Detailed Product Description
Fire broadcast system
Broadcasting emergency system
Emergency alarm system
1.Controller:
Use of computer control technology,operation is simple and direct, many kinds of automatic functions, reflect people oriented ideas.
Background broadcast monitoring station and emergency broadcasting monitoring station is switched by operation lock. When background broadcast, broadcast operation can be done by SD card, and start emergency broadcast through 485 bus. When emergency broadcast, both manual operation and controller can start emergency broadcast
Choose 24 loops broadcast area through press key.
This system can do failure tests for broadcast lines, power supplies and batteries and give sound-light alarms respectively. Sound-light alarm can be set to silence, light signal is continuous until failures disappear. Sound signal will work when next failure happens.
emergency broadcast can broadcast to one or more pointed areas, with monitoring functions for amplifying output.
2.Amplifier
level volume digital control, durable, volume storage memory. When emergency broadcast,volume is at full and can not be changed.
LED bar display for volume and output electricity level
Quick response locked type output overloading protection, output short circuit protection,output over voltage protection, restore automatically.
Large radiator is used to give out heat, with overheat protection function.
When AC is power supply,electricity is lower (lower than AC187V), Amplifier will switch to DC24V automatically,make sure continuous power supply.
3.power supply
Supply stable power switch for system, monitoring power supply failures.
Supply batteries and switch between main electricity and batteries for system.
Charge for store batteries, monitor batteries failures.
When main electricityis cut off, after 8 hours monitoring station, batteries must make sure emergency broadcast broadcasting more than 30 minutes.
