CN203984045U - A kind of solar charger - Google Patents
A kind of solar charger Download PDFInfo
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- CN203984045U CN203984045U CN201420379796.1U CN201420379796U CN203984045U CN 203984045 U CN203984045 U CN 203984045U CN 201420379796 U CN201420379796 U CN 201420379796U CN 203984045 U CN203984045 U CN 203984045U
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Abstract
The utility model discloses a kind of solar charger, comprise charger body, in described charger body, be provided with PV assembly, in described charger body, be provided with DC/DC conversion module, in described charger body, be also provided with switch and select module and the first USB interface; Described solar charger also comprises at least one battery, secondary USB interface, the charging circuit for charging to described battery, the booster circuit for the boost in voltage of battery output is powered to power consumption equipment to 5V.The solar charger that the utility model provides, the main electric power of Power supply user smart mobile phone normal electricity consumption every day of collecting sunlight that relies on is required, reduce or substantially do not need to use the mobile phone that civil power is user to charge, in the time that solar energy is not enough, select module to switch to by switch commercial power charged, saved the energy.And in charger body, more than two batteries can be set, extend the power-on time of solar charger to USB power consumption equipment.
Description
Technical field
The utility model relates to solar recharging equipment, particularly a kind of solar charger.
Background technology
On market, can realize before this many categorical conceptions of the solar product product to electric terminal chargings such as mobile phones, insufficient to the grasp of core algorithm technology, there is suitable blindness to copy composition.In addition low price price in market is impacted the impact on cost, the solar cell module area of design is generally not enough, and the solar module conversion efficiency that some product is selected is low, the real output of solar cell is quite little, the situation of common appearance is, if rely on the energy charging of sunlight completely, the energy-storage battery charge condition wretched insufficiency in solar charger charge prepd.
Even if we are placed in solar charger product common on market under very strong sunlight, need continuous one week and even reach time several weeks still the energy-storage battery in solar charger to be full of completely, the working condition of energy-storage battery is comparatively severe, product practicality deficiency.If there is overcast and rainy continuously situation, solar cell more cannot be full of, and cannot realize the function of its charging.Even some designs because the quiescent dissipation of circuit self is larger, and its charged situation of the energy-storage battery in product is more bad, finally makes the solar cell on these products substantially become ornaments.
Thereby prior art need to improve.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the purpose of this utility model is to provide a kind of solar charger, under reasonable disposition, can realize the solar energy being received by solar charger and supply with the electric power deposit of separate unit power consumption equipment normal electricity consumption (as mobile phone) every day, reduce or substantially do not need to use the power consumption equipment that civil power is user to charge.Meanwhile, also can in the time that sunlight is inadequate, utilize commercial power charged.
In order to achieve the above object, the utility model has been taked following technical scheme:
A kind of solar charger, comprises charger body, is provided with PV assembly in described charger body, is provided with DC/DC conversion module in described charger body, is also provided with switch and selects module and the first USB interface in described charger body;
Described solar charger also comprises at least one battery, secondary USB interface, the charging circuit for charging to described battery, the booster circuit for the boost in voltage of battery output is powered to power consumption equipment to 5V;
The output of described PV assembly connects the first end of described switch selection module by DC/DC conversion module, described switch selects the second end of module to connect the first USB interface, described switch selects the 3rd end of module to connect the positive pole of battery by described charging circuit, and the positive pole of described battery also connects secondary USB interface by described booster circuit.
In described solar charger, at least one is set for the battery compartment of described battery is installed in the bottom of charger body.
In described solar charger, described DC/DC conversion module comprises LM2596 chip, the first electric capacity, the second electric capacity, the first inductance and the first diode, the Vin end of described LM2596 chip connects the output of described PV assembly, also by the first capacity earth, the Vout end of described LM2596 chip connects one end of described the first inductance and the negative pole of the first diode, and the other end of described the first inductance connects described switch and selects the first end of module and the FB of LM2596 chip to hold, also pass through the second capacity earth; The positive pole of described the first diode, the ON/OFF of LM2596 chip end and GND hold equal ground connection.
In described solar charger, it is the first single-pole double-throw switch (SPDT) that described switch is selected module, the first stiff end of described the first single-pole double-throw switch (SPDT) connects the other end of described the first inductance, the second stiff end of described the first single-pole double-throw switch (SPDT) connects the VBUS end of described the first USB interface, and the selecting side of described the first single-pole double-throw switch (SPDT) connects charging circuit.
In described solar charger, described charging circuit comprises: charging management chip, the first resistance, the second resistance and the 3rd electric capacity, the Prog end of described charging management chip is by described the first grounding through resistance, the CHGb end of charging management chip connects VCC feeder ear by described the second resistance, the VCC end of described charging management chip connects described VCC feeder ear, also by the 3rd capacity earth, the VBAT end of described charging management chip connects the positive pole of battery, the GND end ground connection of charging management chip.
