WO2013170564A1 - 路灯电缆防盗系统 - Google Patents

路灯电缆防盗系统 Download PDF

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Publication number
WO2013170564A1
WO2013170564A1 PCT/CN2012/081790 CN2012081790W WO2013170564A1 WO 2013170564 A1 WO2013170564 A1 WO 2013170564A1 CN 2012081790 W CN2012081790 W CN 2012081790W WO 2013170564 A1 WO2013170564 A1 WO 2013170564A1
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WO
WIPO (PCT)
Prior art keywords
street lamp
output voltage
cable
signal
state
Prior art date
Application number
PCT/CN2012/081790
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English (en)
French (fr)
Inventor
张和飞
Original Assignee
上海植晶生物科技有限公司
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Publication date
Application filed by 上海植晶生物科技有限公司 filed Critical 上海植晶生物科技有限公司
Priority to US13/993,270 priority Critical patent/US20150130475A1/en
Publication of WO2013170564A1 publication Critical patent/WO2013170564A1/zh

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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01RMEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/50Testing of electric apparatus, lines, cables or components for short-circuits, continuity, leakage current or incorrect line connections
    • G01R31/58Testing of lines, cables or conductors
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B29/00Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
    • G08B29/02Monitoring continuously signalling or alarm systems
    • G08B29/06Monitoring of the line circuits, e.g. signalling of line faults
    • G08B29/08Signalling of tampering with the line circuit
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation

Definitions

  • the present invention relates to a street lamp cable anti-theft system, and more particularly to a street lamp cable anti-theft system for monitoring a power supply cable by monitoring whether a cable is short-circuited or broken.
  • BACKGROUND OF THE INVENTION At present, most of the street lighting lines and low-voltage power lines use aluminum, copper and other metals as the cable core, and many lines are arranged in the field, which causes some illegal elements to cause theft of cables, and the street lamp cable is increasingly stolen. The criminals often carry out the theft when the cable is cut off and the pedestrians are scarce after the street lights are turned off in the latter half of the night.
  • the street lamp Once the street lamp is stolen, it will not only bring huge losses to the property of the country and the people, but also affect the normal lighting of the street lamp, causing inconvenience to people's lives and affecting the normal life order. Therefore, some measures need to be taken.
  • the currently widely used method is to fix one end or both ends of the cable inside the concrete base of the street lamp.
  • the disadvantage of this method is that it adds more work and more financial expenses to the maintenance of the cable in the later period, and the maintenance cost is high.
  • the cable is damaged, it is difficult for the management personnel to find it in the first time, Conducive to the timely handling of accidents.
  • the present invention provides a street lamp cable anti-theft system to enable a worker to obtain a position where a street lamp cable is damaged and a cable is damaged at any time, thereby reducing maintenance costs.
  • the object of the present invention is to provide a street lamp cable anti-theft system, comprising a front end control device, a signal control device and an information processing terminal; the front end control device is arranged in the street lamp control box for giving the street lamp when the street lamp E1 is not turned on.
  • the cable applies a voltage signal;
  • the signal control device is installed on the lamp post of the last street lamp E1 of a street lamp line, and is used for detecting the voltage signal of the street lamp cable, judging the state of the cable according to the obtained voltage signal, and passing the state signal
  • the wireless communication network is sent to the information processing terminal; the front end control device and the signal control device are connected by a street lamp cable, the street lamp E1 is connected to the street lamp cable; and the information processing terminal is configured to receive and process the status signal sent by the signal control device.
  • Another object of the present invention is to provide a street lamp cable anti-theft system, wherein the front end control device comprises two contactors, a battery pack GB1 and a switch controller K; KMl is used to control the on/off of the street lamp cable; the battery pack GB1 is charged by the charger EC connected to the mains or solar cell, and is used to apply a DC voltage of 12V to the cable through the contactor KM2; the switch controller K is used to control the contact The closing and opening of the KM1 and the contactor KM2.
  • the positive terminal of the battery pack GB1 is provided with a fuse FU2, and the fuse FU2 is used to protect the battery pack GB 1 when the circuit is short-circuited.
  • the switch controller K is a time light controller or a street light terminal controller.
  • the signal control device comprises a voltage detector VM, a signal transmitting device, a battery pack GB2, and a rectifying and filtering circuit composed of a rectifying bridge V and a capacitor C; the rectifying and filtering circuit is used for filtering and rectifying the voltage signal on the street lamp cable;
  • the detector VM is configured to detect an output voltage of the rectifying and filtering circuit and determine a state of the cable according to the output voltage, and convert the cable state into a switching signal and send the signal to the signal transmitting device; and the signal transmitting device is configured to continuously detect the voltage detector VM.
