TVM2.4-050-220通過上述分析，我們認為：要根治該現(xiàn)象，必須將控制318VAC信號通斷的KL2702模塊更掉；同時在控制線路中增加保護裝置。
3改造方案制定及實施
遵循上述思路，為降低維修成本，我們選用臺達公司PLC系統(tǒng)來替換德國倍福公司PLC系統(tǒng)，制定了以下措施：
(1)用臺達公司DVP14SS211R替換德國倍福公司BK3100模塊；用臺達公司DVP08SN11R 8通道繼電器輸出模塊替換德國倍福公司KL2702模塊；用臺達公司DVP04AD-S模擬量輸入模塊替換德國倍福公司KL9150模塊；
(2)TVM2.4-050-220采用線圈電壓24VDC的外接觸點型繼電器來配合臺達公司DVP08SN11N模塊實現(xiàn)對318VAC信號頻繁通斷的控制；
(3)在電氣線路中設(shè)置0.25A保險來保護鎮(zhèn)流器。
通過采用臺達公司PLC系統(tǒng)及加裝外部觸點型繼電器和設(shè)置保險等手段，我們完成了對老煉機電氣部分的國產(chǎn)化改造。
改造后原理圖如圖2所示。
2.jpg
圖2 老練機燈管檢測電路改造后原理圖
TVM2.4-050-220我們用一周的時間完成了對老練機的改造，經(jīng)過一年來的生產(chǎn)檢驗，老練機沒有再出現(xiàn)模塊燒壞和鎮(zhèn)流器燒壞現(xiàn)象，運行穩(wěn)定可靠，維護簡便，維修容易，維修成本極低，且從根本上杜絕了模塊和鎮(zhèn)流器的消耗問題。改造方案取得了良好效果，大大減少了停機時間，開機率大幅度的提高，節(jié)約了備品備件，為節(jié)能燈全自動化的生產(chǎn)線的連續(xù)化大生產(chǎn)打下了堅實基礎(chǔ)。
4經(jīng)濟、社會效益分析
(1)經(jīng)濟效益分析
TVM2.4-050-220改造所需費用：DVP14SS211R模塊470元，DVPPF01-S模塊950元，DVP08SN11N模塊180元?4，DVP08SN11R模塊240元?5，DVP04AD-S模塊570元?2， 合計4480元.
按德國倍福KL2702模塊1650元/個、每月按損壞4個計算，每年損壞48個，共計消耗資金1650?48=79200元/年；進口鎮(zhèn)流器400元/個， 每月按損壞3個計算，每年損壞36個，共計消耗400?36=14400元/年。
生產(chǎn)線共有兩臺老煉機，僅進口KL2702模塊和進口鎮(zhèn)流器消耗一項，每年就可節(jié)約資金79200?2 14400?2=111600元。
TVM2.4-050-220從上述分析可以看出，利用4480元的一次性微小投入，換來每年111600元的費用節(jié)約，經(jīng)濟效益是非?？捎^的。
(2)社會效益分析
本次改造是我公司利用現(xiàn)有技術(shù)人員對進口設(shè)備進行的又一次國產(chǎn)化改造，它不但解決了節(jié)能燈生產(chǎn)線老煉機電氣部分模塊及鎮(zhèn)流器容易損壞的問題，而且改造實施后，大大減少了老煉機的故障率，有效提高了開機時間，并且從一定程度上預防了含汞燈管破碎，TVM2.4-050-220從而降低了空氣中汞蒸汽含量對環(huán)境的污染，保護了社會環(huán)境和員工的身體健康。
從上述分析可以看出，對老煉機電氣部分的國產(chǎn)化改造是我們完全依靠自身力量對進口機設(shè)備的一次革新改造，它的改造成功不但克服了進口設(shè)備的設(shè)計缺陷，而且為我們帶來了極大的經(jīng)濟與社會效益。
----商務熱線---廈門興銳達自動化設(shè)備有限公司
聯(lián)系人：王文光
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電話：0592-5580707 400-855-5103轉(zhuǎn)001
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網(wǎng)址：http://www.xmxrdauto.com
TVM2.4-050-220
TVM2.1-50-220-300-W1
TVM2.1-50-W1-220V
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TVM2.4-50-200/300-W1-115/220
TVM2.4-050-220-300-W1-220-380
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TVM1.2-50W0-115V
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TVM1.2-30-300-W0
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TVM1.2-50-220/300-W1-220/380
TVM1.2-50-200/300-W1
TVM2.4-050-220/300-W1/115/220
TVM2.1-50-W1-115V
TVM2.4-050-220/300-W1/220/380
TVM1.2-50E0-220V
TVM2.2-050-220/300-W1/220/380
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YASKAWA JUSP-ACP05KAA
Yaskawa SGM-01BW12
Yaskawa CIMR-G5V20P4 0.75HP VariSpeed 616G5 CIMRG5V20P4
Yaskawa JANCD-GIO01 Circuit
Yaskawa JZNCRK41 JZNC-RK41
Yaskawa JANCD-BB03
