DE7600231U1 - Switch device for a time switch device, in particular for a staircase light time switch, optionally with a pneumatic type escapement - Google Patents

Description

"Baby timer" IX

25 o12o / Gbm-Anm II December 6th, 1975 / DrBi

Dr. Richard Bied

7217 Trossingea
Sonnsnweg 2

V7e st Deutsche Elektrogerätebau GmbH 477o SOES T '

Switch device for a timer

in particular

for a staircase time switch, possibly with an escapement pneumatic design

The present invention relates to a switch device for a timer with a Electromagnet armature group and an escapement purely mechanical and / or pneumatic design, with at least a switching element for the time-dependent circuit to be switched, as well as electrical connection parts and a housing composed of at least two parts, in particular for a staircase time switch, possibly with a pneumatic type escapement.

- 2 -

7600231 06/24/76

Zeitschaltgeräi ^ die "especially as staircase light time switch gained significant importance in the practical engineering of electrical installation usually consist of an electromagnetically driven armature and an armature that is actuated by it Inhibition mechanism that is brought into a working position from which, after an adjustable period of time, it moves into the Rest position returns. The time-dependent circuit to be switched is so with the activation and excitation of the electromagnetic armature system closed by either the armature directly or indirectly the switch- device acted upon or the escapement is coupled to the switch device accordingly. Because of the installation regulations such time switches are installed in a housing that is practically closed on all sides, that necessarily consists of two parts, e.g. a hood-shaped housing part with a removable cover, and Although usually in the so-called shell construction, there is and its walls from the electrical connection parts are penetrated, to which the outer circuit parts, such as mains, consumers, key switches, indicator glow lamps etc. can be connected.

Both purely mechanical and Pneumatic (pneumatic-mechanical) devices have also proven themselves well in practice, albeit on the cost side the pneumatic escapement has the most advantages. Mechanisms are used as purely mechanical escapements known that - similar to clockworks constructed by the electromagnet armature group biased, ie. be drawn up, the running time being adjustable, after which a rocker arm movement becomes the jerky one Switching off causes. With the pneumatic escapement, the time function is also provided by a cylinder-piston system

air cushion, sealing valve (eg "sealing washer) and Adopted adjustable air outlet opening, the latter being set and thus the time constant -predetermined will. In this case, too, a rocker arm movement causes the sudden disconnection.

In both the pneumatic and the purely mechanical escapement, the switch device is in this way by means of levers with tilting properties or similar elements of the mechanics with the mechanically moved Split coupled in such a way that the time-predefined switch-on duration ends with a sudden switching process will; the switching element for the time-dependent switching of the "consumer circuit is either from Escapement or operated by the electromagnet armature group.

With all previously known timing devices of the relevant type that are available on the market are the individual components in the housing, e.g. with screws, individually mounted or simply inserted without special position securing, which is why a considerable working time is necessary for the production and the relevant Workers must have special knowledge, since they each have to pay attention to the exact adaptation and adjustment during assembly, if not the operational reliability should be at risk. These questions become downright crucial when that Timer housed in a relatively small housing, such as. in a form similar to the modern one Miniature circuit breakers in accordance with a standardized divider for panel mounting (e.g. with a width of 17.5 mm) is to be formed.

The present invention is therefore dependent on

7600231 06/24/76

The object of the invention is to design the switch device or the associated individual components of the time switch device that interact with it so that they are forcibly adjusted when they are introduced into the housing and tolerances of the individual geometric dimensions are either automatically, ie. compensate without special measures or at least not have a disruptive effect on the puncture of the timer. An important detail is that the abovementioned jerky lever movement can be set precisely enough in time and is adhered to. In connection with the novel construction developed from it, the assembly should be simplified accordingly and both through this and through additional individual features, ie. , manufacturing costs are saved by further simplifications and / or additions in the components, that is, _e of the switch means and the information relating to their subgroups.

