CN101216876A - Transportation monitoring system and method for sensing radio frequency identification and general packet radio services - Google Patents
Transportation monitoring system and method for sensing radio frequency identification and general packet radio servicesDownload PDFInfo
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Abstract
Translated fromChinese
Description
Translated fromChinese技术领域technical field
本发明涉及一种传感射频识别和通用分组无线业务的运输监测系统及方法。The invention relates to a transportation monitoring system and method for sensing radio frequency identification and general packet wireless services.
背景技术Background technique
射频识别(Radio Frequency Identification，RFID)技术，是一种非接触式的自动识别技术，每个RFID标签都有一个唯一的标识(ID)信息，RFID阅读器通过射频的方式读器标签的ID信息。RFID标签由于是通过射频来读取，具有可工作于恶劣的环境、读取速度快、一次可读取的标签数目多、读取距离远等诸多优点。因此，RFID技术广泛应用于物流和交通管理上。Radio Frequency Identification (RFID) technology is a non-contact automatic identification technology. Each RFID tag has a unique identification (ID) information, and the RFID reader reads the ID information of the tag through radio frequency. . Since RFID tags are read by radio frequency, they have many advantages such as being able to work in harsh environments, fast reading speed, large number of tags that can be read at one time, and long reading distance. Therefore, RFID technology is widely used in logistics and traffic management.
通用分组无线业务(General Packet Radio Service，GPRS)技术，是一种以全球移动通信系统(Global System for Mobile Communications，GSM)为基础的数据传输技术，能够实现移动终端的无线数据传输业务。GPRS和以往连续在频道传输的方式不同，是以封包式来传输，按流量计费，因此，与GSM相比，具有更合理的价格。此外，GPRS具有更高的传输速率，更快的建立连接速度，时刻保持在线。这些特点使得GPRS技术适合于移动终端的数据传输。General Packet Radio Service (GPRS) technology is a data transmission technology based on Global System for Mobile Communications (GSM), which can realize wireless data transmission services of mobile terminals. GPRS is different from the previous method of continuous channel transmission. It is transmitted in packets and charged according to traffic. Therefore, compared with GSM, it has a more reasonable price. In addition, GPRS has a higher transmission rate, a faster connection establishment speed, and keeps online at all times. These characteristics make GPRS technology suitable for data transmission of mobile terminals.
普通的RFID物流系统只能采用RFID标签对物品进行标识，并在固定的位置放置RFID阅读器来对货物进行读取，一方面不能对物品的环境参数进行传感，另一方面也无法对运输途中的货物进行监控。而基于传感RFID技术和GPRS技术的运输监测系统则可以对物品在整个运输途中的环境参数都能进行监控，全面保障对环境参数敏感的货物运输的质量和安全。Ordinary RFID logistics systems can only use RFID tags to identify items and place RFID readers at fixed locations to read the items. On the one hand, they cannot sense the environmental parameters of the items, and on the other hand, they cannot monitor the transport Cargo in transit is monitored. The transportation monitoring system based on sensing RFID technology and GPRS technology can monitor the environmental parameters of the items during the entire transportation, and fully guarantee the quality and safety of the transportation of goods that are sensitive to environmental parameters.
发明内容Contents of the invention
本发明的目的是提供一种传感射频识别和通用分组无线业务的运输监测系统及方法。The object of the present invention is to provide a transportation monitoring system and method for sensing radio frequency identification and general packet radio services.
传感射频识别技术和通用分组无线业务技术的运输监测系统中的车载射频识别阅读器经射频与传感射频识别标签相连接，车载射频识别阅读器经通用分组无线业务无线通信与数据中心相连接，车载射频识别阅读器包括依次相连接的阅读器天线、射频识别阅读器、通用分组无线业务无线通信模块和无线通信天线。The vehicle-mounted radio frequency identification reader in the transportation monitoring system of the sensing radio frequency identification technology and the general packet wireless service technology is connected with the sensing radio frequency identification tag through radio frequency, and the vehicle radio frequency identification reader is connected with the data center through the general packet radio service wireless communication The vehicle-mounted radio frequency identification reader includes a reader antenna, a radio frequency identification reader, a GPRS wireless communication module and a wireless communication antenna connected in sequence.
所述的传感射频识别标签的内部模块连接关系为第一控制器分别与传感器、第一存储器、第一控制器外围电路、电源模块与第一射频模块相连接，第一射频模块与第一射频模块外围电路、匹配网络相连接，匹配网络与标签天线相连接。The internal module connection relationship of the sensing radio frequency identification tag is that the first controller is respectively connected with the sensor, the first memory, the peripheral circuit of the first controller, the power supply module and the first radio frequency module, and the first radio frequency module is connected with the first radio frequency module. The peripheral circuit of the radio frequency module is connected with the matching network, and the matching network is connected with the tag antenna.
所述的射频识别阅读器的内部模块连接关系为第二控制器与第二控制器外围电路、第二存储器、输入模块、显示模块与第二射频模块相连接，第二射频模块与第二射频模块外围电路、功率放大模块和滤波放大模块相连接，定向耦合器与功率放大模块、滤波放大模块相连接。The internal module connection relationship of the radio frequency identification reader is that the second controller is connected with the peripheral circuit of the second controller, the second memory, the input module, the display module and the second radio frequency module, and the second radio frequency module is connected with the second radio frequency module. The peripheral circuit of the module is connected with the power amplifier module and the filter amplifier module, and the directional coupler is connected with the power amplifier module and the filter amplifier module.
所述的数据中心的内部模块的连接关系为数据中心服务器与网络通信主机、数据库服务器和多个监控终端相连接，数据库服务器与网络通信主机相连接。The connection relationship of the internal modules of the data center is that the data center server is connected with the network communication host, the database server and multiple monitoring terminals, and the database server is connected with the network communication host.
传感射频识别技术和通用分组无线业务技术的运输监测方法中的传感射频识别标签通过内部传感器采集运输货物传感信息并存储于传感射频识别标签内部，车载射频识别阅读器通过射频识别的方法读取传感射频标识标签内部存储的标识信息和传感信息，车载射频识别阅读器将读取的射频识别标识信息和传感信息通过通用分组无线业务的方式发送到数据中心，数据中心对数据进行显示、记录和报警，传感射频识别标签和车载射频识别阅读器通过内部的存储器对数据进行双重缓存，获得完整的运输全过程监测数据。In the transportation monitoring method of sensing radio frequency identification technology and general packet wireless service technology, the sensing radio frequency identification tag collects the sensing information of the transported goods through the internal sensor and stores it inside the sensing radio frequency identification tag, and the vehicle radio frequency identification reader passes the radio frequency identification The method reads the identification information and sensing information stored inside the sensing radio frequency identification tag, and the vehicle radio frequency identification reader sends the read radio frequency identification identification information and sensing information to the data center through the general packet wireless service, and the data center The data is displayed, recorded and alarmed. The sensor RFID tag and the vehicle RFID reader double cache the data through the internal memory to obtain complete monitoring data during the entire transportation process.
所述的双重缓存方法为：传感射频识别标签在采集到传感信息后，暂时将传感数据存储在内部存储空间中，当车载阅读器读取传感射频识别标签时再将传感信息与标识一起通过射频发送给车载射频识别阅读器，发送成功则将传感数据从内部存储空间删除，车载射频识别阅读器在读到传感射频识别标签的标识信息及其传感信息后，暂时将传感射频识别标签的标识信息及其传感信息存储在内部存储空间中，再将传感射频识别标签的标识信息及其传感信息通过通用分组无线业务发送给数据中心，发送成功则将传感射频识别标签的标识信息及其传感信息从内部存储空间删除。The double buffering method is as follows: after the sensing radio frequency identification tag collects the sensing information, it temporarily stores the sensing data in the internal storage space, and then stores the sensing information when the vehicle-mounted reader reads the sensing radio frequency identification tag. Together with the identification, it is sent to the vehicle-mounted RFID reader through radio frequency. If the transmission is successful, the sensing data will be deleted from the internal storage space. The identification information of the sensing radio frequency identification tag and its sensing information are stored in the internal storage space, and then the identification information of the sensing radio frequency identification tag and its sensing information are sent to the data center through the general packet wireless service. The identification information of the sensing RFID tag and its sensing information are deleted from the internal storage space.
