CN105375627A - Distribution substation running state monitoring and security pre-warning apparatus - Google Patents
Distribution substation running state monitoring and security pre-warning apparatus Download PDFInfo
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 32
- 239000000779 smoke Substances 0.000 claims abstract description 12
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- 229910018503 SF6 Inorganic materials 0.000 description 9
- 239000007789 gas Substances 0.000 description 9
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- 238000000034 method Methods 0.000 description 4
- 229960000909 sulfur hexafluoride Drugs 0.000 description 4
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- 238000004891 communication Methods 0.000 description 1
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Abstract
本发明公开了一种配电变电站运行状态监测及安全预警装置,解决了变电站实时监测不到位和预警不及时的技术问题。本发明公开了一套配电变电站运行状态监测及安全预警装置,包括SF6气体变送器、温湿度传感器、声音传感器、红外移动传感器、电压电流功率传感器、离子烟雾传感器、现场采集模块、现场声光报警器、嵌入式触摸屏工控机、短信模块、监控终端;所述SF6气体变送器、温湿度传感器、声音传感器、红外移动传感器、电压电流功率传感器、离子烟雾传感器与现场采集模块连接;所述现场声光报警器与现场采集模块连接;所述现场采集模块与嵌入式触摸屏工控机连接。保证了配电室的安全,防止危险发生。
The invention discloses an operation state monitoring and safety early warning device of a power distribution substation, which solves the technical problems that the real-time monitoring of the substation is not in place and the early warning is not timely. The invention discloses a set of operation status monitoring and safety early warning devices for power distribution substations, including SF6 gas transmitters, temperature and humidity sensors, sound sensors, infrared movement sensors, voltage and current power sensors, ion smoke sensors, on-site acquisition modules, on-site sound Light alarm, embedded touch screen industrial computer, SMS module, monitoring terminal; the SF6 gas transmitter, temperature and humidity sensor, sound sensor, infrared motion sensor, voltage and current power sensor, ion smoke sensor are connected to the on-site acquisition module; The on-site sound and light alarm is connected to the on-site acquisition module; the on-site acquisition module is connected to the embedded touch screen industrial computer. It ensures the safety of the power distribution room and prevents danger from happening.
Description
技术领域 technical field
本发明专利涉及一种配电变电站运行状态监测及安全预警装置,属于变电站智能监控领域。 The patent of the invention relates to an operation state monitoring and safety early warning device of a power distribution substation, which belongs to the field of intelligent monitoring of substations.
背景技术 Background technique
配电变电站(配变室)位于电网末端,直接关系到居民的正常生活和社会安定,因此保证配变室的安全稳定运行具有非常重要的意义。随着社会对供电可靠性要求的提高和智能电网的建设,这些配电变电站需要提高运行自动化水平,但是这些站数量众多,仍按枢纽变电站监测方式配置多种装置成本过高,目前,配电变电站一般也是无人值守方式,这些配电变电站设计时没有受到重视,一般没有专用的通信通道,也尚未配置监测系统。配电变电站地理位置分散、数量众多、运行环境复杂,虽然电压等级较低,但这类变电站周期性巡视负担越来越重,由于巡视不到位或巡视间隔过长,已经成为电网中存在安全隐患最多的部分。综上所述,深入分析配电运行、检修和管理中存在的问题,开发安装一套合适监控及预警分析系统,提高配电变电站运行的可靠性和自动化程度势在必行。开展配电变电站运行状态监测及安全预警系统方案研究,具有重要的工程实用价值。 The distribution substation (distribution room) is located at the end of the power grid, which is directly related to the normal life of residents and social stability. Therefore, it is of great significance to ensure the safe and stable operation of the distribution room. With the improvement of society's requirements for power supply reliability and the construction of smart grids, these distribution substations need to improve the level of operation automation, but there are a large number of these substations, and the cost of configuring multiple devices according to the hub substation monitoring method is too high. At present, power distribution Substations are generally unattended. These distribution substations have not been paid attention to when they are designed. Generally, there are no dedicated communication channels and monitoring systems have not yet been configured. Distribution substations are geographically scattered, numerous in number, and operating in a complex environment. Although the voltage level is low, the burden of periodic inspections of such substations is getting heavier and heavier. Due to insufficient inspections or too long inspection intervals, it has become a potential safety hazard in the power grid. most parts. To sum up, it is imperative to deeply analyze the problems existing in distribution operation, maintenance and management, develop and install a suitable monitoring and early warning analysis system, and improve the reliability and automation of distribution substation operation. Carrying out the research on the operation status monitoring and safety early warning system of distribution substation has important engineering practical value.
发明内容 Contents of the invention
本发明提供了一种配电变电站运行状态监测及安全预警装置,解决了变电站实时监测不到位和预警不及时的技术问题。 The invention provides an operation state monitoring and safety early warning device of a power distribution substation, which solves the technical problems that the real-time monitoring of the substation is not in place and the early warning is not timely.
本发明是通过以下技术方案解决以上技术问题的: The present invention solves the above technical problems through the following technical solutions:
本发明专利的一套配电变电站运行状态监测及安全预警装置,包括SF6气体变送器、温湿度传感器、声音传感器、红外移动传感器、电压电流功率传感器、离子烟雾传感器、现场采集模块、现场声光报警器、嵌入式触摸屏工控机、短信模块、监控终端;所述SF6气体变送器、温湿度传感器、声音传感器、红外移动传感器、电压电流功率传感器、离子烟雾传感器与现场采集模块连接;所述现场声光报警器与现场采集模块连接;所述现场采集模块与嵌入式触摸屏工控机连接;所述嵌入式触摸屏工控机与短信模块连接;所述短信模块与远方监测电脑或运行管理人手机相连接。 A set of power distribution substation operation status monitoring and safety early warning device patented by the present invention, including SF6 gas transmitter, temperature and humidity sensor, sound sensor, infrared motion sensor, voltage current power sensor, ion smoke sensor, on-site acquisition module, on-site sound sensor Light alarm, embedded touch screen industrial computer, SMS module, monitoring terminal; the SF6 gas transmitter, temperature and humidity sensor, sound sensor, infrared motion sensor, voltage and current power sensor, ion smoke sensor are connected to the on-site acquisition module; The on-site sound and light alarm is connected with the on-site acquisition module; the on-site acquisition module is connected with the embedded touch screen industrial computer; the embedded touch screen industrial computer is connected with the short message module; the short message module is connected with the remote monitoring computer or the mobile phone of the operation manager connected.
本发明专利的一套配电变电站运行状态监测及安全预警装置,通过监控终端可以监测变电站多种参数,对火灾、非法侵入和运行异常故障及隐患实时报警。电参数测量精度0.4%,能检测出SF6气体含量达2ppm;系统还可以进行智能分析,并以历史曲线形式记录各种参量运行数据,来保证配电室的安全,防止危险发生。 A set of power distribution substation operation status monitoring and safety early warning device patented by the present invention can monitor various parameters of the substation through the monitoring terminal, and give real-time alarms to fire, illegal intrusion, abnormal operation faults and hidden dangers. The electrical parameter measurement accuracy is 0.4%, and the SF6 gas content can be detected up to 2ppm; the system can also perform intelligent analysis, and record various parameter operation data in the form of historical curves to ensure the safety of the power distribution room and prevent danger.
本发明具有以下优点:可以监测变电站多种参数,对火灾、非法侵入、玻璃破碎和运行异常故障及隐患实时报警,并及时远传到工作人员手机或监测服务器。系统可以进行智能分析,并以历史曲线形式记录各种参量运行数据,可分类查询。系统应用后可大大提高供电可靠性,经济和社会效益非常明显。 The invention has the following advantages: it can monitor various parameters of the substation, and alarm in real time for fire, illegal intrusion, glass breakage, abnormal operation faults and hidden dangers, and send them to the staff's mobile phone or monitoring server in time. The system can perform intelligent analysis, and record various parameter operating data in the form of historical curves, which can be queried by category. After the application of the system, the reliability of power supply can be greatly improved, and the economic and social benefits are very obvious.
附图说明 Description of drawings
图1为本发明专利的装置连接系统图; Fig. 1 is the device connection system diagram of the patent of the present invention;
图2为本发明专利的装置连接实物图; Fig. 2 is the physical diagram of the device connection of the patent of the present invention;
图3为本发明专利的数据采集模块的结构示意图。 Fig. 3 is a schematic structural diagram of the data acquisition module of the patent of the present invention.
具体实施方式 detailed description
下面结合附图对本发明进行详细说明: The present invention is described in detail below in conjunction with accompanying drawing:
本发明专利的一套配电变电站运行状态监测及安全预警装置,包括SF6气体变送器1、温湿度传感器2、声音传感器3、红外移动传感器4、电压电流功率传感器5、离子烟雾传感器6、现场采集模块8、现场声光报警器7、嵌入式触摸屏工控机9、短信模块10、监控人员手机11、监控终端12;所述SF6气体变送器1、温湿度传感器2、声音传感器3、红外移动传感器4、电压电流功率传感器5、离子烟雾传感器6与现场采集模块8连接;所述现场声光报警器7与现场采集模块8连接;所述现场采集模块8与嵌入式触摸屏工控机9连接;所述嵌入式触摸屏工控机9与短信模块10连接;所述短信模块10与远方监测电脑12或运行管理人手机11相连接。 A set of power distribution substation operation status monitoring and safety warning device patented by the present invention, including SF6 gas transmitter 1, temperature and humidity sensor 2, sound sensor 3, infrared movement sensor 4, voltage current power sensor 5, ion smoke sensor 6, On-site acquisition module 8, on-site sound and light alarm 7, embedded touch screen industrial computer 9, short message module 10, monitoring personnel mobile phone 11, monitoring terminal 12; the SF6 gas transmitter 1, temperature and humidity sensor 2, sound sensor 3, Infrared mobile sensor 4, voltage current power sensor 5, ion smoke sensor 6 are connected with on-site acquisition module 8; described on-site sound and light alarm 7 is connected with on-site acquisition module 8; described on-site acquisition module 8 is connected with embedded touch screen industrial computer 9 Connection; the embedded touch screen industrial computer 9 is connected with the short message module 10; the short message module 10 is connected with the remote monitoring computer 12 or the mobile phone 11 of the operation manager.
优选地,所述六氟化硫气体变送器1应尽可能安装在靠近含有六氟化硫的设备,可以实时监测设备的运行状况。六氟化硫气体变送器内含六氟化硫气体传感器,该方法的特点是灵敏度高,不受其它气体以及环境的影响和干扰,同时对环境的温度和湿度的变化所带来的检测误差很小,不会产生误报警,可以及时发现泄漏,反应迅速; Preferably, the sulfur hexafluoride gas transmitter 1 should be installed as close as possible to the equipment containing sulfur hexafluoride, so as to monitor the operation status of the equipment in real time. The sulfur hexafluoride gas transmitter contains a sulfur hexafluoride gas sensor. This method is characterized by high sensitivity and is not affected and interfered by other gases and the environment. The error is very small, no false alarm will be generated, the leakage can be found in time, and the response is quick;
优选地,所述温湿度传感器2应尽可能安装于空气流通并且阳光无法直射的位置,以便及时获得室内的温度和湿度变化。温湿度传感器2采集到空气中温度值和湿度值后,数据采集器8处理转化为数字信号,再传输给工控机9,工控机9会经过分析比较,判断是否超过阈值,进而确定是否要发出报警信号,并向工作人员发出讯号; Preferably, the temperature and humidity sensor 2 should be installed as far as possible in a place where the air is ventilated and the sunlight is out of direct sunlight, so as to obtain indoor temperature and humidity changes in time. After the temperature and humidity sensor 2 collects the temperature value and humidity value in the air, the data collector 8 processes and converts it into a digital signal, and then transmits it to the industrial computer 9. The industrial computer 9 will analyze and compare to determine whether it exceeds the threshold, and then determine whether to send Alarm signal and signal to staff;
