Nuctech Company Limited

Tsinghua University

Shixin Zhang

Hongqiu Wang

Yumin Yi

Rui Fan

Huacheng Feng

Li Ni Zhang

Ziran Zhao

Jianhong Zhang

Zhiqiang Chen

Yuanjing Li

Zhuo Chen

Lin Y Yang

Li Zhang

Bin Hu

Dong Lin

Xuming Ma

Yan You

Huan Xie

Qianyu Zhou

Yinglei Wang

Lichao Jiang

Yanshi Ning

Lin Yang

A terahertz security inspection robot is provided, including: a housing including a main housing and a head housing rotatably connected to the main housing; a terahertz wave imaging mechanism including a mirror assembly arranged in the head housing and a detector array arranged in the main housing; and a rotating mechanism configured to cause the head housing and the mirror assembly located in the head housing to rotate with respect to the main housing, so that the mirror assembly of the terahertz wave imaging mechanism is oriented in different directions to respectively perform terahertz scanning and imaging on objects to be inspected in different inspection regions in a security inspection scene.

Terahertz security inspection robot

A pretreatment device for food safety detection, including: a base; a vortex oscillator disposed on the base; and a container holding mechanism disposed on the base and configured to hold a container such that the container is positioned above the vortex oscillator, wherein the vortex oscillator is configured to cooperate with the container holding mechanism to treat materials contained in the container. The present disclosure further provides a pretreatment method for food safety detection. By means of the pretreatment device and the pretreatment method according to the present disclosure, it can perform pretreatment work of food safety detection efficiently and simply, and save labor costs.

Pretreatment device and pretreatment method for food safety detection

A Raman spectrum-based object inspection apparatus and a Raman spectrum-based object inspection method are disclosed. In one aspect, an example apparatus includes: a laser device configured to emit a laser; an optical guiding device configured to guide the laser to an object to be detected and collect a Raman scattering light from the object. The apparatus includes a spectrum generator configured to receive the Raman scattering light collected by the optical guiding device and generate a Raman spectroscopic signal. The spectrum analyzer is configured to analyze the Raman spectroscopic signal to obtain an inspection result. The apparatus includes a monitoring device configured to monitor a state of the object and control an object inspection operation depending on the state of the object.

Raman spectrum-based object inspection apparatus and method

The disclosed technology provides a laser security interlocking device and a corresponding method. In one aspect, an example laser security interlocking device includes a housing, a laser capable of emitting laser light in the housing and a laser light-emitting interlocking circuit, with the housing including a door capable of being opened or closed. When the door is closed, the housing can define an enclosed space within which the laser is positioned. The laser light-emitting interlocking circuit is configured to control the laser security interlocking device to automatically stop the laser emitting laser light before or while the door is opened.

Laser security interlocking device and corresponding method

Embodiments of the present invention provide a protective device including a sliding door and a housing, together forming a closed space, wherein, a guide rail is provided on the housing, and the sliding door is slidable along the guide rail to open or close the closed space. In addition, embodiments of the present invention also provide a laser Raman safety inspection apparatus including the abovementioned protective device.

Protective device and laser raman safety inspection apparatus comprising the same

Embodiments of the present disclosure provide a safety protection device for Raman spectroscopy detection and a Raman spectroscopy detection system including the safety protection device. The safety protection device includes: a detection cavity including a cavity body, the cavity body having an opening end through which a sample to be detected is allowed to be placed into the detection cavity; and a cover configured to cover and engage the opening end so as to form, together with the detection cavity, an explosion proof container defining a space for receiving the sample to be detected, the detection cavity further includes a detection opening formed in the cavity body such that a Raman detection probe is allowed to be inserted into the space through the detection opening so as to detect the sample.

Safety protection device and Raman spectroscopy detection system for Raman spectroscopy detection

An embodiment of the present invention provides an optical probe, comprising: a first sleeve in which a lens is contained, the first sleeve having a light transmission aperture from which an exciting light enters the first sleeve; a second sleeve movably engaged with the first sleeve and having a detection window from which the exciting light having passed through the first sleeve and focused by the lens exits the optical probe, the second sleeve being capable of moving with respect to the first sleeve from a first detection position to a second detection position or from the second detection position to the first detection position; and a positioning member configured to position the second sleeve at the first detection position or the second detection position with respect to the first sleeve.

Optical probe

Growing community of inventors

Beijing, China

Shixin Zhang