CN104184394B - Household off-grid photovoltaic power generation system - Google Patents
Household off-grid photovoltaic power generation system Download PDFInfo
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- CN104184394B CN104184394B CN201410325069.1A CN201410325069A CN104184394B CN 104184394 B CN104184394 B CN 104184394B CN 201410325069 A CN201410325069 A CN 201410325069A CN 104184394 B CN104184394 B CN 104184394B
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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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- 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 discloses a household off-grid photovoltaic power generation system which includes a photovoltaic assembly, a solar controller, a storage battery and an AC control module. The photovoltaic assembly, the solar controller, the storage battery and the AC control module are sequentially connected. The solar controller is connected with a DC load. The AC control module is connected with the AC load and a mains supply. The photovoltaic assembly receives optical radiation energy in sunlight and converts the energy into electrical energy which is then stored into the storage battery through the solar controller. The solar controller obtains the electrical energy on the storage battery so as to supply power directly to a DC load. The AC control module converts DC of the storage battery into 220V AC to supply power to the AC load on one hand, and on the other hand, controls switching between power supplying of the mains supply and power supplying of the storage battery so that a photovoltaic power generation technology can be applied to most households in our country and a back-up power supply can be provided after power-off.
Description
Technical field
The present invention relates to field of solar energy utilization, more particularly, to a kind of domestic off-network photovoltaic generating system.
Background technology
At present, photovoltaic power generation technology is increasingly becoming one of main flow generation technology, and it includes grid-connected application and off-network applies two
Big class.
Grid-connected application, the miniaturization of such as large-scale grid-connected photovoltaic power station is one of which developing direction, is primarily adapted for use in single
The solely villa type family at family, technology development is highly developed and effective.But the family for residential quarters type, because each household can be pacified
The limited area of dress photovoltaic module, transplanting after large-scale grid-connected photovoltaic power station technology is directly miniaturized comes to lack economic benefit.
Although grid-connected micro- inversion solution technique is feasible, design and install be convenient to easily moreover it is possible to easily realize the second phase
The advantages of dilatation.But, for the development of the state of the art and energy market, current grid-connected micro- inversion scheme is also just few
Part consciousness is more advanced and the preferable family of economic condition is using, grid-connected micro- inversion scheme big face in family of China
Long-pending popularization remains at present and is not suitable for or premature.
Off-network is applied, and such as solar energy garden lamp, using charge and discharge cycles pattern once a day, utilizes solar energy pair daytime
Energy-storage battery charges, and utilize energy-storage battery electric discharge to realize illumination in the evening.Because all power consumptions of this off-grid system are all complete
Entirely it is taken from energy-storage battery, every watt of electric cost is obviously much higher than grid-connected system.Energy-storage battery, such as valve-control sealed lead
Acid accumulator has highest market application percentage at present, and more competitive every watt-hour unit price.But, this daily one
Under secondary charge and discharge cycles pattern, the average life of every group of energy-storage battery is comparatively very short.In the preferable situation of operating ratio
Under, hundreds of time charge and discharge cycles lead to every two years left and right (the longest use time) to be accomplished by changing whole group energy-storage battery, increase
User economic input of substantial amounts of later stage and manpower are safeguarded.
For at present, for having electricity area, the especially highly stable urban family of mains-supplied, photovoltaic generation is applied
In, off-network pattern does not have too big captivation for general family, lacks economic benefit simultaneously.And grid-connect mode stops in civil power
When electric, the isolated island effect prevention based on power grid maintenance human life safety and the standard that has to carry out, the photovoltaic plant that oneself installs
Also the moment in mains failure is quit work immediately.Due to the restriction of cell floor design, even if sun will can be received outside house
The position of light is all paved with photovoltaic module, and existing photovoltaic module and its installation cannot fully meet the daily normal electricity consumption of family
Demand.Lack one kind at present and meet most of family of China (particularly residential quarters type) use, even if also can be normal after having a power failure
The domestic photovoltaic generating system generating electricity.
Therefore, prior art needs further to improve and develop.
Content of the invention
In view of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of domestic off-network photovoltaic generating system,
Make photovoltaic power generation technology can apply to most of family of China, after power failure, be provided that stand-by power supply.
Technical scheme is as follows:
A kind of domestic off-network photovoltaic generating system, it includes photovoltaic module, controller for solar, accumulator battery and exchanges control
Molding block, described photovoltaic module, controller for solar, accumulator battery and ac control module are sequentially connected, described solar energy control
Device processed connects DC load, and described ac control module connects AC load and civil power；
Described photovoltaic module receives the optical radiation energy in sunlight and is converted into electric energy, is transmitted by controller for solar
Store in accumulator battery, the electric energy that controller for solar obtains in accumulator battery is directly powered to DC load；Described exchange
Control module is used for selecting to switch between mains-supplied and accumulator battery are powered, by accumulator battery when selecting accumulator battery to power
Unidirectional current be converted to 220v alternating current after power to AC load.
In described domestic off-network photovoltaic generating system, described controller for solar includes:
Converting unit, the electric energy for generating photovoltaic module is transferred to storage in accumulator battery；
First output unit, for manually or automatically controlling the power supply state to DC load for the accumulator battery；
Second output unit, for manually or automatically controlling the power supply state to DC load for the accumulator battery；
Universal control unit, for the power supply state to DC load for the Non-follow control accumulator battery；
Described converting unit connects photovoltaic module, accumulator battery, the first output unit, the second output unit and general controls
Unit, described first output unit, the second output unit and universal control unit are all connected with DC load.
In described domestic off-network photovoltaic generating system, described first output unit and the second output unit are to DC load
The control of power supply state include: timing opens and closes power supply, according to ambient brightness and/or human body proximity state control whether to power with
And supply voltage size.
In described domestic off-network photovoltaic generating system, it also includes the 12v voltage conversion for exporting accumulator battery
For 5v voltage, realize the dc/dc module that the output of multichannel usb is powered；Described dc/dc module is connected with described universal control unit.
In described domestic off-network photovoltaic generating system, described accumulator battery is connected by 6 valve-control sealed lead acid batteries
Form.
In described domestic off-network photovoltaic generating system, it also includes the soc of the dump energy for showing accumulator battery
Battery capacity indication module.
In described domestic off-network photovoltaic generating system, described ac control module includes:
Off-network sinewave inverter, for being converted into 220v alternating current by the unidirectional current of accumulator battery；
Double power supply converting switch, for realizing mains-supplied and accumulator battery inversion for the choosing between 220v AC-powered
Select switching；
Air switch unit, for powering civil power or described 220v alternating current transmission to AC load；
Described off-network sinewave inverter, double power supply converting switch, air switch unit are sequentially connected, described off-network sine wave
Inverter connects accumulator battery, and air switch unit connects AC load.
