西門子(zi)(zi)伺服電(dian)機測(ce)試(shi)：首先先測(ce)試(shi)一(yi)(yi)下電(dian)機，任何(he)(he)電(dian)路(lu)也(ye)不用(yong)連接，把電(dian)機的(de)三(san)(san)根線任意兩根短(duan)路(lu)在一(yi)(yi)起(qi)(qi)，用(yong)手轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)(dong)電(dian)機軸(zhou)，感(gan)覺起(qi)(qi)來(lai)有(you)阻力，那就OK。第(di)二步(bu)，把驅(qu)(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)按(an)圖紙(zhi)接上電(dian)源(yuan)通電(dian)，驅(qu)(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)正(zheng)常，有(you)錯(cuo)誤信息(xi)顯示(shi)(shi)，對照說明書(shu)(shu)，是(shi)(shi)顯示(shi)(shi)了(le)(le)編(bian)(bian)碼(ma)器(qi)(qi)(qi)(qi)有(you)故障的(de)錯(cuo)誤，這(zhe)個(ge)也(ye)正(zheng)常，還沒(mei)有(you)連接編(bian)(bian)碼(ma)器(qi)(qi)(qi)(qi)。第(di)三(san)(san)步(bu)，接上編(bian)(bian)碼(ma)器(qi)(qi)(qi)(qi)，再開機，沒(mei)有(you)任何(he)(he)錯(cuo)誤顯示(shi)(shi)了(le)(le)。第(di)四步(bu)，按(an)照說明書(shu)(shu)上設置(zhi)驅(qu)(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)。例如設置(zhi)了(le)(le)“速(su)度控(kong)(kong)制(zhi)模式”，然后(hou)旋(xuan)動(dong)(dong)(dong)(dong)電(dian)位器(qi)(qi)(qi)(qi)，電(dian)機沒(mei)有(you)轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)(dong)。按(an)說明書(shu)(shu)上的(de)說明，調整撥(bo)(bo)動(dong)(dong)(dong)(dong)開關，把“Servo-ON”撥(bo)(bo)動(dong)(dong)(dong)(dong)以后(hou)，電(dian)機一(yi)(yi)下子(zi)(zi)鎖定(ding)了(le)(le)，OK！然后(hou)旋(xuan)動(dong)(dong)(dong)(dong)電(dian)位器(qi)(qi)(qi)(qi)，使SPR/TRQR輸(shu)入引腳有(you)電(dian)壓(ya)(ya)，電(dian)機轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)(dong)起(qi)(qi)來(lai)了(le)(le)。伺服驅(qu)(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)上的(de)轉(zhuan)(zhuan)(zhuan)(zhuan)數達到(dao)(dao)了(le)(le)說明書(shu)(shu)上推薦是(shi)(shi)3000轉(zhuan)(zhuan)(zhuan)(zhuan)的(de)，再高速(su)可能會有(you)些問題。第(di)五(wu)步(bu)，重新(xin)設置(zhi)了(le)(le)伺服驅(qu)(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)，改成(cheng)“位置(zhi)控(kong)(kong)制(zhi)模式”，把運動(dong)(dong)(dong)(dong)控(kong)(kong)制(zhi)卡接到(dao)(dao)脈沖、方向接口上，電(dian)機也(ye)轉(zhuan)(zhuan)(zhuan)(zhuan)動(dong)(dong)(dong)(dong)了(le)(le)！按(an)照500Kpps的(de)輸(shu)出(chu)速(su)率，驅(qu)(qu)動(dong)(dong)(dong)(dong)器(qi)(qi)(qi)(qi)上顯示(shi)(shi)出(chu)了(le)(le)3000rpm。正(zheng)反轉(zhuan)(zhuan)(zhuan)(zhuan)都(dou)可自行控(kong)(kong)制(zhi)。再調節一(yi)(yi)下運動(dong)(dong)(dong)(dong)控(kong)(kong)制(zhi)卡，和(he)做的(de)小連接板。板子(zi)(zi)上的(de)LED陣(zhen)列是(shi)(shi)為了(le)(le)測(ce)試(shi)輸(shu)出(chu)用(yong)的(de)，插座是(shi)(shi)連接兩相編(bian)(bian)碼(ma)器(qi)(qi)(qi)(qi)的(de)，另一(yi)(yi)個(ge)插座是(shi)(shi)輸(shu)出(chu)脈沖/方向的(de)，開關、按(an)鈕(niu)是(shi)(shi)測(ce)試(shi)I/O輸(shu)入的(de)。電(dian)磁制(zhi)動(dong)(dong)(dong)(dong)三(san)(san)相異(yi)步(bu)電(dian)動(dong)(dong)(dong)(dong)機，請聯系上海仁萊豐機電(dian)。棗莊低壓(ya)(ya)電(dian)機廠家

電(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)對頻(pin)(pin)繁啟(qi)動(dong)(dong)(dong)、制動(dong)(dong)(dong)的(de)(de)適應能(neng)力：由(you)于(yu)采用(yong)變(bian)頻(pin)(pin)器(qi)供電(dian)后(hou)，電(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)可以(yi)在很低的(de)(de)頻(pin)(pin)率和(he)電(dian)壓下以(yi)無沖擊電(dian)流的(de)(de)方式啟(qi)動(dong)(dong)(dong)，并(bing)可利用(yong)變(bian)頻(pin)(pin)器(qi)所(suo)(suo)供的(de)(de)各種制動(dong)(dong)(dong)方式進行快速(su)制動(dong)(dong)(dong)，為實現頻(pin)(pin)繁啟(qi)動(dong)(dong)(dong)和(he)制動(dong)(dong)(dong)創造(zao)了條件，因(yin)而電(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)機(ji)(ji)(ji)(ji)(ji)(ji)械系統(tong)和(he)電(dian)磁(ci)系統(tong)處(chu)于(yu)循環交變(bian)力的(de)(de)作用(yong)下，給機(ji)(ji)(ji)(ji)(ji)(ji)械結構(gou)和(he)絕緣結構(gou)帶來(lai)疲(pi)勞(lao)和(he)加速(su)老化問題。低轉(zhuan)(zhuan)速(su)時的(de)(de)冷卻(que)問題：首(shou)先，異(yi)步(bu)電(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)阻(zu)抗不盡理想，當電(dian)源(yuan)頻(pin)(pin)率較(jiao)底(di)時，電(dian)源(yuan)中(zhong)高次(ci)諧波(bo)所(suo)(suo)引起的(de)(de)損耗較(jiao)大。其次(ci)，普通(tong)異(yi)步(bu)電(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)再轉(zhuan)(zhuan)速(su)降(jiang)低時，冷卻(que)風(feng)量與轉(zhuan)(zhuan)速(su)的(de)(de)三次(ci)方成比例減小，致使電(dian)動(dong)(dong)(dong)機(ji)(ji)(ji)(ji)(ji)(ji)的(de)(de)低速(su)冷卻(que)狀況變(bian)壞，溫升急劇(ju)增加，難以(yi)實現恒轉(zhuan)(zhuan)矩輸(shu)出。福州深(shen)井泵電(dian)機(ji)(ji)(ji)(ji)(ji)(ji)保養(yang)西門子(zi)貝得電(dian)機(ji)(ji)(ji)(ji)(ji)(ji)，請聯系上海仁萊豐機(ji)(ji)(ji)(ji)(ji)(ji)電(dian)。

為(wei)啥普通電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)不能(neng)當變頻(pin)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)使(shi)(shi)(shi)用？變頻(pin)器(qi)對(dui)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)的(de)(de)(de)(de)影響主要在(zai)電(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)(ji)的(de)(de)(de)(de)效(xiao)率(lv)(lv)(lv)和溫升(sheng)變頻(pin)器(qi)在(zai)運(yun)行中能(neng)產生不同程度(du)(du)的(de)(de)(de)(de)諧波電(dian)(dian)(dian)(dian)壓(ya)和電(dian)(dian)(dian)(dian)流(liu)，使(shi)(shi)(shi)電(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)(ji)在(zai)非正弦(xian)電(dian)(dian)(dian)(dian)壓(ya)、電(dian)(dian)(dian)(dian)流(liu)下運(yun)行，里(li)面的(de)(de)(de)(de)高次諧波會(hui)引起電(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)(ji)定子銅(tong)耗、轉(zhuan)子銅(tong)耗、鐵(tie)耗及附加(jia)損耗增加(jia)，的(de)(de)(de)(de)是(shi)轉(zhuan)子銅(tong)耗，這些損耗會(hui)使(shi)(shi)(shi)電(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)(ji)額(e)外發(fa)熱(re)，效(xiao)率(lv)(lv)(lv)降低，輸出功(gong)率(lv)(lv)(lv)減小，普通電(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)(ji)溫升(sheng)一般要增加(jia)10%－20%。