氣(qi)動高(gao)(gao)速開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)閥(fa)(fa)在現代工(gong)(gong)業自動化(hua)領(ling)域中發(fa)揮了越來(lai)越重要的(de)(de)作(zuo)用。高(gao)(gao)響應、長壽(shou)命(ming)、低(di)功耗、模塊化(hua)及具有高(gao)(gao)穩定(ding)性和可靠性的(de)(de)氣(qi)動高(gao)(gao)速開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)閥(fa)(fa)的(de)(de)開(kai)(kai)(kai)發(fa),是(shi)促(cu)進工(gong)(gong)業自動化(hua)及氣(qi)動技(ji)術自身發(fa)展所(suo)必需面對的(de)(de)課題, 高(gao)(gao)速開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)閥(fa)(fa)作(zuo)為航空航天高(gao)(gao)速開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)閥(fa)(fa)式系(xi)統的(de)(de)核心元件,國(guo)內外眾多學(xue)者和機(ji)(ji)構(gou)對其進行了大量(liang)研究,在高(gao)(gao)頻電(dian)液(ye)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)閥(fa)(fa)的(de)(de)開(kai)(kai)(kai)發(fa)中、采用了壓電(dian)陶瓷材(cai)料(liao)(liao)、電(dian)致伸縮(suo)材(cai)料(liao)(liao)等(deng)新材(cai)料(liao)(liao)作(zuo)為開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)閥(fa)(fa)的(de)(de)電(dian)-機(ji)(ji)轉換裝置, 其中詳細設(she)計了高(gao)(gao)速開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)閥(fa)(fa)的(de)(de)電(dian)源(yuan)、
一、高速開關閥
氣(qi)(qi)(qi)動(dong)高(gao)(gao)(gao)(gao)(gao)(gao)速(su)(su)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)在(zai)現代工(gong)業(ye)自(zi)動(dong)化領域中發(fa)揮了(le)(le)(le)(le)(le)越來(lai)越重(zhong)要(yao)(yao)的(de)(de)(de)(de)(de)(de)(de)(de)作(zuo)用。高(gao)(gao)(gao)(gao)(gao)(gao)響(xiang)應(ying)(ying)、長壽(shou)(shou)命(ming)、低功耗、模塊(kuai)化及(ji)具有高(gao)(gao)(gao)(gao)(gao)(gao)穩定性(xing)(xing)(xing)(xing)和可靠性(xing)(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)(de)氣(qi)(qi)(qi)動(dong)高(gao)(gao)(gao)(gao)(gao)(gao)速(su)(su)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)開(kai)(kai)(kai)(kai)發(fa),是促進(jin)工(gong)業(ye)自(zi)動(dong)化及(ji)氣(qi)(qi)(qi)動(dong)技術(shu)自(zi)身(shen)發(fa)展所必需面對(dui)(dui)的(de)(de)(de)(de)(de)(de)(de)(de)課(ke)題(ti), 高(gao)(gao)(gao)(gao)(gao)(gao)速(su)(su)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)作(zuo)為(wei)航空(kong)航天高(gao)(gao)(gao)(gao)(gao)(gao)速(su)(su)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)式(shi)系統(tong)的(de)(de)(de)(de)(de)(de)(de)(de)核心元(yuan)件(jian),國內外眾多學者和機(ji)(ji)構(gou)對(dui)(dui)其(qi)進(jin)行(xing)了(le)(le)(le)(le)(le)大(da)(da)量研究,在(zai)高(gao)(gao)(gao)(gao)(gao)(gao)頻電(dian)(dian)(dian)(dian)液(ye)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)開(kai)(kai)(kai)(kai)發(fa)中、采(cai)用了(le)(le)(le)(le)(le)壓電(dian)(dian)(dian)(dian)陶瓷材料、電(dian)(dian)(dian)(dian)致(zhi)伸縮(suo)材料等新(xin)材料作(zuo)為(wei)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)-機(ji)(ji)轉換裝置, 