CN113156160B8 - 气体计量芯片及其的计量方法、气体计量计 - Google Patents

气体计量芯片及其的计量方法、气体计量计 Download PDF

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CN113156160B8
CN113156160B8 CN202110469382.2A CN202110469382A CN113156160B8 CN 113156160 B8 CN113156160 B8 CN 113156160B8 CN 202110469382 A CN202110469382 A CN 202110469382A CN 113156160 B8 CN113156160 B8 CN 113156160B8
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CN113156160A (zh
CN113156160B (zh
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吕玲
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Smart Quantum Jiangsu Electronic Technology Co ltd
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Smart Quantum Jiangsu Electronic Technology Co ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/10—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring thermal variables
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters

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  • Measuring Volume Flow (AREA)
  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)

Abstract

本发明公开了一种气体计量芯片及其的计量方法、气体计量计，气体计量芯片包括：模拟放大调理模块，用于接收和放大第一组电信号和第二组电信号，第一组电信号对应流速传感器采集的温度变化信号，第二组电信号对应热物性传感器采集的温度变化信号；A/D转换模块与模拟放大调理模块电连接，用于将第一组电信号转换为第一数字信号，将第二组电信号转换为第二数字信号；计量运算与控制模块与A/D转换模块电连接，用于根据第二数字信号修正第一数字信号形成温差函数，并根据温差函数与瞬时流速的对应关系表，获取被测气体的瞬时流速；三者集成形成系统级芯片，从而可提高计量精度，提高气体计量计产品的一致性。
CN202110469382.2A 2021-04-28 2021-04-28 气体计量芯片及其的计量方法、气体计量计 Active CN113156160B8 (zh)

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CN113156160A CN113156160A (zh) 2021-07-23
CN113156160B CN113156160B (zh) 2023-04-14
CN113156160B8 true CN113156160B8 (zh) 2023-06-09

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007063114A2 (de) * 2005-12-01 2007-06-07 Endress+Hauser Flowtec Ag Vorrichtung zur bestimmung und/oder überwachung des massedurchflusses eines gasförmigen mediums
CN110737877A (zh) * 2019-10-08 2020-01-31 瑞纳智能设备股份有限公司 一种基于介质粘度的流速修正方法及系统

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JPH0812093B2 (ja) * 1989-02-14 1996-02-07 三菱電機株式会社 熱式流量センサの信号処理方法
JP4450958B2 (ja) * 2000-07-10 2010-04-14 株式会社リコー 熱式フローセンサ
CN103674120B (zh) * 2012-09-20 2018-07-06 新奥科技发展有限公司 一种基于mems敏感元件的复合气体流量计量装置及其测量方法
JP5914388B2 (ja) * 2013-03-05 2016-05-11 日立オートモティブシステムズ株式会社 熱式流体計測装置
CN104713606B (zh) * 2015-03-12 2018-11-30 新奥科技发展有限公司 多组分气体的流量测量方法及装置
CN104697593B (zh) * 2015-03-24 2017-12-08 合肥工业大学 一种基于fpga和dsp的气体超声流量计
CN105807027B (zh) * 2016-03-16 2018-11-09 新奥科技发展有限公司 气体能量计量方法及装置
CN207113982U (zh) * 2017-08-29 2018-03-16 杭州先锋电子技术股份有限公司 一种检测燃气表卡表的检测装置
CN111795730B (zh) * 2020-07-29 2021-10-22 矽翔微机电(杭州)有限公司 一种气体热式质量流量计

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007063114A2 (de) * 2005-12-01 2007-06-07 Endress+Hauser Flowtec Ag Vorrichtung zur bestimmung und/oder überwachung des massedurchflusses eines gasförmigen mediums
CN110737877A (zh) * 2019-10-08 2020-01-31 瑞纳智能设备股份有限公司 一种基于介质粘度的流速修正方法及系统

Non-Patent Citations (1)

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Title
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Effective date of registration: 20230330

Address after: Building 2, No. 28 Xiajiaqiao Road, Ludu Street, Taicang City, Suzhou City, Jiangsu Province, 215400

Applicant after: Smart quantum (Jiangsu) Electronic Technology Co.,Ltd.

Address before: 201111 Building 1, 5500 Yuanjiang Road, Minhang District, Shanghai

Applicant before: Shanghai Yizhi measuring core technology Co.,Ltd.

GR01 Patent grant
GR01 Patent grant
CI03 Correction of invention patent
CI03 Correction of invention patent

Correction item: Patentee|Address

Correct: Smart quantum (Jiangsu) Electronic Technology Co.,Ltd.|Building 2, No. 28 Xiajiaqiao Road, Ludu Street, Taicang City, Suzhou City, Jiangsu Province, 215400

False: Shanghai Yizhi measuring core technology Co.,Ltd.|201111 Building 1, 5500 Yuanjiang Road, Minhang District, Shanghai

Number: 15-02

Page: The title page

Volume: 39

Correction item: Patentee|Address

Correct: Smart quantum (Jiangsu) Electronic Technology Co.,Ltd.|Building 2, No. 28 Xiajiaqiao Road, Ludu Street, Taicang City, Suzhou City, Jiangsu Province, 215400

False: Shanghai Yizhi measuring core technology Co.,Ltd.|201111 Building 1, 5500 Yuanjiang Road, Minhang District, Shanghai

Number: 15-02

Volume: 39

OR01 Other related matters
OR01 Other related matters