Flow resistance testing device of valveless piezoelectric pump
A valveless piezoelectric pump and testing device technology, applied in the field of fluid machinery, can solve the problems of difficulty in analyzing the trend of resistance action, small resistance coefficient value range, small speed change interval, etc. Stable and accurate test data, good repeatability
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[0069] The technical solution of the present invention will be further described below in conjunction with the accompanying drawings.
[0070] Such as figure 1 , image 3 As shown, the valveless piezoelectric pump flow resistance test device of this embodiment includes a water tank 1, and the water tank 1 is connected to the valveless piezoelectric pump 21 to be tested through a catheter 9, and a one-way valve is provided on the catheter 9 8. The water tank 1 is divided into a water storage tank 12 and a working water tank 13 by a partition 11, the partition 11 is provided with a water inlet 14; the side wall of the working water tank 13 is provided with an outlet hole 16, The outflow hole 16 is connected to the catheter 9 through the one-way valve 8; the working water tank 13 is provided with a water supply assembly for controlling the opening and closing of the water inlet hole 14.
[0071] Such as figure 1 , figure 2 and Figure 10 As shown, the water supply assembl...
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