CN109239559A - A kind of combined type for learning gas discharging law is adjustable experimental electrode - Google Patents
A kind of combined type for learning gas discharging law is adjustable experimental electrode Download PDFInfo
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- CN109239559A CN109239559A CN201811359686.8A CN201811359686A CN109239559A CN 109239559 A CN109239559 A CN 109239559A CN 201811359686 A CN201811359686 A CN 201811359686A CN 109239559 A CN109239559 A CN 109239559A
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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
- G01R31/1263—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 solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
- G01R31/1281—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 solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation of liquids or gases
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
- G01R1/02—General constructional details
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Abstract
The present invention relates to a kind of adjustable experimental electrodes of the combined type for learning gas discharging law, including connection electrode, upper flat plate electrode, needle electrode, lower plate electrode, upper mounting plate, lower installation board, insulating support rod, pass through the coupling part of connection electrode lower end and the screw-mounting portion of upper flat plate electrode, needle electrode, it realizes the quick-replaceable of upper flat plate electrode and needle electrode, operates more convenient;By the screw-mounting portion and wing nut of connection electrode upper end, realize that electrode spacing is adjustable;And in the present invention, connection electrode medium design has scale part, and range 0-100mm, precision 1mm can make the adjusting of electrode spacing more accurate according to the displacement at the edge of insulating sleeve and scale part.Therefore, when carrying out gas discharge Rule, replacement electrode shape is more convenient quickly, and electrode spacing adjusts not only convenient but also accurate.
Description
Technical field
The present invention relates to High-Voltage Experiment technical fields, and in particular to a kind of combination for learning gas discharging law
Formula is adjustable experimental electrode.
Background technique
In Electrical Engineering field, high-voltage test techniques are indispensable component parts.In high-voltage test
The research of basic physical process and discharging law to gas discharge is particularly significant.The basic theories of gas discharge includes Townsend reason
By and stream theory, they be all by test based on.Since the development process of gas discharge is more complicated, influence factor compared with
It is more, it is desirable to seek discharging law with the method for theoretical calculation and be difficult, it is necessary to study discharge mechanism by the method for experiment.
So carrying out gas discharge experiment is still that learning gas discharges the important means of basic physical process.And the class of gas discharge
Type has very much, and such as creeping discharge, corona discharge, these electric discharges are all related with electrode, and shape and the electrode spacing of electrode determine
The distribution of electric field.Therefore, electrode is that gas discharge tests important building block, common electrode structure have needle-plate electrode and
Plate-plate electrode.By the discharge test of gas under different electrode structure and Different electrodes spacing, have more to gas discharge rule
Add intuitive understanding.When being tested, the flash-over characteristic of gas, needle-plate electrode mould under plate-plate electrode simulation uniform electric field
Flash-over characteristic under quasi- non-uniform electric field.The distance between electrode is also the factor for influencing gas discharge voltage, with electrode spacing
From increase, changes will occur for the uniformity coefficient and discharge voltage of electric field.Therefore, when being tested, the shape of electrode with
Electrode spacing is all an important factor for influencing gas discharge characteristic.
Currently, most of electrodes for learning gas electric discharge are all single electrode structures in laboratory, carrying out
After the experiment of needle-plate electrode system, by this group of electrode system integral replacing, the experiment of plate-plate electrode system just can be carried out,
Operating process is complicated.And measuring electrode spacing manually adjusts again after installation is complete, and measuring accuracy is relatively low.It is put according to gas
Electric experimental standard, it is desirable that it takes multiple measurements, the step of this adds increased experimental implementations, it is inconvenient.
Therefore, design it is a kind of can electrode structure is readily replaceable and electrode spacing adjust and not only facilitate but also accurate experiment electricity
Pole is very necessary.
Summary of the invention
It is an object of the invention to solve experimental electrode system conversion when learning gas discharging law in laboratory at present
The relatively low problem of the accuracy that process is complicated and electrode spacing is adjusted, providing a kind of electrode structure can be used in combination, replace and facilitate
And the experimental electrode that electrode spacing can be adjusted accurately.
The technical scheme adopted by the invention is that: a kind of experiment that combined type for learning gas discharging law is adjustable electricity
Pole, including connection electrode (1), upper flat plate electrode (8), needle electrode (10), lower plate electrode (9), upper mounting plate (11), lower peace
Loading board (12), insulating support rod (4), the connection electrode (1) include the first screw-mounting portion (14), scale part (15) and
Coupling part (16);The upper flat plate electrode (8) and the needle electrode (10) pass through the company of screw thread and the connection electrode (1)
Socket part point (16) is connected;The upper mounting plate (11) and the lower installation board (12) connect with the insulating support rod (4) respectively
It connects;It is equipped with the connection electrode (1) on the upper mounting plate (11), the lower plate is installed on the lower installation board (12)
Electrode (9).
As limitation of the invention further, the middle position of the upper mounting plate (11) is equipped with installation connection electrode
(1) circular hole;Wing nut (2) and insulating sleeve (7) are installed on the connection electrode (1);Wing nut (2) setting
On upper mounting plate (11), the upper end of the insulating sleeve (7) is pasted onto the intermediate circular hole of upper mounting plate (11).
As limitation of the invention further, the middle position of the lower installation board (12) is equipped with installation lower plate electrode
(9) circular hole;The lower plate electrode (9) includes upper round plate (21) and the 4th screw-mounting portion (22), passes through third
Nut (13) is fixed on lower installation board (12).
As limitation of the invention further, the upper flat plate electrode (8) include the second screw-mounting portion (17) and
Upper circle plate (18);The needle electrode (10) includes third screw-mounting portion (19) and pin electrode (20);It is described flat
Plate electrode (8) and the needle electrode (10) pass through the second screw-mounting portion (17) and third screw-mounting portion (19) respectively
It is fixed on the coupling part (16) of connection electrode (1) lower end.
As limitation of the invention further, the upper mounting plate (11) and lower installation board (12) are that rectangle epoxy is exhausted
Listrium, the insulating support rod (4) have four, are cylindrical epoxy insulating bar, and be threaded;The upper mounting plate
(11), the lower installation board (12) and the insulating support rod (4) are fixed by the first nut (3) and the second nut (5);It is described
Upper mounting plate (11) and the lower installation board (12) are parallel and vertical with the insulating support rod (4).
As limitation of the invention further, the bottom of the insulating support rod (4) is equipped with cross-over block (6).
The beneficial effects of the present invention are: the present invention provides a kind of adjustable experiment of the combined type for learning gas discharging law
Electrode, including connection electrode, upper flat plate electrode, needle electrode, lower plate electrode, upper mounting plate, lower installation board, insulating supporting
Bar realizes upper flat plate electricity by the coupling part of connection electrode lower end and the screw-mounting portion of upper flat plate electrode, needle electrode
The quick-replaceable of pole and needle electrode operates more convenient;By the screw-mounting portion and wing nut of connection electrode upper end,
Realize that electrode spacing is adjustable;And in the present invention, connection electrode medium design has scale part, range 0-100mm, essence
Degree can make the adjusting of electrode spacing more accurate for 1mm according to the displacement at the edge of insulating sleeve and scale part.Therefore,
When carrying out gas discharge Rule, replacement electrode shape is more convenient quickly, and electrode spacing adjusts not only convenient but also accurate.
Detailed description of the invention
Fig. 1 is a kind of structural representation of the adjustable experimental electrode of combined type for learning gas discharging law of the present invention
Figure;
Fig. 2 is the structural schematic diagram of connection electrode in Fig. 1;
Fig. 3 is the structural schematic diagram of upper flat plate electrode in Fig. 1;
Fig. 4 is the structural schematic diagram of needle electrode in Fig. 1;
Fig. 5 is the structural schematic diagram of lower plate electrode in Fig. 1;
In figure: 1 is connection electrode;2 be wing nut;3 be the first nut;4 be insulating support rod;5 be the second nut;6 be exhausted
Edge cushion block;7 be insulating sleeve;8 be upper flat plate electrode;9 be lower plate electrode;10 be needle electrode;11 be upper mounting plate;12
For lower installation board;13 be third nut;14 be the first screw-mounting portion;15 be scale part;16 be coupling part;17 be
Two screw-mounting portions;18 be upper round plate;19 be third screw-mounting portion;20 be pin electrode;21 be lower round plate;
22 be the 4th screw-mounting portion.
Specific embodiment
Below in conjunction with attached drawing, the present invention is described in detail.In addition, in the following description, being omitted to known features
With the description of technology, so as not to unnecessarily obscure the concept of the present invention.
In conjunction with shown in Fig. 1 to Fig. 5, the adjustable experiment of a kind of combined type for learning gas discharging law of the present invention
Electrode includes connection electrode (1), wing nut (2), the first nut (3), insulating support rod (4), the second nut (5), felt pad
Block (6), insulating sleeve (7), upper flat plate electrode (8), lower plate electrode (9), needle electrode (10), upper mounting plate (11), lower peace
Loading board (12), third nut (13), screw-mounting portion (14), scale part (15), coupling part (16), the installation of the second screw thread
Partially (17), upper round plate (18), third screw-mounting portion (19), pin electrode (20), lower round plate (21) and the 4th
Screw-mounting portion (22).
