SU1523448A1 - Automatic locomotive signalling system device - Google Patents

Abstract

The invention relates to traffic safety systems and can be used in railway transport. The purpose of the invention is to increase reliability. The device contains a speed control unit and vigilance checks consisting of a decoder 1 with a relay 2 of a single vigilance test, and a speed control relay 3, the input of which is connected to the output of the speedometer 5 connected to the input of the And 4 element, another input of which is connected to the pressure sensor 8 in brake cylinders, and the output - to the input of the element OR 6, the other input of which is connected to the output of the speed control unit and vigilance testing, and the output - to the input of the electropneumatic valve 9 of the hitchhiking. 1 il.

Description

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The invention relates to traffic safety systems and can be used in railway transport.

The purpose of the invention is to increase reliability.

The drawing shows a block diagram of the proposed device.

The device contains a speed control unit and vigilance checks consisting of a decoder 1 with a relay 2 of a single vigilance test, a relay 3 of a speed control and a periodic vigilance check, the outputs of which are connected to the element 4. And the decoder is connected to the speed indicator 5 and one of the inputs of the logical element OR 6, the second input of which is connected to the output of the element 7, one of the inputs of which is connected to the speed meter 5, and the other to the sensor 8 of the pressure of the brake cylinders. The output of the logical element OR 6 is connected to the electro-pneumatic valve 8 auto-stop.

The device works as follows.

When the device is turned on and the vigilance grip (not shown) is turned on, the relay 2 of the vigilance single check and the speed control relay 3 and the periodic vigilance check are turned on and the signal from the output of the AND 4 logic element through the OR 6 element is fed to the auto-stop electro-pneumatic valve 9. When changing lights of a locomotive traffic light or during periodic checks of vigilance, relay 2 or 3 is turned off respectively, and power is removed from the electropneumatic valve 9 of the stop. The whistle is heard last. To stop the whistle, the driver presses the alert knob and the above-described purpose of supplying the electropneumatic valve is set. On the station from the speed meter 5, the signal arrives at one of the inputs of element 7. At the same time, the operation of the circuit does not change, since there is no signal at the second input of the And 7 signal. In doing so, the validity of the checks of the alert

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bear on stand To stop vigilance checks in the station, it is necessary to brake the locomotive. In this case, the signal from the pressure sensor 8 enters the input of the element AND 7 and from the output of the element AND through the element OR 6 to the electropneumatic valve 9. As a result, the electropneumatic valve on the parking stand receives continuous power only after the locomotive is braked. It should be noted that changing the lights at the locomotive traffic lights at the station also does not lead to de-energizing the EPA. This provides the opportunity, if necessary, to leave the cabin without turning off the EPA. Thus, the control of going back is provided, since when the brakes are released or movement occurs, the signal from one of the inputs of the logic element And 7 disappears, and consequently, the EPA is provided, which leads to emergency braking by hitchhiking. It should also be noted that immediately after the release of the brakes, a periodic check of the driver’s vigilance begins to operate, which increases the effectiveness of monitoring him from the moment the brakes are released.

Claims (1)

Invention Formula An automatic locomotive signaling device containing a decoder connected to the receiving coils and a driver’s vigilance control unit and checking the driver’s vigilance connected to the input of the auto-stop valve’s auto-pneumatic valve with a speed meter and the AND element, characterized in that, for the sake of reliability, it is equipped the OR element and the pressure sensor in the brake cylinders connected by the code to the AND element, the second input of which is connected to the speedometer output, and the output through the OR element is connected to the mentioned .The inputs elektropnevmatines- autostop one valve, the other input of OR gate connected to the output of the decoder.