GB/T 37431-2019Wind turbines—Guide for infrared detection of rotor blade (English PDF)
风力发电机组 风轮叶片红外热像检测指南
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 10, 2019
Implementation date
December 1, 2019
Scope
GB/T 37431-2019 is the English-translated version of 风力发电机组 风轮叶片红外热像检测指南.
GB/T 37431-2019 is the Chinese standard "Wind turbines—Guide for infrared detection of rotor blade". Its scope clause reads: This standard specifies the general principles and methods for infrared thermal image detection of wind turbine blades.
This standard is applicable to the detection of wind turbine blade production process, delivery, local damage repair, operation and maintenance. This standard does not establish evaluation criteria.
The definition of defects and specific criteria are determined by manufacturers, users and testing parties. This standard does not fully give the safety requirements for testing.
The parties using this standard are obliged to establish appropriate safety before testing, and health guidelines. Its clauses include terms and definitions; technical overview.
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Document preview — GB/T 37431-2019
National Standard of the People's Republic of China
- ICS
- 27.180
- Classification
- F 11
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Technical Overview
- 5 General requirements
- 6 blade defect category
- 7 detection system
- 8 General procedure for infrared detection
- 9 Factory test
- Appendix A (informative) Wind power blade defects infrared non-destructive testing heat map legend
- Appendix B (informative) Flash excitation infrared thermal imaging detection example
- Appendix C (informative) Laser Excited Infrared Thermal Image Detection Example
- Appendix D (informative) Halogen lamp excitation infrared thermal image detection example
- Appendix E (informative) Solar radiation excitation test example
- Appendix F (informative) Test plan reference element
- Appendix G (informative appendix) Example of factory inspection requirements
1 Scope
This standard specifies the general principles and methods for infrared thermal image detection of wind turbine blades.
This standard is applicable to the detection of wind turbine blade production process, delivery, local damage repair, operation and maintenance.
This standard does not establish evaluation criteria. The definition of defects and specific criteria are determined by manufacturers, users and testing parties.
This standard does not fully give the safety requirements for testing. The parties using this standard are obliged to establish appropriate safety before testing.
And health guidelines.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 2900.53 Electrotechnical terminology wind turbine
GB/T 3961 fiber reinforced plastic terminology
GB/T 5616 Non-destructive testing application guidelines
GB 7247.1 Safety of laser products - Part 1. Equipment classification, requirements
GB/T 7247.14 Safety of laser products - Part 14. User guide
GB/T 9445 Non-destructive testing personnel qualification and certification
GB/T 12604.9 Non-destructive testing terminology infrared detection
GB 19517 National Electrical Equipment Safety Technical Specification
GB/T 20737 General Terms and Definitions for Nondestructive Testing
GB/T 26643-2011 Guide for non-destructive testing of flash excitation infrared thermal imaging
GB/T 26643.3-2015 Non-destructive testing - Flash excitation - Thermal imaging method - Part 3
GB/T 31768.2-2015 Non-destructive testing - Flashing excitation - Thermal imaging - Part 2
GB/T 31768.4 Non-destructive testing - Flashing excitation - Thermal imaging method - Part 4
GJB5304 Military Composite Terminology
3 Terms and definitions
Terms and terms defined in GB/T 2900.53, GB/T 3961, GB/T 5616, GB/T 12604.9, GB/T 20737 and GJB5304
The definition applies to this document.
4 Technical Overview
4.1 Infrared thermal image detection
Infrared thermal image detection by heating the object to be measured, the internal defects, damage and structural thermal characteristics of the difference will affect the corresponding surface […]
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 20 pages — is available in the English PDF.
Referenced standards
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