CN103267871A - Wind speed monitoring system based on ZigBee technology - Google Patents
Wind speed monitoring system based on ZigBee technology Download PDFInfo
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Abstract
本发明属于检测技术领域，具体为一种基于ZigBee技术的风速监测系统，采用电流输出型的风速传感器完成风速数据采集。风速传感器输出的电流信号经过电流/电压转换后传送给无线网络传输模块。无线网络传输模块采用星形网络拓扑结构，由多个传感器节点和一个控制节点构成。传感器节点接收风速传感器采集到的风速数据，并将其发送给控制节点。控制节点负责无线网络的建立和管理。网络中所有传感器节点都将信号发送至控制节点。控制节点通过RS-232串行通信与上位机相连，将数据传给上位机，并接收上位机发送的控制指令。本发明可应用于风速在线监测领域中。The invention belongs to the technical field of detection, and specifically relates to a wind speed monitoring system based on ZigBee technology, which adopts a current output type wind speed sensor to complete wind speed data collection. The current signal output by the wind speed sensor is sent to the wireless network transmission module after current/voltage conversion. The wireless network transmission module adopts a star network topology, which is composed of multiple sensor nodes and a control node. The sensor node receives the wind speed data collected by the wind speed sensor and sends it to the control node. The control node is responsible for the establishment and management of the wireless network. All sensor nodes in the network send signals to the control node. The control node is connected with the upper computer through RS-232 serial communication, transmits the data to the upper computer, and receives the control command sent by the upper computer. The invention can be applied in the field of wind speed online monitoring.
Description
技术领域technical field
本发明属于检测技术领域，涉及一种基于ZigBee技术的风速监测系统，特别涉及一种采用Zigbee技术组成无线网络，实现风速在线检测与无线数据传输的测量系统。The invention belongs to the technical field of detection, relates to a wind speed monitoring system based on ZigBee technology, in particular to a measurement system which adopts ZigBee technology to form a wireless network to realize online wind speed detection and wireless data transmission.
背景技术Background technique
风速是重要的气象数据之一，风速的在线监测在农业、运输业、建筑业、水利工程等国民经济建设的各领域中具有重要的应用价值。尤其在风力发电领域，风速监测与有效预测直接影响电网运行的稳定性。传统的有线监测系统存在布线复杂、抗干扰性差和维护困难的缺点，制约了风速远程监测技术的应用及推广。Wind speed is one of the important meteorological data. The online monitoring of wind speed has important application value in various fields of national economic construction such as agriculture, transportation, construction, and water conservancy projects. Especially in the field of wind power generation, wind speed monitoring and effective prediction directly affect the stability of power grid operation. The traditional wired monitoring system has the shortcomings of complex wiring, poor anti-interference and difficult maintenance, which restricts the application and promotion of wind speed remote monitoring technology.
ZigBee技术是一种低成本、低功耗的短程无线网络通信协议，与其他无线网络技术相比，ZigBee技术具有数据传输安全可靠、组网简易灵活、设备成本低等独特的优势，在工业控制领域中展现了良好的发展潜力和广阔的市场应用前景。ZigBee technology is a low-cost, low-power short-range wireless network communication protocol. Compared with other wireless network technologies, ZigBee technology has unique advantages such as safe and reliable data transmission, simple and flexible networking, and low equipment cost. The field has shown good development potential and broad market application prospects.
因此，采用ZigBee技术来取代传统布线的设置，设计一种基于ZigBee技术的风速监测系统，能够提高系统的可扩展性，降低维护成本，具有一定的应用价值。Therefore, using ZigBee technology to replace the traditional wiring settings and designing a wind speed monitoring system based on ZigBee technology can improve the scalability of the system and reduce maintenance costs, which has certain application value.
发明内容Contents of the invention
本发明所要解决的技术问题是，设计一种基于ZigBee技术的风速监测系统，尤其适用于风速在线检测和无线数据传输的要求。The technical problem to be solved by the present invention is to design a wind speed monitoring system based on ZigBee technology, which is especially suitable for the requirements of online wind speed detection and wireless data transmission.
本发明所采用的技术方案是：一种基于ZigBee技术的风速监测系统，采用电流输出型的风速传感器完成风速数据采集。当风速传感器输出的电流信号经过电流/电压转换后传送给无线网络传输模块。无线网络传输模块采用星形网络拓扑结构，由多个传感器节点和一个控制节点构成。传感器节点用于接收风速传感器采集到的风速数据，并将其发送给控制节点。控制节点则负责无线网络的建立和管理。网络中所有传感器节点都将信号发送至控制节点，构成无线传输的星形网络拓扑结构。控制节点通过RS-232串行通信与上位机相连，将数据传给上位机，并接收上位机发送的控制指令。The technical solution adopted in the present invention is: a wind speed monitoring system based on ZigBee technology, which uses a current output wind speed sensor to complete wind speed data collection. The current signal output by the wind speed sensor is sent to the wireless network transmission module after the current/voltage conversion. The wireless network transmission module adopts a star network topology, which is composed of multiple sensor nodes and a control node. The sensor node is used to receive the wind speed data collected by the wind speed sensor and send it to the control node. The control node is responsible for the establishment and management of the wireless network. All sensor nodes in the network send signals to the control node, forming a star network topology for wireless transmission. The control node is connected with the upper computer through RS-232 serial communication, transmits the data to the upper computer, and receives the control command sent by the upper computer.
