CN102831458B - A kind of induction type WiFi electronic tag and read method thereof - Google Patents
A kind of induction type WiFi electronic tag and read method thereof Download PDFInfo
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- CN102831458B CN102831458B CN201210346202.2A CN201210346202A CN102831458B CN 102831458 B CN102831458 B CN 102831458B CN 201210346202 A CN201210346202 A CN 201210346202A CN 102831458 B CN102831458 B CN 102831458B
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Abstract
A kind of induction type WiFi electronic tag and read method thereof, induction type WiFi electronic tag includes control module, the infrared unit of control module is connected with controller, controller is connected with analog switch, WiFi chip is connected, controller respectively with the voice unit (VU) on reminding module, light unit is connected, WiFi chip is connected with short distance directional antenna by analog switch, short distance directional antenna and intelligent terminal radio communication, intelligent terminal and infrared unit radio communication, in induction region, according to steering order, WiFi signal power is regulated to be maximum, outside transmitting WiFi signal, scanning WiFi signal around, obtains a signal list, the list of traversal gained signal, scans induction type WiFi electronic tag, according to different application definitions, resolve the data field of induction type WiFi electronic tag SSID, obtain the bit string that label transmits, carry out bit string feature operation, there is applicability wide, promote with low cost, the feature that security is high and induction sensitivity is high.
Description
Technical field
The invention belongs to electronic label technology field, particularly relate to a kind of induction type WiFi electronic tag and read method thereof.
Background technology
At present, the label that the intelligent movable communication facilitiess such as intelligent terminal, computer, ipad can read at present comprises bar code, Quick Response Code, NFC label etc., meets the demand that people use the intelligent movable communication facilities quick obtaining information such as intelligent terminal, computer, ipad.
But the reading of the printing such as bar code, Quick Response Code class label, after needing user to open the corresponding recognizer of the intelligent movable communication facilitiess such as intelligent terminal, computer, ipad, by camera alignment bar shape code, two-dimension code label, recognizer, by focusing, focusing etc., completes the scanning to label, decoding and identification.In tag recognition process, user needs to make certain posture and is fixed on a certain attitude to guarantee intelligent terminal thus keeps the stable of camera, to ensure that recognizer can normally work.This process brings inconvenience to the use of user.
The application of electronic label technology solves the inconvenience of the intelligent movable communication facilitiess such as intelligent terminal, computer, ipad to user in the printing such as bar code, Quick Response Code class tag recognition process.This technology is by radio signals identification specific objective and read and write related data, and without the need to setting up machinery or optical contact between recognition system and specific objective.Conventional has RFID label tag, NFC label etc., but all needs to be realized by proprietary read module to their read-write, and the read-write capability of electronic tag do not supported by the intelligent movable communication facilitiess such as the intelligent terminal of current more than 99%, computer, ipad.In order to realize reading tag easily, transformation is carried out to used equipment unrealistic; And during new equipment production, increase the module for reading and writing of electronic tag, increase equipment cost again, device fabrication producer and user are not very willing to check for this reason, situation like this, extends the marketing time of the intelligent movable communication facilitiess such as the intelligent terminal of the read-write capability with electronic tag, computer, iPad.
Summary of the invention
The object of the embodiment of the present invention is to provide a kind of novel induction type WiFi electronic tag and read method thereof, and the read-write capability of electronic tag do not supported by the intelligent movable communication facilities such as intelligent terminal, computer, ipad being intended to solution current more than 99%; In order to realize reading electronic labels easily, transformation is carried out to used equipment unrealistic; And during new equipment production, increase the module for reading and writing of electronic tag, increase again production equipment cost, cause all not very willing problem of for this reason checking of producer and user.
The embodiment of the present invention is achieved in that a kind of induction type WiFi electronic tag read method, and described read method comprises the following steps:
Step 1, in induction region, according to steering order, regulate WiFi signal power to be maximum, outwards launch WiFi signal;
Step 2, scanning WiFi signal around, obtain a signal list, and wherein every bars packets of information is containing SSID, BSSID and signal intensity;
Step 3, the list of traversal gained signal, scan induction type WiFi electronic tag;
Step 4, according to different application definitions, resolve the data field of induction type WiFi electronic tag SSID, obtain the bit string that label transmits, carry out bit string feature operation.
Further, in induction region, according to steering order, regulate WiFi signal power to be maximum, the concrete methods of realizing outwards launching WiFi signal is:
Intelligent terminal enters in the induction region of induction type WiFi electronic tag, infrared unit Receiver receives the infrared ray reflected by intelligent terminal, notification controller, sound prompting, light unit of controller instruction voice unit (VU) starts to continue to glimmer, instruction simulation switch closes simultaneously, regulate WiFi signal power to be maximum, WiFi signal is outwards launched via short distance directional antenna.
Further, the list of described traversal gained signal is further comprising the steps:
If gained signal intensity is greater than pre-set threshold value, SSID and BSSID exists default verification relation, then confirm that this SSID is that induction type WiFi electronic tag sends; Otherwise this signal is not that WiFi electronic tag sends;
If analysis result has multiple, then basis signal intensity sequence, the WiFi electronic tag for intelligent terminal induction that default signal is the strongest sends, if then carry out step 4 once to travel through and do not find any signal satisfied condition, then repeat above-mentioned steps 2,3, till time-out, now can select again to read or exit this reading process.
Further, according to different application definitions, resolve the data field of induction type WiFi electronic tag SSID, obtain the bit string that label transmits, further comprising the steps after carrying out bit string feature operation:
Intelligent terminal leaves the induction region of induction type WiFi electronic tag, infrared unit Receiver does not receive the infrared ray reflected by intelligent terminal, notification controller, controller instruction simulation switch disconnects, WiFi signal emissive power is regulated to be minimum, short distance directional antenna loss signal source, no longer outwards wireless signal emission, pilot light unit stops flicker simultaneously.
Further, described analog switch disconnects is do not received by infrared unit Receiver to be triggered or the triggering of controller timing time-out by the infrared ray reflected;
When infrared unit Receiver receives by the infrared ray reflected, after notification controller, controller can enter a time-count cycle immediately, after time-count cycle, instruction simulation switch disconnects, short distance directional antenna loss signal source, no longer outwards wireless signal emission, pilot light unit stops flicker simultaneously; Controller is when entering in the time-count cycle, there is timing function of reset, namely when controller is when entering in the time-count cycle, if an intelligent terminal have left the induction region of induction type WiFi electronic tag, another intelligent terminal is after the induction region that timing terminates to advance into induction type WiFi electronic tag triggers infrared unit, controller can remove timing last time duration, reenters a new time-count cycle.
Further, described controller can adjust the duty of the WiFi chip of WiFi electronic tag, and when infrared unit is not triggered for a long time, adjustment WiFi chip makes it to enter dormant state, after infrared unit is triggered, adjusts WiFi chip immediately and enter duty.
Further, the defining method of described induction region is:
1) by regulating the sensitivity of infrared unit emissive porwer and Receiver, it is 10 centimetres by the actual induction distance adjustment of infrared unit;
2) by regulating the emissive power of WiFi chip to make effective transmitting range of short distance directional antenna control within 10 centimetres; Adopt controllable gain antenna, according to distance of reaction requirement, select best loading element value, make antenna closely meet signal intensity requirement, induction type WiFi electronic tag satisfaction in 10 cm range should be required.
3) by whether reaching the judgement of pre-set threshold value in reading process to signal intensity, ensure that in 10 centimetres, the radiating surface front that intelligent terminal must be in short distance directional antenna the WiFi signal that just can scan induction type WiFi electronic tag and launch.
Another object of the embodiment of the present invention is to provide a kind of induction type WiFi electronic tag, WiFi electronic tag includes control module 1, the signal output part of the infrared unit 2 of control module 1 is connected with the signal receiving end of controller 3, the switch control terminal of controller 3 is connected with the control signal receiving end of analog switch 4, the WiFi control end of controller 3 is connected with the power adjustments end of WiFi chip 5, the prompting control end of controller 3 respectively with the voice unit (VU) 6 on reminding module 8, light unit 7 is connected, the signal output part of WiFi chip 5 is connected with the WiFi signal input end of analog switch 4, the WiFi signal output terminal of analog switch 4 is connected with the WiFi signal input end of short distance directional antenna 9, the wireless transmitting terminals of short distance directional antenna 9 and intelligent terminal 10 radio communication, intelligent terminal 10 carries out infrared induction with the infrared receiver end of infrared unit 2.
Described infrared unit can sound, vibrations or electromagnetic wave be the sensing unit of propagation medium.
The actual induction distance of described infrared unit is no more than 10 centimetres; Described short distance directional antenna and the communication distance of intelligent terminal are no more than 10 centimetres.
