CN103457282A - Energy supply system and method for household charging piles - Google Patents
Energy supply system and method for household charging piles Download PDFInfo
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- CN103457282A CN103457282A CN2013103624981A CN201310362498A CN103457282A CN 103457282 A CN103457282 A CN 103457282A CN 2013103624981 A CN2013103624981 A CN 2013103624981A CN 201310362498 A CN201310362498 A CN 201310362498A CN 103457282 A CN103457282 A CN 103457282A
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- accumulator
- charging pile
- controller
- power generation
- family expenses
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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
- 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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Abstract
The invention provides an energy supply system and method for household charging piles. According to the system, an energy accumulator is additionally arranged in a conventional charging pile supply circuit, charging moments are controlled by a controller, therefore, electric energy in power grid troughs can be fully used, household charging cost can be reduced, and power grid fluctuation can be alleviated. Besides, power supply to a power grid can also be achieved through a photovoltaic charging device under the condition of combining the photovoltaic charging device, therefore, power grid underpower in rush hours can be alleviated, and use cost of the household charging piles can be further reduced.
Description
Technical field
The invention belongs to for electrical domain, relate in particular to the system and method for the energy supply of family expenses charging pile.
Background technology
Greatly developing and using of electric automobile will become following trend, and its major reason applying of current obstruction is the construction of charging pile.If everybody is the rear charging of going home at night in addition, this concentrated charging will cause large impact to network load, be all at this time often particularly peak times of power consumption, and charge will exceed much than the low ebb phase, charging cost will be high a lot, and family is caused to cost burden.And if electric automobile uses in a large number in the future, the good general of the impact degree caused is self-evident.
Summary of the invention
The invention provides a kind of family expenses charging pile energy supplying system and method, adopt described system and method, can take full advantage of the electric energy of electrical network low ebb phase, reduce the family expenses charging cost, and alleviate power network fluctuation.In addition, in the situation that be connected to photovoltaic charged device, can also utilize photovoltaic charged device for mains supply, alleviate peak period grid power deficiency, and family expenses charging pile use cost is further reduced.
The scheme that the present invention adopts is as follows:
A kind of family expenses charging pile energy supplying system, comprise message accounting 2 and grid-connecting apparatus 3, there is rectification input unit 4 in grid-connecting apparatus 3, rectification input unit 4 is connected to charging pile 10, it is characterized in that, also there is a controller 1 and accumulator 6, accumulator 6 is between rectification input unit 4 and charging pile 10, there is an electrical quantity sensor 7 on accumulator 6, electrical quantity sensor 7 is connected to controller 1, controller 1 is controlled unlatching and the shutoff of rectification input unit 4, and controller 1 also is connected to message accounting 2, receives the signal of message accounting 2.When controller 1 judges electrical network in low power consumption phase and accumulator 6 electric weight deficiency, starting rectification input unit 4 is accumulator 6 chargings, reduces thus charging cost, and takes full advantage of the electric weight of low ebb phase.
Preferably, also have a photovoltaic power generation apparatus 9 in described system, photovoltaic power generation apparatus 9 is connected to accumulator 6.Thus, can also utilize photovoltaic power generation apparatus 9 for accumulator 6 chargings, further reduce costs.
Preferably, can further photovoltaic power generation apparatus 9 be generated electricity by way of merging two or more grid systems, therefore also have an inversion output device 5 in grid-connecting apparatus 3, inversion output device 5, accumulator 6 and photovoltaic power generation apparatus 9 threes are connected by commutator 8, and commutator 8 also receives the control signal of controller 1 in addition.When accumulator 6 electric weight, when sufficient, controller 1 starts inversion output device 5, and starts commutator 8 and make the current direction outer net, and unnecessary electric weight outputs to outer net by inversion output device 5 thus, for family exchanges income for.Further reduce so on the one hand the use cost of family, also for the electric weight shortage that makes up peak period, provide certain contribution.
Therefore, the present invention also provides a kind of family expenses charging pile energy supply method, on above-mentioned family expenses charging pile energy supplying system, carries out, and it is characterized in that, said method comprising the steps of:
A). judge that be in peak times of power consumption or low power consumption phase current period; B). judge that whether the electric weight in accumulator 6 is sufficient; C). whether according to above-mentioned information decision, in accumulator 6, charge, wherein, when judging that be the electric weight deficiency in low power consumption phase and accumulator 6 current period, controller 1 starts rectification input unit 4 and charges in accumulator 6.
Preferably, described family expenses charging pile energy supplying system also has a photovoltaic power generation apparatus 9, and photovoltaic power generation apparatus 9 is connected to accumulator 6.As mentioned above, photovoltaic power generation apparatus 9 further reduces charging cost.
