Family special smoke alarm, bring to life a bigger help

    In recent years, the residential area accounted for more than 80% of the whole fire fire, especially when no one at home during the day and sleeping at night is one of the most easily spread fire period, brought irreparable damage to our life, so it is very important to say residential installation of smoke alarm.

JTY GD - DG802 independent type photoelectric smoke detector for smoke induction is mainly completed by optical maze, maze contains a set of infrared emission and receiving phototube, correlation Angle of 135 degrees. When the environment without smoke, you can´t get a infrared receiving tube infrared transmitting tube from the subsequent no electrical signal sampling circuit; When environment have a smoke, the smoke particles into the maze to tubes of infrared light scattering occurs, the intensity of the infrared light scattering has a certain linear relationship with the smoke concentration, subsequent change sampling circuit, through the smoke detector built-in MCU to judge whether these changes to confirm the amount of fire, once the confirmation of fire, smoke detector signal fire, the fire light (red) light, and start the buzzer alarm, warning we can escape from the fire area, and take corresponding measures, while the terrible fire, but we prevention first, but please look for when buying 3 c mark, to normal manufacturer to buy so you can have better protection measures.