CN205248873U - Solar charging circuit - Google Patents
Solar charging circuit Download PDFInfo
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- CN205248873U CN205248873U CN201521108204.3U CN201521108204U CN205248873U CN 205248873 U CN205248873 U CN 205248873U CN 201521108204 U CN201521108204 U CN 201521108204U CN 205248873 U CN205248873 U CN 205248873U
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Abstract
The utility model provides a solar charging circuit, including solar cell panel, commercial power filtering input circuit, change over switch, charging circuit and battery E, solar cell panel and commercial power filtering input circuit are connected with charging circuit through change over switch respectively. The utility model discloses can select solar charging and commercial power to charge two kinds of power supply modes and use solar cell panel, carry out the DC voltage transform for giving phone cell charger behind the stable voltage through the circuit, circuit structure is simple, moreover owing to do not use any chip, and the safety and stability, interference immunity is strong, and can not treat rechargeable battery and cause the damage, can select solar charging and the commercial power two kinds of power supply modes of charging, can use solar charging under the sufficient condition of illumination, the energy saving selects the commercial power to charge when illumination is not enough, and application scope is wide.
Description
Technical field
The utility model relates to charging technique field, is specifically related to a kind of solar charging circuit.
Background technology
At present, mobile phone charging is all with the charger of mobile phone itself or multifunctional charger charging, stillDue to for a long time outside, after electric quantity consumption of mobile phone is complete, have no idea to charge, cause people to miss much importantPhone, brings unnecessary trouble to people's life and cause.
Utility model content
The purpose of this utility model is for the deficiencies in the prior art, and a kind of solar charging circuit is provided,This solar charging circuit can address the above problem well.
For reaching above-mentioned requirements, the technical scheme that the utility model is taked is: a kind of solar recharging electricity is providedRoad, this solar charging circuit comprises solar panel, civil power filtering input circuit, change-over switch, fillsElectricity circuit and battery E, solar panel and civil power filtering input circuit are respectively by change-over switch and chargingCircuit connects; The a end of charging circuit is connected with respectively capacitor C 1 one end, resistance R 1 one end, resistance R 3The positive pole of one end, resistance R 5 one end and diode VD1, the negative pole of diode VD1 connects respectively electric capacityCoil L1 one end of C4 one end and transformer T1, the coil L1 other end connect respectively capacitor C 4 other ends,The colelctor electrode of the colelctor electrode of triode VT3 and triode VT4, the base stage of triode VT4 connects respectively electricityEmitter stage and resistance R 9 one end of resistance R8 one end, triode VT3, the emitter stage of triode VT4 connectsResistance R 9 other ends; The b end of charging circuit be connected with respectively capacitor C 1 other end, resistance R 2 one end,Resistance R 4 one end, resistance R 6 one end and resistance R 9 other ends ground connection, resistance R 2 other ends connect respectivelyThe base stage of resistance R 1 other end and triode VT1, the colelctor electrode of triode VT1 is contact resistance R3 respectivelyThe base stage of the other end and triode VT2, the colelctor electrode of triode VT2 respectively the contact resistance R5 other end,Capacitor C 3 one end and resistance R 7 one end, capacitor C 3 other ends are the contact resistance R7 other end, triode respectivelyThe base stage of VT3 and resistance R 8 other ends, the emitter stage of triode VT1 connects respectively capacitor C 2 one end and electricityThe resistance R4 other end, capacitor C 2 other ends emitter stage and resistance R 6 other ends of connecting triode VT2 respectively;Coil L2 one end of transformer T1 connects the pin 1 of rectifier bridge Q, and the other end connects the pin of rectifier bridge Q3, the pin 2 of rectifier bridge Q connects respectively capacitor C 5 one end and resistance R 10 one end, resistance R 10 other endsConnect battery E positive pole, battery E negative pole connects respectively the pin 4 of capacitor C 5 other ends and rectifier bridge Q.
Further, civil power filtering input circuit comprises transformer T2 and inductance L 5, the coil of transformer T2The electrical connection of L3Yu city, coil L4 one end of transformer T2 connects respectively diode VD2 positive pole and resistance R 11,Resistance R 11 other ends are connected with diode VD2 negative pole by capacitor C 6, and diode VD2 negative pole connects electricityHold C7 one end, capacitor C 8 one end, resistance R 12 one end and inductance L 5 pins 1, the coil of transformer T2The L4 other end connects respectively capacitor C 7 other ends, capacitor C 8 other ends, resistance R 12 and inductance L 5 pins2 one end ground connection, inductance L 5 pins 3 connect change-over switch, 4 connection charging circuit b of inductance L 5 pinEnd.
Further, battery E is lithium battery.
Compared with prior art, the advantage that this solar charging circuit has is:
(1) use solar panel, through circuit after to carry out DC voltage conversion be stable voltage to mobile phoneBattery charging, circuit structure is simple, and owing to not using any chip, safety and stability, anti-interferenceCan treat rechargeable battery by force, and not and cause damage;
(2) can select solar recharging and commercial power charged two kinds of power supply modes, the in the situation that of illumination abundanceCan use solar recharging, save the energy, in the time that illumination is not enough, select commercial power charged, applied widely.
Brief description of the drawings
Accompanying drawing described herein is used to provide further understanding of the present application, forms the application's a part,In these accompanying drawings, represent same or analogous part with identical reference number, the application's is schematicEmbodiment and explanation thereof are used for explaining the application, do not form the improper restriction to the application. In the accompanying drawings:
Fig. 1 is the application's circuit diagram.
Detailed description of the invention
For making the application's object, technical scheme and advantage clearer, below in conjunction with accompanying drawing and specifically enforcementExample, is described in further detail the application.
In the following description, drawing " embodiment ", " embodiment ", " example ", " example " etc.With showing that embodiment or the example so described can comprise special characteristic, structure, characteristic, character, elementOr limit, but be not each embodiment or example must comprise special characteristic, structure, characteristic, character,Element or limit. In addition, reuse phrase " according to the application embodiment " although likely refer toIdentical embodiment, but not must refer to identical embodiment.
For the sake of simplicity, omitted and well known to a person skilled in the art some technical characterictic in below describing.
According to the application embodiment, a kind of solar charging circuit is provided, as shown in Figure 1, compriseSolar panel, civil power filtering input circuit, change-over switch, charging circuit and battery E, solar-electricityPond plate is connected with charging circuit by change-over switch respectively with civil power filtering input circuit; The a end of charging circuitBe connected with respectively capacitor C 1 one end, resistance R 1 one end, resistance R 3 one end, resistance R 5 one end and diodeThe positive pole of VD1, the negative pole of diode VD1 connects respectively the coil L1 of capacitor C 4 one end and transformer T1One end, the coil L1 other end connects respectively colelctor electrode and the triode of capacitor C 4 other ends, triode VT3The colelctor electrode of VT4, the base stage of triode VT4 is the transmitting of contact resistance R8 one end, triode VT3 respectivelyThe utmost point and resistance R 9 one end, the emitter stage contact resistance R9 other end of triode VT4; The b end of charging circuitBe connected with respectively capacitor C 1 other end, resistance R 2 one end, resistance R 4 one end, resistance R 6 one end and resistanceThe R9 other end ground connection, the base of resistance R 2 other ends difference contact resistance R1 other ends and triode VT1The utmost point, the colelctor electrode difference contact resistance R3 other end of triode VT1 and the base stage of triode VT2, three utmost pointsThe colelctor electrode of pipe VT2 is the contact resistance R5 other end, capacitor C 3 one end and resistance R 7 one end respectively, electric capacityThe C3 other end is base stage and resistance R 8 other ends of the contact resistance R7 other end, triode VT3 respectively, and threeThe emitter stage of utmost point pipe VT1 connects respectively capacitor C 2 one end and resistance R 4 other ends, and capacitor C 2 other ends divideThe emitter stage of other connecting triode VT2 and resistance R 6 other ends; Coil L2 one end of transformer T1 connectsThe pin 1 of rectifier bridge Q, the other end connects the pin 3 of rectifier bridge Q, and the pin 2 of rectifier bridge Q connects respectivelyConnect capacitor C 5 one end and resistance R 10 one end, resistance R 10 other ends connect battery E positive pole, battery ENegative pole connects respectively the pin 4 of capacitor C 5 other ends and rectifier bridge Q.
According to the application embodiment, civil power filtering input circuit comprises transformer T2 and inductance L 5,The coil L3Yu city electrical connection of transformer T2, coil L4 one end of transformer T2 connects respectively diode VD2Positive pole and resistance R 11, resistance R 11 other ends are connected with diode VD2 negative pole by capacitor C 6, two utmost pointsPipe VD2 negative pole connects capacitor C 7 one end, capacitor C 8 one end, resistance R 12 one end and inductance L 5 pins 1,The coil L4 other end of transformer T2 connects respectively capacitor C 7 other ends, capacitor C 8 other ends, resistanceR12 and inductance L 5 pin 2 one end ground connection, inductance L 5 pins 3 connect change-over switch, inductance L 5 pins4 connection charging circuit b ends.
According to the application embodiment, battery E is lithium battery.
The utility model can be selected solar recharging and commercial power charged two kinds of power supply modes, in illumination abundanceIn situation, change-over switch is pushed to 1 grade, adopt and use solar recharging, save the energy; In the time that illumination is not enoughConnect civil power, change-over switch is pushed to 3 grades, can realize commercial power charged, applied widely.
The above embodiment only represents several embodiment of the present utility model, and it describes comparatively concrete and detailedCarefully, but can not be interpreted as the restriction to the utility model scope. It should be pointed out that for this areaThose of ordinary skill, without departing from the concept of the premise utility, can also make some distortionAnd improvement, these all belong to the utility model protection domain. Therefore protection domain of the present utility model should be withDescribed claim is as the criterion.
Claims (3)
1. a solar charging circuit, is characterized in that: comprise solar panel, civil power filtering inputCircuit, change-over switch, charging circuit and battery E, described solar panel and civil power filtering input circuitBe connected with charging circuit by change-over switch respectively; The a end of described charging circuit is connected with respectively capacitor C 1 oneThe positive pole of end, resistance R 1 one end, resistance R 3 one end, resistance R 5 one end and diode VD1, described twoThe negative pole of utmost point pipe VD1 connects respectively coil L1 one end of capacitor C 4 one end and transformer T1, described coilThe L1 other end connects respectively the colelctor electrode of capacitor C 4 other ends, triode VT3 and the current collection of triode VT4The utmost point, the base stage of described triode VT4 is emitter stage and the electricity of contact resistance R8 one end, triode VT3 respectivelyResistance R9 one end, the emitter stage contact resistance R9 other end of described triode VT4; The b of described charging circuitEnd is connected with respectively capacitor C 1 other end, resistance R 2 one end, resistance R 4 one end, resistance R 6 one end and electricityThe resistance R9 other end ground connection, described resistance R 2 other ends contact resistance R1 other end and triode VT1 respectivelyBase stage, the colelctor electrode of described triode VT1 is the base of the contact resistance R3 other end and triode VT2 respectivelyThe utmost point, the colelctor electrode of described triode VT2 is the contact resistance R5 other end, capacitor C 3 one end and resistance respectivelyR7 one end, described capacitor C 3 other ends respectively the contact resistance R7 other ends, triode VT3 base stage andResistance R 8 other ends, the emitter stage of described triode VT1 connect respectively capacitor C 2 one end and resistance R 4 anotherOne end, described capacitor C 2 other ends emitter stage and resistance R 6 other ends of connecting triode VT2 respectively; InstituteCoil L2 one end of stating transformer T1 connects the pin 1 of rectifier bridge Q, and the other end connects drawing of rectifier bridge QPin 3, the pin 2 of rectifier bridge Q connects respectively capacitor C 5 one end and resistance R 10 one end, and resistance R 10 is anotherOne end connects battery E positive pole, and battery E negative pole connects respectively capacitor C 5 other ends and rectifier bridge QPin 4.
2. solar charging circuit according to claim 1, is characterized in that: described civil power filtering is defeatedEnter circuit and comprise transformer T2 and inductance L 5, the coil L3Yu city electrical connection of described transformer T2, transformationCoil L4 one end of device T2 connects respectively the anodal and resistance R 11 of diode VD2, described resistance R 11 anotherEnd is connected with diode VD2 negative pole by capacitor C 6, and described diode VD2 negative pole connects capacitor C 7 oneEnd, capacitor C 8 one end, resistance R 12 one end and inductance L 5 pins 1, the coil L4 of transformer T2 anotherEnd connects respectively capacitor C 7 other ends, capacitor C 8 other ends, resistance R 12 and inductance L 5 pin 2 one endAnd ground connection, described inductance L 5 pins 3 connect change-over switch, 4 connection charging circuit b of inductance L 5 pinEnd.
3. solar charging circuit according to claim 1, is characterized in that: described battery E isLithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521108204.3U CN205248873U (en) | 2015-12-26 | 2015-12-26 | Solar charging circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521108204.3U CN205248873U (en) | 2015-12-26 | 2015-12-26 | Solar charging circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205248873U true CN205248873U (en) | 2016-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521108204.3U Expired - Fee Related CN205248873U (en) | 2015-12-26 | 2015-12-26 | Solar charging circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205248873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391142A (en) * | 2015-12-26 | 2016-03-09 | 四川科技职业学院 | Solar charging circuit |
-
2015
- 2015-12-26 CN CN201521108204.3U patent/CN205248873U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105391142A (en) * | 2015-12-26 | 2016-03-09 | 四川科技职业学院 | Solar charging circuit |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160518 Termination date: 20161226 |