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CN101545897A - Gas monitoring system based on ZigBee technology - Google Patents

Gas monitoring system based on ZigBee technology Download PDF

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CN101545897A
CN101545897A CN 200910064700 CN200910064700A CN101545897A CN 101545897 A CN101545897 A CN 101545897A CN 200910064700 CN200910064700 CN 200910064700 CN 200910064700 A CN200910064700 A CN 200910064700A CN 101545897 A CN101545897 A CN 101545897A
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wireless
system
detection
communication
monitoring
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CN 200910064700
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Chinese (zh)
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雄 汤
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雄 汤
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    • Y02D70/00
    • Y02D70/10

Abstract

The invention discloses a gas monitoring system based on ZigBee technology, which comprises at least one wireless detection node and a main device, and is characterized in that: the wireless detection node consists of a microprocessor, a wireless communication module and a data acquisition unit; and the main device consists of a microprocessor and a wireless communication module, is connected with a computer and can send the acquired data to the computer. The wireless detection node and the main device are all provided with the wireless communication module, and can provide real-time, high-speed and reliable data communication service and complete the collection and processing of various parameters of gases. By utilizing the ZigBee wireless technology, the gas monitoring system not only can realize detection on the concentration, temperature, humidity and pressure of various gases, but also has the advantages of low cost, low power consumption, convenient installation, flexible application, strong expandability and the like compared with the conventional wired monitoring system.

Description

基于ZigBee技术的气体监控系统 Gas Monitoring System Based on ZigBee

技术领域 FIELD

本发明涉及一种无线网络监测技术和自动控制系统,尤其涉及一种无线的气体监控系统。 The present invention relates to a radio network monitoring technology and control systems, particularly to a wireless monitoring system of gas.

背景技术 Background technique

目前市面上有很多气体浓度或压力监控设备,例如二氧化碳检测仪、燃气泄漏报警器等,但这些气体监控器因采用传统方法制造,检测落后,体积庞大, 功耗大,价格昂贵。 Currently there is a lot of gas concentration or pressure monitoring devices, such as carbon dioxide detector, gas leakage alarm, etc., but due to the gas monitor using conventional methods for producing, detecting backward, bulky, power hungry, and expensive. 企业用有害气体浓度监控系统,如果监管中心的测控主机距离检测目标很远,那么总线铺设的距离会很大,硬件投入成本、运行成本和维护成本都会很高。 Enterprises with a concentration of harmful gases monitoring system, monitoring and control host if the target detection distance monitoring center is very far away, the distance of the bus laying will have a significant hardware investment costs, operating costs and maintenance costs are high. 如果用于检测的传感器的分布比较分散,布线量就会成倍增加,各类成本也会成倍增加。 If a scattered distribution detected by the sensor, the amount of wiring will be doubled, various costs will be doubled. 而基于ZigBee的无线传感器网络具有结构简单,体积小,功耗低,成本低的特点。 Having a simple structure, small size, low power consumption, low cost ZigBee-based wireless sensor network. 由此可以看出,开发设计一种基于ZigBee 的无线传感网络技术的气体监控系统,不仅可以灵活布置传感器节点,直接或者间接通过汇节点集中传送空气中的各种安全指标信息到网络协调器,再由网络协调器经数据传输网络上传到监管控制中心,能够大大节省了总线铺设,降低硬件投入成本,从而来减小事故的发生。 It can be seen, development and design of the gas based on ZigBee wireless sensor network monitoring system technology, not only a flexible arrangement of the sensor node, directly or indirectly, the safety index information transmitted to the various air sink node by the network coordinator concentrated , by the network coordinator and then uploaded to the supervisory control center via the data transmission network, significant savings can be laid bus, reducing hardware investment costs, so as to reduce accidents.

ZigBee是一种新兴的短距离、低功耗、低数据速率、低成本、低复杂度的无线网络技术,同时也是一种介于无线标记技术和蓝牙之间的技术提案。 ZigBee is an emerging short-range, low-power, low data rate, low cost, low complexity radio network technology, but also a technical proposals interposed between the wireless tag and Bluetooth. 它主要用于自动控制、传感、监控和远程控制等领域,是一种廉价的可供固定、便携或移动设备使用的无线连接技术。 It is mainly used for automatic control, sensing, monitoring and remote control, etc., is fixed for an inexpensive, portable or wireless connectivity to mobile devices. 它有自己的无线电标准,在数千个微小的传感器之间相互协调实现通信。 It has its own radio standard, coordinated to achieve communication between thousands of tiny sensors. 这些传感器只需要很少的能量,以接力的方式通过无线电波将数据从一个传感器传到另一个传感器,所以它们的通信效率非常高。 These sensors require very little energy to relay the data from one sensor to another sensor via radio waves, communication efficiency thereof is very high. 最后,这些数据就可以进入计算机用于分析或者被另外一种无线技术如WiMax收集。 Finally, these data can be entered by a computer for analysis or wireless technologies such as WiMax another collection. 发明内容 SUMMARY

本发明的目的是提供一种提供实时、高速、可靠的数据无线传输服务,实现各种气体的自动监控。 Object of the present invention is to provide a real-time, high-speed, reliable wireless data transmission service, automatic monitoring of various gases.

一种基于ZigBee技术的气体监控系统,包括至少一个无线检测节点和一个主设备,其特征在于无线检测节点由微处理器、无线通信模块和数据采集器组成,无线通信模块和数据采集器分别与微处理器连接,微处理器可以根据接收到的主设备的控制命令来控制数据采集器的工作状态;无线检测节点的工作状态分为工作和休眠两种状态。 Gas Monitoring System based on ZigBee technology, comprising at least one detection node and a wireless master device, wherein the wireless nodes detected by the microprocessor, the wireless communication module and data acquisition composed wireless communication module and data acquisition and respectively connected to the microprocessor, the microprocessor can control the working state data collector according to the control command received by the master device; detecting the working state of the wireless node is divided into two states work and sleep. 无线检测节点通过所述的无线通信模块将由数据采集器采集到的测量数据传送给所述的主设备,主设备由微处理器和无线通信模块组成,与PC机连接,无线通信模块与微处理器连接,主设备通过无线通信模块接收所述无线检测节点发送的测量数据,并将所述测量数据传送到PC机, 由PC机进一步处理。 Master node detects wireless collected through the wireless communication module by the data acquisition of measurement data to the master device by the microprocessor and a wireless communication module, connects to a PC, a wireless communication module and the microprocessor is connected, the master device through the wireless communication module receives the measurement data transmitted by the wireless node detection and the measurement data to the PC for further processing by the PC. PC机上运行有数据管理软件,为用户提供气体监控网络中的数据访问界面,并能够通过主设备访问ZigBee气体监控网络中所有无线检测节点的测量数据,并将数据保存,为用户提供数据查询、分析或报表生成服务。 Running on the PC data management software, to provide users with data access interface gas monitoring network, and is capable of by measuring the data of the main device access ZigBee gas monitor all network wireless sense node, and saves the data, to provide users with data query, analysis or report generation service. 无线检测节点与主设备共同组成ZigBee无线气体监控网络。 Wireless detection node and the master together form a gas monitor the ZigBee wireless network.

所述的无线通信模块是符合ZigBee无线通信标准的通信单元。 The wireless communication module is a ZigBee-compliant wireless communication standard unit. 所述的数据采集器包括但不局限于用来检测气体浓度、温度、湿度及压力的传感器。 The data acquisition device includes but not limited to a sensor for detecting the gas concentration, temperature, humidity and pressure.