  • the switch signal determines whether to send an alarm signal through the wireless communication network; the voltage detector VM and the signal transmitting device are powered by the battery pack GB2; and the battery pack GB2 is charged by the charger EC of the commercial or solar battery.
  • the signal transmitting device is a GSM signal transmitting device.
  • the positive terminal of the battery pack GB2 is provided with a fuse FU3, and the fuse FU3 is used to protect the battery pack GB2 when the circuit is short-circuited.
  • the street lamp E1 is connected to the street light cable via the ballast B.
  • the invention can monitor the state of the cable in real time, and when the cable is stolen or a short circuit fault occurs, the management personnel can be notified promptly and timely, thereby minimizing the loss.
  • the usual methods of anti-theft and anti-destruction are that after the cable is stolen for a period of time, the management can find the cable being stolen.
  • the invention has the advantages of simple structure, low failure rate and low maintenance cost.
  • the present invention has a backup power source that can operate for a long time even in the event of a system power outage. When using solar energy to charge the battery, the impact of the power outage on the system can be ignored.
  • the invention can use the GSM network to transmit an alarm signal, and can transmit the stolen information of the cable to a designated mobile phone or computer and other information processing terminal through the GSM network, so that the manager can know the information that the cable is destroyed in the first time. , high reliability.
  • the street lamp cable anti-theft system of the invention has the information that the cable can be obtained in time, the maintenance cost is low, and the power is not affected by the stoppage, High reliability.
  • the invention can be used not only for the monitoring of municipal streetlight cables, but also for the monitoring of low voltage power supply cables for other purposes. The objectives, features, and advantages of the invention are disclosed in the Detailed Description of the Detailed Description of the Drawings. BRIEF DESCRIPTION OF THE DRAWINGS FIG.
  • FIG. 1 is a structural schematic diagram of a street lamp cable anti-theft system according to the present invention.
  • 2 is a structural block diagram of a street lamp cable anti-theft system of the present invention.
  • a street lamp cable anti-theft system includes a front end control device 1, a signal control device 2 and an information processing terminal 3; the front end control device 1 is arranged in a street lamp control box for use in the street lamp E1 When the state is not on, a voltage signal is applied to the street lamp cable 4; the signal control device 2 is installed on the lamp post of the last street lamp E1 of a street lamp line for detecting the voltage signal of the street lamp cable 4, and judging according to the obtained voltage signal The state of the cable 4, and the status signal is sent to the information processing terminal 3 through the wireless communication network; when the street lamp is in the working state, the street lamp cable is provided with the 220V AC voltage applied by the municipal power supply system; when the street lamp is in the off state, the battery pack GB1 applies DC voltage of 12V on the street lamp cable; the front end control device 1 and the signal control device 2 are connected by the street lamp cable 4, the street lamp E1 is connected
  • the front end control device 1 comprises two contactors, a battery pack GB1 and a switch controller K; the contactor KM1 is used for controlling the on/off of the street lamp cable 4; the battery pack GB1 is connected by a charger EC connected to the mains or solar battery. Charging, for applying a DC voltage of 12V to the cable 4 via the contactor KM2, through its own normally closed contact between the contactor KM1 and the contactor KM2 Interlock; the switch controller K is used to control the closing and opening of the contactor KM1 and the contactor KM2.
  • the positive terminal of the battery pack GB1 is provided with a fuse FU2, and the fuse FU2 is used to protect the battery pack GB1 when the circuit is short-circuited.
  • the switch controller K is a time controller or a street lamp terminal controller.
  • the time controller is a switch controller that controls the on state of the street lamp by time and luminosity; by setting the time, turning on the street light at night or turning off the street light during the day;
  • the control is to turn on the state street light when the luminosity of the sun is too low in the dark weather; in the specific implementation, the combination of the time control and the photometric control is generally used to control the on state and the off state of the street lamp.
  • the street light terminal controller is a remote wireless control terminal that can control the on state of the street light through a wireless network.
  • the signal control device 2 includes a voltage detector VM, a signal transmitting device, a battery pack GB2, and a rectifying and filtering circuit composed of a rectifying bridge V and a capacitor C.
