CN101552542B - Multiplex universal power adapter - Google Patents
Multiplex universal power adapter Download PDFInfo
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- CN101552542B CN101552542B CN2008100723109A CN200810072310A CN101552542B CN 101552542 B CN101552542 B CN 101552542B CN 2008100723109 A CN2008100723109 A CN 2008100723109A CN 200810072310 A CN200810072310 A CN 200810072310A CN 101552542 B CN101552542 B CN 101552542B
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Abstract
The invention discloses a multiplex universal power adapter relating to a power adaptive device of an electronic device, in particular to a multiplex universal power adapter which is suitable for various portable electronic devices, can independently and intelligently regulate output voltage, has self-adapting power matching, conforms to the prior national standard and has a changeover plug. The multiplex universal power adapter is provided with an AC/DC converting circuit, a DC/DC converting circuit, a power measurement and control circuit, a sampling and protection circuit, a display circuit, a voltage regulating key and at least one group of voltage regulating circuits. The invention can be suitable for all mobile electronic devices and portable electronic devices such as cellphones, digital cameras, walkmans, game machines, DV, PDA, MP3/MP4, domestic routers, ADSL_MODEM, notebook computers, and the like and brings great convenience for using and carrying the devices.
Description
Technical field
The present invention relates to a kind of power supply adapting device of electronic equipment, but especially a kind of multiplex universal power adapter that can adapt to multiple portable electric appts, the adjusting of output voltage autonomous intelligence.
Background technology
Communication society, individual and family have increased many portable type electronic products, as mobile phone, digital camera, DV, walkman, game machine, MP3/MP4, ADSL_MODEM, router etc.But each part of these products all needs to be equipped with an independent power adaptor/, because can not be general, use and carries very inconveniently, the more important thing is the significant wastage that causes social resources.Because this class power supply adaptor adopts inductive transformer mostly, heat energy loss accounts for the about 40% of input electric energy, and loss is serious, is unfavorable for environmental protection.In the mobile digital product, have only notebook computer power bigger, 90～120W is generally arranged; The power of most other mobile electronic products generally has only 10～50W.
Influence power supply adaptor and can not general factor mainly contain three aspects: the one, output voltage is inconsistent; The 2nd, power output has difference; The 3rd, attaching plug is nonstandard.In these 3 factors, voltage and power are technical problems, and plug is to belong to the national standard problem.Attaching plug can be formulated relevant standard by country and reach unified.As long as solved this 3 problems like this, power supply adaptor just can be realized unified and general.
Usually can use a plurality of electronic equipments simultaneously, typical situation is: use ADSL_MODEM, wireless router, notebook computer online.At this moment usually see on the power patch panel and stuck with one and another power supply adaptor.This kind situation can be brought serious electric energy loss, the wasting of resources.From the angle of the whole society, this waste is quite huge.But just need the power supply adaptor of multichannel independent regulation this moment.Also do not see similar products in the market.
But relevant power adaptor/reference information Estate Division standard YD/T 1591-2006.
Summary of the invention
The objective of the invention is at existing power supply adaptor can not be general etc. problem, but provide a kind of multiple portable electric appts, output voltage autonomous intelligence of adapting to regulate, have the adaptive power coupling, not only followed national existing standard but also the multiplex universal power adapter of changeover plug is arranged.The present invention can be suitable for all mobile electronic devices, portable electron device, and is little of mobile phone, digital camera, walkman, game machine, DV, PDA, MP3/MP4 etc.; Big to family expenses router, ADSL_MODEM, notebook computer etc.
The present invention is provided with AC/DC translation circuit, DC/DC translation circuit, power supply telemetry circuit, sampling/protective circuit, display circuit, pressure regulation button and at least 1 group voltage regulator circuit.The external civil power alternating voltage of AC/DC translation circuit input; DC/DC translation circuit input termination AC/DC translation circuit output; per 1 group voltage regulator circuit input termination DC/DC translation circuit output; sampling/protective circuit input termination voltage regulator circuit output; the power supply telemetry circuit is provided with microprocessor control circuit; A/D change-over circuit and D/A change-over circuit; the A/D change-over circuit input of the feedback output voltage output termination power telemetry circuit of voltage sample/protective circuit; the microprocessor control circuit input of A/D change-over circuit output termination power telemetry circuit; the D/A change-over circuit input of the microprocessor control circuit output termination power telemetry circuit of power supply telemetry circuit; the signal input end of D/A change-over circuit output termination voltage regulator circuit; make the required direct voltage of voltage regulator circuit output user; the microprocessor control circuit output termination display circuit input of power supply telemetry circuit; the pressure regulation button is connected with the microprocessor control circuit of power supply telemetry circuit, and sampling/protective circuit output is the input of user's required voltage.
