US 12,352,647 B2
Measuring device and method for dynamic characteristics of pressure sensitive paint
Limin Gao, Shaanxi (CN); Ning Ge, Shaanxi (CN); Xiangfu Lei, Shaanxi (CN); Lei Wang, Shaanxi (CN); and Bo Ouyang, Shaanxi (CN)
Assigned to NORTHWESTERN POLYTECHNICAL UNIVERSITY, Shaanxi (CN)
Filed by NORTHWESTERN POLYTECHNICAL UNIVERSITY, Shaanxi (CN)
Filed on Mar. 10, 2023, as Appl. No. 18/181,574.
Claims priority of application No. 202211226912.1 (CN), filed on Oct. 9, 2022.
Prior Publication US 2024/0118159 A1, Apr. 11, 2024
Int. Cl. G01L 25/00 (2006.01); G01L 1/24 (2006.01); G01N 21/01 (2006.01); G01N 21/71 (2006.01); G01N 21/84 (2006.01); G01L 19/00 (2006.01)
CPC G01L 25/00 (2013.01) [G01L 1/24 (2013.01); G01N 21/01 (2013.01); G01N 21/71 (2013.01); G01N 21/8422 (2013.01); G01L 19/0092 (2013.01); G01N 2021/8427 (2013.01)] 10 Claims
OG exemplary drawing
 
1. A measuring device for dynamic characteristics of pressure sensitive paint (PSP), comprising a PSP sample wafer, a dynamic pressure sensor, an oscilloscope, a light source, a photomultiplier tube, a bandpass filter, a loudspeaker, a power amplifier, and a signal generator, wherein an outer surface of the PSP sample wafer is sprayed with a PSP; the dynamic pressure sensor is mounted at a center of the PSP sample wafer, and an output end of the dynamic pressure sensor is connected to an input end of the oscilloscope; an emitting end of the light source directly faces an inner surface of the PSP sample wafer; a detection end of the photomultiplier tube is provided with the bandpass filter, and an output end of the photomultiplier tube is connected to the input end of the oscilloscope; and the loudspeaker directly faces the outer surface of the PSP sample wafer; and the loudspeaker, the power amplifier and the signal generator are connected in sequence.