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
• • 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
  • H01H43/065—Means for time setting comprising separately adjustable parts for each programme step, e.g. with tappets using cams or discs supporting a plurality of individually programmable elements (Schaltreiter)

Definitions

• the invention relates to a time switch with at least a first and a second elastic spring element, each of which is provided with at least one switching contact, and with a rotatably driven shift drum, which has a plurality of shift elements which can be optionally adjusted into an effective or ineffective shift position with respect to a rotatably mounted shift lever , by means of which the shift lever is rotatably deflected from an inactive starting position into a switching position and brings the first spring element with its switching contact into contact with the switching contact of the second spring element to carry out a switching operation, and the switching lever for further rotation of the shift drum Sudden disconnection of the switching contacts suddenly falls back into its starting position.
• a timer of the generic type is known from DE 27 54 212 B1, which has at least one first and one second switch contact, which are arranged on a first and a second, elastic, approximately leaf spring-like spring element.
• a double switching star which can be driven in one direction of rotation and which has two coaxial, half a tooth part has shift sprockets offset from each other. These shift sprockets are provided with ratchet teeth, each of which actuates one or more spring elements of the switching contacts to perform a switching operation.
• switching levers are provided between the switching sprockets and the spring elements of the switching contacts to be actuated, each of which engages in one of the switching sprockets of the double switching star by means of a directional locking lug formed on the switching lever.
• the gear ratchets alternately or successively deflect the shift levers and, after a ratchet tooth of the respective gear sprocket has brushed past the respective directional locking lug of the respective shift lever, suddenly or suddenly return to their starting position, which causes a sudden or sudden shifting process becomes.
• the switching times which can be achieved with this known time switch are essentially predetermined by the number of locking teeth present on the switching toothed rings arranged offset from one another. Different switching times can only be achieved with this time switch by exchanging the switching tooth limit. This means that this known timer is precise
• time switches have become known, for example from DE 28 13 069 C2, in which a switching drum is used.
• the shift drum is provided with shifting elements which can be switched from an active position to an ineffective position.
• a switching lever is actuated by the switching elements during the rotation of the shift drum, which in turn activates a microswitch.
• the number of adjustable switching times is accordingly dependent only on the number of switching elements arranged on the circumference of the shift drum. The greater this number of switching elements, the smaller the switching distances between the individual switching processes can be set.
• the switch lever is formed in this known timer as a double-armed scanning lever, which is held by a spring against a switching plunger of the microswitch.
• the switching elements deflect the scanning lever against a spring force from a starting position into a switching position, so that the microswitch is actuated via its switching plunger. If several switching elements are switched to their active position, the scanning lever slides in its active position. long along the circumferential surface of these switching elements during the rotation of the shift drum until one or more switching elements are reached which are switched to an inactive position. At the end of the last active switching element, the scanning lever suddenly falls back into its starting position, so that the microswitch is suddenly opened again during this switching operation or is switched to its starting position. As the shift drum rotates further, the scanning lever with a shift lug again runs against an actively switched shift element and is relatively slowly deflected from its starting position into its shift position.
• the disadvantage here is that the microswitch is also actuated only extremely slowly with this extremely slow movement of the shift lever, so that its shift position or shift time can only be determined extremely imprecisely.
• the invention has for its object a
• a locking lever is provided which is moved during the closing process by the first spring element actuated by the switching lever in the direction of the second spring element, and in that the locking lever during a first switching phase of the Closing in a locking position by a locking lug is positively engaged with the second spring element and the two spring elements with their switching contacts under tension at a predetermined distance from each other, and that the locking lever during a second switching phase following the first switching phase from its Locked position is deflected by a deflecting element that is operatively connected to the latching lever at least during the second switching phase and suddenly releases the second spring element of the second switching contact for suddenly closing the switching contacts.
• a latching lever is provided, which is moved in the direction of the second spring element during the closing process by the first spring element actuated by the switching lever.
• the locking lever is in a positive connection with the second spring element via a locking lug, so that the second spring element is held with its switching contact at a predetermined distance from the switching contact of the first spring element. This means that the locking lever is in a locked position during this first switching phase of the closing process and is positively engaged with the second spring element by the locking lug.
• this first shift phase is followed by a rectified second shift phase, in which the latching lever is deflected out of its blocking position by a deflecting element which is connected to the latching lever at least during the second shifting phase.
• the latching or blocking connection between the latching lug of the latching lever and the second spring element of the second switching contact is abruptly canceled, for example by swiveling out the latching lever for suddenly closing the switching contacts.
• this latching lever is arranged in such a way that it is in a locked position in the first switching phase, in which the two spring elements are held with their switching contacts by the latching lever under prestress at a predetermined distance from one another.
• the latching lever engages with the first spring element of the second switching contact.
• the shift lever is deflected extremely slowly by an actively switched shift element of the rotationally driven shift drum due to the extremely low rotation per unit time of the shift drum.
• the first spring element of the first switching contact is slowly moved by the switching lever in the direction of the second spring element of the second switching contact.
• the two switching contacts of the first spring element and the second spring deriatas can not come into contact with each other due to the locking lever lying between the spring elements in the locking position.
• both spring elements are under a certain elastic preload.
• the locking lever is deflected from its locked position with increasing adjusting movement of the spring elements.
• the ratchet lever releases the second spring element of the second switching contact, so that the switching contacts close abruptly, the deflection of the latching lever takes place via a deflecting element which, depending on the arrangement and mounting of the latching lever, for example a stationary adjusting pin or also can be a kind of ramp along which or which the locking lever slides during the second switching phase of the closing movement.
• a deflecting element which, depending on the arrangement and mounting of the latching lever, for example a stationary adjusting pin or also can be a kind of ramp along which or which the locking lever slides during the second switching phase of the closing movement.
• the actual shift lever has a touch finger, which rests on the circumferential surface of the shift drum.
• the switching elements of such a switching drum deflect this switching lug radially towards the switching drum towards the outside, so that the switching lever carries out a pivoting movement, by means of which the switching process of the spring elements with their switching contacts is effected.
• the deflection is usually extremely slow, since the switching lug forms a type of ramp with which it is deflected along an actively switched switching element slides outward as the shift drum rotates slowly. Since, as a rule, several shift elements of the shift drum are activated, this active shift position of the shift lever is maintained until the last actively shifted shift element has moved past the shift nose of the shift lever.
• this switching lug suddenly falls radially inward again, so that the switching lever suddenly falls back into its original position. Due to this sudden falling back, the first spring element of the first switching contact is suddenly released again, so that it moves back into its original position. The locking lever snaps back into the starting position on the second spring element so that a new switching operation can be initiated to close the switching contacts.
• the switching times for switching on and off ie for closing or separating the switching contacts
• the switching times for switching on and off can be determined extremely precisely.
• there is no need for additional adjustment devices for determining these switching times Due to the rapid closing and opening of the switch contacts, a considerably lower erosion of the switch contacts themselves is also achieved.
• the strength of the spring elements or the elasticity of these spring elements the switching forces or the contact forces between the switching contacts can be clearly determined in a simple manner, so that an optimal contact closure is always guaranteed.
• the time switch according to the invention can be used for the precise switching of the energy supply from one consumer to a second consumer.
• a third spring element with a third switching contact is assigned to the first and second spring element, the switching contact of which is in permanent electrical contact with a fourth switching contact arranged on the second spring element until the second spring element is suddenly released by the locking lever during the second switching phase.
• the latching lever is provided with a switching finger, by means of which the third spring element with its third switching contact is released at a predetermined distance from the fourth after the sudden release of the second spring element Switch contact of the second spring element is held.
• the locking lever for deflecting it from its locked position is provided with a deflection lever which runs against a stop at the beginning of the second switching phase. This configuration ensures extremely simple and inexpensive manufacture of the time switch.
• the arrangement of the stop and also the shape and the arrangement of the deflection lever on the locking lever are coordinated with one another such that the deflection of the shift lever increases disproportionately with increasing switching movement of the spring elements with their switching contacts or the shift drum.
• This measure also makes it possible to determine the precise switching time considerably more precisely. This means that the speed of the deflecting movement of the locking lever increases steadily with a constant rotational movement of the shift drum towards the end of the second shift phase. Thus, a slight rotary movement of the shift drum at the end of the shift phase causes a large deflection of the locking lever, so that the shift point can be set extremely precisely.
• the bearing axis of the actual shift lever can serve as a stop for the lever of the locking lever. This results in a reduction in the number of components of the time switch and thus an inexpensive manufacture.
• a slide switch can be provided, which from an initial position to a first switching Position can be brought.
• the shift lever In this first shift position, the shift lever is permanently fixed in its shift position.
• the switching lever When the slide switch is moved from the starting position into its first switching position, the switching lever is thus simultaneously brought into its switching position.
• the switching contacts of the two spring elements in the time switch according to the invention can thus be brought into permanent contact in the simplest manner. This can be necessary, for example, in the case of time-controlled lighting, if light is required for a longer period than the actual time switch. Furthermore, such a circuit is also necessary in order to be able to briefly test the function of a consumer, for example, without having to change the time setting of the time switch.
• the slide switch is in a second
• the translational switching movement of the slide switch for deflecting the second spring element is transmitted to the second spring element by a lever mechanism.
• This lever mechanism allows the slide switch to be arranged extremely variably and easily accessible from the outside in the housing of the time switch.
• the inventive design of the time switch provides a time switch in which the switching times, i.e. the disconnection and closing of the switching contacts can be set extremely precisely.
• the two spring elements of the first switching contact and the second switching contact can be brought into two permanent switching positions, which enable two permanent switching operations, namely permanent disconnection of the switching contacts and permanent closing of the switching contacts.
• Figure 1 is an elevation of a timer according to the invention.
• FIG. 2 shows the switching elements of the time switch according to the invention from FIG. 1 in a perspective exploded view; 3 shows the switching elements from FIG. 2 in a partially assembled state in their functional context;
• Figure 4 is a perspective view of the fully assembled switching elements of the timer according to the invention together with the shift drum.
