RU2008129076A

RU2008129076A - MISEVICH'S HEAT FIRE DETECTOR

Info

Publication number: RU2008129076A
Application number: RU2008129076/09A
Authority: RU
Inventors: Игорь Захарович Мисевич (UA); Игорь Захарович Мисевич
Original assignee: Частное предприятие "АРТОН" (UA); Частное Предприятие "Артон"
Priority date: 2008-02-18
Filing date: 2008-07-15
Publication date: 2010-01-20
Also published as: RU2420808C2

Abstract

Тепловой пожарный извещатель, который содержит светодиодный индикатор, анод которого через ограничитель тока подключен к первым выводам первого резистора и первого конденсатора, к первому выходу транзисторного ключа и к катоду диода, анод которого соединен с первой входной клеммой, вторая входная клемма подключена к катоду светодиодного индикатора, а через второй резистор - к эмиттеру транзистора, коллектор которого соединен с входом транзисторного ключа и со вторыми выводами первого резистора и первого конденсатора, база транзистора подключена к первым выводам третьего и четвертого резисторов, второй вывод четвертого резистора через второй конденсатор подключен ко второй входной клемме который отличается тем, что второй вывод третьего резистора подключен ко второй входной клемме, а второй выход транзисторного ключа соединен со вторым выводом четвертого резистора и катодом стабилитрона, анод которого соединен с анодом светодиодного индикатора.A thermal fire detector that contains an LED indicator, the anode of which is connected through the current limiter to the first terminals of the first resistor and the first capacitor, to the first output of the transistor switch and to the cathode of the diode, the anode of which is connected to the first input terminal, the second input terminal is connected to the cathode of the LED indicator and through the second resistor to the emitter of the transistor, the collector of which is connected to the input of the transistor switch and to the second terminals of the first resistor and the first capacitor, the base of the transistor connected to the first terminals of the third and fourth resistors, the second terminal of the fourth resistor through the second capacitor is connected to the second input terminal which is characterized in that the second terminal of the third resistor is connected to the second input terminal, and the second output of the transistor switch is connected to the second terminal of the fourth resistor and the zener diode cathode whose anode is connected to the anode of the LED indicator.

Claims

A thermal fire detector that contains an LED indicator, the anode of which is connected through the current limiter to the first terminals of the first resistor and the first capacitor, to the first output of the transistor switch and to the cathode of the diode, the anode of which is connected to the first input terminal, the second input terminal is connected to the cathode of the LED indicator and through the second resistor to the emitter of the transistor, the collector of which is connected to the input of the transistor switch and to the second terminals of the first resistor and the first capacitor, the base of the transistor connected to the first terminals of the third and fourth resistors, the second terminal of the fourth resistor through the second capacitor is connected to the second input terminal which is characterized in that the second terminal of the third resistor is connected to the second input terminal, and the second output of the transistor switch is connected to the second terminal of the fourth resistor and the zener diode cathode whose anode is connected to the anode of the LED indicator.