Described infrared unit and short distance directional antenna are arranged on the adjacent position of same level, and the launching and receiving direction of infrared unit is consistent with the transmit direction of short distance directional antenna.
Advantage of the present invention:
1) the induction type WiFi electronic tag of the present invention's design works on 802.11x agreement, fetch equipment only need contain WiFi module, namely can read this electronic tag, and existing intelligent terminal, all kinds of PAD, notebook computer more than 95% all carry WiFi module, compared with NFC electronic tag, increase any hardware without the need to existing equipment, 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 closely need be responded to label (in 10 centimetres), without any requirement to the attitude of fetch equipment.
3) the induction type WiFi electronic tag of the present invention's design ensure that in 10 centimetres, the radiating surface front that intelligent terminal must be in short distance directional antenna the WiFi signal that just can scan induction type WiFi electronic tag and launch, prevent the generation of the event that is stolen of message transmitting procedure, ensure that 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 to launch the design received with bull, and improve induction sensitivity, infrared induction success ratio is more than 99%.
Accompanying drawing explanation
Fig. 1 is the apparatus structure schematic diagram of the induction type WiFi electronic tag that the embodiment of the present invention provides;
Fig. 2 is the main method process flow diagram of the induction type WiFi electronic tag embodiment that the embodiment of the present invention provides;
Fig. 3 is the system flowchart of the induction type WiFi electronic tag that the embodiment of the present invention provides;
Fig. 4 is the WiFi chip operation state machine that provides of the embodiment of the present invention and migration adjustment figure.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiments provide a kind of induction type WiFi electronic tag read method, this read method comprises the following steps:
Step 1, in induction region, according to steering order, regulate WiFi signal power to be maximum, outwards launch WiFi signal;
Step 2, scanning WiFi signal around, obtain a signal list, and wherein every bars packets of information is containing SSID, BSSID and signal intensity;
Step 3, the list of traversal gained signal, scan induction type WiFi electronic tag;
Step 4, according to different application definitions, resolve the data field of induction type WiFi electronic tag SSID, obtain the bit string that label transmits, carry out bit string feature operation.
In embodiments of the present invention, in induction region, according to steering order, regulate WiFi signal power to be maximum, the concrete methods of realizing outwards launching WiFi signal is:
Intelligent terminal enters in the induction region of induction type WiFi electronic tag, infrared unit Receiver receives the infrared ray reflected by intelligent terminal, notification controller, sound prompting, light unit of controller instruction voice unit (VU) starts to continue to glimmer, instruction simulation switch closes simultaneously, regulate WiFi signal power to be maximum, WiFi signal is outwards launched via short distance directional antenna.
In embodiments of the present invention, the list of gained signal is traveled through further comprising the steps:
If gained signal intensity is greater than pre-set threshold value, SSID and BSSID exists default verification relation, then confirm that this SSID is that induction type WiFi electronic tag sends; Otherwise this signal is not that WiFi electronic tag sends;
If analysis result has multiple, then basis signal intensity sequence, the WiFi for intelligent terminal induction that default signal is the strongest
Electronic tag sends, and once travels through do not find any signal satisfied condition if then carry out step 4, then repeat above-mentioned steps 2,3, till time-out, now can select again to read or exit this reading process.
In embodiments of the present invention, according to different application definitions, resolve the data field of induction type WiFi electronic tag SSID, obtain the bit string that label transmits, further comprising the steps after carrying out bit string feature operation:
Intelligent terminal leaves the induction region of induction type WiFi electronic tag, infrared unit Receiver does not receive the infrared ray reflected by intelligent terminal, notification controller, controller instruction simulation switch disconnects, WiFi signal emissive power is regulated to be minimum, short distance directional antenna loss signal source, no longer outwards wireless signal emission, pilot light unit stops flicker simultaneously.
In embodiments of the present invention, analog switch disconnects is do not received by infrared unit Receiver to be triggered or the triggering of controller timing time-out by the infrared ray reflected;
When infrared unit Receiver receives by the infrared ray reflected, after notification controller, controller can enter a time-count cycle immediately, after time-count cycle, instruction simulation switch disconnects, short distance directional antenna loss signal source, no longer outwards wireless signal emission, pilot light unit stops flicker simultaneously; Controller is when entering in the time-count cycle, there is timing function of reset, namely when controller is when entering in the time-count cycle, if an intelligent terminal have left the induction region of induction type WiFi electronic tag, another intelligent terminal is after the induction region that timing terminates to advance into induction type WiFi electronic tag triggers infrared unit, controller can remove timing last time duration, reenters a new time-count cycle.
