第23章 成套电气设备
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祁连山跟着梁远迈进器件实验室的侧门,器件实验室和芯片、燃机实验室一样,也是采用了大面积的透明穹顶,日光从实验室顶棚的特制玻璃处洒下,照在车间浅绿色的防尘地面上散射着青翠的反光,给人以一种踩在草地上的错觉。龙腾小说网ltxsba.com
梁远从大衣兜里又掏出一张卡片回手插在门边的一个卡槽当中,伴随着一阵低沉的“嗡啪声”,挂在屋顶承重结构上的数排高压灯亮了起来,本就采光良好的车间顿时变得纤毫毕现。
祁连山看了看那张插在卡槽中的卡片好奇的问道:“刚才开门也是用的这个吗?”
梁远伸手从大衣口袋里拿出那张开门的卡片递给祁连山,说道:“不一样的,开门的是浅蓝色,供电的是浅红色。”
祁连山接过那张浅蓝色的卡片,在手中翻滚了几次,和插在墙上卡槽的浅红色卡片一对比,祁连山才发现浅蓝色卡片的厚度大约能有四、五毫米,远远厚于浅红色卡片
“小远,这张两张卡片的厚度不一样啊”祁连山问道。
“呵呵,老祁有没有发现这两张卡片使用方法不一样。”梁远说道。
祁连山略一沉吟才想起来,梁远进门时卡片和镶嵌在门边感应装置根本就没有接触,只是晃了晃门锁就应声而开。
祁连山指了指插在卡槽内的浅红色卡片说道:“一个和感应器不用接触。一个得和感应器接触。”
“老祁观察的还是很仔细的嘛。”梁远说道:“浅蓝色的是芯片实验室弄出来的叫做射频识别的新技术。浅红色的卡片是国外比较流行的ic卡。”
射频识别技术起源二十世纪三十年代,随着飞机这一新型战争工具投入使用,在天空中如何分辨敌我成了一个难题,当时的世界第一强国大英帝国创造性的将类似于电子标签的设备贴在飞机上,当发射特殊频段的电磁波进行扫描时,贴上标签的飞机会反射回相应的信号,没贴标签的则没有任何信号回馈,这样就把敌我简单的区分了出来。
随着科技的进步,射频识别的理论逐渐发展完善,设备也越来越小型化。等迈入八十年代末期,国际的主流大厂已经能把射频电波的发射和接收集成到小小的芯片之上。
南湖科技园做这个,最开始是为了在机头上显示机车信号,解决司乘人员在了望条件恶劣的情况下。准确得知信号机所显示信号的问题。
等到梁远介入同盛京信号厂之间的合作,搞出ltcs系统之后,轨旁的应答器成了整套系统的核心,因此作为应答器核心的射频技术更成了重中之重,王欣带着科技园经过七拼八凑之后,约有五十人的研发团队,只用了半个月就用的分离器件把射频芯片和接收芯片的大部分功能模拟了出来,可惜由于电路整体集成度不高,才使得梁远手中那张内藏接收芯片的浅蓝色卡片厚度超标。
“老祁,浅蓝色卡片其实是个信号应答装置。能把射频发射装置发出来的电磁波转化成电流,经过内部运算后变成一组特殊电磁波在发送回去,和发射装置进行匹配,若是匹配正确应答器就会发出信号控制门锁打开。”
“小远,这张浅蓝色的卡片和墙上那个浅红色的卡片以后能整合到一起去吗?”祁连山问道。
“最近芯片实验室正在努力提升卡片各部件的集成度,和完善整套系统的抗干扰能力,暂时没有精力把这两个东西整合到一起,难道老祁有什么新想法?”梁远笑着说道。
“这东西和我在香港住宾馆时,遇到的磁卡式门卡很像啊”祁连山略带惋惜的说道:“刚才我看到这东西的第一眼就想到筹备中的香格里拉酒店了,用卡片取代钥匙。客人像你刚才那样轻轻一晃就能进到房间,在国内是多么现代的一件事情,宾馆的档次至少能提高半个等级,还有退房时直接拔卡,相当于房间自动断电。对于宾馆营运来说也会节省许多不必要的支出。”
听祁连山说完,梁远心中暗自点头。看来祁连山知道自己负责嬉水乐园和宾馆的项目之后,最近没少下工夫,否则不会这么快就看出来这套系统的应用价值。
“老祁,你比老苏强多了,前些时我让他搞这套系统,他还不情不愿的呢”梁远笑着说道。
相对于单片机来说,梁远手中这张浅蓝色的卡片要简单许多,一般来说八十年代的ic卡,其实就是把单片机的储存器直接拿出来进行单独应用,对于苏良宇来说这玩意是一点难度都没有东西,只不过是把ht680单片机的存储器单独拿出来,配上外围电路使其能工作,最后在换个加密算法,虽然限于条件大规模制造是不可能的,但用实验室设备制备出几百个还是比较轻松的。
在梁远看来ic卡的核心芯片是万万不能放过,若干年后国内在这方面的使用量都是以十亿二十亿规模计算的,对于科研来说最难的就是不知道成果到底用在哪里,大规模推广后能不能被市场所接受,就科研成果的实际转化率来说,十件里也就有一到两件能转化为实实在在的金钱,剩下的基本都是废材,而对于梁远来说科研根本就不存在浪费。
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