CN104634391A - On-line monitoring system of high-voltage power transmission line - Google Patents
On-line monitoring system of high-voltage power transmission line Download PDFInfo
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Abstract
一种高压输电线路在线监测系统，包括控制系统、监测中心、无线通信系统和远程监控系统，其特征在于，所述监测中心由导线温度监测单元、导线弧垂监测单元、风速风向监测单元、杆塔倾斜监测单元组成，所述监测中心由中央控制模块、基站、监测装置和监测终端四部分组成，所述监测终端安装在输电导线上，以一定的采样间隔定时完成导线温度以及导线弧垂的监测和采集，所述基站和监测装置安装在杆塔上，实时对环境温度、湿度、风速、风向、杆塔倾斜、绝缘子泄露电流等信息进行监测。本发明的有益效果是：本发明提供的高压输电线路在线监测系统可以监测输电线路的导线温度、环境湿度、杆塔角度、绝缘子角度、风速风向并将信息发送至监测中心进行记录。
An on-line monitoring system for high-voltage transmission lines, including a control system, a monitoring center, a wireless communication system and a remote monitoring system, characterized in that the monitoring center consists of a wire temperature monitoring unit, a wire sag monitoring unit, a wind speed and direction monitoring unit, and a tower The monitoring center is composed of four parts: the central control module, the base station, the monitoring device and the monitoring terminal. The monitoring terminal is installed on the transmission wire, and the monitoring of the temperature of the wire and the sag of the wire is completed at a certain sampling interval. and collection, the base station and the monitoring device are installed on the tower to monitor the ambient temperature, humidity, wind speed, wind direction, tower tilt, insulator leakage current and other information in real time. The beneficial effects of the present invention are: the high-voltage transmission line online monitoring system provided by the present invention can monitor the conductor temperature, ambient humidity, tower angle, insulator angle, wind speed and direction of the transmission line and send the information to the monitoring center for recording.
Description
技术领域 technical field
本发明涉及高压输电模块技术领域，特别涉及一种高压输电线路在线监测系统。 The invention relates to the technical field of high-voltage power transmission modules, in particular to an online monitoring system for high-voltage power transmission lines.
背景技术 Background technique
随着我国国民经济的发展，建设远距离、大容量的输电线路并提高输电线路的输送能力势在必行，例如可选用高耐压耐流的新型耐热导线，然而由于我国在高压输电技术的研究开发中起步较晚，应用时间也较短，所以在高压输电的安全监测领域仍存在一定的技术缺陷，无法完成有效的在线监测。 With the development of my country's national economy, it is imperative to build long-distance, large-capacity transmission lines and improve the transmission capacity of transmission lines. For example, new heat-resistant wires with high withstand voltage and current resistance can be selected. The research and development of the technology started late, and the application time is short, so there are still some technical defects in the field of safety monitoring of high-voltage transmission, and effective online monitoring cannot be completed.
专利CN201410251050.7公开了一种架空高压线路在线监测装置，包括控制器系统电路、绝缘子漏电流监测电路、温湿度监测电路、杆塔震动监测电路、通信电路和电源系统电路，控制器系统电路由处理器、存储器、通信接口扩展电路、逻辑电路和看门狗电路、晶振电路组成，绝缘子漏电流电阻由电流监测环、信号调理电路、ADC 电路、基准电压源和 SPI 通信电路组成，温湿度监测电路由温度传感器和湿度传感器组成。其结构简单，使用、安装方便，操作简单，成本低，提供绝缘子漏电流监测、温湿度监测和杆塔震动监测功能，适用范围广，使用寿命长，具有安全可靠的作用，该发明虽然提供了绝缘子漏电流监测、温湿度监测和杆塔震动监测功能，但是对各线路以及各有效参数的监测，比如风向、风速、周围环境以及杆塔倾斜等参数的监测数据不完整，因此必要要求一种高压输电线路在线监测系统对各项数据进行监测，并对监测数据进行实时分析、诊断和预测线路的运行状态，提高对输电线路安全经济运行的管理水平，并为输电线路的状态检修工作提供必要的参考，保证输电线路的安全、稳定运行。 Patent CN201410251050.7 discloses an online monitoring device for overhead high-voltage lines, including a controller system circuit, an insulator leakage current monitoring circuit, a temperature and humidity monitoring circuit, a tower vibration monitoring circuit, a communication circuit and a power system circuit. The controller system circuit is processed by device, memory, communication interface expansion circuit, logic circuit, watchdog circuit, and crystal oscillator circuit. The insulator leakage current resistance is composed of a current monitoring loop, signal conditioning circuit, ADC circuit, reference voltage source and SPI communication circuit. The temperature and humidity monitoring