CN204376486U - A kind of convenient and practical portable power source circuit - Google Patents
A kind of convenient and practical portable power source circuit Download PDFInfo
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- CN204376486U CN204376486U CN201520085630.3U CN201520085630U CN204376486U CN 204376486 U CN204376486 U CN 204376486U CN 201520085630 U CN201520085630 U CN 201520085630U CN 204376486 U CN204376486 U CN 204376486U
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Abstract
The utility model discloses a kind of convenient and practical portable power source circuit, comprise power circuit, control circuit and voltage stabilizing circuit, described power circuit comprises linked switch K1, battery E1 and switch S 1, control circuit comprises potentiometer RP1, resistance R1 and triode VT1, described voltage stabilizing circuit comprises chip IC 1, diode D3 and inductance L 1, and chip IC 1 is LM2596 type voltage stabilizing chip.The utility model portable power source circuit structure is simple, components and parts are few, the 5V dry cell that use market can have been bought everywhere is as the charge power supply of electronic equipment, easy to use, flying power is strong, and output voltage stabilization is reliable to use LM2596 voltage stabilizing chip to guarantee, be applicable to very much using with the people of outdoor activities out of office by bus for a long time.
Description
Technical field
The utility model relates to a kind of portable power source, specifically a kind of convenient and practical portable power source circuit.
Background technology
Along with improving constantly of people's living standard, electronic equipment has become a requisite part in life, especially mobile phone, the mobile devices such as panel computer, but the shortcoming of this class of electronic devices ubiquity battery durable ability, the appearance of Portable power source well solves this problem, portable power source common is in the market that storage battery is formed mostly, storage of electrical energy is carried out by charging, but the electric energy that portable power source stores also is limited, such as sit the people of long-distance car, or field worker, even if be equipped with the demand that portable power source can not meet them, and portable power source also needs charging to wait for, some urgent occasions are also inapplicable.
Utility model content
It is simple, highly sensitive that the purpose of this utility model is to provide a kind of structure, can automatically control the convenient and practical portable power source circuit that waters, to solve the problem proposed in above-mentioned background technology according to soil moisture.
For achieving the above object, the utility model provides following technical scheme:
A kind of convenient and practical portable power source circuit, comprise power circuit, control circuit and voltage stabilizing circuit, described power circuit comprises linked switch K1, battery E1 and switch S 1, control circuit comprises potentiometer RP1, resistance R1 and triode VT1, described voltage stabilizing circuit comprises chip IC 1, diode D3 and inductance L 1, and chip IC 1 is LM2596 type voltage stabilizing chip;
The positive pole of described battery E1 connects 5 pin of linked switch K1, the negative pole of battery E1 connects 6 pin of linked switch K1, 1 pin of linked switch K1 connects 4 pin of linked switch K1, 5 pin of linked switch K2 and the positive pole of battery E2, the 2 pin connecting valve S1 of linked switch K1, 3 pin of linked switch K1 connect 6 pin of linked switch K2 and the negative pole of battery E2, 1 pin of linked switch K2 connects 4 friendships of linked switch K2 and the positive pole of battery E3, 3 pin of linked switch K2 connect the negative pole of battery E3, electric capacity C1, electric capacity C2, a stiff end of potentiometer RP1, the negative pole of output voltage U1, 3 pin of chip IC 1 and 5 pin of chip IC 1, the other end contact resistance R1 of switch S 1, resistance R2, the other end of electric capacity C1, the anode of diode D1, the anode of diode D2 and 1 pin of chip IC 1, the other end contact resistance R4 of resistance R1, the other end contact resistance R3 of resistance R2, resistance R7, the emitter of triode VT1, the emitter of triode VT2 and the emitter of triode VT3, the other end contact resistance R5 of resistance R3, the other end contact resistance R6 of resistance R4 and the base stage of triode VT3, the other end contact resistance R7 of resistance R6 and the base stage of triode VT1, the collector electrode of other end connecting triode VT1 of resistance R5 and the base stage of triode VT2, the collector electrode of triode VT2 connects the negative electrode of diode D1, the collector electrode of triode VT3 connects the negative electrode of diode D2, the negative electrode of 2 negative electrodes connection diode D3 of chip IC 1 is crossed and inductance L 1, 4 negative electrodes of chip IC 1 connect the other end of electric capacity C2, the other end of electric capacity L1 connects the positive pole of output voltage U1.
