DE1081042B - Circuit arrangement for route control in track diagram signal boxes - Google Patents

Description

Circuit arrangement for route control in track diagram signal boxes The invention relates to a circuit arrangement for route control in track diagram signal boxes, in which when you press a start and a destination button for each route above the Power networks simulated by the track system in two opposing selection processes Relays are switched on, which are assigned to the turnouts belonging to the route are.

In Gleisbi.ldstellwerk are in a known way for route control, d. H. for setting, closing and / or defining or dissolving the routes, Start and finish buttons or relays controlled by these provided, the start and End of a route over a schematically reproduced in a table Mark the route. Each switch are the ones for the lock b @ zw. the definition and the resolution required switching means assigned. Here you have the circuits, for checking and selecting relays for the various routes appropriate turnouts are required, the track plan of the corresponding track or. Reproduced from the train station. In these power grids, contacts each have a starting and target button directly or indirectly each a selection circuit for all of the Starting or destination point switched on from possible routes from switch to switch and controlling those. Route made for which there are two circuits cover that come in opposing selection processes. the two opposing selection processes are required, since in each Selection process, only the relays of those turnouts can be clearly selected can, whose associated circuit strands are at the beginning of the circuits and from the blunt side, d. H. of the plus or minus strand of the switch corresponding circuit strands are turned on.

In the known circuit arrangements of this type is previously for each of the opposing selection processes requires its own power supply. The second power grid is either simultaneously with the first power grid or only switched on when the switching of the selection circuit in the first power grid has ended. These two power grids result in a proportionate large expenditure of switching means, line connections and thus also a high one Number of soldered connections and the like, which reduce the level of security of the system will. In addition, in such circuit arrangements in the one power network as many test relays are arranged, such as. B. tracks are present while in the other power network as many test relays are arranged, such as. B. Railway station tracks available. According to the invention, these disadvantages are eliminated in that the same power network for both opposing selections in this way is used that a responding test relay at the end of the first selection process through directly or indirectly controlled contacts for the first selection process Shuts down the intended feed current source of the power grid and the feed current source as well as switching on the test relay for the second selection process to the mains, wherein the first test relay and the switch position relay actuated in the first selection process Remain energized at least until the second test relay responds. The falling away this relay that responds in the first selection process can be replaced by a sufficient Dropout delay or a holding winding can be prevented by the test relay is switched off again for the second selection process. Instead of two power sources the same power source can also be used for both selections if at the end of the first selection process the supply connections are swapped.

To prevent the relay from responding during the first selection process, which can only be clearly selected during the second selection process, e.g. B. the Switch position relay the one corresponding to the switch tip during the first selection process Circuit strand controlled turnouts can be used in the circuits of these relays further working contacts controlled directly or indirectly by the first test relay be arranged. However, it is also possible to have different options for the two selection processes To use current directions or types of current, e.g. B. direct current and alternating current, and rectifiers connected upstream of the relay, as required in the first selection process selectable relays for both types of current, on the other hand those in the second selection process selectable _ To make relays responsive only for the second type of current.

Should the circuit parts assigned to the individual turnouts be complete be constructed in the same way, regardless of whether the switch is in the first or in the second Selection process is selected from the blunt side of the switch tip, so this can be achieved by assigning an auxiliary relay to each turnout, -that is connected to the circuit strand corresponding to the switch tip and at its response temporarily the circuit of the associated switch position relay, d. H. until the second selection process, interrupts, for each of the two selection processes is sufficient regardless of the number of: Railway station tracks only have one test relay at each end of the power grid. However, it is It is also possible to arrange a test relay for each line or station track.

1 to 3 are two exemplary embodiments of the subject matter of the invention and further features of the invention explained in more detail.

1 shows the track system of a station head, schematically simulated on a table, with the main tracks X and Y and the station tracks 1 to 4, which are connected to one another by the switches W 1 to W 6. To set the route, tracks X and Y are assigned the buttons TX and TY and the station tracks 1 to 4 are assigned buttons T 1 to T 4 . It is assumed, for example, that the TX and TY buttons are only used as start buttons and the T1 to T4 buttons are only used as destination buttons for entrances from track tracks X and Y into station tracks 1 to 4.