• FIG. 5 shows the switching elements of the time switch according to the invention in a side view at the beginning of a first switching phase
• FIG. 6 shows the switching elements from FIG. 5 at the end of the first switching phase or at the beginning of the second switching phase
• FIG. 7 shows the switching elements from FIGS. 5 and 6 at the end of the second switching phase
• FIGS. 5 to 6 shows the switching elements from FIGS. 5 to 6 with switching contacts that are constantly in contact;
• FIG. 10 is a side view of an embodiment of spring elements with a molded locking lever
• FIG. 11 shows a perspective illustration of an embodiment of the mounting of the latching lever on a spring element
• Fig. 12 is a side view of switching elements in their
• FIG. 13 shows the switching elements from FIG. 12 in their switched end position.
• Fig. 1 shows a timer 1 of the type according to the invention, the housing 2 is shown open. Due to the special shape of the housing 2, such a time switch 1 is provided, for example, for use in electrical control cabinets.
• a shift drum 3 is rotatably mounted in the housing 2. This shift drum is driven via a plurality of gear wheels 4, 5 and 6 and two worm gears 7 and 8, for example by a synchronous motor 9. Of course, any other suitable motor rotating at constant speed can also be used as the drive.
• the translation is for example like this. chosen that the shift drum 3 in the direction of arrow 10 in 24 hours or, e.g. in so-called weekly clocks, makes a full rotation of 360 ° in seven days.
• the shift drum 3 has a variety of on its circumference
• Switching elements 11 and 12 which are provided for actuating a shift lever 13.
• the switching elements 11 and 12 are adjustable in their radial position in relation to the switching drum 3.
• the switching elements 11 with their outer surface elements 14 lie radially further outward than the switching elements 12 with their surface elements 15.
• the switching elements 11 and 12 thus form a stepped circumferential surface of the shift drum 3 in the circumferential direction. This stepped circumferential surface of the shift drum 3 is scanned by the shift lever 13.
• the shift lever 13 is rotatably mounted on a pivot axis 16, this pivot axis 16 being arranged parallel to the axis of rotation 17 of the shift drum 3 in the housing 2 of the timer 1.
• the shift lever 13 is located radially outside of the shift drum 3.
• the shift lever 13 is designed as a double lever and has a feeler lever section 18 and an actuating section 19 which is substantially diametrically opposite with respect to the pivot axis 16.
• the feeler lever section 18 is provided with a feeler finger 20 which extends transversely to the feeler lever section 18 and, in the starting position of the shift lever 13 shown in FIG. 1, engages in the circumferential recess 21 of the shift drum 3 formed by the shift elements 11 and 12.
• the touch finger 20 lies on the outer surface of the radially inner switching elements 12.
• a first spring element 22 and a second spring element 23 are arranged in the housing 2 of the time switch 1, which spring spring has a first switch contact 24 and a second switch contact 25 in the area of the actuating section 19 of the switch lever 13 are provided.
• These two spring elements 22 and 23 are, as can be clearly seen from FIG. trained like this.
• the first spring element 22 is arranged with its lower end opposite the switch contact 24 together with a guide plate 26 in a housing receptacle 27.
• the guide plate 26 is in electrical contact with the spring element 22 which carries the switch contact 24.
• a second housing receptacle 28 is provided, in which the lower end of the second spring element 23 opposite the second switching contact 25 is received together with a second guide plate 29.
• the two guide plates 26 and 29 each lead to a connection terminal 30 and 31, to which an electrical consumer can be connected.
• a stop pin 32 is provided on the housing 2, for example, which prevents the second spring element 23 with its second switching contact 25 from moving towards the first spring element 22 with its first switching contact 24.
• a stop pin 34 is provided on the back 33 of the first spring element 22, which is part of the free end of the actuating section 19 of the switching lever 13.
• the spring element 22 is slightly bent under prestress by the stop pin 34 of the actuating section 19 in the direction of the second spring element 23. This ensures that the first spring element 22 rests on the stop pin 34 without play.
• a locking lever 35 is provided above the first switching contact 24, which is rotatably mounted at the upper end via a corresponding bearing pin 36 in a bearing eye 37 of the spring element 22.
• the latching lever 35 In its end region opposite this bearing journal 36, the latching lever 35 has a latching lug 38 which runs transversely to the latching lever 35 and points downward.
• the locking lever 35 forms a support surface 39 in front of the locking lug 38, with which the locking lever 35 rests on the upper end edge 40 of the second spring element 23 in an unloaded state.
• a spring element can be provided, by means of which the locking lever 35 with its bearing surface 39 is pressed against the end edge 40 of the second spring element 23.
• This spring element for the locking lever 35 is not shown in the drawing for reasons of clarity.
• an upwardly directed deflection lever 41 which extends transversely to the locking lever 35 and which extends from the locking lever 35 to beyond the pivot axis 16 of the switching lever 13. In the starting position shown in FIG.
• the deflection lever 41 is not in contact with the pivot axis 16. Furthermore, the distance of the latching lug 38 with its stop surface 42 from the bearing journal 36 is selected such that the stop surface 42 does not touch the second spring element 23.
• Such dimensions of the locking lever 35 are not mandatory, but it is ensured by this configuration that the two spring elements 22 and 23 assume a defined, slightly preloaded initial position, as can be seen from FIG.
• a switching slide 43 is provided, which on the one hand has a link lever 44 of the switching lever 13 and a lever mechanism consisting of the two bellcranks 45 and 46, cooperates.
• Fig. 2 shows an enlarged view of the individual components belonging to the switching mechanism in an enlarged, perspective exploded view.
• the respective upper ends of the spring elements 22 and 23 are shown in FIG. 2, in the end region of which the first switching contact 24 on the first spring element 22 and on the other hand the second switching contact 25 on the second spring element 23 are arranged.
• the distance of the switching contacts 24 and 25 shown in FIG. 2 corresponds to the distance shown in FIG. 1 in the starting position of the switching lever 13.
• its bearing eye 37 can be seen, which as an integral part of the first spring element 22 a curved spring section is formed.
• the first spring element 22 has a recess 47, which serves to receive the locking lever 35.
• the bearing pin 36 of the locking lever 35 extends transversely to the locking lever 35 and, as can be seen in particular from FIG. Send insertable into the bearing eye 37 of the spring element 22 with little play.
• the locking lug 38 of the locking lever 35 In the area of its end opposite the bearing pin 36, the locking lug 38 of the locking lever 35 can be seen, which projects approximately vertically downward beyond the locking lever 35. L, as already mentioned for FIG. 1, adjoins this locking lug 38, with which the locking lever 35 rests in its starting position on the upper end edge 40 of the second spring element 23 (FIG. 3).
• the deflection lever 41 of the locking lever 35 is provided approximately above the locking lug 38, which in the present exemplary embodiment is integrally formed on the locking lever 35 at approximately a right angle or at an angle greater than 90 ° to the locking lever 35.
• the shift lever 13 also shows the shift lever 13 in a perspective view.
• the shift lever 13 is provided with a bearing bore 48, via which the shift lever 13 is pivotally mounted on the pivot axis 16.
• the pivot axis 16 is arranged on the rear wall 49 of the housing 2 of the time switch 1.
• the pivot axis 16 can be integrally formed on the rear wall 49 as an integral component or can also be fastened to the rear wall 49 as a separate component.
• the feeler lever section 18 is provided at its free end with the feeler finger 20 extending transversely to the feeler lever section 18. The operation of this touch finger 20 has already been briefly described with reference to FIG. 1.
• the actuating section 19 of the switching lever 13 lies with the pushing lever section 18 with respect to the position.
• the feeler lever section 18 and the actuating section 19 are integrally connected to one another.
• the offset of the feeler lever section 18 and the actuating section 19 is selected so that the locking lever 35 is axially adjacent to the actuating section 19 in extension to the feeler lever section 18.
• An extremely small size of this lever arrangement is thereby achieved, as can be seen in particular from FIG. 3.
• the actuating section 19 is provided toward its free end with a recess 51 on the spring element side, the depth of which is matched to the axial width of the bearing eye 37 of the spring element 22.
• the stop pin 34 is arranged, which is part of a reinforcing web 52.
• the axial length L of the stop pin 34 and the reinforcing web 52 is formed such that they lie together with the front side edges 53 and 54 of the two spring elements 22 and 23 in a common plane.
• the switching slide 43 For the manual switching of the switching contacts 24 and 25 or their spring elements 22 and 23, the switching slide 43, the articulation lever 44 of the switching lever 13 and the two bellcranks 45 and 46 are provided, as already mentioned for FIG. 1.
• the switching slide 43 has, as can be seen from FIGS. 2 and 3 and from FIG. 1, an upper guide section 55, with which the switching slide 43 is guided axially displaceably between a guide web 56 of the rear wall 49 of the housing and an upper cover wall 57 of the housing 2 is.
• a locking pin 58 is provided, which, starting from the rear wall 49 of the housing, projects inwards over the guide web 56 to the slide switch 43.
• the slide switch 43 is provided with a latching tab 59 arranged below its guide section 55, which extends approximately parallel to the guide section 55.
• the latching tab In the area of its free front end (the right end in FIG. 1), the latching tab has two upwardly directed latching webs 60 and 61, with which the switch slide 43 can be brought into engagement with the latching pin 58 in the assembled state.
• a central starting position of the locking slide 43 is fixed, as can be seen in particular from FIGS. 1 and 3.
• this has on its guide section 55 an actuation lever 62 which, in the assembled state, projects through the corresponding top opening 57 (FIGS. 1 and 4) of the upper cover wall 57 of the housing 2 of the timer 1 so that it is accessible from the outside.
• the dimensions of the passage opening 63 are such that the slide switch 43 can be brought from its initial position shown in FIGS. 1 and 3 into two switching positions that are located opposite one another, as will be explained further below. This means that the passage opening 63 forms a stop for the actuating lever 62 and thus for the entire slide switch 43 with respect to these two switching positions.
• the guide section 55 In its switching position adjusted from this starting position in the direction of arrow 64, the guide section 55 is brought into operative connection with the front end 65 of the slide switch 43, so that the switching lever 13 is actuated.
