CN107318154A - Low power consumption method based on Lora communicators - Google Patents
Low power consumption method based on Lora communicators Download PDFInfo
- Publication number
- CN107318154A CN107318154A CN201710517776.4A CN201710517776A CN107318154A CN 107318154 A CN107318154 A CN 107318154A CN 201710517776 A CN201710517776 A CN 201710517776A CN 107318154 A CN107318154 A CN 107318154A
- Authority
- CN
- China
- Prior art keywords
- lora
- mode
- chip microcomputer
- modules
- communicators
- 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.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J2207/20—Charging or discharging characterised by the power electronics converter
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Power Engineering (AREA)
- Mobile Radio Communication Systems (AREA)
- Transceivers (AREA)
- Microcomputers (AREA)
Abstract
Present invention is disclosed a kind of low power consumption method based on Lora communicators, Lora modules are provided with wireless serial module, for controlling the single-chip microcomputer of Lora communicator mode of operations to pass through I/O ports output services mode control signal to wireless serial module；The present invention passes through single-chip microcomputer and the design reduction Lora and the power consumption of application system of high-efficiency power circuit, reach and can for a long time be powered to the whole application system using Lora technologies using button cell, utility grid electric energy is so saved, reduce the load of utility grid, each system can save 50 degree of electric energy every year, elimination system connects the wiring mounting cost of civil power simultaneously, also makes hardware composing simple, saves working hour.
Description
Technical field
The present invention relates to the super low-power consumption technology using single-chip microcomputer and the high-efficiency power circuit realiration Lora communication technologys.
Background technology
With the fast development of technology of Internet of things, wireless communication technology Lora has obtained quick development and application.Lora
Using linear frequency modulation spread spectrum modulation technique, possess good antijamming capability, be widely used in various Internet of Things projects.
In considering for using Lora technologies, a critically important technical requirements are exactly low-power consumption.Although Lora's
In signal modulating method design, modulated using the FSK (frequency shift keying) of low-power consumption, but in real application systems, Lora is held
Continuous holding state and the power consumption of peripheral Acquisition Circuit, allow still very big using Lora whole application system power consumption, make whole
Individual system is had to external AC220V civil powers, and direct current is converted into persistently to Lora and peripheral Acquisition Circuit by power supply adaptor
Power supply, adds the loss of electric energy, also, AC220V civil powers are difficult to be directly accessed, it is necessary to frame again in some application scenarios
If electrical wiring, project cost is added for no reason.
Specifically, existing Lora technologies still have following defect：
Power consumption is big under 1.Lora holding states, and electric energy is wasted for no reason；
2.AC220V alternating currents conversion direct current electrical efficiency is low, and widespread transition efficiency is below 87%, and the electric energy of waste is with warm
The form of amount is distributed；
3. alternating current is directly accessed difficulty, it is necessary to which the circuit that installs electric wiring again, not only increases item in many application scenarios
Mesh cost, also increases item difficulty；
4.Lora and whole application system fully rely on AC220V mains-supplieds, once civil power is powered off, whole system paralysis,
It can not work；
5. the network constituted for multiple Lora, city, which is electrically accessed, is required for the circuit that installs electric wiring so that whole system hardware
Very unsightly.
The content of the invention
The technical problems to be solved by the invention are to realize that a kind of use button cell can be to using the whole of Lora technologies
The method of individual application system power supply for a long time.
To achieve these goals, the technical solution adopted by the present invention is：Based on the low power consumption method of Lora communicators,
Lora modules are provided with wireless serial module, for controlling the single-chip microcomputer of Lora communicator mode of operations to be exported by I/O ports
Operating mode control signals are to wireless serial module；
The mode of operation of the Lora modules includes：
General modfel：Serial ports is opened, wireless to open；
Awakening mode：Serial ports is opened, wireless to open, and packet to be sent is added is in battery saving mode Lora for waking up
The wake-up code of module；
Battery saving mode：Serial ports, which is received, closes, and wirelessly only opens and receives semiotic function, closes transmission signal function；
Battery saving mode is in during Lora module holding states, when there is data transfer, gateway end Lora modules, which are sent, to be waken up
Code, by the Lora data bits under battery saving mode, receives the data that gateway end is sent；
When needing to be sent out data, Lora modules are made to enter general modfel by single-chip microcomputer, pending data is sent
Afterwards, then by single-chip microcomputer Lora modules are made to enter battery saving mode.
