SU816839A1 - Device for controlling signal lights of exi tsignals of central electric interlocking - Google Patents

Description

1 -:: The device relates to railway automation and telemechanics and can be used to control the movement of trains at stations. A device for controlling the signal lights of the output traffic lights of electrical interlocking is known, comprising dialing and actuating units connected in series with each other and connected to the signal lamps of green, yellow, red and moon white lights, the signal lamp selection unit and fire relays connected to the winding signal t.transformer and to the signal lamps through the contacts of the signal relays of train and shunting routes, and the line signal relay 1. The drawback of the device is the high consumption of relays oh equipment that increases the cost and decreases the reliability of the device. . . The purpose of the invention is to increase the reliability of the device. . The goal is achieved by the fact that the signal lamp selection unit is made on the green, yellow, red and moon white lights, diodes and triacs of the warning lamps included in the power supply circuit, and the direct inputs of each of the latter are connected via series-connected contacts of the train, shunting and light- . a linear signal relay to the power supply, and the control input of the diode to the outputs of the execution unit. The drawing is a schematic diagram of the proposed device. ., The device contains executive units 1 and .2, respectively, of one 3 and the other 4 output traffic lights. The outputs of the Executive units are combined and connected to a common signal relay 5 with contacts 5.1 and 5.2, maneuvers with eight signal relays 6 with contacts 6.1 and 6.2 and a linear signal relay 7 with contacts 7.1, and another way the winding of the signal line is connected to the negative pole 8 of the source power, winding common signal 5.i.rele 6 are connected to the outputs of blocks 9 and 10 of the dialed group, such as sending from the second and fourth paths. The inputs of the execution units 1 and 2 are connected to other nodes of electrical interlocking at the speeds 111-18, and by buses 19-22 - OC to the control inputs of the respective triacs 23-26, which are included in the power supply circuits of the lamps 27 and 28 green, 29 and 30 yellow and The 31 and 32 moon-white lights of the traffic lights 3 and 4. The control input of the triacs 23 and 25 via diodes 33 and 34 is connected (they are not connected to the control inputs of the STI 24 and 26, 35 and 36, and the positive pole 37 of the power supply through the resistors 38 and 39 and diodes 40 and 41. with control inputs of triacs 42 and 43 included in the power supply circuit of lamps 44 and 45 edges In series with lamps 27–32 of traffic lights 3 and 4, contacts 5.1–7.1 and fire relays 46–48 are connected, and through contacts 5.2 and 6.2 of signal relays 5 and 6, lamps 27–32 are connected to the negative pole 8 of the power supply. All lamps of traffic lights 3 and 4 included a signal transformer 49 with a winding 50.

The device works as follows.

At tzse weekend hostile traffic lights 3 and 4, etc. installed a set of common signal relays 5-7. The switching of the signal relays is carried out through the execution units 1 and 2, which commute the switching circuits of the common signal relays over the buses. 11-18, depending on the set departure route from the corresponding station path. The dial blocks 9 and 10 of the dispatch paths switch the initial circuits of the on and the supply of signal 1, relays 5-7 along the established route in accordance with the switching of the circuits of blocks 1 and 2. To separate the switching on of the output traffic lights, buses 19-22 from. Tires 11,13 are used. , 15 and 16 of each executive unit involved in this route.

Selective selection of the output traffic lights in the established departure route is made by a group of triacs 23-26, 35 and 36, 42 and 43, etc. For each traffic light installed one group of triacs.

Prior to installing the route, for example, at traffic lights 3, a red fire lamp 44 is on, and all lights are on, the lights are turned off by the contacts of alarm relays 5.1 and 6.1. The red fire circuit passes through triac 42, which is open due to positive bias through diode 40 and resistor 38, while triac 35 is closed. Similarly, the red lights on all other traffic lights are turned on.

When installing the train route, relays 5 and 7 are turned on and the power supply circuits of the traffic lights permit lights. At the same time, bus 19 receives an offset and triac 23 opens and turns on a green or yellow circuit (depending on the state of the distance that is determined by the linear relay 7) lights on traffic light 3. Through bus 19 simultaneously receives power through the bias circuit through diode 33 triac 35, which, when opened, forms a shunt circuit for triac 42, it. The red lamp turn-on circuit opens and this light at traffic light 3 goes out. At the exit traffic lights 4, etc. with this, the triac 43 is open and the edge lamps 44 and 45 continue to burn.

When installing a shunting route, for example, through blocks 1 and 9, a relay 6 is turned on, which produces a total connection of white lamps 31 and 32 of the output traffic lights 3 and 4. Simultaneously, bias circuits 35 and 24 are created via bus 19. Triac 23 does not open) is set because its anode circuit is open by contacts 5 and 2 relays. The triac 42 is turned off, the red light 44 turns off, and the triac 24 turns on the white light circuit 31 at traffic lights 3. At all other traffic lights, due to the closed state of the triacs 36, etc., and the open state of the triacs 43, the red lights continue to burn .

Taking into account that the shunting signal should not be closed when the train slopes exit the shunting traffic light, bus 20 is used to maintain the bias circuit of the triacs 35 and 24 until the maneuvering train clears the approach area or the first arrow section behind the traffic light.

The circuit with the use of triac keys ensures the safety of train movement, since in all cases of a break or a triac the traffic light maintains a prohibitory indication. To do this, all permissive lights of the traffic lights are connected via contacts 5.1 and 5.2, 6.1 and 6.2 of signal relays 5 and 6 at both poles of the power supply, and in addition, there are firing relays 46-48, etc. in the circuit that perform integrity monitoring only traffic lights, but also triacs.

The proposed device reduces the relay equipment and increases reliability when meeting the requirements for traffic safety.

Claims (1)

Invention Formula A device for controlling the signal lights of the output traffic lights of electrical interlocking, containing dial-up and executive units, connected in series with each other and connected with sign lamps of green, yellow, red and moon-white lights, unit for selecting a signal lamp and fire relays connected to the winding of the signal transformer and to the signal lamps via the contacts of the signal relays of train and shunting routes and the line signal relay, which, in order to improve reliability, the signal lamp selection unit is not connected to the power supply signal lamps of green, yellow, red and moon-white lights, diodes and triacs, with the direct inputs of each of the latter connected through sequentially connected contacts of a train, shunting and linear signal relay to to the power point, and the control input through the diode to the outputs of the executive unit. Sources of information taken into account in the examination 1. Cossacks A, A. Relay centralization of arrows and signals. M., Transport, .1978, Ci 250.