CN208459506U - 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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- CN208459506U CN208459506U CN201821196868.3U CN201821196868U CN208459506U CN 208459506 U CN208459506 U CN 208459506U CN 201821196868 U CN201821196868 U CN 201821196868U CN 208459506 U CN208459506 U CN 208459506U
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Abstract
The utility model embodiment 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 processing module is sent to after the filtering processing of filter 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 to the real time monitoring of arrester and warn in time.
Description
Technical field
The utility model relates to protection of arrester technical fields, supervise in particular to the arrester warned with acousto-optic
Survey apparatus and system.
Background technique
Arrester is the important primary equipment in power industry power generation, in substation (buck station) and route
Main function be injury of the other equipment of protection from lightning surge and system overvoltage surge.Present zinc oxide is lightning-arrest
There is no series gap, MOA always to have certain leakage current by valve block during running, thus can for device (MOA) overwhelming majority
Accelerating valve block aging --- dampness and aging are the basic reasons that MOA valve block poor quality is degenerated.With the high capacity of power equipment,
Towards Higher Voltage, structure diversification and sealingization, for conventional power failure preventive trial, traditional simple diagnostic method has seemed
Less adapt to, be mainly manifested in: with powering, reliable demand is continuously improved, and periodically electrical equipment has a power failure and carries out preventive trial
Become more and more difficult, be especially important substation and the case where exceeding the time limit to test usually occur, this is safe to electrical equipment is guaranteed
Stable operation leaves certain hidden danger.
Judge the detection means leaked under arrester operation conditions at present, be live detection is done 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 all datas such as leakage current of an arrester at any time, real
When grasp arrester health status development trend, prevent security risk, finally completely replace lightning arrester live-line test work, protect
Card safe operation, reduces labor intensity, improves working efficiency.
Utility model content
In view of this, the purpose of the utility model embodiment is, a kind of arrester monitoring warned with acousto-optic is provided
Apparatus 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, for obtaining the voltage signal of the arrester；
The filter module is used to receive 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 and humidity value at resistor valve sheet, 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 communication module by the processing module.
Optionally, the operation counter includes first resistor valve block, second resistance valve block, first capacitor and the first electricity
Sense, one end of the first resistor valve block is connect with the arrester, the other end is grounded, the first capacitor 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 the first capacitor, and described first
Inductance is in parallel with the first capacitor.
Optionally, the operation counter includes 3rd resistor valve block, full-wave rectifier, the second capacitor and the second electricity
Sense, one end of the 3rd resistor valve block is connect with the arrester, the other end is grounded, second capacitor 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 capacitor, second electricity
Feel in parallel with second capacitor.
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 module, 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 circuit
Input terminal connection, the output end of the A/D conversion circuit are 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 and the processing module connect
It connects, for receiving leakage current signal and voltage signal that the processing module is sent and being shown.
The embodiment of the present application also provide it is a kind of warn with acousto-optic arrester monitoring system, including exterior terminal equipment and
The communication module that above-mentioned monitoring device, the exterior terminal equipment and the monitoring device include communicates, and receives 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 sends out after the filtering processing of filter 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 to the real time monitoring of arrester and warn in time.
Detailed description of the invention
It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment
Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by
Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also
To obtain other relevant attached drawings according to these attached drawings.
Fig. 1 is the structural block diagram of the lightning arrester monitoring device provided by the embodiment of the utility model warned with acousto-optic.
Fig. 2 is the structural block diagram that the arrester provided by the embodiment of the utility model warned with acousto-optic monitors system.
Fig. 3 is another structural frames of the lightning arrester monitoring device provided by the embodiment of the utility model warned with acousto-optic
Figure.
Fig. 4 is the circuit diagram of operation counter provided by the embodiment of the utility model.
Fig. 5 is another circuit diagram of operation counter provided by the embodiment of the utility model.
Fig. 6 is another structural frames of the lightning arrester monitoring device provided by the embodiment of the utility model warned with acousto-optic
Figure.
