CN220964965U - Portable video image generator with multi-type signal interface conversion function - Google Patents
Portable video image generator with multi-type signal interface conversion function Download PDFInfo
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- CN220964965U CN220964965U CN202322325741.4U CN202322325741U CN220964965U CN 220964965 U CN220964965 U CN 220964965U CN 202322325741 U CN202322325741 U CN 202322325741U CN 220964965 U CN220964965 U CN 220964965U
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Abstract
The utility model discloses a portable video image generator with a multi-type signal interface conversion function, which comprises an MCU, an HDMI input module, an HDMI distributor, an HDMI-DP conversion module, an HDMI-RGB conversion module and an RGB-SDI conversion module. The HDMI input module is used for inputting standard HDMI input signals. The HDMI distributor is connected with the HDMI input module. The HDMI-DP conversion module and the HDMI-RGB conversion module are connected with the HDMI distributor. The RGB-SDI conversion module is connected with the HDMI-RGB conversion module. The MCU is connected with the HDMI distributor, the HDMI-DP conversion module, the HDMI-RGB conversion module and the RGB-SDI conversion module and used for outputting test images in various signal forms. The utility model has the functions of test image generation and multi-type signal conversion, is convenient to carry and has low cost.
Description
Technical Field
The present utility model relates to a video image generator, and more particularly, to a portable video image generator with multiple types of signal interface conversion.
Background
A video image generator, or video signal generator, is a device for generating various video image test signals when servicing video equipment such as televisions. The existing video image generator in the market is a standard signal source, and the standard signal source has the advantages of powerful functions, but in actual use, the existing video image generator can be found to have complex operation, a user can never use a plurality of functions (such as image special effects and the like) except the functions of generating test images and converting signals, in addition, the existing video image generator has the problems of high price, large volume, large occupied space, inconvenient carrying, frequent queuing and waiting for use due to the fact that the existing video image generator has a plurality of functions, and the working progress is seriously delayed.
Disclosure of utility model
The utility model aims to provide a portable video image generator with a multi-type signal interface conversion function, which solves the problems of high price, large volume, inconvenient carrying and the like of the existing video image generator.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A portable video image generator with a multi-type signal interface conversion function comprises an MCU, an HDMI input module, an HDMI distributor, an HDMI-DP conversion module, an HDMI-RGB conversion module and an RGB-SDI conversion module, wherein:
the HDMI input module is used for inputting standard HDMI input signals;
The HDMI distributor is connected with the HDMI input module and is used for dividing one path of HDMI input signals input by the HDMI input module into the same multipath HDMI output signals for output;
The HDMI-DP conversion module is connected with the HDMI distributor and used for converting one path of HDMI output signals output by the HDMI distributor into DP signals to be output;
The HDMI-RGB conversion module is connected with the HDMI distributor and used for converting one path of HDMI output signals output by the HDMI distributor into RGB signals to be output;
The RGB-SDI conversion module is connected with the HDMI-RGB conversion module and is used for converting RGB signals output by the HDMI-RGB conversion module into SDI signals to be output;
the MCU is connected with the HDMI distributor, the HDMI-DP conversion module, the HDMI-RGB conversion module and the RGB-SDI conversion module and used for controlling the HDMI distributor, the HDMI-DP conversion module, the HDMI-RGB conversion module and the RGB-SDI conversion module to enable the test image to be output in various signal forms.
The utility model has the advantages that:
The utility model reserves the functions of generating test images and converting signals commonly used by the prior video image generator, can convert the test images into multiple types of signals to output the test images, has simple structure, easy operation, small volume, convenient carrying, greatly reduced cost and high practicability, is not limited by the use space, and is suitable for popularization.
Drawings
Fig. 1 is a schematic diagram of a portable video image generator of the present utility model.
Detailed Description
As shown in fig. 1, the portable video image generator with multi-type signal interface conversion function of the present utility model comprises an MCU 60, an HDMI input module 10, an HDMI distributor 20, an HDMI-DP conversion module 30, an HDMI-RGB conversion module 40 and an RGB-SDI conversion module 50, wherein:
The HDMI input module 10 is for inputting a standard HDMI input signal (HDMI signal);
The HDMI distributor 20 is connected to the HDMI input module 10, and is configured to divide one path of HDMI input signal input by the HDMI input module 10 into the same multiple paths of HDMI output signals for output;
The HDMI-DP conversion module 30 is connected to the HDMI distributor 20, and is configured to convert one path of HDMI output signal outputted from the HDMI distributor 20 into a DP signal for outputting, so as to satisfy a user with a DP input requirement;
The HDMI-RGB conversion module 40 is connected to the HDMI distributor 20, and is configured to convert one of the HDMI output signals outputted from the HDMI distributor 20 into an RGB signal (or TTL-RGB signal) for outputting, so as to prepare for further conversion into an SDI signal because the HDMI signal cannot be directly converted into the SDI signal;
the RGB-SDI conversion module 50 is connected to the HDMI-RGB conversion module 40, and is configured to convert the RGB signals output from the HDMI-RGB conversion module 40 into SDI signals for output, so as to satisfy the user having the SDI input requirement;
The MCU 60 is connected to the HDMI distributor 20, the HDMI-DP conversion module 30, the HDMI-RGB conversion module 40, and the RGB-SDI conversion module 50, and is configured to control operations of the HDMI distributor 20, the HDMI-DP conversion module 30, the HDMI-RGB conversion module 40, and the RGB-SDI conversion module 50, so that test images are output in various signal forms, different requirements of users are satisfied, and a function of generating test images is implemented.
