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1.发明申请RAMAN SPECTROSCOPY METHOD OF MEASURING MELAMINE CONTENTS IN DAIRY PRODUCTS HAVING DIFFERENT MATRIXES 有权拉曼光谱法测定具有不同基质的奶制品中的麦芽糖含量公开(公告)号：US20140320855A1
公开(公告)日：2014-10-30
申请号：US14145454
申请日：2013-12-31
发明人： Zhiqiang CHEN , Li ZHANG , Jianhong ZHANG , Hongqiu WANG , Ziran ZHAO , Jianping GU , Zhiming WANG , Qingping HUANG , Yumin YI
IPC分类号： G01N21/65
CPC分类号： G01N21/65
摘要： A raman spectroscopy method of measuring melamine contents in dairy products having different matrixes. The method includes: (a) establishing a database of characteristic curves of dairy products having different matrixes; (b) taking several copies of the dairy products having one certain unknown matrix and adding melamine standard solutions having different concentrations therein, to obtain a series of dairy product samples in which the relative concentrations of the melamine are known; (c) performing raman spectrum testing analysis and obtaining corresponding characteristic peak intensities to obtain a slope of the characteristic curve showing variation of the characteristic peak intensities with the relative concentrations of the melamine; (d) searching the database of step (a) using the slope of the characteristic curve of the dairy product samples to find a matching characteristic curve, and (e) calculating concentration of melamine in the dairy products by using the matched characteristic curve and the characteristic peak intensity.
摘要翻译： 测量具有不同基质的乳制品中三聚氰胺含量的拉曼光谱法。 该方法包括：（a）建立具有不同矩阵的乳制品特征曲线数据库; （b）取几份具有一定未知基质的乳制品，并加入其中浓度不同的三聚氰胺标准溶液，以获得其中已知三聚氰胺的相对浓度的一系列乳制品样品; （c）进行拉曼光谱测试分析并获得相应的特征峰强度，以获得特征曲线的斜率，显示特征峰强度与三聚氰胺的相对浓度的变化; （d）使用奶制品样本的特征曲线的斜率来搜索步骤（a）的数据库，以找到匹配的特征曲线，以及（e）通过使用匹配的特征曲线计算乳制品中三聚氰胺的浓度， 特征峰强度。
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公开(公告)号：US20150185155A1
公开(公告)日：2015-07-02
申请号：US14576752
申请日：2014-12-19
发明人： Ziran ZHAO , Li ZHANG , Yingying GENG , Hongqiu WANG , Yumin YI
IPC分类号： G01N21/65
CPC分类号： G01N21/65 , G01J3/28 , G01J3/44 , G01J3/4412 , G01N21/87 , G01N2201/06113 , G01N2201/12
摘要： Embodiments of the present invention provide gem identification method and apparatus. The method comprises the steps: (a) placing a sample to be detected over a light transmission hole formed on a carrying surface of an object table and emitting, by an optical probe disposed below the carrying surface, an exciting light onto the sample through the light transmission hole and then collecting a Raman scattered light from the sample by the optical probe; (b) acquiring a Raman spectrogram of the sample from the collected Raman scattered light from the sample; and (c) comparing the Raman spectrogram with a reference Raman spectrogram library for gems to identify the sample. The method and apparatus may achieve effective, convenient and accurate inspections of the gems.
摘要翻译： 本发明的实施例提供了宝石识别方法和装置。 该方法包括以下步骤：（a）将待检测的样品放置在形成在物体台的承载表面上的光透射孔上，并通过设置在承载表面下方的光学探针将激发光发射到样品上 透光孔，然后通过光学探针从样品中收集拉曼散射光; （b）从收集的来自样品的拉曼散射光中获取样品的拉曼光谱图; 和（c）将拉曼光谱图与用于宝石的参考拉曼光谱图库进行比较以鉴定样品。 该方法和设备可以实现宝石的有效，方便和准确的检查。
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3.发明申请公开(公告)号：US20170184503A1
公开(公告)日：2017-06-29
申请号：US15271297
申请日：2016-09-21
发明人： Yanshi NING , Li ZHANG , Hongqiu WANG , Yumin YI , Shixin ZHANG
IPC分类号： G01N21/65
CPC分类号： G01N21/65 , G01N33/0057 , G01N2021/651 , G01N2201/022 , G01N2201/0236
摘要： 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.
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公开(公告)号：US20150185154A1
公开(公告)日：2015-07-02
申请号：US14576699
申请日：2014-12-19
发明人： Zhiqiang CHEN , Ziran ZHAO , Jianhong ZHANG , Hongqiu WANG , Yumin YI
IPC分类号： G01N21/65
CPC分类号： G01N21/65 , G01J3/28 , G01J3/44 , G01J3/4412 , G01N2201/06113 , G01N2201/12
摘要： An embodiment of the present invention provides a Raman spectroscopic detection method for detecting a sample in a vessel, comprising the steps of: (a) measuring a Raman spectrum of the vessel to obtain a first Raman spectroscopic signal; (b) measuring a Raman spectrum of the sample through the vessel to obtain a second Raman spectroscopic signal; (c) removing an interference caused by the Raman spectrum of the vessel from the second Raman spectroscopic signal on basis of the first Raman spectroscopic signal to obtain a third Raman spectroscopic signal of the sample itself; and (d) identifying the sample on basis of the third Raman spectroscopic signal. By means of the above method, the Raman spectrum of the sample in the vessel may be detected correctly so as to identify the sample to be detected efficiently.