The mode of operation of the Lora modules also includes park mode：Parameter setting order can only be received.
The single-chip microcomputer closes system clock when being in standby mode, into park mode state, once there is external signal
Input requirements single-chip microcomputer enters working condition, is waken up single-chip microcomputer by the interruption effect of the peripheral functional modules of single-chip microcomputer.
Single-chip microcomputer and the Lora module uses capacity in more than 1000mAh lithium battery power supply.
The lithium battery turns 3.3V power supply chips for single-chip microcomputer and Lora module for power supply by 5-12V, the power supply chip
From switching mode.
The present invention is by single-chip microcomputer and the design reduction Lora and the power consumption of application system of high-efficiency power circuit, and reaching makes
It can be given and be powered for a long time using the whole application system of Lora technologies with button cell, so save utility grid electric energy,
The load of utility grid is reduced, each system can save 50 degree of electric energy every year, while the wiring that elimination system connects civil power is installed
Expense, also makes hardware composing simple, saves working hour.
Brief description of the drawings
The content to every width accompanying drawing expression in description of the invention is briefly described below：
Fig. 1 is Lora and single-chip microcomputer (MCU) connection figure；
Fig. 2 is main program flow chart；
Fig. 3 is interrupt service routine flow chart；
Fig. 4 is that serial ports sends function flow chart.
Embodiment
As shown in figure 1, the interface end of Lora modules adds single-chip microcomputer, controlled using general purpose I/O port of single-chip microcomputer
Lora mode of operation.
Lora modules are divided into four kinds of mode of operations, are controlled by interface MD1 and MD0：
If MD1=0, MD0=0, then Lora modules enter general modfel, under this pattern, and serial ports is opened, wireless to open, thoroughly
Bright transmission；
If MD1=0, MD0=1, then under Lora modules are awakening mode, this pattern, serial ports is opened, wireless to open, and one
As pattern distinguished than uniquely before packet transmission, automatic increase wakes up code, wakes up the Lora in battery saving mode；
If MD1=1, MD0=0, then under Lora modules are battery saving mode, this pattern, serial ports, which is received, closes, wireless in sky
Middle awakening mode, is received after wireless data, is opened serial ports and is received data, the pattern is only recipient, it is impossible to send；
If MD1=1, MD0=1, then under Lora modules are park mode, this pattern, serial ports is closed, wireless to close, can only
Parameter setting order is received, this pattern is typically of little use.
The situation of single-chip microcomputer is being added without, the function that Lora modules will be provided simultaneously with receiving and sending can only operate in typically
Under pattern, under general modfel, the serial ports of Lora modules is with wireless all in long-time open mode, and this necessarily causes Lora work(
Consumption extremely increases.
Add after single-chip microcomputer control, Lora modules can be set to battery saving mode, when no data is transmitted, serial ports and wireless
All in closed mode, the power consumption of Lora modules is extremely low.When having data transfer, gateway end Lora modules, which are sent, wakes up code, will save
Lora data bits under power mode, after the completion of receiving the data that gateway end is sent, data receiver, when needing to be sent out data
When, MD1 values are changed by general purpose I/O port of single-chip microcomputer, general modfel is set to and is sent out data.Pass through this controlling party
Formula so that power consumption is extremely low in the standby state by Lora, several uA of standby current or so.
Single-chip microcomputer possesses the type of super low-power consumption ability from MSP430 or STM etc., when single-chip microcomputer is in standby mode
System clock is closed, into park mode state, once there is external signal input requirements single-chip microcomputer to enter working condition, can be passed through
The interruption effect of peripheral functional modules wakes up single-chip microcomputer, below standby current 1uA under single-chip microcomputer park mode.
