Automatic verification device and method for the capacity of automobile oil tanker with self-calibration

Abstract

The invention relates to an automobile oil tank truck capacity automatic inspection device with a self-calibration function and inspection method. The device comprises a water pump, a pressure stabilizing tank, a regulating valve, a first switch valve, a second switch valve, a third switch valve, a first standard meter, a second standard meter, a third standard meter, a piston-type standard volume pipe, a fourth switch valve, a fifth switch valve, a sixth switch valve and a circulating water pond and further comprises a liquid level transmitter and a temperature transmitter, wherein the liquid level transmitter and the temperature transmitter are arranged in an automobile oil tank truck. According to the device and method, automatic reading of flow signals, liquid level signals, temperature signals and other signals and automatic processing of data are achieved, storage of capacity inspection results and printing of tables are achieved, self-calibration of a standard flow meter can be achieved, accuracy and reliability of quantity transmission are guaranteed, automation of the inspection process is achieved, manual errors are reduced, and inspection efficiency and accuracy of the device are improved.

Description

technical field [0001] The invention belongs to the technical field of automatic detection, and relates to an automatic verification device and a verification method for the capacity of an automobile oil tanker with self-calibration. Background technique [0002] Automobile oil tank truck is a special vehicle for transporting liquid petroleum and chemical products, and is an important tool for transporting light oil. The certified oil tank can be used as a measuring instrument for oil product trading and trade settlement, and it belongs to the recording instrument item of national compulsory verification. In recent years, with the outbreak of the energy crisis and the continuous rise of crude oil prices, the accurate measurement of the capacity of automobile tankers has also attracted widespread attention and attention. According to JJG133-2005 "Regulations for the Verification of the Capacity of Automobile Oil Tank Trucks", the methods for the verification of the capacity ...

AI Technical Summary

Problems solved by technology

[0005] 1. The verification efficiency is not high: because a flowmeter is used as the standard meter, when the standard meter is used at a fixed point, the water flow is often not very large, and the water injection time is long, so the verification efficiency is not very high

[0006] 2. Whether the standard table is correct or not is not easy to find: during the use of the standard table, when there is a problem with it, because there is no inspection mechanism, the problems existing in the standard table cannot be found in time, resulting in the risk of error in the verification results

[0007] 3. The maintenance of the standard meter is cumbersome: according to the verification regulations, regular verification of the standard meter is required. The disassembly and inspection of the standard meter is troublesome, which affects the progress and benefits of the actual production verification

[0008] 4. High labor intensity: manual water release and reading are relatively labor intensive, and it is easy to introduce human error

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