In described domestic off-network photovoltaic generating system, described double power supply converting switch includes civil power RCCB, breaks
Road device auxiliary contact nc, inverter RCCB and guide tracked A.C. contactor；Described civil power RCCB passes through open circuit
Device auxiliary contact nc connects guide tracked A.C. contactor, and guide tracked A.C. contactor connects off-network by inverter RCCB
Sinewave inverter.
In described domestic off-network photovoltaic generating system, described double power supply converting switch also include guide rail type electrical energy meter, its
It is connected between inverter RCCB and guide tracked A.C. contactor.
In described domestic off-network photovoltaic generating system, described civil power RCCB includes the first contact and second and touches
Point, described auxiliary contacts of circuit breaker nc includes the 3rd contact and the 4th contact, and described inverter RCCB includes the 5th and touches
Point and the 6th contact, described guide tracked A.C. contactor include first coil, the second coil, the 7th contact, the 8th contact, the 9th
Contact, the tenth contact, the 11st contact, the 12nd contact, the 13rd contact, photovoltaic indicator light circuit and civil power display lamp electricity
Road；
One end of described first contact connects the zero line of civil power, and the other end of the first contact passes through the 7th contact portion air switch
The one end at the no end, one end of the 9th contact and the 11st contact of unit, one end of described second contact connects the live wire of civil power,
The other end of the second contact passes through the lo end of the 8th contact portion air switch unit, and the 3rd contact is passed through in one end of described first coil
Connect one end of one end of the 4th contact, the lout end of guide rail type electrical energy meter and the 12nd contact, the 13rd contact is touched with the 3rd
Point is in parallel, and the other end of described first coil connects the other end of the 11st contact, one end of the second coil, photovoltaic display lamp electricity
The nout end of road and guide rail type electrical energy meter, the other end of described second coil connects photovoltaic indicator light circuit, touches also by the tenth
Point connects the other end of the 4th contact, and the other end of described 9th contact connects civil power indicator light circuit, the 12nd contact another
One end connects the lo end of civil power indicator light circuit and air switch unit, and the 5th contact is passed through even in the lin end of described guide rail type electrical energy meter
Connect the lb end of off-network sinewave inverter, the 6th contact portion off-network sinewave inverter is passed through at the nin end of guide rail type electrical energy meter
Nb end.
A kind of domestic off-network photovoltaic generating system that the present invention provides, by the light radiation in photovoltaic module receiving element sunlight
Energy is simultaneously converted into electric energy, stores in accumulator battery by controller for solar, and controller for solar obtains in accumulator battery
Electric energy directly power to DC load；The unidirectional current of accumulator battery is converted to 220v alternating current by ac control module one side
Power to AC load, on the other hand control switching between mains-supplied and accumulator battery are powered, enable photovoltaic power generation technology
It is applied to most of family of China, after power failure, be provided that stand-by power supply.
Brief description
Fig. 1 is the Application Example schematic diagram of domestic off-network photovoltaic generating system in the present invention.
Fig. 2 is the Application Example schematic diagram of the double power supply converting switch of domestic off-network photovoltaic generating system in the present invention.
Fig. 3 is the Application Example circuit diagram of the double power supply converting switch of domestic off-network photovoltaic generating system in the present invention.
Specific embodiment
The invention provides a kind of domestic off-network photovoltaic generating system, for making the purpose of the present invention, technical scheme and effect
Clearer, clear and definite, the present invention is described in more detail below.It should be appreciated that specific embodiment described herein is only
In order to explain the present invention, it is not intended to limit the present invention.
The present invention combines existing market technology, family is suitable for photovoltaic module erection space, installation cost and home-use
The consideration of electric aspect, provides a kind of domestic off-network photovoltaic generating system, can by the solar energy of collection be converted to power storage and to
Household electrical appliance are powered, for rationally playing positive front facilitation using solar energy resources.Refer to Fig. 1, the present invention provides
Domestic off-network photovoltaic generating system include being sequentially connected photovoltaic module 1, controller for solar 2, accumulator battery 3 and exchange control
Module 4.Photovoltaic module 1 receives the optical radiation energy in sunlight and is converted into electric energy, is safely deposited by controller for solar 2
Store up in accumulator battery 3.Controller for solar 2 is also connected with DC load, for obtaining the electric energy in accumulator battery 3 to direct current
Load is directly powered；This direct-connected direct current supply mode is converted to compared to existing electric main and is powered after unidirectional current again
For, decrease AC and DC conversion, such that it is able to there be higher energy utilization efficiency, and energy-conserving and environment-protective.
In the present embodiment, the size of described photovoltaic module 1 is determined by actual installation position, and model can adopt jw5535/
110sp.Taking Fushan City, Guangdong Province as a example, solar radiation resource in this area's occupy average level substantially in the whole nation.Photovoltaic module 1 is pacified
Be contained in 13rd floors resident family's Due Souths on the glass guardrail of balcony when, photovoltaic module 1(adopt aluminum frame assembly) frame size be: wide
669mm, high 923mm, reference area is 0.618m2, installed capacity nominal value is 110wp.This installation dimension and cost for
For China domestic consumer, most of family all can bear.When being embodied as, photovoltaic module can adopt bipv(building
Integrated photovoltaic) building integrated photovoltaic component, can directly change the original glass fence of balcony, have more
The outward appearance of good associative perception and more coordination.
Ac control module 4 is electrically connected with AC load and city, for selecting to power it in mains-supplied and accumulator battery
Between switch, select accumulator battery to be converted to after 220v alternating current the unidirectional current (+12v) of accumulator battery 3 just to exchange when powering
Load (as household electrical appliance) power supply, makes domestic off-network photovoltaic generating system meet the part need for electricity of family.I.e. user can be certainly
Row selection be city supply electricity to part electrical equipment especially illuminalive power-supply or accumulator battery inversion for 220v exchange supply electricity to household electrical appliance supply
Electricity.Select civil power supply household electrical appliance when, described ac control module 4 can also real-time detection line voltage, detect civil power
Accumulator battery can be automatically switched to during power failure power.Also can guarantee that continued power so after power failure it is ensured that part household electric
The normal work of device；This domestic off-network photovoltaic generating system stability is higher, can meet the demand of household electricity.
