Wind cooling motor controller for new energy automobile battery

The utility model discloses a wind cooling motor controller for a new energy automobile battery. The controller comprises a signal processor; a three-wire system LAN industrial bus is adopted to be connected with other circuit components of the controller; power supply voltage 8.5V to 16.5V is connected onto a filter circuit and a voltage stabilizing circuit; an input port receives the PWM signal duty ratio size from a control end and is then connected onto the signal processor; a motor three-phase wiring harness is connected via a three-phase predriver and a driving circuit; the motor three-phase wiring harness is also connected with an end current detection circuit and is connected onto the signal processor; a rotor position detection circuit is also connected onto the signal processor; the filter circuit output end is connected with a current voltage detection circuit and is connected onto the signal processor; an output port outputs overcurrent, undervoltage, overvoltage and overload state fault signals a