CN205847253U - A kind of communication terminal based on LoRa and apply its communication system - Google Patents
A kind of communication terminal based on LoRa and apply its communication system Download PDFInfo
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- CN205847253U CN205847253U CN201620556209.0U CN201620556209U CN205847253U CN 205847253 U CN205847253 U CN 205847253U CN 201620556209 U CN201620556209 U CN 201620556209U CN 205847253 U CN205847253 U CN 205847253U
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- lora
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Abstract
The utility model discloses a kind of communication terminal based on LoRa and apply its communication system, wherein communication terminal based on LoRa includes MCU governor circuit and the interface circuit being connected respectively, telecommunication circuit, power circuit with MCU governor circuit, the data that interface circuit is received by MCU governor circuit are forwarded by telecommunication circuit, wherein, telecommunication circuit includes LoRa chip and Wi Fi chip, bluetooth or Zigbee chip.This utility model receives data by RS485 interface circuit, RS232 interface circuit, SPI interface circuitry, usb circuit and ethernet interface circuit, utilize LoRa chip to send data to data platform simultaneously, characteristic due to the transmission of LoRa data, it is achieved improve the purpose of data transmission distance under identical power consumption.
Description
Technical field
This utility model belongs to communication terminal technology field, in particular to a kind of communication terminal based on LoRa and
Apply its communication system.
Background technology
The data of present communications terminal transmit general Ethernet or Wi-Fi wireless communication technology.Ethernet etc. is used to have
Since it is desired that wiring, there is the technical problem of construction cost in the product that line mode carries out data transmission.What Wi-Fi typically utilized is
The wireless communication technology of 2.4Ghz.Meanwhile, during Long-range Data Transmission, between different channel signal, interference is strong, and signal transmission declines
Subtract big, reduced by bandwidth after long-distance transmissions.
Utility model content
In order to solve, the construction cost of existing communication terminal data transmission existence is high, decay is big, communication distance is short, power consumption is high
Technological deficiency, this utility model utilizes LoRa agreement to carry out data transmission by a kind of communication terminal based on LoRa, it is achieved phase
With the purpose improving data transmission distance in the case of decay.
This utility model provides a kind of communication terminal based on LoRa, it is characterised in that include MCU governor circuit and
The interface circuit that is connected with described MCU governor circuit respectively, telecommunication circuit, power circuit, described MCU governor circuit is by interface electricity
The data that road receives are forwarded by telecommunication circuit, wherein, telecommunication circuit include LoRa chip and Wi-Fi chip, bluetooth or
Person's Zigbee chip, described interface circuit includes RS485 interface circuit, RS232 interface circuit, SPI interface circuitry, USB interface
Circuit and ethernet interface circuit.This utility model RS485 interface circuit, RS232 interface circuit, SPI interface circuitry, USB connect
The setting of mouth circuit and ethernet interface circuit achieves the data receiving mobile device, and utilize LoRa chip arranges reality simultaneously
Now carried out data transmission by LoRa agreement, improve the purpose of transmission range.
Further, described SPI interface circuitry includes SPI interface and the SPI chip being connected with described SPI interface.
Further, RS485 interface circuit includes RS485 interface and the RS485 chip being connected with described RS485 interface.
Further, RS232 interface circuit includes RS232 interface and the RS232 chip being connected with described RS485 interface.
Further, described ethernet interface circuit includes Ethernet interface and the ether being connected with described Ethernet interface
Web-roll core sheet.The setting of this interface circuit achieves the function by Ethernet transceiving data.
Further, described telecommunication circuit also includes the Zigbee protocol transducer being connected with described ZigBee chip.
The setting of Zigbee protocol transducer achieves the purpose directly transmitted the ZigBee data received.
Further, described telecommunication circuit also includes the LoRa protocol converter being connected with described LoRa chip.LoRa agreement
The setting of transducer makes communication terminal described in the utility model just realize data biography without LoRa base station or protocol converter
Defeated purpose.
Further, described power circuit includes interconnective AC/DC circuit, set of cells.
This utility model additionally provides the communication system of a kind of application communication terminal based on LoRa, including mobile device,
LoRa network, data platform, wherein, described LoRa network includes at least one communication terminal 20 based on LoRa, each described
Communication terminal 20 based on LoRa is connected by LoRa protocol communication, and described mobile device, described data platform are respectively by connecing
Mouth circuit is connected with communication terminal based on LoRa described in described LoRa network.
