CN103595348B - Family photovoltaic intelligent control system - Google Patents
Family photovoltaic intelligent control system Download PDFInfo
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- CN103595348B CN103595348B CN201310585935.6A CN201310585935A CN103595348B CN 103595348 B CN103595348 B CN 103595348B CN 201310585935 A CN201310585935 A CN 201310585935A CN 103595348 B CN103595348 B CN 103595348B
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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
- Y02B10/10—Photovoltaic [PV]
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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
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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 invention provides a kind of family photovoltaic intelligent control system, comprising: conflux lightning protection device; Energy-storage battery; Photovoltaic controller, is connected with the external part of the lightning protection device that confluxes, a DC bus and energy-storage battery, for controlling the charge and discharge process of energy-storage battery and being direct current electricity consumption load supplying; Energy manager, is connected with DC bus, unidirectional electric energy list catenation, is transmitted by electric energy for the different conditions according to electric energy according to different directions; Controller, is connected with photovoltaic controller, unidirectional electric energy table and energy manager, for gathering, processing and export generating information, the discharge and recharge information of energy-storage battery, the information about power of photovoltaic module array, and controls for system parameter settings, operation.The present invention can avoid the large scale system design and construction process of photovoltaic application system, and without waste of energy.
Description
Technical field
The present invention relates to Solar use and electric energy switch technology field, specifically, the present invention be more particularly directed to a kind of family photovoltaic intelligent control system being applicable to the Mini Tissue such as family, trade company.
Background technology
In modern society, non-renewable energy resources consume in a large number, and energy problem highlights day by day, and the consumption as the family of one of energy the main consuming body constantly increases.How to solve the problem that this is on the rise, people constantly attempt adopting photovoltaic technology to meet the part energy resource consumption of family.But also do not complete a comparatively reasonably technical scheme at present.General off-grid system simplicity of design, cost are lower, but its photovoltaic utilance is low, need to configure a large amount of storage batterys for power storage, simultaneously because using of using electricity system can be uncertain, make off-grid system there is essential defect; And grid-connected system exists the more defect such as system complex, cost are high, performance difficulty, be not easy to spread.
Such as, Chinese patent CN202364159U relates to a kind of photovoltaic energy storage device, and it both can be charge in batteries, electric energy can be supplied to load and electrical network again.But not being considered as product electric energy should also provide to the possibility of DC load, this invention simultaneously does not realize the Optimum utilization of electric energy, cause the waste of electric energy, electric energy can only be used at times, and design idealization, do not take into account the uncertainty of solar energy, make this design cannot meet the application of truth.
Chinese patent application CN102195523A relates to a kind of intelligent solar photovoltaic power supply system, Chinese patent CN201504107U relates to a kind of household portable solar photovoltaic power, the two solves the subproblem of photo-voltaic power supply in application process respectively, overal system design is simple, but all belong to from net photovoltaic system, when batteries is fixing, photovoltaic utilance is low, and cannot solve illumination condition good time the unnecessary electric energy that produces, cause the waste of electric energy, application prospect is limited.
Therefore, how to design a family photovoltaic intelligent control system, make it will be convenient on the one hand implement, reduce manufacturing cost, once have, just no longer need large-scale system and work progress, meet the demand of different home on the other hand again, control system is simple, integration degree is high, floor space is little, realize with utility grid, household electricity system slitless connection, while all can be able to run under with or without the condition of utility grid again, be that people need global question urgently to be resolved hurrily.
Summary of the invention
The object of the present invention is to provide a kind of family photovoltaic intelligent control system, to solve the problems such as the technical scheme of prior art existence is complicated or energy utilization rate is low.
In order to solve the problem, the invention provides a kind of family photovoltaic intelligent control system, its technical scheme is as follows:
A kind of family photovoltaic intelligent control system, comprising: conflux lightning protection device, and input is used for being connected with photovoltaic module array, to converge the connecting line of electric current from photovoltaic module array and minimizing photovoltaic module array; Energy-storage battery, for storing and release electric energy; Photovoltaic controller, is connected with the external part of the described lightning protection device that confluxes, a DC bus and described energy-storage battery, for controlling the charge and discharge process of described energy-storage battery and being direct current electricity consumption load supplying; Unidirectional electric energy table, for being connected with interchange electric loading, for recording the power information of interchange electric loading; Energy manager, is connected with described DC bus, unidirectional electric energy list catenation, is transmitted by electric energy for the different conditions according to electric energy according to different directions; Controller, be connected with described photovoltaic controller, unidirectional electric energy table and energy manager, for gathering, processing and export generating information, the discharge and recharge information of described energy-storage battery, the information about power of photovoltaic module array, and control for system parameter settings, operation.