In embodiments of the present invention, controller can adjust the duty of the WiFi chip of WiFi electronic tag, and when infrared unit is not triggered for a long time, adjustment WiFi chip makes it to enter dormant state, after infrared unit is triggered, adjusts WiFi chip immediately and enter duty; When infrared unit is not triggered for a long time, adjustment WiFi chip makes it to enter dormant state, after infrared unit is triggered, adjusts WiFi chip immediately and enters duty.
In embodiments of the present invention, the defining method of induction region is:
(1) by regulating the sensitivity of infrared unit emissive porwer and Receiver, it is 10 centimetres by the actual induction distance adjustment of infrared unit;
(2) by regulating the emissive power of WiFi chip to make effective transmitting range of short distance directional antenna control within 10 centimetres; Adopt controllable gain antenna, according to distance of reaction requirement, select best loading element value, make antenna closely meet signal intensity requirement, induction type WiFi electronic tag satisfaction in 10 cm range should be required.
(3) by whether reaching the judgement of pre-set threshold value in reading process to signal intensity, ensure that in 10 centimetres, the radiating surface front that intelligent terminal must be in short distance directional antenna the WiFi signal that just can scan induction type WiFi electronic tag and launch.
Another object of the embodiment of the present invention is to provide a kind of novel induction type WiFi electronic tag, and this WiFi electronic tag comprises:
WiFi chip, for generating radio broadcasting signal source, there is default verification relation in SSID and the BSSID of this signal source; Short distance directional antenna, outwards carries out short distance directional transmissions for the WiFi signal will transmitted via analog switch;
Bull launches the infrared unit received with bull, and for ultrared launching and receiving, by ultrared transmitting and receiving, the intelligent terminal in detection sensor district, exports result of detection signal; When continuous reception infrared by reflected signal, if intelligent terminal leaves induction region, infraredly no longer to be reflected, by infrared no longer by the message informing controller reflected;
Controller, for receiving the control signal that infrared unit exports, control the sending of sound prompting, lamp flicker or close, the adjustment of WiFi duty, the disconnection of analog switch and closed, the adjustment of WiFi signal emissive power and the opening and closing of clocking capability;
Reminding module, for receiving the instruction of controller, sends indicator signal, the intelligent terminal sensor label success of prompting user.
In embodiments of the present invention, reminding module comprises:
Light unit, for receiving the instruction of controller, light flash; And voice unit (VU), for receiving the instruction of controller, prompting of sounding.
In embodiments of the present invention, the sensing unit that it is propagation medium that infrared unit 2 can also adopt with sound, vibrations, electromagnetic wave etc.
Claims (1)
1. an induction type WiFi electronic tag read method, is characterized in that, comprise the following steps:
Step 1, in induction region, according to steering order, regulate the WiFi signal power of electronic tag to be maximum, outwards launch WiFi signal;
The WiFi signal of step 2, scanning intelligent terminal around, obtains a signal list, and wherein every bars packets of information is containing SSID, BSSID and signal intensity;
Step 3, the list of traversal gained signal, scan induction type WiFi electronic tag;
Step 4, according to different application definitions, resolve the data field of induction type WiFi electronic tag SSID, obtain the bit string that label transmits, carry out bit string feature operation;
In induction region, according to steering order, regulate WiFi signal power to be maximum, the concrete methods of realizing outwards launching WiFi signal is:
Intelligent terminal enters in the induction region of induction type WiFi electronic tag, the infrared unit Receiver of electronic tag receives the infrared ray reflected by intelligent terminal, notification controller, sound prompting, light unit of controller instruction voice unit (VU) starts to continue to glimmer, instruction simulation switch closes simultaneously, regulate WiFi signal power to be maximum, WiFi signal is outwards launched via short distance directional antenna;
The list of described traversal gained signal is further comprising the steps:
If gained signal intensity is greater than pre-set threshold value, SSID and BSSID exists default verification relation, then confirm that this SSID is that induction type WiFi electronic tag sends; Otherwise this signal is not that WiFi electronic tag sends;
If analysis result has multiple, then basis signal intensity sequence, the WiFi electronic tag for intelligent terminal induction that default signal is the strongest sends, then carry out step 4, any signal satisfied condition is not found if once traveled through, then repeat above-mentioned steps 2,3, till time-out, now can select again to read or exit this reading process;