In described solar charger, described booster circuit comprises: the chip that boosts, the second inductance, the second diode, the 4th electric capacity, the 5th electric capacity and the 6th electric capacity, the Lx end of the described chip that boosts connects one end of described the second inductance and the positive pole of the second diode, and the other end of described the second inductance connects the positive pole of battery, also by the 4th capacity earth; The negative pole of described the second diode connects the OUT end of the chip that boosts, described in boost the OUT end of chip connect the VBUS end of secondary USB interface, also by the 4th capacity earth, also by the 5th capacity earth, described in the boost VSS end ground connection of chip.
In described solar charger, described battery is two, is respectively the first battery and the second battery.
In described solar charger, between described PV assembly and DC/DC conversion module, be incorporated to one group of super capacitor.
In described solar charger, described PV assembly, is arranged on the end face of described charger body, is provided for regulating the governor motion of end face angle on described end face.
Described solar charger, also comprises optional PV assembly for subsequent use, and described PV assembly for subsequent use is connected with described DC/DC conversion module.
Compared to prior art, the solar charger that the utility model provides, the main electric power of Power supply user smart mobile phone normal electricity consumption every day of collecting sunlight that relies on is required, reduce or substantially do not need to use the mobile phone that civil power is user to charge, in the time that solar energy is not enough, select module to switch to by switch commercial power charged, saved the energy.And in charger body, more than two batteries can be set, extend the power-on time of solar charger to USB power consumption equipment.
Brief description of the drawings
The structural representation of the solar charger that Fig. 1 provides for the utility model.
The structured flowchart of the solar charger that Fig. 2 provides for the utility model.
The circuit theory diagrams of the solar charger that Fig. 3 provides for the utility model.
Embodiment
The utility model provides a kind of solar charger, this solar charger can be designed to the profile of cabin, can be placed in the south orientation windowsill limit of family or office etc., the built-in lithium battery charging that the solar radiation energy that utilizes reception, conversion and storage is smart mobile phone provides the energy, can meet the required electric weight of mobile phone typical normally use every day.
The utility model solar charger is modularized design, can do the optimization of configuration increase and decrease comparatively flexibly for the concrete different situations of solar radiation resource and the demand of user power utilization amount, also can increase voluntarily and choose module and install voluntarily easily by user, to realize higher practicality, there is good cost control simultaneously.
For making the purpose of this utility model, technical scheme and effect clearer, clear and definite, referring to the accompanying drawing embodiment that develops simultaneously, the utility model is further described.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
The solar charger that the utility model provides, except can be common on the market smart mobile phone charging, also can provide normal power supply to other electric terminals such as the mp3 of USB charging inlet, mp4, e-book, USB fan, bluetooth earphone, portable power sources.As shown in Figure 1 and Figure 2, solar charger of the present utility model comprises charger body 10, described charger body 10 is set to the shape of cabin, in described charger body 10, be provided with PV assembly 101, switch selection module 103 and the first usb 1 04, in described charger body 10, be provided with DC/DC conversion module 102.
Wherein, described solar charger also comprises at least one battery, secondary USB interface 105, the charging circuit 106 for charging to described battery, the booster circuit 107 for the boost in voltage of battery output is powered to power consumption equipment (as smart mobile phone, panel computer etc.) to 5V.
The output of described PV assembly 101 connects the first end of described switch selection module 103 by DC/DC conversion module 102, described switch selects the second end of module 103 to connect the first usb 1 04, described switch selects the 3rd end of module 103 to connect the positive pole of battery by described charging circuit 106, and the positive pole of described battery also connects secondary USB interface 105 by described booster circuit 107.
In solar charger of the present utility model, receive the optical radiation energy in sunlight and be converted into electric energy by PV assembly 101, because the radiant power of sunlight has certain Changing Pattern in time, the solar radiation that PV assembly receives simultaneously may be subject to cloud layer, the impact of shade etc., make the power output of solar cell, output current and output voltage all can have larger fluctuation thereupon, therefore the power conversion of to a certain extent PV assembly 101 being exported by DC/DC conversion module 102 is comparatively stable voltage, select module 103 and charging circuit 106 to charge the battery through switch afterwards, by power storage in battery.In the time that user accesses the terminals such as smart mobile phone in secondary USB interface 105, booster circuit 107 starts (certainly also can be designed to started or touched startup by manual button) automatically, the voltage (representative value is 3.7V) of battery output is boosted to after the USB voltage (being generally 5V) of standard, to smart mobile phone power supply, and charge to the battery in smart mobile phone.
