CN103389461B - A kind of circuit breaker electronic release containing isolating switch life testing function - Google Patents
A kind of circuit breaker electronic release containing isolating switch life testing function Download PDFInfo
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- CN103389461B CN103389461B CN201310319276.1A CN201310319276A CN103389461B CN 103389461 B CN103389461 B CN 103389461B CN 201310319276 A CN201310319276 A CN 201310319276A CN 103389461 B CN103389461 B CN 103389461B
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Abstract
The present invention relates to a kind of electronic trip unit, refer to the circuit breaker electronic release containing isolating switch life testing function especially.The invention provides following technical scheme: a kind of circuit breaker electronic release containing isolating switch life testing function, it is characterized in that: include auxiliary switch for circuit breaker motion detection and counting unit, saturated or the accessory power supply power supply unit of speed, information process unit and actuator, by adopting such scheme, the present invention overcomes prior art Problems existing, there is provided a kind of by the economic isolating switch life detecting method monitoring breaker life-span, before purpose of breaker failure, provide alerting signal in time, notify that maintainer safeguards isolating switch, thus avoid the novel circuit breaker electronic release of the generation of major accident.
Description
Technical field
The present invention relates to a kind of electronic trip unit, refer to the circuit breaker electronic release containing isolating switch life testing function especially.
Background technology
For a long time, China's electric system " is retransmitted light for don't work ", in power network distribution side, user side, usually causes large-area power-cuts because of circuit breaker failure, causes the heavy losses of property or casualties.Realize the monitoring of isolating switch life-span, monitor and estimate the isolating switch life-span, before purpose of breaker failure, safeguard isolating switch in time or make various emergency preplan according to isolating switch expection fault, prevent trouble before it happens, be very important.
The life-span of accurate tolerance isolating switch is inconvenient, and in view of domestic economy present situation, the cost great amount of cost monitoring breaker life-span also has any problem, and the present invention just relate to the action frequency that the way in a kind of simple economy monitoring breaker life-span is record isolating switch.
In existing known technology, only have part low-voltage circuit breaker with intelligent controller, and the intelligent controller of low-voltage circuit breaker is many by transformer for supplying power, under zero load or underloading condition, controller can not get sufficient energy and runs, cannot accurate recording circuit-breaker switching on-off action frequency.
Summary of the invention
The present invention overcomes prior art Problems existing, there is provided a kind of by the economic isolating switch life detecting method monitoring breaker life-span, before purpose of breaker failure, provide alerting signal in time, notify that maintainer safeguards isolating switch, thus avoid the novel circuit breaker electronic release of the generation of major accident.
For achieving the above object, the invention provides following technical scheme: a kind of circuit breaker electronic release containing isolating switch life testing function, it is characterized in that: include auxiliary switch for circuit breaker motion detection and counting unit, saturated or the accessory power supply power supply unit of speed, information process unit and actuator, described auxiliary switch for circuit breaker motion detection and counting unit signal are to information process unit, information process unit controls actuator, saturated or the accessory power supply power supply unit of described speed is to auxiliary switch for circuit breaker motion detection and counting unit, information process unit and actuator are powered, described auxiliary switch for circuit breaker motion detection and counting unit include signal deteching circuit and counting circuit.
With a kind of isolating switch life detecting method monitoring breaker life-span of economy, before purpose of breaker failure, alerting signal can be provided in time, notifies that maintainer safeguards isolating switch, thus avoid the generation of major accident by adopting such scheme.
