CN102903049A - Outdoor advertizing supervisory system based on RFID (radio frequency identification) - Google Patents
Outdoor advertizing supervisory system based on RFID (radio frequency identification) Download PDFInfo
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- CN102903049A CN102903049A CN2012103507409A CN201210350740A CN102903049A CN 102903049 A CN102903049 A CN 102903049A CN 2012103507409 A CN2012103507409 A CN 2012103507409A CN 201210350740 A CN201210350740 A CN 201210350740A CN 102903049 A CN102903049 A CN 102903049A
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Abstract
The invention relates to the field of application of radio frequency technology, and provides an outdoor advertizing supervisory system based on RFID (radio frequency identification), and the system comprises a background server, a PC (personal computer) terminal, a handheld terminal, a card dispenser and an RFID label. An outdoor advertisement database is arranged in the background server, the PC terminal can access the database of the background server and initialize the active RFID label via the card dispenser, the active RFID label is arranged on the outdoor advertisement, data reading-writing operation is carried out between the handheld terminal and the active RFID label via a radio frequency reading-writing module, and the handheld terminal can carry out synchronization via the PC terminal and the database of the background server. By virtue of the radio frequency manner, polling work can be completed quickly and effectively.
Description
Technical field
The present invention relates to the wireless radio-frequency application, particularly based on the outdoor advertising supervisory systems of RFID.
Background technology
Along with the fast development of China's economy, it is more and more active that business activity becomes.In order to show one's talent in numerous rivals, each incorporated business utilizes the product of various ways publicity oneself, and settling out of doors advertisement is exactly a kind of important publicity measures wherein.If effective standard is not carried out in the arrangement of mass advertising, certainly will will make management become very difficult, public safety is hidden some dangers for, also can produce negative impact to the establishment of the civilized appearance of the city.
Supervision to outdoor advertising is faced with many difficult points:
At first, owing to lack for a long time effective Supervision Measures always, so that physical presence has very many illegal advertisements without the approval of any department at present.New billboard supervision method will guarantee to no longer include more illegal advertisement and produce, and progressively bans existing illegal advertisement under this prerequisite, under the monitoring that the real regularization of outdoor advertising is orderly.Yet, the quantity that outdoor advertising is huge, arrangement situation complicated and changeable is so that supervise the very difficulty that becomes with pure artificial mode.
Secondly, for outdoor advertising to patrol and examine for operating personnel are the processes that machinery repeats, the routine inspection mode of poor efficiency is time and effort consuming not only, and allows easily the people produce boredom, reduces the quality of patrolling and examining.
Moreover large-scale advertisement generally can be placed in the higher position and pay close attention to cause more widely, and this can strengthen the labour intensity of patrolling and examining difficulty, increasing the weight of the patrolman undoubtedly, greatly increases the time of inspection.
Therefore, setting up the outdoor advertising supervisory systems that a cover possesses systematicness, high efficiency, safety and reliability, is urgent and significant.
Summary of the invention
To the objective of the invention is in order solving the problems of the technologies described above, a kind of outdoor advertising supervisory systems based on RFID to be provided, in the hope of by RFID technological system, efficient, safety, manage outdoor advertising reliably.
The technical scheme that the present invention takes is:
A kind of outdoor advertising supervisory systems based on RFID, it is characterized in that: comprise background server, the PC terminal, handheld terminal, card sender and active RFID tag, the outdoor advertising database is installed in the described background server, described PC terminal can be accessed the database of described background server, described PC terminal is carried out initialization by described card sender to described active RFID tag, described active RFID tag is installed in the described outdoor advertising, carry out data read-write operation by the less radio-frequency module for reading and writing between described handheld terminal and the described active RFID tag, described handheld terminal can be undertaken by described PC terminal and background server database synchronously.
Further, the effective communication distance between described handheld terminal and the described active RFID tag is greater than 1000 meters.
Further, described radio frequency module for reading and writing adopts direct sequence spread spectrum skill to carry out data and transmits, and its traffic rate is 250Kbps, and rf frequency is 2.4GHz.
Further, described radio frequency module for reading and writing carries out communication by the communication protocol between radio-frequency module, and described communication protocol is supported anti-tamper mechanism, has anti-collision algorithm and retransmission mechanism.
