EP3552282A1 - Ensemble de protection contre les surtensions constitué d'un éclateur à cornes se trouvant dans un boîtier d'isolation - Google Patents

Ensemble de protection contre les surtensions constitué d'un éclateur à cornes se trouvant dans un boîtier d'isolation

Info

Publication number
EP3552282A1
EP3552282A1 EP19702435.9A EP19702435A EP3552282A1 EP 3552282 A1 EP3552282 A1 EP 3552282A1 EP 19702435 A EP19702435 A EP 19702435A EP 3552282 A1 EP3552282 A1 EP 3552282A1
Authority
EP
European Patent Office
Prior art keywords
star
overvoltage protection
housing
protection arrangement
spark gap
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
Application number
EP19702435.9A
Other languages
German (de)
English (en)
Other versions
EP3552282B1 (fr
Inventor
Helmut Hirschmann
Georg Wittmann
Edmund ZÄUNER
Ralph Brocke
Sebastian Haas
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Dehn SE and Co KG
Original Assignee
Dehn and Soehne GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Dehn and Soehne GmbH and Co KG filed Critical Dehn and Soehne GmbH and Co KG
Priority to PL19702435T priority Critical patent/PL3552282T3/pl
Priority to SI201930024T priority patent/SI3552282T1/sl
Publication of EP3552282A1 publication Critical patent/EP3552282A1/fr
Application granted granted Critical
Publication of EP3552282B1 publication Critical patent/EP3552282B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01T1/00—Details of spark gaps
    • H01T1/14—Means structurally associated with spark gap for protecting it against overload or for disconnecting it in case of failure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12—Overvoltage protection resistors; Arresters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12—Overvoltage protection resistors; Arresters
    • H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/05—Component parts thereof
    • H01H85/165—Casings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/44—Structural association with a spark-gap arrester
    • 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
    • H01T1/00—Details of spark gaps
    • H01T1/02—Means for extinguishing arc
    • 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
    • H01T1/00—Details of spark gaps
    • H01T1/16—Series resistor structurally associated with 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
    • 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
    • H01T4/04—Housings
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/74—Switches in which only the opening movement or only the closing movement of a contact is effected by heating or cooling
    • H01H37/76—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material
    • H01H37/761—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit
    • H01H2037/762—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit using a spring for opening the circuit when the fusible element melts
    • H01H2037/763—Contact member actuated by melting of fusible material, actuated due to burning of combustible material or due to explosion of explosive material with a fusible element forming part of the switched circuit using a spring for opening the circuit when the fusible element melts the spring being a blade spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H85/00—Protective devices in which the current flows through a part of fusible material and this current is interrupted by displacement of the fusible material when this current becomes excessive
    • H01H85/02—Details
    • H01H85/04—Fuses, i.e. expendable parts of the protective device, e.g. cartridges
    • H01H85/041—Fuses, i.e. expendable parts of the protective device, e.g. cartridges characterised by the type
    • H01H85/048—Fuse resistors
    • H01H2085/0486—Fuse resistors with voltage dependent resistor, e.g. varistor

