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    • 11. 发明专利
    • Apparatus and method for detection of gas
    • 用于检测气体的装置和方法
    • JP2003279520A
    • 2003-10-02
    • JP2002083074
    • 2002-03-25
    • Fuji Electric Co LtdOsaka Gas Co Ltd大阪瓦斯株式会社富士電機株式会社
    • TABATA SOICHIHIGAKI KATSUMISASAKI HIROICHIONISHI HISAOOCHIWA SHINICHISUZUKI TAKUYA
    • G01N27/12
    • PROBLEM TO BE SOLVED: To provide a gas detection technique by which a volatile organic compound at a low concentration such as several ppm up to several ppb existing in the air is detected with high sensitivity and simply, while a filmlike oxide whose electrical resistance value is changed by depending on the existence of a detection object gas on a diaphragmlike support substrate is used, and while a sensor element with a formed exciting heating body used to heat the filmlike oxide is used.
      SOLUTION: The volatile organic compound is detected by using the electrical resistance value of the filmlike oxide within a prescribed elapsed time range, in which a detection sensitivity of the filmlike oxide with reference to the volatile organic compound is obtained significantly after an exciting drive to the exciting heating body has been started.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种气体检测技术,通过该气体检测技术,以高灵敏度和简单地检测在空气中存在的几ppm至几ppb的低浓度的挥发性有机化合物,同时具有电 使用隔膜支撑基板上的检测对象气体的存在来改变电阻值,并且使用具有用于加热膜状氧化物的形成的激励加热体的传感器元件。 解决方案:通过在规定的经过时间范围内使用膜状氧化物的电阻值来检测挥发性有机化合物,其中在激发之后显着地获得关于挥发性有机化合物的膜状氧化物的检测灵敏度 开车到激动人心的加热体已经开始了。 版权所有(C)2004,JPO
    • 12. 发明专利
    • ガス検知装置及びガス検知方法
    • 气体检测器和气体检测方法
    • JP2015045546A
    • 2015-03-12
    • JP2013176219
    • 2013-08-28
    • 富士電機株式会社Fuji Electric Co Ltd大阪瓦斯株式会社Osaka Gas Co Ltd
    • OKAMURA MAKOTOSUZUKI TAKUYAKOBAYASHI MAKOTONAKAJIMA TAKASHINONAKA ATSUSHIONISHI HISAO
    • G01N27/12
    • 【課題】温度や湿度による影響を排除し、より高精度な検知を実現するガス検知装置、および、ガス検知方法を提供する。【解決手段】ヒータ層駆動部22を駆動してヒータ層がガス感知層を加熱して検出可能状態とし、ガス検知部23からの出力に基づいてガス濃度を検知し、ヒータ層抵抗検知部24からのヒータ層抵抗値を読み込んでガス感知層周囲の温度を検知し、ヒータ層抵抗検知部24からのヒータ層抵抗値を読み込んでヒータオン後のヒータ層抵抗値の昇温特性の変化に基づいてガス感知層周囲の湿度を算出し、算出した温度および湿度に基づいて補正値を算出し、ガス濃度に対して補正値を用いて補正し、補正されたガス濃度によりガスの有無を判定するガス検知装置またはガス検知方法とした。【選択図】図1
    • 要解决的问题:提供一种用于消除由于温度和湿度引起的影响的气体检测器和气体检测方法,并且以更高的精度实现检测。解决方案:提供一种气体检测器或气体检测方法,包括以下步骤: 加热器层驱动单元22,使得加热器层加热气体感测层以将其置于可检测状态,并且基于来自气体检测单元23的输出检测气体浓度; 从加热器层电阻检测单元24读取加热器层电阻值,并检测气体感测层周围的温度; 从加热器层电阻检测单元24读取加热器层电阻值,并基于加热器加电后的加热器层电阻值的升温特性的变化计算气体感测层周围的湿度; 基于所计算的温度和湿度计算校正值; 使用校正值校正气体浓度; 以及从校正的气体浓度确定气体的存在。
    • 13. 发明专利
    • Gas alarm and gas detection method
    • 气体报警和气体检测方法
    • JP2011149754A
    • 2011-08-04
    • JP2010009843
    • 2010-01-20
    • Fuji Electric Co LtdOsaka Gas Co Ltd大阪瓦斯株式会社富士電機株式会社
    • YOSHIDA TOSHITAKASUZUKI TAKUYANARITA MASATAKAOKAMURA MAKOTOONISHI HISAONAKAYAMA TOSHIRONONAKA ATSUSHINAKAJIMA TAKASHI
    • G01N27/12
    • PROBLEM TO BE SOLVED: To provide a gas alarm capable of selectively detecting methane, CO and hydrogen by low power consumption, and a gas detection method. SOLUTION: When the resistance value of a gas detection layer is measured by making current intermittently pass through the heater layer provided to a membrane gas sensor at a predetermined cycle to calculate the concentration of gas, during the heating by the passage of electric current due to a heater control means in clean air, the first reference resistance value of the gas detection layer when the gas detection layer reaches a first temperature, the second reference resistance value of the gas detection layer when the temperature of the gas detection layer further rises to reach second temperature and the third reference resistance value of the gas detection layer when the temperature of the gas detection layer further rises to arrive at an almost constant third temperature are respectively preliminarily held and first-third resistance values are compared with the first-third reference resistance values to judge the kind of the gas. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供能够通过低功耗选择性地检测甲烷,CO和氢气的气体报警器和气体检测方法。 解决方案:当通过使电流以预定的周期间歇地通过设置在膜式气体传感器上的加热器层来测量气体检测层的电阻值,以计算气体的浓度时,在加热期间通过电 气体检测层达到第一温度时气体检测层的第一参考电阻值,当气体检测层的温度进一步升高时气体检测层的第二参考电阻值 分别预先保持气体检测层的温度进一步上升到几乎恒定的第三温度时达到第二温度和气体检测层的第三参考电阻值,并且将第一 - 第三电阻值与第一温度进行比较, 第三个参考电阻值来判断气体的种类。 版权所有(C)2011,JPO&INPIT
    • 14. 发明专利
    • Power-saving carbon monoxide gas sensor
    • 省电一氧化碳气体传感器
    • JP2003279521A
    • 2003-10-02
    • JP2002085082
    • 2002-03-26
    • Fuji Electric Co LtdOsaka Gas Co Ltd大阪瓦斯株式会社富士電機株式会社
    • TABATA SOICHIHIGAKI KATSUMISASAKI HIROICHIONISHI HISAOOGINO SHINJISUZUKI TAKUYAMATSUBARA TAKESHIKUNIHARA KENJIKOBAYASHI MITSUONAGASE NORIYOSHI
    • G01N27/12
    • PROBLEM TO BE SOLVED: To provide a power-saving carbon monoxide gas sensor having only a remote possibility of detecting hydrogen as a carbon monoxide gas and capable of detecting a carbon monoxide gas with superior quantitative property.
      SOLUTION: The semiconductor-type carbon monoxide gas sensor is constituted in such a way as to set temperature of a membranous oxide at least at three temperatures (1)-(3) by controlling electric power of a heater for heating the membranous oxide, and to periodically change the temperature of the membranous oxide at the three temperature. The temperature (1) is an intermediate temperature for detecting a gas from the resistance value of the membranous oxide and is between 100°C-150°C. The temperature (2) is higher than the temperature (1) and is a high temperature for cleaning the surface of the sensor. The temperature (3) is lower than the temperature (1), is a low temperature for detecting whether a detected gas is a carbon monoxide gas or another gas from the resistance value of the membranous oxide, and is lower than 90°C.
