CN206595757U - A kind of off-network intelligent Charge-control System - Google Patents
A kind of off-network intelligent Charge-control System Download PDFInfo
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- CN206595757U CN206595757U CN201720134391.5U CN201720134391U CN206595757U CN 206595757 U CN206595757 U CN 206595757U CN 201720134391 U CN201720134391 U CN 201720134391U CN 206595757 U CN206595757 U CN 206595757U
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- Prior art keywords
- battery
- microcontroller
- control system
- converters
- intelligent charge
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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
Abstract
The utility model discloses a kind of off-network intelligent Charge-control System, including photovoltaic battery array, input filter module, DC/DC converters, output filter module, battery, drive circuit, clock chip, illuminance sensor and microcontroller, the photovoltaic battery array, input filter module, DC/DC converters, output filter module and battery are sequentially connected, the photovoltaic battery array, battery, clock chip and illuminance sensor also connect the microcontroller simultaneously, and the microcontroller also connects the DC/DC converters by the drive circuit.The utility model is by combining calendar clock chip, the latitude and longitude coordinates and illuminance sensor of the work of off-network intelligent Charge-control System detect the irradiation level of the sun in real time, improve the reliability and stability of maximal power tracing, requirement of the same system to solar components capacity is reduced, cost is controlled.
Description
Technical field
The utility model is related to photovoltaic art, more particularly to a kind of off-network intelligent Charge-control System.
Background technology
In recent years, implacable lance is constituted between ever-increasing energy demand and energy resources increasingly in short supply
Shield, therefore the hot issue paid close attention into various circles of society of development and utilization of regenerative resource, therefore, current off-network intelligent charge
Controller is widely used.
But, due to the nonlinear operation characteristic of solar components, when the environmental condition such as illumination and temperature changes,
The volt-ampere output characteristics of solar components can change, and cause maximum power point during its work to change constantly in fact,
The power supply that namely equivalent to one internal resistance moment changes with conditions such as illumination and temperature.When solar components are straight
When being connected on battery two ends or battery being charged using the common PWM mode in market, solar components are in big portion
Non- maximum power point is would operate between timesharing, causes extremely valuable illumination resource to be wasted, the overall electricity of system is reduced
Can conversion efficiency.Therefore, during photovoltaic system works, the tracking for carrying out solar components peak power just seems very
It is important.
And the MPPT controller of solar maximum power point tracking is carried out at present, increased using single method of perturbation or conductance
Amount method carries out the tracking of solar components maximum power point, to improve the charge efficiency of battery, serves certain effect, but
Due to the shortcomings and deficiencies that tracing algorithm exists in itself, there is the possibility for having erroneous judgement step-out during maximal power tracing.
Thus prior art could be improved and improve.
Utility model content
In view of in place of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of off-network intelligent charge control
Device processed, for solving the problem of current solar components MPPT maximum power point tracking is difficult.
In order to achieve the above object, the utility model takes following technical scheme：
A kind of off-network intelligent Charge-control System, including：
For the photovoltaic battery array for receiving sunshine and converting solar energy into electrical energy；
For the input filter module being filtered to the electric current that photovoltaic battery array is exported；
For the DC/DC converters of the photovoltaic conversion that exports photovoltaic battery array for the charging voltage needed for battery；
For the output filter module being filtered to the electric current that DC/DC converters are exported；
Battery for powering load；
Drive circuit for driving the DC/DC converters；
Clock chip for gathering real-time time；
For the illuminance sensor for the irradiation level for gathering the sun；
Handled for the data to collection, send control signal to the drive circuit and manage the battery and enter
The microcontroller of row discharge and recharge；
The photovoltaic battery array, input filter module, DC/DC converters, output filter module and battery connect successively
Connect, the photovoltaic battery array, battery, clock chip and illuminance sensor also connect the microcontroller simultaneously, described
Microcontroller also connects the DC/DC converters by the drive circuit.
In described off-network intelligent Charge-control System, the microcontroller is the monolithic of a model STC12C5A60S2
Machine.
In described off-network intelligent Charge-control System, the model DS1302 of the clock chip.
In described off-network intelligent Charge-control System, the model BH1750FVI of the illuminance sensor.
Described off-network intelligent Charge-control System also includes：For showing battery current dump energy and the sun in real time
The liquid crystal display of irradiation level, the liquid crystal display connects the microcontroller.
Described off-network intelligent Charge-control System also includes：The SD card for the historical data run for storage control, institute
State SD card and connect the microcontroller.
A kind of off-network intelligent Charge-control System provided compared to prior art, the utility model, includes using by setting
In the photovoltaic battery array for receiving sunshine and converting solar energy into electrical energy；Input filter module；DC/DC converters；Output
Filtration module；Battery；Drive circuit for driving the DC/DC converters；Clock chip for gathering real-time time；
For the illuminance sensor for the irradiation level for gathering the sun；Handled for the data to collection, send control signal to institute
State drive circuit and manage the microcontroller that the battery carries out discharge and recharge；The photovoltaic battery array, input filter module,
DC/DC converters, output filter module and battery are sequentially connected, the photovoltaic battery array, battery, clock chip and light
Illuminance transducer also connects the microcontroller simultaneously, and the microcontroller also connects the DC/DC by the drive circuit
Converter.The utility model is by combining calendar clock chip, the latitude and longitude coordinates and light of the work of off-network intelligent Charge-control System
Illuminance transducer detects the irradiation level of the sun in real time, makes maximal power tracing essence of the controller in the solar components course of work
Du Genggao, improves the reliability and stability of maximal power tracing, so that single watt of fan-out capability of solar components is improved,
Requirement of the same system to solar components capacity is reduced, cost is controlled.And the accumulator cell charging and discharging management after improving
Algorithm policy causes efficiency for charge-discharge to improve, and extends the life-span of battery.
Brief description of the drawings
Fig. 1 is the structured flowchart of off-network intelligent Charge-control System provided by the utility model.
Embodiment
The utility model provides a kind of off-network intelligent Charge-control System, for make the purpose of this utility model, technical scheme and
Effect is clearer, clear and definite, and the utility model is further described the embodiment that develops simultaneously referring to the drawings.It should be appreciated that
Specific embodiment described herein only to explain the utility model, is not used to limit the utility model.
Referring to Fig. 1, a kind of off-network intelligent Charge-control System that the utility model is provided, including photovoltaic battery array 110,
Input filter module 120, DC/DC converters 130, output filter module 140, battery 150, drive circuit 160, clock chip
170th, illuminance sensor 180 and microcontroller 190, the photovoltaic battery array 110, input filter module 120, DC/DC turn
Parallel operation 130, output filter module 140 and battery 150 are sequentially connected, the photovoltaic battery array 110, battery 150, clock
Chip 170 and illuminance sensor 180 also connect the microcontroller 190 simultaneously, and the microcontroller 190 is also driven by described
Dynamic circuit 160 connects the DC/DC converters 130.
Specifically, the photovoltaic battery array 110 is used to receive sunshine and convert solar energy into electrical energy.The light
Volt array 110 combine by multiple solar cells and constituted, and is a kind of to have encapsulation and inner Join, can be provided separately directly
Flow the photovoltaic cell combination unit of electricity output.The input filter module 120 is used for the electric current exported to photovoltaic battery array 110
It is filtered, in practical application, electromagnetic interface filter can be used.The DC/DC converters 130 are used to carry out voltage conversion, by light
The photovoltaic conversion for lying prostrate the output of array 110 is the charging voltage suitable for battery 150, it is to avoid battery 150 is because of charging electricity
Pressure is too high or too low and damages.The output filter module 140 is used to be filtered the electric current that DC/DC converters 130 are exported,
In practical application, EMC wave filters can be used.The battery 150 is used for powering load, what the battery 150 was exported
Electric current is direct current, and the load is DC load, can directly connect battery and be powered.
The photovoltaic battery array 110, input filter module 120, DC/DC converters 130, the and of output filter module 140
Battery 150 is sequentially connected, after the photovoltaic battery array 110 is converted solar energy into electrical energy, by input filter module 120
Be filtered, and by DC/DC converters 130 by photovoltaic conversion for the charging voltage needed for battery 150 after, through output filtering mould
Block 140 is filtered, to battery 150, the battery 150 powering load after charging.
