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公开(公告)号：US09997266B2
公开(公告)日：2018-06-12
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：US20190339205A1
公开(公告)日：2019-11-07
申请号：US16473495
申请日：2017-11-17
发明人： Wei Gou , Hongqiu Wang , Huacheng Feng
IPC分类号： G01N21/65
摘要： The disclosure provides a method for removing background from a spectrogram, including: finding out peak information of a raw spectrogram, the peak information including a peak position, a starting point, an ending point, and a peak width w of a peak; processing, within each peak area defined by the starting point and the ending point of each peak of the raw spectrogram, each peak of the raw spectrogram by using a SNIP method so as to obtain background data within each peak area; replacing, within each peak area, data of the raw spectrogram with the background data obtained through processing by using the SNIP method, so as to form a background spectrogram in a fitting way; smoothing the formed background spectrogram; and subtracting the smoothed background spectrogram from the raw spectrogram so as to obtain a spectrogram with removed background.
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公开(公告)号：US09746404B2
公开(公告)日：2017-08-29
申请号：US14576660
申请日：2014-12-19
发明人： Hongqiu Wang , Yumin Yi , Huacheng Feng , Rui Fan
CPC分类号： G01N5/00 , G01G17/04 , G01J3/44 , G01N21/3577 , G01N21/65
摘要： A method and apparatus for inspection of liquids are disclosed. The method includes inspecting a liquid with a technique selected according to whether the package of the liquid is transparent, semi-transparent or opaque. If the package is transparent or semi-transparent, a Raman spectra technique is used; if the package is opaque, a technique using an electronic scale and a barcode reader is used. In some embodiments, the Raman spectra technique and the technique using barcode reader and electronic scale can be used independently for inspection of the liquid. The inspection apparatus according to the present disclosure has advantages, such as capability of material identification, rapid examination speed, small volume, light weight, portability, low cost, freedom from radiation, and simple maintenance. The method and apparatus according to the present disclosure are suitable for safety inspection in public places having a large number, and fast flow, of people.
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4.发明申请公开(公告)号：US20180180551A1
公开(公告)日：2018-06-28
申请号：US15853074
申请日：2017-12-22
发明人： Jianhong Zhang , Ankai Wang , Hongqiu Wang , Rui Fan , Huacheng Feng
IPC分类号： G01N21/65 , G01J5/00 , G01N21/01 , G05B19/4065 , G01J3/44
CPC分类号： G01N21/65 , G01J3/44 , G01J3/4412 , G01J5/0003 , G01N21/01 , G01N2201/06113 , G01N2201/063 , G02B27/141 , G05B19/4065 , G05B2219/49353
摘要： A Raman spectrum inspection apparatus and a security monitoring method for a Raman spectrum inspection apparatus are provided. The Raman spectrum inspection apparatus includes: a laser device configured to emit an exciting light; an optical device configured to guide the exciting light to an object to be detected and collect a light signal from the object; a spectrometer configured to split the collected light signal to generate a Raman spectrum of the object; and a security detector configured to detect an infrared light emitted from the object.
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公开(公告)号：US20150185130A1
公开(公告)日：2015-07-02
申请号：US14576660
申请日：2014-12-19
发明人： Hongqiu Wang , Yumin Yi , Huacheng Feng , Rui Fan
CPC分类号： G01N5/00 , G01G17/04 , G01J3/44 , G01N21/3577 , G01N21/65
摘要： A method and apparatus for inspection of liquids are disclosed. The method includes inspecting a liquid with a technique selected according to whether the package of the liquid is transparent, semi-transparent or opaque. If the package is transparent or semi-transparent, a Raman spectra technique is used; if the package is opaque, a technique using an electronic scale and a barcode reader is used. In some embodiments, the Raman spectra technique and the technique using barcode reader and electronic scale can be used independently for inspection of the liquid. The inspection apparatus according to the present disclosure has advantages, such as capability of material identification, rapid examination speed, small volume, light weight, portability, low cost, freedom from radiation, and simple maintenance. The method and apparatus according to the present disclosure are suitable for safety inspection in public places having a large number, and fast flow, of people.
摘要翻译： 公开了用于液体检查的方法和装置。 该方法包括使用根据液体的包装是透明的，半透明的还是不透明的方法选择的技术检查液体。 如果包装是透明或半透明的，则使用拉曼光谱技术; 如果包装是不透明的，则使用使用电子秤和条形码读取器的技术。 在一些实施例中，可以独立地使用拉曼光谱技术和使用条形码读取器和电子秤的技术来检查液体。 根据本公开的检查装置具有材料识别的能力，检查速度快，体积小，重量轻，便携性，低成本，免受辐射和简单维护的优点。 根据本公开的方法和装置适用于具有大量和快速流动的公众场所的安全检查。
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公开(公告)号：US10260949B2
公开(公告)日：2019-04-16
申请号：US15827209
申请日：2017-11-30
发明人： Huacheng Feng , Yumin Yi , Hongqiu Wang , Rui Fan , Shixin Zhang
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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公开(公告)号：US20160018557A1
公开(公告)日：2016-01-21
申请号：US14804087
申请日：2015-07-20
发明人： Yumin Yi , Li Zhang , Hongqiu Wang , Huacheng Feng , Jianhong Zhang
IPC分类号： G01V5/00 , G01N23/087 , G01N23/04 , G01N21/65
CPC分类号： G01V5/0033 , G01N21/65 , G01N23/046 , G01N23/087 , G01N2021/651 , G01N2201/0612 , G01V5/0008
摘要： Methods and devices for inspecting liquid are disclosed. According to the method, it is firstly determined whether the package of the liquid is transparent, semi-transparent, or opaque; in a case that the package of the liquid is transparent or semi-transparent, Raman spectrum analysis is implemented by a Raman spectrum module on the inspected liquid to judge whether the inspected liquid is dangerous or is suspected; and in a case that the package of the inspected liquid is opaque, the inspected liquid are inspected by using an X-ray dual-energy scanning technology to judge whether the inspected liquid is dangerous or is suspected. The above solution has advantages that the inspection speed is high, the material can be recognized, it is suitable for various packing materials with various shapes, the accuracy of the inspection result is high or the like. Therefore, the solution is suitable for security inspection in public places with high security inspection requirements, complicated inspected liquids, high personnel flow rate or the like.
摘要翻译： 公开了用于检查液体的方法和装置。 根据该方法，首先确定液体的包装是透明的，半透明的还是不透明的; 在液体的包装是透明或半透明的情况下，拉曼光谱分析由检查液体上的拉曼光谱模块进行，以判断被检液体是否是危险的或被怀疑的; 并且在被检查液体的包装不透明的情况下，通过使用X射线双能扫描技术来检查被检查液体，以判断被检查液体是否是危险的或被怀疑的。 上述解决方案具有检测速度高，材料可以识别的优点，适用于各种形状的各种包装材料，检验结果准确度高等优点。 因此，该解决方案适用于公安场所的安全检查，具有较高的安全检查要求，复杂的检查液体，高人流量等。
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公开(公告)号：US11493447B2
公开(公告)日：2022-11-08
申请号：US16473495
申请日：2017-11-17
发明人： Wei Gou , Hongqiu Wang , Huacheng Feng
摘要： The disclosure provides a method for removing background from a spectrogram, including: finding out peak information of a raw spectrogram, the peak information including a peak position, a starting point, an ending point, and a peak width w of a peak; processing, within each peak area defined by the starting point and the ending point of each peak of the raw spectrogram, each peak of the raw spectrogram by using a SNIP method so as to obtain background data within each peak area; replacing, within each peak area, data of the raw spectrogram with the background data obtained through processing by using the SNIP method, so as to form a background spectrogram in a fitting way; smoothing the formed background spectrogram; and subtracting the smoothed background spectrogram from the raw spectrogram so as to obtain a spectrogram with removed background.
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公开(公告)号：US10218140B2
公开(公告)日：2019-02-26
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： F16P3/08 , H01S3/00 , H01S3/10 , G05B19/05 , G08B13/183
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：US09442212B2
公开(公告)日：2016-09-13
申请号：US14804087
申请日：2015-07-20
发明人： Yumin Yi , Li Zhang , Hongqiu Wang , Huacheng Feng , Jianhong Zhang
IPC分类号： G01J3/44 , G01N11/00 , G01N33/00 , G01N31/00 , G01N21/90 , G01J5/00 , G01J5/02 , G06K9/00 , G01V5/00 , G01N21/65 , G01N23/04 , G01N23/087
CPC分类号： G01V5/0033 , G01N21/65 , G01N23/046 , G01N23/087 , G01N2021/651 , G01N2201/0612 , G01V5/0008
摘要： Methods and devices for inspecting liquid are disclosed. According to the method, it is firstly determined whether the package of the liquid is transparent, semi-transparent, or opaque; in a case that the package of the liquid is transparent or semi-transparent, Raman spectrum analysis is implemented by a Raman spectrum module on the inspected liquid to judge whether the inspected liquid is dangerous or is suspected; and in a case that the package of the inspected liquid is opaque, the inspected liquid are inspected by using an X-ray dual-energy scanning technology to judge whether the inspected liquid is dangerous or is suspected. The above solution has advantages that the inspection speed is high, the material can be recognized, it is suitable for various packing materials with various shapes, the accuracy of the inspection result is high or the like. Therefore, the solution is suitable for security inspection in public places with high security inspection requirements, complicated inspected liquids, high personnel flow rate or the like.
摘要翻译： 公开了用于检查液体的方法和装置。 根据该方法，首先确定液体的包装是透明的，半透明的还是不透明的; 在液体的包装是透明或半透明的情况下，拉曼光谱分析由检查液体上的拉曼光谱模块进行，以判断被检液体是否是危险的或被怀疑的; 并且在被检查液体的包装不透明的情况下，通过使用X射线双能扫描技术来检查被检查液体，以判断被检查液体是否是危险的或被怀疑的。 上述解决方案具有检测速度高，材料可以识别的优点，适用于各种形状的各种包装材料，检验结果准确度高等优点。 因此，该解决方案适用于公安场所的安全检查，具有较高的安全检查要求，复杂的检查液体，高人流量等。
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