CN1941575A - Double-output power supplier - Google Patents
Double-output power supplier Download PDFInfo
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- CN1941575A CN1941575A CN 200510108781 CN200510108781A CN1941575A CN 1941575 A CN1941575 A CN 1941575A CN 200510108781 CN200510108781 CN 200510108781 CN 200510108781 A CN200510108781 A CN 200510108781A CN 1941575 A CN1941575 A CN 1941575A
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- double
- output power
- power supplier
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- coil groups
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Abstract
The invention is concerned with the double power supplier, includes: the double inputting ends, the connecter, the power switching circuit, and the outputting end, the double inputting ends consist of the first inputting end and the second inputting, the connecter is the conformity magnetic element that is used to conform the inputting power of the different power signal from the first inputting end and the second inputting, the power switching circuit includes the alternating-current / direct-current converter, the direct-current / direct-current converter, the feedback circuit, and the filter circuit, the double inputting ends use the transformer loop group together, or the induction loop can reduce the volume of the power supplier.
Description
Technical field
The present invention relates to a kind of double-output power supplier, refer to a kind of double-output power supplier of integrating magnetic element that has especially.
Background technology
General electronic installation, for example notebook computer, personal digital assistant and mobile phone etc. all need AC/DC converter to provide the electronic installation running required DC power supply.In general, except built-in battery, AC/DC converter is another important power supply source of supply in the electronic installation.
In recent years, the electronic product of demand high efficiency, low energy consumption is more and more, and how these product stable power supplies being provided and keeping lowest energy consumption has become an important consideration.Along with the lifting of semiconductor technology, semiconductor element (as MOSFET) is applied to rectifying power supply apparatus is also all the more general frequently.Product on the market just at present has manyly to can be used as ready-made element with the drive IC of rectification frequently, directly applying in the electric supply installation, but because cost an arm and a leg, and the control mode complexity, the difficult approval that obtains market.
A kind of programmable dual input AC and DC power supply of utilizing single loop bulk of optical feedback of No. 6650560 patent disclosure of the U.S., this dual input AC and DC power supply comprise: a double input end, this double input end are the first input end and second input; A connector; One power conversion circuit, this power conversion circuit has AC/DC converter, dc/dc boost converter, filter circuit, feedback circuit and towards the redirect parallel operation: and output, this output is first output and second output, wherein connector is in order to the input power supply of the different electrical power signal of the connection first input end and second input, and this connector is to connect the input of different electrical power signal with different magnetic cores, the assembly of this kind connected mode is various and complicated, and can occupy the space of power supply unit.
Other please refer to Fig. 4, shows the schematic diagram of the dc/dc boost converter of known double-output power supplier.Known dc/dc boost converter is to utilize a metal oxide semiconductcor field effect transistor 15 (MOSFET) as a synchronous rectifier cell; this metal oxide semiconductcor field effect transistor 15 has body diode 13 (Body diode) and not conducting fully; so can't isolate input and export, remain in fact to be improved to produce defencive function.
Summary of the invention
The object of the present invention is to provide a kind of double-output power supplier of integrating magnetic element that has, by a shared transformer coil group or the inductance coil of double input end, to dwindle the volume of power supply unit.
For achieving the above object, double-output power supplier provided by the invention comprises:
Double input end, this double input end have the first input end and second input;
Connector;
Power conversion circuit; And
Output;
Wherein connector is an integration magnetic element, and this integrates magnetic element is the different electrical power signal input of integrating the aforementioned first input end and second input in order to connect.
Wherein first input end uses for AC power input.
Wherein second input uses for direct current power supply input.
Wherein integrate magnetic element and comprise a magnetic core, first coil groups and second coil groups or inductance coil.
Shared this magnetic core of first coil groups and second coil groups or inductance coil wherein.
Wherein first coil groups comprises first siding ring and second siding ring, and this first coil groups is used for the ac/dc conversion.
Wherein second coil groups comprises first siding ring and second siding ring, and this second coil groups is used for DC/DC conversion.
Wherein inductance coil is used for DC/DC conversion.
Wherein connector can be designed to the form of printed circuit board (PCB).
