CN102709930B - Energy storage system - Google Patents
Energy storage system Download PDFInfo
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- CN102709930B CN102709930B CN201210176099.1A CN201210176099A CN102709930B CN 102709930 B CN102709930 B CN 102709930B CN 201210176099 A CN201210176099 A CN 201210176099A CN 102709930 B CN102709930 B CN 102709930B
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Abstract
The invention belongs to the technical field of energy storage, and particularly relates to an energy storage system, which comprises a master controller, a battery unit, a charging unit, a battery management unit, an inverter and an operation interface, wherein the battery unit stores electric energy, and comprises a plurality of battery packs which are connected in parallel; the charging unit charges the battery unit, and comprises a plurality of chargers which are connected with the battery packs in a one-to-one correspondence to charge single battery packs respectively; the battery management unit performs charging management on the battery unit; the inverter converts the direct current of the battery unit into alternating current; the operation interface displays and operates each parameter state of the energy storage system; in a valley period or other periods when the electric energy is required to be stored, the charging unit charges the battery unit by using alternating current commercial power; and in a peak period or other periods when the electric energy is required to be supplemented, the inverter converts the direct current of the battery unit into the alternating current for a load. By the energy storage system, a user can rationally utilize electric energy resources, and peak shaving and valley filling functions in a power grid are realized.
Description
Technical field
The invention belongs to energy storage technical field, be specifically related to a kind of energy-storage system.
Background technology
Along with the sustained and rapid development of national economy and improving constantly of people's living standard, power demand is growing, although the energy output in the whole nation constantly increases, can not meet the demand of people's life and industrial and agricultural development electricity consumption.Meanwhile, in real electricity consumption, also there is the place of a contradiction: daytime the peak in electricity consumption, supply of electric power wretched insufficiency, has restricted the development of the industries such as work, agriculture, business and transport; The low ebb that at 11 in evening is electricity consumption to the time period of 7 in morning, unnecessary electric energy can not get good utilization, causes the serious wasting of resources.Based on above-mentioned electricity consumption contradiction, electricity consumption is concentrated for fear of peak time in most industrial cities, encourages enterprise low ebb electricity consumption in period, launches preferential policies in the electricity price in low ebb period.
Valley power consumption can be avoided supply of electric power deficiency, and can greatly reduce the electricity charge, saves entreprise cost.But most of enterprise is all just opening when peak of power consumption on daytime, if require employee to be on night shift, can increase higher human cost.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, provide a kind of low power consumption store electrical energy in period, peak time that the energy-storage system of the electric energy of storage is provided.
A kind of energy-storage system, comprises the master controller for controlling whole energy-storage system;
For the battery unit of store electrical energy, described battery unit comprises the battery pack of multiple parallel connections;
For the charhing unit that battery unit is charged, described charhing unit comprises the mains electricity input end mouth being electrically connected with city, and the output of described charhing unit is connected with the input of battery unit; Described charhing unit comprises multiple chargers, and described charger and battery pack connect one to one, and charger is respectively to corresponding single battery group charging;
Battery unit is carried out to the battery management unit of Charge Management, described battery management unit is electrically connected with master controller;
The direct current of battery unit is converted to the inverter for the alternating current of load, and the input of described inverter is connected with the output of described battery unit, and described inverter is provided with the alternating current output for Voltage-output;
The operation interface that the each parameter state of energy-storage system is shown, operated, described operation interface is electrically connected with master controller;
When low power consumption phase or other need period of store electrical energy, electric main is filled with battery unit by main controller controls charhing unit; When peak times of power consumption or other need period of electric energy supplement, the direct current of battery unit is converted to the alternating current for load by inverter.
Wherein, described inverter is from net inverter or combining inverter.
Wherein, described energy-storage system also comprises the energy consumption monitoring device that the charge and discharge of energy-storage system are monitored, and described energy consumption monitoring device is electrically connected with master controller; The energy consumption that described energy consumption monitoring assembly monitor civil power is exported to load by inverter to energy consumption and the battery pack of charhing unit input.
Wherein, described energy-storage system also comprises the cloud server that every data of energy-storage system are collected, analyzed, and described cloud server is electrically connected with master controller.
Wherein, described master controller is provided with solar panel generating input port.
Wherein, described master controller is provided with wind power generation conversion input port.
Wherein, described cloud server comprises data acquisition unit, data storage cell and data analysis unit, and described data acquisition unit gathers monitor data, the management data of battery management unit and the operating data of operation interface of energy consumption monitoring device; The various data that described data storage cell storage data acquisition unit gathers; Described data analysis unit is according to the historical data analysis electricity condition of data storage cell, according to determining with power mode to realize intellectualized operation with electricity condition.
Wherein, described cloud server also comprises expenses management unit, and described expenses management unit calculates the expense producing and expense is managed according to the energy consumption data of data acquisition unit collection.
