校(xiao)(xiao)園數(shu)字時(shi)鐘(zhong)系(xi)(xi)統(tong)項(xiang)目(mu)案例(li)之項(xiang)目(mu)背景雄安(an)新區(qu)位(wei)于容(rong)城縣東，該項(xiang)目(mu)封閉式(shi)施工，進入(ru)(ru)內部需要通行證(zheng)，子(zi)(zi)鐘(zhong)項(xiang)目(mu)涉(she)及(ji)6個學(xue)(xue)(xue)(xue)(xue)(xue)校(xiao)(xiao)，分別有德(de)輝(hui)學(xue)(xue)(xue)(xue)(xue)(xue)校(xiao)(xiao)、興(xing)賢初級(ji)中學(xue)(xue)(xue)(xue)(xue)(xue)、紅杰初級(ji)中學(xue)(xue)(xue)(xue)(xue)(xue)、樂民小(xiao)學(xue)(xue)(xue)(xue)(xue)(xue)、悅容(rong)小(xiao)學(xue)(xue)(xue)(xue)(xue)(xue)和(he)興(xing)賢高級(ji)中學(xue)(xue)(xue)(xue)(xue)(xue)，接入(ru)(ru)網絡(luo)情況比(bi)較好的(de)(de)學(xue)(xue)(xue)(xue)(xue)(xue)校(xiao)(xiao)是德(de)輝(hui)學(xue)(xue)(xue)(xue)(xue)(xue)校(xiao)(xiao)，其次是興(xing)賢初級(ji)中學(xue)(xue)(xue)(xue)(xue)(xue)，悅容(rong)小(xiao)學(xue)(xue)(xue)(xue)(xue)(xue)和(he)興(xing)賢高級(ji)中學(xue)(xue)(xue)(xue)(xue)(xue)未(wei)(wei)進入(ru)(ru)校(xiao)(xiao)區(qu)，子(zi)(zi)鐘(zhong)接入(ru)(ru)情況很差，因原(yuan)因這6所學(xue)(xue)(xue)(xue)(xue)(xue)校(xiao)(xiao)緊急(ji)放假，并管控外人不(bu)(bu)(bu)(bu)得進入(ru)(ru)。由于學(xue)(xue)(xue)(xue)(xue)(xue)校(xiao)(xiao)著急(ji)開學(xue)(xue)(xue)(xue)(xue)(xue)，教育局領導在巡(xun)查過程(cheng)中，認(ren)為(wei)時(shi)鐘(zhong)簡(jian)單(dan)，所以開學(xue)(xue)(xue)(xue)(xue)(xue)必須要應用(yong)起(qi)來，但現(xian)場的(de)(de)交換(huan)機(ji)網絡(luo)不(bu)(bu)(bu)(bu)通，安(an)裝工人不(bu)(bu)(bu)(bu)同(tong)單(dan)位(wei)，能(neng)力不(bu)(bu)(bu)(bu)同(tong)，再加(jia)上設(she)計不(bu)(bu)(bu)(bu)同(tong)，現(xian)場系(xi)(xi)統(tong)接入(ru)(ru)情況不(bu)(bu)(bu)(bu)理想，甚至有的(de)(de)學(xue)(xue)(xue)(xue)(xue)(xue)校(xiao)(xiao)接入(ru)(ru)交換(huan)機(ji)的(de)(de)網線頭子(zi)(zi)都(dou)未(wei)(wei)做。因此，前期學(xue)(xue)(xue)(xue)(xue)(xue)校(xiao)(xiao)要求子(zi)(zi)鐘(zhong)要應用(yong)起(qi)來，加(jia)之網絡(luo)不(bu)(bu)(bu)(bu)通，升級(ji)和(he)對時(shi)需要逐(zhu)臺(tai)進行。工作量相當大。GPS子(zi)(zi)母(mu)鐘(zhong)系(xi)(xi)統(tong)具有走時(shi)精細、 操控方便(bian)、同(tong)步運(yun)行等特點，買(mai)GPS同(tong)步時(shi)鐘(zhong)系(xi)(xi)統(tong)就(jiu)找成都(dou)引眾數(shu)字設(she)備。西藏地鐵子(zi)(zi)母(mu)鐘(zhong)功能(neng)

設(she)備選型(xing)表(biao)(biao)序號(hao)名稱說明1北(bei)斗(dou)主時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)YZ-9820B母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)，2U,19英寸(cun)2GPS主時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)YZ-9820G母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)，2U,19英寸(cun)4時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