CN202949273U - Intelligent direct current supplying system of photovoltaic power generation - Google Patents
Intelligent direct current supplying system of photovoltaic power generation Download PDFInfo
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- CN202949273U CN202949273U CN2012206427990U CN201220642799U CN202949273U CN 202949273 U CN202949273 U CN 202949273U CN 2012206427990 U CN2012206427990 U CN 2012206427990U CN 201220642799 U CN201220642799 U CN 201220642799U CN 202949273 U CN202949273 U CN 202949273U
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- interface
- storage battery
- direct current
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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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to an intelligent direct current supplying system of photovoltaic power generation. The intelligent direct current supplying system comprises a controller, an alternative current grid interface, a load interface, a storage battery interface, a solar cell panel interface, a solar cell panel, a storage battery, a direct current load and an alternative current grid, wherein the alternative current grid interface, the load interface, the storage battery interface and the solar cell panel interface are arranged on a casing, and a voltage stabilizing circuit, an alternative current/ direct current (AC/DC) converter, an intelligent control switch and an intelligent control switch are arranged in the controller. The solar cell panel is connected with the voltage stabilizing circuit through the solar cell panel interface, the storage battery is connected with the intelligent control switch through a storage battery interface, the direct current load is connected with the voltage stabilizing circuit through the load interface, the alternative current grid is connected with the intelligent control switch through the alternative current grid interface, and the intelligent control switch is electrically connected with the AC/DC converter. The solar cell panel serves as the main power source, when sunlight is enough, direct current electricity meeting the requirements is directly supplied to the direct current load through the controller, when sunlight is weak or no sunlight exists, electric power can be obtained from the alternative power grid through the controller, and after rectifying, direct current electricity can be output to the load; when no sunlight exists, and the alternative current grid is powered off, the controller can obtain electric power from the charged storage battery for supplying power.
Description
Technical field
The utility model relates to a kind of photovoltaic generation intelligent DC electric power system.
Background technology
Development along with power electronic technology, the performance of various electronic devices and components all improves greatly, cost is but reducing gradually, for the direct current of distribution system provides hardware foundation, a lot of power consumption equipments (as illuminating lamp, computer etc.) can directly use direct current, existing power consumption equipment is for using the 220V alternating current to increase switch-over unit in inside, and when directly using direct current, these links can be omitted.Photovoltaic power generation technology is now relatively ripe, thereby can obtain galvanic current but often cause the problem such as power supply instability to limit its extensive use due to many deficiencies such as its cost and efficient by certain voltage stabilization and current stabilization measure.
Summary of the invention
Goal of the invention
For addressing the above problem, the utility model proposes a kind of controller of DC load, utilize existing generation technology and supply line, optimize distribution system, reach the purpose that improves efficiency of energy utilization.
The utility model is achieved through the following technical solutions the foregoing invention purpose: described photovoltaic generation intelligent DC electric power system, comprise AC network interface, loading interfaces, storage battery interface, solar cell plate interface that controller and shell are provided with, solar panel, storage battery and DC load, AC network, it is characterized in that also being provided with in described controller voltage stabilizing circuit, AC/DC transducer, intelligent control switch and intelligent control switch; The outside of described controller is respectively equipped with AC network interface, loading interfaces, storage battery interface and solar cell plate interface, wherein, solar panel (2) is connected with voltage stabilizing circuit (6), storage battery (3) is connected with DC intelligent switch (9), DC load (4) is connected with voltage stabilizing circuit (6), AC network (5) with exchange intelligent switch (8) and be connected, exchange intelligent switch (8) and be electrically connected with AC/DC transducer (7).
Further, described solar panel is connected with voltage stabilizing circuit by the solar cell plate interface.
Further, described storage battery is connected with the DC intelligent switch by the storage battery interface.
Further, described DC load is connected with voltage stabilizing circuit by loading interfaces.
Further, described AC network by the AC network interface with exchanges intelligent switch and is connected, described interchange intelligent switch and the electric connection of AC/DC transducer.
Beneficial effect
Described photovoltaic generation intelligent DC electric power system as main power source, when sunny, directly provides satisfactory direct current to DC load by controller with solar panel; Sunlight is weak or when there is no sunlight fully, controller obtains electric energy from AC network, through over commutation, and the output DC supply load; When not having sunlight and AC network to have a power failure, controller obtains electric energy from the storage battery that has charged before, power.The distributed solar energy cell panel that adopts, can take full advantage of solar energy, and improved efficiency of energy utilization, can also be by suitably repacking, can connect other distributed power sources, have the existing family expenses distribution line illumination of good expansion and use line by independent, can be directly connected on illuminating line after controller is completed and use, need not the other construction of line, safety easy to install.
Description of drawings
Fig. 1 is system's distribution connection diagram
Fig. 2 is outside partial schematic diagram
Fig. 3 is outside residue partial schematic diagram
In figure, (1) is controller, and (2) are solar panels, and (3) are storage batterys, (4) be DC load, (5) be AC network, (6) are voltage stabilizing circuits, and (7) are the AC/DC transducers, (8) be to exchange intelligent switch, (9) be the DC intelligent switch, (10) are the AC network interfaces, and (11) are loading interfaces, (12) be the storage battery interface, (13) are the solar cell plate interfaces.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described further.Described photovoltaic generation intelligent DC electric power system, comprise AC network interface (10), loading interfaces (11), storage battery interface (12), solar cell plate interface (13) that controller (1) and shell are provided with, solar panel (2), storage battery (3) and DC load (4), AC network (5), it is characterized in that also being provided with in described controller (1) voltage stabilizing circuit (6), AC/DC transducer (7) exchanges intelligent switch (8) and DC intelligent switch (9); The outside of described controller is respectively equipped with AC network interface (10), loading interfaces (11), storage battery interface (12) and solar cell plate interface (13).
Described solar panel (2) is connected with voltage stabilizing circuit (6) by solar cell plate interface (13).Described storage battery (3) is connected with DC intelligent switch (9) by storage battery interface (12).Described DC load (4) is connected with voltage stabilizing circuit (6) by loading interfaces (11).Described AC network (5) by AC network interface (10) with exchanges intelligent switch (8) and is connected, described interchange intelligent switch (8) and AC/DC transducer (7) electric connection.
The utility model mainly with solar panel as main power source, its controller can be controlled multiple-way feed system.When sunny, cut off respectively the electric current of storage battery (3) and AC network (5) by exchanging intelligent switch (8) and DC intelligent switch (9) by controller, utilize solar panel (2) directly to provide satisfactory direct current to DC load; Sunlight is weak or when there is no sunlight fully, controller obtains electric energy by control circuit from AC network (5), through over commutation, and the output DC supply load; When not having sunlight and AC network (5) to have a power failure, controller obtains electric energy from the storage battery (3) that has charged before, power.
Controller can be controlled the management of charging and discharging function that the multichannel solar cell array is realized batteries, automatically control the connection successively of solar cell array or cut off according to the variation tendency of batteries terminal voltage, both can take full advantage of valuable solar-electricity Pooled resources, can guarantee again batteries safety and work reliably, the standby electric equipment of stable DC electricity that sends is directly used, reduced many unnecessary switch-over units.
The above is only preferred embodiment of the present utility model, is not this is novelly done any pro forma restriction, and every any modification, equivalent variations and modification of above embodiment being done according to this novel technical spirit all still belongs to this novel protection range.
Claims (5)
1. a photovoltaic generation intelligent DC electric power system, comprise controller (1), solar panel (2), and storage battery (3), DC load (4), and AC network (5) is characterized in that:
Also be provided with voltage stabilizing circuit (6) in described controller (1), AC/DC transducer (7) exchanges intelligent switch (8) and DC intelligent switch (9);
The outside of described controller is respectively equipped with AC network interface (10), loading interfaces (11), storage battery interface (12) and solar cell plate interface (13);
Wherein, solar panel (2) is connected with voltage stabilizing circuit (6), storage battery (3) is connected with DC intelligent switch (9), DC load (4) is connected with voltage stabilizing circuit (6), AC network (5) with exchange intelligent switch (8) and be connected, exchange intelligent switch (8) and be electrically connected with AC/DC transducer (7).
2. a kind of photovoltaic generation intelligent DC electric power system as claimed in claim 1, is characterized in that, described solar panel (2) is connected with voltage stabilizing circuit (6) by solar cell plate interface (13).
3. a kind of photovoltaic generation intelligent DC electric power system as claimed in claim 1, is characterized in that, described storage battery (3) is connected with DC intelligent switch (9) by storage battery interface (12).
4. a kind of photovoltaic generation intelligent DC electric power system as claimed in claim 1, is characterized in that, described DC load (4) is connected with voltage stabilizing circuit (6) by loading interfaces (11).
5. a kind of photovoltaic generation intelligent DC electric power system as claimed in claim 1, it is characterized in that, described AC network (5) by AC network interface (10) with exchanges intelligent switch (8) and is connected, described interchange intelligent switch (8) and AC/DC transducer (7) electric connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206427990U CN202949273U (en) | 2012-11-29 | 2012-11-29 | Intelligent direct current supplying system of photovoltaic power generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206427990U CN202949273U (en) | 2012-11-29 | 2012-11-29 | Intelligent direct current supplying system of photovoltaic power generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202949273U true CN202949273U (en) | 2013-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206427990U Expired - Fee Related CN202949273U (en) | 2012-11-29 | 2012-11-29 | Intelligent direct current supplying system of photovoltaic power generation |
Country Status (1)
| Country | Link |
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| CN (1) | CN202949273U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489769A (en) * | 2018-12-14 | 2019-03-19 | 长安大学 | A kind of groundwater level monitoring device and Populus Euphratica water demand for natural service forecasting and warning method |
-
2012
- 2012-11-29 CN CN2012206427990U patent/CN202949273U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109489769A (en) * | 2018-12-14 | 2019-03-19 | 长安大学 | A kind of groundwater level monitoring device and Populus Euphratica water demand for natural service forecasting and warning method |
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Legal Events
| Date | Code | Title | Description |
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| 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: 20130522 Termination date: 20131129 |