GB/T 25119-2021Railway applications - Electronic equipment used on rolling stock (English PDF)

foreword

This document is in accordance with the provisions of GB/T 1:1-2020 "Guidelines for Standardization Work Part 1: Structure and Drafting Rules of Standardization Documents"

drafted:

This document replaces GB/T 25119-2010 "Electronic Devices for Rail Transit Locomotives", compared with GB/T 25119-2010, except

In addition to structural adjustments and editorial changes, the main technical changes are as follows:

a) Changed the scope: added electronic devices suitable for diagnostic functions, deleted inapplicable content and added residual risk

related content (see Chapter 1, Chapter 1 of the:2010 edition);

b) Changed terms and definitions (see 3:3, 3:9, 3:11, 3:12, 3:14, 3:15 and 3:16, 3:3, 3:9, 3:11, 3:12,

3:14, 3:15 and 3:16);

c) Changed the environmental conditions: the ambient temperature is divided into T1~TX grades, the humidity is divided into annual average relative humidity and 30d relative humidity

Humidity, removed installation conditions and added requirements for air pollution (see Chapter 4, Chapter 4 of the:2010 edition);

d) Changed the requirements for the selection of nominal voltage levels for battery power supply (see 5:1:1:1, 5:1:1 of the:2010 edition);

e) Changed the structure and technical content of Table 2 (see 5:1:1:2, 5:1:1:1 of the:2010 edition);

f) Changed surge and electrostatic discharge requirements: added electrical fast transient burst immunity requirements and removed surge levels (see

5:4, 5:4 of the:2010 edition);

g) Changed the service life, and changed the service life from 20 years to be determined through negotiation between the supply and demand sides (see 6:2, 6:2 of the:2010 edition);

h) Changed on-board diagnostic requirements: changed to on-board diagnostic and repair requirements, that is, online replaceable units do not need to be removed for repair or diagnosis

or replace any part in the in-line replaceable unit (see 6:4:1, 6:4:1 of the:2010 edition);

i) Changed the requirements for component selection (see 8:1:6, 8:1:6 of the:2010 edition);

j) Changed the hardware and software documentation requirements (see 11:3, 11:2 of the:2010 edition);

k) Changed the names of test items 6, 7 and 8 in Table 3 (see 12:2:1, 12:2 of the:2010 edition);

l) Change the low temperature test method: select the temperature value according to Table 1, and change the holding time from 2h to not less than 2h (see 12:2:4,:2010 edition

12:2:3);

m) The high-temperature test method is changed: select the temperature value according to Table 1, and the over-temperature test is modified for the product installed in the cabinet or chassis:

(see 12:2:5, 12:2:4 of the:2010 edition);

n) The intermediate detection conditions of the alternating damp heat test are added (see 12:2:6);

o) Changed the table of Figure 5 for power supply overvoltage: removed the requirements of 1:3Un and power supply, and modified the maximum value of time D to the minimum

value, removed Figure 3 (see 12:2:7, 12:2:6:1 of the:2010 edition);

p) The specific provisions of surge, electrostatic discharge, electrical fast transient burst immunity test and radio frequency test have been changed:

GB/T 24338:4-2018 stipulates implementation (see 12:2:8, 12:2:9, 12:2:6:2, 12:2:6:3, 12:2:6:4,:2010 edition

12:2:6:5, 12:2:7, 12:2:8);

q) The stipulation of "The insulation test has been done in the factory inspection, it should not be repeated in the type inspection" of the insulation test requirements is deleted:

The provisions contradict Table 3 (see 12:2:9 of the:2010 edition);

r) The requirements for shock and vibration tests have been changed: the specific provisions of shock and vibration tests have been deleted, and the implementation shall be carried out in accordance with the provisions of GB/T 21563

(see 12:2:12, 12:2:11 of the:2010 edition);

s) Changed the water tightness test to the enclosure protection level test (IP code) (see 12:2:13, 12:2:12 of the:2010 edition);

t) Changed the content of the loading and running test to Appendix B (see Appendix B, 12:2:15 of the:2010 edition):

This document uses the redrafting method to modify and adopt IEC 60571:2012 "Electronic Devices of Rail Transit Locomotive Vehicles":

Compared with IEC 60571:2012, this document has made the following structural adjustments:

--- Deleted 10:2 of IEC 60571:2012;

---10:2 corresponds to 10:3 of IEC 60571:2012;

---10:3 corresponds to 10:4 of IEC 60571:2012;

--- Added Chapter 13;

--- Added Appendix B:

There are many technical differences between this document and IEC 60571:2012:

A single line (|) is marked: These technical differences and their reasons are as follows:

--- Changed the scope of application, and added the power supply mode of the electronic device and generator suitable for the diagnostic function: The following text has the diagnostic function:

At the same time, my country's diesel locomotives are powered by generators, so they need to be supplemented (see Chapter 1):

--- Regarding normative reference documents, this document has made adjustments with technical differences to adapt to the technical conditions of our country and the circumstances of the adjustment:

The situation is reflected in Chapter 2 "Normative References", and the specific adjustments are as follows:

* Replace IEC 60850 (see 5:1:4) with GB/T 1402 modified to adopt international standards:

* Replace IEC 60068-2-1 (see 12:2) with GB/T 2423:1 which is equivalent to the international standard:

* Replace IEC 60068-2-2 (see 12:2) with GB/T 2423:2 which is equivalent to the international standard:

* Replace IEC 60068-2-30 (see 12:2) with GB/T 2423:4 which is equivalent to the international standard:

* Replace IEC 60529 (see 9:9) with GB/T 4208 which is equivalent to the international standard:

* Replace IEC 61082 (all parts) with GB/T 6988:1 which is equivalent to adopting international standards (see 11:4:5):

* Replace IEC 62236-3-2:2008 (see 5:4, 5:5 and 12:2) with GB/T 24338:4-2018 modified to adopt international standards:

* Replace IEC 60352-2 (see 9:3:3) with GB/T 18290:2 which is equivalent to the international standard:

* Replace ISO 9001 with GB/T 19001 which is equivalent to adopting international standards (see 7:1:1, 7:3:1, 8:1:2 and 11:1):

* Replace IEC 60297 (see 9:1:4) with GB/T 19520:12 which is equivalent to the international standard:

* Replace IEC 61373 (see 4:1:3, 12:2:12) with GB/T 21563 modified to adopt international standards:

* Replace IEC 62498-1:2010 (see 4:1:1, 4:1:4) with GB/T 32347:1-2015, which has been modified to adopt international standards:

* Added normative reference document TB/T 3213 (see 4:1:1):

* Added normative reference document GB/T 21413:1 (see 5:1:1:1):

* Deleted normative reference IEC 61124 (see 6:1:2):

* Use GB/T 4728 (all parts) instead of IEC 60617 (see 11:4), the degree of consistency between the parts of the two standards

as follows:

* GB/T 4728:1-2018 Graphical Symbols for Electrical Diagrams Part 1: General Requirements (IEC 60617data-

base,IDT);

* GB/T 4728:2-2018 Graphical Symbols for Electrical Diagrams Part 2: Symbol Elements, Qualification Symbols and Others

Other common symbols (IEC 60617database, IDT);

* GB/T 4728:3-2018 Graphical Symbols for Electrical Diagrams Part 3: Conductors and Connectors (IEC 60617

database,IDT);

* GB/T 4728:4-2018 Graphical Symbols for Electrical Diagrams Part 4: Basic Passive Components (IEC 60617

database,IDT);

* GB/T 4728:5-2018 Graphical Symbols for Electrical Diagrams Part 5: Semiconductor Tubes and Electron Tubes

(IEC 60617database, IDT);

* GB/T 4728:6-2008 Graphical symbols for electrical diagrams - Part 6: Generation and conversion of electrical energy

(IEC 60617database, IDT);

* GB/T 4728:7-2008 Graphical Symbols for Electrical Diagrams Part 7: Switches, Controls and Protection Devices

(IEC 60617database, IDT);

* GB/T 4728:8-2008 Graphical Symbols for Electrical Diagrams Part 8: Measuring Instruments, Lamps and Signaling Devices

(IEC 60617database, IDT);

* GB/T 4728:9-2008 Graphical Symbols for Electrical Diagrams Part 9: Telecommunications Switching and Peripherals

(IEC 60617database, IDT);

* GB/T 4728:10-2008 Graphical Symbols for Electrical Diagrams Part 10: Telecommunications Transmission (IEC 60617

database,IDT);

* GB/T 4728:11-2008 Graphical Symbols for Electrical Diagrams Part 11: Building Installation Layout Plan

(IEC 60617database, IDT);

* GB/T 4728:12-2008 Graphical Symbols for Electrical Diagrams Part 12: Binary Logic Elements

(IEC 60617database, IDT);

* GB/T 4728:13-2008 Graphical Symbols for Electrical Diagrams Part 13: Analog Components (IEC 60617

database, IDT):

* Replace IEC 60030-3-5 and IEC 60605 (all parts) with GB/T 5080 (all parts) (see 6:1:2),

The degree of consistency between GB/T 5080 and the various parts of the international document is as follows:

* GB/T 5080:1-2012 Reliability Test Part 1: Test Conditions and Statistical Test Principles (IEC 60300-3-5:

2001, IDT);

* GB/T 5080:2-2012 Reliability Test Part 2: Design of Test Cycle (IEC 60605-2:1994,

IDT);

* GB/T 5080:4-1985 Equipment reliability test point estimation and interval estimation method of reliability measurement test

(exponential distribution) (neq IEC 60605-4:1978);

* GB/T 5080:5-1985 Verification test scheme of equipment reliability test success rate (idtIEC 60605-5-1982);

* GB/T 5080:6-1996 Validity test of the assumption of constant failure rate in equipment reliability test (idt

IEC 60605-6:1989);

* GB/T 5080:7-1986 Failure rate and average no-failure under the assumption of constant failure rate in equipment reliability test

Time Validation Test Protocol (idtIEC 60605-7-1978):

--- Added the requirement that the altitude does not exceed 1400m, and the altitude correction coefficient Ka of the power frequency withstand voltage when it exceeds 1400m

to adapt to my country's national conditions (see 4:1:1):

--- Increased the requirements for low temperature storage, that is, it is allowed to store at an ambient temperature of not lower than -40 °C to adapt to my country's national conditions (see 4:1:2):

--- Changed the ambient temperature of T6 and TX in Table 1 to suit my country's national conditions (see 4:1:2):

--- Changed the voltage level selection requirements, 72V was changed to 74V, it is recommended to choose 24V, 74V, 110V to adapt to my country's national conditions (see

5:1:1:1):

--- Changed the procurement requirements for components to suit my country's national conditions (see 8:1:3):

---Increased the requirements for the size and structure of the device, that is, it is recommended to use printing with a height of 3U and 6U and a length of 160mm or 220mm

board to suit my country's national conditions (see 9:1:4):

--- Added redo type inspection conditions: regular production of stereotyped products should be subject to a type inspection every five years, modify "stop production for five years"

The above "resumption of production" means "resumption of production after suspension of production for more than three years" (see 12:1:2):

--- Increased the cooling time requirement for low temperature test to adapt to my country's national conditions (see 12:2:4):

--- Changed the high temperature test Bd to the test Be to adapt to my country's national conditions (see 12:2:5):

--- Increased the heating time requirement for high temperature test to adapt to my country's national conditions (see 12:2:5):

--- Changed the intermediate test to "Performance test should be carried out at the beginning of the 2nd cycle (the device is condensed at 35°C +/- 2°C):

Dew period)", to clarify the specific time of detection, so that it has better reproducibility (see 12:2:6):

--- Deleted the stipulation that the "insulation test has been done in the factory inspection, it should not be repeated in the type inspection", which is inconsistent with Table 3

shield (see 12:2:10:1):

--- Increased acceptance requirements for shock and vibration tests to suit my country's national conditions (see 12:2:12):

--- Changed the water tightness test to the shell protection level test (IP code) to suit my country's national conditions (see 12:2:13):

--- Added Chapter 13, that is, product marking and packaging requirements, in line with the factory needs of electronic devices (see Chapter 13):

The following editorial changes have been made to this document:

--- Added terms that can be agreed upon (see Chapter 1);

--- Changed part of the text of 5:1:1:2 into tabular form (see 5:1:1:2);

--- Delete the requirements of the test method (see 5:4, 5:5);

--- Added Figure 1, Figure 2 and Figure 3 (see 5:1:1:2, 5:1:2);

--- Added the note in "Maintainability" (see 6:3);

--- Changed the binary representation symbol in Figure 4, the original text is wrong (see 7:2:1);

--- Added the note in "Dimensional Requirements" (see 9:1:4);

--- Changed "*" in the list of test items to "sqrt", indicating selection (see 12:2:1);

--- Changed the resistivity of water, and changed the resistivity to conductivity, which is currently expressed by conductivity (see 12:2:6);

--- Change the terms that can be agreed between the supply and demand parties into the form of a table (see Appendix A);

--- Added the informative appendix "Loading and Running Test" (see Appendix B);

--- Changed references:

Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents:

1 Scope

This document specifies the requirements for the use, design, manufacture and testing of electronic devices installed on rolling stock in rail transit, as well as the device resistance

Basic software and hardware requirements for longevity and reliability: Additional requirements in other standards or specifications may supplement this document as appropriate

charge requirements: The terms of this document that the parties may negotiate and agree upon are set out in Appendix A:

This document applies to all control, regulation, protection, diagnosis, power supply and other electronic devices installed on rolling stock:

The device can be powered by the battery or generator on the vehicle, or by the low-voltage power supply (transformer, voltage divider, auxiliary power supply) directly or indirectly connected to the catenary:

source) power supply:

The special requirements required to ensure the functional safety level in practical applications are specified in 4:6:3:1, 4:6:3:2 and 4:6:3:2 of GB/T 21562-2008:

Appendix A OK:

Consider Software Safety Integrity Level 1 when residual risk remains and needs to be performed by a software-driven programmable electronic system

or higher, see GB/T 28808-2021:

In this document, electronic devices (hereinafter referred to as "devices") refer to devices mainly composed of semiconductor devices and other general-purpose components:

These components are usually mounted on printed boards:

Note: This document also applies to sensors (such as current, voltage, speed, etc:) and power electronic device trigger board, see GB/T 25122:1 for complete sets of trigger devices:

2 Normative references

The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations

documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to

this document:

GB/T 1402 Rail Transit Traction Power Supply System Voltage (GB/T 1402-2010, IEC 60850:2007, MOD)

GB/T 2423:1 Environmental Testing of Electrical and Electronic Products Part 2: Test Methods Test A: Low Temperature (GB/T 2423:1-

2008, IEC 60068-2-1:2007, IDT)

GB/T 2423:2 Environmental Testing of Electrical and Electronic Products Part 2: Test Methods Test B: High Temperature (GB/T 2423:2-

2008, IEC 60068-2-2:2007, IDT)

GB/T 2423:4 Environmental testing of electrical and electronic products Part 2: Test method Test Db Alternating damp heat (12h 12h cycle

Ring) (GB/T 2423:4-2008, IEC 60068-2-30:2005, IDT)

GB/T 4208 Enclosure Protection Level (IP Code) (GB/T 4208-2017, IEC 60529:2013, IDT)

GB/T 4728 (all parts) Graphical symbols for electrical schematic diagrams [IEC 60617 (all parts)]

GB/T 5080 (all parts) equipment reliability test [IEC 60030 (all parts)]

GB/T 6988:1 Preparation of Electrical Technical Documents Part 1: Rules (GB/T 6988:1-2008, IEC 61082-1:

2006, IDT)

GB/T 18290:2 Solderless Connections Part 2: General Requirements, Test Methods and Guidelines for Crimp Connections (GB/T 18290:2-

2015, IEC 60352-2:2006, IDT)

GB/T 19001 Quality Management System Requirements (GB/T 19001-2016, ISO 9001:2015, IDT)

GB/T 19520:12 Mechanical structure of electronic equipment 482:6mm (19in) series mechanical structure dimensions part 3-101: box and

Its plug-in (GB/T 19520:12-2009, IEC 60297-3-101:2004, IDT)