SU1212859A1 - Device for monitoring switch position - Google Patents

Description

The invention relates to railway automation and telemechanics and can be used to control the position of an arrow.

The purpose of the invention is to increase reliability by eliminating the possibility of false control of the position of the arrow in the case of the entanglement of linear wires with simultaneous electrical and mechanical damage.

The drawing shows a schematic diagram of the device for controlling the position of the arrow.

The device contains a control transformer 1, the first winding 2 of which

different polarity, the third diode 23 with the third resistor 24. The windings of the positive 4 or minus 5 control relays are connected by a straight 21 or switching 22 terminal of the second polarized starting relay, and the polarity of the connection varies depending on the position of the arrow of the pin 25.1-25.4 autoswitch 25. One of the control relays 4 or 5 operates if the diodes are connected to the first and second windings with the same polarity, and the other control relay is shunted by the first polarized contact. a starting relay with pins 16, 17 or 16, 18. For example, the positive position of the arrow of a current is connected to the power source of the variable, and the second winding 3 is connected to the second winding 3 of the control transformer 1 and the positive control relay 4 is connected by switching the output terminal 16, 18 of the first polarized start-up relay contact. The same contact is therefore counter. The minus control positive-7 positive control relay 4 is connected to the winding pins 20 to the first winding of the 6 positive control relay 4 via the direct output 21 of the second polarized start-up relay, the first 19 and the second 20 open contacts of the starting relay, are linear. simple plus 4 and negative 5 control relays connected in series. The first 6 and second 7 windings of the plus control relay are connected to each other, successively connected first resistor 8 and first diode 9 in such a way that the anode of the first diode 9 is connected to the connection point of the first 6 and second 7 windings of the positive control relay 4. First 10 and second 11 the windings of the negative control relay 5 are also connected in series with each other. The terminals of the second 11 windings of the plus control relay 5 are connected, respectively, to the second diode 12 and the second resistor 13 in such a way that its cathode is connected to the connection point of the first 10 and second 11 windings of the negative control relay 5. Connection to the line wires 14 and 15 One or another of the positive 4 or minus 5 control relays is dried by the first switching contact of the starting relay with terminals 16-18, as well as the first 19 and the second 20 opening, by their contacts of the starting relay. The points of connection of the first and second windings 6, 7 and 10, 11 plus 4 and minus 5 control relays through pins 21 and 22 of the second polarized contact of the starting relay, the first 19 and the second 20 open, and the contacts of the starting relay. and linear wires 14 and 15 sv for water 14 and 15 and contacts 25.1 and 25.3 of the autoswitch 25 connect the third diode 23

with the third resistor 24. At the same time, the anode of the third diode 23 and the anode of the first diode are connected to the connection point of the first 6 and second 7 windings of the positive control relay 4, which operates. A positive control relay 4 is not energized unless the negative control relay 5 is bridged, even if the condition of coincidence of the field of the p-3 of the first 9 and third 23 diodes is fulfilled.

In the minus position of the arrow to the second winding 3 of the control transformer 1, the minus control relay 5 is connected via the switching terminals 16 and 7 of the first polarized contact of the starting relay, while the outputs simultaneously shunt the first 6 and second 7 windings of the positive control relay 4. Thus The excitation condition of the negative control relay 5 is fulfilled. To the connection point of the first 10 and second 11 windings of the negative control relay 5 through the first 19 and second 20 break contacts of the starting relay, the line wires 14 and 1 5 and pins 25.2 and 25.4 autoswitch 25 third diode 23 pins

le

us with a third connected in series

diode 23 and the third resistor 24, through

autoswitch 25 - with contacts 25.1 -

25.4.

The device works as follows. 50 is driven by the cathode. Depending on the position of the arrow, the second diode 12 is turned on by the cathode. Thus, the observational winding 6 is positive control, the second condition is fulfilled for ascending 4 or to the first winding 10 min of the negative control relay 5,

the common control relay 5 is connected and the latter is triggered.

Compiled by L. Pilne

Editor O. Yurkovetskaya Tehred I. VeresKorrektor O. Lugova

Order 711/27 Circulation 474Subscription

VNIIPI USSR State Committee

but inventions and discoveries

113035, Moscow, Zh-35, Raushsk nab. 4/5

Branch PPP "Patent, Uzhgorod, st. Project, 4

different polarity, the third diode 23 with the third resistor 24. The windings of the positive 4 or minus 5 control relays are connected by a straight 21 or switching 22 terminal of the second polarized starting relay, and the polarity of the connection varies depending on the position of the arrow of the pin 25.1-25.4 autoswitch 25. One of the control relays 4 or 5 operates if the diodes are connected to the first and second windings with the same polarity, and the other control relay is shunted by the first polarized contact. a start relay with pins 16, 17 or 16, 18. Narol relay 4 through a direct output 21 of the second polarized contact of the start relay, the first 19 and the second 20 open contacts of the start relay, linear proo

water 14 and 15 and pins 25.1 and 25.3 of the autoswitch 25 the third diode 23 is connected

with the third resistor 24. At the same time, the anode of the third diode 23 and the anode of the first diode are connected to the connection point of the first 6 and second 7 windings of the positive control relay 4, which operates. The positive control relay 4 is not energized unless the negative control relay 5 is bridged, even if the condition of coincidence of the field of the first 9 and third 23 diodes is fulfilled.

In the minus position of the arrow to the second winding 3 of the control transformer 1, the minus control relay 5 is connected via the switching terminals 16 and 7 of the first polarized contact of the starting relay, while the outputs simultaneously shunt the first 6 and second 7 windings of the positive control relay 4. Thus The excitation condition of the negative control relay 5 is fulfilled. To the connection point of the first 10 and second 11 windings of the negative control relay 5 through the first 19 and second 20 break contacts of the starting relay, the line wires 14 and 1 5 and pins 25.2 and 25.4 autoswitch 25 third diode 23 pins

Claims (1)

DEVICE FOR CONTROL OF THE ARROW POSITION, containing two-winding plus and minus control relays connected to the control transformer, and through the disconnecting contacts of the polarized start relay and linear wires - with the contacts of the switch, characterized in that, in order to increase reliability by eliminating the possibility of false control of the position of the arrow in the event of a mixed-up of linear wires with simultaneous electrical and mechanical damage, windings of the plus and minus control relays the first switching contact of the starting relay is connected in parallel with the positive and negative monitoring relays, and the second switching contact of the starting relay is connected in series with the indicated relays and the opening contact of the starting relay. GO to QO SI with different polarity, the third diode 23 with the third resistor 24. The windings of the plus 4 or minus 5 control relays are connected by direct 21 or by switching 22 pins of the second polarized contact of the starting relay, and the polarity of the connection varies depending on the position of the arrow of contact 25.1-25.4 of the auto switch 25. One from control relays 4 or 5 is activated provided that the diodes are connected with the same polarity to the connection point of the first and second windings and the other control relay is bridged by the first polarized contact volume of the start relay with terminals 16, 17 or 16, 18. For example, in the positive position of the arrow to the second winding 3 of the control transformer relay 4 yes 16, the cycle of the start relay. The minus control relay 5 is shunted with the same contact. To the first winding 6 of the positive control relay 4 through the direct terminal 21 of the second polarized contact of the starting relay, the first 19 and second 20 disconnecting contacts of the starting relay, line wires 14 and 15 and contacts 25.1 and 25.3 of the auto switch 25 are connected the third diode 23 with the third resistor 24. In this case, the anode of the third diode 23 and the anode of the first diode are connected to the connection point of the first 6 and second 7 windings of the positive control relay 4, which is triggered. The positive monitoring relay 4 is not activated if the negative monitoring relay 5 is not bridged even if the condition for the polarity of the first 9 and the third 23 diodes coincides. When the arrows are in the negative position, the negative control relay 5 is connected to the second winding 3 of the control transformer 1 through the switching leads 16 and 17 of the first polarized contact of the start relay, while the leads simultaneously bypass the first 6 and second 7 windings of the positive control relay 4. Thus, the excitation condition negative control relay 5. To the connection point of the first 10 and second 11 windings of the negative control relay 5 through the first 19 and second 20 opening contacts of the starting relay, line wires 14 and 15 and Here, contacts 25.2 and 25.4 avtopereklyuchatelya 25 third diode 23 is connected cathode. A second diode 12 is connected to the same cathode. Thus, the second condition is fulfilled for the excitation of the negative control relay 5, and the latter is triggered.