SU725934A1 - Traffic light control apparatus - Google Patents

Description

(54) DEVICE FOR LIGHTING CONTROL

one

The invention relates to automation and remote control in railway transport, in particular to electrical interlocking of switches and signals.

A device for controlling a traffic light is known, which contains a relay notification relay, a time delay relay, a signal relay, a track relay, plus and minus switch monitoring relays 1.

A disadvantage of this device is the need for atypical installation, since for traffic lights requiring opening with a time delay, the front contacts of the time delay and the path from which the route is installed must be entered in parallel into the signal relay and for traffic lights that do not require opening With a time delay, such contacts are not needed in the excitation circuit of the signal relays.

The aim of the invention is to expand the field of application of the device.

The goal is achieved by the fact that the device is equipped with a mode selection relay, one winding of which is connected to a power source through parallel-connected front contact of the time delay relay and the front contact of the relay notification terminal, and the rear contact of the directional relay contact of the positive (negative) arrow control relay, the rear contact of the relay notification at the crossing, with the front contact of the mode selection relay included in the power supply circuit of the signal relay.

- The drawing shows a schematic diagram of the device.

The device contains a relay 1 of the notice for the crossing with contacts 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, switched on via contact 1.5 of relay 1 time delay block 2, to which relay 3 of time delay is connected with contacts 3.1 and 3.2.

Claims (2)

Via contacts 1.1 and 1.2 of relay I on the remote control 4, the lamp 5 of the notice for moving is switched on. The self-blocking circuit of the relay 1 includes contacts 6 and 7, respectively, plus and minus switch control relays (not shown) arrows 8 and contacts 9.1, 9.2 and 10.1, 10.2 of the track relays of the paths from which the route is set, with the floating contacts 9.1 and 10.1 connected to the 3 plus pole 11 of the power supply; and the rear contact 10.2 - with a minus pole 12. In the power supply circuit of relay 1, the contact 13 of the closing relay of the track section 14 is connected, and another contact 15 of this relay is connected to the power supply circuit of the mode selection relay 16 having contacts 16.1 and 16. 2. Contact 16.2 of the relay 16 is included in the power supply circuit of the signal relays 17 and 18 of the traffic lights 19 and 20 of the sending ways, from which the routes passing through the crossing are set. The power supply circuit of the signal relays 17 and 18 also includes the contacts 21 and 22 of the plus arrow control relays, respectively, arrows 8 and 23,.: The contacts 24 and 25 of the minus arrow control relays arrows 8 and 23, contacts 26 and 27 of the route relays ... The device works as follows. When setting the route through the crossing, the closing relay of the section where the crossing is de-energized and by its contact 13 switches off the power supply to the relay 1 of the notice, the crossing. Relay 1 continues to remain energized through the second winding through its own contact 1.3, contacts 6 and 7 of the positive and negative (depending on the route) pointer control relays and the closed front contact 9.1 or 10.1 of the track relay, from which the route is installed, if the path is free. After de-energizing the closing relay, the mode selection relay 16 will be energized through contact 1.4 of relay 1, notice of the crossing and contact 15 of the closing relay. In that case, if the path from which the route is established through. the relocation is busy, the relay 1 of the notice for the relocation will not receive power through its own contact 1.3, the contacts b or 7 plus and minus switch control relays, since the track relay will be without current and contact 9.1 or 10.1 will be open, therefore relay 1 will be de-energized. Further operation of the relay 16 depends on whether the traffic light is required to time-delay. Thus, when the route is installed, traffic light 20, which opens without a time delay, is connected to the rear contact 10.2 of the track relay with the same power supply on the winding of relay 1 for the crossing (power supply pole 12) and opposite power supply at the front Contact 10.1. Thus, when the path is occupied and the route set at the traffic light 20, the relay 1 of the notice for the crossing will be de-energized. But the circuit mode selection relay 16 is energized; pole 12, rear contact 10.2 of the track relay, contact 6 of the plus arrow monitoring relay, contact 1.3 of the crossing notification relay, winding of the relay 16, pole 11. For a traffic light 19 that requires opening with a time delay when setting the route through the crossing and busy path, rear contact, 9.2 track relay power is not connected. Thus, when setting the route through the crossing with the path occupied, the relay 1 of the crossing notification will be turned off, and the relay 16 will be energized only by contact 3.1 of the time delay relay 3 and contact 15 of the closing relay after the time delay 3 is activated. The relay 3 is energized as a result of de-energizing the relay 1 of the notice for the crossing and the operation of the block 2 time delay. The excitation of the relay 16 leads to its self-blocking and the closure of its front contact 16.2, introduced into the excitation circuit of the signal relays 17 and. An apparatus for controlling a traffic light, comprising a crossing notification relay, a time delay relay, a signal relay, a track relay, a positive and a minus switch control relays, characterized in that, with the purpose of extending the application, it is equipped with a mode selection relay, one winding of which connected to the power source through parallel-connected front contact of the time delay relay and front contact of the crossing notification relay, and the rear contact is connected in series to the power circuit of the other winding. Utev relay frontal contact the plus (minus) the switch controlling the relay, a rear contact of the relay notification to move, the front contact mode selection switch is turned on the power of the signal relay. Sources of information taken into account in the examination 1. Typical solutions 501-0-39, march-relay centralization schemes of MRP-9, vol. 3, inv. №-844/3, 1973, l. 63-69. O-H -g / 0-H 20  /.  ) 2 a / 2