您當前的位置:首頁 > 新聞資訊 > 行業新聞行業新聞
為什么工控主板的價格比商用主板高?
2016-09-25 14:06:19 新聞來源:黃瓜視頻APP在線下載:深圳市澤創偉業科技有限公司
為什(shen)么工控主(zhu)板(ban)(ban)(ban)的(de)價格(ge)比商(shang)用(yong)主(zhu)板(ban)(ban)(ban)高(gao)?工控主(zhu)板(ban)(ban)(ban)相(xiang)對商(shang)用(yong)主(zhu)板(ban)(ban)(ban)好(hao)在(zai)哪?相(xiang)信很多用(yong)戶朋友(you)都有這個疑問,下面我們就(jiu)從主(zhu)板(ban)(ban)(ban)元器件的(de)用(yong)料(liao)與設計方面分析下:
商用主板:
商(shang)用(yong)(yong)(yong)(yong)主板由(you)于(yu)(yu)其更(geng)新換(huan)(huan)代的(de)(de)速(su)度比較快,且(qie)對產品的(de)(de)穩定性及(ji)使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)環境(jing)的(de)(de)要求(qiu)比較低,故此追求(qiu)的(de)(de)是產品的(de)(de)時(shi)效性,以(yi)(yi)及(ji)本身產品的(de)(de)市(shi)場定位,對元(yuan)器(qi)件選擇要求(qiu)上一般只需滿足系統運行(xing)2到3年(nian)的(de)(de)使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)壽命即可(3年(nian)之后大部(bu)分已經更(geng)新換(huan)(huan)代了(le)),元(yuan)器(qi)件的(de)(de)用(yong)(yong)(yong)(yong)料上使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)普通級別的(de)(de)就可以(yi)(yi)了(le)。例如電(dian)容(rong),商(shang)用(yong)(yong)(yong)(yong)主板都是大量使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)普通的(de)(de)電(dian)解(jie)電(dian)容(rong),一是出于(yu)(yu)商(shang)用(yong)(yong)(yong)(yong)市(shi)場產品的(de)(de)使(shi)(shi)(shi)用(yong)(yong)(yong)(yong)考(kao)慮,二是為(wei)降低主板的(de)(de)成本考(kao)慮。
工控主板:
1)工控主板的元器件
工控主板選料會選用(yong)經過長時(shi)間,高要求(qiu)(qiu)驗證元(yuan)器件,用(yong)以保證產(chan)品在(zai)惡(e)劣(lie)條件下高可靠(kao)性(xing)要求(qiu)(qiu)。例如工(gong)(gong)控主板的元(yuan)器件需要適應寬溫環境(-20℃~60℃),如固態(tai)電容器,保證在(zai)惡(e)劣(lie)環境下(壽命(ming)期內永久(jiu)開機、氣候惡(e)劣(lie)、潮濕(shi)、振(zhen)動、多塵、輻(fu)射、高溫等(deng)等(deng))正常工(gong)(gong)作;主板元(yuan)器件需要耐高溫、抗潮濕(shi)等(deng)等(deng)。
2)工(gong)控主板的電容
工控(kong)(kong)主(zhu)(zhu)(zhu)(zhu)板(ban)(ban)(ban)采(cai)用(yong)(yong)(yong)的(de)(de)(de)(de)是(shi)(shi)高(gao)質量的(de)(de)(de)(de)貼片(pian)(pian)式的(de)(de)(de)(de)固(gu)態電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)、鉭、陶瓷(ci)電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong),即使(shi)(shi)使(shi)(shi)用(yong)(yong)(yong)的(de)(de)(de)(de)電(dian)(dian)(dian)解電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong),對其品質、性(xing)能及(ji)(ji)壽命要求也遠高(gao)于商用(yong)(yong)(yong)產(chan)品,現在(zai)的(de)(de)(de)(de)工控(kong)(kong)主(zhu)(zhu)(zhu)(zhu)板(ban)(ban)(ban)都基(ji)(ji)本(ben)上(shang)采(cai)用(yong)(yong)(yong)固(gu)態電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong),特別中高(gao)端的(de)(de)(de)(de)工控(kong)(kong)主(zhu)(zhu)(zhu)(zhu)板(ban)(ban)(ban)。