The further setting of the present invention is: described signal deteching circuit includes auxiliary switch for circuit breaker QF1, voltage dependent resistor (VDR) RV1, electric capacity C2, resistance R3, MOSFET triode V1, pull-up resistor R2 forms, rechargeable battery B1 positive pole wherein in auxiliary switch for circuit breaker QF1 mono-termination counting circuit, the other end and voltage dependent resistor (VDR) RV1, electric capacity C2, resistance R3, the gate pole of MOSFET triode V1 is connected, the voltage dependent resistor (VDR) RV1 other end, the source ground of the electric capacity C2 other end and the resistance R3 other end and MOSFET triode V1, pull-up resistor R2 mono-termination rechargeable battery B1 positive pole, the drain electrode of one termination MOSFET triode V1, described counting circuit comprises FM33256 single-chip microcomputer D1, rechargeable battery B1, diode V3, charging resistor R1, filter capacitor C1, wherein charging resistor R1 one end connects the power supply that the saturated or accessory power supply power supply unit of speed provides after diode V3,4 pin of one termination rechargeable battery B1, filter capacitor C1 and FM33256 single-chip microcomputer, rechargeable battery B1 and filter capacitor C1 other end ground connection, FM33256 single-chip microcomputer D1 is communicated with information process unit by bus, and the drain electrode of MOSFET triode V1 in signal deteching circuit is communicated with 3 pin of FM33256 single-chip microcomputer, also include the communication interface of display unit or intelligent power distribution unit, wherein the communication interface of display unit or intelligent power distribution unit is controlled by information process unit.
By adopting such scheme, being that the present invention is limited further, the performance of product is further optimized; Display unit or intelligent power distribution unit can send alerting signal in time in addition, notify that maintainer safeguards isolating switch in time, thus avoid the generation of major accident.
Below in conjunction with accompanying drawing, the invention will be further described.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the embodiment of the present invention;
Fig. 2 is the auxiliary switch for circuit breaker motion detection of the embodiment of the present invention and the circuit diagram of counting unit.
Embodiment
As depicted in figs. 1 and 2, a kind of circuit breaker electronic release containing isolating switch life testing function, include auxiliary switch for circuit breaker motion detection and counting unit 1, saturated or the accessory power supply power supply unit 2 of speed, information process unit 3 and actuator 4, described auxiliary switch for circuit breaker motion detection and counting unit 1 signal are to information process unit 3, information process unit 3 controls actuator 4, saturated or the accessory power supply power supply unit 2 pairs of auxiliary switch for circuit breaker motion detection of described speed and counting unit 1, information process unit 3 and actuator 4 are powered, described auxiliary switch for circuit breaker motion detection and counting unit 1 include signal deteching circuit 11 and counting circuit 12.With a kind of isolating switch life detecting method monitoring breaker life-span of economy, before purpose of breaker failure, alerting signal can be provided in time, notifies that maintainer safeguards isolating switch, thus avoid the generation of major accident by adopting such scheme.
In embodiments of the present invention, described signal deteching circuit 11 includes auxiliary switch for circuit breaker QF1, voltage dependent resistor (VDR) RV1, electric capacity C2, resistance R3, MOSFET triode V1, pull-up resistor R2 forms, rechargeable battery B1 positive pole wherein in auxiliary switch for circuit breaker QF1 mono-termination counting circuit, the other end and voltage dependent resistor (VDR) RV1, electric capacity C2, resistance R3, the gate pole of MOSFET triode V1 is connected, the voltage dependent resistor (VDR) RV1 other end, the source ground of the electric capacity C2 other end and the resistance R3 other end and MOSFET triode V1, pull-up resistor R2 mono-termination rechargeable battery B1 positive pole, the drain electrode of one termination MOSFET triode V1, described counting circuit 12 comprises FM33256 single-chip microcomputer D1, rechargeable battery B1, diode V3, charging resistor R1, filter capacitor C1, wherein charging resistor R1 one end connects the power supply that the saturated or accessory power supply power supply unit of speed provides after diode V3,4 pin of one termination rechargeable battery B1, filter capacitor C1 and FM33256 single-chip microcomputer, rechargeable battery B1 and filter capacitor C1 other end ground connection, FM33256 single-chip microcomputer D1 is communicated with information process unit by bus, and the drain electrode of MOSFET triode V1 in signal deteching circuit is communicated with 3 pin of FM33256 single-chip microcomputer, in the present embodiment, a kind of circuit breaker electronic release containing isolating switch life testing function also includes the communication interface 5 of display unit or intelligent power distribution unit, and wherein the communication interface 5 of display unit or intelligent power distribution unit is controlled by information process unit 3.
