EP0484833B1 - Time switch device - Google Patents

Time switch device Download PDF

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Publication number
EP0484833B1
EP0484833B1 EP91118673A EP91118673A EP0484833B1 EP 0484833 B1 EP0484833 B1 EP 0484833B1 EP 91118673 A EP91118673 A EP 91118673A EP 91118673 A EP91118673 A EP 91118673A EP 0484833 B1 EP0484833 B1 EP 0484833B1
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Prior art keywords
time
switch
sequence
register
decoding register
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EP91118673A
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German (de)
French (fr)
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EP0484833A3 (en
EP0484833A2 (en
Inventor
Hartmut Meyerhof
Pierre Savary
Daniel Eichler
Bernard Schott
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Diehl Verwaltungs Stiftung
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Diehl GmbH and Co
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    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G19/00Electric power supply circuits specially adapted for use in electronic time-pieces
    • GPHYSICS
    • G04HOROLOGY
    • G04GELECTRONIC TIME-PIECES
    • G04G15/00Time-pieces comprising means to be operated at preselected times or after preselected time intervals

Definitions

  • the generic time switch is described in the article "EPROM-CONTROLLED TIME SWITCH” by J. Vinckier in Elektor Electronics, Volume 15, No. 165, March 1989, London, pages 60/61.
  • the device is designed to be operated on a DC low-voltage network.
  • a battery is provided for bridging the power failure, but this only ensures the continued operation of the time management, not also the memory arranged behind the time decoding register for querying a pair of switch-on and switch-off times for the corresponding control of a connected consumer. Only a single switching point pair can be specified for this, otherwise only the constant switch-on and switch-off are available as operating options.
  • the programming of the switching point assignment is particularly disadvantageous, however, because it has to be carried out relative to the point in time that was specified manually as a time reference as a result of actuation of a synchronization button.
  • this essay there is no display for showing the current programming state; but in view of the interpretation problems with a relative time programming and the completely free choice of densely staggered possible switching times, a user of this device in practice will not be able to do without a visual presentation of the programming process and programming result.
  • WO-A-8501364 describes a generic time switch device which, because of its operation with a lithium battery, has a self-sufficient long-term operating behavior and, moreover, is characterized by teaching in manually triggered switching processes in real-time operation, in order to then - upon manual start or because of a longer interruption of manual entries - repeated cyclically in the appropriate switching sequence at the correct time.
  • the digital display is at risk of malfunction, particularly under harsh environmental conditions, such as when the device is used in a boiler room or in a workshop, since the sensitive electromechanical connections between the display decoding circuit and the digital display are interrupted by vibrations, temperature influences or foreign matter deposits or other malfunctions.
  • the manufacturing outlay for training is also a Display decoding and for the electro-optical display including its assembly and the effort for installation and wiring of the electromechanical switches in the front wall of a control device, which often has to be movable for service access as a door, very high compared to the value of the actual electronic clock - And counting circuits for obtaining times that can be queried for switching processes.
  • the invention is based on the object of designing a time switch of the generic type in such a way that it saves on operation, particularly for the layperson, for operation within the scope of the everyday requirements, while saving on manufacturing outlay and reducing malfunction-prone functional components.
  • the basic idea of the solution according to the invention is therefore based on the consideration of dispensing with any effort for an operator-side time adjustment of the switching device if its internal clock in the form of the time-operated clock generator with delivery from the production side is already running correctly and continues to run without interruption regardless of the storage or installation status over the entire period of anticipated operational readiness.
  • This can be achieved by autonomous operation using a long-term battery, such as a lithium battery available on the market, which can optionally be buffered from a network as a power reserve during normal operation of the timer.
  • a long-term battery such as a lithium battery available on the market
  • an optical time display of the constantly correct internal clock of the switching device is no longer necessary, a complex electro-optical presentation of current or changeable switching programs can also be dispensed with. If an electro-optical display is nevertheless present, it can of course also be used, for example, to display times, switching positions and / or current measured values; it is crucial that the effort for user intervention in the course of time is eliminated. Only a relatively small number of time switch programs, which are predefined in line with the real requirements in practice, must be made available; simple light signals are sufficient for the current status display. A switch can be selected between these predefined follow-up programs, which can be grouped for easy orientation with a conventional symbolic representation of the on and off switching points or switching times given in the selected switching program.
