CN206331578U - A kind of low-power consumption remote gauged rainfall system based on Technology of Wireless Spread Spectrum - Google Patents
A kind of low-power consumption remote gauged rainfall system based on Technology of Wireless Spread Spectrum Download PDFInfo
- Publication number
- CN206331578U CN206331578U CN201720003720.2U CN201720003720U CN206331578U CN 206331578 U CN206331578 U CN 206331578U CN 201720003720 U CN201720003720 U CN 201720003720U CN 206331578 U CN206331578 U CN 206331578U
- Authority
- CN
- China
- Prior art keywords
- lora
- power consumption
- low
- spread spectrum
- technology
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/10—Information and communication technologies [ICT] supporting adaptation to climate change, e.g. for weather forecasting or climate simulation
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The utility model belongs to wireless low-power consumption wide area network（LoRa a kind of) communication data collecting device technical field, and in particular to low-power consumption spread spectrum technic applied in rain collection；Concrete technical scheme is：A kind of low-power consumption remote gauged rainfall system based on Technology of Wireless Spread Spectrum, LoRa gateways are made up of embedded micro computer and LoRa radio frequency receivers, LoRa radio frequency receivers carry out wireless signal with multiple LoRa nodes and are connected, embedded micro computer is connected by transmission equipment with the signal input part of the Internet module, the signal input part of the main controller of LoRa nodes respectively with rain sensor, temperature/humidity sensor is connected, the signal output part of main controller is connected with the signal input part of LoRa radio-frequency modules, the signal output part of LoRa radio-frequency modules carries out wireless signal with LoRa radio frequency receivers and is connected, rain collection device is used to count and send the data to LoRa gateways.
Description
Technical field
The utility model belongs to data acquisition equipment technical field, and in particular to a kind of low work(applied in rain collection
Spread spectrum technic is consumed, radio communication is realized.
Background technology
With developing rapidly for Internet of Things and wireless communication technology, people are inseparable with information network, channel radio
Letter plays more and more important role in the life of people.Low-power consumption, miniaturization are users to Current wireless communication product
The especially strong request of portable product.The low-power consumption of inexpensive, relatively other wireless communication technologys of short-distance wireless communication,
And its peer-to-peer communications feature etc. has adapted to the demand of convenient information transmission that develops rapidly.In technology, cost, reliability and can be real
Under considering with each side such as property, low-power consumption long-distance radio communication technology becomes the heat of current communications field research
Point.
At present, rain collection terminal on the market is mainly based upon RTU technologies, is gathered by GPRS, 3G, 4G network transmission
The data arrived, each acquisition terminal cost is high, in addition, need to pay the flow usage charges of communication common carrier great number in operation,
Communication data is limited by Operator interface, can only follow the standard of operator to transmit by great limitation.Data
Transmission delay is than larger, due to the limitation of RTU servers, and per data, transmission needs certain time interval, does not reach reality
The requirement of when property data transfer.
Each terminal needs to configure powerful solar electric power supply system, and maintenance cost is very high, and service life is low, every 2
It is accomplished by year changing battery.
It is very limited that the rain collection terminal of high cost causes each regional rain collection device to be disposed, and sparse rainfall is adopted
Collect data deficiencies to provide accurate and effective data analysis capabilities to flood-control and drought relief, cause very big tired to National Flood Control drought relief work
It is difficult.In recent years, most area Rainfall Disaster was very frequent, in the urgent need to disposing a set of effectively inexpensive telemetry terminal system.
Utility model content
To solve high cost, the technical problem of poor reliability that prior art is present, the utility model provides a kind of base
In the remote gauged rainfall system of Technology of Wireless Spread Spectrum, using LORA spread spectrum technics, terminal data is realized to the collection in high in the clouds, into
This is low, and energy consumption is small, and reliability is high, and long service life can adapt to demand of the existing market to remote rain amount.
To achieve the above object, the technical scheme that the utility model is used for：It is a kind of based on the low of Technology of Wireless Spread Spectrum
Power consumption remote gauged rainfall system, including LoRa gateways, LoRa gateways are made up of embedded micro computer and LoRa radio frequency receivers, embedding
Enter and be connected between formula microcomputer and LoRa radio frequency receivers by Serial Peripheral Interface (SPI), LoRa radio frequency receivers and nodal terminal
Wireless signal connection is carried out, embedded micro computer is connected by transmission equipment with the signal input part of the Internet module.
Nodal terminal is made up of multiple LoRa nodes, and LoRa nodes include main controller, and the signal input part of main controller is distinguished
It is connected with rain sensor, temperature/humidity sensor, the signal output part of main controller passes through Serial Peripheral Interface (SPI) and LoRa radio frequencies
The signal input part of module is connected, and signal output part and the LoRa radio frequency receivers of LoRa radio-frequency modules carry out wireless signal company
Connect.Rain collection device is a tipper counter principle, and a pulse can be produced by often turning over a pipeful of rain, right by MCU DI mouths
Tipping bucket number of times is counted, and is then sent to LoRa gateways.Each nodal terminal has a unique ID code to identify, server
The logical installation site of rainfall is recognized by ID codes.
There is digital filter in LoRa nodes, the data to collection are analyzed, remove the noisy data of clutter, it is ensured that number
According to accuracy.
LoRa intra-nodes are integrated with 8Mbyte flash storage, and gathered data can be recorded.Can be to LoRa
Node operational factor does log recording.
LoRa gateways and LoRa nodes use Lora spread spectrum technics, and the technology has low-power consumption, and long-distance transmissions are special
Point.Multinode communication is better achieved using LoRa WAN agreements, LoRa gateways are integrated with 8 passage wireless receivers, more preferably
Ground ensure that the stability of data receiver.Wireless receiver causes such receiver under 125kHz bandwidth by spread spectrum
Use the sensitivity for being approached -140dBm.Compared with FSK systems, this new spread spectrum mode is improved in sensitivity
30dB, so that same communication distance transmission power will be reduced, so as to realize the communication of low-power consumption long range.
LoRa gateways are integrated with a microprocessor, based on ARM frameworks, embed linux operating systems, integrated LoRaWAN
Agreement, is communicated by SPI interface and radio-frequency module.There are 4 standard USB interfaces, 10/100M Ethernet interfaces, a SMA interfaces to connect
470M antennas, DC5V/2A power supplys are powered, and support that POE 9-36V power
TF cards socket supports standard SD card, and SD card is used for data storage and software systems, and carrying WLAN module can pass through
WiFi accesses internet, and Ethernet access internet can also be connected by RJ45 interfaces and realizes the communication for arriving high in the clouds.
Workflow:Gateway radio-frequency communication module receives the data that LoRa nodes are sent, and error checking and correction is done in internal system
After integrity detection, correct partial data is transmitted to Cloud Server, LoRa gateways concurrently act as what server was sent
Data forwarding is to nodal terminal.
The system is by embedded LoRa gateways, rain collection nodal terminal and cloud platform server group into embedded LoRa
Gateway act as communicating with node, and the collection of data is simultaneously forwarded to internet cloud server, is used from LoRa gateways and high in the clouds
Standard IP network agreement, versatility and reliability can all be ensured.LoRa gateways and LoRa use LoRa spread spectrum technics,
The technology has low-power consumption, long-distance transmissions feature, and multinode communication, LoRa nets has been better achieved using LoRa WAN agreements
Pass is integrated with 8 passage wireless receivers, better assures that the stability of data receiver.Wireless receiver is made by spread spectrum
Such receiver is obtained under 125KHz broadband using the sensitivity for being approached -140dBm.It is this new compared with FSK systems
Spread spectrum mode 30dB is improved in sensitivity, so that same communication distance transmission power will be reduced, so that real
The communication of existing low-power consumption long range.
LoRa nodes make main controller using 32 MCU of STM32L052 low-power consumption, embed LoRaWAN wireless communication protocols, have
Signal collision testing mechanism, adaptation rate has superpower anti-interference mechanism in face of complex environment.Ack signal confirmation has been carried,
Effective guarantee communication reliability requirement.Transmission power adjust automatically, effectively realizes the requirement of low power loss communication, built-in super
Strong dormancy mechanism, sleep current can be as little as 10uA grades.
