EP0043900B1 - Disque de commutation pour un interrupteur électrique horaire - Google Patents

Disque de commutation pour un interrupteur électrique horaire Download PDF

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Publication number
EP0043900B1
EP0043900B1 EP81103456A EP81103456A EP0043900B1 EP 0043900 B1 EP0043900 B1 EP 0043900B1 EP 81103456 A EP81103456 A EP 81103456A EP 81103456 A EP81103456 A EP 81103456A EP 0043900 B1 EP0043900 B1 EP 0043900B1
Authority
EP
European Patent Office
Prior art keywords
switch
displacement
disc
zone
switching
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
Application number
EP81103456A
Other languages
German (de)
English (en)
Other versions
EP0043900A2 (fr
EP0043900A3 (en
Inventor
Günter Stracke
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.)
Weg-Legrand GmbH
Original Assignee
Weg-Legrand GmbH
Weg-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 Weg-Legrand GmbH, Weg-Legrand GmbH filed Critical Weg-Legrand GmbH
Publication of EP0043900A2 publication Critical patent/EP0043900A2/fr
Publication of EP0043900A3 publication Critical patent/EP0043900A3/de
Application granted granted Critical
Publication of EP0043900B1 publication Critical patent/EP0043900B1/fr
Expired legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H43/00—Time or time-programme switches providing a choice of time-intervals for executing one or more switching actions and automatically terminating their operations after the programme is completed
    • H01H43/02—Details
    • H01H43/04—Means for time setting
    • H01H43/06—Means for time setting comprising separately adjustable parts for each programme step, e.g. with tappets
    • G—PHYSICS
    • G04—HOROLOGY
    • G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
    • G04C23/00—Clocks with attached or built-in means operating any device at preselected times or after preselected time-intervals
    • G04C23/02—Constructional details
    • G04C23/08—Programming means

