CN202586785U - Universal power adapter - Google Patents
Universal power adapter Download PDFInfo
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- CN202586785U CN202586785U CN2012202195903U CN201220219590U CN202586785U CN 202586785 U CN202586785 U CN 202586785U CN 2012202195903 U CN2012202195903 U CN 2012202195903U CN 201220219590 U CN201220219590 U CN 201220219590U CN 202586785 U CN202586785 U CN 202586785U
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- 238000005070 sampling Methods 0.000 claims abstract description 11
- 238000001914 filtration Methods 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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Abstract
The utility model relates to a universal power adapter. The general power adapter can be compatible with the chargers of all mobile phones containing Apple iPhone, and tablet computers. The universal power adapter comprises a power adapter shell and a circuit board arranged in the power adapter shell, wherein the circuit board comprises an AC (alternating current) input port, a common mode filter circuit, a rectifier circuit, a DC (direct current) conversion circuit, a pulse width modulation control circuit, a voltage sampling circuit, an output voltage regulation circuit, a charging switch circuit, an electric quantity display circuit, a first output interface circuit and a second output interface circuit; the input end of the AC input port is connected with an AC power supply; and the output end of the first output interface circuit and the output end of the second output interface circuit are connected with different kinds of electronic equipment to be charged respectively. The universal power adapter is applied to charging the chargers of the various mobile phones and tablet computers.
Description
Technical field
The utility model relates to universal power adapter, can compatible comprise apple iPhone at all interior mobile phones, panel computer charger.
Background technology
Many portable electric appts all have dc power source adapter, such as mobile phone, digital camera, MP3, panel computer or the like.But the power supply adaptor of the portable electric appts of above-mentioned dissimilar, different model can not be general, and is more loaded down with trivial details, gives using and carrying and all come great inconvenience of user.
In addition, along with Apple emerges rapidly, the electronic product of its brand relies on its superpower performance and high-quality industrial design to win numerous users' favor, wherein iPad series, iPhone serial frivolous, the portable intelligent product is the most outstanding.But just owing to its frivolous portable design, the volume of its internal battery is restricted, thereby has influenced the capacity of battery; And the advantage of intelligent artifacts such as iPad, iPhone biases toward mobile the application, makes electric weight expend acceleration, often uses half a day even several hrs just to need charging, and this user's use has caused very big inconvenience.And rarely have the portable power source of supporting the apple series product on the existing market.
The utility model content
The utility model technical problem to be solved provides a kind of universal power adapter, can compatible comprise apple iPhone at all interior mobile phones, the mains charger of panel computer.
In order to solve the problems of the technologies described above; The technical scheme that the utility model adopted is; A kind of universal power adapter; Comprise power supply adaptor shell and the circuit board that is arranged in the power supply adaptor shell, said circuit board comprises ac input end mouth, common mode filtering circuit, rectification circuit, DC converting circuit, control circuit for pulse-width modulation, voltage sampling circuit, output voltage adjustment circuit, charge switch circuit, electric weight display circuit, first output interface circuit and second output interface circuit.The input of ac input end mouth connects alternating-current power supply; The output of ac input end mouth connects the input of common mode filtering circuit; The output of common mode filtering circuit connects the input of rectification circuit; The output of rectification circuit connects the input of DC converting circuit; The output of DC converting circuit is connected the input of control circuit for pulse-width modulation with the output of voltage sampling circuit; The output of control circuit for pulse-width modulation connects the input of output voltage adjustment circuit, and the output of output voltage adjustment circuit connects the input of voltage sampling circuit and the input of charge switch circuit, and the output of charge switch circuit connects input, the input of first output interface circuit and the input of second output interface circuit of electric weight display circuit.The output of the output of first output interface circuit and second output interface circuit is connected different electronic equipments to be charged respectively.
Further, the compatible apple charging inlet of said first output interface circuit.Concrete; Said first output interface circuit comprises resistance R 25, resistance R 26, resistance R 29 and resistance R 22, and an end of resistance R 25 is connected the 5V power supply with an end of resistance R 26, and the other end of resistance R 25 connects an end of resistance R 29 and the anode of the data wire of band charged electronic equipment; The other end of resistance R 26 connects an end of resistance R 22 and the negative terminal of the data wire of band charged electronic equipment; The other end ground connection of the other end of resistance R 29 and resistance R 22, wherein, resistance R 25, resistance R 26, resistance R 29 and resistance R 22 are the identification resistance of apple products; The resistance of resistance R 25 is 43.2K; The resistance of resistance R 26 is 75K, and the resistance of resistance R 29 is 49.9K, and the resistance of resistance R 22 is 49.9K.
Further, said control circuit for pulse-width modulation is made up of digital PWM current mode controller IW1691-03 and peripheral circuit thereof.
Further, said output voltage adjustment circuit is to be realized by transformer EPC1701 and peripheral circuit coupling output thereof.
