EP0271634B1 - Rollenzählwerk - Google Patents

Rollenzählwerk Download PDF

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Publication number
EP0271634B1
EP0271634B1 EP19870109824 EP87109824A EP0271634B1 EP 0271634 B1 EP0271634 B1 EP 0271634B1 EP 19870109824 EP19870109824 EP 19870109824 EP 87109824 A EP87109824 A EP 87109824A EP 0271634 B1 EP0271634 B1 EP 0271634B1
Authority
EP
European Patent Office
Prior art keywords
drum
digit
tooth
indexing
drums
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
EP19870109824
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0271634A1 (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.)
Electrowatt Technology Innovation AG
Original Assignee
Landis and Gyr Betriebs 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 Betriebs AG filed Critical Landis and Gyr Betriebs AG
Publication of EP0271634A1 publication Critical patent/EP0271634A1/de
Application granted granted Critical
Publication of EP0271634B1 publication Critical patent/EP0271634B1/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
    • G06M1/28—Design features of general application for zeroising or setting to a particular value
    • G06M1/283—Design features of general application for zeroising or setting to a particular value with drums
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06M—COUNTING MECHANISMS; COUNTING OF OBJECTS NOT OTHERWISE PROVIDED FOR
    • G06M1/00—Design features of general application
    • G06M1/14—Design features of general application for transferring a condition from one stage to a higher stage
    • G06M1/16—Design features of general application for transferring a condition from one stage to a higher stage self-operating, e.g. by Geneva mechanism
    • G06M1/163—Design features of general application for transferring a condition from one stage to a higher stage self-operating, e.g. by Geneva mechanism with drums

Definitions

  • the invention relates to a roller counter according to the preamble of claim 1.
  • Roller counters are used where sizes are counted, for example in electricity meters, water meters, heat meters, but also in distance meters or the like.
  • Such roller counters consist of number rollers mounted on one axis, which have the numbers 0 to 9, and switching rollers, which are usually arranged on an axis parallel to them and which, together with the number rollers, perform the tens transfer.
  • the counting result is represented by a combination of one number from each number roll, which appears in a reading line on the number rolls, which is usually covered by an aperture.
  • They have reset devices that decouple the number rollers from the switching rollers and that either always reset the roller counter to zero.
  • a heart-shaped cam is used, or with which you can set any number combination, including all zeros, mainly by hand. In energy metering, meters with a setting according to the latter type are predominantly used.
  • a driver on the number roller of the lower point takes teeth of the associated shift roller after each full rotation, and this transfers the movement to the number roller of the higher point, with the ring gear of which the shift roller is constantly engaged with teeth.
  • the number roll at a higher position is rotated by exactly one digit. For this movement, at least two teeth of the control roller and thus also the ring gear of the number roller of the higher position are required.
  • CH-PS 585 936 describes a roller counter in which the eight-toothed switching rollers have two square extensions in both axial directions. There are leaf springs on them, which try to hold the switching rollers in one of four positions. In the case of a transfer of tens, the game is reduced and the formation of steps is reduced.
  • the device is also suitable for preventing the adjustment of a digit by a partial step of the digit spacing when resetting or setting a new number combination. However, the device requires a larger torque, more components and a larger width than the previous roller counters.
  • Another roller counter is known from DE-OS 34 07 457, in which the switching rollers sit on an axis which is fastened to two resilient elements in such a way that their distance from the number roller axis can be increased.
  • the shift rollers each have four short and four long teeth. in the In the operating state, the teeth of the switching roller are held in engagement with the ring gear of the number roller by means of a slide.
  • the intervention is released, the switching roller goes to a stop with an opening for the long tooth opposite the long tooth that has been in engagement.
  • the control roller is thus held in its angular position. If the new number combination is selected on the number rollers, the long tooth is pushed into the corresponding tooth space on the number wheel for engagement. This arrangement does not prevent the stair formation in the multiple tens transmission. It requires significantly more and more complicated components than previous roller counters.
  • the invention has for its object to provide a roller counter of the type mentioned that reliably prevents a step-like stringing of the digits when resetting or setting a new number combination, an adjustment of the digits by partial steps of a digit spacing as well as multiple tens transmissions in one direction and not requires more components than previous roller counters.
  • Fig. 1 shows a roller counter, which does not differ in this view from the prior art. It consists of a housing 1 in which a number roller axis 2 is fastened at two points and on which number rollers 3 which are rotatable thereon are attached. Parallel to the number roller axis, a switching roller axis 4 is also attached to two points of the housing 1, on which switching rollers 5 are rotatably arranged. These switching rollers 5 have teeth, all of which have the same pitch, but alternately have two different shapes. The number roll lowest point 3 ⁇ is driven by a sprocket with a narrow pitch 6 by a step switch, not shown.
  • the tens transfer takes place when the driver device 7 has made a full rotation of a number roller 3 at the lower point and takes the associated shift roller 5 with it by an angle of rotation corresponding to a number step, whereupon the shift roller in turn transports the number roller 3 higher position by one number step.
  • all number rollers 3 have a higher ring gear 8, engage in the teeth of the associated shift roller 5 continuously.
  • the number roller 3 carries a treadmill, which contains the driving device 7 and prevents the numbers attached to the number rollers 3 from being damaged as a result of abrasion by the switching rollers 5.
  • the treadmill can be omitted, so that with the same number size on Roll counter width is saved.
  • the engagement of the teeth between the switching rollers 5 and the number rollers 3 must be released, which is done, for example, by a parallel displacement of the number roller axis 2 or the switching roller axis 4 or by other means can be.
  • a number roll 3 is drawn in FIG. 2, specifically in FIG. 2a from the number roll 3 of the next lower position, in FIG. 2b from the number roll 3 of the next higher position. 2a, the ring gear 8 is shown, which causes the tens transmission. It has numerical roller teeth 10 of the same tooth width, which alternately have a large pitch 11 and a small pitch 12. The large pitch 11 has a deep tooth base 13 and the small pitch 12 has a flat, d. H. one with respect to this higher tooth base 14. The teeth are involute teeth.
  • the ring gear 8 of the number roller 3 has twenty teeth if it has ten digits.
  • the side of the number roller 3, which initiates the tens transfer, is shown in FIG. 2b.
  • the switching roller 5 is shown, in a top view from the side of the number roller 3 of the lower position in Fig. 3a and in a top view of the end face in Fig. 3b.
  • the switching roller 5 has eight teeth, alternately wide Shifting roller teeth 18 and narrow shifting roller teeth 19.
  • the narrow indexing roller teeth 19 have, in the same order, first a narrow engaging tooth 22, the tooth height of which is somewhat lower than that of the wide engaging tooth 20, and which engages in the flat tooth root 14 of the ring gear 8 of the number roller 3 with a higher number of digits. Then follows over the remaining width of the switching roller 5, a somewhat lower tooth part 23, which can engage both in the space between the two pins 15, 15 ⁇ and in the semicircular recess 16 on the driver device of the number roller 3 of the lower position. Each pair of a narrow indexing roller tooth 19 and a wide indexing roller tooth 18 corresponds in width to the digit spacing on the number roller 3.
  • the engagement teeth 20 and 22 are involute teeth.
  • FIG. 4 shows the transmission from the number roller 3 at the lower point to the switching roller 5.
  • the first pin 15 of the driving device 7 on the number roller 3 has just reached the shoulder 21 on the switching roller 5 after a full revolution and begins to do the switching roller 5 to turn with.
  • this rotation has progressed so far that the tooth part 23 of the narrow switching roller tooth 19 now in the space between the two pins 15 and 15 ⁇ and in the semi-recessed recess 16th the driver is immersed.
  • the point at which the tooth part 23 of the narrow switching roller tooth 19 is gripped by the second pin 15 ⁇ and takes over the continuation of the movement is shown in FIG. 4c.
  • FIG. 5 shows the interaction of the switching roller 5 with the ring gear 8 of the number roller 3 of the higher position. It can only, as shown in FIG. 5a, engage a wide switching roller tooth 18 in the deep tooth base 13 or a narrow switching roller tooth 19 in a flat tooth base 14. Another position is not possible, as can be seen from FIG. 5b, since when the narrow switching roller tooth 19 engages in the deep tooth base, an overlap 24 of the teeth of the ring gear 8 and the teeth of the switching roller would result, as shown in FIG. 5b by hatching the overlapping point is indicated.
  • the stair formation in the tens transmission is a result of the play between the pins and teeth of the number rollers 3 and the switching rollers 5.
  • the driving devices 7, as said, have a shift compared to the numbers applied to the number rollers 3, which lead the size of the average Game is in the tens transfer. As a result, this is initiated early and the staircase formation is reduced.
  • the meshing teeth of the number rollers 3 and the switching rollers 5 are involute teeth, which leads to better running properties and reduces the play between the running toothed rollers 3 and switching rollers 5 with the same tolerances. This also reduces the staircase formation when transferring tens.
  • the tooth necks On all teeth, the tooth necks, insofar as they can be touched by another part of the roller counter during the course of the movement, are designed radially to the relevant roller, so that no radial forces can be transmitted. This causes a jerk-free transition in the transmission of tens in the drive of the extension 21 to the tooth part 23 of the narrow switching roller tooth 19 by the driver device 7, which also reduces the formation of stairs.
  • the direction of rotation of the roller counter is reversed. After reversing the direction of rotation in the case of the roller counter described in the case of multiple tens transmission, a stair formation. However, this is irrelevant for most roller counters used in energy meters, since they always keep the direction of rotation. In the case of the roller counter described, however, the stair formation after reversing the direction of rotation is not greater than in the case of roller counters according to the prior art.
  • roller counter With the roller counter described, the digits cannot be adjusted by partial steps of the digit spacing when resetting or setting a new number combination. In the case of multiple tens transmissions in the usual direction of rotation, there is no step formation of the row of digits and after reversing the direction of rotation of the roller counter, the step formation does not become larger than in known roller counters. No additional parts are required, the parts are only designed differently.
  • the roller counter therefore consists only of a housing 1, the number rollers 3, the switching rollers 5, the associated axes and a device for decoupling the switching rollers 5 from the number rollers 3. It can be assembled and required in a very simple manner, since some of its individual parts are larger Tolerances and easier to manufacture, lower manufacturing costs than known roller counters.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Transmission Devices (AREA)
  • Delivering By Means Of Belts And Rollers (AREA)
  • Measurement Of Distances Traversed On The Ground (AREA)
  • Slot Machines And Peripheral Devices (AREA)
EP19870109824 1986-11-13 1987-07-08 Rollenzählwerk Expired - Lifetime EP0271634B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4533/86 1986-11-13
CH453386 1986-11-13

