Electrophorus and ESD detector experiment 靜電起電盤, 靜電偵測試驗


short URL, http://wp.me/ph3BR-16Y

實驗, 靜電檢測可以有很多現成小工具, FET 電子式, 或者是就純粹一條細銅線或鐵絲都可以演示
nEO_IMG_FET_ESD_detector_experiment

 

這個 是 FET 版本 和 細銅線 版本 的合體, 拿塑膠尺和自己的頭髮磨擦, 理論上帶負電荷, 靠近細銅線做的天線, LED 亮, 同時天線也被吸引而轉動. 小學實驗用碎紙,

難以比較, 但是細銅線有一定重量, 能被吸附, 足以證明靜電吸附力量的強度, 甚至小的鐵釘或迴紋針頁可以被吸住.

 

Materials:
自己的頭加上頭髮
塑膠尺, x1
FET, 2N5458 or 2N5461A, x1
1M 電阻, x1
LED, 任何顏色, x1
1.5V 電池, x1

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schematic, tested, copied here, http://www.eskimo.com/~billb/emotor/chargdet.html

nEO_IMG_FET ESD detector
video
h_ttp://youtu.be/6dzMDLHMDtY

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another circuit, not test yet, but it should works

nEO_IMG_CD4011 CMOS ESD detector

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起電機設計

quote http://www.exploratorium.edu/snacks/charge_carry/index.html

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Charge Carrier

Store up an electric charge, then make sparks.

Are you tired to electrostatic experiments just because it does not work?

This experiment will produces a spark that you can feel it, see it, and hear to it.

To rubs a Styrofoam plate by wool to build up some electrostatic charge, then contacts an aluminum pie pan, the pie pan will be electrostatic charged.

The entire apparatus for charging the aluminum plate is called an electrophorus, which is Greek for charge carrier.

An even larger charge can be stored up in a device called a Leyden jar, made from a plastic film can.

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REF:

http://www.exploratorium.edu/snacks/charge_carry/index.html
Electrophorus and Accessories 靜電起電盤及配件
http://www.ece.rochester.edu/~jones/demos/electrophorus.html

Shonosuke Kamachi, 日本人發明的最新型靜電起電盤
http://www.ece.rochester.edu/~jones/demos/kamachi.html

短片
http://blog.ilc.edu.tw/blog/blog/1185/post/2917/252591

Moving Charge Sensor CD4001
http://www.ece.rochester.edu/~jones/demos/ahern.html

RIDICULOUSLY SENSITIVE ELECTRIC CHARGE DETECTOR, 3V battery, LED and a 2N5484 FET or 2N5461A FET
http://www.eskimo.com/~billb/emotor/chargdet.html

Electronic Field Disturbance Monitor
http://www.imagineeringezine.com/e-zine/efield.html

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