WO2017161659A1 - 射频识别标签及射频识别系统 - Google Patents
射频识别标签及射频识别系统 Download PDFInfo
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- WO2017161659A1 WO2017161659A1 PCT/CN2016/082612 CN2016082612W WO2017161659A1 WO 2017161659 A1 WO2017161659 A1 WO 2017161659A1 CN 2016082612 W CN2016082612 W CN 2016082612W WO 2017161659 A1 WO2017161659 A1 WO 2017161659A1
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- Prior art keywords
- radio frequency
- information
- frequency identification
- module
- identification tag
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Classifications
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- H—ELECTRICITY
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- H04B—TRANSMISSION
- H04B5/00—Near-field transmission systems, e.g. inductive or capacitive transmission systems
- H04B5/70—Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
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- G06K7/10128—Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the sensing being preceded by at least one preliminary step the step consisting of detection of the presence of one or more record carriers in the vicinity of the interrogation device
Definitions
- the present disclosure relates to the field of radio frequency identification technologies, and in particular, to a radio frequency identification tag and a radio frequency identification system.
- RFID Radio Frequency Identification
- One of the objects of the present disclosure is to provide an RFID tag and an RFID system that can collect, process, and transmit information.
- the technical solution of the present disclosure provides an RFID tag, including a first communication module, a data processing module, and an RFID module;
- the first communication module is configured to establish a communication connection with the information collection device to acquire information collected by the information collection device;
- the data processing module is connected to the first communication module and the RFID module, and the data processing module processes the information collected by the information acquisition device acquired by the first communication module, and performs the processing.
- the obtained information is output through the RFID module.
- the method further includes a storage module connected to the data processing module, where the storage module is configured to store information collected by the information collection device acquired by the first communication module and information obtained through the processing.
- a power module is also included.
- the power module includes a battery and a charging device connected to the battery.
- the battery is a nickel hydrogen battery or a lithium ion battery
- the charging device is a wireless charging device or a solar charging device.
- the RFID module includes an RFID tag antenna and an RFID tag circuit
- the RFID tag circuit includes a demodulator, a modulator, a logic control circuit, and a memory chip
- the demodulator is connected to the RFID tag antenna and the logic control circuit, and the demodulator is configured to demodulate a signal received by the RFID tag antenna from the outside, and send the demodulated signal to the Logic control circuit
- the logic control circuit is connected to the modulator and the memory chip, and the logic control circuit is configured to decode a signal received from the demodulator, and store the memory chip according to the decoded information. Information is sent to the modulator;
- the modulator is coupled to the RFID tag antenna, the modulator for modulating a signal received from the logic control circuit and transmitting the modulated signal through the RFID tag antenna.
- the RFID tag circuit further includes a rectifier connected to the RFID tag antenna, the rectifier is configured to convert a radio frequency signal received by the RFID tag antenna from alternating current to direct current to provide work for the RFID module. Voltage.
- the data processing module includes a processor and a clock coupled to the processor, the clock for providing a working timing to the processor.
- the first communication module includes at least one of the following: a Bluetooth communication unit, and a Zigbee communication unit.
- the present disclosure also provides an RFID system, comprising: the above-mentioned RFID tag; the information collecting device; and an RFID reader for receiving information output by the RFID tag through the RFID module.
- the first communication module of the RFID tag determines whether to establish a communication connection with the information collection device by detecting a signal strength of the information collection device.
- the device further includes a control device, and the control device controls the first communication module to establish a communication connection with the information collection device according to the information input by the user.
- control device establishes a communication connection between the first communication module and the information collection device by writing identity information of the RFID tag to the information collection device.
- the information collection device includes a sensor, a digital to analog conversion module, and a second communication module;
- the digital-to-analog conversion module is connected to the sensor and the second communication module, and the digital-to-analog conversion module converts information collected by the sensor from an analog signal to a digital signal and outputs the information through the second communication module.
- the senor comprises at least one of the following: a temperature sensor, a humidity sensor, a position sensor, a speed sensor, and an image sensor.
- the information collected by the information collection device includes at least one of the following: speed information of the vehicle, feature information of the vehicle, and location information of the vehicle;
- the RFID tag analyzes and processes the information collected by the information collection device, and sends the result of the analysis process to the traffic monitoring center through the RFID reader.
- the RFID tag also transmits the result of the analysis process to the vehicle via the information collection device.
