GB/T 26766-2019Intelligent terminal for urban bus and trolleybus (English PDF)

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009.

This standard replaces GB/T 26766-2011 "Urban Public Transport Dispatching Vehicle Information Terminal". Compared with GB/T 26766-2011, The main technical changes except editorial changes are as follows.

--- The standard name was changed to "Urban Public Steam Car Vehicle Intelligent Terminal";

---Modified the definition of in-vehicle intelligent terminal (see 3.1, 3.1 of 2011 edition);

--- Removed the terminology and definition of the dispatch center system (see 3.2 of the 2011 edition);

--- Added terms and definitions for expansion devices and main memory (see 3.2 and 3.3);

--- Added abbreviations (see Chapter 4);

--- Added schematic diagram of the structure of the vehicle intelligent terminal system and system (see 5.1.1);

--- Increased the functional requirements of the vehicle intelligent terminal (see 5.1.2);

--- Increased expansion device configuration requirements (see 5.1.3);

---Modified the structure and appearance requirements of the vehicle intelligent terminal (see 5.2, 2011 version 4.1.2);

--- Increased interface requirements for in-vehicle intelligent terminals (see Table 1 and Table 2);

--- Added other requirements for in-vehicle intelligent terminals (see 5.4.2);

---Modified the self-checking function and requirements of the vehicle intelligent terminal (see 6.1.1, 4.1.1 of the 2011 version);

--- Added five functions of vehicle intelligent terminal management, information collection, human-computer interaction, monitoring and voice call (see 6.1.2, 6.1.5~ 6.1.8);

---Modified the positioning function requirements of the vehicle intelligent terminal (see 6.1.3, 4.2.2 of the 2011 version);

---Modified the communication function requirements of the vehicle intelligent terminal (see 6.1.4, 4.4.3 of the 2011 version);

--- Increased the operational monitoring function requirements of the vehicle intelligent terminal (see 6.2);

--- Increased the operational scheduling function requirements of the vehicle intelligent terminal (see 6.3);

--- Increased the requirements for the station and passenger information service functions of the vehicle intelligent terminal (see 6.4);

--- Increased data management functions and signal priority application requirements (see 6.5 and 6.6);

--- Increased work performance requirements (see 7.1);

--- Revised the range of voltage fluctuations (see 7.2.1, 4.3.1 of the 2011 edition);

--- Modified performance requirements such as electromagnetic compatibility and environmental adaptability (see 7.3 and 7.4, 4.5~4.7 for.2011 edition);

---Modified the test conditions, removed the power supply, and increased the atmospheric pressure requirements (see 8.1, 5.1 of the 2011 edition);

---Increase in-vehicle intelligent terminal management, information collection, human-computer interaction, monitoring, voice call, warning alarm, remote inspection, dispatching letter Functional test methods for information reception, operation line switching, operational area detection, information release, and data management (see 8.4.2, 8.4.5~) 8.4.11, 8.4.13, 8.4.14, 8.4.17 and 8.4.19);

--- Increased work performance test methods (see 8.5);

--- Modified the power supply voltage adaptability, power supply polarity reverse connection performance and power supply voltage performance method (see 8.6.1 ~ 8.6.3, 2011 Year edition of 5.4);

--- Added test methods for low voltage protection and power failure protection performance (see 8.6.4 and 8.6.5);

---Modified the electromagnetic compatibility test method (see 8.7, 2011 editions 5.6 and 5.7);

--- Revised climate environmental test parameters (see Table 5, 5.8.1, 2011 edition);

--- Modified the constant temperature and humidity test method (see 8.8.1.6, 5.8.7 of the 2011 edition);

---Modified the parameters of the mechanical environment test project (see Table 6, 5.9.1 of the 2011 edition);

--- Increased impact test requirements (see 8.8.2.3);

--- Removed the crash test requirements (see 5.9.3 of the 2011 edition);

--- Revised the protective test and reliability test requirements (see 8.8.3 and 8.8.4, 2011 editions 5.10 and 5.11);

--- Revised inspection items (see Table 7, Table 4 of the 2011 edition);

--- Deleted the inspection sequence, group batch rules and sampling inspection plan, judgment rules and re-inspection rules (see.2011 version 6.3.1~ 6.3.3);

--- Increased installation requirements (see Chapter 10 and Appendix D);

--- Revised the logo, label and product certificate and packaging, and removed the transportation and storage (see Chapter 11, Chapter 7 of the 2011 edition);

--- Removed the product failure criteria (Appendix A of the 2011 edition);

--- Added vehicle intelligent terminal and expansion device configuration (see Appendix A);

--- Added information on the external interface (see Appendix B);

--- Added a reference table for the definition of each video channel monitoring area of the vehicle intelligent terminal (see Appendix C).

1 Scope

This standard stipulates the general requirements, functional requirements, performance requirements, test methods, and inspection rules for urban public safety vehicles. Requirements for installation, marking, packaging, transportation and storage.

This standard is applicable to the design, production, inspection and use of in-vehicle intelligent terminals installed on urban public steam trams nationwide. Car The video monitoring terminal, the vehicle dispatching terminal, and other intelligent terminals of the operating vehicle can be referred to under the same technical conditions.

2 Normative references

The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.

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 - Part 2: Test method test Cab. constant damp heat test

GB/T 2423.5 Environmental testing of electric and electronic products - Part 2: Test methods Test Ea and guide. Impact

GB/T 4208-2017 enclosure protection grade (IP code)

GB/T 19056-2012 car driving recorder

GB/T 19951-2005 Test method for electric disturbance caused by electrostatic discharge of road vehicles

GB 20815-2006 video security monitoring digital video recording equipment

GB/T 21437.2-2008 Road vehicles - Electrical disturbances caused by conduction and coupling - Part 2: Electrical transients along the power line Conduction

GB/T 22484 Urban Public Steam Tram Passenger Service Specification

GB/T 32852.1 Urban passenger transport terms - Part 1: General terms

JT/T 794-2011 Technical requirements for vehicle terminal of satellite transportation system for road transport vehicles

QC/T 420 Automotive Fuses

QC/T 29106 automotive low voltage wiring harness technical conditions

YDC 079 mobile user terminal wireless LAN technical indicators and test methods

3 Terms and definitions

The following terms and definitions as defined in GB/T 32852.1 apply to this document.