CN211506458U - Intelligent video communication control circuit capable of realizing wireless screen projection and screen projection device - Google Patents
Intelligent video communication control circuit capable of realizing wireless screen projection and screen projection device Download PDFInfo
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- CN211506458U CN211506458U CN202020392952.3U CN202020392952U CN211506458U CN 211506458 U CN211506458 U CN 211506458U CN 202020392952 U CN202020392952 U CN 202020392952U CN 211506458 U CN211506458 U CN 211506458U
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Abstract
The utility model discloses a can realize wireless intelligent video communication control circuit who throws the screen and throw the screen device, include: the system comprises a main control module, a WIFI module, a 5G communication module, a wired network port module, an audio processing module, a video communication processing module, an expansion interface module and a display module; the WIFI module and the 5G communication module realize wireless communication connection of network equipment; the wired network port module realizes wired communication connection among network devices; the audio processing module realizes the acquisition and processing of audio signals; the video communication processing module realizes a video call function through an IP network; the display module is used for displaying the working state of the equipment; the expansion interface module is used for performing display expansion. The utility model has strong expandability, and supports the display expansion of video and audio output; the wireless screen projection and the wireless remote control can be realized, and the operation is convenient and fast; and 5G communication is supported, and video conference is carried out when a wired network and WIFI are disconnected.
Description
Technical Field
The utility model relates to a network video communication technical field especially relates to a can realize wireless intelligent video communication control circuit who throws the screen and throw the screen device.
Background
The average download rate of the broadband in China can reach 35.46Mbit/s nowadays, the ring ratio Q1 is improved by 13.2%, and meanwhile, the fifth generation mobile communication technology also starts to enter a commercial state. With the rise of cloud office, high-definition video call has become a necessary service for enterprises and public institutions. At present, video communication APP software based on a mobile phone is basically available in the market, video conversation is carried out by the aid of a camera on the mobile phone, point-to-point can be achieved, and the use is relatively convenient. However, this type of APP software has several disadvantages: 1) the mobile phone network is unstable and cannot be dialed at any time and any place; 2) the size of a mobile phone screen has limitation on the size of a display picture of a communication video, and is limited by the capacity of a mobile phone CPU, so that high-definition video communication cannot be realized even if the resolution of a mobile phone camera is high enough; 3) the sound collection effect of the microphone is not good enough; 4) the invention relates to a video communication control circuit capable of intelligently sharing a document on a computer to participants (including two situations of local conference and remote conference) in a conference, which is a problem to be solved by technical personnel in the field.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model lies in, to the above-mentioned defect of prior art, provide an intelligent video communication control circuit that can realize wireless throwing the screen and just throw the screen device.
In a first aspect, the utility model discloses an intelligent video communication control circuit capable of realizing wireless screen projection, which comprises a main control module, a WIFI module, a 5G communication module, a wired network port module, an audio processing module, a video communication processing module, an expansion interface module and a display module; the WIFI module, the 5G communication module, the wired network port module, the audio processing module, the video communication processing module, the expansion interface module and the display module are respectively and electrically connected with the main control module; the WIFI module adopts a dual-network card mode, and the WIFI module and the 5G communication module are used for realizing wireless communication connection among network devices; the wired network port module is used for providing a network interface to realize wired communication connection between network devices; the audio processing module is used for realizing the acquisition and processing of audio signals; the video communication processing module is used for displaying and outputting images and realizing a video call function among network equipment through an IP network; the display module is used for displaying the working state of the equipment; the expansion interface module is used for realizing the display expansion of audio and video.
Preferably, the intelligent video communication control circuit capable of realizing wireless screen projection further comprises an infrared wireless remote control module; the infrared wireless remote control module comprises an infrared transmitting unit and an infrared receiving unit; the infrared transmitting unit and the infrared receiving unit are connected through wireless communication, and the infrared receiving unit is electrically connected with the main control module.
Preferably, the intelligent video communication control circuit capable of realizing wireless screen projection further comprises a Bluetooth wireless remote control module; the Bluetooth wireless remote control module comprises a Bluetooth transmitting unit and a Bluetooth receiving unit; the Bluetooth transmitting unit and the Bluetooth receiving unit are connected through wireless communication, and the Bluetooth receiving unit is electrically connected with the main control module.
Preferably, the audio processing module includes a microphone array unit, a first analog-to-digital conversion unit, a driving unit, and a speaker unit; the microphone array unit is electrically connected with the first analog-to-digital conversion unit, the loudspeaker unit is electrically connected with the driving unit, and the first analog-to-digital conversion unit and the driving unit are respectively electrically connected with the main control module.
Preferably, the video communication processing module comprises a camera unit, a second analog-to-digital conversion unit and a first video decoding unit; the camera unit is electrically connected with the second analog-to-digital conversion unit, and the second analog-to-digital conversion unit is electrically connected with the first video decoding unit; the camera unit collects video analog signals, the second analog-to-digital conversion module converts the video analog signals into video digital signals, and the first video decoding unit compresses the video digital signals through an H.264/H.265 protocol and then realizes video call among equipment through an IP network.
Preferably, the video communication processing module further includes a second video encoding and decoding unit; and the second video coding and decoding unit is used for decoding the received image and outputting the decoded image to the display expansion equipment.
Preferably, the expansion interface module includes a first expansion interface unit and a second expansion interface unit; the first expansion interface unit and the second expansion interface unit are respectively electrically connected with the main control module.
Preferably, the first extension interface unit comprises an HDMI interface unit, or a VGA interface unit, or an SDI interface unit, or an AV interface unit, or an S-Video interface unit, or a YCbCr/YPbPr interface unit.
Preferably, the second expansion interface unit includes a USB interface unit; the USB interface unit is electrically connected with an external audio player or a wired keyboard.
In a second aspect, the utility model discloses a throw the screen device, throw the screen device and include the first aspect the realization wireless intelligent video communication control circuit who throws the screen.
The utility model discloses a can realize wireless intelligent video communication control circuit who throws the screen and throw the screen device and have following beneficial effect, the utility model discloses a can realize wireless intelligent video communication control circuit who throws the screen includes: the system comprises a main control module, a WIFI module, a 5G communication module, a wired network port module, an audio processing module, a video communication processing module, an expansion interface module and a display module; the WIFI module, the 5G communication module, the wired network port module, the audio processing module, the video communication processing module, the expansion interface module and the display module are respectively and electrically connected with the main control module; the WIFI module adopts a dual-network card mode, and the WIFI module and the 5G communication module are used for realizing wireless communication connection among network devices, so that a wireless screen projection function is realized, and meanwhile, a video conference is carried out under the condition that no wired network or WIFI exists, and the reliability of communication is ensured; the wired network port module is used for providing a network interface to realize wired communication connection between network devices; the audio processing module is used for realizing the acquisition and processing of audio signals; the video communication processing module is used for displaying and outputting images and realizing a video call function among network equipment through an IP network, and the display module is used for displaying the working state of the equipment; the expansion interface module is used for realizing the display expansion of audio and video. Therefore, the utility model has strong expandability and supports the display expansion of video and audio output; the wireless screen projection and the wireless remote control can be realized, and the operation is convenient and fast; and 5G communication is supported, and video conference is carried out when a wired network and WIFI are disconnected.
Drawings
Fig. 1 is a schematic block diagram of an intelligent video communication control circuit capable of realizing wireless screen projection according to a preferred embodiment of the present invention;
fig. 2 is a schematic block diagram of an intelligent video communication control circuit capable of realizing wireless screen projection according to an embodiment of the present invention;
fig. 3 is a circuit diagram of the intelligent video communication control circuit capable of realizing wireless screen projection according to the preferred embodiment of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and examples. It should be noted that, if there is no conflict, the embodiments and various features in the embodiments of the present invention may be combined with each other, and all are within the scope of the present invention.
