SU1547012A1 - Device for transmission of signals - Google Patents

Abstract

The invention relates to automation and telemechanics and can be used to monitor the state of a large number of dispersed objects. The purpose of the invention is to increase the reliability of information transfer. The device contains 1,2,3 cells, each of which consists of thyristor 4, resistors 5 and 6, capacitor 7, resistor 8, diode 9, communication lines 10-13, resistor 14, optocouplers 15,16. The introduction of optocouplers 15, 16, resistors 8, 14, and line 13 into the device made it possible to eliminate false cell inclusions due to damage to the communication lines and thereby increase the reliability. 1 il.

Description

The invention relates to automation and telemechanics and can be used to monitor the state of a large number of dispersed objects.

The purpose of the invention is to increase the reliability of the transmitted information. The drawing shows the electrical circuit of the device.

The device for transmitting signals contains cells 1-3, each of which consists of a thyristor 4S of the first 5 and second 6 ohzistors, a capacitor 7, a third resistor 8 diode 9, a link, a fourth resistor 14, a first 35 and a second 16 optocouplers.

The device for transmitting signals operates as follows.

The two lines 10 and IJ of the junction receive the dc voltage-promoting clock pulses, while the polarity of the voltage in the power lines changes in each successive clock pulse.

To memorize the on state of this cell, a capacitor 7 of the next cell is used, which during the pause between clock pulses maintains the current through the control electrostristor 4, having a positive potential on lines H and 12 connections and a negative leakage line. 0 and 13 of the connection of cell 1, the charge of the capacitor 7 o Perekommutka jugentsial on lines 10 and 31 leads to the opening of the thyristor 4 due to the discharge of the capacitor 7 and the flow of current from the control electrode of the thyristor 4. Anode current of this type the torus flows through line 10, thyristor 4, resistor 3, light emitting diode of the second optocoupler 16 and then through line 12 of the connection, resistor 14 cell 25, the LED of the first optocoupler 15 to lindu S1, which at this time has a negative potential. In this case, the photothyristors of the second optocoupler 16 of cell 1 and the first optocoupler 15 of cell 2 are opened and the capacitor 7 of cell 2 is charged. The charge current of the capacitor 7 of cell 2 flows through the 0S line of the photothyristor of the first optocoupler 5 first resistor 5 and then through the line 13 of the connection, the magneto thyristor of the second optocoupler 16 of cell 1 to the line 1

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five

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five

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On line 11, the thyristor 4 cells 2 turns on and the thyristor 4 cells 3 prepares for switching on,

Resistor 5 sets the current and charge and discharge times for capacitor 7, resistor 6 limits the current in the control circuit of thyristor 4, and diode 9 conducts a hapany connection of the cathode of thyristor 4 with its control electrode.

Thus, when switching the clock bus, the thyristor on state is shifted.

Of the possible combinations of various combinations of the closure of communication lines among themselves, in one case only, a false switch-on of an izra-ka cell is possible: with the pairwise closure of lines L-12 and 13-10.

Since this closure is unlikely, the proposed device makes it possible to prevent false switching on and the transfer of false information, i.e. improve the accuracy of information transfer.

Claims (1)

Invention Formula A device for transmitting signals, made in the form of a spatial distributor, each of the cells of which contains a thyristor, a control electrode of which through a series-connected first and second resistors is connected to the first capacitor terminal, the cathode of the thyristor is connected to the diode anode, the anodes of the thyristors of odd cells are connected to the first line connection, the anodes of the thyristors of the even cells are connected to the second communication line, which differs from the fact that, in order to increase the reliability of the transmitted information, each cell is inserted The first and second optocouplers, the third and fourth resistors, the cathodes of the photothyristors of the first optocouplers are connected to the common point of the first and second resistors, the thyristor cathode is connected to the anode of the second optocoupler diode through the third resistor, the cathode of the second optocoupler diode of each cell, except the last connected to the anode of the diode of its first optocoupler, the cathodes of the LEDs and the anodes of the thyristors of the first optocouplers of the odd cells are connected respectively to 5 1547012 6 the first and second lines of communication, the cathode of the second optocoupler of each cell, LEDs and photo-thyrist anodes, except for the last, are connected to the second The ditch of the first optocouplers of the even-numbered capacitor leads and the cathode is di-connected, respectively, to the second day of the subsequent cell, the first input and the first line of communication, the cathodes of the photo device through the fourth resistor the thyristors of the second optocouplers of the odd first cell are connected to the anode of the cells connected to the second line of the St.diode of its first optocoupler, the second z, cathodes of photothyristors of the second output of the capacitor and cathode of the diode The even-cell optocouplers of the first cell are connected and are combined the first line of communication, the anode of the photothyristic-second input of the device.