会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 5. 发明专利
    • Gas sensor and calibration method for the same
    • 气体传感器及其校准方法
    • JP2012052901A
    • 2012-03-15
    • JP2010195407
    • 2010-09-01
    • Denso CorpNippon Soken Inc株式会社デンソー株式会社日本自動車部品総合研究所
    • MIZUTANI KEIGOMIYASHITA AKIRAWATARAI TAKEHIRO
    • G01N27/26G01N27/416
    • G01N27/4074
    • PROBLEM TO BE SOLVED: To provide a gas sensor and a calibration method for the same capable of inexpensively, easily and accurately calibrating a gas sensor.SOLUTION: A calibration method for a gas sensor 1 which comprises a measurement object gas chamber 2, a diffusion resistant section 3, a pump cell 4 and a sensor cell 5 executes: a correlation creating process to obtain a correlation between a pump current value Ip with respect to oxygen gas with a predetermined density and a sensor current value Is with respect to a specific component gas with a predetermined density; a reference current value measuring process to measure a reference pump current value Ipand a reference sensor current value Isof a reference gas sensor; a pump current measuring process to measure a pump current value Ipof a calibration gas sensor; a sensor current value estimation process to estimate a sensor current value Isof the calibration gas sensor from the pump current value Ipusing the correlation; and a sensor output characteristic correction process to correct by comparing the sensor current value Isand the reference sensor current value Isso that an output characteristic of the calibration gas sensor is comparable with the output characteristic of the reference gas sensor.
    • 要解决的问题:提供一种能够廉价,容易且精确地校准气体传感器的气体传感器和校准方法。 解决方案:用于气体传感器1的校准方法,其包括测量对象气体室2,扩散阻挡部分3,泵浦单元4和传感器单元5,执行相关创建过程以获得泵 相对于具有预定密度的特定成分气体,具有预定浓度的氧气的电流值Ip和传感器电流值Is; 参考电流值测量过程,用于测量参考泵电流值Ip 0 和参考传感器电流值Is 0 气体传感器 用于测量校准气体传感器的泵电流值Ip n 的泵电流测量过程; 根据泵电流值Ip n 估计校准气体传感器的传感器电流值Is n 的传感器电流值估计处理 使用相关性; 和传感器输出特性校正处理,通过将传感器电流值Is n 与参考传感器电流值Is 0 进行比较来校正 校准气体传感器的输出特性与参考气体传感器的输出特性相当。 版权所有(C)2012,JPO&INPIT
    • 7. 发明专利
    • Method of manufacturing gas sensor element
    • 制造气体传感器元件的方法
    • JP2010066246A
    • 2010-03-25
    • JP2008235806
    • 2008-09-15
    • Denso CorpNippon Soken Inc株式会社デンソー株式会社日本自動車部品総合研究所
    • TERANISHI SHINYAMIZUTANI KEIGOMIYASHITA AKIRAENMEI SHOICHIRO
    • G01N27/416G01N27/419
    • PROBLEM TO BE SOLVED: To provide a method of manufacturing a gas sensor element capable of preventing Au poisoning of measuring electrodes and constraining lowering of detection accuracy. SOLUTION: The gas sensor element is manufactured through a sintered compact production step and an alloying step of an internal pump electrode. In the sintered compact production step, a room of measurement target gas 11 formed between a first solid electrolyte body 51 and a second solid electrolyte body 52, a diffusion resistance section 12 into which the measurement target gas is introduced under a predetermined diffusion resistance, a sensor cell 3 detecting specific gas concentration in the room of measurement target gas 11, and an oxygen pump cell 2 adjusting oxygen concentration in the room of measurement target gas 11 are included, while on a surface of the second solid electrolyte body 52 facing to the room of measurement target gas 11, a gas sensor sintered compact 190 is produced including an internal pump electrode 21 with Pt as a principal component containing no Au. In the alloying step of the internal pump electrode, of a measuring electrode 31 and the internal pump electrode 21, Au is adhered to only the internal pump electrode 21 to be alloyed with Au. COPYRIGHT: (C)2010,JPO&INPIT
    • 解决的问题:提供一种能够防止测量电极的金中毒并限制检测精度降低的气体传感器元件的制造方法。 解决方案:气体传感器元件通过烧结压实生产步骤和内部泵电极的合金化步骤制造。 在烧结体的制造工序中,在第一固体电解质体51和第二固体电解质体52之间形成的测定对象气体11的室,在规定的扩散阻力下导入测定对象气体的扩散阻力部12, 检测测定对象气体11的室内的气体浓度的传感器单元3以及在测量对象气体11的室内调节氧气浓度的氧气泵室2,同时在第二固体电解质体52的面向 测量对象气体室11,气体传感器烧结体190,其包括内部泵电极21,其中Pt作为不含Au的主要成分。 在内部泵电极,测量电极31和内部泵浦电极21的合金化步骤中,仅将Au附着在内部的电极21上,以与Au合金化。 版权所有(C)2010,JPO&INPIT
    • 10. 发明专利
    • NOx sensor
    • NOx传感器
    • JP2011043333A
    • 2011-03-03
    • JP2009189667
    • 2009-08-19
    • Denso CorpNippon Soken Inc株式会社デンソー株式会社日本自動車部品総合研究所
    • MIZUTANI KEIGOTERANISHI SHINYAMIYASHITA AKIRANAKATO MITSUNOBU
    • G01N27/416G01N27/419
    • G01N27/4067G01N27/4072
    • PROBLEM TO BE SOLVED: To provide a NOx sensor with excellent measurement precision for ammonia concentration in a measured gas. SOLUTION: The NOx sensor 1 includes a measured gas chamber 2 where a measured gas is introduced, a diffusion resistance part 3 provided at an introducing part of the measured gas in the measured gas chamber 2, a sensor cell 4 detecting a NOx concentration in the measured gas chamber 2, a pump cell 5 adjusting an oxygen concentration in the measured gas chamber 2 and a temperature control means 6 controlling the temperature of the diffusion resistance part 3 to 700°C or higher when used. The sensor cell 4 includes an oxygen ion-conductive solid electrolyte 41 for sensor and a pair of electrodes 421, 422 for sensor disposed at a surface facing the measured gas chamber 2 in the solid electrolyte 41 for sensor and at a surface opposite thereto. The pump cell 5 includes an oxygen ion-conductive solid electrolyte 51 for pump and a pair of electrodes 521, 522 for pump disposed at a surface facing the measured gas chamber 2 in the solid electrolyte 51 for sensor and at a surface opposite thereto. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:为了提供对测量气体中的氨浓度具有优异的测量精度的NOx传感器。 解决方案:NOx传感器1包括测量气体的测量气体2,测量气体室2中测量气体的引入部分设置的扩散阻力部分3,检测NOx的传感器单元4 测量气体室2中的浓度,调节测量气体室2中的氧浓度的泵电池5和使用时将扩散阻力部分3的温度控制在700℃以上的温度控制装置6。 传感器单元4包括用于传感器的氧离子传导性固体电解质41和用于传感器的固体电解质41中的面对被测气室2的表面的传感器的一对电极421,422和与其相反的表面。 泵电池5包括用于泵的氧离子传导固体电解质51和用于传感器的固体电解质51中的与测量气体室2相对的表面处的泵的一对电极521,522和与其相反的表面。 版权所有(C)2011,JPO&INPIT