NB/T 10759-2021Water level controller for mining (English PDF)

Foreword

This document is given in accordance with GB/T 1.1-2020 "Standardization Work Guidelines Part 1: Structure and Drafting Rules of Standardization Documents" Drafting of regulations.

1 Scope

This document specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage.

This document applies to mine water level controllers (hereinafter referred to as "controllers") for underground pools and positive and negative pressure drainage pipelines.

2 Normative references

The contents of the following documents constitute essential provisions of the documents through normative references in the text. Among them, the dated reference documents, Only the edition corresponding to that date applies to the document; for undated references, the latest edition (including all amendments) applies to this document document.

GB/T 156-2017 Standard Voltage

GB/T 191-2008 Graphical signs of packaging, storage and transportation

GB/T 2423.1-2008 Environmental Testing of Electrical and Electronic Products Part 2: Test A. Low Temperature

GB/T 2423.2-2008 Environmental testing of electrical and electronic products - Part 2: Test B. High temperature

GB/T 2423.4-2008 Environmental Testing of Electrical and Electronic Products Part 2: Test Db. Alternating Damp Heat (12h 12h Cycle);

GB/T 2423.5-2019 Environmental Testing Part 2: Test Methods Test Ea and Guidelines. Shock

GB/T 2423.10-2019 Environmental Testing Part 2: Test Methods Test Fc. Vibration (Sinusoidal)

GB/T 2900.1-2008 Basic terminology of electrical terminology

GB 3836.1 Explosive Atmospheres Part 1: General Requirements for Equipment

GB 3836.2 Explosive Atmospheres Part 2: Equipment protected by flameproof enclosure "d"

GB 3836.3 Explosive Atmospheres Part 3: Equipment Protected by Increased Safety "e"

GB 3836.4 Explosive Atmospheres Part 4: Equipment protected by intrinsically safe "i"

GB/T 4208 enclosure protection class (IP code)

GB/T 9969 General Principles of Instruction Manual for Industrial Products

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

GB/T 12173 General electrical equipment for mining

GB/T 17626.3 Electromagnetic Compatibility Test and Measurement Technology Radio Frequency Electromagnetic Field Radiation Immunity Test

GB/T 17626.4 Electromagnetic Compatibility Test and Measurement Technology Electrical Fast Transient Burst Immunity Test

GB/T 17626.5 Electromagnetic Compatibility Test and Measurement Technology Surge (Shock) Immunity Test

AQ1043-2007 Mining Product Safety Signs

MT/T 154.2 Model preparation method for mechanical and electrical products used in coal mines - Part 2: Model preparation method for electrical products

MT/T 209-1990 General technical conditions for electrical and electronic products for coal mine communication, detection and control

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

MT/T 825 General specification for mine water level sensor

MT/T 899 Information Transmission Device for Coal Mine