Icon: 10- monitors system；100- monitoring device；110- current collector；120- voltage collector；130- filtering
Module；140- processing module；150- warns module；160- communication module；170- Temperature Humidity Sensor group；180- movement counting
Device；190- shading ring；210- differential amplifier circuit；220-A/D conversion module；231- phase comparator；232- low-pass filter；
233- voltage controlled oscillator；234- programmable logic device；240-LED display module；200- exterior terminal equipment.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be with a variety of different configurations
To arrange and design.Therefore, below the detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit
The range of claimed invention processed, but it is merely representative of the selected embodiment of the utility model.It is practical new based on this
The embodiment of type, those skilled in the art's every other embodiment obtained without making creative work,
It fall within the protection scope of the utility model.
It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.
Referring to Fig. 1, being a kind of lightning arrester monitoring device 100 warned with acousto-optic provided by the embodiments of the present application, institute
Monitoring device 100 is stated to include current collector 110, voltage collector 120, filter module 130, processing module module and warn
Module 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
In the voltage signal for obtaining the arrester.The filter module 130 is used to receive letting out for the transmission of current collector 110
The voltage signal that leakage current signal and the voltage collector 120 are sent, and to the leakage current signal the and described electricity
Pressure signal is sent to the processing module 140 after being filtered.The processing module 140 receives the filter module 130
The leakage current signal and voltage signal of transmission, and be more than setting electric current value or the electricity in the leakage current signal
When signal being pressed to be more than setting voltage value, corresponding warning signal is generated.And the warning signal is sent to the communication module
160 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
Communication module 160 in exterior terminal equipment 200 and each monitoring device 100 communicates to connect, and the communication module 160 is connecing
After receiving the warning signal that the processing module 140 is sent, the warning signal is forwarded to the exterior terminal equipment 200.
Wherein, the exterior terminal equipment 200 can be smart phone or tablet computer etc., can so staff be facilitated to look at any time
Monitoring information is ask, although being unable to failure caused by real-time query so as to avoid real-time monitoring, therefore there is 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 the settable stainless steel of 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 single-chip microcontroller, such as the single-chip microcontroller of model STM32F107VCT6.
The single-chip microcontroller of the model is a high-end product of industrial control field, is technologically advanced, powerful ARM chip, has
Multiple 32 high-performance CPU timers, clock frequency support dynamic to change, and Resources on Chip scalability 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 temperature
Humidity sensor group 170, the Temperature Humidity Sensor group 170 are arranged at the varistor valve of the arrester.The temperature
Humidity sensor group 170 is connect with the processing module 140, can be used for detecting temperature value at the varistor valve and wet
Angle value, and the temperature value and humidity value that will test are sent to the processing module 140.The processing module 140 can be to reception
To temperature value and humidity value be analyzed and processed, to detect whether the temperature and humidity of arrester exception occurs.Similarly, if
There is exception in its temperature value and humidity value, then the processing module 140 can generate warning signal, pass through module 150 of warning and carry out
It warns, and the abnormal signal is sent to by exterior terminal equipment 200 by communication module 160, to notify relevant work people
Member.
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 in the present embodiment with no restriction, as long as can be realized 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, with the run action number for acquiring 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.Once the mobile terminal of staff is warned receive that monitoring device 100 sends in this way, arrester is by lightning stroke
Signal, to remind staff to repair.
Referring to Fig. 4, the operation counter 180 includes first resistor valve in an embodiment of the present embodiment
Piece R1, second resistance valve block R1, first capacitor 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 capacitor C1 is in parallel with the first resistor valve block R1, the second resistance valve block
R2 is connected between the first resistor valve block R1 and the first capacitor C1, the first inductance L1 and the first capacitor C1
It is in parallel.
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 after the second resistance valve block R2 to the first capacitor C1.The first capacitor C1 is right again
The first inductance L1 electric discharge, makes 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
3rd resistor valve block R3, full-wave rectifier, the second capacitor C2 and the second inductance L2.One end of the 3rd resistor valve block R3 with
The arrester connection, other end ground connection, the second capacitor C2 is in parallel with the 3rd resistor valve block R3, the full-wave rectification
Device is connected between the 3rd resistor valve block R3 and the second capacitor C2, the second inductance L2 and the second capacitor C2
It is in parallel.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 after rectifier to the second capacitor C2, then discharges to the second inductance L2, count it.