The object described above is achieved with a time switch device of the type described at the beginning solved by the fact that the switching device - axifnahmend a shift lever with pivot axis in stock, to the one with the electromagnet armature group and / or the escapement coupled movement group belongs, and one Containing switch block, in which the from the Schalthebsl actuated switching element is held - and / or part of the housing in one piece with a spacing assigned on both sides and / üder fittings are equipped and in this way the switch device as a form-fitting pluggable, automatically forcibly adjusting and holding subgroup is formed in the part of the housing.

In practice, this basic concept of spatial form can be explained by means of two different basic dimensions

5 -

7600231 06/24/76

can be supplemented independently or in combination. One is that the switch block designed as a spacer and / or shaped piece associated with the housing on both sides, namely the shift lever is. In the other measure, the shift lever is mounted with its pivot axis in a bearing piece, that as a spacer and / or shaped piece and / or assigned on both sides, namely the pivot axis and the housing A part of the housing can be inserted from the outside in a form-fitting manner at least partially between parallel walls is trained.

In all these cases - both in individual or in combined application of the special features essential to the invention - the vorbesehrebene object of the invention has already been fundamentally achieved by the assembly work on mere plugging together, without there being any special ie. additional adjustment or fastening required, are limited. With regard to the intended use of the subject matter of the invention, axso senon xn, in its embodiment described above, has achieved leaps and bounds compared to the state of the art, that without the hitherto costly effort of special workers and their labor and without additional material costs only for the adjustable fastening of the components, namely automatically the necessary accuracy and consistency of the spatial assignment of subgroups of the time switch device is achieved, in particular with the particularly critical subgroup of the switch _{device. In addition, the basic concept of spatial shape enables the space requirement of the assemblies of the 2 e} j_-t; switching device to be significantly reduced so that this is inexpensive, ie. using assembly types that are particularly economical to manufacture and which have recently been demanded by the market

7600231 06/24/76

smaller housings of the switchboard standard divider dimensions can be.

In a further embodiment, the bearing piece is made up of at least two parts, ie. from a top with one as a half-hub and a lower part with a groove serving as the other half-hub at the end in a form-fitting manner assembled and the pivot axis of the shift lever is mounted in the two half hubs. It can be useful be that the lower part is also guided in the upper part so that it can be plugged in and / or that the lower part of the bearing piece is structurally united in one piece with the switch block is. Ultimately, with this combination of special features essential to the invention, there is an optimum in terms of manufacturing technology Simplification is achieved when part of the bearing piece is integral with part of the housing is structurally united.

T «T-igöirnrlo-roin G-Tari e>" icQ mnr h der στητήfil PP ^- PTIri P

> J "J""_"".ν.Τ.Γ-; -ν.1, ~ .-. νΛ ~ - ,. r ^ - ^ - n Λ-ΪΩ ττ

■ t % rf \ _- ma «. ~ - * ^ i. »* - * ^ * J_
O · - ■ J. ■ ** ■ ■ ww—

features essential to the invention described in a time switch device individually or more or less combined are recycled whose inhibitor is of a pneumatic design and thus a cylinder-piston group with air cushions, Sealing valve or sealing washer and adjustable air outlet opening and its electromagnet armature group contain a plunger, especially if the gear lever has at least two arms, one of which (one) Contact spring (s) of the switching element acted on one side and the other acted on by the piston or plunger will. The technical progress that can be achieved in this way can be increased by the fact that the arms of the Shift lever unequal length according to the contact spring loading and the full piston movement of the escapement required strokes are measured, whereby a

7600231 06/24/76

further reduction of space requirements bijw. adaption to the given space conditions of the switchgear achieved will. An additional simplification also in this sense is achieved when one is on the gear lever Cam mounted on an ache parallel to the swivel axis and is biased against a stop on one side, preferably against the rest position, by a spring, especially when the axis of the cam is identical to the pivot axis of the shift lever. The assembly is in particular Degree of simplification if then also the stub of the pivot axis protruding on both sides of the shift lever have different diameters and the diameters of the bearings are adapted.

