CN201887683U - RN solar power supply device - Google Patents
RN solar power supply device Download PDFInfo
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- CN201887683U CN201887683U CN2010205672731U CN201020567273U CN201887683U CN 201887683 U CN201887683 U CN 201887683U CN 2010205672731 U CN2010205672731 U CN 2010205672731U CN 201020567273 U CN201020567273 U CN 201020567273U CN 201887683 U CN201887683 U CN 201887683U
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- power supply
- solar panel
- voltage
- control system
- supply control
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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
- 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
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
Abstract
The embodiment of the utility model provides an RN (Radio Node) solar power supply device. The power supply device comprises a solar panel, a power supply control system bracket and a photovoltaic power supply control system, wherein the solar panel is a polycrystalline silicon solar panel; the power supply control system bracket comprises three parts, namely a solar panel supporting seat, a main rod and an earthing component, and is designed into a steel structure; and the solar panel supporting seat and the main rod, segments of the main rod, and the main rod and the earthing component all adopt threaded connection. By adopting the device, continuous power can be provided for a network node of a wireless sensor, and power supply stability to a sensor node by a solar photovoltaic power supply control system can be guaranteed no matter in a strong light or a dim light environment by controlling the charge-discharge of an energy storage device and the system power supply strategy.
Description
Technical field
The utility model relates to solar powered field, relates in particular to a kind of radio node solar power supply apparatus.
Background technology
At present, forest is that the mankind depend on for existence and social development is most important and one of indispensable resource, and forest reserves growth and environmental monitoring technology thereof are that forest is cultivated the important technology content with protection, and wireless monitor can the minimizing accident, raise the efficiency.For example, arboreal growth health status monitoring, forest fire monitoring all are the important means of orest management and protection.
Prevention and monitoring forest fire have become an important research focus of countries in the world forest fire protection department, have very big advantage based on the real-time monitoring system of the forest health status of wireless multisensor network technology comparing with traditional method aspect real-time and the monitoring accuracy.But, the wireless sensor network node major part is to adopt the disposable chemical cell power supply of finite energy, this not only can produce restriction to useful life, volume and the cost of node, and quantity is big, also is difficult under the bad working environment in the open air realize the frequent battery altering that carries out of a plurality of monitoring nodes is operated.Therefore, how to make full use of the solar illuminating resource that node lays in the environment and provide energy for node work, designing easily the solar photovoltaic powered control system of setting up, need not frequent maintenance is key and the trend that solves wireless sensor network energy problem.
Because solar photovoltaic technology has the strong request to the energy of numerous superiority and wireless sensor network, the solar powered wireless sensor network that is applied to is become a technology that presses for research and development, do not design the wireless sensor network forest health monitoring systems of applied solar energy electric power supply control system power supply in the scheme of prior art, and can't guarantee solar photovoltaic powered control system stability to the sensor node power supply under low light environment.
Summary of the invention
The utility model embodiment provides a kind of radio node solar power supply apparatus, can be the wireless sensor network node continued power, and by to the control that discharges and recharges control and system's power supply strategy of energy storage device etc., make solar photovoltaic powered control system no matter in high light still is low light environment, can both guarantee stability to the sensor node power supply.
The utility model embodiment provides a kind of radio node solar power supply apparatus, and described electric supply installation comprises solar panel, electric power supply control system support and photovoltaic power supply control system, wherein:
Described solar panel adopts the polysilicon solar cell plate;
Described electric power supply control system support comprises solar panel supporting seat, main body bar and grounding assembly three parts, and adopts Steel Structural Design; Between described solar panel supporting seat and the main body bar, between each section main body bar, between main body bar and the grounding assembly all by being threaded;
Described photovoltaic power supply control system comprises main voltage raising and reducing circuit, be used for the fluctuation voltage of described solar panel output is adjusted into safe voltage, and provide charging voltage stable and safety to energy storage device, provide stable prime supply power voltage for a back level voltage stabilizing booster circuit simultaneously.
Be parallel with farad capacitor at described solar panel output, steady with the voltage that guarantees solar panel output.
Described electric supply installation also comprises energy storage device, and described energy storage device comprises lithium ion battery group and super capacitor module.
Described electric supply installation carries out layering on overall structure, divide two-layerly according to signal characteristic, and one deck is the signal controlling module, and another layer is an energy supply control module, realizes that signal section and power control part divide separating physically, reduce interference between the two.
By the above-mentioned technical scheme that provides as can be seen, described electric supply installation comprises solar panel, electric power supply control system support and photovoltaic power supply control system, and wherein: described solar panel adopts the polysilicon solar cell plate; Described electric power supply control system support comprises solar panel supporting seat, main body bar and grounding assembly three parts, and adopts Steel Structural Design; Between described solar panel supporting seat and the main body bar, between each section main body bar, between main body bar and the grounding assembly all by being threaded; Described photovoltaic power supply control system comprises main voltage raising and reducing circuit, be used for the fluctuation voltage of described solar panel output is adjusted into safe voltage, and provide charging voltage stable and safety to energy storage device, provide stable prime supply power voltage for a back level voltage stabilizing booster circuit simultaneously.By this device, can be the wireless sensor network node continued power, and by to the control that discharges and recharges control and system's power supply strategy of energy storage device etc., make solar photovoltaic powered control system no matter in high light still is low light environment, can both guarantee stability to the sensor node power supply.
Description of drawings
Fig. 1 provides the general frame figure of radio node solar power supply apparatus for the utility model embodiment;
Fig. 2 provides the general structure block diagram of radio node solar power supply apparatus for the utility model embodiment;
Fig. 3 is the schematic diagram of the utility model main step-up/step-down circuit that embodiment provides.
Embodiment
The utility model embodiment provides a kind of radio node solar power supply apparatus, can be the wireless sensor network node continued power, and by to the control that discharges and recharges control and system's power supply strategy of energy storage device etc., make solar photovoltaic powered control system no matter in high light still is low light environment, can both guarantee stability to the sensor node power supply.
For better describing the utility model execution mode, now in conjunction with the accompanying drawings embodiment of the present utility model is described, being illustrated in figure 1 as the utility model embodiment provides the general frame figure of radio node solar power supply apparatus, receives solar energy by the power supply control board among the figure and provides the electric energy energy for radio sensing network WSN node; Wherein, the general structure block diagram of radio node solar power supply apparatus mainly comprises solar panel, electric power supply control system support and photovoltaic power supply control system as shown in Figure 2 among Fig. 2, wherein:
This solar panel adopts the polysilicon solar cell plate, in the specific implementation process, size of components is designed to 530 * 515 * 30 (mm), and nominal power, open circuit voltage, short circuit current, optimum operating voltage, recommended current are respectively 30W, 21V, 2.02A, 17V, 1.78A.
According to the analysis to the energy-conservation consumption of each makeup ring of wireless network line sensor network node, this Control System Design requires to satisfy the power supply requirement of each module of node, is respectively 3.3V/63mA, 5V, 24V/40mA; Electric energy initially derive from solar panel, require the power consumption of control system own lower, to improve the efficient of whole system.The design of this control system mainly is made up of power electronics charging and voltage stabilizing circuit and system master system device and peripheral circuit thereof, based on the power consumption requirement, selects the master controller of super low power consuming single chip processor MSP430F147 as system; Power electronics charging and voltage stabilizing circuit divides forward and backward two-stage, and prime is to be the BUCK reduction voltage circuit of core with metal-oxide-semiconductor 7416 and drive circuit thereof, and the back level is 5V, 3.3V voltage stabilizing circuit, 24V booster circuit and power supply out gate control circuit; Wherein microcontroller circuit realizes and being connected of other functional circuits that by its input/output port the A/D input port is realized the storage battery sampled measurements; Voltage-stabilized power supply circuit is adjusted into 3.3V and 5V voltage with the 12V direct voltage, to microprocessor and external load power supply; Charge switch circuit is connected with microprocessor P1 mouth by a control line, and by processor internal hardware PWM module output pwm control signal, solar cell is connected with charge switch circuit with switch by protective tube with the storage battery interface circuit.
Described electric power supply control system support comprises solar panel supporting seat, main body bar and grounding assembly three parts, and adopts Steel Structural Design; Between described solar panel supporting seat and the main body bar, between each section main body bar, between main body bar and the grounding assembly all by being threaded.In the specific implementation process, solar module is installed on the ground, at first to accomplish fluently firm ground, remake support Design then; The used support of this system comprises solar panel supporting seat, main body bar and grounding assembly three parts composition, and major part is a steel construction all, and the setting height(from bottom) from the lower end to the upper end is that the 1.4m-2.9m segmentation is adjustable, is respectively 1.4m, 1.9m, 2.4m, 2.9m.Rack surface plastic-blasting thickness 〉=100um, adhesive force reaches the GB9286880 level, and smooth surface adopts the outdoor weather resistance material.A solar panel is installed with 4 M8 bolts, nut and supporting seat.Supporting seat removes angle regulator employing bolt, nut is fastening, and remainder is welding, and the weld flush part is not more than ± 1mm with the smooth error of main body.The first of supporting seat is the square formation inclination-angle regulating device, so that photovoltaic arrays receives the energy of more sun at different environment for use lower surfaces, adjusting device is that rotate along the deep-slotted chip breaker on the web in the center of circle with the fulcrum, adjust to after the suitable angle by 4 M 8 bolts, nut fasteningly, adjusting angle is 30 °-60 °.The supporting seat second portion is that node, system controller, transducer and energy storage device lay case, and two-layer about dividing, network node, system controller and energy storage device are placed in the upper strata, and corresponding size is 140mm * 140mm * 160mm; Lower floor is used to install the difference in functionality transducer, and corresponding size is 140mm * 140mm * 90mm.Between supporting seat and main body bar, each section main body bar, main body bar and grounding assembly be all by being threaded; The main body bar is a steel construction, is divided into three sections, and length is respectively 1000mm * 2 and 500mm * 1, can realize that the segmentation of supporting structure height is adjustable.Grounding assembly is made up of the circular base plate of a R120mm * 3mm and the pin of three D10mm * 300mm.
Described photovoltaic power supply control system comprises main voltage raising and reducing circuit, be used for the fluctuation voltage of described solar panel output is adjusted into safe voltage, and provide charging voltage stable and safety to energy storage device, provide stable prime supply power voltage for a back level voltage stabilizing booster circuit simultaneously.
In the specific implementation process, the main control circuit of solar powered control system can be made of the MSP430F147 single-chip microcomputer, it is a kind of 16 Flash single-chip microcomputers of super low-power consumption, its internal resource is abundant, memory capacity is big, the FLASH ROM of 32KB+256B and the RAM of 1KB are arranged, 6 I/O ports, an accurate analog comparator, 2 timers with seizure/comparand register, WatchDog Timer in the sheet, 12 high-performance A/D converters of 2 serial communication interfaces and 8 external channels possess the in-system programming ability.Its power consumption is 280 μ A/MIPS when 2.2V, standby response time＜6 μ s.MSP430 operating voltage VDD is set at 3.3V.
The major function of above-mentioned main voltage raising and reducing circuit is the safe voltage that the fluctuation voltage of solar panel output is adjusted into 12.5V-14V, provide relatively stable and safe charging voltage to energy storage device, the voltage stabilizing booster circuit for the back level provides stable prime supply power voltage simultaneously.
Be illustrated in figure 3 as the schematic diagram of the utility model main step-up/step-down circuit that embodiment provides, among Fig. 3: this common electric capacity in circuit mountain, form by electrode capacitance, resistance, triode, light-emitting diode, inductance, metal-oxide-semiconductor field effect transistor, the effect of field effect transistor is equivalent to switch, the folding of being controlled field effect transistor by the PWM ripple reaches the effect of controlling the entire circuit folding, during charging, light-emitting diode is bright, and when stopping to charge, light-emitting diode extinguishes.
In specific design, also be parallel with farad capacitor at the solar panel output, steady to guarantee the solar cell output voltage, by solar cell output voltage, battery tension and charge in batteries electric current are sampled, solar array voltage is as feed-forward control signals, and battery tension is as feedback control signal, regulates the charging voltage that the PWM duty of BUCK circuit is recently regulated storage battery, and then realize accumulator super-charge and overvoltage charging is avoided in charge in batteries control.The terminal voltage of using MSP430F147 fuzzy microcontroller pid algorithm to regulate storage battery realizes intelligent accummulator charging control and charge-discharge energy management.
Described solar powered control system also comprises the voltage stabilizing chip of LM2576 series, and its work is simply efficient, has the current load ability of 3A, and input voltage range is big, especially is fit to be applied to the energy management of photovoltaic system.Here select for use LM2576D2T-5.0 voltage stabilizing chip that the direct voltage of input is adjusted to 5V, Smoke Sensor carries out preheating.Total output current is 1000mA, and wherein main control chip, LED demonstration and 3.3V voltage stabilizing chip consume about 560mA altogether, and externally power supply capacity is 440mA in theory.
Described solar powered control system also adopts the DC-DC converter of MC34063AD as the 12V/24V voltage conversion circuit, the 12V voltage transitions of in the future autonomous voltage raising and reducing circuit is the needed 24V operating voltage of infrared ray flame detector, integrated oscillator in the MC34063AD, efficient is high and heat radiation is few, does not need to add heat abstractor usually.In the outside resistive feedback circuit that inserts of MC34063AD, to obtain required voltage output, the resistance of resistance can be calculated according to the voltage transformation formula of DC-DC Switching Power Supply in the feedback circuit.
In addition, described electric supply installation also comprises energy storage device, described energy storage device comprises lithium ion battery group and super capacitor module, be used for when sunshine amount reduces or do not generate electricity night, replenishing the power of load request, and when system's generated output sharply descends, play cushioning effect, to guarantee the stable of voltage.In the specific implementation process, the major function of this energy storage device is to replenish the power of load request when sunshine amount reduces or do not generate electricity night, and when system's generated output sharply descended, energy storage device played cushioning effect, guaranteed the stable of voltage.Compare with other rechargeable batteries, lithium ion battery has the operating voltage height, capacity is big, volume is little, the advantage of in light weight, the high uniqueness of specific energy, makes it become the first-selection of wireless sensor network energy storage device.According to analysis to the energy-conservation consumption of each makeup ring of wireless sensor network node, the lithium battery group of selected 12V 4.5A/h.Select the accessory power supply of ultracapacitor, the energy that electric power supply control system produced is stored with fast speeds, and discharge according to designing requirement as electric power supply control system.4 5.5V/1.0F that this system selects for use certain company to produce form the 22V/0.25F capacitance module.Its single capacitor product is of a size of diameter 20mm, high 7mm.
In addition, the control that discharges and recharges of energy storage device comprises that mainly level of charge judges, the automatic conversion from the discharge condition to the charged state, the automatic conversion of each stage model that charges and stop filling aspect such as control.Discharge and recharge control and adopt pulse-width modulation (PWM) type charge control method, along with being full of of energy storage device, electric current reduces gradually, and the storage battery part is for the requirement of charging process in the equality circuit.The switching device of PWM charge controller is selected power field effect transistor (MOSFET) for use.
In addition, in the specific implementation process, this electric supply installation adopts cascade control system, to core power supply output carrying out voltage stabilizing, reduces the influence of prime input solar cell panel voltages fluctuation to back level output by the two-stage voltage stabilizing circuit.
This electric supply installation can also adopt two π filtering techniques.At power output end, adopt two π electric source filter circuits, the ripple voltage coefficient is reduced in the 20mV, realize pure power supply output.
Described electric supply installation is applied to the mother baby plate design in the Hardware Design of this device, reduces the volume of device, improves the stability of system.Specifically, this electric supply installation carries out layering on overall structure, divides two-layer according to signal characteristic, one deck is the signal controlling module, another layer is an energy supply control module, realizes that signal section and power control part divide separating physically, reduce interference between the two.
In addition, this electric supply installation also is applied to Fuzzy PID Control Technique in the charging control of native system, and based on the fuzzy control of battery charging and discharging curve, intelligence is regulated charging voltage, improves capacity usage ratio to greatest extent, also keeps the stable of discharge voltage simultaneously.
This electric supply installation is also introduced battery life and is detected, the discharge curve of monitoring energy-storage battery, and in the counting cell life-span, initiatively indicating battery is aging, improves the stability of system.
This electric supply installation has also designed the super low-power consumption switching circuit, and externally fed is carried out switch control, and the conventional switch mode adopts relay more, and reliability is low, and power consumption is big, usually more than 10mA.In the specific implementation, can adopt 2SC3356 high-frequency triode and APM2322 high-performance metal-oxide-semiconductor to form switching circuit, quiescent dissipation is lower than 10uA.
In sum, by this electric supply installation, can be the wireless sensor network node continued power, and by to the control that discharges and recharges control and system's power supply strategy of energy storage device etc., make solar photovoltaic powered control system no matter in high light still is low light environment, can both guarantee stability to the sensor node power supply.
The above; it only is the preferable embodiment of the utility model; but protection range of the present utility model is not limited thereto; anyly be familiar with those skilled in the art in the technical scope that the utility model discloses; the variation that can expect easily or replacement all should be encompassed within the protection range of the present utility model.Therefore, protection range of the present utility model should be as the criterion with the protection range of claims.
Claims (4)
1. a radio node solar power supply apparatus is characterized in that, described electric supply installation comprises solar panel, electric power supply control system support and photovoltaic power supply control system, wherein:
Described solar panel adopts the polysilicon solar cell plate;
Described electric power supply control system support comprises solar panel supporting seat, main body bar and grounding assembly three parts, and adopts Steel Structural Design; Between described solar panel supporting seat and the main body bar, between each section main body bar, between main body bar and the grounding assembly all by being threaded;
Described photovoltaic power supply control system comprises main voltage raising and reducing circuit, be used for the fluctuation voltage of described solar panel output is adjusted into safe voltage, and provide charging voltage stable and safety to energy storage device, provide stable prime supply power voltage for a back level voltage stabilizing booster circuit simultaneously.
