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為什么工控主板的價格比商用主板高?
2017-05-25 13:45:35 新聞來源:草莓視頻污片app:深圳市澤創偉業科技有限公司
為什么(me)工控主板的價(jia)格比商用(yong)主板高?相信(xin)很多用(yong)戶朋友都有這個疑(yi)問(wen),下(xia)(xia)面(mian)澤(ze)創偉業小(xiao)編就來給大(da)家(jia)分析下(xia)(xia)。
一、保護功能
商用主板沒(mei)有提(ti)供的(de)任何的(de)保護(hu)功(gong)能;
工控(kong)主板通過特殊設計,在遇到死機等異(yi)常情況,可以實現看門狗自動重新啟動、防(fang)浪涌沖擊等功(gong)能(neng),全力(li)的保證系(xi)統在惡劣(lie)環境的高穩定性(xing)的要求。
二、工作溫度與散熱方式
商(shang)用主板(ban)基(ji)本只能在5℃~38℃之間(jian)的(de)環境溫度中使用,對(dui)機構(gou)的(de)散熱(re)要(yao)求低,講究外觀夠(gou)(gou)炫夠(gou)(gou)酷。
工(gong)控(kong)主板可以(yi)在(zai)-20℃~60℃之間的(de)(de)環境中穩定、無(wu)故障(zhang)的(de)(de)工(gong)作(zuo),甚(shen)至(zhi)某(mou)些工(gong)業主板采(cai)用(yong)特(te)(te)殊(shu)的(de)(de)寬溫設(she)(she)計,溫度(du)范(fan)圍(wei)可達-20度(du)~70度(du)。這對機構的(de)(de)散(san)(san)(san)熱(re)方案,散(san)(san)(san)熱(re)效率(lv)都是一個嚴峻的(de)(de)考驗(yan)。在(zai)工(gong)控(kong)主板機構的(de)(de)散(san)(san)(san)熱(re)設(she)(she)計上,必須使用(yong)的(de)(de)特(te)(te)殊(shu)散(san)(san)(san)熱(re)設(she)(she)計,甚(shen)至(zhi)還采(cai)用(yong)全(quan)鋁制的(de)(de)機構外殼,而(er)且對CPU、南北橋和(he)硬盤等發熱(re)大(da)戶(hu),進行(xing)特(te)(te)殊(shu)處理(li),保證工(gong)控(kong)主板和(he)整機的(de)(de)正常運行(xing)。
很(hen)多工控(kong)機由于(yu)在(zai)惡劣(lie)的(de)(de)(de)(de)(de)(de)應(ying)用(yong)(yong)環(huan)(huan)境(jing)(jing)下(xia)(例如潮濕、振動、多塵(chen)(chen)、輻(fu)射、高溫(wen)等等應(ying)用(yong)(yong)環(huan)(huan)境(jing)(jing))使用(yong)(yong),空氣中的(de)(de)(de)(de)(de)(de)塵(chen)(chen)埃和鹽分(fen),都(dou)會對(dui)(dui)主板造成腐蝕,影響主板的(de)(de)(de)(de)(de)(de)正(zheng)常使用(yong)(yong),因此很(hen)多工控(kong)機有(you)必要(yao)(yao)采用(yong)(yong)無風扇的(de)(de)(de)(de)(de)(de)機箱結構(gou),防止惡劣(lie)環(huan)(huan)境(jing)(jing)對(dui)(dui)系統造成傷害(hai)。但是全密封(feng)無風扇的(de)(de)(de)(de)(de)(de)結構(gou),因為熱源(yuan)的(de)(de)(de)(de)(de)(de)互相干(gan)擾,對(dui)(dui)主板的(de)(de)(de)(de)(de)(de)性能和穩定(ding)性的(de)(de)(de)(de)(de)(de)要(yao)(yao)求(qiu)比較高,對(dui)(dui)機構(gou)的(de)(de)(de)(de)(de)(de)散(san)熱方式(shi)和散(san)熱效能的(de)(de)(de)(de)(de)(de)要(yao)(yao)求(qiu)很(hen)高,務必要(yao)(yao)將積熱有(you)效散(san)發出去。
三、使用環境
工控主板常在惡劣環境下工作(壽命期內永久開機、氣候惡劣、潮濕、振動、多塵、輻射、高溫等等),而這些環境下是商用主板無法勝任,當今商業主板大部分只能運行在安定的環境下(工作時間短、室內、常溫等等)。
四、主板元器件的用料與設計:
商用(yong)主板(ban):
