Control method for improving power utilization rate of loading machine
A control method and loader technology, applied in engine control, mechanical equipment, machine/engine, etc., can solve problems such as power loss and fuel economy reduction, so as to reduce fuel consumption rate, improve power utilization rate, and improve economy Effect
Active Publication Date: 2020-06-05
HUAIYIN INSTITUTE OF TECHNOLOGY
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Problems solved by technology
[0004] At present, the power of the loader engine is designed according to the maximum power required in the shoveling stage, but in other operation stages, the engine is in a partial load state, which causes power loss and reduces fuel economy
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Embodiment Construction
[0060] Below, the present invention will be described in further detail in conjunction with the accompanying drawings.
[0061] Such as figure 1 , a control method for improving the power utilization rate of the loader, collecting vehicle speed, working pump pressure, bucket cylinder pressure and boom cylinder pressure signals as identification signals, and using the operating condition identification system to identify the loader cycle operation process Heavy-duty working conditions, standard working conditions and no-load working conditions, and the corresponding external characteristic curves are selected accordingly to achieve the purpose of improving the power utilization of the engine and reducing the fuel consumption rate of the loader.
[0062] Specifically, such as figure 2 As shown, according to the statistics of the test data of the cycle operation of the loader, the engine power curve suitable for the operating conditions can be written accordingly, and the exter...
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The invention discloses a control method for improving the power utilization rate of a loading machine. According to the method, the character of the controllable circulation oil supply amount of an electronic injection diesel engine is utilized, different oil supply amounts of the electronic injection diesel engine are controlled, the engine has multiple outer characteristic curves, three outer characteristic curves with the power range are preset in an ECU of the engine of the loading machine, circulation work of the loading machine is divided into three work conditions including the heavy load, the standard and the no load according to the load, the vehicle speed, the work pump pressure, the rotating bucket oil cylinder pressure and the movable arm oil cylinder pressure serve as recognition signals, and an operation work condition recognition system is used for recognizing and judging the real-time operation work condition of the loading machine; and according to the different operation work conditions, the ECU of the engine is controlled to select the proper outer characteristic curve for work, accordingly, the power utilization rate of the engine is improved, the fuel consumption rate of the loading machine is reduced, and the economical efficiency of the loading machine is improved.
Description
technical field [0001] The invention relates to the technical field of loader control, in particular to a control method for improving the power utilization rate of a loader. Background technique [0002] The power curve of the engine generally refers to the external characteristic curve of the engine. The power curve of the engine must be reasonably matched with the load in order to improve the utilization rate of the engine power and reduce fuel consumption. [0003] Cycle operation is the most typical operation form of the loader. A complete cycle operation of the loader generally includes five stages: forward without load, shovel loading, backward with load, forward with load and unloading, and backward without load. Not the same, the power demand for the engine presents obvious steps and periodicity. Among them, the power required for the shovel loading stage is the largest, the power required for the two stages of unloaded forward and unloaded retreat is the smallest,...
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IPC IPC(8): F02D29/02
CPCF02D29/02F02D2200/501F02D2200/50Y02T10/84
Inventor 胡晓明常绿夏晶晶陈勇戴建国朱建辉赵艳青
Owner HUAIYIN INSTITUTE OF TECHNOLOGY