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    • 4. 发明授权
    • Trace detector and analytical method for trace detector
    • 痕量检测器和痕量探测器的分析方法
    • US08309918B2
    • 2012-11-13
    • US12747243
    • 2009-12-30
    • Hua PengJin LinWen HeYangtian ZhangYaoxin WangPeng JiaoHui LiZhongxia Zhang
    • Hua PengJin LinWen HeYangtian ZhangYaoxin WangPeng JiaoHui LiZhongxia Zhang
    • H01J49/04
    • G01N27/62G01N1/2202G01N1/40
    • A trace detector is disclosed. The trace detector comprises: a desorption chamber defining a desorption region, and the desorption chamber has a housing. The housing has a sample feeding port for introducing a substance to be detected into the desorption chamber and a gas discharge port for discharging gas entraining the sample from the desorption chamber. A controller is used for controlling the trace detector in such a manner that the sample feeding port and the gas discharge port are in fluid communication with the desorption chamber during pre-concentration process of the trace detector, thereby continuously feeding and collecting the sample. With the above manner, data collecting, processing and analyzing processes may be performed by the trace detector throughout the sample feeding process and the gas pre-concentrating process. The trace detector has an excellent detecting period of time whether the substance to be detected in the gas is in a high concentration state or a low concentration state, and the trace detector can perform continuous sampling for a long time, thereby improving a ratio of the amount of trapped substance to the amount of the substance entrained in the gas to be detected and the amount of the cumulated trapped substance, decreasing the probability of failing to detect the substance, and increasing detection sensitivity. In addition, the detection efficiency of the detector is increased during the gas pre-concentration process.
    • 公开了一种跟踪检测器。 痕量检测器包括:解吸室,其限定解吸区域,并且解吸室具有壳体。 壳体具有用于将待检测物质引入解吸室的样品供给口和用于排出从解吸室夹带样品的气体的气体排出口。 控制器用于控制跟踪检测器,使得样品供给口和排气口在迹线检测器的预浓缩过程期间与解吸室流体连通,从而连续地进料和收集样品。 通过上述方式,数据收集,处理和分析过程可以在整个采样过程和气体预浓缩过程中由迹线检测器执行。 痕量检测器在气体中被检测物质是处于高浓度状态还是低浓度状态下具有优异的检测时间段,并且痕量检测器可以长时间进行连续取样,从而提高 捕获的物质的量与被检测气体中夹带的物质的量和累积的捕获物质的量的量,降低检测不到物质的可能性,并提高检测灵敏度。 此外,在气体预浓缩过程中检测器的检测效率增加。
    • 5. 发明申请
    • Sampling component, sampling device and ion mobility Spectrometer
    • 采样部件,采样装置和离子迁移率光谱仪
    • US20110290041A1
    • 2011-12-01
    • US12737341
    • 2010-12-01
    • Yaoxin WangYangtian ZhangJin LinBin XueWen HeHua PengPeng Jiao
    • Yaoxin WangYangtian ZhangJin LinBin XueWen HeHua PengPeng Jiao
    • G01N1/22
    • G01N27/622G01N1/4022
    • The present invention discloses a sampling component comprising a sampling body that can be electrically heated and the outer surface of which has a wiping sampling area; and an insulated handle that is connected with one longitudinal end of the sampling body. The sampling component according to the present invention contacts directly the contacts of an external power supply after being disposed in a analysis chamber, the power supply is turned on to heat the sampling body so as to realize sample pyrolysis, and the power is turned off immediately after the sampling component is taken away. Thus, the power supply of the sampler can work discontinuously so that the power consumption of the system is reduced, meanwhile, the system malfunction caused by a long-term work of the sampling device under a high temperature can be avoided. The present invention further discloses a sampling device having said sampling component and an ion mobility spectrometer having the sampling device.
