VIBRATION SENSOR - SHENZHEN SHOKZ CO LTD

Title:

VIBRATION SENSOR

Document Type and Number:

WIPO Patent Application WO/2022/143302

Kind Code:

A1

Abstract:

A vibration sensor (200), comprising: a vibration receiver (210) and an acoustic transducer (220). The vibration receiver (210) comprises a housing (211), a limiting member (212) and a vibration unit (213), wherein the housing (211) and the acoustic transducer (220) form an acoustic cavity; the vibration unit (213) is located in the acoustic cavity and divides the acoustic cavity into a first acoustic cavity (214) and a second acoustic cavity (215); the acoustic transducer (220) is in acoustic communication with the first acoustic cavity (214); the housing (211) is configured to generate vibrations on the basis of external vibration signals; the vibration unit (213) changes the sound pressure in the first acoustic cavity (214) in response to the vibration of the housing (211), such that the acoustic transducer (220) generates an electrical signal; the vibration unit (213) comprises a mass element (2131) and an elastic element (2132); and a first side of the elastic element (2132) surrounds and is connected to a side wall of the mass element (2131), and a second side of the elastic element (2132) is connected to the limiting member (212).

Inventors:

DENG WENJUN (CN)
YUAN YONGSHUAI (CN)
HUANG YUJIA (CN)
ZHOU WENBING (CN)
LIAO FENGYUN (CN)
QI XIN (CN)

Application Number:

PCT/CN2021/140090

Publication Date:

July 07, 2022

Filing Date:

December 21, 2021

Export Citation:

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Assignee:

SHENZHEN SHOKZ CO LTD (CN)

International Classes:

H04R23/00; G01H17/00

Foreign References:

CN211085470U	2020-07-24
CN212183709U	2020-12-18
CN212086490U	2020-12-04
CN202551344U	2012-11-21
US20160014530A1	2016-01-14
CN2020140180W	2020-12-28
CN202110445739A	2021-04-23
CN2021107978W	2021-07-22
CN2021129148W	2021-11-05

Other References: