Ac motor and controller

Ac motor and controller

  • CN 101,222,164 B
  • Filed: 11/02/2007
  • Issued: 07/01/2015
  • Est. Priority Date: 11/08/2006
  • Status: Active Grant
First Claim
Patent Images

1. three-phase alternating-current motor, it comprises a feedback with galvanic control device, wherein control device comprises the printed circuit board (30) that has power and control piece, this printed circuit board is arranged on the housing of motor, and the alternate wiring of motor and a DC power supply is electrically connected with printed circuit board (30) via connecting terminal, printed circuit board (30) can be fixed on the outside of a motor backplate (18), and insulation alternate wiring (22) be imported into by least one opening (20) of motor backplate (18) lead to printed circuit board (30) gap in and be electrically connected with printed circuit board (30) via connecting terminal, and fixture is set for fixing printed circuit board (30), it is characterized in that, motor backplate (18) is at least made up of the heat-resisting and material of electric insulation in the region of alternate wiring (22) or connecting terminal, and printed circuit board (30) directly can be fixed on motor backplate (18) via described fixture, the alternate wiring (22) of insulation is imported in the described gap between motor backplate (18) and printed circuit board (30).

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