張家界市批發(fā)韓國Autovalve閥門AD250-800HBF-S/V-L/S中山立訊電氣有限公司直銷中山立訊電氣有限公司銷售韓國DONGYANG F&C 氫氧化鈉自動(dòng)閥
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DONGYANG F&C 氫氧化鈉自動(dòng)閥
BCS-1000S BCS-1100S BCS-1200S BCS-1300S BCS-1400S BCS-1500S
BCS-2000S BCS-2100S BCS-2200S BCS-2300S BCS-2400S BCS-2500S
BCS-3000S BCS-3100S BCS-3200S BCS-3300S BCS-3400S BCS-3500S
BCS-1010S BCS-1110S BCS-1210S BCS-1310S BCS-1410S BCS-1510S
BCS-2010S BCS-2110S BCS-2210S BCS-2310S BCS-2410S BCS-2510S
BCS-3010S BCS-3110S BCS-3210S BCS-3310S BCS-3410S BCS-3510S
BCS-1020S BCS-1120S BCS-1220S BCS-1320S BCS-1420S BCS-1520S
BCS-2020S BCS-2120S BCS-2220S BCS-2320S BCS-2420S BCS-2520S
BCS-3020S BCS-3120S BCS-3220S BCS-3320S BCS-3420S BCS-3520S
BCS-1001S BCS-1101S BCS-1201S BCS-1301S BCS-1401S BCS-1501S
不但有瞬時(shí)流量,而且有累計(jì)流量;各參數(shù)不但有棒圖指示,而且有歷史曲線顯示,各項(xiàng)參數(shù)一目了然。●針對天然氣的特點(diǎn),我們在記錄儀內(nèi)集成了其流量累積計(jì)算算法,其溫度、壓力補(bǔ)償計(jì)算公式如下:●后方作為數(shù)據(jù)服務(wù)器的計(jì)算機(jī)通過無線方式接收數(shù)據(jù)后,不但本機(jī)可以顯示、進(jìn)行數(shù)據(jù)處理和報(bào)表打印,而且可通過網(wǎng)絡(luò)達(dá)到數(shù)據(jù)共享。●雙重記錄功能。無紙記錄儀和后方計(jì)算機(jī)同時(shí)記錄,互為冗余,可較好的防止數(shù)據(jù)丟失,即使計(jì)算機(jī)中的數(shù)據(jù)由于各種原因丟失,可方便的從記錄儀中取回歷史數(shù)據(jù)。●本系統(tǒng)現(xiàn)場部分采用無紙記錄儀,集采集、控制、記錄、顯示于一體,結(jié)構(gòu)簡單,功能強(qiáng)大。●配備了配套的計(jì)算機(jī)管理軟件,用戶可根據(jù)需要,十分方便的組態(tài)自己所需的畫面及處理數(shù)據(jù)。各種信號(hào)可直接輸入,記錄儀內(nèi)部可自動(dòng)識(shí)別,且可以為一次儀表提供全隔離配電,使用、維護(hù)非常方便;第三方面,精度非常高,可達(dá)到千分之一的精度;第四,高性價(jià)比。不但能顯示、記錄,而且具有調(diào)節(jié)、報(bào)警輸出功能,特別適于高度分散,既需顯示,又需控制的油田現(xiàn)場;第五,其內(nèi)部固化了常規(guī)控制算法、常用介質(zhì)溫壓補(bǔ)償、流量累計(jì)等功能塊;第六,它具有通訊和聯(lián)網(wǎng)功能,記錄儀上可配有兩個(gè)RS-485接口和一個(gè)RS-232接口,使用它們可方便的組成網(wǎng)絡(luò),另外,體積小、容量大。多可達(dá)8個(gè)輸入通道,也可構(gòu)成8路PID,同時(shí)可有12個(gè)開關(guān)量輸出。在本應(yīng)用案例中,該系統(tǒng)主要用于采油站、聯(lián)合站對每口井以及各個(gè)區(qū)域采油、氣量的實(shí)時(shí)顯示、記錄。保護(hù)參數(shù)和歷史數(shù)據(jù),斷電后數(shù)據(jù)可保存。采用硬件時(shí)鐘,掉電后也能準(zhǔn)確運(yùn)行◇電源開關(guān)電源85VAC~265VAC、50Hz±5%或DC24V±2V◇環(huán)境溫度0~50℃◇環(huán)境濕度0~85%RH使用編輯本節(jié)介紹一個(gè)簡單的虛擬儀器——可以在多個(gè)實(shí)驗(yàn)中采集數(shù)據(jù)的無紙記錄儀的基本組成和使用。無紙記錄儀的信號(hào)接入有兩種方式:放大器編輯其結(jié)構(gòu)簡單,造價(jià)不高,在實(shí)驗(yàn)中具有一定的通用性,可以與多種儀器配接,適用于作為學(xué)生實(shí)驗(yàn)的數(shù)據(jù)采集。數(shù)據(jù)采集的準(zhǔn)確性主要取決于放大器的性能,II放大器放大誤差<±1%,已能滿足實(shí)驗(yàn)與一般的應(yīng)用研究需要。串口方式編輯用于具有串口輸出的儀器。由于不同儀器串口參數(shù)設(shè)置有所不同,使用時(shí)需要根據(jù)儀器使用說明進(jìn)行設(shè)置。
BCS-2001S BCS-2101S BCS-2201S BCS-2301S BCS-2401S BCS-2501S
BCS-3001S BCS-3101S BCS-3201S BCS-3301S BCS-3401S BCS-3501S
BCS-1011S BCS-1111S BCS-1211S BCS-1311S BCS-1411S BCS-1511S
BCS-2011S BCS-2111S BCS-2211S BCS-2311S BCS-2411S BCS-2511S
BCS-3011S BCS-3110S BCS-3211S BCS-3311S BCS-3411S BCS-3511S
BCS-1021S BCS-1121S BCS-1221S BCS-1321S BCS-1421S BCS-1521S
BCS-2021S BCS-2121S BCS-2221S BCS-2321S BCS-2421S BCS-2521S
BCS-3021S BCS-3121S BCS-3221S BCS-3321S BCS-3421S BCS-3521S
與設(shè)定值進(jìn)行比較,然后去控制逆變器,改變其脈寬或脈頻,使輸出穩(wěn)定,另一方面,根據(jù)測試電路提供的數(shù)據(jù),經(jīng)保護(hù)電路鑒別,提供控制電路對電源進(jìn)行各種保護(hù)措施。檢測電路提供保護(hù)電路中正在運(yùn)行中各種參數(shù)和各種儀表數(shù)據(jù)。輔助電源實(shí)現(xiàn)電源的軟件(遠(yuǎn)程)啟動(dòng),為保護(hù)電路和控制電路(PWM等芯片)工作供電。主要分類編輯人們在開關(guān)電源技術(shù)領(lǐng)域是邊開發(fā)相關(guān)電力電子器件,320W單組開關(guān)電源320W單組開關(guān)電源邊開發(fā)開關(guān)變頻技術(shù),兩者相互促進(jìn)推動(dòng)著開關(guān)電源每年以超過兩位數(shù)字的增長率向著輕、小、薄、低噪聲、高可靠、抗干擾的方向發(fā)展。開關(guān)電源可分為AC/DC和DC/DC兩大類。微型低功率開關(guān)電源開關(guān)電源正在走向大眾化。
BCS-1002S BCS-1102S BCS-1202S BCS-1302S BCS-1402S BCS-1502S
BCS-2002S BCS-2102S BCS-2202S BCS-2302S BCS-2402S BCS-2502S
BCS-3002S BCS-3102S BCS-3202S BCS-3302S BCS-3402S BCS-3502S
BCS-1012S BCS-1112S BCS-1212S BCS-1312S BCS-1412S BCS-1512S
BCS-2012S BCS-2112S BCS-2212S BCS-2312S BCS-2412S BCS-2512S
BCS-3012S BCS-3110S BCS-3212S BCS-3312S BCS-3412S BCS-3512S
BCS-1022S BCS-1122S BCS-1222S BCS-1322S BCS-1422S BCS-1522S
BCS-2022S BCS-2122S BCS-2222S BCS-2322S BCS-2422S BCS-2522S
BCS-3022S BCS-3122S BCS-3222S BCS-3322S BCS-3422S BCS-3522S
BCS-1003S BCS-1103S BCS-1203S BCS-1303S BCS-1403S BCS-1503S
BCS-2003S BCS-2103S BCS-2203S BCS-2303S BCS-2403S BCS-2503S
BCS-3003S BCS-3103S BCS-3203S BCS-3303S BCS-3403S BCS-3503S
t為熱穩(wěn)定電流時(shí)間。額定容量電流互感器二次額定容量要大于實(shí)際二次負(fù)載,實(shí)際二次負(fù)載應(yīng)為25~二次額定容量。容量決定二次側(cè)負(fù)載阻抗,負(fù)載阻抗又影響測量或控制精度。負(fù)載阻抗主要受測量儀表和繼電器線圈電阻、電抗及接線接觸電阻、二次連接導(dǎo)線電阻的影響。使用注意事項(xiàng)編輯使用原則1)電流互感器的接線應(yīng)遵守串聯(lián)原則[8]:即一次繞阻應(yīng)與被測電路串聯(lián),而二次繞阻則與所有儀表負(fù)載電流互感器電流互感器串聯(lián)2)按被測電流大小,選擇合適的變比,否則誤差將增大。同時(shí),二次側(cè)一端必須接地,以防絕緣一旦損壞時(shí),一次側(cè)高壓竄入二次低壓側(cè),造成人身和設(shè)備事故3)二次側(cè)不允許開路,因一旦開路,一次側(cè)電流I1全部成為磁化電流,引起φm和E2驟增。
BCS-1013S BCS-1113S BCS-1213S BCS-1313S BCS-1413S BCS-1513S
BCS-2013S BCS-2113S BCS-2213S BCS-2313S BCS-2413S BCS-2513S
BCS-3013S BCS-3110S BCS-3213S BCS-3313S BCS-3413S BCS-3513S
BCS-1023S BCS-1123S BCS-1223S BCS-1323S BCS-1423S BCS-1523S
當(dāng)線圈通以交流電流時(shí),在感應(yīng)元件的電磁鐵中,由于短路環(huán)的移相作用,產(chǎn)生兩個(gè)相位不同的磁通,此磁通與其在鋁盤中感應(yīng)的渦流相互作用,產(chǎn)生電磁力知使鋁盤旋轉(zhuǎn),當(dāng)電流增大到整定電流時(shí),電磁力矩大于彈簧的反作用力矩,鋁支架轉(zhuǎn)動(dòng),扇齒與蝸桿咬合,并隨著蝸桿旋轉(zhuǎn)而上升,其頂桿推動(dòng)電磁元件的動(dòng)鐵,當(dāng)動(dòng)鐵與電磁鐵之間的氣隙減小到一定程度時(shí),動(dòng)鐵被吸合,動(dòng)鐵尾部的頂板推動(dòng)接點(diǎn)閉合,并推下信號(hào)牌,顯示繼電器過電流狀態(tài)。設(shè)備介紹編輯原理電磁式過流繼電器的工作原理是復(fù)合式的,由公用一個(gè)線圈的感應(yīng)式和電磁式的兩個(gè)元件組成。當(dāng)繼電器的線圈通以交流電流時(shí),則在鐵芯的遮蔽與未遮蔽部分產(chǎn)生兩個(gè)具有一定相位差的磁通。此磁通與其在圓盤中感應(yīng)的渦流相互作用。
BCS-2023S BCS-2123S BCS-2223S BCS-2323S BCS-2423S BCS-2523S
BCS-3023S BCS-3123S BCS-3223S BCS-3323S BCS-3423S BCS-3523S
BCS-1004S BCS-1104S BCS-1204S BCS-1304S BCS-1404S BCS-1504S
BCS-2004S BCS-2104S BCS-2204S BCS-2304S BCS-2404S BCS-2504S
BCS-3004S BCS-3104S BCS-3204S BCS-3304S BCS-3404S BCS-3504S
BCS-1014S BCS-1114S BCS-1214S BCS-1314S BCS-1414S BCS-1514S
BCS-2014S BCS-2114S BCS-2214S BCS-2314S BCS-2414S BCS-2514S
BCS-3014S BCS-3110S BCS-3214S BCS-3314S BCS-3414S BCS-3514S
BCS-1024S BCS-1124S BCS-1224S BCS-1324S BCS-1424S BCS-1524S
BCS-2024S BCS-2124S BCS-2224S BCS-2324S BCS-2424S BCS-2524S
BCS-3024S BCS-3124S BCS-3224S BCS-3324S BCS-3424S BCS-3524S
無紙記錄儀和無線通訊技術(shù)的有機(jī)結(jié)合,有效的解決了油田地域十分分散,而又急需解決數(shù)據(jù)遠(yuǎn)傳和自動(dòng)控制問題。本文向你介紹彩色無紙記錄儀在國內(nèi)某大型油田采油集、輸系統(tǒng)中的應(yīng)用一例?,F(xiàn)場情況編輯油田油井十分分散,往往離采油廠幾公里甚至幾十公里,因此,輸送原油及天然氣的管線遍布油區(qū)各地,要想實(shí)時(shí)獲得每口井以及各個(gè)區(qū)域的采油/氣量十分困難,多年來,各大油田的采油站、聯(lián)合站、運(yùn)銷處等大都采用各采油站填寫報(bào)表的形式統(tǒng)計(jì)每天每口井以及各個(gè)區(qū)域的采油/氣量,然后通過累加的方式獲得月產(chǎn)量,這樣的方法不但要花費(fèi)大量的人力和物力,很易出錯(cuò),而且在時(shí)間上也嚴(yán)重滯后,采油廠、油田很難動(dòng)態(tài)掌握每口井甚至每個(gè)區(qū)域的采油情況,對突發(fā)事件難以做出迅速反應(yīng)。對于熱電偶及熱電阻信號(hào)顯示范圍就是其測量范圍。8.輸入信號(hào)種類及測量范圍:各種熱電偶、熱電阻、標(biāo)準(zhǔn)電壓及電流信號(hào),由鍵盤設(shè)定選擇。信號(hào)種類量程代碼測量范圍電流mA010~10mAmA024~20mAmA開方034~20mA開方電壓mV110~20mVmV120~50mVmV130~100mVV140~5VV151~5VV開方161~5V開方熱電阻Pt10021-50.0~550.0°CCu10022-50.0~150.0°CCu5023-50.0~150.0°C遠(yuǎn)傳壓力電阻240~400Ω熱電偶T310.0~400.0°CE320~1000°CK330~1300°CS340~1750°CB35500~1800°C關(guān)閉通道00該通道關(guān)閉9.走紙速度:通過鍵盤任意設(shè)定。