| 摘要 |
<p>A sheath flow device and blood analyzer, the sheath flow device comprising: a reflective plane, a non-spherical reflective curved surface, and a cell flow hollow tube (11) disposed at the central position; the focus (9) of the non-spherical reflective curved surface is located at a position where cells remain; parallel light produced by an external light source (601) is reflected onto the first reflective side surface (2) of the reflective plane, is reflected onto the first reflective curved surface (3) of the non-spherical reflective curved surface by the first reflective side surface (2), and is then reflected by the first reflective curved surface (3) and focused on the focus (9) position; thereafter, the light proceeds to the second reflective curved surface (4) of the non-spherical reflective curved surface, is then reflected onto the second reflective side surface (6) of the reflective plane by the second reflective curved surface (4), and is finally reflected out by the second reflective side surface (6). The first reflective side surface (2) and the second reflective side surface (6), as well as the first reflective curved surface (3) and the second reflective curved surface (4) are disposed in a centrally symmetrical manner. The sheath flow device improves beam debugging and alignment precision during the reaction process.</p> |
