負(fu)荷(he)傳感(gan)器(qi)(qi)(qi)原位(wei)(wei)標(biao)定(ding)(ding)：1 實(shi)驗過程(cheng)(cheng)中(zhong)根據(ju)試驗項目(mu)或用戶要求可隨時(shi)進行原位(wei)(wei)標(biao)定(ding)(ding)。2 原位(wei)(wei)標(biao)定(ding)(ding)所用儀(yi)器(qi)(qi)(qi)設(she)備主要有直(zhi)流穩(wen)壓(ya)(ya)電(dian)源、DC放(fang)大器(qi)(qi)(qi)（KWS3020B）、標(biao)準(zhun)砝(fa)碼(ma)(ma)（F2級）等, 計(ji)算(suan)機數(shu)據(ju)采集并(bing)計(ji)算(suan)分(fen)析誤差(cha)。3 準(zhun)備工作3.1 檢(jian)查(cha)傳感(gan)器(qi)(qi)(qi)的(de)放(fang)置(zhi)位(wei)(wei)置(zhi),其(qi)頂針應(ying)位(wei)(wei)于測(ce)桿橫(heng)截面(mian)的(de)中(zhong)心位(wei)(wei)置(zhi)。3.2 檢(jian)查(cha)法碼(ma)(ma)是否出于自由狀態，鋼帶有沒有碰到(dao)其(qi)它東西。3.3 起動自動加載(zai)(zai)機加砝(fa)碼(ma)(ma)，將傳感(gan)器(qi)(qi)(qi)加至滿(man)程(cheng)(cheng),減至空載(zai)(zai),再加至滿(man)程(cheng)(cheng)50㎏。4 標(biao)定(ding)(ding)過程(cheng)(cheng)4.1 由滿(man)量(liang)程(cheng)(cheng)逐(zhu)次(ci)減載(zai)(zai),每(mei)次(ci)40㎏，直(zhi)至20㎏.然后(hou)再逐(zhu)次(ci)加載(zai)(zai)至滿(man)量(liang)程(cheng)(cheng)200㎏。4.2 計(ji)算(suan)機數(shu)據(ju)采集并(bing)計(ji)算(suan)分(fen)析誤差(cha)。4.3 加載(zai)(zai)或減載(zai)(zai)時(shi),注意砝(fa)碼(ma)(ma)之間(jian)的(de)間(jian)隙應(ying)大致處于中(zhong)間(jian)位(wei)(wei)置(zhi),待電(dian)壓(ya)(ya)值(zhi)穩(wen)定(ding)(ding)后(hou)再采集。4.4 標(biao)定(ding)(ding)結果一般(ban)要求對滿(man)量(liang)程(cheng)(cheng)誤差(cha)不(bu)超(chao)過0.5‰，與(yu)前次(ci)重(zhong)復性誤差(cha)不(bu)超(chao)過±50g。5 結束5.1 打(da)印(yin)標(biao)定(ding)(ding)結果，記錄標(biao)定(ding)(ding)公(gong)式(shi)及誤差(cha)，并(bing)修(xiu)改數(shu)據(ju)文件。5.2 將砝(fa)碼(ma)(ma)減到(dao)20kg。檢(jian)查(cha)傳感(gan)器(qi)(qi)(qi)的(de)放(fang)置(zhi)位(wei)(wei)置(zhi),其(qi)頂針應(ying)位(wei)(wei)于測(ce)桿橫(heng)截面(mian)的(de)中(zhong)心位(wei)(wei)置(zhi)。上海(hai)負(fu)荷(he)傳感(gan)器(qi)(qi)(qi)咨詢(xun)

