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Electric tool and safe starting method

A technology of electric tools and installation parts, which is applied in the direction of motor tools, manufacturing tools, hand-held tools, etc., can solve the problems of single opening conditions of electric tools and no protection for children, and achieve the effect of protection, property safety and personal safety

Pending Publication Date: 2022-04-05
ZHEJIANG CROWN POWER TOOLS MFG
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide an electric tool to solve the technical problem that the existing electric tools have a single opening condition and no protection for children

Method used

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  • Electric tool and safe starting method
  • Electric tool and safe starting method
  • Electric tool and safe starting method

Examples

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Embodiment Construction

[0046] In order to make the purpose, advantages and characteristics of the present invention clearer, the following in conjunction with the attached Figure 1-7 The electric tool and its safe starting method proposed by the present invention are further described in detail. It should be noted that all the drawings are in a very simplified form and use imprecise scales, and are only used to facilitate and clearly assist the purpose of illustrating the embodiments of the present invention.

[0047] As used in this specification, the singular forms "a", "an" and "the" include plural objects, and the plural form "a plurality" includes two or more objects, unless the content clearly states otherwise. As used in this specification, the term "or" is generally used in the sense including "and / or", unless the content clearly indicates otherwise, and the terms "install", "connect" and "connect" should be To be understood in a broad sense, for example, it may be a fixed connection, a de...

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PUM

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Abstract

The invention provides an electric tool and a safe starting method, a pressure sensor is arranged on a holding part of the electric tool, the pressure sensor is used for sensing the holding force, and a controller controls whether the electric tool is started or not by analyzing whether the holding force meets a preset condition or not and combining the state of a switch. Wherein the preset condition of the holding force is used for distinguishing whether a person holding the electric tool is a child or a non-child, and when the child holds the tool, the holding force inevitably does not meet the preset condition for starting the electric tool, so that potential safety hazards and property loss caused by the fact that the child starts the electric tool without a guardian can be avoided; and the personal safety and property safety of children can be effectively protected. Meanwhile, when the machine is started, other specific operations are not needed, and individual identity verification is not needed either.

Description

technical field [0001] The invention relates to the technical field of electric tools, in particular to an electric tool and a starting method thereof. Background technique [0002] In the 1960s, with the development of battery manufacturing technology, battery-type power tools without power cords that used nickel-cadmium batteries as power sources appeared. There are many kinds of tools, such as electric drills, electric screwdrivers, electric wrenches and electric grinders, etc. Most of the existing electric tools can enter the working state after pressing the switch. If non-professionals such as children accidentally touch the switch, the electric tool will enter the working state. The electric tool in operation may cause personal injury or property loss. Low security and reliability. Especially for naughty children by nature, when the guardian is not around, the children like to take out the electric tools to play, and it is very easy to hurt the children after startin...

Claims

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Application Information

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IPC IPC(8): B25B21/00B25F5/02B25G1/00
Inventor 徐兆余夏琴
Owner ZHEJIANG CROWN POWER TOOLS MFG
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