CN103729900B - A kind of campus attendance checking system based on wireless sensor network - Google Patents

A kind of campus attendance checking system based on wireless sensor network Download PDF

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CN103729900B
CN103729900B CN201310715396.3A CN201310715396A CN103729900B CN 103729900 B CN103729900 B CN 103729900B CN 201310715396 A CN201310715396 A CN 201310715396A CN 103729900 B CN103729900 B CN 103729900B
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attendance
node
data
network
wireless sensor
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CN103729900A (en
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蒙飚
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Hefei Lixun Technology Co. Ltd.
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Liuzhou Vocational and Technical College
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Abstract

The invention discloses a kind of campus attendance checking system based on wireless sensor network, comprise the multiple work attendance regions being placed in campus respectively, for gathering the attendance data in corresponding work attendance region and corresponding attendance data being uploaded to multiple data acquisition equipments of work attendance master system, the corresponding attendance data uploaded for receiving described multiple data acquisition equipment is gone forward side by side the work attendance master system of row relax, and arrange based on the network topology structure of wireless sensor of ZigBee technology, corresponding with multiple work attendance region, and for described multiple data acquisition equipment and the distributed mesh network node carrying out between work attendance master system communicating.Campus attendance checking system based on wireless sensor network of the present invention, can overcome the defects such as the dumb and poor mobility of difficult wiring in prior art, networking, to realize connecting up convenient, networking flexibility and the good advantage of movability.

Description

A kind of campus attendance checking system based on wireless sensor network
Technical field
The present invention relates to communication technical field, particularly, relate to a kind of campus attendance checking system based on wireless sensor network.
Background technology
Campus attendance checking system is the management system of the situations such as a set of management student goes to school and leaves school, teacher employee's attendance record on and off duty, is the product combined by work attendance hardware and attendance software.Traditional work attendance mode is as low in manual mode efficiency of registering, statistical difficulty; Although and such as use the attendance checking system efficiency of IC-card or magnetic card work attendance mode and the level of IT application to increase, the attendance recorder difficult wiring utilizing cable to connect, networking is dumb, poor mobility [1].Along with the development of wireless communication technology, particularly solve the deficiency of traditional wire campus attendance checking system based on the appearance of the technology of wireless sensing network of ZigBee.
Wireless sensor network is by the senser element of some or recognition means, with a kind of wireless network that self-organization and multi-hop mode build, object is the monitoring target to wireless network coverage area, carry out corresponding perception, identification and acquisition process, and the monitoring information data obtained wirelessly are sent to user [2].The network system built based on wireless sensor network technology, possess network construction flexibly, reliable and stable, the mobility of low-power consumption, low cost, image data transmission and the advantage such as real-time, be particularly suitable for the design of campus attendance checking system [3].Due in the attendance management of campus, the work attendance of going to school and leaving school for student and teacher employee's work attendance on and off duty require certain difference, particularly such as the work attendance of Security Personnel of some specific post requires more strict, so need to use fingerprint attendance system and radio-frequency card attendance checking system respectively in different work attendance occasion.
Realizing in process of the present invention, inventor finds at least to exist in prior art the defects such as the dumb and poor mobility of difficult wiring, networking.
Summary of the invention
The object of the invention is to, for the problems referred to above, propose a kind of campus attendance checking system based on wireless sensor network, to realize the good advantage of wiring convenience, networking flexibility and movability.
For achieving the above object, the technical solution used in the present invention is: a kind of campus attendance checking system based on wireless sensor network, comprise the multiple work attendance regions being placed in campus respectively, for gathering the attendance data in corresponding work attendance region and corresponding attendance data being uploaded to multiple data acquisition equipments of work attendance master system, the corresponding attendance data uploaded for receiving described multiple data acquisition equipment is gone forward side by side the work attendance master system of row relax, and arrange based on the network topology structure of wireless sensor of ZigBee technology, corresponding with multiple work attendance region, and for described multiple data acquisition equipment and the distributed mesh network node carrying out between work attendance master system communicating.
Further, described distributed mesh network node, comprise and be arranged on corresponding work attendance point, and for the attendance data of corresponding work attendance point data collecting device collection being forwarded to the attendance data acquisition node of router node, be arranged on the work attendance region be made up of multiple critical work attendance point, and the attendance data secondary for being forwarded the multiple attendance data collection points from critical setting is forwarded to the router node of network coordinator node, and be arranged between multiple router node and work attendance master system, and the attendance data for being forwarded by multiple router node is forwarded to the network coordinator node of work attendance master system for three times.
Further, described work attendance point, comprises teaching building and/or office building and/or library.
Further, the wireless sensor network formed by described network coordinator node, router node and attendance data acquisition node, comprises wireless communication module; Described wireless communication module with ZigBee wireless singlechip family chip CC2430 for core parts.
Further, described network coordinator node, comprise CC2430 wireless communication module, and the Anneta module, power module, simple and easy input key module, LED display module and the PC serial interface module that are connected with described CC2430 wireless communication module respectively form; Described network coordinator node is mainly used in collecting the data sent from attendance data acquisition node or router node, and is uploaded to work attendance master system and processes.
Further, described router node, comprises CC2430 wireless communication module, and the Anneta module, power module, simple and easy input key module, LED display module and the PC serial interface module that are connected with described CC2430 wireless communication module respectively form; Described router node is mainly used in collecting the data sent from attendance data acquisition node, and forwarding sends network coordinator node to.
Further, described attendance data acquisition node, comprise CC2430 wireless communication module, the Anneta module be connected with described CC2430 wireless communication module respectively, power module, simple and easy input key module, LED display module, attendance data pick-up transducers equipment and associated interface circuitry form; Described attendance data acquisition node is mainly used in gathering attendance data by fingerprint capturer and RFID radio-frequency (RF) Reader, and data are uploaded to router node or network coordinator node in time.
Further, described data acquisition equipment, comprises the fingerprint capturer and RFID radio-frequency (RF) Reader that are equipped with; Corresponding attendance data acquisition node is by fingerprint capturer and RFID radio-frequency (RF) Reader, sent by wireless sensor network reading the attendance data obtained, receive data by router node or network coordinator node, and be uploaded to work attendance master system and process.
Further, described work attendance master system, comprises the upper PC of work attendance; The work attendance information obtained by attendance data acquisition node, is uploaded to the upper PC of work attendance by wireless sensor network, completes the analysis and treament to attendance data acquisition node data each in wireless network;
The upper PC of described work attendance, for completing collection to attendance data and arrangement, and manages the user profile of different rights, finally carries out treatment and analysis according to work attendance rule to attendance data, forms related statements.
The campus attendance checking system based on wireless sensor network of various embodiments of the present invention, owing to comprising the multiple work attendance regions being placed in campus respectively, for gathering the attendance data in corresponding work attendance region and corresponding attendance data being uploaded to multiple data acquisition equipments of work attendance master system, the corresponding attendance data uploaded for receiving multiple data acquisition equipment is gone forward side by side the work attendance master system of row relax, and arrange based on the network topology structure of wireless sensor of ZigBee technology, corresponding with multiple work attendance region, and for carrying out the distributed mesh network node communicated between multiple data acquisition equipment with work attendance master system, with CC2430 chip for core, in conjunction with fingerprint identification technology, RFID REID and wireless communication technology, the functions such as the real-time typing to work attendance field data, multipoint acquisition and wireless transmission can be realized, thus the defect of the dumb and poor mobility of difficult wiring in prior art, networking can be overcome, to realize connecting up convenient, networking flexibility and the good advantage of movability.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the general structure schematic diagram of the campus attendance checking system that the present invention is based on wireless sensor network;
Fig. 2 is the hardware circuit principle figure of wireless communication module in the campus attendance checking system that the present invention is based on wireless sensor network;
Fig. 3 is the hardware circuit figure of wireless sensor network node in the campus attendance checking system that the present invention is based on wireless sensor network;
Fig. 4 is the Software for Design process flow diagram of wireless network node in the campus attendance checking system that the present invention is based on wireless sensor network;
Fig. 5 is the software architecture diagram of work attendance master system in the campus attendance checking system that the present invention is based on wireless sensor network;
Fig. 6 is attendance checking system interface schematic diagram in the campus attendance checking system that the present invention is based on wireless sensor network.
By reference to the accompanying drawings, in the embodiment of the present invention, Reference numeral is as follows:
1-work attendance master system; 2-network coordinator node; 3-router node (corresponding work attendance region); 4-attendance data acquisition node (corresponding teaching building, office building and library etc.).
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
There is the shortcomings such as wired layout difficulty and poor mobility for Old style campus attendance checking system, according to the embodiment of the present invention, as shown in figs 1 to 6, provide a kind of campus attendance checking system based on wireless sensor network, be specially a kind of campus attendance checking system based on ZigBee wireless sensor network technology.Should based on the campus attendance checking system of wireless sensor network, with CC2430 chip for core, combine fingerprint identification technology, RFID REID and wireless communication technology, achieve the functions such as the real-time typing to work attendance field data, multipoint acquisition and wireless transmission.Be somebody's turn to do the campus attendance checking system based on wireless sensor network, fully in conjunction with ZigBee technology of wireless sensing network, fingerprint identification technology and RFID REID; After tested, should based on the campus attendance checking system of wireless sensor network, have networking flexibility, movability strong, the advantages such as simple and favorable expandability are installed, the requirement of enterprises and institutions' work attendance monitoring can be met, have broad application prospects.
The campus attendance checking system based on wireless sensor network of the present embodiment, require to carry out identification and attendance record to teachers, students, administrative personnel and workers, student's attendance and teacher whereabouts of going to work of attending class are registered, therefore the places such as the teaching building in campus, office building and library are needed to be divided into some work attendance regions, settle data acquisition equipment respectively, and by data acquisition equipment attendance record carried out to teachers and students and data sent to work attendance master system (as work attendance master system 1).According to form and the feature of the network topology structure of wireless sensor based on ZigBee technology [4]campus attendance checking system adopts reticulate texture (distributed frame), network node is divided into three types: network coordinator node (as network coordinator node 2), router node are (as router node 3, corresponding with work attendance region) and attendance data acquisition node (as attendance data acquisition node 4, can be corresponding with teaching building, office building and library etc.).The general structure of campus attendance checking system as shown in Figure 1.
The campus attendance checking system based on wireless sensor network of the present embodiment, hardware design is described as follows:
(1) based on the design of the wireless communication module hardware circuit of the campus attendance checking system of wireless sensor network:
Wireless communication module as one of wireless sensor network core component, the type selecting of its main chip and the design of hardware circuit of crucial importance to whole Radio Network System performance impact.The embodiment of the present invention selects the novel concept a new generation ZigBee wireless singlechip family chip CC2430 released by TI company, and it is SOCZigBee product on a sheet really meeting IEEE802.15.4 standard.CC2430 except comprising RF transceiver, also 8 8051 microcontroller core, the Flash internal memory of 32/64/128KB, the RAM of 8KB of integrated enhanced industrial standard, and containing ADC, DMA, house dog etc.CC2430 can be operated in 2.4GHz frequency range, adopt low voltage power supply and power consumption very low (receive data time be 27mA, be 25mA during transmission data), there is short time-delay, network capacity is large, short-range radio frequency transmission system cost is low, power consumption is little, be suitable for battery to power for a long time, there is the features [5] such as hardware encipher, safe and reliable, networking flexibility, survivability are strong.Therefore, select CC2430 as the wireless communication module acp chip of network coordinator node, router node and attendance data acquisition node, will the best performance of whole system and work efficiency be played.
(2) based on the design of the wireless sensor network node hardware circuit of the campus attendance checking system of wireless sensor network:
Wireless sensor network node is with the wireless communication module based on CC2430 chip for core, and the hardware circuit that expansion is relevant forms the hardware platform of wireless sensor network.The wireless sensor network node of the embodiment of the present invention is divided into network coordinator node, router node and attendance data acquisition node three kinds according to function, its hardware circuit core all adopts CC2430 wireless communication module, designs different peripheral hardware circuit according to different nodal function simultaneously.
In the attendance checking system of campus, the major function of network coordinator collects the data sent from attendance data acquisition node or router node, and be uploaded to work attendance master system and process, therefore the type node is made up of CC2430 wireless communication module, Anneta module, power module, simple and easy input key module, LED display module and PC serial interface module, as shown in Figure 3 1. the and 2. part of structural drawing.Router node major function collects the data sent from attendance data acquisition node, and forwarding sends network coordinator node to, therefore the type node is made up of CC2430 wireless communication module, Anneta module, power module, simple and easy input key module and LED display module, as shown in Figure 3 the 1. part of structural drawing.Attendance data acquisition node major function gathers attendance data by fingerprint capturer and RFID radio-frequency (RF) Reader, and data are uploaded to router node or network coordinator node in time, therefore the type node is by CC2430 wireless communication module, Anneta module, power module, simple and easy input key module and LED display module, and attendance data pick-up transducers equipment and associated interface circuitry composition, 1., the 2. and 3. part of structural drawing as shown in Figure 3.
The campus attendance checking system based on wireless sensor network of above-described embodiment, Software for Design is described as follows:
(1) the design of wireless sensor network node software
At above-described embodiment the present embodiment based in the campus attendance checking system of wireless sensor network, wireless sensor network node is by practical application and function, network coordinator node, attendance data acquisition node and router node three types can be divided into, these node softwares all need to carry out initialization operation when powering on and running, and then run relative program according to the function of different node.For network coordinator node, first should create network, allow router node or attendance data acquisition node to add this wireless network, then receive the data from next node layer and be uploaded to host computer.For router or attendance data acquisition node, then after discovery network, application adds network, and then router node then receives the data from attendance data acquisition node and is uploaded to network coordinator node; Attendance data acquisition node then by Time Attendance Device image data, is sent to router or network coordinator node.Wireless network node Software for Design flow process as shown in Figure 4.
(2) the design of work attendance master system
The work attendance information obtained by attendance data acquisition node, the upper PC of work attendance is uploaded to by wireless sensor network, according to the functional requirement of campus attendance checking system, design work attendance master system software, completes the analysis and treament to attendance data acquisition node data each in wireless network.Work attendance master system completes collection to attendance data and arrangement, and manages the user profile of different rights, finally carries out treatment and analysis according to work attendance rule to attendance data, forms related statements.Be illustrated in figure 5 work attendance master system software architecture diagram.
The campus attendance checking system based on wireless sensor network of above-described embodiment, experimental verification is described as follows:
(1) wireless sensor network program operation
Use ZigBee technology programme to CC2430 and operate, first code-group establishing network enrolled to network coordinator node:
voidZDO_CreateNet(unsignedcharlog_Mod,devInitial_Modes_tInitial_Mode,unsignedcharbeginOrder,unsignedcharmainframeOrder)
{devStatus=DEY_COOL_STARTING;
ret_zg=NAME_NetworkFormedRequest(zg_ConfigPingID,zg_DefaultAlleywayList,
zg_DefaultBeginingScanDuration,beginOrder,mainframeOrder,zg_false);
……};
Routers node or attendance data acquisition node enroll code, enable node add wireless network:
voidZDO_ConnectNet(unsignedcharlog_Mod,devInitial_Modes_tInitial_Mode,unsignedcharbeginOrder,unsignedcharmainframeOrder)
{devStatus=DEY_NXK_DISC;
ret_zg=NAME_NetworkDiscoedRequest(zg_DefaultAlleywayList,zg_DefaultBeginingScanDuration);
……}
Complete the networking of wireless sensor network, and complete router node and attendance data acquisition node adds network.Attendance data acquisition node is by fingerprint capturer and RFID radio-frequency (RF) Reader, sent by wireless sensor network reading the attendance data obtained, receive data by router node or network coordinator node, and be uploaded to work attendance master system and process:
voidzb_HandedAskEvent(unsignedintincident)
{unsignedcharf_Data[2];
if(incident&ZG_STARTING_EVT)
{zg_BeginRequest();}
if(incident&ZG_REPORTING_TEMP_EVT)
{f_Data[0]=f_RECORD_REPORT;
f_Data[1]=zg_App_ReadRecord();
zg_SendRecordRequest(0xFFFE,SENSOR_READ_Com_ID,2,f_Data,0,ZG_RED_REQUEST,0);
ask_start_timerTx(zg_TaskedID,ZG_REPORTING_TEMP_EVT,zg_TempRecordPeriod);}
if(incident&ZG_FINDING_COLLECT_EVT)
{//Searchedandbindedtoarightzg_device
zg_Bind_to_Device(TRUE,SENSOR_READ_Com_ID,(unsignedchar*)NULL);}
……}
(2) attendance checking system interface realizes
The campus attendance checking system based on wireless sensor network of the embodiment of the present invention, attendance checking system interface uses VisualBasic language compilation to complete, host computer attendance checking system can collect attendance data, carries out work attendance typing and inquiry, can also modify to work attendance related data and gather.By attendance checking system interface, conveniently can manage attendance data, according to work attendance rule, treatment and analysis be carried out to data, form relevant form.Attendance checking system interface schematic diagram as shown in Figure 6.
Through the installment and debugging of system, the campus attendance checking system based on wireless sensor network of the various embodiments described above of the present invention, achieve student and faculty and staff's attendance data are gathered intellectuality, networking and informationization.System utilizes advantage and the feature of ZigBee technology of new generation, construct campus wireless sensor network, expand the coverage rate of attendance data collection point, and make that wireless network is set up flexibly, layout is simple, movability is strong, favorable expandability, improve the reliability of network service and reduce networking hardware cost, meeting the functional requirement of campus attendance checking system.Therefore, the Design of Wireless Sensor Network scheme in the embodiment of the present invention, has larger practical reference value in enterprises and institutions' work attendance monitoring field.
[list of references]
[1] Chen Kan. the design and implimentation [J] of campus attendance checking system. computer cd software and application, 2013, (2).
[2] Pan Wei, Huang Dong. the radio sensing network based on ZigBee technology is studied [J]. computer technology and development, 2008,18 (9).
[3] Li Shancang, Zhang Kewang. wireless sensor network principle and characteristics [M]. Beijing: China Machine Press, 2008.
[4] Wang Haitao. cluster algorithm summary [J] in radio sensing network. the sensor world, 2011, (4).
[5] Gao Shouwei, Wu Can sun .ZigBee engineering practice study course: based on the wireless sensor network solution [M] of CC2430/31. Beijing: publishing house of BJ University of Aeronautics & Astronautics, 2009.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. the campus attendance checking system based on wireless sensor network, it is characterized in that, comprise the multiple work attendance regions being placed in campus respectively, for gathering the attendance data in corresponding work attendance region and corresponding attendance data being uploaded to multiple data acquisition equipments of work attendance master system, the corresponding attendance data uploaded for receiving described multiple data acquisition equipment is gone forward side by side the work attendance master system of row relax, and arrange based on the network topology structure of wireless sensor of ZigBee technology, corresponding with multiple work attendance region, and for described multiple data acquisition equipment and the distributed mesh network node carrying out between work attendance master system communicating, described distributed mesh network node, comprise and be arranged on corresponding work attendance point, and for the attendance data of corresponding work attendance point data collecting device collection being forwarded to the attendance data acquisition node of router node, be arranged on the work attendance region be made up of multiple critical work attendance point, and the attendance data secondary for being forwarded the multiple attendance data collection points from critical setting is forwarded to the router node of network coordinator node, and be arranged between multiple router node and work attendance master system, and the attendance data for being forwarded by multiple router node is forwarded to the network coordinator node of work attendance master system for three times.
2. the campus attendance checking system based on wireless sensor network according to claim 1, is characterized in that, described work attendance point, comprises teaching building and/or office building and/or library.
3. the campus attendance checking system based on wireless sensor network according to claim 1, is characterized in that, the wireless sensor network formed by described network coordinator node, router node and attendance data acquisition node, comprises wireless communication module; Described wireless communication module with ZigBee wireless singlechip family chip CC2430 for core parts.
4. the campus attendance checking system based on wireless sensor network according to claim 1, it is characterized in that, described network coordinator node, comprise CC2430 wireless communication module, and the Anneta module, power module, simple and easy input key module, LED display module and the PC serial interface module that are connected with described CC2430 wireless communication module respectively form; Described network coordinator node is mainly used in collecting the data sent from attendance data acquisition node or router node, and is uploaded to work attendance master system and processes.
5. the campus attendance checking system based on wireless sensor network according to claim 1, it is characterized in that, described router node, comprise CC2430 wireless communication module, and the Anneta module, power module, simple and easy input key module, LED display module and the PC serial interface module that are connected with described CC2430 wireless communication module respectively form; Described router node is mainly used in collecting the data sent from attendance data acquisition node, and forwarding sends network coordinator node to.
6. the campus attendance checking system based on wireless sensor network according to claim 1, it is characterized in that, described attendance data acquisition node, comprise CC2430 wireless communication module, the Anneta module be connected with described CC2430 wireless communication module respectively, power module, simple and easy input key module, LED display module, attendance data pick-up transducers equipment and associated interface circuitry form; Described attendance data acquisition node is mainly used in gathering attendance data by fingerprint capturer and RFID radio-frequency (RF) Reader, and data are uploaded to router node or network coordinator node in time.
7. the campus attendance checking system based on wireless sensor network according to any one of claim 1-6, is characterized in that, described data acquisition equipment, comprises the fingerprint capturer and RFID radio-frequency (RF) Reader that are equipped with; Corresponding attendance data acquisition node is by fingerprint capturer and RFID radio-frequency (RF) Reader, sent by wireless sensor network reading the attendance data obtained, receive data by router node or network coordinator node, and be uploaded to work attendance master system and process.
8. the campus attendance checking system based on wireless sensor network according to any one of claim 1-6, is characterized in that, described work attendance master system comprises the upper PC of work attendance; The work attendance information obtained by attendance data acquisition node, is uploaded to the upper PC of work attendance by wireless sensor network, completes the analysis and treament to attendance data acquisition node data each in wireless network;
The upper PC of described work attendance, for completing collection to attendance data and arrangement, and manages the user profile of different rights, finally carries out treatment and analysis according to work attendance rule to attendance data, forms related statements.
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