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GB/T 6424-2021: Flat plate solar collectors
Status: Valid GB/T 6424: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 6424-2021 | English | 569 |
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Flat plate solar collectors
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GB/T 6424-2021
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| GB/T 6424-2007 | English | RFQ |
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Flat plate solar collectors
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GB/T 6424-2007
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| GB/T 6424-1997 | English | 479 |
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Specification for flat plate solar collectors
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GB/T 6424-1997
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| GB/T 6424-1986 | English | RFQ |
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Specification for flat-plate solar collector products
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GB/T 6424-1986
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PDF similar to GB/T 6424-2021
Basic data | Standard ID | GB/T 6424-2021 (GB/T6424-2021) | | Description (Translated English) | Flat plate solar collectors | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | F12 | | Word Count Estimation | 30,337 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 6424-2021: Flat plate solar collectors---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.
Flat plate solar collectors
ICS 27:160
CCSF12
National Standards of People's Republic of China
Replacing GB/T 6424-2007
Flat-plate solar collector
Published on 2021-12-31
2022-07-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration
directory
Preface I
1 Scope 1
2 Normative references 1
3 Terms and Definitions 1
4 Symbols and Units 1
5 Product classification and marking 2
6 Technical Requirements 4
7 Test method 6
8 Inspection rules 10
9 Marking, packaging, transportation, storage 11
10 Inspection report 11
Appendix A (Normative) Symbols and Units 12
Appendix B (informative) Recommended materials for flat panel solar collector components 13
Appendix C (normative) Flat-plate solar collector inspection report format 14
Reference 27
Figure 1 Schematic diagram of the structure of a flat-plate solar collector (tube-plate type) 2
Figure 2 Schematic diagram of the daylighting area of a flat-panel solar collector (tube plate type)7
Table 1 Recommended external dimensions of flat-plate solar collectors2
Table 2 Structural type symbols of flat plate solar collector heat sinks Table 3
Table 3 Table 3 Symbols of material types of heat sinks for flat-plate solar collectors
Table 4 Collector power5
Table 5 Test sequence and test items of flat-plate solar collectors 6
Table A:1 Symbols and units 12
Table B:1 Materials used for the contact part between the heat sink and the heat transfer medium 13
Table B:2 Materials for Transparent Covers 13
Table B:3 Materials for thermal insulation 13
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 of Standardization Documents"
drafted:
This document replaces GB/T 6424-2007 "Flat-plate solar collectors": Compared with GB/T 6424-2007, except for structural adjustment and
In addition to editorial changes, the main technical changes are as follows:
a) The definitions, technical requirements and test methods of rated efficiency and rated power have been added (see 3:1, 3:2, 6:2:13, 7:14);
b) Added the structure type of flat-plate solar collector (see 5:1:1);
c) Changed the recommended plane size of flat-plate solar collectors (see 5:1:3, 5:1:3 of the:2007 edition);
d) Added the label of the maximum working temperature of flat-plate solar collectors (see 5:2, 9:1);
e) The technical requirements for the heat sink coating of flat-plate solar collectors have been improved (see 6:1:2);
f) The technical requirements for the transmittance of flat-plate solar collectors have been improved (see 6:1:3);
g) The technical requirements for thermal conductivity of insulators have been improved (see 6:1:4);
h) Added the technical requirements and test methods for the deviation of the nominal daylighting area for the appearance test of flat-plate solar collectors (see 6:2:1,
7:2);
i) The technical requirements and test methods for the strength of flat-plate solar collectors have been deleted (see 6:2:4 and 7:5 of the:2007 edition);
j) Added technical requirements and test methods for mechanical load of flat-plate solar collectors (see 6:2:4, 7:5);
k) Added technical requirements and test methods for standard stagnation temperature of flat-plate solar collectors (see 6:2:7, 7:8);
l) Added technical requirements and test methods for the maximum working temperature of flat-plate solar collectors (see 6:2:12, 7:13);
m) Changed the technical requirements and test methods for the thermal performance of flat-plate solar collectors (see 6:2:13, 7:14,:2007 edition of the
6:1:11, 7:12);
n) Changed the content of the test sequence of flat-plate solar collectors (see 7:1, 7:1 of the:2007 edition);
o) The test method for the coating of flat-plate solar collectors is deleted (see 7:15 and 7:16 of the:2007 edition);
p) Changed the test method for flat panel solar collectors (see 7:7, 7:7 of the:2007 edition);
q) Changed the test method for flat-panel solar collectors exposed to rain (see 7:11, 7:10 of the:2007 edition);
r) The test method for the transmittance of flat-plate solar collectors is deleted (see 7:17 of the:2007 edition);
s) Deleted the recommended technical conditions for flat-plate solar collector coatings (see Appendix C of the:2007 edition):
Please note that some content of this document may be patented: The issuing agency of this document assumes no responsibility for identifying patents:
This document is proposed and managed by the National Solar Energy Standardization Technical Committee (SAC/TC402):
This document was drafted by: China National Institute of Standardization, China Academy of Building Research Co:, Ltd:, Sunrise Oriental Holdings Co:, Ltd:,
Shandong Linuorit New Energy Co:, Ltd:, National Solar Water Heater Quality Supervision and Inspection Center (Beijing), Beijing Building Materials Inspection and Research Institute
Co:, Ltd:, Shandong Sangle Group Co:, Ltd:, Qingdao Economic and Technological Development Zone Haier Water Heater Co:, Ltd:, Huangming Solar Energy Co:, Ltd:
Company, Four Seasons Muge Technology Group Co:, Ltd:, Sun Rain Group Co:, Ltd:, Xi'an University of Architecture and Technology, Beijing University of Technology, Samp Energy
Technology Co:, Ltd:, Chinese Academy of Sciences Institute of Engineering Thermophysics, Chinese Academy of Sciences Future Energy System Research Institute, Chinese Academy of Sciences Chongqing Green Intelligent Technology
Research Institute, National Key Laboratory of Market Supervision (Energy Efficiency, Water Efficiency and Greening), Zibo Boyi New Energy Technology Development Co:, Ltd:, China Ocean
University, Hubei Xiangxu Construction Engineering Co:, Ltd:, Shandong Zhongke Blue Sky Technology Co:, Ltd:, Tibet Ambitburg Energy Technology Co:, Ltd:, Shandong
Kingpu Solar Technology Co:, Ltd:, Yuxin Sunshine (Beijing) Energy Technology Co:, Ltd:, Jianke Environmental Energy Technology Co:, Ltd:
The main drafters of this document: Zhang Xinyu, Liu Meng, He Tao, Gu Xiuzhi, Jiao Qingtai, Li Peilun, Zhang Lei, Wang Min, An Lijuan, Yang Chuntao,
Li Bojia, Liu Haibo, Deng Yu, Wang Shuhuai, Li Kaichun, Wang Dengjia, Yang Jie, Quan Zhenhua, Sun Shoujian, Lu Shirong, Zhao Yaohua, Zhang Xiaoming, Wang Wei,
Zhang Hualiang, Xu Junxiao, Song Huihua, Qiu Discovery, Zai Xiangpeng, Wang Lincheng, Yu Yinghe, Huang Zhulian, Wang Boyuan, Shao Jiajia:
This document was first published as GB/T 6424-1986 in 1986, revised for the first time in:1997, and revised for the second time in:2007, this time for
Third revision:
Flat-plate solar collector
1 Scope
This document specifies the symbols and units, product classification and marking, technical requirements, test methods, and inspection regulations of flat-panel solar collectors:
regulations, marking, packaging, transportation, storage and inspection reports:
This document applies to the use of solar radiation heating, the heat transfer medium is liquid flat-plate solar collectors:
2 Normative references
The contents of the following documents constitute essential provisions of this document through normative references in the text: Among them, dated citations
documents, only the version corresponding to that date applies to this document; for undated references, the latest edition (including all amendments) applies to
this document:
GB/T 191 Graphical signs of packaging, storage and transportation
GB/T 1800:1-2020 Product Geometric Specifications (GPS) Linear Dimension Tolerance ISO Code System Part 1: Tolerances,
Basis of Deviation and Fit
GB/T 4271 Test method for solar collector performance
GB/T 12467:3 Quality requirements for fusion welding of metallic materials Part 3: General quality requirements
GB/T 12936 Terms for Solar Thermal Utilization
GB/T 13384 General technical conditions for packaging of mechanical and electrical products
GB/T 26974 Technical requirements for heat sinks of flat-plate solar collectors
3 Terms and Definitions
The terms and definitions defined in GB/T 4271 and GB/T 12936 and the following terms and definitions apply to this document:
3:1
maximum operating temperature
The maximum temperature allowed by the collector or the collector system in normal operation as indicated by the manufacturer:
3:2
ratedefficiency
When the total irradiance on the lighting surface of the collector is 1000W/m2, and the temperature difference between the average temperature of the collector and the ambient air temperature is 50℃, the
The efficiency value of the solar collector is calculated according to the instantaneous efficiency equation of the collector based on the lighting area:
3:3
rated power ratedpower
When the total irradiance on the lighting surface of the collector is 1000W/m2, and the temperature difference between the average temperature of the collector and the ambient air temperature is 50℃
The power of the collector is equal to the product of the rated efficiency, the lighting area and the three values of 1000W/m2:
4 Symbols and units
The symbols and units used in this document are in accordance with Table A:1 of Appendix A:
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