circuit It consists of a temperature sensor and a humidity sensor. Its structure is simple, easy to use and install, simple to operate, and low in cost. It provides insulator leakage current monitoring, temperature and humidity monitoring, and tower vibration monitoring functions. It has a wide range of applications, long service life, and has safe and reliable functions. Leakage current monitoring, temperature and humidity monitoring and tower vibration monitoring functions, but the monitoring of each line and each effective parameter, such as wind direction, wind speed, surrounding environment and tower tilt and other monitoring data is incomplete, so it is necessary to require a high-voltage transmission line The online monitoring system monitors various data, and conducts real-time analysis, diagnosis and prediction of the operating status of the monitoring data, improves the management level of the safe and economical operation of the transmission line, and provides the necessary reference for the condition maintenance of the transmission line. Ensure the safe and stable operation of transmission lines.
发明内容 Contents of the invention
本发明所要解决的技术问题是提供一种高压输电线路在线监测系统，提供导线温度监测、风速风向监测以及杆塔倾斜监测功能，准确监测输电线路的运行状况。 The technical problem to be solved by the present invention is to provide an on-line monitoring system for high-voltage transmission lines, which provides the functions of wire temperature monitoring, wind speed and direction monitoring, and tower inclination monitoring, and accurately monitors the operation status of the transmission line.
为解决上述问题，本发明采用如下技术方案： In order to solve the above problems, the present invention adopts the following technical solutions:
一种高压输电线路在线监测系统，包括控制系统、监测中心、无线通信系统和远程监控系统，控制系统与监测中心相连接，控制监测中心的运行，所述监测中心由中央控制模块、基站、监测装置和监测终端四部分组成，所述监测终端安装在输电导线上，所述基站和监测装置安装在杆塔上，所述监测终端由电源、主控制器、无线通信模块、时钟控制模块和采集机构五个部分组成，所述采集机构包括温度传感器、湿度传感器、风速传感器、风向传感器、角度传感器，实现导线温度和环境气象等信息的实时采集并将信息发送至监测中心。 An online monitoring system for high-voltage transmission lines, including a control system, a monitoring center, a wireless communication system, and a remote monitoring system. The control system is connected to the monitoring center to control the operation of the monitoring center. The monitoring center consists of a central control module, a base station, and a monitoring The device and the monitoring terminal are composed of four parts, the monitoring terminal is installed on the power transmission line, the base station and the monitoring device are installed on the tower, and the monitoring terminal is composed of a power supply, a main controller, a wireless communication module, a clock control module and an acquisition mechanism Composed of five parts, the collection mechanism includes a temperature sensor, a humidity sensor, a wind speed sensor, a wind direction sensor, and an angle sensor to realize real-time collection of information such as wire temperature and environmental weather and send the information to the monitoring center.
所述远程监控系统根据上述采集的信息判断输电线路是否出现异常，当出现异常时，及时发出报警信息并处理异常。 The remote monitoring system judges whether there is an abnormality in the transmission line according to the information collected above, and when an abnormality occurs, it sends an alarm message in time and handles the abnormality.
所述传感器包括导线温度传感器，用于测量导线温度，发送所述导线温度至所述监测中心。 The sensor includes a wire temperature sensor for measuring the temperature of the wire and sending the temperature of the wire to the monitoring center.
所述传感器包括环境湿度传感器，用于监测输电线路附近环境的湿度，发送所述湿度至所述监测中心。 The sensor includes an environment humidity sensor, which is used for monitoring the humidity of the environment near the power transmission line, and sending the humidity to the monitoring center.
所述传感器包括角度传感器，用于监测杆塔或绝缘子的倾斜角度，发送所述倾斜角度至所述监测中心。 The sensor includes an angle sensor for monitoring the inclination angle of the tower or the insulator, and sending the inclination angle to the monitoring center.