  • the rectifying and filtering circuit is configured to perform filter rectification processing on the voltage signal on the street lamp cable 4;
  • the voltage detector VM is configured to detect the output voltage of the rectifying and filtering circuit and determine the state of the cable 4 according to the output voltage, and convert the cable state into a switching signal and send it to the signal transmitting device; the voltage detector VM internally sets the output voltage variation range and output. Voltage change time threshold.
  • the output voltage variation range includes a first output voltage variation range, a second output voltage variation range, a third output voltage variation range, and a fourth output voltage variation range;
  • the first output voltage variation range is an output voltage deviation amount when the street lamp EL is turned on;
  • the second voltage signal variation range is the output voltage deviation amount when the street lamp EL is not turned on;
  • the third voltage signal variation range is the instantaneous output voltage change amount when the street lamp EL is switched from the on state to the non-on state;
  • the fourth voltage signal variation range is the street lamp EL
  • the output voltage change amount is instantaneously switched from the non-on state to the on state.
  • the output voltage change time threshold includes a first output voltage change time threshold, a second output voltage change time threshold, a third output voltage change time threshold, and a fourth output voltage change time threshold;
  • the first output voltage change time threshold is a street light EL open state
  • the output voltage generates a deviation amount duration;
  • the second output voltage change time threshold is the output voltage deviation amount duration when the street lamp EL is not turned on;
  • the third output voltage change time threshold is the moment when the street lamp EL is switched from the on state to the off state The output voltage generates a deviation amount duration;
  • the fourth output voltage change time threshold is a duration in which the street lamp EL switches from the non-on state to the on state, and the output voltage generates a deviation amount.
  • the signal transmitting device for continuously detecting a switching signal of the voltage detector VM to determine whether to send an alarm signal through the wireless communication network; the voltage detector VM and the signal transmitting device are powered by the battery pack GB2; the battery pack GB2 is connected to the mains or The solar battery charger EC is charged.
  • the signal transmitting device is preferably a GSM signal transmitting device; when the GSM signal transmitting device is used, the GSM signal transmitting device transmits the signal to the information processing terminal 3 of the system by using the GSM communication network of the mobile communication company.
  • the positive end of the battery pack GB2 is provided with a fuse FU3, and the fuse FU3 is used to protect the battery pack GB2 when the circuit is short-circuited.
  • the street lamp El is connected to the street light cable 4 via the ballast B.
  • the street lamp operation is controlled by a switch controller K (time controller or street lamp control terminal:).
  • the time controller or the street lamp control terminal ⁇ is closed, the contactor KM1 coil is energized, the contactor KM1 is closed, the street lamp is turned on; at this time, the signal control device is rectified
  • the bridge V and the capacitor C form an output of the rectifying and filtering circuit to generate a relatively stable DC voltage signal.
  • the voltage detector VM detects the voltage signal and converts it into a switching signal to the GSM signal transmitting device.
  • the GSM signal transmitting device judges by detecting the switching signal.
  • the information processing terminal may be a microcomputer that receives and processes information, or may be a mobile phone.
  • an acoustic signal or light is emitted. Signal, remind the staff, and provide the location of the cable fault, so that the staff can handle the fault in time.
  • the switch controller ⁇ time controller or street light control terminal
  • the output of the rectifying and filtering circuit composed of the bridge V and the capacitor C also generates a relatively stable DC voltage signal, which is detected by the voltage detector VM and converted into a switching signal to the GSM signal transmitting device to determine whether the cable is abnormal.
  • S1 and S2 are signal detecting terminals of the voltage detector VM
  • 01 and 02 are switching signal output terminals of the voltage detector
  • II and 12 are signal input terminals of the GSM signal transmitting device.
  • 1 is the fire line of the municipal power supply system
  • N is the neutral line of the municipal power supply system.
  • the battery pack GB1, GB2 are respectively charged by the charger EC, the charger EC can be connected to the mains or solar battery, and the battery pack is charged by the utility or solar battery through the charger to ensure the power outage When the system is running normally.
  • the fuses FU2 and FU3 provide short-circuit protection for the battery packs GB1 and GB2, respectively.
  • the invention can monitor the state of the cable in real time, and can notify the management personnel promptly and timely when there is a theft or short circuit fault, thereby minimizing the loss.
  • the invention has simple structure, low failure rate and low maintenance cost.
  • the present invention has a backup power source that can operate for a long time even in the event of a system power outage.
  • the invention can use the GSM network to transmit an alarm signal, and can transmit the stolen information of the cable to the information processing terminal such as a designated mobile phone or a computer through the GSM network, so that the manager can know the information that the cable is damaged in the first time, and is reliable. High sex.