As shown in fig. 1, in practical implementation, one path of HDMI output signal outputted by the HDMI splitter 20 is directly outputted in the form of an HDMI signal via the HDMI output module 21.
Of course, in order to facilitate the comparison test by the user under the same condition of ensuring the same type of homology, as shown in fig. 1, at least two HDMI output signals among all HDMI output signals outputted from the HDMI distributor 20 are directly outputted as standard HDMI signals and each HDMI output signal directly outputted is outputted via the HDMI output module 21 independently provided.
In actual implementation, as shown in fig. 1, the HDMI-DP conversion module 30 outputs a DP signal and the DP signal is output through the DP output module 31. In the present utility model, the DP output module 31 is designed to be backward compatible with conventional interfaces (e.g., HDMI, DVI) through active or passive adapters in place of conventional VGA, DVI, and FPD-Link (LVDS) interfaces of existing video image generators.
As shown in fig. 1, in order to provide more extended output interfaces for users and to facilitate comparison tests for users under the same conditions of ensuring the same type of homology, the RGB-SDI conversion module 50 outputs at least two SDI signals and each SDI signal is output via an SDI output module 51 separately provided.
As shown in fig. 1, the MCU 60 preferably controls the HDMI distributor 20, the HDMI-DP conversion module 30, and the HDMI-RGB conversion module 40 based on the I2C bus, and the MCU 60 controls the RGB-SDI conversion module 50 based on the SPI bus.
As shown in fig. 1, the portable video image generator with the function of converting multiple types of signal interfaces according to the present utility model further includes an interaction module 70, where the interaction module 70 is connected to the MCU 60, and is used for inputting control commands to the MCU 60. For example, the interaction module 70 is a keyboard, although not limited.
Taking a keyboard as an example, the MCU 60 can receive a control command sent by a key of the keyboard, and then send the control command to the HDMI distributor 20 and each conversion module based on the I2C bus and the SPI bus, so as to achieve the purpose of outputting a corresponding test image to the outside.
For example, when the MCU 60 receives the control command input by the "a" key, it sends a corresponding control command to the HDMI distributor 20, the HDMI-DP conversion module 30, and the HDMI-RGB conversion module 40 via the I2C bus and sends a corresponding control command to the RGB-SDI conversion module 50 via the SPI bus, so that the HDMI-DP conversion module 30, the HDMI-RGB conversion module 40, and the RGB-SDI conversion module 50 finally output a "white screen" via their respective corresponding output modules, thereby meeting the test requirements of different users.
As shown in fig. 1, the portable video image generator with the function of converting multiple types of signal interfaces according to the present utility model further includes a power module 80 for supplying power to each module.
In the present utility model, the MCU 60, the power module 80, and the interaction module 70 are all implemented by devices well known in the art, the HDMI input module 10 and the HDMI output module 21 are standard HDMI signal interfaces, the DP output module 31 and the SDI output module 51 are implemented by existing signal interfaces, and the HDMI distributor 20, the HDMI-DP conversion module 30, the HDMI-RGB conversion module 40, and the RGB-SDI conversion module 50 are implemented by chips well known in the art.
The utility model can be used as a video image generator for outputting test images and can be independently used for converting multiple types of signal interfaces. When the utility model is used as a video image generator, the MCU 60 realizes the output of a required test image based on the communication between the I2C and SPI buses and the corresponding modules according to the control command input by the interaction module 70, thereby achieving the image test purpose of the video image generator and realizing a good man-machine interaction function by the interaction module. When the utility model is used for converting the multi-type signal interfaces, the input standard HDMI signals can be converted into HDMI signals, SDI signals and DP signals and output at the same time, so that the output requirements of users on different graphs or special graphs are greatly met, and the utility model can be suitable for displays of the different types of signal interfaces to display. Fig. 1 shows a case where two standard HDMI signals, two SDI signals, and one DP signal are simultaneously output when the present utility model is used for multi-type signal interface conversion.
In the present utility model:
MCU Microcontroller Unit, also called single-chip Microcomputer (SINGLE CHIP microcomputers) or single-chip Microcomputer.
HDMI, high Definition Multimedia Interface, a short term for high definition multimedia interface, is a fully digital video and audio transmission interface that can transmit uncompressed audio and video signals. HDMI splitters may also be referred to as power splitters.
