CN105095926B - A kind of stagewise distant range active electronic tag and its recognition methods - Google Patents

A kind of stagewise distant range active electronic tag and its recognition methods Download PDF

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Publication number
CN105095926B
CN105095926B CN201410195323.0A CN201410195323A CN105095926B CN 105095926 B CN105095926 B CN 105095926B CN 201410195323 A CN201410195323 A CN 201410195323A CN 105095926 B CN105095926 B CN 105095926B
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radio
sequence number
controller
electronic tag
frequency
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CN105095926A (en
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赵挺生
朱水元
唐菁菁
焦楠
张宇
唐韬
刘超群
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Huazhong University of Science and Technology
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Huazhong University of Science and Technology
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Abstract

The invention discloses a kind of stagewise distant range active electronic tag and its recognition methods, the label includes radio-frequency module, controller, memory, battery module, controller is connected with microswitch, when the state of people, equipment, facility or article changes, stir microswitch, so as to generate new radio frequency sequence number, the new sequence number includes the new sequence number after the former radio frequency sequence number of electronic tag and identification Obj State change, and the different conditions and different radio frequency sequence numbers that identify object are corresponding.According to the present invention, it can realize the classification of electronic tag, the electronic tag will identify that the different state of object and different radio frequency sequence numbers are corresponding, data management system can be transmitted information to by reader, so as to make administrative staff to identifying that the state of object has specific and comprehensive understanding, facilitate the development of management work, be effectively reduced management cost.

Description

A kind of stagewise distant range active electronic tag and its recognition methods
Technical field
The invention belongs to field of radio frequency identification, and more particularly, being related to one kind can be by direct labor, equipment, facility, object Product and ambient condition show the electronic tag of the stagewise of (or classification).
Background technology
Electronic tag is being commonly called as radio frequency identification (RFID).Radio Frequency Identification Technology is one and passes through space using radiofrequency signal Coupling realizes that contactless information is passed through the technology that transmitted information reaches automatic identification purpose.Electronic labelling system master It to be made of electronic tag, reader and data management system.Electronic tag is the carrier of article identification, and internal storage object The relevant information of product, each label have unique electronic code.Reader is reading or write-in label information, and information is passed Data management system is defeated by, is generally divided into and holds and fix two kinds.Radio frequency identification (RFID) technology and item widely used at present Shape code technology is compared, have capacity is big, identification distance is remote, recognition speed is fast, penetration capacity is strong, can multi-card recognition, pollution resistance it is strong The features such as, it is widely used in logistic storage, commodity retail, industrial manufacture, asset management, communications and transportation, military aviation in recent years With the fields such as anti-counterfeit anti-theft.
The operation principle of electronic tag is generally, and after electronic tag enters magnetic field, receives the radio frequency letter that reader is sent out Number, it sends out the Item Information stored in the chips by the energy that sensing electric current is obtained or actively sends a certain frequency Signal.After reader reads information and decodes, the number in the automatic read write tag of radio wave mode of certain working frequency is sent It is believed that after breath, send to data management system and handled.
By the title " active electronic label " containing battery in label, the interior title " passive electronic label " for being free of battery of label. Active electronic label identifies that the distant traffic rate between reader is also higher compared with passive electronic label.Typically Active electronic label circuit includes antenna, radio-frequency front-end, controller, memory, battery module etc..Radio-frequency front-end, which is responsible for sending, to be adjusted System receives the command signal in demodulating process between label and reader and reflects answer signal.Controller performs reader Instruction, completes the correct identification of label.Memory stores tag recognition program and RF tag relevant information.
At present, prior art electronic tag present in is all to correspond to an electronic tag using an article, each Label only has unique electronic code, if the state of article changes, electronic tag can not show this variation, The application of electronic label technology in practice is limited to a certain extent, the application in field of particularly keeping the safety in production.
Invention content
In view of the drawbacks of the prior art, the purpose of the present invention is to provide a kind of stagewise distant range active electronic tag and Its stage division, have the characteristics that it is simple in structure, can the monitoring to change of target state be realized by manual control, it is this The electronic tag of stagewise in Process of Engineering Construction worker's work post change management and equipment, facility, article state Classification etc. has important practical significance, and facilitates the development of management activity, can significantly reduce management cost.
One side according to the invention, provides a kind of stagewise distant range active electronic tag, which includes penetrating Frequency module, controller, memory, battery module and microswitch, wherein:
The radio-frequency module, controller, memory are sequentially connected;
The battery module is connected respectively with the controller, radio-frequency module, memory;
The microswitch is connected with the controller, for generating the radio frequency changed with electronic tag mark Obj State Sequence number sends controller to, and controller accordingly transmits the radio frequency sequence number of change to radio-frequency module, and radio-frequency module is by this radio frequency Sequence number is sent to radio-frequency readers reading, so as to fulfill the classification of mark object.
Further, the microswitch is made of several small switches, raw by controlling the permutation and combination of on off state Into different radio frequency sequence numbers.
In addition, the present invention further propose it is a kind of using above-mentioned electronic tag come perform Tag Radio Frequency information identify Method, this method include the following steps:
(1) radio-frequency module detects the radiofrequency signal of frequency read/write, into wake-up states, and communicates and makes with controller It enters normal operation state;
(2) controller carries out Initialize installation;
(3) controller reads the state of microswitch, generates radio frequency sequence number, and the radio frequency sequence number includes electronic tag Former radio frequency sequence number and microswitch generation radio frequency sequence number;
(4) the radio frequency sequence number that the controller described in step is read is sent to radio-frequency module;
(5) last radio-frequency module establishes communication connection transmission data with frequency read/write.
Description of the drawings
Fig. 1 forms system block diagram for stagewise electronic tag;
Fig. 2 is stagewise electronic tag work flow diagram;
4 battery module of wherein 1 radio-frequency module 2 controller, 3 memory, 5 microswitch
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
Include radio-frequency module 1 from Fig. 1 stagewise electronic tag frame it can be seen from the figure thats electronic label device, controller 2, deposit Reservoir 3, power module 4 and (microswitch status number=2 of microswitch 5Switch number).Radio-frequency module 1, controller 2, memory 3 It is sequentially connected the communication of information between realizing;
Battery module 4 is connected respectively with the controller 2, radio-frequency module 1, memory 3, to for the mould to work in system Block provides electric energy;
Microswitch is connected with the controller, to convey the information of microswitch to controller.
Wherein microswitch 5 can switch what is formed by 3 small, and the state of switch can show 1 or 0 signal, from And realize coding, the permutation and combination of above-mentioned on off state can show altogether eight kinds of different states, and microswitch 5 will be opened The sequence number that the electric signal expression ground of pass is made of 1 or 0 is sent to the pin of controller.
In practical applications, if the state of people or article is changed, for example, people position changed or The change of the various states such as " the restocking sale " of article, " being ordered ", it is possible to artificially stir microswitch, change electronics The coding of label, and above-mentioned coding is transported to microcontroller and is stored, the classification of electronic tag is thereby realized, is marked Know the change for the state, certainly in practical application, the quantity of switch can carry out quantity according to the change of state Control and limitation not just for the quantity 3 that above example provides, repeat no more this point.
The specific workflow of stagewise electronic tag is as shown in Fig. 2, when radio-frequency module 1 detects penetrating for frequency read/write It after frequency signal, is waken up from low consumption dormant state and enters normal operation state, controller 2 is in initialization and related setting The state of microswitch, so as to generate new radio frequency sequence number (ID number), the former radio frequency sequence number comprising electronic tag are read afterwards Sequence number after changing with electronic label identification Obj State, is then sent to radio frequency mould by new radio frequency sequence number (ID number) Block, so far the workflow of controller 2 terminate, communication connection transmission number is finally established by radio-frequency module 1 and frequency read/write again According to frequency read/write can read new sequence number, so as to fulfill the identification to the sequence number after change.
As it will be easily appreciated by one skilled in the art that the foregoing is merely illustrative of the preferred embodiments of the present invention, not to The limitation present invention, all any modification, equivalent and improvement made all within the spirits and principles of the present invention etc., should all include Within protection scope of the present invention.

