the optical fiber type form a contact net isolating switch circuit, and the positive and negative rotation of the external motion assembly is controlled to realize the isolation effect by changing the output direction of voltage; the switching of the switch control is realized by combining a direct control type and an optical fiber type.
The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical concept of the present invention can be modified to perform various equivalent transformations, which all belong to the protection scope of the present invention.

Claims (6)

1. The utility model provides a contact net isolator control circuit that directly accuse formula and optic fibre formula combine, characterized by includes: the low-voltage power supply module converts the acquired mains voltage into equipment control low voltage, and the capacitor C3 prevents voltage mutation and the series resistor R3 plays a damping role; the fault alarm module controls the operation of the alarm system by diagnosing the transmission voltage values of the power supply control module and the optical fiber receiving module and receiving the conducting electric signals of each branch diode by the triode Q10; the optical fiber receiving module adjusts the received optical fiber signals, and the capacitor C5 is grounded to filter the high-frequency signals of the transmission signals; the power supply control module and the optical fiber receiving module form a direct control type and optical fiber type switch circuit, and an interlocking assembly is formed by a relay K1 and a normally open button SB 1; the closed module and the isolation module form a contact net isolation switch circuit, and the positive and negative rotation of the external motion assembly is controlled to realize the isolation effect by changing the output direction of voltage; the switching of switch control is realized by combining a direct control type with an optical fiber type; the low-voltage power supply module comprises a bridge type voltage stabilizing diode TR1, a resistor R1, a capacitor C1, a capacitor C3, a resistor R3, a resistor R4, a triode Q1, a diode D1, a capacitor C2, a resistor R2, a transformer T1, a diode D2, a diode D3 and a capacitor C4, wherein a pin 5 and a pin 6 of the bridge type voltage stabilizing diode TR1 are both connected with the positive end of Alternating Current (AC); the pin 3 and the pin 4 of the bridge type voltage stabilizing diode TR1 are both connected with the negative end of alternating current AC; the pin 1 of the bridge type voltage stabilizing diode TR1 is respectively connected with a resistor R1, a capacitor C1, a capacitor C2, a resistor R2 and a pin 3 of a transformer T1; pin 2 of the bridge type voltage stabilizing diode TR1 is connected with one end of a resistor R4; the other end of the resistor R4 is respectively connected with an emitter terminal of the triode Q1 and a ground wire GND; the base terminal of the triode Q1 is respectively connected with the other end of the resistor R1 and one end of the capacitor C3; the other end of the capacitor C3 is connected with one end of a resistor R3; the other end of the resistor R3 is connected with a pin 1 of a transformer T1; the collector terminal of the triode Q1 is respectively connected with a pin 4 of a transformer T1 and the positive terminal of a diode D1; the negative end of the diode D1 is respectively connected with the other end of the resistor R2 and the other end of the capacitor C2; the pin 7 of the transformer T1 is connected with the positive end of a diode D2; the negative end of the diode D2 is connected with the negative end of the capacitor C4; the positive end of the capacitor C4 is connected with the negative end of the diode D3; the positive end of the diode D3 is connected with a pin 5 of a transformer T1; and the pin 6 of the transformer T1 is connected with the ground wire GND.
2. The control circuit of the direct-control and optical fiber combined contact net isolating switch of claim 1, which is characterized in that: the fault alarm module comprises a triode Q10, a resistor R16, a resistor R17, a resistor R18, a lamp LED1, a diode D9, a diode D8 and an alarm LS1, wherein the emitter terminal of the triode Q10 is respectively connected with the cathode terminal of a diode D2 and the cathode terminal of a capacitor C4; the base end of the triode Q10 is respectively connected with one end of a resistor R16 and the negative end of a diode D9; the positive end of the diode D9 is connected with the positive end of the diode D8; the collector terminal of the triode Q10 is respectively connected with one end of a resistor R17 and one end of a resistor R16; the other end of the resistor R17 is connected with one end of an alarm LS 1; the other end of the resistor R18 is connected with the positive end of the lamp LED 1; and the negative electrode end of the lamp LED1 is respectively connected with the other end of the alarm LS1 and the ground wire GND.
3. The control circuit of the direct-control and optical fiber combined contact net isolating switch of claim 1, which is characterized in that: the optical fiber receiving module comprises a diode D10, a terminal row J1, a resistor R5, a diode D4, a capacitor C5, a resistor R6, a triode Q2, a resistor R7, a resistor R8, a resistor R9 and a lamp LED2, wherein one end of the resistor R5 is connected with a pin 1 of the terminal row J1, one end of the resistor R7 and one end of the resistor R9 respectively; the other end of the resistor R5 is respectively connected with the positive end of a diode D4 and a pin 2 of a terminal row J1; the negative end of the diode D4 is respectively connected with one end of a resistor R6 and the negative end of a capacitor C5; the positive end of the capacitor C5 is respectively connected with a pin 3 of a terminal block J1, an emitter end of a triode Q2, a negative end of a lamp LED2 and a ground wire GND; the other end of the resistor R6 is respectively connected with a base terminal of a triode Q2 and a positive terminal of a diode D10; the negative end of the diode D10 is connected with the other end of the resistor R16; the collector terminal of the triode Q2 is respectively connected with one end of a resistor R8 and the other end of a resistor R7; and the positive end of the lamp LED2 is connected with the other end of the resistor R9.