Definitions

  • the present invention relates to a switching disc for an electrical timer according to the preamble of claim 1.
  • Such switching disks for electrical timers have found widespread use wherever certain circuits, such as for heating systems of various types, cooling and ventilation systems, continue to be switched on and off for automatically controlled systems in the most general sense, precisely in time and generally in accordance with a definable program must be, either because the facility in question requires a time-controlled mode of operation or because - especially in more recent times - the energy requirement should be kept to a minimum.
  • the demands on the time switches have become increasingly stringent in two ways, firstly because the time levels of the switching program need to be set smaller and smaller so that the time program can be adjusted as precisely as possible, and secondly because the program is larger Periods, e.g. B. a week, wants to put together more and more variable from different sections.
  • the weekly disk again with a diameter of approx. 60 mm, can then (see above) be divided into 84 sections, so that each time range of 4 x 0.5 hours switching time can be switched on or off together, in other words, that Resolution is not really reduced or improved to 0.5 hours for the whole week.
  • the setting of the weekly program is very complicated with a combination of two or more switching disks and is difficult or impossible for operators who are not technically trained.
  • DE-A-1 615034 describes a switching disk for an electrical timer according to the preamble of claim 1.
  • the switching elements there have to because of the transverse grooves for the Detent in the two operating positions are very weak in terms of their rigidity and also have a guide bar in the middle over their entire length, but only on the side facing the base plate, have a certain minimum thickness. It follows from this that the program shown on the circumference, divided into switching stages according to the number of switching elements, either permits fewer switching stages, or that the diameter of the switching disk and thus the time switch itself must be dimensioned larger. Since the switching segments are guided exclusively in the grooves of the base plate, they are deflected laterally by the force of the lever or cam scanning the circumference of the switching plate, so that the switching time is not transferred exactly to the switching lever and the switching program is inaccurate.
  • the present invention has for its object to improve a switching disc intended for use in a timer according to the preamble of claim 1 in the sense that it enables significantly shorter switching times than the previously known, without the also essential secondary requirements of captivity the switching elements - which is not fulfilled from the outset with switch riders or switching pins - and sufficient rigidity compared to the sensing element, as well as a responsible manufacturing effort, d. H. manufacturing with the simplest tools possible, despite ensuring the required dimensional accuracy.
  • the basic idea of the invention is that the individual necessary functions of the switching elements and the concentric discs different, z. B. certain, particularly suitable radial or axial zones are assigned so that the guide area is used only for guidance, and the detent and operation in other, for. B. radial and axial zones more expedient for this purpose, so that they in turn are not burdened by the management task.
  • This principle leads to the crucially important feature that the circumferential fractions falling on each switching element can be used in their full size for the width of the switching element plus a fit-air gap that is necessary in terms of production technology and not partially required for the webs between the openings or the like will.
  • the guide web on the switching element, d. H. whose basic body, which is arranged or formed flush with a side surface and with a constant width - in contrast to the wedge-shaped switching elements - and this side surface thus remains in the same surface through the axis of the switching disc when the switching element is displaced, are the geometric relationships particularly effective because the switching element in question in the disengaged position against the direction of rotation of the switching disc, d. H. is supported under the contact pressure of the sensing element of the switching device against the adjacent disengaged or non-disengaged switching element, that is to say it behaves as if it were at least twice the stiffness.
  • the associated tool, with which the switching elements are injection molded or similarly thermoformed can be designed with fewer and larger steps, i. H. be easier.
  • Another advantage is brought about by the asymmetrical design of the cross section of the bead ring in the direction of displacement, because a smaller force has to be applied for disengaging the switching elements than for engaging, which is very convenient for the operation.
  • Fig. 1a the undersides 1, 2 are shown in partial section «A-A through the hub 3 (see FIG. 2) of the cover plate 4, which is partially equipped with the switching elements 5 to 9 and of which the switching element 8 is disengaged;
  • These undersides 1, 2 thus face the switching elements 5 to 9 and thus also the base plate (see FIG. 2) removed from the switching plate and in the outer radius area 10 with radial grooves (e.g. 11) of constant width over the entire length 12 at a distance 13 from each of the one side surfaces 14, 15 is equal to the circumferential fraction corresponding to the number of time stages of the switching program which is periodically equivalent to the rotation of the switching disk, i.e. H. up to that radius at which the switching elements, as will still be shown in connection with FIG.
  • the switching disk rotates in the direction of the dashed circle arrow 18, so that the sensing element indicated by the solid line 19 as arrow 19 practically does not bend when striking the disengaged switching element 8 and thus does not distort the switching time.
  • a side view of the switching element is shown on the left; the main part is formed from the upright, flat cuboid 31 with the nose integrally formed on it at one end, both of which have the maximum thickness of the wedge-shaped base body.
  • the webs 35, 36 are integrally formed with a smaller but constant thickness 37, 38 (cf. right half of FIG. 1b).
  • the upper web 35 extends to the inner end 39 of the nose 32, the lower web 36 over the entire length of the wedge-shaped base body.
  • the lower surface 40 of the lower web 36 is formed on an inner part 41 of the length of the short web 42, which, as will be shown, serves to limit the displacement in the direction of the disengaged position.
  • the arm 44 is integrally attached to the inner end 43 of the base body, so that it - as a tongue-shaped spring element 45 - has the smallest thickness 46 (cf. right half of FIG. 1b) of the wedge-shaped base body.
