EP1369890A1 - Percuteur de signalisation pour fusible haute tension - Google Patents

Percuteur de signalisation pour fusible haute tension Download PDF

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Publication number
EP1369890A1
EP1369890A1 EP02405461A EP02405461A EP1369890A1 EP 1369890 A1 EP1369890 A1 EP 1369890A1 EP 02405461 A EP02405461 A EP 02405461A EP 02405461 A EP02405461 A EP 02405461A EP 1369890 A1 EP1369890 A1 EP 1369890A1
Authority
EP
European Patent Office
Prior art keywords
spring
fuse
activator
housing
detection system
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.)
Withdrawn
Application number
EP02405461A
Other languages
German (de)
English (en)
Inventor
Uwe Kaltenborn
Guido Hoffmann
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.)
ABB Research Ltd Switzerland
ABB Research Ltd Sweden
Original Assignee
ABB Research Ltd Switzerland
ABB Research Ltd Sweden
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 ABB Research Ltd Switzerland, ABB Research Ltd Sweden filed Critical ABB Research Ltd Switzerland
Priority to EP02405461A priority Critical patent/EP1369890A1/fr
Priority to US10/449,514 priority patent/US6831546B2/en
Priority to PL03360518A priority patent/PL360518A1/xx
Publication of EP1369890A1 publication Critical patent/EP1369890A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • 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
    • H01H85/30—Means for indicating condition of fuse structurally associated with the fuse
    • H01H85/303—Movable indicating elements
    • H01H85/306—Movable indicating elements acting on an auxiliary switch or contact