上位机接收上传的风速数据，并发送控制指令，监测风速的变化、实时显示风速信息、以及完成数据管理统计等功能。The upper computer receives the uploaded wind speed data and sends control commands to monitor the change of wind speed, display wind speed information in real time, and complete data management statistics and other functions.
本发明的目的在于采用ZigBee技术来取代传统布线的设置，实现风速数据在线检测与无线传输，提高系统的可扩展性，降低维护成本。The purpose of the present invention is to adopt ZigBee technology to replace the setting of traditional wiring, realize the online detection and wireless transmission of wind speed data, improve the scalability of the system, and reduce the maintenance cost.
附图说明Description of drawings
图1是网络拓扑结构图。Figure 1 is a network topology diagram.
具体实施方式Detailed ways
下面结合附图对本发明作进一步详细说明。The present invention will be described in further detail below in conjunction with the accompanying drawings.
根据风速监测系统的特点，本系统选用如图1所示的星型结构网络。According to the characteristics of the wind speed monitoring system, this system uses the star structure network shown in Figure 1.
网络由控制节点(协调器)和传感器节点(为提高建立系统网络的方便性，采用路由器来替代终端设备)构成。The network consists of control nodes (coordinators) and sensor nodes (in order to improve the convenience of establishing a system network, routers are used to replace terminal devices).
网络的主要功能有5项：(1)控制节点建立网络；(2)传感器节点加入网络；(3)传感器节点传送风速数据至控制节点；(4)控制节点上传风速数据；(5)上位机接收数据和发送控制指令。There are five main functions of the network: (1) the control node establishes the network; (2) the sensor node joins the network; (3) the sensor node transmits the wind speed data to the control node; (4) the control node uploads the wind speed data; (5) the upper computer Receive data and send control commands.
控制节点承担网络协调者的功能，负责建立和管理无线通信网络。当建网成功后，控制节点开始接收加入网络的传感器节点发送的数据，并将数据传至上位机。此外，控制节点也接收上位机发送的控制指令。传感器节点则负责发送数据至控制节点。The control node assumes the function of the network coordinator and is responsible for establishing and managing the wireless communication network. When the network is successfully built, the control node starts to receive the data sent by the sensor nodes joining the network, and transmits the data to the host computer. In addition, the control node also receives the control instructions sent by the host computer. Sensor nodes are responsible for sending data to control nodes.
控制节点可在自己信号覆盖的范围内和多个不承担网络信息中转任务的传感器节点间组建网络，进行无线连接。控制节点启动之后开始组建网络，组网过程中协调器按照ZigBee协议的规定，各层之间进行一系列的会话，完成新网络的参数配置，直至网络建立成功。之后，传感器节点加入网络，路由器和协调器各层协议分别完成对自身的配置，此后网络中的节点之间就可以通信了。The control node can set up a network within the range covered by its own signal and multiple sensor nodes that do not undertake the task of network information transfer for wireless connection. After the control node is started, the network is built. During the networking process, the coordinator conducts a series of sessions between each layer according to the ZigBee protocol, and completes the parameter configuration of the new network until the network is established successfully. After that, the sensor nodes join the network, and the protocols of router and coordinator respectively complete their own configuration, and then the nodes in the network can communicate with each other.
风速采集的检测和控制电路包括无线网络节点和传感器检测两部分。风速传感器采用三杯式风速传感器CM-FS2。无线网络节点采用CC2430芯片。The detection and control circuit of wind speed acquisition includes two parts of wireless network node and sensor detection. The wind speed sensor adopts the three-cup wind speed sensor CM-FS2. The wireless network node adopts CC2430 chip.
风速监测系统的软件主要包括无线网络传输模块节点程序和上位机软件程序。无线网络传输模块节点程序主要负责控制风速数据的处理和发送，同时也接收来自上位机的控制指令。上位机软件程序主要功能是与控制节点进行通信，接收传感器节点的信息，实现传感器信息接收、数据显示、处理和分析以及控制指令发送等功能。The software of the wind speed monitoring system mainly includes the wireless network transmission module node program and the host computer software program. The node program of the wireless network transmission module is mainly responsible for controlling the processing and sending of wind speed data, and also receiving control instructions from the host computer. The main function of the upper computer software program is to communicate with the control node, receive the information of the sensor node, and realize the functions of sensor information reception, data display, processing and analysis, and control command transmission.
本发明的优点在于，利用ZigBee技术来取代传统布线的设置，提高了组网的灵活性和系统的可扩展性，降低维护成本。The invention has the advantages of replacing the traditional wiring arrangement with the ZigBee technology, improving the flexibility of networking and the scalability of the system, and reducing the maintenance cost.
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| CN104574898A (en) * | 2014-12-08 | 2015-04-29 | 武汉工程大学 | Zigbee-based multi-sensor Internet of Things monitoring method and equipment |
| CN105321325A (en) * | 2015-11-27 | 2016-02-10 | 苏州云达通信科技有限公司 | Satellite remote unattended sensor network |
| CN105528883A (en) * | 2015-12-09 | 2016-04-27 | 华南理工大学 | Wind velocity and direction wireless acquisition system and method thereof |
| CN106841660A (en) * | 2015-12-03 | 2017-06-13 | 甘肃省电力公司风电技术中心 | A kind of wind-resources monitoring system and method based on ZigBee |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103592460A (en) * | 2013-11-23 | 2014-02-19 | 大连尚能科技发展有限公司 | Signal conversion device of current type air velocity sensor |
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Application publication date: 20130828 |