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GA/T 484-2018: LED variable message signs of road traffic inducement
Status: Valid GA/T 484: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GA/T 484-2018 | English | 599 |
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LED variable message signs of road traffic inducement
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GA/T 484-2018
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| GA/T 484-2010 | English | 959 |
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LED variable message sign of road traffic inducement
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GA/T 484-2010
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| GA/T 484-2004 | English | 759 |
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LED variable sign of road traffic guide
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GA/T 484-2004
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PDF similar to GA/T 484-2018
Standard similar to GA/T 484-2018 QB/T 2590 Q/DX 002 Basic data | Standard ID | GA/T 484-2018 (GA/T484-2018) | | Description (Translated English) | LED variable message signs of road traffic inducement | | Sector / Industry | Public Security (Police) Industry Standard (Recommended) | | Classification of Chinese Standard | Q84 | | Classification of International Standard | 93.080.99 | | Word Count Estimation | 26,210 | | Date of Issue | 2018-04-24 | | Date of Implementation | 2018-04-24 | | Issuing agency(ies) | Ministry of Public Security | GA/T 484-2018: LED variable message signs of road traffic inducement---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
LED variable message signs of road traffic inducement
ICS 93.080.99
Q84
People's Republic of China Public Safety Industry Standard
Replacing GA/T 484-2010
LED road traffic induced variable information sign
Published on.2018-04-24
2018-04-24 implementation
Ministry of Public Security
Content
Foreword III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Classification and naming 2
5 Requirements 3
6 Test method 9
7 Inspection rules 15
8 Installation and use 16
9 Identification, packaging, transportation and storage 17
Appendix A (informative) Example of local induced screen body 18
Appendix B (Normative Appendix) Color chromaticity diagram 20
Reference 21
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
This standard replaces GA/T 484-2010 "LED Road Traffic Induced Variable Information Sign", compared with GA/T 484-2010, except for editing
The main technical changes outside the series are as follows.
--- Removed the definition of terms for LEDs (see 3.1 of.2010 edition);
--- Removed the definition of terms for the induction system (see 3.6 of the.2010 edition);
---Modified English terminology for pixel spacing (see 3.7, 3.9 of.2010 edition);
--- Revised the definition of the terminology of the normal optical axis (see 3.8, 3.10 of the.2010 edition);
--- Revised the definition of terms for the two primary color induction markers (see 3.10, 3.12 of the.2010 edition);
--- Removed the definition of the terminology of the central control unit (see 3.15 of the.2010 edition);
--- Removed the definition of the terms uploaded (see 3.16 for the.2010 edition);
--- Removed the definition of the terms downloaded (see 3.17 of the.2010 edition);
--- Removed the classification according to display performance in the classification (see 4.1 of.2010 edition);
--- Revised the composition of the structure (see 5.1, 5.1.1 of the.2010 edition);
--- Revised the specification of the point spacing specification (see 5.3.2, 5.1.5 of the.2010 edition);
--- Revised the LED road traffic induced variable information mark flatness requirements (see 5.3.3,.2010 version of 5.1.4);
--- Increased the relative deviation requirement of the pixel center distance of the LED road traffic induced variable information mark (see 5.3.4,.2010 edition)
5.1.4);
--- Removed the relevant content of the management software control function in system management (see 5.2.1.4, 5.2.1.5 of.2010 edition,
5.2.1.7);
---Modified the rules for displaying text size (see 5.4.2.1, 5.2.2.1 of.2010 edition);
--- Added screen display requirements when there is no control over the monochrome variable information mark (see 5.4.2.2, 5.2.2.3 of.2010 edition);
---Modified the definition of dual primary color variable information mark display function (see 5.4.2.3, 5.2.2.4 of.2010 edition);
--- Revised the provisions of the full color screen induced sign display function (see 5.4.2.4, 5.2.2.5 of the.2010 version);
--- Added provisions for the layout of local induced signs (see 5.4.2.5);
--- Revised the basic method of traffic information release (see 5.4.3.1, 5.2.3.1 of.2010 edition);
--- Removed the optional method of traffic information release (see 5.2.3.2 of.2010 edition);
--- Modified the screen dimming requirements for variable information signs (see 5.4.4.1, 5.2.4.1 of the.2010 edition);
--- Increased the setting requirements for "at least one" of the ambient illumination detection device (see 5.4.4.2, 5.2.4.2 of the.2010 edition);
---Modified the requirements for manual dimming function (see 5.4.4.3, 5.2.4.3 of.2010 edition);
---Modified the brightness requirements of the full screen induced sign (see 5.5.1.1, 5.3.1 of the.2010 version);
--- Increased the optical performance requirements of the local induction mark text (see 5.5.1.2);
--- Modified the uniformity of illumination (see 5.5.2, 5.3.2 of the.2010 edition);
--- Modified the out of control point requirements (see 5.5.3, 5.3.3 of the.2010 edition);
--- Increased the rule of the color of the induced mark base (see 5.6.1);
--- Revised the rules for the color coordinates of the mark color boundary (see Table 2 of 5.6.2, Table 2 of 5.4.2 of the.2010 edition);
--- Removed the primary wavelength of the primary color of the three primary color induction markers (see 5.4.3 of the.2010 edition);
--- Revised the power and power factor requirements (see 5.7, 5.5 of the.2010 edition);
--- Removed the relevant provisions of the RS-232-C data interface (see 5.7.2 of the.2010 edition);
--- Removed the relevant provisions of the communication procedures (see 5.8 of the.2010 edition);
--- Revised the requirements for temperature rise (see 5.8.7, 5.6.7 for the.2010 edition);
--- Modified the description of low temperature performance requirements (see 5.10.1, 5.9.1 of.2010 edition);
--- Modified the enclosure protection level requirements (see 5.10.4,.2010 editions 5.9.4 and 5.9.5);
--- Revised the description of weather resistance performance requirements (see 5.10.8, 5.9.9 of the.2010 edition);
--- Increased requirements for impact resistance (see 5.10.9);
--- Revised the relevant requirements for reliability (see 5.10.10, 5.9.10 of the.2010 edition);
--- Revised the power measurement test method (see 6.7, 6.7 of.2010 edition);
--- Increased the test method of the physical interface (see 6.9);
--- Removed the test method for communication procedures (see 6.9 of.2010 edition);
--- Revised the test method for the salt spray test (see 6.10.6, 6.10.7 for the.2010 edition);
--- Revised the test method for weather resistance test (see 6.10.8,.2010 version of 6.10.9);
--- Revised the scope of type inspection (see 7.1.1, 7.1.1 of the.2010 edition);
--- Removed storage environment requirements (see version 9.4.1 of.2010).
Please note that some of the contents of this document may involve patents, and the issuing organization of this document is not responsible for identifying these patents.
This standard is proposed and managed by the Ministry of Public Security Road Traffic Management Standardization Technical Committee.
This standard is drafted by. Ministry of Public Security Traffic Management Science Research Institute.
Participated in the drafting of this standard. Shanghai Sansi Electronic Engineering Co., Ltd., Nanjing Saikang Traffic Safety Technology Co., Ltd.
The main drafters of this standard. Qiu Hongtong, Ma Jingjie, Zhao Yangyang, Feng Chunfang, Gu Jiayue, Dong Kaifan, Chen Yuyou, Zou Liquan, Wei Jing.
The previous versions of the standards replaced by this standard are.
---GA/T 484-2004;
---GA/T 484-2010.
LED road traffic induced variable information sign
1 Scope
This standard specifies the classification, naming, technical requirements, test methods, inspection rules and installation of LED road traffic induced variable information signs.
And use, labeling, packaging, transportation and storage.
This standard applies to the design, manufacture and inspection of road traffic induced variable information signs.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only the dated version applies to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB 2312 Basic set of Chinese character coded character set for information exchange
GB/T 2423.1 Environmental testing of electrical and electronic products - Part 2. Test methods Test A. Low temperature
GB/T 2423.2 Environmental testing of electrical and electronic products - Part 2. Test methods Test B. High temperature
GB/T 2423.3 Environmental testing of electric and electronic products - Part 2. Test method test Ca. constant damp heat test
GB/T 2423.10 Environmental testing of electric and electronic products - Part 2. Test method test Fc. Vibration (sinusoidal)
GB/T 2423.17 Environmental testing of electric and electronic products - Part 2. Test method test Ka. salt spray
GB/T 3681 plastic natural daylight weather aging, solar aging after glass filtration and Fresnel spectroscopy accelerate sunlight aging
Exposure method
GB/T 4208-2017 enclosure protection grade (IP code)
GB 4599-2007 Automotive filament light bulb headlights
GB/T 5080.7 Equipment reliability test Verification efficiency test plan for failure rate and mean time between failures under the assumption of constant failure rate
GB 5768.2 Road traffic signs and markings - Part 2. Road traffic signs
GB/T 18833-2012 Road traffic reflective film
GB 51038 Specification for setting of urban road traffic signs and markings
IEEE802.2/3 LAN protocol
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Pixel pixel
A basic display unit consisting of single or multiple LEDs that controls its illuminated or extinguished state.
3.2
Display module displaymodule
A structurally independent smallest unit consisting of several pixels.
3.3
Module displayteam
A separate display unit consisting of a number of display modules, drive circuits, control circuits and corresponding structural components.
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