典型(xing)的(de)(de)(de)電(dian)(dian)容(rong)(rong)(rong)式(shi)傳(chuan)感(gan)器(qi)(qi)由上下電(dian)(dian)極(ji)、絕(jue)緣(yuan)體(ti)和襯底構成。當薄(bo)膜受壓力作(zuo)用時(shi)，薄(bo)膜會(hui)發生(sheng)一定的(de)(de)(de)變(bian)形，因此，上下電(dian)(dian)極(ji)之(zhi)(zhi)間的(de)(de)(de)距離發生(sheng)一定的(de)(de)(de)變(bian)化，從而使電(dian)(dian)容(rong)(rong)(rong)發生(sheng)變(bian)化。但(dan)電(dian)(dian)容(rong)(rong)(rong)式(shi)壓力傳(chuan)感(gan)器(qi)(qi)的(de)(de)(de)電(dian)(dian)容(rong)(rong)(rong)與(yu)上下電(dian)(dian)極(ji)之(zhi)(zhi)間的(de)(de)(de)距離的(de)(de)(de)關系(xi)是非線性關系(xi)，因此，要用具有補償(chang)功能的(de)(de)(de)測(ce)量(liang)電(dian)(dian)路對輸(shu)出電(dian)(dian)容(rong)(rong)(rong)進(jin)行(xing)(xing)非線性補償(chang)。電(dian)(dian)容(rong)(rong)(rong)式(shi)傳(chuan)感(gan)器(qi)(qi)也常常被人們稱為(wei)電(dian)(dian)容(rong)(rong)(rong)式(shi)物位(wei)計，電(dian)(dian)容(rong)(rong)(rong)式(shi)物位(wei)計的(de)(de)(de)電(dian)(dian)容(rong)(rong)(rong)檢測(ce)元(yuan)件是根(gen)據圓筒形電(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)原理進(jin)行(xing)(xing)工作(zuo)的(de)(de)(de)，電(dian)(dian)容(rong)(rong)(rong)器(qi)(qi)由兩個絕(jue)緣(yuan)的(de)(de)(de)同軸圓柱(zhu)極(ji)板內(nei)電(dian)(dian)極(ji)和外(wai)電(dian)(dian)極(ji)組成，在實際測(ce)量(liang)中D、d、e是基本不變(bian)的(de)(de)(de)，故測(ce)得C即可(ke)知道液(ye)位(wei)的(de)(de)(de)高低，這也是電(dian)(dian)容(rong)(rong)(rong)式(shi)傳(chuan)感(gan)器(qi)(qi)具有使用方便，結構簡單和靈敏度(du)高，價格便宜(yi)等特(te)點的(de)(de)(de)原因之(zhi)(zhi)一。河北拉(la)式(shi)負荷傳(chuan)感(gan)器(qi)(qi)怎么賣負載(zai)傳(chuan)感(gan)器(qi)(qi)受到壓縮或(huo)拉(la)伸時(shi)，應(ying)變(bian)計內(nei)的(de)(de)(de)電(dian)(dian)阻(zu)成比例地減小或(huo)增大。

對下置式(shi)萬能(neng)試驗(yan)機有所印象(本文將以(yi)此為例(li))。并(bing)且(qie)，直(zhi)接影響電測(ce)試驗(yan)機之后性能(neng)的(de)兩(liang)個(ge)(ge)重(zhong)要因(yin)(yin)素，由于無論(lun)對壓強傳(chuan)(chuan)感(gan)(gan)器(qi)測(ce)力(li)(li)還是力(li)(li)傳(chuan)(chuan)感(gan)(gan)器(qi)測(ce)力(li)(li)都同(tong)(tong)(tong)樣(yang)重(zhong)要，因(yin)(yin)此我(wo)先假設這(zhe)兩(liang)個(ge)(ge)因(yin)(yin)素同(tong)(tong)(tong)樣(yang)理想，所以(yi)，同(tong)(tong)(tong)時忽略(lve)，不在本文之中(zhong)討論(lun)。這(zhe)兩(liang)個(ge)(ge)因(yin)(yin)素是:①信號(hao)放大部分的(de)性能(neng)②上(shang)下鉗口中(zhong)心(xin)線(xian)與活塞中(zhong)心(xin)線(xian)重(zhong)合，二根升降絲桿中(zhong)心(xin)線(xian)與活塞中(zhong)心(xin)線(xian)在同(tong)(tong)(tong)一個(ge)(ge)平面。眾所周(zhou)知，力(li)(li)傳(chuan)(chuan)感(gan)(gan)器(qi)輸出的(de)電信號(hao)反映的(de)是作用在傳(chuan)(chuan)感(gan)(gan)器(qi)上(shang)的(de)力(li)(li)值。以(yi)油缸下置式(shi)萬能(neng)試驗(yan)機為例(li)，多數采(cai)用了精度(du)優于0.3‰的(de)輪輻式(shi)傳(chuan)(chuan)感(gan)(gan)器(qi)，并(bing)將傳(chuan)(chuan)感(gan)(gan)器(qi)安裝在工(gong)作活塞和(he)臺(tai)板之間。

