CN104426233A - AC-DC dual-power source distribution box - Google Patents
AC-DC dual-power source distribution box Download PDFInfo
- Publication number
- CN104426233A CN104426233A CN201310374541.6A CN201310374541A CN104426233A CN 104426233 A CN104426233 A CN 104426233A CN 201310374541 A CN201310374541 A CN 201310374541A CN 104426233 A CN104426233 A CN 104426233A
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- CN
- China
- Prior art keywords
- distribution box
- power
- bus
- power source
- photovoltaic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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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- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses an AC-DC dual-power source distribution box. The AC-DC dual-power source distribution box comprises a power distribution box; a photovoltaic controller is arranged in the power distribution box; the power source input end of the photovoltaic controller is connected with a photovoltaic battery installed at the exterior of the power distribution box; the power source output end of the photovoltaic controller is connected into a DC bus; a DC connection interface used for providing DC to a DC load is connected onto the DC bus; an AC bus is connected onto the DC bus through a photovoltaic inverter; and the AC bus is connected with commercial power and AC equipment. According to the AC-DC dual-power source distribution box, solar photovoltaic battery and commercial power dual-power source input is utilized; by means of the photovoltaic controller, a DC system used for directly supplying an uninterruptible DC power source for a household DC load can be formed, and thus, power conversion loss can be decreased; DC passes through the photovoltaic inverter, so that an uninterruptible AC power source can be provided for the AC bus side and can be used by a household AC load, and surplus power can be also transported to a commercial power public network; and the AC-DC dual-power source distribution box can provide the uninterruptible AC and DC power sources for households, and therefore, power utilization cost can be reduced.
Description
Technical field
The invention belongs to distributed photovoltaic power generation technical field, relate to a kind of AC-DC double power supply distribution box.
Background technology
Photovoltaic generation is that the direct current produced by photovoltaic cell is supplied user or provides alternating current to custom system or equipment electricity consumption through photovoltaic special inverter, has clean, environmental protection, on the spot hair feature.
Current home electricity consumption is all taken to civil power, at the building place of registering one's residence, family distribution box XL-is installed, alternating current 220V provisioned user uses, the interchange household electrical appliance such as customer charge is illumination, socket, direct-flow current consumer need be used afterwards by the AC/DC rectifier conversion carried, and mostly now was USB ~ 220V/-5V.
The common electric such as TV, washing machine, air-conditioning, refrigerator is direct current electricity consumption in fact, therefore civil power is just needed to be used afterwards by ac/ac power converter rectification, but for these use frequently household electrical appliance by inner alternating current-direct current rectification link, virtually will add electric cost and electric energy transition loss.
Summary of the invention
The problem that the present invention solves is to provide a kind of AC-DC double power supply distribution box, for family provides continual direct current and AC power, reduces electric cost and electric energy transition loss.
The present invention is achieved through the following technical solutions:
A kind of AC-DC double power supply distribution box, comprise distribution box, photovoltaic controller is provided with in described distribution box, photovoltaic controller power input is connected with the photovoltaic cell being arranged on distribution box outside, on photovoltaic controller power output end access DC bus, DC bus is connected with for providing galvanic direct current connecting interface to DC load, DC bus is also connected with ac bus through photovoltaic DC-to-AC converter, ac bus is connected with civil power and alternating-current installation/AC installation.
Described DC bus is also connected with super capacitor.
Described alternating-current installation/AC installation comprises AC load and AC socket.
Described direct current connecting interface is the USB interface of 5V or the USB interface of 300V.
Compared with prior art, the present invention has following useful technique effect:
AC-DC double power supply distribution box provided by the invention, utilize solar-energy photo-voltaic cell and the input of civil power duplicate supply, by the photovoltaic controller that arranges and the direct current system that formed of solar-energy photo-voltaic cell for household DC load directly provides the DC power supply that do not have a power failure, decrease in direct-flow current consumer use procedure, the electric energy transition loss be transformed in direct current process will be exchanged, simultaneously direct current through photovoltaic DC-to-AC converter for ac bus side provides the AC power do not had a power failure for household AC load, electricity more than needed can also be transported in civil power public network, the load of utility grid can be alleviated like this, for family provides continual direct current and AC power, reduce electric cost.And utilize solar energy, energy-saving and emission-reduction, increase economic benefit, realize environmental protection Ecological Residential.
In addition, by arranging super capacitor, can when sunlight be good, the direct current energy more than needed that solar-energy photo-voltaic cell produces is stored in super capacitor, to use under special circumstances, thus provides continual electric energy for user.
Accompanying drawing explanation
Fig. 1 is AC-DC double power supply distribution box structure schematic diagram provided by the invention.
Wherein, 1 is distribution box; 2 is photovoltaic cell; 3 is civil power; 4 is photovoltaic controller; 5 is DC bus; 6 is super capacitor; 7 is photovoltaic DC-to-AC converter; 8 is direct current connecting interface; 9 is ac bus; 10 is alternating-current installation/AC installation.
Embodiment
Below in conjunction with specific embodiment, the present invention is described in further detail, and the explanation of the invention is not limited.
