CN209086712U - Multifunctional controller based on NB-IoT - Google Patents
Multifunctional controller based on NB-IoT Download PDFInfo
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- CN209086712U CN209086712U CN201821924185.5U CN201821924185U CN209086712U CN 209086712 U CN209086712 U CN 209086712U CN 201821924185 U CN201821924185 U CN 201821924185U CN 209086712 U CN209086712 U CN 209086712U
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Abstract
The utility model discloses a kind of multifunctional controller based on NB-IoT, it is related to controlling equipment technical field, including MCU；Power supply unit is connected by digital circuit power source with the MCU, for powering to the MCU；Memory module is connected, for storing data with the MCU；Serial ports expands module, is connected with the MCU, for expanding controlled working cell；AD/DA conversion circuit is connected, for controlling controlled terminal with the MCU；Power line carrier module is connected with the MCU, is used for controller for road lamp transmission of control signals；NB-IOT communication module is connected with the MCU, transmits for the data of MCU and control centre.The utility model is based on NB-IOT technology, and wireless telecommunications may be implemented, save a large amount of wire rod costs；It supports Ethernet, power line carrier communication, preferably compatibility, suitable communication mode access internet may be selected；Series connection expansion can be carried out, and addressing management is carried out to equipment, great amount of terminals equipment can be supported to work at the same time without causing congestion information.
Description
Technical field
The utility model relates to control equipment technical field, more particularly, to a kind of multi-functional control based on NB-IoT
Device.
Background technique
With the rapid development of technology of Internet of things, mobile communication is from the connection of people and people, Xiang Renyu object and object and object
Connection stride forward, all things on earth interconnection be inexorable trend.
By taking street lamp as an example, existing road lighting control main internetwork connection mode have Zigbee, Sub-1G(433,
470), three kinds of power carrier.Wherein, the individual communication distance of ZigBee and Sub-1G internetwork connection mode is shorter, general to transmit
Distance be no more than 300 meters of sighting distance, in actual use because greening shrub block, outer signal interference (will receive bluetooth, WIFI,
The adjacent frequency channels wireless device such as automobile remote controllers interference) etc. factors cause communication distance shorter, network stability is poor after networking,
Often there is networking failure, the situations such as data transmission fails, equipment can not inquire.Power-line carrier network is to power environment requirement
It is higher, it is easily interfered by other equipment in electric power network, part installation environment and load equipment can not be adapted to.Secondly, Zigbee,
Sub-1G(433,470), three kinds of internetwork connection modes of power carrier can not all access internet, it is direct with illumination monitoring server
Communication, it is necessary to Communication Gateway equipment (such as GPRS gateway, 3G gateway etc.) is set, it could will be on monitoring data transmission to internet
Illumination monitoring server, certainly will so increase system equipment cost.
It is also intended to consider to solve in addition to solve the problem of that above-mentioned data communication has access to multiple terminal equipment
One of.
Summary of the invention
Problem to be solved in the utility model is to provide a kind of multifunctional controller based on NB-IoT, can effectively solve
Communication issue between uplink, downstream plant can also carry out series connection and expand use to access more terminal devices, and use is newest
Narrowband technology of Internet of things, there is lower cost and power consumption and communication.
In order to solve the above technical problems, the technical solution adopted in the utility model is:
A kind of multifunctional controller based on NB-IoT, it is characterised in that:
Including MCU；
Power supply unit is connected by digital circuit power source with the MCU, for powering to the MCU；
Memory module is connected, for storing data with the MCU；
Serial ports expands module, is connected with the MCU, for expanding controlled working cell；
AD/DA conversion circuit is connected, for controlling controlled terminal with the MCU；
Power line carrier module is connected with the MCU, is used for controller for road lamp transmission of control signals；
NB-IOT communication module is connected with the MCU, transmits for the data of MCU and control centre.
Further, the memory module includes SDRAW memory and FLASH memory.
Further, the controlled working cell includes one or more of display, sensor and camera.
Further, the controlled terminal includes single LED lamp controller, LED display, environment monitoring sensor, charging
One or more of stake charging controller.
