Analog control circuit for fan driving and controlling method thereof
A technology of analog control and differential amplifier circuit, applied in the direction of motor control, DC motor speed/torque control, control system, etc., can solve the problems of low efficiency, annoying, high cost, etc., and achieve simple equipment and heat resistance Good, the effect of improving efficiency
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[0027] specific implementation
[0028] Hereinafter, embodiments of the analog circuit for driving a fan according to the present invention will be described with reference to the drawings.
[0029] First, refer to Figure 1 to Figure 5 An example of an analog circuit for driving a fan will be described. figure 1 It is a circuit diagram of the analog control circuit for driving the fan, and Fig. 2 is a circuit diagram of the main part of the analog control for driving the fan, image 3 It is an explanatory diagram of the relationship between liquid temperature, fan rotation speed and drive command current, Figure 4 is an illustration of an example of correcting an input value to an output target value. Figure 5 It is an explanatory diagram of an example of comparing and switching between a triangle wave and a command current.
[0030] figure 1 It is a schematic diagram of an example of an analog control circuit 1 for driving a fan. The analog control circuit 1 for dri...
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