WO2006128761A1 - Gekapselte, druckfest ausgeführte, nicht hermetisch dichte, rotationssymmetrische hochleistungsfunkenstrecke - Google Patents
Gekapselte, druckfest ausgeführte, nicht hermetisch dichte, rotationssymmetrische hochleistungsfunkenstrecke Download PDFInfo
- Publication number
- WO2006128761A1 WO2006128761A1 PCT/EP2006/061731 EP2006061731W WO2006128761A1 WO 2006128761 A1 WO2006128761 A1 WO 2006128761A1 EP 2006061731 W EP2006061731 W EP 2006061731W WO 2006128761 A1 WO2006128761 A1 WO 2006128761A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cup
- spark gap
- electrode
- disc
- gas
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T2/00—Spark gaps comprising auxiliary triggering means
- H01T2/02—Spark gaps comprising auxiliary triggering means comprising a trigger electrode or an auxiliary spark gap
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
- H01T4/00—Overvoltage arresters using spark gaps
- H01T4/10—Overvoltage arresters using spark gaps having a single gap or a plurality of gaps in parallel
Definitions
- the invention relates to an encapsulated, pressure-resistant executed, non-hermetically sealed, rotationally symmetric high-performance spark gap with two spaced main electrodes, a metallic outer housing, at least one trigger electrode, a gas or plasma cooling space surrounded by the outer housing and preferably frontally arranged electrical connection contacts for the main electrodes according to the preamble of claim 1
- surge arresters on the basis of spark gaps according to the prior art, these are designed to be encapsulated in applications in the low-voltage range in order to avoid the environment-threatening blowing out of hot or even ionized gases.
- the arresters are provided with additional triggering devices.
- a trigger device requires isolation of the additional, generally loaded with high voltage further electrode.
- the additional expenditure of space and the additional insulation materials also lead to a further limitation of the performance of such realized arrester.
- the main electrodes provided there are isolated from each other and introduced into the spark gap in relation to the housing. Due to the small arc length and the simple division of the arc, however, only a small follow current limitation can be achieved with this solution of the prior art.
- the potential of the ignition electrode is likewise supplied via the pressure-resistant metallic sheath to the spark gap.
- the local pressure-resistant jacket is made of one piece and it is used for the preparation of a simple forming process.
- the waiver of an insulated implementation of the ignition potential leads in this variant, however, to an additional burden of insulation in the interior of the spark gap, since both electrodes must be isolated not only against each other, but also with respect to the entire housing.
- the complex and voltage-resistant insulation in particular, the heat output from the spark gap This leads to an increased thermal load on the insulating parts, to long cooling times and to an enormous limitation of the space available for the spark gap. All of these disadvantages ultimately limit the performance of the spark gap.
- a further developed, encapsulated, flameproof, non-hermetically sealed, rotationally symmetric high-performance spark gap with two spaced opposite main electrodes, a metallic outer casing, at least one trigger electrode, surrounded by the outer casing gas or plasma cooling space and preferably arranged on the front side indicate electrical connection contacts for the main electrodes, the spark gap compared to the known to ensure a nearly doubled surge current capability in a still simple, technologically manageable design and causes good and rapid cooling of hot gases.
- the most important components of the proposed high-performance spark gap consist in an effective cooling of the hot gases in a meandering cooling channel with staggered vents, in a pressure-resistant embodiment of the active components within the spark gap and a pressure-resistant, encapsulated execution of the intermediate and Abkühlraums within the outer housing. Furthermore, according to the invention is an isolated, radial introduction of the trigger potential.
- the cooling space of the high-performance spark gap consists of a coaxial arrangement of an inner and an outer metal cup, wherein one of the main electrodes is formed as a hollow cylindrical Ausblaselektrode and extends to a large extent in the inner cup of the coaxial arrangement.
- a discharge ring laterally encompassing support ring is provided on the open side of the cup assembly.
