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Research on Transmission Efficiency of Mechanical Transmission Based on Test Bench

机译：基于试验台的机械传动传动效率研究

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This paper mainly researches transmission efficiency (TE) of mechanical transmission in relation to the temperature of lubricating oil. Firstly the formula of TE is calculated about the kinematic viscosity of lubricating oil, then analyze the relationship between kinematic viscosity and temperature of lubricating oil, and finally the formula of TE which is related to the oil temperature is put forward. In order to verify the theoretical formula, the test bench for mechanical transmission is designed, which is used to research the N109 transmission of one mini car. The bench can be used to measure the curve of TE under different speed, load and lubricating oil temperature. The optimum operating temperature of the transmission is obtained by analyzing the measured data and theoretical calculation results. The test bench adopts 2 AC asynchronous motors to respectively simulate the driving and load performance of a vehicle. In this test bench, the control software of host computer is programmed by C++, the slave computer adopts PLC to control the S120 control cabinet which regulates the rotational speed of driving motor(DM) and the torque of load motor (LM).
机译：本文主要研究相对于润滑油的温度的机械传动的传动效率（TE）。首先TE的公式计算约润滑油的运动粘度，然后分析运动粘度和润滑油的温度，最后这是关系到油温提出TE的式之间的关系。为了验证该理论公式，用于机械传动试验台被设计，其被用于研究一个微型车的N109传输。替补可以用来测量TE的不同速度，负载和润滑油温度下的曲线。变速器的最佳运行温度是通过分析所测量的数据和理论计算的结果而获得。试验台采用2个交流异步电机，分别模拟车辆的行驶和装载性能。在该试验台，主计算机的控制软件被C ++编程中，从计算机采用PLC来控制其调节驱动电动机（DM）的旋转速度和负载电动机（LM）的转矩的S120的控制柜。

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