CN204046187U - A kind of battery energy storage device for balancing power network load - Google Patents
A kind of battery energy storage device for balancing power network load Download PDFInfo
- Publication number
- CN204046187U CN204046187U CN201420530378.8U CN201420530378U CN204046187U CN 204046187 U CN204046187 U CN 204046187U CN 201420530378 U CN201420530378 U CN 201420530378U CN 204046187 U CN204046187 U CN 204046187U
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- China
- Prior art keywords
- battery pack
- energy storage
- pack cabinet
- storage device
- battery
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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
Abstract
The utility model discloses a kind of battery energy storage device for balancing power network load, wherein, described battery energy storage device comprises battery pack cabinet, integral type controller, solar modules, wherein said integral type controller comprises control device, charger and inverter, electrical network electric energy charges to described battery pack cabinet by described charger, the direct current of described battery pack cabinet is transformed into alternating current and supply power supply electric screen by described inverter, described control device controls filling of battery pack cabinet according to electricity price, discharge mode, described control device monitoring battery pack cabinet energy storage capacity, power-supplying forms is controlled according to battery pack cabinet energy storage capacity.Electrical network when the battery energy storage device for balancing power network load that the utility model provides utilizes electricity price low and solar energy organically combine and charge to battery pack cabinet, optimize the service behaviour of battery energy storage device.
Description
Technical field
The utility model relates to the energy storage device in network system, relates more specifically to a kind of battery energy storage device for balancing power network load.
Background technology
Electrical network is very unbalanced at the load of different period every day, daytime, peak period, power consumption was higher, evening, low-valley interval power consumption was lower, and electricity price also produces gradient according to period difference, to supply if the power storage of low-valley interval electrical network can be got up when peak of power consumption, the load of peak time electrical network can not only be reduced, also bring considerable economic benefit.Under power supply unit needs the larger situation of electricity, the electric energy that low-valley interval stores can not supply the demand of peak period completely, brings certain restriction to the use of battery energy storage device.
Summary of the invention
The utility model provides a kind of battery energy storage device to solve deficiency of the prior art, according to electricity price gradient, electrical power storage when electricity price is lower is got up, supply when electricity price is higher, the green energy resource of sunlight is introduced energy storage device simultaneously, solve the problem that simple grid charging electricity can not supply for a long time, electrical network when utilizing electricity price low and solar energy organically combine and charge to battery pack cabinet, optimize the service behaviour of battery energy storage device.
For achieving the above object, the technical solution adopted in the utility model is:
For a battery energy storage device for balancing power network load, described battery energy storage device comprises:
Battery pack cabinet;
Integral type controller, described integral type controller provides electric energy to power supply electric screen and controls the charge and discharge pattern of battery pack cabinet;
Solar modules, is charged to battery pack cabinet by integral type controller;
Wherein said integral type controller comprises control device, charger and inverter, electrical network electric energy charges to described battery pack cabinet by described charger, and the direct current of described battery pack cabinet is transformed into alternating current and supply power supply electric screen by described inverter;
Described control device controls the charge and discharge pattern of battery pack cabinet according to electricity price, when electricity price is low, controls charger and charges to battery pack cabinet; When electricity price height, the power delivery of battery pack cabinet is given power supply electric screen by control inverter; When there being sunlight, prioritizing selection is charged to battery pack cabinet by solar modules, and solar modules charging and grid charging can carry out also can carrying out separately simultaneously;
Described control device monitoring battery pack cabinet energy storage capacity, control power-supplying forms according to battery pack cabinet energy storage capacity, when energy storage capacity is greater than discharge threshold, is discharged to power supply electric screen by battery pack cabinet and electric energy is provided, when energy storage capacity is less than discharge threshold, provide electric energy by electrical network directly to power supply electric screen.
As a kind of preferred version of the battery energy storage device for balancing power network load described in the utility model, described battery pack cabinet also has batter life extender, and batter life extender compensates battery pack cabinet.
As a kind of preferred version of the battery energy storage device for balancing power network load described in the utility model, described energy storage device also comprises supervising device, Real-Time Monitoring battery pack cabinet parameter information, the parameter information of monitoring comprise in the internal resistance of cell, real-time current, voltage and temperature any one or a few.
