Particle image speed measurement device provided with adjustable fixing structure
A particle image velocimetry and fixed structure technology, which is applied to measuring devices, biological particle analysis, particle and sedimentation analysis, etc., can solve time-consuming and labor-intensive problems, and achieve the effect of improving efficiency and saving time
Inactive Publication Date: 2019-02-15
BEIHANG UNIV
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Problems solved by technology
At present, there is no mature general-purpose fixing device, and related experiments require experimenters to design and manufacture individually according to the purpose of the experiment, which is time-consuming and labor-intensive.
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[0017] The present invention will be further described in detail with reference to the accompanying drawings and embodiments.
[0018] The invention discloses a particle image velocity measuring device with an adjustable fixed structure, which is a scalable fixed structure, such as figure 1 with figure 2 As shown, it includes: an inlet pipe 1, an outlet pipe 2, a water tank 3 and threaded bolts 4; each part cooperates with each other.
[0019] The water tank 3 is made of transparent plexiglass, and the high light transmittance of the plexiglass wall is used to realize the laser permeability and the accuracy of camera observation on the basis of ensuring the overall hardness; there is an opening on the rear panel, and the outlet pipe 2 Divided into two sections, glued and fixed on the inner and outer walls of the rear panel respectively. Simultaneously, an opening is arranged on the symmetrical position of the front panel of the water tank 3, and the inlet pipe 1 passes thro...
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The invention discloses a particle image speed measurement device provided with an adjustable fixing structure, and relates to the technical field of in-vitro particle image speed measurement of cardiovascular stent medical treatment mechanisms. The device comprises an inlet tube, an outlet tube, a water tank and a threaded bolt, wherein an opening is formed in a rear panel of the water tank; theoutlet tube is divided into two sections which are fixedly adhered to the inner sidewall and the outer sidewall of the rear panel respectively; an opening is formed in a symmetric position on the front panel of the water tank; the inlet tube penetrates the opening; screw threads are formed in the outer wall of a tube body, and part of the tube body is kept at the outer end of the water tank and isfixed to the outer sidewall of the water tank through an outer bolt; another part of the tube body extends into the water tank; when rotating the inlet tube, the actual length change of the inlet tube in the water tank can be adjusted through the bolt. The device is subjected to opening type design which facilitates further improving and optimizing based on different test demands; various cardiovascular stent medical treatment mechanism experiment sections can be effectively fixed; the image speed measurement can be effectively performed; the time is saved; the efficiency is improved.
Description
technical field [0001] The invention relates to the technical field of in vitro particle image velocimetry of medical devices, and specifically refers to a particle image velocimetry device with an adjustable fixed structure. Background technique [0002] Particle Image Velocimetry (PIV) is a transient, multi-point and non-contact hydrodynamic velocimetry method, which can record the velocity distribution information of a large number of spatial points in the same transient state, and can provide rich flow information. Field space structure and flow characteristics. This technology is applied in the field of in vitro testing of cardiovascular stent medical devices. It can accurately and effectively observe the state and distribution of the flow field before and after the stent, and plays an important role in evaluating the hemodynamic performance of cardiovascular stent medical devices. [0003] Since the object under test needs a stable and fixed state in the process of pa...
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IPC IPC(8): G01N15/00
CPCG01N15/00G01N2015/0003G01N15/01
Inventor 樊瑜波杨贤达冯文韬王丽珍冯成龙姚杰
Owner BEIHANG UNIV