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jiathis_txt jiathis_separator jtico jtico_jiathis" target="_blank"></a> <a class="jiathis_counter_style"></a> </div> <script type="text/javascript" > var jiathis_config={ summary:"", shortUrl:false, hideMore:false } </script> <script type="text/javascript" src="http://v3.jiathis.com/code/jia.js" charset="utf-8"></script> <!-- JiaThis Button END --> </div> <div class="huifu"></div> </div> <div class="mess_text"> <div class="content" id="article"><div> GB 19576-2019</div> <div> </div> <div> 《单元式空气调节机能效限定值及能效等级》</div> <div> </div> <div> 国家标准化管理委员会颁布了GB 19576-2019《单元式空气调节机能效限定值及能效等级》强制性国家标准。本标准发布日期为2019年4月4日,实施日期为2020年5月1日。</div> <div> </div> <div> 1 背景</div> <div> </div> <div> 单元式空调机是我国工商用制冷空调设备产量最大的产品,每年消耗大量的能源。2018年我国单元式空调机总产量约为160万台。目前,生产单元式空调机组的企业约为100多家,其中大型企业约为10余家,以中外合资、国有企业为主,全球最先进的代表性企业均在中国设有大型工厂。其他企业多数为中小型民营企业,以多品种小批量为特色。大型企业的产量约占全国单元式空调机组总产量70%。</div> <div> </div> <div> 目前,我国单元式空调机的现行能效标准是GB 19576—2004《单元式空气调节机能效限定值及能效等级》,该标准执行已超十年,且仅以额定工况制冷运行的能效比EER为能效考核指标,随着单元式空气调节机产品技术水平的不断提升,市场中单元式空气调节机整体能效水平已经有了很大的提升,当前标准无论是从能效考核方法还是能效指标上都已无法合理反映市场的能效水平;同时,单元式空气调节机的应用范围迅速扩大,广泛用于通讯、商务、游戏、金融等信息化领域和恒温恒湿控制领域,截至目前,通信基站有400万,数据机房达60多万个,空调系统全年持续运行,耗电量达800亿千瓦时。因此,迫切需要修订本标准,以满足产业结构调整及节能环保工作的需要,促进产业的技术升级。</div> <div> </div> <div> 在此背景下,国家标准化管理委员会开始对单元式空气调节机能效标准进行修订,新标准《GB 19576-2019单元式空气调节机能效限定值及能效等级》已于2019年4月4日发布,将于2020年5月1日实施。</div> <div> </div> <div> 2 标准的主要技术内容解析</div> <div> </div> <div> GB 19576-2019是在GB 19576-2004的基础上,进行修订的。与GB 19576-2004相比,新版单元机能效标准主要修订了4个方面的内容。</div> <div> </div> <div> 1、将原来的EER评价体系改为APF评价体系。</div> <div> </div> <div> 2、现行能效标准只评价定速产品的能效,新标准则涵盖定速和变频产品。但是,定速产品现在只能达到新版能效的3级。</div> <div> </div> <div> 3、现行能效标准适用的定速产品包含有风管和无风管两种机型。此次修订,则针对有风管机型(也就是风管送风式空调)的能效,单独形成了一个标准》,即GB 37479-2019《风管送风式空调机组能效限定值及能效等级》。</div> <div> </div> <div> 4、单元机新版能效标准适用的产品还增加了水冷机、计算机机房空调、数据处理机房空调、恒温恒湿机等。”</div> <div> </div> <div> 2.1产品范围的调整</div> <div> </div> <div> 标准中产品的涵盖范围为采用电机驱动压缩机、室内机静压为0Pa(表压力)的单元式空气调节机、计算机和数据处理机房用单元式空气调节机、通讯基站用单元式空气调节机和恒温恒湿型单元式空气调节机。不适用于多联式空调(热泵)机组、屋顶式空气调节机组和风管送风式空调(热泵)机组。其中,家用风管送风式空调机和商用风管送风式空调机统一纳入GB 37479—2019《风管送风式空调机组能效限定值及能效等级》。</div> <div> </div> <div> 2.2产品分类及评价指标确定</div> <div> </div> <div> 国际上,为了更能准确地描述单元式空调机的制冷季节、制热季节、全年运行性能,美国供热及制冷空调工业协会标准(AHRI210/240)引入综合部分负载制冷系数IPLV和季节能效比SEER,日本JISB8616、JISC9612和JRA4046标准也分别都将季节能效比SEER和HSPF以及全年能效比纳入标准中,这种新的评价方式已成为在空调系统标准领域的一个重要技术趋势。