- the support ring is pressure-resistant, preferably non-positively and / or positively connected to the outer cup, for example, connected by a corresponding thread pairing.
- the outer cup of the coaxial arrangement has lateral bores as gas outlet openings. Between the inner and the outer cup of the coaxial arrangement, at least one gas cooling channel is provided. Another gas cooling channel is located between the outer wall of the outer cup and the inner wall of the outer casing. This gas cooling channel has a slot-like, i. smaller dimensions than the first gas cooling channel.
- the high-performance spark gap should allow a higher impulse load or a stronger current limit with the result that more energy is converted in the spark gap, whereby a larger amount of heated gas or plasma is formed.
- This cool material has a large heat capacity, a good thermal conductivity and a high melting point.
- spark gap presented also dominates the increased burnup, without any burnup particles completely closing the existing ventilation ducts.
- the meandering cooling channel gradually changes from relatively large, diffuse cross sections to narrower cross sections. This causes the molten material can not completely add the cooling channel. In the course of the cooling channels or areas are deliberately created areas in which already solidified material can easily deposit for the vent.
- vents which are staggered arranged in the cooling channel, initially have small cross-sections in order to avoid the escape of luminous gas and melt particles, and take only in the course of further extension of the cooling channel to cross-section, whereby the flow and the relaxation in the entire cooling channel can be used.
- the blow-out electrode according to the invention has at its top side facing the counter-electrode an annular flange on which bears the complementary grading having support ring.
- the underside of the blow-out electrode is closed, but has lateral gas outlet openings, wherein the underside additionally has an oriented in the electrode longitudinal direction of the guide extension, which engages in a complementary recess in the inner cup.
- At least one gas cooling channel already mentioned is located between the inner bowl and the guide extension, which extends into a threaded opening of the inner bowl, which forms a connection contact.
- Each cup of the coaxial arrangement has a circular nozzle, wherein the circular nozzle of the inner cup in the circular nozzle of the outer
- Bechers is stored.
- the outer housing is formed positively fitting, for example by a
- the pressure-resistant connection of the coaxial arrangement including the support ring and blow-out electrode is realized in accordance with the construction described above by force and / or positive locking, in particular by screwing.
- a sleeve or disc made of a gas-emitting material e.g. POM arranged, wherein the support ring surrounds the sleeve or disc of this gas-emitting material at least partially outer peripheral side.
- the gas-emitting material has the function of radial blowing of the arc. This is used to limit the secondary current by cooling and extending the arc.
- the solution with recourse to the illustrated support ring ensures a mastery of the consequences of high pulse currents.
- the support ring can be made electrically conductive or insulating. Decisive is the resulting internal stabilization of the components of the spark gap, by a more even distribution of the load on the one hand and on the other hand by an improvement in the mechanical properties as a whole.
- the pressure which builds up in the relaxation area of the hot gases within the spark gap, acts directly on the area of the active gas-emitting components. This is done on the one hand directly by gases, which can penetrate via column of stack parts, and on the other hand indirectly on the mobility of the individual spark gap sections under or against each other. Such a movement is particularly critical if the gas delivery is not the same.
- the example according screwing according to the invention of parts of the expansion chamber with the lower main electrode creates a pressure-resistant cooling space.
- This solution causes a uniform distribution of the pressure or force effect on the active gas-emitting components and also avoids a direct gas flow between the cooling space and the active parts or the arc furnace and the cooling space.
- a trigger insulating sleeve is arranged, which follows a trigger disc of conductive material.
- This trigger disc made of conductive material is surrounded radially by a contacting ring or a contacting sleeve.
- a cuff-shaped insulating body is located, which ensures electrical isolation of the trigger means to the outer casing of the spark gap and the main electrode.
- the Kunststoff musclessring the trigger device can be exposed and electrically connected via a targeted radial drilling of the outer housing with penetration of the insulator located behind it.
- the trigger disc of conductive material extends with its inner bore side up to the arc combustion chamber or into it, so that a reliable ignition of the spark gap is ensured.
- the discharge electrode opposite main electrode is formed as a preferably full-volume disc with a guide extension.
- the guide extension has a threaded bore for connection contact.
- a pin part of particularly erosion-resistant material eg. B. tungsten copper located.
- This pin part can z. B. be connected by soldering to the disc of the other main electrode.
- the arrangement of insulating body with befindlichem main electrode in disk form with guide extension is chosen so that the passage opening of the insulating body is matched to the outer diameter of the pin member, so that a burnup takes place only in the region of the pin member.
- Another cuff-shaped insulating body is placed on the guide extension of the main electrode as a disc with a guide extension, wherein the insulating body surrounds the disc of the main electrode in a preferred variant laterally.
- a seal in particular a sealing ring is arranged.
- the high-performance spark gap according to the invention in a rotationally symmetrical embodiment is based on the coaxial arrangement of the cup with exhaust electrode and screwed support ring constructed quasi stapeiförmig, wherein the first only flanged on one side hollow cylindrical outer housing receives the stack assembly.
- Fig. 1 is a longitudinal sectional view of a high-performance spark gap according to the invention with inherently pressure-resistant cooling space and
- Fig. 2 is an exploded view of the individual components with recognizable stapeiförmiger arrangement during assembly of the spark gap.
- Fig. 1 In the spark gap of Fig. 1 is located within an outer housing 1, the arrangement of active and passive components.
- an inner cup 14 is provided to form the pressure-resistant cooling space, which is surrounded by an outer cup 15 at a distance to obtain a gas cooling channel 17.
- one of the main electrodes which is realized as a hollow cylindrical discharge electrode 3, extends into it.
- a discharge ring 3 laterally encompassing support ring 12 is provided on the open side of the cup assembly.
- the support ring 12 has an external thread (see Fig. 2), which corresponds to an internal thread in the outer cup 15.
- the blow-out electrode 3 has an annular flange 13 on its upper side facing the counterelectrode 2, against which the support ring 12 having a complementary graduation rests.
- the underside of the blow-out electrode 3 is closed, but has lateral gas outlet openings 19.
- the underside of the blow-out electrode 3 further has a guide extension 20, which engages in a complementary recess 21 in the inner cup 14.
- a gas cooling channel 22 which extends into a threaded opening 23 of the inner cup 14.
- This threaded opening 23 forms an element of the terminal 24, e.g. a screw contact.
- Each of the aforementioned cups 14, 15 of the coaxial arrangement has a circular nozzle 25; 26, wherein the circular nozzle 25 of the inner cup 14 is mounted in the diameter-matched circular nozzle piece 26 of the outer cup 15 and in the region of the circular nozzle 26 of the outer cup 15, the outer housing 1 rests positively.
- the positive engagement is achieved here by a bead in a press-forming process.
- a sleeve or disc 4 made of a gas-emitting material, for. B. POM arranged so that it adjusts the same in the case of ignition of the arc, a radial blowing.
- the support ring 12 in this case surrounds the sleeve or disc 4 of gas-emitting material at least partially outer peripheral side and stabilizes them.
- a Triggerisolationsonne 5 is arranged at the side facing away from the blowout electrode 3 side of the sleeve or disc 4 of gas-emitting material.
- This trigger insulation sleeve 5, which has a stepped cross section, is followed by a trigger disk 6 made of conductive material.
- the annular trigger disk 6 is surrounded radially by a contacting ring 7 consisting of a conductive material.
- a cuff-shaped further insulator 8 is located, which ensures electrical isolation of the trigger means 6 and 7 to the outer housing 1 and towards the main electrode 2.
- the blowing electrode 3 opposite, further main electrode 2 is formed in the form of a disc 27 with guide extension 28.
- the guide extension 28 has a threaded bore 29 for connection contacting.
- a likewise cuff-shaped insulating body 11 is placed on the guide extension 28 of the other main electrode 2, said insulating body 11, the disk 27 of the main electrode 2 according to the embodiment of FIG. 1 laterally surrounds.
