啟柵為您解答安全柵的選型和應用問題

發布時間：[2021-10-28] 105人瀏覽

1、安(an)(an)全(quan)(quan)柵(zha)主(zhu)要(yao)是(shi)(shi)靠(kao)什么來防爆(bao)的(de)(de)？ 本安(an)(an)系統(tong)在國(guo)內越(yue)來越(yue)受到(dao)人們(men)的(de)(de)關注，作為其(qi)主(zhu)要(yao)構成部件的(de)(de)安(an)(an)全(quan)(quan)柵(zha)也(ye)會被(bei)人們(men)所認(ren)識。那么，安(an)(an)全(quan)(quan)柵(zha)主(zhu)要(yao)是(shi)(shi)靠(kao)什么來防爆(bao)的(de)(de)呢？控制能量，控制能量就是(shi)(shi)安(an)(an)全(quan)(quan)柵(zha)防爆(bao)的(de)(de)法寶(bao)，不管(guan)是(shi)(shi)齊(qi)(qi)納(na)安(an)(an)全(quan)(quan)柵(zha)還是(shi)(shi)隔離式(shi)安(an)(an)全(quan)(quan)柵(zha)全(quan)(quan)都是(shi)(shi)通過控制能量來達到(dao)防爆(bao)規(gui)定的(de)(de)要(yao)求的(de)(de)。齊(qi)(qi)納(na)安(an)(an)全(quan)(quan)柵(zha)，從名字上我(wo)們(men)可以(yi)知道齊(qi)(qi)納(na)全(quan)(quan)柵(zha)其(qi)主(zhu)要(yao)構成...

啟柵淺析信號隔離器的工作原理及其功能

發布時間：[2021-10-28] 105人瀏覽

工作原(yuan)理(li)(li)： 首先(xian)要把變送(song)器或者(zhe)儀表(biao)的(de)信(xin)(xin)號(hao)，通過(guo)(guo)半導體的(de)器件(jian)來(lai)調制變換(huan)，然后(hou)再通過(guo)(guo)光感或者(zhe)磁感器件(jian)來(lai)進行隔離轉換(huan)，然后(hou)再進行解調變而換(huan)回(hui)隔離前原(yuan)信(xin)(xin)號(hao)，同時(shi)對(dui)隔離后(hou)信(xin)(xin)號(hao)的(de)供電(dian)電(dian)源來(lai)進行隔離處理(li)(li)。保(bao)證了(le)變換(huan)以后(hou)的(de)信(xin)(xin)號(hao)、電(dian)源、地(di)之(zhi)間絕對(dui)獨立。功能：1.保(bao)護(hu)一(yi)下(xia)下(xia)級的(de)控制回(hui)路。2.消弱環境噪聲對(dui)于(yu)測試電(dian)路的(de)影響。3.抑制公共接地(di)...

安全柵安裝注意事項

發布時間：[2021-10-28] 105人瀏覽

安(an)裝中的(de)注(zhu)意(yi)事項(xiang) :　 1.安(an)全柵(zha)應安(an)裝在安(an)全場(chang)所(suo)，并環境(jing)條件能滿足本手冊《通(tong)(tong)用技術指標(biao)》中的(de)“使用條件”的(de)要求。　　2.隔離(li)式(shi)安(an)全柵(zha)本安(an)端（藍色標(biao)記）和非本安(an)端電(dian)路的(de)接線導線在匯(hui)線槽中應分開(kai)鋪(pu)設，各自(zi)采用獨立(li)的(de)保護套管。本安(an)側的(de)配線套管內不允許有其(qi)它電(dian)源線，包括其(qi)本安(an)電(dian)路使用的(de)電(dian)源線。　　3.通(tong)(tong)往(wang)危(wei)險場(chang)所(suo)的(de)導線...

安全柵的作用

發布時間：[2021-10-28] 105人瀏覽

經常有(you)人問(wen)我安(an)(an)(an)(an)全柵(zha)到底有(you)作用，我來詳細的(de)給大家解釋一下，如(ru)果不(bu)是(shi)專業人士(shi)可以看不(bu)明白哦。安(an)(an)(an)(an)全柵(zha)應(ying)用在(zai)本(ben)安(an)(an)(an)(an)防爆系統的(de)設計中，它(ta)是(shi)安(an)(an)(an)(an)裝于(yu)安(an)(an)(an)(an)全場(chang)所并含有(you)本(ben)安(an)(an)(an)(an)電(dian)路(lu)(lu)(lu)(lu)(lu)和(he)非本(ben)安(an)(an)(an)(an)電(dian)路(lu)(lu)(lu)(lu)(lu)的(de)裝置，電(dian)路(lu)(lu)(lu)(lu)(lu)中通過(guo)限(xian)流和(he)限(xian)壓電(dian)路(lu)(lu)(lu)(lu)(lu)限(xian)制了(le)送往現場(chang)本(ben)安(an)(an)(an)(an)回(hui)路(lu)(lu)(lu)(lu)(lu)的(de)能(neng)量，從而防止非本(ben)安(an)(an)(an)(an)電(dian)路(lu)(lu)(lu)(lu)(lu)的(de)危險能(neng)量串入本(ben)安(an)(an)(an)(an)電(dian)路(lu)(lu)(lu)(lu)(lu)，是(shi)本(ben)安(an)(an)(an)(an)系統的(de)重(zhong)要(yao)組成(cheng)部分。安(an)(an)(an)(an)全柵(zha)作用安(an)(an)(an)(an)裝于(yu)安(an)(an)(an)(an)全場(chang)所...

雷電及其危害性的認識

發布時間：[2021-10-28] 105人瀏覽

編者(zhe)按：雷(lei)電(dian)(dian)災害(hai)(hai)是聯合國公布的(de)(de)(de)(de)干(gan)旱、洪水(shui)、地震、海嘯等10余(yu)種(zhong)最嚴重(zhong)的(de)(de)(de)(de)自然災害(hai)(hai)之一，具有(you)巨大(da)的(de)(de)(de)(de)破壞性，對(dui)社會(hui)造成巨大(da)的(de)(de)(de)(de)經濟損失。研究、普及 《建筑物(wu)及電(dian)(dian)氣設(she)備防雷(lei)技術》具有(you)重(zhong)要的(de)(de)(de)(de)現(xian)實意義。 雷(lei)電(dian)(dian)是發生在大(da)氣中一種(zhong)可怖而又壯觀的(de)(de)(de)(de)大(da) 自然放電(dian)(dian)現(xian)象，它那劃破長空的(de)(de)(de)(de)耀 目閃(shan)電(dian)(dian)和令人戰栗(li)的(de)(de)(de)(de)雷(lei)鳴，體現(xian)了一種(zhong)強烈(lie)的(de)(de)(de)(de)聲(sheng)、...

關于開關量安全柵的常見七大詞匯注解

發布時間：[2021-10-28] 105人瀏覽

1開(kai)(kai)關(guan)(guan)量開(kai)(kai)關(guan)(guan)量指的(de)是(shi)控(kong)制繼電器的(de)接通或(huo)者斷開(kai)(kai)所對(dui)應的(de)值，即“１”和(he)“０”。用(yong)接通、斷開(kai)(kai)表(biao)示信號的(de)有(you)、無，按照開(kai)(kai)關(guan)(guan)的(de)觸(chu)(chu)(chu)點(dian)(dian)(dian)(dian)(dian)類型可(ke)以分為無源觸(chu)(chu)(chu)點(dian)(dian)(dian)(dian)(dian)和(he)有(you)源觸(chu)(chu)(chu)點(dian)(dian)(dian)(dian)(dian)。無源觸(chu)(chu)(chu)點(dian)(dian)(dian)(dian)(dian)又(you)稱為干接點(dian)(dian)(dian)(dian)(dian)（Dry contact）：觸(chu)(chu)(chu)點(dian)(dian)(dian)(dian)(dian)兩端沒(mei)有(you)電壓(ya)，僅(jin)相當于(yu)一個開(kai)(kai)關(guan)(guan)，用(yong)通斷表(biao)示信號有(you)無，兩個接點(dian)(dian)(dian)(dian)(dian)之間(jian)沒(mei)有(you)極(ji)性(xing)，如繼電器輸(shu)出端。有(you)源觸(chu)(chu)(chu)點(dian)(dian)(dian)(dian)(dian)又(you)稱為濕(shi)接點(dian)(dian)(dian)(dian)(dian)（Wet...

安全柵的作用

發布時間：[2021-10-28] 105人瀏覽

安(an)全(quan)(quan)(quan)柵(zha)又被(bei)稱為(wei)安(an)全(quan)(quan)(quan)保(bao)持(chi)器。具有(you)本(ben)安(an)回路(lu)的(de)(de)安(an)全(quan)(quan)(quan)接口，它能(neng)夠在(zai)(zai)安(an)全(quan)(quan)(quan)區(qu)還有(you)危險(xian)區(qu)之間(jian)來雙向轉遞電信號，并(bing)且(qie)可(ke)以限(xian)制因為(wei)故障所引起的(de)(de)安(an)全(quan)(quan)(quan)區(qu)向危險(xian)區(qu)還有(you)能(neng)量轉遞。一般的(de)(de)安(an)全(quan)(quan)(quan)柵(zha)主要有(you)齊納式、隔離(li)式。 本(ben)安(an)型安(an)全(quan)(quan)(quan)柵(zha)應用在(zai)(zai)本(ben)安(an)防爆系統(tong)的(de)(de)設計當中，它是安(an)裝(zhuang)在(zai)(zai)安(an)全(quan)(quan)(quan)場(chang)所并(bing)且(qie)含有(you)本(ben)安(an)電路(lu)還有(you)非本(ben)安(an)電路(lu)的(de)(de)裝(zhuang)置，電路(lu)中通過(guo)限(xian)流還有(you)限(xian)壓電路(lu)限(xian)...

安全柵常見故障處理方法

發布時間：[2021-10-28] 105人瀏覽

安全柵常見故障的(de)(de)(de)處理(li)方法：一、電(dian)(dian)源指示燈不亮(liang)或液晶不顯(xian)示1、檢(jian)(jian)查(cha)儀表供電(dian)(dian)電(dian)(dian)源接(jie)(jie)入是(shi)(shi)(shi)否正(zheng)確可(ke)靠。2、檢(jian)(jian)查(cha)供電(dian)(dian)電(dian)(dian)壓是(shi)(shi)(shi)否正(zheng)常。3、檢(jian)(jian)查(cha)24V電(dian)(dian)源正(zheng)負是(shi)(shi)(shi)否接(jie)(jie)反。二、輸(shu)出無(wu)信(xin)號1、輸(shu)入信(xin)號是(shi)(shi)(shi)否已正(zheng)確接(jie)(jie)入輸(shu)入端(duan)子。2、輸(shu)入信(xin)號類型是(shi)(shi)(shi)否與儀表輸(shu)入類型一致。3、輸(shu)出接(jie)(jie)線端(duan)子是(shi)(shi)(shi)否緊固(gu)。4、可(ke)拆卸的(de)(de)(de)的(de)(de)(de)外部(bu)接(jie)(jie)線端(duan)子是(shi)(shi)(shi)否插接(jie)(jie)到位(wei)。5、外部(bu)輸(shu)出...

安全柵的選用原則

發布時間：[2021-10-28] 105人瀏覽

1、安(an)(an)(an)(an)全(quan)(quan)柵的(de)(de)(de)(de)防(fang)爆標志(zhi)等級(ji)必須不低(di)(di)于本安(an)(an)(an)(an)電氣設(she)(she)備的(de)(de)(de)(de)防(fang)爆標志(zhi)的(de)(de)(de)(de)等級(ji)。2、確定安(an)(an)(an)(an)全(quan)(quan)柵的(de)(de)(de)(de)端電阻及回路電阻可以滿(man)足(zu)本安(an)(an)(an)(an)電氣設(she)(she)備的(de)(de)(de)(de)最低(di)(di)工(gong)作電壓。3、安(an)(an)(an)(an)全(quan)(quan)柵的(de)(de)(de)(de)本安(an)(an)(an)(an)端安(an)(an)(an)(an)全(quan)(quan)參數能夠滿(man)足(zu)本安(an)(an)(an)(an)參數防(fang)爆認證的(de)(de)(de)(de)要(yao)求。4、根據(ju)本安(an)(an)(an)(an)電氣設(she)(she)備的(de)(de)(de)(de)電源極性及信號傳輸方式選擇(ze)與(yu)之(zhi)相(xiang)匹配的(de)(de)(de)(de)安(an)(an)(an)(an)全(quan)(quan)柵。5、避免(mian)安(an)(an)(an)(an)全(quan)(quan)柵的(de)(de)(de)(de)漏(lou)電流影響本安(an)(an)(an)(an)現場設(she)(she)備的(de)(de)(de)(de)正常工(gong)作。6、安(an)(an)(an)(an)全(quan)(quan)柵有(you)...

安全柵工作原理

發布時間：[2021-10-28] 105人瀏覽

安(an)全(quan)柵的(de)主要功能就(jiu)是限(xian)(xian)制(zhi)安(an)全(quan)場所的(de)危(wei)(wei)險(xian)能量(liang)進入危(wei)(wei)險(xian)場所，及限(xian)(xian)制(zhi)送往(wang)危(wei)(wei)險(xian)場所的(de)電(dian)(dian)(dian)壓(ya)和電(dian)(dian)(dian)流(liu)。齊(qi)納(na)(na)管Z用(yong)(yong)于限(xian)(xian)制(zhi)電(dian)(dian)(dian)壓(ya)。當(dang)回路(lu)(lu)電(dian)(dian)(dian)壓(ya)接(jie)近安(an)全(quan)限(xian)(xian)壓(ya)值(zhi)時，齊(qi)納(na)(na)管導(dao)通(tong)，使(shi)齊(qi)納(na)(na)管兩(liang)端的(de)電(dian)(dian)(dian)壓(ya)始終保持(chi)在安(an)全(quan)限(xian)(xian)壓(ya)值(zhi)以下。電(dian)(dian)(dian)阻(zu)R用(yong)(yong)于限(xian)(xian)制(zhi)電(dian)(dian)(dian)流(liu)。當(dang)電(dian)(dian)(dian)壓(ya)被限(xian)(xian)制(zhi)后(hou)，適當(dang)選(xuan)擇電(dian)(dian)(dian)阻(zu)值(zhi)，可將回路(lu)(lu)電(dian)(dian)(dian)流(liu)限(xian)(xian)制(zhi)在安(an)全(quan)限(xian)(xian)流(liu)值(zhi)以下。與齊(qi)納(na)(na)安(an)全(quan)柵相(xiang)比，隔離(li)式(shi)安(an)全(quan)柵除具有限(xian)(xian)壓(ya)...