The utility model has adopted the foregoing circuit structure, has following advantage: the compatible apple charging inlet of said first output interface circuit, can charge to the apple series product through the utility model like this; The utlity model has two output interfaces (first output interface and second output interface), like this, can be that two electronic equipments charge simultaneously; In addition, the utility model also has charge switch circuit, under situation about need not charge, closes the utility model universal power adapter, to avoid stand-by power consumption.
Description of drawings
Fig. 1 is the module diagram of the circuit board of the utility model embodiment.
Fig. 2 is the circuit theory diagrams of the circuit board of the utility model embodiment.
Embodiment
Combine accompanying drawing and embodiment that the utility model is further specified at present.
As shown in Figure 1; A kind of universal power adapter of the utility model; Comprise power supply adaptor shell and the circuit board that is arranged in the power supply adaptor shell, said circuit board comprises ac input end mouth, common mode filtering circuit, rectification circuit, DC converting circuit, control circuit for pulse-width modulation, voltage sampling circuit, output voltage adjustment circuit, charge switch circuit, electric weight display circuit, first output interface circuit and second output interface circuit.
The input of said ac input end mouth connects alternating-current power supply; The output of ac input end mouth connects the input of common mode filtering circuit; The output of common mode filtering circuit connects the input of rectification circuit; The output of rectification circuit connects the input of DC converting circuit; The output of DC converting circuit is connected the input of control circuit for pulse-width modulation with the output of voltage sampling circuit; The output of control circuit for pulse-width modulation connects the input of output voltage adjustment circuit, and the output of output voltage adjustment circuit connects the input of voltage sampling circuit and the input of charge switch circuit, and the output of charge switch circuit connects input, the input of first output interface circuit and the input of second output interface circuit of electric weight display circuit.
The output of the output of first output interface circuit and second output interface circuit is connected different electronic equipments to be charged respectively.The compatible apple charging inlet of said first output interface circuit.
A preferred embodiment as the utility model; As shown in Figure 2; Said ac input end mouth connects alternating-current power supply, and this ac input end mouth is wide voltage input, can detect the voltage of 90V-260V; Both can support the civil power of the 220V in most domestic area, also can the compatible 110V alternating current of most of areas abroad.Alternating current is through the input of ac input end mouth; Behind common mode filtering circuit and rectification circuit rectifying and wave-filtering; Export electric current to control circuit for pulse-width modulation through DC converting circuit again and carry out pulse-width modulation, this control circuit for pulse-width modulation is made up of digital PWM current mode controller IW1691-03 and peripheral circuit thereof.Voltage after the modulation is by the transformer EPC1701 of the output voltage adjustment circuit output adjustment that is coupled.The voltage of coupling output is leaded up to voltage sampling circuit it is sampled, and exports sampled voltage to control circuit for pulse-width modulation and carry out pulse-width modulation; The charge switch circuit of leading up to exports electric weight display circuit, first output interface circuit and second output interface circuit to.
Wherein, Above-mentioned first output interface circuit comprises resistance R 25, resistance R 26, resistance R 29 and resistance R 22, and an end of resistance R 25 is connected the 5V power supply with an end of resistance R 26, and the other end of resistance R 25 connects an end of resistance R 29 and the anode of the data wire of band charged electronic equipment; The other end of resistance R 26 connects an end of resistance R 22 and the negative terminal of the data wire of band charged electronic equipment; The other end ground connection of the other end of resistance R 29 and resistance R 22, wherein, resistance R 25, resistance R 26, resistance R 29 and resistance R 22 are the identification resistance of apple products; The resistance of resistance R 25 is 43.2K; The resistance of resistance R 26 is 75K, and the resistance of resistance R 29 is 49.9K, and the resistance of resistance R 22 is 49.9K.
The electric weight display circuit mainly is made up of two light-emitting diodes, shows whether the electric weight under electric weight what and the charged state of electronic equipment is full of.
The universal power adapter of present embodiment has first output interface circuit and second output interface circuit, can charge to two electronic equipments to be charged that are connected to output interface circuit simultaneously; The compatible apple interface of first output interface circuit wherein then can be applicable to the instant charging of apple products.
So that apple iPhone and Samsung mobile phone are charged as example simultaneously, specify the utility model below.At first universal power adapter is inserted civil power; Charging inlet with apple iPhone inserts first output interface circuit simultaneously; The charging inlet of Samsung mobile phone is inserted second output interface circuit; Open the switch of charge switch circuit, make the entire circuit conducting, then the universal power adapter of the utility model then begins to charge for apple iPhone and Samsung mobile phone.In addition, the electric weight display circuit shows the charged state of apple iPhone and Samsung mobile phone through its LED simultaneously in real time.
Although specifically show and introduced the utility model in conjunction with preferred embodiment; But the those skilled in the art should be understood that; In the spirit and scope of the utility model that does not break away from appended claims and limited; Can make various variations to the utility model in form with on the details, be the protection range of the utility model.
