信息來源:本站 | 發布日期: 2023-06-14 13:21:06 | 瀏覽量:391
摘要:
一(yi)般來說,傳(chuan)感器的量程(cheng)越接(jie)近分配(pei)到每個(ge)傳(chuan)感器的載荷(he),其(qi)稱量的準確度就越高。但(dan)在實習運用時,因為(wei)加在傳(chuan)感器上的載荷(he)除被稱物體(ti)(ti)外(wai),還存在秤體(ti)(ti)自(zi)重(zhong)、皮重(zhong)、偏載及振(zhen)動沖擊等載荷(he),因此選用傳(chuan)感器量程(cheng)時,要(yao)考慮諸多方面的要(yao)素(su),確保傳(chuan)感器的安(an)全和(he)壽數(shu)。今(jin)天說下稱重(zhong)傳(chuan)…
一(yi)般來說(shuo),傳(chuan)感(gan)(gan)器(qi)(qi)的(de)(de)量(liang)(liang)程(cheng)越接近分配(pei)到每個(ge)傳(chuan)感(gan)(gan)器(qi)(qi)的(de)(de)載荷(he)(he),其稱(cheng)量(liang)(liang)的(de)(de)準(zhun)確度就越高。但在實習運用時,因為加(jia)在傳(chuan)感(gan)(gan)器(qi)(qi)上的(de)(de)載荷(he)(he)除被(bei)稱(cheng)物體外(wai),還存在秤體自重、皮(pi)重、偏載及振動沖擊等載荷(he)(he),因此(ci)選(xuan)用傳(chuan)感(gan)(gan)器(qi)(qi)量(liang)(liang)程(cheng)時,要(yao)(yao)考慮諸多方(fang)面的(de)(de)要(yao)(yao)素(su),確保傳(chuan)感(gan)(gan)器(qi)(qi)的(de)(de)安全和壽數。今天說(shuo)下稱(cheng)重傳(chuan)感(gan)(gan)器(qi)(qi)的(de)(de)數量(liang)(liang)和量(liang)(liang)程(cheng)原(yuan)理:
1、稱重傳感(gan)器的數量和量程
一(yi)般應使稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)在(zai)其(qi)(qi)30%~70%量(liang)(liang)程(cheng)內工(gong)作。但對(dui)于(yu)(yu)一(yi)些在(zai)運(yun)用過程(cheng)中存在(zai)較大(da)沖擊力的(de)衡(heng)器(qi)(qi)(qi),如(ru)(ru)動(dong)態(tai)軌(gui)(gui)道衡(heng)、動(dong)態(tai)汽車(che)(che)衡(heng)、鋼(gang)材秤等(deng)(deng),在(zai)選用稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)時,一(yi)般要(yao)拓展其(qi)(qi)量(liang)(liang)程(cheng),使稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)在(zai)其(qi)(qi)量(liang)(liang)程(cheng)的(de)20%~30%以內工(gong)作,使稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)的(de)稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)量(liang)(liang)儲藏量(liang)(liang)程(cheng)增大(da),以確保(bao)(bao)稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)的(de)運(yun)用安全(quan)和壽數。稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)型(xing)式(shi)(shi)的(de)選擇首要(yao)取決于(yu)(yu)稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)量(liang)(liang)的(de)類型(xing)和設備(bei)空間,確保(bao)(bao)設備(bei)適(shi)宜,稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)量(liang)(liang)安全(quan)可靠;另一(yi)方(fang)(fang)面,要(yao)考慮稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)制造廠的(de)建議。制造廠一(yi)般會根據稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)的(de)受力情況、功用政策、設備(bei)方(fang)(fang)法、結構型(xing)式(shi)(shi)、彈性體的(de)資料(liao)等(deng)(deng)特(te)征規矩稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)的(de)適(shi)用計劃,比如(ru)(ru)鋁式(shi)(shi)懸臂梁(liang)稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)適(shi)用于(yu)(yu)計價秤、平臺秤、案秤等(deng)(deng),鋼(gang)式(shi)(shi)懸臂梁(liang)稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)適(shi)用于(yu)(yu)料(liao)斗秤、電(dian)子皮帶秤、分選秤等(deng)(deng),鋼(gang)質橋式(shi)(shi)稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)適(shi)用于(yu)(yu)軌(gui)(gui)道衡(heng)、汽車(che)(che)衡(heng)、天車(che)(che)秤等(deng)(deng),柱式(shi)(shi)稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)適(shi)用于(yu)(yu)汽車(che)(che)衡(heng)、動(dong)態(tai)軌(gui)(gui)道衡(heng)、大(da)噸位(wei)料(liao)斗秤等(deng)(deng)。稱(cheng)(cheng)(cheng)(cheng)(cheng)(cheng)重(zhong)(zhong)(zhong)傳(chuan)(chuan)(chuan)感(gan)(gan)(gan)器(qi)(qi)(qi)
2、稱(cheng)重傳感(gan)器的(de)準確度等(deng)級選擇
稱重(zhong)傳(chuan)(chuan)感(gan)器(qi)(qi)的(de)(de)準(zhun)確度等級包括稱重(zhong)傳(chuan)(chuan)感(gan)器(qi)(qi)的(de)(de)非線(xian)性、蠕變、重(zhong)復(fu)性、滯后、靈敏(min)度等技術政(zheng)策。在選用的(de)(de)時分不應當(dang)盲目尋求高等級的(de)(de)稱重(zhong)傳(chuan)(chuan)感(gan)器(qi)(qi),應當(dang)考慮電(dian)子衡(heng)的(de)(de)準(zhun)確度等級和本錢。一般情況下,選用稱重(zhong)傳(chuan)(chuan)感(gan)器(qi)(qi)的(de)(de)總精度為非線(xian)性、不重(zhong)復(fu)性和滯后三項(xiang)政(zheng)策的(de)(de)之和的(de)(de)均方根(gen)值略高于秤(cheng)的(de)(de)精度。稱重(zhong)傳(chuan)(chuan)感(gan)器(qi)(qi)
3、各種類型(xing)稱重傳感(gan)器的運用計劃
選用的(de)(de)稱重(zhong)傳(chuan)感(gan)器(qi)(qi)須(xu)滿(man)足表面(mian)輸入靈敏度(du)(du)的(de)(de)央求,須(xu)可以與所選表面(mian)匹配,滿(man)足整臺電(dian)子秤(cheng)準確度(du)(du)的(de)(de)央求。一(yi)臺電(dian)子秤(cheng)首要(yao)是由機械(xie)(xie)組織、稱重(zhong)傳(chuan)感(gan)器(qi)(qi)、表面(mian)三有些構(gou)成,在對稱重(zhong)傳(chuan)感(gan)器(qi)(qi)準確度(du)(du)選擇的(de)(de)時分,應(ying)使稱重(zhong)傳(chuan)感(gan)器(qi)(qi)的(de)(de)準確度(du)(du)略高于理論核算值,因為理論一(yi)般遭到(dao)客觀條件的(de)(de)束縛,如機械(xie)(xie)結構(gou)的(de)(de)強度(du)(du)、表面(mian)的(de)(de)功用、秤(cheng)的(de)(de)工(gong)作環境惡劣(lie)程度(du)(du)等(deng)要(yao)素(su)都直接影響(xiang)到(dao)秤(cheng)的(de)(de)準確度(du)(du)。因此要(yao)從各方(fang)面(mian)行(xing)進央求,統籌經濟效益(yi),確保(bao)抵達(da)意圖。
4、運用環境(jing)
一般情(qing)況下(xia),高(gao)溫環(huan)境對(dui)稱(cheng)(cheng)重(zhong)(zhong)傳(chuan)感器(qi)(qi)構成涂(tu)覆資料(liao)融化、焊點開化、彈(dan)性(xing)體內應力(li)發生(sheng)結構改動等疑問;粉塵、濕潤對(dui)稱(cheng)(cheng)重(zhong)(zhong)傳(chuan)感器(qi)(qi)構成短(duan)(duan)路(lu)(lu)的(de)影響;在(zai)腐蝕性(xing)較(jiao)高(gao)的(de)環(huan)境下(xia)會構成稱(cheng)(cheng)重(zhong)(zhong)傳(chuan)感器(qi)(qi)彈(dan)性(xing)體受(shou)損或發生(sheng)短(duan)(duan)路(lu)(lu)表象;電磁(ci)場對(dui)稱(cheng)(cheng)重(zhong)(zhong)傳(chuan)感器(qi)(qi)輸出會發生(sheng)攪擾。相應的(de)環(huan)境要(yao)素下(xia)咱(zan)們有必要(yao)選(xuan)擇對(dui)應的(de)稱(cheng)(cheng)重(zhong)(zhong)傳(chuan)感器(qi)(qi)才調滿足(zu)必要(yao)的(de)稱(cheng)(cheng)重(zhong)(zhong)央(yang)求。
