CN204497808U - A kind of multifuctional solar charger baby - Google Patents
A kind of multifuctional solar charger baby Download PDFInfo
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- CN204497808U CN204497808U CN201520258775.9U CN201520258775U CN204497808U CN 204497808 U CN204497808 U CN 204497808U CN 201520258775 U CN201520258775 U CN 201520258775U CN 204497808 U CN204497808 U CN 204497808U
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- storage battery
- charger baby
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Abstract
The utility model discloses a kind of multifuctional solar charger baby, belong to solar charging electro-technical field.The utility model comprises shell and storage battery, also comprises solar energy photocell board, control circuit and energy conversion device, and storage battery is lithium polymer storage battery; The upper and lower surface of shell all cover by solar energy photocell board; The input of energy conversion device is electrically connected with solar energy photocell board, and the output of energy conversion device is connected with storage battery; Control circuit is electrically connected with solar energy photocell board, storage battery, energy conversion device respectively; Control circuit comprises current foldback circuit and temperature sensing circuit.Shell side is provided with USB interface, charging inlet, TF card plug, earphone jack, volume control switch, battery capacity indication lamp, LED and lighting switch.Charger baby of the present utility model not only has the functions such as music, data storage and reading, illumination, and has the function of overcurrent protection and temperature detection.
Description
Technical field
The utility model relates to charger baby technical field, more particularly, relates to a kind of multifuctional solar charger baby.
Background technology
Along with the fast development of global economy, improving constantly of people's living standard, portable electronic product also gets more and more, as mobile phone, digital camera, portable DVD player, PDA, MP3 etc., but, now there is charger baby in the user demand that all fully can not meet people with machine battery because of limited battery capacity of these equipment.The environmental problem that current energy crisis and fossil fuel cause progressively is subject to people's attention, and solar energy is regenerative resource, is the environment protection clean energy truly.Solar energy resources enriches, and is distributed in global range relative equilibrium, both can freely uses, again without the need to transport, do not produce discharge waste, to environment without any pollution, therefore the exploitation of solar energy will obtain significant progress, and Solar energy charger has just developed under this background.
Solar energy charger is the device be stored in after solar energy being converted to electric energy inside storage battery, and Solar energy charger is generally made up of solar photocell, storage battery and voltage regulation component three parts.Storage battery can be the electrical storage device of various ways, and storage battery is mainly lead-acid battery, lithium battery and Ni-MH battery, and load can be the digital products such as mobile phone.The Solar energy charger of three types is mainly contained: the Solar energy charger of (1) band illumination functions in prior art, built-in energy-saving LED illuminating lamp, very power saving, if Solar energy charger is merely for LED illumination lamp, 3 hours to 30 hours can not used not etc. according to internal battery amount of capacity; (2) solar charger of self charging, other expanded functions are not with by this charger, and advantage is that charger capabilities is large, is applicable to very much doing professional external power supply; (3) support the solar charger of power supply Adjustable device, generally support that 5V, 9V are adjustable.But along with improving constantly of people's living standard, the Solar energy charger of function singleness cannot meet the user demand of people.How designing a kind of multi-functional Solar energy charger, is the problem that designer pays close attention to.
In prior art, the related art scheme of existing multifuctional solar charger baby is open, as Chinese Patent Application No.: 2014207274084, the applying date: on November 28th, 2014, invention and created name is: charger baby, this application case discloses a kind of charger baby, comprise charging inlet, USB output interface, power supply indicator, shell, switch and storage battery, charging inlet, USB output interface, power supply indicator and switch are located on the first side of shell successively, enclosure is located at by storage battery, described charger baby four tops are equipped with Silicone Case, charger baby upper side is provided with solar panel, solar panel is connected with storage battery, charger baby downside is provided with fixture.This charger baby can be clipped on clothes, on school bag and use, easy to carry; Charger baby self with screwdriver, illumination and music playback function, complete function.The weak point of this application case is: charger baby lacks circuit protection device, easily fills bad electrical appliance or shortens useful life of electrical appliance battery, charger baby storage battery.
