Type C and DP super-definition audio and video bidirectional converter

Abstract

The utility model relates to the technical field of signal conversion, in particular to a Type C and DP super-definition audio and video bidirectional converter, which is characterized in that a signal conversion chip is connected with a switch control chip, an LDO (Low Dropout Regulator) voltage stabilizer is respectively connected with the signal conversion chip and the switch control chip, the signal conversion chip is connected with a Type c plug and a DP plug, the Type c plug is connected with the LDO voltage stabilizer, and the DP plug is connected with the switch control chip. And the switch control chip is respectively connected with the Type c plug and the DP plug. Compared with the prior art, the Type C and DP super-definition audio and video bidirectional converter can be a Type c-to-DP audio and video converter or a DP-to-Type c audio and video converter, the Type c-to-DP and DP-to-Type c bidirectional conversion function can be realized through one converter, the number and cost of converters required by a user are saved, and the use experience of the user is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of signal conversion, and particularly relates to a Type C and DP ultra-clear audio and video bidirectional converter.

Background Art

[0002] Generally, the signal converters in the prior art take the functions of converting Type c to DP signal and DP to Type c signal as two independent converter functions. Users need to spend more costs to achieve different signal conversion functions, and the number of converters carried is also relatively large, which is not conducive to the user experience.

Content of the Utility Model

[0003] In order to overcome the above problems, the utility model proposes a Type C and DP ultra-clear audio and video bidirectional converter that can effectively solve the above problems.

[0004] A technical solution provided by the utility model to solve the above technical problems is: to provide a Type C and DP ultra-clear audio and video bidirectional converter, which includes a signal conversion chip, a switch control chip, and an LDO voltage regulator. The signal conversion chip is connected to the switch control chip, and the LDO voltage regulator is respectively connected to the signal conversion chip and the switch control chip. The signal conversion chip is connected with a Type c plug and a DP plug. The Type c plug is connected to the LDO voltage regulator, and the switch control chip is respectively connected to the Type c plug and the DP plug; the signal conversion chip uses a VL170 model chip, and the switch control chip uses a CH7213D model chip.

[0005] Preferably, the VL170 model chip is used for converting between Type C and DP signals.

[0006] Preferably, the CH7213D model chip is used for controlling signal conversion and detecting the display port to judge the output corresponding signal source.

[0007] Preferably, the LDO voltage regulator is used for converting the 5V power supply into a 3.3V power supply to supply power to the CH7213D model chip and the VL170 model chip.

[0008] Preferably, the Type C and DP ultra-clear audio and video bidirectional converter further includes an integrally formed aluminum alloy main body shell. A PCB board is arranged inside the aluminum alloy main body shell, and the signal conversion chip, the switch control chip, and the LDO voltage regulator are arranged on the PCB board.

[0009] Preferably, one end of the PCB board is soldered with a Type-C wiring, and the other end of the PCB board is soldered with a DP wiring. Both the Type-C wiring and the DP wiring extend from the aluminum alloy main body housing. The Type-C wiring is connected to a Type-C plug, and the DP wiring is connected to a DP plug.

[0010] Preferably, the Type-C wiring and the DP wiring are respectively connected to a signal conversion chip.

[0011] Compared with the prior art, the Type-C and DP ultra-clear audio and video bidirectional converter of the present invention can be both a Type-C to DP audio and video converter and a DP to Type-C audio and video converter. Through one converter, the bidirectional conversion functions of Type-C to DP and DP to Type-C can be realized, saving the number and cost of converters required by users and facilitating the improvement of the user experience.

Description of the Drawings

[0012] Figure 1 is the structural block diagram of the Type-C and DP ultra-clear audio and video bidirectional converter of the present invention;

[0013] Figure 2 is the schematic diagram of the signal conversion chip of the Type-C and DP ultra-clear audio and video bidirectional converter of the present invention;

[0014] Figure 3 is the schematic diagram of the switch control chip of the Type-C and DP ultra-clear audio and video bidirectional converter of the present invention.

Detailed Embodiment

[0015] In order to make the purpose, technical solution and advantages of the present invention clearer, the following further details the present invention with reference to the drawings and implementation examples. It should be understood that the specific implementation examples described herein are only used to explain the present invention and are not used to limit the present invention.

[0016] It should be noted that all directional indications (such as up, down, left, right, front, back...) in the embodiments of the present invention are only relative positions on the specified view, rather than absolute positions.

[0017] In addition, in the present invention, descriptions such as "first" and "second" are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In the description of the present invention, "a plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

[0018] Please refer toFigures 1 to 3 , the Type C and DP ultra-clear audio and video bidirectional converter of the present utility model includes a signal conversion chip, a switch control chip and an LDO voltage regulator. The signal conversion chip is connected to the switch control chip, and the LDO voltage regulator is respectively connected to the signal conversion chip and the switch control chip. The signal conversion chip is connected with a Type c plug and a DP plug. The Type c plug is connected to the LDO voltage regulator, and the switch control chip is respectively connected to the Type c plug and the DP plug.

[0019] The signal conversion chip uses a VL170 model chip, and the switch control chip uses a CH7213D model chip.

[0020] The VL170 model chip is used for converting between Type C and DP signals.

[0021] The CH7213D model chip is used for controlling signal conversion and detecting the display port to judge the output corresponding signal source.

[0022] The LDO voltage regulator is used for converting the 5V power supply into a 3.3V power supply to supply power to the CH7213D model chip and the VL170 model chip.

[0023] The Type C and DP ultra-clear audio and video bidirectional converter of the present utility model adds a signal switching function on the basis of the original Type c to DP technology. How to switch is that the VL170 model chip linked to the DP signal and the Type c signal, and the CH7213D model chip judges whether the display end is DP or Type c by linking the DisplayPort AUX HPD signal and the two-way conversion power supply to transport VDM, and automatically identifies the corresponding signal source transported from the display end interface.

[0024] The Type C and DP ultra-clear audio and video bidirectional converter of the present utility model further includes an integrally formed aluminum alloy main body shell. A PCB board is arranged inside the aluminum alloy main body shell, and the signal conversion chip, the switch control chip and the LDO voltage regulator are arranged on the PCB board.

[0025] One end of the PCB board is welded with a Type C wiring, and the other end of the PCB board is welded with a DP wiring. The Type C wiring and the DP wiring both extend out of the aluminum alloy main body shell. The Type C wiring is connected to the Type c plug, and the DP wiring is connected to the DP plug.

[0026] The Type C wiring and the DP wiring are respectively connected to the signal conversion chip.

[0027] Compared with the prior art, the Type-C and DP ultra-clear audio and video bidirectional converter of the present utility model can be either a Type-C to DP audio and video converter or a DP to Type-C audio and video converter. Through one converter, the bidirectional conversion functions of Type-C to DP and DP to Type-C can be achieved, saving the number and cost of converters required by users and facilitating the improvement of the user experience.

[0028] The above are only the preferred embodiments of the present utility model, and do not limit the patent scope of the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the concept of the present utility model shall be included within the patent protection scope of the present utility model.

Claims

1. A Type C and DP ultra-clear audio and video bidirectional converter, characterized in that: It includes a signal conversion chip, a switch control chip and an LDO voltage regulator, wherein the signal conversion chip and the switch control chip are connected, the LDO voltage regulator is respectively connected to the signal conversion chip and the switch control chip, the signal conversion chip is connected to a Type C plug and a DP plug, the Type C plug is connected to the LDO voltage regulator, and the switch control chip is respectively connected to the Type C plug and the DP plug; The signal conversion chip adopts the VL170 chip, and the switch control chip adopts the CH7213D chip.

2. The Type C and DP ultra-clear audio and video bidirectional converter as claimed in claim 1, characterized in that: The VL170 chip is used to convert between Type C and DP signals.

3. The Type C and DP ultra-high-definition audio and video bidirectional converter as claimed in claim 1, characterized in that: The CH7213D chip is used to control signal conversion and detect the display port to determine the corresponding signal source of the output.

4. The Type C and DP ultra-high-definition audio and video bidirectional converter as claimed in claim 1, characterized in that: The LDO regulator is used to convert the 5V power supply into a 3.3V power supply to supply power to the CH7213D model chip and the VL170 model chip.

5. The Type C and DP ultra-clear audio and video bidirectional converter as claimed in claim 1, characterized in that: The Type C and DP ultra-clear audio and video bidirectional converter also includes an integrally formed aluminum alloy main body shell, a PCB board is arranged in the aluminum alloy main body shell, and the signal conversion chip, the switch control chip and the LDO regulator are arranged on the PCB board.

6. The Type C and DP ultra-high definition audio and video bidirectional converter as claimed in claim 5, characterized in that: A Type C wiring is welded on one end of the PCB board, and a DP wiring is welded on the other end of the PCB board. Both the Type C wiring and the DP wiring extend from the aluminum alloy main shell. The Type C wiring is connected to the Type C plug, and the DP wiring is connected to the DP plug.

7. The Type C and DP ultra-high-definition audio and video bidirectional converter as claimed in claim 6, characterized in that: The Type C wiring and the DP wiring are respectively connected to the signal conversion chip.

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