EP0338357A2 - Working hours counter - Google Patents

Working hours counter Download PDF

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Publication number
EP0338357A2
EP0338357A2 EP89106252A EP89106252A EP0338357A2 EP 0338357 A2 EP0338357 A2 EP 0338357A2 EP 89106252 A EP89106252 A EP 89106252A EP 89106252 A EP89106252 A EP 89106252A EP 0338357 A2 EP0338357 A2 EP 0338357A2
Authority
EP
European Patent Office
Prior art keywords
operating hours
hours counter
counter according
bearing plate
frame
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.)
Granted
Application number
EP89106252A
Other languages
German (de)
French (fr)
Other versions
EP0338357B1 (en
EP0338357A3 (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.
  • 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 therefore 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 can optionally be fitted 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.
  • the frame 1 can be inserted into a housing as a counter alone 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, but without having to accept a compromise in terms of 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 partition 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 therefore 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, specifically showing:
  • 1 the front of an operating hours counter ,
  • 2 shows the top view of the fully equipped meter according to FIG. 1,
  • 3 shows a plan view of the partially populated meter according to FIG. 1
  • 4 shows a section through the meter along line AB,
  • 5 is a rear view of the counter of FIG. 1,
  • 6 shows a section through the counter along line CD and
  • 7 shows 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 can optionally be fitted 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. On the rotor shaft 4a there is a pinion 30 with two toothings, one toothing driving the transmission 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 as a counter alone 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. Betriebsstundenzähler mit Anzeigerollen, welche vermittels elektr. Motorantrieb über ein zwischen­geschaltetes Getriebe in einem Gehäuse fortschaltbar angeordnet sind,
dadurch gekennzeichnet, 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.1. Operating hours counter with display rollers, which by means of electr. Motor drive are arranged in a housing in an indexable manner via an intermediate gear,
characterized in that the rotor of the drive motor is mounted on the one hand in a frame intermediate wall and on the other hand in a bearing plate, which bearing plate carries the transmission on the front side and can be fixed on the intermediate wall by means of molded spring tabs with locking lugs. 2. Betriebsstundenzähler nach Anspruch 1,
dadurch gekennzeichnet, daß die Statorbleche des Antriebsmotors, vorzugsweise zwei Bleche wechsel­weise zwischen die Zwischenwand und die Lagerplatte eingelegt sind und den axialen Abstand der Rotor­lager mit Axialspiel des Rotors bestimmen.2. operating hours counter according to claim 1,
characterized in that the stator plates of the drive motor, preferably two plates, are inserted alternately between the intermediate wall and the bearing plate and determine the axial distance of the rotor bearings with axial play of the rotor. 3. Betriebsstundenzähler nach Anspruch 1 oder 2,
dadurch gekennzeichnet, daß die Lagerstellen des Rotors vermittels am Gestell oder der Lagerplatte angeformter Halteteile mit Aufnahmen in der Lagerplatte oder dem Gestell fluchtend festgelegt sind.3. operating hours counter according to claim 1 or 2,
characterized in that the bearing points of the rotor are aligned by means of holding parts formed on the frame or the bearing plate with receptacles in the bearing plate or the frame. 4. Betriebsstundenzähler nach einem der Ansprüche 1 bis 3,
dadurch gekennzeichnet, daß die Motorspule auf über­lappenden Kernteilen der Statorbleche gelagert ist.4. operating hours counter according to one of claims 1 to 3,
characterized in that the motor coil is mounted on overlapping core parts of the stator plates. 5. Betriebsstundenzähler nach einem der Ansprüche 1 bis 4,
dadurch gekennzeichnet, daß der Lagerplatte die Lagerzapfen für die Getriebeteile angeformt sind.5. operating hours counter according to one of claims 1 to 4,
characterized in that the bearing plate, the bearing pins for the gear parts are formed. 6. Betriebsstundenzähler nach einem der Ansprüche 1 bis 5,
dadurch gekennzeichnet, daß die elektr. Anschluß­träger in einer Einbuchtung an der Gestellwand ge­lagert und wahlweise mit Stecker oder Schraubklemmen bestückbar sind.6. operating hours counter according to one of claims 1 to 5,
characterized in that the electr. Connection carriers are stored in an indentation on the frame wall and can optionally be equipped with plugs or screw terminals. 7. Betriebsstundenzähler nach einem der Ansprüche 1 bis 6,
dadurch gekennzeichnet, daß der vormontierte Rollen­satz in einer Gestellaufnahme einsetzbar und mittels am Gestell angeformten Federarmen mit Rastungen so gehalten ist, daß das Einstellen der Anzeigerollen durch Überrasten an den Fortschalttrieben ermöglicht wird.7. operating hours counter according to one of claims 1 to 6,
characterized in that the preassembled roller set can be used in a frame holder and is held by means of spring arms formed on the frame with catches in such a way that the setting of the display rollers is made possible by latching on the indexing drives. 8. Betriebsstundenzähler nach einem der vorher­gehenden Ansprüche,
dadurch gekennzeichnet, daß ein oder mehrere Gestelle mit jeweils kompletten Zählwerken in einem Gehäuse mit Sichtfenster für die Zahlenrollen einschiebbar sind.8. operating hours counter according to one of the preceding claims,
characterized in that one or more racks, each with complete counters, can be inserted in a housing with a viewing window for the number rollers. 9. Betriebsstundenzähler nach einem der vorher­gehenden Ansprüche,
dadurch gekennzeichnet, daß der Antriebsmotor mit gegebener Nennspannung über einen entspr. dimensionier­ten Vorwiderstand an verschiedene Versorgungsspannungen anpassbar ist.9. operating hours counter according to one of the preceding claims,
characterized in that the drive motor with a given nominal voltage can be adapted to different supply voltages via an appropriately dimensioned series resistor.
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 true EP0338357A2 (en) 1989-10-25
EP0338357A3 EP0338357A3 (en) 1992-01-22
EP0338357B1 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

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337129A (en) * 1966-08-02 1967-08-22 Veeder Industries Inc Counter
DE1811527A1 (en) * 1967-12-01 1969-12-18 Cem Comp Electro Mec Counter
EP0024647A1 (en) * 1979-08-29 1981-03-11 Irion &amp; Vosseler, Zählerfabrik Drum-type counter
JPS57207988A (en) * 1981-06-18 1982-12-20 Dai Ichi Seiko Co Ltd Counter

Family Cites Families (4)

* 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
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

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3337129A (en) * 1966-08-02 1967-08-22 Veeder Industries Inc Counter
DE1811527A1 (en) * 1967-12-01 1969-12-18 Cem Comp Electro Mec Counter
EP0024647A1 (en) * 1979-08-29 1981-03-11 Irion &amp; Vosseler, Zählerfabrik Drum-type counter
JPS57207988A (en) * 1981-06-18 1982-12-20 Dai Ichi Seiko Co Ltd Counter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, vol. 7, no. 64 (P-183)[1209], 17th March 1983; & JP-A-57 207 988 (DAIICHI SEIKOU K.K.) 20-12-1982 *

Also Published As

Publication number Publication date
US4937798A (en) 1990-06-26
DE58908483D1 (en) 1994-11-17
EP0338357B1 (en) 1994-10-12
EP0338357A3 (en) 1992-01-22
DE8805055U1 (en) 1988-06-09
ATE112875T1 (en) 1994-10-15

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