Cylinder type ultra-high-pressure sensor of side cavity oil charging structure
An ultra-high pressure, cylindrical technology, which is applied in the direction of fluid pressure measurement by changing the ohmic resistance, can solve the problems of small resistivity, sensor stability influence, and poor signal-to-noise ratio
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[0020] The structural principle and working principle of the present invention will be described in more detail below in conjunction with the accompanying drawings.
[0021] refer to figure 1 , a cylindrical ultra-high pressure sensor with a side chamber oil-filled structure, including an elastic element base 1, the upper part of the elastic element base 1 is a pressure-bearing cylinder 3, and the center of the pressure-bearing cylinder 3 is a pressure-bearing hole 2, the bearing The side wall of the pressure cylinder 3 is provided with an oil-filled cavity 7 (that is, a single-hole structure), the upper end of the oil-filled cavity 7 communicates with the top of the pressure-bearing cylinder 3, and the sensitive element 9 is assembled on the upper end of the oil-filled cavity 7. The sensitive element 9 is provided with a Wheatstone bridge, and the Wheatstone bridge is connected to the adapter plate 4 by the gold wire lead 10; the adapter plate 4 is installed on the top of the...
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