技术领域technical field
本发明涉及物联网应用与控制装置研究技术领域，尤其涉及基于物联网体系架构的智能控制系统。The invention relates to the technical field of Internet of Things application and control device research, in particular to an intelligent control system based on the Internet of Things architecture.
背景技术Background technique
2005年,国际电信联盟（ITU）正式提出了物联网一词，从功能角度，ITU认为“世界上所有的物体都可以通过因特网主动进行信息交换，实现任何时刻、任何地点、任何物体之间的互联无所不在的网络和无所不在的计算”；从技术角度，ITU认为“物联网涉及射频识别技术、传感器技术、纳米技术和智能技术等”。In 2005, the International Telecommunication Union (ITU) officially proposed the term Internet of Things. From a functional point of view, ITU believes that "all objects in the world can actively exchange information through the Internet, and realize any time, any place, and any object. Internet ubiquitous network and ubiquitous computing"; From a technical perspective, ITU believes that "the Internet of Things involves radio frequency identification technology, sensor technology, nanotechnology and intelligent technology, etc.".
可见，物联网集成了多种感知、通信与计算技术，不仅使人与人之间的交流变得更加便捷，而且使人与物、物与物之间的交流变成可能，最终将使人类社会、信息空间和物理世界（人-机-物）融为一体。所以，物联网是通信网和互联网的拓展应用和网络延伸，它利用感知技术与智能装置对物理世界进行感知识别，通过网络传输互联，进行计算、处理和知识挖掘，实现人与物、物与物信息交互和无缝链接，达到对物理世界实时控制、精确管理和科学决策目的。It can be seen that the Internet of Things integrates a variety of perception, communication and computing technologies, which not only makes the communication between people more convenient, but also makes the communication between people and things, things and things possible, and will eventually make human Society, cyberspace and the physical world (human-machine-thing) merge into one. Therefore, the Internet of Things is an extended application and network extension of the communication network and the Internet. It uses perception technology and smart devices to perceive and identify the physical world, and conducts calculations, processing and knowledge mining through network transmission and interconnection to realize the connection between people and things, and between things and things. Real-time control of the physical world, precise management and scientific decision-making.
物联网的体系架构主要由感知层设备、传输层设备、存储与应用服务器、物联网信息获取能力展示平台和配网自动化信息支持应用等部分组成，针对各个部分，当前已经出现了众多物联网数据管理方法。The architecture of the Internet of Things is mainly composed of perception layer devices, transport layer devices, storage and application servers, Internet of Things information acquisition capability display platforms, and distribution network automation information support applications. For each part, there are currently many Internet of Things data Management method.
专利号为201310136489.0 的发明涉及物联网数据管理信息技术领域，具体而言，涉及一种物联网平台数据管理方法。物联网平台数据管理方法，包括步骤：预先获取各实体被管理对象上传数据所采用的通信协议标准；接收各实体被管理对象上传的数据；根据各实体被管理对象上传数据所采用的通信协议标准，对所述上传的数据进行解析；将解析后的数据存储至应用数据库，建立各实体被管理对象的虚拟的管理单元，调用所述应用数据库中的数据，以所述管理单元为单位进行数据管理。发明所述的物联网平台数据管理方法，对不同被管理对象所上传的采用不同通信协议的数据，进行兼容处理，不会由于感知层和网络层的多样化而导致必须采用多套管理系统，更加便捷。The invention with the patent No. 201310136489.0 relates to the field of Internet of Things data management information technology, specifically, a data management method for the Internet of Things platform. The data management method of the Internet of Things platform includes the steps of: obtaining in advance the communication protocol standards adopted by the managed objects of each entity to upload data; receiving the data uploaded by the managed objects of each entity; according to the communication protocol standards adopted by the managed objects of each entity to upload data , analyzing the uploaded data; storing the analyzed data in the application database, establishing a virtual management unit of each entity managed object, calling the data in the application database, and performing data processing with the management unit as a unit manage. The data management method of the Internet of Things platform described in the invention performs compatible processing on the data uploaded by different managed objects using different communication protocols, so that multiple sets of management systems must not be used due to the diversification of the perception layer and the network layer. more convenient.
