CN202217297U - Radio frequency identification reading-writing device - Google Patents
Radio frequency identification reading-writing device Download PDFInfo
- Publication number
- CN202217297U CN202217297U CN2011203278913U CN201120327891U CN202217297U CN 202217297 U CN202217297 U CN 202217297U CN 2011203278913 U CN2011203278913 U CN 2011203278913U CN 201120327891 U CN201120327891 U CN 201120327891U CN 202217297 U CN202217297 U CN 202217297U
- Authority
- CN
- China
- Prior art keywords
- module
- radio frequency
- frequency identification
- main control
- write device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Near-Field Transmission Systems (AREA)
Abstract
The utility model relates to a radio frequency identification reading-writing device which comprises a main control module, a reader-writer module which is used for receiving wireless signals emitted by an electronic tag and transmitting obtained data to the main control module, an exciter module which can send out electronic tag activating signals according to set time under the control of the main control module, and a communication module which is connected with the man control module and is used for carrying out communication with the outside of the radio frequency identification reading-writing device. The radio frequency identification reading-writing device provided by the embodiment of the utility model has the following beneficial effects: as a reader-writer and an exciter in the existing radio frequency identification device (RFID) system are combined together, and one same main control module is used for controlling, the exciter works in a discontinuous way under the control of the main control module, and simultaneously the normal use of the exciter can not be influenced. Therefore, the radio frequency identification reading-writing device is lower in cost, simpler in installation, and easier to control and manage and lower in cost after being installed.
Description
Technical field
The utility model relates to RF identification (RFID) field, more particularly, relates to a kind of radio frequency identification read-write device.
Background technology
In existing RF identification (RFID) system; Usually read write line and driver are made two kinds of autonomous devices; Its principle of work is: when active electronic tag entering driver identification range, driver activates active label, and label transmits data to read write line.But in the prior art, these two kinds of devices of driver and read write line need be installed respectively, safeguard and manage.And above-mentioned driver and read write line be as end device, and the region of its distribution is wide, quantity is more.This has further brought the problem of installation, maintenance and management.So in the prior art, there is the problem that installation cost is higher, structure is complicated, device is installed, the maintenance management cost is bigger in rfid system.
The utility model content
The technical matters that the utility model will solve is; The defective that said apparatus cost to prior art is higher, structure is complicated, device is installed, the maintenance management cost is bigger provides that a kind of installation cost is low, simple in structure, device is installed, the less radio frequency identification read-write device of management maintenance cost.
The utility model solves the technical scheme that its technical matters adopted: construct a kind of radio frequency identification read-write device, comprise main control module, be used to receive the wireless signal that electronic tag sends and will obtain data transmission being connected and being used for the communication module with said radio frequency identification read-write device external communication according to the driver module of setting-up time transmission electronic tag activation signal and with said main control module to the reader/writer module of said main control module, under said master control module controls.
In the described radio frequency identification read-write device of the utility model; Said main control module comprises USB and spi bus; Said reader/writer module is connected with said main control module through said spi bus, and said driver module is connected with said main control module through said USB.
In the described radio frequency identification read-write device of the utility model, said communication module comprises the serial communication interface GPRS unit that be connected with said main control module, that be used to receive the next steering order of external transmission through said main control module; Said communication module also comprises with said main control module and being connected, be used to connect external server and transmit the Ethernet interface unit of the data that said reader/writer module receives.
In the described radio frequency identification read-write device of the utility model; Said communication module comprises also and being used for and outside RS232 unit and the RS485 unit that is connected and transmits data of said radio frequency identification read-write device that said RS232 unit is connected with said main control module through electronic switch with the RS485 unit.
In the described radio frequency identification read-write device of the utility model, said driver module frequency of operation is 123KHz, and said read write line frequency of operation is 433MHz.
In the described radio frequency identification read-write device of the utility model, said driver module, reader/writer module and GPRS unit adopt antenna transmission separately respectively or receive wireless signal.
In the described radio frequency identification read-write device of the utility model, also comprise the housing that is used for ccontaining each module; Said housing comprises two accommodation spaces in top and bottom, is provided with metal shield member between said top and the bottom.
