CN106990338A - A kind of insulator telemetry system based on UV pulse method - Google Patents
A kind of insulator telemetry system based on UV pulse method Download PDFInfo
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- CN106990338A CN106990338A CN201710391765.6A CN201710391765A CN106990338A CN 106990338 A CN106990338 A CN 106990338A CN 201710391765 A CN201710391765 A CN 201710391765A CN 106990338 A CN106990338 A CN 106990338A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1245—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of line insulators or spacers, e.g. ceramic overhead line cap insulators; of insulators in HV bushings
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Testing Relating To Insulation (AREA)
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Abstract
The invention discloses a kind of insulator telemetry system based on UV pulse method, including wireless transmission unit, also include ultraviolet pulse detection means, leakage current detection means and atmospheric sounding set, the ultraviolet pulse detection means is used to monitor insulator ultraviolet pulse number, the leakage current detection means is used for the leakage current for monitoring insulator, the atmospheric sounding set is used to monitor the weather information at insulator, and the ultraviolet pulse detection means, leakage current detection means and atmospheric sounding set carry out information transfer by wireless transmission unit with extraneous.The insulator telemetry system based on UV pulse method that the present invention is designed, when being detected to insulator arc-over, with higher sensitivity, danger caused by the electric discharge that preferably can be likely to occur to insulator in circuit is monitored and early warning, makes electrical equipment from larger damage.
Description
Technical field
The present invention relates to a kind of insulator telemetry system based on UV pulse method.
Background technology
Insulator is the pith for ensureing power system stability operation, with developing rapidly for China's industry, weather ring
Border is run down, and pollutant load is gradually increasing in air, and the filthy particle in air will be deposited on insulator surface, work as insulation
Sublist face occurs after filthy deposition, and when meeting with the wet weathers such as mist, rain, snow, pollution layer easily makes moist, and will be formed in insulator surface
Conductive moisture film, causes surface leakage current to increase, and leakage current heating causes pollution layer and the gold utensil big region of current density nearby
It is oven-dried so that pollution flashover accident easily occurs for insulator.In the prior art, administrative staff can not carry out efficient, accurate to insulator
True real-time detection, it is impossible to quick early warning is carried out to insulator contamination accident, there is potential safety hazard.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of insulator telemetry system based on UV pulse method, facilitate custodian
Member reduces the danger of detection process in the round-the-clock real-time detection insulator site running status in control centre, efficient, accurate right
Insulator state detected in real time, be easy to it is follow-up quick early warning is carried out to insulator contamination accident, with cost is low, equipment is simple
Single the advantages of.
To realize above-mentioned technical purpose and the technique effect, the present invention is achieved through the following technical solutions：
A kind of insulator telemetry system based on UV pulse method, including wireless transmission unit, in addition to ultraviolet pulse detection dress
Put, leakage current detection means and atmospheric sounding set, the ultraviolet pulse detection means is used to monitor insulator ultraviolet pulse
Number, the leakage current detection means is used for the leakage current for monitoring insulator, and the atmospheric sounding set is used to monitor insulator
The weather information at place, the ultraviolet pulse detection means, leakage current detection means and atmospheric sounding set are by being wirelessly transferred list
Member carries out information transfer with extraneous.
It is preferred that, the leakage current detection means is leakage current detector.
It is preferred that, the ultraviolet pulse detection means includes DC voltage booster circuit, ultraviolet tube drive circuit, the purple being sequentially connected
Outer tube, signal processing circuit and step-by-step counting and display circuit, the ultraviolet pipe are used to monitor ultraviolet light.
It is preferred that, the signal processing circuit includes pulse signal detection circuit, the pulse signal process circuit being sequentially connected
And analog to digital conversion circuit.
It is preferred that, in addition to database server unit and display unit, the database server unit is respectively and wirelessly
Transmission unit, display unit are connected.
It is preferred that, the wireless transmission unit is GPRS DTU, and the display unit is display.
It is preferred that, the ultraviolet pipe is UV sensor, and the DC voltage booster circuit is dc source, and the ultraviolet pipe drives
Dynamic circuit includes being in series with resistance R1 and electric capacity between electric capacity C1, electric capacity C2, resistance R1, R2 and R3, the both positive and negative polarity of dc source
Electric capacity C1 two ends are connected in parallel on after C1, resistance R2, UV sensor and resistance R3 series connection, electric capacity C2 is arranged at pulse signal inspection
The input of slowdown monitoring circuit.
