EP0615178A2 - Montre commutatrice sans batterie, avec réserve de marche - Google Patents

Montre commutatrice sans batterie, avec réserve de marche Download PDF

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Publication number
EP0615178A2
EP0615178A2 EP94102021A EP94102021A EP0615178A2 EP 0615178 A2 EP0615178 A2 EP 0615178A2 EP 94102021 A EP94102021 A EP 94102021A EP 94102021 A EP94102021 A EP 94102021A EP 0615178 A2 EP0615178 A2 EP 0615178A2
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EP
European Patent Office
Prior art keywords
clock
output
counter
time
cls
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.)
Ceased
Application number
EP94102021A
Other languages
German (de)
English (en)
Other versions
EP0615178A3 (fr
Inventor
Dieter Thomas
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.)
Legrand GmbH
Original Assignee
Legrand 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 Legrand GmbH filed Critical Legrand GmbH
Publication of EP0615178A2 publication Critical patent/EP0615178A2/fr
Publication of EP0615178A3 publication Critical patent/EP0615178A3/fr
Ceased legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G19/00—Electric power supply circuits specially adapted for use in electronic time-pieces
    • G04G19/10—Arrangements for supplying back-up power
    • G—PHYSICS
    • G04—HOROLOGY
    • G04G—ELECTRONIC TIME-PIECES
    • G04G15/00—Time-pieces comprising means to be operated at preselected times or after preselected time intervals

Definitions

  • the invention relates to a batteryless electromechanical time switch with an input-side rectifier that feeds a storage capacitor that feeds a clock circuit processor with a quartz-controlled clock timer and a electromechanical clock drive periodically controlled by the latter with a supply voltage, so that an output contact is opened or closed directly or indirectly depending on the clock position is.
  • Time switches of the aforementioned type are generally known.
  • an electric motor running on the network for example a stepper motor, actuates a contact arrangement in a time-dependent manner, the position of set segments, switch tabs or switching elements, which are arranged, for example, on the circumference of a clock scale, being queried and the sensing lever of the Segment position serves as switching means for an output contact that switches an external load.
  • the motor actuation it is customary for the motor actuation to stand still in the event of a power failure and thus for the switching operations to be delayed when the power is switched on again.
  • the clock circuit processor program-controlled checks the supply voltage for exceeding a predetermined minimum voltage before the periodic delivery of one of the clock switching pulses and only outputs the clock switching pulse if this has been exceeded, and that otherwise a counter, the content of which counts the number of the periodic clock switching pulses to be output but not yet output, is counted up by 1, and that when a clock switching pulse has been output, the counter content is checked to determine whether all clock switching pulses to be output have been output, and if not, the counter is counted down by 1 and the program continues by querying the time counter as to whether another clock switching pulse is to be output.
  • the clock circuit requires extremely little current, so that a conventional storage capacitor is sufficient for a long operating time, since large current consumers, such as the stepping motor or a switching relay, are not connected to the capacitor but are automatically shut down.
  • the stepper motor is, for example, a motor which works with an induction coil which is actuated in the pulse pause mode and, if appropriate, actuates a pointer mechanism and the contact mechanism via a gear.
  • a stepper motor can also be provided, which can be operated with two coils with two phase-shifted pulses. This is due to professional skill. Since a stepper motor only needs short pulses of 10 or 20 msec, for example, the time can be switched much faster than in normal operation. In normal operation, for example, switching pulses for the clock motor are provided at intervals of one second. This provides a sufficient accuracy of the switching time query of the switching control contacts, as well as an acceptably smooth clock run.
  • the input contact field can be used directly to control the external consumer or directly operate a relay or the relay with the output contact via the clock circuit processor.
  • the sequence program in the clock circuit processor ensures that when there is a power failure and the voltage for supplying the clock drive is no longer sufficient, and the storage capacitor only supplies enough voltage for the processor, the switching motor is no longer activated and the output relay is switched off becomes.
  • the number of clock switching times pending during the power failure for example, seconds that would be necessary to control the actuation pulses of the stepping motor of the clock, are alternatively stored in a counter, so that after that the mains voltage is sufficient again and if this is determined by the clock circuit processor in the program sequence is, the circuit again clock pulses again, in rapid succession, in the appropriate number and gives the clockwork quickly to the current time. If the current time is given again, the switching relay is also brought into the state that corresponds to the respective position of the switching segments. In this way, output contact switchovers are not carried out continuously during the rapid passage of the switched switching states if such an input contact program would be available, as a result of which the output contact and possibly also the consumer are protected.
  • the clock circuit processor is allocated its own buffer, which keeps its energy reserve independent of the supply of the stepper motor and the output relay and is blocked against its supply by a high-blocking rectifier, for example a MOS-FET transistor.
  • a high-blocking rectifier for example a MOS-FET transistor.
  • the output relay can be a normal continuous current relay or can also be designed as a pulse switching relay which is switched on with a first pulse and is switched off in each case with a further pulse. Its control is carried out according to professional rules.
  • FIG. 1 shows a block diagram in which a time switch is fed by the mains voltage (UN) via a mains rectifier (NG).
  • the line rectifier (NG) supplies a low voltage supply voltage (UV) which is buffered and buffered in a storage capacitor (CS).
  • This supply voltage (UV) feeds a clock circuit processor (CLS) via a direct line (D), which contains a quartz-controlled clockwork.
  • CZ electronic time counter
  • the highest point of which is provided as the output value for the pulse generation, which is used to control the stepper motor (LU) of the clockwork.
  • the supply voltage (UV) feeds the stepper motor (LU) of the clockwork as well as the switching relay (SR), whose output contact (AK) controls the external consumer.
  • the circuit is supplied via a separate rectifier (G), the clockwork circuit having its own further buffer capacitor (D1) connected in parallel.
  • the rectifier, which supplies the clock circuit and the additional buffer capacitor (C1) is, for example, a high-blocking MOSFET transistor; other decouplings, e.g. via a diode are also possible.
  • the clock circuit processor (CLS) is included on the input side a switching segment arrangement (EK), which consists, for example, of switching segments, riders or elements arranged in a ring, each of which is assigned to a specific time segment. These switching segments are moved past a sensing mechanism by the clockwork drive. As a result, the position of the switching segments corresponding to a selected switching program is reported to the clockwork processor. According to this respective switching segment position, the program of the clock switching processor (CLS) sets an internal switching position flag (MS), depending on which the position is reported to the switching relay (SR).
  • MS internal switching position flag
  • the clock circuit processor also contains a counter (Z), which can be counted up and down and serves to record the number of step pulses which occurred in the event of a power failure but could not yet be passed on to the clockwork motor (LU).
  • the program also has a further marker (MU) which displays the last time of the clock counter so that the program can detect a change in the clock counter position.
  • An input connection is used to check the supply voltage of the clock circuit processor (CLS), which is connected via a resistance voltage divider (R1, R2), one end of which is connected to a query output of the clock circuit processor, so that from the storage capacitor (C1) or (CS) only briefly draws current for the query when a voltage test is carried out programmatically.
  • CLS clock circuit processor
  • R1, R2 resistance voltage divider
  • FIG. 2 shows a block diagram of a program which is used to control the power reserve in the event of a power failure.
  • the current one Compare the time of the time counter (CZ) with the memorized state of the time-of-day flag (MU). If the two match, the program returns to the query. In the event that the state of the time counter (CZ) has changed, this new state of the time counter (CZ) is transferred to the time memory (MU). Furthermore, the content of the counter (Z) is increased by 1, which indicates the time pulses that have not yet been output.
  • the supply voltage (UV) is checked, the voltage at the input terminal (PE) being compared with a threshold value (SW). If the supply voltage is lower than specified, the output relay (SR) is switched off so that it does not consume any further current. If the relay is a pulse relay, this switch-off process is not necessary. The program then returns to the entry point.
  • the clock motor (LU) is first switched on and a corresponding switch-on time (TLU on) is waited for, then the clock switch motor (LU) is switched off and a minimum switch-off time (TLU off, min) is waited for. Then the counter (Z) is counted down by 1 since the pulse output has now ended. If time steps that have not yet been forwarded to the outside are stored in the counter (Z), the program returns to the starting point, so that further queries and outputs of clock step pulses occur in the fastest possible sequence.
  • the output relay is a pulse relay that works latching
  • a comparison of the content of the respective input contact status with the status flag (MS) is carried out before its changeover, and if a change occurs, an output pulse is output in accordance with this change direction.
  • the duration of the output pulse is determined by the program. For the switching direction of the pulse output relay, two different outputs are provided in a known manner or outputs of different polarity are routed to the same switching coil.
  • branches from the query terms which are denoted by n, denote those in which the query condition is not fulfilled and those which are denoted by j, those branches in which the query condition is fulfilled.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Stepping Motors (AREA)
EP94102021A 1993-03-12 1994-02-10 Montre commutatrice sans batterie, avec réserve de marche. Ceased EP0615178A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4307854 1993-03-12
DE19934307854 DE4307854C1 (de) 1993-03-12 1993-03-12 Batterielose Schaltuhr mit Gangreserve

Publications (2)

Publication Number Publication Date
EP0615178A2 true EP0615178A2 (fr) 1994-09-14
EP0615178A3 EP0615178A3 (fr) 1996-09-25

Family

ID=6482607

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94102021A Ceased EP0615178A3 (fr) 1993-03-12 1994-02-10 Montre commutatrice sans batterie, avec réserve de marche.

Country Status (2)

Country Link
EP (1) EP0615178A3 (fr)
DE (1) DE4307854C1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101834093B (zh) * 2009-12-29 2012-09-05 深圳和而泰智能控制股份有限公司 一种保护继电器触点的继电器驱动方法及装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5388761A (en) * 1976-12-27 1978-08-04 Seiko Epson Corp Electronic watch with auxiliary battery
JPS61202186A (ja) * 1985-03-05 1986-09-06 Seiko Instr & Electronics Ltd 電子時計
US4751521A (en) * 1985-09-24 1988-06-14 Seikosha Co., Ltd. Time recorder with automatic correction for momentary discontinuation of power supply

Also Published As

Publication number Publication date
DE4307854C1 (de) 1994-04-21
EP0615178A3 (fr) 1996-09-25

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