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Similar standardsSJ/T 11406-2009: Specification of LED panels for stadium and gymnasium---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/SJT11406-2009SJ ELECTRONIC INDUSTRY STANDARD ICS 31.120 L 63 Record No.. Specification of LED panels for stadium and gymnasium Issued on. NOVEMBER 17, 2009 Implemented on. JANUARY 01, 2010 Issued by. Ministry of Industry and Information Technology of PRC Table of ContentsForeword... 4 1 Scope... 5 2 Normative references... 5 3 Terms and definitions... 7 4 Classification and grading... 8 4.1 Classification... 8 4.2 Characteristic grade... 8 5 Requirements... 8 5.1 Standard test conditions... 8 5.2 Functional characteristics of panel... 9 5.3 Optical performance... 11 5.4 Electrical performance of panels... 12 5.5 Structure, appearance, mechanical properties of panels... 13 5.6 Hardware environment of panel... 15 5.7 Software environment of panel... 17 5.8 Safety requirements... 17 5.9 Power supply... 17 5.10 Environmental adaptability... 18 5.11 Electromagnetic compatibility... 18 5.12 Resistance to wind pressure... 18 5.13 Anti-corrosion... 18 5.14 Reliability requirements... 19 6 Test method... 19 6.1 Test instrument and software... 19 6.2 Test method... 19 7 Inspection rules... 27 7.1 Inspection items... 27 7.2 Identification... 27 7.3 Quality consistency inspection... 29 8 Markings, packaging, transportation, storage... 31 8.1 Markings... 32 8.2 Packaging... 32 8.3 Transportation... 33 8.4 Storage... 33 References... 34ForewordThis standard shall be under the jurisdiction of the Institute of Standardization of Electronic Technology of PRC. Drafting organizations of this specification. Sichuan Kewei Industry Co., Ltd. The main drafters of this standard. Lan Banggu, Cao Xingyong, Cao Jian, Zhang Lixin, Lu Feng, Pu Hongchun, Chen Kunhua, etc. Specification of LED panels for stadium and gymnasium1 ScopeThis specification stipulates the definition, classification and grading, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage requirements of LED panels for stadium and gymnasium. This specification applies to the design, manufacturing, quality inspection, installation, acceptance of LED panels for stadium and gymnasium (hereinafter abbreviated panel). This specification does not include panels for guiding directions OR the panels in the timing and scoring system, in the stadium and gymnasium.2 Normative referencesThe provisions in following documents become the provisions of this Standard through reference in this Standard. For the dated references, the subsequent amendments (excluding corrections) or revisions do not apply to this Standard; however, parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. GB/T 191 Packaging - Pictorial marking for handling of goods GB 2312 Code of Chinese graphic character set for information interchange - Primary set GB/T 2423.17-1993 Basic environmental testing procedures for electric and electronic products Test Ka. Salt mist GB/T 3453-1994 Basic mode control procedures for data communications (ISO 1745.1975; 1177; 2111; 2628; 2629, NEQ) GB 4208-1993 Degrees of protection provided by enclosure (IP code) (IEC 529.1989, EQV) GB/T 6107-2000 Interface between data terminal equipment and data circuit terminating equipment employing serial binary data interchange (EIA/TIA- 232-E, IDT) GB/T 6388 Transport package shipping mark GB/T 9813 Generic specification for microcomputer GB/T 11463 Reliability test for electronic measuring instruments GB 12345 Code of Chinese ideogram set for information interchange supplementary set GB 18030-2005 Information technology - Chinese coded character set GB/T 19271.1-2003 Protection against lightning electromagnetic impulse - Part 1.General principles (IEC 61312-1.1995, IDT) GB/T 19607-2004 Protection types of special environmental condition and their symbols3 Terms and definitionsThe terms and definitions as established in SJ/T 11141-2003, SJ/T 11281, TY/T 1001.1-2005, as well as the following terms and definitions, apply to this specification. 3.1 Display area In response to the requirements of sports competitions, the area, which is divided on the panel, can be independently controlled, has independent display function (such as graphics & text display area or video display area, clock area). 3.2 Density of pixel The number of pixels, per square meter of the display area, of the panel.4 Classification and grading4.1 Classification 4.1.1 By the use environment The panels are divided into indoor panels (for gymnasiums) and outdoor panels (for stadiums). 4.1.4 By installation structure The LED panels for stadium and gymnasium are divided into flat panels, bucket panels, ring panels, according to different installation structures. 