商(shang)(shang)用(yong)(yong)(yong)主板(ban)(ban)由于(yu)其更新換代(dai)的(de)(de)速度比較(jiao)快,且對(dui)產(chan)品的(de)(de)穩定性及(ji)使用(yong)(yong)(yong)環境的(de)(de)要求(qiu)(qiu)比較(jiao)低,故此追求(qiu)(qiu)的(de)(de)是(shi)(shi)產(chan)品的(de)(de)時效(xiao)性,以及(ji)本(ben)身(shen)產(chan)品的(de)(de)市(shi)場(chang)(chang)定位,對(dui)元器(qi)件選擇(ze)要求(qiu)(qiu)上一般只(zhi)需滿足(zu)系統運行2到3年的(de)(de)使用(yong)(yong)(yong)壽命即可(3年之后大部分已(yi)經更新換代(dai)了),元器(qi)件的(de)(de)用(yong)(yong)(yong)料上使用(yong)(yong)(yong)普通(tong)級別的(de)(de)就可以了。例如電(dian)容,商(shang)(shang)用(yong)(yong)(yong)主板(ban)(ban)都(dou)是(shi)(shi)大量使用(yong)(yong)(yong)普通(tong)的(de)(de)電(dian)解電(dian)容,一是(shi)(shi)出于(yu)商(shang)(shang)用(yong)(yong)(yong)市(shi)場(chang)(chang)產(chan)品的(de)(de)使用(yong)(yong)(yong)考慮,二是(shi)(shi)為(wei)降低主板(ban)(ban)的(de)(de)成本(ben)考慮。
工(gong)控主(zhu)板(ban):
1)工控(kong)主板(ban)的元器件(jian)
工(gong)(gong)控(kong)主板(ban)選料(liao)會(hui)選用(yong)經過(guo)長(chang)時(shi)間,高要求(qiu)驗證(zheng)元器件(jian)(jian),用(yong)以保(bao)(bao)證(zheng)產品在(zai)惡(e)劣(lie)(lie)條件(jian)(jian)下(xia)(xia)高可靠性要求(qiu)。例如工(gong)(gong)控(kong)主板(ban)的元器件(jian)(jian)需要適應(ying)寬溫環境(-20℃~60℃),如固(gu)態(tai)電容(rong)器,保(bao)(bao)證(zheng)在(zai)惡(e)劣(lie)(lie)環境下(xia)(xia)(壽命(ming)期內永久開(kai)機(ji)、氣候(hou)惡(e)劣(lie)(lie)、潮濕、振動(dong)、多塵、輻射、高溫等等)正常工(gong)(gong)作;主板(ban)元器件(jian)(jian)需要耐高溫、抗(kang)潮濕等等。
2)工控主(zhu)板(ban)的(de)電容
工控主(zhu)(zhu)板(ban)采用(yong)(yong)(yong)的(de)(de)是(shi)(shi)高(gao)(gao)(gao)(gao)質量(liang)(liang)的(de)(de)貼(tie)片式(shi)的(de)(de)固(gu)(gu)態(tai)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)、鉭(tan)、陶(tao)瓷電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong),即使(shi)使(shi)用(yong)(yong)(yong)的(de)(de)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong),對其品質、性(xing)(xing)能(neng)及壽命(ming)要(yao)求也(ye)遠高(gao)(gao)(gao)(gao)于商(shang)用(yong)(yong)(yong)產(chan)品,現在(zai)(zai)的(de)(de)工控主(zhu)(zhu)板(ban)都基本上采用(yong)(yong)(yong)固(gu)(gu)態(tai)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong),特別中高(gao)(gao)(gao)(gao)端的(de)(de)工控主(zhu)(zhu)板(ban)。商(shang)用(yong)(yong)(yong)主(zhu)(zhu)板(ban)基本都是(shi)(shi)大(da)量(liang)(liang)采用(yong)(yong)(yong)針腳式(shi)的(de)(de)大(da)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong),因為大(da)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)成(cheng)(cheng)本低、容(rong)(rong)(rong)(rong)值大(da)一個可以頂多(duo)個貼(tie)片或坦電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)。從性(xing)(xing)質來說,電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)穩定性(xing)(xing)不(bu)及鉭(tan)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)、陶(tao)瓷電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)高(gao)(gao)(gao)(gao),壽命(ming)不(bu)及它們長,耐高(gao)(gao)(gao)(gao)溫程度不(bu)及它們好。貼(tie)片式(shi)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)比(bi)(bi)針腳式(shi)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)更加(jia)穩定。從價(jia)格上,鉭(tan)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)比(bi)(bi)普(pu)通的(de)(de)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)要(yao)貴,且由于鉭(tan)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)的(de)(de)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)量(liang)(liang)較(jiao)小(xiao),使(shi)用(yong)(yong)(yong)在(zai)(zai)主(zhu)(zhu)板(ban)上時,需要(yao)使(shi)用(yong)(yong)(yong)更多(duo)數量(liang)(liang)的(de)(de)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong),單單鉭(tan)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)的(de)(de)成(cheng)(cheng)本就(jiu)是(shi)(shi)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)的(de)(de)幾十倍(bei),這(zhe)也(ye)是(shi)(shi)導致工控主(zhu)(zhu)板(ban)比(bi)(bi)商(shang)用(yong)(yong)(yong)主(zhu)(zhu)板(ban)成(cheng)(cheng)本價(jia)格高(gao)(gao)(gao)(gao)的(de)(de)原因之一。隨著(zhu)國產(chan)固(gu)(gu)態(tai)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)器(qi)廠家越來越多(duo),固(gu)(gu)態(tai)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)器(qi)的(de)(de)價(jia)格的(de)(de)下降,現在(zai)(zai)的(de)(de)高(gao)(gao)(gao)(gao)檔次的(de)(de)商(shang)用(yong)(yong)(yong)主(zhu)(zhu)板(ban)都在(zai)(zai)使(shi)用(yong)(yong)(yong)固(gu)(gu)態(tai)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)器(qi)。
3)工控主(zhu)板的(de)PCB
商用主板(ban)(ban)采用的(de)(de)是(shi)4層(ceng)(ceng)PCB設(she)計(ji),一般的(de)(de)PCB線路(lu)板(ban)(ban)分有四層(ceng)(ceng),最上和(he)最下(xia)的(de)(de)兩層(ceng)(ceng)是(shi)信(xin)號層(ceng)(ceng),中間(jian)兩層(ceng)(ceng)是(shi)接地層(ceng)(ceng)和(he)電(dian)源層(ceng)(ceng),將接地和(he)電(dian)源層(ceng)(ceng)放在中間(jian)。工業(ye)主板(ban)(ban)采用的(de)(de)是(shi)6層(ceng)(ceng)以上PCB線路(lu)板(ban)(ban)設(she)計(ji),其設(she)計(ji)是(shi)為了加(jia)強主板(ban)(ban)的(de)(de)抗電(dian)磁(ci)干擾、電(dian)磁(ci)兼(jian)容能力,增強主板(ban)(ban)的(de)(de)穩定性等(deng)等(deng)。