专利号为201210156133.9 的发明公开了一种物联网管理系统，包括：管理设备、物联端点设备和用户终端设备，所述管理设备包括通信分类机和通信调度机，所述通信分类机连接物联端点设备，所述物联端点设备连接通信调度机，所述通信调度机连接用户终端设备。通过上述方式，发明的物联网管理系统采用PLC自动控制，无需人为操作，能够大大提高通讯速率和控制速率，降低了复杂度，降低了成本，可以更加清晰直观地观察物联管理过程。The invention with the patent number of 201210156133.9 discloses an IoT management system, including: management equipment, IoT endpoint equipment and user terminal equipment, the management equipment includes a communication classifier and a communication dispatcher, and the communication classifier is connected to the IoT An endpoint device, the IoT endpoint device is connected to a communication dispatcher, and the communication dispatcher is connected to a user terminal device. Through the above method, the invented IoT management system adopts PLC automatic control without human operation, which can greatly increase the communication rate and control rate, reduce the complexity and cost, and can observe the IoT management process more clearly and intuitively.
专利号为201610653609.8 的发明公开了一种物联网管理平台，包括信息和物理两部分，其信息部分包括感知信息管理系统和控制信息管理系统，其物理部分包括运营商管理服务器及与服务器相连的各种设施，是信息结构中的感知信息管理系统和控制信息管理系统的载体；物联网管理平台通过对各种感知控制信息、公共服务信息、网络通信等进行数据采集，协议转换，数据存储处理，数据共享，业务流程梳理，实现各种专业系统管理功能。发明从物理结构、信息结构上论述了物联网管理平台的具体实现方式，体现了物联网管理平台在整个物联网体系中的核心地位和作用，对于物联网标准制定、工作开展都具有极大的促进和指导意义。The invention with the patent number 201610653609.8 discloses an Internet of Things management platform, which includes information and physical parts. The information part includes the perception information management system and the control information management system. The physical part includes the operator management server and various This facility is the carrier of the perception information management system and control information management system in the information structure; the IoT management platform collects data, converts protocols, and stores and processes various perception and control information, public service information, and network communications. Data sharing, business process sorting, and realization of various professional system management functions. The invention discusses the specific implementation of the Internet of Things management platform from the perspective of physical structure and information structure, which reflects the core position and role of the Internet of Things management platform in the entire Internet of Things system, and has great significance for the formulation of Internet of Things standards and work development. Facilitate and guide meaning.
然而，随着当前物联网技术的不断进步，其集先进的传感器、计算机与信息通信技术于一身，具有节点与节点之间自组成网，目标信息智能感知、智能处理信息和智能传输与发布信息的突出优点，所以，如果能够发明一种可以与物联网各体系结构进行无缝衔接的智能控制系统，将大大增加物联网的实际应用性，便于技术人员充分发挥物联网技术信息获取的优势，为不同类别的网络数据建设提供支持。However, with the continuous advancement of the current Internet of Things technology, it integrates advanced sensors, computers and information communication technologies, and has self-organizing networks between nodes, intelligent perception of target information, intelligent processing of information, and intelligent transmission and release of information. Therefore, if an intelligent control system that can seamlessly connect with the various architectures of the Internet of Things can be invented, the practical applicability of the Internet of Things will be greatly increased, and it will be convenient for technicians to give full play to the advantages of Internet of Things technical information acquisition. Provide support for different types of network data construction.
发明内容Contents of the invention
本发明目的在于提供基于物联网体系架构的智能控制系统，根据物联网传感器组的成本和技术优势，结合现场系统设备的实际应用，能通过较低的成本和便捷的安装，提高数据传输的灵活性，使控制系统进一步智能化、现代化和高效化。The purpose of the present invention is to provide an intelligent control system based on the architecture of the Internet of Things. According to the cost and technical advantages of the sensor group of the Internet of Things, combined with the actual application of field system equipment, it can improve the flexibility of data transmission through lower cost and convenient installation. To make the control system more intelligent, modern and efficient.