本发明提出了一种传感射频识别和通用分组无线业务的运输监测系统及方法，其有益效果是不但可以对运输货物进行跟踪和管理，还能实时监测货物在运输途中的环境参数，并将运输全程的环境参数保存于数据中心，供监控人员和最终客户查询，从而保障类似于食品、医药等对环境参数敏感的物品的质量和安全。The present invention proposes a transport monitoring system and method for sensing radio frequency identification and general packet wireless services. Its beneficial effect is that it can not only track and manage the transported goods, but also monitor the environmental parameters of the goods in transit in real time, and The environmental parameters of the entire transportation process are stored in the data center for monitoring personnel and end customers to query, thereby ensuring the quality and safety of items sensitive to environmental parameters such as food and medicine.
附图说明Description of drawings
图1是传感射频识别和通用分组无线业务的运输监测系统结构示意图；Figure 1 is a schematic structural diagram of a transportation monitoring system for sensing radio frequency identification and general packet wireless services;
图2是本发明的传感射频识别标签的结构示意图；Fig. 2 is a structural schematic diagram of the sensing radio frequency identification tag of the present invention;
图3是本发明的车载射频识别阅读器的结构示意图；Fig. 3 is the structural representation of vehicle-mounted radio frequency identification reader of the present invention;
图4是本发明的数据中心的结构示意图；Fig. 4 is the structural representation of the data center of the present invention;
图5是本发明的数据中心软件功能模块示意图；Fig. 5 is a schematic diagram of a data center software function module of the present invention;
图6是本发明的传感射频识别标签的工作流程示意图；6 is a schematic diagram of the workflow of the sensing radio frequency identification tag of the present invention;
图7是本发明的车载射频识别阅读器的工作流程示意图。Fig. 7 is a schematic diagram of the workflow of the vehicle-mounted radio frequency identification reader of the present invention.
具体实施方式Detailed ways
以下结合一种具体的实施方案和附图对本发明做详细的说明。该方案采用2.4G有源射频识别技术来实现传感射频识别标签，传感射频识别标签采集的环境参数为温度参数。The present invention will be described in detail below in combination with a specific embodiment and accompanying drawings. The solution adopts 2.4G active radio frequency identification technology to realize the sensing radio frequency identification tag, and the environmental parameters collected by the sensing radio frequency identification tag are temperature parameters.
如图1所示，传感射频识别技术和通用分组无线业务技术的运输监测系统中的车载射频识别阅读器经射频与传感射频识别标签相连接，车载射频识别阅读器经通用分组无线业务无线通信与数据中心相连接，车载射频识别阅读器包括依次相连接的阅读器天线、射频识别阅读器、通用分组无线业务无线通信模块和无线通信天线。传感射频识别标签贴于货物包装上，随货物一起置于运输车内，该传感射频识别标签不但可以对该货物进行标识，还能采集货物的环境参数。每辆运输车内都有一个或多个车载射频识别阅读器，车载射频识别阅读器通过射频的方式读取传感射频识别标签的标识信息和传感信息，车载射频识别阅读器通过通用分组无线业务无线通信与数据中心建立连接并将传感射频识别标签的标识信息和传感信息发送给数据中心，数据中心通过数据中心软件实现对数据的显示、记录和分析，并对超越安全范围的货物进行报警。As shown in Figure 1, the vehicle-mounted RFID reader in the transportation monitoring system of the sensing radio frequency identification technology and the GPRS technology is connected to the sensing radio frequency identification tag through radio frequency, and the vehicle-mounted radio frequency identification reader The communication is connected with the data center, and the vehicle-mounted radio frequency identification reader includes a reader antenna, a radio frequency identification reader, a general packet radio service wireless communication module and a wireless communication antenna connected in sequence. The sensor radio frequency identification label is affixed on the package of the goods and placed in the transport vehicle together with the goods. The sensor radio frequency identification label can not only identify the goods, but also collect the environmental parameters of the goods. There are one or more vehicle-mounted RFID readers in each transport vehicle. The vehicle-mounted RFID readers read the identification information and sensing information of the sensor RFID tags through radio frequency. The business wireless communication establishes a connection with the data center and sends the identification information and sensing information of the sensor radio frequency identification tag to the data center. Make an alarm.
