CN213043771U

CN213043771U - Central control matrix all-in-one machine

Info

Publication number: CN213043771U
Application number: CN202022302727.9U
Authority: CN
Inventors: 侯东
Original assignee: Beijing Dongke Jiahua Technology Co ltd
Current assignee: Beijing Dongke Jiahua Technology Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-04-23
Anticipated expiration: 2030-10-15

Abstract

The embodiment of the utility model discloses well accuse matrix all-in-one, including control chip, control chip connects video matrix and well accuse circuit respectively, and well accuse circuit is including connecting respectively control chip's power supply circuit, video input signal conversion circuit, video signal output circuit, audio circuit and serial ports are equipped with video signal selection circuit between control chip and the video input signal switching circuit, through integrated form design, utilize same control chip to come the unified drive with two parts of functions, do not simply carry out the hardware and pile up, have greatly improved the stability of product, save money cost and space cost for the customer.

Description

Central control matrix all-in-one machine

Technical Field

The embodiment of the utility model provides a relate to multimedia conference equipment technical field, concretely relates to well accuse matrix all-in-one.

Background

At present, various electronic devices such as a matrix switcher, a digital audio processor, a power amplifier, an audio and video digital signal transmitter, a central control host, network equipment and the like are required to be installed in a multimedia classroom for assisting teaching. When one device is in a problem, the whole multimedia classroom cannot be used. The complexity of maintaining the daily teaching equipment is increased seriously. Meanwhile, the development of daily teaching work of schools is not facilitated.

We have developed a "media presentation center" that helps schools to address the existing situation in multimedia classrooms. The matrix switcher, the digital audio processor, the power amplifier, the central control host, the network switch and other devices are integrated together, and the functions of the devices are respectively made into pluggable board cards. What kind of function just needs to add the integrated circuit board of what kind of function. Greatly facilitating the upgrading and reconstruction of equipment in the classroom. Only the corresponding board card needs to be maintained or replaced when the board card goes wrong, and the maintenance difficulty and the maintenance period of the daily teaching equipment are greatly simplified.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides a well accuse matrix all-in-one to solve among the prior art because numerous to the media equipment kind, the operation is complicated and the use that leads to is loaded down with trivial details and the problem of maintaining the difficulty.

In order to achieve the above object, the embodiments of the present invention provide the following technical solutions:

the utility model discloses an in the first aspect of embodiment, a well accuse matrix all-in-one is provided, including control chip, control chip connects video matrix, well accuse circuit and serial ports respectively, well accuse circuit is including connecting respectively control chip's power supply circuit, video input signal conversion circuit, video signal output circuit and audio circuit, be equipped with video signal selection circuit between control chip and the video input signal switching circuit.

Further, the channels of the video matrix are 8-way, wherein the video input channel is 5-way and the video output channel is 3-way.

Further, the video input channel comprises 1 path of VGA input, 3 paths of HDMI input and 1 path of DP input respectively; the video output channels respectively comprise 2 paths of HDMI outputs and 1 path of HDBase T outputs.

Furthermore, the central control circuit also comprises a video processing module circuit connected with the video input signal conversion circuit.

Furthermore, the control chip is also connected with a debugging button circuit and used for adjusting input and output channels of video signals.

Furthermore, the control chip is also connected with a storage circuit for storing the input video signal.

Further, the serial port comprises a network interface, a debugging interface, an upgrading interface, a USB interface and an extension interface.

According to the utility model discloses an embodiment, well accuse matrix all-in-one of this scheme has following advantage: the video signal selection circuit is arranged between the control chip and the video input signal switching circuit, through integrated design, the same control chip is used for driving two parts of functions in a unified mode, hardware stacking is not simply carried out, selective control over video signal purposiveness is achieved, product stability is greatly improved, and money cost and space cost are saved for customers.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a control block diagram of a central control matrix all-in-one machine provided by an embodiment of the present invention;

fig. 2 is a schematic circuit diagram of a power circuit in a central control matrix all-in-one machine according to an embodiment of the present invention;

fig. 3 is a schematic circuit diagram of a video input signal conversion circuit in a central control matrix all-in-one machine according to an embodiment of the present invention;

fig. 4 is a schematic circuit diagram of a video signal output circuit in a central control matrix all-in-one machine according to an embodiment of the present invention;

fig. 5 is a schematic circuit diagram of a video signal selection circuit in a central control matrix all-in-one machine according to an embodiment of the present invention.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the present specification, the terms "upper", "lower", "left", "right", "middle", and the like are used for the sake of clarity only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are also considered to be the scope of the present invention without substantial changes in the technical content.

As shown in fig. 1-5, it shows the utility model provides a well accuse matrix all-in-one, including control chip, control chip connects video matrix, well accuse circuit and serial ports respectively, and well accuse circuit is equipped with video signal selection circuit including the power supply circuit, video input signal conversion circuit, video signal output circuit and the audio circuit of connection control chip respectively between control chip and the video input signal switching circuit.

The control chip adopts a Lattice SIi9575 chip, the chip is provided with an HDCP key, supports 6-path HDMI input and supports a video signal clock of up to 300 MHZ; 2-path HDMI output is supported, and a video signal clock up to 300MHZ is supported; the running speed of a TMDS kernel is up to 3.0 Gb/s; compatible with HDMI, MHL, HDCP and DVI; supporting video resolutions of up to 8 bits 4 Kx 2K @30Hz, 1080p @60Hz, 12 bits 720p/1080 i; the video resolution of 4 Kx 2K 50P/60P FPS with the pixel format of YCbCr 4:2:0 is supported; all mandatory and partially optional 3D formats with clock frequencies up to 300MHz are supported.

The integrated control system has the advantages that through integrated design, two parts of functions are driven in a unified mode through the same control chip, hardware stacking is not simply carried out, the aim selection control of video signals is achieved, the stability of products is greatly improved, and money cost and space cost are saved for customers.

In a specific implementation structure, the channels of the video matrix are 8 channels, wherein the video input channel is 5 channels, and the video output channel is 3 channels.

The video input channel comprises 1 path of VGA input, 3 paths of HDMI input and 1 path of DP input respectively; the video output channels respectively comprise 2 paths of HDMI outputs and 1 path of HDBase T outputs.

In the embodiment based on the above scheme, the central control circuit further includes a video processing module circuit connected to the video input signal conversion circuit.

The control chip is also connected with a debugging button circuit and is used for adjusting the input and output channels of the video signal.

The control chip is also connected with a storage circuit and stores the input video signal.

The serial port comprises a network interface, a debugging interface, an upgrading interface, a USB interface and an expansion interface.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. The central control matrix all-in-one machine is characterized by comprising a control chip, wherein the control chip is respectively connected with a video matrix, a central control circuit and a serial port, the central control circuit comprises a power circuit, a video input signal conversion circuit, a video signal output circuit and an audio circuit, which are respectively connected with the control chip, and a video signal selection circuit is arranged between the control chip and the video input signal conversion circuit.

2. The central control matrix all-in-one machine as claimed in claim 1, wherein the video matrix channel is 8 channels, wherein the video input channel is 5 channels, and the video output channel is 3 channels.

3. The central control matrix all-in-one machine of claim 2, wherein the video input channels respectively comprise 1 path of VGA input, 3 paths of HDMI input and 1 path of DP input; the video output channels respectively comprise 2 paths of HDMI outputs and 1 path of HDBase T outputs.

4. The central control matrix all-in-one machine of claim 1, wherein the central control circuit further comprises a video processing module circuit connected with the video input signal conversion circuit.

5. The central control matrix all-in-one machine of claim 4, wherein the control chip is further connected with a debugging button circuit for adjusting input and output channels of video signals.

6. The central control matrix all-in-one machine as claimed in claim 5, wherein the control chip is further connected with a storage circuit for storing the input video signal.

7. The central control matrix all-in-one machine of claim 1, wherein the serial port comprises a network interface, a debugging interface, an upgrading interface, a USB interface and an expansion interface.