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单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,*,设计例题,下图为上海市,10层,办公楼的,第,6层,,绿色阴影部份需要空调,上下楼层均使用空调,每层层高,4m,天花板高3m,空调使用时间为周一至周五8:00AM-20:00PM(统一开关),周六和周日部份使用(单独操作),温度要求:夏季,内区,2,4,。,C DB,1,7,。,C WB,外区,2,7,。,C DB,1,9,。,C WB,办公室,VIP室,会议室和会客室中需要新风,外窗为1.3m高的环型窗(基本与外墙同长),室内为普通办公区,大办公室中约有,40人,会议室4中有20人,1套投影设备,无其他特殊设计条件,同时需要单独控制与集中控制,室外机放置在屋顶,N,大办公室,小办公室,会议室,1,会议室,2,会议室,3,会议室,4,VIP室,会客室,1,前台,电梯,电梯厅,1,仓库,厕所,设备间,茶水间,会客室,2,会客室,3,电梯,电梯,电梯,电梯,电梯厅,2,管道井,4400,30,00,2400,2400,2800,4000,2800,30000,30000,4400,18800,6800,24000,24000,3000,3000,3400,4000,4400,4400,5200,5200,5800,厕所,管道井,机房,2000,平面简图,N,大办公室,42.08KW,小办公室,6.03kw,会议室,1,3.88KW,会议室,2,3.97kw,会议室,3,4.97kw,会议室,4,9.75kw,VIP室,4.96kw,会客室,1,1.95kw,前台,电梯,电梯厅,1,3.38kw,仓库,设备间,茶水间,5.21kw,会客室,2,1.95kw,会客室,3,1.95kw,电梯,电梯,电梯,电梯,电梯厅,2,3.26kw,管道井,4400,2400,2400,2800,4000,2800,30000,30000,4400,18800,6800,24000,24000,3000,3000,3400,4000,4400,4400,5200,5200,5800,厕所,管道井,空调负荷,30,00,机房,2000,厕所,N,办公室,B,27.84kw,小办公室,6.03kw,会议室,1,3.88KW,会议室,2,3.97kw,会议室,3,4.97kw,会议室,4,9.75kw,VIP室,4.96kw,会客室,1,1.95kw,前台,电梯,电梯厅,1,3.38kw,仓库,设备间,茶水间,5.21kw,会客室,2,1.95kw,会客室,3,1.95kw,电梯,电梯,电梯,电梯,电梯厅,2,3.26kw,管道井,4400,2400,2400,2800,4000,2800,30000,30000,4400,18800,6800,24000,24000,3000,3000,3400,4000,4400,4400,5200,5200,5800,厕所,管道井,系统分区,办公室,A,14.24kw,30,00,机房,2000,厕所,N,办公室,B,27.84kw,小办公室,6.03kw,会议室,1,3.88KW,会议室,2,3.97kw,会议室,3,4.97kw,会议室,4,9.75kw,VIP室,4.96kw,会客室,1,1.95kw,前台,电梯,电梯厅,1,3.38kw,仓库,设备间,茶水间,5.21kw,会客室,2,1.95kw,会客室,3,1.95kw,电梯,电梯,电梯,电梯,电梯厅,2,3.26kw,管道井,管道井,4400,2400,2400,2800,4000,2800,30000,30000,4400,18800,6800,24000,24000,3000,3000,3400,4000,4400,4400,5200,5200,5800,厕所,管道井,配置简图,办公室,A,14.24kw,30,00,机房,2000,厕所,A分区,最大负荷,VIP室,4.96kw,小办公室,6.03kw,大办公室,A,14.24kw,会议室,1,3.88kw,会议室,2,3.97kw,会议室,3,4.97kw,会议室,4,9.75kw,合计,47.8,kw,B分区,最大负荷,电梯厅,1,3.38kw,茶水间,5.21kw,电梯厅,2,3.26kw,会客室,1,1.95kw,会客室,2,1.91kw,会客室,3,1.91kw,大办公室,B,27.84kw,合计,45.,46,kw,方案,:系统分区负荷,设计指南,-P25,初选室内机,温度条件:,A,分区室内,2,4,。,C DB,1,7,。,C WB,室外,35,。,CDB,;,系统,A,室内机容量,VIP室,YDCK25;7.2kw,小办公室,YDCK25;7.2kw,会议室,1,YDCK20;5.6kw,会议室,2,YDCK20;5.6kw,会议室,3,YDCK25;7.2kw,会议室,4,YDCK45;13 kw,大办公室,A,YDCK25;7.2kw,3,合计,24.1HP,(6,7,.,4,KW),系统,B,室内机容量,电梯厅,1,YDCK15;4.6kw,电梯厅,2,YDCK15;4.6kw,茶水间,YDCK25;7.2kw,会客室,1,YDCK09;2.7kw,会客室,2,YDCK09;2.7kw,会客室,3,YDCK09;2.7kw,大办公室,B,YDCK20;5.6kw,6,合计,20,.8,HP(,58.1,KW),温度条件:,B,分区室内,27,。,C DB,1,9,。,C WB,室外,35,。