CN106452290A - Solar energy storage system and method thereof - Google Patents
Solar energy storage system and method thereof Download PDFInfo
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- CN106452290A CN106452290A CN201611037631.6A CN201611037631A CN106452290A CN 106452290 A CN106452290 A CN 106452290A CN 201611037631 A CN201611037631 A CN 201611037631A CN 106452290 A CN106452290 A CN 106452290A
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- 238000004146 energy storage Methods 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 15
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims abstract description 207
- 229910052744 lithium Inorganic materials 0.000 claims abstract description 207
- 229920000642 polymer Polymers 0.000 claims abstract description 43
- 230000005611 electricity Effects 0.000 claims abstract description 16
- 239000004065 semiconductor Substances 0.000 claims description 65
- 230000002093 peripheral effect Effects 0.000 claims description 18
- 230000001681 protective effect Effects 0.000 claims description 12
- 150000001875 compounds Chemical class 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000006116 polymerization reaction Methods 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000007689 inspection Methods 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 7
- 238000005286 illumination Methods 0.000 description 4
- 239000011324 bead Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S10/00—PV power plants; Combinations of PV energy systems with other systems for the generation of electric power
- H02S10/20—Systems characterised by their energy storage means
-
- 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
- H02J9/061—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 DC 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
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a solar energy storage system and a method of the solar energy storage system. The system includes a solar battery used as an input power, a single chip and two polymer lithium batteries used as output power; the single chip is respectively and alternatively connected with two polymer lithium batteries, and the single chip is electrically connected with the solar battery; the solar battery is electrically connected with one polymer lithium battery; the single chip detects and controls work of the two polymer lithium batteries, and control one of the two polymer lithium batteries to externally output, and the other one accepts the charging from the solar battery. When a mobile phone and other external loads are charged, the solar battery can also charge the polymer lithium batteries; when voltage of one polymer lithium battery for charging the load is less than 3 V, it can be automatically switched to the other one polymer lithium battery to charge the load; the solar battery can charge the battery after discharging electricity, thus the solar energy is fully used.
Description
Technical field
The present invention relates to technical field of solar, more particularly, to a kind of energy-storage system of solar energy and its method.
Background technology
Existing have two kinds using the method that solar energy is charged to peripheral hardwares such as mobile phones：The first is directly by solar energy
The voltage of battery boosts, and is charged to peripheral hardwares such as mobile phones after boosting to 5V；Second is to have added one piece of poly-lithium battery
Make reserve battery, after solaode is boosted, poly-lithium battery is charged, then the voltage liter by poly-lithium battery
After being pressed onto 5V, the peripheral hardwares such as mobile phone are charged.The shortcoming of first kind of way is：Because the illumination of the sun is unstable, the sun
Can the output of battery be also unstable, lead to mobile phone and peripheral hardware are charged and can not continue, when no when have.Second has been done very big
Improvement, be stable at least when mobile phone and peripheral hardware are charged, shortcoming is：When being charged to mobile phone and peripheral hardware
When, solaode can not be charged to poly-lithium battery simultaneously, when poly-lithium battery power consumption to the greatest extent after,
Wait solaode that poly-lithium battery is charged.
Content of the invention
For weak point present in above-mentioned technology, the present invention provides one kind can make full use of solar energy, charge persistently
The energy-storage system of continual solar energy and its method, overcome the unstable shortcoming of solar illuminating, overcome can not be simultaneously
The problem of discharge and recharge, using Intelligent Single-Chip Based control system, the illumination of sufficiently effective utilization solar energy.
For achieving the above object, the present invention provides a kind of energy-storage system of solar energy, including the sun as input power
Energy battery, single-chip microcomputer and two pieces of poly-lithium batteries as out-put supply；Described single-chip microcomputer respectively with two blocks of polymer lithium electricity
Pond interconnects, and single-chip microcomputer is electrically connected with solaode, and described solaode and one of poly-lithium battery
Electrical connection；
Described monolithic machine testing simultaneously controls the work of two pieces of poly-lithium batteries, controls two pieces of one piece of poly-lithium batteries externally defeated
Go out, one piece accepts solaode and it is charged；
When the output of one of poly-lithium battery is connected to load, the electricity of two pieces of poly-lithium batteries monitored always by single-chip microcomputer
Pressure, when connecing loaded polymer lithium cell electric and forcing down in 3V, single-chip microcomputer can control and automatically switches to another piece of polymer lithium
Battery continues, to load discharge, to allow solaode that the poly-lithium battery being discharged is charged simultaneously；When not connecing
During load, solaode can be charged to one of, and single-chip microcomputer continues the poly-lithium battery that monitoring is electrically charged simultaneously
Voltage, when this poly-lithium battery voltage be more than 4.1V when, single-chip microcomputer then controls solaode to be switched to another piece
Poly-lithium battery is charged.
