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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:驚爆草莓污視頻:深圳市澤創偉業科技有限公司
為什么(me)工控(kong)主板的價格比商(shang)用主板高?相(xiang)信(xin)很多用戶朋友都(dou)有這個疑問,下面澤創(chuang)偉(wei)業小(xiao)編就來給大(da)家分析下。
一、保護功能
商用主板沒有(you)提供的任何的保護功能(neng);
工控(kong)主板通(tong)過特(te)殊設計,在遇到死機(ji)等異(yi)常情況(kuang),可以(yi)實現(xian)看(kan)門狗自動重新啟動、防浪涌沖(chong)擊等功(gong)能,全力(li)的保證系統在惡劣(lie)環境(jing)的高穩定性(xing)的要求。
二、工作溫度與散熱方式
商用主板基(ji)本只能在5℃~38℃之間的環境溫(wen)度(du)中使用,對機構的散熱要求低,講究(jiu)外(wai)觀(guan)夠(gou)炫(xuan)夠(gou)酷(ku)。
工(gong)(gong)控(kong)(kong)主(zhu)板可(ke)以在-20℃~60℃之間的(de)(de)(de)(de)環境中穩定、無故障(zhang)的(de)(de)(de)(de)工(gong)(gong)作,甚(shen)至某些工(gong)(gong)業主(zhu)板采用(yong)特殊的(de)(de)(de)(de)寬溫(wen)設(she)計(ji),溫(wen)度(du)范圍可(ke)達-20度(du)~70度(du)。這對機(ji)(ji)構的(de)(de)(de)(de)散熱(re)方案,散熱(re)效率都是一個(ge)嚴峻的(de)(de)(de)(de)考(kao)驗。在工(gong)(gong)控(kong)(kong)主(zhu)板機(ji)(ji)構的(de)(de)(de)(de)散熱(re)設(she)計(ji)上,必須使用(yong)的(de)(de)(de)(de)特殊散熱(re)設(she)計(ji),甚(shen)至還(huan)采用(yong)全鋁(lv)制的(de)(de)(de)(de)機(ji)(ji)構外殼,而(er)且對CPU、南(nan)北(bei)橋和硬盤等發熱(re)大戶,進行特殊處理,保證(zheng)工(gong)(gong)控(kong)(kong)主(zhu)板和整機(ji)(ji)的(de)(de)(de)(de)正常運行。
很(hen)多工控(kong)機由于在惡劣的(de)(de)應用(yong)環(huan)境(jing)下(xia)(例如潮濕、振動、多塵(chen)、輻射、高(gao)溫等等應用(yong)環(huan)境(jing))使用(yong),空氣中的(de)(de)塵(chen)埃和(he)鹽分,都會對(dui)(dui)主(zhu)板(ban)造(zao)成腐蝕,影響主(zhu)板(ban)的(de)(de)正常使用(yong),因此很(hen)多工控(kong)機有必(bi)要采用(yong)無(wu)(wu)風(feng)(feng)扇的(de)(de)機箱(xiang)結構,防止惡劣環(huan)境(jing)對(dui)(dui)系統(tong)造(zao)成傷害。但是全密封無(wu)(wu)風(feng)(feng)扇的(de)(de)結構,因為(wei)熱(re)源的(de)(de)互(hu)相干擾(rao),對(dui)(dui)主(zhu)板(ban)的(de)(de)性能和(he)穩定性的(de)(de)要求比較高(gao),對(dui)(dui)機構的(de)(de)散熱(re)方式和(he)散熱(re)效(xiao)能的(de)(de)要求很(hen)高(gao),務必(bi)要將積熱(re)有效(xiao)散發出去。
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:
商用主板:
商(shang)用(yong)主(zhu)板(ban)由于其(qi)更新換(huan)代的速度比(bi)較快,且對(dui)產(chan)品(pin)的穩(wen)定性(xing)(xing)及(ji)使用(yong)環境的要求比(bi)較低,故此追求的是(shi)(shi)產(chan)品(pin)的時效性(xing)(xing),以(yi)及(ji)本身產(chan)品(pin)的市場(chang)定位,對(dui)元(yuan)器(qi)件選(xuan)擇要求上一般只需(xu)滿足系(xi)統運行2到3年的使用(yong)壽命即可(3年之后大部(bu)分已(yi)經更新換(huan)代了(le)),元(yuan)器(qi)件的用(yong)料上使用(yong)普(pu)通級別的就可以(yi)了(le)。例(li)如電容,商(shang)用(yong)主(zhu)板(ban)都是(shi)(shi)大量使用(yong)普(pu)通的電解電容,一是(shi)(shi)出于商(shang)用(yong)市場(chang)產(chan)品(pin)的使用(yong)考(kao)慮,二是(shi)(shi)為降低主(zhu)板(ban)的成本考(kao)慮。
