WO2016034392A1 - Dispositif de commutation pour appareillages de protection contre les surtensions - Google Patents

Dispositif de commutation pour appareillages de protection contre les surtensions Download PDF

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Publication number
WO2016034392A1
WO2016034392A1 PCT/EP2015/068781 EP2015068781W WO2016034392A1 WO 2016034392 A1 WO2016034392 A1 WO 2016034392A1 EP 2015068781 W EP2015068781 W EP 2015068781W WO 2016034392 A1 WO2016034392 A1 WO 2016034392A1
Authority
WO
WIPO (PCT)
Prior art keywords
current path
switching
switching device
switching elements
surge
Prior art date
Application number
PCT/EP2015/068781
Other languages
German (de)
English (en)
Inventor
Georg Wittmann
Edmund ZÄUNER
Christian Lang
Helmut Hirschmann
Original Assignee
Dehn + Söhne Gmbh + 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 + Söhne Gmbh + Co. Kg filed Critical Dehn + Söhne Gmbh + Co. Kg
Priority to CN201580047359.7A priority Critical patent/CN106796859A/zh
Priority to SI201531364T priority patent/SI3189536T1/sl
Priority to EP15757178.7A priority patent/EP3189536B1/fr
Priority to ES15757178T priority patent/ES2826605T3/es
Publication of WO2016034392A1 publication Critical patent/WO2016034392A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H83/00—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current
    • H01H83/10—Protective switches, e.g. circuit-breaking switches, or protective relays operated by abnormal electrical conditions otherwise than solely by excess current operated by excess voltage, e.g. for lightning protection
    • 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
    • H01C7/126—Means for protecting against excessive pressure or for disconnecting in case of failure

