NB/T 11452-2023 English PDF

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NB/T 11452-2023: Monitoring device for armored face conveyor
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
NB/T 11452-2023	399	Add to Cart	4 days	Monitoring device for armored face conveyor	Valid

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Basic data

Standard ID: NB/T 11452-2023 (NB/T11452-2023)
Description (Translated English): Monitoring device for armored face conveyor
Sector / Industry: Energy Industry Standard (Recommended)
Classification of Chinese Standard: D98
Classification of International Standard: 29.260.20
Word Count Estimation: 18,194
Date of Issue: 2023-12-28
Date of Implementation: 2024-06-28
Issuing agency(ies): National Energy Administration

NB/T 11452-2023: Monitoring device for armored face conveyor

---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
NB/T 11452-2023 English version. Monitoring device for armored face conveyor ICS 29.260.20 CCSD98 Energy Industry Standards of the People's Republic of China Monitoring device for scraper conveyor equipment Released on 2023-12-28 2024-06-28 Implementation The National Energy Administration released

Table of Contents

Preface III 1 Scope 1 2 Normative references 1 3 Terms and Definitions 1 4 Product type and model compilation 2 4.1 Product Type 2 4.2 Model compilation 2 5 Technical Requirements 2 5.1 General requirements 2 5.2 Environmental conditions 2 5.3 Basic parameters 2 5.4 Monitoring device functions 3 5.5 Power supply fluctuation adaptability range 3 5.6 Appearance 3 5.7 Structure 4 5.8 Enclosure protection grade 4 5.9 Explosion-proof performance 4 5.10 Clearance and creepage distance 4 5.11 Electrical safety 4 5.12 Environmental adaptability 5 5.13 Cable connection and wiring 6 5.14 Electrical protection 6 5.15 Grounding 6 6 Test methods 6 6.1 Test conditions 6 6.2 Functional test 7 6.3 Power supply fluctuation adaptability test 7 6.4 Appearance inspection 7 6.5 Structural inspection 8 6.6 Enclosure protection level test 8 6.7 Explosion-proof performance test 8 6.8 Clearance and creepage distance 8 6.9 Electrical safety test 8 6.10 Environmental adaptability test 8 6.11 Cable connection and wiring inspection 9 6.12 Electrical protection inspection 9 6.13 Grounding Check 9 7 Inspection Rules 9 7.1 Inspection categories 9 7.2 Factory Inspection 9 7.3 Type inspection 10 8 Logo and packaging10 8.1 Sign 10 8.2 Packaging 11

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. Please note that some of the contents of this document may involve patents. The issuing organization of this document does not assume the responsibility for identifying patents. This document was proposed by the China Coal Industry Association. This document is under the jurisdiction of the Coal Industry Coal Mine Special Equipment Standardization Technical Committee. This document was drafted by. Ningxia Tiandi Benniu Industrial Group Co., Ltd., China Coal Technology and Engineering Group Taiyuan Research Institute Co., Ltd., Taiyuan Coal Science Testing Technology Co., Ltd. and China Coal Zhangjiakou Coal Mine Machinery Co., Ltd. The main drafters of this document are. Liu Qinghua, Feng Jingpu, Shi Lan, Song Yan, Li Haifeng, Wang Yimeng, Wang Pan, Liu Weili, Liu Jianwei, Zheng Yang, Fan Yilong, Wang Caijun, Jia Yongling, and Zhang Jianjun. Monitoring device for scraper conveyor equipment

1 Scope

This document specifies the product types and model compilation, technical requirements, test methods, inspection rules and And logo and packaging. This document applies to the design, manufacture and inspection of monitoring devices for scraper conveyor equipment (hereinafter referred to as "monitoring devices").

2 Normative references

The contents of the following documents constitute the 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 156 Standard Voltage GB/T 191 Pictorial markings for packaging, storage and transportation GB/T 762 standard current level GB/T 2423.1 Environmental testing for electric and electronic products Part 2.Test methods Test A. Low temperature GB/T 2423.2 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 2423.10 Environmental testing Part 2.Test methods Test Fc. Vibration (sinusoidal) GB/T 3836.1-2021 Explosive atmospheres Part 1.General requirements for equipment GB/T 3836.2-2021 Explosive atmospheres Part 2.Equipment protected by flameproof enclosure "d" GB/T 3836.4-2021 Explosive atmospheres Part 4.Equipment protected by intrinsic safety type "i" GB/T 4208-2017 Enclosure protection degree (IP code) 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 13384 General technical requirements for packaging of electromechanical products GB/T 14048.1-2023 Low-voltage switchgear and controlgear Part 1.General GB/T 17626.3 Electromagnetic compatibility test and measurement technology Radio frequency electromagnetic field radiation immunity test AQ1043 Mining Product Safety Signs and Labels MT/T 154.2 Method for compiling model numbers of electromechanical products for coal mines Part 2.Method for compiling model numbers of electrical products MT209 General technical requirements for electrical and electronic products used for communication, detection and control in coal mines MT210 Basic test methods for electrical and electronic products used for communication, detection and control in coal mines MT/T 661-2011 General technical requirements for electrical equipment used in underground coal mines MT/T 1008-2006 General technical requirements for coal mine safety production monitoring system software

3 Terms and definitions

The following terms and definitions apply to this document. ......

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