CN105021960A - Enclosed temperature-control corona discharge device - Google Patents
Enclosed temperature-control corona discharge device Download PDFInfo
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- CN105021960A CN105021960A CN201510404905.XA CN201510404905A CN105021960A CN 105021960 A CN105021960 A CN 105021960A CN 201510404905 A CN201510404905 A CN 201510404905A CN 105021960 A CN105021960 A CN 105021960A
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- cylinder body
- corona discharge
- adjusting bolt
- electrode
- lower shell
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Abstract
The invention discloses an enclosed temperature-control corona discharge device which is characterized in that enclosed temperature-control corona discharge device comprises an upper cylinder body and a lower cylinder body, wherein the upper cylinder body and the lower cylinder body are connected through a hasp; the combined place of the upper cylinder body and the lower cylinder body is provided with a metal grid; the upper cylinder body is provided with an adjusting bolt in threaded connection with the upper cylinder body; a centre hole of the adjusting bolt is fixedly provided with a discharge electrode stretching into a cavity of the upper cylinder body; the bottom end of the lower cylinder body is provided with a grounding electrode in threaded connection with the lower cylinder body; a position adjusting bolt of the grounding electrode extends to a cavity of the lower cylinder body; the upper end of the position adjusting bolt of the grounding electrode is in threaded connection with a corona discharge platform; a heating wire wound on the position adjusting bolt, extending to the cavity of the lower cylinder body, of the grounding electrode is electrically connected with a temperature-control device. The enclosed temperature-control corona discharge device can adjust the distance between the discharge electrodes and a sample placed on the corona discharge platform according to the requirement of the experiment, can realize temperature control of the sample according to the temperature-control device, and has the advantages of being simple in structure, reliable in performance, convenient to operate, capable of realizing parameter adjustment of the corona discharge platform, and flexible and accurate to adjust and the like.
Description
Technical field
The present invention relates to a kind of closed type temperature controlled corona discharge electric installation, for carrying out discharge process to it in the process of the charge storage performance of test dielectric insulation performance or test function material.
Background technology
At society, electric energy has become a kind of indispensable energy, and especially in the 21 century that science and technology constantly improves, the demand of the mankind to electric power resource constantly expands.Further, China is vast in territory and the country that landform is various, complicated, and therefore, power transmission mode that is remote, extra-high voltage is comparatively extensive in China's application that maldistribution of the resources is even.In electric system, insulating property are one of important parameters of safeguards system safe operation, and the ecology potential of electric system will rely on the development of insulating material to a great extent.
Dielectric resistivity is usually all very high, and be called as insulator, its main purposes is exactly insulating material, and secondly, it can also be used for the preparation of electret and other functional materials.Each Novel electric dielectric material is before for electric insulation, and its performance all can through repeatedly testing, and an important step of test carries out pre-service to material exactly, to simulate its state operationally.Among all pretreated methods, corona discharge be current use the most extensively and a kind of method of excellent, since it comes out, enjoyed the favor of electric insulation area research personnel always, and have devised diversified corona discharge devices.But, existing most of corona discharge assembly has certain limitation in experiment parameter adjustment and setting, as: " High-Voltage Technology " of being sponsored by China Electric Power Research Institute and CSEE 06 phase in 2014, Wang Liming, the corona discharge assembly used in " in severe non-uniform electric field negative DC corona discharge ultraviolet characteristic " that the people such as Wan Shuwei, Bian Xingming deliver just also exists that anode-cathode distance can not adjust, be vulnerable to the problems such as the impact of laboratory internal air flowing in the process of testing.The appearance of these unfavorable factors often causes the result of experiment and actual conditions to occur obvious deviation, brings very large interference to research work.
Summary of the invention
The object of the invention is: substantial improvements and innovation are carried out to prior art, provide a kind of structure simple, dependable performance, convenient operation, the adjustment of corona discharge platform parameters can be realized, adjustment flexibly, closed type temperature controlled corona discharge electric installation accurately.
The technical scheme realizing the object of the invention employing is, a kind of closed type temperature controlled corona discharge assembly, it is characterized in that, it comprises: be connected by hasp with lower shell by upper shell, at upper shell and lower shell binding site, metallic grid is set, upper shell is provided with the adjusting bolt be threaded with upper shell, the sparking electrode stretched in upper shell cavity is fixed with in the center pit of adjusting bolt, the ground-electrode be threaded with lower shell is provided with in lower shell bottom, the positioning screw rod of ground-electrode stretches in lower shell cavity, the positioning screw rod upper end of ground-electrode is threaded with corona discharge platform, stretch into the ground-electrode in lower shell cavity positioning screw rod on solderless wrapped connection heating wire, heating wire is drawn by the hole of lower shell bottom and is electrically connected with attemperating unit.
Closed type temperature controlled corona discharge assembly of the present invention, experimentally requiredly can adjust sparking electrode and the sample separation be placed on corona discharge platform, the temperature realizing sample by attemperating unit controls, there is structure simple, dependable performance, convenient operation, can realize the adjustment of corona discharge platform parameters, adjust the advantages such as flexible, accurate.
Accompanying drawing explanation
Fig. 1 is closed type temperature controlled corona discharge electric installation structure cross-sectional schematic of the present invention.
In figure: 1 upper shell, 2 adjusting bolts, 3 metallic grids, 4 corona discharge platforms, 5 heating wire, 6 ground-electrodes, 7 sparking electrodes, 8 attemperating units, 9 hasps, 10 holes, 11 lower shells.
Embodiment
The invention will be further described to utilize drawings and Examples below.
With reference to Fig. 1, closed type temperature controlled corona discharge assembly of the present invention, comprise: be connected by hasp 9 with lower shell 11 by upper shell 1, at upper shell 1 and lower shell 11 binding site, metallic grid 3 is set, upper shell 1 is provided with the adjusting bolt 2 be threaded with upper shell 1, the sparking electrode 7 stretched in upper shell 1 cavity is fixed with in the center pit of adjusting bolt 2, the ground-electrode 6 be threaded with lower shell 11 is provided with in lower shell 11 bottom, the positioning screw rod of ground-electrode 6 stretches in lower shell 11 cavity, the positioning screw rod upper end of ground-electrode 6 is threaded with corona discharge platform 4, to transpose solderless wrapped connection heating wire 5 on screw rod stretching into the ground-electrode 6 in lower shell 11 cavity, heating wire 5 is drawn by the hole 10 of lower shell 11 bottom and is electrically connected with attemperating unit 8.
The example of closed type temperature controlled corona discharge assembly of the present invention: upper shell 1 and lower shell 11 all adopt PC material to make cylindrical cavity, the external diameter of cavity is 90mm, internal diameter is 80mm, overall height is 190mm, the height of upper shell 1 is 145 mm, the height of lower shell 11 is 45mm, sparking electrode 7 is a length is the draw point of 155mm, outer cover has a long 100mm, diameter 20mm, material is the adjusting bolt 2 of PC, the head thickness 10mm of adjusting bolt 2, diameter 30mm, under the draw point of sparking electrode 7, point stretches out the length of adjusting bolt 2 is 35mm, on the draw point of sparking electrode 7, ogival stretches out the length by length of adjusting bolt 2 head is 10mm, metallic grid 3 is stainless steel grid, for all pressing.Ground-electrode 6 adopts copper material, is cylindrical base bottom it, diameter 80mm, height 10mm, the positioning screw diameter 30mm of ground-electrode 6, corona discharge platform 4 diameter 60mm, thickness 3mm.
During use, first open hasp 9, upper shell 1 and lower shell 11 are separated, experiment sample is placed on corona discharge platform 4, re-use hasp 9 and upper shell 1 and lower shell 11 are connected to become entirety, adjustment attemperating unit 8 makes electric-heating-wire-heating to preset temperature, and sparking electrode 7 is connected with high-voltage power supply, the cylindrical base ground connection of ground-electrode 6, can start to carry out discharge process to sample.
Claims (1)
1. a closed type temperature controlled corona discharge assembly, it is characterized in that, it comprises: be connected by hasp with lower shell by upper shell, at upper shell and lower shell binding site, metallic grid is set, upper shell is provided with the adjusting bolt be threaded with upper shell, the sparking electrode stretched in upper shell cavity is fixed with in the center pit of adjusting bolt, the ground-electrode be threaded with lower shell is provided with in lower shell bottom, the positioning screw rod of ground-electrode stretches in lower shell cavity, the positioning screw rod upper end of ground-electrode is threaded with corona discharge platform, stretch into the ground-electrode in lower shell cavity positioning screw rod on solderless wrapped connection heating wire, heating wire is drawn by the hole of lower shell bottom and is electrically connected with attemperating unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404905.XA CN105021960A (en) | 2015-07-12 | 2015-07-12 | Enclosed temperature-control corona discharge device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510404905.XA CN105021960A (en) | 2015-07-12 | 2015-07-12 | Enclosed temperature-control corona discharge device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105021960A true CN105021960A (en) | 2015-11-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
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| CN201510404905.XA Pending CN105021960A (en) | 2015-07-12 | 2015-07-12 | Enclosed temperature-control corona discharge device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106055811A (en) * | 2016-06-07 | 2016-10-26 | 东北电力大学 | Method for calculating surface potential of insulating material after corona discharge based on charge simulation method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09196996A (en) * | 1996-01-23 | 1997-07-31 | Ngk Insulators Ltd | Device for testing corona discharge of insulation cylinder and testing method using the device |
| CN202196987U (en) * | 2011-08-25 | 2012-04-18 | 杭州景顺广播设备有限公司 | Adsorption graphite discharging device |
| CN203572919U (en) * | 2013-11-25 | 2014-04-30 | 国家电网公司 | Parameter-adjustable along-surface discharge test model |
| CN203858324U (en) * | 2014-01-07 | 2014-10-01 | 广东电网公司电力科学研究院 | High-repeatability standard along surface discharge model device |
| CN204029232U (en) * | 2014-06-16 | 2014-12-17 | 山东泰开变压器有限公司 | For the electric discharge apparatus for demonstrating of testing transformer |
-
2015
- 2015-07-12 CN CN201510404905.XA patent/CN105021960A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09196996A (en) * | 1996-01-23 | 1997-07-31 | Ngk Insulators Ltd | Device for testing corona discharge of insulation cylinder and testing method using the device |
| CN202196987U (en) * | 2011-08-25 | 2012-04-18 | 杭州景顺广播设备有限公司 | Adsorption graphite discharging device |
| CN203572919U (en) * | 2013-11-25 | 2014-04-30 | 国家电网公司 | Parameter-adjustable along-surface discharge test model |
| CN203858324U (en) * | 2014-01-07 | 2014-10-01 | 广东电网公司电力科学研究院 | High-repeatability standard along surface discharge model device |
| CN204029232U (en) * | 2014-06-16 | 2014-12-17 | 山东泰开变压器有限公司 | For the electric discharge apparatus for demonstrating of testing transformer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106055811A (en) * | 2016-06-07 | 2016-10-26 | 东北电力大学 | Method for calculating surface potential of insulating material after corona discharge based on charge simulation method |
| CN106055811B (en) * | 2016-06-07 | 2019-05-03 | 东北电力大学 | The calculation method of insulating materials surface potential after corona discharge based on Analogue charge method |
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Application publication date: 20151104 |