Please continue to refer to Fig. 1, the drive circuit 160 is used to drive the DC/DC converters, in the microcontroller
190 send control signal to after the drive circuit 160, and the driving DC/DC converters of drive circuit 160 work, so as to realize electricity
Pressure conversion.
The clock chip 170 is used to gather real-time time, by gathering specific real-time time, can determine whether out now too
The maximum irradiation level of sun, so that the maximum power point of photovoltaic battery array is determined whether out, during concrete application, the clock core
Piece 170 uses model DS1302 chip.
The illuminance sensor is used for the irradiation level for gathering solar energy, the irradiation level of the now sun is detected in real time, so
After export give the microcontroller 190 carry out algorithm process, so as to further calculate the maximum work of now photovoltaic battery array
Rate point, so as to trace into the peak power of photovoltaic battery array now, improves the efficiency that battery 150 charges, it is to avoid extremely precious
Expensive illumination resource is wasted, during concrete application, and the illuminance sensor 180 uses model BH1750FVI sensing
Device.
Please continue to refer to Fig. 1, the microcontroller 190 is used to handle the data of collection, is specially to collection
Implementation time, the irradiation level of the sun and the longitude and latitude of the intelligent off-network charge controller work pre-set are calculated
Method processing, makes maximal power tracing precision of the controller in the solar components course of work higher.The microcontroller 190
For sending control signal to the drive circuit 160, thus further driving DC/DC converters work, during concrete application, institute
The control interface for stating microcontroller 190 sends control signal.Meanwhile, the microcontroller 190 is additionally operable to manage the battery
Discharge and recharge is carried out, by setting rational accumulator cell charging and discharging strategy, it is to avoid appearance is unreasonable because using, and discharge and recharge is nonstandard to make
The problems such as into battery damage, during concrete application, the microcontroller uses the single-chip microcomputer of a model STC12C5A60S2.
Please continue to refer to Fig. 1, the off-network intelligent Charge-control System also includes a liquid crystal display 200, and the liquid crystal display 200 is used
In the current dump energy of display battery 150 in real time and solar irradiance, it is connected with the microcontroller 190, by setting
Each data of off-network intelligent Charge-control System, all can be reflected on monitored picture, staff can be straight by liquid crystal display 200 in real time
Other related datas of the dump energy for observing that battery 150 is current, solar irradiance and the controller seen, so as to vertical
Cutting stylus is tackled to controller produced problem, it is ensured that the normal operation of controller.
Please continue to refer to Fig. 1, the off-network intelligent Charge-control System also includes SD card 210, and the SD card 210 is used to store
The historical data of controller operation, by the important state in controller running, parameter, abnormal conditions record in SD card 210
In, user is more understood the working characteristics for the low profile photovoltaic autonomous system being made up of controller, further optimize light
Controller product is lied prostrate, its functional reliability is improved, and artificial counting need not be reused, it is convenient and swift.
Please continue to refer to Fig. 1, the off-network intelligent Charge-control System also includes button 220, and the button 220 is used to set
The microcontroller 190, user can directly set each parameter of microcontroller 190 by button, simple and convenient.
In order to be better understood from the utility model, the technical solution of the utility model is elaborated below in conjunction with Fig. 1：
When photovoltaic battery array 110 receives sunshine and converts solar energy into electrical energy, clock chip 160 is gathered currently
Time, while illuminance sensor 170 gathers the irradiation level of the sun, and these data are delivered to advance typing controller work
In the microcontroller 190 of the longitude and latitude of work, the maximum power point of now photovoltaic battery array is tracked out by microcontroller 190, is made
The power for obtaining the output of photovoltaic battery array 110 is maintained at maximum power point, and its electric current exported passes through input filter module 120
After being filtered, drive circuit 130 receives control signal and further drives DC/DC converters 130 to work, and is storage by photovoltaic conversion
Charging voltage needed for battery 150, then after output filter module 140 is filtered, charged to the battery 150.