Preferably, in described family photovoltaic intelligent control system, also comprise: bidirectional power meter, be connected between utility grid and described energy manager, with record photovoltaic array component generate electricity the grid-connected information that can be delivered to utility grid and use urban network electricity can information, and to be connected with described controller.
Preferably, in described family photovoltaic intelligent control system, also comprise: control cubicle, described in conflux lightning protection device, photovoltaic controller, energy manager, energy-storage battery, controller, bidirectional power meter, unidirectional electric energy table, DC bus be integrated in described control cubicle.
Preferably, in described family photovoltaic intelligent control system, the sidewall of described control cubicle is provided with the photovoltaic electrical energy inputs being convenient to connect photovoltaic array component and the described lightning protection device that confluxes, the city's net input being convenient to be connected utility grid and described bidirectional power meter, the DC load electricity consumption end being convenient to be connected the interchange AC load electricity consumption end of electric loading and described unidirectional electric energy table, being convenient to be connected direct current electric loading and described photovoltaic controller.
Preferably, in described family photovoltaic intelligent control system, described energy-storage battery is lead-acid battery, lithium ion battery or Ni-MH battery.
Preferably, in described family photovoltaic intelligent control system, described energy-storage battery is lithium ion battery.
Preferably, in described family photovoltaic intelligent control system, described energy-storage battery has insulation shell.
Preferably, in described family photovoltaic intelligent control system, also comprise: display, be connected with described controller, for showing the information that described controller exports.
Preferably, in described family photovoltaic intelligent control system, described photovoltaic electrical energy inputs generate electricity by photovoltaic module array can input port, comprise positive wire, cathode conductor and lightning protection line.
Preferably, in described family photovoltaic intelligent control system, described DC load electricity consumption end is used for power supply to direct current electric loading, and is provided with and freely switches gear knob, to export different voltage.
Preferably, in described family photovoltaic intelligent control system, described display is LED, OLED, LCD, CRT or numeral method device.
Preferably, in described family photovoltaic intelligent control system, described display is light-emitting diode display.
The invention provides a kind of family photovoltaic intelligent control system, it can avoid the large scale system design and construction process of photovoltaic application system, the demand of the Mini Tissue such as family, trade company can be met, control system is simple, integration degree is high, floor space is little, can realize and utility grid, household electricity system slitless connection, all can run under with or without the condition of utility grid, strong adaptability, is convenient to marketing simultaneously.In today of the continuous family oriented of current photovoltaic application, the present invention can be good at meeting family needs, and have a extensive future, promotion potential is huge.
Accompanying drawing explanation
Fig. 1 is the system principle diagram of the embodiment of the present invention;
Fig. 2 is the front schematic view of the control cubicle of the embodiment of the present invention;
Fig. 3 is the side schematic view of the control cubicle of the embodiment of the present invention.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in further details.
Fig. 1 schematically illustrates the theory structure of the preferred embodiment of the present invention, as shown in the figure, this preferred embodiment comprise control cubicle 5 and be arranged in the bidirectional power meter 11 of control cubicle 5, energy manager 12, unidirectional electric energy table 13, the lightning protection device 14 that confluxes, photovoltaic controller 15, energy-storage battery 16, controller 17(also can be called master controller), DC bus 18.In order to show the application of this preferred embodiment, Fig. 1 also show utility grid 4, photovoltaic module array 3, direct current electric loading 21, exchange by electric loading 22, in addition as shown in figures 1 and 3, the photovoltaic electrical energy inputs 71 be connected with photovoltaic module array 3 of this preferred embodiment, the city's net input 72 be connected with utility grid 4, the AC load electricity consumption end 73 be connected by electric loading 22 with interchange, the sidewall of control cubicle 5 is located in the connectivity ports such as the DC load electricity consumption end 74 be connected by electric loading 21 with direct current, easy to use, control cubicle 5 need not be opened and can realize system buildup.
Again as shown in Figure 1, the lightning protection device 14 that confluxes is connected between photovoltaic module array 3 and photovoltaic controller 15, and it is for converging the electric current from described photovoltaic module array, reduces the connecting line between photovoltaic module array 3 and photovoltaic controller 15 simultaneously, maintain easily, improve reliability.It generally comprises lightning protection device/circuit breaker, and is directly connected with photovoltaic controller 15 by lightning protection device/circuit breaker.This preferred embodiment carries out ground connection by city's net input 72, guarantees system electrical safety.
DC bus 18 is connected with energy manager 12 with photovoltaic controller 15, energy-storage battery 16 respectively.
Photovoltaic controller 15 is connected to the lightning protection device 14 that confluxes, DC bus 18 be connected to direct current electric loading 21 by DC load electricity consumption end 74.The energy-storage battery 16 be connected with DC bus 18 is for storage of electrical energy.
Energy manager 12 is connected to DC bus 18, interchange electric loading 22 and utility grid 4, and it is for realizing rectification and invert function, is transmitted by electric energy with the energy information by detecting DC bus 18 according to different directions.
Bidirectional power meter 11 is connected between energy manager 12 and utility grid 4, for detecting electricity, and the consumption electricity of recording internet electricity and user respectively.Unidirectional electric energy table 13 is connected with interchange electric loading 22, to record its power information.
Energy-storage battery 16 can be lead-acid battery, lithium ion battery or Ni-MH battery, when adopting lithium ion battery, the energy utilization rate of system can be improved, and energy-storage battery 16 is arranged in a heat insulating device, such as be arranged in the housing with heat insulation layer, to improve the useful life of energy-storage battery 16.In addition, energy-storage battery 16 is detachable design, and also namely its connecting line, fixed structure are all demountable structures, and so design is convenient to replacing, maintenance and is moved use to elsewhere.
The optimum configurations of the connected energy manager 12 of controller 17 major control, photovoltaic controller 15, bidirectional power meter 11 and unidirectional electric energy table 13 and relevant data acquisition and process etc., mainly comprise the modules such as program control, data acquisition, data processing, data processing module gathers the electricity use information etc. of the generating information of photovoltaic module array 3, the discharge and recharge information being gathered energy-storage battery 16 by photovoltaic controller 15 and energy manager 12, bidirectional power meter 11 and unidirectional electric energy table 13 record by photovoltaic controller 15; Wherein, bidirectional power meter 11 record is incorporated to and uses the energy information of utility grid, and unidirectional electric energy table 13 records the power information of interchange electric loading.
Display 6 is connected with controller 17, and for the operation interface of display controller 17, aforementioned every terms of information, information processing result etc., display 6 is preferably light-emitting diode display, also can be the display unit such as OLED, LCD, CRT, charactron.
As depicted in figs. 1 and 2, energy manager 12, photovoltaic controller 15, the lightning protection device 14 that confluxes, energy-storage battery 16, controller 17, bidirectional power meter 11, unidirectional electric energy table 13, DC bus 18, display 6 are arranged in and have integrally-built control cubicle 5, the mechanical structure of this preferred embodiment can be simplified, be more conducive to transport, install and use.Preferably, display 6 is positioned on the main-vision surface of control cubicle 5, and the side of control cubicle 5 is located in the connectivity ports such as such as photovoltaic electrical energy inputs 71, city's net input 72, AC load electricity consumption end 73, DC load electricity consumption end 74.Further preferably, photovoltaic electrical energy inputs 71 as photovoltaic module array 3 generate electricity can the port of input control cabinet 5, it comprises positive wire, cathode conductor and lightning protection line, to improve fail safe.DC load electricity consumption end 74 to direct current electric loading 21 for power supply, is provided with and freely switches gear knob, can as required, output voltage 12V, 24V, 36V, 48V, 60V etc.
