CN106530595A - Embedded system for student community management - Google Patents
Embedded system for student community management Download PDFInfo
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- CN106530595A CN106530595A CN201610915740.7A CN201610915740A CN106530595A CN 106530595 A CN106530595 A CN 106530595A CN 201610915740 A CN201610915740 A CN 201610915740A CN 106530595 A CN106530595 A CN 106530595A
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B19/00—Alarms responsive to two or more different undesired or abnormal conditions, e.g. burglary and fire, abnormal temperature and abnormal rate of flow
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- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C9/00—Individual registration on entry or exit
- G07C9/30—Individual registration on entry or exit not involving the use of a pass
- G07C9/38—Individual registration on entry or exit not involving the use of a pass with central registration
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Abstract
The invention relates to an embedded system for student community management and belongs to the field of student community management. The embedded system comprises three infrared emitting diode modules, a pressure sensor module, an audio sensor, a voice module, a network communication module, a PC machine and an STM 32 single-chip microcomputer. The I/O port of the STM 32 single-chip microcomputer is connected with the three infrared emitting diode modules, the pressure sensor module and the voice module. Signals detected by the three infrared emitting diode modules and the pressure sensor module are sent the STM 32 single-chip microcomputer, and the STM 32 single-chip microcomputer outputs a control signal to the voice module after carrying out determination and query, and the voice module sends a corresponding reminder sound. A signal detected by the audio sensor is subjected to A/D conversion and then sent to the STM 32 single-chip microcomputer, the STM 32 single-chip microcomputer outputs a signal to control the voice module to generate a sound after carrying out determination and query, and the STM 32 single-chip microcomputer sends detected information to the PC machine through the network communication module. The embedded system can timely monitor the student number, the door lock condition and the rest condition in each dormitory, warns the violation dormitory, and uploads conditions, thereby facilitating the management.
Description
Technical field
The present invention is a kind of embedded system of students community management, belongs to students community management domain.
Background technology
At present, in most of College Dormitories, turn off the light after rest in the evening, and student loudly speaks, neglect locking the door
Thing happens occasionally, and in the face of these phenomenons, dormitory management personnel are typically all, by patrolling to each dormitory, night not to be returned
The student of place is counted, while the student or the dormitory that neglects locking the door to continuing to speak after light-off carries out verbal warning, it is this
Warning be merely able at short notice to violation dormitory effectively, after houseparent leaves, the student of some dormitories starts again
Violate, and waste time and energy, not manageability.
The content of the invention
The technical problem to be solved in the present invention is：The present invention provides a kind of embedded system of students community management, with
STM32 single-chip microcomputers are control core, with reference to embedded development technology, pass in and out the people of dormitory by infrared tube module real-time monitoring
Member, and the pressure sensor module on bed board is combined, the signal for collecting is passed to into STM32 single-chip microcomputers, STM32 monolithics
After machine is judged and is inquired about its memory module, output signal control voice module sound, and by the student's name do not gone home all night
The mode of single pass-through network service uploads to the PC of houseparent；Meanwhile, audio sensor is to the sound conditions in dormitory
Real-time monitoring is carried out, once someone speaks up, prompt tone is sent immediately and which is alerted, and pass through network communication module reality
When transmit data to PC；The state of 3 real-time monitoring dormitory door lock of infrared tube module, and to not by bedroom that dormitory door lock is good
Voice message is carried out, and its status signal is uploaded to into PC by way of network service, facilitate houseparent's management place
House.
The technical scheme is that：A kind of embedded system of students community management, including infrared tube module I 1, infrared
To tube module II 2, infrared tube module III 3, pressure sensor module 4, audio sensor 5, voice module 6, network service mould
Block 7, PC 8 and STM32 single-chip microcomputers 9；The I/O mouths of the STM32 single-chip microcomputers 9 are connected to infrared tube module I 1, infrared tube
Module II 2, infrared tube module III 3, pressure sensor module 4 and voice module 6, infrared tube module I 1, infrared tube mould
The signal that block II 2, infrared tube module III 3 and pressure sensor module 4 are detected is directly fed to inside STM32 single-chip microcomputers 9, Jing
After the judgement inquiry of STM32 single-chip microcomputers 9, to voice module 6, voice module 6 sends corresponding prompt tone to output control signal；It is described
The signal that audio sensor 5 is detected is given inside STM32 single-chip microcomputers 9 after A/D conversions, is sentenced inside Jing STM32 single-chip microcomputers 9
6 sounding of output signal control voice module after disconnected inquiry, meanwhile, the information for detecting is passed through network service by STM32 single-chip microcomputers 9
Module 7 is transferred to the PC 8 of manager.