如图2所示，传感射频识别标签的内部模块连接关系为第一控制器分别与传感器、第一存储器、第一控制器外围电路、电池与第一射频模块相连接，第一射频模块与第一射频外围电路、匹配网络相连接，匹配网络与标签天线相连接。在该传感射频识别标签中，采用纽扣电池CR2032作为电源模块，采用16位低功耗单片机MSP430F2012作为第一控制器，采用25LC640作为第一存储器，采用温度传感芯片DS18B20作为传感器，采用NORDIC公司的ISM射频芯片nRF24L01作为第一射频模块。为使该传感射频识别标签小型化，选用贴片封装的芯片和器件，设计小型化的PCB板，采用小型化的标签天线。同时，采用低功耗的器件和程序设计方法，以延长标签的使用寿命。As shown in Figure 2, the connection relationship of the internal modules of the sensor radio frequency identification tag is that the first controller is connected with the sensor, the first memory, the peripheral circuit of the first controller, the battery and the first radio frequency module, and the first radio frequency module is connected with the first radio frequency module. The first radio frequency peripheral circuit is connected with the matching network, and the matching network is connected with the tag antenna. In this sensor radio frequency identification tag, the button battery CR2032 is used as the power module, the 16-bit low-power single-chip microcomputer MSP430F2012 is used as the first controller, the 25LC640 is used as the first memory, and the temperature sensor chip DS18B20 is used as the sensor. The ISM radio frequency chip nRF24L01 is used as the first radio frequency module. In order to miniaturize the sensor radio frequency identification tag, the chip and device packaged by the patch are selected, the miniaturized PCB board is designed, and the miniaturized tag antenna is adopted. At the same time, low-power devices and programming methods are used to extend the service life of the label.
如图3所示，射频识别阅读器的内部模块连接关系为第二控制器与第二控制器外围电路、第二存储器、输入模块、显示模块与第二射频模块相连接，第二射频模块与第二射频模块外围电路、功率放大模块和滤波放大模块相连接，定向耦合器与功率放大模块、滤波放大模块相连接。第二控制器采用高性能单片机MSP430F149，第二存储器采用25LC640，输入模块采用4个非自锁的按键，显示模块采用RT1602C，GPRS无线通信模块采用深圳宏电公司的H7710，第二射频模块采用和标签相同的射频芯片nRF24L01，功率放大模块、滤波放大模块和定向耦合器集成于射频芯片内部，阅读器天线采用微带天线阵列。As shown in Figure 3, the internal module connection relationship of the radio frequency identification reader is that the second controller is connected with the peripheral circuit of the second controller, the second memory, the input module, the display module and the second radio frequency module, and the second radio frequency module is connected with the second radio frequency module. The peripheral circuit of the second radio frequency module is connected with the power amplifier module and the filter amplifier module, and the directional coupler is connected with the power amplifier module and the filter amplifier module. The second controller adopts high-performance single-chip MSP430F149, the second memory adopts 25LC640, the input module adopts 4 non-self-locking keys, the display module adopts RT1602C, the GPRS wireless communication module adopts H7710 of Shenzhen Hongdian Company, and the second radio frequency module adopts and The radio frequency chip nRF24L01 with the same label, the power amplifier module, the filter amplifier module and the directional coupler are integrated inside the radio frequency chip, and the reader antenna adopts a microstrip antenna array.
