Movable platform, electromagnetic flowmeter and electrode signal amplifier thereof

• Main Authors: CHANG ZIJING, MENG XIANG, PAN LUN, HUANG XIDI
• Format: Patent
• Language: Chinese; English
• Published: 07.07.2020
• Subjects: MEASURING; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; PHYSICS; TESTING

A movable platform, an electromagnetic flowmeter (72,1202) and an electrode signal amplifier thereof are connected with first detection electrodes (331,61,851) through the input ends (411) of the first high-pass filters (41), and the output ends (412) are connected with the first input ends (431) of the differential amplifiers (43,81); the input end (421) of the second high-pass filter (42) is connected with the second detection electrodes (332, 62, 852); the output end (422) of the second high-pass filter (42) is connected with the second input ends (432) of the differential amplifiers (43,81), so that the measurement accuracy of the electromagnetic flowmeter (72, 1202) is improved. 可移动平台、电磁流量计(72，1202)及其电极信号放大器，通过第一高通滤波器(41)的输入端(411)与第一检测电极(331、61、851)连接、输出端(412)与差分放大器(43、81)的第一输入端(431)连接；第二高通滤波器(42)的输入端(421)与第二检测电极(332、62、852)连接，输出端(422)与差分放大器(43、81)的第二输入端(432)连接，提高了电磁流量计(72，1202)测量的准确性。