  • a time switch is created that, with minimal circuitry and operating effort, provides an optimally application-oriented function with regard to operational readiness and the choice between predefined switching programs with constant, timely operational readiness, for example to switch the operating point of heating or cooling units or such units to be used in time-dependent start-stop operation.
  • any other can also be used in addition to the temperature control Electrically switchable consumers are operated, such as for arming terrain or building monitoring and security devices depending on the time of day, or for operating lighting systems depending on the time of day.
  • the timer 31 shown has in the usual way an internally self-sufficient, preferably quartz-stabilized, clock generator 33 operated from a network 30 or from a buffer battery 32 as a time-keeping circuit.
  • This delivers counting pulses 34 with a fixed repetition frequency to a decoding register 35, which can be designed in the usual way as a series connection of counting stages or, with a suitable input pulse frequency, directly as a shift register.
  • the individual register outputs 36 switch at a respective assigned one Number of input counts 34 temporarily to a defined signal level (such as high signal). Certain outputs 36 are wired for level interrogation and are routed to their own program switch 37.
  • Using its handle 38 a manual selection between the different, predetermined switching point sequences is possible in order to supply corresponding control signals 39, for example, to the load controller 40 of a device 41 fed from the stationary power grid 30.
  • the battery 32 for timed operation of the switching device 31 is dimensioned for long-term supply in the order of at least 10 years, for which purpose a commercially available lithium battery 32 is preferably used.
  • the switching device 31 is started by the manufacturer after the manufacturing and functional final check by inserting this long-term battery 32.
  • register 35 is e.g. Via an adjustment input 42 that is externally accessible in the course of the output test, set to the currently given point in time, for example by feeding in a higher-frequency sequence of correction pulses 43 for counting up the register 35 from its production-related zero position to the currently given point in time.
  • a synchronizing switch 48 can also be provided, which, operated about once every few years by the operating service at a specific hour of the day (around 9:00 a.m.), adjusts the time-dependent switching sequence control to this predefined daily time value by a simple keystroke, to make it less expensive To be able to use timed clocks 33, which could otherwise lead to too great a time deviation over the years.
  • a calendar 45 downstream of the daily carry 44 of the register 35 in the manner of a programmed read memory can be used for this be provided to output change information 46 at the respectively applicable time in order to take into account the respective time shift of the summer-winter time change in the current register position.
  • Such change information 46 can consist, for example, in the output of correction pulses 43 for advancing register 35 by one hour or by 23 hours in order to take the time shift into account in the daily or weekly cycle of the switching sequences. This ensures that the register outputs 36 can always be tapped over the normal operating time of such a switching device 31 without the need for any operator intervention.
  • the manually operable program switch 37 is provided for the selection of differently specified switching sequence sequences.
  • its control signal transmitters 47 are set (I) or reset (O) at certain points in time or continuously on signal output.
  • the control signal transmitter 47 is set from 6 a.m. to 9 p.m. in the uppermost switch position (e.g. to be selected from Sunday to Thursday), but from 8 a.m. to 11 p.m. for Fridays and Saturdays in the next lower switch position.
  • the control signal 39 (for example high pontential again) is output via the changeover switch 37.
  • an additional decoding query of the daily transmissions 44 can also be used to switch the switching positions on a weekly basis.
  • the control signal 39 which appears as a function of time and switch position, causes the load control 40, for example a contactor, to switch on and off or switch over the operation of the consumer 41.
  • This is, for example, a fluid circulation unit for ventilation or Tempering objects or rooms.
  • the so-called consumer 41 here can also be a thermostat that switches on by means of the control signal 39 different target temperatures is set.
  • the function of the switch 37 can be used, for example, to let the room temperature drop lower on Fridays and Saturdays later (at 11 p.m.) than after the weekend (Sundays to Thursdays at 9 p.m.); while, for example, an additional daily carry-out query of the time decoding register 35 by means of the control signal generator 47 can trigger a later temperature rise on Fridays and Saturdays than on the other days of the week. If the specified time switching points are currently unsatisfactory, the time-dependent control can be replaced by selecting one of the two switching positions shown below.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Electric Clocks (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Safety Devices In Control Systems (AREA)
  • Keying Circuit Devices (AREA)
  • Magnetically Actuated Valves (AREA)
  • Lock And Its Accessories (AREA)

