EP1346317B1 - Unidirektionales zählwerk - Google Patents

Unidirektionales zählwerk Download PDF

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Publication number
EP1346317B1
EP1346317B1 EP01983748A EP01983748A EP1346317B1 EP 1346317 B1 EP1346317 B1 EP 1346317B1 EP 01983748 A EP01983748 A EP 01983748A EP 01983748 A EP01983748 A EP 01983748A EP 1346317 B1 EP1346317 B1 EP 1346317B1
Authority
EP
European Patent Office
Prior art keywords
gear
ratchet
pawls
pawl
counting mechanism
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
EP01983748A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1346317A1 (de
Inventor
Ernst Bürgi
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.)
Landis and Gyr AG
Original Assignee
Landis and Gyr AG
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 Landis and Gyr AG filed Critical Landis and Gyr AG
Publication of EP1346317A1 publication Critical patent/EP1346317A1/de
Application granted granted Critical
Publication of EP1346317B1 publication Critical patent/EP1346317B1/de
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
    • G06M1/064—Design features of general application for driving the stage of lowest order producing continuous revolution of the stage, e.g. with gear train for dial, pointer, or similar type indicating means
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M3/00—Counters with additional facilities
    • G06M3/12—Counters with additional facilities for preventing incorrect actuation, e.g. for preventing falsification

Definitions

  • the invention is assigned to the field of meter technology. It relates to a unidirectional counter, which has a bidirectional direction of rotation drive with potential bidirectional rotation drive.
  • Unidirectional counters are designed to totalize and display the consumption of, for example, water, gas or electrical energy. Particularly advantageous is the use of such unidirectional counters in electricity meters and there especially in Ferraris counters. In the following, the present invention focuses on the use of unidirectional counters in Ferraris counters without excluding the use of these counters in other fields, such as the gas industry or the water industry.
  • a rotor disk arrangement is driven due to an electrical mains voltage and an electrical consumption current, which then drives a counter.
  • Such counters may include known number wheels or dials, or may have hands that rotate in front of fixed dials. Rotates the rotor disk assembly and thus the drive of the counter falsely opposite to the ordinary direction of rotation, so by conventional unidirectional counters between the rotor disk assembly and the display this wrong Direction of rotation transformed into the correct direction of rotation for this display.
  • this counter is preferably only one side mountable, which means that it should be mounted either on the front wall or on the rear wall.
  • the counter according to the invention should be comparatively more compact and be able to compensate for electromagnetically induced speed deviations of a driving rotor disk arrangement upon reversal of the direction of rotation.
  • the essence of the invention is to be seen in the fact that two are connected via a worm wheel and an idler gear ratchet-pawl systems in a counter next to each other, wherein the two ratchet-pawls systems differ in that they are considered in isolation only in one direction of rotation - ie either clockwise or anticlockwise - spontaneously effective intervention.
  • the inventive counter allows a comparatively to the prior art much faster switching in socischlichconcem direction of rotation of a drive unit. Even impermissibly manipulated, periodic direction of rotation switching thus lead to a quasi-direct switching from the one engaged ratchet-pawl system to the other ratchet-pawl system, so that the counter display is uninterrupted further uninterrupted summarily driven.
  • ratchet-pawls-system is to be understood an arrangement in which the pawls either engage on a rotating in one direction component either on ratchet teeth of another rotating component or just because of the opposite direction of rotation just do not come to engage and run empty.
  • the two pairs of pawls are arranged on the two system wheels in phase opposition to each other and thus rotate in opposite phases. This means that the first pair of pawls of the first system wheel is in the 12 o'clock position when the second pair of pawls of the second system wheel is currently in the 6 o'clock position. If then both system wheels - which are coupled to each other via the intermediate wheel - to rotate, the forces acting on this intermediate torque torques of the two system wheels compensate completely with the pawls. This balanced arrangement is thus free in any position of such torques, which are due solely to the arrangement itself and thus act statically at standstill of the counter, that is also static.
  • the counter according to the invention has the further advantage of a very compact arrangement, since the worm wheel and the first system wheel or the reversing gear and the second system gear are mounted coaxially with each other on an axis. As a result, even with a one-sided assembly of the axes only vanishingly small bending moments between these axes. Such assembly is also easy and inexpensive feasible.
  • Fig. 1 shows a unidirectional counter in a cut, unwound representation.
  • all counter axes are drawn in a plane, although they actually not arranged in such a way.
  • two active connection arrows 22 and 23 are located.
  • the counter shown is a roller counter, wherein for the sake of simplicity, only a single number of roles 3 is shown as an indicator symbolic of a plurality of side by side coaxially arranged number of roles.
  • the counter is basically suitable for totalizing and displaying when purchasing or supplying energy units in the electricity, gas or water industries. In the following, however, the focus is placed on the totalizing and displaying of electrical energy, and in particular illuminates the reference of such energy units. In no way should the invention be reduced to the embodiment shown and described, since any other use of the counter is conceivable without departing from the invention of the underlying core. Under this premise is also the way of representation by means of numbers roll; Without departing from the spirit of the invention, number discs or hands in front of a dial are also conceivable as display instead of number wheels.
  • the inventive counter is driven by a drive screw 20 which is connected coaxially with a known, not shown, rotor disk assembly.
  • the Fig. 2 clarified in conjunction with Fig. 1 the arrangement of the drive screw 20 with the counter. This is in Fig. 2 a sectional view along the section line BB 'in Fig. 1 shown.
  • the drive worm 20 drives a worm wheel 1 in a counterclockwise direction on a first spur gear toothing 2.
  • This worm wheel 1 has a cylindrical projection 5 coaxially with the first spur gear toothing 2.
  • the inside of the cylindrical projection 5 is provided with a number of ratchet teeth 6, while the outside of the cylinder shoulder 5 carries a further, second spur gear teeth 9 of the worm wheel 1.
  • a reversing gear 10 is rotated clockwise, wherein the drive via a spur gear 18 of the reversing gear 10 takes place.
  • This spur gear toothing 18 is arranged on the outside of a cylindrical projection 11 of the reversing gear 10, wherein on the inside of this cylinder shoulder 11 locking teeth 12 are located.
  • One of these locking teeth 12 is in engagement with a pawl 13 b, which is pivotally mounted on a system wheel 14.
  • Another pawl 13a is also pivotally mounted to the system wheel 14 with both pawls 13a and 13b operatively connected to each other.
  • the system wheel 14 also rotates in a clockwise direction. Via a spur gear toothing 16 on the system wheel 14, an intermediate wheel 4 is connected, which in turn directly drives a number roller 3.
  • the idler 4 is driven in a counterclockwise direction and the number roller 3 in a clockwise direction.
  • the other system 8 is connected via a spur gear 15 arranged on it with the counter-clockwise rotating idler 4 and thus rotates in a clockwise direction.
  • the ratchet pawl system 6, 7a, 7b between the worm wheel 1 and the system wheel 8 is in the counterclockwise rotation of the worm wheel 1 in potential engaged position, so that when a reversal of the worm wheel 1 in the clockwise direction (not shown) an immediate Engage at least one pawl 7a, 7b can be done with a locking tooth 6.
  • the worm wheel 1 and the system wheel 8 would rotate in a clockwise direction.
  • that would Turn idler 4 counterclockwise again and turn number wheel 3 clockwise.
  • the reversing 10 rotates counterclockwise, so that the pawls 13a, 13b of the system wheel 8 are merely striped by the locking teeth 12 and alternately pivoted into the engaged position.
  • the counter is constructed of a comparatively small number of different components compared to the prior art, which enables inexpensive production and assembly. Simplifying added that the entire counter is installed on only a single side of a housing wall for this counter, which makes the assembly easier and quick to do.
  • a complete revolution of the worm wheel 1 in the correct direction of rotation is shown in the counterclockwise direction.
  • the first ratchet pawl system 6, 7a, 7b is located between the worm wheel 1 and the first system wheel 8 in the 6 o'clock position and the second ratchet pawl system 12, 13a, 13b between the reversing wheel 10 and the second system wheel 14 in 12 o'clock position.
  • the Fig. 3b and the Fig. 3c show almost self-explanatory, as the first latching teeth-pawl system 6, 7a, 7b on the 12 o'clock position in the 3 o'clock position, or as the second latching pawl system 12, 13a, 13b on the 6 Clock position is rotated to the 9 o'clock position.
  • Particularly noteworthy is when looking at the sequence of representations in the Fig. 2 and Fig. 3 in that the first latching pawl system 6, 7a, 7b is arranged out of phase with respect to the second latching pawl system 12, 13a, 13b. This means that the two ratchet-pawl systems 6, 7a, 7b, 12, 13a, 13b in phase opposition to each other through all positions of a revolution.
  • a further embodiment of the invention is characterized in that the rotational speed of the counter when changing from forward operation to reverse operation can be different in the simplest way when reversing the direction of rotation and remaining, constant consumption amount.
  • rotor disk arrangements generally have a set, calibrated speed in one direction of rotation during correct operation; however, they can have a different speed when the direction of rotation is reversed and the amount of consumption remains constant than in the correct operating case.
  • this problem can be met very easily by adapting the number of teeth ratio of forward-running gears to backward-running gears accordingly, but this is not explicitly stated is shown.
  • the setting of the number of teeth ratio between the spur gear 9 of the worm wheel 1 and thereby driven spur gear 18 of the reverse gear 10 from the ratio one to the ratio less than one
  • the setting of the number of teeth ratio between the spur gear 15 of the first system wheel 8 and a spur gearing 16 of the second system gear 14 from the ratio one to the ratio less than one.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission Devices (AREA)
  • Gear Transmission (AREA)
  • Lubrication Of Internal Combustion Engines (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Gears, Cams (AREA)
EP01983748A 2000-12-15 2001-11-28 Unidirektionales zählwerk Expired - Lifetime EP1346317B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10062807 2000-12-15
DE10062807A DE10062807C2 (de) 2000-12-15 2000-12-15 Unidirektionales Zählwerk
PCT/IB2001/002248 WO2002048957A1 (de) 2000-12-15 2001-11-28 Unidirektionales zählwerk

Publications (2)

Publication Number Publication Date
EP1346317A1 EP1346317A1 (de) 2003-09-24
EP1346317B1 true EP1346317B1 (de) 2008-10-08

Family

ID=7667454

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01983748A Expired - Lifetime EP1346317B1 (de) 2000-12-15 2001-11-28 Unidirektionales zählwerk

Country Status (7)

Country Link
EP (1) EP1346317B1 (pt)
CN (1) CN1237480C (pt)
AT (1) ATE410749T1 (pt)
AU (1) AU2002215168A1 (pt)
BR (1) BRPI0116149B1 (pt)
DE (2) DE10062807C2 (pt)
WO (1) WO2002048957A1 (pt)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1433728A1 (en) * 2002-12-23 2004-06-30 Mars Incorporated Banknote conveyor
CN102949839B (zh) * 2012-11-16 2014-08-06 李宏义 一种主轴换向机构及滑板
CN105173903A (zh) * 2015-09-29 2015-12-23 江苏建研建设工程质量安全鉴定有限公司 一种电缆绕圈计数装置
DE102019130387B3 (de) 2019-11-11 2020-09-10 Gwf Messsysteme Ag Zählwerk

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3981439A (en) * 1975-09-04 1976-09-21 General Electric Company Unidirectional drive assembly for a gear driven meter register
IT7953349V0 (it) * 1979-06-21 1979-06-21 Borletti Spa Dispositivo numeratore totalizzatore del tipo irreversibile partico larmente per contachilometri di autoveicoli
US4352979A (en) * 1980-12-22 1982-10-05 Westinghouse Electric Corp. Unidirectional register apparatus
US5609074A (en) * 1995-02-08 1997-03-11 Schlumberger Industries, Inc. Unidirectional register for electricity meter

Also Published As

Publication number Publication date
DE10062807C2 (de) 2003-02-06
BRPI0116149B1 (pt) 2016-01-12
ATE410749T1 (de) 2008-10-15
CN1237480C (zh) 2006-01-18
DE50114404D1 (de) 2008-11-20
WO2002048957A1 (de) 2002-06-20
CN1489749A (zh) 2004-04-14
BR0116149A (pt) 2003-10-21
AU2002215168A1 (en) 2002-06-24
DE10062807A1 (de) 2002-07-11
EP1346317A1 (de) 2003-09-24

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