Rotating speed and revolution number display device of electrical tool

A technology of electric tools and display devices, which is applied to portable motorized devices, manufacturing tools, devices using optical methods, etc., can solve problems such as inconvenient operation, reduced service life of electric tools, and poor user experience, and achieve convenient operation, Improve service life and improve user experience

Inactive Publication Date: 2010-06-02
SUZHOU BENTENG PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing electric tools cannot display the rotating speed of the electric tool, so that the rotating speed can only be controlled through the experience of the operator during use, which is inconvenient to operate; Let the operator know in time, it is easy to cause damage to the motor and reduce the service life of the electric tool; at the same time, the existing electric tool cannot display its life, so it is impossible to know the number of times the electric tool is used, the accumulated number of revolutions of the motor when it is damaged, As a result, users cannot judge whether the electric tool is new or old, and judge the quality of the electric tool, and the user experience is not good.

Method used

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  • Rotating speed and revolution number display device of electrical tool
  • Rotating speed and revolution number display device of electrical tool
  • Rotating speed and revolution number display device of electrical tool

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Embodiment Construction

[0014] Below in conjunction with accompanying drawing and specific embodiment the present invention is described in further detail:

[0015] The invention discloses a new type of display device for rotating speed and revolution number of electric tools, such as figure 1 , figure 2 As shown, in the best embodiment of the present invention, the electric tool is a hand-held electric tool, which includes a grip portion 1, and a working head 3 protruding from the housing and acting as a work piece, the working head 3 is driven by the motor 5 arranged in the housing of the electric tool, wherein an impeller 7 for cooling the motor 5 is provided between the working head 3 and the motor 5, and the impeller 7 is fixedly connected to the On the main shaft of motor 5, and keep relatively stationary with the main shaft of described motor 5.

[0016] The electric tool also includes a data conversion circuit board 9 arranged in the housing, and a detection head 91 is electrically connect...

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PUM

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Abstract

The invention provides a rotating speed and revolution number display device of an electrical tool. The electrical tool comprises a working head acting a workpiece, a motor for driving the working head and an impeller arranged between the working head and the motor, wherein the impeller is fixedly connected to a motor shaft. The rotating speed and revolution number display device of the electrical tool comprises a data conversion circuit board, a probe electrically connected with the data conversion circuit board, a display screen connected with the data conversion circuit board and a battery for providing electric power for the data conversion circuit board. A photosensitive mark is arranged on the impeller, and when the electrical tool is started, the probe detects the photosensitive mark and outputs the rotating speed and the revolution number of the impeller to the display screen through the data conversion circuit board. Compared with prior art, the invention has the advantages of convenient operation, service life prolonging of the electrical tool and good user experience.

Description

technical field [0001] The invention relates to a display device for rotating speed and revolution number of an electric tool, in particular to a novel electronic display device for rotating speed and lifespan of an electric tool. Background technique [0002] Generally, electric tools are driven by a motor to drive the working head, so that the working head drives the workpiece to work. However, the existing electric tools cannot display the rotating speed of the electric tool, so that the rotating speed can only be controlled through the experience of the operator during use, which is inconvenient to operate; Let the operator know in time, it is easy to cause damage to the motor and reduce the service life of the electric tool; at the same time, the existing electric tool cannot display its life, so it is impossible to know the number of times the electric tool is used, the accumulated number of revolutions of the motor when it is damaged, As a result, the user cannot jud...

Claims

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Application Information

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IPC IPC(8): G01P3/36B25F5/00
Inventor 汤吉良
Owner SUZHOU BENTENG PLASTIC
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