4. The control circuit of the direct-control and optical fiber combined contact net isolating switch of claim 1, which is characterized in that: the power supply control module comprises a switch U1, a power supply B1, a relay K1, a normally open contact S1, a resistor R19, a normally open button SB1, a normally closed button SB1-1, a normally closed contact SI-1 and a diode D7, wherein a pin 2 of the switch U1 is connected with the other end of the resistor R8; pin 3 of the switch U1 is respectively connected with one end of a resistor R5, pin 1 of a terminal row J1, one end of a resistor R7, one end of a resistor R9 and the positive end of a power supply B1 are respectively connected with one end of a resistor R19, one end of a normally open button SB1, the emitter end of a triode Q10, the negative end of a diode D2 and the negative end of a capacitor C4; pin 1 of the switch U1 is connected with one end of a relay K1; the negative end of the power supply B1 is respectively connected with the other end of the relay K1, the positive end of the capacitor C5, a pin 3 of a terminal block J1, an emitter end of a triode Q2, the negative end of a lamp LED2 and a ground wire GND; the other end of the resistor R19 is connected with one end of a normally open contact S1; the other end of the normally open contact S1 is connected with one end of a normally closed button SB 1-1; the other end of the normally closed button SB1-1 is connected with the positive end of a diode D7; the other end of the normally open button SB1 is connected with one end of a normally closed contact S1-1; the other end of the normally closed contact S1-1 is respectively connected with the positive end of a diode D9 and the positive end of a diode D8; the negative terminal of the diode D7 is connected with the negative terminal of the diode D8.
5. The control circuit of the direct-control and optical fiber combined contact net isolating switch of claim 1, which is characterized in that: the closing module comprises a trigger switch SB2, a resistor R10, a triode Q3, a resistor R15, a resistor R11, a resistor R12, a triode Q5, a triode Q7 and a diode Q5, wherein a pin 1 of the trigger switch SB2 is connected with the negative end of a diode D7 and the negative end of a diode D8 respectively; pin 2 of the trigger switch SB2 is connected with one end of a resistor R10; pin 3 of the trigger switch SB2 is connected with one end of a resistor R15; the other end of the resistor R10 is connected with the base terminal of a triode Q3; the collector terminal of the triode Q3 is respectively connected with one end of a resistor R12 and one end of a resistor R11; the other end of the resistor R11 is respectively connected with an emitter terminal of a triode Q5 and a cathode terminal of a diode D5; the other end of the resistor R12 is respectively connected with a base electrode terminal of a triode Q5 and a base electrode terminal of a triode Q7; the emitter terminal of the triode Q3 is respectively connected with the emitter terminal of the triode Q7, the positive terminal of the diode D5 and the ground wire GND; and the collector terminal of the triode Q5 is respectively connected with the collector terminal of the triode Q7 and the output terminal L1.
6. The control circuit of the direct-control and optical fiber combined contact net isolating switch of claim 1, which is characterized in that: the isolation module comprises a diode D6, a triode Q7, a triode Q8, a resistor R13, a resistor R14 and a triode Q9, wherein an emitter terminal of the triode Q7 is respectively connected with a cathode terminal of the diode D6, one end of the resistor R14, the other end of the resistor R11, an emitter terminal of the triode Q5 and a cathode terminal of the diode D5; the other end of the resistor R14 is respectively connected with one end of a resistor R13 and a collector end of a triode Q9; the emitter terminal of the triode Q9 is respectively connected with the emitter terminal of the triode Q8, the anode terminal of the diode D6, the emitter terminal of the triode Q3, the emitter terminal of the triode Q7, the anode terminal of the diode D5 and the ground wire GND; the base end of the triode Q9 is connected with the other end of the resistor R15; the base end of the triode Q8 is respectively connected with the base end of the triode Q7 and the other end of the resistor R13; and the collector terminal of the triode Q8 is respectively connected with the collector terminal of the triode Q7 and the output terminal L2.
CN202021100114.0U 2020-06-15 2020-06-15 Direct control type and optical fiber type combined contact net isolating switch control circuit Active CN212572069U (en)

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CN202021100114.0U CN212572069U (en) 2020-06-15 2020-06-15 Direct control type and optical fiber type combined contact net isolating switch control circuit

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CN202021100114.0U CN212572069U (en) 2020-06-15 2020-06-15 Direct control type and optical fiber type combined contact net isolating switch control circuit

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