Definitions

  • the invention starts with a field detector system for a High-voltage fuse according to the preamble of claim 1.
  • a such a field detector system has various functions. For one thing this system for that in any way, be it visual, acoustic and / or electrical, it is reported that the high voltage fuse due to the from the Fuse currents and / or the prevailing ambient temperature has triggered.
  • the system can also be used to in a circuit with a switch-fuse combination in the circuit interrupt the current by triggering the switch.
  • Under High voltages are to be understood as nominal voltages greater than 1 kV, but in particular nominal voltages up to approx. 100 kV.
  • the invention also relates to a high-voltage fuse with this impact detector system and a switch-fuse system with this fuse.
  • the invention takes on a prior art Detector systems reference, as described in the HTB - 11/97 "HH fuse links with temperature limiter "from SIBA fuse construction GmbH, Borker Strasse 22, D-44534 Lünen.
  • One in this Release alarm system described is used in fuses for Medium voltage switchgear, i.e. at nominal voltages of typically 10, 20 or 30 kV, used and has a cylindrical symmetrical Housing on, in which a preloaded coil spring and one inside the Coil spring guided and pre-tensioning pin thermoplastic material are arranged. An upward-facing end of the biased spring is supported on a lower end of a bolt-shaped Detector, the upper end of which is led out of the housing.
  • thermoplastic stick works as a melting activator, which is above a predetermined limit temperature melts and thereby a relaxation of the spring and thus a triggering of the Impact detector. This enables the melt activator to be activated that the temperature in the fuse due to internal influences, such as long-lasting overcurrents, or external influences, such as the supply of heat through the switchgear or by radiation above the limit temperature.
  • the melt activator can also be activated in that the Limiting a current flowing in the fuse from that of the low-resistance Fuse wire of the fuse in the high-resistance wire commutating current the melt activator quickly to the limit temperature heating up.
  • the activator which activates the previously known field detector system consists of thermoplastic material.
  • a thermoplastic has in generally has a very wide temperature range in which initially by softening and later by crystallite melting the strength properties of the material are gradually reduced. Therefore, a wide spreading behavior cannot be excluded with certainty when triggering this field detector system.
  • the invention solves the problem To indicate the stroke detector system of the type mentioned at the beginning, which simple means to safely trigger a high-voltage fuse in one allows relatively narrow temperature range.
  • the activator has a high energy material with one above the Limit temperature releasable amount of energy that is sufficient to the wire winding melting, then a limit temperature can be reached, which at most fluctuates by approx. ⁇ 10 ° C.
  • a correspondingly small spread shows the field detector system provided with such an activator according to the Invention on.
  • Particularly suitable high-energy materials contain one Fuel, such as in particular a guanidine or a guanidine derivative, one Reaching the limit temperature with the fuel, releasing the energy reacting oxidizer, such as in particular a nitrate, chlorate, perchlorate and / or Permanganate, and optionally a binder, such as paraffin in particular or a polymer.
  • a particularly simple run detector system is achieved if the Activator mechanically fixes the wire winding. After the activator is triggered the point fixation is canceled and the turns of the winding opened while releasing the spring.
  • the activator is particularly advantageous for mass production executed and fixes the wire winding on the spring.
  • Contains the activator an alloy melting at the limit temperature, especially based Silver, copper and / or aluminum, doped with indium and / or germanium, see above has the field detector system according to the invention because of only a few ° C fluctuating melting temperature a particularly small spread at Trigger on.
  • suitable Alloys are described in the aforementioned DE 100 22 241 A1.
  • a particularly compact design of the field detector system according to the Invention is achieved when the spring is designed as a coil spring and with a fixed end arranged opposite the movable end is supported on the housing, and if the bias from that to the movable and the fixed end of the spring guided wire winding is included.
  • the High-voltage fuse 1 shown in FIG. 1 has a hollow cylindrical shape and generally designed as a ceramic housing 2, in which in coaxial Arrangement of a support body 3, which also generally consists of ceramic is kept fixed. On the support body 3 are helical wound, low-resistance fuse element 4 arranged, the ends of which with one attach to the lower end of the housing 2, cap-shaped Power connector 5 are connected and the other with one at the top of the housing 2 attach cap-shaped power connector 6.
  • the Power connector 6 has an opening 7 through which one in the direction of Housing axis 8 movable part (not shown in Fig.1) of a Power connection 6 attached impact detector system 9 is feasible.
  • This part works with a switch 10 connected in series with the high-voltage fuse 2 a switch-fuse system 11 together. Inside the Fuse housing 2 is also a led into the impact detector system 9, high-resistance wire 12 provided. This wire is with both Power connections 5 and 6 connected and thus parallel to the fuse element 4 connected.
  • the A coaxial alarm system for securing a generally has metallic housing 13, whose lower end as a taper 14 and whose upper end is designed as a widening 15. Inside the case 13, a preloaded coil spring 16 is arranged. The coil spring 16 sits with its lower end on the taper 14 and carries on its upper movable end an actuator designed as a cap 17. The power of biased spring 16 is through a winding 18 of the high impedance Resistance wire 12 added, the turns of which from the movable end the spring to the opposite fixed end are.
  • a high energy material such as a
  • This material decomposes in one Temperature of approx. 177 ° C and releases an amount of energy of 862 J / g.
  • the activator 20 is at least partially in thermally conductive contact with the Wire winding 18 and embeds at least one for manufacturing reasons Part of the spring 16 a.
  • Fuse 1 heats up due to external (external energy) or internal (Backup current) effects at approx. 177 ° C, so the high-energy material decomposes and releases energy, which with suitable mass dimensioning is sufficient to melt the wire winding 18.
  • the coil spring 16 can now relax and guides the actuator 17 with its movable upper end through the widening 15 and the opening 7 (FIG. 1) from the fuse housing 2 and thus reports the response of the impact detector system 9 in an optical manner.
  • the actuator 17 can be opened by striking a trigger element of the switch 10 its opening and thus switching off one in the switch-fuse system cause flowing current.
  • An activation of the field detector system when limiting one in the fuse 1 flowing fault current is achieved in that the fault current after it has interrupted the low-resistance wire 4 by melting, in the high-resistance resistor wire 12 commutated parallel path and the The wire is now very hot. Since the activator 20 is in thermally conductive contact with The wire winding 18, which is now very hot, activates the activator quickly Decomposition temperature of 177 ° C and the winding through it decomposing high energy material while releasing the moving end of the Coil spring 16 and by pulling the actuator 17 out of the fuse 1 destroyed.
  • the activator 20 mechanically fixes the wire winding 18. This is achieved by a small drop of an alloy melting at the desired limit temperature, for example Agln 2 with a melting temperature of 166 ° C., which fixes the wire winding 18 on the spring 16 in the form of a point, or which fixes two sections of the winding 18 which can be displaced relative to one another ,
  • the melting temperature of approx. 166 ° C. is reached, the wire winding 18 is released from the spring 16 or the displaceable winding sections are separated from one another and the windings of the winding 18 can now open while simultaneously releasing the spring.
EP02405461A 2002-06-07 2002-06-07 Percuteur de signalisation pour fusible haute tension Withdrawn EP1369890A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP02405461A EP1369890A1 (fr) 2002-06-07 2002-06-07 Percuteur de signalisation pour fusible haute tension
US10/449,514 US6831546B2 (en) 2002-06-07 2003-06-02 Impact signaling system for a high-voltage protective device
PL03360518A PL360518A1 (en) 2002-06-07 2003-06-05 Impulse wave signalling system for high voltage fuse and high voltage fuse

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP02405461A EP1369890A1 (fr) 2002-06-07 2002-06-07 Percuteur de signalisation pour fusible haute tension

Publications (1)

Publication Number Publication Date
EP1369890A1 true EP1369890A1 (fr) 2003-12-10

Family

ID=29433241

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02405461A Withdrawn EP1369890A1 (fr) 2002-06-07 2002-06-07 Percuteur de signalisation pour fusible haute tension

Country Status (3)

Country Link
US (1) US6831546B2 (fr)
EP (1) EP1369890A1 (fr)
PL (1) PL360518A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2958074A1 (fr) * 2010-03-29 2011-09-30 Ferraz Shawmut Fusible et interrupteur sectionneur comprenant un tel fusible
WO2011121216A1 (fr) 2010-03-29 2011-10-06 Mersen France Sb Sas Fusible et interrupteur sectionneur comprenant un tel fusible
CN103441050A (zh) * 2013-09-18 2013-12-11 上海电器陶瓷厂有限公司 一种用于油浸式熔断器的撞击器

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7369030B2 (en) * 2004-09-08 2008-05-06 Cooper Technologies Company Fuse state indicator
WO2009056475A1 (fr) * 2007-10-31 2009-05-07 Abb Technology Ag Dispositif de contrôle de température pour composants haute tension et moyenne tension
US9443683B2 (en) 2012-04-24 2016-09-13 Commscope Technologies Llc RF thermal fuse
CN109859997A (zh) * 2019-03-27 2019-06-07 上海查尔斯光电科技有限公司 一种保险丝

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CH219782A (de) * 1940-04-10 1942-02-28 Licentia Gmbh Schmelzsicherung mit Anzeige- und Auslöseeinrichtung.
DE902879C (de) * 1940-07-10 1954-01-28 Voigt & Haeffner Ag Geschlossene Schmelzsicherung
DE7016823U (de) * 1970-05-05 1970-08-20 Wickmann Werke Ag Schlagstift fuer eine vorrichtung an elektrischen sicherungen.
DE1763084A1 (de) * 1968-04-02 1972-02-24 Voigt & Haeffner Gmbh Kraftspeicher fuer Schmelzsicherungen
DE3337380A1 (de) * 1983-10-14 1985-04-25 Wickmann-Werke GmbH, 5810 Witten Hochspannungs-hochleistungssicherung
DE29605370U1 (de) * 1996-03-22 1996-05-30 Driescher Spezialfab Fritz Hochspannungs-Hochleistungssicherung

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US3535668A (en) * 1968-07-26 1970-10-20 Ferraz & Cie Lucien Electrical cartridge fuses
US3593249A (en) * 1969-05-22 1971-07-13 Bel Aire Sales Corp Circuit breaker with bimetallic element
US3636491A (en) * 1969-12-31 1972-01-18 Westinghouse Electric Corp Current-limiting fuse
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FR2591030B1 (fr) * 1985-11-29 1987-12-31 Ferraz Dispositif a fibres optiques pour le controle du fonctionnement des cartouches a fusibles
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Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH219782A (de) * 1940-04-10 1942-02-28 Licentia Gmbh Schmelzsicherung mit Anzeige- und Auslöseeinrichtung.
DE902879C (de) * 1940-07-10 1954-01-28 Voigt & Haeffner Ag Geschlossene Schmelzsicherung
DE1763084A1 (de) * 1968-04-02 1972-02-24 Voigt & Haeffner Gmbh Kraftspeicher fuer Schmelzsicherungen
DE7016823U (de) * 1970-05-05 1970-08-20 Wickmann Werke Ag Schlagstift fuer eine vorrichtung an elektrischen sicherungen.
DE3337380A1 (de) * 1983-10-14 1985-04-25 Wickmann-Werke GmbH, 5810 Witten Hochspannungs-hochleistungssicherung
DE29605370U1 (de) * 1996-03-22 1996-05-30 Driescher Spezialfab Fritz Hochspannungs-Hochleistungssicherung

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2958074A1 (fr) * 2010-03-29 2011-09-30 Ferraz Shawmut Fusible et interrupteur sectionneur comprenant un tel fusible
WO2011121216A1 (fr) 2010-03-29 2011-10-06 Mersen France Sb Sas Fusible et interrupteur sectionneur comprenant un tel fusible
CN103441050A (zh) * 2013-09-18 2013-12-11 上海电器陶瓷厂有限公司 一种用于油浸式熔断器的撞击器

Also Published As

Publication number Publication date
PL360518A1 (en) 2003-12-15
US6831546B2 (en) 2004-12-14
US20030227367A1 (en) 2003-12-11

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