CN112769214A - Photovoltaic energy storage control system - Google Patents
Photovoltaic energy storage control system Download PDFInfo
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- CN112769214A CN112769214A CN202110205074.9A CN202110205074A CN112769214A CN 112769214 A CN112769214 A CN 112769214A CN 202110205074 A CN202110205074 A CN 202110205074A CN 112769214 A CN112769214 A CN 112769214A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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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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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Photovoltaic Devices (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a photovoltaic energy storage control system, which comprises a detector unit, a control unit and a control unit, wherein the detector unit is connected with each input/output terminal of an energy storage system through a cable and is used for detecting data indexes of each unit; the control console comprises a voltage control unit, a current conversion control unit and an electric energy output unit; an energy storage unit; a battery protection unit; a one-way charge blocking unit; the solar panel power generation unit is characterized in that a unidirectional charging blocking unit, a storage battery protection unit, a detector unit and a control console are additionally arranged between the solar panel power generation unit and the energy storage unit, wherein the solar detection unit in the detector unit is used for monitoring data of converted electric energy of the solar panel, so that the normal operation of the solar panel is ensured, the safety of the solar panel and the storage battery in the photovoltaic base station can be effectively improved, and the maintenance frequency of the base station is reduced.
Description
Technical Field
The invention belongs to the technical field of energy storage control, and particularly relates to a photovoltaic energy storage control system.
Background
The photovoltaic is a solar photovoltaic power generation system for short, which is a power generation system for directly converting solar radiation energy into electric energy by using the photovoltaic effect of a solar cell semiconductor material and has two modes of independent operation and grid-connected operation. Photovoltaics are divided into two categories, one is centralized, such as large northwest ground photovoltaic power generation systems; one is distributed, such as residential rooftop photovoltaic power generation systems. The application of the energy storage system in the power grid mainly considers the application of a plurality of functions such as load regulation, new energy access coordination, line loss compensation, power compensation, electric energy quality improvement, isolated network operation, peak clipping and valley filling and the like. Such as: the peak clipping and valley filling are carried out, the operation curve of a power grid is improved, the energy storage power station is like a reservoir, surplus water in the low-ebb period of power utilization can be stored and taken out for use in the peak period of power utilization, and therefore waste of electric energy is reduced; in addition, the energy storage power station can also reduce line loss and prolong the service life of circuits and equipment.
In order to improve the self electricity storage efficiency and the self safety of a photovoltaic base station, a photovoltaic energy storage control system is provided.
Disclosure of Invention
The present invention is directed to a photovoltaic energy storage control system, so as to solve the problems mentioned in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a photovoltaic energy storage control system, comprising: the detector unit is connected with each input/output terminal of the energy storage system through a cable and used for detecting data indexes of each unit, the detector unit comprises an energy storage battery detection unit, a solar energy detection unit and an input/output end, the energy storage battery detection unit is used for detecting an energy storage battery, ensuring that the energy storage battery keeps constant safe temperature and stable current input/output while stably charging, the solar energy detection unit is used for detecting a solar panel, ensuring that each solar panel can normally work and has stable output current, controlling the heat dissipation of the energy storage unit according to the output current of the solar panel at any moment, and the input/output end is used for being connected with a control console;
the control console is connected with the detector unit through a cable and comprises a voltage control unit, a current conversion control unit and an electric energy output unit, wherein the voltage control unit is used for adjusting the voltage output by the storage battery to the electric energy output unit, the current conversion control unit is used for converting alternating current signals in the detector inner unit into direct current, and the electric energy output unit outputs the converted direct current to an electric appliance or transmits the direct current to a high-voltage cable;
the energy storage unit is formed by connecting a plurality of colloid storage batteries;
the storage battery protection unit comprises a radiator, and the radiator radiates heat through a radiating copper pipe in the energy storage unit by detecting the temperature of the colloid storage battery in the energy storage unit;
the unidirectional charging blocking unit controls the electric energy to only flow to the energy storage unit through an internal unidirectional thyristor, and reverse current cannot be caused, so that equipment is overloaded and damaged;
and a solar panel power generation unit which is a solar panel made of a semiconductor material such as silicon.
Preferably, a transformer is arranged in the voltage control unit, and transforms the electric energy provided by the storage battery and transmits the electric energy to the electric energy output unit to output the electric energy.
Preferably, the current conversion control unit includes an inverter therein, and the inverter is capable of converting the ac power output from the input/output terminal in the detector unit into dc power for transmission.