Cloud server is the central database of data summarization, and the system realizes data storage, nodal terminal equipment control,
Remote equipment maintenance upgrade, big data analysis, according to the intelligent calibration data of historical data, self-built privately owned cloud system ensures data
Privacy.
Wherein, as a kind of preferred signal transmission form, transmission equipment is wireless aps.
Wherein, as another preferred signal transmission form, transmission equipment is router.
Nodal terminal is powered by phosphoric acid iron cell, and 1 batteries 3000mAh phosphoric acid iron cells are available for nodal terminal to use 5-
10 years.
Energy-saving module is provided with nodal terminal, nodal terminal devises 4-20mA electric current loop acquisition modules, for gathering electricity
Flow the sensor of signal output.IEA-RS485 communication interfaces are integrated with, modbus agreements are supported.It has also been devised digital quantity signal
DI, DO.Collection for doing Boolean value output sensor.The requirement that the design of node meets most of sensor interface has accomplished general
Property, it need not change nodal terminal when upgrading sensor or application mode change.
LoRa radio-frequency modules pass through 169MHz-1024MHz（It is customizable）Radio-frequency antenna is communicated with router.
Wherein, as preferred, LoRa radio-frequency modules are led to by 470MHz radio-frequency antennas and LoRa radio frequency receivers
News.
The system has the beneficial effect that：
First, it is inexpensive：The system utilizes LoRa spread spectrum technics, realizes terminal data to the collection in high in the clouds, node
Terminal is by LoRa gateway accessings internet, and each LoRa gateways can access up to 5000 LoRa nodes, it is only necessary to one
Linking Internet passage, has largely saved the cost of terminal collector.
2nd, telecommunication：LoRa gateways and nodal terminal are farthest up to 3-10 kilometers using spread spectrum radio communication technology
Communication away from stelliform connection topology configuration being used between nodal terminal and LoRa gateways, while LoRa nodes can be in obstructed LoRa
Seamless roam communicates between gateway, is delayed using this communication pattern small, preferably improves the requirement of system real-time communication.
3rd, low-power consumption：Nodal terminal uses low power dissipation design, is powered using the phosphoric acid iron cell of single-unit 18650.One section
2300MA batteries can use 5-10, with traditional solar energy system power acquisition terminal compare it is more inexpensive.
Brief description of the drawings
Fig. 1 is Principle of Signal Transmission figure of the present utility model.
Fig. 2 is nodal terminal schematic diagram.
In figure, 1 is LoRa gateways, and 2 be embedded micro computer, and 3 be LoRa radio frequency receivers, and 4 be nodal terminal, and 5 are
The Internet module, 6 be LoRa nodes, and 61 be main controller, and 62 be rain sensor, and 63 be temperature/humidity sensor, and 64 be LoRa
Radio-frequency module, 65 be wireless aps, and 66 be router, and 67 be radio-frequency antenna.
Embodiment
In order that technical problem to be solved in the utility model, technical scheme and beneficial effect are more clearly understood, with
Lower combination drawings and Examples, the utility model is further elaborated.It should be appreciated that specific reality described herein
Example is applied only to explain the utility model, is not used to limit the utility model.
As depicted in figs. 1 and 2, a kind of low-power consumption remote gauged rainfall system based on Technology of Wireless Spread Spectrum, including LoRa gateways
1, LoRa gateway 1 is made up of embedded micro computer 2 and LoRa radio frequency receivers 3, and embedded micro computer 2 and LoRa radio frequencies connect
It is connected between receipts device 3 by Serial Peripheral Interface (SPI), LoRa radio frequency receivers 3 carry out wireless signal with nodal terminal 4 and are connected, embedded
Formula microcomputer 2 is connected by transmission equipment with the signal input part of the Internet module 5.
Nodal terminal 4 is made up of multiple LoRa nodes 6, and LoRa nodes 6 include main controller 61, and the signal of main controller 61 is inputted
End is connected with rain sensor 62, temperature/humidity sensor 63 respectively, and the signal output part of main controller 61 is connect by serial peripheral
Mouth is connected with the signal input part of LoRa radio-frequency modules 64, signal output part and the LoRa radio frequency receivers of LoRa radio-frequency modules 64
3 carry out wireless signal connection.Rain collection device is a tipper counter principle, and a pulse can be produced by often turning over a pipeful of rain,
Tipping bucket number of times is counted by MCU DI mouths, LoRa gateways 1 are then sent to.Each nodal terminal 4 has one uniquely
ID codes are identified, and server recognizes the logical installation site of rainfall by ID codes.
There is digital filter in LoRa nodes 6, the data to collection are analyzed, remove the noisy data of clutter.Ensure
The accuracy of data.
8Mbyte flash storage has been internally integrated, gathered data can have been recorded.LoRa nodes 6 can be transported
Row parameter does log recording.
LoRa gateways 1 and LoRa nodes 6 use Lora spread spectrum technics, and the technology has low-power consumption, long-distance transmissions
Feature.Multinode communication is preferably realized using LoRa WAN agreements, LoRa gateways 1 are integrated with 8 passage wireless receivers,
It preferably ensure that the stability of data receiver.Wireless receiver causes such receiver in 125kHz band by spread spectrum
Width is lower to use the sensitivity for being approached -140dBm.Compared with FSK systems, this new spread spectrum mode improves in sensitivity
30dB, so that same communication distance transmission power will be reduced, so as to realize the communication of low-power consumption long range.
LoRa gateways 1 are integrated with a microprocessor, based on ARM frameworks, embed linux operating systems, integrated LoRaWAN
Agreement, is communicated by SPI interface and radio-frequency module.There are 4 standard USB interfaces, 10/100M Ethernet interfaces, a SMA interfaces to connect
470M antennas, DC5V/2A power supplys are powered, and support that POE 9-36V power
SD card is used for data storage and software systems, and internet can be accessed by WiFi by carrying WLAN module, can also
The realization of Ethernet access internet is connected to the communication in high in the clouds by RJ45 interfaces.
Gateway radio-frequency communication module receives the data that LoRa nodes 6 are sent, and error checking and correction and integrality are done in internal system
After detection, correct partial data is transmitted to Cloud Server.Gateway concurrently acts as data forwarding that server sends to section
Point terminal 4.
The system is by embedded LoRa gateways 1, rain collection nodal terminal 4 and cloud platform server group into embedded
LoRa gateways 1 act as communicating with node, and the collection of data is simultaneously forwarded to internet cloud server, from LoRa gateways 1 and cloud
End uses standard IP network agreement, and versatility and reliability can all be ensured.LoRa gateways 1 and LoRa and Ei are mono- uses LoRa
Spread spectrum technic, the technology has low-power consumption, long-distance transmissions feature, and more piece has been better achieved using LoRa WAN agreements
Point communication, LoRa gateways 1 are integrated with 8 passage wireless receivers, better assure that the stability of data receiver.Wireless receiver
By spread spectrum so that such receiver uses the sensitivity for being approached -140dBm under 125KHz broadband.With FSK systems
System is compared, and this new spread spectrum mode improves 30dB in sensitivity, so that same communication distance transmission power is just
It can reduce, so as to realize the communication of low-power consumption long range.
LoRa nodes 6 make main controller 61 using 32 MCU of STM32L052 low-power consumption, embed LoRaWAN radio communications association
View, has signal collision testing mechanism, adaptation rate has superpower anti-interference mechanism in face of complex environment.Ack signal is carried
Confirm, effective guarantee communication reliability requirement.Transmission power adjust automatically, effectively realizes the requirement of low power loss communication.
Built-in superpower dormancy mechanism, sleep current can be as little as 10uA grades.
Cloud server is the central database of data summarization, and the system realizes data storage, the equipment pipe of nodal terminal 4
Reason, remote equipment maintenance upgrade, big data analysis, according to the intelligent calibration data of historical data.Self-built privately owned cloud system, ensures number
According to privacy.
Wherein, as a kind of preferred signal transmission form, transmission equipment is wireless aps 65.
Wherein, as another preferred signal transmission form, transmission equipment is router 66.
Nodal terminal 4 is powered by phosphoric acid iron cell, and 1 batteries 3000mAh phosphoric acid iron cells are available for LoRa nodes 6 to use
5-10.
Energy-saving module is provided with nodal terminal 4, nodal terminal 4 devises sensor input signal acquisition module, for adopting
The sensor of colleeting comb signal output.IEA-RS485 communication interfaces are integrated with, modbus agreements are supported.It has also been devised digital quantity
Signal DI, DO.Collection for doing Boolean value output sensor.The requirement that the design of node meets most of sensor interface is accomplished
Nodal terminal 4 need not be changed when versatility, upgrading sensor or application mode change.
LoRa radio-frequency modules pass through 169MHz-1024MHz（It is customizable）Radio-frequency antenna is communicated with router.
Wherein, as preferred, LoRa radio-frequency modules 64 are entered by 470MHz radio-frequency antennas 67 and LoRa radio frequency receivers 3
Row communication.
The characteristics of long range low-power consumption is the system, embodiment is that cost is reduced on a large scale in actual applications.So that rain
Amount adopts denseness of set raising, effectively provides firsthand data data for able to resisting flood and drought, drought resisting flood proofing decision has been risen heavy to closing
The effect wanted.
This system utilizes LoRa spread spectrum technics, realizes terminal data to the collection in high in the clouds.Nodal terminal 4 passes through
LoRa gateways 1 access internet, and each LoRa gateways 1 can access up to 5000 LoRa nodes 6, it is only necessary to an internet
Access passage.The cost of terminal collector is significantly saved.In terms of annual 120 yuan of a RTU terminal communication service charge
Calculate, the flow monthly rental that 5000 LoRa nodes 6 are produced every year reaches ten thousand yuan of 5000*120=60, and is taken using this system operation
With the expense of common a 4m adsl lines or intelligent acess is only needed, this expense is about in annual 600-2000 members.With Li Ke
Premier Qiang raises speed to broadband operation drops the deployment taken, and this expense is also in reduction.
LoRa gateways 1 and nodal terminal 4 using the farthest communication up to 3-10 kilometers of spread spectrum radio communication technology away from.Node
Use stelliform connection topology configuration between terminal 4 and LoRa gateways 1, at the same LoRa nodes 6 can between different LoRa gateways 1 nothing
Stitch roaming communication.It is delayed using this communication pattern small, preferably improves the requirement of system real-time communication.
Nodal terminal 4 uses low power dissipation design, is powered using the phosphoric acid iron cell of single-unit 18650.One section 2300MA batteries can
With use 5-10, with tradition solar energy system power acquisition terminal compare it is more inexpensive, than existing wireless communication technology
Lower power consumption several times.
Preferred embodiment of the present utility model is the foregoing is only, it is all at this not to limit the utility model
Any modification, equivalent and improvement made within the spirit and principle of utility model etc., all should be wrapped in the utility model model
In enclosing.
Claims (7)
1. a kind of low-power consumption remote gauged rainfall system based on Technology of Wireless Spread Spectrum, it is characterised in that including LoRa gateways（1）, institute
State LoRa gateways（1）By embedded micro computer（2）With LoRa radio frequency receivers（3）Composition, embedded micro computer（2）With
LoRa radio frequency receivers（3）Between by Serial Peripheral Interface (SPI) be connected, LoRa radio frequency receivers（3）With nodal terminal（4）Carry out
Wireless signal is connected, embedded micro computer（2）Pass through transmission equipment and the Internet module（5）Signal input part be connected；
The nodal terminal（4）By multiple LoRa nodes（6）Composition；
LoRa nodes（6）Including main controller（61）, main controller（61）Signal input part respectively with rain sensor（62）, temperature
Degree/humidity sensor（63）It is connected, main controller（61）Signal output part pass through Serial Peripheral Interface (SPI) and LoRa radio-frequency modules
（64）Signal input part be connected, LoRa radio-frequency modules（64）Signal output part and LoRa radio frequency receivers（3）Carry out wireless
Signal is connected.
2. a kind of low-power consumption remote gauged rainfall system based on Technology of Wireless Spread Spectrum according to claim 1, it is characterised in that
The transmission equipment is wireless aps（65）.
3. a kind of low-power consumption remote gauged rainfall system based on Technology of Wireless Spread Spectrum according to claim 2, it is characterised in that
The transmission equipment is router（66）.
4. a kind of low-power consumption remote gauged rainfall system based on Technology of Wireless Spread Spectrum according to claim 3, it is characterised in that
The nodal terminal（4）Powered by phosphoric acid iron cell.
5. a kind of low-power consumption remote gauged rainfall system based on Technology of Wireless Spread Spectrum according to claim 4, it is characterised in that
The nodal terminal（4）It is interior to be provided with energy-saving module.
6. a kind of low-power consumption remote gauged rainfall system based on Technology of Wireless Spread Spectrum according to claim 5, it is characterised in that
The LoRa radio-frequency modules（64）Pass through 169MHz-1024MHz radio-frequency antennas（67）With LoRa radio frequency receivers（3）Led to
News.
7. a kind of low-power consumption remote gauged rainfall system based on Technology of Wireless Spread Spectrum according to claim 6, it is characterised in that
The LoRa radio-frequency modules（64）Pass through 470MHz radio-frequency antennas（67）With LoRa radio frequency receivers（3）Communicated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720003720.2U CN206331578U (en) | 2017-01-04 | 2017-01-04 | A kind of low-power consumption remote gauged rainfall system based on Technology of Wireless Spread Spectrum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720003720.2U CN206331578U (en) | 2017-01-04 | 2017-01-04 | A kind of low-power consumption remote gauged rainfall system based on Technology of Wireless Spread Spectrum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206331578U true CN206331578U (en) | 2017-07-14 |
Family
ID=59294743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720003720.2U Expired - Fee Related CN206331578U (en) | 2017-01-04 | 2017-01-04 | A kind of low-power consumption remote gauged rainfall system based on Technology of Wireless Spread Spectrum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206331578U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108107486A (en) * | 2018-01-16 | 2018-06-01 | 昆明理工大学 | A kind of vehicular traffic weather circuit breaker for real-time monitoring device based on LoRa |
| CN108156672A (en) * | 2017-08-25 | 2018-06-12 | 广州莲雾科技有限公司 | A kind of bus duct temperature acquisition gateway based on NB-IoT and LoRa |
| CN108662995A (en) * | 2018-04-20 | 2018-10-16 | 河南理工大学 | A kind of snow depth variation Real-time Monitoring Data transmitting device |
| CN109257236A (en) * | 2018-11-14 | 2019-01-22 | 苏州苏信环境科技有限公司 | A kind of cleanliness real-time online monitoring system based on LoRa technology |
| CN109597340A (en) * | 2018-12-17 | 2019-04-09 | 珠海市研泰电子科技有限公司 | A kind of portable low power-consumption data collection and transfering system |
| CN109787683A (en) * | 2019-01-29 | 2019-05-21 | 中富通集团股份有限公司 | A kind of wireless looped network emergency power supply photoelectric conversion device |
| CN110247676A (en) * | 2019-07-17 | 2019-09-17 | 杭州罗万信息科技有限公司 | Termite detects terminal and wireless communication arrangement and method using the terminal |
| CN110610604A (en) * | 2019-10-21 | 2019-12-24 | 贵州电网有限责任公司 | Smart power grids gateway based on LoRaWAN |
| CN111031504A (en) * | 2019-12-06 | 2020-04-17 | 深圳大学 | LoRa node equipment based on edge calculation |
| WO2020192367A1 (en) * | 2019-03-28 | 2020-10-01 | 厦门龙辉芯物联网科技有限公司 | Advection fog forecasting system and forecasting method |
-
2017
- 2017-01-04 CN CN201720003720.2U patent/CN206331578U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108156672A (en) * | 2017-08-25 | 2018-06-12 | 广州莲雾科技有限公司 | A kind of bus duct temperature acquisition gateway based on NB-IoT and LoRa |
| CN108107486A (en) * | 2018-01-16 | 2018-06-01 | 昆明理工大学 | A kind of vehicular traffic weather circuit breaker for real-time monitoring device based on LoRa |
| CN108662995A (en) * | 2018-04-20 | 2018-10-16 | 河南理工大学 | A kind of snow depth variation Real-time Monitoring Data transmitting device |