本发明系统在工作时,位于检测区域的无线检测节点将数据采集器采集的测量数据,通过微处理器处理后,由无线通信模块发送给主设备,主设备把接收到的测量数据送到计算机上等待进一步处理。 The system of the present invention at work, located in a wireless area of ​​the detection node detects the measurement data collected by data acquisition, processed by the microprocessor, transmitted by the wireless communication module to the master device, the master device stores the received measurement data to the computer on waiting for further processing. 同时主设备可以通过无线通信模块向无线检测节点发送控制命令,控制无线检测节点的工作状态。 At the same time the master device may transmit a control command to the wireless nodes detected by the wireless communication module, the wireless control of the state detection node. 无线检测节点上的微处理器通过无线通信模块收到控制命令后控制数据采集器的工作状态为休眠或工作,这种按需激活的工作模式可以达到降低功耗的目的。 The microprocessor detects the wireless node receives through the wireless communication module control command to control the operating state data acquisition work or sleep, mode of operation that can be activated on demand to achieve lower power consumption.

上述气体监控系统利用ZigBee无线技术不仅可以实现对各种气体的浓度、 温度、湿度及压力的检测,而且相对于传统的有线监控系统,具有低成本、低功耗、便于安装、应用灵活等优点,具备很强的扩展性。 The gas monitoring system using ZigBee wireless technology may be implemented not only on the concentration of various gases, temperature, humidity and pressure detection, and with respect to the traditional wired monitoring system, low cost, low power, easy to install, flexible application etc. , with a strong scalability.

4附图说明 BRIEF DESCRIPTION OF 4

图1是基于ZigBee技术的气体监控系统示意图 1 is a schematic Gas Monitoring System Based on ZigBee

图2是本发明的无线检测节点硬件结构图 FIG 2 is a hardware configuration diagram of a wireless detection node of the present invention.

图3是本发明主设备硬件结构图 FIG 3 is a front view of the invention device hardware configuration

图4是本发明的主设备的软件流程图 FIG 4 is a main software flow diagram of apparatus according to the invention

图5是本发明的无线检测节点的软件流程图 FIG 5 is a wireless detection node software flow chart of the present invention

具体实施方式 detailed description

以下将参照附图对本发明所述的基于ZigBee技术的气体监控系统的结构和运行步骤进行详细的描述。 Brief description of the detailed structure and operation based on the step of the gas monitoring system ZigBee technology of the present invention with reference to the following.

如图1所示,本发明所述的基于ZigBee技术的气体监控系统中的无线监控网络包括无线检测节点1和主设备2组成。 As shown in FIG. 1, a gas monitoring system based on ZigBee technology wireless network comprises a wireless monitoring detection node 1 and the main apparatus 2 according to the composition of the present invention. 在监控单个区域时,检测节点1和主设备2组成星型网络拓扑结构,无线检测节点1自由加入或突出无线监控网络,主设备2接收无线检测节点1发送的数据并在液晶显示器上实时显示;用户可以直接操作主设备,也可以通过计算机软件来控制主设备。 When monitoring a single region, the detection node 1 and the main apparatus 2 composed of a star network topology, the wireless detection node 1 are free to join or projecting wireless monitoring network, the data receiving wireless detection node 1 transmits to the master device 2 and displayed in real time on the liquid crystal display ; user can directly operate the master device, the master device may also be controlled by computer software. 监控多区域时, 由总主设备2和各个区域内主设备2和无线检测节点1组成网状网络,区域内主设备2可以充当路由器节点,当其他区域无线检测节点1与主设备2太远超出通信距离时,或者所在网路中断时自动通过其他无线检测节点1与主设备2 通信。 When multiple surveillance zone, the master device 2 and the total area of ​​the respective main detection device 2 and the wireless mesh network composed of nodes 1, within the area of ​​the main device 2 can act as a router node, while other area of ​​the wireless detection node 1 and the main apparatus 2 is too far when the communication distance exceeds, or other wireless communication through the host automatically detects the master node 1 and the web 2 is interrupted.