Please continue to refer to Fig. 1, in the present embodiment, model cis10-1.1-2l of described controller for solar 2, it includes
Converting unit 21, the first output unit 22, the second output unit 23 and universal control unit 24, described converting unit 21 connects light
Volt assembly 1, accumulator battery 3, the first output unit 22, the second output unit 23 and universal control unit 24, described first output
Unit 22, the second output unit 23 and universal control unit 24 are all connected with DC load.
Wherein, the electric energy that described converting unit 21 is used for generating photovoltaic module is transferred to storage in accumulator battery 3.First
Output unit 22, the second output unit 23 and universal control unit 24 are provided with the over-discharge protection circuit of accumulator battery 3.The
One output unit 22 and the second output unit 23 all can manually or automatically control the power supply state to DC load for the accumulator battery 3.
Universal control unit 24 mainly to control the power supply state to DC load for the accumulator battery 3 using manual control mode.Control manually
System adopts mechanical switch or soft-touch control, is realized by user's manual operation.
The automatic control mode of the first output unit 22 and the second output unit 23 is produced by its outside input or inside
Control instruction is realized.Described control instruction can be that the ultra-red order that remote control (programming remote control cis-cu) sends is (outside defeated
Enter), this ultra-red order is used for setting the beginning and ending time of power supply.First output unit 22 and the second output unit 23 receive this
Only start corresponding intervalometer after the time, the beginning and ending time reach after, the first output unit 22 and the second output unit 23 accordingly
The unidirectional current (+12v) of accumulator battery is exported to DC load or cut-out for electrical connection, is regularly lighted with realizing or extinguish straight
The function of current load.When being embodied as, described ultra-red order can be also used for arrange temporal power adjustment curve, will at dead of night when
Light source power (as changed supply voltage or supply current) is adjusted to the 1/2 to 1/5 of standard value, changes in different time points bright
Degree.
In further embodiment, described control instruction can also be lighted by the output voltage control of photovoltaic module and close,
It is provided with described light sensor in the first output unit 22 and the second output unit 23, it can detect current ambient brightness
And export corresponding level signal come the size adjustment to control whether to power with supply voltage, to realize according to ambient brightness from dynamic point
Bright or extinguish DC load, or the brightness of adjust automatically DC load.After the sun sets, ambient brightness is relatively low, and DC load is automatic
Light.Automatically lighted again before daybreak in morning and the control effect such as extinguish after certain time length.
In order to realize humanized intelligent lighting effect, in the present embodiment, described control instruction can also be by human body
Proximity transducer produces, and is provided with human body proximity sensor in the first output unit 22 and the second output unit 23, detects people
Light DC load when body is close, human body away from when extinguish DC load；Or when night lighting DC load with extremely low
Power keeps low-light output, and user enters during predeterminable area (i.e. human body proximity sensor can sense the close region of user) relatively
Adjust output brightness soon to the brightest, sense after user leaves and be slowly changed into low-light.
The DC load that described first output unit 22 connects is the mr16 lamp (multifaceted of 12v
Reflector, a kind of standard specificationss halogen reflector lamps formulated by numerous manufacturers).Mr16 lamp is installed in the family mostly
In furred ceiling, its light fixture allows user to adjust the shooting angle of light source within the specific limits, the illumination ring overall to family
Border provides one kind quite preferably to design light source.The halogen tungsten lamp Lamp cup of conventionally employed 12v/20w or 12v/35w of described mr16 lamp,
Its good illumination effect, low price, have certain market competitiveness.
In prior art, mr16 lamp needs the driving power module arranging a 220v just to can access civil power.And the present embodiment
In, the galvanic outfan of accumulator battery 3 and the power end of mr16 lamp can be directly connected to by the first output unit 22.
Because the first output unit 22 can direct output of DC current be powered to mr16 lamp, the Power convert without 220v drives, not only real
The energy utilization of existing higher efficiency, can also save the driving power module of existing 220v, cost-effective.
When being embodied as, the mr16 lamp of halogen tungsten lamp is preferably replaced with the mr16 LED lamp of high-quality to realize preferably saving by user
Energy effect, meanwhile, original connection line need not any be changed.
The DC load that described second output unit 23 connects is brushless electric machine running lamp, and running lamp therein adopts 12v/
The led bulb lamp of 3w, DC brushless motor water pump is 12v/0.8w, and its operation principle and control instruction producing method are defeated with first
Go out unit 22 identical, do not repeat herein.
The universal control unit 24 of controller for solar 2 mainly to control accumulator battery 3 to straight using manual control mode
The power supply state of current load.When the dump energy of accumulator battery 3 is sufficient, as long as user needs, whenever all can beat manually
Open or close and close universal control unit 24, to light or to extinguish DC load.In the present embodiment, it is straight that universal control unit 24 connects
Current load is the led bulb lamp of 12v.Because the electric energy of accumulator battery directly can be transferred to led ball bubble by universal control unit 24
Lamp power it is not necessary to through ac converter link produce excess loss.Meanwhile, for comparing ac power supply method, directly connect
Connect DC load, its overall energy utilization efficiency is considerably better.
In further embodiment, described universal control unit 24 can also connect dc12v direct current jack, for other 12v's
DC load is powered.
When being embodied as, described domestic off-network photovoltaic generating system also includes dc/dc module (model lm2596), its with
Universal control unit 24 connects, for the supply voltage (i.e. the voltage of accumulator battery output) of 12v is converted to 5v voltage, with reality
Existing multichannel usb output, provides electric power used in everyday for smart mobile phone etc. using the load that usb mode is powered.User passes through usb
When data wire connects mobile phone and dc/dc module, dc/dc module by automatic (be also designed to manually button start or
Touch and start etc.), the usb that the 12v that the DC decompression function of dc/dc module exports universal control unit 24 switchs to 5v standard is defeated
Go out, charge the phone.After mobile phone charging complete, or when mobile phone is pulled out from usb data wire, dc/dc module is entered automatically
Enter resting state, that is, stop 5v voltage conversion output of stopping power supply.Dc/dc module taking export 5v/1a as a example, its concrete work
As principle it is:
After actual measurement output current is less than 100ma and keeps about 8s, can determine whether that the battery of mobile phone has been filled with, dc/dc module
Enter dormancy, stop 5v voltage conversion operation output of stopping power supply, now the standby current of dc/dc module is less than 50ua and measures
Level.Wherein, judge that output current is less than 100ma and the holding duration of needs is relevant with the concrete numerical value of output current, specifically electricity
Flow valuve is less, judges that the duration needing is shorter.When being pulled out as usb data wire, output current is zero, then detection keeps zero current
Resting state can be entered within 2 seconds.Understand the working condition of dc/dc module for the ease of user, can also be in dc/dc module
Upper setting one display lamp.When dc/dc module enters working condition, display lamp is lighted；When entering resting state, display lamp puts out
Go out.In addition to can meeting mobile phone and charging, remaining all can be made using the electronic product of usb interface for the multichannel usb output of dc/dc module
With.
