CN113382953A - 一种传感器 - Google Patents

一种传感器 Download PDF

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Publication number
CN113382953A
CN113382953A CN201980069540.6A CN201980069540A CN113382953A CN 113382953 A CN113382953 A CN 113382953A CN 201980069540 A CN201980069540 A CN 201980069540A CN 113382953 A CN113382953 A CN 113382953A
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China
Prior art keywords
sensor
flexible plate
sensing assembly
pressure sensing
pressure
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CN201980069540.6A
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English (en)
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CN113382953B (zh
Inventor
谢冠宏
邱士嘉
罗松成
游博丞
詹竣凯
方维伦
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Gettop Acoustic Co Ltd
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Gettop Acoustic Co Ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
    • G01L19/0609—Pressure pulsation damping arrangements
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D11/00—Component parts of measuring arrangements not specially adapted for a specific variable
    • G01D11/24—Housings ; Casings for instruments
    • G01D11/245—Housings for sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/0007—Fluidic connecting means
    • G01L19/0038—Fluidic connecting means being part of the housing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/14—Housings
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/02—Casings; Cabinets ; Supports therefor; Mountings therein
    • H04R1/04—Structural association of microphone with electric circuitry therefor
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H04R19/04—Microphones
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/003—Mems transducers or their use
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2410/00—Microphones
    • H04R2410/07—Mechanical or electrical reduction of wind noise generated by wind passing a microphone

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Measuring Fluid Pressure (AREA)
  • Pressure Sensors (AREA)

Abstract

一种传感器，包括具有容纳腔(11)的壳体(10)、设于容纳腔(11)内且能因其运动而使得容纳腔内的媒介产生压力变化的挠性板(20)和用于感测压力变化的压力感测组件(30)，压力感测组件(30)与挠性板(20)组装在一起并可一起运动。外界待测信号传递到传感器后，挠性板(20)产生运动引发空气扰动，再藉由压力感测组件(30)接收空气扰动的压力变化并进行信号感测。相较于传统的声音传感器，本发明的传感器无需通过与外界环境连通的开口传导声压以感测声音信号，因此，可避免异物、噪音等环境因素对传感器造成的影响，有效降低非待测物产生的信号，压力感测组件能感测到挠性板相对两侧的压力变化，可有效提升传感器的灵敏度。

Description

PCT国内申请，说明书已公开。

Claims (26)

  1. PCT国内申请，权利要求书已公开。
CN201980069540.6A 2019-03-25 2019-03-25 一种传感器 Active CN113382953B (zh)

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PCT/CN2019/079505 WO2020191576A1 (zh) 2019-03-25 2019-03-25 一种传感器

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US (1) US11796411B2 (zh)
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US11711641B2 (en) * 2019-04-10 2023-07-25 Knowles Electronics, Llc RF immune microphone
TWI732617B (zh) * 2020-03-25 2021-07-01 美律實業股份有限公司 振動感測器
CN213342679U (zh) * 2020-09-25 2021-06-01 瑞声声学科技(深圳)有限公司 一种骨传导麦克风
CN213694145U (zh) * 2020-10-27 2021-07-13 歌尔微电子有限公司 骨声纹传感器模组和电子设备
TWI773389B (zh) * 2021-06-18 2022-08-01 大陸商美律電子(深圳)有限公司 振動感測組件
CN113905317B (zh) * 2021-08-04 2023-07-04 钰太芯微电子科技（上海）有限公司 抗射频干扰的麦克风
CN116481700B (zh) * 2023-06-05 2024-03-08 山东慧点智能技术有限公司 一种压力传感器及压力传感系统

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Publication number Publication date
CN113382953B (zh) 2022-10-25
CN110726422A (zh) 2020-01-24
CN210464558U (zh) 2020-05-05
CN110726422B (zh) 2020-06-09
US20220034740A1 (en) 2022-02-03
US11796411B2 (en) 2023-10-24
WO2020191576A1 (zh) 2020-10-01

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