Abstract

A time switch device (31) for a sequence of control signals (39) to be transmitted as a function of time, for example for the time-dependent variation of command variables in control engineering or for directly switching operating or checking devices on or off as a function of time, is intended to be capable of easier control by an operator while being designed for greater ease of production. For these purposes, the ability for the time-locking circuit to be influenced manually by the user or for it to be decoded by interrogation is completely abandoned, and instead the time switch device (31) is fitted from the outset in the factory with a lithium battery (32), which is typically designed with a lifetime of at least ten years, and taken into operation such that it cannot be switched off. This time switch device (31) therefore already runs correctly when commissioned without the need for the operator to intervene in its functioning. All that remains necessary manually is to select between a number of prescribed switchover time sequences by means of a program changeover switch (37), for which purpose there is also no need for any user guidance on the display, which means that it is also possible to abandon a (time) display, including the functionally critical multiple connections to display/control circuits, which are complicated in terms of circuitry, and likewise to abandon the setting switch wiring that is otherwise required for intervention in the time-dependent switching sequence. <IMAGE>

Description

Das gattungsgemäße Zeitschaltgerät ist in dem Beitrag "EPROM-CONTROLLED TIME SWITCH" von J. Vinckier in Elektor Electronics, Band 15, Nr. 165, März 1989, London, Seiten 60/61, beschrieben. Das Gerät ist dafür ausgelegt, an einem Gleichspannungs-Niederspannungsnetz betrieben zu werden. Zur Netzausfall-Überbrückung ist eine Batterie vorgesehen, mit der aber nur der weitere Betrieb der Zeithaltung gewährleistet wird, nicht auch des hinter dem Zeit-Dekodierregister angeordneten Speichers für die Abfrage eines Einschalt- und Ausschalt-Zeitpunktpaares zur entsprechenden Steuerung eines angeschlossenen Verbrauchers. Für diesen kann auch nur ein einziges Schaltpunktpaar vorgegeben werden, im übrigen steht nur die ständige Einschaltung und die ständige Ausschaltung als Betriebsmöglichkeit zur Verfügung. Besonders nachteilig aber ist die Programmierung der Schaltpunkt-Zuordnung, weil die relativ zu demjenigen Zeitpunkt erfolgen muß, der manuell als Zeitreferenz infolge Betätigung eines Synchronisiertasters vorgegeben wurde. Zwar ist in diesem Aufsatz kein Display zur Anzeige des momentanen Programmierzustandes vorgesehen; aber angesichts der Interpretationsprobleme bei einer relativen Zeitprogrammierung und der völlig freizügigen Auswahl dicht gestaffelter möglicher Schaltzeitpunkte wird ein Nutzer dieses Gerätes in der Praxis nicht auf eine visuelle Darbietung des Programmiervorganges und Programmierergebnisses verzichten können.The generic time switch is described in the article "EPROM-CONTROLLED TIME SWITCH" by J. Vinckier in Elektor Electronics, Volume 15, No. 165, March 1989, London, pages 60/61. The device is designed to be operated on a DC low-voltage network. A battery is provided for bridging the power failure, but this only ensures the continued operation of the time management, not also the memory arranged behind the time decoding register for querying a pair of switch-on and switch-off times for the corresponding control of a connected consumer. Only a single switching point pair can be specified for this, otherwise only the constant switch-on and switch-off are available as operating options. The programming of the switching point assignment is particularly disadvantageous, however, because it has to be carried out relative to the point in time that was specified manually as a time reference as a result of actuation of a synchronization button. In this essay there is no display for showing the current programming state; but in view of the interpretation problems with a relative time programming and the completely free choice of densely staggered possible switching times, a user of this device in practice will not be able to do without a visual presentation of the programming process and programming result.

Bei einem gattungsähnlichen Zeitschaltgerät, welches aus der US-A 4,857,759 bekannt ist, kann das dort in einem Mikroprozessors realisierte Zeit-Dekodierregister extern über einen Bus auf einen beliebigen aktuellen Zeitpunkt gesetzt werden. Auf die Frage, welche Programmier-Freizügigkeit für den Nutzer optimal ist, wird dort nicht eingegangen.
In der WO-A-8501364 ist ein gattungsähnliches Zeitschaltgerät beschrieben, das wegen Betriebs mit einer Lithiumbatterie ein autarkes Langzeit-Betriebsverhalten aufweist und im übrigen dadurch geprägt ist, im Realzeitbetrieb manuell ausgelöste Schaltvorgänge einzulernen, um sie danach - auf einen manuellen Start hin oder aufgrund einer längeren Unterbrechung manueller Eingaben - in entsprechender Schaltfolge zyklisch zeitrichtig zu wiederholen. Für die praktische Anwendung problematisch ist hier allerdings, daß der Benutzer überhaupt keine Information über das aktuell wirksame Schaltprogramm erfährt, weil dieses allein von den zurückliegenden Betätigungen abhängt, die selbst dem Bediener schon nach kurzer Zeit nicht mehr präzise im Gedächtnis sein werden und für außenstehende Dritte gar nicht bekannt sind.
In the case of a timer switch of the generic type, which is known from US Pat. No. 4,857,759, the time decoding register implemented there in a microprocessor can be set externally via a bus to any current time. When asked which freedom of programming is optimal for the user is not received there.
WO-A-8501364 describes a generic time switch device which, because of its operation with a lithium battery, has a self-sufficient long-term operating behavior and, moreover, is characterized by teaching in manually triggered switching processes in real-time operation, in order to then - upon manual start or because of a longer interruption of manual entries - repeated cyclically in the appropriate switching sequence at the correct time. For practical use, however, it is problematic here that the user does not get any information at all about the currently effective switching program, because this depends solely on the previous actuations, which even the operator will no longer remember precisely after a short time, and for outside third parties are not known at all.

Üblicherweise werden bei Zeitschaltgeräten diese Informationen deshalb über ein Digitaldisplay vermittelt (vgl. EP-A 0 254 525 oder EP-A 0 339 373). Diese Displays dienen somit als visuelle Benutzerführung für die Vorgabe bestimmter Schaltvorgänge, aber auch als Einstellhilfe für die Korrektur der internen Uhrzeit des Zeitschaltgerätes. In der Praxis hat sich jedoch gezeigt, daß trotz der visuellen Hilfsmittel nicht nur für den technischen Laien die Bedienung derartiger Geräte äußerst schwierig und deshalb fehleranfällig, ja sogar abschreckend ist. Deshalb wird das theoretisch mögliche Spektrum aller Betriebs- und Umschaltmöglichkeiten beim praktischen Einsatz solcher Geräte nie ausgenutzt. Es kommt hinzu, daß insbesondere unter rauhen Umweltgegebenheiten, wie etwa bei Einsatz des Gerätes in einem Heizungskeller oder in einem Werkraum, das Digitaldisplay störgefährdet ist, da die empfindlichen elektromechanischen Verbindungen zwischen der Anzeige-Dekodierschaltung und dem Digitaldisplay durch Erschütterungen, Temperatureinflüsse oder Fremdstoffablagerungen zu Unterbrechungen oder sonstigen Fehlfunktionen neigen. Auch ist der herstellungstechnische Aufwand für die Ausbildung einer Anzeige-Dekodierung und für das elektrooptische Display einschließlich seiner Montage und der Aufwand für Einbau und Verdrahtungsanschluß der elektromechanischen Schalter in der Frontwand einer Steuerungseinrichtung, die häufig für den Service-Zugang als Tür beweglich sein muß, sehr hoch im Vergleich zum Wert der eigentlichen elektronischen Takt- und Zählschaltungen zur Gewinnung von für Umschaltvorgänge abfragbaren Zeitpunkten. Ein gewisser weiterer Mangel am Markt befindlicher Geräte gattungsgemäßer Art ist unter Umständen darin zu sehen, daß diese zwar dafür ausgelegt sind, bei Netzausfall über Betrieb mit einer eingebauten Pufferbatterie eine Gangreserve aufzuweisen, daß aber ohne relativ aufwendige Zusatzschaltungen zur Betriebsbereitschaftsvorsorge der Überbrückungsbatterie diese häufig nicht funktionsbereit ist, wenn nach mehreren Jahren einmal ein Netzausfall stattfindet und deshalb auf die Reservebatterie zurückgegriffen werden soll. Ein reiner herkömmlicher Batteriebetrieb andererseits erfordert relativ häufigen Batterieaustausch, in der Regel mit der Notwendigkeit einer manuellen Neujustage der aktuellen Zeitanzeige, durch die der Bediener oft schon wieder überfordert ist.In the case of time switches, this information is therefore usually conveyed via a digital display (cf. EP-A 0 254 525 or EP-A 0 339 373). These displays thus serve as a visual user guide for specifying certain switching processes, but also as an adjustment aid for correcting the internal time of the time switch. In practice, however, it has been shown that, despite the visual aids, the operation of such devices is extremely difficult and not only for the technical layperson, and is therefore prone to errors and even deterrent. For this reason, the theoretically possible range of all operating and switching options is never used in the practical use of such devices. In addition, the digital display is at risk of malfunction, particularly under harsh environmental conditions, such as when the device is used in a boiler room or in a workshop, since the sensitive electromechanical connections between the display decoding circuit and the digital display are interrupted by vibrations, temperature influences or foreign matter deposits or other malfunctions. The manufacturing outlay for training is also a Display decoding and for the electro-optical display including its assembly and the effort for installation and wiring of the electromechanical switches in the front wall of a control device, which often has to be movable for service access as a door, very high compared to the value of the actual electronic clock - And counting circuits for obtaining times that can be queried for switching processes. A certain further shortcoming of devices of the generic type on the market can be seen in the fact that they are designed to have a power reserve in the event of a power failure via operation with a built-in backup battery, but that these are often not functional without relatively complex additional circuits for the operational readiness of the bypass battery is when there is a power failure after several years and the backup battery should therefore be used. Purely conventional battery operation, on the other hand, requires relatively frequent battery replacement, usually with the need for manual readjustment of the current time display, which often overwhelms the operator again.

In Erkenntnis dieser Gegebenheiten liegt der Erfindung die Aufgabe zugrunde, ein Zeitschaltgerät gattungsgemäßer Art derart auszulegen, daß es bei Einsparung an herstellungstechnischem Aufwand und bei Reduzierung störanfälliger Funktionskomponenten eine insbesondere auch für den Laien problemlose Bedienung für einen Betrieb im Rahmen der alltäglich vorkommenden Anforderungen eröffnet.In recognition of these circumstances, the invention is based on the object of designing a time switch of the generic type in such a way that it saves on operation, particularly for the layperson, for operation within the scope of the everyday requirements, while saving on manufacturing outlay and reducing malfunction-prone functional components.

Diese Aufgabe ist erfindungsgemäß im wesentlichen dadurch gelöst, daß das gattungsgemäße Zeitschaltgerät gemäß dem Kennzeichnungsteil des Anspruches 1 ausgelegt ist.This object is essentially achieved in that the generic time switch is designed according to the characterizing part of claim 1.

