福彩快三

泽天新闻
相关资料   Related
联系泽天   Contact

几种实用的压力传感器灵敏度温度漂移补偿方法

发布时间:2020-5-6      发布人:泽天传感      点击:

1、引言

XIANDAIXINXICHANYEDESANDAZHIZHUSHICHUANGANQIJISHU、TONGXINJISHUHEJISUANJIJISHU,TAMENFENBIEGOUCHENGXINXIXITONGDE“GANGUAN”、“SHENJING”HE“DANAO”。CHUANGANQISHIXINXICAIJIXITONGDESHOUYAOBUJIAN,JIHUYINGYONGYUSUOYOUDEJISHULINGYU,SHIJIEGEGUODOUYUELAIYUEZHONGSHICHUANGANQIDEYANZHIYUKAIFA。

福彩快三 YALICHUANGANQISHIYINGYONGZUIWEIGUANGFANDECHUANGANQIZHIYI,JINNIANLAI,XIANJINGUOJIADOUJIADALEDUIYALICHUANGANQIDEYANJIULIDU。DUIYALICHUANGANQIDEYANJIUJIZHONGZAIYUANLI、ZHIZAOGONGYI、CHUANGANQIBUCHANGJISHUYUXINHAODIAOLISHANG。XIANYOUYALICHUANGANQIZAIYUANLIHESHENGCHANGONGYISHANGZHUYAOYOUDIANRONGSHI、ZHANTIESHI、GUIYAZUSHI、HEJINDIANZUYINGBIANSHIJIZHONG,GEZHONGCHUANGANQIDEGONGYIJISHUDOURIQUCHENGSHU,YOUQISHIHEJINDIANZUYINGBIANSHIYALICHUANGAN,XINGNENGYOUYUE,YINGYONGYUELAIYUEGUANGFAN。BENWENZHENDUIYINGXIANGGUIYAZUSHIHEHEJINBOMOYINGBIANSHIYALICHUANGANQICELIANGJINGDUDEYIGEZHUYAOWUCHA——LINGMINDUWENPIAOJINXINGFENXI,TANTAOGEZHONGBUCHANGFANGFA,TONGGUODUILINGMINDUWENPIAODEYOUXIAOBUCHANG,JIANSHAOWENDUBIANHUAYINQIDECELIANGWUCHA,TIGAOYALICHUANGANQICELIANGJINGDU。

2、影响压力传感器灵敏度温漂的主要因素

福彩快三 2.1 LINGMINDUHELINGMINDUWENPIAO

GUIYAZUSHIHEHEJINBOMOYALICHUANGANQICAIYONGDEZHUANHUANDIANLUYIBANWEIQUANQIAOYINGBIANDIANLU,CELIANGYUANLIJIANTU1SHI:

福彩快三 TU1 QUANQIAOYINGBIANDIANLU

YALICHUANGANQIMINGANXINPIANSHOUDAOYALICHANSHENGDIANZUZUZHIGAIBIAN,R1HER4DIANZUZENGDA,R2HER3DIANZUJIANXIAO,QIAOLUSHUCHUYIGEYUYALICHENGZHENGBIDEDIANXINHAO。LILUNSHANG,4GEDIANZUZUZHIXIANGTONG,JUNWEIR,DIANZUR1HER4DEBIANHUAZHIJUNWEIΔR,DIANZUR2HER3DEBIANHUAZHIJUNWEI(-ΔR),KETUIDAOCHU,CHUANGANQIDELINGDIANSHUCHUJIANGONGSHI(1):

福彩快三 ΔV=U×ΔR/R                                            (1)

LINGMINDUSHIZHIYALICHUANGANQIZAIMANLIANGCHENGYALIXIA,DANWEISHURUSUOCHANSHENGDESHUCHU;SHIYALICHUANGANQIDEJINGTAITEXINGZHONGDEYIXIANGZHONGYAOZHIBIAO。LINGMINDUWENPIAOZHIYALICHUANGANQIDEMANLIANGCHENGSHUCHUSUIWENDUBIANHUADEGAIBIANLV。YALICHUANGANQIDELINGMINDUWENPIAODEJISUANGONGSHIJIANSHI(2):

β=(YF.S(t2)- YF.S(t1))×100%/[YF.S(t1)×( t2- t1福彩快三)]/℃     (2)

福彩快三 QIZHONGYF.SBIAOSHIYALICHUANGANQIDEMANLIANGCHENGSHUCHU。

2.2 CHANSHENGLINGMINDUWENPIAODEZHUYAOYUANYIN

2.2.1 CHANSHENGGUIYAZUSHICHUANGANQILINGMINDUWENPIAODEZHUYAOYUANYIN

DUIYUGUIYAZUSHIYALICHUANGANQI,CHANSHENGLINGMINDUWENPIAODEYUANYINSHIDUOFANGMIANDE。YALILINGMINDUYUYAZUXISHUCHENGBILIGUANXI,YAZUXISHUSHIWENDUDEHANSHU,YINCIYAZUXISHUSUIWENDUBIANHUASHICHANSHENGLINGMINDUWENPIAODEZHUYAOYUANYIN。YAZUXISHUSUIWENDUSHENGGAOERXIAJIANG,LINGMINDUWENDUXISHUZONGSHIXIAOYULING,ERQIEYAMINDIANZUDEYAZUXISHUDEWENDUXISHUDA,YIBANXUYAOJINXINGWENDUBUCHANG,ZHEISHIGUIYAZUSHIYALICHUANGANQIZUIDAQUEDIAN。LINGWAI,JUEYUANCENGYUJIDICAILIAODEREPENGZHANGXISHUBUPIPEI,DIANZUCHANZABUHESHIDENGYEHUIYINGXIANGLINGMINDUWENPIAO。YINCIYAZUXISHUDEWENDUXISHUZAOCHENGDEWENPIAOXIANGDUIBIJIAOFUZA,BUCHANGXIANGDUIKUNNAN,DANYIBANYOUYIDINGDEGUILV,KEANZHAOJINGYANHEGUILVJINXINGBUCHANG。

福彩快三 2.2.2 CHANSHENGHEJINBOMOYINGBIANSHICHUANGANQILINGMINDUWENPIAODEZHUYAOYUANYIN

DUIYUHEJINBOMOYINGBIANSHIYALICHUANGANQI,YOUYUYINGBIANDIANZUSUIDANXINGYUANJIANDEBIANHUAERBIANHUA,ERDANXINGYUANJIANDANXINGMOLIANGSHIWENDUDEHANSHU,SUIZHEWENDUZENGJIA,DANXINGMOLIANGHUIZENGDA,SUOYIYALICHUANGANQIYOUYIGEZHENGDELINGMINDUWENPIAO;ZHEISHIYINGXIANGLINGMINDUWENPIAODEZHUYAOYUANYIN。YOUYUDANXINGMOLIANGDEWENDUXISHUWEIYIDINGZHI,SUOYI,HEJINBOMOYALICHUANGANQIDELINGMINDUWENPIAOJIBENWEIYIHENGDINGZHI,BUCHANGXIANGDUIJIANDAN,FANGBIANJINXINGBUCHANG。

3、JIZHONGBUCHANGLINGMINDUWENPIAODEFANGFA

福彩快三 XIAMIANJIESHAOMUQIANTONGYONGDEJIZHONGLINGMINDUWENPIAODEBUCHANGFANGFA:

福彩快三 RUTU2SHI:JIANGERJIGUANCHUANJIERUQIAOLUDEGONGYADIANYUANDUANLAISHIXIANLINGMINDUWENPIAODEBUCHANG;QIYUANLISHI:DUIQIAOLUCAIYONGHENGYAYUANGONGDIAN,ERJIGUANZAIZHENGXIANGSHIYONGSHIXIANGDANGYUFUWENDUXISHUDEXIAODIANZU,DANGHUANJINGWENDUZENGJIA,ERJIGUANZHENGXIANGDIANZUZHIJIANXIAO,ERJIGUANDEFENYAJIANXIAO,QIAOLUDEGONGQIAODIANYAZENGJIA,SHIDECHUANGANQIDELINGDIANSHUCHUYUMANLIANGCHENGSHUCHUZENGJIA,CONGERDADAOBUCHANGGUICHUANGANQIDEFULINGMINDUWENPIAO。ZHEIZHONGFANGFAJIANDANSHIYONG,SHIYINGYUGUIYAZUSHICHUANGANQIDELINGMINDUWENPIAOBUCHANG;QUEDIANSHIERJIGUANBUCHANGFANGSHILISANXINGDA,BUNENGSHIXIANLIANXUBUCHANG。

