CN218850829U

CN218850829U - Modular audio and video matrix

Info

Publication number: CN218850829U
Application number: CN202223442301.9U
Authority: CN
Inventors: 毛光辉; 上官鑫; 袁依芬; 王伟平
Original assignee: Zhejinag Pearmain Electronics Co ltd
Current assignee: Zhejinag Pearmain Electronics Co ltd
Priority date: 2022-12-22
Filing date: 2022-12-22
Publication date: 2023-04-11
Anticipated expiration: 2032-12-22

Abstract

The utility model relates to a video monitoring field discloses a modularization audio frequency and video matrix, including matrix main part (100), matrix main part (100) are rectangle frame construction and are equipped with backplate (9) on width direction's the rear end face, are equipped with a plurality of decoding business veneer (6) that are parallel to each other and set up along the even interval of length direction in matrix main part (100), and the rear end of decoding business veneer (6) passes through electric connector (8) and connects perpendicularly on backplate (9). The utility model discloses a pile up of polylith business veneer of decoding (6) and form modularization high definition network digital matrix, the module extension is nimble, effectively deals with the scale demand of different projects to can effectively solve because of the master control shut down, or the out of work scheduling problem of complete machine appears when master control network trouble.

Description

Modular audio and video matrix

Technical Field

The utility model relates to a video monitoring field has especially related to an audio and video matrix.

Background

The audio and video matrix is an important central control device in a video monitoring system and is mainly applied to places such as a video monitoring center, a command center, a conference center and the like. In the implementation of a project, different output port numbers can be configured according to the requirements of the project, so that the product adopting a fixed path number often has redundancy or deficiency of the ports, a plurality of product types need to be developed in order to meet the market requirements, and the requirements of the project on the output path number cannot be flexibly configured.

In the prior art, a modularized high-definition network audio and video digital matrix is also available, which can meet the flexible port configuration requirements, but the modularized high-definition network audio and video digital matrix in the market adopts a structure of a master control plus a service single board, relies on a master control board as a core, has strong dependence on the master control board, and has the problems of master control downtime, complete machine non-operation when a master control network fails, and the like in the use process of a user.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the problem that modular high definition network digital matrix exists among the prior art, a modularization audio frequency and video matrix is provided.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

the utility model provides a modularization audio frequency and video matrix, includes the matrix main part, and the matrix main part is the rectangle frame construction and is equipped with the backplate on width direction's the rear end face, is equipped with a plurality of decoding service veneers that are parallel to each other and set up along length direction even interval in the matrix main part, and the rear end of decoding service veneer passes through electric connector vertical connection on the backplate.

Preferably, the matrix body is provided with guide rails at intervals along the length direction on the upper and lower end faces, a single board slot is formed between adjacent guide rails, the single board slot is arranged corresponding to the electric connector on the backplane, and the upper and lower ends of the decoding service single board are respectively clamped in the single board slots on the upper and lower end faces. The arrangement of the single board clamping groove can realize the positioning and accurate installation of each decoding service single board on the backboard.

Preferably, an end of the board card slot facing the front end face of the matrix body is configured as an open end for pushing or pulling the decoding service board in the width direction of the matrix body. The single board clamping groove is designed into a section of open form, so that the decoding service single board can be quickly assembled and disassembled.

Preferably, a panel is arranged on the front end face of the matrix main body, the panel is composed of a plurality of assembly plates in one-to-one correspondence with the decoding service single plates, the assembly plates are provided with a video output port, an audio output port and a cable anti-tripping device for fixing the audio and video cables, the cable anti-tripping device can fix the audio and video cables on each decoding service single plate, and the cables are effectively prevented from escaping and loosening

Preferably, the assembly plate is fixed on the front end face of the matrix main body through a screw, so that the assembly plate can be quickly disassembled and assembled, and then the decoding service single plate can be quickly disassembled and assembled.

Preferably, a plurality of fan openings are formed in the upper end face of the matrix main body, and fans are mounted on the outer surface of the upper end of the matrix main body and located at the fan openings. The setting of fan can realize the heat dissipation to the matrix main part, guarantees the continuous stable work of rectangle main part.

Preferably, two power supply modules which can supply power jointly and independently are arranged on the lower end face of the matrix main body. The dual power supply module can still continue to work when one power supply fails.

Preferably, the decoding service single board is provided with a radiator, and the backboard is provided with a data exchange circuit for communicating and data interaction with the decoding service single board, a power management circuit connected with the power module, and a temperature control circuit electrically connected with the fan. The data exchange circuit realizes data interaction among the service single boards; the power management function is used for dual power management, and is used for detecting faults of a power supply and prompting alarm information. And the temperature control circuit is used for realizing the working temperature control of the modular high-definition network digital matrix.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect:

the utility model discloses a piling up of polylith business veneer of decoding forms modularization high definition network digital matrix, and the module extension is nimble, effectively deals with the scale demand of different projects to can effectively solve the out-of-work scheduling problem of complete machine appearance when being shut down because of the master control, or master control network trouble.

Drawings

Fig. 1 is a schematic structural diagram of embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of the decoding service board in fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

A modularized audio and video matrix is shown in fig. 1 and fig. 2 and comprises a matrix main body 100, wherein the matrix main body 100 is of a rectangular frame structure, a back plate 9 is arranged on the back end face in the width direction, a plurality of decoding service single plates 6 which are parallel to each other and are uniformly arranged at intervals in the length direction are arranged in the matrix main body 100, and the back end parts of the decoding service single plates 6 are vertically connected onto the back plate 9 through electric connectors 8.

In this embodiment, the decoding service boards 6 are interconnected through the backplane 9, and the backplane 9 is provided with the data exchange circuit 10 for communicating and data exchanging with the decoding service boards 6, so as to realize the mutual communication and data exchanging between the decoding service boards 6, wherein a plurality of decoding service boards 6 are stacked to form a modular high-definition network digital matrix, and the modular expansion is flexible, and can effectively meet the scale requirements of different projects; all decoding service single boards 6 are provided with an audio and video decoding processing unit, an external interface, an audio and video interface and an internal interface, the back board is provided with an exchange unit and a plurality of exchange interfaces, the decoding service single boards and the back board realize data interaction through the internal interface and the corresponding exchange interfaces, any decoding service single board can receive audio and video streams through the external interface and transmit the received audio and video streams to the audio and video decoding processing unit of any other decoding service single board through the exchange unit, the audio and video decoding processing unit of any decoding service single board can decode the audio and video streams and output the decoded audio and video streams through the audio and video interface after receiving the audio and video streams transmitted from the exchange unit, and the audio and video decoding processing unit comprises a Haisi HI3536RBCV100 chip and a peripheral circuit.

All the decoding service single boards 6 have the audio and video decoding function and the audio and video output function for realizing a high-definition network digital matrix, and can be used for realizing the decoding of media stream data and the output of audio signals and video signals, so that each decoding service single board 6 can be used as a main control board card.

In this embodiment, the matrix main body 100 is provided with guide rails 14 at intervals along the length direction on the upper and lower end surfaces, a single board slot 15 is formed between adjacent guide rails 14, the single board slot 15 is disposed corresponding to the electrical connector 8 on the backplane 9, and the upper and lower ends of the decoding service single board 6 are respectively clamped in the single board slots 15 on the upper and lower end surfaces.

The end of the board slot 15 facing the front end face of the matrix body 100 is configured as an open end 16 for pushing or pulling the decoding service board 6 in the width direction of the matrix body 100.

The arrangement of the board slot 15 in the matrix main body 100 can realize the rapid assembly and rapid disassembly of each decoding service board 6, and provide a guiding function for the decoding service board 6 when the decoding service board 6 is connected with the electrical connector 8, so that the decoding service board 6 can be rapidly connected with the matrix main body 100 and accurately connected with the backplane 9.

In this embodiment, a front end surface of the matrix main body 100 is provided with a panel 1, the panel 1 is composed of a plurality of component boards 17 corresponding to the decoding service single boards 6 one by one, and the component boards 17 are fixed on the front end surface of the matrix main body 100 through screws 2.