應(ying)(ying)(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)管式(shi)壓力(li)(li)傳(chuan)感器(qi)(qi)的結(jie)構簡單(dan)、制(zhi)造(zao)方便、適用性強，在(zai)火箭(jian)彈、炮彈和(he)火炮的動(dong)態(tai)壓力(li)(li)測量方面有普遍應(ying)(ying)(ying)(ying)(ying)用。膜(mo)片(pian)式(shi)，它的彈性敏感元件(jian)為周(zhou)邊(bian)固(gu)定(ding)圓(yuan)形(xing)金屬平(ping)膜(mo)片(pian)。膜(mo)片(pian)受壓力(li)(li)變(bian)(bian)(bian)(bian)(bian)形(xing)時，中心處徑向應(ying)(ying)(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)和(he)切向應(ying)(ying)(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)均達(da)到正的較大(da)(da)(da)(da)值(zhi)，而邊(bian)緣處徑向應(ying)(ying)(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)達(da)到負的較大(da)(da)(da)(da)值(zhi)，切向應(ying)(ying)(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)為零。因此常把兩(liang)個應(ying)(ying)(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)片(pian)分別(bie)貼在(zai)正負較大(da)(da)(da)(da)應(ying)(ying)(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)處，并接(jie)成相鄰橋(qiao)臂的半橋(qiao)電(dian)路以獲得較大(da)(da)(da)(da)靈敏度和(he)溫(wen)度補償作(zuo)用。采用圓(yuan)形(xing)箔式(shi)應(ying)(ying)(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)計(ji)(見(jian)(jian)電(dian)阻(zu)應(ying)(ying)(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)計(ji))則能(neng)較大(da)(da)(da)(da)限度地利用膜(mo)片(pian)的應(ying)(ying)(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)效果。這種傳(chuan)感器(qi)(qi)的非線(xian)性較明顯。膜(mo)片(pian)式(shi)壓力(li)(li)傳(chuan)感器(qi)(qi)的較新產品是將彈性敏感元件(jian)和(he)應(ying)(ying)(ying)(ying)(ying)變(bian)(bian)(bian)(bian)(bian)片(pian)的作(zuo)用集(ji)于單(dan)晶(jing)硅(gui)膜(mo)片(pian)一身，即(ji)采用集(ji)成電(dian)路工藝在(zai)單(dan)晶(jing)硅(gui)膜(mo)片(pian)上擴(kuo)散制(zhi)作(zuo)電(dian)阻(zu)條，并采用周(zhou)邊(bian)固(gu)定(ding)結(jie)構制(zhi)成的固(gu)態(tai)壓力(li)(li)傳(chuan)感器(qi)(qi)（見(jian)(jian)壓阻(zu)式(shi)傳(chuan)感器(qi)(qi)）。用手(shou)持終端將載荷(he)設置到工作(zuo)模式(shi)，啟動(dong)載荷(he)傳(chuan)感器(qi)(qi)。

當(dang)施(shi)加張(zhang)力或(huo)(huo)壓縮(suo)(suo)力時(shi)，液體(ti)或(huo)(huo)氣體(ti)會膨(peng)脹或(huo)(huo)收縮(suo)(suo)，從而產生與所施(shi)加的力成(cheng)正比的電(dian)(dian)信(xin)號。這些(xie)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)通(tong)常(chang)直接(jie)連(lian)接(jie)到(dao)(dao)壓力表，它們是(shi)壓力傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)的示例。載(zai)荷(he)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)較(jiao)(jiao)常(chang)見的類型(xing)是(shi)應(ying)變(bian)儀(yi)載(zai)荷(he)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)。應(ying)變(bian)儀(yi)由柔性膜片(pian)和(he)金(jin)屬絲(si)組成(cheng)。當(dang)此負(fu)(fu)載(zai)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)受到(dao)(dao)壓縮(suo)(suo)或(huo)(huo)拉伸(shen)時(shi)，應(ying)變(bian)計內的電(dian)(dian)阻(zu)(zu)成(cheng)比例地減小或(huo)(huo)增(zeng)大(da)。應(ying)變(bian)計負(fu)(fu)載(zai)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)通(tong)常(chang)以(yi)電(dian)(dian)橋配置布置（用(yong)(yong)于通(tong)過使(shi)用(yong)(yong)三個已知(zhi)電(dian)(dian)阻(zu)(zu)來計算未知(zhi)電(dian)(dian)阻(zu)(zu))。電(dian)(dian)容式負(fu)(fu)載(zai)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)被認為是(shi)較(jiao)(jiao)精確的負(fu)(fu)載(zai)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)類型(xing)。它們測量電(dian)(dian)容（傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)存儲電(dian)(dian)荷(he)的能力）以(yi)量化(hua)壓縮(suo)(suo)力。通(tong)用(yong)(yong)要(yao)求(qiu)傳(chuan)(chuan)(chuan) 感(gan) 器(qi)(qi)(qi) 或(huo)(huo)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)與二次(ci)儀(yi)表組成(cheng)的系統應(ying)配有使(shi)用(yong)(yong)說明(ming)書(shu)，輸人輸出接(jie)線圖、簡明(ming)原(yuan)理圖等。上海負(fu)(fu)荷(he)傳(chuan)(chuan)(chuan)感(gan)器(qi)(qi)(qi)咨(zi)詢

負荷(he)(he)傳感(gan)器的說明書中應標明傳感(gan)器的名稱(cheng)、生產廠家、型號規格、量程、準確度及供(gong)電源要求(qiu)等。上海(hai)負荷(he)(he)傳感(gan)器咨詢

