2020年度机械行业职业教育技能大赛“三向杯”制冷设备安装与调试赛项竞赛规程

附:测试项目图表R001冷库库体及工作台R002制冷系统图R003电气系统原理图R004电气考核线路图R005R134a热力特性表R006R134a压焓图R007参数设置表PAGE54

66制作制作777755压缩机吸气口压缩机排气口冷凝后(储液器入口)节流前(外平衡膨胀阀前)冷冻室蒸发器入口冷藏室蒸发器入口蒸发压力调节阀入口板式换热器低压入口9944881211107512111075884466332211221133

R005R134a热力特性表温度压力比容密度焓蒸发热熵液体蒸汽液体蒸汽液体蒸汽液体蒸汽t℃P巴ν′L/kgν″L/kgp′kg/Lp″kg/m3h′kJ/kgh″kJ/kgrkJ/kgs′kJ/kgKs″kJ/kgK40－35－30－25－20－15－10－50510152025303540455055606570758085900.53180.68020.86081.0781.3381.6462.0082.4312.9203.4844.1294.8635.6946.6307.6788.84810.1511.5813.1714.9116.8118.8821.1323.5826.2129.0632.110.70510.71140.71820.72540.73300.74110.74980.75890.76870.77900.78990.80160.81390.82700.84100.85590.87180.88880.90710.92690.94850.97240.99941.0311.0691.1201.1960.34630.27500.22040.17830.14540.11950.09890.08240.06910.05830.04940.04200.03590.03090.02660.02300.01990.01730.01500.01310.01140.00990.00870.00750.00650.00560.00481.4181.4061.3921.3791.3641.3491.3341.3181.3011.2841.2661.2481.2291.2091.1891.1681.1471.1251.1021.0791.0541.0281.0010.9700.9360.8930.8362.8883.6374.5375.6086.8768.36710.1112.1314.4717.1720.2623.7927.8232.4137.6243.5450.2557.8666.5176.3687.62100.5115.5132.9153.6178.5209.3155.9161.0166.1171.4176.8182.4188.1194.0200.0206.2212.5219.0225.7232.5239.6246.8254.3261.9269.8278.0286.4295.1304.0313.4323.1333.3344.5371.7374.8377.9381.1384.1387.2390.2393.2396.1399.0401.8404.6407.3409.9412.4414.8417.2419.3421.4423.2424.9426.3427.4428.1428.4428.1426.9215.7213.9211.8209.9207.3204.8202.1199.2196.1192.8189.3185.6181.6177.4172.8168.0162.9157.4151.5145.2138.5131.2123.3114.8105.394.7182.320.82670.84800.86940.89090.91250.93420.95600.97791.0001.0221.0451.0671.0901.1131.1361.1591.1831.2071.2311.2561.2801.3061.3311.3581.3851.4131.4431.7521.7461.7411.7361.7311.7271.7241.7211.7181.7151.7131.7111.7091.7081.7061.7051.7031.7021.7001.6981.6961.6941.6911.6871.6831.6771.669PAGE71现代制冷空调技术综合实训考核设备参数设置表产品名称现代制冷空调技术综合实训考核设备文件编号产品型号SX-CSC08CSX-CSC08C.CS序号单元参数名称/范围参考值备注1氮气吹污压力(0.2～1.0Mpa)0.6～0.8Mpa2系统检漏压力(0.4～1.5Mpa)1.0Mpa3保压时长(10～60min)5min4真空泵表压力(0～-0.1Mpa)-0.1Mpa5抽真空时间(10～60min)18min6保压时长(1～30min)10min7雪种R134a充注量(1～2.5Kg)2000g±10%适量加减8回收机回收雪种表压(1.6～-0.1Mpa)0.1Mpa/min≥GP≥0Mpa1min<1bar9高低压力控制器低压闭合压力(-0.2～7.5bar)0.1bar10低压闭合压力差(0.7～4bar)0.7bar11高压断开压力(8～32bar)14bar12冷凝压力控制器冷凝闭合压力(-0.2～7.5bar)7bar13冷凝断开闭合压力差(0.7～4bar)0.7bar14能量调节阀机组旁通回气压力(0.1～6bar)0.15bar15冷藏室热力膨胀阀

蒸发压力调节阀冷藏室蒸发温度(-15～0℃)-10℃16冷冻室热力膨胀阀冷冻室蒸发温度(-25～20℃)-18℃17触摸屏冷冻库温度设定(-18～-10℃)-12℃18冷冻库温度回差设定(0～5℃)3℃19冷藏库温度设定(0～10℃)5℃20冷藏库温度回差设定(0～5℃)3℃21化霜周期(1～12H)6H22化霜时间(1～60min)10min23化霜退出温度(0～10℃)5℃24压力上限(0.8～2.0Mpa)1.4Mpa25压力下限(0～0.1Mpa)0.01Mpa26多功能电量表密码选择：LCY00027电流互感器变比系数：CT(1～15)3.028电压互感器变比系数：PT1.029电流小数点：ADP00.0030电压小数点：VDP000.031通讯地址：ADD13216路巡检仪参数禁锁：LOC13233设备代号：ADDR234设备通讯波特率：BAUD335设置通道号：AI--1～1636设置对应