Wherein, described single-chip microcomputer includes main control MCU circuit, is responsible for the boost in voltage of solaode to 5V and to wherein
Input booster circuit that one piece of poly-lithium battery is charged, it is responsible for arriving the boost in voltage of one of poly-lithium battery
5V to load be charged output booster circuit, constitute two pieces of poly-lithium batteries charge tunnel two charging circuits and
Constitute two discharge circuits of the discharge channel of two pieces of poly-lithium batteries；The outfan of described main control MCU circuit passes through input
Booster circuit is electrically connected with solaode, and described input booster circuit is electrically connected with two charging circuits；Described main control MCU electricity
The voltage of two pieces of poly-lithium batteries is detected on road, and its outfan passes through two charging circuits and corresponding polymer lithium electricity respectively
Pond electrically connects, and its outfan is connected with corresponding polymer lithium cell electric also by two discharge circuits, described polymer lithium electricity
Pond is passed through output booster circuit and is connected with load.
Wherein, described single-chip microcomputer also includes carrying out loop protection to corresponding poly-lithium battery, prevents it from overcharging or mistake
Two protective loop put, each protective loop is electrically connected with corresponding charging circuit and discharge circuit.
Wherein, described main control MCU circuit includes MCU and the voltage detecting that two pieces of poly-lithium batteries are detected respectively
Unit, described voltage detection unit includes the 18th resistance, the 23rd resistance, the 24th resistance and the 27th electric capacity,
One end of described 24th resistance and the 27th electric capacity is connected to the AD pin of MCU, and one end of the 18th resistance connects
Corresponding poly-lithium battery, the other end of described 18th resistance is connected with one end of the 23rd resistance, and the 23rd
The other end ground connection of resistance, the other end ground connection of described 27th electric capacity, the other end of described 24th resistance connect to
The common port that 18th resistance and the 23rd resistance are formed；Described 18th resistance and the 23rd resistance are to polymer lithium
Battery carries out partial pressure, and the AD pin of MCU does AD conversion and measures the voltage of corresponding poly-lithium battery.
Wherein, described input booster circuit includes the first chip, the second metal-oxide-semiconductor and the first inductance, solar energy input first
The input of chip, and the outfan of described first chip is connected with one end of the second metal-oxide-semiconductor, and described second metal-oxide-semiconductor is another
One end connects two charging circuits respectively, and is connected the first inductance between the first chip and the second metal-oxide-semiconductor；Described first chip,
Second metal-oxide-semiconductor and the input booster circuit of the first inductance composition solaode, by the boost in voltage of solaode to 5V, can
To be charged to corresponding poly-lithium battery by the input channel of two charging circuits.
Wherein, each charging circuit all includes fourth chip and the 9th metal-oxide-semiconductor, and the other end of described second metal-oxide-semiconductor connects
To the input of fourth chip, and the outfan of described fourth chip connects to the 9th metal-oxide-semiconductor, and the 9th metal-oxide-semiconductor connects wherein
One piece of poly-lithium battery, and by solaode, it is charged.
Wherein, each discharge circuit all includes the first metal-oxide-semiconductor, the 3rd metal-oxide-semiconductor, the 5th metal-oxide-semiconductor and the 6th metal-oxide-semiconductor, polymerization
Thing lithium battery connects to the first metal-oxide-semiconductor, and the first metal-oxide-semiconductor is then connected to the 6th after the 3rd metal-oxide-semiconductor and the 5th metal-oxide-semiconductor of series connection
Metal-oxide-semiconductor；The passage of described discharge circuit is to control it to open or close by MCU.
Wherein, described output booster circuit includes the second chip and peripheral circuit, and one of poly-lithium battery passes through
Peripheral circuit connects to the second chip, and the second chip exports 5V voltage by peripheral circuit, and load is charged.
Wherein, each protective loop all includes the 3rd chip and fifth chip, and each poly-lithium battery accesses the 3rd core
The input of piece, and the outfan of described 3rd chip connects to fifth chip.
