CN207573066U - A kind of photovoltaic energy storage type DC charging column - Google Patents
A kind of photovoltaic energy storage type DC charging column Download PDFInfo
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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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- 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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- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/72—Electric energy management in electromobility
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Abstract
本实用新型公开了一种光伏储能式直流充电柱，包括光伏方阵、控制器、防反二极管、充电端子、蓄电池、检测控制模块、双向逆变器、控制开关S1和控制开关S2，所述控制器输入端连接光伏方阵，输出端通过防反二极管连接充电端子，所述储电池与控制器连接，所述双向逆变器一端连接电网，另一端通过控制开关S1连接蓄电池或通过控制开关S2连接防反二极管的负极，所述检测控制模块与电网连接。该直流充电柱具备防反充控制结构，能够防止电网向光伏方阵供电，减少安全隐患。
The utility model discloses a photovoltaic energy storage type DC charging column, which comprises a photovoltaic square array, a controller, an anti-reverse diode, a charging terminal, a storage battery, a detection control module, a bidirectional inverter, a control switch S1 and a control switch S2. The input end of the controller is connected to the photovoltaic square array, the output end is connected to the charging terminal through the anti-reverse diode, the storage battery is connected to the controller, one end of the bidirectional inverter is connected to the power grid, and the other end is connected to the battery through the control switch S1 or through the control The switch S2 is connected to the negative pole of the anti-reverse diode, and the detection control module is connected to the power grid. The DC charging column has an anti-reverse charging control structure, which can prevent the grid from supplying power to the photovoltaic array and reduce potential safety hazards.
Description
技术领域technical field
本实用新型属于光伏储能充电技术领域，具体涉及一种光伏储能式直流充电柱。The utility model belongs to the technical field of photovoltaic energy storage and charging, in particular to a photovoltaic energy storage type DC charging column.
背景技术Background technique
随着新能源、低碳等理念的普及，纯电动车在人们生活中的接受程度越来越高。电动汽车作为一种新能源车，发展极为迅速。但是当前，电动汽车充电桩采用电网供电对电动车充电，在用电时段对电网造成压力，同时有些虽然利用太阳能发电作为补充，但是未能进行防反充控制，会对充电桩产生安全隐患。With the popularization of concepts such as new energy and low carbon, pure electric vehicles are increasingly accepted in people's lives. As a new energy vehicle, electric vehicles are developing extremely rapidly. However, at present, electric vehicle charging piles use grid power to charge electric vehicles, which puts pressure on the grid during power consumption hours. At the same time, although some use solar power as a supplement, they fail to implement anti-reverse charging control, which will cause safety hazards for charging piles.
实用新型内容Utility model content
为了克服以上现有技术的不足，本实用新型的目的在于提供一种光伏储能式直流充电柱，该直流充电柱具备防反充控制结构，能够防止电网向光伏方阵供电，减少安全隐患。In order to overcome the above deficiencies in the prior art, the purpose of this utility model is to provide a photovoltaic energy storage type DC charging column, which has an anti-reverse charging control structure, which can prevent the grid from supplying power to the photovoltaic array and reduce potential safety hazards.
本实用新型的上述目的是通过以下技术方案来实现的：一种光伏储能式直流充电柱，包括光伏方阵、控制器、防反二极管、充电端子、蓄电池、检测控制模块、双向逆变器、控制开关S1和控制开关S2，所述的控制器的输入端连接光伏方阵，所述的控制器的输出端通过防反二极管连接充电端子，所述的储电池与所述的控制器连接，所述的双向逆变器一端连接电网，另一端通过所述的控制开关S1连接所述的蓄电池或通过所述的控制开关S2连接所述的防反二极管的负极，所述的检测控制模块与电网连接。The above purpose of the utility model is achieved through the following technical solutions: a photovoltaic energy storage type DC charging column, including a photovoltaic square array, a controller, an anti-reverse diode, a charging terminal, a battery, a detection control module, and a bidirectional inverter , control switch S1 and control switch S2, the input end of the controller is connected to the photovoltaic array, the output end of the controller is connected to the charging terminal through the anti-reverse diode, and the storage battery is connected to the controller One end of the bidirectional inverter is connected to the power grid, and the other end is connected to the storage battery through the control switch S1 or connected to the negative pole of the anti-reverse diode through the control switch S2, and the detection control module Connect to grid.
本实用新型光伏储能式直流充电柱采用储能式结构，利用太阳能发电，可以对蓄电池和待充电设备如电动车充电，同时也可以在空余时段，向电网供电，缓解了电网压力，节省用电成本；该充电桩具备防反充控制结构，能够防止电网向光伏方阵供电；储能式充电桩的蓄电池使用周期受充电次数影响较大，科学的逻辑。The photovoltaic energy storage type DC charging column of the utility model adopts an energy storage structure, uses solar power to generate electricity, can charge batteries and equipment to be charged such as electric vehicles, and can also supply power to the grid during spare time, which relieves the pressure on the grid and saves energy. Electricity cost; the charging pile has an anti-reverse charging control structure, which can prevent the grid from supplying power to the photovoltaic array; the battery life cycle of the energy storage charging pile is greatly affected by the number of charging times, which is scientific logic.
本实用新型所述的储电池一端连接控制器，另一端通过控制开关S1连接所述的双向逆变器。One end of the storage battery described in the utility model is connected to the controller, and the other end is connected to the bidirectional inverter through the control switch S1.
本实用新型所述的双向逆变器的交流侧连接电网，直流侧通过所述的控制开关S1连接所述的蓄电池或通过所述的控制开关S2连接所述的防反二极管的负极。The AC side of the bidirectional inverter described in the present invention is connected to the power grid, and the DC side is connected to the battery through the control switch S1 or connected to the negative electrode of the anti-reverse diode through the control switch S2.
本实用新型所述的检测控制模块一端与电网连接并由电网供电，另一端与所述的光伏方阵、蓄电池、充电端子、双向逆变器、控制开关S1和控制开关S2连接。One end of the detection control module described in the utility model is connected to the grid and powered by the grid, and the other end is connected to the photovoltaic square array, storage battery, charging terminal, bidirectional inverter, control switch S1 and control switch S2.
与现有技术相比，本实用新型具有如下优点：Compared with the prior art, the utility model has the following advantages:
(1)本实用新型光伏储能式直流充电柱具有科学的逻辑结构，会使储能式充电桩电池避免较多的受充电次数影响，确保长久运行；(1) The photovoltaic energy storage type DC charging column of the utility model has a scientific logic structure, which will prevent the battery of the energy storage type charging pile from being affected by more charging times and ensure long-term operation;
(2)本实用新型光伏储能式直流充电柱具有防反充二极管，能够防止电网电流经过逆变器反冲给光伏方阵，造成安全隐患；(2) The photovoltaic energy storage type DC charging column of the utility model has an anti-reverse charging diode, which can prevent the power grid current from recoiling to the photovoltaic square array through the inverter, causing potential safety hazards;
(3)本实用新型光伏储能式直流充电柱能够充分利用光伏发电技术，减轻电网运行压力，降低成本。(3) The photovoltaic energy storage type DC charging column of the utility model can make full use of photovoltaic power generation technology, reduce the operating pressure of the power grid, and reduce costs.
附图说明Description of drawings
图1是本实用新型光伏储能式直流充电柱结构示意图；Fig. 1 is a structural schematic diagram of a photovoltaic energy storage type DC charging column of the utility model;
图2为本实用新型光伏储能式直流充电柱工作流程示意图。Figure 2 is a schematic diagram of the working process of the photovoltaic energy storage DC charging column of the present invention.
具体实施方式Detailed ways
为使本实用新型的实施例的目的、技术方案和优点更加清楚，下面结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚完整的描述：In order to make the purpose, technical solutions and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model are clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present utility model:
如图1所示，本实施例提供的一种光伏储能式直流充电柱，包括光伏方阵、控制器、防反二极管、充电端子、蓄电池、检测控制模块、双向逆变器、控制开关S1和控制开关S2，控制器输入端连接光伏方阵，输出端通过防反二极管连接充电端子，储电池与控制器连接，双向逆变器一端连接电网，另一端通过控制开关S1连接蓄电池或通过控制开关S2连接防反二极管的负极，检测控制模块与电网连接。As shown in Figure 1, a photovoltaic energy storage DC charging column provided in this embodiment includes a photovoltaic array, a controller, an anti-reverse diode, a charging terminal, a battery, a detection control module, a bidirectional inverter, and a control switch S1 And the control switch S2, the input terminal of the controller is connected to the photovoltaic array, the output terminal is connected to the charging terminal through the anti-reverse diode, the storage battery is connected to the controller, one end of the bidirectional inverter is connected to the power grid, and the other end is connected to the battery through the control switch S1 or through the control The switch S2 is connected to the negative pole of the anti-reverse diode, and the detection control module is connected to the grid.
其中储电池一端连接控制器，另一端通过控制开关S1连接双向逆变器。One end of the storage battery is connected to the controller, and the other end is connected to the bidirectional inverter through the control switch S1.
双向逆变器的交流侧连接电网，直流侧通过控制开关S1连接蓄电池或通过控制开关S2连接防反二极管的负极。The AC side of the bidirectional inverter is connected to the power grid, and the DC side is connected to the storage battery through the control switch S1 or connected to the negative pole of the anti-reverse diode through the control switch S2.
检测控制模块一端与电网连接并由电网供电，另一端与光伏方阵、蓄电池、充电端子、双向逆变器、控制开关S1和控制开关S2连接，用于检测光伏方阵的电流、储电池的电压、充电端子的状态，并用于控制双向逆变器的功率以及控制开关S1和开关S2的动作。One end of the detection control module is connected to the grid and powered by the grid, and the other end is connected to the photovoltaic array, battery, charging terminal, bidirectional inverter, control switch S1 and control switch S2, and is used to detect the current of the photovoltaic array and the storage battery. Voltage, the state of the charging terminal, and used to control the power of the bidirectional inverter and control the action of the switch S1 and the switch S2.
本实用新型光伏储能式直流充电柱工作流程示意图如图2所示，具体为：The schematic diagram of the working process of the photovoltaic energy storage type DC charging column of the utility model is shown in Figure 2, specifically:
(1)检测控制模块检测到光伏方阵所发出的功率足够且充电端子连接有待充电设备进行充电时，由光伏方阵直接通过控制器和防反二极管进行直流充电；(1) When the detection control module detects that the power emitted by the photovoltaic array is sufficient and the charging terminal is connected to the device to be charged for charging, the photovoltaic array directly performs DC charging through the controller and the anti-reverse diode;
(2)检测控制模块检测到光伏方阵所发出的功率足够但充电端子未连接待充电设备进行充电时，检测控制模块先判断蓄电池是否满电；(2) When the detection control module detects that the power emitted by the photovoltaic array is sufficient but the charging terminal is not connected to the device to be charged for charging, the detection control module first determines whether the battery is fully charged;
2.1如蓄电池充满电时，则控制器停止向蓄电池充电，检测控制模块将控制开关S2闭合，光伏方阵经控制器和防反二极管通过控制开关S2流经双向逆变器，逆变成交流电输送至电网；2.1 If the battery is fully charged, the controller stops charging the battery, the detection control module closes the control switch S2, and the photovoltaic square array flows through the controller and the anti-reverse diode through the control switch S2 to the bidirectional inverter, and is converted into alternating current for transmission to the grid;
2.2如蓄电池未充满电时，则控制器向蓄电池充电，检测控制模块断开控制开关S2；2.2 If the battery is not fully charged, the controller charges the battery, and the detection control module disconnects the control switch S2;
(3)检测控制模块检测到光伏方阵所发出的功率较低，且连接有待充电设备进行充电时，检测控制模块检测蓄电池电量是否充满；(3) When the detection control module detects that the power sent by the photovoltaic array is low, and the device to be charged is connected for charging, the detection control module detects whether the battery is fully charged;
3.1如蓄电池充满电时，则控制器调节蓄电池的输出功率，进行功率补充输出；3.1 If the battery is fully charged, the controller will adjust the output power of the battery to perform power supplementary output;
3.2如蓄电池未充满电时，则控制器停止蓄电池输出，由检测控制模块调节双向逆变器的直流输出功率，由电网进行功率补充；3.2 If the battery is not fully charged, the controller will stop the battery output, and the detection control module will adjust the DC output power of the bidirectional inverter, and the power will be supplemented by the power grid;
(4)检测控制模块检测到光伏方阵所发出的功率较低，但未连接有待充电设备进行充电时，检测控制模块检测蓄电池电量是否充满；(4) When the detection control module detects that the power sent by the photovoltaic square array is low, but is not connected to the charging device for charging, the detection control module detects whether the battery is fully charged;
4.1如蓄电池充满电时，则控制器停止蓄电池的输入及输出，由光伏方阵向电网进行输出；4.1 If the battery is fully charged, the controller will stop the input and output of the battery, and the photovoltaic array will output to the grid;
4.2如蓄电池未充满电时，则由检测控制模块将控制开关S1闭合，电网经双向逆变器向蓄电池充电。4.2 If the battery is not fully charged, the detection control module will close the control switch S1, and the grid will charge the battery through the bidirectional inverter.
对本领域的技术人员来说，可根据以上描述的技术方案以及构思，做出其它各种相应的改变以及形变，而所有的这些改变以及形变都应该属于本实用新型权利要求的保护范围之内。For those skilled in the art, various other corresponding changes and deformations can be made according to the technical solutions and ideas described above, and all these changes and deformations should fall within the protection scope of the claims of the present utility model.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979160A (en) * | 2017-12-27 | 2018-05-01 | 广东产品质量监督检验研究院 | A kind of photovoltaic energy storage type DC charging column and charging method |
| CN116031922A (en) * | 2023-02-24 | 2023-04-28 | 合肥云矩阵信息科技有限公司 | Multifunctional control system and control method for photovoltaic power generation |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107979160A (en) * | 2017-12-27 | 2018-05-01 | 广东产品质量监督检验研究院 | A kind of photovoltaic energy storage type DC charging column and charging method |
| CN116031922A (en) * | 2023-02-24 | 2023-04-28 | 合肥云矩阵信息科技有限公司 | Multifunctional control system and control method for photovoltaic power generation |
| CN116031922B (en) * | 2023-02-24 | 2023-10-31 | 鄂尔多斯市新能源开发利用有限公司 | Multifunctional control system and control method for photovoltaic power generation |
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