CN103839088A - Electronic label system based on near-distance wireless communication technology, and electronic label updating method - Google Patents
Electronic label system based on near-distance wireless communication technology, and electronic label updating method Download PDFInfo
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- CN103839088A CN103839088A CN201210478718.2A CN201210478718A CN103839088A CN 103839088 A CN103839088 A CN 103839088A CN 201210478718 A CN201210478718 A CN 201210478718A CN 103839088 A CN103839088 A CN 103839088A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses an electronic label system based on a near-distance wireless communication technology, and an electronic label updating method. The electronic label system comprises multiple electronic labels, an NFC device and a system server. The electronic labels are respectively placed beside corresponding goods. Near-distance wireless communication is carried out between the NFC device and the system server, and between the NFC device and each electronic label. The electronic label updating method comprises: registering a goods information database in the system server, and downloading the updating content of each electronic label to the NFC device; and holding the NFC device to successively approach each electronic label needing to be updated so as to finish updating of display contents of the electronic labels. The system provided by the invention has the advantages of low power consumption, high communication rate, no communication blind areas, high anti-interference performance and the like. The method provided by the invention has the advantages of convenient operation, high communication reliability and the like. Therefore, the system and method provided by the invention can be widely applied to places such as warehouses, supermarkets and the like.
Description
Technical field
The update method that the present invention relates to a kind of electronic labelling system based on the short distance wireless communication technology and the electronic tag displaying contents based on this electronic labelling system realization, belongs to electronic tag communication field.
Background technology
At present, supermarket, the existing electronic labelling system that the places such as warehouse are used is generally segment encode electronic labelling system or dot matrix electronic labelling system, the mechanics of communication that these electronic labelling systems use is the active RFID communication technology, the advantage of the active RFID communication technology is to support multiple radio band communication, communication distance is far away, wireless communication rate is fast etc., but, it also exists radio communication power consumption large, communication process is easily disturbed, under communication situation often there is communication dead angle (blind area) in active RFID, in communication process, data are made mistakes and are difficult for being found, the defects such as base station range is limited, be badly in need of further solving.
Summary of the invention
The object of the present invention is to provide a kind of electronic labelling system based on the short distance wireless communication technology and the electronic tag update method based on this electronic labelling system realization, that system of the present invention has is low in energy consumption, traffic rate fast, without the advantage such as communication blind district, strong interference immunity, the inventive method can be upgraded fast to the displaying contents of electronic tag, has simple operation, communication reliability advantages of higher.
To achieve these goals, the present invention has adopted following technical scheme:
A kind of electronic labelling system based on the short distance wireless communication technology, it is characterized in that: it comprises multiple electronic tags, NFC communication facilities and system server, wherein: each this electronic tag is placed on respectively by corresponding commodity, between this NFC communication facilities and this system server, carry out close range wireless communication via WIFI network, between this NFC communication facilities and each this electronic tag, carry out close range wireless communication via WIFI network.
Described electronic tag comprises controls processing module, NFC communication module, memory module, signal detection module, display screen, wherein: the signal end of this NFC communication module, memory module, signal detection module, display screen is connected with the corresponding I/O end in this control processing module respectively.Described display screen is dot matrix display or segment code type display screen or smectic liquid crystal display screen.
Described NFC communication facilities is NFC mobile phone or NFC PDA.
The electronic tag update method realizing based on described electronic labelling system, is characterized in that, it comprises the steps:
Step 1: by the information of goods information data storehouse in system server described in described WIFI network entry, using in this information of goods information data storehouse, store each described in the displaying contents of electronic tag download in described NFC communication facilities as update content;
Step 2: hand-held described NFC communication facilities successively near need upgrade each described in electronic tag, make to carry out close range wireless communication between described NFC communication facilities and this each described electronic tag that need to upgrade, complete the renewal of electronic tag displaying contents described in each that described NFC communication facilities need to upgrade this, wherein: when the close each described electronic tag that needs renewal of described NFC communication facilities, the concrete steps that complete displaying contents renewal are:
Step 2-1: described NFC communication facilities sends corresponding update content via described WIFI network to the described electronic tag that this need to upgrade, and realizes writing of update content;
Step 2-2: write after this described electronic tag that need to upgrade read back this update content of writing and carry out verification of described NFC communication facilities when completing update content;
Step 2-3: if verification is not passed through, return and re-execute step 2-1; If verification is passed through, described NFC communication facilities is moved apart, in the time that this described electronic tag that need to upgrade detects that described NFC communication facilities leaves, this described electronic tag that need to upgrade judges that current whether needs carry out display update, enters step 2-4;
Step 2-4: upgrade if do not need, finish this time to upgrade operation; If desired upgrade, this described electronic tag that need to upgrade demonstrates this update content writing from described NFC communication facilities.
In described step 2, in the time of the close described electronic tag that needs renewal of described NFC communication facilities, if described NFC communication facilities does not detect the described electronic tag that this need to upgrade, finish this time to upgrade operation, if described NFC communication facilities detects the described electronic tag that this need to upgrade,, in described step 2-1, described NFC communication facilities sends corresponding described update content after pre-service, is sent in this described electronic tag that need to upgrade.Described transmission pre-service comprises the processing that the described update content to sending is encoded, encryption, steering order embed.
In described step 2-1, described NFC communication facilities sends corresponding update content to the described electronic tag that need to upgrade and realizes as follows: the unique number or the bar code that scan the described commodity that need the other placement of electronic tag of upgrading, determine the described sequence number that needs the electronic tag upgrading, by this sequence number, send find corresponding update content in described NFC communication facilities after.
Or, in described step 2-1, described NFC communication facilities sends corresponding update content to the described electronic tag that need to upgrade and realizes as follows: described NFC communication facilities is by reading the sequence number of storing in the described electronic tag that needs to upgrade, in described NFC communication facilities, the described corresponding update content of electronic tag of upgrading that needs is searched, then send.
In described step 2-4, show that described update content comprises step: the described update content writing is decoded, deciphered, then the corresponding displaying contents on described electronic tag is upgraded to demonstration.
Advantage of the present invention is: system of the present invention have low in energy consumption, traffic rate fast, without the advantage such as communication blind district, strong interference immunity, the inventive method has simple operation, communication reliability advantages of higher, system and method of the present invention can be widely used in the place such as warehouse, supermarket, and advantage is specially:
1, system of the present invention is used the short distance wireless communication technology to carry out the communication between system server and NFC communication facilities and between NFC communication facilities and electronic tag, compared with the active RFID communication technology using with existing electronic labelling system, the short distance wireless communication technology does not need time opening radio frequency detected wireless signals, low in energy consumption, power consumption when electronic tag standby is zero, improved the serviceable life of electronic tag, in addition, system of the present invention can not be subject to the restriction of base station range.
2, system of the present invention does not have communication blind district, use NFC communication facilities just can realize refreshing electronic tag displaying contents near electronic tag, communication reliability is high, when short-range communication, as long as the electric weight abundance of NFC communication facilities, just can there is not interference problem from system server reading out data and to electronic tag data writing in NFC communication facilities.In addition, the traffic rate of system of the present invention is fast, and short-range communication speed maximum can reach tens kbps.
3, the inventive method can be upgraded fast to the displaying contents of electronic tag, simple operation, support dot matrix and code word data transmission, support NFC communication facilities to refresh, data communication is reliable, the cryptographic algorithm using in the inventive method is reliable, has solved the problem that other users attempt to distort electronic tag displaying contents.In addition, the inventive method has been carried out data check in communication process, can guarantee to find in time the data of erroneous transmissions, has improved communication efficiency.
Accompanying drawing explanation
Fig. 1 is the composition schematic diagram of electronic labelling system of the present invention.
Embodiment
The present invention proposes a kind of electronic labelling system based on the short distance wireless communication technology, as shown in Figure 1, it comprises multiple electronic tags 10 for display of commodity relevant information, NFC(near field communication (NFC), the abbreviation of Near Field Communication) communication facilities 20 and system server 30, wherein: it is other that each this electronic tag 10 is placed on respectively corresponding commodity 50, between this NFC communication facilities 20 and this system server 30, can be written as again Wi-Fi via WIFI(, that one can be by PC, handheld device is (as PDA, mobile phone) etc. terminal with the interconnected technology of wireless mode) network carries out close range wireless communication (wireless connections mode), between this NFC communication facilities 20 and each this electronic tag 10, carry out close range wireless communication (wireless connections mode) via WIFI network.
In practice, the quantity of NFC communication facilities 20 is at least one.Wireless telecommunications between NFC communication facilities 20 and electronic tag 10 are mainly the renewals for realizing electronic tag displaying contents.
In actual design, electronic tag 10 can comprise controls processing module, NFC communication module (referring to have the module of NFC communication function), memory module, signal detection module, display screen, wherein: the signal end of this NFC communication module, memory module, signal detection module, display screen is connected with the corresponding I/O end in this control processing module respectively.This electronic tag 10 can be powered with button cell.
Further, the display screen of electronic tag 10 can be dot matrix display or segment code type display screen or smectic liquid crystal display screen.
This smectic liquid crystal display screen (claiming again smectic liquid crystal display screen) can comprise two base layers, in the middle of these two base layers, be provided with a mixolimnion, this mixolimnion is formed by smectic liquid crystal and additives mixed, be provided with conductive electrode layer at these two base layers towards a side of this mixolimnion, this conductive electrode layer is connected with the corresponding I/O end of controlling in processing module via driver module.Disclosed smectic liquid crystal display screen in the Chinese invention patent " driving circuit for smectic state LCD display " that smectic liquid crystal display screen can be ZL200710304409.2 referring to the patent No..
In actual design, this NFC communication facilities (referring to have the communication facilities of NFC communication function) 20 can be NFC mobile phone or NFC PDA(PDA is the abbreviation of Personal Digital Assistant, claims again palm PC).
In electronic labelling system of the present invention, the control processing module of NFC communication facilities 20, system server 30, electronic tag 10, NFC communication module, memory module, signal detection module, dot matrix display, segment code type display screen, smectic liquid crystal display screen are well-known device or equipment, no longer here describe in detail.
Based on above-mentioned electronic labelling system, the invention allows for a kind of electronic tag update method, it comprises the steps:
Step 1: user, by the information of goods information data storehouse in WIFI network entry system server 30, downloads to the displaying contents of each electronic tag 10 of storing in this information of goods information data storehouse (displaying contents is herein up-to-date displaying contents) in NFC communication facilities 20 as update content;
Step 2: the hand-held NFC communication facilities 20 of user is successively near each electronic tag 10 that needs to upgrade, make to carry out close range wireless communication between NFC communication facilities 20 and this each electronic tag 10 that need to upgrade, complete the renewal of NFC communication facilities 20 to these each electronic tag 10 displaying contents that need to upgrade, wherein: when the NFC communication facilities 20 close each electronic tag 10 that needs renewal, the concrete steps that complete displaying contents renewal are:
Step 2-1:NFC communication facilities 20 sends corresponding update content via WIFI network to the electronic tag 10 that this need to upgrade, realize writing (in practice of update content, write and refer to that the control processing module control NFC communication module of electronic tag 10 and NFC communication facilities 20 carry out wireless near field communication, thereby receive update content and be stored in memory module);
Step 2-2: write after this electronic tag 10 that need to upgrade when completing update content, read back this update content of writing and carry out verification (in practice of NFC communication facilities 20, read back and refer to that NFC communication facilities 20 sends data check order via NFC communication module to controlling processing module, postbacks the update content of just having stored in memory module to NFC communication facilities 20 and carries out data check so that control processing module);
Step 2-3: if verification is not passed through, return and re-execute step 2-1, if verification is passed through, NFC communication facilities 20 is moved apart to the electronic tag 10 that this need to upgrade, leave (detection of leaving is that the radio-frequency (RF) energy of NFC communication facilities 20 being launched by the signal detection module of electronic tag 10 has detected) during when this electronic tag 10 that need to upgrade detects NFC communication facilities 20, the electronic tag 10 that this need to upgrade judges currently whether need to carry out display update (this renewal judgement is that the instruction that electronic tag 10 sends by the control processing module of self is carried out, instruction can comprise upgrades displaying contents instruction, commodity binding instruction, sequence number update instruction etc.), enter step 2-4,
Step 2-4: upgrade if do not need, finish this time to upgrade operation; If desired upgrade, the electronic tag 10 that this need to upgrade demonstrates this update content writing from NFC communication facilities 20 (this demonstration is by controlling processing module, display screen to be controlled, and is demonstrated by display screen).
The displaying contents of each electronic tag 10 of storing in information of goods information data storehouse in actual use, can comprise goods number, trade name, commodity price, inspection goods quantity.
In step 2, in the time of the NFC communication facilities 20 close electronic tag 10 that needs renewal, if NFC communication facilities 20 does not detect the electronic tag 10 that this need to upgrade, finish this time to upgrade operation, otherwise, if NFC communication facilities 20 detects the electronic tag 10 that this need to upgrade, in step 2-1, click the transmission button on NFC communication facilities 20 or start voluntarily and send instruction by NFC communication facilities 20 by user, NFC communication facilities 20 sends corresponding update content after pre-service, is sent in this electronic tag that need to upgrade.