For achieving the above object, the present invention also provides a kind of energy storage method of the energy-storage system of solar energy, and the method is：
After electricity on system initialization, close input and the output channel of two pieces of poly-lithium batteries, main control MCU circuit is examined automatically
Survey the voltage of two pieces of poly-lithium batteries, judge whether the voltage of one of poly-lithium battery is higher than another piece of polymer lithium
The voltage of battery；If being higher than, opening the discharge channel of one of poly-lithium battery, closing its charge tunnel；And open
The charge tunnel of another piece of poly-lithium battery, and close its discharge channel；If being less than, open another piece of poly-lithium battery
Discharge channel, close its charge tunnel；And open the charge tunnel of one of poly-lithium battery it is allowed to solaode
One of polymer is charged and closes its discharge channel through input booster circuit；
When accessing load, high-tension poly-lithium battery is charged to it；The two pieces of polymerizations of monitoring automatically of main control MCU circuit
The voltage of thing lithium battery, when connecing loaded polymer lithium cell electric and forcing down in 3V, it is poly- that main control MCU circuit is automatically switched off electric discharge
The discharge channel of compound lithium battery, and open its charge tunnel, simultaneously close off the charge tunnel of another piece of poly-lithium battery, beat
Open its discharge channel, continue load is charged by this another piece of poly-lithium battery, solaode then passes through input and rises
Volt circuit charges to the poly-lithium battery opening energising of charging；
When not connecing load, when solar irradiation is fine, solaode is to the low polymer of voltage in two pieces of poly-lithium batteries
Lithium battery is charged, and during charging, is automatically monitored the voltage of two pieces of poly-lithium batteries by main control MCU circuit；As
The voltage of really one of poly-lithium battery is less than the voltage of another piece of poly-lithium battery, then solaode passes through input
Booster circuit is charged to this one of poly-lithium battery, and during charging, main control MCU circuit is automatically monitored this and gathered
The voltage of compound lithium battery；
When the voltage of the poly-lithium battery charging is more than 4.1V, then automatically this is charged by main control MCU circuit
The charge tunnel of poly-lithium battery close, open the charge tunnel of another piece of poly-lithium battery, and it be logical to close its electric discharge
Road, is charged to another piece of poly-lithium battery by inputting booster circuit by solaode.
The invention has the beneficial effects as follows：Compared with prior art, the present invention provides the energy-storage system of solar energy and its side
Method, this system adds double focusing compound lithium battery using solaode, adds single-chip computer control system it is achieved that to mobile phone etc. simultaneously
When external load is charged, solaode can also be charged to poly-lithium battery, when wherein to load into
The polymer lithium cell electric that row charges forces down when 3V, can automatically switch to another poly-lithium battery, continue to load into
Row charges；Solaode can continue exhausted cell is charged again, makes full use of solar energy.Above-mentioned improvement, gram
Taken the unstable shortcoming of solar illuminating, overcome can not discharge and recharge simultaneously problem, using Intelligent Single-Chip Based control system,
The illumination of sufficiently effective utilization solar energy.
Brief description
Fig. 1 is the block diagram of the energy-storage system of solar energy of the present invention；
Fig. 2 is the schematic diagram of main control MCU circuit in the present invention；
Fig. 3 is the schematic diagram inputting booster circuit in the present invention；
Fig. 4 is the schematic diagram exporting booster circuit in the present invention；
Fig. 5 is the schematic diagram of charging circuit in the present invention；
Fig. 6 is the schematic diagram of discharge circuit in the present invention；
Fig. 7 is the schematic diagram of protective loop in the present invention.
Main element symbol description is as follows：
10th, solaode 11, poly-lithium battery
12nd, single-chip microcomputer 13, load
121st, main control MCU circuit 122, input booster circuit
123rd, output booster circuit 124, charging circuit
125th, discharge circuit 126, protective loop.
Specific embodiment
In order to more clearly state the present invention, below in conjunction with the accompanying drawings the present invention is further described.
Refer to Fig. 1, the energy-storage system of the solar energy of the present invention and its method, including the solar-electricity as input power
Pond 10, single-chip microcomputer 12 and two pieces of poly-lithium batteries 11 as out-put supply；Single-chip microcomputer 12 respectively with two blocks of polymer lithium electricity
Pond 11 interconnects, and the outfan of single-chip microcomputer 12 is electrically connected with the input of solaode 10, and solaode 10 with
One of poly-lithium battery 11 electrically connects；
Single-chip microcomputer 12 detects and controls the work of two pieces of poly-lithium batteries, controls two pieces of one piece of poly-lithium batteries externally defeated
Go out, one piece accepts solaode and it is charged；
When the output of one of poly-lithium battery is connected to load, the electricity of two pieces of poly-lithium batteries monitored always by single-chip microcomputer
Pressure, when connecing loaded polymer lithium cell electric and forcing down in 3V, single-chip microcomputer can control and automatically switches to another piece of polymer lithium
Battery continues, to load discharge, to allow solaode that the poly-lithium battery being discharged is charged simultaneously；When not connecing
During load, solaode can be charged to one of, and single-chip microcomputer continues the poly-lithium battery that monitoring is electrically charged simultaneously
Voltage, when this poly-lithium battery voltage be more than 4.1V when, single-chip microcomputer then controls solaode to be switched to another piece
Poly-lithium battery is charged.
In the present embodiment, single-chip microcomputer 12 includes main control MCU circuit 121, is responsible for arriving the boost in voltage of solaode
5V and one of poly-lithium battery 11 is charged input booster circuit 122, be responsible for one of polymer lithium
The boost in voltage of battery exports booster circuit 123, constitutes filling of two pieces of poly-lithium batteries 11 to what 5V was charged to load
Two discharge circuits 125 of the discharge channel of two charging circuits 124 of electric channel and two pieces of poly-lithium batteries of composition；Master control
The outfan of MCU circuit 121 is passed through input booster circuit 122 and is electrically connected with solaode 10, inputs booster circuit and two
Charging circuit electrically connects；The voltage of two pieces of poly-lithium batteries of main control MCU electric circuit inspection, and its outfan filled by two respectively
Circuit is connected with corresponding polymer lithium cell electric, and its outfan is also by two discharge circuits and corresponding polymer lithium electricity
Pond electrically connects, and poly-lithium battery is passed through output booster circuit and is connected with load.Single-chip microcomputer is also included to corresponding polymer lithium
Battery carries out loop protection, prevents it from overcharging or crosses two protective loop 126 put, each protective loop 126 is filled with corresponding
Circuit and discharge circuit electrical connection.
Further referring to Fig. 2, main control MCU circuit 12 includes MCU and two pieces of poly-lithium batteries 11 is examined respectively
The voltage detection unit surveyed, voltage detection unit includes the 18th resistance R18, the 23rd resistance R23, the 24th resistance
R24 and the 27th electric capacity C27, one end of the 24th resistance and the 27th electric capacity is connected to the AD pin of MCU, and the tenth
One end of eight resistance connects corresponding poly-lithium battery, and one end of the other end of the 18th resistance and the 23rd resistance is even
Connect, and the other end ground connection of the 23rd resistance, the other end ground connection of the 27th electric capacity, the other end of the 24th resistance is even
It is connected to the common port that the 18th resistance and the 23rd resistance are formed；18th resistance and the 23rd resistance are to polymer lithium
Battery carries out partial pressure, and the AD pin of MCU does AD conversion and measures the voltage of corresponding poly-lithium battery.First pin of MCU with
It is parallel with the 24th electric capacity C24 and the 26th electric capacity C26, due to the electricity of two poly-lithium batteries between 14th pin
Pressure detector unit is the same, therefore only lists one of voltage detection unit.
Further referring to Fig. 3, input booster circuit 122 and include the first chip U1, the second metal-oxide-semiconductor T2 and the first inductance
L1, solar energy SOLAR input the input of the first chip, and the outfan of the first chip is connected with one end of the second metal-oxide-semiconductor, and
The other end of the second metal-oxide-semiconductor connects two charging circuits 124 respectively, is connected first between the first chip U1 and the second metal-oxide-semiconductor T2
Inductance L1, the first chip, the second metal-oxide-semiconductor and the first inductance L1 form the input booster circuit of solaode, by solar-electricity
The boost in voltage in pond, to 5V, can be charged to corresponding poly-lithium battery by the input channel of two charging circuits.
The second pin of solar energy SOLAR and the first chip is connected with the second diode D2, and the second diode D2 and solar energy SOLAR
Between be connected with the first electric capacity C1 and the second electric capacity C2, and the first electric capacity C1 and the second electric capacity C2 is all grounded, the of the first chip
One pin is connected with second resistance R2 and 3rd resistor R3 and the tenth electric capacity C10 and the 14th electric capacity C14 of series connection；Second resistance
Common port after R2 and the tenth electric capacity C10 connects passes through the 9th electric capacity C9 ground connection, and the first electric capacity C1 is public with the second diode D's
End is grounded after passing sequentially through the first inductance L1 and the 4th electric capacity C4, and the other end pin of the second metal-oxide-semiconductor T2 is connected to the one or two
Pole pipe D1, and the first diode D1 connects the 7th electric capacity C7 in parallel and the 6th electric capacity C6, and the 6th electric capacity C6 passes through magnetic bead L2
Connect to the 9th electric capacity C9.First chip U1 and the second metal-oxide-semiconductor T2 and its booster circuit of peripheral circuit composition input, will too
The boost in voltage of sun energy battery, to 5V, can be charged by the one of poly-lithium battery of charging circuit.Here first
Inductance L1 raising voltage acts on, and magnetic bead plays power filter effect.
Further referring to Fig. 5, each charging circuit 124 all includes fourth chip U4 and the 9th metal-oxide-semiconductor Q9, the 2nd MOS
The other end of pipe T2 connects to the input of fourth chip, and the outfan of fourth chip connects to the 9th metal-oxide-semiconductor, and the 9th
Metal-oxide-semiconductor connects one of poly-lithium battery, and by solaode, it is charged.First pin of fourth chip is even
Meet the 19th resistance R19, second pin connects the 22nd resistance R22, and the 19th resistance R19, the 22nd resistance R23 and
3rd pin is all grounded, and the 8th resistance R8 and the 13rd electric capacity C13's and the 13rd electric capacity C13 and the 11st electric capacity C11 is public
End is connected to the 4th pin, and the 4th pin is grounded also by after the 21st resistance R21 and the 20th electric capacity C20, and the 5th draws
Foot connects the 16th electric capacity C16 and one of poly-lithium battery respectively, and the 8th pin connects the colelctor electrode of the 9th metal-oxide-semiconductor,
The grounded emitter of the 9th metal-oxide-semiconductor, the base stage of the 9th metal-oxide-semiconductor connects the 34th resistance R34 and the 35th resistance respectively
R35.The charging circuit passage of poly-lithium battery is made up of fourth chip U4, the 9th metal-oxide-semiconductor and its periphery, this passage be by
MCU opens or closes controlling it.When one of poly-lithium battery does not externally discharge, the electricity by battery for the MCU
Pressure detector unit, the cell voltage of two poly-lithium batteries of detection, when the voltage of one of poly-lithium battery is less than separately
During the voltage of one battery, by MCU, this passage is opened, when having solar irradiation, solaode will be by input
Booster circuit boosts to 5V, and the poly-lithium battery of low-voltage is charged.
Further referring to Fig. 6, each discharge circuit 125 all includes the first metal-oxide-semiconductor Q1, the 3rd metal-oxide-semiconductor Q3, the 5th MOS
Pipe Q5 and the 6th metal-oxide-semiconductor Q6, poly-lithium battery connects to the first metal-oxide-semiconductor, the first metal-oxide-semiconductor pass through series connection the 3rd metal-oxide-semiconductor and
It is then connected to the 6th metal-oxide-semiconductor after 5th metal-oxide-semiconductor；The passage of discharge circuit is to control it to open or close by MCU.Polymer lithium
Battery is connected to the first metal-oxide-semiconductor Q1 by the 13rd resistance R13, and both common ports pass through the 11st resistance R11 ground connection, the
It is connected with the 9th resistance R9 between the two poles of the earth of three metal-oxide-semiconductor Q3, between the two poles of the earth of the 5th metal-oxide-semiconductor Q5, be connected with the 28th resistance
R28, the 6th metal-oxide-semiconductor Q6 connects the 29th resistance R29 and the 30th resistance R30 respectively.By by the first metal-oxide-semiconductor Q1, the 3rd MOS
Pipe Q3, the 5th metal-oxide-semiconductor Q5 and the 6th metal-oxide-semiconductor Q6 constitute discharge circuit, and this passage is to control it to open or close by MCU.When
When having external load, MCU passes through voltage detecting passage, and the cell voltage of two poly-lithium batteries of detection, when one of high
When the voltage of another one, by MCU, this passage is opened, boost to 5V by exporting booster circuit passage, outer to mobile phone etc.
If being charged.
Further referring to Fig. 4, export booster circuit 123 and include the second chip U and peripheral circuit, one of polymer
Lithium battery is connected to the second chip by peripheral circuit, and the second chip by peripheral circuit export 5V voltage, and to load into
Row charges.It is connected with the 3rd inductance L3, second pin is grounded, the 3rd pin between first pin of the second chip and the 5th pin
Connect first resistor R1 and the 5th resistance R5 and the 22nd electric capacity C22 and the 23rd electric capacity C23 of series connection, and the 5th resistance
R5 and the 23rd electric capacity C23 is all grounded, and is connected with the tenth of one end all ground connection the between the 3rd diode D3 and first resistor R1
Eight electric capacity C18, the 19th electric capacity C19, the 21st electric capacity C21；4th pin passes through the 12nd resistance R12 connection the 5th and draws
Foot, the other end of the 20th resistance R20 is all connected with the 15th electric capacity C15 and the 17th electric capacity C17, and the 20th resistance R20 with
Pass through the 25th electric capacity C25 ground connection between 4th pin.Second chip and its peripheral circuit composition output booster circuit, by it
In a poly-lithium battery boost in voltage to 5V, peripheral hardware is charged.
Further referring to Fig. 7, each protective loop 126 all includes the 3rd chip U3 and fifth chip U5, each polymerization
Thing lithium battery accesses the input of the 3rd chip, and the outfan of the 3rd chip connects to fifth chip.The of 3rd chip U3
It is connected the 12nd electric capacity C12, poly-lithium battery passes through the 12nd resistance R12 connection the 5th and draws between five pins and the 6th pin
Foot, second pin is grounded after the tenth resistance R10；Protective loop can effectively prevent two poly-lithium batteries from occurring overcharging or
Cross the phenomenon put.
For achieving the above object, the present invention also provides a kind of energy storage method of the energy-storage system of solar energy, and the method is：
After electricity on system initialization, close input and the output channel of two pieces of poly-lithium batteries, main control MCU circuit is examined automatically
Survey the voltage of two pieces of poly-lithium batteries, judge whether the voltage of one of poly-lithium battery is higher than another piece of polymer lithium
The voltage of battery；If being higher than, opening the discharge channel of one of poly-lithium battery, closing its charge tunnel；And open
The charge tunnel of another piece of poly-lithium battery, and close its discharge channel；If being less than, open another piece of poly-lithium battery
Discharge channel, close its charge tunnel；And open the charge tunnel of one of poly-lithium battery it is allowed to solaode
One of polymer is charged and closes its discharge channel through input booster circuit；
When accessing load, high-tension poly-lithium battery is charged to it；The two pieces of polymerizations of monitoring automatically of main control MCU circuit
The voltage of thing lithium battery, when connecing loaded polymer lithium cell electric and forcing down in 3V, it is poly- that main control MCU circuit is automatically switched off electric discharge
The discharge channel of compound lithium battery, and open its charge tunnel, simultaneously close off the charge tunnel of another piece of poly-lithium battery, beat
Open its discharge channel, continue load is charged by this another piece of poly-lithium battery, solaode then passes through input and rises
Volt circuit charges to the poly-lithium battery opening energising of charging；
When not connecing load, when solar irradiation is fine, solaode is to the low polymer of voltage in two pieces of poly-lithium batteries
Lithium battery is charged, and during charging, is automatically monitored the voltage of two pieces of poly-lithium batteries by main control MCU circuit；As
The voltage of really one of poly-lithium battery is less than the voltage of another piece of poly-lithium battery, then solaode passes through input
Booster circuit is charged to this one of poly-lithium battery, and during charging, main control MCU circuit is automatically monitored this and gathered
The voltage of compound lithium battery；
When the voltage of the poly-lithium battery charging is more than 4.1V, then automatically this is charged by main control MCU circuit
The charge tunnel of poly-lithium battery close, open the charge tunnel of another piece of poly-lithium battery, and it be logical to close its electric discharge
Road, is charged to another piece of poly-lithium battery by inputting booster circuit by solaode.
The energy-storage system of solar energy providing compared to the situation of prior art, the present invention and its method, this system adopts
Solaode adds double focusing compound lithium battery, adds single-chip computer control system it is achieved that carrying out to external loads such as mobile phones simultaneously
When charging, solaode can also be charged to poly-lithium battery, when the polymerization wherein load being charged
When thing lithium battery voltage is less than 3V, another poly-lithium battery can be automatically switched to, continue load is charged；Solar energy
Battery can continue exhausted cell is charged again, makes full use of solar energy.Above-mentioned improvement, overcomes solar illuminating
Unstable shortcoming, overcome can not discharge and recharge simultaneously problem, using Intelligent Single-Chip Based control system, sufficiently effective utilization
The illumination of solar energy.
Several pieces of specific embodiments being only the present invention disclosed above, but the present invention is not limited to this, any ability
What the technical staff in domain can think change all should fall into protection scope of the present invention.
Claims (10)
1. a kind of energy-storage system of solar energy is it is characterised in that include the solaode as input power, single-chip microcomputer and work
Two pieces of poly-lithium batteries for out-put supply；Described single-chip microcomputer is interconnected with two pieces of poly-lithium batteries respectively, and monolithic
Machine is electrically connected with solaode, and described solaode is connected with one of polymer lithium cell electric；
Described monolithic machine testing simultaneously controls the work of two pieces of poly-lithium batteries, controls two pieces of one piece of poly-lithium batteries externally defeated
Go out, one piece accepts solaode and it is charged；
When the output of one of poly-lithium battery is connected to load, the electricity of two pieces of poly-lithium batteries monitored always by single-chip microcomputer
Pressure, when connecing loaded polymer lithium cell electric and forcing down in 3V, single-chip microcomputer can control and automatically switches to another piece of polymer lithium
Battery continues, to load discharge, to allow solaode that the poly-lithium battery being discharged is charged simultaneously；When not connecing
During load, solaode can be charged to one of, and single-chip microcomputer continues the poly-lithium battery that monitoring is electrically charged simultaneously
Voltage, when this poly-lithium battery voltage be more than 4.1V when, single-chip microcomputer then controls solaode to be switched to another piece
Poly-lithium battery is charged.
2. the energy-storage system of solar energy according to claim 1 is it is characterised in that described single-chip microcomputer includes main control MCU electricity
Road, it is responsible for input liter piezoelectricity that the boost in voltage of solaode is charged to 5V and to one of poly-lithium battery
Road, be responsible for by the boost in voltage of one of poly-lithium battery to 5V to load be charged output booster circuit, composition
The two of the discharge channel of two charging circuits of the charge tunnel of two pieces of poly-lithium batteries and two pieces of poly-lithium batteries of composition
Individual discharge circuit；The outfan of described main control MCU circuit is passed through input booster circuit and is electrically connected with solaode, described input
Booster circuit is electrically connected with two charging circuits；The voltage of described two pieces of poly-lithium batteries of main control MCU electric circuit inspection, and it is defeated
Go out end to connect with corresponding polymer lithium cell electric by two charging circuits respectively, its outfan is also by two discharge circuits
Connect with corresponding polymer lithium cell electric, described poly-lithium battery is passed through output booster circuit and is connected with load.
3. the energy-storage system of solar energy according to claim 2 is it is characterised in that described single-chip microcomputer is also included to corresponding
Poly-lithium battery carries out loop protection, prevents it from overcharging or crosses two protective loop putting, each protective loop with corresponding
Charging circuit and discharge circuit electrical connection.
4. solar energy according to claim 2 energy-storage system it is characterised in that described main control MCU circuit include MCU and
The voltage detection unit that two pieces of poly-lithium batteries are detected respectively, described voltage detection unit include the 18th resistance,
23rd resistance, the 24th resistance and the 27th electric capacity, one end of described 24th resistance and the 27th electric capacity
Be connected to the AD pin of MCU, one end of the 18th resistance connects corresponding poly-lithium battery, described 18th resistance another
One end is connected with one end of the 23rd resistance, and the 23rd resistance the other end ground connection, described 27th electric capacity another
One end is grounded, and the other end of described 24th resistance connects public with what the 23rd resistance was formed to the 18th resistance
End；Described 18th resistance and the 23rd resistance carry out partial pressure to poly-lithium battery, and the AD pin of MCU does AD conversion and surveys
The voltage of the corresponding poly-lithium battery of amount.
5. the energy-storage system of solar energy according to claim 2 is it is characterised in that described input booster circuit includes first
Chip, the second metal-oxide-semiconductor and the first inductance, solar energy input the first chip input, and the outfan of described first chip with
One end of second metal-oxide-semiconductor connects, and the other end of described second metal-oxide-semiconductor connects two charging circuits respectively, and the first chip with
The first inductance is connected between second metal-oxide-semiconductor；Described first chip, the second metal-oxide-semiconductor and the first inductance form the defeated of solaode
Enter booster circuit, the boost in voltage of solaode to 5V can pass through the input channel of two charging circuits to corresponding
Poly-lithium battery is charged.
6. the energy-storage system of solar energy according to claim 5 is it is characterised in that each charging circuit all includes the 4th core
Piece and the 9th metal-oxide-semiconductor, the other end of described second metal-oxide-semiconductor connects to the input of fourth chip, and described fourth chip is defeated
Go out end to connect to the 9th metal-oxide-semiconductor, and the 9th metal-oxide-semiconductor connects one of poly-lithium battery, and by solaode, it is entered
Row charges.
7. the energy-storage system of solar energy according to claim 2 is it is characterised in that each discharge circuit all includes first
Metal-oxide-semiconductor, the 3rd metal-oxide-semiconductor, the 5th metal-oxide-semiconductor and the 6th metal-oxide-semiconductor, poly-lithium battery connects to the first metal-oxide-semiconductor, and the first metal-oxide-semiconductor leads to
It is then connected to the 6th metal-oxide-semiconductor after crossing the 3rd metal-oxide-semiconductor connected and the 5th metal-oxide-semiconductor；The passage of described discharge circuit is to be controlled by MCU
Make it to open or close.
8. the energy-storage system of solar energy according to claim 2 is it is characterised in that described output booster circuit includes second
Chip and peripheral circuit, one of poly-lithium battery is connected to the second chip by peripheral circuit, and the second chip passes through
Peripheral circuit exports 5V voltage, and load is charged.
9. the energy-storage system of solar energy according to claim 3 is it is characterised in that each protective loop all includes the 3rd core
Piece and fifth chip, each poly-lithium battery accesses the input of the 3rd chip, and the outfan of described 3rd chip connects
To fifth chip.
10. a kind of energy storage method of the energy-storage system of solar energy is it is characterised in that the method is：
After electricity on system initialization, close input and the output channel of two pieces of poly-lithium batteries, main control MCU circuit is examined automatically
Survey the voltage of two pieces of poly-lithium batteries, judge whether the voltage of one of poly-lithium battery is higher than another piece of polymer lithium
The voltage of battery；If being higher than, opening the discharge channel of one of poly-lithium battery, closing its charge tunnel；And open
The charge tunnel of another piece of poly-lithium battery, and close its discharge channel；If being less than, open another piece of poly-lithium battery
Discharge channel, close its charge tunnel；And open the charge tunnel of one of poly-lithium battery it is allowed to solaode
One of polymer is charged and closes its discharge channel through input booster circuit；
When accessing load, high-tension poly-lithium battery is charged to it；The two pieces of polymerizations of monitoring automatically of main control MCU circuit
The voltage of thing lithium battery, when connecing loaded polymer lithium cell electric and forcing down in 3V, it is poly- that main control MCU circuit is automatically switched off electric discharge
The discharge channel of compound lithium battery, and open its charge tunnel, simultaneously close off the charge tunnel of another piece of poly-lithium battery, beat
Open its discharge channel, continue load is charged by this another piece of poly-lithium battery, solaode then passes through input and rises
Volt circuit charges to the poly-lithium battery opening energising of charging；
When not connecing load, when solar irradiation is fine, solaode is to the low polymer of voltage in two pieces of poly-lithium batteries
Lithium battery is charged, and during charging, is automatically monitored the voltage of two pieces of poly-lithium batteries by main control MCU circuit；As
The voltage of really one of poly-lithium battery is less than the voltage of another piece of poly-lithium battery, then solaode passes through input
Booster circuit is charged to this one of poly-lithium battery, and during charging, main control MCU circuit is automatically monitored this and gathered
The voltage of compound lithium battery；
When the voltage of the poly-lithium battery charging is more than 4.1V, then automatically this is charged by main control MCU circuit
The charge tunnel of poly-lithium battery close, open the charge tunnel of another piece of poly-lithium battery, and it be logical to close its electric discharge
Road, is charged to another piece of poly-lithium battery by inputting booster circuit by solaode.
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| CN201611037631.6A CN106452290A (en) | 2016-11-23 | 2016-11-23 | Solar energy storage system and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611037631.6A CN106452290A (en) | 2016-11-23 | 2016-11-23 | Solar energy storage system and method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107706960A (en) * | 2017-08-31 | 2018-02-16 | 贵州百能车辆有限公司 | A kind of solar electric vehicle charge control system |
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Application publication date: 20170222 |