CN206849261U - 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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- CN206849261U CN206849261U CN201720823445.9U CN201720823445U CN206849261U CN 206849261 U CN206849261 U CN 206849261U CN 201720823445 U CN201720823445 U CN 201720823445U CN 206849261 U CN206849261 U CN 206849261U
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Abstract
The utility model discloses a kind of wireless communication system based on LoRa, including, LoRa terminals：The LoRa terminals have it is 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
It the utility model is related 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 the fault location of smart machine and distribution mesohigh circuit, various intelligent switch 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 takes 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 taiwan area frequently to have a power failure, while taiwan area is total
Leakage is protected, two level leakage is 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 communications such as single DTU or TTU end
Monitoring in real time is realized at end, and with high costs, installation difficulty, O＆M cost are high.
The communication transmission range such as bluetooth, WIFI, ZigBee is near, anti-interference weak, it is impossible to ensure real-time property
And reliability.
Utility model content
In order to solve the above-mentioned technical problem the utility model provides a kind of wireless communication system based on LoRa.
The utility model is achieved through the following technical solutions：
A kind of wireless communication system based on LoRa, including,
LoRa terminals：The LoRa terminals have it is 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 really plays a relaying action, connects
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 forms 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 include 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 be used for the RS485 interfaces that are connected with concentrator remote communication module interface or/and one for and concentrator cascade port
Connected RS485 interfaces.Existing concentrator remote communication module is integrated in inside concentrator, to realize the communication network of concentrator
Network upgrades, 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 realize 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, it is realizes that the upgrading of communication network provides hardware supported.Radio communication mold
Up-link of the block as concentrator remote communication module, downlink of the RS485 interfaces as concentrator remote communication module,
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, 5G or other communication networks can be developed into.Reach the purpose of upgrading from suitable wireless communication module.
Preferably, the controller is connected with debugging interface, debugging interface is wireline interface and wave point, passes through shifting
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 circuit, CAN interface circuit,
PS2 interface circuits, Mbus interface circuits, usb circuit.
The utility model compared with prior art, has the following advantages and advantages：
1st, the utility model is acquired and by concentrator telecommunication using each grid equipment data of LoRa terminal-pairs
Module carries out collecting upload to the data of multiple grid equipments, and using the structure, multiple grid equipments only need a phonecard, subtract
The occupancy of few telecommunication resources, reduces the waste of communication terminal.
2nd, LoRa terminals star topology and wireless routing MANET two ways, it is safe, reduce power customer communication
Expense, the waste of communication terminal is reduced, improve security, reduce the cost of power communication, it is remote by concentrator in a region
The hardware carrier that journey communication module interacts as data and main website.
Brief description of the drawings
Accompanying drawing described herein is used for providing further understanding the utility model embodiment, forms the one of the application
Part, the restriction to the utility model embodiment is not formed.In the accompanying drawings：
Fig. 1 is the utility model structure diagram.
Fig. 2 is the theory diagram of the utility model LoRa terminals.
Fig. 3 is the circuit theory diagrams of the first LoRa modules.
Embodiment
For the purpose of this utility model, technical scheme and advantage is more clearly understood, with reference to embodiment and accompanying drawing,
The utility model is described in further detail, and exemplary embodiment of the present utility model and its explanation are only used for explaining this
Utility model, it is not intended as to restriction of the present utility model.
Embodiment 1
A kind of wireless communication system based on LoRa as shown in Figure 1, including,
LoRa terminals：The LoRa terminals have it is 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 networking is route, compared to the communication such as existing bluetooth, WIFI, ZigBee, its
Long transmission distance, strong antijamming capability, application value are big.
Each grid equipment data of LoRa terminal-pairs are acquired and multiple power networks are set by concentrator remote communication module
Standby data carry out collecting upload, using the structure, are used as the sum of data by concentrator remote communication module 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 level, by LoRa without spool
Reason two level leakage guarantor 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 use
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 use two kinds of structure types, first, what external application was connected with concentrator remote communication module interface
RS485 interfaces, this structure use contact pin structure；Another kind is using 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
Exemplified by device upgrades to 4G, the concentrator remote communication module of 4G modules need to be only selected, is communicated by RS485 interfaces with concentrator mould
Block interface or cascade port are connected, and 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, debugging interface is set 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 of whole concentrator remote communication module is shown.Controller
STM32 can be used, itself and RS485 interfaces, debugging interface, wireless communication module, the first LoRa modules and the first power module
Connection can use 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 circuit, 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 carry out data interaction by wireless communication module and main website, receive 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, adaptability are 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, the purpose of this utility model, technical scheme and beneficial effect are entered
One step describes in detail, should be understood that and the foregoing is only specific embodiment of the present utility model, is not used to limit
Determine the scope of protection of the utility model, it is all within the spirit and principles of the utility model, any modification for being made, equally replace
Change, improve, should be included within the scope of protection of the utility model.
Claims (8)
- A kind of 1. wireless communication system based on LoRa, it is characterised in that including,LoRa terminals：The LoRa terminals have it is 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 and is 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.
- A kind of 3. 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.
- A kind of 6. 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.
- A kind of 8. 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 circuit, CAN interface circuit, PS2 interface circuits, Mbus interface circuits, USB and connect Mouth circuit.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221142A (en) * | 2017-07-07 | 2017-09-29 | 成都汉度科技有限公司 | A kind of wireless communication system based on LoRa |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221142A (en) * | 2017-07-07 | 2017-09-29 | 成都汉度科技有限公司 | A kind of wireless communication system based on LoRa |
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