CN201774308U - Solar power supply system device of wireless sensor network - Google Patents
Solar power supply system device of wireless sensor network Download PDFInfo
- Publication number
- CN201774308U CN201774308U CN2010205018259U CN201020501825U CN201774308U CN 201774308 U CN201774308 U CN 201774308U CN 2010205018259 U CN2010205018259 U CN 2010205018259U CN 201020501825 U CN201020501825 U CN 201020501825U CN 201774308 U CN201774308 U CN 201774308U
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- control circuit
- wireless sensor
- power supply
- sensor network
- solar
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a solar power supply system device of a wireless sensor network. The device comprises a solar cell, a charging control circuit, a storage battery, a voltage conversion control circuit, a standby battery, an electric energy detection circuit, a wireless sensor node module and a sensor module, wherein the solar cell is connected with the charging control circuit; the charging control circuit is connected with the storage battery; the storage battery is connected with the voltage conversion control circuit and the electric energy detection circuit respectively; the electric energy detection circuit is connected with the voltage conversion control circuit; the standby battery is connected with the voltage conversion control circuit; the voltage conversion control circuit is connected with the wireless sensor node module and the sensor module respectively for power supply; and the wireless sensor node module is connected with the sensor module. Long-term continuous and stable power supply of a wireless sensor network node, particularly a soil moisture sensor with relatively high energy consumption can be realized, and the bottleneck problem of the limit of dry cell power supply on the long-term stable monitoring of the wireless sensor network is solved.
Description
Technical field
The utility model relates to the wireless sensor network field, particularly a kind of solar electric power supply system device of wireless sensor network.
Background technology
Along with the development of the information communication and the information processing technology, wireless sensor network technology (Wireless Sensor Network-WSN) carries out the application of soil water content monitoring on agricultural increasingly extensive.Because the particularity of wireless sensor network applied environment, wireless sensor network node generally provides energy by dry cell, but owing to be applied to the special physique of soil moisture sensor of monitoring soil moisture, it is bigger to consume energy, general dry cell will exhaust after after a while, and this is very big has limited the ability that wireless sensor network is realized long-time stability monitoring.
In order to overcome above-mentioned shortcoming, existing solar charging power technology provides a kind of solar charging circuit, by comparator, field effect transistor, solar cell and rechargeable battery are formed, this circuit utilizes field effect transistor to replace diode, and do conducting that a comparator controls field effect transistor separately and end, pressure drop is extremely low during the field effect transistor conducting, when a little higher than charged battery voltage of solar array voltage, comparator is just controlled solar cell and by field effect transistor rechargeable battery is charged, otherwise, when solar array voltage is lower than charged battery voltage, field effect transistor is ended, and has avoided back discharge, and this utility model is made into the CMOS integrated circuit to the control circuit of solar battery charging circuit and product and booster driving circuit, effectively reduce product cost, reached purpose of design.
Prior art also has a kind of solar charger, is used for to charge electronic devices, and it comprises solar panels, a control module that is electrically connected with these solar panels and one and the charging module that is electrically connected of control module.
But above technology has just proposed a kind of general solar charging power technology, there is not reserve battery on the one hand, continuing can not to carry out power supply under the also not enough situation of thinking the sensor node power supply of charging at rechargeable battery switches, converting the reserve battery powering mode to power for sensor node, lack multi-source in addition on the one hand and supply with translation circuit, the direct current supply of 5V can not both be provided, the DC stabilization power supply of 3V and 1.5V can be provided again, therefore can not be applied to the power supply environment of wireless sensor network node really.
The utility model content
The utility model provides the solar electric power supply system device of wireless sensor network, this device can be realized particularly the consume energy long-time continual and steady power supply of bigger soil moisture sensor of wireless sensor network node, has solved the bottleneck problem of dry cell power supply to the long-time stability monitoring restriction of wireless sensor network.
