CN201039011Y - All-purpose power adapter - Google Patents

All-purpose power adapter Download PDF

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Publication number
CN201039011Y
CN201039011Y CNU2007200513347U CN200720051334U CN201039011Y CN 201039011 Y CN201039011 Y CN 201039011Y CN U2007200513347 U CNU2007200513347 U CN U2007200513347U CN 200720051334 U CN200720051334 U CN 200720051334U CN 201039011 Y CN201039011 Y CN 201039011Y
Authority
CN
China
Prior art keywords
power supply
circuit
lamp module
indicating lamp
output
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
Application number
CNU2007200513347U
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Chinese (zh)
Inventor
徐建华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Shenzhen Lvsun Electronics Technology Co Ltd
Original Assignee
徐建华
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 徐建华 filed Critical 徐建华
Priority to CNU2007200513347U priority Critical patent/CN201039011Y/en
Application granted granted Critical
Publication of CN201039011Y publication Critical patent/CN201039011Y/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Dc-Dc Converters (AREA)
  • Control Of Voltage And Current In General (AREA)

Abstract

The utility model discloses a universal power supply adapter, which comprises a switch power supply circuit connected with an AC power supply, and a power supply loop connected with the switch power supply circuit. The power supply loop comprises an output automatic conversion circuit, an output conversion tip, and a keystroke conversion indicator module; the output automatic conversion circuit is respectively connected with the switch power supply and the keystroke conversion indicator module, and implements precisely controlling the output voltage by pressing the keystroke. The universal power supply adapter of the utility model provides a reliable power supply device for personal digital products and notebook computers, precisely controls the output voltage by pressing the keystroke and indicates corresponding voltage value, and adapts for different devices by changing the output conversion tips, thus effectively ensuring the power supply of the external devices; furthermore, the data of the output voltage can be indicated by the keystroke conversion indicator module, the external devices can be effectively avoided to be damaged by error connection, thus being safer and more humanized.

Description

Omnipotent power supply adaptor
Technical field
The utility model relates to household electrical appliance and office equipment technical field, the power supply unit of especially a kind of household electrical appliance and office equipment.
Background technology
Along with popularizing of personal digital equipment and notebook computer, outer power supply source has also become essential items.Usually each personal digital product and notebook computer all can provide own proprietary power supply adaptor, for convenience, have just innovated the omnipotent power supply adaptor that is applicable to all kinds of digital products and notebook computer.So-called omnipotent power supply adaptor, in fact pass through supply current and voltage that the acquisition of manual adjustment toggle switch parameter needs, but there is obvious defects in this control technology: regulation stall is many, control dumbly, cannot accurately know the numerical value that adjusts, the long-term use causes loose contact, contact resistance to become big, make the output voltage instability, this causes the equipment that burns out or electricity shortage easily, use dangerous, impersonalityization.
The utility model content
The utility model discloses a kind of omnipotent power supply adaptor, it can obtain accurate out-put supply by simple mode, uses safer, more humane.
The technical solution adopted in the utility model is to achieve these goals: a kind of omnipotent power supply adaptor, comprise switching power circuit that is connected with AC power and the current supply circuit that is connected with switching power circuit, current supply circuit comprises output automatic switching circuit, output conversion head and button conversion indicating lamp module, and described output automatic switching circuit connects switching power circuit and button conversion indicating lamp module respectively; Described button conversion indicating lamp module one end is connected with switching power circuit 5V, the other end is connected with switching power circuit output ground, button conversion indicating lamp module D end joins with the D end of exporting automatic switching circuit, by the accurate control of button input control button conversion indicating lamp module realization to output voltage.
Further, button conversion indicating lamp module contains key switch S1, resistance R 1-R8, indicator light LED0-8: key switch S1 one end is connected with switching power circuit 5V end, the other end and open button and change indicating lamp module and join; The end of resistance R 1-R8 with join and button conversion indicating lamp module D end, the other end joins with the electronic switch of button conversion indicating lamp module inside respectively; The end of indicator light LED0-8 is connected with switching power circuit output ground end, and the other end joins the indication output voltage with button conversion indicating lamp module internal electron switch respectively.
Further, described output conversion head connects external equipment, can change.
The omnipotent power supply adaptor of the utility model, a kind of reliable power-supply device is provided for personal digital product and notebook computer, by accurate control and the indication output voltage values of button realization to output voltage, and can adaptive multiple external equipment by changing the output conversion head, thereby effectively guaranteed the power supply of external equipment, can effectively avoid misconnection to cause external equipment to damage safer and hommization.
Description of drawings
Fig. 1 the utility model system framework;
Fig. 2 the utility model button conversion indicating module circuit;
Fig. 3 the utility model circuit theory diagrams.
Embodiment
The utility model comprises switching power circuit that is connected with AC power and the current supply circuit that is connected with switching power circuit, described current supply circuit comprises output automatic switching circuit 21, output conversion head 22 and button conversion indicating module 23, described output automatic switching circuit 21 connects switching power circuit and button conversion indicating module 23 respectively, by the accurate control of button realization to output voltage.
Further the utility model is described below in conjunction with accompanying drawing: shown in Fig. 1 system block diagram, after the alternating current input, process is by EMI filtration module 10, rectification filtering module 11, switch transformer 12, secondary commutation filtration module 13, the switching power circuit that photoelectricity Coupling Control loop 14 and PWM control module 15 are formed, alternating current is converted to direct current, by power supply DC connecting line 20, the control circuit of flowing through and being made up of output automatic switching circuit 22 and button conversion indicating module 23, just can export accurate voltage through output conversion head 21 is the external electric equipment power supply.Button conversion indicating module contains LED, and the voltage of the corresponding output of indication makes people can know the understanding output voltage.
Show that as Fig. 3 the D end 30 of output automatic switching circuit is for what disconnect, Fig. 2 is the circuit of button conversion indicating module 23, and button conversion indicating module 23 contains resistance R 1-R8, LED0-8, button S1.Button conversion indicating module 23 is drawn three circuits, and wherein D end 31 is connected with the D end 30 of output automatic switching circuit.Comprise the resistance R 1-R8 button conversion indicating module 23 internal electron switches that are connected in parallel in the button conversion indicating module, realize control output voltage; The LED end contains indicator light LED0-8, the end of LED0-8 is connected with button conversion indicating module 23 internal electron switches, the other end is connected with switching power circuit output ground VCC-, the indication output voltage, so that can accurately know output voltage, the danger of effectively avoiding misconnection to cause external equipment to damage.
The utility model contains the high-precision controller that is useful on control current supply circuit output voltage in the button conversion indicating module, by button, and accurate control output voltage.
The omnipotent power supply adaptor of the utility model, a kind of reliable power-supply device is provided for personal digital product and notebook computer, by accurate control and the indication output voltage values of button realization to output voltage, and can adaptive multiple external equipment by changing the output conversion head, thereby effectively guaranteed the power supply of external equipment, can effectively avoid misconnection to cause external equipment to damage safer and hommization.

