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汽车 PEPS 低频发射天线布局的优化

1     概述

qichewuyaochijinruyuwuyaochiqidongxitong(peps),xuyaozaiyaokongyaochixitong(rke)gaopinxinhaotongxinmokuaidejichushang,tianjiayizudipinxinhaotongxinmokuai。dipinmokuaidegongzuoyuanlishichenei、waidipinxinhaofashetianxianshishifashechu125khzdedipindiancichang,dangzhinengyaochikaojinqicheshichanshengganyingdianya。

狗万滚球app下载muqianshichangshangzuichangjiandepepsxitongdipinfashetianxianshidaiyoutieyangtideluoxuantianxian。duiyupesxitongdipinfashetianxiandeyanjiu,jibensiludoushijiyusanweidiancifangzhenruanjian,jisuanchuqitianxianxingneng。jingfanfushiyan,dechutianxianbujudeyouhuafangan。

weijiejuemoudiandongqichecheneiyibiaotaiweizhiwufajiancedaozhinengyaochidewenti,duigaichecheneidepepsdipinfashetianxianjinxingfangzhenfenxi。gaicheneizhipeizhileyigepepsdipinfashetianxian,weiyuzhongkongtaihuandangkaiguanzhengxiafang,tongguoduidipinfashetianxianhechetijianmo,jinxingsanweidiancichangfangzhenjisuan,dedaoyuanchebuzhiqingkuang dezhongkongtaiweizhi、yibiaotaiweizhidecichangfenbu,bingtongguogaibiantianxiandebuzhi,zuizhongtichulehelideyouhuayijian。

2  基于 FEKO 的低频天线建模 

feko shijiyujuliangfadesanweidiancifangzhenruanjian。juliangfa shiyizhongpinyusuanfa,jizaimougepinlvdianxiazuodiancichangshuzhijisuan, jisuanjingdugao,shiyongyuguanchadangegongzuopinlvdianxiade peps di pinfashetianxianxingneng。daiyanjiudepepsdipinfashetianxianrutu1 suoshi。

2.1  天线参数 

狗万滚球app下载gaichexingde peps dipinfashetianxianyoudianganxianquanhetieyangti zucheng,dianganxianquanjiemianweijuxing。tianxiancanshujianbiao 1 ;pipeidian luwei rc chuanlian,canshujianbiao 2。

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2.2  建立电感线圈模型 

feko moxingkulimeiyoujuxingjiemiandeluoxianguan,yincixuyao shoudongjianli。shouxianjianlidanzaxianquanmoxing(tu 2),tongguofuzhi pingyixingcheng 100 zaxianquanmoxing(tu 3),bingwanchengtianxiancailiaocan shudeshezhi。

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2.3  建立铁氧体模型 

genjutieyangtiyudianganxianquandexiangduiweizhi,jianlitieyangti dewulimoxing(tu 4),bingwanchengtieyangticailiaocanshudeshezhi。

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tieyangtidechicunyuanxiaoyubozhang,shuyudianxiaojiegou。er feko lide vep(mom with volume equivalent principle) suanfa,keyicongjiaodidepinlvkaishijisuan,youjiaohaodewendingxinghe shoulianxing。 

2.4  添加匹配电路和激励电压 

jiang 3.3 nf he 54 ω depipeidianluhefengfengzhiwei 18 v(ji zuidazhiwei 9 v)dejilidianyatianjiadaociduankouzhong。wanchengdeji yu feko de peps xitongdipinfashetianxianjianmorutu 5 suoshi。

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狗万滚球app下载zai feko jinxingfangzhenjisuanqian,xuyaoduidipinfashetianxiande wanggezhiliangjinxingyouhuachuli。kaolvdaotieyangtidezhaibianjiaoduan,she zhixianwanggehetiwanggedezhangdujunweibozhangde 1/200。fangzhendedao gaitianxianzai125 khzpinlvxia,zukangxiangweiwei0.83 ,jigaigong zuopinlvxiatianxianchuyuxiezhenzhuangtai,yanzhengletianxianjianmodezhunquexing。

3  低频发射天线在整车中的磁场分布 

youyuzhinengyaochidedipinjieshoumokuaiweisangexianghuchuizhide sanweijieshouxianquan,zhuyaojieshoukongjiancichang,yinci,womenzhuyaoguan chadipintianxianfashechudecichangqiangdu [5]。zaiwanchengdipintianxianmoxing dejianmohou,jiangqizhiyuzhengchewanggemoxingzhong,lianhezhengchemoxingfang zhenchudipinfashetianxianzaicheneidecichangqiangdu。 

3.1  整车模型处理 

狗万滚球app下载weilezai feko zhongshixiandipintianxianzaizhengchehuanjingxiadedipin cichangfenbuqingkuang,bixuxianduizhengchemoxingjinxingyouxianyuanwanggedehua fen。jutongji,youxianyuanqianchuliyaozhan cae fenxiliuchengde 80%,erqiejisuanfenxijieguodezhunquexinggengduodeyilaiyuwanggezhiliang [6]。 hypermesh shiyikuanjuyouqiangdadeyouxianyuanwanggehuafenqianchuligong nengderuanjian,yongzheikuanruanjianjiang catia moxingchulichengyouxianyuanwangge, jibendeliuchengrutu 6 suoshi。

