CN109067495A - A kind of network clocking system managed concentratedly - Google Patents

A kind of network clocking system managed concentratedly Download PDF

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Publication number
CN109067495A
CN109067495A CN201811068105.5A CN201811068105A CN109067495A CN 109067495 A CN109067495 A CN 109067495A CN 201811068105 A CN201811068105 A CN 201811068105A CN 109067495 A CN109067495 A CN 109067495A
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CN
China
Prior art keywords
module
network
clock
mcu
terminal
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811068105.5A
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Chinese (zh)
Inventor
汪刚
卢兵
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Nanjing Institute of Industry Technology
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Nanjing Institute of Industry Technology
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Publication date
Application filed by Nanjing Institute of Industry Technology filed Critical Nanjing Institute of Industry Technology
Priority to CN201811068105.5A priority Critical patent/CN109067495A/en
Publication of CN109067495A publication Critical patent/CN109067495A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0635Clock or time synchronisation in a network
    • H04J3/0638Clock or time synchronisation among nodes; Internode synchronisation
    • H04J3/0658Clock or time synchronisation among packet nodes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0635Clock or time synchronisation in a network
    • H04J3/0685Clock or time synchronisation in a node; Intranode synchronisation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04JMULTIPLEX COMMUNICATION
    • H04J3/00Time-division multiplex systems
    • H04J3/02Details
    • H04J3/06Synchronising arrangements
    • H04J3/0635Clock or time synchronisation in a network
    • H04J3/0685Clock or time synchronisation in a node; Intranode synchronisation
    • H04J3/0697Synchronisation in a packet node

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Electric Clocks (AREA)

Abstract

The invention discloses the network clocking systems that one kind can manage concentratedly, including server terminal and clock terminal, several described clock terminals to be connected with server terminal;The clock terminal includes MCU, network module, clock module, Temperature Humidity Sensor, power module, display module, playing module, outer memory module and loudspeaker, the MCU is connected by network module with server terminal, clock module, Temperature Humidity Sensor, display module, playing module, outer memory module and power module correspondence are connected with MCU, and loudspeaker are connected with playing module.The present invention can manage the network intelligence clock system of control concentratedly, solve the great number of issues and pain spot occurred in campus.

