A kind of portable type solar energy charger baby and charging method
Technical field
The present invention relates to Solar energy charger field, specially a kind of portable type solar energy charger baby and charging method.
Background technique
Charger baby is also " mobile power source ", " external battery ", " backup battery ", " digital charging partner ", " externally hanging battery "
" mobile power source ", this concept are the universal and rapid growths with digital product and grow up that definition is exactly: convenient
Portable portable power supply, increasingly diversified for digital product function, use is more frequent, with being associated with for our daily lifes
Also more and more closely, how to improve digital product using the time, it is convenient for people's lives, power supply is replenished in time, plays it most
The importance of big function is just more very urgent, mobile power source, aiming at and solve the problems, such as this preferred plan, take with oneself
One mobile power source of band, so that it may it is whenever and wherever possible the charging of a variety of digital products, it is many to charge with the development of heliotechnics
Precious product all extends solar energy function;
For example, application No. is the portable charged precious technical solution provided of one kind of CN201510450500.X, including it is outer
Shell, solar panel, PCB circuit board and lithium battery group are at the shell is cylindrical plastic shell, is equipped with below removable
The clip unloaded, the solar panel are set to above shell, and the PCB circuit board is set on the left of interior of shell, the lithium electricity
Pond is set on the right side of interior of shell, to carry out solar energy conversion using solar panel, portable Solar energy charger not only may be used
To store solar energy, charging equipment is supplied, fixed charging equipment, Emergency Light is additionally provided and receives power supply power supply etc. and is practical
Function, but the area of solar panel and receiving plane are influenced by its fixed structure, must there is no the biggish sun to connect
Area is received, the sun light intensity of fixed angle is received, so that the angle change of the sun turns electric energy during electric energy conversion
Change unstable, overall structure is thicker, and portability has certain problems;
In practical applications, existing charger baby the problem of there is also following aspect:
(1) structure of charger baby is relatively fixed, and while emphasizing charger baby globality, solar panel is in charger baby
Mounting means so that the charging time of charger baby is longer, electric power transformation function is weaker, and needing under chamber solar irradiation could be complete
At the charging of lithium battery, the solar panel of fixed structure is unable to complete the tracking of intensity of illumination;
(2) simultaneously during charging, the output voltage of solar panel is in dynamic change state for a long time, no
Convenient for the charging of lithium battery, it is also easily reduced the service life of lithium battery, and needs for lithium battery to be charged to certain electricity,
It is able to achieve the electric power output of load.
Summary of the invention
In order to overcome the shortcomings of prior art, the present invention provides a kind of portable type solar energy charger baby and charging side
Method can effectively solve the problem of background technique proposes.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of portable type solar energy charger baby, it is described including angle pedestal and the panel box being mounted on angle pedestal
Angle pedestal and panel box junction bosom are provided with ray tracing device, and the panel box includes main battery plate, described
The two sides of main battery plate is provided with uncovered box body, and the side of two uncovered box bodys is provided with turn-over plate, the turn-over plate
Top and bottom be provided with infolding guide groove, solar energy folded sheet is connected on the inside of the turn-over plate, relative to turn-over plate
The side of uncovered box body is provided with locking buckle, and half-open sliding groove, the half-open sliding groove are provided at the top of the uncovered box body
In interface block is installed.
Further, the angle pedestal includes secondary cell box, and the secondary cell box is installed angled by angle device
Seat, the two sides bottom of the corner seat is provided with arc panel, and the arc panel protrudes into inside secondary cell box, and the light chases after
Track device is arranged in the top center of corner seat, and the same side of the secondary cell box and corner seat is symmetrical arranged that there are two vertical
Slot is provided with support foot rest in the vertical slot, and the top of two support foot rests is hinged on corner by same mandrel
On seat, the both ends of the mandrel pass through spur gear and are engaged on the angle device of opposite side.
Further, the ray tracing device includes micro motor, and the output shaft of the micro motor is connected with planet
It takes turns, shaft is provided on the two sidewalls of the planetary gear, and one end of the shaft is protruded into inside panel box, on the planetary gear
Half flexural pivot is provided with, in the half flexural pivot embedded surface plate box bottom interior wall.
Further, the solar energy folded sheet includes several sequentially connected nylon cloth frames, in the nylon cloth frame
Between be provided with solar panel, equidistant array has heat conduction aluminum between the back side and nylon cloth frame of the solar panel
Item is provided with thin slice hinge between the adjacent nylon cloth frame, and the thermally conductive aluminum strip is connected on thin slice hinge, described thin
The top and bottom surface of piece hinge is provided with dog-ear slot.
A kind of charging method of portable type solar energy charger baby, it is characterised in that: 6 road ADC channels are distinguished in master controller
Voltage, output electric current, battery pack A voltage, battery pack B voltage and load current, the master controller for measuring solar panel are every
10ms acquires primary voltage current data, and data is stored to EEPROM memory module, and using BOOST circuit to solar energy
Solar panel generate electric power carry out pressure stabilizing conversion, master controller by electric signal instruction call charge control algorithm chip, to turn
Electric current after change carries out the charging of battery pack A and battery pack B, synchronizes precharge 10min to battery pack A and battery pack B, after
The charging circuit of battery pack B is closed, charge control algorithm chip circuit carries out constant-current charging phase and constant-voltage charge to battery pack A
Stage charging, when battery pack A enters constant voltage charging phase, main controller opens the charging circuit of battery pack B, opens simultaneously battery pack
Connection circuit between B and battery pack A.
Further, charge control algorithm chip passes through the MAX5401 inside device when solar panel is worked
Digital linear potentiometer setting value obtains solar battery output voltage VpvInitial value, carry out battery pack A and battery pack B
Charging initialization, master controller further includes initial current variable quantity I to the sampling parameter of solar paneldle, EEPROM module
Middle extraction solar panel output voltage history minimum value VlowWith output voltage history maximum value VhighAnd MAX5401 number
The shock wave direction dir and number R of the oscillating circuit of word linear potentiometer connectionevC。
Further, if Idle=1, then determine that solar panel is in stable state, MAX5401 digital linear electricity
Position device adjusts voltage VSEqual to initial setting up minimum voltage Vmin, and the initial setting up minimum voltage VminSlightly larger than it is known too
Positive energy cell voltage history minimum value VlowIf Idle=0, then the peak power output in solar panel tracks rank
Section, at this time VS=Vmax, and the initial setting up maximum voltage VmaxIt is slightly less than the history maximum value V of solar array voltagehigh,
Main controller calls dichotomy algorithm later, calculates VlowAnd VhighMiddle median Vmid, when the voltage range being adjusted, setting one
The maximum voltage V of secondary MAX5401 digital linear potentiometermax=Vmin+Vmid, master controller sampling solar array voltage VpvWith
Solar battery electric current Ipv, the output power of current solar panel is calculated, if current power is greater than last time power Pmax[i]
Then the variable R of record perturbation directionevC zero setting, if current power is less than Pmax[i], then change perturbation direction, add 1, then calculate
The solar array voltage V of method judgement at this timepvWhether solar battery simulator is being utilized, is working as RevThe value of C variable is incremented to one
Determine number, system enters stable state, and circulation executes, and keeps track solar battery maximum power point Pmax[i]。
Further, light sensor is also electrically connected on master controller, and in MAX5401 digital linear potentiometer
The current threshold I (o) directly to power is set, when the light intensity of light intensity sensor acquisition corresponds to the defeated of solar panel generation
When electric current I (s) is greater than current threshold I (o) out, BOOST circuit is directly by load supplying, when output electric current I (s) is less than current threshold
When value I (o), master controller is less than current threshold I (o) to output electric current I (s) by clock circuit and carries out timing, when timing
Between in 5min, by battery pack A carry out load supplying, when timing time be greater than 5min, then stop battery pack A power supply, simultaneously
Close load switch.