• the shift lever 13 has on its articulation lever 44 a shift pin 66 running parallel to the axis of rotation 50, through which the articulation lever 44 and thus the entire shift lever 13 is actuated by the front end 65 of the slide switch 43 when adjusting in the direction of the arrow 64.
• the two switching contacts 24 and 25 are permanently closed. acts, as will be explained in more detail below in relation to FIG. 8.
• the slide switch 43 If, on the other hand, the slide switch 43 is moved in the opposite direction to the arrow 64, it comes into operative connection with the deflecting lever 45.
• the slide switch 43 in the region of its front end 65 on the underside of its guide section 55 has a switching lug 67 which, when the slide switch 43 moves back, is brought into operative connection with an adjusting lever 68 of the upper deflection lever 45 directed towards the slide slide 43.
• the bell crank 45 is rotatably mounted on a larger diameter bearing section 69 of the pivot axis 16 and is accordingly provided with a bearing hub 70 with a through hole 71.
• a second lever arm 72 is provided on the bearing hub 70 of the deflection lever 45, which has an elongated hole 73 which extends radially from the bearing hub 70.
• the housing rear wall 49 has a further bearing journal 74 approximately below the pivot axis 16 or the bearing section 69, on which the second bell crank 46 with its bearing hub 76, which has a bearing bore 75, is rotatably mounted.
• the deflecting lever 46 is provided on its bearing hub 76 with a first adjusting lever 77 directed towards the first deflecting lever 45, which has a plug pin 79 which runs parallel to the axis of rotation 78 of the deflecting lever 46 and which is connected to the slot 73 of the lever arm 72 of the first lever 45 is engaged.
• an actuating lever 80 is arranged on the bearing hub 76 of the second deflecting lever 46, which is an integral part of the deflecting lever 46 and is displaced forward in the axial direction of the axis of rotation 78.
• the actuating lever 80 thus lies approximately in the same vertical plane as the second lever arm 72 and the actuating lever 68 of the first deflecting lever 45.
• the actuating lever 80 At the outer end of the actuating lever 80, the latter has an adjusting pin 81 which, when the deflecting lever 46 is pivoted, is used to adjust the second spring element 23 with its second switching contact 25.
• Fig. 4 shows the complete switching mechanism of the timer 1 according to the invention in the assembled state in a perspective view.
• the shift drum 3 with its shift elements 11 and 12 is in a rotational position in which the shift elements 12, which are radially inward out of the shift function, are located in the region of the touch finger 20 of the shift lever 13.
• the two switching contacts 24 and 25 are at a distance from each other, so that no electrical There is a connection between these two components.
• the first spring element 22 bears on the outside against the stop pin 34 of the shift lever 13 or its actuating section 19.
• the latching lever 35 which is rotatably mounted in the bearing eye 37 of the spring element 22, lies with its bearing surface 39 on the upper end edge 40 of the second spring element 23. Furthermore, the second spring element 23 bears against the stop pin 34, so that the second spring element 23 cannot be moved toward the first spring element 22. Between the two spring elements 22 and 23, the adjusting pin 81 of the lower bell crank 46 can also be seen. In the switching position shown, this adjusting pin 81 can be at a minimal distance from the inner surface 82 of the second spring element 23, so that the second spring element 23 rests securely in a predefined position on the stop pin 32. Furthermore, it can be seen that the locking lug 38 of the locking lever 35 is also at a distance from the second spring element 23.
• the relative position of the two spring elements 22 and 23 is defined, on the one hand, by the starting position of the switching lever 13 or its stop pin 34 and by the fixed position, the stop pin 32.
• the deflection lever 41 is also at a defined distance from the pivot axis 16 of the shift lever 13, so that the defined starting position of the two spring elements 22 and 23 is not influenced by the latching lever 35.
• the locking lever 35 with its lever 41 approximately lies in the same vertical plane as the feeler lever section 18 of the shift lever 13.
• the actuating section 19 of the shift lever 13 runs, during its reinforcing web 52 together with the stop pin 34 the first spring element 22 engages behind.
• the arrangement of the two spring elements 22 and 23 as well as the locking lever 35 and the feeler lever section 18 is chosen so that their front boundary surfaces or boundary edges lie at least approximately in a common vertical plane.
• the articulated lever 44 with its switching pin 66 which is arranged approximately at right angles to the feeler lever section 18 and the actuating section 19, is located in the vertical as well as in the horizontal direction in the immediate vicinity of the front end edge 83 of the upper guide section 55 of the slide switch 43.
• the slide switch 43 stands again with its two locking bars 60 and 61 in positive engagement with the locking pin 58 of the guide bar 56, so that this neutral starting position of the slide switch 43 is defined.
• the neutral position of the slide switch 43 are also the two bellcranks 45 and 46 in a neutral position, in which they can not influence the automatic switching process.
• the switching lever 13 with its feeler lever section 18 and its actuating section 19 is still in its initial position, in which the touch finger 20 still touches the outside of the switch elements 12 in the deactivated switch position. l already mentioned with regard to FIGS. 1 and 4, this initial Position of the shift lever 13 on the spring element 22 under slight prestress on the stop pin 34 of the actuating section 19 of the shift lever 13.
