Conversion device for realizing two-way transmission of DP signal between USB-C and DP interfaces

Abstract

The utility model discloses a conversion device for realizing bidirectional transmission of DP signals between a USB-C interface and a DP interface. The conversion device comprises the USB-C interface, a USB-C channel, a switching module, a DP channel and a DP interface, any one of the USB-C interface and the DP interface is connected with a DP video source; the other one of the USB-C interface and the DP interface is connected with a DP display end; the switching module is connected with the USB-C interface through a USB-C channel and connected with the USB-C interface through a DP channel, and switching signals are accessed into the switching module, so that the USB-C channel and the DP channel are conducted; according to the invention, transmission of DP signals between the DP video source of the DP interface and the DP display end of the USB-C interface and between the DP video source of the USB-C interface and the DP display end of the DP interface can be realized, effective utilization of old equipment is ensured, the USB-C interface can adapt to the development trend of USB-C, and waste of equipment resources is avoided.

Description

Technical Field

[0001] The utility model relates to the field of DP signal transmission devices, and in particular to a conversion device for realizing bidirectional transmission of DP signals between a USB-C and a DP interface. Background Art

[0002] Both USB-C and DP interfaces can transmit DP signals, but they are different in appearance, size, pin definition, etc., and both are divided into two types: male and female. For the same interface type, the channels for transmitting DP signals by male and female are also different. These reasons make it impossible for USB-C and DP interfaces to realize bidirectional transmission of DP signals without a conversion device. Therefore, a conversion device that realizes bidirectional transmission of DP signals between USB-C and DP interfaces is urgently needed to solve the above problems. Utility Model Content

[0003] The utility model aims to solve at least one of the technical problems existing in the prior art. To this end, the utility model proposes a conversion device that realizes bidirectional transmission of DP signals between USB-C and DP interface.

[0004] An embodiment of the utility model solves the technical problem by adopting a technical solution: a conversion device for realizing bidirectional transmission of DP signals between a USB-C and a DP interface, comprising a USB-C interface, a USB-C channel, a switching module, a DP channel and a DP interface;

[0005] Connect any one of the USB-C port and DP port to the DP video source;

[0006] The other one of the USB-C port and the DP port is connected to the DP display port;

[0007] The switching module is connected to the USB-C interface through the USB-C channel and to the USB-C interface through the DP channel.

[0008] The switching module receives the switching signal to turn on the USB-C channel and the DP channel.

[0009] As one of the preferred embodiments of the utility model, the USB-C interface is set to a USB-C male head, the DP interface is set to a DP male head, the switching module includes a first high-speed switch chip U1, and the DP signal is transmitted from the USB-C male head to the DP male head when the first high-speed switch chip U1 is connected to a first switching signal, or is transmitted from the DP male head to the USB-C male head when the first high-speed switch chip U1 is connected to a second switching signal.

[0010] As one of the preferred embodiments of the present invention, pins B2, B3, B10, B11, A2, A3, A10, A11, A8 and B8 of the USB-C male connector are respectively connected to pins 7, 8, 1, 2, 4, 3, 6, 5, CSBU1 and CSBU2 of the first high-speed switch chip U1, and pins 1, 3, 4, 6, 7, 9, 10, 12, 15 and 17 of the DP male connector are respectively connected to pins 9, 10, 11, 12, 16, 15, 14, 13, SBU1 and SBU2 of the first high-speed switch chip U1, and the DP signal is transmitted from the USB-C male connector to the DP male connector when the first high-speed switch chip U1 is connected to the first switching signal, or is transmitted from the DP male connector to the USB-C male connector when the first high-speed switch chip U1 is connected to the second switching signal.

[0011] As one of the preferred embodiments of the utility model, the USB-C interface is set to a USB-C male connector, the DP interface is set to a DP female connector, the switching module includes a first high-speed switch chip U1, and the DP signal is transmitted from the USB-C male connector to the DP female connector when the first high-speed switch chip U1 is connected to a first switching signal, or is transmitted from the DP female connector to the USB-C male connector when the first high-speed switch chip U1 is connected to a second switching signal.

