CN108964237A - A kind of method and solar illuminating system of dynamic adjustment battery discharging mode - Google Patents
A kind of method and solar illuminating system of dynamic adjustment battery discharging mode Download PDFInfo
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- CN108964237A CN108964237A CN201810630957.2A CN201810630957A CN108964237A CN 108964237 A CN108964237 A CN 108964237A CN 201810630957 A CN201810630957 A CN 201810630957A CN 108964237 A CN108964237 A CN 108964237A
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000007599 discharging Methods 0.000 title claims abstract description 26
- 238000005286 illumination Methods 0.000 claims abstract description 17
- 230000005611 electricity Effects 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 240000002853 Nelumbo nucifera Species 0.000 description 5
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 5
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
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- 229910052710 silicon Inorganic materials 0.000 description 1
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Classifications
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- H02J7/0077—
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
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- 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
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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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Power Engineering (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The present invention provides the methods and solar illuminating system of a kind of dynamic adjustment battery discharging mode, are applied to solar illuminating system, the solar illuminating system includes solar panels, battery, controller and illuminator lamp；The described method includes: the controller detects the average charge charge in the same day charging charge or period specified time of the battery；Discharge charge based on charging charge on the day of the battery or the average charge charge in the period specified time night that calculates the battery on the day of；Make battery discharge charge at night on the day of be proportional to it is described on the day of charging charge or average charge charge；The discharge parameter at night that adjusts the battery on the day of, makes the battery power with calculated discharge charge to the illuminator lamp to realize system illumination.Battery over-discharge can be reduced or even avoided based on method provided by the invention, and then extends battery.
Description
Technical field
The present invention relates to lighting technical field, method more particularly to a kind of dynamic adjustment battery discharging mode and too
Positive energy lighting system.
Background technique
Solar street light using crystal silicon solar energy battery due to powering, and solar energy belongs to inexhaustible, uses it
Inexhaustible, cleanliness without any pollution and the reproducible environmentally protective energy, therefore, for the street lamp of conventional utility power illumination, the sun
Energy streetlight is more widely applied.
Existing Solar Street Lighting System there is a problem of one it is important, accumulator capacity is strong according to the average sunshine in area
Degree and time carry out selection calculating.And in actual use, the intensity of sunshine on daytime and time have significant change, for example, the summer
The sunshine-duration in it and winter and intensity of sunshine can different, and the sunshine-duration in summer is long, intensity height and the sunshine-duration in winter
It is universal it is shorter, intensity is low；On the other hand, the hours of darkness in summer are short and the hours of darkness in winter are long, if according to the day in winter
It is calculated according to time and intensity of sunshine, accumulator capacity can become very large, and increase battery cost；If according to summer
Sunshine-duration and intensity of sunshine are calculated, and battery to winter would be at the state of over-discharge, are influenced routine use, are damaged simultaneously
The evil life of storage battery, increases road lamp maintenance cost.
Summary of the invention
The present invention provides a kind of dynamic adjustment battery discharging mode method and solar illuminating system to overcome on
It states problem or at least is partially solved the above problem.
According to an aspect of the invention, there is provided a kind of method of dynamic adjustment battery discharging mode, is applied to too
Positive energy lighting system, the solar illuminating system includes solar panels, battery, controller and illuminator lamp；It is described too
Positive energy plate passes through the irradiation of sunlight, absorbs solar energy and charges after being converted into electric energy to the battery；The described method includes:
The controller detects the average charge charge in the same day charging charge or period specified time of the battery；
Charging charge or the average charge charge in period specified time calculate the electric power storage on the day of based on the battery
The discharge charge at pond night on the day of；Make battery discharge charge at night on the day of be proportional to it is described on the day of charging charge
Or average charge charge；
The discharge parameter at night that adjusts the battery on the day of makes the battery with calculated discharge charge to institute
Illuminator lamp power supply is stated to realize system illumination.
Optionally, the controller detects being averaged in the same day charging charge or period specified time of the battery and fills
After charge, further includes:
Detect the average charge time in the charging time on the same day or period specified time of the battery；
The electric power storage is calculated based on the average charge time in the charging time on the battery same day or period specified time
The discharge charge at pond night on the day of, make battery discharge charge at night on the day of be proportional to it is described on the day of the charging time
Or the average charge time.
Optionally, based on the average charge charge by the battery same day charging charge or in period specified time
The battery is calculated on the day of after the discharge charge at night, further includes:
The discharge charge at night that makes the battery on the day of with it is described on the day of charging charge or average charge charge it is equal.
Optionally, if setting sunrise time as t0, sunset time t1, then the charging time on the same day is expressed as: tc=t1-
t0；
The average charge time tc in N days period specified time, avg are calculated by the following formula:
Wherein, tc, n represent n-th day charging time.
Optionally, the charging charge Qc on the day of the battery is calculated by the following formula:
Wherein, ic (t) indicates same day charging current；
The average charge charge Q c in N days period specified time, avg are calculated by the following formula:
Wherein, Qc, n represent n-th day charging charge.
Optionally, the adjustment battery is on the day of before the discharge parameter at night, further include preset it is described
Battery discharges in the following ways: where the initial discharge moment is t2, and termination discharging time is t3；
The battery is controlled from the t2 moment and the t4 moment is discharged to electric current I1, switch discharges electric current to I2, and with electricity
I2 continuous discharge is flowed to moment t4；
Moment t5 is discharged to electric current I2 from moment t4, termination discharging time is discharged to electric current I3 from moment t5
t3；Wherein, electric current I1, electric current I3 are all larger than electric current I2.
Optionally, it is calculated by the following formula night discharge charge Qd:
Qd=I1X (t4-t2)+I2X (t5-t4)+I3X (t3-t5)
The discharge parameter at adjustment battery night on the day of, makes the battery with calculated discharge charge
It powers to the illuminator lamp to realize system illumination, comprising:
Electric current I1, electric current I2, electric current I3, moment t4 and/or moment t5 are adjusted, makes the battery with calculated electric discharge
Charge Q d powers to the illuminator lamp to realize system illumination.
Optionally, the battery is preset with minimum discharge charge；If the calculated discharge charge be less than it is described most
Low discharge charge is then controlled the battery and is powered with the minimum discharge charge to the illuminator lamp.
Optionally, the battery is preset with highest discharge charge；If the calculated discharge charge be greater than it is described most
High discharge charge is then controlled the battery and is powered with the highest discharge charge to the illuminator lamp.
According to another aspect of the present invention, a kind of solar illuminating system is provided, comprising:
Solar panels absorb solar energy and charge after being converted into electric energy to battery for the irradiation by sunlight；
Controller charges for controlling the solar panels daytime to battery, and the control battery is black
Night discharges to illuminator lamp；
Battery for receiving the electric energy of the solar panels transmission, and is carried out according to according to the control of the controller
Charge and discharge；The charge and discharge of the battery have the feature that according to the charging charge on daytime on the same day or in period specified time
Average charge charge, dynamic adjust night discharge parameter；
Illuminator lamp is illuminated for receiving the electric energy that the battery provides.
Optionally, the controller is also used to adjust the discharge parameter of the battery, so that the battery is on the day of
The discharge charge at night is proportional to same day charging charge or average charge charge.
Optionally, the controller was also used to detect in the charging time on the same day or period specified time of the battery
The average charge time；
The electric power storage is calculated based on the average charge time in the charging time on the battery same day or period specified time
The discharge charge at pond night on the day of, make battery discharge charge at night on the day of be proportional to it is described on the day of the charging time
Or the average charge time.
