Electric tool

Electric tool

  • CN 102,623,961 B
  • Filed: 02/01/2011
  • Issued: 05/18/2016
  • Est. Priority Date: 02/01/2011
  • Status: Active Grant
First Claim
Patent Images

1. an electric tool, comprising:

  • Housing;

    Motor, is contained in housing;

    Energy control module, the work capacity providing to motor is provided;

    Load detecting module, detects the momentary load of motor and generates momentary load signal;

    Main control module, receives the momentary load signal that load detecting module is transmitted, when momentary load meets when pre-conditioned, and judgementThere is instantaneous overload in motor;

    It is characterized in that;

    in the sample time of preset length section, the cumulative time of motor instantaneous overload reaches while setting duration,Master control module judges motor accumulative total overload, controls energy control module the work capacity providing to motor is provided.

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