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    • 10. 发明专利
    • Temperature control device
    • 温度控制装置
    • JPS59214901A
    • 1984-12-04
    • JP8945783
    • 1983-05-20
    • Matsushita Electric Ind Co Ltd
    • ITOU SHINICHINAKATANI TADASHI
    • G05B1/03G05D23/19G05D23/24
    • G05D23/24G05D23/1902
    • PURPOSE:To reduce the error of current temperature display by providing the titled device with a current temperature detecting means detecting a temperature different from set temperatures. CONSTITUTION:Resistors 3-6 and transistors (TR) 7-10 select N stages of set temperatures, and when a temperature measured by a thermistor 1 is lower than said set temperatures, a heater 27 is driven through a heater driving means 26. The current temperature is displayed by diodes 19-22. In this case, the base of a TR43 is connected to an output port 15l of a microcomputer 15 and a series body consisting of said TR43 and a resistor 42 is connected to a resistor 18 for obtaining the reference voltage of a comparator 16 in parallel to form a current temperature detecting means for displaying the temperature. Since a resistor 42 is also connected, the positive input reference potential of the comparator 16 is reduced at the detection of the temperature, the temperature different from the set temperatures is detected an the absolute value of the error of the displayed temperature is reduced.
    • 目的:通过向标称装置提供检测不同于设定温度的温度的当前温度检测装置来减少当前温度显示的误差。 构成:电阻器3-6和晶体管(TR)7-10选择N级设定温度,当热敏电阻1测得的温度低于设定温度时,加热器27通过加热器驱动装置26驱动。 二极管19-22显示当前温度。 在这种情况下,TR43的基极连接到微计算机15的输出端口15l,并且由所述TR43和电阻器42组成的串联体连接到电阻器18,用于获得比较器16的参考电压并联 形成用于显示温度的当前温度检测装置。 由于电阻器42也被连接,所以在检测温度时比较器16的正输入参考电位减小,检测到与设定温度不同的温度,显示温度的误差绝对值减小。