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Electrostatic discharge protection structure of electronic device

An electronic equipment, electrostatic discharge technology, applied in the field of electrostatic discharge response structure, can solve problems such as the increase in the number of components, and achieve the effect of improving electrostatic withstand voltage

Inactive Publication Date: 2007-10-31
MITSUMI ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in this case, the number of parts increases

Method used

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  • Electrostatic discharge protection structure of electronic device
  • Electrostatic discharge protection structure of electronic device
  • Electrostatic discharge protection structure of electronic device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] FIG. 1 shows an electrostatic discharge countermeasure structure 10 of an electronic device as Embodiment 1 of the present invention. FIG. 2 shows the front panel 12 and the power button 11 in exploded view. FIG. 3 is a diagram in which the contours of the power button 11 and the front panel 12 (indicated by solid lines) are superimposed on the outlines of the conventional power switch 1 and the front panel 2 in FIG. 6 (indicated by double-dashed lines).

[0027] Reference numeral 11 is a power button for pressing operation, reference number 12 is a front panel, reference number 13 is a printed circuit board, and reference number 14 is a power switch. Both the power button 11 and the front panel 12 are made of synthetic resin and are electrically insulating. The printed circuit board 13 is disposed close to the front panel 12 on the back side of the front panel 12 . The power switch 14 is installed on the printed circuit board 13 and is located inside the power button...

Embodiment 2

[0039] 4 and 5 show an electrostatic discharge countermeasure structure 10A of an electronic device according to Embodiment 2 of the present invention. The difference between this ESD countermeasure structure 10A of electronic equipment and the ESD countermeasure structure 10 of electronic equipment shown in FIGS. 1 and 2 is that the shape of a power button 11A is different. The power button 11A has a protruding portion 11g protruding outward from the front end of the flange portion 11b, that is, the front end of the outer wall portion 11d. The protruding portion 11g is opposed to the inside of the front panel 12 .

[0040] Therefore, the gap 15A starts at the edge of the opening 12a at A1, passes through the point A2, reaches the point A3, and then continues to extend to end at the point A4 at the end of the protruding portion 11g. The distance L3 of the gap 15A is longer than the distance L2 of the gap 15 in the electrostatic discharge countermeasure structure 10 of the ele...

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Abstract

The present invention aims to increase the electrostatic withstand voltage of a part of a power button of electronic equipment. The power button 11 has a power button body 11a, and a rectangular strip-shaped flange part 11b, and has a shape where a groove part 11c along a circumferential surface of the power button body 11 is formed on the X2 side of the flange part 11b. A front panel 12 has a shape having a rectangular frame-shaped surrounding rib part 12b projecting in the X1 direction along the edge of its opening 12a. The groove part 11c and the surrounding rib part 12b are fitted to each other, and a space 15 has a long distance L2, whereby the electrostatic withstand voltage is increased.

Description

technical field [0001] The present invention relates to an electrostatic discharge countermeasure structure of an electronic device, and more particularly, to an electrostatic discharge countermeasure structure of an operation part portion of a front panel of an electronic device. Background technique [0002] FIG. 6 shows the structure around a power button of a conventional electronic device. Mark 1 is the power button, Mark 2 is the front panel, Mark 3 is the printed circuit board, Mark 4 is the power switch. Both the power button 1 and the front panel 2 are made of synthetic resin and are electrically insulating. Other electronic components are also mounted on the printed circuit board. [0003] The power button 1 is configured to be fitted into the opening 2a of the front panel 2, and when the operator presses the power button 1 with fingertips, the power button 1 is displaced in the X1 direction, and the protruding portion 1b presses the power switch 4, so that the p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05F3/04H05F3/00
CPCH05K9/0067
Inventor 实藤佳樋则芳野茂荒田寅夫
Owner MITSUMI ELECTRIC CO LTD