为实现上述目的，本发明采用的技术方案是：基于物联网体系架构的智能控制系统，包括主电源以及分别与所述主电源连接的主控制器、信息读取单元；所述主控制器包括信息处理器和通信单元，所述信息读取单元包括传感器接收网络、RFID读写系统和音视频感知单元，所述RFID读写系统包括RFID电子标签、阅读器和RFID数据处理器；所述信息处理器包括ARM处理器、信息编码建模单元及附属控制组件。In order to achieve the above object, the technical solution adopted by the present invention is: an intelligent control system based on the architecture of the Internet of Things, including a main power supply and a main controller and an information reading unit respectively connected to the main power supply; the main controller includes An information processor and a communication unit, the information reading unit includes a sensor receiving network, an RFID reading and writing system and an audio and video perception unit, and the RFID reading and writing system includes an RFID electronic tag, a reader and an RFID data processor; the information processing The processor includes an ARM processor, an information coding modeling unit and an attached control component.
进一步地，所述主电源包括电池组及其连接的漏极开路器件，所述电池组包括浮充式蓄电池组。Further, the main power supply includes a battery pack and an open-drain device connected thereto, and the battery pack includes a floating storage battery pack.
进一步地，所述附属控制组件包括时钟电路、存储器和人机交互界面。Further, the auxiliary control component includes a clock circuit, a memory and a human-computer interaction interface.
进一步地，所述通信单元包括远程传输模块和近程传输模块，所述近程传输模块包括JTAG接口和系统总线，所述远程传输模块包括LTE通信组件和光纤通信单元。Further, the communication unit includes a long-range transmission module and a short-range transmission module, the short-range transmission module includes a JTAG interface and a system bus, and the long-range transmission module includes an LTE communication component and a fiber optic communication unit.
进一步地，所述LTE通信组件包括TD-LTE通信芯片和LTE230通信芯片。Further, the LTE communication component includes a TD-LTE communication chip and an LTE230 communication chip.
进一步地，所述信息处理器通过所述通信单元连接物联网系统，所述物联网系统通过所述远程传输模块连接移动运营商网络。Further, the information processor is connected to an Internet of Things system through the communication unit, and the Internet of Things system is connected to a mobile operator network through the remote transmission module.
进一步地，所述系统总线设置数据加密装置。Further, the system bus is provided with a data encryption device.
进一步地，所述信息读取单元连接物联网系统中感知层设备连接，实时监测、感知和采集物联网中各种环境或监测对象的信息。Further, the information reading unit is connected to the perception layer device in the Internet of Things system to monitor, perceive and collect information of various environments or monitoring objects in the Internet of Things in real time.
进一步地，所述RFID电子标签包括RF模块和EEPROM，所述阅读器与所述RFID电子标签通过所述RFID数据处理器连接，所述阅读器通过WLAN无线网络或串行数据接口连接所述信息处理器中的存储器。Further, the RFID electronic tag includes an RF module and an EEPROM, the reader is connected to the RFID electronic tag through the RFID data processor, and the reader is connected to the information through a WLAN wireless network or a serial data interface. memory in the processor.
进一步地，所述人机交互界面包括LED阵列和控制键盘。Further, the human-computer interaction interface includes an LED array and a control keyboard.
本发明的有益效果在于：The beneficial effects of the present invention are:
1、本发明通过引入与物联网连接的信息处理器，一方面作为系统进行数据采集和管理的核心，另一方面还提供各通信部分的接口以及操作接口，从而可以有效实现多样化信息处理功能。1. The present invention introduces an information processor connected to the Internet of Things, on the one hand, as the core of the system for data collection and management, and on the other hand, it also provides the interface and operation interface of each communication part, so that diversified information processing functions can be effectively realized .
2、本发明的通信单元包括远程及近程通信功能，可以根据实际环境和需求，自主实现远程及近程、上行及下行通信选择，具有很强的自适应功能。2. The communication unit of the present invention includes long-range and short-range communication functions, and can independently realize the selection of long-range and short-range, uplink and downlink communication according to the actual environment and needs, and has a strong self-adaptive function.
3、本发明的信息读取单元包括各种传感器和RFID阅读器，它们可以通过嵌入式的模块集成，用于采集物联网中多应用场景的数据信息，并通过协议栈实现通信网络的自组织，满足系统设备的通信需求。3. The information reading unit of the present invention includes various sensors and RFID readers, which can be integrated through embedded modules to collect data information of multiple application scenarios in the Internet of Things, and realize the self-organization of the communication network through the protocol stack , to meet the communication requirements of the system equipment.
综上所述，本发明控制系统能对物联网涉及到的信息业务进行统一的管理，提供信息采集及管理支撑的通用模块，并能通过主控制器和信息读取单元的多样化设计，确定使用不同的功能程序和业务的扩充，匹配物联网技术中将传感器、计算机与信息通信技术集于一身的设计，具有数据自组成网、目标信息智能感知、智能处理信息和智能传输与发布信息的突出优点，最终可以通过进一步系统配置和可扩展的设计实现控制系统的可级联化，值得广泛推广与使用。In summary, the control system of the present invention can perform unified management on the information services involved in the Internet of Things, provide general modules for information collection and management support, and can determine Using different functional programs and business expansion, matching the design of the sensor, computer and information communication technology in the Internet of Things technology, with data self-organizing network, intelligent perception of target information, intelligent processing of information, and intelligent transmission and release of information. Highlighting the advantages, the control system can be cascaded through further system configuration and scalable design, which is worthy of widespread promotion and use.
附图说明Description of drawings
图1是本发明系统的结构示意图。Fig. 1 is a schematic structural diagram of the system of the present invention.
具体实施方式detailed description
实施例Example
下面结合具体实施例对物联网技术和本发明的结合及应用进行分析：The combination and application of Internet of Things technology and the present invention are analyzed below in conjunction with specific embodiments:
本发明的智能控制系统旨在能充分发挥物联网技术信息获取的优势，通过先进的智能控制手段管理物联网技术高度复杂、网架结构多变的运行状态、环境状态信息，智能融合与处理这些繁杂的信息，根据历史数据、邻居数据和专家故障数据库提前预警设备故障，为运维管理人员提供高可信高效可用的信息支持，从而大幅度提升物联网的运维管理水平。The intelligent control system of the present invention is designed to give full play to the advantages of Internet of Things technology information acquisition, manage the highly complex Internet of Things technology and variable grid structure operating status and environmental status information through advanced intelligent control means, intelligently integrate and process these Complicated information, based on historical data, neighbor data and expert fault database, provides early warning of equipment failures, providing operation and maintenance managers with highly reliable, efficient and available information support, thereby greatly improving the operation and maintenance management level of the Internet of Things.
物联网技术的体系架构主要由感知层设备、传输层设备、存储与应用服务器、物联网信息获取能力展示平台和配网自动化信息支持应用等部分组成。The architecture of the Internet of Things technology is mainly composed of perception layer devices, transport layer devices, storage and application servers, Internet of Things information acquisition capability display platforms, and distribution network automation information support applications.
感知层设备主要包括现场各种无线传感器节点组成，这些传感器不依赖外部供电，仅从环境或自备一次长寿命电池完成长时间（5~10年）信息采集任务，完成物联网设备的工作温度、电压、电流、相角、谐波、设备倾斜角变化、振动等信息的采集，同时还采集分布式储能、发电，电动汽车等新的用电发电设备引入物联网之后所带来的量测信息。感知层设备采集的信息采用统一的格式化数据传输到汇聚节点，这些格式化信息由其所属单个传感器自有的传感器信息模型定义，应用根据每个传感器的信息模型对格式化数据进行解析，得到可用的现场实时信息。The perception layer equipment mainly consists of various wireless sensor nodes on site. These sensors do not rely on external power supply, and only complete long-term (5-10 years) information collection tasks from the environment or their own long-life batteries, and complete the working temperature of IoT devices. , voltage, current, phase angle, harmonics, equipment tilt angle changes, vibration and other information collection, and also collect distributed energy storage, power generation, electric vehicles and other new power generation equipment after the introduction of the Internet of Things. test information. The information collected by the perception layer equipment is transmitted to the aggregation node with unified formatted data. The formatted information is defined by the sensor information model of the individual sensor to which it belongs. The application analyzes the formatted data according to the information model of each sensor to obtain Live real-time information available.
