CN104954756A - Intelligent integrated online monitoring system and method for underground cable operation - Google Patents
Intelligent integrated online monitoring system and method for underground cable operation Download PDFInfo
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Abstract
本发明公开了一种地下电缆运行智能综合在线监测系统及方法,在线监测系统包括有监控中心,分别与监控中心进行连接的电缆防盗检测单元、电缆视频监测单元、电缆接头温度监测单元、电缆金属护层接地电流监测单元、环境气体监测单元、电缆隧道水位监测单元和电缆隧道烟雾监测单元。本发明采用各种传感器和互感器对电缆和电缆的环境进行监测,监控中心实时掌握电缆的运行情况,当出现异常时,实现报警,提醒工作人员及时排除故障,防止出现大的安全隐患;本发明采用防盗监测,杜绝了电缆的被盗的可能,本发明结合采用视频监控,从而避免了由于视觉疲劳造成的漏报现象,建立一个“全天候无死角的监视平台”,实现电缆隧道内重要位置的可视化监测,替代人工巡检,降低了劳动成本和节省了时间,且视频可进行存储和调取,方便后期维护。
The invention discloses an intelligent comprehensive online monitoring system and method for underground cable operation. The online monitoring system includes a monitoring center, a cable anti-theft detection unit connected to the monitoring center, a cable video monitoring unit, a cable joint temperature monitoring unit, and a cable metal monitoring unit. Sheath grounding current monitoring unit, ambient gas monitoring unit, cable tunnel water level monitoring unit and cable tunnel smoke monitoring unit. The present invention uses various sensors and transformers to monitor the cable and the environment of the cable. The monitoring center grasps the operation of the cable in real time. When an abnormality occurs, an alarm is realized to remind the staff to eliminate the fault in time and prevent major safety hazards; The invention uses anti-theft monitoring to eliminate the possibility of the cable being stolen. The invention combines the use of video monitoring to avoid the false report phenomenon caused by visual fatigue, and establishes an "all-weather monitoring platform without dead ends" to realize important positions in the cable tunnel. The visual monitoring replaces manual inspection, reduces labor costs and saves time, and the video can be stored and retrieved to facilitate later maintenance.
Description
技术领域 technical field
本发明涉及电网安全监测与评价领域,具体是一种地下电缆运行智能综合在线监测系统及方法。 The invention relates to the field of power grid safety monitoring and evaluation, in particular to an intelligent comprehensive online monitoring system and method for underground cable operation.
背景技术 Background technique
近年来,随着电网的迅猛发展,电缆越来越多的应用到城市电网中。伴随着电缆线路的日趋庞大,一个严峻的问题日益明显的暴露出来---电缆线路故障。 In recent years, with the rapid development of power grids, more and more cables are used in urban power grids. With the growing size of cable lines, a serious problem has become increasingly obvious---cable line failure.
一方面,电缆厂家的技术能力和生产水平参差不齐;另一方面,由于原材料价格提升,市场竞争激烈等客观因素,有一些厂家因盲目追求利益而降低产品质量,两方面的原因,造成电缆及其附件本身质量就不稳定。同时,电缆线路在地下运行,相应的监测和维护比较困难。电缆沟内的环境,如温湿度、水质水位、有害气体等等,地面上是无法做到预防预测的。城市地下管线的增多,地下空间资源的占有使电缆管线的施工运行状况越来越复杂,特别是天然气、煤气及其它易燃易爆气体一旦渗入电缆管沟,将给电缆的安全运行乃至社会公共安全带来极大的威胁。为保证人身和设备安全,需定期开启井盖对管辖设备进行可燃气体检测。电力电缆的外力破坏现象也越来越多,轻则造成财产损失,重则造成安全事故,给电缆的安全运行造成重大威胁。因此,电缆管沟的防火、防气、防爆、防水、防盗问题日益重要,为满足电缆通道的“五防”要求,必须对电缆的运行环境进行监测,提早发现问题,及时处理,避免重大问题的发生。 On the one hand, the technical capabilities and production levels of cable manufacturers are uneven; on the other hand, due to objective factors such as rising raw material prices and fierce market competition, some manufacturers reduce product quality due to blind pursuit of benefits. The quality of its accessories itself is not stable. At the same time, the cable lines run underground, and the corresponding monitoring and maintenance are relatively difficult. The environment in the cable trench, such as temperature and humidity, water quality and water level, harmful gases, etc., cannot be predicted on the ground. The increase of urban underground pipelines and the occupation of underground space resources make the construction and operation of cable pipelines more and more complicated, especially once natural gas, coal gas and other flammable and explosive gases infiltrate into cable trenches, it will affect the safe operation of cables and even the public. Security poses a great threat. In order to ensure personal and equipment safety, it is necessary to regularly open the manhole cover to detect combustible gas in the jurisdictional equipment. There are more and more phenomena of external force damage to power cables, ranging from property losses to safety accidents, posing a major threat to the safe operation of cables. Therefore, the fire, gas, explosion, waterproof, and anti-theft issues of cable ducts are becoming more and more important. In order to meet the "five defenses" requirements of cable channels, the operating environment of cables must be monitored to detect problems early and deal with them in time to avoid major problems. happened.
