北斗網(wǎng)絡(luò)校時(shí)服務(wù)器
"Times New Roman"">產(chǎn)品是上海銳呈電氣有限公司設(shè)計(jì)、研發(fā)的K
"Times New Roman"">系列GPS/北斗衛(wèi)星同步時(shí)鐘。裝置以GPS/
mso-hansi-font-family:"Times New Roman"">北斗信號(hào)為時(shí)間基準(zhǔn),內(nèi)嵌NTP-SERVER
"Times New Roman"">服務(wù),以NTP/SNTP
"Times New Roman"">協(xié)議同步網(wǎng)絡(luò)中的計(jì)算機(jī)、控制器等設(shè)備,實(shí)現(xiàn)網(wǎng)絡(luò)授時(shí)。產(chǎn)品采用全模塊化結(jié)構(gòu)設(shè)計(jì),其輸入、輸出、電源等均可靈活配置,并具有豐富的各類模塊及板卡供選擇,授時(shí)信號(hào)的種類和數(shù)量都可根據(jù)需要靈活選擇配置,有RS232
mso-hansi-font-family:"Times New Roman"">、RS422/485
"Times New Roman"">、脈沖、IRIG-B
"Times New Roman"">、DCF77、NTP
mso-hansi-font-family:"Times New Roman"">、PTP
"Times New Roman"">協(xié)議時(shí)間輸出等接口形式,可以適應(yīng)各種不同設(shè)備的對(duì)時(shí)需要。
"Times New Roman"">北斗網(wǎng)絡(luò)校時(shí)服務(wù)器的技術(shù)指標(biāo)
1.運(yùn)行條件
1)裝置環(huán)境條件
mso-hansi-font-family:"Times New Roman"">工作溫度:-200C "Times New Roman"">~+700C "Times New Roman"">;
mso-hansi-font-family:"Times New Roman"">貯存溫度:-400C "Times New Roman"">~+850C "Times New Roman"">;
mso-hansi-font-family:"Times New Roman"">濕度:<95% "Times New Roman"">。
2)電源
mso-hansi-font-family:"Times New Roman"">交流供電:220V "Times New Roman"">±20%或110V mso-hansi-font-family:"Times New Roman"">±20% "Times New Roman"">, 47Hz mso-hansi-font-family:"Times New Roman"">~63Hz "Times New Roman"">;
mso-hansi-font-family:"Times New Roman"">直流供電:220V "Times New Roman"">±20%或110V mso-hansi-font-family:"Times New Roman"">±20% "Times New Roman"">;
mso-hansi-font-family:"Times New Roman"">裝置電源供電自適應(yīng)。
3)抗干擾
mso-hansi-font-family:"Times New Roman"">在雷擊過電壓、一次回路操作、開關(guān)場(chǎng)故障、二次回路操作及其它強(qiáng)干擾作用下,裝置不誤動(dòng)作。
2.技術(shù)參數(shù)
1) GPS/ mso-hansi-font-family:"Times New Roman"">北斗信號(hào)接收器
GPS接收器
mso-hansi-font-family:"Times New Roman"">接收頻率:1575.42MHz "Times New Roman"">(L1信號(hào))。
mso-hansi-font-family:"Times New Roman"">接收靈敏度:捕獲〈-160dBW "Times New Roman"">,跟蹤〈-163dBW "Times New Roman"">。
mso-hansi-font-family:"Times New Roman"">同時(shí)跟蹤:正常狀態(tài)下可同時(shí)跟蹤8 mso-hansi-font-family:"Times New Roman"">~12 "Times New Roman"">顆GPS衛(wèi)星;
mso-hansi-font-family:"Times New Roman"">裝置冷啟動(dòng)時(shí)不小于4 "Times New Roman"">顆衛(wèi)星;
mso-hansi-font-family:"Times New Roman"">裝置熱啟動(dòng)時(shí)不小于1 "Times New Roman"">顆衛(wèi)星。
mso-hansi-font-family:"Times New Roman"">捕獲時(shí)間:裝置冷啟動(dòng)時(shí),〈5min "Times New Roman"">;裝置熱啟動(dòng)時(shí),〈1min "Times New Roman"">。
mso-hansi-font-family:"Times New Roman"">內(nèi)部電池:電池類型:鋰電池;
mso-hansi-font-family:"Times New Roman"">電池壽命:≮25000h "Times New Roman"">。
mso-hansi-font-family:"Times New Roman"">北斗接收器
mso-hansi-font-family:"Times New Roman"">接收頻率(BD2 B1 "Times New Roman"">):1561.098 "Times New Roman"">±4MHz。
mso-hansi-font-family:"Times New Roman"">接收機(jī)靈敏度:-157.6dBW "Times New Roman"">;
mso-hansi-font-family:"Times New Roman"">速度精度(RMS) "Times New Roman"">:0.1m/s "Times New Roman"">;
2)時(shí)間保持單元守時(shí)精度:時(shí)間保持單元晶體振蕩器選用OCXO mso-hansi-font-family:"Times New Roman"">,守時(shí)精度優(yōu)于7*10-9(0.42 "Times New Roman"">μS/min) "Times New Roman"">。
3)功耗:≤20W mso-hansi-font-family:"Times New Roman"">。
4)平均無故障間隔時(shí)間(MTBF) mso-hansi-font-family:"Times New Roman"">≥80000 "Times New Roman"">小時(shí);平均維修時(shí)間(MTTR "Times New Roman"">):一般不大于30 "Times New Roman"">分。正常使用條件下無須維護(hù)。
5)輸出時(shí)間與協(xié)調(diào)世界時(shí)(UTC mso-hansi-font-family:"Times New Roman"">)時(shí)間同步準(zhǔn)確度:≤0.1 "Times New Roman"">μS。
6)授時(shí)精度:脈沖、B mso-hansi-font-family:"Times New Roman"">碼:0.1 "Times New Roman"">μS,串口:10 mso-hansi-font-family:"Times New Roman"">μS "Times New Roman"">,NTP/SNTP "Times New Roman"">:0.2-10ms "Times New Roman"">,PTP:70 ns "Times New Roman"">。
7)重量:3.6kg mso-hansi-font-family:"Times New Roman"">。
8)外形尺寸:本裝置為架裝式結(jié)構(gòu),高度1U/2U
mso-hansi-font-family:"Times New Roman"">、寬度19
"Times New Roman"">”機(jī)架式機(jī)箱。
"Times New Roman"">北斗網(wǎng)絡(luò)校時(shí)服務(wù)器的特點(diǎn)
1.時(shí)間精度高,達(dá)20nS mso-hansi-font-family:"Times New Roman"">。
2.守時(shí)精度高。裝置內(nèi)部守時(shí)單元采用了時(shí)間頻率測(cè)控技術(shù)與智能馴服算法,晶體選用高精度恒溫晶體振蕩器,使裝置守時(shí)準(zhǔn)確度優(yōu)于7*10-9(0.42μS/ mso-hansi-font-family:"Times New Roman"">分鐘) "Times New Roman"">,即在外部時(shí)間基準(zhǔn)異常的情況下,每天時(shí)鐘自走時(shí)誤差不超過0.6 "Times New Roman"">毫秒。如選配銣原子鐘,30 "Times New Roman"">年自走時(shí)誤差不會(huì)超過3 "Times New Roman"">毫秒。
3.雙CPU mso-hansi-font-family:"Times New Roman"">同時(shí)工作,32 "Times New Roman"">位CPU雙核處理器,性能提高。
4.支持單星授時(shí)模式,適用于收星效果不佳的情況(訂貨時(shí)須說明),有屋頂和貼窗天線可供選擇。
5.采用GPS/BD2雙系統(tǒng)精密授時(shí),支持單GPS mso-hansi-font-family:"Times New Roman"">、單北斗、雙GPS "Times New Roman"">、雙北斗、 GPS/ "Times New Roman"">北斗聯(lián)合授時(shí)多種授時(shí)方式,并可通過串口、面板菜單等途徑修改授時(shí)方式。
6.可同時(shí)為幾十萬臺(tái)客戶端、服務(wù)器、工作站提供時(shí)間服務(wù)。
7.支持WINDOWS9X/NT/XP/2000/2003/2008/WINDOWS7 "Times New Roman"">、LINUX、UNIX mso-hansi-font-family:"Times New Roman"">、SUN SOLARIS "Times New Roman"">、IBM AIX "Times New Roman"">、HP-UX等操作系統(tǒng)及支持NTP mso-hansi-font-family:"Times New Roman"">協(xié)議的路由器、交換機(jī)、DVR "Times New Roman"">、智能控制器等網(wǎng)絡(luò)設(shè)備。
8.專用嵌入式系統(tǒng),無硬盤和風(fēng)扇設(shè)計(jì),防震設(shè)計(jì),系統(tǒng)穩(wěn)定可靠。
9.機(jī)箱經(jīng)防磁處理,抗干擾能力強(qiáng)。
10.高品質(zhì)的工業(yè)級(jí)元件,高水準(zhǔn)的電氣設(shè)計(jì),高密度集成的電路結(jié)構(gòu),使裝置擁有電氣隔離和電磁屏蔽表現(xiàn),整機(jī)無可調(diào)節(jié)器件,提高了裝置抗干擾性能與可靠性保障。
11.采用雙電源冗余供電,并選用高性能、寬范圍開關(guān)電源,工作穩(wěn)定可靠,裝置電源供電自適應(yīng)。(按訂貨技術(shù)協(xié)議配置,缺省為單電源。)
12. GPS/ mso-hansi-font-family:"Times New Roman"">北斗接收天線重點(diǎn)考慮了防雷設(shè)計(jì)、穩(wěn)定性設(shè)計(jì)、抗干擾設(shè)計(jì), "Times New Roman"">信號(hào)接收可靠性高,不受地域條件和環(huán)境的限制。
13.裝置具有自復(fù)位能力,在因干擾造成裝置程序出錯(cuò)時(shí),能自動(dòng)恢復(fù)正常工作。
"Times New Roman"">北斗網(wǎng)絡(luò)校時(shí)服務(wù)器質(zhì)量服務(wù)
1.銳呈時(shí)鐘同步產(chǎn)品,三年質(zhì)保。
2.現(xiàn)場(chǎng)在線運(yùn)行設(shè)備出現(xiàn)故障,維護(hù)人員24 mso-hansi-font-family:"Times New Roman"">小時(shí)內(nèi)到達(dá)現(xiàn)場(chǎng)(特殊情況12 "Times New Roman"">小時(shí)內(nèi)),維護(hù)時(shí)間一般不大于30 "Times New Roman"">分鐘。
3.**工程師為您提供7*24 mso-hansi-font-family:"Times New Roman"">小時(shí)技術(shù)支持。
"Times New Roman"">更多北斗網(wǎng)絡(luò)校時(shí)服務(wù)器技術(shù)指標(biāo)請(qǐng)查詢我司