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Electric tool and power supply power supply system using same

A technology of electric tools and power supply, which is applied in the direction of manufacturing tools, portable motorized devices, conversion equipment for intermediate conversion to direct current, etc., which can solve the problems of inconvenient use of electric tools, low work efficiency, and inability to control in time. Achieve the effects of convenient use, improved production efficiency, and reduced costs

Inactive Publication Date: 2010-07-21
任雷 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the electric tool is separated from the control system of the whole machine, this control method will inevitably cause inconvenience in the use of the electric tool, low work efficiency, and the corresponding required functions cannot be controlled in time.

Method used

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  • Electric tool and power supply power supply system using same
  • Electric tool and power supply power supply system using same
  • Electric tool and power supply power supply system using same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0054] In the traditional isolation method, the isolation device is placed between the power grid and the control system of the whole machine, and the isolation device and the control system of the whole machine are connected by cables, which is a direct isolation method for the power grid. , so the power frequency for the isolation device is also the frequency of the power grid. As a kind of isolation device, the motor generator set is bulky, and the cost is quite high, and the cost of using a switching power supply is also very high. Therefore, there is no comparable Therefore, we only discuss the case where the isolation device is an isolation transformer. The isolation transformer is between the power grid and the control system of the whole machine. The power frequency of the input and output points has not changed, and it can only be the power frequency of the industrial frequency. The volume of the isolation transformer is relatively large. High-frequency isolation trans...

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PUM

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Abstract

This invention discloses a kind of power tool including: an overall control system containing a motor controller, an isolation transformer, a motor, an executing unit and a cable, in which, an network supplies the overall control system and supplies to the isolation transformer via the controller, the isolation transformer is placed between the controller and the motor and connected with the motor by the cable and supplies to the motor to drive the executing unit, the isolation transformer is isolated from the motor and the motor controller sets related power output frequency of the motor according to its working frequency.

Description

technical field [0001] The invention relates to an electric tool, in particular to a power supply system used by the electric tool. Background technique [0002] The power source of the electric tool, that is, the motor, is an indispensable part of the electric tool. The power supply of the electric tool directly supplies power to the motor, and then the motor transmits the energy to the executive parts of the electric tool. The electric tool is the closest contact with the operator. The safety of tools is very important. Therefore, international and domestic standards have made detailed regulations on their safety, especially for electric tools that are in contact with water sources, the regulations are particularly strict. The standards fully reflect the core of people-oriented, Special requirements are put forward for the power supply of electric tools, and detailed regulations are made on its voltage level and corresponding frequency range: [0003] 1. The power supply ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M7/42H02M5/40H02M5/10B25F5/00
Inventor 任雷孙宝奎
Owner 任雷