Definitions

  • Overvoltage protection arrangement consisting of a horn spark gap located in an insulating housing
  • the invention is based on an overvoltage protection arrangement, consisting of a horn spark gap located in an insulating housing with deion chamber for arc quenching, the deion chamber a
  • a trigger electrode is befindlich, further comprising a varistor, which is electrically connected in series with the Hörnerfunkenrange, according to the preamble of claim 1.
  • Horn spark gap lightning current arrester with Deionhunt for arc extinction are already known from DE 10 2011 051 738 Al, for example.
  • a corresponding Hörnerfunkenumble is located in a housing and has means for controlling the internal gas flow to adjust a different behavior of the resulting in a pulse current load arc on the one hand and the Netz Riversidestrom-related arc on the other.
  • Trigger electrode can be arranged.
  • This trigger electrode may comprise a conductive element which is surrounded by a sliding path.
  • adjacent sliding can consist of an insulating or semiconductive material.
  • the known trigger electrode is either inserted at one of the two electrodes in the ignition region or preferably arranged between the two electrodes of the horn spark gap in the lower region of the ignition region.
  • DE 195 45 505 CI shows a surge arrester at least one voltage-dependent resistor, for example a varistor, and thermal shutdown devices.
  • shut-off devices consist on the one hand of a safety strip and on the other hand of a thermal release with eutectic enamel alloy.
  • a damage indicator is actuated by means of a spring force. A claim is visible.
  • a housing in which there is a shock current resistant fuse strip.
  • the damage indicator is a separate, releasably secured to the housing and movable after release of a spring relative to the fuse housing component.
  • the thermal tripping is arranged outside the housing and communicates with the varistor in a thermally conductive connection, such that an impermissible heating of the varistor causes the separation of the thermal tripping and the damage is indicated.
  • the spark gap has a series-connected fuse, wherein the series circuit can be connected to a supply network having a first potential and a second potential different therefrom.
  • the spark gap has two main electrodes. Furthermore, a housing is available.
  • the fusible conductor connects a first terminal to the second
  • Main electrode of the spark gap wherein the fuse further comprises a further contact, wherein the further contact isolated to the first contact and isolated to the second main electrode of the spark gap is arranged.
  • the overvoltage protection device has a plasma channel, the off the combustion chamber of the spark gap leads into the vicinity of the fusible conductor, that plasma can act on the hot melt targeted degrading. As a result, the fuse wire may be subject to destruction.
  • the separating device comprises a device, wel che switches in the thermal overload case of Varistorableitiatas a fuse in the electrical connection path.
  • the surge arrester arrangement is able to reduce the short-circuit current of the connected power supply or of the connected network in the overload short-circuit state inside the varistor discharge element. Consequential damage to connected devices and / or internal connections can be reduced.
  • an overvoltage protection arrangement consisting of a horn spark gap located in an insulating housing with Deionhunt for arc extinguishing.
  • the Deionhunt points a plurality of spaced quenching plates, as shown for example in DE 10 2011 051 738 Al.
  • a trigger electrode is located to make the response of the spark gap adjustable.
  • the overvoltage protection arrangement comprises a varistor, which is electrically connected in series with the horn spark gap.
  • a housing for receiving the overvoltage protection arrangement is formed, which accommodates a first and a second disconnecting device.
  • the first separating device is in heat-conducting connection with the varistor.
  • a spring-assisted slide is released which interrupts the series connection between varistor and horn spark gap.
  • This thermal separation device may, for example, comprise a solder joint, which changes its state of aggregation upon reaching the melting temperature, so that the mentioned slider with the aid of the spring force support is able to carry out the desired movement.
  • Melting conductor which may be located in the region of the Deionhunt and there may be exposed to a resulting arc.
  • the fusible conductor is contacted with quenching plates of the deionization chamber and melts under load, in particular in one
  • the fusible conductor is able to hold a spring-assisted separating element in a first position, but also to release this separating element upon arc-induced melting, such that the separating element occupies a second position.
  • an electrical connection to the trigger electrode is interrupted.
  • a renewed ignition of the spark gap is no longer possible due to the overload occurred.
  • a three-pronged, rotatably mounted star or a circular disk with lugs is formed in the housing so that a first star point or nose with a star-shaped end of the slide during its movement to the
  • Twisting of the star together with triggering of the pivotable lever corresponds to a quasi-mechanical "OR" connection with regard to the separating devices.
  • the scanning of the respective state of the relevant separating device is carried out in addition to passing a
  • the trigger electrode is connected via a voltage-limiting element to one of the main electrodes of the horn spark gap. This aforementioned connection is by means of
