CN101858974A - Positioning system - Google Patents
Positioning system Download PDFInfo
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- CN101858974A CN101858974A CN 201010198122 CN201010198122A CN101858974A CN 101858974 A CN101858974 A CN 101858974A CN 201010198122 CN201010198122 CN 201010198122 CN 201010198122 A CN201010198122 A CN 201010198122A CN 101858974 A CN101858974 A CN 101858974A
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Abstract
The invention provides a positioning system which comprises a data control module, a reader-writer, one or more radio-frequency labels and a server. The data control module is arranged in belongings of a user, used for storing a user ID and sending a read-write instruction to the reader-writer, wherein the user ID represents the identity of the user, the reader-writer is arranged in belongings of the user and used for sending a read-write signal through a first radio-frequency signal according to the read-write instruction, one or more radio-frequency labels are distributed in a preset region and used for receiving a radio-frequency label of the read-write signal and sending a stored label ID to the reader-writer through a second radio-frequency signal, the label ID represents the position of the radio-frequency label, the server is used for confirming the ID and the position of the user according to new data from the data control module, and the received label ID is sent by the reader-writer to the data control module which is used for processing the user ID and the label ID are processed into new data and sent the user ID and the label ID to the server. By the technical scheme, the rapid and effective positioning system aiming at the family environment is realized.
Description
Technical field
The present invention relates to the indoor positioning technology in the telecommunication technology field, in particular to a kind of positioning system based on REID (Radio Frequency Identification is hereinafter to be referred as RFID).
Background technology
The Smart Home industry has obtained development faster at nearly 2 years, arise at the historic moment in increasing intelligent dwelling, intelligent residential district.The consumer traditional defends tool, light fixture simultaneously selecting for use, also begins to pay attention to more to intelligence more, the demand of the service of hommization more.And User Recognition and location are the bases that the intelligent characteristic of Smart Home is implemented.
In the indoor positioning field, existing implementation method comprise ultrasound wave time of return difference method, electric wave interfere localization method, based on the localization method of Wi-Fi, and based on several big class methods such as indoor orientation method of RFID technology.
Wherein, the indoor orientation method based on the RFID technology of last class since its have usually that volume is little, cost is low, advantages such as noncontact and non line of sight, become the better selection of indoor positioning.In these class methods, according to the account form difference that is adopted, existing patent and implementation method comprise the RFID localization method based on phase difference ranging, this method ties up passive RF label at target to be measured place, and by plural read write line by separately antenna launching electromagnetic wave, electromagnetic wave is received by separately read write line respectively again after the radio-frequency (RF) tag reflection, determines distance between each read write line by measuring phase differential between electromagnetic transmitter, phase of each read write line and the receiving phase.But because the numerous electromagnetic interference (EMI) factors in the working environment all can cause the deviation of phase place or read write line can't read signal, thereby influence bearing accuracy, so this method is unsuitable for accurately moving location fast.
Another kind is as follows based on the technical scheme of the indoor orientation method of RFID technology: this system uses radio-frequency (RF) tag as location reference point, and by the mode that equilateral triangle is inlayed radio-frequency (RF) tag is arranged in the robot motion plane.On the robot chassis, read information in the radio-frequency (RF) tag by four read write lines of Single-chip Controlling, through the arrangement mode of radio-frequency (RF) tag is analyzed, thus the position that draws robot.But because the complicacy of processing procedure, and system is for the dependence of industrial computer data processing, so this system is unsuitable in domestic environment position of human body being judged fast.
Therefore, need a kind of positioning system that is suitable for domestic environment, can effectively utilize that above-mentioned volume is little, cost is low, advantages such as noncontact and non line of sight, can discern human body again effective and rapidly.
Summary of the invention
For one of addressing the above problem at least, the invention provides a kind of positioning system, comprising: the Data Control module, be arranged in user's vade mecum, store user ID, send read write command to read write line, wherein, described user ID is represented described user's identity; Described read write line is arranged in described vade mecum, sends read-write according to described read write command by first radiofrequency signal; One or more radio-frequency (RF) tag are distributed in the presumptive area, and the radio-frequency (RF) tag that receives described read-write arrives described read write line by the label ID that second radiofrequency signal sends its storage, and wherein, described label ID represents the position of described radio-frequency (RF) tag; And server, according to identity and the position of confirming described user from the new data of described Data Control module, wherein, the described label ID that described read write line will receive sends to described Data Control module, described Data Control module is treated to described new data with described user ID and described label ID, and sends to described server.Adopt the radiofrequency signal system that makes to have advantages such as precision height, low in energy consumption, noncontact and non line of sight.