优选地,所述声音传感器3应安装在配变室的门或者窗户上,实时监测门窗发出的声音信号。当配变室的窗户玻璃遭到敲碎或门被撬开,声信号传感器均会采集到较大的声压级信号,由数据采集器8处理转化为数字信号,再传输给工控机9。工控机会经过分析比较判断是否有人为的破坏,进而确定是否要发出报警信号,并向工作人员发出讯号; Preferably, the sound sensor 3 should be installed on the door or window of the distribution room to monitor the sound signal from the door and window in real time. When the window glass of the distribution room is broken or the door is pried open, the acoustic signal sensor will collect a relatively large sound pressure level signal, which will be processed by the data collector 8 and converted into a digital signal, and then transmitted to the industrial computer 9 . The industrial control machine will analyze and compare to determine whether there is man-made damage, and then determine whether to send an alarm signal and send a signal to the staff;
优选地,红外移动传感器4应安装在配电室入口位置,且只对人体的移动或运动敏感,对静止的人体不敏感,当有人非法入侵时,能及时发出警报,并向工作人员发出讯号; Preferably, the infrared motion sensor 4 should be installed at the entrance of the power distribution room, and it is only sensitive to the movement or motion of the human body, but not to the stationary human body. When someone invades illegally, it can send an alarm in time and send a signal to the staff ;
优选地,所述电压电流功率传感器5应安装在进线刀闸、断路器、进出母线等位置,来监测进线刀闸、断路器等开关位置、进出母线的电压、电流和功率等电参数,判断变电站失电、过压、过流故障及过负荷等状态; Preferably, the voltage, current and power sensor 5 should be installed at the position of the incoming line knife switch, circuit breaker, incoming and outgoing busbar, etc., to monitor the switch positions of the incoming line knife switch, circuit breaker, etc., the voltage, current and power of the incoming and outgoing busbar, etc. , to judge the status of substation power failure, overvoltage, overcurrent fault and overload;
优选地,所述离子烟雾传感器6应安装在烟雾可能经过的位置,如窗户上端、设备上方的天花板等,这样可以保证传感器的灵敏性,离子烟雾传感器6根据烟雾对空气中离子吸附作用的原理进行测量,再经过数据采集器8处理转化为数字信号,再传输给工控机9。工控机9会经过分析比较,判断是否超过阈值,进而确定是否要发出报警信号,并向工作人员发出讯号; Preferably, the ion smoke sensor 6 should be installed in the position where the smoke may pass, such as the upper end of the window, the ceiling above the equipment, etc., so that the sensitivity of the sensor can be guaranteed. The ion smoke sensor 6 is based on the principle of the ion adsorption of the smoke to the air The measurement is carried out, and then processed by the data collector 8 and converted into a digital signal, and then transmitted to the industrial computer 9 . The industrial computer 9 will analyze and compare to determine whether the threshold is exceeded, and then determine whether to send an alarm signal, and send a signal to the staff;
优选地,所述短信模块10通过网络或GPRS与远方监测电脑12或运行管理人手机11相连接。 Preferably, the short message module 10 is connected with the remote monitoring computer 12 or the mobile phone 11 of the operation manager through the network or GPRS.
以上各实施例仅用以说明本发明的技术方案,而非对其限制,也没有指定所用传感器所用厂家和型号;尽管参照前述各实施例对本发明进行了详细的说明,本领域的普通技术人员应当理解:在不脱离本发明构思的前提下,本领域的普通技术人员对本发明方案做出的各种改进和变型,均应在本发明的保护范围内,本发明方案请求保护的技术方案,已经全部记载到权利要求书中。 The above embodiments are only used to illustrate the technical solution of the present invention, rather than limiting it, and the manufacturer and model used for the sensor are not specified; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art It should be understood that: under the premise of not departing from the concept of the present invention, various improvements and modifications made by those skilled in the art to the present invention should be within the scope of protection of the present invention, and the technical solutions claimed by the present invention, Everything is described in the claims.
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