Further, the data communication device of described active RFID tag is crossed and is carried out alternately with described handheld terminal after AES encrypts, and AES cryptographic algorithm cipher key user can be self-defined.
Further, the power acquisition of described active RFID tag is with solar cell or lithium Fe battery.
Further, described handheld terminal carries GPS module and map bag.
The invention has the beneficial effects as follows:
(1) coverage of handheld terminal is large, can cover all skyscrapers;
(2) wireless signal of 2.4GHz has strong penetration power, has reduced communication dead angle, and the signal that also can avoid causing because of the frequency range conflict disturbs;
(3) data communication device transmits after crossing encryption, makes data safer;
What (4) communication protocol of radio-frequency module, anti-collision algorithm and retransmission mechanism had guaranteed to communicate by letter is reliable;
(5) guaranteed label power source serviceable life, the tag performance index satisfies the outdoor study environmental requirement, can be recycled environmental protection;
(6) handheld terminal has comprehensively, patrols and examines efficiently ability;
(7) really realized safety, reliable, efficient, the outdoor advertising science monitoring and managing method of the based on database of system.
Description of drawings
Accompanying drawing 1 is configuration diagram of the present invention;
Accompanying drawing 2 is handheld terminal and RFID label reciprocal process synoptic diagram;
Accompanying drawing 3 is supervisory systems course of work synoptic diagram;
Accompanying drawing 4 is the hair fastener operational flowchart;
Accompanying drawing 5 is the blacklist processing flow chart.
Mark in the accompanying drawing is respectively:
1. background server; 2. universal PC terminal;
3. handheld terminal; 4. card sender;
5.RFID label; 6. billboard;
7. telegon; 8. flow chart;
9. card sender; 10. patrol and examine personnel;
11. inspection car; 12. buildings;
13. patrol and examine route; 201-220. block diagram step or Rule of judgment;
301-313. block diagram step or Rule of judgment.
Embodiment
Elaborate below in conjunction with the embodiment of accompanying drawing to the outdoor advertising supervisory systems that the present invention is based on RFID.
Referring to accompanying drawing 1, the outdoor advertising supervisory systems is comprised of background server 1, universal PC terminal 2, card sender 4, handheld terminal 3 and less radio-frequency (RFID) label 5 five part assemblies.
Universal PC terminal 2 is equipped with PC end software kit, is the relay point that connects master data base, handheld terminal local data base and card sender three, can realize several functions, and master data base and software thereof all can be selected existing database development product.Universal PC terminal 2 software kits are as the client of background server master data base, and the user can use this software that master data base is conducted interviews and revise.Universal PC terminal 2 is from the master data base downloading data, is used for downloading the outdoor advertising current data of patrolling and examining the target area, being written into handheld terminal, and the partial data of downloading a certain electronic tag, to carry out the again hair fastener operation to this label.The universal PC terminal can be with following Data Update to master data base: (1) hair fastener data after to a certain new electronic tag hair fastener success.(2) to make amendment Update Table after operating successfully of the data of a certain existing electronic tag.(3) patrol and examine end after, be written into to PC terminal 2 from handheld terminal and patrol and examine the result, the data that this result obtains after the arrangement of PC end software kit.The following feedback data of the implementation status of the flow processs such as (4) information replacement, blacklist, label replacing.
Card sender 4 can pass through serial ports or Ethernet interface connection universal PC.After the successful connection, PC end software kit can be controlled card sender, carries out the operations such as hair fastener.Can carry out hair fastener to electronic tag, revise the label substance operation in conjunction with software kit again behind the universal PC terminal 2 external card senders.Can read data in the electronic tag in conjunction with software kit again behind the universal PC terminal 2 external card senders, be used for the success of check hair fastener, check the purpose such as data.
Radio frequency electronic tag 5 adopts the 2.4GHz active label, examines by providing with outdoor advertising, is storing the information of corresponding advertisement, and embedded label during the advertisement construction is used for carrying out the supervision to advertisement.Has low power dissipation design, the power and energy saving.Adopt the ABS can, meet the outdoor environment requirement, can be recycled environmental protection.Patrol and examine in the process handheld terminal and by software kit electronic tag is carried out the label search, reading and writing data, the operations such as cryptographic algorithm key revised in record violating the regulations.Limit reading/writing distance is not less than 1000 meters, and scope is adjustable, and traffic rate 250Kbps can retransmit during packet loss.