In technique scheme, preferably, also comprise: database, store the corresponding relation of described user and described user ID and the corresponding relation of described radio-frequency (RF) tag and described label ID, and described server is by extracting described user ID and described label ID from described new data, and retrieves identity and the position that described database is confirmed the user.
In technique scheme, preferably, also comprise: supply module is described read write line and described Data Control module for power supply, and charges by the non-contact charge mode.This mode has been avoided the replacing demand of power supply, has strengthened the movability of positioning system.
In technique scheme, preferably, described Data Control module also comprises wireless sending module, and described server also comprises wireless receiving module, and described wireless sending module sends to described wireless receiving module with described new data with wireless mode.By wireless transmission method, give server with data processing task, strengthened the portability and the reliability of system.
In technique scheme, preferably, have first antenna on the described read write line, be used to launch described first radiofrequency signal; Have second antenna on the described radio-frequency (RF) tag, be used to launch second radiofrequency signal.
In technique scheme, preferably, the frequency and the intensity of described first radiofrequency signal and described second radiofrequency signal are preset value.
In technique scheme, preferably, described new data comprises the combination of described user ID, described label ID and parity check bit.
In technique scheme, preferably, the quantity of described read write line is two, lays respectively at the diverse location in the described vade mecum.Adopt the structure of two read write lines, reduced the fault rate of location.
In technique scheme, preferably, described one or more radio-frequency (RF) tag are positioned under the carpet of described presumptive area, and described vade mecum comprises described user's shoes.
By technique scheme, can realize a kind of positioning system that is suitable for domestic environment, can effectively utilize that above-mentioned volume is little, cost is low, advantage such as noncontact and non line of sight, can discern human body again effective and rapidly.
Description of drawings
Fig. 1 is the block diagram according to positioning system of the present invention;
Fig. 2 is the block diagram of positioning system according to an embodiment of the invention;
Fig. 3 is the synoptic diagram of the part that is placed in shoes of positioning system according to an embodiment of the invention;
Fig. 4 is the laying synoptic diagram of the radio-frequency (RF) tag of positioning system according to an embodiment of the invention;
Fig. 5 is the synoptic diagram of the new data of positioning system according to an embodiment of the invention;
Fig. 6 is the synoptic diagram that the supply module of positioning system according to an embodiment of the invention carries out non-contact charge.
Embodiment
Describe in detail according to embodiments of the invention below with reference to the accompanying drawings.
In order to understand the present invention better, at first some terms commonly used are made an explanation:
Radio-frequency (RF) identification (RFID) technology: be a kind of closely, the wireless communication technology of low-power consumption, high data rate.It utilizes RF-wise to carry out contactless bidirectional communication data exchange to reach the purpose of identification and location.This technology can obtain the locating information of centimetre-sized precision in several milliseconds, and transmission range is very big, and cost is lower.
The rfid system principle of work: the most basic rfid system is by electronic tag, read write line and transmit the miniature antenna of radiofrequency signal between label and read write line.When label places near the electromagnetic field of the fixed frequency that card reader sends, after just having obtained energy and electrification reset, originally the label that is in " dormant state " is activated and will contains message codes such as self kind identification code sign, manufacturer logos and launches through miniature antenna, for reader processing identification.
Non-contact charge technology: utilize electromagnetic induction, carry out the transmission that the energy coupling realizes energy by coil based on coil.Input end is transformed into direct current with electric main through full bridge rectifier during non-contact charger systems work, or directly is system's power supply with 24V direct current end.Convert high-frequency alternating current through the direct current of exporting behind the power management module to by the active crystal oscillator inversion of 2M and supply with elementary winding.By 2 telefault coupling energies, to be varied to direct current be battery charge to the electric current of secondary coil output through accepting rectification circuit.Because wireless charging is not fettered by socket and cable, has increased the movability and the availability of portable equipment greatly, provides more convenient, more humane use.
Fig. 1 is the block diagram according to positioning system of the present invention.
As shown in Figure 1, the invention provides a kind of positioning system, comprising: Data Control module 102, be arranged in user's vade mecum, store user ID, send read write command to read write line 104, wherein, described user ID is represented described user's identity; Described read write line 104 is arranged in described vade mecum, sends read-write according to described read write command by first radiofrequency signal; One or more radio-frequency (RF) tag 106, be distributed in the presumptive area, the radio-frequency (RF) tag 106 that receives described read-write arrives described read write line 104 by the label ID that second radiofrequency signal sends its storage, and wherein, described label ID represents the position of described radio-frequency (RF) tag 106; And server 108, according to identity and the position of confirming described user from the new data of described Data Control module 102, wherein, the described label ID that described read write line 104 will receive sends to described Data Control module 102, described Data Control module 102 is treated to described new data with described user ID and described label ID, and sends to described server 108.Adopt the radiofrequency signal system that makes to have advantages such as precision height, low in energy consumption, noncontact and non line of sight.
In technique scheme, also comprise: database, store the corresponding relation of described user and described user ID and the corresponding relation of described radio-frequency (RF) tag 106 and described label ID, and described server 108 is by extracting described user ID and described label ID from described new data, and retrieves identity and the position that described database is confirmed the user.
In technique scheme, also comprise: supply module is described read write line 104 and 102 power supplies of described Data Control module, and charges by the non-contact charge mode.This mode has been avoided the replacing demand of power supply, has strengthened the movability of positioning system.
In technique scheme, described Data Control module 102 also comprises wireless sending module, and described server 108 also comprises wireless receiving module, and described wireless sending module sends to described wireless receiving module with described new data with wireless mode.By wireless transmission method, give server with data processing task, strengthened the portability and the reliability of system.
In technique scheme, have first antenna on the described read write line 104, be used to launch described first radiofrequency signal; Have second antenna on the described radio-frequency (RF) tag 106, be used to launch second radiofrequency signal.
In technique scheme, the frequency and the intensity of described first radiofrequency signal and described second radiofrequency signal are preset value.
In technique scheme, described new data comprises the combination of described user ID, described label ID and parity check bit.
In technique scheme, the quantity of described read write line 104 is two, lays respectively at the diverse location in the described vade mecum.Adopt the structure of two read write lines, reduced the fault rate of location.
In technique scheme, described one or more radio-frequency (RF) tag are positioned under the carpet of described presumptive area, and described vade mecum comprises described user's shoes.
Fig. 2 to 6 is synoptic diagram of positioning system according to an embodiment of the invention.
As shown in Figure 2, positioning system comprises Data Control module 102, read write line 104 (carrying antenna), radio-frequency (RF) tag 106, wireless sending module 202, wireless receiving module 204 and supply module 208.As shown in Figure 3, wherein Data Control module 102, read write line 104 (comprising the first read write line 104A and the second read write line 104B) and wireless sending module 202 are positioned on user's the shoes.And radio-frequency (RF) tag 106 is distributed under the indoor carpet.As shown in Figure 4, radio-frequency (RF) tag 106 is placed in turn by the block of dividing among the figure, can realize like this locating very accurately.To this, can according in the reality to the needs of degree of accuracy, adjust the laying density of radio-frequency (RF) tag 106, to satisfy user's demand.
In actual applications, when read write line 104 was in the center of four radio-frequency (RF) tag 106, may cause owing to the conflict of data can't reading of data.For this reason, two reader/writer mode have been adopted in the present embodiment.And when required positioning accuracy request is not high, can reduce the laying density of radio-frequency (RF) tag 106, also just reduced the possibility of conflict.
The read write line 104 that present embodiment is selected for use is the short distance rfid interrogator, and maximum reading/writing distance is 4-6 centimetre, and 40 millimeters of read write line 104 length of antennas that is with are wide 32 millimeters.The first read write line 104A and the second read write line 104B are placed on the front portion and the middle part of shoes respectively, thereby form two independently read-write zones, can carry out the binary channels reading of data simultaneously, have increased the reliability of system.
Data Control module 102 comprises single-chip microcomputer, Voltage stabilizing module and correspondent peripheral circuit.After the system start-up, single-chip microcomputer sends read write command to read write line 104, and control read write line 104 sends radiofrequency signal.When the user walks on the carpet in doors, radio-frequency (RF) tag 106 will enter the reading range of read write line 104, excited by it, and radio-frequency (RF) tag 106 can be sent its entrained label ID and by read write line 104 data be returned to single-chip microcomputer.As shown in Figure 5, single-chip microcomputer can carry out pre-service to label ID 504, adds user ID 502 before label ID 504, and the new data of formation is made up of user ID 502, label ID 504, parity check bit 506 3 parts.Wherein, user ID 502 is corresponding one by one with the user, and label ID 504 is corresponding one by one with position coordinates.
Single-chip microcomputer starts wireless sending module 202 then, and new data is sent to wireless receiving module 204 at a distance by form by radiofrequency signal.After wireless receiving module 204 is received new data, new data is passed to server 108 by serial ports.Detected new data, server 108 can take out user ID data and label ID respectively from new data, and retrieve the corresponding informance that is used for ID and user, label ID and position coordinates that is stored in advance in the database 206, thereby realize accurately personnel's differentiation fast and location.
Supply module 208 is for total system provides electric energy.As shown in Figure 6, when the user was placed on shoes on the shoe rack, receiving end 602 carried out the transmission that the energy coupling realizes energy with the transmitting terminal 604 of shoe rack below by coil, thereby realizes supply module 208 is charged.The battery that supply module 208 is adopted is a rechargeable battery, and 4.7 volts of voltages can be provided, 1200 milliamperes of electric currents, long 40 millimeters, wide 20 millimeters, high 5 millimeters, be easy to carry, and the life-span reaches 2-3, significantly reduced the battery altering number of times, provide convenient, reliably service.
By technique scheme, can realize a kind of positioning system that is suitable for domestic environment, can effectively utilize that above-mentioned volume is little, cost is low, advantage such as noncontact and non line of sight, can discern human body again effective and rapidly.In actual applications, adopt two read write line structures can reduce the fault rate of location, the laying of radio-frequency (RF) tag then can be adjusted according to the needs to bearing accuracy, the use of wireless sending module and wireless receiving module has then increased the portability and the reliability of system greatly, it can be used in combination with communication facilitiess such as mobile phone, PDA, and adopt the non-contact charge technology is the availability that system's charging has largely increased system, in sum, this positioning system can adapt to the demand of modern society's function household well.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (9)
1. a positioning system is characterized in that, comprising:
The Data Control module is arranged in user's vade mecum, stores user ID, sends read write command to read write line, and wherein, described user ID is represented described user's identity;
Described read write line is arranged in described vade mecum, sends read-write according to described read write command by first radiofrequency signal;
One or more radio-frequency (RF) tag are distributed in the presumptive area, and the radio-frequency (RF) tag that receives described read-write arrives described read write line by the label ID that second radiofrequency signal sends its storage, and wherein, described label ID represents the position of described radio-frequency (RF) tag; And
Server, according to identity and the position of confirming described user from the new data of described Data Control module,
Wherein, the described label ID that described read write line will receive sends to described Data Control module, and described Data Control module is treated to described new data with described user ID and described label ID, and sends to described server.
2. positioning system according to claim 1 is characterized in that, also comprises:
Database, store the corresponding relation of described user and described user ID and the corresponding relation of described radio-frequency (RF) tag and described label ID, and described server is by extracting described user ID and described label ID from described new data, and retrieves identity and the position that described database is confirmed the user.
3. positioning system according to claim 1 is characterized in that, also comprises:
Supply module is described read write line and described Data Control module for power supply, and charges by the non-contact charge mode.
4. positioning system according to claim 1, it is characterized in that, described Data Control module also comprises wireless sending module, and described server also comprises wireless receiving module, and described wireless sending module sends to described wireless receiving module with described new data with wireless mode.
5. positioning system according to claim 1 is characterized in that, has first antenna on the described read write line, is used to launch described first radiofrequency signal;
Have second antenna on the described radio-frequency (RF) tag, be used to launch described second radiofrequency signal.