電(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)(ji)的(de)(de)(de)(de)絕緣強度(du)(du)問題：變頻(pin)器(qi)載(zai)波頻(pin)率(lv)(lv)(lv)從幾千到十幾千赫，使(shi)(shi)(shi)得電(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)(ji)定子繞組要承(cheng)受很高的(de)(de)(de)(de)電(dian)(dian)(dian)(dian)壓(ya)上升(sheng)率(lv)(lv)(lv)，相當于對(dui)電(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)(ji)施加(jia)陡度(du)(du)很大的(de)(de)(de)(de)沖(chong)擊電(dian)(dian)(dian)(dian)壓(ya)，使(shi)(shi)(shi)電(dian)(dian)(dian)(dian)動機(ji)(ji)(ji)(ji)的(de)(de)(de)(de)匝間(jian)絕緣承(cheng)受較(jiao)為(wei)嚴重的(de)(de)(de)(de)考驗。

西(xi)門子(zi)貝得(de)(de)普通電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)：鑄鐵系(xi)列(lie)二級(ji)能效(xiao)(xiao)低(di)(di)壓(ya)三相(xiang)(xiang)異步電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)額定功率(lv)(lv)：1.5~315kW機(ji)(ji)(ji)(ji)座號：100~355電(dian)(dian)(dian)壓(ya)與(yu)頻率(lv)(lv)：支持多種電(dian)(dian)(dian)壓(ya)與(yu)頻率(lv)(lv)冷卻(que)方式：IC411，IC416、IC410可(ke)選(xuan)注油裝置：機(ji)(ji)(ji)(ji)座號180~355的(de)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)標配防護等(deng)級(ji)：IP55絕緣(yuan)等(deng)級(ji)：F環境溫度：-15~40oC海拔高(gao)度：不超過(guo)1000m能效(xiao)(xiao)等(deng)級(ji)：GB18613-20202級(ji)1TL0004系(xi)列(lie)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)是(shi)全新設計的(de)高(gao)效(xiao)(xiao)低(di)(di)壓(ya)三相(xiang)(xiang)異步電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)，機(ji)(ji)(ji)(ji)殼為鑄鐵材質，適用(yong)于連續(xu)工作制（S1）工作運行(xing)，符合GB18613-20202級(ji)能效(xiao)(xiao)。1TL0系(xi)列(lie)電(dian)(dian)(dian)動(dong)(dong)機(ji)(ji)(ji)(ji)具有效(xiao)(xiao)率(lv)(lv)高(gao)、結構(gou)新穎、造型美觀、噪(zao)音低(di)(di)、振(zhen)動(dong)(dong)小、絕緣(yuan)等(deng)級(ji)高(gao)等(deng)特(te)點，可(ke)用(yong)于風機(ji)(ji)(ji)(ji)、泵、壓(ya)縮機(ji)(ji)(ji)(ji)、紡織(zhi)機(ji)(ji)(ji)(ji)械(xie)等(deng)多種工業應用(yong)領(ling)域。福州西(xi)門子(zi)貝得(de)(de)電(dian)(dian)(dian)機(ji)(ji)(ji)(ji)，請聯系(xi)上海仁萊豐機(ji)(ji)(ji)(ji)電(dian)(dian)(dian)。

為減(jian)速電(dian)機樹立優(you)化(hua)新(xin)標(biao)準將(jiang)產(chan)生(sheng)何影(ying)響?使得安裝尺(chi)寸更具兼(jian)容性(xing)?產(chan)品線具有(you)更加精細的(de)(de)(de)規(gui)格(ge)劃分?質量(liang)更加出色(se)，可(ke)確保更高的(de)(de)(de)工廠或(huo)(huo)(huo)系(xi)統可(ke)利用(yong)率?西(xi)門(men)子全(quan)新(xin)SIMOGEAR系(xi)列減(jian)速電(dian)機可(ke)完美(mei)滿足(zu)這(zhe)些要求(qiu):完全(quan)符合通用(yong)行業標(biao)準。并可(ke)輕松集(ji)成到現(xian)有(you)或(huo)(huo)(huo)全(quan)新(xin)設(she)(she)備或(huo)(huo)(huo)系(xi)統中(zhong)。