)監(jian)測管(guan)理(li)系(xi)統(tong)軟(ruan)件(jian)系(xi)統(tong)5數(shu)(shu)字式(shi)子(zi)鐘(zhong)(zhong)(zhong)(zhong)表(biao)(biao)盤指(zhi)針式(shi)子(zi)鐘(zhong)(zhong)(zhong)(zhong)，配(pei)(pei)合(he)母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)使(shi)用(yong)(yong)6指(zhi)針式(shi)子(zi)鐘(zhong)(zhong)(zhong)(zhong)數(shu)(shu)碼管(guan)/LED數(shu)(shu)字式(shi)子(zi)鐘(zhong)(zhong)(zhong)(zhong)，配(pei)(pei)合(he)母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)使(shi)用(yong)(yong)7無線(xian)轉發器433MHz免(mian)申請頻(pin)段(duan)，傳輸(shu)距(ju)離(li)2000米8控制器支(zhi)持遙(yao)控器方式(shi)或(huo)墻壁(bi)嵌(qian)入(ru)式(shi)9天線(xian)及防雷模(mo)塊根(gen)據(ju)現場(chang)情(qing)況選擇(ze)(ze)配(pei)(pei)置不同(tong)(tong)長度的衛星天線(xian)設(she)備選型(xing)表(biao)(biao)序號(hao)名稱說明1北(bei)斗(dou)主時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)YZ-9820B母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)，2U,19英寸(cun)2GPS主時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)YZ-9820G母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)，2U,19英寸(cun)4時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)監(jian)測管(guan)理(li)系(xi)統(tong)軟(ruan)件(jian)系(xi)統(tong)5數(shu)(shu)字式(shi)子(zi)鐘(zhong)(zhong)(zhong)(zhong)表(biao)(biao)盤指(zhi)針式(shi)子(zi)鐘(zhong)(zhong)(zhong)(zhong)，配(pei)(pei)合(he)母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)使(shi)用(yong)(yong)6指(zhi)針式(shi)子(zi)鐘(zhong)(zhong)(zhong)(zhong)數(shu)(shu)碼管(guan)/LED數(shu)(shu)字式(shi)子(zi)鐘(zhong)(zhong)(zhong)(zhong)，配(pei)(pei)合(he)母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)使(shi)用(yong)(yong)7無線(xian)轉發器433MHz免(mian)申請頻(pin)段(duan)，傳輸(shu)距(ju)離(li)2000米8控制器支(zhi)持遙(yao)控器方式(shi)或(huo)墻壁(bi)嵌(qian)入(ru)式(shi)9天線(xian)及防雷模(mo)塊根(gen)據(ju)現場(chang)情(qing)況選擇(ze)(ze)配(pei)(pei)置不同(tong)(tong)長度的衛星天線(xian)湖南高(gao)(gao)鐵站子(zi)母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)推(tui)薦廠家成(cheng)都引眾北(bei)斗(dou)同(tong)(tong)步時(shi)(shi)鐘(zhong)(zhong)(zhong)(zhong)采用(yong)(yong)表(biao)(biao)面貼裝(zhuang)技術(shu)生產，以(yi)高(gao)(gao)速芯片(pian)進行控制，穩定性好、功(gong)能性強、性價比高(gao)(gao)等特點。

