CN203119805U - Dual-purpose load independent photovoltaic power generation system - Google Patents
Dual-purpose load independent photovoltaic power generation system Download PDFInfo
- Publication number
- CN203119805U CN203119805U CN2013201674892U CN201320167489U CN203119805U CN 203119805 U CN203119805 U CN 203119805U CN 2013201674892 U CN2013201674892 U CN 2013201674892U CN 201320167489 U CN201320167489 U CN 201320167489U CN 203119805 U CN203119805 U CN 203119805U
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- China
- Prior art keywords
- photovoltaic
- dual
- inverter
- circuit
- load
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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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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a dual-purpose load independent photovoltaic power generation system, which comprises a photovoltaic battery plate, a photovoltaic controller, an energy storage device, an inverter and a working state display device, wherein the photovoltaic battery plate is connected with the photovoltaic controller; the photovoltaic controller is connected with the energy storage device and is also connected with the working state display device and a direct current load; and an input end of the inverter is connected with the photovoltaic controller, and an output end of the inverter is connected with an alternating current load. The dual-purpose load independent photovoltaic power generation system has the advantages of simple structure, capabilities of simultaneously providing electric energy for two different loads and being used for families at remote areas without electricity and in the fields such as communication and traffic, convenience in use and low cost.
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 stream DC-AC 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 |
|---|---|---|---|
| CN2013201674892U CN203119805U (en) | 2013-04-07 | 2013-04-07 | Dual-purpose load independent photovoltaic power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201674892U CN203119805U (en) | 2013-04-07 | 2013-04-07 | Dual-purpose load independent photovoltaic power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203119805U true CN203119805U (en) | 2013-08-07 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013201674892U Expired - Fee Related CN203119805U (en) | 2013-04-07 | 2013-04-07 | Dual-purpose load independent photovoltaic power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203119805U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208948A (en) * | 2013-04-07 | 2013-07-17 | 安徽工程大学 | Dual-purpose load-independent photovoltaic power generation system |
-
2013
- 2013-04-07 CN CN2013201674892U patent/CN203119805U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103208948A (en) * | 2013-04-07 | 2013-07-17 | 安徽工程大学 | Dual-purpose load-independent photovoltaic power generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20130807 Termination date: 20140407 |