通過對(dui)稱(cheng)(cheng)重傳(chuan)感(gan)(gan)器的(de)數量和量程(cheng)原理的(de)了解,相信(xin)大家(jia)對(dui)稱(cheng)(cheng)重傳(chuan)感(gan)(gan)器有了一定的(de)了解。
1.一種(zhong)傳(chuan)感(gan)器(qi)部(bu)(bu)(bu)件(jian),其(qi)(qi)特(te)征(zheng)在(zai)于(yu)(yu),包括(kuo):傳(chuan)感(gan)器(qi)本體(ti),其(qi)(qi)承載桿上(shang)形(xing)成(cheng)有安(an)裝(zhuang)孔;第(di)一連接(jie)件(jian),一端為(wei)設在(zai)所述安(an)裝(zhuang)孔內的連接(jie)部(bu)(bu)(bu),另一端為(wei)抵接(jie)部(bu)(bu)(bu),中部(bu)(bu)(bu)為(wei)延伸部(bu)(bu)(bu)。2.一種(zhong)稱重傳(chuan)感(gan)器(qi)組件(jian),其(qi)(qi)特(te)征(zheng)在(zai)于(yu)(yu),包括(kuo):如(ru)權利要求1所述的傳(chuan)感(gan)器(qi)部(bu)(bu)(bu)件(jian);秤(cheng)腳(jiao)組件(jian),包括(kuo)秤(cheng)腳(jiao)本體(ti);其(qi)(qi)中所述抵接(jie)…
1.一種基于稱重(zhong)傳感(gan)器的加樣可視化PCR板(ban),其(qi)特征在(zai)于,包括板(ban)體(1),所(suo)述板(ban)體(1)設置(zhi)(zhi)有多個容(rong)納腔(qiang)(qiang)(2),所(suo)述容(rong)納腔(qiang)(qiang)(2)設置(zhi)(zhi)有隔膜(3),所(suo)述隔膜(3)將所(suo)述容(rong)納腔(qiang)(qiang)(2)分(fen)割為第(di)一腔(qiang)(qiang)(4)和第(di)二腔(qiang)(qiang)(5),所(suo)述第(di)一腔(qiang)(qiang)(4)用于容(rong)納介質,所(suo)述第(di)二腔(qiang)(qiang)(5)設置(zhi)(zhi)有稱重(zhong)傳感(gan)器(6),所(suo)述稱重(zhong)傳感(gan)…
1.一種(zhong)高精(jing)度稱重(zhong)傳(chuan)(chuan)感器,包括(kuo)安(an)(an)裝(zhuang)(zhuang)板(ban),其特征在于:所述(shu)(shu)安(an)(an)裝(zhuang)(zhuang)板(ban)上(shang)端(duan)螺紋連(lian)接有(you)稱重(zhong)傳(chuan)(chuan)感器本(ben)體,所述(shu)(shu)安(an)(an)裝(zhuang)(zhuang)板(ban)底端(duan)對稱安(an)(an)裝(zhuang)(zhuang)有(you)調節機(ji)構(gou),所述(shu)(shu)安(an)(an)裝(zhuang)(zhuang)板(ban)上(shang)端(duan)活動連(lian)接有(you)防(fang)護外(wai)殼,所述(shu)(shu)安(an)(an)裝(zhuang)(zhuang)板(ban)兩(liang)端(duan)內部均對稱安(an)(an)裝(zhuang)(zhuang)有(you)連(lian)接機(ji)構(gou),所述(shu)(shu)安(an)(an)裝(zhuang)(zhuang)板(ban)上(shang)端(duan)對稱開(kai)設有(you)定位槽,所述(shu)(shu)防(fang)護外(wai)殼兩(liang)端(duan)對稱安(an)(an)裝(zhuang)(zhuang)…
智能稱(cheng)重(zhong)傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器稱(cheng)重(zhong)傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器實際上是一(yi)種將質量信(xin)號(hao)(hao)轉(zhuan)變為可測量的(de)電信(xin)號(hao)(hao)輸出的(de)裝(zhuang)置。用(yong)傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器因先要考慮(lv)傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器所處(chu)的(de)實際工(gong)作環境,這點對正(zheng)確(que)選用(yong)稱(cheng)重(zhong)傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器至關(guan)重(zhong)要,它關(guan)系到傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器能否正(zheng)常工(gong)作以及它的(de)安(an)全和使用(yong)壽命,乃(nai)至整個衡器的(de)可靠性(xing)和安(an)全性(xing)。在稱(cheng)重(zhong)傳(chuan)(chuan)(chuan)(chuan)感(gan)(gan)器主要…