CN204668981U - Alternating current-direct current variable-frequency variable-voltage photovoltaic intelligent electricity generation system - Google Patents
Alternating current-direct current variable-frequency variable-voltage photovoltaic intelligent electricity generation system Download PDFInfo
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- CN204668981U CN204668981U CN201520223970.8U CN201520223970U CN204668981U CN 204668981 U CN204668981 U CN 204668981U CN 201520223970 U CN201520223970 U CN 201520223970U CN 204668981 U CN204668981 U CN 204668981U
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- photovoltaic
- core controller
- energy storage
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- 230000005611 electricity Effects 0.000 title claims abstract description 12
- 238000004146 energy storage Methods 0.000 claims abstract description 15
- 230000003993 interaction Effects 0.000 claims abstract description 8
- 238000006243 chemical reaction Methods 0.000 abstract description 6
- 238000004891 communication Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Classifications
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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
- Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
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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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- Photovoltaic Devices (AREA)
Abstract
A kind of alternating current-direct current variable-frequency variable-voltage photovoltaic intelligent electricity generation system, include photovoltaic panel, photovoltaic generation battery charge controller and energy storage battery group, it is characterized in that: have a core controller, described core controller is connected with human-computer interaction device, electric pressure converter, telecommunication devices and photovoltaic generation battery charge controller and energy storage battery group respectively, the inversion unit of described core controller inside is connected with energy storage battery Zu Ji city electrical switching apparatus respectively, and described core controller is also connected with the field apparatus electric parameter checkout gear of outside.Its advantage is that photoelectric conversion rate is higher, the response time is fast, control precision is high, integrated level is high, and intelligence degree is high, high for electrical stability.
Description
Technical field
The utility model relates to the charging for battery pack automatically changed or the device for being powered to the load by battery pack, espespecially a kind of alternating current-direct current variable-frequency variable-voltage photovoltaic intelligent electricity generation system.
Background technology
The energy is the important guarantee of social and economic development, and along with the exhaustion day by day of traditional energy, Devoting Major Efforts To Developing regenerative resource is the main path solving energy crisis.Solar energy is clean energy resource ideal in regenerative resource, and inexhaustible.Along with the rise of domestic and international photovoltaic industry in recent years, solar energy power generating is had higher requirement.
The photovoltaic power generation control system ubiquity transfer ratio of prior art is lower, can not provide direct current, utilizable energy Source Type is single, the response time is slow, control precision is low, integrated level is not high, the scope of application is single, function singleness, intelligence degree are not high, maintenance and management is difficult, system availability is low, can not change frequency, can not voltage be changed, there is no the photovoltaic power generation equipment that a kind of suitable multiple country can both use.The intelligent demand of existing situation photovoltaic generating system is more and more higher, but on market, properties of product seriously hinder the intelligentized development of photovoltaic generation.
Summary of the invention
For the shortcoming of prior art, the purpose of this utility model is to provide a kind of alternating current-direct current variable-frequency variable-voltage photovoltaic intelligent electricity generation system.
The utility model solves the technical scheme that its technical problem adopts: provide a kind of alternating current-direct current variable-frequency variable-voltage photovoltaic intelligent electricity generation system, include photovoltaic panel, photovoltaic generation battery charge controller and energy storage battery group, it is characterized in that: have a core controller, described core controller respectively with human-computer interaction device, electric pressure converter, telecommunication devices and photovoltaic generation battery charge controller are connected with energy storage battery group, the inversion unit of described core controller inside is connected with energy storage battery Zu Ji city electrical switching apparatus respectively, described core controller is also connected with the field apparatus electric parameter checkout gear of outside.
The beneficial effects of the utility model are: photoelectric conversion rate is higher, the response time is fast, control precision is high, integrated level is high, and intelligence degree is high, high for electrical stability, particularly easy to maintenance:
(1), system exports the direct current of multiple voltage simultaneously; Can power to DC equipment, such as mobile phone plane plate computer, direct-current LED bulb etc.
(2), system has ac output frequency selection function, ac output voltage selection function, is not limited to domestic use;
(3), system uses maximum power point of photovoltaic array tracking technique, improves photoelectric conversion efficiency, improves equal solar cell power generation power.
(4), from net core controller adopt and take over seamlessly technology from net, it is short that photovoltaic generation and mains-supplied run switching time;
(5) plurality of operating modes is selected, strong adaptability, and power supply reliability is high, and energy utilization rate maximizes;
(6) alternating current-direct current load exports has protection to restart function, and load faulty removes rear system reboot, guarantees load not power-off;
(7) owing to have employed several data harvester, achieve electricity generation system and monitor in real time and intelligent management.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, the utility model will be further described.
Fig. 1 is electrical structure schematic diagram of the present utility model.
In figure: 1 be photovoltaic panel (solar panel array), 2 be electric pressure converter, 3 be photovoltaic generation battery charge controller, 4 be energy storage battery group, 5 be core controller, 6 be city's electrical switching apparatus, 7 be human-computer interaction device, 8 for telecommunication devices.
Embodiment
See accompanying drawing, a kind of alternating current-direct current variable-frequency variable-voltage of the utility model photovoltaic intelligent electricity generation system, include photovoltaic panel 1, photovoltaic generation battery charge controller 3 and energy storage battery group 4, it is characterized in that: have a core controller 5, described core controller 5 respectively with human-computer interaction device 7, electric pressure converter 2, telecommunication devices 8 and photovoltaic generation battery charge controller 3 are connected with energy storage battery group 4, the inversion unit 51 of described core controller 5 inside is connected with energy storage battery group 4 and city's electrical switching apparatus respectively, described core controller 5 is also connected with the field apparatus electric parameter checkout gear of outside.