[0012] As one of the preferred embodiments of the utility model, pins B2, B3, B10, B11, A2, A3, A10, A11, A8, B8 of the USB-C male connector are respectively connected to pins 3, 4, 5, 6, 8, 7, 2, 1, CSBU1 and CSBU2 of the first high-speed switch chip U1, and pins 1, 3, 4, 6, 7, 9, 10, 12, 15 and 17 of the DP female connector are respectively connected to pins 9, 10, 11, 12, 16, 15, 14, 13, SBU1 and SBU2 of the first high-speed switch chip U1, and the DP signal is transmitted from the USB-C male connector to the DP female connector when the first high-speed switch chip U1 is connected to the first switching signal, or is transmitted from the DP female connector to the USB-C male connector when the first high-speed switch chip U1 is connected to the second switching signal.

[0013] As one of the preferred embodiments of the utility model, the USB-C interface is set as a USB-C female socket, the DP interface is set as a DP male socket, and the switching module includes a first high-speed switch chip U1 and a second high-speed switch chip U2. The DP signal is transmitted from the USB-C female socket to the DP male socket when the first high-speed switch chip U1 is connected to the first switching signal and the second high-speed switch chip U2 is connected to the first switching signal, and the USB-C female socket detects that the CC cable is correctly plugged in, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the first switching signal, the DP signal is transmitted from the USB-C female socket to the DP male socket and the USB-C female socket detects that the CC cable is reversely plugged in, or when the first high-speed switch chip U1 is connected to the first switching signal and the second high-speed switch chip U2 is connected to the second switching signal, the DP signal is transmitted from the DP male socket to the USB-C female socket and the USB-C female socket detects that the CC cable is correctly plugged in, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the second switching signal, the DP signal is transmitted from the DP male socket to the USB-C female socket and the USB-C female socket detects that the CC cable is correctly plugged in, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the second switching signal, the DP signal is transmitted from the DP male socket to the USB-C female socket and the USB-C female socket detects that the CC cable is reversely plugged in.

[0014] As one of the preferred embodiments of the utility model, pins B2, B3, B10, B11, A2, A3, A10, A11, A8, B8 of the USB-C female socket are respectively connected to pins 8, 7, 3, 4, 2, 1, 5, 6, CSBU2 and CSBU1 of the first high-speed switch chip U1, pins 1, 3, 4, 6, 7, 9, 10, 12, 15 and 17 of the DP male connector are respectively connected to pins 9, 10, 11, 12, 16, 15, 14, 13, SBU1 and SBU2 of the second high-speed switch chip U2, pins 9, 10, 11, 12, 13, 14, 15, 16 of the first high-speed switch chip U1 are respectively connected to pins 1, 2, 3, 4, 8, 7, 6, 5 of the second high-speed switch chip U2, and the DP signal is connected to the first switching signal in the first high-speed switch chip U1. , when the second high-speed switch chip U2 is connected to the first switching signal, it is transmitted from the USB-C female socket to the DP male socket and the USB-C female socket detects that the CC cable is correctly inserted, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the first switching signal, it is transmitted from the USB-C female socket to the DP male socket and the USB-C female socket detects that the CC cable is reversely inserted, or when the first high-speed switch chip U1 is connected to the first switching signal and the second high-speed switch chip U2 is connected to the second switching signal, it is transmitted from the DP male socket to the USB-C female socket and the USB-C female socket detects that the CC cable is correctly inserted, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the second switching signal, it is transmitted from the DP male socket to the USB-C female socket and the USB-C female socket detects that the CC cable is reversely inserted.