Further, the MCU is STM32F407ZGT6.
Further, the digital circuit power source is SM-DLK17A.
Further, it is WK2114-ISPG that the serial ports, which expands module,.
Further, the AD/DA conversion circuit is PCF8591 analog-to-digital conversion circuit.
Further, the power line carrier module is KQ-330E power line carrier module.
Further, the NB-IOT communication module is NB-75 module.
The beneficial effects of the utility model are: 1, be based on newest NB-IOT technology, may be implemented wireless telecommunications, save big
Measure wire rod cost；2, Ethernet, power line carrier communication are supported, preferably compatibility, suitable communication mode access may be selected
Internet；3, controller can carry out series connection expansion, and carry out addressing management to equipment, can support great amount of terminals equipment simultaneously
Work is without causing congestion information.
The utility model is described in detail with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the control principle drawing of multifunctional controller of the utility model based on NB-IoT.
In the accompanying drawings: 1 is MCU, and 2 be power supply unit, and 3 be digital circuit power source, and 4 be memory module, and 5 be that serial ports is expanded
Module, 6 be controlled working cell, and 7 be AD/DA conversion circuit, and 8 be controlled terminal, and 9 be power line carrier module, and 10 be street lamp
Controller, 11 be NB-IOT communication module, and 12 be control centre.
Specific embodiment
Referring to attached drawing, the utility model provides a kind of multifunctional controller based on NB-IoT, and key is: including
MCU1；Power supply unit 2 is connected by digital circuit power source 3 with MCU1, is powered for alternating current to be switched to direct current to MCU1；It deposits
Memory modules 4, are connected with MCU1, for storing data；Serial ports expands module 5, is connected with MCU1, for expanding controlled job note
Member 6；AD/DA conversion circuit 7, is connected with MCU1, for controlling controlled terminal 8；Power line carrier module 9, is connected with MCU1, uses
In to 10 transmission of control signals of controller for road lamp；NB-IOT communication module 11, is connected with MCU1, for MCU1 and control centre 12
Between data transmission.
Above-mentioned memory module 4 includes SDRAW memory and FLASH memory.
Above-mentioned controlled working cell 6 includes display, sensor and camera, can be any one above-mentioned or more
Kind.When controlled working cell 6 is camera, is expanded between module 5 and camera in serial ports and be additionally provided with video encoder.
Above-mentioned controlled terminal 8 includes single LED lamp controller, LED display, environment monitoring sensor, charging pile charging
Controller can be any one or more above-mentioned.
MCU1 is STM32F407ZGT6 in the present embodiment, and digital circuit power source 3 is SM-DLK17A, and serial ports expands module
5 be WK2114-ISPG, and AD/DA conversion circuit 7 is PCF8591 analog-to-digital conversion circuit, and power line carrier module 9 is KQ-
330E power line carrier module, NB-IOT communication module 11 are NB-75 modules.It will be apparent that those skilled in the art may be used also
To select other models according to the design needs.
At work, uplink accesses internet by NB-IOT communication module 11 to connect control to the controller of the utility model
Center 12 processed, downlink pass through power line carrier module, 485 and other general purpose I/O Interfaces and controlled terminal 8 or controlled working cell
6 are connected, and communication between devices send control information by ARM single-chip microcontroller, and upload terminal feedback information, can be effectively reduced into
This.
The computer at control centre end is sent to controller by internet and is instructed, and controller is according to device address to terminal
Equipment is precisely controlled, and the ARM single-chip microcontroller in controller looks into the feedback information of terminal device by way of taking turn
It askes, and the information inquired is uploaded to control centre's end computer.
The controller of the utility model realizes the interaction of information using narrowband technology of Internet of things and the NB-IOT platform of telecommunications,
The information that controller uploads is pushed to enterprise platform by telecommunication platform, realizes the monitoring to terminal data.Enterprise platform issues control
The process of system order is then first to send control information to telecommunication platform, and whether the format of telecommunication platform detection information is correct and will
Information is handed down to controller, and the data that controller analyzing platform issues control the switch of respective channel, realizes to the long-range of street lamp
Control.