As preferred version of the present utility model: described diode D1 is red light-emitting diode, diode D2 is green light LED.
As preferred version of the present utility model: described battery E1, E2, E3 are 5V dry cell.
Compared with prior art, the beneficial effects of the utility model are: the utility model portable power source circuit structure is simple, components and parts are few, the 5V dry cell that use market can have been bought everywhere is as the charge power supply of electronic equipment, easy to use, flying power is strong, and output voltage stabilization is reliable to use LM2596 voltage stabilizing chip to guarantee, is applicable to very much using with the people of outdoor activities out of office by bus for a long time.
Accompanying drawing explanation
Fig. 1 is for convenience of the circuit diagram of practical portable power source circuit.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, a kind of convenient and practical portable power source circuit, comprise power circuit, control circuit and voltage stabilizing circuit, described power circuit comprises linked switch K1, battery E1 and switch S 1, control circuit comprises potentiometer RP1, resistance R1 and triode VT1, described voltage stabilizing circuit comprises chip IC 1, diode D3 and inductance L 1, and chip IC 1 is LM2596 type voltage stabilizing chip;
The positive pole of described battery E1 connects 5 pin of linked switch K1, the negative pole of battery E1 connects 6 pin of linked switch K1, 1 pin of linked switch K1 connects 4 pin of linked switch K1, 5 pin of linked switch K2 and the positive pole of battery E2, the 2 pin connecting valve S1 of linked switch K1, 3 pin of linked switch K1 connect 6 pin of linked switch K2 and the negative pole of battery E2, 1 pin of linked switch K2 connects 4 friendships of linked switch K2 and the positive pole of battery E3, 3 pin of linked switch K2 connect the negative pole of battery E3, electric capacity C1, electric capacity C2, a stiff end of potentiometer RP1, the negative pole of output voltage U1, 3 pin of chip IC 1 and 5 pin of chip IC 1, the other end contact resistance R1 of switch S 1, resistance R2, the other end of electric capacity C1, the anode of diode D1, the anode of diode D2 and 1 pin of chip IC 1, the other end contact resistance R4 of resistance R1, the other end contact resistance R3 of resistance R2, resistance R7, the emitter of triode VT1, the emitter of triode VT2 and the emitter of triode VT3, the other end contact resistance R5 of resistance R3, the other end contact resistance R6 of resistance R4 and the base stage of triode VT3, the other end contact resistance R7 of resistance R6 and the base stage of triode VT1, the collector electrode of other end connecting triode VT1 of resistance R5 and the base stage of triode VT2, the collector electrode of triode VT2 connects the negative electrode of diode D1, the collector electrode of triode VT3 connects the negative electrode of diode D2, the negative electrode of 2 negative electrodes connection diode D3 of chip IC 1 is crossed and inductance L 1, 4 negative electrodes of chip IC 1 connect the other end of electric capacity C2, the other end of electric capacity L1 connects the positive pole of output voltage U1.
Diode D1 is red light-emitting diode, and diode D2 is green light LED.
Battery E1, E2, E3 are 5V dry cell.
Operation principle of the present utility model is: when needing to use charger, by E1 in 3 joint 5V dry cells respectively place in circuit, E2, the position of E3, press switch S 1, the electric energy of dry cell provides charging voltage U1 by LM2596 to load, the value of adjustment potentiometer RP1, the dividing potential drop on resistance R2 is made to be 3V, during normal power supply, triode VT3 conducting, green light LED D2 conducting, instruction is charged, when the voltage of battery reduces because of over-discharge can, triode VT2 conducting, red light-emitting diode D1 is luminous, represent that supplying cell is under-voltage, need to change rechargeable battery, change linked switch K1, the break-make of K2 changes the number of batteries of place in circuit, thus make output voltage U1 variable, circuit structure is simple, components and parts are few, the 5V dry cell that use market can have been bought everywhere is as the charge power supply of electronic equipment, easy to use, flying power is strong, and use LM2596 voltage stabilizing chip to guarantee that output voltage stabilization is reliable, be applicable to very much using with the people of outdoor activities out of office by bus for a long time.
Claims (3)
1. a convenient and practical portable power source circuit, comprises power circuit, control circuit and voltage stabilizing circuit; It is characterized in that, described power circuit comprises linked switch K1, battery E1 and switch S 1, control circuit comprises potentiometer RP1, resistance R1 and triode VT1, and described voltage stabilizing circuit comprises chip IC 1, diode D3 and inductance L 1, and chip IC 1 is LM2596 type voltage stabilizing chip;
The positive pole of described battery E1 connects 5 pin of linked switch K1, the negative pole of battery E1 connects 6 pin of linked switch K1, 1 pin of linked switch K1 connects 4 pin of linked switch K1, 5 pin of linked switch K2 and the positive pole of battery E2, the 2 pin connecting valve S1 of linked switch K1, 3 pin of linked switch K1 connect 6 pin of linked switch K2 and the negative pole of battery E2, 1 pin of linked switch K2 connects 4 friendships of linked switch K2 and the positive pole of battery E3, 3 pin of linked switch K2 connect the negative pole of battery E3, electric capacity C1, electric capacity C2, a stiff end of potentiometer RP1, the negative pole of output voltage U1, 3 pin of chip IC 1 and 5 pin of chip IC 1, the other end contact resistance R1 of switch S 1, resistance R2, the other end of electric capacity C1, the anode of diode D1, the anode of diode D2 and 1 pin of chip IC 1, the other end contact resistance R4 of resistance R1, the other end contact resistance R3 of resistance R2, resistance R7, the emitter of triode VT1, the emitter of triode VT2 and the emitter of triode VT3, the other end contact resistance R5 of resistance R3, the other end contact resistance R6 of resistance R4 and the base stage of triode VT3, the other end contact resistance R7 of resistance R6 and the base stage of triode VT1, the collector electrode of other end connecting triode VT1 of resistance R5 and the base stage of triode VT2, the collector electrode of triode VT2 connects the negative electrode of diode D1, the collector electrode of triode VT3 connects the negative electrode of diode D2, the negative electrode of 2 negative electrodes connection diode D3 of chip IC 1 is crossed and inductance L 1, 4 negative electrodes of chip IC 1 connect the other end of electric capacity C2, the other end of electric capacity L1 connects the positive pole of output voltage U1.
2. a kind of convenient and practical portable power source circuit according to claim 1, it is characterized in that, described diode D1 is red light-emitting diode, and diode D2 is green light LED.
3. a kind of convenient and practical portable power source circuit according to claim 1, it is characterized in that, described battery E1, E2, E3 are 5V dry cell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520085630.3U CN204376486U (en) | 2015-02-06 | 2015-02-06 | A kind of convenient and practical portable power source circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520085630.3U CN204376486U (en) | 2015-02-06 | 2015-02-06 | A kind of convenient and practical portable power source circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204376486U true CN204376486U (en) | 2015-06-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520085630.3U Active CN204376486U (en) | 2015-02-06 | 2015-02-06 | A kind of convenient and practical portable power source circuit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204376486U (en) |
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2015
- 2015-02-06 CN CN201520085630.3U patent/CN204376486U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Sun Xuelian Inventor before: Li Mingli |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151223 Address after: 100043, building 1, building 6, Galaxy Avenue, Shijingshan District, Beijing, Patentee after: China National Water Resources & Electric Power Materials & Equipment Co., Ltd.Co., Ltd. Address before: 315700 Western Zhou Industrial Park, Xiangshan County, Ningbo, Zhejiang Patentee before: Li Mingli |