CN1674393A - Overvoltage protector consitituted by multi-spark angle - Google Patents
Overvoltage protector consitituted by multi-spark angle Download PDFInfo
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- CN1674393A CN1674393A CN 200510041868 CN200510041868A CN1674393A CN 1674393 A CN1674393 A CN 1674393A CN 200510041868 CN200510041868 CN 200510041868 CN 200510041868 A CN200510041868 A CN 200510041868A CN 1674393 A CN1674393 A CN 1674393A
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Abstract
The present invention relates to an overvoltage protection device formed from several spark angles. Said protection device includes electrodes placed in an insulated closed external shell, said two electrodes are made into symmetrically-arranged prismatic table structure, and between said two electrodes an auxiliary igniting device made of insulating material is set, the above-mentioned two electrodes are formed into a pair of symmetrical V-shaped spark spaces, in the interior of V-shaped spark space also is set a concave-convex alternative arc-suppressing chute correspondent to said V-shaped spark space. Said invention also provides the working principle of overvoltagel protection device.
Description
Technical field
The present invention relates to a kind of overvoltage protection, particularly a kind of overvoltage protection that constitutes by a plurality of spark angle.
Background technology
In recent years, along with the develop rapidly of information-based industry, in the system because the harm that atmospheric over-voltage and switching overvoltage cause has caused that people pay attention to greatly.As the spark switch that various electrode shapes are arranged of overvoltage protection, existing a large amount of report.Wherein representative is the clearance type overvoltage protection that German phoenix contacts limited company.This installs the spark gap that is formed " V " font by two electrodes, during the igniting of gap, produces electric arc between two electrodes, and under the effect of electromagnetic force and heat, electric arc moves forward along V font spark gap.Its advantage is to bear bigger impulse current, and shortcoming is that operation voltage is higher, and the operation voltage less stable.Its improved mode is to have placed auxiliary ignition device between the corresponding end of electrode, can cause surface ignition.Compare with the air gap that only depends on air breakdown, have comparatively constant, especially little operation voltage.Because this clearance type overvoltage protecting device only is made of a pair of spark gap, through-flow ability still is subjected to certain restriction.Start late and China is used for the research work of the overvoltage protecting device of power-supply system, particularly the overvoltage protecting device research level of big discharge capacity is lower.
Summary of the invention
The objective of the invention is to overcome the shortcoming of above-mentioned prior art; a kind of overvoltage protection that is made of a plurality of spark angle is provided; this overvoltage protection has great derivation transient pulse electric current and suppresses superpotential ability; long useful life, and the subsequent current that power frequency supply produced had certain inhibitory action.
For achieving the above object, first kind of technical scheme that the present invention adopts is: comprise the electrode and the electrode that are arranged in the insulation sealing shell, be characterized in, two electrodes are symmetrically arranged terrace with edge structure and also are provided with the auxiliary ignition device that insulating material is made between two electrodes, two electrodes of terrace with edge structure have constituted the V font spark gap of a pair of symmetry, also are respectively arranged with in V font spark gap and the alternate arc-chute of the corresponding convex-concave of V-arrangement spark gap.
The terrace with edge electrode of two symmetries of the present invention constitutes two spark gaps, when gap breakdown, electric arc on the two pairs of spark gaps outwards moves under the effect of electromagnetic force simultaneously, compare with single spark gap structure, through-current capability has enlarged one times, and when electric arc entered arc-chute, the cooling by electric arc was divided into a plurality of electric arcs with electric arc, improve arc voltage, reached the purpose of arc extinguishing.
Second kind of technical scheme that the present invention adopts is: comprise two electrodes that are arranged in the insulation sealing shell, be characterized in, two electrodes are symmetrically arranged " V " font structure, two electrodes have formed the spark gap of two inside " V " fonts altogether, and the auxiliary ignition device that the insulating material that is respectively arranged with creeping discharge on the involutory surface of two electrodes is made also is provided with between " V " font spark gap and the alternate arc-chute of the corresponding convex-concave of " V " shape spark gap.
" V " shape electrode of two symmetries of the present invention constitutes two aspectant spark gaps, when gap breakdown, electric arc on two spark gaps simultaneously under the effect of electromagnetic force to relatively moving, compare with single spark gap structure, through-current capability has enlarged one times, and is provided with arc-chute between two " V " shape electrodes two pairs of electric arcs that relatively move can not crossed.
The third technical scheme that the present invention adopts is: comprise two electrodes that are arranged in the insulation sealing shell, be characterized in, two electrodes are symmetrically arranged frustum cone structure and also are provided with the auxiliary ignition device that insulating material is made between two electrodes, also are provided with the alternate arc-chute of convex-concave on the circular arc around the spark gap that two electrodes of frustum cone structure constitute.
Two symmetrical cone electrodes of the present invention have formed with central axis rotational symmetric " V " shape discharging gap, electric arc along cone electrode towards outside evenly diffusion, make this device have the ability of great derivation transient pulse electric current and transient overvoltage.
Description of drawings
Fig. 1 (a) is the structural representation of first kind of technical scheme of the present invention, and Fig. 1 (b) is the end view of Fig. 1 (a), and 1,2 is terrace with edge shape electrode among the figure, and 3 is auxiliary ignition device, and 4 is the arc extinguishing coral, and 5 are the insulation sealing shell, and 6 is spark gap, and 7 is the electrode inclined-plane;
Fig. 2 is the structural representation of the 2nd kind of technical scheme of the present invention, and 1-1,2-1 are terrace with edge shape electrode among the figure, and 3-1 is an auxiliary ignition device, and 4-1 is the arc extinguishing coral, and 5 are the insulation sealing shell, and 6-1 is a spark gap;
Fig. 3 is the structural representation of the 3rd kind of technical scheme of the present invention, and 1-2,2-2 are terrace with edge shape electrode among the figure, and 3-2 is an auxiliary ignition device, and 4-2 is the arc extinguishing coral, and 5-2 is the insulation sealing shell, and 6-2 is a spark gap.
Embodiment
Below in conjunction with accompanying drawing the present invention is described in further detail.
Embodiment 1: referring to Fig. 1, the present invention includes the electrode 1 and the electrode 2 that are arranged on the terrace with edge structure in the insulation sealing shell of making by aluminium oxide ceramics 5, the electrode 1 of terrace with edge structure and the rib of electrode 2 are set to chamfering structure, electrode 1 and electrode 2 have constituted the V font spark gap 6 of a pair of symmetry, between electrode 1 and electrode 2, also be provided with the auxiliary ignition device 3 that insulating material is made, the thickness of this auxiliary ignition device 3 is less than 1mm, and on the face of V font symmetry spark gap 6 with electrode 1,2 big or small identical, and on the face vertical with spark gap 6 greater than electrode 1,2 plane also is respectively arranged with metal or the ceramic material alternate with V-arrangement spark gap 6 corresponding convex-concaves and makes arc-chute 4 between V font spark gap 6.
The terrace with edge electrode 1,2 of two parallel symmetries of present embodiment constitutes two pairs of spark gaps 6, when gap breakdown, electric arc on the two pairs of spark gaps 6 outwards moves under the effect of electromagnetic force simultaneously, compares with single spark gap structure, and through-current capability has just enlarged one times; The electrode 1 of terrace with edge structure and the rib of electrode 2 are set to chamfering structure, electric arc is limited in along the inclined-plane 7 of terrace with edge electrode to be moved, and can not move along the rib of the trapezoidal electrode of terrace with edge, the auxiliary ignition device 5 that the insulating material that is provided with in the middle of the terrace with edge electrode of two parallel symmetries is made, this auxiliary ignition device 5 big or small identical with electrode 1,2 on the face of spark gap 6, and on the face vertical, exceed the parallel plane of electrode 1,2 with spark gap 6, to guarantee that electric arc moves along spark gap 6; The effect of the arc-chute 4 that is provided with in spark gap 6 is when electric arc enters arc-chute 4, and the cooling by electric arc is divided into a plurality of electric arcs with electric arc, has improved arc voltage, reaches the purpose of arc extinguishing.
