Adaptive power output regulating intelligent heating control card and control method thereof
A technology of self-adaptive adjustment and power output, applied in auxiliary controllers with auxiliary heating devices, temperature control using digital devices, temperature control using electric methods, etc., which can solve the problems of high cost and poor stability of temperature control systems. problems, to achieve the effect of convenient installation and debugging, reducing equipment control costs and less investment
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[0079] Example: heating power rating = 1000 watts, power setting value = 400, measured voltage V = 222V, measured power P = 900 watts, ambient temperature T = 15 degrees.
[0080] Adaptive adjustment of calculated power output
[0081] =1000*400*220*220 / (222*222*900)+(25-15)*1.5=436+15=451.
[0082] Results of two temperature control methods with adaptive adjustment
[0083] 1) Set value = 400 with adaptive adjustment time control ratio output 451, the actual output heating power is 400 watts.
[0084] 2) Set value = 400 with self-adaptive adjustment PWM power adjustment output temperature control, this method first converts 451 into 0-10V (corresponding to 0-1000 input linear relationship) analog 4.51V input through computer look-up table method to find out the corresponding Power output, control and trigger the SCR conduction angle, so that the actual output heating power is 400 watts.
[0085] Through the above related algorithm, under the condition of certain set power,...
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