The present invention provides the methods and solar illuminating system of a kind of dynamic adjustment battery discharging mode, according to electric power storage
The charging charge or the average charge charge in period specified time on daytime, dynamic adjust the discharge parameter at night on the day of pond.Into
One step, when controller adjusts the discharge mode of battery, on the day of battery being made on the day of the discharge charge at night being proportional to
Charging charge or average charge charge even avoid battery over-discharge to reduce, and then extend battery, reduce battery
The maintenance cost of cost and solar illuminating system.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can
It is clearer and more comprehensible, the followings are specific embodiments of the present invention.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as to the present invention
Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is solar illuminating system structural schematic diagram according to an embodiment of the present invention；
Fig. 2 is the flow diagram of the method for dynamic adjustment battery discharging mode according to an embodiment of the present invention；
Fig. 3 is battery charging current curve synoptic diagram according to an embodiment of the present invention；
Fig. 4 is battery discharging electric current curve synoptic diagram according to an embodiment of the present invention；
Fig. 5 is the battery discharging electric current curve synoptic diagram of preferred embodiment one according to the present invention；
Fig. 6 is the battery discharging electric current curve synoptic diagram of preferred embodiment two according to the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Fig. 1 is solar illuminating system structural schematic diagram provided in an embodiment of the present invention, as shown in Figure 1, the present invention is implemented
The solar illuminating system that example provides may include solar panels 10, battery 20, controller 30 and illuminator lamp 40,
In, solar panels 10 are used for the irradiation by sunlight, absorb solar energy and charge after being converted into electric energy to battery 20；Control
Device 30 charges for controlling 10 daytime of solar panels to battery 20, and control 20 night of battery is to illuminator lamp
Electric discharge；Battery 20 carries out charge and discharge for receiving the electric energy of the transmission of solar panels 10, and according to the control of controller 30；It stores
The charge and discharge of battery 20 have the feature that according to the charging charge on daytime on the same day or the electricity of the average charge in period specified time
Lotus, dynamic adjust the discharge parameter at night；Illuminator lamp 40, the electric energy for receiving the offer of battery 20 are illuminated.At this
Inventive embodiments summarize, the main shadow by parameters such as the algorithm of controller, efficiency, solar irradiations of the charge and discharge of battery 20
It rings.
Further, controller 30 can be also used for the discharge parameter of adjustment battery 20, so that battery 20 is on the day of
The discharge charge at night is proportional to same day charging charge or average charge charge.In addition to this, in the preferred embodiment of the present invention, control
Device 30 processed can be also used for detection battery 20 on the day of average charge time in charging time or period specified time；Into
And darkness is being worked as based on the average charge time calculating accumulator 20 in 20 charging time on the same day of battery or period specified time
The discharge charge at night, charging time or average charge time on the day of making battery 20 discharge charge at night being proportional on the day of.
In solar illuminating system provided in an embodiment of the present invention, battery 20, can be based on daytime on the same day in charging
Charging time, charging charge or the average charge time in period specified time, average charge charge, dynamically to adjust night
Discharge parameter can avoid the over-discharge of battery while guaranteeing lighting demand, and then extend battery and the entire sun
The service life of energy lighting system.
Based on the same inventive concept, the embodiment of the invention also provides a kind of sides of dynamic adjustment battery discharging mode
Method is applied to solar illuminating system, which may include solar panels as shown in Figure 1, battery, control
Device and illuminator lamp processed；Solar panels pass through the irradiation of sunlight, absorb solar energy and fill after being converted into electric energy to battery
Electricity；As shown in Fig. 2, the method for the dynamic adjustment battery discharging mode provided according to embodiments of the present invention may include:
Step S202, controller detect the same day charging charge of battery or the average charge electricity in period specified time
Lotus；
Step S204 calculates electric power storage based on charging charge on the day of battery or the average charge charge in period specified time
The discharge charge at pond night on the day of charging charge or averagely fills on the day of making battery the discharge charge at night being proportional on the day of
Charge；
Step S206, adjust battery night on the day of discharge parameter, make battery with calculated discharge charge to
Illuminator lamp is powered to realize system illumination.
The embodiment of the invention provides a kind of methods of dynamic adjustment battery discharging mode, according to daytime on the day of battery
Charging charge or the average charge charge in period specified time, dynamic adjust night discharge parameter.Further, this hair
When the discharge mode of the controller adjustment battery in bright embodiment, making battery on the day of, the discharge charge at night is proportional to
Same day charging charge or average charge charge even avoid battery over-discharge to reduce, and then extend battery, reduce
The maintenance cost of battery cost and solar illuminating system.Wherein, when detecting the average charge charge in period specified time,
Charging charge daily in period specified time can be first detected, then is averaged.Period specified time can be one week or
Several days, specifically can the geographical location according to locating for sun lamp illuminating system and different demands set, the present invention is not done
It limits.According to the charging charge or charging charge on battery daytime, dynamic adjusts the discharge parameter at battery night, reduces very
To avoiding battery over-discharge, and then reduce the maintenance cost of battery cost and solar illuminating system.As a kind of preferred implementation
Example, the discharge charge at night that can make battery on the day of charging charge or average charge charge on the day of are equal, based on reality
The corresponding control night discharge charge of average charge charge of the border situation according to the charging charge on the same day or in a period of time, so that storing
Battery charging and discharging balance, further promotes service lifetime of accumulator.