As a kind of preferred version of the battery energy storage device for balancing power network load described in the utility model, described supervising device comprises local warning and long-distance monitorng device, after the parameter of monitoring exceeds preset value, the control panel of supervising device shows and sends warning, and alarm can be sound, digital flashing lamp form.Remote control refers to and record each parameter in third party's display unit, also can not know the performance parameter of whole device at the scene.
Beneficial effect:
The battery energy storage device of balancing power network load described in the utility model, according to electricity price gradient, electrical power storage when electricity price is lower is got up, supply when electricity price is higher, the green energy resource of sunlight is introduced energy storage device simultaneously, solve the problem that simple grid charging electricity can not supply for a long time, electrical network when utilizing electricity price low and solar energy organically combine and charge to battery pack cabinet, optimize the service behaviour of battery energy storage device.
Accompanying drawing explanation
Fig. 1 is the structural representation of the battery energy storage device that the utility model provides.
Fig. 2 is the battery energy storage device operating diagram of a kind of balancing power network load that the utility model provides.
Wherein: 10, battery pack cabinet 20, integral type controller 21, charger 22, inverter 23, control device 30, solar modules 40, batter life extender 50, electrical network 60, power supply electric screen 70, supervising device
These accompanying drawings are unnecessary proportionally to be drawn, disclosed embodiment is illustrated by graphical sysmbol, dotted line, diagrammatic representation and partial view sometimes, under specific circumstances, may have been omitted the details in these figure, these details are unnecessary for the disclosed battery energy storage device of understanding.Should be appreciated that the disclosure is not limited to illustrate in the accompanying drawings and disclosed specific embodiment again.In brief, it should be apparent to those skilled in the art that a large amount of variation by fall into the disclosure and claims spirit and scope within.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
Embodiment 1
As shown in Figure 1, a kind of battery energy storage device for balancing power network load, comprise battery pack cabinet 10, integral type controller 20, solar modules 30, batter life extender 40, integral type controller 20 comprises charger 21, inverter 22, control device 23, the electric energy of electrical network 50 charges to described battery pack cabinet 10 by charger 21, the direct current of battery pack cabinet 10 is transformed into alternating current and supply power supply electric screen 60 by inverter 22, or as uninterrupted power supply for other equipment provide electric energy.Batter life extender 40 pairs of battery pack cabinets 10 compensate, to improve battery pack cabinet 10 life-span.
Described control device 23 controls the charge and discharge pattern of battery pack cabinet 10 according to electricity price, when electricity price is low, controls charger and charges to battery pack cabinet, until reach charge threshold; When electricity price height, the power delivery band of battery pack cabinet is powered electric screen by control inverter, until discharge into the discharge threshold of battery pack cabinet; When there being sunlight, prioritizing selection is charged by solar modules 30 pairs of battery pack cabinets 10; Solar modules 30 is charged and electrical network 50 charging can be carried out also can carrying out separately simultaneously.
The energy storage capacity of battery pack cabinet 10 monitored by described control device 23, power-supplying forms is controlled according to battery pack cabinet energy storage capacity, when energy storage capacity is greater than discharge threshold, discharged to power supply electric screen 60 by battery pack cabinet 10 and electric energy is provided, when energy storage capacity is less than discharge threshold, provide electric energy by electrical network 50 directly to power supply electric screen 60.When wherein battery pack cabinet 10 carries out charge and discharge, charge threshold and discharge threshold all can set according to actual needs, carry out peak and put the effect that paddy fills, preferably to play to network load, described charge threshold is 100% battery pack cabinet capacity, and described discharge threshold is 80% battery pack cabinet capacity.
Preferably, battery pack cabinet 10 also has supervising device 70, battery pack cabinet 10 is made up of multiple battery, supervising device and each battery separate connection, the internal resistance of single battery can be detected, real-time current, voltage and temperature parameter, supervising device control panel shows every numerical value in real time, and record in long-distance monitorng device and store, after arbitrary parameter of wherein certain battery or whole battery pack cabinet exceedes the preset value of normal range of operation numerical value, the control panel of supervising device carries out warning reminding, and remote control carries out alarm simultaneously, once battery pack cabinet occurs abnormal, power-supplying forms is switched to mains supply pattern by control device 23 automatically.
