Automatic control method and system of electric tool

An automatic control system and power tool technology, applied in the direction of power tools, manufacturing tools, etc., can solve the problems of increasing the complexity of hardware and software design, low intelligence, and difficult to stop the number of laps, and achieve after-sales processing and maintenance. , The effect of high intelligence and convenient after-sales processing
CN106002808AActive Publication Date: 2016-10-12杭州势垒科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
杭州势垒科技有限公司
Publication Date
2016-10-12

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Abstract

The invention relates to the field of electric field and particularly relates to an automatic control method and system of an electric tool. The control method comprises the following steps: detecting a parameter X for representing a motor load; judging a releasing work mode of the electric tool according to the parameter X; judging forward and backward rotation of the motor; and generating a corresponding control signal to further control the motor to work according to judgment of the releasing work mode of the electric tool and the forward and backward rotation of the motor. Through judgment of the releasing work mode of the electric tool and the forward and backward rotation of the motor, the degree of a screw needed to be fastened or loosened is further controlled, so that the electric tool is intelligently, conveniently and safely used; when a releasing part reaches the releasing number of times, damageable parts are reminded to be replaced, so that the electric tool is conveniently and safely used; through the load work and the releasing work number of times stored by the electric tool, information of working hour of the device can be known, so that after-sale treatment and maintenance are facilitated.
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Description

technical field

[0001] The invention relates to the field of electric tools, in particular to an automatic control method and system for electric tools. Background technique

[0002] The current electric tools have the following problems in the process of loosening fasteners:

[0003] 1. Due to the high speed, it is difficult to control the degree of loosening the fasteners. For example, it cannot be stopped after a few turns of loosening, or a few turns before the bolt falls off. For example, during high-altitude operations, if the electric wrench cannot be stopped before it falls off during screwing, the nuts will easily fly out, and falling objects will have a great impact on personnel safety.

[0004] 2. There are other existing implementation methods, which judge whether to loosen the nut by the current threshold or the linear change rate of the current drop, or by the motor speed threshold or the speed rise rate, etc., plus the previous load situation; this method is...

Claims

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