4)工控主板的(de)壽命(ming)
與商用主板2到3年使用壽命(ming)不同,大多數的工控(kong)主板壽命(ming)要求在3年以上,部分高品質的工控(kong)主板,使用壽命(ming)甚(shen)至達到5—7年。
一、保護功能
商用主板沒(mei)有提(ti)供的(de)任何的(de)保護(hu)功(gong)能;
工控(kong)主板通過特殊設計,在遇到死機等異(yi)常情況,可以實現看門狗自動重新啟動、防(fang)浪涌沖擊等功(gong)能(neng),全力(li)的保證系(xi)統在惡劣(lie)環境的高穩定性(xing)的要求。
二、工作溫度與散熱方式
商(shang)用主板(ban)基(ji)本只能在5℃~38℃之間(jian)的(de)環境溫度中使用,對(dui)機構(gou)的(de)散熱(re)要(yao)求低,講究外觀夠(gou)(gou)炫夠(gou)(gou)酷。
工(gong)控(kong)主板可以(yi)在(zai)-20℃~60℃之間的(de)(de)環境中穩定、無(wu)故障(zhang)的(de)(de)工(gong)作(zuo),甚(shen)至(zhi)某(mou)些工(gong)業主板采(cai)用(yong)特(te)(te)殊(shu)的(de)(de)寬溫設(she)(she)計,溫度(du)范(fan)圍(wei)可達-20度(du)~70度(du)。這對機構的(de)(de)散(san)(san)(san)熱(re)方案,散(san)(san)(san)熱(re)效率(lv)都是一個嚴峻的(de)(de)考驗(yan)。在(zai)工(gong)控(kong)主板機構的(de)(de)散(san)(san)(san)熱(re)設(she)(she)計上,必須使用(yong)的(de)(de)特(te)(te)殊(shu)散(san)(san)(san)熱(re)設(she)(she)計,甚(shen)至(zhi)還采(cai)用(yong)全(quan)鋁制的(de)(de)機構外殼,而(er)且對CPU、南北橋和(he)硬盤等發熱(re)大(da)戶(hu),進行(xing)特(te)(te)殊(shu)處理(li),保證工(gong)控(kong)主板和(he)整機的(de)(de)正常運行(xing)。
很(hen)多工控(kong)機由于(yu)在(zai)惡劣(lie)的(de)(de)(de)(de)(de)(de)應(ying)用(yong)(yong)環(huan)(huan)境(jing)(jing)下(xia)(例如潮濕、振動、多塵(chen)(chen)、輻(fu)射、高溫(wen)等等應(ying)用(yong)(yong)環(huan)(huan)境(jing)(jing))使用(yong)(yong),空氣中的(de)(de)(de)(de)(de)(de)塵(chen)(chen)埃和鹽分(fen),都(dou)會對(dui)(dui)主板造成腐蝕,影響主板的(de)(de)(de)(de)(de)(de)正(zheng)常使用(yong)(yong),因此很(hen)多工控(kong)機有(you)必要(yao)(yao)采用(yong)(yong)無風扇的(de)(de)(de)(de)(de)(de)機箱結構(gou),防止惡劣(lie)環(huan)(huan)境(jing)(jing)對(dui)(dui)系統造成傷害(hai)。但是全密封(feng)無風扇的(de)(de)(de)(de)(de)(de)結構(gou),因為熱源(yuan)的(de)(de)(de)(de)(de)(de)互相干(gan)擾,對(dui)(dui)主板的(de)(de)(de)(de)(de)(de)性能和穩定(ding)性的(de)(de)(de)(de)(de)(de)要(yao)(yao)求(qiu)比較高,對(dui)(dui)機構(gou)的(de)(de)(de)(de)(de)(de)散(san)熱方式(shi)和散(san)熱效能的(de)(de)(de)(de)(de)(de)要(yao)(yao)求(qiu)很(hen)高,務必要(yao)(yao)將積熱有(you)效散(san)發出去。
三、使用環境
工控主板常在惡劣環境下工作(壽命期內永久開機、氣候惡劣、潮濕、振動、多塵、輻射、高溫等等),而這些環境下是商用主板無法勝任,當今商業主板大部分只能運行在安定的環境下(工作時間短、室內、常溫等等)。
四、主板元器件的用料與設計:
商用(yong)主板(ban):