  • the street lamp cable anti-theft system of the invention has the advantages of timely obtaining the information of the cable, low maintenance cost, no influence of stopping power, and high reliability.
  • the invention can be used not only for monitoring the municipal street lamp cable, but also for monitoring the low voltage power supply cable for other purposes.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Burglar Alarm Systems (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

一种路灯电缆防盗系统,包括一个前端控制装置(1)、一个信号控制装置(2)和一个信息处理终端(3);前端控制装置(1)设于路灯控制箱中,用于在路灯(EL)不开启状态时给路灯电缆(4)施加一个电压信号;信号控制装置(2)安装在一条路灯线路的最后一盏路灯(EL)的灯杆上,用于检测路灯电缆(4)的电压信号,依据获得的电压信号来判断电缆(4)的状态,并将状态信号通过无线通信网络发送到信息处理终端(3);前端控制装置(1)和信号控制装置(2)之间通过路灯电缆(4)连接,路灯(EL)连接在路灯电缆(4)上;信息处理终端(3),用于接收并处理信号控制装置(2)所发出的状态信号。该防盗系统尤其适用于监测路灯供电电缆,具有可及时获得电缆的信息、维护费用低、不受停断电的影响、可靠性高等优点。

Description

路灯电缆防盗系统 技术领域 本发明涉及一种路灯电缆防盗系统, 尤其是一种用于通过监测电缆 是否短路或断路来监测供电电缆的路灯电缆防盗系统。 背景技术 目前路灯照明线路和低压供电线路大多采用铝、 铜等金属作为电缆 芯, 而且很多线路都布置在野外, 这样给一些不法分子造成盗窃电缆的可 乘之机, 路灯电缆失窃现象日益严重。不法分子往往在后半夜路灯熄灯后 电缆断电、 行人稀少之时实施盗窃行为。 路灯电缆一旦被偷盗, 不仅会给 国家和人民的财产带来巨大的损失, 还会影响路灯的正常照明, 给人们的 生活带来诸多不便, 影响了正常的生活秩序, 因此就需要采取一些措施来 防止电缆被偷盗。 目前普遍采用的方法是:把电缆一端或两端都固定在路 灯混凝土基座里面。 这种方法的缺点是:给后期电缆维护工作增加更多的 工作量和更大的财力开支, 维护费用高;另外, 这种情况下如果电缆被破 坏管理人员很难在第一时间发现, 不利于事故的及时处理。 发明内容 本发明提供一种路灯电缆防盗系统, 以使得工作人员能够随时获得 路灯电缆是否被破坏和电缆被破坏的位置, 减少维护费用。 本发明的目的在于提供一种路灯电缆防盗系统, 包括一个前端控制 装置、 一个信号控制装置和一个信息处理终端;前端控制装置设于路灯控 制箱中,用于在路灯 E1不开启状态时给路灯电缆施加一个电压信号;信号 控制装置安装在一条路灯线路的最后一盏路灯 E1的灯杆上, 用于检测路 灯电缆的电压信号, 依据获得的电压信号来判断电缆的状态, 并将状态信 号通过无线通信网络发送到信息处理终端;前端控制装置和信号控制装置 之间通过路灯电缆连接, 路灯 E1连接在路灯电缆上;信息处理终端, 用于 接收并处理信号控制装置所发出的状态信号。 本发明的又一目的在于提供一种路灯电缆防盗系统, 其中, 前端控 制装置包括两个接触器、 一个蓄电池组 GB1和一个开关控制器 K;接触器 KMl用于控制路灯电缆的通断电;蓄电池组 GBl由连接市电或太阳能电池 的充电器 EC来充电, 用于通过接触器 KM2给电缆施加 12V的直流电压; 开关控制器 K用于控制接触器 KM1和接触器 KM2的闭合和断开。 所述蓄电池组 GB1的正极一端设有熔断器 FU2 , 熔断器 FU2用于 在电路短路时保护蓄电池组 GB 1。 所述开关控制器 K为时光控制器或路灯终端控制器。 所述信号控制装置包括电压检测器 VM、 信号发射装置、 蓄电池组 GB2和由整流电桥 V和电容 C组成的整流滤波电路;整流滤波电路用于路 灯电缆上的电压信号进行滤波整流处理;电压检测器 VM用于检测整流滤 波电路的输出电压并根据输出电压判断电缆的状态,并把电缆状态转换成 开关信号发送至信号发射装置;信号发射装置, 用于不间断地检测电压检 测器 VM的开关信号以决定是否通过无线通信网络发送报警信号;电压检 测器 VM和信号发射装置由蓄电池组 GB2供电;蓄电池组 GB2由接市电或 太阳能电池的充电器 EC充电。 所述信号发射装置为 GSM信号发射装置。 所述蓄电池组 GB2的正极一端设有熔断器 FU3 , 熔断器 FU3用于 在电路短路时保护蓄电池组 GB2。 所述路灯 E1通过镇流器 B连接在路灯电缆上。 与已有技术相比, 本发明有益效果体现在:
1、本发明可对电缆的状态实时监控,当电缆被盗或发生短路故障时, 能迅速及时地通知管理人员, 从而将损失降到最低。 而通常的防盗、 防破 坏手段, 都是在电缆被盗窃一段时间之后, 管理人员才能发现电缆被盗。
2、 本发明结构简单、 故障率低、 维护费用都很低。
3、 本发明有后备电源, 即使在系统停电的情况下也可长时间工作。 在采用太阳能给蓄电池充电时, 可忽略停电对本系统造成的影响。
4、 本发明可利用 GSM网络传送报警信号, 能通过 GSM网络将电 缆被盗的信息发送到指定的手机或电脑等信息处理终端上,使得管理人员 能在第一时间内知道电缆被破坏的信息, 可靠性高。本发明的路灯电缆防 盗系统, 具有可及时获得电缆的信息、 维护费用低、 不受停断电的影响、 可靠性高等优点。 本发明不仅可用于市政路灯电缆的监控, 而且可用于其他用途的低 压供电电缆的监控。 本发明的这些目的, 特点, 和优点将会在下面的具体实施方式, 附 图, 和权利要求中详细的揭露。 附图说明 图 1为本发明路灯电缆防盗系统的结构原理图。 图 2为本发明路灯电缆防盗系统的结构框图。 附图 1、 附图 2中标号 :1前端控制装置, 2信号控制装置, 3信息处 理终端, 4路灯电缆, 镇流器 B, C电容, FU1熔断器, FU2熔断器, FU3 熔断器, GB1蓄电池组, GB2蓄电池组, GSM信号发射装置, K开关控 制器, KM1接触器, KM2接触器, E1路灯, V整流电桥, VM电压检测 器, 1火线, N零线, S1信号检测端子, S2信号检测端子, 01开关信号 输出端子, 02开关信号输出端子; II信号输入端子, 12信号输入端子。 以下通过具体实施方式, 并结合附图对本发明作进一歩说明。 具体实施方式 参见图 1、 图 2, 路灯电缆防盗系统, 包括一个前端控制装置 1、一 个信号控制装置 2和一个信息处理终端 3;前端控制装置 1设于路灯控制箱 中,用于在路灯 E1不开启状态时给路灯电缆 4施加一个电压信号;信号控 制装置 2安装在一条路灯线路的最后一盏路灯 E1的灯杆上, 用于检测路 灯电缆 4的电压信号, 依据获得的电压信号来判断电缆 4的状态, 并将状 态信号通过无线通信网络发送到信息处理终端 3;在路灯处于工作状态时, 路灯电缆上加有市政供电系统施加的 220V交流电压;在路灯处于关闭状 态时, 蓄电池组 GB1在路灯电缆上施加 12V的直流电压;前端控制装置 1 和信号控制装置 2之间通过路灯电缆 4连接, 路灯 E1连接在路灯电缆 4 上;信息处理终端 3, 用于接收并处理信号控制装置 2所发出的状态信号。 前端控制装置 1包括两个接触器、 一个蓄电池组 GB1和一个开关控制器 K;接触器 KM1用于控制路灯电缆 4的通断电;蓄电池组 GB1 由连接市电 或太阳能电池的充电器 EC来充电, 用于通过接触器 KM2给电缆 4施加 12V的直流电压,接触器 KM1与接触器 KM2之间通过其自身的常闭触头 互锁;开关控制器 K用于控制接触器 KM1和接触器 KM2的闭合和断开。 蓄电池组 GB1的正极一端设有熔断器 FU2 , 熔断器 FU2用于在电路短路 时保护蓄电池组 GB1。 