GB/T 18708-2002 家用太阳热水系统热性能试验方法

ICS27160

F12

中华人民共和国国家标准

GB/T18708-2002

家用太阳热水系统热性能

试验方法

Testmethodsforthermalperformanceofdomestic

solarwaterheatingsystems

2002一04一28发布2002门0一01实施

中华人民共和国发布

国家质量监督检验检疫总局

CB/T18708-2002

目次

前言·············································，·····，···········‘········································，·········……1

1范围······‘····，·，·········，····，，。‘···························，····。····，，················。·················……1

2引用标准···························，·············································，············‘··.··‘.·……1

3定义···················································，·························································……1

4符号············································································································……2

5系统分类··············································。·····，···········，·············‘··············，···········……3

6试验要求·······，········‘·，··········，····，……4

6.1系统要求······································，····························‘·····4

6.2钡叮量要求·····················································································。················……5

7试验方法与结果·············，···········。················，，···············。···········，···········，··········……6

7.1试验内容········‘···，··········，················。·······，，······‘·······，，，··········，··········，。··‘··……6

7.2试验条件的范围···················································6

7.3试验系统的预定条件······················································································……6

74‘周围空气的速率，·······················。··································，·················‘···.···.·.···.·.，·…7

7.5试验期间的测量·····，·····‘·······，·‘·，····，，，·‘甲，·······················，··········。······，·····，····……7

7.6系统日热性能的确定.·7

7.7贮热水箱热损的确定··················································································.···…·…8

8结果的分析和说明······。。·····················，······················································‘········……9

81说明····4‘·····，·········甲，··，·······。·········，··································，···········。·········……9

82输人一输出图·········，，·····················.····..···.……9

Gs/'r18708-2002

前言

本标准是根据我国当前太阳集热器与太阳热水系统产品及发展的实际状况编写的。

本标准的制定参考了国际标准ISO9459-2:1995《太阳加热一家用热水系统一第二部分:系统特性

的室外检测方法和仅太阳系统年性能的预测》。

本标准由国家经贸委、科技部提出。

本标准由全国能源基础与管理标准化技术委员会新能源和可再生能源分技术委员会归flo

本标准由清华大学、中国标准研究中心负责起草。

本标准主要起草人:殷志强、陆维德、李申生、张剑、贾铁鹰、吴锦发、陶祯、郑瑞澄。

中华人民共和国国家标准

家用太阳热水系统热性能

试验方法GB/T18708-2002

Testmethodsforthermalperformanceofdomestic

solarwaterheatingsystems

范围

本标准规定了家用太阳热水系统在没有辅助加热时的热性能测试步骤。

本标准适用于贮热水箱容积在0.6m'以下，仅用太阳能的家用热水系统。

本标准不适用于同时进行辅助加热的太阳热水系统的试验

引用标准

下列标准所包含的条文，通过在本标准中引用而构成为本标准的条文。本标准出版时，所示版本均

为有效。所有标准都会被修订，使用本标准的各方应探讨使用下列标准最新版本的可能性

GB/T42712000平板型太阳集热器热性能试验方法

GB/丁12936.1-1991太阳能热利用术语第一部分

GB/T12936.2-1991太阳能热利用术语第二部分

GB/IC17049--1997全玻璃真空太阳集热管

GB/T17581-1998真空管太阳集热器

ISO9459-2:1995太阳加热一家用热水系统一第二部分:系统特性的室外检测方法和仅太阳系统

年性能的预测

ISO9488.1999士阳能一词汗

3定义

本标准除引用GB/'r129361,GB/T12936.2和ISO9488外，采用下列定义:

11准确度accuracy

仪器指示被测物理量真实值的能力

3.2精度precision

同一个物理量重复测量趋于一致的量度范围

3.3太阳辐照度solarirradiance

太阳辐射到一个表面的功率密度.即单位面积L接受的辐射功率。太阳辐照度单位为W/m2a

3.4太阳辐照量solarirradiation

单位面积上人射的太阳能量，是在指定的时间间隔内太阳辐照度的积分。太阳辐照量的单位为兆焦

每平方米(MJ/m')。同义词:曝辐量。

15平板太阳热水系统flatplatesolarwaterheatingsystem

平板集热器与贮热水箱组成的太阳热水系统

中华人民共和国国家质量监督检验检疫总局2002-04-28批准2002-10-01实施

GB/T18708-2002

3.6全玻璃真空集热管太阳热水系统all-glassevacuatedtubularsolarwaterheatingsystem

全玻璃真空管集热器与贮热水箱组成的太阳热水系统。

3.7玻璃一金属真空集热管太阳热水系统glass-metalevacuatedtubularsolarwaterheatingsystem

玻璃一金属真空管集热器与贮热水箱组成的太阳热水系统。

3.8联集管manifold

传输集热器件所获热能的部件

3.9真空集热管的反射器reflectorforevacuatedcollectortube

为提高集热的性能，在真空集热管的背后设置的一定形状的漫反射器或镜反射器。

3.10曲面反射器curvedspecularreflector

折平面、圆柱面或复合抛物面等形状的镜反射器，聚光比不大于1.5h,属于非聚光型。

111采光面积aperturearea

非聚光的太阳辐射进人集热器的最大投影面积

112集热器倾角collectortiltangle

太阳集热器采光平面与水平面之间的夹角。