In the described radio frequency identification read-write device of the utility model, said reader/writer module and GPRS unit are arranged on the top accommodation space of said radio frequency identification read-write device, are provided with metal shielding board between said reader/writer module and the GPRS unit.
In the described radio frequency identification read-write device of the utility model, the antenna of said reader/writer module and GPRS unit is separately positioned on the diverse location at the outer top of housing of said radio frequency identification read-write device.
In the described radio frequency identification read-write device of the utility model, said driver module is arranged on the bottom accommodation space of said radio frequency identification read-write device, and the antenna of said driver module is arranged on outside the said housing.
Implement the radio frequency identification read-write device of the utility model; Has following beneficial effect: because the read write line and the driver that will have now in the rfid system combine; Use same main control module to control; Make and driver discontinuous operation under the control of main control module do not influence the normal use of driver simultaneously.This makes that this radio frequency identification module installation cost is lower, it is comparatively simple to install, and control after the installation and management are also comparatively simple, and cost is lower.
Description of drawings
Fig. 1 is the structural representation of the utility model radio frequency identification read-write device embodiment;
Fig. 2 is the workflow diagram of read-write equipment among the said embodiment;
Fig. 3 is that read-write equipment is connected synoptic diagram with upper computer outside among the said embodiment;
Fig. 4 is the position view of read-write equipment in rfid system among the said embodiment.
Embodiment
To combine accompanying drawing that the utility model embodiment is described further below.
As shown in Figure 1, in the radio frequency identification read-write device embodiment of the utility model, this radio frequency identification read-write device comprises main control module 1, reader/writer module 2, driver module 3 and communication module 4 (the frame of broken lines part among Fig. 1).Wherein, Reader/writer module 2, driver module 3 and communication module 4 are connected on the main control module 1, main control module 1 be used to control control that the work, receiving trap outside (host computer of connection or server) of whole device sends or configuration signal and data upload that the electronic tag that receives is sent to above-mentioned host computer or server; Driver module 3 is used under the control of main control module 1, sending activation signal, makes the electronic tag that enters in its reach be activated; Reader/writer module 2 is same under the control of main control module 1, and the electronic tag that has activated is transmitted control signal or instructs and receive the data that these electronic tags that are activated send out; 4 of communication modules are used to receive outside control or configuration signal, make this read-and-write device work as requested and data forwarding that the electronic tag that receives is sent to above-mentioned host computer or the server that is connected on this device.In the present embodiment, main control module 1 is a microcontroller, and it comprises USB and spi bus, and reader/writer module 2 is connected with main control module 1 through the spi bus on the main control module 1, and driver module 3 is connected with main control module 1 through USB.
In the present embodiment, communication module 4 (part in the frame of broken lines among Fig. 1) comprises GPRS unit 41, Ethernet interface unit 42, RS232 unit 43, RS485 unit 44 and electronic switch 45; Wherein, GPRS unit 41 is connected with main control module 1 through the serial communication interface of main control module 1, be mainly used in to receive the steering order that external transmission is come, and the instruction that will receive is transferred to main control module; At present embodiment, these instructions are used to control the working time of driver module 3; Ethernet interface unit 42 is connected with main control module 1, is used to connect external server and transmit the data that reader/writer module 2 receives; These data will be stored or show after being transferred to server; RS232 unit 43 and RS485 unit 44 are used for being connected and transmitting data with the radio frequency identification read-write device is outside; RS232 unit 43 is connected with main control module 1 through electronic switch 45 with RS485 unit 44.The purpose that a plurality of data transfer paths are set is to make this device can be suitable for most application scenario.Under different environments for use, may need different connectivity ports to keep being connected of this device and outside (host computer or server or other installing).
In this real embodiment, driver module 3 frequency of operation are 123KHz, that is to say, driver module 3 is sent the pumping signal that frequency is the 123KHz wave band when work; And the frequency of operation of reader/writer module 2 is 433KHz; That is to say that signal and the reader/writer module 2 that electronic tag sends to reader/writer module 2 sends to instruction on the electronic tag all in the 433KHz frequency range.
