Watertight microphone

A watertight microphone and microphone technology, applied in the field of microphones, can solve problems such as microphone performance impact and malfunction, and achieve the effects of strong environmental adaptability, reduced impact, and wide application

Active Publication Date: 2014-03-19
THE THIRD RES INST OF CHINA ELECTRONICS TECH GRP CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The above structures all have the following problems: since the waterproof structure completely seals the microphone, when the ambient air pressure changes or the gas in the sealed structure expands or contracts due to changes in the ambient temperature, the sensitive elements of the microphone will work under abnormal pressure conditions. Will affect the performance of the microphone, or even not work properly

Method used

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Embodiment Construction

[0015] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0016] Such as figure 1 , 2 As shown, a watertight microphone of the present invention includes: a lower casing 3, an upper casing 1 fastened with the lower casing 3, a microphone main body 6 arranged in the lower casing 3, and a connection with the lower casing 3. The air bag 10 with the inner cavity connected. The upper casing 1 is provided with a sound entrance hole 2 connecting the inner cavity of the upper casing 1 with the outside, and the inner cavity of the lower casing 3 is sealed and has no communication with the outside world. Preferably, the microphone main body 6 is connected to the cable 7 through the watertight joint 5 provided on the lower casing 3 .

[0017] Wherein, the microphone main body 6 is a condenser microphone, an electret microphone, a fiber optic microphone, a piezoelectric microphone or a dynamic coil microphone. ...

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Abstract

The invention relates to a microphone and particularly relates to a watertight microphone with a gasbag. The watertight microphone comprises an upper shell (1) with a sound inlet (2), a lower shell (3) connected with the upper shell (1), and a microphone main body (6) arranged in the lower shell (3); the watertight microphone is characterized by further comprising the gasbag (10) which is communicated with an inner cavity of the lower shell (3). The watertight microphone disclosed by the invention can reduce influences of environment factors on performances of the microphone, satisfies normal working needs of the microphone, and can be widely applied to outdoor and water acoustic measurement.

Description

technical field [0001] The invention relates to a microphone, in particular to a watertight microphone with an air bag. Background technique [0002] A microphone is a sensor that picks up sound signals and is widely used in voice communication, recording devices, noise monitoring, etc. In some occasions, such as outdoor noise monitoring and ship voice communication, the microphone needs to be watertight. [0003] At present, the watertight microphones in the prior art basically adopt a waterproof membrane structure, as follows: [0004] (1) The watertight microphone produced by KNOWLES Company of the United States adopts a design that is completely suitable for immersion. Its shape design includes a capsule design that can be submerged 1 meter underwater and a micro-shaped design that can be submerged 15 meters underwater. However, there is a problem with this microphone. It is clearly marked in the product description: When the sound inlet is subjected to additional pres...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04R1/44
Inventor 程进赵龙江魏晓玲冯杰候志国周瑜冯晖侍艳华刘志鹏
Owner THE THIRD RES INST OF CHINA ELECTRONICS TECH GRP CORP
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