Claims (2)

1. a kind of stagewise distant range active electronic tag, which is characterized in that the label includes radio-frequency module (1), controller (2), memory (3), battery module (4) and microswitch (5), wherein:
The radio-frequency module (1), controller (2), memory (3) are sequentially connected;
The battery module (4) is connected respectively with the controller (2), radio-frequency module (1), memory (3);
The microswitch (5) is connected with the controller (2), is penetrated for generating with what electronic tag mark Obj State changed Frequency sequence number sends controller (2) to, and the radio frequency sequence number that controller (2) transmission changes gives radio-frequency module (1), radio-frequency module (1) this radio frequency sequence number is sent to radio-frequency readers to read, if the position of people is changed or the restocking of article Distribution state, by the change of subscription status, artificially stir microswitch, change the coding of electronic tag, and by above-mentioned volume Code is transported to microcontroller and is stored, so as to fulfill the classification of mark object;
The microswitch (5) is made of several small switches, by controlling the permutation and combination of on off state, generates different penetrate Frequency sequence number.
2. a kind of know method for distinguishing, this method packet using electronic tag as described in claim 1 to perform Tag Radio Frequency information Include the following steps:
(1) radio-frequency module detects the radiofrequency signal of frequency read/write, into wake-up states, and communicate with controller make its into Enter normal operation state;
(2) controller carries out Initialize installation;
(3) controller reads the state of microswitch, generates radio frequency sequence number, and the radio frequency sequence number includes the original of electronic tag Radio frequency sequence number and the radio frequency sequence number of microswitch generation;
(4) the radio frequency sequence number that the controller described in step is read is sent to radio-frequency module;
(5) last radio-frequency module establishes communication connection transmission data with frequency read/write.
CN201410195323.0A 2014-05-09 2014-05-09 A kind of stagewise distant range active electronic tag and its recognition methods Active CN105095926B (en)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106406200B (en) * 2016-09-23 2017-10-27 华中科技大学 A kind of monitoring system of cascaded logic door-controlled type active electronic label
CN113792831B (en) * 2021-09-02 2024-04-05 北京零态空间创意文化有限公司 Multi-domain enhanced radio frequency identification device and communication method

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2622771Y (en) * 2003-05-01 2004-06-30 沈阳新松机器人自动化股份有限公司 Electronic label for sorting goods
EP1793326A2 (en) * 2002-01-09 2007-06-06 Vue Technology, Inc. Intelligent station using multiple RF antennae and inventory control system and method incorporating same
CN102024170A (en) * 2009-09-17 2011-04-20 阿丹电子企业股份有限公司 Unidirectional active type electronic tag and parameter setting method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1793326A2 (en) * 2002-01-09 2007-06-06 Vue Technology, Inc. Intelligent station using multiple RF antennae and inventory control system and method incorporating same
CN2622771Y (en) * 2003-05-01 2004-06-30 沈阳新松机器人自动化股份有限公司 Electronic label for sorting goods
CN102024170A (en) * 2009-09-17 2011-04-20 阿丹电子企业股份有限公司 Unidirectional active type electronic tag and parameter setting method thereof

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