Example one
Referring to fig. 1, the utility model discloses an intelligent video communication control circuit capable of realizing wireless screen projection, which comprises a main control module 1, a WIFI module 2, a 5G communication module 3, a wired network interface module 4, an audio processing module 5, a video communication processing module 6, an expansion interface module 7 and a display module 8; the WIFI module 2, the 5G communication module 3, the wired network port module 4, the audio processing module 5, the video communication processing module 6, the expansion interface module 7 and the display module 8 are respectively and electrically connected with the main control module; the WIFI module 2 adopts a dual network card mode, and the WIFI module 2 and the 5G communication module 3 are used for realizing wireless communication connection among network devices, so that a wireless screen projection function is realized, and meanwhile, a video conference is carried out under the condition that no wired network or WIFI exists, and the reliability of communication is ensured; the wired network port module 4 is used for providing a network interface to realize wired communication connection between network devices; the audio processing module 4 is used for realizing the acquisition and processing of audio signals; the video communication processing module 6 is used for displaying and outputting images and realizing a video call function among network equipment through an IP network; the display module 6 is used for displaying the working state of the equipment; the expansion interface module 7 is used for realizing display expansion of audio and video. Therefore, the utility model has strong expandability and supports the display expansion of video and audio output; the wireless screen projection and the wireless remote control can be realized, and the operation is convenient and fast; and 5G communication is supported, and video conference is carried out when a wired network and WIFI are disconnected.
Preferably, in this embodiment, the main control module includes an artificial intelligence processor, and the model of the artificial intelligence processor is RK 3399. In another preferred embodiment, the model of the artificial intelligence processor may be RK3288, and the model of the artificial intelligence processor is not particularly limited herein.
Preferably, the intelligent video communication control circuit capable of realizing wireless screen projection further comprises an infrared wireless remote control module 9; the infrared wireless remote control module 9 comprises an infrared transmitting unit and an infrared receiving unit 91; the infrared transmitting unit and the infrared receiving unit 91 are connected through wireless communication, and the infrared receiving unit is electrically connected with the main control module 1. It can be understood that the infrared transmitting unit is integrated on the mobile intelligent control terminal, the infrared receiving unit 91 is electrically connected with the main control module, and the infrared wireless remote control module is used for remotely controlling the screen projecting device.
Preferably, the intelligent video communication control circuit capable of realizing wireless screen projection further comprises a bluetooth wireless remote control module 9'; the Bluetooth wireless remote control module 9 'comprises a Bluetooth transmitting unit and a Bluetooth receiving unit 9' 1; the Bluetooth transmitting unit and the Bluetooth receiving unit 9' 1 are connected through wireless communication, and the Bluetooth receiving unit is electrically connected with the main control module 1. It can be understood that the bluetooth transmitting unit is integrated on the mobile intelligent control terminal, the bluetooth receiving unit 9' 1 is electrically connected with the main control module 1, and the bluetooth wireless remote control module is used for remotely controlling the screen projection device.
Preferably, the audio processing module 5 includes a microphone array unit 51, a first analog-to-digital conversion unit 52, a driving unit 53 and a speaker unit 54; the microphone array unit 51 is electrically connected to the first analog-to-digital conversion unit 52, the speaker unit 54 is electrically connected to the driving unit 53, and the first analog-to-digital conversion unit 52 and the driving unit 53 are electrically connected to the main control module 1, respectively. The microphone array unit 51 collects an audio analog signal, and the first analog-to-digital conversion unit 52 converts the audio analog signal into an audio digital signal recognizable by the main control module 1. It can be understood that the main control module 1 is internally provided with a digital-to-analog conversion unit. The digital-to-analog conversion unit converts the audio digital signal into an audio analog signal required by the speaker unit 54, and the driving unit 53 is configured to drive the speaker unit 54 to operate. In this embodiment, the microphone array unit 51 is a far-field microphone array, is designed and developed based on a customized audio codec chip, and is encoded by an audio compression algorithm and then transmitted in an IP network. The farthest propagation distance supported by the microphone array unit 51 of this embodiment is 8 meters, and directional and non-directional audio input is supported, and meanwhile, the microphone device can be externally connected to the expansion interface module for speaker.
Preferably, the video communication processing module 6 includes a camera unit 61, a second analog-to-digital conversion unit 62 and a first video decoding unit 63; the camera unit 61 is electrically connected with the second analog-to-digital conversion unit 62, and the second analog-to-digital conversion unit 62 is electrically connected with the first video decoding unit 63; the camera unit 61 collects video analog signals, the second analog-to-digital conversion module 62 converts the video analog signals into video digital signals, and the first video decoding unit 63 compresses the video digital signals through an h.264/h.265 protocol and then realizes video call between devices through an IP network. In this embodiment, the camera unit includes a high-definition camera, and can realize high-definition display, the highest pixel can reach 4K60fps (800 ten thousand pixels), and the enterprise network can reach 720P-1080P 30fps high-definition video communication.
