發(fā)布時間：2018-07-01 17:00

  本文選題：輸電線路 + 電纜　； 參考：《長安大學(xué)》2015年碩士論文

【摘要】：隨著城市土地價格日益高漲以及高層建筑日益增多,為了確保輸電和用電的安全,在城市電纜溝道和電纜隧道逐步取代了架空明線,且規(guī)模也越來越大。由于輸電電纜構(gòu)成里有一層起屏蔽作用的銅網(wǎng),偷盜分子為盜割這些銅網(wǎng),對輸電電纜進行破壞,造成城區(qū)大面積停電事故時有發(fā)生。為了及時發(fā)現(xiàn)并做到及時制止犯罪分子對電纜的破壞,本文設(shè)計了新型的電纜防盜監(jiān)控系統(tǒng)。論文根據(jù)對電纜防盜系統(tǒng)的功能需求,給出了系統(tǒng)的總體設(shè)計,系統(tǒng)主要包括電纜前端檢測單元,傳輸單元和后臺監(jiān)控系統(tǒng)三部分。電纜前端檢測單元的主要功能是對電纜進行實時檢測,在此選用電力線載波法對電纜進行檢測,其原理是在被測電纜上附加檢測載波信號,若載波信號中斷,則表示電纜被盜。傳輸單元選用無線和有線兩種方式做為通信方式,在電纜出現(xiàn)被盜時,檢測單元利用短消息無線通信技術(shù)發(fā)送警情給移動工作人員;與此同時通過RS485總線以及光纖將電纜信息發(fā)送至后臺監(jiān)控中心。后臺監(jiān)控中心在接收到電纜信息時,對這些信息進行分析處理,然后通過以太網(wǎng)通信方式將信息傳輸至監(jiān)控平臺,此時系統(tǒng)對電纜進行檢測,在系統(tǒng)自檢時會顯示出當(dāng)前檢測的所有電纜的信息,若電纜出現(xiàn)故障,此時會將故障信息包括電纜編號、故障類型、發(fā)生時間等顯示出來,并且通過短消息或者電話語音將故障信息通知給提前預(yù)置在系統(tǒng)中的手機號碼,通知移動工作人員及時做出相應(yīng)的措施,降低損失。經(jīng)過現(xiàn)場驗證,該系統(tǒng)可以完成預(yù)期的功能,能對電纜實現(xiàn)實時檢測和監(jiān)控,在電纜遭到外力破壞或者被盜割時進行報警。
[Abstract]:With the rising prices of urban land and the increasing number of high-rise buildings, in order to ensure the safety of transmission and electricity use, the overhead lines are gradually replaced by the urban cable trenches and the cable tunnels, and the scale is increasing. In order to find out and stop the destruction of the cable in time, this paper designs a new type of cable theft proof monitoring system. This paper gives the overall design of the system according to the function demand of the cable theft protection system. The system mainly includes the front end inspection of the cable. Three parts of the measuring unit, transmission unit and background monitoring system. The main function of the cable front end detection unit is to detect the cable in real time. The power line carrier method is used to detect the cable. The principle is to attach the carrier signal to the cable on the measured cable. If the carrier signal is interrupted, the cable is stolen. The transmission unit is wireless. When the cable is stolen, when the cable is stolen, the detection unit uses the short message wireless communication technology to send the police to the mobile staff. At the same time, the cable information is sent to the backstage monitoring center through the RS485 bus and the optical fiber. The background monitoring center divides the information when it receives the cable information. Then the information is transmitted to the monitoring platform through Ethernet communication. At this time, the system will detect the cable and display all the information of the cable at the time of self inspection. If the cable fails, the fault information will include the cable number, so the barrier type, the occurrence time and so on are displayed, and through the short cancellation. The fault information is notified to the mobile phone number in advance in the system, notifying the mobile staff to make the corresponding measures in time to reduce the loss. After verification, the system can perform the desired function, can realize real-time detection and monitoring of the cable, when the cable is destroyed by external force or when the stolen cut is cut. Call the police.
【學(xué)位授予單位】：長安大學(xué)
【學(xué)位級別】：碩士
【學(xué)位授予年份】：2015
【分類號】：TM75

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本文編號：2088453