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This article introduces you to the five major trends in the development of LED intelligent lighting, the content is very detailed, interested friends can refer to, I hope to help you.

Lighting from tungsten lamp, gas discharge lamp based on traditional lighting into LED lighting based on semiconductor devices, just meet the mobile Internet leap to the Internet of Things IOT era tuyere, the combination of the two, resulting in beautiful reverie and innovation, for lighting people to create a bright future based on the Internet of Things intelligent lighting era.

The Global Lighting Alliance (GLA) has released a Roadmap for Lighting Development, as shown in Figure 1:

Figure 1: Global Lighting Alliance (GLA) Lighting Development Route

Lighting development roadmap (Roadmap) is divided into 5 stages, traditional efficient lighting, LED lighting, intelligent lighting, intelligent lighting that can be upgraded and people-oriented (HcL) lighting, which brings value and attention to lighting. They are: energy efficiency, dynamic adjustability, IOT applications and data analytics, circular economy and user-friendliness. It can be seen that the goal of the development of lighting is human-oriented lighting, not only about the visual effects of lighting, but more about the non-visual effects. For intelligent lighting in the IOT era, more attention is paid to the application of Internet of Things data, upgradable and interchangeable environmentally friendly recycling, and intelligent lighting that can provide services and operations. The following is a road map for GLA lighting development. Analyze several development trends of intelligent lighting:

Trend 1: Intelligent lighting is an important concern. The goal is people-oriented lighting.

The core of intelligent lighting is to provide the correct lighting to the lighting target at the right time and in the right place, including the right illumination, the right color temperature, the right color, the right lighting duration, and the means are lighting switches, dimming, color matching, etc. When providing lighting to people, it is not only necessary to pay attention to the visual effects of lighting, but also more about the non-visual effects of lighting, such as light biological safety, light regulation of people's circadian rhythm, light regulation of people's emotions, that is, more attention should be paid to people's health, including comfort, physiology and emotions. Intelligent lighting should not only achieve: light is what we "see with our eyes," but also what we "think with our hearts and feelings." Take architectural lighting as an example, more attention from green buildings to healthy buildings.

Figure 2: The important focus of smart lighting is HCL: focus on light vision and non-visual effects

Trend 2: The right connection is the first step in intelligent lighting

Intelligent lighting to control lighting, first of all to establish a connection between lighting equipment and control equipment, connection is the first step towards intelligent lighting, in the era of Internet of Things, connected technology is very many, take the following figure as an example, there are bus-based wired technology, there are short-distance wireless connection technology, there are also wide area network wireless technology spanning a few kilometers.

Figure 3: Connectivity technologies in the Internet of Things

In the face of numerous connection technologies, it is necessary to select the appropriate connection technology to connect lighting for different application scenarios.

In the application scenario of smart home lighting, it is necessary to consider the full connection, convenient operation and safety of the overall home equipment, more to consider the networking nodes, complex networking, some nodes such as sensors, remote controls, etc. must also support low power consumption, then ZigBee is undoubtedly the choice at this stage. Bluetooth technology defines Bluetooth Mesh technology based on controllable broadcasting, and its inherited Bluetooth low power characteristics are also worthy of attention in the future. However, if there are not many nodes connected, or if it is a point-to-point simple connection, Wi-Fi or Bluetooth connection can also satisfy the application.

In the application scenario of intelligent buildings, since intelligent lighting systems generally need to be linked with building automation systems, bus-based connection methods in building automation have been widely used, such as KnX, BAcnet or Dynet, which can be used to control lighting. However, for lighting equipment, DALI has become the best choice for lighting connection technology due to its simple and reliable, easy installation and other advantages. Wireless connection mode networking is more flexible, such as ZigBee/thread homologous support IP Fairhair connection technology, because it also has a unified universal application layer compatible with a variety of building automation protocols, in the complex environment of intelligent buildings, the future will become a unified connection mode.

In urban road application scenarios, more attention is paid to the long-distance, reliability and safety of the connection, which can be connected locally using power carrier PLc or short-distance RF, aggregated in the control cabinet or gateway, and then connected remotely through the operator's communication network. After 2017, the development of LPWAn technology, especially the vigorous development of NB-IOT technology in China, makes the connection of street lamps more convenient. nB-Iot will become the most important link for road lighting due to the use of state-licensed dedicated frequency bands and the construction of reliable networks by operators, and other LPWAn technologies such as LoRa, sigfox, UnB, ZEtA, etc. will be useful complements. The perfection of 5G mMtc may unify the rivers and lakes connected by outdoor road lighting.

In China's very hot landscape lighting control application scene, because landscape lighting is to use lighting to reflect the unique characteristics of each landscape or landmark, do not emphasize the lighting function, need to control the dynamic changes of lighting in real time, create atmosphere, lighting The connection communication protocol is generally DMX512/RDM, or Ki-nEt, Art-net, etc.

Trend 3: Upgrade is an essential step in intelligent lighting

Circular economy is a key step in building a harmonious society with resource conservation and resource recycling. With the efficient utilization and recycling of resources as the core, under this big trend, the modularization, upgrading and interchangeability of intelligent lighting will be an essential step.

Taking intelligent road lighting as an example, intelligent road lighting includes intelligent road controllers, sensors, power supplies and light sources. Their modularity can mean that they can be reused. Standardization of connections and installation interfaces between them is a very important step to support circular economy. Modularity and interface standardization can make road lighting smart Ready, especially standardized installation interfaces. It is easy to install or upgrade IoT control technology in road lighting now and in the future. Allows parts to be retrofitted and replaced in the field without removing the fixture and supports widely used dimming protocols such as DALI, 0/1-10V, etc. Zhaga has made long-term efforts in the standardization of LED light source modularization. In order to support the development trend of intelligent lighting, the proposed new Zhaga strategy supports circular economy and defines the installation interface of intelligent road controller (Zhaga book18), which is shown in the figure below. Its small size, low cost, pluggable and interchangeable, which will become the universal interface for the installation of street lamp controllers worldwide.

Figure 4: Upgradable smart road lighting (smart ready)

Development trend 4: intelligent lighting system that can be serviced and operated is the core

The lighting equipment and related sensing equipment are connected by using the communication connection technology of the Internet of Things, and data collection is carried out on human information, environmental information, and operation information of the lighting equipment, and the lighting equipment is controlled according to human needs or sensing information. In the intelligent lighting system, the platform of human-computer interaction, the platform of data processing and the equipment control platform are the core of the intelligent lighting system, which is also the operation platform for providing lighting services. The platform for this operation is generally based on cloud computing.

Figure 5: Intelligent lighting platform that can serve and operate

Taking intelligent road lighting as an example, the road lighting management interactive platform built in the cloud performs parameter setting, safety management, control management interface, environmental information collection for road lighting, and can provide road lighting control management services (switching, dimming, color matching, etc.), asset management (equipment operation status monitoring, rapid maintenance) services, data analysis services (reports, statistics, forecasting), etc.

Figure 6: Intelligent road lighting platform that can serve and operate

Development trend five: beyond lighting is intelligent lighting to intelligent lighting leap development

From a technical point of view, intelligent lighting mainly emphasizes rule-based control of lighting and simple automatic control based on environmental factors and people's needs. Intelligent lighting makes lighting more intelligent, able to think and learn like intelligent creatures, has emotions, makes lighting smarter and more temperature, also needs to combine big data processing technology, and more needs to wait for the perfection of artificial intelligence technology and industry, surpassing lighting itself. Realize the development from intelligent lighting to intelligent lighting.

From the object of connection control, in the era of Internet of Things, everything is possible, intelligent lighting not only provides people with lighting means, but also can interact with other systems, light has become a new intelligent language, providing a broader business beyond lighting.

In smart home lighting, intelligent lighting can interact with other smart home systems such as security system, entertainment system (slightly, TV, etc.), apply AI technology to make the system more intelligent, and make seamless interaction between people, lighting and home equipment (home appliances), making people's life more convenient, richer and safer; In commercial buildings, large supermarkets, ubiquitous intelligent lighting systems can be combined with Ethernet communication infrastructure, intelligent lighting systems and Ethernet Internet of Things Hub systems can be integrated through Power over Ethernet (PoE), and further, combined with visible light communication VLC, providing high-speed and secure Li-Fi wireless communication access, or using visible light location services to make your shopping more convenient and more interesting.

In smart city lighting, give full play to the location resources of street lamps (poles), combine sensors, video surveillance, display screens, wireless communication base stations, charging piles and other equipment, and build a multifunctional street lamp (pole) system as infrastructure, which will play a greater role in the construction of smart cities.

On the other hand, intelligent lighting not only provides human-centered lighting in homes, buildings, and urban roads, but also spans to provide lighting for everything, such as animal and plant lighting. This is also a very broad application field, but more research is needed for different animal and plant lighting light formulas and new lighting metering methods.

About the development of LED intelligent lighting five trends are what to share here, I hope the above content can have some help for everyone, you can learn more knowledge. If you think the article is good, you can share it so that more people can see it.

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