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NB/T 11521-2024General technical conditions of monitoring system for mine patrol inspection instrument (English PDF)

矿用巡检仪监控系统通用技术条件

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Issued by

NEA

Level / Type

Industry · Recommended

Issue date

May 24, 2024

Implementation date

November 24, 2024

Scope

NB/T 11521-2024 is the English-translated version of 矿用巡检仪监控系统通用技术条件.

NB/T 11521-2024 lays down the general technical conditions for monitoring systems that manage patrol inspection instruments in coal mines.

Such a system handles the methane, carbon monoxide, smoke, oxygen, temperature, audio and video data gathered by the inspection instrument, controls the instrument automatically, remotely or manually, plans inspection routes and analyses the data.

The standard classifies systems by network structure (star, tree or bus) and by working method, then sets technical requirements, test methods and inspection rules, with electromagnetic immunity and explosion protection among them.

It applies to the design and inspection of the monitoring system, not to the patrol inspection instruments themselves. Issued on 24 May 2024, it has applied since 24 November 2024.

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Document preview — NB/T 11521-2024

National Standard of the People's Republic of China

ICS: 73.100.99
Classification: D 98

Issued by: National Energy Administration of the People's Republic of China

Preface
1 Scope
2 Normative references
3 Terms and Definitions
4 Product Categories
5 Technical Requirements
6 Test methods
7 Inspection Rules

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 for standardization documents" Drafting.

1 Scope

This document specifies the product classification, technical requirements and inspection rules for mining patrol monitoring systems, and describes the corresponding test methods.

This document is applicable to the design and inspection of mining patrol meter monitoring systems (hereinafter referred to as the system), and is not applicable to the design and inspection of patrol meters.

2 Normative references

The contents of the following documents constitute essential clauses of this document through normative references in this document.

For referenced documents without a date, only the version corresponding to that date applies to this document; for referenced documents without a date, the latest version (including all amendments) applies to this document.

GB/T 2887 General Specification for Computer Sites GB (GB/T) 3836 (all parts) Explosive atmospheres

GB/T 10111 Generation of random numbers and their application in product quality sampling inspection

GB/T 17626.2 Electromagnetic compatibility test and measurement technology Electrostatic discharge immunity test

GB/T 17626.3 Electromagnetic compatibility test and measurement technology Part 3: Radio frequency electromagnetic field radiation immunity test

GB/T 17626.4 Electromagnetic compatibility test and measurement technology Electrical fast transient pulse group immunity test

GB/T 17626.5 Electromagnetic compatibility test and measurement technology Surge (impact) immunity test

MT/T 286 Coal mine communication and automation product model compilation method and management method

MT/T 772-1998 Main performance test methods of coal mine monitoring system

MT/T 899-2000 Information transmission device for coal mines

MT/T 1004-2006 General technical requirements for coal mine production safety monitoring system

3 Terms and definitions

The terms and definitions defined in MT/T 1004-2006, MT/T 899-2000 and the following apply to this document.

3.1 Mine patrol inspection instrument monitoring system

It is mainly used to monitor the methane concentration, carbon monoxide concentration, smoke, oxygen concentration, temperature, audio and video data collected by the inspection instrument, and realize

The system has functions of automatic control, remote control and manual control of the inspection instrument, inspection route planning, data analysis, etc.

4 Product Categories

4.1 Classification

4.1.1 Classification by network structure

a) Star shape;

b) tree shape; c) Bus shape.

4.1.2 Classification by working method

......
This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.

Referenced standards

Normative references

MT/T 772-1998 · MT/T 899-2000

Similar standards

NB/T 11460-2023|NB/T 11461-2023|NB/T 11526-2024|NB/T 11633-2024|NB/T 11646-2024|GB/T 38847-2020

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