FIG. 2 shows a circuit arrangement provided for setting routes, the upper part of which is modeled on the track system shown in FIG. In this power network, each switch W 1 to W 6 is assigned a switch position relay 1+ to 6+ characterizing the desired plus position and a switch position relay 1- to 6+ characterizing the negative position. Each turnout relay 1+, 1-, 2+, 2-etc. has two contacts 11+ and 12-f-, 11- and 12 -, 21-i- and 22+ etc. and two windings A and H, of which the windings A connected to the mains supply the response and the windings H the Holding windings are. The holding windings H are arranged in a separate local circuit and, after the contact P13 controlled by the test relay P1 has closed, are switched via self-holding contacts 12-, 12-I- to 62-, 62+ of the switch position relays 1-, 1+ to 6-, 6 + excited. To feed the power grid in the respective selection process, the alternately connectable supply current sources S1 and S2 are provided at the beginning and end of the power grid. In the example shown, it is assumed that the feed current source S1 is switched on during the first selection process; a trip from one of the station tracks 1 to 4 to track X or Y should be selected. In the second selection process, the supply current source S2 is switched on, which corresponds to a journey from track X or Y to a station track -1 to 4. In each selection process, only the switch position relays of those switches are energized whose circuit strands point with the blunt side, ie with the plus and / or minus strand, to the respective supply current source. So in the first selection process only the switch position relays 1+ or 1-, 3+ or 3-, 4+ or 4-, 6+ or 6- can be energized. The switch position relays 2+ or 2- or 5+ or 5- can only be energized in the second selection process.

The start and end of the circuit to be selected in the two selection processes are connected using the contacts TX1, TYl, T11, T21, T31 or T41 controlled by the route buttons TX or TY and TI, T2, T3 or T4 or via contacts from Relays assigned to the route buttons. The second selection process begins with the response of the test relay P1, which is arranged at the end of the circuit switched through in the first selection process. The test relay P1 switches off the supply current source S1 directly or indirectly and switches on the supply current source S2. In the example shown, an additional relay U1 is arranged, which is switched on by the test relay P1, which responds after the first selection process, via the contact P12 controlled by it. When relay U1 responds, contact U12 switches off the supply current source S1 and at this end of the power supply system, contact U11 switches on test relay P2 for the second selection process. The feed current source11eS2 is now connected to the other end of the power network via contact P 11 of test relay P 1 and contact F 11. The contact F11 is controlled by a relay, not shown, which z. B. is assigned to the Fahrs.strasse buttons TX, TY, T1 to T4 and only responds when a route button and a station track button are pressed. The contacts U 13 and U 14 are also controlled by the relay U 1, through which the response of the switch position relays 2+, 2-, 5+ and 5- is blocked in the first selection process and only released in the second selection process. In the circuits of the switch position relays l +, 1-, 2+, 2-, etc., further unspecified contacts are arranged, which are controlled by exclusion switching means, for example the route setting relays assigned to the switches, protective switch setting relays or the like because they have nothing to do with the essence of the invention. For the same reason, the circuits that depend on the response of the test relays P1 and P2 have not been shown.

To explain the mode of operation of the circuit shown in FIG. 2, it is assumed, for example, that a route is to be set for the entry from track X into station track 2. When the route keys TX and T 2 are actuated, the key contacts TX1 and T21 are closed in FIG. 2: The switch position relay 3+ receives response current from the supply current source S1 and via the contacts U12 and T21. At the same time, the switch position relay 1- receives via the contacts U12, T21, 31- and 21- and the test relay P 1 response current via the contacts 11+ and TX 1. In addition, the switch position relay 4- can respond via contacts U12, T21, 31- and 21-I-. Contacts 31-I-, 11- and 41- are opened and contacts 32+, 12- and 42- are closed by the turnout relays 3+, 1- and 4-. Since the contact P13 is closed by the response of the relay P 1, the holding windings H of the switch position relays 3+, 1- and 4- are each excited via the associated self-holding contacts 32+, 12- and 42-. Through the contact 31+, 11- or 41-, the response of the switch position relay 3-, 1-1- and 4-I- assigned to the other switch line of the relevant switch W 3, W 1 or W4 is connected.

In addition, the contacts P 11 and P 12 have been closed by the test relay P 1, so that the supply current source S2 for the second selection process is connected to the mains via the contacts F 11 and P 11. The voltages and / or the types of current or current directions of the current sources S1 and S2 are selected so that all relays connected to the mains can respond to them. But it is also possible to use the same power source. In this case, only the similar supply connections S 1 and S2 are switched on alternately.

The supply current source S1 is switched off for the first selection process by the relay U1 responding via the contact P 12, which closes the contact U11 and opens the contact U12. However, the test relay P1 remains energized via the contacts P 11 and F 11. The switch position relay 2-I- now receives response current via the contacts F 11, P 11, TX 1, 11-I- and U13 and the test relay P 2 via the other contacts 21-, 31-, T21 and U 11. The holding windings H of the switch position relays 3-f-, 1- and 4- that were switched on in the first selection process are switched off by contact P21 of the responding test relay P2. Only the switch position relays 3-I- and 1- remain in the active position due to the response windings A, which were also excited in the second selection process, until the buttons TX and T2 are released. On the other hand, the switch position relay 4- drops out, since the contact 21-I-- is now open.

So only those remain after the second selection process Switch position relay energized, which is the same in the first and second selection process switched circuit are connected. These relays then work together with the test relays P 1 and P 2 that they belong to the selected route The course must be set in the appropriate position.

In Fig. 3 a circuit arrangement for the control of routes is shown, in which to simplify the manufacture and assembly and also to facilitate the conversion of signal boxes in operation, eg. B. in station extensions, all circuit accessories that require individual wiring measures, such. B. the contacts U 13, U 14 in Fig. 2, are avoided. Therefore, uniformly wired switch relay groups can be manufactured and used for every operational situation, ie regardless of the position of the switch tip.

The same designations have been used for the switching means, which are also arranged in one of the track systems (FIG. 1) simulated, insofar as they have the same design and function as the switching means already shown in FIG. 2. However, the circuit arrangement is designed in such a way that the switch position relays 1-I-, 1-, 2+, 2-, etc. which respond to the first and second selection process are not switched on simultaneously, but in a chain-like manner one after the other via continuous switching contacts that are controlled by previously responding relays and in the circuit strands corresponding to the turnout strands are arranged. This also applies to the test relays P 1 and P 2 assigned to the ends of the test circuits, each of which is switched on in the corresponding selection process by the switch position relay that responded last. When the power supply is connected to the supply current source S 1, the switching contacts from the switch position relays 1 -; -; 1-, 3 +, 3-, 4 +, 4-, 6-I-- and 6- controlled contacts 13-f-, 13-, 33-I-, 33-, 43-f-, 43-, 63 + or 63-. In contrast, during the first selection process the contacts WA21, WA22, WA51 or WA52, which are selected by a Auxiliary relay WA 2 or WA 5 assigned to each switch can be controlled. These auxiliary relays WA2, WA 5 are switched off again before the second selection process by temporarily interrupting the power supply. The switching contacts are opened again and the contacts WA 23, WA 24 or WA 53, WA 54 are closed, which interrupt the circuit of the switch position relays 2+ and 2- or 5-I- and 5-during the first selection process. Correspondingly, the switches W 1, W 3, W 4 and W 6 are each assigned an auxiliary relay WA 1, WA 3, 97A 4 or WA 6 , which connects the contacts WA 11 to WA14, WA31 to WA34, WA41 to WA44 or WA 61 to WA 64 controls. The indexing contacts WA 11, WA 12, WA 61 and WA 62 of the auxiliary relays WA1 to WA6 assigned to the turnouts are the indexing contacts 13-, 13-I- to 63-, 63-I- of the turnout relays 1-, 1-i- etc. up to 6-, 6+ connected in parallel and bridge these if necessary. Contacts 14-I-, 14- to 64-I-, 64- of the associated switch position relays 1-I-, 1- to 6-I-, 6- are connected upstream of each auxiliary relay WA1 to WA6, which enable the auxiliary relay WA to respond 1 to WA 6 as long as a switch position relay is energized.

The temporary interruption of the power supply is caused by the test relay P 1 and the relays U 1 and U2 assigned to the test relay P 1, which ensure a gap in the power supply between the first and the second selection process, through which the dropout of the auxiliary relays excited in the first selection process WA2 or WA5 is ensured.

If, for example, the route from track X to station track 2 is set, when the buttons TX and T 2 are pressed, contacts TX 1 and T21 and, in addition to contact F 11, the corresponding contacts F 12 to F 14 the contacts F 13, U 12, T21 and WA 34 the switch position relay 3-I- response current, which operates its contacts 31+ to 43-1-. The opened contacts 31-I- and 34-I- prevent the auxiliary relay WA 3 and the switch position relay 3- from responding during the first and second selection process. The holding winding H of the switch position relay 3-I- receives current via contact 32-I-. The auxiliary relay WA 2 assigned to the switch W2, which switches its contacts WA21, W422, WA23 and WA24, is now switched on via the switching contact 33-I- and the contacts 24- and 24-f-. The switch position relays 2-f- and 2- are blocked by the contacts WA23 and WA24. The switch position relay 4- is switched on via the switch contact WA21 and the switch position relay 1- is switched on via the contact WA 22. Contacts 11- to 14- and 41- to 44- are actuated by these relays. The holding winding H of the switch position relay 4- or 1-is excited via the contact 42- or 12-. Although the incremental contacts 13- and 43- are now closed, the auxiliary relays WA I and WA4 cannot respond because the circuit of relay WA 1 through contact 14- or 14-h, the circuit of relay WA 4 through contact 44 -respectively. 44-I- is interrupted. By closing the switch contact Fort 13- contrast, talks about the contact TX 1 to the test relay P 1 for the first selection process.

