CN201821124U - A photovoltaic power generation access device - Google Patents
A photovoltaic power generation access device Download PDFInfo
- Publication number
- CN201821124U CN201821124U CN2010202793096U CN201020279309U CN201821124U CN 201821124 U CN201821124 U CN 201821124U CN 2010202793096 U CN2010202793096 U CN 2010202793096U CN 201020279309 U CN201020279309 U CN 201020279309U CN 201821124 U CN201821124 U CN 201821124U
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- photovoltaic
- load
- access device
- control circuit
- generation access
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- 238000010248 power generation Methods 0.000 title abstract 3
- 238000009825 accumulation Methods 0.000 description 5
- 239000003245 coal Substances 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000001172 regenerating effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B10/00—Integration of renewable energy sources in buildings
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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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Abstract
The utility model relates to a photovoltaic power generation access device comprising a solar-cell panel, a DC/DC (direct current ) photovoltaic controller, a DC/AC (alternating current) photovoltaic inverter, a first switching control circuit and a second switching control circuit, wherein the solar-cell panel is connected with a DC load by the DC/DC photovoltaic controller; the solar-cell panel is respectively connected with an AC load and a power grid by the DC/DC photovoltaic controller and the DC/AC photovoltaic inverter; the first switching control circuit is connected among the DC/DC photovoltaic controller, the DC load and the DC/AC photovoltaic inverter; and the second switching control circuit is connected among the DC/AC photovoltaic inverter, the AC load and the power grid. The photovoltaic power generation access device can be used by the DC load and the AC load, and can be operated in an off-grid way or in a grid-connected way; simultaneously, UPS (Uninterrupted Power Supply) function can be provided for the loads, the power is directly supplied to the loads by the power grid, so as to have the function of the uninterrupted power supply; and for the device, the functions are complete, reasonable utilization is realized and the device utilization rate can be improved to the maximum extent.
Description
Technical field
The utility model relates to a kind of photovoltaic generation access device, especially relates to a kind of photovoltaic generation access device of multifunctional general, can be applied to DC load and AC load simultaneously.
Background technology
Along with the raising of people's living standard and the technological progress of society, electric energy becomes the energy that must rely in people's daily life.Yet primary energy such as coal, oil day by day reduces, and people also cause huge pollution to environment when using them.Therefore, people begin to pay attention to the utilization of regenerative resources such as wind energy, solar energy gradually, and new forms of energy will become the important trend that future source of energy utilizes.
Utilize the photovoltaic generation access device of solar energy in the market, type is single, or has only commutation controller, can only connect DC load, for example direct-current LED (light-emitting diode) lamp; Be only to be with inverter output, can only connect AC load, as incandescent lamp, and inverter is exported or is grid type, or is from the net type.Product function, the user selects limited, and the investment utilance is limited, can not utilize resource to greatest extent.
By as seen above-mentioned, existing market has bigger demand space for some universal photovoltaic generation access devices, wish a kind of access device with universal commutation controller and inverter to occur, it both can use for DC load, also can use for AC load; Simultaneously, also both can be incorporated into the power networks again from network operation; Can also be embodied as important load in addition UPS is provided the function of (uninterrupted power supply), when the electric weight of solar cell is not enough to support the important load electricity consumption, can be with the bypass of whole photovoltaic access device, thus by electrical network directly to the important load power supply, play the effect that is equivalent to uninterrupted power supply.
The utility model content
The purpose of this utility model provides a kind of general multifunctional photovoltaic generation access device, and this photovoltaic generation access device both can use for DC load, also can use for AC load; Simultaneously, also both can be incorporated into the power networks again from network operation; Can also be embodied as the function that load provides UPS in addition, directly power to the load, play the effect of uninterrupted power supply by electrical network; This photovoltaic generation access device complete function can be realized the reasonable utilization of equipment, maximized raising utilization rate of equipment and installations.
