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The development of Intelligent city can't leave it

  • Source:net
  • Release on :2018-01-25
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      With the rise of the concept of intelligent city, the major enterprises around the intelligent city related to the layout of the field. The importance of street lamps as a ubiquitous infrastructure in cities is self-evident. So what will the future of intelligent lighting bring to the street lights? What does it mean to build a smarter city? In this article, Deutsche AG (German: Deutsche Telekom AG) machine, vice president of the Center for machine capabilities, Jürgenhase, said that smart streetlights will become the foundation of the Municipal network, providing services in the areas of parking control, garbage management and traffic flow.

      Next-generation street lighting will be networked. Cities around the world are already experimenting with intelligent lighting systems that can be remotely controlled. Not only can reduce the cost of electricity, but also can achieve demand-driven lighting, reduce carbon dioxide emissions. The current design is even further: experts regard "Networking Lights" as the "nodes" of the Intelligent City multi-function communication network.

     Now, the main use of street lights is lighting. However, future streetlights will play more functions. For example, when the bins are full, the streetlights will notify the garbage collection service center, or record traffic changes, and enter the data into the Intelligent Transport system (ITS). Street lighting will no longer be an isolated area, but a part of the networked urban infrastructure.



      This vision is based on the rise of the Internet of Things (IoT) and the concept of intelligent cities. Every conceivable object and location can be networked: automobiles, containers, streetlights and parking lots, even watches, glasses and pens. They can measure various parameters in the environment, or they can digitize day-to-day work. The core of this change is the automatic exchange of data between machines (Machine-to-machine) communications, networked devices, or between control centers.

      Smart city solutions are considered key to reducing energy and maintenance costs, complying with climate protection regulations and providing better services to the public. Intelligent streetlights play a central role in this respect. In fact, in many cities, street lighting problems accounted for about 20% of the public complaints, intelligent system can make maintenance process automation. Plus led, programmable lighting management system can reduce the cost of urban power by 70%.

Not just artificial light.

      What does the machine communicate to the machine (machine-to-machine)? Here are some examples. For example, in the industrial field, Machine-to-machine is used for remote maintenance of machines and equipment. Technicians can see the condition of worn parts at a distance. Alerts are automatically issued to employees whenever an error occurs or the system detects a preset pattern. This enhances the transparency of production, maintenance and resource use. Intelligent lighting systems offer similar benefits. In order to identify defective lamps, there is no need to rely on night patrols or public complaints, the system can display the status of network lighting in the center.

      When everything around us is intelligent, they function more. In Boston's parks, for example, there are intelligent benches that allow people to recharge smartphones and tablets. At the same time, these park benches also measure environmental factors such as air quality and noise levels. Therefore, the function of these benches is not just to provide seats. They become "charging stations" and "gauges." Similarly, connected streetlights are not just electrical appliances for lighting, they are nodes in a multifunctional network.

The basic structure of intelligent illumination

       What needs to be met for intelligent Lighting solutions to act as a multifunctional network? Its basic structure must conform to the current diverse market solutions. First, technicians need to install a luminaire equipped with electronic equipment, either in a small box outside the street lamp or in a luminaire. Alternatively, the lamp manufacturer should integrate the hardware directly. Of course, some old model lights may need to be updated to more efficient LEDs. Once upgraded, these lights can be integrated into a short distance network.

       In addition to the hardware in the luminaire, mobile communication gateways are also used for long-distance exchange of data. These can be connected to street lights or placed in distribution networks. Typically, they are fixed so that each gateway can reach the maximum number of nodes. Receives information from a node and forwards it to the server infrastructure or local server in the cloud. Similarly, the gateway sends control instructions back to the node and directs the switch or dimming.

"Neural pathways" in intelligent cities

       A combination of nodes and gateways produces a two-tier network. The node narrowband network is used for sensor applications, such as intelligent metering. Gateway broadband networks apply to data-intensive applications, such as the use of video cameras for traffic monitoring. The mesh network forms the network topology. Each node is connected to one or more other nodes. In general, mesh networks can be self-healing and therefore have high reliability. Whenever a node fails, the network automatically forwards data through other nodes.

       IP standards will be the basis for data transfer. Objects and locations have IP addresses, so they can be clearly identified. IPV6 Internet Protocol is considered to be an important prerequisite for IoT and smart city. It extends the address space from 232 to 2,128 unique addresses compared to previous protocol IPv4, ensuring that the network city has enough address space. IPV6 Low-power Wireless Personal Area Network Protocol (6LoWPAN) is also particularly promising. As an energy-efficient short-range radio technology, 6LoWPAN is especially suitable for sensor networks.



Operating

       In addition to data transfer standards, interoperable management system software is also critical. Most intelligent lighting solutions provide web-based portals through which you can program and manage related lights, such as setting the cycle for light to turn on and off. Once combined with the brightness and motion sensors, you can set up more complex situational patterns, such as brighter days and darker lights, and only when the motion sensor detects someone passing, the light is turned on.

      To support more intelligent city applications, urban lighting management software must not be closed and should be extended through third-party applications. Ideally, cities should implement a management portal that is not limited to application, and can provide docking points for government agencies, citizens and the private sector.

Requires cooperation from all parties

      Aside from funding, the obstacle to a smarter city solution is to straighten out relationships. Needs the cooperation of different professions, have different ability, especially intelligent illumination system. In addition to traditional lamps and lanterns manufacturers, hardware manufacturers, software vendors and connection service providers are also involved. However, negotiating individual contracts with each participant can be very difficult for the customer-especially if you have to ensure that the components you use are compatible.

      To speed up the process, international mobile operators such as Deutsche Telekom will enter the market. This foundation is an extensive network of partners covering all areas of the network ecosystem. Old streetlights, for example, are a challenge. To upgrade these streetlights, specific components and expertise are required. Partner networks include small companies that specialize in repairing historic streetlights and related crafts. Cooperation is the key to networked cities, and smart street lamps are a promising starting point.

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