CN201256365Y - General electric power adaptor - Google Patents
General electric power adaptor Download PDFInfo
- Publication number
- CN201256365Y CN201256365Y CNU2008201417163U CN200820141716U CN201256365Y CN 201256365 Y CN201256365 Y CN 201256365Y CN U2008201417163 U CNU2008201417163 U CN U2008201417163U CN 200820141716 U CN200820141716 U CN 200820141716U CN 201256365 Y CN201256365 Y CN 201256365Y
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- 230000001681 protective effect Effects 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- 230000009467 reduction Effects 0.000 claims description 10
- 238000001914 filtration Methods 0.000 claims description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000008859 change Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 238000005094 computer simulation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001012 protector Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
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Abstract
The utility model relates to a multiple power source adapter, which comprises an electromagnetic filter circuit, a rectification circuit, an impulse-width modulation control circuit, an output rectification circuit, an output voltage adjustment circuit, a protective circuit and an output voltage selector switch and a pickup output plug which are arranged in an alternating current and direct current conversion part in the shell, a filter circuit, the impulse-width modulation control circuit, a voltage reducing circuit, a voltage increasing circuit and a protective circuit in a direct current voltage conversion part, a voltage reducing control circuit, a USB interface and an indicating lamp in a USB output part, and adapter circuits which are connected. The multiple power source adapter has the beneficial effects the multiple power source adapter with the structure is convenient for carrying, the use is convenient, and the multiple power source adapter has wide market prospect. The multiple power source adapter can be used in various modernization electronic mobile equipments such as notebook computers, handsets, palm PCs and the like.
Description
Technical field
The utility model relates to a kind of power supply adaptor, particularly a kind of universal power adapter that is used for electronic products such as notebook computer, mobile phone, digital camera.
Background technology
Common on the market laptop adapter mostly is the tailor-make product of brand name computer greatly, accessory bundle sale together when this product is sold as notebook, its shortcoming is that output voltage is single, output interface is single, major part can only be used for the notebook computer model of one or one series, finds product of the same type on the market in case damage to be difficult in; This product general classical inverse violent change depressor that adopts on circuit design designs, and at first volume of transformer is bigger, directly influences the adapter volume; Secondly, the output rectifier diode in the anti-violent change depressor will stand big peak value and effective value current stress, and the thermal losses on the Schottky diode is bigger usually.Its deficiency is mainly reflected in: 1, efficient is low, and power consumption is big, causes the caloric value of adapter own big; 2, the adapter fuselage is thicker, because of factors such as its volume, weight cause carrying inconvenience; 3, only support to use under the extraneous AC power situation, for be in the people that temporarily do not have the AC power environment without any use; 4, lack necessary protective circuit, in case, can not effectively protect to notebook computer because outside cause causes electric current and voltage to have than great fluctuation process.
Summary of the invention
In view of the deficiency that prior art exists, it is flat-plate transformer that the utility model provides a kind of transformer, improves the rectifier system of transformer secondary, utilizes circuit of synchronous rectification to substitute intrinsic Schottky diode rectifier system; On the output of the adapter that original common interchange input direct current 20VDC univoltage is exported, expand to DC12V～DC20V, 6 grades of optional output voltages designs; Increase direct current input dc output circuit, utilize the Buck-Boost topological structure to realize, output voltage selection portion parallel circuit is that " exchanging the output of input direct current " and " output of direct current input direct current " two parts circuit is shared; Increase the USB circuit part, the DC output end voltage is converted to the universal power adapter of 5V voltage output.
The technical scheme that the utility model is taked for achieving the above object is: a kind of universal power adapter, comprise housing, it is characterized in that also comprising the adapter circuit that is arranged in the housing, described adapter circuit comprises: hand over, the direct current transform portion, the direct voltage conversion portion, the USB output, described friendship, the direct current transform portion, comprise: the em filtering circuit, rectification circuit, control circuit for pulse-width modulation, output rectification circuit, output voltage is adjusted circuit, protective circuit, the output voltage selector switch, described direct voltage conversion portion comprises: filter circuit, control circuit for pulse-width modulation, reduction voltage circuit, booster circuit, protective circuit, described USB output comprises: the step-down control circuit, USB interface, indicator light, its circuit is connected to: hand over, em filtering circuit in the direct current transform portion successively with rectification circuit, control circuit for pulse-width modulation, output rectification circuit, output voltage is adjusted circuit and is connected, and described output voltage is adjusted circuit, be connected with control circuit for pulse-width modulation and output voltage selector switch respectively after the protective circuit parallel connection; Filter circuit in the direct voltage conversion portion is connected with control circuit for pulse-width modulation; described control circuit for pulse-width modulation is connected with reduction voltage circuit, booster circuit, protective circuit respectively; be connected with protective circuit, output voltage adjustment circuit and step-down control circuit one end respectively after described reduction voltage circuit, the booster circuit parallel connection, the step-down control circuit is connected with indicator light and USB interface respectively.
The beneficial effects of the utility model are: the universal power adapter of this structure, be easy to carry, and easy to use, have wide market prospects.Can be used for each Modern Electronic mobile device such as notebook, mobile phone, palmtop PC.
This universal power adapter, its functional characteristics is as follows: 1,6 grades of optional output voltages are provided, and 12V, 15V, 16V, 18V, 19V, 20V almost cover the voltage scope of application of all brand notebook computers of market.2, provide 10 kinds of replaceable output interfaces, adapt to the requirement of different computers charging inlet.3, the DC-DC translation function is arranged, but provide charging for electrical appliance under the automobile scenarios.4, standard 5V USB output function is arranged, can be mobile phone, MP3, portable electronic digital product such as digital camera provides charging.5, the defencive function design is perfect; the alternating current-direct current part all possesses: overvoltage protection; overload protection; under-voltage protection; overheat protector, defencive functions such as short-circuit protection enter guard mode indicator light flicker output voltage and cut off; removing product when guard mode can recover operate as normal automatically in 10S, effectively protect user side electricity consumption product.6,, take the lead in adopting flat-plate transformer to replace traditional transformer in the adapter field for reducing product thickness.7, for improving transformation efficiency, reduce power consumption, take the lead in using the synchronous rectification design.8, in DC-DC, can plant the design of employing Buck-boost topological structure and adjust suitable output voltage requirement, and adopt under-voltage protection function effectively to protect automobile storage battery.This each grade of product output is permanent power output.
Description of drawings
Fig. 1 is that circuit of the present utility model connects block diagram and as Figure of abstract.
Embodiment
As shown in Figure 1, universal power adapter, comprise housing, also comprise the adapter circuit that is arranged in the housing, adapter circuit comprises: hand over, the direct current transform portion, the direct voltage conversion portion, the USB output, hand over, the direct current transform portion, comprise: the em filtering circuit, rectification circuit, control circuit for pulse-width modulation, output rectification circuit, output voltage is adjusted circuit, protective circuit, the output voltage selector switch, the direct voltage conversion portion comprises: filter circuit, control circuit for pulse-width modulation, reduction voltage circuit, booster circuit, protective circuit, the USB output comprises: the step-down control circuit, USB interface, indicator light, its circuit is connected to: hand over, em filtering circuit in the direct current transform portion successively with rectification circuit, control circuit for pulse-width modulation, output rectification circuit, output voltage is adjusted circuit and is connected, and output voltage is adjusted circuit, be connected with control circuit for pulse-width modulation and output voltage selector switch respectively after the protective circuit parallel connection; Output voltage selector switch output line connects 10 kinds of plugs; filter circuit in the direct voltage conversion portion direct voltage conversion portion is connected with control circuit for pulse-width modulation; control circuit for pulse-width modulation is connected with reduction voltage circuit, booster circuit, protective circuit respectively; be connected with protective circuit, output voltage adjustment circuit and step-down control circuit one end respectively after reduction voltage circuit, the booster circuit parallel connection, the step-down control circuit is connected with indicator light and USB interface respectively.The input voltage of reduction voltage circuit is from the 20V sampled voltage of output after the rectification in the AC and DC conversion circuit.
Claims (1)
1, a kind of universal power adapter, comprise housing, it is characterized in that also comprising the adapter circuit that is arranged in the housing, described adapter circuit comprises: hand over, the direct current transform portion, the direct voltage conversion portion, the USB output, described friendship, the direct current transform portion, comprise: the em filtering circuit, rectification circuit, control circuit for pulse-width modulation, output rectification circuit, output voltage is adjusted circuit, protective circuit, the output voltage selector switch, described direct voltage conversion portion comprises: filter circuit, control circuit for pulse-width modulation, reduction voltage circuit, booster circuit, protective circuit, described USB output comprises: the step-down control circuit, USB interface, indicator light, its circuit is connected to: hand over, em filtering circuit in the direct current transform portion successively with rectification circuit, control circuit for pulse-width modulation, output rectification circuit, output voltage is adjusted circuit and is connected, and described output voltage is adjusted circuit, be connected with control circuit for pulse-width modulation and output voltage selector switch respectively after the protective circuit parallel connection; Filter circuit in the direct voltage conversion portion is connected with control circuit for pulse-width modulation; described control circuit for pulse-width modulation is connected with reduction voltage circuit, booster circuit, protective circuit respectively; be connected with protective circuit, output voltage adjustment circuit and step-down control circuit one end respectively after described reduction voltage circuit, the booster circuit parallel connection, the step-down control circuit is connected with indicator light and USB interface respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201417163U CN201256365Y (en) | 2008-08-25 | 2008-08-25 | General electric power adaptor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201417163U CN201256365Y (en) | 2008-08-25 | 2008-08-25 | General electric power adaptor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201256365Y true CN201256365Y (en) | 2009-06-10 |
Family
ID=40739693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201417163U Expired - Fee Related CN201256365Y (en) | 2008-08-25 | 2008-08-25 | General electric power adaptor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201256365Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103582223A (en) * | 2012-08-07 | 2014-02-12 | 欧司朗股份有限公司 | Illuminating device |
| CN104044751A (en) * | 2014-06-27 | 2014-09-17 | 广东电网公司佛山供电局 | Unmanned aerial vehicle camera remote control system, aerial photographing equipment and unmanned aerial vehicle |
| CN106549590A (en) * | 2015-09-16 | 2017-03-29 | 台达电子工业股份有限公司 | Embedded power conversion device and power supply system applicable to same |
| WO2018170717A1 (en) * | 2017-03-21 | 2018-09-27 | 深圳市欸阿技术有限公司 | Power supply circuit having adjustable output voltage and electrical connector |
| CN111326054A (en) * | 2020-04-02 | 2020-06-23 | 中国人民解放军陆军工程大学 | Power supply circuit for electric power teaching |
-
2008
- 2008-08-25 CN CNU2008201417163U patent/CN201256365Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103582223A (en) * | 2012-08-07 | 2014-02-12 | 欧司朗股份有限公司 | Illuminating device |
| CN103582223B (en) * | 2012-08-07 | 2017-06-16 | 欧司朗股份有限公司 | Lighting device |
| CN104044751A (en) * | 2014-06-27 | 2014-09-17 | 广东电网公司佛山供电局 | Unmanned aerial vehicle camera remote control system, aerial photographing equipment and unmanned aerial vehicle |
| CN104044751B (en) * | 2014-06-27 | 2017-03-08 | 广东电网公司佛山供电局 | Unmanned vehicle camera tele-control system, take photo by plane equipment and unmanned vehicle |
| CN106549590A (en) * | 2015-09-16 | 2017-03-29 | 台达电子工业股份有限公司 | Embedded power conversion device and power supply system applicable to same |
| WO2018170717A1 (en) * | 2017-03-21 | 2018-09-27 | 深圳市欸阿技术有限公司 | Power supply circuit having adjustable output voltage and electrical connector |
| CN111326054A (en) * | 2020-04-02 | 2020-06-23 | 中国人民解放军陆军工程大学 | Power supply circuit for electric power teaching |
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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: 20090610 Termination date: 20120825 |