[0015] As one of the preferred embodiments of the utility model, the USB-C interface is set as a USB-C female socket, the DP interface is set as a DP female socket, and the switching module includes a first high-speed switch chip U1 and a second high-speed switch chip U2. The DP signal is transmitted from the USB-C female socket to the DP female socket when the first high-speed switch chip U1 is connected to the first switching signal and the second high-speed switch chip U2 is connected to the second switching signal, and the USB-C female socket detects that the CC cable is correctly plugged in, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the second switching signal, the DP signal is transmitted from the USB-C female socket to the DP female socket and the USB-C female socket detects that the CC cable is reversely plugged in, or when the first high-speed switch chip U1 is connected to the first switching signal and the second high-speed switch chip U2 is connected to the first switching signal, the DP signal is transmitted from the DP female socket to the USB-C female socket and the USB-C female socket detects that the CC cable is correctly plugged in, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the first switching signal, the DP signal is transmitted from the DP female socket to the USB-C female socket and the USB-C female socket detects that the CC cable is reversely plugged in.

[0016] As one of the preferred embodiments of the utility model, pins B2, B3, B10, B11, A2, A3, A10, A11, A8, B8 of the USB-C female socket are respectively connected to pins 6, 5, 1, 2, 4, 3, 7, 8, CSBU1 and CSBU2 of the first high-speed switch chip U1, pins 1, 3, 4, 6, 7, 9, 10, 12, 15 and 17 of the DP female socket are respectively connected to pins 9, 10, 11, 12, 16, 15, 14, 13, SBU1 and SBU2 of the first high-speed switch chip U1, pins 9, 10, 11, 12, 13, 14, 15, 16 of the first high-speed switch chip U1 are respectively connected to pins 1, 2, 3, 4, 8, 7, 6, 5 of the second high-speed switch chip U2, and the DP signal is connected to the first switching signal in the first high-speed switch chip U1. , when the second high-speed switch chip U2 is connected to the second switching signal, it is transmitted from the USB-C female socket to the DP female socket and the USB-C female socket detects that the CC cable is correctly inserted, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the second switching signal, it is transmitted from the USB-C female socket to the DP female socket and the USB-C female socket detects that the CC cable is reversely inserted, or when the first high-speed switch chip U1 is connected to the first switching signal and the second high-speed switch chip U2 is connected to the first switching signal, it is transmitted from the DP female socket to the USB-C female socket and the USB-C female socket detects that the CC cable is correctly inserted, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the first switching signal, it is transmitted from the DP female socket to the USB-C female socket and the USB-C female socket detects that the CC cable is reversely inserted.

[0017] The beneficial effects of the utility model include: a conversion device for realizing bidirectional transmission of DP signals between USB-C and DP interfaces, comprising a USB-C interface, a USB-C channel, a switching module, a DP channel and a DP interface; any one of the USB-C interface and the DP interface is connected to a DP video source; the other of the USB-C interface and the DP interface is connected to a DP display terminal; the switching module is respectively connected to the USB-C interface through the USB-C channel and to the USB-C interface through the DP channel, and the switching module accesses a switching signal to conduct the USB-C channel and the DP channel; the above structure can realize the transmission of DP signals between the DP video source of the DP interface and the DP display terminal of the USB-C interface, and can also realize the transmission of DP signals between the DP video source of the USB-C interface and the DP display terminal of the DP interface, which not only ensures the effective utilization of old equipment, but also adapts to the development trend of USB-C, and greatly avoids the waste of equipment resources. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The above and / or additional aspects and advantages of the present invention will become apparent and easily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0019] Figure 1 A schematic diagram of a conversion device for realizing bidirectional transmission of DP signals between a USB-C and a DP interface provided by an embodiment of the utility model;

[0020] Figure 2 A schematic diagram of a USB-C male connector and a DP male connector provided in an embodiment of the utility model being connected to a DP video source and a DP display terminal respectively to realize the USB-C to DP direction;

[0021] Figure 3 A schematic diagram showing a USB-C male connector and a DP male connector provided in an embodiment of the utility model being connected to a DP display terminal and a DP video source respectively to realize the DP to USB-C conversion direction;

