CN107221142A - A kind of wireless communication system based on LoRa - Google Patents
A kind of wireless communication system based on LoRa Download PDFInfo
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- CN107221142A CN107221142A CN201710552215.8A CN201710552215A CN107221142A CN 107221142 A CN107221142 A CN 107221142A CN 201710552215 A CN201710552215 A CN 201710552215A CN 107221142 A CN107221142 A CN 107221142A
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- lora
- wireless communication
- communication module
- concentrator
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C19/00—Electric signal transmission systems
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- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of wireless communication system based on LoRa, including, LoRa terminals：The LoRa terminals have multiple, for collecting grid equipment data；Concentrator remote communication module：The concentrator remote communication module includes realizing the first LoRa modules of information exchange with LoRa terminals and realizing the wireless communication module of information exchange between main website.It uses each grid equipment data of LoRa terminal-pairs to be acquired and carry out collecting upload to the data of multiple grid equipments by concentrator remote communication module, using the structure, multiple grid equipments only need a phonecard, reduce the occupancy of telecommunication resources, and reduce cost.
Description
Technical field
The present invention relates to field of electrical equipment, and in particular to a kind of wireless communication system based on LoRa.
Background technology
Existing grid equipment, for example power network low-voltage power distribution station area collection concentrator, RCD etc. are a variety of
The increasing equipment such as fault location, various intelligent switch of smart machine and distribution mesohigh circuit passes through DTU, FTU etc.
Intelligent terminal, movement, UNICOM and the communication network of the use that communicated between main website are realized, are multipair between grid equipment and main website
One communication mode, but Distribution Network Equipment is widely distributed, environment is complicated, enormous amount, once using this kind of mode, Mei Ge electricity
Net equipment needs a phonecard, not only causes the waste of phonecard, and take substantial amounts of telecommunication resources, it is necessary to pay costliness
Usage charges, great economic pressures are brought to user.
The installation of intelligent power distribution equipment is more and more, including mesohigh and low pressure, particularly the remaining electricity of low-voltage power distribution station area
The regional more and more of action protector are flowed, but RCD causes platform that area frequently has a power failure, while platform Qu is total
Leakage is protected, two grades of leakages are protected and final stage leakage guarantor can not monitor in real time, and the management and good service to Utilities Electric Co. of basic unit are brought greatly
Pressure.In addition, mesohigh equipment such as fault location and intelligent switch are required for configuring the communication such as single DTU or TTU eventually
Monitoring in real time is realized at end, and with high costs, installation difficulty, O＆M cost are high.
The communication such as bluetooth, WIFI, ZigBee transmission range is near, anti-interference weak, it is impossible to ensure real-time property
And reliability.
The content of the invention
In order to solve the above-mentioned technical problem the present invention provides a kind of wireless communication system based on LoRa.
The present invention is achieved through the following technical solutions：
A kind of wireless communication system based on LoRa, including,
LoRa terminals：The LoRa terminals have multiple, for collecting grid equipment data；
Concentrator remote communication module：The concentrator remote communication module includes realizing information exchange with LoRa terminals
First LoRa modules and the wireless communication module that information exchange is realized between main website.
This programme is acquired and by concentrator remote communication module pair using each grid equipment data of LoRa terminal-pairs
The data of multiple grid equipments carry out collecting upload, and concentrator remote communication module is really to play a relaying action, connection
Front end termination equipment and rear end main website.Remote communication module is connected with main website by standard IP, and all nodes are two-way communication.
Using the structure, only uploading device needs phonecard, i.e., multiple grid equipments only need a phonecard, reduce accounting for for telecommunication resources
With, and reduce cost.Concentrator remote communication module constitutes LAN by LoRa and grid equipment, long-range by concentrator
Communication module uploads data, and communications cost is low, strong antijamming capability.
Further, the concentrator remote communication module also includes the first controller, the first power module, described first
Power module, the first LoRa modules, wireless communication module are both connected on the first controller, and first controller passes through serial ports
Be connected with one is used for and concentrator cascade port for the RS485 interfaces being connected with concentrator remote communication module interface or/and one
Connected RS485 interfaces.Existing concentrator remote communication module is integrated in inside concentrator, to realize the communication network of concentrator
Network is upgraded, and it needs to change whole concentrator, and its cost is high.The concentrator remote communication module of this programme is using contact pin type or outer
Portion's interface, the communication module interface and cascade port for being utilized respectively existing concentrator realizes connection, network upgrade, it is only necessary to replace corresponding
Concentrator remote communication module, save upgrade cost.Concentrator remote communication module includes the first controller, channel radio
Believe module, the first power module and RS485 interfaces, its upgrading to realize communication network provides hardware supported.Radio communication mold
Block as concentrator remote communication module up-link, RS485 interfaces as concentrator remote communication module downlink,
Hardware foundation is provided for data transfer.
Preferably, the wireless communication module is 4G modules or 5G modules.4G communications are existing main flow communication networks, with
The development of technology, can develop into 5G or other communication networks.The purpose of upgrading is reached from suitable wireless communication module.
Preferably, the controller is connected with debugging interface, debugging interface is wireline interface and wave point, by moving
Dynamic terminal can be debugged directly, convenient and swift safety.
Preferably, the LoRa terminals include second controller, second source module, the 2nd LoRa module-external interfaces
Circuit, isolation circuit and state instruction circuit for lamp, the second source module, the 2nd LoRa modules-, isolation circuit and state refer to
Show that lamp is both connected on second controller, external interface and isolation circuit are directly connected to.
Further, the isolation circuit is optical coupling isolation circuit.
Further, the external interface circuit include RS485 interface circuits, RS232 interface circuits, CAN interface circuit,
PS2 interface circuits, Mbus interface circuits, usb circuit.
The present invention compared with prior art, has the following advantages and advantages：
1st, the present invention is acquired and by concentrator remote communication module using each grid equipment data of LoRa terminal-pairs
Data to multiple grid equipments carry out collecting upload, and using the structure, multiple grid equipments only need a phonecard, reduce electricity
Believe the occupancy of resource, reduce the waste of communication terminal.
2nd, LoRa terminals star topology and wireless routing MANET two ways, safe, reduces power customer communication
Expense, reduces the waste of communication terminal, improves security, reduces the cost of power communication, remote by concentrator in a region
The hardware carrier that journey communication module is interacted as data and main website.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings：
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the theory diagram of LoRa terminals of the present invention.
Fig. 3 is the circuit theory diagrams of the first LoRa modules.
Embodiment
For the object, technical solutions and advantages of the present invention are more clearly understood, with reference to embodiment and accompanying drawing, to this
Invention is described in further detail, and exemplary embodiment and its explanation of the invention is only used for explaining the present invention, does not make
For limitation of the invention.
Embodiment 1
A kind of wireless communication system based on LoRa as shown in Figure 1, including,
LoRa terminals：The LoRa terminals have multiple, for collecting grid equipment data；
Concentrator remote communication module：The concentrator remote communication module includes realizing information exchange with LoRa terminals
First LoRa modules and the wireless communication module that information exchange is realized between main website.
Transmitted between data and concentrator remote communication module between multiple grid equipments by LoRa, LoRa terminals,
First LoRa modules are by the way of route networking, compared to the communication such as existing bluetooth, WIFI, ZigBee, its
Long transmission distance, strong antijamming capability, application value is big.
Each grid equipment data of LoRa terminal-pairs are acquired and multiple power networks are set by concentrator remote communication module
Standby data are carried out collecting upload, and using the structure, sum of the concentrator remote communication module as data is passed through in a region
The hardware carrier of main website interaction, multiple grid equipments only need a phonecard, reduce the occupancy of telecommunication resources, reduce communication terminal
Waste；LoRa terminals leak the data interactions such as guarantor with fault detector, FTU, fault detector, two grades, by LoRa without spool
Two grades of leakage guarantors of reason can solve the problem that real-time and integrity problem, reduces power failure radius, improves power supply reliability.
Concentrator remote communication module uses contact pin type structure, and concentrator remote communication module includes the first controller, the
One power module, first power module, the first LoRa modules, wireless communication module are both connected on the first controller, institute
The serial ports for stating the first controller is connected with the RS485 interfaces or/and one for being used to be connected with concentrator remote communication module interface
For the RS485 interfaces being connected with concentrator cascade port.The RS485 interfaces being connected with concentrator remote communication module interface are used
Contact pin type structure, the RS485 interfaces being connected with concentrator cascade port use external interface.RS485 interfaces are realized and concentrator
Connection and information exchange, it can be using two kinds of structure types, first, what external application was connected with concentrator remote communication module interface
RS485 interfaces, this structure uses contact pin structure；It is another to use the RS485 interfaces being connected with concentrator cascade port, two kinds of interfaces
Also can simultaneously exist, single can also exist.The first controller can equally use microprocessor in the present embodiment, with technology more
Newly, wireless communication module selects corresponding module, can be achieved to communicate to concentrator by changing concentrator remote communication module
The upgrading of network.Wireless communication module can be 4G modules or 5G modules.2G is concentrated with national grid and south electric network concentrator
Device upgrades to exemplified by 4G, need to only select the concentrator remote communication module of 4G modules, be communicated by RS485 interfaces with concentrator mould
Block interface or cascade port are connected, and just can realize that 2G concentrators upgrade to 4G.Overall, whole concentrator is not changed,
Cost is saved.As shown in figure 3, one for the first LoRa modules implements circuit diagram, wherein, the first controller U2 can be used
E32 family chips are realized.
As shown in figure 1, setting debugging interface on the first controller.The form LoRa wave points of debugging interface.May be used also
State display lamp is connected with the controller, and the working condition to whole concentrator remote communication module is shown.Controller
STM32, itself and RS485 interfaces, debugging interface, wireless communication module, the first LoRa modules and the first power module can be used
Connection can be using conventional connected mode.
As shown in Fig. 2 the LoRa terminals are led to including second controller, second source module, the 2nd LoRa modules, 485
Believe circuit, isolation circuit and state instruction circuit for lamp, the second source module, the 2nd LoRa modules, isolation circuit and state
Indicator lamp is both connected on second controller, wherein, 485 telecommunication circuits and isolation circuit are directly connected to.
The isolation circuit is optical coupling isolation circuit.
The external interface circuit includes RS485 interface circuits, RS232 interface circuits, CAN interface circuit, PS2 interfaces electricity
Road, Mbus interface circuits, usb circuit.
By taking multistage RCD, other power distribution station smart machines, mesohigh equipment as an example, wherein, in
High-tension apparatus includes fault detector, DTU, FTU etc..LoRa terminals realize data interaction by external interface circuit with above-mentioned,
Receive the said equipment active reporting or main website calls the data of survey together, concentrator telecommunication is sent to by the 2nd LoRa module ends
Module, concentrator remote communication module carries out data interaction by wireless communication module and main website, receives main website order.The device
Structure is substituted for existing part GPRS/CDMA modules, unified to upload to main website by concentrator remote communication module, reduces cost.
LoRa terminals support communication, and adaptability is stronger, it would be preferable to support more power equipment networkings.
It is illustrated in figure 2 the circuit theory diagrams of the first LoRa modules.Accordingly, LoRa terminals can also use the circuit knot
Structure.
Above-described embodiment, has been carried out further to the purpose of the present invention, technical scheme and beneficial effect
Describe in detail, should be understood that the embodiment that the foregoing is only the present invention, be not intended to limit the present invention
Protection domain, within the spirit and principles of the invention, any modification, equivalent substitution and improvements done etc. all should be included
Within protection scope of the present invention.
Claims (8)
1. a kind of wireless communication system based on LoRa, it is characterised in that including,
LoRa terminals：The LoRa terminals have multiple, for collecting grid equipment data；
Concentrator remote communication module：The concentrator remote communication module includes realizing the first of information exchange with LoRa terminals
LoRa modules and the wireless communication module that information exchange is realized between main website.
2. a kind of wireless communication system based on LoRa according to claim 1, it is characterised in that the concentrator is long-range
Communication module also includes the first controller, the first power module, first power module, the first LoRa modules, radio communication
Module is both connected on the first controller, and first controller is connected with one by serial ports to be used for and concentrator telecommunication mould
The connected RS485 interfaces of block interface or/and the RS485 interfaces for being connected with concentrator cascade port.
3. a kind of wireless communication system based on LoRa according to claim 2, it is characterised in that the radio communication mold
Block is 4G modules or 5G modules.
4. a kind of wireless communication system based on LoRa according to claim 2, it is characterised in that connect on the controller
It is connected to debugging interface.
5. a kind of wireless communication system based on LoRa according to claim 4, it is characterised in that the debugging interface is
Wireline interface or wave point.
6. a kind of wireless communication system based on LoRa according to claim 1, it is characterised in that the LoRa terminals bag
Second controller, second source module, the 2nd LoRa modules, external interface circuit, isolation circuit and state instruction circuit for lamp are included,
The second source module, the 2nd LoRa modules and status indicator lamp are both connected on second controller, wherein, external interface electricity
Road is connected by isolation circuit with second controller.
7. a kind of wireless communication system based on LoRa according to claim 6, it is characterised in that the isolation circuit is
Optical coupling isolation circuit.
8. a kind of wireless communication system based on LoRa according to claim 6, it is characterised in that the external interface electricity
Road includes RS485 interface circuits, RS232 interface circuits, CAN interface circuit, PS2 interface circuits, Mbus interface circuits, USB and connect
Mouth circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201710552215.8A CN107221142A (en) | 2017-07-07 | 2017-07-07 | A kind of wireless communication system based on LoRa |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710552215.8A CN107221142A (en) | 2017-07-07 | 2017-07-07 | A kind of wireless communication system based on LoRa |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107730866A (en) * | 2017-10-19 | 2018-02-23 | 成都汉度科技有限公司 | Four tables unification acquisition system based on polymer optical fiber communication |
| CN109979179A (en) * | 2019-03-08 | 2019-07-05 | 苏州天一信德环保科技有限公司 | Match electricity consumption monitor terminal based on GPRS and Lora technology |
| CN110610603A (en) * | 2019-10-21 | 2019-12-24 | 贵州电网有限责任公司 | Electric energy meter concentrator communication module based on LoRa technique |
| CN111243256A (en) * | 2020-03-24 | 2020-06-05 | 河南省中原智能电气科技有限公司 | Communication transmission module for low-voltage power distribution monitoring system |
| CN111412787A (en) * | 2020-03-26 | 2020-07-14 | 湖南科技大学 | Thunder field rapid detection system based on L oRa dynamic ad hoc network |
| CN111615018A (en) * | 2020-05-12 | 2020-09-01 | 国网江苏省电力有限公司电力科学研究院 | Communication system and method based on ultra/extra-high voltage power transmission and transformation project |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107730866A (en) * | 2017-10-19 | 2018-02-23 | 成都汉度科技有限公司 | Four tables unification acquisition system based on polymer optical fiber communication |
| CN109979179A (en) * | 2019-03-08 | 2019-07-05 | 苏州天一信德环保科技有限公司 | Match electricity consumption monitor terminal based on GPRS and Lora technology |
| CN110610603A (en) * | 2019-10-21 | 2019-12-24 | 贵州电网有限责任公司 | Electric energy meter concentrator communication module based on LoRa technique |
| CN111243256A (en) * | 2020-03-24 | 2020-06-05 | 河南省中原智能电气科技有限公司 | Communication transmission module for low-voltage power distribution monitoring system |
| CN111412787A (en) * | 2020-03-26 | 2020-07-14 | 湖南科技大学 | Thunder field rapid detection system based on L oRa dynamic ad hoc network |
| CN111615018A (en) * | 2020-05-12 | 2020-09-01 | 国网江苏省电力有限公司电力科学研究院 | Communication system and method based on ultra/extra-high voltage power transmission and transformation project |
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Application publication date: 20170929 |
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