传输层设备由汇聚节点（无线数据传输基站）和汇聚网关组成，汇聚节点负责各传感器节点的入网管理、网络维护、路由查找、传感器信息解密与再加密和格式化数据传输任务，汇聚网关负责各汇聚节点的接入、汇聚信息解密、非格式化数据传感器信息接入（多个性化定制协议栈）与格式化转换，并完成传感器信息模型到IEC61850信息模型的转换与重定义、重建模。汇聚网关将获得的传感器信息归一化为IEC61850信息模型将这些信息加密后发送到应用层存储服务器。The transport layer equipment consists of a convergence node (wireless data transmission base station) and a convergence gateway. The convergence node is responsible for the network access management, network maintenance, route search, sensor information decryption and Aggregation node access, aggregation information decryption, unformatted data sensor information access (multiple customized protocol stacks) and formatting conversion, and complete the conversion, redefinition and remodeling of sensor information model to IEC61850 information model. The aggregation gateway normalizes the obtained sensor information into the IEC61850 information model, encrypts the information and sends it to the application layer storage server.
应用层设备主要包括存储服务器、应用服务器、传感器信息获取应用展示平台和一流配网自动化信息支持软件等组成。存储服务器解密接收到的汇聚网关的信息，应用IEC61850信息模型解析这些信息，并按IEC61850信息格式统一存储，分发给各应用，应用服务器运行传感器信息获取展示平台，为全域用户提供信息展示应用，一流配网自动化信息支持软件根据配网自动化应用定制其所需的信息内容，通过信息交换总线将其所定制信息按规定的格式发送到配网自动化平台，为配网自动化提供可信的信息支持。Application layer equipment mainly includes storage server, application server, sensor information acquisition application display platform and first-class distribution network automation information support software. The storage server decrypts the information received from the aggregation gateway, uses the IEC61850 information model to analyze the information, stores it in a unified manner according to the IEC61850 information format, and distributes it to each application. The application server runs the sensor information acquisition and display platform to provide information display applications for global users, first-class The distribution network automation information support software customizes the required information content according to the distribution network automation application, and sends the customized information to the distribution network automation platform in the specified format through the information exchange bus, providing credible information support for distribution network automation.
如图1所示，本发明的基于物联网体系架构的智能控制系统，包括主电源1以及分别与主电源1连接的主控制器、信息读取单元2；主控制器包括信息处理器3和通信单元4，信息读取单元2包括传感器接收网络5、RFID读写系统6和音视频感知单元7，RFID读写系统包括RFID电子标签、阅读器和RFID数据处理器；信息处理器3包括ARM处理器8、信息编码建模单元9及附属控制组件。As shown in Figure 1, the intelligent control system based on the Internet of Things architecture of the present invention includes a main power supply 1 and a main controller and an information reading unit 2 connected to the main power supply 1 respectively; the main controller includes an information processor 3 and Communication unit 4, information reading unit 2 includes sensor receiving network 5, RFID reading and writing system 6 and audio and video perception unit 7, RFID reading and writing system includes RFID electronic tag, reader and RFID data processor; Information processor 3 includes ARM processing device 8, information coding modeling unit 9 and auxiliary control components.
在实际应用中，主控制器中的信息处理器主要连接物联网系统结构中应用层，即连接存储服务器、应用服务器、传感器信息获取应用展示平台等，主控制器中的通信单元主要连接物联网系统中的传输层，从广义连接上讲，我们可以认为信息处理器通过通信单元连接物联网系统，同时在实际中，物联网系统还往往通过远程传输模块连接移动运营商网络；感知层设备主要包括现场各种无线传感器节点组成，本发明中的信息读取单元连接物联网系统中感知层设备连接，实时监测、感知和采集物联网中各种环境或监测对象的信息。In practical applications, the information processor in the main controller is mainly connected to the application layer in the system structure of the Internet of Things, that is, connected to the storage server, application server, sensor information acquisition application display platform, etc., and the communication unit in the main controller is mainly connected to the Internet of Things The transmission layer in the system, in terms of connection in a broad sense, we can think that the information processor is connected to the IoT system through the communication unit, and in practice, the IoT system is often connected to the mobile operator network through the remote transmission module; Consisting of various wireless sensor nodes on site, the information reading unit in the present invention is connected to the perception layer device in the Internet of Things system to monitor, perceive and collect information of various environments or monitoring objects in the Internet of Things in real time.