其(qi)中詳細設(she)計(ji)(ji)(ji)(ji)了(le)(le)(le)(le)(le)高(gao)(gao)(gao)(gao)(gao)(gao)速(su)(su)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)源、顯(xian)示(shi)、串口和CAN通(tong)訊(xun)電(dian)(dian)(dian)(dian)路(lu)(lu);重(zhong)點設(she)計(ji)(ji)(ji)(ji)了(le)(le)(le)(le)(le)控(kong)制高(gao)(gao)(gao)(gao)(gao)(gao)速(su)(su)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)驅動(dong)放大(da)(da)電(dian)(dian)(dian)(dian)路(lu)(lu),設(she)計(ji)(ji)(ji)(ji)中采(cai)用了(le)(le)(le)(le)(le)CPU與功率(lv)放大(da)(da)部分(fen)電(dian)(dian)(dian)(dian)氣(qi)(qi)(qi)隔離措施,提(ti)高(gao)(gao)(gao)(gao)(gao)(gao)其(qi)可靠性(xing)(xing)(xing)(xing)和安全性(xing)(xing)(xing)(xing);同時使用雙電(dian)(dian)(dian)(dian)壓驅動(dong)方(fang)式(shi),縮(suo)短了(le)(le)(le)(le)(le)高(gao)(gao)(gao)(gao)(gao)(gao)速(su)(su)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)開(kai)(kai)(kai)(kai)關(guan)(guan)響(xiang)應(ying)(ying)時間,因而提(ti)高(gao)(gao)(gao)(gao)(gao)(gao)了(le)(le)(le)(le)(le)響(xiang)應(ying)(ying)頻率(lv)、在(zai)硬件(jian)電(dian)(dian)(dian)(dian)路(lu)(lu)基礎(chu)上、設(she)計(ji)(ji)(ji)(ji)了(le)(le)(le)(le)(le)高(gao)(gao)(gao)(gao)(gao)(gao)速(su)(su)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)顯(xian)示(shi)、串行(xing)和CAN通(tong)訊(xun)接口以及(ji)PWM控(kong)制信(xin)號的(de)(de)(de)(de)(de)(de)(de)(de)軟件(jian)模塊(kuai),最后(hou)對(dui)(dui)高(gao)(gao)(gao)(gao)(gao)(gao)速(su)(su)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)閥(fa)(fa)(fa)芯運(yun)動(dong)特性(xing)(xing)(xing)(xing)以及(ji)占(zhan)空(kong)比對(dui)(dui)閥(fa)(fa)(fa)芯運(yun)動(dong)的(de)(de)(de)(de)(de)(de)(de)(de)影(ying)響(xiang)做了(le)(le)(le)(le)(le)分(fen)析(xi),進(jin)而分(fen)析(xi)了(le)(le)(le)(le)(le)高(gao)(gao)(gao)(gao)(gao)(gao)速(su)(su)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)靜、動(dong)態(tai)特性(xing)(xing)(xing)(xing),提(ti)高(gao)(gao)(gao)(gao)(gao)(gao)動(dong)態(tai)特性(xing)(xing)(xing)(xing)的(de)(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)(xing)(xing)能; 高(gao)(gao)(gao)(gao)(gao)(gao)速(su)(su)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)應(ying)(ying)用于(yu)電(dian)(dian)(dian)(dian)液(ye)可變氣(qi)(qi)(qi)門系統(tong)進(jin)行(xing)實(shi)驗(yan)研究,實(shi)驗(yan)結果表明:在(zai)輸入(ru)(ru)信(xin)號頻率(lv)為(wei)133Hz,輸入(ru)(ru)電(dian)(dian)(dian)(dian)壓幅值為(wei)5V,彈簧剛度(du)35N/mm,預緊(jin)力(li)265N,系統(tong)壓力(li)8.5MPa,流量20L/min的(de)(de)(de)(de)(de)(de)(de)(de)條件(jian)下(xia),彈簧回(hui)復(fu)的(de)(de)(de)(de)(de)(de)(de)(de)氣(qi)(qi)(qi)門最大(da)(da)升程(10mm)比液(ye)壓力(li)回(hui)復(fu)的(de)(de)(de)(de)(de)