Publications (2)

Publication Number Publication Date
EP0271634A1 EP0271634A1 (de) 1988-06-22
EP0271634B1 true EP0271634B1 (de) 1992-04-29

Family

ID=4277867

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19870109824 Expired - Lifetime EP0271634B1 (de) 1986-11-13 1987-07-08 Rollenzählwerk

Country Status (7)

Country Link
EP (1) EP0271634B1 (da)
JP (1) JPH0517724Y2 (da)
AU (1) AU604267B2 (da)
DE (1) DE3778663D1 (da)
DK (1) DK168416B1 (da)
ES (1) ES2031092T3 (da)
GR (1) GR3004814T3 (da)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH082754Y2 (ja) * 1990-05-24 1996-01-29 矢崎総業株式会社 外ピニオン式積算計

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH585936A5 (en) * 1975-05-21 1977-03-15 Sodeco Compteurs De Geneve Forward drive blocking arrangement for rotary counters - brings forward drive pinions out of engagement with number rolls for resetting to zero
CH661601A5 (de) * 1984-01-31 1987-07-31 Sodeco Compteurs De Geneve Rollenzaehlwerk mit nullstell-einrichtung.

Also Published As

Publication number Publication date
DE3778663D1 (de) 1992-06-04
AU604267B2 (en) 1990-12-13
JPH0517724Y2 (da) 1993-05-12
ES2031092T3 (es) 1992-12-01
DK595087A (da) 1988-05-14
JPS6389174U (da) 1988-06-10
DK168416B1 (da) 1994-03-21
EP0271634A1 (de) 1988-06-22
AU8094687A (en) 1988-05-19
GR3004814T3 (da) 1993-04-28
DK595087D0 (da) 1987-11-12

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