The composite solar battery charger of displaying power supplying efficiency in real time
Technical field
The utility model relates to a kind of solar battery group that crystal silicon solar energy battery is become with non-crystalline silicon solar cell complex group, particularly a kind of composite solar battery electric supply installation that solar cell for supplying power efficient can be shown in real time the user.
Background technology
Solar energy is a kind of cleaning, inexhaustible regenerative resource, also can not pollute environment, and wideling popularize and utilize solar energy power technology and product is a kind of long-range, economic environmental protection investments.
Along with becoming increasingly active to solar energy utilization research,, conversion of solar energy is extensive use of solar cell for being become electric energy, but the power of solar cell changes with sunlight intensity that incides solar cell and peripheral temperature, simultaneously also with crystalline silicon (comprising monocrystalline silicon and polysilicon) solar cell and non-crystal silicon solar cell and different.
According to the crystal silicon solar energy battery spectral response characteristic, its peak in the spectral response is near 860nm, and near infrared spectral range and higher near the ability that in the infrared limit of visible spectrum with transform light energy is electric energy, conversion efficiency is about 13-15%.
According to non-crystal silicon solar cell spectral response characteristic curve, its peak in the spectral response is near 530nm, and transfer capability is lower near infrared, but under environment such as cloudy day its opto-electronic conversion ability far above crystal silicon solar energy battery.
Therefore, the characteristic of crystal silicon solar energy battery and non-crystal silicon solar cell has determined suitable environment separately, but in use, the general user can't judge that this combined solar energy battery pack is under various environment, should be with crystal silicon solar energy battery or non-crystal silicon solar cell towards light source, obtaining the highest power supplying efficiency, thus can cause owing to placement direction not science make the not high problem of power supplying efficiency of solar cell.
Summary of the invention
The purpose of this utility model is to provide a kind of composite solar battery charger of displaying power supplying efficiency in real time, and technical problem to be solved is to make it can reflect composite solar battery group power output in real time.
The utility model provides a kind of composite solar battery charger of displaying power supplying efficiency in real time, comprise the composite solar battery group, form by crystal silicon solar energy battery that is arranged in parallel and non-crystal silicon solar cell, and this crystal silicon solar energy battery and non-crystal silicon solar cell are provided with anti-reverse charge road, it also comprises: voltage boosting and stabilizing circuit is adjusted into stable high voltage output with the output of composite solar battery group; Output is connected with voltage boosting and stabilizing circuit, exports stable high voltage to external equipment; Power detecting unit, the output voltage and the output current of response composite solar battery group also produces the power detection signal that reflects composite solar battery group power output; Control unit is provided with the reference power detection signal of reflection reference power, generates the control signal of the power supplying efficiency that reflects current composite solar battery group according to the power detection signal and the reference power detection signal of power detecting unit output; Indicating member is controlled by the control signal that control unit generates, and reflects the power supplying efficiency of current composite solar battery group.
The composite solar battery charger of aforesaid displaying power supplying efficiency in real time, wherein said control unit is provided with comparator and reflects a plurality of reference power detection signals of different reference powers respectively, power detection signal and a plurality of reference power detection signal that described power detecting unit is generated compare, and generate the control signal in power output interval of living in a plurality of reference powers of the current solar battery array of reflection according to comparative result; Described indicating member reflects current solar battery array power output residing interval in a plurality of reference powers.
The composite solar battery charger of aforesaid displaying power supplying efficiency in real time, wherein said indicating member is a plurality of indicator lights identical with reference power quantity, and opens the indicator light of respective numbers when the power output of current solar battery array is higher than one or more reference power.
The composite solar battery charger of aforesaid displaying power supplying efficiency in real time, wherein said output is connected with rechargeable battery.
The composite solar battery charger of aforesaid displaying power supplying efficiency in real time, wherein said power detecting unit comprises: detect the output voltage of described composite solar battery group and produce the current detection section of voltage detection signal; Detect the output current of described composite solar battery group and produce the current detecting part of current detection signal; And described voltage detection signal and current detection signal multiplied each other and produce the multiplier of described power detection signal.
The composite solar battery charger of aforesaid displaying power supplying efficiency in real time, wherein said control unit be with the variation in present output power interval of living in a plurality of reference powers of composite solar battery group, and control indicating member in real time.
The composite solar battery charger of aforesaid displaying power supplying efficiency in real time, wherein said crystal silicon solar energy battery and non-crystal silicon solar cell are separately positioned on the opposing both sides of shell.
The composite solar battery charger of aforesaid displaying power supplying efficiency in real time, wherein said shell is respectively equipped with indicating member on the opposing both sides, and the control signal control that generates by control unit of this indicating member.
In sum, the advantage of the composite solar battery charger of displaying power supplying efficiency in real time of the present utility model is:
The power control indicating member that crystal silicon solar energy battery that the composite solar battery charger basis of the utility model displaying power supplying efficiency in real time is arranged in parallel and non-crystal silicon solar cell are exported shows solar cell for supplying power efficient, promptly reflect composite solar battery group current output power residing interval in a plurality of reference powers, thereby make the user can understand the power supplying efficiency of composite solar battery group when current location, the user can judge whether thus to adjust crystal silicon solar energy battery or non-crystal silicon solar cell towards, this real-time feedback can make user in time the placement angle or the position of adjustment portable unit of the present utility model, so that it is placed in solar cell for supplying power efficient higher position or angle.
Description of drawings
Fig. 1 is the structural representation of the composite solar battery charger of the utility model displaying power supplying efficiency in real time.
Fig. 2 is for being arranged on crystal silicon solar energy battery and non-crystalline silicon solar cell in the schematic diagram on box body two sides.
Fig. 3 is the circuit connection diagram of crystal silicon solar energy battery and non-crystalline silicon solar cell.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described in detail:
Seeing also shown in Figure 1ly, is the structural representation of the composite solar battery charger of the utility model displaying power supplying efficiency in real time, and this portable unit comprises:
The composite solar battery group is made up of crystal silicon solar energy battery that is arranged in parallel and non-crystal silicon solar cell, and this crystal silicon solar energy battery and non-crystal silicon solar cell are provided with anti-reverse charge road;
Voltage boosting and stabilizing circuit is adjusted into stable high voltage output with the output of composite solar battery group;
Output is connected with voltage boosting and stabilizing circuit, exports stable high voltage to external equipment;
Power detecting unit, the output voltage and the output current of response composite solar battery group also produces the power detection signal that reflects composite solar battery group power output;
Control unit is provided with the reference power detection signal of reflection reference power, generates the control signal of the power supplying efficiency that reflects current composite solar battery group according to the power detection signal and the reference power detection signal of power detecting unit output;
Indicating member is controlled by the control signal that control unit generates, and reflects the power supplying efficiency of current composite solar battery group.
Above-mentioned control unit is provided with comparator and reflects a plurality of reference power detection signals of different reference powers respectively, power detection signal and a plurality of reference power detection signal that described power detecting unit is generated compare, and generate the control signal in power output interval of living in a plurality of reference powers of the current composite solar battery group of reflection according to comparative result; Described indicating member reflects current composite solar battery group power output residing interval in a plurality of reference powers.
Above-mentioned indicating member is a plurality of indicator lights identical with reference power quantity, and opens the indicator light of respective numbers when the power output of current composite solar battery group is higher than one or more reference power.Above-mentioned in addition indicating member also can be used to show the display screen of above-mentioned power output and reference power comparative result.
Above-mentioned output is connected with rechargeable battery, and indicating member is connected with rechargeable battery.In addition, indicating member also can be directly with boost and voltage stabilizing circuit is connected, utilize solar array to obtain power supply.
Above-mentioned power detecting unit comprises: detect the output voltage of described composite solar battery group and produce the current detection section of voltage detection signal; Detect the output current of described composite solar battery group and produce the current detecting part of current detection signal; And described voltage detection signal and current detection signal multiplied each other and produce the multiplier of described power detection signal.
Above-mentioned control unit is compared power output and a plurality of reference power detection signal of current composite solar battery group, utilize a plurality of reference powers at the same time or separately with the relatively judgement present output power of power output level of living in, thereby can show the efficient of the power output of current composite solar battery group by indicating member.Interval of living in is when changing in a plurality of reference powers for the present output power of composite solar battery group, and control unit regenerates new control signal, makes indicating member can reflect that according to this control signal power output changes residing interval, back.
See also shown in Figure 2ly, the crystal silicon solar energy battery 1 of above-mentioned composite solar battery group and non-crystal silicon solar cell 2 are separately positioned on the opposing both sides of shell.In addition, shell is respectively equipped with indicating member 3 on the opposing both sides, and the control signal control that this indicating member generates by control unit is respectively equipped with the indicating member 3 that can indicate power supplying efficiency thereby shell is provided with on two planes of crystal silicon solar energy battery 1 and non-crystal silicon solar cell 2.
See also shown in Figure 3ly, the crystal silicon solar energy battery 1 and the non-crystal silicon solar cell 2 of above-mentioned composite solar battery group are arranged in parallel, and are provided with the anti-anti-discharge diode of adverse current at the positive pole of crystal silicon solar energy battery 1 and non-crystal silicon solar cell 2.