CN101677207B - Universal direct-current power source supply device - Google Patents
Universal direct-current power source supply device Download PDFInfo
- Publication number
- CN101677207B CN101677207B CN2008101493157A CN200810149315A CN101677207B CN 101677207 B CN101677207 B CN 101677207B CN 2008101493157 A CN2008101493157 A CN 2008101493157A CN 200810149315 A CN200810149315 A CN 200810149315A CN 101677207 B CN101677207 B CN 101677207B
- Authority
- CN
- China
- Prior art keywords
- direct current
- direct
- resistor
- current conversion
- power source
- 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
Links
Images
Landscapes
- Rectifiers (AREA)
Abstract
The invention provides a universal direct-current power source supply device which is the design of a socket and a plug. The universal direct-current power source supply device comprises a direct-current transformation socket and a voltage plug, wherein the voltage plug can be attached on various electronic products; direct current is provided by a battery or an urban alternating-current power source through a rectification adapter and is delivered into the input end of the direct-current transformation socket, and the output end of the direct-current transformation socket is connected with the voltage plug, so that various electronic products can be matched with any alternating-current power source for use in virtue of the universal direct-current power source supply device.
Description
Technical field
The present invention is a kind of universal direct-current power source supply device, refers in particular to a kind of design of socket and plug.
Background technology
General in the world city AC power has two kinds of 110V and 220V, and various electronic products must cooperate the city AC power respectively and design.For the traveller, first the electronic product bought arrived second ground and may not use because the city AC power of two places is different.
Though existing various rectification adapters (Adapter) can convert the city AC power on second ground to first local specialties required direct current; But must dispose rectification adapter separately respectively for each electronic product; If carry several electronic product travellings; The rectification adapter that then carries is too many, very inconvenience.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of universal direct-current power source supply device, is a kind of design of socket and plug, makes various electronic products can borrow universal direct-current power source supply device of the present invention to cooperate arbitrary AC power and use.
For achieving the above object, the present invention provides a kind of universal direct-current power source supply device, comprises:
The direct current conversion socket has direct current conversion IC, resistor R 1 and R2; The direct current conversion IC has output voltage and feedback voltage, and this feedback voltage links to each other with contact between resistor R 1, R2, resistor R 1 other end ground connection, and the other end of resistor R 2 then forms the output two ends of this direct current conversion socket with this output voltage;
The voltage plug has resistor R 3; This voltage plug invests on the various electronic products, and after this voltage plug inserted this direct current conversion socket, resistor R 3 two ends were connected with the output two ends of this direct current conversion socket;
Add the rectification adapter, the output of rectification adapter is connected with the input of direct current conversion socket, after the input of this rectification adapter connects the city AC power on the wall, converts the city alternating current to direct current, sends into the input of direct current conversion socket;
Also can the output of battery be connected with the input of direct current conversion socket, provide direct current to send into the input of direct current conversion socket.
Use universal direct-current power source supply device of the present invention, can reach the effect that makes various electronic products cooperate arbitrary AC power and use, so the electronic product of any electronic product of portability manufacturer uses local city AC power to various places, very convenient.
Description of drawings
Fig. 1 is the theory diagram of universal direct-current power source supply device of the present invention;
Fig. 2 is the circuit diagram of universal direct-current power source supply device of the present invention;
Fig. 3 is the use battery figure of universal direct-current power source supply device of the present invention.
Description of reference numerals
1 rectification adapter
2 direct current conversion sockets
21 direct current conversion IC
3 voltage plugs
4 batteries
The R1 resistor
The R2 resistor
The R3 resistor
The R4 resistor
The C1 capacitor
The Vout output voltage
The Vfb feedback voltage
Embodiment
Ask for an interview Fig. 1, be principle of the invention block diagram, wherein comprise rectification adapter 1, direct current conversion socket 2 and voltage plug 3.Rectification adapter 1 converts the city alternating current on the wall to direct current, sends into direct current conversion socket 2, cooperates voltage plug 3 and converts the direct current of various required by electronic product to.
Ask for an interview Fig. 2, be the circuit diagram of direct current conversion socket 2 with voltage plug 3.Direct current conversion socket 2 comprises direct current conversion IC 21 (AX-310x is AXElite Technology Co., the product of Ltd.) (or LM3478, LM3488, be the product of National Semiconductor), resistor R 1 and R2.Voltage plug 3 comprises resistor R 3, capacitor C1 and resistor R 4.The output voltage V out of direct current conversion IC 21 is connected with resistor R 1, R2, R3 with feedback (Feedback) voltage Vfb is as shown in Figure 2.
If use AX-310x, then the Vfb end produces fixing 0.8V voltage, if use LM3478, then the Vfb end produces fixing 1.26V voltage.Therefore according to the principle of dividing potential drop, (1+ (R2+R3)/R1) provides the Vout voltage of voltage plug 3 can borrow the configuration of resistor R 1, R2, R3 and adjust to Vout=Vfb.The Vout voltage of voltage plug 3 is the inner required direct voltage of each electronic product.
The present invention places direct current conversion socket 2 with resistor R 1, R2, but resistor R 3 is placed voltage plug 3.The resistance value of resistor R 1, R2 is fixed, and the resistance value of the resistor R 3 of voltage plug 3 is then by electronic product manufacturer matching design, so can produce the voltage (being Vout voltage) that its required by electronic product is wanted.Capacitor C1 and resistor R 4 are filter circuit.
All electronic product manufacturers cooperate the present invention and design the resistance value of the resistor R 3 of its voltage plug 3; As long as the user purchases direct current conversion socket 2 of the present invention and any rectification adapter 1 of arranging in pairs or groups as a result; The electronic product that is any electronic product of portability manufacturer uses local city AC power to various places, very convenient.
The above is merely preferred embodiment of the present invention, is not to be used to limit protection scope of the present invention.
Claims (4)
1. a universal direct-current power source supply device is characterized in that, comprises:
The direct current conversion socket has direct current conversion IC, resistor R 1 and R2; This direct current conversion IC has output voltage output and feedback voltage output; This feedback voltage output links to each other with contact between these resistor R 1 one ends, R2 one end; This resistor R 1 other end ground connection, the other end of this resistor R 2 then form the output two ends of this direct current conversion socket with this output voltage output;
The voltage plug has resistor R 3; This voltage plug invests on the various electronic products, and after this voltage plug inserted this direct current conversion socket, resistor R 3 two ends were connected with the output two ends of this direct current conversion socket; The resistance value of said resistor R 3 cooperates said direct current conversion socket to design by electronic product manufacturer.
2. universal direct-current power source supply device as claimed in claim 1; It is characterized in that; Add the rectification adapter, the output of this rectification adapter is connected with the input of said direct current conversion socket, after the input of this rectification adapter connects the city AC power on the wall; Convert the city alternating current to direct current, send into the input of said direct current conversion socket.
3. universal direct-current power source supply device as claimed in claim 1 is characterized in that, the output of battery is connected with the input of said direct current conversion socket, provides direct current to send into the input of said direct current conversion socket.
4. like claim 1,2 or 3 described universal direct-current power source supply devices, it is characterized in that, connect parallelly connected capacitor C1 and resistor R 4 after the said resistor R 3 as filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101493157A CN101677207B (en) | 2008-09-17 | 2008-09-17 | Universal direct-current power source supply device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101493157A CN101677207B (en) | 2008-09-17 | 2008-09-17 | Universal direct-current power source supply device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101677207A CN101677207A (en) | 2010-03-24 |
| CN101677207B true CN101677207B (en) | 2012-03-21 |
Family
ID=42029655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101493157A Expired - Fee Related CN101677207B (en) | 2008-09-17 | 2008-09-17 | Universal direct-current power source supply device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101677207B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102403892A (en) * | 2010-09-14 | 2012-04-04 | 鸿富锦精密工业（深圳）有限公司 | Power switching circuit and network camera using same |
| CN110212738A (en) * | 2019-05-20 | 2019-09-06 | 上海闻泰电子科技有限公司 | The power supply circuit of imaging modules |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6965518B2 (en) * | 2004-04-06 | 2005-11-15 | Golden Bridge Electech Inc. | Power converter with output voltage level indicating device |
| CN2932801Y (en) * | 2006-06-26 | 2007-08-08 | 洪皇江 | Mobile phone charger |
| CN201290066Y (en) * | 2008-09-22 | 2009-08-12 | 余昌翰 | Power set of general-purpose DC power supply |
-
2008
- 2008-09-17 CN CN2008101493157A patent/CN101677207B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6965518B2 (en) * | 2004-04-06 | 2005-11-15 | Golden Bridge Electech Inc. | Power converter with output voltage level indicating device |
| CN2932801Y (en) * | 2006-06-26 | 2007-08-08 | 洪皇江 | Mobile phone charger |
| CN201290066Y (en) * | 2008-09-22 | 2009-08-12 | 余昌翰 | Power set of general-purpose DC power supply |
Non-Patent Citations (2)
| Title |
|---|
| JP特开平7-231653A 1995.08.29 |
| 林国汉.一种新型高效率BOOST变换器的设计.《通信电源技术》.2008,第25卷(第3期), * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101677207A (en) | 2010-03-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203859342U (en) | Wall-plug type power socket | |
| US20140218974A1 (en) | Usb power adapter for ac and dc power | |
| US7839668B2 (en) | Multiple output AC/DC power adapter | |
| TW201249081A (en) | Power supply apparatus | |
| US9618917B2 (en) | Power control device | |
| CN211405513U (en) | Electric energy system | |
| CN101677207B (en) | Universal direct-current power source supply device | |
| WO2007143610A3 (en) | Device for converting ac power to multiple dc outputs with retractable cords and multiple adapter tips | |
| CN201541137U (en) | Solar wireless charging device | |
| CN201290066Y (en) | Power set of general-purpose DC power supply | |
| CN207339313U (en) | Multi-functional charging cabinet | |
| TWM488804U (en) | Power supply device | |
| CN203481902U (en) | Low-voltage power supply USB charger panel | |
| CN202564735U (en) | Power socket board with USB interface | |
| CN203445700U (en) | Wireless power supply device for application | |
| TWM454032U (en) | USB power supply device for both AC and DC use | |
| CN104518645B (en) | Multifunctional portable power supply connector | |
| US20120068535A1 (en) | Energy converter, and associated method, for providing converted energy to a set of electronic devices | |
| CN104795701A (en) | Multifunctional charging socket | |
| CN214025458U (en) | Boost charging system and electric screwdriver | |
| TWI673948B (en) | Power conversion system | |
| CN202564734U (en) | Fixed power socket with USB interface | |
| CN210245892U (en) | Portable patch board | |
| CN2911989Y (en) | Charging connector with USB interface | |
| CN209993830U (en) | Power socket |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| 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: 20120321 Termination date: 20150917 |
|
| EXPY | Termination of patent right or utility model |