[0022] Figure 4 A schematic diagram showing a USB-C male connector and a DP female connector provided in an embodiment of the present invention being connected to a DP video source and a DP display terminal respectively to realize the USB-C to DP conversion direction;

[0023] Figure 5 A schematic diagram showing a USB-C male connector and a DP female connector provided in an embodiment of the utility model, respectively connected to a DP display terminal and a DP video source, to realize the DP to USB-C conversion direction;

[0024] Figure 6 A schematic diagram showing that the USB-C female socket and the DP male plug provided in the embodiment of the utility model are connected to the DP video source and the DP display terminal respectively, and the USB-C female socket detects that the plug is inserted correctly, thereby realizing the USB-C to DP direction conversion;

[0025] Figure 7 A schematic diagram showing that the USB-C female socket and the DP male plug provided in the embodiment of the utility model are connected to the DP video source and the DP display terminal respectively, and the USB-C female socket detects reverse insertion to realize the USB-C to DP direction conversion;

[0026] Figure 8 A schematic diagram showing that the USB-C female socket and the DP male plug provided in the embodiment of the utility model are connected to the DP display terminal and the DP video source respectively, and the USB-C female socket detects that the plug is properly inserted to realize the DP to USB-C direction conversion;

[0027] Fig. 9 A schematic diagram showing that the USB-C female socket and the DP male plug provided in the embodiment of the utility model are connected to the DP display terminal and the DP video source respectively, and the USB-C female socket detects reverse insertion to realize the DP to USB-C direction conversion;

[0028] Fig.10A schematic diagram showing that the USB-C female socket and the DP female socket provided in the embodiment of the utility model are connected to the DP video source and the DP display terminal respectively, and the USB-C female socket detects that the socket is plugged in correctly, thereby realizing the conversion direction of USB-C to DP;

[0029] Fig.11 A schematic diagram showing that the USB-C female socket and the DP female socket provided in the embodiment of the utility model are connected to the DP video source and the DP display terminal respectively, and the USB-C female socket detects reverse insertion to realize the USB-C to DP direction conversion;

[0030] Fig.12 A schematic diagram showing that the USB-C female socket and the DP female socket provided in the embodiment of the utility model are connected to the DP display terminal and the DP video source respectively, and the USB-C female socket detects that the socket is properly plugged in, thereby realizing the conversion from DP to USB-C;

[0031] Fig.13 The USB-C female socket and DP female socket provided in the embodiment of the utility model are respectively connected to the DP display terminal and the DP video source, and the USB-C female socket detects reverse insertion to realize the schematic diagram of DP to USB-C direction. DETAILED DESCRIPTION

[0032] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0033] In the description of the present utility model, the meaning of "more than" is more than two, "greater than", "less than", "exceed" etc. are understood to exclude the number itself, and "above", "below", "within" etc. are understood to include the number itself. If there is a description of "first" or "second", it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.

[0034] In the description of the present invention, it should be understood that descriptions involving orientation, such as up, down, front, back, left, right, etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0035] In the present invention, unless otherwise clearly defined, the words "set", "install", "connect" and the like should be understood in a broad sense, for example, they can be directly connected or indirectly connected through an intermediate medium; they can be fixedly connected or detachably connected or integrally formed; they can be mechanically connected; they can be the internal connection of two elements or the interaction relationship between two elements. Those skilled in the art can reasonably determine the specific meanings of the above words in the present invention in combination with the specific content of the technical solution.

[0036] Reference Figures 1 to 13 , a conversion device for realizing bidirectional transmission of DP signals between USB-C and DP interface, characterized in that: it comprises a USB-C interface, a USB-C channel, a switching module, a DP channel and a DP interface;

[0037] Connect any one of the USB-C port and DP port to the DP video source;

[0038] The other one of the USB-C port and the DP port is connected to the DP display port;

[0039] The switching module is connected to the USB-C interface through the USB-C channel and to the USB-C interface through the DP channel.