  • These different thicknesses 37, 38, 46 and 47 at different points on the wedge-shaped base body, namely the cuboid 31, the nose 32, the tongue-shaped spring element 45 and the webs 35, 36 are special in the front view of the switching element of the right half of FIG. 1b good to see. So that the short web 42 does not cause any additional friction effects and only the longitudinal displacement limitation, it is weakened in a wedge shape along its length towards the lower end, so its thickness does not completely fill the width of the short web.
  • FIG. 1c shows a top view of the base plate 67 partially equipped with switching elements 61 to 63 (not disengaged), 64 (disengaged) and 65, 66 (not disengaged) with the base plate 67 cut along “A'-A '” (FIG. 2) Hub 68, the cut sleeve 68a as an annular part of the hub 68 and the axis 69.
  • the lugs 70, 71, ... 75 are integrally formed, at the inner end the tongue-shaped spring elements are z. B. 76 and between this and the nose z. B. 70 are the upper webs z. B. 77 molded in one piece.
  • the switching element 64 Since the grooves, e.g. B. 78 for the invisible lower webs, as they have a constant thickness 79 over their entire length, the switching element 64 remains well fed in the disengaged position along the switching element 63, even if compared to the adjacent switching element 65 on the other side due to the taper of all switching elements, there is an enlarged air gap 80; however, this does not have a negative effect on the stability of the switching element 64, because this can be supported against the switching element 63 when the switching disc rotates in the direction of the ring arrow 81 when loaded by the sensing element symbolically indicated by the arrow 82. Both for Fig. 1a for the cover plate and in Fig.
  • the thickness of the switching elements in the engaged displacement position is equal to the number of the circumference of the switching plate divided by its number at each displacement point minus a manufacturing air gap which is necessary for production purposes, thus has the maximum possible value at all.
  • the groove 78 has in the inner part a section or a short groove 83 with a greater depth for the short web 42 (FIG. 1b); this lower part of the groove serves at its outer end 84 as a stop for the disengaged position of the switching element, while it is closed inwards by the outer wall 85 of the annular bead 86.
  • the wedge-shaped annular bead 86 which can be seen from above in FIG. 1c will also be explained in detail in connection with the cross-sectional illustration of FIG. 2.
  • the cross-sectional drawing in FIG. 2 shows the zone 101, which is formed here in the inner, ie radial, towards the engaged position of the switching elements, in a form-fitting manner with respect to one another and with one another connected to the axis 102 concentric disks of the complete switching disc, which in the adjoining zone 103 form a cylindrical circular empty zone perpendicular to the direction of displacement 104 for the form-fitting accommodation of the switching elements, ie more precisely their upright-flat cuboid 106 sufficient height 105.
  • the cover disk 107 is composed of the inner hub-shaped part in the radial zone 101 and the ring disk-shaped part 108 formed above, the outer ring zone of which the radial grooves z. B. 109 with a constant depth over the length 110 with a radial arrangement according to FIG. 1a.
  • the base disk 111 is positively placed on the actual hub 112 of the hub-shaped part of the cover disk 107 and then contains the annular bead 113 and the cylindrical-circular, ie. H. approximately disc-shaped empty zone 114, which contains the groove 115 with the inner short groove 116 over its entire radial length, of greater but otherwise constant depth than the outer piece of the groove 115.
  • the upper web 117 and the lower web 118 of the switching element in question see FIG.
  • the arm 126 which serves as a tongue-shaped spring element 125, is integrally formed on the core part formed as an upright flat cuboid 106 (cf. also FIG. 1b), the cams 127 of which slide on the surface of the annular bead 113.
  • This design permits lower demands on the design of the tool for the switching element, because the demolding is easier due to the partial shapes associated with the individual different functions of guidance, actuation and detent in the direction of displacement — here radial.
  • the switching element can be applied with a correspondingly small force on the nose 119, for. B. with a finger, by hand without any other aids; Conversely, a greater force must be applied for the engagement from the position 129 shown in dashed lines because of the relatively high steepness of the back piece 130 on which the back flank 131 'slides, but this is readily available because the entire area of a finger is open the outer surface 132 of the nose 119 can be pressed.
  • the cover plate 107 Since the tongue-shaped spring element 125 itself can take over the elastic function in connection with the detent, the cover plate 107, which does not require any radial slots at a distance from the division of the circumference, is also simplified and thus also simplifies the tool for the cover plate.
  • the sensing element - symbolically indicated by arrow 133 - can at least be in the disengaged position on the outer surface of the switching element and bring about one of the two operating states of the switching device readily recognizable that the inner surface 134 or also the upper outer surface 135 of the nose 119 can also be used in an analogous manner, that is to say partially in a reciprocal manner.
  • the base plate is integrally formed on its lower outer surface Ring beads of rectangular (136) or semicircular (137) cross section is equipped, which for assembly reasons including the fit to the rest of the assembly group, for reasons of stiffening of the base plate, ie to ensure dimensional accuracy, especially because of the many and sometimes deep grooves or the like Reasons may be appropriate en;
  • the cover disk has a closed surface, at least in an annular area 108, which is suitable for the application of markings, for example a 24-hour daily scale or a 7 ⁇ 24-hour weekly scale.
  • FIG. 3 shows a variant analogous to the exemplary embodiment in FIGS. 1 and 2, which essentially differs from the latter only in that the direction 201 of the displacement of the switching element 202 is parallel to the axis 203 of the switching disc, which also composed of concentric disks, namely the cylindrical cover disk 204 and the pot-shaped base disk 205 with a form-fitting design and connection in the inner radial zone 206 in the lower part of the base disk 205 and the circular cylindrical empty zone 207 for the core piece 208 of the switching elements 202 is, the webs 212, 213 and the short web 214 in the axial grooves 209, 210 and 211 - exactly analog and correspondingly as in the case of FIG. 2 - out.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Multiple-Way Valves (AREA)

