CN210274277U

CN210274277U - LED display video processor with pre-splicing function

Info

Publication number: CN210274277U
Application number: CN201921340954.1U
Authority: CN
Inventors: 刘玉波; 沈洪; 郭志煜; 杨青霖
Original assignee: SHENZHEN MAGNIMAGE TECHNOLOGY CO LTD
Current assignee: SHENZHEN MAGNIMAGE TECHNOLOGY CO LTD
Priority date: 2019-08-19
Filing date: 2019-08-19
Publication date: 2020-04-07
Anticipated expiration: 2029-08-19

Abstract

The utility model discloses a LED shows video processor with concatenation function in advance, including the LED display screen, the signal input part of LED display screen 1 is connected with random digital analog converter through the cable, random digital analog converter's signal input part is connected with the signal output part that shows the deposit, the signal input part that shows the deposit is connected with video processor's signal output part, and this process is accomplished by electrical components cooperation entirely, and no manual work participates in, uses through the cooperation of above device, can simplify the operational mode of many inputs concatenation in the LED display screen concatenation shows, under the condition that operating personnel do not possess professional knowledge such as mathematical computation, geometric transformation, also can easily realize the concatenation of LED display screen many inputs and many outputs and show.

Description

LED display video processor with pre-splicing function

Technical Field

The utility model relates to an image processing equipment field among the full-color large screen display system of LED specifically is LED display video processor who has concatenation function in advance.

Background

With the development of processing technology, the dot pitch of the LED display screen is smaller and smaller, the dot matrix is denser and higher, the resolution ratio under the same area is higher and higher, the number of dots of a single LED display screen reaches 7680 multiplied by 2160 dots or more, and a plurality of LED display screens are often required to be spliced to realize larger-scale image display; therefore, in the fields of LED tiled display and the like, the resolution of the front-end input signal is also required to be improved.

To improve the resolution of the input signal, the following two implementation methods are discussed:

1. using a 4K (3840x 216060 Hz etc) video signal:

the image resolution of the 4K video signals that have appeared in recent years is greatly improved compared to the previous FHD. However, the development of the video interface circuit has not kept pace with the increase in video signal transmission, which causes a problem: when a 4K 60Hz signal comes from a video transmission line, no method is available for completely processing the signal at one time; this requires the 4K 60Hz signal to be split into a left half and a right half to be processed as two input video signals.

2. Spliced output realized by using multi-output-port display card on PC

The multi-port video card is popular at present, and has 2 ports for a single card and 4 ports for a single card (each port outputs FHD, even 4K 60 Hz).

In both of the above two ways, a problem arises, namely: originally, one image frame (a continuous complete image frame is generated after the multiple display cards are spliced), needs to be decomposed into a plurality of channels for processing. When a person performs operations such as picture configuration on the video processing equipment, the size, the position, the scaling, the interception parameter and the like of each video part need to be calculated, so that the operation flexibility is greatly limited, and the operation of field maintenance personnel is not facilitated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a LED shows video processor with concatenation function in advance to solve the current video concatenation mode that provides among the above-mentioned background art and to the technique and to the quality requirement of staff higher, restricted the flexibility in the operation, be unfavorable for the problem of field maintenance personnel operation.

In order to achieve the above object, the utility model provides a following technical scheme: LED shows video processor with concatenation function in advance, including the LED display screen, the signal input part of LED display screen is connected with random digital-to-analog converter through the cable, random digital-to-analog converter's signal input part is connected with the signal output part that the video was deposited, the signal input part that the video was deposited is connected with video processor's signal output part.

Preferably, the LED display screen is formed by splicing and building a plurality of LED screens through the display unit.

Preferably, the signal input end of the video memory and the signal output end of the video processor are welded by adopting a brazing process.

Preferably, the signal input end of the video processor is connected with a video signal source through a cable.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses, through the image picture with a plurality of input channel, generate an image picture of concatenation in advance, and all subsequent configuration operations are all to this image picture that has been spliced in advance, very big simplification personnel's the operation degree of difficulty for 4K image, perhaps the removal of many mouthfuls of display card concatenation image when the output, the size transform to and operations such as switching become smooth and easy.

2. Due to the fact that the input signal frame rates are consistent (for the two cases, the frame rates are consistent, the effect that a plurality of input video images are spliced into one image in advance and then are used as one image by the video processor for subsequent processing can be achieved.

3. Compared with the traditional splicing setting mode, when the number of input images is N, the operation times of personnel are reduced to 1/N; the reduction ratio of the setting difficulty (calculation amount) is larger because it is no longer necessary to calculate the scale and other parameters of each input image.

