Voice communication controller and communication system for positive pressure air breather

Abstract

The invention discloses a voice communication controller and a communication system for a positive pressure air breather, which can perform voice communication clearly and accurately and strengthen team communication effectively. The communication system comprises a voice communication controller, a first MIC (Microphone) and a second MIC. The first MIC and the second MIC are both installed in a mask of the positive pressure air breather, the first MIC and the second MIC are connected with the voice communication controller by data lines, and the voice communication controller is connected with a worn interphone. In a site working process, workers wear the positive pressure air breather, the voice communication controller and the interphone on the body; the first MIC and the second MIC automatically control the voice signal so as to communicate with other workers by the interphone. The voice communication controller and the communication system for the positive pressure air breather not only can effectively release double hands of the rescue workers and effectively strengthen the team communication by a clear talking effect, but also transmit the voice signal more clearly, accurately and reliably, with wide market prospect.

Description

technical field [0001] The invention relates to a voice communication controller and a communication system for a positive pressure air respirator. Background technique [0002] Positive pressure air respirators are mainly used in fire protection, chemical industry, ships, petroleum, smelting, factories and mines, laboratories, etc., so that firefighters or emergency rescue personnel can be safe in harsh environments full of smoke, poisonous gas, steam or oxygen deficiency. Fire-fighting, emergency rescue and rescue work. None of the positive pressure air respirators produced in China can achieve direct voice transmission, and many tasks cannot be completed in practical applications. Communication, cooperation and command will delay the rescue opportunity and cause serious consequences. If you use a walkie-talkie, you need to hold down the PTT button of the walkie-talkie to trigger the call, and you cannot free your hands in the rescue scene. In order to overcome this defe...

AI Technical Summary

Problems solved by technology

Since the process of triggering the PTT call switch of the walkie-talkie and the direct transmission of the voice signal share a channel, it is necessary to analyze and judge the signal type after the signal is detected, and the PTT call switch is turned on for the call after the entire action is completed. In this way, it is necessary to delay for a period of time before the voice signal of the microphone can be transmitted, so that the other party may not be able to hear the first word of the sentence he started to speak clearly, leading to misunderstandings in understanding, and it is also difficult to understand the speech speed of the speech. have moderate requirements

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