CN103414108A - Novel cavel combination gap - Google Patents

Novel cavel combination gap Download PDF

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Publication number
CN103414108A
CN103414108A CN2013103664391A CN201310366439A CN103414108A CN 103414108 A CN103414108 A CN 103414108A CN 2013103664391 A CN2013103664391 A CN 2013103664391A CN 201310366439 A CN201310366439 A CN 201310366439A CN 103414108 A CN103414108 A CN 103414108A
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China
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gap
slide block
electrode
base
base slide
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CN2013103664391A
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CN103414108B (en
Inventor
严玉婷
王亚舟
姚森敬
鲁海亮
杜祎
严骏宏
文习山
黄炜昭
余鹏
李博江
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Wuhan University WHU
Shenzhen Power Supply Bureau Co Ltd
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Wuhan University WHU
Shenzhen Power Supply Bureau Co Ltd
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Abstract

The invention discloses a novel cavel combination gap. The novel cavel combination gap comprises an H-shaped steel base, a first base sliding block, a second base sliding block, a third base sliding block, a cavel gap combination, an adjustable supporting column, a metal plate and a metal plate supporting seat. The first base sliding block, the second base sliding block and the third base sliding block are respectively embedded in the H-shaped steel base, and can slide along the H-shaped steel base; a first supporting column insulator is carried by the first base sliding block; the second base sliding block is used for supporting a second supporting column insulator; the metal plate is fixed to the second supporting column insulator through the metal plate supporting seat; the third base sliding block is used for carrying the adjustable supporting column; the cavel gap combination comprises a first insulator supporting column, a first cavel electrode arranged on the first insulator supporting column, the adjustable supporting column and a second cavel electrode arranged on the adjustable supporting column. Due to the implement of the novel cavel combination gap, the metal plate is additionally arranged between the cavel electrodes, and accordingly gap thunder and lightning withstand voltages of the gap under the same gap length condition can be increased and the power-frequency breakdown voltages of the gap can be reduced.

Description

A kind of Novel cleat combinational gap
Technical field
The present invention relates to the power technology field, relate in particular to a kind of Novel cleat combinational gap.
Background technology
At present, for the protection gap of power industry, mostly be single rod-rod gap or goat's horn gap etc., but this single gap is identical due to its discharge mechanism, so electrical characteristic is comparatively fixing.Combined electric is because its structure is special, the discharging law complexity, therefore, research less.Therefore be necessary to provide a kind of novel combinational gap, can change the tolerance amplitude of the different wave voltage in single gap, improve its electrical characteristic.
Summary of the invention
For solving the problems of the technologies described above, the embodiment of the present invention provides a kind of Novel cleat combinational gap, comprise: I-steel base, the first base slide block, the second base slide block, the 3rd base slide block, but goat's horn combinations of gaps adjustable fixing, metallic plate, metallic plate bearing;
Described the first base slide block, the second base slide block, the 3rd base slide block are entrenched in respectively on described I-steel base, can be along described I-steel base sliding, described first base slide block carrying the first post insulator, described the second base slide block is for carrying the second post insulator, and described metallic plate is fixed on described the second post insulator by described metallic plate bearing; But described the 3rd base slide block is for carrying described adjustable fixing;
Described goat's horn combinations of gaps comprises described the first insulator pillar and the first horn electrode arranged on it, but and the second horn electrode of described adjustable fixing and setting on it.
Wherein, regulate described the first base slide block, the second base slide block, distance between the 3rd base slide block, change the distance of described the first horn electrode and the second horn electrode and described metallic plate, to change the Electric Field Distribution between gap, the operating characteristics of regulating gap.
Wherein, described the first horn electrode is high-field electrode, and described the second horn electrode is low-field electrode.
Wherein, the tail end of described high-field electrode and low-field electrode is set to shape of threads.
Wherein, described high-field electrode employing tubular form and Surface Machining are careful about burr, its diameter Ф=16mm, long 300mm; The length of its tail end screw thread is 50mm.
Wherein, described high-field electrode adopts stainless steel.
Wherein, described low-field electrode is retractable electrode, and its middle part is provided be used to fixing the screw of its height.
Wherein, described the first post insulator top is equipped with nut, be used to inserting the screwed high-field electrode of tail end.
Implement Novel cleat combinational gap of the present invention; the two ends of its horn electrode and metallic plate are fixed on three slide blocks of a base, by adjusting slider, change the distance of gap and horn electrode and metallic plate; can change the Electric Field Distribution in protection gap, regulate the exercises characteristic in gap.Combinational gap adopts the goat's horn shape, and sparking electrode and arcing electrode separation, discharge voltage are stablized, ablation resistance is strong, and blow-out is rapid.
The accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of Novel cleat combinational gap of the present invention;
Fig. 2 is the end view of slide block and I-steel base in Novel cleat combinational gap of the present invention;
Fig. 3 is the schematic diagram that in Novel cleat combinational gap of the present invention, the I-steel base length is regulated;
Fig. 4 is the another structure chart of I-steel base in Novel cleat combinational gap of the present invention;
Fig. 5 is the low-field electrode end view in Novel cleat combinational gap of the present invention.
Embodiment
Before describing Novel cleat combinational gap of the present invention, at first as follows to the represented part description of label in diagram:
1 means the I-steel base; 2.3.4 mean respectively the first base slide block, the second base slide block, the 3rd base slide block; 5.6 mean respectively the first post insulator and the second post insulator; But 7 mean adjustable fixing; 8 mean adjustable for height bearing; 9 mean the bearing of fixed metal plate; 10,11 mean respectively the first horn electrode and the second horn electrode; 12 mean metallic plate.
Referring to Fig. 1, be the structural representation of Novel cleat combinational gap embodiment mono-of the present invention.
Novel cleat combinational gap in the present embodiment one of the present invention comprises: I-steel base 1, the first base slide block 2, the second base slide block 3, the 3rd base slide block 4, but goat's horn combinations of gaps adjustable fixing 7, metallic plate 12, metallic plate bearing 9;
Described the first base slide block 2, the second base slide block 3, the 3rd base slide block 4 are entrenched in respectively on described I-steel base 1, can slide along described I-steel base 1, described first base slide block 2 carrying the first post insulators 5, described the second base slide block 3 is be used to carrying the second post insulator 6, and described metallic plate 12 is fixed on described the second post insulator 6 by described metallic plate bearing 9; But described the 3rd base slide block 4 is be used to carrying described adjustable fixing 7;
Described goat's horn combinations of gaps comprises described the first insulator pillar 5 and the first horn electrode 10 arranged on it, but and the second horn electrode 11 of described adjustable fixing 7 and setting on it.
Wherein, regulate described the first base slide block 2, the second base slide blocks 3, distance between the 3rd base slide block 4, change the distance of described the first horn electrode 10 and the second horn electrode 11 and described metallic plate 12, to change the Electric Field Distribution between gap, the operating characteristics of regulating gap.
In concrete realization, described the first horn electrode 10 is high-field electrode, and described the second horn electrode 11 is low-field electrode.
Described high-field electrode 10 employing tubular form and Surface Machining are careful about burr, bar electrode diameter Ф=16mm, long 300mm and tail end leave the screw thread of 50mm, simultaneously, the afterbody of low-field electrode 11 also is provided with screw thread, when regulating clearance distance, test can twist high-field electrode 10 and low-field electrode 11, more accurate adjusting play distance.
In specific implementation, described high-field electrode 0 adopts stainless steel, can certainly adopt other conductive material.
I-steel base 1 two ends have respectively two I-steel to play firm effect, when weight of equipment is excessive, can prevent the skew of platform, for the distance of measurement clearance accurately provides support.
Concrete, as shown in Figure 2, described base slide block 4 is entrenched on I-steel base 1, but the above is being carried the first post insulator 5 and the second post insulator 6 and adjustable fixing 7, sliding position, conveniently regulate the spacing between each first horn electrode 10, metallic plate 12, the second horn electrode 11 arbitrarily.
In addition, as shown in Figure 3, the concrete length of I-steel base 1 of the present invention can be selected arbitrarily, in embodiment of the present invention, selects the I-steel base that 3m is long, 10cm is high.
Referring to Fig. 4, the I-steel that I-steel base 1 two ends are separately installed with 50cm plays fixation, prevents from that I-steel base 1 from swinging to disturb the measurement in gap, and illustrated dimensions is only for for example, not as restriction.
As shown in Figure 5, described low-field electrode 11 can arbitrarily be regulated height, and its scope is 750mm ~ 1400mm, and its top is equipped with nut, is convenient to screwed electrode and inserts.Low-field electrode 11 is by a hollow steel pipe box, another root hollow steel pipe to combine, outside steel pipe 700mm, inboard steel pipe 750mm, outside steel pipe the first half is equipped with an aperture, twist screws is with steel pipe in the middle of fixing, steel pipe top has the nut of diameter 16mm to facilitate, electrode to be finely tuned, and is convenient to alignment more accurately between the high and low pressure electrode.
The first post insulator 5 top installation high-voltage electrodes 10 can 360 ° rotation with more convenient and regulate accurately the horizontal alignment between high-field electrode, diameter has been installed is the nut of 16mm to its top simultaneously, is convenient to threaded high-field electrode 10 and inserts.
Implement the present invention; by the length of choosing different protections gap, can improve the thunder and lightning withstand voltage in gap; reduce power-frequency withstand voltage; and; the goat's horn shape is made at the two ends, gap; its good concentricity, sparking electrode and arcing electrode separation, discharge voltage are stablized, ablation resistance is strong, and blow-out is rapid.
By regulating the distance between goat's horn and metallic plate, change the operating characteristics in gap, can make at the tolerance value of comparing its lightning impulse voltage with the rod-rod gap of equal length and improve and the tolerance value reduction of power-frequency voltage.
Above disclosed is only a kind of preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the claims in the present invention, still belong to the scope that the present invention is contained.

Claims (8)

1. a Novel cleat combinational gap, is characterized in that, comprising: I-steel base, the first base slide block, the second base slide block, the 3rd base slide block, but goat's horn combinations of gaps adjustable fixing, metallic plate, metallic plate bearing;
Described the first base slide block, the second base slide block, the 3rd base slide block are entrenched in respectively on described I-steel base, can be along described I-steel base sliding, described first base slide block carrying the first post insulator, described the second base slide block is for carrying the second post insulator, and described metallic plate is fixed on described the second post insulator by described metallic plate bearing; But described the 3rd base slide block is for carrying described adjustable fixing;
Described goat's horn combinations of gaps comprises described the first insulator pillar and the first horn electrode arranged on it, but and the second horn electrode of described adjustable fixing and setting on it.
2. Novel cleat combinational gap as claimed in claim 1, it is characterized in that, regulate described the first base slide block, the second base slide block, distance between the 3rd base slide block, change the distance of described the first horn electrode and the second horn electrode and described metallic plate, to change the Electric Field Distribution between gap, the operating characteristics of regulating gap.
3. Novel cleat combinational gap as claimed in claim 2, is characterized in that, described the first horn electrode is high-field electrode, and described the second horn electrode is low-field electrode.
4. Novel cleat combinational gap as claimed in claim 3, is characterized in that, the tail end of described high-field electrode and low-field electrode is set to shape of threads.
5. Novel cleat combinational gap as claimed in claim 4, is characterized in that, described high-field electrode employing tubular form and Surface Machining are careful about burr, its diameter Ф=16mm, long 300mm; The length of its tail end screw thread is 50mm.
6. Novel cleat combinational gap as claimed in claim 5, is characterized in that, described high-field electrode adopts stainless steel.
7. Novel cleat combinational gap as described as any one in claim 1 to 6, is characterized in that, described low-field electrode is retractable electrode, and its middle part is provided be used to fixing the screw of its height.
8. Novel cleat combinational gap as claimed in claim 7, is characterized in that, described the first post insulator top is equipped with nut, be used to inserting the screwed high-field electrode of tail end.
CN201310366439.1A 2013-08-21 2013-08-21 A kind of goat's horn combinational gap Active CN103414108B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110907707A (en) * 2019-12-06 2020-03-24 广东电网有限责任公司 Device and method for testing influence of ground wire claw gap discharge on unmanned aerial vehicle

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0062816A1 (en) * 1981-04-03 1982-10-20 Emil Lange Overvoltage arrester apparatus
EP0406099A1 (en) * 1989-06-30 1991-01-02 Sediver, Societe Europeenne D'isolateurs En Verre Et Composite Alternating current power line insulator with a protective spark arrester
US5661262A (en) * 1996-08-23 1997-08-26 Wilk; Edward J. Horn gap adjustment mechanism
CN2779573Y (en) * 2005-01-13 2006-05-10 中国电力科学研究院 Compound transformer neutral point protection gap
CN1933268A (en) * 2006-09-06 2007-03-21 中国电力科学研究院 Controllable gap for protecting transformer neutral point
CN203536725U (en) * 2013-08-21 2014-04-09 深圳供电局有限公司 Novel cavel combination gap

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0062816A1 (en) * 1981-04-03 1982-10-20 Emil Lange Overvoltage arrester apparatus
EP0406099A1 (en) * 1989-06-30 1991-01-02 Sediver, Societe Europeenne D'isolateurs En Verre Et Composite Alternating current power line insulator with a protective spark arrester
US5661262A (en) * 1996-08-23 1997-08-26 Wilk; Edward J. Horn gap adjustment mechanism
CN2779573Y (en) * 2005-01-13 2006-05-10 中国电力科学研究院 Compound transformer neutral point protection gap
CN1933268A (en) * 2006-09-06 2007-03-21 中国电力科学研究院 Controllable gap for protecting transformer neutral point
CN203536725U (en) * 2013-08-21 2014-04-09 深圳供电局有限公司 Novel cavel combination gap

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110907707A (en) * 2019-12-06 2020-03-24 广东电网有限责任公司 Device and method for testing influence of ground wire claw gap discharge on unmanned aerial vehicle

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