Diesel engine pre-lubricating oil pump control system and control method adopting control system
A lubricating oil pump and pre-lubricating oil technology, which is applied in the direction of lubricating pumps, engine lubrication, lubricating parts, etc., can solve the problems of not considering the maximum effective pre-lubrication time of lubricating oil, affecting user experience, and long pre-lubrication time. Achieve the effect of optimizing user experience, reducing pre-lubrication time and improving efficiency
Active Publication Date: 2021-11-09
CRRC QISHUYAN CO LTD
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The disadvantage of this method is that the fixed motor speed will cause the outlet pressure of the lubricating oil pump to be too high when the lubricating oil is low temperature, and the outlet pressure of the lubricating oil pump will be too low when the lubricating oil is high temperature. The difference in the longest effective pre-lubrication time leads to too long pre-lubrication time for diesel engines, which affects user experience
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[0050] The present invention will now be described in further detail in conjunction with the accompanying drawings and preferred embodiments. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present invention in a schematic manner, so they only show the configurations related to the present invention.
[0051] Such as figure 1A diesel engine pre-lubrication oil pump control system shown includes a temperature sensor 2 for detecting the lubricating oil temperature T at the lubricating oil inlet of the diesel engine; a pressure sensor 3 for detecting the lubricating oil pressure P at the lubricating oil inlet of the diesel engine; the pre-lubricating oil pump 5. It is used to establish pressure to drive the lubricating oil flow; the pre-lubricating oil pump controller 4 is connected to the pre-lubricating oil pump 5, and is used to drive the pre-lubricating oil pump 5 to rotate;
[0052] The system controller 1 is connected ...
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The invention relates to the technical field of diesel engine pre-lubricating oil, in particular to a diesel engine pre-lubricating oil pump control system and a control method adopting the control system. A system controller is connected with a temperature sensor, a pressure sensor and a pre - lubricating oil pump controller; and the system controller receives feedback data of the temperature sensor, feedback data of the pressure sensor and feedback data of the pre-lubricating oil pump controller, calculates and outputs reasonable output frequency of the pre-lubricating oil pump controller, and controls start and stop operation of the system. The lubricating oil pre-lubricating time before a diesel engine is started can be shortened, the pre-lubricating efficiency is improved, the lubricating oil outlet pressure is guaranteed, and the user experience feeling is optimized; and meanwhile, the system can be applied to a newly-manufactured locomotive or the transformation of an existing locomotive, the newly-manufactured locomotive can undertake the function of the system controller through a locomotive microcomputer, and the existing locomotive can use an independent controller.
Description
technical field [0001] The invention relates to the technical field of diesel engine pre-lubricating oil, in particular to a diesel engine pre-lubricating oil pump control system and a control method using the control system. Background technique [0002] Most of the domestic diesel locomotives are medium and low-speed diesel engines, which need to be pre-lubricated before starting. The current mainstream method is to use a fixed-speed motor to drive the pre-lubrication oil pump, and start the diesel engine after a certain pre-lubrication time. The disadvantage of this method is that the fixed motor speed will cause the outlet pressure of the lubricating oil pump to be too high when the lubricating oil is low temperature, and the outlet pressure of the lubricating oil pump will be too low when the lubricating oil is high temperature. The difference in the maximum effective pre-lubrication time leads to too long pre-lubrication time for diesel engines, which affects user exp...
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IPC IPC(8): F16N13/20F16N29/00
CPCF16N13/20F16N29/00F16N2250/08F16N2250/04F16N2270/72
Inventor 庞立民郁施宏陈诚匡云许云秋陈献慧
Owner CRRC QISHUYAN CO LTD