Domestic intelligent security system

The utility model discloses a domestic intelligent security system, which mainly comprises a digital coded lock, a flame sensor, a smoke sensor, a bijection photoelectric switch, a temperature sensor, an intelligent controller and a human-computer interface, wherein the intelligent controller consists of an MCU (Microprogrammed Control Unit) module, a power supply module, a parameter monitoring module, a door lock control module and an alarming module which are assembled in a control box; the human-computer interface consists of a liquid crystal display and a fingerprint acquiring camera; the switch-on of the digital coded lock can be accurately and inerrably controlled through a fingerprint identifying technology; a domestic environment is monitored by using flame, smoke, the temperature sensor and the bijection photoelectric switch; and local acousto-optic alarm is made for emergencies, and short message alarm is realized by using a GSM (Global System Message) network, so that a host can obtain accurate information and take measures very first time. The domestic intelligent security system has the outstanding advantages of compact structure, low manufacturing cost, convenience for installing and using and high security reliability, and has extremely good popularization and use prospects.