KS R 1168-2009 Test method of refrigerant leakage rates from mobile air conditioning system《汽车空调系统制冷剂泄漏测试方法》.pdf

1、 KSKSKSKS KSKSKSK KSKSKS KSKSK KSKS KSK KS KS R 1168 KS R 1168 :2009 2009 12 30 http:/www.kats.go.krKS R 1168:2009 : ( ) ( ) () ( ) : (http:/www.standard.go.kr) ： ：2009 12 30 2009-0945 ： ： ( 02-509-7270) (http:/www.kats.go.kr). 10 5 , . KS R 1168:2009 i 1 1 2 .1 3 .3 3.1 3 3.2 4 3.3 .6 3.4 6 4 .7 4.

2、1 7 4.2 .7 4.3 7 4.4 .8 4.5 9 10 KS R 1168:2009 .11 KS R 1168:2009 Test method of refrigerant leakage rates from mobile air conditioning system 1 R-134a . . 2 . 2.1 (cabin) 2.2 (engine room) 2.3 (mobile airconditioning system or mobile airconditioner) , 2.3.1 (single evaporator system) 1 2.3.2 (dual

3、 evaporator system) 2 2.4 (refrigerant) , KS R 1168:2009 2 2.5 (high pressure side) , , 2.6 (low pressure side) , , 2.7 2.7.1 (condenser) , 2.7.2 (evaporator) , 2.7.3 (compressor) , , 2.7.4 (expansion device) , 2.7.5 (tubing) 2.7.12.7.4 . 1 , (reinforcement：crimp or ferrule) . 1 2.7.6 (connection pa

4、rt) KS R 1168:2009 3 2.7.7 (reinforcement) 2.7.8 (service valve) . 2.7.9 ( ) (pressure switch or pressure sensor) , 2.8 (refrigeration oil) 2.9 (determination of refrigerant leakage rates) 2.10 (specimen) 2.11 (preconditioning) . . 2.12 (reference gas) . . 3 3.1 , , . 2 . / . KS R 1168:2009 4 2 3.2

5、3.2.1 . 3.2.2 3.2.2.1 3.2.2.1.1 . 3.2.2.1.2 , . , , . 3.2.2.2 . 4.2 4.3 . 3.2.2.3 . 1 . 3.2.2.4 (dummy volume) , . . , . 3.2.2.5 / / KS R 1168:2009 5 . , , . 3.2.2.6 . 0.1 , . 0.1 kPa , . 3.2.2.7 . , . . 3.2.2.8 . 3.2.2.9 , . 3.2.3 3.2.3.1 , . 3.2.3.2 . 40 24 1 . 3.2.3.3 . 5 , 2 . 3.2.3.4 . 3.2.3.5

6、3.2.3.6 . . 3.2.3.5 KS R 1168:2009 6 40 . (1305) kPa 24 3 % . 3.2.3.6 R-134a 40 . (205) L/L 24 1 % . 3.3 3.3.1 4 1 . (gas chromatography), (infrared spectro-photometry), (mass spectrometry), (infrared photo- acoustic spectroscophy). , . 3.3.2 , 2 g/a, 0.2 g/a . 3.3.3 1 1 . 3.4 3.4.1 . 3.4.2 R-134a 9

7、9.5% . 3.4.3 3.4.3.1 . KS R 1168:2009 7 3.4.3.2 . 3.4.3.3 . 0.65 g/cm 3 . 3.4.3.4 200 rpm 5 . 3.4.4 3.4.3 . 4 4.1 1 , , , . 4.2 . 1 . 1 2 1 . . 1 1 2 40 50 (1) 40 (2) 480 240 24 144 72 24 480 240 24 (：h) () 96 48 24 4.3 4.3.1 3 . , . KS R 1168:2009 8 4.3.2 . . 4.3.3 . 4.3.4 40 . , 30 . 4.3.5 , , , .

8、 3.3.3 . 4.3.6 24, 24 . 4.4 4.4.1 , , . . m R-134a M R-134a ( n R-134a / t) M R-134a (V shed V MAC )P shed (C R-134a,e C R-134a,i )10 6 /(RT shed t) m R-134a： (g/h) n R-134a： (mol) V shed： (m 3 ) V MAC： (m 3 ) T shed： () P shed： (kPa) C R-134a： (10 6 (n R-134a / n air )( L/L) C R-134a,i： ( L/L) C R-

9、134a,e： ( L/L) t ： (t e t i ) t e： (h) t i： (h) M R-134a：R-134a (102 g/mol)(g/mol) R ： (8.31410 3kJ/molK)(kJ/molK) KS R 1168:2009 9 4.4.2 4.4.1 1 . . m R-134a,yr CFm R-134a 24365 m R-134a,yr： (g/a) CF ： (0.277) m R-134a： (g/h) 4.5 , 40 g/a, , 60 g/a . KS R 1168:2009 10 1 SAE J-2727, HFC-134a MAC sys

10、tem refrigerant emission chart 2 SAE J-2763, Test procedure for determining refrigerant emissions from MAC systems 3 EC No 706/2007, Harmonized test for measuring leakages from certain air conditioning systems 4 KSAE 0001:2009, R-134a ( ) KS R 1168:2009 11 KS R 1168:2009 , . 1 HFC R-134a , 40 g, 2 6

11、0 g . 2008 , 2009 Directive 2006/40/EC , . 2 KAIST 2005 , . EU (EC No 706/2007) , J2764 2008 . ISO , Clodic . 3 KAIST 2008 “ ” (, , , , ) , . 4 . KS R 1168:2009 12 ( ) KAIST ( ) KAIST ( ) KAIST ( ) 153787 1 92 3(13) (02)26240114 (02)262401489 http:/ KS R 1168 :2009 KSKSKS SKSKS KSKS SKS KS SKS KSKS SKSKS KSKSKS Test method of refrigerant leakage rates from mobile air conditioning system ICS 23.120；43.040.00 Korean Agency for Technology and Standards http:/www.kats.go.kr