In the present embodiment, this read-write equipment also comprises a housing that is used for each module (being included as the power module of other module for power supply); Housing comprises two accommodation spaces in top and bottom, is provided with metal shield member between top and the bottom.Be that enclosure interior is separated into two accommodation spaces by metal shield member, place different module respectively in these two accommodation spaces.Reader/writer module 2 and GPRS unit 41 are arranged on the top accommodation space of radio frequency identification read-write device, simultaneously, in this top accommodation space, also are provided with the another one metal shielding board with isolating between reader/writer module 2 and the GPRS unit 31.
In the present embodiment, driver module 3, reader/writer module 2 and GPRS unit 41 adopt antenna transmission separately respectively or receive wireless signal, and promptly each part mentioned above adopts different antennas to lower electromagnetic interference (EMI) each other respectively.Wherein, the antenna of reader/writer module 2 and GPRS unit 41 is separately positioned on outside the above-mentioned housing, lays respectively at the diverse location of above-mentioned case top; And driver module 3 is arranged on the bottom accommodation space of above-mentioned housing, and same, the antenna of driver module 3 is arranged on outside the above-mentioned housing.
In sum, in the present embodiment, GPRS adopts the unit embedded GPRS DTU module, only power supply and communication interface need be provided and be configured, and need not to develop control corresponding software, and volume little, integrated simple, working temperature is suitable.And driver module 3 links to each other with main control module 1 through serial ports, realizes functions such as interface control, tag parameter and order are provided with; Main control module 1 adopts pulse-length modulation (PWM) mode that the radio frequency output level of driver module 1 is regulated.
Reader/writer module 2, driver module 2 and GPRS unit 41 are all controlled through embedded software; The transmitting-receiving switching command that label transmitting-receiving gap adds the radio frequency unit (not shown) in the control reader/writer module 2 of reading at reader/writer module 2 uses a rf board to accomplish data transmit-receive.Main control module 1 adopts timer control driver module 3 to realize its step working methods, can avoid the device continuous firing and causes that equipment overheat, life-span reduce problem.Driver module 3 is set duty through receiving main control module 1 order of transmission regularly, thereby comes the active electron label with certain interval, and electronic tag just transmitting radio frequency signal is given reader/writer module 2.In the present embodiment, the electronic tag data packets for transmission is drawn together the customer rs site code, label ID, label lifetime counter value and anti-tamper alarm condition.
In addition, in the present embodiment, the aluminum alloy materials that above-mentioned housing is selected to have good thermal diffusivity is processed, and the integrated circuit board that thermal value is bigger as far as possible near metal shell so that heat radiation.System adopts dc power source adapter to supply power, so the system outside do not need ground protection, and internal system need not considered the power supply heat sinking problem yet.On working method,, control its intermittent work to reduce thermal value for the big driver module of thermal value.
What deserves to be mentioned is; In the present embodiment; The radio frequency part of this device comprises the driver module 3 of low frequency, the reader/writer module 2 and the GPRS unit 41 of high frequency, and for compact conformation and radiofrequency signal are not shielded by housing, it is outside that the radio-frequency antenna of these 3 modules all is installed in the system and device casing.In order to reduce the phase mutual interference as far as possible, on antenna arrangement, the reader/writer module 2 of employing high frequency and the antenna of GPRS unit 41 are arranged on the top of housing; And the driver module 3 of low frequency is at the layout type of housing bottom.On working method, through the control command of main control module 1, reader/writer module 2 is professional with GPRS module 41 time-division processing.In order to make reader/writer module 2 overcome the low-frequency disturbance of driver module 3, between reader/writer module 2 and driver module 3, use metallic shield to isolate, on the integrated circuit board of reader/writer module 2, increased power filter simultaneously to eliminate low-frequency disturbance.
Fig. 2 is the workflow diagram of this radio frequency identification read-write device in the present embodiment; As shown in Figure 2, at first, the main control module of device carries out initialization according to configuration parameter to reader/writer module and driver module; Then; The driver module activates label, and last, reader/writer module reads, writes and decode label.
Fig. 3 is in the present embodiment, the synoptic diagram that this device is connected with outside host computer.When concrete the application, this radio frequency identification read-write device needs be used with the relevant upper computer software of business, and upper computer software links to each other with all-in-one through the wire/wireless mode: wired mode comprises RS232,485 and netting twine; Wireless mode adopts GPRS, and is as shown in Figure 3.
