CN2914449Y - Portable USB charger - Google Patents
Portable USB charger Download PDFInfo
- Publication number
- CN2914449Y CN2914449Y CN 200620059968 CN200620059968U CN2914449Y CN 2914449 Y CN2914449 Y CN 2914449Y CN 200620059968 CN200620059968 CN 200620059968 CN 200620059968 U CN200620059968 U CN 200620059968U CN 2914449 Y CN2914449 Y CN 2914449Y
- Authority
- CN
- China
- Prior art keywords
- rechargeable battery
- power supply
- utility
- model
- usb charger
- 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
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to a portable USB charger used in household or office appliances. A power supply extracted from the USB interface of a computer by the USB charger can be used for charging a rechargeable battery after three-stage amplification by three triodes Q1, Q2 and Q3, filtering by an inductor L1 and a capacitor C2, and voltage stabilization by a voltage regulator tube ZD 1. A switch SW is provided for converting charge or discharge, and a protective resistor R6 and a light emitting diode LED2 for electrical indication are serially connected between the positive and negative electrodes of the power supply. A protective resistor R4 and a light emitting diode LED1 for electrical indication of the battery are serially connected with both ends of the rechargeable battery. The utility model can achieve charging from the USB interface of a computer and can provide 6.8 V emergency power supply for mobile phone, and has the advantages of conveniently charging and low power consumption.
Description
Technical field:
The utility model relates to family expenses or office appliance technical field, refers in particular to a kind of Portable USB charger.
Background technology:
Along with the reach of science, development of technology, it is rapid unusually that communication apparatus develops, particularly the owner of mobile phone is more and more, great convenience is provided for people's life and information interchange, but blemish in an otherwise perfect thing is, the electric weight that battery of mobile phone stores is limited, sometimes the words of just having come round or conversing find that but the electric weight of battery of mobile phone is in an emergency, and for the moment at one's side charger for mobile phone does not make the user feel simply helpless, though have modern communication apparatus, but have no alternative.
The utility model content:
The purpose of this utility model provides a kind of equipment that can charge from the USB socket of computer, makes people can utilize the USB socket on the computer to charge at work at any time, prepares against the urgent need that cell-phone battery electric-charge quantity is in an emergency.
The utility model is achieved in that the Portable USB charger, wherein: draw power supply from the USB interface of computer, after amplification, filtering and voltage stabilizing, be the rechargeable battery charging, can carry out the charge or discharge conversion by switch SW.
Above-mentioned amplification is through triode Q1, Q2, three grades of amplifications of Q3, and described filtering is to carry out filtering by inductance L 1 and capacitor C 2, and described voltage stabilizing is to carry out voltage stabilizing by voltage-stabiliser tube ZD1.
Draw in USB interface and be in series with protective resistance R6 between the both positive and negative polarity of power supply and the electricity indication arranged, be in series with the LED 1 that protective resistance R4 and rechargeable battery have electricity indication usefulness at the two ends of rechargeable battery with LED 2.
The outstanding compared to existing technology advantage of the utility model is:
1, the utility model can charge from the USB socket of computer, makes people can utilize the USB socket on the computer to charge at work at any time, when cell-phone battery electric-charge quantity is in an emergency, can peg graft by mobile phone changeover plug and mobile phone, and the emergence power of mobile phone is provided.
2, the utility model design is ingenious, and charging is convenient, little power consumption.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
With specific embodiment the utility model is further described below:
Embodiment 1: referring to Fig. 1: the Portable USB charger, wherein: drawing power supply from the USB interface of computer, after amplification, filtering and voltage stabilizing, is the rechargeable battery charging, can carry out the charge or discharge conversion by switch SW.
Above-mentioned amplification is through triode Q1, Q2, three grades of amplifications of Q3, and described filtering is to carry out filtering by inductance L 1 and capacitor C 2, and described voltage stabilizing is to carry out voltage stabilizing by voltage-stabiliser tube ZD1.
Draw in USB interface and be in series with protective resistance R6 between the both positive and negative polarity of power supply and the electricity indication arranged, be in series with the LED 1 that protective resistance R4 and rechargeable battery have electricity indication usefulness at the two ends of rechargeable battery with LED 2.
Can draw charge power supply from the USB interface of computer with USB plug, the power supply of rechargeable battery can be docked output to mobile phone with patchplug.
Use of the present utility model:
1, charging: switch SW of the present utility model is transformed into charge position, USB plug is inserted in the USB interface of computer and can be charged the utility model, increase along with electric quantity of rechargeable battery, the indication rechargeable battery has the color of LED 1 of electric usefulness green by red stain, or charge in the time range that needs, the electric weight that rechargeable battery is described is full of, and pulls up USB plug after charging finishes and gets final product.
2, discharge: switch SW of the present utility model is transformed into discharge position, the output of rechargeable battery of the present utility model is inserted with patchplug by mobile phone in the socket of mobile phone or in the socket of electrical appliance and get final product electricity consumption.
Claims (3)
1, Portable USB charger is characterized in that drawing power supply from the USB interface of computer, after amplification, filtering and voltage stabilizing, is the rechargeable battery charging, can carry out the charge or discharge conversion by switch SW.
2, Portable USB charger according to claim 1, it is characterized in that described amplification is through triode Q1, Q2, three grades of amplifications of Q3, described filtering is to carry out filtering by inductance L 1 and capacitor C 2, and described voltage stabilizing is to carry out voltage stabilizing by voltage-stabiliser tube ZD1.
3, Portable USB charger according to claim 1; it is characterized in that between USB interface is drawn the both positive and negative polarity of power supply, being in series with protective resistance R6 and the electricity indication is arranged, be in series with the LED 1 that protective resistance R4 and rechargeable battery have electricity indication usefulness at the two ends of rechargeable battery with LED 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620059968 CN2914449Y (en) | 2006-06-02 | 2006-06-02 | Portable USB charger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620059968 CN2914449Y (en) | 2006-06-02 | 2006-06-02 | Portable USB charger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2914449Y true CN2914449Y (en) | 2007-06-20 |
Family
ID=38169045
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620059968 Expired - Fee Related CN2914449Y (en) | 2006-06-02 | 2006-06-02 | Portable USB charger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2914449Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442831B (en) * | 2007-11-23 | 2011-06-22 | 联想(北京)有限公司 | Mobile equipment capable of using battery mutually |
| CN101667415B (en) * | 2009-10-10 | 2013-07-10 | 天津三星电子有限公司 | Display with mobile phone charging function |
| US9122288B1 (en) | 2011-07-27 | 2015-09-01 | Cypress Semiconductor Corporation | Low power USB 2.0 subsystem |
-
2006
- 2006-06-02 CN CN 200620059968 patent/CN2914449Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442831B (en) * | 2007-11-23 | 2011-06-22 | 联想(北京)有限公司 | Mobile equipment capable of using battery mutually |
| CN101667415B (en) * | 2009-10-10 | 2013-07-10 | 天津三星电子有限公司 | Display with mobile phone charging function |
| US9122288B1 (en) | 2011-07-27 | 2015-09-01 | Cypress Semiconductor Corporation | Low power USB 2.0 subsystem |
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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: 20070620 |