- 07 - 20 2017-07-20
hit count: 61
1. Each expressway is provided with a monitoring center building in its managed section. The monitoring center is usually located at the entrance and exit of the expressway, and it is also located at the center of the management section. The center is generally equipped with a large map board and a monitoring television system, and is equipped with a multi-screen switching control device, a video monitor, a low-speed video recording device and an automatic conversion device. The center is equipped with a computer network system, responsible for managing the tolling information of various toll stations, the control of emergency telephones, the control of highway entrances and exits and the large electronic display screens in the middle, and the control of small electronic reminders along the highway. The center building also has a variety of electronic equipment such as program-controlled switch system, center console, two or four 8Mbit / s interfaces for optical cable communications, electrical terminals and Internet access equipment, wireless telephone systems, UPS power supply systems and so on. 2. Each toll station is equipped with optical cable communication equipment, a computer local network for toll collection, toll station signal light control system, monitoring, camera, recording system, control console, telephone console, wireless intercom telephone, etc. 3. Each toll booth is equipped with a dedicated computer for the computer network system workstation, a toll ticket printer, a toll indicating board, an indicator light, a lane control machine, an automatic railing, a voice prompt system, an automatic counter for vehicle transit, an intercom phone and air conditioning. And power supply systems. 4. Multiple monitoring cameras are set up along the highway and toll station square. The video signals of the cameras are transmitted to the central monitoring room through optical cables, coaxial cables, symmetrical cables or through a microwave transmission system to facilitate monitoring. The control center grasps the running conditions of vehicles along the highway, which is convenient for command and dispatch. 5. Road LED signs. LED signs publish real-time information on highways and are located in an open environment. The control signal line is generally composed of optical fiber.