CN203455709U

CN203455709U - Classroom management system based on Internet of Things

Info

Publication number: CN203455709U
Application number: CN201320598741.5U
Authority: CN
Inventors: 宫鹤; 赵昕; 薛顶柱; 顾洪军; 郭颖; 李士军; 吴子雨; 温竹; 陈伦华; 迟利炜; 于曼华; 雒文鹤
Original assignee: Jilin Agricultural University
Current assignee: Jilin Agricultural University
Priority date: 2013-09-26
Filing date: 2013-09-26
Publication date: 2014-02-26
Anticipated expiration: 2023-09-26

Abstract

The utility model relates to a classroom management system based on Internet of Things, and the classroom management system is composed of a host computer, a ZigBee controller and classroom nodes. The host computer is connected with the ZigBee controller through a serial port, and a ZigBee coordinator is connected with the classroom nodes through wireless signals. On the base of the control by the wireless Internet of Tings, a classroom bell ringing system, a fire-fighting system and a security system are integrated, and more than 200 classroom nodes can be simultaneously monitored; any instruction information can be issued to any classroom, and each classroom node is independently controlled; and a host computer software is networked with a school educational administration system, so that bells ring in classrooms having lessons, and the bells do not ring in classrooms having no lessons. By employing the classroom management system, an unattended function, an auto-guarded function and an automatic alarm starting function are achieved. By employing the classroom management system, the unattended function is achieved; monitoring can be carried out in real time; and an alarm system can be automatically started, a right escape route can be automatically broadcasted immediately, so that the personal and property safety of teachers and students are greatly guaranteed. Furthermore, a classroom navigation function brings convenience to the self-study students, and the utilization efficiency of the classrooms is improved.

Description

A kind of classroom management system based on Internet of Things

Technical field

The utility model relates to a kind of Intelligent Service and facility system.

Background technology

Known by market study: the current campus system of ringing a bell generally can only realize line traffic control, difficult wiring inconvenient maintenance; Ring a bell, security protection and fire-fighting remain independently system, can not carry out Real-Time Monitoring to the security protection in each classroom, fire-fighting simultaneously; And when emergency condition occurs, can not evacuate information at very first time voice broadcast, waste valuable rescue time, cause a large amount of casualties and property loss.And, not yet find so far the application of ZigBee technology in the system of campus, for this reason our independent research classroom management system based on Internet of Things, filled up the ring a bell market vacancy of system of campus broadcast.

Utility model content

Technical problem to be solved in the utility model be utilize that ZigBee technology design a kind ofly integrates to ring a bell in classroom, fire-fighting, security protection and the management system of classroom navigational system based on Internet of Things.

The technical scheme that the utility model solves the problems of the technologies described above is as follows:

Classroom management system based on Internet of Things comprises host computer, ZigBee controller and at least one classroom node, and the serial line interface of host computer is connected with serial port power, and the serial line interface of ZigBee controller is connected with serial port power; The radio frequency interface of ZigBee controller is connected with wireless mode with each classroom node respectively

The beneficial effects of the utility model are: native system be a kind ofly integrate to ring a bell in classroom, fire-fighting and the control device of safety-protection system based on Internet of Things.The system model of ringing a bell is complete, and more than 200 classroom nodes are monitored simultaneously; Can, at any time to arbitrary classroom issue arbitrary instruction information, to each classroom node, carry out independent control; Upper computer software and school's education administration system networking, realize and have class classroom to ring a bell, and without class classroom, do not beat the tinkling of pieces of jade.Safety-protection system unmanned; Automatic guard setup; Automatically start warning system.Fire-fighting system unmanned; Real-Time Monitoring; Automatically start warning system, and at the correct escape route of very first time automatic information broadcast, personal safety and property safety for teachers and students, provide strong guarantee.Classroom navigational system is synchronously upgraded school timetable, and dynamically Led display screen shows each classroom service condition in real time, improves classroom utilization ratio; There is human-computer interaction interface, support curriculums inquiry; Support perpetual calendar, accurately displaying time.System adopts check code and signal acknowledgement mechanism simultaneously, guarantees the Stability and dependability of system; Spare interface, functions expanding space is huge.