      COPYRIGHT: (C)2004,JPO
    • 要解决的问题:提供一种节能一氧化碳气体传感器,其仅具有检测氢气作为一氧化碳气体的远程可能性并且能够检测具有优异定量性能的一氧化碳气体。 解决方案:半导体型一氧化碳气体传感器以通过控制用于加热膜的加热器的电力来设置至少三个温度(1) - (3)的膜氧化物的温度的方式构成 并且在三个温度周期性地改变膜氧化物的温度。 温度(1)是从膜状氧化物的电阻值检测气体的中间温度,为100℃-150℃。 温度(2)高于温度(1),是清洁传感器表面的高温。 温度(3)低于温度(1),是根据膜氧化物的电阻值检测检测气体是一氧化碳气体还是其他气体的低温,低于90℃。 版权所有(C)2004,JPO
    • 15. 发明专利
    • Gas sensor and gas detector
    • 气体传感器和气体探测器
    • JP2009282024A
    • 2009-12-03
    • JP2009105140
    • 2009-04-23
    • Fuji Electric Fa Components & Systems Co LtdOsaka Gas Co Ltd大阪瓦斯株式会社富士電機機器制御株式会社
    • ONISHI HISAONAKAYAMA TOSHIRONONAKA ATSUSHITABATA SOICHIHIGAKI KATSUMIYOKOO SUSUMUSUZUKI TAKUYAKUNIHARA KENJIOKAMURA MAKOTOMAEDA MASAHIKO
    • G01N27/12
    • PROBLEM TO BE SOLVED: To provide a gas sensor that prevents occurrence of peeling or crack of the interface between a gas sensing film and an electrically insulating layer, largely improves the long-term stability and reliability, and improves the heat responsiveness and soaking property of the gas sensing film, and a gas detector having this gas sensor. SOLUTION: This gas sensor includes, for example, the electrically insulating layer 8, a pair of sensing film electrodes 9 formed on the top surface of the electrically insulating layer 8, and the gas sensing film 10 made of oxide semiconductor whose resistance is measured by the sensing film electrodes 9. A dense section (dense film 10a, dense films 10a and 10b, or dense 10c) denser than the gas sensing film 10 is formed on the gas sensing film 10 side of the proximity of the interface between the electrically insulating layer 8 and sensing film electrodes 9 and the gas sensing film 10. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:提供一种气体传感器,其防止气敏元件和电绝缘层之间的界面的剥离或裂纹的发生,大大提高了长期的稳定性和可靠性,并提高了热响应性, 气体传感膜的均热性,以及具有该气体传感器的气体检测器。 解决方案:该气体传感器包括例如电绝缘层8,形成在电绝缘层8的顶表面上的一对感测膜电极9和由氧化物半导体制成的气体感测膜10,其电阻 由感测膜电极9测量。在比气体感测膜10更致密的致密部分(致密膜10a,致密膜10a和10b或致密10c)形成在气体感测膜10侧, 电绝缘层8和感测膜电极9和气体感测膜10。版权所有(C)2010,JPO&INPIT
    • 16. 发明专利
    • Remote control system and method
    • 遥控系统及方法
    • JP2009212706A
    • 2009-09-17
    • JP2008052369
    • 2008-03-03
    • Fuji Electric Fa Components & Systems Co LtdOsaka Gas Co Ltd大阪瓦斯株式会社富士電機機器制御株式会社
    • ONISHI HISAOYAMASHITA KOJINAGASE NORIYOSHIISHIKURA KENJISUZUKI TAKUYAMAEDA MASAHIKOOKAMURA MAKOTO
    • H04Q9/00G08B21/16G08B23/00G08B25/10H04M11/00
    • PROBLEM TO BE SOLVED: To provide a remote control system which can remotely control a device equipped with a short-distance wireless communication means for each device by using a portable terminal having a data communication function and a short-distance wireless communication function as a remote controller, and to provide a remote control method.
      SOLUTION: Control information for remotely controlling the device 1 provided with a short-distance wireless communication means 40 for each device 1 is associated with attribute information of the device 1 and stored in a control information storing means 2a provided in the server 2. The portable terminal 3 performs data communication with the server 2 and acquires the control information from the control information storing means 2a on the basis of the attribute information of the device 1 acquired by the portable terminal 3. The portable terminal 3 generates a remote control signal for remotely controlling the device 1 on the basis of the acquired control information. The portable terminal 3 transmits the remote control signal to the device 1 by short-distance wireless communication.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:提供一种远程控制系统,其可以通过使用具有数据通信功能和短距离无线通信功能的便携式终端来远程控制配备有每个设备的短距离无线通信装置的设备 作为遥控器,并提供远程控制方法。 解决方案:用于远程控制为每个设备1设置有短距离无线通信装置40的设备1的控制信息与设备1的属性信息相关联,并存储在服务器2中提供的控制信息存储装置2a中 便携式终端3与服务器2进行数据通信,根据便携式终端3获取的设备1的属性信息,从控制信息存储单元2a获取控制信息。便携终端3生成遥控 信号,用于基于获取的控制信息远程控制设备1。 便携式终端3通过短距离无线通信将遥控信号发送到设备1。 版权所有(C)2009,JPO&INPIT
    • 17. 发明专利
    • Alarm device
    • 报警装置
    • JP2009211301A
    • 2009-09-17
    • JP2008052368
    • 2008-03-03
    • Fuji Electric Fa Components & Systems Co LtdOsaka Gas Co Ltd大阪瓦斯株式会社富士電機機器制御株式会社
    • ONISHI HISAOYAMASHITA KOJIMAEDA MASAHIKOSUZUKI TAKUYAOKAMURA MAKOTONAGASE NORIYOSHIISHIKURA KENJI
    • G08B23/00G08B21/16
    • PROBLEM TO BE SOLVED: To provide technology for surely warning persons around an alarm device, and for suppressing power consumption as much as possible, in an alarm device for detecting an abnormal state, and for outputting an alarm.
      SOLUTION: This alarm device 100 is provided with: a power source 8 for supplying a driving power; a detection means 4 for detecting an abnormal state of a detection object; an alarm output means 5 for detecting the abnormal state, and for outputting an alarm; an output state switching means 6 for switching the output state of the alarm output means 5 between a standard power consumption state and a power consumption saving state whose power consumption is more reduced than that of the standard power consumption state; and a presence information detection means 7 for automatically detecting presence information indicating the presence of a person. The alarm output means 5 controls the operation of the output state switching means 6 based on the presence information detected by the presence information detection means 7.
      COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:在用于检测异常状态的报警装置中,并且用于输出报警,提供用于在报警装置周围可靠地警告人员并尽可能地抑制功率消耗的技术。 解决方案:该报警装置100设置有用于提供驱动力的电源8; 用于检测检测对象的异常状态的检测单元4; 用于检测异常状态并输出报警的报警输出装置5; 输出状态切换装置6,用于在标准功耗状态和功耗比标准功耗状态的功耗更多的功耗节省状态之间切换报警输出装置5的输出状态; 以及存在信息检测装置7,用于自动检测表示人的存在的存在信息。 报警输出装置5基于由存在信息检测装置7检测到的存在信息来控制输出状态切换装置6的操作。(C)版权所有(C)2009,JPO&INPIT
    • 18. 发明专利
    • Gas detecting device and method
    • 气体检测装置和方法
    • JP2007271636A
    • 2007-10-18
    • JP2007160362
    • 2007-06-18
    • Fuji Electric Holdings Co LtdOsaka Gas Co Ltd大阪瓦斯株式会社富士電機ホールディングス株式会社
    • TABATA SOICHIHIGAKI KATSUMISASAKI HIROICHIONISHI HISAOOCHIWA SHINICHISUZUKI TAKUYA
    • G01N27/12
    • PROBLEM TO BE SOLVED: To provide gas detecting technique capable of easily detecting the presence of a volatile organic compound of a low concentration of from several ppm to several ppb, at high sensitivity. SOLUTION: A gas detecting device comprises a sensor element having a heater layer for heating a gas detecting layer, which is formed by making an SnO 2 film as the gas sensing layer, on the surface of the gas sensing layer on the support substrate of a diaphragm structure in which a thin film-like support film is supported by a supporting member, and then by making a selective combustion layer on the surface of the gas sensing layer; an energizing and driving means for energizing and driving the heater layer so that the temperature of the gas sensing layer changes from the low-temperature state to the high-temperature state; and a sensing section for detecting the presence of the volatile organic compound from the electric resistance value when the temperature of the gas sensing layer changes to the high-temperature state, in which, after starting energizing and driving, the volatile organic compound is detected by using the electric resistance value in the range of a predetermined elapsed time, in which the detection sensitivity of the gas sensing layer to the volatile organic compound is meaningfully obtained to air. COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供能够以高灵敏度容易地检测几ppm至几ppb的低浓度的挥发性有机化合物的存在的气体检测技术。 解决方案:气体检测装置包括传感器元件,该传感器元件具有用于加热气体检测层的加热器层,该加热器层是通过使SnO 2 膜作为气体感测层而形成的, 隔膜结构的支撑基板上的气体感测层,其中薄膜状支撑膜由支撑构件支撑,然后通过在气体感测层的表面上形成选择性燃烧层; 用于激励和驱动加热器层的激励和驱动装置,使得气体感测层的温度从低温状态变为高温状态; 以及感测部,用于当气体感测层的温度变为高温状态时,根据电阻值检测挥发性有机化合物的存在,其中在启动通电和驱动之后,挥发性有机化合物通过 使用气体感测层对挥发性有机化合物的检测灵敏度在空气中的预定经过时间的范围内的电阻值。 版权所有(C)2008,JPO&INPIT