EP2443710A1 - Hörnerfunkenstrecke mit deionkammer - Google Patents
Hörnerfunkenstrecke mit deionkammerInfo
- Publication number
- EP2443710A1 EP2443710A1 EP11732395A EP11732395A EP2443710A1 EP 2443710 A1 EP2443710 A1 EP 2443710A1 EP 11732395 A EP11732395 A EP 11732395A EP 11732395 A EP11732395 A EP 11732395A EP 2443710 A1 EP2443710 A1 EP 2443710A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- electrodes
- spark gap
- horn
- arc
- insulating material
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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
- 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
- H01T4/14—Arcing horns
Definitions
- the invention relates to a horn spark gap with Deionhunt in
- Horned spark gaps are previously known from EP 1 914 850 B1 and EP 1 829 176 B1, whereby the effect of the blowing out of ionized gases is reduced.
- the Homer electrodes are to be manufactured from a low-cost material in order to reduce the costs in the production of such spark gaps.
- EP 1 829 176 B1 discloses a device for lengthening the separating section in the event of overloading
- the spark gap shown in DE 10 2005 015 401.8 has the disadvantage that the geometry and thus the quenching behavior of the deion chamber essentially by the type of realization of the internal circulation
- the arc running region between the electrodes in the direction of the deion chamber is delimited by a plate-shaped insulating material, the plate-shaped insulating material in each case being inserted in a form-fitting manner in a first configuration of the respective half-shell.
- the first formations adopt a ferromagnetic deposit, preferably shaped in plate shape similar to the arc running area, wherein the plate-shaped insulating material electrically separates the respective deposit for the electrodes.
- the half-shells have further, second formations which fix a Deionhuntteil usable there in a form-fitting manner. Openings or openings in the respective half-shell are located between the respective first and second formations. The shorter of the electrodes ends in front of the deionizer merteil, so that the gas flow only partially enters the deion chamber.
- the horn spark gap has a sandwich construction and it si nd the Haibschaien connected by screws or rivets non-positively.
- the outer sides of the half-shells facing away from the electrodes have, at least in the region of the openings or openings, in each case a third shape, which receives a form-fitting outer insulating material plate.
- the third recess additionally has a web or splitter for dividing the gas flow, wherein the section formed by the third formation and the outer insulating plate creates a gas expansion space.
- the gas expansion space in turn has a preferably slot-shaped passageway for the return of the gases to the arc combustion chamber, wherein for assisting driving of the arc by the gas flow the electrodes have openings or recesses above the firing range.
- the power supply to the longer of the electrodes is guided antiparallel over as large a section as possible.
- the shorter of the electrodes has a high impedance.
- the ignition or triggering of the horn spark gap is effected by a flexible printed circuit board with a conductor section, which is introduced into the ignition region between the electrodes.
- the horn spark gap has an error status indicator with a molded part which melts at excess temperature or becomes unstable in shape, which part of the display is under a
- the outer Isolierstoffpiatte deforming under pressure loading can ausgestaltend with a sensor for detecting abnormal operating conditions in operative connection.
- the spark gap according to the invention forms a universal module with outer contact terminals for the electrodes, which can be integrated into a plug-in part or outer housing according to customer requirements.
- All essential components such as the electrodes, the trigger electrode and / or the Deionhunt are interchangeable and can be easily adapted to the respective Netzver marintsse without the basic construction of the horn section according to the invention is left.
- the spark gap consists of very simple individual parts, which can be interconnected by standard technologies such as rivets.
- the funcionality of the spark gap is already achieved by mounting the inner module without outer housing. The assembly can be carried out by a riveting operation.
- the gas supply with several circulation circuits almost all components are used to cool the hot, ionized gases. If required, the horn electrodes produced as stamped and bent parts can be replaced by electrodes made of a stronger material
- One or more of the fully functional modules can be freely interconnected in a quasi-freely selectable outer housing for flexible applications, network types or even for customized design variants.
- the invention will be explained in more detail below with reference to an embodiment and with the aid of figures.
- Figure 1 is a half-shell of the sandwich housing with insulating plates and ferromagnetic Schuleg ung.
