中文 / EN

Products

Create a world military and police brand, and strive to serve the world

Your location:

Homepage

Products

Traffic

LED road traffic guidance variable information sign

Product Category

Number of views:

1000

LED road traffic guidance variable information sign

After two years of natural exposure test, the product's outer shell anticorrosive layer, pixels and supporting bottom plate, after the accumulative energy of artificial accelerated aging test reaches 3.5x10?KJ/m2, the appearance of the product should not be obviously faded, chalked, cracked, dissolved, rusted, etc. Phenomenon, the retention rate of mechanical properties of non-metallic materials should be greater than 90% Under normal working conditions, the annual out-of-control rate of pixels is not more than one thousandth, and the MTBF of the overall product is not less than 10000h

Consulting

Return

Hotline: 86-523-89190333
E-mail: 76122668@qq.com

Retail price

0.0

元

Market price

0.0

元

Number of views:

1000

Product serial number

Quantity

Stock:

Product description

Parameters

Material requirements

Material certificate: Under the condition of ensuring the structural stability of the product shell, frame, etc., it is advisable to use lightweight materials that meet the relevant national standards to reduce the product's own weight;

LED single tube luminous intensity, mcd: red tube luminous intensity≧3000mcd; green tube luminous intensity≧6000mcd; blue tube luminous intensity≧2000mcd

LED single tube half-strength angle: red tube half-strength angle≧11.5°; green tube half-strength angle≧11.5°; blue tube half-strength angle≧11.5°

structure size

Modular structure: The display screen should be a detachable modular structure, and the structure size of the text and pattern on the display screen should meet the requirements of GB5768.2

Design brightness cd/㎡: The design brightness when the graphic logo reaches the white balance or the maximum design brightness of the text logo should not be less than 8000cd/㎡

Appearance Quality

The component is complete, the assembly is firm, the structure is stable, the corner transition is smooth, no flash, no burr; easy to install, the protective layer of the shell and the connecting piece has uniform color, no scratches, no cracks, no inorganic body defects, etc.; control box installation Correct and firm; the wiring inside the box is neat; the box lock adopts waterproof and rust-proof measures; the box door is convenient to open and close

Chromaticity performance

Case: The color of the case should be blue-gray No. 510 that meets the national standard paint color card

Display base: matt black; chromaticity coordinates should be within the range specified by the standard; brightness factor≦0.03

Color when the pixel does not emit light: black or colorless

The color of the pixel when it emits light: the red-chromaticity coordinate should be within the range specified by the standard

The green-chromaticity coordinates should be within the range specified by the standard

The blue-chromaticity coordinates should be within the range specified by the standard

Yellow-chromaticity coordinates should be within the range specified by the standard

The white-chromaticity coordinates should be within the range specified by the standard

Color graphic sign brightness level control: The color graphic sign controls the brightness level of the three primary color light-emitting pixels not less than 16 levels

Visual recognition performance

Viewing angle°: ≧30°

Static visual recognition performance: visual recognition distance≧250m

Dynamic visual recognition performance: visual recognition distance≧210m

Uniformity of luminescence: LED unevenness in the pixel≦10%

Refresh frequency, Hz: ≧100Hz

Electrical safety performance

Insulation resistance: ≧100Ω

Electric strength: Apply a sine wave with a frequency of 50Hz and an effective value of 1500V between the product power terminal and the case for 1min, and there should be no flashover or breakdown.

Connection resistance: the connection resistance between the grounding terminal and the case≦0.1Ω

Power adaptability: Voltage fluctuation adaptability: Under AC 220×(1±15%)V conditions, the product should be able to work reliably. Frequency fluctuation adaptability: Under 50Hz±2Hz conditions, the product should be able to work reliably

Structural stability

Formal ballast: geometric deformation≦2mm

Reverse ballast: geometric deformation≦2mm

Communication interface and procedures

Interface: 9-pin or 25-pin RS-232C female socket and four-pin RS-485 male socket

Communication mode: asynchronous, full duplex

High temperature performance

When the product is re-energized and tested at +55℃ for 8 hours, the product should start up normally and the logic is correct

Low temperature resistance

When the product is re-energized, test for 8h at -40℃, the product should start up normally and the logic is correct

Humidity and heat resistance

When the product is re-energized and tested for 48h under the condition of +40℃ and relative humidity (98±2)%, the product should start up normally and the logic is correct

Resistance to mechanical vibration

When the product is energized, it is controlled by amplitude at 2Hz-9Hz, with an amplitude of 3.5mm; at 9Hz-150Hz, it is controlled by acceleration, and the acceleration is 10m/s2; 2Hz-9Hz-150Hz-9Hz-2Hz is a cycle, and a total of 20 cycles After the cycle, the product functions normally, the structure is not affected, and the parts are not loose

Salt spray corrosion resistance: The anti-corrosion layer of the product shell and the pixel support bottom plate are placed in the salt spray box for 168 hours. There should be no obvious rust phenomenon, and the metal components have no red rust spots.

Functional requirements:

Display content: should display at least all the characters and numeric characters specified by GB2312, and can control all on and off

Manual function: when it is out of system control, the display content can be controlled manually

Self-checking function: can accept the control of the main control unit through the serial interface, and display the order

Self-checking function: the working condition of each pixel, the communication performance of the communication interface and the status of other units can be correctly detected, displayed and uploaded

Dimming function: the luminous intensity of pixels can be adjusted according to the ambient illuminance

Brightness at night, cd/m2 detection value

Red (105±10)cd/m2 109

Green (180±10)cd/m2 180

Blue (70±10)cd/m2 73

Yellow (150±10)cd/m2 149

Protection performance

The protection level of the product shell shall not be lower than the IP56 level according to the provisions of GB7000.1

Temperature resistance performance

In the power-on working state: Put it in a temperature alternating test box, keep it at a high temperature of 70℃ for 2h, then transfer to a low temperature -40℃ test box within 3min and keep it for 2h, and then transfer it to a high temperature test box within 3min, and repeat it for 5 Second-rate. After the test, the product should start normally with correct logic.

Weather resistance

After two years of natural exposure test for the anti-corrosion layer, pixels and support base plate of the product, after the accumulated energy of the artificial accelerated aging test reaches 3.5x10?KJ/m2, the appearance of the product should not be significantly faded, chalked, cracked, dissolved, rusted, etc. Phenomenon, the retention rate of mechanical properties of non-metallic materials should be greater than 90%

Under normal working conditions, the annual out-of-control rate of pixels is not more than one thousandth, and the MTBF of the overall product is not less than 10000h

Test basis: National standard GB/T 23828-2009 "Highway LED Variable Information Sign", this product has passed the test of the National Transportation Safety Facilities Quality Supervision and Inspection Center.