鐵路時(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)(zhong)同(tong)步(bu)(bu)(bu)系(xi)統(tong)網(wang)(wang)(wang)絡有下列(lie)功(gong)(gong)能(neng)(neng)：1.時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)同(tong)步(bu)(bu)(bu)網(wang)(wang)(wang)為各應(ying)用系(xi)統(tong)提供統(tong)一標準時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)信號(hao)(hao)(hao)。2.地面時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)同(tong)步(bu)(bu)(bu)節(jie)(jie)點具備衛(wei)星(xing)接(jie)收(shou)、地面頻(pin)率(lv)時(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)(zhong)及(ji)(ji)地面鏈路時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)輸(shu)入、本(ben)地時(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)(zhong)守時(shi)(shi)(shi)(shi)(shi)(shi)、時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)通信號(hao)(hao)(hao)輸(shu)出及(ji)(ji)管理功(gong)(gong)能(neng)(neng)。3.移(yi)動列(lie)車時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)同(tong)步(bu)(bu)(bu)節(jie)(jie)點具備衛(wei)星(xing)接(jie)收(shou)，本(ben)地時(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)(zhong)守時(shi)(shi)(shi)(shi)(shi)(shi)、時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)同(tong)步(bu)(bu)(bu)信號(hao)(hao)(hao)輸(shu)出及(ji)(ji)管理功(gong)(gong)能(neng)(neng)。4.時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)同(tong)步(bu)(bu)(bu)節(jie)(jie)點應(ying)具備工作的功(gong)(gong)能(neng)(neng)，當外部標準時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)信號(hao)(hao)(hao)中斷時(shi)(shi)(shi)(shi)(shi)(shi)，時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)同(tong)步(bu)(bu)(bu)節(jie)(jie)點設備通過內置(zhi)鐘(zhong)(zhong)(zhong)及(ji)(ji)頻(pin)率(lv)同(tong)步(bu)(bu)(bu)網(wang)(wang)(wang)的保持功(gong)(gong)能(neng)(neng)，提供時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)信號(hao)(hao)(hao)輸(shu)出。此(ci)外，鐵路時(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)(zhong)同(tong)步(bu)(bu)(bu)系(xi)統(tong)還具備時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)同(tong)步(bu)(bu)(bu)節(jie)(jie)點功(gong)(gong)能(neng)(neng)：1.一級時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)同(tong)步(bu)(bu)(bu)節(jie)(jie)點通過衛(wei)星(xing)接(jie)收(shou)設備獲得標準時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)。2.在正常情(qing)況下，一級時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)同(tong)步(bu)(bu)(bu)節(jie)(jie)點跟蹤衛(wei)星(xing)授時(shi)(shi)(shi)(shi)(shi)(shi)信號(hao)(hao)(hao)。3.在衛(wei)星(xing)授時(shi)(shi)(shi)(shi)(shi)(shi)信號(hao)(hao)(hao)失效的情(qing)況下，一級時(shi)(shi)(shi)(shi)(shi)(shi)間(jian)(jian)(jian)(jian)同(tong)步(bu)(bu)(bu)節(jie)(jie)點利(li)用源自(zi)時(shi)(shi)(shi)(shi)(shi)(shi)鐘(zhong)(zhong)(zhong)頻(pin)率(lv)同(tong)步(bu)(bu)(bu)網(wang)(wang)(wang)的信號(hao)(hao)(hao)和內置(zhi)中進(jin)行授時(shi)(shi)(shi)(shi)(shi)(shi)。

