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3D全息風扇是什麽

2018-11-22

3D全息風扇是什麽？

首先3D全息風扇并不是我们日常生活中用来吹风的风扇，3D全息風扇是一种用来展示商品的全息投影技术产物，所以3D全息風扇也被叫做全息风扇广告机。那么3D全息風扇是如何来展示商品的，技术原理是什么？

3D全息風扇的工作原理是通过POV技术（利用人眼视觉暂留因素而开发的一项视觉交互技术），将一列或者多列LED紧密的排列在一起，然后通过风扇转动来进行三维成像。我们人在观看事物时，这个事物的影响会在我们的视觉神经停留1/24秒，这1/24秒是视觉神经将我们人眼所看到的图像传输到大脑的时间，就好比我们手机或者电脑上传一张图片到网上一样需要一定时间。通过上面的时间数据，就能知道我们人眼看事物时的帧率为24帧，那3D全息風扇的运行帧率也就是24帧左右了。

当3D全息風扇运转的时候，只有有图像展示的LED才进行工作，没有需要用到的LED不进行工作，因为这样，我们的大脑无法分辨黑暗无关的地方，所以我们看到的就只是展示出来的图像，如果放置的是三维图像，那么显示出来的效果也就是悬浮在空中的三维立体图像了。

3D全息風扇的操作也十分簡單，只需將制作好的圖像上傳到控制電腦上或者其他終端設備上，就能在控制設備上面進行圖像切換了，用戶可根據自身喜好開發對應切換的App、微信小程序或者直接用中控電腦進行操控。

3D全息風扇因为其易于安装、空间占用面积小、操作简单、使用寿命长、功耗低、成像效果优质等优点，目前被用于许多公共场所，在大型商场、健身房、展厅、电影院等都有它的身影。

文章作者：炫之风如有转载请注明出处，违者必究！

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