The AC/DC translation circuit is provided with filter circuit, rectification circuit and voltage stabilizing circuit, the external civil power 110V/220V of filter circuit input alternating voltage, rectification circuit input end connects the filter circuit output, voltage stabilizing circuit input termination rectification circuit output end, the AC/DC translation circuit is converted to civil power 110V/220V alternating voltage more stable than High Level DC Voltage.
The voltage output range that voltage regulator circuit is set is direct current 2～26V.When setting voltage output＜10V, the voltage up-down amplitude is 0.2V; When setting voltage output 〉=10V, the voltage up-down amplitude is 1.0V.Power output has plurality of specifications such as 20～120W according to the model difference.
After voltage was set, adapter can be preserved this voltage setting value automatically.When using next time,, then need not to reset again if the voltage of setting is identical.
Display circuit can adopt at least 2 bit digital LED display circuits, display setting output voltage values, actual output voltage value and alarm signal etc.
Per 1 group of pressure regulation button is provided with rising pressure regulation button and decline pressure regulation button, and the pressure regulation button is preferably established mobile phone one switch.
The AC/DC translation circuit is converted to civil power 110V/220V alternating voltage the direct voltage of about 200～300V through rectifying and wave-filtering, transformation, the DC/DC translation circuit is the scope that initialization circuit needs with higher dc voltage conversion, the required magnitude of voltage of key assignments user is pressed in pressure regulation, sampling/protective circuit feedback output voltage is given power supply telemetry circuit control output voltage value, and the required magnitude of voltage of key assignments user is pressed in pressure regulation; Microprocessor control circuit is according to setting voltage value, and corresponding variable DC voltage, output area 2～26V are exported in control; Display circuit display setting magnitude of voltage, output voltage values, alarm signal etc., protective circuit provides overvoltage, overcurrent protection.
The output of every road all has rising pressure regulation button and decline pressure regulation button, and microprocessor is according to the operation of rising pressure regulation button and decline pressure regulation button, and control D/A change-over circuit output control signal corresponding is given voltage regulator circuit, the direct voltage that output needs; Sampling/protective circuit is input to microprocessor with output voltage through the A/D change-over circuit, and microprocessor is exported to the LED display circuit with transformation result; After sampled signal is input to microprocessor, carry out protection controls such as overvoltage, overcurrent.
At the mobile phone products that meets national standard, disposed a switch separately with the special power supply/charge that is suitable for mobile phone;
Compare with existing power supply adaptor, the present invention can adapt to multiple portable electric appts, but the output voltage autonomous intelligence regulate, have the adaptive power coupling, not only followed national existing standard but also function such as changeover plug arranged.The present invention can be suitable for all mobile electronic devices, portable electron device, and is little of mobile phone, digital camera, walkman, game machine, DV, PDA, MP3/MP4 etc.; Big to family expenses router, ADSL_MODEM, notebook computer etc., give using and carry and bringing great convenience of these equipment.
Description of drawings
Fig. 1 is the structure composition frame chart of the embodiment of the invention.
Fig. 2 is the AC/DC translation circuit of the embodiment of the invention and the circuit theory diagrams of DC/DC translation circuit.
Fig. 3 is the voltage regulator circuit of the embodiment of the invention and the circuit theory diagrams of sampling/protective circuit.
Fig. 4 is the circuit theory diagrams of pressure regulation button, power supply telemetry circuit and the display circuit of the embodiment of the invention.In Fig. 4, only provide the schematic diagram of single channel (single channel).
Embodiment
As shown in Figure 1; the embodiment of the invention is provided with AC/DC translation circuit 1, DC/ DC translation circuit 2,3 road voltage regulator circuits 31～33,3 tunnel sampling/protective circuits 41～43,3 tunnel pressure regulation button CH1～CH3, power supply telemetry circuit 6 and No. 3 display circuits 71～73, and the pressure regulation button also is provided with handset switch K.
External civil power alternating voltage (the AC Input of AC/DC translation circuit 1 input; 100V/220V); DC/DC translation circuit 2 input termination AC/DC translation circuits 1 output; 3 road voltage regulator circuits, 31～33 inputs connect DC/DC translation circuit 2 outputs respectively; 3 tunnel sampling/protective circuits, 41～44 inputs connect 3 road voltage regulator circuits, 31～33 outputs respectively; power supply telemetry circuit 6 is provided with microprocessor control circuit; A/D change-over circuit 61 and D/A change-over circuit 62; A/D change-over circuit 61 inputs of the feedback output voltage output termination power telemetry circuit 6 of 3 road voltage samples/protective circuit 41～44; the microprocessor control circuit input of A/D change-over circuit 61 output termination power telemetry circuits 6; D/A change-over circuit 62 inputs of the microprocessor control circuit output termination power telemetry circuit 6 of power supply telemetry circuit 6; D/A change-over circuit 62 outputs connect the signal input end of 3 road voltage regulator circuits 31～33 respectively; make the required direct voltage of 3 road voltage regulator circuits output user; the microprocessor control circuit output of power supply telemetry circuit 6 connects No. 3 display circuits 71～73 inputs respectively; 3 tunnel pressure regulation buttons 51～53 are connected with the microprocessor control circuit of power supply telemetry circuit 6 respectively with handset switch K, and 3 tunnel sampling/protective circuits, 41～43 outputs are the input of user's required voltage.
VD (DC Output) is: the 1st tunnel 6～26V ,～100W; The 2nd tunnel 2～12V, 10～30W; The 3rd tunnel 2～12V, 10～30W.
As shown in Figure 2, the AC/DC translation circuit is made up of filter circuit L101, bridge rectifier D101 and filter circuit L102, civil power 110V/220V alternating voltage is converted to more stable than High Level DC Voltage; The DC/DC translation circuit is output as 30～55V, and this output comprises 48V and considers for satisfying the following new power standard in Europe.
As shown in Figure 3, the input voltage vin of voltage telemetry circuit is from the output (referring to the output of Fig. 2) of DC/DC translation circuit, 1 pin input by integrated circuit U201, regulation voltage Vx from microprocessor is imported by 4,6 pin of integrated circuit U201, in order to regulate the output of control integrated circuit U201, its 14 pin output voltage is output as Vout after the filter circuit filtering of inductance L 201 and resistance R 207 compositions.Sample circuit (R207) feeds back to the voltage telemetry circuit with output voltage and measures the back demonstration for microprocessor.
As shown in Figure 4, integrated circuit U301 is microcontroller MCU, and integrated circuit U302 is a controller, and integrated circuit U303 is the two or three-digit light-emitting diode display; Rising pressure regulation button S301 (UP) and decline pressure regulation button S302 (DOWN) are input to signal 18,17 pin of integrated circuit U301 (microcontroller MCU) respectively, microprocessor MCU produces 1,2 pin that conditioning signal is exported to integrated circuit U302 according to rising pressure regulation button S301 (UP) and decline pressure regulation button S302 (DOWN), integrated circuit U302 produces regulation voltage V1/V2 and exports the DC/DC module to by 5,6 pin, i.e. Vx among Fig. 3; Integrated circuit U303 is a display module, by microprocessor MCU control output voltage, electric current, alarm signal etc.
When detecting the excessive or temperature of electric current when too high, protective circuit can be cut off output.
If power supply/charge at the mobile phone products that meets national standard, then directly press handset switch S303, the mobile phone voltage of the automatic outputting standard of multiple power supplies adapter this moment needn't be selected output voltage by rising pressure regulation button S301 (UP) and decline pressure regulation button S302 (DOWN) again.
Power output can have 30～120W plurality of specifications according to the model difference.Passage 1 (the 1 tunnel) power output is higher, about 100W, and voltage-regulation scope deflection is high-end, is 6～26V; The rest channels power output is at 10～30W, and the voltage-regulation scope is at 2～12V.Adapter can be preserved voltage setting value last time automatically, and the output of every road all has independently lift adjustment button and LED demonstration output.