| CN109257236A (en) * | 2018-11-14 | 2019-01-22 | 苏州苏信环境科技有限公司 | A kind of cleanliness real-time online monitoring system based on LoRa technology |
| CN109597340A (en) * | 2018-12-17 | 2019-04-09 | 珠海市研泰电子科技有限公司 | A kind of portable low power-consumption data collection and transfering system |
| CN109787683A (en) * | 2019-01-29 | 2019-05-21 | 中富通集团股份有限公司 | A kind of wireless looped network emergency power supply photoelectric conversion device |
| CN109787683B (en) * | 2019-01-29 | 2021-06-08 | 中富通集团股份有限公司 | Wireless looped network emergency power supply photoelectric conversion equipment |
| WO2020192367A1 (en) * | 2019-03-28 | 2020-10-01 | 厦门龙辉芯物联网科技有限公司 | Advection fog forecasting system and forecasting method |
| CN110247676A (en) * | 2019-07-17 | 2019-09-17 | 杭州罗万信息科技有限公司 | Termite detects terminal and wireless communication arrangement and method using the terminal |
| CN110610604A (en) * | 2019-10-21 | 2019-12-24 | 贵州电网有限责任公司 | Smart power grids gateway based on LoRaWAN |
| CN111031504A (en) * | 2019-12-06 | 2020-04-17 | 深圳大学 | LoRa node equipment based on edge calculation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206331578U (en) | A kind of low-power consumption remote gauged rainfall system based on Technology of Wireless Spread Spectrum | |
| CN206331577U (en) | A kind of super low-power consumption remote measurement water level collection system based on LoRa technologies | |
| CN206332860U (en) | LoRa gateways | |
| CN201707782U (en) | Intelligent meter reading system based on GPRS (General Packet Radio Service) | |
| CN203573481U (en) | ZigBee technology-based wireless meter reading system | |
| CN206302423U (en) | A kind of remote measurement flow velocity acquisition system based on LoRa technologies | |
| CN102883340B (en) | Remote transfer transmission system suitable for network-free areas and transmission method thereof | |
| CN102194304A (en) | Method and system for wireless concentrated collection and management of energy measurement data | |
| CN102194309A (en) | Low-voltage power line broadband carrier concentrator | |
| CN101894448A (en) | Remote centralized meter-reading system | |
| CN208401842U (en) | A kind of 230MHz LoRa built-in module meeting southern network mark standard | |
| CN105469582A (en) | Tunnel pressure wave collection system and data collection method thereof | |
| CN204990657U (en) | Remote meter reading system | |
| CN101789166A (en) | Method and system thereof for improving remote meter reading efficiency of small hydropower station | |
| CN107146397A (en) | It is a kind of to be used for water meter, ammeter, gas meter, the arrowband Internet of Things centralized procurement system of hotlist | |
| CN207251930U (en) | The simple gateways of LoRa | |
| CN206331579U (en) | LoRa universal nodes | |
| CN106791258A (en) | LoRa image acquisition transmission systems | |
| CN207339913U (en) | A kind of things-internet gateway and the system using the things-internet gateway | |
| CN206302424U (en) | A kind of remote measurement flow collection system based on LoRa technologies | |
| CN210352517U (en) | Intelligent irrigation system based on LoRa | |
| CN205785304U (en) | A kind of soil moisture content equipment Acquisition Instrument terminal and system | |
| CN207249897U (en) | Online low power consumption wireless pressure sensor | |
| CN101145274A (en) | Multifunctional meter communication module | |
| CN202309775U (en) | Noise data acquiring and transmitting system for airports |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200520 Address after: No.319, building 1, No.8, Hangfeng Road, Fengtai District, Beijing 100070 Patentee after: Beijing Sanfan Intelligent Technology Co.,Ltd. Address before: 030000, No. 2, building 9, Yuanyang house, No. 28, Kaesong street, Wan Berlin District, Shanxi, Taiyuan Patentee before: Lu Yongming |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170714 Termination date: 20220104 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |