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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app污下載:深圳市澤創偉業科技有限公司
為什么工控主(zhu)板(ban)的價(jia)格比商用主(zhu)板(ban)高?相(xiang)信很多用戶朋友(you)都有這個疑問,下面澤(ze)創偉(wei)業小(xiao)編就來(lai)給大家分析下。
一、保護功能
商用主板沒有提供的任何的保護功能;
工控主板通過(guo)特殊設計,在遇(yu)到(dao)死(si)機等異常(chang)情況(kuang),可以實現看門狗自動重新啟(qi)動、防浪(lang)涌沖擊等功能,全(quan)力的(de)保證系統在惡(e)劣環境的(de)高穩定性的(de)要求。
二、工作溫度與散熱方式
商用(yong)(yong)主板(ban)基本只能在(zai)5℃~38℃之間(jian)的環境溫度中使用(yong)(yong),對機構的散熱要(yao)求低,講究外觀夠(gou)炫夠(gou)酷(ku)。
工(gong)(gong)控主(zhu)(zhu)板(ban)可(ke)以在(zai)-20℃~60℃之間的(de)(de)(de)環境中穩定、無故障的(de)(de)(de)工(gong)(gong)作,甚(shen)(shen)至某些工(gong)(gong)業主(zhu)(zhu)板(ban)采(cai)用特(te)(te)殊(shu)的(de)(de)(de)寬溫設(she)(she)計,溫度范圍可(ke)達-20度~70度。這對機(ji)(ji)構(gou)的(de)(de)(de)散(san)熱方案,散(san)熱效率都是一個嚴峻的(de)(de)(de)考(kao)驗。在(zai)工(gong)(gong)控主(zhu)(zhu)板(ban)機(ji)(ji)構(gou)的(de)(de)(de)散(san)熱設(she)(she)計上,必須(xu)使用的(de)(de)(de)特(te)(te)殊(shu)散(san)熱設(she)(she)計,甚(shen)(shen)至還采(cai)用全鋁(lv)制(zhi)的(de)(de)(de)機(ji)(ji)構(gou)外殼(ke),而且對CPU、南(nan)北橋和硬盤等發熱大(da)戶,進行特(te)(te)殊(shu)處理,保(bao)證工(gong)(gong)控主(zhu)(zhu)板(ban)和整機(ji)(ji)的(de)(de)(de)正常運(yun)行。
很多(duo)工(gong)控(kong)機(ji)由于在惡(e)劣的應用(yong)環(huan)境(jing)下(例如潮濕、振動、多(duo)塵、輻(fu)射、高溫等等應用(yong)環(huan)境(jing))使用(yong),空氣(qi)中的塵埃和鹽(yan)分(fen),都會對(dui)主(zhu)板造成腐蝕,影響主(zhu)板的正常使用(yong),因(yin)(yin)此很多(duo)工(gong)控(kong)機(ji)有必要(yao)采用(yong)無風扇的機(ji)箱結構(gou),防止惡(e)劣環(huan)境(jing)對(dui)系(xi)統(tong)造成傷(shang)害。但是全密封無風扇的結構(gou),因(yin)(yin)為熱源的互相干擾,對(dui)主(zhu)板的性(xing)能和穩(wen)定性(xing)的要(yao)求比較高,對(dui)機(ji)構(gou)的散(san)(san)熱方(fang)式和散(san)(san)熱效(xiao)能的要(yao)求很高,務(wu)必要(yao)將積熱有效(xiao)散(san)(san)發出(chu)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:
商用主板:
商(shang)用主板由(you)于其更新(xin)換(huan)代(dai)的(de)(de)(de)速度比較快,且對(dui)產品的(de)(de)(de)穩定性(xing)及(ji)使(shi)用環境的(de)(de)(de)要求(qiu)比較低,故此(ci)追(zhui)求(qiu)的(de)(de)(de)是(shi)(shi)產品的(de)(de)(de)時效性(xing),以(yi)及(ji)本身(shen)產品的(de)(de)(de)市場(chang)定位,對(dui)元(yuan)(yuan)器(qi)件選擇要求(qiu)上一般(ban)只需滿足(zu)系(xi)統運行(xing)2到3年的(de)(de)(de)使(shi)用壽命(ming)即可(3年之后大部分已(yi)經更新(xin)換(huan)代(dai)了),元(yuan)(yuan)器(qi)件的(de)(de)(de)用料(liao)上使(shi)用普(pu)通級別的(de)(de)(de)就可以(yi)了。例如電容,商(shang)用主板都是(shi)(shi)大量使(shi)用普(pu)通的(de)(de)(de)電解電容,一是(shi)(shi)出于商(shang)用市場(chang)產品的(de)(de)(de)使(shi)用考慮,二是(shi)(shi)為降低主板的(de)(de)(de)成(cheng)本考慮。
工控主(zhu)板:
1)工控主板的(de)元器件(jian)
工控(kong)主(zhu)板(ban)選料會選用經過長時(shi)間,高要(yao)(yao)(yao)求驗(yan)證元器件,用以保證產品在惡(e)劣(lie)條(tiao)件下高可靠性(xing)要(yao)(yao)(yao)求。例(li)如工控(kong)主(zhu)板(ban)的元器件需(xu)要(yao)(yao)(yao)適應寬溫環(huan)(huan)境(-20℃~60℃),如固態電(dian)容器,保證在惡(e)劣(lie)環(huan)(huan)境下(壽命期內永(yong)久開機(ji)、氣候惡(e)劣(lie)、潮濕(shi)、振動、多塵、輻射(she)、高溫等(deng)等(deng))正常工作;主(zhu)板(ban)元器件需(xu)要(yao)(yao)(yao)耐高溫、抗潮濕(shi)等(deng)等(deng)。
2)工控主(zhu)板的(de)電容
工控(kong)主(zhu)板(ban)采用(yong)的(de)(de)是(shi)(shi)高質量的(de)(de)貼(tie)片(pian)式的(de)(de)固態(tai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)、鉭、陶(tao)瓷(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),即使(shi)使(shi)用(yong)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),對其品質、性(xing)能及(ji)壽命要求也遠高于商(shang)(shang)用(yong)產品,現(xian)在的(de)(de)工控(kong)主(zhu)板(ban)都(dou)(dou)基(ji)本(ben)上(shang)(shang)采用(yong)固態(tai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),特別(bie)中高端的(de)(de)工控(kong)主(zhu)板(ban)。商(shang)(shang)用(yong)主(zhu)板(ban)基(ji)本(ben)都(dou)(dou)是(shi)(shi)大量采用(yong)針(zhen)腳式的(de)(de)大電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),因(yin)為大電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)成本(ben)低(di)、容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)值大一個(ge)可以頂(ding)多個(ge)貼(tie)片(pian)或坦電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)。從性(xing)質來說,電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)穩定性(xing)不及(ji)鉭電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)、陶(tao)瓷(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)高,壽命不及(ji)它們長,耐高溫程(cheng)度不及(ji)它們好(hao)。貼(tie)片(pian)式電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)比(bi)針(zhen)腳式電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)更(geng)加穩定。從價格上(shang)(shang),鉭電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)比(bi)普通的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)要貴,且(qie)由于鉭電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)量較小,使(shi)用(yong)在主(zhu)板(ban)上(shang)(shang)時(shi),需要使(shi)用(yong)更(geng)多數量的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),單單鉭電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)成本(ben)就是(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)幾十倍,這也是(shi)(shi)導致(zhi)工控(kong)主(zhu)板(ban)比(bi)商(shang)(shang)用(yong)主(zhu)板(ban)成本(ben)價格高的(de)(de)原因(yin)之一。隨著(zhu)國產固態(tai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)器廠家(jia)越來越多,固態(tai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)器的(de)(de)價格的(de)(de)下降,現(xian)在的(de)(de)高檔次的(de)(de)商(shang)(shang)用(yong)主(zhu)板(ban)都(dou)(dou)在使(shi)用(yong)固態(tai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)器。
3)工控(kong)主板的PCB
商用主板(ban)采用的(de)(de)(de)是(shi)4層(ceng)(ceng)(ceng)PCB設計(ji),一般(ban)的(de)(de)(de)PCB線路板(ban)分(fen)有四(si)層(ceng)(ceng)(ceng),最(zui)上和最(zui)下的(de)(de)(de)兩層(ceng)(ceng)(ceng)是(shi)信號層(ceng)(ceng)(ceng),中間兩層(ceng)(ceng)(ceng)是(shi)接(jie)地層(ceng)(ceng)(ceng)和電源層(ceng)(ceng)(ceng),將接(jie)地和電源層(ceng)(ceng)(ceng)放在中間。工業主板(ban)采用的(de)(de)(de)是(shi)6層(ceng)(ceng)(ceng)以(yi)上PCB線路板(ban)設計(ji),其設計(ji)是(shi)為了加強(qiang)主板(ban)的(de)(de)(de)抗電磁干擾、電磁兼容能力,增強(qiang)主板(ban)的(de)(de)(de)穩定性等等。
4)工控主(zhu)板(ban)的壽命
