CN218183416U - TYPE-C interface changes multiple video signal interface converter - Google Patents
TYPE-C interface changes multiple video signal interface converter Download PDFInfo
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- CN218183416U CN218183416U CN202222068184.8U CN202222068184U CN218183416U CN 218183416 U CN218183416 U CN 218183416U CN 202222068184 U CN202222068184 U CN 202222068184U CN 218183416 U CN218183416 U CN 218183416U
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Abstract
The utility model relates to a TYPE-C interface changes multiple video signal interface converter, including TYPE-C interface, PD agreement module, DP line concentration module, multichannel multiplexer module, HDMI interface, DP interface, wherein, PD agreement module passes through TYPE-C interface and host computer equipment communication connection; the DP line concentration module is used for expanding a plurality of output interfaces; the multi-channel multiplexer module is used for switching and outputting DP or HDMI signals; the TYPE-C interface is electrically connected with the PD protocol module and the DP hub module respectively; the DP line concentration module is electrically connected with the DP interface, the multi-channel multiplexer module, the HDMI interface, the PD protocol module and the TYPE-C interface respectively; the multichannel multiplexer module is electrically connected with the DP interface, the HDMI interface and the DP hub module. The utility model discloses can solve the not high problem of TYPE-C interface commentaries on classics multiple video signal interface adaptability.
Description
Technical Field
The utility model relates to an interface circuit field, concretely relates to TYPE-C interface changes multiple video signal interface converter.
Background
With the continuous development of display technologies, the resolution of displays is continuously improved, the demands of consumers for display are gradually changed from 4K display to 8K display, the current video display technology with High Definition resolution, mainstream display devices include interfaces such as HDMI (High Definition Multimedia Interface) and DP (display port), most of current handheld devices (such as notebook computers, mobile phones and tablets) only include USB TYPE-C interfaces and cannot be directly connected with High Definition display devices, and the current handheld devices can be realized only through converters.
When a plurality of external display devices are needed, the output interface of the traditional converter is a fixed interface, and only TYPE-C conversion of a plurality of HDMI interfaces can be supported, or TYPE-C conversion of two HDMI and one DP interface is realized, so that the interface of other combinations cannot be realized through one converter, a plurality of converters are needed, and the expansion adaptability of the current converter needs to be improved urgently.
Disclosure of Invention
To the not enough of existence among the above-mentioned prior art, the utility model provides a TYPE-C interface changes multiple video signal interface converter, TYPE-C interface changes multiple video signal interface converter can solve the not high problem of TYPE-C interface change multiple video signal interface adaptability.
In order to achieve the above object, the utility model provides a following technical scheme: an interface converter for converting a TYPE-C interface into multiple video signals, comprising: TYPE-C interface, PD protocol module, DP line concentration module, multi-channel multiplexer module, HDMI interface, DP interface,
the TYPE-C interface comprises a TYPE-C uplink interface and a TYPE-C downlink interface, the TYPE-C uplink interface is used for connecting host equipment, and the TYPE-C downlink interface is connected with the PD protocol module;
the PD protocol module is in communication connection with the host equipment through the TYPE-C interface;
the DP hub module is used for expanding a plurality of output interfaces;
the multichannel multiplexer module is used for switching and outputting DP or HDMI signals;
the TYPE-C interface is electrically connected with the PD protocol module and the DP hub module respectively; the DP hub module is electrically connected with the DP interface, the multi-channel multiplexer module, the HDMI interface, the PD protocol module and the TYPE-C interface respectively; the multichannel multiplexer module is electrically connected with the DP interface, the HDMI interface and the DP hub module.
Further, the PD protocol module model is RTS5459.
Further, the model of the DP hub module is RTD2188, and the DP hub module includes five output ports.
Further, the multichannel multiplexer module includes 2 multichannel multiplexer chips, the model of the multichannel multiplexer chip is PI3WVR14412, and each multichannel multiplexer chip is connected to 1 HDMI interface and 1 DP interface.
Furthermore, when the same multi-channel multiplexer chip corresponds to the HDMI and the DP are connected with a display device, the DP hub module outputs a DP signal, and the host device is communicated with the DP interface.
Further, when any one of the HDMI interface and the DP interface corresponding to the same multi-channel multiplexer chip is connected to a display device, when the other interface is connected to the display device, the host device is connected to the other interface.
Furthermore, when the HDMI and the DP corresponding to the same multichannel multiplexer chip are connected with a display device, any one of the HDMI and the DP is disconnected, and the host device is communicated with the interface which is kept connected.
Further, the maximum resolution supported by the multichannel multiplexer chip is 8K @60Hz.
The utility model provides a TYPE-C interface changes multiple video signal interface converter can be with the high definition DP of TYPE-C signal conversion for multiple combination relation, the HDMI signal, detect HDMI interface and DP interface state through DP line concentration module, control multichannel multiplexer module switches the route that corresponds, and give the display device who corresponds the interface with original signal transmission, realize host computer equipment and a plurality of display device transmission audio video signal, reduce the quantity of converter, it is more convenient to use, the problem that TYPE-C interface changes multiple video signal interface adaptability is not high has been solved.
Drawings
The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic diagram of a frame of an interface converter for converting a TYPE-C interface into various video signals according to the present invention;
fig. 2 is a schematic circuit diagram of an interface converter for converting a TYPE-C interface into multiple video signals according to the present invention;
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are provided only for illustrating the present invention, but are not intended to limit the scope of the present invention.
This embodiment provides a TYPE-C interface changes multiple video signal interface converter can be with the high definition DP of TYPE-C signal conversion multiple combinatorial relation, the HDMI signal, detect HDMI interface and DP interface state through DP line concentration module, control multichannel multiplexer module switches the route that corresponds, and give the display device who corresponds the interface with original signal transmission, realize host computer equipment and a plurality of display device transmission audio and video signal, reduce the quantity of converter, it is more convenient to use, the problem that TYPE-C interface changes multiple video signal interface adaptability is not high has been solved.
Referring to fig. 1, the present embodiment provides an interface converter for converting a TYPE-C interface into multiple video signals, which includes a TYPE-C interface 10, a PD protocol module 11, a DP line concentrator module 12, a multi-channel multiplexer module 13, an HDMI interface 14, and a DP interface 15, wherein,
the TYPE-C interface 10 comprises a TYPE-C uplink interface and a TYPE-C downlink interface, the TYPE-C uplink interface is used for connecting host equipment, and the TYPE-C downlink interface is connected with the PD protocol module 11;
the PD protocol module 11 is in communication connection with the host equipment through the TYPE-C interface 10;
the DP line concentrator module 12 is configured to expand a plurality of output interfaces;
the multi-channel multiplexer module 13 is configured to switch and output a DP or HDMI signal;
the TYPE-C interface 10 is electrically connected with the PD protocol module 11 and the DP hub module 12 respectively; the DP line concentrator module 12 is electrically connected to the DP interface 15, the multi-channel multiplexer module, the HDMI interface 14, the PD protocol module 11, and the TYPE-C interface 10, respectively; the multi-channel multiplexer module is electrically connected to the DP interface 15, the HDMI interface 14, and the DP line concentrator module 12.
In the embodiment of the present invention, the converter for converting the TYPE-C interface into multiple video signals includes 3 DP interfaces 15 and 2 HDMI interfaces 14, which are divided into 3 groups of interface signals, one group is: 1 DP interface 151, two sets: 1 DP interface 152 and 1 HDMI interface 142, three sets: 1 DP interface 153 and 1 HDMI interface 143.
Optionally, the PD protocol module model is RTS5459.
Optionally, the DP hub module is RTD2188, and the DP hub module includes five output ports.
Optionally, the multi-channel multiplexer module includes 2 multi-channel multiplexer chips, the model of the multi-channel multiplexer chip is PI3WVR14412, and each of the multi-channel multiplexer chips is connected to 1 HDMI interface and 1 DP interface.
In the embodiment of the invention, 1 HDMI and 1 DP corresponding to one multichannel multiplexer chip are a group of interfaces, and only one interface display device can output signals at the same time through the same group of interfaces.
In the embodiment of the present invention, as shown in fig. 2, the DP line concentrator module 12 is used to detect the states of the pins (HPD) of the HDMI 14 and the DP interface 15, and control the GPU _ SEL pin of the multi-channel multiplexer chip (PI 3WVR 14412) to switch to the corresponding path according to the high and low level states of the pins (HPD), so as to implement the transmission of audio and video signals between the host device and the multiple display devices.
In the embodiment of the present invention, the group of interfaces (DP interface 151) is an interface capable of operating at any time, and the group of interfaces (DP interface 152 and HDMI interface 142) and the group of interfaces (DP interface 153 and HDMI interface 143) can only output a DP interface or an HDMI interface at the same time.
In the embodiment of the present invention, the two groups of interfaces and the three interfaces have the following three connection scenarios: scene one: the DP interface and the HDMI interface are simultaneously connected with the display equipment; scene two: one interface of the DP interface and the HDMI interface is connected with the display equipment, and the other interface is connected with the other display equipment; scene three: the DP interface and the HDMI interface are connected with the display device, and any one of the DP interface and the HDMI interface is disconnected with the display device.
Scene one
When the DP hub module (RTD 2188) detects that the HDMI interface and the DP interface corresponding to the same control multi-channel multiplexer chip (PI 3WVR 14412) are both high level, the DP hub module (RTD 2188) switches the path to the DP interface by controlling a GPU _ SEL pin of the multi-channel multiplexer chip (PI 3WVR 14412) to output a DP signal, and the host device is communicated with the DP interface.
