CN102568066A - Radio frequency identification system applied to identifying get-in state and get-out state - Google Patents
Radio frequency identification system applied to identifying get-in state and get-out state Download PDFInfo
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- CN102568066A CN102568066A CN2012100143773A CN201210014377A CN102568066A CN 102568066 A CN102568066 A CN 102568066A CN 2012100143773 A CN2012100143773 A CN 2012100143773A CN 201210014377 A CN201210014377 A CN 201210014377A CN 102568066 A CN102568066 A CN 102568066A
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Abstract
The invention provides a radio frequency identification (RFID) system applied to identifying a get-in state and a get-out state. The RFID system comprises at least two RFID card readers arranged at an inlet or an outlet, a processing unit connected with the RFID card readers and a storage unit in signal connection with the processing unit, wherein the two RFID card readers are arranged along a traveling line of the inlet or the outlet in a manner of spacing a preset distance; and the processing unit judges the get-in state and the get-out state of a user with an RFID tag according to reading states of the same RFID tag read by the RFID card readers and a historical record stored in the storage unit. According to the RFID system, the correctness of the RFID card readers for determining the get-in state and the get-out state can be improved; and the RFID system can be widely applied to school guards, intelligent traffics and parking lot systems.
Description
Technical field
The present invention relates to a kind of radio-frequency recognition system that is applied to pass in and out state recognition.
Background technology
" REID " is RFID (Radio Frequency IDentification) technology; Claim electronic tag, radio frequency identification again; It is a kind of communication technology; Can discern specific objective and read and write related data through radio signals, and need not to set up machinery between recognition system and the specific objective or optics contacts.The RFID technology can be discerned high-speed moving object and can discern a plurality of labels simultaneously, and is swift and convenient to operate.
The element of RFID comprises label (Tag): be made up of coupling element and chip, each label has unique electronic code, attached to identifying destination object on the object; Reader (Reader): read the equipment of (can also write sometimes) label information, can be designed to hand-held or fixed; Antenna (Antenna): between label and reader, transmit radiofrequency signal.
Automatic recognition system is to utilize background computer to handle to judge that the student passes in and out the software and hardware integrated system of school gate state.But because student's singularity reads card number simultaneously with the RFID card reader the objective shortcoming that can't remedy is arranged, so the state that RFID card reader affirmation student passes in and out school gate can't reach very high accuracy always.
Summary of the invention
The objective of the invention is to promote the accuracy that the RFID card reader is confirmed the turnover state.To judge that the student passes in and out the school gate state is example, and system of the present invention utilizes two RFID card reader separated by a distance to read the entrained radio-frequency identification card of student, utilizes logical relation to judge the student then and whether gets into or leave school fully.In case occur having only a RFID card reader to read the entrained radio-frequency identification card of student, will infer that the student passes in and out the state of school gate according to logical relation and the data query of each time period again.
Particularly, the invention provides a kind of radio-frequency recognition system that is applied to pass in and out state recognition, comprising:
At least two RFID card reader are arranged at the import or export place, and wherein said at least two RFID card reader are provided with the conduct route of the said import or export in mode edge of each interval one preset distance;
Processing unit connects said at least two RFID card reader; And
Storage unit is connected with said processing unit signal,
Wherein, said processing unit writes down the carrier's who judges this RFID label turnover state according to said at least two RFID card reader to stored historical in the reading state of same RFID label and the said storage unit.
According to a preferred embodiment of the present invention, in above-mentioned radio-frequency recognition system, said preset distance makes and does not receive interference each other between said at least two RFID card reader.
According to a preferred embodiment of the present invention, in above-mentioned radio-frequency recognition system, be connected through the RS-485 interface between said RFID card reader and the said processing unit.
According to a preferred embodiment of the present invention, in above-mentioned radio-frequency recognition system, said at least two RFID card reader comprise one the one RFID card reader and one the 2nd RFID card reader.
According to a preferred embodiment of the present invention; In above-mentioned radio-frequency recognition system; When the said first and second RFID card reader in a predetermined amount of time all read same RFID label; Said processing unit judges that whether the time interval of reading this RFID label of the said first and second RFID card reader is smaller or equal to a threshold value; If smaller or equal to the carrier that judges this RFID label would accomplish a subnormal turnover action, if greater than would judge that improper turnover action takes place the carrier of this RFID label.
According to a preferred embodiment of the present invention; In above-mentioned radio-frequency recognition system; When having only one to read a RFID label in the said first and second RFID card reader in a predetermined amount of time, improper turnover action takes place in the carrier of said this RFID label of processing unit judgement.
According to a preferred embodiment of the present invention, in above-mentioned radio-frequency recognition system, when the improper turnover of generation was moved, said processing unit write down in said storage unit and the query history record.
According to a preferred embodiment of the present invention, in above-mentioned radio-frequency recognition system, when there was the historical record of improper turnover action in this RFID label that improper turnover action takes place, said processing unit sent warning.
According to the present invention; Can overcome and have only setting automatically of a RFID card reader to judge the problem that the student often makes mistakes when passing in and out the school gate state in the system in the past; And having only a card reader to read under the situation of card number; Utilize some logical relations and data query, make a relative right judgement, judge that to reduce the student passes in and out the error rate of school gate state.
Should be appreciated that the above generality of the present invention is described and following detailed description all is exemplary and illustrative, and be intended to further explanation is provided for as claimed in claim the present invention.
Description of drawings
Accompanying drawing mainly is to be used to provide the present invention is further understood.Accompanying drawing shows embodiments of the invention, and plays the effect of explaining the principle of the invention with this instructions.In the accompanying drawing:
Fig. 1 schematically shows the structured flowchart of radio-frequency recognition system of the present invention.
Fig. 2 shows the process flow diagram of using one embodiment of the present of invention.
Fig. 3 is the logic analysis process flow diagram of special circumstances.
Embodiment
Describe technical scheme of the present invention in detail below in conjunction with accompanying drawing.
Fig. 1 schematically shows the structured flowchart of radio-frequency recognition system of the present invention.As shown in Figure 1, the radio-frequency recognition system 100 that is applied to pass in and out state recognition of the present invention mainly comprises: at least two RFID card reader, the first card reader 101-1 for example shown in Figure 1 and the second card reader 101-2; Processing unit 102 and storage unit 103.
These at least two RFID card reader are arranged at the import or export place, and wherein these at least two RFID card reader are provided with the conduct route of the said import or export in mode edge of each interval one preset distance.Said preset distance preferably can make and not receive interference processing unit 102 each other to connect these at least two RFID card reader at least between said two RFID card reader.Preferably, as shown in Figure 1, be connected through the RS-485 interface between said RFID card reader and the said processing unit 102.In addition, storage unit 103 is connected with said processing unit 102 signals.
According to the present invention, said processing unit 102 writes down the carrier's who judges this RFID label turnover state according to said at least two RFID card reader to stored historical in the reading state of same RFID label and the said storage unit 103.
According to an embodiment; When operation; When the said first and second RFID card reader in a predetermined amount of time all read same RFID label; Whether said processing unit 102 judges the time interval of reading this RFID label of the said first and second RFID card reader smaller or equal to a threshold value, if smaller or equal to the carrier that judges this RFID label would accomplish a subnormal turnover action, if greater than would judge that improper turnover action takes place the carrier of this RFID label.
According to another embodiment, when having only one to read a RFID label in the said first and second RFID card reader in a predetermined amount of time, improper turnover action takes place in the carrier of said processing unit 102 these RFID labels of judgement.
In the above embodiments, when the improper turnover of generation was moved, said processing unit write down in said storage unit and the query history record.In addition, when there was the historical record of improper turnover action in this RFID label that improper turnover action takes place, said processing unit 102 can also send warning.
Below, the example that passes in and out the school in conjunction with the student who is applied to school gate is described two specific embodiments of the present invention.In these two embodiment; At first to a RFID card reader be set at school gate; Be called card reader A, and a RFID card reader is set on student's the only way which must be passed, be called card reader B; And can not disturb each other, the information that reads is sent on the power PC terminating machine (being processing unit).PC has received the information of two RFID card reader different times, just can judge the state that the student passes in and out school gate through logic analysis.In this case, student's correctness of passing in and out school gate can reach one of percentage hundred.The RFID card reader is when reading card number, because the problem of bandwidth and radio-frequency identification card itself, and some odjective causes, one of can't percentage hundred reads the entrained radio-frequency identification card of student.When having only a card reader to read card number, and under the situation that another does not read, carry out the logic analysis of different time sections to make different judgements, pass in and out the state of school gate to confirm the student with data query.
Fig. 2 utilizes two dot informations to judge that the student passes in and out the process flow diagram of school gate state.The student passes through school gate earlier, passes through another point again, and just section is judged the into school state that is at any time.Through another point, pass through school gate more earlier, also section judgement at any time is in the school state.But if two dot informations between differ overlong time or have only a card reader to read card number, just need carry out the logic analysis of special special circumstances.
The first student is when the card reader A, and card reader A reads the radio-frequency card that the first student carries on one's body, and card number is sent on the PC, and PC receives after the card number, immediately with card number with receive that the time of card number is stored among the temporary library A; The first student continues to move ahead, and has passed through card reader B, and card reader B reads card number and sends to PC, PC receive behind the card number equally with card number with receive that the time of card number is stored among another temporary library B.In a single day temporary library A has information stores; Program will be automatically in temporary library B, constantly seek with temporary library A in the identical information of card number; In case find, just two times of receiving card number are compared, as long as these two times are no more than the official hour scope; Just can determine, the first student is into school or appearance.
Illustrate: card reader A reads card number 20110506; The time that sends on the PC is 7:21:30, and card reader B reads card number 20110506, and the time that sends on the PC is 7:22:12; Latter's time is greater than the former time; And the time that both differ is very short, just explains that the student who carries card number 20110506 has entered the school, if also gone out the school with regard to the student that card number 20110506 is described conversely.
Fig. 3 is the logic analysis process flow diagram of special circumstances.
Judge at first whether the time read card number is in and go to school or the time period that classes are over, if, will give a warning, to be prompted to the supvr not in these time periods.If in these time periods, with the logic analysis of doing four kinds of situation and judgement.
First kind: have only card reader A to read card number advancing the school time period,, can't judge whether the student has entered into school fully because card reader A is placed on school gate; So can only judge whether he enters the school through this student good record in the past; If do not occur record of bad behavior in the past, can confirm as into school, if but record of bad behavior is arranged; Just need give a warning, to be prompted to the supvr.
Second kind: have only card reader B to read card number advancing the school time period,, got into school so can confirm this student because card reader B is placed in the school.
The third: have only card reader A to read card number going out the school time period,, leave school so can confirm this student because card reader A is placed on school gate.
The 4th kind: have only card reader B to read card number going out the school time period,, can't judge whether the student leaves school because card reader B is placed in the school; So whether the classmate goes out the school through inquiry; Tentatively judge, according to this student record in the past, make final judgement again.Whether the inquiry classmate goes out the school, in a time period, repeat inquiry, just can make judgement.
As stated; According to the present invention; At first will correctly set two RFID card reader, and two card reader can read same card number in less time range, carry out logic analysis according to the time of reading card number then; Finally can obtain a right-on judged result, thereby overcome a situation that the RFID card reader can't correctly be judged.In case occur having only a card reader to read under the situation of card number, relative right judgement is made in the logic analysis through the time period and to the result of data query in the past.
Must be pointed out this automatic recognition system assurance correct judgment of one of percentage hundred fully; Other those skilled in the art; Under the situation that does not depart from disclosed scope of the present invention and essence in the accompanying claims, can make various modifications, interpolation and replacement.
The foregoing description provides to those of ordinary skills and realizes or use of the present invention; Those of ordinary skills can be under the situation that does not break away from invention thought of the present invention; The foregoing description is made various modifications or variation; Thereby protection scope of the present invention do not limit by the foregoing description, and should be the maximum magnitude that meets the inventive features that claims mention.
Claims (8)
1. a radio-frequency recognition system that is applied to pass in and out state recognition is characterized in that, comprising:
At least two RFID card reader are arranged at the import or export place, and wherein said at least two RFID card reader are provided with the conduct route of the said import or export in mode edge of each interval one preset distance;
Processing unit connects said at least two RFID card reader; And
Storage unit is connected with said processing unit signal,
Wherein, said processing unit writes down the carrier's who judges this RFID label turnover state according to said at least two RFID card reader to stored historical in the reading state of same RFID label and the said storage unit.
2. the radio-frequency recognition system that is applied to pass in and out state recognition as claimed in claim 1 is characterized in that, said preset distance makes and do not receive interference each other between said at least two RFID card reader.
3. the radio-frequency recognition system that is applied to pass in and out state recognition as claimed in claim 1 is characterized in that, is connected through the RS-485 interface between said at least two RFID card reader and the said processing unit.
4. the radio-frequency recognition system that is applied to pass in and out state recognition as claimed in claim 1 is characterized in that, said at least two RFID card reader comprise one the one a RFID card reader and a RFID card reader.
5. the radio-frequency recognition system that is applied to pass in and out state recognition as claimed in claim 4; It is characterized in that; When in a predetermined amount of time said first and RFID card reader when all reading same RFID label; Said processing unit judge said first and time interval of reading this RFID label of RFID card reader whether smaller or equal to a threshold value; If smaller or equal to the carrier that judges this RFID label would accomplish a subnormal turnover action, if greater than would judge that improper turnover action takes place the carrier of this RFID label.
6. the radio-frequency recognition system that is applied to pass in and out state recognition as claimed in claim 4; It is characterized in that; When having only one to read a RFID label in the said first and second RFID card reader in a predetermined amount of time, improper turnover action takes place in the carrier of said this RFID label of processing unit judgement.
7. like claim 5 or the 6 described radio-frequency recognition systems that are applied to pass in and out state recognition, it is characterized in that when the improper turnover of generation was moved, said processing unit write down and the query history record in said storage unit.
8. the radio-frequency recognition system that is applied to pass in and out state recognition as claimed in claim 7 is characterized in that, when there was the historical record of improper turnover action in this RFID label that improper turnover action takes place, said processing unit sent warning.
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| CN103440687A (en) * | 2013-09-13 | 2013-12-11 | 苏州大学 | RFID (Radio Frequency Identification) technology-based attendance checking method and system |
| CN104144497A (en) * | 2014-07-28 | 2014-11-12 | 北京升哲科技有限公司 | Detection method and system for user entry and exit region on basis of Bluetooth beacon devices |
| CN104144498A (en) * | 2014-07-28 | 2014-11-12 | 北京升哲科技有限公司 | Indoor positioning method and system based on Bluetooth beacon equipment |
| CN104408514A (en) * | 2014-11-27 | 2015-03-11 | 深圳市小卫星移动网络科技有限公司 | Intelligent electronic student identity card as well as system and method for shielding telephone in school |
| CN104484773A (en) * | 2014-12-30 | 2015-04-01 | 华中科技大学 | Dormitory electricity consumption statistical system based on RFID |
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| CN105718829A (en) * | 2016-01-27 | 2016-06-29 | 北京邮电大学 | RFID based label behavior direction determining method |
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| CN103440687A (en) * | 2013-09-13 | 2013-12-11 | 苏州大学 | RFID (Radio Frequency Identification) technology-based attendance checking method and system |
| CN104144497A (en) * | 2014-07-28 | 2014-11-12 | 北京升哲科技有限公司 | Detection method and system for user entry and exit region on basis of Bluetooth beacon devices |
| CN104144498A (en) * | 2014-07-28 | 2014-11-12 | 北京升哲科技有限公司 | Indoor positioning method and system based on Bluetooth beacon equipment |
| CN104144498B (en) * | 2014-07-28 | 2018-01-30 | 北京升哲科技有限公司 | Indoor orientation method and system based on Bluetooth beacon equipment |
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| CN104408514A (en) * | 2014-11-27 | 2015-03-11 | 深圳市小卫星移动网络科技有限公司 | Intelligent electronic student identity card as well as system and method for shielding telephone in school |
| CN104484773A (en) * | 2014-12-30 | 2015-04-01 | 华中科技大学 | Dormitory electricity consumption statistical system based on RFID |
| CN104992479A (en) * | 2015-07-21 | 2015-10-21 | 华北理工大学 | Student behavior analysis system and method |
| CN104952137A (en) * | 2015-07-21 | 2015-09-30 | 华北理工大学 | Night-out detecting system for dormitory of college |
| CN105205896A (en) * | 2015-10-16 | 2015-12-30 | 江苏瑞奥风软件科技有限公司 | Automatic guard management system for school |
| CN105718829A (en) * | 2016-01-27 | 2016-06-29 | 北京邮电大学 | RFID based label behavior direction determining method |
| WO2019000997A1 (en) * | 2017-06-26 | 2019-01-03 | 广东乐源数字技术有限公司 | Staff time recording system and time recording method |
| CN107358668A (en) * | 2017-06-26 | 2017-11-17 | 广东乐源数字技术有限公司 | A kind of employee's punch card method |
| CN107195012A (en) * | 2017-06-26 | 2017-09-22 | 广东乐源数字技术有限公司 | A kind of employee's punch card system |
| CN107578486A (en) * | 2017-09-08 | 2018-01-12 | 杭州远昊科技有限公司 | Taken pictures Work attendance method and system based on RFID long-distance intelligents |
| CN108536202A (en) * | 2018-03-30 | 2018-09-14 | 广西宜州市联森网络科技有限公司 | A kind of henhouse rainy day management system and its management method |
| CN108536202B (en) * | 2018-03-30 | 2021-06-11 | 广西宜州市联森网络科技有限公司 | Chicken coop rainy day management system and management method thereof |
| CN109002742A (en) * | 2018-06-12 | 2018-12-14 | 山东众云教育科技有限公司 | A kind of disengaging behavior determination method and its application based on RFID detection |
| CN109064589A (en) * | 2018-07-11 | 2018-12-21 | 日立楼宇技术（广州）有限公司 | A kind of access control method, device, system and storage medium |
| CN109064589B (en) * | 2018-07-11 | 2021-03-09 | 日立楼宇技术（广州）有限公司 | Access control method, device, system and storage medium |
| CN109670561A (en) * | 2018-12-17 | 2019-04-23 | 南京华苏科技有限公司 | A kind of trajectory processing method of the asset management based on RFID |
| CN109670561B (en) * | 2018-12-17 | 2022-03-25 | 南京华苏科技有限公司 | Asset management track processing method based on RFID |
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Application publication date: 20120711 |