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    Sampling device and gas curtain guide
    54.
    发明授权
    Sampling device and gas curtain guide 有权

    公开(公告)号：US10151671B2

    公开(公告)日：2018-12-11

    申请号：US15238598

    申请日：2016-08-16

    Applicant: Nuctech Company Limited

    Inventor： Qingjun Zhang ,  Yuanjing Li ,  Zhiqiang Chen ,  Huishao He ,  Qiufeng Ma ,  Ziran Zhao ,  Yinong Liu ,  Yaohong Liu ,  Weiping Zhu ,  Xiang Zou ,  Jianping Chang

    IPC: G01N1/24 ,  G01N30/30 ,  G01N1/22

    Abstract: A sampling device and a gas curtain guide are disclosed. In one aspect, the sampling device includes a chamber body. The chamber body includes a sample inlet, located at a first end of the chamber body, configured for suction of a sample. The chamber body further includes a sample outlet, located adjacent to a second end opposite to the first end of the chamber body, configured to discharge the sample. The chamber body further includes a gas inflation inlet, in a wall of the chamber body, configured to introduce a swirl gas flow into the chamber body. The chamber body further includes a gas exhaust opening configured to discharge gas so as to, together with the gas inflation inlet, generate a tornado type gas flow in the chamber body, which moves spirally from the first end to the second end of the chamber body.

    Circuits for generating sweep frequency signal
    57.
    发明授权
    Circuits for generating sweep frequency signal 有权
    用于产生扫频信号的电路

    公开(公告)号：US09577651B2

    公开(公告)日：2017-02-21

    申请号：US14294625

    申请日：2014-06-03

    Applicant: NUCTECH COMPANY LIMITED

    Inventor： Ziran Zhao ,  Wenguo Liu ,  Zhiqiang Chen ,  Yuanjing Li ,  Wanlong Wu ,  Yinong Liu ,  Bin Sang ,  Lei Zheng

    IPC: H03B19/00 ,  H03L7/24 ,  H03B23/00 ,  H03L7/22

    CPC classification number: H03L7/24 ,  H03B23/00 ,  H03L7/22

    Abstract: A circuit to generate a sweep frequency signal that includes a reference frequency source to generate a reference frequency signal, a first frequency combination circuit coupled to the reference frequency source, and operative to generate a sweep frequency signal in a first frequency band based on the reference frequency signal, a second frequency combination circuit coupled to the reference frequency source, and operative to generate a sweep frequency signal in a second frequency band different from the first frequency band based on the reference frequency signal, a multiple-level switch coupled to outputs of the first frequency combination circuit and the second frequency combination circuit, and a control circuit controlling the first and second frequency combination circuits and the multiple-level switch to output the sweep frequency signal in the first frequency band and the sweep frequency signal in the second frequency band at an output of the multiple-level switch alternately.

    Abstract translation: 一种用于产生包括参考频率源以产生参考频率信号的扫频频率信号的电路，耦合到参考频率源的第一频率组合电路，并用于基于参考频率信号产生第一频带中的扫频信号 频率信号，耦合到所述参考频率源的第二频率组合电路，并且可操作以基于所述参考频率信号在与所述第一频带不同的第二频带中产生扫频频率信号;多电平开关， 第一频率组合电路和第二频率组合电路，以及控制电路，控制第一和第二频率组合电路和多电平开关，以输出第一频带中的扫频信号和第二频率中的扫频频率信号 交替地在多级交换机的输出端发送频带。

    GAS ANALYZING APPARATUS AND SAMPLING DEVICE
    58.
    发明申请
    GAS ANALYZING APPARATUS AND SAMPLING DEVICE 有权
    气体分析装置和采样装置

    公开(公告)号：US20160341695A1

    公开(公告)日：2016-11-24

    申请号：US15115217

    申请日：2015-12-24

    Applicant: NUCTECH COMPANY LIMITED

    Inventor： Qingjun Zhang ,  Yuanjing Li ,  Zhiqiang Chen ,  Ziran Zhao ,  Yinong Liu ,  Yaohong Liu ,  Qiufeng Ma ,  Huishao He ,  Weiping Zhu ,  Xiang Zou ,  Jianping Chang ,  Song Liang

    IPC: G01N27/62 ,  G01N30/30 ,  G01N30/46 ,  G01N27/64

    CPC classification number: G01N27/622 ,  G01N27/64 ,  G01N30/30 ,  G01N30/46 ,  G01N30/466 ,  G01N2030/3038

    Abstract: The present invention discloses a gas analyzing apparatus and a sampling device. The gas analyzing apparatus includes a sampling device and an ion mobility spectrum analysis device. The sampling device includes a multi-capillary column and a temperature control system. The ion mobility spectrum analysis device is adapted for analyzing a gas leaded-in by the sampling device and includes a reaction cavity for reaction between sample molecules and reaction ions, the cavity having a sampling opening for leading-in of the gas. An outlet end of the multi-capillary column is inserted directly into the cavity of the ion mobility spectrum analysis device through the sampling opening of the ion mobility spectrum analysis device.

