The standards for intelligent highway LED traffic guidance display screens mainly include product parameters, product configuration, and relevant national or industry standards. The following are the detailed standard contents:
I. Product Parameter Standards
LED Chips: Uses LED chips specifically designed for traffic applications to ensure the brightness and stability of the display screen.
Screen Lifespan:Up to 100,000 hours, ensuring long-term stable operation.
Pixel Pitch:Offers various specifications such as P16, P20, and P25 to meet different display needs.
Noise Rate:Less than 1/10000, ensuring clear display effects.
Display Size： Customizable according to customer requirements, flexibly adapting to various scenarios.
Insulation Resistance: Greater than 100MΩ, ensuring electrical safety.
High Voltage Resistance Test: Withstands 1500V/50Hz AC voltage for 1 minute without breakdown, passing the test.
Display Colors: Single yellow, dual-color, full color, or customized according to customer requirements, enriching display content.
Impact Resistance Test: Passes the test, ensuring the durability of the display screen in harsh environments.
Vibration Resistance Test: Passes testing to ensure the display screen's stability under vibration.
Display Brightness: Greater than 10000 cd/m², ensuring clear display under various lighting conditions.
Brightness Adjustment: Supports manual or automatic multi-level brightness adjustment to adapt to different ambient light conditions.
Viewing Distance: Static up to 300M, dynamic up to 250M, meeting long-distance viewing needs.
Protection Rating: IP65, dustproof and waterproof, suitable for outdoor environments.
II. Product Configuration and Execution Standards
Control System: The main control system drives the traffic screen to communicate with the monitoring center, ensuring real-time information updates.
Brightness Adjustment System: Controls the traffic screen brightness according to ambient light, achieving energy saving and comfortable viewing.
Power Supply System: Uses a centralized distribution box, equipped with imported professional surge protectors and signal surge protection devices to ensure power safety.
Remote Power Switching System: Features remote and step-by-step switching functions for convenient management and maintenance.
Communication Module: Supports multiple communication methods such as RS-485, RS-232, and Ethernet to ensure stable and reliable data transmission.
LED Variable Message Display:
Standard: Complies with GB/T 23828-2009 standard for LED variable message displays, fully compliant with international design, production, and testing standards.
Traffic Sign Display: Complies with GB 5768.2 standard, ensuring accurate display dimensions of text and graphics on traffic signs.
Chinese Character Display: Complies with GB 2312 standard, ensuring standardized display of Chinese characters and numbers.
Environment Protection Rating: IP65 protection rating, ensuring stable operation of the display screen in outdoor environments.
Communication Interface and Procedures: Complies with JT/T606.1 and JT/T606.3 asynchronous standards, ensuring data transmission compatibility.
