CN201821140U - Power supply of USB device - Google Patents
Power supply of USB device Download PDFInfo
- Publication number
- CN201821140U CN201821140U CN2010205664896U CN201020566489U CN201821140U CN 201821140 U CN201821140 U CN 201821140U CN 2010205664896 U CN2010205664896 U CN 2010205664896U CN 201020566489 U CN201020566489 U CN 201020566489U CN 201821140 U CN201821140 U CN 201821140U
- Authority
- CN
- China
- Prior art keywords
- usb
- power supply
- usb device
- female seat
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Power Sources (AREA)
Abstract
The utility model belongs to the field of power supplies and discloses a power supply of a USB (universal serial bus) device. The power supply comprises a power supply body, a voltage conversion module, a USB interface, a USB switching module and a plurality of USB jacks; the voltage output end of the power supply body is connected with the input end of the voltage conversion module; the output end of the voltage conversion module is connected with each USB jack; the USB interface is connected with the USB switching module; and the USB switching module is also connected with each USB jack. The power supply can satisfy the demands of users on the USB interface.
Description
Technical field
The utility model relates to field of power supplies, the power supply of particularly a kind of USB (Universal Serial BUS, USB) equipment.
Background technology
Along with development of science and technology, the performance of notebook computer is more and more higher, thereby makes notebook computer obtain user's extensive use.The user usually uses notebook computer to handle various data.
For example, the user usually is inserted into USB device such as portable hard drive or digital camera in the USB female seat that notebook computer carries, and utilizes notebook computer that the data in the USB device such as portable hard drive or digital camera are handled then.
In realizing process of the present utility model, the inventor finds that there is following problem at least in prior art:
The user often needs simultaneously a plurality of USB device to be inserted in the notebook computer, and the limited amount of the USB female seat that notebook computer carries, and can't satisfy user's demand.
The utility model content
In order to satisfy the demand of user to USB interface, the utility model provides a kind of power supply of USB device.Described technical scheme is as follows:
A kind of power supply of USB device, described power supply comprise power supply body, voltage transformation module, USB interface, USB interconnecting module and a plurality of USB female seat;
The voltage output end of described power supply body links to each other with the input of described voltage transformation module, and the output of described voltage transformation module links to each other with each USB female seat respectively; Described USB interface links to each other with described USB interconnecting module, and described USB interconnecting module also links to each other with described each USB female seat respectively.
Second USB device is inserted on the USB female seat of power supply of first USB device, the USB interface of power supply links to each other with the USB interface that first USB device carries, and so, takies a USB interface of first USB device, just can connect a plurality of second USB device simultaneously, satisfy user's request.
Description of drawings
Fig. 1 is the power supply schematic diagram of a kind of USB device of providing of the utility model embodiment 1;
Fig. 2 be the USB device that provides of the utility model embodiment 1 power supply respectively with first USB device and the second USB device connection diagram;
Fig. 3 be the USB device that provides of the utility model embodiment 1 power supply respectively with notebook computer, data card and digital camera connection diagram.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, the utility model execution mode is described in further detail below in conjunction with accompanying drawing.
Embodiment 1
As shown in Figure 1, the utility model embodiment provides a kind of power supply of USB device, comprising:
Power supply body 1, voltage transformation module 2, USB interface 3, USB interconnecting module 4 and a plurality of USB female seat 5;
Wherein, the voltage output end of power supply body 1 links to each other with the input of voltage transformation module 2, and the output of voltage transformation module 2 links to each other with each USB female seat 5 respectively; USB interface 3 links to each other with USB interconnecting module 4, and USB interconnecting module 4 also links to each other with each USB female seat 5 respectively.
Wherein, voltage transformation module 2 can be transformer, and USB interface 3 can be USB plug, and USB interconnecting module 4 can be usb hub.
Wherein, the voltage output end output voltage of power supply body 1 is given voltage transformation module 2, and voltage transformation module 2 receives the voltage of power supply bodies 1 output, and is normal voltage with the voltage transitions that receives, and the normal voltage of conversion is exported to each USB female seat 5.
