CN103208948A - Dual-purpose load-independent photovoltaic power generation system - Google Patents
Dual-purpose load-independent photovoltaic power generation system Download PDFInfo
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- CN103208948A CN103208948A CN2013101173198A CN201310117319A CN103208948A CN 103208948 A CN103208948 A CN 103208948A CN 2013101173198 A CN2013101173198 A CN 2013101173198A CN 201310117319 A CN201310117319 A CN 201310117319A CN 103208948 A CN103208948 A CN 103208948A
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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
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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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Abstract
The invention discloses a dual-purpose load-independent photovoltaic power generation system. The dual-purpose load-independent photovoltaic power generation system comprises a photovoltaic panel, a photovoltaic controller, an energy storage device, an inverter and a working state display device, wherein the photovoltaic panel is connected with the photovoltaic controller; the photovoltaic controller is connected with the energy storage device; the photovoltaic controller is also connected with the working state display device and a direct-current load; the input end of the inverter is connected with the photovoltaic controller; and the output end of the inverter is connected with an alternating-current load. The dual-purpose load-independent photovoltaic power generation system is simple in structure, convenient to use and low in cost, can supply electric power to two different loads at the same time, and can be used in the field of families, communication, traffic and the like in remote areas without electricity.
Description
Technical field
The present invention relates to a kind of photovoltaic power generation technology field, relate in particular to a kind of freestanding dual-purpose load photovoltaic generating system technology.
Background technology
Solar energy is subjected to people's favor as a kind of regenerative resource not to the utmost that continues forever, cleans, uses.Photovoltaic generation is to utilize photovoltaic effect, when solar irradiation on the semiconductor p-n junction, form new hole-duplet, under the p-n junction effect of electric field, the hole flows to the p district by the n district, electronics flows to the n district by the p district, just forms electric current after connecting circuit.Photovoltaic generating system provides a kind of safe, cleaning, free of contamination electric energy; also alleviated energy crisis; at present; the electricity that photovoltaic generating system on the market provides or direct current; alternating current exists supply power mode single, the mode that adopts directly charging with the power storage changed in storage battery; cause charging and discharging of accumulator protection deficiency, the electric energy conversion ratio is low.
Summary of the invention
The object of the present invention is to provide and a kind ofly can satisfy dissimilar load needs for electricity simultaneously, to the charging and discharging of accumulator management of science in addition, can luminous energy be converted into power storage in storage battery with higher conversion ratio, satisfy the unequally loaded demand.
For achieving the above object, the present invention is achieved by the following technical solutions.
A kind of dual-purpose load independent photovoltaic generating system comprises photovoltaic battery panel, photovoltaic controller, energy accumulating device, operating status display apparatus and inverter; Photovoltaic battery panel connects photovoltaic controller, and photovoltaic controller connects energy accumulating device; Photovoltaic controller also connects operating status display apparatus and DC load; The inverter input connects photovoltaic controller, and output connects AC load.
Described photovoltaic controller is made up of charge-discharge circuit, sample circuit, testing circuit, PWM output port, indicating circuit and protective circuit; charge and discharge circuit and be connected in photovoltaic battery panel, energy accumulating device, inverter and DC load; also link to each other with the PWM output port; sample circuit is connected in photovoltaic battery panel and energy accumulating device; alternating current-direct current load and testing circuit and protective circuit with link to each other, indicating circuit links to each other with operating status display apparatus.
Described energy accumulating device refers to storage battery.
Described inverter refers to that direct current delivers stream (DC-AC) inverter.
Described operating status display apparatus refers to the LCD liquid crystal.
The invention has the beneficial effects as follows: the invention provides a kind of electric energy that can satisfy different loads type demand simultaneously, to the charging and discharging of accumulator management of science in addition, luminous energy effectively is converted into electric energy and is stored in the energy storing device, satisfied the demand of load, stability and the reliability of power supply have been guaranteed, this system configuration is simple simultaneously, and cost is low, and is easy to operate.
Description of drawings
Fig. 1 is the control structure figure of system of the present invention.
Fig. 2 is PWM charging flow figure of the present invention.
Embodiment
The invention will be further elaborated below in conjunction with accompanying drawing embodiment.
As shown in Figure 1 and Figure 2, a kind of dual-purpose load independent photovoltaic generating system comprises photovoltaic battery panel, photovoltaic controller, energy accumulating device, operating status display apparatus and inverter; Photovoltaic battery panel connects photovoltaic controller, and photovoltaic controller connects energy accumulating device; Photovoltaic controller also connects operating status display apparatus and DC load; The inverter input connects photovoltaic controller, and output connects AC load.Photovoltaic controller is by charge-discharge circuit, sample circuit, testing circuit, PWM(Pulse Width Modulation; the abbreviation pulse-width modulation) output port, indicating circuit and protective circuit are formed; charge and discharge circuit and be connected in photovoltaic battery panel, energy accumulating device, inverter and DC load; also link to each other with the PWM output port; sample circuit is connected in photovoltaic battery panel and energy accumulating device; alternating current-direct current load and testing circuit and protective circuit with link to each other, indicating circuit links to each other with operating status display apparatus.Storage device refers to storage battery, photovoltaic battery panel is converted into electric energy with luminous energy, to the terminal voltage of storage battery and the terminal voltage sampling analysis of photovoltaic battery panel, judge that storage battery is to be in full state, under-voltage condition and to cross any state of putting in three kinds of states of state through sample circuit; When storage battery be not be in full state just open charging circuit with the power storage that transforms in storage battery; when storage battery is in critical full state; PWM by PWM port output different weight percentage; accumulators carries out the floating charge of tricklet; the purpose of doing like this is exactly to the in addition management of science of the charging of storage battery, improves charging effect and protection storage battery.Operating status display apparatus refers to the LCD liquid crystal, testing circuit is to photovoltaic battery panel, the working condition of storage battery and load detects, to detect and give indicating circuit after data analysis is handled, after indicating circuit is handled again, show in the display unit in working order, provide photovoltaic battery panel timely, the working condition of storage battery and load for the user.
When storage battery when giving alternating current-direct current load power supply, it is unusual that system detects loaded work piece, during as situations such as short circuit, overcurrents, protective circuit will automatically shut down alternating current-direct current load output, wait unusual removing after, system resumes work again.
Inverter refers to that direct current delivers stream (DC-AC) inverter, when the user use be DC load the time, storage battery directly provides electric energy to use for the user under the effect of photovoltaic controller; When the user use be AC load the time, this moment will through inverter be that alternating current uses for the user with the dc inverter in the storage battery.
Claims (5)
1. a dual-purpose load independent photovoltaic generating system is characterized in that: comprise photovoltaic battery panel, photovoltaic controller, energy accumulating device, operating status display apparatus and inverter; Photovoltaic battery panel connects photovoltaic controller, and photovoltaic controller connects energy accumulating device; Photovoltaic controller connects operating status display apparatus and DC load; The inverter input connects photovoltaic controller, and output connects AC load.
2. a kind of dual-purpose load independent photovoltaic generating system according to claim 1; it is characterized in that: described photovoltaic controller is made up of charge-discharge circuit, sample circuit, testing circuit, PWM output port, indicating circuit and protective circuit; charge and discharge circuit and be connected in photovoltaic battery panel, energy accumulating device, inverter and DC load; also link to each other with the PWM output port; sample circuit is connected in photovoltaic battery panel and energy accumulating device; alternating current-direct current load and testing circuit and protective circuit with link to each other, indicating circuit links to each other with operating status display apparatus.
3. a kind of dual-purpose load independent photovoltaic generating system according to claim 1, it is characterized in that: described energy accumulating device refers to storage battery.
4. a kind of dual-purpose load independent photovoltaic generating system according to claim 1 is characterized in that: described inverter refers to that direct current delivers the stream inverter.
5. a kind of dual-purpose load independent photovoltaic generating system according to claim 1, it is characterized in that: described operating status display apparatus refers to the LCD liquid crystal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101173198A CN103208948A (en) | 2013-04-07 | 2013-04-07 | Dual-purpose load-independent photovoltaic power generation system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013101173198A CN103208948A (en) | 2013-04-07 | 2013-04-07 | Dual-purpose load-independent photovoltaic power generation system |
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| CN103208948A true CN103208948A (en) | 2013-07-17 |
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| CN2013101173198A Pending CN103208948A (en) | 2013-04-07 | 2013-04-07 | Dual-purpose load-independent photovoltaic power generation system |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103535219A (en) * | 2013-10-17 | 2014-01-29 | 安徽工程大学 | Solar energy based agricultural greenhouse light supplementing system |
| CN103535218A (en) * | 2013-10-17 | 2014-01-29 | 安徽工程大学 | Solar photovoltaic power generation based automatic light supplementing and watering system of greenhouse |
| CN103595348A (en) * | 2013-11-19 | 2014-02-19 | 安泰科技股份有限公司 | Household photovoltaic intelligent control system |
| CN108879933A (en) * | 2018-08-06 | 2018-11-23 | 上海晶夏新能源科技有限公司 | A kind of novel modularized photovoltaic generating system |
Citations (4)
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| CN102035237A (en) * | 2010-12-10 | 2011-04-27 | 东电(福建)能源科技发展有限公司 | Wind-light-electricity complementary intelligent management system |
| JP2011166918A (en) * | 2010-02-08 | 2011-08-25 | Sanyo Electric Co Ltd | Power supply system |
| CN102364805A (en) * | 2011-10-13 | 2012-02-29 | 东北大学 | Wind/solar hybrid generation system net-connected controller and change-over switch switching method thereof |
| CN203119805U (en) * | 2013-04-07 | 2013-08-07 | 安徽工程大学 | Dual-purpose load independent photovoltaic power generation system |
-
2013
- 2013-04-07 CN CN2013101173198A patent/CN103208948A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011166918A (en) * | 2010-02-08 | 2011-08-25 | Sanyo Electric Co Ltd | Power supply system |
| CN102035237A (en) * | 2010-12-10 | 2011-04-27 | 东电(福建)能源科技发展有限公司 | Wind-light-electricity complementary intelligent management system |
| CN102364805A (en) * | 2011-10-13 | 2012-02-29 | 东北大学 | Wind/solar hybrid generation system net-connected controller and change-over switch switching method thereof |
| CN203119805U (en) * | 2013-04-07 | 2013-08-07 | 安徽工程大学 | Dual-purpose load independent photovoltaic power generation system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103535219A (en) * | 2013-10-17 | 2014-01-29 | 安徽工程大学 | Solar energy based agricultural greenhouse light supplementing system |
| CN103535218A (en) * | 2013-10-17 | 2014-01-29 | 安徽工程大学 | Solar photovoltaic power generation based automatic light supplementing and watering system of greenhouse |
| CN103595348A (en) * | 2013-11-19 | 2014-02-19 | 安泰科技股份有限公司 | Household photovoltaic intelligent control system |
| CN103595348B (en) * | 2013-11-19 | 2016-01-13 | 安泰科技股份有限公司 | Family photovoltaic intelligent control system |
| CN108879933A (en) * | 2018-08-06 | 2018-11-23 | 上海晶夏新能源科技有限公司 | A kind of novel modularized photovoltaic generating system |
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Application publication date: 20130717 |