Use wiredly when being connected with WIFI, this radio frequency identification read-write device is as server, and upper computer software is as client.When using GPRS to connect, host computer is as server, and this radio frequency identification read-write device is as client.The Connection Service device is used to monitor the connection request of client, and each Connection Service device can support a plurality of clients to connect simultaneously.
Fig. 4 is above-mentioned radio frequency identification read-write device position view in rfid system, and referring to Fig. 4, data server and configuration management server use same computing machine physically, and concrete connected mode is selected according to field condition and customer requirement.If adopt the physical connection mode of Ethernet/GPRS/WIFI, when setting up the protocol layer connection, the radio frequency identification read-write device is connected as client with data server, is connected as service end with configuration management server; When adopting 485 physical connection mode, the radio frequency identification read-write device is only as service end.Connect for protocol layer, adopt permanent online mode to be connected between radio frequency identification read-write device and the data server, a plurality of radio frequency identification read-write devices can upload data to same data server simultaneously; Adopt the mode that is connected as required/breaks off to connect between radio frequency identification read-write device and the configuration management server.
The above embodiment has only expressed several kinds of embodiments of the utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model claim.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the utility model design, can also make some distortion and improvement, these all belong to the protection domain of the utility model.Therefore, the protection domain of the utility model patent should be as the criterion with accompanying claims.
Claims (10)
1. radio frequency identification read-write device; It is characterized in that, comprise main control module, be used to receive the wireless signal that electronic tag sends and will obtain data transmission being connected and being used for the communication module with said radio frequency identification read-write device external communication according to the driver module of setting-up time transmission electronic tag activation signal and with said main control module to the reader/writer module of said main control module, under said master control module controls.
2. radio frequency identification read-write device according to claim 1; It is characterized in that; Said main control module comprises USB and spi bus; Said reader/writer module is connected with said main control module through said spi bus, and said driver module is connected with said main control module through said USB.
3. radio frequency identification read-write device according to claim 2 is characterized in that, said communication module comprises the serial communication interface GPRS unit that be connected with said main control module, that be used to receive the next steering order of external transmission through said main control module; Said communication module also comprises with said main control module and being connected, be used to connect external server and transmit the Ethernet interface unit of the data that said reader/writer module receives.
4. radio frequency identification read-write device according to claim 3; It is characterized in that; Said communication module comprises also and being used for and outside RS232 unit and the RS485 unit that is connected and transmits data of said radio frequency identification read-write device that said RS232 unit is connected with said main control module through electronic switch with the RS485 unit.
5. radio frequency identification read-write device according to claim 4 is characterized in that, said driver module frequency of operation is 123KHz, and said read write line frequency of operation is 433MHz.
6. radio frequency identification read-write device according to claim 5 is characterized in that, said driver module, reader/writer module and GPRS unit adopt antenna transmission separately respectively or receive wireless signal.
7. radio frequency identification read-write device according to claim 6 is characterized in that, also comprises the housing that is used for ccontaining each module; Said housing comprises two accommodation spaces in top and bottom, is provided with metal shield member between said top and the bottom.
8. radio frequency identification read-write device according to claim 7; It is characterized in that; Said reader/writer module and GPRS unit are arranged on the top accommodation space of said radio frequency identification read-write device, are provided with metal shielding board between said reader/writer module and the GPRS unit.
9. radio frequency identification read-write device according to claim 8 is characterized in that, the antenna of said reader/writer module and GPRS unit is separately positioned on the diverse location at the outer top of housing of said radio frequency identification read-write device.