(de)(de)(de)氣(qi)(qi)(qi)門最大(da)(da)升程(8mm)高(gao)(gao)(gao)(gao)(gao)(gao)出25%,從而證實(shi)了(le)(le)(le)(le)(le)高(gao)(gao)(gao)(gao)(gao)(gao)速(su)(su)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)及(ji)其(qi)電(dian)(dian)(dian)(dian)動(dong)機(ji)(ji)械(xie)轉換器的(de)(de)(de)(de)(de)(de)(de)(de)有效性(xing)(xing)(xing)(xing),根(gen)據開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)技術(shu)要(yao)(yao)求(qiu)對(dui)(dui)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)進(jin)行(xing)了(le)(le)(le)(le)(le)試(shi)驗(yan)研究,其(qi)中包(bao)括(kuo)樣機(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)(de)靜態(tai)試(shi)驗(yan)和動(dong)態(tai)試(shi)驗(yan),并(bing)對(dui)(dui)試(shi)驗(yan)結果進(jin)行(xing)了(le)(le)(le)(le)(le)分(fen)析(xi)得出了(le)(le)(le)(le)(le)開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)相(xiang)機(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)(xing)(xing)能參數,試(shi)驗(yan)結果表明:開(kai)(kai)(kai)(kai)關(guan)(guan)閥(fa)(fa)(fa)樣機(ji)(ji)開(kai)(kai)(kai)(kai)啟壓力(li)小,啟閉迅速(su)(su)在(zai)公(gong)稱壓力(li)下(xia)實(shi)現了(le)(le)(le)(le)(le)零泄漏,滿足設(she)計(ji)(ji)(ji)(ji)要(yao)(yao)求(qiu), 在(zai)真空(kong)樹脂(zhi)灌(guan)(guan)注(zhu)(zhu)(zhu)機(ji)(ji)中計(ji)(ji)(ji)(ji)量閥(fa)(fa)(fa)是一個很重(zhong)要(yao)(yao)的(de)(de)(de)(de)(de)(de)(de)(de)部件(jian)、它的(de)(de)(de)(de)(de)(de)(de)(de)性(xing)(xing)(xing)(xing)能的(de)(de)(de)(de)(de)(de)(de)(de)好壞(huai)、密封性(xing)(xing)(xing)(xing)能如何及(ji)壽(shou)(shou)命(ming)的(de)(de)(de)(de)(de)(de)(de)(de)長短,都直接關(guan)(guan)系到灌(guan)(guan)注(zhu)(zhu)(zhu)機(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)(de)真空(kong)度(du)及(ji)計(ji)(ji)(ji)(ji)量配(pei)(pei)比精度(du);而計(ji)(ji)(ji)(ji)量配(pei)(pei)比精度(du)又是灌(guan)(guan)注(zhu)(zhu)(zhu)機(ji)(ji)灌(guan)(guan)注(zhu)(zhu)(zhu)質量的(de)(de)(de)(de)(de)(de)(de)(de)根(gen)本保證。因此,要(yao)(yao)想提(ti)高(gao)(gao)(gao)(gao)(gao)(gao)灌(guan)(guan)注(zhu)(zhu)(zhu)機(ji)(ji)的(de)(de)(de)(de)(de)(de)(de)(de)灌(guan)(guan)注(zhu)(zhu)(zhu)質量,就(jiu)必須提(ti)高(gao)(gao)(gao)(gao)(gao)(gao)計(ji)(ji)(ji)(ji)量閥(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)(de)各項性(xing)(xing)(xing)(xing)能。
二、開關閥的電業控(kong)制(zhi)系統(tong)
氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)活(huo)(huo)(huo)塞式(shi)(shi)切(qie)(qie)斷(duan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)由(you)氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)活(huo)(huo)(huo)塞式(shi)(shi)執(zhi)(zhi)行(xing)(xing)機(ji)(ji)構(gou)與(yu)直行(xing)(xing)程(cheng)調節(jie)機(ji)(ji)構(gou)二(er)(er)部分組成(cheng),中(zhong)間由(you)支架(jia)連接(jie)而成(cheng)。