如图4所示，数据中心的内部模块的连接关系为数据中心服务器与网络通信主机、数据库服务器和多个监控终端相连接，数据库服务器与网络通信主机相连接。网络通信主机实现与网络进行通信，数据库服务器实现数据的存储和查询，数据中心服务器实现数据的解析与处理等，并向各监控终端提供查询、显示等服务。数据中心监控软件系统功能模块如图5所示，监控软件通过通信接口程序与互联网通信，监控软件能够完成所有传感RFID标签ID信息和传感信息的显示、记录和报警。监控软件由通信控制模块、参数设置模块、状态显示和报警模块、实时曲线显示模块、历史曲线模块和数据库查询模块组成。通信控制模块通过控制通信接口程序实现相应服务的开启和关闭，使得各RFID阅读器终端的GPRS模块能连接到网络通信主机。参数设置模块允许监控人员对RFID阅读器和RFID标签进行参数设置以及预警值的设置。通信接口程序接收的数据首先进行数据接收处理和正确校验，并对数据源发送反馈包。根据数据的处理结果将通信的状态显示于状态显示与报警模块。校验正确的数据可直接供实时曲线显示模块使用来绘制实时参数曲线或保存于数据库中，供历史温度曲线显示模块和数据库查询模块使用。网络通信接口程序由网络通信主机实现，数据库由数据库服务器提供，监控软件功能由数据中心服务器向各监控终端提供，监控人员在监控终端进行操作。As shown in Figure 4, the connection relationship of the internal modules of the data center is that the data center server is connected with the network communication host, the database server and multiple monitoring terminals, and the database server is connected with the network communication host. The network communication host implements communication with the network, the database server implements data storage and query, and the data center server implements data analysis and processing, etc., and provides query, display and other services to each monitoring terminal. The functional modules of the data center monitoring software system are shown in Figure 5. The monitoring software communicates with the Internet through the communication interface program. The monitoring software can complete the display, recording and alarming of all sensing RFID tag ID information and sensing information. The monitoring software consists of a communication control module, a parameter setting module, a status display and alarm module, a real-time curve display module, a historical curve module and a database query module. The communication control module realizes opening and closing of corresponding services by controlling the communication interface program, so that the GPRS modules of each RFID reader terminal can be connected to the network communication host. The parameter setting module allows monitoring personnel to set parameters and early warning values for RFID readers and RFID tags. The data received by the communication interface program is firstly processed for data reception and correct verification, and sends a feedback packet to the data source. According to the data processing result, the communication status is displayed on the status display and alarm module. The correct data can be directly used by the real-time curve display module to draw real-time parameter curves or stored in the database for use by the historical temperature curve display module and the database query module. The network communication interface program is implemented by the network communication host, the database is provided by the database server, the monitoring software function is provided by the data center server to each monitoring terminal, and the monitoring personnel operate on the monitoring terminal.
传感射频识别技术和通用分组无线业务技术的运输监测方法中的传感射频识别标签通过内部传感器采集运输货物传感信息并存储于传感射频识别标签内部，车载射频识别阅读器通过射频识别的方法读取传感射频标识标签内部存储的标识信息和传感信息，车载射频识别阅读器将读取的射频识别标识信息和传感信息通过通用分组无线业务的方式发送到数据中心，数据中心对数据进行显示、记录和报警，传感射频识别标签和车载射频识别阅读器通过内部的存储器对数据进行双重缓存，获得完整的运输全过程监测数据。In the transportation monitoring method of sensing radio frequency identification technology and general packet wireless service technology, the sensing radio frequency identification tag collects the sensing information of the transported goods through the internal sensor and stores it inside the sensing radio frequency identification tag, and the vehicle radio frequency identification reader passes the radio frequency identification The method reads the identification information and sensing information stored inside the sensing radio frequency identification tag, and the vehicle radio frequency identification reader sends the read radio frequency identification identification information and sensing information to the data center through the general packet wireless service, and the data center The data is displayed, recorded and alarmed. The sensor RFID tag and the vehicle RFID reader double cache the data through the internal memory to obtain complete monitoring data during the entire transportation process.
