CN102385711A - Multifunctional radio frequency identification (RFID) terminal inquiry equipment - Google Patents
Multifunctional radio frequency identification (RFID) terminal inquiry equipment Download PDFInfo
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- CN102385711A CN102385711A CN2011103565749A CN201110356574A CN102385711A CN 102385711 A CN102385711 A CN 102385711A CN 2011103565749 A CN2011103565749 A CN 2011103565749A CN 201110356574 A CN201110356574 A CN 201110356574A CN 102385711 A CN102385711 A CN 102385711A
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Abstract
The invention discloses multifunctional radio frequency identification (RFID) terminal inquiry equipment, which comprises a main control board (1), a liquid crystal display (LCD) screen (2), an RFID reading-writing module (3) and a wireless communication module (4), wherein the main control board (1) is connected with the RFID reading-writing module (3) and the wireless communication module (4) through universal serial buses (USB) respectively; and the LCD screen (2) is connected with the main control board (1) through a data line. By adopting an independent module mode, the RFID reading-writing module is separated from the main control board and communicates through a USB interface; by the design, the complexity of the main control board is reduced; and a digital circuit and an ultrahigh frequency simulation circuit are separated from each other strictly, so the reliability of the main control board is improved; and the independent design of the RFID reading-writing module is favorable for improving the property and the flexibility of the RFID reading-writing module.
Description
Technical field
The present invention relates to a kind of RFID multi-functional terminal end query facility, be mainly used in of the inquiry of the terminal client of RFID product back-tracing application article RFID information.
Background technology
Existing product back-tracing generally adopts bar codes technique, mainly has following shortcoming: the first, bar code can not be changed after composing mark, can only put down in writing primary data, not reproducible record; The second, because bar code is prone to be damaged, so anti-counterfeiting performance is poor; Three, data capacity is little, can't write down required full detail.Four, reading performance is low.Five, contamination resistance is poor.
Summary of the invention
Technical matters to be solved by this invention is: a kind of RFID multi-functional terminal end query facility is provided, realizes the inquiry of product back-tracing application terminal client to article RFID information.
Technical scheme of the present invention is following:
A kind of RFID multi-functional terminal end query facility comprises master control borad, it is characterized in that: also comprise the LCD screen, RFID module for reading and writing and wireless communication module, master control borad are connected with RFID module for reading and writing and wireless communication module through the USB line respectively; The LCD screen is connected with master control borad through data line.
Master control borad comprises the ARM microprocessor, and the ARM microprocessor is connected with three USB sockets through the USB controller, and one of them USB socket is connected with the RFID module for reading and writing, and second USB socket is connected with wireless communication module, and the 3rd USB socket is service port.
Described ARM microprocessor also is connected with Ethernet interface through ethernet controller.
Described master control borad also comprises circuit power administration module, level translator, SD card, NAND Flash and DDR SRAM; Wherein NAND Flash and DDR SRAM are connected with the ARM microcontroller circuit through three buses.
Described master control borad also comprises RTC clock, universal asynchronous formula transmission/reception serial ports and synchronous USB interface.
The preferred S3C6410 type of described ARM microprocessor microprocessor.
Good effect of the present invention is:
(1), the master control borad core adopts ARM chip microprocessor and Windows CE operating system.Through optimizing master control borad design and Windows CE operating system, can realize the simple and high-efficient application platform, be convenient to inquiry terminal application program and function development and flexible expansion.
(2), the RFID module for reading and writing adopts the standalone module mode, separates with master control borad, through the USB interface communication, this design has reduced the complexity of master control borad, digital circuit is separated with the ultrahigh frequency mimic channel is strict, has improved the reliability of master control borad; Alone become the RFID module for reading and writing design of one, the performance and the dirigibility that also help improving the RFID module for reading and writing.
(3), the electronic labeling information that collects of RFID module for reading and writing is transferred to through Ethernet or wireless mode and reviews application system, review application system and return information needed, and be presented on the LCD screen according to the request of inquiry terminal.
Description of drawings
Fig. 1 be the present invention by function divide the module placement synoptic diagram.
Fig. 2 is a structural representation of the present invention.
Fig. 3 is the structural representation of NAND Flash of the present invention.
Fig. 4 is the structural representation of DDR SRAM of the present invention.
Embodiment
Below in conjunction with accompanying drawing the present invention is further described.
