SU1345359A1 - Apparatus for telemonitoring remote power supply of unattended amplification stations - Google Patents

Abstract

The invention relates to telecommunications and reduces power consumption in the event of a break of the remote power supply circuit. The device contains on the serviced amplifying point (UE) 1 r-r 2 control signals, reclosing unit 3, distributor 4 signals, signaling unit 5, including indication elements and And 7 | -7 |, trigger 8, AND 9, threshold unit 10 and reclosing unit 11, on each unattended UE 12, diodes 13 and 15, electronic switch 14. The drawing shows the remote power supply unit 16 of the served UE, forward 17 and return 18 wires, blocks 19 DP unattended UE. 1 il. ёMZ: (I 00 N4 SL SLI cd with

Description

The invention relates to electr. It can also be used to control the Remote Power Supply (DP) of unattended amplification points (LLP) of cable lines.

The purpose of the invention is to reduce energy consumption in the event of a break in the remote power supply circuit.

The drawing shows a structural electrical circuit of the proposed device.

A device for telecontrol of remote powering of unattended amplifying stations contains at a serviced amplifying point (OUP t generator 2 control signals, reclosing unit 3, distributor 4 signals, signaling unit 5 including display elements and elements And, trigger 8, elements And 9, threshold block 10 and reversal block 11, on each NCF, 12 - first diode 13, electronic key 14 and second diode 15. In addition, the drawing shows block 16 DC OUP, forward and return wires 17 and 18 of the remote power supply and blocks 19 Sch N AP

The device works as follows.

In the initial state, i.e. with a valid DP circuit, the second input of the And 9 element is given a signal O 8 of the direct wire 17 of the DP that is supplied plus the DP, and to the return wire of the 18 DP — a minus of the DP. A positive potential is applied to the input of the threshold unit 10, 1 is set at the output of the threshold unit 10, 1 is set at the first trigger output B, O is set at the second output, prohibiting the indication of the alarm unit 5. Due to the fact that at one of the inputs of the element And 9 there is a signal O, the signal O is set at its output, and the generator 2 of the control signals is turned off. When the DP is supplied to the forward conductor 17 of the DP, the diodes 13 are turned off and do not have a shunt effect on the blocks 19 DP, the diodes 15 have a locking effect, and the electronic keys 14 are turned off.

The rated current of the PD is set in the DP circuit, and on blocks 19 DP NUP 12, the operating voltage required for the operation of the NCT 12 apparatus is established. When an open circuit DP in it. set the idle mode. In this case

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at the output of the polarity reversal unit 11, a positive polarity voltage jumps, which from the third output of the polarity reversal unit 11 is fed to the input of the threshold unit 10. The latter is designed in such a way that it remains in its original state when positive voltage surges occur at its input. The trigger 8 remains in the initial state and from its first output signal 1 is fed to the first input of the element 9, and from the second output is the signal O to the control input of the signaling unit 5.

When the AC current for the nominal values of the block 16 is supplied, the control voltage is applied to the input of the reclosing unit 3, the signal from the output of which sets the distributor 4 to the initial state.

The minimum AC voltage is applied to the polarity reversal unit 11, from which the minus DC is fed to the forward wire 17 DC, and plus to the return wire 18 DC. Signal 1 arrives at the second input of element 9, therefore signal 1 also appears at the output of element 9, which ensures that the generator 2 of control signals is turned on.

A reverse polarity current is applied to the DP circuit. In this case, by turning on the diodes 13 and 15, a bypass circuit is formed, consisting of n bypass circuits, according to the number of SFC 12, to the place of the break. The diodes 13 shunt the DP blocks 19, and the diodes 15 supply the DP voltage to the electronic switches 14. The initial voltage at the output of the DP DP 16 block 16 is selected from the condition of steady state;

only one electronic switch 14 of the first LLL 12 is activated. With the next clock pulse from the generator 2 of control signals, the second cell of the distributor of 4 signals is set in operation. This increases the voltage of the PD by one step. An increase in the voltage of the PD is chosen so as to ensure stable operation of only two electronic switches: NUP 12 and 12. At the third output of the polarity reversal unit 11, a polarity jump appears, which enters the input of the threshold unit 10. However, the latter does not work, as the amplitude of the incoming jump is insufficient to enable it. Subsequent stepwise voltage increase DP

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allows you to alternately turn on the electronic keys 14 of the remaining NUi 12. When the electronic key 14 is turned on, the last one before the break point, the idle mode is practically established in the DP circuit. In this case, the output of the deflection unit 11 appears to be a negative voltage jump. polarity, the amplitude of the driver ensures the triggering of the threshold unit 10. At the output of the threshold unit 10, an O signal appears. Switching of the trigger 8 occurs, the signal O from the first output of the trigger 8 is fed to the first input cient and 9, providing at its output a signal O, and respectively off the generator 2 a control signal. The signal 1 from the second output of the trigger 8 is applied to the control input of the signaling unit 5, enabling the indication. Only on the element I7 btsoka 5 alarm on

are simultaneously on both inputs 25 trigger output, the input of which signals 1. Turns on element 6 of the last indication in front of the place of the open circuit of the ACL 12.

Claims (1)

Invention Formula Device for telecontrol of remote power supply of unattended amplifying points, containing at the serviced amplifying point a control signal generator, signaling unit, serially connected trigger and element And and serially connected reclosing unit and signal distributor, whose outputs are connected to the adjusting inputs of the unit, remote power supply of the serviced amplifying element the point controlling the input and output of which are connected respectively with per 30 35 40 45 the first and second inputs and the first and second outputs of the reversal unit are connected respectively to the first and second outputs of the remote power supply unit of the serviced amplifying point and to the forward and reverse wires of the remote power supply, and on each unattended inyHKTe amplifier the positive and negative terminals of the first diode are connected respectively to the output and to the input of the remote power supply unit of the unattended amplifying point, and the negative and positive terminals of the second one The diode is connected respectively to the positive terminal of the first diode and to the input of the electronic key, the output of which is connected to the return wire of the remote power supply. Compiled by V. Slepakov Editor S. Lisin Tehred I. Popovich Proofreader S. Cherni, Order 4932/55 Circulation 635 Subscription VNIIPI USSR State Committee for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5 Production and printing company, Uzhgorod, Projecto st., 4 five 0 five control output and control input of the reclosing unit, and an electronic switch at each unattended booster point, so that, in order to reduce power consumption when the remote power supply circuit is broken, they are inserted at the 6th live booster point in series connected polarity reversal unit and power supply unit, a horn unit, and at each unattended amplifying point, the first and second diodes, while at the serviced amplifying point a second control output of the reclosing unit Connected to the second input of the element I, the output of which through the generator of control signals is connected to the installation input of the signal distributor, the outputs of which are connected to the corresponding signal inputs of the alarm unit, the control input of which is connected to the second the first and second inputs and the first and second outputs of the reversal unit are connected respectively to the first and second outputs of the remote power supply unit of the served amplifying point and to the forward and return wires of the remote power supply, and on each unattended amplifying nyHKTe positive and negative leads the first diode are connected respectively to the output and to the input of the remote power supply unit of the unattended amplifying point, and the negative and positive terminals of the second The diode is connected respectively to the positive terminal of the first diode and to the input of the electronic key, the output of which is connected to the return wire of the remote power supply.