CN205721763U - A kind of USB attachment means - Google Patents
A kind of USB attachment means Download PDFInfo
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- CN205721763U CN205721763U CN201620298176.4U CN201620298176U CN205721763U CN 205721763 U CN205721763 U CN 205721763U CN 201620298176 U CN201620298176 U CN 201620298176U CN 205721763 U CN205721763 U CN 205721763U
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- usb interface
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- 238000012905 input function Methods 0.000 description 4
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Abstract
The utility model discloses USB attachment means, including at least one first USB interface, at least one secondary USB interface, at least one the 3rd USB interface；First USB interface includes the first ground connection incoming end, the first positive voltage data access end, the first negative voltage data incoming end, the first power access end；Secondary USB interface includes the second ground connection incoming end, the second positive voltage data access end, the second negative voltage data incoming end, second source incoming end；3rd USB interface includes the 3rd ground connection incoming end, the 3rd positive voltage data access end, the 3rd negative voltage data incoming end, the 3rd power access end；First ground connection incoming end and the 3rd ground connection incoming end connect, and the first power access end and the 3rd power access end connect；Second positive voltage data access end and the 3rd positive voltage data access end connect, and the second negative voltage data incoming end and the 3rd negative voltage data incoming end connect, and can solve to input the problem less than output electricity for the electricity.
Description
Technical Field
The utility model relates to the field of electronic technology, especially, relate to a universal serial bus connecting device.
Background
With the rapid development of electronic technology, multimedia computers with high image quality and high sound quality are popular and popular in the public, and the computer popularization degree is accelerated. The proliferation of computer products drives the development of related industries, and makes the related computer peripheral products grow rapidly and become more and more popular. These computer peripheral products include mobile phone terminals, hard disk drives, optical disk drives, printers, and the like. Not only further improves the diversity of computer functions, but also provides more convenient application tools for consumers.
In order to provide more extended functions for a computer, at present, more than one USB slot is usually configured on a panel of a casing of a pc in the market to provide an interface for connecting a peripheral product of the pc to a host computer. Especially, the current USB technology can enable various computer peripheral products capable of self-identifying to load required driving programs after being connected with a computer host. Thus having plug and play convenience in operation. In addition, the USB interface can simultaneously have the functions of power supply and data transmission, so that related computer peripheral products can be operated only by connecting one USB cable.
Taking a mobile phone terminal as an example, as the power consumption of the mobile phone terminal gets higher and higher, in the standard design of the USB interface, in order to prevent the phenomenon of the computer motherboard being damaged or excessively consuming power due to the excessively high supply current, only the power limit of 5V/500mA is allowed to be supplied. Therefore, when the mobile phone terminal is connected to the host computer and is always in a state of running the program at a high speed, the power supply capacity of the host computer is often lower than the power consumption of the mobile phone terminal, and the mobile phone terminal is in a power-off state due to insufficient power, thereby causing unnecessary troubles to users.
SUMMERY OF THE UTILITY MODEL
The embodiment of the utility model provides a universal serial bus connecting device can solve the problem that input power is less than output power.
The embodiment of the utility model discloses a universal serial bus connecting device, which is characterized in that the device comprises at least one first USB interface, at least one second USB interface and at least one third USB interface; wherein:
the first USB interface comprises a first grounding access end, a first positive voltage data access end, a first negative voltage data access end and a first power supply access end;
the second USB interface comprises a second grounding access end, a second positive voltage data access end, a second negative voltage data access end and a second power supply access end;
the third USB interface comprises a third grounding access end, a third positive voltage data access end, a third negative voltage data access end and a third power supply access end; wherein:
the first grounding access end is connected with the third grounding access end, and the first power supply access end is connected with the third power supply access end;
the second positive voltage data access end is connected with the third positive voltage data access end, and the second negative voltage data access end is connected with the third negative voltage data access end.
The embodiment of the utility model provides a universal serial bus connecting device, including at least one first USB interface, at least one second USB interface and at least one third USB interface; wherein: the first USB interface comprises a first grounding access end, a first positive voltage data access end, a first negative voltage data access end and a first power supply access end; the second USB interface comprises a second grounding access end, a second positive voltage data access end, a second negative voltage data access end and a second power supply access end; the third USB interface comprises a third grounding access end, a third positive voltage data access end, a third negative voltage data access end and a third power supply access end; the first grounding access end is connected with the third grounding access end, and the first power supply access end is connected with the third power supply access end; the second positive voltage data access end is connected with the third positive voltage data access end, and the second negative voltage data access end is connected with the third negative voltage data access end. The embodiment of the utility model provides an in, this universal serial bus connecting device realizes electric quantity input function and data transmission function through two interfaces, and because first USB interface, second USB interface link to each other with the third USB interface through different ports to the agreement that leads to adopting in the connection process is different, thereby can realize different functions, thereby can be in the electric quantity input, can carry out data transmission, thereby can solve the problem that input electric quantity is less than output electric quantity.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings required for use in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a usb connection device according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of another usb connection device according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The embodiment of the utility model discloses a universal serial bus connecting device, which comprises at least one first USB interface, at least one second USB interface and at least one third USB interface; the first USB interface comprises a first grounding access end, a first positive voltage data access end, a first negative voltage data access end and a first power supply access end; the second USB interface comprises a second grounding access end, a second positive voltage data access end, a second negative voltage data access end and a second power supply access end; the third USB interface comprises a third grounding access end, a third positive voltage data access end, a third negative voltage data access end and a third power supply access end; the first grounding access end is connected with the third grounding access end, and the first power supply access end is connected with the third power supply access end; the second positive voltage data access end is connected with the third positive voltage data access end, and the second negative voltage data access end is connected with the third negative voltage data access end. The embodiment of the utility model provides an in, this universal serial bus connecting device realizes electric quantity input function and data transmission function through two interfaces, and because first USB interface, second USB interface link to each other with the third USB interface through different ports to the agreement that leads to adopting in the connection process is different, thereby can realize different functions, thereby can be in the electric quantity input, can carry out data transmission, thereby can solve the problem that input electric quantity is less than output electric quantity. The following are detailed below.
Referring to fig. 1, fig. 1 is a schematic structural diagram of a usb connection device according to an embodiment of the present invention. As shown in fig. 1, the USB connection device includes at least one first USB interface 1, at least one second USB interface 2, and at least one third USB interface 3, wherein,
the first USB interface 1 includes a first ground access 11, a first positive voltage data access 12, a first negative voltage data access 13, and a first power access 14;
the second USB interface 2 includes a second ground access terminal 21, a second positive voltage data access terminal 22, a second negative voltage data access terminal 23, and a second power supply access terminal 24;
the third USB interface 3 includes a third ground access terminal 31, a third positive voltage data access terminal 32, a third negative voltage data access terminal 33, and a third power supply access terminal 34;
the first grounding access end 11 is connected with the third grounding access end 31, and the first power supply access end 14 is connected with the third power supply access end 34;
second positive voltage data access 22 is connected to third positive voltage data access 32, and second negative voltage data access 23 is connected to third negative voltage data access 33.
The embodiment of the utility model provides an in, the incoming end of first USB interface 1 and the incoming end of third USB interface 3 all contain ground connection incoming end, positive voltage data incoming end, negative voltage data incoming end and power incoming end. Since the color of each access terminal represents a different function or effect. Specifically, the ground access terminal is mainly a ground wire, the power supply access terminal is mainly connected with a power supply, and the positive voltage data access terminal and the negative voltage data access terminal are mainly suitable for data transmission. In practical application, different access ends can be set to different colors in the production process for the convenience of identification. For example, black represents a ground access, a red line represents a power access, a white line is a negative voltage data access, and a green line is a positive voltage data access.
The embodiment of the utility model provides an in, first USB interface 1 is electric quantity input interface, and second USB interface 2 is the data transmission interface. One universal serial bus connection device can comprise at least one first USB interface 1 and at least one second USB interface 2. The number of the first USB interface 1 and the number of the second USB interface 2 are not necessarily the same, and manufacturers may adjust the number of the first USB interface 1 and the number of the second USB interface 2 as needed.
In the embodiment of the present invention, the first USB interface is an electric quantity input interface, so the first USB interface 1 can be directly connected to the power interface for charging; the second USB interface is a data transmission interface. When the second USB interface 2 is needed to perform data transmission, the first USB interface 1 needs to be connected to the power interface first, so as to trigger the second USB interface 2 to perform data transmission. That is, in the using process, when only charging is performed, the first USB interface 1 can be completed separately, and when data transmission is required, the data transmission of the second USB interface 2 can be triggered after the first USB interface 1 is connected to the power supply.
The universal serial bus connection device shown in fig. 1 comprises at least one first USB interface 1, at least one second USB interface 2 and at least one third USB interface 3; the first USB interface 1 includes a first ground access 11, a first positive voltage data access 12, a first negative voltage data access 13, and a first power access 14; the second USB interface 2 includes a second ground access terminal 21, a second positive voltage data access terminal 22, a second negative voltage data access terminal 23, and a second power supply access terminal 24; the third USB interface 3 includes a third ground access terminal 31, a third positive voltage data access terminal 32, a third negative voltage data access terminal 33, and a third power supply access terminal 34; the first ground access end 11 is connected to the third ground access end 31, and the first power access end 14 is connected to the third power access end 34; second positive voltage data access 12 is connected 32 to third positive voltage data access, and second negative voltage data access 23 is connected 33 to third negative voltage data access. The embodiment of the utility model provides an in, this universal serial bus connecting device realizes electric quantity input function and data transmission function through two interfaces, and because first USB interface 1, second USB interface 2 link to each other with third USB interface 3 through different ports to the agreement that leads to adopting in the connection process is different, thereby can realize different functions, thereby can be in the electric quantity input, can carry out data transmission, thereby can solve the problem that input electric quantity is less than output electric quantity.
Referring to fig. 2, fig. 2 is a schematic structural diagram of another usb connection device according to an embodiment of the present invention. Fig. 2 is obtained by further detailing on the basis of fig. 1, and in addition to including all the access terminals shown in fig. 1, the third USB interface further includes a null terminal 35, where the null terminal 35 is a device mode identification pin; wherein,
the empty end 35 in the third USB interface has no connection relation with each access end of the first USB interface; the dead end 35 of the third USB interface is not connected to the respective access ends of the second USB interface. That is, the connection relationship between the dummy terminal 35 and the other incoming terminals in the third USB interface includes one of a ground connection and a non-ground connection.
The embodiment of the utility model provides an in, this universal serial bus connecting device realizes electric quantity input function and data transmission function through two interfaces, and because first USB interface, second USB interface link to each other with the third USB interface through different ports to the agreement that leads to adopting in the connection process is different, thereby can realize different functions, thereby can be in the electric quantity input, can carry out data transmission, thereby can solve the problem that input electric quantity is less than output electric quantity.
In the embodiment of the present invention, the first USB interface and the second USB interface are standard USB interfaces, and the third USB interface is a micro USB interface. The standard USB interface is a common PC interface and only has 4 lines; the micro-USB interface is mainly suitable for connecting an interface of a mobile terminal, and the micro-USB interface is generally matched with the interface in the mobile terminal.
The embodiment of the present invention provides, the third USB interface further includes a hollow end, wherein the connection mode of the hollow end includes one of the ground connection and the ungrounded connection.
In the embodiments of the present invention, it should be noted that there are intersections between lines as seen in fig. 1 and 2, but in practice there are lines that are independent of each other in production.
In practical application, the utility model provides a part among the universal serial bus connecting device can merge, divide and delete according to actual need.
The above is to the utility model discloses a universal serial bus connecting device that the embodiment discloses introduces in detail, to the general technical personnel in this field, according to the utility model discloses the thought all has the change part on concrete implementation and application scope, to sum up, this specification content should not be understood as right the utility model discloses a restriction.
Claims (5)
1. A universal serial bus connecting device is characterized by comprising at least one first USB interface, at least one second USB interface and at least one third USB interface; wherein:
the first USB interface comprises a first grounding access end, a first positive voltage data access end, a first negative voltage data access end and a first power supply access end;
the second USB interface comprises a second grounding access end, a second positive voltage data access end, a second negative voltage data access end and a second power supply access end;
the third USB interface comprises a third grounding access end, a third positive voltage data access end, a third negative voltage data access end and a third power supply access end; wherein:
the first grounding access end is connected with the third grounding access end, and the first power supply access end is connected with the third power supply access end;
the second positive voltage data access end is connected with the third positive voltage data access end, and the second negative voltage data access end is connected with the third negative voltage data access end.
2. The USB connection apparatus according to claim 1, wherein the first USB interface is a power input interface.
3. The USB connection apparatus according to claim 1 or 2, wherein the second USB interface is a data transmission interface.
4. The USB connecting device according to claim 3, wherein the first USB interface and the second USB interface are standard USB interfaces, and the third USB interface is a micro-USB interface.
5. The USB connection device according to claim 4, wherein the third USB interface further comprises a dummy terminal, wherein the dummy terminal is connected in a manner of one of a ground connection and a non-ground connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620298176.4U CN205721763U (en) | 2016-04-11 | 2016-04-11 | A kind of USB attachment means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620298176.4U CN205721763U (en) | 2016-04-11 | 2016-04-11 | A kind of USB attachment means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205721763U true CN205721763U (en) | 2016-11-23 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620298176.4U Expired - Fee Related CN205721763U (en) | 2016-04-11 | 2016-04-11 | A kind of USB attachment means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205721763U (en) |
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2016
- 2016-04-11 CN CN201620298176.4U patent/CN205721763U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161123 Termination date: 20180411 |