What is the working principle of sound and light alarm?
??3, the sound and light alarm is named according to the alarm alarm to the name of the alarm equipment, sound security alarm is found in the invasion of the alarm issued a high decibel alarm sound, while the lights flashing to deter Thieves remind residents, neighbors, security has the role of illegal invasion.
???4, sound and light alarm general and infrared detectors, Menci composed of sound and light burglar alarm system, when the infrared detector or Menci detected an intrusion immediately send an alarm signal to the sound and light alarm, sound and light alarm immediately alarm The
???5, sound and light alarm is a used in dangerous places, through the sound and a variety of light to the people to issue a warning signal will not ignite the flammable and explosive gas alarm signal device, can simultaneously sound, light two Kind of alarm signal.
2, sound and light alarm using audio chip through the transistor and transformer amplification, to promote the speaker sound; the use of timing circuit control super bright light emitting diodes to send a bright light signal. When the scene of the fire and confirmed, installed in the scene of the fire sound and light alarm can be fire control center fire alarm controller linkage programming start.
1, sound and light alarm is a kind of installation in the field of sound and light alarm equipment, when the scene of a fire and confirmed, installed in the scene of the fire sound and light alarm can be fire control center fire alarm controller start, issued a strong sound Light alarm signal, in order to remind the scene to pay attention to the purpose.