See Fig. 1, a kind of AC-DC double power supply distribution box, comprise distribution box 1, photovoltaic controller 4 is provided with in described distribution box 1, photovoltaic controller 4 power input is connected with the photovoltaic cell 2 being arranged on distribution box 1 outside, on photovoltaic controller 4 power output end access DC bus 5, DC bus 5 is connected with for providing galvanic direct current connecting interface 8 to DC load, DC bus 5 is also connected with ac bus 9 through photovoltaic DC-to-AC converter 7, ac bus 9 is connected with civil power 3 and alternating-current installation/AC installation 10, wherein, alternating-current installation/AC installation 10 comprises AC load and AC socket.In addition, described DC bus is also connected with super capacitor 6 with facilitate by too can photovoltaic cell produce power storage more than needed, for user in the event of a power failure.Wherein, described direct current connecting interface 8 is the USB interface of 5V or the USB interface of 300V.
During use, utilize solar-energy photo-voltaic cell 2 and the input of civil power 3 duplicate supply, form direct current system by the energy-storage travelling wave tube such as photovoltaic controller 4, super capacitor 6 installed and directly provide the DC power supply do not had a power failure (USB5V or USB300V etc.) for household DC load, direct current simultaneously on DC bus 5 through special from grid-connected photovoltaic inverter 7 for AC ac bus 9 provides AC uninterrupted power supply for household AC load, electricity more than needed uploads to utility grid.At this moment, the bidirectional power meter of accreditation is installed in inlet wire and photovoltaic generation side, for providing foundation to power supply department meterage and subsidy.
Simultaneously, utilize roof or balcony that photovoltaic cell 2 is installed, family's direct current be provided by this distribution box 1 and exchange electricity consumption, also can continue to provide electricity consumption by solar-energy photo-voltaic cell 2 and this energy-storage battery of super capacitor 6 when mains failure, when solar power generation is had more than needed, civil power is sold in online.Utilize solar energy, energy-saving and emission-reduction, increase economic benefit, realize environmental protection Ecological Residential.
The present invention is directed to the application of family expenses photovoltaic generation, by DC control, energy storage and inversion, for family expenses provide continual direct current and AC power, form industrialized scale, market seriation, standardized product are provided.
Claims (4)
1. an AC-DC double power supply distribution box, it is characterized in that, comprise distribution box (1), photovoltaic controller (4) is provided with in described distribution box (1), photovoltaic controller (4) power input is connected with the photovoltaic cell (2) being arranged on distribution box (1) outside, on photovoltaic controller (4) power output end access DC bus (5), DC bus (5) is connected with for providing galvanic direct current connecting interface (8) to DC load, DC bus (5) is also connected with ac bus (9) through photovoltaic DC-to-AC converter (7), ac bus (9) is connected with civil power (3) and alternating-current installation/AC installation (10).
2. AC-DC double power supply distribution box according to claim 1, is characterized in that, described DC bus is also connected with super capacitor (6).
3. AC-DC double power supply distribution box according to claim 1, is characterized in that, described alternating-current installation/AC installation (10) comprises AC load and AC socket.
4. AC-DC double power supply distribution box according to claim 1, is characterized in that, the USB interface that described direct current connecting interface (8) is 5V or the USB interface of 300V.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201310374541.6A CN104426233A (en) | 2013-08-23 | 2013-08-23 | AC-DC dual-power source distribution box |
Applications Claiming Priority (1)
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CN201310374541.6A CN104426233A (en) | 2013-08-23 | 2013-08-23 | AC-DC dual-power source distribution box |
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CN104426233A true CN104426233A (en) | 2015-03-18 |
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Family Applications (1)
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CN201310374541.6A Pending CN104426233A (en) | 2013-08-23 | 2013-08-23 | AC-DC dual-power source distribution box |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105610166A (en) * | 2016-01-11 | 2016-05-25 | 保定钰鑫电气科技有限公司 | Single-phase power supply and power utilization system and electrical equipment connected to same |
CN105932768A (en) * | 2016-06-15 | 2016-09-07 | 傅兴琴 | Supercapacitor based distribution box switching power supply system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1169632A (en) * | 1997-08-13 | 1999-03-09 | Matsushita Electric Works Ltd | Solar power generation system |
CN102931684A (en) * | 2012-11-09 | 2013-02-13 | 东华大学 | Photovoltaic alternate current and direct current intelligent distribution box |
CN203416041U (en) * | 2013-08-23 | 2014-01-29 | 陕西光伏产业有限公司 | Alternating/direct current dual-power distribution box |
-
2013
- 2013-08-23 CN CN201310374541.6A patent/CN104426233A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH1169632A (en) * | 1997-08-13 | 1999-03-09 | Matsushita Electric Works Ltd | Solar power generation system |
CN102931684A (en) * | 2012-11-09 | 2013-02-13 | 东华大学 | Photovoltaic alternate current and direct current intelligent distribution box |
CN203416041U (en) * | 2013-08-23 | 2014-01-29 | 陕西光伏产业有限公司 | Alternating/direct current dual-power distribution box |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105610166A (en) * | 2016-01-11 | 2016-05-25 | 保定钰鑫电气科技有限公司 | Single-phase power supply and power utilization system and electrical equipment connected to same |
CN105932768A (en) * | 2016-06-15 | 2016-09-07 | 傅兴琴 | Supercapacitor based distribution box switching power supply system |
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Application publication date: 20150318 |