The infrared tube module I 1 includes resistance R1, R2, R3, audion VT1, infrared transmitting tube T1, infrared receiving tube
V1；The PF9 ends of the STM32 single-chip microcomputers 9 are connected with the base stage of audion VT1 by resistance R1, the colelctor electrode of audion VT1 with
The negative electrode connection of infrared transmitting tube T1, the anode of infrared transmitting tube T1 are connected with+5V power supplys by resistance R2, and+5V power supplys pass through
Resistance R3 is connected with the negative electrode of infrared receiving tube V1, and the negative electrode of infrared receiving tube V1 is connected to the PE5 ends of STM32 single-chip microcomputers 9, red
The plus earth of outer reception pipe V1.
The infrared tube module II 2 includes resistance R4, R5, R6, audion VT2, infrared transmitting tube T2, infrared receiving tube
V2；The PF10 ends of the STM32 single-chip microcomputers 9 are connected with the base stage of audion VT2 by resistance R4, the colelctor electrode of audion VT2
It is connected with the negative electrode of infrared transmitting tube T2, the anode of infrared transmitting tube T2 is connected with+5V power supplys by resistance R5 ,+5V power supplys lead to
The negative electrode that resistance R6 is crossed with infrared receiving tube V2 is connected, and the negative electrode of infrared receiving tube V2 is connected to the PE6 ends of STM32 single-chip microcomputers 9,
The plus earth of infrared receiving tube V2.
The infrared tube module III 3 includes resistance R7, R8, R9, audion VT3, infrared transmitting tube T3, infrared receiving tube
V3；The PF11 ends of the STM32 single-chip microcomputers 9 are connected with the base stage of audion VT3 by resistance R7, the colelctor electrode of audion VT3
It is connected with the negative electrode of infrared transmitting tube T3, the anode of infrared transmitting tube T3 is connected with+5V power supplys by resistance R8 ,+5V power supplys lead to
The negative electrode that resistance R9 is crossed with infrared receiving tube V3 is connected, and the negative electrode of infrared receiving tube V3 is connected to the PE7 ends of STM32 single-chip microcomputers 9,
The plus earth of infrared receiving tube V3.
The infrared tube module I 1, infrared tube module II 2 are arranged on the doorframe of dormitory door, to passing in and out the people of dormitory
Member carries out real-time monitoring；Infrared tube module III 3 is arranged in dormitory doorframe lock oral pore, and the state of dormitory door lock is carried out in real time
Monitoring.
The pressure sensor module 4 is connected to the I/O mouths of STM32 single-chip microcomputers 9, and pressure sensor module 4 is arranged on every
On the bed board of individual student, after pressure sensor module 4 passes to the signal of STM32 single-chip microcomputers 9, in STM32 single-chip microcomputers 9 by with its
Data signal in memory module carries out judgement contrast, so as to judge the student not gone home all night.
The audio sensor 5 include SL517 acoustic controls integrated circuit 10, resistance R10, electric capacity C1, C2, C3, C4, C5, C6,
Electret condenser microphone BM；1 foot of the SL517 acoustic controls integrated circuit 10 passes sequentially through electric capacity C2, C1 ground connection, and the two ends of electric capacity C1 are simultaneously
The junction point for joining Electret condenser microphone BM, electric capacity C1 and electric capacity C2 is connected to 14 feet of SL517 acoustic controls integrated circuit 10, SL517
3 feet of acoustic control integrated circuit 10 are connected with its 5 foot by electric capacity C3, and its 7 foot is connected to STM32 single-chip microcomputers 9 by resistance R10
PA5 ends, 8 feet and 11 feet of SL517 acoustic controls integrated circuit 10 are connected with+5V power supplys, 9 feet of SL517 acoustic controls integrated circuit 10,10
Foot is connected with its 13 foot after electric capacity C4, C5 respectively, and its 12 foot is grounded by electric capacity C6.
The voice module 6 includes the stereo multimedia compiler 12, loudspeaker of LM1117 integrated regulators 11, WM8978
13rd, SD_CARD modules 14；Between+5V the power supplys and ground after passing sequentially through shunt capacitance C9, C10 filtering, it is connected to
3 feet and 1 foot of LM1117 integrated regulators 11, by shunt capacitance successively between 2 feet and 1 foot of LM1117 integrated regulators 11
After C11, C12 as subsequent conditioning circuit power supply；The SPKVDD ends and ground of the stereo multimedia compiler of the WM8978 12
Between pass sequentially through shunt capacitance C7, C8 filtering after, be connected with+5V power supplys by resistance R11, the 2 of LM1117 integrated regulators 11
The AVDD ends of the stereo multimedia compiler of foot and WM8978 12 are connected, the AVDD ends of the stereo multimedia compilers of WM8978 12
It is connected with its DCVDD end and DBVDD ends after C13, C14 in parallel between GND successively by resistance R12, the stereo many matchmakers of WM8978
The MODE of body compiler 12 is connected with its GND end by resistance R13, the LRCK ends of the stereo multimedia compilers of WM8978 12,
BCLK ends, ADCDAT ends, DACDAT ends, MCLK ends, SCLK ends, SDIN ends be sequentially connected STM32 single-chip microcomputers 9 PB12 ends,
PB13 ends, PC2 ends, PC3 ends, PC6 ends, PB8 ends, PB9 ends, the ROUT2 ends of the stereo multimedia compilers of WM8978 12 and
LOUT2 ends are connected to the two ends of loudspeaker 13；The PC8 ends of STM32 single-chip microcomputers 9, PC9 ends, PC10 ends, PC11 ends, PC12 ends, PD2
End DATA0 ends successively with SD_CARD modules 14, DATA1 ends, DATA2 ends, DATA3 ends, CLK ends, CMD ends are connected, while
The DATA0 ends of SD_CARD modules 14, DATA1 ends, DATA2 ends, DATA3 ends, CLK ends, CMD ends pass sequentially through resistance R18,
The 2 feet connection of R17, R16, R15, R14 and LM1117 integrated regulator 11.