母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)特點(dian)：1、母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)時(shi)鐘(zhong)(zhong)(zhong)(zhong)系(xi)(xi)統精(jing)度高(gao)，同(tong)步(bu)快。2、的(de)(de)工業級元件(jian)，高(gao)水準(zhun)(zhun)的(de)(de)電(dian)(dian)氣(qi)設計，高(gao)密(mi)度集成的(de)(de)電(dian)(dian)路結構，使(shi)裝(zhuang)置擁有(you)優(you)異的(de)(de)電(dian)(dian)氣(qi)隔離和電(dian)(dian)磁屏(ping)蔽表(biao)現(xian)，整(zheng)機無(wu)可(ke)(ke)調節器件(jian)，極大提(ti)高(gao)了(le)裝(zhuang)置抗干擾性能(neng)與(yu)可(ke)(ke)靠性保障。3、母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)時(shi)鐘(zhong)(zhong)(zhong)(zhong)系(xi)(xi)統提(ti)供(gong)(gong)一(yi)路TTL脈(mo)沖信(xin)號(hao)供(gong)(gong)時(shi)鐘(zhong)(zhong)(zhong)(zhong)的(de)(de)準(zhun)(zhun)確度指標(biao)測試(shi)。4、母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)時(shi)鐘(zhong)(zhong)(zhong)(zhong)系(xi)(xi)統提(ti)供(gong)(gong)網口輸出，供(gong)(gong)電(dian)(dian)力、電(dian)(dian)信(xin)、金融(rong)、廣電(dian)(dian)、交通(tong)、安(an)防行(xing)業校(xiao)時(shi)服(fu)務。5、持(chi)(chi)單星授時(shi)模式，適(shi)用(yong)于(yu)收星效果不佳的(de)(de)情況(kuang)，有(you)蘑菇(gu)頭天(tian)線及吸盤式天(tian)線可(ke)(ke)供(gong)(gong)選(xuan)擇。6、前面板有(you)工作狀(zhuang)態指示，便(bian)(bian)于(yu)運行(xing)值班人員(yuan)的(de)(de)日常(chang)巡視。7、母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)時(shi)鐘(zhong)(zhong)(zhong)(zhong)系(xi)(xi)統可(ke)(ke)通(tong)過數(shu)(shu)(shu)碼管顯示跟蹤到的(de)(de)有(you)效衛星個數(shu)(shu)(shu)，在線顯示裝(zhuang)置的(de)(de)收星狀(zhuang)況(kuang)及工作狀(zhuang)態。8、母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)時(shi)鐘(zhong)(zhong)(zhong)(zhong)系(xi)(xi)統采用(yong)全模塊化(hua)(hua)即插即用(yong)結構設計，支(zhi)持(chi)(chi)板卡熱插拔(ba)，配置靈活，維(wei)護方便(bian)(bian)，同(tong)時(shi)為將來電(dian)(dian)廠/變電(dian)(dian)站改造擴建時(shi)增加或(huo)更改對(dui)時(shi)信(xin)號(hao)接口提(ti)供(gong)(gong)了(le)方便(bian)(bian)。9、母(mu)(mu)(mu)鐘(zhong)(zhong)(zhong)(zhong)時(shi)鐘(zhong)(zhong)(zhong)(zhong)系(xi)(xi)統的(de)(de)機箱為進口鋁板鉻酸鈍(dun)化(hua)(hua)、拉細絲啞(ya)銀，經過鈍(dun)化(hua)(hua)處理的(de)(de)鋁板，鋁板鉻酸鈍(dun)化(hua)(hua)使(shi)其(qi)表(biao)面形成了(le)一(yi)層(ceng)致密(mi)的(de)(de)鈍(dun)化(hua)(hua)膜可(ke)(ke)以達到抗腐蝕的(de)(de)目的(de)(de)，現(xian)有(you)黑色機箱和銀白色機箱可(ke)(ke)供(gong)(gong)用(yong)戶(hu)選(xuan)擇。找時(shi)鐘(zhong)(zhong)(zhong)(zhong)系(xi)(xi)統優(you)先(xian)成都(dou)引眾數(shu)(shu)(shu)字(zi)設備有(you)限公司，精(jing)細度高(gao)、高(gao)性價比、值您信(xin)賴！