商(shang)(shang)用(yong)(yong)(yong)主板(ban)(ban)由于(yu)其更新換代(dai)的(de)(de)速度比較(jiao)快,且對(dui)產(chan)品的(de)(de)穩定性及(ji)使用(yong)(yong)(yong)環境的(de)(de)要求(qiu)(qiu)比較(jiao)低,故此追求(qiu)(qiu)的(de)(de)是(shi)(shi)產(chan)品的(de)(de)時效(xiao)性,以及(ji)本(ben)身(shen)產(chan)品的(de)(de)市(shi)場(chang)(chang)定位,對(dui)元器(qi)件選擇(ze)要求(qiu)(qiu)上一般只(zhi)需滿足(zu)系統運行2到3年的(de)(de)使用(yong)(yong)(yong)壽命即可(3年之后大部分已(yi)經更新換代(dai)了),元器(qi)件的(de)(de)用(yong)(yong)(yong)料上使用(yong)(yong)(yong)普通(tong)級別的(de)(de)就可以了。例如電(dian)容,商(shang)(shang)用(yong)(yong)(yong)主板(ban)(ban)都(dou)是(shi)(shi)大量使用(yong)(yong)(yong)普通(tong)的(de)(de)電(dian)解電(dian)容,一是(shi)(shi)出于(yu)商(shang)(shang)用(yong)(yong)(yong)市(shi)場(chang)(chang)產(chan)品的(de)(de)使用(yong)(yong)(yong)考慮,二是(shi)(shi)為(wei)降低主板(ban)(ban)的(de)(de)成本(ben)考慮。
工(gong)控主(zhu)板(ban):
1)工控(kong)主板(ban)的元器件(jian)
工(gong)(gong)控(kong)主板(ban)選料(liao)會(hui)選用(yong)經過(guo)長(chang)時(shi)間,高要求(qiu)驗證(zheng)元器件(jian)(jian),用(yong)以保(bao)(bao)證(zheng)產品在(zai)惡(e)劣(lie)(lie)條件(jian)(jian)下(xia)(xia)高可靠性要求(qiu)。例如工(gong)(gong)控(kong)主板(ban)的元器件(jian)(jian)需要適應(ying)寬溫環境(-20℃~60℃),如固(gu)態(tai)電容(rong)器,保(bao)(bao)證(zheng)在(zai)惡(e)劣(lie)(lie)環境下(xia)(xia)(壽命(ming)期內永久開(kai)機(ji)、氣候(hou)惡(e)劣(lie)(lie)、潮濕、振動(dong)、多塵、輻射、高溫等等)正常工(gong)(gong)作;主板(ban)元器件(jian)(jian)需要耐高溫、抗(kang)潮濕等等。
2)工控主(zhu)板(ban)的(de)電容
工控主(zhu)(zhu)板(ban)采用(yong)(yong)(yong)的(de)(de)是(shi)(shi)高(gao)(gao)(gao)(gao)質量(liang)(liang)的(de)(de)貼(tie)片式(shi)的(de)(de)固(gu)(gu)態(tai)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)、鉭(tan)、陶(tao)瓷電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong),即使(shi)使(shi)用(yong)(yong)(yong)的(de)(de)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong),對其品質、性(xing)(xing)能(neng)及壽命(ming)要(yao)求也(ye)遠高(gao)(gao)(gao)(gao)于商(shang)用(yong)(yong)(yong)產(chan)品,現在(zai)(zai)的(de)(de)工控主(zhu)(zhu)板(ban)都基本上采用(yong)(yong)(yong)固(gu)(gu)態(tai)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong),特別中高(gao)(gao)(gao)(gao)端的(de)(de)工控主(zhu)(zhu)板(ban)。商(shang)用(yong)(yong)(yong)主(zhu)(zhu)板(ban)基本都是(shi)(shi)大(da)量(liang)(liang)采用(yong)(yong)(yong)針腳式(shi)的(de)(de)大(da)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong),因為大(da)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)成(cheng)(cheng)本低、容(rong)(rong)(rong)(rong)值大(da)一個可以頂多(duo)個貼(tie)片或坦電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)。從性(xing)(xing)質來說,電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)穩定性(xing)(xing)不(bu)及鉭(tan)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)、陶(tao)瓷電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)高(gao)(gao)(gao)(gao),壽命(ming)不(bu)及它們長,耐高(gao)(gao)(gao)(gao)溫程度不(bu)及它們好。貼(tie)片式(shi)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)比(bi)(bi)針腳式(shi)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)更加(jia)穩定。從價(jia)格上,鉭(tan)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)比(bi)(bi)普(pu)通的(de)(de)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)要(yao)貴,且由于鉭(tan)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)的(de)(de)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)量(liang)(liang)較(jiao)小(xiao),使(shi)用(yong)(yong)(yong)在(zai)(zai)主(zhu)(zhu)板(ban)上時,需要(yao)使(shi)用(yong)(yong)(yong)更多(duo)數量(liang)(liang)的(de)(de)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong),單單鉭(tan)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)的(de)(de)成(cheng)(cheng)本就(jiu)是(shi)(shi)電(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)的(de)(de)幾十倍(bei),這(zhe)也(ye)是(shi)(shi)導致工控主(zhu)(zhu)板(ban)比(bi)(bi)商(shang)用(yong)(yong)(yong)主(zhu)(zhu)板(ban)成(cheng)(cheng)本價(jia)格高(gao)(gao)(gao)(gao)的(de)(de)原因之一。隨著(zhu)國產(chan)固(gu)(gu)態(tai)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)器(qi)廠家越來越多(duo),固(gu)(gu)態(tai)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)器(qi)的(de)(de)價(jia)格的(de)(de)下降,現在(zai)(zai)的(de)(de)高(gao)(gao)(gao)(gao)檔次的(de)(de)商(shang)用(yong)(yong)(yong)主(zhu)(zhu)板(ban)都在(zai)(zai)使(shi)用(yong)(yong)(yong)固(gu)(gu)態(tai)電(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)器(qi)。
3)工控主(zhu)板的(de)PCB
商用主板(ban)(ban)采用的(de)(de)是(shi)4層(ceng)(ceng)PCB設(she)計(ji),一般的(de)(de)PCB線路(lu)板(ban)(ban)分有四層(ceng)(ceng),最上和(he)最下(xia)的(de)(de)兩層(ceng)(ceng)是(shi)信(xin)號層(ceng)(ceng),中間(jian)兩層(ceng)(ceng)是(shi)接地層(ceng)(ceng)和(he)電(dian)源層(ceng)(ceng),將接地和(he)電(dian)源層(ceng)(ceng)放在中間(jian)。工業(ye)主板(ban)(ban)采用的(de)(de)是(shi)6層(ceng)(ceng)以上PCB線路(lu)板(ban)(ban)設(she)計(ji),其設(she)計(ji)是(shi)為了加(jia)強主板(ban)(ban)的(de)(de)抗電(dian)磁(ci)干擾、電(dian)磁(ci)兼(jian)容能力,增強主板(ban)(ban)的(de)(de)穩定性等(deng)等(deng)。
4)工控主板的(de)壽命(ming)
與商用主板2到3年使用壽命(ming)不同,大多數的工控(kong)主板壽命(ming)要求在3年以上,部分高品質的工控(kong)主板,使用壽命(ming)甚(shen)至達到5—7年。