As shown in Figure 1, the present invention includes master control borad 1, also comprise LCD screen 2, RFID module for reading and writing 3 and wireless communication module 4, these plates are fixed on enclosure interior through screw respectively.Be connected through the USB line between RFID module for reading and writing 3 and the master control borad 1.LCD screen 2 is connected with master control borad 1 through the data line of flat cable form.Be connected through the USB line between wireless communication module 4 and the master control borad 1.
As shown in Figure 2, master control borad 1 is the core of master control borad, and it comprises the ARM microprocessor, and that the ARM microprocessor is selected in the present embodiment is the S3C6410 (ARM1176JZF-S) of Samsung company.The ARM microprocessor is connected with three USB sockets through the USB controller, and one of them USB socket is connected with RFID module for reading and writing 3, and second USB socket is connected with wireless communication module 4, and the 3rd USB socket is as service port.
The ARM microprocessor also is connected with Ethernet interface through ethernet controller, is used for inquiry terminal and reviews the application system communication.
Master control borad 1 also comprises circuit power administration module, level translator, SD card, NAND Flash and DDR SRAM.NAND Flash and DDR SRAM are connected with the ARM microcontroller circuit through three buses; The SD card is used for the OS and the application program update of inquiry terminal; Power management module, level translator are mainly the work of master control borad internal circuit required various power supplys are provided.
Master control borad 1 also comprises RTC clock, universal asynchronous formula transmission/reception serial ports and synchronous USB interface.RTC clock: be used for support date and time variation through powered battery; Universal asynchronous formula transmission/reception serial ports (Serial UART): be used for and port communications; USB interface (USB Client) as service port, is used for the USB line and is connected on the PC synchronously.
Described LCD screen 2 is a colorful display screen, is human-computer interaction interface of the present invention, is mainly used in the operation interface of demonstration inquiry terminal and the display interface of Query Information.
Described RFID module for reading and writing 3 is a RFID operating function module of the present invention, is the information acquisition equipment of the RFID electronic tag of inquiry terminal, is mainly used in the collection of district's stored informations such as EPC, TID, USER of RFID electronic tag.
Described wireless communication module 4 is a communication function module of the present invention, adopts wireless communication mode to realize the transmission and the reception of information.Wireless communication module 4 can be the WIFI communication module, also can be the 3G communication module.
Like Fig. 3, NAND Flash of the present invention is the equipment that is used to store Bootloader, OS (being operating system), application program etc.It has 4G (512M x 8-bit) flash memory, JEDEC standard 3.3V power supply, and 4 storages of tool computing district.Wherein, I/O0～I/O7: be used for input command, address and data, and when reading output data.
CLE: steering order is sent to the active tunnel of Command Register.When opening, instruction is sent Command Register to through the I/O mouth on WE limit.
ALE: control address is sent to the active tunnel of home address memory block.When ALE opened, instruction was sent through the I/O oral instructions on WE limit.
CE: device selector.When equipment work, CE opens and is left in the basket, and equipment does not return to mode standard when routine processes or clear operation.
RE: serial data output control pushes away data to the I/O bus during work. when RE descends, and data detection tREA, internal column address adds 1 simultaneously.
WE: the I/O mouth is write in control.Instruction when the WE ripple rises, address, data are locked.
WP: when transformation, power protection is provided, when WP was low, the internal high voltages generator was reset.
R/B: operational state indicator.When low grade, representation program, removing or random read operation switch to top grade after accomplishing.
Like Fig. 4, described DDR SRAM is used to store OS and application program is moved to sdram memory and loading.It is 1024M (32M x 16-bit) DDR Memory, and has 4 storage computing districts.Wherein,
CK: clock.Belong to real-time timepiece chip, all addresses and control input signals are sampled when the chief and vice exchange of CK, and internal clock signal is from CK.
CKE: realize synchronous operation, but adopt the output of asynchronous operation inoperative to those; Input buffering, but CK and CKE are inoperative in dead electricity with being designed under the self-refresh mode that hangs down the deposit power consumption.
CS: the effective and inefficacy of steering order code translator.When CS was in a high position, all instructed conductively-closed.CS provides exterior storage to select in a plurality of storages, and CS is as a part that is instruction.
RAS, CAS, WE: be the instruction that begins to get into.
LDM, UDM: DM are the input shielded signals of write data.DM is configured to height, and write access input data are imported data with conductively-closed simultaneously.DM is the border of DQS.The DQ and DQS that DM (comprise inside pretend carry) coupling is loaded.To x16, the data consistent that LDM and DQ0～DQ7 are last, the data consistent that UDM and DQ8～DQ15 are last.
BA0, BA1: be used to ask to store an activity, read-write, preloaded instruction.