如图2所示,无线检测节点1的内部模块连接关系为:微处理器分别与存储 2, the wireless detection module 1 is connected to the internal node relationship: the microprocessor are stored

器、数据采集器、无线通信模块相连接,天线和无线通信模块相连接。 , Data acquisition, the wireless communication module is connected to an antenna and a wireless communication module is connected. 无线通 Wireless communication

信模块是符合ZigBee无线通信标准的通信单元,采用休眠模块用来延长使用寿命。 The communication module is a ZigBee-compliant wireless communication standard unit used to extend the service life hibernation module. 数据采集器可选择低功耗的传感器,将采集到的数值经转换后输入微处理器,经处理后无线传输给主设备2。 Selectable low-power data acquisition sensor, will be collected after converted value input to the microprocessor, after the wireless transmission processing to the master device 2. 检测节点采用两节1. 5V的7号电池供电, 如果采样周期为30秒,即使用休眠模块,则无线检测节点1的试用寿命在3年左右。 The detection node using the two battery-powered 7 1. 5V, if the sampling period is 30 seconds, i.e., using the hibernation module, the wireless trial life detection node 1 is about 3 years.

如图3所示,主设备2的内部模块连接关系为:微处理器分别与存储器、液晶显示器、无线通信模块和PC机相连接,天线和无线通信模块相连接。 3, the internal module connections in the main apparatus 2 is: are respectively connected with the microprocessor memory, a liquid crystal display, a wireless communication module and a PC, an antenna and a wireless communication module is connected. 供电主设备2在上电后建立PAN网络,允许通讯范围内的无线检测节1点加入组成无形网络。 PAN master device 2 to establish the power supply network after power-on, allowing the wireless communication range of the detection section 1 composed of invisible network site was added. PC机上的管理系统软件用于所有无线检测节点1及主设备2的管理与控制。 System management software on the PC, for detecting all wireless nodes and a management and control of the master device 2. 主设备2采用不休眠模块,由于与PC机相连,因此由PC机供电即可。 Using the master device 2 does not sleep module, due to the connection with the PC, and therefore can be powered by the PC. PC机上运行有数据管理软件,为用户提供气体监控网络中的数据访问界面,并能够通过主设备(2)访问ZigBee气体监控网络中所有无线检测节点1的测量数据,并将数据保存,为用户提供数据查询、分析或报表生成服务。 Running on the PC data management software, to provide users with data access interface gas monitoring network, and through the measurement data (2) to access the master ZigBee gas monitor all network wireless detection node 1, and data storage, the user It provides data query, analysis or report generation service.

如图4所示,主设备2是无线监控网络的发起建立者,其软件实现过程如下: 主设备2在软硬件初始化后开始建立新的PAN网络,搜索频道并显示网络ID号和频道号。 4, the master device 2 is initiated to establish by the wireless network monitoring, software implementation process is as follows: the master device 2 to start building new PAN network initialization of software and hardware, and display the network search channel number and a channel number ID. 然后进入无线监控状态监视空中无线信号,并开始循环处理过程: 扫描是否有无线检测节点1请求加入网络,如有并确认是无线检测节点1,则允许其加入网络并分配16位网络地址;同时接收己入网的无线检测节点1发送的 Then enter the monitoring state monitoring air wireless radio signal, and begins the loop process: scan for a wireless network detection node 1 requests to join, and if there is a wireless confirm detection node 1, it is allowed to join the network and assign 16-bit network address; while detecting a wireless network node has received a transmitted

测量数据,并经数据处理发送到已连接的PC机;并检测是否有PC机的控制命 Measurement data, and transmitted to the PC via a connected data processing; and detects whether there is a PC control command

令,如有则进行控制命令的发送程序。 So that, if the control command transmission procedure is performed.