3.2 REMINDIANZUBUCHANGFA

采用恒压源供电,桥式电路的输出与供桥电压成正比,与桥臂电阻的变化量(ΔR1+ΔR4-ΔR2-ΔR3)成正比,与桥臂平均电阻R成反比。通过改变桥压的大小就可以实现灵敏度温漂的补偿。在桥路的供压电源端来串入一个温度系数比桥臂电阻大得多的热敏电阻,通过在不同温度下,热敏电阻的分压不同,引起桥路的供桥电压改变,从而达到改变传感器零点和满量程的改变。泽天传感在溅射薄膜压力传感器的温度补偿上,长期采用这种补偿方式,结果表明,该补偿方式简单易行,效果良好。

DUIYUGUIYAZUSHICHUANGANQI,YOUYUDIANZUDEWENDUXISHUYUYAZUXISHUDEWENDUXISHUJUNWEIFUZHI,ZAIREMINDIANZUDEXUANZESHANG,YAOXUANZEFUWENDUXISHUBIQIAOBEIDIANZUDADEDUODEREMINDIANZU,ZHEIYANG,ZAIGAOWENXIA,REMINDIANZUDEFENYABICHANGWENXIAXIAO,QIAOLUDEGONGQIAODIANYAZENGJIA,MANLIANGCHENGSHUCHUZENGJIA,QIDAOBUCHANGZUOYONG。HEJINYINGBIANSHIYALICHUANGANQIDEBUCHANGYUGUIYAZUSHIXIANGFAN,YINWEIDANXINGCAILIAOYUHEJINDIANZUCAILIAODEWENDUXISHUJUNWEIZHENGZHI,REMINDIANZUXUXUANZEZHENGWENDUXISHUDADEDIANZU,RUCHUNTONGDIANZU。

TONGGUOCHUANJIEREMINDIANZUFANGSHIBUCHANGLINGMINDUWENPIAO,GONGYIJIANDAN,BUCHANGJINGDUYEGAO;ZHEIZHONGFANGFAXIANGBIJIAOYUERJIGUANBUCHANGFANGFAGENGJINGQUE,REMINDIANZUDEWENDUXISHUCHENGXIANXING,KEYISHIXIANLIANXUJINGQUEDEBUCHANG,SHIZUICHANGYONGDEBUCHANGFANGFA。

福彩快三 3.3 SHUZIHUABUCHANG

YOUYUGAOJINGDUDESHUZIDIAOLIDIANLUDEFAZHAN,YALICHUANGANQIDELINGDIANWENPIAOYULINGMINDUWENPIAODOUKEYITONGGUOHOUQIDIANLUJINXINGXIUZHENG。ZAISHUZIDIAOLIXINPIANNEIBU,DAIYOUWENDUCHUANGANQI,NENGSHISHICELIANGCHUANGANQIHUANJINGWENDU。DIANLUNEIBUCUNCHUQI,KEYIYUXIANCUNRUGEZHONGWENDUXIADUIYINGDELINGDIANYUMANLIANGCHENGSHUCHUZHI。ZAIGEZHONGHUANJINGWENDUXIA,TONGGUONEIBUWENDUCHUANGANQICELIANGSHISHIWENDU,DIANLUDIAOCHUYUXIANCUNCHUDEGAIWENDUDIANXIADELINGDIANYUMANLIANGCHENGSHUCHUZHI,CONGERDADAOBUCHANGDEMUDE。

4、JIELUN

BENWENTONGGUOFENXIGUIYAZUSHIHEHEJINBOMOYINGBIANSHIYALICHUANGANQIDELINGMINDUWENPIAOCHANSHENGDEZHUYAOYUANYIN,ZHENDUILINGMINDUWENPIAODETEDIAN,JIESHAOJIZHONGYOUXIAODEBUCHANGFANGFA。FENXIHEZETIANCHUANGANZHANGQIDESHIYANJIEGUOBIAOMING:TONGGUOREMINDIANZUHUOGAOJINGDUDIAOLIDIANLUDOUKEYISHIXIANDUIYALICHUANGANQIDELINGMINDUWENPIAODEYOUXIAOBUCHANG,SHIYALICHUANGANQIWENDUWUCHAMANZU0.2JIHUOGENGGAOJINGDUYAOQIU。