摘要翻译： 本发明的一个实施方案提供一种用于检测容器中的样品的拉曼光谱检测方法，包括以下步骤：（a）测量容器的拉曼光谱以获得第一拉曼光谱信号; （b）通过容器测量样品的拉曼光谱，以获得第二拉曼光谱信号; （c）基于所述第一拉曼光谱信号从所述第二拉曼光谱信号中除去由所述容器的拉曼光谱引起的干扰，以获得所述样品本身的第三拉曼光谱信号; 和（d）基于第三拉曼光谱信号鉴定样品。 通过上述方法，可以正确地检测容器中的样品的拉曼光谱，以便有效地鉴定要检测的样品。
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公开(公告)号：US20150185076A1
公开(公告)日：2015-07-02
申请号：US14577748
申请日：2014-12-19
发明人： Ziran ZHAO , Jianhong ZHANG , Hongqiu WANG , Weiwei WANG , Zhiming WANG , Yumin YI
CPC分类号： G01J3/0297 , G01J3/28 , G01J3/44 , G01J2003/4424 , G01N21/65 , G01N2201/06113 , G01N2201/12
摘要： Embodiments of the present invention provide a Raman spectroscopic inspection method, comprising the steps of: measuring a Raman spectrum of an object to be inspected successively to collect a plurality of Raman spectroscopic signals; superposing the plurality of Raman spectroscopic signals to form a superposition signal; filtering out a florescence interfering signal from the superposition signal; and identifying the object to be inspected on basis of the superposition signal from which the florescence interfering signal has been filtered out. By means of the above method, a desired Raman spectroscopic signal may be acquired by removing the interference caused by a florescence signal from a Raman spectroscopic inspection signal of the object. It may inspect correctly the characteristics of the Raman spectrum of the object so as to identify the object effectively.
摘要翻译： 本发明的实施例提供一种拉曼光谱检查方法，包括以下步骤：连续测量待检测物体的拉曼光谱，以收集多个拉曼光谱信号; 叠加多个拉曼光谱信号以形成叠加信号; 从叠加信号滤除荧光干扰信号; 并且根据已经滤除了荧光干扰信号的重叠信号来识别待检查的对象。 通过上述方法，可以通过从对象的拉曼光谱检查信号中去除由荧光信号引起的干扰来获得所需的拉曼光谱信号。 它可以正确地检查物体的拉曼光谱的特征，以有效地识别物体。
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公开(公告)号：US20190391080A1
公开(公告)日：2019-12-26
申请号：US16467037
申请日：2017-11-07
发明人： Ankai WANG , Hongqiu WANG , Yumin YI , Haihui LIU , Jianhong ZHANG
IPC分类号： G01N21/65
摘要： The present disclosure relates to a non-contact type security inspection and method, the system including: a laser source for emitting probe light beams which penetrate through a container or a packaging and are irradiated onto an inspected object contained in the container or the packaging; an optical collection device for collecting an exciting light excited by the probe light beams on the inspected object; a spectrum analyzer for analyzing spectral characteristics of the exciting light collected by the optical collection device so as to determine characteristics of the inspected object; and a shielding apparatus for preventing at least part of the exciting light excited by the probe light beams on the container or the packaging from entering an induction
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公开(公告)号：US20170186506A1
公开(公告)日：2017-06-29
申请号：US15273881
申请日：2016-09-23
发明人： Li ZHANG , Shixin ZHANG , Lin YANG , Hongqiu WANG , Yumin YI , Huacheng FENG , Jianhong ZHANG
CPC分类号： G21F5/12 , F16P3/08 , G01J3/0291 , G01J3/44 , G01N21/35 , G01N21/65 , G01N2201/0225
摘要： 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.
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公开(公告)号：US20180183201A1
公开(公告)日：2018-06-28
申请号：US15835308
申请日：2017-12-07
发明人： Huacheng FENG , Yumin YI , Hongqiu WANG , Rui FAN , Shixin ZHANG
IPC分类号： H01S3/00 , G05B19/05 , G08B13/183
CPC分类号： H01S3/0014 , F16P3/08 , G05B19/058 , G08B13/183 , H01S3/0007 , H01S3/10038
摘要： 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.
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公开(公告)号：US20180180761A1
公开(公告)日：2018-06-28
申请号：US15826530
申请日：2017-11-29
发明人： Jianhong ZHANG , Nei YANG , Hongqiu WANG , Yumin YI , Hu TANG , Guohua WEI
CPC分类号： G01V5/0033 , G01N21/65 , G01N23/046 , G01N2223/1006 , G01N2223/419 , G01T1/1603 , G01V5/005
摘要： A security inspection apparatus and a security inspection method are disclosed. In one aspect, an example apparatus includes a CT inspection device and a Raman spectrum inspection device, the CT inspection device includes: a CT scanner scanning an object to be inspected to generate a CT image, an image recognizing device recognizing the CT image to check whether or not the object has a suspected hazardous article, and an object marking device making a predetermined marker on the object which has the suspected hazardous article. The Raman spectrum inspection device includes: a Raman spectrum measuring device extracting a Raman spectrum of the suspected hazardous article in the object, a Raman spectrum comparing device comparing the Raman spectrum of the suspected hazardous article with Raman spectra of known compositions to determine a composition of the suspected hazardous article, and an object marker recognizing device recognizing the predetermined marker on the object.
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公开(公告)号：US20180180482A1
公开(公告)日：2018-06-28
申请号：US15827209
申请日：2017-11-30
发明人： Huacheng FENG , Yumin YI , Hongqiu WANG , Rui FAN , Shixin ZHANG
CPC分类号： G01J3/4412 , G01J3/44 , G01J5/0003 , G01N21/65 , G01N21/95 , G06T7/0002 , G08B21/02
摘要： 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.
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