发明内容 Contents of the invention
本发明要解决的技术问题是提供一种地下电缆运行智能综合在线监测系统及方法,实现电缆防盗实时监测,对隧道内的电缆和电缆环境进行监测,并对地下隧道内的重要位置进行视频监视,最后通过地上的监测中心进行统一分析、管理,当出现异常时,实现报警,及时进行故障排除。 The technical problem to be solved by the present invention is to provide an intelligent comprehensive online monitoring system and method for underground cable operation, realize real-time monitoring of cable anti-theft, monitor the cables and cable environment in the tunnel, and perform video surveillance on important positions in the underground tunnel , and finally carry out unified analysis and management through the monitoring center on the ground. When an abnormality occurs, an alarm will be realized and troubleshooting will be carried out in time.
本发明的技术方案为: Technical scheme of the present invention is:
地下电缆运行智能综合在线监测系统,包括有监控中心,分别与监控中心进行连接的电缆防盗检测单元、电缆视频监测单元、电缆接头温度监测单元、电缆金属护层接地电流监测单元、环境气体监测单元、电缆隧道水位监测单元和电缆隧道烟雾监测单元;所述的电缆防盗检测单元包括有与监控中心通信连接的防盗监控模块,分别与防盗监控模块连接的井盖开合状态传感器、井盖防盗锁和安装于地下隧道内的多个人体红外传感器;所述的电缆视频监测单元包括有与监控中心通信连接的多个摄像装置;所述的电缆接头温度监测单元包括有与监控中心通信连接的温度监测模块,与温度监测模块连接的多个温度传感器;所述的电缆金属护层接地电流监测单元包括有与监控中心通信连接的电流监测模块,与电流监测模块连接的用于采集电缆金属护层接地电流的多个电流互感器;所述的环境气体监测单元包括有与监控中心通信连接的环境气体监测模块,分别与环境气体监测模块连接的多个氧气传感器和多个可燃气体传感器;所述的电缆隧道水位监测单元包括有多个与监控中心通信连接的水位监测模块,多个与对应的水位监测模块连接的水位传感器;所述的电缆隧道烟雾监测单元包括有多个与监控中心通信连接的烟雾监测模块,多个与对应的烟雾监测模块连接的烟雾传感器。 Intelligent comprehensive online monitoring system for underground cable operation, including a monitoring center, cable anti-theft detection unit, cable video monitoring unit, cable joint temperature monitoring unit, cable metal sheath grounding current monitoring unit, and ambient gas monitoring unit respectively connected to the monitoring center , cable tunnel water level monitoring unit and cable tunnel smog monitoring unit; described cable anti-theft detection unit includes the anti-theft monitoring module that is connected with the monitoring center communication, the well cover opening and closing state sensor that is connected with the anti-theft monitoring module respectively, well cover anti-theft lock and installation A plurality of human body infrared sensors in the underground tunnel; the cable video monitoring unit includes a plurality of camera devices communicating with the monitoring center; the cable joint temperature monitoring unit includes a temperature monitoring module communicating with the monitoring center , a plurality of temperature sensors connected with the temperature monitoring module; the cable metal sheath grounding current monitoring unit includes a current monitoring module connected to the monitoring center for communication, connected with the current monitoring module for collecting the cable metal sheath grounding current a plurality of current transformers; the ambient gas monitoring unit includes an ambient gas monitoring module communicated with the monitoring center, a plurality of oxygen sensors and a plurality of combustible gas sensors respectively connected to the ambient gas monitoring module; the cable The tunnel water level monitoring unit includes a plurality of water level monitoring modules connected to the monitoring center, and a plurality of water level sensors connected to the corresponding water level monitoring modules; the cable tunnel smoke monitoring unit includes a plurality of smoke monitoring modules connected to the monitoring center. A monitoring module, a plurality of smoke sensors connected to corresponding smoke monitoring modules.