Preferably, when controller detects battery charging charge or average charge electricity in period specified time on the day of
After lotus, the average charge time in the charging time on the same day or period specified time of battery can also be detected；And then it is based on
The electric discharge electricity at charging time or average charge time calculating accumulator night on the day of in period specified time on the day of battery
Lotus, charging time or average charge time on the day of making battery the discharge charge at night being proportional on the day of.Wherein, tune can be passed through
The discharge parameter at whole battery night makes battery with calculated discharge charge to photograph such as discharge time and/or discharge current
It is bright to be powered with lamp, and then realize illumination.
Fig. 3 shows battery charging current curve synoptic diagram according to an embodiment of the present invention.From the figure 3, it may be seen that due to by
Variation to solar irradiation influences, and charging current ic (t) is not unalterable, but is changed over time；If setting is at sunrise
Between be t0, sunset time t1, the charging time as the variation of sunrise time t0 and sunset time t1 and change, these are most
Making battery eventually, charged lotus is different daily, can use sunrise time and the sunset on the same day when detecting the daily charging time
Time carries out calculating acquisition, and charging time tc can be indicated are as follows: tc=t1-t0.If calculating being averaged for N days period specified time to fill
When electric time tc, avg, following formula can be passed through:
Wherein, tc, n represent n-th day charging time.
The charging charge on daytime on the same day needs to integrate charging current ic (t):If
Charging charge average value Qc, the avg for needing to calculate N days, can pass through following formula:
Wherein Qc, n represent n-th day charging charge average value.
It, can be by controller after obtaining charging charge on the day of battery or the average charge charge in period specified time
Control average charge charge of the discharge charge of battery close to same day charging charge or in period specified time, it is preferable that can
So that the discharge charge of battery is equal to same day charging charge or the average charge charge in period specified time.Battery is black
The considerations of night discharges to illuminator lamp, for energy conservation and optimizes accumulator capacity, can propose different discharge modes.
Optionally, before the discharge parameter at night, the discharge mode of battery, electric discharge electricity can be preset on the day of in adjustment battery
Flow curve can refer to Fig. 4.In the discharge current curves of Fig. 4, the initial discharge moment is t2, and termination discharging time is t3, at this
In embodiment, under type such as can be used and discharge:
Step S1 controls battery and is discharged to the t4 moment from the t2 moment with electric current I1, switch discharges electric current to I2, and with
Electric current I2 continuous discharge is to moment t4；
Step S2 is discharged to moment t5 from moment t4 with electric current I2, is discharged to termination from moment t5 with electric current I3 and puts
Electric moment t3；Wherein, electric current I1, electric current I3 are all larger than electric current I2.
In discharge current curves i.e. shown in Fig. 4, since moment t2, setting battery is discharged with higher electric current I1,
It is keeping after a certain period of time, such as 3 hours, is arriving moment t4 late at night, road pedestrian or vehicle are less, reduce battery at this time and put
Electric current is worked as and is increased gradually close to moment in morning t5, road pedestrian or vehicle, then improve battery discharging electric current and arrive to I3
I2 keeps work until discharge off moment t3.Wherein, moment t2 is preferably same day sunset time, and moment t3 preferably works as
Its sunrise time, it is, of course, also possible to wanting very much illuminance transducer can be arranged in lighting system, if detecting current environment brightness
When lower than some numerical value, i.e., using the moment as electric discharge initial time t2, when brightness be higher than some numerical value when using the moment as
Discharge off moment t3.It can be in addition, discharge mode at least one preferred embodiment used by the embodiment, in practical application
It is changed in conjunction with solar illuminating system present position, illumination requirement and time, for electric discharge initial time and electric discharge
Other modes setting can also be used in end time, and the present invention is without limitation.
Based on described above, the discharge current of battery can be calculate by the following formula:
Qd=I1X (t4-t2)+I2X (t5-t4)+I3X (t3-t5)
It can be seen that the discharge parameter at adjustment battery night on the day of, such as electric current I1, electric current I2, electric current I3, moment t4
And/or moment t5, can be realized makes battery power with calculated discharge charge Qd to illuminator lamp to realize system illumination.
Fig. 5 is battery discharging electric current curve synoptic diagram according to one preferred embodiment of the present invention, as shown in figure 5, passing through
Change discharge current value and realize discharge charge adjustment, wherein electric current I1 is adjusted to I1 ', and electric current I2 is adjusted to I2 ', electric current I3 adjustment
For I3 ', electric current adjusts the variation for meaning road illumination, in the application of non-major trunk roads, illumination change be also it is received, this
Sample discharge charge is then changed to:
Qd '=I1 ' X (t4-t2)+I2 ' X (t5-t4)+I3 ' X (t3-t5)
For example, if the charging charge on daytime is 6.2AH, the initial discharge moment selects same day sunset time 19:00,
It terminates discharging time and is selected as the next morning 05:00, then electric discharge strategy can be I1=1A at night, hold time 3 hours；I2
=0.4A holds time 6 hours；I3=0.8A continues to daybreak, holds time 1 hour；Discharge charge are as follows:
Qd=1A × 3H+0.8A × 1H+0.4A × 6H=6.2AH
If charging charge is changed to 4.96AH due to bad weather on daytime, then I1 is changed to 0.8A, I2 is changed to 0.64A, I3
It is changed to 0.32A, discharge charge is changed to:
Qd '=0.8A × 3H+0.64A × 1H+0.32A × 6H=4.96AH
Fig. 6 is the battery discharging electric current curve synoptic diagram of another preferred embodiment according to the present invention, as shown in fig. 6, logical
It spends change discharge time and realizes discharge charge adjustment, wherein t4 is adjusted to t4 ', and t5 is adjusted to t5 ', and time adjustment means to change
The duration of specific illumination can be adjusted, such discharge charge for that can not change the application of illumination by changing the time
Then it is changed to:
Qd '=I1 × (t4 '-t2)+I2 × (t5 '-t4 ')+I3 × (t3-t5 ')
In the above example, if due to bad weather on daytime, charging charge is changed to 4.96AH, then can keep I1,
I2 and I3 are constant, but I1 holds time and is changed to 1.5 hours, and I2, which holds time, to be changed to 8.35 hours, and I3, which holds time, to be changed to
0.15 hour, discharge charge was then changed to:
Qd '=1A × 1.5H+0.8A × 0.15H+0.4A × 8.35H=4.96AH
Above-described embodiment lists respectively is individually adjusted moment t4, moment t5, and individually to electric current I1, electric current
I2, electric current I3 are adjusted, it is, of course, also possible to realize the tune of discharge charge in combination with changing electric current and changing discharge time
It is whole, it is not listed one by one herein.
In embodiments of the present invention, post sunset, controller can calculate the charging time tc on the same day, charging charge immediately
Qc, average charge the time tc, avg and average charge charge Q c, avg on front N number of daytime, can choose at this time one it is suitable
Adjustable strategies determine the discharge charge at following night, so as to adjust discharge parameter.
A kind of adjustable strategies can make discharge charge Qd and charging time tc on daytime on the same day in direct ratio, or with it is average
Charging time tc, avg are in direct ratio.If the charging time is elongated, for example, then increasing electric discharge to summer transition period in winter
Charge, by the way that discharge current I1, I2 is turned up, perhaps I3 perhaps postpones t4 or in advance t5, realizes that discharge charge increases；Conversely,
Then by reducing discharge current I1, I2, perhaps perhaps t4 or delay t5, realization discharge charge reduce I3 in advance.