Battery can according to the data volume of whole application system number and data exchange frequency, selection high-capacity lithium electricity
Pond or button cell.General more than the 1000mAh of capacity of high-capacity lithium battery, the general 100mAh- of capacity of button cell
1000mAh.For the system that quantity is big, data interaction frequency is high, lithium battery is can select, 3.3V power supply chips are turned by 5-12V
3.3V is converted voltages into power for single-chip microcomputer and Lora.Power supply chip selects switching mode, and switching type power supply possesses high conversion effect
Rate, low-loss feature, overall conversion efficiency is more than 95%, the loss very little of power supply.For quantity is small, data interaction frequency
The not high system of rate, directly can be powered from 3.3V button cells, lossless in terms of power supply to produce.With peace after whole system assembling
Mounted box is packed, and exterior appearance is generous.
The present invention controls Lora state using single-chip microcomputer, and the function that Lora does not need work is closed in real time, drop is reached
Low Lora stand-by power consumption.After Lora lower power consumption, it can be powered, saved using lithium battery or button cell in terms of power supply
The access of AC220 civil powers, and using the DC-DC power source of conversion efficiency more than 95%, effectively reduce the loss of electric energy.Adopt
It is uninterrupted power supply with lithium battery or button cell, is not in that power-off causes whole system to work, utilizes the present invention's
The service life of technology, lithium battery or button cell is universal more than 3 years.Battery and whole hardware device can be overall packaging
In mounting box, possesses beautiful and applicable feature.
The present invention is exemplarily described above in conjunction with accompanying drawing, it is clear that the present invention is implemented not by aforesaid way
Limitation, as long as the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress is employed, or without changing
Enter and the design of the present invention and technical scheme are directly applied into other occasions, within protection scope of the present invention.
Claims (6)
1. the low power consumption method based on Lora communicators, it is characterised in that：Lora modules are provided with wireless serial module, for controlling
The single-chip microcomputer of Lora communicators mode of operation processed passes through I/O ports output services mode control signal to wireless serial module；
The mode of operation of the Lora modules includes：
General modfel：Serial ports is opened, wireless to open；
Awakening mode：Serial ports is opened, wireless to open, and packet to be sent is added is in battery saving mode Lora modules for waking up
Wake-up code；
Battery saving mode：Serial ports, which is received, closes, and wirelessly only opens and receives semiotic function, closes transmission signal function.
2. the low consumption circuit according to claim 1 based on Lora communicators, it is characterised in that：Lora modules are standby
Battery saving mode is in during state, when there is data transfer, gateway end Lora modules, which are sent, wakes up code, by the Lora under battery saving mode
Data bits, receive the data that gateway end is sent；
When needing to be sent out data, Lora modules are made to enter general modfel by single-chip microcomputer, after pending data is sent, then
Lora modules are made to enter battery saving mode by single-chip microcomputer.
3. the low consumption circuit according to claim 1 or 2 based on Lora communicators, it is characterised in that：The Lora
The mode of operation of module also includes park mode：Parameter setting order can only be received.
4. the low consumption circuit according to claim 3 based on Lora communicators, it is characterised in that：At the single-chip microcomputer
System clock is closed when standby mode, into park mode state, once there is external signal input requirements single-chip microcomputer to enter work
Make state, waken up single-chip microcomputer by the interruption effect of the peripheral functional modules of single-chip microcomputer.
5. the low consumption circuit based on Lora communicators according to claim 1 or 4, it is characterised in that：The monolithic
Machine and Lora modules use capacity in more than 1000mAh lithium battery power supply.