與商用(yong)(yong)(yong)主板(ban)2到3年(nian)使用(yong)(yong)(yong)壽(shou)命(ming)不同(tong),大多數(shu)的工控主板(ban)壽(shou)命(ming)要求在3年(nian)以上,部分(fen)高品質的工控主板(ban),使用(yong)(yong)(yong)壽(shou)命(ming)甚至達到5—7年(nian)。
一、保護功能
商用主板沒有提供的任何的保護功能;
工控主板通過(guo)特殊設計,在遇(yu)到(dao)死(si)機等異常(chang)情況(kuang),可以實現看門狗自動重新啟(qi)動、防浪(lang)涌沖擊等功能,全(quan)力的(de)保證系統在惡(e)劣環境的(de)高穩定性的(de)要求。
二、工作溫度與散熱方式
商用(yong)(yong)主板(ban)基本只能在(zai)5℃~38℃之間(jian)的環境溫度中使用(yong)(yong),對機構的散熱要(yao)求低,講究外觀夠(gou)炫夠(gou)酷(ku)。
工(gong)(gong)控主(zhu)(zhu)板(ban)可(ke)以在(zai)-20℃~60℃之間的(de)(de)(de)環境中穩定、無故障的(de)(de)(de)工(gong)(gong)作,甚(shen)(shen)至某些工(gong)(gong)業主(zhu)(zhu)板(ban)采(cai)用特(te)(te)殊(shu)的(de)(de)(de)寬溫設(she)(she)計,溫度范圍可(ke)達-20度~70度。這對機(ji)(ji)構(gou)的(de)(de)(de)散(san)熱方案,散(san)熱效率都是一個嚴峻的(de)(de)(de)考(kao)驗。在(zai)工(gong)(gong)控主(zhu)(zhu)板(ban)機(ji)(ji)構(gou)的(de)(de)(de)散(san)熱設(she)(she)計上,必須(xu)使用的(de)(de)(de)特(te)(te)殊(shu)散(san)熱設(she)(she)計,甚(shen)(shen)至還采(cai)用全鋁(lv)制(zhi)的(de)(de)(de)機(ji)(ji)構(gou)外殼(ke),而且對CPU、南(nan)北橋和硬盤等發熱大(da)戶,進行特(te)(te)殊(shu)處理,保(bao)證工(gong)(gong)控主(zhu)(zhu)板(ban)和整機(ji)(ji)的(de)(de)(de)正常運(yun)行。
很多(duo)工(gong)控(kong)機(ji)由于在惡(e)劣的應用(yong)環(huan)境(jing)下(例如潮濕、振動、多(duo)塵、輻(fu)射、高溫等等應用(yong)環(huan)境(jing))使用(yong),空氣(qi)中的塵埃和鹽(yan)分(fen),都會對(dui)主(zhu)板造成腐蝕,影響主(zhu)板的正常使用(yong),因(yin)(yin)此很多(duo)工(gong)控(kong)機(ji)有必要(yao)采用(yong)無風扇的機(ji)箱結構(gou),防止惡(e)劣環(huan)境(jing)對(dui)系(xi)統(tong)造成傷(shang)害。但是全密封無風扇的結構(gou),因(yin)(yin)為熱源的互相干擾,對(dui)主(zhu)板的性(xing)能和穩(wen)定性(xing)的要(yao)求比較高,對(dui)機(ji)構(gou)的散(san)(san)熱方(fang)式和散(san)(san)熱效(xiao)能的要(yao)求很高,務(wu)必要(yao)將積熱有效(xiao)散(san)(san)發出(chu)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:
商用主板:
商(shang)用主板由(you)于其更新(xin)換(huan)代(dai)的(de)(de)(de)速度比較快,且對(dui)產品的(de)(de)(de)穩定性(xing)及(ji)使(shi)用環境的(de)(de)(de)要求(qiu)比較低,故此(ci)追(zhui)求(qiu)的(de)(de)(de)是(shi)(shi)產品的(de)(de)(de)時效性(xing),以(yi)及(ji)本身(shen)產品的(de)(de)(de)市場(chang)定位,對(dui)元(yuan)(yuan)器(qi)件選擇要求(qiu)上一般(ban)只需滿足(zu)系(xi)統運行(xing)2到3年的(de)(de)(de)使(shi)用壽命(ming)即可(3年之后大部分已(yi)經更新(xin)換(huan)代(dai)了),元(yuan)(yuan)器(qi)件的(de)(de)(de)用料(liao)上使(shi)用普(pu)通級別的(de)(de)(de)就可以(yi)了。例如電容,商(shang)用主板都是(shi)(shi)大量使(shi)用普(pu)通的(de)(de)(de)電解電容,一是(shi)(shi)出于商(shang)用市場(chang)產品的(de)(de)(de)使(shi)用考慮,二是(shi)(shi)為降低主板的(de)(de)(de)成(cheng)本考慮。
工控主(zhu)板:
1)工控主板的(de)元器件(jian)
工控(kong)主(zhu)板(ban)選料會選用經過長時(shi)間,高要(yao)(yao)(yao)求驗(yan)證元器件,用以保證產品在惡(e)劣(lie)條(tiao)件下高可靠性(xing)要(yao)(yao)(yao)求。例(li)如工控(kong)主(zhu)板(ban)的元器件需(xu)要(yao)(yao)(yao)適應寬溫環(huan)(huan)境(-20℃~60℃),如固態電(dian)容器,保證在惡(e)劣(lie)環(huan)(huan)境下(壽命期內永(yong)久開機(ji)、氣候惡(e)劣(lie)、潮濕(shi)、振動、多塵、輻射(she)、高溫等(deng)等(deng))正常工作;主(zhu)板(ban)元器件需(xu)要(yao)(yao)(yao)耐高溫、抗潮濕(shi)等(deng)等(deng)。
2)工控主(zhu)板的(de)電容
工控(kong)主(zhu)板(ban)采用(yong)的(de)(de)是(shi)(shi)高質量的(de)(de)貼(tie)片(pian)式的(de)(de)固態(tai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)、鉭、陶(tao)瓷(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),即使(shi)使(shi)用(yong)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),對其品質、性(xing)能及(ji)壽命要求也遠高于商(shang)(shang)用(yong)產品,現(xian)在的(de)(de)工控(kong)主(zhu)板(ban)都(dou)(dou)基(ji)本(ben)上(shang)(shang)采用(yong)固態(tai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),特別(bie)中高端的(de)(de)工控(kong)主(zhu)板(ban)。商(shang)(shang)用(yong)主(zhu)板(ban)基(ji)本(ben)都(dou)(dou)是(shi)(shi)大量采用(yong)針(zhen)腳式的(de)(de)大電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),因(yin)為大電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)成本(ben)低(di)、容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)值大一個(ge)可以頂(ding)多個(ge)貼(tie)片(pian)或坦電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)。從性(xing)質來說,電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)穩定性(xing)不及(ji)鉭電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)、陶(tao)瓷(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)高,壽命不及(ji)它們長,耐高溫程(cheng)度不及(ji)它們好(hao)。貼(tie)片(pian)式電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)比(bi)針(zhen)腳式電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)更(geng)加穩定。從價格上(shang)(shang),鉭電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)比(bi)普通的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)要貴,且(qie)由于鉭電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)量較小,使(shi)用(yong)在主(zhu)板(ban)上(shang)(shang)時(shi),需要使(shi)用(yong)更(geng)多數量的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),單單鉭電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)成本(ben)就是(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)幾十倍,這也是(shi)(shi)導致(zhi)工控(kong)主(zhu)板(ban)比(bi)商(shang)(shang)用(yong)主(zhu)板(ban)成本(ben)價格高的(de)(de)原因(yin)之一。隨著(zhu)國產固態(tai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)器廠家(jia)越來越多,固態(tai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)器的(de)(de)價格的(de)(de)下降,現(xian)在的(de)(de)高檔次的(de)(de)商(shang)(shang)用(yong)主(zhu)板(ban)都(dou)(dou)在使(shi)用(yong)固態(tai)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)器。
3)工控(kong)主板的PCB
商用主板(ban)采用的(de)(de)(de)是(shi)4層(ceng)(ceng)(ceng)PCB設計(ji),一般(ban)的(de)(de)(de)PCB線路板(ban)分(fen)有四(si)層(ceng)(ceng)(ceng),最(zui)上和最(zui)下的(de)(de)(de)兩層(ceng)(ceng)(ceng)是(shi)信號層(ceng)(ceng)(ceng),中間兩層(ceng)(ceng)(ceng)是(shi)接(jie)地層(ceng)(ceng)(ceng)和電源層(ceng)(ceng)(ceng),將接(jie)地和電源層(ceng)(ceng)(ceng)放在中間。工業主板(ban)采用的(de)(de)(de)是(shi)6層(ceng)(ceng)(ceng)以(yi)上PCB線路板(ban)設計(ji),其設計(ji)是(shi)為了加強(qiang)主板(ban)的(de)(de)(de)抗電磁干擾、電磁兼容能力,增強(qiang)主板(ban)的(de)(de)(de)穩定性等等。
4)工控主(zhu)板(ban)的壽命
與商用(yong)(yong)(yong)主板(ban)2到3年(nian)使用(yong)(yong)(yong)壽(shou)命(ming)不同(tong),大多數(shu)的工控主板(ban)壽(shou)命(ming)要求在3年(nian)以上,部分(fen)高品質的工控主板(ban),使用(yong)(yong)(yong)壽(shou)命(ming)甚至達到5—7年(nian)。