Further, the voltage sampling circuit of the solar panel in the ADC channel of 6 road is to lead to ratio enlargement electricity
Road, output are connected to the AD pin of master controller, the sampling resistor of voltage sampling circuit by two 10 milliohm precision resisters simultaneously
It is unified into 5 milliohm resistance.
Compared with prior art, the beneficial effects of the present invention are:
(1) charger baby of the invention is made of angle pedestal and panel box, so that the generally slab structure of charger baby, just
It in packaging and carries, compact overall structure, while expanding the receiving area and receiving angle of solar energy folded sheet, provide manually
Angular adjustment, the light Proactive traceback in angle is defined by ray tracing device, avoids traditional solar battery
The fixed reception face of plate, increases the duration of stable conversion electric current in solar energy conversion process;
(2) battery pack A is arranged in the present invention in main battery plate, and battery pack B is arranged in secondary cell box, and pass through battery
Group A and battery pack B is applied in combination, and the electric current that solar panel is generated is optimized simultaneously by efficient conversion storage
Load charging algorithm when sun light intensity and weak sunlight improves battery pack A and battery pack so that electric current output is more stable
Battery, and then protect the battery connected in load.
Detailed description of the invention
Fig. 1 is overall structure diagram of the invention;
Fig. 2 is corner holder structure schematic diagram of the invention;
Fig. 3 is angle device mounting plates structure schematic diagram of the invention;
Figure label:
1- angle pedestal;2- panel box;3- ray tracing device;4- solar energy folded sheet;The half-open sliding groove of 5-;6- interface
Seat;7- angle device;
101- secondary cell box;102- corner seat;103- arc panel;104- vertical slot;105- support foot rest;106- mandrel;
107- spur gear;
201- main battery plate;202- uncovered box body;203- turn-over plate;204- infolding guide groove;205- locking buckle;
301- micro motor;302- planetary gear;303- shaft;Half flexural pivot of 304-;
401- nylon cloth frame;402- solar panel;The thermally conductive aluminum strip of 403-;404- thin slice hinge;405- dog-ear slot.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Embodiment 1:
As shown in Figure 1, Figure 2 and Figure 3, the present invention provides a kind of portable type solar energy charger baby, including angle pedestal 1 with
And it is mounted on the panel box 2 on angle pedestal 1, the angle pedestal 1 and 2 junction bosom of panel box are provided with light and chase after
Track device 3, the panel box 2 include main battery plate 201, and the two sides of the main battery plate 201 is provided with uncovered box body 202,
The side of two uncovered box bodys 202 is provided with turn-over plate 203, and the top and bottom of the turn-over plate 203 are provided with interior
Guide groove 204 is rolled over, is connected with solar energy folded sheet 4 on the inside of the turn-over plate 203, the uncovered box body 202 relative to turn-over plate 203
Side is provided with locking buckle 205, and the top of the uncovered box body 202 is provided with half-open sliding groove 5, in the half-open sliding groove 5
Interface block 6 is installed;
Change the bending angle of angle pedestal 1 in the present invention by external force, panel box can be arranged by angle pedestal 1 in advance
2 and the sun contact angle, while in overall structure, solar energy folded sheet 4 is used as solar electric power conversion component, passes through folding
Folded mode is placed in the uncovered box body 202 of panel box 2, small, while the main battery plate 201 so that overall structure takes up space
Two surfaces be respectively provided with solar energy folded sheet 4 so that solar energy electric energy conversion area it is bigger;
Turn-over plate 203 and solar energy folded sheet 4 in the present invention fit together, and turn-over plate 203 passes through common band
There is the hinge connection of damping characteristic on uncovered box body 202, so that solar energy folded sheet 4 is able to maintain centainly in pivoting
Angle, the infolding guide groove 204 that the section being arranged at the top and bottom of turn-over plate 203 is in U-shape provides 4 folded edge of solar energy folded sheet
Two tops storage.
Angle pedestal 1 in the present invention includes secondary cell box 101, is provided with battery in the secondary cell box 101 in the present invention
B is organized, battery pack A is provided in main battery plate 201, and be arranged by double groups of batteries of main battery plate 201 and secondary cell box 101,
Functional transformations of the two in charging are realized, by the battery pack B in secondary cell box 101 to the battery in main battery plate 201
Mutual conversion both when group A progress equalizaing charge control and load supplying.
Secondary cell box 101 in the present invention installs angled seat 102, the two sides of the corner seat 102 by angle device 7
Face bottom is provided with arc panel 103, and the arc panel 103 protrudes into inside secondary cell box 101, and the ray tracing device 3 is set
It sets in the top center of corner seat 102;
Further, the same side of secondary cell box 101 and corner seat 102 is symmetrical arranged there are two vertical slot 104, described
Support foot rest 105 is provided in vertical slot 104, and the top of two support foot rests 105 is hinged on by same mandrel 106
On corner seat 102, the both ends of the mandrel 106 pass through spur gear 107 and are engaged on the angle device 8 of opposite side.
The connection rotation between corner seat 102 and secondary cell box 101 is realized by angle device 7 in the present invention, in corner
When seat 102 and secondary cell box 101 carry out angular turn, the rotation of angle device 7 will pass through the engaged transmission of spur gear 107 to core
Axis 106, the angle device 7 includes two bevel gears that complement one another, and two bevel gear difference axis connections are in corner seat
102 and secondary cell box 101 on, the side surface of one of them bevel gear being mounted on corner seat 102 is again provided with tooth thread,
And the rotating ratio for engaging spur gear 107, and being arranged between bevel gear and spur gear 107 is 1:3, and when angle device 7 rotates, position
In the torque on corner seat 102 by by spur gear 107 it is year-on-year drive to mandrel 106, the rotate driving vertical slot of mandrel 106
The rotation of support foot rest 105 in 104, and due between bevel gear and spur gear 107 there are gear is poor, the angle of rotation of bevel gear
Degree is amplified, and the rotational angle of support foot rest 105 will be greater than the rotational angle of corner seat 102, and support foot rest 105 is mentioned
For biggish support point to power, to improve the charger baby when ray tracing device 3 rotates after the center of gravity at 102 top of corner seat
Whole stability, it is not easy to turn on one's side.
Ray tracing device 3 in the present invention includes micro motor 301, and the output shaft of the micro motor 301 is connected with
Planetary gear 302 is provided with shaft 303 on the two sidewalls of the planetary gear 302, and panel box 2 is protruded into one end of the shaft 303
Inside is provided with half flexural pivot 304 on the planetary gear 302, and half flexural pivot 304 is embedded in 2 bottom interior wall of panel box, wherein going
The essence of star-wheel 302 is equivalent to retarder, and passes through the underdrive of planetary gear 302, so that the outer ring rotating of planetary gear and face
Plate box 2 is synchronous, and the top of planetary gear 302 and panel box 2 are connected by half flexural pivot 304, and panel box 2 is had more
The space manually adjusted can make panel box 2 under the premise of rotational angle, mention between corner seat 102 and secondary cell and 101
For the angular adjustment of plane as far as possible, guarantee the sun receiving angle of solar energy folded sheet 4 on panel and 2.
Further, the solar energy folded sheet 4 in the present invention includes several sequentially connected nylon cloth frames 401, described
Be provided with solar panel 402 among nylon cloth frame 401, the back side of the solar panel 402 and nylon cloth frame 401 it
Between equidistant array have thermally conductive aluminum strip 403, be provided with thin slice hinge 404 between the adjacent nylon cloth frame 401, and described lead
Hot aluminum strip 403 is connected on thin slice hinge 404, and the top and bottom surface of the thin slice hinge 404 is provided with dog-ear slot 405;
Increase the thermal diffusivity of solar panel 402, and each heat conduction aluminum by nylon cloth frame 401 and thermally conductive aluminum strip 403
The thickness of item is connected on thin slice hinge 404 between 0.3mm~0.4mm, increases heat conduction and heat radiation.
Embodiment 2:
A kind of charging method of portable type solar energy charger baby, 6 road ADC channels measure solar-electricity respectively in master controller
Voltage, output electric current, battery pack A voltage, battery pack B voltage and the load current of pond plate, the every 10ms acquisition of master controller are primary
Voltage and current data, and data are stored to EEPROM memory module, and solar panel is generated using BOOST circuit
Electric power carry out pressure stabilizing conversion, master controller by electric signal instruction calling charge control algorithm chip, to the electric current after conversion into
The charging of row battery pack A and battery pack B synchronize precharge 10min to battery pack A and battery pack B, rear to close battery pack B
Charging circuit, charge control algorithm chip circuit carries out constant-current charging phase and constant voltage charging phase to battery pack A and charges, electricity
When pond group A enters constant voltage charging phase, main controller opens the charging circuit of battery pack B, opens simultaneously battery pack B and battery pack A
Between connection circuit.
Wherein the switching circuit between battery pack A and battery pack B uses IRFB4115MOS to manage so that battery pack A and
The reaction speed when circuit of both battery pack B is switched again is fast, and driving structure is small and simple, so that electric discharge is rapid.
Charge control algorithm chip passes through the MAX5401 digital linear inside device when solar panel is worked
Potentiometer setting value obtains solar battery output voltage VpvInitial value, carry out battery pack A and battery pack B charging it is initial
Change, master controller further includes initial current variable quantity I to the sampling parameter of solar paneldle, extract too in EEPROM module
Positive energy cell panel output voltage history minimum value VlowWith output voltage history maximum value VhighAnd MAX5401 digital linear electricity
The shock wave direction dir and number R of the oscillating circuit of position device connectionevC。
If Idle=1, then determine that solar panel is in stable state, MAX5401 digital linear potentiometer adjustment electricity
Press VSEqual to initial setting up minimum voltage Vmin, and the initial setting up minimum voltage VminSlightly larger than known solar battery electricity
Press history minimum value VlowIf Idle=0, then it is in the peak power output track phase of solar panel, at this time VS=
Vmax, and the initial setting up maximum voltage VmaxIt is slightly less than the history maximum value V of solar array voltagehigh, main controller later
Dichotomy algorithm is called, V is calculatedlowAnd VhighMiddle median Vmid, when the voltage range being adjusted, set a MAX5401
The maximum voltage V of digital linear potentiometermax=Vmin+Vmid, master controller sampling solar array voltage VpvAnd solar battery
Electric current Ipv, the output power of current solar panel is calculated, if current power is greater than last time power Pmax[i]Then record is disturbed
The variable R in dynamic directionevC zero setting, if current power is less than Pmax[i], then change perturbation direction, add 1, then algorithm judges at this time
Solar array voltage VpvWhether solar battery simulator is being utilized, is working as RevThe value of C variable is incremented to certain number, is
System enters stable state, and circulation executes, and keeps track solar battery maximum power point Pmax[i]。
It is also electrically connected with light sensor on master controller, and is arranged directly in MAX5401 digital linear potentiometer
The current threshold I (o) of power supply, when the light intensity of light intensity sensor acquisition corresponds to the output electric current I of solar panel generation
(s) when being greater than current threshold I (o), BOOST circuit is directly by load supplying, when output electric current I (s) is less than current threshold I (o)
When, master controller is less than current threshold I (o) to output electric current I (s) by clock circuit and carries out timing, when timing time exists
In 5min, by battery pack A carry out load supplying, when timing time be greater than 5min, then stop battery pack A power supply, simultaneously close off
Load switch;
BOOST circuit enables to load input continuous current, relatively small to the electromagnetic interference of power supply, to not influence
The R of oscillating circuitevC is counted, Simultaneous Switching crystal emitter ground connection, so that BOOST driving circuit is relatively simple.
Further, the voltage sampling circuit of the solar panel in the ADC channel of 6 road is to lead to ratio enlargement electricity
Road, output are connected to the AD pin of master controller, the sampling resistor of voltage sampling circuit by two 10 milliohm precision resisters simultaneously
5 milliohm resistance are unified into, sample circuit exports the AD pin for being connected to single-chip microcontroller.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.Any reference signs in the claims should not be construed as limiting the involved claims.