所述的双重缓存方法为：传感射频识别标签在采集到传感信息后，暂时将传感数据存储在内部存储空间中，再将传感信息与标识信息一起通过射频发送给车载射频识别阅读器，发送成功则将传感数据从内部存储空间删除，车载射频识别阅读器在读到传感射频识别标签的标识信息及其传感信息后，暂时将传感射频识别标签的标识信息及其传感信息存储在内部存储空间中，再将传感射频识别标签的标识信息及其传感信息通过通用分组无线业务发送给数据中心，发送成功则将传感射频识别标签的标识信息及其传感信息从内部存储空间删除。双重缓存方法保证了运输过程中传感射频识别标签在不能被车载射频识别阅读器正常读取和车载射频识别阅读器不能正常与数据中心通信的情况下数据的完整性。传感射频识别标签的工作流程如图6所示，当传感射频识别标签被车载阅读器的读取信号激活后则采集货物的温度参数并存储于传感射频识别标签内部的存储器上，然后根据存储器上存储数据的先后顺序发送传感射频识别标签的标识信息和传感信息，发送成功则将数据从存储器上删除，然后进入休眠状态，发送失败则直接进入休眠状态。车载射频识别阅读器的工作流程如图7所示，车载射频识别阅读器根据设定的时间间隔定时读取运输车内传感射频识别标签的标识信息和传感信息并存储于车载射频识别阅读器内部的存储器上，然后根据存储器上存储数据的先后顺序通过通用分组无线业务无线通信发送给数据中心，发送成功则将数据从存储器上删除。The double buffering method is as follows: after the sensing radio frequency identification tag collects the sensing information, it temporarily stores the sensing data in the internal storage space, and then sends the sensing information and identification information to the vehicle radio frequency identification for reading through radio frequency. If the transmission is successful, the sensing data will be deleted from the internal storage space. After the vehicle-mounted RFID reader reads the identification information of the sensing RFID tag and its sensing information, it will temporarily delete the identification information of the sensing RFID tag and its sensing information. The sensing information is stored in the internal storage space, and then the identification information of the sensing RFID tag and its sensing information are sent to the data center through the general packet wireless service. Information is deleted from internal storage. The double buffering method ensures the data integrity of the sensor RFID tag during transportation when it cannot be read normally by the vehicle-mounted RFID reader and the vehicle-mounted RFID reader cannot normally communicate with the data center. The workflow of the sensing radio frequency identification tag is shown in Figure 6. When the sensing radio frequency identification tag is activated by the reading signal of the vehicle reader, the temperature parameters of the goods are collected and stored in the internal memory of the sensing radio frequency identification tag, and then Send the identification information and sensing information of the sensing radio frequency identification tag according to the order of the data stored in the memory. If the transmission is successful, the data will be deleted from the memory, and then enter the dormant state. If the transmission fails, it will directly enter the dormant state. The workflow of the vehicle-mounted RFID reader is shown in Figure 7. The vehicle-mounted RFID reader regularly reads the identification information and sensing information of the sensor RFID tags in the transport vehicle according to the set time interval and stores them in the vehicle-mounted RFID reader. Then, according to the order of the data stored in the memory, it sends it to the data center through GPRS wireless communication. If the transmission is successful, the data is deleted from the memory.
上述方案只是本发明的一种具体实施方式，在符合本发明的特征下可以有多种不同应用方案，但这些应用方案只要符合本发明的特征，都应属于本发明的权利保护范围。The above scheme is only a specific embodiment of the present invention, and there can be many different application schemes in accordance with the characteristics of the present invention, but as long as these application schemes conform to the characteristics of the present invention, they should all belong to the protection scope of the present invention.
