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    • 1. 发明专利
    • Gas sensor, and combustion equipment and gas alarm with the gas sensor
    • 气体传感器,燃气设备和气体传感器与气体传感器
    • JP2010256048A
    • 2010-11-11
    • JP2009103453
    • 2009-04-21
    • Fis IncOsaka Gas Co Ltdエフアイエス株式会社大阪瓦斯株式会社
    • MIYATO AKIRAONISHI HISAONAKAYAMA TOSHIRONONAKA ATSUSHIKUNIMATSU TOSHIHIROMATSUMOTO SHINICHIKONO HARUMIKUROE YASUSHI
    • G01N27/12
    • PROBLEM TO BE SOLVED: To provide a gas sensor which surely determine that a filter portion is in a condition of filter contamination by coarse gas and a gas detection portion is under an influence of coarse gas and correctly detecting and alarming an existence of a detection object gas of a predetermined concentration. SOLUTION: The gas sensor includes a gas detection part which is sensitive to the detection object gas to change an electric resistance value, a filter part to which the coarse gas attaches, a control part which controls operation of a heating part by switching the gas detection part between a high temperature operation state and a low temperature operation state and detects an incomplete combustion gas based on the electric resistance value in the low temperature operation state, and a determination part which determines to be the condition of filter contamination of the filter part attached by the coarse gas when the control part detects a minimum value of a first electric resistance value in the high temperature operation state and a second electric resistance value immediately before changing from the high temperature operation state to the low temperature operation state and the ratio of the minimum value to the second electric resistance value is lower than a previously set prescribed determination value. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种气体传感器,其可靠地确定过滤器部分处于粗气体的过滤器污染的状态,并且气体检测部分受到粗气体的影响并正确地检测和警告存在 预定浓度的检测对象气体。 解决方案:气体传感器包括对检测对象气体敏感以改变电阻值的气体检测部分,粗气体附着的过滤部分,通过切换控制加热部分的操作的控制部分 所述气体检测部在高温运转状态与低温运转状态之间,根据所述低温运转状态下的电阻值检测不完全燃烧气体,所述判定部判定为所述低温运转状态的过滤器污染状态 当控制部分检测到高温运行状态下的第一电阻值的最小值和刚刚从高温运行状态变为低温运转状态的第二电阻值时,由粗气体连接的过滤器部分, 最小值与第二电阻值的比值低于预先设定的预定值 划线确定值。 版权所有(C)2011,JPO&INPIT
    • 2. 发明专利
    • Combustion apparatus
    • 燃烧装置
    • JP2010145044A
    • 2010-07-01
    • JP2008324161
    • 2008-12-19
    • Fis IncOsaka Gas Co Ltdエフアイエス株式会社大阪瓦斯株式会社
    • MIYATO AKIRAONISHI HISAONAKAYAMA TOSHIRONONAKA ATSUSHIKUNIMATSU TOSHIHIROMATSUMOTO SHINICHIKONO HARUMIKUROE YASUSHI
    • F23N5/24
    • PROBLEM TO BE SOLVED: To provide a combustion device, capable of further improving the safety for ignition of a burner. SOLUTION: The combustion device includes: a burner; a fuel intermittent means V which can be switched between a fuel supply state for supplying fuel to the burner and a fuel supply stop state for stopping the supply of fuel to the burner; a gas detector 1 the electric characteristic of which is changed when it senses the fuel; and a control means C which executes, when combustion start of the burner is instructed, ignition processing for operating an ignition means 50 and switching the fuel intermittent means V to the fuel supply state. The control means C executes, after the start of ignition processing, fuel leak detection processing for detect fuel leak based on the electric characteristic of the gas detector 1, and switches, upon detection of fuel leak by the fuel leak detection processing, the fuel intermittent means V to the fuel supply stop state. The control means C executes the fuel leak detection processing in a pre-ignition period between the instruction of combustion start and the execution of the ignition processing. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供能够进一步提高燃烧器点火的安全性的燃烧装置。 解决方案:燃烧装置包括:燃烧器; 可以在用于向燃烧器供应燃料的燃料供给状态和用于停止向燃烧器供给燃料的燃料供给停止状态之间切换的燃料间歇装置V; 气体检测器1,当其感测燃料时,电气特性被改变; 以及控制装置C,其在指示燃烧器的燃烧开始时执行点火处理,用于操作点火装置50并将燃料间歇装置V切换到燃料供应状态。 控制装置C在开始点火处理之后执行基于气体检测器1的电气特性来检测燃料泄漏的燃料泄漏检测处理,并且在通过燃料泄漏检测处理检测到燃料泄漏时切换燃料间歇性 表示V到燃料供应停止状态。 控制装置C在燃烧开始指令和点火处理执行之间的预启动期间执行燃料泄漏检测处理。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Gas sensor
