Design of Super Program-Controlling Thermostatic Device
Keywords:program control, super thermostatic device, design
Super thermostatic device was designed, using electric heating jacket as the heating element, silicon controlled voltage regulator as the actuator, program temperature controller as the controller. Orthogonal experiment was carried out to investigate the influencing factors on temperature control error, such as the heating medium, heating power, stirring speed and target temperature. The experimental results indicated that heating power and stirring speed have significant influence on temperature control error; and under the optimal conditions, the designed thermostatic device has thermostat control precision, ± 0.2 ?, and temperature control accuracy, 0.3 ?, which showed that the thermostatic device is a super thermostatic device with program control function.
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