金(jin)融機(ji)構是那些從事銀行(xing)、保險(xian)、和、財務(wu)咨詢、投資和支付卡行(xing)業的(de)企業。金(jin)融市場對高(gao)度(du)準確時間戳有更(geng)高(gao)層次要求，依靠(kao)傳(chuan)統(tong)的(de)網(wang)絡(luo)NTP取時，已難于滿足當(dang)下所(suo)需，由此對高(gao)精度(du)時間同(tong)步(bu)提出(chu)了(le)更(geng)高(gao)的(de)要求。在現有金(jin)融系統(tong)中，盡管為(wei)數眾多(duo)的(de)數據處(chu)理(li)中心的(de)計算機(ji)、后(hou)臺服務(wu)器可(ke)能(neng)會(hui)存在時間偏差，從而(er)無法以更(geng)為(wei)公正(zheng)(zheng)、更(geng)為(wei)合理(li)、更(geng)為(wei)公平的(de)方(fang)式準確區分出(chu)用戶請求交(jiao)易(yi)(yi)(yi)(yi)發生(sheng)的(de)時間、優(you)先(xian)級順序等(deng)，影響(xiang)了(le)證券交(jiao)易(yi)(yi)(yi)(yi)活動的(de)良性運轉。舉(ju)個簡單例子，如(ru)果是1ms精度(du)的(de)證券交(jiao)易(yi)(yi)(yi)(yi)，則在1ms內(nei)到達的(de)交(jiao)易(yi)(yi)(yi)(yi)請求，均視(shi)為(wei)同(tong)等(deng)交(jiao)易(yi)(yi)(yi)(yi)；如(ru)果證券交(jiao)易(yi)(yi)(yi)(yi)中心的(de)時間精度(du)到了(le)1ns，則可(ke)以將1ms分出(chu)100萬個交(jiao)易(yi)(yi)(yi)(yi)優(you)先(xian)等(deng)級，這樣就(jiu)可(ke)以區分1ns級別(bie)的(de)交(jiao)易(yi)(yi)(yi)(yi)請求的(de)優(you)先(xian)順序，進而(er)交(jiao)易(yi)(yi)(yi)(yi)更(geng)加公平、合理(li)、公正(zheng)(zheng)。電(dian)力子母(mu)(mu)鐘推(tui)薦成都引眾數字設備有限公司。上海機(ji)場子母(mu)(mu)鐘報價

高精(jing)度子母鐘(zhong)推薦(jian)成都(dou)引眾數字(zi)設備有限公司。西藏地(di)鐵子母鐘(zhong)功(gong)能(neng)

標準(zhun)時(shi)(shi)(shi)間小(xiao)鐘定制型小(xiao)標準(zhun)時(shi)(shi)(shi)間掛(gua)鐘采用數碼管方(fang)式(shi)(shi)顯示。支(zhi)持(chi)通過網(wang)絡NTP或無(wu)(wu)線(xian)(xian)方(fang)式(shi)(shi)得到(dao)授(shou)時(shi)(shi)(shi)信號。顯示格式(shi)(shi)為：年、月、日、時(shi)(shi)(shi)、分、秒(miao)、星期。具備(bei)搖(yao)控(kong)開關(guan)機功(gong)能(neng)。NTP網(wang)絡授(shou)時(shi)(shi)(shi)同步(bu)(bu)精(jing)度優于(yu)(yu)5ms，無(wu)(wu)線(xian)(xian)授(shou)時(shi)(shi)(shi)同步(bu)(bu)精(jing)度優于(yu)(yu)25ms,24小(xiao)時(shi)(shi)(shi)守時(shi)(shi)(shi)精(jing)度優于(yu)(yu)20ms；長(chang)寬厚尺寸(cun)分別(bie)為486×187×51單位mm；220V電(dian)源供電(dian)，電(dian)線(xian)(xian)長(chang)度不少于(yu)(yu)1.5m；搖(yao)控(kong)方(fang)式(shi)(shi)具有避免其(qi)他信號干擾功(gong)能(neng)。通過網(wang)絡遙控(kong)有登錄(lu)密碼功(gong)能(neng)，無(wu)(wu)線(xian)(xian)信號增(zeng)加(jia)設(she)備(bei)號檢驗功(gong)能(neng)，紅(hong)外遙控(kong)器具有自鎖(suo)功(gong)能(neng)，從而提高設(she)備(bei)的抗干擾能(neng)力。西藏地鐵子母鐘功(gong)能(neng)

本(ben)文來自四川精碳偉業(ye)環(huan)保(bao)科技有限責任公司(si)：//wasul.cn/Article/92e2099887.html