Led variable information sign for road traffic guidance

MATERIAL REQUIREMENT MATERIAL PROOF SHEET: under the condition that the structure of the Shell and the frame of the product is stable, it is appropriate to use the light material that conforms to the relevant national standards, so as to reduce the weight of the product itself; M C D: Light Intensity of Red Tube is 300m c d; light intensity of Green Tube is 600m c d; light intensity of Blue Tube is 200m C D: Light intensity of single tube is 11.5 ° ; light intensity of Green Tube is 11.5 ° ; light intensity of Blue Tube is 11.5 °

Modular rocket: The display screen shall be a detachable Modular rocket, the text on the display screen, the structural size of the pattern should meet the requirements of GB5768.2 design brightness cd/m2: The design brightness of the graphic symbol to achieve white balance or the maximum design brightness of the text symbol should not be less than 8000cd/m2

The appearance quality component is complete, the assembly is firm, the structure is stable, the corner transition is smooth, does not have the Burr, does not have the BURR, the installment is convenient, the shell and the connection piece’s protection layer color is even, does not have the scratch, does not have the crack, the inorganic body naked and so on flaw; The control box is installed correctly and firmly, the wiring in the box is neat, the box lock is waterproof and rust-proof, the box door is convenient to open and close

CHROMATICITY PERFORMANCE CHASSIS: the color of the chassis should be in line with the national standard paint color card 510 blue gray display substrate: Matt Black, chromaticity coordinates should be in the standard range; Luminance factor ≤0.03 Pixel non-luminous color: black or colorless pixel luminous color: red-chromophore coordinates shall be within the scope of the standard green-chromophore coordinates shall be within the scope of the standard blue-chromophore coordinates shall be within the scope of the standard yellow-chromophore coordinates shall be within the scope of the standard white-chromophore coordinates shall be within the scope of the standard chromophore graphic symbol luminance level control: The chromophore symbol shall control not less than 16 levels of luminance for three primary chromophore luminous pixels

Visual Recognition Angle: 30 ° Static Recognition Capability: 250 M Dynamic Recognition Capability: Visual Recognition Distance: 210 M luminous uniformity: 10% refresh frequency of PIXELS, HZ: 100 Hz

Electrical Safety Performance Insulation Resistance: 100ω Electrical Intensity: 50Hz frequency, 1500V SINUSOIDAL effective value between the product power supply terminal and the chassis, lasting 1 min, connection Resistance Without flashover or breakdown: Connection Resistance of grounding terminal to chassis ≤0.1 ω power supply adaptability: VOLTAGE FLUCTUATION ADAPTABILITY: under AC 220 × (1 ± 15%) v condition, the product should be capable of reliable frequency fluctuation adaptability: in 50 HZ ± 2 Hz conditions, the product should be able to work reliably

STRUCTURAL STABILITY PERFORMANCE FORMAL BALLAST: Geometric deformation ≤2mm inverse ballast: Geometric deformation ≤2mm

Communication Interface and procedure interface: 9-pin or 25-pin RS-232C negative socket and 4-pin RS-485 positive socket communication mode: Asynchronous, full duplex

High temperature resistance product power-on status, at + 55 °C, test for 8 hours, the product should start normal, logic correct

Under the condition of-40 °C and test for 8 hours, the product should start normally and the logic is correct

Under the condition of + 40 °C, relative humidity (98 ± 2)% , test for 48h, the product should start normally and the logic is correct

The mechanical vibration resistance product is controlled by 3.5 mm amplitude at 2 hz-9 Hz, 10 m/s 2 at 9 HZ-150 Hz, and 20 cycles at 2 hz-9 hz-9 hz-9 hz-2 hz, structure is not affected, no loose parts salt fog corrosion resistance performance: product Shell anti-corrosion layer and pixel support bottom plate placed in the salt fog box for 168 hours, there should be no obvious corrosion phenomenon, metal components without red rust point.

FUNCTION: Display Content: should at least display all the Chinese and digital characters specified in GB2312, and can control all-bright and all-out manual function: When out of system control, the display self-checking function can be controlled manually: The main control unit can be controlled through the serial interface, security Command display self-check function: The working conditions of each Pixel, communication interface communication performance and other units of the state correctly detected, display and upload dimmer function: The luminous intensity of pixels can be adjusted according to the ambient illumination. cd/m2 detection value red (105 ± 10) CD/M 2109 green (180 ± 10) CD/M 2180 blue (70 ± 10) CD/M 273 yellow (150 ± 10) CD/M 2149

The protection grade of the enclosure shall not be lower than IP56 according to GB7000.1

Under the condition of power-on operation, the resistance to temperature alternation is put into the temperature alternation test box, after being kept at 70 °C for 2 hours, transferred to the low temperature-40 °C test box for 2 hours within 3 minutes, transferred to the high temperature test box within 3 minutes, and so on for 5 times. At the end of the test, the product should be started normally with the correct logic.

Weather-resistant products of the Shell anti-corrosion layer, pixels and supporting the bottom plate after two years of natural exposure test by artificial accelerated aging test accumulated energy up to 3.5 x 10? After KJ/m2, the appearance of the product should not fade, pulverize, crack, dissolve, rust and other aging phenomena, the Mechanical Mechanical property retention rate of non-metallic materials should be more than 90% under normal working conditions, the annual out-of-control rate of pixels should not be more than 1/1000, mTBF of the whole product is not less than 10000h test basis: National Standard Gb/t 23828-2009“Highway LED variable information signs”, this product through the National Traffic Safety Facilities Quality Supervision and Inspection Center test.

Colors and styles can be customized