SU1687491A1 - Arrangement for interval-wise train traffic control - Google Patents

Description

and the second track track are connected to rail threads, respectively, ieree (MY and the fourth front contacts of the rail track fixing relay and through the first and second rear contacts of the same relay.

The invention relates to railway automation and telemechanics.

The purpose of the invention is to increase reliability.

FIG. 1 shows a circuit diagram of a relay end of a track circuit; Fig. 2 is a schematic diagram of the connection of power to rail wires; in fig. 3 is a schematic diagram of fixing the arrival of a train to a neighboring block section; Fig. 4 is a basic traffic light control circuit for driving lights.

The device contains a relay 1 with contacts 1,1-1.3, a track relay 2 with contacts 2.1 and 2.2, a phase-shifting relay 3 with contacts 3.1-3.4. relay 4 of train fixation with contacts 4.1 and 4.2 and repeater 5 of train fixation relay with contacts 5,1-5.3. In the power supply circuit of the winding of the repeater 5 relays of fixing the train, connected in series are contact 5.1 and contact BL. parallel to which pin 3.1 of the phase-shifting relay 3 is turned on. The control relay 6 with contacts 6.1-6.3 receives power through a circuit consisting of series-connected contacts 4.2 and 5.2 and its own contact 6.1, in parallel with which contact 1.1 is connected. The signal source is connected to the rail yarns 7 through contacts 3.2 and 3.3 and contact 6.2. To the other end of the different yarns 7 are connected the track windings of the traveling relays 1 m 2, the local windings of which are connected to a signal source. The relay 8 for fixing a rail chain with contacts 8.1, 8.2, 8.3 and 8.4 has in the power supply circuit series-connected contacts 2.1 and 3.4, in parallel with which are connected series-connected contact 5.3 and own contact 8.3. The winding of the relay 3 is connected to the A source pshngi through contact 2.2 and contact 1.2, in parallel with which the contact 8A is connected. Repeater9 track rel contact 9.1 is connected to the power source through pins 1.3 and b.Z. The device also contains a linear relay 10 with contacts 10.1 and 10.2. Contact 10.1 is included in the track winding circuit of the relay 1, and contact 10.2 with contact 9.1 is included in the power supply circuit of the control unit 11 for driving traffic light lamps.

The device works as follows.

When the train enters the block section preceding this one (or more

far), the contacts of the latching relay of the rail circuit of this block section turn off the power supply of the relay 4 of the fixation of the train to the gated block section. The front contact 4.1 of relay 4 turns off the slow-acting repeater 5 of the train fixing relay. As a result of the temporary mismatch of switching contacts 4.2 and 5.2, the power supply of the control relay 6 is turned off, which by its contact 6.1 opens

5 chain self-locking. With another pin 6.2, relay 6 disconnects the AC power supply from the rail line 7. If track relay 1 does not feed from an external power source, it immediately turns off when the power supply is disconnected and the rear contact 1.1 prepares the power supply circuit of relay 6, which finally closes the rear contact slow repeater 5 relay fixation train. At the same time, contacts 1.3 and 6.3 shortly disconnect the power supply circuit of the repeater 9 of the track relay, but due to the large deceleration time (the deceleration time for releasing the core of the relay 9 is three times longer than that of the relay 5), the relay 9 keeps the switch in the pulled position and the signal readings are unchanged.

In the case of feeding the track relay 1 from an external energy source due to erroneous actions of the maintenance per 5 sonal or other reasons, the power supply disconnection from the rail line is not accompanied by the switching off of relay 1. As a result, the control relay 6 does not receive power and turns off the repeater 9 with its contact 6.3 for a long time track relay. Last, after the deceleration time, releases the measles and contact 9.1 switches the signal indication from allowing to prohibiting (includes

5 lamp red fire).

When the train enters the block, the wheel pairs of the rolling stock are shunted and, as a result, the track relay 1 is turned off. As a result

contact 1.3 of the relay opens the power supply circuit of the repeater 9 of the track relay, which, after deceleration time to release the core, switches the indication of the traffic light enclosing this block-section from enabling to forbid- ding. In addition, contact 1.2 of the track relay disconnects the phase-rotation relay 3, which, after slowing down to release the core, contacts 3.4 disconnects the power supply relay latching relay track 8 (another power supply circuit of this relay is open by relay 5.3 relay 5, which even in the case of fast movement the short mobile unit can be switched on only by the rear contact 3.1 of the relay).

If, after the train enters the block section, the shunt mode of the track circuit is broken, the track relays remain forcibly in the off position by contact 10.1 of the linear relay 10 of the memory block until the train follows this block section and enters the upper section block plot. In this case, the traffic light enclosing the block, retains the prohibitory indication.

When the train releases this block section and actually locates it on the front block section, it is fed to the rail line through the rear contacts 3.2 and 3.3 of the AC supply relay 3 to the track relay 2 through the rear contacts 8.1 and 8.2 and 10.1. this contact 2.2 turns on the phase shifting

relay 3, which contacts 3.2 and 3.3 switches the phase of the alternating current supplied to the rail line. As a result, the track relay 2, the closure of the rear contact 2.1 to the power supply circuit of the relay 8, which contacts 8.1 and 8.2 switch the power to the track relay 1. The latter switches on and creates another power supply circuit of the relay 3 via the front contact 1.2 and the rear contact 2.2, and also connects the power contact 1.3 to the repeater 9 track relay. The front contact 10.1 this relay turns on the lamp allowing fire.

The automatic blocking system eliminates memorization of the shunt mode of the track circuit when a shunt is accidentally superimposed, for example, with track tools, or when removing a rail during track repair, as well as in any other similar situations, if the train was not in the previous block-section. In case of a random shunt position, contact 5.3 of relay 5 retains forced power supply of relay 8, which, on the one hand, holds power to phase-shifting relay 3, contacts 3.2 and 3.3 of which continue to feed rail threads 7, on the other hand, contacts 8.1 and 8.2 The connection to the rail lines 7 of the winding of the traveling relay 1 is maintained. When shunting (or an open circuit in the rail line), the track relay 1 is turned off and switches the signal at a traffic light from allowing a prohibitory indication only for the duration of the shunt inii).

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Claims (1)

DEVICE FOR INTERVAL REGULATION OF TRAFFIC MOTION, containing track relays, the local windings of which are connected to a signal source connected to one ends of the rail threads, the other ends of which are connected the track windings of the track relays, a linear relay whose rear contact is included in the power supply circuit of the track winding of the second track a relay, a repeater of the track relay and a control unit for the lamps of the traffic light, in the power supply circuit of which the contacts of the linear relay and the repeater of the first track relay are connected, in the power circuit of which the first front contact of the first track relay is switched on, characterized in that, in order to increase reliability, it is equipped with a control relay, a rail occupancy lock relay, a phase-shifting relay, a train clamp relay and a repeater of the latter, in the winding circuit of which the first front contact is connected in series train fixation relay and own first front contact, in parallel with which the first rear contact of the phase-shifting relay is connected, the first front contact of which is in series with the first rear contact to By the act of the second track relay, rail track occupation locking relays are included in the power supply circuit, and parallel to the indicated contacts are connected the own first front contact and the second front contact of the train hold relay repeater in series, the first front contact of the second track relay and the first are connected in series to the phase-shifting relay power circuit the rear contact of the first track relay, in parallel with which the second rear contact of the second track relay is connected in series and the second front contact of the first track relay, in parallel with which the second front contact of the rail-occupancy lockout relay is connected, and the second relay contact of the train fixation relay and the third front contact of the train fixation relay follower are connected in series with the rear-contact train fixation relay and the rear contact of the repeater train fixation relay, with the contacts indicated in series, the second rear con the act of the first track relay, in parallel with which the first front contact of the control relay is connected, the second front contact of which is included in the power circuit of the repeater winding of the first track relay, and the terminals of the power source are connected to the rail threads through the second rear and third front contacts of the phase-shifting relay and through the third rear and the second front contact of the same relay, in series with which the third front contact of the phase-shifting relay is connected, and the conclusions of the track windings of the first SU <„> 1687491 A1 and the second track relay are connected to the rail threads, respectively, through the gr-’ and the fourth front contacts of the latching relay for occupying the rail circuit and through the first and second rear contacts of the same relay.