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    • 4. 发明授权
    • Optical probe
    • 光探头
    • US4713552A
    • 1987-12-15
    • US694388
    • 1984-12-24
    • Jean DenisJean-Michel Decaudin
    • Jean DenisJean-Michel Decaudin
    • G01F23/292G01N21/49
    • G01F23/2924G01F23/2922Y10S250/903
    • The invention relates to an optical probe comprising an optical means (5) having a given refractive index. This optical means is able to reflect an incident light beam if it is located in a medium (3), whose refractive index is higher than the given index and is able to reflect the incident light beam if it is in a medium (2), whose index is below the given index. The optical refraction or reflection means (5) is a cone of revolution, the axis (X) thereof being parallel to the incident beam (6) and to the optionally reflected beam (11), the base (12) of said cone receiving the incident light beam and is perpendicular to said incident light beam and to the possibly refracted beam. The cone and at least part of the optical fibres transmitting the incident and reflected light beams are located in a tight box or case. Application to the detection of interfaces of different media and to the determination of the components of a two-phase medium.
    • PCT No.PCT / FR84 / 00106 Sec。 371日期1984年12月24日第 102(e)1984年12月24日PCT PCT 1984年4月16日PCT公布。 出版物WO84 / 04384 日期:1984年11月8日。本发明涉及一种包括具有给定折射率的光学装置(5)的光学探针。 如果该光学装置位于介质(3)中,则该光学装置能够反射入射光束,该介质(3)的折射率高于给定的折射率,并且如果入射光束处于介质(2)中则能够反射入射光束, 其指数低于给定指数。 光学折射或反射装置(5)是旋转圆锥,其轴线(X)平行于入射光束(6)和任选地反射的光束(11),所述锥体的基部(12)接收 入射光束并且垂直于所述入射光束和可能的折射光束。 锥体和透射入射和反射光束的光纤的至少一部分位于紧密的盒子或壳体中。 应用于检测不同介质的界面和确定两相介质的组分。
    • 5. 发明授权
    • Device for observing the tube plate of a steam generator
    • 用于观察蒸汽发生器管板的装置
    • US4660924A
    • 1987-04-28
    • US606253
    • 1984-05-02
    • Jean DenisPoirier Pierre
    • Jean DenisPoirier Pierre
    • F22B37/00G02B23/24G02B6/12
    • F22B37/002G02B23/2476
    • The device is suitable for use in inspecting the tubular plate of a steam generator, for instance of a PWR, comprising parallel banks of tubes contained in an enclosure having at least one access hole situated opposite an interval between two adjacent ones of said banks, the device comprises an elongated hollow member having a cross section whose transversal size is less than the interval for insertion into the enclosure through the access hole. A light guide and an endoscope are located inside and along said hollow member, with the endoscope being under the light guide; first and second light deflection mirrors are associated with the guide and endoscope for scanning purpose. A fixed lighting source illuminates the zone in which the light beam from the first deflection mirror is cut by the second deflection mirror.
    • 该装置适用于检查蒸汽发生器(例如PWR)的管状板,其包括容纳在具有至少一个与两个相邻的所述堤之间的间隔相对的至少一个进入孔的外壳中的并列的管, 装置包括细长的中空构件,其横截面的横截面小于通过进入孔插入外壳的间隔。 导光体和内窥镜位于所述中空构件的内部和内部,内窥镜位于光导下方; 第一和第二光偏转镜与用于扫描目的的引导件和内窥镜相关联。 固定照明源照亮来自第一偏转镜的光束被第二偏转镜切割的区域。