More preferably, also there is an inversion output device 5 in grid-connecting apparatus 3, inversion output device 5, accumulator 6 and photovoltaic power generation apparatus 9 threes are connected by commutator 8, commutator 8 also receives the control signal of controller 1 in addition, therefore described method also comprises steps d). determine whether power to outer net, wherein, when the electric weight in peak times of power consumption and accumulator 6 is sufficient, controller 1 starts inversion output device 5, and starts the current direction outer net that commutator 8 makes photovoltaic power generation apparatus 9.
Beneficial effect:
As mentioned above, adopt family expenses charging pile energy supplying system of the present invention and method, reduce on the one hand the use cost of charging pile, thereby raising domestic consumer's enthusiasm, promote the popularization of new forms of energy, on the other hand, for the unnecessary electric weight of electrical network low ebb phase provides outlet, thereby the reduction power network fluctuation, reduce meaningless loss.In addition, in conjunction with the distributed photovoltaic power generation of family, peak regulation holds paddy, and charging cost reduces, and makes the source of energy adopt free of contamination environmental protection mode as far as possible, also for the power notch of peak period makes up, makes certain contribution.
The accompanying drawing explanation
The schematic diagram that Fig. 1 is family expenses charging pile energy supplying system of the present invention.
In the drawings: 1 controller; 2 message accountings; 3 grid-connecting apparatus; 4 rectification input units; 5 inversion output devices; 6 accumulators; 7 electrical quantity sensors; 8 commutators; 9 photovoltaic power generation apparatus; 10 charging piles.
Embodiment
Further describe the present invention below in conjunction with accompanying drawing.
As shown in Figure 1, the most basic charging pile energy supply circuit comprises message accounting 2 and grid-connecting apparatus 3, there is rectification input unit 4 in grid-connecting apparatus 3, rectification input unit 4 is connected to charging pile 10, during use, electric power is charging pile 10 energy supplies after over commutation input unit 4 is changed, and by message accounting 2 chargings.
For taking full advantage of low ebb phase electric energy, and reduce charging cost, install an accumulator 6 between rectification input unit 4 and charging pile 10 additional, and adopt controller 1 to be controlled.Have an electrical quantity sensor 7 on accumulator 6, electrical quantity sensor 7 is connected to controller 1, and controller 1 also is connected to message accounting 2, receives the signal of message accounting 2.Controller judges that according to the signal received be in peak times of power consumption or low power consumption phase current period, then judge that whether the electric weight in accumulator 6 is sufficient, and determine whether charge according to above-mentioned information in accumulator 6, wherein, when judging that be the electric weight deficiency in low power consumption phase and accumulator 6 current period, controller 1 starts rectification input unit 4 and charges in accumulator 6.Reduce thus charging cost, and take full advantage of the electric weight of low ebb phase.
This system can, in conjunction with the distribution type photovoltaic power generation device of family, can be connected to accumulator 6 by photovoltaic power generation apparatus 9.Thus, can also utilize photovoltaic power generation apparatus 9 for accumulator 6 chargings, further reduce costs.
Photovoltaic power generation apparatus 9 can be connected to electrical network, therefore also there is an inversion output device 5 in grid-connecting apparatus 3, inversion output device 5, accumulator 6 and photovoltaic power generation apparatus 9 threes are connected by commutator 8, and commutator 8 also receives the control signal of controller 1 in addition.This Time Controller 1 can also determine whether power to outer net.When accumulator 6 electric weight, when sufficient, controller 1 starts inversion output device 5, and starts commutator 8 and make the current direction outer net, and unnecessary electric weight outputs to outer net by inversion output device 5 thus, for family exchanges income for.Further reduce so on the one hand the use cost of family, also for the electric weight shortage that makes up peak period, provide certain contribution.
As mentioned above, adopt family expenses charging pile energy supplying system of the present invention and method, reduce on the one hand the use cost of charging pile, thereby raising domestic consumer's enthusiasm, promote the popularization of new forms of energy, on the other hand, for the unnecessary electric weight of electrical network low ebb phase provides outlet, thereby the reduction power network fluctuation, reduce meaningless loss.In addition, in conjunction with the distributed photovoltaic power generation of family, peak regulation holds paddy, and charging cost reduces, and makes the source of energy adopt free of contamination environmental protection mode as far as possible, also for the power notch of peak period makes up, makes certain contribution.
The above is described in detail embodiments of the present invention by reference to the accompanying drawings, but the invention is not restricted to above-mentioned execution mode, in the ken possessed at affiliated technical field those of ordinary skill, can also under the prerequisite that does not break away from aim of the present invention, make a variety of changes.
Claims (6)
1. a family expenses charging pile energy supplying system, comprise message accounting (2) and grid-connecting apparatus (3), there is rectification input unit (4) in grid-connecting apparatus (3), rectification input unit (4) is connected to charging pile (10), it is characterized in that, also there is a controller (1) and accumulator (6), accumulator (6) is positioned between rectification input unit (4) and charging pile (10), there is an electrical quantity sensor (7) on accumulator (6), electrical quantity sensor (7) is connected to controller (1), controller (1) is controlled unlatching and the shutoff of rectification input unit (4), controller (1) also is connected to message accounting (2), receive the signal of message accounting (2).
2. family expenses charging pile energy supplying system as claimed in claim 1, is characterized in that, also has a photovoltaic power generation apparatus (9), and photovoltaic power generation apparatus (9) is connected to accumulator (6).
3. family expenses charging pile energy supplying system as claimed in claim 2, it is characterized in that, also there is an inversion output device (5) in grid-connecting apparatus (3), inversion output device (5), accumulator (6) and photovoltaic power generation apparatus (9) three are connected by commutator (8), and commutator (8) also receives the control signal of controller (1) in addition.
4. a family expenses charging pile energy supply method is carried out on family expenses charging pile energy supplying system as claimed in claim 1, it is characterized in that, said method comprising the steps of:
A). judge that be in peak times of power consumption or low power consumption phase current period;
B). judge that whether the electric weight in accumulator (6) is sufficient;
C). determine whether charge according to above-mentioned information in accumulator (6),
Wherein, when judging that be the electric weight deficiency in low power consumption phase and accumulator (6) current period, controller (1) starts rectification input unit (4) and charges in accumulator (6).
5. family expenses charging pile energy supply method as claimed in claim 4, is characterized in that, described family expenses charging pile energy supplying system also has a photovoltaic power generation apparatus (9), and photovoltaic power generation apparatus (9) is connected to accumulator (6).
6. family expenses charging pile energy supply method as claimed in claim 5, it is characterized in that, also there is an inversion output device (5) in grid-connecting apparatus (3), inversion output device (5), accumulator (6) and photovoltaic power generation apparatus (9) three are connected by commutator (8), commutator (8) also receives the control signal of controller (1) in addition, and described method also comprises
D). determine whether power to outer net,
Wherein, when the electric weight in peak times of power consumption and accumulator (6) is sufficient, controller (1) starts inversion output device (5), and starts the current direction outer net that commutator (8) makes photovoltaic power generation apparatus (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103624981A CN103457282A (en) | 2013-08-20 | 2013-08-20 | Energy supply system and method for household charging piles |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2013103624981A CN103457282A (en) | 2013-08-20 | 2013-08-20 | Energy supply system and method for household charging piles |
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| CN103457282A true CN103457282A (en) | 2013-12-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2013103624981A Pending CN103457282A (en) | 2013-08-20 | 2013-08-20 | Energy supply system and method for household charging piles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375592A (en) * | 2015-12-22 | 2016-03-02 | 广东爱普拉新能源技术股份有限公司 | Intelligent system of charging pile and charging method |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752889A (en) * | 2010-01-13 | 2010-06-23 | 钟馨稼 | Electric vehicle quick charge system |
| CN101951008A (en) * | 2010-11-05 | 2011-01-19 | 东南大学 | Electric vehicle charge station with energy storage device |
| CN102882237A (en) * | 2011-07-15 | 2013-01-16 | 珠海银通新能源有限公司 | Intelligent energy storage machine and operating method thereof |
| CN102957197A (en) * | 2012-11-20 | 2013-03-06 | 江苏富朗特新能源有限公司 | Household energy storage power station |
| US20130079944A1 (en) * | 2011-09-26 | 2013-03-28 | Sony Corporation | Power storage control apparatus and power storage control method |
| CN203491706U (en) * | 2013-08-20 | 2014-03-19 | 国家电网公司 | Household charging pile energy supply system |
-
2013
- 2013-08-20 CN CN2013103624981A patent/CN103457282A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101752889A (en) * | 2010-01-13 | 2010-06-23 | 钟馨稼 | Electric vehicle quick charge system |
| CN101951008A (en) * | 2010-11-05 | 2011-01-19 | 东南大学 | Electric vehicle charge station with energy storage device |
| CN102882237A (en) * | 2011-07-15 | 2013-01-16 | 珠海银通新能源有限公司 | Intelligent energy storage machine and operating method thereof |
| US20130079944A1 (en) * | 2011-09-26 | 2013-03-28 | Sony Corporation | Power storage control apparatus and power storage control method |
| CN102957197A (en) * | 2012-11-20 | 2013-03-06 | 江苏富朗特新能源有限公司 | Household energy storage power station |
| CN203491706U (en) * | 2013-08-20 | 2014-03-19 | 国家电网公司 | Household charging pile energy supply system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105375592A (en) * | 2015-12-22 | 2016-03-02 | 广东爱普拉新能源技术股份有限公司 | Intelligent system of charging pile and charging method |
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Application publication date: 20131218 |