To sum up, this utility model is by RS485 interface circuit, RS232 interface circuit, SPI interface circuitry, USB interface electricity
Road and ethernet interface circuit receive data, utilize LoRa chip to transmit described data to data platform, due to LoRa simultaneously
Characteristic this utility model of data transmission realizes improving under identical power consumption the purpose of data transmission distance.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of communication terminal based on LoRa described in the utility model；
Fig. 2 is the structural representation of unified embodiment of communication system described in the utility model；
Fig. 3 is the structural representation of another embodiment of communication system described in the utility model.
Detailed description of the invention
Below by specific embodiment and combine accompanying drawing this utility model is described in further detail.
As described in Figure 1, a kind of communication terminal 101 based on LoRa, including MCU governor circuit 1 and respectively with described MCU
The interface circuit 2 of governor circuit connection, telecommunication circuit 3, power circuit 4, described interface circuit is received by described MCU governor circuit
To data forwarded by described telecommunication circuit, wherein, described telecommunication circuit includes LoRa chip and Wi-Fi chip, bluetooth
Chip or ZigBee chip,
Described interface circuit includes RS485 interface circuit 21, RS232 interface circuit 22, SPI interface circuitry 23, USB interface
Circuit 24 and and network interface circuit 25.
Further, RS485 interface circuit includes RS485 interface and the RS485 chip being connected with described RS485 interface.Enter
One step, RS232 interface circuit includes RS232 interface and the RS232 chip being connected with described RS485 interface.Described Ethernet connects
Mouth circuit includes Ethernet interface and the Ethernet chip being connected with described Ethernet interface.Existing mobile device typically sets
Be equipped with RS485 interface, RS232 interface and USB interface, this utility model by RS485 data wire, RS232 data wire and
USB data line is capable of and the connection of communication terminal based on LoRa described in the utility model, to described in the utility model
Communication terminal based on LoRa transmission data.When being embodied as, described ethernet interface circuit is optional is set to RJ45 interface.With
Time, the setting of SPI interface achieves to enter between communication terminal based on LoRa described in the utility model and peripheral low speed devices
Row synchronous serial-data transmission, under the shift pulse of main device, data step-by-step is transmitted, and high-order front, low level is rear, it is provided that complete
Duplex communication, data transmission bauds is totally fast than I2C bus, and speed can reach a few Mbps.
Communication terminal based on LoRa described in the utility model can both can pass through USB interface, RS232 interface,
RS485 interface, can be directly connected to computer or mobile device by Ethernet interface again, thus improve described in the utility model
The compatibility of communication terminal based on LoRa.And it is, in general, that transfer rate, working frequency range and network topology structure are shadows
Ring three major parameters of sensing network characteristic.Compared with other wireless systems, LoRa technology has following several big advantage.It makes
With spread-spectrum modulation technique, the noise less than 20dB can be demodulated.Which ensure that high sensitivity, reliable network connect, improve simultaneously
Network efficiency also eliminates interference.And compared to mesh network, the star topology of LoRaWAN agreement eliminates synchronization and opens
Pin and jumping figure, thus reduce power consumption and multiple concurrent application program can be allowed to run on network.Therefore, optional utilization is originally
Communication terminal based on LoRa described in utility model realizes improving the purpose of communication distance, and compare other wireless protocols, this
The distance that utility model utilizes described communication terminal based on LoRa to carry out data transmission is generally 5 to 10 miles, has exceeded
Zigbee, bluetooth, 1 order of magnitude of WI-FI wireless communication technology, this makes to utilize described in the utility model based on LoRa
Communication terminal get final product work without repeater, thus reduce whole possessing cost.Additionally, compared to 3G and 4G Cellular Networks
Network, LoRa technology power consumption is lower, and cost performance is higher.
When being embodied as, above-mentioned communication terminal based on LoRa also may select when being embodied as configuration signal display lamp and/
Or memorizer.It is mainly used in storing the communication by LoRa agreement Yu other described LoRa of the serial communication of described LoRa
The information of terminal.
When being embodied as, described power circuit includes interconnective AC/DC circuit, set of cells.By AC/DC circuit it is
Described communication terminal based on LoRa is powered；Meanwhile, after power-off, utilize described battery-powered, it is achieved prevented by set of cells
The data transmission fails problem caused because of power-off.Described power circuit also optionally includes the guarantor being connected with described AC/DC circuit
Protection circuit, prevents the device damage caused because of voltage instability.
Further, described telecommunication circuit also includes the Zigbee protocol transducer being connected with described ZigBee chip.Along with
The development of wireless technology, the mobile device arranging ZigBee chip gets more and more, in order to realize and the shifting of built-in ZigBee chip
The communication of dynamic equipment, this utility model is optionally directly realized by reception ZigBee data by arranging ZigBee chip.Also simultaneously
Optionally arrange after Zigbee protocol transducer realizes receiving ZigBee data without by Zigbee protocol conversion equipment being
Protocol conversion can be completed, it is achieved communication terminal based on LoRa described in the utility model utilizes Zigbee protocol transceiving data to relate to
And ZigBee chip or ZigBee chip and Zigbee protocol transducer integrated setting.The most optionally utilize LoRa accordingly
Data are forwarded by chip, Wi-Fi chip or ethernet circuit.
Further, when being embodied as, described telecommunication circuit also optionally includes the LoRa association being connected with described LoRa chip
View transducer, it is achieved by described LoRa chip, the setting of LoRa protocol converter transceiving data integration, reduce laying
The step of LoRa protocol converter, it is achieved each communication terminal based on LoRa the most described in the utility model optionally leads to
Cross LoRa protocol converter to realize utilizing internet to transmit data to remote control table.
As in figure 2 it is shown, this utility model provides a kind of communication system, including mobile device 100, LoRa network 200, number
According to platform 400, wherein, described LoRa network includes at least one communication terminal 201 based on LoRa, each described based on LoRa
Communication terminal 201 connected by LoRa protocol communication, described mobile device, described data platform respectively by interface circuit with
Communication terminal based on LoRa described in described LoRa network connects.
When being embodied as, communication terminal based on LoRa described in the utility model and described mobile device (such as ammeter
Deng equipment) or the connection of data platform optionally utilize RS485 interface, RS232 interface, USB interface or Ethernet interface.Described
Communication terminal (i.e. from terminal) based on LoRa receives the data of mobile device (equipment such as such as ammeter) by interface circuit
After, sending data to master terminal by LoRa, master terminal forwards the data to be connected with master terminal by interface circuit again
Data platform.
In the present embodiment, arrange 3 and realize and 3 movements respectively from terminal (that is, described communication terminal based on LoRa)
Equipment connects, and when being embodied as, the quantity of described communication terminal based on LoRa is selectable to be configured as required.
It is illustrated in figure 3 the schematic diagram of another embodiment of the communication system that this utility model provides.In the present embodiment,
After described communication terminal based on LoRa receives the data of interconnected mobile device by interface circuit, by described data
It is forwarded to other communication terminals based on LoRa, finally by the communication terminal based on LoRa being connected with described data platform 4
Carry out data forwarding.
Compared with traditional switching network, communication terminal based on LoRa described in the utility model passes through described LoRa
The setting of chip, saves the demand of building network wiring between each node, completes establishment base by described LoRa chip
LoRa network in LoRa agreement.Owing to the communication distance of LoRa technology will be much longer than other wireless protocols, generally 5 to
10 miles, beyond Zigbee, bluetooth, 1 order of magnitude of WI-FI wireless communication technology, therefore in the present embodiment, pass through
The LoRa network that multiple described communication terminal based on LoRa is set up is set, due to each described communication terminal based on LoRa both
It is the router in LoRa network, is also client, say, that this terminal supports Mesh network, permissible in data transmission procedure
Realize multilevel relay, it is achieved be not required to repeater thus improve the purpose of data transmission distance.This utility model by multiple based on
Wireless Mesh netword based on LoRa agreement is set up in disposing of the communication terminal of LoRa, it is also possible to set up star network.Described
In the wireless Mesh netword that communication terminal based on LoRa is set up, if to add new equipment, it is only necessary to connect electricity simply
Source is the most permissible, and it can self-configure automatically, and determines optimal multi-hop transmission path.When interpolation or mobile device,
Network can find change in topology automatically, and automatically adjust communication lines by, to obtain maximally effective transmission path.Therefore this practicality
Novel described communication terminal based on LoRa by switching the communication port of each terminal, can allow multiple by described based on
The communication system that the communication terminal of LoRa is set up communicates in same region, and will not interfere with each other each other.
The foregoing is only preferred embodiment of the present utility model, be not limited to this utility model, for this
For the technical staff in field, this utility model can have various modifications and variations.All in spirit of the present utility model and principle
Within, any modification, equivalent substitution and improvement etc. made, within should be included in protection domain of the present utility model.
Claims (8)
1. a communication terminal based on LoRa, it is characterised in that include MCU governor circuit and respectively with described MCU master control electricity
The interface circuit of road connection, telecommunication circuit, power circuit, the data that described interface circuit is received by described MCU governor circuit
Being forwarded by described telecommunication circuit, wherein, described telecommunication circuit includes LoRa chip and Wi-Fi chip, bluetooth or Zigbee
Core,
Described interface circuit includes RS485 interface circuit, RS232 interface circuit, SPI interface circuitry, USB interface electricity and Ethernet
Interface circuit.
Communication terminal based on LoRa the most according to claim 1, it is characterised in that described SPI interface circuitry includes SPI
Interface and the SPI chip being connected with described SPI interface.
Communication terminal based on LoRa the most according to claim 1, it is characterised in that RS485 interface circuit includes RS485
Interface and the RS485 chip being connected with described RS485 interface.
Communication terminal based on LoRa the most according to claim 1, it is characterised in that RS232 interface circuit includes RS232
Interface and the RS232 chip being connected with described RS485 interface.
Communication terminal based on LoRa the most according to claim 1, it is characterised in that described ethernet interface circuit includes
Ethernet interface and the Ethernet chip being connected with described Ethernet interface.
Communication terminal based on LoRa the most according to claim 1, it is characterised in that described telecommunication circuit also includes and institute
State the Zigbee protocol transducer that ZigBee chip connects.
Communication terminal based on LoRa the most according to claim 1, it is characterised in that described power circuit includes interconnecting mutually
The AC/DC circuit that connects, set of cells.
8. applying a communication system for communication terminal based on LoRa according to any one of claim 1 to 7, its feature exists
In, including mobile device, the LoRa network by the establishment of described communication terminal based on LoRa, data platform, wherein,
Described LoRa network includes that at least one communication terminal based on LoRa, each described communication terminal based on LoRa pass through
LoRa protocol communication connects, and described mobile device, described data platform are respectively by interface circuit and institute in described LoRa network
State communication terminal based on LoRa to connect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620556209.0U CN205847253U (en) | 2016-06-08 | 2016-06-08 | A kind of communication terminal based on LoRa and apply its communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620556209.0U CN205847253U (en) | 2016-06-08 | 2016-06-08 | A kind of communication terminal based on LoRa and apply its communication system |
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| CN205847253U true CN205847253U (en) | 2016-12-28 |
Family
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| CN201620556209.0U Active CN205847253U (en) | 2016-06-08 | 2016-06-08 | A kind of communication terminal based on LoRa and apply its communication system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106506707A (en) * | 2016-12-30 | 2017-03-15 | 苏州英诺迅科技股份有限公司 | A kind of universal wireless data transmission of internet of things terminal |
| CN106781396A (en) * | 2016-12-30 | 2017-05-31 | 杭州朗缤科技有限公司 | A kind of meter-reading module based on lora wireless sense networks |
| CN107132929A (en) * | 2017-03-29 | 2017-09-05 | 深圳市亿兆互联技术有限公司 | A kind of wireless long range computer input system and method based on LoRa |
| CN109151749A (en) * | 2018-09-20 | 2019-01-04 | 广州市冠基信息科技有限公司 | A method of the covering of GPRS, CDMA, 4G signal is realized by Lora wireless technology |
| CN109698710A (en) * | 2017-10-20 | 2019-04-30 | 中国航天科工飞航技术研究院动力供应站 | Data transmission terminal based on LoRa and the communication system with it |
| CN110856154A (en) * | 2019-11-20 | 2020-02-28 | 江苏方天电力技术有限公司 | Electric power wireless relay communication system based on low-power-consumption wide area communication technology |
-
2016
- 2016-06-08 CN CN201620556209.0U patent/CN205847253U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106506707A (en) * | 2016-12-30 | 2017-03-15 | 苏州英诺迅科技股份有限公司 | A kind of universal wireless data transmission of internet of things terminal |
| CN106781396A (en) * | 2016-12-30 | 2017-05-31 | 杭州朗缤科技有限公司 | A kind of meter-reading module based on lora wireless sense networks |
| CN107132929A (en) * | 2017-03-29 | 2017-09-05 | 深圳市亿兆互联技术有限公司 | A kind of wireless long range computer input system and method based on LoRa |
| CN109698710A (en) * | 2017-10-20 | 2019-04-30 | 中国航天科工飞航技术研究院动力供应站 | Data transmission terminal based on LoRa and the communication system with it |
| CN109151749A (en) * | 2018-09-20 | 2019-01-04 | 广州市冠基信息科技有限公司 | A method of the covering of GPRS, CDMA, 4G signal is realized by Lora wireless technology |
| CN110856154A (en) * | 2019-11-20 | 2020-02-28 | 江苏方天电力技术有限公司 | Electric power wireless relay communication system based on low-power-consumption wide area communication technology |
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| GR01 | Patent grant |