RU2012132145A

RU2012132145A - SIGNAL CONTROL DEVICE

Info

Publication number: RU2012132145A
Application number: RU2012132145/28A
Authority: RU
Inventors: Анатолий Иванович Гутников; Лариса Анатольевна Пикаева
Original assignee: Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом"
Priority date: 2012-07-26
Filing date: 2012-07-26
Publication date: 2014-02-20
Also published as: RU2509291C1

Abstract

Устройство для контроля сигналов, содержащее входную шину, шины питания и среднего значения, интегрирующую RC-цепь, последовательно соединенные первый и второй резисторы, второй вывод последнего из которых соединен с первым выводом первого конденсатора и входом первого операционного усилителя, выход которого соединен через второй конденсатор с точкой объединения первого и второго резисторов и через первый резистивный делитель с общей шиной, средняя точка первого резистивного делителя соединена с первым входом второго операционного усилителя, второй вход которого соединен со средней точкой второго резистивного делителя, отличающееся тем, что дополнительно введены шины начального напряжения и сигнализации, пороговый элемент, аналоговый ключ с управляющим входом, третий резистор, диод, катод которого соединен с шиной питания и входом интегрирующей RC-цепи, выход которой соединен с анодом диода и входом порогового элемента, выход которого соединен с первым выводом второго резистивного делителя и управляющим входом аналогового ключа, вход которого соединен с шиной начального напряжения, а выход - с первым выводом первого конденсатора, второй вывод которого через третий резистор соединен с общей шиной, шина среднего значения соединена с первым входом второго операционного усилителя, выход которого соединен с шиной сигнализации, второй вывод второго резистивного делителя соединен либо с шиной питания, либо с общей шиной.A device for monitoring signals, comprising an input bus, a power bus and an average value, an integrating RC circuit, series-connected first and second resistors, the second terminal of the last of which is connected to the first terminal of the first capacitor and the input of the first operational amplifier, the output of which is connected through the second capacitor with the combining point of the first and second resistors and through the first resistive divider with a common bus, the midpoint of the first resistive divider is connected to the first input of the second operating device an amplifier, the second input of which is connected to the midpoint of the second resistive divider, characterized in that the initial voltage and signaling buses, a threshold element, an analog switch with a control input, a third resistor, a diode, the cathode of which is connected to the power bus and the integrating RC circuit, the output of which is connected to the anode of the diode and the input of the threshold element, the output of which is connected to the first output of the second resistive divider and the control input of the analog switch, the input of which is connected to the bus voltage, and the output - with the first output of the first capacitor, the second output of which is connected to a common bus through a third resistor, the average value bus is connected to the first input of the second operational amplifier, the output of which is connected to the signaling bus, the second output of the second resistive divider is connected either to the bus power supply, or with a common bus.

Claims

A device for monitoring signals, comprising an input bus, a power bus and an average value, an integrating RC circuit, series-connected first and second resistors, the second terminal of the last of which is connected to the first terminal of the first capacitor and the input of the first operational amplifier, the output of which is connected through the second capacitor with the combining point of the first and second resistors and through the first resistive divider with a common bus, the midpoint of the first resistive divider is connected to the first input of the second operating device an amplifier, the second input of which is connected to the midpoint of the second resistive divider, characterized in that the initial voltage and signaling buses, a threshold element, an analog switch with a control input, a third resistor, a diode, the cathode of which is connected to the power bus and the integrating RC circuit, the output of which is connected to the anode of the diode and the input of the threshold element, the output of which is connected to the first output of the second resistive divider and the control input of the analog switch, the input of which is connected to the bus voltage, and the output - with the first output of the first capacitor, the second output of which is connected to a common bus through a third resistor, the average value bus is connected to the first input of the second operational amplifier, the output of which is connected to the signaling bus, the second output of the second resistive divider is connected either to the bus power supply, or with a common bus.