• the second spring element 23 bears against the stop pin 32 under pre-tension, a safe distance between the two switching contacts 24 and 25 being ensured in this position.
• the latching lever 35 rests with its bearing surface 39 on the upper end edge 40 of the second spring element 23 and is at a predetermined distance from this second spring element 23 with its latching lug 38. Likewise, at least a slight distance is provided in this starting position between the deflection lever 41 of the locking lever 35 and the pivot axis 16 on which the shift lever 13 is mounted.
• the feeler lever section 18 of the shift lever 13 is recessed in the area of the bearing bore 48 towards the deflecting lever 41, so that during a shift operation the latching lever 35 is supported with its deflecting lever 41 directly on the pivot axis 16 and along it slides. This ensures that the
• Switching process is not affected by manufacturing tolerances of the shift lever 13 or its feeler lever section 18 and extremely precise switching times can be set.
• the locking lever 35 Since the locking lever 35 is mounted in the bearing eye 37 of the first spring element 22, this also moves with its locking lug 38 in the direction of the arrow 86 toward the upper end of the second spring element 23.
• the deflection lever 41 of the detent lever 35 also moves in the direction of the arrow 86 until it touches the pivot pin 16 of the shift lever 13 with its front mounting surface 87 on the pivot pin side.
• FIG. 6 shows a switching position immediately before the end of the first switching phase, in which the locking lever 35 is just engaged with the second spring element 23 with its locking lug 38. It can be seen from FIG.
• this first spring element 22 and the second spring element 23 are held with their upper ends at a predefined distance by the latch lever 35 and the distance between the latch 38 and the bearing eye 37 of the first spring element 22.
• This distance is dimensioned so large that it is ensured that the two switching contacts 24 and 25 cannot come into electrical contact with one another until the end of the first switching phase. Accordingly, during the entire first switching phase, the two switching contacts 24 and 25 are at least at a distance from one another which is predefined via the locking lever 35 and can be seen in FIG. 6.
• FIG. 7 This end of the first movement phase shown in FIG. 6 is followed by a second movement phase, which Ren end is shown in Fig. 7.
• the shift drum 3 moves further in the direction of rotation of the arrow 10 until the shift lever 13 or its feeler lever section 18 rests with its touch finger 20 on the outer circumferential surface 89 of the shift elements 11.
• the shift lever 13 rotates further in the direction of arrow 85, as a result of which the spring element 22 continues via the stop pin 34 of the actuating section 19 is moved in the direction of arrow 86.
• the locking lever 35 Since the locking lever 35 is also moved in this direction of arrow 86 via the bearing eye 37 of the spring element 22 and thus also its deflection lever 41, which continues to rest against the pivot axis 16 and slides along this upward in the direction of arrow 90, the locking lever becomes 35 further rotated in the direction of arrow 88. Immediately after the position shown in FIG. 6, the catch 38 of the catch lever 35 releases the spring element 23 with its switch contact 25, which is under tension, so that it suddenly moves in the direction of arrow 91 in the closing direction towards the first switch contact 24 and with this is brought into electrical contact.
• FIGS. 8 and 9 two permanent circuits, namely a permanently closed switching position or also a constantly open switching position of the two spring elements 22, 23 with their switching contacts 24, 25, are possible, as is shown by way of example in FIGS. 8 and 9.
• the slide switch 43 is now brought into the position shown in FIG. 8 by means of its actuating lever 62 in the direction of the arrow 92.
• the switching pin 66 of the articulation lever 44 arranged in the starting position above the lower footprint 93 of the guide section 55 of the slide switch 43.
• the switch pin 66 together with its articulation lever 44 is now brought out of its position shown in FIG.
• the locking lever 35 has safely released the upper end of the second spring element 23, so that due to its elastic pretension, the second switching contact 25 makes electrical contact with the first switching contact 24 of the first spring element 22 arrives. Thus, the two switching contacts 24 and 25 are closed.
• a pivot position is defined which corresponds at least to the final pivot position of the shift lever 13 from FIG. speaks, but for safety's sake takes place a few degrees further in the direction of arrow 85.
• the slide switch 43 In the position shown in FIG. 8, the slide switch 43 is displaced with its actuating lever 62 up to the stop 94 of the through opening 63 of the upper cover wall 57. In this position, the slide switch 43 is secured by the locking bar 60 on the locking pin 58 of the guide bar 56. In this switching position of the switching lever 13 shown in FIG. 8 together with the spring elements 22 and 23 and the associated switching contacts 24 and 25 in permanent contact between these two switching contacts 24 and 25 is achieved regardless of the angular position of the shift drum 3 shown in phantom lines , With this embodiment of the time switch according to the invention, the two switch contacts 24 and 25 can be brought into a permanently switched position.
• the slide switch 43 is now displaced in the direction of arrow 95, so that it engages with its latching web 61 on the latching pin 58 and bears against the second stop 96 of the through opening 63 of the upper cover wall 57. In this position, the slide switch 43 is secured by the locking web 61 on the locking pin 58, as can be seen in FIG. 9.
• the switching lug 67 is provided on the lower footprint 93 of the guide section 55 of the slide switch 43.
• this switching lug 67 interacts with the actuating lever 68 of the deflection lever 45 and rotates it around the bearing section 69 of the pivot pin 16 in the direction of rotation of the arrow 97.
• This actuating movement of the deflection lever 45 simultaneously makes the second deflection lever 46 pivoted in the opposite direction of rotation 98 about its bearing pin 74 due to its mechanical coupling via its plug pin 79 with the elongated hole 73.
• the adjusting pin 81 carries out an adjusting movement with a horizontal component in the direction of the arrow 99 at the lower end of the actuating lever 80 of the deflecting lever 46, so that the second spring element 23 is also deflected in this direction.
• the first spring element 22 is not influenced by this adjusting movement, so that the distance between the two switching contacts 24 and 25 in this second switching position of the slide switch 43 and the deflection levers 45 and 46 increases considerably.
• the actuating movement in the direction of arrow 99 is chosen due to the gear ratios between the slide switch 43 and the two bellcranks 45 and 46 so that the first switch contact 24, even when the first spring element 22 is activated, as shown in FIG.
• the switch contact 25 is secure can't touch. Due to the configuration of the invention according to FIGS. 8 and 9, two extreme positions or switching positions can be set permanently with the switching mechanism according to the invention. On the one hand, permanent switching with closed switching contacts 24 and 25 can thus be achieved in accordance with the explanations relating to FIG. 8. The same applies with respect to FIG. 9, namely that in a second switching position of the slide switch 43, the contacts 24 and 25 are safely permanently out of contact.
• Fig. 10 shows an embodiment with a locking lever 35/1, which is an integral part of the first spring element 22/1.
• the first switch contact 24/1 is provided on the first spring element 22/1, which in the illustrated starting position of the spring element 22/1 and the spring element 23/1 is at a predetermined distance from that on the second spring element 23/1 arranged second switching contact 25/1 is arranged.
• the detent lever 35/1 is integrally formed on the first spring element 22/1 above the first switching contact 24/1 via an approximately annular spring section 100.
• the locking lever 35/1 extends essentially at right angles to the first spring element 22/1 and has a locking lug 38/1 bent downwards at approximately a right angle to the second spring element 23/1.
• an electrically insulating stop element 101 is provided, which consists for example of plastic and at the upper end of the second spring element 23/1 can for example be injection molded.
• the horizontal distance of the locking lug 38/1 to this stop element 101 is chosen to be smaller than the distance between the two switching contacts 24/1 and 25/1, so that when the first spring element 22/1 is deflected in the direction of arrow 102, the two switching contacts 24/1 and 25/1 are held securely at an electrically non-conductive distance from one another when the latch 38/1 is in engagement with the stop element 101.
• the further function corresponds to the exemplary embodiment of the locking lever 35 described above in relation to FIGS.
• the actuation of the first spring element 22/1 likewise taking place by the switching lever 13 or its stop pin 34 at the end of its actuating section 19.
• this also has a deflection lever 41/1, which is integrally formed on the locking lever 35/1. 10
• the locking lever 35/1 is deflected after covering a certain distance in the direction of arrow 102 upward in the direction of arrow 103, so that the second spring element 23/1 is also suddenly released during a second switching phase.
• the stop element 101 has on its rear side an inclined deflection surface 104 so that the locking lever 35 / 1 can safely return to the starting position shown in FIG. 10.
• the stop pin 32 is also provided, which is fixed in the housing of the time switch, not shown in FIG. 10.
• FIG. 11 shows a further exemplary embodiment of a mounting of the latching lever 35/2 on the first spring element 22/2.
• the latching lever 35/2 can be formed, for example, from a metallic material or also from a plastic, in the former case according to the exemplary embodiment 10, an electrically insulating stop element is also to be provided on the second spring element (not shown in the drawing).
• this first spring element 22/2 has in its upper end region in the region of its two side edges 106 and 107 two bearing slots 108 and 109 through which two on the locking lever 35/2 bearing tabs lio or 111 arranged at an appropriate distance are inserted through them.
• the two bearing brackets 110 and 111 are bent vertically upwards on the rear side in the present exemplary embodiment, so that the locking lever 35/2 with its bearing edge 112 which extends between the two bearing brackets HO and III lies against the front of the spring element 22/2 and can be deflected upwards around this bearing edge 112.
• the further configuration of the locking lever 35/2 can be identical to the configuration of the locking lever 35/1 from FIG. 10.
• the latching lever is displaceably mounted in corresponding guides in the housing in the direction of arrow 102 in FIG. 10, and for the deflection by appropriate design of guide slots in the housing via guide pins arranged on one or both sides of the latching lever and engaging in these guide slots in the manner of a To effect the backdrop.
• FIG. 10 shows, that in any case there may be no electrically conductive connection between the first spring element and the second spring element via the locking lever. This can be achieved on the one hand by appropriate selection of the material of the locking lever itself or on the other hand by additional insulation measures on the locking lever or the spring elements.
• 12 and 13 show an embodiment of a switch contact arrangement which is designed as a so-called changeover contact.
• a first spring element 22/3 and a second spring element 23/3 are provided, which correspond to the spring elements 22 and 23 from the exemplary embodiment of FIGS. 5 to 9. Accordingly, a first switching contact 24/3 and a second switching contact 25/3 are arranged at the respective upper end of the respective spring element 22/3 or 23/3, which in the starting position shown in FIG. 12 are at a predetermined distance from one another. To produce this predetermined distance, the first spring element 22/3 in accordance with the exemplary embodiment of FIG. 5 in the starting position shown there bears against the stop pin 34/3 under prestress, which in turn rests on the outer end of the actuating section 19/3 of the shift lever 13/3 is arranged. The shift lever 13/3 is in turn pivotally mounted about the pivot axis 16.
• the second spring element 23/3 is held in its initial position shown in FIG. 12 by the stop pin 32, so that it is ensured that the two switching contacts 24/3 and 25/3 are at a predetermined distance from one another which are not in electrical connection.
• a third spring element 113 with a third switching contact 114 is provided, which is connected to a fourth switching contact 115 of the second spring element mentes 23/3 is in permanent electrical contact.
• This fourth switching contact 115 is arranged opposite the second switching contact 25/3 on the second spring element 23/3. It is easily conceivable that a further guide plate of the type of the two guide plates 26 and 29 from FIG.
• a locking lever 35/3 is provided which has a locking lug 38/3 , which corresponds in its design and function to the locking lug 38 of the shift lever 35 from FIGS. 5 to 7. In the direction of the arrow 102 pointing forward, this locking lug 38/3 is also adjoined by a support surface 39/3 which is arranged at an upward offset.
• a vertically downward shift finger 116 is also provided, which in the present exemplary embodiment is designed to be considerably longer in its vertically downward extension than the locking lug 38/3.
• this Shift finger 116 is in turn a deflection lever 41/3, the mode of operation of which also corresponds to the deflection lever 41 of the exemplary embodiment from FIGS. 5 to 7.
• the shift lever 13/3 also executes a pivoting movement in the direction of the pivoting arrow 85, provided the shift drum 3 shown in phantom lines with its shifting elements 11 and 12 executes a rotation from the starting position shown in FIG. 12 in the direction of the arrow 10.
• the spring element 22/3 is deflected approximately in the direction of the horizontal arrow 102 via the stop pin 34/3 until the locking lug 38/3 is in engagement with the second spring element 23/3.
• the switching finger 116 is still a certain distance from the third spring element 113 in the horizontal direction, so that the two switching contacts 114 and 115 remain in constant contact.
• the locking lug 38/3 is again arranged on the locking lever 35/3 in such a way that the two switching contacts 24/3 and 25/3 are kept at a predetermined distance from one another during this first switching phase.
• the locking lever 35/3 comes into contact with its pivot lever 41/3 with the pivot axis 16 of the switching lever 13/3 and begins to pivot at the beginning of a subsequent second switching phase in the direction of the pivot arrow 88 about its bearing axis.
• a simple slide switch 43 which is easily accessible from the outside, can be used to set these two permanent circuits.
• an externally accessible toggle switch can also be used, which is coupled in a corresponding manner to the two deflection levers 45 and 46.
• Such an arrangement can also be provided accordingly for the exemplary embodiment of FIGS. 12 and 13, as is indicated by the representation of the slide switch 43.
• the consumers mentioned in relation to FIGS. 12 and 13 can optionally be continuously supplied with energy when required and also switched off continuously.

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• Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
• Control Of Transmission Device (AREA)
• Keying Circuit Devices (AREA)
• Electrophonic Musical Instruments (AREA)
• Electric Clocks (AREA)
• Switch Cases, Indication, And Locking (AREA)
• Switches With Compound Operations (AREA)
• Electromechanical Clocks (AREA)
• Mechanisms For Operating Contacts (AREA)

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• 1999
  • 1999-10-09 DE DE19948707A patent/DE19948707C2/de not_active Expired - Fee Related
• 2000
  • 2000-10-06 CZ CZ20011780A patent/CZ297621B6/cs not_active IP Right Cessation
  • 2000-10-06 CN CNB008022119A patent/CN1214424C/zh not_active Expired - Lifetime
  • 2000-10-06 ES ES00972692T patent/ES2220554T3/es not_active Expired - Lifetime
  • 2000-10-06 KR KR10-2001-7006749A patent/KR100458898B1/ko active IP Right Grant
  • 2000-10-06 PL PL348038A patent/PL196767B1/pl unknown
  • 2000-10-06 WO PCT/EP2000/009795 patent/WO2001027953A1/fr active IP Right Grant
  • 2000-10-06 AT AT00972692T patent/ATE269585T1/de active
  • 2000-10-06 EP EP00972692A patent/EP1135785B1/fr not_active Expired - Lifetime
  • 2000-10-06 AU AU11338/01A patent/AU1133801A/en not_active Abandoned
  • 2000-10-06 DE DE50006810T patent/DE50006810D1/de not_active Expired - Lifetime
• 2002
  • 2002-03-26 HK HK02102326.9A patent/HK1041978B/zh not_active IP Right Cessation

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