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狗万滚球app下载zhengcheshumoyibanwei catia moxing,gaobanbende hypermesh ke zhi jie dao ru catia ruan jian zhi zuo de mo xing。 er dao ru dao hypermeshzhongdejihemoxingkenenghuiyoujianxi、zhongdiehequesun, zheixiehuifangaigaozhiliangwanggedezidonghuafen。tongguoxiaochuquesunhekong, yijiyasuoxianglinqumiandebianjiedeng,keyizaimoxingneigengda、genghe lidequyuhuafenwangge,congertigaowanggehuafendezongtisuduhezhi liang。danduiyujubujingxijiegoudengfuzamokuai,xuanyongshoudonghuafenwang gedefangfa,jibuzuojiheqingli,zhijiezaifuzademokuaishangbushang linshijiedian(node),shoudonghuashangwangge。jiandanmokuaihefuzamo kuaidechulijieguofenbierutu 7(a)hetu 7(b)suoshi。

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zhengchemoxingwanggehuafenjieshuhou,xuyaoduiwanggedezhilianghe dianlianxuxingjinxingjiancha,baokuowanggedejiaodu、bianzhang、gonggongbiande xianjiecuowudeng。querenwanggewuwuhou,shengchengabaquswenjian,dao ru feko zhongyu peps dipinfashetianxianjinxinglianhefangzhenjisuan。 

3.2   低频天线在汽车中的磁场分布 

dipintianxianmoxingchushibuzhiweizhi :pingxingy zhoushuipingfangzhi zaihuandangkaiguanzhengxiafang,rutu 8 suoshi。dipintianxiandeduankoupipei dianluwei3.3 nfdianronghe54 ωdianzuchuanlian,qudongdianyavpp wei 18 v。tianjiapipeidianludefangfayizai 2.4 jiechanshu。bujinkaolv daochezhudaduojiangzhinengyaochizhiyuzuoyihuohuandangkaiguanchu,erqiezhong dianguanzhuqichewufajiancedaoyaochiweizhi(yibiaotaiweizhi)decichang fenbuqingkuang,fangzhenchucichangfenburutu 9 suoshi。

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狗万滚球app下载youtu 9 kezhi,dabufennengliangbeiyueshuzaicheneibu,cichangfen buyitianxianweifusheyuan,xiangwaijiaoweijunyundikuosan。cheliangneibuzuo youfangxiangdecichangfenbujiaoweiduicheng,zhongkongtaiweizhidecichangqiangdudeng zhixianfenbuzuiweimiji,yiweizhezaicichucichangnengliangshuaijianxiangduijiao kuai,kenengzuiyichuxianganyingbudaozhinengyaochideqingkuang。 

3.3  天线朝向对磁场分布的影响 

tongguogaibiantianxianbuju,shidezaiyouxianbuzhikongjianneichenei cichangqiangdudedaoyouhua。shouxianjiangdipintianxianpingxingxzhoushuipingfangzhi, cichangqiangdufangzhenjieguorutu 10 suoshi。 jiangdipintianxianpingxingzzhoushuipingfangzhi,zaihuandangkaiguanzhengxiafang, cichangqiangdufangzhenjieguorutu 11 suoshi。 fenbiejiangzhongkongtai、yibiaotaigaoduxiacichangqiangdujinxingkedu tongyi,tongguoduibitu 9~ tu 11 cichangqiangdukezhi,jiangdipintianxian pingxingx zhoufangxiangfangzhihou,bujinzaizuoyihezuoyifujinchucichang qiangdufenbugengjunyun(huangsequyubianda)qiewumangqu,tongshiyibiaotaifujindefenbuzengqiang(youzuichupianlvsequyubianweihuangsequyu), zheiduigaishancheneizhinengyaochideyibiaotaiweizhijiancewentifeichangyoubang zhu。yinciwomenjianyijiangdipintianxianpingxing x zhoubuzhi。

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4  结语

benwendeqiche peps dipinfashetianxianfangzhenfenxi,zonghekao lvlechetijiegou、tianxianweizhijuxianxing、kaifachengbendengxianzhiyinsu。 tongguoduitianxianbuzhifangxiangdeyouhua,bujintigaoleyaochichangguifangzhi (zhongkongtai)weizhidecichangqiangdu,haitishengleyibiaotaiweizhideci changqiangdu,zuizhongjiejueleshicheyibiaotaiwufajianceyaochidewenti。 cifangfahaishiyongzhengche emc xingnengzhengxiangkaifa,zaishejijieduantong guofangzhenfenxinenggoujishifaxianwenti、youhuafangan,bimianyinhouqi zhenggaierdaozhichexingkaifazhouqiyanzhang、chengbenzengjia。