More specifically, in the preferred embodiment, when electric energy transmits according to different directions according to the different conditions of electric energy by energy manager 12.Such as, when summer, illumination condition was good, the direct current that photovoltaic module array 3 produces realizes charging to energy-storage battery 16 through the lightning protection device 14 that confluxes, photovoltaic controller 15, DC bus 18, by power storage in energy-storage battery 16, can also power for direct current electric loading 21 simultaneously; When the electric energy produced is for supplying outside energy-storage battery 16 and direct current electric loading 21, when still having residue, by detecting the energy information on DC bus 18, controller 17 controls energy conservation device 12 to be changed direct current into alternating current and directly powers for interchange electric loading 22, because energy manager 12 is also connected with utility grid 4, when electric energy supply interchange electric loading 22 remains in addition, electric energy can directly realize grid-connected via energy manager 12, avoids the waste of electric energy.When cloudy day or night, the electric energy of energy-storage battery 16 is that direct current electric loading 21 is powered, the energy manager 12 connected with DC bus 18 is powered by electric loading 22 for exchanging via the photovoltaic controller 15 be connected with DC bus 18, and DC inverter is alternating current by energy manager 12.When continuous overcast and rainy more time, when energy-storage battery 16 cannot meet load need for electricity, the electric energy of utility grid 4 can be that interchange electric loading 22 is powered, is that energy-storage battery 16 charges, powers for direct current electric loading 21 via the photovoltaic controller 15 be connected with DC bus 18 via DC bus 18 via energy manager 12, guarantees the normal supply of electric energy.
In addition, when this preferred embodiment is not connected with utility grid 4, only lose the function unnecessary electric energy being incorporated to public electric wire net and electricity deficiency use public electric wire net electric energy, but the normal use of other functions can not be affected, now this preferred embodiment also becomes from net photovoltaic system, therefore, the practicality of this preferred embodiment is stronger, is having the urban district of public electric wire net or is not having the remote mountain areas of public electric wire net all can use.
To sum up, the present invention and preferred implementation thereof adopt integrated form integrated design, and system configuration is simple, it is ingenious to design, equipment and maintenance cost is low, simple operation, can run under unattended state for a long time, electric energy makes full use of, have no waste, meanwhile, both artistic and practical again.
In general, compared with prior art, control system of the present invention adopts modular combination, designs ingenious, easy and simple to handle, delivery of electrical energy process and automatically completes, without the need to manual operation, system information real-time Transmission, by force exemplary, have simultaneously grid-connected, from net dual modes of operation, strong adaptability, without the need to large-scale system and construction, be applicable to the Mini Tissues such as family and use, be convenient to spread.
As known by the technical knowledge, the present invention can be realized by other the embodiment not departing from its Spirit Essence or essential feature.Therefore, above-mentioned disclosed embodiment, with regard to each side, all just illustrates, is not only.Within the scope of the present invention all or be all included in the invention being equal to the change in scope of the present invention.
Claims (10)
1. a family photovoltaic intelligent control system, is characterized in that, comprising:
Conflux lightning protection device, and input is used for being connected with photovoltaic module array, to converge the connecting line of electric current from photovoltaic module array and minimizing photovoltaic module array;
Energy-storage battery, for storing and release electric energy;
Photovoltaic controller, is connected with the external part of the described lightning protection device that confluxes, a DC bus and described energy-storage battery, for controlling the charge and discharge process of described energy-storage battery and being direct current electricity consumption load supplying;
Unidirectional electric energy table, for being connected with interchange electric loading, for recording the power information of interchange electric loading;
Energy manager, is connected with described DC bus, unidirectional electric energy list catenation, is transmitted by electric energy for the different conditions according to electric energy according to different directions;
Controller, be connected with described photovoltaic controller, unidirectional electric energy table and energy manager, for gathering, processing and export generating information, the discharge and recharge information of described energy-storage battery, the information about power of photovoltaic module array, and control for system parameter settings, operation.
2. family according to claim 1 photovoltaic intelligent control system, is characterized in that, also comprise:
Bidirectional power meter, is connected between utility grid and described energy manager, with record photovoltaic array component generate electricity the grid-connected information that can be delivered to utility grid and use urban network electricity can information, and to be connected with described controller.
3. family according to claim 2 photovoltaic intelligent control system, it is characterized in that, also comprise: control cubicle, described in conflux lightning protection device, photovoltaic controller, energy manager, energy-storage battery, controller, bidirectional power meter, unidirectional electric energy table, DC bus be integrated in described control cubicle.
4. family according to claim 3 photovoltaic intelligent control system, it is characterized in that, the sidewall of described control cubicle is provided with the photovoltaic electrical energy inputs being convenient to connect photovoltaic array component and the described lightning protection device that confluxes, the city's net input being convenient to be connected utility grid and described bidirectional power meter, the DC load electricity consumption end being convenient to be connected the interchange AC load electricity consumption end of electric loading and described unidirectional electric energy table, being convenient to be connected direct current electric loading and described photovoltaic controller.
5. family according to claim 1 photovoltaic intelligent control system, is characterized in that, described energy-storage battery is lead-acid battery, lithium ion battery or Ni-MH battery.
6. family according to claim 1 photovoltaic intelligent control system, it is characterized in that, described energy-storage battery has insulation shell.
7. family according to claim 1 photovoltaic intelligent control system, is characterized in that, also comprise:
Display, is connected with described controller, for showing the information that described controller exports.
8. family according to claim 4 photovoltaic intelligent control system, is characterized in that, described photovoltaic electrical energy inputs generate electricity by photovoltaic module array can input port, comprise positive wire, cathode conductor and lightning protection line.
9. family according to claim 4 photovoltaic intelligent control system, is characterized in that, described DC load electricity consumption end is used for power supply to direct current electric loading, and is provided with and freely switches gear knob, to export different voltage.
10. family according to claim 7 photovoltaic intelligent control system, is characterized in that, described display is LED, OLED, LCD, CRT or numeral method device.
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| CN201310585935.6A CN103595348B (en) | 2013-11-19 | 2013-11-19 | Family photovoltaic intelligent control system |
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| CN201310585935.6A CN103595348B (en) | 2013-11-19 | 2013-11-19 | Family photovoltaic intelligent control system |
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| CN103595348A CN103595348A (en) | 2014-02-19 |
| CN103595348B true CN103595348B (en) | 2016-01-13 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104038150B (en) * | 2014-06-27 | 2016-09-14 | 国家电网公司 | A kind of modularity, centralized photovoltaic generation interface arrangement |
| CN104135073B (en) * | 2014-07-17 | 2016-04-27 | 泰兴市华诚机电制造有限公司 | A kind of distributed solar energy cutting-in control case and control method |
| CN104135029A (en) * | 2014-07-17 | 2014-11-05 | 泰兴市华诚机电制造有限公司 | Distributed solar grid-connected control box |
| CN104135072B (en) * | 2014-07-17 | 2016-08-17 | 泰兴市华诚机电制造有限公司 | A kind of control method of distributed solar energy cutting-in control case |
| CN104300576A (en) * | 2014-09-12 | 2015-01-21 | 国网上海市电力公司 | Resident grid-connected photovoltaic power generation system |
| CN106059042A (en) * | 2016-07-08 | 2016-10-26 | 上海盈达空调设备有限公司 | Novel photovoltaic off-grid type energy wall |
| CN106225271B (en) * | 2016-07-27 | 2019-05-21 | 重庆京天能源投资（集团）股份有限公司 | Wisdom energy supplying system terminal |
| CN106230009B (en) * | 2016-08-30 | 2018-09-14 | 深圳耐斯特思新能源科技有限公司 | A kind of Energy Management System and method of family energy storaging product |
| CN106532896A (en) * | 2016-12-08 | 2017-03-22 | 苏州宏捷天光新能源科技有限公司 | Organic photovoltaic low-voltage power supply system and power supply method |
| CN107565679B (en) * | 2017-07-24 | 2020-09-15 | 国网山东省电力公司青岛供电公司 | Charging system |
| US11196258B2 (en) | 2018-08-03 | 2021-12-07 | Sacramento Municipal Utility District | Energy control and storage system for controlling power based on a load shape |
| CN109245140A (en) * | 2018-11-02 | 2019-01-18 | 谷明月 | A kind of tou power price industrial energy-storage system and its charge and discharge strategy |
| CN113270883A (en) * | 2021-06-21 | 2021-08-17 | 横店集团东磁股份有限公司 | Photovoltaic electric energy storage system and method |
| CN114413322A (en) * | 2021-12-25 | 2022-04-29 | 万江新能源集团有限公司 | Utilize geothermal heating system of photoelectric coupling hydrothermal type |
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