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第393章 灯泡(1 / 1)

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只要把一棵竹子的薄片从纵向切成极细的条状,然后弯成他们想要的发夹形或环状,然后把它们身上覆盖上碳粉,在炉子里以极高的温度加热几个小时,然后让它们自然冷却。

在这个过程中,竹条从最初的纤维素结构转变为纯碳结构,然而,竹丝的长度只能是竹子的两个关节之间的距离,这自然就限制了灯丝的长度,从而限制了碳丝灯泡的亮度。

炭化竹丝制成的灯泡燃烧起来并不比蜡烛亮多少。

在一根木棒中间绑上两块磁铁,用透明胶带缠紧。把绑有磁铁的木棒穿在绕线圈里面,形成一个卷轴。

转动木棒,带动磁铁转动,这样线圈里的磁通量发生变化,就会产生电流,可以看见通电的炭化竹丝就会发亮,然后就会燃烧,有了那么一瞬间发亮。

没有玻璃罩,通电后暴露在空气中的炭化竹丝,在氧气的加持下在发亮的一瞬间就燃烧了,虽然只有那一刹那的光明,这也说明我们的发电机制作是成功了。

玻璃很好制作,以前工业区烧制水泥时,就烧制出成块的玻璃,当时因为感觉那玩意没有用,都没有管它,篌听说加个玻璃罩就能使炭化竹丝一直发亮,不用我说,他就派人去把以前工业区不小心烧制成的玻璃团,都给拿过来了。

篌的研发基地本来就有炉子,玻璃的软化温度大约是在600摄氏度左右,把玻璃团放在炉子里加热,到其软化,取出一小团,用事先准备好的铁管使劲吹,就像吹气球一样很快就吹成了一个玻璃空心球。

把事先加工准备好安装上炭化竹丝的木塞,在热水里给它装上(在热水里安装主要的目的是去除玻璃空心球内的空气,达到相对的真空化),这样一个简单的电灯就制作成功了。

然后连接上我们的简易发电机,转动木棒,灯泡终于亮了,而且这个灯泡可以持续亮,只要不停地转动木棒,虽然亮度不是太高,还没有燃烧的蜡烛亮,分析其原因,一个是灯丝材料的局限,另一个是玻璃的纯净度不够。

没有办法目前,我也只能做到这个程度,只好告诉篌,电灯是以后夜晚的主要照明工具,现在虽然不是很理想,只要坚持改进,就一定会取得预想不到的效果。

现在让篌研究发电机,比他现在研究的飞机课题,要靠谱的多,我把粗糙的发明雏形弄出来让他在此基础上改进,看他的专研劲头,我还是抱有很大的期望的。

离开篌的科研基地时,我告诉篌,发电机发电的电量与发电机的规模有关,我们咱现在做的是最小的,还有转动木棒,也可以不用人力,可以参考我们的水车和水磨,最后我告诉篌搞研究不能闭门造车,要多出去走走,和别人交流沟通,发明创造是需要灵感的。

我的这番话,被篌听进去了,我们国家的第一座水力发电厂在半年后终于被他给弄出来了,第一次他做出来的灯泡也是大的,有一个篮球大,挂在我们原来部落的山洞里,通上电后,就像一个小月亮一样,能把整个山洞照亮。

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