    Abstract translation: 本发明公开了一种气体分析装置和取样装置。 气体分析装置包括取样装置和离子迁移谱分析装置。 采样装置包括多毛细管柱和温度控制系统。 离子迁移谱分析装置适用于分析由采样装置引入的气体，并且包括用于在样品分子和反应离子之间反应的反应腔，空腔具有用于导入气体的取样开口。 多毛细管柱的出口端通过离子迁移谱分析装置的采样口直接插入到离子迁移谱分析装置的空腔中。

    Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage medium
    59.
    发明授权
    Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage medium 有权
    电晕放电组件，离子迁移光谱仪，计算机程序和计算机可读存储介质

    公开(公告)号：US09337626B2

    公开(公告)日：2016-05-10

    申请号：US14577211

    申请日：2014-12-19

    Applicant: Nuctech Company Limited

    Inventor： Qingjun Zhang ,  Yuanjing Li ,  Zhiqiang Chen ,  Yanchun Wang ,  Ziran Zhao ,  Yinong Liu ,  Yaohong Liu ,  Xiang Zou ,  Qiufeng Ma ,  Junxiao Wang ,  Xianghua Li ,  Jianping Chang

    IPC: H01J19/04 ,  H01T19/00 ,  G01N27/62 ,  H01J49/16

    CPC classification number: H01T19/00 ,  G01N27/622 ,  H01J49/168

    Abstract: The present invention discloses a corona discharge assembly, an ion mobility spectrometer, an computer program and an computer readable storage medium. The corona discharge assembly includes: an ionization discharge chamber, wherein the ionization discharge chamber includes a metal corona cylinder, and the metal corona cylinder is provided with an inlet of a gas to be analyzed and a trumpet-shaped front port which is conductive to forming a gathered electric field; multiple corona pins, in which on-off of a high voltage can be independently controlled, are installed at the center of the metal corona cylinder in an insulating manner. The present invention further discloses an ion mobility spectrometer using the above-mentioned corona discharge assembly. The present invention can be used to prolong the service life of the integral corona discharge assembly; the discharge voltage of the ion source can be reduced and the discharge stability thereof can be improved; in comparison with the suspended installation of a pin-shaped electrode, since the multiple corona pins are fixed on the PCB, during installation, the position of the electrode can be accurate and stable, thus mass manufacture is easier to achieve.

    Abstract translation: 本发明公开了电晕放电组件，离子迁移谱仪，计算机程序和计算机可读存储介质。 电晕放电组件包括：电离放电室，其中电离放电室包括金属电晕圆筒，并且金属电晕圆筒设置有要分析的气体的入口和导电以形成的喇叭形前端口 聚集的电场; 可以独立控制高电压开关的多个电晕针以绝缘方式安装在金属电晕圆筒的中心。 本发明还公开了使用上述电晕放电组件的离子迁移谱仪。 本发明可用于延长整个电晕放电组件的使用寿命; 可以降低离子源的放电电压，提高其放电稳定性; 与销状电极的悬挂安装相比，由于多个电晕针固定在PCB上，所以在安装过程中，电极的位置可以准确稳定，从而更容易实现批量制造。

    Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage medium
    60.
    发明授权
    Corona discharge assembly, ion mobility spectrometer, computer program and computer readable storage medium 有权
    电晕放电组件，离子迁移光谱仪，计算机程序和计算机可读存储介质

    公开(公告)号：US09231383B2

    公开(公告)日：2016-01-05

    申请号：US14578326

    申请日：2014-12-19

    Applicant: NUCTECH COMPANY LIMITED

    Inventor： Qingjun Zhang ,  Yuanjing Li ,  Zhiqiang Chen ,  Yanchun Wang ,  Ziran Zhao ,  Yinong Liu ,  Yaohong Liu ,  Xiang Zou ,  Qiufeng Ma ,  Junxiao Wang ,  Jianping Chang

    IPC: H01J49/00 ,  H01T19/00 ,  H01J49/16 ,  G01N27/62

    CPC classification number: H01T19/00 ,  G01N27/622 ,  H01J49/168

    Abstract: The present invention discloses a corona discharge assembly, including: an ionization discharge chamber, wherein the ionization discharge chamber includes a metal corona cylinder, and the metal corona cylinder is provided with an inlet of a gas to be analyzed and an annular piece-shaped port which forms a non-uniform electric field with corona pins and is provided with a circular hole at the middle; a rotating shaft is installed on the cylinder wall of the metal corona cylinder in an insulating manner, the rotating shaft is vertical to the axial line of the metal corona cylinder, and a turntable provided with multiple corona pins at the outer edge is installed at the end part of the rotating shaft the axial line of the metal corona cylinder passes in parallel through the rotation plane of the turntable. The present invention further discloses an ion mobility spectrometer using the above-mentioned corona discharge assembly.

    Abstract translation: 本发明公开了一种电晕放电组件，包括：离子化放电室，其中电离放电室包括金属电晕圆筒，金属电晕圆筒设有待分析气体的入口和环形片状端口 其形成具有电晕针的不均匀电场，并在中间设置有圆形孔; 旋转轴以绝缘方式安装在金属电晕圆筒的气缸壁上，旋转轴垂直于金属电晕圆筒的轴线，并且在外边缘处设置有多个电晕针的转盘安装在 旋转轴的端部，金属电晕圆筒的轴线平行通过转台的旋转平面。 本发明还公开了使用上述电晕放电组件的离子迁移谱仪。

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