Both in connection with the previously described features essential to the invention - and then in highest possible degree - as well as regardless of it, ie. the object according to the invention continues to be used separately solved and a technical port step in compliance with the current high quality requirements A particularly economical construction is achieved if the switch block is made from spacer molded parts for the contact springs, put together between two parallel walls, possibly with guide grooves and / or guide lugs can be inserted in a form-fitting manner. It is also advantageous if the Switch block contains at least two contact spring groups, which are acted upon gradually by the shift lever, preferably by means of different arms, because so electrical auxiliary circuits for a temporary connection or Shutdown of circuits, e.g. for the excitation of the electromagnet can also be used. The interaction of the shift lever and contact springs is additionally supported if at least one Contact spring at the free end with a shaped piece, preferably

7600231 06/24/76

made of plastic with Forin sliding surfaces for the gear lever arm and / or another lever is fitted; this particularity also serves to realize the general Raumformgedanlcens and the aspired or, realized simplification of manufacture and reduction of space requirements.

This concept of spatial form, which is essential to the invention the design of the switch device as a pluggable sub-group provides the surprising possibility of both the structure of the time switch in every respect space-saving as well as the assembly work ie. To design cost-saving and thus the timer especially to manufacture economically and technically reliable, as well as either to open up further areas of application at all or to make this development essential to promote. Finally, it is of considerable advantage here if the plug-in upper part and / or lower part of the bearing piece and / or one of the spacer moldings of the Switch blocks with a stop lug and / or a groove for plug-in mounting of other components of the switch device or another assembly of the timer räts and / od ^ r for additional automatic centering are equipped with another housing part »With With the help of these further special features, it is possible to manufacture by further saving on manufacturing aids or at least to make their simplification even more cost-effective.

Further details of the invention can be found in the following description of an exemplary embodiment refer to the drawing. They represent:

Fig.1: a cross section through a timer with pneumatic Hemmwerk and one

7600231 06/24/76

Gear lever

a) in rest position

b) in working position shortly before. Engage the sliding arm

c) after it has clicked into place

Fig «2: the associated shift lever

a) in the swiveled-out position of the cam

b) in rest or final working position

in elevation and

c) in plan

Mg.3: a) the view of the inside of the upper part of the housing in the direction of the head end in section AA (Fig _o 3b)

b) in longitudinal section B-B (Fig «, 3a)

c) the view of the inside of the upper part of the housing with switch block in the direction on the foot end in section G-C (Fig.3b)

In Figoi the electromagnet armature group is 1 with bobbin 2, winding 3 and plunger 4 with pretensioning spring 5 at the lower end and the escapement 6 of pneumatic design with cylinder 7, piston 8, air cushion 9, Sealing washer 1o as a sealing valve and adjustable air outlet opening 11 at the upper end on the right Side of the two-part housing with the hood-shaped ax Upper part 12 and the lower part 13 housed. The piston 8 is connected to the plunger 4 through the piston rod 14 connected and serves with its lower surface 17 together with the head plate 18 of the prestressing spring 5 holding Immersion armature 4 as a bearing element for the lever 15 belonging to the switch device 19 with the guide head 16.

-1ο-

7600231 06/24/76

-ΊΟ -

In the left part £ 6 of the housing, the switch device Jg with the switching element 21 for the time-dependent current to be switched, the switch block 22 and the electrical connection parts 23 are also recognizable in a space-adapted manner, but also, according to a further feature essential to the invention, housed so that they are partially. - As the switch block 22 - serve as a molded piece for another component, namely through the stop lug 24 i ^ r the bobbin 2. The ^V alve hollow body 25 with the adjustable in the depth of immersion by means of the threaded projection 26 spindle 27 serves as an adjustable air outlet opening for · determining the duty cycle and is in the bottom 28 of the cylinder 7 of the cylinder-piston group 6 in this embodiment, but not necessarily, in a form-fitting one-piece and thus adjustable through the housing, the bottom 28 of the cylinder 7 being identical to the housing, specifically the cover 29 of the upper part 12. The spindle 27 with the associated bore can, depending on the given technical "conditions, be both cylindrical and conical in shape.