維護期間的(de)(de)(de)(de)注意事項：1.注意激勵電(dian)(dian)壓(ya)的(de)(de)(de)(de)大小(xiao)及其穩(wen)定(ding)性。電(dian)(dian)橋電(dian)(dian)壓(ya)值是否(fou)合格將直接影(ying)響(xiang)傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)在(zai)生產和使(shi)用中輸出信(xin)號(hao)的(de)(de)(de)(de)穩(wen)定(ding)性和準確性。2.確保傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)電(dian)(dian)纜與大地(di)之間的(de)(de)(de)(de)絕(jue)緣(yuan)(yuan)電(dian)(dian)阻在(zai)100MΩ以(yi)上(shang)。傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)絕(jue)緣(yuan)(yuan)不(bu)(bu)良，易(yi)受外(wai)界信(xin)號(hao)干擾(rao)，輸出信(xin)號(hao)不(bu)(bu)穩(wen)定(ding)。3.注意測量傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)的(de)(de)(de)(de)輸入電(dian)(dian)阻和輸出電(dian)(dian)阻。測量電(dian)(dian)阻時，使(shi)用電(dian)(dian)橋的(de)(de)(de)(de)電(dian)(dian)壓(ya)，不(bu)(bu)要超(chao)過(guo)傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)的(de)(de)(de)(de)激勵電(dian)(dian)壓(ya)。如果(guo)(guo)傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)的(de)(de)(de)(de)輸入電(dian)(dian)阻或輸出電(dian)(dian)阻不(bu)(bu)在(zai)規(gui)定(ding)范圍內，則(ze)說明傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)已損(sun)壞(huai)，不(bu)(bu)能(neng)(neng)正常使(shi)用。 4.注意傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)的(de)(de)(de)(de)零點。如果(guo)(guo)傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)的(de)(de)(de)(de)零點輸出超(chao)過(guo)規(gui)定(ding)值，說明傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)承受過(guo)大的(de)(de)(de)(de)負載，可能(neng)(neng)已經損(sun)壞(huai)。 5.如果(guo)(guo)傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)的(de)(de)(de)(de)絕(jue)緣(yuan)(yuan)層(ceng)隨天(tian)氣變(bian)化，雨(yu)天(tian)濕(shi)度大時絕(jue)緣(yuan)(yuan)層(ceng)明顯下降(jiang)，則(ze)可能(neng)(neng)是傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)的(de)(de)(de)(de)密封(feng)性損(sun)壞(huai)。6.傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)實際使(shi)用時，注意平(ping)面(mian)不(bu)(bu)要生銹(xiu)，造(zao)成不(bu)(bu)平(ping)整現象。若(ruo)傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)外(wai)部防銹(xiu)層(ceng)損(sun)壞(huai)，應及時修復，防止傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)外(wai)殼生銹(xiu)。上(shang)海(hai)負荷傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器(qi)咨詢

深圳市(shi)森瑪特(te)機電設備有限(xian)(xian)公(gong)司總部位于深圳市(shi)福田區沙頭街(jie)道天安(an)社(she)區泰然五路(lu)天安(an)數碼城(cheng)天祥大(da)廈5B之2，是一家一般經營項目(mu)(mu)的(de)(de)是：工業(ye)自動化儀器(qi)(qi)儀表(biao)的(de)(de)技術開發與(yu)銷售(不(bu)含限(xian)(xian)制(zhi)項目(mu)(mu))，國內貿易（不(bu)含專營、專控、專賣商品(pin)），經營進(jin)出口業(ye)務（法律(lv)、行(xing)(xing)政(zheng)法規、國務院(yuan)決定禁止的(de)(de)項目(mu)(mu)除外，限(xian)(xian)制(zhi)的(de)(de)項目(mu)(mu)須取得許可后方可經營）。的(de)(de)公(gong)司。公(gong)司自創(chuang)立以來，投身(shen)于張力(li)測(ce)(ce)量(liang)，測(ce)(ce)力(li)傳感器(qi)(qi)，扭(niu)矩傳感器(qi)(qi)，針孔檢(jian)測(ce)(ce)儀，是儀器(qi)(qi)儀表(biao)的(de)(de)主力(li)軍(jun)。森瑪特(te)機電設備致力(li)于把(ba)技術上(shang)的(de)(de)創(chuang)新展現成對用戶產品(pin)上(shang)的(de)(de)貼心，為用戶帶(dai)來良好體驗(yan)。森瑪特(te)機電設備始終關注(zhu)儀器(qi)(qi)儀表(biao)行(xing)(xing)業(ye)。滿足市(shi)場需求，提(ti)高產品(pin)價值，是我(wo)們前(qian)行(xing)(xing)的(de)(de)力(li)量(liang)。

本文(wen)來自(zi)宜興市(shi)恒通風機有限公(gong)司：//vijoo.com.cn/Article/41f75799201.html