A low-speed diesel engine oil return automatic measurement system and method for a test bench
An automatic measurement and diesel engine technology, which is applied in the direction of measuring devices, weighing, internal combustion engine testing, etc., can solve the problems of labor-intensive, low efficiency, poor precision, etc., and achieve the goal of reducing labor intensity, improving accuracy, and improving safety and reliability Effect
Active Publication Date: 2017-02-22
CSSC MES DIESEL
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Problems solved by technology
The current test method is to switch the three-way valve, time the fuel oil drain, and weigh the fuel oil drain through manual operation. The whole process has defects such as low efficiency, poor precision, and labor-intensive.
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[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the protection scope of the present invention should not be limited thereby.
[0029] see figure 1 , as shown in the figure, the low-speed diesel engine oil return automatic measurement system for the test bench includes a measuring oil tank 1, a measuring scale 2, an electronically controlled two-position three-way solenoid valve 4, an oil tank drain solenoid valve 5, an on-site control unit 3 and a centralized control room control Unit 6.
[0030] The measuring oil tank 1 is placed on the measuring scale 2 as a container for the measured fuel oil return, and is used to accommodate the fuel oil return discharged from the oil return piping system of the low-speed diesel engine.
[0031] The weighing scale 2 has a weight output data interface, placed under the measuring oil tank 1 and carrying the weight of the measuring oil tank 1,...
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The invention discloses an automatic measurement system for return oil of a low-speed diesel engine for a test run platform. The automatic measurement system comprises a measurement tank, a measurement scale, an electronic control two-position three-way solenoid valve, a tank tapping solenoid valve, an on-site control unit and a central control room control unit, wherein the measurement scale is used for actually measuring the weight of the measurement tank and the return oil of fuel oil in the measurement tank, the electronic control two-position three-way solenoid valve is connected with the oil return pipeline of the low-speed diesel engine, a tapping pipeline and the measurement tank, the tank tapping solenoid valve is connected with the measurement tank, the on-site control unit is connected with the measurement scale, the electronic control two-position three-way solenoid valve and the tank tapping solenoid valve, at a starting moment and a finishing moment of a preset oil drainage measuring time, the electronic control two-position three-way solenoid valve is controlled to carry out switchover to lead the return oil of the fuel oil into the measurement tank or the tapping pipeline, meanwhile weight data transferred by the measurement scale is received, the return oil amount of a unit time of the low-speed diesel engine is calculated according to the weight data and the preset oil drainage measuring time and is displayed to the outside, the central control room control unit is connected with the on-site control unit, and remote control is realized through the on-site control unit. According to the automatic measurement system, full-automation and remote control of measurement of return oil are realized, the labor intensity is lowered, and the work efficiency and reliability are improved.
Description
technical field [0001] The invention relates to a test device for a marine low-speed diesel engine, in particular to an automatic oil return measurement system and method for a low-speed diesel engine on a test bench, and belongs to the technical field of diesel engine testing. Background technique [0002] The performance test of the marine low-speed diesel engine is generally carried out on the test bench. An important test that needs to be carried out in the process is to measure the fuel oil return performance of the marine low-speed diesel engine. The oil return weight of the fuel oil generated in the engine is measured to obtain the oil return amount per unit time of the marine low-speed diesel engine. The current test method is to switch the three-way valve, time the fuel oil drain, and weigh the fuel oil drain through manual operation. The whole process has defects such as low efficiency, poor precision, and labor-intensive. Contents of the invention [0003] The ...
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IPC IPC(8): G01M15/04G01G17/04
Inventor 王岩沈延强朱琪
Owner CSSC MES DIESEL