CN208459507U - Arrester online monitoring system - Google Patents
Arrester online monitoring system Download PDFInfo
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- CN208459507U CN208459507U CN201821196902.7U CN201821196902U CN208459507U CN 208459507 U CN208459507 U CN 208459507U CN 201821196902 U CN201821196902 U CN 201821196902U CN 208459507 U CN208459507 U CN 208459507U
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- 238000004891 communication Methods 0.000 claims abstract description 32
- 238000003745 diagnosis Methods 0.000 claims abstract description 8
- 230000003750 conditioning Effects 0.000 claims description 24
- 230000000007 visual effect Effects 0.000 claims description 5
- 230000005611 electricity Effects 0.000 claims description 3
- 238000001914 filtration Methods 0.000 claims description 2
- 235000019800 disodium phosphate Nutrition 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000001131 transforming Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006011 modification reaction Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000001808 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
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- 238000002955 isolation Methods 0.000 description 1
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- 230000000505 pernicious Effects 0.000 description 1
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R29/00—Arrangements for measuring or indicating electric quantities not covered by groups G01R19/00 - G01R27/00
- G01R29/08—Measuring electromagnetic field characteristics
- G01R29/0807—Measuring electromagnetic field characteristics characterised by the application
- G01R29/0814—Field measurements related to measuring influence on or from apparatus, components or humans, e.g. in ESD, EMI, EMC, EMP testing, measuring radiation leakage; detecting presence of micro- or radiowave emitters; dosimetry; testing shielding; measurements related to lightning
- G01R29/0842—Measurements related to lightning, e.g. measuring electric disturbances, warning systems
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
- G05B19/0428—Safety, monitoring
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2604—Test of external equipment
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/20—Pc systems
- G05B2219/26—Pc applications
- G05B2219/2642—Domotique, domestic, home control, automation, smart house
Abstract
The utility model relates to arrester monitoring technical fields, more particularly to a kind of arrester online monitoring system, including host computer, overlayer monitors host and local monitoring device, local monitoring device passes through setting temperature sensor, voltage signal collector, current signal collector, processor and communication module, temperature sensor, current signal collector and voltage signal collector are connect with arrester respectively, to acquire the temperature value of arrester, current signal and voltage signal, processor and temperature sensor, voltage signal collector, current signal collector and communication module are electrically connected to receive temperature value, current signal and voltage signal are simultaneously sent to overlayer monitors host by communication module, so that the temperature value that overlayer monitors host sends local monitoring device, current signal and voltage signal carry out fault diagnosis and obtain To diagnostic result, and send supreme position machine.By above-mentioned setting, arrester progress is reliably monitored in real time with realizing.
Description
Technical field
The utility model relates to arrester monitoring technical fields, in particular to a kind of arrester online monitoring system.
Background technique
As power transmission and transformation equipment state evaluation and repair based on condition of component work and current smart grid are carried out in electric system comprehensively
Building-up work is in full swing, and the on-line monitoring work for carrying out power transmission and transformation primary equipment has been an extremely urgent job.
Arrester is widely used a kind of power transmission and transformation primary equipment in electric system, is the important mistake in electric system
Voltage protection.Since arrester has good nonlinear resistance property, so being very close to each other inside arrester.Exactly
Due to very close to each other, valve block bears the effect and internal wetted or mistake of Operation of Electric Systems voltage for a long time in normal operation
The influence of the factors such as heat be easy to cause the deterioration of valve block nonlinear resistance property.The main performance of this deterioration is normal voltage
Under current in resistance property increase, the increasing of current in resistance property will cause the increase of calorific value, then leads to arrester internal temperature
Rise, the rising of temperature can then accelerate the aging of valve block, thus formed it is pernicious follow bad, finally result in arrester and damaged due to overheat
It is bad, the explosion of arrester is possibly even caused when serious, then causes large area blackout.
It is therefore proposed that it is a kind of can reliable, device that easily arrester is monitored on-line, be skill urgently to be resolved
Art problem.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of arrester online monitoring systems, on being effectively relieved
State technical problem.
To achieve the above object, the utility model embodiment adopts the following technical scheme that
A kind of arrester online monitoring system, including host computer, overlayer monitors host and local monitoring device, the local
Monitoring device includes temperature sensor, voltage signal collector, current signal collector, processor and communication module；
The temperature sensor, current signal collector and voltage signal collector are connect with arrester respectively, to adopt
Collect the temperature value, current signal and voltage signal of the arrester, the processor and the temperature sensor, voltage signal
Collector, current signal collector and communication module are electrically connected to receive the temperature value, current signal and voltage letter
Number and the overlayer monitors host is sent to by the communication module so that the overlayer monitors host can be according to described
Temperature value, current signal and the voltage signal that ground monitoring device is sent carry out fault diagnosis to obtain diagnostic result, and send
To the host computer.
Optionally, in above-mentioned arrester online monitoring system, the current signal collector includes current transformer,
One isolating amplifier circuit, the first bandwidth-limited circuit and the first signal conditioning circuit, the current transformer are taken shelter from the thunder with described
The ground terminal connection of device is to acquire the leakage current of the arrester, and the current transformer, the first isolating amplifier circuit, the
One bandwidth-limited circuit and the first signal conditioning circuit be sequentially connected after is electrically connected with the processor, the leakage current according to
It is secondary to be obtained after the processing of current transformer, the first isolating amplifier circuit, the first bandwidth-limited circuit and the first signal conditioning circuit
To the current signal and it is sent to the processor；
The voltage signal collector include: voltage transformer, the second isolating amplifier circuit, the second bandwidth-limited circuit with
And second signal conditioning circuit, the voltage transformer are connect to acquire the phase of the arrester with the power end of the arrester
Voltage, and the voltage transformer, the second isolating amplifier circuit, the second bandwidth-limited circuit and second signal conditioning circuit according to
It is electrically connected after secondary connection with the processor, the phase voltage is successively filtered by second isolating amplifier circuit, the second band logical
The voltage signal is obtained after wave circuit and the processing of second signal conditioning circuit.
Optionally, in above-mentioned arrester online monitoring system, first bandwidth-limited circuit and the second bandpass filtering
Circuit includes CD4060 frequency divider and MAX267 filter.
Optionally, in above-mentioned arrester online monitoring system, the local monitoring device further includes discharge counter, institute
The ground terminal and the processor for stating discharge counter and the arrester are electrically connected.
Optionally, in above-mentioned arrester online monitoring system, the local monitoring device further includes solar battery, institute
Solar battery is stated to be electrically connected respectively with the temperature sensor, voltage signal collector, current signal collector and processor
It connects.
Optionally, in above-mentioned arrester online monitoring system, the arrester online monitoring system further includes alarm,
The alarm is electrically connected with the overlayer monitors host.
Optionally, in above-mentioned arrester online monitoring system, the alarm includes combined aural and visual alarm and SMS alarm
Device, the combined aural and visual alarm and Short message alarm are electrically connected with the processor respectively.
Optionally, in above-mentioned arrester online monitoring system, the processor uses DSP processing module, communication module
Including CAN communication module.
Optionally, in above-mentioned arrester online monitoring system, the local monitoring device further includes detection ambient humidity
Humidity sensor, the humidity sensor is electrically connected with the processor.
The utility model also provides another arrester online monitoring system, is characterized in that, including host computer, overlayer monitors
Host and local monitoring device, the local monitoring device include temperature sensor, voltage signal collector, current signal acquisition
Device, processor and communication module；
The temperature sensor is set to arrester to detect the temperature value of the arrester, the current signal collector with
The ground terminal of the arrester is connected to acquire the current signal of the ground terminal, and the voltage signal collector is three, and point
It is not electrically connected with the A phase of the arrester, B phase and C phase to acquire the voltage signal of each phase, the processor and the temperature
Degree sensor, current signal collector, communication module and each voltage signal collector are electrically connected to receive the temperature
Value, the voltage signal of current signal and each phase are simultaneously sent to the overlayer monitors host by the communication module, so that institute
It states overlayer monitors host and event is carried out to the voltage signal of temperature value, current signal and each phase that the local monitoring device is sent
Barrier diagnosis obtains diagnostic result, and is sent to the host computer.
A kind of arrester on-line monitoring system provided by the embodiment of the utility model, including host computer, overlayer monitors host
With local monitoring device, local monitoring device by setting temperature sensor, voltage signal collector, current signal collector,
Processor and communication module, with when being monitored on-line to arrester, the temperature sensor, current signal collector with
And voltage signal collector is connect with arrester respectively, to acquire temperature value, current signal and the voltage letter of the arrester
Number, the processor is electrically connected respectively with the temperature sensor, voltage signal collector, current signal collector and communication module
It connects to receive the temperature value, current signal and voltage signal and be sent to the overlayer monitors master by the communication module
Machine so that the overlayer monitors host temperature value, current signal and voltage signal that the local monitoring device is sent into
Row fault diagnosis obtains diagnostic result, and is sent to the host computer.And then it realizes and arrester progress is reliably monitored in real time.
