CN218499197U - Screen projection system based on TYPE-C interface - Google Patents
Screen projection system based on TYPE-C interface Download PDFInfo
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- CN218499197U CN218499197U CN202221250395.7U CN202221250395U CN218499197U CN 218499197 U CN218499197 U CN 218499197U CN 202221250395 U CN202221250395 U CN 202221250395U CN 218499197 U CN218499197 U CN 218499197U
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Abstract
The application discloses throw screen system based on TYPE-C interface, throw screen system based on TYPE-C interface includes: the system comprises a sending end, a receiving end and a processing end, wherein a first TYPE-C interface is arranged on the sending end; the screen projecting device is connected with the sending end, comprises a second TYPE-C interface, a main control board, a data conversion module and an equipment interface, and is used for processing a screen projecting signal sent by the sending end and sending the processed screen projecting signal to a display end through a first wireless transmission module; the first wireless transmission module is connected with the screen projecting device through the equipment interface and is used for sending the processed screen projecting signal to a display end; and the display end is in communication connection with the first wireless transmission module and is used for receiving and displaying the screen projection signal. The screen projection stability based on the TYPE-C interface is improved.
Description
Technical Field
The application relates to the technical field of screen projection, in particular to a screen projection system based on a TYPE-C interface.
Background
With the popularization of the TYPE-C interface, the TYPE-C interface is also widely applied. The TYPE-C wireless screen projector is applied to a personal computer, a mobile phone and a flat panel, a TYPE-C screen projector is inserted into the personal computer, the mobile phone and the flat panel, a DP (Decentralized peripheral) signal is converted into a data signal suitable for wireless transmission through a conversion chip in the TYPE-C screen projector, and then the data signal is transmitted to a terminal display through wireless transmission, so that the effects of wirelessly projecting a screen and sound are finally achieved.
However, in the use process of wireless screen projection, the current products in the market have the problems of unstable screen projection, such as broken lines, blockage, picture distortion, asynchronous audio and video, and the like in the wireless screen projection process due to factors such as unstable platform, low signal conversion efficiency, unstable resolution ratio which cannot reach the 4K quality widely used at present, and unstable signal output.
The above is only for the purpose of assisting understanding of the technical solutions of the present application, and does not represent an admission that the above is prior art.
SUMMERY OF THE UTILITY MODEL
The main aim at of this application provides a throw screen system based on TYPE-C interface, aims at solving TYPE-C and throws the unstable technical problem of screen ware.
In order to achieve the above object, the present application provides a screen projection system based on a TYPE-C interface, the screen projection system based on the TYPE-C interface includes:
the system comprises a sending end, a receiving end and a processing end, wherein a first TYPE-C interface is arranged on the sending end;
the screen projecting device is connected with the sending end and comprises a second TYPE-C interface, a main control board, a data conversion module and an equipment interface, the screen projecting device is connected with the sending end through the second TYPE-C interface, the main control board is connected with the data conversion module, and the screen projecting device is used for processing a screen projecting signal sent by the sending end and sending the processed screen projecting signal to a display end through a first wireless transmission module;
the first wireless transmission module is connected with the screen projecting device through the equipment interface and is used for transmitting the processed screen projecting signal to a display end;
and the display end is in communication connection with the first wireless transmission module and is used for receiving and displaying the screen projection signal.
Optionally, the data conversion module is disposed on the main control board and is in communication connection with the main control board, and an encoder module is further disposed in the main control board;
the main control board is used for receiving a DP data signal of a sending end and sending the DP data signal to the data conversion module for decoding;
the data conversion module is used for decoding the DP data signal into an MIPI data signal or a CSI data signal and sending the MIPI data signal or the CSI data signal to the main control board;
and the encoder module is used for recoding the MIPI data signal or the CSI data signal and sending the MIPI data signal or the CSI data signal to the display end.
Optionally, the device interface is an SDIO interface, and is configured to be connected to the first wireless transmission module.
Optionally, the screen projection device further includes a power management module connected to the main control board, and the power management module is configured to supply power to the screen projection device.
Optionally, a power interface is arranged on the power management module, and the power management module is connected with an external power supply through the power interface and is used for storing electric energy of the external power supply.
Optionally, the screen projection device further includes a switch module connected to the power management module, and the switch module is configured to control the power management module to be turned on and off.
Optionally, a reverse control module is further disposed in the main control board, and the reverse control module is configured to feed back a received reverse control instruction to the sending end through the second TYPE-C interface, so as to perform reverse control on the sending end.
Optionally, the screen projection device further includes an indicator light connected to the main control board, and the indicator light is used for displaying an operation state of the screen projection device.
