Do you know the 13 requirements of the stadium LED display technology installation

Time:2018-10-22 Views:897

Stylistic venues include LED screen is widely used in sports schools, parks, museums, exhibition centers, sports venues, such as in the scene, such places often require sports LED screen can realize the live, and free to switch different images, especially at the scene of the major events and games, high stability and continuity of sports LED screen, must want to ensure that display zero fault, bulletproof.According to the practical experience, the professional summarized 13 requirements for the LED display screens applicable to various stadiums for your reference.

Installation position and number of the display screen

1. Unless special circumstances, it is advisable to make the audience of formal fixed seats in the venue meet the maximum stadia requirement by more than 95%.

2. The athletes, coaches and referees (except the on-spot marking referees in diving matches) can easily see the contents displayed on the screen.

Ii. Reliability

The reliability of the stadium display shall meet the requirements of 5.10 in SJ/ t11141-2003.

Third, security

1. The safety requirements of the stadium display shall meet the requirements of 5.4 in SJ/ t11141-2003.

2. The display screen in the stadium shall be separately powered, which shall meet the requirement of 5.8 in SJ/ t11141-2003.Construction and acceptance of stadium display cable line shall meet the requirements of GB50168 and GB50171.The project quality shall meet the requirements of GB50303.

3. Devices containing polymer materials (including LED module enclosure, LED module filling glue,PCB board,

Must be flame retardant material.

4. The display screen of the stadium shall have the functions of smoke induction, lightning protection, automatic fire alarm and automatic screen shutoff, and the power distribution cabinet shall have the functions of overload protection, leakage protection and step up power supply.

Maximum stadia and character height

1. Calculation formula of maximum visual range and character height (see formula (1)> is:

H = k?d

In the formula:

H maximum visual range in m;

K -- stadia coefficient, usually 345;

D - character height in m

LED display brightness

2. The display screen of building structure independent natatorium and diving house shall be at least higher than 0.2m, and the display screen of building structure integrated swimming vault shall be at least higher than 0.28m.

Optical properties

1, the Angle of view

The horizontal view Angle of the stadium display is not less than 1500, the vertical view Angle is not less than 100, and the lower view Angle is not less than 200.

2. The brightness shall comply with and be adjustable in table 1.

Table 1 display brightness unit: CD /m ‘

3. Contrast

When the background illumination is less than 20lx, the contrast of the screen should be up to 100e1.

4. White field color coordinates

The color coordinate of white field color can be adjusted within the color temperature of 5000k-9500k according to the operating environment

Delta x ∣ ≦ 0.030, ∣ delta y ∣ ≦ 0.030.

5. Brightness uniformity

The inhomogeneity of the stadium display should be less than 10%.

Display control

1. The rolling time of the game can be displayed in real time.

2. The result of the competition can be displayed by scrolling.

3. You can turn the page to display the score.

4. The displayed text can be switched automatically and manually.

5. For the display screen with the function of picture and text and video, the text should be able to switch between pictures, animations and live images automatically and manually.

Seven, interfaces,

1. Network interface

The IEEE802.3 Ethernet interface shall be available.

2. Data interface

Should have the ability to assemble multiple data interfaces including the standard rs-232 serial interface, to be able to match the field meter

Time scoring system to connect and receive data.

3. Interface video

For display screens with graphic and video functions, video interface should be available to receive video signals of various formats

Viii. Electrical properties

1. Frame changing frequency

The changing frame frequency of LED video display shall not be less than 60 frames /S.

2. Refresh frequency

The refresh frequency of the graphics and text display in the stadium shall be no less than 60Hz;The refresh frequency of full-color video display shall be no less than 240Hz.

3. Pixel runaway rate

The out-of-control rate of stadium display screen should be no more than three parts per million, and the out-of-control rate of stadium display screen should be no more than two parts per thousand, and it is a discrete distribution.

4. Grey level

For display of video screen, each primary color should have a 256-level (8-bit) grayscale processing capability.

5. Video shows the resolution

To ensure the display effect of video, the minimum resolution of video screen is 320(W)X240(H).

The flat screen displays the characters

1. Comprehensive gymnasium

A. the display screen of the comprehensive gymnasium for grading sports (gymnastics, martial arts routines, figure skating, etc.) shall be able to display at least 12 lines of Chinese characters of 16 dots, and the space between lines shall not be less than 1/10 of the characters, and each line shall be able to display at least 27 Chinese characters.

B. The display screen of the comprehensive gymnasium, mainly used for ball games, can display at least 8 lines of Chinese characters in 16 dot matrix, and the space between lines is not less than 1/10 of the characters, and each line can display at least 16 Chinese characters.

2. Track and field

A. The display screen can display at least 13 lines of Chinese characters in 16 dot matrix, and the space between lines is not less than 1/10 of the characters, and each line can display at least 26 Chinese characters.

B. each character has the function of scintillation.

3. Natatorium

A. The display screen can display at least 13 lines of Chinese characters in 16 dot matrix, and the space between lines should not be less than 1/10 of the characters, and each line can display at least 25 Chinese characters.

B. each character has the function of scintillation

4. Diving hall

The display screen can display at least 12 lines of Chinese characters in 16 dot matrix, and the line spacing is not less than 1/10 of the characters, and each line can display at least 13 Chinese characters.

5. Other venues

Refer to above requirements for implementation.

6. The display characters of other installed structures can be agreed by both parties according to the contract according to their functions and actual use.

Appearance and structure

1. The appearance of the stadium display shall meet the requirements of 5.3.2 in SJ/ t11141-2003.

2. The protection level of the stadium display case shall meet the requirements of 5.3.3 in SJ/ t11141-2003.

3. The relative deviation of the pixel center distance of the stadium display shall meet the requirements of 5.3.4 in SJ/ t11141-2003.

4. The flatness of the stadium display shall meet the requirements of 5.3.5 in SJ/ t11141-2003.

Xi. Corrosion prevention

Anti-corrosion measures should be taken for the display screen of the stadium in the damaged environment.

Electromagnetic compatibility

Electromagnetic compatibility (emc) is an important parameter that affects the normal operation of the equipment in a stadium with a variety of electronic equipment.The electromagnetic emission of the display screen shall meet the requirements of en55103-1, and the disturbance rejection shall meet the requirements of en55103-2.

adaptability

The adaptability of the display environment of sports stadiums should meet the requirement of 5.9 in SJ/ t11141-2003.