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        1. 技術(shu)文章(zhang)您(nin)現在的(de)位(wei)置:首頁(ye) > 技(ji)術(shu)文章(zhang) > HYDAC壓力傳(chuan)感器(qi)HDA系列(lie)供應的詳細(xi)資料(liao)

          HYDAC壓力傳(chuan)感器(qi)HDA系列(lie)供應的詳細(xi)資料(liao)

          更(geng)新(xin)時間(jian):2016-03-03   點擊次(ci)數(shu):1153次

          HYDAC壓力傳(chuan)感器(qi)HDA系列(lie)供應

          供應德國HYDAC壓力傳(chuan)感器(qi) HYDAC壓力繼(ji)電(dian)器 賀(he)德克(ke)壓力傳(chuan)感器(qi) 賀(he)德克(ke)壓力繼(ji)電(dian)器 HYDAC壓力開(kai)關(guan) HYDAC溫(wen)度(du)傳(chuan)感器(qi) HYDAC溫(wen)度(du)開(kai)關(guan) HYDAC流量傳感器(qi) HYDAC流量開關(guan) 賀(he)德克(ke)壓力開(kai)關(guan) 賀(he)德克(ke)溫(wen)度(du)傳(chuan)感器(qi) 賀(he)德克(ke)溫(wen)度(du)開(kai)關(guan) 賀(he)德克(ke)流量傳感器(qi) 賀(he)德克(ke)流量開關(guan)
          傳(chuan)感器(qi)常見(jian)種(zhong)類(lei) 編(bian)輯本(ben)段(duan)
          2.1 電(dian)阻式傳(chuan)感器(qi) 電(dian)阻式傳(chuan)感器(qi)是將被測量,如位(wei)移、形變、力、加速(su)度(du)、濕度(du)、溫(wen)度(du)等(deng)這(zhe)些物(wu)理量轉(zhuan)換(huan)式成(cheng)電(dian)阻值這(zhe)樣(yang)的壹種器件。主要(yao)有(you)電(dian)阻應變(bian)式(shi)、壓阻式、熱(re)電(dian)阻、熱敏、氣(qi)敏、濕敏等(deng)電(dian)阻式傳(chuan)感器(qi)件。
          2.2 稱重傳(chuan)感器(qi) 稱重傳(chuan)感器(qi)是壹(yi)種(zhong)能(neng)夠將重力轉(zhuan)變(bian)為(wei)電(dian)信號(hao)的力→電(dian)轉(zhuan)換(huan)裝置,是電(dian)子衡(heng)器的(de)壹(yi)個關(guan)鍵(jian)部件(jian)。
          能夠(gou)實(shi)現力→電(dian)轉(zhuan)換(huan)的傳(chuan)感器(qi)有(you)多種,常見(jian)的(de)有(you)電(dian)阻應變(bian)式(shi)、電(dian)磁力式(shi)和電(dian)容式等(deng)。電(dian)磁力式(shi)主要(yao)用於(yu)電(dian)子天(tian)平,電(dian)容式用於(yu)部分電(dian)子吊(diao)秤,而絕大(da)多(duo)數(shu)衡(heng)器產品(pin)所(suo)用的還(hai)是電(dian)阻應變(bian)式(shi)稱重傳(chuan)感器(qi)。電(dian)阻應變(bian)式(shi)稱重傳(chuan)感器(qi)結(jie)構(gou)較簡(jian)單,準(zhun)確(que)度(du)高(gao),適(shi)用面廣,且(qie)能夠在相(xiang)對(dui)比(bi)較差(cha)的環境(jing)下使用。因此電(dian)阻應變(bian)式(shi)稱重傳(chuan)感器(qi)在衡(heng)器中(zhong)得(de)到(dao)了(le)廣泛(fan)地(di)運(yun)用。
          2.3 溫(wen)度(du)傳(chuan)感器(qi) 1、室溫(wen)管溫(wen)傳感器(qi):室溫(wen)傳感器(qi)用於(yu)測量室內(nei)和室外的(de)環境(jing)溫(wen)度(du),管(guan)溫(wen)傳感器(qi)用於(yu)測量蒸發(fa)器(qi)和冷凝器(qi)的管(guan)壁(bi)溫(wen)度(du)。室(shi)溫(wen)傳感器(qi)和管溫(wen)傳感器(qi)的形(xing)狀(zhuang)不同(tong),但溫(wen)度(du)特(te)性(xing)基(ji)本壹致。按(an)溫(wen)度(du)特(te)性(xing)劃分,目前(qian)美(mei)的(de)使(shi)用的室溫(wen)管溫(wen)傳感器(qi)有(you)二種類(lei)型(xing):1.常數(shu)B值(zhi)為(wei)4100K±3%,基準(zhun)電(dian)阻為(wei)25℃對(dui)應電(dian)阻10KΩ±3%。溫(wen)度(du)越高(gao),阻值越小(xiao);溫(wen)度(du)越低(di),阻值越大(da)。離(li)25℃越遠(yuan),對(dui)應電(dian)阻公(gong)差範(fan)圍(wei)越大(da);在0℃和55℃對(dui)應電(dian)阻公(gong)差約(yue)為(wei)±7%;而0℃以下及55℃以(yi)上(shang),對(dui)於(yu)不同(tong)的供應商,電(dian)阻公(gong)差會(hui)有(you)壹定的(de)差(cha)別。溫(wen)度(du)越高(gao),阻值越小(xiao);溫(wen)度(du)越低(di),阻值越大(da)。離(li)25℃越遠(yuan),對(dui)應電(dian)阻公(gong)差範(fan)圍(wei)越大(da)。
          2、排氣(qi)溫(wen)度(du)傳(chuan)感器(qi):排氣(qi)溫(wen)度(du)傳(chuan)感器(qi)用於(yu)測量壓縮(suo)機(ji)頂部的(de)排氣(qi)溫(wen)度(du),常數(shu)B值(zhi)為(wei)3950K±3%,基準(zhun)電(dian)阻為(wei)90℃對(dui)應電(dian)阻5KΩ±3%。
          3、模(mo)塊(kuai)溫(wen)度(du)傳(chuan)感器(qi):模(mo)塊(kuai)溫(wen)度(du)傳(chuan)感器(qi)用於(yu)測量變頻(pin)模(mo)塊(kuai)(IGBT或IPM)的(de)溫(wen)度(du),目前(qian)用的感溫(wen)頭(tou)的型(xing)號(hao)是602F-3500F,基(ji)準(zhun)電(dian)阻為(wei)25℃對(dui)應電(dian)阻6KΩ±1%。幾(ji)個典型(xing)溫(wen)度(du)的(de)對(dui)應阻值分(fen)別是(shi):-10℃→(25.897─28.623)KΩ;0℃→(16.3248─17.7164)KΩ;50℃→(2.3262─2.5153)KΩ;90℃→(0.6671─0.7565)KΩ。
          溫(wen)度(du)傳(chuan)感器(qi)的種(zhong)類(lei)很(hen)多(duo),現在經常使(shi)用的有(you)熱電(dian)阻:PT100、PT1000、Cu50、Cu100;熱電(dian)偶:B、E、J、K、S等(deng)。溫(wen)度(du)傳(chuan)感器(qi)不但種(zhong)類(lei)繁(fan)多,而且(qie)組合形式(shi)多(duo)樣(yang),應根據(ju)不同(tong)的場(chang)所選用合適(shi)的(de)產品(pin)。
          測溫(wen)原理(li):根據(ju)電(dian)阻阻值、熱(re)電(dian)偶的(de)電(dian)勢隨溫(wen)度(du)不同(tong)發(fa)生(sheng)有(you)規律的(de)變(bian)化(hua)的原(yuan)理,我(wo)們(men)可(ke)以得(de)到(dao)所(suo)需(xu)要(yao)測量的溫(wen)度(du)值(zhi)。
          2.4 位(wei)移(yi)傳感器(qi) 位移(yi)傳(chuan)感器(qi)又稱為(wei)線性傳感器(qi),把(ba)位移(yi)轉(zhuan)換(huan)為(wei)電(dian)量的傳(chuan)感器(qi)。位移(yi)傳(chuan)感器(qi)是壹(yi)種(zhong)屬(shu)於(yu)金(jin)屬(shu)感應(ying)的線性器件,傳(chuan)感器(qi)的作(zuo)用是把(ba)各種(zhong)被測物(wu)理量轉(zhuan)換(huan)為(wei)電(dian)量它(ta)分為(wei)電(dian)感式(shi)位移(yi)傳(chuan)感器(qi),電(dian)容式位(wei)移傳感器(qi),光電(dian)式位移(yi)傳感器(qi),超(chao)聲(sheng)波式(shi)位(wei)移傳(chuan)感器(qi),霍爾(er)式(shi)位移傳感器(qi)。
          在這(zhe)種轉(zhuan)換(huan)過程(cheng)中(zhong)有(you)許(xu)多物(wu)理量(例(li)如(ru)壓力、流量、加速(su)度(du)等(deng))常常需(xu)要(yao)先變(bian)換(huan)為(wei)位移(yi),然(ran)後再將位移(yi)變換(huan)成電(dian)量。因此位移傳(chuan)感器(qi)是壹(yi)類(lei)重(zhong)要(yao)的基(ji)本(ben)傳(chuan)感器(qi)。在生(sheng)產過程(cheng)中(zhong),位(wei)移的測量壹般(ban)分為(wei)測量實(shi)物(wu)尺寸和機(ji)械位(wei)移(yi)兩(liang)種。機(ji)械位(wei)移(yi)包括線位移和角位(wei)移(yi)。按(an)被測變(bian)量變換(huan)的形(xing)式不同(tong),位移(yi)傳(chuan)感器(qi)可分(fen)為(wei)模(mo)擬(ni)式和數字式(shi)兩種(zhong)。模(mo)擬(ni)式又可(ke)分為(wei)物性(xing)型(xing)(如自(zi)發(fa)電(dian)式)和結(jie)構(gou)型(xing)兩種(zhong)。常用位移傳感器(qi)以模(mo)擬(ni)式結(jie)構(gou)型(xing)居(ju)多(duo),包括電(dian)位器式(shi)位移傳感器(qi)、 電(dian)感式(shi)位移(yi)傳(chuan)感器(qi)、自整(zheng)角機(ji)、電(dian)容式位(wei)移傳感器(qi)、電(dian)渦(wo)流式位移傳(chuan)感器(qi)、霍爾(er)式(shi)位移傳感器(qi)等。數(shu)字(zi)式(shi)位移傳感器(qi)的壹(yi)個重(zhong)要(yao)優(you)點是(shi)便(bian)於(yu)將信號(hao)直接(jie)送入(ru)計(ji)算(suan)機(ji)系統(tong)。這(zhe)種傳(chuan)感器(qi)發(fa)展(zhan)迅速(su),應(ying)用日益(yi)廣泛(fan)。
          HYDAC壓力傳(chuan)感器(qi)HDA系列(lie)供應
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