CN109767512A - The campus doorway Signalized control and Work attendance method and device of a kind of identity-based identification - Google Patents
The campus doorway Signalized control and Work attendance method and device of a kind of identity-based identification Download PDFInfo
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- CN109767512A CN109767512A CN201811541114.1A CN201811541114A CN109767512A CN 109767512 A CN109767512 A CN 109767512A CN 201811541114 A CN201811541114 A CN 201811541114A CN 109767512 A CN109767512 A CN 109767512A
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Abstract
The present invention relates to a kind of campus doorway Signalized controls of identity-based identification and Work attendance method and device.Control module, signal lamp module, end message release module, photologging module are incuded including RFID signal induction module, information logging modle, signal lamp.Corresponding Signalized control method is provided according to the RFID reader detection street crossing student information of campus doorway region installation, auto-control campus doorway signal lamp is realized and sends the function of notification information to parents of student to student's progress attendance.If incuding the arrival less than student within a certain period of time, according to preset logic, system judges no student and needs to cross the street, therefore signal is no longer needed to control the traffic behavior in the section, signal controller then changes into dormant state automatically, to make road vehicle not generate meaningless traffic delay, the normal traffic capacity of road is ensured.Otherwise when system senses the arrival of student, whistle control system, which can be activated, operates to ensure that the safety street crossing of student.
Description
Technical field
The present invention relates to RFID technical field of RFID, and in particular to a kind of middle and primary schools doorway of identity-based identification
Signal light path control and school gate Work attendance method and device.
Background technique
With the fast development of traffic, middle and primary schools' doorway road between daily first and second halfof the term due to it is big with the magnitude of traffic flow,
The reasons such as traveler and the vehicles are more, keep its security risk level excessively high.The traffic disturbance of middle and primary schools' doorway road and
The sharp increase of the magnitude of traffic flow in the period of going to school and leaving school easily causes traffic accident, and the personal safety of students in middle and primary schools is serious
Threat by school's doorway road traffic system.In addition, in rush hour section of going to school and leaving school, by student and the friendship of parent's generation
The through-flow normal pass to rush hour Vehicle flow makes a big impact, the serious passage energy for reducing middle and primary schools doorway road
Power influences the operation of school's periphery traffic flow.Priority signal is carried out for the student for wearing RFID chip using RFID technique
Induction control, red light waiting time when promoting the level of security of student's street crossing and reduce student's street crossing；And it is real using this technology
The function of existing non-contact attendance, plays the role of safety guarantee to student, and facilitates attendance and pipe of school's realization to student
Reason.
RFID is the abbreviation of Radio Frequency Identification, i.e. radio frequency identification.RFID radio frequency identification skill
Art is contactless automatic identification technology, it passes through radiofrequency signal automatic identification target object and obtains related data, advantage
It is to identify that work without manual operation, is operable with various adverse circumstances.RFID technique can identify multiple labels simultaneously, behaviour
Make efficient and convenient.The system of RFID is mainly made of a reader and multiple electronic tags.
Summary of the invention
The purpose of the present invention is propose aiming at the problem that security risk and inefficiency that cross the street current campus doorway student
A kind of identity-based identification Signalized control and student attendance method and device.
The purpose of the present invention can be achieved through the following technical solutions:
A kind of the campus doorway Signalized control and student attendance method of identity-based identification, comprising the following steps:
Step S1: it can be identified by actual induction when student enters the RFID antenna radio frequency field of trackside rod piece, work as identity
After obtaining background management system determination, background management system can pass information to signal lamp control system；
Step S2: the student information that will test is sent to the quantity of student information logging modle statistic, then by its
It reaches control module control signal lamp and green light phase duration is determined by preset control logic according to the quantity of student；
Step S3: when incuding the arrival less than student in a period of time, system judges that no student needs through this road
Road, therefore signal controller changes into dormant state automatically, until detect again student's RFID label tag Signalized control again by
Activation；
Step S4: after student reaches school doorway and enters school gate, the RFID that can be installed in inside and outside school gate
Antenna identifies respectively, judges that the direction of travel of student is into school or to leave according to the sequence identified by two RFID antennas
School.The student information detected informs student attendance situation by the mobile phone that end message release module is sent to parents of student.
