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SMC高壓電氣比例閥ITVX系列技術參數

簡要(yao)描述：SMC高壓電氣比例閥ITVX系列技術參數
SMC高壓電氣(qi)比例閥的(de)功(gong)能分為信號傳(chuan)遞和執行(xing)機(ji)構兩部分，壓縮氣(qi)體(ti)克服(fu)彈簧力使活(huo)塞向(xiang)下運動可看(kan)作是(shi)信號積累傳(chuan)遞階段(duan)，活(huo)塞向(xiang)下運動打開卸(xie)荷(he)接口(kou)可看(kan)作是(shi)執行(xing)階段(duan)。根據以上思(si)路(lu)，可將改造方(fang)案定為信號取樣、接收放大、執行(xing)元件(jian)三部分組成(cheng)。

• 產品型號：ITVX2030-043BL
• 廠商性質：代理商
• 更(geng)新(xin)時間(jian)：2020-08-12
• 訪  問  量(liang)：1201

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SMC高壓電氣比例閥ITVX系列技術參數

SMC高壓電氣比例閥結構伺服閥的主閥一般來說和換向閥一樣是滑閥結構，只不過閥芯的換向不是靠電磁鐵來推動，而是靠前置級閥輸出的液壓力來推動，這一點和電液換向閥比較相似，只不過電液換向閥的前置級閥是電磁換向閥，而比例閥的前置級閥是動態特性比較好的噴嘴擋板閥或射流管閥。也就是說，比例閥的主閥是靠前置級閥的輸出壓力來控制的，而前置級閥的壓力則來自于伺服閥的入口p，假如p口的壓力不足，前置級閥就不能輸出足夠的壓力來推動主閥芯動作。所以比例閥的閥口做得偏小，即使在閥口全開的情況下，也要有一定的壓力損失，來維持前置級閥的正常工作。
SMC高壓(ya)(ya)(ya)(ya)電(dian)(dian)(dian)氣比例閥的(de)功能分(fen)為(wei)信(xin)(xin)(xin)號(hao)(hao)傳(chuan)(chuan)(chuan)遞(di)和執(zhi)行(xing)機構(gou)兩部分(fen)，壓(ya)(ya)(ya)(ya)縮氣體克服(fu)彈簧(huang)力使活(huo)塞向下運動可看作是信(xin)(xin)(xin)號(hao)(hao)積累(lei)傳(chuan)(chuan)(chuan)遞(di)階(jie)段(duan)(duan)，活(huo)塞向下運動打(da)開(kai)(kai)卸(xie)荷接(jie)(jie)口可看作是執(zhi)行(xing)階(jie)段(duan)(duan)。根(gen)據以上思路，可將(jiang)改(gai)造方案(an)定為(wei)信(xin)(xin)(xin)號(hao)(hao)取(qu)樣(yang)、接(jie)(jie)收(shou)放(fang)大、執(zhi)行(xing)元(yuan)件(jian)(jian)三(san)(san)部分(fen)組成。為(wei)此，信(xin)(xin)(xin)號(hao)(hao)取(qu)樣(yang)部分(fen)選用(yong)(yong)(yong)YX100型(xing)(xing)電(dian)(dian)(dian)接(jie)(jie)點(dian)(dian)壓(ya)(ya)(ya)(ya)力表（壓(ya)(ya)(ya)(ya)力0～1MPa，線(xian)圈(quan)電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)為(wei)交(jiao)流220V ），用(yong)(yong)(yong)這種表的(de)常(chang)開(kai)(kai)觸點(dian)(dian)采(cai)取(qu)卸(xie)荷信(xin)(xin)(xin)號(hao)(hao)，用(yong)(yong)(yong)常(chang)閉觸點(dian)(dian)采(cai)取(qu)加載信(xin)(xin)(xin)號(hao)(hao)，同時將(jiang)信(xin)(xin)(xin)號(hao)(hao)傳(chuan)(chuan)(chuan)遞(di)給接(jie)(jie)收(shou)放(fang)大部分(fen)，信(xin)(xin)(xin)號(hao)(hao)接(jie)(jie)收(shou)放(fang)大部分(fen)選用(yong)(yong)(yong)JZ7- 44型(xing)(xing)中(zhong)間繼電(dian)(dian)(dian)器(qi)（線(xian)圈(quan)電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)為(wei)交(jiao)流220V），用(yong)(yong)(yong)來(lai)接(jie)(jie)收(shou)電(dian)(dian)(dian)接(jie)(jie)點(dian)(dian)壓(ya)(ya)(ya)(ya)力表傳(chuan)(chuan)(chuan)來(lai)的(de)電(dian)(dian)(dian)信(xin)(xin)(xin)號(hao)(hao)并(bing)將(jiang)信(xin)(xin)(xin)號(hao)(hao)放(fang)大后傳(chuan)(chuan)(chuan)遞(di)給執(zhi)行(xing)元(yuan)件(jian)(jian)，執(zhi)行(xing)元(yuan)件(jian)(jian)選用(yong)(yong)(yong)23JVD一(yi)L3一(yi)X1型(xing)(xing)二位(wei)三(san)(san)通單電(dian)(dian)(dian)控常(chang)閉截(jie)止式電(dian)(dian)(dian)磁(ci)閥（線(xian)圈(quan)電(dian)(dian)(dian)壓(ya)(ya)(ya)(ya)為(wei)交(jiao)流220V），用(yong)(yong)(yong)來(lai)接(jie)(jie)收(shou)中(zhong)間繼電(dian)(dian)(dian)器(qi)傳(chuan)(chuan)(chuan)來(lai)的(de)電(dian)(dian)(dian)信(xin)(xin)(xin)號(hao)(hao)并(bing)開(kai)(kai)啟(qi)截(jie)止閥，將(jiang)壓(ya)(ya)(ya)(ya)縮空(kong)氣送至卸(xie)荷器(qi)。

