CN203376421U - Electrified detection device for composite insulator string - Google Patents
Electrified detection device for composite insulator string Download PDFInfo
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- CN203376421U CN203376421U CN201320461283.0U CN201320461283U CN203376421U CN 203376421 U CN203376421 U CN 203376421U CN 201320461283 U CN201320461283 U CN 201320461283U CN 203376421 U CN203376421 U CN 203376421U
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- insulator string
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- 239000012212 insulator Substances 0.000 title claims abstract description 31
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 238000001514 detection method Methods 0.000 title claims abstract description 15
- 230000005684 electric field Effects 0.000 claims abstract description 77
- 239000000523 sample Substances 0.000 claims abstract description 36
- 238000012545 processing Methods 0.000 claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims abstract description 17
- 230000007246 mechanism Effects 0.000 claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 230000005611 electricity Effects 0.000 claims description 9
- 230000007547 defect Effects 0.000 abstract description 7
- 230000003321 amplification Effects 0.000 abstract 1
- 238000003199 nucleic acid amplification method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003449 preventive effect Effects 0.000 description 1
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Abstract
The utility model is applicable to the field of electric power detection, and provides an electrified detection device for a composite insulator string. The device comprises an insulating guide rail bracket arranged at the periphery of the composite insulator string, wherein the insulating guide rail bracket is symmetrically provided with at least two electric field probes, and the electric field probes are driven to operate by a motor mechanism on the insulating guide rail bracket. The device further comprises a displacement detector used for detecting the displacement of the electric field probes, wherein the displacement detector outputs detected position data to a central processing unit, the electric field probes output electric field data after detecting the electric field intensity, the electric field data is outputted to the central processing unit after passing through an amplification circuit and an analog-to-digital conversion circuit in sequence, the central processing unit is connected to a storage device and a display screen, the storage device is used for storing the electric field data and the position data, and the display screen is used for displaying a graph of the relation between the position and the electric field intensity. The electrified detection device provided by the utility model ensures the accuracy of defect detection of the composite insulator string through arranging the plurality of electric field probes, thereby effectively avoiding false detection.
Description
Technical field
The utility model belongs to the electric power detection field, relates in particular to a kind of composite insulator string measuring device with electricity.
Background technology
The detection method of high voltage composite insulators string defect mainly contains at present: infrared thermoviewer, its temperature variation according to composite insulator on ultra-high-tension power transmission line is detected, infrared thermoviewer can not be detected under the background stronger at light, and volume is larger, expensive and maintenance difficult; Visual method (domestic commonly used) is when the composite insulator outside surface has had obvious defect, just can observe, but the defect of composite insulator inside is difficult for being found, and is difficult to carry out preventive inspection and maintenance.
Currently there is a kind of method of analyzing the inherent vice of composite insulator string by detecting electric field intensity, concrete, utilize electric field probe to survey composite insulator string electric field intensity on every side, while containing low resistance or null value insulation in defectiveness or insulator string in composite insulator string, Electric Field Distribution around it will distorted, standard electric field distribution by with zero defect the time compares or processes by the data of analysis software, just can reach the purpose of detection.But, under actual conditions, while utilizing an electric field probe to survey electric field intensity, often error is larger, finally by constant error, examines.
The utility model content
In view of the above problems, the purpose of this utility model is to provide a kind of composite insulator string measuring device with electricity, is intended to solve existing pick-up unit detection error and greatly, easily causes the technical matters of flase drop.
The utility model is to realize like this, a kind of composite insulator string measuring device with electricity, comprise the insulating guide rail frame that is arranged on the composite insulator string periphery, on described insulating guide rail frame, symmetry is equipped with at least two electric field probes, described electric field probe drives operation by motor mechanism on described insulating guide rail frame, described device also comprises the displacement detector for detection of the electric field probe displacement, described displacement detector exports the position data detected to central processing unit, described electric field probe is exported the electric field data after electric field intensity being detected, described electric field data are passed through amplifying circuit successively, analog to digital conversion circuit exports described central processing unit to, described central processing unit is connected with for preserving the storer of described electric field data and position data, and for demonstrating the display screen of position electric field intensity graph of relation.
The beneficial effects of the utility model are: the utility model is by arranging a plurality of electric field probes, the mean value of the electric field data that central processing unit detects each electric field probe is as the current electric field intensity level, then be controlled in display screen and demonstrate position electric field intensity graph of relation, by comparing with the standard electric field distribution or processing by the data of analysis software, obtain specifically existing in composite insulator string the position of defect, compare with existing single electric field probe, improved accuracy in detection.
The accompanying drawing explanation
Fig. 1 is the structure principle chart of the composite insulator string measuring device with electricity that provides of the utility model embodiment.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
For technical scheme described in the utility model is described, below by specific embodiment, describe.
Fig. 1 shows the structure of the composite insulator string measuring device with electricity that the utility model embodiment provides, and only shows for convenience of explanation the part relevant to the utility model embodiment.