工控主板(ban):
1)工控主(zhu)板的元器件
工控主板選(xuan)料會選(xuan)用(yong)經過長時間(jian),高(gao)要求驗(yan)證元(yuan)器(qi)(qi)件,用(yong)以保證產品在(zai)惡劣條件下高(gao)可靠性要求。例如(ru)工控主板的元(yuan)器(qi)(qi)件需(xu)要適應寬溫環(huan)境(-20℃~60℃),如(ru)固態電容器(qi)(qi),保證在(zai)惡劣環(huan)境下(壽命期內(nei)永(yong)久開機、氣候惡劣、潮濕(shi)、振動(dong)、多塵、輻射、高(gao)溫等等)正常(chang)工作;主板元(yuan)器(qi)(qi)件需(xu)要耐(nai)高(gao)溫、抗潮濕(shi)等等。
2)工控主板的電容
工(gong)控主(zhu)(zhu)(zhu)板(ban)采(cai)用(yong)(yong)的(de)(de)(de)(de)(de)是(shi)高質(zhi)量(liang)的(de)(de)(de)(de)(de)貼片式(shi)(shi)(shi)的(de)(de)(de)(de)(de)固(gu)(gu)態電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)、鉭(tan)(tan)(tan)、陶(tao)瓷(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),即(ji)使(shi)(shi)使(shi)(shi)用(yong)(yong)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),對其(qi)品(pin)質(zhi)、性能及壽命要求也遠高于商用(yong)(yong)產品(pin),現(xian)(xian)在(zai)的(de)(de)(de)(de)(de)工(gong)控主(zhu)(zhu)(zhu)板(ban)都基本上(shang)采(cai)用(yong)(yong)固(gu)(gu)態電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),特別中高端的(de)(de)(de)(de)(de)工(gong)控主(zhu)(zhu)(zhu)板(ban)。商用(yong)(yong)主(zhu)(zhu)(zhu)板(ban)基本都是(shi)大(da)量(liang)采(cai)用(yong)(yong)針腳式(shi)(shi)(shi)的(de)(de)(de)(de)(de)大(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),因為大(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)成本低、容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)值大(da)一個可以頂多(duo)個貼片或坦電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)。從(cong)性質(zhi)來說,電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)穩定性不及鉭(tan)(tan)(tan)電(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)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)高,壽命不及它們長,耐高溫程度不及它們好。貼片式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)比針腳式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)更加(jia)穩定。從(cong)價格(ge)上(shang),鉭(tan)(tan)(tan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)比普通的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)要貴,且(qie)由于鉭(tan)(tan)(tan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)量(liang)較小(xiao),使(shi)(shi)用(yong)(yong)在(zai)主(zhu)(zhu)(zhu)板(ban)上(shang)時,需要使(shi)(shi)用(yong)(yong)更多(duo)數量(liang)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),單單鉭(tan)(tan)(tan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)(de)(de)(de)成本就是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)(de)(de)(de)幾(ji)十倍,這也是(shi)導(dao)致工(gong)控主(zhu)(zhu)(zhu)板(ban)比商用(yong)(yong)主(zhu)(zhu)(zhu)板(ban)成本價格(ge)高的(de)(de)(de)(de)(de)原因之(zhi)一。隨著國產固(gu)(gu)態電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)器(qi)廠家越來越多(duo),固(gu)(gu)態電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)器(qi)的(de)(de)(de)(de)(de)價格(ge)的(de)(de)(de)(de)(de)下降,現(xian)(xian)在(zai)的(de)(de)(de)(de)(de)高檔次的(de)(de)(de)(de)(de)商用(yong)(yong)主(zhu)(zhu)(zhu)板(ban)都在(zai)使(shi)(shi)用(yong)(yong)固(gu)(gu)態電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)器(qi)。
3)工控主板的PCB
商(shang)用主(zhu)板(ban)采用的(de)(de)是4層(ceng)(ceng)PCB設計(ji),一般的(de)(de)PCB線路(lu)板(ban)分有四(si)層(ceng)(ceng),最上(shang)和(he)最下(xia)的(de)(de)兩層(ceng)(ceng)是信(xin)號(hao)層(ceng)(ceng),中(zhong)間(jian)兩層(ceng)(ceng)是接地(di)層(ceng)(ceng)和(he)電(dian)(dian)源層(ceng)(ceng),將接地(di)和(he)電(dian)(dian)源層(ceng)(ceng)放在中(zhong)間(jian)。工業主(zhu)板(ban)采用的(de)(de)是6層(ceng)(ceng)以上(shang)PCB線路(lu)板(ban)設計(ji),其(qi)設計(ji)是為了加強(qiang)主(zhu)板(ban)的(de)(de)抗電(dian)(dian)磁干擾、電(dian)(dian)磁兼容能力,增強(qiang)主(zhu)板(ban)的(de)(de)穩定(ding)性等等。
4)工控(kong)主板的壽命
與(yu)商用(yong)主(zhu)(zhu)板(ban)2到3年(nian)使用(yong)壽(shou)命不同,大多數的(de)(de)工控主(zhu)(zhu)板(ban)壽(shou)命要求(qiu)在3年(nian)以上,部分高品質的(de)(de)工控主(zhu)(zhu)板(ban),使用(yong)壽(shou)命甚至(zhi)達到5—7年(nian)。
一、保護功能
商用主板沒有(you)提供的任何的保護功能(neng);
工控(kong)主板通(tong)過特(te)殊設計,在遇到死機(ji)等異(yi)常情況(kuang),可以(yi)實現(xian)看(kan)門狗自動重新啟動、防浪涌沖(chong)擊等功(gong)能,全力(li)的保證系統在惡劣(lie)環境(jing)的高穩定性(xing)的要求。
二、工作溫度與散熱方式
商用主板基(ji)本只能在5℃~38℃之間的環境溫(wen)度(du)中使用,對機構的散熱要求低,講究(jiu)外(wai)觀(guan)夠(gou)炫(xuan)夠(gou)酷(ku)。
工(gong)(gong)控(kong)(kong)主(zhu)板可(ke)以在-20℃~60℃之間的(de)(de)(de)(de)環境中穩定、無故障(zhang)的(de)(de)(de)(de)工(gong)(gong)作,甚(shen)至某些工(gong)(gong)業主(zhu)板采用(yong)特殊的(de)(de)(de)(de)寬溫(wen)設(she)計(ji),溫(wen)度(du)范圍可(ke)達-20度(du)~70度(du)。這對機(ji)(ji)構的(de)(de)(de)(de)散熱(re)方案,散熱(re)效率都是一個(ge)嚴峻的(de)(de)(de)(de)考(kao)驗。在工(gong)(gong)控(kong)(kong)主(zhu)板機(ji)(ji)構的(de)(de)(de)(de)散熱(re)設(she)計(ji)上,必須使用(yong)的(de)(de)(de)(de)特殊散熱(re)設(she)計(ji),甚(shen)至還(huan)采用(yong)全鋁(lv)制的(de)(de)(de)(de)機(ji)(ji)構外殼,而(er)且對CPU、南(nan)北(bei)橋和硬盤等發熱(re)大戶,進行特殊處理,保證(zheng)工(gong)(gong)控(kong)(kong)主(zhu)板和整機(ji)(ji)的(de)(de)(de)(de)正常運行。