Wherein power conversion circuit has AC/DC converter, DC-DC converter, feedback circuit and filter circuit.
Description of drawings
Fig. 1 is the calcspar of double-output power supplier of the present invention.
Fig. 2 A is the connector of the double-output power supplier of the present invention schematic diagram of an embodiment wherein.
Fig. 2 B is the schematic diagram of another embodiment of connector of double-output power supplier of the present invention.
Fig. 2 C is the connector of the double-output power supplier of the present invention schematic diagram of an embodiment again.
Fig. 3 is the schematic diagram of the DC-DC converter of power supply unit of the present invention.
Fig. 4 is the schematic diagram of the DC-DC converter of known power supply unit.
Embodiment
Please refer to Fig. 1, show the calcspar of double-output power supplier of the present invention.Double-output power supplier 10 of the present invention comprises: a double input end, this double input end are the first input end 12 and second input 14; A connector 17, this connector 17 are an integration magnetic element; One power conversion circuit 20, this power conversion circuit 20 has AC/DC converter 22, DC-DC converter 24, filter circuit 25, feedback circuit 26; And output 16.
Please continue with reference to figure 1, in the present embodiment, aforementioned first input end 12 uses for AC power input, aforementioned second input 14 is for using for direct current power supply input, and aforementioned connector 17 is in order to connect the input power supply of the different electrical power signal of integrating the aforementioned first input end 12 and second input 14, and the AC/DC converter 22 of aforementioned power conversion circuit 20 receives an AC signal by aforementioned first input end 12, and the direct voltage after providing to change is in N1 node place, and the DC-DC converter 24 of aforementioned power conversion circuit 20 receives a direct current signal by aforementioned second input 14, and the direct voltage after providing to change is in N1 node place, aforementioned feedback circuit 26 then is adjusted to plateau by aforementioned AC/DC converter 22 and DC-DC converter 24 with the VD that is produced, and aforementioned filter circuit 25 then can produce a filtering direct voltage in N2 node place.
Please refer to Fig. 2 A, show the schematic diagram of the connector of double-output power supplier of the present invention.Aforementioned connector 17 is an integration magnetic element, this integration magnetic element has a magnetic core 30, first coil groups (it contains primary side and secondary side), 31 and second coil groups or inductance coil 32, first coil groups 31 can be a transformer coil group, and second coil groups or inductance coil 32 then can be a transformer coil group or single anti-current inductance coil.Aforementioned first coil groups 31 is represented first input end, and aforementioned second coil groups or inductance coil 32 are represented second input, each side being provided with a perforation 33 and aforementioned magnetic core 30 being separated type body shown in Fig. 2 A of aforementioned magnetic core 30 by this perforation 33, aforementioned first coil groups 31 is then by the left side perforation 33 of passing aforementioned magnetic core 30, ring is coated on the magnetic core 30, aforementioned second coil groups or inductance coil 32 are then by the right side perforation 33 of passing aforementioned magnetic core 30, ring is coated on the magnetic core 30, and forms the conformability magnetic element shown in Fig. 2 A.
Please refer to Fig. 2 B, show the schematic diagram of another embodiment of connector of double-output power supplier of the present invention.In this embodiment, aforementioned magnetic core 30 has four perforation 33 and by this perforation 33 aforementioned magnetic core 30 is separated as shown in the figure type body, aforementioned first coil groups 31 then bores a hole 33 by two of the upside that passes aforementioned magnetic core 30, ring is coated on the magnetic core 30, aforementioned second coil groups or inductance coil 32 are then by the following side perforation 33 that passes aforementioned magnetic core 30, ring is coated on the magnetic core 30, and forms the integration magnetic element shown in Fig. 2 B.
Please refer to Fig. 2 C, the connector of demonstration double-output power supplier of the present invention is the schematic diagram of an embodiment again.In this embodiment, two sides up and down of aforementioned magnetic core 30 respectively have a perforation 33, and aforementioned magnetic core 30 is separated as shown in the figure type body by this perforation 33, aforementioned first coil groups 31 is then by the perforation 33 of the upside that passes aforementioned magnetic core 30, ring is coated on the magnetic core 30, aforementioned second coil groups or electricity become coil 32 then by the following side perforation 33 that passes aforementioned magnetic core 30, and ring is coated on the magnetic core 30, and form the integration magnetic element shown in Fig. 2 C.
Please refer to Fig. 3, show the schematic diagram of the DC-DC converter of double-output power supplier of the present invention.DC-DC converter 24 of the present invention is to utilize a junction field effect transistor 34 (JFET) as an output protection circuit; this junction field effect transistor 34 is diode (Body diode) not; so can isolate input and export in case of necessity, and have the function of synchronous rectification simultaneously with the generation defencive function.
After describing preferred embodiment of the present invention in detail, being familiar with this technology personage can clearly understand, can carry out various variations and change not breaking away under the application's claim and the spirit, and the present invention also is not subject to the execution mode of the embodiment of specification, for example: connector of the present invention can be designed to the form of plane, as the pattern of printed circuit board (PCB).
Claims (10)
1. double-output power supplier comprises:
Double input end, this double input end have the first input end and second input;
Connector;
Power conversion circuit; And
Output;
Wherein connector is an integration magnetic element, and this integrates magnetic element is the different electrical power signal input of integrating the aforementioned first input end and second input in order to connect.
2. double-output power supplier as claimed in claim 1 is characterized in that, wherein first input end uses for AC power input.
3. double-output power supplier as claimed in claim 1 is characterized in that, wherein second input uses for direct current power supply input.
4. double-output power supplier as claimed in claim 1 is characterized in that, wherein integrates magnetic element and comprises a magnetic core, first coil groups and second coil groups or inductance coil.
5. double-output power supplier as claimed in claim 4 is characterized in that, wherein shared this magnetic core of first coil groups and second coil groups or inductance coil.
6. double-output power supplier as claimed in claim 5 is characterized in that wherein first coil groups comprises first siding ring and second siding ring, and this first coil groups is used for the ac/dc conversion.
7. double-output power supplier as claimed in claim 5 is characterized in that wherein second coil groups comprises first siding ring and second siding ring, and this second coil groups is used for DC/DC conversion.
8. double-output power supplier as claimed in claim 5 is characterized in that wherein inductance coil is used for DC/DC conversion.
9. double-output power supplier as claimed in claim 1 is characterized in that wherein connector can be designed to the form of printed circuit board (PCB).
10. double-output power supplier as claimed in claim 1 is characterized in that wherein power conversion circuit has AC/DC converter, DC-DC converter, feedback circuit and filter circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101087817A CN100511933C (en) | 2005-09-30 | 2005-09-30 | Double-output power supplier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101087817A CN100511933C (en) | 2005-09-30 | 2005-09-30 | Double-output power supplier |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1941575A true CN1941575A (en) | 2007-04-04 |
| CN100511933C CN100511933C (en) | 2009-07-08 |
Family
ID=37959447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005101087817A Expired - Fee Related CN100511933C (en) | 2005-09-30 | 2005-09-30 | Double-output power supplier |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100511933C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160519A (en) * | 2015-04-27 | 2016-11-23 | 研华股份有限公司 | Alterating and direct current source circuit and method thereof |
-
2005
- 2005-09-30 CN CNB2005101087817A patent/CN100511933C/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106160519A (en) * | 2015-04-27 | 2016-11-23 | 研华股份有限公司 | Alterating and direct current source circuit and method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100511933C (en) | 2009-07-08 |
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Legal Events
| Date | Code | Title | Description |
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| 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 | ||
| ASS | Succession or assignment of patent right |
Owner name: CHICONY POWER TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: GAOXIAO ELECTRONIC CO., LTD. Effective date: 20100512 |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 000000 TAIPEI COUNTY, TAIWAN PROVINCE TO: 000000 TAIPEI COUNTY, TAIWAN PROVINCE, CHINA |
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| TR01 | Transfer of patent right |
Effective date of registration: 20100512 Address after: 000000 Taipei County, Taiwan, China Patentee after: Chicony Power Technology Co., Ltd. Address before: 000000 Taipei County, Taiwan Province Patentee before: Gaoxiao Electronic Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090708 Termination date: 20150930 |
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| EXPY | Termination of patent right or utility model |