CN207218672U - A kind of UART communications extension NB IOT new device - Google Patents
A kind of UART communications extension NB IOT new device Download PDFInfo
- Publication number
- CN207218672U CN207218672U CN201721151689.3U CN201721151689U CN207218672U CN 207218672 U CN207218672 U CN 207218672U CN 201721151689 U CN201721151689 U CN 201721151689U CN 207218672 U CN207218672 U CN 207218672U
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- uart
- transceivers
- iot
- microcontroller
- new device
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Abstract
The utility model discloses a kind of UART communications extension NB IOT new device, including NB IOT transceivers, microcontroller and UART transceivers；The microcontroller, which comprises at least, two groups of UART units, and one of which UART units are connected with the NB IOT transceivers, and another group is connected with the UART transceivers.The utility model uses the NB IOT communication module groups based on arrowband Internet of Things, and compared with GPRS modes, signal covering is wider, and communication connection is relatively reliable；Compared with using LoRa+GPRS modes, communication directly uploads platform, and reduction uses data concentrator, and general hardware cost and maintenance cost are also lower.This new device allows the old and new's equipment in industry spot and deposited, exchange the time of new old product iteration for, until old product rejection, have good economic benefit by compatible old equipment.
Description
Technical field
It the utility model is related to UART communications and arrowband Internet of Things NB-IOT technical fields, more particularly to a kind of UART communications
Extend NB-IOT new device.
Background technology
By decades industrial automation monitor or monitor development, industry spot have storage very big based on
RS232/RS485 communication equipment, and so far also constantly amplification wire communication equipment, due to need take into account what is do not scrapped
Old equipment, new wireless telecommunications system it is basic at present just can not direct replacing whole wire communication equipment, if whole is more
New or change old equipment, gigantic project and costly, this is unpractical.
So the device that a kind of simple and convenient wire communication turns wireless telecommunications can be designed, it is directly original with smart machine
UART interface docked, packet transparent transmission mode can be used, directly by the existing equipment with UART interface
Wire communication becomes wireless telecommunications, allows wire communication and the equipment of wireless telecommunications in the field and deposits.
In existing technology, have and GPRS wireless telecommunications are converted directly into by RS232/RS485, also have and pass through
RS232/RS485 turns WiFi/ZigBee/LoRa, then uploads data by possessing the data concentrator of GPRS functions.Due to GPRS
Communication robust is bad and signal covering is not wide enough, constrain this wired development for turning wireless communication apparatus.
The Chinese utility model patent of Application No. 201220431273.8, there is provided a kind of GSM/GPRS turns serial data
Converter, it completes serial port to GSM/GPRS data conversion by double-serial port.This technical scheme is also high, logical using power consumption
Interrogate the GSM/GPRS communications that stability is not good enough and signal covering is not wide enough.
Utility model content
The utility model makes improvement for above-mentioned technical problem, i.e. technical problem to be solved in the utility model is to carry
Extension NB-IOT new device is communicated for a kind of UART, for the old equipment of compatible industry spot, its wire communication is changed
For long-distance radio communication, and the device that traditional UART turns GSM/GPRS communications can be directly substituted, solve its signal covering and steady
The defects of qualitative.
To reach above-mentioned purpose, the utility model is realized using following technical scheme：
A kind of UART communications extension NB-IOT of the present utility model new device, including NB-IOT transceivers, microcontroller
Device and UART transceivers, the microcontroller, which comprises at least, two groups of UART units, one of which UART units and the NB-
IOT transceivers connect, and another group is connected with the UART transceivers, and the microcontroller also includes ADC units, and described
NB-IOT transceivers connect.
Further, the NB-IOT transceivers, the microcontroller and the UART transceivers pass through power supply list respectively
Member power supply, the power subsystem connect an XFMR isolating transformers, and the XFMR isolating transformers are connected with LDO converters, institute
State LDO converter output bus power supplys VCC2.
Further, the UART interface of the UART transceivers connection smart machine, the UART interface of the smart machine
The packet of transmission enters the microcontroller after UART transceivers conversion, then as described in the microprocessor control
NB-IOT transceivers, packet is wirelessly transmitted.
Further, the NB-IOT transceivers are the protenchyma combined network communication modules of model BC95 a kind of.
Further, the microcontroller is a kind of microprocessor chip of model STM32L476 low-power consumption.
Further, the UART extensions NB-IOT new devices also include communication indication signal circuit for lamp and reset electricity
Road.
Further, the UART transceivers are the isolated RS485 transceivers of model ISO3086T a kind of.