For achieving the above object, a kind of photovoltaic generation access device of the utility model comprises:
Solar panel;
DC/DC (DC-DC) photovoltaic controller, described solar panel is connected with DC load by this DC/DC photovoltaic controller;
DC/AC (AC/DC) photovoltaic DC-to-AC converter, described solar panel are connected with AC load and electrical network respectively by this DC/DC photovoltaic controller, this DC/AC photovoltaic DC-to-AC converter successively;
First ON-OFF control circuit, its connection are arranged between described DC/DC photovoltaic controller and DC load, the DC/AC photovoltaic DC-to-AC converter;
Second switch control circuit, its connection are arranged between described DC/AC photovoltaic DC-to-AC converter and AC load, the electrical network.
Above-mentioned photovoltaic generation access device, wherein, described first ON-OFF control circuit comprises and connects second control switch that is arranged between described DC/DC photovoltaic controller and the DC load; And connection is arranged on the 3rd control switch between described DC/DC photovoltaic controller and the DC/AC photovoltaic DC-to-AC converter.
Above-mentioned photovoltaic generation access device further also comprises the storage battery that is connected with the DC/DC photovoltaic controller.
Above-mentioned photovoltaic generation access device, wherein, described first ON-OFF control circuit also comprises and connects first control switch that is arranged between DC/DC photovoltaic controller and the storage battery.
Above-mentioned multi-functional photovoltaic generating access device, wherein, described second switch control circuit comprises and connects the 4th control switch that is arranged between described DC/AC photovoltaic DC-to-AC converter and the AC load; And connection is arranged on the 5th control switch between described DC/AC photovoltaic DC-to-AC converter and the electrical network.
Above-mentioned multi-functional photovoltaic generating access device, wherein, this second switch control circuit also comprises and connects the 6th control switch that is arranged between AC load and the electrical network.
Photovoltaic generation access device provided by the utility model has the application of several working ways, realizes multiple difference in functionality.Both can power, can power to AC load again to DC load; Both can realize from network operation, and can realize again being incorporated into the power networks; During the unnecessary actual power consumption of the electric weight that provides when solar panel, also can be fed back to electrical network by the electric energy that this part is unnecessary, during the still not enough load applications of the electric weight that provides when this solar panel, also can realize directly powering to the load simultaneously by electrical network.
By using photovoltaic generation access device provided by the utility model, can make the very flexible applied solar energy fully of user, multiple functional, utilization rate of equipment and installations is higher; And effectively save the consumption of the disposable energy such as coal, oil, also made certain contribution, reach the purpose of environmental protection improving environment for the utilization of regenerative resource.
Description of drawings
Fig. 1 is the connection diagram of a kind of multi-functional photovoltaic generating access device of the utility model.
Embodiment
Below in conjunction with Fig. 1, describe a preferred embodiment of the present utility model in detail.
As shown in Figure 1, Fig. 1 is the connection diagram of a kind of multi-functional photovoltaic generating access device of the utility model.This multi-functional photovoltaic generating access device comprises: solar panel 1, and in the present embodiment, the solar panel that can to adopt by 2 models be YL180 P-23b composes in parallel;
Be connected in the DC/DC photovoltaic controller 2 of solar panel, in the present embodiment, can adopt model is the photovoltaic controller of SD2430;
Be connected in first ON-OFF control circuit 3 of DC/DC photovoltaic controller 2;
The accumulation energy type storage battery 4 that is connected to first ON-OFF control circuit 3 is (in the present embodiment, can adopt model is that the storage battery of 6-GFM-100G is an example), LED lamp DC load 5, DC/AC photovoltaic DC-to-AC converter 6 (in the present embodiment, can adopt model is that the DC/AC photovoltaic DC-to-AC converter of SN240.5ks is an example);
Be connected in the second switch control circuit 7 of DC/AC photovoltaic DC-to-AC converter 6;
Be connected to incandescent lamp AC load 8, the electrical network 9 of switching circuit 7.