- the information collected by the information collection device includes at least one of the following: temperature information of an environment in which the goods are located, humidity information of an environment in which the goods are located, and location information of the goods;
- the RFID tag analyzes and processes the information collected by the information collection device, and sends the result of the analysis process to the logistics monitoring center through the RFID reader.
- the information collected by the information collection device includes at least one of the following: purchaser information, drug information, drug amount information, and payment information;
- the RFID tag analyzes and processes the information collected by the information collection device, and sends the result of the analysis process to the automatic drug collection system through the RFID reader.
- the RFID tag provided by the present disclosure collects information collected by the information collection device by using the first communication module, and the collected information can be processed by the data processing module and output through the RFID module, so that the RFID tag can not only have the function of object recognition. It also enables the collection, processing and transmission of information.
- FIG. 1 is a schematic diagram of an RFID tag provided by an embodiment of the present disclosure
- FIG. 2 is a schematic diagram of another RFID tag provided by an embodiment of the present disclosure.
- FIG. 3 is a schematic diagram of an RFID system provided by an embodiment of the present disclosure.
- FIG. 4 is a schematic diagram of communication between an RFID tag and an information collection device in an RFID system according to an embodiment of the present disclosure
- FIG. 5 is a schematic diagram of an RFID tag communicating with a plurality of information collection devices in an RFID system according to an embodiment of the present disclosure.
- the RFID tag includes a first communication module 100, a data processing module 200, and an RFID module 300;
- the first communication module 100 is configured to establish a communication connection with the information collection device to acquire information collected by the information collection device.
- the data processing module 200 is connected to the first communication module 100 and the RFID module 300, and the data processing module 200 processes the information collected by the information acquisition device acquired by the first communication module 100, and The information obtained through the processing is output through the RFID module 300.
- the RFID tag provided by the embodiment of the present disclosure collects information collected by the information collection device by using the first communication module, and the collected information can be processed by the data processing module and output through the RFID module, so that the RFID tag can not only have object recognition.
- the function also enables the collection, processing and transmission of information.
- the RFID module in the above RFID tag can establish a communication connection with an RFID reader, which can include an RFID tag circuit and an RFID tag antenna;
- the foregoing RFID tag may further include a storage module connected to the data processing module, where the storage module is configured to store information collected by the information collection device acquired by the first communication module and after the processing The information obtained.
- FIG. 2 is a schematic diagram of another RFID tag provided by an embodiment of the present disclosure.
- the RFID tag includes a first communication module 100 , a data processing module 200 , an RFID module 300 , and a storage module 400 .
- the first communication module 100 is configured to establish a communication connection with the information collection device to obtain information collected by the information collection device.
- the first communication module 100 may include a Bluetooth communication unit and/or a Zigbee communication list. Yuan, because the above communication method consumes less energy, it can reduce the power supply pressure.
- the data processing module 200 is connected to the first communication module 100 and the RFID module 300.
- the data processing module 200 processes the information collected by the information acquisition device acquired by the first communication module 100, and outputs the processed information to the RFID module 300.
- the data processing module can include a processor 210 and a clock 220 coupled to the processor 210 to provide operational timing to the processor 210.
- the RFID module 300 is used to establish a communication connection with an RFID reader, which includes an RFID tag circuit 310 and an RFID tag antenna 320.
- the RFID tag circuit 310 can generally include a demodulator, a modulator, a logic control circuit, and a memory chip.
- the demodulator is connected to the RFID tag antenna and the logic control circuit, and the demodulator is configured to demodulate a signal received by the RFID tag antenna from the outside, and send the demodulated signal to the Logic control circuit.
- the logic control circuit is connected to the modulator and the memory chip, and the logic control circuit is configured to decode a signal received from the demodulator, and store the memory chip according to the decoded information. The information is sent to the modulator.
- the modulator is coupled to the RFID tag antenna, the modulator is configured to modulate a signal received from the logic control circuit, and transmit the modulated signal to the RFID tag antenna, wherein the modulator can The low frequency signal is used to modulate the high frequency oscillation so that the signal can be transmitted by the RFID tag antenna.
- the data processing module can write the information to be sent into the memory chip of the RFID module, so that the information to be transmitted can be sent out through the RFID module.
- the RFID tag circuit 310 may further include a rectifier connected to the RFID tag antenna, and convert the radio frequency signal received by the RFID tag antenna 320 from alternating current to direct current to provide an operating voltage to the RFID module; the storage module 400 And configured to store information collected by the information collection device acquired by the first communication module 100 and information obtained through the processing.
- the RFID tag described above may further include a power module that supplies power to the entire RFID tag, which may include a battery and a charging device connected to the battery.
- a charging device is used to charge the battery.
- the battery can be a common nickel-hydrogen battery, a common lithium-ion battery (in the case of low requirements on the size of the RFID tag), or a thin film lithium ion battery, charging device It can be charged for wireless or solar.
- the above power supply can also be equipped with a supercapacitor with a temporary energy storage device to provide temporary power in the absence of light or wireless charging facilities.
- the RFID system includes the above-described RFID tag 1, information collecting device 2, and RFID reader 3.
- the RFID reader 3 is configured to receive information output by the RFID tag through the RFID module.
- the information collection device 2 may include a sensor, a digital to analog conversion module, and a second communication module.
- the digital-to-analog conversion module is connected to the sensor and the second communication module, and the digital-to-analog conversion module converts information collected by the sensor from an analog signal to a digital signal and outputs the information through the second communication module.
- the information collection device 2 may include a sensor 10, a digital-to-analog conversion module 20, and a second communication module 30.
- the second communication module 30 is configured to communicate with the RFID tag 1, and the information collected by the sensor 10 is digital-to-analog converted.
- the module can be sent to the RFID tag 1 through the second communication module 30, wherein the second communication module 30 of the information collection device 2 can also use Bluetooth, Zigbee and other low-power communication methods.
- the manner in which the RFID tag 1 establishes communication with the information collecting device 2 can be as follows.
- the first way the RFID tag actively searches for signals from nearby information collection devices, and determines which information acquisition devices are paired by signal strength analysis. Specifically, the first communication module of the RFID tag determines whether to establish a communication connection with the information collection device by detecting the signal strength of the information collection device. For example, when the first communication module of the RFID tag determines that the signal strength of the information collection device is greater than a preset value, the first communication module of the RFID tag establishes a communication connection with the information collection device, which can reduce labor costs.
- the second method is: adding a control device, that is, adding a control device to the RFID system, wherein the control device controls the first communication module to establish a communication connection with the information collection device according to information input by the user, that is, using the control A device (such as a cell phone) is paired. For example, after the RFID tag and the information collecting device are connected to the control device, the user is selected to connect the RFID tag to which information collecting devices.
- the control device establishes a communication connection between the first communication module and the information collection device by writing identity information of the RFID tag to the information collection device.
- the user can write the identity information of the RFID tag into the information collection device that needs to be paired by the control device (the corresponding signal processing and storage function can be added to the information collection device).
- the RFID tag automatically pairs with the information collection device that contains its identity information. Compared to the first way, this method can reduce the probability of pairing errors.
- the sensors in the information collection device may include at least one of the following: a temperature sensor, a humidity sensor, a position sensor, a speed sensor, and an image sensor.
- the RFID system described above may include a plurality of information collection devices, each of which may include different sensors, and the plurality of information collection devices may simultaneously perform matching communication with the RFID tag to input different types of information to the RFID tag.
- a plurality of information collecting devices may be mounted on the monitoring object, and various parameters (such as temperature, speed, position, humidity, etc.) of the monitoring object may be measured, and RFID tags may be mounted on the monitoring object or the fixed monitoring point to collect The parameter information measured by these information collection devices is processed, stored, and transmitted.
- the RFID tag 1 can establish a communication connection with the information collecting device 21, the information collecting device 22, and the information collecting device 23 at the same time.
- the sensor in the information collecting device 21 may be a temperature sensor
- the sensor in the information collecting device 22 may be a humidity sensor
- the sensor in the information collecting device 23 may be a position sensor.
- the above RFID system of the present disclosure can be used in the fields of intelligent transportation, intelligent logistics, smart pharmacy and the like.
- the information collected by the information collection device may include at least one of the following: speed information of the vehicle, characteristic information of the vehicle, and position information of the vehicle.
- the RFID tag analyzes and processes the information collected by the information collection device, and sends the result of the analysis process to the traffic monitoring center through the RFID reader.
- the RFID tag can also transmit the result of the analysis process to the vehicle via the information collection device.
- the RFID tag described above can be loaded onto a traffic sign (the loading can be attached to the traffic sign in a pasted form, or it can be included in the traffic sign in an embedded form).
