Diaphragm-type air spring volume testing system and testing method thereof

• Main Authors: SHANGGUAN WENBIN, YANG ZEBIAO
• Format: Patent
• Language: Chinese; English
• Published: 20.03.2018
• Subjects: MEASURING; MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL; METERING BY VOLUME; PHYSICS; TESTING

The invention discloses a diaphragm-type air spring volume testing system which comprises a tension tester, a high-pressure pipeline system, a data acquisition system and a computer, wherein the high-pressure pipeline system comprises an installation box, and an air inlet pipe, a pressure regulating valve, a water storage pipe and an air outlet pipe which are fixedly connected in the installationbox in sequence; the data acquisition system comprises a gas-pressure meter sensor, a liquid level sensor, a force sensor, a displacement sensor and a data acquisition card; the data acquisition cardis connected with the gas-pressure meter sensor, the liquid level sensor, the force sensor and the displacement sensor by virtue of circuits; and the computer is in signal connection with the data acquisition card and is used for displaying and outputting data. The invention further discloses a diaphragm-type air spring volume testing method. By utilizing the characteristic that a liquid compressibility factor is extremely