所述的监控中心包括有综合状态监控平台和视频监视平台,所述的综合状态监控平台和视频监视平台均包括有数据采集服务器,分别与数据采集服务器连接的操作控制平台、磁盘阵列、显示屏、报警器和通信模块;所述的防盗监控模块、温度监测模块、电流监测模块、环境气体监测模块、水位监测模块和烟雾监测模块均与综合状态监控平台的通信模块连接,所述的多个摄像装置均与视频监视平台的通信模块连接。 The monitoring center includes a comprehensive status monitoring platform and a video monitoring platform, and the comprehensive status monitoring platform and the video monitoring platform all include a data acquisition server, an operation control platform, a disk array, and a display screen connected to the data acquisition server respectively. , alarm and communication module; the anti-theft monitoring module, temperature monitoring module, current monitoring module, ambient gas monitoring module, water level monitoring module and smoke monitoring module are all connected with the communication module of the comprehensive state monitoring platform, and the multiple The camera devices are all connected with the communication module of the video monitoring platform.
所述的防盗监控模块、温度监测模块、电流监测模块、环境气体监测模块、水位监测模块和烟雾监测模块均通过光纤与综合状态监控平台的通信模块连接;所述的摄像装置选用网络摄像装置,网络摄像装置通过光纤与视频监视平台的通信模块连接。 The anti-theft monitoring module, temperature monitoring module, current monitoring module, ambient gas monitoring module, water level monitoring module and smoke monitoring module are all connected to the communication module of the comprehensive state monitoring platform through optical fibers; the camera device is selected from a network camera device, The network camera device is connected with the communication module of the video surveillance platform through an optical fiber.
所述的地下隧道内每200米设置有一个人体红外传感器;所述的多个摄像装置分别安装于地下隧道入口处、人井入口处、电缆集中处和电缆接头处;所述的多个温度传感器分别安装于电缆接头处,以及接头跟电缆本体连接部位;所述的多个电流互感器均选用开合式电流互感器,分别安装于接地箱处的A、B、C三相接地线上;所述的多个氧气传感器和多个可燃气体传感器安装于电缆与燃气管道交汇或者相近处,集水沟或者集水井附近;所述的多个水位传感器安装于电缆接头处、水泵附近和集水井处;所述的地下隧道内每200米设置有一个烟雾传感器,且电缆集中处和电缆接头处也安装有烟雾传感器。 A human body infrared sensor is arranged every 200 meters in the underground tunnel; the plurality of camera devices are respectively installed at the entrance of the underground tunnel, the entrance of the human well, the cable concentration place and the cable joint; the plurality of temperature The sensors are respectively installed at the cable joints, as well as at the connecting parts of the joints and the cable body; the multiple current transformers mentioned above are all selected split current transformers, which are respectively installed on the A, B, and C three-phase grounding lines at the grounding box. The plurality of oxygen sensors and the plurality of combustible gas sensors are installed at the intersection or near the cable and the gas pipeline, near the water collection ditch or the water collection well; the plurality of water level sensors are installed at the cable joint, near the water pump and the collection At the water well; a smoke sensor is installed every 200 meters in the underground tunnel, and smoke sensors are also installed at the cable concentration point and the cable joint.
地下电缆运行智能综合在线监测方法,具体包括以下监测步骤: The intelligent comprehensive online monitoring method for underground cable operation specifically includes the following monitoring steps:
(1)、电缆防盗监测:井盖开合状态传感器采集人井井盖的开合状况,人体红外传感器监测隧道内是否有人员,以及对人员定位,然后采集的数据信息通过防盗监控模块传输给监控中心,监控中心实时显示人井井盖的开合状况以及隧道内的人员位置,对非法进入隧道内的情况给予报警,同时远程通过防盗监控模块控制井盖防盗锁的关闭,实现防护; (1) Cable anti-theft monitoring: The manhole cover opening and closing state sensor collects the opening and closing status of the manhole manhole cover, and the human body infrared sensor monitors whether there is a person in the tunnel, and locates the person, and then the collected data information is transmitted to the monitoring center through the anti-theft monitoring module , the monitoring center displays the opening and closing status of the manhole cover and the position of personnel in the tunnel in real time, and gives an alarm for illegal entry into the tunnel, and at the same time remotely controls the closing of the manhole cover anti-theft lock through the anti-theft monitoring module to achieve protection;
(2)、电缆视频监测:摄像装置采集隧道内的视频图像,然后视频图像传输给监控中心,监控中心对视频图像进行显示、存储并进行处理分析,当视频监测点画面出现异常时,监测中心发出报警信号并自动存储视频图像; (2) Cable video monitoring: the camera device collects video images in the tunnel, and then the video images are transmitted to the monitoring center, which displays, stores, and processes and analyzes the video images. When the video monitoring point is abnormal, the monitoring center Send an alarm signal and automatically store video images;
(3)、电缆接头温度监测:温度传感器采集电缆温度数据,通过温度监测模块集中发送给监控中心,监控中心对数据进行统计分析,当温度超过某一设置温度值时,监控中心启动报警,当单位时间内温度变化超过某一设置温度变化值时,监控中心启动报警,当电缆接头和接头延伸部位两个测试点之间的温度差值达到某一设置温度差值时,监控中心启动报警; (3) Cable joint temperature monitoring: The temperature sensor collects cable temperature data and sends them to the monitoring center through the temperature monitoring module. The monitoring center performs statistical analysis on the data. When the temperature exceeds a certain set temperature value, the monitoring center starts an alarm. When the temperature change per unit time exceeds a certain set temperature change value, the monitoring center will start an alarm, and when the temperature difference between the two test points of the cable joint and the joint extension reaches a certain set temperature difference, the monitoring center will start an alarm;
(4)、电缆金属护层接地电流监测:电流互感器采集电缆金属护层接地电流数据,通过电流监测模块集中发送给监控中心,监控中心对数据进行统计分析,当接地电流超过某一设置电流值时,启动报警,当单位时间内接地电流变化超过某一设置电流变化值时,启动报警; (4) Grounding current monitoring of the cable metal sheath: The current transformer collects the grounding current data of the cable metal sheath, and sends it to the monitoring center through the current monitoring module, and the monitoring center performs statistical analysis on the data. When the grounding current exceeds a certain set current When the value is set, the alarm will be activated, and when the ground current change exceeds a certain set current change value per unit time, the alarm will be activated;
(5)、环境气体监测:氧气传感器、可燃气体传感器分别采集隧道内的氧气含量和可燃气体含量,通过环境气体监测模块集中发送给监控中心,监控中心对数据进行统计分析,当氧气或者可燃气体浓度超过某一设置浓度值时,启动报警,当单位时间内气体浓度变化超过某一设置浓度变化值时,启动报警; (5) Ambient gas monitoring: Oxygen sensor and combustible gas sensor respectively collect the oxygen content and combustible gas content in the tunnel, and send them to the monitoring center through the ambient gas monitoring module, and the monitoring center performs statistical analysis on the data. When oxygen or combustible gas When the concentration exceeds a certain set concentration value, the alarm will be activated, and when the gas concentration change per unit time exceeds a certain set concentration change value, the alarm will be activated;
(6)、电缆隧道水位监测:水位传感器采集电缆隧道的水位数据,然后分别通过对应的水位监测模块发送给监控中心,监控中心对数据进行统计分析,当水位值超过某一设置水位值时,启动报警,当单位时间内水位值变化超过某一设置水位变化值时,启动报警; (6) Cable tunnel water level monitoring: The water level sensor collects the water level data of the cable tunnel, and then sends them to the monitoring center through the corresponding water level monitoring module, and the monitoring center performs statistical analysis on the data. When the water level value exceeds a certain set water level value, Start the alarm, when the change of the water level value per unit time exceeds a certain set water level change value, start the alarm;
(7)、电缆隧道烟雾监测:烟雾传感器采集电缆隧道的烟雾报警信号,然后分别通过对应的烟雾监测模块发送给监控中心,监控中心对数据进行统计分析,当烟雾浓度值超过某一设置浓度值时,启动报警,当单位时间内烟雾值变化超过某一设置烟雾变化值时,启动报警。 (7) Smoke monitoring of cable tunnel: the smoke sensor collects the smoke alarm signal of the cable tunnel, and then sends it to the monitoring center through the corresponding smoke monitoring module, and the monitoring center performs statistical analysis on the data. When the smoke concentration value exceeds a certain set concentration value When the smoke value changes within a unit time exceeds a certain set smoke change value, the alarm is started.
本发明的优点: Advantages of the present invention:
本发明采用各种传感器和互感器对电缆和电缆的环境进行监测,监控中心实时掌握电缆的运行情况,当出现异常时,实现报警,提醒工作人员及时排除故障,防止出现大的安全隐患;本发明采用防盗监测,杜绝了电缆的被盗的可能,本发明结合采用视频监控,从而避免了由于视觉疲劳造成的漏报现象,建立一个“全天候无死角的监视平台”,实现电缆隧道内重要位置的可视化监测,替代人工巡检,降低了劳动成本和节省了时间,且视频可进行存储和调取,方便后期维护;本发明的网络连接采用光纤连接,其不与公网、企业内部网络连接,可扩展性强,网络预留接点多,且抗电磁干扰性好,传输质量佳。 The present invention uses various sensors and mutual inductors to monitor the cable and the environment of the cable, and the monitoring center can grasp the operation status of the cable in real time, and when an abnormality occurs, an alarm is realized to remind the staff to eliminate the fault in time to prevent major safety hazards; The invention uses anti-theft monitoring to eliminate the possibility of the cable being stolen. The invention combines the use of video monitoring to avoid the false report phenomenon caused by visual fatigue, and establishes an "all-weather monitoring platform without dead ends" to realize important positions in the cable tunnel. Visual monitoring replaces manual inspection, reduces labor costs and saves time, and the video can be stored and retrieved to facilitate later maintenance; the network connection of the present invention uses optical fiber connection, which is not connected to the public network or the internal network of the enterprise , strong scalability, many reserved network contacts, good anti-electromagnetic interference, and good transmission quality.
附图说明 Description of drawings
图1是本发明地下电缆运行智能综合在线监测系统的原理框图。 Fig. 1 is a functional block diagram of an intelligent comprehensive on-line monitoring system for underground cable operation of the present invention.