The composite insulator string measuring device with electricity that the present embodiment provides comprises: the insulating guide rail frame (not shown) that is arranged on the composite insulator string periphery, on described insulating guide rail frame, symmetry is equipped with at least two electric field probes 1, described electric field probe 1 drives operation by motor mechanism 2 on described insulating guide rail frame, described device also comprises the displacement detector 3 for detection of the electric field probe displacement, described displacement detector 3 exports the position data detected to central processing unit 4, described electric field probe is exported the electric field data after electric field intensity being detected, described electric field data are successively by amplifying circuit 5, analog to digital conversion circuit 6 exports described central processing unit 4 to, described central processing unit 4 is connected with for preserving the storer 7 of described electric field data and position data, and for demonstrating the display screen 8 of position electric field intensity graph of relation.
The present embodiment does not limit the structure of insulating guide rail frame, described at least two electric field probes 1 are arranged on described insulating guide rail frame, and can be under the driving of motor mechanism 2 on the insulating guide rail frame moving axially along composite insulator string, described insulating guide rail frame can be well isolated composite insulator string and electric field probe and relevant electronic circuit, guarantees not have influence on the electric field probe testing result.Described electric field probe 1 be take composite insulator string as the rotational symmetry distribution, the electric field data that each electric field probe detects are basically identical, in moving process, each electric field probe 1 output electric field data, and through described amplifying circuit 5, analog to digital conversion circuit 6 exports described central processing unit 4 to, described central processing unit 4 Real-time Collections or by described displacement detector 3 triggering collection electric field data, and calculate electric field mean value, accept the probe position data that described displacement detector 3 is uploaded simultaneously, central processing unit 4 is stored in electric field data (being preferably described electric field mean value) and position data in described storer 7, and be controlled on described display screen 8 and demonstrate position-electric field intensity graph of relation according to described electric field mean value and corresponding position data.In the present embodiment, described displacement detector 3 can be the active lever of physical construction, during every a slice cluster parachute through insulator chain, cluster parachute drives described active lever, active lever triggers described central processing unit 4 and gathers the electric field data, described displacement detector 3 can be also infrared distance sensor, and certain described displacement detector 3 can be also the detection computations circuit be connected with described motor mechanism 2, the position of determining electric field probe by working time and the rotating speed of motor.
The composite insulator string measuring device with electricity that the present embodiment provides includes at least two electric field probes, each probe can be exported the electric field data, central processing unit calculates average field intensity after collecting the electric field data, then will be according to the position data of described mean value and electric field probe, be controlled on the display screen be attached thereto and demonstrate position electric field intensity graph of relation, the staff is according to described curve map and standard electric field pattern are compared, analyze and whether have the electric field distortion point, can detect and meet insulator chain inside and whether have defect and concrete defective locations, because the present embodiment has adopted a plurality of electric field probes, the position electric field intensity graph of relation finally obtained is more accurate, avoided the flase drop situation.
To sum up, the utility model detects near electric field composite insulator strings by a plurality of electric field probes are set, and with existing single electric field probe, compares, and the testing result finally obtained is more accurate, avoids the flase drop situation.
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all any modifications of doing within spirit of the present utility model and principle, be equal to and replace and improvement etc., within all should being included in protection domain of the present utility model.
Claims (1)
1. a composite insulator string measuring device with electricity, it is characterized in that, described device comprises the insulating guide rail frame that is arranged on the composite insulator string periphery, on described insulating guide rail frame, symmetry is equipped with at least two electric field probes, described electric field probe drives operation by motor mechanism on described insulating guide rail frame, described device also comprises the displacement detector for detection of the electric field probe displacement, described displacement detector exports the position data detected to central processing unit, described electric field probe is exported the electric field data after electric field intensity being detected, described electric field data are passed through amplifying circuit successively, analog to digital conversion circuit exports described central processing unit to, described central processing unit is connected with for preserving the storer of described electric field data and position data, and for demonstrating the display screen of position-electric field intensity graph of relation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320461283.0U CN203376421U (en) | 2013-07-31 | 2013-07-31 | Electrified detection device for composite insulator string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320461283.0U CN203376421U (en) | 2013-07-31 | 2013-07-31 | Electrified detection device for composite insulator string |
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| Publication Number | Publication Date |
|---|---|
| CN203376421U true CN203376421U (en) | 2014-01-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320461283.0U Expired - Fee Related CN203376421U (en) | 2013-07-31 | 2013-07-31 | Electrified detection device for composite insulator string |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403815A (en) * | 2015-10-27 | 2016-03-16 | 沈阳工程学院 | Insulator live detection system and method based on wireless ad hoc network communication |
| CN106226665A (en) * | 2016-08-30 | 2016-12-14 | 武汉科迪奥电力科技有限公司 | High-voltage transmission line insulator distributed electric field detector and detecting system |
| CN117330883A (en) * | 2023-12-01 | 2024-01-02 | 国网山西省电力公司电力科学研究院 | Overhead line insulator running state monitoring system and method |
-
2013
- 2013-07-31 CN CN201320461283.0U patent/CN203376421U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105403815A (en) * | 2015-10-27 | 2016-03-16 | 沈阳工程学院 | Insulator live detection system and method based on wireless ad hoc network communication |
| CN106226665A (en) * | 2016-08-30 | 2016-12-14 | 武汉科迪奥电力科技有限公司 | High-voltage transmission line insulator distributed electric field detector and detecting system |
| CN117330883A (en) * | 2023-12-01 | 2024-01-02 | 国网山西省电力公司电力科学研究院 | Overhead line insulator running state monitoring system and method |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140101 Termination date: 20180731 |
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| CF01 | Termination of patent right due to non-payment of annual fee |