CN211557367U

CN211557367U - Full high definition four-way image splicer

Info

Publication number: CN211557367U
Application number: CN202020312336.2U
Authority: CN
Inventors: 温庆山
Original assignee: Shenzhen Youshi Intelligent Technology Co ltd
Current assignee: Shenzhen Youshi Intelligent Technology Co ltd
Priority date: 2020-03-13
Filing date: 2020-03-13
Publication date: 2020-09-22
Anticipated expiration: 2030-03-13

Abstract

The utility model relates to a full high definition four-way image splicer, which comprises a voltage conversion circuit, a receiving circuit, an image processor, an output HDMI output circuit and a system control unit; the image processor receiving circuit comprises an HDMI receiver and a VGA receiver, and the HDMI receiver, the VGA receiver and the HDMI output circuit of the image processor are all connected with the image processor of the image processor; the number of the HDMI receivers and the VGA receivers of the image processor is 4; the image processor system control unit is connected with the image processor HDMI receiver, the VGA receiver and the image processor; accept digital and analog video signal through setting up 4 way HDMI receivers and VGA receiver to synthesize, processing such as compression, filtering in with signal transmission to image processor, and by HDMI output circuit with signal output to the display in, the utility model discloses an image splicer's multichannel modulus input, it is more extensive to be suitable for the scene, and the output image quality is more clear.

Description

Full high definition four-way image splicer

Technical Field

The utility model relates to a video processing technology field specifically is full high definition four ways image splicer.

Background

The video splicing controller is professional video processing and control equipment, has the main functions of dividing a video signal into a plurality of display units, outputting the divided display unit signals to a plurality of display terminals, and completing splicing to form a complete image by a plurality of display screens. However, the video image splicer in the prior art has a relatively small number of input paths and only supports signal input in the HDMI format.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is to provide a full high definition four-way image splicer, which supports 4-way signal input and is compatible with the input of analog and digital signals.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model discloses a full high definition four-way image splicer, including voltage conversion circuit, receiving circuit, image processor, output HDMI output circuit and system control unit; the receiving circuit comprises an HDMI receiver and a VGA receiver, and the HDMI receiver, the VGA receiver and the HDMI output circuit are all connected with the image processor; the number of the HDMI receivers and the VGA receivers is 4; the system control unit is connected with the HDMI receiver, the VGA receiver and the image processor; the voltage conversion circuit is externally connected with a power supply, and transmits the voltage-transformed voltage to the HDMI receiver, the VGA receiver, the HDMI output circuit, the image processor and the system control unit.

And the infrared serial port key circuit is respectively connected with the system control power supply and the voltage conversion circuit.

Furthermore, the image processor comprises two first image processors and one second image processor, each first image processor is respectively connected with the two HDMI receivers and the VGA receiver, the second image processor is connected with the HDMI output circuit, and the two first image processors are converged and connected to the second image processor.

Further, the image processor is of the model MDIN 360.

Further, the HDMI receiver is an HDMI receiving chip IT68051, and the HDMI receiving chip is connected with the first image processor.

Further, the VGA receiver is an analog-to-digital converter MST9883, and the analog-to-digital converter is connected with the first image processor.

Further, the system control unit is an STM32 single chip microcomputer.

Further, the HDMI output circuit comprises an HDMI output interface and an HDMI output chip, and the type of the HDMI output chip is IT 68051.

The utility model has the advantages that: the utility model discloses a full high definition four ways image splicer accepts the video signal of digit and simulation through setting up 4 ways HDMI receivers and VGA receiver to synthesize, processing such as compression, filtering in image processor with signal transmission, and by HDMI output circuit with signal output to the display in, the utility model discloses a multichannel modulus input of image splicer, it is more extensive to be suitable for the scene, and the output image quality is more clear.

Drawings

The invention will be further described with reference to the following figures and examples:

FIG. 1 is a block diagram of the present invention;

FIG. 2 is a schematic diagram of an image processor according to the present invention;

fig. 3 is a schematic diagram of an HDMI receiver of the present invention;

fig. 4 is a schematic diagram of an HDMI input interface and an HDMI output interface according to the present invention;

fig. 5 is a schematic diagram of a VGA receiver of the present invention;

fig. 6 is a schematic diagram of the VGA input interface of the present invention.

Detailed Description

As shown in fig. 1-6: the full-high-definition four-path image splicer comprises a voltage conversion circuit, a receiving circuit, an image processor, an output HDMI output circuit and a system control unit; the receiving circuit comprises an HDMI receiver and a VGA receiver, and the HDMI receiver, the VGA receiver and the HDMI output circuit are all connected with the image processor; the number of the HDMI receivers and the VGA receivers is 4; the system control unit is connected with the HDMI receiver, the VGA receiver and the image processor; the voltage conversion circuit is externally connected with a power supply and is transmitted to the HDMI receiver, the VGA receiver, the HDMI output circuit, the image processor and the system control unit after voltage transformation. Accept digital and analog video signal through setting up 4 way HDMI receivers and VGA receiver to synthesize, processing such as compression, filtering in with signal transmission to image processor, and by HDMI output circuit with signal output to the display in, the utility model discloses an image splicer's multichannel modulus input, it is more extensive to be suitable for the scene, and the output image quality is more clear.

In this embodiment, the device further includes an infrared serial key circuit, where the infrared serial key circuit is connected to the system control power supply and the voltage conversion circuit, and the infrared serial key circuit is used as a man-machine interaction interface part for customer operation.

In this embodiment, the image processor includes two first image processors and one second image processor, each first image processor is connected to two HDMI receivers and VGA receiver, respectively, the second image processor is connected to the HDMI output circuit, and the two first image processors are converged and connected to the second image processor.

In this embodiment, the image processor is of the type MDIN 360.

In this embodiment, the HDMI receiver is an HDMI receiving chip IT68051, the HDMI receiving chip is connected to the first image processor, and the IT68051 is a dual-port hdm i2.0b receiver, supports the function of 6.0 Gbps/channel, and can be used as a chip for HDMI input and output, so that the HDMI receiver and the HDMI output circuit in this embodiment have the same structure.

In this embodiment, the VGA receiver is an analog-to-digital converter MST9883, and the analog-to-digital converter is connected to the first image processor.

In this embodiment, the system control unit is an STM32 singlechip.

In this embodiment, the HDMI output circuit includes an HDMI output interface and an HDMI output chip, and the model of the HDMI output chip is IT 68051.

The whole design circuit comprises:

1. the power supply conversion system provides 5V to 1.2V, 3.3V and 1.8V voltage to supply power to each part of circuits under the board.

2. The infrared serial key circuit is used as an interface part for man-machine interaction for customer operation.

3. The HDMI receiving circuit has four paths to receive HDMI signals in parallel.

4. Each first image processor receives two paths of video signals, synthesizes the two paths of video signals into one path, sends the one path of video signals, synthesizes a group of core image processing circuits through the second image processor to realize the receiving of two paths of digital signals, synthesizes one path of HDMI through the HDMI output circuit and outputs the one path of HDMI to the display.

5. The STM32 system control unit serves as the brain of the whole board card to provide driving services for the MDIN360, the IT68051 and the MST9883, and control acquisition is realized.

The utility model has the advantages that: the utility model discloses a full high definition four ways image splicer, it is finally explained, above embodiment only is used for explaining the utility model discloses a technical scheme and not restriction, although it is right to refer to preferred embodiment the utility model discloses carry out the detailed description, ordinary skilled person in the art should understand, can be right the utility model discloses a technical scheme modifies or equivalent replacement, and does not deviate from the utility model discloses technical scheme's purpose and scope, it all should be covered in the middle of the claim scope of the utility model.

Claims

1. Full high definition four ways image splicer, its characterized in that: the device comprises a voltage conversion circuit, a receiving circuit, an image processor, an output HDMI output circuit and a system control unit; the receiving circuit comprises an HDMI receiver and a VGA receiver, and the HDMI receiver, the VGA receiver and the HDMI output circuit are all connected with the image processor; the number of the HDMI receivers and the VGA receivers is 4; the system control unit is connected with the HDMI receiver, the VGA receiver and the image processor; the voltage conversion circuit is externally connected with a power supply, and transmits the voltage-transformed voltage to the HDMI receiver, the VGA receiver, the HDMI output circuit, the image processor and the system control unit.

2. The full high-definition four-way image splicer according to claim 1, wherein: the system control unit is connected with the voltage conversion circuit, and the infrared serial port key circuit is connected with the system control unit and the voltage conversion circuit respectively.

3. The full high-definition four-way image splicer according to claim 1, wherein: the image processor comprises two first image processors and one second image processor, each first image processor is respectively connected with the two HDMI receivers and the VGA receiver, the second image processor is connected with the HDMI output circuit, and the two first image processors are converged and connected to the second image processor.

4. The full high-definition four-way image splicer according to claim 1, wherein: the image processor is model number MDIN 360.

5. The full high-definition four-way image splicer according to claim 3, wherein: the HDMI receiver is an HDMI receiving chip IT68051, and the HDMI receiving chip is connected with the first image processor.

6. The full high-definition four-way image splicer according to claim 3, wherein: the VGA receiver is an analog-to-digital converter MST9883, and the analog-to-digital converter is connected with the first image processor.

7. The full high-definition four-way image splicer according to claim 1, wherein: and the system control unit is an STM32 single chip microcomputer.

8. The full high-definition four-way image splicer according to claim 1, wherein: the HDMI output circuit comprises an HDMI output interface and an HDMI output chip, and the model of the HDMI output chip is IT 68051.