CN203119508U - Solar mobile phone charger - Google Patents
Solar mobile phone charger Download PDFInfo
- Publication number
- CN203119508U CN203119508U CN2012206878285U CN201220687828U CN203119508U CN 203119508 U CN203119508 U CN 203119508U CN 2012206878285 U CN2012206878285 U CN 2012206878285U CN 201220687828 U CN201220687828 U CN 201220687828U CN 203119508 U CN203119508 U CN 203119508U
- Authority
- CN
- China
- Prior art keywords
- converter
- mobile phone
- charging
- electrically connected
- solar
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Abstract
The utility model discloses a solar mobile phone charger. The solar mobile phone charger comprises a housing; a plurality of solar cell panels which are connected in parallel and arranged on the housing; a charging state indicating lamp; at least one charging port; and a DC-DC converter, a charging circuit, and a voltage-limiting circuit, which are arranged inside the housing. The solar cell panels are electrically connected with input terminals of the DC-DC converter. The charging circuit is electrically connected with an output terminal of the DC-DC converter. The voltage-limiting circuit is electrically connected with the DC-DC converter. The charging circuit is respectively connected with the charging state indicating lamp and the charging port arranged on the housing. The solar mobile phone charger is characterized by being high in charging efficiency, good in charging security, and suitable for outdoor utilization.
Description
Technical field
The utility model relates to the charging device field, relates to especially that a kind of charging voltage is stable, charge efficiency is high, and has the solar mobile phone charging device of overvoltage protection.
Background technology
Common charger need use fixed power source, often can't be to the charging of portable electric appts such as mobile phone, if there is a kind of charging device to the portable equipment charging that can carry and can be safe and reliable a lot of facilities are provided for people's outdoor life the occasion people that do not have fixed power source.
Chinese patent mandate publication number CN202276166U, authorize and disclose a kind of solar charger open day on June 13rd, 2012, described solar charger comprises that seat fills body, seat fills body and is provided with USB socket, attaching plug, the surface that seat fills body is provided with solar panel, seat fills and is provided with battery case and power supply changeover device in the body, and the output of battery case, solar panel and power supply changeover device is connected with the USB socket.This utility model has the charging voltage change greatly, the shortcoming that charge efficiency is low.
The utility model content
The utility model is big in order to overcome charging voltage of the prior art change, and the deficiency that charge efficiency is low provides that a kind of charging voltage is stable, charge efficiency is high, and has the solar mobile phone charging device of overvoltage protection.
To achieve these goals, the utility model is by the following technical solutions:
A kind of solar mobile phone charging device comprises housing, is located at several solar panels that are in parallel, charged state indicator light and at least one charging port on the housing, is located at DC-DC converter, charging circuit and pressure limiting circuit in the housing; Solar panel is electrically connected with the input of DC-DC converter, described charging circuit is electrically connected with the output of DC-DC converter, pressure limiting circuit is electrically connected with the DC-DC converter, and charging circuit is electrically connected with charged state indicator light and the charging port of being located on the housing respectively.
The DC-DC converter of solar mobile phone charging device of the present utility model has boost function, and charge efficiency effectively improves; And have over-voltage protecting function, when charging voltage was too high, pressure limiting circuit made the DC-DC converter stop the work of boosting, thereby had guaranteed the fail safe of mobile phone in charging process.
Owing to be engraved in variation during intensity of illumination, among the voltage of solar panel output also was in and changes constantly, its excursion was in 1 volt to 3 volts scope, but the required voltage of charging mobile phone battery is between 3.7 volts to 4.2 volts.Under can be at the voltage of solar panel output uncertain, the lower situation of DC-DC converter, be fixing a, higher voltage with the voltage transitions of solar panel output, thereby charge for rechargeable battery.
Pressure limiting circuit can be at the DC-DC converter boost enough or solar panel export when higher, the DC-DC converter is quit work, thereby is the rechargeable battery charging with the voltage of solar panel output directly.
The course of work of solar mobile phone charging device of the present utility model is as follows:
Rechargeable cellphone battery is connected with charging port, and solar panel becomes electric energy with transform light energy, and the dc signal of solar panel output obtains 3.7 volts to 4.2 volts dc signal through the DC-DC converter boost;
3.7 volt is input in the charging circuit to 4.2 volts dc signal, light-emitting diode gives a green light, and expression is charged; When light-emitting diode sends out a warning, then battery charge is full.
In charging process, if the DC-DC converter boost is enough or solar panel output voltage when higher, pressure limiting circuit quits work the DC-DC converter, and be the rechargeable battery charging with the voltage of solar panel output this moment directly.
As preferably, described solar panel is electrically connected with the DC-DC converter by the л mode filter.
Pi type filter is a kind of two-stage filter, and the output impedance of first order electric capacity and power supply constitutes one-level filtering, forms second level filtering by the electric capacity of inductance and secondary.This filter is located between solar panel and the converter, is used for eliminating the high-frequency impulse of solar panel generation to the influence of DC-DC converter.
As preferably, described charged state indicator light is for can send light-emitting diode red, green bi-coloured light.Represent when light-emitting diode gives a green light to charge, represent when sending out a warning that charging is full.
As preferably, described DC-DC converter is electrically connected with charging circuit by filter circuit.
The DC-DC converter becomes high voltage output with the low voltage transition of solar cell output, has unsettled high-frequency impulse in the voltage signal of DC-DC converter output, and filter circuit has been eliminated non-flip-flop to the influence of rechargeable battery.
As preferably, described solar panel is 4, uniformly-spaced is arranged on the upper surface of housing.
As preferably, described filter circuit comprises inductance and two electric capacity, described electric capacity one end ground connection, and the electric capacity other end is electrically connected with inductance one end.
As preferably, the output voltage of DC-DC converter is 3.7 volts to 4.2 volts.
As preferably, the material that solar panel adopts is crystal silicon body material.
Therefore, the utlity model has following beneficial effect: (1) charge efficiency height; (2) the charging fail safe is good; (3) be suitable for outdoor application.
Description of drawings
Fig. 1 is a kind of theory diagram of the present utility model.
Among the figure: solar panel 1, indicator light 2, charging port 3, DC-DC converter 4, charging circuit 5, pressure limiting circuit 6, л mode filter 7, filter circuit 8.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Embodiment as shown in Figure 1 is a kind of solar mobile phone charging device, comprise housing, be located at 4 solar panels that are in parallel 1, charged state indicator light 2 and 2 charging ports 3 on the housing, be located at DC-DC converter 4, charging circuit 5 and pressure limiting circuit 6 in the housing; Solar panel is electrically connected with the input of DC-DC converter, charging circuit is electrically connected with the output of DC-DC converter, pressure limiting circuit is electrically connected with the DC-DC converter, and charging circuit is electrically connected with charged state indicator light and the charging port of being located on the housing respectively.
Solar panel is electrically connected with the DC-DC converter by л mode filter 7.The charged state indicator light is for can send light-emitting diode red, green bi-coloured light.The DC-DC converter is electrically connected with charging circuit by filter circuit 8.Solar panel is 4, uniformly-spaced is arranged on the upper surface of housing.Filter circuit comprises inductance and two electric capacity, described electric capacity one end ground connection, and the electric capacity other end is electrically connected with inductance one end.The output voltage of DC-DC converter is 3.7 volts to 4.2 volts.The material that solar panel adopts is crystal silicon body material.
The course of work of solar mobile phone charging device of the present utility model is as follows:
Rechargeable cellphone battery is connected with charging port, and solar panel becomes electric energy with transform light energy, and the dc signal process л mode filter filtering of solar panel output is high frequency ac signal wherein, obtains 1 volt to 6 volts dc signal;
1 volt to 3 volts dc signal is input in the DC-DC converter, and the DC-DC converter is exported 3.7 volts to 4.2 volts dc signal;
3.7 volt is to 4.2 volts dc signal input filter circuit, filter circuit has been eliminated the non-flip-flop in the dc signal;
Dc signal is input in the charging circuit, and light-emitting diode gives a green light, and expression is charged; When light-emitting diode sends out a warning, then rechargeable battery is full of.
In charging process, if the DC-DC converter boost is enough or solar panel output voltage when higher, pressure limiting circuit quits work the DC-DC converter, and be the rechargeable battery charging with the voltage of solar panel output this moment directly.
Claims (8)
1. solar mobile phone charging device, it is characterized in that, comprise housing, be located at several solar panels that are in parallel (1), charged state indicator light (2) and at least one charging port (3) on the housing, be located at DC-DC converter (4), charging circuit (5) and pressure limiting circuit (6) in the housing; Solar panel is electrically connected with the input of DC-DC converter, described charging circuit is electrically connected with the output of DC-DC converter, pressure limiting circuit is electrically connected with the DC-DC converter, and charging circuit is electrically connected with charged state indicator light and the charging port of being located on the housing respectively.
2. solar mobile phone charging device according to claim 1 is characterized in that, described solar panel is electrically connected with the DC-DC converter by л mode filter (7).
3. solar mobile phone charging device according to claim 1 is characterized in that, described charged state indicator light is for can send light-emitting diode red, green bi-coloured light.
4. solar mobile phone charging device according to claim 1 is characterized in that, described DC-DC converter is electrically connected with charging circuit by filter circuit (8).
5. solar mobile phone charging device according to claim 1 is characterized in that, described solar panel is 4, uniformly-spaced is arranged on the upper surface of housing.
6. solar mobile phone charging device according to claim 4 is characterized in that, described filter circuit comprises inductance and two electric capacity, described electric capacity one end ground connection, and the electric capacity other end is electrically connected with inductance one end.
7. according to claim 1 or 2 or 3 or 4 or 5 or 6 described solar mobile phone charging devices, it is characterized in that the output voltage of DC-DC converter is 3.7 volts to 4.2 volts.
8. according to claim 1 or 2 or 3 or 4 or 5 or 6 described solar mobile phone charging devices, the material that solar panel adopts is crystal silicon body material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206878285U CN203119508U (en) | 2012-12-13 | 2012-12-13 | Solar mobile phone charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206878285U CN203119508U (en) | 2012-12-13 | 2012-12-13 | Solar mobile phone charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203119508U true CN203119508U (en) | 2013-08-07 |
Family
ID=48899824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206878285U Expired - Fee Related CN203119508U (en) | 2012-12-13 | 2012-12-13 | Solar mobile phone charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203119508U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973758A (en) * | 2018-08-31 | 2018-12-11 | 金华安靠电源科技有限公司 | A kind of charging recognition methods of charging system for electric automobile and electric car charging circuit |
-
2012
- 2012-12-13 CN CN2012206878285U patent/CN203119508U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973758A (en) * | 2018-08-31 | 2018-12-11 | 金华安靠电源科技有限公司 | A kind of charging recognition methods of charging system for electric automobile and electric car charging circuit |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204012843U (en) | Multifunctional portable power source | |
| CN104124737A (en) | Multifunctional mobile power source | |
| CN202586392U (en) | Portable mini solar power supply device | |
| CN201925741U (en) | Solar flashlight | |
| CN203119508U (en) | Solar mobile phone charger | |
| CN204349545U (en) | Quick charge portable power source | |
| CN103064325B (en) | Multiple-channel output control circuit | |
| CN202798064U (en) | Vehicle-mounted universal serial bus (USB) charging circuit | |
| CN203859332U (en) | Emergency patch board with USB | |
| CN203119566U (en) | Solar charger for converting polycrystalline silicon and amorphous silicon solar cell panels with each other | |
| CN208423854U (en) | A kind of mobile power source and its discharge circuit | |
| CN104852426A (en) | Solar-based smart watch charging base | |
| CN204391451U (en) | A kind of USB multi-function jack with charging instruction | |
| CN204967348U (en) | Novel two couple portable power source of putting that fill | |
| CN202817836U (en) | Mobile optical power circuit | |
| CN203406650U (en) | Electric vehicle charger with USB function | |
| CN203456886U (en) | Vehicle-mounted charging adapter applicable to mobile phones and tablet computers | |
| CN202957316U (en) | Rechargeable battery facilitating plugging of connecting wires | |
| CN202183626U (en) | Charger with polarity conversion | |
| CN203193297U (en) | Mobile terminal charge connecting device | |
| CN206695056U (en) | A kind of lithium electricity storage control integrated device of solar street light | |
| CN203261510U (en) | LED intelligent power-supply driving | |
| CN202333887U (en) | Solar direct-current power supply system | |
| CN207010324U (en) | A kind of wireless variable frequency charger | |
| CN201160104Y (en) | Emergency charger for mobile telephone of dry cell USB socket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20131213 |