低功耗无线充电的试验~~

clark

低功耗无线充电的试验~~ [复制链接]

原理相信我们每个人都熟悉，但是真正动手付诸实践，也需要不小的兴趣哦


i'm going to show you how to make your own low-power wireless chargingcircuits that will let you pass electricity through the air (or anyother non-metallic medium) over short distances. This is suitable forwireless battery and capacitor charging and powering of very smallun-buffered circuits (such as a single LED).

clark

原理：











[ 本帖最后由 clark 于 2010-2-24 13:07 编辑 ]

clark

所需器件及设备：

I hate to let a lot of people down, but an oscilloscope is absolutely needed here. Without it you won't be able to tune your horrible handmade inductor and the circuits won't match. These things are really finicky, even if you went with the relatively large bandwidth that my values provided.

If you have access to one, then great! That, a soldering iron, some wire cutters, and pliers are all the tools you need.

As for materials, you will need a few different parts, but nothing too fancy.
Master coil/oscillator:
24AWG enameled magnet wire
Prototyping board
2 150nF capacitors
2 10K Ohm resistors
1 100Ohm resistor
1 100nF capacitor
A bunch of 2N2222 transistors (I used 3, you can use more or less depending on availability)
5V regulator and DC jack to plug it into the oscillator

Slave coil/CW generator:
More wire
Another prototyping board
2 150nF caps
4 2.2uF caps
4 low forward-voltage drop schottky diodes (search digikey for ones with Vf<400mV@1A and Ir<1mA@20V)

clark

线圈和振荡器

clark

Slave Pickup（？）和连续波发生器

clark

组装

clark

参考链接：

K, first off, links to people who have come before me!
Instructables user robotkid249: wireless power transmission over short distances
Instructables user puffin_juice: I need your help. IPT
Robert Coup and Monique Ryan (U of Auckland): Inductively coupled universal battery charger

Now for links from wikipedia (all accessed on or around Dec '09):
Wireless Energy Transfer
Resonant Energy Transfer
Colpitts Oscillator
Resonant Transformer
Cockcroft-Walton Generator
WiTricity
Point-to-Point Construction
Schottky Diode
Stripboard
Secondary Coil: LC circuit resonance

Other links from around the web:
Inductor CalculatorColpitts Oscillator
Common capacitor values

Wireless power links (just fyi):
Neat RGB LED project, similar setup to this one
Using large capacitors and small inductors instead

转自：http://www.instructables.com/id/ ... ferences-and-Links/

lopopo

猛男出手就是精品，顶

crazyk

如果感兴趣的人多，是不是LZ可以考虑组织大家来个开源项目呢？呵呵