A kind of the campus doorway Signalized control and Work attendance device of identity-based identification characterized by comprising
Module in system includes: A.RFID information induction module, B. information logging modle, the induction control of C. signal lamp
Module, D. signal lamp module, E. end message release module, F. photologging module.Each module may be implemented following function and
Correlation are as follows:
A.RFID information induction module includes the components such as RFID label tag, RFID reader, antenna, and RFID label tag can fix
On student's school bag, each label has unique ID, and contains corresponding student information；RFID reader can pass through the two of installation
Class antenna identifies relevant RFID label tag, wherein the antenna being mounted on the trackside rod piece of road crossing two sides can detecte
Identification both sides of the road street crossing waiting area wears the student of RFID label tag and counts its quantity, wherein being mounted on two inside and outside the doorway of campus
The antenna of side can detecte the student information of the wearing RFID label tag of disengaging school gate.
B. information logging modle is connect with the RFID information induction module, can be used to store in the label detected
The student information of storage simultaneously counts the number of student in crossing street waiting area domain and passes in and out the identity information and quantity letter of school student
Breath includes waiting student data statistical module, disengaging school's data information module；
C. signal control module is connect with the waiting student data statistical module, can be according to the quantity of street crossing student
The starting and suspend mode of decision signal lamp and the length for controlling signal lamp phase, are distributed not when detecting the pedestrian of different number
With the long green light time of time.The shutdown signal control system when not detecting street crossing student in certain time；Again pendant is detected
Start control strategy when wearing the student of specific label.
D. signal lamp module, connect with the signal control module, makes phase according to the instruction of signal sensing control module
The signal designation answered.
E. end message release module is connect with disengaging school data information module, for detecting wearing mark
The parent of label student sends the short message that student arrives and departs from school.
F. photologging module is connect, for recording student in school gate with disengaging school data information module
Situation is convenient for later period inquiry.
Compared with prior art, on the basis of existing technology, letter must be manually controlled to the present invention by avoiding street pedestrian
The limitation of signal lamp, from the safe passing of street crossing student, when detecting the student to be crossed the street to the green light phase that student is preferential
Position, and realized by algorithm control and make the waiting time of student shorter when the number of student detected more, to realize
Control to middle and primary schools' doorway signal lamp guarantees the safety of student's street crossing.And it is realized using more antennas at a distance to
The function of raw attendance.The invention has the following advantages that
(1) quantity that street crossing student is detected by RFID, when waiting current further according to student quantity auto-control student
Between, on the basis of guaranteeing safety of student street crossing, promote road traffic efficiency.
(2) after student goes to school and leaves school the period, street crossing student then signal control device is not detected in certain time
Into dormant state, to save the energy and guarantee vehicle pass-through efficiency.
(3) information that student passes in and out school is obtained in time convenient for parent, in the RFID reader of school gate installation, Ke Yishi
Student passes in and out the information of school, sends it to background information management system, and system will record the information that the student passes in and out school,
And it sends information on the phone number recorded on label in a manner of short message in time.If do not detected also to the class period
To some student reach school, system will warning reminding teacher search the student or send it is short breath give parents of student obtain connection
System.
(5) power-assisted school understands student to school situation, carries out centralized attendance management for school, is easy to understand student and arrives
School situation finds student's situation absent from school in time.
Detailed description of the invention
Fig. 1 is flow diagram of the present invention；
Fig. 2 is that the present invention hands over Signalized control logic chart；
Fig. 3 is trackside RFID radiofrequency signal overlay area；
Fig. 4 is school gate two sides RFID radiofrequency signal overlay area.
Fig. 5 is whole system composition.
Specific embodiment
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, the detailed implementation method and specific operation process are given, but protection scope of the present invention is not limited to
Following embodiments.
Embodiment
The design of this scheme mainly includes six parts:
1) RFID signal induction module, be mainly made of reader and electronic tag (also include certainly antenna, backstage, with
And the equipment such as some middlewares), electronic tag is generally fixed on student's school bag (in this way can to avoid forget or lose), day
Line has two to be separately fixed on trackside rod piece, two be separately fixed at campus door mouth inner and outer side；
2) information logging modle is mainly used for the student information for the tag memory storage that storage detects and counts street crossing waiting
The number of student in region；
3) signal lamp control system is mainly made of signal controller and some middlewares, realizes the control according to setting
Logic determines the function with the long green light time of student's quantity Matching；
4) signal lamp module can realize corresponding display according to the instruction of signal lamp induction module.
5) end message release module detects that the parent for wearing label student sends student and arrives and departs from for giving
The short message in school.
6) photologging module is convenient for the later period to inquire for recording student in the case where school gate.
Specifically,
One, RFID signal sensing apparatus installation situation
RFID signal induction is main to issue radiofrequency signal by RFID antenna, carries out magnetic field covering to certain area, works as electricity
After subtab enters magnetic field, receives the radiofrequency signal of reader sending, send out storage by induced current energy obtained
Identity information in electronic tag is transmitted to background system after reader receives and carries out data processing.The shape of RFID antenna
Shape and relative position influence whether the coverage area of radiofrequency signal, and needing to carry out design and the installation of profession, (but this part is not
The invention task of technical solution of the present invention；Installing relevant routine techniques by RFID signal sensing apparatus can accomplish), trackside
The RFID radiofrequency signal overlay area of rod piece installation is as shown in Fig. 1, the RFID radiofrequency signal overlay area of school gate two sides installation
As shown in Figure 2.
Two, signal lamp inductive scheme control flow
Should be controlled with heritage the difference is that, heritage should control generally using coil, mainly for motor-driven
Vehicle carries out the control of signal, then needs button touch for the induction of people, very inconvenient, and can not carry out at flat peak to signal
Suspend mode control, will cause waste of energy.
The induction control based on RFID that this programme proposes realizes the far distance automatic identification for student group, specifically
Implementation process is as shown in Figure 1.The RFID electronic label that it is carried when student enters the RFID antenna radio frequency field of trackside rod piece
It can be identified by actual induction, the control information signal lamp that signal lamp background management system can be obtained according to student information logging modle
Guarantee that student smoothly crosses the street, during school doorway is reached after student's street crossing and enters school gate, can be installed in school gate
The RFID antenna of outer two sides identifies respectively, judges the direction of travel of student, and the student information that will test is sent out by end message
The mobile phone that cloth module is sent to parents of student informs student attendance situation, sounds an alarm when certain student information is not detected.
Three, Signalized control logical specification, as shown in Figure 2.
Step S1: once detecting that student crosses the street demand, signal lamp will be activated, and give one green light phase of motor vehicle first
Bit buffering is current, and buffer time isIt is then switched to pedestrian's green light phase.In green light buffering phase, meeting basis is detected
The buffer time of the given remaining green light of pedestrian's quantity, when detecting 1 student, remaining green light buffer time isDetect 2
When student, remaining green light buffer time isWhen detecting 3 and the above student, remaining green light buffer time is
Step S2: the initial green light time of the current green light phase of student be T the time2If in this student's transit time
No new student reaches, and vehicle pass-through phase is switched to after green time；If having new student in this student's transit time
It reaches, Green extension Δ t2(taking 5s), then detect new student, extend Δ t again2, and so on, until green light phase
The time of position reaches maximum green perild(taking 50s), regardless of whether having new student to reach switches to vehicle pass-through phase.
Step S3: vehicle pass-through phase has minimum green time T1, vehicle phase unit continuity green time Δ t1.Work as vehicle
Green light phase duration reaches T1It goes whether detection waiting area has pedestrian again afterwards, if there is then this phase terminates pedestrian, enters
Pedestrian's green light phase；This phase duration increases if without pedestrian, continues to test, still without pedestrian, increases again, until
Without pedestrian in 5min, signal lamp enters dormant state.
Key Term is explained:
(1) vehicle green light phase minimum green time T1
T1It is to prevent the green light phase time mistake of vehicle pass-through to ensure open to traffic certain time and determination
It is short, cause the blocking of vehicle.In this research, T1Take 30s.
(2) vehicle phase unit continues green time Δ t1
Δt1It is to have reached minimum green time T in vehicle phase1But when not detecting new pedestrian, vehicle phase
Each extended time.
(3) pedestrian's green light phase initial green light time T2
trIn-pedestrian's street crossing the reaction time, generally take 1s；
Section width at L-pedestrian's street crossing, (m)；
V-student walking speed, takes 0.8m/s
It is in T respectively2On the basis of carry out extension appropriate.
(4) unit continues green time Δ t2
Δt2It is when detecting new pedestrian in pedestrian's green light phase by this phase extended time.
(5) calculating of green light buffer time
It is to detect i pedestrian's initial buffering time, i.e. high latency；
It is i pedestrian's residue green light buffer time；
ΔtijIt is the time difference that i-th of pedestrian and j-th of pedestrian reach；
It is i-th of pedestrian practical waiting time；
Detect the 1st pedestrian: remaining green light buffer time:
Detect the 2nd pedestrian: remaining green light buffer time:
Detect the 3rd pedestrian: remaining green light buffer time:
Detect the control program more than 3 pedestrians as 3 pedestrians.
Four, student attendance logical specification
School gate RFID installation and identification region are as shown in figure 4, when the student for carrying RFID label tag comes into school gate RFID
It, can be successively by the detection zone of antenna 1, antenna 2 when identification region；When the student for carrying RFID label tag comes into school gate RFID
It, can be successively by the detection zone of antenna 2, antenna 1, by detecting that the antenna order of RFID label tag judges to learn when identification region
Life is to enter or leave campus.