AD [15:0]: the column address of auto pre-charge position of row address, the read write command of active instruction is provided, in indivedual wave bands, selects a position to exceed the internal memory sequence.A10 extracts preloaded instruction decision preloaded and whether is used for one and deposits district (A10 low) or all deposit district (A10 high).If a certain district that deposits is by preloaded, this district is chosen as BA0, BA1.When a pattern registration was provided with instruction, the address input also provided op-code.When this pattern registration was provided with instruction, BA0 and BA1 confirmed that Acceditation Area is loaded.
DQ: data bus.
LDQS, UDQS: the output read data, input writes data.Based on the read data of Edge-aligned, based on the data that write of centered.Be used to extract and write data.To x16, the data of LDQS and DQ0～DQ7 are consistent, and the data of DQS and DQ8～DQ15 are consistent.
Routine operation explanation of the present invention:
After the start, system's energising starts, and treats system stability, and the S3C6410 processor is initialised, and loads Boot Loader module from NAND Flash.
Boot Loader module check is connected to the parts of mainboard, if be connected to mainboard, then to Mobile DDR SDRAM, operating system starts from Mobile DDR SDRAM OS from NAND Flash loading operation system.
After the OS guiding is accomplished, start playing advertisements video file application program, and prepare to read the RFID label.In the time will verifying product, system reads the product of being with the RFID label through USB RFID Module, and data transfer is analyzed the RFID label to S3C6410 Processor, and whether the checking product authorizes.
Claims (6)
1. RFID multi-functional terminal end query facility; Comprise master control borad (1); It is characterized in that: also comprise LCD screen (2), RFID module for reading and writing (3) and wireless communication module (4), master control borad (1) are connected with RFID module for reading and writing (3) and wireless communication module (4) through the USB line respectively; LCD screen (2) is connected with master control borad (1) through data line.
2. RFID multi-functional terminal end query facility as claimed in claim 1; It is characterized in that: master control borad (1) comprises the ARM microprocessor; The ARM microprocessor is connected with three USB sockets through the USB controller; One of them USB socket is connected with RFID module for reading and writing (3), and second USB socket is connected with wireless communication module (4), and the 3rd USB socket is service port.
3. RFID multi-functional terminal end query facility as claimed in claim 2 is characterized in that: described ARM microprocessor also is connected with Ethernet interface through ethernet controller.
4. RFID multi-functional terminal end query facility as claimed in claim 2 is characterized in that: described master control borad (1) also comprises circuit power administration module, level translator, SD card, NAND Flash and DDR SRAM; Wherein NAND Flash and DDR SRAM are connected with the ARM microcontroller circuit through three buses.
5. RFID multi-functional terminal end query facility as claimed in claim 1 is characterized in that: described master control borad (1) also comprises RTC clock, universal asynchronous formula transmission/reception serial ports and synchronous USB interface.
6. like claim 2 or 3 or 4 or 5 described RFID multi-functional terminal end query facilities, it is characterized in that: described ARM microprocessor is a S3C6410 type microprocessor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011103565749A CN102385711A (en) | 2011-11-11 | 2011-11-11 | Multifunctional radio frequency identification (RFID) terminal inquiry equipment |
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| CN2011103565749A CN102385711A (en) | 2011-11-11 | 2011-11-11 | Multifunctional radio frequency identification (RFID) terminal inquiry equipment |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4624239B2 (en) * | 2005-11-10 | 2011-02-02 | 株式会社横須賀テレコムリサーチパーク | RFID communication device |
| CN101968854A (en) * | 2010-09-07 | 2011-02-09 | 深圳市远望谷信息技术股份有限公司 | RFID method and device for animal traceability management |
| CN202331504U (en) * | 2011-11-11 | 2012-07-11 | 烟台东方瑞创达电子科技有限公司 | Multifunctional RFID (Radio Frequency Identification Devices) terminal inquiring equipment |
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- 2011-11-11 CN CN2011103565749A patent/CN102385711A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4624239B2 (en) * | 2005-11-10 | 2011-02-02 | 株式会社横須賀テレコムリサーチパーク | RFID communication device |
| CN101968854A (en) * | 2010-09-07 | 2011-02-09 | 深圳市远望谷信息技术股份有限公司 | RFID method and device for animal traceability management |
| CN202331504U (en) * | 2011-11-11 | 2012-07-11 | 烟台东方瑞创达电子科技有限公司 | Multifunctional RFID (Radio Frequency Identification Devices) terminal inquiring equipment |
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Application publication date: 20120321 |