EP0984475B1 - Method for performing a load detection in a multiple function electonic switch - Google Patents

Method for performing a load detection in a multiple function electonic switch

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Publication number
EP0984475B1
EP0984475B1 EP19990115457 EP99115457A EP0984475B1 EP 0984475 B1 EP0984475 B1 EP 0984475B1 EP 19990115457 EP19990115457 EP 19990115457 EP 99115457 A EP99115457 A EP 99115457A EP 0984475 B1 EP0984475 B1 EP 0984475B1
Authority
EP
European Patent Office
Prior art keywords
load
switch
reverse voltage
shutter
switching device
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.)
Expired - Lifetime
Application number
EP19990115457
Other languages
German (de)
French (fr)
Other versions
EP0984475A2 (en
EP0984475A3 (en
Inventor
Peter Dipl.-Ing. Vollmann
Friedrich Dipl.-Ing. Vogt
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 Patent GmbH
Original Assignee
ABB Patent 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
Application filed by ABB Patent GmbH filed Critical ABB Patent GmbH
Publication of EP0984475A2 publication Critical patent/EP0984475A2/en
Publication of EP0984475A3 publication Critical patent/EP0984475A3/en
Application granted granted Critical
Publication of EP0984475B1 publication Critical patent/EP0984475B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H47/00Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current

Definitions

  • the invention relates to a method for carrying out a load detection in an electronic multi-purpose switch, which can be used in the field of building installation technology.
  • Electronic switches of the installation technology contain load switching elements, e.g. Relays or semiconductor switches that can be controlled by electronic means.
  • Electronic shutter switches for example, contain two relays, the associated control device causes only the relay for the up direction or the relay for the down direction can be turned on, but never both relays at the same time, otherwise a connected blind motor could be damaged.
  • Electronic series switches also contain two relays, which may be switched on individually or both at the same time.
  • the two mentioned electronic switches can basically have the same type of control buttons for on-site operation, or even similar connections for a remote control from an extension.
  • EP-A-0827255 a method for carrying out a load detection is known, wherein during a mains half-wave the voltage dropping across a load to be detected and the current flowing through the load are determined. From these values, the load impedance is calculated. Based on a comparison of the determined load impedance with a plurality of predetermined load impedances, a load identification takes place.
  • the invention has for its object to provide a method for performing a load detection in a multi-purpose electronic switch, which can be used either as a series switch or as blind switch.
  • the invention enables rationalization in manufacturing, warehousing, distribution and assembly, since the electronic multi-purpose switch is adapted to automatically check which type of load is connected and to automatically adjust its operation depending on the test result. Device confusion or installation errors are thereby avoided.
  • Fig. 1 shows an electronic multi-purpose switch 1, which has a switching unit 2 with two controllable load switching elements 3, 4.
  • the load switching elements 3, 4 are shown in the drawing as a contact. They are controllable by control means 5, 6, namely a logic unit 5 and an electronic evaluation unit 6.
  • the logic unit 5 may be, for example, an electronic circuit or a microprocessor.
  • a control element 7 with buttons is present.
  • Via control connections 8, 9 is an extension 10, for example, connected via a bus connection. Extension 10 may be, for example, a timer.
  • a power supply 11 is provided for feeding the functional units 2 to 7 of the electronic multi-purpose switch 1. Cable connections and effective directions are indicated by arrows.
  • 14 is a lamp with two in series switching operation switchable lamps shown.
  • 15 a typical blind motor is called, which has a capacitor C.
  • This behavior of the shutter motor 15 is used in electronic multi-purpose switch 1 for load detection. This can be done by the logic unit 5 or the evaluation unit 6 turns on after applying the mains voltage of one of the load switching elements for a duration T of about one second, during which a connected blind motor can move from its end position, if the corresponding up or down direction was controlled.
  • T duration
  • the evaluation unit 6 determines whether the open connection 12 or 13 is connected to the evaluation unit 6. If no reverse voltage is detected, the test procedure is repeated by activating the other direction of movement. If a return voltage is detected in the first or second test step, the evaluation unit 6 sets the operating mode shutter switch on the logic unit 5. For safety reasons, this operating mode is also selected if the test result should not be unique. If no blind motor is connected, the series switch operating mode is set.
  • multi-purpose switch can also be used or adapted for the connection of Venetian blind motors with a different structure and that the test procedure can also be modified accordingly.

Description

Die Erfindung bezieht sich auf ein Verfahren zur Durchführung einer Lastdetektion bei einem elektronischen Mehrzweckschalter, der im Bereich der Gebäudeinstallationstechnik einsetzbar ist.The invention relates to a method for carrying out a load detection in an electronic multi-purpose switch, which can be used in the field of building installation technology.

Elektronische Schalter der Installationstechnik enthalten Lastschaltglieder, z.B. Relais oder Halbleiterschalter, die mit elektronischen Mitteln ansteuerbar sind.Electronic switches of the installation technology contain load switching elements, e.g. Relays or semiconductor switches that can be controlled by electronic means.

Elektronische Jalousieschalter enthalten beispielsweise zwei Relais, wobei die zugehörige Steuereinrichtung bewirkt, dass jeweils nur das Relais für die Auf-Richtung oder das Relais für die Ab-Richtung eingeschaltet werden kann, jedoch niemals beide Relais zugleich, da sonst ein angeschlossener Jalousiemotor Schaden nehmen könnte.Electronic shutter switches, for example, contain two relays, the associated control device causes only the relay for the up direction or the relay for the down direction can be turned on, but never both relays at the same time, otherwise a connected blind motor could be damaged.

Elektronische Serienschalter enthalten ebenfalls zwei Relais, die aber einzeln oder auch beide gleichzeitig eingeschaltet sein dürfen.Electronic series switches also contain two relays, which may be switched on individually or both at the same time.

Die beiden genannten elektronischen Schalter können zur Vorortbedienung grundsätzlich gleichartige Bedientasten aufweisen, oder auch gleichartige Anschlüsse für eine Fernbedienung von einer Nebenstelle aus.The two mentioned electronic switches can basically have the same type of control buttons for on-site operation, or even similar connections for a remote control from an extension.

Trotz des weitgehend gleichartigen Aufbaues sind - wegen der unterschiedlichen Betriebsweise - Jalousieschalter und Serienschalter als unterschiedliche Produkte handelsüblich.Despite the largely similar structure are - because of the different operation - shutter switch and series switch as different products commercially available.

Aus der EP-A-0827255 ist ein Verfahren zur Durchführung einer Lastdetektion bekannt, wobei während einer Netzhalbwelle die an einer zu detektierenden Last abfallende Spannung sowie der durch die Last fließende Strom bestimmt werden. Aus diesen Werten wird die Last-Impedanz errechnet. Anhand eines Vergleichs der ermittelten Last-Impedanz mit einer Vielzahl vorgegebener Last-Impedanzen erfolgt eine Last-Identifikation.From EP-A-0827255 a method for carrying out a load detection is known, wherein during a mains half-wave the voltage dropping across a load to be detected and the current flowing through the load are determined. From these values, the load impedance is calculated. Based on a comparison of the determined load impedance with a plurality of predetermined load impedances, a load identification takes place.

Der Erfindung liegt die Aufgabe zugrunde, ein Verfahren zur Durchführung einer Lastdetektion bei einem elektronischen Mehrzweckschalter anzugeben, der wahlweise als Serienschalter oder als Jalousieschalter einsetzbar ist.The invention has for its object to provide a method for performing a load detection in a multi-purpose electronic switch, which can be used either as a series switch or as blind switch.

Diese Aufgabe wird erfindungsgemäß gelöst durch ein Verfahren zur Durchführung einer Lastdetektion bei einem elektronischen Mehrzweckschalter, der wahlweise als "Serienschalter" oder als "Jalousieschalter" einsetzbar ist, wobei der Mehrzweckschalter zwei steuerbare Lastschaltglieder, Steuerungsmittel zur Ansteuerung der Lastschaltglieder sowie Mittel zur Orts- und/oder Fernbedienung aufweist und die Steuerungsmittel eine Kombination einer Logikeinheit und einer Auswerteeinheit enthalten und dafür eingerichtet sind, nach Anlegen der Netzspannung eine Lastdetektion durchzuführen und abhängig vom Detektionsergebnis eine Ansteuerung der Lastschaltglieder im "Serienschalterbetrieb" oder "Jalousieschalterbetrieb" freizugeben,

  • wobei in einem ersten Prüfschritt zunächst das erste Lastschaltglied für eine einstellbarer Dauer angesteuert wird,
  • wobei während dieser Dauer geprüft wird, ob am Ausgang des zweiten Lastschaltglieds eine Rückspannung von einem Jalousiemotor anliegt,
  • wobei - falls keine Rückspannung anliegt - anschließend in einem zweiten Prüfschritt das zweite Lastschaltglied während der Dauer angesteuert wird und geprüft wird, ob am Ausgang des ersten Lastschaltglieds eine Rückspannung anliegt,
  • wobei die Betriebsart "Jalousieschalter" gewählt wird, wenn im ersten oder zweiten Prüfschritt eine Rückspannung detektiert wird,
  • und wobei bei jeweils fehlender Rückspannung die Betriebsart "Serienschalter" gewählt wird.
This object is achieved by a method for performing a load detection in a multi-purpose electronic switch that can be used either as a "series switch" or as "blind switch", the multi-purpose switch two controllable load switching elements, control means for controlling the load switching elements and means for location and / or remote control and the control means comprise a combination of a logic unit and an evaluation unit and are adapted to carry out a load detection after application of the mains voltage and release a control of the load switching elements in the "series switch operation" or "shutter switch operation" depending on the detection result
  • wherein in a first test step, first the first load switching element is driven for an adjustable duration,
  • wherein it is checked during this period whether at the output of the second load switching element, a reverse voltage from a shutter motor is applied,
  • wherein - if no return voltage is applied - then in a second test step, the second load switching element is driven during the period and it is checked whether there is a reverse voltage at the output of the first load switching element,
  • wherein the mode "shutter switch" is selected when in the first or second test step, a reverse voltage is detected,
  • and wherein in each case the absence of reverse voltage, the operating mode "series switch" is selected.

Vorteilhafte Ausgestaltungen des erfindungsgemäßen Verfahrens sind in den Unteransprüchen angegeben.Advantageous embodiments of the method according to the invention are specified in the subclaims.

Die Erfindung ermöglicht Rationalisierungen in der Fertigung, in der Lagerhaltung, im Vertrieb und bei der Montage, da der elektronische Mehrzweckschalter dafür eingerichtet ist, selbsttätig zu prüfen, welche Lastart angeschlossen ist, und in Abhängigkeit vom Prüfungsergebnis seine Arbeitsweise selbsttätig einzustellen. Geräteverwechslungen oder Installationsfehler sind dadurch vermieden.The invention enables rationalization in manufacturing, warehousing, distribution and assembly, since the electronic multi-purpose switch is adapted to automatically check which type of load is connected and to automatically adjust its operation depending on the test result. Device confusion or installation errors are thereby avoided.

Eine weitere Beschreibung des erfindungsgemäßen Verfahrens erfolgt nachstehend anhand eines in der Zeichnung dargestellten Ausführungsbeispiels.A further description of the method according to the invention is given below with reference to an embodiment shown in the drawing.

Fig. 1 zeigt einen elektronischen Mehrzweckschalter 1, der eine Schalteinheit 2 mit zwei steuerbaren Lastschaltgliedern 3, 4 aufweist. Die Lastschaltglieder 3, 4 sind in der Zeichnung als Kontakt dargestellt. Sie sind durch Steuerungsmittel 5, 6, nämlich eine Logikeinheit 5 und eine elektronische Auswerteeinheit 6 ansteuerbar. Die Logikeinheit 5 kann beispielsweise eine elektronische Schaltung oder ein Mikroprozessor sein. Als Mittel zur Ortsbedienung ist ein Bedienelement 7 mit Tasten vorhanden. Über Steuerungsanschlüsse 8, 9 ist eine Nebenstelle 10, beispielsweise auch über eine Busverbindung anschließbar. Nebenstelle 10 kann beispielsweise eine Zeitschaltuhr sein. Ein Netzteil 11 ist zur Speisung der Funktionseinheiten 2 bis 7 des elektronischen Mehrzweckschalters 1 vorhanden. Leitungsverbindungen und Wirkrichtungen sind durch Pfeile eingetragen.Fig. 1 shows an electronic multi-purpose switch 1, which has a switching unit 2 with two controllable load switching elements 3, 4. The load switching elements 3, 4 are shown in the drawing as a contact. They are controllable by control means 5, 6, namely a logic unit 5 and an electronic evaluation unit 6. The logic unit 5 may be, for example, an electronic circuit or a microprocessor. As a means of local control, a control element 7 with buttons is present. Via control connections 8, 9 is an extension 10, for example, connected via a bus connection. Extension 10 may be, for example, a timer. A power supply 11 is provided for feeding the functional units 2 to 7 of the electronic multi-purpose switch 1. Cable connections and effective directions are indicated by arrows.

