Manypeoplehavelifeplaywhilechargingthemobilephonemobilephonehabits,butoftenmorethanusualheat.Sosomepeoplethinkthatplaywhilechargingthemobilephonewillnotonlydamagethemobilephone,mobilephonewillmakeradiationstrong,thisistrue?accordingtopeople.com.cnreported,http://www.bjfshfe.com/E_GuestBook.asp,BeijingUniversityofTechnologyCollegeofAppliedSciencesAssociateProfessorZhouHongzhiconductedasecret,hesaid,playwhilechargingthemobilephoneisactuallytheresultofthesuperpositionoftheheat.Supplyvoltageofabout5voltsofthechargertochargethebattery,butthemobilephoneintheuseofonly3.7voltsto4voltsorso,playwhilechargingthemobilephone,hasastep-downsystemwillplaytheroleofbloodpressure,butthispressuresystemwillpowerconsumption,andpowerconsumptionintheformofheatrelease,theheatgeneratedintheuseofmobilephoneandintheprocessofheatsuperimposedtogether,mobilephonewillbemorethanusualheat.mostoftheregularmobilephonehasasetoftemperaturecontroldevice,ifthephonereachedorexceededacertaintemperature,thechargingprocesswillbesuspendedormobilephonewillbeforcedtoshutdown.forsomepeopleworryplaywhilechargingwillincreasemobilephoneworkloadproblem,花花公子飞织运动休闲鞋,ZhouHongzhisaid,withthemainoperatingproceduresmobilephoneworkload,chargingwillnotincreasethemobilephoneworkload,butnottodamagetheandmobilephone,mobilephoneandmobilephonebatterylifeisusuallyusethesamecycleandaslongastheuseofregularandmobilephonecharger,donothavetoworryaboutthebatterywilldamageearly.inaddition,ZhouHongzhisaid,http://www.jxinfo.net.cn/guestbook.asp,mobilephoneradiationandthesizeofmobilephoneisincharge.Therefore,playwhilechargingthemobilephone,mobilephoneradiationwillnotincrease,andmobilephoneradiationsignalreceivingprocess.nowmobilephonehasasetofautomaticpowercontrol(APC)system,thissystemcanguaranteethestabilityofmobilephonesignal.Insimpleterms,thedistancefromthebasestationmobilephonewillchangeintheprocessofmoving,andthenthesignaltransceiverwillchangeifthesignalisverystrong,http://www.jxinfo.net.cn/guestbook.asp,mobilephonewillautomaticallylaunchtheradiationpowertoaminimum;whenthesignalisattenuatedwhenthemobilephonewillautomaticallyextracthighradiationpoweremission.butaslongasitisanational3Ccertificationofmobilephone,themaximumpowerofitsradiationwillnotexceedthelimitsprescribedbythestate.生活中很多人有边充电边玩手机的习惯，但这时手机往往比平时更热,http://www.pybz.cn/E_GuestBook.asp。于是有人认为，边充电边玩手机不仅会损坏手机，还会使手机辐射变强,http://www.yjcszh.cn/GuestAdd.asp，这是真的吗？据人民网报道，北京工业大学应用数理学院副教授周洪直对此进行了揭秘，他表示，边充电边玩手机其实是热量叠加的结果。充电器给电池充电时提供5伏左右的电压，但手机在使用时仅需要3.7伏到4伏左右的电压，边充电边玩时，手机内有一个降压系统会起到降压的作用，但这个降压系统会消耗功率，并且把消耗的功率以热量的形式释放出来，这个热量与手机在使用过程中产生的热量叠加到一起，手机就会比平时更热。目前大多数正规手机内部都有一套温度控制装置，如果手机达到或者超过一定温度时,http://www.yjcszh.cn/GuestAdd.asp，充电过程会被中止或者手机会被强制关机。针对有人担心边充电边玩会增加手机工作负荷的问题，周洪直表示，手机工作负荷主要与其运行程序有关，充电不会增加手机工作负荷，更不会损坏手机，而且手机电池的寿命通常与手机的使用周期相同，只要使用正规的手机和充电器，就不用担心电池会过早损坏。此外，周洪直表示，手机辐射的大小和手机是否在充电无关,http://www.lwgjzxx.net/E_GuestBook.asp，因此边充电边玩手机，并不会增大手机辐射，手机辐射主要与其信号的收发过程有关。现在的手机中都有一套自动功率控制(APC)系统，这套系统能保证手机信号的稳定。简单来说，手机在移动过程中与基站的距离会发生变化，继而其信号的收发也会发生变化：假如信号很强,http://evoljavacommunity.evoljava.com/CopyOfBellaOriginal/index.php，手机会自动将发射的辐射功率调到最小；当信号减弱时，手机会自动提高发射的辐射功率。不过只要是经过国家3C认证的手机，其辐射功率的最大值也不会超出国家规定的限额。