Upper mounting plate (11) is identical with lower installation board (12) shape, is rectangle epoxy insulating board, length 400mm,
Width is 300mm, with a thickness of 20mm, is placed in parallel and vertical with insulating support rod (4);Peace is provided among upper mounting plate (11)
The circular hole of load receiving electrode (1), diameter 12mm, four ends are provided with the circular hole for installing insulating support rod (4), diameter at angle
For 10mm;The circular hole of installation lower plate electrode (10), diameter 10mm, four end Angle Positions are provided among lower installation board (12)
It is provided with the circular hole of installation insulating support rod (4), diameter 10mm;The quantity of insulating support rod (4) is four, and diameter is
10mm, length 300mm, is threaded, and respectively passes through the circular hole of upper mounting plate (11) and lower installation board (12), leads to
It crosses the first nut (3) and the second nut (5) is fixed, the bottom of insulating support rod (4) is threaded into cross-over block (6);Absolutely
The length of edge sleeve is 120mm, interior diameter 10mm, overall diameter 12mm, and upper end is pasted onto upper mounting plate (11) middle position
Diameter is in the circular hole of 12mm.
Referring to figs. 1 and 2, connection electrode (1) is processed into cylinder by copper rod, the first screw thread installation including upper end
Partially (14), intermediate scale part (15) and lower end coupling part (16), the length of the first screw-mounting portion (14) is
120mm, diameter 10mm, middle section are provided with scale, the range of scale part (15) in 0-100mm, scale division value 1mm,
The length of the coupling part (16) of lower section is 50mm, diameter 25mm, and inside is machined with the spiral shell that depth is 25mm, diameter is 10mm
Hole.
In conjunction with shown in Fig. 1 and Fig. 3, upper flat plate electrode (8) is process by brass, including the second screw-mounting portion (17)
With upper round plate (18), the length of the second screw-mounting portion (17) is 50mm, diameter 10mm, upper circle plate (18)
Diameter is 120mm, with a thickness of 15mm.
In conjunction with shown in Fig. 1 and Fig. 4, needle electrode (10) is processed into cylinder, including third screw-mounting portion by brass
(19) and pin electrode (20), the length of needle electrode (10) are 65mm, and needle point radius of curvature is 1mm.
Referring to figure 1 and figure 5, lower plate electrode (9) is process by brass, including upper round plate (21) and the 4th
The diameter of screw-mounting portion (22), upper circle plate (21) is 120mm, with a thickness of 15mm, the 4th screw-mounting portion (22)
Length be 50mm, diameter 10mm.
In conjunction with shown in Fig. 1 to Fig. 5, connection electrode (1) passes through the coupling part (16) of lower end and the second screw-mounting portion
(17), third screw-mounting portion (19) are connect with upper flat plate electrode (8) and needle electrode (10) respectively, and realization is carrying out gas
The quick-replaceable of electrode shape when the experiment of body discharging law.First screw-mounting portion (14) of connection electrode (1) upper end is logical
Wing nut (2) and insulating sleeve (7) are crossed, upper mounting plate (11) middle position is fixed on.Lower plate electrode (9) and upper flat plate electricity
Pole (8) relatively, is fixed on lower installation board (12) by the 4th screw-mounting portion (22) and third nut (13).It is testing
When, the position of wing nut (2), screw-mounting portion (14) is adjusted, according to the edge of insulating sleeve (7) and scale part (15)
Displacement can not only facilitate but also accurately adjust interelectrode distance.
Above embodiments are exemplary description of this patent, do not limit its protection scope, those skilled in the art
Member can also be changed its part, as long as it does not exceed the essence of this patent, within the protection scope of the present patent.
Claims (6)
1. a kind of combined type for learning gas discharging law is adjustable experimental electrode, including connection electrode (1), upper flat plate electrode
(8), needle electrode (10), lower plate electrode (9), upper mounting plate (11), lower installation board (12), insulating support rod (4), the company
Receiving electrode (1) includes the first screw-mounting portion (14), scale part (15) and coupling part (16);The upper flat plate electrode
(8) it is connected by screw thread with the coupling part (16) of the connection electrode (1) with the needle electrode (10);The upper installation
Plate (11) and the lower installation board (12) are connect with the insulating support rod (4) respectively;It is equipped on the upper mounting plate (11)
The connection electrode (1) is equipped with the lower plate electrode (9) on the lower installation board (12).