Claims (7)

1. Disque de commutation pour une minuterie électrique, qui comporte deux disques concentriques, à savoir un disque supérieur (107 ; 205) et un disque de base (111 ; 204), qui est entraîné en rotation par un arbre entraîné par un mécanisme d'horlogerie, autour d'un axe (69 ; 102 ; 203), et des évidements, tels que des rainures (109) des perçages ou analogues,
comportant des organes de commutation (61, 66 ; 202) qui sont guidés d'une manière imperdable entre ces disques en étant déplaçables entre une position de repos et au moins une position de travail et dont le nombre est égal au nombre des échelons de temps pouvant être sélectionnés pour un programme de commutation périodique correspondant à la rotation du disque de commutation et que comportent des surfaces latérales (14 à 16) qui sont situées dans un plan contenant l'axe (102, 203) de l'arbre,
et comportant un dispositif de commutation, dont fait partie un commutateur prévu pour un circuit électrique et qui peut être amené par les organes de commutation (61, 66 ; 202), par suite de la détection de la périphérie du disque de commutation, dans l'un de ses états de fonctionnement, éventuellement au moyen d'un dispositif à levier et/ou en liaison avec une came,
et comportant des moyens d'encliquetage et des butées correspondants aux positions décalées des organes de commutation (61, 66 ; 202) nécessaires pour les positions de fonctionnement devant être prises,
caractérisé en ce que
a) les disques situés dans une première zone intérieure (101) sont conformés et agencés en étant réunis concentriquement de telle sorte qu'ils forment, dans la direction de déplacement (104, 201) plusieurs zones cylindriques, qui se raccordent à la zone intérieure (101) en direction du bord opposé, c'est-à-dire que
b) une seconde zone formant zone vide (114) possédant hauteur (105, 216) suffisante perpendiculairement à la direction (104 ; 201) et située entre des surfaces de glissement parallèle et qui sert exclusivement au guidage avec glissement selon une liaison par formes complémentaires des organes de commutation (61 à 66 ; 202), par le fait que
bi) dans cette zone vide (114), des parallélépipèdes plats de chant (106) formant les noyaux des organes des commutation et possédant une forme fermée d'un seul tenant avec des arêtes périphériques rectilignes, remplissent selon la liaison par formes complémentaires la hauteur (105) de la zone vide (114), et
b2) des organes de commutation (61, 66 ; 202) possèdent dans cette zone vide (114) une épaisseur (47) qui est égale à la circonférence, divisée par le nombre desdits organes, du disque de commutation moins un interstice d'adaptation nécessaire du point de vue de la technique de fabrication,
b3) et les organes de commutation (61, 66 ; 202) possèdent, perpendiculairement à la direction de déplacement (104 ; 201) et sur les deux surfaces de glissement (34, 33), des barrettes (117, 118) et une barrette courte (120) parallèles la direction de déplacement et s'étendant suivant cette direction de déplacement,
b3.1) dont les parois latérales (14 à 16) sont parallèles et dont l'épaisseur est égale à la moitié de l'épaisseur des organes de commutation (61 à 66 ; 202) à l'intérieur de la zone vide,
b3.2) et qui possèdent un ergot (119) à l'extérieur de la zone vide (114) au niveau de leur extrémité (124) située à l'opposé en vis-à-vis de la zone intérieure (101) pour permettre une modification manuelle du réglage des organes de commutation (61, 66 ; 202),
c) qu'une troisième zone supplémentaire, se raccordant perpendiculairement à la direction de déplacement (104 ; 201) sur une partie de la longueur de la zone vide (114) et comporte des évidements (par exemple la rainure 109 et la rainure courte 116) possédant une profondeur (110) et/ou une largeur (12) constante suivant la direction de déplacement, disposées en vis-à-vis dans des surfaces l'une vers l'autre de la zone, vide (114).
C1) et dont les extrémités longitudinales servent, suivant la direction de déplacement (104 ; 201) de butées pour la barrette contre (120) et pour l'ergot (119) et
