NB/T 11447-2023Life detector for mine (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 for standardization documents" Drafting.

1 Scope

This document specifies the product model, classification, technical requirements and other requirements of mine life detectors based on the radar detection principle (hereinafter referred to as life detectors). Requirements, test methods, inspection rules, marking, packaging, transportation and storage.

This document is applicable to mine life detectors based on radar principles used in workplaces such as underground coal mines, open-pit coal mines, and non-coal mines.

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 191 Pictorial markings for packaging, storage and transportation

GB/T 2423.1-2008 Environmental testing for electric and electronic products Part 2: Test methods Test A. Low temperature

GB/T 2423.2-2008 Environmental testing for electric and electronic products Part 2: Test methods Test B. High temperature

GB/T 2423.4-2008 Environmental testing for electric and electronic products Part 2: Test methods Test Db. Cyclic damp heat (12h 12h cycle)

GB/T 2423.5-2019 Environmental testing Part 2: Test method Test Ea and guidance. Impact

GB/T 2423.7-2018 Environmental testing Part 2: Test methods Test Ec. Impact caused by rough operation (mainly used for Equipment type sample)

GB/T 2423.10-2019 Environmental testing Part 2: Test methods Test Fc. Vibration (sinusoidal)

GB/T 3836.1 Explosive atmospheres Part 1: General requirements for equipment

GB/T 3836.2 Explosive atmospheres Part 2: Equipment protected by flameproof enclosure "d"

GB/T 3836.3 Explosive atmospheres Part 3: Equipment protected by increased safety "e"

GB/T 3836.4 Explosive atmospheres Part 4: Equipment protected by intrinsic safety type "i"

GB/T 9969 General principles for instructions for use of industrial products

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

GB/T 12173 General electrical equipment for mining

AQ1043 Mining Product Safety Signs and Labels

MT/T 210-1990 Basic test methods for electrical and electronic products used for communication, detection and control in coal mines

3 Terms and definitions

The following terms and definitions apply to this document