Invisible earplug

Abstract

The invention discloses an invisible earplug. The invisible earplug comprises an invisible handle and an earplug body. A sound transmission channel is formed in the invisible handle and the earplug body, a movable block is arranged in the sound transmission channel and connected with a relay, a circuit board and a control button are arranged on the invisible handle, and the control button is connected with the relay. A noise-lowering membrane in the earplug body is expanded along with increase of noise, the area of the section of the sound transmission channel is changed, and the noise is prevented from entering the ears of a user; when the user enters a large-noise environment, the control button can be pressed, the relay switches off a loop, a motor and/or a pushing rod is controlled topush the movable block to block the sound transmission channel, the noise is controlled to enter the ears of the user, when the user needs to listen conversion of others, the control button is pressedagain, the relay will control the motor and/or the driving rod to pull the movable block to an original position, the sound transmission channel is kept unimpeded, and the user can normally listen the conversion of others.

Description

technical field [0001] The invention relates to a plug, in particular to an invisible earplug. Background technique [0002] In many noisy factories or any place where there is a lot of noise, people habitually wear earplugs, which can prevent noise from entering the ears and protect their hearing to prevent hearing loss. When people sleep, if it is very noisy outside the window, a quiet sleep environment cannot be guaranteed, and people are difficult to fall asleep. At this time, people usually choose to wear earplugs to ensure that the environment for their sleep is quiet. When waiting at the airport or the high-speed train lane, when the car passes by, there will be negative pressure, and our ears may temporarily experience tinnitus, so people can choose to wear earplugs to prevent similar situations from happening. However, although present earplugs can help users prevent sound from entering the ears and give users a quiet environment, it is troublesome to take off or p...

AI Technical Summary

Problems solved by technology

However, although present earplugs can help users prevent sound from entering the ears and give users a quiet environment, it is troublesome to take off or put on the earplugs constantly, and if people wear earplugs all the time, when someone shouts, due to the earplugs Blocking people's ears, you can't hear the caller calling yourself at all, and it also causes great inconvenience to people

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