CN214098499U

CN214098499U - Attendance device based on bluetooth

Info

Publication number: CN214098499U
Application number: CN202120136260.7U
Authority: CN
Inventors: 阳士宇; 张玉琛; 魏武
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-19
Filing date: 2021-01-19
Publication date: 2021-08-31
Anticipated expiration: 2031-01-19

Abstract

The utility model discloses an attendance device based on Bluetooth technology, which comprises a terminal host and a terminal slave, wherein the terminal host and the terminal slave both comprise a shell and a circuit substrate, the circuit substrate is electrically connected with a master control chip, a Bluetooth module, a real-time clock chip, a key module and a power switching module, the power switching module is electrically connected with a power adaptation jack and a standby battery, the circuit substrate of the terminal host is also provided with a file management control chip which is electrically connected with a storage device socket, the student mobile phone Bluetooth MAC is taken as the unique identity of a student, the Bluetooth module is used for scanning and acquiring the student mobile phone Bluetooth MAC to complete attendance, the intelligent information acquisition is realized, the time is saved, the attendance range and the accuracy of the attendance terminal are greatly improved by adopting the modes of the host and the slave and simultaneously scanning and comparing and summarizing results, through the design of the standby rechargeable lithium battery, the power can be continuously supplied when the commercial power is cut off.

Description

Attendance device based on bluetooth

Technical Field

The utility model relates to an attendance equipment field, in particular to attendance device based on bluetooth.

Background

The attendance system is a set of management system used for checking and recording information such as whether checked personnel are on time and attendance and the like, classroom attendance is always an indispensable work in the teaching affair management link of schools, attendance is basic management, is an important link of daily education management work of universities and is also the basis of learning to be constructed, at present, the attendance of most students of the university is mainly carried out in a mode of manual roll-call or check-in and paper filing and storage, the workload is large, time and labor are wasted, some attendance technologies adopting biological characteristic identification, such as card swiping, fingerprint, face identification and the like, are used for checking, the attendance equipment cost is relatively expensive, the operation steps are complex, the recording of information such as fingerprints, faces, irises and the like is long, the attendance needs to be queued for checking during attendance, and is not suitable for the attendance of colleges with large personnel base number, and the actual effect is not good.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is overcome prior art's defect, provide an attendance device based on bluetooth, utilize bluetooth module scanning classroom interior student's bluetooth of mobile phone MAC to accomplish the attendance, the attendance wide range, intelligence is high-efficient, and the device adopts owner, from the machine mode, and the attendance result is accurate, based on embedded design, low price.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model relates to an attendance device based on Bluetooth technology, which comprises a terminal host and a terminal slave, the terminal host and the terminal slave comprise a shell and a circuit substrate, the circuit substrate is fixed in the inner cavity of the shell, the surface of the shell is provided with a display and a key, the circuit substrate is electrically connected with a main control chip, a Bluetooth module, a real-time clock chip, a key module and a power supply switching module, the display is electrically connected with the main control chip through a flat cable, the key is electrically connected with the key module, the power supply switching module is electrically connected with a power supply adapting jack and a standby battery, the power supply adapting jack is fixed at the bottom end of the circuit substrate, and the terminal host computer penetrates through the surface of the shell, a file management control chip is further arranged on the circuit substrate of the terminal host computer, and the file management control chip is electrically connected with a storage equipment socket.

As an optimal technical scheme of the utility model, the shell is including dismantling lid and base, can dismantle the lid and be fixed in through the buckle in the main part of shell, the four corners department of base is provided with the screw hole.

As an optimized technical scheme of the utility model, the storage device socket is USB bus interface, the storage device socket is pegged graft and is had flash disk or USB flash disk or card reader.

As an optimal technical scheme of the utility model, the storage device socket is the SPI interface, the storage device socket is pegged graft and is had SD card or TF card.

As an optimal technical scheme of the utility model, the display adopts dot matrix OLED liquid crystal display.

As a preferred technical scheme of the utility model, the model of master control chip is STM32F103RCT 6.

As an optimized technical scheme of the utility model, bluetooth module's model is XY-MBD 07A.

As an optimized technical solution of the present invention, the model of the real-time clock chip is DS 1302.

As a preferred technical solution of the present invention, the backup battery is a rechargeable lithium battery.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses use student's bluetooth of mobile phone MAC as the only identity of student, acquire student's bluetooth of mobile phone MAC through the scanning and accomplish the attendance, realize the intelligent acquisition of attendance information, need not wait in line, also need not gather the biological characteristic, save time, through the mode that adopts host computer and slave machine, the interval is placed and is scanned simultaneously, and compare the two scanning result that gathers, improve terminating set's attendance scope and rate of accuracy greatly, the attendance work of large-scale classroom is particularly suitable for, through the reserve chargeable lithium cell of design in the device, sustainable power supply when the commercial power outage, realize power failure normal operating and removal attendance, prevent that proruption such as having a power failure from causing the harm to equipment.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of the whole of the present invention;

fig. 2 is a schematic structural view of the terminal host according to the present invention after the detachable lid is opened;

fig. 3 is a schematic structural view of the terminal of the present invention after the detachable lid is opened from the slave;

in the figure: 1. a terminal host; 2. a terminal slave machine; 3. a housing; 4. a circuit substrate; 5. a display; 6. pressing a key; 7. a main control chip; 8. a Bluetooth module; 9. a clock chip; 10. a key module; 11. a power switching module; 12. a power supply adapting jack; 13. a backup battery; 14. a file management control chip; 15. a storage device socket; 16. the box cover can be disassembled; 17. a base; 18. screw holes; 19. and a U disk.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention. Wherein like reference numerals refer to like parts throughout.

In addition, if a detailed description of the known art is not necessary to show the features of the present invention, it is omitted. It should be noted that the terms "front," "back," "left," "right," "upper" and "lower" used in the following description refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

Example 1

As shown in fig. 1-3, the present invention provides an attendance device based on bluetooth technology, which comprises a terminal host 1 and a terminal slave 2, wherein the terminal host 1 and the terminal slave 2 both comprise a housing 3 and a circuit substrate 4, the circuit substrate 4 is fixed in an inner cavity of the housing 3, a display 5 and a key 6 are disposed on a surface of the housing 3, a main control chip 7, a bluetooth module 8, a real-time clock chip 9, a key module 10 and a power switching module 11 are electrically connected to the circuit substrate 4, the display 5 is electrically connected to the main control chip 7 through a flat cable, the key 6 is electrically connected to the key module 10, the power switching module 11 is electrically connected to a power adapting jack 12 and a backup battery 13, the power adapting jack 12 is fixed at a bottom end of the circuit substrate 4 and penetrates through a surface of the housing 3, a file management control chip 14 is further disposed on the circuit substrate 4 of the terminal host 1, the file management control chip 14 is electrically connected to a storage device socket 15.

Further, shell 3 is including dismantling lid 16 and base 17, can dismantle on lid 16 is fixed in the main part of shell 3 through the buckle, can be convenient open shell 3, look over the internals, and the four corners department of base 17 is provided with screw hole 18, through fix with screw on the wall.

The storage device socket 15 is a USB bus interface, the flash disk or the USB disk 19 or the card reader is inserted into the storage device socket 15, and the main control chip 7 cannot directly mount an external storage device, so the file management control chip 14 is required to be used as a medium for the main control system to read and write files in the flash disk or the USB disk 19 or the card reader.

The storage device socket 15 is an SPI interface, the SD card or the TF card is inserted into the storage device socket 15, and the main control chip 7 cannot directly mount the external storage device, so that the file management control chip 14 is required to be used as a medium for the main control system to read and write files in the storage device SD card or the TF card.

The display 5 adopts a dot matrix OLED liquid crystal display screen for displaying the terminal name, the working state and the time information.

The model of main control chip 7 is STM32F103RCT6, and this chip not only data processing is fast, storage capacity is big, the power consumption is low, possesses good interference killing feature simultaneously, and comprehensive properties is good, satisfies data processing and module control function demand in this design to the price is lower, has high price/performance ratio, can significantly reduce manufacturing cost, avoids the performance not enough or surplus, provides the condition for the wide popularization of attendance terminal.

The model of the Bluetooth module 8 is XY-MBD07A, the module integrates a Bluetooth 4.2LE + BR/EDR dual-mode chip taking ARM Cortex-M3 as a core, and a stable operation mode with low power consumption and high speed can be realized; the integrated bluetooth protocol baseband, CPU, high-gain radio frequency PCB antenna, the interference killing feature is superior, can realize long distance stable communication, bluetooth scanning range is wide promptly, accord with the requirement of attendance system to the attendance scope, in addition, bluetooth chip CPU dominant frequency is up to 48MHz, interface resources are abundant, support interfaces such as UART, I2C, SPI to be connected with master control MCU, follow BT2.1+ EDR/3.0/4.2 bluetooth specification, support bluetooth protocols such as SPP, HSP, HID, support principal and subordinate's mode simultaneously.

The model of the real-time clock chip 9 is DS1302, the internal circuit of the chip divides the frequency of the external 32.768KHz crystal oscillator 15 to obtain a second signal with the period of 1s, counts the seconds to obtain the scores, the time, the day, the week, the month and the year, and registers the scores, the time, the day, the week, the month and the year in the chip, and the scores are controlled and read by the main control chip 7 through three-wire interfaces SCLK and I/O, RST.