</div> <div> </div> <div> 在我国,现行有效的相关产品标准是《GB/T 17758—2010单元式空气调节机》、《GB/T 19413—2010计算机和数据处理机房用单元式空气调节机》和《JB/T 11968—2014通讯基站用单元式空气调节机》。GB 19576-2019标准将我国单元式空调机评价指标和评价体系由单点名义制冷性能EER评价变为了由全年能源消耗效率APF、全年综合部分负荷性能系数IPLV与名义制冷性能同时评价,以引领我国产业向变频、变容技术方向发展。</div> <div> </div> <div> 本标准能效评价方法的修改使得单元式空调机产品的能效评价更为科学合理,更能够如实反映产品的实际运行能效,从技术上有较大进步以空气源热泵型单元机为例,现行能效标准仅规定按照名义制冷工况一个点(室内27℃/室外35℃)考核产品的能效。而当采用APF考核产品能效时,则综合考虑了产品的制热、制冷运行模式、不同的负荷率以及外界环境温度一年四季的变化。</div> <div> </div> <div> 新标准中,能效分级也重新进行了修订。按照新标准规定,单元式空调能效等级依据性能系数的大小确定,分成3个等级,1级为能效最高,见表1。据纪高风介绍,现行标准的能效等级为5个,而且新标准规定单元机的APF必须高于2.7才能准入市场。新标准的能效水平比现行标准提高了约20%。</div> <div> </div> <div> 通过本标准的修订,风冷单元式空调机组市场淘汰率约为59%,机房空调市场将淘汰38%的高耗能产品型号,大幅度提升了相关领域的能效水平。当然同时也给企业带来了新的技术挑战和市场竞争机遇。</div> <div> </div> <div> 3 新版能效等级指标值</div> <div> </div> <div> GB19576-2019《单元式空气调节机能效限定值及能效等级》</div> <div> </div> <div> 替代GB19576-2004,将于2020年5月1日正式实施。其中能效等级参数如下表:</div> <div style="text-align: center;"><img src="http://www.chinahvacr.com/file/upload/202004/01/09-44-05-59-1.jpg" width="706" height="471" alt="" /></div> <div> </div> <div> 对比GB19576-2004,相关参数如下:</div> <div style="text-align: center;"><img src="http://www.chinahvacr.com/file/upload/202004/01/09-45-07-77-1.jpg" width="593" height="393" alt="" /></div> <div> </div> <div> GB37479-2019《风管送风式空调机组能效限定值及能效等级》</div> <div> </div> <div> 将于2020年5月1日正式实施。其中能效等级参数如下表:<br /> </div> <div style="text-align: center;"><img src="http://www.chinahvacr.com/file/upload/202004/01/09-45-30-98-1.jpg" width="711" height="391" alt="" /><br /> <img src="http://www.chinahvacr.com/file/upload/202004/01/09-46-50-77-1.jpg" width="689" height="430" alt="" /><br /> </div> <div> GB 37480-2019《低环境温度空气源热泵(冷水)机组能效限定值及能效等级》</div> <div> </div> <div> 将于2020年5月1日正式实施。其中,能效等级参数如下表:</div> <div style="text-align: center;"><img src="http://www.chinahvacr.com/file/upload/202004/01/09-47-03-70-1.jpg" width="706" height="438" alt="" /></div> <div> </div> <div> 4 争议</div> <div> </div> <div> 对于新标准存在的争议,某业内人士指出,新标准中7100W~14000W对应3HP~5HP的产品,这个制冷量区间段的产品虽然更多的是单元机,但其属于已经发布的国家标准GB 21455-2019《房间空气调节器能效限定值及能效等级》,即房间空调器新能效标准的评定范围。同样的产品却有两个不同的能效标准可供选择,有可能出现市场乱象。</div> <div> </div> <div> 对此,中国标准化研究院负责单元式空调机能效标准的工作组有关负责人表示,各个品牌现在对产品的定位不同,有的企业认为这一范围的产品属于房间空调器,有的企业认为是单元式空调机,因此各个企业按照自己的定位,可以自由选择适合的能效标准。</div></div> </div> <div class="xw_line"> </div> <div class="mess_footnote"> <ul> <li></li> <li></li> </ul> </div> <div class="fenxiang"> <!-- JiaThis 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