Abstract
Guard against theft, it's one thousand years has been delving into
social problem. Due to the rapid development of economy, improvement of
living standards, people's property income increase gradually, at the
same time people's security consciousness is becoming more and more
strong. The rapid development of economy is accompanied by the rapid
increase of urban floating population, to increase new challenges to the
city's public security, to protect the safety of the family, prevent
steal musical event, must have their own safety and protection system,
civil air defense security mode is difficult to adapt to our demands,
has become the current trend of the development of intelligent home
construction; With the constant progress of science and technology, the
application of advanced science and technology is becoming more and more
popular, both at home and abroad advanced technology, advanced
experience has been widely used in all walks of life, safety work is no
exception. With the acceleration development of material civilization
and spiritual civilization construction, the whole social environment
has a fundamental turn for the better. But some local area (for example,
warehouses, shops, residential) is still a stolen events, need people
to fortified. So, burglar alarm should be potential. Burglar alarm method
is to use physical or electronic technology, automatic detection occurs
within the protection zone of intrusion behavior, an alarm signal, and
presented the personnel on duty of alarm parts of area, displays the
system may take countermeasures. Burglar alarm prevention is the
important facility of robbery, theft and other accidents. In case of
emergency, you can through the sound and light alarm signal accurately
show the scene of the accident, in the security control center to rapidly
take emergency measures. Burglar alarm and access control systems,
closed-circuit television monitoring system, visitors intercom system
and electronic patrolling system together constitute the safety and
protection system
keywords Single chip microcomputer; Infrared sensor; Data
acquisition; Alarm circuit
