CN103632406A

CN103632406A - Intelligent attendance system

Info

Publication number: CN103632406A
Application number: CN201310665599.6A
Authority: CN
Inventors: 周卫荣
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-12-11
Filing date: 2013-12-11
Publication date: 2014-03-12

Abstract

The invention discloses am intelligent attendance system which is characterized by consisting of a data acquisition module, a main controller data processing module, a wireless transmission module and a host computer which are sequentially connected. According to the attendance system disclosed by the invention, the software and the hardware are relatively independent, errors can be easily checked and corrected, the assembling cost is low, the components are easy to obtain, the application cost and the later maintenance cost are lowered, the application range is widened, and high generalization performance and practicability are achieved. The system overcomes various defects of the conventional attendance system, and by setting a plurality sets of attendance devices at the door of a class, automation and high-efficiency in class attendance are achieved.

Description

A kind of Intelligent Checking on Work Attendance system

Technical field

The design relates to a kind of Intelligent Checking on Work Attendance system, belongs to school control's electronic technology field.

Background technology

At present conventional classroom attendance checking system adopts simple card-scanning type information recording means mostly, usings magnetic card as work attendance medium, requires work attendance people must carry the corresponding magnetic card of identity with it, by the bar code information of preserving in brush magnetic card, realizes work attendance.Though this system can solve work attendance problem expeditiously, has many drawbacks, as solved other people for cheating problem and the timely and effective checking-in result etc. that counts of the work attendance of swiping the card.For some more complicated systems, as the attendance checking system based on fingerprint recognition, obtaining information difficulty, the data volume of storage is larger, and cost is high, is not suitable in colleges and universities, being widely used and promoting.For many drawbacks of current existing system, designed a kind of smart classroom attendance checking system based on magnetic card type identification.

Summary of the invention

for achieving the above object, the design provides a kind of Intelligent Checking on Work Attendance system.

For achieving the above object, the present invention realizes by following technological means:

An Intelligent Checking on Work Attendance system, is characterized in that: by the data acquisition module being linked in sequence, and primary controller data processing module, wireless transport module and host computer form.

Preferably, described a kind of Intelligent Checking on Work Attendance system, is characterized in that: described data acquisition module is comprised of radio frequency identification module and infrared photoelectric sensor two parts.

Preferably, described a kind of Intelligent Checking on Work Attendance system, is characterized in that: described infrared photoelectric sensor comprises infrared transmitting tube A, infrared transmitting tube B and infrared receiving tube A', infrared receiving tube B'.

Preferably, described a kind of Intelligent Checking on Work Attendance system, is characterized in that: described primary controller data processing module adopts STC12C5A60S2 single-chip microcomputer.

Preferably, described a kind of Intelligent Checking on Work Attendance system, is characterized in that: described wireless transport module adopts radio-frequency module nRF24L01.

Preferably, described a kind of Intelligent Checking on Work Attendance system, is characterized in that: described host computer is equipped with attendance checking system software.

Beneficial effect: the design's attendance checking system is relatively independent on software and hardware, is easy to investigate error correction, and component price cheap, be easy to obtain, reduced use cost and later maintenance cost, make its range of application more extensive, there is stronger generalization and practicality.This system has overcome the multiple shortcoming that traditional system of attendance exists, and by many cover Work attendance devices are installed side by side on doorway, classroom, has realized robotization and the high efficiency of check class attendance.

accompanying drawing explanation:

Fig. 1 is that the design forms structural representation.

embodiment:

Below in conjunction with Figure of description, the present invention is further illustrated.

As shown in Figure 1, a kind of Intelligent Checking on Work Attendance system, is characterized in that: by the data acquisition module being linked in sequence, and primary controller data processing module, wireless transport module and host computer form.

For accurate statistics flow of the people, prevent student's behaviors such as cheating of turning out for work, system is carried out information acquisition by radio frequency identification module and two pairs of correlation infrared sensors.The data that gather are sent to primary controller STC12C5A60S2 single-chip microcomputer by the serial ports way of output and carry out integrated data processing, and the validation of information turnover classroom direction gathering by infrared sensor, confirms to enter personnel's number by radio-frequency module card using information.Comprehensive said two devices information, to confirm that having no one to hold many cards holds the cheatings such as the many brushes of a card for brush, many people.System shows result by LCDs and the buzzing of practising fraud is pointed out, and last primary controller reaches master system by wireless device by data and carries out Information Statistics and storage.

This module is comprised of radio frequency identification module and infrared photoelectric sensor two parts, this two parts co-operation, data are gathered, infrared transmitting tube A and infrared transmitting tube B are installed in parallel in respectively the inside and outside both sides of left side doorframe, infrared receiving tube A', infrared receiving tube B' are installed in parallel in respectively the inside and outside both sides of the right doorframe, and radio frequency identification module is placed in doorframe one side.

Radio-frequency (RF) identification is the automatic identification technology that utilizes radio communication to realize, and it can be identified target without contact, by the mode of bidirectional data communication, obtains data.When magnetic card enters radio-frequency (RF) identification region, card internal information is read by card reader, by serial ports, data is sent to primary controller.Infrared sensor is comprised of transmitting terminal and receiving end, in the course of the work, and when there is no object blocks between power valve and receiving tube, sensor output low level signal, once have object by sensor being blocked, saltus step occurs its output level immediately, produce a rising edge.This signal sends to primary controller, to determine that personnel pass in and out direction.

Two pairs of correlation infrared sensors can judgement personnel pass in and out state.By A, A', the inside and outside both sides, gateway that B, two pairs of correlation infrared sensors of B' are installed in parallel in classroom, when A, A' detect high level signal prior to B, B', show survey personnel for leaving; When B, B' detect high level signal prior to A, A', show survey personnel for entering.When personnel enter, in A, between B, swipe the card, if swipe the card successfully and enter

Classroom, infrared sensor signal is designated as to enter and adds 1, and the signal of swiping the card of radio-frequency (RF) identification is designated as and adds 1, and two paths of signals is sent to primary controller and keeps in.By the initial value that records of primary controller comparison two paths of signals, if identical, show that single member normally enters, the personnel of entering count total value and add 1, and personal information, the personal information of preserving the record of swiping the card record accumulated value m and the number of times of swiping the card records initial value i.

When holding many cards, a people swipes the card while registering, infrared sensor signal is designated as to enter and adds 1, and the number of times of swiping the card of radio-frequency (RF) identification adds i (i >=2), primary controller comparison two paths of signals record initial value, if difference shows to exist cheating, temporary i name personnel data message is presented in LCD screen, remove temporary data, it is invalid that the personnel that this time swipe the card register, and send buzzing prompting, and personnel count total value and add 1.When holding a card, m people swipes the card while registering, after swiping the card and finishing, and the personal information of swiping the card of primary controller detection of stored.If while there is the situation of corresponding personnel's information recording accumulated value m >=2, remove these personnel's the record of swiping the card, this person registers invalidly, and sends buzzing prompting, and the personnel of entering count total value and add m.

For convenience of primary controller and master system, communicate, system communication adopts radio-frequency module nRF24L01 to carry out wireless transmission.Baseband processor that radio-frequency module nRF24L01 is inner integrated, equipment debugging is easy, and message transmission rate is higher, and communication distance is long, and cost is relatively low, and aspect interfacing and programming, other modules are simpler relatively.This partial design be take 51 series monolithic systems as host computer control nucleus module, realizes the wireless transmission of slave computer and master system.

The classroom attendance checking system software of master system adopts VB to develop design.Software systems comprise: data interface module, information display module and work attendance information control module.

Data interface module, for realizing the serial communication of PC machine and single-chip microcomputer, utilizes the MSComm control in VB to realize.MSComm control is an ActiveX control in VB, provide two kinds to process communication mode: 1) event driven manner, when serial ports generation event or mistake, this control can produce OnComm event, and user program can be caught this event and be carried out respective handling; 2) inquiry mode, whether some attribute that this control is inquired about on timing or not timing ground in user program changes, thereby carries out respective handling.A kind of processing communication mode before herein having used.

Information display module, for showing student's total number of persons and the student information data that PC machine receives, comprises student name, student number, usual performance, adds usual performance to the classmate who turns out for work and divides.Utilize the Text control in VB to realize information demonstration herein.

Work attendance information control module is for the data storing, remove PC machine and receive etc.Student data can be stored student data after receiving and successfully also showing, preserves into Excel document, the given end of term usual performance of achievement data that facilitates teacher to check and can preserve by every class work attendance.

More than show and described ultimate principle of the present invention, principal character and advantage.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and instructions, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims

1. an Intelligent Checking on Work Attendance system, is characterized in that: by the data acquisition module being linked in sequence, and primary controller data processing module, wireless transport module and host computer form.

2. a kind of Intelligent Checking on Work Attendance system as claimed in claim 1, is characterized in that: described data acquisition module is comprised of radio frequency identification module and infrared photoelectric sensor two parts.

3. a kind of Intelligent Checking on Work Attendance system as claimed in claim 2, is characterized in that: described infrared photoelectric sensor comprises infrared transmitting tube A, infrared transmitting tube B and infrared receiving tube A', infrared receiving tube B'.

4. a kind of Intelligent Checking on Work Attendance system as claimed in claim 1, is characterized in that: described primary controller data processing module adopts STC12C5A60S2 single-chip microcomputer.

5. a kind of Intelligent Checking on Work Attendance system as claimed in claim 1, is characterized in that: described wireless transport module adopts radio-frequency module nRF24L01.

6. a kind of Intelligent Checking on Work Attendance system as claimed in claim 1, is characterized in that: described host computer is equipped with attendance checking system software.