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GB/T 38317.21-2019: Space and fixing dimensions for smart electricity meter -- Part 21: Structure of A-type
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Space and fixing dimensions for smart electricity meter -- Part 21: Structure of A-type
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GB/T 38317.21-2019
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Basic data | Standard ID | GB/T 38317.21-2019 (GB/T38317.21-2019) | | Description (Translated English) | Space and fixing dimensions for smart electricity meter -- Part 21: Structure of A-type | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | N22 | | Classification of International Standard | 17.220.20 | | Word Count Estimation | 94,977 | | Date of Issue | 2019-12-10 | | Date of Implementation | 2020-07-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38317.21-2019: Space and fixing dimensions for smart electricity meter -- Part 21: Structure of A-type
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(Intelligent electric energy meter structure and installation dimensions Part 21. Structure A)
ICS 17.220.20
N22
National Standards of People's Republic of China
Smart watt-hour meter outline structure and installation dimensions
Part 21. Structure A
Part 21. Structure of A-type
2019-12-10 release
2020-07-01 implementation
State Administration of Market Supervision
Published by the National Standardization Management Committee
Contents
Foreword Ⅴ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Requirement 1
4.1 General requirements 1
4.2 Overall structure and installation dimensions and colors 1
4.3 Communication module 2
4.4 Barcode structure and size requirements 2
4.5 Material and process requirements 2
Appendix A (Normative Appendix) Single Phase Remote Charge Control Intelligent Energy Meter Dimension Figure 4
Appendix B (Normative Appendix) Single-phase Local Charge Control Smart Energy Meter Dimension Figure 12
Appendix C (Normative Appendix) Single-phase remote charge control (communication module) smart energy meter size chart 20
Appendix D (Normative Appendix) Single-phase Local Charge Control (Communication Module) Smart Energy Meter Size Figure 28
Appendix E (Normative Appendix) Three-phase smart energy meter size chart 36
Appendix F (Normative Appendix) Three-phase Local Charge Control Smart Energy Meter Dimension Figure 46
Appendix G (Normative Appendix) Three-phase remote charge control smart energy meter size chart 56
Appendix H (Normative Appendix) Three-Dimensional Local Charge Control Smart Energy Meter (External Communication Module) Dimensions Figure 66
Appendix I (Normative Appendix) Three-phase remote charge-control intelligent electric energy meter (external communication module)
Figure A.1 Schematic diagram of the appearance of the energy meter 4
Figure A.2 Printing position of energy meter Figure 5
Figure A.3 Schematic diagram of the opening of the energy meter 6
Figure A.4 Schematic diagram of the side/rear view of the energy meter 7
Figure A.5 Schematic diagram of terminal dimensions of electric energy meter 8
Figure A.6 Wiring diagram of energy meter terminal 9
Figure A.7 Dimension diagram of terminal cover of electric energy meter 9
Figure A.8 Schematic diagram of transparent flip cover 10
Figure A.9 Dimension diagram of strong and weak galvanic isolator 11
Figure B.1 Sketch of the appearance of the energy meter 12
Figure B.2 Printing position of electric energy meter Figure 13
Figure B.3 Schematic Diagram of Opening Dimensions of Energy Meter 14
Figure B.4 Schematic diagram of the side/rear view of the energy meter 15
Figure B.5 Dimension Diagram
Figure B.6 Terminal Diagram of Energy Meter 17
Figure B.7 Dimension Diagram of Energy Meter Terminal Cover 17
Figure B.8 Schematic diagram of transparent flip cover 18
Figure B.9 Dimensional diagram of strong and weak galvanic isolator 19
Figure C.1 Schematic diagram of the appearance of the energy meter 20
Figure C.2 Printing position of electric energy meter Figure 21
Figure C.3 Schematic Diagram of Opening Dimensions of Energy Meter 22
Figure C.4 Schematic diagram of the side/rear view of the energy meter 23
Figure C.5 Dimension Diagram
Figure C.6 Wiring Diagram of Energy Meter Terminal 25
Figure C.7 Dimension diagram of the terminal cover of the energy meter 25
Figure C.8 Simplified size of transparent flip cover 26
Figure C.9 Schematic diagram of strong and weak galvanic isolator size 27
Figure D.1 Schematic diagram of the appearance of the energy meter 28
Figure D.2 Printing position of energy meter Figure 29
Figure D.3 Schematic Diagram of Opening Dimensions of Energy Meter 30
Figure D.4 Schematic diagram of the side/rear view of the meter 31
Figure D.5 Dimension Diagram
Figure D.6 Terminal Diagram of Energy Meter 33
Figure D.7 Dimension diagram of terminal cover of electric energy meter 33
Figure D.8 Schematic diagram of transparent flip cover 34
Figure D.9 Schematic diagram of strong and weak galvanic isolator size 35
Figure E.1 Simplified appearance 36
Figure E.2 Printing position Figure 37
Figure E.3 Schematic drawing of opening cover (direct type) 38
Figure E.4 Schematic drawing of opening the lid (via mutual inductance) 39
Figure E.5 Simplified side/rear view dimensions 40
Figure E.6 Sketch of the transparent flip cover 41
Figure E.7 Simplified Terminal Cover 41
Figure E.8 Dimensions of Terminal Blocks (Direct Type) 42
Figure E.9 Dimension diagram of terminal (via mutual inductance) 43
Figure E.10 Simplified end cap dimensions 44
Figure F.1 Simplified appearance 46
