Method for determining a nicotine content in a gas mixture

    公开(公告)号:US11592413B2

    公开(公告)日:2023-02-28

    申请号:US17373044

    申请日:2021-07-12

    申请人: Robert Bosch GmbH

    IPC分类号: G01N27/12 G01N33/00

    摘要: A method for determining a nicotine content in a gas mixture. The method includes exposing a metal oxide-based sensor to the gas mixture, applying a temperature profile over time to the metal oxide so that the temperature of the metal oxide, proceeding from a predetermined first temperature level, is brought to a predetermined second temperature level under controlled first transition conditions, and the temperature is brought from the second temperature level to a third predetermined temperature level under controlled second transition conditions, ascertaining a transient specific electrical resistance of the metal oxide at at least one certain point in time during the application with the temperature profile, and determining the nicotine content based on the ascertained resistance. A processing unit and a computer program product for carrying out the method are also described.

    METHOD FOR DETERMINING A NICOTINE CONTENT IN A GAS MIXTURE

    公开(公告)号:US20220018795A1

    公开(公告)日:2022-01-20

    申请号:US17373044

    申请日:2021-07-12

    申请人: Robert Bosch GmbH

    IPC分类号: G01N27/12 G01N33/00

    摘要: A method for determining a nicotine content in a gas mixture. The method includes exposing a metal oxide-based sensor to the gas mixture, applying a temperature profile over time to the metal oxide so that the temperature of the metal oxide, proceeding from a predetermined first temperature level, is brought to a predetermined second temperature level under controlled first transition conditions, and the temperature is brought from the second temperature level to a third predetermined temperature level under controlled second transition conditions, ascertaining a transient specific electrical resistance of the metal oxide at at least one certain point in time during the application with the temperature profile, and determining the nicotine content based on the ascertained resistance. A processing unit and a computer program product for carrying out the method are also described.

    Microelectrochemical sensor and method for operating a microelectrochemical sensor
    3.
    发明授权
    Microelectrochemical sensor and method for operating a microelectrochemical sensor 有权
    微电化学传感器和操作微电化学传感器的方法

    公开(公告)号:US09513250B2

    公开(公告)日:2016-12-06

    申请号:US14217550

    申请日:2014-03-18

    申请人: Robert Bosch GmbH

    摘要: A microelectrochemical sensor includes a carrier material composed of a semiconductor substrate, and includes a chemosensitive sensor element. The chemosensitive sensor element is positioned in a first partial region of the carrier material. A heating element is positioned in a region of the chemosensitive sensor element and is configured to regulate a temperature of the chemosensitive sensor element. A microelectronic unit is positioned in a second partial region of the carrier material, and is connected to the chemosensitive sensor element and the heating element via conductor tracks integrated into the carrier material. The microelectronic unit is configured to operate the heating element and the sensor element.

    摘要翻译: 微电化学传感器包括由半导体衬底构成的载体材料,并且包括化学感应传感器元件。 化学感应传感器元件位于载体材料的第一部分区域中。 加热元件位于化学感应传感器元件的区域中,并且被配置为调节化学感应传感器元件的温度。 微电子单元定位在载体材料的第二部分区域中,并且通过集成到载体材料中的导体轨迹连接到化学感应传感器元件和加热元件。 微电子单元被配置为操作加热元件和传感器元件。

    DETERMINING A GAS CONCENTRATION
    4.
    发明申请

    公开(公告)号:US20200319160A1

    公开(公告)日:2020-10-08

    申请号:US16300702

    申请日:2017-05-12

    申请人: Robert Bosch GmbH

    摘要: A device for determining the concentration of a predefined gas in a medium includes a first sensor for determining the gas concentration in a flow of the medium; a second sensor for determining a physical parameter of the medium in the flow of the medium; and a processing device, which is set up to determine the quality of the determination using the first sensor on the basis of a signal from the second sensor.

    METHOD FOR ANALYZING A GAS
    5.
    发明申请
    METHOD FOR ANALYZING A GAS 审中-公开
    分析气体的方法

    公开(公告)号:US20140305812A1

    公开(公告)日:2014-10-16

    申请号:US14252976

    申请日:2014-04-15

    申请人: Robert Bosch GmbH

    IPC分类号: G01N27/333

    CPC分类号: G01N27/333 G01N27/4071

    摘要: A method for analyzing a gas includes measuring a concentration of a chemical species of the gas in a measuring space of a gas sensor. The gas sensor has a semiconductor substrate with an electrical circuit and a first thin-film ion conductor that separates a reference space for a reference gas from the measuring space for the gas. The first thin-film ion conductor has a reference electrode that faces the reference space and a measuring electrode that faces the measuring space. The reference electrode and the measuring electrode are connected to the electrical circuit. The measuring of the chemical species includes picking off an electrical voltage between the reference electrode and the measuring electrode of the gas sensor. A partial pressure of the chemical species in the gas is determined by processing the electrical voltage in the electrical circuit by using a stored processing specification.

