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Electric planer load display device

A display device and load technology, which is used in the manufacture of flat surface processing machines, wood processing appliances, manufacturing tools, etc., can solve the problems of tool damage, dull blade, overload, etc., and achieve extended service life and good quality. Effect

Inactive Publication Date: 2013-07-24
苏州宏基工具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Woodworking electric planers, in the actual use process, often encounter overload, cutting too deep and too fast, and the blade is too blunt, which will directly cause damage to the tool and reduce the service life, and will damage the use of wood at the same time.

Method used

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  • Electric planer load display device
  • Electric planer load display device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0017] Example: such as figure 1 figure 2 As shown, the AC230V power supply is divided into two circuits through the switch K1. One route is composed of a resistor R1, a capacitor C1, a rectifier DL1, a voltage regulator diode D1, and an electrolytic capacitor C2 to form a DC stabilized voltage power supply. After the voltage is stabilized, the reference power supply is formed. The reference power supply is divided by the resistor R3 to form a reference voltage for the comparator IC1. At the same time, the reference power is divided by the resistor R3 and the resistor R4 to form another reference voltage for the comparator. IC2; the other circuit includes motor M, transformer T1 primary, transformer T1 secondary through rectifier DL2, resistor R6, electrolytic capacitor C4 to convert the current signal into a corresponding voltage signal, and compare IC1, comparator IC2 with the corresponding reference voltage A comparison is made; the corresponding LED is lit according to t...

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Abstract

The invention discloses an electric planer load display device. The device comprises a power supply current sampling module, a motor current sampling module, a comparison module and a display module, wherein the power supply current sampling module is connected with a power supply, converts the power supply to reference voltage for comparing; the motor current sampling module is connected with a motor, and converts the current in the motor into a voltage signal for comparing; the comparison module is connected with the power supply current sampling module and the motor current sampling module, and compares the voltage signal outputted by the motor current sampling module with the reference voltage; and the display module is connected with the comparison module, and indicates a comparison result through a corresponding light. Through the electric planer load display device, the phenomena of overload, over deep, over speed, and passive blade in a working process can be intuitively observed by displaying LED lamps in different colors, a user is correctly guided to reasonably adjust the using mode so as to prolong the service life of the tool, and the workpiece has higher quality.

Description

technical field [0001] The invention relates to an electric planer, in particular to an electric planer load display device. Background technique [0002] The electric planer is a hand-held electric tool that is driven by a single-phase series motor through a transmission belt to carry out planing operations. It has the characteristics of high production efficiency, flat and smooth planing surface, etc. Widely used in house construction, housing decoration, carpentry workshops, field carpentry operations and vehicle, ship, bridge construction and other occasions, for plane planing, chamfering and cutting of various woods. Woodworking electric planers, in the actual use process, often encounter overload, cutting too deep and too fast, and the blade is too blunt, which will directly cause damage to the tool and reduce the service life, and will damage the use of wood at the same time. Contents of the invention [0003] The purpose of the present invention is to provide a to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B27C1/14
Inventor 陆朝晖
Owner 苏州宏基工具有限公司
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