6. the low consumption circuit according to claim 5 based on Lora communicators, it is characterised in that：The lithium battery leads to
Cross 5-12V and turn 3.3V power supply chips for single-chip microcomputer and Lora module for power supply, the power supply chip selects switching mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517776.4A CN107318154A (en) | 2017-06-29 | 2017-06-29 | Low power consumption method based on Lora communicators |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710517776.4A CN107318154A (en) | 2017-06-29 | 2017-06-29 | Low power consumption method based on Lora communicators |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107318154A true CN107318154A (en) | 2017-11-03 |
Family
ID=60180805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710517776.4A Pending CN107318154A (en) | 2017-06-29 | 2017-06-29 | Low power consumption method based on Lora communicators |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107318154A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777882A (en) * | 2018-06-08 | 2018-11-09 | 东北农业大学 | A kind of LoRa communication means, apparatus and system towards low-power consumption wide area network |
| CN110290509A (en) * | 2019-07-30 | 2019-09-27 | 北京华三通信技术有限公司 | Data transmission method and device |
| CN110831132A (en) * | 2019-11-01 | 2020-02-21 | 腾讯科技（深圳）有限公司 | Data processing method and equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106097523A (en) * | 2016-08-01 | 2016-11-09 | 江苏启泰物联网科技有限公司 | A kind of wireless low-power consumption intelligent door lock and method of work thereof |
| CN106092842A (en) * | 2016-06-22 | 2016-11-09 | 北京工业大学 | High-precision gas concentration based on LoRa and particle concentration self-powered monitoring system |
| US20160345265A1 (en) * | 2015-05-20 | 2016-11-24 | Senaya, Inc. | Low power wide area network |
-
2017
- 2017-06-29 CN CN201710517776.4A patent/CN107318154A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20160345265A1 (en) * | 2015-05-20 | 2016-11-24 | Senaya, Inc. | Low power wide area network |
| CN106092842A (en) * | 2016-06-22 | 2016-11-09 | 北京工业大学 | High-precision gas concentration based on LoRa and particle concentration self-powered monitoring system |
| CN106097523A (en) * | 2016-08-01 | 2016-11-09 | 江苏启泰物联网科技有限公司 | A kind of wireless low-power consumption intelligent door lock and method of work thereof |
Non-Patent Citations (1)
| Title |
|---|
| 深圳市安美科技有限公司: "《APC340 低功耗高性能无线数传模块》", 《WWW.APPCON.COM.CN》 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108777882A (en) * | 2018-06-08 | 2018-11-09 | 东北农业大学 | A kind of LoRa communication means, apparatus and system towards low-power consumption wide area network |
| CN110290509A (en) * | 2019-07-30 | 2019-09-27 | 北京华三通信技术有限公司 | Data transmission method and device |
| CN110290509B (en) * | 2019-07-30 | 2023-04-28 | 北京华三通信技术有限公司 | Data transmission method and device |
| CN110831132A (en) * | 2019-11-01 | 2020-02-21 | 腾讯科技（深圳）有限公司 | Data processing method and equipment |
| CN110831132B (en) * | 2019-11-01 | 2022-04-12 | 腾讯科技（深圳）有限公司 | Data processing method and equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203434675U (en) | Buoy low-power-consumption power supply management circuit | |
| CN107318154A (en) | Low power consumption method based on Lora communicators | |
| CN104199342A (en) | Data collection method, system and device | |
| CN208924395U (en) | A kind of super low-power consumption lora- serial ports transparent transmission conversion module | |
| CN112020031A (en) | Low-power consumption thing allies oneself with communication device based on wireless awakening of low frequency and wiFi | |
| CN208924233U (en) | A kind of super low-power consumption bluetooth-serial ports transparent transmission conversion module | |
| CN205596356U (en) | Open -air detection device of low -power consumption of solar energy power supply | |
| CN205596357U (en) | Open -air detection device of low -power consumption | |
| CN109993953B (en) | Low-power consumption power supply module | |
| CN209046676U (en) | A kind of door lock controlling terminal | |
| CN214540710U (en) | Low-power consumption circuit and display screen system | |
| CN205103859U (en) | Low -power consumption IC card read/write devices based on bluetooth BLE technique | |
| CN208623661U (en) | A kind of super low-power consumption nbiot- serial ports transparent transmission conversion module | |
| CN212727059U (en) | Photovoltaic energy storage monitoring gateway device based on loRa | |
| CN211791572U (en) | Solar LORA gateway | |
| CN210217374U (en) | Low-power consumption pronunciation intelligence lock | |
| CN201336072Y (en) | Intelligent multichannel low-voltage meter reading data concentrator | |
| CN208572452U (en) | A kind of super low-power consumption wifi- serial ports transparent transmission conversion module | |
| CN210744818U (en) | Power supply system | |
| CN209326800U (en) | Multi-functional temp acquisition device | |
| CN209057212U (en) | A kind of super long standby time positioning device based on NB-IOT | |
| CN103888271A (en) | WIA-PA wireless network adapter power supply circuit | |
| CN109802480B (en) | Device for entering dormant or factory mode | |
| CN103167039B (en) | A kind of development platform towards polymorphic type ZigBee node | |
| CN203149817U (en) | Wireless meter reading node of water meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171103 |