The microcontroller 190 monitors the electricity of battery 150 in real time simultaneously, passes through the battery charge and discharge pre-set
Electric strategy, control battery 150 carries out discharge and recharge, after the electricity of battery 150 reaches preset value, controls it to supply load
Electricity, when the electricity of battery 150 is less than preset value, control photovoltaic array component 110 charges to battery 150.
In the off-network intelligent Charge-control System course of work, the current residue electricity of battery 150 is shown in real time by liquid crystal display
Amount, solar irradiance and other relevant parameters, and by each data in SD card storage control running.
In summary, this utility model is by combining calendar clock chip, the warp of off-network intelligent Charge-control System work
Latitude coordinate and illuminance sensor detect the irradiation level of the sun in real time, make controller in the solar components course of work most
High-power tracking accuracy is higher, improves the reliability and stability of maximal power tracing, so as to improve solar components
Single watt of fan-out capability, reduces requirement of the same system to solar components capacity, controls cost.And the electric power storage after improving
Pond management of charging and discharging algorithm policy causes efficiency for charge-discharge to improve, and extends the life-span of battery.
It is understood that for those of ordinary skills, can according to the technical solution of the utility model and
The design of its utility model is subject to equivalent substitution or change, and all these changes or replacement should all belong to appended by the utility model
Scope of the claims.
Claims (6)
1. a kind of off-network intelligent Charge-control System, it is characterised in that including：
For the photovoltaic battery array for receiving sunshine and converting solar energy into electrical energy；
For the input filter module being filtered to the electric current that photovoltaic battery array is exported；
For the DC/DC converters of the photovoltaic conversion that exports photovoltaic battery array for the charging voltage needed for battery；
For the output filter module being filtered to the electric current that DC/DC converters are exported；
Battery for powering load；
Drive circuit for driving the DC/DC converters；
Clock chip for gathering real-time time；
For the illuminance sensor for the irradiation level for gathering the sun；
Handled for the data to collection, send control signal to the drive circuit and manage the battery and fill
The microcontroller of electric discharge；
The photovoltaic battery array, input filter module, DC/DC converters, output filter module and battery are sequentially connected, institute
Photovoltaic battery array, battery, clock chip and illuminance sensor are stated also while connecting the microcontroller, the microcontroller
Device also connects the DC/DC converters by the drive circuit.
2. off-network intelligent Charge-control System according to claim 1, it is characterised in that the microcontroller is a model
STC12C5A60S2 single-chip microcomputer.
3. off-network intelligent Charge-control System according to claim 1, it is characterised in that the model of the clock chip
DS1302。
4. off-network intelligent Charge-control System according to claim 1, it is characterised in that the model of the illuminance sensor
For BH1750FVI.
5. off-network intelligent Charge-control System according to claim 1, it is characterised in that also include：Stored for showing in real time
The liquid crystal display of the current dump energy of battery and solar irradiance, the liquid crystal display connects the microcontroller.
6. off-network intelligent Charge-control System according to claim 1, it is characterised in that also include：For storage control
The SD card of the historical data of operation, the SD card connects the microcontroller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720134391.5U CN206595757U (en) | 2017-02-15 | 2017-02-15 | A kind of off-network intelligent Charge-control System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720134391.5U CN206595757U (en) | 2017-02-15 | 2017-02-15 | A kind of off-network intelligent Charge-control System |
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| Publication Number | Publication Date |
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| CN206595757U true CN206595757U (en) | 2017-10-27 |
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ID=60127878
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| CN201720134391.5U Active CN206595757U (en) | 2017-02-15 | 2017-02-15 | A kind of off-network intelligent Charge-control System |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11444473B2 (en) | 2019-10-15 | 2022-09-13 | Inventus Holdings, Llc | Dynamic battery charging for maximum wind/solar peak clipping recapture |
-
2017
- 2017-02-15 CN CN201720134391.5U patent/CN206595757U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11444473B2 (en) | 2019-10-15 | 2022-09-13 | Inventus Holdings, Llc | Dynamic battery charging for maximum wind/solar peak clipping recapture |
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