CN201926695U - Arrester action current amplitude monitor - Google Patents

Arrester action current amplitude monitor Download PDF

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Publication number
CN201926695U
CN201926695U CN2010206618170U CN201020661817U CN201926695U CN 201926695 U CN201926695 U CN 201926695U CN 2010206618170 U CN2010206618170 U CN 2010206618170U CN 201020661817 U CN201020661817 U CN 201020661817U CN 201926695 U CN201926695 U CN 201926695U
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CN
China
Prior art keywords
circuit
counting
action
monitor
sensor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2010206618170U
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Chinese (zh)
Inventor
孙晶云
李朝晖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NANJING DERUN ELECTRIC CO Ltd
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NANJING DERUN ELECTRIC CO Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Priority to CN2010206618170U priority Critical patent/CN201926695U/en
Application granted granted Critical
Publication of CN201926695U publication Critical patent/CN201926695U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses an arrester action current amplitude monitor, which comprises an action counting sensor, a counting/triggering circuit, a data output interface circuit, a voltage reference circuit, a singlechip, a display and a power source, wherein the action counting sensor is connected with the counting/triggering circuit, the counting/triggering circuit is output to an interface of the singlechip, the singlechip outputs signals to the data output interface circuit, the singlechip is connected with the voltage reference circuit and the display, and the power source provides the working power source for the monitor. The monitor also comprises a thunder and light amplitude sensor and a passive integrating circuit, wherein the thunder and light amplitude sensor is connected with the passive integration circuit, and the passive integration circuit is output to the interface of the singlechip. The arrester action current amplitude monitor disclosed by the utility model has a small size and low power consumption, is easy to carry and install, can be used for monitoring the action counting, the action current amplitude and other operation conditions of a circuit arrester in real time, and remotely transmitting the monitored data to a monitoring center on duty wirelessly at any time.

Description

Lightning arrester action current amplitude monitor
Technical field
The utility model belongs to the electric equipment protection field, relates to a kind of lightning arrester on-line monitoring device, relates in particular to a kind of monitor with action current amplitude measurement function.
Background technology
The on-line monitoring technique of transmission line of electricity lightning arrester has developed a lot of years, and the monitored operational factor of lightning arrester mainly contains action frequency, leakage current, surface filth degree etc.At present, there are the devices such as surveying instrument instrument of some amplitude of lightning current to carry out tracking measurement to equipment such as lightning rod, power station lightning arresters, but, be not suitable for being used in the on-line monitoring work of transmission line of electricity lightning arrester because these lightning current measuring device volumes are big, power consumption is many, manufacturing cost is high.
Summary of the invention
The utility model provides a kind of lightning arrester action current amplitude monitor that remedies the deficiency on the leakage conductor on-line monitoring.
The technical solution adopted in the utility model is: lightning arrester action current amplitude monitor, comprise action sensor for countering, counting/trigger circuit, data output interface circuit, voltage reference circuit, single-chip microcomputer, display, power supply, action numeration sensor is connected with counting/trigger circuit, counting/trigger circuit output to the interface of single-chip microcomputer, the single-chip microcomputer output signal is to data output interface circuit, single-chip microcomputer links to each other with voltage reference circuit, display, and power supply provides working power for monitor; Also comprise thunder and lightning amplitude sensor and passive integrator, thunder and lightning amplitude sensor is connected with passive integrator, and passive integrator outputs to the interface of single-chip microcomputer.
As optimal technical scheme of the present utility model, described passive integrator carries out full-wave rectification by rectifier bridge B1, and carry out Integral Processing by capacitor C 1, the two ends that capacitor C 1 is received in the both positive and negative polarity output of B1 respectively, the upper end of divider resistance R1 is connected with the positive pole of capacitor C 1, the lower end of divider resistance R2 is connected with capacitor C 1 negative pole, and the other end of divider resistance R1, R2 links to each other.
Lightning arrester action current amplitude monitor volume of the present utility model is little, power consumption is low, it is simple and easy to carry and install, ruuning situations such as the action counting of Monitoring Line lightning arrester, action current amplitude in real time, and at any time with the Monitoring Data wireless remote transmission to Surveillance center on duty.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Fig. 2 is the schematic diagram of passive integrator in the utility model.
Fig. 3 is the utility model work synoptic diagram.
Embodiment
Now specify embodiment of the present utility model in conjunction with the accompanying drawings.
The lightning arrester on-Line Monitor Device, have three lightning arrester action current amplitude monitors 3, data cable 4, teletransmission device 5, back-end data reception MODEM6, PC 7, lightning arrester 1 is connected respectively with A, B, the C three-phase of transmission line of electricity, be connected respectively to upper linker of action current amplitude monitor 3 by outside lead 2, monitor 3 lower terminal link to each other with the earth, monitor 3 Monitoring Data are connected respectively to three interfaces of teletransmission device 5 by data cable 4, and the output terminal that back-end data receives MODEM6 is connected with PC 7.The data that the teletransmission device is sent monitor send to the back-end data receiving system by the GSM network wireless.
When lightning arrester has action to produce, action current is by outside lead and the monitor internal connection line the earth of releasing, two current sensors have been worn on the internal connection line, be respectively action counting/triggering sensor 11 and amplitude of lightning current sensor 12, action numeration/triggering sensor 11 is a toroidal iron core coil CT1, the lightning induction electric current is input to counting/trigger circuit 13, counting/trigger circuit 13 carry out filtering, shaping, output pulse signal P1 is to the counting/trigger interface of single-chip microcomputer 15, cumulative process is once counted in 15 pairs of lightning arrester actions of single-chip microcomputer, count value outputs on the display screen 18 and shows, simultaneously, the A/D change-over circuit of triggering single-chip microcomputer 15 inside enters duty; Amplitude of lightning current sensor 12 is Luo-coil CT2, the lightning current induced signal of output is in passive integrator 14, after 14 pairs of lightning current output signals of passive integrator are handled, output thunder and lightning amplitude measurement signal P2 is to the A/D translation interface of single-chip microcomputer 15, single-chip microcomputer 15 is according to voltage reference circuit 17, meter is calculated thunder and lightning amplitude data, and by data output interface circuit 16, lightning arrester action enumeration data and thunder and lightning amplitude measurement data are sent in the teletransmission device, the teletransmission device re-sends to these data on the PC receiving terminal of backstage, and power supply 19 provides working power for monitor.
Luo-coil CT2 output lightning current induced signal, carry out full-wave rectification through rectifier bridge B1, and carry out Integral Processing by C1, two ends of C1 are received in the both positive and negative polarity output of B1 respectively, the positive pole of C1 connects the upper end of divider resistance R1, negative pole connects the lower end of divider resistance R2, and the other end of divider resistance R1, R2 is connected, and output is measured voltage division signal P2 to Chip Microcomputer A/D translation interface.
Lightning arrester action current amplitude monitor volume of the present utility model is little, power consumption is low, it is simple and easy to carry and install, ruuning situations such as the action counting of Monitoring Line lightning arrester, action current amplitude in real time, and at any time with the Monitoring Data wireless remote transmission to Surveillance center on duty.

Claims (2)

1. lightning arrester action current amplitude monitor, comprise action sensor for countering (11), counting/trigger circuit (13), data output interface circuit (16), voltage reference circuit (17), single-chip microcomputer (15), display (18), power supply (19), action numeration sensor (11) is connected with counting/trigger circuit (13), counting/trigger circuit (13) output to the interface of single-chip microcomputer (15), single-chip microcomputer (15) output signal is to data output interface circuit (16), single-chip microcomputer (15) and voltage reference circuit (17), display (18) links to each other, and power supply (19) provides working power for monitor; It is characterized in that: also comprise thunder and lightning amplitude sensor (12) and passive integrator (14), thunder and lightning amplitude sensor (12) is connected with passive integrator (14), and passive integrator (14) outputs to the interface of single-chip microcomputer (15).
2. lightning arrester action current amplitude monitor according to claim 1, it is characterized in that: described passive integrator carries out full-wave rectification by rectifier bridge B1, and carry out Integral Processing by capacitor C 1, the two ends that capacitor C 1 is received in the both positive and negative polarity output of B1 respectively, the upper end of divider resistance R1 is connected with the positive pole of capacitor C 1, the lower end of divider resistance R2 is connected with capacitor C 1 negative pole, and the other end of divider resistance R1, R2 links to each other.
CN2010206618170U 2010-12-15 2010-12-15 Arrester action current amplitude monitor Expired - Fee Related CN201926695U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010206618170U CN201926695U (en) 2010-12-15 2010-12-15 Arrester action current amplitude monitor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010206618170U CN201926695U (en) 2010-12-15 2010-12-15 Arrester action current amplitude monitor

Publications (1)

Publication Number Publication Date
CN201926695U true CN201926695U (en) 2011-08-10

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010206618170U Expired - Fee Related CN201926695U (en) 2010-12-15 2010-12-15 Arrester action current amplitude monitor

Country Status (1)

Country Link
CN (1) CN201926695U (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103457237A (en) * 2013-08-16 2013-12-18 苏州市电通电力电子有限公司 Damage warning and protecting method and device for high-energy voltage dependent resistor overvoltage protector
CN103795052A (en) * 2014-01-20 2014-05-14 嘉兴市国科京禾电子有限公司 Data signal line RS-485 intelligent anti-lighting device and method
CN104090142A (en) * 2014-06-23 2014-10-08 国网青海省电力公司 Arrester online monitor
CN110907689A (en) * 2019-11-22 2020-03-24 宁夏中科天际防雷检测有限公司 Complete passive high sensitivity intelligence thunder meter

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103457237A (en) * 2013-08-16 2013-12-18 苏州市电通电力电子有限公司 Damage warning and protecting method and device for high-energy voltage dependent resistor overvoltage protector
CN103795052A (en) * 2014-01-20 2014-05-14 嘉兴市国科京禾电子有限公司 Data signal line RS-485 intelligent anti-lighting device and method
CN103795052B (en) * 2014-01-20 2017-01-11 嘉兴市国科京禾电子有限公司 Data signal line RS-485 intelligent anti-lighting device and method
CN104090142A (en) * 2014-06-23 2014-10-08 国网青海省电力公司 Arrester online monitor
CN110907689A (en) * 2019-11-22 2020-03-24 宁夏中科天际防雷检测有限公司 Complete passive high sensitivity intelligence thunder meter

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C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110810

Termination date: 20131215