Drawings

Fig. 1 is a schematic diagram of multi-signal processing according to an embodiment of the present invention;

FIG. 2 is a memory structure diagram of image 1 according to the present invention;

fig. 3 is a memory structure diagram of an image 2 according to the embodiment of the present invention;

fig. 4 is a diagram of a pre-assembled memory structure according to an embodiment of the present invention;

fig. 5 is a schematic view of an image 1 according to an embodiment of the present invention;

fig. 6 is a schematic view of an embodiment of the present invention, image 2;

fig. 7 is the embodiment of the utility model provides a concatenation effect schematic diagram in advance.

In the figure: 1. an LED display screen; 2. a random digital-to-analog converter; 3. displaying and storing; 4. a video processor.

Detailed Description

In order to simplify the multi-input splicing operation mode in the large-screen splicing display of the LED, and under the condition that an operator does not have professional knowledge such as mathematical calculation, geometric transformation and the like, the multi-input and multi-output splicing display of the LED screen can be easily realized, the LED display video processor with the pre-splicing function is particularly provided. The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. 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.

Referring to fig. 1 to 7, the present embodiment provides an LED display video processor with a pre-splicing function, including an LED display screen 1, a signal input end of the LED display screen 1 is connected to a random digital-to-analog converter 2 through a cable, a signal input end of the random digital-to-analog converter 2 is connected to a signal output end of a video memory 3, and a signal input end of the video memory 3 is connected to a signal output end of a video processor 4.

Wherein, LED display screen 1 is built for a plurality of LED screens through the concatenation of display element and forms, can freely build LED display screen 1 of unidimensional as required, and is very convenient.

The signal input end of the video memory 3 and the signal output end of the video processor 4 are welded by adopting a brazing process, the display capacity of the video memory 3 can be selected according to the size of the LED display screen 1 and the resolution and the number of video signal sources, the video memory 3 can be formed by splicing and building a plurality of display memories, and the display memories can be added or reduced at any time as required.

The signal input terminal of the video processor 4 is connected to a video signal source through a cable.

In this embodiment, the model of the video processor 4 is LED-W4000, and the model of the random digital-to-analog converter 2 is AD9117 BCPZ.

The video signal source is transmitted to the signal input end of the video processor 4 through a cable, a plurality of video signals are spliced together in advance through the processing of the video processor 4 to each frame of image information, and then are written into the video memory 3 through the output end of the video processor 4 for temporary storage and waiting for processing, taking two video signals as an example: the two video signals are image 1 and image 2 respectively, and the video processor 4 combines each frame of image 1 and image 2 together and writes them into the video memory 3 at the same time, i.e. the image 1 and image 2 are spliced into one image in the video memory 3.

After the video signal is spliced and written into the display memory 3, the video signal is transmitted to the input end of the random digital-to-analog converter 2 through the output end of the display memory 3, the digital signal of the video screen is converted into an analog signal and then displayed by the LED display screen 1, the process is completed by the cooperation of electrical elements, no manual participation exists, the operation mode of multi-input splicing in the splicing display of the LED display screen 1 can be simplified through the cooperation of the devices, and under the condition that an operator does not have professional knowledge such as mathematical computation and geometric transformation, the splicing display of multi-input and multi-output of the LED display screen 1 can be easily realized.

In the description of the present application, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

In the description of the present application, it should be further noted that, unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may include, for example, a fixed connection, a detachable connection, an integral connection, a mechanical connection, an electrical connection, a direct connection, a connection through an intermediate medium, and a connection between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art according to specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. LED shows video processor with concatenation function in advance, including LED display screen (1), its characterized in that: the signal input end of the LED display screen (1) is connected with a random digital-to-analog converter (2) through a cable, the signal input end of the random digital-to-analog converter (2) is connected with the signal output end of the video memory (3), and the signal input end of the video memory (3) is connected with the signal output end of the video processor (4).

2. The LED display video processor with pre-stitching functionality as recited in claim 1, wherein: the LED display screen (1) is formed by splicing and building a plurality of LED screens through display units.

3. The LED display video processor with pre-stitching functionality as recited in claim 1, wherein: and the signal input end of the video memory (3) and the signal output end of the video processor (4) are welded by adopting a brazing process.

4. The LED display video processor with pre-stitching functionality as recited in claim 1, wherein: and the signal input end of the video processor (4) is connected with a video signal source through a cable.