CN103650291A - Power supply system - Google Patents

Power supply system Download PDF

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Publication number
CN103650291A
CN103650291A CN201280034098.1A CN201280034098A CN103650291A CN 103650291 A CN103650291 A CN 103650291A CN 201280034098 A CN201280034098 A CN 201280034098A CN 103650291 A CN103650291 A CN 103650291A
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CN
China
Prior art keywords
electric power
power supply
power
storage device
electrical storage
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.)
Granted
Application number
CN201280034098.1A
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Chinese (zh)
Other versions
CN103650291B (en
Inventor
原田真宏
井上博之
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Daiwa House Industry Co Ltd
Original Assignee
Daiwa House Industry Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
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Application filed by Daiwa House Industry Co Ltd filed Critical Daiwa House Industry Co Ltd
Publication of CN103650291A publication Critical patent/CN103650291A/en
Application granted granted Critical
Publication of CN103650291B publication Critical patent/CN103650291B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44—Methods for charging or discharging
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • 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
    • 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
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

Provided is a power supply system which can supply more power to a load in the case of power failure. A power supply system (1) is provided with a power generating unit (10) that can generate power using natural energy, and an electric storage apparatus (40), which is connected to a commercial power supply (100) and the power generating unit (10), and can be charged with power supplied from the commercial power supply (100) and the power generating unit (10), and the power supply system supplies power supplied from the power generating unit (10), the electric storage apparatus (40) and the commercial power supply (100) to a specified load (50). In the cases where the commercial power supply (100) can be used, the electric storage apparatus (40) is capable of being charged with power supplied from the commercial power supply (100) and the power generating unit (10), and when the commercial power supply (100) fails, the electric storage apparatus is capable of being charged with power supplied from the power generating unit (10), while discharging the charged power to the specified load (50).

