Temperature controller
专利汇可以提供Temperature controller专利检索，专利查询，专利分析的服务。并且PURPOSE:To suppress an increase in the peak of electric power by lowering the voltage of a heater during the operation of other loads while exercising temperature control by a heat-sensitive element after rapidly raising temperature up to desired one by applying the voltage to the heater. CONSTITUTION:The output VER1 of a temperature control system consisting of a thermistor TH for detecting the temperature of a heater 2, a temperature- voltage converting circuit 3, a reference voltage generating circuit 5, and an error transformer 4, and the output VER2 of a voltage control system consisting of a detecting circuit 6 for the terminal voltage V4 and effective voltage of the heater 2, a reference voltage generating circuit 8, and an error amplifier 7 are inputted to a diode OR circuit 9, which generates a higher voltage as an output VER'. The zero-cross point of an AC voltage VAC is detected by a zero-cross point extracting circuit 10 to output a pulse Vp, and then a saw-tooth wave VT is generated by a circuit 11 and compared with the VER by a circuit 12; when VT>=VER, a rectangular wave Sc having a level H is outputted and a two-way three-terminal thyristor is controlled by a trigger pulse SP through a phase circuit 13 to control the phase of a voltage applied to the heater 2. Thus, an increase in total load is prevented.，下面是Temperature controller专利的具体信息内容。
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|---|---|---|
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