As shown in Figure 2, be the battery energy storage device darg situation described in an application.
Electricity price according to certain city specifies, one day is divided into five continuous operation periods, be low-valley interval at 0:00-8:00, directly power supply electric screen 60 is powered by electrical network 50, electrical network 50 is charged by charger 21 pairs of battery pack cabinets 10 simultaneously, charge after reaching charge threshold complete, wait for that subsequent period arrives; It is peak period at 8:00-12:00, by battery pack cabinet 10 by inverter 22 discharge to power supply electric screen 60 power, if there is sunlight this period, then charged by solar modules 30 pairs of battery pack cabinets 10, after battery pack cabinet electricity is lower than discharge threshold, stop electric discharge, powered directly to power supply electric screen 60 by electrical network 50, until the next period arrives; Be the flat section period at 12:00-17:00, powered directly to power supply electric screen 60 by electrical network 50, electrical network 50 and solar modules 30 are charged to battery pack cabinet 10, until reach charge threshold simultaneously; Be peak period at 17:00-21:00, to be discharged by inverter 22 by battery pack cabinet 10 and to power to power supply electric screen 60, after battery pack cabinet electricity is lower than discharge threshold, stop electric discharge, powered directly to power supply electric screen 60 by electrical network 50, this period does not charge; Be the flat section period at 21:00-24:00, powered directly to power supply electric screen 60 by electrical network 50, this period does not charge.
Although be illustrated execution mode of the present utility model in specification, these execution modes just as prompting, should not limit protection range of the present utility model.In the scope not departing from the utility model aim, carry out various omission, displacement and change all should be included in protection range of the present utility model.
Claims (5)
1. for a battery energy storage device for balancing power network load, it is characterized in that: described battery energy storage device comprises:
Battery pack cabinet;
Integral type controller, described integral type controller provides electric energy to power supply electric screen and controls the charge and discharge pattern of battery pack cabinet;
Solar modules, is charged to battery pack cabinet by integral type controller;
Wherein said integral type controller comprises control device, charger and inverter, electrical network electric energy charges to described battery pack cabinet by described charger, and the direct current of described battery pack cabinet is transformed into alternating current and supply power supply electric screen by described inverter.
2. the battery energy storage device for balancing power network load according to claim 1, is characterized in that: described battery pack cabinet also has batter life extender, and batter life extender compensates battery pack cabinet.
3. the battery energy storage device for balancing power network load according to claim 1, is characterized in that: described energy storage device also comprises supervising device, Real-Time Monitoring battery pack cabinet parameter information.
4. the battery energy storage device for balancing power network load according to claim 3, is characterized in that: described supervising device comprises local warning and long-distance monitorng device.
5. the battery energy storage device for balancing power network load according to claim 3, is characterized in that: described battery pack cabinet parameter information comprise in the internal resistance of cell, real-time current, voltage and temperature any one or a few.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530378.8U CN204046187U (en) | 2014-09-15 | 2014-09-15 | A kind of battery energy storage device for balancing power network load |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420530378.8U CN204046187U (en) | 2014-09-15 | 2014-09-15 | A kind of battery energy storage device for balancing power network load |
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| Publication Number | Publication Date |
|---|---|
| CN204046187U true CN204046187U (en) | 2014-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420530378.8U Expired - Fee Related CN204046187U (en) | 2014-09-15 | 2014-09-15 | A kind of battery energy storage device for balancing power network load |
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| Country | Link |
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| CN (1) | CN204046187U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016041422A1 (en) * | 2014-09-15 | 2016-03-24 | 绿源霖节能科技（天津）有限公司 | Battery energy storage device and method for balancing power grid load |
-
2014
- 2014-09-15 CN CN201420530378.8U patent/CN204046187U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016041422A1 (en) * | 2014-09-15 | 2016-03-24 | 绿源霖节能科技（天津）有限公司 | Battery energy storage device and method for balancing power grid load |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20170915 |
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| CF01 | Termination of patent right due to non-payment of annual fee |