CN206074743U - A kind of ground net corrosion condition monitoring system - Google Patents
A kind of ground net corrosion condition monitoring system Download PDFInfo
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- CN206074743U CN206074743U CN201621099519.0U CN201621099519U CN206074743U CN 206074743 U CN206074743 U CN 206074743U CN 201621099519 U CN201621099519 U CN 201621099519U CN 206074743 U CN206074743 U CN 206074743U
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- auxiliary electrode
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- reference electrode
- constant potential
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Abstract
This utility model is related to a kind of ground net corrosion condition monitoring system, including Electrode, reference electrode and auxiliary electrode are inserted in the soil at grounded screen, and reference electrode is placed between Electrode and auxiliary electrode, and Electrode and auxiliary electrode are placed in parallel;Electrode, reference electrode and auxiliary electrode mutually back to one side by epoxy sealing;, with constant potential detection means by connection, constant potential detection means, wave filter, A/D converter and single-chip microcomputer pass sequentially through connection for Electrode, reference electrode and auxiliary electrode.Hinge structure, this utility model will appreciate that corrosion rate, corrosion depth and its electric property of grounded screen, are easy to the security performance to grounded screen to carry out real-time assessment, and can inquire about the historical data of ground net corrosion state and electric property.
Description
Technical field
This utility model is related to technical field of electric power, more particularly to a kind of ground net corrosion condition monitoring system.
Background technology
Grounding net of transformer substation is important for the reliability service of power system and the personal safety of work of transformer substation personnel are played
Effect, as grounded screen is embedded in underground throughout the year, corrosion is inevitable, directly results in ground connection body section reduction, classical insulation
Change, is directly jeopardized the safe operation of electrical network when serious.Therefore, grounded screen status monitoring is carried out, understands grounded screen in time and exist
The situation of change of corrosion condition and ground connection parameter in soil, pinpoints the problems and takes corresponding protective measure early, intelligent
The maintenance work for completing grounded screen, it appears it is very urgent and important.However, currently for grounding device corrosion state, electrically
The monitoring method and its engineer applied of performance parameter is also in theoretical research and the starting stage of technical Analysis, achievement in research pole
It is few, there is not yet the report of grounded screen local supervising and measuring equipment.
Grounded screen is severe because being embedded in underground, service condition for a long time, and corrosion is inevitable, so as to cause the evil of electric property
Change, when serious, directly jeopardized the safe and stable operation of electrical network.Thus, ground net corrosion status monitoring is carried out with ground connection parameter point
Analysis, to pinpoint the problems and take corresponding safeguard procedures early, just has great importance.In particular with the continuous of electrical network
Development, the extensive application of Microcomputer Protection, integrated automation device in power plant, electric substation, such light current element is to grounded screen
Requirement it is higher, the interference of ground potential more and more causes the attention of people to monitoring and the impact of automation equipment.So have must
These problems are solved.
Utility model content
The purpose of this utility model is to provide a kind of ground net corrosion condition monitoring system, technical problem to be solved
It is:How to understand corrosion rate, corrosion depth and its electric property of grounded screen, be easy to the security performance to grounded screen to carry out reality
When assess, and the historical data of ground net corrosion state and electric property can be inquired about.
The technical scheme that this utility model solves above-mentioned technical problem is as follows:A kind of ground net corrosion condition monitoring system,
It is including Electrode, reference electrode, auxiliary electrode, constant potential detection means, wave filter, A/D converter and single-chip microcomputer, described to grind
Study carefully in the soil that electrode, reference electrode and auxiliary electrode are inserted at grounded screen, the reference electrode is placed in the Electrode
And auxiliary electrode between, the Electrode and auxiliary electrode are placed in parallel;The Electrode, reference electrode and auxiliary electrode
Mutually back to one side by epoxy sealing;The Electrode, reference electrode and auxiliary electrode with the constant potential
Detection means is respectively induced the electric current of correspondence position by connection, the Electrode, reference electrode and auxiliary electrode, point
Not Sheng Cheng current signal transfer to constant potential detection means;The constant potential detection means, wave filter, A/D converter and monolithic
Machine passes sequentially through connection, the constant potential detection means by the current signal of reference electrode as benchmark and Electrode and
The current signal of auxiliary electrode is contrasted, and generates current changing signal, and the wave filter and A/D converter become to electric current successively
Change signal to be filtered and analog digital conversion, and transmit to single-chip microcomputer, the single-chip microcomputer is collected to current changing signal and deposited
Storage.
The beneficial effects of the utility model are:Recorded by the change to current signal, can be with real-time assessment Electrode
With the corrosion condition of auxiliary electrode, with the corrosion condition of Electrode and auxiliary electrode as reference, contrast draws the corruption of grounded screen
Erosion speed, corrosion depth and its electric property, are easy to the security performance to grounded screen to carry out real-time assessment, while can also inquire about
The historical data of ground net corrosion state and electric property.
On the basis of above-mentioned technical proposal, this utility model can also do following improvement.
Further, also including display, the display is connected with the single-chip microcomputer.
Using the beneficial effect of above-mentioned further scheme it is:Display can show curent change data in real time, be easy to user
Corrosion rate, corrosion depth and its electric property of grounded screen are understood in time.
Further, the Electrode, be fixed by organic material between reference electrode and auxiliary electrode.
Using the beneficial effect of above-mentioned further scheme it is:By having between Electrode, reference electrode and auxiliary electrode
Machine material is fixed, and prevents relative position from displacement occur, affects current detecting.
Further, ground electrode in the making material and grounded screen of the Electrode, reference electrode and auxiliary electrode
Making material is consistent.
Using the beneficial effect of above-mentioned further scheme it is:It is easy to the corruption with Electrode, reference electrode and auxiliary electrode
Erosion speed, corrosion depth and its electric property, are that the extent of corrosion for assessing grounded screen makes reference.
Description of the drawings
Fig. 1 is a kind of structural representation of ground net corrosion condition monitoring system of this utility model.
In accompanying drawing, the list of parts representated by each label is as follows:
1st, Electrode, 2, reference electrode, 3, auxiliary electrode, 4, constant potential detection means, 5, wave filter, 6, A/D conversions
Device, 7, single-chip microcomputer, 8, display.
Specific embodiment
Principle of the present utility model and feature are described below in conjunction with accompanying drawing, example is served only for explaining this practicality
It is new, it is not intended to limit scope of the present utility model.
As shown in figure 1, a kind of ground net corrosion condition monitoring system, including Electrode 1, reference electrode 2, auxiliary electrode
3rd, constant potential detection means 4, wave filter 5, A/D converter 6 and single-chip microcomputer 7, the Electrode 1, reference electrode 2 and auxiliary electricity
Pole 3 is inserted in the soil at grounded screen, and the reference electrode 2 is placed between the Electrode 1 and auxiliary electrode 3, described
Electrode 1 and auxiliary electrode 3 are placed in parallel;The Electrode 1, reference electrode 2 and auxiliary electrode 3 mutually back to one side
By epoxy sealing;The Electrode 1, reference electrode 2 and auxiliary electrode 3 are logical with the constant potential detection means 4
Connection is crossed, the Electrode 1, reference electrode 2 and auxiliary electrode 3 are respectively induced the electric current of correspondence position, generate respectively
Current signal transfer is to constant potential detection means 4;The constant potential detection means 4, wave filter 5, A/D converter 6 and single-chip microcomputer 7
Connection is passed sequentially through, the constant potential detection means 4 is by the current signal of reference electrode 2 as benchmark and Electrode 1
Contrasted with the current signal of auxiliary electrode 3, generated current changing signal, the wave filter 5 and A/D converter 6 are right successively
Current changing signal is filtered and analog digital conversion, and transmits to single-chip microcomputer 7, and the single-chip microcomputer 7 is carried out to current changing signal
Collect and store;
Recorded by change to current signal, can with real-time assessment Electrode 1 and the corrosion condition of auxiliary electrode 3,
With the corrosion condition of Electrode 1 and auxiliary electrode 3 as reference, contrast draw the corrosion rate of grounded screen, corrosion depth and its
Electric property, is easy to the security performance to grounded screen to carry out real-time assessment, while ground net corrosion state can also be inquired about with electricity
The historical data of gas performance.
In above-described embodiment, also including display 8, the display 8 is connected with the single-chip microcomputer 7;Display 8 can be in real time
Curent change data are shown, is easy to user to understand corrosion rate, corrosion depth and its electric property of grounded screen in time.
In above-described embodiment, carried out by organic material between the Electrode 1, reference electrode 2 and auxiliary electrode 3 solid
It is fixed;It is fixed by organic material between Electrode 1, reference electrode 2 and auxiliary electrode 3, prevents relative position from occurring moving
Position, affects current detecting.
In above-described embodiment, connect in the making material and grounded screen of the Electrode 1, reference electrode 2 and auxiliary electrode 3
The making material of ground electrode is consistent;It is easy to Electrode 1, the corrosion rate of reference electrode 2 and auxiliary electrode 3, corrosion depth
And its electric property, it is that the extent of corrosion for assessing grounded screen makes reference.
Preferred embodiment of the present utility model is the foregoing is only, it is not to limit this utility model, all in this practicality
Within new spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in guarantor of the present utility model
Within the scope of shield.
Claims (4)
1. a kind of ground net corrosion condition monitoring system, it is characterised in that:Including Electrode (1), reference electrode (2), auxiliary
Electrode (3), constant potential detection means (4), wave filter (5), A/D converter (6) and single-chip microcomputer (7), the Electrode (1),
Reference electrode (2) and auxiliary electrode (3) are inserted in the soil at grounded screen, and the reference electrode (2) is placed in the research electricity
Between pole (1) and auxiliary electrode (3), the Electrode (1) and auxiliary electrode (3) are placed in parallel;The Electrode (1),
Reference electrode (2) and auxiliary electrode (3) mutually back to one side by epoxy sealing;The Electrode (1), reference electricity
Pole (2) and auxiliary electrode (3) with the constant potential detection means (4) by connection, the Electrode (1), reference
Electrode (2) and auxiliary electrode (3) are respectively induced the electric current of correspondence position, generate current signal transfer respectively and fill to constant potential detection
Put (4);The constant potential detection means (4), wave filter (5), A/D converter (6) and single-chip microcomputer (7) pass sequentially through circuit company
Connect, the constant potential detection means (4) is by the current signal of reference electrode (2) as benchmark and Electrode (1) and auxiliary electricity
The current signal of pole (3) is contrasted, and generates current changing signal, and the wave filter (5) and A/D converter (6) are successively to electricity
Stream variable signal is filtered and analog digital conversion, and transmits to single-chip microcomputer (7), and the single-chip microcomputer (7) is entered to current changing signal
Row collects and stores.
2. a kind of ground net corrosion condition monitoring system according to claim 1, it is characterised in that:Also include display (8),
The display (8) is connected with the single-chip microcomputer (7).
3. a kind of ground net corrosion condition monitoring system according to claim 1, it is characterised in that:The Electrode (1),
It is fixed by organic material between reference electrode (2) and auxiliary electrode (3).
4. a kind of ground net corrosion condition monitoring system according to any one of claims 1 to 3, it is characterised in that:It is described to grind
The making material for studying carefully electrode (1), reference electrode (2) and auxiliary electrode (3) is consistent with the making material of ground electrode in grounded screen.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201621099519.0U CN206074743U (en) | 2016-09-30 | 2016-09-30 | A kind of ground net corrosion condition monitoring system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201621099519.0U CN206074743U (en) | 2016-09-30 | 2016-09-30 | A kind of ground net corrosion condition monitoring system |
Publications (1)
Publication Number | Publication Date |
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CN206074743U true CN206074743U (en) | 2017-04-05 |
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CN201621099519.0U Expired - Fee Related CN206074743U (en) | 2016-09-30 | 2016-09-30 | A kind of ground net corrosion condition monitoring system |
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CN (1) | CN206074743U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110567869A (en) * | 2019-10-09 | 2019-12-13 | 云南电网有限责任公司大理供电局 | Method for judging local corrosion of grounding grid through corrosion potential distribution |
CN112326930A (en) * | 2020-11-05 | 2021-02-05 | 贵州电网有限责任公司 | Anticorrosive monitoring devices of transformer substation's ground net |
-
2016
- 2016-09-30 CN CN201621099519.0U patent/CN206074743U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110567869A (en) * | 2019-10-09 | 2019-12-13 | 云南电网有限责任公司大理供电局 | Method for judging local corrosion of grounding grid through corrosion potential distribution |
CN112326930A (en) * | 2020-11-05 | 2021-02-05 | 贵州电网有限责任公司 | Anticorrosive monitoring devices of transformer substation's ground net |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170405 Termination date: 20190930 |
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CF01 | Termination of patent right due to non-payment of annual fee |