The assembly board 17 is provided with a video output port 3, an audio output port 4 and a cable anti-tripping device 5 for fixing an audio/video cable. The setting of cable anti-tripping 5 can be fixed the audio frequency and video cable on every decoding service veneer 6, effectively prevents the escape and the pine of cable and takes off, reduces the fault point of modularization high definition network digital matrix, strengthens the stability of equipment, and every panel 1 matches a decoding service veneer 6, can realize selecting the convenient dismantlement of decoding service veneer 6 when different quantity decoding service veneer 6 according to the demand, avoids the cable winding each other. Meanwhile, the assembly board 17 is connected to the matrix main body 100 through the screw 2, so that the disassembly and assembly of the decoding service single board 6 are simpler and more convenient.

In this embodiment, the upper end surface of the matrix main body 100 is provided with a plurality of fan ports 18, and the fans 12 are mounted on the outer surface of the upper end of the matrix main body 100 and located at the fan ports 18. The decoding service single board 6 is provided with a radiator 7, and the backboard 9 is provided with a data exchange circuit 10 for communicating and data interaction with the decoding service single board 6, a power management circuit 19 connected with the power module 13, and a temperature control circuit 11 electrically connected with the fan 12.

The fan 12, the heat sink 7, the temperature control circuit 11, and the like can control the operating temperature of the matrix main body 100 together to ensure stable and continuous operation of the device.

In addition, two power modules 13 capable of supplying power collectively and individually are provided on the lower end surface of the matrix main body 100. The two power supply modules 13 can realize a balanced hot standby function, the two power supplies share the equipment power supply requirement in normal work, when one end detects that one power supply fails, the other power supply independently shares the equipment power supply requirement, and load conversion between the two power supplies has uninterrupted switching.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in the claims of the present invention should be included in the scope of the present invention.

Claims

1. A modular audio-visual matrix comprising a matrix body (100) characterized in that: the matrix main body (100) is of a rectangular frame structure, a back plate (9) is arranged on the rear end face in the width direction, a plurality of decoding service single plates (6) which are parallel to each other and are uniformly arranged at intervals in the length direction are arranged in the matrix main body (100), and the rear end portions of the decoding service single plates (6) are perpendicularly connected to the back plate (9) through electric connectors (8).

2. A modular audio-visual matrix according to claim 1, characterized in that: guide rails (14) arranged at intervals along the length direction are arranged in the matrix main body (100) and on the upper end face and the lower end face of the matrix main body, a single board clamping groove (15) is formed between every two adjacent guide rails (14), the single board clamping groove (15) is arranged corresponding to an electric connector (8) on the back plate (9), and the upper end and the lower end of the decoding service single board (6) are respectively clamped in the single board clamping grooves (15) on the upper end face and the lower end face.

3. A modular audio-visual matrix according to claim 2, characterized in that: the end of the veneer card slot (15) facing the front end face of the matrix main body (100) is configured as an opening end (16) for pushing or pulling the decoding service veneer (6) along the width direction of the matrix main body (100).

4. A modular audio-visual matrix according to claim 2, characterized in that: the front end face of the matrix main body (100) is provided with a panel (1), the panel (1) is composed of a plurality of component boards (17) which are in one-to-one correspondence with the decoding service single boards (6), and the component boards (17) are provided with a video output port (3), an audio output port (4) and a cable anti-tripping device (5) for fixing an audio/video cable.

5. A modular audio-visual matrix according to claim 4, characterized in that: the module board (17) is fixed to the front end surface of the matrix body (100) by screws (2).

6. A modular audio-visual matrix according to claim 1, characterised in that: a plurality of fan mouths (18) are arranged on the upper end face of the matrix main body (100), and fans (12) are arranged on the outer surface of the upper end of the matrix main body (100) and located at the fan mouths (18).

7. A modular audio-visual matrix according to claim 6, characterised in that: two power supply modules (13) which can supply power jointly and independently are arranged on the lower end face of the matrix main body (100).

8. A modular audio-visual matrix according to claim 7, characterised in that: the decoding service single board (6) is provided with a radiator (7), the backboard (9) is provided with a data exchange circuit (10) which is communicated with the decoding service single board (6) and performs data interaction, a power management circuit (19) which is connected with the power module (13), and a temperature control circuit (11) which is electrically connected with the fan (12).