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101958041A (en)* | 2010-09-28 | 2011-01-26 | 北京经纬恒润科技有限公司 | System and method for monitoring transportation environment |
| CN102354408A (en)* | 2011-09-22 | 2012-02-15 | 东北大学 | Handheld regional vehicle monitoring device based on radio frequency identification (RFID) technology |
| CN103049838A (en)* | 2012-12-26 | 2013-04-17 | 华中科技大学 | Finite state machine-based parcel transporting state monitoring method |
| CN103136577A (en)* | 2013-03-22 | 2013-06-05 | 哈尔滨鑫海城科技发展有限公司 | Directional remote active electronic tag and reader thereof |
| CN103218588A (en)* | 2013-04-08 | 2013-07-24 | 常州市莱特信息科技有限公司 | Radio frequency identification device (RFID) of transport vehicle |
| CN103771074A (en)* | 2014-01-24 | 2014-05-07 | 南通耀华机电有限公司 | Domestic remote-control transporting device |
| CN104318410A (en)* | 2014-09-03 | 2015-01-28 | 蒋睿 | Logistics in-transit real-time monitoring system based on Internet of Things |
| CN104780387A (en)* | 2014-01-13 | 2015-07-15 | 北京兆维电子(集团)有限责任公司 | Video transmission method and video transmission system |
| CN105678352A (en)* | 2015-12-31 | 2016-06-15 | 电子科技大学 | Long distance high speed data transmission system based on ultrahigh frequency RFID |
| WO2017133696A1 (en)* | 2016-02-06 | 2017-08-10 | 上海鸿研物流技术有限公司 | Recyclable logistics apparatus, sensor assembling and disassembling methods thereof, and information acquisition method |
| CN109145659A (en)* | 2018-08-21 | 2019-01-04 | 深圳前海齐源信息技术有限公司 | A kind of intelligent data analysis system and method based on radio frequency discrimination RFID technology |
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| CN101958041A (en)* | 2010-09-28 | 2011-01-26 | 北京经纬恒润科技有限公司 | System and method for monitoring transportation environment |
| CN101958041B (en)* | 2010-09-28 | 2012-07-18 | 北京经纬恒润科技有限公司 | System and method for monitoring transportation environment |
| CN102354408A (en)* | 2011-09-22 | 2012-02-15 | 东北大学 | Handheld regional vehicle monitoring device based on radio frequency identification (RFID) technology |
| CN103049838A (en)* | 2012-12-26 | 2013-04-17 | 华中科技大学 | Finite state machine-based parcel transporting state monitoring method |
| CN103136577A (en)* | 2013-03-22 | 2013-06-05 | 哈尔滨鑫海城科技发展有限公司 | Directional remote active electronic tag and reader thereof |
| CN103218588A (en)* | 2013-04-08 | 2013-07-24 | 常州市莱特信息科技有限公司 | Radio frequency identification device (RFID) of transport vehicle |
| CN104780387A (en)* | 2014-01-13 | 2015-07-15 | 北京兆维电子(集团)有限责任公司 | Video transmission method and video transmission system |
| CN104780387B (en)* | 2014-01-13 | 2018-05-01 | 北京兆维电子(集团)有限责任公司 | A kind of video transmission method and system |
| CN103771074A (en)* | 2014-01-24 | 2014-05-07 | 南通耀华机电有限公司 | Domestic remote-control transporting device |
| CN104318410A (en)* | 2014-09-03 | 2015-01-28 | 蒋睿 | Logistics in-transit real-time monitoring system based on Internet of Things |
| CN105678352A (en)* | 2015-12-31 | 2016-06-15 | 电子科技大学 | Long distance high speed data transmission system based on ultrahigh frequency RFID |
| WO2017133696A1 (en)* | 2016-02-06 | 2017-08-10 | 上海鸿研物流技术有限公司 | Recyclable logistics apparatus, sensor assembling and disassembling methods thereof, and information acquisition method |
| CN109145659A (en)* | 2018-08-21 | 2019-01-04 | 深圳前海齐源信息技术有限公司 | A kind of intelligent data analysis system and method based on radio frequency discrimination RFID technology |
| CN109919548A (en)* | 2019-03-06 | 2019-06-21 | 花齐 | Logistics information based on electric network monitors system |
| CN113850967A (en)* | 2021-10-18 | 2021-12-28 | 江苏立源自动化工程有限公司 | Railway wagon operation safety and fault early warning system based on coal loading system |
| CN113850967B (en)* | 2021-10-18 | 2022-05-27 | 江苏立源自动化工程有限公司 | Railway freight car operation safety and fault early warning system based on coal loading system |
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