CN102306267A - Low-power-consumption electronic tag system - Google Patents
Low-power-consumption electronic tag system Download PDFInfo
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- CN102306267A CN102306267A CN201110223975A CN201110223975A CN102306267A CN 102306267 A CN102306267 A CN 102306267A CN 201110223975 A CN201110223975 A CN 201110223975A CN 201110223975 A CN201110223975 A CN 201110223975A CN 102306267 A CN102306267 A CN 102306267A
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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 relates to a low-power-consumption electronic tag system which comprises a server, a base station, a subbase station and low-power-consumption electronic tags. The server is used for updating and backing up goods data information; the base station is connected with the server and is used for receiving, packaging the updated goods data information and emitting an awakening signal based on an emission period Tt; the subbase station is connected wirelessly with the base station, the opening time of the subbase station is Tr, 2Tt is not more than Tr, and the subbase station receives and stores the corresponding goods data information if the base station emits the awakening signal to the subbase station within an awakening time; and each low-power-consumption electronic tag has a barcode number and timely awakens and accesses the subbase station connected with each low-power-consumption electronic tag. The electronic tag system disclosed by the invention can effectively guarantee that the subbase station and the electronic tags corresponding to the subbase station can be immediately awakened and data information can be received and updated. The electronic tag system disclosed by the invention has the advantages of low power consumption, environmental friendliness and convenience.
Description
Technical field
The present invention relates to a kind of low power dissipation electron tag system that is applicable to occasions such as supermarket, warehouse shelf.
Background technology
Occasions such as existing supermarket, warehouse more are to adopt paper labels or low frequency wireless identification tag.The shortcoming that paper labels exists labor intensive, material resources and is prone to make mistakes, and very not environmental protection.Though low frequency wireless identification tag power consumption is reduced, there are shortcomings such as transfer rate is very low, communication distance near, wiring complicacy.
The high frequency radio subtab is a developing tendency in future, and it has, and communication line is simple, transfer rate piece, distance, and advantages such as low-power consumption are the emphasis of research at present.
Summary of the invention
The purpose of this invention is to provide a kind of low-power consumption, environmental protection, electronic labelling system efficiently.
For achieving the above object, the technical scheme that the present invention adopts is:
A kind of low power dissipation electron tag system is used for supermarket, warehouse etc. commodity is managed, and it comprises server, base station, subbase station, low power dissipation electron label;
Operation commodity information management software is used for upgrading, backing up commodity data information on the described server;
Described base station is connected through wired or wireless mode with described server, is used to receive and encapsulate the commodity data information of described renewal, and the wake-up signal of emission after encapsulation, and the transmit cycle of setting wake-up signal is Tt;
Described subbase station is connected with described base station radio; The opening time of setting described subbase station is Tr; And described transmit cycle Tt and opening time Tr satisfy 2Tt≤Tr; Described subbase stood in the opening time, if detecting described base station launches described wake-up signal to it, its reception is also stored corresponding commodity data information;
Each described low power dissipation electron label has unique within the specific limits bar code number with a corresponding connection in described subbase station and each described low power dissipation electron label; Described low power dissipation electron label comprises the display module that shows described commodity data information; Described low power dissipation electron label timing wake-up is also visited the described subbase station with its corresponding connection; When storing the commodity data information of described renewal in the described subbase station, described low power dissipation electron label reads the commodity data information of described renewal to realize himself updating data.
Preferably; Described low power dissipation electron tag system also comprises scanister; Described scanister is used to scan the bar code number of described low power dissipation electron label and the bar code of commodity also forms electronic tag and commodity mapping table on this basis, through wired or wireless mode described mapping table is transferred to described server.Because Nyquist's theorem is applied in this electronic labelling system, can guarantee effectively to receive that subbase station and electronic tag corresponding with it can in time be waken up and receive, information Updates Information.
Preferably, be connected through wired RS485 EBI or wired CAN EBI or other wireline interfaces or wireless WIFI interface or wireless RF interface or other wave point between described server and the described base station and carry out data communication.
Preferably, described base station comprises the transmitter module that is connected with described server and receives the information updating processor of described commodity data information, the microcontroller that is connected with described information updating processor, be connected with described microcontroller; Described information updating processor is connected through USB interface with described microprocessor and transmits described commodity data information; Described commodity data information is passed to described microprocessor and after encrypting, pack, compressing, is passed to described transmitter module therein by described information updating processor, and described transmitter module is launched described wake-up signal.
Preferably, described wake-up signal comprises and wakes sign indicating number, id information, commodity data information, check code up;
The described sign indicating number that wakes up is by forming except 0x00 and a pair of code word the 0xFF, and radix-minus-one complement each other between the described a pair of code word, and described waking up yard is used to guarantee that described subbase station is waken up;
The whether needs storage of commodity data information of described renewal is judged according to described id information in described subbase station, and described id information is made up of 32bit, and described id information is corresponding one by one with described subbase station;
Described commodity data information comprises one or more the combination in image, literal, numeral, special symbol, the bar code;
Described check code adopts CRC-16 sign indicating number or CRC-32 sign indicating number.
Preferably, described low power dissipation electron label also comprise receiver module, with the decoder module that described receiver module is connected, described display module is connected with described decoder module; Described decoder module reads the commodity data information in the described receiver module and it is decoded, deciphers, and is sent to then in the described display module, and described display module shows described commodity data information.
Preferably, described display module comprises display panel, and described display panel is common liquid crystals screen or electronic-paper display screen or the low-power consumption multistable smectic liquid crystal display panel with dot matrix display mode.
Preferably, described low power dissipation electron label adopts the button cell power supply.
Preferably, the frequency range that adopts of the wireless connections between described base station and the described subbase station is the high-frequency band of 315MHz or 433MHz or 868MHz or 915MHz or 2.4GHz.Because this electronic labelling system adopts above-mentioned high-frequency band, can effectively reduce power consumption, and can guarantee enough fast data rate.
Preferably, the cycle T t that launches described wake-up signal comprises the transmission data phase, sends ending phase, and the time of described transmission data phase is Tw, and Tw is 10 μ s ~ 10ms, and Tt is 10 μ s ~ 10ms, and Tt >=Tw; The opening time of described receiver module is that Tr is 1ms ~ 10ms.
This low power dissipation electron tag system can guarantee effectively that subbase station and low power dissipation electron label corresponding with it can in time be waken and receive, upgrade up commodity data information, low in energy consumption and environmental protection, quick.
Description of drawings
Accompanying drawing 2 is the structured flowchart of the transmitting base station of low power dissipation electron tag system of the present invention.
Accompanying drawing 3 is the emission wake-up signal cycle of low power dissipation electron tag system of the present invention and the open-interval graph of a relation of receiver module.
Accompanying drawing 4 is the form synoptic diagram of the data message of low power dissipation electron tag system of the present invention.
Accompanying drawing 5 is the reception subbase station of low power dissipation electron tag system of the present invention and the structured flowchart of electronic tag.
Embodiment
Below in conjunction with embodiment shown in the drawings the present invention is further described.
Embodiment one: shown in accompanying drawing 1.
A kind of low power dissipation electron tag system is used for supermarket, warehouse etc. commodity is managed, and it comprises server, base station, a plurality of subbases station, a plurality of low power dissipation electron label, scanister.
Operation commodity information management software is used for upgrading, backing up commodity data information on the server.Server can be connected by the POS machine.
The quantity of base station is 1 ~ 2000, is connected through wired RS485 EBI or wired CAN EBI or other wireline interfaces or wireless WIFI interface or wireless RF interface or other wave point between server and the base station and carries out data communication.The base station comprises the transmitter module that is connected with server and receives the information updating processor of commodity data information, the microcontroller that is connected with the information updating processor, be connected with microcontroller.Shown in accompanying drawing 2, the information updating processor can be selected PC, and microprocessor can be selected the PIC18F family chip of low-power consumption, and the information updating processor is connected through USB interface with microprocessor and transmits commodity data information.Commodity data information is passed to microprocessor and after encrypting, pack, compressing, is passed to transmitter module therein, the wake-up signal of transmitter module emission after encapsulation by the information updating processor.Shown in accompanying drawing 3, the transmit cycle of setting wake-up signal is Tt, and Tt comprises the transmission data phase, sends ending phase, and the time of sending data phase is Tw.
Shown in accompanying drawing 4; Wake-up signal comprises following a few part: 1. wake sign indicating number up, and by forming except 0x00 and a pair of code word the 0xFF, and radix-minus-one complement each other between a pair of code word; For example wake sign indicating number up and form, wake sign indicating number up and be used for guaranteeing that reception subbase station is waken up by 0xAA and 0x55; 2. id information receives the subbase station and judges the whether needs storage of data updated information according to id information, and id information is made up of 32bit, and id information is corresponding one by one with reception subbase station, so can use 2
32Individual reception subbase station; 3. commodity data information; Comprise one or more the combination in image, literal, numeral, special symbol, the bar code; Commodity data information all adopts the ASCII character transmission except that image information, use the ASCII character transmitting data information can significantly reduce the data volume of communication; 4. check code, check code adopts CRC-16 sign indicating number or CRC-32 sign indicating number.
The subbase station is connected with base station radio, and the frequency range that it adopted is the high-frequency band of 315MHz or 433MHz or 868MHz or 915MHz or 2.4GHz, can effectively reduce power consumption, and can guarantee enough fast data rate.In the present embodiment, adopt the 433MHz frequency range, the flank speed of its transmission can reach 250KBps.
Shown in accompanying drawing 3, the opening time of setting the subbase station is Tr, according to Nyquist's theorem, when the signals sampling frequency greater than signal in during 2 times of highest frequency, the reservation that the digital signal after the sampling is complete information in the original signal.Therefore when transmit cycle Tt and opening time Tr satisfy 2Tt≤Tr, can in 1s, accurately wake reception subbase station up.For example Tw is 10 μ s ~ 10ms, and Tt is 10 μ s ~ 10ms, and Tt >=Tw; The opening time at subbase station is that Tr is 1ms ~ 10ms, satisfies Nyquist's theorem.Subbase stood in the opening time, if detecting the base station launches wake-up signal to it, its reception is also stored corresponding commodity data information.It judges commodity data information according to id information, and whether needs are stored, and when needs are stored, receive the data message of subbase station storage update.If wake-up signal is not launched in the base station, then the subbase station gets into dormancy.
The number of low power dissipation electron label is 1 ~ (2
20-2) individual, each low power dissipation electron label has unique within the specific limits bar code number with a corresponding connection in sub-base station and each low power dissipation electron label.The low power dissipation electron label comprises receiver module, the decoder module that is connected with receiver module, the display module that is used for the display of commodity data message that is connected with decoder module.Decoder module adopts the PIC18F family chip of low-power consumption equally.Display module comprises display panel, and display panel is common liquid crystals screen or electronic-paper display screen or OLED display screen or the low-power consumption multistable smectic liquid crystal display panel with dot matrix display mode; Liquid crystal display is TFT or TN or stn liquid crystal screen, and electronic-paper display screen is for adopting the electronic-paper display screen of Eink or other common electronics paper technology.The low power dissipation electron label adopts the button cell power supply.
Shown in accompanying drawing 5 because the low power dissipation electron label do not need the real-time update data, so receiver module can tens seconds or a few minutes all be in sleep state.When timing arrives; The low power dissipation electron label wakes and visits the subbase station with its corresponding connection up; When storing the commodity data information of renewal in the group base station, decoder module reads the commodity data information in the receiver module and it is decoded, deciphers, and is sent to then in the display module; Display module display of commodity data message is to realize himself updating data.
Because Nyquist's theorem is applied in this electronic labelling system, can guarantee effectively to receive that subbase station and electronic tag corresponding with it can in time be waken up and receive, information Updates Information.This electronic tag system is through common button cell power supply.
Scanister is used to scan the bar code number of low power dissipation electron label and the bar code of commodity also forms electronic tag and commodity mapping table on this basis, and scanister transfers to server through wired or wireless mode with mapping table then.Server confirms that to the seal relation table needs upgrade the low power dissipation electron label of merchandise news according to above-mentioned.
When this electronic labelling system is applied in supermarket or the warehouse; Can be arranged on transmitting base station on the house beam in supermarket or warehouse, receive each orientation that the subbase station is arranged on transmitting base station; Each receives the subbase station and covers one or more adjoining electronic tags, prevents the dead angle.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to let the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not limit protection scope of the present invention with this.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (10)
1. a low power dissipation electron tag system is used for supermarket, warehouse etc. commodity is managed, and it is characterized in that: described low power dissipation electron tag system comprises server, base station, subbase station, low power dissipation electron label;
Operation commodity information management software is used for upgrading, backing up commodity data information on the described server;
Described base station is connected through wired or wireless mode with described server, is used to receive and encapsulate the commodity data information of described renewal, and the wake-up signal of emission after encapsulation, and the transmit cycle of setting wake-up signal is Tt;
Described subbase station is connected with described base station radio; The opening time of setting described subbase station is Tr; And described transmit cycle Tt and opening time Tr satisfy 2Tt≤Tr; Described subbase stood in the opening time, if detecting described base station launches described wake-up signal to it, its reception is also stored corresponding commodity data information;
An each described low power dissipation electron label and a corresponding connection in described subbase station, and each described low power dissipation electron label has unique within the specific limits bar code number; Described low power dissipation electron label comprises the display module that shows described commodity data information; Described low power dissipation electron label timing wake-up is also visited the described subbase station with its corresponding connection; When storing the commodity data information of described renewal in the described subbase station, described low power dissipation electron label reads the commodity data information of described renewal to realize himself updating data.
2. low power dissipation electron tag system according to claim 1; It is characterized in that: described low power dissipation electron label also comprises scanister; Described scanister is used to scan the bar code number of described low power dissipation electron label and the bar code of commodity also forms electronic tag and commodity mapping table on this basis, through wired or wireless mode described mapping table is transferred to described server.
3. low power dissipation electron tag system according to claim 1 is characterized in that: be connected through wired RS485 EBI or wired CAN EBI or other wireline interfaces or wireless WIFI interface or wireless RF interface or other wave point between described server and the described base station and carry out data communication.
4. low power dissipation electron tag system according to claim 1 is characterized in that: described base station comprises the transmitter module that is connected with described server and receives the information updating processor of described commodity data information, the microcontroller that is connected with described information updating processor, be connected with described microcontroller; Described information updating processor is connected through USB interface with described microprocessor and transmits described commodity data information; Described commodity data information is passed to described microprocessor and after encrypting, pack, compressing, is passed to described transmitter module therein by described information updating processor, and described transmitter module is launched described wake-up signal.
5. low power dissipation electron tag system according to claim 1 is characterized in that: described wake-up signal comprises and wakes sign indicating number, id information, commodity data information, check code up;
The described sign indicating number that wakes up is by forming except 0x00 and a pair of code word the 0xFF, and radix-minus-one complement each other between the described a pair of code word, and described waking up yard is used to guarantee that described subbase station is waken up;
The whether needs storage of commodity data information of described renewal is judged according to described id information in described subbase station, and described id information is made up of 32bit, and described id information is corresponding one by one with described subbase station;
Described commodity data information comprises one or more the combination in image, literal, numeral, special symbol, the bar code;
Described check code adopts CRC-16 sign indicating number or CRC-32 sign indicating number.
6. low power dissipation electron tag system according to claim 1 is characterized in that: described low power dissipation electron label also comprise receiver module, with the decoder module that described receiver module is connected, described display module is connected with described decoder module; Described decoder module reads the commodity data information in the described receiver module and it is decoded, deciphers, and is sent to then in the described display module, and described display module shows described commodity data information.
7. low power dissipation electron tag system according to claim 1; It is characterized in that: described display module comprises display panel, and described display panel is common liquid crystals screen or electronic-paper display screen or the low-power consumption multistable smectic liquid crystal display panel with dot matrix display mode.
8. low power dissipation electron tag system according to claim 1 is characterized in that: described low power dissipation electron label adopts the button cell power supply.
9. low power dissipation electron tag system according to claim 1 is characterized in that: the frequency range that the wireless connections between described base station and the described subbase station are adopted is the high-frequency band of 315MHz or 433MHz or 868MHz or 915MHz or 2.4GHz.
10. low power dissipation electron tag system according to claim 1; It is characterized in that: the cycle T t that launches described wake-up signal comprises the transmission data phase, sends ending phase; The time of described transmission data phase is Tw; Tw is 10 μ s ~ 10ms, and Tt is 10 μ s ~ 10ms, and Tt >=Tw; The opening time of described receiver module is that Tr is 1ms ~ 10ms.
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| CN102708388A (en) * | 2012-03-02 | 2012-10-03 | 友达光电股份有限公司 | Electronic tag system, electronic tag and method for updating electronic tag |
| CN102750124A (en) * | 2012-06-20 | 2012-10-24 | 无锡威峰科技有限公司 | Electronic shelf label system adopting EPD (Electronic Paper Display) screen |
| CN103517367A (en) * | 2013-09-23 | 2014-01-15 | 无锡高联信息技术有限公司 | Small-range mobile terminal silencing method based on TD-SCDMA |
| CN103517368A (en) * | 2013-09-23 | 2014-01-15 | 无锡高联信息技术有限公司 | Small-range mobile terminal silencing system based on TD-SCDMA |
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| CN108063801A (en) * | 2017-11-30 | 2018-05-22 | 重庆云邮天下信息技术有限公司 | A kind of unattended shop dynamic electron label display method and system |
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| CN105872988A (en) * | 2016-05-24 | 2016-08-17 | 苏州市职业大学 | Automatic short message prompting electronic paper equipment in classroom |
| CN108320009A (en) * | 2017-01-17 | 2018-07-24 | 联阳半导体股份有限公司 | Electronic tag, display updating system thereof and operation method thereof |
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| CN108063801A (en) * | 2017-11-30 | 2018-05-22 | 重庆云邮天下信息技术有限公司 | A kind of unattended shop dynamic electron label display method and system |
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| CN108334917A (en) * | 2018-01-30 | 2018-07-27 | 苏州汉朗光电有限公司 | Based on LORA technology wireless low-power consumption electronic labelling systems |
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