CN102831458A - Sensing type WiFi (wireless fidelity) electronic label and reading method thereof - Google Patents
Sensing type WiFi (wireless fidelity) electronic label and reading method thereof Download PDFInfo
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- CN102831458A CN102831458A CN2012103462022A CN201210346202A CN102831458A CN 102831458 A CN102831458 A CN 102831458A CN 2012103462022 A CN2012103462022 A CN 2012103462022A CN 201210346202 A CN201210346202 A CN 201210346202A CN 102831458 A CN102831458 A CN 102831458A
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Abstract
The invention relates to a sensing type WiFi (wireless fidelity) electronic label and a reading method thereof. The sensing type WiFi electronic label comprises a control module, wherein an infrared unit of the control module is connected with a controller, the controller is connected with an analog switch and a WiFi chip and is also respectively connected with a sound unit and a light unit on a prompting module, the WiFi chip is connected with a short-distance directional antenna through the analog switch, the short-distance directional antenna and an intelligent terminal are subjected to wireless communication, and the intelligent terminal and the infrared unit are subjected to wireless communication. In a sensing area, the WiFi signal power is adjusted to the maximum according to control commands, and WiFi signals are transmitted out; surrounding WiFi signals are scanned to obtain a signal list; the sensing type WiFi electronic label is scanned by traversing the obtained signal list; and an SSID (service set identifier) data area of the sensing type WiFi electronic label is analyzed according to different application definitions to obtain an information string transferred by the label, and the function of the information string is operated. The sensing type WiFi electronic label has the advantages of wide scope of application, low cost of promotion, high safety and high sensing sensitivity.
Description
Technical field
The invention belongs to the electronic label technology field, relate in particular to a kind of induction type WiFi electronic tag and read method thereof.
Background technology
At present; Intelligent movable communication facilitiess such as intelligent terminal, computer, ipad at present the label that can read comprise bar code, two-dimension code, NFC label etc., satisfied people and used intelligent movable communication facilitiess such as intelligent terminal, computer, ipad to obtain the demand of information fast.
But reading of printing such as bar code, two-dimension code type label; After needing the user to open the corresponding recognizer of intelligent movable communication facilitiess such as intelligent terminal, computer, ipad; With camera alignment bar font code, two-dimension code label; Recognizer is accomplished scanning, decoding and identification to label through focusing, focusing etc.In the tag recognition process, thereby need making certain posture, the user guarantees that intelligent terminal is fixed in a certain attitude and keeps the stable of camera, to guarantee that recognizer can operate as normal.This process has brought inconvenience for user's use.
The application of electronic label technology has solved the inconvenience of intelligent movable communication facilitiess such as intelligent terminal, computer, ipad to user in printings such as bar code, the two-dimension code type tag recognition process.This technology is through radio signals identification specific objective and read and write related data, and need not to set up machinery between recognition system and the specific objective or optics contacts.Commonly used have RFID label, a NFC label etc., but their read-write all need be realized through proprietary read module, and intelligent movable communication facilitiess such as present intelligent terminal, computer, ipad more than 99% are not supported the read-write capability of electronic tag.In order to realize reading tag easily, transform unrealistic to used equipment; And new equipment increases the module for reading and writing of electronic tag when producing; Strengthened equipment cost again; Device fabrication producer and user are not very willing to check for this reason; Like this situation has prolonged marketing time of the intelligent movable communication facilitiess such as intelligent terminal, computer, iPad of the read-write capability that has electronic tag.
Summary of the invention
The purpose of the embodiment of the invention is to provide a kind of novel induction type WiFi electronic tag and read method thereof, is intended to solve the read-write capability that intelligent movable communication facilitiess such as present intelligent terminal, computer, ipad more than 99% are not supported electronic tag; In order to realize reading easily electronic tag, transform unrealistic to used equipment; And new equipment increases the module for reading and writing of electronic tag when producing, and has strengthened the production equipment cost again, causes all not very willing problem of for this reason checking of producer and user.
The embodiment of the invention is achieved in that a kind of induction type WiFi electronic tag read method, and said read method may further comprise the steps:
Step 1, in induction region, according to steering order, regulating the WiFi signal power be maximum, outwards launches the WiFi signal;
WiFi signal around step 2, the scanning obtains signal tabulation, and wherein every bars information comprises SSID, BSSID and signal intensity;
Step 3, the tabulation of traversal gained signal scan induction type WiFi electronic tag;
Further, in induction region, according to steering order, it is maximum regulating the WiFi signal power, and the concrete implementation method of outwards launching the WiFi signal is:
Intelligent terminal gets in the induction region of induction type WiFi electronic tag; Infrared unit receives head and receives by the infrared ray of intelligent terminal reflection; The sound prompting, light unit of notification controller, controller indication voice unit (VU) begins to continue flicker, while instruction simulation switch closure; It is maximum regulating the WiFi signal power, and the WiFi signal is outwards launched via the short distance directional antenna.
Further, said traversal gained signal tabulation further may further comprise the steps:
If there is preset verification relation in the gained signal intensity greater than pre-set threshold value, SSID and BSSID, confirm that then this SSID is that induction type WiFi electronic tag sends; Otherwise this signal is not that the WiFi electronic tag sends;
If analysis result has a plurality of; Then basis signal intensity ordering; The WiFi electronic tag for intelligent terminal induction that default signal is the strongest is sent, and once travels through and does not find any signal that satisfies condition if then carry out step 4, then repeats above-mentioned steps 2,3; Till overtime, can select to read once more or withdraw from this and read process this moment.
Further,, resolve the data field of induction type WiFi electronic tag SSID, obtain the bit string that label transmits, carry out further may further comprise the steps after the bit string feature operation according to different application definitions:
Intelligent terminal leaves the induction region of induction type WiFi electronic tag; Infrared unit receives head and does not receive by the infrared ray of intelligent terminal reflection, notification controller, and controller instruction simulation switch breaks off; It is minimum regulating the WiFi signal transmission power; Wireless signal is no longer outwards launched in short distance directional antenna loss signal source, and the pilot light unit stops flicker simultaneously.
Further, said analog switch disconnection is to receive head by infrared unit not receive infrared ray triggering or the overtime triggering of controller timing that is reflected;
Receive the infrared ray that is reflected when infrared unit receives head, behind the notification controller, controller can get into a time-count cycle immediately; The instruction simulation switch breaks off after time-count cycle; Wireless signal is no longer outwards launched in short distance directional antenna loss signal source, and the pilot light unit stops flicker simultaneously; Controller is when getting in the time-count cycle; Has the timing function of reset; In the time of promptly in controller is getting into a time-count cycle, if intelligent terminal has left the induction region of induction type WiFi electronic tag, another intelligent terminal is after the induction region that timing finishes to advance into induction type WiFi electronic tag triggers infrared unit; Controller can be removed timing last time duration, gets into a new time-count cycle again.
Further; Said controller can be adjusted the duty of the WiFi chip of WiFi electronic tag, and when infrared unit was not triggered for a long time, adjustment WiFi chip made it to get into dormant state; After infrared unit is triggered, adjusts the WiFi chip immediately and get into duty.
Further, definite method of said induction region is:
1), it is 10 centimetres with the actual induction distance adjustment of infrared unit through regulating the infrared unit emissive porwer and receive the sensitivity of head;
2) through the emissive power of regulating the WiFi chip effective transmitting range of short distance directional antenna is controlled within 10 centimetres; Adopt the controllable gain antenna, according to the distance of reaction requirement, select best loading element value, make antenna closely satisfy the signal intensity requirement, satisfaction is upon request in 10 cm range to make induction type WiFi electronic tag.
3), guaranteed that intelligent terminal must be in the WiFi signal that just can scan the emission of induction type WiFi electronic tag in 10 centimetres in radiating surface the place ahead of short distance directional antenna through reading in the process judgement that whether signal intensity is reached pre-set threshold value.
Another purpose of the embodiment of the invention is to provide a kind of induction type WiFi electronic tag; The WiFi electronic tag includes control module; The signal output part of the infrared unit of control module links to each other with the signal receiving end of controller; The switch control end of controller links to each other with the control signal receiving end of analog switch, and the WiFi control end of controller links to each other with the power adjustments end of WiFi chip, the prompting control end of controller respectively with reminding module on voice unit (VU), light unit link to each other; The signal output part of WiFi chip links to each other with the WiFi signal input part of analog switch; The WiFi signal output part of analog switch links to each other with the WiFi signal input part of short distance directional antenna, the wireless transmitting terminals of short distance directional antenna and intelligent terminal radio communication, and the infrared receiving end of intelligent terminal and infrared unit carries out infrared induction.
Described infrared unit can sound, vibrations or electromagnetic wave are the sensing unit of propagation medium.
The actual induction distance of described infrared unit is no more than 10 centimetres; The communication distance of described short distance directional antenna and intelligent terminal is no more than 10 centimetres.
Described infrared unit and short distance directional antenna are installed on the adjacent position of same surface level, and the emission of infrared unit is consistent with the transmit direction of receive direction and short distance directional antenna.
Advantage of the present invention:
1) the induction type WiFi electronic tag of the present invention's design works on the 802.11x agreement; Fetch equipment only need contain the WiFi module, promptly can read this electronic tag, and existing intelligent terminal, all kinds of PAD, notebook computer all carry the WiFi module more than 95%; Compare with the NFC electronic tag; Need not existing equipment increases any hardware, and applicability is wide, promotes with low cost.
2) the induction type WiFi electronic tag of the present invention's design is as a kind of less radio-frequency electron-like label, and fetch equipment only needs closely to respond to (in 10 centimetres) with label and gets final product, and the attitude of fetch equipment is not had any requirement.
3) the induction type WiFi electronic tag of the present invention design has guaranteed that intelligent terminal must be in the WiFi signal that just can scan the emission of induction type WiFi electronic tag in 10 centimetres in radiating surface the place ahead of short distance directional antenna; Prevent the generation of the incident that is stolen of message transmitting procedure, guaranteed the accuracy and the security of information transmission.
4) infrared unit in the induction type WiFi electronic tag of the present invention's design adopts bull emission and the design that bull receives, and has improved induction sensitivity, and the infrared induction success ratio is more than 99%.
Description of drawings
Fig. 1 is the apparatus structure synoptic diagram of the induction type WiFi electronic tag that provides of the embodiment of the invention;
Fig. 2 is the main method process flow diagram of the induction type WiFi electronic tag embodiment that provides of the embodiment of the invention;
Fig. 3 is the system flowchart of the induction type WiFi electronic tag that provides of the embodiment of the invention;
Fig. 4 is WiFi chip operation state machine and the migration adjusting figure that the embodiment of the invention provides.
Embodiment
In order to make the object of the invention, technical scheme and advantage clearer,, the present invention is further elaborated below in conjunction with accompanying drawing and embodiment.Should be appreciated that specific embodiment described herein only in order to explanation the present invention, and be not used in qualification the present invention.
The embodiment of the invention provides a kind of induction type WiFi electronic tag read method, and this read method may further comprise the steps:
Step 1, in induction region, according to steering order, regulating the WiFi signal power be maximum, outwards launches the WiFi signal;
WiFi signal around step 2, the scanning obtains signal tabulation, and wherein every bars information comprises SSID, BSSID and signal intensity;
Step 3, the tabulation of traversal gained signal scan induction type WiFi electronic tag;
In embodiments of the present invention, in induction region, according to steering order, it is maximum regulating the WiFi signal power, and the concrete implementation method of outwards launching the WiFi signal is:
Intelligent terminal gets in the induction region of induction type WiFi electronic tag; Infrared unit receives head and receives by the infrared ray of intelligent terminal reflection; The sound prompting, light unit of notification controller, controller indication voice unit (VU) begins to continue flicker, while instruction simulation switch closure; It is maximum regulating the WiFi signal power, and the WiFi signal is outwards launched via the short distance directional antenna.
In embodiments of the present invention, the tabulation of traversal gained signal further may further comprise the steps:
If there is preset verification relation in the gained signal intensity greater than pre-set threshold value, SSID and BSSID, confirm that then this SSID is that induction type WiFi electronic tag sends; Otherwise this signal is not that the WiFi electronic tag sends;
If analysis result has a plurality of; Then basis signal intensity ordering; The WiFi electronic tag for intelligent terminal induction that default signal is the strongest is sent, and once travels through and does not find any signal that satisfies condition if then carry out step 4, then repeats above-mentioned steps 2,3; Till overtime, can select to read once more or withdraw from this and read process this moment.
In embodiments of the present invention,, resolve the data field of induction type WiFi electronic tag SSID, obtain the bit string that label transmits, carry out further may further comprise the steps after the bit string feature operation according to different application definitions:
Intelligent terminal leaves the induction region of induction type WiFi electronic tag; Infrared unit receives head and does not receive by the infrared ray of intelligent terminal reflection, notification controller, and controller instruction simulation switch breaks off; It is minimum regulating the WiFi signal transmission power; Wireless signal is no longer outwards launched in short distance directional antenna loss signal source, and the pilot light unit stops flicker simultaneously.
In embodiments of the present invention, the analog switch disconnection is to receive head by infrared unit not receive infrared ray triggering or the overtime triggering of controller timing that is reflected;
Receive the infrared ray that is reflected when infrared unit receives head, behind the notification controller, controller can get into a time-count cycle immediately; The instruction simulation switch breaks off after time-count cycle; Wireless signal is no longer outwards launched in short distance directional antenna loss signal source, and the pilot light unit stops flicker simultaneously; Controller is when getting in the time-count cycle; Has the timing function of reset; In the time of promptly in controller is getting into a time-count cycle, if intelligent terminal has left the induction region of induction type WiFi electronic tag, another intelligent terminal is after the induction region that timing finishes to advance into induction type WiFi electronic tag triggers infrared unit; Controller can be removed timing last time duration, gets into a new time-count cycle again.
In embodiments of the present invention; Controller can be adjusted the duty of the WiFi chip of WiFi electronic tag, and when infrared unit was not triggered for a long time, adjustment WiFi chip made it to get into dormant state; After infrared unit is triggered, adjusts the WiFi chip immediately and get into duty; When infrared unit was not triggered for a long time, adjustment WiFi chip made it to get into dormant state, after infrared unit is triggered, adjusted the WiFi chip immediately and got into duty.
In embodiments of the present invention, definite method of induction region is:
(1), it is 10 centimetres with the actual induction distance adjustment of infrared unit through regulating the infrared unit emissive porwer and receive the sensitivity of head;
(2) through the emissive power of regulating the WiFi chip effective transmitting range of short distance directional antenna is controlled within 10 centimetres; Adopt the controllable gain antenna, according to the distance of reaction requirement, select best loading element value, make antenna closely satisfy the signal intensity requirement, satisfaction is upon request in 10 cm range to make induction type WiFi electronic tag.
(3), guaranteed that intelligent terminal must be in the WiFi signal that just can scan the emission of induction type WiFi electronic tag in 10 centimetres in radiating surface the place ahead of short distance directional antenna through reading in the process judgement that whether signal intensity is reached pre-set threshold value.
Another purpose of the embodiment of the invention is to provide a kind of novel induction type WiFi electronic tag, and this WiFi electronic tag comprises:
The WiFi chip is used to generate the radio broadcasting signal source, and there are preset verification relation in the SSID of this signal source and BSSID; The short distance directional antenna is used for the WiFi signal that transmits via analog switch is outwards carried out the short distance directional transmissions;
Bull emission and the infrared unit that bull receives are used for ultrared emission and reception, transmit and receive the intelligent terminal in the detection sensor district, output result of detection signal through ultrared; Continue to receive under the situation of the infrared signal that is reflected, if intelligent terminal leaves induction region, infraredly no longer be reflected, the infrared message informing controller that no longer is reflected;
Controller is used to receive the control signal of infrared unit output, the sending of control sound prompting, lamp flicker or close, the disconnection of the adjustment of WiFi duty, analog switch and closed, the adjusting of WiFi signal transmission power and the switching of clocking capability;
Reminding module is used to receive the instruction of controller, sends indicator signal, prompting user's intelligent terminal sensor label success.
In embodiments of the present invention, reminding module comprises:
Light unit is used to receive the instruction of controller, light flash; And
Voice unit (VU) is used to receive the instruction of controller, the prompting of sounding.
In embodiments of the present invention, can also to adopt with sound, vibrations, electromagnetic wave etc. be the sensing unit of propagation medium to infrared unit 2.
Claims (10)
1. an induction type WiFi electronic tag read method is characterized in that, may further comprise the steps:
Step 1, in induction region, according to steering order, regulating the WiFi signal power be maximum, outwards launches the WiFi signal;
WiFi signal around step 2, the scanning obtains signal tabulation, and wherein every bars information comprises SSID, BSSID and signal intensity;
Step 3, the tabulation of traversal gained signal scan induction type WiFi electronic tag;
Step 4, the application definition that foundation is different, the data field of parsing induction type WiFi electronic tag SSID obtains the bit string that label transmits, and carries out the bit string feature operation.
2. WiFi electronic tag read method as claimed in claim 1 is characterized in that, in induction region, according to steering order, it is maximum regulating the WiFi signal power, and the concrete implementation method of outwards launching the WiFi signal is:
Intelligent terminal gets in the induction region of induction type WiFi electronic tag; Infrared unit receives head and receives by the infrared ray of intelligent terminal reflection; The sound prompting, light unit of notification controller, controller indication voice unit (VU) begins to continue flicker, while instruction simulation switch closure; It is maximum regulating the WiFi signal power, and the WiFi signal is outwards launched via the short distance directional antenna.
3. WiFi electronic tag read method as claimed in claim 1 is characterized in that, said traversal gained signal tabulation further may further comprise the steps:
If there is preset verification relation in the gained signal intensity greater than pre-set threshold value, SSID and BSSID, confirm that then this SSID is that induction type WiFi electronic tag sends; Otherwise this signal is not that the WiFi electronic tag sends;
If analysis result has a plurality of; Then basis signal intensity ordering; The WiFi electronic tag for intelligent terminal induction that default signal is the strongest is sent, and once travels through and does not find any signal that satisfies condition if then carry out step 4, then repeats above-mentioned steps 2,3; Till overtime, can select to read once more or withdraw from this and read process this moment.
4. WiFi electronic tag read method as claimed in claim 1; It is characterized in that,, resolve the data field of induction type WiFi electronic tag SSID according to different application definitions; Obtain the bit string that label transmits, carry out further may further comprise the steps after the bit string feature operation:
Intelligent terminal leaves the induction region of induction type WiFi electronic tag; Infrared unit receives head and does not receive by the infrared ray of intelligent terminal reflection, notification controller, and controller instruction simulation switch breaks off; It is minimum regulating the WiFi signal transmission power; Wireless signal is no longer outwards launched in short distance directional antenna loss signal source, and the pilot light unit stops flicker simultaneously.
5. WiFi electronic tag read method as claimed in claim 4 is characterized in that, it is to receive head by infrared unit not receive infrared ray triggering or the overtime triggering of controller timing that is reflected that said analog switch breaks off;
Receive the infrared ray that is reflected when infrared unit receives head, behind the notification controller, controller can get into a time-count cycle immediately; The instruction simulation switch breaks off after time-count cycle; Wireless signal is no longer outwards launched in short distance directional antenna loss signal source, and the pilot light unit stops flicker simultaneously; Controller is when getting in the time-count cycle; Has the timing function of reset; In the time of promptly in controller is getting into a time-count cycle, if intelligent terminal has left the induction region of induction type WiFi electronic tag, another intelligent terminal is after the induction region that timing finishes to advance into induction type WiFi electronic tag triggers infrared unit; Controller can be removed timing last time duration, gets into a new time-count cycle again.
6. WiFi electronic tag read method as claimed in claim 4; It is characterized in that; Said controller can be adjusted the duty of the WiFi chip of WiFi electronic tag, and when infrared unit was not triggered for a long time, adjustment WiFi chip made it to get into dormant state; After infrared unit is triggered, adjusts the WiFi chip immediately and get into duty.
