CN212660227U - Multi-screen processing equipment - Google Patents
Multi-screen processing equipment Download PDFInfo
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- CN212660227U CN212660227U CN202021513131.7U CN202021513131U CN212660227U CN 212660227 U CN212660227 U CN 212660227U CN 202021513131 U CN202021513131 U CN 202021513131U CN 212660227 U CN212660227 U CN 212660227U
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Abstract
The utility model discloses a multi-screen processing device, which comprises a graphic workstation, a plurality of multi-screen expanders and a network transmission module; the image workstation is connected with each multi-screen expansion instrument of the multi-screen expansion instruments on the basis of a data line, the image workstation is connected with the network transmission module on the basis of the data line, a DVI interface is arranged on each multi-screen expansion instrument of the multi-screen expansion instruments, and the DVI interface is connected to the corresponding display screen on the basis of the data line. The embodiment of the utility model provides an in, utilize the one way data cutting processing function that many screen extension appearance possessed, reach the purpose of single display screen exportable multichannel data source, greatly reduce the use quantity of display screen, save the cost.
Description
Technical Field
The utility model relates to an extension technical field is shielded more, especially relates to a treatment facility is shielded more.
Background
With the development of computer graphics, video splicing technology has developed into a key technology in computer vision, video monitoring and virtual reality, and is widely applied to the fields of aerial photography, medical image analysis, real-time road monitoring, advertisement playing and the like. The video splicing processor proposed in the market at present can simultaneously splice and display multiple video sources on the spliced screen by using the video splicing technology so as to form an oversized screen for use through the spliced screen, and the requirements of scenes such as video conferences and advertisement putting can be met. However, the video splicing processor completes splicing display of multiple video sources on the basis that one output interface only transmits one signal source through corresponding connection relations between multiple output interfaces and multiple display screens, so that the number expansion cost of the display screens is high.
Disclosure of Invention
An object of the utility model is to overcome prior art not enough, the utility model provides a many screen processing equipment utilizes the one-way data cutting function that many screen extension appearance possessed, reaches the purpose of single display screen exportable multichannel data source, greatly reduces the use quantity of display screen, saves the cost.
Correspondingly, the utility model provides a multi-screen processing device, which comprises a graphic workstation, a plurality of multi-screen expanders and a network transmission module; wherein the content of the first and second substances,
the graphic workstation based on the data line with each of a plurality of expanders is shielded many more to each, the graphic workstation based on the data line with network transmission module is connected, be provided with the DVI interface on each of a plurality of expanders is shielded many more, the DVI interface is connected to the display screen that corresponds based on the data line.
Optionally, the graphic workstation includes a main control module and an interface processing module;
the interface processing module is connected with each multi-screen expander in the multi-screen expanders on the basis of data lines, the interface processing module is connected with the main control module on the basis of data lines, and the main control module is connected with the network transmission module on the basis of data lines.
Optionally, the master control module includes a master controller, a DVI audio/video decoding unit and a DVI signal acquisition unit;
the DVI audio and video decoding unit is connected with the DVI signal acquisition unit based on the data line, and the DVI signal acquisition unit is connected with the network transmission module based on the data line.
Optionally, the DVI audio/video decoding unit adopts a decoder of which the model is JS 2020.
Optionally, the DVI signal acquisition unit adopts a DVI acquisition card with a model number of T230E.
Optionally, the interface processing module includes a plurality of multi-screen display cards, and each of the plurality of multi-screen display cards is connected to a corresponding multi-screen expander of the plurality of multi-screen expanders based on a data line.
Optionally, each of the multiple-screen expanders includes a signal division module, the signal division module is connected with a corresponding multiple-screen display card of the multiple-screen display cards based on a data line, and the signal division module is connected with the corresponding display screen through the DVI interface.
Optionally, the signal splitting module includes a DVI signal picture splitter of a CK8DVI model.
Optionally, the network transmission module includes a DVI audio and video encoder and a network transmission unit, the DVI audio and video encoder is connected with the external source device based on the data line, the DVI audio and video encoder is connected with the network transmission unit based on the data line, and the network transmission unit is connected with the DVI signal acquisition unit based on the data line.
Optionally, the network transmission unit adopts a network transmission chip with a model number of LAN 8720A.
The embodiment of the utility model provides a many screen processing equipment uses the graphic workstation as the core device of signal processing and signal distribution to accomplish the image segmentation work with the help of many screen expansion appearance, make this equipment realize many screen concatenation reliably and stably; compared with the existing video splicing processor, the multi-screen video splicing processor has the advantages that only one-way data sources are displayed on a single display screen, the purpose that the multi-way data sources can be output by the single display screen is achieved by utilizing the one-way data cutting function of the multi-screen expander, the using number of the display screens can be greatly reduced, and therefore the cost is saved; the network transmission module set up on one side of the graphic workstation can finish uploading of relevant information such as pictures, videos and documents transmitted by external source equipment with different interfaces, the application range is wide, and the construction cost, the expansion cost and the maintenance cost of the equipment are relatively low.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural component diagram of a multi-screen processing device disclosed in an embodiment of the present invention;
fig. 2 is a schematic diagram illustrating a specific structure of a multi-screen processing device according to an embodiment of the present invention.
Detailed Description
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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Fig. 1 is a schematic structural component diagram of a multi-screen processing device in an embodiment of the present invention, where the multi-screen processing device includes a graphics workstation, a plurality of multi-screen expanders, and a network transmission module; basically, the graphic workstation is connected with each of the multiple multi-screen expanders based on data lines, the graphic workstation is connected with the network transmission module based on data lines, a DVI interface is arranged on each of the multiple multi-screen expanders, and the DVI interface is connected to the corresponding display screen based on data lines.
Fig. 2 shows a schematic diagram of a specific structure of a multi-screen processing device in an embodiment of the present invention, and the modules shown in fig. 1 are expanded and explained as follows:
further, the network transmission module comprises a DVI audio and video encoder and a network transmission unit, the DVI audio and video encoder is connected with external source equipment based on a data line, the DVI audio and video encoder is connected with the network transmission unit based on the data line, and the network transmission unit is connected with the DVI signal acquisition unit based on the data line. The DVI audio and video encoder can select a signal dimension high-definition encoder series, adopts a small-size low-power-consumption design, supports a network coding function and an audio synchronous coding function of DVI/VGA/HDMI/3G-SDI high-definition signals, has the advantages of high image quality and low code rate, can perform DVI signal encoding on audio and video signals and the like transmitted by external source equipment with different interfaces, and ensures the front-end processing capability of the multi-screen processing equipment to a great extent.
In addition, the network transmission unit adopts a network transmission chip with the model number of LAN8720A, has an ultra-low power consumption design, is provided with a high-performance 10/100Mbp Ethernet transceiver, and can meet the effective real-time performance of data uploading. The embodiment of the utility model provides an in, based on DVI audio video encoder can provide the input interface and the external source equipment of multiple different signals and establish the relation of connection, wherein the external source equipment includes encoding box, NVR (network video recorder promptly), network monitor platform, Web server and controls computer etc. through network transmission unit's cooperation can reach with signal upload to such as picture, network streaming media video, document that the external source equipment formed reaches the purpose of figure workstation can expand simultaneously many screen processing equipment's application scope. In consideration of the cost problem of the multi-screen processing equipment, the management difficulty and the maintenance difficulty of the graphic workstation on different expansion interfaces can be reduced by building the network transmission unit, so that the construction cost, the expansion cost and the maintenance cost of the multi-screen processing equipment are relatively low.
Furthermore, the graphic workstation comprises a main control module and an interface processing module; the interface processing module is connected with each multi-screen expander in the plurality of multi-screen expanders based on data lines, the interface processing module is connected with the main control module based on data lines, and the main control module is connected with the network transmission module based on data lines. The embodiment of the utility model provides an in, main control module mainly aims at relevant signal that network transmission module sent was come carries out adaptability conversion, synchronous adjustment and handles and interface distribution processing, and interface processing module mainly aims at main control module distributed signal is accomplished the operation and is cut apart, and guarantees that resolution ratio is not influenced.
