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href="http://www.cdcfah.com/zh/"><span>展會信息</span></a></li></ul></div></nav><section class="wrap clearfix"><section class="container clearfix tcPro"><section class="home-main container clearfix"><div id="8p8jqu8" class="twoCol"><div id="am9vhra" class="page-proshow clearfix"><p class="current"> 當(dāng)前位置:<a href="http://www.cdcfah.com/">首頁?<a href="http://www.cdcfah.com/cp/">產(chǎn)品供應(yīng)</a>?<a href="http://www.cdcfah.com/cp/first-_yyby/">醫(yī)藥健康</a>?<a href="http://www.cdcfah.com/cp/second-yyby_ylsb/">醫(yī)療設(shè)備</a>?<a href="http://www.cdcfah.com/cp/third-ylsb_qtflpd/">其它未分類</a>?甘肅smith nephew460P攝像機屏蔽線更換或修復(fù) 歡迎來電成都鐳伙醫(yī)修平臺供應(yīng)</p><div id="apedxvr" class="leftbox clearfix"><h1>甘肅smith nephew460P攝像機屏蔽線更換或修復(fù) 歡迎來電成都鐳伙醫(yī)修平臺供應(yīng)</h1><div id="xbqh2nz" class="proBig"><div id="lfmthta" class="bigimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/leihuo/637330153433476562/3967434.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div><div id="3qegiul" class="smallimg"><div><p class="pic"><img src="https://tyunfile.71360.com/WaterMark/UploadFile/leihuo/637330153433476562/3967434.png" class="vcenter" onerror="javascript:this.src='/static/new_net_01/images/nopic.jpg';"></p></div></div></div><div id="lkw3ral" class="content"><p><span>需求數(shù)量：</span>0</p><p><span>價格要求：</span>面議</p><p><span>所在地：</span>四川省</p><p><span>包裝要求：</span><span style="color: #f30;"></span></p><p><span>產(chǎn)品關(guān)鍵詞：</span>甘肅smith nephew460P攝像機屏蔽線更換或修復(fù),460P</p><p><span>***更新：</span>2021-01-12 07:09:12</p><p><span id="click" >瀏覽次數(shù)：2次</span></p><a rel="nofollow" class="button">聯(lián)系我們</a></div></div><div id="dxu7txt" class="rightbox"><h3>公司基本資料信息</h3><p style="border:0;"><a rel="nofollow">成都鐳伙科技有限公司</a></p><p><span>聯(lián)系人：</span>邱鋒</p><p><span>郵箱: </span>cdleihuokeji@163.com</p><p><span>電話: </span>13982269628</p><p><span>傳真: </span>028_</p><p><span>網(wǎng)址: </span></p><p><span>手機: </span>028-8444323</p><p><span>地址: </span>新都區(qū)踏水路創(chuàng)想大廈2單元2606</p><p>[當(dāng)前離線] <a rel="nofollow"> [加為商友] </a><a rel="nofollow"> [發(fā)送信件] </a></p></div></div><div id="7tprdp8" class="page-proshow02"><p class="title">詳細(xì)說明</p><div id="vevhtkw" class="box"><p><p> 致使過載指示燈點亮，同時mAs控制板PB-4上的發(fā)光管ED1點亮，曝光被切斷。