CN2788435Y

CN2788435Y - Power supply adapter with USB interface

Info

Publication number: CN2788435Y
Application number: CN 200520101438
Authority: CN
Inventors: 徐立华
Original assignee: BODAO SOFTWARE Co Ltd HANGZHOU
Current assignee: BODAO SOFTWARE Co Ltd HANGZHOU
Priority date: 2005-04-06
Filing date: 2005-04-06
Publication date: 2006-06-14
Anticipated expiration: 2015-04-06

Abstract

The utility model relates to a power supply adapter with a USB interface, which comprises a casing, wherein the inner of the casing is provided with a switching circuit which can transform an external power supply and can charge a mobile terminal, or an MP3 player, or a lithium ion battery charger or other electronic articles which is provided with a USB interface; at the same time, an outer shell is provided with a USB interface; the output of the switching circuit is connected to connecting feet of a power cord and an earth wire of the USB interface, and an output line of the power supply adopts a communication data line which is provided with a plug which is matched with the USB interface. The power supply adaptor can output the power supply to supply power to the mobile terminal, or the MP3 player, or the lithium ion battery charger or other kinds of similar electronic equipment which has the electricity receiving function of the USB interface, the output line of the power supply can be dismountable simultaneously, and the output line of the power supply can take electricity from the USB interface, and has the action of the communication data line simultaneously.

Description

Power supply adaptor with USB interface

Technical field

The utility model relates to a kind of power supply adapting device, refer in particular to have USB interface, can give have USB interface be subjected to electric work can electronic equipments such as charger for lithium ion battery, portable terminal, MP3 player provide power supply, out-put supply to meet the power supply adaptor of USB2.0 standard.

Background technology

At present, public power supply adaptor is the output line of power supply after the conversion and electric power conversion apparatus directly to be linked together constitute an adapter integral body, and power supply output line does not have the standardization USB interface.But along with the development of technology, increasing electronic equipment just has the function that USB interface is accepted power supply by it being subjected to electric line improve a little.And present existing power supply adaptor does not have USB female seat interface, and making to need special patchcord from the electronic equipment of USB female seat power taking, causes the inconvenience in the use.As number of patent application is that 01141193.7 Chinese patent application " is used for by the charging circuit of USB interface to the portable terminal charging ", wherein first jockey is used for and being connected of computer USB interface, second jockey is used for and being connected of the portable terminal that will charge, with adaptive device be used to make received from the power adaptation of above-mentioned USB interface in the power requirement of the portable terminal that will charge, this invention can be charged to portable terminal by the computer USB interface with simple and flexible way, but, it is only limited to from the USB mouth of electronic computer and carries out power taking, so just cause the power taking inconvenience, the shortcoming of versatility difference, though and line construction is reasonable, function admirable, but the circuit more complicated causes cost to rise, and is unfavorable for that it applies.

Summary of the invention

Technical problem to be solved in the utility model provides a kind of power supply adaptor with USB interface, this power supply adaptor out-put supply can have for portable terminal, MP3 player or charger for lithium ion battery or other are similar USB interface be subjected to electric work can electronic equipment power supply is provided, power supply output line is detachable simultaneously, and power supply output line both can play the effect of communication data line simultaneously from the power taking of USB mouth.

The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of power supply adaptor with USB interface, it includes housing, be equipped with in the housing external power supply is converted into the translation circuit that can charge to the appliance and electronic of portable terminal or MP3 player or charger for lithium ion battery or other band USB interface, simultaneously, at shell USB interface is installed, the output of translation circuit is connected on the connecting pin of the power line of USB interface and ground wire, power supply output line adopts the communication data line, and it has the plug supporting with USB interface.

Above-mentioned USB interface data wire can be unsettled with pin or with the protection terminal protecting firmly.

As improvement, the above-mentioned power supply adaptor with USB interface is made of power converting circuit that USB interface is housed and the power supply output line that has USB interface, use A type or the Type B female seat that meets the USB2.0 standard on power converting circuit, structure is a standard type.Power supply output line adopts A type or the Type B plug that meets the USB2.0 standard at the end that links to each other with power converting circuit, adopts A type or the Type B plug that meets the USB2.0 standard at the end that links to each other with the electronic equipment of accepting power supply, and structure is MINI (small) type.Power converting circuit is that power supply adaptor can be exported the power supply that meets the USB2.0 standard.Standard USB socket one end of power supply output line is inserted the USB female seat interface of power supply adaptor, the other end inserts in the electronic equipment with MINI USB interface just can provide the power supply that meets the USB2.0 standard, and other have USB interface and are subjected to the electronic equipment of electric work energy that the function of power supply is provided to be embodied as charger for lithium ion battery, portable terminal or MP3 player etc.

At last, above-mentioned housing also can be connected to general charging plug, and traditional electrical equipment in this voltage and current scope is charged, and reaches the purpose of multiple charging occupation mode.

Compared with prior art, advantage of the present utility model is: this power supply adaptor adopts USB interface, electric power conversion apparatus separates with power supply output line by USB interface and links to each other, and the power supply that meets the USB2.0 standard can not only be provided, and the power supply output line that meets the USB2.0 standard that is adopted simultaneously both can be from the power taking of USB mouth, simultaneously can be used as the communication data line, have highly versatile, the characteristics that function is many, whole power supply adaptor circuit is simple, implement easily, cost is low.

Description of drawings

Fig. 1 is a schematic diagram of the present utility model;

Fig. 2 is the used USB interface explanation of the utility model;

Fig. 3 is that this novel practical is that illustration is implemented in the portable terminal power supply;

Fig. 4 is that the utility model is applied to lithium-ion electric stall formula charger power supply enforcement illustration;

Fig. 5 is that the utility model is applied to automobile-used cigar lighter to portable terminal power supply enforcement illustration.

1. power-switching circuits among the figure, 2. out-put supply, 3. power supply adaptor USB interface, standard female seat for A type or Type B, 4. the data wire USB interface of joining with power supply adaptor, standard plug for A type or Type B, 5. two ends have the power supply output line of USB joint respectively, and the data wire USB interface that 6. links to each other with electronic equipment is the MINI plug of A type or Type B, 7. the USB interface on the electronic equipment, be the MINI USB female seat of A type or Type B, 8. have the electronic equipment that USB interface is subjected to the electric work energy, the power supply adaptor that 9. has USB interface, 10. the horizontal charger of lithium-ions battery, 11. automobile-used cigar lighters.

Embodiment

Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.

In Fig. 1; this power supply adaptor has generally included shell; be equipped with in the shell and convert external power supply such as civil power to suitable portable terminal or MP3 player or charger for lithium ion battery or other translation circuit of being with the appliance and electronic of USB interface to charge; and USB interface is installed at shell; the promptly anodal and negative pole of the output of translation circuit is connected on the connecting pin of the power line of USB interface and ground wire; being not unsettled with data wire or living with the protection terminal protecting of USB interface is exactly not allow it be used.Distribution source output line in addition, power supply output line adopts the communication data line, has the plug supporting with USB interface.

Power supply adaptor obtains meeting the power supply of USB2.0 by power-switching circuit 1, then by exporting 2 with power supply supply power adapter USB interface 3, power supply output line 5 links to each other with power supply adaptor USB interface 3 by USB interface 4, the power supply output line other end links to each other by the USB interface 7 of USB interface 6 and electronic equipment, finishes to having USB interface and is subjected to the function of supplying power of the electronic equipment 8 of electric work energy.

USB interface

3,7 related in Fig. 2 meets the USB2.0 standard, and power pins is according to the USB2.0 standard definition, and other pins are not done requirement.USB interface 3 on the power supply adaptor is specific as follows as the pinout of transmission power supply: pin 1: positive source, pin 4: power cathode; The MIN USB interface 7 that the seat of electronic equipment is filled with is specific as follows as the pinout of transmission power supply: pin 1: positive source, pin 5: power cathode.Each pinout of two

USB interface

4,6 meets the USB2.0 standard fully on the power supply output line, has communication function.Generally speaking, electronic equipment is equivalent to power line on its USB interface and ground wire that positive source is connected with the two poles of the earth of the rechargable battery of himself with negative pole or the power input part branch is connected, and is convenient to its charging work.

In the embodiment shown in fig. 3, housing is made the mains charger structure, have the pin that connects civil power, USB interface is arranged on its afterbody, power supply adaptor 9 with USB interface links to each other by the USB interface 4 of USB interface 3 and power supply output line 5, the USB interface 7 of power supply output line USB interface 6 and mobile terminal device 8 links to each other, and finishes function of supplying power.

In the embodiment shown in fig. 4, the power supply adaptor 9 with USB interface links to each other by the USB interface 4 of USB interface 3 and power

supply output line

5, and 10 USB interface 7 of power supply output line USB interface 6 and lithium-ion electric stall formula charger links to each other, and finishes function of supplying power.

In the embodiment shown in fig. 5, housing is made automobile-used cigar lighter structure, has the joint that is electrically connected with socket on the car, and USB interface is arranged on its afterbody.Power supply adaptor with the adaptive automobile-used cigar lighter 11 of USB interface links to each other by the USB interface 4 of USB interface 3 and power supply output line 5, and the USB interface 7 of power supply output line USB interface 6 and mobile terminal device 8 links to each other, and finishes function of supplying power.

Certainly, do not get rid of above-mentioned housing and also can be connected to traditional general charging plug, traditional electrical equipment in this voltage and current scope is charged the purpose that reaches multiple charging occupation mode and deposit.

Claims

1, a kind of power supply adaptor with USB interface, it includes housing, be equipped with in the housing external power supply is converted into the translation circuit that can charge to the appliance and electronic of portable terminal or MP3 player or charger for lithium ion battery or other band USB interface, simultaneously, at shell USB interface is installed, the output of translation circuit is connected on the connecting pin of the power line of USB interface and ground wire, and power supply output line adopts the communication data line, and it has the plug supporting with USB interface.

2, the power supply adaptor with USB interface according to claim 1 is characterized in that its data wire of described USB interface can be unsettled or live with the protection terminal protecting.

3, the power supply adaptor with USB interface according to claim 2, it is characterized in that described power supply output line is the communication data line that meets the USB2.0 standard, its two ends are connected to A type plug or the Type B plug that meets the USB2.0 standard respectively, and corresponding translation circuit also is to adopt to export the translation circuit that meets USB2.0 normal voltage and electric current.

4, the power supply adaptor with USB interface according to claim 3 is characterized in that described plug adopts the plug of mini structure.

5, the power supply adaptor with USB interface according to claim 3 is characterized in that described housing makes charger construction, has the pin that connects civil power, and USB interface is arranged on its afterbody.

6, the power supply adaptor with USB interface according to claim 3 is characterized in that described housing makes automobile-used cigar lighter structure, has the joint that is electrically connected with socket on the car, and USB interface is arranged on its afterbody.

7, the power supply adaptor with USB interface according to claim 1 is characterized in that described housing also can be connected to general charging plug.