SU1467771A1 - Device for monitoring operability of radio stations - Google Patents

Abstract

The invention relates to communication technology. The purpose of the invention is to increase the reliability of the control. The device contains a control unit (CU) 1, receivers 2 and 5 dial tone, relay 3 time, r-r 4 control and call frequencies, as well as electronic controlled station: amplifier 6 transmission, antenna 7, receiver 8, transmitter 9, the receiving amplifier 10, the loudspeaker 11, the microphone 12 and the acoustic path 13. The ringing frequency signal through the antenna 7 and the receiver 8 is fed simultaneously to the receiver 2 and the amplifier 10. After receiving the call signal, the receiver 2 starts the relay 3, which sends a signal to the first input BU 1. In this case, the call signal through the amplifier 10, g omc loudspeaker 11, path 13, microphone 12, amplifier 6 and receiver 5 are fed to the second input of the control unit 1. With signals at both inputs of the control unit 1, it supplies power to r-4, which transmits the control frequency signal through the transmitter 9 and the antenna 7 ether. In the absence of a signal at least at one of their inputs, the CU I signal is a counter, l is not sent. The goal is achieved by the introduction of the CU 1 and the receiver 5. The device according to p. 2 of the f-ly is distinguished by the CU 1, given its sludge. 1 h. item f-ly, 2 ill. cl

Description

4 05

The invention relates to communication technology and can be used to monitor a radio station on moving objects.

The purpose of the invention is to increase the reliability of the control.

FIG. Figure 1 shows the structural electrical circuit of the proposed device; in fig. 2 shows an embodiment of the control unit.

The ringing frequency signal (Fig. 2) after amplification in the additional tone call receiver 5 is fed to the input of the comparator 15 of the control unit 1, and if r exceeds the set nominal value, then the signal of the logical unit arrives at the first input of the OR element 16. If there is a signal at the first input of the element OR 16, it forms a control signal to the switch 14,

The health monitor controls the control signal to the 1h switch,

The radio station contains a control unit 1, which includes a generator 4 control-receiver 2 tone call, a relay 3 temporary and ringing frequencies, and also provides the necessary switching of auxiliary circuits controlling the operation of the monitored radio station. In the event that

Names, a generator of 4 control and ringing frequencies, an additional receiver 5 tonal call, the element is also shown. ,

You are a controlled radio station - an amplitude-5 signal at the input of the comparator 15 is less than a tele 6, an antenna 7, a receiver 8, a set value (fault

the transmitter 9, the amplifier 10 reception, the loudspeaker 11, the microphone 12 and the acoustic path 13.

in the monitored circuits) or there is no signal at its first input, the sending of a control signal confirming reception is excluded.

The ringing frequency signal (Fig. 2) after amplification in the additional tone call receiver 5 is input to the comparator 15 of the control unit 1, and if it exceeds the set nominal value, then the first unit input of the OR 16 signal is a logical one. If there is a signal at the first input of the element OR 16, it forms a control signal to the switch 14,

control signal to the switch 1h,

which includes a generator of 4 monitoring and ringing frequencies, and also provides the necessary switching of auxiliary control circuits of the control unit which includes a generator of 4 monitoring and ringing frequencies, and also provides the necessary switching of auxiliary circuits to control the operation of a controlled radio station. In the event that

. ,

 the signal at the input of the comparator 15 is less than the specified value (failure

the signal at the input of the comparator 15 is less than the specified value (failure

in the monitored circuits) or there is no signal at its first input, the sending of a control signal confirming reception is excluded.

Claims (2)

1. A device for monitoring the health of a radio station, containing a sequence of control 1, contains a switch-20 torus 14, a comparator 15 and an element OR 16. The device works as follows. The antenna 7 is connected to the receiver 8 and the transmitter 9. The talking path consists of a reception amplifier 10, a loudspeaker connected to the receiver of a tone receiver 11, an acoustic path 13, a micro-call whose input is the output of the background 12, a transmission amplifier 6, the receiver of the monitored radio station and their sequential relay, the generator of the control and output of the additional receiver 5 of the known frequencies, the output of which is a call signal is connected to the amplifier 6 of the input of the transmitter of the controlled radio transmission - with the second input of the station and combined with the output of the control amplifier 7, the first input of which is transmitted to the controlled radio station, is connected to the time relay 3, and the output is connected to the microphone, the input 4 of the control and ringing receiver clock tonal call connected to a JOT. input receiving amplifier controlled The ringing frequency signal through the antenna radio station, the output of which is connected to 7, the receiver 8 is fed to the inputs at-35 to the loudspeaker, distinguished by the fact that the receiver has 2 tone calls and an amplifier to increase the reliability of the control reception at the same time. After receiving the signal, the control unit is entered, the first input of the call receiver 2 triggers a relay 3 whose output is connected to the corresponding time, which supplies a signal to the transmitter with the output of the time relay and the input of the control unit 1, with this controller and ringing frequencies, pre-call signal amplifier 10 receiving an additional dial tone receiver. along the circuit: loudspeaker 11, acoustic path 13, microphone 12, amplifier 6, the transmission is fed to the input of the additional receiver 5 of the dial tone, which sends a signal to the first input of the control unit 1. If the signal is on the first and second inputs of control unit 1, then it supplies power to the generator 4 control and calling frequencies, which transmit the control frequency signal through the input and output of which are connected respectively to the additional output of the transmission amplifier of the monitored radio station and the second input of the control unit. 2. The device according to claim 1, characterized in that the control unit comprises a switch and a series-connected comparator and an OR element whose output is connected to the input of the switch, the output of which is a 9-antenna-7-wave $ transmitter. Primary 50 is the output of the control unit The VII signal at least at one input is blocked by the first and second inputs of the first control signal, the control signal is not sent to the second input of the OR element and the input is transmitted. parator. Invention Formula 1. A radio health monitoring device comprising a series-connected tone call receiver, whose input is the output of a radio station receiver, and a time relay, a control and output station generator, whose output is connected to a loudspeaker, in order to increase the reliability of the l, a control unit is introduced, the first input of which the output is connected respectively to the output of the time relay and the input of the generator of control and call frequencies, additional reception IR dial tone. the input and output of which are connected respectively to the additional output of the transmission amplifier of the monitored radio station and the second input of the control unit. 2. The device according to claim 1, wherein the control unit comprises a switch and a comparator connected in series and an OR element whose output is connected to the switch input, the output of which is 18 1B Output 28th go FIG. 2