本发明系统中的主电源1包括电池组13及其连接的漏极开路器件14，电池组包括浮充式蓄电池组。浮充式蓄电池组运用了BMS系统，可以保障所连接设备更长时间的运行；BMS是现在广泛应用于供电领域的电池管理系统，它是电池与用户之间的纽带，主要对象是针对性解决二次电池的一些缺点，如存储能量少、寿命短、串并联使用问题、使用安全性、电池电量估算困难等。The main power source 1 in the system of the present invention includes a battery pack 13 and an open-drain device 14 connected thereto, and the battery pack includes a floating-charge storage battery pack. The floating charge battery pack uses the BMS system, which can guarantee the operation of the connected equipment for a longer period of time; BMS is a battery management system widely used in the field of power supply, it is the link between the battery and the user, and the main object is to solve Some disadvantages of secondary batteries, such as less stored energy, short life, problems in series and parallel use, safety in use, difficulty in estimating battery power, etc.
附属控制组件包括时钟电路10、存储器11和人机交互界面12；人机交互界面包括LED阵列和控制键盘。The auxiliary control component includes a clock circuit 10, a memory 11 and a man-machine interface 12; the man-machine interface includes an LED array and a control keyboard.
通信单元4包括远程传输模块15和近程传输模块16，近程传输模块16包括JTAG接口和系统总线，远程传输模块15包括LTE通信组件和光纤通信单元；LTE通信组件包括TD-LTE通信芯片和LTE230通信芯片；系统总线设置数据加密装置，一方面，在安全接入和安全传输方面，采用移动终端和无线接入网建立加密网关，从而终端和主站系统侧都能安全、可靠的收发数据，另一方面，在本地数据链路层上，通过使用设备地址、认证私钥、加密私钥和随机码等多个参数保证通信安全，为调试、维护以及操作提供方便、安全等有利保证。Communication unit 4 comprises long-range transmission module 15 and short-range transmission module 16, and short-range transmission module 16 comprises JTAG interface and system bus, and long-distance transmission module 15 comprises LTE communication assembly and optical fiber communication unit; LTE communication assembly comprises TD-LTE communication chip and LTE230 communication chip; the system bus is equipped with a data encryption device. On the one hand, in terms of secure access and secure transmission, the mobile terminal and wireless access network are used to establish an encryption gateway, so that the terminal and the main station system can send and receive data safely and reliably On the other hand, on the local data link layer, multiple parameters such as device address, authentication private key, encryption private key and random code are used to ensure communication security, which provides convenience and security for debugging, maintenance and operation.
系统的传感器通信装置包括近距离通信装置和广域网络通信装置。在近距离通信方面，以IEEE802.15.4为代表的近距离通信技术是目前的主流技术，802.15.4规范是IEEE制定的用于低速近距离通信的物理层和媒体介入控制层规范，工作在ISM频段，免许可证的2.4GHz ISM频段全世界都可通用。在广域网路通信方面，IP互联网、2G/3G移动通信、卫星通信技术等实现了信息的远程传输，特别是以IPv6为核心的下一代互联网的发展，将为每个传感器分配IP地址创造可能，也为传感网的发展创造了良好的基础网条件。传感网络相关通信技术，常见的有蓝牙、IrDA、Wi-Fi、ZigBee、RFID、UWB、NFC、WirelessHart等。The sensor communication device of the system includes a short distance communication device and a wide area network communication device. In terms of short-distance communication, short-distance communication technology represented by IEEE802.15.4 is the current mainstream technology. The 802.15.4 specification is a physical layer and media access control layer specification for low-speed short-distance communication formulated by IEEE. It works on the ISM frequency band, the license-free 2.4GHz ISM frequency band is available all over the world. In terms of wide area network communication, IP Internet, 2G/3G mobile communication, satellite communication technology, etc. have realized the remote transmission of information, especially the development of the next generation Internet with IPv6 as the core, which will create the possibility of assigning IP addresses to each sensor. It also creates good basic network conditions for the development of sensor networks. Common communication technologies related to sensor networks include Bluetooth, IrDA, Wi-Fi, ZigBee, RFID, UWB, NFC, WirelessHart, etc.
本发明的核心功能主要体现在与物联网技术结合的传感器技术和RFID射频识别技术上:The core function of the present invention is mainly embodied in the sensor technology and the RFID radio frequency identification technology combined with the Internet of Things technology:
一方面，系统通过采集各传感器之间的数据并进行相互协作构成了传感器接收网络，实时监测、感知和采集各种环境或监测对象的信息，通过嵌入式系统对信息进行处理，并通过随机自组织无线通信网络以多跳中继方式将所感知信息传送到信息处理器。On the one hand, the system forms a sensor receiving network by collecting data between sensors and cooperating with each other to monitor, perceive and collect information of various environments or monitoring objects in real time, process the information through embedded systems, and Organize the wireless communication network to transmit the perceived information to the information processor in a multi-hop relay manner.
另一方面，系统的RFID系统由RFID电子标签、阅读器和RFID数据处理器组成。RFID电子标签包括RF模块和EEPROM，阅读器与RFID电子标签通过RFID数据处理器连接，阅读器通过WLAN无线网络或串行数据接口连接信息处理器中的存储器。当带有电子标签的量测设备通过特定的信息阅读器时，标签被阅读器激活并通过无线电波将标签中携带的信息传送到阅读器以及RFID数据处理器，完成量测设备信息的自动采集工作。而RFID数据处理器则根据需求承担相应的信息控制和处理工作。On the other hand, the RFID system of the system is composed of RFID electronic tags, readers and RFID data processors. The RFID electronic tag includes an RF module and an EEPROM. The reader and the RFID electronic tag are connected through an RFID data processor, and the reader is connected to the memory in the information processor through a WLAN wireless network or a serial data interface. When a measuring device with an electronic tag passes through a specific information reader, the tag is activated by the reader and transmits the information carried in the tag to the reader and the RFID data processor through radio waves to complete the automatic collection of measuring device information Work. The RFID data processor undertakes the corresponding information control and processing work according to the demand.
系统RFID系统的基本工作流程为：①阅读器通过发射设备发送一定频率的射频信号，当射频标签进入发射设备工作区域时产生感应电流射频标签获得能量被激活，将自身编码等信息通过卡内置发送设备发送出去。The basic workflow of the system RFID system is as follows: ① The reader sends a radio frequency signal of a certain frequency through the transmitting device. When the radio frequency tag enters the working area of the transmitting device, an induced current is generated. The radio frequency tag obtains energy and is activated, and sends information such as its own code through the card. The device is sent out.
②系统接收设备接收到从射频标签发送来的载波信号，经调节器传送到阅读器，阅读器对接收的信号进行解调和解码然后送到后台主系统进行相关处理。②The system receiving device receives the carrier signal sent from the radio frequency tag, and transmits it to the reader through the regulator. The reader demodulates and decodes the received signal and then sends it to the background main system for related processing.
③主系统根据逻辑运算判断该卡的合法性，针对不同的设定做出相应的处理和控制，发出指令信号控制执行机构动作。读写距离是衡量射频识别系统的性能的重要参数，影响射频卡读写距离的因素包括信号接收、发送设备工作频率、阅读器的输出功率、阅读器的接收灵敏度、射频卡的功耗以及射频卡本身获得的能量及发送信息的能量等，大多数系统的读取距离与写入距离不同，写入距离约是读取距离的40% -80%。③The main system judges the legitimacy of the card according to the logical operation, makes corresponding processing and control for different settings, and sends out command signals to control the action of the actuator. The reading and writing distance is an important parameter to measure the performance of the radio frequency identification system. Factors affecting the reading and writing distance of the radio frequency card include signal reception, operating frequency of the sending device, output power of the reader, receiving sensitivity of the reader, power consumption of the radio frequency card and radio frequency The energy obtained by the card itself and the energy for sending information, etc., the reading distance of most systems is different from the writing distance, and the writing distance is about 40% -80% of the reading distance.
以上所述仅为本发明的较佳实施例，并不用以限制本发明，本领域的一般技术人员将认识到，使用本发明的方案还可以实现许多可选的实施例。凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. Those skilled in the art will recognize that many optional embodiments can be realized by using the solutions of the present invention. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.
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