CN106209613A - A kind of gateway based on LoRa wireless technology - Google Patents
A kind of gateway based on LoRa wireless technology Download PDFInfo
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- CN106209613A CN106209613A CN201610787365.2A CN201610787365A CN106209613A CN 106209613 A CN106209613 A CN 106209613A CN 201610787365 A CN201610787365 A CN 201610787365A CN 106209613 A CN106209613 A CN 106209613A
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- 238000005516 engineering process Methods 0.000 title claims abstract description 26
- 238000004891 communication Methods 0.000 claims abstract description 123
- 238000009434 installation Methods 0.000 abstract description 7
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 9
- 230000006870 function Effects 0.000 description 5
- 230000007246 mechanism Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 230000010247 heart contraction Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 3
- 230000006855 networking Effects 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 238000013480 data collection Methods 0.000 description 2
- 230000010354 integration Effects 0.000 description 2
- 238000013507 mapping Methods 0.000 description 2
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/16—Gateway arrangements
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a kind of gateway based on LoRa wireless technology, belong to Wireless Telecom Equipment technical field, gateway communicates to connect with at least one data acquisition node of thing network sensing layer, for the related data that each data acquisition node collects being sent to the relevant device of Internet of Things Internet, including: LoRa communication module, it is connected with each data acquisition node；Remote communication module, is connected with LoRa communication module；Main control module, LoRa communication module is connected with remote communication module by main control module, for being controlled LoRa communication module and remote communication module；Power module, is connected with LoRa communication module, remote communication module and main control module.Beneficial effects of the present invention: use LoRa wireless communication technology, utilizes and exempts from licensed band, it is achieved free, radio communication, installation procedure is simple, it is not necessary to connect up in advance, and mobility is good, communications cost is low, communication distance is remote, low in energy consumption, capacity of resisting disturbance is strong.
Description
Technical field
The present invention relates to Internet of Things technical field of communication equipment, particularly relate to a kind of gateway based on LoRa wireless technology.
Background technology
Internet of Things framework can be divided into three layers: sensing layer, Internet and application layer.
Sensing layer is made up of various sensors, including Temperature Humidity Sensor, two-dimension code label, RFID label tag and read write line,
The perception terminals such as photographic head, infrared ray, GPS, said sensed terminal is all as data acquisition node.Sensing layer is Internet of Things identification
Object, the source of collection information.
Internet, by various networks, forms including the Internet, Broadcasting Cable Network, NMS and cloud computing platform etc., is
The maincenter of whole Internet of Things, is responsible for transmission and processes the information that sensing layer obtains.Internet data acquisition node each to sensing layer
The related data information gathered carries out integration process, and processing integration processing means accordingly is exactly things-internet gateway.
Application layer is the interface of Internet of Things and user, and it is combined with industry requirement, it is achieved the intelligent use of Internet of Things.
Current gateway is generally divided into two kinds, and one is to have line style gateway, and one is radio-type gateway.Line style gateway is had to need
Wanting the communications cable, cost is high, and installation procedure is complicated, and mobility is poor, and communication distance is near, and maintenance cost is high.Radio-type gateway one
As use two ways to carry out data communication, wherein, first kind of way utilizes GPRS or CDMA or 3G or 4G etc. long-range
Communication carries out the information gathering of this locality, and remote radio communication technical transmission, can be to any one on the earth apart from far
Individual place.But it fatal shortcoming is intended to collect high communication expense, and, its power consumption is the highest, in addition,
These communication structures of GPRS or CDMA or 3G or 4G are complicated, communications cost is higher, power consumption is bigger；The second
Mode uses ZigBee communication to carry out the data communication between each system, uses that distributed ZigBee is netted to be opened up
Flutter structure and can realize information sharing and extended distance, its long transmission distance, but anti-interference is weak, needs to connect up in advance, makes
With inconvenience.
In sum, all there is different problems and cause meeting the demand of user in existing gateway, it is therefore desirable to
A kind of installation procedure is simple, without wiring in advance, mobility is good, communication distance is remote, communications cost is low, capacity of resisting disturbance the most also
And the gateway that power consumption is the least.
Summary of the invention
Complicated for gateway installation procedure in the market, mobility is poor, cost is high, communication distance is near, power consumption is big,
The problem that poor anti jamming capability, the scope of application are little, existing provide a kind of installation procedure simple, good without wiring in advance, mobility,
The gateway based on LoRa wireless technology that communication distance is remote, communications cost is low, capacity of resisting disturbance is strong and power consumption is the least.
Concrete technical scheme is as follows:
A kind of gateway based on LoRa wireless technology, described gateway leads to at least one data acquisition node of thing network sensing layer
Letter connects, and sets for the related data that each described data acquisition node collects is sent to the relevant of Internet of Things Internet
Standby, described gateway includes:
LoRa communication module, is connected with each described data acquisition node, for by LoRa wireless technology and each described number
Carry out LoRa radio communication according to acquisition node, receive and export the described dependency number that each described data acquisition node collects
According to；
Remote communication module, is connected with described LoRa communication module, for receiving the described phase that described LoRa communication module sends
Close data, and described related data is sent to the relevant device of described Internet of Things Internet；
Main control module, described LoRa communication module is connected with described remote communication module by described main control module, for institute
State LoRa communication module and described remote communication module is controlled；
Power module, is connected with described LoRa communication module, described remote communication module and described main control module, for institute
State LoRa communication module, described remote communication module and described main control module to power.
Preferably, also include Local Communication Module, be connected with described data acquisition node and described main control module, be used for
Carry out wire communication with described data acquisition node, receive described related data that described data acquisition node collects and by institute
State related data and be sent to described main control module；
Described Local Communication Module includes RS485 wireline interface and/or RS232 wireline interface.
Preferably, described remote communication module includes:
Ethernet communication module, for receiving the described related data that described main control module sends, and sends out described related data
Give the described relevant device of described Internet of Things Internet；
Wireless communication module, for receiving the described related data that described main control module sends, and sends described related data
Described relevant device to described Internet of Things Internet；
Described wireless communication module uses gsm communication mode and/or GPRS communication mode.
Preferably, also include locating module, be connected with described main control module and described power module, be used for receiving association
In the location data of described gateway and send described location data to described server.
Preferably, also include memory module, be connected with described main control module and described power module, be used for storing described
The data produced when gateway runs.
Preferably, also include clock module, be connected with described main control module and described power module, for described gateway
Timing and clocking capability are provided.
Preferably, also include: also include state indicator module, be connected with described main control module and described power module, use
In the duty of described gateway is indicated.
Preferably, described locating module obtains described location data based on global positioning system.
Preferably, described state indicator module includes that at least one is connected with described main control module and described power module
Display lamp.
The beneficial effect of technique scheme:
In the technical program, use LoRa wireless communication technology, utilize and exempt from licensed band, it is achieved free, radio communication, LoRa
Wireless Network can make up star-shaped network structure, has installation procedure simple, without wiring, networking flexibility, communication in advance
Distance remote (maximum up to more than 10km), capacity of resisting disturbance be strong, etc. advantage, the two-way biography of data transparency of many equipment rooms can be realized
Defeated, it is highly suitable to be applied for wireless industrial telemetry communication, wireless sensor data collection, Smart Home, Internet of Things, wireless photograph
The field such as bright, intelligent grid, wireless automatic meter recording system, wireless intelligent traffic, wireless mapping instrument data acquisition.
Accompanying drawing explanation
Fig. 1 is in one preferred embodiment of the present invention, the functional schematic of gateway based on long distance wireless technology；
Fig. 2 is in one preferred embodiment of the present invention, the functional schematic of remote communication module；
Fig. 3 is in one preferred embodiment of the present invention, one of structural representation of gateway based on long distance wireless technology；
Fig. 4 is in one preferred embodiment of the present invention, the two of the structural representation of gateway based on long distance wireless technology.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of not making creative work all its
His embodiment, broadly falls into the scope of protection of the invention.
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Combination mutually.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, but not as limiting to the invention.
As it is shown in figure 1, at least one of a kind of gateway based on long distance wireless technology, above-mentioned gateway and thing network sensing layer
Data acquisition node (node) communicates to connect, for the related data that each above-mentioned data acquisition node collects is sent to thing
The relevant device of intranet network layer, it is characterised in that above-mentioned gateway includes:
LoRa communication module 1, is connected with each above-mentioned data acquisition node, for by LoRa wireless technology and each above-mentioned number
Carry out LoRa radio communication according to acquisition node, receive and export the above-mentioned dependency number that each above-mentioned data acquisition node collects
According to；
Remote communication module 2, is connected with above-mentioned LoRa communication module 1, for receiving the above-mentioned of above-mentioned LoRa communication module 1 transmission
Related data, and above-mentioned related data is sent to the relevant device of above-mentioned Internet of Things Internet；
Main control module 3, described LoRa communication module 1 is connected with described remote communication module 2 by described main control module 3, is used for
Described LoRa communication module 1 and described remote communication module 2 are controlled；
Power module 4, is connected with above-mentioned LoRa communication module 1, above-mentioned remote communication module 2 and above-mentioned main control module 3, is used for
Power to above-mentioned LoRa communication module 1, above-mentioned remote communication module 2 and above-mentioned main control module 3.
In in this enforcement, star network model is divided into gateway unit and data acquisition node unit two parts, wherein counts
Gathered the data of data acquisition node according to acquisition node by the general out excuse such as RS232 and/or 485 serial ports, be then based on
The data collected are transferred to gateway unit by LoRa communication standard；Gateway unit is then responsible for gathering multiple data acquisitions joint
The data that point transmits, and relevant to Internet by the path such as RS232 and/or 485 serial ports, Ethernet or GPRS
Equipment communicates.The most i.e. can reach the purpose realizing wireless collection data based on LoRa communication standard.In the technical program
Gateway is above-mentioned gateway unit, and in the network architecture of the gateway in the technical program supports the same space, multiple networks are deposited simultaneously
Situation, user can be by arranging network number configuration gateway and data acquisition node, so that reach will not between network in same frequency range
The purpose interfered.It addition, by arranging different netkeys, it is ensured that the relative safety of each network data.
Owing to LoRa Wireless Network can make up star-shaped network structure, there is networking flexibility, communication distance far (maximum up to 10km
Above), the advantage such as capacity of resisting disturbance is strong, the data transparency transmitted in both directions of many equipment rooms can be realized, be highly suitable to be applied for industry
Radio fest and control communication, wireless sensor data collection, Smart Home, Internet of Things, wireless lighting, intelligent grid, wireless automatically copy
The fields such as table system, wireless intelligent traffic, wireless mapping instrument data acquisition.During use, 433MHz is utilized to exempt from licensed band, real
The most free, wireless, low-power consumption, telecommunication, effectively reduce communications cost.
Concrete, in same star network, to make energy normal communication between gateway and data acquisition node, it is necessary to
Meet following condition: NETID(network ID) must be identical；Pattern arranges (AT+MODE) must be identical；Encryption key must phase
With.
Further, the LoRa radio frequency of gateway can be divided into two kinds of mode of operations, configuration mode and communication transparent transmission mode.Join
Put pattern: by web page interrogation and this product parameters of configuration.Communication transparent transmission mode: the communication serial ports of data acquisition node is entirely
Transparent transmission, the communication serial data frame of gateway need to meet user data interface agreement.
Further, remote communication module 2 supports three kinds of different distance, different rates configuration mode；Support super remote communication
Distance, actual measurement is maximum up to more than 10km；Having superpower sensitivity, received signal strength is minimum up to-148dBm；Support star
L network structure, 254 nodes of maximum support in single network；Support heart beating affirmation mechanism, node module can be detected in time
Health status；Support the simultaneous situation of multiple network, and do not produce interference；Support to confirm character
(Acknowledgement, ACK) confirm, packet loss retransmission mechanism, it is ensured that data reliability (networking internal mechanism, user without
Adjust).
Further, LoRa communication module 1 has heartbeat mechanism.In order to prevent between data acquisition node and gateway long time
Between without valid data transmit, LoRa communication module 1 imports heartbeat mechanism especially, to guarantee that node will not cause because of long-time lost contact
Cause server or the control centre cannot decision node whether fault, it is to avoid because generation abnormal conditions cannot be fed back in time.This machine
System is embodied in: data acquisition node can enter after powering on five seconds transparent transmission mode send a heart beating to gateway, the most often
Heart beating can be again sent every 300 ± 30 seconds.
Further, LoRa communication module 1 has link query function.Because LoRa star network has been wirelessly transferred low
The characteristic of power consumption long-distance, the effective propagation path between gateway and data acquisition node is to ensure that the pass being wirelessly transferred stability
Key.To this end, LoRa communication module 1 adds link query function in the firmware version of gateway, user can pass through this function
The received signal strength indicator (Received Signal Strength Indication, RSSI) of query node and signal to noise ratio
(SIGNAL-NOISE RATIO, SNR).
Further, gateway power-up initializing, bring into operation UC/OS-II system, i.e. gateway multitask system；Data
After acquisition node sends heart beating frame, gateway starts to gather the essential information of terminal unit corresponding to this data acquisition node, as solid
Part version number, software version number, vendor code etc., and these information are saved in intra-gateway storage, now this data acquisition
Collection node formally access network；Every 15min, gateway can be called survey terminal together to the data acquisition node connecting into network and be set
The standby master data needing to report, if it is unsuccessful to call survey together, then can carry out 2 benefits and call action together.If benefit is called together unsuccessful, missing information
Part protocol failure code 0xFF also stores；Every 15min, gateway can report main website by calling the data measured together, if each joint
The data of point have renewal to report again, if i.e. some node data does not updates, the most only report the data of the node of renewal, gateway
Not active reporting data, needing main website to say the word just can report；Gateway has self-checking function, and discovering device is abnormal logout
And alarm.The most above-mentioned, the technical program provides one, and installation procedure is simple, mobility good, low cost, communication distance
Far, low in energy consumption, capacity of resisting disturbance good, has the gateway based on long distance wireless technology applied widely of positioning function.
In preferred embodiment of the present invention, also include Local Communication Module 5, be connected with above-mentioned data acquisition node, be used for
Carrying out wire communication with above-mentioned data acquisition node and above-mentioned main control module, receive that above-mentioned data acquisition node collects is upper
State related data and above-mentioned related data is sent to above-mentioned main control module.Above-mentioned Local Communication Module 5 includes that RS485 is wired and connects
Mouth and/or RS232 wireline interface.
In the present embodiment, data interface module 5 supports serial ports transparent transmission, uses RS485 or RS232 interface, maximum ripple
Special rate is 115200bps.Owing to the gateway of the present invention is the communication standard of independent research on LoRa platform, basic stellate reticulum
Network model is divided into gateway and data acquisition node two parts, and its interior joint passes through RS232 or RS485 serial acquisition sensor
Then the data collected are transferred to gateway by LoRa communication standard by the data of equipment；It is many that gateway is then responsible for collection
The data that individual data acquisition node transmits, and by paths such as RS232 or RS485 serial ports, Ethernet or GPRS
With server communication.The most i.e. can reach the purpose using LoRa communication standard to reach wireless collection data.
In preferred embodiment of the present invention, above-mentioned remote communication module 2 includes:
Ethernet communication module 21, for receiving the above-mentioned related data that above-mentioned main control module sends, and by above-mentioned related data
It is sent to the relevant device of above-mentioned Internet of Things Internet；
Wireless communication module 22, for receiving the above-mentioned related data that above-mentioned main control module sends, and sends out above-mentioned related data
Give the relevant device of above-mentioned Internet of Things Internet；
Above-mentioned wireless communication module 22 uses gsm communication mode and/or GPRS communication mode.
In this embodiment, comprise one 10 or 100Mbps Ethernet interface, GPRS communication module, conveniently report in time
Data.
In preferred embodiment of the present invention, also include locating module 8, connect with above-mentioned main control module and above-mentioned power module
Connect, be associated with the location data of above-mentioned gateway for receiving and send above-mentioned location data to above-mentioned server.
In preferred embodiment of the present invention, also include memory module 7, connect with above-mentioned main control module and above-mentioned power module
Connect, for storing the data produced when above-mentioned gateway runs.
In in this enforcement, gateway can store data below automatically by memory module 77: in storing at least 40
Protect the task data of 15 minutes of nearest 15 days；Store nearest 60 programming daily records, including writing terminal parameter and writing survey
Amount point parameter；Store nearest 500 alarm events (residual current transfinites, middle protect tripping operation, middle protect tripping operation locking, gateway stop or
Person powers on event)；Report and alarm event (electric current transfinites, middle protect tripping operation, middle protect tripping operation locking, gateway stops or powers on event).
In preferred embodiment of the present invention, also include clock module 6, connect with above-mentioned main control module and above-mentioned power module
Connect, for providing timing and clocking capability to above-mentioned gateway.
In this embodiment, clock module 6 uses RTC real-time timepiece chip.
In preferred embodiment of the present invention, also include state indicator module 9, with above-mentioned main control module and above-mentioned power module
Connect, for the duty of above-mentioned gateway is indicated.
In preferred embodiment of the present invention, above-mentioned locating module 8 obtains above-mentioned location data based on global positioning system.
In preferred embodiment of the present invention, above-mentioned state indicator module 9 include at least one with above-mentioned main control module and
The display lamp that above-mentioned power module connects.
As shown in Figure 3-4, time specifically used, above-mentioned all modules of gateway are integrated on a circuit board, this circuit board
Being arranged in housing 10, on housing 10, corresponding above-mentioned all modules are provided with interface.Two cross sectional sides of this product have interface.
Definition type index face is front.There are power interface 11, serial ports 12, serial ports mode switch button 13, network interface 14, LED in front
Group 15；Be backed with the first gps antenna SAM joint 16(female, GPS SMA antenna, band support 1575MHz can be met), SIM
Draw-in groove the 17, the 2nd GPRS antenna SMA joint 18(female, can connect GPRS SMA antenna, band support GSM 850 or
900 or 1800 or 1900MHz), RST pin hole button 19, LoRa antenna SMA joint 20(female, LoRa can be met
SMA antenna, supports that 433MHz exempts from licensed band).
The foregoing is only preferred embodiment of the present invention, not thereby limit embodiments of the present invention and protection model
Enclose, to those skilled in the art, it should can appreciate that done by all utilization description of the invention and diagramatic content
Scheme obtained by equivalent and obvious change, all should be included in protection scope of the present invention.
Claims (9)
1. at least one data acquisition node of a gateway based on LoRa wireless technology, described gateway and thing network sensing layer
Communication connection, sets for the related data that each described data acquisition node collects is sent to the relevant of Internet of Things Internet
Standby, it is characterised in that to include:
LoRa communication module, is connected with each described data acquisition node, for by LoRa wireless technology and each described number
Carry out LoRa radio communication according to acquisition node, receive and export the described dependency number that each described data acquisition node collects
According to；
Remote communication module, is connected with described LoRa communication module, for receiving the described phase that described LoRa communication module sends
Close data, and described related data is sent to the relevant device of described Internet of Things Internet；
Main control module, described LoRa communication module is connected with described remote communication module by described main control module, for institute
State LoRa communication module and described remote communication module is controlled；
Power module, is connected with described LoRa communication module, described remote communication module and described main control module, for institute
State LoRa communication module, described remote communication module and described main control module to power.
2. gateway based on LoRa wireless technology as claimed in claim 1, it is characterised in that also include Local Communication Module,
It is connected with described data acquisition node and described main control module, for carrying out wire communication with described data acquisition node, connects
Receive described related data that described data acquisition node collects and described related data is sent to described main control module；
Described Local Communication Module includes RS485 wireline interface and/or RS232 wireline interface.
3. gateway based on LoRa wireless technology as claimed in claim 2, it is characterised in that described remote communication module bag
Include:
Ethernet communication module, for receiving the described related data that described main control module sends, and sends out described related data
Give the described relevant device of described Internet of Things Internet；
Wireless communication module, for receiving the described related data that described main control module sends, and sends described related data
Described relevant device to described Internet of Things Internet；
Described wireless communication module uses gsm communication mode and/or GPRS communication mode.
4. gateway based on LoRa wireless technology as claimed in claim 1, it is characterised in that also include locating module, with institute
State main control module and described power module connects, be associated with the location data of described gateway and by described location number for receiving
According to the relevant device sending described Internet of Things Internet to.
5. state gateway based on long distance wireless technology such as claim 1, it is characterised in that also include memory module, with described
Main control module and described power module connect, for storing the data produced when described gateway runs.
6. gateway based on long distance wireless technology as claimed in claim 1, it is characterised in that also include clock module, with described
Main control module and described power module connect, for providing timing and clocking capability to described gateway.
7. gateway based on long distance wireless technology as claimed in claim 1, it is characterised in that also include state indicator module, with
Described main control module and described power module connect, for indicating the duty of described gateway.
8. gateway based on long distance wireless technology as claimed in claim 4, it is characterised in that described locating module is fixed based on the whole world
Position system obtains described location data.
9. as claimed in claim 7 gateway based on long distance wireless technology, it is characterised in that described state indicator module include to
A few display lamp being connected with described main control module and described power module.
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| CN201610787365.2A CN106209613A (en) | 2016-08-31 | 2016-08-31 | A kind of gateway based on LoRa wireless technology |
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| CN106652410A (en) * | 2016-12-15 | 2017-05-10 | 中国科学院沈阳自动化研究所 | Gateway and method for controlling data acquisition |
| CN106686867A (en) * | 2017-03-01 | 2017-05-17 | 湖南原创智能科技有限公司 | LoRa technology-based intelligent streetlamp management system |
| CN106791258A (en) * | 2017-01-04 | 2017-05-31 | 路晓明 | LoRa image acquisition transmission systems |
| CN106789259A (en) * | 2016-12-26 | 2017-05-31 | 中国科学院信息工程研究所 | A kind of LoRa core network systems and implementation method |
| CN107027162A (en) * | 2017-06-06 | 2017-08-08 | 福建强闽信息科技有限公司 | A kind of LoRa intelligent gateways and its application method, Internet of things system |
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| CN107566521A (en) * | 2017-09-28 | 2018-01-09 | 河南汇纳科技有限公司 | A kind of intelligent power distribution room environmental monitoring wireless sensing system based on LoRa |
| CN107590987A (en) * | 2017-10-23 | 2018-01-16 | 天津云拓网络科技有限公司 | A kind of long-distance meter-reading system based on low-power consumption Internet of Things |
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