Abstract：Aiming at the problem of accurate and automatic measurement for volume of railway tanker, a high precision automatic measurement system for volume of railway tanker is proposed. By using the sensor and automatic control technology, the software and hardware system represented by the standard gauge connected overflow device, the high-sensitivity precious metal probe automatic detection liquid level and early warning device, the upper and lower double liquid inlet intelligent control device and the standard gauge grouping device are studied and designed. Through the test and verification, the system has high measurement accuracy, greatly improved automation, work efficiency and work safety, reduced labor intensity, reduced personal hazards of operators, greatly saved working time, and met the requirements of International Organization of Legal Metrology OIML R80. It provides accurate technical basis for volume measurement of large and medium capacity measuring devices such as railway tankers, trade settlement of railway liquid goods, safe loading control, production, design and manufacture of railway tankers and tank containers.