Der Grundgedanke der erfindungsgemäßen Lösung beruht somit auf der Überlegung, jeglichen Aufwand für eine bedienerseitige Zeitjustage des Schaltgerätes zu erübrigen, wenn seine interne Uhr in Form des zeithaltend betriebenen Taktgebers mit der fertigungsseitigen Auslieferung bereits korrekt läuft und unabhängig vom Lager- oder Einbau-Zustand über die gesamte Zeitspanne der abzusehenden Betriebsbereitschaft unterbrechungsfrei zeitrichtig weiterläuft. Das ist durch autonomen Betrieb mittels einer Langzeit-Batterie wie etwa einer am Markt verfügbaren Lithium-Batterie erzielbar, die gegebenenfalls als Gangreserve bei Normalbetrieb des Zeitschaltgerätes aus einem Netz gepuffert sein kann. Damit erübrigt sich jeglicher Aufwand für die manuelle, gegebenenfalls visuell gestützte Ansteuerung des Dekodierregisters über Einstellschalter, gegebenenfalls einschließlich des Aufwands für die bisher übliche visuelle Benutzerführung zur manuellen Zeitjustage. Da nun eine optische Zeitanzeige der ständig richtiglaufenden internen Uhr des Schaltgerätes nicht mehr notwendig ist, kann auch auf eine komplexe elektrooptische Darbietung aktueller bzw. veränderbarer Schaltprogramme verzichtet werden. Sollte dennoch ein elektrooptisches Display vorhanden sein, kann es natürlich auch z.B. zur Anzeige von Zeitpunkten, Schaltstellungen und/oder aktuellen Meßwerten herangezogen werden; entscheidend ist, daß der Aufwand für Benutzereingriffe in den Zeitablauf entfällt. Nur eine relativ geringe, an den realen Erfordernissen der Praxis orientierte Anzahl von tageszyklisch oder wochenzyklisch fest vorgegebenen Zeitschaltprogrammen müssen zur Verfügung gestellt sein, für die aktuelle Zustandsanzeige genügen einfache Leuchtsignale. Zwischen diesen vorgegebenen Folgeprogrammen kann mittels eines Umschalters ausgewählt werden, der zur einfachen Orientierung mit einer üblichen symbolischen Darstellung der im ausgewählten Schaltprogramm gegebenen Ein- und Aus-Schaltpunkte bzw. Schaltzeiten gruppiert sein kann.The basic idea of the solution according to the invention is therefore based on the consideration of dispensing with any effort for an operator-side time adjustment of the switching device if its internal clock in the form of the time-operated clock generator with delivery from the production side is already running correctly and continues to run without interruption regardless of the storage or installation status over the entire period of anticipated operational readiness. This can be achieved by autonomous operation using a long-term battery, such as a lithium battery available on the market, which can optionally be buffered from a network as a power reserve during normal operation of the timer. This eliminates any effort for the manual, possibly visually supported control of the decoding register via setting switches, possibly including the effort for the previously common visual user guidance for manual time adjustment. Since an optical time display of the constantly correct internal clock of the switching device is no longer necessary, a complex electro-optical presentation of current or changeable switching programs can also be dispensed with. If an electro-optical display is nevertheless present, it can of course also be used, for example, to display times, switching positions and / or current measured values; it is crucial that the effort for user intervention in the course of time is eliminated. Only a relatively small number of time switch programs, which are predefined in line with the real requirements in practice, must be made available; simple light signals are sufficient for the current status display. A switch can be selected between these predefined follow-up programs, which can be grouped for easy orientation with a conventional symbolic representation of the on and off switching points or switching times given in the selected switching program.

So ist ein Zeitschaltgerät geschaffen, das mit minimalem schaltungstechnischem und bedienungstechnischem Aufwand eine hinsichtlich der Betriebsbereitschaft und der Auswahl zwischen vorgegebenen Schaltprogrammen anwendungsorientiert-optimale Funktion mit ständiger zeitrichtiger Betriebsbereitschaft liefert, um beispielsweise den Arbeitspunkt von Heiz- oder von Kühl-Aggregaten umzuschalten bzw. derartige Aggregate im zeitabhängigen Start-Stopp-Betrieb einzusetzen. Von der in der jeweiligen Umschalter-Programmauswahlstellung gelieferten zeitabhängigen Folge von Einschalt- und Ausschalt-Steuersignalen kann über die Temperatursteuerung hinaus auch jeder sonstige elektrisch schaltbare Verbraucher betrieben werden, wie etwa zur tageszeitabhängigen Scharfschaltung von Gelände- oder Gebäude-Überwachungs- und Sicherungseinrichtungen oder zum tageszeitabhängigen Betrieb von Beleuchtungsanlagen.In this way, a time switch is created that, with minimal circuitry and operating effort, provides an optimally application-oriented function with regard to operational readiness and the choice between predefined switching programs with constant, timely operational readiness, for example to switch the operating point of heating or cooling units or such units to be used in time-dependent start-stop operation. From the time-dependent sequence of switch-on and switch-off control signals delivered in the respective switch program selection position, any other can also be used in addition to the temperature control Electrically switchable consumers are operated, such as for arming terrain or building monitoring and security devices depending on the time of day, or for operating lighting systems depending on the time of day.

Wenn man für bestimmte Wochentage wie etwa am Wochenende zeitlich abweichende Schaltfolgen wünscht, braucht nur bei der Programmauswahl eine weitere Umschaltstellung mit entsprechend geänderter Abfrage des Zeitdekodierregisters vorgesehen zu werden. Sommer-Winter-Zeitumstellungen innerhalb des fest vorgegebenen Wochentags-Schaltzyklus können intern über einen als ewiger Kalender programmierten Lesespeicher sichergestellt werden, der zum vorgegebenen fraglichen Zeitpunkt nach Maßgabe der einstündigen Zeitverschiebung in die Ansteuerung oder in die Auswertung des Dekodierregisters eingreift. Für nicht tägliche oder wöchentliche, sondern kalendarische Schaltfolgezyklen ist der Kalendariumsspeicher entsprechend umfangreicher vorzugeben.If you want switching sequences that deviate in time for certain days of the week, such as at the weekend, you only need to make another switchover when selecting the program, with the query for the time decoding register changed accordingly. Summer-winter time changes within the predefined weekday switching cycle can be ensured internally via a read-only memory programmed as a perpetual calendar, which intervenes in the control or in the evaluation of the decoding register at the specified time in accordance with the one-hour time difference. The calendar memory must be specified accordingly for calendar switching sequence cycles that are not daily or weekly.

Zusätzliche Alternativen und Weiterbildungen sowie weitere Merkmale und Vorteile der Erfindung ergeben sich, auch unter Berücksichtigung der Darlegungen in der Zusammenfassung, aus nachstehender Beschreibung eines in der Zeichnung unter Beschränkung auf das Wesentliche stark abstrahiert skizzierten bevorzugten schaltungstechnischen Realisierungsbeispiels zur erfindungsgemäßen Lösung. Die einzige Figur der Zeichnung veranschaulicht nach Art eines Blockschaltbildes die Funktion des extrem preiswerten da stark vereinfachten Schaltgerätes nach vorliegender Erfindung.Additional alternatives and further developments, as well as further features and advantages of the invention, also taking into account the explanations in the summary, result from the following description of a preferred circuit-technical implementation example for the solution according to the invention, which is sketched in a highly abstract manner and limited to the essentials. The single figure of the drawing illustrates in the manner of a block diagram the function of the extremely inexpensive since greatly simplified switching device according to the present invention.

Das dargestellte Zeitschaltgerät 31 weist in üblicher Weise einen intern autark aus einem Netz 30 oder aus einer Puffer-Batterie 32 betriebenen, vorzugsweise quartzstabilisierten, Taktgeber 33 als zeithaltende Schaltung auf. Diese liefert mit fester Folgefrequenz Zählimpulse 34 an ein Dekodierregister 35, das in üblicher Weise als Serienschaltung von Zählstufen oder, bei geeigneter Eingangsimpulsfrequenz, unmittelbar als Schieberegister ausgelegt sein kann. Die einzelnen Registerausgänge 36 schalten bei einer jeweils zugeordneten Anzahl von Eingangs-Zählimpulsen 34 vorübergehend auf einen definierten Signalpegel (etwa auf High-Signal) um. Bestimmte Ausgänge 36 sind zur Pegel-Abfrage verdrahtet und auf eigen Programm-Umschalter 37 geführt. Mittels dessen Handhabe 38 ist eine manuelle Auswahl zwischen den unterschiedlichen, fest vorgegebenen Schaltpunktfolgen möglich, um entsprechende Steuersignale 39 beispielsweise an die Laststeuerung 40 eines aus dem stationären Starkstromnetz 30 gespeisten Gerätes 41 zu liefern.The timer 31 shown has in the usual way an internally self-sufficient, preferably quartz-stabilized, clock generator 33 operated from a network 30 or from a buffer battery 32 as a time-keeping circuit. This delivers counting pulses 34 with a fixed repetition frequency to a decoding register 35, which can be designed in the usual way as a series connection of counting stages or, with a suitable input pulse frequency, directly as a shift register. The individual register outputs 36 switch at a respective assigned one Number of input counts 34 temporarily to a defined signal level (such as high signal). Certain outputs 36 are wired for level interrogation and are routed to their own program switch 37. Using its handle 38, a manual selection between the different, predetermined switching point sequences is possible in order to supply corresponding control signals 39, for example, to the load controller 40 of a device 41 fed from the stationary power grid 30.

Die Batterie 32 zum zeithaltenden Betrieb des Schaltgerätes 31 ist für Langzeit-Versorgung in der Größenordnung von mindestens 10 Jahren dimensioniert, wofür vorzugsweise eine handelsübliche Lithium-Batterie 32 Einsatz findet. Das Schaltgerät 31 wird herstellerseitig nach der Fertigungs- und Funktions-Schlußkontrolle durch Einsetzen dieser Langzeit-Batterie 32 gestartet. Daraufhin wird das Register 35 z.B. über einen im Zuge der Ausgangsprüfung extern zugänglichen Justiereingang 42 auf den aktuell gegebenen Zeitpunkt gesetzt, beispielsweise durch Einspeisen einer höherfrequenten Folge von Korrekturimpulsen 43 zum Hochzählen des Registers 35 aus seiner fertigungsbedingten Nullstellung bis auf den aktuell gegebenen Zeitpunkt. Von nun an läuft die Zeithaltung im Schaltgerät 31 autark und ohne irgendwelche externen Einflußerfordernisse zeitrichtig weiter, so lange die Kapazität der Langzeitbatterie 32 noch nicht erschöpft ist, auf die mittels einer Steuerschaltung 29 zum Pufferbetrieb umgeschaltet ist, solange das Zeitschaltgerät nicht aus einem Netz 30 betrieben wird. Jedoch kann auch ein Synchronisierschalter 48 vorgesehen sein, der, etwa alle paar Jahre einmal vom Betriebsservice zu einer bestimmten Stunde des Tages (etwa 9.00 Uhr) betätigt, durch einfachen Tastendruck die zeitabhängige Schaltfolgensteuerung auf diesem vorgegebenen Tages-Zeitwert justiert, um auch preiswerte, weniger zeitgenau arbeitende Taktgeber 33 einsetzen zu können, die sonst im Laufe der Jahre zu einer zu großen Zeitabweichung führen könnten.The battery 32 for timed operation of the switching device 31 is dimensioned for long-term supply in the order of at least 10 years, for which purpose a commercially available lithium battery 32 is preferably used. The switching device 31 is started by the manufacturer after the manufacturing and functional final check by inserting this long-term battery 32. Then register 35 is e.g. Via an adjustment input 42 that is externally accessible in the course of the output test, set to the currently given point in time, for example by feeding in a higher-frequency sequence of correction pulses 43 for counting up the register 35 from its production-related zero position to the currently given point in time. From now on, the timing in the switching device 31 continues autonomously and without any external influence requirements, as long as the capacity of the long-term battery 32 has not yet been exhausted, to which the control circuit 29 switches to buffer operation as long as the timing device is not operated from a network 30 becomes. However, a synchronizing switch 48 can also be provided, which, operated about once every few years by the operating service at a specific hour of the day (around 9:00 a.m.), adjusts the time-dependent switching sequence control to this predefined daily time value by a simple keystroke, to make it less expensive To be able to use timed clocks 33, which could otherwise lead to too great a time deviation over the years.

Ein dem Tages-Übertrag 44 des Registers 35 nachgeschaltetes Kalendarium 45 nach Art eines programmierten Lesespeichers kann dafür vorgesehen sein, zum jeweils zutreffenden Zeitpunkt eine Wechselinformation 46 auszugeben, um in der aktuellen Registerstellung die jeweilige Zeitverschiebung des Sommer-Winter-Zeitwechsels zu berücksichtigen. Eine solche Wechselinformation 46 kann etwa in der Ausgabe von Korrekturimpulsen 43 für die Weiterschaltung des Registers 35 um eine Stunde oder um 23 Stunden bestehen, um im täglichen oder wöchentlichen Zyklus der Schaltfolgen die Zeitverschiebung zu berücksichtigen. So ist sichergestellt, daß die Register-Ausgänge 36 über die normale Funktionszeitspanne eines derartigen Schaltgerätes 31 ohne das Erfordernis irgendwelcher nutzerseitiger Bedienungs-Eingriffe stets die aktuell gegebene Zeit abgreifen lassen.A calendar 45 downstream of the daily carry 44 of the register 35 in the manner of a programmed read memory can be used for this be provided to output change information 46 at the respectively applicable time in order to take into account the respective time shift of the summer-winter time change in the current register position. Such change information 46 can consist, for example, in the output of correction pulses 43 for advancing register 35 by one hour or by 23 hours in order to take the time shift into account in the daily or weekly cycle of the switching sequences. This ensures that the register outputs 36 can always be tapped over the normal operating time of such a switching device 31 without the need for any operator intervention.

Die einzige bedienerseitige Eingriffsmöglichkeit, der manuell betätigbare Programmumschalter 37, ist für Auswahl unterschiedlich vorgegebener Schaltfolge-Sequenzen vorgesehen. Im dargestellten Beispielsfalle werden seine Steuersignalgeber 47 zu bestimmten Zeitpunkten oder dauernd auf Signalausgabe gesetzt (I) bzw. rückgesetzt (O). So ist der Steuersignalgeber 47 in der dargestellten obersten (z.B. sonntags bis donnerstags anzuwählenden) Schaltstellung von 6 Uhr bis 21 Uhr, aber für freitags und samstags in der nächstniedrigeren Schaltstellung dagegen von 8 Uhr bis 23 Uhr gesetzt. In der dritten Schaltstellung ist er ständig und in der untersten Schaltstellung nie gesetzt. Im gesetzten Zustand wird über den Umschalter 37 das Steuersignal 39 (beispielsweise wieder High-Pontential) ausgegeben. Statt des dargestellten täglichen Steuerzyklus kann aber über zusätzliche Dekodierabfrage der Tages-Überträge 44 auch eine wochentägliche Schaltstellungskodierung erfolgen.The only intervention possibility on the operator side, the manually operable program switch 37, is provided for the selection of differently specified switching sequence sequences. In the example shown, its control signal transmitters 47 are set (I) or reset (O) at certain points in time or continuously on signal output. For example, the control signal transmitter 47 is set from 6 a.m. to 9 p.m. in the uppermost switch position (e.g. to be selected from Sunday to Thursday), but from 8 a.m. to 11 p.m. for Fridays and Saturdays in the next lower switch position. In the third switch position, it is always set and never in the lowest switch position. In the set state, the control signal 39 (for example high pontential again) is output via the changeover switch 37. Instead of the daily control cycle shown, an additional decoding query of the daily transmissions 44 can also be used to switch the switching positions on a weekly basis.

Das zeit- und schalterstellungsabhängig erscheinende Steuersignal 39 bewirkt über die Laststeuerung 40, z.B. ein Schütz, das Ein- und Aus-Schalten bzw. das Umschalten des Betriebes des Verbrauchers 41. Bei diesem handelt es sich beispielsweise um ein Fluid-Umwälzaggregat zum Lüften bzw. Temperieren von Gegenständen oder Räumen. Beim hier sogenannten Verbraucher 41 kann es sich aber auch um einen Thermostaten handeln, der mittels des Steuersignales 39 auf unterschiedliche Solltemperaturen eingestellt wird. In diesem Falle kann die Funktion des Umschalters 37 dafür dienen, z.B. eine Raumtemperatur-Nachtabsenkung freitags und samstags erst später (um 23 Uhr) einsetzen zu lassen, als nach dem Wochenende (sonntags bis donnerstags schon um 21 Uhr); während z.B. eine zusätzliche Tagesübertrags-Abfrage des Zeitdekodierregisters 35 mittels der Steuersignalgeber 47 wochenzyklisch freitags und samstags eine spätere Temperaturanhebung als an den übrigen Tagen der Woche auslösen läßt. Wenn die vorgegebenen Zeitschaltpunkte aktuell nicht befriedigen, dann kann die zeitabhängige Steuerung durch Auswahl einer der beiden unteren dargestellten Umschaltstellungen ersetzt werden.The control signal 39, which appears as a function of time and switch position, causes the load control 40, for example a contactor, to switch on and off or switch over the operation of the consumer 41. This is, for example, a fluid circulation unit for ventilation or Tempering objects or rooms. However, the so-called consumer 41 here can also be a thermostat that switches on by means of the control signal 39 different target temperatures is set. In this case, the function of the switch 37 can be used, for example, to let the room temperature drop lower on Fridays and Saturdays later (at 11 p.m.) than after the weekend (Sundays to Thursdays at 9 p.m.); while, for example, an additional daily carry-out query of the time decoding register 35 by means of the control signal generator 47 can trigger a later temperature rise on Fridays and Saturdays than on the other days of the week. If the specified time switching points are currently unsatisfactory, the time-dependent control can be replaced by selecting one of the two switching positions shown below.