It is preferred that, electric capacity C1 withstanding voltage value is 500V, and capacitance is 220pF；Electric capacity C2 capacitance is 1000pF；Electricity
It is 10M Ω to hinder R1 resistance values, and resistance R2 resistance value is 4.7k Ω, and resistance R3 resistance value is 6.4k Ω, UV sensor
Model be R2868.
The beneficial effects of the invention are as follows：
（1）The insulator telemetry system based on UV pulse method that the present invention is designed, when being detected to insulator arc-over, tool
There is higher sensitivity, danger caused by the electric discharge that preferably can be likely to occur to insulator in circuit is monitored and in advance
It is alert, make electrical equipment from larger damage.
（2）The present invention uses Radio Transmission Technology, can carry out remote detection to insulator, can also be by the real-time nothing of data
Line is transferred to backstage and stored.
（3）The present invention is assessed using the insulator based on insulator ultraviolet pulse number, leakage current, weather information, just
In subsequently to insulator state progress accurate evaluation.
Brief description of the drawings
Fig. 1 is a kind of structural representation of the insulator telemetry system based on UV pulse method of the present invention；
Fig. 2 is the structured flowchart of ultraviolet pulse detection means of the present invention；
Fig. 3 is the circuit diagram of ultraviolet tube drive circuit of the invention；
Fig. 4 is pulse signal process circuit figure of the present invention.
Embodiment
Technical solution of the present invention is described in further detail with specific embodiment below in conjunction with the accompanying drawings, so that ability
The technical staff in domain can be better understood from the present invention and can be practiced, but illustrated embodiment is not as the limit to the present invention
It is fixed.
As Figure 1-4, a kind of insulator telemetry system based on UV pulse method, including it is wireless transmission unit, ultraviolet
Pulse detecting equipment, leakage current detection means and atmospheric sounding set, the ultraviolet pulse detection means are used to monitor insulator
Ultraviolet pulse number, the leakage current detection means is used for the leakage current for monitoring insulator, and the atmospheric sounding set is used for
Monitor the weather information at insulator（Including temperature and humidity information）, the ultraviolet pulse detection means, leakage current detection
Device and atmospheric sounding set carry out information transfer by wireless transmission unit with extraneous.
It is preferred that, the leakage current detection means is leakage current detector, and wireless transmission unit is GPRS DTU（I.e.
GPRS module）, such as, the LQ1001 GPRS DTU for the Co., Ltd's research and development that can be communicated using Xiamen Ling Qi, single-chip microcomputer enters horizontal pulse
Individual counting number, carries out initial configuration by GPRS DTU standard RS232 data-interfaces and single-chip microcomputer, passes through TCP/IP networks
The communication technology and server communication, while house dog built in GPRS DTU units, system can be recovered automatically when going offline, and this is existing
There is technology, will not be repeated here.
It is preferred that, system also includes database server unit and front end display unit, the database server unit point
It is not connected with wireless transmission unit, display unit, wherein, display unit typically selects display, is entered by wireless transmission unit
Data are carried out real time parsing storage by row wireless data real-time Transmission by database server unit.
The system can be integrated into an assessment system through extension, as shown in Figure 1, it is necessary to increase state estimation module（Insulation
Sub- state estimation algorithm and insulator state evaluation criteria）.Wherein, insulator state assessment algorithm is that one kind is let out based on insulator
The algorithm of leakage current, ultraviolet pulse number and weather information, has considered insulator leakage current, ultraviolet pulse number and not
With the incidence relation between meteorological condition and insulator state.Insulator state evaluation criteria is as to ultraviolet arteries and veins obtained by experiment
Number, leakage current and the corresponding insulator running status of weather information is rushed to be analyzed and calculated, will according to threshold value principle
Insulator running status grade classification is Three Estate：Insulator work is in good condition, and insulating properties are good；Insulating properties drop
It is low, there is a possibility that occur pollution flashover；The insulating properties of insulator are not good enough, and the possibility for occurring pollution flashover is larger, it is necessary to change absolutely
Edge.
On this basis, set up the leakage current of insulator, ultraviolet pulse number, four metrics of temperature and humidity for
The membership function of insulator state, and the input quantity of membership function is normalized, afterwards comprehensive assessment insulator shape
State.Ranking is carried out to insulator state, can in real time assess and forward end shows the running status of insulator, ultraviolet pulse
Number, leakage current, weather information, prevent insulator from occurring pollution flashover.During specific practical application, it can be built using Labview
Display platform, including the function such as user's registration, user are logged in, latest data is issued, user can be to insulator after logging in
Information carries out content retrieval, data and downloaded, and can inquire about insulator current and the running status grade under historical time, ultraviolet
The information such as pulse number, leakage current, meteorological condition.
As shown in Fig. 2 the ultraviolet pulse detection means includes DC voltage booster circuit, the ultraviolet pipe driving electricity being sequentially connected
Road, ultraviolet pipe, signal processing circuit and step-by-step counting and display circuit, the ultraviolet pipe are used to monitor ultraviolet light.Signal transacting
Circuit includes pulse signal detection circuit, pulse signal process circuit and the analog to digital conversion circuit being sequentially connected（That is analog-to-digital conversion
Device）.After ultraviolet light is detected by ultraviolet pipe, the ultraviolet signal that ultraviolet pipe is detected is converted into phase by pulse signal detection circuit
The voltage pulse signal answered, the voltage pulse signal is sequentially passed through after pulse signal process circuit, analog to digital conversion circuit, is transferred to
Step-by-step counting and display circuit.
As shown in figure 3, the ultraviolet pipe is UV sensor, the DC voltage booster circuit is dc source, the purple
Outer tube drive circuit includes being in series with resistance R1 between electric capacity C1, electric capacity C2, resistance R1, R2 and R3, the both positive and negative polarity of dc source
With electric capacity C1, electric capacity C1 two ends are connected in parallel on after resistance R2, UV sensor and resistance R3 series connection, electric capacity C2 is arranged at pulse
The input of signal deteching circuit.
Wherein, electric capacity C1 withstanding voltage value is 500V, and capacitance is 220pF；Electric capacity C2 capacitance is 1000pF；Electricity
It is 10M Ω to hinder R1 resistance values, and resistance R2 resistance value is 4.7k Ω, and resistance R3 resistance value is 6.4k Ω, UV sensor
Model be R2868.
As shown in figure 4, pulse signal process circuit includes SGM8922 type operational amplifiers single-chip microcomputer, measuring resistance and mark
Quasi- voltage.Wherein, operational amplifier SGM8922 is used to set voltage comparator and carry out analog-to-digital conversion, and measuring resistance resistance is set
3k Ω are set to, described normal voltage is set to 1V.
For specific embodiment, system power supply is divided into three parts, be respectively DC voltage booster circuit input voltage,
The driving voltage of SGM8922 type operational amplifiers and the driving voltage of step-by-step counting and display circuit.Wherein, DC boosting electricity
The input voltage on road and the driving voltage of SGM8922 type operational amplifiers are 4.5V, step-by-step counting and the driving of display circuit
Voltage is 5V.
The beneficial effects of the invention are as follows：
（1）The insulator telemetry system based on UV pulse method that the present invention is designed, when being detected to insulator arc-over, tool
There is higher sensitivity, danger caused by the electric discharge that preferably can be likely to occur to insulator in circuit is monitored and in advance
It is alert, make electrical equipment from larger damage.
（2）The present invention uses Radio Transmission Technology, can carry out remote detection to insulator, can also be by the real-time nothing of data
Line is transferred to backstage and stored.
（3）The present invention is assessed using the insulator based on insulator ultraviolet pulse number, leakage current, weather information, just
In subsequently to insulator state progress accurate evaluation.
The preferred embodiments of the present invention are these are only, are not intended to limit the scope of the invention, it is every to utilize this hair
The equivalent structure that bright specification and accompanying drawing content are made either equivalent flow conversion or to be directly or indirectly used in other related
Technical field, be included within the scope of the present invention.
Claims (8)
1. a kind of insulator telemetry system based on UV pulse method, including wireless transmission unit, it is characterised in that also including purple
Outer pulse detecting equipment, leakage current detection means and atmospheric sounding set, the ultraviolet pulse detection means, which is used to monitor, to insulate
Sub- ultraviolet pulse number, the leakage current detection means is used for the leakage current for monitoring insulator, and the atmospheric sounding set is used
Weather information at monitoring insulator, the ultraviolet pulse detection means, leakage current detection means and atmospheric sounding set are logical
Cross wireless transmission unit and carry out information transfer with extraneous.
2. a kind of insulator telemetry system based on UV pulse method according to claim 1, it is characterised in that described to let out
Leak current detection device is leakage current detector.
3. a kind of insulator telemetry system based on UV pulse method according to claim 1, it is characterised in that the purple
Outer pulse detecting equipment include be sequentially connected DC voltage booster circuit, ultraviolet tube drive circuit, ultraviolet pipe, signal processing circuit and
Step-by-step counting and display circuit, the ultraviolet pipe are used to monitor ultraviolet light.
