Power tool system and motor speed control system thereof

• Main Author: WAN DEKANG
• Format: Patent
• Language: Chinese; English
• Published: 14.09.2016
• Subjects: COMBINATION OR MULTI-PURPOSE TOOLS NOT OTHERWISE PROVIDEDFOR; DETAILS OR COMPONENTS OF PORTABLE POWER-DRIVEN TOOLS NOTPARTICULARLY RELATED TO THE OPERATIONS PERFORMED AND NOTOTHERWISE PROVIDED FOR; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS; GRINDING; HAND TOOLS; MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; MANIPULATORS; PERFORMING OPERATIONS; POLISHING; PORTABLE POWER-DRIVEN TOOLS; TRANSPORTING

The utility model relates to a power tool system and voltage rotational speed control system. This motor speed control system for the rotational speed of control power tool motor, the converter is connected with the motor, and the motor speed control system includes main switch, speed governing component and converter, and the main switch is connected with the converter, is used for the control motor to start and close, the speed governing component is installed on power tool, and it is connected with the converter, adjusts the speed governing component, speed governing component output speed governing signal, and the speed governing signal is received to the converter, obtains the driving frequency and the driving voltage of expectation according to the speed governing signal to according to its comparative result with current driving frequency and driving voltage, generate control signal, reexport control signal gives power tool's motor, and the motor is transferred to corresponding rotational speed accordi