- a seal in particular in the form of a sealing ring is arranged.
- the threaded hole 29 is realized as a blind hole, so that a gas tightness is only there.
- the bore diameter is about 5 to 6 mm with a drill tip of 140 °. A risk to the stability and compressive strength of the entire spark gap does not occur hereby.
- the above-described high-performance spark gap enables a doubling of the surge current carrying capacity from approximately 25 kA to 50 kA while at the same time maintaining high ignition safety and optimum gas cooling behavior.
- the screwed arrangement of support ring 12, blow-out electrode 3, inner cup 14 and outer cup 15 shown in FIG. 2 has a high stability and a high heat capacity.
- the cooling channels formed by means of intermediate spaces furthermore result in an intensive contacting of the hot gases with the preferably metallic parts of the screwed arrangement, with the consequence of the aforementioned optimized cooling and simultaneous expansion of the gases.
Landscapes
- Plasma Technology (AREA)
- Spark Plugs (AREA)
- Vessels And Coating Films For Discharge Lamps (AREA)
- Sealing Material Composition (AREA)
- Shielding Devices Or Components To Electric Or Magnetic Fields (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
Description
Claims
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06752571A EP1747608B1 (de) | 2005-05-30 | 2006-04-21 | Gekapselte, druckfest ausgeführte, nicht hermetisch dichte, rotationssymmetrische hochleistungsfunkenstrecke |
PL06752571T PL1747608T3 (pl) | 2005-05-30 | 2006-04-21 | Zamkniety, ciśnieniowy, szczelny niehermetycznie, kołowo-symetryczny iskiernik dużej mocy |
JP2008514045A JP4745389B2 (ja) | 2005-05-30 | 2006-04-21 | カプセル式、耐圧、非気密、回転対称の高性能スパークギャップ |
CN2006800193879A CN101189770B (zh) | 2005-05-30 | 2006-04-21 | 封装的耐压构成的非严密密封的旋转对称的大功率火花隙 |
DE502006000057T DE502006000057D1 (de) | 2005-05-30 | 2006-04-21 | Gekapselte, druckfest ausgeführte, nicht hermetisch dichte, rotationssymmetrische hochleistungsfunkenstrecke |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102005024658.3 | 2005-05-30 | ||
DE102005024658A DE102005024658B4 (de) | 2005-05-30 | 2005-05-30 | Gekapselte, druckfest ausgeführte, nicht hermetisch dichte, rotationssymmetrische Hochleistungsfunkenstrecke |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006128761A1 true WO2006128761A1 (de) | 2006-12-07 |
Family
ID=36593034
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2006/061731 WO2006128761A1 (de) | 2005-05-30 | 2006-04-21 | Gekapselte, druckfest ausgeführte, nicht hermetisch dichte, rotationssymmetrische hochleistungsfunkenstrecke |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP1747608B1 (de) |
JP (1) | JP4745389B2 (de) |
CN (1) | CN101189770B (de) |
AT (1) | ATE370540T1 (de) |
DE (2) | DE102005024658B4 (de) |
PL (1) | PL1747608T3 (de) |
RU (1) | RU2379807C2 (de) |
SI (1) | SI1747608T1 (de) |
WO (1) | WO2006128761A1 (de) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008046454A1 (de) * | 2006-10-17 | 2008-04-24 | Dehn + Söhne Gmbh + Co. Kg | Gekapselte, druckfest ausgeführte, nicht hermetisch dichte, rotationssymmetrische hochleistungsfunkenstrecke |