根(gen)據調節(jie)機(ji)(ji)構(gou)的(de)(de)(de)(de)(de)(de)(de)型(xing)式(shi)(shi),氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)活(huo)(huo)(huo)塞式(shi)(shi)切(qie)(qie)斷(duan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)可分為直通(tong)(tong)(tong)單座切(qie)(qie)斷(duan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(ZSQP型(xing))、直通(tong)(tong)(tong)套筒切(qie)(qie)斷(duan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(ZSQM型(xing))、二(er)(er)位(wei)(wei)(wei)(wei)三通(tong)(tong)(tong)切(qie)(qie)斷(duan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)(ZSQN型(xing))三種(zhong)(zhong)(zhong)型(xing)式(shi)(shi);氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)活(huo)(huo)(huo)塞式(shi)(shi)執(zhi)(zhi)行(xing)(xing)機(ji)(ji)構(gou)有(you)(you)(you)單作(zuo)(zuo)(zuo)用(yong)(yong)(彈簧復(fu)位(wei)(wei)(wei)(wei))和(he)雙(shuang)作(zuo)(zuo)(zuo)用(yong)(yong)(雙(shuang)進(jin)氣(qi)(qi)(qi)(qi))二(er)(er)種(zhong)(zhong)(zhong),采用(yong)(yong)單作(zuo)(zuo)(zuo)用(yong)(yong)執(zhi)(zhi)行(xing)(xing)機(ji)(ji)構(gou),整(zheng)機(ji)(ji)作(zuo)(zuo)(zuo)用(yong)(yong)方式(shi)(shi)可分為氣(qi)(qi)(qi)(qi)關(guan)(guan)(guan)(guan)(guan)(guan)式(shi)(shi)(水平管(guan)路(lu)接(jie)通(tong)(tong)(tong))和(he)氣(qi)(qi)(qi)(qi)水平管(guan)路(lu)斷(duan)開(kai)(kai)(kai))在結(jie)(jie)構(gou)上(shang),氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)與(yu)電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)(ti)(ti)是沒(mei)有(you)(you)(you)什么區別的(de)(de)(de)(de)(de)(de)(de),主要區別在于推(tui)動(dong)(dong)(dong)(dong)(dong)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)(ti)(ti)中(zhong)的(de)(de)(de)(de)(de)(de)(de)滑(hua)塊改(gai)(gai)(gai)變(bian)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)位(wei)(wei)(wei)(wei)的(de)(de)(de)(de)(de)(de)(de)推(tui)動(dong)(dong)(dong)(dong)(dong)力(li)(li)不同,氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)由(you)氣(qi)(qi)(qi)(qi)路(lu)(管(guan)子)中(zhong)的(de)(de)(de)(de)(de)(de)(de)控(kong)制(zhi)(zhi)空氣(qi)(qi)(qi)(qi)送到閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)中(zhong)的(de)(de)(de)(de)(de)(de)(de)操(cao)(cao)作(zuo)(zuo)(zuo)氣(qi)(qi)(qi)(qi)缸推(tui)動(dong)(dong)(dong)(dong)(dong)活(huo)(huo)(huo)塞移動(dong)(dong)(dong)(dong)(dong)帶動(dong)(dong)(dong)(dong)(dong)滑(hua)塊改(gai)(gai)(gai)變(bian)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)(ti)(ti)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)位(wei)(wei)(wei)(wei);電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)則通(tong)(tong)(tong)過螺(luo)旋線圈產生(sheng)(sheng)電(dian)(dian)(dian)磁(ci)吸力(li)(li)帶動(dong)(dong)(dong)(dong)(dong)滑(hua)塊改(gai)(gai)(gai)變(bian)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)(ti)(ti)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)位(wei)(wei)(wei)(wei), 氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)所(suo)接(jie)的(de)(de)(de)(de)(de)(de)(de)控(kong)制(zhi)(zhi)信號(hao)(hao)是氣(qi)(qi)(qi)(qi)壓(ya)(ya)(ya)(ya)(ya)信號(hao)(hao),必(bi)須用(yong)(yong)管(guan)子連接(jie)體(ti)(ti)(ti)(ti)(ti)積(ji)(ji)較大(da),由(you)于氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)改(gai)(gai)(gai)變(bian)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)位(wei)(wei)(wei)(wei)是通(tong)(tong)(tong)過其氣(qi)(qi)(qi)(qi)缸內控(kong)制(zhi)(zhi)空氣(qi)(qi)(qi)(qi)形(xing)成(cheng)一定的(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)后(hou)才能推(tui)動(dong)(dong)(dong)(dong)(dong)活(huo)(huo)(huo)塞與(yu)滑(hua)塊改(gai)(gai)(gai)變(bian)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)(ti)(ti)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)位(wei)(wei)(wei)(wei);實(shi)際控(kong)制(zhi)(zhi)時(shi)(shi)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)速(su)度(du)相(xiang)對較慢,電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)控(kong)制(zhi)(zhi)信號(hao)(hao)一般電(dian)(dian)(dian)流(liu)(liu)信號(hao)(hao)也(ye)將(jiang)用(yong)(yong)導(dao)線連接(jie)且沒(mei)有(you)(you)(you)操(cao)(cao)作(zuo)(zuo)(zuo)柱塞,所(suo)以(yi)(yi)電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)體(ti)(ti)(ti)(ti)(ti)積(ji)(ji)比(bi)氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)體(ti)(ti)(ti)(ti)(ti)積(ji)(ji)小產生(sheng)(sheng)吸力(li)(li)的(de)(de)(de)(de)(de)(de)(de)速(su)度(du)相(xiang)對較快(kuai)(kuai),從工(gong)作(zuo)(zuo)(zuo)速(su)度(du)看電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)較快(kuai)(kuai),由(you)于氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)改(gai)(gai)(gai)變(bian)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)位(wei)(wei)(wei)(wei)是通(tong)(tong)(tong)過其氣(qi)(qi)(qi)(qi)缸內控(kong)制(zhi)(zhi)空氣(qi)(qi)(qi)(qi)形(xing)成(cheng)一定的(de)(de)(de)(de)(de)(de)(de)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)后(hou)才能推(tui)動(dong)(dong)(dong)(dong)(dong)活(huo)(huo)(huo)塞與(yu)滑(hua)塊改(gai)(gai)(gai)變(bian)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)(ti)(ti)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)位(wei)(wei)(wei)(wei),實(shi)際控(kong)制(zhi)(zhi)時(shi)(shi)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)速(su)度(du)相(xiang)對較慢,而電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)電(dian)(dian)(dian)流(liu)(liu)產生(sheng)(sheng)吸力(li)(li)的(de)(de)(de)(de)(de)(de)(de)速(su)度(du)相(xiang)對較快(kuai)(kuai),開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)容積(ji)(ji)減(jian)壓(ya)(ya)(ya)(ya)(ya)是為提高(gao)效率(lv)而提出(chu)的(de)(de)(de)(de)(de)(de)(de)一種(zhong)(zhong)(zhong)新型(xing)減(jian)壓(ya)(ya)(ya)(ya)(ya)方法,對其關(guan)(guan)(guan)(guan)(guan)(guan)鍵元件超(chao)(chao)高(gao)壓(ya)(ya)(ya)(ya)(ya)大(da)流(liu)(liu)量(liang)氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)原(yuan)理、動(dong)(dong)(dong)(dong)(dong)態特(te)性(xing)進(jin)行(xing)(xing)詳(xiang)細的(de)(de)(de)(de)(de)(de)(de)理論和(he)試驗研究,利用(yong)(yong)氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)力(li)(li)平衡,解決超(chao)(chao)高(gao)壓(ya)(ya)(ya)(ya)(ya)主閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)心(xin)驅(qu)動(dong)(dong)(dong)(dong)(dong)力(li)(li)大(da)和(he)響(xiang)應慢的(de)(de)(de)(de)(de)(de)(de)難題,設(she)計出(chu)小流(liu)(liu)量(liang)驅(qu)動(dong)(dong)(dong)(dong)(dong)大(da)開(kai)(kai)(kai)口的(de)(de)(de)(de)(de)(de)(de)超(chao)(chao)高(gao)壓(ya)(ya)(ya)(ya)(ya)大(da)流(liu)(liu)量(liang)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)。 此外,電(dian)(dian)(dian)動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)體(ti)(ti)(ti)(ti)(ti)積(ji)(ji)比(bi)氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)的(de)(de)(de)(de)(de)(de)(de)體(ti)(ti)(ti)(ti)(ti)積(ji)(ji)小,氣(qi)(qi)(qi)(qi)體(ti)(ti)(ti)(ti)(ti)告訴開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)具有(you)(you)(you)結(jie)(jie)構(gou)緊(jin)湊、重量(liang)輕、動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)靈(ling)敏、流(liu)(liu)體(ti)(ti)(ti)(ti)(ti)通(tong)(tong)(tong)道呈(cheng)S流(liu)(liu)線型(xing)、壓(ya)(ya)(ya)(ya)(ya)降損失(shi)小、閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)容量(liang)大(da)、拆(chai)裝方便(bian)(bian)等(deng)優點,切(qie)(qie)斷(duan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)接(jie)受來(lai)自(zi)調節(jie)儀(yi)表的(de)(de)(de)(de)(de)(de)(de)信號(hao)(hao),切(qie)(qie)斷(duan)、開(kai)(kai)(kai)啟(qi)或改(gai)(gai)(gai)變(bian)介質流(liu)(liu)向,達到對壓(ya)(ya)(ya)(ya)(ya)力(li)(li)、流(liu)(liu)量(liang)、液位(wei)(wei)(wei)(wei)等(deng)工(gong)藝參數自(zi)動(dong)(dong)(dong)(dong)(dong)控(kong)制(zhi)(zhi),廣泛(fan)應用(yong)(yong)于石油、化工(gong)、冶金、電(dian)(dian)(dian)力(li)(li)、輕工(gong)、紡織(zhi)等(deng)各種(zhong)(zhong)(zhong)工(gong)業部門的(de)(de)(de)(de)(de)(de)(de)生(sheng)(sheng)產過程(cheng)自(zi)動(dong)(dong)(dong)(dong)(dong)控(kong)制(zhi)(zhi)和(he)運(yun)程(cheng)控(kong)制(zhi)(zhi)系統(tong)(tong)中(zhong),本系列(lie)產品有(you)(you)(you)薄(bo)膜式(shi)(shi)、活(huo)(huo)(huo)塞式(shi)(shi)兩(liang)(liang)種(zhong)(zhong)(zhong),閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)體(ti)(ti)(ti)(ti)(ti)結(jie)(jie)構(gou)有(you)(you)(you)單座、套筒、雙(shuang)座(二(er)(er)位(wei)(wei)(wei)(wei)三通(tong)(tong)(tong))三種(zhong)(zhong)(zhong),密封(feng)形(xing)式(shi)(shi)有(you)(you)(you)填料密封(feng)和(he)波紋管(guan)密封(feng)兩(liang)(liang)種(zhong)(zhong)(zhong),產品公稱(cheng)(cheng)壓(ya)(ya)(ya)(ya)(ya)力(li)(li)等(deng)級(ji)有(you)(you)(you)PN10、16、40、46四(si)種(zhong)(zhong)(zhong),公稱(cheng)(cheng)口徑范圍(wei)DN20~200mm,適用(yong)(yong)流(liu)(liu)體(ti)(ti)(ti)(ti)(ti)溫度(du)由(you)-60~450℃,泄漏量(liang)等(deng)級(ji)為IV級(ji)或VI級(ji),流(liu)(liu)量(liang)特(te)性(xing)為快(kuai)(kuai)開(kai)(kai)(kai);因而對液壓(ya)(ya)(ya)(ya)(ya)系統(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)設(she)計也(ye)提出(chu)了更高(gao)的(de)(de)(de)(de)(de)(de)(de)要求 ,采用(yong)(yong)傳統(tong)(tong)的(de)(de)(de)(de)(de)(de)(de)以(yi)(yi)完成(cheng)執(zhi)(zhi)行(xing)(xing)機(ji)(ji)構(gou)預(yu)定的(de)(de)(de)(de)(de)(de)(de)動(dong)(dong)(dong)(dong)(dong)作(zuo)(zuo)(zuo)循環和(he)滿足靜態性(xing)能要求的(de)(de)(de)(de)(de)(de)(de)系統(tong)(tong)設(she)計遠遠超(chao)(chao)出(chu)人們的(de)(de)(de)(de)(de)(de)(de)生(sheng)(sheng)活(huo)(huo)(huo)需要,氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)(dong)(dong)高(gao)速(su)開(kai)(kai)(kai)關(guan)(guan)(guan)(guan)(guan)(guan)閥(fa)(fa)(fa)(fa)(fa)(fa)(fa)(fa)再今后(hou)的(de)(de)(de)(de)(de)(de)(de)生(sheng)(sheng)活(huo)(huo)(huo)里將(jiang)給我(wo)們帶來(lai)方便(bian)(bian)和(he)便(bian)(bian)利。
三、氣動(dong)高速開關閥(fa)的分(fen)類(lei)
氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)高(gao)速開(kai)(kai)關(guan)閥(fa)(fa)(fa)(fa)它包括閥(fa)(fa)(fa)(fa)芯、閥(fa)(fa)(fa)(fa)座、端(duan)(duan)蓋、力(li)(li)矩電機(ji),其閥(fa)(fa)(fa)(fa)芯為階梯形圓(yuan)柱(zhu)體(ti),閥(fa)(fa)(fa)(fa)芯右端(duan)(duan)臺肩上開(kai)(kai)有(you)(you)兩通(tong)(tong)孔,閥(fa)(fa)(fa)(fa)座右端(duan)(duan)設有(you)(you)敏感腔,閥(fa)(fa)(fa)(fa)座軸(zhou)向中(zhong)空徑向開(kai)(kai)有(you)(you)大氣(qi)(qi)(qi)(qi)口(kou)、高(gao)壓口(kou)、負載(zai)口(kou),閥(fa)(fa)(fa)(fa)座內(nei)孔右端(duan)(duan)軸(zhou)向開(kai)(kai)有(you)(you)通(tong)(tong)道(dao),兩通(tong)(tong)孔分別與高(gao)壓口(kou)及大氣(qi)(qi)(qi)(qi)口(kou)相(xiang)通(tong)(tong),本實用(yong)(yong)新型結構簡單、流(liu)量大、無(wu)需(xu)彈簧、用(yong)(yong)于(yu)脈寬(kuan)調制(zhi)控(kong)制(zhi)時(shi)不會(hui)產生彈性(xing)元件疲勞破壞,控(kong)制(zhi)方法(fa)能(neng)夠使系統的(de)(de)(de)(de)動(dong)(dong)(dong)態特性(xing)得到改善,氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)開(kai)(kai)關(guan)閥(fa)(fa)(fa)(fa)是以氣(qi)(qi)(qi)(qi)缸為動(dong)(dong)(dong)力(li)(li)實現開(kai)(kai)關(guan)作(zuo)(zuo)用(yong)(yong),氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)式(shi)高(gao)速開(kai)(kai)關(guan)閥(fa)(fa)(fa)(fa)是由6bar壓縮空氣(qi)(qi)(qi)(qi)通(tong)(tong)過氣(qi)(qi)(qi)(qi)源處理器調節壓力(li)(li)實現扭矩控(kong)制(zhi),精度(du)達(da)(da)±5%;4位式(shi)功率(lv)管(guan)理器,扭矩跨度(du)更(geng)(geng)大,效(xiao)率(lv)更(geng)(geng)高(gao);采用(yong)(yong)高(gao)性(xing)能(neng)氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)馬達(da)(da),最大功率(lv)耗氣(qi)(qi)(qi)(qi)量600L/min; 杰(jie)出的(de)(de)(de)(de)連續運行(xing)功能(neng),能(neng)夠滿足(zu)高(gao)負荷作(zuo)(zuo)業(ye)需(xu)要;單手操作(zuo)(zuo)的(de)(de)(de)(de)正、反(fan)轉按(an)鈕,觸摸式(shi)開(kai)(kai)關(guan)閥(fa)(fa)(fa)(fa),便于(yu)使用(yong)(yong);有(you)(you)直柄(bing)和(he)彎(wan)柄(bing)兩種操作(zuo)(zuo)型式(shi),適合(he)(he)不同(tong)應(ying)用(yong)(yong)場合(he)(he);整(zheng)體(ti)反(fan)作(zuo)(zuo)用(yong)(yong)力(li)(li)臂,強度(du)高(gao)、可360°調節支撐位置,開(kai)(kai)關(guan)閥(fa)(fa)(fa)(fa)能(neng)阻止或開(kai)(kai)通(tong)(tong)雙向流(liu)通(tong)(tong)的(de)(de)(de)(de)二通(tong)(tong)閥(fa)(fa)(fa)(fa),又稱截(jie)止閥(fa)(fa)(fa)(fa)氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)高(gao)速開(kai)(kai)關(guan)閥(fa)(fa)(fa)(fa)的(de)(de)(de)(de)頻(pin)率(lv)響(xiang)應(ying)是當信號電流(liu)在(zai)(zai)二個頻(pin)率(lv)范圍內(nei)作(zuo)(zuo)正弦(xian)規律(lv)變化時(shi),控(kong)制(zhi)流(liu)量對輸入信號的(de)(de)(de)(de)復數比(bi),頻(pin)率(lv)響(xiang)應(ying)通(tong)(tong)常在(zai)(zai)輸入信號恒定(ding)和(he)負載(zai)壓降為零(ling)的(de)(de)(de)(de)條(tiao)(tiao)件下測定(ding),并表示為幅值比(bi)、相(xiang)對于(yu)位移,閥(fa)(fa)(fa)(fa)的(de)(de)(de)(de)頻(pin)率(lv)響(xiang)應(ying)可能(neng)隨著信號的(de)(de)(de)(de)幅值、溫度(du)和(he)供給壓力(li)(li)等條(tiao)(tiao)件而變化,氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)滯(zhi)后(hou)雙張多(duo) 膠印(yin)機(ji)中(zhong)存在(zai)(zai)電動(dong)(dong)(dong),機(ji)動(dong)(dong)(dong),氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)等控(kong)制(zhi)的(de)(de)(de)(de)動(dong)(dong)(dong)作(zuo)(zuo),這(zhe)些動(dong)(dong)(dong)作(zuo)(zuo)中(zhong),電動(dong)(dong)(dong)反(fan)應(ying)最快,氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)最慢(man)而機(ji)動(dong)(dong)(dong)則具有(you)(you)周(zhou)期性(xing),氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)動(dong)(dong)(dong)作(zuo)(zuo)由于(yu)是靠單位時(shi)間抽(chou)氣(qi)(qi)(qi)(qi)量來控(kong)制(zhi)的(de)(de)(de)(de),它無(wu)法(fa)與電動(dong)(dong)(dong) 機(ji)動(dong)(dong)(dong)的(de)(de)(de)(de)速度(du)相(xiang)提(ti)并論,在(zai)(zai)低速時(shi)配(pei)合(he)(he)會(hui)很(hen)好(hao)但在(zai)(zai)高(gao)速時(shi),氣(qi)(qi)(qi)(qi)動(dong)(dong)(dong)動(dong)(dong)(dong)作(zuo)(zuo)相(xiang)對機(ji)動(dong)(dong)(dong)動(dong)(dong)(dong)作(zuo)(zuo)可能(neng)呈滯(zhi)后(hou)狀(zhuang)態。