Preferably, the video communication processing module further includes a second video codec unit 64; the second video codec unit 64 is configured to decode the received image and output the decoded image to the display expansion device.
Preferably, the expansion interface module 7 includes a first expansion interface unit 71 and a second expansion interface unit 72; the first expansion interface unit 71 and the second expansion interface unit 72 are electrically connected to the main control module, respectively.
Preferably, the first extension interface unit 71 includes an HDMI interface unit, or a VGA interface unit, or an SDI interface unit, or an AV interface unit, or an S-Video interface unit, or a YCbCr/YPbPr interface unit. It can be understood that, in this embodiment, the display output of the first extended display unit 71 is mainly HDMI, and the VGA interface unit is implemented by external HDMI-to-VGA adapter, or performs signal conversion through an HDMI/VGA/AV distributor.
Preferably, the second expansion interface unit 72 includes a USB interface unit; the USB interface unit is electrically connected with an external audio player or a wired keyboard. In another preferred embodiment, the USB interface unit may further be externally connected with a USB disk and a mouse, and the device externally connected with the USB interface unit is not particularly limited.
Example two
The utility model also discloses a throw the screen device, it includes embodiment one can realize wireless intelligent video communication control circuit who throws the screen. The utility model discloses a use method is: firstly, ViiTALK software is pre-installed on a mobile terminal, and the mobile terminal is in wireless connection with screen projection equipment, so that network video communication between the mobile terminal and the screen projection device is realized. In the process of network Video communication, the screen projecting device is connected with the display equipment through a wire (comprising VGA, SDI, AVS-Video, YCbCr/YPbPr), so that the display equipment is used as an extended display screen of the mobile terminal. Meanwhile, remote control input can be carried out through infrared or Bluetooth, and input can also be carried out through an external keyboard of a USB interface. It can be understood that the mobile terminal includes intelligent terminal devices such as a mobile phone, a computer, a tablet, and the like, and the display device includes display devices such as an all-in-one machine, a television, a business display large screen, a projector, a display, a conference tablet, and the like.
To sum up, the utility model discloses an intelligent video communication control circuit and a screen projection device capable of realizing wireless screen projection, wherein the intelligent video communication control circuit capable of realizing wireless screen projection comprises a main control module 1, a WIFI module 2, a 5G communication module 3, a wired network port module 4, an audio processing module 5, a video communication processing module 6, an expansion interface module 7 and a display module 8; the WIFI module 2, the 5G communication module 3, the wired network port module 4, the audio processing module 5, the video communication processing module 6, the expansion interface module 7 and the display module 8 are respectively and electrically connected with the main control module; the WIFI module 2 adopts a dual network card mode, and the WIFI module 2 and the 5G communication module 3 are used for realizing wireless communication connection among network devices, so that a wireless screen projection function is realized, and meanwhile, a video conference is carried out under the condition that no wired network or WIFI exists, and the reliability of communication is ensured; the wired network port module 4 is used for providing a network interface to realize wired communication connection between network devices; the audio processing module 4 is used for realizing the acquisition and processing of audio signals; the video communication processing module 6 is used for displaying and outputting images and realizing a video call function among network equipment through an IP network; the display module 6 is used for displaying the working state of the equipment; the expansion interface module 7 is used for realizing display expansion of audio and video. Therefore, the utility model has strong expandability and supports the display expansion of video and audio output; the wireless screen projection and the wireless remote control can be realized, and the operation is convenient and fast; and 5G communication is supported, and video conference is carried out when a wired network and WIFI are disconnected.
The intelligent video communication control circuit capable of realizing wireless screen projection and the screen projection device provided by the utility model are introduced in detail, and specific examples are applied to explain the principle and the implementation mode of the utility model, and the description of the above embodiments is only used for helping to understand the method and the core idea of the utility model; meanwhile, to the general technical personnel in this field, according to the utility model discloses an idea, all can have the change part on concrete implementation and application scope, to sum up, this description content only is the utility model discloses an embodiment, does not consequently restrict the utility model discloses a patent scope, all utilize the equivalent structure or the equivalent flow transform that the content of the description and the attached drawing did, or directly or indirectly use in other relevant technical fields, all the same reason is included in the utility model discloses a patent protection scope. And should not be construed as limiting the invention.