The network communication module 7 include LAN8720A chips 15, RJ45 Ethernet interfaces 16, resistance R19, R20, R21,
R22, R23, R24, R25, R26, R27, R28, R29, R30, electric capacity C15, C16, C17, C18, C19, C20, C21, C22, C23,
C24, C25, C26, C27, C28, inductance L, crystal oscillator Y1, so that realize network communicating function；The PA2 ends of STM32 single-chip microcomputers 9 pass through
Resistance R19 is connected with 12 feet of LAN8720A chips 15, the PC1 ends of STM32 single-chip microcomputers 9, PG13 ends, PG14 ends, PG11 ends,
PC4 ends, PC5 ends, PA7 ends, PA1 ends 13 feet successively with LAN8720A chips 15,17 feet, 18 feet, 16 feet, 8 feet, 7 feet, 11
Foot, the connection of 14 feet；15 feet and 24 feet of LAN8720A chips 15 pass sequentially through resistance R20, R21 ground connection, STM32 single-chip microcomputers 9
Vdd terminal is connected with one end of inductance L after electric capacity C27 in parallel, the other end of inductance L in parallel after electric capacity C28 with RJ45
19 feet of 4 feet of Ethernet interface 16,5 feet and LAN8720A chips 15 and 1 foot connection, while respectively by resistance R22, R23,
21 feet of R24, R25 and LAN8720A chip 15,20 feet, 23 feet, 22 feet connection, 2 feet of LAN8720A chips 15,3 feet, 19
Foot, 1 foot, 9 feet are grounded by resistance R26, R27, electric capacity C15, C16, C17 respectively, with LAN8720A after electric capacity C18, C19 are in parallel
The 6 feet connection of chip 15,4 feet of LAN8720A chips 15 pass sequentially through crystal oscillator Y1, resistance after electric capacity C21 is filtered in parallel
R28 is connected with its 5 foot, and the connection end of crystal oscillator Y1 and resistance R28 is grounded by electric capacity C20；21 feet of LAN8720A chips 15,20
Foot, 23 feet, 22 feet, 2 feet, 3 feet are sequentially connected 1 foot of RJ45 Ethernet interfaces 16,2 feet, 3 feet, 6 feet, 9 feet, 12 feet, RJ45
1 foot of Ethernet interface 16,2 feet, 3 feet, 6 feet, 4 feet, 11 feet, 10 feet pass through electric capacity C22, C23, C24, C25, C26, electricity respectively
Resistance R29, R30 ground connection, 13 feet of RJ45 Ethernet interfaces 16,14 feet, 8 feet ground connection.
The present invention operation principle be：
Switch on power, connect network, the time period that night rests is downloaded to by STM32 single-chip microcomputers by PC；When not reaching
During setting time section, the personnel of system start-up infrared tube module I 1 and II 2 real-time monitoring of infrared tube module turnover dormitory are red
Outward real-time monitoring is carried out to III 3 pairs of dormitory door lock states of tube module, and prompt tone is sent by voice module, while by the dormitory
Door lock state be sent to the PC of manager by network communication module.The PF9 ends of STM32 single-chip microcomputers, PF10 ends, PF11 ends
Output high level signal, 3 infrared tube modules are started working, when infrared defeated before infrared tube module II 2 to tube module I 1
When going out high level signal to STM32 single-chip microcomputers, the number of the dormitory is from increasing 1；When it is infrared to tube module II 2 in infrared tube module
When exporting high level signal before I 1 to STM32 single-chip microcomputers, the number of the dormitory subtracts 1 certainly；When infrared to the high electricity of the output of tube module III 3
Ordinary mail number to STM32 single-chip microcomputers PE7 ends when, door lock is locked, STM32 Single-chip Controlling voice module not sounding；When infrared right
Tube module III 3 export low level signal to STM32 single-chip microcomputers PE7 ends when, door lock is not locked, and STM32 single-chip microcomputers send control
Signal is to voice module, and the voice signal that " please be closed the door " in SD_CARD modules is sent to the stereo multimedia volumes of WM8978
Device is translated, the prompt tone of " please close the door " is sent so as to control loudspeaker, while the RMII ends of STM32 single-chip microcomputers pass through network communication module
The door lock situation of the dormitory is sent to into the PC of manager.
When setting time section is reached, system all starts, and when dormitory someone speaks up, audio sensor output is high
PA5 foot of the level signal to STM32 single-chip microcomputers, STM32 single-chip microcomputers send control signal to voice module, and by SD_CARD moulds
In block, the voice signal of " please peace and quiet " is sent to the stereo multimedia compilers of WM8978, " please keep so as to controlling loudspeaker and sending
The prompt tone of peace and quiet ", while the number of times being warned is uploaded to PC by network communication module by the RMII ends of STM32 single-chip microcomputers
Machine；When the infrared number detected to tube module I 1 and infrared tube module II 2 number original less than the dormitory, STM32 is mono-
Piece machine is inquired about into its memory module according to the signal that pressure sensor module is input into, and by the not student at home to return on time
Name single pass-through network communication module is sent to PC；When the infrared high level signal that exports to tube module III 3 is to STM32 single-chip microcomputers
During PE7 ends, door lock is locked, STM32 Single-chip Controlling voice module not sounding；When infrared to the output low level letter of tube module III 3
Number to STM32 single-chip microcomputers PE7 ends when, door lock is not locked, and STM32 single-chip microcomputers send control signal to voice module, and by SD_
The voice signal that " please be closed the door " in CARD modules is sent to the stereo multimedia compilers of WM8978, sends so as to control loudspeaker
The prompt tone of " please close the door ", while the door lock situation of the dormitory is sent out by the RMII ends of STM32 single-chip microcomputers by network communication module
It is sent to the PC of manager.
The invention has the beneficial effects as follows：The present invention provides a kind of embedded system of students community management, with STM32 monolithics
Machine is control core, and in real time the number of student in each dormitory, door lock situation and rest situation can be monitored, and to disobeying
Rule dormitory is pointed out and situation is uploaded, convenient to manage.
Description of the drawings
Fig. 1 is schematic block circuit diagram of the present invention；
Fig. 2 is the principle schematic of infrared tube module of the present invention and audio sensor；
Fig. 3 is voice module principle schematic of the present invention；
Fig. 4 is inventive network communication module principle schematic；
Each label in Fig. 1～Fig. 4：1- infrared tube module Is, 2- infrared tubes module II, 3- infrared tubes module III, 4- pressure
Sensor, 5- audio sensors, 6- voice modules, 7- network communication modules, 8-PC machines, 9-STM32 single-chip microcomputers, 10-SL517 sound
Control integrated circuit, 11-LM1117 integrated regulators, the stereo multimedia compilers of 12-WM8978,13- loudspeaker, 14-SD_CARD
Module, 15-LAN8720A chips, 16-RJ45 Ethernet interfaces, C1～C28- electric capacity, R1～R20- resistance, Y1- crystal oscillators, L- are electric
Sense, T1～T3- infrared transmitting tubes, V1～V3- infrared receiving tubes, VT1～VT3- audions, BM- Electret condenser microphones.
Specific embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the invention will be further described.
Embodiment 1：As shown in figure 1, a kind of embedded system of students community management, including infrared tube module I 1, red
Outward to tube module II 2, infrared tube module III 3, pressure sensor module 4, audio sensor 5, voice module 6, network service
Module 7, PC 8 and STM32 single-chip microcomputers 9；The infrared tube module I 1, infrared tube module II 2, infrared tube module III 3,
Pressure sensor module 4 and voice module 6 are connected with the I/O interfaces of STM32 single-chip microcomputers 9, audio sensor 5 and STM32 monolithics
The A/D thief hatch connection of machine 9, network communication module 7 are connected on the RMII interfaces of STM32 single-chip microcomputers 9, network communication module 7
By ICP/IP protocol by the information transmission for detecting to PC 8；The infrared tube module I 1, infrared tube module II 2 are pacified
It is mounted on the doorframe of dormitory door, the personnel to passing in and out dormitory carry out real-time monitoring；Infrared tube module III 3 is arranged on dormitory doorframe
In fore shaft hole, real-time monitoring is carried out to the state of dormitory door lock；The pressure sensor module 4 is connected to STM32 single-chip microcomputers 9
I/O mouths, pressure sensor module 4 are arranged on the bed board of each student, and pressure sensor module 4 passes to STM32 single-chip microcomputers 9
After signal, by carrying out judgement contrast with the data signal in its memory module in STM32 single-chip microcomputers 9, so as to judge night
The not student at home to return to.