[0040] The switching module receives the switching signal to turn on the USB-C channel and the DP channel.

[0041] Reference Figure 2-3 The USB-C interface is set to a USB-C male connector, the DP interface is set to a DP male connector, the switching module includes a first high-speed switch chip U1, pins B2, B3, B10, B11, A2, A3, A10, A11, A8 and B8 of the USB-C male connector are respectively connected to pins 7, 8, 1, 2, 4, 3, 6, 5, CSBU1 and CSBU2 of the first high-speed switch chip U1, pins 1, 3, 4, 6, 7, 9, 10, 12, 15 and 17 of the DP male connector are respectively connected to pins 9, 10, 11, 12, 16, 15, 14, 13, SBU1 and SBU2 of the first high-speed switch chip U1, and the DP signal is transmitted from the USB-C male connector to the DP male connector when the first high-speed switch chip U1 is connected to the first switching signal (first POL configuration), or is transmitted from the DP male connector to the USB-C male connector when the first high-speed switch chip U1 is connected to the second switching signal (second POL configuration).

[0042] Reference Figure 4-5The USB-C interface is set to a USB-C male connector, the DP interface is set to a DP female connector, the switching module includes a first high-speed switch chip U1, pins B2, B3, B10, B11, A2, A3, A10, A11, A8, B8 of the USB-C male connector are respectively connected to pins 3, 4, 5, 6, 8, 7, 2, 1, CSBU1 and CSBU2 of the first high-speed switch chip U1, pins 1, 3, 4, 6, 7, 9, 10, 12, 15 and 17 of the DP female connector are respectively connected to pins 9, 10, 11, 12, 16, 15, 14, 13, SBU1 and SBU2 of the first high-speed switch chip U1, and the DP signal is transmitted from the USB-C male connector to the DP female connector when the first high-speed switch chip U1 is connected to the first switching signal (first POL configuration), or is transmitted from the DP female connector to the USB-C male connector when the first high-speed switch chip U1 is connected to the second switching signal (second POL configuration).

[0043] Reference Figure 6-9, the USB-C interface is set to a USB-C female socket, the DP interface is set to a DP male connector, the switching module includes a first high-speed switch chip U1 and a second high-speed switch chip U2, the pins B2, B3, B10, B11, A2, A3, A10, A11, A8, B8 of the USB-C female socket are respectively connected to the pins 8, 7, 3, 4, 2, 1, 5, 6, CSBU2 and CSBU1 of the first high-speed switch chip U1, and the pins 1, 3, 4, 6, 7, 9, 1 0, 12, 15 and 17 are respectively connected to pins 9, 10, 11, 12, 16, 15, 14, 13, SBU1 and SBU2 of the second high-speed switch chip U2, and pins 9, 10, 11, 12, 13, 14, 15, 16 of the first high-speed switch chip U1 are respectively connected to pins 1, 2, 3, 4, 8, 7, 6, 5 of the second high-speed switch chip U2. The DP signal is connected to the first switching signal (first POL configuration) and the first switching signal (first POL configuration) in the first high-speed switch chip U1. When the second high-speed switch chip U2 is connected to the first switching signal (first POL configuration), the signal is transmitted from the USB-C female socket to the DP male socket and the USB-C female socket detects that the CC cable is correctly inserted, or when the first high-speed switch chip U1 is connected to the second switching signal (second POL configuration) and the second high-speed switch chip U2 is connected to the first switching signal (first POL configuration), the signal is transmitted from the USB-C female socket to the DP male socket and the USB-C female socket detects that the CC cable is reversely inserted, or when the first high-speed switch chip U1 is connected to the first switching signal (first POL configuration) and the second high-speed switch chip U2 is connected to the second switching signal (second POL configuration), the signal is transmitted from the DP male socket to the USB-C female socket and the USB-C female socket detects that the CC cable is correctly inserted, or when the first high-speed switch chip U1 is connected to the second switching signal (second POL configuration) and the second high-speed switch chip U2 is connected to the second switching signal (second POL configuration), the signal is transmitted from the DP male socket to the USB-C female socket and the USB-C female socket detects that the CC cable is reversely inserted.