Description

A kind of network clocking system managed concentratedly
Technical field:
The present invention relates to the network clocking systems that one kind can manage concentratedly.
Background technique:
With the continuous development of information technology, all kinds of large, medium and small all respond to the call of one's country, and actively push forward modern school Garden informatization, the wisdom education engineering construction for promoting country to advocate.It is just quickly being disposed in various kinds of schools at present various soft Hardware facility, but the time showing in the places to operate schools such as all kinds of classrooms, laboratory, Training Room, library, and ring a bell and language The links such as sound casting, also still rest on the broadcast that traditions of the past quartz clock adds whole school single and ring a bell system, the time occur The problems such as disunity, clock failure are more, safeguard not in time.
Summary of the invention:
The present invention is to provide a kind of network clocking that can be managed concentratedly to solve the above-mentioned problems of the prior art System.
The technical solution adopted in the present invention has: the network clocking system that one kind can manage concentratedly, including server terminal And clock terminal, several described clock terminals are connected with server terminal;The clock terminal include MCU, network module, when Clock module, Temperature Humidity Sensor, power module, display module, playing module, outer memory module and loudspeaker, the MCU pass through Network module is connected with server terminal, clock module, Temperature Humidity Sensor, display module, playing module, outer memory module It corresponds to power module and is connected with MCU, loudspeaker are connected with playing module.
Further, the MCU uses the single-chip microcontroller of model STM32F407ZGT6.
Further, the network module includes wifi module and wired module.
Further, the wifi module uses ESP8266 chip.
Further, the wired module uses W5500 devices at full hardware ICP/IP protocol stack network chip.
Further, the playing module is MP3 player.
Further, control switch is connected on the power module.
The invention has the following beneficial effects:
1) scene location information management: CRUD mainly carries out additions and deletions to building and room information and changes the operation such as to look into;
2) terminal initial information management: CR such as is mainly increased and is checked to end message at the operation, and end message includes Name/number, location information, registion time, network parameter and current state;
3) terminal device is managed: batch setting end message, including time, quarter-bell, audio file, volume and timing Switching on and shutting down;
4) log recording and inquiry are managed.
The present invention can manage the network intelligence clock system of control concentratedly, solve occur in above-mentioned campus numerous and ask Topic and pain spot.
Detailed description of the invention:
Fig. 1 is invention's principle block diagram.
Fig. 2 is the Network adaptation schematic diagram of wifi module in the present invention.
Fig. 3 is the peripheral circuit diagram of MP3 player in the present invention.
Fig. 4 is the power supply circuit of clock terminal in the present invention.
Specific embodiment:
The present invention will be further described below with reference to the drawings.
As shown in Figure 1, the network clocking system that one kind of the present invention can manage concentratedly, including server terminal and clock end End, several described clock terminals are connected with server terminal.
Clock terminal includes MCU, network module, clock module, Temperature Humidity Sensor, power module, display module, broadcasting Module, outer memory module and loudspeaker, MCU are connected by network module with server terminal, clock module, temperature and humidity sensing Device, display module, playing module, outer memory module and power module correspondence are connected with MCU, loudspeaker and playing module phase Even.
The present invention includes two parts of server terminal and clock terminal, clock terminal by wireless WIFI (2.4G) or Ethernet port accesses campus area network, and carries out interconnected communication with server terminal, by background server terminal in network All clock terminals are managed collectively and are controlled, thus realize the time that all clock terminals are unified in universe, it is personalized The functions such as quarter-bell and audio broadcasting.
User controls all clock terminals in join domain network by server terminal, and whole to the clock in networking End is managed and controls.Clock terminal sets data by receiving server terminal in specific local zone time daily, carries out Analysis, and software time compensation calculation is carried out by software algorithm and guarantees when walking of system to be automatically performed operation when school Precisely.
Clock system of the invention can not only realize different places to operate schools (classroom, laboratory, Training Room etc.) and unite One accurately synchronized clock system, moreover it is possible to according to the difference of place and education activities come the time of flexible setting the tinkle of bells, the tinkle of bells Effect, or carry out real-time, accurate personalized speech according to place and movable needs and broadcast, while the present invention also has The functions such as temperature, the humidity facility in the standby current place of real-time display, improve the practicability of product.It is believed that answering with the product With can not only effectively reinforce the function serving information of teaching environment, promote the accurate implementation of education activities, moreover it is possible to effectively improve religion Learn the efficiency of management work.
Clock terminal in the present invention can show that the times such as current temporal information, including date, time-division, week believe Breath is outer, also shows the information such as temperature and the humidity of customized cycle information and the current place of equipment.While clock terminal is also It supports power-off to automatically turn on, automatic synchronization, avoids terminal time disunity.
Clock terminal can select different digital display patterns, can select according to user and the needs of application scenarios Charactron design, can also use LED lattice display.