Claims (5)
1. multiplex universal power adapter, it is characterized in that being provided with the AC/DC translation circuit, the DC/DC translation circuit, the power supply telemetry circuit, sampling/protective circuit, display circuit, pressure regulation button and at least 1 group voltage regulator circuit, the external civil power alternating voltage of AC/DC translation circuit input, DC/DC translation circuit input termination AC/DC translation circuit output, per 1 group of voltage regulator circuit input termination DC/DC translation circuit output, sampling/protective circuit input termination voltage regulator circuit output, the power supply telemetry circuit is provided with microprocessor control circuit, A/D change-over circuit and D/A change-over circuit, the A/D change-over circuit input of the feedback output voltage output termination power telemetry circuit of voltage sample/protective circuit, the microprocessor control circuit input of A/D change-over circuit output termination power telemetry circuit, the D/A change-over circuit input of the microprocessor control circuit output termination power telemetry circuit of power supply telemetry circuit, the signal input end of D/A change-over circuit output termination voltage regulator circuit, make the required direct voltage of voltage regulator circuit output user, the microprocessor control circuit output termination display circuit input of power supply telemetry circuit, the pressure regulation button that is used to set user's required voltage value is connected with the microprocessor control circuit of power supply telemetry circuit, and sampling/protective circuit output is the input of user's required voltage; The voltage output range that described voltage regulator circuit is set is direct current 2～26V.
2. multiplex universal power adapter as claimed in claim 1, it is characterized in that the AC/DC translation circuit is provided with filter circuit, rectification circuit and voltage stabilizing circuit, the external civil power 110V/220V of filter circuit input alternating voltage, rectification circuit input end connects the filter circuit output, voltage stabilizing circuit input termination rectification circuit output end.
3. multiplex universal power adapter as claimed in claim 1 is characterized in that display circuit is at least 2 bit digital LED display circuits.
4. multiplex universal power adapter as claimed in claim 1 is characterized in that per 1 group of described pressure regulation button is provided with rising pressure regulation button and decline pressure regulation button.
5. as claim 1 or 4 described multiplex universal power adapters, it is characterized in that the pressure regulation button is provided with handset switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100723109A CN101552542B (en) | 2008-12-08 | 2008-12-08 | Multiplex universal power adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100723109A CN101552542B (en) | 2008-12-08 | 2008-12-08 | Multiplex universal power adapter |
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| Publication Number | Publication Date |
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| CN101552542A CN101552542A (en) | 2009-10-07 |
| CN101552542B true CN101552542B (en) | 2010-12-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008100723109A Expired - Fee Related CN101552542B (en) | 2008-12-08 | 2008-12-08 | Multiplex universal power adapter |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102348307B (en) * | 2010-07-30 | 2014-04-09 | 深圳市桑达实业股份有限公司 | LED street lamp and driving power supply circuit thereof |
| CN104281184B (en) * | 2013-07-05 | 2016-03-02 | 汕头市易普联科技有限公司 | Adaptive power supply system and method for supplying power to |
| CN104269995A (en) * | 2014-10-23 | 2015-01-07 | 成都卓微科技有限公司 | Power adapter |
| CN104767401B (en) * | 2015-04-24 | 2018-01-30 | 上海雷迅防雷技术有限公司 | Intelligent power |
| CN108092494A (en) * | 2017-11-23 | 2018-05-29 | 深圳市思创华源科技有限公司 | A kind of multifunction power power supply |
| FI128052B (en) * | 2018-04-16 | 2019-08-30 | Lappeenrannan Teknillinen Yliopisto | A power converter for a bioelectrochemical system |
| CN108649774A (en) * | 2018-05-19 | 2018-10-12 | 安徽国电京润电力科技有限公司 | A kind of intelligent voltage adapter |
| CN210120490U (en) * | 2019-05-07 | 2020-02-28 | 深圳威富智慧家居科技有限公司 | Continuous direct current output device |
| CN110492717A (en) * | 2019-07-01 | 2019-11-22 | 联想(北京)有限公司 | A kind of processing equipment and processing method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2503666Y (en) * | 2000-12-18 | 2002-07-31 | 宜兴市海德电子有限公司 | Linear power-supply adapter |
| CN201112509Y (en) * | 2007-06-13 | 2008-09-10 | 顾亚东 | Multipurpose charging device |
-
2008
- 2008-12-08 CN CN2008100723109A patent/CN101552542B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2503666Y (en) * | 2000-12-18 | 2002-07-31 | 宜兴市海德电子有限公司 | Linear power-supply adapter |
| CN201112509Y (en) * | 2007-06-13 | 2008-09-10 | 顾亚东 | Multipurpose charging device |
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| CN101552542A (en) | 2009-10-07 |
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Granted publication date: 20101201 Termination date: 20131208 |