To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, preferred embodiment is cited below particularly, and
Cooperate appended attached drawing, is described in detail below.
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 understood 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 shows a kind of connection block diagram of arrester online monitoring system provided by the embodiment of the utility model.
Fig. 2 shows a kind of connection block diagrams of local monitoring device provided by the embodiment of the utility model.
Fig. 3 shows a kind of connection block diagram of current signal collector packet provided by the embodiment of the utility model.
Fig. 4 shows a kind of connection block diagram of voltage signal collector packet provided by the embodiment of the utility model.
Fig. 5 shows a kind of another connection block diagram of local monitoring device provided by the embodiment of the utility model.
Icon: 10- arrester online monitoring system；The local 100- monitoring device；110- temperature sensor；120- electric current
Signal picker；122- current transformer；The first isolating amplifier circuit of 124-；The first bandwidth-limited circuit of 126-；128- first
Signal conditioning circuit；130- voltage signal collector；132- voltage transformer；The second isolating amplifier circuit of 134-；136- second
Bandwidth-limited circuit；138- second signal conditioning circuit；140- processor；150- communication module；160- discharge counter；170-
Humidity sensor；180- solar battery；200- overlayer monitors host；300- host computer；400- alarm.
Specific embodiment
It is practical new below in conjunction with this to keep the objectives, technical solutions, and advantages of the embodiments of the present invention clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described, it is clear that is retouched
The embodiment stated is a part of the embodiment of the utility model, instead of all the embodiments.Usually retouched in attached drawing here
The component of the utility model embodiment stated and shown can be arranged and be designed with a variety of different configurations.
Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below
The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Based in the utility model
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the range of the utility model protection.
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.
In the description of the present invention, unless otherwise clearly defined and limited, term " setting ", " connected ", " company
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, two members can also be can be indirectly connected through an intermediary
Connection inside part.For the ordinary skill in the art, it can understand that above-mentioned term is practical new at this with concrete condition
Concrete meaning in type.
Incorporated by reference to Fig. 1 and Fig. 2, the utility model provides a kind of arrester online monitoring system 10, comprising: host computer
300, overlayer monitors host 200 and local monitoring device 100, the host computer 300 and local monitoring device 100 respectively with institute
State the communication connection of overlayer monitors host 200.
Wherein, the host computer 300 can be mobile phone, computer or plate etc., and the overlayer monitors host 200 can be meter
Calculation machine or server, are not specifically limited herein.It is appreciated that in the present embodiment, the local monitoring device 100 can be
One, or multiple.When local monitoring device 100 is multiple, each local monitoring device 100 respectively corresponds one and keeps away
Thunder device.And then it can be achieved at the same time the arrester online monitoring system 10 and multiple arresters monitored on-line.
In the present embodiment, the local monitoring device 100 include temperature sensor 110, voltage signal collector 130,
Current signal collector 120, processor 140 and communication module 150.The temperature sensor 110, current signal collector
120 and voltage signal collector 130 connect respectively with arrester, with acquire temperature value, the current signal of the arrester with
And voltage signal, the processor 140 and the temperature sensor 110, voltage signal collector 130, current signal collector
120 and communication module 150 be electrically connected to receive the temperature value, current signal and voltage signal and by described logical
Letter module 150 is sent to the overlayer monitors host 200, so that the overlayer monitors host 200 is to the local monitoring device
100 temperature value, current signal and the voltage signals sent carry out fault diagnosis and obtain diagnostic result, and are sent to described upper
Machine 300.
By above-mentioned setting, with the realization when being monitored using above-mentioned arrester online monitoring system 10 to arrester
Real-time online detection.In addition, carrying out the detection knot that fault detection obtains according to the temperature value, current signal and voltage signal
Fruit is more accurate,
Wherein, the processor 140 may be a kind of IC chip, the processing capacity with signal.Above-mentioned place
Reason device can be general processor, including central processing unit (Central Processing Unit, CPU), network processing unit
(Network Processor, NP) etc..It can also be digital signal processor (DSP), specific integrated circuit (ASIC), scene
Programmable gate array (FPGA) either other programmable logic device, discrete gate or transistor logic, discrete hardware group
Part.The communication module 150 can be wireless communication module, can also be communication interface or bus, be not specifically limited.
Optionally, in the present embodiment, the processor 140 uses DSP processing module, and communication module 150 is logical including CAN
Believe module.
By above-mentioned setting, so that overlayer monitors host 200 controls each local monitoring device by CAN communication module
Optical fiber or shielded twisted pair can be used to do transmission medium for 100 working condition, and total interface is all made of Phototube Coupling, guarantee
There is no electrical link between each section, solve the problems, such as anti-interference, shock resistance etc., it is ensured that the arrester is supervised online
The stable operation in the case where not interfering with environment of control system 10.
The model of the temperature sensor 110 is not specifically limited herein, as long as the temperature in arrester can be detected effectively
Degree.The current signal collector 120 can include but is not limited to current acquisition module, isolating amplifier circuit, band logical filter
Wave circuit and signal conditioning circuit, the voltage signal collector 130 can include but is not limited to voltage acquisition module, isolation
Amplifying circuit, bandwidth-limited circuit and signal conditioning circuit.
Incorporated by reference to Fig. 3, optionally, in the present embodiment, the current signal collector 120 include current transformer 122,
First isolating amplifier circuit 124, the first bandwidth-limited circuit 126 and the first signal conditioning circuit 128, the current transformer
122 connect to acquire the leakage current of the arrester, and the current transformer 122, with the ground terminal of the arrester
One isolating amplifier circuit 124, the first bandwidth-limited circuit 126 and the first signal conditioning circuit 128 be sequentially connected after with it is described
Processor 140 is electrically connected, and the leakage current is successively through current transformer 122, the first isolating amplifier circuit 124, the first band logical
The current signal is obtained after filter circuit 126 and the processing of the first signal conditioning circuit 128 and is sent to the processor
140。
Incorporated by reference to Fig. 4, the voltage signal collector 130 include voltage transformer 132, the second isolating amplifier circuit 134,
Second bandwidth-limited circuit 136 and second signal conditioning circuit 138, the electricity of the voltage transformer 132 and the arrester
Source is connected to acquire the phase voltage of the arrester, and the voltage transformer 132, the second isolating amplifier circuit 134, second
Bandwidth-limited circuit 136 and second signal conditioning circuit 138 are electrically connected after being sequentially connected with the processor 140, the phase
Voltage successively passes through second isolating amplifier circuit 134, the second bandwidth-limited circuit 136 and second signal conditioning circuit
The voltage signal is obtained after 138 processing.
Wherein, first isolating amplifier circuit 124 is sent to described first after amplifying processing to the leakage current
Bandwidth-limited circuit 126 is filtered, and is obtained with being transmitted to first signal conditioning circuit 128 after reduction interference with carrying out shaping
To current signal, and transmit it to processor 140.Second isolating amplifier circuit 134 amplifies the phase voltage
It is sent to second bandwidth-limited circuit 136 after processing to be filtered, to be transmitted to the second signal tune after reduction interference
It manages circuit 138 and obtains voltage signal to carry out shaping, and transmit it to processor 140.The processor 140 is to receiving
Current signal and voltage signal from the first signal conditioning circuit 128 and second signal conditioning circuit 138 are forwarded on described
Layer monitoring host computer 200 is to be analyzed, be calculated and be judged, to form monitoring data, once occur overvoltage or current leakage,
There is discharge current failure or the excessively high situation of temperature, the information of surge arrester failure can be obtained and prompted, wherein is described
Overlayer monitors host 200 may include display and memory module etc., so that the overlayer monitors host 200 carries out information and deposits
It stores up and shows, so that staff can be overhauled and be safeguarded based on the information of surge arrester failure.
Under normal conditions, the arrester is applied in the circuit of three-phase voltage, carries out further to ensure to phase voltage
The accuracy of obtained testing result is detected, optionally, in the present embodiment, the voltage signal collector 130 is three, and
It is electrically connected respectively with the A phase of the arrester, B phase and C phase to acquire the voltage signal of each phase.
The processor 140 and the temperature sensor 110, current signal collector 120, communication module 150 and each
Voltage signal collector 130 is electrically connected to receive the voltage signal of the temperature value, current signal and each phase and pass through
The communication module 150 is sent to the overlayer monitors host 200, so that the overlayer monitors host 200 is to the local prison
The voltage signal for surveying temperature value, current signal and each phase that device 100 is sent carries out fault diagnosis and obtains diagnostic result, concurrently
It send to the host computer 300.
Optionally, in the present embodiment, first bandwidth-limited circuit 126 and the second bandwidth-limited circuit 136 difference
Including CD4060 frequency divider and MAX267 filter.
It is realization when arrester breaks down, can effectively prompts staff, optionally, in the present embodiment, institute
Stating arrester online monitoring system 10 further includes alarm 400, and the alarm 400 is electrically connected with the overlayer monitors host 200
It connects.
Wherein, the alarm 400 can be but not limited to voice guard, light crossing-signal, combined aural and visual alarm and/or short
Believe alarm, it will be understood that when for Short message alarm, which can be associated with terminal device.
Optionally, in the present embodiment, the alarm 400 includes combined aural and visual alarm and Short message alarm, the acousto-optic
Alarm and Short message alarm are electrically connected with the processor 140 respectively.
It is optionally, in the present embodiment, described for the accuracy for further ensureing arrester checks result incorporated by reference to Fig. 5
Local monitoring device 100 further includes discharge counter 160, ground terminal and institute of the discharge counter 160 with the arrester
Processor 140 is stated to be electrically connected.
Specifically, the discharge counter 160 can be electrically connected by collector with the processor 140, the acquisition
Device is used to acquire the recording and sending of the discharge counter 160 in real time to the processor 140, and the processor 140 is connecing
The overlayer monitors host 200 is sent to when receiving the record, so that the overlayer monitors host 200 can be based on described
Record detects the working condition of the arrester, and then the working condition based on the arrester judges whether the arrester is former
Barrier.
To avoid because of such environmental effects diagnostic result, and then further ensure the standard of the diagnostic result of the arrester of acquisition
True property, in the present embodiment, the local monitoring device 100 further include detecting the humidity sensor 170 of ambient humidity, described wet
Degree sensor 170 is electrically connected with the processor 140.
Each electronic device in the local monitoring device 100 is powered to realize, the local monitoring device 100
It may include battery, it can also be with external mains supply.Optionally, in the present embodiment, the local monitoring device 100 is also wrapped
Include solar battery 180, the solar battery 180 and the temperature sensor 110, voltage signal collector 130, electric current
Signal picker 120 and processor 140 are electrically connected.
To sum up, a kind of arrester online monitoring system 10 provided by the utility model, including host computer 300, overlayer monitors
Host 200 and local monitoring device 100, local monitoring device 100 pass through setting temperature sensor 110, voltage signal collector
130, current signal collector 120, processor 140 and communication module 150, system is being monitored online using above-mentioned arrester
Real-time online detection is realized when 10 pairs of arresters of uniting are monitored.In addition, being believed according to the temperature value, current signal and voltage
It is more accurate number to carry out the obtained testing result of fault detection.Further, pass through setting humidity sensor 170 and electric discharge
Counter 160 is further to ensure the accuracy of testing result.
Obviously, those skilled in the art should be understood that the function of above-mentioned the utility model embodiment can be with general
Computing device realize that they can be concentrated on a single computing device, or be distributed in multiple computing devices and formed
Network on, optionally, the existing program code or algorithm that they can be can be performed with computing device be realized, it is thus possible to
It is stored in storage device and is performed by computing device, or they are fabricated to each integrated circuit modules,
Or single integrated circuit module is maked multiple modules or steps in them to realize.In this way, the function of the utility model
It is able to achieve and is not limited to any specific hardware and software combination.
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 arrester online monitoring system, which is characterized in that including host computer, overlayer monitors host and local monitoring dress
It sets, the local monitoring device includes temperature sensor, voltage signal collector, current signal collector, processor and leads to
Believe module；
The temperature sensor, current signal collector and voltage signal collector are connect with arrester respectively, to acquire
State the temperature value, current signal and voltage signal of arrester, the processor and the temperature sensor, voltage signal acquisition
Device, current signal collector and communication module are electrically connected to receive the temperature value, current signal and voltage signal simultaneously
It is sent to the overlayer monitors host by the communication module, so that the overlayer monitors host can be according to the local prison
It surveys temperature value, current signal and the voltage signal that device is sent and carries out fault diagnosis to obtain diagnostic result, and be sent to institute
State host computer.
2. arrester online monitoring system according to claim 1, which is characterized in that the current signal collector includes
Current transformer, the first isolating amplifier circuit, the first bandwidth-limited circuit and the first signal conditioning circuit, the Current Mutual Inductance
Device is connect to acquire the leakage current of the arrester with the ground terminal of the arrester, and the current transformer, first every
It is electrically connected after being sequentially connected from amplifying circuit, the first bandwidth-limited circuit and the first signal conditioning circuit with the processor,
The leakage current is successively through current transformer, the first isolating amplifier circuit, the first bandwidth-limited circuit and the first signal tune
The current signal is obtained after reason processing of circuit and is sent to the processor；
The voltage signal collector includes: voltage transformer, the second isolating amplifier circuit, the second bandwidth-limited circuit and
Binary signal conditioning circuit, the voltage transformer are connect to acquire the phase of arrester electricity with the power end of the arrester
Pressure, and the voltage transformer, the second isolating amplifier circuit, the second bandwidth-limited circuit and second signal conditioning circuit are successively
It is electrically connected after connection with the processor, the phase voltage successively passes through second isolating amplifier circuit, the second bandpass filtering
The voltage signal is obtained after circuit and the processing of second signal conditioning circuit.
3. arrester online monitoring system according to claim 2, which is characterized in that first bandwidth-limited circuit and
Second bandwidth-limited circuit includes CD4060 frequency divider and MAX267 filter.
4. arrester online monitoring system according to claim 1, which is characterized in that it is described local monitoring device further include
Discharge counter, the discharge counter are electrically connected with the ground terminal of the arrester and the processor.
5. arrester online monitoring system according to claim 1, which is characterized in that it is described local monitoring device further include
Solar battery, the solar battery and the temperature sensor, voltage signal collector, current signal collector and place
Reason device is electrically connected.
6. arrester online monitoring system according to claim 1, which is characterized in that the arrester online monitoring system
It further include alarm, the alarm is electrically connected with the overlayer monitors host.
7. arrester online monitoring system according to claim 6, which is characterized in that the alarm includes sound-light alarm
Device and Short message alarm, the combined aural and visual alarm and Short message alarm are electrically connected with the processor respectively.
8. arrester online monitoring system according to claim 1, which is characterized in that the processor is handled using DSP
Module, communication module include CAN communication module.
9. arrester online monitoring system according to claim 1, which is characterized in that it is described local monitoring device further include
The humidity sensor of ambient humidity is detected, the humidity sensor is electrically connected with the processor.
10. a kind of arrester online monitoring system, which is characterized in that including host computer, overlayer monitors host and local monitoring dress
It sets, the local monitoring device includes temperature sensor, voltage signal collector, current signal collector, processor and leads to
Believe module；
The temperature sensor is set to arrester to detect the temperature value of the arrester, the current signal collector with it is described
To acquire the current signal of the ground terminal, the voltage signal collector is three for the ground terminal connection of arrester, and respectively with
A phase, the B phase of the arrester are electrically connected to acquire the voltage signal of each phase with C phase, and the processor and the temperature pass
Sensor, current signal collector, communication module and each voltage signal collector are electrically connected to receive the temperature value, electricity
Stream signal and the voltage signal of each phase are simultaneously sent to the overlayer monitors host by the communication module, so that the upper layer
Monitoring host computer carries out fault diagnosis to the voltage signal of temperature value, current signal and each phase that the local monitoring device is sent
Diagnostic result is obtained, and is sent to the host computer.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821196902.7U CN208459507U (en) | 2018-07-26 | 2018-07-26 | Arrester online monitoring system |
| DE202019102778.9U DE202019102778U1 (en) | 2018-07-26 | 2019-05-16 | Online monitoring system for a lightning rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821196902.7U CN208459507U (en) | 2018-07-26 | 2018-07-26 | Arrester online monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208459507U true CN208459507U (en) | 2019-02-01 |
Family
ID=65179181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821196902.7U Active CN208459507U (en) | 2018-07-26 | 2018-07-26 | Arrester online monitoring system |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN208459507U (en) |
| DE (1) | DE202019102778U1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112684274A (en) * | 2021-01-11 | 2021-04-20 | 西南交通大学 | Lightning arrester reliability state assessment method under different air water contents |
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2018
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112684274A (en) * | 2021-01-11 | 2021-04-20 | 西南交通大学 | Lightning arrester reliability state assessment method under different air water contents |
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| DE202019102778U1 (en) | 2019-06-05 |
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