Particle detector

• Main Authors: ZHU YOUPING, CHENG ZHI, ZHAN NINGBO, WU TAIHU, ZHAO PICHENG, CHEN FENG, DU YAOHUA
• Format: Patent
• Language: Chinese; English
• Published: 19.05.2010
• Subjects: INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES; MEASURING; OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS; OPTICS; PHYSICS; TESTING

The utility model discloses a particle detector including a liquid tube part and an optical tube part, wherein the liquid tube part includes a sheath flow cell compartment which includes a sample introduction rectifier section, an accelerating section and a detection section made of transparent material that are sequentially communicated coaxially from the sample introduction rectifier section; the sample introduction rectifier section includes a sample liquid introduction module, a sheath liquid sample introduction module and a rectifier module; the sample liquid introduction module includes a sample liquid introduction pipe and a sample liquid introduction needle which are communicated with each other; and the rectifier module is internally provided with a sheath flow guide hole. The sheath liquid sample introduction module includes a sheath flow sample introduction pipe communicated with the sheath flow guide hole, the sample liquid introduction needle is arranged in the sheath flow guide hole in a penetra