[0044] Reference Figure 10-13The USB-C interface is set to a USB-C female socket, the DP interface is set to a DP female socket, the switching module includes a first high-speed switch chip U1 and a second high-speed switch chip U2, the pins B2, B3, B10, B11, A2, A3, A10, A11, A8, B8 of the USB-C female socket are respectively connected to the pins 6, 5, 1, 2, 4, 3, 7, 8, CSBU1 and CSBU2 of the first high-speed switch chip U1, and the pins 1, 3, 4, 6, 7, 9, 1 0, 12, 15 and 17 are respectively connected to pins 9, 10, 11, 12, 16, 15, 14, 13, SBU1 and SBU2 of the first high-speed switch chip U1, and pins 9, 10, 11, 12, 13, 14, 15, 16 of the first high-speed switch chip U1 are respectively connected to pins 1, 2, 3, 4, 8, 7, 6, 5 of the second high-speed switch chip U2. The DP signal is connected to the first switching signal (first POL configuration) and the second POL configuration in the first high-speed switch chip U1. When the second high-speed switch chip U2 is connected to the second switching signal (second POL configuration), the signal is transmitted from the USB-C socket to the DP socket and the USB-C socket detects that the CC cable is correctly inserted, or when the first high-speed switch chip U1 is connected to the second switching signal (second POL configuration) and the second high-speed switch chip U2 is connected to the second switching signal (second POL configuration), the signal is transmitted from the USB-C socket to the DP socket and the USB-C socket detects that the CC cable is reversely inserted, or when the first high-speed switch chip U1 is connected to the first switching signal (first POL configuration) and the second high-speed switch chip U2 is connected to the first switching signal (first POL configuration), the signal is transmitted from the DP socket to the USB-C socket and the USB-C socket detects that the CC cable is correctly inserted, or when the first high-speed switch chip U1 is connected to the second switching signal (second POL configuration) and the second high-speed switch chip U2 is connected to the first switching signal (first POL configuration), the signal is transmitted from the DP socket to the USB-C socket and the USB-C socket detects that the CC cable is reversely inserted.

[0045] The advantages of the utility model are that: through the above structure, the transmission of DP signals between the DP video source of the DP interface and the DP display end of the USB-C interface can be realized, and at the same time, the transmission of DP signals between the DP video source of the USB-C interface and the DP display end of the DP interface can also be realized, which not only ensures the effective utilization of old equipment, but also adapts to the development trend of USB-C, and greatly avoids the waste of equipment resources.

[0046] Of course, the present invention is not limited to the above-mentioned embodiments, and technicians familiar with the field may make equivalent modifications or substitutions without violating the spirit of the present invention. These equivalent modifications and substitutions are all included in the scope defined by the claims of this application.

Claims

1. A conversion device for realizing bidirectional transmission of DP signals between USB-C and DP interface, Features: Including USB-C interface, USB-C channel, switching module, DP channel and DP interface; Any one of the USB-C interface and the DP interface is connected to a DP video source; The other of the USB-C interface and the DP interface is connected to the DP display end; The switching module is connected to the USB-C interface through the USB-C channel and connected to the USB-C interface through the DP channel. The switching module receives a switching signal to connect the USB-C channel and the DP channel.

2. A conversion device for realizing bidirectional transmission of DP signals between USB-C and DP interface according to claim 1, Features: The USB-C interface is set to a USB-C male connector, the DP interface is set to a DP male connector, the switching module includes a first high-speed switch chip U1, and the DP signal is transmitted from the USB-C male connector to the DP male connector when the first high-speed switch chip U1 is connected to a first switching signal, or is transmitted from the DP male connector to the USB-C male connector when the first high-speed switch chip U1 is connected to a second switching signal.

