CN108710048A - The lightning arrester monitoring device and system warned with acousto-optic - Google Patents
The lightning arrester monitoring device and system warned with acousto-optic Download PDFInfo
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- CN108710048A CN108710048A CN201810838523.1A CN201810838523A CN108710048A CN 108710048 A CN108710048 A CN 108710048A CN 201810838523 A CN201810838523 A CN 201810838523A CN 108710048 A CN108710048 A CN 108710048A
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- 238000012806 monitoring device Methods 0.000 title claims abstract description 49
- 238000012545 processing Methods 0.000 claims abstract description 51
- 238000004891 communication Methods 0.000 claims abstract description 24
- 238000012544 monitoring process Methods 0.000 claims abstract description 14
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000009471 action Effects 0.000 claims description 8
- 230000005622 photoelectricity Effects 0.000 claims description 7
- 238000005259 measurement Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 208000025274 Lightning injury Diseases 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 230000003449 preventive effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 241001269238 Data Species 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
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- 230000007850 degeneration Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000002405 diagnostic procedure Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000003862 health status Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 229960001296 zinc oxide Drugs 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/003—Environmental or reliability tests
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D21/00—Measuring or testing not otherwise provided for
- G01D21/02—Measuring two or more variables by means not covered by a single other subclass
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- Environmental & Geological Engineering (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The embodiment of the present invention provides a kind of lightning arrester monitoring device warned with acousto-optic and system, acquire the Leakage Current signal and voltage signal of arrester respectively by current collector and voltage collector, and it is sent to processing module after being filtered of filtered module, processing module handles the Leakage Current signal and voltage signal that receive, and when Leakage Current signal or voltage signal are more than setting, obtain warning signal, and warning signal is sent to module of warning and is warned, and warning signal can also be sent to exterior terminal equipment by communication module, to notify the abnormal conditions of staff's arrester, to realize the real time monitoring to arrester and warn in time.
Description
Technical field
The present invention relates to protection of arrester technical fields, and dress is monitored in particular to the arrester warned with acousto-optic
It sets and system.
Background technology
Arrester is the important primary equipment in power industry power generation, in substation (buck station) and circuit
Main function is to protect miscellaneous equipment from the injury of lightning surge and system overvoltage surge.Present Zinc-Oxide Arrester
(MOA) there is no series gaps, MOA always to have certain leakage current by valve block during running, can thus add for the overwhelming majority
Fast valve block aging --- it is the basic reason of MOA valve block poor qualities degeneration to make moist with aging.With the high capacity of power equipment, height
Voltage, structure diversification and sealingization, for conventional power failure preventive trial, traditional simple diagnostic method has seemed not
It adapts to very much, is mainly manifested in：With powering, reliable demand is continuously improved, and periodically electrical equipment, which has a power failure, carries out preventive trial change
Must be more and more difficult, it is especially important substation and the case where exceeding the time limit to test usually occurs, this is steady safely to ensureing electrical equipment
Fixed operation leaves certain hidden danger.
Judge the detection means revealed under arrester operation conditions at present, be do live detection using testing instrument for electrified, but
Because of other too long equal many factors of detection cycle, some hidden failures cannot be found in time, it is therefore desirable to pass through a kind of monitoring
Means carry out uninterrupted monitoring in 24 hours to failure arrester at any time, measure each item datas such as arrester Leakage Current at any time, real
When grasp arrester health status development trend, prevent security risk, finally completely replace lightning arrester live-line test work, protect
Safe operation is demonstrate,proved, labor intensity is reduced, improves working efficiency.
Invention content
In view of this, the purpose of the embodiment of the present invention is, a kind of lightning arrester monitoring device warned with acousto-optic is provided
And system is to improve the above problem.
The embodiment of the present application provides a kind of lightning arrester monitoring device warned with acousto-optic, and the monitoring device includes electric current
Collector, voltage collector, filter module, processing module, communication module and module of warning, the module of warning includes buzzing
Telltale, voice telltale and photoelectricity telltale；
The current collector is connect with the arrester, for passing through the company in the current measurement circuit of the arrester
Connect the Leakage Current signal that conducting wire acquires the arrester；
The voltage collector is connect with the arrester, the voltage signal for obtaining the arrester；
The filter module is used to receive the Leakage Current signal and the voltage acquisition that the current collector is sent
The voltage signal that device is sent, and the Leakage Current signal and voltage signal are filtered, be sent to after enhanced processing it is described
Processing module；
The processing module receives the Leakage Current signal and voltage signal that the filter module is sent, and in the leakage
When current signal is more than setting electric current value or the voltage signal is more than setting voltage value, corresponding warning signal is generated, and
The warning signal is sent to the communication module and the module of warning；
The communication module is used to the warning signal being sent to exterior terminal equipment；
Buzzing telltale, voice telltale and the photoelectricity telltale that the module of warning includes are warned according to respectively
Signal is warned.
Optionally, the monitoring device further includes Temperature Humidity Sensor group, and the Temperature Humidity Sensor group is arranged described
At the varistor valve of arrester, the Temperature Humidity Sensor group is connect with the processing module, described pressure-sensitive for detecting
Temperature value at resistor valve sheet and humidity value, and the temperature value and the humidity value are sent to the processing module.
Optionally, the monitoring device further includes operation counter, and the operation counter is connect with the arrester, is used
In acquiring the arrester run action number in real time, and collected run action number is sent to the processing module,
The run action number is sent to the exterior terminal equipment by the processing module by the communication module.
Optionally, the operation counter includes first resistor valve block, second resistance valve block, the first capacitance and the first electricity
Sense, one end of the first resistor valve block is connect with the arrester, the other end is grounded, first capacitance and first electricity
It is in parallel to hinder valve block, the second resistance valve block is connected between the first resistor valve block and first capacitance, and described first
Inductance is in parallel with first capacitance.
Optionally, the operation counter includes 3rd resistor valve block, full-wave rectifier, the second capacitance and the second electricity
Sense, one end of the 3rd resistor valve block is connect with the arrester, the other end is grounded, second capacitance and third electricity
It is in parallel to hinder valve block, the full-wave rectifier is connected between the 3rd resistor valve block and second capacitance, second electricity
Sense is in parallel with second capacitance.
Optionally, the monitoring device further includes shading ring, and the shading ring is arranged on the arrester and is grounded, and is used
It is disturbed in the Leakage Current signal for preventing the current collector from monitoring.
Optionally, the monitoring device further includes differential amplifier circuit and A/D conversion modules, the differential amplifier circuit
Input terminal is connect with the output end of the filter module, the output end of the differential amplifier circuit and the A/D conversion circuits
Input terminal connects, and the output end of the A/D conversion circuits is connect with the processing module.
Optionally, the monitoring device further includes phase-locked loop circuit, and the phase-locked loop circuit includes phase comparator, low pass
The output end of filter, voltage controlled oscillator and programmable logic device, the phase comparator passes through the low-pass filter
It is connect afterwards with the input terminal of the voltage controlled oscillator, the output end point of the output end of the filter module and the voltage controlled oscillator
Do not connect with the input terminal of the phase comparator, the output end of the voltage controlled oscillator after the programmable logic device with
The differential amplifier circuit connection.
Optionally, the monitoring device further includes LED display module, and the LED display module connects with the processing module
It connects, the Leakage Current signal and voltage signal for receiving the processing module transmission are simultaneously shown.
The embodiment of the present application also provides a kind of arrester monitoring system warned with acousto-optic, including exterior terminal equipment and
Above-mentioned monitoring device, the communication module that the exterior terminal equipment includes with the monitoring device communicate, and receive the communication
The warning signal that module is sent.
The lightning arrester monitoring device provided by the embodiments of the present application warned with acousto-optic and system, by current collector and
Voltage collector acquires the Leakage Current signal and voltage signal of arrester respectively, and is sent out after being filtered of filtered module
It send to processing module, processing module handles the Leakage Current signal and voltage signal that receive, and believes in Leakage Current
Number or voltage signal be more than setting when, obtain warning signal, and warning signal is sent to module of warning and is warned, and also
Warning signal can be sent to exterior terminal equipment by communication module, to notify the exception feelings of staff's arrester
Condition, to realize the real time monitoring to arrester and warn in time.
Description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described.It should be appreciated that the following drawings illustrates only certain embodiments of the present invention, therefore it is not construed as pair
The restriction of range for those of ordinary skill in the art without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is the structure diagram of the lightning arrester monitoring device provided in an embodiment of the present invention warned with acousto-optic.
Fig. 2 is the structure diagram that the arrester provided in an embodiment of the present invention warned with acousto-optic monitors system.
Fig. 3 is another structure diagram of the lightning arrester monitoring device provided in an embodiment of the present invention warned with acousto-optic.
Fig. 4 is the circuit diagram of operation counter provided in an embodiment of the present invention.
Fig. 5 is another circuit diagram of operation counter provided in an embodiment of the present invention.
Fig. 6 is another structure diagram of the lightning arrester monitoring device provided in an embodiment of the present invention warned with acousto-optic.
Icon：10- monitors system；100- monitoring devices；110- current collectors；120- voltage collectors；130- is filtered
Module；140- processing modules；150- warns module；160- communication modules；170- Temperature Humidity Sensor groups；180- movement countings
Device；190- shading rings；210- differential amplifier circuits；220-A/D conversion modules；231- phase comparators；232- low-pass filters；
233- voltage controlled oscillators；234- programmable logic device；240-LED display modules；200- exterior terminal equipment.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes.Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Usually
The component for the embodiment of the present invention being described and illustrated herein in the accompanying drawings can be arranged and be designed with a variety of different configurations.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Range, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
The every other embodiment obtained under the premise of going out creative work, shall fall within the protection scope of the present invention.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
Referring to Fig. 1, for a kind of lightning arrester monitoring device 100 warned with acousto-optic provided by the embodiments of the present application, institute
It includes current collector 110, voltage collector 120, filter module 130, processing module and module of warning to state monitoring device 100
150, wherein the module 150 of warning includes buzzing telltale, voice telltale and photoelectricity telltale.
The current collector 110 is connect with the arrester, for by the current measurement circuit of the arrester
Connecting wire acquire the Leakage Current signal of the arrester.The voltage collector 120 is connect with the arrester, is used for
Obtain the voltage signal of the arrester.The filter module 130 is used to receive the leakage electricity of the transmission of the current collector 110
The voltage signal that signal and the voltage collector 120 are sent is flowed, and the Leakage Current signal the and described voltage is believed
It is sent to the processing module 140 after number being filtered.The processing module 140 receives the transmission of the filter module 130
Leakage Current signal and voltage signal, and be more than that setting electric current value or the voltage are believed in the Leakage Current signal
Number be more than setting voltage value when, generate corresponding warning signal.And by the warning signal be sent to the communication module 160 with
And module 150 of warning.
Buzzing telltale, voice telltale and the photoelectricity telltale that the module 150 of warning includes are respectively according to
Warning signal is warned.
In addition, referring to Fig. 2, on the basis of the above, the embodiment of the present application also provides a kind of lightning-arrest with sound-light alarm
Device monitors system 10, and the monitoring system 10 includes exterior terminal equipment 200 and multiple above-mentioned monitoring devices 100, described
Exterior terminal equipment 200 is communicated to connect with the communication module 160 in each monitoring device 100, and the communication module 160 is connecing
After the warning signal for receiving the transmission of the processing module 140, the warning signal is forwarded to the exterior terminal equipment 200.
Wherein, the exterior terminal equipment 200 can be smart mobile phone or tablet computer etc., can so staff be facilitated to look at any time
Monitoring information is ask, although failure caused by being unable to real-time query so as to avoid real-time monitoring, therefore with monitoring letter
The advantages of breath is inquired conveniently and can be checked at any time.
In the present embodiment, the current collector 110 can be centre path current sensor, exchange input impedance compared with
Small, only the resistance of conducting wire, Leakage Current can be fully incorporated.Current measurement accuracy is ± (5%+5 μ A).When installation
The outer container of stainless steel can be arranged in centre path current sensor external, in this way, it is waterproof sun-proof, it is easily mounted on different substations
Scene.Optionally, in the present embodiment, the model of the voltage collector 120 can be JDZ-10Q, 10JDZF7-10GYW1 etc..
The processing module 140 can select STM32 microcontrollers, such as the microcontroller of model STM32F107VCT6.It should
The microcontroller of model is a high-end product of industrial control field, is technologically advanced, powerful ARM chips, is had more
A 32 high-performance CPU timers, clock frequency support dynamic to change, and Resources on Chip autgmentability is strong, and processing speed is up to
72MHz。
The communication module 160 can be wireless communication module.Such as model SFM- can be selected in the buzzing telltale
The buzzer etc. of 27 or TMB12A05.The photoelectricity telltale can be warning lamp, and LTE-1101J, LTD- can be selected in model
The warning lamp of 1101J etc..It should be noted that wherein, the current collector 110, voltage collector 120, filter module
130, the connection between communication module 160, module of warning 150 and the processing module 140 is common connection in the prior art
Mode does not illustrate one by one in the present embodiment.
In addition, in order to monitor the environmental aspect of the arrester, referring to Fig. 3, the monitoring device 100 further includes warm and humid
Sensor group 170 is spent, the Temperature Humidity Sensor group 170 is arranged at the varistor valve of the arrester.It is described warm and humid
Degree sensor group 170 is connect with the processing module 140, can be used for detecting the temperature value and humidity at the varistor valve
Value, and the temperature value detected and humidity value are sent to the processing module 140.The processing module 140 can be to receiving
Temperature value and humidity value carry out analyzing processing, whether the temperature and humidity to detect arrester there is exception.Similarly, if its
There is exception in temperature value and humidity value, then the processing module 140 can generate warning signal, and by warning, module 150 is shown
It is alert, and the abnormal signal is sent to by exterior terminal equipment 200 by communication module 160, to notify relevant staff.
In the present embodiment, the Temperature Humidity Sensor group 170 may include temperature sensor and humidity sensor, wherein
The concrete model of the temperature sensor and the humidity sensor is not restricted in the present embodiment, as long as can realize to institute
State the temperature detection and Humidity Detection of arrester.
In the present embodiment, the monitoring device 100 further includes operation counter 180, the operation counter 180 and institute
Arrester connection is stated, for acquiring the run action number of the arrester in real time, and by collected run action number
It is sent to the processing module 140.The processing module 140 can be by the communication module 160 by the run action number
It is sent to the exterior terminal equipment 200.So supervised in real time, it can be achieved that carrying out wireless remote to the situation of arrester number of lightning strokes
It surveys.In this way, once arrester is by lightning stroke, the mobile terminal of staff is warned receive that monitoring device 100 sends
Signal, to remind staff to repair.
Referring to Fig. 4, in an embodiment of the present embodiment, the operation counter 180 includes first resistor valve
Piece R1, second resistance valve block R1, the first capacitance C1 and the first inductance L1.One end of the first resistor valve block R1 is kept away with described
The connection of thunder device, other end ground connection, the first capacitance C1 is in parallel with the first resistor valve block R1, the second resistance valve block R2
It is connected between the first resistor valve block R1 and the first capacitance C1, the first inductance L1 and the first capacitance C1 is simultaneously
Connection.
When it is implemented, when lightning arrestor movement, discharge current flows through the first resistor valve block R1, in first electricity
The pressure drop on valve block R1 is hindered to charge to the first capacitance C1 after the second resistance valve block R2.The first capacitance C1 is right again
The first inductance L1 electric discharges, make it rotate and be counted.
In addition, referring to Fig. 5, in the another embodiment of the present embodiment, the operation counter 180 may include
Three resistor valve sheet R3, full-wave rectifier, the second capacitance C2 and the second inductance L2.One end of the 3rd resistor valve block R3 and institute
Arrester connection, other end ground connection are stated, the second capacitance C2 is in parallel with the 3rd resistor valve block R3, the full-wave rectifier
It is connected between the 3rd resistor valve block R3 and the second capacitance C2, the second inductance L2 and the second capacitance C2 is simultaneously
Connection.Wherein, the full-wave rectifier is full bridge rectifier, is made of four diodes (D1-D4).
Based on above structure, in the lightning arrestor movement, the pressure drop on the 3rd resistor valve block R3 is through the all-wave
It charges to the second capacitance C2 after rectifier, then discharges to the second inductance L2, it is made to be counted.
Optionally, referring to Fig. 3, in the present embodiment, the monitoring device 100 further includes shading ring 190, described
Shading ring 190 is arranged on the arrester and is grounded.The Leakage Current that can be used for preventing the current collector 110 from monitoring
Signal is disturbed.Increase can further increase after shading ring 190 current collector 110 collected Leakage Current signal
Accuracy.
Referring to Fig. 6, in the present embodiment, the monitoring device 100 further includes that differential amplifier circuit 210 and A/D turn
Block 220 is changed the mold, the input terminal of the differential amplifier circuit 210 is connect with the output end of the filter module 130, and the difference is put
The output end of big circuit 210 is connect with the input terminal of the A/D conversion circuits, the output end of the A/D conversion circuits with it is described
Processing module 140 connects.After can be used for be filtered by setting differential amplifier circuit 210 and A/D conversion modules 220
Signal is amplified processing, and after being carried out analog-to-digital conversion, is sent to processing module 140 in order to point of processing module 140
Analysis is handled.
In addition, in the present embodiment, the monitoring device 100 further includes phase-locked loop circuit, the phase-locked loop circuit includes
Phase comparator 231, low-pass filter 232, voltage controlled oscillator 233 and programmable logic device 234.The phase comparator
231 output end is connect after the low-pass filter 232 with the input terminal of the voltage controlled oscillator 233.The filtering mould
The output end of the output end of block 130 and the voltage controlled oscillator 233 is connect with the input terminal of the phase comparator 231 respectively,
The output end of the voltage controlled oscillator 233 is connect after the programmable logic device 234 with the differential amplifier circuit 210.
In the present embodiment, it can realize Phase synchronization control by the way that phase-locked loop circuit is arranged, can realize the leakage of arrester
Two kinds of electrical signal phases of current signal and voltage signal are synchronous to be automatically controlled.By above-mentioned setting, voltage controlled oscillator 233 it is defeated
Outlet is connected to the input terminal of phase comparator 231, and the height of output signal frequency on the low-pass filter 232 by being arranged
Average voltage size determine.Apply the external input signal (filter module 130 of 231 another input terminal of phase comparator
The electric signal of output) it is compared with the output signal for carrying out voltage controlled oscillator 233, the error signal direct ratio that comparison result generates
In the phase difference of two signals.After filtering out high fdrequency component by low-pass filter 232, a mean voltage is obtained.This is flat
Equal threshold voltage changes towards the direction for the difference for reducing output frequency and inputting frequency, until output frequency and input frequency signal obtain
It obtains unanimously.In this way, the frequency of two signals is identical, two-phase potential difference is kept constant, and realizes Phase synchronization control.
In addition, in the present embodiment, the monitoring device 100 further includes LED display module 240, the LED display module
240 connect with the processing module 140, the Leakage Current signal for receiving the transmission of the processing module 140 and voltage letter
Number and shown.Also, after the processing module 140 generates warning signal, it also can receive the processing module 140 and send
Warning signal, and shown.In the present embodiment, the model of the LED display module 240 can be but not limited to,
The display screen of P10, P16 2R, P16 4R or P20 etc., the display screen of such model are applicable to outdoor environment, pel spacing
It is larger, brightness is high, can work in the sun, and have the function of windproof, rain-proof, waterproof etc..
In conclusion the embodiment of the present application provides a kind of lightning arrester monitoring device 100 warned with acousto-optic and system, lead to
Overcurrent collector 110 and voltage collector 120 acquire the Leakage Current signal and voltage signal of arrester respectively, and through filtering
It is sent to processing module 140 after being filtered of wave module 130, processing module 140 is to the Leakage Current signal and electricity that receive
Pressure signal is handled, and when Leakage Current signal or voltage signal are more than setting, obtains warning signal, and by warning signal
It is sent to module 150 of warning to warn, and warning signal can also be sent to exterior terminal by communication module 160 and set
Standby 200, to notify the abnormal conditions of staff's arrester, to realize the real time monitoring to arrester and show in time
It is alert.
In the description of the present invention, it is also necessary to which explanation is unless specifically defined or limited otherwise, term " setting ",
" connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected.Can be
Mechanical connection can also be electrical connection.It can be directly connected, can also can be indirectly connected through an intermediary two
Connection inside element.For the ordinary skill in the art, above-mentioned term can be understood in the present invention with concrete condition
In concrete meaning.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term "upper", "lower" is base
In orientation or positional relationship shown in the drawings or the invention product using when the orientation or positional relationship usually put, only
It is that for convenience of description of the present invention and simplification of the description, not indicating or implying the indicated device or element must have specifically
Orientation, with specific azimuth configuration and operation, therefore be not considered as limiting the invention.In addition, term " first ", " the
Two ", " third " etc. is only used for distinguishing description, is not understood to indicate or imply relative importance.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of lightning arrester monitoring device warned with acousto-optic, which is characterized in that the monitoring device include current collector,
Voltage collector, filter module, processing module, communication module and module of warning, the module of warning include buzzing telltale,
Voice telltale and photoelectricity telltale；
The current collector is connect with the arrester, is led for the connection in the current measurement circuit by the arrester
Line acquires the Leakage Current signal of the arrester；
The voltage collector is connect with the arrester, the voltage signal for obtaining the arrester；
The filter module is used to receive the Leakage Current signal that the current collector is sent and voltage collector hair
The voltage signal sent, and the Leakage Current signal and voltage signal are filtered, are sent to the processing after enhanced processing
Module；
The processing module receives the Leakage Current signal and voltage signal that the filter module is sent, and in the Leakage Current
When signal is more than that setting electric current value or the voltage signal are more than setting voltage value, corresponding warning signal is generated, and by institute
It states warning signal and is sent to the communication module and the module of warning；
The communication module is used to the warning signal being sent to exterior terminal equipment；
Buzzing telltale, voice telltale and the photoelectricity telltale that the module of warning includes are respectively according to the warning signal
It warns.
2. the lightning arrester monitoring device according to claim 1 warned with acousto-optic, which is characterized in that the monitoring device
Further include Temperature Humidity Sensor group, the Temperature Humidity Sensor group is arranged at the varistor valve of the arrester, described
Temperature Humidity Sensor group is connect with the processing module, for detecting temperature value and humidity value at the varistor valve,
And the temperature value and the humidity value are sent to the processing module.
3. the lightning arrester monitoring device according to claim 1 warned with acousto-optic, which is characterized in that the monitoring device
Further include operation counter, the operation counter is connect with the arrester, dynamic for acquiring the arrester operation in real time
Make number, and collected run action number is sent to the processing module, the processing module passes through the communication mould
The run action number is sent to the exterior terminal equipment by block.
4. the lightning arrester monitoring device according to claim 3 warned with acousto-optic, which is characterized in that the movement counting
Device includes first resistor valve block, second resistance valve block, the first capacitance and the first inductance, one end of the first resistor valve block with
The arrester connection, other end ground connection, first capacitance is in parallel with the first resistor valve block, the second resistance valve block
It is connected between the first resistor valve block and first capacitance, first inductance is in parallel with first capacitance.
5. the lightning arrester monitoring device according to claim 3 warned with acousto-optic, which is characterized in that the movement counting
Device includes 3rd resistor valve block, full-wave rectifier, the second capacitance and the second inductance, one end of the 3rd resistor valve block and institute
Arrester connection, other end ground connection are stated, second capacitance is in parallel with the 3rd resistor valve block, the full-wave rectifier series connection
Between the 3rd resistor valve block and second capacitance, second inductance is in parallel with second capacitance.
6. the lightning arrester monitoring device according to claim 1 warned with acousto-optic, which is characterized in that the monitoring device
Further include shading ring, the shading ring is arranged on the arrester and is grounded, for preventing the current collector from monitoring
Leakage Current signal it is disturbed.
7. the lightning arrester monitoring device according to claim 1 warned with acousto-optic, which is characterized in that the monitoring device
Further include differential amplifier circuit and A/D conversion modules, the output of the input terminal of the differential amplifier circuit and the filter module
End connection, the output end of the differential amplifier circuit are connect with the input terminal of the A/D conversion circuits, the A/D conversion circuits
Output end connect with the processing module.
8. the lightning arrester monitoring device according to claim 7 warned with acousto-optic, which is characterized in that the monitoring device
Further include phase-locked loop circuit, the phase-locked loop circuit includes phase comparator, low-pass filter, voltage controlled oscillator and may be programmed
The output end of logical device, the phase comparator connects after the low-pass filter with the input terminal of the voltage controlled oscillator
It connects, the output end of the output end of the filter module and the voltage controlled oscillator connects with the input terminal of the phase comparator respectively
It connects, the output end of the voltage controlled oscillator is connect after the programmable logic device with the differential amplifier circuit.
9. the lightning arrester monitoring device according to claim 1 warned with acousto-optic, which is characterized in that the monitoring device
Further include LED display module, the LED display module is connect with the processing module, is sent for receiving the processing module
Leakage Current signal and voltage signal and shown.
10. a kind of arrester monitoring system warned with acousto-optic, which is characterized in that including exterior terminal equipment and claim
Monitoring device described in 1-9 any one, the communication module that the exterior terminal equipment includes with the monitoring device are communicated, are connect
Receive the warning signal that the communication module is sent.
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| CN109765440A (en) * | 2018-12-27 | 2019-05-17 | 国网浙江诸暨市供电有限公司 | The sub- lightning current monitoring device of Intelligent insulation |
| CN111812396A (en) * | 2020-06-05 | 2020-10-23 | 深圳供电局有限公司 | Overvoltage counting circuit and lightning arrester system |
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