- Fig. 2 shows the basic structure of the spark gap with asymmetric
- Electrodes behind the housing indicated by dashed lines and
- Fig. 1 shows one of the half shells, designed as a plastic injection molded part 22 with outer insulating plate 23, e.g. formed as Vulkanfiberplatte. Likewise, the ferromagnetic plate-shaped part 21 can be seen, which is covered by an inner Vulkanfiberplatte 20.
- FIG. 2 reveals the basic structure of the horn spark gap module whose arc combustion chamber is characterized by two
- the electrode 1 is realized as a long electrode and the electrode 2 as a short electrode.
- the arc running range of the electrodes 1 and 2 to the arc chamber or deion chamber 8 is bounded laterally by erosion-resistant and only slightly gas-emitting insulating material (see FIG. 1), for example consisting of vulcanized fiber.
- Vulkanfiberplatte can be made as a simple inexpensive Sta nzplatte Hergestel. By fixing on the riveting a further connection of the items is not required.
- Vulkanfiberplatte 20 also isolated in isolation also the ferromagnetic iron deposit 21 in each Hal bschale 22, which is located in the arc running range.
- the iron deposits 21 are inserted and guided in the half-shell 22, but can also be directly overmolded.
- the respective half-shells 22 are simultaneously realizing the fixing of the
- Electrodes 1 and 2 of the ignition aid which is located between the electrodes, the error condition indicator and the Deionkam mer 8th
- plastic injection-molded part 22 respectively the respective plastic injection-molded part
- Half shell, recesses and deflection devices which serve for the steering, distribution and recirculation of the gases which are emitted when igniting the
- baffles are realized which the
- the insectsrä trees for the teilioninstrumente gas are each gebi between the Haibschalenteil 22 and the outer insulating plate 23. These two plates also simultaneously form the outer walls of the then already functional module and are riveted in connection with the remaining parts.
- Arc quenching chambers e.g. turn to integrate insulating bar or meander chambers in the spark gap. But it is also possible, directly at
- Plastic syringes form an arc extinguishing chamber as an integral component.
- the ignition range between the electrodes is chosen so that the arc's own magnetic field already causes quite high forces on the arc, so that a rapid release of the arc from the place of ignition and thus rapid ignition of the spark gap is ensured.
- the ignition point is a few millimeters after a parallel or only minima! divergent guidance of the two electrodes, which have a small spacing. The small distance between the electrodes results in a strong force effect as a result of the current conduction.
- the starting aid or the trigger electrode can be chosen so that the initial movement of the arc, e.g. is supported by a gas delivery.
- the initial motion can also be achieved by advancing the pilot arc already in the running direction, e.g. be supported as a result of the design of supernatants.
- the Anschjuss the long electrode 1 is guided over a wide range anti-parallel to this electrode 1.
- the ferromagnetic deposits 21 inserted on both sides in the side walls support the desired rapid movement of the arc to the arc chamber 8, an additionally insulated ferromagnetic iron deposit of an electrode can be dispensed with in favor of the desired small size. It can however if necessary the material of the
- Electrodes themselves have ferromagnetic properties or a
- Ferromagnetic core are integrated into the electrode or the electrode itself have a sandwich structure.
- the distance between the two electrodes 1 and 2 at the ignition point or ignition region 4 has only a seh r small over a distance of several millimeters Divergence or runs almost parallel.
- This design of the main electrodes has the advantage that in case of overloading a defined short-circuit behavior of the spark gap can be realized without additional measures.
- the formation of a metal path can occur which bridges the small distance between the two electrodes over a large area and current carrying capacity and then leads to the safe triggering of an existing overcurrent protection device.
- Fig. 2 shorter horn electrode 2 must be performed so far that not too many more deion plates remain unused by the direct route to individual deion plates of the electrode in order to use, if possible, the entire performance of the Deionhunt.
- a voltage drop which, in addition to the arc extension, promotes a rapid change of the arc root from the tip of the short electrode 2 (A) to the electrode lead (B), is produced.
- Steel is suitable as the electrode or electrode feed material. To further improve the aforementioned effect, it is advantageous if the material of the feed or of the electrode additionally heats up when there is a flow of current, as a result of which
- the achievable arc voltage within the arc quenching chamber can easily by several by these measures 10 V to 100 V are increased with otherwise the same dimensions, whereby the use at higher operating voltages or m it with an improved current limit is possible.
- the long electrode 1 can be realized in the arc quenching chamber as a thin baffle.
- the gas flow from the running region is not completely driven into the arc quenching chamber (Deionkam mer) 8 meh r. Gases from the arc run area can thus escape already below the arc extinguishing chamber.
- This gas is also used by discharge openings 14 in the respective half-shell 22 for gas circulation. Since the break-in time of the follow-on current arc in the arc quenching chamber corresponds to a fraction of the total arc firing time and the arc voltage outside the deionization chamber is still low, ie. no division into partial arcs, this gas has only minimal energy. Also, is not too strong
- the gas reaches a sufficient cooling in contact with the electrode supply and the short electrode 2, so that it can be returned in a relatively short way.
- the reduction of the flow resistance can also be used to change the distance of the Deionbleche within the Deionhunt 8, i. E. use more sheets or reduce the Deionhuntab horren on, so as to achieve a higher arc clamping voltage with the same outer dimensions.
- a circuit board 3 is used for the ignition of the spark gap with the horn electrodes 1 and 2.
- the Plati ne 3 is used to attach the for Ignition process required components and at the same time specifies the ignition 4 between the electrodes 1 and 2.
- the necessary impedance for ignition can on the one hand by discrete
- the area 5 between the main electrodes 1 and 2 serves thegnacsauftei development between lightning currents and subsequent currents.
- the recesses 6 in the electrodes 1 and 2 are used to return the gases in the arc run area and are located above the
- the connecting lead 7 of the long electrode 1 is guided over a wide range of anti-para IIel to the corresponding electrode.
- the long electrode 1 is laterally to the arc extinguishing chamber or
- the short electrode 2 already ends in the arc running region 11 with the tip A.
- the base point of the arc after reaching the position A, changes to the position B of the electrode 2.
- the Deionhunt has on the front side a midtlere transverse web and a continuous longitudinal web, through which the gases are gespiittet and steered, so that a one - sided load on the overall construction of the
- Horn spark gap module is avoided.
- the cooled and relaxed gases are via openings 10 and
- Deionhunt discharged into the relaxation rooms with the openings 14.
- the gases a us the side recesses 13 and from the frontal opening 12 of the Deionhunt 8 are supplied due to their increased heating after the Lichtbogenholzteil the inlet openings 9 and the deflection between the Vuikanfiberplatte and the Hal bschalen plastic injection part 22.
- the gases are already experiencing a cooling down of the metallic electrodes 1 and 2 or the electrode feeds due to these longer paths.
- Fig. 4 shows the expansion zone 26 for the discharged gases.
- the relaxation region 26 is located between the plastic injection part 22 and the outer vulcanized fiber plate 23.
- the gases are deflected by means of a splitter 16 (see FIG. 3).
- the splitter 16 simultaneously prevents the recirculation of contaminants via the outlet opening 10.
- the splitter 16 is with its explained effect with regard to the diversion and distribution of hot gases and the avoidance of the supply of
- the splitter makes it possible, despite the small distances between the Ausiassö Maschinenen the Deionhunt and the recesses in the electrodes 6 to realize a gas recirculation without complex measures.
- the splitter ensures sufficient cooling and Endionisation, so that no flashbacks occur and the follow-current arc is supported in its movement.
- the position of the deion chamber 8 and the horn electrodes 1 and 2 in the active region of the spark gap are indicated.
- the bushings 15 are provided for riveting the Einzeikom components.
- Fig. 4 shows a cross section through an inventive embodiment of the horn spark gap.
- the Deionhunt 8 has in the outflow next to the cross bar 25 has a continuous longitudinal ridge 24. This serves to ensure bilateral flow dynamics, so that the back flow is not nu r on one side. As a result, a uniform cooling of the gases and better utilization of the heat capacity of the encapsulated spark gap is achieved. In principle, however, a unilateral flow guidance is also conceivable.
- Deionhunt 8 divided over the recesses 6 of the electrode 1.
- the lateral Abström channels 14 of the Deionhunt 8 are vented in the inlet region where the gas is still relatively cold, directly downwards splitter into the flow circuit.
- Hierdu rch results in a short flow path with low flow resistance.
- the lateral outlet channels 13 of the deion chamber 8 are vented via separate channels 27 upwards in the direction of the outflow region of the deion chamber. Thus, these hot gases are cooled more strongly over a longer flow path.
- the vents of Deionkam mer, ie. the openings 12, 13 and 14 can be present between each individual Deionblech having a V-shaped portion, or be realized but offset between each second sheet on one side.
- the vents of the deion chamber are customizable according to the given space conditions and the desired performance parameters. In the case that the spark gap ages after numerous loads, a change in the behavior can be realized by a visual display or an error message.
- a characteristic quantity for a threatening overload of the spark gap is usually the temperature in the area of the ignition of the arc at the electrodes 1 or 2, at the return point B of the arc
- a temperature sensitive material e.g. a Lotformteil or a wax part are placed form-fitting, which is loaded by means of a spring bias on pressure or shearing.
- the temperature-sensitive Materia! Alternatively, it can also be positioned on thermally well-coupled connecting parts of the electrodes 1 and 2. Thus, it is possible to arrange the solder preform directly in contact with the feed line 7, which in turn is directly connected to the electrode 1.
- the melting or shearing a mechanical display element is actuated or released.
- the heating of individual parts takes ei ne certain time, due to the given heat conduction or existing heat capacity.
- the monitoring of the pressure or the force can be used for a display.
- the outer insulating plate of the corresponding chamber can be used practically as a membrane for pressure measurement.
- mechanical predetermined breaking points can be installed in these areas, which actuate a display from a certain pressure level or at the same time contribute to the pressure load at high overloads, so that a burst protection is given.
Landscapes
- Arc-Extinguishing Devices That Are Switches (AREA)
- Physical Or Chemical Processes And Apparatus (AREA)
- Plasma Technology (AREA)
- Thermistors And Varistors (AREA)
Abstract
Description
Claims
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PL11732395T PL2443710T3 (pl) | 2010-08-04 | 2011-06-14 | Iskiernik rożkowy z komorą dejonizacji |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010033294 | 2010-08-04 | ||
| DE102011102257.4A DE102011102257B4 (de) | 2010-08-04 | 2011-05-23 | Hörnerfunkenstrecke mit Deionkammer |
| PCT/EP2011/059805 WO2012016743A1 (de) | 2010-08-04 | 2011-06-14 | Hörnerfunkenstrecke mit deionkammer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2443710A1 true EP2443710A1 (de) | 2012-04-25 |
| EP2443710B1 EP2443710B1 (de) | 2013-09-18 |
Family
ID=45495169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP11732395.6A Active EP2443710B1 (de) | 2010-08-04 | 2011-06-14 | Hörnerfunkenstrecke mit deionkammer |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US9019680B2 (de) |
| EP (1) | EP2443710B1 (de) |
| CN (1) | CN103069672B (de) |
| DE (2) | DE102011102257B4 (de) |
| PL (1) | PL2443710T3 (de) |
| RU (1) | RU2561069C2 (de) |
| WO (1) | WO2012016743A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102015013222B3 (de) * | 2015-07-27 | 2016-12-15 | DEHN + SÖHNE GmbH + Co. KG. | Schaltungsanordnung zur elektronischen Ansteuerung von triggerbaren Überspannungsableitern |
| DE102016115223B4 (de) | 2015-11-10 | 2022-02-17 | Dehn Se + Co Kg | Hörnerfunkenstrecke mit Deionkammer in nichtausblasender Bauform |
| DE102018117275B3 (de) * | 2018-05-24 | 2019-07-04 | Dehn + Söhne Gmbh + Co. Kg | Nichtrotationssymmetrische Hörnerfunkenstrecke mit Deionkammer |
| DE102019101212A1 (de) * | 2018-07-04 | 2020-01-09 | Dehn Se + Co Kg | Überspannungsschutzanordnung mit einer in einem Gehäuse befindlichen Hörnerfunkenstrecke mit Kammer zur Lichtbogenlöschung |
| DE102018126227A1 (de) | 2018-08-29 | 2020-03-05 | Dehn Se + Co Kg | Modulumhausung zum Aufnehmen mehrerer, miniaturisierter Hörnerfunkenstrecken |
| DE102018121138B3 (de) | 2018-08-29 | 2019-12-05 | Dehn Se + Co Kg | Miniaturisierte Hörnerfunkenstrecke mit integrierter Deionkammer |
| DE102020214136B3 (de) | 2020-11-10 | 2021-12-09 | Dehn Se + Co Kg | Blitzschutz-Funkenstrecke |
| US12418175B2 (en) | 2022-09-14 | 2025-09-16 | Ripd Ip Development Ltd | Surge protective devices |
| FR3143893B1 (fr) * | 2022-12-16 | 2024-11-01 | Citel | Eclateur à gaz à forte capacité d’extinction du courant de suite |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3611007A (en) * | 1970-03-03 | 1971-10-05 | Gen Electric | Current limiting spark gap assembly having electromagnetic means for retarding arc movement therein |
| DE4041887A1 (de) * | 1990-12-27 | 1992-07-02 | Abb Patent Gmbh | Lichtbogenkammer fuer ein elektrisches schaltgeraet |
| ES2148390T3 (es) * | 1994-10-07 | 2000-10-16 | Phoenix Contact Gmbh & Co | Elemento de proteccion contra sobretension. |
| DE4439730C2 (de) * | 1994-10-17 | 1996-09-26 | Phoenix Contact Gmbh & Co | Überspannungsschutzelement |
| EP0793318A1 (de) * | 1996-03-01 | 1997-09-03 | Felten & Guilleaume Austria Ag | Überspannungs-Ableiteinrichtung |
| AT405112B (de) * | 1997-02-12 | 1999-05-25 | Felten & Guilleaume Ag Oester | Überspannungsableiteinrichtung |
| FR2843243B1 (fr) * | 2002-08-05 | 2004-11-05 | Soule Protection Surtensions | Dispositif de protection d'un reseau de distribution d'energie electrique |
| FR2877155B1 (fr) | 2004-10-25 | 2008-09-26 | Soule Prot Surtensions Sa | Dispositif de protection contre les surtensions a deconnexion amelioree et procede correspondant |
| FR2880468B1 (fr) * | 2005-01-04 | 2007-04-06 | Soule Prot Surtensions Sa | Appareil de protection d'une installation electrique a capacite de coupure amelioree |
| DE102005015401B4 (de) * | 2005-01-10 | 2014-03-20 | Dehn + Söhne Gmbh + Co. Kg | Überspannungsableiter mit zwei divergierenden Elektroden und einer zwischen den Elektroden wirkenden Funkenstrecke |
| FR2907606B1 (fr) * | 2006-10-20 | 2009-01-09 | Soule Prot Surtensions Sa | Dispositif de protection contre les surtensions avec plages de raccordement et electrodes monoblocs. |
-
2011
- 2011-05-23 DE DE102011102257.4A patent/DE102011102257B4/de not_active Expired - Fee Related
- 2011-05-23 DE DE102011123020.7A patent/DE102011123020B3/de not_active Expired - Fee Related
- 2011-06-14 EP EP11732395.6A patent/EP2443710B1/de active Active
- 2011-06-14 CN CN201180038129.6A patent/CN103069672B/zh active Active
- 2011-06-14 PL PL11732395T patent/PL2443710T3/pl unknown
- 2011-06-14 RU RU2013105148/07A patent/RU2561069C2/ru active
- 2011-06-14 WO PCT/EP2011/059805 patent/WO2012016743A1/de not_active Ceased
- 2011-06-14 US US13/813,461 patent/US9019680B2/en not_active Expired - Fee Related
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2012016743A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103069672A (zh) | 2013-04-24 |
| US9019680B2 (en) | 2015-04-28 |
| RU2013105148A (ru) | 2014-09-10 |
| EP2443710B1 (de) | 2013-09-18 |
| DE102011102257B4 (de) | 2016-05-19 |
| CN103069672B (zh) | 2014-07-09 |
| RU2561069C2 (ru) | 2015-08-20 |
| DE102011123020B3 (de) | 2016-10-27 |
| DE102011102257A1 (de) | 2012-02-09 |
| PL2443710T3 (pl) | 2014-02-28 |
| WO2012016743A1 (de) | 2012-02-09 |
| US20130235502A1 (en) | 2013-09-12 |
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