Claims (4)

1. omnipotent power supply adaptor, comprise switching power circuit that is connected with AC power and the current supply circuit that is connected with switching power circuit, it is characterized in that, current supply circuit comprises output automatic switching circuit (22), output conversion head (21) and button conversion indicating lamp module (23), and described output automatic switching circuit (22) connects switching power circuit and button conversion indicating lamp module (23) respectively; Described button conversion indicating lamp module (23) one ends are connected with switching power circuit 5V, the other end is connected with switching power circuit output ground, button conversion indicating lamp module (23) D end (31) joins with the D end (30) of exporting automatic switching circuit (22), by the accurate control of button input control button conversion indicating lamp module realization to output voltage.
2. omnipotent according to claim 1 power supply adaptor, it is characterized in that, button conversion indicating lamp module (23) contains key switch S1, resistance R 1-R8, indicator light LED0-8: key switch S1 one end is connected with switching power circuit 5V end, the other end and open button and change indicating lamp module and join;
The end of resistance R 1-R8 with join and button conversion indicating lamp module (23) D end (31), the other end joins with the inner electronic switch of button conversion indicating lamp module (23) respectively;
The end of indicator light LED0-8 is connected with switching power circuit output ground end, and the other end joins the indication output voltage with button conversion indicating lamp module internal electron switch respectively.
3. omnipotent according to claim 1 power supply adaptor is characterized in that, described output conversion head (21) connects external equipment, can change.
4. as claim 1 to 3 omnipotent power supply adaptor as described in each, it is characterized in that,
Described button conversion indicating lamp module (23) contains the high-precision controller that is useful on control current supply circuit output voltage.
CNU2007200513347U 2007-05-14 2007-05-14 All-purpose power adapter Expired - Fee Related CN201039011Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2007200513347U CN201039011Y (en) 2007-05-14 2007-05-14 All-purpose power adapter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2007200513347U CN201039011Y (en) 2007-05-14 2007-05-14 All-purpose power adapter

Publications (1)

Publication Number Publication Date
CN201039011Y true CN201039011Y (en) 2008-03-19

Family

ID=39211537

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2007200513347U Expired - Fee Related CN201039011Y (en) 2007-05-14 2007-05-14 All-purpose power adapter

Country Status (1)

Country Link
CN (1) CN201039011Y (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010057338A1 (en) * 2008-11-24 2010-05-27 克立欧电子有限公司 Output voltage feedback device for power supply and power supply
CN102832829A (en) * 2012-06-18 2012-12-19 天津三星电子有限公司 Multiplexed output power adapter
CN107359489A (en) * 2017-07-17 2017-11-17 王金锁 A kind of Omnipotent power adapter

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2010057338A1 (en) * 2008-11-24 2010-05-27 克立欧电子有限公司 Output voltage feedback device for power supply and power supply
CN102832829A (en) * 2012-06-18 2012-12-19 天津三星电子有限公司 Multiplexed output power adapter
CN107359489A (en) * 2017-07-17 2017-11-17 王金锁 A kind of Omnipotent power adapter

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
ASS Succession or assignment of patent right

Owner name: SHENZHEN LONGWEISHENG ELECTRONICS TECHNOLOGY CO.,

Free format text: FORMER OWNER: XU JIANHUA

Effective date: 20100520

C41 Transfer of patent application or patent right or utility model
COR Change of bibliographic data

Free format text: CORRECT: ADDRESS; FROM: 518000 LONGWEISHENG TECHNOLOGY CO., LTD., BUILDING C, SHIGUAN INDUSTRY ZONE, LONGHUA, SHENZHEN CITY, GUANGDONG PROVINCE TO: 523400 FACTORY BUILDING 2# (BLOCK C), SHIGUAN INDUSTRIAL DISTRICT, LONGHUA COMMUNITY, DALANG STREET, BAOAN DISTRICT, SHENZHEN CITY

TR01 Transfer of patent right

Effective date of registration: 20100520

Address after: 523400, Shenzhen, Baoan District big wave street Longhua community stone industry zone 2 (C) plant

Patentee after: Shenzhen City Lvsun Electronic Technology Co., Ltd.

Address before: 518000 Guangdong city of Shenzhen province Longhua Shiguan Industrial Zone C building dragon via Electronic Technology Co. Ltd.

Patentee before: Xu Jianhua

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20080319

Termination date: 20150514

EXPY Termination of patent right or utility model