Compared with prior art, the utility model has the advantages that：Using the NB- based on arrowband Internet of Things
IOT communication module groups, compared with GPRS modes, signal covering is wider, and communication connection is relatively reliable；With using LoRa+GPRS modes
Compare, communication directly uploads platform, and reduction uses data concentrator, and general hardware cost and maintenance cost are also lower.This is new
Device allows the old and new's equipment in industry spot and deposited, the time of new old product iteration is exchanged for, until old by compatible old equipment
Product rejection, there is good economic benefit；And and it can be looked into long-range cloud platform direct communication link by cell phone application
Measurement data is seen, management more facilitates.
Brief description of the drawings
Fig. 1 is the circuit realiration block diagram of the utility model embodiment.
Fig. 2 is the circuit theory diagrams that RS485 and the NB-IOT communication mutual of the utility model embodiment are changed.
Fig. 3 is the circuit realiration frame that NB-IOT transceivers are substituted using LoRa transceivers of another embodiment of the utility model
Figure.
In Fig. 1：1-NB-IOT transceivers, 2- microcontrollers, 3-UART transceivers, 4- power subsystems, 5-XFMR isolation become
Depressor, 6- LDO converters, 7- communication indication signals circuit for lamp, 8- reset circuits.
In Fig. 3：1-LoRa transceivers, 2- microcontrollers, 3-UART transceivers, 4- power subsystems, 5-XFMR isolation transformations
Device, 6- LDO converters, 7- communication indication signals circuit for lamp, 8- reset circuits.
Embodiment
The accompanying drawing used required for embodiment will be briefly described below, it should be apparent that, it is described
Embodiment is part of the embodiment of the present utility model, and accompanying drawing is some embodiments of the utility model, common for this area
For technical staff, on the premise of not paying creative work, the accompanying drawing of other forms can also be obtained according to these accompanying drawings.
It should be noted that unless otherwise clearly defined and limited, term " connection " in the utility model description,
" connected ", " installation " should be interpreted broadly, for example, it may be being integrally connected, being fixedly connected or being detachably connected；Can be with
It is to be directly connected to by mechanical structure or electronics or be indirectly connected by intermediary.
As shown in Figures 1 and 2, a kind of UART communications extension NB-IOT provided by the utility model new device, including
NB-IOT transceivers 1, microcontroller 2 and UART transceivers 3, the microcontroller 2, which comprises at least, two groups of UART units, wherein
One group of UART unit is connected with the NB-IOT transceivers 1, and another group is connected with the UART transceivers 3, the microcontroller 2
Also include ADC units, be connected with the NB-IOT transceivers 1.
Further, the NB-IOT transceivers 1, the microcontroller 2 and the UART transceivers 3 pass through power supply respectively
Unit 4 is powered, and the power subsystem 4 connects an XFMR isolating transformers 5, and the XFMR isolating transformers 5 are connected with LDO conversions
Device 6, the output bus power supply VCC2 of LDO converters 6.
Further, the UART transceivers 3 connect the UART interface of smart machine, the UART interface of the smart machine
The packet of transmission enters the microcontroller 2 after the UART transceivers 3 conversion, then is controlled by the microcontroller 2
The NB-IOT transceivers 1, packet is wirelessly transmitted.
In the present embodiment, the serial data transmitted by the UART transceivers 3 can be converted to AT instructions
Wireless data format, forwarded by the NB-IOT transceivers 1；In turn, the nothing that the NB-IOT transceivers 1 receive
Line data format, difference can be converted to serial data form, be transmitted by the UART transceivers 3 into smart machine.
In the present embodiment, the serial data uses MODBUS RTU industrial protocol forms.
In the present embodiment, the microcontroller 2 is a kind of microprocessor core of model STM32L476 low-power consumption
Piece, the microprocessor chip are built-in with buffer unit, the serial communication data transmitted for interim storage smart machine, also use
To store the AT instruction format data of long-range cloud platform transmission.
Fig. 2 is seen also, is the circuit theory diagrams that RS485 and the NB-IOT communication mutual of the utility model embodiment are changed, works as institute
One embodiment when UART transceivers 3 are RS485 communication interfaces is stated, in the present embodiment, the UART transceivers 3 are a kind of
Model ISO3086T isolated RS485 transceivers.
In the present embodiment, the NB-IOT transceivers 1 are the protenchyma combined network communication modules of model BC95 a kind of, institute
State the eSIM cards that NB-IOT transceivers 1 are also built-in with the special number section of Internet of Things.
In the present embodiment, UART extension NB-IOT new devices also include communication indication signal circuit for lamp 7 and
Reset circuit 8, the reset circuit 8 are connected with the microcontroller 2, the communication indication signal circuit for lamp 7 and UART
Transceiver 3 connects, and is controlled by the I/O port of the microcontroller 2.In the UART transceivers 3 or the NB-IOT transceivers
1 when carrying out data transmission, and built-in LED light carries out flash for prompting in the communication indication signal circuit for lamp 7.
As one of optional embodiment, the UART transceivers 3 can be any in RS232, RS485, RS422
A kind of serial communication transceiver.
As shown in figure 3, as one of optional embodiment, the NB-IOT can also be substituted using LoRa transceivers 1
Transceiver 1, in a manner of LoRaWAN, with reference to the LoRa gateways for including NB-IOT communication modes（Or LoRa data concentrators）,
The LoRa transceivers 1 are connected with the communication of LoRa gateways, and the LoRa gateways are connected with remote platform, and remote platform is received with LoRa
The data communication of hair device 1 passes through the LoRa gateways transparent transmission.
In the present embodiment, the utility model uses the NB-IOT communication module groups based on arrowband Internet of Things, with GPRS modes
Compare, signal covering is wider, and communication connection is relatively reliable；Compared with using LoRa+GPRS modes, communication directly uploads platform,
Reduction uses data concentrator, and general hardware cost and maintenance cost are also lower.This new device is allowed by compatible old equipment
The old and new's equipment is in industry spot and deposits, and exchanges the time of new old product iteration for, until old product rejection, has good economy
Benefit；And and measurement data can be checked by cell phone application, management is more convenient with long-range cloud platform direct communication link.
The utility model preferred embodiment is the foregoing is only, only to illustrate technical concepts and features of the present utility model,
Its object is to allow person skilled in the art to understand content of the present utility model and implement accordingly, but can not be with this
Limit the scope of protection of the utility model.All equivalent changes and modifications done according to present utility model application the scope of the claims, all should
Belong to the utility model covering scope.
Claims (5)
1. a kind of UART communications extension NB-IOT new device, it is characterised in that including NB-IOT transceivers（1）, microcontroller
Device（2）And UART transceivers（3）, the microcontroller（2）Including at least there is two groups of UART units, one of which UART units with
The NB-IOT transceivers（1）Connection, another group and the UART transceivers（3）Connection, the microcontroller（2）Also include
ADC units, with the NB-IOT transceivers（1）Connection；
The NB-IOT transceivers（1）, the microcontroller（2）And the UART transceivers（3）Pass through power subsystem respectively（4）
Power supply, the power subsystem（4）Connect an XFMR isolating transformers（5）, the XFMR isolating transformers（5）LDO is connected with to turn
Parallel operation（6）, the LDO converters（6）Output bus power supply VCC2；
The UART transceivers（3）Connect the UART interface of smart machine, the data of the UART interface transmission of the smart machine
Bag passes through the UART transceivers（3）Enter the microcontroller after conversion（2）, then by the microcontroller（2）Described in control
NB-IOT transceivers（1）, packet is wirelessly transmitted.
A kind of 2. UART communications extension NB-IOT according to claim 1 new device, it is characterised in that the NB-
IOT transceivers（1）It is the protenchyma combined network communication module of model BC95 a kind of.
A kind of 3. UART communications extension NB-IOT according to claim 1 new device, it is characterised in that the micro-control
Device processed（2）It is a kind of microprocessor chip of model STM32L476 low-power consumption.
A kind of 4. UART communications extension NB-IOT according to claim 1 new device, it is characterised in that the UART
Extension NB-IOT new devices also include communication indication signal circuit for lamp（7）And reset circuit（8）.
A kind of 5. UART communications extension NB-IOT according to claim 1 new device, it is characterised in that
The UART transceivers（3）It is the isolated RS485 transceivers of model ISO3086T a kind of.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721151689.3U CN207218672U (en) | 2017-09-10 | 2017-09-10 | A kind of UART communications extension NB IOT new device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721151689.3U CN207218672U (en) | 2017-09-10 | 2017-09-10 | A kind of UART communications extension NB IOT new device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207218672U true CN207218672U (en) | 2018-04-10 |
Family
ID=61823920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721151689.3U Expired - Fee Related CN207218672U (en) | 2017-09-10 | 2017-09-10 | A kind of UART communications extension NB IOT new device |
Country Status (1)
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| CN (1) | CN207218672U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933651A (en) * | 2019-12-09 | 2020-03-27 | 贵州宝智达网络科技有限公司 | Transparent networking equipment based on NB-IOT and Modbus protocol |
-
2017
- 2017-09-10 CN CN201721151689.3U patent/CN207218672U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110933651A (en) * | 2019-12-09 | 2020-03-27 | 贵州宝智达网络科技有限公司 | Transparent networking equipment based on NB-IOT and Modbus protocol |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180410 Termination date: 20190910 |