DE1041094B - Circuit arrangement for pulse-controlled counting chains in telecommunications, especially telephone systems - Google Patents

Description

GERMAN

In telecommunications, in particular telephone systems, it is known to achieve a pick-up or drop-out delay of relay to connect rectifiers in a certain polarity parallel to the windings of the relay.

The invention relates to a circuit arrangement for pulse-controlled counting chains in telecommunications, in particular telephone systems in which the chain relays are divided into two groups and are dependent alternating relay from the state of a clock relay circuit assigned to both groups take effect from each group.

In the known counting chains of this type, each of the chain relays has a response and a hold winding Mistake. The contact effort of the chain relay is relatively large. So z. B. at each relay a contact for the activation of its holding winding, a contact for the interruption of the Holding circuit of the relay upstream in the chain and a contact for switching on the in the Chain downstream relay expended.

The object of the invention is to reduce the cost of the known derailleur gears. Achieved this is achieved in that the response winding of each chain relay causes a dropout delay Rectifier is bridged and a single one of the chain relays responds own control contact via the response winding closed holding circuit via the parallel to the rectifier connected downstream in the chain. By the invention It is not just a parallel connection of a rectifier to the response winding of each relay possible, the contact used to switch on the relay downstream in the chain with the one To summarize the holding circuit closing contact, but also the response and holding winding to unite in one winding.

According to a further embodiment of the invention, one interrupts each one assigned to one of the groups of the chain relays Contact of the clock relay circuit to the holding circuit of a chain relay before switching on of the relay downstream in the chain. The ones connected in parallel with the winding Rectifier-induced drop-out delay is dimensioned in such a way that a chain relay after it has been switched off effective until the holding circuit becomes effective for the relay downstream in the chain remains excited.

In FIGS. 1 and 2, two exemplary embodiments of the invention are shown, but only those are shown for the invention essential circuit details. So was z. B. on the representation per se known Clock relay circuits for controlling the counting chains are dispensed with.

Circuit arrangement for pulse-controlled

Counting chains in telecommunications,
in particular telephone systems

Applicant:

Siemens & Halske Aktiengesellschaft,

Berlin and Munich,
Munich 2, Wittelsbacherplatz 2

Martin Ragaller, Munich,
has been named as the inventor

In the following, the structure and mode of operation of counting chains according to the invention in the described individually.

In FIGS. 1 and 2, the contacts 1 e, 2 e belong to the clock relay controlled by a pulse relay which emits the pulses to the chain. The contact 3i is a contact of the pulse relay and the contact Av is a contact of a relay which responds with a delay at the beginning of the first pulse of a series of pulses and which remains addressed for the duration of a series of pulses.

In the example shown in FIG. 1, the contact 2 e is opened at the beginning of the first pulse. Contact 3 i closes a circuit for relay E 1 of the chain:

1. +, Av, Zi, El, Wl, -.

The rectifier G 1 connected in parallel to the relay Ei is claimed in this circuit in the reverse direction, so that the relay El can respond. When responding, it closes contact 5 ^ 1 and thus a self-holding circuit that becomes effective after contact 1 e is closed and contact Av is opened:

2. +, Ie, G2, Sei, El, Wl, -.

The rectifier G 2 located in the holding circuit is switched in the forward direction, so that the relay E2 lying parallel to it cannot respond in this circuit.

At the beginning of the second pulse, contact 1 e is opened again and contact 2 e is

809 658/69

closed. The holding circuit 2 for the relay E 1 is thus interrupted by contact It '. The relay £ 1 drops out with a delay due to the rectifier Gl connected in parallel. With contact 2 «? a circuit for relay E2 is closed:

3. +. 2e, Gl, Sei, E2, W2, -.

The rectifier G1 is loaded in the forward direction, the rectifier G 2 in the reverse direction. When relay El drops, a holding circuit for relay £ 2 is closed with contact 6 e2:

4. +, 2e, GZ, 6e2, £ 2, W2, -.

At the beginning of the tenth pulse, relay £ 10 is energized via contact 13 and 9. The relay £ 10 continues via contact 14 _t '10 after it has responded:

5a) +, 2e ,, 14clO, £ 10, W2. -.

When using the chain as a ring chain, the relay E1 can be energized again at the beginning of the eleventh pulse if the dash-dotted connection is omitted and the dashed connection is set in its place. The holding circuit for relay £ 10 then runs via rectifier G1, which is connected in parallel to relay E1:

5b ") +, 2e, Gl ,, 14ί? 10, £ 10, W2, -.

