Apparatus and method for determining the proportion of a substance in a gas sample using an infrared measuring instrument

Invention Grant

US07268352B2 Apparatus and method for determining the proportion of a substance in a gas sample using an infrared measuring instrument 失效

Title translation: 使用红外测量仪器确定气体样品中物质比例的装置和方法

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Patent Title: Apparatus and method for determining the proportion of a substance in a gas sample using an infrared measuring instrument
Patent Title (中): 使用红外测量仪器确定气体样品中物质比例的装置和方法
Application No.: US11141112

Application Date: 2005-06-01
Publication No.: US07268352B2

Publication Date: 2007-09-11
Inventor: Rasmus Behring , Peter Dreyer , Horst-Dieter Hattendorff , Bernd-Michael Dicks , Hans Matthiessen
Applicant: Rasmus Behring , Peter Dreyer , Horst-Dieter Hattendorff , Bernd-Michael Dicks , Hans Matthiessen
Applicant Address: DE
Assignee: Dragerwerk Artiengesellschaft
Current Assignee: Dragerwerk Artiengesellschaft
Current Assignee Address: DE
Agency: Nixon & Vanderhye PC
Priority: DE102004028360 20040611
Main IPC: H02H7/125
IPC: H02H7/125 ; G01J5/02

Apparatus and method for determining the proportion of a substance in a gas sample using an infrared measuring instrument

Abstract:

The invention relates to an apparatus and a method for improved correction of drift in an infrared measuring instrument. The measurement signal furnished by a thermal detector is split into a direct voltage component and an alternating voltage component. By means of calibration curves (24, 27), a calculated comparison variable T DC , korr 900 is formed from a measured, averaged concentration value c AC1 900 . The correction value ΔT for the drift correction is obtained from the difference between the corresponding measured size of the direct voltage component T DC 900 and the comparison variable T DC , korr 900 .

Abstract(Chinese):

本发明涉及一种用于改进红外测量仪器漂移校正的装置和方法。由热检测器提供的测量信号被分为直流电压分量和交流电压分量。通过校准曲线（24,27），计算的比较变量 $TMATHS>由测量的平均浓度值形成c获得用于漂移校正的校正值DeltaT，获得校正值DeltaT，以获得漂移校正的校正值DeltaT 从直接电压分量的对应测量尺寸之间的差值TMI> DC900和比较变量TDC，korr>900。Public/Granted literature US20050274893A1
Apparatus and method for determining the proportion of a substance in a gas sample using an infrared measuring instrument Public/Granted day:2005-12-15Information query EspacenetIPC分类: H 电学 H02 发电、变电或配电 H02H 紧急保护电路装置（指示或警报意外工作情况的入G01R，例如G01R31/00，G08B；沿线测定故障位置入G01R31/08；紧急保护装置入H01H） H02H7/00 当出现正常工作条件的不希望有的变化时能完成自动切换的，专用于特种电机或电设备的或专用于电缆或线路系统分段保护的紧急保护电路装置（保护装置与特种机械或设备的结构组合以及它们的无自动断开的保护见该机械或设备的有关小类） H02H7/10 .用于变换器的；用于整流器的 H02H7/12 ..用于静态变换器或整流器的 H02H7/125 ...用于整流器Find Agent Technical Fields Latest Chinese Patents Latest US Patents Semantic Search newFriend Links 专利交易门类知识网企业财务服务中科微点API Changelog WeChat Group © 2025 Shanghai Xiaoyi Network Technology Co., Ltd. .
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