所述传感器包括风速风向传感器，用于监测环境气象的风速风向，发送所述风速风向至所述监测中心。 The sensor includes a wind speed and direction sensor, which is used to monitor the wind speed and direction of the ambient weather, and send the wind speed and direction to the monitoring center.
所述无线通信模块采用ZigBee短距离无线通信技术与GPRS远距离通信技术相结合的无线通信方式。 The wireless communication module adopts a wireless communication method combining ZigBee short-distance wireless communication technology and GPRS long-distance communication technology.
本发明的有益效果是： The beneficial effects of the present invention are:
本发明提供的高压输电线路在线监测系统，监测中心可以监测输电线路的导线温度、环境湿度、杆塔角度、绝缘子角度、风速风向信息，并且发送所述信息至监测中心，监测中心收到信息并反馈给远程监控系统，远程监控系统根据上述采集的信息并结合系统模型判断输电线路是否出现异常，当出现异常时，及时发出报警信息并处理异常，同时，本发明系统的无线通信模块采用ZigBee短距离无线通信技术与GPRS远距离通信技术相结合的通信方式，使得系统应用更加灵活，有效地节约了通讯成本和运行维护成本，无需单独架设通信网络，实施方便。 In the online monitoring system for high-voltage transmission lines provided by the present invention, the monitoring center can monitor the wire temperature, ambient humidity, pole angle, insulator angle, wind speed and direction information of the transmission line, and send the information to the monitoring center, and the monitoring center receives the information and feeds back For the remote monitoring system, the remote monitoring system judges whether there is abnormality in the transmission line according to the information collected above and in conjunction with the system model. When an abnormality occurs, it sends an alarm message in time and handles the abnormality. At the same time, the wireless communication module of the system of the present invention adopts ZigBee short-distance The communication method combining wireless communication technology and GPRS long-distance communication technology makes the system application more flexible, effectively saves communication costs and operation and maintenance costs, and does not need to set up a separate communication network, which is convenient for implementation.
导线温度传感器是通过导线随温度变化而改变某种特性来间接测量导线的温度，并且记录所述温度至监测中心进行记录保存，环境湿度传感器，用于监测输电线路附近环境的湿度，对于高压输电线路来说，环境湿度是影响其运行的主要因素之一，因此掌握输电线路附近环境的湿度是很有必要的，监测杆塔或绝缘子的倾斜角度对输电线路的影响非常大，如果倾斜角度过大的话可能会造成金具损坏，因此必须设置角度传感器实时对倾斜角度进行监测，以保障输电线路的安全，风吹在导线、杆塔上，增加了作用在导线和杆塔上的载荷，因此风速风向也是影响高压输电线路的主要因素之一，设置风速风向传感器，监测环境气象的风速风向，并将风速以及风向值发送至监测中心并进行记录是很有必要的。 The wire temperature sensor indirectly measures the temperature of the wire by changing a certain characteristic of the wire as the temperature changes, and records the temperature to the monitoring center for record keeping. The ambient humidity sensor is used to monitor the humidity of the environment near the transmission line. For high-voltage transmission For lines, ambient humidity is one of the main factors affecting their operation. Therefore, it is necessary to master the humidity of the environment near the transmission line. The inclination angle of the monitoring tower or insulator has a great impact on the transmission line. If the inclination angle is too large Otherwise, it may cause damage to the hardware, so an angle sensor must be installed to monitor the inclination angle in real time to ensure the safety of the transmission line. The wind blows on the wires and towers, which increases the load on the wires and towers, so the wind speed and direction also affect One of the main factors of high-voltage transmission lines, it is necessary to set up wind speed and direction sensors to monitor the wind speed and direction of the ambient weather, and send the wind speed and wind direction values to the monitoring center for recording.
附图说明 Description of drawings
图1是本发明高压输电线路在线监测系统的结构原理图。 Fig. 1 is a structural principle diagram of the high-voltage transmission line online monitoring system of the present invention.
图2是本发明高压输电线路在线监测系统的监测终端的结构原理图。 Fig. 2 is a structural principle diagram of a monitoring terminal of the high-voltage transmission line online monitoring system of the present invention.
