CN211557366U - Ultra-high definition four-way image divider - Google Patents
Ultra-high definition four-way image divider Download PDFInfo
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- CN211557366U CN211557366U CN202020295895.7U CN202020295895U CN211557366U CN 211557366 U CN211557366 U CN 211557366U CN 202020295895 U CN202020295895 U CN 202020295895U CN 211557366 U CN211557366 U CN 211557366U
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Abstract
The utility model relates to an ultra-high definition four-way image divider, which comprises a voltage conversion circuit, an HDMI receiving circuit, an image processing chip, an HDMI output chip, an infrared serial port key circuit and a system control unit; the HDMI receiving circuit is four paths and is connected with the image processing chip, and the HDMI output chip is connected with the image processing chip and is used for providing an HDMI interface and outputting; the system control unit is connected with the HDMI receiving circuit, the image processing chip, the HDMI output chip and the infrared serial port key circuit; the voltage conversion circuit is externally connected with a power supply and converts the voltage of the power supply into a proper voltage to be transmitted to the HDMI receiving circuit, the image processing chip, the HDMI output chip, the infrared serial port key circuit and the system control unit; through setting up the video that 4 way HDMI receiving circuit received, then transmit to image processing chip and synthetic back output resolution can reach 4K, great improvement output picture's definition, realize infrared serial ports control through setting up serial ports keying circuit simultaneously to realize standard industrial control.
Description
Technical Field
The utility model relates to a video processing technology field specifically is clear four ways image splitter of superelevation.
Background
Image and video output devices are important components of computers, including both display devices and hard copy devices. The task of the system is to represent the processing result or intermediate result of the computer in the form of various media such as numbers, characters, images and the like, and the host computer processes the image information and inputs the processed image information into the image output equipment for display, but in the prior art, the input path number is small, and the input resolution can only support 1080P and 60 fps. When the computer desktop characters are displayed, the images are fuzzy, the image modes are few, and the experience of high-end customers on the image quality cannot be realized without serial port control.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing the clear four ways image splitter of superelevation can improve the output resolution ratio of picture splitter to 4k30fps output, and the definition of great improvement output picture increases to 4 way inputs simultaneously and has increased the picture display mode, has increased serial ports control, realizes standard industrial control.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model discloses a super high definition four-way image splitter, including voltage conversion circuit, HDMI receiving circuit, image processing chip, HDMI output chip, infrared serial ports button circuit and system control unit; the HDMI receiving circuit is provided with four paths and is connected with the image processing chip, and the HDMI output chip is connected with the image processing chip and is used for providing an HDMI interface and outputting; the system control unit is connected with the HDMI receiving circuit, the image processing chip, the HDMI output chip and the infrared serial port key circuit; the voltage conversion circuit is externally connected with a power supply and converts the voltage of the power supply into a suitable voltage to be transmitted to the HDMI receiving circuit, the image processing chip, the HDMI output chip, the infrared serial key circuit and the system control unit.
Furthermore, the image processing chip comprises two first image processing chips and one second image processing chip, each first image processing chip is respectively connected with the two HDMI receiving circuits, the second image processing chip is connected with the HDMI output chip, and the two first image processing chips are converged and connected to the second image processing chip.
Further, the HDMI receiving circuit adopts a receiver model IT 66021.
Further, the model of the image processing chip is MDIN 400.
Further, the model of the HDMI output chip is SIL 1136.
Further, the system control unit is an STM32 single chip microcomputer.
The utility model has the advantages that: the utility model discloses a clear four ways image splitter of superelevation sets up the video that 4 ways HDMI receiving circuit received, then transmits to the image processing chip and the synthetic back output resolution can reach 4K, and the definition of great improvement output picture realizes infrared serial ports control through setting up serial ports keying circuit simultaneously to realize standard industrial control.
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 HDMI receiving circuit according to the present invention;
fig. 3 is a first schematic diagram of a first image processing chip according to the present invention;
fig. 4 is a second schematic diagram of the first image processing chip of the present invention;
fig. 5 is a schematic diagram of a second image processing chip according to the present invention;
fig. 6 is a schematic diagram of an HDMI output chip according to the present invention;
fig. 7 is a schematic diagram of an HDMI interface of an HDMI output chip according to the present invention;
fig. 8 is a schematic diagram of a system control unit according to the present invention.
Detailed Description
As shown in fig. 1: the ultra-high-definition four-path image divider comprises a voltage conversion circuit, an HDMI receiving circuit, an image processing chip, an HDMI output chip, an infrared serial port key circuit and a system control unit; the HDMI receiving circuit is four paths and is connected with the image processing chip, and the HDMI output chip is connected with the image processing chip and is used for providing an HDMI interface and outputting; the system control unit is connected with the HDMI receiving circuit, the image processing chip, the HDMI output chip and the infrared serial port key circuit; the voltage conversion circuit is externally connected with a power supply and converts the voltage of the power supply into a suitable voltage to be transmitted to the HDMI receiving circuit, the image processing chip, the HDMI output chip, the infrared serial key circuit and the system control unit.
The voltage of the power supply is 12V, the voltage is converted into 1.8V and 3.3V through the voltage conversion circuit through the interface, and the voltage is supplied to the image processing chip, the system control unit, the HDMI receiving circuit, the HDMI output chip and the infrared serial key circuit for use. The HDMI receiver adopted in the HDMI receiving circuit is IT66021 in model, after two paths of HDMI signals are accessed into the HDMI receiver, the HDMI receiver is converted into BT1120 signals and is sent to an image processing chip with MDIN400 in model, picture synthesis and compression are carried out, noise filtering is carried out, and then HDMI chip output signals are output to display equipment through the HDMI with SIL1136 in model. The system control unit is an STM32 single chip microcomputer, and when IR, UART and keys on the single chip microcomputer receive corresponding instructions, the adjustment of output resolution, the setting of picture display modes, the control of sound output and the like are realized, so that the standard industrial control is realized.
In this embodiment, the image processing chip includes two first image processing chips and one second image processing chip, each first image processing chip is connected with two HDMI receiving circuits, the second image processing chip is connected with an HDMI output chip, and the two first image processing chips are converged and connected to the second image processing chip, and because of pin limitation of the image processing chip MDIN400 itself, the two first image processing chips need to be divided into two paths of input first and then converged together, thereby realizing 4 paths of input.
The specific implementation mode is as follows:
the schematic circuit diagram of the utility model is shown in fig. 2-8, fig. 2-4 are schematic diagrams of the HDMI receiving circuit of the utility model, the utility model adopts 4 inputs with the same structure, therefore, only one input schematic diagram is given in the embodiment, and the other three paths have the same structure; fig. 5-6 are schematic diagrams of a first image processing chip of the present invention, wherein the HDMI receiving circuit is connected to U13 and U6-B and U6-C of the first image chip, U6-B and U6-C are connected to U6-a of the second image processing chip, U6-a is connected to the HDMI output chip U19-a, U19-a is connected to the HDMI interface CN3, and CN3 is able to output video to the display; the STM32 system control unit serves as the brain of the whole board card to provide driving services for the MDIN400, the IT66021 and the SIL1136, and control acquisition is realized.
The utility model has the advantages that: the utility model discloses a clear four ways image splitter of superelevation sets up the video that 4 ways HDMI receiving circuit received, then transmits to the image processing chip and the synthetic back output resolution can reach 4K, and the definition of great improvement output picture realizes infrared serial ports control through setting up serial ports keying circuit simultaneously to realize standard industrial control.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (6)
1. The ultra-high definition four-way image divider is characterized in that: the device comprises a voltage conversion circuit, an HDMI receiving circuit, an image processing chip, an HDMI output chip, an infrared serial key circuit and a system control unit; the HDMI receiving circuit is provided with four paths and is connected with the image processing chip, and the HDMI output chip is connected with the image processing chip and is used for providing an HDMI interface and outputting; the system control unit is connected with the HDMI receiving circuit, the image processing chip, the HDMI output chip and the infrared serial port key circuit; the voltage conversion circuit is externally connected with a power supply and converts the voltage of the power supply into a suitable voltage to be transmitted to the HDMI receiving circuit, the image processing chip, the HDMI output chip, the infrared serial key circuit and the system control unit.
2. The ultra high definition four-way image segmenter according to claim 1, characterized in that: the image processing chip comprises two first image processing chips and a second image processing chip, each first image processing chip is respectively connected with the two HDMI receiving circuits, the second image processing chip is connected with the HDMI output chip, and the two first image processing chips are converged and connected to the second image processing chip.
3. The ultra high definition four-way image segmenter according to claim 2, characterized in that: the HDMI receiving circuit adopts a receiver model IT 66021.
4. The ultra high definition four-way image segmenter according to claim 2, characterized in that: the model of the image processing chip is MDIN 400.
5. The ultra high definition four-way image segmenter according to claim 2, characterized in that: the type of the HDMI output chip is SIL 1136.
6. The ultra high definition four-way image segmenter according to claim 1, characterized in that: and the system control unit is an STM32 single chip microcomputer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020295895.7U CN211557366U (en) | 2020-03-11 | 2020-03-11 | Ultra-high definition four-way image divider |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020295895.7U CN211557366U (en) | 2020-03-11 | 2020-03-11 | Ultra-high definition four-way image divider |
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| CN211557366U true CN211557366U (en) | 2020-09-22 |
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| CN202020295895.7U Active CN211557366U (en) | 2020-03-11 | 2020-03-11 | Ultra-high definition four-way image divider |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093957A (en) * | 2021-04-01 | 2021-07-09 | 深圳友视智能科技有限公司 | Method for controlling HDMI (high-definition multimedia interface) media by operating visual window through keyboard and mouse |
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2020
- 2020-03-11 CN CN202020295895.7U patent/CN211557366U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113093957A (en) * | 2021-04-01 | 2021-07-09 | 深圳友视智能科技有限公司 | Method for controlling HDMI (high-definition multimedia interface) media by operating visual window through keyboard and mouse |
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