At the beginning of the eleventh pulse, relay E 10 is switched off; it drops with a delay through the rectifier GlO. During the release time, a new circuit is effective for relay £ 1:

6. +, le, GlO, 14 * 10,, £ 1, Wl, -.

With the twelfth impulse, relay £ 2 in circuit 3 is energized again.

The operation of the relay chain shown in Fig. 2 corresponds to the coming into effect sixth pulse of the chain according to FIG. 1. After the arrival of the fifth pulse and after the fall of the Relay £ 4 consists of the following holding circuit for relay £ 5:

7. + .lc., G 6, 9 <? 5, I £ 5, G15, 16 «, Wl, -.

At the beginning of the sixth pulse, this circuit is interrupted by contact 1 e and a new circuit for relay £ 5 becomes effective with contact 2 t ':

8. -f. 2e, GB, 9e

F 2, -.

..., 2Ow
21el

2 /, II Γ, -.

lais £ 5 drops out with a delay due to the rectifier G 6. A circuit for relay £ 4 is closed at contact 1 e:

10. +, le, G6, 9 <> 5, II £ 4, G24, ISu, Wl, -.

The relay £ 4 responds and remains on its contact after the relay £ 5 has dropped out via one of its contacts
closed circuit:

50

In this circuit, a control relay U responds, opens its contacts 15 u, 16 u and closes its contacts 17 2f, 18 u, 19; /, With contact 19 u a holding circuit for the control relay is closed:

The relay causes the chain to switch, which enables the through the first five pulses Relays £ 1 to £ 5 energized in a certain sequence and then de-energized during impulses six until ten are re-energized and de-energized in reverse order. The windings II of the relays Correspondingly, £ 1 to £ 5 are not explicit holding windings, but response windings, via which the respective relay is held at the same time.

Upon arrival of the seventh pulse is interrupted by contact 2 c of the circuit. 8 The Re-

11. +, Ie, G4, 8e4, II £ 4, G24, 18ji, Wl, -.

When the eighth pulse arrives, this holding circuit at contact 1 e is interrupted. The short-circuit circuit of its second response winding II which causes the drop-out delay of relay £ 4 runs via rectifier G 24, contact 18 u and rectifier G 5. During the drop-out time of relay £ 4, a response circuit for relay £ 3 is closed:

12. +, 2e, GS, 8i> 4, II £ 3, G23, 17 u, W2, -.

When the tenth pulse arrives, relay E 1 is energized again:

13. +, 2e, G3, 6i> 2, II £ 1, G21, 17m, W2, -.

The relay £ 1 responds and closes its contact 5 el, via the one when the relay £ 2 drops out Latching circuit becomes effective:

14. +, 2e, Gl, Sei, UEl, G21, VIu, W2, -.

The contact 21 e 1 is opened when the relay £ 1 responds, but the relay U is temporarily held by the contact 2Ow in the circuit 9.

At the beginning of the eleventh pulse, a new circuit is closed for relay £ 1:

15. +, Ie, G2,

IEl

22 u, IW

Wl, -.

In this circuit, the control relay W is energized, which opens its contact 20 and closes its contact 23 w. On contact 2Ow the relay U is turned off and the contact 23 w a holding circuit for the relay W closed:

16. +, ..., 23w, UW, -.

At the beginning of the twelfth pulse, relay £ 2 is switched on again:

17. +, 2e, Gl, 5fl, I £ 2, G12, ISU. W2, -.

During the twentieth pulse, the relay U is held via its winding II and the contact 24 e until the contact 21 el is open.

By switching on the control relay W and thus switching off the control relay f7, it is possible to generate another five pulses by exciting the chain relays in the sequence observed when the first to fifth pulse arrives and then, after relay U responds again, another five pulses by exciting the relay count in reverse order. With the chain shown in FIG. 2, a number of pulses can be counted which is four times as large as the number of chain relays. By using an additional control relay, the number of countable pulses can be doubled while the number of chain relays remains the same.

If only three chain relays are used instead of the five chain relays, it is possible to count twelve pulses while using the control relays U and W at the same time. With one of three chain relays £ 1

Claims (1)

Up to £ 3, the rectifiers G12 to G15 and G 21 to G 24, which separate parallel circuits, can then be saved. Since when counting pulses both with the chain according to FIG. 1 and with the chain according to Fig. 2, apart from the time of switching, only one chain relay is energized, can the states of the chains can be marked in a simple manner via working contacts. Only the control relays U and W of FIG. 2 have to be equipped for marking with changeover contacts or a combination of normally open and normally open contacts that replace them. The following table shows at which pulse the individual relays are energized. pulse Clock relay contact
(closed) Chain relay Fig.l Fig. 2 Control relay
Fig. 2 ! .... le £ 1 £ 1 2 2e £ 2 £ 2 3 .... II? £ 3 £ 3 4 2e £ 4 £ 4 5 .... Ie £ 5 £ 5 6 2e £ 6 £ 5 U 7 .... II? £ 7 £ 4 U 8 2e £ 8 £ 3 U 9 .... II? £ 9 £ 2 U 10 2e £ 10 .... £ 1 U 11 .... Ii £ 1 £ 1 W .... 12 2e £ 2 £ 2 W .... 13 .... II? £ 3 £ 3 W .... 14 2e £ 4 £ 4 W .... 15 .... II? £ 5 £ 5 W .... 16 2e £ 6 £ 5 U ... W .... 17 .... le £ 7 £ 4 U ... W .... 18 2e £ 8 £ 3 U ... W .... 19 .... II? £ 9 £ 2 U ... W .... 20 2e £ 10 £ 1 U ... W .... To distinguish the pulses 1 to 10 from the 35 connected to the winding of each relay (e.g. £ 1) pulses 11 to 20, a control relay can be used in the arrangement according to the rectifier (Gl) effected in FIG. the warning is dimensioned in such a way that a chain relay (for example borrowed like the control relay W of FIG. 2 in the eleventh 1) is switched on after it has been switched off until the effective pulse. This control relay can be the holding circuit for the in the chain z. B. in the dashed connection are downstream relays (£ 2) remains effectively energized, or parallel to the relay £ 1 depending on 3. Circuit arrangement according to claim 1 or 2, a working contact of the relay £ 10 are excited, characterized in that the first chain relay and then a second or the same relay (£ 1) when a pulse arrives after winding in a self-holding circuit. Switch on the last chain relay (£ 10) again 45 is excited (Fig. 1). Claims: 4. Circuit arrangement according to claim 2, characterized marked that when one arrives 1. Circuit arrangement for pulse-controlled pulses after switching on the last chain counting chain in telecommunication, especially remote relays (£ 5), a control relay (U) becomes effective, intercom systems in which the chain relays in two 50, one when further pulses are received. Groups are divided and, depending on the gende excitation of the chain relays in the reverse state of a clock sequence assigned to both groups (£ 5, £ 4, £ 3, £ 2, £ 1) prepared, relay switching alternately relays from every 5th circuit arrangement according to claim 4, da group effective, characterized in that each chain relay (£ 1 that the response winding of each chain relay 55 to £ 5) with two response windings (I, II) connected (z. B. E 1) through one a drop-out delay can be seen, of which the rectifier (Gl) causing the excitation is bridged, the chain relay in a certain order and one when one of the chain relays (El, £ 2, £ 3 ...) the other (II) in the event of excitement in (e.g. £ 1) by a single own tax-opposite order (£ 5, £ 4, £ 3 ...) contact (5 el) via the claim development ge 60 is switched on and that each of the two winding-closed holding circuits via the parallel to the lungs of a chain relay simultaneously serves as holding the chain relay winding downstream in the chain. (£ 2) switched rectifier (G2) runs. 6. Circuit arrangement according to claim 5, there- 2. Circuit arrangement according to claim 1, characterized in that, as a function of characterized in that each one of the groups 65 is assigned to the state (fallen off, attracted) of the genannpen of chain relays (eg £ 1, £ 3 ...) - th control relay (LO either that at the Erneter contact (1 e) of the clock relay circuit the activation of the chain relays in a certain sequence holding circuit of a chain relay (e.g. £ 1) before (£ 1, £ 2, £ 3...) switched on Winding (I) of one of the switching on of the chain relay downstream in the chain (e.g. £ 4) or the relay (£ 2) that is interrupted when the chain is excited and that of the parallel 70 of the chain relays in the opposite order (E 5, E4, EZ ... ) Switched-on winding (II) of the chain relay upstream in the chain (e.g. £ 3) are connected in parallel to a rectifier (G 4). 7. Circuit arrangement according to claim 5 or 6, characterized in that when the chain relay is excited in a certain order (-El, El, £ 3 ...) in the switch-on circuit of a chain relay (z. B. £ 4) lying contact (7e3) of the relay upstream in the chain (£ 3) when energized the chain relay is in the opposite order (E5, -E4j E3 ...) in a self-holding circuit for this relay upstream in the chain (£ 3). 8. Circuit arrangement according to one or more of claims 4 to 7, characterized in that a second control relay (W) , which becomes effective when a pulse arrives after the first chain relay (£ 1) is switched on again, switches off the first control relay (U). 1 sheet of drawings © iOJ 652/69 10.