Referring to accompanying drawing 2, outdoor advertising is placed in the full position of large buildings or marker.Difference according to building surface usable area, the billboard of varying number can be settled in large buildings or marker surface, organize marker as a unit take every independent building or each, billboard 6 has all been settled in each unit, and each billboard is provided with radio electronic label 5.Radio electronic label 5 storage inside a series of information relevant with corresponding billboard, are under normal conditions the dormant state of low-power consumption.Patrol and examine in the process, the supporting program of patrolling and examining in the personnel operation handheld terminal 3 is at first initiated search signal to control its telegon 7, wake the label in the effective range up, the label that is waken up sends label ID, label voltage to telegon 7 immediately, (telegon limit detection range is not less than 1000 meters to the basic descriptor such as signal(l)ing condition and label geographic position, traffic rate 250Kbps.Owing to adopted anti-collision algorithm, telegon can search simultaneously all interior labels of effective range.The 2.4GHz frequency range that radiofrequency signal adopts can be avoided conflicting with other wireless signal generation frequency range commonly used and causing signal to disturb.Consider the packet drop that may exist in the communication, designed retransmission mechanism.), telegon 7 can further be accessed to the label that successfully searches (use the communication protocol of autonomous Design, and adopt cryptographic algorithm to guarantee the safety of data message) after receiving these information.Handheld terminal 3 can be regulated the emissive power of telegon 7, the coverage of patrolling and examining with adjustment, be the required zone of patrolling and examining such as the a-quadrant among the figure, the zone that the B zone can cover for patrolling and examining signals in addition regional but telegon 7 emissions, the regional extent that then can only patrol and examine needs after the emissive power of regulating telegon 7 is carried out the label search, avoids searching too much label.In addition, for all labels that search, handheld terminal 3 can screen it according to unit, label place (label of same unit is a set of tags), be convenient to the label of same unit is carried out central access, cooperate again ranking function, sort by responsive, but more quick lock in arrives a certain specific label.Behind the lock tag, use GPS module and the map bag of handheld terminal 3 can help the personnel of patrolling and examining to determine the geographic position of advertisement, can carry out multiple interactive operation to this label afterwards, comprise basic reading tag information operating, (text description is recorded in label and handheld terminal this locality in violation of rules and regulations in record operation after the discovery violation situation, scene photograph is recorded in handheld terminal this locality in violation of rules and regulations, can cooperate during this time handheld terminal local data base query function that history is recorded in violation of rules and regulations and inquire about review), and the executable modification label data operation of high limiting operation personnel and modification cryptographic algorithm cipher key operation etc.All patrol and examine the equal real-time storage of content in handheld terminal, take back supervision center as patrolling and examining the result after finishing.Label is got back to dormant state automatically to save electric energy after not receiving the telegon signal some time.
Referring to accompanying drawing 3, the complete typically outdoor advertising process of supervision of having showed once of this figure.Whole process can be divided into hair fastener and patrol and examine two parts (two parts are independent separately, for ease of expressing, among the figure two parts are connected into an overall process and make an explanation).At first be the hair fastener part, connect background server 1, universal PC terminal 2 and card sender 9, carry out the hair fasteners operation by universal PC terminal 2 supporting programmed control card senders 9 to radio electronic label 5, simultaneously with the hair fastener Data Update to background server 1 master data base.Be responsible for construction and installation by advertiser behind RFID label 5 hair fasteners, RFID label 5 is embedded in the corresponding outdoor advertising by construction requirement, so far, the hair fastener process finishes.Then enter and patrol and examine part, connect first background server 1, universal PC terminal 2 and handheld terminal 3, the outdoor advertising historical data of using supporting program that target is patrolled and examined the zone is downloaded to handheld terminal, then patrols and examines personnel 10 and carries handheld terminal 3 and take inspection car 11 and go to target to patrol and examine the zone.Arrival is patrolled and examined behind the zone according to the predetermined route of patrolling and examining and at first the first set of tags is patrolled and examined (if patrol and examine this moment personnel 10 need to patrol and examine operation in inspection car 11 interior execution then need slow down the speed of a motor vehicle).Suppose that the first set of tags is placed in buildings 12 outside surfaces, patrol and examine personnel 10 operation handheld terminals 3 and finish first search and screening to the first set of tags, then reading tag data information.Whether then determine the outdoor advertising position by GPS module and the map bag of handheld terminal 3, watching advertisement has in violation of rules and regulations situation, if finding to have then carries out record to the violation scene at once, preserves at last and patrols and examines the result.Finish one by one after the patrolling and examining of first all labels of set of tags, patrolling and examining personnel 10 patrols and examines next group label according to patrolling and examining route with same flow process, suppose that next two groups of label placements are in another buildings 12 outside surfaces, the like, after patrolling and examining of all set of tags finished, patrol and examine personnel 10 and carry in store handheld terminal 3 of all patrolling and examining result data and take inspection car 11 and return supervision center.After getting back to supervision center handheld terminal 3 is accessed universal PC terminals 2, and connection background server 1, the result data of patrolling and examining that uses supporting program will be kept at handheld terminal 3 is uploaded to universal PC terminal 2, then use supporting program to put in order patrolling and examining result data in universal PC terminal 2, and will put the result in order and be updated to background server 1 master data base.At last, extract and print flow chart 8 and it is delivered to executive arm, do next step processing by executive arm.