The test relay P 1 is provided with a response winding A and a holding winding H. The holding winding H is - as long as the contact F 12 is closed, that is, as long as the buttons TX and T 2 are pressed - excited via the self-holding contact P 13. The relay U 1 is also switched on via the contact P 13, which switches over its contacts U 11, U12 and U15 . The contact U12 switches off the supply current source S 1 for the first selection process. The contact U 11 switches the test relay P 2 for the second selection process to the mains. The contact U15 switches on the relay U2, which when it responds by closing its contact U21 connects the supply current source S2 to the power supply. If the relay U2 still has a pick-up delay, the described sequence of operations of the contacts U11, U12 and U21 creates a power supply gap for the power grid. During this time the auxiliary relay WA 2 drops out again, so that the incremental contacts YYA21, WA 22 are opened again and the contacts WA 23, WA 24 are closed. The switch position relays 3-h, 1- and 4-, on the other hand, initially remain in their operative position due to the energized holding windings. Via the contacts F11, U21, TX1, 13-, 11-I- and WA24, the turnout relay 2-I- responds, which actuates its contacts 21-h to 24-I-. The test relay P2 then responds via the switching contact 23-I- and the contacts 33-h, 31-, T21 and U 11 that are still closed. The contact P 21 controlled by the test relay P 2 interrupts the circuit for the holding windings. H of all turnout relays. As a result, the switch position relay 4-is released, since its response winding A is already switched off by the contact 21-i-. The switch position relays 1-, 2-h and 3-I-, whose response windings A are connected to the circuit switched through in the first and second selection process, remain in the active position at least until the buttons TX, T 2 are released.

In the practice of the invention, one can use the holding windings H the switch position relay; Use 1-h, 1-, 2-I-, 2- etc. for other tasks as well. For example, these windings can be used to switch the turnouts individually or with several driving possibilities between two track points, e.g. B. on detour roads, the ; Block the setting of the route that is not required in each case.

The auxiliary relays WA1, WA2 us-, v. can for other purposes, e.g. B. for the individual resolution of the switch lock, s to be used.

Claims (7)

PATENT CLAIM: 1. Circuit arrangement for route control in track diagram interlockings, in which, when a start and destination button is pressed for each route above the track system, simulated power networks are switched on in two opposing selection processes, which are assigned to the turnouts belonging to the route, identified by the Use of the same power network for both selection processes in such a way that a test relay (P1) responding at the end of the first selection process, through directly or indirectly controlled contacts (U 12, U 11 and P 11 or U21), supplies the supply current source (S1 ) of the power grid and the supply current source (S2) as well as the test relay (P2) for the second selection process to the power supply, whereby the first test relay (P 1) and the switch position relays activated in the first selection process at least until the second test relay (P2) responds stay excited. 2. Circuit arrangement according to claim 1, characterized in that each switch position relay (3-I-) at when it responds, a self-holding contact (32-h) closes for a holding winding (H), the test relay (P2) assigned to the second selection process when responding is switched off by a contact (P 21). 3. Circuit arrangement according to claim 1 or 2, characterized in that in the circuits of the switch position relay (2-h, 2-, 5-I- or 5-) of the turnouts (W2 or W5), their associated parts of the power network in the first selection process from the circuit strand corresponding to the switch tip are switched on, contacts (U13 and U14) are arranged, which only after the close the first selection process. 4. Circuit arrangement according to claim 1 and 2, characterized in that each switch (W2) is assigned an auxiliary relay (WA2 in Fig. 3) which is connected to the circuit strand corresponding to the switch tip and, in the energized state, the circuit of the associated switch position relay (2 -I- and 2-) interrupted by contacts (WA 24 and WA 23) . 5. Circuit arrangement according to claim 4, characterized in; that in the circuit of the auxiliary relay (WA2) Contacts (24-I- and 24-) of the associated switch position relays (2-h and 2-) are arranged that prevent the auxiliary relay from responding as long as there is a switch position relay is excited. 6. Circuit arrangement according to claim 5, characterized in that a switching contact in the circuit strand corresponding to a turnout branch (WA22) of the auxiliary relay (WA2), which is activated by a switching contact (23-I-) of the The switch position relay (2-h) assigned to the switch line is bridged. 7. Circuit arrangement according to claim 6, characterized in that a power supply gap arises when the power supply to the mains is changed by the corresponding working sequence of the contacts (U11, U12 and U21) actuated after the first selection process, through which the dropping of the auxiliary relay (WA2 ) is ensured.