Infrared tube module I 1, infrared tube module II 2, infrared tube module III 3 and pressure sensor module 4 are detected
Signal be directly fed to inside STM32 single-chip microcomputers 9, Jing STM32 single-chip microcomputers 9 judge inquiry after output control signal to voice module
6, voice module 6 sends corresponding prompt tone；The signal that the audio sensor 5 is detected gives STM32 after A/D conversions
Inside single-chip microcomputer 9,6 sounding of output signal control voice module Jing after the inquiry of 9 internal judgment of STM32 single-chip microcomputers, meanwhile, STM32
The information for detecting is transferred to single-chip microcomputer 9 PC 8 of manager by network communication module 7.
Embodiment 2：As shown in Fig. 2 the present embodiment remainder is identical with previous embodiment, wherein described infrared tube mould
Block I 1 includes resistance R1, R2, R3, audion VT1, infrared transmitting tube T1, infrared receiving tube V1；The STM32 single-chip microcomputers 9
PF9 ends are connected with the base stage of audion VT1 by resistance R1, and the colelctor electrode of audion VT1 is connected with the negative electrode of infrared transmitting tube T1
Connect, the anode of infrared transmitting tube T1 is connected with+5V power supplys by resistance R2 ,+5V power supplys are by resistance R3 and infrared receiving tube V1
Negative electrode connection, the negative electrode of infrared receiving tube V1 is connected to the PE5 ends of STM32 single-chip microcomputers 9, and the anode of infrared receiving tube V1 connects
Ground；
The infrared tube module II 2 includes resistance R4, R5, R6, audion VT2, infrared transmitting tube T2, infrared receiving tube V2；
The PF10 ends of the STM32 single-chip microcomputers 9 are connected with the base stage of audion VT2 by resistance R4, the colelctor electrode of audion VT2 with it is red
The negative electrode connection of emission pipe T2, the anode of infrared transmitting tube T2 are connected with+5V power supplys by resistance R5, and+5V power supplys are by electricity
Resistance R6 is connected with the negative electrode of infrared receiving tube V2, and the negative electrode of infrared receiving tube V2 is connected to the PE6 ends of STM32 single-chip microcomputers 9, infrared
The plus earth of reception pipe V2；
The infrared tube module III 3 includes resistance R7, R8, R9, audion VT3, infrared transmitting tube T3, infrared receiving tube V3；
The PF11 ends of the STM32 single-chip microcomputers 9 are connected with the base stage of audion VT3 by resistance R7, the colelctor electrode of audion VT3 with it is red
The negative electrode connection of emission pipe T3, the anode of infrared transmitting tube T3 are connected with+5V power supplys by resistance R8, and+5V power supplys are by electricity
Resistance R9 is connected with the negative electrode of infrared receiving tube V3, and the negative electrode of infrared receiving tube V3 is connected to the PE7 ends of STM32 single-chip microcomputers 9, infrared
The plus earth of reception pipe V3；
The audio sensor 5 includes SL517 acoustic controls integrated circuit 10, resistance R10, electric capacity C1, C2, C3, C4, C5, C6, electret
Body microphone BM；1 foot of the SL517 acoustic controls integrated circuit 10 passes sequentially through electric capacity C2, C1 and is grounded, the two ends parallel connection of electric capacity C1
The junction point of Electret condenser microphone BM, electric capacity C1 and electric capacity C2 is connected to 14 feet of SL517 acoustic controls integrated circuit 10, SL517 acoustic controls
3 feet of integrated circuit 10 are connected with its 5 foot by electric capacity C3, and its 7 foot is connected to the PA5 of STM32 single-chip microcomputers 9 by resistance R10
End, 8 feet and 11 feet of SL517 acoustic controls integrated circuit 10 are connected with+5V power supplys, 9 feet of SL517 acoustic controls integrated circuit 10,10 feet
It is connected with its 13 foot after electric capacity C4, C5 respectively, its 12 foot is grounded by electric capacity C6；
Embodiment 3：As shown in figure 3, the present embodiment remainder is identical with previous embodiment, wherein the voice module 6 includes
The stereo multimedia compiler 12 of LM1117 integrated regulators 11, WM8978, loudspeaker 13, SD_CARD modules 14；+ the 5V is electric
Between source and ground after passing sequentially through shunt capacitance C9, C10 filtering, 3 feet and 1 foot of LM1117 integrated regulators 11 are connected to,
Power supply electricity between 2 feet and 1 foot of LM1117 integrated regulators 11 after shunt capacitance C11, C12 successively as subsequent conditioning circuit
Source；After shunt capacitance C7, C8 filtering is passed sequentially through between the SPKVDD ends and ground of the stereo multimedia compiler of the WM8978 12,
It is connected with+5V power supplys by resistance R11, the stereo multimedia compiler of 2 feet of LM1117 integrated regulators 11 and WM8978 12
The connection of AVDD ends, the AVDD ends of the stereo multimedia compilers of WM8978 12 by resistance R12 between GND successively C13 in parallel,
Be connected with its DCVDD end and DBVDD ends after C14, the MODE of the stereo multimedia compilers of WM8978 12 pass through resistance R13 and its
GND ends connect, the LRCK ends of the stereo multimedia compilers of WM8978 12, BCLK ends, ADCDAT ends, DACDAT ends, MCLK ends,
SCLK ends, SDIN ends be sequentially connected the PB12 ends of STM32 single-chip microcomputers 9, PB13 ends, PC2 ends, PC3 ends, PC6 ends, PB8 ends,
PB9 ends, the ROUT2 ends and LOUT2 ends of the stereo multimedia compilers of WM8978 12 are connected to the two ends of loudspeaker 13；STM32 is mono-
The PC8 ends of piece machine 9, PC9 ends, PC10 ends, PC11 ends, PC12 ends, PD2 ends DATA0 ends successively with SD_CARD modules 14,
DATA1 ends, DATA2 ends, DATA3 ends, CLK ends, CMD ends connection, while the DATA0 ends of SD_CARD modules 14, DATA1 ends,
DATA2 ends, DATA3 ends, CLK ends, CMD ends pass sequentially through resistance R18, R17, R16, R15, R14 and LM1117 integrated regulator
11 2 feet connection；
Embodiment 4：As shown in figure 4, the present embodiment remainder is identical with previous embodiment, the wherein network communication module 7
Including LAN8720A chips 15, RJ45 Ethernet interfaces 16, resistance R19, R20, R21, R22, R23, R24, R25, R26, R27,
R28, R29, R30, electric capacity C15, C16, C17, C18, C19, C20, C21, C22, C23, C24, C25, C26, C27, C28, inductance
L, crystal oscillator Y1, so that realize network communicating function；The PA2 ends of STM32 single-chip microcomputers 9 are by resistance R19 and LAN8720A chips 15
12 feet connection, the PC1 ends of STM32 single-chip microcomputers 9, PG13 ends, PG14 ends, PG11 ends, PC4 ends, PC5 ends, PA7 ends, PA1 ends according to
Secondary 13 feet with LAN8720A chips 15,17 feet, 18 feet, 16 feet, 8 feet, 7 feet, 11 feet, 14 feet are connected；LAN8720A chips 15
15 feet and 24 feet pass sequentially through resistance R20, R21 ground connection, the vdd terminal of STM32 single-chip microcomputers 9 in parallel after electric capacity C27 with electricity
One end connection of sense L, the other end of inductance L in parallel after electric capacity C28 with 4 feet of RJ45 Ethernet interfaces 16,5 feet and
19 feet of LAN8720A chips 15 and the connection of 1 foot, while pass through resistance R22, R23, R24, R25 and LAN8720A chip 15 respectively
21 feet, 20 feet, 23 feet, 22 feet connection, 2 feet of LAN8720A chips 15,3 feet, 19 feet, 1 foot, 9 feet respectively pass through resistance
R26, R27, electric capacity C15, C16, C17 ground connection, are connected with 6 feet of LAN8720A chips 15 after electric capacity C18, C19 are in parallel,
4 feet of LAN8720A chips 15 are passed sequentially through crystal oscillator Y1, resistance R28 after electric capacity C21 is filtered in parallel and are connected with its 5 foot, brilliant
The shake connection end of Y1 and resistance R28 is grounded by electric capacity C20；21 feet of LAN8720A chips 15,20 feet, 23 feet, 22 feet, 2 feet,
3 feet are sequentially connected 1 foot of RJ45 Ethernet interfaces 16,2 feet, 3 feet, 6 feet, 9 feet, 12 feet, and the 1 of RJ45 Ethernet interfaces 16
Foot, 2 feet, 3 feet, 6 feet, 4 feet, 11 feet, 10 feet are grounded by electric capacity C22, C23, C24, C25, C26, resistance R29, R30 respectively,
13 feet of RJ45 Ethernet interfaces 16,14 feet, 8 feet ground connection.
The specific embodiment of the present invention is explained in detail above in conjunction with accompanying drawing, but the present invention is not limited to above-mentioned reality
Example is applied, in the ken that those of ordinary skill in the art possess, can be with the premise of without departing from present inventive concept
Various changes can be made.
Claims (4)
1. the embedded system that a kind of students community manages, it is characterised in that：Including infrared tube module I（1）, infrared tube mould
Block II（2）, infrared tube module III（3）, pressure sensor module（4）, audio sensor（5）, voice module（6）, network lead to
Letter module（7）, PC（8）With STM32 single-chip microcomputers（9）；The infrared tube module I（1）, infrared tube module II（2）, it is infrared
To tube module III（3）, pressure sensor module（4）And voice module（6）With STM32 single-chip microcomputers（9）I/O interfaces connection, sound
Video sensor（5）With STM32 single-chip microcomputers（9）A/D thief hatch connection, network communication module（7）It is connected to STM32 single-chip microcomputers
（9）RMII interfaces on, network communication module（7）By ICP/IP protocol by the information transmission for detecting to PC（8）；It is described
Infrared tube module I（1）, infrared tube module II（2）On the doorframe of dormitory door, the personnel to passing in and out dormitory carry out reality
When monitor；Infrared tube module III（3）In dormitory doorframe lock oral pore, real-time monitoring is carried out to the state of dormitory door lock；
Pressure sensor module（4）On the bed board of each student, real-time monitoring is carried out to student's lodging situation.
2. the embedded system that students community according to claim 1 manages, it is characterised in that：The infrared tube module
Ⅰ（1）Including resistance R1, R2, R3, audion VT1, infrared transmitting tube T1, infrared receiving tube V1；The STM32 single-chip microcomputers（9）'s
PF9 ends are connected with the base stage of audion VT1 by resistance R1, and the colelctor electrode of audion VT1 is connected with the negative electrode of infrared transmitting tube T1
Connect, the anode of infrared transmitting tube T1 is connected with+5V power supplys by resistance R2 ,+5V power supplys are by resistance R3 and infrared receiving tube V1
Negative electrode connection, the negative electrode of infrared receiving tube V1 is connected to STM32 single-chip microcomputers（9）PE5 ends, the anode of infrared receiving tube V1 connects
Ground；
The infrared tube module II（2）Including resistance R4, R5, R6, audion VT2, infrared transmitting tube T2, infrared receiving tube
V2；The STM32 single-chip microcomputers（9）PF10 ends be connected with the base stage of audion VT2 by resistance R4, the current collection of audion VT2
Pole is connected with the negative electrode of infrared transmitting tube T2, and the anode of infrared transmitting tube T2 is connected with+5V power supplys by resistance R5 ,+5V power supplys
It is connected with the negative electrode of infrared receiving tube V2 by resistance R6, the negative electrode of infrared receiving tube V2 is connected to STM32 single-chip microcomputers（9）'s
PE6 ends, the plus earth of infrared receiving tube V2；
The infrared tube module III（3）Including resistance R7, R8, R9, audion VT3, infrared transmitting tube T3, infrared receiving tube
V3；The STM32 single-chip microcomputers（9）PF11 ends be connected with the base stage of audion VT3 by resistance R7, the current collection of audion VT3
Pole is connected with the negative electrode of infrared transmitting tube T3, and the anode of infrared transmitting tube T3 is connected with+5V power supplys by resistance R8 ,+5V power supplys
It is connected with the negative electrode of infrared receiving tube V3 by resistance R9, the negative electrode of infrared receiving tube V3 is connected to STM32 single-chip microcomputers（9）'s
PE7 ends, the plus earth of infrared receiving tube V3；
The audio sensor（5）Including SL517 acoustic control integrated circuits（10）, resistance R10, electric capacity C1, C2, C3, C4, C5, C6,
Electret condenser microphone BM；The SL517 acoustic controls integrated circuit（10）1 foot pass sequentially through electric capacity C2, C1 ground connection, the two ends of electric capacity C1
The junction point of in parallel Electret condenser microphone BM, electric capacity C1 and electric capacity C2 is connected to SL517 acoustic control integrated circuits（10）14 feet,
SL517 acoustic control integrated circuits（10）3 feet be connected with 5 feet by electric capacity C3,7 feet are connected to STM32 monolithics by resistance R10
Machine（9）PA5 ends, SL517 acoustic control integrated circuits（10）8 feet and 11 feet be connected with+5V power supplys, SL517 acoustic control integrated circuits
（10）9 feet, 10 feet be connected with 13 feet after electric capacity C4, C5 respectively, 12 feet are grounded by electric capacity C6.
3. the embedded system that students community according to claim 1 manages, it is characterised in that：The voice module（6）
Including LM1117 integrated regulators（11）, the stereo multimedia compilers of WM8978（12）, loudspeaker（13）, SD_CARD modules
（14）；After electric capacity C9, C10 is filtered in parallel between the+5V power supplys and ground, LM1117 integrated regulators are connected to（11）3
Foot and 1 foot, LM1117 integrated regulators（11）2 feet and 1 foot between in parallel after electric capacity C11, C12 as subsequent conditioning circuit confession
Power supply；The stereo multimedia compiler of the WM8978（12）SPKVDD ends and ground between pass sequentially through shunt capacitance C7, C8
After filtering, it is connected with+5V power supplys by resistance R11, LM1117 integrated regulators（11）2 feet and the stereo multimedias of WM8978
Compiler（12）AVDD ends connection, the stereo multimedia compilers of WM8978（12）AVDD ends pass through between resistance R12 and GND
It is connected with its DCVDD end and DBVDD ends after parallel connection C13, C14 successively, the stereo multimedia compilers of WM8978（12）MODE
It is connected with its GND end by resistance R13, the stereo multimedia compilers of WM8978（12）LRCK ends, BCLK ends, ADCDAT
End, DACDAT ends, MCLK ends, SCLK ends, SDIN ends are sequentially connected STM32 single-chip microcomputers（9）PB12 ends, PB13 ends, PC2
End, PC3 ends, PC6 ends, PB8 ends, PB9 ends, the stereo multimedia compilers of WM8978（12）ROUT2 ends and LOUT2 ends connection
In loudspeaker（13）Two ends；STM32 single-chip microcomputers（9）PC8 ends, PC9 ends, PC10 ends, PC11 ends, PC12 ends, PD2 ends successively with
SD_CARD modules（14）DATA0 ends, DATA1 ends, DATA2 ends, DATA3 ends, CLK ends, CMD ends connection, while SD_CARD
Module（14）DATA0 ends, DATA1 ends, DATA2 ends, DATA3 ends, CLK ends, CMD ends pass sequentially through resistance R18, R17, R16,
R15, R14 and LM1117 integrated regulator（11）2 feet connection.