开关控制器 K为时光控制器或路灯终端控制器, 时光控制器是通过时间和光度来控制路灯的开启状态的开关控制器;通过 时间的设置, 在夜间打开路灯或在白天关闭路灯;通过光度的控制, 在阴 暗天气太阳光的光度过低的时候, 开启状态路灯;具体实施时, 一般采用 时间控制和光度控制两种控制方式相结合来控制路灯的开启状态与关闭。 路灯终端控制器是一种远程无线控制终端,可通过无线网络来控制路灯的 开启状态。信号控制装置 2包括电压检测器 VM,信号发射装置、蓄电池组 GB2和由整流电桥 V和电容 C组成的整流滤波电路;整流滤波电路用于对 路灯电缆 4上的电压信号进行滤波整流处理;电压检测器 VM用于检测整 流滤波电路的输出电压并根据输出电压判断电缆 4的状态,并把电缆状态 转换成开关信号发送至信号发射装置;电压检测器 VM内部设定输出电压 变化范围和输出电压变化时间阈值。 输出电压变化范围包括第一输出电压变化范围、 第二输出电压变化 范围、第三输出电压变化范围和第四输出电压变化范围; 第一输出电压变 化范围为路灯 EL开启状态时输出电压偏差量; 第二电压信号变化范围为 路灯 EL不开启状态时输出电压偏差量;第三电压信号变化范围为路灯 EL 从开启状态切换至不开启状态瞬间输出电压改变量;第四电压信号变化范 围为路灯 EL从不开启状态切换至开启状态瞬间输出电压改变量。 输出电压变化时间阈值包括第一输出电压变化时间阈值、 第二输出 电压变化时间阈值、第三输出电压变化时间阈值和第四输出电压变化时间 阈值; 第一输出电压变化时间阈值为路灯 EL开启状态时输出电压产生偏 差量持续时间; 第二输出电压变化时间阈值为路灯 EL不开启状态时输出 电压产生偏差量持续时间; 第三输出电压变化时间阈值为路灯 EL从开启 状态切换至不开启状态瞬间输出电压产生偏差量持续时间;第四输出电压 变化时间阈值为路灯 EL从不开启状态切换至开启状态瞬间输出电压产生 偏差量持续时间。 当所述输出电压超出第一输出电压变化范围且超过第一电压变化时 间阈值时判定电缆处于异常状态;当所述输出电压超出第二输出电压变化 范围且超过第二电压变化时间阈值时判定电缆处于异常状态;当所述输出 电压超出第三输出电压变化范围且超过第三电压变化时间阈值时判定电 缆处于异常状态;当所述输出电压超出第四输出电压变化范围且超过第四 电压变化时间阈值时判定电缆处于异常状态。 当所述输出电压不超出第一变化范围或者不超过第一电压变化时间 阈值时判定电缆处于正常状态;当所述输出电压不超出第二变化范围或者 不超过第二电压变化时间阈值时判定电缆处于正常状态;当所述输出电压 不超出第三变化范围或者不超过第三电压变化时间阈值时判定电缆处于 正常状态;当所述输出电压不超出第四变化范围或者不超过第四电压变化 时间阈值时判定电缆处于正常状态。 信号发射装置, 用于不间断地检测电压检测器 VM的开关信号以决 定是否通过无线通信网络发送报警信号;电压检测器 VM和信号发射装置 由蓄电池组 GB2供电;蓄电池组 GB2由接市电或太阳能电池的充电器 EC 充电。 信号发射装置优选为 GSM信号发射装置;采用 GSM信号发射装置 时, GSM信号发射装置利用移动通信公司的 GSM通信网络, 将信号发送 给本系统的信息处理终端 3。 蓄电池组 GB2的正极一端设有熔断器 FU3 , 熔断器 FU3用于在电路短路时保护蓄电池组 GB2。路灯 El通过镇流器 B 连接在路灯电缆 4上。 参见图 1, 本实施例中, 路灯工作由开关控制器 K(时光控制器或路 灯控制终端:)控制。 在夜晚, 根据设定的时间或光度参数, 时光控制器 (:或 路灯控制终端 Κ闭合, 接触器 KM1线圈得电, 接触器 KM1吸合, 路灯 开启状态;此时在信号控制装置里由整流电桥 V和电容 C组成整流滤波电 路的输出端就产生相对稳定的直流电压信号,电压检测器 VM检测到电压 信号后转换成开关信号给 GSM信号发射装置, GSM信号发射装置通过检 测开关信号判断电缆是否有异常情况,从而判断是否给信息处理终端发送 报警信号。信息处理终端可以是接收和处理信息的微机, 也可以是移动电 话。 当信息处理终端接收报警信号后, 会发出声信号或光信号, 提醒工作 人员, 并提供电缆故障的位置, 以便于工作人员及时处理故障。 