In the specific implementation, can be by the usb output port socket mounted to a wall of dc/dc module, as long as user's handle
It is that automatically starting dc/dc module is charged that the usb charging wire of machine first wife inserts this socket, and it enables with mobile phone first wife's
Line charger identical function.And, the present embodiment is after mobile phone is fully charged or when extracting from usb charging wire, due to dc/
Dc module can be automatically into resting state within the several seconds, hardly any further kwh loss.And existing mobile phone uses city
After electricity charges, if failing to extract in time charger, charger Reng Yu city's electrical connection can produce certain electric energy loss.According to reality
Data statisticss understand, the charger connection that 24 hours all do not turn off with civil power within a year, additionally consume in this year more
Electric flux is very many.Therefore, after mobile phone is fully charged, the dc/dc module auto sleep of the present embodiment is thus decrease electric energy
Damage, user can extract mobile phone at any time and not result in waste of energy, solve existing mobile phone fully charged after not and
When extract generation electric energy loss problem, saved power resource.
The first output unit 22, the second output unit 23 and the universal control unit 24 that refer in the present embodiment and with it even
The DC load connecing is example.In the specific implementation, described controller for solar 2 may also include multiple output units to provide
The design requirement of the different DC load of multichannel.
Please continue to refer to Fig. 1, in the present embodiment, described accumulator battery 3 is stored by 6 2v 330ah monomer valve-control sealed lead acids
Battery is in series, and its voltage/capacity is 12v/330ah, and maximum charged capacity is 3.96kwh.Monomer in described accumulator battery 3
The type selecting of battery has the advantage that 1, generally required maximum capacity can not be limited, and accumulator is not required to
In parallel；2nd, single battery weight is relatively light, transports installation all convenient；3rd, to grow than the projected life of conventional 12v accumulator
Many；In the embodiment of the present invention, accumulator battery service life will be longer than the standard off-network photovoltaic system of existing design, reasonable employment
When, improve to the design service life of more than 10 years from 2 years about the actual life of conventional off-grid system design, fine
Under the rationality use premise optimizing, its service life may be up to the expected value of 15 years.When actually used, therefore choose this list
Accumulator body, can allow accumulator battery 3 can substantially prolongs domestic off-network close to even reaching its projected life value as much as possible
The use time of photovoltaic generating system.
For convenience user understand accumulator battery charge condition, described domestic off-network photovoltaic generating system also include for
The soc battery capacity indication module 31 of the dump energy of display accumulator battery.Can be come using magnetoelectricity series pointer instrument when being embodied as
The clear percentage ratio showing dump energy, simultaneously current with different colours mark in the range of the zones of different on meter dial
Dump energy and suggestion occupation mode.Pointer as instrument is located at the residue representing accumulator battery in the green area of graduated disc
More than the 80% of total electricity, electricity is abundant can be reasonably safe to use for electricity.When pointer is located in yellow area, represent remaining
Electricity between the 65-80% of total electricity, save and use by the limited suggestion of electricity.Pointer represents remaining electricity when being located at orange areas
Between the 55-65% of total electricity, power supply in this area remains very safe to amount, but avoids frequent dump energy to exist as far as possible
Electricity consumption is continued to, to reach the purpose of increasing storage battery service life during this region.When pointer is located at red area, represent surplus
Remaining electricity is less than the 55% of total electricity, and now controller for solar has been enter into over state, and converting unit 21 will cut off storage
The discharge channel (i.e. the supplying channels to DC load and AC load) of set of cells to protect accumulator battery, until accumulator battery
Retrieve the electric energy of abundance.Before pointer enters green area, controller would not allow for accumulator battery output direct current power.
It should be appreciated that for the service life better ensuring that accumulator battery, current residual electricity is less than total electricity
Reference value 55% when, converting unit 21 will cut off the supplying channels to DC load and AC load for the accumulator battery.Consider
After the need for electricity of user, in the specific implementation, described domestic off-network photovoltaic generating system can also include a direct current air switch
32(model s201m-c2dc), for as urgent direct current supply mouth, to be applied to urgent electricity consumption situation.Accumulator battery connects
Direct current air switch (as dc12v direct current jack).Because direct current air switch controls without controller for solar 2, cross without accumulator and put
Electric protection function, even if pointer is located at red area, accumulator battery also can realize power supply by direct current air switch output voltage electric current.
It should be noted that for modern newly-built high-rise the commercial house, the resident family of especially of a relatively high floor, generally gathering around
There is appreciable wind resource.In order to rationally utilize wind resource, the photovoltaic generating system of domestic off-network described in the present embodiment
Also set up a wind-force charging module, it includes wind-power electricity generation control circuit, direct current air switch and superminiature direct current wind-driven generator.Wind
Power generation control circuit is connected with single or multiple superminiature direct current wind-driven generators, by superminiature direct current wind-driven generator root
According to the electric energy that wind-force produces, storage in accumulator battery is transferred to by direct current air switch.It is arranged on the superminiature wind-force of balcony or roof
Generating function (as cloudy day, night) in the case of without sunlight realizes the charging to accumulator battery, can preferably extend accumulator
Service life, electric energy can also be continuously replenished.The single-machine capacity of this superminiature direct current wind-driven generator is less, and (size and outward appearance are such as
The radiator fan of home computer), safety is higher and takes up room less, multiple can facilitate and be superimposed side by side when using.Due to super
Minisize dc wind driven generator output power very little, as long as wind-power electricity generation control circuit has anti-reverse charging and pressure-limiting function,
The present embodiment is not construed as limiting to its particular circuit configurations.Relatively stable based on the wind direction near high-rise floor, this superminiature direct current
Wind-driven generator need not be arranged with box haul as conventional wind generator.Therefore, this wind-force charging module is applied to one
As family's (inhabitation higher floor) user group use.
Please continue to refer to Fig. 1, in the present embodiment, the off-network sine wave that described ac control module 4 includes being sequentially connected is inverse
Become device 41, double power supply converting switch 42 and air switch unit 43, described off-network sinewave inverter 41 connects accumulator battery 3, air switch
Unit 43 connects AC load.Off-network sinewave inverter output is 300w, carries delay startup, and dc12v inputs, can be by electric power storage
The unidirectional current of pond group 3 is converted into 220v alternating current and supplies household electrical appliance.Described double power supply converting switch 42(contains earth leakage protective)
It is mainly used in realizing mains-supplied and accumulator battery inversion for the selection switching between 220v AC-powered.Civil power or accumulator
Alternating current after group inversion is powered to AC load by air switch unit 43.