Embodiment 2: referring to Fig. 2, the present invention includes " V " font structure electrode 1-1 and the electrode 2-1 that are symmetricly set in the insulation sealing shell of making by aluminium oxide ceramics 5, electrode 1-1 and electrode 2-1 have formed the spark gap 6-1 of two inside " V " fonts altogether, and the thickness that the insulating material that is respectively arranged with creeping discharge on the involutory surface of electrode 1-1 and electrode 2-1 is made is less than auxiliary ignition device 3-1 and the 3-1 of 1mm, also is provided with alternate with the corresponding convex-concave of " V " shape spark gap 6-1 to make arc-chute 4-1 by metal or ceramic material between " V " font spark gap 6-1.
The shaped design of present embodiment two electrode 1-1,2-1 becomes " V " font structure, two aspectant spark gap 6-1 of two electrode 1-1,2-1 formation staggered relatively, between two electrode 1-1,2-1, be provided with by insulating material simultaneously and constitute an auxiliary ignition device 3-1, and the alternate arc-chute 4-1 of convex-concave between setting and " V " shape spark gap 6-1, arc-chute 4-1 can not cross two pairs of electric arcs that relatively move.
Implementation column 3: referring to Fig. 3, the present invention includes the electrode 1-2 and the electrode 2-2 that are symmetricly set on the frustum cone structure in the insulation sealing shell of making by aluminium oxide ceramics 5, between electrode 1-2 and electrode 2-2, also be provided with thickness that insulating material makes auxiliary ignition device 3-2 less than 1mm, also be provided with on the circular arc around the spark gap 6-2 that the electrode 1-2 of frustum cone structure and electrode 2-2 constitute convex-concave alternate make arc-chute 4-2 by metal or ceramic material.
The shaped design of two electrode 1-2 of present embodiment and 2-2 becomes frustum cone structure, two electrode 1-2 and 2-2 are staggered relatively, formed the spark gap 6-2 that is " V " font symmetry everywhere, because electric arc is evenly spreading towards outer along cone electrode 1-2 and 2-2, so have the ability of withstand shocks greatly electric current and transient overvoltage, the auxiliary ignition device 3-2 that between the electrode 1-2 of two frustum cone structures and 2-2, is provided with, this auxiliary ignition device 3-2 is made when producing electric arc by insulating material, can not damage insulating material because of the effect of heat or produce carbon.Place annular arc-chute and be 90 ° with the electric arc moving direction.
Claims (10)
1, a kind of overvoltage protection that constitutes by a plurality of spark angle; comprise the electrode [1] and the electrode [2] that are arranged in the insulation sealing shell [5]; it is characterized in that: electrode [1] and electrode [2] are for symmetrically arranged terrace with edge structure and also be provided with the auxiliary ignition device [3] that insulating material is made between electrode [1] and electrode [2]; electrode of terrace with edge structure [1] and electrode [2] have constituted the V font spark gap [6] of a pair of symmetry, also are respectively arranged with the arc-chute [4] alternate with the corresponding convex-concave of V-arrangement spark gap [6] in V font spark gap [6].
2, the overvoltage protection that constitutes by a plurality of spark angle according to claim 1; it is characterized in that: the thickness of said auxiliary ignition device [3] is less than 1mm; and big or small identical with electrode [1,2] on the face of V font symmetry spark gap [6], and on the face vertical with spark gap [6] greater than the plane of electrode.
3, the overvoltage protection that is made of a plurality of spark angle according to claim 1 is characterized in that: the rib of said terrace with edge shape electrode [1] and electrode [2] is set to chamfering structure.
4, the overvoltage protection that is made of a plurality of spark angle according to claim 1 is characterized in that: said arc-chute [6] is made by metal or ceramic material.
5; a kind of overvoltage protection that constitutes by a plurality of spark angle; comprise the electrode [1-1] and the electrode [2-1] that are arranged in the insulation sealing shell [5]; it is characterized in that: electrode [1-1] and electrode [2-1] are symmetrically arranged " V " font structure; electrode [1-1] and electrode [2-1] have formed the spark gap [6-1] of two inside " V " fonts altogether; and auxiliary ignition device [3-1] and [3-1`] that the insulating material that is respectively arranged with creeping discharge on the involutory surface of electrode [1-1] and electrode [2-1] is made also are provided with the arc-chute [4-1] alternate with the corresponding convex-concave of " V " shape spark gap [6-1] between " V " font spark gap [6-1].
