CN213990826U - Video acquisition device based on android platform - Google Patents
Video acquisition device based on android platform Download PDFInfo
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- CN213990826U CN213990826U CN202120188580.7U CN202120188580U CN213990826U CN 213990826 U CN213990826 U CN 213990826U CN 202120188580 U CN202120188580 U CN 202120188580U CN 213990826 U CN213990826 U CN 213990826U
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Abstract
The utility model provides a video acquisition device based on tall and erect platform of ann, include: the VGA signal acquisition part and the audio signal acquisition part are connected with the first conversion part, the first conversion part is connected with the second conversion part, the HDMI signal acquisition part is connected with the second conversion part, the second conversion part is connected with the third conversion part, and the third conversion part is connected with the android main board; the first conversion part converts the VGA signal into an HDMI signal; the second conversion part switches HDMI signals; the third conversion part converts the HDMI signal into an MIPI signal; and the android main board receives and processes the MIPI signal. The utility model discloses a video acquisition device based on tall and erect platform of ann is equipped with first conversion portion, second conversion portion, third conversion portion for tall and erect mainboard of ann can gather HDMI signal and VGA signal and audio signal, shows the sound of interface and the function of picture, is used for the live broadcast of network, throws scene such as screen broadcast, video recording record.
Description
Technical Field
The utility model relates to a video acquisition technical field especially indicates a video acquisition device based on tall and erect platform of ann.
Background
With the rapid development of the internet, the network has penetrated into various aspects of people's lives, and various products generated by the network also have a myriad of relationships with people's lives, especially to the current online shopping, network live broadcast, screen projection playing, video recording and the like. The generation of these products requires people to collect video signals and audio signals, and generally, the collection is performed by using electronic equipment such as a mobile phone. But the electronic equipment of present android platform can only gather HDMI signal or VGA signal, can not gather simultaneously or freely switch over, and it is very troublesome, inconvenient to use, and the restriction user freely exerts, also restricts more to the use scene.
Disclosure of Invention
The utility model provides a can gather the sound and the video acquisition device based on tall and erect platform of ann of the two display interface commonly used of HDMI and VGA simultaneously, the scene that is suitable for is more extensive.
The utility model adopts the technical proposal that: a video capture device based on android platform includes: the device comprises a VGA signal acquisition part, an audio signal acquisition part, an HDMI signal acquisition part, a first conversion part, a second conversion part, a third conversion part and an android main board; the VGA signal acquisition part and the audio signal acquisition part are connected with the first conversion part, the first conversion part is connected with the second conversion part, the HDMI signal acquisition part is connected with the second conversion part, the second conversion part is connected with the third conversion part, and the third conversion part is connected with the android main board; the first conversion part converts the VGA signal into an HDMI signal; the second conversion part switches HDMI signals; the third conversion part converts the HDMI signal into an MIPI signal; and the android main board receives and processes the MIPI signal.
Further, the first conversion part is provided with an MS9288 chip, and the MS9288 chip converts VGA signals into HDMI signals.
Furthermore, the second conversion part is provided with a TS3DV642A0RUAR chip, multiple HDMI signals are simultaneously connected to the TS3DV642A0RUAR chip, and one path of HDMI signal is selected to be output by controlling the level of the SEL2 pin, so that signal switching is realized.
Furthermore, the third conversion part is provided with a TC358749XBG chip, the HDMI signal is connected to the TC358749XBG chip, and the TC358749XBG chip outputs the MIPI signal after processing.
Furthermore, the MS9288 chip is provided with a plurality of ports which are respectively connected with the VGA signal acquisition part, the audio signal acquisition part and a plurality of test debugging points.
Furthermore, the audio signal acquisition part is provided with a plurality of capacitors for isolation.
Furthermore, the MS9288 chip is also connected with an audio voltage input reference pin decoupling capacitor to decouple the circuit.
Furthermore, the TS3DV642A0RUAR chip is provided with a plurality of ports, which are respectively connected to the MS9288 chip, the HDMI signal acquisition unit, and the ESD tube of the HDMI input socket.
Further, the TC358749XBG chip is provided with a plurality of ports, which are respectively connected to the VGA EDID module, the MS92883.3V module, the MS9288 decoring CAP module, and the TC358749XBG decoring CAP module.
Furthermore, the VGA EDID module is provided with an EEPROM chip for reading and writing the EDID data of the equipment.