C2) dont la largeur (11) est, aux écarts de tolérance prêts au jeu nécessaire, égale à l'épaisseur (44) des organes de commutation (61 à 66 ; 202) dans la région de la zone vide (114),
d) et qu'il est prévu enfin une quatrième zone située entre la première zone (101) et la zone vide (114) comportant un rebord annulaire (113) situé sur l'un des disques (107, 111 ; 205, 204) pour l'encliquetage, réalisant simultanément un rappel des organes de commutation (61 à 66 ; 202) dans la position respective de fonctionnement grâce à un bras en console (126) de l'organe de commutation, réalisé sous le format d'un organe élastique (125) en forme de languette, en direction de la première zone intérieure (101).
2. Disque de commutation pour une minuterie électrique suivant la revendication 1, caractérisé par le fait que des évidements (par exemple les rainures 109, 115, la rainure courte 116, des perçages) sont ménagées radialement dans les disques (107, 111) et sont perpendiculaires à l'axe 102 de l'arbre.
3. Disque de commutation pour une minuterie électrique suivant la revendication 2, caractérisé par le fait que l'une (115) des rainures possède une profondeur, qui est supérieure à celle de l'évidement comportant une partie (rainure courte 216) décalée en direction de la position d'extrémité suivant la direction de déplacement, et que la barrette associée possède une barrette courte (230) raccourcie de la course de déplacement, avec une hauteur supérieure correspondante et une largeur identique au niveau du pot où elle est façonnée, l'extrémité (paroi extérieure 121) de la rainure - (rainure courte 116) - qui possède une profondeur plus importante, servant de butée pour la barrette courte (120).
4. Disque de commutation pour une minuterie électrique suivant l'une des revendications 1 à 3, caractérisé en ce que l'une (la barrette supérieure 117) des deux barrettes (116, 117) est disposée vers l'intérieur suivant la direction de déplacement (104 ; 201) dans une position contiguë à l'ergot (119 ; 115) de l'organe de commutation (61, 66 ; 202) et que la rainure (109) associée à cette barrette (117) s'étend suivant la direction de déplacement (104 ; 201, jusqu'au bord extérieur 124) de l'un des disques (111 ; 205).
5. Disque de commutation pour une minuterie électrique selon l'une des revendications 1 à 4, caractérisé en ce que les évidements, (par exemple les rainures 11 ; 78, la rainure courte 84 et/ou des perçages ou des barrettes 35 ; 77) sont disposés en étant de niveau avec l'une des surfaces latérales (16) des organes de commutation (61, 66 ; 202), qui est situé dans la surface contenant l'axe (62) et/ou prend appui dans le cas d'une contrainte exercée par des pièces mécaniques (flèche 82) du dispositif de commutation, contre la surface latérale, appliquée par l'intermédiaire de l'interstice d'adaptation, de l'organe de commutation voisin (63).
6. Disque de commutation pour une minuterie électrique selon l'une des revendications 1 à 5, caractérisé en ce que les disques concentriques, qui délimitent la zone vide (114) sont réalisés en soi séparément et en commun sous la forme d'une pièce de guidage d'un seul tenant de forme cylindrique.
7. Disque de commutation pour une minuterie électrique selon l'une des revendications 1 à 6, caractérisé en ce que la forme en coupe transversale du rebord annulaire (116) qui fait saillie en forme de coin, c'est-à-dire sa section transversale en forme de coin suivant la direction de déplacement (104), est réalisée avec des inclinaisons dissymétriques, en particulier avec une pente supérieure du flanc arrière (130) en direction de la position de repos des organes de commutation (figure 2).
EP81103456A 1980-05-21 1981-05-07 Disque de commutation pour un interrupteur électrique horaire Expired EP0043900B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19803019325 DE3019325A1 (de) 1980-05-21 1980-05-21 Elektrische schaltuhr mit einer schaltscheibe
DE3019325 1980-05-21

Publications (3)

Publication Number Publication Date
EP0043900A2 EP0043900A2 (fr) 1982-01-20
EP0043900A3 EP0043900A3 (en) 1982-01-27
EP0043900B1 true EP0043900B1 (fr) 1984-12-19

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EP81103456A Expired EP0043900B1 (fr) 1980-05-21 1981-05-07 Disque de commutation pour un interrupteur électrique horaire

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EP (1) EP0043900B1 (fr)
DE (2) DE3019325A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2026146A2 (fr) 2007-08-16 2009-02-18 Legrand-BTicino GmbH Disque de commutation pour un interrupteur horaire

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3321539A1 (de) * 1983-06-15 1984-12-20 Diehl GmbH & Co, 8500 Nürnberg Schaltscheibe einer zeitschaltuhr
DE3825267A1 (de) * 1988-07-26 1990-02-01 Weg Legrand Gmbh Programmtraeger fuer eine elektrische schaltuhr
DE58901678D1 (de) * 1988-07-26 1992-07-23 Legrand Gmbh Programmtraeger fuer eine elektrische schaltuhr.
DE4016222C3 (de) * 1990-05-19 1997-07-17 Diehl Gmbh & Co Schaltscheibe einer Zeitschaltuhr
DE19533145A1 (de) * 1995-09-08 1997-03-13 Diehl Gmbh & Co Zeitschaltuhr

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1615034A1 (de) * 1951-01-28 1970-05-14 Westdeutsche Elektrogeraete Elektrische Schaltuhr
GB1399152A (en) * 1972-03-02 1975-06-25 Amf Inc Time switches
DE2510486A1 (de) * 1975-03-11 1976-09-30 Westdeutsche Elektrogeraete Elektrische schaltuhr mit einer schaltscheibe und mit einer schalteinrichtung fuer elektrische schaltkreise
DE7627289U1 (fr) * 1976-09-01 1977-12-08 Fa. Diehl, 8500 Nuernberg
DE2845272C2 (de) * 1978-10-18 1982-12-16 Dieter Gräßlin Feinwerktechnik, 7742 St Georgen Zeitscheibe mit Schaltreitern für Schaltuhren

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2026146A2 (fr) 2007-08-16 2009-02-18 Legrand-BTicino GmbH Disque de commutation pour un interrupteur horaire
DE102007038569A1 (de) 2007-08-16 2009-02-26 Legrand-Bticino Gmbh Schaltscheibe für eine Schaltuhr

Also Published As

Publication number Publication date
DE3019325A1 (de) 1981-11-26
EP0043900A2 (fr) 1982-01-20
DE3019325C2 (fr) 1988-09-22
EP0043900A3 (en) 1982-01-27
DE3167801D1 (en) 1985-01-31

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