RU2008129026A

RU2008129026A - HEAT FIRE DETECTOR BAKANOVA

Info

Publication number: RU2008129026A
Application number: RU2008129026/09A
Authority: RU
Inventors: Владимир Викторович Баканов (UA); Владимир Викторович Баканов
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: UA89097C2; RU2390848C2

Abstract

Тепловой пожарный извещатель, который содержит светодиодный индикатор, анод которого через первый резистор соединен с первым выходом транзисторного ключа и анодом первого элемента односторонней проводимости, катод которого подключен к первому выводу первого конденсатора, а через второй резистор - к первому выводу третьего резистора и к базе транзистора, коллектор которого соединен с входом транзисторного ключа и первыми выводами второго конденсатора и четвертого резистора, вторые выводы которых подключены ко второму выходу транзисторного ключа и к катоду второго элемента односторонней проводимости, анод которого подключен к первой входной клемме, а вторая входная клемма подключена ко второму выводу первого конденсатора, катода светодиодного индикатора и через пятый резистор - к эмиттеру транзистора, анод светодиодного индикатора через токоограничительный элемент соединен с катодом второго элемента односторонней проводимости, который отличающийся тем, что второй вывод третьего резистора подключен ко второй входной клемме, токоограничительный элемент выполняет функцию термонезависимого стабилизатора тока, а транзистор - функцию теплового сенсора.A thermal fire detector, which contains an LED indicator, the anode of which is connected through the first resistor to the first output of the transistor switch and the anode of the first one-sided conductivity element, the cathode of which is connected to the first output of the first capacitor, and through the second resistor to the first output of the third resistor and to the base of the transistor whose collector is connected to the input of the transistor switch and the first terminals of the second capacitor and fourth resistor, the second terminals of which are connected to the second output of the transistor key to the cathode of the second one-way conduction element, the anode of which is connected to the first input terminal, and the second input terminal is connected to the second terminal of the first capacitor, the cathode of the LED indicator and through the fifth resistor to the emitter of the transistor, the anode of the LED indicator is connected to the cathode through a current-limiting element the second one-sided conductivity element, which characterized in that the second terminal of the third resistor is connected to the second input terminal, the current-limiting element performs function of a thermally independent current stabilizer, and a transistor - a function of a thermal sensor.

Claims

A thermal fire detector, which contains an LED indicator, the anode of which is connected through the first resistor to the first output of the transistor switch and the anode of the first one-sided conductivity element, the cathode of which is connected to the first output of the first capacitor, and through the second resistor to the first output of the third resistor and to the base of the transistor whose collector is connected to the input of the transistor switch and the first terminals of the second capacitor and fourth resistor, the second terminals of which are connected to the second output of the transistor key to the cathode of the second one-way conduction element, the anode of which is connected to the first input terminal, and the second input terminal is connected to the second terminal of the first capacitor, the cathode of the LED indicator and through the fifth resistor to the emitter of the transistor, the anode of the LED indicator is connected to the cathode through a current-limiting element the second one-sided conductivity element, which characterized in that the second terminal of the third resistor is connected to the second input terminal, the current-limiting element performs function of a thermally independent current stabilizer, and a transistor - a function of a thermal sensor.