On the basis of technique scheme, the utility model can also be done following improvement.

As further improvement, described classroom number of nodes is between 1-65536.

As further improvement, described ZigBee controller comprises ZigBee module and radio circuit, the wired electrical connection of ZigBee module radio frequency output interface and radio circuit.

As further improvement, described classroom node comprises ZigBee controller, Flash chip, broadcast module, security module and fire-fighting module, the memory interface of described Flash chip and the wired electrical connection of ZigBee controller; The broadcast interface of broadcast module is electrically connected to ZigBee controller is wired; The remote alarm interface of security module and ZigBee controller wired connection; Fire-fighting module remote alarm interface and ZigBee controller wired connection.

As further improvement, described broadcast module comprises MP3 module, voice synthetic module and power amplifier output circuit; The audio output interface of MP3 module is electrically connected to power amplifier output circuit is wired; The audio output interface of voice synthetic module is electrically connected to power amplifier output circuit is wired.

As further improvement, described ZigBee controller comprises ZigBee module and radio circuit, and the radio frequency output interface of ZigBee module is electrically connected to radio circuit is wired.

As further improvement, described security module comprises alarm lamp and pyroelectric infrared sensor, and the indication interface of alarm lamp is electrically connected to pyroelectric infrared sensor is wired.

As further improvement, described fire-fighting module comprises hummer, fire-fighting module controller and smoke transducer, and the ring interface of hummer is electrically connected to fire-fighting module controller is wired; The output interface of smoke transducer is electrically connected to fire-fighting module controller is wired.

Accompanying drawing explanation

Fig. 1 is general structure schematic diagram

In accompanying drawing 1, the list of parts of each label representative is as follows:

11, host computer, 12, serial ports, 13, ZigBee module, 14, radio circuit, 21, radio circuit, 22, ZigBee module, 23, Flash chip, 24, MP3 module, 25, voice synthetic module 26, power amplifier output circuit, 27, alarm lamp, 28, infrared thermal release electric module, 29, fire-fighting module controller, 30, hummer, 31, smoke transducer, 1, ZigBee controller, 2, classroom node, 3, ZigBee controller, 4, broadcast module, 5, security module, 6, fire-fighting module.

Embodiment

Below in conjunction with accompanying drawing, principle of the present utility model and feature are described, example, only for explaining the utility model, is not intended to limit scope of the present utility model.

As shown in Figure 1, a kind of classroom management system based on Internet of Things comprises host computer 11, ZigBee controller 1 and at least one classroom node 2, and the serial line interface of host computer 11 is electrically connected to serial ports 12, and the serial line interface of ZigBee controller 1 is electrically connected to serial ports 12; The radio frequency interface of ZigBee controller 1 is connected with wireless mode with each classroom node 2 respectively.Described classroom node 2 quantity are between 1-65536.Described ZigBee controller 1 comprises ZigBee module 13 and radio circuit 14, and ZigBee module 13 radio frequency output interface and radio circuit 14 are by wired electrical connection.Described classroom node 2 comprises ZigBee controller 3, Flash chip 23, broadcast module 4, security module 5, fire-fighting module 6, and the memory interface of described Flash chip 23 and ZigBee controller 3 are by wired electrical connection; The broadcast interface of broadcast module 4 is electrically connected to by wired with ZigBee controller 3; The remote alarm interface of security module 5 and ZigBee controller 3 pass through wired connection; Fire-fighting module 6 remote alarm interface and ZigBee controller 3 pass through wired connection.Described broadcast module 4 comprises MP3 module 24, voice synthetic module 25 and power amplifier output circuit 26; The audio output interface of MP3 module 24 is electrically connected to by wired with power amplifier output circuit 25; The audio output interface of voice synthetic module 25 is electrically connected to by wired with power amplifier output circuit 26.Described ZigBee controller 3 comprises ZigBee module 22 and radio circuit 21, and the radio frequency output interface of ZigBee module 22 is electrically connected to by wired with radio circuit 21.Described security module 5 inside comprise alarm lamp 27 and pyroelectric infrared sensor 28, and the indication interface of alarm lamp 27 is electrically connected to by wired with pyroelectric infrared sensor 28.Described fire-fighting module 6 inside comprise hummer 30, fire-fighting module controller 29 and smoke transducer 31, and the ring interface of hummer 30 is electrically connected to by wired with fire-fighting module controller 29; The output interface of smoke transducer 31 is electrically connected to by wired with fire-fighting module controller 29.

