Motor drive device and main frame
A technology of motor drive and main frame, which is applied in the direction of AC motor control, electrical components, cooling/ventilation/heating transformation, etc. It can solve the problems of complex structure of motor drive device, cumbersome installation and maintenance, etc., and achieves convenient installation and maintenance, and device Compact structure, avoid mutual interference effect
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[0022] The motor drive device of the present invention integrates the strong and weak current parts into the drive board and the control board respectively, and installs the drive board and the control board in a rack, so that the entire motor drive device is not only compact in structure, but also can avoid strong current Interference with the weak current part.
[0023] Such as Figure 1-2 What is shown is a schematic diagram of an embodiment of the motor drive device of the present invention. In this embodiment, the motor driving device includes a main frame, a driving board 12, a control board 13, and a heat dissipation component. The driving board 12 is the strong current part of the device, and its input end is connected to the industrial frequency power supply, and the output end is connected to the power input end of the motor. The control board 13 is the weak current part of the device, and is used to control strong current processing (such as motor speed control, etc....
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