So ist eine einerseits stets zeitrichtig arbeitende und andererseits doch denkbar einfach bedienbare Zeitsteuerung mit Auswahl zwischen unterschiedlichen vorgegebenen täglichen oder wöchentlichen Schaltfolgeprogrammen möglich, ohne daß es des apparativen Aufwandes einer Dekodiersteuerung für eine visuelle digitale Zeitanzeige mit der störanfälligen Vielfachverdrahtung zum Dekodierregister 35 und zu Einstellschaltern bedarf; denn abgesehen von der feststehenden Information über die Ein- und Aus-Schaltpunkte in der jeweiligen Programm-Stellung bedarf es für den Anwender dieses Gerätes 31 keinerlei visueller Darbietungen zur Benutzerführung für irgendwelche Umschalt- oder Justagevorgänge.Thus, on the one hand, a time control that always works in the correct time and, on the other hand, is extremely easy to use, with a choice between different predetermined daily or weekly switching sequence programs, is possible without the expense of the equipment of a decoding control for a visual digital time display with the fault-prone multiple wiring to the decoding register 35 and to setting switches; because apart from the fixed information about the on and off switching points in the respective program position, the user of this device 31 does not need any visual presentations for user guidance for any switching or adjustment processes.

Claims (8)

  1. Time switch (31) with battery-operated time-keeping clock-pulse generator (33) for a time decoding register (35), from which, via a manually operable change-over switch (37), specific time outputs (36) can be interrogated for the delivery of control signals (39) - which occur dependent on time - to a consumer (41),
    characterized in that
    the time switch (31) is provided on the production side with a long-life battery (32), set in operation, permanently set for a sequence of recurring switch-on and associated switch-off times and adjusted to the current time, whereupon on the operator side, via the change-over switch (37), a sequence can be selected from a plurality of different, permanently predetermined switch-on/switch-off time sequences and the consequently scanned sequence from two decoding register outputs (36) is routed successively to the set input and to the reset input of a control signal generator (47) for the connected consumer (41).
  2. Time switch according to Claim 1,
    characterized in that
    its long-life battery (32) is a lithium battery (32) designed for a typical operating time of approximately 10 years.
  3. Time switch according to Claim 1 or 2,
    characterized in that
    it is not provided with a time display.
  4. Time switch according to one of the preceding claims,
    characterized in that
    its time decoding register (35) is purely designed for a weekly cycle sequence control.
  5. Time switch according to Claim 4,
    characterized in that
    a fixed storage calendar (45) is associated with the decoding register (35) for correcting the register outputs (36) according to summertime/wintertime changes.
  6. Time switch according to Claim 4 or 5,
    characterized in that
    the decoding register (35) is provided with a fixed storage calendar (45) for the consideration, depending on leap-years, of data-dependent switching sequences.
  7. Time switch according to one of the preceding claims,
    characterized in that
    it is provided with a synchronizing switch (48) for setting the decoding register (35) to a predetermined reference time which recurs daily.
  8. Time switch according to one of the preceding claims,
    characterized in that
    the decoding register (35) has an adjusting input (42) for the electrical supply of correcting impulses (43) for the time adjustment.
EP91118673A 1990-11-06 1991-11-01 Time switch device Expired - Lifetime EP0484833B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4035190 1990-11-06
DE4035190A DE4035190A1 (en) 1990-11-06 1990-11-06 TIME SWITCHING DEVICE

Publications (3)

Publication Number Publication Date
EP0484833A2 EP0484833A2 (en) 1992-05-13
EP0484833A3 EP0484833A3 (en) 1992-08-26
EP0484833B1 true EP0484833B1 (en) 1995-08-02

Family

ID=6417703

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91118673A Expired - Lifetime EP0484833B1 (en) 1990-11-06 1991-11-01 Time switch device

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EP (1) EP0484833B1 (en)
AT (1) ATE125961T1 (en)
DE (2) DE4035190A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10056497A1 (en) * 2000-11-15 2002-05-23 Bsh Bosch Siemens Hausgeraete Method for making information on times available in domestic appliance keeps appliance connected to distributed network to pick up information on times from service provider via network and display them on appliance.

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH655587B (en) * 1983-09-22 1986-04-30
GB2193011B (en) * 1986-07-21 1991-01-30 Schlumberger Ind Ltd Programmable time switch
US4857759A (en) * 1988-02-17 1989-08-15 Murphy Gordon J Alternating current outlet adapter
DE8816400U1 (en) * 1988-04-25 1989-06-15 Siemens AG, 1000 Berlin und 8000 München Timer with a microcomputer-controlled program setting device

Also Published As

Publication number Publication date
EP0484833A3 (en) 1992-08-26
DE4035190A1 (en) 1992-05-07
DE59106142D1 (en) 1995-09-07
EP0484833A2 (en) 1992-05-13
ATE125961T1 (en) 1995-08-15

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