具体实施方式 Detailed ways
见图1,地下电缆运行智能综合在线监测系统,、包括有监控中心分别与监控中心进行连接的电缆防盗检测单元、电缆视频监测单元、电缆接头温度监测单元、电缆金属护层接地电流监测单元、环境气体监测单元、电缆隧道水位监测单元和电缆隧道烟雾监测单元; As shown in Figure 1, the intelligent comprehensive online monitoring system for underground cable operation includes a cable anti-theft detection unit, a cable video monitoring unit, a cable joint temperature monitoring unit, a cable metal sheath grounding current monitoring unit, and a monitoring center respectively connected to the monitoring center. Ambient gas monitoring unit, cable tunnel water level monitoring unit and cable tunnel smoke monitoring unit;
监控中心包括有综合状态监控平台11和视频监视平台12,综合状态监控平台和视频监视平台均包括有数据采集服务器111,121,分别与数据采集服务器111,121连接的操作控制平台112,122、磁盘阵列113,123、显示屏114,124、报警器115,125和通信模块116,126; The monitoring center includes a comprehensive status monitoring platform 11 and a video monitoring platform 12, and the comprehensive status monitoring platform and the video monitoring platform both include data acquisition servers 111,121, operation control platforms 112,122, disk arrays 113,123, and display screens that are connected to the data acquisition servers 111,121 respectively. 114,124, alarms 115,125 and communication modules 116,126;
电缆防盗检测单元包括有通过光纤与综合状态监控平台的通信模块116通信连接的防盗监控模块21,分别与防盗监控模块21连接的井盖开合状态传感器22、井盖防盗锁23和安装于地下隧道内的多个人体红外传感器24,且地下隧道内每200米设置有一个人体红外传感器24; The cable anti-theft detection unit includes an anti-theft monitoring module 21 connected to the communication module 116 of the integrated state monitoring platform through an optical fiber, a manhole cover opening and closing state sensor 22 connected to the anti-theft monitoring module 21, a manhole cover anti-theft lock 23 and an anti-theft lock 23 installed in the underground tunnel. A plurality of human body infrared sensors 24, and every 200 meters in the underground tunnel is provided with a human body infrared sensor 24;
电缆视频监测单元包括有通过光纤与视频监视平台的通信模块通信126连接的多个网络摄像装置31;其中,多个网络摄像装置31分别安装于地下隧道入口处、人井入口处、电缆集中处和电缆接头处; The cable video monitoring unit includes a plurality of network camera devices 31 connected to the communication module communication 126 of the video surveillance platform through an optical fiber; wherein, a plurality of network camera devices 31 are respectively installed at the entrance of the underground tunnel, the entrance of the manhole, and the cable concentration place and cable joints;
电缆接头温度监测单元包括有通过光纤与综合状态监控平台的通信模块116通信连接的温度监测模块41,与温度监测模块41连接的多个温度传感器42;多个温度传感器42分别安装于电缆接头处,以及接头跟电缆本体连接部位; The cable joint temperature monitoring unit includes a temperature monitoring module 41 connected to the communication module 116 of the integrated state monitoring platform through an optical fiber, and a plurality of temperature sensors 42 connected to the temperature monitoring module 41; a plurality of temperature sensors 42 are respectively installed at the cable joint , and the connection part between the connector and the cable body;
电缆金属护层接地电流监测单元包括有通过光纤与综合状态监控平台的通信模块116通信连接的电流监测模块51,与电流监测模块51连接的用于采集电缆金属护层接地电流的多个电流互感器52;多个电流互感器52均选用开合式电流互感器,分别安装于接地箱处的A、B、C三相接地线上; The cable metal sheath grounding current monitoring unit includes a current monitoring module 51 connected to the communication module 116 of the integrated state monitoring platform through an optical fiber, and a plurality of current mutual inductances connected to the current monitoring module 51 for collecting the cable metal sheath grounding current A device 52; a plurality of current transformers 52 are all selected split current transformers, which are respectively installed on the A, B, and C three-phase grounding lines at the grounding box;