In actual design, this transmission pre-service can comprise the processing of encoding the update content to sending (data compression), encryption, steering order embedding.And, in practice, if adopt segment code type display screen, the data in update content are code word data, if employing dot matrix display, the data in update content are dot array data, if adopt smectic liquid crystal display screen, the data in update content can be code word data or dot array data, and visual display needs and determines.
Can adopt the technology such as Run-Length Coding, BTC coding, huffman coding to the coding of data here.Encryption can be taked image encryption algorithm, and data are carried out to scramble processing.Steering order embedding is that the NFC communication facilities in order to prevent other causes interference, and the embedded location of steering order can be determined according to first byte of data.
In step 2-1, can take two kinds of methods to realize NFC communication facilities 20 and send corresponding update content to the electronic tag 10 of needs renewal.First method is: scanning needs unique number or the bar code of the electronic tag 10 other commodity 50 of placing that upgrade, determine the sequence number that needs the electronic tag 10 upgrading, by this sequence number, send find corresponding update content in NFC communication facilities 20 after.Second method is: NFC communication facilities 20 is by reading the sequence number that needs the electronic tag 10 interior storages of upgrading, and the corresponding update content of electronic tag 10 of in NFC communication facilities 20, needs being upgraded is searched, and then sends.
In step 2-2, because of the information that update content comprises more, make mistakes for preventing data writing, NFC communication facilities 20 update content that retaking of a year or grade goes out to write from the memory module of electronic tag 10 is carried out data check, to guarantee the correctness of data writing, if data writing mistake, also can retransmit in time.
In step 2-4, display update content comprises step: the update content writing is decoded, deciphered (unrest is inverted), then the corresponding displaying contents on electronic tag 10 is upgraded to demonstration.
In the methods of the invention, encoding and decoding, encryption, deciphering and steering order embed the technology of knowing that is this area of processing, and here no longer describe in detail.
Advantage of the present invention is:
1, system of the present invention is used the short distance wireless communication technology to carry out the communication between system server and NFC communication facilities and between NFC communication facilities and electronic tag, compared with the active RFID communication technology using with existing electronic labelling system, the short distance wireless communication technology does not need time opening radio frequency detected wireless signals, low in energy consumption, power consumption when electronic tag standby is zero, improved the serviceable life of electronic tag, in addition, system of the present invention can not be subject to the restriction of base station range.
2, system of the present invention does not have communication blind district, use NFC communication facilities just can realize refreshing electronic tag displaying contents near electronic tag, communication reliability is high, when short-range communication, as long as the electric weight abundance of NFC communication facilities, just can there is not interference problem from system server reading out data and to electronic tag data writing in NFC communication facilities.In addition, the traffic rate of system of the present invention is fast, and short-range communication speed maximum can reach tens kbps.
3, the inventive method can be upgraded fast to the displaying contents of electronic tag, simple operation, support dot matrix and code word data transmission, support NFC communication facilities to refresh, data communication is reliable, the cryptographic algorithm using in the inventive method is reliable, has solved the problem that other users attempt to distort electronic tag displaying contents.In addition, the inventive method has been carried out data check in communication process, can guarantee to find in time the data of erroneous transmissions, has improved communication efficiency.
Above-mentioned is preferred embodiment of the present invention and the know-why used thereof; for a person skilled in the art; in the situation that not deviating from the spirit and scope of the present invention; any apparent change such as equivalent transformation, simple replacement based on technical solution of the present invention basis, within all belonging to protection domain of the present invention.
Claims (10)
1. the electronic labelling system based on the short distance wireless communication technology, it is characterized in that: it comprises multiple electronic tags, NFC communication facilities and system server, wherein: each this electronic tag is placed on respectively by corresponding commodity, between this NFC communication facilities and this system server, carry out close range wireless communication via WIFI network, between this NFC communication facilities and each this electronic tag, carry out close range wireless communication via WIFI network.
2. electronic labelling system as claimed in claim 1, is characterized in that:
Described electronic tag comprises controls processing module, NFC communication module, memory module, signal detection module, display screen, wherein: the signal end of this NFC communication module, memory module, signal detection module, display screen is connected with the corresponding I/O end in this control processing module respectively.
