CN103138304A - Solar energy charging system of storage battery - Google Patents
Solar energy charging system of storage battery Download PDFInfo
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- CN103138304A CN103138304A CN2011103850131A CN201110385013A CN103138304A CN 103138304 A CN103138304 A CN 103138304A CN 2011103850131 A CN2011103850131 A CN 2011103850131A CN 201110385013 A CN201110385013 A CN 201110385013A CN 103138304 A CN103138304 A CN 103138304A
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- storage battery
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The invention provides a solar energy charging system of a storage battery. The solar energy charging system of the storage battery comprises a solar battery square matrix, an output drive module, a microprocessor and a pulse-width modulation (PWM) charging controller, wherein the solar battery square matrix is used for directly converting solar radiation energy to electric energy according to a photoelectricity principle, and the electric energy is output sequentially through a blocked diode and a resistor potential divider network, sampled by a solar battery voltage sampling module and input into the microprocessor. The output drive module receives the output of the microprocessor and provides a drive pulse. When voltage of a storage battery is larger than voltage at a predetermined point, charging is in slow charging stage according to a duty ratio of a power pipe. The microprocessor is used for processing a solar battery voltage collection module and a storage battery voltage collection module. Collection of voltage values is finished. The width of charging pulse of the storage battery is controlled. According to the solar energy charging system of the storage battery, the PWM charging controller is adopted, an optimal charging electric current and voltage are provided for the storage battery, the storage battery can be charged rapidly, stably and efficiently, and meanwhile the storage battery is protected and an over-charging phenomenon is prevented from occurring.
Description
Technical field
The present invention relates to a kind of solar recharging system of storage battery.
Background technology
Along with science and technology ground with rapid changepl. never-ending changes and improvements develop rapidly, to the demand of the energy also in continuous growth, along with the exhaustion day by day of fossil fuel and the continuous deterioration of global environment, the critical shortage situation has appearred in the supply of traditional energy (as coal, oil, natural gas etc.), and the mankind turn to renewable resource with sight.
Solar energy is as a kind of novel green regenerative energy sources, comparing with other new forms of energy and utilizing maximum is optimal renewable resource, particularly nearly decades, along with the continuous progress of science and technology, solar energy and related industry thereof become one of the fastest industry of world development.The Application of Solar Energy of China is started late, but development speed is very fast.China's photovoltaic industry has been brought into play important effect in the living standard that satisfies domestic market needs and the outlying areas without electricity people of raising and special industry application.But, also have sizable gap compared with developed countries.At first, the production scale of China is smaller, and automatization level is lower; Secondly, special-purpose raw material degree domestic is not high yet.Therefore, China's photovoltaic industry still is faced with very acid test on market at home and abroad.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art; the object of the present invention is to provide a kind of solar recharging system of storage battery; adopt the PWM charge controller to provide best charging current and voltage for storage battery; fast, steadily, be efficiently charge in batteries; protect simultaneously storage battery, the generation of the phenomenon of avoiding overcharging.
To achieve these goals, the technical solution used in the present invention is:
A kind of solar recharging system of storage battery comprises:
Solar cell array utilizes photovoltaic principals that solar radiant energy directly is converted to electric energy, and it is exported successively after blocking diode and resistance pressure-dividing network, by solar cell voltage sample module samples input microprocessor;
The output driver module connects the output of microprocessor, and driving pulse is provided, and during greater than the voltage of set point, according to the duty ratio of power tube, charging enters the trickle charge stage when the voltage of storage battery;
Microprocessor is processed solar cell voltage acquisition module and battery tension acquisition module, completes the collection of voltage data, controls the charging pulse width of storage battery;
The PWM charge controller is connected to form as main control chip and described solar cell voltage sample module, described battery tension sampling module, described output driver module and clock circuit module by described microprocessor.
Described PWM charge controller has adopted chopped mode PWM principle, and in two stages, the phase I, second stage was PWM stage (the trickle charge stage) in order to fill the stage soon.Detect the charging end voltage of storage battery, the battery tension that detection is obtained, with the set point voltage ratio, if less than given voltage, the chopper all-pass charges a battery rapidly; Greater than given voltage, according to the duty ratio of ratio Modulating Power pipe, charging enters the trickle charge stage, improves charge characteristic, prevents overshoot when the voltage of storage battery.
Described display module is completed the LED Presentation Function, determines the state of system's output.
Described resistance pressure-dividing network is to provide certain sample voltage value by electric resistance partial pressure for system.
The invention has the beneficial effects as follows:
1. reasonable in design, simple in structure and the circuit part line is simple;
2. blocking diode is serially connected in and plays the one-way conduction effect in the solar cell array circuit, and his purpose is the recoil circulation that prevents electric current;
3. the present invention designs and has adopted the PWM charge controller to adopt chopped mode PWM principle, and in two stages, the phase I, second stage was PWM stage (the trickle charge stage) in order to fill the stage soon.Detect the charging end voltage of storage battery, the battery tension that detection is obtained, with the set point voltage ratio, if less than given voltage, the chopper all-pass charges a battery rapidly; Greater than given voltage, according to the duty ratio of ratio Modulating Power pipe, charging enters the trickle charge stage, improves charge characteristic, prevents from overcharging when the voltage of storage battery.
In sum, the present invention is reasonable in design, simple in structure, when solution solar energy charges a battery, charging process is divided into fills soon and keep and fill two sections, prevents from entering the state of overcharging, and charges a battery thereby effectively utilize solar energy to complete.
Description of drawings
Accompanying drawing is schematic diagram of the present invention.
Embodiment
Below in conjunction with drawings and Examples, the present invention is described in further details.
As shown in drawings, the present invention is a kind of solar recharging system of storage battery, comprising:
Solar cell array utilizes photovoltaic principals that solar radiant energy directly is converted to electric energy, and it is exported successively after blocking diode and resistance pressure-dividing network, by solar cell voltage sample module samples input microprocessor;
The output driver module connects the output of microprocessor, and driving pulse is provided, and during greater than the voltage of set point, according to the duty ratio of power tube, charging enters the trickle charge stage when the voltage of storage battery;
Microprocessor is processed solar cell voltage acquisition module and battery tension acquisition module, completes the collection of voltage data, controls the charging pulse width of storage battery;
The PWM charge controller is connected to form as main control chip and described solar cell voltage sample module, described battery tension sampling module, described output driver module and clock circuit module by described microprocessor.
Described PWM charge controller has adopted chopped mode PWM principle, and in two stages, the phase I, second stage was PWM stage (the trickle charge stage) in order to fill the stage soon.Detect the charging end voltage of storage battery, the battery tension that detection is obtained, with the set point voltage ratio, if less than given voltage, the chopper all-pass charges a battery rapidly; Greater than given voltage, according to the duty ratio of ratio Modulating Power pipe, charging enters the trickle charge stage, improves charge characteristic, prevents from overcharging when the voltage of storage battery.Described display module is completed the LED Presentation Function, determines the state of system's output.Described resistance pressure-dividing network is to provide certain sample voltage value by electric resistance partial pressure for system.
The course of work of the present invention is: at first, solar cell array utilizes photoelectricity transformation principle solar radiation directly to be converted to the equipment of electric energy; Then, resistance pressure-dividing network provides certain sample voltage value by electric resistance partial pressure for system, and solar cell voltage sample module is completed the sampling of solar array voltage, and the battery tension sampling module is completed the sampling of battery tension, and sends in microprocessor; At last, microprocessor is completed the collection of voltage, controls the pulse duration of storage battery, detects the charging end voltage of storage battery, the battery tension that detection is obtained, with the set point voltage ratio, if less than given voltage, the chopper all-pass charges a battery rapidly; Greater than given voltage, according to the duty ratio of ratio Modulating Power pipe, charging enters the trickle charge stage, improves charge characteristic, prevents from overcharging when the voltage of storage battery.
The above; only embodiments of the invention; be not that the present invention is imposed any restrictions, every any simple modification, change and equivalent structure of above embodiment being done according to the technology of the present invention essence changes, and all still belongs in the protection range of technical solution of the present invention.
Claims (1)
1. the solar recharging system of a storage battery, is characterized in that, comprising:
Solar cell array utilizes photovoltaic principals that solar radiant energy directly is converted to electric energy, and it is exported successively after blocking diode and resistance pressure-dividing network, by solar cell voltage sample module samples input microprocessor;
The output driver module connects the output of microprocessor, and driving pulse is provided, and during greater than the voltage of set point, according to the duty ratio of power tube, charging enters the trickle charge stage when the voltage of storage battery;
Microprocessor is processed solar cell voltage acquisition module and battery tension acquisition module, completes the collection of voltage data, controls the charging pulse width of storage battery;
The PWM charge controller is connected to form as main control chip and described solar cell voltage sample module, described battery tension sampling module, described output driver module and clock circuit module by described microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103850131A CN103138304A (en) | 2011-11-28 | 2011-11-28 | Solar energy charging system of storage battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103850131A CN103138304A (en) | 2011-11-28 | 2011-11-28 | Solar energy charging system of storage battery |
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| CN103138304A true CN103138304A (en) | 2013-06-05 |
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| CN2011103850131A Pending CN103138304A (en) | 2011-11-28 | 2011-11-28 | Solar energy charging system of storage battery |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595111A (en) * | 2013-10-29 | 2014-02-19 | 江苏绿扬电子仪器集团有限公司 | Charging system using pulse width modulation signal to control storage battery |
| CN107461632A (en) * | 2016-06-01 | 2017-12-12 | 常州星宇车灯股份有限公司 | A kind of automobile mounted portable LED flashlight lamp of charging |
| CN109245235A (en) * | 2018-10-31 | 2019-01-18 | 北京汉能光伏投资有限公司 | A kind of charging method of multi-battery charging system and more batteries |
-
2011
- 2011-11-28 CN CN2011103850131A patent/CN103138304A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103595111A (en) * | 2013-10-29 | 2014-02-19 | 江苏绿扬电子仪器集团有限公司 | Charging system using pulse width modulation signal to control storage battery |
| CN107461632A (en) * | 2016-06-01 | 2017-12-12 | 常州星宇车灯股份有限公司 | A kind of automobile mounted portable LED flashlight lamp of charging |
| CN109245235A (en) * | 2018-10-31 | 2019-01-18 | 北京汉能光伏投资有限公司 | A kind of charging method of multi-battery charging system and more batteries |
| CN109245235B (en) * | 2018-10-31 | 2022-05-27 | 东君新能源有限公司 | Multi-battery charging system and multi-battery charging method |
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Application publication date: 20130605 |