CN201629587U - Portable power supply capable of being charged through solar energy - Google Patents
Portable power supply capable of being charged through solar energy Download PDFInfo
- Publication number
- CN201629587U CN201629587U CN201020105996XU CN201020105996U CN201629587U CN 201629587 U CN201629587 U CN 201629587U CN 201020105996X U CN201020105996X U CN 201020105996XU CN 201020105996 U CN201020105996 U CN 201020105996U CN 201629587 U CN201629587 U CN 201629587U
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- Prior art keywords
- circuit module
- power supply
- control circuit
- power
- charging
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- 238000007600 charging Methods 0.000 claims abstract description 38
- 229910052751 metal Inorganic materials 0.000 claims abstract description 4
- 239000002184 metal Substances 0.000 claims abstract description 4
- 230000005611 electricity Effects 0.000 claims description 9
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 2
- 229910052744 lithium Inorganic materials 0.000 claims description 2
- 238000007599 discharging Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 10
- 238000000034 method Methods 0.000 description 6
- 230000003213 activating effect Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model discloses a portable power supply, which comprises a shell (1), a solar panel (6) and a power supply, wherein the solar panel (6) is arranged on the surface of the shell (1), and the power supply is arranged in the inner portion of the shell (1). The portable power supply further comprises a charging circuit module (102) and a control circuit module (101), wherein the charging circuit module (102) charges for the power supply through the solar panel (6), and the control circuit module (101) obtains power supply voltage information from the charging circuit module (102) and controls a charging mode of the charging circuit module (102). The portable power supply further comprises a discharge circuit module (103) which supplies information whether locating in a discharge state for the control circuit module (101). The discharge circuit module (103) further comprises a grounding end and metal connecting pieces of grounding ends of the charging circuit module (102) and the control circuit module (101), wherein the grounding end is connected with the discharge circuit module (103) when the power supply is located in the discharging state. Because the current is small in non-work period, compared with the prior art, the standby time of the portable power supply is greatly increased.
Description
Technical field
The utility model relates to portable power source, relate in particular to a kind of can be by solar recharging, need not to activate, have electric quantity of power supply deixis and the long compact power of stand-by time with alternating current.
Background technology
At present, for example mobile phone, MP3 etc. are universal day by day for mobile electronic equipment.Most equipment all is equipped with storage battery.Charging modes to electronic equipment generally has at present: directly electronic equipment is linked to each other with the 220V AC power by charger; Perhaps battery is taken off, battery is contained in the specific charger links to each other with the 220V AC power.Existing charging modes all needs to rely on the 220V civil power.But some such as mankind's activities such as mountain-climbing, cross-country, explorations in, the user often can't search out the 220V AC power easily, thereby can not cause user's inconvenience in time to the electronic equipment charging.
Based on this, some portable emergency power supplies are manufactured to come out.For example publication number is that the Chinese patent application of CN1747277A discloses a kind of removable supply unit, and the multiple modes such as solar energy, alternating current of can passing through are given power source charges.When being necessary, this power supply can charge to electronic equipment.
One of shortcoming of existing solar portable formula power supply is that some power supplys are full of the electricity back if the free time places, and the kwh loss of storage inside is very fast.
Another shortcoming of existing solar portable formula power supply is that some power supplys can't directly charge by solar energy after electric weight exhausts, but needs can use solar recharging by after 220V power source charges a period of time.
Whether another shortcoming of existing solar portable formula power supply is there is not the electric quantity of power supply deixis, does not know to also have how many dump energies in the power supply, need to charge again.
The utility model content
In order to overcome the shortcoming of above-mentioned prior art, the utility model provide a kind of have comprise can be by solar recharging multiple charging modes, need not to activate, have the compact power of advantages such as electric quantity of power supply deixis and stand-by time are long with alternating current.
The utility model solves above-mentioned technical problem by the following technical programs: construct a kind of can be by the compact power of solar recharging, comprise housing, be contained in the solar energy electroplax of surface of shell, be contained in the power supply of enclosure interior, also comprise and be contained in the charging circuit module of utilizing the solar energy electroplax that described power supply is charged in the housing, obtain supply voltage information from the charging circuit module, and the control circuit module of control charging circuit module charge mode, comprise also to described control circuit module the discharge circuit that whether is in discharge condition information module is provided that wherein said discharge circuit module further is included in described power supply connects the earth terminal of the earth terminal of described discharge circuit module and described charging circuit module and described control circuit module when being positioned at discharge condition metal connecting piece.
In above-mentioned compact power, described charging circuit module comprises and is used to prevent the diode of described power supply to the reverse charging of described solar energy electroplax.
In above-mentioned compact power, also comprise electricity quantity display module, described electricity quantity display module comprises monochrome photodiode, two-color diode, and be installed in electric weight indicator cock on the housing, wherein: when the electric weight indicator cock is opened or described power supply when being in discharge condition described control circuit module luminous according to described monochrome photodiode of described supply voltage information Control and described two-color diode.
In above-mentioned compact power,, described monochrome photodiode, two-color diode are aimed at the indicator lamp hole on the described housing together.
In above-mentioned compact power, described power supply is that output voltage is the lithium battery of 5.5V direct current.
In above-mentioned compact power, described control circuit module (101) comprises the single-chip microcomputer that model is SN8P2711.
Implement of the present utility model can be by the compact power of solar recharging because the ground connection of amplifying circuit module and the ground connection of other module are not to link together all the time, have only when power consumption equipment with after power shell is connected, two kinds of ground connection just can be electrically connected.Specifically, when power consumption equipment did not insert, two kinds of ground connection were not electrically connected, and circuit is in open-circuit condition.Therefore the stand-by time of the utility model power supply compared with prior art increases greatly.Simultaneously, the utility model has adopted novel solar energy electroplax, and the conversion efficiency of electroplax is compared raising with electroplax in the past, and adds a diode, prevents the reverse charging of power supply to the solar energy electroplax.Thereby after the electric weight of power supply exhausts, do not need to be connected on activating power on the 220V power supply, only need under shining upon, can start charging process.The utility model has designed electric weight indicator light and corresponding internal circuit, intuitively in the display power supply dump energy how much.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation that the utility model can pass through the compact power embodiment of solar recharging;
Fig. 2 shows the logic diagram of circuit in the embodiment power supply;
Fig. 3 shows each the pin schematic diagram that is used as the single-chip microcomputer SN8P2711 of control in an embodiment;
Fig. 4 shows the detailed circuit diagram of charging circuit module among the embodiment;
Fig. 5 shows the detailed circuit diagram of discharge circuit module among the embodiment;
Fig. 6 shows the detailed circuit diagram of the electricity quantity display module that comprises control module among the embodiment.
Embodiment
Fig. 1 shows the outside drawing of embodiment.Wherein, be connected with hand band 2 on the power shell 1, to be convenient for carrying.Lead-out terminal 2 and input terminal 4 are arranged on the power shell 1.After power consumption equipment such as mobile phone and lead-out terminal 2 were connected by output connecting line (not shown), power shell 1 was in discharge condition, can charge to power consumption equipment.In the present embodiment, be output as direct current 5.5V voltage stabilizing.Can also export the DC voltage-stabilizing of 3V, 6V, 9V in other embodiments.When input terminal 4 was connected with extraneous power supply by input connecting line (not shown), power shell 1 was in charged state, gave power shell 1 charging by external power supply.Though not shown, power shell 1 uses Li battery storage electric weight.The external power supply of embodiment shown in Figure 1 is the USB mouth.In another embodiment, external power supply is the 220V AC power.
Fig. 2 shows the modularization schematic diagram of the circuit in the power supply.Circuit is made up of control circuit module 101, charging circuit module 102, discharge circuit module 103 and electricity quantity display module 104.Arrow 105 expression control circuit module 101 can be controlled the charge mode of charging circuit module.Arrow 107 expression control circuit module 101 can be obtained supply voltage information from charging circuit module 102.Arrow 106 expression control circuit module 101 can be controlled electricity quantity display module 104 to show dump energy to the user.Arrow 108 expression control circuit module 101 can obtain the information whether discharge circuit module 103 is in discharge condition.Use single-chip microcomputer SN8P2711 as control circuit module in the present embodiment.Fig. 3 shows each the pin schematic diagram as the single-chip microcomputer SN8P2711 of control.Wherein, pin one is power vd D, and pin two is used to control the emitting red light diode, and pin 3 (Key) is used to judge whether the user presses the electric weight indicator cock; Pin 4 is the REST that resets; Pin 5,6 is PM, PWM, is used to control charge mode; Whether outwards pin 7 (AD3) is used to judge power supply discharge; Pin 8 (AD4) is used to judge whether power supply is in charged state; Pin 9 meets reference level VREF; Pin one 0 (AD1) and 11 (AD2) are used to obtain the current magnitude of voltage of power supply; Pin one 2 (G), 13 (R) are used to control dichromatic LED, and pin one 4 is earth terminal (VSS).
Fig. 4 shows the detailed circuit diagram of charging circuit module.Wherein three terminals 402 link to each other with the respective terminal of single-chip microcomputer.The utility model has adopted novel solar energy electroplax, and the conversion efficiency of electroplax is compared raising with electroplax in the past, reaches 16%, and the output voltage of 5.0V can be provided.Simultaneously, the utility model has improved circuit, adds a diode 401 in charging circuit module 102, prevents the reverse charging of power supply to the solar energy electroplax.Thereby after the electric weight of power supply exhausts, do not need to be connected on activating power on the 220V power supply, only need under shining upon, can start charging process.
Single-chip microcomputer SN8P2711 can control the automatic charging process of power supply.Specifically, single-chip microcomputer obtains the current magnitude of voltage that can outwards provide of power supply from pin AD1, AD2, and the reference voltage level that obtains with pin VREF place relatively, judges whether power supply needs to charge.Single-chip microcomputer is controlled the output voltage of pin PWM according to judged result then, and then controls charging process.The PWM pin can be controlled charging module and be in three kinds of states: common charged state, trickle charge state and non-charged state.
Fig. 5 shows the detailed circuit diagram of discharge circuit module.Wherein three terminals 501 link to each other with the respective terminal of single-chip microcomputer.The ground connection of amplifying circuit module 103 of the present utility model and the ground connection of other modules are inconsistent, represent with del among the figure.Have only when power consumption equipment with after power shell 1 is connected, two kinds of ground connection just can be electrically connected.When power consumption equipment did not insert, two kinds of ground connection were not electrically connected, and circuit is in open-circuit condition.Though not shown, the discharge circuit module further comprises a metal connecting piece, in order to connect two kinds of earth terminals in discharge condition.Therefore the stand-by time of present embodiment compared with prior art increases greatly, generally can be 3 months to 3 years.
Fig. 6 shows the detailed circuit diagram of the electricity quantity display module that comprises control module.The utility model uses a common monochrome photodiode D10 and a double-colored diode D11 to realize luminous.When electric weight indicator cock 5 for opening or when power supply is in outside discharge process, the size of the interior dump energy of electric weight display lamp indication power supply.Specifically, when the user pressed electric weight indicator cock 5, the state that causes pin key changed.Perhaps whether single-chip microcomputer is in outside discharge process from pin AD3 acquisition power supply.Then, obtain the current magnitude of voltage that can outwards provide of power supply from pin AD1, AD2 again, and then control pin two, 12,13 voltage, corresponding lumination of light emitting diode controlled.
Following table has been listed the relation of dump energy in the color of the light that the electric weight indicator light sends and the battery:
| Dump energy/battery capacity | Cell voltage | Luminance |
| Be lower than 25% | Be lower than 3.50V | Do not work |
| Dump energy/battery capacity | Cell voltage | Luminance |
| 25％-50％ | 3.50V-3.70V | Rubescent look |
| 50％-75％ | 3.70V-3.90V | Send out orange |
| Be higher than 75% | 3.90V-4.2V | Green-emitting |
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; all any modifications of within spirit of the present utility model and principle, being done, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.
Claims (6)
1. compact power, comprise housing (1), be contained in the solar energy electroplax (6) on housing (1) surface, be contained in the inner power supply of housing (1), it is characterized in that, also comprise and be contained in the charging circuit module (102) of utilizing solar energy electroplax (6) that described power supply is charged in the housing (1), obtain supply voltage information from charging circuit module (102), and the control circuit module (101) of control charging circuit module (102) charge mode, comprise also to described control circuit module (101) the discharge circuit module that whether is in discharge condition information (103) is provided that wherein said discharge circuit module (103) further is included in described power supply connects the earth terminal of the earth terminal of described discharge circuit module (103) and described charging circuit module (102) and described control circuit module (101) when being positioned at discharge condition metal connecting piece.
2. according to the described compact power of claim 1, it is characterized in that described charging circuit module (102) comprises and is used to prevent the diode of described power supply to the reverse charging of described solar energy electroplax (6).
3. according to claim 1 or 2 described compact powers, it is characterized in that, also comprise electricity quantity display module (104), described electricity quantity display module (104) comprises monochrome photodiode, two-color diode, and be installed in electric weight indicator cock (5) on the housing (1), wherein: when electric weight indicator cock (5) is opened or described power supply when being in discharge condition described control circuit module (101) luminous according to described monochrome photodiode of described supply voltage information Control and described two-color diode.
4. according to the described compact power of claim 3, it is characterized in that described monochrome photodiode, two-color diode are aimed at the indicator lamp hole (3) on the described housing (1).
5. according to the described compact power of claim 3, it is characterized in that described power supply is that output voltage is the lithium battery of 5.5V direct current.
6. according to the described compact power of claim 3, it is characterized in that described control circuit module (101) comprises the single-chip microcomputer that model is SN8P2711.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020105996XU CN201629587U (en) | 2010-01-27 | 2010-01-27 | Portable power supply capable of being charged through solar energy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020105996XU CN201629587U (en) | 2010-01-27 | 2010-01-27 | Portable power supply capable of being charged through solar energy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201629587U true CN201629587U (en) | 2010-11-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020105996XU Expired - Fee Related CN201629587U (en) | 2010-01-27 | 2010-01-27 | Portable power supply capable of being charged through solar energy |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201629587U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348214A (en) * | 2013-08-09 | 2015-02-11 | 惠州市吉瑞科技有限公司 | Charger with overvoltage and overcurrent protection and protection method thereof |
| WO2017156745A1 (en) * | 2016-03-17 | 2017-09-21 | 石姗姗 | Power generation apparatus of portable device |
-
2010
- 2010-01-27 CN CN201020105996XU patent/CN201629587U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104348214A (en) * | 2013-08-09 | 2015-02-11 | 惠州市吉瑞科技有限公司 | Charger with overvoltage and overcurrent protection and protection method thereof |
| CN104348214B (en) * | 2013-08-09 | 2019-04-12 | 惠州市吉瑞科技有限公司 | Charger and its guard method with over-voltage over-current protection |
| WO2017156745A1 (en) * | 2016-03-17 | 2017-09-21 | 石姗姗 | Power generation apparatus of portable device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101110 Termination date: 20150127 |
|
| EXPY | Termination of patent right or utility model |