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    • 57. 发明授权
    • CT method and apparatus for liquid safety-detection with a radiation source
    • 用辐射源进行液体安全检测的CT方法和装置
    • US07508908B2
    • 2009-03-24
    • US11286559
    • 2005-11-23
    • Haifeng HuYuanjing LiKejun KangZhiqiang ChenYinong LiuYulan LiLi ZhangWanlong WuZiran ZhaoXilei LuoBin Sang
    • Haifeng HuYuanjing LiKejun KangZhiqiang ChenYinong LiuYulan LiLi ZhangWanlong WuZiran ZhaoXilei LuoBin Sang
    • G01N23/06
    • G01N9/24G01N2001/022
    • A CT method and an apparatus for liquid safety-detection with a radiation source relate to a radiation imaging detecting technology field. The invention comprises using a radiation source, a detector and data collector, a computer data processor; and the main steps are: 1) a liquid article to be detected being placed onto a rotary platform which is rotatable; 2) the ray emitted from the radiation source passing through the liquid article, and being received and formed into projection data by the detector and data collector; and 3) the projection data being transmitted to the computer data processor, which processes it to obtain the liquid density of the detected article, compares the result with the densities of dangerous articles in a current database, and then visually displays the detected information of the detected liquid article. Comparing to the prior art, the invention has a small volume, a strong anti-interference, a high accuracy of detection, an easy shielding, and a high use safety and reliability.
    • 用于具有辐射源的液体安全检测的CT方法和装置涉及放射线成像检测技术领域。 本发明包括使用辐射源,检测器和数据采集器,计算机数据处理器; 主要步骤是:1)被检测的液体物品放置在可旋转的旋转平台上; 2)从辐射源发出的射线通过液体物品,被检测器和数据采集器接收并形成投影数据; 和3)将投影数据传送到计算机数据处理器,处理它以获得检测到的物品的液体密度,将结果与当前数据库中的危险物品的密度进行比较,然后可视地显示检测到的物品的检测信息 检测液体物品。 与现有技术相比,本发明体积小,抗干扰强,检测精度高,屏蔽方便,安全可靠。
    • 60. 发明申请
    • Collimator for adjusting X-ray beam
    • 用于调整X射线束的准直仪
    • US20070064877A1
    • 2007-03-22
    • US11525692
    • 2006-09-22
    • Yinong LiuZhiqiang ChenYuanjing LiWanlong WuYulan LiXilei LuoLi ZhangZiran ZhaoBin SangHailin Wang
    • Yinong LiuZhiqiang ChenYuanjing LiWanlong WuYulan LiXilei LuoLi ZhangZiran ZhaoBin SangHailin Wang
    • G21K1/04
    • G21K1/04
    • Disclosed is a collimator for adjusting X-ray beam, comprising: an up-and-down adjustment mechanism (11); a left-and-right adjustment mechanism (21); a supporting member (15); and an adjusting plate (17) connected with the supporting member (15), wherein: said up-and-down adjustment mechanism (11) comprises a first rotating nut (13), an up-and-down moving leading screw (12) threadedly connected with said first rotating nut (13), and upper and lower sliding stops (18) located in said supporting member (15), wherein ends of said leading screw (12) are connected with said upper and lower sliding stops (18) to drive said upper and lower sliding stops (18), respectively, to vertically move; and said left-and-right adjustment mechanism (21) comprises a second rotating nut (23), a horizontally moving leading screw (22) connected with said second rotating nut (23), and left and right sliding stops (25) located in said supporting member (15), wherein inner ends of said horizontally moving leading screw (22) are connected with said left and right sliding stops (25) to drive said left and right sliding stops (25), respectively, to horizontally move. With the above arrangement, symmetrical adjustments along an up-and-down direction and along a left-and-right direction can be obtained. With rotation of the rotating nuts, respective leading screws move linearly rather than rotate, so that X-ray beams with different field angles can be obtained.
    • 公开了一种用于调整X射线束的准直器,包括:上下调节机构(11); 左右调节机构(21); 支撑构件(15); 以及与所述支撑构件(15)连接的调节板(17),其中:所述上下调节机构(11)包括第一旋转螺母(13),上下移动的导螺杆(12) 与所述第一旋转螺母(13)螺纹连接,以及位于所述支撑构件(15)中的上部和下部滑动止动件(18),其中所述引导螺钉(12)的端部与所述上部和下部滑动止动件(18)连接, 以驱动所述上滑动止动件(18)分别垂直移动; 并且所述左右调节机构(21)包括第二旋转螺母(23),与所述第二旋转螺母(23)连接的水平移动的导螺杆(22),以及位于 所述支撑构件(15),其中所述水平移动的前导螺钉(22)的内端与所述左右滑动止动件(25)连接以分别驱动所述左滑动止动件(25)和所述左滑动止动件(25)水平移动。 利用上述结构,可以获得沿着上下方向和沿左右方向的对称调节。 随着旋转螺母的旋转,相应的前导螺钉线性移动而不是旋转,从而可以获得具有不同场角的X射线束。