Embodiment 1: during use, downgoing signal control flow: host computer 11 sends control signals to ZigBee controller 1 by serial ports 12, ZigBee controller 1 forward signal is to corresponding classroom node 2, classroom node 2 is according to control signal fill order and return to answer signal, if carried out, unsuccessfully send failure information, classroom node 2 data and answer signal upload to host computer by ZigBee controller 1, form closed-loop control.

Upward signal control flow: through fire-fighting module controller 29, smokescope signal is passed to ZigBee module 22 by smoke transducer 31, infrared thermal release electric module 28 also passes to ZigBee module 22 by object movable signal simultaneously; ZigBee module 22 by radio circuit 21, is wirelessly transmitted to ZigBee controller 1 with Zigbee protocol by the two paths of signals collecting above, and ZigBee controller 1 is passed to host computer 11 with serial port form by signal, and host computer 11 carries out analysis decision alerting signal.

The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.

Claims

1. the classroom management system based on Internet of Things, it is characterized in that: comprise host computer (11), ZigBee controller (1) and at least one classroom node (2), the serial line interface of host computer (11) is electrically connected to serial ports (12), and the serial line interface of ZigBee controller (1) is electrically connected to serial ports (12); The radio frequency interface of ZigBee controller (1) is connected with wireless mode with each classroom node (2) respectively.

2. a kind of classroom management system according to claim 1, is characterized in that: the quantity of described classroom node (2) is between 1-65536.

3. a kind of classroom management system according to claim 1, it is characterized in that: described ZigBee controller (1) comprises ZigBee module (13) and radio circuit (14), the radio frequency output interface of ZigBee module (13) and radio circuit (14) are by wired electrical connection.

4. a kind of classroom management system according to claim 2, it is characterized in that: described classroom node (2) comprises ZigBee controller (3), Flash chip (23), broadcast module (4), security module (5) and fire-fighting module (6), the memory interface of described Flash chip (23) and the wired electrical connection of ZigBee controller (3); The broadcast interface and wired electrical connection of ZigBee controller (3) of broadcast module (4); The remote alarm interface of security module (5) and ZigBee controller (3) wired connection; Fire-fighting module (6) remote alarm interface and ZigBee controller (3) wired connection.

5. a kind of classroom management system according to claim 4, is characterized in that: described broadcast module (4) comprises MP3 module (24), voice synthetic module (25) and power amplifier output circuit (26); The audio output interface of MP3 module (24) and wired electrical connection of power amplifier output circuit (25); The audio output interface of voice synthetic module (25) and wired electrical connection of power amplifier output circuit (26).

6. a kind of classroom management system according to claim 4, it is characterized in that: described ZigBee controller (3) comprises ZigBee module (22) and radio circuit (21) radio frequency output interface of ZigBee module (22) and wired electrical connection of radio circuit (21).

7. a kind of classroom management system according to claim 4, it is characterized in that: described security module (5) inside comprises alarm lamp (27) and pyroelectric infrared sensor (28) the indication interface of alarm lamp (27) and wired electrical connection of pyroelectric infrared sensor (28).

8. a kind of classroom management system according to claim 4, it is characterized in that: described fire-fighting module (6) comprises hummer (30), fire-fighting module controller (29) and smoke transducer (31) the ring interface of hummer (30) and wired electrical connection of fire-fighting module controller (29); The output interface of smoke transducer (31) and wired electrical connection of fire-fighting module controller (29).