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:污污草莓視頻:深圳市澤創偉業科技有限公司
為什(shen)么工(gong)控主(zhu)(zhu)板(ban)的價格比商用(yong)主(zhu)(zhu)板(ban)高?工(gong)控主(zhu)(zhu)板(ban)相對(dui)商用(yong)主(zhu)(zhu)板(ban)好在哪?相信很多用(yong)戶朋(peng)友(you)都有這個疑(yi)問,下面(mian)我們就從主(zhu)(zhu)板(ban)元器(qi)件的用(yong)料(liao)與(yu)設計方面(mian)分析(xi)下:
商用(yong)主板:
商(shang)(shang)用(yong)主板由于其更新換(huan)代的(de)(de)速度比(bi)較(jiao)快,且對產(chan)品(pin)的(de)(de)穩(wen)定性及(ji)使用(yong)環境(jing)的(de)(de)要求(qiu)比(bi)較(jiao)低(di),故(gu)此(ci)追求(qiu)的(de)(de)是產(chan)品(pin)的(de)(de)時效性,以及(ji)本身(shen)產(chan)品(pin)的(de)(de)市場定位,對元(yuan)器件(jian)選擇(ze)要求(qiu)上一般只(zhi)需滿足系統運行2到3年(nian)的(de)(de)使用(yong)壽命即可(3年(nian)之后大部(bu)分已經更新換(huan)代了(le)),元(yuan)器件(jian)的(de)(de)用(yong)料上使用(yong)普通級(ji)別的(de)(de)就可以了(le)。例如電(dian)容(rong),商(shang)(shang)用(yong)主板都是大量使用(yong)普通的(de)(de)電(dian)解電(dian)容(rong),一是出于商(shang)(shang)用(yong)市場產(chan)品(pin)的(de)(de)使用(yong)考慮,二是為降低(di)主板的(de)(de)成本考慮。
工(gong)控主板:
1)工控主板的(de)元器(qi)件
工控主板選料(liao)會選用經過(guo)長時(shi)間,高要求(qiu)驗證(zheng)(zheng)元器件(jian),用以保證(zheng)(zheng)產品(pin)在惡(e)劣(lie)條件(jian)下(xia)高可靠性要求(qiu)。例如工控主(zhu)板(ban)的元器件(jian)需要適應寬溫(wen)(wen)環境(-20℃~60℃),如固態電容器,保證(zheng)(zheng)在惡(e)劣(lie)環境下(xia)(壽命期(qi)內永久開機(ji)、氣候惡(e)劣(lie)、潮濕、振動、多塵、輻射、高溫(wen)(wen)等(deng)等(deng))正常工作;主(zhu)板(ban)元器件(jian)需要耐(nai)高溫(wen)(wen)、抗潮濕等(deng)等(deng)。
2)工控(kong)主(zhu)板的電容
工控主(zhu)(zhu)(zhu)(zhu)板(ban)(ban)采用(yong)(yong)的(de)(de)是(shi)(shi)高質量(liang)的(de)(de)貼(tie)(tie)片式(shi)的(de)(de)固態電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)、鉭(tan)、陶(tao)瓷電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),即使(shi)(shi)使(shi)(shi)用(yong)(yong)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),對其品(pin)(pin)質、性能及(ji)(ji)壽命要(yao)求也遠高于商(shang)(shang)用(yong)(yong)產(chan)品(pin)(pin),現在的(de)(de)工控主(zhu)(zhu)(zhu)(zhu)板(ban)(ban)都(dou)基(ji)本(ben)上采用(yong)(yong)固態電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),特別中高端(duan)的(de)(de)工控主(zhu)(zhu)(zhu)(zhu)板(ban)(ban)。商(shang)(shang)用(yong)(yong)主(zhu)(zhu)(zhu)(zhu)板(ban)(ban)基(ji)本(ben)都(dou)是(shi)(shi)大量(liang)采用(yong)(yong)針(zhen)腳(jiao)式(shi)的(de)(de)大電(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),因為大電(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)成本(ben)低、容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)值(zhi)大一個(ge)(ge)可以頂多個(ge)(ge)貼(tie)(tie)片或坦電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)。從(cong)性質來說,電(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)穩定性不(bu)及(ji)(ji)鉭(tan)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)、陶(tao)瓷電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)高,壽命不(bu)及(ji)(ji)它們長(chang),耐高溫程(cheng)度不(bu)及(ji)(ji)它們好。貼(tie)(tie)片式(shi)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)比針(zhen)腳(jiao)式(shi)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)更加穩定。從(cong)價格上,鉭(tan)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)比普通的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)要(yao)貴,且(qie)由(you)于鉭(tan)電(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)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)量(liang)較(jiao)小,使(shi)(shi)用(yong)(yong)在主(zhu)(zhu)(zhu)(zhu)板(ban)(ban)上時,需要(yao)使(shi)(shi)用(yong)(yong)更多數量(liang)的(de)(de)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong),單(dan)單(dan)鉭(tan)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)成本(ben)就(jiu)是(shi)(shi)電(dian)(dian)(dian)(dian)(dian)(dian)解(jie)(jie)電(dian)(dian)(dian)(dian)(dian)(dian)容(rong)(rong)(rong)(rong)(rong)(rong)(rong)(rong)的(de)(de)幾十倍,這(zhe)也是(shi)(shi)導致工控主(zhu)(zhu)(zhu)(zhu)板(ban)(ban)比商(shang)(shang)用(yong)(yong)主(zhu)(zhu)(zhu)(zhu)板(ban)(ban)成本(ben)價格高的(de)(de)原(yuan)因之一。
3)工控主板(ban)的PCB
商用(yong)主(zhu)(zhu)板采用(yong)的(de)(de)(de)是4層PCB設計,一般的(de)(de)(de)PCB線路板分有四(si)層,最上和(he)最下的(de)(de)(de)兩(liang)層是信號層,中間(jian)兩(liang)層是接地層和(he)電源(yuan)層,將接地和(he)電源(yuan)層放在中間(jian)。工業主(zhu)(zhu)板采用(yong)的(de)(de)(de)是6層以(yi)上PCB線路板設計,其(qi)設計是為了加強主(zhu)(zhu)板的(de)(de)(de)抗電磁干擾、電磁兼容能力,增(zeng)強主(zhu)(zhu)板的(de)(de)(de)穩定性等(deng)等(deng)。
4)工控主板(ban)的壽(shou)命
與商用(yong)主板2到3年(nian)使用(yong)壽命不(bu)同,大多數(shu)的(de)工控主板壽命要(yao)求在3年(nian)以上(shang),部分高(gao)品質的(de)工控主板,使用(yong)壽命甚至達到5—7年(nian)。
下一篇:污污草莓視頻:工控主板的發展方向