CN107148087A - Self-powered Temperature Humidity Sensor network based on solar energy collecting - Google Patents
Self-powered Temperature Humidity Sensor network based on solar energy collecting Download PDFInfo
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- CN107148087A CN107148087A CN201710195736.2A CN201710195736A CN107148087A CN 107148087 A CN107148087 A CN 107148087A CN 201710195736 A CN201710195736 A CN 201710195736A CN 107148087 A CN107148087 A CN 107148087A
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- node
- sensor network
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- temperature humidity
- solar
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks
-
- 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
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
- H04L12/10—Current supply arrangements
-
- 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
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The invention discloses the self-powered Temperature Humidity Sensor network based on solar energy collecting, each node of sensor network includes solar panel, chargeable lithium cell, Temperature Humidity Sensor, wireless communication module, energy conservation module and CPU, solar panel and chargeable lithium cell are connected with energy conservation module, the energy conservation module other end is connected with CPU, and Temperature Humidity Sensor and wireless communication module are connected with CPU simultaneously.Wherein, energy conservation module is again by supply control unit, electric quantity monitoring unit and energy collection unit composition, supply control unit is used for the power supply mode of management of sensor network node, the collection efficiency of solar energy is monitored in real time, and solar cell can power for sensor network nodes and unnecessary electric energy is stored in chargeable lithium cell.The present invention can realize wireless sourceless sensor network node, can greatly prolong the sensor network nodes life-span, improve the stability and reliability of network node.
Description
Technical field
The invention belongs to computer network field, it is related to a kind of open air humiture data environment that is applied to and monitors application, lead to
The environmental energy crossed around collecting sensor node --- solar energy carries out the Temperature Humidity Sensor net that sensor node is powered
Network.
Background technology
Wireless sensor network (Wireless Sensor Networks, WSNs) is big in monitored area by being deployed in
Quantity sensor is constituted with modes such as self-organizing and multi-hops, is perceived, gathered with cooperation mode, handled and transmission network overlay area
The wireless network of interior monitoring object information, be it is current it is international and domestic it is receiving much concern, to be related to multidisciplinary height intersection, knowledge high
The integrated forward position focus research field of degree.Wireless sensor network extends the information obtaining ability of people, by objective world
Physical message together, will provide direct, effective, real magnanimity letter in next generation network with transmission network connection for people
Breath.Wireless sensor network can obtain objective physical information, have broad application prospects, and can apply to military and national defense, work
The fields such as agriculture control, city management, biologic medical, environmental monitoring, rescue and relief work, danger zone remote control, have caused
The great attention of many National Academies circle and industrial quarters, it is considered to be one of technology with strongest influence power to 21 century.
Wireless sensor network at this stage is typically the network system for being integrated with monitoring, control and radio communication, section
Count out huge, Node distribution is more intensive, current node is powered usually using minicell, and energy is extremely limited, due to
The influence of environment and depleted of energy, node are easier to break down.Energy effectively is obtained from external environment condition, for low-power consumption
Wireless sensor network is significant, can greatly prolong node lifetime, reduces network operation cost.
At present, solar powered technology comparative maturity, how by solar powered technology and wireless sensor network
With reference to, realize wireless sensor network effectively utilize solar energy, for extend node lifetime, reduce wireless senser maintenance into
This tool is of great significance, therefore has become the focus of this area research.Such as notification number is CN205232461U, name
The utility model of referred to as " a kind of wireless sensor network intelligent node apparatus of low-power consumption " discloses a kind of the wireless of low-power consumption
Sensor network intelligent node apparatus, it includes mono-crystalline silicon solar photovoltaic power supply module, consumption detection module, central processing unit
And sensor assembly.The output end of mono-crystalline silicon solar photovoltaic power supply module is electrically connected with the input of consumption detection module,
The output end of consumption detection module is electrically connected with the input of central processing unit and the input of sensor assembly respectively, sensing
The output end of device module and the input of central processing unit are electrically connected with.But it is not known in the utility model and proposes design energy pipe
Manage module and carry out sensor node and carry out energy management, in practical application due to solar energy collecting easily by weather influenceed fluctuation compared with
Greatly, therefore energy management module reasonable in design is the key whether node is capable of continuous service.
The content of the invention
The technical problems to be solved by the invention are to utilize solar energy to be Temperature Humidity Sensor network power supply, propose a kind of base
In the self-powered Temperature Humidity Sensor network of solar energy collecting.Solar energy conversion electric energy be by energy conservation module further
Node is powered, so as to realize wireless sourceless sensor network node, energy-conserving and environment-protective greatly prolong the sensor network nodes life-span,
Improve network node stability and reliability, reduce because change or maintenance sensor network node and caused by node data
Loss problem and expense of human problem.Meanwhile, the network node also have simple in construction, build it is compact, practical,
Easy to maintenance the characteristics of.
To achieve the above object, technical scheme proposed by the present invention is the self-powered temperature and humidity sensing based on solar energy collecting
Device network, each node of sensor network includes solar panel, chargeable lithium cell, Temperature Humidity Sensor, channel radio
Interrogate module, energy conservation module and CPU, solar panel and chargeable lithium cell and energy conservation module phase
Even, the energy conservation module other end is connected with CPU, Temperature Humidity Sensor and wireless communication module and meanwhile with center
Processing unit is connected.
Further, above-mentioned energy conservation module is made up of supply control unit, electric quantity monitoring unit and energy collection unit,
Supply control unit is used for the power supply mode of management of sensor network node, in real time the collection efficiency of monitoring solar energy, if conversion
Efficiency high, then the solar cell on solar panel is that sensor network nodes are powered and are stored in unnecessary electric energy chargeable
In lithium battery, if conversion efficiency is low but still enough nodes work is used, solar cell is only powered for node, if solar-electricity
The not enough power supply that pond is provided is used for node work, then node is directly powered by chargeable lithium cell, and solar cell is collected
Electricity supplies chargeable lithium cell.
Above-mentioned electric power detection unit can read lithium battery voltage and dump energy, and send real by wireless communication module
When monitoring all the sensors work when voltage electricity to base station or aggregation node, so as to check whether node being capable of normal work
Make.
The luminous energy dress that above-mentioned energy collection unit can receive solar panel is changed to electric energy and supplies sensor node
Use.
Above-mentioned wireless communication module is worked by the way of radio communication ad hoc network and using transmitting-receiving simultaneously progress.
The sensor network is made up of multiple nodes for being provided simultaneously with transmission-receiving function, and each node has relaying work(simultaneously
Can, the content that a node is sent out can be received, ambient temperature and humidity that the node collects is sent and from upper one section
The data collected are sent to base station or aggregation node, so as to complete environment by the data of point with the working method of multi-hop
In the warm and humid degrees of data of all nodes obtain in real time.
Compared with prior art, beneficial effects of the present invention：
1, the electric energy that is converted by using solar energy is powered for node in the present invention, so as to realize wireless sourceless sensor net
Network node, energy-conserving and environment-protective can greatly prolong the sensor network nodes life-span, improve the stability and reliability of network node,
Reduce because change or maintenance sensor network node and caused by node data lose problem and expense of human problem.
2, network node of the invention also have simple in construction, build it is compact, practical, it is easy to maintenance the characteristics of.
Brief description of the drawings
Fig. 1 is solar energy Temperature Humidity Sensor node structure block diagram；
Fig. 2 is solar energy Temperature Humidity Sensor node workflow diagram.
Embodiment
In conjunction with accompanying drawing, the present invention will be further described in detail.
Self-powered Temperature Humidity Sensor network based on solar energy collecting is by multiple solar energy Temperature Humidity Sensor node groups
Into.As shown in figure 1, solar energy Temperature Humidity Sensor node is by solar panel, lithium battery, Temperature Humidity Sensor, channel radio
Interrogate module, energy conservation module, CPU composition.
Energy conservation module is made up of supply control unit, electric power detection unit and energy collection unit；Temperature and humidity sensing
Temperature humidity real time data in environment where device is responsible for collector node；Supply control unit can detect that solar panel is collected
Sunlight conversion electricity, if conversion electricity it is many, solar cell be node power and by unnecessary electric energy be stored in lithium battery
In, if still node work enough is used the electricity of conversion less, solar cell is only powered for node, if solar panel
Not enough power supply after conversion uses so that node works, then supplies the dump energy needed for node work by lithium battery；Electricity is examined
Lithium battery voltage and dump energy can be read and send monitoring all the sensors work in real time by wireless communication module by surveying unit
Voltage electricity when making is to base station or aggregation node, so as to check whether node being capable of normal work；Energy collection unit can
Electric energy is changed to the luminous energy dress for receiving solar panel to use for sensor node.