如图5所示,无线检测节点1的软件流程图的实现过程如下:无线检测节点 5, a flowchart of the software implementation of the wireless node detection 1 is as follows: a wireless detection node

1经初始化后发送加入主设备所建立的PAN网络的信号,加入不成功继续发送请求加入网络信号,直至加入成功。 After an initialization signal established PAN master device sends a join the network, added to the cluster to join the network transmits a request signal continues until a successful join. 加入成功后则获得主设备2分配的16位网络地址,之后进入循环过程:无线检测节点1正常运行,读取数据采集器的测量数据后经过处理通过无线通信模块将测量数据发送到主设备2,发送完成后该无线检测节点转入休眠状态,等待由主设备2发来的开关控制命令被激活后进入 Is obtained after the addition of the success of the master device 2 is assigned a network address 16, after entering the loop process: the wireless node 1 detects normal operation after reading the data acquisition of measurement data processed by the wireless communication module 2 transmits the measurement data to the master device after detecting the wireless node go to sleep after the completion of transmission, wait for control commands sent by the switch to the master device 2 is activated into the

正常运行状态,再次读取数据采集器的测量数据发送给主设备,然后再次转入休眠状态,等待激活进行下次的测量数据采集发送的过程。 Normal operation, the read data is again collected measurement data transmitted to the master device, and then goes to sleep again, the process waits for the next activation of the transmitted measurement data acquisition.

6 6

Claims (8)

1. 一种气体监控系统,包括至少一个无线检测节点(1)和一个主设备(2),其特征在于:所述无线检测节点(1)具有微处理器、无线通信模块和至少一个数据采集器组成,无线检测节点(1)通过所述的无线通信模块将由数据采集器采集到的测量数据传送给所述的主设备(2),所述主设备(2)具有无线通信模块,与PC机连接,所述主设备(2)通过无线通信模块接收所述无线检测节点(1)发送的测量数据,并将所述测量数据传送到PC机,其中所述的无线通信模块是符合ZigBee无线通信标准的通信单元,所述的无线检测节点(1)与主设备(2)共同组成ZigBee无线气体监控网络。 A gas monitoring system, comprising detecting at least one wireless node (1) and a master device (2), characterized in that: said detecting wireless node (1) having a microprocessor, a wireless communication module and at least one data acquisition composed, wireless detection node (1) acquired via the wireless communication module by the data acquisition of measurement data transfer the master device (2), the master device (2) to said module having a wireless communication with the PC connect the master device (2) receiving the wireless node detecting (1) the measurement data transmitted via the wireless communication module, and transmits the measurement data to the PC, wherein said wireless communication module is a ZigBee-compliant wireless communication standard unit, the wireless detection node (1) with the master device (2) together form a gas monitor ZigBee wireless network.
2. 如权利要求1所述的气体监控系统,其特征在于:所述的无线通信模块分为休眠模块和不休眠模块,所述的休眠模块用电池供电,必须通过长时间休眠来减少电能消耗从而延长电池寿命;所述的不休眠模块是指由稳定的电源供电,可持续工作而不需要休眠。 The gas monitoring system of claim 1, wherein: said wireless communication module and the module is divided into hibernation module is not dormant, the hibernation module with battery power, power consumption must be reduced by the long sleep thereby extending battery life; not said hibernation module is defined by stable power supply, operate continuously without the need for sleep.
3. 如权利要求1所述的气体监控系统,其特征在于:所述的数据采集器可以是用来检测气体浓度、温度、湿度及压力的传感器。 Gas monitoring system of claim 1, wherein: said data collection may be a sensor for detecting the gas concentration, temperature, humidity and pressure.
4. 如权利要求1所述的气体监控系统,其特征在于:所述的PC机具有数据管理软件,用于保存所述测量数据为用户提供所述测量数据访问界面。 The gas monitoring system of claim 1, wherein: the PC, with data management software, for storing the measurement data of the measurement data to provide users with access interface.
5. 如权利要求4所述的气体监控系统,其特征在于:所述的数据管理软件是指基于PC机平台的应用软件,为用户提供所述的测量数据访问界面,并能够通过主设备(2)访问ZigBee气体监控网络中所有无线检测节点的测量数据, 并将数据保存,为用户提供数据查询、分析或报表生成服务。 The gas monitoring system of claim 4, wherein: said data management application software refers to software PC-based platform, to provide users with access to the measurement data to the interface and through the master device ( 2) measuring the gas ZigBee data access monitor all wireless networks detected nodes, and save the data, to provide users with data query, analysis or reporting services.
6. 如权利要求2所述的气体监控系统,其特征在于:所述的休眠是指设备进入低功耗的工作状态从而延长电池的寿命,在这种工作状态下,设备不执行操作和数据处理,不响应除了唤醒事件之外的任何事件。 6. The gas monitoring system of claim 2, wherein: said sleep means of the device into a low power operating state to extend the battery life, in this operating state, the device operation is not performed and data treatment, does not respond to any events other than the wake-up event.
7. 如权利要求6所述的气体监控系统,其特征在于:所述的唤醒是指设备响应的特定事件,从休眠状态恢复到正常运行状态的过程,被唤醒之后设备重新回到休眠之前的状态继续运行,可以正常接收、发送或处理数据,并且设备内部的数据不会因为休眠而丢失或更改。 Before the wake-up device means that a particular event in response to the recovery from the sleep state to the normal operating state of the process, after the wake-up device goes back to sleep again: 7. The gas monitoring system of claim 6, wherein keeps running, you can normally receive, transmit or process the data, and the data inside the device will not be lost or changed sleep.
8. 如权利要求1所述的气体监控系统,其特征在于:所述的测量数据是指能够描述被测量物理量特征的一系列数值以及与这些数据对应的单位。 8. The gas monitoring system of claim 1, wherein: said means of measurement data values ​​can describe a series of physical features to be measured and a corresponding data unit.
CN 200910064700 2009-04-14 2009-04-14 Gas monitoring system based on ZigBee technology CN101545897A (en)