Compared with the prior art, the utility model relates to a video acquisition device based on tall and erect platform of ann is equipped with first conversion portion, second conversion portion, third conversion portion for tall and erect mainboard of ann can gather HDMI signal and VGA signal and audio signal, shows the sound of interface and the function of picture, is used for the live broadcast of network, throws on-the-spot such as screen broadcast, video recording record.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings, there is shown in the drawings,
FIG. 1: the utility model relates to a structure schematic diagram of a video acquisition device based on an android platform;
FIG. 2: the utility model relates to a circuit schematic diagram of a first conversion part of a video acquisition device based on an android platform and a peripheral circuit thereof;
FIG. 3: the utility model relates to a circuit schematic diagram of a second conversion part and an external circuit of a video acquisition device based on an android platform;
FIG. 4: the utility model relates to a circuit schematic diagram of a third conversion part of a video acquisition device based on an android platform;
FIG. 5: the utility model relates to a video acquisition device's third conversion portion's circuit schematic diagram of peripheral hardware circuit based on tall and erect platform of ann.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings. It is to be understood that the description of the embodiments herein is for purposes of illustration and explanation only and is not intended to limit the invention.
As shown in fig. 1, the utility model discloses a video acquisition device based on tall and erect platform of ann, include: VGA signal acquisition portion, audio signal acquisition portion, HDMI signal acquisition portion, first conversion portion, second conversion portion, third conversion portion, tall and erect mainboard of ann. The VGA signal acquisition part, the audio signal acquisition part with first conversion part is connected, first conversion part with second conversion part is connected, HDMI signal acquisition part with second conversion part is connected, second conversion part with third conversion part is connected, third conversion part with tall and erect mainboard connection of ann. The first conversion part converts VGA signals into HDMI signals, the second conversion part switches the HDMI signals, the third conversion part converts the HDMI signals into MIPI signals, and the android mainboard receives and processes the MIPI signals.
As shown in fig. 2, the first conversion unit is provided with an MS9288 chip, and the MS9288 chip converts a VGA signal into an HDMI signal. The MS9288 chip is provided with a plurality of ports which are respectively connected with the VGA signal acquisition part VGA Input, the audio signal acquisition part and a plurality of test debugging points. The audio signal collection part PC AUD Input is provided with a plurality of capacitors for isolation, and the capacitors isolate direct current to play a role in protecting a post-stage circuit. The MS9288 chip is also connected with an audio voltage input reference pin decoupling capacitor AUD ADC REF to decouple the circuit. And the chip I2C HEADER debugging test point is used for debugging chip register data.
As shown in fig. 3, the second conversion unit Signal Switching is provided with a TS3DV642A0RUAR chip, multiple HDMI signals are simultaneously connected to the TS3DV642A0RUAR chip, and one of the HDMI signals is selected by controlling the level of the SEL2 pin to output, so as to implement Signal Switching. The TS3DV642A0RUAR chip is provided with a plurality of ports which are respectively connected with the MS9288 chip, the HDMI signal acquisition part and an ESD tube of the HDMI input socket. And the ESD tube of the HDMI input socket is used for electrostatic protection.
As shown in fig. 4 and 5, the third conversion unit is provided with a TC358749XBG chip, the HDMI signal is connected to the TC358749XBG chip, and the TC358749XBG chip outputs an MIPI signal after processing. The TC358749XBG chip is provided with a plurality of ports which are respectively connected with a VGA EDID module, a MS92883.3V module, an MS9288 decoring CAP module and a TC358749XBG decoring CAP module. The VGA EDID module is provided with an EEPROM chip and is used for reading and writing the EDID data of the equipment. MS9288 Decoupling CAP module, Decoupling capacity of MS9288 chip power supply, Decoupling effect. The TC358749XBG Decoupling CAP module has Decoupling capacity and Decoupling function of a TC358749XBG chip power supply.
As shown in fig. 1 to 5, the workflow of the video capture device based on the android platform is as follows: and after the mainboard is electrified and normally started, the video acquisition software is automatically started. Firstly, the VGA video line and the audio line of the source signal are respectively connected to the VGA signal acquisition part and the audio signal acquisition part of the android mainboard, and the VGA video signal and the audio signal are converted into HDMI signals through the first conversion part. Then clicking a mouse or pressing a key to select a VGA acquisition mode, and at the moment, converting an HDMI signal converted from a VGA source signal into an MIPI signal to be transmitted to an android mainboard. And then the HDMI video cable of the source signal is accessed to the HDMI signal acquisition part of the android mainboard. And then the HDMI acquisition mode is selected through a mouse or a key, and at the moment, the HDMI source signal is converted into an MIPI signal through the third conversion part and is transmitted to the android mainboard. After the signal is input into the android mainboard, the signal can be output and displayed through display interfaces such as HDMI, VGA, LVDS, MIPI, EDP and the like, and the signal can also be pushed to flow through a network.