When student is repeatedly detected within the short time (10min) to illustrating that student stops in this region, then with last time
Subject to the information being detected, when being detected by antenna 2 for the last time, then it is assumed that the student has left campus；When last
It is secondary to be detected by antenna 1, then it is assumed that the student enters campus.
Claims (4)
1. a kind of the campus doorway Signalized control and Work attendance method of identity-based identification, which comprises the steps of:
A. if incuding the arrival less than student within a certain period of time, according to preset logic, system judges no student and needs
It crossing the street, therefore no longer needs the traffic behavior in the Signalized control section, signal controller changes into dormant state automatically, thus
Road vehicle will not generate meaningless traffic delay, ensure the normal traffic capacity of road.
B. otherwise when system senses the arrival of student, whistle control system, which can be activated, operates to ensure that the safe mistake of student
Street, specifically:
When the student for carrying RFID label tag enters school's doorway road crossing waiting area, that is, enter trackside RFID days
The identity of the identification region of line, student can be identified by actual induction, after pupilage, which obtains background management system, to be determined, management
System can pass information to information logging modle, by information logging modle after the RFID label tags of all street crossing students of RFID identification
Statistic quantity；
According to the student's quantity detected, signal control module can determine that the time of green light phase is controlled according to preset logic
System.
C. after student reaches school doorway and enters school gate, the RFID antenna inside and outside school gate can be installed in and known respectively
Not, judge that the direction of travel of student is into school or to leave school according to the sequence identified by two RFID antennas.Detection obtains
The student information got informs student attendance situation by the mobile phone that end message release module is sent to parents of student.
2. according to the method described in claim 1, it is characterized by: the whistle control system has after being activated on road
Walk green light phase just is then turned in the buffering green time of passing vehicle, buffers green light phase lengths by waiting area
Student's quantity determine.
3. according to the method described in claim 1, it is characterized by: the duration of the signal lamp control system green light phase be
It is detected on the basis of green light phase and extends unit green time every time as the subsequent pedestrian for having arrival when maximum green light
Between.
4. a kind of the campus doorway Signalized control and Work attendance device of identity-based identification characterized by comprising
Module in system includes: A.RFID information induction module, B. information logging modle, C. signal lamp induction control mould
Block, D. signal lamp module, E. end message release module, F. photologging module.Following function and phase may be implemented in each module
Mutual relation are as follows:
A.RFID information induction module includes the components such as RFID label tag, RFID reader, antenna, and RFID label tag can be fixed on
On raw school bag, each label has unique ID, and contains corresponding student information；RFID reader can pass through two class days of installation
Line identifies relevant RFID label tag, wherein the antenna being mounted on the trackside rod piece of road crossing two sides can detecte identification
Both sides of the road street crossing waiting area wears the student of RFID label tag and counts its quantity, wherein being mounted on inside and outside the doorway of campus
Antenna can detecte the student information of the wearing RFID label tag of disengaging school gate.
B. information logging modle is connect with the RFID information induction module, can be used to store the tag memory storage detected
Student information and count crossing street waiting area domain number of student and pass in and out school student identity information and quantity information, i.e.,
Including waiting student data statistical module, disengaging school's data information module；
C. signal control module is connect with the waiting student data statistical module, can be determined according to the quantity of street crossing student
The starting and suspend mode of signal lamp and the length for controlling signal lamp phase, when distributing different when detecting the pedestrian of different number
Between long green light time.The shutdown signal control system when not detecting street crossing student in certain time；Again detect that wearing is special
Start control strategy when calibrating the student of label.
D. signal lamp module connect with the signal control module, is made accordingly according to the instruction of signal sensing control module
Signal designation.
E. end message release module is connect with disengaging school data information module, for wearing label to detecting
Raw parent sends the short message that student arrives and departs from school.
F. photologging module is connect with disengaging school data information module, for recording student the school gate the case where
Convenient for later period inquiry.
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Cited By (3)
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| CN112991814A (en) * | 2021-03-18 | 2021-06-18 | 上海万科投资管理有限公司 | Token-based vehicle management and control method and system |
| CN114283592A (en) * | 2021-12-28 | 2022-04-05 | 南京矽典微系统有限公司 | Traffic signal lamp control method based on millimeter wave radar and application |
| CN114373302A (en) * | 2022-02-08 | 2022-04-19 | 张太斌 | Big data application system for traffic control |
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Application publication date: 20190517 |