CN103164720B - A kind of composite active label remote networking system and network-building method - Google Patents
A kind of composite active label remote networking system and network-building method Download PDFInfo
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- CN103164720B CN103164720B CN201310059747.XA CN201310059747A CN103164720B CN 103164720 B CN103164720 B CN 103164720B CN 201310059747 A CN201310059747 A CN 201310059747A CN 103164720 B CN103164720 B CN 103164720B
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Abstract
The present invention relates to a kind of composite active label remote networking system and network-building method, this system includes main control computer and main card reader, main card reader divides at least one compound card reader, being provided with UHF transceiver and 2.4G card reader in compound card reader, main card reader is by UHF communication link and compound card reader communication; Compound card reader divides at least one composite tag, and composite tag is made up of 2.4G active radio frequency label and UHF passive label, and compound card reader is communicated by 2.4G communication link and composite tag. The network lifetime of the present invention is longer, the network reliable communication time is better than the network adopting Zigbee protocol, and make full use of UHF and 2.4G radio frequency complex technique, increase card reader number, set up active label telecommunication network, whole network sets up that expense is low, easy to maintenance, distance is remote, and reliability is high, it may be achieved cover on a large scale.
Description
Technical field
The present invention relates to a kind of composite active label remote networking system and network-building method, belong to electronic information technical field.
Background technology
Along with the continuous progress and development of society, logistic storage industry is more and more flourishing, along with being continuously increased of goods, the continuous renewal of kind so that its management is increasingly bothered. In order to realize simple efficient warehouse logistics, specially with the addition of, for corresponding article, the label being able to demonstrate that " identity ", conventional label has the information sensing equipment such as RF identification, infrared inductor, global positioning system, laser scanner.
And when strange label is put on record, need employing bar code scanner that it is one-dimensional or two-dimensional bar is scanned registration, or adopt low-frequency range close distance radio frequency card to carry out registration warehouse-in, bar code scanner is limited with the sphere of action of radio-frequency card, and need human assistance to be scanned warehouse-in, bar code or radio-frequency (RF) tag only could effectively read required bar code information in short range, once just cannot be carried out reliable information and read and registration after being blocked. Another active label being widely used at present can solve problem above, but the active label life-span is shorter, and communication distance is limited in a border circular areas, and communication distance and read-write operation reliability are difficult to ensure.
Summary of the invention
Limited for above-mentioned active label communication distance, can not the problem of networking, the invention provides a kind of composite active label remote networking system based on UHF and 2.4G communication link and network-building method, utilize two-stage card reader and active label building network, it may be achieved the network coverage on a large scale.
Composite active label remote networking system provided by the invention, including main control computer and main card reader, main control computer and main card reader are bi-directionally connected, send Card Reader order to main card reader and receive the label information that main card reader is read, main card reader divides at least one compound card reader, being provided with UHF transceiver and 2.4G card reader in compound card reader, main card reader is by UHF communication link and compound card reader communication;Compound card reader divides at least one composite tag, and composite tag is made up of 2.4G active radio frequency label and UHF passive label, and compound card reader is communicated by 2.4G communication link and composite tag.
The present invention realizes the purpose of networking by increasing the quantity of card reader, each card reader can be responsible for the read-write of 256 labels in theory, if increasing card reader quantity is n, then the quantity of read write tag will increase position 256 × n at most, and the quantity of read write tag will be greatly increased. If single tag read distance is 100 meters, then after the mode of employing networking, maximum distance will increase to 100 × n rice, it is seen that realizes extensive radio frequency identification systems by the mode of networking and will obtain very big advantage. UHF passive label and 2.4G active radio frequency label are combined into a new composite tag by the present invention, UHF passive label effect is in that article go out, when putting in storage, goods is carried out point-to-point short-range communication, to complete the RF identification to single goods, and UHF passive label will quit work after goods goes out warehouse-in registration, now 2.4G active radio frequency label starts. 2.4G active radio frequency label is responsible for communication, clearing etc. that the goods identified is made an inventory at a distance. Do not communicate between all of radio-frequency (RF) tag and radio-frequency (RF) tag, the card reader of radio-frequency (RF) tag and minimum distance adopts 2.4G communication link to carry out data transmission, modulation system adopts GFSK, and communication frequency can carry out frequency hopping communications at 2.40GHz to 2.49GHz, with occupied frequency range near avoiding.
Described composite tag adopts button cell intermittent power supply, namely only works the time of one millisecond each second, and the life-span can be improved 1000 times by this mode. .
Network-building method used by above-mentioned composite active label remote networking system, comprises the steps:
1), main control computer send Card Reader order to main card reader, main card reader receives the backward main control computer of order and replys confirmation.
2) main card reader utilizes uhf band broadcast Card Reader information, and the compound card reader in its communication range receives broadcast message and carries out Card Reader, broadcasts Card Reader information to not other compound card reader in main card reader communication range simultaneously; Compound card reader utilizes the UHF transceivers broadcast message that it is interior, then UHF transceiver send this information to inside 2.4G card reader carry out Card Reader, UHF transceiver is converted to emitter simultaneously, this broadcast message of Consecutive forwarding, all receives broadcast Card Reader information with all the other the compound card reader guaranteed not within the scope of main card reader communication distance.
3) after, all compound card reader all receive Card Reader information, each compound card reader starts to search for its composite tag being responsible in communication range and by the label ID information instant recording that searches out to its interior 2.4G card reader, send unified for all label ID information in card reader to UHF transceiver after the tag search in its communication range, so far complete the tag search task of this compound card reader.
4), each compound card reader all by UHF transceiver storage label ID information be sent to main card reader, by main card reader delete repeat label ID information and residue label ID information is transferred to main control computer, by main control computer judge with show.
Adopting frequency-hopping mode communication between described composite tag and compound card reader, the frequency range of compound card reader search label and label communication is 2.40GHz-2.49GHz, and concrete frequency multiplexed type card reader can be changed according to practical situation.
Above-mentioned steps 4) in compound card reader in main card reader communication range directly send label ID information to main card reader, the compound card reader beyond scope transmits label ID information step by step by the mode routeing.
The networking mode of the present invention is different from the Zigbee protocol being widely used at present, the life span having a major advantage in that network of the present invention is longer, namely under same battery electric power thus supplied, the network reliable communication time in the present invention is better than the network adopting Zigbee protocol, and makes full use of UHF and 2.4G radio frequency complex technique, increases card reader number, set up active label telecommunication network, whole network sets up that expense is low, easy to maintenance, distance is remote, and reliability is high, it may be achieved cover on a large scale.
Accompanying drawing explanation
Fig. 1 is present system block diagram;
Fig. 2 is the composition structural representation of compound card reader;
Fig. 3 is the composition structural representation of composite tag;
In figure, 1, main card reader, 2, main control computer, 3, compound card reader, 4, composite tag, 31, UHF transceiver, 32, controller, 33,2.4G card reader, 34, battery, 41, UHF passive label, 42, battery, 43,2.4G active radio frequency label.
Detailed description of the invention
As shown in Figure 1, a kind of composite active label remote networking system, including main control computer 2 and main card reader 1, main control computer 2 and main card reader 1 are bi-directionally connected, send Card Reader order to main card reader 1 and receive the label information that main card reader 1 is read, main card reader 1 divides into n two grades of distributed compound card reader 3, and compound card reader 3 is divided into the relation of m the compound card reader quantity n of composite tag 4(and composite tag quantity m and met n < < m). As in figure 2 it is shown, compound card reader 3 includes UHF transceiver 31, controller 32,2.4G card reader 33 and high capacity cell 34, main card reader 1 is carried out data transmission by UHF communication link and compound card reader 3. As shown in Figure 3, composite tag 4 is made up of 2.4G active radio frequency label 43 and UHF passive label 41,2.4G active radio frequency label 43 is by CR2032 button cell 42 intermittent power supply, and compound card reader 3 is carried out data transmission by 2.4G communication link and composite tag 4.
Network-building method used by above-mentioned composite active label remote networking system, comprises the steps:
1), main control computer 2 send Card Reader order to main card reader 1, main card reader 1 receives the backward main control computer 2 of order and replys confirmation.
2) main card reader 1 utilizes uhf band to go on the air Card Reader information, operating frequency used by broadcast is 433MHz, when there is compound card reader in communication range, UHF transceiver 31 within compound card reader 3 will receive this broadcast message, then UHF transceiver 31 send this information to inside 2.4G card reader 33 carry out Card Reader, UHF transceiver 31 is converted to emitter simultaneously, this broadcast message of Consecutive forwarding, all receives broadcast Card Reader information with all the other the compound card reader 3 guaranteed not within the scope of main card reader 1 communication distance.
3), after all compound card reader 3 all receive the Card Reader broadcast message that main card reader 1 sends, just next recurrent state is entered, namely each compound card reader 3 starts to search for its composite tag 4 being responsible in communication range, the frequency of search label and label communication is within the scope of 2.40GHz-2.49GHz, both carry out frequency hopping communications, and concrete frequency multiplexed type card reader can be changed according to practical situation. When the 2.4G card reader 33 within compound card reader 3 scans for label, often search out a label just to be recorded by the id information of this label, send unified for all of label ID information to UHF transceiver 31 after search is less than new label, now just complete tag search task.
4) after, completing above task, all of compound card reader 3 should get the information of all labels within the scope of responsible communication distance, the label information read may repeat, the label ID information of storage in UHF transceiver 31 is all sent to main card reader 1 by each compound card reader 3, deleted the label ID information of repetition by main card reader 1, the label ID information searched is stored in the RAM of main card reader. Main card reader 1 is transmitted to main control computer 2 after having processed all of information, main control computer 2 judge and display.
In this process, the compound card reader in main card reader communication range can directly communicate with main card reader, directly sends the label ID information stored in it to main card reader. Available routing algorithm communication between compound card reader, therefore, inner label id information is transmitted by mode that the compound card reader within the scope of main card reader read-write can not passed through to route step by step, until passing to main card reader.
It is more than a complete Card Reader cyclic process, when, after a loop ends, all devices all enters park mode, starts in order to circulation next time.
Claims (6)
1. a composite active label remote networking system, including main control computer (2) and main card reader (1), main control computer (2) and main card reader (1) are bi-directionally connected, send Card Reader order to main card reader (1) and receive the label information that main card reader (1) is read, it is characterized in that: main card reader (1) divides at least one compound card reader (3), UHF transceiver (31) and 2.4G card reader (33) it is provided with in compound card reader (3), main card reader (1) is communicated with compound card reader (3) by UHF communication link, compound card reader (3) divides at least one composite tag (4), composite tag (4) is made up of 2.4G active radio frequency label (43) and UHF passive label (41), and compound card reader (3) is communicated by 2.4G communication link and composite tag (4).
2. composite active label remote networking system according to claim 1, is characterized in that: described composite tag (4) adopts button cell intermittent power supply.
3. the network-building method used by composite active label remote networking system as claimed in claim 1, is characterized in that comprising the steps:
1), main control computer send Card Reader order to main card reader, main card reader receives the backward main control computer of order and replys confirmation;
2) main card reader utilizes uhf band broadcast Card Reader information, and the compound card reader in its communication range receives broadcast message and carries out Card Reader, broadcasts Card Reader information to not other compound card reader in main card reader communication range simultaneously;
3) after, all compound card reader all receive Card Reader information, each compound card reader starts to search for its composite tag being responsible in communication range and by the label ID information instant recording that searches out to its interior 2.4G card reader, send unified for all label ID information in card reader to UHF transceiver after the tag search in its communication range, so far complete the tag search task of this compound card reader;
4), each compound card reader all by UHF transceiver storage label ID information be sent to main card reader, by main card reader delete repeat label ID information and residue label ID information is transferred to main control computer.
4. the network-building method used by composite active label remote networking system according to claim 3, is characterized in that: adopt frequency-hopping mode communication between described composite tag and compound card reader.
5. the network-building method used by composite active label remote networking system according to claim 3 or 4, is characterized in that: the frequency range of compound card reader search label and label communication is 2.40GHz-2.49GHz.
6. the network-building method used by composite active label remote networking system according to claim 3, it is characterized in that: step 4) in compound card reader in main card reader communication range directly send label ID information to main card reader, the compound card reader beyond scope transmits label ID information step by step by the mode routeing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310059747.XA CN103164720B (en) | 2013-02-26 | 2013-02-26 | A kind of composite active label remote networking system and network-building method |
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| CN201310059747.XA CN103164720B (en) | 2013-02-26 | 2013-02-26 | A kind of composite active label remote networking system and network-building method |
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| CN103164720B true CN103164720B (en) | 2016-06-15 |
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| CN109815759A (en) * | 2019-01-24 | 2019-05-28 | 电子科技大学 | A kind of telecommunication group network system and network-building method based on ultrahigh frequency RFID |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101645141A (en) * | 2009-08-11 | 2010-02-10 | 合肥工大高科信息技术有限责任公司 | Mine integral double-frequency compound electronic tag, portable card reader and signal reading method thereof |
| CN101751579A (en) * | 2008-12-04 | 2010-06-23 | 上海孚恩电子科技有限公司 | One-card system applying high-frequency dual-protocol composite card |
| CN102402706A (en) * | 2010-09-09 | 2012-04-04 | 国民技术股份有限公司 | Dual radio-frequency identification tag and dual radio-frequency identification system |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080238621A1 (en) * | 2007-03-30 | 2008-10-02 | Broadcom Corporation | Multi-mode rfid reader architecture |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101751579A (en) * | 2008-12-04 | 2010-06-23 | 上海孚恩电子科技有限公司 | One-card system applying high-frequency dual-protocol composite card |
| CN101645141A (en) * | 2009-08-11 | 2010-02-10 | 合肥工大高科信息技术有限责任公司 | Mine integral double-frequency compound electronic tag, portable card reader and signal reading method thereof |
| CN102402706A (en) * | 2010-09-09 | 2012-04-04 | 国民技术股份有限公司 | Dual radio-frequency identification tag and dual radio-frequency identification system |
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