The standby battery 13 adopts a rechargeable lithium battery, a designer/standby power supply circuit takes an adapter power supply inserted into an external power supply adapting jack 12 as a working power supply, the rechargeable lithium battery is a standby power supply, when the adapter power supply is in normal power supply, the working power supply and the standby power supply are simultaneously input, the power supply switching module 11 selects, the working power supply directly supplies power to the system and charges the lithium battery; if the commercial power is interrupted or the mobile use is needed, the working power supply is cut off and switched to the standby lithium battery for power supply.

Specifically, when the terminal host 1 is used, firstly, the terminal host 1 is fixed at the front door of a classroom through screws, the terminal slave 2 is fixed at the rear door of the classroom through screws, students register account numbers on a mobile phone APP, an attendance responsible person creates courses at a mobile phone end and selects attendance students to generate an attendance information table, then information to be checked is stored in a storage device U disk 19 through a Bluetooth module 8, the terminal host 1 receives an attendance instruction of the attendance responsible person, a main control chip 7 starts to work, the Bluetooth modules 8 of the terminal host 1 and the terminal slave 2 are opened for simultaneous scanning, scanning results of the host and the slave are collected, student attendance states are contrastingly marked, student MAC information in the storage device and MAC obtained through scanning are read for contrasting and marking, and finally, the attendance results in the storage device are sent to a mobile phone of the responsible person through the Bluetooth module 8, and finishing intelligent attendance.

The utility model takes the Bluetooth MAC of the student mobile phone as the unique identity of the student, the Bluetooth MAC of the student in the classroom is obtained by scanning through the Bluetooth module 8, the attendance is completed, the attendance result is transmitted to the mobile phone of a responsible person, no queuing for attendance is needed, no biological characteristics are needed to be collected, the time is saved, a reliable, convenient and stable attendance system with proper price is provided for colleges and universities, the terminal host 1 and the terminal slave 2 are respectively placed at the two ends of the classroom, the coverage of the Bluetooth attendance is wider, the scanning results of the two are compared and summarized, the accuracy and the stability of the attendance are improved, the rechargeable standby battery 13 is arranged in the equipment, the energy supply of the equipment is continuously kept when the external power supply is interrupted or the equipment is moved for use, the damage of the system caused by the emergency is prevented, the data transmission is carried out through the USB bus or the SPI interface, the management and the transmission of the data are convenient, in addition, the whole body adopts an embedded design, and the cost is low.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An attendance device based on a Bluetooth technology is characterized by comprising a terminal host (1) and a terminal slave (2), wherein the terminal host (1) and the terminal slave (2) both comprise a shell (3) and a circuit substrate (4), the circuit substrate (4) is fixed in an inner cavity of the shell (3), a display (5) and a key (6) are arranged on the surface of the shell (3), a main control chip (7), a Bluetooth module (8), a real-time clock chip (9), a key module (10) and a power supply switching module (11) are electrically connected and installed on the circuit substrate (4), the display (5) and the main control chip (7) are electrically connected through a flat cable, the key (6) and the key module (10) are electrically connected, the power supply switching module (11) is electrically connected with a power supply adaptive jack (12) and a standby battery (13), the power supply adapting jack (12) is fixed at the bottom end of the circuit substrate (4) and penetrates through the surface of the shell (3), a file management control chip (14) is further arranged on the circuit substrate (4) of the terminal host (1), and the file management control chip (14) is electrically connected with a storage device socket (15).

2. An attendance device based on bluetooth technology according to claim 1, characterized in that the housing (3) comprises a detachable box cover (16) and a base (17), the detachable box cover (16) is fixed on the main body of the housing (3) by a buckle, and screw holes (18) are arranged at the four corners of the base (17).

3. An attendance checking apparatus based on bluetooth technology as claimed in claim 1, characterized in that the storage device socket (15) is a USB bus interface, and a flash disk or a USB disk (19) or a card reader is plugged into the storage device socket (15).

4. The attendance device based on the bluetooth technology as claimed in claim 1, wherein the storage device socket (15) is an SPI interface, and an SD card or a TF card is plugged into the storage device socket (15).

5. An attendance device based on bluetooth technology as claimed in claim 1, characterized in that the display (5) is a dot matrix OLED liquid crystal display.

6. The attendance device based on the bluetooth technology as claimed in claim 1, wherein the model of the main control chip (7) is STM32F103RCT 6.

7. An attendance checking apparatus based on bluetooth technology as claimed in claim 1, characterized in that the bluetooth module (8) is of the type XY-MBD 07A.

8. The attendance device based on the bluetooth technology as claimed in claim 1, wherein the model of the real-time clock chip (9) is DS 1302.

9. An attendance checking device based on bluetooth technology as claimed in claim 1, characterized in that the backup battery (13) is a rechargeable lithium battery.