商用(yong)(yong)(yong)主(zhu)(zhu)(zhu)(zhu)板(ban)(ban)(ban)基(ji)(ji)本(ben)都是(shi)(shi)大(da)(da)(da)量采(cai)用(yong)(yong)(yong)針腳(jiao)式的(de)(de)(de)(de)大(da)(da)(da)電(dian)(dian)(dian)解電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong),因為大(da)(da)(da)電(dian)(dian)(dian)解電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)成(cheng)本(ben)低、容(rong)(rong)(rong)(rong)(rong)(rong)值大(da)(da)(da)一個可以頂多個貼片(pian)(pian)或坦電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)。從性(xing)質來(lai)說(shuo),電(dian)(dian)(dian)解電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)穩定性(xing)不(bu)及(ji)(ji)鉭電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)、陶瓷(ci)電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)高(gao),壽命不(bu)及(ji)(ji)它們(men)長,耐高(gao)溫程度不(bu)及(ji)(ji)它們(men)好。貼片(pian)(pian)式電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)比針腳(jiao)式電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)更(geng)加穩定。從價格上(shang),鉭電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)比普(pu)通的(de)(de)(de)(de)電(dian)(dian)(dian)解電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)要貴,且由于鉭電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)(de)(de)電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)量較小,使(shi)(shi)用(yong)(yong)(yong)在(zai)主(zhu)(zhu)(zhu)(zhu)板(ban)(ban)(ban)上(shang)時(shi),需要使(shi)(shi)用(yong)(yong)(yong)更(geng)多數量的(de)(de)(de)(de)電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong),單(dan)單(dan)鉭電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)(de)(de)成(cheng)本(ben)就(jiu)是(shi)(shi)電(dian)(dian)(dian)解電(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)(de)(de)幾(ji)十倍(bei),這也是(shi)(shi)導致工控(kong)(kong)主(zhu)(zhu)(zhu)(zhu)板(ban)(ban)(ban)比商用(yong)(yong)(yong)主(zhu)(zhu)(zhu)(zhu)板(ban)(ban)(ban)成(cheng)本(ben)價格高(gao)的(de)(de)(de)(de)原(yuan)因之一。
3)工(gong)控(kong)主(zhu)板(ban)的(de)PCB
商用(yong)(yong)主(zhu)(zhu)板(ban)(ban)(ban)采用(yong)(yong)的(de)是4層(ceng)(ceng)(ceng)PCB設計,一般的(de)PCB線(xian)路(lu)板(ban)(ban)(ban)分(fen)有四層(ceng)(ceng)(ceng),最上和(he)最下的(de)兩層(ceng)(ceng)(ceng)是信號(hao)層(ceng)(ceng)(ceng),中間兩層(ceng)(ceng)(ceng)是接地層(ceng)(ceng)(ceng)和(he)電(dian)源(yuan)層(ceng)(ceng)(ceng),將接地和(he)電(dian)源(yuan)層(ceng)(ceng)(ceng)放在(zai)中間。工業主(zhu)(zhu)板(ban)(ban)(ban)采用(yong)(yong)的(de)是6層(ceng)(ceng)(ceng)以上PCB線(xian)路(lu)板(ban)(ban)(ban)設計,其設計是為了加強主(zhu)(zhu)板(ban)(ban)(ban)的(de)抗電(dian)磁干擾、電(dian)磁兼容能力,增強主(zhu)(zhu)板(ban)(ban)(ban)的(de)穩定性等(deng)等(deng)。
4)工控(kong)主板的壽命
與商(shang)用主板(ban)2到3年使(shi)用壽(shou)(shou)命不同,大多數的(de)工控(kong)主板(ban)壽(shou)(shou)命要(yao)求在3年以(yi)上,部分高品質(zhi)的(de)工控(kong)主板(ban),使(shi)用壽(shou)(shou)命甚至達到5—7年。