In the present embodiment, described air switch unit 43 includes 3 air switch, i.e. air switch 1, air switch 2, air switch 3, is exchange empty
Open, i.e. miniature circuit breaker.The AC load that air switch 1 connects can be room illumination lamp.Air switch 2 connect AC load can be
Parlor illuminating lamp.The AC load that air switch 3 connects can be an emergency service socket.
When being embodied as, described double power supply converting switch 42 can be using the manual switching circuit with protection, its application implementation
Illustrate be intended to as shown in Fig. 2 this switching switch can easily integral installation in standard din guide rail home distribution box.
Described double power supply converting switch 42 includes civil power RCCB 421, auxiliary contacts of circuit breaker nc 422, inverter leakage, breaking
Device 423 and guide tracked A.C. contactor 424.Described civil power RCCB 421 is connected by auxiliary contacts of circuit breaker nc 422
Guide tracked A.C. contactor 424, guide tracked A.C. contactor 424 connects off-network sine wave by inverter RCCB 423
Inverter 41.
Wherein, auxiliary contacts of circuit breaker nc(represents closed type) due to being to add to be fixedly mounted on civil power RCCB
On 421, an entirety, the preferred model abb s2-h02 of reference can be regarded as with civil power RCCB 421.Corresponding city
Preferred model gs261-c25/0.03 of leakance electrical circuit breakers 421.Guide tracked A.C. contactor 424 applicable model is: nch8-
20/20.
For the ease of understanding the electricity of inverter output, described double power supply converting switch 42 can also select guide tracked electric energy
Table 425, it is connected between inverter RCCB 423 and guide tracked A.C. contactor 424.Described guide rail type electrical energy meter
The 424 din guide rails assemblings adopting standard, the output being mainly used in measuring off-network sinewave inverter 41 in the present embodiment adds up
Energy value, may also display the measurement data such as active power, output voltage, output current and the power factor (PF) of exchange output.Guide rail
The optional model of formula electric energy meter 424: abb c11 110-400.
When civil power RCCB 421 is connected, civil power is powered accessing air switch unit 43 for AC load, now open circuit
Device auxiliary contact nc 422 is off, and the coil no power of guide tracked A.C. contactor 424 makes its main contacts disconnect, that is,
Now off-network sinewave inverter 41 is made to have turned on, the electric energy of off-network sinewave inverter 41 output also will not supply to AC load
Electricity.
When user closes civil power RCCB 421 to cut off civil power manually, auxiliary contacts of circuit breaker nc 422 will
Closure, if now opening off-network sinewave inverter 41 and inverter RCCB 423 is in closure state, guide tracked
The coil electricity of A.C. contactor 424 makes its main contacts connect, and the electric energy that off-network sinewave inverter 41 exports is to AC load
Power supply, the output of guide rail type electrical energy meter 425 record off-network sinewave inverter 41 simultaneously adds up energy value.
This double power supply converting switch 42 is due to using miniature circuit breaker and adnexa, and guide rail type contactor connects composition, its
Actual volume very little and structure are simple, can easily be arranged in the home distribution box of standard.And if, user is at ordinary times
Using mains-supplied, double power supply converting switch 42 does not work, will not produce any extra electric energy loss.Even if using accumulator
During the inversion electric energy of group, the active power consuming during double power supply converting switch 42 actual motion is surveyed within 1w, only needs few
Control energy.The practical operation flow process of this double power supply converting switch 42 includes:
Enable off-network sinewave inverter 41.First close civil power, close civil power RCCB 421；Then start from
Net sinewave inverter 41.Now by the 220v AC-powered after inversion.
Enable civil power.First close off-network sinewave inverter 41；It is next turned on civil power RCCB 421.Now by city
Electricity power supply.
Double power supply converting switch is simple to operate it is adaptable to general domestic consumer uses.Meanwhile, this double power supply converting switch tool
There is certain defencive function, its reason is: if civil power is in an ON state, even if user starts off-network sinewave inverter 41
And inverter RCCB 423 is closed.Because auxiliary contacts of circuit breaker nc is off, only civil power electric leakage is disconnected
After the position that the main contacts of road device 421 has exceeded thorough disjunction, auxiliary contacts of circuit breaker nc just have the possibility of connection, therefore lead
Rail A.C. contactor 424 does not work, and the output of off-network sinewave inverter 41 is not transmitted to AC load.
If reactivate civil power, first close off-network sinewave inverter 41 by described operating process and directly by civil power
RCCB 421 closes, auxiliary contacts of circuit breaker nc in civil power RCCB 421 staff operational stroke about 40%(that is
It is less than the 50% of actuating length, now civil power RCCB 421 access failure) when, auxiliary contacts of circuit breaker nc has been in disconnection
State, its main contacts will disconnect rapidly simultaneously for ac contactor coil power-off immediately.Therefore it is however generally that, civil power leakage, breaking
The main contacts of device 421 can complete to cut off the dynamic of off-network sinewave inverter 41 electric power output before user really connects civil power
Make.
Please refer to Fig. 3, the circuit structure of the preferred embodiment of described double power supply converting switch shown in Fig. 3, this is cut
Change switch to be equally easily installed in standard din guide rail home distribution box, circuit structure performance is more perfect, positioning is more accurate
Really, it is suitable for use in the user group having requirements at the higher level to switch speed.Described civil power RCCB 421 includes the first contact n1
With the second contact n2, be normally opened contact.Described auxiliary contacts of circuit breaker nc 422 include the 3rd contact n3 and the 4th contact n4,
It is normally closed auxiliary contact.Described inverter RCCB 423 includes the 5th contact n5 and the 6th contact n6, is normally opened touching
Point.Described guide tracked A.C. contactor 424 include first coil km1, the second coil km2, the 7th contact n7, the 8th contact n8,
9th contact n9, the tenth contact n10, the 11st contact n11, the 12nd contact n12, the 13rd contact n13, photovoltaic display lamp electricity
Road 4241 and civil power indicator light circuit 4242.Wherein, the 7th contact n7 and the 8th contact n8 is the main contacts of first coil km1
(normally closed).9th contact n9 and the tenth contact n10 is the auxiliary contact (normally opened) of first coil km1.11st contact n11 and the tenth
Two contact n12 are the main contacts (normally opened) of the second coil km2, and the 13rd contact n13 is that the auxiliary contact of the second coil km2 is (normal
Open).