Preferably, the radiator in the storage battery protection unit can control the temperature of the colloid storage battery pack, and the overload protector is additionally arranged in the radiator, so that the connection between the energy storage unit and the solar panel power generation unit can be timely cut off when other electrical appliances are damaged, the colloid storage battery is ensured not to be damaged, and the colloid storage battery can be reconnected and can be continuously used.
Preferably, the energy storage unit is independent of other units and is independently connected with the storage battery protection unit, the storage battery protection unit can independently control the energy storage unit, and the storage battery protection unit transmits the electric quantity in the colloid storage battery to the voltage control unit.
The invention has the technical effects and advantages that: the system is characterized in that a unidirectional charging blocking unit, a storage battery protection unit, a detector unit and a control console are additionally arranged between a solar panel power generation unit and an energy storage unit, wherein data of converted electric energy of the solar panel power generation unit is monitored by a solar detection unit in the detector unit, normal operation of the solar panel is ensured, normal input and output of the energy storage unit are ensured by detecting a colloid storage battery pack by the energy storage battery detection unit, electric energy in the colloid storage battery is transmitted to a voltage control unit to be pressurized, and then an inverter in the current conversion control unit converts alternating current into direct current for transmission to supply power to each electric appliance or an electric energy output unit to an external base station.
Drawings
Fig. 1 is a schematic structural diagram of a photovoltaic energy storage control system according to the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a photovoltaic energy storage control system as shown in fig. 1, comprising:
the detector unit is connected with each input/output terminal of the energy storage system through a cable and used for detecting data indexes of each unit, the detector unit comprises an energy storage battery detection unit, a solar energy detection unit and an input/output end, the energy storage battery detection unit is used for detecting an energy storage battery, ensuring that the energy storage battery keeps constant safe temperature and stable current input/output while stably charging, the solar energy detection unit is used for detecting a solar panel, ensuring that each solar panel can normally work and has stable output current, controlling the heat dissipation of the energy storage unit according to the output current of the solar panel at any moment, and the input/output end is used for being connected with a control console;
the control console is connected with the detector unit through a cable and comprises a voltage control unit, a current conversion control unit and an electric energy output unit, wherein the voltage control unit is used for adjusting the voltage output by the storage battery to the electric energy output unit, the current conversion control unit is used for converting alternating current signals in the detector inner unit into direct current, and the electric energy output unit outputs the converted direct current to an electric appliance or transmits the direct current to a high-voltage cable; the energy storage unit is formed by connecting a plurality of colloid storage batteries; the storage battery protection unit comprises a radiator, and the radiator radiates heat through a radiating copper pipe in the energy storage unit by detecting the temperature of the colloid storage battery in the energy storage unit; the unidirectional charging blocking unit controls the electric energy to only flow to the energy storage unit through an internal unidirectional thyristor, and reverse current cannot be caused, so that equipment is overloaded and damaged; and a solar panel power generation unit which is a solar panel made of a semiconductor material such as silicon.
Through the technical scheme, the unidirectional charging blocking unit, the storage battery protection unit, the detector unit and the control console are designed and added between the solar panel power generation unit and the energy storage unit, wherein the solar detection unit in the detector unit monitors the data of converted electric energy of the solar detection unit, the normal operation of the solar panel is ensured, the energy storage battery detection unit detects the colloid storage battery pack to ensure the normal input and output of the energy storage unit, then the electric energy in the colloid storage battery is transmitted to the voltage control unit to be pressurized, and then the inverter in the current conversion control unit converts alternating current into direct current for transmission to supply power to each electric appliance of the electric energy output unit or transmits the electric energy to an external base station.
In the embodiment, the voltage control unit is internally provided with the transformer which transforms the electric energy provided by the storage battery and transmits the electric energy to the electric energy output unit to output the electric energy; the current conversion control unit comprises an inverter which can convert alternating current output by the input end and the output end in the detector unit into direct current for transmission; the radiator in the storage battery protection unit can control the temperature of the colloid storage battery pack, and the overload protector is designed and added in the storage battery protection unit, so that the connection between the energy storage unit and the solar panel power generation unit can be timely cut off when other electric appliances are damaged, the colloid storage battery can be ensured not to be damaged, and the colloid storage battery can be reconnected and can be continuously used; the energy storage unit is independent of other units and is independently connected with the storage battery protection unit, the storage battery protection unit can independently control the energy storage unit, and the storage battery protection unit transmits the electric quantity in the colloid storage battery to the voltage control unit; the colloid storage battery in the energy storage unit has stronger safety, storage capacity and service life compared with the conventional liquid electrolyte storage battery, the photovoltaic base station is far away, the maintenance frequency can be reduced, and the output of the storage battery is monitored by the precise ammeter designed in the energy storage battery detection unit at any time, so that the intelligent monitoring effect is realized.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. A photovoltaic energy storage control system, comprising:
the detector unit is connected with each input/output terminal of the energy storage system through a cable and used for detecting data indexes of each unit, the detector unit comprises an energy storage battery detection unit, a solar energy detection unit and an input/output end, the energy storage battery detection unit is used for detecting an energy storage battery, ensuring that the energy storage battery keeps constant safe temperature and stable current input/output while stably charging, the solar energy detection unit is used for detecting a solar panel, ensuring that each solar panel can normally work and has stable output current, controlling the heat dissipation of the energy storage unit according to the output current of the solar panel at any moment, and the input/output end is used for being connected with a control console;
the control console is connected with the detector unit through a cable and comprises a voltage control unit, a current conversion control unit and an electric energy output unit, wherein the voltage control unit is used for adjusting the voltage output by the storage battery to the electric energy output unit, the current conversion control unit is used for converting alternating current signals in the detector inner unit into direct current, and the electric energy output unit outputs the converted direct current to an electric appliance or transmits the direct current to a high-voltage cable;
the energy storage unit is formed by connecting a plurality of colloid storage batteries;
the storage battery protection unit comprises a radiator, and the radiator radiates heat through a radiating copper pipe in the energy storage unit by detecting the temperature of the colloid storage battery in the energy storage unit;
the unidirectional charging blocking unit controls the electric energy to only flow to the energy storage unit through an internal unidirectional thyristor, and reverse current cannot be caused, so that equipment is overloaded and damaged;
and a solar panel power generation unit which is a solar panel made of a semiconductor material such as silicon.
2. The photovoltaic energy storage control system of claim 1, wherein: the voltage control unit is internally provided with a transformer which transforms the electric energy provided by the storage battery and transmits the electric energy to the electric energy output unit to output the electric energy.
3. The photovoltaic energy storage control system of claim 1, wherein: the current conversion control unit comprises an inverter which can convert alternating current output by the input end and the output end in the detector unit into direct current for transmission.
4. The photovoltaic energy storage control system of claim 1, wherein: the radiator in the storage battery protection unit can control the temperature of the colloid storage battery pack, and the overload protector is additionally designed in the radiator, so that the connection between the colloid storage battery pack and the energy storage unit and the solar panel power generation unit can be timely cut off when other electric appliances are damaged, the colloid storage battery pack is prevented from being damaged, and the colloid storage battery pack can be reconnected and can be continuously used.
5. The photovoltaic energy storage control system of claim 1, wherein: the energy storage unit is independent of other units and is independently connected with the storage battery protection unit, the storage battery protection unit can independently control the energy storage unit, and the storage battery protection unit transmits the electric quantity in the colloid storage battery to the voltage control unit.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110205074.9A CN112769214A (en) | 2021-02-24 | 2021-02-24 | Photovoltaic energy storage control system |
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| CN202110205074.9A CN112769214A (en) | 2021-02-24 | 2021-02-24 | Photovoltaic energy storage control system |
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| CN112769214A true CN112769214A (en) | 2021-05-07 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412758A (en) * | 2011-11-18 | 2012-04-11 | 中国南方航空工业(集团)有限公司 | Portable solar power supply system |
| CN102801367A (en) * | 2012-08-21 | 2012-11-28 | 范志平 | Solar electric power generation device |
| CN103138297A (en) * | 2011-11-23 | 2013-06-05 | 西安博昱新能源有限公司 | Solar concentrating power monitoring system |
| CN104219826A (en) * | 2013-08-19 | 2014-12-17 | 郑荣裕 | Highly integrated intelligent photovoltaic energy storage control system |
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2021
- 2021-02-24 CN CN202110205074.9A patent/CN112769214A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102412758A (en) * | 2011-11-18 | 2012-04-11 | 中国南方航空工业(集团)有限公司 | Portable solar power supply system |
| CN103138297A (en) * | 2011-11-23 | 2013-06-05 | 西安博昱新能源有限公司 | Solar concentrating power monitoring system |
| CN102801367A (en) * | 2012-08-21 | 2012-11-28 | 范志平 | Solar electric power generation device |
| CN104219826A (en) * | 2013-08-19 | 2014-12-17 | 郑荣裕 | Highly integrated intelligent photovoltaic energy storage control system |
Non-Patent Citations (2)
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| 国家环境保护局: "《国家环境最佳实用技术汇编》", 31 May 1994 * |
| 程明等: "《可再生能源发电技术》", 31 October 2020 * |
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Application publication date: 20210507 |