Optionally, the display end includes a second wireless transmission module therein, and is configured to establish a connection with the screen projection device.
Optionally, the first wireless transmission module and the second wireless transmission module are WIFI modules.
The utility model provides a screen projecting system based on TYPE-C interface, through the TYPE-C interface respectively arranged in the transmitting terminal and the screen projecting device, the TYPE-C connection between the transmitting terminal and the screen projecting device is realized, and more forms of signal transmission can be realized; the screen projection signal is decoded and encoded by the main control board and the data conversion module arranged in the screen projection device, so that the screen projection data can achieve better quality, and the quality of the screen projection data is better; the equipment interface is arranged in the screen projection device and used for installing the first wireless transmission module, and then the first wireless transmission module is in wireless connection with the display end, so that point-to-point transmission of data between the screen projection device and the display end can be realized, stable transmission of screen projection data is realized, and the problems of disconnection, blockage, picture distortion, audio and video asynchronism and the like in the wireless screen projection process are prevented.
Drawings
FIG. 1 is a schematic diagram of a frame structure of an embodiment of a screen projection system based on a TYPE-C interface according to the present application;
fig. 2 is a schematic diagram of a frame structure of a power management module and a switch module in an embodiment of the screen projection system based on the TYPE-C interface according to the present application;
the reference numbers indicate:
the implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The technical solutions in the embodiments of the present application will be described clearly and completely with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only some embodiments of the present application, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that all directional indicators (such as up, down, left, right, front, back \8230;) in the embodiments of the present application are only used to explain the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.
In this application, unless expressly stated or limited otherwise, the terms "connected," "secured," and the like are to be construed broadly, and thus, for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
In addition, descriptions in this application as to "first", "second", etc. are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit to the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present application.
The application provides a throw screen system based on TYPE-C interface, in throwing screen system embodiment based on TYPE-C interface, refer to FIG. 1, throw screen system based on TYPE-C interface includes: the device comprises a sending terminal 1, wherein a first TYPE-C interface 11 is arranged on the sending terminal 1; the screen projection device 2 is connected with the transmitting terminal 1, the screen projection device 2 comprises a second TYPE-C interface 211, a main control board 21, a data conversion module 22 and an equipment interface 214, the screen projection device 2 is connected with the transmitting terminal 1 through the second TYPE-C interface 211, and the main control board 21 is connected with the data conversion module 22; a first wireless transmission module 3 connected to the screen projection device 2 through the device interface 214; and a display terminal 4 connected in communication with the first wireless transmission module 3.
The screen projection system based on the TYPE-C interface can be applied to meeting rooms, classrooms, living rooms and other office screen projection environments or family screen projection environments. Specifically, when the screen is projected, the sending terminal 1 sends a signal to be projected to the screen projecting device 2 through the TYPE-C interface, the main control board 21 and the data conversion module 22 in the screen projecting device 2 decode and decode the screen projecting signal to obtain a data stream corresponding to the screen projecting signal, and then the data stream is sent to the display terminal 4 to complete the screen projecting process.
In this embodiment, the sending terminal 1 may be a device with a TYPE-C interface, such as a mobile phone, a notebook computer, or a tablet, which is not limited in this application. The first TYPE-C interface 11 and the second TYPE-C interface 211 are both TYPE-C female ports, and the screen throwing device 2 and the sending end 1 can be connected through a transmission line with a TYPE-C male port; or, the first TYPE-C interface 11 and the second TYPE-C interface 211 are both TYPE-C male ports, and transmission can be performed between the screen projection device 2 and the transmitting end 1 through a transmission line with a TYPE-C female port; or, the first TYPE-C interface 11 is a female port or a male port, and the second TYPE-C interface 211 is a TYPE-C male port or a female port, so as to directly connect the screen projection apparatus 2 with the transmitting terminal 1. The main control board 21 and the data conversion device are used for processing the screen projection signal, so that the screen projection signal achieves better quality, such as 4K quality. The first wireless transmission module 3 is used for establishing a wireless communication connection between the screen projecting device 2 and the display terminal 4, and sending screen projecting data to the display terminal 4 for playing.
The utility model provides a screen projection system based on TYPE-C interface, through the TYPE-C interface respectively arranged in the transmitting terminal 1 and the screen projection device 2, the TYPE-C connection between the transmitting terminal 1 and the screen projection device 2 is realized, and more TYPEs of signal transmission can be realized; the main control board 21 and the data conversion module 22 arranged in the screen projection device 2 are used for decoding and encoding the screen projection signals, so that the screen projection data can achieve better quality, and the screen projection data quality is better; through set up equipment interface 214 and be used for installing first wireless transmission module 3 in throwing screen device 2, rethread first wireless transmission module 3 carries out wireless connection with display terminal 4, can realize throwing the point-to-point transmission of data between screen device 2 and the display terminal 4, realizes throwing the stable transmission of screen data, prevents that wireless throwing screen process from breaking line, card pause, picture distortion, audio and video asynchronous scheduling problem.
Further, the data conversion module 22 is disposed on the main control board 21 and is in communication connection with the main control board 21, and the main control board 21 is further provided with an encoder module 212;
in this embodiment, the main control board 21 adopts a core-backed micro main control RV1108A, and is configured to receive a DP data signal sent by a sending end 1, and send the DP data signal to the data conversion module 22 for decoding, where the DP data signal is data that needs to be subjected to screen projection. The main control board 21 and the data conversion chip are connected by an I2C bus (Inter-Integrated Circuit).
The data conversion module 22 adopts a longxun 7911D conversion chip, and is configured to perform data decoding on the received DP data signal to obtain one of an MIPI data signal or a CSI data signal, and resend the MIPI data signal or the CSI data signal to the main control board 21;
the main control board 21 is further provided with an encoder module 212, specifically an H264 encoder, which is used to re-encode and compress the received MIPI data signal or CSI data signal sent by the data conversion module 22 to obtain an H264 data stream signal, and then send the H264 data stream signal to the display terminal 4 for display.
The utility model discloses in, the DP data signal with sending terminal 1 decodes and the process of coding through data conversion module 22 and main control board 21, can make the video resolution who throws the screen reach the 4K quality, improves the quality and the definition of throwing the screen.
Further, the device interface 214 is an SDIO interface (Secure Digital Input and Output) for connecting with the first wireless transmission module 3, wherein the SDIO interface is a peripheral interface capable of connecting to a wireless network card to realize wireless connection with an external device, and the first wireless transmission module 3 can be a wireless network card, and the first wireless transmission module 3 is inserted into the device interface 214 to realize wireless data transmission of the screen projecting device 2.
Further, the screen projection device 2 further comprises a power management module 23 connected with the main control board 21;
further, a power interface 231 is arranged on the power management module 23, and the power management module 23 is connected with an external power source through the power interface 231;
further, the screen projection device 2 further comprises a switch module 24 connected with the power supply module;
in this embodiment, the power management module 23 is configured to supply power to the screen projecting device 2, so as to ensure normal use of the screen projecting device 2. The power management module 23 includes at least one battery module for storing electric energy. And the power module is provided with a power interface 231, specifically, the battery module is connected to the power interface 231 and is configured to store electric energy of an external power source through the power interface 231, that is, to charge the power management module 23 through the external power source. The power interface 231 may be a USB interface, a TYPE-C interface, or the like, which is not limited herein. In addition, a charging protocol module may be disposed between the battery module and the power interface 231, and is used to adjust the charging current and power according to a protocol in the charging protocol module, so as to improve the safety during the charging process.
The switch module 24 is used for controlling the power management module 23 to be turned on and off, so that the screen projecting device 2 can be turned on and off, and the screen can be projected by one key and finished by one key.
In this application, realize throwing the electric energy management of screen device 2 through power management module 23, guarantee to throw the duration of screen device 2, and make the use of throwing screen device 2 simpler through switch module 24, improve the use of throwing screen device 2 and experience and feel.
Further, a reverse control module 213 is further disposed in the main control board 21;
in this embodiment, the reverse control module 213 is configured to feed back the received reverse control instruction to the sending end 1 through the second TYPE-C interface 211 and the first TYPE-C interface 11, so as to perform reverse control on the sending end 1. Specifically, the reverse control module 213 is connected to the second TYPE-C interface 211, and transmits the reverse control command to the transmitting terminal 1 through the second TYPE-C interface 211 when receiving the reverse control command transmitted based on the display terminal 4, so that the transmitting terminal 1 executes the reverse control command. The reverse control command can be commands for adjusting volume, switching a video of a screen and the like, the reverse control command is set in the screen projecting device 2, the sending end 1 can be controlled through the display end 4, cooperative operation between the sending end and the sending end is achieved, a user can use the device conveniently, and the display end 4 can be operated without the sending end 1.
Further, the screen projecting device 2 further comprises an indicator light connected with the main control panel 21;
further, the display terminal 4 includes a second wireless transmission module 41;
further, the first wireless transmission module 3 and the second wireless transmission module 41 are WIFI modules;
in this embodiment, the indicator light is used to display the operation status of the screen projection device 2, and the indicator light may be an LED light connected to the main control board 21 and have different colors, for example, when the indicator light is green, it represents that the screen projection device 2 is ready to project a screen; when the indicator light is a red light, the screen projecting device 2 is projecting a screen, and the like, of course, a person skilled in the art may set the corresponding relationship between the indicator lights with different colors and the operation state of the screen projecting device 2 as required, and the application is not limited herein.
The second wireless transmission module 41 is configured to establish a wireless connection with the screen projection device 2, so that data transmission can be performed between the screen projection device 2 and the display terminal 4, and the first wireless transmission module 3 and the second wireless transmission module 41 are both WIFI modules. The point-to-point remote transmission between the screen projecting device 2 and the display end 4 is realized, the stable, continuous, unsmooth and audio and video synchronous transmission in the screen projecting process can be realized, and the screen projecting stability is improved.
The above description is only a preferred embodiment of the present application, and not intended to limit the scope of the present application, and all modifications and equivalents of the technical solutions that can be directly or indirectly applied to other related technical fields within the spirit of the present application are included in the scope of the present application.
Claims (9)
1. The utility model provides a throw system of screening based on TYPE-C interface which characterized in that, throw system of screening based on TYPE-C interface includes:
the system comprises a sending end, a receiving end and a processing end, wherein a first TYPE-C interface is arranged on the sending end;
the screen projecting device is connected with the sending end and comprises a second TYPE-C interface, a main control board, a data conversion module and an equipment interface, the screen projecting device is connected with the sending end through the second TYPE-C interface, the main control board is connected with the data conversion module, and the screen projecting device is used for processing a screen projecting signal sent by the sending end and sending the processed screen projecting signal to a display end through a first wireless transmission module;
the first wireless transmission module is connected with the screen projecting device through the equipment interface and is used for sending the processed screen projecting signal to a display end;
the display end is in communication connection with the first wireless transmission module and is used for receiving and displaying the screen projection signal;
the data conversion module is arranged on the main control board and is in communication connection with the main control board, an encoder module is further arranged in the main control board, the main control board is a Rayleigh micro-master control RV1108A, the data conversion module is a Longxun 7911D conversion chip, and the main control board is connected with the data conversion module through an I2C bus;
the main control board is used for receiving a DP data signal of a sending end and sending the DP data signal to the data conversion module for decoding;
the data conversion module is used for decoding the DP data signal into an MIPI data signal or a CSI data signal and sending the MIPI data signal or the CSI data signal to the main control board;
and the encoder module is used for recoding the MIPI data signal or the CSI data signal and sending the MIPI data signal or the CSI data signal to the display end.
2. The TYPE-C interface based screen projection system of claim 1, wherein the device interface is an SDIO interface for connection with the first wireless transmission module.
3. The TYPE-C interface based screen projection system of claim 1, wherein the screen projection device further comprises a power management module connected to the main control board, and the power management module is configured to supply power to the screen projection device.
4. The TYPE-C interface-based screen projection system of claim 3, wherein a power interface is disposed on the power management module, and the power management module is connected to an external power source through the power interface for storing electric energy of the external power source.
5. The TYPE-C interface-based screen projection system of claim 3, wherein the screen projection device further comprises a switch module connected with the power management module, and the switch module is used for controlling the power management module to be turned on and off.
6. The TYPE-C interface-based screen projection system according to claim 1, wherein a reverse control module is further disposed in the main control board, and the reverse control module is configured to feed back a received reverse control instruction to the sending terminal through the second TYPE-C interface, so as to perform reverse control on the sending terminal.
7. The TYPE-C interface-based screen projection system of claim 1, wherein the screen projection device further comprises an indicator light connected to the main control board for displaying an operation state of the screen projection device.
8. The TYPE-C interface-based screen projection system of claim 1, wherein the display terminal comprises a second wireless transmission module for establishing a connection with the screen projection device.
9. The TYPE-C interface based screen projection system of claim 8, wherein the first wireless transmission module and the second wireless transmission module are WIFI modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221250395.7U CN218499197U (en) | 2022-05-23 | 2022-05-23 | Screen projection system based on TYPE-C interface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221250395.7U CN218499197U (en) | 2022-05-23 | 2022-05-23 | Screen projection system based on TYPE-C interface |
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| Publication Number | Publication Date |
|---|---|
| CN218499197U true CN218499197U (en) | 2023-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221250395.7U Active CN218499197U (en) | 2022-05-23 | 2022-05-23 | Screen projection system based on TYPE-C interface |
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| CN (1) | CN218499197U (en) |
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- 2022-05-23 CN CN202221250395.7U patent/CN218499197U/en active Active
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