,CDB,;,请点击,A分区:选择室外机,A,区初选,YDOH220-0C,配比率,=67.4/60.5=111.4%,初选配比就超过,110%,,不妥,改选,YDOH240-0C,,配比率为,97.0%,,合适,B,区初选,YDOH200-0C,,配比率,58.1/57=102.0%,,合适,17CWB,时的参数,=(32.9+38.3)/2=35.6,衰减率,=35.6/41=0.868,14HP,A分区:选择室外机,A,区初选,YDOH220-0C,配比率,=67.4/60.5=111.4%,初选配比就超过,110%,,不妥,改选,YDOH240-0C,,配比率为,97.0%,,合适,选定,YDOH240,的温度衰减系数为,(0.868*10+0.868*14)/(10+14)=0.868,17CWB,时的参数,=(22.9+26.6)/2=24.75,衰减率,=24.75/28.5=0.868,10HP,办公室,B,27.84kw,小办公室,6.03kw,会议室,1,3.88KW,会议室,2,3.97kw,会议室,3,4.97kw,会议室,4,9.75kw,VIP室,4.96kw,会客室,1,1.95kw,前台,电梯,电梯厅,1,3.38kw,仓库,厕所,设备间,茶水间,5.21kw,会客室,2,1.95kw,会客室,3,1.95kw,电梯,电梯,电梯,电梯,电梯厅,2,3.26kw,管道井,管道井,4400,5200,2400,2400,2800,4000,2800,30000,30000,4400,18800,6800,24000,24000,3000,3000,3400,4000,4400,4400,5200,5200,5800,厕所,管道井,办公室,A,14.24kw,实际平面管长,30,米,A分区:选择室外机,A,系统平面等效管长,30*1.2=36,米;高低管长,17,米;屋面平面管长,15*1.2=18,米;,等效管长,=36+17+18=71,米;高低差,=17,米。,0.800,管长及高低差衰减系数为,0.800,。,A分区:,校核计算,室外机温度修正系数:,0.868,;,管长及高低差修正系数:,0.800,;,室内机温度修正系数:,0.860,;,综合修正系数:,0.868*0.8*0.86=,0.597,室内机实际能力,=,室外机能力,(,室内机容量系数,/,室内总容量系数,),修正系数,YDCK20,实际能力:,69.5*(5.6/67.4)*0.597=3.43,YDCK25,实际能力:,69.5*(7.2/67.4)*0.597=4.43,YDCK45,实际能力:,69.5*(13/67.4)*0.597=8.00,A分区:,校核计算,系统,A,最大负荷,室内机,标称能力,综合系数,实际能力,VIP,室,4.96,YDCK25,7.2,0.597,4.43,小办公室,6.03,YDCK25,7.2,0.597,4.43,大办公室,A,14.24,YDCK253,21.6,0.597,13.29,会议室,1,3.88,YDCK20,5.6,0.597,3.43,会议室,2,3.97,YDCK20,5.6,0.597,3.43,会议室,3,4.97,YDCK25,7.2,0.597,4.43,会议室,4,9.75,YDCK45,13,0.597,8,重新选室内机型号,标称能力,综合系数,实际能力,YDCK25,9,0.672,5.82,YDCK30,9,0.672,5.82,YDCK30+YDCK252,23.4,0.672,15.14,YDCK25,7.2,0.672,4.65,YDCK25,7.2,0.672,4.65,YDCK30,9,0.672,5.82,YDCK30+YDCK25,16.2,0.672,10.48,对应室外机型号,YDOH280-0C,请点击,10HP,B分区,:选择室外机,B,区初选,YDOH220-0C,,配比率,58.1/57=102.0%,,合适,模块,100%,配比的容量衰减如下表查询,得衰减率为,0.953,且,10HP,模块按相同算法,衰减率也为,0.953,衰减率,=30.5/32=0.953,B分区,:选择室外机,B,区初选,YDOH220-0C,,配比率,58.1/57=102.0%,,合适,模块,110%,配比的容量衰减如下表查询,得衰减率为,0.954,因此温度衰减率为:,0.953+(0.954-0.953)/(110-100)*(102-100)=0.953,10HP,衰减率,=31.1/32.6=0.954,实际平面管长,30,米,B分区,:选择室外机,A,系统平面等效管长,30*1.2=36,米;高低管长,1,米;,管长及高低差衰减系数为,0.915,。,0.915,A分区:选择室外机,室外机温度修正系数:,0.953,;,管长及高低差修正系数:,0.915,;,室内机温度修正系数:,1,;,综合修正系数:,0.953*0.954*1=,0.872,室内机实际能力,=,室外机能力,(,室内机容量系数,/,室内总容量系数,),修正系数,YDCK09,实际能力:,57*(2.7/58.1)*0.872=2.31,YDCK15,实际能力:,57*(4.6/58.1)*0.872=3.94,YDCK20,实际能力:,57*(5.6/58.1)*0.872=4.80,YDCK25,实际能力:,57*(7.2/58.1)*0.872=6.16,B分区,:选择室外机,B,分区,最大负荷,室内机,标称能力,综合系数,实际能力,电梯厅,1,3.38,YDCK15,4.6,0.872,3.94,茶水间,5.21,YDCK25,7.2,0.872,6.16,电梯厅,2,3.26,YDCK15,4.6,0.872,3.94,会客室,1,1.95,YDCK09,2.7,0.872,2.31,会客室,2,1.91,YDCK09,2.7,0.872,2.31,会客室,3,1.91,YDCK09,2.7,0.872,2.31,大办公室,B,27.84,YDCK206,33.6,0.872,28.74,请点击,对应室外机型号,YDOH200-0C,小办公室,会议室,1,会议室,2,会议室,3,会议室,4,VIP室,会客室,1,前台,电梯,电梯厅,1,仓库,设备间,茶水间,会客室,2,会客室,3,电梯,电梯,电梯,电梯,电梯厅,2
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