10. radio frequency identification read-write device according to claim 9 is characterized in that, said driver module is arranged on the bottom accommodation space of said radio frequency identification read-write device, and the antenna of said driver module is arranged on outside the said housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203278913U CN202217297U (en) | 2011-09-02 | 2011-09-02 | Radio frequency identification reading-writing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203278913U CN202217297U (en) | 2011-09-02 | 2011-09-02 | Radio frequency identification reading-writing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202217297U true CN202217297U (en) | 2012-05-09 |
Family
ID=46016540
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203278913U Expired - Fee Related CN202217297U (en) | 2011-09-02 | 2011-09-02 | Radio frequency identification reading-writing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202217297U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722741A (en) * | 2012-06-15 | 2012-10-10 | 深圳市远望谷信息技术股份有限公司 | Vehicle data acquiring device and method based on active radio frequency identification |
| CN103258221A (en) * | 2013-05-23 | 2013-08-21 | 成都九洲电子信息系统股份有限公司 | Ultrahigh-frequency reader-writer |
| CN103544512A (en) * | 2013-10-30 | 2014-01-29 | 深圳市远望谷信息技术股份有限公司 | Method and device for recognizing vehicles on lane on basis of multi-antenna array RFID |
| CN115567904A (en) * | 2021-07-02 | 2023-01-03 | 中国移动通信有限公司研究院 | Communication method in FRID framework, controller and FRID framework |
-
2011
- 2011-09-02 CN CN2011203278913U patent/CN202217297U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102722741A (en) * | 2012-06-15 | 2012-10-10 | 深圳市远望谷信息技术股份有限公司 | Vehicle data acquiring device and method based on active radio frequency identification |
| CN102722741B (en) * | 2012-06-15 | 2015-12-02 | 深圳市远望谷信息技术股份有限公司 | Based on vehicle data acquisition device and the method for active radio frequency identification |
| CN103258221A (en) * | 2013-05-23 | 2013-08-21 | 成都九洲电子信息系统股份有限公司 | Ultrahigh-frequency reader-writer |
| CN103544512A (en) * | 2013-10-30 | 2014-01-29 | 深圳市远望谷信息技术股份有限公司 | Method and device for recognizing vehicles on lane on basis of multi-antenna array RFID |
| CN103544512B (en) * | 2013-10-30 | 2017-04-05 | 深圳市远望谷信息技术股份有限公司 | Based on method and device of multi-antenna array RFID to vehicle identification on track |
| CN115567904A (en) * | 2021-07-02 | 2023-01-03 | 中国移动通信有限公司研究院 | Communication method in FRID framework, controller and FRID framework |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11630794B2 (en) | Cabinet level controller with asset management | |
| AU2014233175B2 (en) | Wireless communications capable power distribution unit and techniques for communicating therewith | |
| EP2199946A1 (en) | Device configuration system and method | |
| CN106651261A (en) | Warehouse storage yard guiding label visualization system | |
| CN202217297U (en) | Radio frequency identification reading-writing device | |
| JP6390023B2 (en) | Upgradeable wiring framework, cable connectors, and cabling management system | |
| CN102355389A (en) | Hardware middleware applied to system of Internet of Things | |
| CN104852836A (en) | Comprehensive data acquisition substation for underground coal mine | |
| CN204856513U (en) | Radio frequency identification system, card reader and RF chips | |
| JP4512110B2 (en) | RFID device, program for RFID device, RFID control method, and RFID system | |
| CN102799838A (en) | Radio frequency identification (RFID) electronic tag random frequency hopping method | |
| CN102855506A (en) | Electronic shelf tag system | |
| JP2010152641A5 (en) | ||
| CN105511325A (en) | Data processing system, method and device for unit | |
| WO2012129796A1 (en) | A method for configuring a wireless device and a wireless device and system | |
| KR101001681B1 (en) | Active ???? Systems and Method for controlling Tag Wake up the same | |
| EP2777214B1 (en) | Method and apparatus for optimizing management and configuration of radio frequency identification readers | |
| CN103106415A (en) | Intelligent radio frequency identification (RFID) reader used for rapid positioning of annular track conveying vehicle | |
| US8872630B2 (en) | Method and apparatus for cabinet asset management, and cabinet system | |
| CN201955804U (en) | Intelligent experimental device for automatically checking experimental equipment | |
| CN203405835U (en) | Indoor type RFID intelligent reader | |
| KR101294767B1 (en) | Alram and power control device and system of traffic information repeater and method thereof | |
| KR101391981B1 (en) | System for Building Chip into Electronic Parts | |
| CN202257591U (en) | Positioning and card-reading device for coal mine underground worker | |
| CN214337925U (en) | Internet of things gateway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20190902 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |