Application of LED display technology on Expressway

Variable information board and variable speed limit sign

The variable information board and the variable speed limit sign are the important information of the intelligent transportation system, which is controlled by the computer through the communication network. To different road conditions and various traffic information timely release of different sections of the driver, and the traffic laws, traffic knowledge propaganda, to reduce the reproducibility of highway congestion, reduce the impact of non recurrent highway accidents, improve traffic safety; so as to effectively ease the traffic, improve the efficiency of the use of the highway. Highways that can be used on highways and on general roads, especially highway entrances and exits.

The system consists of: the variable information board and variable speed limit sign system is composed of main control computer, communication network converter, display, control card and built-in control system, chassis, frame, electrical protection and lightning protection device, safety cable connector, paired modem, installation required power and signal engineering etc..

Two, car screen (mobile traffic information screen)

Road construction and maintenance caused by lane closed or reduced, the construction of personnel departments in charge of highways, is already booked, but for most road users is still unpredictable events, so the traffic guidance screen told the driver or passers-by is very important. Fixed variable situation is limited to the blackboard road construction site not fixed characteristics and not easy to play, while the car screen (mobile traffic information screen) is a kind of variable situation board, it has a compact and flexible lightweight, suitable straight installed in the trailer carrying cars, can be placed directly whenever and wherever possible display at the target site to compensate for the lack of fixed and variable information board.

The system consists of a control computer, a control box, a display screen, a built-in control system, a chassis, a frame, a truck, a solar cell, a storage battery, a cable safety connector, etc.. Operation can be induced by the computer to download information display, can also be used by information downloaded to the control box, the control box to transmit data to the display screen, generally used when using the latter is easy to carry, and the control box can also be downloaded to edit text information display.

Three, guide plate

In order to ensure the highway construction personnel and vehicle safety, but also to protect the use of highway personnel and vehicle safety requirements, safety management departments of transportation, highway signs vehicles must be installed with the eye-catching, it guide subsequent vehicles to avoid accidents and warning, the. The warning signs on the highway is the construction of the necessary equipment for the operation of the vehicle.

Only fully take into account the above points of design, manufacture of warning signs, it is called a warning sign in line with the requirements of the times.

Source: Tranbbs.com