Described photovoltaic panel 1 performs photovoltaic generation.
Described photovoltaic generation battery charge controller 3 controls by core controller 5, charges to energy storage battery group 4 in MPPT mode.
Described core controller 5 is primarily of MPU unit, and the functional module compositions such as inversion unit, are a kind of with the controller of analogy and digital circuit for main formation, by gathering relevant field apparatus electric parameter, carry out computing, judging, realize various controlling functions.And tracing control can be carried out to the maximum power point of photovoltaic panel 1.To ensure that photovoltaic panel 1 is in maximum power point operating state, improve photoelectric conversion efficiency and control precision.
Described city electrical switching apparatus 6 is a kind of equipment switched fast between photovoltaic generation and civil power supply.
The field apparatus electric parameter checkout gear of described outside.Main detection solar radiation amount, ambient temperature and humidity, solar components temperature etc.
Described human-computer interaction device 7 mainly carries out system parameter setting, system monitoring operation controls, and is dynamic human-computer interaction interface.
Described telecommunication devices 8 is a kind of communication interfaces, and following according to actual conditions can be that RS485, CAN, 3G supply strange land to the monitor and forecast of equipment.Also equipment can be included in Intelligent housing scope.
Real-Time Monitoring solar energy intensity during system worked well, the power that sunlight stronger photovoltaic panel 1 exports is larger.The electric energy sent controls backward energy storage battery group 4 through core controller 5 and charges.
Photovoltaic generation battery charge controller 3 adds maximum power control technology MPPT, improves 30% charge efficiency than traditional PWM charge mode.After batteries 4 is full of electricity, stopping is prevented over-charging of battery to charge in batteries.
When storage battery reaches certain electricity, inverter 51 allows to start, and simultaneously city's electrical switching apparatus 6 switches to photovoltaic generation and powers.The direct current exported powers to the load after electric pressure converter 2 isolation conversion.
DC output end mouth has multiple voltage to select 5V can meet various electronic product electric pressure, 12V voltage can be external as with regard to direct current LED bulb, or direct current household electrical appliance, the voltage of adjustable voltage output port can regulate in system, as suitable various electric pressure notebook is powered.24V/48V(2 selects 1) electric pressure can meet powerful DC installation.Each voltage dc output port current limiting function.Overload is not damaged.
System alternating current has various modes output function, can select ac output frequency, has 50HZ and 60HZ output frequency to select.Can also ac output voltage be selected, have 110V, 127V, 220V output voltage to select.Suitable different countries and regions use.
Manual auto-conversion function is had in human-computer interaction device 7.Can carry out pattern switching manually or automatically, use in a manual mode (system default automatic mode), system can be run according to selection setting photovoltaic generation or mains-supplied; In automatic mode, can power by preferential photovoltaic generation, only have when the inadequate battery capacity of photovoltaic generation power is low or the system failure time, now system will be carried out protectiveness and will be switched to mains-supplied.As long as even if equipment equipment occurs that major accident mains-supplied is normal, system also can not power-off.When having work as solar energy next day, after the battery that charges a battery is charged to certain electricity, system again switches to photovoltaic generation and powers.Thus finishing smooth handoff procedure.
Alterating and direct current load exports defencive function, and when there is over-voltage and over-current, cut-out exports by system.Power supply is restarted after fault recovery.Do not need artificial restarting systems.Guarantee load not power-off.Direct current exports current limit defencive function, and when there is excess load, output current will be subject to maximum restriction.
Native system has communication function, monitoring function.Have peer communications agreement external equipment can and system communication, system power data acquisition unit gather various data can for external equipment read.System can also send relative alarm information to external equipment, also can pass through communication instruction tele-control system.
Claims (1)
1. an alternating current-direct current variable-frequency variable-voltage photovoltaic intelligent electricity generation system, include photovoltaic panel, photovoltaic generation battery charge controller and energy storage battery group, it is characterized in that: have a core controller, described core controller is connected with human-computer interaction device, electric pressure converter, telecommunication devices and photovoltaic generation battery charge controller and energy storage battery group respectively, the inversion unit of described core controller inside is connected with energy storage battery Zu Ji city electrical switching apparatus respectively, and described core controller is also connected with the field apparatus electric parameter checkout gear of outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223970.8U CN204668981U (en) | 2015-04-15 | 2015-04-15 | Alternating current-direct current variable-frequency variable-voltage photovoltaic intelligent electricity generation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520223970.8U CN204668981U (en) | 2015-04-15 | 2015-04-15 | Alternating current-direct current variable-frequency variable-voltage photovoltaic intelligent electricity generation system |
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| Publication Number | Publication Date |
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| CN204668981U true CN204668981U (en) | 2015-09-23 |
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| CN201520223970.8U Expired - Fee Related CN204668981U (en) | 2015-04-15 | 2015-04-15 | Alternating current-direct current variable-frequency variable-voltage photovoltaic intelligent electricity generation system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474370A (en) * | 2019-08-29 | 2019-11-19 | 广东工业大学 | The cooperative control system and method for a kind of air-conditioning controllable burden, photovoltaic energy storage system |
-
2015
- 2015-04-15 CN CN201520223970.8U patent/CN204668981U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110474370A (en) * | 2019-08-29 | 2019-11-19 | 广东工业大学 | The cooperative control system and method for a kind of air-conditioning controllable burden, photovoltaic energy storage system |
| CN110474370B (en) * | 2019-08-29 | 2023-05-23 | 广东工业大学 | A collaborative control system and method for air conditioner controllable load and photovoltaic energy storage system |
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| 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: 20150923 Termination date: 20160415 |
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| CF01 | Termination of patent right due to non-payment of annual fee |