Controller can be added deduct with external impressed current, voltage acquisition module, smoke detection module by increasing by 485 buses
The number of few module can flexibly control electric current, voltage acquisition number.Modules unified addressing makes the complexity of system can be with
Flexibly control.
Controller carries ethernet module, can connect access internet by cable in the place for having cable, support
ICP/IP protocol guarantees the reliability and real-time of communication.The switch control to single lamp is realized by power line carrier module 9.
Each module works independently, and a module, which goes wrong, does not interfere with the function of other modules, certain module goes wrong an only needs
Corresponding module i.e. restorable system correlation function is replaced, maintenance is simple, and multi-channel control is powerful.
Finally it should be noted that: the above embodiments are merely illustrative of the technical scheme of the present invention and are not intended to be limiting thereof；To the greatest extent
The present invention is described in detail with reference to preferred embodiments for pipe, it should be understood by those ordinary skilled in the art that: still
It can modify to a specific embodiment of the invention or some technical features can be equivalently replaced；Without departing from this hair
The spirit of bright technical solution should all cover within the scope of the technical scheme claimed by the invention.
Claims (10)
1. a kind of multifunctional controller based on NB-IoT, it is characterised in that:
Including MCU(1)；
Power supply unit (2) is connected by digital circuit power source (3) with the MCU(1), for powering to the MCU(1)；
Memory module (4) is connected, for storing data with the MCU(1)；
Serial ports expands module (5), is connected with the MCU(1), for expanding controlled working cell (6)；
AD/DA conversion circuit (7) is connected with the MCU(1), for controlling controlled terminal (8)；
Power line carrier module (9) is connected with the MCU(1), is used for controller for road lamp (10) transmission of control signals；
NB-IOT communication module (11) is connected with the MCU(1), transmits for the data between MCU(1) and control centre (12).
2. the multifunctional controller according to claim 1 based on NB-IoT, it is characterised in that: the memory module
It (4) include SDRAW memory and FLASH memory.
3. the multifunctional controller according to claim 1 based on NB-IoT, it is characterised in that: the controlled working cell
It (6) include one or more of display, sensor and camera.
4. the multifunctional controller according to claim 1 based on NB-IoT, it is characterised in that: the controlled terminal (8)
Including one or more of single LED lamp controller, LED display, environment monitoring sensor, charging pile charging controller.
5. the multifunctional controller according to claim 1-4 based on NB-IoT, it is characterised in that: the MCU
It (1) is STM32F407ZGT6.
6. the multifunctional controller according to claim 1-4 based on NB-IoT, it is characterised in that: the number
Circuit power (3) is SM-DLK17A.
7. the multifunctional controller according to claim 1-4 based on NB-IoT, it is characterised in that: the serial ports
Expanding module (5) is WK2114-ISPG.
8. the multifunctional controller according to claim 1-4 based on NB-IoT, it is characterised in that: the AD/
DA conversion circuit (7) is PCF8591 analog-to-digital conversion circuit.
9. the multifunctional controller according to claim 1-4 based on NB-IoT, it is characterised in that: the electric power
Line carrier module (9) is KQ-330E power line carrier module.
10. the multifunctional controller according to claim 1-4 based on NB-IoT, it is characterised in that: the NB-
IOT communication module (11) is NB-75 module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821924185.5U CN209086712U (en) | 2018-11-21 | 2018-11-21 | Multifunctional controller based on NB-IoT |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821924185.5U CN209086712U (en) | 2018-11-21 | 2018-11-21 | Multifunctional controller based on NB-IoT |
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| Publication Number | Publication Date |
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| CN209086712U true CN209086712U (en) | 2019-07-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111404970A (en) * | 2020-04-23 | 2020-07-10 | 应急管理部四川消防研究所 | Intelligent low-power-consumption wireless communication protocol conversion system |
-
2018
- 2018-11-21 CN CN201821924185.5U patent/CN209086712U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111404970A (en) * | 2020-04-23 | 2020-07-10 | 应急管理部四川消防研究所 | Intelligent low-power-consumption wireless communication protocol conversion system |
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