CN101441709A - Multiple-frequency band RFID intelligent read-write device and control method thereof - Google Patents
Multiple-frequency band RFID intelligent read-write device and control method thereof Download PDFInfo
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- CN101441709A CN101441709A CNA2008102301544A CN200810230154A CN101441709A CN 101441709 A CN101441709 A CN 101441709A CN A2008102301544 A CNA2008102301544 A CN A2008102301544A CN 200810230154 A CN200810230154 A CN 200810230154A CN 101441709 A CN101441709 A CN 101441709A
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Abstract
The invention relates to a multi-band RFID intelligent reader-writer and a method for controlling the same. The reader-writer comprises a shell, a main board and an externally-connected antenna. The main board comprises a micro-processor, a memory, a power management circuit and a bus driver. The micro-processor provides a memory control interface circuit, a display control interface circuit and an input/output control interface circuit. The shell is provided with a display and an input/output part. The main board is provided with quad-band radio frequency identification module which is connected with the micro-processor by electrical signal through a serial port expansion controller. A keyboard connected with the input/output control interface circuit is provided with a switching key of the radio frequency identification module. The radio frequency identification module with four different bands is adopted to achieve that a machine achieves the multiple functions, and the bands can be switched at any time when identified. so the reader-writer is convenient to use, saves manpower, reduces cost and shortens time for identifying and reading tags of different bands.
Description
Technical field
The invention belongs to information input and output terminal console, relate in particular to a kind of multiple-frequency band RFID intelligent read-write device and control method, be applied to the collection and the processing of data message based on wireless network.
Background technology
Perfect day by day along with the develop rapidly of wireless communication technology and the network facilities, it is particularly important that the Computer Automatic Recognition input technology seems.Bar code and radio-frequency technique have been become the main flow of current automatic identification technology by people's understanding technology the highest with acceptance level.Since its high input speed, the accuracy height, cost is low, good reliability, thereby development is very rapid.It has not only enlarged the computer application scope, and the application that makes computer technology and various management softwares is no matter on the degree of depth, or new development has all been arranged on the range, lays a good foundation for realizing data automatic collecting and electronic data interchange (EDI).Domestic many enterprises are equipped with information handling system and carry out the identification of article, tracking and management by adhere to various frequency range electronic tags on article.Multiple-frequency band RFID intelligent read-write device be exactly to the article with various frequency range radio electronic labels sign discern, automatic data acquisition work such as demonstration, typing, inquiry and modification, realize real-time collection and site disposal to information such as material, order, personnel, equipment.Like this, both capturing service data in real time can be carried out handling than complicated service in the scene again, and the possibility of avoiding manual entry to make mistakes is increased work efficiency.
Summary of the invention
Provide a kind of multiple-frequency band RFID intelligent read-write device and control method for solving the problems of the technologies described above, purpose is to make equipment integration radio communication and data acquisition technology, and multiple wired and wireless external expansion interface is provided as required, to be fit to commercial production, commercial logistics and each link operation needs of Item Management; Can when discerning, switch at any time, easy to use, save manpower, reduce cost, shortened the different frequency range tag readable degree time.
Multiple-frequency band RFID intelligent read-write device of the present invention, it is made up of shell, mainboard, mainboard comprises microprocessor, storer, electric power management circuit, bus driver, microprocessor provides storage control interface circuit, DCI circuit, I/O control interface circuit, and display, I/O portion are housed on the shell; Storer is connected with the microprocessor electric signal respectively by the I/O control interface circuit by DCI circuit, I/O portion by storage control interface circuit, display; Mainboard is provided with the radio frequency identification module of four frequency ranges, is connected with the microprocessor electric signal by the serial ports expansion controller, and the keyboard that is connected with the I/O control interface circuit is provided with radio frequency identification module switch key.
Described display is the liquid crystal display display.
Described I/O portion comprises keyboard, the display that is connected with the microprocessor electric signal by the I/O control interface circuit.
Described radio frequency identification module is the electronic tag of read-write ISO-15693 and ISO-144431 standard.
It is optional that described shell is provided with infrared interface, SD interface, USB interface; Infrared interface is connected with the microprocessor electric signal by the infrared interface circuit, the SD interface is connected with little processing electric signal by the storage control interface circuit, USB interface is connected with the microprocessor electric signal by USB controller, bus driver, and described USB controller is positioned on the mainboard.
It is optional that described shell is provided with bluetooth serial ports, GPRS interface, 802.11 interfaces, bluetooth serial ports is connected with the microprocessor electric signal by the bluetooth serial ports circuit, the GPRS interface is connected with the microprocessor electric signal by the GPRS circuit, and 802.11 interfaces are connected with the microprocessor electric signal by 802.11 circuit.
The multiple-frequency band RFID intelligent read-write device control method is characterized in that comprising the steps: the label of identification is discerned; Radio frequency identification module switch key in the time of can not discerning on the keypad, by microprocessor the duty of the radio frequency identification module of different frequency range is switched, make with the radio frequency identification module of label similar frequency bands and carry out work, can discern the back label is carried out read-write operation, carry out the identification of next label again.
Characteristics of the present invention and effect are as follows:
The read-write that the present invention finishes the less radio-frequency data message handle and corresponding information management function integrated.Specific as follows:
1, can customize as required and support infrared, bluetooth, GPRS/GSM various wireless communication access waies such as (General Packet RadioService/Global System for Mobile Communication);
2, the electronic tag of read-write ISO-15693 of radio frequency identification module and ISO-144431 standard;
3, support the keyboard combination input mode;
4, support Chinese display mode;
5, adopt built-in Linux operating system;
6, provide standard interface, comprising: SD (Secure Digital) card, serial ports, RS485, USB (Universal Serial Bus) interface and infrared interface are optional.
And the present invention realizes a tractor serves several purposes owing to adopt the radio frequency identification module of four different frequency ranges, can switch at any time when discerning, and is easy to use, saves manpower, reduces cost, and shortened the different frequency range tag readable degree time.
The present invention adopts modular design in hardware circuit design, can carry out the customization of module according to the actual requirements, thereby reduce cost; Outside multiple interfaces is optional supports to have extensibility by various peripheral hardwares, can make up independently management information system, also is applicable to the realization of the distributed system of client/server, multipoint cooperative.Can distinguish and write operation the radio-frequency card data.Owing to itself adopted technique for embedded systems, make desk-top data acquisition unit itself have the ability of data processing, for the secondary development of this system provides development platform.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a workflow diagram of the present invention.
1, microprocessor; 2, storer; 3, electric power management circuit; 4, bus driver; 5, storage control interface circuit; 6, DCI circuit; 7, I/O control interface circuit; 8, display; 9, universal serial port circuit; 11, radio frequency identification module; 12, keyboard; 13, infrared interface; 14, SD interface; 15, USB interface; 16, bluetooth serial ports; 17, GPRS interface; 19,802.11 interfaces; 20, serial ports expansion controller; 21, RS232 serial ports; 22, RS485 interface.
Embodiment
The present invention be one based on PDA (Personal Digital Assistant) technology, have open software and hardware architecture, and can support the data acquisition specialized equipment of multiple wireless telecommunications access way.It can be by external various hardware modules, for each link in the practical application provides omnibearing efficient information processing service.
Functional structure of the present invention as shown in Figure 1, this terminal device has been selected suitable embedded microprocessor for use, and by improving technology, the high hardware circuit of design integrated level, each frequency range radio frequency read head and wireless telecommunications system are integrated on this platform, provide power supply support and abundant standard interface, the collaborative work of support terminal and multiple peripheral hardware.Multiple-frequency band RFID intelligent read-write device, form by shell, mainboard, mainboard comprises microprocessor 1, storer 2, electric power management circuit 3, bus driver 4, I/O portion, microprocessor 1 provides storage control interface circuit 5, DCI circuit 6, I/O control interface circuit 7, and display 8, I/O portion are housed on the shell; Storer 3 is connected with microprocessor 1 electric signal by I/O control interface circuit 7 by DCI circuit 6, I/O portion by storage control interface circuit 5, display 8; Mainboard is provided with the radio frequency identification module 11 of four frequency ranges, is connected with microprocessor 1 electric signal by serial ports expansion controller 20, and the keyboard that is connected with I/O control interface circuit 7 is provided with radio frequency identification module switch key.The radio frequency identification module of four frequency ranges is respectively 125KHz, 134.2KHz, 13.56MHz and 915MHz frequency range radio frequency identification module.
Power management can adopt direct current supply also to block the electric supply system of employing based on reliable lithium battery.In order to guarantee the long-time effectively operation of system, power management has partly been carried out detailed design, the present invention has carried out the planning of system to the power consumption of each hardware module from hardware circuit, adopt dormancy or the mode of closing to reach purpose of energy saving to long-time untapped module.
Described display 8 is a liquid crystal display; Described I/O portion comprises keyboard 12, the display 8 that is connected with microprocessor 1 electric signal by I/O control interface circuit 7.
Radio frequency identification module 11 has following recognition mode to select, the identified region of low frequency 125KHz, 134.2KHz high frequency 13.56MHz and ultrahigh frequency 915MHz frequency range is positioned at multiple-frequency band RFID intelligent read-write device top, and the switching of multiple frequency adopts the switch key of multiple-frequency band RFID intelligent read-write device I/O part to realize.The read-write 125KHz of radio frequency identification module, 134.2KHz, 13.56MHz and 915MHz meet the electronic tag of ISO-15693 and ISO-144431 standard.
The present invention is in conjunction with the specific (special) requirements of using, infrared interface 13 is provided, general-purpose serial bus USB (Universal Serial Bus) interface 14, global function RS232 serial ports 21 is optional, and can expand RS485 interface 22, expanded a network interface by ethernet controller chip RTL8019, can articulate a built-in MODEM by RS232 interface 21, perhaps expand a GPRS interface 17, and secure digital SD (Secure Digital) card interface circuit etc., the type and the quantity of interface have been increased, improved the access capability of equipment, the external connection module main to part carries out circuit analysis, in the embedded motherboard circuit, improves the incorporate process of terminal console.
It is optional that described shell is provided with infrared interface 13, SD interface 14, usb 15; Infrared interface 13 is connected with microprocessor 1 electric signal by the infrared interface circuit, SD interface 14 is connected with microprocessor 1 electric signal by storage control interface circuit 5, usb 15 is connected with microprocessor 1 electric signal by USB controller, bus driver 4, described USB controller is positioned on the mainboard, and described infrared interface circuit, storer control interface circuit are provided by microprocessor 1.
Described shell is provided with bluetooth serial ports, GPRS, 802.11, bluetooth serial ports is connected with the microprocessor electric signal by the bluetooth serial ports circuit, GPRS is connected with the microprocessor electric signal by the GPRS circuit, 802.11 be connected with the microprocessor electric signal by 802.11 circuit, described bluetooth serial ports circuit, GPRS circuit, 802.11 circuit are provided by microprocessor.
The optional infrared interface circuit of the present invention, USB controller, bluetooth serial ports circuit, GPRS circuit, 802.11 circuit are referred to as universal serial port circuit 9.
Multiple-frequency band RFID intelligent read-write device control method of the present invention as shown in Figure 2 comprises the steps: the label of identification is discerned; Radio frequency identification module switch key in the time of can not discerning on the keypad, by microprocessor the duty of the radio frequency identification module of different frequency range is switched, make with the radio frequency identification module of label similar frequency bands and carry out work, can discern the back label is carried out read-write operation, carry out the identification of next label again.
The present invention is a kind of easy-to-use desk-top data acquisition unit terminal flexibly that adopts the embedded technology design.Optional abundant communication interface can satisfy the function needs of various application systems.These series of products have high performance data-handling capacity, can satisfy various applications, comprise the application of logistics, industry, commerce, especially agriculture animal husbandry management, the built-in wireless module of equipment particularly, guarantee under radio network conditions, realize the wireless communication applications and the positioning function thereof of various wide areas and local, provide application solution more flexibly for the user thus.In addition, the external connection module that the present invention can support is also abundanter, and on the one hand, application apparatus mostly adopts standard interface in the market, and is integrated easy; On the other hand, interface type that terminal provides and quantity are also abundanter, and therefore, the present invention can insert several data collection and messaging device simultaneously.
The present invention communicates by embedded wireless module and satellite and wireless base station GPRS, central server then communicates by cable network and central database and wireless base station GPRS, like this, by means of the wired connection of central server and wireless base station GPRS, can realize the real-time, interactive of data message between the present invention and the central database.Simultaneously, central server, control desk, customer service system and other operation management systems can be inquired about, increase, delete and revise the management information system information in the central database by network; The present invention is then by regularly submitting to request mode in time to obtain increase, deletion or amended information to central server.
Claims (7)
1, multiple-frequency band RFID intelligent read-write device, it is characterized in that it is made up of shell, mainboard, mainboard comprises microprocessor, storer, electric power management circuit, bus driver, microprocessor provides storage control interface circuit, DCI circuit, I/O control interface circuit, and display, I/O portion are housed on the shell; Storer is connected with the microprocessor electric signal respectively by the I/O control interface circuit by DCI circuit, I/O portion by storage control interface circuit, display; Mainboard is provided with the radio frequency identification module of four frequency ranges, is connected with the microprocessor electric signal by the serial ports expansion controller, and the keyboard that is connected with the I/O control interface circuit is provided with radio frequency identification module switch key.
2, multiple-frequency band RFID intelligent read-write device according to claim 1 is characterized in that described display is the liquid crystal display display.
3, multiple-frequency band RFID intelligent read-write device according to claim 1 is characterized in that described I/O portion comprises keyboard, the display that is connected with the microprocessor electric signal by the I/O control interface circuit.
4, multiple-frequency band RFID intelligent read-write device according to claim 1 is characterized in that described radio frequency identification module is the electronic tag of read-write ISO-15693 and ISO-144431 standard.
5, multiple-frequency band RFID intelligent read-write device according to claim 1, it is optional to it is characterized in that described shell is provided with infrared interface, SD interface, USB interface; Infrared interface is connected with the microprocessor electric signal by the infrared interface circuit, the SD interface is connected with little processing electric signal by the storage control interface circuit, USB interface is connected with the microprocessor electric signal by USB controller, bus driver, and described USB controller is positioned on the mainboard.