Claims (2)
1. the circuit breaker electronic release containing isolating switch life testing function, it is characterized in that: include auxiliary switch for circuit breaker motion detection and counting unit, saturated or the accessory power supply power supply unit of speed, information process unit and actuator, described auxiliary switch for circuit breaker motion detection and counting unit signal are to information process unit, information process unit controls actuator, saturated or the accessory power supply power supply unit of described speed is to auxiliary switch for circuit breaker motion detection and counting unit, information process unit and actuator are powered, described auxiliary switch for circuit breaker motion detection and counting unit include signal deteching circuit and counting circuit, described signal deteching circuit includes auxiliary switch for circuit breaker QF1, voltage dependent resistor (VDR) RV1, electric capacity C2, resistance R3, MOSFET triode V1, pull-up resistor R2 forms, rechargeable battery B1 positive pole wherein in auxiliary switch for circuit breaker QF1 mono-termination counting circuit, the other end and voltage dependent resistor (VDR) RV1, electric capacity C2, resistance R3, the gate pole of MOSFET triode V1 is connected, the voltage dependent resistor (VDR) RV1 other end, the source ground of the electric capacity C2 other end and the resistance R3 other end and MOSFET triode V1, pull-up resistor R2 mono-termination rechargeable battery B1 positive pole, the drain electrode of one termination MOSFET triode V1, described counting circuit comprises FM33256 single-chip microcomputer D1, rechargeable battery B1, diode V3, charging resistor R1, filter capacitor C1, wherein charging resistor R1 one end connects the power supply that the saturated or accessory power supply power supply unit of speed provides after diode V3, one termination rechargeable battery B1, 4 pin of filter capacitor C1 and FM33256 single-chip microcomputer, rechargeable battery B1 and filter capacitor C1 other end ground connection, FM33256 single-chip microcomputer D1 is communicated with information process unit by bus, the drain electrode of MOSFET triode V1 in signal deteching circuit is communicated with 3 pin of FM33256 single-chip microcomputer.
2. the circuit breaker electronic release containing isolating switch life testing function according to claim 1, it is characterized in that: the communication interface also including display unit or intelligent power distribution unit, wherein the communication interface of display unit or intelligent power distribution unit is controlled by information process unit.
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CN201310319276.1A CN103389461B (en) | 2013-07-25 | 2013-07-25 | A kind of circuit breaker electronic release containing isolating switch life testing function |
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CN201310319276.1A CN103389461B (en) | 2013-07-25 | 2013-07-25 | A kind of circuit breaker electronic release containing isolating switch life testing function |
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CN103389461A CN103389461A (en) | 2013-11-13 |
CN103389461B true CN103389461B (en) | 2016-03-02 |
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CN110146807A (en) * | 2019-06-05 | 2019-08-20 | 厦门立林电气控制技术有限公司 | A kind of trip coil monitoring circuit and monitoring method |
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CN201868350U (en) * | 2010-12-02 | 2011-06-15 | 福州天一同益电气有限公司 | Switching-on and switching-off metering device for multi-path circuit breakers |
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CN102915883A (en) * | 2011-08-05 | 2013-02-06 | 施耐德电器工业公司 | Electronic tripper |
CN203365641U (en) * | 2013-07-25 | 2013-12-25 | 德力西电气有限公司 | Breaker electronic release with breaker service life detection function |
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GB2453947A (en) * | 2007-10-23 | 2009-04-29 | Vetco Gray Controls Ltd | Solenoid coil current used in armature movement monitoring |
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EP2372741A1 (en) * | 2005-11-28 | 2011-10-05 | S & C Electric Company | A Method to determine the end-of-live of a vacuum interrupter |
CN201868350U (en) * | 2010-12-02 | 2011-06-15 | 福州天一同益电气有限公司 | Switching-on and switching-off metering device for multi-path circuit breakers |
CN102915883A (en) * | 2011-08-05 | 2013-02-06 | 施耐德电器工业公司 | Electronic tripper |
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