A degaussing and dustproof high-quality mobile phone speaker

Abstract

The invention discloses a degaussing dustproof cell phone horn with high tone quality. The cell phone horn comprises an outer support, an inner support, a front cover, a rear cover, and a vibrating diaphragm. The inner support is installed in the inner chamber of the outer support. The vibrating diaphragm is arranged on the top end of the inner support and is located in the inner chamber of the outer support. An annular induction coil is arranged on the top end of the inner support. An annular vibrating coil is arranged in the annular area of the annular induction coil. The direction of the current flowing in the annular vibrating coil is opposite to that flowing in the annular induction coil. The front cover and the rear cover sleeve the outer side of the outer support. The inner surfaces of the front cover and the rear cover and the outer surfaces of the outer support are in gapless cooperation. The front cover and the rear cover may move up and down along the outer support and cooperate with the outer support in order to form a front vocal chamber and rear vocal chamber respectively.

Description

technical field [0001] The invention relates to the technical field of loudspeakers, in particular to a degaussing and dustproof high-quality mobile phone loudspeaker. Background technique [0002] Communication equipment is an indispensable electronic product for modern people, especially mobile phones. With the development of smart phones and mobile Internet, the amount of speakers and earpieces used in smart phones is increasing. But present mobile phone loudspeaker has following defectives: [0003] 1. The volume of the sound cavity of the mobile phone speaker has been fixed after production, and in order to save space, in the actual design, the volume of the sound cavity is often limited, resulting in the high and low frequency performance of the mobile phone speaker cannot meet the requirements when used, and the sound quality is not good; [0004] 2. When the mobile phone is in use, the radio waves sent by the mobile phone will form an electromagnetic field around th...

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Problems solved by technology

[0003] 1. The volume of the sound cavity of the mobile phone speaker has been fixed after production, and in order to save space, in the actual design, the volume of the sound cavity is often limited, resulting in the high and low frequency performance of the mobile phone speaker cannot meet the requirements when used, and the sound quality is not good;

[0004] 2. When the mobile phone is in use, the radio waves sent by the mobile phone will form an electromagnetic field around the antenna, which will cause people wearing hearing aids to hear a harsh buzzing sound; traditional speakers and earphones are all made of a magnet and a bundle of coils. Diaphragm structure; when the coil passes through the electroacoustic signal, a changing magnetic field is generated, and this magnetic field acts with the magnet to make the coil drive the diaphragm to produce the sound we need; but it is also the magnetic field of the coil that will interfere with other equipment such as hearing aids. Other equipment does not work properly or fails; therefore, when users wearing hearing aids use mobile phones, they will have poor compatibility and cannot hear clear sounds;

[0005] 3. There are some sound holes on the phone case at the position of the speaker to ensure that the sound will not be blocked and reduced; however, it is these sound holes that become a channel for dust to enter the interior of the phone; for a long time, a large amount of dust enters the phone The position of the speaker not only affects the call effect, but also has the potential hidden danger of spreading germs because it is attached to the ear when answering the call

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