WO2008080723A1 (de) * | 2007-01-04 | 2008-07-10 | Dehn + Söhne Gmbh + Co. Kg | Gekapselte, druckfest ausgeführte, nicht hermetisch dichte hochleistungsfunkenstrecke |
WO2008080724A1 (de) * | 2007-01-04 | 2008-07-10 | Dehn + Söhne Gmbh + Co. Kg | Gekapselte, druckfest ausgeführte, nicht hermetisch dichte, rotationssymmetrische hochleistungsfunkenstrecke |
WO2008080722A1 (de) * | 2007-01-04 | 2008-07-10 | Dehn + Söhne Gmbh + Co. Kg | Gekapselte, druckfest ausgeführte, nicht hermetisch dichte, rotationssymmetrische hochleistungsfunkenstrecke |
RU191784U1 (ru) * | 2019-04-15 | 2019-08-21 | Алексей Васильевич Петров | Искровой промежуток для цепи защиты опор контактной сети |
US11705724B2 (en) | 2019-05-09 | 2023-07-18 | Dehn Se | Lightning protection spark gap assembly and method for operating a lightning protection spark gap assembly |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008049458A1 (de) | 2007-10-15 | 2009-04-30 | Dehn + Söhne Gmbh + Co. Kg | Funkenstreckenanordnung für höhere Bemessungsspannungen |
DE102008049471A1 (de) | 2007-10-15 | 2009-11-12 | Dehn + Söhne Gmbh + Co. Kg | Funkenstreckenanordnung für höhere Bemessungsspannungen |
DE102011102869B4 (de) * | 2010-08-18 | 2020-01-23 | Dehn Se + Co Kg | Funkenstreckenanordnung mit zwei in einem Gehäusekörper auf Abstand gehaltenen, gegenüberliegenden, bevorzugt flächigen Elektroden |
CN102738785B (zh) * | 2011-04-15 | 2015-07-22 | 上海电科电器科技有限公司 | 过电压保护装置的放电模块 |
CN104113314B (zh) * | 2014-06-11 | 2017-05-17 | 华中科技大学 | 一种激光触发真空开关及开关*** |
DE102021208076B4 (de) | 2021-07-27 | 2023-06-22 | Dehn Se | Überspannungsschutz-Funkenstreckenanordnung und Verfahren zum Betreiben einer Überspannungsschutz-Funkenstreckenanordnung |
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EP0305077A1 (de) * | 1987-08-28 | 1989-03-01 | Eev Limited | Funkenstreckenvorrichtung |
DE10008764A1 (de) * | 1999-03-04 | 2000-09-28 | Phoenix Contact Gmbh & Co | Überspannungsschutzeinrichtung |
DE10018012A1 (de) * | 2000-02-22 | 2001-09-06 | Dehn & Soehne | Druckfest gekapselte Funkenstreckenanordnung zum Ableiten von schädlichen Störgrößen durch Überspannungen |
DE10164025A1 (de) * | 2001-08-21 | 2003-04-03 | Dehn & Soehne | Gekapselter, Netzfolgestrom begrenzender Überspannungsableiter auf Funkenstreckenbasis |
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DE2934237C2 (de) * | 1979-08-24 | 1983-02-17 | Aeg-Telefunken Ag, 1000 Berlin Und 6000 Frankfurt | Überspannungsableiter |
DE19845889B4 (de) * | 1998-10-06 | 2007-03-01 | Dehn + Söhne GmbH + Co KG | Funkenstreckenanordnung |
DE10028764A1 (de) * | 2000-06-09 | 2001-12-20 | Henkel Kgaa | Urethane basierend auf organoleptisch aktiven Duftalkoholen |
DE10338835B4 (de) * | 2003-08-21 | 2016-06-02 | Phoenix Contact Gmbh & Co. Kg | Überspannungsschutzeinrichtung |
DE202004020260U1 (de) * | 2004-12-28 | 2005-02-24 | Phoenix Contact Gmbh & Co. Kg | Überspannungsschutzeinrichtung |
-
2005
- 2005-05-30 DE DE102005024658A patent/DE102005024658B4/de not_active Expired - Fee Related
-
2006
- 2006-04-21 PL PL06752571T patent/PL1747608T3/pl unknown