2. electric supply installation as claimed in claim 1 is characterized in that, is parallel with farad capacitor at described solar panel output, and is steady with the voltage that guarantees solar panel output.
3. electric supply installation as claimed in claim 1 is characterized in that described electric supply installation also comprises energy storage device, and described energy storage device comprises lithium ion battery group and super capacitor module.
4. electric supply installation as claimed in claim 1, it is characterized in that, described electric supply installation carries out layering on overall structure, divide two-layer according to signal characteristic, one deck is the signal controlling module, another layer is an energy supply control module, realizes that signal section and power control part divide separating physically, reduce interference between the two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205672731U CN201887683U (en) | 2010-10-11 | 2010-10-11 | RN solar power supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205672731U CN201887683U (en) | 2010-10-11 | 2010-10-11 | RN solar power supply device |
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| CN201887683U true CN201887683U (en) | 2011-06-29 |
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| CN2010205672731U Expired - Fee Related CN201887683U (en) | 2010-10-11 | 2010-10-11 | RN solar power supply device |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102684244A (en) * | 2011-12-10 | 2012-09-19 | 河南科技大学 | Wireless sensor network node power system based on vibrating mechanical energy |
| CN103166252A (en) * | 2011-12-09 | 2013-06-19 | 中国科学院深圳先进技术研究院 | Power supply device for wireless sensor network nodes |
| CN105071743A (en) * | 2015-07-23 | 2015-11-18 | 昆明理工大学 | Field wireless sensor embedded real-time control charging device |
| CN106532895A (en) * | 2016-11-30 | 2017-03-22 | 陈伟杰 | Supercapacitor battery-based photovoltaic charging management circuit |
| CN107070373A (en) * | 2017-03-08 | 2017-08-18 | 深圳市奈士迪技术研发有限公司 | A kind of intelligent photovoltaic electricity generation system being easily installed |
| CN108565946A (en) * | 2018-02-08 | 2018-09-21 | 深圳市遨捷智能科技有限公司 | A kind of offline mode solar panels structure optimization water-proofing composition power supply |
| CN112217469A (en) * | 2020-10-16 | 2021-01-12 | 南京蓝芯电力技术有限公司 | Electric power monitoring sensor based on shimmer is got electricity |
| CN112950883A (en) * | 2021-03-09 | 2021-06-11 | 肇庆学院 | Forest fire comprehensive monitoring and management system based on wireless sensor network |
-
2010
- 2010-10-11 CN CN2010205672731U patent/CN201887683U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166252A (en) * | 2011-12-09 | 2013-06-19 | 中国科学院深圳先进技术研究院 | Power supply device for wireless sensor network nodes |
| CN102684244A (en) * | 2011-12-10 | 2012-09-19 | 河南科技大学 | Wireless sensor network node power system based on vibrating mechanical energy |
| CN102684244B (en) * | 2011-12-10 | 2014-06-04 | 河南科技大学 | Wireless sensor network node power system based on vibrating mechanical energy |
| CN105071743A (en) * | 2015-07-23 | 2015-11-18 | 昆明理工大学 | Field wireless sensor embedded real-time control charging device |
| CN106532895A (en) * | 2016-11-30 | 2017-03-22 | 陈伟杰 | Supercapacitor battery-based photovoltaic charging management circuit |
| CN107070373A (en) * | 2017-03-08 | 2017-08-18 | 深圳市奈士迪技术研发有限公司 | A kind of intelligent photovoltaic electricity generation system being easily installed |
| CN107070373B (en) * | 2017-03-08 | 2018-11-27 | 浙江电腾云光伏科技有限公司 | A kind of intelligent photovoltaic electricity generation system being easily installed |
| CN108565946A (en) * | 2018-02-08 | 2018-09-21 | 深圳市遨捷智能科技有限公司 | A kind of offline mode solar panels structure optimization water-proofing composition power supply |
| CN108565946B (en) * | 2018-02-08 | 2021-09-14 | 深圳市遨捷智能科技有限公司 | Waterproof combined power supply of flight mode solar panel structural optimization |
| CN112217469A (en) * | 2020-10-16 | 2021-01-12 | 南京蓝芯电力技术有限公司 | Electric power monitoring sensor based on shimmer is got electricity |
| CN112950883A (en) * | 2021-03-09 | 2021-06-11 | 肇庆学院 | Forest fire comprehensive monitoring and management system based on wireless sensor network |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20111011 |