CN201145904Y - Hand-hold wireless radio frequency reader-writer for outdoor billboard management - Google Patents
Hand-hold wireless radio frequency reader-writer for outdoor billboard management Download PDFInfo
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- CN201145904Y CN201145904Y CNU2008200045869U CN200820004586U CN201145904Y CN 201145904 Y CN201145904 Y CN 201145904Y CN U2008200045869 U CNU2008200045869 U CN U2008200045869U CN 200820004586 U CN200820004586 U CN 200820004586U CN 201145904 Y CN201145904 Y CN 201145904Y
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Abstract
The utility model discloses a handhold type wireless radio frequency reader and writer used for governing outdoor billboards and relates to the technical field of RFID wireless radio frequency recognition. The utility model comprises a radio frequency recognition part and a PDA part; wherein, the radio frequency recognition part comprises an outer shell, radio frequency, a master control circuit, an antenna, an electricity power resource and an interface circuit. The reader and writer of the utility model is characterized in that the radio frequency recognition part adopts the radio frequency chip with the frequency band being 2.4 GHz; a master control microcontroller MCU adopts a high-speed serial interface and an RS-232 interface high-speed microcontroller which drives the radio frequency chip by an SPI interface and communicates with the PDA by the RS-232 interface. The chosen PDA is the high performance PDA of the HPi PAQ hx2790 of Hewlett Packard, with the processor dominant frequency being 624 MHz, the TFT screen being 3.5 inches and the memory being 256MB. Owing to adopting the manner of combining the radio frequency and the high performance PDA, the handhold type wireless radio frequency reader and writer of the utility model has the advantages of great function, high reading speed and processing speed, portable and extensible property and strong practicability.
Description
Technical field
The utility model relates to radio-frequency (RF) identification (RFID) technical field, especially relates to a kind of radio frequency read/write that is used for the outdoor billboard management.
Background technology
The RFID technology is the abbreviation of Radio Frequency Identification, and the meaning is a radio frequency identification, and it is a kind of new technology of automatic identification field.It is by the automatic recognition objective object of radio-frequency communication signal and obtain related data, and identification work need not manual intervention, can work in various rugged surroundings.REID has the identification high-speed moving object and can discern a plurality of labels simultaneously.In a word, REID has and can discern a plurality of objects, read-write, characteristics such as penetration power is strong, decipherment distance is far away, recognition speed is fast, physical life is long, conforming property is good simultaneously.
The outdoor billboard management is a difficult problem of city management, mainly shows this several aspects:
1, not through approval, the phenomenon that outdoor billboard is set without authorization is very serious; 2, a large amount of discarded outdoor billboards there is every year; 3, outdoor billboard is violated approval and is required construction, and there are potential safety hazard in superelevation, super large;
At present, outdoor billboard is mainly by hand inspection.Because outdoor billboard quantity is big, the problem outdoor billboard is mixed in together with legal outdoor billboard, bring very big work difficulty for inspection and processing.Adopting technological means, contain that effectively problem outdoor billboard ground spreads unchecked, be not only the important issue that digitalized city is built, also is the active demand of eliminating urban safety hidden danger, improving the urban management level.
Just because of radio-frequency (RF) identification has above-mentioned these characteristics, the possibility that REID is applied to the outdoor billboard management has been arranged.By advertisement approval department hair fastener, can write the relevant information of outdoor billboard in the label information, when supervision of law enforcement, pass through the collection of the information realization of billboard in the read write line reading tag to billboard information, again the content in the information of same departments of examination and approval database of gathering is analyzed processing, therefrom find out the billboard that does not meet standard, find the responsible person concerned to make its rectification again, thereby realize management outdoor billboard.
When supervision of law enforcement, read write line is a vital step to the Information Monitoring of label like this.It requires read write line to have the ability of remote reading tag, has the ability of carrying out the high-speed high capacity database operation, has portability and practicality simultaneously.
The content of utility model
Problem to be solved in the utility model provides a kind of portable wireless frequency read/write that is used for the outdoor billboard management, comprise radio-frequency module, shell and PDA, described radio-frequency module and shell are mounted in one, described PDA part links to each other with shell by connector, it is characterized in that: described radio-frequency module comprises main control MCU circuit, radio frequency chip, the radio-frequency antenna interface, RS-232 interface, key control circuit, condition indication circuit, power interface circuit, what the communication interface of power supply, described radio-frequency module and PDA adopted is RS-232 interface.
It is the radio frequency chip of 2.4GHz that described radio frequency chip adopts frequency range; Described main control MCU circuit adopts HSSI High-Speed Serial Interface and RS-232 interface high-speed microprocessor.
The frequency range that described radio-frequency module uses is 2.4GHz, and described radio frequency chip is that single-chip microcomputer drives by high speed serial port.
The model of described PDA is the HP iPAQ hx2790 of HP Hewlett-Packard.
Described power supply can pass through powered battery, also can external power source.
It is the radio frequency chip of MC13192 that described radio frequency chip adopts U.S. Freescale company model.
It is the single-chip microcomputer of MC9S08GB60 that described single-chip microcomputer adopts U.S. Freescale company model.
The utlity model has following advantage:
This portable wireless frequency read/write that is used for the outdoor billboard management that the utility model provides, because the mode that has adopted radio-frequency module to combine with PDA, make read write line both have the function of long-range radio-frequency identification, had powerful database processing function again simultaneously, make the on-site law-enforcing of outdoor billboard management become possibility, and its portability make it have very strong practicality in real work.
Description of drawings
Fig. 1 is a radio-frequency module hardware block diagram of the present utility model.
Embodiment
The utility model will be further described below in conjunction with accompanying drawing.
Fig. 1 is a radio-frequency module hardware block diagram of the present utility model, and in an embodiment of the present utility model, the portable wireless frequency read/write is the radio frequency identification equipment that is used for outdoor billboard management law enforcement, comprises radio-frequency module, shell and PDA.Wherein radio-frequency module comprises the main control MCU circuit, radio frequency chip, radio-frequency antenna interface, RS-232 interface, key control circuit, condition indication circuit and power interface circuit etc.
Wherein, main control MCU adopts Freescale company single-chip microcomputer, and memory function on the abundant sheet is arranged, and has the storage space of 60KB Flash and 4KB RAM; Under the frequency of operation of 40MHz, its power consumption is less than 1mW, and it is selective to have a multiple battery saving mode.On having abundant sheet, memory function and the multiple battery saving mode, also have 8 10 A/D converters, a plurality of I/O data line, 2 serial communication interfaces (SCI) and four line serial peripheral interface (SPI).In the present embodiment, the model that is adopted is MC9S08GB60.
Radio frequency chip adopts the radio-frequency (RF) transceiver of Freescale company, and it is operated in the 2.4GHzISM common frequency channel.Have following principal features: have 16 channels; Typical emissive power is 0dBm, and maximum transmission power reaches 3.6dBm; Adopt the DSSS spread spectrum technic, maximum rate is 250kbps; Be that its receiving sensitivity reaches-92dBm (representative value) under 1% the situation at packet error probability; 7 universal input and output port (GPIO).In the present embodiment, the model that is adopted is MC13192.
In radio-frequency module, main control MCU drives radio frequency chip by synchronous serial interface SPI, and its bus clock reaches 4MHz.
Selected PDA is the HP iPAQ hx2790 type high-performance PDA of HP Hewlett-Packard, it has the processor host frequency of 624MHz, 3.5 the TFT display screen of inch and the internal memory of 256MB, integrated IrDA (SIR), USB2.0 Client, serial RS232 support SD card and CF card.Adopt the processor host frequency of 624MHz to guarantee the label ID number speed when data base querying mates; 3.5 the TFT display screen of inch has guaranteed have sufficient display space to come the display label result; The internal memory of 256MB has guaranteed that application software has sufficient storage space to place the speed that large-capacity data also guarantees data base querying simultaneously; Serial RS232 has guaranteed, and is unobstructed with the radio-frequency module interface; Support SD card and CF card to guarantee, in the future the demand that database is expanded.
In radio-frequency module, main control MCU is by serial ports level transferring chip MAX3232, realizes with the serial RS232 communication of PDA, and the speed of its serial ports is 38400bps.
Key control circuit and condition indication circuit are to realize by direct driving of the I/O data line of main control MCU.Wherein, whether condition indication circuit can indicate radio-frequency module to power on; Can indicate radio-frequency module whether reading label.
Power interface circuit comprises battery feed circuit and power supply switch circuit.When not connecing the externally fed power supply, radio-frequency module is by battery-powered, and PDA then uses self battery; When connecing the externally fed power supply, power supply switch circuit will switch the radio-frequency module power supply, and outside 5V power supply process model is that the voltage transitions chip of LP2981IM5-3.3 is changed the back for the radio-frequency module power supply, can be the lithium cell charging of PDA simultaneously.
When the law enfrocement official when going out to enforce the law, the portable hand-held read write line arrives the law enforcement place, starts the application program of PDA on the hand-held read write line, carrying out database loads, open the radio-frequency module switch simultaneously, status indicator lamp-upward electric light will be lighted this moment, and the expression radio-frequency module is started working.Select tag scan in the PDA application program, status indicator lamp-radio-frequency lamp will begin flicker this moment, and the existing label of expression is read.Every 5 second radio-frequency module will upload to the label information of being read the application program of PDA, till reading less than label.The PDA application program can be carried out The matching analysis to the label information in label information of uploading and the database, examines the term of validity when expired as billboard, and application program will this label of highlighted demonstration, reminds the law enfrocement official.If find that in enforcing law violations of rules and regulations such as stained take place billboard, the law enfrocement official can find the responsible person concerned by the related information of label information in database, it is announced make it rectify and improve.Improve the quality and the efficient of managing in the billboard management out of doors by implementing the utility model.
Claims (7)
1, a kind of portable wireless frequency read/write that is used for the outdoor billboard management, comprise radio-frequency module (1), shell (2) and PDA (3), described radio-frequency module (1) and shell (2) are mounted in one, described PDA part (3) links to each other with shell (2) by connector, it is characterized in that: described radio-frequency module (1) comprises main control MCU circuit (4), radio frequency chip (5), radio-frequency antenna interface (6), RS-232 interface (7), key control circuit (8), condition indication circuit (9), power interface circuit (10), power supply (11), what the communication interface of described radio-frequency module (1) and PDA (3) adopted is RS-232 interface (7).
2, a kind of portable wireless frequency read/write that is used for the outdoor billboard management according to claim 1, it is characterized in that: it is the radio frequency chip of 2.4GHz that described radio frequency chip (5) adopts frequency range; Described main control MCU circuit (4) adopts HSSI High-Speed Serial Interface and RS-232 interface high-speed microprocessor.
3, a kind of portable wireless frequency read/write that is used for the outdoor billboard management according to claim 1, it is characterized in that: the frequency range that described radio-frequency module (1) uses is 2.4GHz, described radio frequency chip (5) is that single-chip microcomputer drives by high speed serial port.
4, a kind of portable wireless frequency read/write that is used for the outdoor billboard management according to claim 1, it is characterized in that: the model of described PDA (3) is the HP iPAQ hx2790 of HP Hewlett-Packard.
5, a kind of portable wireless frequency read/write that is used for the outdoor billboard management according to claim 1, it is characterized in that: described power supply (11) can pass through powered battery, also can external power source.
6, a kind of portable wireless frequency read/write that is used for the outdoor billboard management according to claim 1, it is characterized in that: it is the radio frequency chip of MC13192 that described radio frequency chip (5) adopts U.S. Freescale company model.
7, according to claim 2 or 3 described a kind of portable wireless frequency read/writes that are used for the outdoor billboard management, it is characterized in that: it is the single-chip microcomputer of MC9S08GB60 that described single-chip microcomputer adopts U.S. Freescale company model.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200045869U CN201145904Y (en) | 2008-01-25 | 2008-01-25 | Hand-hold wireless radio frequency reader-writer for outdoor billboard management |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200045869U CN201145904Y (en) | 2008-01-25 | 2008-01-25 | Hand-hold wireless radio frequency reader-writer for outdoor billboard management |
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| Publication Number | Publication Date |
|---|---|
| CN201145904Y true CN201145904Y (en) | 2008-11-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200045869U Expired - Lifetime CN201145904Y (en) | 2008-01-25 | 2008-01-25 | Hand-hold wireless radio frequency reader-writer for outdoor billboard management |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789588A (en) * | 2011-07-01 | 2012-11-21 | 山东佳信自动化有限公司 | Active radio frequency E-plate and vehicle IOT (Internet of Things) management system and implementation method thereof |
-
2008
- 2008-01-25 CN CNU2008200045869U patent/CN201145904Y/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102789588A (en) * | 2011-07-01 | 2012-11-21 | 山东佳信自动化有限公司 | Active radio frequency E-plate and vehicle IOT (Internet of Things) management system and implementation method thereof |
| CN102789588B (en) * | 2011-07-01 | 2015-12-02 | 山东佳信自动化有限公司 | A kind of active radio frequency electronic license plate and vehicle management system for internet of things and implementation method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20090123 Address after: No. 8 Qunying Beijing Science Park, Haidian District information industry base to start on the road No. 3 Building 3 floor, zip code: 100085 Patentee after: Beijing Huahailong Scientific and Trading Co., Ltd. Address before: Beijing city in Haidian District on the seven Street No. 1, No. 2 building, Huizhong Building Room 502, zip code: 100085 Patentee before: Beijing Rongda Sibo Technology Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING HUAHAILONG SCIENTIFIC AND TRADING CO., LTD Free format text: FORMER OWNER: BEIJING RONGDASIBO SCIENCE CO., LTD. Effective date: 20090123 |
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| C56 | Change in the name or address of the patentee |
Owner name: BEIJING HUAHAILONG SCIENCE CO., LTD. Free format text: FORMER NAME: BEIJING HUAHAILONG SCIENTIFIC AND TRADING CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: No. 8 Qunying Beijing Science Park, Haidian District information industry base to start on the road No. 3 Building 3 floor, zip code: 100085 Patentee after: Beijing Huahailong Technology Co., Ltd. Address before: No. 8 Qunying Beijing Science Park, Haidian District information industry base to start on the road No. 3 Building 3 floor, zip code: 100085 Patentee before: Beijing Huahailong Scientific and Trading Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20081105 |