At present; on market, most existing Solar energy charger function is too single; effectively can not gather multi-function in integral whole the daily demand realizing user; and charger baby lacks corresponding circuit protection device, easily fill bad electrical appliance or shorten useful life of electrical appliance battery, charger baby storage battery.
Utility model content
1. the utility model technical problem that will solve
The purpose of this utility model is the deficiency overcoming existing Solar energy charger function singleness, lack corresponding circuit protection device; provide a kind of multifuctional solar charger baby; the technical scheme that the utility model provides; not only there is the functions such as music, data storage and reading, illumination, and there is the function of overcurrent protection and temperature detection.
2. technical scheme
For achieving the above object, the technical scheme that the utility model provides is:
A kind of multifuctional solar charger baby of the present utility model, comprises shell and storage battery, also comprises solar energy photocell board, control circuit and energy conversion device,
Described storage battery is lithium polymer storage battery; The upper and lower surface of described shell all cover by solar energy photocell board; The input of described energy conversion device is electrically connected with solar energy photocell board, and the output of energy conversion device is connected with storage battery; Described control circuit is electrically connected with solar energy photocell board, storage battery, energy conversion device respectively; Described control circuit comprises current foldback circuit and temperature sensing circuit.
Further improve as the utility model, described current foldback circuit is connected with storage battery; Described current foldback circuit comprises field effect transistor T1, triode T2, output resistance R0 and amplifier U1, the output of described storage battery is electrically connected with a pin of amplifier U1, the drain electrode d of field effect transistor T1 respectively, the output of amplifier U1 is electrically connected with the grid g of field effect transistor T1, the collector electrode c of triode T2 respectively, and the source electrode s of field effect transistor T1 is electrically connected with the base stage b of triode T2, one end of output resistance R0 respectively; The positive termination power of amplifier U1, another pin ground connection of amplifier U1; The emitter e of triode T2 is connected between the negative terminal of amplifier U1 and the other end of output resistance R0.
Further improve as the utility model, described temperature sensing circuit comprises thermistor R1, reference voltage AREF, resistance R2, analog to digital converter ADC and decoupling capacitor C, one end of thermistor R1 is connected with reference voltage AREF, the other end of thermistor R1 is connected with one end of resistance R2, the other end ground connection of resistance R2; The input of analog to digital converter ADC is connected between thermistor R1 and resistance R2; One end of decoupling capacitor C is connected with reference voltage AREF, the other end ground connection of decoupling capacitor C; The output of analog to digital converter ADC is connected to single-chip microcomputer.
Further improve as the utility model, described shell side is provided with USB interface, charging inlet and TF card plug.
Further improve as the utility model, described enclosure is provided with MP3 player, and shell side is provided with the earphone jack corresponding with MP3 player and volume control switch.
Further improve as the utility model, described shell side is provided with battery capacity indication lamp.
Further improve as the utility model, the side of described shell is provided with LED and lighting switch, and lighting switch is connected with control circuit.
3. beneficial effect
The technical scheme adopting the utility model to provide, compared with prior art, has following beneficial effect:
(1) in the utility model, current foldback circuit can carry out Real-Time Monitoring to the load current be connected in charger baby, prevents the phenomenon that current overload fills bad mobile phone, shortens mobile phone and battery, plays a protective role to electrical appliance; Temperature sensing circuit can detect the variations in temperature of charging process in real time, is convenient to carry out corresponding temperature-compensating process to the charging process of charger baby, thus protection solar energy photocell board is to the charging of storage battery, improves the reliability of whole device.
(2) the utility model housing side is provided with USB interface, charging inlet and TF card plug, and USB interface can connect USB flash disk and carry out data communication, also can connect electrical appliance and charge to electrical appliance; Charging inlet can connect civil power or vehicle power charges to charger baby, makes charger baby realize multipath charging; TF card plug can insert TF card, carries out data storage and read functions.
(3) the utility model housing inside is provided with MP3 player, and shell side is provided with the earphone jack corresponding with MP3 player and volume control switch; Earphone jack the MP3 player of connected with outer casing inside can carry out music, and the broadcast sound volume of volume control switch control MP3 player, also can select song.
(4) the utility model housing side is provided with battery capacity indication lamp, and user can understand the dump energy of charger baby in real time according to battery capacity indication lamp; The side of shell is provided with LED and lighting switch, and lighting switch is connected with control circuit; LED realizes illumination functions, and lighting switch controls the opening and closing of LED.
Accompanying drawing explanation
Fig. 1 is circuit structure block diagram of the present utility model;
Fig. 2 is structural representation of the present utility model;
Fig. 3 is side-looking structural representation of the present utility model;
Fig. 4 is perspective view of the present utility model;
Fig. 5 is the circuit diagram of current foldback circuit in the utility model;
Fig. 6 is the circuit diagram of temperature sensing circuit in the utility model.
Label declaration in schematic diagram: 1, solar energy photocell board; 2, USB interface; 3, charging inlet; 4, battery capacity indication lamp; 5, earphone jack; 6, LED; 7, lighting switch; 8, TF card plug; 9, volume control switch; 10, shell; 11, storage battery.
Embodiment
For understanding content of the present utility model further, with enforcement, the utility model is described in detail by reference to the accompanying drawings.
Embodiment 1
As shown in figures 1 to 6, a kind of multifuctional solar charger baby of the present embodiment, comprises solar energy photocell board 1, USB interface 2, charging inlet 3, battery capacity indication lamp 4, earphone jack 5, LED 6, lighting switch 7, TF card plug 8, volume control switch 9, shell 10, storage battery 11, control circuit (not shown) and energy conversion device (not shown).Storage battery 11 is lithium polymer storage battery.The upper and lower surface of shell 10 all cover by solar energy photocell board 1, solar energy photocell board 1 is used for absorbing luminous energy, and turning 180 degree of the solar energy photocell board 1 of shell 10 lower surface, make the solar energy photocell board 1 on the upper and lower surface of shell 10 at grade, expand the charging area of solar energy photocell board 1, improve charger baby charging rate in the sun.The input of energy conversion device is electrically connected with solar energy photocell board 1, the output of energy conversion device is electrically connected with storage battery 11, thus realize the conversion of luminous energy to electric energy, and by the electrical power storage of conversion in storage battery 11, the electronic product chargings such as mobile phone, MP3, MP4, digital camera can be supplied by USB interface 2.Control circuit is electrically connected with solar energy photocell board 1, storage battery 11, energy conversion device respectively, and control circuit realizes the on-line monitoring to charger baby discharge and recharge.
Control circuit comprises current foldback circuit and temperature sensing circuit.Current foldback circuit is connected with storage battery 11, current foldback circuit comprises field effect transistor T1, triode T2, output resistance R0 and amplifier U1, the output of described storage battery 11 is electrically connected with a pin of amplifier U1, the drain electrode d of field effect transistor T1 respectively, the output current of storage battery 11 is as the input current Iin of this current foldback circuit, the output of amplifier U1 is electrically connected with the grid g of field effect transistor T1, the collector electrode c of triode T2 respectively, and the source electrode s of field effect transistor T1 is electrically connected with the base stage b of triode T2, one end of output resistance R0 respectively; The positive termination power of amplifier U1, another pin ground connection of amplifier U1; The emitter e of triode T2 is connected between the negative terminal of amplifier U1 and the other end of output resistance R0.The negative terminal of amplifier U1 connects feedback signal.The output current Iout of this current foldback circuit draws from the other end of output resistance R0, and output current Iout is powered to electrical appliance by USB interface 2.
As shown in Figure 5: T1 is field effect transistor, T2 and Ro forms protective circuit.Ro is current sampling resistor, and its electric current is approximately equal to the output current Io of voltage stabilizing circuit, therefore its voltage proportional is in Io, when input current Iin is less than current limliting I, between the base stage b of T2 and emitter e, voltage is less than cut-in voltage U, and thus T2 is in cut-off state, and circuit is in normal operating conditions.When input current Iin is greater than cut-off current I, the voltage on Ro is enough to make T2 conducting, and just from the grid g current distributing of Tl, thus limit the source electrode s electric current of T1, Io will reduce, thus avoids electric current excessive, damages load, plays a protective role to electrical appliance.
In the multifuctional solar charger baby use procedure of the present embodiment; the change of temperature can affect the performance of storage battery 11; so when solar energy photocell board 1 pair of storage battery 11 charges; suitable temperature-compensating should be carried out; thus the charging of protection solar energy photocell board 1 pair of storage battery 11; improve the reliability of whole device, so just must be designed with corresponding temperature sensing circuit, real-time detected temperatures change.
As shown in Figure 6, temperature sensing circuit comprises thermistor R1, reference voltage AREF, resistance R2, analog to digital converter ADC and decoupling capacitor C, one end of thermistor R1 is connected with reference voltage AREF, and the other end of thermistor R1 is connected with one end of resistance R2, the other end ground connection of resistance R2; The input of analog to digital converter ADC is connected between thermistor R1 and resistance R2; One end of decoupling capacitor C is connected with reference voltage AREF, the other end ground connection of decoupling capacitor C; The output of analog to digital converter ADC is connected to single-chip microcomputer, obtains temperature value through the process of single-chip microcomputer numerical value, and carries out corresponding temperature-compensating process.Decoupling capacitor C can carry out decoupling, so that better restraint speckle.
In the present embodiment, current foldback circuit can carry out Real-Time Monitoring to the load current be connected in charger baby, prevents the phenomenon that current overload fills bad mobile phone, shortens mobile phone and battery, plays a protective role to electrical appliance.Temperature sensing circuit can detect the variations in temperature of charging process in real time, is convenient to carry out corresponding temperature-compensating process to the charging process of charger baby, thus the charging of protection solar energy photocell board 1 pair of storage battery 11, improve the reliability of whole device.
The present embodiment housing 10 side is provided with USB interface 2, charging inlet 3 and TF card plug 8.USB interface 2 can connect USB flash disk and carry out data communication, also can connect electrical appliance and charge to electrical appliance; Charging inlet 3 can connect civil power or vehicle power charges to charger baby, makes charger baby realize multipath charging; TF card plug 8 can insert TF card, carries out data storage and read functions.Shell 10 inside is provided with MP3 player, and shell 10 side is provided with the earphone jack 5 corresponding with MP3 player and volume control switch 9.Earphone jack 5 the MP3 player of connected with outer casing 10 inside can carry out music, and the broadcast sound volume of volume control switch 9 control MP3 player, also can select song.Shell 10 side is provided with battery capacity indication lamp 4, and user can understand the dump energy of charger baby in real time according to battery capacity indication lamp 4.The side of shell 10 is provided with LED 6 and lighting switch 7, and lighting switch 7 is connected with control circuit.LED 6 realizes illumination functions, and lighting switch 7 controls the opening and closing of LED 6.
Schematically above be described the utility model and execution mode thereof, this description does not have restricted, and also just one of the execution mode of the present utility model shown in accompanying drawing, actual structure is not limited thereto.So, if those of ordinary skill in the art enlightens by it, when not departing from the utility model and creating aim, design the frame mode similar to this technical scheme and embodiment without creationary, protection range of the present utility model all should be belonged to.
Claims (7)
1. a multifuctional solar charger baby, comprises shell (10) and storage battery (11), it is characterized in that: also comprise solar energy photocell board (1), control circuit and energy conversion device,
Described storage battery (11) is lithium polymer storage battery; The upper and lower surface of described shell (10) all cover by solar energy photocell board (1); The input of described energy conversion device is electrically connected with solar energy photocell board (1), and the output of energy conversion device is electrically connected with storage battery (11); Described control circuit is electrically connected with solar energy photocell board (1), storage battery (11), energy conversion device respectively; Described control circuit comprises current foldback circuit and temperature sensing circuit.
2. a kind of multifuctional solar charger baby according to claims 1, is characterized in that: described current foldback circuit is connected with storage battery (11); Described current foldback circuit comprises field effect transistor T1, triode T2, output resistance R0 and amplifier U1, the output of described storage battery (11) is electrically connected with a pin of amplifier U1, the drain electrode d of field effect transistor T1 respectively, the output of amplifier U1 is electrically connected with the grid g of field effect transistor T1, the collector electrode c of triode T2 respectively, and the source electrode s of field effect transistor T1 is electrically connected with the base stage b of triode T2, one end of output resistance R0 respectively; The positive termination power of amplifier U1, another pin ground connection of amplifier U1; The emitter e of triode T2 is connected between the negative terminal of amplifier U1 and the other end of output resistance R0.
3. a kind of multifuctional solar charger baby according to claims 2, it is characterized in that: described temperature sensing circuit comprises thermistor R1, reference voltage AREF, resistance R2, analog to digital converter ADC and decoupling capacitor C, one end of thermistor R1 is connected with reference voltage AREF, the other end of thermistor R1 is connected with one end of resistance R2, the other end ground connection of resistance R2; The input of analog to digital converter ADC is connected between thermistor R1 and resistance R2; One end of decoupling capacitor C is connected with reference voltage AREF, the other end ground connection of decoupling capacitor C; The output of analog to digital converter ADC is connected to single-chip microcomputer.
4. a kind of multifuctional solar charger baby according to claims 3, is characterized in that: described shell (10) side is provided with USB interface (2), charging inlet (3) and TF card plug (8).
5. a kind of multifuctional solar charger baby according to claims 4, it is characterized in that: described shell (10) inside is provided with MP3 player, shell (10) side is provided with the earphone jack (5) corresponding with MP3 player and volume control switch (9).
6. a kind of multifuctional solar charger baby according to claims 5, is characterized in that: described shell (10) side is provided with battery capacity indication lamp (4).
7. a kind of multifuctional solar charger baby according to claims 1 or 6, it is characterized in that: the side of described shell (10) is provided with LED (6) and lighting switch (7), and lighting switch (7) is connected with control circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520258775.9U CN204497808U (en) | 2015-04-24 | 2015-04-24 | A kind of multifuctional solar charger baby |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520258775.9U CN204497808U (en) | 2015-04-24 | 2015-04-24 | A kind of multifuctional solar charger baby |
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| CN204497808U true CN204497808U (en) | 2015-07-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520258775.9U Expired - Fee Related CN204497808U (en) | 2015-04-24 | 2015-04-24 | A kind of multifuctional solar charger baby |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107041035A (en) * | 2017-04-25 | 2017-08-11 | 西安工业大学 | The measure and control device of LED electrical characteristic |
| CN107134846A (en) * | 2017-06-28 | 2017-09-05 | 上海传英信息技术有限公司 | Solar energy charger |
| CN108092391A (en) * | 2018-01-08 | 2018-05-29 | 深圳晶与埔实业有限公司 | Electrical storage device and solar illuminating system |
-
2015
- 2015-04-24 CN CN201520258775.9U patent/CN204497808U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107041035A (en) * | 2017-04-25 | 2017-08-11 | 西安工业大学 | The measure and control device of LED electrical characteristic |
| CN107134846A (en) * | 2017-06-28 | 2017-09-05 | 上海传英信息技术有限公司 | Solar energy charger |
| CN108092391A (en) * | 2018-01-08 | 2018-05-29 | 深圳晶与埔实业有限公司 | Electrical storage device and solar illuminating system |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150722 Termination date: 20160424 |