2014年（381）
分类： 信息化
2014-05-09 17:31:25
Having a protective function of the pulse width modulated , comprises a central control unit to output to the PWM signal generator, the output of the central control unit according to the resistance-film heating time t, the pulse width modulation signal generated and output to the protection circuit, The output of the protection circuit after the input drive signal protection circuitry and an outlet, and the outlet protected by the driver circuit output signal output to the control circuit, control circuit outputs a control signal output, the control voltage to the heating-off resistance of the film, signal detected by the temperature measurement element and enter the central control unit, to achieve temperature control. this product is one of our main products
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