型 號: | VD 5 D.0/-L24 |
報 價: |
壓力(li)(li)(li)開關(guan)(guan)采(cai)用高精度、高穩(wen)定(ding)性(xing)能(neng)的(de)(de)壓力(li)(li)(li)傳(chuan)感器和變送(song)電(dian)路,再經專用 CPU模塊化(hua)(hua)信(xin)號(hao)處理技術,實現(xian)對(dui)介質壓力(li)(li)(li)信(xin)號(hao)的(de)(de)檢測、顯(xian)示、報(bao)警和控制(zhi)信(xin)號(hao)輸出。壓力(li)(li)(li)開關(guan)(guan)可以廣泛用于石油、化(hua)(hua)工、冶金、電(dian)力(li)(li)(li)、供(gong)水等領(ling)域中對(dui)各種(zhong)氣(qi)體(ti)、液體(ti)的(de)(de)表壓、絕(jue)壓的(de)(de)測量(liang)控制(zhi),是工業現(xian)場理想的(de)(de)智能(neng)化(hua)(hua)測控儀表。HYDAC賀德克壓力(li)(li)(li)開關(guan)(guan)現(xian)貨(huo)供(gong)應
HYDAC賀德克壓力開關現貨供應
工作原理
壓(ya)(ya)力(li)(li)開(kai)關的工(gong)作(zuo)原理:是(shi)當系統內(nei)壓(ya)(ya)力(li)(li)高(gao)于或低于額定(ding)(ding)的安全壓(ya)(ya)力(li)(li)時(shi),感應器內(nei)碟(die)片(pian)瞬(shun)(shun)時(shi)發生移動(dong),通過連接(jie)導桿推(tui)動(dong)開(kai)關接(jie)頭接(jie)通或斷(duan)開(kai),當壓(ya)(ya)力(li)(li)降至或升額定(ding)(ding)的恢復(fu)值(zhi)時(shi),碟(die)片(pian)瞬(shun)(shun)時(shi)復(fu)位(wei),開(kai)關自動(dong)復(fu)位(wei),或者簡單(dan)的說(shuo)是(shi)當被測(ce)壓(ya)(ya)力(li)(li)超過額定(ding)(ding)值(zhi)時(shi),彈性元(yuan)件(jian)(jian)的自由端(duan)產生位(wei)移,直(zhi)接(jie)或經(jing)過比(bi)較(jiao)后(hou)推(tui)動(dong)開(kai)關元(yuan)件(jian)(jian),改變(bian)開(kai)關元(yuan)件(jian)(jian)的通斷(duan)狀(zhuang)態(tai),達(da)到控制(zhi)被測(ce)壓(ya)(ya)力(li)(li)的目(mu)的。壓(ya)(ya)力(li)(li)開(kai)關采用的彈性元(yuan)件(jian)(jian)有單(dan)圈彈簧(huang)管、膜(mo)片(pian)、膜(mo)盒及(ji)波(bo)紋管等。 [2]
主要分類
隔爆型
壓(ya)(ya)力(li)開關可分為防爆(bao)型和隔爆(bao)型使用(yong)等(deng)(deng)級(ji)范圍(wei)(wei)為Exd II CT1 ~ T6,進口隔爆(bao)壓(ya)(ya)力(li)開關需通過UL、CSA、CE等(deng)(deng)國(guo)際認證。可用(yong)于爆(bao)炸(zha)區域及強腐蝕(shi)氣氛環(huan)境中。隔爆(bao)型壓(ya)(ya)力(li)開關可提供(gong)不同的壓(ya)(ya)力(li),差壓(ya)(ya),真空和溫度(du)范圍(wei)(wei)等(deng)(deng)產品(pin)(pin)。常見的使用(yong)范圍(wei)(wei)有電力(li)、石(shi)油、化工、冶金、鍋爐、食品(pin)(pin)機械、環(huan)保(bao)設備等(deng)(deng)行業。
機械型
KSC機械式差壓(ya)開關
KSC機械式(shi)差(cha)壓(ya)開關
機械壓(ya)(ya)力開關(guan)(guan),為純機械形變(bian)導致微(wei)動(dong)(dong)開關(guan)(guan)動(dong)(dong)作。當壓(ya)(ya)力增加時,作用在不同的傳感壓(ya)(ya)力元器件(膜片、波紋(wen)管、活塞)產生(sheng)形變(bian),將向上移動(dong)(dong),通過欄桿彈(dan)簧等機械結構,最終啟(qi)動(dong)(dong)最上端的微(wei)動(dong)(dong)開關(guan)(guan),使電信號輸出。UE壓(ya)(ya)力開關(guan)(guan)設定方(fang)式從功能原理(li)上又分成(cheng)連續位移型和(he)力平衡型。
HYDAC賀德克壓力開關現貨供應