Description

Electric power supply system
Technical field
The present invention relates to the technology of electric power supply system, this electric power supply system possesses electrical storage device, in the situation that source power supply has a power failure, can to specific load, supply with electric power from this electrical storage device.
Background technology
In the past, be known to the technology of electric power supply system, this electric power supply system possesses electrical storage device, in the situation that source power supply has a power failure, can to specific load, supply with electric power from this electrical storage device.For example,, as TOHKEMY 2010-284060 communique is recorded.
In the electric power supply system of recording at TOHKEMY 2010-284060 communique, at source power supply, have a power failure, electric power from from this source power supply to load is supplied with situation about cutting off, and electric power supply system can be supplied to this load by the electric power being filled with in electrical storage device, thereby replaces source power supply.And, in the situation that (recovery) removed in the power failure of source power supply, from the electric power of source power supply, not only to load, also to electrical storage device, supply with, thus can be again to this electrical storage device charging.
But, in the technology of recording at TOHKEMY 2010-284060 communique, it is unfavorable aspect as follows, to exist: the electric power that can supply with to load when having a power failure be only the electric power that is filled with electrical storage device, in the situation that be filled with the electric power of this electrical storage device, uses up, and to the electric power of load, supplies with and cuts off.
Summary of the invention
Invent problem to be solved
The present invention is just in view of situation as mentioned above completes, and its problem to be solved is to provide electric power supply system, and this electric power supply system can be supplied with more electric power to load when having a power failure.
For solving the technical scheme of problem
Problem to be solved by this invention as mentioned above, next to describing for solving the technical scheme of this problem.
In electric power supply system of the present invention, possess: Power Generation Section, it can utilize natural energy resources to generate electricity, and electrical storage device, it is connected with described Power Generation Section with source power supply, can be filled with the electric power from described source power supply and described Power Generation Section, this electric power supply system will be from described Power Generation Section, the electric power of described electrical storage device and described source power supply is supplied to specific load, wherein, in the situation that can utilizing described source power supply, described electrical storage device can be filled with the electric power from this source power supply and described Power Generation Section, in the situation that described source power supply has a power failure, described electrical storage device can the electric power being filled with is discarded to described specific load be filled with the electric power from described Power Generation Section on one side on one side.
In electric power supply system of the present invention, preferably, in the situation that can utilizing described source power supply, described electrical storage device carries out the charging and discharging of electric power when different, in the situation that described source power supply has a power failure, described electrical storage device can carry out the charging and discharging of electric power simultaneously.
Invention effect
As effect of the present invention, played the following effect illustrating.
According to electric power supply system of the present invention, in the situation (unusual time) having a power failure at source power supply, while being filled with from the electric power of Power Generation Section, electrical storage device suitably to specific load, supplies with this electric power.Therefore, compare with the situation that electrical storage device does not charge when electric power is supplied with, can supply with more to specific load (more than the heap(ed) capacity of electrical storage device) electric power.
According to electric power supply system of the present invention, can conventionally prevent that electrical storage device is deteriorated period, and in the situation that source power supply has a power failure, carry out the charging and discharging of electric power in electrical storage device simultaneously, to specific load, supply with more electric power.
Accompanying drawing explanation
Fig. 1 is the block diagram that the electric power supply system of an embodiment of the invention is shown.
Fig. 2 is illustrated in the normal situation of source power supply, the block diagram of the electric power supply system of an embodiment of the invention.
Fig. 3 is illustrated in the situation of source power supply power failure, the block diagram of the electric power supply system of an embodiment of the invention.
Embodiment
Next, use Fig. 1, the structure of the electric power supply system 1 of an embodiment of the invention is described.
Electric power supply system 1 is located in house etc., by the electric power from source power supply 100 with utilize the electric power that natural energy resources sends to be supplied to specific load.Electric power supply system 1 mainly possesses: Power Generation Section 10, power governor 20, distribution board 30, electrical storage device 40, the specific load of load 50(), other load 80, home server 60 and portable terminal 70 etc.
Power Generation Section 10 is the devices that utilize sunlight to generate electricity, and solar cell panel etc., consists of.Power Generation Section 10 is for example arranged on the roof of house.
Power governor 20 has the direct current sending in Power Generation Section 10 is transformed into alternating current, and makes its function consistent with voltage, frequency, the phase place of source power supply 100.Power governor 20 is connected with Power Generation Section 10.
On power governor 20, be provided with running diverter switch 20a, when it has a power failure for switching, " the independent operation pattern " of (in situation about cannot supply with from the electric power of source power supply 100) opens (ON) and closes (OFF).
In addition, on power governor 20, be provided with urgent with socket 21, its for when having a power failure (unusual time) obtain the electric power from Power Generation Section 10.
Distribution board 30 combines residual current circuit breaker, distribution circuit breaker and control unit etc.Distribution board 30 is connected with power governor 20 and source power supply 100.
On distribution board 30, be provided with and discharge and recharge with socket 31, its for charging for electrical storage device 40 described later, the exchange of electric discharge and information (data).
Electrical storage device 40 charges, and the electric power that this is filled with is emitted.The electrical storage device 40 of present embodiment possesses the lithium ion battery that can discharge and recharge and by inverter of the converting direct-current power into alternating-current power from this lithium ion battery etc.
The line 41 of electrical storage device 40 charging use of (unusual time) when having a power failure and being connected with socket 21 with urgent.
In addition, the line 43 of the line 42 of the charging use of electrical storage device 40 when common and electric discharge use and being connected with discharging and recharging with socket 31.
In addition, electrical storage device 40 is connected with discharging and recharging with socket 31 via LAN cable 44.
Load 50 is at the electrified product of premises power consumption etc., and particularly when having a power failure, (unusual time) also needs to supply with " the specific load " of electric power.
In the present embodiment, use the living room lighting device 53 be located at living room socket 51, the refrigerator 52 in living room and be located at living room to be used as the specific load of load 50().In addition, on living room socket 51, be connected with television set 51a.
Load 50 respectively indirectly (in the present embodiment, via discharging and recharging by socket 31 and not shown residual current circuit breaker etc.) is connected with electrical storage device 40 with distribution board 30.
Other load 80 is at the electrified product of premises power consumption etc., from the described specific load of load 50() different, be the load that (unusual time) do not need to supply with electric power (necessity of supplying with electric power in the unusual time is low) when having a power failure.As other load 80, such as enumerating the socket be located at beyond living room and lighting device etc.
Other load 80 is connected with distribution board 30.
Home server 60 is control units of the information in managing power feed system 1.
Home server 60 is connected with distribution board 30.Home server 60 can carry out information exchange with power governor 20 and electrical storage device 40 etc., thereby can control the running of this power governor 20 and electrical storage device 40 etc.
Portable terminal 70 is confirmed the state of electric power supply system 1 for the occupant for house, or carries out for changing the operation of the operating condition of this electric power supply system 1.As portable terminal 70, can use to combine has the touch pad of display unit and input unit etc.
Portable terminal 70 can carry out information exchange with home server 60 by wireless.
Next, use Fig. 2, in the situation that in the electric power supply system 1 forming as described above the power supply formula from the electric power normal supply of source power supply 100 describe.
Conventionally, in the situation that can normal supply from the electric power of source power supply 100, the running diverter switch 20a of power governor 20 be switched to pass by occupant.In this case, the independent operation pattern of power governor 20, for closing, cannot obtain electric power with socket 21 from the urgent of this power governor 20.
Under this state, the direct current sending in Power Generation Section 10 is transformed into alternating current in power governor 20, and is fed into distribution board 30.In addition, the alternating current from source power supply 100 is also fed into distribution board 30.
The electric power of supplying with to distribution board 30 from this Power Generation Section 10 and source power supply 100 is charged electrical storage device 40 via line 42 in reasonable time section.The time period of this charging can be used portable terminal 70 to set arbitrarily.For example, if be set as charging at dead of night, can use the electric power in the late into the night that the charge for electricity is small to charge to electrical storage device 40.In addition, if be set as the time period of solar light irradiation abundance by day, be filled with the electric power from Power Generation Section 10, the electric power that utilizes natural energy resources (sunlight) to send can be filled with to electrical storage device 40 in this Power Generation Section 10.
In addition, in this situation (conventionally period), when the electric power of self power generation in future portion 10 and source power supply 100 is filled with electrical storage device 40, can be not simultaneously from this electrical storage device 40 to load 50 or other load 80 supply with (emitting) electric power.Like this, during by difference, carry out charging and discharging, can prevent electrical storage device 40(more particularly, the storage battery (lithium ion battery) in this electrical storage device 40) deteriorated.
In addition, from Power Generation Section 10 and the electric power supplied with to distribution board 30 of source power supply 100 be fed into specific load 50 and other load 80.That is the electric power that, occupant is used to self power generation portion 10 and source power supply 100 can see TV 51a, in refrigerator 52 frozen food, light living room lighting device 53.
And, via line 43, distribution board 30 etc., the electric power that is filled with electrical storage device 40 can be supplied to load 50 and other load 80.In this case, can reduce the electric power (electricity of purchase) of supplying with from source power supply 100.The time period of supplying with electric power to load 50 from this electrical storage device 40 can be used portable terminal 70 to set arbitrarily.For example, by being set as that the electric power being filled with the late into the night is supplied to load 50 by day, can power cost saving.
In addition, from electrical storage device 40 to load 50 and electric power (electric discharge) is supplied with in other loads 80 in the situation that, from the electric power of Power Generation Section 10 and source power supply 100, can meanwhile not be filled with electrical storage device 40.Like this, during by difference, carry out charging and discharging, can prevent electrical storage device 40(more particularly, the storage battery (lithium ion battery) in this electrical storage device 40) deteriorated.
In addition, in the situation that the electric power that load 50 and other loads 80 consume can, only by the electric power ample supply from Power Generation Section 10, also can not used the electric power from source power supply 100.Thus can power cost saving.
The control program that the control that is suitably supplied to load 50 and other loads 80 for the electric power of self power generation in future portion 10, source power supply 100 and electrical storage device 40 is as mentioned above based on home server 60 storages completes.
In addition, electric power supply condition as above is presented in the display unit of portable terminal 70, and occupant can utilize this portable terminal 70 to confirm the supply condition of electric power.