In the bottom 3o of the housing is at the location of the bore 31 of the bobbin 2 for the plunger 4 the Damping disk 32 made of elastic material, such as rubber, rubber-like material or the like., In the groove 33 of the Annular bead 34 inserted, on which the bobbin 2 fits rests and is centered with it or with the support of the groove 33.

The pivot axis 35 of the shift lever 15 is in the bearing piece with the upper part 36 and the (dashed line shown) lower part 37 and contains, in addition to the already mentioned guide head 16 on the longer arm 38 the shorter arm 39 with the curved sliding surface 4o,

- 11 -

7600231 06/24/76

the cam 41, which is also mounted on the pivot axis .35 is, and the short arm 42 »The contact springs of the quiescent switching element 43 are with the winding 3 of the electromagnet armature group 1, a button (not shown), connecting parts and the network in series, the contact springs of the switching element 21 via the connection parts 23 to the consumers and the network.

If the circuit of the winding 3 is closed by pressing a button, the plunger 4 is in the inside of the bobbin 2 is drawn in, the pretensioning spring 5 being compressed and the piston 8 in the cylinder 7 is pulled downwards, the air cushion 9 being filled through the sealing washer 1o and an outflow of the air cushion because of the valve effect of the sealing washer and the small air outlet opening 11 prevented (Fig.1b). It is through the piston 8 and the head plate 18 of the guide head 16 and with it the Switching lever 15 is pivoted with its shorter arm 39 about the pivot axis 35 clockwise. The shorter one. Arm 39 slides with its curved sliding surface 4o on the. on the eiiiön contact spring 44 dec switching element 21 attached Form piece 45 along and thereby presses this against dis other contact spring 46, so that the circuit of the Consumer is closed.

As soon as the contact spring 44 is deflected far enough by the shorter arm 39, the cam 41 jumps under the bias of the spring 48, which can be seen in Fig.1b, also clockwise until it stops abuts against the shorter arm 39 (FIG. 1c). From now on, the cam 41 slides when the air cushion 9 by the Piston 8 under the action of the biasing spring 5 through the adjustable air outlet opening 11 depending on its released cross-section more or less quickly

- 12 -

7600231 06/24/76

is pressed, along the shaped piece 45 counterclockwise, whereby the piston 8 and the shift lever 15 slowly return to their rest position (Pig.1a). Only when the cam 41 with its upper edge 50 is below the lower edge 51 of the molded piece 45 comes, the contact spring jumps 44 to its rest position - and jerkily - back.

The short arm 42 of the shift lever 15 is actuated in working position, ie. at the maximum stroke of the piston 8, the rest switching element 43 and opens the excitation S'oromkreis the winding 3 of the electromagnet armature group 1 (if it is still closed by the pressed button is), so that the winding 3 cannot be overloaded even if the button is pressed for a longer period of time. The actuation of the Quiet switching element 43, which also in other ways than Protection circuit can work, as you can see, it lasts only a relatively short time during part of the stroke of the piston 8, namely as long as a night service may be excluded.

In Fig.2 the shift lever (15 in Fig.1) is in swiveled-out position of the cam 41 (a) and in the rest and final working position - except for the absolute Angular position - (b) shown separately *

The pivot axis 35 is on the side of the shift lever 15 with a stub 53 of larger diameter, and on the other hand equipped with a stub 54 of smaller diameter, on which latter the latter the cam 41 with the spring 48, which is integrally combined with it and rests on the pin 55, is mounted. the different diameter of the pivot axis 35 on both sides facilitate assembly, because this creates a The risk of confusion is excluded. By the pen

- 13 -

7600231 2A.06.76

48 is the cam 41 by means of the stop 36 (Figo2c) in the rest position or final working position against the shorter arm 39 with the curved sliding surface 4o pressed and taken along by the shorter arm 39 on the return of the shift lever 15. With the cam 41 is the short arm 42 united in one piece, so that this too first its delayed deflection and then the slow one Return of the shift lever 15 participated

The switch device 2o with the switching lever 15 and the arrangement of the switching element 21 or the Fulfill idle switching element 43 in the switch block 52, As can be seen without further ado, the method according to the invention is much simpler and nevertheless reliable Task that the jerky lever movement and thus switch actuation is set at a precise time can and is adhered to, with two subgroups forcibly adjusting through the introduction into the housing and the tolerances of the individual geometrical dimensions either automatically, ie. without special! to compensate for arrests or at least not to disturb the Can affect the function of the timer.

The compulsory assignment and adjustment of the subgroups can be clearly seen with the help of Fig. 3, v / o the switch block 52 from the two spacing Molded parts 57, 58 with the slots 59 to 62 for the contact springs not shown here are put together in a pluggable manner between two parallel walls 63, 64 with guide grooves 65, 66 or corresponding guide lugs of the switch block designed to be insertable in a form-fitting manner is (see Fig. 3c). The two spacer molded parts 57, 58 are forcibly assigned to one another by the pins 67, 68 in the blind bores 69, 70 and to the upper part of the housing 12 by the stop strips 71, 72 which are integrally combined with its walls.

- 14 -

7600231 06/24/76

The last-mentioned assignment is determined once by the one-piece combination of the switch block 52, ie. in Pig.3b of the spacer molded part 57 with the lower part 37 of the bearing piece with the Halbnabensehaie 73 for the pivot axis of the shift lever (15 in Pig.1), which is not shown, and on the other hand by the also one-piece union of the stop lug 74 for the bobbin, not shown here (2 in Pig.1) of the electromagnet armature group (1 in Pig.1) the automatically compulsory adjustment and assignment to the switching lever (15 in Pig.1) and the plunger (4 in Pig.1). The lower part 37 of the bearing piece for the pivot axis is in a corresponding slot with the upper half-hub shell 75 of the upper part 36, ie. between the webs 76, 77 and with it the switch block 52 additionally forcibly inserted centered and thus the switch block, switch lever and housing as well as the electromagnet-armature group are again forcibly assigned to one another without any particular O UtJ 0It: X'uxig Ll

The same purpose serves the projection 78 on the switch block 52, with the additional fit between the side walls and lugs in the other part of the housing, not shown, is brought about. In the end are on the two spacer molded parts 57, 58 - also laterally symmetrical - stops 79, 8o for a contact spring and the. Stiffening walls 81, 82 for the stop lug 74 and the lower part 37 of the bearing piece in one piece attached, which is also essential to the accuracy of the assignment of the subgroups of the timer contribute.

- 15 -

7600231 06/24/76

Claims (1)