6, the described multiple-frequency band RFID intelligent read-write device of claim 1, it is optional to it is characterized in that described shell is provided with bluetooth serial ports, GPRS interface, 802.11 interfaces, bluetooth serial ports is connected with the microprocessor electric signal by the bluetooth serial ports circuit, the GPRS interface is connected with the microprocessor electric signal by the GPRS circuit, and 802.11 interfaces are connected with the microprocessor electric signal by 802.11 circuit.
7, multiple-frequency band RFID intelligent read-write device control method is characterized in that comprising the steps: the label of identification is discerned; Radio frequency identification module switch key in the time of can not discerning on the keypad, by microprocessor the duty of the radio frequency identification module of different frequency range is switched, make with the radio frequency identification module of label similar frequency bands and carry out work, can discern the back label is carried out read-write operation, carry out the identification of next label again.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008102301544A CN101441709A (en) | 2008-12-25 | 2008-12-25 | Multiple-frequency band RFID intelligent read-write device and control method thereof |
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| CNA2008102301544A CN101441709A (en) | 2008-12-25 | 2008-12-25 | Multiple-frequency band RFID intelligent read-write device and control method thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102314583A (en) * | 2010-07-07 | 2012-01-11 | 胡伟 | Global system for mobile communication/general packet radio service (GSM/GPRS)-based embedded radio frequency identification (RFID) card reader |
| CN102708387A (en) * | 2012-04-19 | 2012-10-03 | 上海天臣防伪技术股份有限公司 | Multi-band RFID (radio-frequency identification) reader-writer and reading and writing method thereof |
| CN103679223A (en) * | 2012-09-21 | 2014-03-26 | 中兴通讯股份有限公司 | RFID tag issuing method and device |
| CN103728925A (en) * | 2012-10-10 | 2014-04-16 | 苏州数伦科技有限公司 | Controller of RF switch circuit and control system of RF switch circuit network |
| CN104112108A (en) * | 2014-06-30 | 2014-10-22 | 广西瀚特信息产业股份有限公司 | Multi-frequency band RFID reading device and method |
| CN106295729A (en) * | 2015-05-26 | 2017-01-04 | 广东华大互联网股份有限公司 | A kind of read write line with bluetooth communication |
| CN107729784A (en) * | 2017-09-27 | 2018-02-23 | 北京市振隆科技股份有限公司 | Multi-band frequency multi-protocol power adjustable RFID reader and its reading/writing method |
| CN110632887A (en) * | 2019-09-04 | 2019-12-31 | 一汽解放汽车有限公司 | Multi-frequency mixed wireless data read-write transmission device for heavy diesel engine machining production line |
| CN110633586A (en) * | 2018-06-21 | 2019-12-31 | 杭州德创能源设备有限公司 | Electroplating hanger inquiry system with RFID (radio frequency identification) technology |
-
2008
- 2008-12-25 CN CNA2008102301544A patent/CN101441709A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102314583A (en) * | 2010-07-07 | 2012-01-11 | 胡伟 | Global system for mobile communication/general packet radio service (GSM/GPRS)-based embedded radio frequency identification (RFID) card reader |
| CN102708387A (en) * | 2012-04-19 | 2012-10-03 | 上海天臣防伪技术股份有限公司 | Multi-band RFID (radio-frequency identification) reader-writer and reading and writing method thereof |
| CN103679223A (en) * | 2012-09-21 | 2014-03-26 | 中兴通讯股份有限公司 | RFID tag issuing method and device |
| CN103728925A (en) * | 2012-10-10 | 2014-04-16 | 苏州数伦科技有限公司 | Controller of RF switch circuit and control system of RF switch circuit network |
| CN104112108A (en) * | 2014-06-30 | 2014-10-22 | 广西瀚特信息产业股份有限公司 | Multi-frequency band RFID reading device and method |
| CN106295729A (en) * | 2015-05-26 | 2017-01-04 | 广东华大互联网股份有限公司 | A kind of read write line with bluetooth communication |
| CN107729784A (en) * | 2017-09-27 | 2018-02-23 | 北京市振隆科技股份有限公司 | Multi-band frequency multi-protocol power adjustable RFID reader and its reading/writing method |
| CN110633586A (en) * | 2018-06-21 | 2019-12-31 | 杭州德创能源设备有限公司 | Electroplating hanger inquiry system with RFID (radio frequency identification) technology |
| CN110632887A (en) * | 2019-09-04 | 2019-12-31 | 一汽解放汽车有限公司 | Multi-frequency mixed wireless data read-write transmission device for heavy diesel engine machining production line |
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Open date: 20090527 |