6. positioning system according to claim 1 is characterized in that, the frequency and the intensity of described first radiofrequency signal and described second radiofrequency signal are preset value.
7. positioning system according to claim 1 is characterized in that, described new data comprises the combination of described user ID, described label ID and parity check bit.
8. positioning system according to claim 1 is characterized in that the quantity of described read write line is two, lays respectively at the diverse location in the described vade mecum.
9. according to each described positioning system in the claim 1 to 8, it is characterized in that described one or more radio-frequency (RF) tag are positioned under the carpet of described presumptive area, described vade mecum comprises described user's shoes.
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| CN 201010198122 CN101858974A (en) | 2010-06-03 | 2010-06-03 | Positioning system |
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| CN 201010198122 CN101858974A (en) | 2010-06-03 | 2010-06-03 | Positioning system |
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Cited By (12)
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| CN103900558A (en) * | 2014-03-06 | 2014-07-02 | 苏州华兴致远电子科技有限公司 | Shoe with positioning device, correction device and positioning data correction method |
| CN105049329A (en) * | 2015-07-08 | 2015-11-11 | 杭州木梢科技有限公司 | Portable message pushing method in home environment and equipment control system |
| CN105116740A (en) * | 2015-07-16 | 2015-12-02 | 深圳市泰瑞丰无线技术有限公司 | Smart home system assisted tablet computer and accessories |
| CN105205515A (en) * | 2015-09-23 | 2015-12-30 | 深圳市和亦弛科技有限公司 | Method and system for adopting electronic carpet for collecting data |
| CN105684259A (en) * | 2015-10-23 | 2016-06-15 | 陈银芳 | Handset wireless charging method and system |
| CN106249201A (en) * | 2016-08-29 | 2016-12-21 | 赵挺生 | A kind of ultrasonic locating active electronic label group device and localization method |
| WO2017147910A1 (en) * | 2016-03-04 | 2017-09-08 | 茹旷 | Method for switching smart home control using radio frequency positioning |
| WO2017147911A1 (en) * | 2016-03-04 | 2017-09-08 | 茹旷 | Automatic radio frequency home automation control system |
| CN109744833A (en) * | 2017-11-01 | 2019-05-14 | 光宝科技股份有限公司 | Intelligent floor mat, positioning system and localization method |
| CN112613911A (en) * | 2020-12-25 | 2021-04-06 | 美的集团股份有限公司 | User behavior analysis method and device |
| CN112799307A (en) * | 2020-12-25 | 2021-05-14 | 美的集团股份有限公司 | Intelligent control method and device for equipment |
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| CN103900558B (en) * | 2014-03-06 | 2017-03-29 | 苏州华兴致远电子科技有限公司 | Shoes with positioner and correcting unit and gps correction data method |
| CN105049329A (en) * | 2015-07-08 | 2015-11-11 | 杭州木梢科技有限公司 | Portable message pushing method in home environment and equipment control system |
| CN105116740A (en) * | 2015-07-16 | 2015-12-02 | 深圳市泰瑞丰无线技术有限公司 | Smart home system assisted tablet computer and accessories |
| CN105205515A (en) * | 2015-09-23 | 2015-12-30 | 深圳市和亦弛科技有限公司 | Method and system for adopting electronic carpet for collecting data |
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| WO2017147910A1 (en) * | 2016-03-04 | 2017-09-08 | 茹旷 | Method for switching smart home control using radio frequency positioning |
| WO2017147911A1 (en) * | 2016-03-04 | 2017-09-08 | 茹旷 | Automatic radio frequency home automation control system |
| CN106249201A (en) * | 2016-08-29 | 2016-12-21 | 赵挺生 | A kind of ultrasonic locating active electronic label group device and localization method |
| CN109744833A (en) * | 2017-11-01 | 2019-05-14 | 光宝科技股份有限公司 | Intelligent floor mat, positioning system and localization method |
| CN112613911A (en) * | 2020-12-25 | 2021-04-06 | 美的集团股份有限公司 | User behavior analysis method and device |
| CN112799307A (en) * | 2020-12-25 | 2021-05-14 | 美的集团股份有限公司 | Intelligent control method and device for equipment |
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