2. a kind of adjustable experimental electrode of combined type for learning gas discharging law, feature exist according to claim 1
In: the middle position of the upper mounting plate (11) is equipped with the circular hole of installation connection electrode (1), and four ends are provided with installation at angle
The circular hole of insulating support rod (4);Wing nut (2) and insulating sleeve (7) are installed on the connection electrode (1);It is described wing
Nut (2) is arranged on upper mounting plate (11), and the upper end of the insulating sleeve (7) is pasted onto the intermediate circular hole of upper mounting plate (11)
It is interior.
3. a kind of adjustable experimental electrode of combined type for learning gas discharging law, feature exist according to claim 1
In: the middle position of the lower installation board (12) is equipped with the circular hole of installation lower plate electrode (9), and four ends are provided with peace at angle
Fill the circular hole of insulating support rod (4);The lower plate electrode (9) includes upper round plate (21) and the 4th screw-mounting portion
(22), it is fixed on lower installation board (12) by third nut (13).
4. a kind of adjustable experimental electrode of combined type for learning gas discharging law, feature exist according to claim 1
In: the upper flat plate electrode (8) includes the second screw-mounting portion (17) and upper round plate (18);The needle electrode (10)
Including third screw-mounting portion (19) and pin electrode (20);The upper flat plate electrode (8) and the needle electrode (10) are respectively
The coupling part of connection electrode (1) lower end is fixed on by the second screw-mounting portion (17) and third screw-mounting portion (19)
(16).
5. a kind of adjustable experimental electrode of combined type for learning gas discharging law, feature exist according to claim 1
It is rectangle epoxy insulating board in: the upper mounting plate (11) and lower installation board (12), the insulating support rod (4) has four,
For cylindrical epoxy insulating bar, and it is threaded;The upper mounting plate (11), the lower installation board (12) and the insulation
Support rod (4) is fixed by the first nut (3) and the second nut (5);The upper mounting plate (11) and the lower installation board (12)
It is parallel and vertical with the insulating support rod (4).
6. a kind of adjustable experimental electrode of combined type for learning gas discharging law, feature exist according to claim 1
In: the bottom of the insulating support rod (4) is equipped with cross-over block (6).
Priority Applications (1)
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CN201811359686.8A CN109239559A (en) | 2018-11-15 | 2018-11-15 | A kind of combined type for learning gas discharging law is adjustable experimental electrode |
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CN201811359686.8A CN109239559A (en) | 2018-11-15 | 2018-11-15 | A kind of combined type for learning gas discharging law is adjustable experimental electrode |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110133453A (en) * | 2019-04-09 | 2019-08-16 | 国网浙江省电力有限公司电力科学研究院 | It is a kind of for observing the device of multilayer oil-impregnated paper insulation discharge process |
CN112595946A (en) * | 2021-03-02 | 2021-04-02 | 奥顿电气集团有限公司 | Insulating paperboard electrical strength experiment electrode |
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CN205317896U (en) * | 2016-01-28 | 2016-06-15 | 哈尔滨理工大学 | A electrode system for studying insulating sample agine mechaism of slice |
CN206193171U (en) * | 2016-11-24 | 2017-05-24 | 华北电力科学研究院有限责任公司 | Simulation medium partial discharge's electrode model |
CN209432943U (en) * | 2018-11-15 | 2019-09-24 | 哈尔滨理工大学 | A kind of combined type for learning gas discharging law is adjustable experimental electrode |
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CN101957423A (en) * | 2010-09-16 | 2011-01-26 | 中国电力科学研究院 | Device for testing insulating property of high-voltage oiled paper |
CN203630277U (en) * | 2013-11-08 | 2014-06-04 | 中国石油天然气股份有限公司 | Transformer oil lightning impulse breakdown voltage testing electrode cup |
CN203595782U (en) * | 2013-11-25 | 2014-05-14 | 国家电网公司 | Parameter adjustable internal discharge test model |
CN204214998U (en) * | 2014-12-08 | 2015-03-18 | 哈尔滨理工大学 | Gas discharge experimental provision under unconventional condition |
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Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110133453A (en) * | 2019-04-09 | 2019-08-16 | 国网浙江省电力有限公司电力科学研究院 | It is a kind of for observing the device of multilayer oil-impregnated paper insulation discharge process |
CN110133453B (en) * | 2019-04-09 | 2021-06-11 | 国网浙江省电力有限公司电力科学研究院 | Device for observing insulating discharge process of multilayer oil-impregnated paper |
CN112595946A (en) * | 2021-03-02 | 2021-04-02 | 奥顿电气集团有限公司 | Insulating paperboard electrical strength experiment electrode |
CN112595946B (en) * | 2021-03-02 | 2021-05-07 | 奥顿电气集团有限公司 | Insulating paperboard electrical strength experiment electrode |
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Application publication date: 20190118 |