EP0338357B1 - Working hours counter - Google Patents

Working hours counter Download PDF

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Publication number
EP0338357B1
EP0338357B1 EP89106252A EP89106252A EP0338357B1 EP 0338357 B1 EP0338357 B1 EP 0338357B1 EP 89106252 A EP89106252 A EP 89106252A EP 89106252 A EP89106252 A EP 89106252A EP 0338357 B1 EP0338357 B1 EP 0338357B1
Authority
EP
European Patent Office
Prior art keywords
running time
time meter
meter according
frame
bearing plate
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
EP89106252A
Other languages
German (de)
French (fr)
Other versions
EP0338357A3 (en
EP0338357A2 (en
Inventor
Hubert Zepf
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.)
Hengstler GmbH
Original Assignee
Hengstler 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 Hengstler GmbH filed Critical Hengstler GmbH
Publication of EP0338357A2 publication Critical patent/EP0338357A2/en
Publication of EP0338357A3 publication Critical patent/EP0338357A3/en
Application granted granted Critical
Publication of EP0338357B1 publication Critical patent/EP0338357B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/04—Design features of general application for driving the stage of lowest order
    • G06M1/06—Design features of general application for driving the stage of lowest order producing continuous revolution of the stage, e.g. with gear train
    • G06M1/062—Design features of general application for driving the stage of lowest order producing continuous revolution of the stage, e.g. with gear train for drum type indicating means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/08—Design features of general application for actuating the drive
    • G06M1/10—Design features of general application for actuating the drive by electric or magnetic means
    • G06M1/102—Design features of general application for actuating the drive by electric or magnetic means by magnetic or electromagnetic means
    • G06M1/107—Design features of general application for actuating the drive by electric or magnetic means by magnetic or electromagnetic means electromotors

Definitions

  • the invention relates to an operating hours counter with display rollers, which by means of electr. Motor drive via an intermediate gearbox are arranged in a housing.
  • Operating hours counters are available in different versions, e.g. for direct or alternating current, for different voltages and applications; Accordingly, there are numerous designs. According to the prior art, a synchronous motor with the desired operating voltage is installed in a housing in operating hours counters for alternating current, which drives the display elements via a multi-stage gear.
  • the basic idea of the invention is thus to incorporate as many functions as possible into the main elements that were previously realized by individual assemblies. At the same time, only one drive motor with a nominal voltage is required for different supply voltages, for which the adjustment is made via a correspondingly dimensioned series resistor.
  • the counter frame 1 has an intermediate wall as a partition 2 between which (2) and the bearing plate 3 the rotor 4 of the drive motor is mounted at 5 and 6.
  • the bearing plate 3 carries the gear 7 on the front, namely on molded bearing pins 8.
  • This bearing plate 3 is fixed with the interposition of the stator plates 9 of the drive motor by means of molded spring tabs 10 with detents on the partition 2.
  • the axial spacing of the rotor bearings 5 and 6 with axial play of the rotor 4 is determined by these sheets 9, which are to be inserted alternately between the partition 2 and the bearing plate 3.
  • the bearing points of the rotor are also fixed by means of holding parts 11 and 12 integrally formed on the frame with receptacles in the bearing plate 3.
  • the motor excitation coil 13 is held with inserted core parts 14 of the stator sheets 9. Holding parts 15, 16 formed on the frame wall 2 define the air gap between the stator plates and the rotor.
  • the excitation coil is supplied via electrical connection carriers 17, 18 in an indentation 34 in the frame wall. These connection carriers 17, 18 are optionally equipped with plugs or screw terminals.
  • a series resistor 19 is used to adapt the excitation coil to the given supply voltage.
  • the preassembled roller set 20 with shaft 21 is held in the frame by means of molded-on spring arms 23, 24 with catches that the setting of the number rollers 25 with shaft 21 is made possible by latching on the indexing drives 26 with shaft 22.
  • a gear 29 is assigned to the gear 7 via a ring gear 31, which drives the starting roller 27 with the running control 33 applied.
  • the initial roller 27 then acts on the subsequent toothed rollers 25 via the first indexing drive 28.
  • a pinion 30 with two toothings is located on the rotor shaft 4a, one toothing driving the gear 7 and the other driving the backstop 32.
  • the frame 1 can be inserted into a housing alone as a counter or, as shown in FIG. 7, two or more counters can also be inserted with their frame into a multiple housing 35, which are held in their receptacles with latching members 36, 37.
  • the viewing window 38 for the numerical values can be provided in the usual way as a magnifying glass for better readability of the numbers.

Abstract

The invention relates to an elapsed-time meter having indicating rollers which are arranged by means of an electrical motor drive via an intermediate gearing in a housing. In the course of miniaturisation of such devices, small elapsed-time meters are to be created but without having to accept a deterioration in resolution or indicating capacity, which is done by means of supporting the rotor of the drive motor, on the one hand, in a frame partition wall and, on the other hand, in a bearing plate which carries the gearing at its front end and can be fixed at the partition wall by means of formed-on spring lugs with locking noses. <IMAGE>

Description

Die Erfindung bezieht sich auf einen Betriebsstundenzähler mit Anzeigerollen, welche vermittels elektr. Motorantrieb über ein zwischengeschaltetes Getriebe in einem Gehäuse angeordnet sind.The invention relates to an operating hours counter with display rollers, which by means of electr. Motor drive via an intermediate gearbox are arranged in a housing.

Betriebsstundenzähler gibt es in verschiedenen Ausführungen, z.B. für Gleich- oder Wechselstrom, für verschiedene Spannungen und Anwendungsfälle; dementsprechend gibt es auch zahlreiche Bauformen. Nach dem Stand der Technik ist bei Betriebsstundenzählern für Wechselstrom ein Synchronmotor mit der gewünschten Betriebsspannung in einem Gehäuse eingebaut, welcher über ein mehrstufiges Getriebe die Anzeigeelemente antreibt.Operating hours counters are available in different versions, e.g. for direct or alternating current, for different voltages and applications; Accordingly, there are numerous designs. According to the prior art, a synchronous motor with the desired operating voltage is installed in a housing in operating hours counters for alternating current, which drives the display elements via a multi-stage gear.

Es ist nun Aufgabe der Erfindung im Zuge der Miniaturisierung solcher Geräte kleine Betriebsstundenzähler zu schaffen, ohne jedoch an der Auflösung oder Anzeigekapazität einen Abstrich in Kauf nehmen zu müssen.It is an object of the invention to create small operating hours counters in the course of the miniaturization of such devices without, however, having to compromise on the resolution or display capacity.

Diese Aufgabe wird bei einem Betriebsstundenzähler für Wechselstrom der eingangs genannten Art gemäß der Erfindung dadurch gelöst, daß der Rotor des Antriebsmotors einerseits in einer Gestell - Zwischenwand und andererseits in einer Lagerplatte gelagert ist, welche Lagerplatte vorderseitig das Getriebe trägt und mittels angeformten Federlappen mit Rastnasen an der Zwischenwand festlegbar ist.This object is achieved in an operating hours counter for alternating current of the type mentioned at the outset according to the invention in that the rotor of the drive motor is mounted on the one hand in a frame partition and on the other hand in a bearing plate, which bearing plate carries the transmission on the front and by means of molded spring tab with locking lugs on the intermediate wall can be fixed.

Der Grundgedanke der Erfindung ist es somit, möglichst viele Funktionen die bisher durch Einzelbaugruppen realisiert werden, in die Hauptelemente zu intregieren. Gleichzeitig wird für verschiedene Versorgungsspannungen nur noch ein Antriebsmotor mit einer Nennspannung benötigt, wofür die Anpassung über einen entsprechenden dimensionierten Vorwiderstand erfolgt.The basic idea of the invention is thus to incorporate as many functions as possible into the main elements that were previously realized by individual assemblies. At the same time, only one drive motor with a nominal voltage is required for different supply voltages, for which the adjustment is made via a correspondingly dimensioned series resistor.

Eine bevorzugte Ausführungsform eines Betriebsstundenzählers gemäß der Erfindung ist beispielsweise in der Zeichnung dargestellt und nachfolgend erläutert und zwar zeigen:

Fig.1
die Frontseite eines Betriebsstundenzählers,
Fig.2
die Draufsicht auf den voll bestückten Zähler nach Fig. 1,
Fig.3
eine Draufsicht auf den teilweise bestückten Zähler nach Fig. 1
Fig.4
einen Schnitt durch den Zähler nach Linie A-B,
Fig.5
eine Rückansicht des Zählers nach Fig. 1,
Fig.6
einen Schnitt durch den Zähler nach Linie C-D und
Fig.7
ein Zählergehäuse, in welches wahlweise ein oder zwei Zählwerke einbaubar sind.
A preferred embodiment of an operating hours counter according to the invention is shown, for example, in the drawing and explained below, namely that:
Fig. 1
the front of an operating hours counter,
Fig. 2
the top view of the fully stocked counter of FIG. 1,
Fig. 3
a plan view of the partially populated counter of FIG. 1st
Fig. 4
a section through the meter according to line AB,
Fig. 5
2 shows a rear view of the meter according to FIG. 1,
Fig. 6
a section through the counter on line CD and
Fig. 7
a meter housing in which one or two counters can optionally be installed.

Wie aus den Zeichnungsunterlagen ersichtlich ist, besitzt das Zählergestell 1 eine Zwischenwand als Trennwand 2 zwischen welcher (2) und der Lagerplatte 3 der Rotor 4 des Antriebsmotors bei 5 und 6 gelagert ist. Die Lagerplatte 3 trägt vorderseitig das Getriebe 7 und zwar auf angeformten Lagerzapfen 8.Diese Lagerplatte 3 ist unter Zwischenlage der Statorbleche 9 des Antriebsmotors mittels angeformten Federlappen 10 mit Rastnasen an der Trennwand 2 festgelegt. Durch diese Bleche 9, welche wechselweise zwischen die Trennwand 2 und Lagerplatte 3 einzulegen sind, wird der axiale Abstand der Rotorlager 5 und 6 mit Axialspiel des Rotors 4 bestimmt. Die Lagerstellen des Rotors sind überdies mittels am Gestell angeformten Halteteilen 11 und 12 mit Aufnahmen in der Lagerplatte 3 festgelegt.As can be seen from the drawing documents, the counter frame 1 has an intermediate wall as a partition 2 between which (2) and the bearing plate 3 the rotor 4 of the drive motor is mounted at 5 and 6. The bearing plate 3 carries the gear 7 on the front, namely on molded bearing pins 8. This bearing plate 3 is fixed with the interposition of the stator plates 9 of the drive motor by means of molded spring tabs 10 with detents on the partition 2. The axial spacing of the rotor bearings 5 and 6 with axial play of the rotor 4 is determined by these sheets 9, which are to be inserted alternately between the partition 2 and the bearing plate 3. The bearing points of the rotor are also fixed by means of holding parts 11 and 12 integrally formed on the frame with receptacles in the bearing plate 3.

Die Motorerregerspule 13 wird mit durchgesteckten Kernteilen 14 der Statorbleche 9 gehalten. An der Gestellwand 2 angeformte Halteteile 15, 16 legen den Luftspalt zwischen den Statorblechen und dem Rotor fest. Die Erregerspule wird über elektrische Anschlußträger 17, 18 in einer Einbuchtung 34 der Gestellwand versorgt. Diese Anschlußträger 17, 18 sind wahlweise mit Stecker oder Schraubklemmen zu bestücken. Ein Vorwiderstand 19 dient zur Anpassung der Erregerspule an die jeweils gegebene Vorsorgungsspannung.The motor excitation coil 13 is held with inserted core parts 14 of the stator sheets 9. Holding parts 15, 16 formed on the frame wall 2 define the air gap between the stator plates and the rotor. The excitation coil is supplied via electrical connection carriers 17, 18 in an indentation 34 in the frame wall. These connection carriers 17, 18 are optionally equipped with plugs or screw terminals. A series resistor 19 is used to adapt the excitation coil to the given supply voltage.

Der vormontierte Rollensatz 20 mit Welle 21 ist so im Gestell mittels angeformten Federarmen 23, 24 mit Rastungen gehalten, daß das Einstellen der Zahlenrollen 25 mit Welle 21 durch Überrasten an den Fortschalttrieben 26 mit Welle 22 ermöglicht wird. Dem Getriebe 7 ist über einen Zahnkranz 31 eine Schnecke 29 zugeordnet, welche die Anfangsrolle 27 mit aufgebrachter Laufkontrolle 33 antreibt. Die Anfangsrolle 27 wirkt dann über den ersten Fortschalttrieb 28 auf die nachfolgenden Zahnrollen 25. Auf der Rotorwelle 4a befindet sich ein Ritzel 30 mit zwei Verzahnungen, wobei die eine Verzahnung das Getriebe 7, und die andere die Rücklaufsperre 32 antreibt.The preassembled roller set 20 with shaft 21 is held in the frame by means of molded-on spring arms 23, 24 with catches that the setting of the number rollers 25 with shaft 21 is made possible by latching on the indexing drives 26 with shaft 22. A gear 29 is assigned to the gear 7 via a ring gear 31, which drives the starting roller 27 with the running control 33 applied. The initial roller 27 then acts on the subsequent toothed rollers 25 via the first indexing drive 28. A pinion 30 with two toothings is located on the rotor shaft 4a, one toothing driving the gear 7 and the other driving the backstop 32.

Das Gestell 1 kann allein als Zählwerk in ein Gehäuse eingesteckt werden oder wie in Fig. 7 gezeigt wird, können auch zwei oder mehrere Zählwerke mit ihrem Gestell in ein Mehrfachgehäuse 35 eingesteckt werden, die mit Verrastungsgliedern 36, 37 in ihrer Aufnahme festgehalten sind.The frame 1 can be inserted into a housing alone as a counter or, as shown in FIG. 7, two or more counters can also be inserted with their frame into a multiple housing 35, which are held in their receptacles with latching members 36, 37.

Die Sichtfenster 38 für die Zahlenwerte können in üblicher Weise, als Lupe für bessere Lesbarkeit der Zahlen vorgesehen sein.The viewing window 38 for the numerical values can be provided in the usual way as a magnifying glass for better readability of the numbers.

Claims (9)

  1. A running time meter comprising indicating rollers (20), which are disposed in a housing and are adapted to be advanced in steps by an electric motor through the intermediary of an interposed transmission (7),
       characterized in that the rotor (4) of the drive motor is mounted at one end in a partition (2) of a frame and at its other end in a bearing plate (3), which on its front side carries the transmission (7) and is adapted to be fixed to the partition (2) by means of integrally formed spring lugs (10) provided with detent noses.
  2. A running time meter according to claim 1,
       characterized in that the stator plates (9) the drive motor preferably as two plates are disposed in alternation between the partition (2) and the bearing plate (3) and determine the axial spacing of the rotor bearings (5, 6) so as to provide for an axial play of the rotor (4).
  3. A running time meter according to claim 1 or 2,
       characterized in that the bearings (5, 6) for the rotor are fixed in alignment by means of retaining parts (11, 12), which are integrally formed with the frame (1) or the bearing plate (3) and are received in the bearing plate or the frame.
  4. A running time meter according to any of claims 1 to 3,
       characterized in that the motor oil (13) is mounted on overlapping core portions of the stator plates (9).
  5. A running time meter according to any of claims 1 to 4,
       characterized in that the bearing plate (3) is integrally formed with the pins (8) for mounting the transmission members (7).
  6. A running time meter according to any of claims 1 to 5,
       characterized in that the carriers (17, 18) for the electric terminals are mounted in a recess (34) of the frame wall and can selectively be provided with plug pins or screw terminals.
  7. A running time meter according to any of claims 1 to 6,
       characterized in that the pre-assembled set of rollers (20) is adapted to be inserted into a receptacle of the frame and by means of spring arms (23, 24), which are integrally formed with the frame and provided with detent means, is so held that the indicating rollers (25) are adapted to be adjusted in that they are skipped over the detent positions at the advancing drives (26).
  8. A running time meter according to any of the preceding claims,
       characterized in that one or more frames (1) provided each with a complete counting mechanism are adapted to be slidably inserted into a housing (35), which has sight windows for the digit rollers.
  9. A running time meter according to any of the preceding claims,
       characterized in that the drive motor has a predetermined rated voltage and by means of a correspondingly dimensioned series resistor (19) is adapted to be matched to different supply voltages.
EP89106252A 1988-04-16 1989-04-08 Working hours counter Expired - Lifetime EP0338357B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE8805055U DE8805055U1 (en) 1988-04-16 1988-04-16
DE8805055U 1988-04-16

Publications (3)

Publication Number Publication Date
EP0338357A2 EP0338357A2 (en) 1989-10-25
EP0338357A3 EP0338357A3 (en) 1992-01-22
EP0338357B1 true EP0338357B1 (en) 1994-10-12

Family

ID=6823025

Family Applications (1)

Application Number Title Priority Date Filing Date
EP89106252A Expired - Lifetime EP0338357B1 (en) 1988-04-16 1989-04-08 Working hours counter

Country Status (4)

Country Link
US (1) US4937798A (en)
EP (1) EP0338357B1 (en)
AT (1) ATE112875T1 (en)
DE (2) DE8805055U1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5121368A (en) * 1991-02-19 1992-06-09 Enm Company Engine operating time measuring apparatus
US5581520A (en) * 1994-01-18 1996-12-03 Electrodynamics, Inc. Watch driven elapsed time indicator apparatus and its method of manufacture and use
TW533865U (en) * 1997-06-10 2003-05-21 Glaxo Group Ltd Dispenser for dispensing medicament and actuation indicating device
DE29915528U1 (en) * 1999-09-03 1999-12-09 Fritz Kuebler Gmbh Zaehl Und S Electromechanical counter
US6912691B1 (en) * 1999-09-03 2005-06-28 Cisco Technology, Inc. Delivering voice portal services using an XML voice-enabled web server

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2762190A (en) * 1945-05-28 1956-09-11 Holzner Adolf Cyclometer clock system
US3337129A (en) * 1966-08-02 1967-08-22 Veeder Industries Inc Counter
CH1692767A4 (en) * 1967-12-01 1970-07-31
US3590572A (en) * 1970-02-02 1971-07-06 Bunker Ramo Digital clock
CH556569A (en) * 1971-03-16 1974-11-29
US3898792A (en) * 1974-04-25 1975-08-12 Gen Electric Digital timer
DE2934829C2 (en) * 1979-08-29 1981-07-30 Irion & Vosseler, Zählerfabrik, 7220 Villingen-Schwenningen Roller counter
JPS57207988A (en) * 1981-06-18 1982-12-20 Dai Ichi Seiko Co Ltd Counter

Also Published As

Publication number Publication date
DE58908483D1 (en) 1994-11-17
DE8805055U1 (en) 1988-06-09
EP0338357A3 (en) 1992-01-22
US4937798A (en) 1990-06-26
EP0338357A2 (en) 1989-10-25
ATE112875T1 (en) 1994-10-15

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