EP0782159A2 - Système de surveillance pour un sectionneur et sectionneur avec un tel système de surveillance - Google Patents

Système de surveillance pour un sectionneur et sectionneur avec un tel système de surveillance Download PDF

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Publication number
EP0782159A2
EP0782159A2 EP96118428A EP96118428A EP0782159A2 EP 0782159 A2 EP0782159 A2 EP 0782159A2 EP 96118428 A EP96118428 A EP 96118428A EP 96118428 A EP96118428 A EP 96118428A EP 0782159 A2 EP0782159 A2 EP 0782159A2
Authority
EP
European Patent Office
Prior art keywords
light
monitoring system
state
switching pin
switch
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Withdrawn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
EP96118428A
Other languages
German (de)
English (en)
Other versions
EP0782159A3 (fr
Inventor
Franz Vogl
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.)
Franz Vogl Electronic GmbH
Original Assignee
Franz Vogl Electronic GmbH
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
Priority claimed from DE19600668A external-priority patent/DE19600668C2/de
Priority claimed from DE1996128634 external-priority patent/DE19628634C2/de
Application filed by Franz Vogl Electronic GmbH filed Critical Franz Vogl Electronic GmbH
Publication of EP0782159A2 publication Critical patent/EP0782159A2/fr
Publication of EP0782159A3 publication Critical patent/EP0782159A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • H01H9/168—Indicators for switching condition, e.g. "on" or "off" making use of an electromagnetic wave communication

Definitions

  • the invention relates to an optical monitoring system according to the preamble of claim 1.
  • the invention further relates to a disconnector according to the preamble of claim 11.
  • Disconnectors of this type are generally known for medium-voltage and high-voltage switchgear.
  • the task of the innovation is to show a disconnector and an optical monitoring system that enables reliable monitoring of the actual state of the switch.
  • an optical monitoring system is designed according to the characterizing part of claim 1 and a disconnector according to the characterizing part of claim 11.
  • the actual state of the disconnector is at any time and in any state ON "and OFF "reliably and unambiguously determined, for example in addition to a signal supplied by a signaling switch.
  • the disconnector according to the invention is preferably designed such that it has two light paths in the housing of the switch, one of which has the state ON “and the other the state OFF "monitors, ie signals or at least accepted signals are supplied by the light paths only in these states, for example, so that intermediate positions of the switching pin, which are caused, for example, by defects in the switch drive, etc., can be determined.
  • Different light transmission function means in the sense of the invention in particular different light intensity transmitted to the light receiver.
  • the at least two light paths used for monitoring have, for example, a common light transmitter and a common light receiver.
  • the two light paths then differ, for example, only in that in the state A "and in condition "Different reflectors are used.
  • 1 is a disconnector which is particularly suitable for medium-voltage switchgear or high-voltage switchgear and which has the structure known for this.
  • a switching pin 3 can be moved in a housing 2 in the direction of a vertical axis V by a predetermined switching stroke between a position closing the isolating switch (FIG. 2) and a position opening the isolating switch.
  • the switching pin 3 is guided in a pin guide 4, which also has electrical ring contacts 4, which the electrical connection between the switching pin 3 and the terminal 6 of the Manufacture switch 1, which is assigned to the pin guide 4 and insulated from the housing 2.
  • the switching pin 3 forms the actual contact or button at its lower end in the figures and there has a spring-loaded contact element 8 arranged in a longitudinal bore 7.
  • the switching pin 3 To move the switching pin 3, the latter is provided at its other end with a rod 9 made of electrically insulating material which is coaxial with the axis V and which, at its end remote from the switching pin 3, is provided with a lever 10 of a. also interacts with a shift rod 11 having lever gear 12.
  • the switching rod 11 can be moved back and forth by a motor drive 13 having an electric motor for opening and closing the switch 1.
  • a signal switch 14 is provided in the motor drive 13.
  • the switching pin 3 is assigned a non-moving tulip contact 15 in the interior of the housing 1, in which when the switch 1 is closed, ie in the ON "position of the switch extends into the switching pin 3.
  • the tulip contact 15 has an annular contact 16 which interacts with the switching pin and a contact pin 17 against which the contact element 8 resiliently rests when the switch is closed.
  • the tulip contact 15 is a component of the second, likewise opposite the housing 2 insulated terminal 18 of the switch 1. It is understood that the switching pin 3 with its elements, the pin guide 4 with the ring contacts 5, the terminal 6, the tulip contact 15 with its elements and the terminal 18 consist of an electrically highly conductive material.
  • one of a light transmitter 20 and two is in the wall of the housing 2 or in a bore 19 there, which can also be used, for example, for an optical visual inspection
  • Light receivers 21 and 22 formed monitoring element 23 is provided, in the embodiment shown such that the axes of the optical exit or entry openings of the light transmitter 20 and the light receivers 21 and 22 lie in a common plane which also includes the axis V.
  • the monitoring element 23 is further offset radially with respect to the axis V such that the axes of these openings of the light transmitter 20 and the light receivers 21 and 22 each form an angle with the axis V of less than 90 °, which opens towards the tulip contact 15.
  • the light transmitter 20 is, for example, from a light source, e.g. formed by light or laser diode.
  • the light receivers 21 and 22 are opto-electrical components which are responsive to light, for example photodiodes or phototransistors.
  • the light transmitter 20 and the two light receivers 21 and 22, which are provided on both sides of the light transmitter 20, are formed by the ends of light guides or by optical elements provided on light guides, which are connected to an opto-electrical Lead unit in which a light source, for example the light-emitting or laser diode, and the light-sensitive elements, for example the photodiodes or phototransistors, are arranged at a greater spatial distance from the switch 1.
  • a light source for example the light-emitting or laser diode
  • the light-sensitive elements for example the photodiodes or phototransistors
  • the monitoring element 23 is assigned a first reflector 24 on the pin guide 4 or on the ring contact 5 there, a second reflector 25 is formed on the outer or outer surface of the switching pin 3.
  • the two reflectors 24 and 25 are arranged and inclined so that when the switch 1 is in the state OFF ", the light beam 26 emanating from the light transmitter 20 is reflected at the reflector 24 onto the lower light receiver 22 in FIGS. 2 and 3 and no or essentially no light hits the receiver 21.
  • the state ON “of the switch 1 the light path to the reflector 24 is interrupted by the switching pin 3 and the light beam 26 is reflected on the reflector 25 at the light receiver 21, while no light or essentially no light strikes the light receiver 22.
  • the position of the switching pin 3 is monitored closely, for example because of a Defects in the motor drive or in the lever gear 20 in a position between Off and ON ", the path of the light beam 26 to the reflector 24 is interrupted, while at the same time no light is reflected at the reflector 25 onto one of the two receivers 21 and 22, so that overall the actual position of the switching pin 3 can be reliably monitored.
  • the plane of the reflector 25 in the embodiment shown is inclined with respect to the axis V in such a way that it forms an acute angle with this axis which extends upwards, i.e. open to the side facing away from the tulip contact 15.
  • Fig. 4 shows a further embodiment of a switch 1a, which differs from switch 1 of Figures 2 and 3 essentially only in that instead of the monitoring element 23, a monitoring element 23a is provided, which the viewing transmitter 20 and only one light receiver, namely for example has the light receiver 21.
  • the arrangement is such that both when the switch is closed (FIG. 4) and when the switch is open (FIG. 5), the light beam 26 is reflected on the light receiver 21, namely on the reflection surfaces or reflectors 24a or 25a which correspond to the reflectors 24 and 25 in terms of their general function and arrangement.
  • both reflectors 24a and 25a have different properties, for example different reflectivities, for example due to different surface designs, such as surface roughness, coloring, etc.
  • FIGS. 4 and 5 also has the advantage that it is reliably monitored whether one of the two switch positions ( ON "or OFF ") is present. Furthermore, the respective switching position can be identified by the different signal levels.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Switch Cases, Indication, And Locking (AREA)
EP96118428A 1995-12-30 1996-11-16 Système de surveillance pour un sectionneur et sectionneur avec un tel système de surveillance Withdrawn EP0782159A3 (fr)

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
DE19549159 1995-12-30
DE19549159 1995-12-30
DE19600668 1996-01-10
DE19600668A DE19600668C2 (de) 1995-12-30 1996-01-10 Optisches Überwachungssystem für Hoch- oder Mittelspannungsschalter sowie Trennschalter mit einem solchen Überwachungssystem
DE19628634 1996-07-16
DE1996128634 DE19628634C2 (de) 1996-01-10 1996-07-16 Optisches Überwachungssystem für Hoch- und Mittelspannungsschalter sowie Trennschalter mit einem solchen Überwachungssystem

Publications (2)

Publication Number Publication Date
EP0782159A2 true EP0782159A2 (fr) 1997-07-02
EP0782159A3 EP0782159A3 (fr) 1998-10-28

Family

ID=27215785

Family Applications (1)

Application Number Title Priority Date Filing Date
EP96118428A Withdrawn EP0782159A3 (fr) 1995-12-30 1996-11-16 Système de surveillance pour un sectionneur et sectionneur avec un tel système de surveillance

Country Status (1)

Country Link
EP (1) EP0782159A3 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103138199B (zh) * 2004-06-09 2018-08-24 Abb瑞士股份有限公司 气体绝缘的开关设备

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1229624B (de) * 1963-08-16 1966-12-01 Siemens Ag Vorrichtung zur Anzeige der Schaltstellung von Hochspannungsschaltern
DE2138456C3 (de) * 1971-07-29 1978-08-17 Siemens Ag, 1000 Berlin Und 8000 Muenchen Trennschalter für eine metallgekapselte Hochspannungsschaltanlage
US4692612A (en) * 1986-06-13 1987-09-08 Karel Havel Switch position detector and indicator with multicolor light emitter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103138199B (zh) * 2004-06-09 2018-08-24 Abb瑞士股份有限公司 气体绝缘的开关设备

Also Published As

Publication number Publication date
EP0782159A3 (fr) 1998-10-28

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