环境气体监测单元包括有通过光纤与综合状态监控平台的通信模块116通信连接的环境气体监测模块61,分别与环境气体监测模块61连接的多个氧气传感器62和多个可燃气体传感器63;多个氧气传感器62和多个可燃气体传感器63安装于电缆与燃气管道交汇或者相近处,集水沟或者集水井附近; The ambient gas monitoring unit includes an ambient gas monitoring module 61 that is communicatively connected to the communication module 116 of the integrated state monitoring platform through an optical fiber, a plurality of oxygen sensors 62 and a plurality of combustible gas sensors 63 that are connected to the ambient gas monitoring module 61 respectively; The oxygen sensor 62 and a plurality of combustible gas sensors 63 are installed at the intersection or near the cable and the gas pipeline, near the water collecting ditch or the water collecting well;
电缆隧道水位监测单元包括有多个通过光纤与综合状态监控平台的通信模块116通信连接的水位监测模块71,多个与对应的水位监测模块71连接的水位传感器72;多个水位传感器72安装于电缆接头处、水泵附近和集水井处; The cable tunnel water level monitoring unit includes a plurality of water level monitoring modules 71 that are connected to the communication module 116 of the integrated state monitoring platform through optical fibers, and a plurality of water level sensors 72 connected to the corresponding water level monitoring modules 71; a plurality of water level sensors 72 are installed in At cable joints, near water pumps and at water collection wells;
电缆隧道烟雾监测单元包括有多个通过光纤与综合状态监控平台的通信模块116通信连接的烟雾监测模块81,多个与对应的烟雾监测模块81连接的烟雾传感器82;地下隧道内每200米设置有一个烟雾传感器82,且电缆集中处和电缆接头处也安装有烟雾传感器82。 The cable tunnel smoke monitoring unit includes a plurality of smoke monitoring modules 81 connected to the communication module 116 of the integrated state monitoring platform through optical fibers, and a plurality of smoke sensors 82 connected to the corresponding smoke monitoring modules 81; every 200 meters in the underground tunnel There is a smoke sensor 82, and the smoke sensor 82 is also installed at the cable pool and the cable joint.
地下电缆运行智能综合在线监测方法,具体包括以下监测步骤: The intelligent comprehensive online monitoring method for underground cable operation specifically includes the following monitoring steps:
(1)、电缆防盗监测:井盖开合状态传感器22采集人井井盖的开合状况,人体红外传感器24监测隧道内是否有人员,以及对人员定位,然后采集的数据信息通过防盗监控模块21传输给监控中心的综合状态监控平台11,显示屏114实时显示人井井盖的开合状况以及隧道内的人员位置,报警器115对非法进入隧道内的情况给予报警,同时远程通过防盗监控模块21控制井盖防盗锁23的关闭,实现防护; (1), cable anti-theft monitoring: the manhole cover opening and closing state sensor 22 collects the opening and closing status of the manhole manhole cover, the human body infrared sensor 24 monitors whether there is a person in the tunnel, and locates the person, and then the collected data information is transmitted through the anti-theft monitoring module 21 For the comprehensive status monitoring platform 11 of the monitoring center, the display screen 114 displays in real time the opening and closing status of the manhole cover and the position of the personnel in the tunnel, and the alarm 115 gives an alarm to the situation of illegal entry into the tunnel, and at the same time, it is remotely controlled by the anti-theft monitoring module 21 The closing of the well cover anti-theft lock 23 realizes protection;
(2)、电缆视频监测:网络摄像装置31采集隧道内的视频图像,然后视频图像传输给监控中心的视频监视平台12,显示屏124对视频图像进行显示、磁盘阵列123存储、数据采集服务器121进行处理分析,当视频监测点画面出现异常时,报警器125发出报警信号并自动存储视频图像于磁盘阵列123; (2), cable video monitoring: network camera 31 collects the video image in the tunnel, then the video image is transmitted to the video monitoring platform 12 of the monitoring center, the display screen 124 displays the video image, the disk array 123 stores, and the data acquisition server 121 Carry out processing and analysis, when abnormality occurs in the picture of the video monitoring point, the alarm device 125 sends an alarm signal and automatically stores the video image in the disk array 123;
(3)、电缆接头温度监测:温度传感器42采集电缆温度数据,通过温度监测模块41集中发送给监控中心的综合状态监控平台11,综合状态监控平台11对数据进行统计分析,当温度超过某一设置温度值时,综合状态监控平台11启动报警,当单位时间内温度变化超过某一设置温度变化值时,综合状态监控平台11启动报警,当电缆接头和接头延伸部位两个测试点之间的温度差值达到某一设置温度差值时,综合状态监控平台11启动报警; (3), cable joint temperature monitoring: the temperature sensor 42 collects the cable temperature data, and sends it to the comprehensive status monitoring platform 11 of the monitoring center through the temperature monitoring module 41. The comprehensive status monitoring platform 11 performs statistical analysis on the data. When the temperature exceeds a certain When the temperature value is set, the comprehensive state monitoring platform 11 starts an alarm. When the temperature change per unit time exceeds a certain set temperature change value, the comprehensive state monitoring platform 11 starts an alarm. When the temperature difference reaches a certain set temperature difference, the comprehensive state monitoring platform 11 starts an alarm;
(4)、电缆金属护层接地电流监测:电流互感器52采集电缆金属护层接地电流数据,通过电流监测模块51集中发送给监控中心的综合状态监控平台11,综合状态监控平台11对数据进行统计分析,当接地电流超过某一设置电流值时,启动报警,当单位时间内接地电流变化超过某一设置电流变化值时,启动报警; (4) Monitoring of the grounding current of the cable metal sheath: the current transformer 52 collects the grounding current data of the cable metal sheath, and sends them to the comprehensive status monitoring platform 11 of the monitoring center through the current monitoring module 51, and the comprehensive status monitoring platform 11 performs data monitoring. Statistical analysis, when the ground current exceeds a certain set current value, the alarm is activated, and when the ground current change exceeds a certain set current change value per unit time, the alarm is activated;
(5)、环境气体监测:氧气传感器62、可燃气体传感器63分别采集隧道内的氧气含量和可燃气体含量,通过环境气体监测模块61集中发送给监控中心的综合状态监控平台11,综合状态监控平台11对数据进行统计分析,当氧气或者可燃气体浓度超过某一设置浓度值时,启动报警,当单位时间内气体浓度变化超过某一设置浓度变化值时,启动报警; (5) Ambient gas monitoring: Oxygen sensor 62 and combustible gas sensor 63 respectively collect the oxygen content and combustible gas content in the tunnel, and send them to the integrated status monitoring platform 11 and integrated status monitoring platform of the monitoring center through the ambient gas monitoring module 61 11 Statistically analyze the data, when the oxygen or combustible gas concentration exceeds a certain set concentration value, the alarm is activated, and when the gas concentration change per unit time exceeds a certain set concentration change value, the alarm is activated;
(6)、电缆隧道水位监测:水位传感器72采集电缆隧道的水位数据,然后分别通过对应的水位监测模块71发送给监控中心的综合状态监控平台11,综合状态监控平台11对数据进行统计分析,当水位值超过某一设置水位值时,启动报警,当单位时间内水位值变化超过某一设置水位变化值时,启动报警; (6), cable tunnel water level monitoring: the water level sensor 72 collects the water level data of the cable tunnel, and then sends them to the comprehensive state monitoring platform 11 of the monitoring center through the corresponding water level monitoring module 71, and the comprehensive state monitoring platform 11 performs statistical analysis on the data, When the water level value exceeds a certain set water level value, the alarm is activated; when the water level value changes per unit time exceeds a certain set water level change value, the alarm is activated;
(7)、电缆隧道烟雾监测:烟雾传感器82采集电缆隧道的烟雾报警信号,然后分别通过对应的烟雾监测模块81发送给监控中心的综合状态监控平台11,综合状态监控平台11对数据进行统计分析,当烟雾浓度值超过某一设置浓度值时,启动报警,当单位时间内烟雾值变化超过某一设置烟雾变化值时,启动报警。 (7), cable tunnel smoke monitoring: the smoke sensor 82 collects the smoke alarm signal of the cable tunnel, and then sends it to the comprehensive status monitoring platform 11 of the monitoring center through the corresponding smoke monitoring module 81, and the comprehensive status monitoring platform 11 performs statistical analysis on the data , when the smoke concentration value exceeds a certain set concentration value, the alarm is activated, and when the change of the smoke value per unit time exceeds a certain set smoke change value, the alarm is activated.
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