CN205335894U - Convenient and practical's portable battery charger - Google Patents
Convenient and practical's portable battery charger Download PDFInfo
- Publication number
- CN205335894U CN205335894U CN201521119436.9U CN201521119436U CN205335894U CN 205335894 U CN205335894 U CN 205335894U CN 201521119436 U CN201521119436 U CN 201521119436U CN 205335894 U CN205335894 U CN 205335894U
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Abstract
The utility model discloses a convenient and practical's portable battery charger, including resistance R1, resistance R2, diode D3, triode V1 and chip IC1, inductance L1, power E and chip IC1's pin 8 is connected to diode D3's negative pole, chip IC1's pin 2 connecting resistance R1, resistance R2, electric capacity C3 and electric capacity C4, and diode D1's negative pole, inductance L2, electric capacity C5 and load A, power E's negative pole connecting resistance R2's the other end, resistance R5, electric capacity C2, electric capacity C5, diode D3's positive pole and chip IC1's pin 4 are connected to resistance R1's the other end. The utility model discloses convenient and practical's portable battery charger passes through the combination of switcher chip, triode, inductance, has realized the purpose of utilizing 2 sections dry batteries to charge for the cell -phone, still has the advantage of stabilizing charging voltage simultaneously, has avoided consequently having the advantage of convenient to use, simple structure and stable performance because of doing under -voltage the charging that battery power descends and causes.
Description
Technical field
This utility model relates to a kind of charger, specifically a kind of convenient and practical portable charger。
Background technology
Rechargeable battery is a kind of conventional article in people's daily life, a lot of portable mobile equipments all can use rechargeable battery, and battery itself has certain discharge and recharge number of times, general battery only has 2 ~ 3 years, owing to carried charge is limited, therefore most people likes carrying with portable power source, and portable power source is a kind of portable charger integrating power supply and charge function, it is possible to charge whenever and wherever possible to the digital equipment such as mobile phone, panel computer。Generally by lithium cell as charge storage unit, convenient to use, portable power source existing at present needs charged in advance mostly, and for long-term in the wild or take the people of long-distance bus, even if having charger baby also cannot meet long use, it is therefore desirable to design a kind of charging using aneroid battery to charge the phone。
Utility model content
The purpose of this utility model is in that to provide a kind of convenient and practical portable charger, with the problem solving to propose in above-mentioned background technology。
For achieving the above object, this utility model provides following technical scheme:
A kind of convenient and practical portable charger, including resistance R1, resistance R2, diode D3, audion V1 and chip IC 1, the negative electrode of described diode D3 connects inductance L1, the pin 8 of power supply E and chip IC 1, the pin 2 of chip IC 1 connects resistance R1, resistance R2, electric capacity C3 and electric capacity C4, the other end of resistance R1 connects the negative electrode of diode D1, inductance L2, electric capacity C5 and load A, the negative pole of power supply E connects the other end of resistance R2, resistance R5, electric capacity C2, electric capacity C5, the anode of diode D3 and the pin 4 of chip IC 1, the other end of electric capacity C3 connects resistance R3, the other end of resistance R3 connects the other end of electric capacity C2, the other end of electric capacity C4 and the pin 3 of chip IC 1, the base stage of the pin 5 connecting triode V1 of chip IC 1, the pin 6 of chip IC 1 connects resistance R6, the other end of resistance R6 connects the negative electrode of diode D2, the anode of diode D2 connects the other end of electric capacity C1 and inductance L2。The other end of inductance L1 connects the anode of diode D1 and the colelctor electrode of audion V1, and the emitter stage of audion V1 connects the other end of resistance R5 and the pin 7 of chip IC 1, and the model of chip IC 1 is LM3578。
As preferred version of the present utility model: described power supply E is 2 joint 1.5V aneroid battery。
Compared with prior art, the beneficial effects of the utility model are: the convenient and practical portable charger of this utility model by switch chip, audion, inductance combination, achieve the purpose utilizing 2 joint aneroid battery to charge the phone, the advantage also with constant charge voltage simultaneously, avoid the under-voltage charging because the decline of aneroid battery electricity causes, the advantage therefore with easy to use, simple in construction and stable performance。
Accompanying drawing explanation
Fig. 1 is for convenience of the circuit diagram of practical portable charger。
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is clearly and completely described, it is clear that described embodiment is only a part of embodiment of this utility model, rather than whole embodiments。Based on the embodiment in this utility model, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of this utility model protection。
Refer to Fig. 1, a kind of convenient and practical portable charger, including resistance R1, resistance R2, diode D3, audion V1 and chip IC 1, the negative electrode of described diode D3 connects inductance L1, the pin 8 of power supply E and chip IC 1, the pin 2 of chip IC 1 connects resistance R1, resistance R2, electric capacity C3 and electric capacity C4, the other end of resistance R1 connects the negative electrode of diode D1, inductance L2, electric capacity C5 and load A, the negative pole of power supply E connects the other end of resistance R2, resistance R5, electric capacity C2, electric capacity C5, the anode of diode D3 and the pin 4 of chip IC 1, the other end of electric capacity C3 connects resistance R3, the other end of resistance R3 connects the other end of electric capacity C2, the other end of electric capacity C4 and the pin 3 of chip IC 1, the base stage of the pin 5 connecting triode V1 of chip IC 1, the pin 6 of chip IC 1 connects resistance R6, the other end of resistance R6 connects the negative electrode of diode D2, the anode of diode D2 connects the other end of electric capacity C1 and inductance L2。The other end of inductance L1 connects the anode of diode D1 and the colelctor electrode of audion V1, and the emitter stage of audion V1 connects the other end of resistance R5 and the pin 7 of chip IC 1, and the model of chip IC 1 is LM3578。
Power supply E is 2 joint 1.5V aneroid battery。
Operation principle of the present utility model is: the core devices IC1 of circuit is monolithic PWM switch controller, and inside comprises agitator, reference voltage, error amplification and drives the four big functions such as audion。External circuit connects electric capacity C1 C6, resistance R1～R6, inductance L1 and L2, also has the composition DC/DC booster circuits such as power switch V11, and wherein 3 feet of IC1 connect C2 decision frequency of oscillation and are about 50kHz。The favourable switch of C3, R3 and C4 is in connection status。6 feet of chip IC 1 are connected with output voltage by R6 and D2。To increase driving force, L2 and the C6 in circuit is that 5 feet of chip IC 1 meet audion V1, sample resistance R5 and are connected to 7 feet of IC1, to control maximum operating currenbt in order to prevent output and input from causing unwanted oscillation。Two joint aneroid battery composition power supply E access output voltage VCC after circuit, and switch controller IC1 starts working, the square-wave signal of output when V1 amplifies and flows through energy storage inductor L1, V1 conducting, L1 energy storage；During V1 cut-off, L1 discharges electric energy by booster diode D1, then obtains the booster voltage being several times as much as VCC on electric capacity C5。Error amplifier end of oppisite phase i.e. 1 foot is sent into through resistance R1 and R2 sampling in this voltage one tunnel, makes output voltage remain stable for；Colelctor electrode i.e. 6 foot of IC1 internal drive pipe is sent on another road, to increase the injection current of V1, provides burning voltage to load A simultaneously。
Claims (3)
1. portable charger one kind convenient and practical, including resistance R1, resistance R2, diode D3, audion V1 and chip IC 1, it is characterized in that, the negative electrode of described diode D3 connects inductance L1, the pin 8 of power supply E and chip IC 1, the pin 2 of chip IC 1 connects resistance R1, resistance R2, electric capacity C3 and electric capacity C4, the other end of resistance R1 connects the negative electrode of diode D1, inductance L2, electric capacity C5 and load A, the negative pole of power supply E connects the other end of resistance R2, resistance R5, electric capacity C2, electric capacity C5, the anode of diode D3 and the pin 4 of chip IC 1, the other end of electric capacity C3 connects resistance R3, the other end of resistance R3 connects the other end of electric capacity C2, the other end of electric capacity C4 and the pin 3 of chip IC 1, the base stage of the pin 5 connecting triode V1 of chip IC 1, the pin 6 of chip IC 1 connects resistance R6, the other end of resistance R6 connects the negative electrode of diode D2, the anode of diode D2 connects the other end of electric capacity C1 and inductance L2。
2. the other end of inductance L1 connects the anode of diode D1 and the colelctor electrode of audion V1, and the emitter stage of audion V1 connects the other end of resistance R5 and the pin 7 of chip IC 1, and the model of chip IC 1 is LM3578。
3. according to a kind of convenient and practical portable charger described in claim 1, it is characterised in that described power supply E is 2 joint 1.5V aneroid battery。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521119436.9U CN205335894U (en) | 2015-12-30 | 2015-12-30 | Convenient and practical's portable battery charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521119436.9U CN205335894U (en) | 2015-12-30 | 2015-12-30 | Convenient and practical's portable battery charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205335894U true CN205335894U (en) | 2016-06-22 |
Family
ID=56313528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521119436.9U Expired - Fee Related CN205335894U (en) | 2015-12-30 | 2015-12-30 | Convenient and practical's portable battery charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205335894U (en) |
-
2015
- 2015-12-30 CN CN201521119436.9U patent/CN205335894U/en not_active Expired - Fee Related
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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: 20160622 Termination date: 20161230 |