"Baby timer II» - 15 - 25 ο12ο / Gbm note II 5th version Dr. Richard ß / erf e.De..i ₉₇ 5 / 72J7 baggage train / s
Sonnenweg 2 Protection claims Switch device for a time switch device with an electromagnet armature group and an escapement purely mechanical and / or pneumatic design, with at least one switching element for the time-dependent circuit to be switched, as well as electrical connections and one of at least two Parts assembled housing, especially for a staircase time switch, characterized in that they - a shift lever (15 in Pigoi) with pivot axis (35) in stock receiving, the one coupled to the electromagnet armature group (1) and / or the escapement (6) Movement group belongs, and containing a switch block (57) in which the switching element (21) confirmed by the switching lever (15) is held - and / or a part (upper part 12) of the housing in one piece with spacers and / or shaped pieces assigned on both sides are equipped and in this way the switch device (2o) as a form-fitting pluggable, automatically forcibly formed in the part of the housing justifying and holding subgroup is. - 16 - 2. Switch device according to claim 1, characterized in that the switch block (57) as "both sides, namely the switch lever (15) and the housing (upper part 12) associated spacer and / or shaped piece is formed. 3. Switch device according to one of claims 1 and 2, characterized in that the switching lever (15) with its pivot axis (35) in a bearing piece (36, 37) is mounted, which as on both sides, namely the pivot axis (35) and the housing (upper part 12) associated spacer and / or shaped piece and / or at least partially between parallel walls (63, 64) of a part (upper part 12) of the housing is designed so that it can be inserted from the outside in a form-fitting manner is. 4. switch device according to claim 3, characterized in that the bearing piece consists of at least two parts, ie. from a top (36) with one serving as a half hub (75) and a lower part (37) with one serving as another rialbnabe (73) Groove at the end positively assembled and the pivot axis (35) of the shift lever (15) are stored in the two half hubs. - 17 - 7600231 24.0a 76 5. switch device according to claim 4, characterized in that the lower part (37) can also be inserted into the upper part (36) so that it can be plugged is. 6. Switch device according to one of claims 4 and 5, characterized in that the lower part (37) of the bearing piece is integral with the switch block (57) ■ is structurally united. 7. Switch device according to one of claims 3 "until 6, characterized in that a part (upper part 36) of the bearing piece is integrated in one piece with a part (upper part 12) of the housing. 8ο switch device according to one of claims 1 up to 7, in the case of a time switch whose inhibitor (6) is a cylinder-piston group with air cushions (9), Sealing valve (sealing washer 1o) and adjustable air outlet opening (11) and its Electromagnet armature group (1) contain a plunger (4), - 18 - 7600231 06/24/76 characterized in that the switching lever (15) has at least two arms, one of which (39) (a) contact spring (s) of the switching element (21) acted on one side and the other (58) from the piston (8) or plunger (4 with top plate 18 is acted upon via the guide head 16). 9 switch device according to claim 8, characterized in that the arms of the shift lever (15) are of unequal length according to the Contact spring application and full piston movement of the escapement (6) required strokes are dimensioned. to «switch device according to one of claims 1 till 9, characterized in that a further arm and / or a cam (41) on one to the switching lever Pivot axis (35) mounted parallel axis and against a stop (56) on one side; preferably ge-r gen the rest position, is biased by a spring (48). 11. switch device according to claim 1o, characterized in that the axis of the further arm (42) and / or cam (41) with the pivot axis (35) of the shift lever (15) is identical. - 19 - 7800231 2ua76 12. Switch device according to one of claims 1 up to 11, characterized in that the stubs (53, 54) protruding on both sides of the shift lever (15) the pivot axis (35) have different diameters and the diameter of the associated Storage locations are correspondingly different. 13. Switch device according to one of claims 1 to 12, characterized in that the switch block consists of spacer molded parts (57, 58) for the contact springs pluggable put together between two parallel Walls (63, 64) optionally with guide grooves and / or guide sizeö formschlüssie 14. Switch device according to one of claims 1 up to 13, characterized in that the switch block (2o) has at least two contact spring groups (21, 43) contains, by the shift lever (15), preferably by means of different arms (39, 42), stepwise be applied. Previous year Switch device according to one of Claims 1 to 14, - 2o - - 2ο - characterized in that at least one contact spring (44) has a shaped piece at the free end (45) preferably made of plastic with molded sliding surfaces for a gear lever arm (39) and / or a equipped with another lever. 16. Switch device according to one of claims 1 to 15, characterized in that the plug-in upper part (36) and / or lower part (37) of the bearing piece and / / or one of the spacer fittings or molded parts. (57f 58) of the switch block (2o) with a stop lug (74) and / or a groove for plug-in mounting of other components of the switch device or another assembly of the timer 7600231 2t.06.76