A multifunctional fire helmet

Abstract

A multifunctional firefighting helmet, comprising a helmet body, a wireless communication system, an electronic compass compass and an environment display system; the wireless communication system, the electronic compass compass and the environment display system are all matched and installed on the helmet body; the wireless communication system The system includes antenna, transceiver bandpass filter, high frequency amplifier, frequency synthesizer, MFSK modulator, voltage controlled oscillator, encryptor, ADC, audio amplifier, noise canceller, bone conduction microphone, main control IC, BMS power management System, polymer battery, frequency selective amplifier, frequency discriminator, mixer, local oscillator, audio decoder, decryptor, speaker. The invention can free the hands of the firefighters and enhance the gold rescue ability of the firefighters. It solves the embarrassment that it is difficult to wear an air-breathing gas mask with a traditional helmet. Realize data communication as an integral part of the helmet. It is easy for firefighters to wear, easy to operate and easy to maintain.

Description

technical field [0001] The invention relates to the field of firefighting equipment, in particular to a multifunctional firefighting helmet. Background technique [0002] At present, fire helmets in the market have only a simple head protection function and do not have other functions. Firefighter communication requires additional communication equipment. The communication equipment that firefighters are often equipped with is an analog walkie-talkie. This machine is bulky, and the upload signal uses a microphone as the sound source, which is easily disturbed. It has many general functions and cumbersome operation, which is not conducive to use in emergency situations. Firefighters cannot completely free their hands, which delays the rescue time, and the rescue efficiency is low. They no longer use the walkie-talkie to shout loudly. [0003] The fire helmet that is now equipped with a microphone is used as a sound source, and a lot of noise is superimposed on the sound sou...

AI Technical Summary

Problems solved by technology

The people on the scene could not hear the command center's order deployment clearly, and the communication interference exposed in the actual combat was serious, and the situation of the fire scene could not be fed back to the command center in time, which delayed the command center to make a timely and effective disaster relief plan to deal with sudden changes and other disadvantages.

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