- 2006-04-21 WO PCT/EP2006/061731 patent/WO2006128761A1/de active Application Filing
- 2006-04-21 JP JP2008514045A patent/JP4745389B2/ja not_active Expired - Fee Related
- 2006-04-21 DE DE502006000057T patent/DE502006000057D1/de active Active
- 2006-04-21 EP EP06752571A patent/EP1747608B1/de not_active Not-in-force
- 2006-04-21 AT AT06752571T patent/ATE370540T1/de not_active IP Right Cessation
- 2006-04-21 RU RU2007148542/09A patent/RU2379807C2/ru not_active IP Right Cessation
- 2006-04-21 CN CN2006800193879A patent/CN101189770B/zh not_active Expired - Fee Related
- 2006-04-21 SI SI200630008T patent/SI1747608T1/sl unknown
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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EP0305077A1 (de) * | 1987-08-28 | 1989-03-01 | Eev Limited | Funkenstreckenvorrichtung |
DE10008764A1 (de) * | 1999-03-04 | 2000-09-28 | Phoenix Contact Gmbh & Co | Überspannungsschutzeinrichtung |
DE10018012A1 (de) * | 2000-02-22 | 2001-09-06 | Dehn & Soehne | Druckfest gekapselte Funkenstreckenanordnung zum Ableiten von schädlichen Störgrößen durch Überspannungen |
DE10164025A1 (de) * | 2001-08-21 | 2003-04-03 | Dehn & Soehne | Gekapselter, Netzfolgestrom begrenzender Überspannungsableiter auf Funkenstreckenbasis |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2008046454A1 (de) * | 2006-10-17 | 2008-04-24 | Dehn + Söhne Gmbh + Co. Kg | Gekapselte, druckfest ausgeführte, nicht hermetisch dichte, rotationssymmetrische hochleistungsfunkenstrecke |
WO2008080723A1 (de) * | 2007-01-04 | 2008-07-10 | Dehn + Söhne Gmbh + Co. Kg | Gekapselte, druckfest ausgeführte, nicht hermetisch dichte hochleistungsfunkenstrecke |
WO2008080724A1 (de) * | 2007-01-04 | 2008-07-10 | Dehn + Söhne Gmbh + Co. Kg | Gekapselte, druckfest ausgeführte, nicht hermetisch dichte, rotationssymmetrische hochleistungsfunkenstrecke |
WO2008080722A1 (de) * | 2007-01-04 | 2008-07-10 | Dehn + Söhne Gmbh + Co. Kg | Gekapselte, druckfest ausgeführte, nicht hermetisch dichte, rotationssymmetrische hochleistungsfunkenstrecke |
RU191784U1 (ru) * | 2019-04-15 | 2019-08-21 | Алексей Васильевич Петров | Искровой промежуток для цепи защиты опор контактной сети |
US11705724B2 (en) | 2019-05-09 | 2023-07-18 | Dehn Se | Lightning protection spark gap assembly and method for operating a lightning protection spark gap assembly |
US11764570B2 (en) | 2019-05-09 | 2023-09-19 | Dehn Se | Lightning protection spark gap assembly and method for operating a lightning protection spark gap assembly |
Also Published As
Publication number | Publication date |
---|---|
RU2379807C2 (ru) | 2010-01-20 |
JP4745389B2 (ja) | 2011-08-10 |
DE102005024658B4 (de) | 2007-02-15 |
EP1747608B1 (de) | 2007-08-15 |
CN101189770B (zh) | 2011-08-17 |
SI1747608T1 (sl) | 2008-02-29 |
DE102005024658A1 (de) | 2006-12-14 |
RU2007148542A (ru) | 2009-07-20 |
JP2008543007A (ja) | 2008-11-27 |
PL1747608T3 (pl) | 2008-03-31 |
CN101189770A (zh) | 2008-05-28 |
EP1747608A1 (de) | 2007-01-31 |
ATE370540T1 (de) | 2007-09-15 |
DE502006000057D1 (de) | 2007-09-27 |
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