CN207335783U - Insulator state on-line monitoring system - Google Patents
Insulator state on-line monitoring system Download PDFInfo
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- CN207335783U CN207335783U CN201721527789.1U CN201721527789U CN207335783U CN 207335783 U CN207335783 U CN 207335783U CN 201721527789 U CN201721527789 U CN 201721527789U CN 207335783 U CN207335783 U CN 207335783U
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- 239000012212 insulator Substances 0.000 title claims abstract description 56
- 238000012544 monitoring process Methods 0.000 title claims abstract description 41
- 238000001514 detection method Methods 0.000 claims abstract description 27
- 230000005611 electricity Effects 0.000 claims abstract description 20
- 238000010295 mobile communication Methods 0.000 claims abstract description 15
- 239000002245 particle Substances 0.000 claims abstract description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims description 15
- 229910052710 silicon Inorganic materials 0.000 claims description 15
- 239000010703 silicon Substances 0.000 claims description 15
- 230000006698 induction Effects 0.000 claims description 6
- 101100365087 Arabidopsis thaliana SCRA gene Proteins 0.000 claims 1
- 101150105073 SCR1 gene Proteins 0.000 claims 1
- 101100134054 Saccharomyces cerevisiae (strain ATCC 204508 / S288c) NTG1 gene Proteins 0.000 claims 1
- 230000002045 lasting effect Effects 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000009413 insulation Methods 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 2
- 230000007423 decrease Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Abstract
A kind of insulator state on-line monitoring system provided by the utility model, including for monitoring detection unit, the processing unit for receiving detection unit output signal and the power supply unit for providing work electricity consumption to detection unit and processing unit of insulator state；The detection unit includes insulator leakage current detection circuit, air temperature sensor, air humidity sensor, baroceptor and airborne suspended particle sensor；The processing unit includes central processing circuit, toggle switch and mobile communication module, the central processing circuit is connected with toggle switch, the signal input part of the central processing circuit and the output terminal of detection unit connect, and the central processing circuit is connected with mobile communication module and sends detection information to distance host by mobile communication module；Lasting monitoring can be carried out to the environment residing for the leakage current and insulator of insulator and upload to monitoring center in real time, and the work electricity consumption of monitoring system can obtain powerful guarantee, so as to ensure the continuation to insulator state monitoring data, judge to provide objective and accurate reference data for final Insulators Used.
Description
Technical field
It the utility model is related to a kind of power monitoring system, more particularly to a kind of insulator state on-line monitoring system.
Background technology
Insulator is as one of the ost important components in electric system, and guarantor is provided for the continual and steady operation of electric system
Barrier.But insulator can be influenced be subject to environment in actual use, for example the suspended particulate of the humiture of air, air is dense
Degree, air pressure etc. influence, so as to cause the decreasing insulating of insulator, so as to injure the component for being arranged on insulator both ends
Safety, and then the stable operation of whole electric system is influenced, it is accurate and lasting therefore, it is necessary to be carried out to the state of insulator
Whether monitoring, in the prior art, the monitoring for insulator mainly judge the performance of insulator from the leakage current of insulator
Decline, it is then determined that insulator whether decreasing insulating, finally make the measures such as O＆M, replacement, still, the insulation of insulator
The performance not only characteristic of itself, but also have close relationship with surrounding environment, therefore, existing monitoring system can not be accurate
Whether the insulation performance for really judging insulator is that self performance decline causes, and existing monitoring system power itself can not
Lean on, so as to cause monitoring data poor continuity, it is difficult to as objective reference frame.
Therefore, in order to solve the above-mentioned technical problem, it is necessary to propose a kind of new system.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of insulator state on-line monitoring system, can be to insulation
Environment residing for the leakage current and insulator of son carries out lasting monitoring and uploads to monitoring center in real time, and monitors system
The work electricity consumption of system can obtain powerful guarantee, be final so as to ensure the continuation to insulator state monitoring data
Insulators Used judge to provide objective and accurate reference data so that beneficial to making accurate O＆M measure.
A kind of insulator state on-line monitoring system provided by the utility model, including for monitoring the inspection of insulator state
Survey unit, the processing unit for receiving detection unit output signal and for providing work to detection unit and processing unit
The power supply unit of electricity consumption；
The detection unit include insulator leakage current detection circuit, air temperature sensor, air humidity sensor,
Baroceptor and airborne suspended particle sensor；
The processing unit includes central processing circuit, toggle switch and mobile communication module, the central processing electricity
Road is connected with toggle switch, and the signal input part of the central processing circuit and the output terminal of detection unit connect, the center
Process circuit is connected with mobile communication module and sends detection information to distance host by mobile communication module；
Said supply unit includes taking energy mutual inductor CT1, rectification circuit Z1, capacitance C1 and power supply chip U1；It is described to take
Can mutual inductor CT1 be arranged at power line, it is described take can mutual inductor CT1 taking energy coil both ends respectively at the defeated of rectification circuit Z1
Enter end connection, the positive output end of rectification circuit passes through the ground connection of capacitance C1, the negative output terminal ground connection of rectification circuit Z1, power supply chip
The input terminal of U1 is connected to the points of common connection between the positive output end of capacitance C1 and rectification circuit Z1, power supply chip U1 outputs 5V
Points of common connection output 12V DC electricity between the positive output end of direct current, capacitance C1 and rectification circuit Z1.
Further, the insulator leakage current observation circuit includes Current Transmit 2, amplifier U2, resistance R3 and electricity
Hinder R4；
Induction coil one end ground connection of the Current Transmit 2, the other end are connected with the end of oppisite phase of amplifier U2, capacitance C1
Both ends be connected to Current Transmit 2 induction coil both ends, the in-phase end of amplifier U2 is grounded by resistance R3, electricity
One end of resistance R4 is connected to the end of oppisite phase of amplifier U2, and the other end is connected to the output terminal of amplifier U2, and the output terminal of amplifier U2 is with
Entreat process circuit connection.
Further, said supply unit further includes overvoltage crowbar, and the overvoltage crowbar includes diode D1, electricity
Hinder R1, resistance R2, resistance R5, triode Q1 and controllable silicon SCR 1；
The anode of the diode D1 is connected to the positive output end of rectification circuit Z1, and the cathode of diode D1 passes through resistance R1
Ground connection, one end of resistance R2 are connected to the cathode of diode D1, and the other end is connected with the base stage of triode Q1, the hair of triode Q1
Emitter-base bandgap grading is connected to the points of common connection between diode D1 and rectification circuit Z1, and the collector of triode Q1 is connect by resistance R5
Ground；The control pole of controllable silicon SCR 1 is connected to the collector of triode Q1, one end of controllable silicon SCR 1 be connected to diode D1 and
Points of common connection between rectification circuit Z1, other end ground connection；
Wherein, triode Q1 is PNP type triode, and diode D1 is Zener diode.
Further, the power supply chip U1 is LM2596 chips.
Further, the central processing circuit is STC15F2K60S2 chips.
Further, the mobile communication module is GPRS module or 4G modules.
The beneficial effects of the utility model：, can be to the leakage current and insulator of insulator by the utility model
Residing environment carries out lasting monitoring and uploads to monitoring center in real time, and the work electricity consumption for monitoring system can be had
Try hard to keep barrier, so as to ensure the continuation to insulator state monitoring data, judge to provide visitor for final Insulators Used
Accurate reference data is seen, so as to be beneficial to make accurate O＆M measure.
Brief description of the drawings
The utility model is further described with reference to the accompanying drawings and examples：
Fig. 1 is the structure diagram of the utility model.
Fig. 2 is the power supply unit circuit diagram of the utility model.
Fig. 3 is the schematic diagram of the insulator leakage current observation circuit of the utility model.
Fig. 4 is the relay J1 control circuit schematic diagrams of the utility model.
Embodiment
The structure of the utility model is further described in detail below in conjunction with Figure of description, as shown in the figure：This
A kind of insulator state on-line monitoring system that utility model provides, including for monitoring the detection unit of insulator state, using
In the processing unit for receiving detection unit output signal and for the confession to detection unit and processing unit offer work electricity consumption
Electric unit；
The detection unit include insulator leakage current detection circuit, air temperature sensor, air humidity sensor,
Baroceptor and airborne suspended particle sensor, wherein, air temperature sensor, air humidity sensor, air pressure sensing
Device and airborne suspended particle sensor use existing sensor, can directly be bought in market；
The processing unit includes central processing circuit, toggle switch and mobile communication module, the central processing electricity
Road is connected with toggle switch, and the signal input part of the central processing circuit and the output terminal of detection unit connect, the center
Process circuit is connected with mobile communication module and sends detection information to distance host by mobile communication module；
Said supply unit includes taking energy mutual inductor CT1, rectification circuit Z1, capacitance C1 and power supply chip U1；It is described to take
Can mutual inductor CT1 be arranged at power line, it is described take can mutual inductor CT1 taking energy coil both ends respectively at the defeated of rectification circuit Z1
Enter end connection, the positive output end of rectification circuit passes through the ground connection of capacitance C1, the negative output terminal ground connection of rectification circuit Z1, power supply chip
The input terminal of U1 is connected to the points of common connection between the positive output end of capacitance C1 and rectification circuit Z1, power supply chip U1 outputs 5V
Points of common connection output 12V DC electricity between the positive output end of direct current, capacitance C1 and rectification circuit Z1, wherein, capacitance C1
Pressure stabilization function is played, for exporting the direct current of 12V, for the work of each sensor, power supply chip U1 output 5V direct currents, are used
In the work of central processing circuit and mobile communication module, wherein, rectification circuit Z1 is whole using the full-bridge type of diode composition
Current circuit；The power supply chip U1 is LM2596 chips, and the central processing circuit is STC15F2K60S2 chips；Each sensor
By the data sending of monitoring to central processing circuit, toggle switch is used to set central processing circuit address, which uses
In characterization insulator present position；Central processing circuit packs real time information and address information, then by mobile logical
Letter module is sent to distance host, and distance host is arranged on monitoring center, and staff passes through the display that is connected with distance host
Each parameter is shown whether, according to current data and the historical data of monitoring, judging the leakage current of insulator has by device
The performance of itself causes, and is also due to the influence of environment, for example the concentration of suspended particles in the air of certain a period of time is higher makes
Into contamination, and current humidity is big and the reasons such as air pressure is high cause the leakage of insulator to become larger；It is new by this practicality
Type, can carry out lasting monitoring to the environment residing for the leakage current and insulator of insulator and upload in real time in monitoring
The heart, and the work electricity consumption for monitoring system can obtain powerful guarantee, so as to ensure to insulator state monitoring data
Continuation, judges to provide objective and accurate reference data, so as to arrange beneficial to accurate O＆M is made for final Insulators Used
Apply.
In the present embodiment, the insulator leakage current observation circuit includes Current Transmit 2, amplifier U2, resistance R3
With resistance R4；
Induction coil one end ground connection of the Current Transmit 2, the other end are connected with the end of oppisite phase of amplifier U2, capacitance C1
Both ends be connected to Current Transmit 2 induction coil both ends, the in-phase end of amplifier U2 is grounded by resistance R3, electricity
One end of resistance R4 is connected to the end of oppisite phase of amplifier U2, and the other end is connected to the output terminal of amplifier U2, and the output terminal of amplifier U2 is with
Process circuit connection is entreated, wherein, amplifier U2 forms inverting amplifier；Since insulator leakage current is smaller, using general biography
Sensor is difficult to monitor, and by said structure, enable to the monitoring range of whole insulator leakage current observation circuit to increase
Greatly, so that accuracy beneficial to monitoring result.