3. electronic labelling system as claimed in claim 2, is characterized in that:
Described display screen is dot matrix display or segment code type display screen or smectic liquid crystal display screen.
4. electronic labelling system as claimed in claim 1, is characterized in that:
Described NFC communication facilities is NFC mobile phone or NFC PDA.
5. the electronic tag update method realizing based on the electronic labelling system described in any one in claim 1 to 4, is characterized in that, it comprises the steps:
Step 1: by the information of goods information data storehouse in system server described in described WIFI network entry, using in this information of goods information data storehouse, store each described in the displaying contents of electronic tag download in described NFC communication facilities as update content;
Step 2: hand-held described NFC communication facilities successively near need upgrade each described in electronic tag, make to carry out close range wireless communication between described NFC communication facilities and this each described electronic tag that need to upgrade, complete the renewal of electronic tag displaying contents described in each that described NFC communication facilities need to upgrade this, wherein: when the close each described electronic tag that needs renewal of described NFC communication facilities, the concrete steps that complete displaying contents renewal are:
Step 2-1: described NFC communication facilities sends corresponding update content via described WIFI network to the described electronic tag that this need to upgrade, and realizes writing of update content;
Step 2-2: write after this described electronic tag that need to upgrade read back this update content of writing and carry out verification of described NFC communication facilities when completing update content;
Step 2-3: if verification is not passed through, return and re-execute step 2-1; If verification is passed through, described NFC communication facilities is moved apart, in the time that this described electronic tag that need to upgrade detects that described NFC communication facilities leaves, this described electronic tag that need to upgrade judges that current whether needs carry out display update, enters step 2-4;
Step 2-4: upgrade if do not need, finish this time to upgrade operation; If desired upgrade, this described electronic tag that need to upgrade demonstrates this update content writing from described NFC communication facilities.
6. electronic tag update method as claimed in claim 5, is characterized in that:
In described step 2, in the time of the close described electronic tag that needs renewal of described NFC communication facilities, if described NFC communication facilities does not detect the described electronic tag that this need to upgrade, finish this time to upgrade operation, if described NFC communication facilities detects the described electronic tag that this need to upgrade,, in described step 2-1, described NFC communication facilities sends corresponding described update content after pre-service, is sent in this described electronic tag that need to upgrade.
7. electronic tag update method as claimed in claim 6, is characterized in that:
Described transmission pre-service comprises the processing that the described update content to sending is encoded, encryption, steering order embed.
8. electronic tag update method as claimed in claim 5, is characterized in that:
In described step 2-1, described NFC communication facilities sends corresponding update content to the described electronic tag that need to upgrade and realizes as follows:
Scan described unique number or the bar code that needs the other commodity of placing of electronic tag that upgrade, determine the described sequence number that needs the electronic tag upgrading, by this sequence number, send find corresponding update content in described NFC communication facilities after.
9. electronic tag update method as claimed in claim 5, is characterized in that:
In described step 2-1, described NFC communication facilities sends corresponding update content to the described electronic tag that need to upgrade and realizes as follows:
Described NFC communication facilities, by reading the sequence number of storing in the described electronic tag that needs to upgrade, is searched the described corresponding update content of electronic tag of upgrading that needs in described NFC communication facilities, then sends.
10. electronic tag update method as claimed in claim 5, is characterized in that:
In described step 2-4, show that described update content comprises step: the described update content writing is decoded, deciphered, then the corresponding displaying contents on described electronic tag is upgraded to demonstration.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210478718.2A CN103839088A (en) | 2012-11-22 | 2012-11-22 | Electronic label system based on near-distance wireless communication technology, and electronic label updating method |
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| CN201210478718.2A CN103839088A (en) | 2012-11-22 | 2012-11-22 | Electronic label system based on near-distance wireless communication technology, and electronic label updating method |
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| CN110647527A (en) * | 2019-08-30 | 2020-01-03 | 北京百度网讯科技有限公司 | Big data-based invalid label clearing method and device, equipment and readable medium |
| WO2020024560A1 (en) * | 2018-08-01 | 2020-02-06 | 浙江汉朔电子科技有限公司 | Electronic tag, near field communication device and working method |
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| CN112104983A (en) * | 2020-09-15 | 2020-12-18 | 努比亚技术有限公司 | Electronic price tag roaming method and device and computer readable storage medium |
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| CN115479448A (en) * | 2022-09-30 | 2022-12-16 | 海信冰箱有限公司 | Refrigerator and power consumption query method thereof |
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Application publication date: 20140604 |