    摘要翻译: 用于分析气体的方法包括测量气体传感器的测量空间中气体的化学物质的浓度。 气体传感器具有带有电路的半导体衬底和将参考气体的参考空间与用于气体的测量空间分开的第一薄膜离子导体。 第一薄膜离子导体具有面向参考空间的参考电极和面向测量空间的测量电极。 参考电极和测量电极连接到电路。 化学物质的测量包括拾取参考电极和气体传感器的测量电极之间的电压。 通过使用存储的处理规范处理电路中的电压来确定气体中化学物质的分压。

    Sensor Device for Sensing a Gas, Method for Operating a Sensor Device for Sensing a Gas and Production Method for a Sensor Device for Sensing a Gas
    6.
    发明申请
    Sensor Device for Sensing a Gas, Method for Operating a Sensor Device for Sensing a Gas and Production Method for a Sensor Device for Sensing a Gas 有权
    用于感测气体的传感器装置,用于操作用于感测气体的传感器装置的方法和用于感测气体的传感器装置的制造方法

    公开(公告)号:US20140283581A1

    公开(公告)日:2014-09-25

    申请号:US14217561

    申请日:2014-03-18

    申请人: Robert Bosch GmbH

    IPC分类号: G01N27/407

    CPC分类号: G01N27/407

    摘要: A sensor device for sensing a gas includes a sensing region, and a readout region that is electrically and mechanically connected to the sensing region by way of a connecting web. The readout region, the sensing region, and the connecting web are formed from a substrate, and are isolated from the substrate by a clearance cutout. The sensing region has an ion-conducting region configured to provide a measuring signal dependent on the gas. The readout region (is configured to read out the measuring signal.

    摘要翻译: 用于感测气体的传感器装置包括感测区域和通过连接腹板电传和机械地连接到感测区域的读出区域。 读出区域,感测区域和连接幅材由基板形成,并且通过间隙切口与基板隔离。 感测区域具有被配置为提供取决于气体的测量信号的离子传导区域。 读出区域(被配置为读出测量信号。

    Microelectrochemical Sensor and Method for Operating a Microelectrochemical Sensor
    7.
    发明申请
    Microelectrochemical Sensor and Method for Operating a Microelectrochemical Sensor 有权
    微电化学传感器和操作微电化学传感器的方法

    公开(公告)号:US20140262834A1

    公开(公告)日:2014-09-18

    申请号:US14217550

    申请日:2014-03-18

    申请人: Robert Bosch GmbH

    IPC分类号: G01N27/406 G01N27/409

    摘要: A microelectrochemical sensor includes a carrier material composed of a semiconductor substrate, and includes a chemosensitive sensor element. The chemosensitive sensor element is positioned in a first partial region of the carrier material. A heating element is positioned in a region of the chemosensitive sensor element and is configured to regulate a temperature of the chemosensitive sensor element. A microelectronic unit is positioned in a second partial region of the carrier material, and is connected to the chemosensitive sensor element and the heating element via conductor tracks integrated into the carrier material. The microelectronic unit is configured to operate the heating element and the sensor element.

    摘要翻译: 微电化学传感器包括由半导体衬底构成的载体材料,并且包括化学感应传感器元件。 化学感应传感器元件位于载体材料的第一部分区域中。 加热元件位于化学感应传感器元件的区域中,并且被配置为调节化学感应传感器元件的温度。 微电子单元定位在载体材料的第二部分区域中,并且通过集成到载体材料中的导体轨迹连接到化学感应传感器元件和加热元件。 微电子单元被配置为操作加热元件和传感器元件。

    Methods for analyzing a gas mixture and gas sensor

    公开(公告)号:US12117411B2

    公开(公告)日:2024-10-15

    申请号:US17312270

    申请日:2019-12-06

    申请人: Robert Bosch GmbH

    IPC分类号: G01N27/12 G01N33/00

    CPC分类号: G01N27/124 G01N33/0044

    摘要: A method for analyzing a gas mixture, in which a layer which is configured for the adsorption and/or absorption of components of the gas mixture is exposed to the gas mixture. The method includes cooling the layer from a first to a second temperature and heating the layer from the second to a third temperature. While the layer has the first, second, and third temperature, at least one electrical resistance value of the layer is measured. A method is described in which a first and second layer are exposed to the gas mixture. The first layer is cooled from a first to a second temperature and the second layer is cooled from a third to a fourth temperature. While the first layer has the first and second temperature and the second layer has the third and fourth temperature, at least one electrical resistance value of the respective layer is measured.

    METHOD AND DEVICE FOR ANALYZING A GAS
    9.
    发明申请

    公开(公告)号:US20200209176A1

    公开(公告)日:2020-07-02

    申请号:US16643706

    申请日:2018-08-20

    申请人: Robert Bosch GmbH

    IPC分类号: G01N27/14 G01N27/12 G01N33/00

    摘要: A method for analyzing a gas, where a sensitive metal oxide-containing layer is exposed to the gas, includes: reducing the temperature of the sensitive layer from a first temperature to a second temperature, the temperature of the sensitive layer being maintained essentially at the second temperature for a predetermined time period; increasing the temperature of the sensitive layer to a third temperature; measuring at least one electrical resistance value of the sensitive layer while the sensitive layer exhibits essentially the third temperature; and analyzing components of the gas based on the measured at least one electrical resistance value.

    Gas sensor
    10.
    发明授权

    公开(公告)号:US09651512B2

    公开(公告)日:2017-05-16

    申请号:US14314803

    申请日:2014-06-25

    申请人: Robert Bosch GmbH

    CPC分类号: G01N27/12

    摘要: A device, a method, and a use thereof for detecting a concentration of a gas or of a gas component. The device as a gas sensor includes at least one sensor element including a gas-sensitive layer and a heating element for heating the gas-sensitive layer. The heating element is able to heat the sensitive layer to a desired temperature prior to the detection and/or is able to maintain it at a desired temperature during the detection. The heating element allows the gas-sensitive layer to be outgassed if needed, so as to allow absorption again. To heat the heating element, there is a first contacting to which a first voltage may be applied. Moreover, subsequent to the heating step, a second voltage may be applied to the sensor element or to the gas-sensitive layer for measured value detection with the aid of a second contacting. The two contactings at least partially have a shared actuation by being electrically connected to each other, the first contacting including a diode which essentially blocks current from flowing through the heating element when the second voltage, in particular the polarity of the second voltage, is applied.