Referring to accompanying drawing 4, the hair fastener operating process is, hair fastener operation beginning (illustrating for the 201st step), PC terminal card sender is by Ethernet interface or serial ports access universal PC (illustrating for the 202nd step), after the universal PC software kit is opened, confirm to connect the card sender success and confirm to connect background server master data base success (illustrating for the 203rd step), judge that label is new or old (illustrating for the 204th step), if new label hair fastener, power on then for new label, sealing (illustrating for the 205th step), if old label, Update Table then, judge whether old tag battery needs to change (illustrating for the 206th step), if battery needs to change, then change old tag battery, reseal (illustrating for the 207th step), label is put into card sender effectively read and write scope (illustrating for the 208th step), the number of times of hair fastener operation carried out in record to label, and initiation parameter i=0(illustrated for the 209th step), execution hair fastener operation writes label (illustrating for the 210th step) with data, the value of parameter i is added 1(illustrated for the 211st step), reading tag data, to confirm hair fastener success (illustrating for the 212nd step), judge whether success (illustrating for the 213rd step) of hair fastener, if not successful, whether the value of judging parameter i illustrated for the 214th step less than 3(), if i less than 3, then re-starts 210 steps, if i is not less than 3, then label is scrapped, reclaim (illustrating for the 215th step), and the situation of scrapping is registered to backstage master data base (illustrating for the 216th step), then redistribute new label and carry out 205 steps.If the hair fastener success in 213 steps, then label data is updated to rear with master data base (illustrating for the 217th step), label is given ad distribution unit's (illustrating for the 218th step), ad distribution unit is responsible for the construction and installation label and puts in place (illustrating for the 219th step), hair fastener EO (illustrating for the 220th step).
It is as follows to patrol and examine operating process, handheld terminal is by USB mouth access universal PC, the universal PC software kit is opened, the handheld terminal software kit is opened, login handheld terminal software kit, confirm that handheld terminal accesses successfully, confirm to connect the success of background server master data base, download target from master data base and patrol and examine regional outdoor advertising data to the handheld terminal local data base, guarantee that the handheld terminal electric weight is sufficient, carry out handheld terminal telegon self check operation and guarantee that telegon is working properly, close handheld terminal, go to target to patrol and examine the zone.After the arrival target is patrolled and examined the zone, go to first aim set of tags location.