4. a kind of insulator telemetry system based on UV pulse method according to claim 3, it is characterised in that the letter
Number process circuit includes pulse signal detection circuit, pulse signal process circuit and the analog to digital conversion circuit being sequentially connected.
5. a kind of insulator telemetry system based on UV pulse method according to claim 1, it is characterised in that also include
Database server unit and display unit, the database server unit respectively with wireless transmission unit, display unit phase
Even.
6. a kind of insulator telemetry system based on UV pulse method according to claim 5, it is characterised in that the nothing
Line transmission unit is GPRS DTU, and the display unit is display.
7. a kind of insulator telemetry system based on UV pulse method according to claim 4, it is characterised in that the purple
Outer tube is UV sensor, and the DC voltage booster circuit is dc source, and the ultraviolet tube drive circuit includes electric capacity C1, electricity
Hold and resistance R1 and electric capacity C1 are in series between C2, resistance R1, R2 and R3, the both positive and negative polarity of dc source, resistance R2, ultraviolet sensing
Electric capacity C1 two ends are connected in parallel on after device and resistance R3 series connection, electric capacity C2 is arranged at the input of pulse signal detection circuit.
8. a kind of insulator telemetry system based on UV pulse method according to claim 7, it is characterised in that electric capacity C1
Withstanding voltage value be 500V, capacitance is 220pF；Electric capacity C2 capacitance is 1000pF；Resistance R1 resistance values are 10M Ω,
Resistance R2 resistance value is 4.7k Ω, and resistance R3 resistance value is 6.4k Ω, and the model of UV sensor is R2868.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391765.6A CN106990338A (en) | 2017-05-27 | 2017-05-27 | A kind of insulator telemetry system based on UV pulse method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710391765.6A CN106990338A (en) | 2017-05-27 | 2017-05-27 | A kind of insulator telemetry system based on UV pulse method |
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| Publication Number | Publication Date |
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| CN106990338A true CN106990338A (en) | 2017-07-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710391765.6A Pending CN106990338A (en) | 2017-05-27 | 2017-05-27 | A kind of insulator telemetry system based on UV pulse method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831400A (en) * | 2017-10-31 | 2018-03-23 | 上海鹭江电子有限公司 | On-line direct current insulating monitoring method and system based on Remote Management of Network |
| CN107991586A (en) * | 2017-11-23 | 2018-05-04 | 北京环境特性研究所 | A kind of high-tension electricity equipment leakage detection device and its implementation |
| CN110346267A (en) * | 2018-04-08 | 2019-10-18 | 西安交通大学 | A kind of device for composite insulator ultraviolet (UV) aging test |
| CN112379225A (en) * | 2020-10-31 | 2021-02-19 | 国网天津市电力公司 | Power equipment corona identification and evaluation alarm system and use method thereof |
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| CN203465377U (en) * | 2013-05-14 | 2014-03-05 | 三峡大学 | Solar-blind ultraviolet detection technology-based insulator deterioration detection device |
| CN103941120A (en) * | 2014-03-31 | 2014-07-23 | 张奇 | Device for hydrophobicity detection and aging evaluation of composite insulator |
| CN205193214U (en) * | 2015-11-11 | 2016-04-27 | 国网甘肃省电力公司电力科学研究院 | Insulator ultraviolet impulse detection test device |
| CN206725711U (en) * | 2017-05-27 | 2017-12-08 | 国网江苏省电力公司电力科学研究院 | A kind of insulator telemetry system based on UV pulse method |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102331540A (en) * | 2011-05-26 | 2012-01-25 | 江苏科技大学 | On-line monitoring device and method for corona discharge of ultra-high voltage power transmission line |
| CN203465377U (en) * | 2013-05-14 | 2014-03-05 | 三峡大学 | Solar-blind ultraviolet detection technology-based insulator deterioration detection device |
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| CN206725711U (en) * | 2017-05-27 | 2017-12-08 | 国网江苏省电力公司电力科学研究院 | A kind of insulator telemetry system based on UV pulse method |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107831400A (en) * | 2017-10-31 | 2018-03-23 | 上海鹭江电子有限公司 | On-line direct current insulating monitoring method and system based on Remote Management of Network |
| CN107991586A (en) * | 2017-11-23 | 2018-05-04 | 北京环境特性研究所 | A kind of high-tension electricity equipment leakage detection device and its implementation |
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| CN112379225A (en) * | 2020-10-31 | 2021-02-19 | 国网天津市电力公司 | Power equipment corona identification and evaluation alarm system and use method thereof |
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Application publication date: 20170728 |