One end of described first contact n1 connects the zero line n of civil power, and the other end of the first contact n1 passes through the 7th contact n7
Connect the one end at the no end, one end of the 9th contact n9 and the 11st contact n11 of air switch unit, one end of described second contact n2
Connect the live wire l of civil power, the other end of the second contact n2 passes through the lo end that the 8th contact n8 connects air switch unit, described First Line
One end of the 3rd contact n3 connection the 4th contact n4 is passed through in one end of circle km1, the lout end of guide rail type electrical energy meter and the 12nd is touched
One end of point n12, the 13rd contact n13 is in parallel with the 3rd contact n3, and the other end of described first coil km1 connects the 11st and touches
The other end of point n11, the nout end of one end, photovoltaic indicator light circuit and guide rail type electrical energy meter of the second coil km2, described second
The other end of coil km2 connects photovoltaic indicator light circuit, connects the other end of the 4th contact n4, institute also by the tenth contact n10
The other end stating the 9th contact n9 connects civil power indicator light circuit, and the other end of the 12nd contact n12 connects civil power display lamp electricity
The lo end of road and air switch unit, the lin end of described guide rail type electrical energy meter is passed through the 5th contact n5 and is connected off-network sinewave inverter
Lb end, the nb end that the 6th contact n6 connects off-network sinewave inverter is passed through at the nin end of guide rail type electrical energy meter.
Wherein, the contact that the dotted line in Fig. 3 is connected is opened and closed simultaneously.Wherein, the first contact n1, the second contact n2, the 3rd touch
When point n3 and the 4th contact n4 substantially simultaneously action, such as the first contact n1 and the second contact n2 closure, the 3rd contact n3 and the
Four contact n4 open after being separated by the very short time.7th contact n7 and the 8th contact n8 is opened and closed simultaneously, the 11st contact n11 and
12 contact n12 are opened and closed simultaneously.When photovoltaic indicator light circuit 4241 has electric current to flow through, that is, off-network sinewave inverter 41 is powered
When, its built-in LED lamp that can send blue light of photovoltaic indicator light circuit 4241 is lit.Civil power indicator light circuit 4242 has electric current stream
Out-of-date, that is, during mains-supplied, its built-in LED lamp that can send HONGGUANG of civil power indicator light circuit 4242 is lit.So user
Can understand that currently AC load is powered is civil power or accumulator battery according to the color that LED lamp lights.
Fig. 3 has quite comprehensive and perfect defencive function, and only need to increase by two little elements and can realize handss well
Move and full automatic handoff functionality: one is used for the switch that automatic/hand selects switching, a city's electric-examination with 2nc contact
Survey relay (being connected between 421 and 424, for simulating the action to 422 auxiliary contact during staff operation 421).
Find when actual motion is tested by the switched system that two newly-increased elements are barricaded as, if selecting automatic running shape
State, again powers in civil power and disconnects in the repetitious automatic switching procedure of civil power, be connected on Fig. 1 emergency service socket
Desktop computer is always maintained at continuous and steady operation, any perceptible difference.
In terms of energy consumption, when Tu3 city is electrically accessed and is set to manual running status, total consumption of double-power supply switching device
Electricity almost 0, predominantly red led circuit, representative value is 0.02w；Tu3 city is electrically accessed and is set to automatic running shape
During state, the total power consumption of double-power supply switching device is substantially the coil power consumption of city's electro-detection relay, and representative value is less than 0.5w.
In another embodiment of the present invention, described double power supply converting switch can also be using being made up of two-way RCCB
Full manual manipulation mode, or commercialization finished product dual power supply handover module, or three kinds of schemes such as DPDT MTS are real
Existing.
Wherein, the full manual manipulation mode of two-way RCCB composition is applied to the user group with electric specialty；
In its five kinds of scheme listed by the present embodiment, volume is minimum, and cost is minimum, and does not increase excess loss.But the program
Flow operations must strictly be pressed, the RCCB outfan parallel connection of two-way standard only need to be can achieve by hardware.City's leakance
Electrical circuit breakers and inverter RCCB can only connect one, forbid two choppers to be in the state of closing, therefore not
General family is recommended to select.
Described commercialization finished product dual power supply handover module is equally applicable to general domestic consumer colony, optional model 2p
220v double power supply automatic switching switch, or single-phase domestic mini ats((automatic transfer switch)).Use
When commercialization finished product dual power supply handover module can be set to manual mode to save civil power standby power consumption at ordinary times, also can achieve
Full automatic switching.Program major advantage be cheap, have more mature technology and the marketization produce.But due to needing
To rotate two choppers using motor, switch speed relatively slow (as a example the embodiment shown in by Fig. 3, actual motion is tested, even if
Be still can achieve in a manual mode artificial cut-out civil power and reclose manually city electrically operated after, desktop computer all can be very well
Ground keeps the exception without that continuously normally works.And this commercialization finished product dual power supply handover module is to enable
, its typical switching time in 1.5 second-times, the long decades of times than the uninterrupted time that desktop computer requires).Meanwhile, this business
Industry chemical conversion product dual power supply handover module is more heavy, and overall volume is bigger than miniature circuit breaker, and its base is not leading of standard
Rail, generally cannot be arranged in home distribution box.
Described DPDT MTS is applied to the partial electric professional user colony to device space no requirement (NR),
It is fairly simple directly and efficiently, equipment safety and no excess loss under normal switchover operation flow process；But its volume is larger, and one
As be not suitable for all kinsfolks operation.
Please continue to refer to Fig. 1, for convenience user can remote controlling household off-network photovoltaic generating system working condition,
In another preferred embodiment of the present invention, described domestic off-network photovoltaic generating system also includes bluetooth module 5, itself and converting unit
21 connections, can obtain the working status parameter of controller for solar 2 and the electricity of accumulator battery according to the instruction of reading of user input
Amount state is simultaneously transmitted moreover it is possible to the modification transmitting user input instructs the work changing controller for solar to controller for solar
State.User can download relative application software realization mobile terminal (as mobile phone, panel computer) to controller for solar scene
The test run of the wireless monitoring function of service data and controller for solar, the ability of parameter setting.Wherein, described family
Bluetooth 4.0 module can be adopted with off-network photovoltaic generating system bluetooth module 5, its volume very little, can be with save space.
For example, the bluetooth module that user passes through on mobile phone is wirelessly connected with domestic off-network photovoltaic generating system, and mobile phone transmits
The reading instruction of user input, the bluetooth module 5 of domestic off-network photovoltaic generating system obtains related data, and to be transferred to mobile phone real-time
Or the service data such as the dump energy of Dynamic Announce accumulator, battery tension, current battery current.User can also be led to
Cross mobile phone input related amendments instruction, the working condition of converting unit in remote wireless control controller for solar, such as editor are repaiied
Change and confirm the operational factor of controller for solar；Directly initiate test run instruction, allow controller for solar to abandon putting except crossing
All control parameters beyond protection all directly export the duration specified, and such as 3 minutes, time span can manually adjust.Described
The function of enabling between the bluetooth module 5 of domestic off-network photovoltaic generating system and mobile terminal includes but is not limited to above work(
Energy.
Based on above-mentioned bluetooth module 5, in a further embodiment, described domestic off-network photovoltaic generating system is acceptable
Remote monitoring is realized by interconnected network mode.I.e. the Internet is connected with Bluetooth adapter by home router, Bluetooth adapter
It is connected with the bluetooth module of domestic off-network photovoltaic generating system, as shown in Figure 1.Bluetooth by domestic off-network photovoltaic generating system
Module 5 and the instruction of Bluetooth adapter interaction data, enable users to realize to domestic off-network photovoltaic generating system by the Internet
Radio communication remote monitoring.Because the bluetooth module 5 of domestic off-network photovoltaic generating system is very little to the energy requirement of power supply, can
Bluetooth receptions the turning to lan mouth of data of directly powering, complete by the rj45 stitch of the lan mouth of the home router of definition
Connection function.When being embodied as, as long as Bluetooth adapter is inserted the lan mouth of home router, and free download corresponds on the net
Control software, you can remote monitoring work(is realized to mounted domestic off-network photovoltaic generating system at any time by surfing Internet with cell phone
Energy.
Based on above-mentioned the Internet remote monitoring mode, in the specific implementation, described domestic off-network photovoltaic generating system can also
Realize upgrading now, software is upgraded to controller for solar by the Internet transmission, domestic off-network photovoltaic generating system is entered
Line parameter is changed, is distributed rationally, especially can optimize the power of photovoltaic module, capacity of accumulator battery etc..User and user it
Between, use experience and the problem of domestic off-network photovoltaic generating system can also be exchanged between user and manufacturer by the Internet.Manufacturer
Can find that during fault, the corresponding program of transmission is to too by the working condition of the Internet remote detection domestic off-network photovoltaic generating system
Sun can carry out system reparation or upgrading, to realize degree of accuracy hommization and the integrity of further Curve guide impeller by controller.
It should be noted that when being embodied as, described domestic off-network photovoltaic generating system is except can be to above-mentioned DC load
Power with AC load, it can also carry out partitioning illuminalive power-supply, to provide more preferable light source for the multi-point source of lower-wattage
Spatial impression.For example, in a particular embodiment of the present invention, lighting load is substantially all LED light source, includes: to different work(
Rate and the reasonably combined mr16 shot-light of emergent light angle, substantial amounts of g4 crystal lamp bead, 12 t5 daylight lamp, 7 t8 daylight lamp,
E27 bulb lamp, e14 desk lamp, special-shaped Mirror front lamp etc. carry out comprehensive power supply.Due to user can for such as listen music, dinner, reading,
The various use scenes of amusement, friend's party etc. take different lighting demands, design that the opening and closing of each light source are done not
Same optimum organization, compares the general effect more human nature of its optical environment of lighting system that traditional uniform irradiation is evenly distributed
Change and more preferably, the decrement of consumed electric energy is also suitable considerable simultaneously.
In addition to meeting daily DC load and powering, the present embodiment also correspondence carries this domestic off-network photovoltaic generating system
For a kind of " family's photovoltaic generation day " function, " family's photovoltaic generation day " is artificial disconnection lighting load and line
Connect, be changed to the electric energy using photovoltaic generation storage, (interval time one mainly between two " family's photovoltaic generation day "
As the longest for 1-2 month, the shortest solar radiation energy that for several days, the length of interval time depended primarily on for the previous period is total
Amount and home-use electricity), daily DC load normally uses rear residue to get off to accumulate and carry after the energy inversion in accumulator battery
Supply the AC load of whole family.The startup of " family's photovoltaic generation day " function can be according to the pointer of soc battery capacity indication module
Be reference, if pointer continuously a couple of days be in the top of green area and can trust and enable.In reasonable employment, each " family's light
The actual run time of volt generating day " usually can exceed one day, is contemplated that when being dropped near the centre of yellow area with pointer
Terminate, manually by AC load (as lighting load) again switchback by mains-supplied." family's photovoltaic generation day ", function could
To improve the energy source use sense of participation of user, the use of accumulator battery of making rational planning for；As long as power supply capacity controls in certain model
In enclosing, meet producer and the operation of accumulator long-life is advised.Certainly, if the continuous several months is still without starting, " family's photovoltaic is sent out
Electric day " function, damage is not resulted in yet to accumulator battery.
The user group that the domestic off-network photovoltaic generating system that the present invention provides is suitable for is relatively broad, installs more convenient；
Can after power failure, or natural disaster cause power failure in the case of carry out emergency service；It can also increase national energy-conserving and environment-protective and energy
Source utilization study, reduces carbon emission.
It should be appreciated that the application of the present invention is not limited to above-mentioned citing, for those of ordinary skills, can
To be improved according to the above description or to convert, all these modifications and variations all should belong to the guarantor of claims of the present invention
Shield scope.
Claims (7)
1. a kind of domestic off-network photovoltaic generating system is it is characterised in that include photovoltaic module, controller for solar, accumulator battery
And ac control module, described photovoltaic module, controller for solar, accumulator battery and ac control module are sequentially connected, described
Controller for solar connects DC load, and described ac control module connects AC load and civil power；
Described photovoltaic module receives the optical radiation energy in sunlight and is converted into electric energy, is transferred to storage by controller for solar
Store in set of cells, the electric energy that controller for solar obtains in accumulator battery is directly powered to DC load；Described exchange controls
Module is used for selecting to switch between mains-supplied and accumulator battery are powered, and selects accumulator battery when powering, accumulator battery is straight
Stream electricity is powered to AC load after being converted to 220v alternating current；
Described ac control module includes:
Off-network sinewave inverter, for being converted into 220v alternating current by the unidirectional current of accumulator battery；
Double power supply converting switch, cuts for the selection between 220v AC-powered for realizing mains-supplied and accumulator battery inversion
Change；
Air switch unit, for powering civil power or described 220v alternating current transmission to AC load；
Described off-network sinewave inverter, double power supply converting switch, air switch unit are sequentially connected, described off-network sine wave inverter
Device connects accumulator battery, and air switch unit connects AC load；
Described double power supply converting switch include civil power RCCB, auxiliary contacts of circuit breaker nc, inverter RCCB and
Guide tracked A.C. contactor；Described civil power RCCB connects guide tracked A.C. contactor by auxiliary contacts of circuit breaker nc,
Guide tracked A.C. contactor connects off-network sinewave inverter by inverter RCCB；
Also include the soc battery capacity indication module of the dump energy for showing accumulator battery.
2. domestic off-network photovoltaic generating system according to claim 1 is it is characterised in that described controller for solar bag
Include:
Converting unit, the electric energy for generating photovoltaic module is transferred to storage in accumulator battery；
First output unit, for manually or automatically controlling the power supply state to DC load for the accumulator battery；
Second output unit, for manually or automatically controlling the power supply state to DC load for the accumulator battery；
Universal control unit, for the power supply state to DC load for the Non-follow control accumulator battery；
Described converting unit connects photovoltaic module, accumulator battery, the first output unit, the second output unit and general controls list
Unit, described first output unit, the second output unit and universal control unit are all connected with DC load.
3. domestic off-network photovoltaic generating system according to claim 2 is it is characterised in that described first output unit and
The control of the power supply state to DC load for two output units includes: timing opens and closes power supply, is connect according to ambient brightness and/or human body
Nearly state controls whether power supply and supply voltage size.
4. domestic off-network photovoltaic generating system according to claim 2 is it is characterised in that also include for by accumulator battery
The 12v voltage conversion of output is 5v voltage, realizes the dc/dc module of multichannel usb output power supply；Described dc/dc module with described
Universal control unit connects.
5. domestic off-network photovoltaic generating system according to claim 1 is it is characterised in that described accumulator battery is by 6 valves
Control sealed lead acid storage battery is in series.
6. domestic off-network photovoltaic generating system according to claim 1 it is characterised in that described double power supply converting switch also
Including guide rail type electrical energy meter, it is connected between inverter RCCB and guide tracked A.C. contactor.
7. domestic off-network photovoltaic generating system according to claim 6 is it is characterised in that described civil power RCCB bag
Include the first contact and the second contact, described auxiliary contacts of circuit breaker nc includes the 3rd contact and the 4th contact, described inverter leakage
Electrical circuit breakers include the 5th contact and the 6th contact, described guide tracked A.C. contactor include first coil, the second coil, the 7th
Contact, the 8th contact, the 9th contact, the tenth contact, the 11st contact, the 12nd contact, the 13rd contact, photovoltaic display lamp electricity
Road and civil power indicator light circuit；
One end of described first contact connects the zero line of civil power, and the other end of the first contact passes through the 7th contact portion air switch unit
No end, one end of the 9th contact and the 11st contact one end, one end of described second contact connects the live wire of civil power, second
The other end of contact passes through the lo end of the 8th contact portion air switch unit, and the 3rd contact portion is passed through in one end of described first coil
One end of one end of the 4th contact, the lout end of guide rail type electrical energy meter and the 12nd contact, the 13rd contact is with the 3rd contact simultaneously
Connection, the other end of described first coil connect the other end of the 11st contact, one end of the second coil, photovoltaic indicator light circuit and
The nout end of guide rail type electrical energy meter, the other end of described second coil connects photovoltaic indicator light circuit, connects also by the tenth contact
Connect the other end of the 4th contact, the other end of described 9th contact connects civil power indicator light circuit, the other end of the 12nd contact
Connect the lo end of civil power indicator light circuit and air switch unit, the lin end of described guide rail type electrical energy meter pass through the 5th contact portion from
The lb end of net sinewave inverter, the nb of the 6th contact portion off-network sinewave inverter is passed through at the nin end of guide rail type electrical energy meter
End.
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| CN201410325069.1A CN104184394B (en) | 2014-07-09 | 2014-07-09 | Household off-grid photovoltaic power generation system |
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| JP6089050B2 (en) * | 2015-01-22 | 2017-03-01 | 東芝エレベータ株式会社 | Storage battery device |
| CN104701883A (en) * | 2015-03-25 | 2015-06-10 | 国家电网公司 | Concentrated monitoring type light-storing micro-grid solar photovoltaic generating system |
| GB201609337D0 (en) * | 2016-05-26 | 2016-07-13 | Cello Electronics Uk Ltd | Solor powered electrical appliance and method of use thereof |
| CN106571668A (en) * | 2016-08-11 | 2017-04-19 | 合肥通用电源设备有限公司 | Power supply control system capable of adopting solar photovoltaic in office rooms |
| CN106451747A (en) * | 2016-11-01 | 2017-02-22 | 上海华群实业股份有限公司 | Residence matching power supply comprehensive automatic device |
| CN106773936A (en) * | 2016-12-09 | 2017-05-31 | 南京科控奇智能科技有限公司 | A kind of energy consumption data collecting system based on wireless network |
| CN107204633A (en) * | 2017-07-29 | 2017-09-26 | 合肥赛度电子科技有限公司 | A kind of efficient off-network photovoltaic generating system of domestic safety |
| CN108206504A (en) * | 2018-02-06 | 2018-06-26 | 浙江辉弘光能股份有限公司 | Distributed photovoltaic power generation station earth leakage protective device |
| CN109334498A (en) * | 2018-11-20 | 2019-02-15 | 佛山职业技术学院 | A kind of photovoltaic automobile charging pile distribution system and its control method |
| CN111511069A (en) * | 2020-04-29 | 2020-08-07 | 戴志安 | Energy-saving indoor lamp with solar energy and mains supply free switching function |
| CN111564867A (en) * | 2020-06-03 | 2020-08-21 | 安徽中申电力科技有限公司 | Off-grid photovoltaic power generation system based on solar energy |
| CN116470548A (en) * | 2023-02-02 | 2023-07-21 | 联桥科技有限公司 | Photovoltaic energy storage battery management system |
| CN116470633A (en) * | 2023-04-23 | 2023-07-21 | 广州柏曼光电科技有限公司 | Indoor illumination power supply management system and method |
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| CN201562980U (en) * | 2009-10-29 | 2010-08-25 | 江苏金敏能源股份有限公司 | Small off-net solar power station system |
| US8710699B2 (en) * | 2009-12-01 | 2014-04-29 | Solaredge Technologies Ltd. | Dual use photovoltaic system |
| CN103138636B (en) * | 2011-11-28 | 2016-03-30 | 北汽福田汽车股份有限公司 | A kind of photovoltaic is from grid-connected and energy storage mixed power supply system |
| WO2014071314A2 (en) * | 2012-11-02 | 2014-05-08 | Coritech Srvices, Inc. | Modular microgrid unit and method of use |
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