4. the embedded system that students community according to claim 1 manages, it is characterised in that：The network communication module
（7）Including LAN8720A chips（15）, RJ45 Ethernet interfaces（16）, resistance R19, R20, R21, R22, R23, R24, R25,
R26, R27, R28, R29, R30, electric capacity C15, C16, C17, C18, C19, C20, C21, C22, C23, C24, C25, C26, C27,
C28, inductance L, crystal oscillator Y1, STM32 single-chip microcomputers（9）PA2 ends by resistance R19 and LAN8720A chips（15）12 feet connect
Connect, STM32 single-chip microcomputers（9）PC1 ends, PG13 ends, PG14 ends, PG11 ends, PC4 ends, PC5 ends, PA7 ends, PA1 ends successively with
LAN8720A chips（15）13 feet, 17 feet, 18 feet, 16 feet, 8 feet, 7 feet, 11 feet, 14 feet connection；LAN8720A chips（15）
15 feet and 24 feet pass sequentially through resistance R20, R21 ground connection, STM32 single-chip microcomputers（9）Vdd terminal in parallel after electric capacity C27 with
One end connection of inductance L, the other end of inductance L in parallel after electric capacity C28 with RJ45 Ethernet interfaces（16）4 feet, 5 feet and
LAN8720A chips（15）19 feet and 1 foot connection, while respectively pass through resistance R22, R23, R24, R25 and LAN8720A chip
（15）21 feet, 20 feet, 23 feet, 22 feet connection, LAN8720A chips（15）2 feet, 3 feet, 19 feet, 1 foot, 9 feet pass through respectively
Resistance R26, R27, electric capacity C15, C16, C17 ground connection, with LAN8720A chips after electric capacity C18, C19 are in parallel（15）6 feet connection,
LAN8720A chips（15）4 feet pass sequentially through crystal oscillator Y1, resistance R28 and be connected with its 5 foot after electric capacity C21 filtering in parallel,
The connection end of crystal oscillator Y1 and resistance R28 is grounded by electric capacity C20；LAN8720A chips（15）21 feet, 20 feet, 23 feet, 22 feet,
2 feet, 3 feet are sequentially connected RJ45 Ethernet interfaces（16）1 foot, 2 feet, 3 feet, 6 feet, 9 feet, 12 feet, RJ45 Ethernet interfaces
（16）1 foot, 2 feet, 3 feet, 6 feet, 4 feet, 11 feet, 10 feet respectively by electric capacity C22, C23, C24, C25, C26, resistance R29,
R30 is grounded, RJ45 Ethernet interfaces（16）13 feet, 14 feet, 8 feet ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915740.7A CN106530595A (en) | 2016-10-21 | 2016-10-21 | Embedded system for student community management |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610915740.7A CN106530595A (en) | 2016-10-21 | 2016-10-21 | Embedded system for student community management |
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| CN106530595A true CN106530595A (en) | 2017-03-22 |
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ID=58332461
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610915740.7A Pending CN106530595A (en) | 2016-10-21 | 2016-10-21 | Embedded system for student community management |
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| CN (1) | CN106530595A (en) |
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| CN107153377A (en) * | 2017-05-25 | 2017-09-12 | 昆明理工大学 | A kind of electronic circuit experiment data extraction and the embedded system of report generation |
| CN107292362A (en) * | 2017-06-16 | 2017-10-24 | 昆明理工大学 | A kind of long-distance bus ticket-validating apparatus |
| CN107403498A (en) * | 2017-08-10 | 2017-11-28 | 南京信息职业技术学院 | A kind of gate inhibition's electronic installation and gate control system based on Internet of Things |
| CN112509166A (en) * | 2020-12-07 | 2021-03-16 | 新哲教育发展(深圳)有限公司 | Student sleeping management system and method |
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Application publication date: 20170322 |