How to measure the temperature rise in the operation of the reducer

1) Thermometer method: This is a simple and direct method of measuring temperature, which is often measured with an alcohol thermometer. When measuring, the thermometer can be placed close to the bearing surface or stator core to be measured, and the temperature indication can be read. When measuring the winding temperature, the thermometer can be inserted into the hoisting screw hole of the reducer. The measured temperature value is the surface temperature of the winding, plus the hot temperature difference (B-class insulation takes 10. c) is the hot spot of the reducer winding. temperature. The temperature of the reducer minus the ambient temperature is the temperature rise of the reducer.

2) Resistance method: The resistance value of the metal wire increases correspondingly with the increase of temperature. In a certain temperature range, there is a certain functional relationship between the resistance value and the temperature. Using this principle, the winding can be measured by measuring the winding. The resistance value to measure its temperature is called resistance temperature measurement. When the resistance method is selected, first use the bridge to measure the value of the cold DC resistance RI of the winding, and record the ambient temperature (room temperature) at that time when the reducer runs for a period of time, and then measure the hot DC resistance of the winding: Substitute into the formula The temperature c2 of the winding can be obtained.