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 circuit, the output end of the A/D conversion circuit 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 module 220
Signal amplifies 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 processing.
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, Phase synchronization control can be realized by the way that phase-locked loop circuit is arranged, can be realized the leakage of arrester
The current signal automatic control synchronous with two kinds of electrical signal phases of voltage signal.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 low-pass filter 232 filters out high fdrequency component, a mean voltage is being 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, for receiving the leakage current signal and voltage letter that the processing module 140 is sent
Number and shown.Also, after the processing module 140 generates warning signal, it also can receive the processing module 140 and send out
The warning signal sent, 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 radix saposhnikoviae, 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,
It acquires the leakage current signal and voltage signal of arrester respectively by current collector 110 and voltage collector 120, and passes through
Be sent to processing module 140 after the filtering processing of filter module 130, processing module 140 to the leakage current signal received and
Voltage signal is handled, and when leakage current signal or voltage signal are more than setting, obtains warning signal, and the letter that will warn
Number being sent to module 150 of warning warns, and warning signal can also be sent to exterior terminal by communication module 160
Equipment 200, to notify the abnormal conditions of staff's arrester, to realize to the real time monitoring of arrester and show in time
It is alert.
In the description of the present invention, it should also be noted that, unless otherwise clearly defined and limited, term " is set
Set ", " 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.It can
To be mechanical connection, it is also possible to be electrically connected.It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in utility model.
In the description of the present invention, it should be noted that the orientation or positional relationship of the instructions such as term " on ", "lower"
For be based on the orientation or positional relationship shown in the drawings or the utility model product using when the orientation or position usually put
Relationship is merely for convenience of describing the present invention and simplifying the description, rather than the device or element of indication or suggestion meaning must
There must be specific orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.This
Outside, term " first ", " second ", " third " etc. are only used for distinguishing description, are not understood to indicate or imply relative importance.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
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, for obtaining the voltage signal of 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
It 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
It 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, first capacitor and the first inductance, one end of the first resistor valve block with
The arrester connection, other end ground connection, the first capacitor is in parallel with the first resistor valve block, the second resistance valve block
It is connected between the first resistor valve block and the first capacitor, first inductance is in parallel with the first capacitor.
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 capacitor and the second inductance, one end of the 3rd resistor valve block and institute
Arrester connection, other end ground connection are stated, second capacitor is in parallel with the 3rd resistor valve block, the full-wave rectifier series connection
Between the 3rd resistor valve block and second capacitor, second inductance is in parallel with second capacitor.
6. the lightning arrester monitoring device according to claim 1 warned with acousto-optic, which is characterized in that the monitoring device
It 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
It further include differential amplifier circuit and A/D conversion module, 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 circuit, the A/D conversion circuit
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
It further include phase-locked loop circuit, the phase-locked loop circuit includes phase comparator, low-pass filter, voltage controlled oscillator and may be programmed
Logical device, the output end of the phase comparator connect 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
It 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
The communication module that monitoring device described in 1-9 any one, the exterior terminal equipment and the monitoring device include communicates, and connects
Receive the warning signal that the communication module is sent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821196868.3U CN208459506U (en) | 2018-07-26 | 2018-07-26 | The lightning arrester monitoring device and system warned with acousto-optic |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821196868.3U CN208459506U (en) | 2018-07-26 | 2018-07-26 | The lightning arrester monitoring device and system warned with acousto-optic |
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| CN208459506U true CN208459506U (en) | 2019-02-01 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108710048A (en) * | 2018-07-26 | 2018-10-26 | 云南电网有限责任公司曲靖供电局 | The lightning arrester monitoring device and system warned with acousto-optic |
| CN112269142A (en) * | 2020-08-31 | 2021-01-26 | 广东电网有限责任公司 | Lightning arrester detection device and detection method |
-
2018
- 2018-07-26 CN CN201821196868.3U patent/CN208459506U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108710048A (en) * | 2018-07-26 | 2018-10-26 | 云南电网有限责任公司曲靖供电局 | The lightning arrester monitoring device and system warned with acousto-optic |
| CN112269142A (en) * | 2020-08-31 | 2021-01-26 | 广东电网有限责任公司 | Lightning arrester detection device and detection method |
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