A kind of adjustable strategies can make discharge charge Qd close to charging charge Qc on daytime on the same day, or close to average charge
Charge Q c, avg.By adjusting discharge current perhaps discharge time so that Qd close or equal to same day charging charge Qc or referring to
Average charge charge Q c, avg between fixed in the period.
Certainly, night discharge charge can have maximum value or minimum value, and discharge charge can only be in its interval selection, cannot
Less than minimum value or it is greater than maximum value.That is, battery is preset with minimum discharge charge；If calculated discharge charge is less than most
Low discharge charge is then controlled battery and is powered with minimum discharge charge to illuminator lamp；Battery is preset with highest discharge charge；
If calculated discharge charge is greater than highest discharge charge, controls battery and powered with highest discharge charge to illuminator lamp.
If the charging time on daytime is too short perhaps too long or daytime charging charge it is too small or excessive, according to above two
The kind obtained discharge charge of adjustable strategies will become too small or excessive, the tolerance interval beyond practical application, therefore,
It is necessary to set discharge charge minimum value and a maximum value.Even if calculating resulting discharge charge more than the minimum value
Perhaps maximum value controller still can carry out parameter adjustment according to minimum value or maximum value, rationally to be carried out using battery
Electric discharge, prolongs its service life.Wherein, minimum discharge charge and highest the discharge charge position according to locating for solar illuminating system
Geographical environment, illumination requirement and the lighting conditions set are set, and the present invention is with no restrictions.
The embodiment of the invention provides the method and solar illuminating system of a kind of dynamic adjustment battery discharging mode, bases
In the method for battery discharging mode provided in an embodiment of the present invention, can according to charging time on daytime on the day of battery,
Charging charge or the average charge time in period specified time, average charge charge, dynamic adjust the discharge parameter at night.
Preferably, charging time or average charge time on the day of battery being made the discharge charge at night is proportional on the day of, or make
The discharge charge at proper day night be proportional to same day charging charge or it is specified between charging charge in the period.Based on of the invention real
The method for applying example offer, can be according to same day weather or the dynamic adjustment battery night electric discharge of the Changes in weather in a period of time
Time, increasing storage battery service life.
Further, the embodiment of the present invention can also set minimum discharge charge and highest discharge charge, shine solar energy
Bright system reduces while meeting lighting demand and even avoids battery over-discharge, reduces battery cost and solar lighting
The maintenance cost of system.Solar illuminating system provided in an embodiment of the present invention is primarily applicable for outdoor lighting, especially too
Positive energy streetlight.
Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations；To the greatest extent
Present invention has been described in detail with reference to the aforementioned embodiments for pipe, those skilled in the art should understand that: at this
Within the spirit and principle of invention, it is still possible to modify the technical solutions described in the foregoing embodiments or right
Some or all of the technical features are equivalently replaced；And these are modified or replaceed, and do not make corresponding technical solution de-
From protection scope of the present invention.
Claims (12)
1. a kind of method of dynamic adjustment battery discharging mode, is applied to solar illuminating system, the solar lighting system
System includes solar panels, battery, controller and illuminator lamp；The solar panels pass through the irradiation of sunlight, absorb too
Sun charges after capable of and being converted into electric energy to the battery；The described method includes:
The controller detects the average charge charge in the same day charging charge or period specified time of the battery；
Charging charge or the average charge charge in period specified time calculate the battery and exist on the day of based on the battery
The discharge charge at night on the same day；Make battery discharge charge at night on the day of be proportional to it is described on the day of charging charge or flat
Bulk charge charge；
The discharge parameter at night that adjusts the battery on the day of makes the battery with calculated discharge charge to the photograph
It is bright to be powered with lamp to realize system illumination.
2. according to the method described in claim 1, wherein, the controller detects the same day charging charge of the battery or refers to
After the average charge charge fixed time in the period, further includes:
Detect the average charge time in the charging time on the same day or period specified time of the battery；
The battery is calculated based on the average charge time in the charging time on the battery same day or period specified time to exist
The discharge charge at night on the same day, make battery discharge charge at night on the day of be proportional to it is described on the day of the charging time or flat
The bulk charge time.
3. according to the method described in claim 1, wherein, it is described based on the battery on the day of charging charge or week specified time
Average charge charge in phase calculates the battery on the day of after the discharge charge at night, further includes:
The discharge charge at night that makes the battery on the day of with it is described on the day of charging charge or average charge charge it is equal.
4. according to the method described in claim 2, wherein, if set sunrise time as t0, sunset time t1, then the same day fills
The electric time is expressed as: tc=t1-t0；
The average charge time tc in N days period specified time, avg are calculated by the following formula:
Wherein, tc, n represent n-th day charging time.
5. according to the method described in claim 4, wherein, the charging charge Qc on the day of the battery passes through following formula meter
It calculates:
Wherein, ic (t) indicates same day charging current；
The average charge charge Q c in N days period specified time, avg are calculated by the following formula:
Wherein, Qc, n represent n-th day charging charge.
6. according to the method described in claim 1, wherein, the discharge parameter at adjustment battery night on the day of it
Before, it further include presetting the battery to discharge in the following ways: where the initial discharge moment is t2, and termination is put
The electric moment is t3；
The battery is controlled from the t2 moment and the t4 moment is discharged to electric current I1, switch discharges electric current to I2, and with electric current I2
Continuous discharge is to moment t4；
Moment t5 is discharged to electric current I2 from moment t4, is discharged to from moment t5 with electric current I3 and terminates discharging time t3；Its
In, electric current I1, electric current I3 are all larger than electric current I2.
7. according to the method described in claim 6, wherein, being calculated by the following formula night discharge charge Qd:
Qd=I1 × (t4-t2)+I2 × (t5-t4)+I3 × (t3-t5)
The discharge parameter at adjustment battery night on the day of makes the battery with calculated discharge charge to institute
Illuminator lamp power supply is stated to realize system illumination, comprising:
Electric current I1, electric current I2, electric current I3, moment t4 and/or moment t5 are adjusted, makes the battery with calculated discharge charge
Qd powers to the illuminator lamp to realize system illumination.
8. method according to claim 1-7, wherein the battery is preset with minimum discharge charge；If institute
Calculated discharge charge is stated less than the minimum discharge charge, then controls the battery with the minimum discharge charge to institute
State illuminator lamp power supply.
9. method according to claim 1-7, wherein the battery is preset with highest discharge charge；If institute
Calculated discharge charge is stated greater than the highest discharge charge, then controls the battery with the highest discharge charge to institute
State illuminator lamp power supply.
10. a kind of solar illuminating system, comprising:
Solar panels absorb solar energy and charge after being converted into electric energy to battery for the irradiation by sunlight；
Controller charges for controlling the solar panels daytime to battery, and control battery night to
Illuminator lamp electric discharge；
Battery for receiving the electric energy of the solar panels transmission, and carries out charge and discharge according to according to the control of the controller
Electricity；The charge and discharge of the battery have the feature that flat according to the charging charge on daytime on the same day or in period specified time
Bulk charge charge, dynamic adjust the discharge parameter at night；
Illuminator lamp is illuminated for receiving the electric energy that the battery provides.
11. solar illuminating system according to claim 10, wherein
The controller is also used to adjust the discharge parameter of the battery, so that the electric discharge at battery night on the day of
Charge is proportional to same day charging charge or average charge charge.
12. according to claim 11 want very much energy lighting system, wherein
The controller, when the average charge for being also used to detect in the charging time on the same day or period specified time of the battery
Between；
The battery is calculated based on the average charge time in the charging time on the battery same day or period specified time to exist
The discharge charge at night on the same day, make battery discharge charge at night on the day of be proportional to it is described on the day of the charging time or flat
The bulk charge time.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810630957.2A CN108964237A (en) | 2018-06-19 | 2018-06-19 | A kind of method and solar illuminating system of dynamic adjustment battery discharging mode |
| PCT/CN2019/091739 WO2019242614A1 (en) | 2018-06-19 | 2019-06-18 | Method for dynamically adjusting discharge mode of storage battery and solar lighting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810630957.2A CN108964237A (en) | 2018-06-19 | 2018-06-19 | A kind of method and solar illuminating system of dynamic adjustment battery discharging mode |
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| WO (1) | WO2019242614A1 (en) |
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Application publication date: 20181207 |