(3)OHT信號：OHT是從mA控制板PB-6上來的燈絲加熱保護(hù)信號，如果燈絲加熱電路出現(xiàn)過電流或過電壓時，在OHT點輸出保護(hù)信號，當(dāng)FVC點的電壓超過規(guī)定的電壓，小焦點透明時達(dá)到60V，大焦點透明時達(dá)到85V，將會擊穿穩(wěn)壓管D7或D8，使Q2導(dǎo)通，發(fā)光管D3-01點亮，OHT輸出一低電平信號，過載指示燈點亮。另外，當(dāng)通過FVC點的電流，即燈絲加熱電流超過額定電流時，光耦PC2工作，D3-01也會點亮，OHT輸出一低電平信號，過載指示燈點亮，燈絲加熱被停止。3故障的判斷根據(jù)上述的分析，通過觀察那一塊板上的發(fā)光管與過載指示燈同時點亮，即可判斷出．是哪一路引起過載的，甘肅smith nephew460P攝像機屏蔽線更換或修復(fù)。經(jīng)查D3-01，已經(jīng)點亮，說明是燈絲加熱電路出了問題。拆下保險絲F1，空載試驗，結(jié)果仍然產(chǎn)生過載指示，說明是過電壓了，用萬用表測量FVC點的電壓，發(fā)現(xiàn)此點電壓不穩(wěn)，當(dāng)發(fā)生過載指示時，萬用表指針有上沖現(xiàn)象，說明FVC點的電壓超出了正常范圍。造成這種現(xiàn)象的原因，主要是光耦PC1-01和晶體Q3性能不良。首先須考慮Q3，測量其是否完好，如完好則考慮光耦PC1-01性能不良，甘肅smith nephew460P攝像機屏蔽線更換或修復(fù)，甘肅smith nephew460P攝像機屏蔽線更換或修復(fù)。大多數(shù)情況是由此PC1-01引起。一般情況下更換此件，開機再試，故障即可解決。隨看機器長時間運行,很容易導(dǎo)致內(nèi)部溫度升高，加速電子元器件的老化，各類故障現(xiàn)象隨之而來。甘肅smith nephew460P攝像機屏蔽線更換或修復(fù)</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅smith nephew460P攝像機屏蔽線更換或修復(fù),460P" src="https://tyunfile.71360.com/WaterMark/UploadFile/leihuo/637330153433476562/3967434.png"></div><p> CT設(shè)備里的高壓裝置要求在掃描工作中準(zhǔn)確發(fā)射標(biāo)準(zhǔn)的X線劑量(包括精確的高壓KV和電流mA)，此量是一恒定值，這樣才能正確反映出X線穿過人體各部分的μ值，通過計算機對數(shù)據(jù)的處理，保證圖像的質(zhì)量和精度。高壓裝置主要由高壓控制柜，高壓發(fā)生器，X線球管(包括冷卻系統(tǒng))及有關(guān)控制電路組成。這里分析探討日本島津公司SCT-3000TX高壓故障1例。1故障的現(xiàn)象當(dāng)機器啟動后球管開始老化，按壓開始鍵后機器不工作，不進(jìn)行每日的老化工作，觀察發(fā)現(xiàn)盤驅(qū)動線路板[CHARGE]燈不亮(充電指示燈)，高壓控制-70線路板(KVCONT-70)D66紅燈亮(DRB)(driverBreak)(故障燈亮)，relaydriverCT線路板D13紅燈亮(故障燈亮)，三處都指示高壓系統(tǒng)的充電裝置有問題及故障。2故障的檢測首先檢測動力供電輸入380V三相電源平衡而準(zhǔn)確，在檢測經(jīng)過可控硅整流后直流電560V左右正確，然后檢測通過可控硅控制(DR)輸出端無電壓輸出，因此電容沒有充電工作。3故障的分析由于SCRDRIVER-70線路板中的M2損壞，Gl-R、Kl-R無信號輸出，使DR可控硅沒有觸發(fā)信號不工作，造成并聯(lián)在可控硅(DR)兩端的電阻RS-1(8Ω/300W)有一個電壓差VR+、VR-，這個電壓經(jīng)過SCR-DRIVER70線路板中電路加工產(chǎn)生一個RV故障信號。甘肅smith nephew460P攝像機屏蔽線更換或修復(fù)考慮后端風(fēng)扇處的溫度監(jiān)測由兩個熱敏二極管完成，拆機査看，果然發(fā)現(xiàn)左端線路。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅smith nephew460P攝像機屏蔽線更換或修復(fù),460P" src="https://tyunfile.71360.com/WaterMark/UploadFile/leihuo/637330153403925781/39762.png"></div><p> 固定好高壓變壓器四周和窗口的螺栓靜置24小時后通電做攝片操作，故障消失。此故障為雙床雙管X射線機典型故障，原因是由于高壓交換閘頻繁動作造成的。保險絲KRDl損壞可能是脫落線頭在切換高壓交換閘時碰上其他接線柱短路所致。以上維修工作應(yīng)在天氣晴好、空氣濕度較小情況下進(jìn)行；有條件的更應(yīng)請廠方進(jìn)行專業(yè)維修，以確保設(shè)備的安全。實例4：平床球管攝影時不曝光，但電動診視床點片攝影工作正常。據(jù)線路圖分析，此故障應(yīng)在乎床球管攝影控制部分，與公共部分無關(guān)?，F(xiàn)場試機發(fā)現(xiàn)當(dāng)曝光手閘按至預(yù)備位置時，走床球管卻聽不到旋轉(zhuǎn)陽極轉(zhuǎn)動的聲音，因此判定故障在乎床球管的旋轉(zhuǎn)陽極控制電路部分。關(guān)機后用萬用表分別測量旋轉(zhuǎn)陽極的啟動繞組1QQ、運轉(zhuǎn)繞組1YQ的電阻值，均在正常范圍內(nèi)；電壓繼電器YJ線圈、電流繼電器U線圈的電阻值也都為正常值。再次通電試機發(fā)現(xiàn)電壓繼電器YJ卻不工作。根據(jù)線路圖仔細(xì)檢查后發(fā)現(xiàn)：023號線與297(a)號線之間的電阻值為無窮大。沿線仔細(xì)查找發(fā)現(xiàn)297(a)號線在高壓變壓器端已經(jīng)脫落重新接好后試機，旋轉(zhuǎn)陽極運轉(zhuǎn)恢復(fù)正常。重新安裝好其他線路后試機故障消失。</p><p> 故障檢修：觀察電源板發(fā)光二極管V6不亮，判斷是V3缺少+15V電壓，測量DZl-3與DZl-4之間有18VAC，但硅橋V4無輸入電壓，查看熔斷器F2已熔斷。更換新的熔斷器后再次熔斷，斷定硅橋已擊穿。更換新的硅橋及熔斷器，故障消失，機器可以正常使用。3故障現(xiàn)象三開機時經(jīng)常死機，同時控制面板上顯示Err3。故障分析：一般來說，如果并不是每次都出現(xiàn)死機現(xiàn)象，說明故障有可能是接觸不良，該故障與電源無關(guān)。故障檢修：在死機時測量DZl-3與DZl-4之間的電壓為4V左右，遠(yuǎn)遠(yuǎn)低于正常的18V，判斷故障不在控制臺內(nèi)部。打開滑輪箱，觀察到JC0工作正常，RDl、RD2、RD3均未熔斷，但測量JX3-0V與JX3-220V之間的電壓只有60V左右，變壓器輸出電壓不正常。測量JC0-1與JC0-3之間有380V電壓，而JC0-2與JC0-4之間的電壓明顯下降，打開JC0接觸器，發(fā)現(xiàn)其3，4觸點表面凹凸不平，有明顯熔蝕的跡象。用JC0本身的一組空接點與3，4調(diào)換，故障消失，再也沒有出現(xiàn)死機現(xiàn)象。3討論由于機器本身能提供故障信息，維修人員可以快速地判斷故障所在電路，縮短故障檢修時間。但有的故障與說明書所講的并不完全一樣，如果出現(xiàn)故障代碼3便生搬硬套的理解只是外電源頻率不對，將會使檢修的方向發(fā)生錯誤，從而不能排除故障。在檢查過程中，如出現(xiàn)TEE探頭溫度>42.5度，機器進(jìn)入自動冷卻模式。</p><div style="width:100%;text-align: center;"><img style="max-width: 640px; max-height: 320px;" alt="甘肅smith nephew460P攝像機屏蔽線更換或修復(fù),460P" src="https://tyunfile.71360.com/WaterMark/UploadFile/leihuo/637330153940878906/8937338.png"></div><p> 故障現(xiàn)象：F78-Ⅱ型X線機在技術(shù)選擇正確的情況下，曝光時，mA表指針沖滿刻度，電源電壓表和kV表指針指示下降大。分析與檢修：根據(jù)以上現(xiàn)象，判斷有高壓電路擊穿或X線球管嚴(yán)重充氣故障。首先，從X線管端撥下陽極高壓電纜插頭，曝光幾次，mA表指針不動，電源電壓表和kV表指示穩(wěn)定，排除了X線球管外的高壓電路擊穿故障。接著將撥下的電纜頭對地放電后，再插到高壓座內(nèi)，從控制臺側(cè)拆下燈絲變壓器初級F1、F2接線。并在控制臺F0、F2接線處連接一只100W、220V普通白熾燈泡，以替代大焦點燈絲變壓器。選擇大焦點、低kV條件進(jìn)行冷高壓試驗，從X線管窗口可以看到球管內(nèi)有蘭色輝光，證明球管已充氣。更換球管時，發(fā)現(xiàn)舊X線球管窗口位置的玻璃外殼有圓形爆裂斑，且周圍面積發(fā)黑，陽極靶面有距離不等的條狀熔蝕痕跡和一個很深的圓形熔洞?？梢詳喽?，X線球管的損壞不只是長期使用所致，可能還有陽極轉(zhuǎn)速慢和有時不啟動的故障。將X線管安裝好后，拿掉燈泡連線，接上F1、F2接線，拆下高壓初級P1、P2。在曝光時，發(fā)現(xiàn)旋轉(zhuǎn)陽極轉(zhuǎn)速確實很慢。觀察繼電器JC5、JC6在正常工作。選擇低kV、低mA、長時間進(jìn)行曝光，在曝光過程中測量啟動繞組與運轉(zhuǎn)繞組電壓。發(fā)現(xiàn)啟動繞組電壓基本正常。4個前后端風(fēng)扇由系統(tǒng)電源經(jīng)PSBC 板供電。甘肅smith nephew460P攝像機屏蔽線更換或修復(fù)</p><p style="text-indent:25px">然后就相應(yīng)的故障進(jìn)行分析和處理，并給出解決措施和方法。甘肅smith nephew460P攝像機屏蔽線更換或修復(fù)</p><p> 我院島津EDl50LX線機是臺雙管雙臺X線機。第l臺配備佳能CFC-B1000片庫，用于胸片攝影，第2臺配備島津CH-30GX診斷床，用于四肢攝影。1故障現(xiàn)象曝光時mA表打到頭，OVER指示燈亮，關(guān)機報修。因為mA表打到頭的故障一般由高壓部分有擊穿引起的情況較多，未輕易開機重復(fù)故障現(xiàn)象，故障現(xiàn)象發(fā)生時所拍X光片，顯示基本正常。從以上種種情況表明，機器高壓部分應(yīng)沒有什么故障，故障可能出現(xiàn)在mA檢測或顯示電路上，故開機試驗，除OVER燈和mA表出現(xiàn)異常外，沒有其他異常。2原因分析由以上故障現(xiàn)象，我們判斷故障應(yīng)在mA表顯示控制電路上。該機mA表測量電路是從高壓變壓器次級中性點經(jīng)全波整流后，經(jīng)高壓發(fā)生器電路11H，接插座接連到mAMETERCONTROL-10電路板1M上的M+和M-。攝影時mA表顯示電路如下：M+-K-B常開接點-R2-D1-01-K2-X10常閉(60mA檔)或常開接點(600mA檔)-mA表。同時，由M+過來的直流電流經(jīng)K-B常開接點在R2形成檢測電壓，由R14-01加到積分器M1-01，經(jīng)積分后，輸出電壓為負(fù)值，其值正比于管電流與時間的乘積(即mAs)，再經(jīng)過Ml-02反相電壓放大后為正電壓輸出，回到mAs表顯示。管電流保護(hù)電路原理：攝影時攝影檢測電阻R2上壓降為40V，此時，通過R3-03和R9分壓。甘肅smith nephew460P攝像機屏蔽線更換或修復(fù)</p><p style="text-indent:25px">成都鐳伙科技有限公司是一家電子技術(shù)研究開發(fā)及轉(zhuǎn)讓、電氣設(shè)備、醫(yī)療設(shè)備維護(hù)服務(wù)、機械設(shè)備的設(shè)計、銷售；電器用品、醫(yī)療器械；貨物及技術(shù)進(jìn)出口。專業(yè)維修直管硬鏡、攝像系統(tǒng)、冷光源、氣腹機、動力系統(tǒng)、灌注泵、動力系統(tǒng)手柄、超聲刀手柄。軟質(zhì)器械激光焊接。的公司，致力于發(fā)展為創(chuàng)新務(wù)實、誠實可信的企業(yè)。成都鐳伙科技作為電子技術(shù)研究開發(fā)及轉(zhuǎn)讓、電氣設(shè)備、醫(yī)療設(shè)備維護(hù)服務(wù)、機械設(shè)備的設(shè)計、銷售；電器用品、醫(yī)療器械；貨物及技術(shù)進(jìn)出口。專業(yè)維修直管硬鏡、攝像系統(tǒng)、冷光源、氣腹機、動力系統(tǒng)、灌注泵、動力系統(tǒng)手柄、超聲刀手柄。軟質(zhì)器械激光焊接。的企業(yè)之一，為客戶提供良好的內(nèi)窺鏡以及維修周邊，動力系統(tǒng)及手柄附件維修，攝像系統(tǒng)主機及攝像頭維修，手術(shù)器械類維修。成都鐳伙科技不斷開拓創(chuàng)新，追求出色，以技術(shù)為先導(dǎo)，以產(chǎn)品為平臺，以應(yīng)用為重點，以服務(wù)為保證，不斷為客戶創(chuàng)造更高價值，提供更優(yōu)服務(wù)。成都鐳伙科技創(chuàng)始人張成亮，始終關(guān)注客戶，創(chuàng)新科技，竭誠為客戶提供良好的服務(wù)。</p></p><br /><p>文章來源地址: http://www.cdcfah.com/cp/2812749.html</p></div></div></div></div></div><div id="u7gx3yk" class="page-right twoColRt"><div id="nh7xzg7" class="box01 margin10 clearfix"><h3><a href="http://www.cdcfah.com/cp/">猜你喜歡</a></h3><div 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