Air-defense warning loudspeaker device capable of on-line monitoring and monitoring method

Abstract

The invention provides an air-defense warning loudspeaker device capable of on-line monitoring. The device consists of a loudspeaker, a power amplifier, a derailing switch, a loudspeaker monitoring module, a microprocessor module, a communication module and a display module, wherein the microprocessor module is connected with the derailing switch, the loudspeaker monitoring module, the communication module and the display module respectively; the derailing switch is a bidirectional controllable switch; the first input end of the derailing switch is connected with the output end of the power amplifier, the second input end of the derailing switch is connected with the loudspeaker monitoring module, the output end of the derailing switch is connected with the input end of the loudspeaker, and the communication module is connected with an upper computer. According to the invention, the input end of the loudspeaker can be freely switched between the power amplifier and the loudspeaker monitoring module by the derailing switch, so that on-line monitoring is achieved. The device has important significance for improving the quick reaction capability, the sensitivity and the reliability of civil air defense.

Description

technical field [0001] The invention relates to the field of audio equipment, in particular to an air defense alarm loudspeaker device and a monitoring method capable of online monitoring. Background technique [0002] An air defense siren is an alert for announcing enemy air raids. In wartime, it is responsible for the reporting task of guiding the masses to evacuate smoothly to prevent air raids; in peacetime, it is also responsible for the emergency reporting task of natural disasters and secondary disasters such as flood control and earthquake prevention. With the acceleration of urbanization in our country, more and more people are entering cities and towns. In the face of war threats and frequent natural disasters caused by the ever-changing international situation, how to provide timely and effective early warning is related to the lives of the broad masses of the people. Property security is the number one priority. [0003] The air defense alarm speaker is the mos...

AI Technical Summary

Problems solved by technology

[0005] The present invention mainly solves the technical problem in the prior art that the loudspeaker cannot be detected online in real time, and provides an air defense alarm loudspeaker device and monitoring method with simple structure, easy implementation, online remote monitoring, and high safety

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