Scene two
When the DP bus concentrator module (RTD 2188) detects that the same HDMI interface and the DP interface corresponding to the control multichannel multiplexer chip (PI 3WVR 14412) are high level and low level respectively, and then detects that the interface of low level changes into high level, the DP bus concentrator module (RTD 2188) switches the path to the interface corresponding to the low level through a GPU _ SEL pin of the control multichannel multiplexer chip (PI 3WVR 14412), and the host device is communicated with the interface of the low level changing into high level.
Scene three
When the DP line concentrator module (RTD 2188) detects that the HDMI interface and the DP interface corresponding to the same control multi-channel multiplexer chip (PI 3WVR 14412) are both at a high level and then detects that one of the interfaces changes to a low level, the DP line concentrator module (RTD 2188) switches a path to a continuous high-level interface by controlling a GPU _ SEL pin of the multi-channel multiplexer chip (PI 3WVR 14412), and the host device is connected to the continuous high-level interface.
Optionally, the maximum resolution supported by the multichannel multiplexer chip is 8k @60hz.
The utility model provides a TYPE-C interface changes multiple video signal interface converter can be with TYPE-C signal conversion for the high definition DP of multiple combination relation, the HDMI signal, detect HDMI interface 14 and DP interface 15 state through DP line concentration module 12, control multichannel multiplexer module 13 switches the route that corresponds, and give the display device who corresponds the interface with original signal transmission, realize host computer equipment and a plurality of display device transmission audio frequency and video signal, reduce the quantity of converter, it is more convenient to use, the problem that TYPE-C interface changes multiple video signal interface adaptability is not high has been solved.
While the principles of the invention have been described in detail in connection with the preferred embodiments thereof, it will be understood by those skilled in the art that the foregoing embodiments are merely illustrative of exemplary implementations of the invention and are not to be construed as limiting the scope of the invention. The details in the embodiments do not constitute the limitations of the scope of the present invention, and under the circumstances of the spirit and scope of the present invention, any obvious changes such as equivalent transformation, simple replacement based on the technical solution of the present invention all fall within the protection scope of the present invention.
Claims (8)
1. An interface converter for converting a TYPE-C interface into multiple video signals, comprising: TYPE-C interface, PD protocol module, DP line concentration module, multi-channel multiplexer module, HDMI interface, DP interface,
the TYPE-C interface comprises a TYPE-C uplink interface and a TYPE-C downlink interface, the TYPE-C uplink interface is used for connecting host equipment, and the TYPE-C downlink interface is connected with the PD protocol module;
the PD protocol module is in communication connection with the host equipment through the TYPE-C interface;
the DP line concentration module is used for expanding a plurality of output interfaces;
the multichannel multiplexer module is used for switching and outputting DP or HDMI signals;
the TYPE-C interface is electrically connected with the PD protocol module and the DP hub module respectively; the DP hub module is electrically connected with the DP interface, the multi-channel multiplexer module, the HDMI interface, the PD protocol module and the TYPE-C interface respectively; the multichannel multiplexer module is electrically connected with the DP interface, the HDMI interface and the DP hub module.
2. The TYPE-C interface to multi-TYPE video signal interface converter of claim 1 wherein said PD protocol module model is RTS5459.
3. The TYPE-C interface to multi-video signal interface converter of claim 1 wherein said DP hub module is of TYPE RTD2188, said DP hub module comprising five output ports.
4. The TYPE-C interface to multi-video signal interface converter of claim 1, wherein said multi-channel multiplexer module comprises 2 multi-channel multiplexer chips, said multi-channel multiplexer chip having a model number PI3WVR14412, each of said multi-channel multiplexer chips being connected to 1 HDMI interface and 1 DP interface.
5. The converter for converting the TYPE-C interface into multiple video signals according to claim 4, wherein when the HDMI interface and the DP interface corresponding to the same multi-channel multiplexer chip are both connected to a display device, the DP hub module outputs a DP signal, and the host device is connected to the DP interface.
6. The device for converting a TYPE-C interface into multiple video signals according to claim 4, wherein when any one of said HDMI and said DP interface corresponding to said multi-channel multiplexer chip is connected to a display device, said host device is connected to said other interface when said other interface is connected to a display device.
7. The converter for converting a TYPE-C interface into multiple video signals according to claim 4, wherein when the HDMI and the DP corresponding to the same multi-channel multiplexer chip are connected to a display device, any one of the HDMI and the DP is disconnected, and the host device is connected to the interface that is kept connected.
8. The TYPE-C interface-to-multi-video signal interface converter of claim 4, wherein the maximum resolution supported by said multichannel multiplexer chip is 8k @60hz.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202222068184.8U CN218183416U (en) | 2022-08-05 | 2022-08-05 | TYPE-C interface changes multiple video signal interface converter |
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| CN202222068184.8U CN218183416U (en) | 2022-08-05 | 2022-08-05 | TYPE-C interface changes multiple video signal interface converter |
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