To achieve these goals, the utility model comprises following technical characterictic: a kind of solar electric power supply system device of wireless sensor network, and it comprises solar cell, charging control circuit, storage battery, voltage transformation control circuit, reserve battery, power detection circuit, wireless sensor node module and sensor assembly; Described solar cell is connected with charging control circuit, and described charging control circuit is connected with storage battery, and described storage battery is connected with power detection circuit with the voltage transformation control circuit respectively; Described power detection circuit is connected with the voltage transformation control circuit; Described reserve battery is connected with the voltage transformation control circuit, and described voltage transformation control circuit is connected power supply respectively at the wireless sensor node module with sensor assembly; Described wireless sensor node module is connected with sensor assembly.
Described solar cell is a polysilicon solar cell.
Described sensor assembly is the soil moisture sensor module.
Compared with prior art, the utility model proposes solar energy converting is that chemical energy is also powered for sensor node and soil moisture sensor, and detect the electric energy of charging accumulator by the electric energy detection module of Single Chip Microcomputer (SCM) system, single-chip computer control system switches to the reserve battery supply model when detecting storage battery and can not provide power supply to supply with for sensor network, and reaches the supply of sensor node electric energy and switch to again under the solar recharging storage battery power supply pattern when requiring and power when the electric energy detection module detects solar charging electrical storage cell electric energy.Compared with prior art, the utility model can carry out stable charging control; Can carry out electric source modes according to charging accumulator electric energy size switches; The function that meets wireless sensor network monitoring steady in a long-term is supplied with needs, impels monitoring of the long-term efficient stable of wireless sensor network.
Description of drawings
Fig. 1 is the utility model equipments overall structure figure;
Fig. 2 boosts and the charge control module circuit diagram for the utility model solar energy;
Fig. 3 is electric energy detection and power supply switching controls module circuit diagram;
Fig. 4 is electric energy detection and power supply switching control program flow chart.
Embodiment
This creation has designed a kind of system and device that utilizes solar energy to carry out the wireless sensor network node power supply, this device can be realized particularly the consume energy long-time continual and steady power supply of bigger soil moisture sensor of wireless sensor network node, has solved the bottleneck problem of dry cell power supply to the long-time stability monitoring restriction of wireless sensor network.
As shown in Figure 1, this device comprises that solar energy boosts and the control submodule that charges, storage battery electric energy detection submodule and storage battery and reserve battery switching controls submodule.Concrete syndeton is: comprise solar cell, charging control circuit, storage battery, voltage transformation control circuit, reserve battery, power detection circuit, wireless sensor node module and sensor assembly; Described solar cell is connected with charging control circuit, and described charging control circuit is connected with storage battery, and described storage battery is connected with power detection circuit with the voltage transformation control circuit respectively; Described power detection circuit is connected with the voltage transformation control circuit; Described reserve battery is connected with the voltage transformation control circuit, and described voltage transformation control circuit is connected power supply respectively at the wireless sensor node module with sensor assembly; Described wireless sensor node module is connected with sensor assembly.
Specific embodiment of the utility model is the power supply to the wireless sensor node of soil moisture sensor.Further, described solar cell is a polysilicon solar cell.Described sensor assembly is the soil moisture sensor module.As Fig. 2,3, shown in 4, the utility model proposes and adopt solar powered technology to realize the charging of solar energy storage battery in conjunction with single-chip microcomputer Detection ﹠ Controling technology, with solar energy converting is that chemical energy is also powered for sensor node and soil moisture sensor, and detect the electric energy of charging accumulator by the electric energy detection module of Single Chip Microcomputer (SCM) system, single-chip computer control system switches to the reserve battery supply model when detecting storage battery and can not provide power supply to supply with for sensor network, and reaches the supply of sensor node electric energy and switch to again under the solar recharging storage battery power supply pattern when requiring and power when the electric energy detection module detects solar charging electrical storage cell electric energy.
Solar energy boosts and has adopted DC-DC to change integrated IC with charge control module and utilize electric capacity, resistance and the inductance of certain parameter to build peripheral circuit and realize boost function, and adopt voltage-stabiliser tube, switching tube and resistance element to build circuit and realize function of solar charging, by this circuit, the input voltage of the 0-5V that solar panel produces is given the 5V charge in batteries by booster circuit and charging circuit, when battery tension surpasses 5V, force booster circuit to quit work by switching tube, stop storage battery being charged thereby make.
Electric energy detection and power supply control switching circuit have mainly adopted single-chip microcomputer, components and parts such as AD conversion chip and relay carry out circuit design and function realizes, converting the voltage value of simulating to digital value by the AD conversion chip also reads for single-chip microcomputer, provide corresponding control signal by single-chip microcomputer calculating and carry out the power supply switching, thereby realized the detection of electric energy and the function of power supply switching controls by relay.
Claims (3)
1. the solar electric power supply system device of a wireless sensor network is characterized in that: comprise solar cell, charging control circuit, storage battery, voltage transformation control circuit, reserve battery, power detection circuit, wireless sensor node module and sensor assembly; Described solar cell is connected with charging control circuit, and described charging control circuit is connected with storage battery, and described storage battery is connected with power detection circuit with the voltage transformation control circuit respectively; Described power detection circuit is connected with the voltage transformation control circuit; Described reserve battery is connected with the voltage transformation control circuit, and described voltage transformation control circuit is connected power supply respectively at the wireless sensor node module with sensor assembly; Described wireless sensor node module is connected with sensor assembly.
2. the solar electric power supply system device of wireless sensor network according to claim 1, it is characterized in that: described solar cell is a polysilicon solar cell.
3. the solar electric power supply system device of wireless sensor network according to claim 1, it is characterized in that: described sensor assembly is the soil moisture sensor module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205018259U CN201774308U (en) | 2010-08-20 | 2010-08-20 | Solar power supply system device of wireless sensor network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205018259U CN201774308U (en) | 2010-08-20 | 2010-08-20 | Solar power supply system device of wireless sensor network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201774308U true CN201774308U (en) | 2011-03-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205018259U Expired - Fee Related CN201774308U (en) | 2010-08-20 | 2010-08-20 | Solar power supply system device of wireless sensor network |
Country Status (1)
| Country | Link |
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| CN (1) | CN201774308U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102944659A (en) * | 2012-12-07 | 2013-02-27 | 武汉邮电科学研究院 | Wireless sensor for detecting water quality of industrial sewage |
| WO2013078668A1 (en) * | 2011-12-02 | 2013-06-06 | 拓实电子（深圳）有限公司 | Solar dual-supply circuit |
| CN105676759A (en) * | 2016-01-13 | 2016-06-15 | 千江（上海）信息科技有限公司 | Power management system and method for online monitoring device of power distribution line |
| CN107317386A (en) * | 2017-06-21 | 2017-11-03 | 江南大学 | Soil moisture content monitoring system energy supply based on wind light mutual complementing |
| CN113839457A (en) * | 2021-10-26 | 2021-12-24 | 重庆先锋渝州电器有限公司 | Charging circuit for intelligent charger |
| CN115173498A (en) * | 2022-05-24 | 2022-10-11 | 北京智芯半导体科技有限公司 | Charging control method and charging control device for wireless sensor and wireless sensor |
-
2010
- 2010-08-20 CN CN2010205018259U patent/CN201774308U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013078668A1 (en) * | 2011-12-02 | 2013-06-06 | 拓实电子（深圳）有限公司 | Solar dual-supply circuit |
| CN102944659A (en) * | 2012-12-07 | 2013-02-27 | 武汉邮电科学研究院 | Wireless sensor for detecting water quality of industrial sewage |
| CN105676759A (en) * | 2016-01-13 | 2016-06-15 | 千江（上海）信息科技有限公司 | Power management system and method for online monitoring device of power distribution line |
| CN107317386A (en) * | 2017-06-21 | 2017-11-03 | 江南大学 | Soil moisture content monitoring system energy supply based on wind light mutual complementing |
| CN113839457A (en) * | 2021-10-26 | 2021-12-24 | 重庆先锋渝州电器有限公司 | Charging circuit for intelligent charger |
| CN115173498A (en) * | 2022-05-24 | 2022-10-11 | 北京智芯半导体科技有限公司 | Charging control method and charging control device for wireless sensor and wireless sensor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110323 Termination date: 20140820 |
|
| EXPY | Termination of patent right or utility model |