實(shí)驗(yàn)室房(fang)間(jian)壓(ya)力(li)控(kong)製(快(kuai)速型)
髮(fa)佈時(shí)間(jian):2024-01-22 18:23:03
房間(jian)控製(zhi)器(qi)+壓(ya)力傳感(gan)器(qi)+房(fang)間(jian)控製麵(mian)闆+變風(fēng)(feng)量(liang)閥(QAVC10)麵(mian)闆(ban)設(shè)定(ding)房間(jian)壓(ya)差(cha)值(zhi),通(tong)過(guò)(guo)壓差(cha)傳(chuan)感(gan)器(qi)監(jiān)(jian)測(cè)到室(shi)內(nèi)外(wai)的壓(ya)力差,把(ba)數(shù)(shu)據(jù)傳(chuan)遞給房(fang)間(jian)控製器控(kong)製(zhi)器將其轉(zhuǎn)(zhuan)化成糢(mo)擬量輸(shu)齣(chu)(0-10V或(huo)4-20MA)對(duì)(dui)風(fēng)閥(fa)角度進(jìn)行調(diào)(diao)節(jié)。噹室內(nèi)(nei)負(fù)壓(ya)小于設(shè)定(ding)值(zhi)時(shí),加(jia)大排(pai)風(fēng)(feng)量(liang);噹(dang)室內(nèi)負(fù)(fu)壓大(da)于(yu)設(shè)定值時(shí),減(jian)小(xiao)排風(fēng)量(liang),從而實(shí)現(xiàn)房(fang)間(jian)的(de)負(fù)壓(ya)恆定(ding)。