Definitions

  • the invention relates to a switching device for overvoltage protection devices, consisting of mechanically biased, shock-current capable first
  • Switching elements which form a series circuit of a surge current path with the one or more Abieitern of the overvoltage protection device, and a connected to the series circuit fault current path, according to the preamble of claim 1.
  • a Matternapssabieiter is previously known, in a housing mi ndlets a Ableiteiement, in particular designed as a varistor has.
  • the previously known solution also includes a thermal shutdown device, designed as a fuse.
  • the fuse has a movable component, which is fixed by a detector wire and released after melting or destroying this wire.
  • the movable bolt is thus able to perform a motion with the melting of the detector wire detector.
  • the executed movement is used for a visual damage indication.
  • Thermally coupled separation devices for overvoltage protection devices are also known from DE 10 2006 036 598 AI. There will be one
  • Tongue and an associated Lotstelle with a biasing, tripping and switching force applied. Due to the necessary thermal coupling and the time delay of the necessary heat transfer is a desired sch nelle operation i m trouble case problematic.
  • overvoltage surge protection devices are usually protected by means of thermal Abtren tion of a solder joint from overloading.
  • Such solutions have the disadvantage that the shutdown is relatively slow, ie. takes place only with the achievement of the melting temperature of the solder.
  • a protection of the overvoltage element, in particular of the varistor used, is given only in egg nem current range of small leakage currents of a few milliamps up to a few amps.
  • High-energy impulse current pulses or larger line frequency overload currents (TOV) can lead to an inadmissible failure in the sense of a
  • an object of the invention to provide an advanced shutdown device for surge protective devices, which has a switching capacity in an increased current range of a few amperes to the maximum switching capacity of the switching elements in the surge current path. This is to achieve a broadband total switching capacity over the entire current range from the leakage current to the maximum switching capacity.
  • the switching device to be developed is concerned with detecting fast tripping criteria and in this way safely disconnecting the actual overvoltage protection device from the supplying electrical network in the event of an overload.
  • a switching device for surge protection devices which consists of mechanically biased, shock-current capable first switching elements. These first switching elements form with the Abieitern or, z. B. a Gasabieiter and / or a varistor of
  • Overvoltage protection device a series circuit within a surge current or main current path. Furthermore, a fault current path is connected to the pre-series series connection.
  • second switching elements are arranged in the fault current path, which are mechanically coupled to the first switching elements in such a way that, in the case of continuing inadmissible loads of the absorber in the surge current path, triggering of the first shadow element or elements results in a galvanic separation of the surge current path from the respective network.
  • the first switching elements may be formed as shock-current resistant contact arrangements, which by means of a separating slide in an open position, ie. can be converted into a separation state and can be kept in this state.
  • shock current capable switching elements belong to the known prior art and are therefore known in the art with respect to structure and operation.
  • the second switching elements have m at least one control or actuating element a uf, which with a first lever-like coupling element in
  • Active compound is.
  • the first hebela term coupling element has a pawl to unlock a second hebela term coupling element or a corresponding coupling rod.
  • the second lever-like coupling element or the aforementioned coupling rod releases a lock when triggered, which otherwise mechanically
  • lever-like coupling elements in conjunction with the Sperru ng can be a relatively small force of the control or actuator be translated so that sufficient actuating energy is available to the mechanically biased, shock current capable first
  • the one or more second switching elements are designed in a preferred manner as a so-called indicator fuse.
  • This detector fuse has a bolt which is released with the melting of the detector wire, wherein the bolt bi the control or actuator bi.
  • the arrangement of the switching device comprising the main assemblies first switching elements, second switching elements and the mechanical coupling parts, can be arranged in a separate housing which is part of a surge protection device or for retrofitting corresponding devices use. In this respect are at the thus incurred
  • the presented switching device can also be used in conventional overvoltage protection devices for the purpose of improving this in the sense of
  • the surge current path represents the main circuit and the fault current path represents a self-switching type imaging circuit, and in a preferred embodiment in the imaging circuit, an impedance is connected in series with the second switching elements
  • Gasabieiter which is located in the main circuit, is connected in parallel, such that at mains frequency leakage current in the imaging circuit at Im pulse load the voltage drop across the Rei henscnies causes ignition of Gasabieiters.
  • In one embodiment of the invention is in the surge current path ei ne thermally controlled separation device located. This thermally controlled
  • Separator can preferably the state of an im
  • Surge current path Varistors monitor as Abieiter.
  • the proposed solution comprises in summary a surge current path and a parallel, not Stroßstrom-flowed fault current path.
  • the device forms a series circuit of two switching elements comprehensive functional units, theterrorismsei beauty in the fault current path has a way of current detection, for example on the melt integral I 2 t a fuse, via ei ne solenoid or similar device, further has a Eigenabschaltsecurity and a control or actuator comprises.
  • the functional unit lying in the surge current path has a corresponding intrinsic switching capacity, effects a reliable disconnection function and is indirectly connected by the functional unit in the fault current path, ie. mechanically coupled.
  • Fig. 1 is a schematic diagram of the solution according to the invention.
  • Fig. 2 shows an exemplary embodiment of a constructive solution of
  • Fig. 3 is a view similar to that of FIG. 2, but in the
  • the switching device for overvoltage protection devices has the connections AI and A2, which are connected to the network to be protected. Furthermore, the device in the surge current path comprises the functional unit S2, which represents the first switching elements. Furthermore, an overvoltage protection element, i. E. a Abieiter ÜS1, preferably designed as Gasabieiter, and an overvoltage protection element ÜS2, preferably a running as a varistor, available. In the error current path is the functional unit Sl, d. H. the corresponding second switching elements, the impedance ZI and the overvoltage protection element ÜS2.
  • the impedance ZI causes the necessary tension ungsabfali for ignition of the overvoltage protection element, d. H . the gasabieiter ÜS1.
  • the functional unit S1 is designed as a fuse with identifier.
  • the detector releases a push-button or bolt releasing a mechanical release, which operates the functional unit S2. This is indicated by the dashed line.
  • the functional unit S2 then ensures the galvanic separation of the overloaded conductor from the supply network after the tripping operation.
  • Functional unit S2 can additionally be combined with a thermal separation device ATV.
  • Detector fuse with actuating pin 2 located.
  • the switching elements S2 which are designed shock-current resistant, electrically connected, ie. the switching device is closed.
  • the first switching elements S2 together with slide 3 are arranged in a second housing part 4.
  • the movement of the slider 3 is blocked by a rotatable lock 5.
  • the block 5 is applied to egg nem second lever-like coupling element 6, which is held by a pawl 7 of a first lever-like coupling element 8.
  • the pawl 7 opposite the end of the first lever-like
  • Coupling element 8 designated by the reference numeral 9, is applied to the pin 2 of the indicator.
  • a biasing spring 11 accelerates the pivoting of the second lever-type coupling element 6, which is executed in the direction of the arrow according to FIGS. 2 and 3 to the left, with the result of a rotational movement of the blocking element 5 in FIG
  • first switching elements S2 can be designed optimally with regard to their required surge current carrying capacity.
  • the originating from the second switching element Sl actuating force on the bolt 2 must be sufficient ledigl I to move the first lever-like coupling element 8 together with pawl 7 from its locked position to a release position.
  • the inserted fuse-fuse is not main current-carrying and almost mechanical only with a circuit breaker, which is located in the main circuit, coupled and able to trigger the circuit breaker.
  • the fault current path is designed as a circuit that maps the current conditions in the main circuit.

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Fuses (AREA)

Abstract

L'invention concerne un dispositif de commutation pour les appareillages de protection contre les surtensions, constitué de premiers éléments de commutation mécaniquement précontraints et supportant les courants de choc qui forment, avec le ou les parafoudres de l'appareillage de protection contre les surtensions, un circuit série d'un trajet de courant de choc ainsi qu'un trajet de courant de défaut connecté au circuit série. Selon l'invention, des deuxièmes éléments de commutation sont disposés dans le trajet de courant de défaut et sont couplés mécaniquement aux premiers éléments de commutation de telle sorte qu'en présence de charges inacceptables persistantes sur le parafoudre de l'appareillage de protection contre les surtensions dans le trajet de courant de choc, il se produit un déclenchement du ou des premiers éléments de commutation avec pour conséquence un isolement galvanique du circuit de courant de choc du réseau correspondant.
PCT/EP2015/068781 2014-09-05 2015-08-14 Dispositif de commutation pour appareillages de protection contre les surtensions WO2016034392A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201580047359.7A CN106796859A (zh) 2014-09-05 2015-08-14 用于过电压保护设备的开关装置
SI201531364T SI3189536T1 (sl) 2014-09-05 2015-08-14 Preklopna ureditev za prenapetostne zaščitne naprave
EP15757178.7A EP3189536B1 (fr) 2014-09-05 2015-08-14 Dispositif de coupure pour elements de protection surtension
ES15757178T ES2826605T3 (es) 2014-09-05 2015-08-14 Dispositivo de conmutación para aparatos de protección contra sobretensiones

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE102014013216.1 2014-09-05
DE102014013216 2014-09-05
DE102015008136.5 2015-06-24
DE102015008136.5A DE102015008136B4 (de) 2014-09-05 2015-06-24 Schalteinrichtung für Überspannungsschutzgeräte

Publications (1)

Publication Number Publication Date
WO2016034392A1 true WO2016034392A1 (fr) 2016-03-10

Family

ID=55358548

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2015/068781 WO2016034392A1 (fr) 2014-09-05 2015-08-14 Dispositif de commutation pour appareillages de protection contre les surtensions

Country Status (6)

Country Link
EP (1) EP3189536B1 (fr)
CN (1) CN106796859A (fr)
DE (1) DE102015008136B4 (fr)
ES (1) ES2826605T3 (fr)
SI (1) SI3189536T1 (fr)
WO (1) WO2016034392A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017042063A1 (fr) * 2015-09-11 2017-03-16 Dehn + Söhne Gmbh + Co. Kg Dispositif de coupure sûre côté réseau, indépendamment d'appareils de distribution et de fusibles auxiliaires, de moyens de protection contre les surtensions en cas d'états de fonctionnement critiques

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015016729B4 (de) 2015-12-22 2018-10-31 Vdm Metals International Gmbh Verfahren zur Herstellung einer Nickel-Basislegierung
DE102016011076A1 (de) * 2016-04-19 2017-10-19 DEHN + SÖHNE GmbH + Co. KG. Anordnung zum Überlastschutz von Überspannungsschutzgeräten
US11223200B2 (en) * 2018-07-26 2022-01-11 Ripd Ip Development Ltd Surge protective devices, circuits, modules and systems including same
CN113708336A (zh) * 2020-05-21 2021-11-26 菲尼克斯电气公司 过电压保护装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2696588A1 (fr) * 1992-10-07 1994-04-08 Legrand Sa Limiteur de surtension à moyen indicateur de mise en défaut.
EP1607995A1 (fr) * 2004-06-18 2005-12-21 Schneider Electric Industries Sas Dispositif de protection contre des surtensions
DE202006020213U1 (de) * 2006-06-08 2007-12-20 Dehn + Söhne Gmbh + Co. Kg Überstromschutzeinrichtung für den Einsatz in Überspannungsschutzgeräten mit zusätzlichem mechanischen Auslöser, bevorzugt als Schlagbolzen ausgeführt
EP2278605A1 (fr) * 2009-07-21 2011-01-26 ABB France Dispositif de protection d'une installation électrique contre des surtensions transitoires
DE102013202796A1 (de) * 2013-02-20 2014-08-21 Phoenix Contact Gmbh & Co. Kg Abtrennvorrichtung

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3805890C2 (de) 1987-10-24 1995-11-23 Bettermann Obo Ohg Vorrichtung zur Funktionsüberwachung von Überspannungsableitern
DE102006036598A1 (de) 2006-04-26 2007-10-31 Dehn + Söhne Gmbh + Co. Kg Verfahren zur Dimensionierung einer Abtrennvorrichtung für Überspannungsableiter
DE102006034404B4 (de) * 2006-06-08 2014-05-28 Dehn + Söhne Gmbh + Co. Kg Überstromschutzeinrichtung für den Einsatz mit Überspannungsschutzgeräten, mit einem zusätzlichen als Schlagbolzen ausgeführten mechanischen Auslöser
DE102009022069B4 (de) 2009-01-12 2016-10-20 Dehn + Söhne Gmbh + Co. Kg Überspannungsableiter
DE102010047244A1 (de) 2010-10-04 2012-04-05 Phoenix Contact Gmbh & Co. Kg Überspannungsschutzvorrichtung
DE202011110468U1 (de) 2011-02-18 2014-03-07 Dehn + Söhne Gmbh + Co. Kg Überspannungsschutzeinrichtung, umfassend mindestens einen Überspannungsableiter
DE102012011072B4 (de) 2012-03-26 2016-03-03 Dehn + Söhne Gmbh + Co. Kg Defektanzeige für eine elektronische Einrichtung, insbesondere Überspannungsableiter

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2696588A1 (fr) * 1992-10-07 1994-04-08 Legrand Sa Limiteur de surtension à moyen indicateur de mise en défaut.
EP1607995A1 (fr) * 2004-06-18 2005-12-21 Schneider Electric Industries Sas Dispositif de protection contre des surtensions
DE202006020213U1 (de) * 2006-06-08 2007-12-20 Dehn + Söhne Gmbh + Co. Kg Überstromschutzeinrichtung für den Einsatz in Überspannungsschutzgeräten mit zusätzlichem mechanischen Auslöser, bevorzugt als Schlagbolzen ausgeführt
EP2278605A1 (fr) * 2009-07-21 2011-01-26 ABB France Dispositif de protection d'une installation électrique contre des surtensions transitoires
DE102013202796A1 (de) * 2013-02-20 2014-08-21 Phoenix Contact Gmbh & Co. Kg Abtrennvorrichtung

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017042063A1 (fr) * 2015-09-11 2017-03-16 Dehn + Söhne Gmbh + Co. Kg Dispositif de coupure sûre côté réseau, indépendamment d'appareils de distribution et de fusibles auxiliaires, de moyens de protection contre les surtensions en cas d'états de fonctionnement critiques

Also Published As

Publication number Publication date
EP3189536B1 (fr) 2020-09-30
ES2826605T3 (es) 2021-05-18
DE102015008136B4 (de) 2021-08-26
DE102015008136A1 (de) 2016-03-10
CN106796859A (zh) 2017-05-31
EP3189536A1 (fr) 2017-07-12
SI3189536T1 (sl) 2020-11-30

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