4.2 Characteristic grade The optical performance, electrical performance, mechanical performance of the panel are divided into three grades.5 Requirements5.1 Standard test conditions Unless otherwise specified, the test conditions are as follows. The ambient temperature is 15 °C ~ 35 °C; the relative humidity is 15%RH ~ 80%RH; the atmospheric pressure is 86 kPa ~ 106 kPa; 5.2 Functional characteristics of panel 5.2.1 Graphic & text panels It has the display function of letters, numbers, text, charts, graphics. Each primary color shall have a grayscale processing capability, which is greater than level 16 (color level equal to 4 bits). The animation display is consistent with the display of the corresponding area, on the main computer monitor. 5.2.4 Characters displayed on the flat panel For the flat panels of swimming venues used for international competitions, they must meet the requirements of the competition rules of the International Swimming Federation. 5.2.6 Time display Beijing time clock can display h, min, s. The digital game clock can be designed as a rolling timing or backward timing, can pause timing, can display min, s, ms. When used in a basketball game, it can be connected to a 24-second device, to synchronously display the total remaining time of the game. 5.3 Optical performance 5.3.1 Optical performance of pixels, display modules, display module group 5.3.2.2 View angle The horizontal view angle of the panel, θS, is not less than ±50°; the vertical upper view angle, θC, is not less than 10°; the vertical lower view angle of the flat panel, θC, is not less than 35°; the vertical lower view angle of the bucket panel, θC, is not less than 50°. 5.4.4 Load change rate of module group 5.4.7 Pixel out of control rate Table 11 -- Grading of pixel out of control rate 5.4.8 Video display resolution To ensure the video display effect of the video panel, the minimum resolution of the video image displayed on the panel is 320 (W) x 240 (H). 5.5 Structure, appearance, mechanical properties of panels 5.5.1 Structure 5.14 Reliability requirements For the reliability of the panel system for stadium and gymnasium, it shall meet the requirements of 5.10 in SJ/T 11141-2003.6 Test method6.1 Test instrument and software Color TV signal generator. S/N > 52 dB. Color analyzer. indication error ≤ ±5% (Similar instruments, which are used to measure optical properties such as brightness and chromaticity, are also available). Light intensity meter. indication error < ±10%. Illuminance meter. indication error ≤ ±5%. Oscilloscope. 6.2 Test method 6.2.1 Functional characteristics of panels 6.2.1.1 Graphic & text panels Use the host computer, which is installed with the basic operating system software AND the display software (LED multimedia editing studio software, etc.), 6.2.1.2 Video panel Use the host computer, which is installed with the basic operating system software AND the display software (LED multimedia editing studio software, etc.), that can meet the requirements of its display function, to run the video panel. Compare the panel with the monitor of host computer. Except for visual inspection of all functions of the graphics & text panel, it is necessary to display computer animation, to compare and check the animation function; meanwhile use the video source to check the function of the video signal, which shall meet the requirements of 5.2.2. 6.2.1.5 Maximum viewing distance and character height Calculate the character height, according to the pixel center distance of the tested panel for stadium and gymnasium. Calculate the maximum viewing distance approximately, according to formula (1), which shall meet the requirements of 5.2.5. 6.2.2 Optical performance 6.2.2.1 Optical performance of pixels, display modules, display module groups 6.2.2.1.1 Dominant wavelength error of primary color It is tested and calculated, according to the method, which is specified in 4.2.4 of SJ/T 11281.The results shall meet the requirements of 5.3.1.1. 6.2.2.1.2 Uniformity of pixel intensity It is tested and calculated, according to the method, which is specified in 4.2.7.1 of SJ/T 11281.The results shall meet the requirements of 5.3.1.2. 6.2.4.3 Mechanical properties 6.2.4.3.1 Assembly accuracy 6.2.4.3.1.1 Flatness It is tested according to the method, which is specified in 4.1.2.1 of SJ/T 11281; the results shall meet the requirements of 5.5.3.1.1. 6.2.4.3.1.2 Relative deviation of pixel center distance It is tested and calculated according to the method, which is specified in 4.1.2.2 of SJ/T 11281; the results shall meet the requirements of 5.5.3.1.2.7 Inspection rules7.1 Inspection items This product is divided into identification inspection and quality consistency inspection. The inspection rules are in accordance with the relevant requirements in Chapter 7 of SJ/T 11141-2003.The inspection items and requirements are in accordance with the regulations in Table 17. 7.2 Identification 7.2.3.1 Randomly select two panels, from the same batch of products, that have passed the final process inspection. According to the items and sequence in Table 17, check the functional characteristics, optical performance, electrical performance, structure, appearance and mechanical performance, hardware environment, software environment, safety requirements, power supply, of the panel, which shall meet the requirements of 5.2 ~ 5.9. 7.3.3.3 Sampling plan Randomly select three display module groups from the batches, that passed the group A inspection, as samples, for environmental adaptability inspection. 7.3.5.2 Qualification judgment According to GB/T 11463 Chapter 7 Failure and judgement criteria of failure, Chapter 8 Acceptance and rejection judgments, for the panel which fails the reliability test, it is not allowed to be exit-factory.8 Markings, packaging, transportation, storageThe marking, packaging, transportation, storage of the panels shall meet the requirements of SJ/T 10463. 8.1 Markings 8.1.1 Product mark 8.1.1.1 The nameplate shall be installed on the appropriate position of the panel. 8.1.2 Packaging mark The marking on the outer packaging box of the panels shall meet the requirements of GB/T 6388. 8.2 Packaging 8.2.1 It is packed in a packing box, that meets the requirements of the outer packaging mark. 8.3 Transportation The packaged products can be transported by conventional means of transportation; however, the transportation process shall avoid exposure to rain and snow, prolonged exposure to the sun, contact with corrosive gases, or mechanical damage. 8.4 Storage The range of storage temperature of the panel is 0 °C ~ 40 °C. The range of relative humidity is 30%RH ~ 80%RH. The panel shall be stored in a ventilated and dry warehouse, without acid, alkali and corrosive gas in the surrounding environment. There is no strong mechanical vibration, shock, or strong magnetic field. SJ/T 11406-2009 SJ ELECTRONIC INDUSTRY STANDARD ICS 31.120 L 63 Record No.. Specification of LED panels for stadium and gymnasium Issued on. NOVEMBER 17, 2009 Implemented on. JANUARY 01, 2010 Issued by. Ministry of Industry and Information Technology of PRCTable of ContentsForeword... 4 1 Scope... 5 2 Normative references... 5 3 Terms and definitions... 7 4 Classification and grading... 8 4.1 Classification... 8 4.2 Characteristic grade... 8 5 Requirements... 8 5.1 Standard test conditions... 8 5.2 Functional characteristics of panel... 9 5.3 Optical performance... 11 5.4 Electrical performance of panels... 12 5.5 Structure, appearance, mechanical properties of panels... 13 5.6 Hardware environment of panel... 15 5.7 Software environment of panel... 17 5.8 Safety requirements... 17 5.9 Power supply... 17 5.10 Environmental adaptability... 18 5.11 Electromagnetic compatibility... 18 5.12 Resistance to wind pressure... 18 5.13 Anti-corrosion... 18 5.14 Reliability requirements... 19 6 Test method... 19 6.1 Test instrument and software... 19 6.2 Test method... 19 7 Inspection rules... 27 7.1 Inspection items... 27 7.2 Identification... 27 7.3 Quality consistency inspection... 29 8 Markings, packaging, transportation, storage... 31 8.1 Markings... 32 8.2 Packaging... 32 8.3 Transportation... 33 8.4 Storage... 33 References... 34ForewordThis standard shall be under the jurisdiction of the Institute of Standardization of Electronic Technology of PRC. Drafting organizations of this specification. Sichuan Kewei Industry Co., Ltd. The main drafters of this standard. Lan Banggu, Cao Xingyong, Cao Jian, Zhang Lixin, Lu Feng, Pu Hongchun, Chen Kunhua, etc. Specification of LED panels for stadium and gymnasium1 ScopeThis specification stipulates the definition, classification and grading, technical requirements, test methods, inspection rules, marking, packaging, transportation, storage requirements of LED panels for stadium and gymnasium. This specification applies to the design, manufacturing, quality inspection, installation, acceptance of LED panels for stadium and gymnasium (hereinafter abbreviated panel). This specification does not include panels for guiding directions OR the panels in the timing and scoring system, in the stadium and gymnasium.2 Normative referencesThe provisions in following documents become the provisions of this Standard through reference in this Standard. For the dated references, the subsequent amendments (excluding corrections) or revisions do not apply to this Standard; however, parties who reach an agreement based on this Standard are encouraged to study if the latest versions of these documents are applicable. For undated references, the latest edition of the referenced document applies. GB/T 191 Packaging - Pictorial marking for handling of goods GB 2312 Code of Chinese graphic character set for information interchange - Primary set GB/T 2423.17-1993 Basic environmental testing procedures for electric and electronic products Test Ka. Salt mist GB/T 3453-1994 Basic mode control procedures for data communications (ISO 1745.1975; 1177; 2111; 2628; 2629, NEQ) GB 4208-1993 Degrees of protection provided by enclosure (IP code) (IEC 529.1989, EQV) GB/T 6107-2000 Interface between data terminal equipment and data circuit terminating equipment employing serial binary data interchange (EIA/TIA- 232-E, IDT) GB/T 6388 Transport package shipping mark GB/T 9813 Generic specification for microcomputer GB/T 11463 Reliability test for electronic measuring instruments GB 12345 Code of Chinese ideogram set for information interchange supplementary set GB 18030-2005 Information technology - Chinese coded character set GB/T 19271.1-2003 Protection against lightning electromagnetic impulse - Part 1.General principles (IEC 61312-1.1995, IDT) GB/T 19607-2004 Protection types of special environmental condition and their symbols3 Terms and definitionsThe terms and definitions as established in SJ/T 11141-2003, SJ/T 11281, TY/T 1001.1-2005, as well as the following terms and definitions, apply to this specification. 3.1 Display area In response to the requirements of sports competitions, the area, which is divided on the panel, can be independently controlled, has independent display function (such as graphics & text display area or video display area, clock area). 3.2 Density of pixel The number of pixels, per square meter of the display area, of the panel.4 Classification and grading4.1 Classification 4.1.1 By the use environment The panels are divided into indoor panels (for gymnasiums) and outdoor panels (for stadiums). 4.1.4 By installation structure The LED panels for stadium and gymnasium are divided into flat panels, bucket panels, ring panels, according to different installation structures. 4.2 Characteristic grade The optical performance, electrical performance, mechanical performance of the panel are divided into three grades.5 Requirements5.1 Standard test conditions Unless otherwise specified, the test conditions are as follows. The ambient temperature is 15 °C ~ 35 °C; the relative humidity is 15%RH ~ 80%RH; the atmospheric pressure is 86 kPa ~ 106 kPa; 5.2 Functional characteristics of panel 5.2.1 Graphic & text panels It has the display function of letters, numbers, text, charts, graphics. Each primary color shall have a grayscale processing capability, which is greater than level 16 (color level equal to 4 bits). The animation display is consistent with the display of the corresponding area, on the main computer monitor. 5.2.4 Characters displayed on the flat panel For the flat panels of swimming venues used for international competitions, they must meet the requirements of the competition rules of the International Swimming Federation. 5.2.6 Time display Beijing time clock can display h, min, s. The digital game clock can be designed as a rolling timing or backward timing, can pause timing, can display min, s, ms. When used in a basketball game, it can be connected to a 24-second device, to synchronously display the total remaining time of the game. 5.3 Optical performance 5.3.1 Optical performance of pixels, display modules, display module group 5.3.2.2 View angle The horizontal view angle of the panel, θS, is not less than ±50°; the vertical upper view angle, θC, is not less than 10°; the vertical lower view angle of the flat panel, θC, is not less than 35°; the vertical lower view angle of the bucket panel, θC, is not less than 50°. 5.4.4 Load change rate of module group 5.4.7 Pixel out of control rate Table 11 -- Grading of pixel out of control rate 5.4.8 Video display resolution To ensure the video display effect of the video panel, the minimum resolution of the video image displayed on the panel is 320 (W) x 240 (H). 5.5 Structure, appearance, mechanical properties of panels 5.5.1 Structure 5.14 Reliability requirements For the reliability of the panel system for stadium and gymnasium, it shall meet the requirements of 5.10 in SJ/T 11141-2003.6 Test method6.1 Test instrument and software Color TV signal generator. S/N > 52 dB. Color analyzer. indication error ≤ ±5% (Similar instruments, which are used to measure optical properties such as brightness and chromaticity, are also available). Light intensity meter. indication error < ±10%. Illuminance meter. indication error ≤ ±5%. Oscilloscope. 6.2 Test method 6.2.1 Functional characteristics of panels 6.2.1.1 Graphic & text panels Use the host computer, which is installed with the basic operating system software AND the display software (LED multimedia editing studio software, etc.), 6.2.1.2 Video panel Use the host computer, which is installed with the basic operating system software AND the display software (LED multimedia editing studio software, etc.), that can meet the requirements of its display function, to run the video panel. Compare the panel with the monitor of host computer. Except for visual inspection of all functions of the graphics & text panel, it is necessary to display computer animation, to compare and check the animation function; meanwhile use the video source to check the function of the video signal, which shall meet the requirements of 5.2.2. 6.2.1.5 Maximum viewing distance and character height Calculate the character height, according to the pixel center distance of the tested panel for stadium and gymnasium. Calculate the maximum viewing distance approximately, according to formula (1), which shall meet the requirements of 5.2.5. 6.2.2 Optical performance 6.2.2.1 Optical performance of pixels, display modules, display module groups 6.2.2.1.1 Dominant wavelength error of primary color It is tested and calculated, according to the method, which is specified in 4.2.4 of SJ/T 11281.The results shall meet the requirements of 5.3.1.1. 6.2.2.1.2 Uniformity of pixel intensity It is tested and calculated, according to the method, which is specified in 4.2.7.1 of SJ/T 11281.The results shall meet the requirements of 5.3.1.2. 6.2.4.3 Mechanical properties 6.2.4.3.1 Assembly accuracy 6.2.4.3.1.1 Flatness It is tested according to the method, which is specified in 4.1.2.1 of SJ/T 11281; the results shall meet the requirements of 5.5.3.1.1. 6.2.4.3.1.2 Relative deviation of pixel center distance It is tested and calculated according to the method, which is specified in 4.1.2.2 of SJ/T 11281; the results shall meet the requirements of 5.5.3.1.2.7 Inspection rules7.1 Inspection items This product is divided into identification inspection and quality consistency inspection. The inspection rules are in accordance with the relevant requirements in Chapter 7 of SJ/T 11141-2003.The inspection items and requirements are in accordance with the regulations in Table 17. 7.2 Identification 7.2.3.1 Randomly select two panels, from the same batch of products, that have passed the final process inspection. According to the items and sequence in Table 17, check the functional characteristics, optical performance, electrical performance, structure, appearance and mechanical performance, hardware environment, software environment, safety requirements, power supply, of the panel, which shall meet the requirements of 5.2 ~ 5.9. 7.3.3.3 Sampling plan Randomly select three display module groups from the batches, that passed the group A inspection, as samples, for environmental adaptability inspection. 7.3.5.2 Qualification judgment According to GB/T 11463 Chapter 7 Failure and judgement criteria of failure, Chapter 8 Acceptance and rejection judgments, for the panel which fails the reliability test, it is not allowed to be exit-factory.8 Markings, packaging, transportation, storageThe marking, packaging, transportation, storage of the panels shall meet the requirements of SJ/T 10463. 8.1 Markings 8.1.1 Product mark 8.1.1.1 The nameplate shall be installed on the appropriate position of the panel. 8.1.2 Packaging mark The marking on the outer packaging box of the panels shall meet the requirements of GB/T 6388. 8.2 Packaging 8.2.1 It is packed in a packing box, that meets the requirements of the outer packaging mark. 8.3 Transportation The packaged products can be transported by conventional means of transportation; however, the transportation process shall avoid exposure to rain and snow, prolonged exposure to the sun, contact with corrosive gases, or mechanical damage. 8.4 Storage The range of storage temperature of the panel is 0 °C ~ 40 °C. The range of relative humidity is 30%RH ~ 80%RH. The panel shall be stored in a ventilated and dry warehouse, without acid, alkali and corrosive gas in the surrounding environment. There is no strong mechanical vibration, shock, or strong magnetic field. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of SJ/T 11406-2009 be delivered?Answer: The full copy PDF of English version of SJ/T 11406-2009 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of SJ/T 11406-2009_English with my colleagues?Answer: Yes. 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