Claims (10)
1. The utility model provides a can realize wireless intelligent video communication control circuit who throws screen which characterized in that includes: the system comprises a main control module, a WIFI module, a 5G communication module, a wired network port module, an audio processing module, a video communication processing module, an expansion interface module and a display module; the WIFI module, the 5G communication module, the wired network port module, the audio processing module, the video communication processing module, the expansion interface module and the display module are respectively and electrically connected with the main control module; the WIFI module adopts a dual-network card mode, and the WIFI module and the 5G communication module are used for realizing wireless communication connection among network devices; the wired network port module is used for providing a network interface to realize wired communication connection between network devices; the audio processing module is used for realizing the acquisition and processing of audio signals; the video communication processing module is used for displaying and outputting images and realizing a video call function among network equipment through an IP network; the display module is used for displaying the working state of the equipment; the expansion interface module is used for realizing the display expansion of audio and video.
2. The intelligent video communication control circuit capable of realizing wireless screen projection according to claim 1, further comprising an infrared wireless remote control module; the infrared wireless remote control module comprises an infrared transmitting unit and an infrared receiving unit; the infrared transmitting unit and the infrared receiving unit are connected through wireless communication, and the infrared receiving unit is electrically connected with the main control module.
3. The intelligent video communication control circuit capable of realizing wireless screen projection according to claim 1, further comprising a bluetooth wireless remote control module; the Bluetooth wireless remote control module comprises a Bluetooth transmitting unit and a Bluetooth receiving unit; the Bluetooth transmitting unit and the Bluetooth receiving unit are connected through wireless communication, and the Bluetooth receiving unit is electrically connected with the main control module.
4. The intelligent video communication control circuit capable of realizing wireless screen projection according to claim 2 or 3, wherein the audio processing module comprises a microphone array unit, a first analog-to-digital conversion unit, a driving unit and a loudspeaker unit; the microphone array unit is electrically connected with the first analog-to-digital conversion unit, the loudspeaker unit is electrically connected with the driving unit, and the first analog-to-digital conversion unit and the driving unit are respectively electrically connected with the main control module.
5. The intelligent video communication control circuit capable of realizing wireless screen projection according to claim 4, wherein the video communication processing module comprises a camera unit, a second analog-to-digital conversion unit and a first video decoding unit; the camera unit is electrically connected with the second analog-to-digital conversion unit, and the second analog-to-digital conversion unit is electrically connected with the first video decoding unit; the camera unit collects video analog signals, the second analog-to-digital conversion module converts the video analog signals into video digital signals, and the first video decoding unit compresses the video digital signals through an H.264/H.265 protocol and then realizes video call among equipment through an IP network.
6. The intelligent video communication control circuit capable of realizing wireless screen projection according to claim 5, wherein the video communication processing module further comprises a second video encoding and decoding unit; and the second video coding and decoding unit is used for decoding the received image and outputting the decoded image to the display expansion equipment.
7. The intelligent video communication control circuit capable of realizing wireless screen projection according to claim 6, wherein the expansion interface module comprises a first expansion interface unit and a second expansion interface unit; the first expansion interface unit and the second expansion interface unit are respectively electrically connected with the main control module.
8. The intelligent Video communication control circuit capable of realizing wireless screen projection according to claim 7, wherein the first expansion interface unit comprises an HDMI interface unit, or a VGA interface unit, or an SDI interface unit, or an AV interface unit, or an S-Video interface unit, or a YCbCr/YPbPr interface unit.
9. The intelligent video communication control circuit capable of realizing wireless screen projection according to claim 8, wherein the second expansion interface unit comprises a USB interface unit; the USB interface unit is electrically connected with an external audio player or a wired keyboard.
10. A screen projection device, comprising the intelligent video communication control circuit capable of realizing wireless screen projection according to any one of claims 1 to 9.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112243219A (en) * | 2020-10-15 | 2021-01-19 | 北京字节跳动网络技术有限公司 | Display device, terminal control method and device, terminal and storage medium |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112243219A (en) * | 2020-10-15 | 2021-01-19 | 北京字节跳动网络技术有限公司 | Display device, terminal control method and device, terminal and storage medium |
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