  • the housing has in a first housing level, the horn spark gap and the varistor, wherein in a second housing level at least the separating element, the star and the lever and an actuating extension of the slider are formed.
  • the slider passes as a result of the separation movement in such a
  • the slider penetrates into the separation gap and thereby possibly arcing arcs are prevented.
  • the separating element raises with reaching the second position
  • Both the slider and the separating element consist of an electrically insulating material.
  • the lever for status display is pivoted in the housing gelag ert and has at a first end of the lever on a bend which releases or covers a display surface, wherein at a second end of the lever an actuating nose for the telecommunications contact is formed.
  • the display surface may in this case preferably be a housing surface or a window in the housing.
  • the axis of rotation of the star or the disc and the pivot axis of the lever are preferably parallel to each other and have a distance such that the third point of the star upon rotation of the star of a
  • Stop position based on the lever in a release position can be transferred.
  • At least the axis of rotation, the pivot axis, the star and the lever are components of a housing insert part, which is located in the second housing level.
  • This housing insert part forms an intermediate wall with respect to an underlying housing level in which the horn spark gap and the varistor is located.
  • the overvoltage protection arrangement can be designed as a plug-in part with plug contacts for receiving in a base part.
  • the plug contacts are preferably located on an underside of the plug-in part.
  • Side surfaces of the male part can latching elements for fixing the male part in the base part but Also have means for locking or unlocking these locking elements and for easier removal of the male part from the base part.
  • the fusible conductor of the second separator is selected at two spaced apart ones
  • the voltage-limiting element is preferably designed as a gas discharge.
  • FIG. 1 is a schematic diagram of an overvoltage protection arrangement with illustrated first and second separating device together with rotating star and lever function display in a state of complete function of the surge arrester used, in particular a Hörnerfunkenumble and a varistor.
  • Fig. 2 is a view similar to that of FIG. 1, but in the
  • FIG. 3 shows a representation similar to that according to FIG. 2, but here with a triggered second separating device, wherein the separating element takes along the rotating star, so that the latter can in turn release the lever for indicating the state;
  • FIG. 4 is a perspective view of an overvoltage protection arrangement formed as a plug-in part with partially broken housing and recognizable housing insert (upper part) together with rotary star, lever and the separating element of the second separating device with the detail of a spring contact bow, in the proper state with a contact surface of a Gasableiters communicates.
  • the overvoltage protection arrangement shown in the figures is based on a housing 1.
  • the Deionhunt has in a conventional manner a plurality of spaced quenching plates.
  • Trigger electrode located.
  • a varistor (not shown) is located in the housing 1, which is electrically connected in series with the Hörnerfunkenrange.
  • Within the housing 1 is a first and a second
  • the first separating device 2 is in heat-conducting connection with the varistor, not shown.
  • the slide 3 is released, which is mounted on a guide (see FIG. 2) supported by a spring 4 in a spring-assisted manner.
  • the electrical connection between the contacts 5 and 6 is closed.
  • the slider takes with one of its front edges with a first tine 7 a rotatably mounted star.
  • a telecommunications contact 11 can be triggered or a
  • a second separating device 13 which has a fusible link, not shown.
  • This fusible conductor is located in the region of the Deionhunt, not shown, where it can be a resulting
  • the fusible conductor of the second separating device 13 stops
  • the separating element 14 After melting the fusible conductor by arc or by Netzellostrombelastung the separating element 14 is released. The result is that the separating element 14 assumes its second position, as shown in FIG.
  • a respective end of the separating element 14 acts on a second point 16 of the rotatably mounted star.
  • the axes of rotation 17 and 18 on the one hand of the star and on the other hand of the lever 8 have a distance from each other and are parallel to each other.
  • the overvoltage protection device can be formed as a plug-in part with plug-in connections 20 and 21.
  • a gas discharge tube 22 can be seen, which has a contact surface on one of its end faces.
  • a corresponding spring contact 24 rests with a bracket-side end on the contact surface of the gas discharge.
  • Trigger circuit is interrupted.
  • the separating element 14 the spike 16 of the rotatably mounted star with to release the lever 8 of the display and error message device.
  • the housing has a first, lower plane 26, which accommodates the horn spark gap and the varistor.
  • a second, overlying housing level 27 receives at least the separating element 14, the star with its star points, the lever 8 and an actuating extension of the slider 3.
  • lever 8 is mounted pivotably by means of the axle 18.
  • the lever 8 has at a first end of the lever 81 a bend which releases or covers a display surface, wherein at a second end of the lever 82 an actuating nose for the telecommunications contact 11 is formed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Fuses (AREA)
  • Switch Cases, Indication, And Locking (AREA)

Abstract

L'invention concerne un ensemble de protection contre les surtensions constitué d'un éclateur à cornes se trouvant dans un boîtier (1) d'isolation, pourvu d'une chambre de désionisation. Une électrode de déclenchement se trouve dans la zone d'amorçage de l'éclateur à cornes. L'invention prévoit par ailleurs un varistor, qui est en branché en série de manière électrique avec l'éclateur à cornes. Selon l'invention, un premier et un deuxième dispositif de séparation sont réalisés dans le boîtier. Le premier dispositif de séparation (2) est relié de manière thermoconductrice au varistor et débloque, une fois une température limite atteinte ou dépassée, un coulisseau (3) assisté par une force de ressort, lequel coupe le branchement en série entre le varistor et l'éclateur à cornes. Par ailleurs, le deuxième dispositif de séparation (13) comporte un conducteur fusible, lequel se trouve par exemple à l'intérieur de la chambre de désionisation et peut y être exposé à un arc électrique se formant. Le conducteur fusible maintient un élément de séparation (14) assisté par une force de ressort dans une première position et débloque ledit élément de séparation (14) lors de la fusion liée à l'action de l'arc électrique de telle manière que l'élément de séparation (14) adopte une deuxième position, un raccordement électrique avec l'électrode de déclenchement étant coupé dès que la deuxième position est atteinte. Une étoile à trois branches montée de manière rotative ou un disque circulaire avec des ergots ou des dents sont réalisés dans le boîtier de telle sorte qu'une première dent (7) de l'étoile est entraînée par le coulisseau (3) lors de son déplacement pour couper le branchement en série. De la même manière, une deuxième dent (16) de l'étoile est entraînée lors du déplacement de l'élément de séparation (14) depuis la première dans la deuxième position. Suite au déplacement par entraînement respectif, l'étoile est soumise à un vrillage autour de son axe de rotation (17) avec pour conséquence qu'une troisième dent (10) de l'étoile débloque un levier (8) pouvant pivoter, assisté par une force de ressort, lequel actionne un contact de signalisation à distance (11) et/ou un affichage d'état de défaut (12) optique.
EP19702435.9A 2018-02-27 2019-01-30 Ensemble de protection contre les surtensions constitué d'un éclateur à cornes se trouvant dans un boîtier d'isolation Active EP3552282B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL19702435T PL3552282T3 (pl) 2018-02-27 2019-01-30 Układ ochrony przepięciowej, składający się ze znajdującego się w izolującej obudowie iskiernika rożkowego
SI201930024T SI3552282T1 (sl) 2018-02-27 2019-01-30 Prenapetostna zaščitna razmestitev, ki sestoji iz rogatega iskrišča, ki se nahaja v izoliranem ohišju

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE102018104467 2018-02-27
DE102018116354.1A DE102018116354A1 (de) 2018-02-27 2018-07-05 Überspannungsschutzanordnung, bestehend aus einer in einem isolierenden Gehäuse befindlichen Hörnerfunkenstrecke
PCT/EP2019/052222 WO2019166170A1 (fr) 2018-02-27 2019-01-30 Ensemble de protection contre les surtensions constitué d'un éclateur à cornes se trouvant dans un boîtier d'isolation

Publications (2)

Publication Number Publication Date
EP3552282A1 true EP3552282A1 (fr) 2019-10-16
EP3552282B1 EP3552282B1 (fr) 2020-11-04

Family

ID=65084914

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19702435.9A Active EP3552282B1 (fr) 2018-02-27 2019-01-30 Ensemble de protection contre les surtensions constitué d'un éclateur à cornes se trouvant dans un boîtier d'isolation

Country Status (9)

Country Link
US (1) US11152769B2 (fr)
EP (1) EP3552282B1 (fr)
JP (1) JP6967658B2 (fr)
CN (1) CN111052521B (fr)
DE (2) DE102018116354A1 (fr)
ES (1) ES2845279T3 (fr)
PL (1) PL3552282T3 (fr)
SI (1) SI3552282T1 (fr)
WO (1) WO2019166170A1 (fr)

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CN114343861B (zh) * 2022-01-21 2023-07-21 浙江帝诺医疗科技有限公司 一种安全防护的无线电诊断系统的台车
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DE102013022348B4 (de) * 2013-10-22 2016-01-07 Dehn + Söhne Gmbh + Co. Kg Überspannungsschutzeinrichtung, aufweisend mindestens einen Überspannungsableiter und eine, mit dem Überspannungsableiter in Reihe geschaltete, thermisch auslösbare Schalteinrichtung
DE102014215280B3 (de) 2014-08-04 2015-09-24 Phoenix Contact Gmbh & Co. Kg Kombiniertes Überspannungsschutzgerät mit einer integrierten Funkenstrecke
DE102014215282B3 (de) 2014-08-04 2015-10-01 Phoenix Contact Gmbh & Co. Kg Kombiniertes Überspannungsschutzgerät mit einer integrierten Funkenstrecke
DE102019101200A1 (de) * 2018-07-04 2020-01-09 Dehn Se + Co Kg Überspannungsschutzanordnung mit einer in einem isolierenden Gehäuse befindlichen Hörnerfunkenstrecke mit Deionkammer zur Lichtbogenlöschung

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ES2845279T3 (es) 2021-07-26
US11152769B2 (en) 2021-10-19
WO2019166170A1 (fr) 2019-09-06
JP2020537804A (ja) 2020-12-24
US20210151957A1 (en) 2021-05-20
DE102018116354A1 (de) 2019-08-29
EP3552282B1 (fr) 2020-11-04
CN111052521B (zh) 2021-09-14
DE202018106960U1 (de) 2019-01-03
CN111052521A (zh) 2020-04-21
PL3552282T3 (pl) 2021-05-31
JP6967658B2 (ja) 2021-11-17
SI3552282T1 (sl) 2021-03-31

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