In the present embodiment, taking the high conversion efficiency of PV assembly 101 as basis, be placed on the windowsill of indoor south orientation and receive as far as possible the optimal position of maximum direct sunlights and go analysis by the smart mobile phone of the representative cells capacity cabin that needs once charge completely, charge every day, solar radiation resource is analyzed taking national mean value as Main Basis, the representative value of PV assembly 101 areas should not be less than 0.05 square metre in the ordinary course of things, A4 paper long-pending more than 80%.When sunlight better and when reasonable in design, the putting position of PV assembly 101 is desirable, this solar charger can be realized comparatively desirable constant charge process to battery.In order to improve the power output of PV assembly 101, described PV assembly 101 is arranged on the end face of described charger body 10, is provided for regulating the governor motion of end face angle on described end face.Can provide larger real output by the angle that regulates PV assembly 101, in the time that sunlight is relatively not abundant, still likely maintain the charged state of fast and stable.
The overall solar radiation resource in each region is all comparatively desirable in China's territory territory, but the difference of different geographical is still larger.Even in same place, different window puts from the depth on window limit, special shade situation etc. and all can quite significantly affect the actual output power generation of PV assembly 101 towards, floor height and floor interval, this solar charger.And the primary energy that PV assembly 101 is the good runnings of whole system ensures, therefore to be configured within the scope of appropriate design be very crucial to PV assembly 101, the in the situation that of needs, the sum of PV assembly 101 increases, therefore solar charger of the present utility model also can comprise PV assembly for subsequent use, described PV assembly for subsequent use is connected with described DC/DC conversion module, and this PV assembly for subsequent use can be realized in parallel by counnter attack diode with PV assembly.
In the time that reality is used, the utility model can PV assembly 101 of standard configuration, other PV assembly for subsequent use can and expand and install by user oneself buying, only need in charger body 10, reserve corresponding interface and installation site, thereby can reduce the purchase cost of this solar charger.
Equally taking cabin as example, described governor motion is rotation axis 12, PV assembly 101 is arranged on roof, can make the PV assembly 101 of both sides, roof rotate the angle (regulating the inclination angle on roof) that regulates PV assembly 101 by rotation axis 12, makes PV assembly 101 receive sunlight with best angle.
Preferably, GPS module also can be set in this solar charger, realize the scheme of automatic sun-tracking by calculating, concrete enforcement can be 201310296971.0 with reference to application number, name is called " a kind of photovoltaic based on GPS location is followed the trail of electricity-generating method ", mode by solar tracking can lifting subassembly output energy, to meet specific high-end consumer groups demand of liking ardently science and technology.
In specific implementation process; the outward appearance of cabin can be used the material of whole clearing; the inner all parts of cabin are high-visible, and wherein PV assembly 101 can be clipped in the middle solar cell by EVA contact laminating with ultra-thin solar glass, and edge can be with transparent flexible glue material protection.
The shape of cabin can be with reference to the appearance design of townouse, convenient laterally expansion side by side, manufacturer can be by the configuration suggestion to providing end user under the analysis of the composite factors such as the on-site solar radiation resource analysis of user, user power utilization demand and use habit, can select to be only provided with the expansion cabin module of PV assembly for subsequent use, also can select to install additional again battery simultaneously.And, be not only all installed in function system is not had to too much harmful effect with the most basic configuration, can move completely.Compared with the design version of most basic configuration and optimum optimization, the interdependency to civil power when the maximum differential of user on Product Experience is to use continuously, user also can be chosen in upgrading easily voluntarily on the basis that basic configuration uses completely.The design process of this upgrading simultaneously can power-assisted further draws configuration scheme more accurately in the platform of the Internet in the serviceability feedback of real user colony and discussion information.
Please continue to refer to Fig. 2 and Fig. 3, in solar charger of the present utility model, described DC/DC conversion module 102 comprises LM2596 chip U1, the first capacitor C 1, the second capacitor C 2, the first inductance L 1 and the first diode D1, the Vin end of described LM2596 chip U1 connects the output of described PV assembly 101, also by the first capacitor C 1 ground connection, the Vout end of described LM2596 chip U1 connects one end of described the first inductance L 1 and the negative pole of the first diode D1, the other end of described the first inductance L 1 connects described switch and selects the first end of module 103 and the FB of LM2596 chip U1 end, also by the second capacitor C 2 ground connection, the positive pole of described the first diode D1, the ON/OFF of LM2596 chip U1 end and GND hold equal ground connection.The energy that PV assembly 101 is exported enters the Vin end of LM2596 chip U1, and the voltage (as 5V specifically needs customization according to design) that reduces output fixed value by LM2596 chip U1 exports switch to and selects module 103 after the first inductance L 1 energy storage.
It is the first single-pole double-throw switch (SPDT) KW1 that described switch is selected module 103, the first stiff end (it is the first end of switch selection module 103) of described the first single-pole double-throw switch (SPDT) KW1 connects the other end of described the first inductance L 1, the second stiff end (it is the second end of switch selection module 103) of described the first single-pole double-throw switch (SPDT) KW1 connects the VBUS end of described the first usb 1 04, and the selecting side (it is the 3rd end that switch is selected module 103) of described the first single-pole double-throw switch (SPDT) KW1 connects charging circuit 106.In the present embodiment, first single-pole double-throw switch (SPDT) KW1 acquiescence conducting the first stiff end (being conducting DC/DC conversion module 102 these roads), in the time that the first usb 1 04 accesses mains adapter, can be manually switched to the second stiff end simultaneously, DC/DC conversion module 102 and charging circuit 106 are disconnected.
The utility model selects module 103 to control the mode of access civil power by switch, can meet that special excess energy is used or special when continuous long-time overcast and rainy, user can be the utility model solar charger electric energy supplement with smart mobile phone first wife charger.
Certainly, in other embodiments, described switch selects module 103 also can be designed to more intelligent scheme, in the time that the first usb 1 04 accesses civil power, automatically DC/DC conversion module 102 and charging circuit 106 are disconnected, the energy of civil power can be normally filled with in battery, this scheme can realize by the mode such as software detection or electronic switch, because it is prior art, be not described further herein.
In described solar charger, lithium polymer battery or lithium Fe battery are selected in described battery suggestion, charging circuit 106 adopts lithium battery constant current voltage limiting charging circuit, maximum charging current design load is more than 2A, choosing of specific design value can be according to the maximum possible output current of PV assembly 101, needs the maximum that is less than the utility model built-in lithium battery allow charging current and determine simultaneously.In addition, when circuit design, need consider that permission is in the time that the maximum output current of user's mains adapter is less than design load of the present utility model, automatically adjust and adapt to also can normally work.
Described charging circuit comprises charging management chip U2, the first resistance R 1, the second resistance R 2 and the 3rd capacitor C 3, the Prog of described charging management chip U2 holds by described the first resistance R 1 ground connection, the CHGb end of charging management chip U2 connects VCC feeder ear by described the second resistance R 2, the VCC end of described charging management chip U2 connects described VCC feeder ear, also by the 3rd capacitor C 3 ground connection, the VBAT end of described charging management chip U2 connects the positive pole of battery, the GND end ground connection of charging management chip U2.The electric current of selecting module 103 to export through switch enters the CHGb end of charging management chip U2, holds output charging voltage and charging current to the positive pole of battery through the VBAT of charging management chip U2, charges the battery.
In smart mobile phone need to charge insertion secondary USB interface 105 time, booster circuit 107 starts automatically to charging mobile phone battery, wherein, described booster circuit 107 comprises the chip U3 that boosts, the second inductance L 2, the second diode D2, the 4th capacitor C 4, the 5th capacitor C 5 and the 6th capacitor C 6, the Lx end of the described chip U3 that boosts connects one end of described the second inductance L 2 and the positive pole of the second diode D2, and the other end of described the second inductance L 2 connects the positive pole of battery, also by the 4th capacitor C 4 ground connection; The negative pole of described the second diode D2 connects the OUT end of the chip U3 that boosts, the OUT end of the described chip U3 that boosts connect the VBUS end of secondary USB interface 105, also by the 4th capacitor C 4 ground connection, also by the 5th capacitor C 5 ground connection, described in the boost VSS end ground connection of chip U3.In the time that the terminals such as smart mobile phone are inserted secondary USB interface 105, the chip U3 that boosts starts automatically, to 5V, holds to charging mobile phone battery to the VBUS of secondary USB interface 105 boost in voltage of battery output.
Please again consult Fig. 1, at least one is set for the battery compartment 11 of described battery is installed in the bottom of charger body 10, in this battery compartment 11, battery is installed.Described battery is two, and second battery can be also that user purchases and installs voluntarily, mainly for the more user area design of overcast and rainy total duration continuously, certainly, also can be for meeting user's individual demand.
Please again consult Fig. 2 and Fig. 3, in the utility model embodiment, two batteries are respectively the first battery BAT1 and the second battery BAT2.As shown in Figure 3, the positive pole of the first battery BAT1 connects the VBAT end of charging management chip U2 and one end of the second inductance L 2, the positive pole of the second battery BAT2 connects the VBAT end of charging management chip U2 and one end of the second inductance L 2, the equal ground connection of negative pole of the negative pole of described the first battery BAT1 and the second battery BAT2, user directly carries out corresponding operating according to product description, realizes direct in parallel use of two lithium batteries by the step of advising in specification.
In other embodiments, between the positive pole of anodal and the second battery BAT2 of the first battery BAT1, also can increase electronic switch, or adopt the circuit structure of chip and analog switch composition to replace, by the electric weight of chip monitoring battery, in the time that the electric weight of a certain battery is not enough, automatically switch to another powered battery, can further improve the intelligent degree of solar charger, further promote user's experience effect.
In order to promote user's experience effect, can and connect the charged state that an indicator light represents charger at the output of charging circuit 106, and indicator light scheme and brightness improvement suggestion: can automatically realize personalized adjusting by acquisition environment light sensation and human body sensing double factor, concrete manifestation is example as follows.
Example one: daytime is highlighted to be shown continuously unchangeably, night is with utmost point low-light level (the minimum 1/10 following power that is adjusted to daytime when the late into the night, depend on ambient light illumination dynamically adjust) demonstration unchangeably continuously.
Example two: intermittently light daytime as every 5 seconds durations only 1 second residue of highlighted demonstration within 4 seconds, extinguish, use utmost point low-light level (the minimum 1/10 following power that is adjusted to daytime when the late into the night, depend on ambient light illumination dynamically adjust) demonstration unchangeably continuously night.
Example three: highlighted demonstration on daytime, brightness at night were turned down to 1/5 of daytime, and near user's indicator light perseverance photovoltaic cabin is bright, outside people leaves certain limit time, indicator light starts to enter and intermittently lights that (intermittently duration is dynamically adjusted according to cabin and people's change of distance, the distance time of extinguishing far away is longer, and lighting duration and can remain unchanged between extinguishing for twice), when distance exceeds setting range, indicator light extinguishes completely.
In order to improve user's experience effect, described battery is dilatation and replacing voluntarily, can two batteries of standard configuration in the battery compartment of each cabin 11, but a lithium battery is generally only installed, user can easily expand voluntarily.Meanwhile, the base of cabin also can be thickeied dilatation in addition by apolegamy part, and the electrical contact of the 3rd battery of increase can and be connected in the bottom in primary cell storehouse.User can oneself successfully be successfully completed the dilatation operation of lithium battery under specification guides.The physical connection of hardware can by good industrial design accomplish suitable easily, the preparation process of real access needs by standardization flow operations: as first requirement user is full of respectively electricity individually by each the piece lithium battery in system, this step confirm good after, user just can by the lithium battery of polylith really in high quality physical connection get up.
In the time using two or more PV assembly parallel operation, if great abundance of sunshine, even if it is even higher that the maximum charging current design load of charging circuit 106 is 2A, but still likely under desirable solar radiation resource situation, there is the taller situation of power that the energy force rate charger maximum of PV assembly peak power output can receive.Now charger can be adjusted the actual output of PV assembly automatically, just reaches and equates with maximal received power, makes the work of system remain very safe.But under this operating state, the energy of sunlight is not utilized completely obviously.Consider the actual conditions of solar radiation resource, the utility model is by adding the super capacitor of appropriate design substantially can avoid this situation to occur completely, as Fig. 2 and Fig. 3, between described PV assembly 101 and DC/DC conversion module 102, can be incorporated to one group of super capacitor 108.What is more important, in the time that the situations such as shade, the sun of short time intert in the clouds appear in solar radiation power deficiency, part, the super capacitor 108 of appropriate design adds the rear lifting of the stability to circuit system charging performance to have quite desirable positive effect.
Because super capacitor 108 is optional accessory, in use, need DC/DC conversion module 102 to be designed to the relatively version of start-up function of input voltage hysteresis that band is specified simultaneously, for example, the start voltage thresholds of DC/DC conversion module 102 is set as to 12.5V, if input voltage during lower than this value the not starting of oscillation of DC/DC conversion module in resting state, and once input voltage will start work smoothly higher than this value DC/DC module, even input voltage is reduced to and approaches Second Threshold (as being set as 7V) and still maintain output after starting, until input voltage will enter dormancy immediately lower than the moment DC/DC conversion module 102 of Second Threshold, after this only have input voltage to be again promoted to first threshold and just can restart above work.After the capability value Combinatorial Optimization design of this group threshold parameter and super capacitor 108, in the situation that solar radiation resource is not abundant, the combination property of system will obtain quite useful lifting.
Because lithium battery performance is comparatively responsive to temperature, in the date that summer, particularly temperature was very high under sun direct projection, life-span impact on lithium battery is very large, the utility model suggestion battery compartment 11 can depart from charger body 10(as cabin) arrange, after can connecting by a longer USB line between battery compartment 11 and charger body 10, making lithium battery be placed on sunlight cannot direct irradiation, more shady and cool place.
Further, described the first battery BAT1 and the second battery BAT2 also can select lithium Fe battery, and entirety can be done IP65 waterproof, makes solar charger of the present utility model can be used as outdoor specific versions.Because lithium Fe battery has good high temperature and low-temperature characteristics, especially the conventional lithium polymer battery of withstand high temperatures energy force rate is much better than, cabin can be placed on and on open air, balcony, balcony, receive safely sunlight direct irradiation throughout the year.Because the reception condition of solar radiation resource is fine, the area of PV assembly 101 can reasonably narrow down to and to a certain degree remain originally constant at the general effect of indoor window edge of table placement.
More excellent, except can, directly with built-in lithium battery (as the first battery BAT1 and the second battery BAT2) energy storage of cabin and for the chargings such as mobile phone, also designing in addition the doll portable power source as the 12 symbolic animals associated with a 12 year cycle.Lithium battery and doll portable power source all can work independently, and user can buy one by alternative, also can two all buy, and 12 kinds of Chinese zodiac dolls also can arbitrarily be matched.The output of doll portable power source can separately be furnished with the short-term of a micro interface, and after inserting, doll portable power source is just as having grown little tail.Touch the mark position of doll, as navel, eyes or both hands etc. can start output, the indicator light of this doll portable power source electric discharge is simultaneously luminous in health, and as navel can be used trnaslucent materials, eyes can 75% printing opacity etc.Indicator light can manually be closed, long by/touching the more than 1.5 seconds indicator light in mark position extinguishes, if vice-minister is by can again lighting again, for mobile phone is full of after electricity, or people's doll portable power source when extracting mobile phone can cut out output automatically.Meanwhile, doll portable power source can coordinate music tip to charge with the light flash of approximately 10 seconds durations.
Doll portable power source to charge to rare three kinds of options capable of being combined: doll portable power source is standing directly on the base in cabin somewhere can realize charging (base charging inlet size etc. can be designed to company standard), doll portable power source can be matched wireless charging module, also can connect and realize charging with Micro USB line simultaneously.
Increase doll portable power source if retain the built-in lithium battery of cabin standard configuration, user is equivalent to have 2 portable power sources simultaneously.If when daytime, user was in, preferentially use the energy of PV assembly 101 directly to charge the phone.Overcast and rainy when occurring, or there is spissatus layer when fine day, building shade etc., when photovoltaic cabin roof assembly be directly mobile phone rechargeable energy deficiency, doll portable power source ensures that the speed of sufficient energy is identical.
In addition, doll can be designed as outside the 12 symbolic animals associated with a 12 year cycle, and a kind of most preferred embodiment is the personage that can choose the local feature of local tool, building, legend, icon, cultural morphology etc., can deep-cut specially the art up form that is designed to high-quality tourist souvenir article.Certainly, can also select with constellation personage, Beijing opera personage, ancient times personage, scientist, little vehicle model, typical buildings, ship, aircraft etc. be general design subject matter.
Further in embodiment, bluetooth module and WiFi module can also be set on solar charger of the present utility model, by the mobile phone app software of free download, select some concrete parameters by user individual, manage charging priority level, charging current allocation proportion and the electric discharge strategy etc. of multiple portable power sources, simultaneously can have remote monitoring concurrently, show the function such as power output, lithium battery dump energy, voltage of PV assembly 101.
Further, in embodiment, the pointer ammeter of battery dump energy percentage also can be set in solar charger of the present utility model, convenient directly perceived observation and the energy that in a planned way uses cabin to store strengthens national energy-consuming consciousness.
Solar charger of the present utility model mainly relies on the electric power of Power supply user smart mobile phone normal electricity consumption every day of collecting sunlight required, reduce or substantially do not need to use the mobile phone that civil power is user to charge, in the time that solar energy is not enough, select module to switch to by switch commercial power charged, saved the energy.
The utility model, except professional art-recognized meanings, also has its more deep social benefit: reduce burning of coal (the main source of the electric power energy that at present China is used), reduce our dependence to non-renewable resources, reduce carbon emission; Make regenerative resource really be applied to more family of China and personnel earnestly, promote the consciousness of national energy-conserving and environment-protective.
Concrete market analysis and energy estimated value are as follows:
At present, the advantage that portable power source facilitates, can charge as mobile phone whenever and wherever possible taking it, very large in China's use amount, and have the increasing trend of consumption.But compared with charging the phone with civil power with direct Payload attach fitting, owing to having passed through more conversion process of energy, and conversion process of energy is each time unavoidably all lossy, therefore portable power source brings us has additionally increased the loss of the energy easily simultaneously.
In the time of our the energy-storage battery charging that is portable power source with civil power, there is the chemical wear of lithium battery in the running wastage of electronic devices and components and portable power source.Wherein, the electronic devices and components running wastage in portable power source and the chemical wear of lithium cell charging process, comparing with civil power is directly that mobile phone charges, these two kinds of losses all newly increase.With civil power be after portable power source charging, we can be that mobile phone charges by portable power source, this process need raises typical portable power source lithium battery 3.7V nominal voltage for the USB output voltage of 5V, and chemical wear when the electrical loss of portable power source inside and lithium battery electric discharge is and newly increases.
In addition, itself all there is self discharge to a certain degree in portable power source energy-storage battery, and the circuit of portable power source still may exist a small amount of static working current when output services inoperative boosting.And, also have a factor can not ignore, directly for charging mobile phone battery is compared, same power supply adaptor required time in the time charging for portable power source is obviously longer with civil power.In other words, be finally for to the complete once electricity that fills of same mobile phone equally, by the mode of portable power source, himself the electric energy of electronic devices and components running wastage of mains supply adapter is more.In sum, obviously using portable power source to compare direct for mobile phone charging is that mobile phone charging meeting additionally consumes more electric energy with civil power.
Thus, we can be by rough estimation the cellphone subscriber's extra energy-output ratio increasing due to the use of portable power source every year to draw China: 11.46 hundred million of national cellphone subscriber's quantity (in by the end of March, 2013 statistics of Ministry of Industry and Information), use portable power source to calculate with 10% of charging consumption, mobile phone need to fill once electricity average every day, the complex energy conversion efficiency of supposing portable power source charging and discharge process all reaches 90%, battery of mobile phone capacity mean value calculates with 2100mAh, annual this charging consumption of 10% due to use portable power source for mobile phone charging than directly with civil power be mobile phone charge need many consumption electric energy be 7.62 × 107kWh, than direct with civil power be mobile phone 2.75 × 104 tons of standard coals of many consumptions that charge, the carbon dioxide of many discharges is 1.01 × 105 tons.
Portable power source is due to user's real demand, and the development of its market fierceness and a large amount of uses are the normal phenomenons that meets social law.And, along with the running naturally in market, more and more safer more reliable high-quality portable power source brand products can be emerged in large numbers, along with the day by day enhancing of its people to portable power source product confidence, its growth trend still can constantly be strengthened for a comparatively long period of time, and 10% usage ratio will become a significant time point in historical propagation process and constantly be refreshed.Taking cellphone subscriber's data in March, 2013 as benchmark, if not re-using civil power, this its user of charging consumption of 10% changes the energy so that mobile phone charging to be provided with solar energy power generating completely, saving every year Xia city power consumption is 4.01 × 108kWh, save thermoelectricity standard coal and reach 1.45 × 105 tons, reduce 5.31 × 105 tons of CO2 emissions.
Be understandable that; for those of ordinary skills; can be equal to replacement or change according to the technical solution of the utility model and utility model design thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the utility model.
Claims (10)
1. a solar charger, comprise charger body, it is characterized in that, in described charger body, be provided with PV assembly, in described charger body, be provided with DC/DC conversion module, in described charger body, be also provided with switch and select module and the first USB interface;
Described solar charger also comprises at least one battery, secondary USB interface, the charging circuit for charging to described battery, the booster circuit for the boost in voltage of battery output is powered to power consumption equipment to 5V;
The output of described PV assembly connects the first end of described switch selection module by DC/DC conversion module, described switch selects the second end of module to connect the first USB interface, described switch selects the 3rd end of module to connect the positive pole of battery by described charging circuit, and the positive pole of described battery also connects secondary USB interface by described booster circuit.
2. solar charger according to claim 1, is characterized in that, at least one is set for the battery compartment of described battery is installed in the bottom of charger body.
3. solar charger according to claim 1, it is characterized in that, described DC/DC conversion module comprises LM2596 chip, the first electric capacity, the second electric capacity, the first inductance and the first diode, the Vin end of described LM2596 chip connects the output of described PV assembly, also by the first capacity earth, the Vout end of described LM2596 chip connects one end of described the first inductance and the negative pole of the first diode, and the other end of described the first inductance connects described switch and selects the first end of module and the FB of LM2596 chip to hold, also pass through the second capacity earth; The positive pole of described the first diode, the ON/OFF of LM2596 chip end and GND hold equal ground connection.
4. solar charger according to claim 3, it is characterized in that, it is the first single-pole double-throw switch (SPDT) that described switch is selected module, the first stiff end of described the first single-pole double-throw switch (SPDT) connects the other end of described the first inductance, the second stiff end of described the first single-pole double-throw switch (SPDT) connects the VBUS end of described the first USB interface, and the selecting side of described the first single-pole double-throw switch (SPDT) connects charging circuit.
5. solar charger according to claim 4, it is characterized in that, described charging circuit comprises: charging management chip, the first resistance, the second resistance and the 3rd electric capacity, the Prog end of described charging management chip is by described the first grounding through resistance, the CHGb end of charging management chip connects VCC feeder ear by described the second resistance, the VCC end of described charging management chip connects described VCC feeder ear, also by the 3rd capacity earth, the VBAT end of described charging management chip connects the positive pole of battery, the GND end ground connection of charging management chip.
6. solar charger according to claim 5, it is characterized in that, described booster circuit comprises: the chip that boosts, the second inductance, the second diode, the 4th electric capacity, the 5th electric capacity and the 6th electric capacity, the Lx end of the described chip that boosts connects one end of described the second inductance and the positive pole of the second diode, and the other end of described the second inductance connects the positive pole of battery, also by the 4th capacity earth; The negative pole of described the second diode connects the OUT end of the chip that boosts, described in boost the OUT end of chip connect the VBUS end of secondary USB interface, also by the 4th capacity earth, also by the 5th capacity earth, described in the boost VSS end ground connection of chip.
7. solar charger according to claim 5, is characterized in that, described battery is two, is respectively the first battery and the second battery.
8. solar charger according to claim 1, is characterized in that, is incorporated to one group of super capacitor between described PV assembly and DC/DC conversion module.
9. solar charger according to claim 1, is characterized in that, described PV assembly is arranged on the end face of described charger body, is provided for regulating the governor motion of end face angle on described end face.
10. solar charger according to claim 1, is characterized in that, also comprises PV assembly for subsequent use, and described PV assembly for subsequent use is connected with described DC/DC conversion module.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104617613A (en) * | 2015-01-13 | 2015-05-13 | 深圳拓邦股份有限公司 | Charging/ discharging protection plate of lithium battery pack and lithium battery pack protection system |
| CN104753139A (en) * | 2015-03-31 | 2015-07-01 | 无锡市崇安区科技创业服务中心 | Battery charging control device based on boost circuit |
| CN104767254A (en) * | 2015-05-05 | 2015-07-08 | 三星电子（中国）研发中心 | Mobile equipment |
| CN105959494A (en) * | 2016-07-07 | 2016-09-21 | 深圳大学 | Solar emergency power supply system |
| CN106899076A (en) * | 2015-12-21 | 2017-06-27 | 深圳光启空间技术有限公司 | The method of supplying power to of UAS, unmanned plane electric power system and UAS |
| CN107733064A (en) * | 2017-11-14 | 2018-02-23 | 深圳市百仕特电子有限公司 | A kind of separate power supply and LED illumination lamp based on solar energy |
| CN109923752A (en) * | 2016-09-30 | 2019-06-21 | 西尔品牌有限公司 | For providing the system and method for the conductive charging with multiple terminals constellation |
| CN110581647A (en) * | 2019-09-29 | 2019-12-17 | 北京机械设备研究所 | Signal source circuit based on charger and battery power supply and power supply method |
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- 2014-07-10 CN CN201420379796.1U patent/CN203984045U/en active Active
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104617613A (en) * | 2015-01-13 | 2015-05-13 | 深圳拓邦股份有限公司 | Charging/ discharging protection plate of lithium battery pack and lithium battery pack protection system |
| CN104753139A (en) * | 2015-03-31 | 2015-07-01 | 无锡市崇安区科技创业服务中心 | Battery charging control device based on boost circuit |
| CN104767254A (en) * | 2015-05-05 | 2015-07-08 | 三星电子（中国）研发中心 | Mobile equipment |
| CN106899076A (en) * | 2015-12-21 | 2017-06-27 | 深圳光启空间技术有限公司 | The method of supplying power to of UAS, unmanned plane electric power system and UAS |
| CN106899076B (en) * | 2015-12-21 | 2020-01-24 | 深圳光启空间技术有限公司 | Unmanned aerial vehicle power supply system and unmanned aerial vehicle system |
| CN105959494A (en) * | 2016-07-07 | 2016-09-21 | 深圳大学 | Solar emergency power supply system |
| CN109923752A (en) * | 2016-09-30 | 2019-06-21 | 西尔品牌有限公司 | For providing the system and method for the conductive charging with multiple terminals constellation |
| CN107733064A (en) * | 2017-11-14 | 2018-02-23 | 深圳市百仕特电子有限公司 | A kind of separate power supply and LED illumination lamp based on solar energy |
| CN110581647A (en) * | 2019-09-29 | 2019-12-17 | 北京机械设备研究所 | Signal source circuit based on charger and battery power supply and power supply method |
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