SMC高壓電氣(qi)(qi)比(bi)例(li)閥不工作(zuo)時，差徑活塞2在(zai)彈簧(huang)3的(de)(de)作(zuo)用下處(chu)于(yu)上(shang)極限位(wei)置。SMC比(bi)例(li)閥和其它器(qi)件技術進步(bu)使工程車輛擋(dang)位(wei)、轉向(xiang)、制動(dong)和工作(zuo)裝置等各(ge)種系(xi)統電氣(qi)(qi)控制成為現實。SMC比(bi)例(li)閥在(zai)現代化工廠的(de)(de)自動(dong)控制中(zhong)起(qi)著十(shi)分重要(yao)的(de)(de)作(zuo)用，這些工廠的(de)(de)生產取決于(yu)流動(dong)著的(de)(de)液體和氣(qi)(qi)體的(de)(de)正確分配和控制。

SMC高(gao)(gao)壓(ya)(ya)(ya)(ya)電氣比例閥在系統(tong)中起安(an)全保護作(zuo)用(yong)。當(dang)系統(tong)壓(ya)(ya)(ya)(ya)力超(chao)過(guo)規定值(zhi)(zhi)時(shi)，壓(ya)(ya)(ya)(ya)力控(kong)制(zhi)閥打開，將系統(tong)中的(de)一部分(fen)氣體排入大氣，使系統(tong)壓(ya)(ya)(ya)(ya)力不(bu)超(chao)過(guo)允(yun)許值(zhi)(zhi)，從而保證系統(tong)不(bu)因壓(ya)(ya)(ya)(ya)力過(guo)高(gao)(gao)而發生(sheng)事故(gu)。壓(ya)(ya)(ya)(ya)力控(kong)制(zhi)閥又(you)稱溢流閥。氣源壓(ya)(ya)(ya)(ya)力作(zuo)用(yong)在活塞A上(shang)，當(dang)壓(ya)(ya)(ya)(ya)力超(chao)過(guo)由彈簧力確(que)定的(de)安(an)全值(zhi)(zhi)時(shi)，活塞A被頂開，一部分(fen)壓(ya)(ya)(ya)(ya)縮空(kong)氣即(ji)從閥口(kou)排入大氣；當(dang)氣源壓(ya)(ya)(ya)(ya)力低于(yu)安(an)全值(zhi)(zhi)時(shi)，彈簧驅動活塞下(xia)移，關閉閥口(kou)。

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