车用PWM冷却风扇控制策略试验研究

316Vol．31No．6201412I．C．E＆PowerplantDec．2014【】PWM230601S5PWMPWM。PWMNVH。PWMTK414．2A1673－6397201406－0008－02TheInvestigationofControlStrategyonPWMCoolingFanHANXiao－fengZHANGShi－luWENGＲuiZhaoQiangAnhuiJianhuaiAutomobileCo．Ltd．Hefei230601ChinaAbstractPWMcoolingfancontrollogicwasdesignedandresearchedonthebasisoftheＲefineS5．AccordingtothedesignedcontrolstrategyexperimentsshowthatPWMcoolingfanoperatesac-curatelyandtimelyaccordingtotherunningdifferentstatesofthevehicleensuringthethermalbal-anceandtheairconditionerperformanceofthevehicleinadditionandimprovingitseconomyandtheNVHperformance．KeyWordsPWMFanControlStrategyA/C1983－。2014－07－01。PWM。PWM。PWM。PWM。S5PWMPWMPWM。1PWM1PWMPWM1。ECM、、PWMPWMPWMPWMPWMECMECM20146PWMECM。2。PWMPWM2。2PWM2．11XZ。1PWMXT1T2T3T4T5T6T7T8T9T10ZPWM1PWM2PWM3PWM4PWM5PWM6PWM7PWM8PWM9PWM102．2。、PWM。。、、PWM2PV。2PWMT1T2T3T4T5T6T7T8T9T10PVPWM1PWM2PWM3PWM4PWM5PWM6PWM7PWM8PWM9PWM102．3PWMS51．5L6、PWM3L、M、H、V1、V2、V3、。3PWM/kPa/km·h－1/°C－20607080859095100105110//10101010101020608090P＜LALL10102020203060809090L≤P＜MV＜V150505050607075809090V1≤V＜V210303040506070809090V≥V210202020202060809090M≤P＜HV＜V150505050505050809090V1≤V＜V260606060607070809090V≥V240404040404040709090P≥HALL9090909090909090909033PWM、。3．1、4344·9·201412。。2。、PLC、、。3“”。、、、。1JB/T8126．2－2010．2．2QC/T288．2－2001．．3．SOFIMＲ．櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏櫏2004．9PWM102．8°C。4/℃/℃91．890．2102．3102．83．225°C40°C、、34。PWMNEDC0．4L/100km。325℃440℃3．3、5PWM0．1～2．1dB。5km/hPWMdBAdBA4060100II4544．958．65．263．16270．569．44S5PWM、。PWMNVH。PWM。1．M．2007．2．M．2005．3．M．2011．4．J．2013398－100．5．J．2009337－40．6．J．201245－9．·44·