3. A conversion device for realizing bidirectional transmission of DP signals between USB-C and DP interface according to claim 2, Features: Pins B2, B3, B10, B11, A2, A3, A10, A11, A8 and B8 of the USB-C male connector are respectively connected to pins 7, 8, 1, 2, 4, 3, 6, 5, CSBU1 and CSBU2 of the first high-speed switch chip U1, and pins 1, 3, 4, 6, 7, 9, 10, 12, 15 and 17 of the DP male connector are respectively connected to pins 9, 10, 11, 12, 16, 15, 14, 13, SBU1 and SBU2 of the first high-speed switch chip U1. The DP signal is transmitted from the USB-C male connector to the DP male connector when the first high-speed switch chip U1 is connected to the first switching signal, or is transmitted from the DP male connector to the USB-C male connector when the first high-speed switch chip U1 is connected to the second switching signal.

4. A conversion device for realizing bidirectional transmission of DP signals between USB-C and DP interface according to claim 1, Features: The USB-C interface is set to a USB-C male connector, the DP interface is set to a DP female connector, the switching module includes a first high-speed switch chip U1, and the DP signal is transmitted from the USB-C male connector to the DP female connector when the first high-speed switch chip U1 is connected to a first switching signal, or is transmitted from the DP female connector to the USB-C male connector when the first high-speed switch chip U1 is connected to a second switching signal.

5. A conversion device for realizing bidirectional transmission of DP signals between USB-C and DP interface according to claim 4, Features: Pins B2, B3, B10, B11, A2, A3, A10, A11, A8, B8 of the USB-C male connector are respectively connected to pins 3, 4, 5, 6, 8, 7, 2, 1, CSBU1 and CSBU2 of the first high-speed switch chip U1, and pins 1, 3, 4, 6, 7, 9, 10, 12, 15 and 17 of the DP female connector are respectively connected to pins 9, 10, 11, 12, 16, 15, 14, 13, SBU1 and SBU2 of the first high-speed switch chip U1. The DP signal is transmitted from the USB-C male connector to the DP female connector when the first high-speed switch chip U1 is connected to the first switching signal, or is transmitted from the DP female connector to the USB-C male connector when the first high-speed switch chip U1 is connected to the second switching signal.

6. A conversion device for realizing bidirectional transmission of DP signals between USB-C and DP interface according to claim 1, Features: The USB-C interface is set as a USB-C female socket, the DP interface is set as a DP male socket, and the switching module includes a first high-speed switch chip U1 and a second high-speed switch chip U2. The DP signal is transmitted from the USB-C female socket to the DP male socket when the first high-speed switch chip U1 is connected to the first switching signal and the second high-speed switch chip U2 is connected to the first switching signal, and the USB-C female socket detects that the CC cable is correctly inserted, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the first switching signal, the DP signal is transmitted from the USB-C female socket to the DP male socket and the USB-C female socket detects that the CC cable is reversely inserted, or when the first high-speed switch chip U1 is connected to the first switching signal and the second high-speed switch chip U2 is connected to the second switching signal, the DP signal is transmitted from the DP male socket to the USB-C female socket and the USB-C female socket detects that the CC cable is correctly inserted, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the second switching signal, the DP signal is transmitted from the DP male socket to the USB-C female socket and the USB-C female socket detects that the CC cable is reversely inserted.

7. A conversion device for realizing bidirectional transmission of DP signals between USB-C and DP interface according to claim 6, Features: Pins B2, B3, B10, B11, A2, A3, A10, A11, A8, B8 of the USB-C female socket are respectively connected to pins 8, 7, 3, 4, 2, 1, 5, 6, CSBU2 and CSBU1 of the first high-speed switch chip U1, and pins 1, 3, 4, 6, 7, 9, 10, 12, 15 and 17 of the DP male connector are respectively connected to pins 9, 10, 11, 12, 16, 15, 14, 13, SBU1 and SBU2 of the second high-speed switch chip U2, and pins 9, 10, 11, 12, 13, 14, 15, 16 of the first high-speed switch chip U1 are respectively connected to pins 1, 2, 3, 4, 8, 7, 6, 5 of the second high-speed switch chip U2, and the DP signal is connected to the first switching signal in the first high-speed switch chip U1 and the second high-speed switch When the itch chip U2 is connected to the first switching signal, the signal is transmitted from the USB-C female socket to the DP male socket and the USB-C female socket detects that the CC cable is correctly inserted, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the first switching signal, the signal is transmitted from the USB-C female socket to the DP male socket and the USB-C female socket detects that the CC cable is reversely inserted, or when the first high-speed switch chip U1 is connected to the first switching signal and the second high-speed switch chip U2 is connected to the second switching signal, the signal is transmitted from the DP male socket to the USB-C female socket and the USB-C female socket detects that the CC cable is correctly inserted, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the second switching signal, the signal is transmitted from the DP male socket to the USB-C female socket and the USB-C female socket detects that the CC cable is reversely inserted.

8. A conversion device for realizing bidirectional transmission of DP signals between USB-C and DP interface according to claim 1, Features: The USB-C interface is set as a USB-C female socket, the DP interface is set as a DP female socket, the switching module includes a first high-speed switch chip U1 and a second high-speed switch chip U2, the DP signal is transmitted from the USB-C female socket to the DP female socket when the first high-speed switch chip U1 is connected to the first switching signal and the second high-speed switch chip U2 is connected to the second switching signal, and the USB-C female socket detects that the CC cable is correctly plugged in, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the second switching signal, the DP signal is transmitted from the USB-C female socket to the DP female socket and the USB-C female socket detects that the CC cable is reversely plugged in, or when the first high-speed switch chip U1 is connected to the first switching signal and the second high-speed switch chip U2 is connected to the first switching signal, the DP signal is transmitted from the DP female socket to the USB-C female socket and the USB-C female socket detects that the CC cable is correctly plugged in, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the first switching signal, the DP signal is transmitted from the DP female socket to the USB-C female socket and the USB-C female socket detects that the CC cable is reversely plugged in.

9. A conversion device for realizing bidirectional transmission of DP signals between USB-C and DP interface according to claim 8, Features: Pins B2, B3, B10, B11, A2, A3, A10, A11, A8, B8 of the USB-C female socket are respectively connected to pins 6, 5, 1, 2, 4, 3, 7, 8, CSBU1 and CSBU2 of the first high-speed switch chip U1, pins 1, 3, 4, 6, 7, 9, 10, 12, 15 and 17 of the DP female socket are respectively connected to pins 9, 10, 11, 12, 16, 15, 14, 13, SBU1 and SBU2 of the first high-speed switch chip U1, pins 9, 10, 11, 12, 13, 14, 15, 16 of the first high-speed switch chip U1 are respectively connected to pins 1, 2, 3, 4, 8, 7, 6, 5 of the second high-speed switch chip U2, and the DP signal is connected to the first switching signal of the first high-speed switch chip U1 and the second high-speed switch chip U2. When the itch chip U2 is connected to the second switching signal, it is transmitted from the USB-C socket to the DP socket and the USB-C socket detects that the CC cable is correctly plugged in, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the second switching signal, it is transmitted from the USB-C socket to the DP socket and the USB-C socket detects that the CC cable is reversely plugged in, or when the first high-speed switch chip U1 is connected to the first switching signal and the second high-speed switch chip U2 is connected to the first switching signal, it is transmitted from the DP socket to the USB-C socket and the USB-C socket detects that the CC cable is correctly plugged in, or when the first high-speed switch chip U1 is connected to the second switching signal and the second high-speed switch chip U2 is connected to the first switching signal, it is transmitted from the DP socket to the USB-C socket and the USB-C socket detects that the CC cable is reversely plugged in.

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