具体实施方式 Detailed ways
实施例1 Example 1
如图1、图2所示，一种高压输电线路在线监测系统，包括控制系统、监测中心、无线通信系统和远程监控系统，控制系统、监测中心、远程监控系统通过无线通信系统相连接，监测中心由中央控制模块、基站、监测装置和监测终端四部分组成，所述监测终端安装在输电导线上，所述基站和监测装置安装在杆塔上，所述监测终端由电源、主控制器、无线通信模块、时钟控制模块和传感器五个部分组成，传感器采用数字传感器，包括温度传感器、湿度传感器、风速传感器、风向传感器、角度传感器，实现导线温度和环境气象等信息的实时采集并将信息发送至监测中心。 As shown in Figure 1 and Figure 2, an online monitoring system for high-voltage transmission lines includes a control system, a monitoring center, a wireless communication system, and a remote monitoring system. The control system, monitoring center, and remote monitoring system are connected through a wireless communication system. The center consists of four parts: a central control module, a base station, a monitoring device and a monitoring terminal. The monitoring terminal is installed on the power transmission line, the base station and the monitoring device are installed on the tower, and the monitoring terminal is composed of a power supply, a main controller, a wireless Communication module, clock control module and sensor are composed of five parts. The sensor adopts digital sensor, including temperature sensor, humidity sensor, wind speed sensor, wind direction sensor, angle sensor, to realize real-time collection of wire temperature and environmental weather and other information and send the information to monitoring center.
远程监控系统根据上述采集的信息并结合系统模型判断输电线路是否出现异常，当出现异常时，及时发出报警信息并处理异常。 The remote monitoring system judges whether there is an abnormality in the transmission line based on the information collected above and combined with the system model. When an abnormality occurs, it sends an alarm message in time and handles the abnormality.
传感器包括导线温度传感器，用于测量导线温度，发送所述温度至所述监测中心，温度传感器采用直接接触的方式，实时、精确地监测到高压输电线路导线的温度，导线温度传感器封装于金属套中，用引线将管脚引出，并外加屏蔽线。金属套内灌入导热沙，并用胶封口，该导线温度传感器防挤压、防水性能好，能有效屏蔽输电线路对传感信号的干扰，性能得到了很大的提升。 The sensor includes a wire temperature sensor, which is used to measure the temperature of the wire and send the temperature to the monitoring center. The temperature sensor adopts a direct contact method to monitor the temperature of the high-voltage transmission line wire in real time and accurately. The wire temperature sensor is packaged in a metal sleeve , lead out the pins with lead wires, and add shielded wires. Heat-conducting sand is poured into the metal sleeve and sealed with glue. The wire temperature sensor has good anti-extrusion and waterproof performance, and can effectively shield the interference of the transmission line on the sensing signal, and its performance has been greatly improved.
传感器包括环境湿度传感器，用于监测输电线路附近环境的控制湿度，发送所述湿度至所述监测中心。 The sensors include an ambient humidity sensor for monitoring the controlled humidity of the environment near the transmission line and sending said humidity to said monitoring center.
所述传感器包括角度传感器，用于监测杆塔或绝缘子的倾斜角度，发送所述倾斜角度至所述监测中心。 The sensor includes an angle sensor for monitoring the inclination angle of the tower or the insulator, and sending the inclination angle to the monitoring center.
传感器包括风速风向传感器，用于监测环境气象的风速风向，发送所述风速风向至所述监测中心。 The sensor includes a wind speed and direction sensor, which is used to monitor the wind speed and direction of the ambient weather, and send the wind speed and direction to the monitoring center.
无线通信模块采用ZigBee短距离无线通信技术与GPRS远距离通信技术相结合的无线通信方式，无线通信模块具备高抗干扰能力和低误码率，能保证传输数据的准确性，使得系统应用更加灵活，有效地节约了通讯成本和运行维护成本，无需单独架设通信网络，实施方便。 The wireless communication module adopts the wireless communication method combining ZigBee short-distance wireless communication technology and GPRS long-distance communication technology. The wireless communication module has high anti-interference ability and low bit error rate, which can ensure the accuracy of transmitted data and make the system application more flexible , effectively saving communication costs and operation and maintenance costs, no need to set up a separate communication network, and easy to implement.
以上所述仅为本发明的优选并不用于限制本发明，显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。 The above description is only the preference of the present invention and is not intended to limit the present invention. Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.
实施例2 Example 2
如图1、图2所示，一种高压输电线路在线监测系统，包括控制系统、监测中心、无线通信系统和远程监控系统，控制系统、监测中心、远程监控系统通过无线通信系统相连接，监测中心由中央控制模块、基站、监测装置和监测终端四部分组成，所述监测终端安装在输电导线上，所述基站和监测装置安装在杆塔上，所述监测终端由电源、主控制器、无线通信模块、时钟控制模块和传感器五个部分组成，传感器采用数字传感器，包括温度传感器、湿度传感器、风速传感器、风向传感器、角度传感器，实现导线温度和环境气象等信息的实时采集并将信息发送至监测中心。 As shown in Figure 1 and Figure 2, an online monitoring system for high-voltage transmission lines includes a control system, a monitoring center, a wireless communication system, and a remote monitoring system. The control system, monitoring center, and remote monitoring system are connected through a wireless communication system. The center consists of four parts: a central control module, a base station, a monitoring device and a monitoring terminal. The monitoring terminal is installed on the power transmission line, the base station and the monitoring device are installed on the tower, and the monitoring terminal is composed of a power supply, a main controller, a wireless Communication module, clock control module and sensor are composed of five parts. The sensor adopts digital sensor, including temperature sensor, humidity sensor, wind speed sensor, wind direction sensor, angle sensor, to realize real-time collection of wire temperature and environmental weather and other information and send the information to monitoring center.
所述电源由太阳能板、蓄电池组和充放电保护装置组成，所述主控制器由外部复位电路、晶振电路和ICD2接口电路组成。 The power supply is composed of a solar panel, a battery pack and a charge and discharge protection device, and the main controller is composed of an external reset circuit, a crystal oscillator circuit and an ICD2 interface circuit.
远程监控系统根据上述采集的信息并结合系统模型判断输电线路是否出现异常，当出现异常时，及时发出报警信息并处理异常。 The remote monitoring system judges whether there is an abnormality in the transmission line based on the information collected above and combined with the system model. When an abnormality occurs, it sends an alarm message in time and handles the abnormality.
传感器包括导线温度传感器，用于测量导线温度，发送所述温度至所述监测中心。 The sensors include a wire temperature sensor for measuring the temperature of the wire and sending said temperature to said monitoring center.
传感器包括环境湿度传感器，用于监测输电线路附近环境的控制湿度，发送所述湿度至所述监测中心。 The sensors include an ambient humidity sensor for monitoring the controlled humidity of the environment near the transmission line and sending said humidity to said monitoring center.
传感器包括风速风向传感器，用于监测环境气象的风速风向，发送所述风速风向至所述监测中心。 The sensor includes a wind speed and direction sensor, which is used to monitor the wind speed and direction of the ambient weather, and send the wind speed and direction to the monitoring center.
无线通信模块采用ZigBee短距离无线通信技术与GPRS远距离通信技术相结合的无线通信方式，无线通信模块具备高抗干扰能力和低误码率，能保证传输数据的准确性，使得系统应用更加灵活，有效地节约了通讯成本和运行维护成本，无需单独架设通信网络，实施方便。 The wireless communication module adopts the wireless communication method combining ZigBee short-distance wireless communication technology and GPRS long-distance communication technology. The wireless communication module has high anti-interference ability and low bit error rate, which can ensure the accuracy of transmitted data and make the system application more flexible , effectively saving communication costs and operation and maintenance costs, no need to set up a separate communication network, and easy to implement.
以上所述仅为本发明的优选并不用于限制本发明，显然，本领域的技术人员可以对本发明进行各种改动和变型而不脱离本发明的精神和范围。这样，倘若本发明的这些修改和变型属于本发明权利要求及其等同技术的范围之内，则本发明也意图包含这些改动和变型在内。 The above description is only the preference of the present invention and is not intended to limit the present invention. Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalent technologies, the present invention also intends to include these modifications and variations.
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