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CN102316607A (en) * 2010-06-29 2012-01-11 株式会社巨东企业 Intergrated monitoring and control apparatus and method for heat tracing system using zigbee communication
CN102401671A (en) * 2010-09-17 2012-04-04 北京旗硕基业科技有限责任公司 Wireless adaptive temperature sensor with functions of network testing and displaying
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CN104849407A (en) * 2015-05-13 2015-08-19 许金兰 Portable multifunctional air quality detector and realizing method thereof
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WO2011113266A1 (en) * 2010-03-19 2011-09-22 中兴通讯股份有限公司 Terminal, network side equipment and system for internet of things
CN102316607A (en) * 2010-06-29 2012-01-11 株式会社巨东企业 Intergrated monitoring and control apparatus and method for heat tracing system using zigbee communication
CN101888413A (en) * 2010-07-08 2010-11-17 河北工业大学 Leakage monitoring and positioning early-warning system in petrochemical industry and establishment method thereof
CN102401671A (en) * 2010-09-17 2012-04-04 北京旗硕基业科技有限责任公司 Wireless adaptive temperature sensor with functions of network testing and displaying
CN102661760A (en) * 2012-05-16 2012-09-12 苏州麦迪斯顿医疗科技有限公司 Acquiring system for parameters of equipment in supply chamber
CN102866233A (en) * 2012-10-11 2013-01-09 南京艾酷派物联网有限公司 Remote real-time vehicle exhaust emission monitoring device
CN104052965A (en) * 2013-03-11 2014-09-17 霍尼韦尔国际公司 Apparatus and method to switch a video call to an audio call
CN103209501A (en) * 2013-04-16 2013-07-17 杭州三云科技有限公司 Kiln smoke detecting system based on wireless sensor network
CN103389361A (en) * 2013-07-25 2013-11-13 王康 Gas monitoring, prewarning and analyzing system and method
CN103389361B (en) * 2013-07-25 2016-12-28 王康 Gas monitoring, early warning and analysis systems and gas monitoring, early warning and analysis
CN104849407A (en) * 2015-05-13 2015-08-19 许金兰 Portable multifunctional air quality detector and realizing method thereof
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