当路灯不需要工作时, 开关控制器 Κ(时光控制器或路灯控制终端) 断开, 则接触器 KM1线圈失电, 接触器 KM1主触点断开, 此时 KM1的 常闭触头闭合, 接触器 ΚΜ2线圈得电, 接触器 ΚΜ2主触点吸合, 由蓄 电池组 GB1提供给路灯电缆 DC12V直流信号。 因为 DC12V电压不足以 使路灯触发并工作, 所以此时路灯并不亮也不消耗电能;在接触器 KM1和 接触器 ΚΜ2切换的瞬间由电容 C给电压检测器 VM提供电压信号, 使其 在切换的瞬间电压检测器 VM不会发生误报,此时同样在信号控制装置里 由整流电桥 V和电容 C组成整流滤波电路的输出端也产生相对稳定的直 流电压信号, 由电压检测器 VM检测电压信号后转换成开关信号给 GSM 信号发射装置判断电缆是否有异常情况。 参见图 1,S1、 S2是电压检测器 VM的信号检测端子, 01、 02是电 压检测器的开关信号输出端子; II、 12是 GSM信号发射装置的信号输入端 子。 1为市政供电系统的火线, N为市政供电系统的零线。 使用中, 如图 1所示, 蓄电池组 GB1、 GB2分别由充电器 EC充电, 充电器 EC可连接市电或太阳能电池, 由市电或太阳能电池通过充电器给 蓄电池组充电, 以保证在停电时系统的正常运行。 熔断器 FU2、 FU3分别 为蓄电池组 GB1和 GB2提供短路保护。 本发明可对电缆的状态实时监控, 当有偷盗或短路故障时, 能迅速 及时地通知管理人员, 从而将损失降到最低。 本发明结构简单, 故障率低 且维护费用都很低。本发明有后备电源, 即使在系统停电的情况下也可长 时间工作。如果采用太阳能给蓄电池充电, 则可忽略停电对本系统造成的 影响。 本发明可利用 GSM网络传送报警信号, 能通过 GSM网络将电缆 被盗的信息发送到指定的手机或电脑等信息处理终端上,使得管理人员能 在第一时间内知道电缆被破坏的信息, 可靠性高。本发明的路灯电缆防盗 系统, 具有可及时获得电缆的信息、 维护费用低、 不受停断电的影响、可 靠性高等优点。 本发明不仅可用于市政路灯电缆的监控, 还可用于其他用途的低压 供电电缆的监控。 以下通过具体实施方式, 并结合附图对本发明作进一歩说明。 通过上述实施例, 本发明的目的已经被完全有效的达到了。 熟悉该 项技艺的人士应该明白本发明包括但不限于附图和上面具体实施方式中 描述的内容。任何不偏离本发明的功能和结构原理的修改都将包括在权利 要求书的范围中。

Claims

1.一种路灯电缆防盗系统, 包括一个前端控制装置 ( 、 一个信号控 制装置 (2)和一个信息处理终端 p);前端控制装置 (1)设于路灯控制箱中, 用 于在路灯 EL不开启状态时给路灯电缆 施加一个电压信号;信号控制装 置 (2)安装在一条路灯线路的最后一盏路灯 EL的灯杆上,用于检测路灯电 缆 (4)的电压信号, 依据获得的电压信号来判断电缆 (4)的状态, 并将状态 信号通过无线通信网络发送到信息处理终端 (3);前端控制装置 (1)和信号控 制装置 (2)之间通过路灯电缆 (4)连接, 路灯 EL连接在路灯电缆 (4)上;信息 处理终端 (3 用于接收并处理信号控制装置 (2)所发出的状态信号。
2.根据权利要求 1所述的路灯电缆防盗系统, 其特征是所述前端控 制装置 (1)包括两个接触器、 一个蓄电池组 GB1和一个开关控制器 Κ;接触 器 KM1用于控制路灯电缆 (4)的通断电;蓄电池组 GB1 由连接市电或太阳 能电池的充电器 EC来充电, 用于通过接触器 KM2给电缆 (4)施加 12V的 直流电压;开关控制器 K用于控制接触器 KM1和接触器 KM2的闭合和断 开。
3.根据权利要求 1所述的路灯电缆防盗系统, 其特征是所述信号控 制装置 (2)包括电压检测器 VM、 信号发射装置、 蓄电池组 GB2和由整流 电桥 V和电容 C组成的整流滤波电路;整流滤波电路用于对路灯电缆 (4) 上的电压信号进行滤波整流处理;电压检测器 VM用于检测整流滤波电路 的输出电压并根据输出电压判断电缆 (4)的状态, 并把电缆状态转换成开 关信号发送至信号发射装置;信号发射装置, 用于不间断地检测电压检测 器 VM的开关信号以决定是否通过无线通信网络发送报警信号;电压检测 器 VM和信号发射装置由蓄电池组 GB2供电;蓄电池组 GB2由接市电或太 阳能电池的充电器 EC充电。
4.根据权利要求 3所述的路灯电缆防盗系统, 其特征是所述电压检 测器 VM内设定输出电压变化范围和输出电压变化时间阈值;当输出电压 超出输出电压变化范围且超过电压变化时间阈值时判定电缆处于异常状 态,电压检测器 VM把异常的电缆状态转换成开关信号发送至信号发射装 置以通过无线通信网络发送报警信号。
5.根据权利要求 4所述的路灯电缆防盗系统, 其特征是所述输出电 压变化范围包括第一输出电压变化范围、第二输出电压变化范围、第三输 出电压变化范围和第四输出电压变化范围;第一输出电压变化范围为路灯 EL开启状态时输出电压偏差量; 第二电压信号变化范围为路灯 EL不开 启状态时输出电压偏差量; 第三电压信号变化范围为路灯 EL从开启状态 切换至不开启状态瞬间输出电压改变量; 第四电压信号变化范围为路灯 EL从不开启状态切换至开启状态瞬间输出电压改变量; 输出电压变化时 间阈值包括第一输出电压变化时间阈值、 第二输出电压变化时间阈值、第 三输出电压变化时间阈值和第四输出电压变化时间阈值;第一输出电压变 化时间阈值为路灯 EL开启状态时输出电压产生偏差量持续时间; 第二输 出电压变化时间阈值为路灯 EL开启状态时输出电压产生偏差量持续时 间; 第三输出电压变化时间阈值为路灯 EL开启状态时输出电压产生偏差 量持续时间 ·' 第四输出电压变化时间阈值为路灯 EL开启状态时输出电压 产生偏差量持续时间;当所述输出电压超出第一输出电压变化范围且超过 第一电压变化时间阈值时判定电缆处于异常状态;当所述输出电压超出第 二输出电压变化范围且超过第二电压变化时间阈值时判定电缆处于异常 状态;当所述输出电压超出第三输出电压变化范围且超过第三电压变化时 间阈值时判定电缆处于异常状态;当所述输出电压超出第四输出电压变化 范围且超过第四电压变化时间阈值时判定电缆处于异常状态;当所述输出 电压不超出第一变化范围或者不超过第一电压变化时间阈值时判定电缆 处于正常状态;当所述输出电压不超出第二变化范围或者不超过第二电压 变化时间阈值时判定电缆处于正常状态;当所述输出电压不超出第三变化 范围或者不超过第三电压变化时间阈值时判定电缆处于正常状态;当所述 输出电压不超出第四变化范围或者不超过第四电压变化时间阈值时判定 电缆处于正常状态。
6.根据权利要求 4所述的路灯电缆防盗系统, 其特征是所述信号发 射装置为 GSM信号发射装置。
7.根据权利要求 4所述的路灯电缆防盗系统, 其特征是所述蓄电池 组 GB1的正极一端设有熔断器 FU2 , 熔断器 FU2用于在电路短路时保护 蓄电池组 GB1。
8.根据权利要求 4所述的路灯电缆防盗系统, 其特征是所述开关控 制器 K为时光控制器或路灯终端控制器。
9.根据权利要求 4所述的路灯电缆防盗系统, 其特征是所述蓄电池 组 GB2的正极一端设有熔断器 FU3 , 熔断器 FU3用于在电路短路时保护 蓄电池组 GB2。
10.根据权利要求 4所述的路灯电缆防盗系统, 其特征是所述路灯 E1通过镇流器 B连接在路灯电缆 (: 上。
PCT/CN2012/081790 2012-05-17 2012-09-22 路灯电缆防盗系统 WO2013170564A1 (zh)

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CN104700541A (zh) * 2015-03-27 2015-06-10 湖南紫光测控有限公司 一种基于路灯电缆的防盗装置及检测方法
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CN105989686A (zh) * 2016-05-12 2016-10-05 蚌埠学院 一种智能路灯电缆防盗报警系统
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CN110517430A (zh) * 2019-07-26 2019-11-29 安徽静深实业有限公司 一种路灯电缆防盗监控方法
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