7. like any described WiFi electronic tag read method of claim 1 to 6, it is characterized in that definite method of said induction region is:
1), it is 10 centimetres with the actual induction distance adjustment of infrared unit through regulating the infrared unit emissive porwer and receive the sensitivity of head;
2) through the emissive power of regulating the WiFi chip effective transmitting range of short distance directional antenna is controlled within 10 centimetres; Adopt the controllable gain antenna, according to the distance of reaction requirement, select best loading element value, make antenna closely satisfy the signal intensity requirement, satisfaction is upon request in 10 cm range to make induction type WiFi electronic tag;
3), guaranteed that intelligent terminal must be in the WiFi signal that just can scan the emission of induction type WiFi electronic tag in 10 centimetres in radiating surface the place ahead of short distance directional antenna through reading in the process judgement that whether signal intensity is reached pre-set threshold value.
8. induction type WiFi electronic tag; It is characterized in that; The WiFi electronic tag includes control module (1); The signal output part of the infrared unit (2) of control module (1) links to each other with the signal receiving end of controller (3); The switch control end of controller (3) links to each other with the control signal receiving end of analog switch (4), and the WiFi control end of controller (3) links to each other with the power adjustments end of WiFi chip (5), the prompting control end of controller (3) respectively with reminding module (8) on voice unit (VU) (6), light unit (7) link to each other; The signal output part of WiFi chip (5) links to each other with the WiFi signal input part of analog switch (4); The WiFi signal output part of analog switch (4) links to each other with the WiFi signal input part of short distance directional antenna (9), the wireless transmitting terminals of short distance directional antenna (9) and intelligent terminal (10) radio communication, and intelligent terminal (10) carries out infrared induction with the infrared receiving end of infrared unit (2).
9. a kind of induction type WiFi electronic tag according to claim 1 is characterized in that, described infrared unit (2) can sound, vibrations or electromagnetic wave are the sensing unit of propagation medium; The actual induction distance of described infrared unit (2) is no more than 10 centimetres; Described short distance directional antenna (9) is no more than 10 centimetres with the communication distance of intelligent terminal (10).
10. a kind of induction type WiFi electronic tag according to claim 8; It is characterized in that; Described infrared unit (2) is installed on the adjacent position of same surface level with short distance directional antenna (9), and the emission of infrared unit (2) is consistent with the transmit direction of receive direction and short distance directional antenna (9).
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| CN201210346202.2A CN102831458B (en) | 2012-09-18 | 2012-09-18 | A kind of induction type WiFi electronic tag and read method thereof |
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| CN201210346202.2A CN102831458B (en) | 2012-09-18 | 2012-09-18 | A kind of induction type WiFi electronic tag and read method thereof |
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| CN104346638A (en) * | 2014-10-28 | 2015-02-11 | 中山大学 | RFID (radio frequency identification) label data intelligent allocation and access method |
| CN105207813A (en) * | 2015-08-28 | 2015-12-30 | 小米科技有限责任公司 | Intelligent equipment sorting method and apparatus |
| CN106682559A (en) * | 2017-03-02 | 2017-05-17 | 苏州摩比力特电子科技有限公司 | Radio frequency identification read terminal and radio frequency identification read success prompting method |
| CN106777906A (en) * | 2016-11-21 | 2017-05-31 | 今日天鸿（天津）医疗卫生科技有限公司 | Internet of Things intelligent disinfecting liquid bottle inspection control system and method |
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| CN104346638A (en) * | 2014-10-28 | 2015-02-11 | 中山大学 | RFID (radio frequency identification) label data intelligent allocation and access method |
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| CN109918955A (en) * | 2017-12-13 | 2019-06-21 | 西安中兴新软件有限责任公司 | One kind guidance field of swiping the card determines method, apparatus and card reader |
| CN110076497A (en) * | 2019-04-25 | 2019-08-02 | 大族激光科技产业集团股份有限公司 | Area's tracking device, method and its welding equipment to be welded, system |
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| CN102831458B (en) | 2015-09-16 |
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