- the information collecting device is installed in the vehicle, and the RFID tag collects information (such as speed, vehicle characteristics, personnel information, etc.) sent by various information collecting devices in the vehicle, and passes through the processor in the RFID tag. Line integration analysis. Then, the analyzed result is displayed by the display device provided by the traffic sign or the information is pushed to the vehicle through the information collecting device, and the traffic flow is monitored and provided, and personalized information service is provided.
- each vehicle passing by a traffic sign with an RFID tag transmits vehicle speed information to the RFID tag through an information collecting device therein, and the RFID tag determines whether the vehicle is overspeed based on the received information, and Send feedback to the vehicle to avoid overspeeding.
- the RFID tag can also determine the traffic flow information (the number of vehicles passing through the unit time), thereby obtaining the road congestion in front, thereby guiding the vehicle to run off and avoid traffic congestion.
- More personalized applications such as a network formed by a large number of traffic signs loaded with the above RFID tags, can track the journey of the vehicle and push travel information (such as accommodation, shopping, tourist attractions, etc.) along the way.
- the information collected by the information collection device may include at least one of the following: temperature information of the environment in which the goods are located, humidity information of the environment in which the goods are located, and location information of the goods.
- the RFID tag analyzes and processes the information collected by the information collection device, and sends the result of the analysis process to the logistics monitoring center through the RFID reader.
- a logistics control node loaded with an RFID tag can be installed on a logistics channel such as a highway or a warehouse.
- the logistics control node provides various information services for the logistics vehicle and the logistics control center by receiving and processing the logistics information sent by various information collecting devices in the passing logistics vehicles.
- the application can be divided into two aspects: on the road and in the warehouse.
- the application on the road is similar to the intelligent traffic application described above, and the logistics control node (loaded with the above-mentioned RFID tag) can monitor the traveling trajectory and speed of the logistics vehicle (loaded with the above-mentioned information collecting device) to provide traffic information for the vehicle.
- Another application can be in the fresh-keeping logistics, the information collecting device in the logistics vehicle sends the temperature and humidity information in the fresh-keeping vehicle to the RFID tag, and the RFID tag analyzes and processes the received information to determine the information of the fresh-keeping status of the goods.
- the RFID tag communicates with the logistics monitoring center or other terminals through the RFID reader, and transmits the freshness status information in real time. Once the freshness status information is abnormal, the logistics vehicle can be notified in time to check and handle the abnormal situation in time.
- the application in warehousing is mainly reflected in the realization of unattended warehousing. After the transport vehicle arrives at the warehouse, the information collection device in the vehicle sends the transport cargo information to the RFID tag. After the RFID tag receives the information, it is calculated to feedback the transport vehicle cargo unloading/ Store the location and adjust the storage environment in time to meet the needs of transporting items through other controllers in the warehouse.
- the information collected by the information collecting device may include at least one of the following: purchaser information, drug information, drug amount information, and payment information.
- the RFID tag analyzes and processes the information collected by the information collection device, and sends the result of the analysis process to the automatic drug collection system through the RFID reader.
- RFID tags can be installed in hospital pharmacies to implement unattended, fully automated drug purchases.
- the basic information of the purchaser can be written into the information collection device in advance, and when the purchaser carrying the information collection device enters the purchase waiting area, the RFID tag can simultaneously identify information of multiple purchasers, including purchase.
- the processor in the RFID tag processes the purchase request in the chronological order in which the signals are received.
- the RFID tag establishes a communication connection with the automatic drug taking system (such as the robot arm) through the RFID reader, and the RFID tag issues a medicine taking instruction to the automatic medicine taking system, and the medicine passes the automatic medicine taking system. Transfer to the drug collection window and remind the drug by calling the name of the purchaser.
- the RFID tag establishes a communication connection with the automatic drug collection system (such as the robot arm) through the RFID reader, and issues a payment prompt instruction to the automatic drug collection system, and the automatic drug collection system can prompt through the broadcast call. The purchaser pays the fee at the payment counter.
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Abstract
Description
Claims (19)
- 一种射频识别标签,包括第一通讯模块、数据处理模块以及射频识别模块;所述第一通讯模块用于与信息采集装置建立通讯连接,以获取所述信息采集装置采集的信息;所述数据处理模块与所述第一通讯模块、所述射频识别模块连接,所述数据处理模块对所述第一通讯模块获取的所述信息采集装置采集的信息进行处理,并将经过所述处理得到的信息通过所述射频识别模块输出。
- 根据权利要求1所述的射频识别标签,还包括与所述数据处理模块相连的存储模块,所述存储模块用于存储所述第一通讯模块获取的所述信息采集装置采集的信息以及经过所述处理得到的信息。
- 根据权利要求1所述的射频识别标签,还包括电源模块。
- 根据权利要求3所述的射频识别标签,其中,所述电源模块包括电池以及与所述电池相连的充电装置。
- 根据权利要求4所述的射频识别标签,其中,所述电池为镍氢电池或锂离子电池,所述充电装置为无线充电装置或太阳能充电装置。
- 根据权利要求1所述的射频识别标签,其中,所述射频识别模块包括射频识别标签天线与射频识别标签电路,所述射频识别标签电路包括解调器、调制器、逻辑控制电路以及存储芯片;所述解调器与所述射频识别标签天线、所述逻辑控制电路相连,所述解调器用于对所述射频识别标签天线从外部接收的信号进行解调,并将解调得到的信号发送所述逻辑控制电路;所述逻辑控制电路与所述调制器、所述存储芯片相连,所述逻辑控制电路用于对从所述解调器接收的信号进行译码,并根据译码得到信息将所述存储芯片存储的信息发送所述调制器;所述调制器与所述射频识别标签天线相连,所述调制器用于对从所述逻辑控制电路接收的信号进行调制,并将调制后得到信号通过所述射频识别标签天线发射出。
- 根据权利要求6所述的射频识别标签,其中,所述射频识别标签电路还包括与所述射频识别标签天线相连的整流器,所述整流器用于将所述射频识别标签天线接收的射频信号由交流转换为直流,以对所述射频识别模块提供工作电压。
- 根据权利要求1所述的射频识别标签,其中,所述数据处理模块包括处理器以及与所述处理器相连的时钟,所述时钟用于对所述处理器提供工作时序。
- 根据权利要求1-8任一所述的射频识别标签,其中,所述第一通讯模块包括以下的至少一者:蓝牙通讯单元、Zigbee通讯单元。
- 一种射频识别系统,包括:如权利要求1-9任一所述的射频识别标签;所述信息采集装置;射频识别阅读器,用于接收所述射频识别标签通过所述射频识别模块输出的信息。
- 根据权利要求10所述的射频识别系统,其中,所述射频识别标签的所述第一通讯模块通过检测所述信息采集装置的信号强度确定是否与所述信息采集装置建立通讯连接。
- 根据权利要求10所述的射频识别系统,还包括控制装置,所述控制装置根据用户输入的信息控制所述第一通讯模块与所述信息采集装置建立通讯连接。
- 根据权利要求12所述的射频识别系统,其中,所述控制装置通过将所述射频识别标签的身份信息写入所述信息采集装置以使所述第一通讯模块与所述信息采集装置建立通讯连接。
- 根据权利要求10-13任一所述的射频识别系统,其中,所述信息采集装置包括传感器、数模转换模块以及第二通讯模块;所述数模转换模块与所述传感器、所述第二通讯模块相连,所述数模转换模块将所述传感器采集的信息从模拟信号转换为数字信号后通过所述第二通讯模块输出。
- 根据权利要求14所述的射频识别系统,其中,所述传感器包括以下 的至少一种:温度传感器、湿度传感器、位置传感器、速度传感器、图像传感器。
- 根据权利要求10-13任一所述的射频识别系统,其中,所述信息采集装置采集的信息包括以下的至少一种:车辆的速度信息、车辆的特征信息、车辆的位置信息;所述射频识别标签对所述信息采集装置采集的信息进行分析处理,并将分析处理的结果通过所述射频识别阅读器发送至交通监控中心。
- 根据权利要求16所述的射频识别系统,其中,所述射频识别标签还将分析处理的结果通过所述信息采集装置发送至车辆。
- 根据权利要求10-13任一所述的射频识别系统,其中,所述信息采集装置采集的信息包括以下的至少一种:货物所处环境的温度信息、货物所处环境的湿度信息、货物的位置信息;所述射频识别标签对所述信息采集装置采集的信息进行分析处理,并将分析处理的结果通过所述射频识别阅读器发送至物流监控中心。
- 根据权利要求10-13任一所述的射频识别系统,其中,所述信息采集装置采集的信息包括以下的至少一种:购药者信息、药品信息、药品金额信息、付费信息;所述射频识别标签对所述信息采集装置采集的信息进行分析处理,并将分析处理的结果通过所述射频识别阅读器发送至自动取药系统。
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