启用因特网的LED允许智能手机控制智能照明系统
我们中的许多人是“物联网”的概念有点怀疑,当它第一次出现在几年前。到底是谁想要一个连接互联网的冰箱或烤面包机?让大楼里的每一盏LED灯上网都有什么意义?答案,或者更确切地说是应用程序,现在变得更加明显了。无论人们是否被“聪明”技术吸引,看着他们的碳足迹,或者仅仅试图通过减少能源消耗来省钱,家庭自动化就是一个新的应用。
持怀疑态度的人会说,家庭自动化已经成为未来几十年的应用程序了。这是真的,但也存在很大的差异,都预示着今天真正的改变。首先,“连接”技术已经无处不在,几乎没有成本损失,即使是作为LED灯或传感器的小型和低成本的设备。
第二,无线网络标准终于稳定下来了。有选择,取决于应用程序,它提供了健康的竞争,并且有广泛的(而且还在增长)的工业支持。这一点的基础是最近推出的IPv6,它提供了寻址能力,使得能够给地球上的任何设备和每个设备提供一个唯一的IP地址。
第三,消费者越来越习惯于通过互联网控制自己的生活和环境,特别是如果通过智能手机可以做到这一点的话。
Figure 1: Residential lighting is a prime target for control via a smartphone, once integrated as part of an internet-enabled wireless network. Photo source: Philips Lighting Controls.
Of course, home automation involves many aspects, including lighting, heating, entertainment, security and energy management, ultimately interconnected via a home area network (HAN)。 This article will focus on lighting control, and in particular, intelligent systems that are internet-enabled, and therefore accessible via gateways, using a smartphone as a control device.
Bringing more sophisticated control to smart lighting systems is useful for several reasons: energy and cost savings, security, comfort, convenience and lifestyle benefits are the obvious appeal in the residential sector. For commercial buildings and both indoor and outdoor civic applications, the focus on lighting control is primarily to deliver increased energy and cost savings and improved security, largely, but not necessarily entirely, driven by government legislation and pressure from international environmental campaigns.
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