Figure F.2 Printing position Figure 47
Figure F.3 Schematic drawing of opening cover (direct type) 48
Figure F.4 Schematic drawing of opening the lid (via mutual inductance) 49
Figure F.5 Side view/back view size diagram 50
Figure F.6 Sketch of transparent flip cover 51
Figure F.7 Simplified terminal cover 51
Figure F.8 Dimensions of Terminal Blocks (Direct) 52
Figure F.9 Dimension diagram of terminal (via mutual inductance) 53
Figure F.10 Simplified end cap dimensions 54
Figure G.1 Simplified Appearance 56
Figure G.2 Printing position Figure 57
Figure G.3 Schematic Diagram of Opening Dimensions (Direct Type) 58
Figure G.4 Schematic drawing of opening cover (via mutual inductance) 59
Figure G.5 Side view/back view size diagram 60
Figure G.6 Sketch of transparent flip cover 61
Figure G.7 Simplified Terminal Cover 61
Figure G.8 Dimensions of Terminal Blocks (Direct Type) 62
Figure G.9 Dimensions of Terminal Blocks (via Mutual Inductance) 63
Figure G.10 Simplified end cap dimensions 64
Figure H.1 Simplified appearance 66
Figure H.2 Printing position Figure 67
Figure H.3 Schematic drawing of opening cover (direct type) 68
Figure H.4 Schematic drawing of the cover opening (via mutual inductance) 69
Figure H.5 Side view/back view size diagram 70
Figure H.6 Simplified view of the transparent flap 71
Figure H.7 Simplified Terminal Cover 71
Figure H.8 Dimensions of Terminals (Direct) 72
Figure H.9 Dimension diagram of terminal block (via mutual inductance) 73
Figure H.10 Simplified end cap dimensions 74
Figure I.1 Simplified appearance 76
Figure I.2 Printing position Figure 77
Figure I.3 Simplified Dimensions (Direct Type) 78
Figure I.4 Schematic drawing of the cover opening (via mutual inductance) 79
Figure I.5 Side view/back view size diagram 80
Figure I.6 Schematic diagram of transparent flip cover 81
Figure I.7 Schematic of the terminal cover 81
Figure I.8 Dimensions of Terminal Blocks (Direct) 82
Figure I.9 Dimension diagram of terminal block (via mutual inductance) 83
Figure I.10 Simplified end cap dimensions 84
Table 1 Dimensions of type A instrument 2
Foreword
GB/T 38317 `` Intelligent Energy Meter Outline Structure and Installation Dimensions '' is currently divided into 4 parts.
--- Part 11. General requirements;
--- Part 21. Structure A;
--- Part 22. Structure B;
--- Part 31. Electrical interface.
This part is Part 21 of GB/T 38317.
This section is drafted in accordance with the rules given in GB/T 1.1-2009.
Please note that some elements of this document may involve patents. The issuer of this document is not responsible for identifying these patents.
This section is proposed by China Machinery Industry Federation.
This section is under the jurisdiction of the National Electrotechnical Instrument Standardization Technical Committee (SAC/TC104).
Drafting organizations of this section. Harbin Electrical and Instrument Research Institute Co., Ltd., China Electric Power Research Institute Co., Ltd., Wasion Group Co., Ltd.
Company, Guangdong Power Grid Co., Ltd. Electric Power Research Institute, Huali Technology Co., Ltd., Yantai Dongfang Weston Electric Co., Ltd.,
National Electrical Instrumentation Quality Supervision and Inspection Center, Heilongjiang Province Electrical Instrumentation Engineering Technology Research Center Co., Ltd., State Grid Jiangsu Province
Electric Power Research Institute, Shenzhen Kelu Electronic Technology Co., Ltd., Ningbo Samsung Medical Electric Co., Ltd.,
State Grid Chongqing Electric Power Company Electric Power Research Institute, Zhejiang Chentai Technology Co., Ltd., Xi'an Jingqi Electronics Co., Ltd., Guangzhou
Teruijie Electronic Technology Co., Ltd.
The main drafters of this section. Luo Ranran, Zhang Lihua, Shen Wei, Xiong Lanying, Zheng Ke, Tong Xinzheng, Zhang Zongji, Jiang Bin, Liu Zhijun, Yu Gaobo,
Li Junming, Tian Zhengqi, Zeng Zheng, Xiang Chao, Hu Zhigang, Liu Yufeng, Zhang Huabing.
Smart watt-hour meter outline structure and installation dimensions
Part 21. Structure A
1 Scope
This part of GB/T 38317 specifies the outline structure and safety of smart energy meter structure A-type energy meters (hereinafter referred to as "A-type meters").
Installation size, material and technology requirements.
This section applies to type A instruments installed and used in a power grid with a nominal frequency of 50Hz.
For other structural models of smart energy meters, please refer to this section.
2 Normative references
The following documents are essential for the application of this document. For dated references, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 17215.211 General requirements, tests and test conditions for alternating current measuring equipment. Part 11. Measuring equipment
GB/T 18347-2001 128
GB/T 38317.11-2019 Smart electrical energy meter outline structure and installation dimensions Part 11. General requirements
GB/T 38317.31-2019 Smart Energy Meter Outline Structure and Installation Dimensions Part 31. Electrical Interface
3 terms and definitions
The terms and definitions defined in GB/T 17215.211 and GB/T 38317.11-2019 are applicable to this document.
4 Requirements
4.1 General requirements
In addition to the external structure and installation dimensions of single-phase and three-phase A-type meters, in addition to meeting GB/T 38317.11-2019, it should also meet 4.2 ~ 4.5
Requirements.
4.2 Overall structure and installation dimensions and colors
4.2.1 Dimensions
The external dimensions of the A-type meter shall meet the requirements of Table 1.
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