DP, disp1ayPort, is a digital video interface standard developed by the PC and chip manufacturers association, video Electronics Standards Association (VESA) standardization. The DP interface is authentication-free and authorization-free, is mainly used for connecting a video source with a display and other devices, and also supports carrying audio, USB and other forms of data.
RGB is a widely used color model, which is a color standard in industry, and is mainly used for obtaining various colors by changing three color channels of red (R), green (G) and blue (B) and overlapping the three color channels.
SDI, serial Digital Interface, the digital component serial interface can be classified into standard definition SD-SDI, high definition standard HD-SDI and 3G-SDI according to the rate.
The I2C bus (or written 1 2 C bus) is a simple, bi-directional two-wire synchronous serial bus developed by Phi1ips company.
The SPI bus is a full duplex synchronous serial bus developed by Motorola corporation, and is a synchronous serial port for communication between a Microprocessing Control Unit (MCU) and peripheral devices.
The utility model reserves the functions of generating test images and converting signals commonly used by the prior video image generator, can convert the test images into multiple types of signals to output the test images, has simple structure, easy operation, small volume, convenient carrying, greatly reduced cost and high practicability, is not limited by the use space, and is suitable for popularization.
The foregoing is a description of the preferred embodiments of the present utility model and the technical principles applied thereto, and it will be apparent to those skilled in the art that any modifications, equivalent changes, simple substitutions and the like based on the technical scheme of the present utility model can be made without departing from the spirit and scope of the present utility model.
Claims (9)
1. The utility model provides a have portable video image generator of many types of signal interface conversion function concurrently which characterized in that includes MCU, HDMI input module, HDMI distributor, HDMI-DP conversion module, HDMI-RGB conversion module and RGB-SDI conversion module, wherein:
the HDMI input module is used for inputting standard HDMI input signals;
The HDMI distributor is connected with the HDMI input module and is used for dividing one path of HDMI input signals input by the HDMI input module into the same multipath HDMI output signals for output;
The HDMI-DP conversion module is connected with the HDMI distributor and used for converting one path of HDMI output signals output by the HDMI distributor into DP signals to be output;
The HDMI-RGB conversion module is connected with the HDMI distributor and used for converting one path of HDMI output signals output by the HDMI distributor into RGB signals to be output;
The RGB-SDI conversion module is connected with the HDMI-RGB conversion module and is used for converting RGB signals output by the HDMI-RGB conversion module into SDI signals to be output;
the MCU is connected with the HDMI distributor, the HDMI-DP conversion module, the HDMI-RGB conversion module and the RGB-SDI conversion module and used for controlling the HDMI distributor, the HDMI-DP conversion module, the HDMI-RGB conversion module and the RGB-SDI conversion module to enable the test image to be output in various signal forms.
2. The portable video image generator with multiple types of signal interface conversion function as claimed in claim 1, wherein one of the HDMI output signals outputted from the HDMI distributor is directly outputted via an HDMI output module.
3. The portable video image generator with multi-type signal interface conversion function according to claim 1, wherein at least two paths of the HDMI output signals of all the HDMI output signals outputted by the HDMI distributor are directly outputted and each path of the HDMI output signals directly outputted is outputted via an HDMI output module independently provided.
4. The portable video image generator with multiple types of signal interface conversion function as claimed in claim 1, wherein said HDMI-DP conversion module outputs one of said DP signals and said DP signal is output via a DP output module.
5. The portable video image generator with multi-type signal interface conversion function according to claim 1, wherein the RGB-SDI conversion module outputs at least two paths of the SDI signals and each path of the SDI signals is output through an SDI output module independently provided.
6. The portable video image generator with multi-type signal interface conversion function according to claim 1, wherein the MCU controls the HDMI distributor, the HDMI-DP conversion module and the HDMI-RGB conversion module based on an I2C bus, and the MCU controls the RGB-SDI conversion module based on an SPI bus.
7. The portable video image generator with multi-type signal interface conversion function according to claim 1, further comprising an interaction module connected to the MCU for inputting control commands to the MCU.
8. The portable video image generator with multi-type signal interface conversion function of claim 7, wherein the interactive module is a keyboard.
9. The portable video image generator with multi-type signal interface conversion function according to any one of claims 1 to 8, further comprising a power module for supplying power.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322325741.4U CN220964965U (en) | 2023-08-29 | 2023-08-29 | Portable video image generator with multi-type signal interface conversion function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202322325741.4U CN220964965U (en) | 2023-08-29 | 2023-08-29 | Portable video image generator with multi-type signal interface conversion function |
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| CN220964965U true CN220964965U (en) | 2024-05-14 |
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| CN202322325741.4U Active CN220964965U (en) | 2023-08-29 | 2023-08-29 | Portable video image generator with multi-type signal interface conversion function |
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