    • 气体传感器
    • JP2006046932A
    • 2006-02-16
    • JP2004224061
    • 2004-07-30
    • Fis IncOsaka Gas Co Ltdエフアイエス株式会社大阪瓦斯株式会社
    • MATSUMOTO SHINICHIKONO HARUMIONISHI HISAODANGI YASUHARUHASHIMOTO TAKESHI
    • G01N27/12G01N27/04G01N27/16
    • PROBLEM TO BE SOLVED: To provide a gas sensor constituted so as to be capable of certainly performing the inspection of operation due to an inspection gas while ensuring the long-term stability of sensor characteristics. SOLUTION: The gas sensor A is equipped with a cylindrical housing container 23 having a gas inflow port 8 on one end side in its axial direction and housing a gas-sensitive body 1 comprising a metal oxide semiconductor therein, a filter cap 7 having the housing container 23 fitted therein so that the gas inflow port 8 becomes the head from the opening part or one end side in the axial direction of the housing container 23 and having a vent hole 10 formed to the end surface on the other end side of the housing container 23 and the adsorbing material 12 provided to the gas flow channel between the vent hole 10 and the gas inflow port 8 to adsorb an obstruction gas and a poisoning gas. Further, an inspection gas introducing passage for allowing the outside and inside of the filter cap 7 to communicate with each other without interposing the adsorbing material 12 and setting the airtight degree of the filter cap 7 to 0.03-0.6 ml/(min Pa) is formed from the gap 22 between the outer peripheral surface of the housing container 23 and the inner peripheral surface of the filter cap 7. COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种气体传感器,其构造成能够确保传感器特性的长期稳定性而能够由检查气体执行检查。 解决方案:气体传感器A装有一个圆柱形容纳容器23,它在轴向一端侧具有一个气体流入口8,并在其中容纳包含金属氧化物半导体的气体敏感体1,过滤嘴盖7 将容纳容器23嵌入其中,使得气体流入口8从容纳容器23的开口部或轴向的一端侧成为头部,并且具有形成在另一端侧的端面的通气孔10 容纳容器23和设置在通气孔10和气体流入口8之间的气体流路的吸附材料12,以吸附阻塞气体和中毒气体。 此外,用于允许过滤帽7的外部和内部彼此连通而不插入吸附材料12并将过滤嘴7的气密度设定为0.03-0.6ml /(分钟Pa)的检查气体引入通道是 由容纳容器23的外周面与过滤嘴盖7的内周面之间的间隙22形成。(C)2006年,JPO&NCIPI
    • 4. 发明专利
    • Gas detector
    • 气体检测器
    • JP2013200146A
    • 2013-10-03
    • JP2012067296
    • 2012-03-23
    • Fis Incエフアイエス株式会社Osaka Gas Co Ltd大阪瓦斯株式会社
    • MATSUMOTO SHINICHIKUROE YASUSHIKURIBAYASHI HARUMIMIYATO AKIRAONISHI HISAONAKAYAMA TOSHIRONONAKA ATSUSHINAKAJIMA TAKASHI
    • G01N27/04G01N27/12
    • PROBLEM TO BE SOLVED: To provide a gas detector in which the detection accuracy of a detection object gas is less likely to deteriorate even in a case where a gas sensor has large temperature dependency.SOLUTION: A storage unit 38 preliminarily stores a resistance value of a gas sensor 2 associated with humidity in standard atmosphere, as known data. A detection processing unit 35 includes a calculation section 351 for acquiring a correction value corresponding to humidity in atmosphere, and a correction section 352 for correcting a detection result of a detection object gas by using the correction value. In an inflow path of the detection object gas to the gas sensor 2, a filter is provided so that the reaction rate of the gas sensor 2 with respect to the humidity is made slower than the reaction rate of the gas sensor 2 with respect to the detection object gas. When variation per unit time of the resistance value of the gas sensor 2 becomes less than a determination threshold, the calculation section 351 calculates the correction value from the current resistance value of the gas sensor 2 and the know data in the storage unit 38.