To sum up, the utility model relates to a video acquisition device based on tall and erect platform of ann is equipped with first conversion portion, second conversion portion, third conversion portion for tall and erect mainboard of ann can gather HDMI signal and VGA signal and audio signal, shows the sound of interface and the function of picture, is used for the live broadcast of network, throws on-the-spot such as screen broadcast, video recording record.
As long as the idea created by the present invention is not violated, various different embodiments of the present invention can be arbitrarily combined, and all the embodiments should be regarded as the content disclosed by the present invention; the utility model discloses an in the technical conception scope, carry out multiple simple variant and different embodiments to technical scheme and go on not violating the utility model discloses the arbitrary combination of the thought of creation all should be within the protection scope.
Claims (10)
1. The utility model provides a video capture device based on tall and erect platform of ann, its characterized in that includes:
the device comprises a VGA signal acquisition part, an audio signal acquisition part, an HDMI signal acquisition part, a first conversion part, a second conversion part, a third conversion part and an android main board;
the VGA signal acquisition part and the audio signal acquisition part are connected with the first conversion part, the first conversion part is connected with the second conversion part, the HDMI signal acquisition part is connected with the second conversion part, the second conversion part is connected with the third conversion part, and the third conversion part is connected with the android main board;
the first conversion part converts the VGA signal into an HDMI signal;
the second conversion part switches HDMI signals;
the third conversion part converts the HDMI signal into an MIPI signal;
and the android main board receives and processes the MIPI signal.
2. The android platform-based video capture device of claim 1, wherein: the first conversion part is provided with an MS9288 chip, and the MS9288 chip converts VGA signals into HDMI signals.
3. The android platform-based video capture device of claim 1, wherein: the second conversion part is provided with a TS3DV642A0RUAR chip, multiple HDMI signals are simultaneously connected to the TS3DV642A0RUAR chip, and one path of HDMI signal is selected to be output by controlling the level of the SEL2 pin, so that signal switching is realized.
4. The android platform-based video capture device of claim 1, wherein: the third conversion part is provided with a TC358749XBG chip, the HDMI signal is connected to the TC358749XBG chip, and the TC358749XBG chip outputs an MIPI signal after processing.
5. The android platform-based video capture device of claim 2, wherein: the MS9288 chip is provided with a plurality of ports which are respectively connected with the VGA signal acquisition part, the audio signal acquisition part and a plurality of test debugging points.
6. The android platform-based video capture device of claim 5, wherein: the audio signal acquisition part is provided with a plurality of capacitors for isolation.
7. The android platform-based video capture device of claim 5, wherein: the MS9288 chip is also connected with an audio voltage input reference pin decoupling capacitor to decouple the circuit.
8. The android platform-based video capture device of claim 5, wherein: the TS3DV642A0RUAR chip is provided with a plurality of ports which are respectively connected with the MS9288 chip, the HDMI signal acquisition part and an ESD tube of the HDMI input socket.
9. The android platform-based video capture device of claim 4, wherein: the TC358749XBG chip is provided with a plurality of ports which are respectively connected with a VGA EDID module, a MS92883.3V module, an MS9288 decoring CAP module and a TC358749XBG decoring CAP module.
10. The android platform-based video capture device of claim 9, wherein: the VGA EDID module is provided with an EEPROM chip and is used for reading and writing the EDID data of the equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120188580.7U CN213990826U (en) | 2021-01-25 | 2021-01-25 | Video acquisition device based on android platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120188580.7U CN213990826U (en) | 2021-01-25 | 2021-01-25 | Video acquisition device based on android platform |
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| Publication Number | Publication Date |
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| CN213990826U true CN213990826U (en) | 2021-08-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120188580.7U Active CN213990826U (en) | 2021-01-25 | 2021-01-25 | Video acquisition device based on android platform |
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| CN (1) | CN213990826U (en) |
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2021
- 2021-01-25 CN CN202120188580.7U patent/CN213990826U/en active Active
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