CN107329057A - A kind of electric branch based on binocular vision triggers the three-dimensional real-time observation device of experiment - Google Patents
A kind of electric branch based on binocular vision triggers the three-dimensional real-time observation device of experiment Download PDFInfo
- Publication number
- CN107329057A CN107329057A CN201710560899.6A CN201710560899A CN107329057A CN 107329057 A CN107329057 A CN 107329057A CN 201710560899 A CN201710560899 A CN 201710560899A CN 107329057 A CN107329057 A CN 107329057A
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- CN
- China
- Prior art keywords
- observation
- object lens
- electric branch
- eyepiece
- condensers
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Classifications
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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
- G01R31/1218—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 using optical methods; using charged particle, e.g. electron, beams or X-rays
-
- 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
- G01R31/003—Environmental or reliability tests
Abstract
The present invention relates to the three-dimensional real-time observation device that a kind of electric branch based on binocular vision triggers experiment, including：A number observation group, oil groove, No. two observation groups and copper electrode, an observation group and No. two observation groups are provided with orthogonal two slide rails, a number object lens are installed before a number video camera, a number eyepiece is installed before a number object lens, a condenser is provided with before a number eyepiece, a number light source is installed before a number condenser, No. two object lens are installed before No. two video cameras, No. two eyepieces are installed before No. two object lens, No. two condensers are installed before No. two eyepieces, No. two light sources are installed before No. two condensers, oil groove is installed between a number condenser and an eyepiece and No. two eyepieces and No. two condensers, copper electrode is provided with above oil groove.The electric branch real-time observation device of the present invention can observe the 3-D view of electric branch growth in real time, and compared to two dimensional image, graphics being capable of the truer growth characteristics for more accurately characterizing electric branch.
Description
Technical field
Trigger the three-dimensional of experiment the present invention relates to a kind of observation device, more particularly to a kind of electric branch based on binocular vision
Real-time observation device.
Background technology
With the development of high-voltage transmission network, new requirement is proposed to high voltage electric transmission cable, it is necessary to which stress levels are higher
CABLE MATERIALS, electric branch phenomenon is the important phenomenon in cable ageing process, research electric branch rise tree and growth characteristics, have
Important meaning.Existing electric branch triggers observation device, and general to carry out real-time monitored using microscope camera, sample is piece
Shape, inserts pin, with needle plate electrode, is triggered.The result that existing device is observed is a two dimensional image, but is actually drawn
Electricity branch is one three-dimensional.The projection of observed result 3-D view on one face, the image of gained exists
It is to lose really to a certain extent, exists to the theoretical analysis of electric branch and have a strong impact on.
The content of the invention
The invention aims to solve above-mentioned technical problem, and then provide a kind of electric branch based on binocular vision to draw
The three-dimensional real-time observation device of experiment is sent out, its is simple in construction, operation facility.
Technical scheme：
A kind of electric branch based on binocular vision triggers the three-dimensional real-time observation device of experiment, including：Number observation group, an oil
Groove, No. two observation groups and copper electrode,
An observation group and No. two observation groups are provided with orthogonal two slide rails, an observation group includes：
No. one is provided with before a number condenser, a light source, a video camera, an object lens and an eyepiece, a video camera
It is provided with before object lens, an object lens before an eyepiece, an eyepiece and is provided with a condenser, one is provided with before a condenser
Number light source；
No. two observation groups include：No. two condensers, No. two light sources, No. two video cameras, No. two object lens and No. two eyepieces,
It is provided with before No. two video cameras before No. two object lens, No. two object lens and No. two eyepieces is installed, is provided with before No. two eyepieces
No. two light sources are installed before No. two condensers, No. two condensers；
It is provided between a number condenser and an eyepiece and No. two eyepieces and No. two condensers above oil groove, oil groove
It is provided with copper electrode.
Further, an observation group and No. two observation groups are mutually perpendicular to.
Further, it is provided with copper earth plate in the oil groove.
The invention has the advantages that：
The electric branch real-time observation device of the present invention can observe the 3-D view of electric branch growth in real time, compared to two
Image is tieed up, graphics being capable of the truer growth characteristics for more accurately characterizing electric branch.For follow-up data processing and science
There is significance in research, resulting electric branch is real electric branch growth image, rather than electric branch growth image
The projection of one side wherein.
Brief description of the drawings
Fig. 1 is the shaft side figure of the present invention；
Fig. 2 is the top view of the present invention.
Embodiment
Below with reference to accompanying drawing, the present invention is described in detail.
A kind of electric branch based on binocular vision triggers the three-dimensional real-time observation device of experiment, including：Number observation group, an oil
Groove 4, No. two observation groups and copper electrode 10,
An observation group and No. two observation groups are provided with orthogonal two slide rails, an observation group includes：
Pacify before a number condenser 11, a light source 12, a video camera 1, an object lens 2 and an eyepiece 3, a video camera 1
Equipped with an object lens 2, it is provided with before an object lens 2 before an eyepiece 3, an eyepiece 3 and is provided with a condenser 11, No. one is gathered
A number light source 12 is installed before light microscopic 11；
No. two observation groups include：No. two condensers 5, No. two light sources 6, No. two video cameras 7, No. two object lens 8 and No. two
It is provided with before eyepiece 9, No. two video cameras 7 before No. two object lens 8, No. two object lens 8 and No. two eyepieces 9 is installed, No. two mesh
No. two light sources 6 are installed before No. two condensers 5, No. two condensers 5 are installed before mirror 9；
Oil groove 4 is installed between a number condenser 11 and an eyepiece 3 and No. two eyepieces 9 and No. two condensers 5, oil
The top of groove 4 is provided with copper electrode 10.
A number observation group and No. two observation groups are mutually perpendicular to.
Copper earth plate is provided with the oil groove.
Rod-Slab of electric branch initiation is made up of ac high-voltage source, copper rod 10, oil groove 4.Make sheet 10mm*
6*2 sample, minimal face is inserted up to bottom surface 2mm by the tungsten needle of electrochemical corrosion, is connect built in the conductive oil groove of gemel connection 4 of coated on bottom side
Ground copper coin, tungsten filament connects copper rod 10.According to requirement of experiment, select AC power.
Two sets of video cameras are connected with a capture card, the parameter of two sets of micro- fast cameras of adjustment obtains different view angles
The two dimensional image of degree, fixes two video cameras and scaling board, determines the true coordinate on each summit on each coordinate system and scaling board, obtains
Scaling board binocular image pair, image preprocessing extracts scaling board angle point, camera calibration.
Target object binocular image pair is obtained, image extracts image to characteristic point, Feature Points Matching is asked for pretreatment
Characteristic point space coordinate, completes the three-dimensional reconstruction of two dimensional image.
Claims (3)
1. a kind of electric branch based on binocular vision triggers the three-dimensional real-time observation device of experiment, including：Number observation group, an oil groove
(4), No. two observation groups and copper electrode (10), it is characterised in that
An observation group and No. two observation groups are provided with orthogonal two slide rails, an observation group includes：No. one
Condenser (11), a light source (12), a video camera (1), an object lens (2) and an eyepiece (3), a video camera
(1) it is provided with before before an object lens (2), an object lens (2) and an eyepiece (3) is installed, No. one is provided with before an eyepiece (3)
A light source (12) is installed before condenser (11), a condenser (11)；
No. two observation groups include：No. two condensers (5), No. two light sources (6), No. two video cameras (7), No. two object lens (8) and
No. two are provided with before No. two object lens (8), No. two object lens (8) are installed before No. two eyepieces (9), No. two video cameras (7)
No. two light sources (6) are installed before No. two condensers (5), No. two condensers (5) are installed before eyepiece (9), No. two eyepieces (9)；
Oil groove is installed between a number condenser (11) and an eyepiece (3) and No. two eyepieces (9) and No. two condensers (5)
(4), it is provided with copper electrode (10) above oil groove (4).
2. a kind of electric branch based on binocular vision triggers the three-dimensional real-time observation device of experiment according to claim 1, its
It is characterised by, an observation group and No. two observation groups are mutually perpendicular to.
3. a kind of electric branch based on binocular vision triggers the three-dimensional real-time observation device of experiment according to claim 1, its
It is characterised by, copper earth plate is provided with the oil groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560899.6A CN107329057A (en) | 2017-07-11 | 2017-07-11 | A kind of electric branch based on binocular vision triggers the three-dimensional real-time observation device of experiment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710560899.6A CN107329057A (en) | 2017-07-11 | 2017-07-11 | A kind of electric branch based on binocular vision triggers the three-dimensional real-time observation device of experiment |
Publications (1)
| Publication Number | Publication Date |
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| CN107329057A true CN107329057A (en) | 2017-11-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710560899.6A Pending CN107329057A (en) | 2017-07-11 | 2017-07-11 | A kind of electric branch based on binocular vision triggers the three-dimensional real-time observation device of experiment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489981A (en) * | 2018-03-01 | 2018-09-04 | 上海交通大学 | Electric branch three-dimensional configuration real-time detection apparatus |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344182A (en) * | 2013-07-25 | 2013-10-09 | 中国科学院自动化研究所 | System and method for measuring geometric size of sweetmeats based on binocular vision |
| CN205786911U (en) * | 2016-05-30 | 2016-12-07 | 南方电网科学研究院有限责任公司 | Insulant electric branch under tensile stress effect causes assay device |
| CN106290366A (en) * | 2016-08-08 | 2017-01-04 | 哈尔滨理工大学 | A kind of real-time observation device causing experiment for electric branch |
| CN205898695U (en) * | 2016-08-08 | 2017-01-18 | 哈尔滨理工大学 | A real -time observation device that is used for initiation of electric branch to test |
-
2017
- 2017-07-11 CN CN201710560899.6A patent/CN107329057A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103344182A (en) * | 2013-07-25 | 2013-10-09 | 中国科学院自动化研究所 | System and method for measuring geometric size of sweetmeats based on binocular vision |
| CN205786911U (en) * | 2016-05-30 | 2016-12-07 | 南方电网科学研究院有限责任公司 | Insulant electric branch under tensile stress effect causes assay device |
| CN106290366A (en) * | 2016-08-08 | 2017-01-04 | 哈尔滨理工大学 | A kind of real-time observation device causing experiment for electric branch |
| CN205898695U (en) * | 2016-08-08 | 2017-01-18 | 哈尔滨理工大学 | A real -time observation device that is used for initiation of electric branch to test |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108489981A (en) * | 2018-03-01 | 2018-09-04 | 上海交通大学 | Electric branch three-dimensional configuration real-time detection apparatus |
| CN108489981B (en) * | 2018-03-01 | 2021-01-08 | 上海交通大学 | Real-time detection device for three-dimensional shape of electric tree |
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Application publication date: 20171107 |