    • 本发明公开了一种采样部件,包括:采样体,其能够被电加热,其外表面具有擦拭采样区域; 以及与采样体的一个纵向端连接的绝缘手柄。 根据本发明的采样部件在分配室内配置时,直接与外部电源的触头接触,接通电源以对取样体进行加热,以实现样品热解,并立即关闭电源 采样成分被取走后。 因此,采样器的电源可以不连续地工作,从而可以减少系统的功耗,同时可以避免高温采样装置的长期工作引起的系统故障。 本发明还公开了一种采样装置,其具有采样部件和具有采样装置的离子迁移谱仪。
    • 6. 发明申请
    • TRACE DETECTOR AND ANALYTICAL METHOD FOR TRACE DETECTOR
    • 跟踪检测器和跟踪检测器的分析方法
    • US20110139975A1
    • 2011-06-16
    • US12747243
    • 2009-12-30
    • Hua PengJin LinWen HeYangtian ZhangYaoxin WangPeng JiaoHui LiZhongxia Zhang
    • Hua PengJin LinWen HeYangtian ZhangYaoxin WangPeng JiaoHui LiZhongxia Zhang
    • H01J49/04B01D59/44
    • G01N27/62G01N1/2202G01N1/40
    • A trace detector is disclosed. The trace detector comprises: a desorption chamber defining a desorption region, and the desorption chamber has a housing. The housing has a sample feeding port for introducing a substance to be detected into the desorption chamber and a gas discharge port for discharging gas entraining the sample from the desorption chamber. A controller is used for controlling the trace detector in such a manner that the sample feeding port and the gas discharge port are in fluid communication with the desorption chamber during pre-concentration process of the trace detector, thereby continuously feeding and collecting the sample. With the above manner, data collecting, processing and analyzing processes may be performed by the trace detector throughout the sample feeding process and the gas pre-concentrating process. The trace detector has an excellent detecting period of time whether the substance to be detected in the gas is in a high concentration state or a low concentration state, and the trace detector can perform continuous sampling for a long time, thereby improving a ratio of the amount of trapped substance to the amount of the substance entrained in the gas to be detected and the amount of the cumulated trapped substance, decreasing the probability of failing to detect the substance, and increasing detection sensitivity. In addition, the detection efficiency of the detector is increased during the gas pre-concentration process.
    • 公开了一种跟踪检测器。 痕量检测器包括:解吸室,其限定解吸区域,并且解吸室具有壳体。 壳体具有用于将待检测物质引入解吸室的样品供给口和用于排出从解吸室夹带样品的气体的气体排出口。 控制器用于控制跟踪检测器,使得样品供给口和排气口在迹线检测器的预浓缩过程期间与解吸室流体连通,从而连续地进料和收集样品。 通过上述方式,数据收集,处理和分析过程可以在整个采样过程和气体预浓缩过程中由迹线检测器执行。 痕量检测器在气体中被检测物质是处于高浓度状态还是低浓度状态下具有优异的检测时间段,并且痕量检测器可以长时间进行连续取样,从而提高 捕获的物质的量与被检测气体中夹带的物质的量和累积的捕获物质的量的量,降低检测不到物质的可能性,并提高检测灵敏度。 此外,在气体预浓缩过程中检测器的检测效率增加。
    • 7. 发明授权
    • Electromagnetic vibration exciter system with adjustable electro-viscoelastic suspension device
    • 具有可调电粘弹性悬挂装置的电磁振动激励系统
    • US09099943B2
    • 2015-08-04
    • US13821945
    • 2012-05-03
    • Wen HeChunyu WangRunjie ShenShushi JiaMei YuMingde Ma
    • Wen HeChunyu WangRunjie ShenShushi JiaMei YuMingde Ma
    • G01M7/02H02P6/16H02P6/00
    • H02P6/001G01M7/022H02P6/16H02P6/34
    • The electromagnetic vibration exciter system with an adjustable electro-viscoelastic suspension device comprises an electromagnetic vibration exciter, a power amplifier and an adjustable electro-viscoelastic suspension device, which acts as the suspension device of the electromagnetic vibration exciter. The adjustable electro-viscoelastic suspension device contains a displacement sensor detecting the displacement of the moving component, a first adjustable amplifier and a second adjustable amplifier, a differentiator, an adjustable phase shifter, an adder and a proportioner. The linearity of the stiffness and damping of the exciter system is excellent, which can be adjusted as need through the adjustment of gain of the adjustable amplifier, the proportioner, the adjustable phase shifter. This invention has adjustable and linear parameters and it is also easy to be realized.
    • 具有可调电粘弹性悬挂装置的电磁振动激励器系统包括电磁振动激励器,功率放大器和可调节的电粘弹性悬挂装置,其作为电磁振动激励器的悬挂装置。 可调电粘弹性悬挂装置包括检测运动部件的位移的位移传感器,第一可调放大器和第二可调放大器,微分器,可调移相器,加法器和比例器。 励磁系统的刚度和阻尼的线性度很好,可以通过调节可调放大器,配比器,可调移相器的增益调节来调整。 本发明具有可调和线性参数,也易于实现。
    • 8. 发明授权
    • Vibration exciter system with a feedback control unit based on an optical linear encoder
    • 具有基于光学线性编码器的反馈控制单元的振动激励器系统
    • US09097603B2
    • 2015-08-04
    • US13821835
    • 2012-05-03
    • Wen HeChunyu WangRunjie ShenShushi JiaMei YuMingde Ma
    • Wen HeChunyu WangRunjie ShenShushi JiaMei YuMingde Ma
    • G01M7/02H02P25/02
    • G01M7/022H02P25/032
    • The vibration exciter system with a feedback control unit based on an optical linear encoder includes a vibration exciter, a signal generator and a power amplifier. The exciter system further comprises an optical linear encoder converting the displacement of moving component of the exciter into A/B pulse with a phase difference of 90° , a filtering, shaping and level translator unit converting the A/B pulse into standard pulse with standard shape and level, a subdivider and orientation recognizer unit refining standard pulse and recognizing the moving orientation, an analog converter unit converting refined standard pulse into analogue signal that reflects the displacement of the moving component. The standard signal outputted by the signal generator and the converted analogue signal are inputted into a subtracter as the minuend and subtrahend respectively. The output of the subtracter is inputted into the power amplifier and then into the vibration exciter as a driving signal.
    • 具有基于光学线性编码器的反馈控制单元的振动激励器系统包括振动激励器,信号发生器和功率放大器。 激励器系统还包括光学线性编码器,将激励器的移动部件的位移转换为相位差为90°的A / B脉冲,滤波,整形和电平转换器单元将A / B脉冲转换成标准脉冲 形状和水平,分频器和方向识别器单元精炼标准脉冲并识别移动方向,模拟转换器单元将精细标准脉冲转换为反映移动部件的位移的模拟信号。 由信号发生器输出的标准信号和转换的模拟信号分别输入减法器和减法器。 减法器的输出作为驱动信号输入功率放大器,然后输入到振动激励器中。
    • 9. 发明申请
    • INFRASOUND GENERATING DEVICE BASED ON A DISPLACEMENT-FEEDBACK TYPE VIBRATION EXCITER
    • 基于位移反馈类型振动EXCITER的信号发生装置
    • US20140140179A1
    • 2014-05-22
    • US14130892
    • 2012-08-16
    • Wen HeLongbiao HeChunyu WangYuanlai ZhouShushi Jia
    • Wen HeLongbiao HeChunyu WangYuanlai ZhouShushi Jia
    • B06B1/10
    • B06B1/10B06B1/0246B06B1/045B06B2201/40G01H3/005
    • The infrasound generating device based on a displacement-feedback type vibration exciter comprises a displacement-feedback type vibration exciter system, an infrasound generating chamber (3) and a laser vibrometer (1); the displacement feedback mechanism is adopted in the vibration exciter (2). The piston (31) is driven by the vibration exciter to move in a sinusoidal manner in the cavity (35) of the airtight infrasound generating chamber (3) and the standard infrasonic pressure signal with low harmonic distortion can be achieved. The displacement of the moving part (22) of the vibration exciter (2) can be measured by the laser vibrometer (1) through the measurement beam (15) injecting into the vibration exciter (2) through the optical channel running through the vibration exciter and the standard infrasonic pressure can also be obtained. The value of the standard sound pressure produced by the infrasound generating chamber is calculated. Such value is used as the calibration reference for the infrasound sensors (4) to be calibrated in order to achieve the primary calibration of the infrasound sensors. The standard infrasonic sensor can be installed inside the infrasound generating chamber (3) and the output of the standard infrasonic sensor can be used as the reference for the infrasonic sensor (4) to be calibrated in order to achieve the secondary calibration of the infrasound sensors. This invention has the advantages of technical maturity, high feasibility, easy to realize, high calibration accuracy and so on.
    • 基于位移反馈型振动激励器的次声发生装置包括位移反馈型振动激励器系统,次声发生室(3)和激光振动计(1); 振动激励器采用位移反馈机构(2)。 活塞(31)由振动激励器驱动,以正弦方式在气密次声发生室(3)的空腔(35)中移动,并且可以实现具有低谐波失真的标准次声波压力信号。 振动激励器(2)的移动部件(22)的位移可以通过激光振动计(1)通过穿过振动激励器的光学通道射入振动激励器(2)的测量光束(15)来测量 并且还可以获得标准的次声波压力。 计算由次声发生室产生的标准声压的值。 这样的值被用作待校准的次声传感器(4)的校准参考,以便实现次声传感器的主要校准。 标准的次声传感器可以安装在次声发生室(3)的内部,标准的次声传感器的输出可以作为参考,以便进行校准,以实现次声传感器(2)的二次校准 。 本发明具有技术成熟,可行性高,易于实现,校准精度高等优点。
    • 10. 发明申请
    • PRECISION TILTING PLATFORM DEVICE USED FOR STATIC CALIBRATION OF SEISMOMETERS
    • 用于静态校准地震仪的精密倾斜平台装置
    • US20140033955A1
    • 2014-02-06
    • US14112442
    • 2012-05-03
    • Wen HeGuanhua XuShushi Jia
    • Wen HeGuanhua XuShushi Jia
    • G01V13/00A47B37/00
    • G01V13/00A47B37/00
    • A precision tilting platform used for static calibration of seismometers is composed of a base, a worktable, a rotary part, a driving part, a measuring part and supporting frames. The rotary part is composed of a shaft, a driving arm, a rotary table and a clump weight. The shaft is fixed on the left and right supporting frames. The driving part and clump weight are assembled beside the two sides of the driving arm. The driving part is composed of a linear motor, a sliding table, a pair of linear guides and sliders and a grating scale. The readhead of the grating scale is fixed with the base and sends out the signal of zero position when the worktable is horizontal. The sliding table is closely contacted to the driving arm. When the linear motor is moving forward, the rotary part is pushed by the sliding table and rotates toward the positive direction. When the linear motor is moving backward, the sliding table is pulled backward and the rotary part rotates toward the negative direction because of the gravity of the clump weight. The measuring part is composed of a laser interferometer and a reflector that reflects the laser beam back to the laser interferometer to obtain the tilting angle of the worktable, on which the reflector is mounted. The present invention has the advantage of high positioning accuracy, high transmission efficiency and wide application.
    • 用于地震仪静态校准的精密倾斜平台由基座,工作台,旋转部件,驱动部件,测量部件和支撑架组成。 旋转部分由轴,驱动臂,旋转台和重量组成。 轴固定在左右支撑框架上。 驱动部件和组块重量组装在驱动臂的两侧。 驱动部分由线性电动机,滑动台,一对直线导轨和滑块以及光栅尺组成。 光栅尺的读数头与基座固定,当工作台水平时,发出零位信号。 滑动台与驱动臂紧密接触。 当线性马达向前移动时,旋转部分被滑动台推动并向正方向旋转。 当线性电动机向后移动时,由于重量的重力,滑动台被向后拉,旋转部分朝向负方向旋转。 测量部分由激光干涉仪和将激光束反射回激光干涉仪的反射器组成,以获得反射器安装在其上的工作台的倾斜角度。 本发明具有定位精度高,传输效率高,应用广泛的优点。