GB/T 38519-2020 in English
VALIDFire alarm system for rolling stock
- Issued on:2020-03-06
- Implemented on:2020-10-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$243.00
| Standard No: | GB/T 38519-2020 |
| Document status: | VALID |
| Title in English: | Fire alarm system for rolling stock |
| Title in Chinese: | 机车车辆火灾报警系统 |
| Language: | English |
| File Format: | Electronic (PDF) |
| Delivery: | Via email within 1~3 business days |
| Issued on: | 2020-03-06 |
| Implemented on: | 2020-10-01 |
| ICS Classification: | 45.060.01-Railway rolling stock in general |
| Chinese Classification: | S34-Universal parts |
| Professional Classification: | GB-National Standard |
| Related Keywords: | stock fire alarm system
fire alarm system fire alarm systems fire alarm controllers other rail transit equipment standards system composition fire alarm controller + fire detector |
| Related Topics: | police
disaster Fire alarm alarm system Fire alarm fire alarm system GBT38519 GB/T 38519-2020 alarm system Vehicle three defense system vehicle peripheral vision system |
《GB/T 38519-2020机车车辆火灾报警系统》由347（国家铁路局）归口，主管部门为国家铁路局。
Introduction
Interpretation of GB/T 38519-2020 "Rolling Stock Fire Alarm System" Standard
1. Background and Significance of Standard Formulation
Rolling stock is an important means of transportation, and its safety is directly related to the safety of life and property of passengers and staff. In order to ensure the safety of railway transportation, GB/T 38519-2020 "Rolling Stock Fire Alarm System" standard came into being, aiming to standardize the terminology, composition, technical requirements and inspection methods of fire alarm systems.
2. Comparative analysis of standard frameworks
| Standard dimensions | GB/T 38519—2020 | Comparative dimensions |
|---|---|---|
| Definition of terms | Clear terms such as fire alarm system and detector | Keep consistent with GB/T5907.5—2015 and supplement and refine |
| Use conditions | Ambient temperature: -40℃~+40℃ (altitude and cold regions) | Coordinate and unify with other rail transit equipment standards |
| System composition | Fire alarm controller + fire detector (smoke, temperature, etc.) | New requirements for cable-type linear heat detectors and flame detectors |
3. Analysis of core technical requirements
6.1 Requirements for fire alarm controllers:
- Power supply voltage: DC24V, DC48V, etc., with high priority
- Communication function: support MVB, RS485 and other interfaces
- Alarm response time: ≤10s
6.3 Technical parameters of detectors:
Case study of point-type smoke detectors
Taking point-type smoke fire detectors as an example, its main performance includes:
- Smoke alarm threshold: 0.14dB/m~0.3dB/m
- Alarm response time: ≤30s
- Protection level: IP20 (customizable)
4. Implementation suggestions and precautions
To ensure the effective operation of the fire alarm system, it is recommended to:
- Selection: Select the appropriate detector type (smoke, temperature or composite) according to the vehicle environment
- Installation: Strictly fix the position according to the standard requirements to avoid mechanical damage
- Maintenance: Regularly check the sensitivity of the detector and the communication function of the system
5. Future development prospects of the standard
With the development of intelligent rail transit, the fire alarm system will evolve towards intelligent perception and interconnection. It is recommended to add relevant requirements for the application of Internet of Things technology and artificial intelligence in future standard revisions.
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