設(she)(she)計更完美(mei)SIMOGEAR減(jian)速電(dian)機的(de)(de)(de)中(zhong)心高、輸出軸、地腳和(he)法蘭安裝等都采用(yong)了標(biao)準安裝尺(chi)寸，從而可(ke)支持客戶(hu)的(de)(de)(de)設(she)(she)計慣例，允(yun)許客戶(hu)自由選擇配套供(gong)應(ying)商，隨(sui)時對整個(ge)驅(qu)動解(jie)決(jue)方案進(jin)行經濟的(de)(de)(de)改造或(huo)(huo)(huo)重(zhong)新(xin)配置。毋庸置疑(yi):換用(yong)SIMOGEAR減(jian)速電(dian)機將(jiang)非常簡便。上海仁萊豐機電(dian)銷(xiao)售的(de)(de)(de)特波(bo)電(dian)機型(xing)號齊全(quan)，歡迎(ying)選購。阜陽(yang)貝得電(dian)機廠家

山東西門子貝得電機，請聯系(xi)上海仁(ren)萊豐機電。棗莊低壓電機廠家

西(xi)門子變頻(pin)(pin)(pin)電(dian)(dian)機(ji)(ji)的(de)型(xing)號(hao)還有(you)很多(duo)，常見的(de)有(you)1TL0系(xi)列(lie)，1TL0系(xi)列(lie)變頻(pin)(pin)(pin)調速三相異步電(dian)(dian)機(ji)(ji)(簡稱(cheng)變頻(pin)(pin)(pin)電(dian)(dian)機(ji)(ji))具有(you)結構(gou)新穎，造型(xing)美觀，低(di)噪音(yin)，低(di)振動，絕緣(yuan)等級高等特(te)點。其(qi)獨特(te)的(de)絕緣(yuan)系(xi)統(tong)可(ke)保(bao)證變頻(pin)(pin)(pin)器(qi)供(gong)電(dian)(dian)電(dian)(dian)壓(ya)不超過460V時變頻(pin)(pin)(pin)運行正常，在變頻(pin)(pin)(pin)運行時，1TL0002變頻(pin)(pin)(pin)電(dian)(dian)機(ji)(ji)可(ke)拖動30～50Hz范圍(wei)內的(de)恒轉(zhuan)矩負(fu)載和5～50Hz范圍(wei)內的(de)平(ping)方轉(zhuan)矩負(fu)載。這保(bao)證了1TL0002變頻(pin)(pin)(pin)電(dian)(dian)機(ji)(ji)可(ke)廣泛應用于風機(ji)(ji)，泵類造紙及(ji)紡織等應用領(ling)域(yu)和行業。通過使用1TL0系(xi)列(lie)電(dian)(dian)機(ji)(ji)，客戶(hu)節能比較高可(ke)達%10，有(you)利于提(ti)高客戶(hu)在行業中(zhong)的(de)地位(wei)，增強(qiang)其(qi)產品(pin)的(de)競爭力。棗(zao)莊低(di)壓(ya)電(dian)(dian)機(ji)(ji)廠家

上海(hai)仁萊豐機(ji)(ji)(ji)(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)設(she)(she)(she)備(bei)有(you)(you)(you)限責(ze)任公(gong)(gong)司(si)擁有(you)(you)(you)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)設(she)(she)(she)備(bei)銷(xiao)(xiao)售(shou)(shou)(shou)(shou);消防器材(cai)銷(xiao)(xiao)售(shou)(shou)(shou)(shou);辦公(gong)(gong)設(she)(she)(she)備(bei)銷(xiao)(xiao)售(shou)(shou)(shou)(shou);環(huan)境保護設(she)(she)(she)備(bei)銷(xiao)(xiao)售(shou)(shou)(shou)(shou);電(dian)(dian)(dian)(dian)子(zi)(zi)元器件與(yu)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)電(dian)(dian)(dian)(dian)組(zu)件設(she)(she)(she)備(bei)銷(xiao)(xiao)售(shou)(shou)(shou)(shou);電(dian)(dian)(dian)(dian)子(zi)(zi)設(she)(she)(she)備(bei)銷(xiao)(xiao)售(shou)(shou)(shou)(shou);泵及真空設(she)(she)(she)備(bei)銷(xiao)(xiao)售(shou)(shou)(shou)(shou);閥門和旋塞銷(xiao)(xiao)售(shou)(shou)(shou)(shou);電(dian)(dian)(dian)(dian)氣(qi)設(she)(she)(she)備(bei)銷(xiao)(xiao)售(shou)(shou)(shou)(shou);緊固件銷(xiao)(xiao)售(shou)(shou)(shou)(shou);機(ji)(ji)(ji)(ji)(ji)(ji)(ji)床功能部(bu)(bu)件及附件銷(xiao)(xiao)售(shou)(shou)(shou)(shou);軸(zhou)承(cheng)(cheng)銷(xiao)(xiao)售(shou)(shou)(shou)(shou);五(wu)金產品(pin)(pin)零(ling)售(shou)(shou)(shou)(shou);建筑材(cai)料(liao)銷(xiao)(xiao)售(shou)(shou)(shou)(shou);電(dian)(dian)(dian)(dian)線、電(dian)(dian)(dian)(dian)纜經營;通訊設(she)(she)(she)備(bei)銷(xiao)(xiao)售(shou)(shou)(shou)(shou);辦公(gong)(gong)用(yong)品(pin)(pin)銷(xiao)(xiao)售(shou)(shou)(shou)(shou);包裝材(cai)料(liao)及制(zhi)品(pin)(pin)銷(xiao)(xiao)售(shou)(shou)(shou)(shou);技(ji)(ji)術(shu)服務、技(ji)(ji)術(shu)開發、技(ji)(ji)術(shu)咨詢、技(ji)(ji)術(shu)交(jiao)流(liu)、技(ji)(ji)術(shu)轉讓、技(ji)(ji)術(shu)推(tui)廣;機(ji)(ji)(ji)(ji)(ji)(ji)(ji)械(xie)電(dian)(dian)(dian)(dian)氣(qi)設(she)(she)(she)備(bei)銷(xiao)(xiao)售(shou)(shou)(shou)(shou);汽車新車銷(xiao)(xiao)售(shou)(shou)(shou)(shou);齒(chi)輪(lun)及齒(chi)輪(lun)減、變速箱銷(xiao)(xiao)售(shou)(shou)(shou)(shou);軸(zhou)承(cheng)(cheng)、齒(chi)輪(lun)和傳動部(bu)(bu)件銷(xiao)(xiao)售(shou)(shou)(shou)(shou);風機(ji)(ji)(ji)(ji)(ji)(ji)(ji)、風扇銷(xiao)(xiao)售(shou)(shou)(shou)(shou);貨物(wu)進出口;技(ji)(ji)術(shu)進出口等多項業(ye)務，主營業(ye)務涵蓋西門子(zi)(zi)/貝(bei)得(de)普(pu)(pu)通電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)，特(te)(te)(te)波(bo)(bo)NEMA電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)，特(te)(te)(te)波(bo)(bo)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)，貝(bei)得(de)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)。目前我公(gong)(gong)司(si)在職員工以(yi)90后為(wei)主，是一個有(you)(you)(you)活力(li)有(you)(you)(you)能力(li)有(you)(you)(you)創新精神的(de)(de)(de)團(tuan)隊(dui)。誠實、守信是對企(qi)業(ye)的(de)(de)(de)經營要求，也是我們做人的(de)(de)(de)基本準(zhun)則。公(gong)(gong)司(si)致(zhi)力(li)于打造高(gao)品(pin)(pin)質(zhi)的(de)(de)(de)西門子(zi)(zi)/貝(bei)得(de)普(pu)(pu)通電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)，特(te)(te)(te)波(bo)(bo)NEMA電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)，特(te)(te)(te)波(bo)(bo)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)，貝(bei)得(de)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)。一直以(yi)來(lai)公(gong)(gong)司(si)堅持以(yi)客(ke)戶為(wei)中心、西門子(zi)(zi)/貝(bei)得(de)普(pu)(pu)通電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)，特(te)(te)(te)波(bo)(bo)NEMA電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)，特(te)(te)(te)波(bo)(bo)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)，貝(bei)得(de)電(dian)(dian)(dian)(dian)機(ji)(ji)(ji)(ji)(ji)(ji)(ji)市場為(wei)導向(xiang)，重信譽，保質(zhi)量(liang)，想(xiang)客(ke)戶之所想(xiang)，急(ji)用(yong)戶之所急(ji)，全力(li)以(yi)赴滿足(zu)客(ke)戶的(de)(de)(de)一切需要。

本(ben)文來(lai)自宜興(xing)市(shi)恒通風機有限公(gong)司(si)：//vijoo.com.cn/Article/45c76499190.html