Control circuit of wide-voltage brushless motor
A brushless motor and control circuit technology, which is applied in the direction of electronic commutation motor control, excitation or armature current control, control system, etc., can solve the problems of poor versatility, low work efficiency, narrow application range, etc., and achieve guaranteed The effect of normal and stable work, improving work efficiency and widening the scope of use
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[0017] The specific implementation of the control circuit of a wide-voltage brushless motor according to the present invention will be described in detail below in conjunction with the accompanying drawings:
[0018] Such as figure 1 As shown, the control circuit of the wide-voltage brushless motor of the present invention includes: a microprocessor 101, a motor drive circuit 102, a power output circuit 103, a start-stop switch 107, an emergency switch 108, an undervoltage detection circuit 114 and a DC power supply, the power output circuit 103 is provided with a DC voltage by a power-driven regulated power supply 104, and the described DC power supply is a DC- The DC conversion circuit 105, the DC-DC conversion circuit 105 and the power drive stabilized voltage supply 104 have a common ground, and one end of the start-stop switch 107 and one end of the emergency switch 108 are respectively connected to the corresponding input ends of the microprocessor 101 to start The othe...
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