    • 要解决的问题:即使在气体传感器具有较大的温度依赖性的情况下,也能够提供检测对象气体的检测精度不太可能劣化的气体检测器。解决方案:存储部38预先存储检测对象气体的电阻值 与标准气氛中的湿度相关联的气体传感器2作为已知数据。 检测处理单元35包括用于获取与大气中的湿度相对应的校正值的计算部分351和用于通过使用校正值校正检测对象气体的检测结果的校正部分352。 在气体传感器2的检测对象气体的流入路径中,设置有使气体传感器2相对于湿度的反应速度比气体传感器2相对于气体传感器2的反应速度慢的过滤器 检测对象气体。 当气体传感器2的电阻值的单位时间的变化小于判定阈值时,计算部351根据气体传感器2的当前电阻值和存储部38中的知识数据计算校正值。
    • 5. 发明专利
    • Gas sensor for combustion equipment, and combustion equipment
    • 用于燃烧设备的燃气传感器和燃烧设备
    • JP2010145282A
    • 2010-07-01
    • JP2008324160
    • 2008-12-19
    • Fis IncOsaka Gas Co Ltdエフアイエス株式会社大阪瓦斯株式会社
    • MIYATO AKIRAONISHI HISAONAKAYAMA TOSHIRONONAKA ATSUSHIKUNIMATSU TOSHIHIROMATSUMOTO SHINICHIKONO HARUMIKUROE YASUSHI
    • G01N27/12G01N27/00G01N27/16
    • PROBLEM TO BE SOLVED: To provide a gas sensor for combustion equipment capable of sensing fuel leakage and incomplete combustion precisely while exactly precisely sensing fuel leakage in the initial stage of the starting of combustion of a combustion unit.
      SOLUTION: The gas sensor includes a control means 16 to implement a normal detection mode that detects flammable gas in a high-temperature operating condition and incomplete combustion gas in a low-temperature operating condition in which the control means 16 is configured to implement an initial detection mode to control the operation of a heating means 2 prior to the normal detection mode so as to switch the gas detection object 1 to the high-temperature operating condition and the low temperature condition in order to detect flammable gas in the high-temperature operating condition and incomplete combustion gas in the low-temperature operating condition based on the electric characteristics of a gas detection object 1 in a pattern that a frequency is greater than that of normal detection modes, that the inflammable gas is detected in the high-temperature operating condition during a comparing setting time that is not greater than an initial detection setting time during an initial detection setting time after receiving combustion initiation operation of the combustion unit.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:为了在燃烧单元的燃烧开始的初始阶段精确地精确地感测燃料泄漏,提供能够精确地感测燃料泄漏和不完全燃烧的燃烧设备的气体传感器。 解决方案:气体传感器包括控制装置16,用于实现在低温运行状态下检测高温运行状态下的易燃气体的正常检测模式和控制装置16构成的低温运行状态的不完全燃烧气体 执行初始检测模式以在正常检测模式之前控制加热装置2的操作,以便将气体检测对象1切换到高温操作条件和低温条件,以便检测高温下的易燃气体 基于气体检测对象1的电特性,在低温操作状态下的温度操作条件和不完全燃烧气体,其频率大于正常检测模式的频率,在高温下检测到可燃气体 在初始检测设定时间不大于比较设定时间的温度运转状态 l接收燃烧单元的燃烧起动操作后的检测设定时间。 版权所有(C)2010,JPO&INPIT
    • 6. 发明专利
    • Semiconductor gas sensor
    • 半导体气体传感器
    • JP2006046970A
    • 2006-02-16
    • JP2004224804
    • 2004-07-30
    • Fis IncOsaka Gas Co Ltdエフアイエス株式会社大阪瓦斯株式会社
    • KONO HARUMIMATSUMOTO SHINICHIONISHI HISAOHIGAKI KATSUMITABATA SOICHI
    • G01N27/12
    • PROBLEM TO BE SOLVED: To provide a semiconductor gas sensor capable of highly keeping the stability with the elapse of time of detection sensitivity in especially detecting carbon monoxide even if a gas-sensitive element is miniaturized and capable of suppressing power consumption while ensuring high reliability.