The mode of operation that wireless communication module is carried out simultaneously using radio communication ad hoc network and using transmitting-receiving.
The workflow block diagram of network node is as shown in Fig. 2 job step is as follows：
Step 1) solar panel collects luminous energy in the case where there is photoenvironment, by the collection of energy list in energy management module
Member converts light energy into electric energy, and electric energy is reached into supply control unit；
Step 2) supply control unit is analyzed the electricity collected by solar panel, if the unit interval collects electricity
Amount is used for node normal work enough, then electricity is stored in into lithium battery for the unnecessary electricity after node use；If the unit interval
Collect electricity less, but be enough to use for solar energy Temperature Humidity Sensor node, then directly use electricity for node；If unit
Time collection electricity is less and is not enough to support Temperature Humidity Sensor node to use, then will collect electricity and used for sensor node
And the electricity for calling node to also need to from lithium battery supplies node normal work；
Step 3) electric power detection module sends the lithium battery real-time status i.e. dump energy, the voltage that are collected into center
Processing unit is handled；
Step 4) temperature humidity sensor module after the electricity that solar cell or lithium battery or both are provided together is obtained,
Collect the humiture state in current environment and send humiture and handled to node microprocessor；
Step 5) CPU interacts with wireless communication module, the electricity that CPU receives oneself
Real time humiture data are sent to wireless communication module in pond state and environment after being handled, and control wireless communication module
Work, wireless communication module then sends and receives data and the data received is sent into next-hop node or base station.
The overall work mode of self-powered Temperature Humidity Sensor network based on solar energy collecting is as follows：
Step 1) multiple sensor nodes, from net is constituted, form network topology；
Step 2) each node by oneself real time humiture situation in the environment and node lithium battery state through centre
Manage after cell processing, sent by wireless communication module；
Step 3) wireless communication module is while data are sent, the number that other wireless communication modules are sent in reception environment
According to；
Step 4) multiple solar energy Temperature Humidity Sensor nodes communicate, each solar energy Temperature Humidity Sensor node
With relay function, so as to realize the self-powered Temperature Humidity Sensor network based on solar energy collecting.
By it is described above it is visible compared with prior art, network sensor node proposed by the present invention can be not required to
Worked always in the case of changing finite battery, reduce because change or maintenance sensor network node power supply module and caused by
Node data problem and Human Resource Problems.The electric energy of solar energy conversion is further supplied by energy conservation module for node
Electricity, so as to realize wireless sourceless sensor network node, energy-conserving and environment-protective greatly prolong the sensor network nodes life-span, improve net
The stability and reliability of network node, reduce because change or maintenance sensor network node and caused by node data lose ask
Topic and expense of human problem.Meanwhile, the network node also has that simple in construction, build is compact, practical, maintenance side
Just the characteristics of.
Described above is only the preferred embodiment of the present invention.It should be pointed out that coming for one of ordinary skill in the art
Say, under the premise without departing from the principles of the invention, various modifications and improvements can be made, these also should be regarded as belonging to the present invention
Protection domain.
Claims (6)
1. the self-powered Temperature Humidity Sensor network based on solar energy collecting, it is characterised in that each node bag of sensor network
Containing solar panel, chargeable lithium cell, Temperature Humidity Sensor, wireless communication module, energy conservation module and center processing
Unit, solar panel and chargeable lithium cell are connected with energy conservation module, the energy conservation module other end and centre
Manage unit to be connected, Temperature Humidity Sensor and wireless communication module are connected with CPU simultaneously.
2. the self-powered Temperature Humidity Sensor network according to claim 1 based on solar energy collecting, it is characterised in that institute
The energy conservation module stated is used by supply control unit, electric quantity monitoring unit and energy collection unit composition, supply control unit
In the collection efficiency of the power supply mode of management of sensor network node, in real time monitoring solar energy, if high conversion efficiency, solar energy
Solar cell on cell panel is powered for sensor network nodes and unnecessary electric energy is stored in chargeable lithium cell, if conversion
Efficiency is low but still enough nodes work is used, then solar cell is only powered for node, if the electricity that solar cell is provided is not
It is enough to use for node work, then node is directly powered by chargeable lithium cell, and it is chargeable that solar cell collects electricity supply
Lithium battery.
3. the self-powered Temperature Humidity Sensor network according to claim 2 based on solar energy collecting, it is characterised in that institute
The electric power detection unit stated can read lithium battery voltage and dump energy, and send monitoring institute in real time by wireless communication module
There is voltage electricity during working sensor to base station or aggregation node, so as to check whether node being capable of normal work.
4. the self-powered Temperature Humidity Sensor network according to claim 2 based on solar energy collecting, it is characterised in that institute
The luminous energy dress that the energy collection unit stated can receive solar panel is changed to electric energy and used for sensor node.
5. the self-powered Temperature Humidity Sensor network according to claim 1 based on solar energy collecting, it is characterised in that institute
The wireless communication module stated is worked by the way of radio communication ad hoc network and using transmitting-receiving simultaneously progress.
6. the self-powered Temperature Humidity Sensor network according to claim 1 based on solar energy collecting, it is characterised in that institute
State sensor network to be made up of multiple nodes for being provided simultaneously with transmission-receiving function, each node has relay function simultaneously, can receive
The content that a upper node is sent out, sends ambient temperature and humidity that the node collects and the data from a upper node,
The data collected are sent to base station or aggregation node with the working method of multi-hop, so as to complete all nodes in environment
Warm and humid degrees of data obtain in real time.
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Cited By (9)
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| CN107911800A (en) * | 2017-10-09 | 2018-04-13 | 南京邮电大学 | Solar energy collecting video sensor network and its method of supplying power to based on Raspberry Pi |
| CN108964236A (en) * | 2018-05-16 | 2018-12-07 | 南京邮电大学 | The tracking solar energy collecting system certainly of facing sensing net application |
| CN109164712A (en) * | 2018-10-22 | 2019-01-08 | 东莞市五丰电子有限公司 | A kind of control system of self-powered household electricity device |
| CN109587653A (en) * | 2019-01-11 | 2019-04-05 | 贵州远诚自控科技有限公司 | It is a kind of based between somewhere non-transformer and two places again be not easy to wiring signal synchronizing device |
| CN110304281A (en) * | 2019-05-24 | 2019-10-08 | 北京天问空间科技有限公司 | A kind of autocontrol method for preventing space station experimental data from losing |
| CN110304280A (en) * | 2019-05-24 | 2019-10-08 | 北京天问空间科技有限公司 | A kind of automatic control system for space station |
| CN111174821A (en) * | 2019-11-28 | 2020-05-19 | 北京宇航系统工程研究所 | Temperature and humidity sensor and monitoring system for carrier rocket |
| CN114143123A (en) * | 2021-11-28 | 2022-03-04 | 特斯联科技集团有限公司 | Passive wireless network for forest grassland |
| CN114726069A (en) * | 2022-04-07 | 2022-07-08 | 电子科技大学 | Edge computing node based on self-energy supply |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107911800A (en) * | 2017-10-09 | 2018-04-13 | 南京邮电大学 | Solar energy collecting video sensor network and its method of supplying power to based on Raspberry Pi |
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| CN109587653A (en) * | 2019-01-11 | 2019-04-05 | 贵州远诚自控科技有限公司 | It is a kind of based between somewhere non-transformer and two places again be not easy to wiring signal synchronizing device |
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| CN111174821A (en) * | 2019-11-28 | 2020-05-19 | 北京宇航系统工程研究所 | Temperature and humidity sensor and monitoring system for carrier rocket |
| CN114143123A (en) * | 2021-11-28 | 2022-03-04 | 特斯联科技集团有限公司 | Passive wireless network for forest grassland |
| CN114143123B (en) * | 2021-11-28 | 2022-10-14 | 特斯联科技集团有限公司 | Passive wireless network for forest grassland |
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Application publication date: 20170908 |