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GB 10494-2018: Technical specification for crossing signal equipment in wayside Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB 10494: Historical versions
Similar standardsGB 10494-2018: Technical specification for crossing signal equipment in wayside---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/GB10494-2018ICS 45.020 CCS S61 ForewordThe full technical content of this standard is mandatory. This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard replaces GB 10494-1989 "Technical Conditions for Railway Intersection Signal Equipment". Compared with GB 10494-1989, except for editing The main technical changes outside the series are as follows. --- Deleted "The crossing signal device is a kind of safety protection facility installed at the railway crossing. The industrial and mining enterprise railway can also refer to carried out. (see Chapter 1 of the 1989 edition); --- Removed the "by guarding the situation is divided into 'the guarded crossings' and 'unmanned crossings'" (see 3.1 of the 1989 edition); --- Removed the definition of "interval crossing" (see 3.2 of the 1989 edition); --- Deleted the definition of "speed measurement alarm" (see 3.3 of 1989 edition); --- Added "intersection crossings of adjacent stations", "crossing signals", "crossing signals", "crossing signal", "train approach notification" Terms and definitions such as “close to segment length” (see 3.2, 3.3, 3.6, 3.7, 3.9, 3.10); ---Modified environmental conditions (see Chapter 4, version 4.14.1 of the 1989 edition); --- Removed the requirement that "the main equipment and principle circuit of the crossing signal must be approved by the prescribed procedures" (see 1989 edition) 4.1); --- Added the requirement that "the crossing signal should ensure that the signal of the road direction and the railway direction should not be opened at the same time when the train approaches" (see 5.2); --- Revised the design principle of the crossing signal (see 5.3, 5.4, 5.5, 4.3 of the 1989 edition); --- Removed "light signal available audio supplement" (see 4.3.2 of the 1989 edition); --- Removed the "flashing red light (or bright steady red light), and must not display the moonlight" (see 4.3.4 of the 1989 edition); --- Deleted the "manned guard crossing in the single or double line section (line distance of 5m) should be no less than 40s, unattended crossing It should be no less than 30s; in special cases, it can be extended according to the calculation" (see 5.6, 1989 edition 4.5); --- Revised the requirements for the collection of train approach notification information (see 5.7, 4.6 of the 1989 edition); --- Revised the requirements for power supply (see 5.10, 4.7 of the 1989 edition); --- Modified the requirements of the crossing signal (see 5.11, 5.12, 1989 version 4.4.1, 4.14.2); --- Removed the white light display, increased power or equipment failure information (see 5.13, 1989 version 4.4.2); --- Revised the requirements of the audio (see 5.14, 5.15, 4.4.3, 4.14.3 of the 1989 edition); --- Modified the requirements for the crossing signal of the crossing (see 5.17, 5.18, 5.19, 5.20, 4.11 of the 1989 edition); --- Deleted the section of the busy road crossing, in order to improve road driving efficiency, it is advisable to use automatic with speed alarm Signal" (see 4.13 of the 1989 edition); ---Modified the requirements of automatic column wood (see 5.21, 5.22, 5.23, 4.15 of the 1989 edition); ---Modified the setting principle of the control panel and the dial of the crossing (see 5.24, 5.25, 5.26, 5.27, 4.16, 4.17 of the 1989 edition, 4.18); --- Increased the requirements of the crossing machinery room (see 5.28); --- Revised the requirements for monitoring equipment (see 5.29, 4.8 of the 1989 edition); --- Increased the requirements for dustproof and waterproof outdoor equipment (see 5.30); --- Increased reliability, availability, maintainability and safety requirements (see 5.33); --- Increased requirements for control and protection system software (see 5.34); --- Increased requirements for safety related electronic systems for signals (see 5.35); --- Increased electromagnetic compatibility performance requirements (see 5.36); --- Revised the train approach notification time and the approximate segment length calculation formula (see Appendix A, Appendix A of the 1989 edition). This standard is proposed and managed by the National Railway Administration. This standard was drafted by Beijing Quandao Communication Signal Research and Design Institute Group Co., Ltd. The main drafters of this standard. An Haijun, Pan Jijun, Luo Song, Fu Gang, Chen Lihua, Yin Huiyuan. The previous versions of the standards replaced by this standard are. ---GB 10494-1989. Technical conditions for railway crossing signal equipment1 ScopeThis standard specifies the terms and definitions, environmental conditions and technical requirements of signal devices for railway crossings. This standard applies to crossings located in the railway section.2 Normative referencesThe following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article. Pieces. For undated references, the latest edition (including all amendments) applies to this document. GB 1589-2016 Car, trailer and car train profile size, axle load and mass limit GB 3096-2008 Acoustic Environmental Quality Standard GB 10493 Railway station internal crossing signal equipment technical conditions GB 14886-2016 Road traffic signal installation and installation specifications GB 14887-2011 road traffic lights GB/T 21562-2008 Rail transit reliability, availability, maintainability and safety specifications and examples (IEC 62278. 2002, IDT) GB/T 24338.5-2009 Electromagnetic compatibility of rail transit - Part 4. Transmission and immunity of signal and communication equipment (IEC 62236-4.2003, IDT) GB/T 28808-2012 Rail transit communication, signal and processing system control and protection system software (IEC 62279.2002, IDT) GB/T 28809-2012 Safety-related electronic systems for signals for rail transit, signalling and processing systems (IEC 62425. 2007, IDT)3 Terms and definitionsThe following terms and definitions apply to this document. 3.1 The width of the pavement on the railway line is 2.5m and above, which directly intersects the plane through which the road passes. 3.2 Located outside the inbound signal, the distance from the inbound signal (or station landmark) to the crossing is less than the length of the required section. 3.3 The general name for the signal and protective equipment installed at the railway crossing. 3.4 When the train approaches the crossing, it automatically knows the mouth guard. 3.5 When the train approaches or leaves the crossing, a signal indicating that the passage is prohibited or permitted is automatically displayed in the direction of the road. 3.6 Facing the road, indicating the means by which road vehicles or pedestrians are prohibited or permitted to pass. 3.7 A device that prohibits passage is displayed to the train. 3.8 According to the information of the train approaching and leaving the crossing, the automatic action of the crossing bar. 3.9 The time when the road vehicle passes the crossing at the specified minimum speed, the action time of the crossing of the crossing bar, and the emergency braking of the train driver The time and the sum of the time that is appropriately increased according to the actual use of the crossing. 3.10 The length of the train approaching the notification time, the length of the crossing center to the length of the intercepting signal, and the length of the train's emergency braking.4 Environmental conditions4.1 Ambient temperature is. a) Indoor. -5 °C ~ +40 °C; no temperature control place in alpine region. -25 °C ~ +40 °C; b) Outdoor. -40 ° C ~ +70 ° C. 4.2 Relative humidity is. a) Indoor. no more than 85% (at a temperature of +25 ° C); b) Outdoor. no more than 95% (at a temperature of +25 ° C). 4.3 Atmospheric pressure is. a) not less than 70.1kPa (conventional type. altitude not exceeding 3000m); b) Not less than 54.0 kPa (high prototype. altitude not exceeding 5000 m). 4.4 The vibration conditions are. a) Indoor. sinusoidal steady-state vibration with an acceleration of 5m/s2 should be able to withstand from 10Hz to 150Hz; b) Outdoor. It should be able to withstand sinusoidal steady-state vibration with an acceleration of 10m/s2 at 10Hz~500Hz. 4.5 There are no corrosive gases and no harmful gases that may cause an explosion hazard.5 Technical requirements5.1 crossing signal equipment is divided into the following four categories. a) Automatic notification device at the crossing; b) crossing automatic signal equipment; c) automatic notification of crossings and automatic signalling devices for crossings; d) Automatic notification of crossings and automatic signal of crossings, automatic bar equipment. 5.2 The crossing signal shall ensure that when the train approaches, the signals of the road direction and the railway direction shall not be opened at the same time. 5.3 The crossing signal shall ensure that when any train approaches the crossing, it shall automatically know the mouth guard or report to the road direction, and the alarm shall comply with The following requirements. a) When using the automatic notification device of the crossing, the warning should be given to the crossing guard; b) When using the automatic signal device of the crossing, it should report to the road direction; c) When using the automatic notification of the crossing and the automatic signal equipment of the crossing, the warning should be given to the road direction and the crossing guard; d) When using the automatic notification of crossings and the automatic signal of crossings and automatic bar equipment, the warning should be given to the road direction and the crossing guards; e) When the alarm mode uses audio and light signals, the room should be equipped with an audio cutting device. 5.4 The control conditions for sensing and logic judgmen... ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. 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