An Lastanschlüsse 12, 13 des elektronischen Mehrzweckschalters 1 sind wahlweise unterschiedliche Lasten 14, 15 anschließbar. Mit 14 ist eine Leuchte mit zwei im Serienschaltbetrieb einschaltbaren Lampen dargestellt. Mit 15 ist ein typischer Jalousiemotor bezeichnet, der einen Kondensator C aufweist.At load terminals 12, 13 of the electronic multi-purpose switch 1 optionally different loads 14, 15 can be connected. With 14 is a lamp with two in series switching operation switchable lamps shown. With 15 a typical blind motor is called, which has a capacitor C.

Bedingt durch den Kondensator C liegt am - vom Lastschaltglied 3 bzw. 4 her - offenen Lastanschluß 13 bzw. 12 eine sogenannte Rückspannung an, wenn eines der Lastschaltglieder 4 oder 3 eingeschaltet ist und beide Endlagenschalter 16, 17 des Jalousiemotors 15 geschlossen sind.Due to the capacitor C is on - from the load switching element 3 or 4 forth - open load terminal 13 and 12, a so-called reverse voltage, when one of the load switching elements 4 or 3 is turned on and both limit switches 16, 17 of the blind motor 15 are closed.

Dieses Verhalten des Jalousiemotors 15 wird im elektronischen Mehrzweckschalter 1 zur Lastdetektion genutzt. Dies kann dadurch erfolgen, daß die Logikeinheit 5 oder die Auswerteeinheit 6 nach Anlegen der Netzspannung eines der Lastschaltglieder für eine Dauer T von etwa einer Sekunde einschaltet, während der ein angeschlossener Jalousiemotor aus seiner Endlage fahren kann, falls die entsprechende Auf- oder Ab-Richtung angesteuert wurde. Wenn sich der Motor aus der Endlage bewegt hat, steht am offenen Anschluß 12 bzw. 13 eine Rückspannung an, die von der Auswerteeinheit 6 detektiert wird. Wird dabei keine Rückspannung detektiert, wird der Prüfvorgang durch Ansteuerung der anderen Bewegungsrichtung wiederholt. Wird im ersten oder zweiten Prüfschritt eine Rückspannung detektiert, so stellt die Auswerteeinheit 6 an der Logikeinheit 5 die Betriebsart Jalousieschalter ein. Diese Betriebsart wird aus Sicherheitsgründen auch dann gewählt, wenn das Prüfergebnis nicht eindeutig sein sollte. Wenn kein Jalousiemotor angeschlossen ist, wird die Betriebsart Serienschalter eingestellt.This behavior of the shutter motor 15 is used in electronic multi-purpose switch 1 for load detection. This can be done by the logic unit 5 or the evaluation unit 6 turns on after applying the mains voltage of one of the load switching elements for a duration T of about one second, during which a connected blind motor can move from its end position, if the corresponding up or down direction was controlled. When the motor has moved out of the end position, there is a return voltage at the open connection 12 or 13, which is detected by the evaluation unit 6. If no reverse voltage is detected, the test procedure is repeated by activating the other direction of movement. If a return voltage is detected in the first or second test step, the evaluation unit 6 sets the operating mode shutter switch on the logic unit 5. For safety reasons, this operating mode is also selected if the test result should not be unique. If no blind motor is connected, the series switch operating mode is set.

Es versteht sich, daß der Mehrzweckschalter auch für den Anschluß von Jalousiemotoren mit anderem Aufbau eingesetzt oder angepaßt werden kann und daß die Prüfprozedur auch entsprechend abgewandelt werden kann.It is understood that the multi-purpose switch can also be used or adapted for the connection of Venetian blind motors with a different structure and that the test procedure can also be modified accordingly.

Claims (4)

  1. A method for performing a load detection in an electronic multi-purpose switch (1) which can be used optionally as a "two-circuit switch" or as a "shutter switch", with the multi-purpose switch (1) comprising two controllable load-switching devices (3, 4), control means (5, 6) for triggering the load-switching devices (3, 4) and means (7, 10) for local and remote control, and the control means (5, 6) contain a combination of a logic unit (5) and an evaluation unit (6) and are configured for the purpose that after the application of a mains voltage a load detection is performed and depending on the result of the detection a triggering of the load-switching devices (3, 4) is released in "two-circuit switch operation" or "shutter switch operation",
    - with the first load-switching device (3) being triggered at first in a first testing step for an adjustable period of time (T);
    - with it being checked during such period of time (T) whether a reverse voltage from a shutter motor (15) is applied to the output of the second load-switching device (4);
    - with thereafter in a second testing step, when no reverse voltage is applied, the second load-switching device (4) is triggered during the time (T) and it is checked whether a reverse voltage is applied to the output of the first load-switching device (3);
    - with the operating mode of "shutter switch" being chosen when in the first or second testing step a reverse voltage is detected;
    - and with the operating mode "two-circuit switch" being chosen in the case of a respective missing reverse voltage.
  2. A method according to claim 1, characterized in that electromechanical relays or semi-conductor switches are used as load-switching devices (3, 4) of the multi-purpose switch (1).
  3. A method according to claim 2, characterized in that a control panel (7) with keys is present for local control.
  4. A method according to claim 2 or 3, characterized in that a subscriber's extension (10) can be connected to the remote control.
EP19990115457 1998-09-04 1999-08-05 Method for performing a load detection in a multiple function electonic switch Expired - Lifetime EP0984475B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE1998140356 DE19840356A1 (en) 1998-09-04 1998-09-04 Multi-purpose electronic switch
DE19840356 1998-09-04

Publications (3)

Publication Number Publication Date
EP0984475A2 EP0984475A2 (en) 2000-03-08
EP0984475A3 EP0984475A3 (en) 2000-11-15
EP0984475B1 true EP0984475B1 (en) 2006-10-04

Family

ID=7879808

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990115457 Expired - Lifetime EP0984475B1 (en) 1998-09-04 1999-08-05 Method for performing a load detection in a multiple function electonic switch

Country Status (2)

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EP (1) EP0984475B1 (en)
DE (2) DE19840356A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202006020764U1 (en) 2006-10-13 2009-12-31 Abb Ag Control device for positioning a blind or a roller shutter

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH598711A5 (en) * 1976-01-16 1978-05-12 Lanz Hermann Ag
ATE177872T1 (en) * 1992-12-02 1999-04-15 Awag Elektrotechnik Ag SWITCH ARRANGEMENT FOR HOME ENGINEERING INSTALLATIONS
DE19616066B4 (en) * 1996-04-23 2006-03-23 Kullik, Günter R. J. Method for controlling electrical consumers
FR2752944B1 (en) * 1996-09-03 1998-10-16 Schneider Electric Sa DEVICE FOR THE PREVENTIVE DETECTION OF DEFECTS WITH RECOGNITION OF THE TYPE OF LOAD
FR2756049B1 (en) * 1996-11-18 1998-12-31 Schneider Electric Sa DEVICE FOR THE PREVENTIVE DETECTION OF FAULTS WITH IDENTIFICATION OF THE TYPE OF LOAD

Also Published As

Publication number Publication date
EP0984475A2 (en) 2000-03-08
DE59913891D1 (en) 2006-11-16
DE19840356A1 (en) 2000-03-09
EP0984475A3 (en) 2000-11-15

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