Next, use Fig. 3, during to power failure, the supply mode of the electric power of (in situation about cannot supply with from the electric power of source power supply 100) describes.
When having a power failure (unusual time), in order not hinder the power recovery operation of Utilities Electric Co., electric power does not flow the electric power system from source power supply 100 to distribution board 30 and the electric power system from power governor 20 to distribution board 30 (via the electric power system of distribution board 30).
When this has a power failure (unusual time), occupant switches to out the running diverter switch 20a of power governor 20.Thus, the independent operation pattern of power governor 20, for opening, can be obtained electric power with socket 21 from the urgent of this power governor 20.
But running switching also can be configured to switch 20a: be sent to power governor 20 by the signal having a power failure at distribution board 30 being detected, and automatically switch to out.
Under this state, the electric power sending in Power Generation Section 10 is via power governor 20, promptly with socket 21 and line 41 and be charged charging device 40.
In the situation that the switch of load 50 is out, be filled with electrical storage device 40 electric power (the electric power being conventionally filled with in advance period and the unusual time from Power Generation Section 10 electric power of supplying with) via line 43 etc., be fed into load 50.In addition, because the electric weight that can use is limited, therefore supply with the MIN load being only necessary (load 50) of electric power when having a power failure, and to other load 80, do not supply with electric power.
As mentioned above, when having a power failure, the electric power of self power generation portion 10 is filled with electrical storage device 40 in the future, and can the electric power of this electrical storage device 40 be supplied to load 50 simultaneously.Like this, not only emit the electric power of electrical storage device 40, also charge simultaneously, thus, the electric power that is filled with in advance the electric power of electrical storage device 40 and newly send in Power Generation Section 10 can be supplied to load 50 efficiently.In addition, can worry although it is so because carry out the charging and discharging of electrical storage device 40 simultaneously and make this electrical storage device 40(more particularly, storage battery (lithium ion battery) in this electrical storage device 40) deteriorated, but carry out charging and discharging simultaneously, be only when having a power failure (unusual time), therefore can suppress the deteriorated of this electrical storage device 40 by minimally, and to load 50, supply with electric power efficiently in the unusual time.
As mentioned above, the electric power supply system 1 of present embodiment possesses: Power Generation Section 10, and it can utilize natural energy resources to generate electricity, with electrical storage device 40, it is connected with Power Generation Section 10 with source power supply 100, can be filled with the electric power from source power supply 100 and Power Generation Section 10, this electric power supply system 1 is self power generation portion 10 in the future, the electric power of electrical storage device 40 and source power supply 100 is supplied to specific load 50, in the situation that can utilizing source power supply 100, electrical storage device 40 can be filled with the electric power from this source power supply 100 and Power Generation Section 10, in the situation that source power supply 100 has a power failure, electrical storage device 40 is discarded to specific load 50 by the electric power being filled with, and can be filled with the electric power from Power Generation Section 10.
By such structure, in the situation that source power supply 100 has a power failure (unusual time), while the electric power that electrical storage device 40 is filled with from Power Generation Section 10 is suitably supplied to specific load 50 by this electric power.Therefore, the situation of not charging when electric power is supplied with electrical storage device 40 (only supplying with the situation of the electric power being filled with in advance) is compared, and can supply with to specific load the electric power of more (more than the heap(ed) capacity of electrical storage device 40).
In addition, in the situation that can utilizing source power supply 100, electrical storage device 40 carries out the charging and discharging of electric power when different, and in the situation that source power supply 100 has a power failure, electrical storage device 40 can carry out the charging and discharging of electric power simultaneously.
Utilize such structure, conventionally preventing the deteriorated of electrical storage device 40 period, and in the situation that source power supply 100 has a power failure, carrying out the charging and discharging of electric power in electrical storage device 40 simultaneously, can supply with more electric power to specific load 50.
In addition, as in the embodiment described in, via electrical storage device 40, the urgent of power governor 20 coupled together with socket 21 and distribution board 30, need to load be directly connected to the urgent with socket 21 of power governor 20 in the unusual time thus, can easily to specific load 50, supply with electric power.And, also can supply with electric power to being directly connected to urgent living room lighting device 53 grades with socket 21.
In addition, in the present embodiment, an execution mode as utilizing the Power Generation Section of generating electricity by natural energy, shows for example the Power Generation Section 10 that utilizes solar power generation, but the invention is not restricted to this, for example, also can utilize wind power generation.
In addition, in the present embodiment, an execution mode as electrical storage device, shows for example the electrical storage device 40 that possesses lithium ion battery, but the invention is not restricted to this, such as being also the electrical storage device that possesses lead accumulator etc.
In addition, in the present embodiment, an execution mode as specific load, show for example living room socket 51(television set 51a), refrigerator 52 and living room lighting device 53, but the invention is not restricted to this, also can be for example, by other load (, the lighting device in corridor etc.) as specific load.
The possibility of industrial utilization
The present invention can be applied to electric power supply system, and this electric power supply system possesses electrical storage device, can in the situation that source power supply has a power failure, from this electrical storage device, to specific load, supply with electric power.
Label declaration
1: electric power supply system;
20: power governor;
10: Power Generation Section;
40: electrical storage device;
50: load (specific load);
100: source power supply.

Claims (2)

1. an electric power supply system, it possesses:
Power Generation Section, it can utilize natural energy resources to generate electricity; With
Electrical storage device, it is connected with described Power Generation Section with source power supply, can be filled with the electric power from described source power supply and described Power Generation Section,
This electric power supply system is supplied to specific load by the electric power from described Power Generation Section, described electrical storage device and described source power supply, wherein,
In the situation that can utilizing described source power supply, described electrical storage device can be filled with the electric power from this source power supply and described Power Generation Section,
In the situation that described source power supply has a power failure, on one side described electrical storage device can the electric power being filled with is discarded to described specific load be filled with the electric power from described Power Generation Section on one side.
2. electric power supply system according to claim 1, wherein,
In the situation that can utilizing described source power supply, described electrical storage device carries out the charging and discharging of electric power when different,
In the situation that described source power supply has a power failure, described electrical storage device can carry out the charging and discharging of electric power simultaneously.
CN201280034098.1A 2011-07-29 2012-07-25 Electric power supply system Expired - Fee Related CN103650291B (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2011167482A JP5296161B2 (en) 2011-07-29 2011-07-29 Power supply system
JP2011-167482 2011-07-29
PCT/JP2012/068773 WO2013018600A1 (en) 2011-07-29 2012-07-25 Power supply system

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CN103650291A true CN103650291A (en) 2014-03-19
CN103650291B CN103650291B (en) 2016-08-24

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CN (1) CN103650291B (en)
MY (1) MY167347A (en)
WO (1) WO2013018600A1 (en)

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JP5795229B2 (en) * 2011-09-30 2015-10-14 大和ハウス工業株式会社 Power supply system
JP6210389B2 (en) * 2013-03-22 2017-10-11 パナソニックＩｐマネジメント株式会社 Power storage system, monitoring device, power control system
JP6025637B2 (en) * 2013-03-26 2016-11-16 大和ハウス工業株式会社 Power supply system
US10256634B2 (en) * 2013-05-17 2019-04-09 Ingeteam Power Technology, S.A. Power supply system and method for electronic converters
CN106549477A (en) * 2015-09-21 2017-03-29 晓星电力有限责任公司 Using the AC-battery power source feeding mechanism of solar power generation
WO2022270010A1 (en) * 2021-06-22 2022-12-29 株式会社クボタ Electric work machine and charging system for electric work machine

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JP2013031339A (en) 2013-02-07
WO2013018600A1 (en) 2013-02-07
JP5296161B2 (en) 2013-09-25
CN103650291B (en) 2016-08-24
MY167347A (en) 2018-08-16

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