In the present embodiment, said supply unit further includes overvoltage crowbar, and the overvoltage crowbar includes diode
D1, resistance R1, resistance R2, resistance R5, triode Q1 and controllable silicon SCR 1；
The anode of the diode D1 is connected to the positive output end of rectification circuit Z1, and the cathode of diode D1 passes through resistance R1
Ground connection, one end of resistance R2 are connected to the cathode of diode D1, and the other end is connected with the base stage of triode Q1, the hair of triode Q1
Emitter-base bandgap grading is connected to the points of common connection between diode D1 and rectification circuit Z1, and the collector of triode Q1 is connect by resistance R5
Ground；The control pole of controllable silicon SCR 1 is connected to the collector of triode Q1, one end of controllable silicon SCR 1 be connected to diode D1 and
Points of common connection between rectification circuit Z1, other end ground connection；
Wherein, triode Q1 is PNP type triode, and diode D1 is Zener diode；Due to the upper electricity of transmission line of electricity
Source fluctuation range is larger, therefore, over-pressed phenomenon easily occurs, when overtension, diode D1 is breakdown, and triode Q1 is led
It is logical, so that controllable silicon SCR 1 turns on, so that electric current is directly directed to the earth, so as to realize good guarantor to follow-up circuit
Shield, so that it is guaranteed that entirely monitoring the safe for operation of system；Due to silicon-controlled current trigger characteristic, when the conducting of controllable silicon SCR 1
Afterwards, it is silicon-controlled to be just constantly in guard mode as long as cathode has forward voltage, therefore, in the present embodiment, be additionally provided with one it is standby
With storage battery, using lithium battery, it is managed by existing lithium battery managing chip, when charging is required, then passes through power supply core
The 5V voltages of piece U1 outputs charge, and when controllable silicon SCR 1, which performs, to be protected, then central processing circuit are led to mobile by storage battery
Letter module is powered, and voltage fluctuation information is informed distance host by central processing circuit, and according to the actual control of setting after
The normally closed switch J1-K1 of electric appliance J1 is disconnected, so that protection releases, wherein control relay circuit is by triode Q2, resistance
R6 is formed, and the base stage of triode Q2 is controlled by central processing circuit, and the collector of triode Q2 is connected with storage battery, and emitter leads to
It is grounded after crossing the coil series connection of resistance R6 and relay J1, the normally closed switch J1-K1 of relay J1 is arranged at the institute of controllable silicon SCR 1
In the loop, as shown in Figure 2 and Figure 4.
Finally illustrate, above example is merely intended for describing the technical solutions of the present application, but not for limiting the present application, although ginseng
The utility model is described in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, can be to this
The technical solution technical scheme is modified or replaced equivalently of utility model, without departing from the objective and model of technical solutions of the utility model
Enclose, it should all cover among the right of the utility model.
Claims (6)
- A kind of 1. insulator state on-line monitoring system, it is characterised in that：Including the detection unit for monitoring insulator state, For receiving the processing unit of detection unit output signal and for providing work electricity consumption to detection unit and processing unit Power supply unit；The detection unit includes insulator leakage current detection circuit, air temperature sensor, air humidity sensor, air pressure Sensor and airborne suspended particle sensor；The processing unit includes central processing circuit, toggle switch and mobile communication module, the central processing circuit with Toggle switch connects, and the signal input part of the central processing circuit and the output terminal of detection unit connect, the central processing Circuit is connected with mobile communication module and sends detection information to distance host by mobile communication module；Said supply unit includes taking energy mutual inductor CT1, rectification circuit Z1, capacitance C1 and power supply chip U1；Described take can be mutually Sensor CT1 is arranged at power line, it is described take can mutual inductor CT1 taking energy coil both ends respectively at rectification circuit Z1 input terminal Connection, the positive output end of rectification circuit is by the ground connection of capacitance C1, the negative output terminal ground connection of rectification circuit Z1, power supply chip U1's Input terminal is connected to the points of common connection between the positive output end of capacitance C1 and rectification circuit Z1, power supply chip U1 output 5V direct currents Points of common connection output 12V DC electricity between the positive output end of electricity, capacitance C1 and rectification circuit Z1.
- 2. insulator state on-line monitoring system according to claim 1, it is characterised in that：The insulator leakage current prison Slowdown monitoring circuit includes Current Transmit 2, amplifier U2, resistance R3 and resistance R4；Induction coil one end ground connection of the Current Transmit 2, the other end are connected with the end of oppisite phase of amplifier U2, and the two of capacitance C1 End is connected to the both ends of the induction coil of Current Transmit 2, and the in-phase end of amplifier U2 is grounded by resistance R3, resistance R4 One end be connected to the end of oppisite phase of amplifier U2, the other end is connected to the output terminal of amplifier U2, the output terminal and centre of amplifier U2 Manage circuit connection.
- 3. insulator state on-line monitoring system according to claim 1, it is characterised in that：Said supply unit further included Voltage protection circuit, the overvoltage crowbar include diode D1, resistance R1, resistance R2, resistance R5, triode Q1 and controllable Silicon SCR1；The anode of the diode D1 is connected to the positive output end of rectification circuit Z1, and the cathode of diode D1 is connect by resistance R1 Ground, one end of resistance R2 are connected to the cathode of diode D1, and the other end is connected with the base stage of triode Q1, the transmitting of triode Q1 Pole is connected to the points of common connection between diode D1 and rectification circuit Z1, and the collector of triode Q1 is grounded by resistance R5； The control pole of controllable silicon SCR 1 is connected to the collector of triode Q1, and one end of controllable silicon SCR 1 is connected to diode D1 and rectification Points of common connection between circuit Z1, other end ground connection；Wherein, triode Q1 is PNP type triode, and diode D1 is Zener diode.
- 4. insulator state on-line monitoring system according to claim 1, it is characterised in that：The power supply chip U1 is LM2596 chips.
- 5. insulator state on-line monitoring system according to claim 1, it is characterised in that：The central processing circuit is STC15F2K60S2 chips.
- 6. insulator state on-line monitoring system according to claim 1, it is characterised in that：The mobile communication module is GPRS module or 4G modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721527789.1U CN207335783U (en) | 2017-11-15 | 2017-11-15 | Insulator state on-line monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721527789.1U CN207335783U (en) | 2017-11-15 | 2017-11-15 | Insulator state on-line monitoring system |
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| Publication Number | Publication Date |
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| CN207335783U true CN207335783U (en) | 2018-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201721527789.1U Active CN207335783U (en) | 2017-11-15 | 2017-11-15 | Insulator state on-line monitoring system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083299A (en) * | 2020-09-11 | 2020-12-15 | 国网重庆市电力公司北碚供电分公司 | Direct current system insulation fault prediction method based on Kalman filtering |
| CN113932740A (en) * | 2021-09-17 | 2022-01-14 | 国网江苏省电力有限公司盐城供电分公司 | Early warning device for pollution flashover of insulator |
| CN113945749A (en) * | 2021-09-24 | 2022-01-18 | 深圳飞赛精密钣金技术有限公司 | Insulator leakage current online monitoring method, system and device and storage medium |
| CN114034345A (en) * | 2021-11-15 | 2022-02-11 | 江西省萍乡市南坑高压电瓷厂 | Insulator leakage analysis system and method |
-
2017
- 2017-11-15 CN CN201721527789.1U patent/CN207335783U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112083299A (en) * | 2020-09-11 | 2020-12-15 | 国网重庆市电力公司北碚供电分公司 | Direct current system insulation fault prediction method based on Kalman filtering |
| CN113932740A (en) * | 2021-09-17 | 2022-01-14 | 国网江苏省电力有限公司盐城供电分公司 | Early warning device for pollution flashover of insulator |
| CN113945749A (en) * | 2021-09-24 | 2022-01-18 | 深圳飞赛精密钣金技术有限公司 | Insulator leakage current online monitoring method, system and device and storage medium |
| CN114034345A (en) * | 2021-11-15 | 2022-02-11 | 江西省萍乡市南坑高压电瓷厂 | Insulator leakage analysis system and method |
| CN114034345B (en) * | 2021-11-15 | 2024-04-16 | 江西省萍乡市南坑高压电瓷厂 | Insulator leakage analysis system and method |
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