很(hen)多工控(kong)機由于在惡劣的(de)(de)應用(yong)環(huan)境(jing)下(xia)(例如潮濕、振動、多塵(chen)、輻射、高(gao)溫等等應用(yong)環(huan)境(jing))使用(yong),空氣中的(de)(de)塵(chen)埃和(he)鹽分,都會對(dui)(dui)主(zhu)板(ban)造(zao)成腐蝕,影響主(zhu)板(ban)的(de)(de)正常使用(yong),因此很(hen)多工控(kong)機有必(bi)要采用(yong)無(wu)(wu)風(feng)(feng)扇的(de)(de)機箱(xiang)結構,防止惡劣環(huan)境(jing)對(dui)(dui)系統(tong)造(zao)成傷害。但是全密封無(wu)(wu)風(feng)(feng)扇的(de)(de)結構,因為(wei)熱(re)源的(de)(de)互(hu)相干擾(rao),對(dui)(dui)主(zhu)板(ban)的(de)(de)性能和(he)穩定性的(de)(de)要求比較高(gao),對(dui)(dui)機構的(de)(de)散熱(re)方式和(he)散熱(re)效(xiao)能的(de)(de)要求很(hen)高(gao),務必(bi)要將積熱(re)有效(xiao)散發出去。
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:
商用主板:
商(shang)用(yong)主(zhu)板(ban)由于其(qi)更新換(huan)代的速度比(bi)較快,且對(dui)產(chan)品(pin)的穩(wen)定性(xing)(xing)及(ji)使用(yong)環境的要求比(bi)較低,故此追求的是(shi)(shi)產(chan)品(pin)的時效性(xing)(xing),以(yi)及(ji)本身產(chan)品(pin)的市場(chang)定位,對(dui)元(yuan)器(qi)件選(xuan)擇要求上一般只需(xu)滿足系(xi)統運行2到3年的使用(yong)壽命即可(3年之后大部(bu)分已(yi)經更新換(huan)代了(le)),元(yuan)器(qi)件的用(yong)料上使用(yong)普(pu)通級別的就可以(yi)了(le)。例(li)如電容,商(shang)用(yong)主(zhu)板(ban)都是(shi)(shi)大量使用(yong)普(pu)通的電解電容,一是(shi)(shi)出于商(shang)用(yong)市場(chang)產(chan)品(pin)的使用(yong)考(kao)慮,二是(shi)(shi)為降低主(zhu)板(ban)的成本考(kao)慮。
工控主板(ban):
1)工控主(zhu)板的元器件
工控主板選(xuan)料會選(xuan)用(yong)經過長時間(jian),高(gao)要求驗(yan)證元(yuan)器(qi)(qi)件,用(yong)以保證產品在(zai)惡劣條件下高(gao)可靠性要求。例如(ru)工控主板的元(yuan)器(qi)(qi)件需(xu)要適應寬溫環(huan)境(-20℃~60℃),如(ru)固態電容器(qi)(qi),保證在(zai)惡劣環(huan)境下(壽命期內(nei)永(yong)久開機、氣候惡劣、潮濕(shi)、振動(dong)、多塵、輻射、高(gao)溫等等)正常(chang)工作;主板元(yuan)器(qi)(qi)件需(xu)要耐(nai)高(gao)溫、抗潮濕(shi)等等。
2)工控主板的電容
工(gong)控主(zhu)(zhu)(zhu)板(ban)采(cai)用(yong)(yong)的(de)(de)(de)(de)(de)是(shi)高質(zhi)量(liang)的(de)(de)(de)(de)(de)貼片式(shi)(shi)(shi)的(de)(de)(de)(de)(de)固(gu)(gu)態電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)、鉭(tan)(tan)(tan)、陶(tao)瓷(ci)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),即(ji)使(shi)(shi)使(shi)(shi)用(yong)(yong)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),對其(qi)品(pin)質(zhi)、性能及壽命要求也遠高于商用(yong)(yong)產品(pin),現(xian)(xian)在(zai)的(de)(de)(de)(de)(de)工(gong)控主(zhu)(zhu)(zhu)板(ban)都基本上(shang)采(cai)用(yong)(yong)固(gu)(gu)態電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),特別中高端的(de)(de)(de)(de)(de)工(gong)控主(zhu)(zhu)(zhu)板(ban)。商用(yong)(yong)主(zhu)(zhu)(zhu)板(ban)基本都是(shi)大(da)量(liang)采(cai)用(yong)(yong)針腳式(shi)(shi)(shi)的(de)(de)(de)(de)(de)大(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),因為大(da)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)成本低、容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)值大(da)一個可以頂多(duo)個貼片或坦電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)。從(cong)性質(zhi)來說,電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)穩定性不及鉭(tan)(tan)(tan)電(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)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)高,壽命不及它們長,耐高溫程度不及它們好。貼片式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)比針腳式(shi)(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)更加(jia)穩定。從(cong)價格(ge)上(shang),鉭(tan)(tan)(tan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)比普通的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)要貴,且(qie)由于鉭(tan)(tan)(tan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)量(liang)較小(xiao),使(shi)(shi)用(yong)(yong)在(zai)主(zhu)(zhu)(zhu)板(ban)上(shang)時,需要使(shi)(shi)用(yong)(yong)更多(duo)數量(liang)的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),單單鉭(tan)(tan)(tan)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)(de)(de)(de)成本就是(shi)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)(de)(de)(de)幾(ji)十倍,這也是(shi)導(dao)致工(gong)控主(zhu)(zhu)(zhu)板(ban)比商用(yong)(yong)主(zhu)(zhu)(zhu)板(ban)成本價格(ge)高的(de)(de)(de)(de)(de)原因之(zhi)一。隨著國產固(gu)(gu)態電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)器(qi)廠家越來越多(duo),固(gu)(gu)態電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)器(qi)的(de)(de)(de)(de)(de)價格(ge)的(de)(de)(de)(de)(de)下降,現(xian)(xian)在(zai)的(de)(de)(de)(de)(de)高檔次的(de)(de)(de)(de)(de)商用(yong)(yong)主(zhu)(zhu)(zhu)板(ban)都在(zai)使(shi)(shi)用(yong)(yong)固(gu)(gu)態電(dian)(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)器(qi)。
3)工控主板的PCB
商(shang)用主(zhu)板(ban)采用的(de)(de)是4層(ceng)(ceng)PCB設計(ji),一般的(de)(de)PCB線路(lu)板(ban)分有四(si)層(ceng)(ceng),最上(shang)和(he)最下(xia)的(de)(de)兩層(ceng)(ceng)是信(xin)號(hao)層(ceng)(ceng),中(zhong)間(jian)兩層(ceng)(ceng)是接地(di)層(ceng)(ceng)和(he)電(dian)(dian)源層(ceng)(ceng),將接地(di)和(he)電(dian)(dian)源層(ceng)(ceng)放在中(zhong)間(jian)。工業主(zhu)板(ban)采用的(de)(de)是6層(ceng)(ceng)以上(shang)PCB線路(lu)板(ban)設計(ji),其(qi)設計(ji)是為了加強(qiang)主(zhu)板(ban)的(de)(de)抗電(dian)(dian)磁干擾、電(dian)(dian)磁兼容能力,增強(qiang)主(zhu)板(ban)的(de)(de)穩定(ding)性等等。
4)工控(kong)主板的壽命
與(yu)商用(yong)主(zhu)(zhu)板(ban)2到3年(nian)使用(yong)壽(shou)命不同,大多數的(de)(de)工控主(zhu)(zhu)板(ban)壽(shou)命要求(qiu)在3年(nian)以上,部分高品質的(de)(de)工控主(zhu)(zhu)板(ban),使用(yong)壽(shou)命甚至(zhi)達到5—7年(nian)。