Claims (5)
1. universal power adapter; It is characterized in that: comprise power supply adaptor shell and the circuit board that is arranged in the power supply adaptor shell, said circuit board comprises ac input end mouth, common mode filtering circuit, rectification circuit, DC converting circuit, control circuit for pulse-width modulation, voltage sampling circuit, output voltage adjustment circuit, charge switch circuit, electric weight display circuit, first output interface circuit and second output interface circuit; The input of ac input end mouth connects alternating-current power supply; The output of ac input end mouth connects the input of common mode filtering circuit; The output of common mode filtering circuit connects the input of rectification circuit; The output of rectification circuit connects the input of DC converting circuit; The output of DC converting circuit is connected the input of control circuit for pulse-width modulation with the output of voltage sampling circuit; The output of control circuit for pulse-width modulation connects the input of output voltage adjustment circuit; The output of output voltage adjustment circuit connects the input of voltage sampling circuit and the input of charge switch circuit, and the output of charge switch circuit connects input, the input of first output interface circuit and the input of second output interface circuit of electric weight display circuit, and the output of the output of first output interface circuit and second output interface circuit is connected different electronic equipments to be charged respectively.
2. universal power adapter according to claim 1 is characterized in that: the compatible apple charging inlet of said first output interface circuit.
3. universal power adapter according to claim 2; It is characterized in that: said first output interface circuit comprises resistance R 25, resistance R 26, resistance R 29 and resistance R 22, and an end of resistance R 25 is connected the 5V power supply with an end of resistance R 26, and the other end of resistance R 25 connects an end of resistance R 29 and the anode of the data wire of band charged electronic equipment; The other end of resistance R 26 connects an end of resistance R 22 and the negative terminal of the data wire of band charged electronic equipment; The other end ground connection of the other end of resistance R 29 and resistance R 22, wherein, resistance R 25, resistance R 26, resistance R 29 and resistance R 22 are the identification resistance of apple products; The resistance of resistance R 25 is 43.2K; The resistance of resistance R 26 is 75K, and the resistance of resistance R 29 is 49.9K, and the resistance of resistance R 22 is 49.9K.
4. universal power adapter according to claim 1 is characterized in that: said control circuit for pulse-width modulation is made up of digital PWM current mode controller IW1691-03 and peripheral circuit thereof.
5. universal power adapter according to claim 1 is characterized in that: said output voltage adjustment circuit is to be realized by transformer EPC1701 and peripheral circuit coupling output thereof.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202195903U CN202586785U (en) | 2012-05-16 | 2012-05-16 | Universal power adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012202195903U CN202586785U (en) | 2012-05-16 | 2012-05-16 | Universal power adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202586785U true CN202586785U (en) | 2012-12-05 |
Family
ID=47256147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012202195903U Expired - Fee Related CN202586785U (en) | 2012-05-16 | 2012-05-16 | Universal power adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202586785U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11569676B2 (en) | 2019-11-25 | 2023-01-31 | Milwaukee Electric Tool Corporation | Charger with nanocrystalline ferrite choke |
-
2012
- 2012-05-16 CN CN2012202195903U patent/CN202586785U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11569676B2 (en) | 2019-11-25 | 2023-01-31 | Milwaukee Electric Tool Corporation | Charger with nanocrystalline ferrite choke |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Vehicle mounted universal power supply adapter Effective date of registration: 20131115 Granted publication date: 20121205 Pledgee: Jimei Xiamen District Finance Company limited by guarantee Pledgor: Xiamen Guangkai Electronics Co., Ltd. Registration number: 2013990000852 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20150119 Granted publication date: 20121205 Pledgee: Jimei Xiamen District Finance Company limited by guarantee Pledgor: Xiamen Guangkai Electronics Co., Ltd. Registration number: 2013990000852 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Vehicle mounted universal power supply adapter Effective date of registration: 20150227 Granted publication date: 20121205 Pledgee: Jimei Xiamen District Finance Company limited by guarantee Pledgor: Xiamen Guangkai Electronics Co., Ltd. Registration number: 2015990000160 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20160421 Granted publication date: 20121205 Pledgee: Jimei Xiamen District Finance Company limited by guarantee Pledgor: Xiamen Guangkai Electronics Co., Ltd. Registration number: 2015990000160 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Vehicle mounted universal power supply adapter Effective date of registration: 20160505 Granted publication date: 20121205 Pledgee: Jimei Xiamen District Finance Company limited by guarantee Pledgor: Xiamen Guangkai Electronics Co., Ltd. Registration number: 2016990000355 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20171017 Granted publication date: 20121205 Pledgee: Jimei Xiamen District Finance Company limited by guarantee Pledgor: Xiamen Guangkai Electronics Co., Ltd. Registration number: 2016990000355 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121205 Termination date: 20190516 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |