CN105158648A - High-voltage cable fault early warning method based on intelligent olfaction - Google Patents
High-voltage cable fault early warning method based on intelligent olfaction Download PDFInfo
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- CN105158648A CN105158648A CN201510656767.4A CN201510656767A CN105158648A CN 105158648 A CN105158648 A CN 105158648A CN 201510656767 A CN201510656767 A CN 201510656767A CN 105158648 A CN105158648 A CN 105158648A
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- warning method
- cable fault
- fault early
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- 238000000034 method Methods 0.000 title claims abstract description 21
- 230000008786 sensory perception of smell Effects 0.000 title claims abstract description 10
- 239000007789 gas Substances 0.000 claims abstract description 46
- 230000032683 aging Effects 0.000 claims abstract description 8
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000001301 oxygen Substances 0.000 claims abstract description 7
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
- -1 oxygen anions Chemical class 0.000 claims abstract description 7
- 238000001514 detection method Methods 0.000 claims description 15
- 239000005022 packaging material Substances 0.000 claims description 7
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- 239000000460 chlorine Substances 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 3
- 239000004800 polyvinyl chloride Substances 0.000 claims description 3
- 238000012544 monitoring process Methods 0.000 abstract description 8
- 238000007599 discharging Methods 0.000 abstract 1
- 230000005684 electric field Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010891 electric arc Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000012113 quantitative test Methods 0.000 description 1
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- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Emergency Alarm Devices (AREA)
Abstract
The invention relates to the high voltage electric field, and especially relates to a high-voltage cable fault early warning method based on intelligent olfaction. A gas sensor is provided. The gas sensor is capable of detecting gas generated by aging discharging of a cable, and the gas includes ozone and oxygen anions. A central control CPU connected with the gas sensor is further provided. The CPU is capable of analyzing the obtained gas, and if the gas is detected, early warning is performed, according to the technical scheme, and compared with the prior art, the high-voltage cable fault early warning method has the advantages that the workload of a worker is substantially reduced, timely early warning and monitoring are realized.
Description
Technical field
The present invention relates to high-tension electricity field, particularly relate to the high-tension cable fault early warning method based on intelligent sense of smell.
Background technology
There are " on-line monitoring " and " infrared detection " two kinds of methods for the detection mode of high-tension cable incipient fault point in the world at present, but all there are some defects, as very high in " on-line monitoring " cost and cannot accurately find incipient fault point; " infrared detection " but test need be excavated in the not high high-tension cable of cost scene in cable duct, need a large amount of manpower, working strength is very big, and efficiency is low, is not suitable for promoting on a large scale.Due in high-tension cable incipient fault point deterministic process, the meeting bigger than normal of excavation site error causes a large amount of manpower wastes, and efficiency is extremely low.
Summary of the invention
The object of invention: in order to provide a kind of high-tension cable fault early warning method based on intelligent sense of smell of better effects if, specific purposes are shown in multiple substantial technological effects of concrete implementation section.
In order to reach as above object, the present invention takes following technical scheme:
Based on the high-tension cable fault early warning method of intelligent sense of smell, it is characterized in that,
Air inclusion sensor, the gas that described gas sensor can produce after the aging electric discharge of detection streamer, this gas comprises ozone and negative oxygen ion;
Also comprise in connecting with this gas sensor and control CPU, this CPU can analyze acquisition gas;
If this gas detected, then carry out early warning.
The further technical scheme of the present invention is, also comprises the step that the gas after to the packaging material high temperature ageing of high-tension cable is analyzed.
The further technical scheme of the present invention is, the packaging material of described high voltage cable is Polyvinylchloride, and pyrolytic gas is out chlorine.
Adopt the present invention of as above technical scheme, have following beneficial effect relative to prior art: this patent can greatly reduce workman's workload, accomplish timely early warning and monitoring.
Accompanying drawing explanation
In order to further illustrate the present invention, be described further below in conjunction with accompanying drawing:
Fig. 1 is inventive principle schematic diagram.
Embodiment
Be described embodiments of the invention below in conjunction with accompanying drawing, embodiment is not construed as limiting the invention:
Based on the high-tension cable fault early warning method of intelligent sense of smell, it is characterized in that,
Air inclusion sensor, the gas that described gas sensor can produce after the aging electric discharge of detection streamer, this gas comprises ozone or negative oxygen ion;
Also comprise in connecting with this gas sensor and control CPU, this CPU can analyze acquisition gas;
If this gas detected, then carry out early warning.The technique effect of the essence that the technical scheme at this place plays and implementation procedure thereof are as follows: the contact point of high-tension cable after weathering, will shelf depreciation, a large amount of electric arc can cause the ionization of air, by gas sensor detect to have ozone or negative oxygen ion near cable time, then can sentence it as possible trouble spot in advance, carry out early warning, need not single by-line carry out having investigated.
Further improvement opportunity scheme is, also comprises the step that the gas after to the packaging material high temperature ageing of high-tension cable is analyzed.The technique effect of the essence that the technical scheme at this place plays and implementation procedure thereof are as follows: the packaging material of described high voltage cable is Polyvinylchloride, and pyrolytic gas is out chlorine.If once find chlorine, excessive concentration, then can judge that cable is in the environment of high temperature, has been tending towards aging.
In a creative way, each effect above independently exists, and can also complete the combination of the above results with a nested structure.
It should be noted that, the packaging material of different high-temperature cables is different, and the gas of its high temperature release also may be inconsistent.Ozone sensor can reference concentration of ozone sensor-200580007897.X; The detection of negative oxygen ion also belongs to prior art, can reference: negative oxygen ion generator, this matured product.Because gas itself has certain leakage, even if in underground, the spilling of gas also can be detected, so this patent can greatly reduce workman's workload, accomplish timely early warning and monitoring.High-tension cable under the high temperature conditions (more than 100 DEG C) can produce special gas, is referred to as " characteristic gas ", by Modern gas detection technique, develops the portable gas checkout equipment for " characteristic gas ", accurately can read the content of " characteristic gas ".The solubility of " characteristic gas " content becomes positive relationship with the distance of incipient fault point, uses " dichotomy " can determine within the specific limits by trouble spot, and this project fixes tentatively this method for " characteristic gas method ".This checkout equipment is light, without the need to excavation, simple to operate, and test data analysis is direct, and this equipment both can carry out qualitative fast inspection to high-tension cable, also can quantitative test locating after discovery suspected malfunctions.The cable incipient fault point of 700 meters long (maximum lengths of domestic high-tension cable continuous segment) is searched, just can by within the specific limits clear and definite for incipient fault section by no more than five Gas Qualitative Analysis.After portable " characteristic gas method " detector adopting this project to develop, can greatly improve detection efficiency.
High voltage power cable is developing with the swift and violent impetus at home, and the operation maintenance of high-tension cable will become the major tasks of transmission of electricity administrative institute of each office from now on.
An important process in high-tension cable operation maintenance is exactly the detection of major insulation, and the current detection to cable major insulation, has Partial Discharge Detecting Technology, infrared detection technology.The live detection of feeder cable shelf depreciation or on-line monitoring are based on High Frequency Current Sensor, uhf sensor and ultrasonic sensor etc., and technology is comparatively ripe.But because shelf depreciation is when live detection or on-line monitoring, on-the-spot noise is very big, and technical difficulty is high, and on-line monitoring system is expensive, difficult in maintenance.Infrared detection technology can only detect for the exposed position of cable, and limitation is larger.Therefore, this project detects according to the characteristic gas produced during high-tension cable fault, expects to provide a kind of new thought to the fault detect of feeder cable.
It should be noted that, multiple schemes that this patent provides comprise basic scheme own, separate, mutually do not restrict, but it also can combine when not conflicting mutually, reaching multiple effect and jointly realizing.
more than show and describe ultimate principle of the present invention, principal character and advantage of the present invention.Those skilled in the art should understand the present invention and not be restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in claimed scope.
Claims (3)
1. based on the high-tension cable fault early warning method of intelligent sense of smell, it is characterized in that, air inclusion sensor, the gas that described gas sensor can produce after the aging electric discharge of detection streamer, this gas comprises ozone and negative oxygen ion; Also comprise in connecting with this gas sensor and control CPU, this CPU can analyze acquisition gas; If this gas detected, then carry out early warning.
2., as claimed in claim 1 based on the high-tension cable fault early warning method of intelligent sense of smell, it is characterized in that, also comprise the step that the gas after to the packaging material high temperature ageing of high-tension cable is analyzed.
3., as claimed in claim 2 based on the high-tension cable fault early warning method of intelligent sense of smell, it is characterized in that, the packaging material of described high voltage cable is Polyvinylchloride, and pyrolytic gas is out chlorine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510656767.4A CN105158648B (en) | 2015-10-13 | 2015-10-13 | High-tension cable fault early warning method based on intelligent smell |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510656767.4A CN105158648B (en) | 2015-10-13 | 2015-10-13 | High-tension cable fault early warning method based on intelligent smell |
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| CN105158648A true CN105158648A (en) | 2015-12-16 |
| CN105158648B CN105158648B (en) | 2019-02-22 |
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| CN201510656767.4A Expired - Fee Related CN105158648B (en) | 2015-10-13 | 2015-10-13 | High-tension cable fault early warning method based on intelligent smell |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109186786A (en) * | 2018-10-10 | 2019-01-11 | 西安交通大学 | Whether a kind of monitoring electrical equipment is in electrical contact the devices and methods therefor of overheat |
| CN109454643A (en) * | 2018-08-14 | 2019-03-12 | 国网浙江省电力有限公司 | A kind of substation's indoor environment hidden danger recognition methods and inspecting robot |
| CN109470971A (en) * | 2018-11-07 | 2019-03-15 | 北京思迈特科技有限公司 | System and crusing robot based on ozone concentration detection cable failure |
| CN110196378A (en) * | 2019-05-24 | 2019-09-03 | 北京海益同展信息科技有限公司 | Inside plant detection method, device, equipment and storage medium |
| CN112014682A (en) * | 2020-08-05 | 2020-12-01 | 深圳供电局有限公司 | Cable fault detection device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0666872A (en) * | 1992-08-21 | 1994-03-11 | Furukawa Electric Co Ltd:The | Method for detecting disconnection position of cable conductor |
| CN102253303A (en) * | 2010-05-05 | 2011-11-23 | 西门子公司 | Arrangement to detect fault electrical connection |
| CN103149324A (en) * | 2013-01-29 | 2013-06-12 | 温州电力局 | Method and device for high-tension switch cabinet gas detection |
| CN203071482U (en) * | 2013-01-29 | 2013-07-17 | 温州电力局 | High-tension switchgear having gas analysis function |
| CN203299330U (en) * | 2013-05-31 | 2013-11-20 | 航天科工深圳（集团）有限公司 | Underground cable monitoring device |
-
2015
- 2015-10-13 CN CN201510656767.4A patent/CN105158648B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0666872A (en) * | 1992-08-21 | 1994-03-11 | Furukawa Electric Co Ltd:The | Method for detecting disconnection position of cable conductor |
| CN102253303A (en) * | 2010-05-05 | 2011-11-23 | 西门子公司 | Arrangement to detect fault electrical connection |
| CN103149324A (en) * | 2013-01-29 | 2013-06-12 | 温州电力局 | Method and device for high-tension switch cabinet gas detection |
| CN203071482U (en) * | 2013-01-29 | 2013-07-17 | 温州电力局 | High-tension switchgear having gas analysis function |
| CN203299330U (en) * | 2013-05-31 | 2013-11-20 | 航天科工深圳（集团）有限公司 | Underground cable monitoring device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109454643A (en) * | 2018-08-14 | 2019-03-12 | 国网浙江省电力有限公司 | A kind of substation's indoor environment hidden danger recognition methods and inspecting robot |
| CN109186786A (en) * | 2018-10-10 | 2019-01-11 | 西安交通大学 | Whether a kind of monitoring electrical equipment is in electrical contact the devices and methods therefor of overheat |
| CN109470971A (en) * | 2018-11-07 | 2019-03-15 | 北京思迈特科技有限公司 | System and crusing robot based on ozone concentration detection cable failure |
| CN109470971B (en) * | 2018-11-07 | 2020-11-27 | 北京思迈特科技有限公司 | System for detecting cable fault based on ozone concentration and inspection robot |
| CN110196378A (en) * | 2019-05-24 | 2019-09-03 | 北京海益同展信息科技有限公司 | Inside plant detection method, device, equipment and storage medium |
| CN112014682A (en) * | 2020-08-05 | 2020-12-01 | 深圳供电局有限公司 | Cable fault detection device |
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| CN105158648B (en) | 2019-02-22 |
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Granted publication date: 20190222 |