      SOLUTION: The semiconductor gas sensor is equipped with the gas-sensitive element A containing tin oxide as a metal oxide semiconductor. The gas-sensitive element A contains palladium in its surface layer region 2 up to a depth of 60 μm from its surface as a first additive and also contains at least one kind of a metal selected from tungsten, molybdenum, vanadium as a second additive. The content of the second additive in the surface layer region 2 is 0.2-6.0% by mass of the total amount of a tin atom in the surface layer region 2.
      COPYRIGHT: (C)2006,JPO&NCIPI
    • 要解决的问题:提供一种半导体气体传感器,即使气敏元件小型化并且能够在确保电力消耗的同时能够抑制电力消耗,也能够在特别检测一氧化碳的同时高度保持检测灵敏度的时间的稳定性 高可靠性。 解决方案:半导体气体传感器配备有含有氧化锡作为金属氧化物半导体的气敏元件A. 气体敏感元件A在其表面区域2中含有钯作为第一添加剂,其表面的深度为60μm,并且还含有选自钨,钼,钒作为第二添加剂的至少一种金属。 表面层区域2中的第二添加剂的含量为表面层区域2中锡原子总量的0.2〜6.0质量%。(C)2006,JPO&NCIPI
    • 7. 发明专利
    • Combustion apparatus
    • 燃烧装置
    • JP2013200147A
    • 2013-10-03
    • JP2012067297
    • 2012-03-23
    • Fis Incエフアイエス株式会社Osaka Gas Co Ltd大阪瓦斯株式会社
    • MATSUMOTO SHINICHIKUROE YASUSHIKURIBAYASHI HARUMIMIYATO AKIRAONISHI HISAONAKAYAMA TOSHIRONONAKA ATSUSHINAKAJIMA TAKASHI
    • G01N27/12F23N5/24
    • PROBLEM TO BE SOLVED: To provide a combustion device capable of detecting a detection object gas even at the combustion stoppage time while reducing a consumption power.SOLUTION: A gas detection portion 14 is used for a combustion device provided with a combustion portion for burning a fuel, and detects at least any one of a leaked fuel gas or an incomplete combustion gas. The detection portion 14 includes: a gas sensitive element 20 in which an electric resistance changes in response to the detection object gas; a heater 21 for heating the gas sensitive element 20 in the temperature range where the sensitivity for the detection object gas becomes higher than the sensitivity for the gas other than the detection object gas; and a signal processing circuit 24 having a function to control electrical-conduction to the heater 21 and the function to detect the detection object gas from an electric characteristic value of the gas sensitive element 20. At the combustion stoppage time, the signal processing circuit 24 is electrically conducted to the heater 21 and intermittently provides a heating period for heating the gas sensitive element 20 in the temperature range, and the gas sensitive element 20 performs the detection of the detection object gas from the electric resistance of the gas sensitive element 20 in a heated state.
    • 要解决的问题:提供即使在燃烧停止时间也能够检测检测对象气体的燃烧装置,同时降低消耗功率。解决方案:气体检测部分14用于燃烧装置,该燃烧装置设置有用于燃烧的燃烧部分 燃料,并且检测泄漏的燃料气体或不完全燃烧气体中的至少一种。 检测部14包括:气体敏感元件20,其中电阻响应于检测对象气体而变化; 用于在检测对象气体的灵敏度高于检测对象气体以外的气体的灵敏度的温度范围内对气敏元件20进行加热的加热器21; 以及具有控制对加热器21的导通的功能的信号处理电路24以及从气体敏感元件20的电特性值检测检测对象气体的功能。在燃烧停止时刻,信号处理电路24 对加热器21进行导电,并且在温度范围内间歇地提供加热气体敏感元件20的加热期间,气敏元件20根据气敏元件20的电阻进行检测对象气体的检测 加热状态。
    • 8. 发明专利
    • Gas detector
    • 气体检测器
    • JP2013200145A
    • 2013-10-03
    • JP2012067295
    • 2012-03-23
    • Fis Incエフアイエス株式会社Osaka Gas Co Ltd大阪瓦斯株式会社
    • MATSUMOTO SHINICHIKUROE YASUSHIKURIBAYASHI HARUMIMIYATO AKIRAONISHI HISAONAKAYAMA TOSHIRONONAKA ATSUSHINAKAJIMA TAKASHI
    • G01N27/12G01N27/04
    • PROBLEM TO BE SOLVED: To provide a gas detector in which the detection accuracy of a detection object gas is less likely to deteriorate even in a case where a gas sensor has large temperature dependency.SOLUTION: A storage unit 38 preliminarily stores a resistance value of a gas sensor 2 associated with humidity in standard atmosphere, as known data. A detection processing unit 35 includes a calculation section 351 for acquiring a correction value corresponding to humidity in atmosphere, and a correction section 352 for correcting a detection result of a detection object gas by using the correction value. When the temperature of the gas sensor 2 becomes a first setting temperature and the sensitivity of the gas sensor 2 with respect to the detection object gas becomes sufficiently low, the calculation section 351 calculates the correction value from the current resistance value of the gas sensor 2 and the known data in the storage unit 38. When the temperature of the gas sensor 2 becomes a second setting temperature and the sensitivity of the gas sensor 2 with respect to the detection object gas becomes sufficiently high, the correction section 352 corrects the resistance value of the gas sensor 2 by using the correction value acquired right before.
    • 要解决的问题:即使在气体传感器具有较大的温度依赖性的情况下,也能够提供检测对象气体的检测精度不太可能劣化的气体检测器。解决方案:存储部38预先存储检测对象气体的电阻值 与标准气氛中的湿度相关联的气体传感器2作为已知数据。 检测处理单元35包括用于获取与大气中的湿度相对应的校正值的计算部分351和用于通过使用校正值校正检测对象气体的检测结果的校正部分352。 当气体传感器2的温度变为第一设定温度并且气体传感器2相对于检测对象气体的灵敏度变得足够低时,计算部351根据气体传感器2的当前电阻值来计算校正值 以及存储单元38中的已知数据。当气体传感器2的温度变为第二设定温度并且气体传感器2相对于检测对象气体的灵敏度变得足够高时,校正部352校正电阻值 的气体传感器2。
    • 9. 发明专利
    • Gas sensor, and combustion equipment and gas alarm with the gas sensor
    • 气体传感器,燃气设备和气体传感器与气体传感器
    • JP2010256049A
    • 2010-11-11
    • JP2009103454
    • 2009-04-21
    • Fis IncOsaka Gas Co Ltdエフアイエス株式会社大阪瓦斯株式会社
    • MIYATO AKIRAONISHI HISAONAKAYAMA TOSHIRONONAKA ATSUSHIKUNIMATSU TOSHIHIROMATSUMOTO SHINICHIKONO HARUMIKUROE YASUSHI
    • G01N27/12
    • PROBLEM TO BE SOLVED: To provide a gas sensor which determines whether a gas detection part is in a siloxane poisoning condition by a siloxane compound, correctly detecting and alarming an existence of a detection object gas at a predetermined concentration, and early noticing a sensor failure by siloxane poisoning. SOLUTION: The gas sensor includes a control part which controls a gas detection part sensitive to the detection object gas to change an electric resistance value so that operation of a heating part is switched between a high temperature operation state and a low temperature operation state or only in a high temperature operation state and detects a combustible gas based on a first electric resistance value of the gas detection part in the high temperature operation state; and a determination part which determines a surface of the gas detection part to be the poisoning condition by siloxane compound when the temperature of the heated gas detection part is a temperature at which a siloxane compound in the atmosphere of the gas detection part may poison the gas detection part in the high temperature operation state and a low state of lowering the first electric resistance value detected by the control part continues until a predetermined period. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种气体传感器,其确定气体检测部分是否由硅氧烷化合物处于硅氧烷中毒状态,正确地检测并警告预定浓度的检测对象气体的存在,并且早期注意 硅氧烷中毒的传感器故障。 气体传感器包括控制部分,其控制对检测对象气体敏感的气体检测部分以改变电阻值,使得加热部分的操作在高温操作状态和低温操作之间切换 状态或仅在高温运转状态下,在高温运转状态下,基于气体检测部的第一电阻值检测可燃气体; 以及确定部,其在加热气体检测部的温度为气体检测部的气氛中的硅氧烷化合物可能使气体中毒的温度时,通过硅氧烷化合物将气体检测部的表面确定为中毒条件 检测部分处于高温运转状态,并且降低由控制部检测到的第一电阻值的低状态持续到规定期间。 版权所有(C)2011,JPO&INPIT
    • 10. 发明专利
    • Combustion device and gas detection device
    • 燃烧装置和气体检测装置
    • JP2010145045A
    • 2010-07-01
    • JP2008324162
    • 2008-12-19
    • Fis IncOsaka Gas Co Ltdエフアイエス株式会社大阪瓦斯株式会社
    • MIYATO AKIRAONISHI HISAONAKAYAMA TOSHIRONONAKA ATSUSHIKUNIMATSU TOSHIHIROMATSUMOTO SHINICHIKONO HARUMIKUROE YASUSHI
    • F23N5/24
    • PROBLEM TO BE SOLVED: To provide a combustion device, which is configured to prevent a non-detection object gas adhered to a gas detection means during no use from affecting detection of a detection object gas. SOLUTION: The combustion device 10 includes: a combustion means 3; a combustion start instruction receiving means 2 which receives a combustion start instruction to the combustion means 3; a detecting element which detects the detection object gas including combustible gas and unburned gas generated by imperfect combustion; a gas detection means 4 which is provided in a flow passage extending from the outside of a casing to the inside of the casing where the detecting element is provided, and has a filter part to which the non-detection object gas is adhered; a heating means 5 which can heat the gas detection means 4; and a control means C which can execute gas detection control for determining an existing state of the detection object gas based on a detection result of the detecting element, and heating operation control for causing the heating means 5 to perform heating operation only for a set period when the combustion of the combustion means 3 is started according to the combustion start instruction received by the combustion start instruction receiving means. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种燃烧装置,其被配置为防止在不使用期间粘附到气体检测装置的非检测对象气体影响检测对象气体的检测。 解决方案:燃烧装置10包括:燃烧装置3; 燃烧开始指令接收装置2,其向燃烧装置3接收燃烧开始指令; 检测元件,其检测包括可燃气体的检测对象气体和由不完全燃烧产生的未燃烧气体; 气体检测装置4,其设置在从壳体的外部延伸到设置有检测元件的壳体的内部的流路中,并且具有未被检测对象气体粘附的过滤部; 加热装置5,其能够加热气体检测装置4; 以及控制装置C,其能够根据检测元件的检测结果,执行用于确定检测对象气体的现有状态的气体检测控制;以及加热运转控制,使加热单元5仅在设定期间内进行加热运转 当燃烧装置3的燃烧根据燃烧开始指令接收装置接收的燃烧开始指令开始时。 版权所有(C)2010,JPO&INPIT