Patent ID: 8421288
Filing Date: 2013-04-16
Classification: H02K

Abstract:
1. A motor comprising: a body, comprising a housing, a stator, and a rotor; and a controller, comprising a control box and a control circuit board; wherein: said body is disposed at the top of the motor; said controller is disposed at the bottom of the motor; said control circuit board is disposed in said control box; said control box extends from a side of said housing and forms a platform; a control cable and a power line enter said control box via said platform, and are connected to said control circuit board; said control cable and said power line are sealed via a sealing screw joint and a nut; said control circuit board in said controller employs an overlapped structure comprising an upper layer and a lower layer; said upper layer of said control circuit board is a power board bearing a power conversion circuit; said lower layer of said control circuit board is a control board bearing a direct current brushless motor control circuit; a hole is disposed at the bottom of said control box; a serial port disposed on said control board is disposed in said hole, and connected to an external circuit; said hole is a screw hole; and said screw hole is sealed via a plastic nut and a sealing ring.