Wherein, in the present embodiment, the voltage of the voltage output end of power supply body 1 output is direct voltage.So the voltage transitions that voltage transformation module 2 is exported power supply body 1 in the mode of DC/DC (Direct Current/Direct Current, DC-DC) is a normal voltage, and the normal voltage of conversion is exported to each USB female seat;
Wherein, normal voltage can be the GB charger voltage.The voltage of the voltage output end output of power supply body 1 is generally 16V or 25V, and the GB charger voltage is generally 5V.
Wherein, referring to Fig. 2, the voltage output end of the power supply body 1 of this power supply can also link to each other with the power port of first USB device, and first USB device can also link to each other with the USB interface 3 of this power supply, and second USB device can directly link to each other with the USB female seat 5 of this power supply.
Wherein, the voltage output end output voltage of power supply body 1 is given first USB device, normally moves for first USB device.The voltage of voltage transformation module 2 outputs can communicate for each the USB female seat 5 and second USB device.
Wherein, the process that second USB device sends data is specially: when second USB device links to each other with the USB female seat 5 of this power supply, the 2nd USB elder generation is with the ID (IDentity of self, sign) sends to the USB female seat 5 that directly links to each other with it, this USB female seat 5 receives the ID of this second USB device and is transmitted to USB interconnecting module 4, USB interconnecting module 4 receives the ID of this second USB device and is transmitted to USB interface 3, USB interface 3 receives the ID of this second USB device and is transmitted to first USB device, and first USB device receives the also ID of this second USB device of buffer memory.The data that this second USB device can also send other by above-mentioned identical process are to first USB device.
Wherein, the process that first USB device sends data is specially: first USB device transmission data and ID are to the USB interface 3 of this power supply, USB interface 3 receives the data and the ID of first USB device transmission and is transmitted to USB interconnecting module 4, USB interconnecting module 4 receives data and the ID that USB interface 3 sends, according to the ID that receives, the data that send reception are to USB female seat 5, this USB female seat 5 receives the data of USB interconnecting module 4 transmissions and is transmitted to second USB device that links to each other with self, and this second USB device receives the data that this USB female seat 5 sends.
Wherein, USB interconnecting module 3 according to the ID that receives, is searched the second corresponding USB device when data that receive USB interface 3 transmissions and ID, give the USB female seat 5 that links to each other with second USB device of searching with the data forwarding that receives; When receiving the data of any USB female seat 5 transmissions, give USB interface 3 with the data forwarding that receives.
Wherein, power supply body 1 can be battery or battery pack, and first USB device can be notebook computer, and the USB interface that first USB device carries can be the USB female seat, and second USB device can be portable hard drive, digital camera or data card.
For example, as shown in Figure 3, in the present embodiment, with first USB device is that notebook computer, second USB device are that data card and digital camera are that example describes, the USB interface 3 of power supply is connected to the USB female seat of notebook computer, the voltage output end of the power supply body 1 of power supply is connected to the power port of notebook computer, the USB plug of data card and digital camera is inserted in respectively on the USB female seat 5 of power supply, and the ID of data card and digital camera is respectively ID1 and ID2.
Wherein, data card and digital camera are on being inserted into the USB female seat 5 of power supply the time, data card sends to USB female seat 5 with the ID1 of self, USB female seat 5 receives the ID1 of data card and is transmitted to USB interconnecting module 4, USB interconnecting module 4 receives the ID1 of data card and is transmitted to USB interface 3, USB interface 3 receives the ID1 of data card and is transmitted to notebook computer, and notebook computer receives the also ID1 of data cached card; Digital camera sends to notebook computer by identical process with self ID2, and notebook computer receives and the ID2 of data cached sign indicating number camera.If data card or digital machine need send other data to notebook computer, then send data to notebook computer by above-mentioned identical process.
If notebook computer need send data to data card, then send data and ID1 to USB interface 3, USB interface 3 receives these data and ID1 and is transmitted to USB interconnecting module 4, USB interconnecting module 4 receives these data and ID1, find out data card according to the ID1 that receives, transmit these data and give the USB female seat 5 that links to each other with data card, this USB female seat 5 receives these data and is transmitted to data card, and data card receives this data.If notebook computer need send data to digital camera, then send to the data camera by identical method.
Wherein, in the present embodiment, notebook computer only need provide a USB female seat to link to each other with the USB interface 3 of power supply, and USB device such as data card and digital camera directly are inserted on the USB female seat 5 of power supply, thereby can take a USB female seat of notebook computer, just can connect a plurality of USB device simultaneously, satisfy user's demand.
In the utility model embodiment, second USB device is inserted on the USB female seat of power supply, the USB interface of power supply links to each other with a USB interface in first USB device, so, take a USB interface of first USB device, just can connect a plurality of second USB device simultaneously, satisfy the demand of user the USB interface of USB device.
The above only is preferred embodiment of the present utility model, and is in order to restriction the utility model, not all within spirit of the present utility model and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within the protection range of the present utility model.
Claims (4)
1. the power supply of a USB device is characterized in that, described power supply comprises power supply body, voltage transformation module, USB interface, USB interconnecting module and a plurality of USB female seat;
The voltage output end of described power supply body links to each other with the input of described voltage transformation module, and the output of described voltage transformation module links to each other with each USB female seat respectively; Described USB interface links to each other with described USB interconnecting module, and described USB interconnecting module also links to each other with described each USB female seat respectively.
2. power supply as claimed in claim 1 is characterized in that, described voltage transformation module is a transformer.
3. power supply as claimed in claim 1 is characterized in that, described USB interface is a USB plug.
4. power supply as claimed in claim 1 is characterized in that, described USB interconnecting module is a usb hub.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205664896U CN201821140U (en) | 2010-10-14 | 2010-10-14 | Power supply of USB device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205664896U CN201821140U (en) | 2010-10-14 | 2010-10-14 | Power supply of USB device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201821140U true CN201821140U (en) | 2011-05-04 |
Family
ID=43919082
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205664896U Expired - Lifetime CN201821140U (en) | 2010-10-14 | 2010-10-14 | Power supply of USB device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201821140U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107247179A (en) * | 2017-05-03 | 2017-10-13 | 北京世纪龙脉科技有限公司 | A kind of voltage detecting circuit of USB device |
-
2010
- 2010-10-14 CN CN2010205664896U patent/CN201821140U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107247179A (en) * | 2017-05-03 | 2017-10-13 | 北京世纪龙脉科技有限公司 | A kind of voltage detecting circuit of USB device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104508917A (en) | Data cable for fast charging | |
| CN202872142U (en) | Multifunctional USB (Universal Serial Bus) data line | |
| CN202856125U (en) | Data line and system using the data line | |
| CN202076618U (en) | Concentrator for transmitting data and charging simultaneously | |
| CN201188204Y (en) | Nine-needle type RS232 communication power supply serial port | |
| CN201821140U (en) | Power supply of USB device | |
| CN205377389U (en) | Quick charging device of mobile terminal and system | |
| CN205015832U (en) | Multicomputer auto -change over device with quick charge function | |
| CN205211382U (en) | Show auto -change over device with quick charge function | |
| CN204597589U (en) | Charger and AC-DC thereof change module and DC-to-DC conversion module | |
| CN201503927U (en) | Multi-point interchange power connecting line | |
| CN202632303U (en) | Mobile card reader | |
| CN102163781B (en) | Hub capable of realizing data transmission and charge simultaneously | |
| CN202102426U (en) | Digital equipment utilizing USB (universal serial bus) 3.0 interface | |
| CN201877126U (en) | U disk with functions of USB (universal serial bus)-HUB | |
| CN206076672U (en) | A kind of multiplex data wire | |
| CN201985388U (en) | Port extension device | |
| CN208255758U (en) | The wired conversion equipment with wireless transmission of computer-aided equipment | |
| CN102544920A (en) | Cable | |
| CN201869223U (en) | Machine to machine terminal, communication module and data sending device | |
| CN201966449U (en) | Hub for portable electronic equipment | |
| CN205139906U (en) | Multi -functional wireless converter interface of computer | |
| CN201797204U (en) | Universal serial bus (USB) concentrator for power supply | |
| CN201260134Y (en) | Electric power supply device having multiple output ports | |
| CN104953406A (en) | Data line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee after: Huawei terminal (Shenzhen) Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: HUAWEI DEVICE Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181224 Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: HUAWEI DEVICE Co.,Ltd. Address before: 518129 Building 2, B District, Bantian HUAWEI base, Longgang District, Shenzhen, Guangdong. Patentee before: Huawei terminal (Shenzhen) Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110504 |