First ON-OFF control circuit 3 includes control switch S1, S2, S3, DC/DC photovoltaic controller 2 is connected to LED lamp DC load 5 by control switch S3, DC/DC photovoltaic controller 2 is connected to DC/AC photovoltaic DC-to-AC converter 6 by control switch S2, DC/DC photovoltaic controller 2 is connected to accumulation energy type storage battery 4 by control switch S1, and this accumulation energy type storage battery 4 is as stand-by power supply.
Second switch control circuit 7 includes control switch S4, S5, and DC/AC photovoltaic DC-to-AC converter 6 is connected to incandescent lamp AC load 8 by control switch S4, and DC/AC photovoltaic DC-to-AC converter 6 is connected to electrical network 9 by control switch S5.
This second switch control circuit 7 also comprises control switch S6, and it is connected between incandescent lamp AC load 8 and the electrical network 9.
The photovoltaic generation access device that the utility model provides has the applicable cases of following various multifunctional generals, and specific implementation comprises:
1. during initial condition, each control switch in 2 ON-OFF control circuit of this photovoltaic generation access device all is in off-state;
2. when only needing power supply to give DC load, closed control switch S3 with the direct current of solar panel 1 output through DC/DC photovoltaic controller 2, to similar DC load power supply such as LED lamp 5 grades;
3. when the user only needs electricity to supply with AC load, then disconnect control switch S3, closed control switch S2 and control switch S4, behind DC/DC photovoltaic controller 2 and DC/AC photovoltaic DC-to-AC converter 6, convert the direct current of solar panel 1 output to alternating current to similar AC load power supplies such as incandescent lamps 8;
4. working as the user had both needed to power to DC load, need again when AC load is powered, then simultaneously closed control switch S2, S3, S4, thus in conjunction with above-mentioned 2 and 3 described two kinds of situations, realize simultaneously to AC load power supplies such as DC load such as LED lamp 5 and incandescent lamps 8;
5. the user can insert accumulation energy type storage battery 4 by closed control switch S1 on the basis of above-mentioned 2,3,4 described situations, can be implemented in and use accumulation energy type storage battery 4 as stand-by power supply under net state simultaneously;
6. if electric energy and abundance thereof that current solar panel 1 is provided, on the satisfied basis that various loads are powered, also there is dump energy, then can be incorporated into the power networks this moment, be Closing Switch S2 and S5, and disconnect control switch S1, this access device is connected with electrical network 9 realizations, the unnecessary back electric quantity that can provide solar panel 1 this moment is fed to electrical network 9, to realize making full use of solar energy;
7. when the user has some important loads to increase power supply reliability, when occurring the situation of solar panel 1 electricity shortage again simultaneously, can closed control switch S6 and disconnect control switch S4 and control switch S5, with the bypass of whole photovoltaic generation access device, directly power to AC load by electrical network 9.
By the working method that above-mentioned various photovoltaic generation access devices are provided, it utilizes a plurality of control switchs both can power to DC load, can power to AC load again; Both can realize from network operation, and can realize again being incorporated into the power networks; The electric weight that provides when solar panel is during more than actual power consumption, and also energy back that can this part is unnecessary is to electrical network, when the not enough load applications of electric weight that this solar panel provides, can realize directly being powered to the load by electrical network simultaneously.
By using photovoltaic generation access device provided by the utility model, can make the very flexible applied solar energy fully of user, multiple functional, utilization rate of equipment and installations is higher; And effectively save the consumption of the disposable energy such as coal, oil, also made certain contribution, reach the purpose of environmental protection improving environment for the utilization of regenerative resource.
Although content of the present utility model has been done detailed introduction by above preferred embodiment, will be appreciated that above-mentioned description should not be considered to restriction of the present utility model.After those skilled in the art have read foregoing, for multiple modification of the present utility model with to substitute all will be conspicuous.Therefore, protection range of the present utility model should be limited to the appended claims.
