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GB/T 33873-2017

Chinese Standard: 'GB/T 33873-2017'
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Detail Information of GB/T 33873-2017; GB/T33873-2017
Description (Translated English): Testing method of energy efficiency for hot aging test oven
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: F01
Classification of International Standard: 27.010
Word Count Estimation: 10,150
Date of Issue: 2017-07-12
Date of Implementation: 2018-02-01
Drafting Organization: Ltd., Guangzhou Environmental Protection Co., Ltd., Hangzhou, China Environmental Protection Technology Co., Ltd., Metrology and Testing Technology Research Institute, Chengdu Yihua Tianyu Test Equipment Co., Ltd., Shanghai Ai Si Peike Environmental Equipment Co., Ltd., Shenzhen Standard Technology Research Institute, Wuxi Sunan Experimental Equipment Co., Ltd., Hunan Institute of Measurement and Testing, Zhejiang Metrology Science Research Institute, Guangzhou Energy Testing Research Institute, Shenzhen State Technology Instrument Co., Ltd., Zhuhai Gree Electric Co., Ltd., China Metrology University
Administrative Organization: National Laboratory Equipment and Equipment Standardization Technical Committee (SAC/TC 526)
Proposing organization: China Machinery Industry Federation
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People Republic of China, China National Standardization Administration Committee

GB/T 33873-2017
GB
NATIONAL STANDARD OF
THE PEOPLE’S REPUBLIC OF CHINA
ICS 27.010
F 01
Testing method of energy
Efficiency for hot aging test oven
热老化试验箱能效测试方法
ISSUED ON. JULY 12, 2017
IMPLEMENTED ON. FEBRUARY 1, 2018
Issued by. General Administration of Quality Supervision, Inspection
and Quarantine;
Standardization Administration Committee.
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Table of Contents
Foreword ... 3 
1 Scope ... 4 
2 Normative references ... 4 
3 Terms and definitions ... 4 
4 Product technical requirements ... 5 
5 Testing conditions ... 5 
6 Measuring methods ... 7 
7 Calculation method of energy efficiency ... 8 
Foreword
This Standard was drafted in accordance with the rules given in GB/T
1.1-2009.
This Standard was proposed by China Machinery Industry Federation.
This Standard shall be under the jurisdiction of National Technical Committee
on Laboratory Instrument and Equipment of Standardization Administration of
China (SAC/TC 526).
The drafting organizations of this Standard. Machinery Industry
Instrumentation Technology and Economy Institute, Guangdong Institute of
Product Quality Supervision and Inspection, Yangzhou Optoelectronics
Products Testing Center, Chongqing Sida Test Equipment Co., Ltd.,
Guangzhou Wusuo Environmental Equipment Co., Ltd., Hangzhou Xuetemp
Technology Co., Ltd., Shanghai Institute of Measurement and Testing
Technology, Chengdu Yihua Tianyu Test Equipment Co., Ltd., Shanghai
Aisipeike Environmental Equipment Co., Ltd., Shenzhen Institute of
Standards and Technology, Wuxi Sunan Test Equipment Co., Ltd., Hunan
Institute of Measurement and Testing, Zhejiang Institute of Metrology,
Guangzhou Institute of Energy Testing, Shenzhen National Technology
Instrument Co., Ltd., Zhuhai Gree Electric Co., Ltd., China University of
Metrology.
Main drafters of this Standard. Zhang Guiling, Gao Xiaodong, Wei Yuefeng,
Wang Chengcheng, Tang Lihua, Li Siyuan, Chen Jinhan, Chen Yunsheng,
Xie Chenhao, Xu Yueming, Tang Suiping, Feng Hua, Ling Yancui, Huang
Qiang, Wang Ke, Wu Shuangshuang, Wan Yong, Zhou Lianqin, Zhu Ping,
Pang Yan, Chen Shuai, Duan Huawei, Meng Jiawen, Zhou Siqing, Huang Yu,
Hu Fen, Chen Qiyong, Hu Xiaofeng, Jiang Jianhui, Xie Xiaofang.
Testing method of energy
efficiency for hot aging test oven
1 Scope
This Standard specifies the terms and definitions, technical requirements,
testing conditions, testing methods for hot aging test oven (hereinafter
referred to as the test oven).
This Standard applies to energy efficiency test of air hot aging test oven,
gravity convection electric oven and forced ventilation electric oven that use
electric energy as heating energy, air as conduction medium.
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For
undated references, the latest edition of the referenced document (including
any amendments) applies.
GB/T 10592-2008, Specification for low/high temperature test chambers
GB/T 30435-2013, Electric gravity convection and forced ventilation ovens
JB/T 7444-1994, Air heat-up ageing tests box
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1 hot aging test oven
closed box or space with specified high temperature and fresh air ventilation
3.2 gravity convection electric oven
a closed box obtaining the specified stable high temperature by electric
heating and with natural convection of air
3.3 forced ventilation electric oven
a closed box obtaining the specified stable high temperature by electric
The ambient conditions for the test oven shall meet the following.
a) ambient temperature. 23°C ± 2°C, the temperature gradient of ambient
temperature measuring point at the vertical direction shall not exceed
2°C/m;
NOTE. ambient temperature (space temperature around the test oven) refers to
the temperature measured at the measuring point, 1m from vertical central line of
the test oven wall, 1m from the ground (the ambient temperature is not affected by
the outlet temperature of the test oven).
b) relative humidity. ≤85%;
c) air pressure. 80kPa ~ 106kPa;
d) without forced convection air.
5.2 Power supply conditions
The power supply testing conditions for the test oven shall meet the following.
a) AC voltage. 220V ± 6.6V or 380V ± 11.4V;
b) frequency. 50Hz ± 0.5Hz.
5.3 Testing equipment
5.3.1 Energy measuring instrument
Measuring range. voltage, current measurement range ......
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