Open the handheld terminal software kit, login handheld terminal software kit will be under the jurisdiction of the outdoor advertising electronic tag of same building thing or one group of marker here as a set of tags.Open the label manual search, selected suitable label search orientation, the label search position is to guarantee as far as possible targeted advertisements in visual range, distance is no more than radio-frequency module transmitting-receiving critical distance and more near better being advisable.The personnel of patrolling and examining should avoid mobile as far as possible, and keep the handheld terminal antenna up.If the personnel of patrolling and examining are in the mobile inspection car, need slow down as far as possible road speed, and the handheld terminal antenna is stretched out vehicle window slightly, to guarantee the label search quality.Finally can searching target labels, and the label signal quality can be accepted as deterministic retrieval orientation foundation.Optionally adjust range of search, can suspend first the label search, carry out again and adjust the range of search operation, reopen search behind the EO.After confirming to search target labels group label, stop the label search operation, available automatic search pattern automatically performs search operation repeatedly.The label that searches should comprise the label of all target labels groups.Carry out the screening operation, obtain the target labels group, and can carry out sorting operation by the different attribute of label, can sort according to every (label ID, magnitude of voltage, the signal quality etc.) of carrying out the label brief information that obtains behind the label search operation.Preserve this set of tags Search Results, read the partial data information of first label in the group, the selectively historical violation of inquiry tag record, have multiple inquiry mode to select, comprise current label recently in violation of rules and regulations record queries, the historical in violation of rules and regulations record queries of current label, inquire about all by date and the inquiry mode such as record in violation of rules and regulations.Optionally use navigation feature to determine the advertisement installation position, check whether this advertisement exists in violation of rules and regulations situation, if there is in violation of rules and regulations situation, describe in violation of rules and regulations situation (can select default description entry/self-defined description), record writes label in violation of rules and regulations, and preserves in this locality.Here label is only preserved the last record violating the regulations, optionally take in violation of rules and regulations scene photograph and preserve in this locality, then save data is to hand-held terminal, if there is no situation in violation of rules and regulations, directly save data judges to handheld terminal whether this group label patrols and examines end, if do not finish, then read the partial data information of next label in the group, repeat in violation of rules and regulations situation inspection.If this group label is patrolled and examined finish, judge that then whole target patrols and examines the zone and whether patrol and examine end, if do not finish, then go to the next one to patrol and examine target, repeat the process of patrolling and examining, until patrol and examine end.Finish if patrol and examine, then close handheld terminal, get back to supervision center, handheld terminal is accessed universal PC by the USB mouth, the universal PC software kit is opened, the handheld terminal software kit is opened, login handheld terminal software kit confirms that handheld terminal accesses successfully, confirms to connect the success of background server master data base, upload from the handheld terminal local data base and to patrol and examine the result to the PC software kit, filter out and detect label and the content thereof that data message is tampered, be organized into list, filter out and find in violation of rules and regulations label and the content violating the regulations thereof of situation, be organized into list, filter out the label that magnitude of voltage is lower than the established standards value, check out the label of failing to search, be organized into list, gather the complete result of patrolling and examining of arrangement and be updated to the background server master data base, above process PC software kit can be finished automatically.Carry out following flow process according to list: the label that (1) information is tampered enters information replacement flow process, and analyzes reason, revises the cryptographic algorithm key, strengthens system's anti-tampering protection.(2) there is the outdoor advertising of violations of rules and regulations to enter the blacklist flow process.(3) magnitude of voltage is crossed label low and that fail to search and is entered label replacing flow process.Patrol and examine EO.
Carry out to extract all violation records after data are processed to patrolling and examining the result, will record according to violation type (expiredly do not remove, have damaged situation, install lack of standardization etc.) classified finishing and become blacklist form and printing to put on record.According to advertiser under the blacklist notice violation outdoor advertising, require it in time to carry out respective handling (remove advertisement, repair breakage, corrective advertising information etc.) in setting time afterwards.After finishing processing, must submit the result report to supervision center, report should be enclosed the result photo.Supervision center is responsible for verifying report content, then according to result the database related content is upgraded as true, and as required corresponding advertisement tag is carried out the operations such as content modification or recovery, can consider that for finishing the advertisement of removing the next new advertisement of approval issue is to this advertisement position.Require in accordance with regulations to carry out processing such as the not true advertiser that then orders.For not finishing at the appointed time the advertiser that processes in violation of rules and regulations, will enter the pressure treatment scheme, and open penalty note and carry out administrative sanction.
