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GB/T 29470-2012: Self-regulating heating elements
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 29470-2012 | English | 439 |
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Self-regulating heating elements
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GB/T 29470-2012
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Basic data | Standard ID | GB/T 29470-2012 (GB/T29470-2012) | | Description (Translated English) | Self-regulating heating elements | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | K32 | | Classification of International Standard | 29.130 | | Word Count Estimation | 19,148 | | Quoted Standard | GB/T 191-2008; GB/T 2828.1; GB/T 2829; GB/T 2900.23-2008; GB 4706.1-2005; GB 4706.8; GB/T 5169.5; GB/T 7287-2008; GB/T 17627.1-1998 | | Regulation (derived from) | National Standards Bulletin 2012 No. 42 | | Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China | | Summary | This standard specifies the self-limiting temperature heater terminology and definitions, classifications and models, technical requirements, test methods, inspection rules, marking, packaging, transportation and storage. This standard applies to installe | GB/T 29470-2012: Self-regulating heating elements---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.
Self-regulating heating elements
ICS 29.130
K32
National Standards of People's Republic of China
Self-limiting temperature Heaters
Issued on. 2012-12-31
2013-07-31 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Preface Ⅰ
1 Scope 1
2 Normative references 1
3 Terms and definitions
4 Classification and type 2
5 Technical requirements 3
Test Method 5 6
7 Inspection rules 12
8 signs, packaging, transportation and storage 14
Foreword
This standard was drafted in accordance with GB/T 1.1-2009 given rules.
This standard is proposed and managed by China Association for Standardization.
This standard was drafted. Zhejiang Huayuan Electric Co., Ltd., Tibet European source warm Ltd., Nanchang Wojia Technology Limited, National Red Cross
Outside and Industrial Electric Products Quality Supervision and Inspection Center, Zhejiang University, Institute of Polymer Composites.
The main drafters of this standard. Yuan Jianbo, Zhenghua Di, high-Jin, Zeng Yu, Shen strong, Gong, Luo Jun, on behalf of Xu Xian, Zheng roots.
Self-limiting temperature Heaters
1 Scope
This standard specifies the self-limiting temperature Heaters terms and definitions, classification and models, technical requirements, test methods, inspection rules, marks, packages
Loading, transport and storage.
This standard applies to installation in a building ground for the room where the self-limiting temperature electric heating film. Rated voltage is not its single-phase device
More than 250V, other devices rated voltage not exceeding 480V. Other uses of self-limiting temperature heaters can also refer to use.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
GB/T 191-2008 Packaging - Pictorial signs
GB/T 2828.1 Sampling procedures for inspection - Part 1. by acceptance quality limit (AQL) retrieval batch inspection sampling plan
GB/T 2829 periodic inspection Sampling procedures and tables (suitable for process stability test)
GB/T 2900.23-2008 Electrotechnical terminology industrial electric equipment
Part 1 GB 4706.1-2005 Safety of household and similar electrical appliances. General requirements
Particular requirements GB 4706.8 Household and similar electrical appliances - Safety blankets, pads and similar flexible heating appliances
GB/T 5169.5 Fire hazard testing for electric and electronic products - Part 5. Test flames - Needle-flame test methods for confirming test
Test methods and guidelines
GB/T 7287-2008 Test Method for Infrared radiant heaters
GB/T 17627.1-1998 high voltage test techniques for low voltage equipment Part I. Definitions and testing requirements
3 Terms and Definitions
GB/T 2900.23-2008 defined and the following terms and definitions apply to this document.
3.1
Self-limiting temperature heaters self-regulatingheatingelement
Sheet-like heat generating element by the electrodes, PTC thermistors and electrically insulating sheet composed of laminated.
3.2
Steady state steadilyworkingcondition
Under specified test conditions, self-limiting temperature electric heating sheet surface temperature fluctuation range at any point does not exceed 2 ℃/h working condition,
It called steady state.
3.3
Operating temperature operatingtemperature
Under test conditions, when the rated voltage energized to steady state operation, self-limiting temperature average surface temperature of the heaters.
3.4
Heating time heating-uptime
Under test conditions, the rated voltage is energized, the surface temperature is raised to 90% of the time required for steady state temperature.
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