CN201781294U - Novel photovoltaic power generation system - Google Patents
Novel photovoltaic power generation system Download PDFInfo
- Publication number
- CN201781294U CN201781294U CN2010202287573U CN201020228757U CN201781294U CN 201781294 U CN201781294 U CN 201781294U CN 2010202287573 U CN2010202287573 U CN 2010202287573U CN 201020228757 U CN201020228757 U CN 201020228757U CN 201781294 U CN201781294 U CN 201781294U
- Authority
- CN
- China
- Prior art keywords
- management circuit
- power management
- photovoltaic cell
- circuit system
- super capacitor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to the photoelectric technology field, in particular to a novel photovoltaic power generation system. The system comprises a photovoltaic cell, a storage cell, a load, a super capacitor and a power management circuit system, wherein the power management circuit system comprises the input end, the control end and the output end; the output end of the photovoltaic cell is connected with the input end of the power management circuit system; the control end of the power management circuit system is connected with the super capacitor and the storage cell; and the output end of the power management circuit system is connected with the load. The novel photovoltaic power generation system has the following beneficial effects: the super capacitor is arranged between the photovoltaic cell and the storage cell and the output electric energy of the photovoltaic cell is controlled by controlling the charging and discharging processes of the super capacitor to ensure the photovoltaic cell to work in the maximum power output area, thus effectively improving the output efficiency of the photovoltaic cell, realizing greatest utilization of the optical energy, prolonging the service life of the storage cell and expanding the application range.
Description
Technical field:
The utility model relates to field of photoelectric technology, relates in particular to a kind of novel photovoltaic generating system.
Background technology:
Existing common photovoltaic generating system, what generally adopt all is the accumulating system (using conventional storage battery type or super capacitor type) of single type, single accumulating system is because its intrinsic characteristics of discharging and recharging cause the utilization of luminous energy abundant inadequately, thereby not high to the system generating efficiency of making, the range of application of having dwindled photovoltaic generating system.Therefore, common photovoltaic generating system need improve the delivery efficiency of photovoltaic cell.
The utility model content:
The purpose of this utility model just is the deficiency at prior art, and a kind of novel photovoltaic generating system is provided, and it can increase the delivery efficiency of photovoltaic cell.
Realize that the technical scheme that the utility model purpose is adopted is:
A kind of novel photovoltaic generating system, it comprises photovoltaic cell, storage battery, load, it is characterized in that:
It also comprises super capacitor and electric power management circuit system, and the electric power management circuit system includes input, control end and output;
The input of the output of photovoltaic cell and electric power management circuit system joins, and the control end of electric power management circuit system is connected to super capacitor, storage battery, the output termination load of electric power management circuit system.
The utlity model has following beneficial effect:
By between photovoltaic cell and energy accumulator (referring to storage battery), disposing super capacitor, utilize super capacitor that charging current is not had the characteristics of specific (special) requirements, make the ultracapacitor terminal voltage directly influence the output electric energy of photovoltaic cell; Control the output electric energy of photovoltaic cell by the charge and discharge process of control super capacitor, make photovoltaic cell be operated in the peak power output district, rainy weather also can charge in tens years, thereby effectively raise the delivery efficiency of photovoltaic cell, realization is to the maximum utilization of luminous energy, but also can prolong useful life of energy accumulator, enlarged range of application.
Description of drawings:
Below in conjunction with accompanying drawing the utility model is further described.
Fig. 1 is a structured flowchart of the present utility model.
Fig. 2 is an embodiment circuit diagram of the present utility model.
Embodiment:
As shown in Figure 1, a kind of novel photovoltaic generating system, it comprises photovoltaic cell, storage battery, load, super capacitor and electric power management circuit system, the electric power management circuit system includes input, control end and output; The input of the output of photovoltaic cell and electric power management circuit system joins, and the control end of electric power management circuit system is connected to super capacitor, storage battery, the output termination load of electric power management circuit system.
As shown in Figure 2, photovoltaic cell can equivalence be the parallel connection of an ideal current source Iph and diode D, and Rs is its equivalent internal resistance; Its output voltage is given super capacitor C charging through diode D1; The electric power management circuit system is by boost type: DC-DC converter, energy storage switch, resistance R 1, R2, R3, and integrated operational amplifier is formed; The positive pole of the output of photovoltaic cell and diode D1 joins, and the positive pole of the negative pole of D1 and super capacitor C joins; The positive pole of the input of DC-DC converter and super capacitor C joins, and the output of DC-DC converter and the power end of integrated operational amplifier join; One end of resistance R 1 and the backward end of integrated operational amplifier join, and the positive pole of the other end and super capacitor C joins; One end of resistance R 2 and the output of DC-DC converter join, and the end in the same way of the other end and integrated operational amplifier joins; One end of resistance R 3 and the output of integrated operational amplifier join, and the end in the same way of the other end and integrated operational amplifier joins; The control end of the output of integrated operational amplifier and energy storage switch joins, and the positive pole of the output of energy storage switch and storage battery V joins, and the positive pole of the input of energy storage switch and super capacitor C joins; The negative pole while of photovoltaic cell joins with the negative pole of super capacitor C, storage battery V.The utility model is by disposing super capacitor between photovoltaic cell and storage battery, utilize super capacitor that charging current is not had the characteristics of specific (special) requirements, makes the super capacitor terminal voltage directly influence the output electric energy of photovoltaic cell; Charge and discharge process by the control super capacitor is controlled the output electric energy of photovoltaic cell, makes photovoltaic cell be operated in the peak power output district, thereby effectively raises the delivery efficiency of photovoltaic cell, but also can prolong the useful life of storage battery.
Claims (1)
1. novel photovoltaic generating system, it comprises photovoltaic cell, storage battery, load, it is characterized in that: it also comprises super capacitor and electric power management circuit system, and the electric power management circuit system includes input, control end and output; The input of the output of photovoltaic cell and electric power management circuit system joins, and the control end of electric power management circuit system is connected to super capacitor, storage battery, the output termination load of electric power management circuit system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202287573U CN201781294U (en) | 2010-06-18 | 2010-06-18 | Novel photovoltaic power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202287573U CN201781294U (en) | 2010-06-18 | 2010-06-18 | Novel photovoltaic power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201781294U true CN201781294U (en) | 2011-03-30 |
Family
ID=43794497
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202287573U Expired - Fee Related CN201781294U (en) | 2010-06-18 | 2010-06-18 | Novel photovoltaic power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201781294U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078371A (en) * | 2012-12-31 | 2013-05-01 | 青海骄阳新能源有限公司 | Photovoltaic system based on genetic algorithm |
-
2010
- 2010-06-18 CN CN2010202287573U patent/CN201781294U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103078371A (en) * | 2012-12-31 | 2013-05-01 | 青海骄阳新能源有限公司 | Photovoltaic system based on genetic algorithm |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202076807U (en) | Solar charging circuit | |
| CN203690977U (en) | Solar charging control system | |
| CN203289128U (en) | Photovoltaic charging controller | |
| CN101431246A (en) | Apparatus and method for improving output efficiency of low-power photovoltaic battery | |
| CN102738885A (en) | Storage battery energy storage and photovoltaic power generation hybrid system | |
| CN203352246U (en) | Miniature photovoltaic controller based on super-capacitor energy accumulator | |
| CN204206069U (en) | A kind of solar mobile power box | |
| CN201584794U (en) | Charging circuit | |
| CN104270085A (en) | DC/DC conversion circuit in solar photovoltaic power generation system | |
| CN202712956U (en) | Storage battery energy storage and photovoltaic power generation hybrid system | |
| CN204886697U (en) | High -gain boost circuit | |
| CN203689705U (en) | Intelligent solar energy traffic signal lamp | |
| CN203689699U (en) | Network centralized-control system of solar energy traffic signal lamp | |
| CN201690251U (en) | Storage battery charging circuit based on photovoltaic power generation | |
| CN203645390U (en) | Charging and discharging circuit used for intelligent photovoltaic LED street lamp | |
| CN207010335U (en) | A kind of solar energy low-light TRT | |
| CN201194436Y (en) | Solar energy LED road lamp controller | |
| CN201781294U (en) | Novel photovoltaic power generation system | |
| CN202218031U (en) | Off-grid type electric power input control system | |
| CN214674892U (en) | High-gain three-port DC/DC converter | |
| CN204179943U (en) | A kind of photovoltaic generating system bidirectional DC-DC converter based on DSP | |
| CN107401720A (en) | One kind carries stand-by power supply solar LED street lamp | |
| CN201966677U (en) | Singlechip controlled BOOST wind power generation boost charge circuit | |
| CN202142889U (en) | Solar charge-discharge controller | |
| CN201523467U (en) | Circuit for charging and discharging internally and externally by using USB interface and solar camping lamp circuit |
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: 20110330 Termination date: 20110618 |