CN211015493U - Switching or distributor for converting USB-C interface into HDMI interface - Google Patents
Switching or distributor for converting USB-C interface into HDMI interface Download PDFInfo
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- CN211015493U CN211015493U CN202020094755.3U CN202020094755U CN211015493U CN 211015493 U CN211015493 U CN 211015493U CN 202020094755 U CN202020094755 U CN 202020094755U CN 211015493 U CN211015493 U CN 211015493U
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Abstract
The utility model discloses a switching or distributor of USB-C interface conversion HDMI interface, through the conversion chip that has Alt-mode with USB-C's signal separation USB signal, and convert Display port signal into the HDMI signal, the USB signal is through USB switching chip and USBHUB chip after, conveniently insert USB equipment such as mouse and keyboard, saved and switched or be equipped with a USB-C in addition when distributing to the notebook computer or other mobile device that have the USB-C interface and change the HDMI line, can be one or many USB-C interface the equipment connection switch or distributor on, reach simple structure, the function is various, use and convenient to carry and low cost's effect.
Description
Technical Field
The utility model relates to a switch technical field, in particular to switching or distributor of USB-C interface conversion HDMI interface.
Background
The input end of the traditional HDMI switching and distributing device is only provided with an HDMI interface, and has become the mainstream at the mobile device end with the increasing use of USB-C interfaces of the existing devices; however, when the conventional switching or distributing device is used, the USB-C interface signal needs to be converted into the HDMI interface signal, so that different signal converters or conversion lines need to be matched during use, signal loss and compatibility are caused, and the device is not easy to carry. Causing resource waste, inconvenient use and higher cost.
SUMMERY OF THE UTILITY MODEL
The utility model mainly aims to provide a switching or distributor of USB-C interface conversion HDMI interface can effectively solve the problem among the background art.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a switching or distributor for converting a USB-C interface into an HDMI interface comprises:
the USB-C input module is provided with a USB-C female seat and a conversion chip with an alt-mode, and the USB-C female seat is connected with the conversion chip;
the switching module is used for selecting one of the HDMI signals or Display port signals from the plurality of HDMI signals or Display port signals to output;
a distribution module for distributing one HDMI signal into a plurality of identical HDMI signals;
the HDMI output module is used for connecting display equipment;
the USB-C input module is connected with the switching module or the distribution module, and the switching module and the distribution module are connected with the HDMI output module.
Further, the USB interface device also comprises a USB-A module, wherein the USB-A module is connected with the USB-C input module.
Further, the USB-A module is provided with a USB switching chip, a USB-A female seat and a USBHUB chip, and the USB-A female seat is connected with the USB-A female seat and the USBHUB chip respectively.
Further, the USB-A module is also provided with an electrostatic protection circuit.
Furthermore, the HDMI output module is also provided with an electrostatic protection circuit and a common mode filter circuit.
Furthermore, the number of the USB-C input modules is multiple.
Further, the number of the HDMI output modules is multiple.
Further, the HDMI output terminal is an HDMI-a output interface.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model relates to a rationally, high durability and convenient use, through the conversion chip that has Alt-mode with USB-C's signal separation USB signal and with Display port signal conversion HDMI signal conversion, the USB signal switches chip and USBHUB chip through USB, conveniently insert USB equipment such as mouse and keyboard, it changes the HDMI line to be equipped with a USB-C in addition when having saved notebook computer or other mobile device that have the USB-C interface and switching or distributing, equipment connection that can one or many USB-C interfaces is to switching or distributor on, reach simple structure, the function is various, use and convenient to carry and low cost's effect.
Drawings
Fig. 1 is a schematic structural diagram of a switching or distributing device for converting a USB-C interface into an HDMI interface according to the present invention.
Fig. 2 is a schematic structural diagram of the switching or distributing device of the USB-C interface conversion HDMI interface according to the present invention.
Fig. 3 is a schematic structural diagram of a switching or distributing device for converting the USB-C interface into the HDMI interface according to the present invention.
Fig. 4 is a schematic structural diagram of the switching or distributing device of the USB-C interface conversion HDMI interface according to the present invention.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
A switch or distributor for converting a USB-C interface to an HDMI interface as shown in fig. 1-4, comprising:
the USB-C input module is provided with a USB-C female seat and a conversion chip with alt-mode, the USB-C female seat is connected with the conversion chip and directly outputs Display port or HDMI signals and USB signals, 12pin contacts are arranged on two sides of a USB-C female seat interface, normal work can be achieved without dividing insertion of the front side and the back side, and the front side and the back side can be achieved through a dynamic allocation working mode. The module transmission rate supports the transmission of 4K60Hz with the highest resolution, the using environment is equipment with a USB-C interface such as AppleMacBook, the converted HDMI signals support 4K60Hz at the highest level, all characteristics of high-definition videos such as EDID and HPD are supported, and the maximum 20V/5A forward and reverse power supply is supported;
the switching module is used for selecting one HDMI from the plurality of HDMI signals to output;
the distribution module is used for distributing one HDMI signal into a plurality of same HDMI signals;
the HDMI output module is provided with an HDMI Type A female seat and is used for connecting display equipment;
the USB-C input module is connected with the switching module or the distribution module, and the switching module and the distribution module are connected with the HDMI output module.
Specifically, as shown in the first figure, the USB-A module is further included, and the USB-A module is connected with the USB-C input module.
The USB-A module is provided with a USB switching chip, a USB-A female seat and a USBHUB chip, and the USB-A female seat is connected with the USB-A female seat and the USBHUB chip respectively.
The USB-A module is also provided with an electrostatic protection circuit.
The HDMI output module is also provided with an electrostatic protection circuit and a common mode filter circuit.
Specifically, as shown in fig. 2 and 4, there are a plurality of USB-C input modules.
Specifically, as shown in fig. 3 and 4, the number of HDMI output modules is plural.
The HDMI output end is an HDMI-A output interface.
When the USB-C socket works, the USB-C socket is used as an input interface, equipment with USB-C, such as a computer, is accessed to a USB-C cable through the USB-C, a conversion chip with DISP L AYPORT alt-mode is communicated with the equipment with the computer, and the like to negotiate, so that a dynamic distribution working mode is realized, the equipment with the computer, and the like is switched to a Display port mode, a DISP L AYPORT signal is converted into a TMDS (HDMI) signal through the conversion chip, the conversion chip conforms to the HDMI2.0 standard, an HDMI signal with 4K/60hz is output at the highest, then the HDMI signal is switched or distributed and sent to an HDMI output interface, a USB2.0 signal separated from the USB-C of the HDMI class A socket is connected to the USB-A socket through a USBHUB chip, the source end USB2.0 specification is conformed to, and the input of a plurality of USB-C is switched to the signal source according to the selection of the rear end HDMI signal.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (8)
1. A switching or distributor for converting a USB-C interface into an HDMI interface, comprising:
the USB-C input module is provided with a USB-C female seat and a conversion chip with an alt-mode, and the USB-C female seat is connected with the conversion chip;
the switching module is used for selecting one of the HDMI signals or Display port signals from the plurality of HDMI signals or Display port signals to output;
a distribution module for distributing one HDMI signal into a plurality of identical HDMI signals;
the HDMI output module is used for connecting display equipment;
the USB-C input module is connected with the switching module or the distribution module, and the switching module and the distribution module are connected with the HDMI output module.
2. The switch or distributor of USB-C interface conversion HDMI interface according to claim 1, further comprising a USB-A module, said USB-A module is connected to said USB-C input module.
3. The switch or distributor of USB-C interface conversion HDMI interface according to claim 2, wherein said USB-A module has a USB switch chip, a USB-A female socket and a USBHUB chip, said USB-A female socket is connected with said USB-A female socket and said USBHUB chip respectively.
4. The switch or distributor of USB-C interface conversion HDMI interface of claim 3, wherein said USB-A module further has an electrostatic protection circuit.
5. The switch or distributor of the USB-C interface converting HDMI interface of claim 1, wherein said HDMI output module further comprises an electrostatic protection circuit and a common mode filter circuit.
6. The switch or distributor of any one of USB-C interface conversion HDMI interface of claims 1-5, wherein said USB-C input module is multiple.
7. The switch or distributor of any one of the USB-C interface conversion HDMI interfaces according to claims 1-5, wherein said HDMI output modules are multiple.
8. The switch or distributor of USB-C interface converting HDMI interface of claim 7, wherein said HDMI output is HDMI-A output interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020094755.3U CN211015493U (en) | 2020-01-16 | 2020-01-16 | Switching or distributor for converting USB-C interface into HDMI interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020094755.3U CN211015493U (en) | 2020-01-16 | 2020-01-16 | Switching or distributor for converting USB-C interface into HDMI interface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211015493U true CN211015493U (en) | 2020-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020094755.3U Active CN211015493U (en) | 2020-01-16 | 2020-01-16 | Switching or distributor for converting USB-C interface into HDMI interface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211015493U (en) |
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2020
- 2020-01-16 CN CN202020094755.3U patent/CN211015493U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Switch or distributor of usb-c interface to HDMI interface Effective date of registration: 20211018 Granted publication date: 20200714 Pledgee: Shenzhen hi tech investment small loan Co.,Ltd. Pledgor: SHENZHEN XFANIC TECHNOLOGY Co.,Ltd. Registration number: Y2021440020114 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |