Market Opportunity Of Industrial Switch In Expressway

Highway is an important part of land transportation, and expressway can meet the demand of rapid land transportation. Through the transportation network composed of provincial roads, county roads and rural roads, it can realize door-to-door transportation and meet the demand of modern transportation convenience. Expressway plays an important role in China's land transportation.

Due to the increasing demand for information and humanized travel services within the expressway, the innovation and development of expressway intelligent system construction is also increasingly important. For the intelligent system construction of expressway, communication is an indispensable and important part. As the infrastructure of the communication system, Industrial Switch is the core of connecting all systems, realizing humanized service and information construction.

The corresponding business of expressway can be divided into toll collection business, monitoring business, office business, telephone business, conference business and video monitoring business. Each business needs corresponding computers to form a LAN. The sub-center is equipped with an industrial switch to realize data exchange with the provincial center or other sub-centers. The sub-center accesses the Internet, and the access equipment is connected to the office business subnet at the same time to realize electronic office.

The whole expressway network is mainly composed of optical fiber ring network, with layer 3 gigabit industrial switch supporting optical fiber ring network as the core. The access points of each station use the layer 2 or layer 3 industrial switches to build the application subnets of each service. VLANs are used to divide the application subnets to meet the requirements of different services.

Most tunnels are the characteristics of China's highways, especially those in the central and western regions. The local controller set at the tunnel portal in the tunnel control system is mainly used to control the fan, lighting, fire pump and other circuits in the tunnel, as well as the brightness detector, variable message board and variable speed limit sign and other facilities. The tunnel site is also equipped with control boxes (cabinets) that provide direct manual control functions, such as ventilation and lighting control cabinets. If necessary, the above equipment can also be manually controlled. The local controller can communicate with the workstation in the central control room through the local control network, upload the local equipment data, issue the control command in the central control room or store the customized control command in the central control room, and the local controller will control the local equipment regularly.

System requirements of expressway for industrial switch

1. Transmit the average speed, maximum speed, minimum speed, traffic flow and lane occupancy detected in each lane to the control center in real time; Real-time release of back-end information;

2. Through reliable optical fiber Ethernet ring network, it has strong recovery ability and ensures stable data transmission;

3. The industrial switch should support high-bandwidth backbone network to ensure the stable transmission of monitoring video and business data;

4. The industrial switch should support VLAN, ACL, QOS and other data processing to ensure the priority transmission of monitoring data;

5. Industrial switch equipment, should support wide temperature, meets the requirements of harsh working environment on industrial site.

The intelligent construction of expressway is an inevitable requirement to adapt to social development, and also an inevitable path for expressway to realize its own development. With the continuous updating and upgrading of modern information and communication technology, network technology, sensor technology and other advanced technologies, the continuous increase of the total mileage of highways, and the continuous implementation of maintenance, upgrading and transformation, it is expected that the market size of China's highway intelligent industry will continue to grow in the future. By 2026, the market size of China's highway intelligent industry will exceed 120 billion yuan, with an annual growth rate of about 13%. At that time, the market opportunity of industrial switch in expressway will be further expanded.