Claims (6)
1. a photovoltaic generation access device is characterized in that, comprises:
Solar panel (1);
DC/DC photovoltaic controller (2), described solar panel (1) is connected with DC load (5) by this DC/DC photovoltaic controller (2);
DC/AC photovoltaic DC-to-AC converter (6), described solar panel (1) are connected with AC load (8) and electrical network (9) respectively by this DC/DC photovoltaic controller (2), this DC/AC photovoltaic DC-to-AC converter (6) successively;
First ON-OFF control circuit (3), its connection are arranged between described DC/DC photovoltaic controller (2) and DC load (5), the DC/AC photovoltaic DC-to-AC converter (6);
Second switch control circuit (7), its connection are arranged between described DC/AC photovoltaic DC-to-AC converter (6) and AC load (8), the electrical network (9).
2. photovoltaic generation access device as claimed in claim 1 is characterized in that, described first ON-OFF control circuit (3) comprises:
Second control switch (S2), its connection are arranged between described DC/DC photovoltaic controller (2) and the DC load (5);
The 3rd control switch (S3), its connection are arranged between described DC/DC photovoltaic controller (2) and the DC/AC photovoltaic DC-to-AC converter (6).
3. photovoltaic generation access device as claimed in claim 2 is characterized in that, this access device also comprises the storage battery (4) that is connected with DC/DC photovoltaic controller (2).
4. photovoltaic generation access device as claimed in claim 3 is characterized in that, described first ON-OFF control circuit (3) also comprises and connects first control switch (S1) that is arranged between DC/DC photovoltaic controller (2) and the storage battery (4).
5. photovoltaic generation access device as claimed in claim 1 is characterized in that, described second switch control circuit (7) comprises:
The 4th control switch (S4), its connection are arranged between described DC/AC photovoltaic DC-to-AC converter (6) and the AC load (8);
The 5th control switch (S5), its connection are arranged between described DC/AC photovoltaic DC-to-AC converter (6) and the electrical network (9).
6. photovoltaic generation access device as claimed in claim 5 is characterized in that, described second switch control circuit (7) also comprises and connects the 6th control switch (S6) that is arranged between AC load (8) and the electrical network (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202793096U CN201821124U (en) | 2010-08-03 | 2010-08-03 | A photovoltaic power generation access device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202793096U CN201821124U (en) | 2010-08-03 | 2010-08-03 | A photovoltaic power generation access device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201821124U true CN201821124U (en) | 2011-05-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202793096U Expired - Fee Related CN201821124U (en) | 2010-08-03 | 2010-08-03 | A photovoltaic power generation access device |
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| Country | Link |
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| CN (1) | CN201821124U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102427266A (en) * | 2012-01-04 | 2012-04-25 | 广东易事特电源股份有限公司 | Multifunctional photovoltaic UPS (uninterruptible power supply) system and control method thereof |
| CN103124135A (en) * | 2013-02-06 | 2013-05-29 | 北京能高自动化技术股份有限公司 | New energy power generation converter control power supply and converter comprising same |
| CN103229381A (en) * | 2011-11-22 | 2013-07-31 | 松下电器产业株式会社 | Electricity-generation system and wireless power-transmission system |
| CN103337876A (en) * | 2013-06-26 | 2013-10-02 | 贵州电力试验研究院 | Grid connection and separation control structure and operation method of photovoltaic power generation system |
| CN103828182A (en) * | 2011-09-20 | 2014-05-28 | 三菱重工停车机械株式会社 | Mechanical parking device and power supply method for mechanical parking device |
| CN104040829A (en) * | 2011-08-19 | 2014-09-10 | 罗伯特·博世有限公司 | Solar-synchronized loads for photovoltaic systems |
| CN104393616A (en) * | 2014-10-20 | 2015-03-04 | 江国龙 | Solar power generation system based on grid-connected and off-grid integration |
| CN104967354A (en) * | 2015-07-22 | 2015-10-07 | 苏州景新电气有限公司 | Photovoltaic inverter and photovoltaic inversion system |
| CN107147147A (en) * | 2017-06-15 | 2017-09-08 | 山东新华联智能光伏有限公司 | Photovoltaic generating system |
| CN109546854A (en) * | 2018-12-03 | 2019-03-29 | 珠海格力电器股份有限公司 | Converter system compatible with different loads, control method thereof and power grid |
| CN110701788A (en) * | 2019-10-11 | 2020-01-17 | 科希曼电器有限公司 | Heat pump water heater |
| CN113410841A (en) * | 2021-06-21 | 2021-09-17 | 长江勘测规划设计研究有限责任公司 | Photovoltaic-based alternating current-direct current power supply system for long-distance water delivery main channel engineering |
-
2010
- 2010-08-03 CN CN2010202793096U patent/CN201821124U/en not_active Expired - Fee Related
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104040829B (en) * | 2011-08-19 | 2018-10-23 | 罗伯特·博世有限公司 | Solar-synchronized loads for photovoltaic systems |
| CN104040829A (en) * | 2011-08-19 | 2014-09-10 | 罗伯特·博世有限公司 | Solar-synchronized loads for photovoltaic systems |
| CN103828182A (en) * | 2011-09-20 | 2014-05-28 | 三菱重工停车机械株式会社 | Mechanical parking device and power supply method for mechanical parking device |
| CN103229381A (en) * | 2011-11-22 | 2013-07-31 | 松下电器产业株式会社 | Electricity-generation system and wireless power-transmission system |
| CN102427266B (en) * | 2012-01-04 | 2014-03-19 | 广东易事特电源股份有限公司 | Multifunctional photovoltaic UPS (uninterruptible power supply) system and control method thereof |
| CN102427266A (en) * | 2012-01-04 | 2012-04-25 | 广东易事特电源股份有限公司 | Multifunctional photovoltaic UPS (uninterruptible power supply) system and control method thereof |
| CN103124135A (en) * | 2013-02-06 | 2013-05-29 | 北京能高自动化技术股份有限公司 | New energy power generation converter control power supply and converter comprising same |
| CN103337876A (en) * | 2013-06-26 | 2013-10-02 | 贵州电力试验研究院 | Grid connection and separation control structure and operation method of photovoltaic power generation system |
| CN104393616A (en) * | 2014-10-20 | 2015-03-04 | 江国龙 | Solar power generation system based on grid-connected and off-grid integration |
| CN104967354A (en) * | 2015-07-22 | 2015-10-07 | 苏州景新电气有限公司 | Photovoltaic inverter and photovoltaic inversion system |
| CN104967354B (en) * | 2015-07-22 | 2018-08-28 | 北京景新电气技术开发有限责任公司 | A kind of photovoltaic DC-to-AC converter and photovoltaic inverting system |
| CN107147147A (en) * | 2017-06-15 | 2017-09-08 | 山东新华联智能光伏有限公司 | Photovoltaic generating system |
| CN109546854A (en) * | 2018-12-03 | 2019-03-29 | 珠海格力电器股份有限公司 | Converter system compatible with different loads, control method thereof and power grid |
| CN109546854B (en) * | 2018-12-03 | 2025-06-27 | 珠海格力电器股份有限公司 | Converter system compatible with different loads, control method thereof, and power grid |
| CN110701788A (en) * | 2019-10-11 | 2020-01-17 | 科希曼电器有限公司 | Heat pump water heater |
| CN113410841A (en) * | 2021-06-21 | 2021-09-17 | 长江勘测规划设计研究有限责任公司 | Photovoltaic-based alternating current-direct current power supply system for long-distance water delivery main channel engineering |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 201802 Shanghai, Jiading District Road 188, No. five, 2, 2 floor Patentee after: Shanghai Zhaoneng Electric & Electronic Technology Co., Ltd. Address before: 201203 room 500, No. 302 blue wave road, Zhangjiang hi tech park, Shanghai Patentee before: Shanghai Zhaoneng Electric & Electronic Technology Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110504 Termination date: 20180803 |