Specifically, the master control module comprises a master controller, a DVI audio and video decoding unit and a DVI signal acquisition unit; the DVI audio and video decoding unit is connected with the DVI signal acquisition unit on the basis of the data line, and the DVI signal acquisition unit is connected with the network transmission module on the basis of the data line. The embodiment of the utility model provides an in, main control unit adopts the model to be STM32F107VCT 6's main control chip, mainly aims at DVI audio and video decoding unit decipher output's DVI signal carries out the comprehensive management and control of concatenation roaming and stack zoom operation to practical application's concatenation screen configuration information is the basis, rationally does interface processing module distributes the demarcation information that needs to present, in order to guarantee many screen processing equipment's stable output.
In addition, the DVI signal acquisition unit adopts a DVI acquisition card with the model number of T230E, has the characteristics of small size, excellent performance, flexible application and the like, can support the function of simultaneously acquiring one path of high-definition video signals (reaching 1080p/60Hz) and one path of analog audio signals, and simultaneously support the detection of an automatic input video format and the detection of an automatic video effective area, and can ensure that the relevant signals transmitted by the network transmission unit are acquired in real time and effectively monitored, so that the high requirement of the multi-screen processing equipment on data processing is met.
In addition, the DVI audio and video decoding unit adopts a decoder with the model number JS2020, has the self-adaptive decoding and intelligent control network delay capability, can reduce the influence caused by network packet loss to the maximum extent, and avoids the phenomena of obvious distortion and frame loss of the images output by the multi-screen processing equipment; the DVI audio and video coding unit has image zooming capability and supports output in multiple formats such as 525i, 625i, 720p, 1080i, 1080p (60 Hz at the highest), and after decoding related signals acquired by the DVI signal acquisition unit, the decoded image can be amplified/reduced and output through frame rate conversion so as to adapt to application requirements of the multiple multi-screen expanders.
Furthermore, the interface processing module includes a plurality of multi-screen display cards, and each of the multi-screen display cards is connected to a corresponding multi-screen expander of the plurality of multi-screen expanders based on a data line. The embodiment of the utility model provides an in, arbitrary one many screen display card in a plurality of many screen display cards all possesses high accuracy operation ability and super high resolution ratio image output ability, and is executable right the matrix transformation and the mapping processing of main control unit assigned information.
Each of the multiple-screen expanders comprises a signal division module, the signal division module is connected with corresponding multiple-screen display cards in the multiple-screen display cards on the basis of data lines, and the signal division module is connected with the corresponding display screens through the DVI interface. The signal segmentation module comprises a DVI signal picture splitter with the model of CK8DVI, a pure hardware structure design and an advanced high-speed video processing chip are adopted, an advanced de-interlacing algorithm is applied to process a single-path DVI video image signal in real time, the phenomena of image delay, trailing or frame extraction can be avoided, the purpose that the single-path DVI picture output by a corresponding multi-screen display card is split into M pictures with the same size and is output to an appointed position on a corresponding display screen based on a DVI interface can be realized, and meanwhile, the multi-picture segmentation display effect can be formed by the linkage matching of a plurality of multi-screen expanders, and the stability and the reliability are achieved.
It should be noted that, there is a one-to-one correspondence in quantity between the multiple multi-screen expanders and the multiple multi-screen display cards, in the embodiment of the present invention, the number of usage is not limited, and specifically, the requirement of the number of rows and columns of the spliced screen (M × N) according to the practical application is constrained: when the number of columns of the spliced screen is N, it is indicated that the actual use number of the multiple multi-screen expanders is N, and the actual use number of the corresponding multiple multi-screen display cards is also N; and when the number of lines of the spliced screen is M, it means that each of the N multi-screen expanders used above supports vertical mx 1 frame division.
The embodiment of the utility model provides a many screen processing equipment uses the graphic workstation as the core device of signal processing and signal distribution to accomplish the image segmentation work with the help of many screen expansion appearance, make this equipment realize many screen concatenation reliably and stably; compared with the existing video splicing processor, the multi-screen video splicing processor has the advantages that only one-way data sources are displayed on a single display screen, the purpose that the multi-way data sources can be output by the single display screen is achieved by utilizing the one-way data cutting function of the multi-screen expander, the using number of the display screens can be greatly reduced, and therefore the cost is saved; the network transmission module set up on one side of the graphic workstation can finish uploading of relevant information such as pictures, videos and documents transmitted by external source equipment with different interfaces, the application range is wide, and the construction cost, the expansion cost and the maintenance cost of the equipment are relatively low.
The multi-screen processing device provided by the embodiment of the present invention is described in detail above, and the principle and the implementation of the present invention are explained by using a specific example, and the description of the above embodiment is only used to help understanding the method and the core idea of the present invention; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (10)
1. A multi-screen processing device is characterized by comprising a graphic workstation, a plurality of multi-screen expanders and a network transmission module; wherein the content of the first and second substances,
the graphic workstation based on the data line with each of a plurality of expanders is shielded many more to each, the graphic workstation based on the data line with network transmission module is connected, be provided with the DVI interface on each of a plurality of expanders is shielded many more, the DVI interface is connected to the display screen that corresponds based on the data line.
2. A multi-screen processing device as recited in claim 1, wherein the graphics workstation includes a main control module and an interface processing module;
the interface processing module is connected with each multi-screen expander in the multi-screen expanders on the basis of data lines, the interface processing module is connected with the main control module on the basis of data lines, and the main control module is connected with the network transmission module on the basis of data lines.
3. A multi-screen processing apparatus as defined in claim 2, wherein the master control module includes a master controller, a DVI audio-video decoding unit, and a DVI signal acquisition unit;
the DVI audio and video decoding unit is connected with the DVI signal acquisition unit based on the data line, and the DVI signal acquisition unit is connected with the network transmission module based on the data line.
4. A multi-screen processing apparatus as recited in claim 3, wherein the DVI audio-video decoding unit employs a decoder of model JS 2020.
5. A multi-screen processing apparatus as defined in claim 3, wherein the DVI signal acquisition unit is a DVI acquisition card model T230E.
6. A multi-screen processing device as recited in claim 2, wherein the interface processing module includes a plurality of multi-screen display cards, and each of the multi-screen display cards is connected to a corresponding one of the multi-screen expanders based on data lines.
7. A multi-screen processing device as recited in claim 6, wherein each of the plurality of multi-screen expanders includes a signal splitting module that is coupled to a corresponding one of the plurality of multi-screen display cards based on data lines, and the signal splitting module is coupled to the corresponding display screen via the DVI interface.
8. A multi-screen processing device as recited in claim 7, wherein the signal splitting module includes a DVI signal picture splitter model CK8 DVI.
9. A multi-screen processing device as recited in claim 3, wherein the network transmission module includes a DVI audio/video encoder and a network transmission unit, the DVI audio/video encoder is connected to the external source device based on a data line, the DVI audio/video encoder is connected to the network transmission unit based on a data line, and the network transmission unit is connected to the DVI signal acquisition unit based on a data line.
10. A multi-screen processing apparatus as defined in claim 9, wherein the network transmission unit employs a network transmission chip model number LAN 8720A.
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| CN202021513131.7U CN212660227U (en) | 2020-07-27 | 2020-07-27 | Multi-screen processing equipment |
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| CN202021513131.7U CN212660227U (en) | 2020-07-27 | 2020-07-27 | Multi-screen processing equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113114958A (en) * | 2021-04-15 | 2021-07-13 | 湖北华夏科显电子有限公司 | Embedded multi-picture segmentation processing system of liquid crystal splicing screen |
| CN114650372A (en) * | 2022-03-16 | 2022-06-21 | 展讯通信（上海）有限公司 | Dynamic adaptive multi-screen display method, device and system |
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2020
- 2020-07-27 CN CN202021513131.7U patent/CN212660227U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113114958A (en) * | 2021-04-15 | 2021-07-13 | 湖北华夏科显电子有限公司 | Embedded multi-picture segmentation processing system of liquid crystal splicing screen |
| CN114650372A (en) * | 2022-03-16 | 2022-06-21 | 展讯通信（上海）有限公司 | Dynamic adaptive multi-screen display method, device and system |
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