The server terminal on backstage can carry out unified time service to clock terminals all in network, ensure that all clocks are whole The uniformity and accuracy at end.Server terminal can send audio file simultaneously to given server terminal by wireless network in real time It is stored in terminal local, system can also efficiently select that clock terminal is timed or real-time broadcast, broadcasted content can be Specified audio file.Server terminal can monitor the state of all clock terminals in real time.If having clock terminal appearance in network Exception will have warning information prompt, be easy to implement the supervision to equipment state in universe, at the same can according to building, floor, The location informations such as room number check the state of present clock terminal.Server terminal possesses complete management log module, can be in detail The setting and management of thin record server terminal and each clock terminal operate, convenient for the security control of administrative department.
MCU in the present invention uses the single-chip microcontroller of model STM32F407ZGT6.MCU can be by driving wired module It is communicated with wifi module with background server terminal.Temperature Humidity Sensor can be acquired, driving MP3 (plays mould Block), SD card (outer memory module) and digital pipe display circuit (display module).It is included inside STM32F407ZGT6 single-chip microcontroller Clock.
Network module includes wifi module and wired module.Wifi module uses ESP8266 chip, and wired module uses W5500 devices at full hardware ICP/IP protocol stack network chip.
Fig. 2 is the Network adaptation circuit diagram of wifi module, and wifi module uses ESP8266 chip, can carry software and answer With, or pass through all WiFi network functions of another application processor unloading.
ESP8266 chip, can be directly from external sudden strain of a muscle when carrying application and as unique application processor in equipment Deposit middle starting.Built-in cache memory is conducive to improve system performance, and reduces memory requirements.Another situation It is that when wireless upper access undertakes the task of WIFI adapter, can be added in any design based on microcontroller, even It connects simple and easy, need to only pass through SPI/SDIO interface or central processing unit AHB and bridge mouth.
ESP8266 powerful chip processing and storage capacity makes it can be by GPIO mouthfuls of integrated sensors and other application Particular device, realize in the exploitation and operation of minimum early period and minimal account for system resource.ESP8266 height Embedded, Including duplexer balun, power management converter, therefore few external circuit is only needed, and including front-end module Shared PCB space is preferably minimized by entire solution in design.
The leading feature that system equipped with ESP8266 shows has: energy saving VoIP is fast between sleep-awake mode Speed switching, the cooperation adaptive wireless electrical bias of low-power operation, the processing function of front end signal, troubleshooting and radio system Coexistence characteristics of uniting are to eliminate honeycomb/bluetooth/DDR/LVDS/LCD interference.
Playing module is MP3 player.Fig. 3 is the peripheral circuit diagram of MP3 player, and the core chips of this circuit is WM8978。
WM8978 is the stereo multimedia digital signal coder an of low-power consumption, high quality.It is mainly used in Portable use, such as digital camera, portable DV.It combines the preposition amplification of stereo difference microphone With the driving of loudspeaker, earphone and difference, three-dimensional sound ray output, reduce required external module when application, for example do not need The amplifier of individual microphone or earphone.Advanced on piece digital signal processing function includes a 5 tunnel equalization functions, One level automatic control function for the mixed signal between ADC and the input of microphone or route, a pure record Sound or the digital clipping function of playback.In addition the function of a digital filtering is provided on the route of ADC, it can be better Using filtering, such as " reducing wind noise ".WM8978 can be applied to a host or a slave.Based on common ginseng Clock frequency, such as 12MHz and 13MHz are examined, internal PLL can provide audio clock in need for coder. WM8978 work is in analog power voltage 2.5V to 3.3V, and let it be to the greatest extent, and digital core part can be work in order to save electric energy Voltage drops to 1.62V.If necessary to increase output power, loudspeaker and the output of OUT3/4 line can be run in 5V power supply.Core The particular of piece can also carry out power-off control by software.
Control switch is connected on power module.Fig. 4 is the power supply circuit of clock terminal, and general supply is using 12V DC electricity Source can choose direct insertion 220 turns of 12V power supplys, and because internal system needs 5V and 3.3V to power thus, therefore we use decompression Chip LM2596-5 and ASM1117-3.3, design decompression, and voltage regulator circuit reaches stable 5V and 3.3V.
The present invention sets unique bluetooth equipment name, service UUID, transmission power, pairing password during installation.Guarantee is set For the unique of name, facilitate control.User needs certain permission using server terminal, single-chip microcontroller receive wifi module or The data that wired module receives carry out software decryption, to ensure the safety of system.User mentions according to oneself hobby It is preceding that the ring tone downloading being arranged will be needed into External memory equipment, support formats, the users such as MP3, WMA that background service can be used The alarm clock and the tinkle of bells of device client one by one, in batch modification system.When the time going to setting time, MCU will pass through SDIO read, DMA carry External memory equipment in selected the tinkle of bells data, give audio coding decoding chip, thus be output to loudspeaker/ Sound equipment.Specific local zone time is being arranged in simultaneity factor, by receiving wifi and cable data, is analyzed, and carry out soft Part time bias calculates, to operate (write clock module) when being automatically performed school, guarantees the accurate when walking of system, passes through display Part is shown, simultaneously because only needing to show the time, by comparison, it was found that charactron is optimal display device.Slave computer acquisition The data of Temperature Humidity Sensor, in real time by environment temperature and humidity by wifi or it is wired be sent to backstage, uniformly check.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art It for member, can also make several improvements without departing from the principle of the present invention, these improvement also should be regarded as of the invention Protection scope.

Claims (7)

1. the network clocking system that one kind can manage concentratedly, it is characterised in that: including server terminal and clock terminal, several The clock terminal is connected with server terminal;The clock terminal includes MCU, network module, clock module, temperature and humidity sensing Device, power module, display module, playing module, outer memory module and loudspeaker, the MCU pass through network module and server Terminal is connected, and clock module, Temperature Humidity Sensor, display module, playing module, outer memory module and power module are corresponding It is connected with MCU, loudspeaker are connected with playing module.
2. the network clocking system that can be managed concentratedly as described in claim 1, it is characterised in that: the MCU uses model The single-chip microcontroller of STM32F407ZGT6.
3. the network clocking system that can be managed concentratedly as described in claim 1, it is characterised in that: the network module includes Wifi module and wired module.
4. the network clocking system that can be managed concentratedly as claimed in claim 3, it is characterised in that: the wifi module uses ESP8266 chip.
5. the network clocking system that can be managed concentratedly as claimed in claim 3, it is characterised in that: the wired module uses W5500 devices at full hardware ICP/IP protocol stack network chip.
6. the network clocking system that can be managed concentratedly as described in claim 1, it is characterised in that: the playing module is MP3 Player.
7. the network clocking system that can be managed concentratedly as described in claim 1, it is characterised in that: connected on the power module Control switch.
CN201811068105.5A 2018-09-13 2018-09-13 A kind of network clocking system managed concentratedly Pending CN109067495A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110518996A (en) * 2019-08-23 2019-11-29 湖北朗祺视讯科技有限公司 Multimedia intelligent net mixer

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106483906A (en) * 2016-12-14 2017-03-08 南京工业职业技术学院 A kind of GPS automatic correcting time Control management system based on WIFI
CN206442400U (en) * 2016-11-11 2017-08-25 广州信本达信息科技有限公司 A kind of novel suspended type interconnects network clock
CN107255954A (en) * 2017-04-21 2017-10-17 南京工业职业技术学院 A kind of GPS automatic correcting time control systems by Bluetooth control
CN108227666A (en) * 2018-02-12 2018-06-29 天津科技大学 A kind of intelligent household terminal device based on electronic clock

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN206442400U (en) * 2016-11-11 2017-08-25 广州信本达信息科技有限公司 A kind of novel suspended type interconnects network clock
CN106483906A (en) * 2016-12-14 2017-03-08 南京工业职业技术学院 A kind of GPS automatic correcting time Control management system based on WIFI
CN107255954A (en) * 2017-04-21 2017-10-17 南京工业职业技术学院 A kind of GPS automatic correcting time control systems by Bluetooth control
CN108227666A (en) * 2018-02-12 2018-06-29 天津科技大学 A kind of intelligent household terminal device based on electronic clock

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110518996A (en) * 2019-08-23 2019-11-29 湖北朗祺视讯科技有限公司 Multimedia intelligent net mixer

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Application publication date: 20181221