Referring to accompanying drawing 5, the blacklist treatment scheme is, after the beginning (illustrating for the 301st step), print black list form (illustrating for the 302nd step), and put on record (illustrating for the 303rd step), notice is the affiliated advertiser of outdoor advertising in violation of rules and regulations, require time limit to process (illustrating for the 304th step), judge whether within the time limit, to receive result report (illustrating for the 305th step), if receive report, then verify report content whether true (illustrating for the 306th step), as not true, then order advertiser to require in accordance with regulations to carry out and process (illustrating for the 307th step), and within the time limit, again submit the result report to, repeat 305 steps, if true, then result is updated to master data base label is carried out corresponding operating (illustrate the 312nd step), and last blacklist flow process finishes (illustrating for the 313rd step).If 305 steps were not received the result report, expiration notice advertiser and check its disposition (illustrate the 308th step) then, judge whether advertiser has carried out processing (illustrating for the 309th step) on request, if advertiser has carried out processing on request, handed in result report (illustrating for the 310th step) retroactively, then carried out for the 312nd step, namely result is updated to master data base, label is carried out corresponding operating, and last blacklist flow process finishes (illustrating for the 313rd step).If advertiser has not carried out processing on request, then enter the pressure treatment scheme, and open penalty note and carry out administrative sanction, last blacklist flow process finishes (illustrating for the 313rd step).
Such as following table,
This table is the content of communication protocol and communicator agreement regulation between the wireless radio frequency modules of using among the present invention.Standard protocol specifies the form of general operation, exist as basic agreement, can not revise in the subsequent development, utilize this agreement not only can carry out the basic operation of communication module realizing the module basic function, and this agreement also be the explanation source to communication data packet.Supervise this specific application area for outdoor advertising, the present invention is derived from the basis of puppy parc and has been designed sub-protocol, to realize the raising to data transmission efficiency, and to the protection of distorting of label data, and to the information leakage prevention of risk.
Such as following table:
This table enumerates in detail and has explained that reading the obtainable necessary information of radio electronic label gathers.The radio-frequency module of electronic tag uses the cc2530 chip development, the details relevant with outdoor advertising are complete is stored in that (Flash provides the memory capacity that is not less than 12Kbytes to be used for the storage advertising message among the Flash in the sheet, can satisfy information quantity requirement), memory contents is as shown in Table.The information content has comprised the distribution to corresponding outdoor advertising, the position, specification, content, comprehensive description of the situations such as safety check is to realize the systematicness supervision to outdoor advertising, in addition, cruising to the violation situation of outdoor advertising is the key task of patrolling and examining, and the personnel of patrolling and examining can be according to the violation situation real-time update of watching in patrolling and examining situation record in violation of rules and regulations.Except the information relevant with advertisement, the reading electronic labels data can also obtain the information relevant with electronic tag itself, as shown in Table, these information can help the supervisor to confirm the label identity, whether discover label data is tampered, can instruct and patrol and examine operation, call tag is changed, and instructs label recycling etc.
The characteristics of the technology used in the present invention route comprise:
(1) the retrieval coverage of super large.The telegon of radio frequency electronic tag and handheld terminal has all adopted the 2.4GHz less radio-frequency module for reading and writing based on the cc2530 chip in the invention, cooperates antenna gain, and lower effective reading/writing distance is not less than 1000 meters according to circumstances.According to data, at present the high building in the whole city, Shanghai is the center, Shanghai (632 meters) in building, and therefore, the reading/writing distance scope that the present invention possesses can cover the arrangement situation of various outdoor advertisings fully.
(2) adjustable handheld terminal range of search, accurate screening location.Handheld terminal is supported the Adjustment operation to the telegon emissive power, thereby realize the control to range of search, the label filtration function that cooperates software, can navigate to accurately fast one group of target labels, the tag sorting function that cooperates again software, every (label ID, magnitude of voltage, signal quality etc.) according to the label brief information sort, and more can further navigate to a certain specific label.
(3) radio-frequency module adopts the DSSS(Direct Sequence Spread Spectrum), traffic rate is 250Kbps.
(4) radio-frequency module possesses anti-collision algorithm, has the ability of searching for simultaneously all electronic tags in the effective range.
(5) can effectively avoid the signal that causes because of the frequency range conflict to disturb.According to Chinese Wireless Management Committee regulation, for the general division of the frequency range of wireless communication field commonly used shown in following table (frequency range of wireless communication field commonly used is divided):
| Wireless communication field | Frequency range |
| The specialty intercom | V section: 136-174MHz; U section: 400-470MHz; |
| People's Armed Police's public security is used | 350-390MHz |
| Seashore is used | 220MHz |
| Traffic lights monitoring, air warning device | 223.025-235MHz |
| Amateurish using | 433MHz |
| Cluster is used | 800MHz |
| Mobile phone | 900MHz/180MHz |
Following table is that domestic mobile communication frequency range is divided:
The signal of wireless communication frequency band commonly used listed above is prevalent in the city, if also adopt identical frequency range during advertisement is patrolled and examined out of doors, then very easily causes signal to disturb.The electromagnetic frequency that the wireless radio frequency modules that adopts among the present invention produces is 2.4GHz, has avoided the generation of this conflict.
(6) reduced as much as possible communication dead angle.For the outdoor advertising position of buildings eminence, be easy to occur to paste wall dead angle phenomenon, in case namely handheld terminal is pressed close to this buildings periphery then can't be retrieved the situation of electronic tag signal.The signal frequency that wireless radio frequency modules of the present invention produces is 2.4GHz, can not only obtain stronger penetration capacity, cooperates the gain antenna through test, can guarantee that the 80 meters high situation smallest limits subsides in building wall distances are not more than 5 meters.
(7) wireless radio frequency modules of low-power consumption.Radio-frequency module among the present invention is taked low power dissipation design, module after powering on will be in the dormant state of low-power consumption for a long time, in case monitor the telegon signal then be waken up to finish operations, can automatically restore to dormant state behind the EO to reduce energy loss, thereby not only saved electric energy, also prolonged power supply serviceable life, normal military service duration is not less than 2 years after (new power) to have guaranteed once to power on each electronic tag.
(8) radio electronic label can install solar battery group additional to expand electric energy.
(9) radio-frequency module and software kit have all designed retransmission mechanism, guarantee still to realize to greatest extent data transmission under the situation of packet loss phenomenon appears in radio communication.
(10) the electronic tag performance index satisfy the outdoor study environmental requirement.Radio frequency electronic tag among the present invention is active label, adopts ABS high-intensity sealing shell, classification of waterproof IP65, and-40 to+100 degrees centigrade of environment are applicable, and mechanical property is good, and is wear-resisting, oil resistant, insulation, corrosion-resistant.The radio-frequency module working temperature is-25 to+125 degrees centigrade, and data kept the time limit greater than 10 years.
(11) electronic tag can be recycled, and meets the environmental protection theory.Label data can be repeatedly erasable, and erasable number of times is not less than 1000 times.In addition, adopt the ABS shell can effectively prevent external environment condition to the impact of tag performance, guarantee that be not less than 10 years the serviceable life of label.The reusable edible of label has well met the environmental protection concept of sustainable development.
(12) has standard communication protocol between the radio-frequency module that autonomous Design formulates.This agreement has been stipulated reading and writing data, label search, the inquiry of label voltage, the inquiry of label radiofrequency signal quality, limiting operation, telegon self check, and the command format of the basic operation such as telegon power adjustment.Whether the packet that utilizes this agreement to check to receive is complete, explains source as packet, can realize that accurate data unpack, and avoid producing the mess code phenomenon.On the basis of this standard agreement, can derive from self-defined sub-protocol, to realize more specific demand, for example analyzed the length of each data item of storage in the label among the present invention, then reach the effect of giving full play to RF module performance by the customization sub-protocol, realized the raising of data transmission efficiency.
(13) self-defining communicator agreement is supported dual anti-tamper mechanism.For preventing that the electronic tag content is tampered, the communicator agreement between radio-frequency module has been stipulated encrypted form and the key of data.On the other hand, sub-protocol has also been stipulated the check code relevant with label substance, and this check code has read only attribute, and the verification code value is according to the dynamic change of label partial data content, in case content is tampered then code value change.Patrol and examine handheld terminal reading tag check code in the process, check with this label normal verification code of storing in the local data base, different such as code value, then label substance is tampered (do not need to check all data, only check check code and can verify whether label substance is tampered).So far, stipulated the radio-frequency module operational format by standard communication protocol, sub-protocol has been stipulated the data encryption form, the data check code, and by this series of measures, reality has realized triple anti-tampering protections.
(14) label data adopts the AES cryptographic algorithm, the risk that leaks to reduce data message.Algorithm secret key is stipulated by self-defined communicator agreement, and can be revised.
(15) software kit is with authority mode control operation behavior.Taked the control of authority system for the function of software kit among the present invention, thereby the classification that has realized function is open.Higher level operation personnel with high authority can use complete operating function after by the key login.The common personnel of patrolling and examining for low rights then only provide limited operating function.
(16) can make by supporting program that to carry out data between handheld terminal database and the background server master data base synchronous, the outdoor advertising supervision data that two-way renewal is up-to-date.
(17) has comprehensively efficiently violation situation processing power.The fundamental purpose that outdoor advertising is patrolled and examined is whether the outdoor advertising of watching in the target area exists in violation of rules and regulations situation, handheld terminal program of the present invention can provide to outdoor advertising in violation of rules and regulations situation carry out the text description record and (have default the description and self-defined description dual mode, be recorded in label and the handheld terminal local data base) and two kinds of recording modes of on-the-spot film recording (being recorded in the handheld terminal local data base), patrol and examine in the process in case find to have in violation of rules and regulations situation, can do easily lower record (text description record can be written to corresponding electronic tag in preservation) in this locality, patrol and examine and again record is uploaded to the PC terminal after the end and does further processing.Simultaneously, the handheld terminal program also provides the multiple inquiry mode that records in violation of rules and regulations in the local data base, so that can inquire about fast and effectively all historical in violation of rules and regulations records of target area in the process of patrolling and examining.
(18) really realize the science regulatory format of based on database.The inner all data of the supervisory systems that the present invention sets up all are stored in the background server master data base (when card sender is carried out hair fastener or data modification process to master data base real-time update hair fastener data or Update Table, all are patrolled and examined the result and be updated to master data base after arrangements), and the whole process of patrolling and examining starts from this database (patrol and examine front handheld terminal and patrol and examine area data to local data base from master data base download target), after routine inspection mode by high efficient and reliable obtains up-to-date outdoor advertising data, final result returns again master data base, the present invention has guaranteed the reliability of each link during this, putting before this, just really realizing the Scientific Management Model of proper based on database.
(19) handheld terminal carries GPS module and map bag, has label search station-keeping ability and violation situation processing power.Conveniently patrol and examine the geographic position of determining electronic tag in the process.
The above only is preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (7)
1. outdoor advertising supervisory systems based on RFID, it is characterized in that: comprise background server, the PC terminal, handheld terminal, card sender and active RFID tag, the database of outdoor advertising is installed in the described background server, described PC terminal can be accessed the database of described background server, described PC terminal is carried out initialization by described card sender to described active RFID tag, described active RFID tag is installed in the described outdoor advertising, carry out data read-write operation by the less radio-frequency module for reading and writing between described handheld terminal and the described active RFID tag, described handheld terminal can be undertaken by the database of described PC terminal and background server synchronously.
2. the outdoor advertising supervisory systems based on RFID according to claim 1, it is characterized in that: the effective communication distance between described handheld terminal and the described active RFID tag is greater than 1000 meters.
3. the outdoor advertising supervisory systems based on RFID according to claim 1 is characterized in that: described radio frequency module for reading and writing adopts direct sequence spread spectrum skill to carry out data and transmits, and its traffic rate is 250Kbps, and rf frequency is 2.4GHz.
4. the outdoor advertising supervisory systems based on RFID according to claim 1, it is characterized in that: described radio frequency module for reading and writing carries out communication by the communication protocol between radio-frequency module, described communication protocol is supported anti-tamper mechanism, has anti-collision algorithm and retransmission mechanism.
5. each described outdoor advertising supervisory systems based on RFID in 4 according to claim 1, it is characterized in that: the data communication device of described active RFID tag is crossed and is carried out alternately with described handheld terminal after AES encrypts, and AES cryptographic algorithm cipher key user can be self-defined.
6. each described outdoor advertising supervisory systems based on RFID in 4 according to claim 1 is characterized in that: the power acquisition of described active RFID tag is with solar cell or lithium Fe battery.
7. each described outdoor advertising supervisory systems based on RFID in 4 according to claim 1, it is characterized in that: described handheld terminal carries GPS module and map bag.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012103507409A CN102903049A (en) | 2012-09-20 | 2012-09-20 | Outdoor advertizing supervisory system based on RFID (radio frequency identification) |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103507409A CN102903049A (en) | 2012-09-20 | 2012-09-20 | Outdoor advertizing supervisory system based on RFID (radio frequency identification) |
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| CN102903049A true CN102903049A (en) | 2013-01-30 |
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| CN2012103507409A Pending CN102903049A (en) | 2012-09-20 | 2012-09-20 | Outdoor advertizing supervisory system based on RFID (radio frequency identification) |
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