Beneficial effect of the present invention:
Energy-storage system of the present invention can need the period of store electrical energy that electric energy is temporarily stored in low power consumption period or other, discharge in peak of power consumption period or other time needing, allow user obtain electric energy from electrical network selectively, solve the problem of electric energy unbalanced supply-demand, as effectively supplementing of electrical network, play the effect of peak load shifting; In addition, user can be in the time that electricity price be lower store electrical energy, in the time that electricity price is higher by inversion to loading section or all power supplies, effectively reduced electric cost.
Brief description of the drawings
Fig. 1 is the structural representation of energy-storage system of the present invention.
1-cloud server; 2-master controller;
3-battery management unit; 4-energy consumption monitoring device;
5-charhing unit; 6-battery unit;
7-inverter; 8-operation interface;
9-load; 21-solar panel generating input port;
22-wind power generation conversion input port; 23-civil power.
Embodiment
Below in conjunction with embodiment, the present invention is further illustrated.
As shown in Figure 1, a kind of energy-storage system, comprises the master controller 2 for controlling whole energy-storage system;
For the battery unit 6 of store electrical energy, described battery unit 6 comprises the battery pack of multiple parallel connections;
For the charhing unit 5 that battery unit 6 is charged, described charhing unit 5 comprises the mains electricity input end mouth being connected with civil power 23, and the output of described charhing unit 5 is connected with the input of battery unit 6; Described charhing unit 5 comprises multiple chargers, and described charger and battery pack connect one to one, and charger is respectively to corresponding single battery group charging;
Battery unit 6 is carried out to the battery management unit 3 of Charge Management, described battery management unit 3 is electrically connected with master controller 2; Because the parameter of single battery group itself is different, the corresponding charger of battery management system control charging module charges to each battery pack respectively, can ensure that the stored energy of each battery pack reaches maximization, has extended the useful life of battery pack simultaneously.
The direct current of battery unit 6 is converted to the inverter 7 for the alternating current of load 9, the input of described inverter 7 is connected with the output of described battery unit 6, described inverter 7 is provided with the alternating current output for Voltage-output, and load 9 is connected with described alternating current output;
The operation interface 8 that the each parameter state of energy-storage system is shown, operated, described operation interface 8 is electrically connected with master controller 2;
When low power consumption phase or other need period of store electrical energy, master controller 2 is controlled charhing unit 5 electric main 23 is filled with to battery unit 6; When peak times of power consumption or other need period of electric energy supplement, the direct current of battery unit 6 is converted to the alternating current for load 9 by inverter 7.
Wherein, described inverter 7 is from net inverter or combining inverter.
Wherein, described energy-storage system also comprises the energy consumption monitoring device 4 that the charge and discharge of energy-storage system are monitored, and described energy consumption monitoring device 4 is electrically connected with master controller 2; Described energy consumption monitoring device 4 is monitored the energy consumption that energy consumption that civil power 23 inputs to charhing unit 5 and battery pack are exported to load 9 by inverter 7.
Wherein, described energy-storage system also comprises the cloud server 1 that every data of energy-storage system are collected, analyzed, and described cloud server 1 is electrically connected with master controller 2.
Wherein, described master controller 2 is provided with solar panel generating input port 21.
Wherein, described master controller 2 is provided with wind power generation conversion input port 22.
Energy-storage system of the present invention can access solar power system by the solar panel input port 21 that generates electricity, or change input port 22 by wind power generation and access wind generator system, charhing unit 6 is charged by solar energy or wind energy, effectively utilize the available resources in environment, store clean, the capable of circulation energy.
Wherein, described cloud server 1 comprises data acquisition unit, data storage cell and data analysis unit, and described data acquisition unit gathers monitor data, the management data of battery management unit 3 and the operating data of operation interface 8 of energy consumption monitoring device 4; The various data that described data storage cell storage data acquisition unit gathers; Described data analysis unit is according to the historical data analysis electricity condition of data storage cell, according to determining with power mode to realize intellectualized operation with electricity condition.
Wherein, described cloud server 1 also comprises expenses management unit, and described expenses management unit calculates the expense producing and expense is managed according to the energy consumption data of data acquisition unit collection.
Energy-storage system of the present invention can need the period of store electrical energy that electric energy is temporarily stored in low power consumption period or other, discharge in peak of power consumption period or other time needing, allow user obtain electric energy from electrical network selectively, solve the problem of electric energy unbalanced supply-demand, as effectively supplementing of electrical network, play the effect of peak load shifting; In addition, user can be in the time that electricity price be lower store electrical energy, in the time that electricity price is higher, by inversion, load 9 is partly or entirely powered, effectively reduced electric cost.
Above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although the present invention has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement technical scheme of the present invention, and not depart from essence and the scope of technical solution of the present invention.
Claims (7)
1. an energy-storage system, is characterized in that: comprise
For controlling the master controller of whole energy-storage system;
For the battery unit of store electrical energy, described battery unit comprises the battery pack of multiple parallel connections;
For the charhing unit that battery unit is charged, described charhing unit comprises the mains electricity input end mouth being electrically connected with city, and the output of described charhing unit is connected with the input of battery unit; Described charhing unit comprises multiple chargers, and described charger and battery pack connect one to one, and charger is respectively to corresponding single battery group charging;
For battery unit being carried out to the battery management unit of Charge Management, described battery management unit is electrically connected with master controller;
For the direct current of battery unit is converted to the inverter for the alternating current of load, the input of described inverter is connected with the output of described battery unit, and described inverter is provided with the alternating current output for Voltage-output;
The operation interface that the each parameter state of energy-storage system is shown, operated, described operation interface is electrically connected with master controller;
Also comprise the energy consumption monitoring device that the charge and discharge of energy-storage system are monitored, described energy consumption monitoring device is electrically connected with master controller; The energy consumption that described energy consumption monitoring assembly monitor civil power is exported to load by inverter to energy consumption and the battery pack of charhing unit input;
When low power consumption phase or other need period of store electrical energy, electric main is filled with battery unit by main controller controls charhing unit; When peak times of power consumption or other need period of electric energy supplement, the direct current of battery unit is converted to the alternating current for load by inverter.
2. a kind of energy-storage system according to claim 1, is characterized in that: described inverter is from net inverter or combining inverter.
3. a kind of energy-storage system according to claim 1, is characterized in that: described energy-storage system also comprises the cloud server that every data of energy-storage system are collected, analyzed, and described cloud server is electrically connected with master controller.
4. a kind of energy-storage system according to claim 1, is characterized in that: described master controller is provided with solar panel generating input port.
5. a kind of energy-storage system according to claim 1, is characterized in that: described master controller is provided with wind power generation conversion input port.
6. a kind of energy-storage system according to claim 3, it is characterized in that: described cloud server comprises data acquisition unit, data storage cell and data analysis unit, described data acquisition unit gathers monitor data, the management data of battery management unit and the operating data of operation interface of energy consumption monitoring device; The various data that described data storage cell storage data acquisition unit gathers; Described data analysis unit is according to the historical data analysis electricity condition of data storage cell, according to determining with power mode to realize intellectualized operation with electricity condition.
7. a kind of energy-storage system according to claim 6, is characterized in that: described cloud server also comprises expenses management unit, described expenses management unit calculates the expense producing and expense is managed according to the energy consumption data of data acquisition unit collection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210176099.1A CN102709930B (en) | 2012-05-31 | 2012-05-31 | Energy storage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210176099.1A CN102709930B (en) | 2012-05-31 | 2012-05-31 | Energy storage system |
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| CN102709930A CN102709930A (en) | 2012-10-03 |
| CN102709930B true CN102709930B (en) | 2014-08-06 |
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| CN201210176099.1A Expired - Fee Related CN102709930B (en) | 2012-05-31 | 2012-05-31 | Energy storage system |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102983585A (en) * | 2012-12-30 | 2013-03-20 | 东莞德世特电能科技有限公司 | Control method of intelligent energy storage system |
| CN104135022B (en) * | 2014-08-19 | 2016-03-23 | 四川省科本哈根能源科技有限公司 | A kind of parallel generator operation method of scene |
| CN104184161A (en) * | 2014-09-15 | 2014-12-03 | 绿源霖节能科技（天津）有限公司 | Battery energy storage device and method used for balancing power grid loads |
| CN104579164B (en) * | 2014-12-31 | 2018-05-29 | 阿特斯阳光电力集团有限公司 | A kind of photovoltaic energy storage system performance monitoring method, apparatus and system |
| CN107359635A (en) * | 2017-08-14 | 2017-11-17 | 国网天津市电力公司 | A kind of family's electric energy management system and method based on power system peak interval of time |
| CN108281977A (en) * | 2018-03-28 | 2018-07-13 | 山东威马泵业股份有限公司 | A kind of enterprise power supply device and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101557115A (en) * | 2009-05-15 | 2009-10-14 | 江苏省电力公司金湖县供电公司 | Energy storing device for supplying valley current at peak of current supply |
| CN101882809A (en) * | 2010-05-26 | 2010-11-10 | 上海先甲新能源科技有限公司 | Power supply method connecting new energy source and network power supply in parallel and having pitch peak converting control |
| CN202167860U (en) * | 2011-07-15 | 2012-03-14 | 珠海银通新能源有限公司 | Intelligent energy storage machine |
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2012
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101557115A (en) * | 2009-05-15 | 2009-10-14 | 江苏省电力公司金湖县供电公司 | Energy storing device for supplying valley current at peak of current supply |
| CN101882809A (en) * | 2010-05-26 | 2010-11-10 | 上海先甲新能源科技有限公司 | Power supply method connecting new energy source and network power supply in parallel and having pitch peak converting control |
| CN202167860U (en) * | 2011-07-15 | 2012-03-14 | 珠海银通新能源有限公司 | Intelligent energy storage machine |
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| CN102709930A (en) | 2012-10-03 |
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Granted publication date: 20140806 Termination date: 20160531 |