6, the overvoltage protection that is made of a plurality of spark angle according to claim 5 is characterized in that: said arc-chute [6-1] is made by metal or ceramic material.
7, the overvoltage protection that is made of a plurality of spark angle according to claim 5 is characterized in that: the thickness of said auxiliary ignition device [3-1] is less than 1mm.
8, a kind of overvoltage protection that constitutes by a plurality of spark angle; comprise the electrode [1-2] and the electrode [2-2] that are arranged in the insulation sealing shell [5]; it is characterized in that: electrode [1-2] and electrode [2-2] are for symmetrically arranged frustum cone structure and also be provided with the auxiliary ignition device [3-2] that insulating material is made between electrode [1-2] and electrode [2-2], and the spark gap [6-2] that electrode of frustum cone structure [1-2] and electrode [2-2] constitute also is provided with the alternate arc-chute of convex-concave [4-2] on the circular arc all around.
9, the overvoltage protection that is made of a plurality of spark angle according to claim 7 is characterized in that: said arc-chute [6-2] is made by metal or ceramic material.
10, the overvoltage protection that is made of a plurality of spark angle according to claim 8 is characterized in that: the thickness of said auxiliary ignition device [3-2] is less than 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100418687A CN100442624C (en) | 2005-03-28 | 2005-03-28 | Overvoltage protector consitituted by multi-spark angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100418687A CN100442624C (en) | 2005-03-28 | 2005-03-28 | Overvoltage protector consitituted by multi-spark angle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1674393A true CN1674393A (en) | 2005-09-28 |
| CN100442624C CN100442624C (en) | 2008-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100418687A Expired - Fee Related CN100442624C (en) | 2005-03-28 | 2005-03-28 | Overvoltage protector consitituted by multi-spark angle |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101227088B (en) * | 2007-11-30 | 2012-03-28 | 上海电科电器科技有限公司 | Multi spot spark triggering surge protector |
| CN103730273A (en) * | 2013-12-20 | 2014-04-16 | 吴江市东泰电力特种开关有限公司 | Double-acting power switch |
| CN103985577B (en) * | 2014-05-23 | 2016-12-07 | 国家电网公司 | A kind of portable power derailing switch |
| WO2021190666A1 (en) * | 2020-04-03 | 2021-09-30 | 郭桥石 | Arc extinguishing device |
| CN113612211A (en) * | 2021-07-22 | 2021-11-05 | 西安交通大学 | High-weldability controllable multilayer gap overvoltage protector based on copper-chromium alloy |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85100581B (en) * | 1985-04-01 | 1987-06-10 | 南京工学院 | Arrester capable of blocking carrier wave |
| JP2888754B2 (en) * | 1993-05-31 | 1999-05-10 | フェニックス、コンタクト、ゲゼルシャフト、ミット、ベシュレンクテル、ハフツング、ウント、コンパニー | Overvoltage protection device |
| CA2186707A1 (en) * | 1995-09-29 | 1997-03-30 | Gerhard Lange | Gas-filled overvoltage charge eliminator |
| DE19741658A1 (en) * | 1997-09-16 | 1999-03-18 | Siemens Ag | Gas-filled discharge gap e.g. spark gap or surge diverter |
-
2005
- 2005-03-28 CN CNB2005100418687A patent/CN100442624C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101227088B (en) * | 2007-11-30 | 2012-03-28 | 上海电科电器科技有限公司 | Multi spot spark triggering surge protector |
| CN103730273A (en) * | 2013-12-20 | 2014-04-16 | 吴江市东泰电力特种开关有限公司 | Double-acting power switch |
| CN103985577B (en) * | 2014-05-23 | 2016-12-07 | 国家电网公司 | A kind of portable power derailing switch |
| WO2021190666A1 (en) * | 2020-04-03 | 2021-09-30 | 郭桥石 | Arc extinguishing device |
| CN113612211A (en) * | 2021-07-22 | 2021-11-05 | 西安交通大学 | High-weldability controllable multilayer gap overvoltage protector based on copper-chromium alloy |
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| Publication number | Publication date |
|---|---|
| CN100442624C (en) | 2008-12-10 |
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Granted publication date: 20081210 Termination date: 20120328 |