According to different application definitions, resolve the data field of induction type WiFi electronic tag SSID, obtain the bit string that label transmits, further comprising the steps after carrying out bit string feature operation:
Intelligent terminal leaves the induction region of induction type WiFi electronic tag, infrared unit Receiver does not receive the infrared ray reflected by intelligent terminal, notification controller, controller instruction simulation switch disconnects, WiFi signal transmission power is regulated to be minimum, short distance directional antenna loss signal source, no longer outwards wireless signal emission, pilot light unit stops flicker simultaneously;
It is do not received by infrared unit Receiver to be triggered or the triggering of controller timing time-out by the infrared ray reflected that described analog switch disconnects;
When infrared unit Receiver receives by the infrared ray reflected, after notification controller, controller enters a time-count cycle immediately, after time-count cycle, instruction simulation switch disconnects, short distance directional antenna loss signal source, no longer outwards wireless signal emission, pilot light unit stops flicker simultaneously; Controller is when entering in the time-count cycle, there is timing function of reset, namely when controller is when entering in the time-count cycle, if an intelligent terminal have left the induction region of induction type WiFi electronic tag, another intelligent terminal is after the induction region that timing terminates to advance into induction type WiFi electronic tag triggers infrared unit, timing last time duration removed by controller, reenters a new time-count cycle;
The duty of the WiFi chip of described controller adjustment WiFi electronic tag, when infrared unit is not triggered for a long time, adjustment WiFi chip makes it to enter dormant state, after infrared unit is triggered, adjusts WiFi chip immediately and enters duty;
The defining method of described induction region is:
1) by regulating the sensitivity of infrared unit emissive porwer and Receiver, it is 10 centimetres by the actual induction distance adjustment of infrared unit;
2) by regulating the emissive power of WiFi chip to make effective transmitting range of short distance directional antenna control within 10 centimetres; Adopt controllable gain antenna, according to distance of reaction requirement, select best loading element value, make antenna closely meet signal intensity requirement, induction type WiFi electronic tag satisfaction in 10 cm range should be required;
3) by whether reaching the judgement of pre-set threshold value in reading process to signal intensity, ensure that in 10 centimetres, the radiating surface front that intelligent terminal must be in short distance directional antenna the WiFi signal that just can scan induction type WiFi electronic tag and launch.
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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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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104346638B (en) * | 2014-10-28 | 2017-05-24 | 中山大学 | RFID (radio frequency identification) label data intelligent allocation and access method |
| CN105207813B (en) * | 2015-08-28 | 2018-11-23 | 小米科技有限责任公司 | Smart machine sort method and device |
| CN106777906B (en) * | 2016-11-21 | 2024-01-23 | 北京今日天鸿医疗器械制造有限公司 | Intelligent disinfectant bottle detection and control system and method for Internet of things |
| CN106682559B (en) * | 2017-03-02 | 2023-08-08 | 苏州摩比信通智能系统有限公司 | Radio frequency identification reading terminal and radio frequency identification reading success prompting method |
| CN106904007B (en) * | 2017-03-30 | 2022-07-19 | 无锡零零七科技有限公司 | Sensing Units and Label Printers |
| 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 |
| CN110076497B (en) * | 2019-04-25 | 2022-05-06 | 大族激光科技产业集团股份有限公司 | Device and method for tracking to-be-welded area and welding equipment and system thereof |
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| CN101483894A (en) * | 2009-01-06 | 2009-07-15 | 北京交通大学 | Fast switching method for WLAN |
| CN102457849A (en) * | 2010-10-20 | 2012-05-16 | 诺基亚公司 | Wireless docking with out-of-band initiation |
| CN202854858U (en) * | 2012-09-18 | 2013-04-03 | 陕西海创中盈信息技术有限公司 | Induction type WiFi electronic label |
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| US7107009B2 (en) * | 2002-06-26 | 2006-09-12 | Nokia Corporation | Method, system and computer program product for personalizing the functionality of a personal communication device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101483894A (en) * | 2009-01-06 | 2009-07-15 | 北京交通大学 | Fast switching method for WLAN |
| CN102457849A (en) * | 2010-10-20 | 2012-05-16 | 诺基亚公司 | Wireless docking with out-of-band initiation |
| CN202854858U (en) * | 2012-09-18 | 2013-04-03 | 陕西海创中盈信息技术有限公司 | Induction type WiFi electronic label |
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