SU1048576A1 - Relay flip-flop - Google Patents

Description

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35 The invention relates to a pulse technique and can be used in various automation and remote control equipment. Known trigger containing one winding relay with self-holding and storage capacitor ij. The disadvantage of the trigger is that it cannot save information during power interruptions. A relay device containing a two-winding self-holding relay, capacitors, relays and diodes 2 is also known. The disadvantages of this device are the complexity and the presence of two storage capacitors of considerable capacity, which increases its cost and cost. . The purpose of the invention is to simplify the device, reducing its size and cost. The goal is achieved by the fact that in a relay trigger containing a closing control contact to a digging capacitor, resistors, diodes and a self-holding two-winding relay, the first windings of which are connected to the first power bus through the first and second resistors through the first and second resistors. the second diode in the forward direction and the closing control contact are connected to the second power bus, the bridge through the third resistor is connected to the switching contact of the self-retaining two-winding relay, short circuit The internal contact of which is connected to the first pins of its windings, the storage capacitor is connected between the first pins of the windings of a self-holding two-winding relay, which are connected via the third and fourth diodes to the second power line of the opposite polarity of the voltage. The drawing shows the electrical circuit diagram of the relay trigger. The relay trigger contains a closing control contact 1, a storage capacitor 2, resistors, diodes and a two-winding relay 3 with self-holding, the first winding terminals of which through the first and second resistors 4 and 5 are connected to the first power supply 6, the second winding terminals through the first and the second diodes 7 and 8 in the Direct direction and the closing control contact I is connected to the second power supply bus 9, which through the third resistor 10 is connected to the switching contact 1 1 two-winding:; a fixed relay with self-holding, closing and opening terminal Acts 2 and 13 of which are connected to the first terminals of its windings, the storage capacitor 2 is connected between the first terminals of the windings of the self-holding two-winding relay 3, which are connected via the third and fourth diodes 14 and 15 to the second power supply terminal 9, and parallel to the windings of the self-holding two-winding relay, respectively, the fifth and sixth diodes I6 and 17 of opposite polarity of the power supply voltage are connected. The device works as follows. In the initial state, the control contact 1 is open, and the contacts 11 and 13 of the relay 3 are closed together. The storage capacitor 2 is charged through R. resistor 5, closed contacts 13 and II of relay 3, and resistor 10 to a voltage close to the voltage of the power source, since the resistance of resistor 10 is much less than the resistance of resistors 4 and 5. The charging of the capacitor 2 is applied to the right winding of the relay 3 and a current arises along the circuit: right plate, capacitor 2, relay 3 winding, diode 8, closed control contact 1 and diode 14, left capacitor plate 2. Relay 3 is activated, a switching contact 11 his deputy It closes with contact 12, and further discharge of capacitor 2 is accelerated through contacts II and 12 of relay 3, a low-resistance resistor 10 and diode 14. The next time that contact 1 of accumulative capacitor 2 is opened, the charging resistor 4, closed contacts 11 and 12 of relay 3 and resistor 10 is charged to a voltage close to the voltage of the power source, and the polarity of the voltage of the capacitor 2 in this case is opposite to the polarity of the charge of this capacitor. initial state. At the next closure of the contact I, the aparseny of the charged capacitor is applied to the left winding of the relay

3 and a current along the circuit of the left capacitor plate 2, the left winding of the relay 3, diode 7, the closed control contact 1, the diode 1.5, the right plate of the capacitor 2, appears. Turnip 3 is triggered, the switching contact 11 is closed with the contact 13 and the far end of the capacitor 2 is accelerated through the closed, contacts 11 and 13 of the relay, resistor IO and diode 15.

The next time the control contact 1 is opened, the device returns to the initial state and the processes in it are repeated thereafter.

So in the relay trigger-. By utilizing the charge energy of the same storage capacitor to transfer the two-winding relay from one state to another, the circuit is simplified and the size and cost of the relay trigger is reduced.

Claims (1)

RELAY TRIGGER, closing closing control storage capacitor, ry, diode and double winding 1968._contact, self-holding resistor, the first terminals of the windings of which through the first and second resistors are connected to the first power bus, the second terminals of the windings through the first and second diodes in the forward direction and the closing control contact are connected to the second power bus, which is connected through the third resistor to the switching contact of the two-winding relay with self-holding, the closing and opening contacts of which are connected to the first conclusions of its windings, characterized in that, in order to simplify the device and reduce I am of its size, a storage capacitor is connected between the first terminals of the windings of a two-winding relay with self-holding, which, respectively, through the third and fourth diodes are connected to the second power bus opposite to the polarity of the supply voltage. "SU 1048576