CN204515756U - Splicing device - Google Patents
Splicing device Download PDFInfo
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- CN204515756U CN204515756U CN201520017609.XU CN201520017609U CN204515756U CN 204515756 U CN204515756 U CN 204515756U CN 201520017609 U CN201520017609 U CN 201520017609U CN 204515756 U CN204515756 U CN 204515756U
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Abstract
The utility model discloses a kind of splicing device, to simplify structure, to reduce costs, and is convenient to cascade deployment.Splicing device disclosed in the utility model, comprises the load module of data processing module and connection thereof, output module and control module, and described output module comprises wall interface at least two images for being connected with display unit; Wherein, described output module is also deployed with at least one input picture ring outgoing interface, is provided with ring outgoing link between described input picture ring outgoing interface and described data processing module; And/or described load module is deployed with at least one input picture ring incoming interface, is provided with ring incoming link between described input picture ring incoming interface and described data processing module.
Description
Technical field
The utility model relates to technical field of image processing, particularly relates to a kind of splicing device that can be used for multi-screen splicing system.
Background technology
Current, the application of high resolving power splicing wall display system is more and more extensive; It is made up of multiple display unit, and has the unity logic screen of a ultrahigh resolution; Can show a large amount of signal source, and arbitrary signal source can show, so very easy to use in any position of whole display system.In order to realize such function, special splicing device is needed to carry out the signal transacting such as generation, segmentation, superposition of image.
Image mosaic processor can adopt special pure hardware to focus on structure; generally include multiple load modules of handover module and connection thereof, multiple output module, control module; and between load module and handover module, and/or be usually also provided with data processing module between handover module and output module.Wherein, control module is connected to carry out the dependent instruction of corresponding configuration and/or the control of parameter with each functional module, load module is used for incoming image signal, and convert thereof into the treatable picture signal of data processing module as required, output module comprises wall interface on the image for being connected with display unit, to convert the picture signal after data processing module process to display unit treatable picture signal; Data processing module is used for the data processing such as transmission, cutting, superposition of executive signal, and it can be completed by ASIC or FPGA; Handover module can adopt the exchange chip such as point of crossing or route, sets up and between switching signal source and display unit, namely also between load module and output module, mapping channel, realize distribution and the scheduling of signal.
But, above-mentioned splicing device, only have the scheduling between multiple input source and multiple display unit and management talent to give full play to the effect of handover module, and handover module is usually expensive, if for the treatment of one-channel signal source, cost performance is too low; Simultaneously, cascade between existing multistage splicing device usually need rely on handover module with subtending port and be achieved, technology disclosed in No. 200910193836.7 patents, by this, if design the splicing device in a process one-channel signal source, and omit handover module, how to realize the cascade between splicing device, to expand the scale of combination, the resolution of raising combination is also a problem.
Utility model content
Fundamental purpose of the present utility model is open a kind of splicing device, to simplify structure, to reduce costs, and is convenient to cascade deployment.
For reaching above-mentioned purpose, splicing device of the present utility model, comprises the load module of data processing module and connection thereof, output module and control module, and described output module comprises wall interface at least two images for being connected with display unit; Wherein, described output module is also deployed with at least one input picture ring outgoing interface, is provided with ring outgoing link between described input picture ring outgoing interface and described data processing module; And/or
Described load module is deployed with at least one input picture ring incoming interface, is provided with ring incoming link between described input picture ring incoming interface and described data processing module.
Optionally, above-mentioned load module is also deployed with the direct-connected interface of a road input picture, for the view data that described data processing module obtains to select input picture ring incoming interface described in a mode process or the direct-connected interface of described input picture.
Preferably, splicing device disclosed in the utility model adopts child and parent card structure; The type of subcard is corresponding with the type of the direct-connected interface of input picture, to gather and to obtain parallel Digital Image Data; Wherein, the subcard of compatible at least two types of the parallel data grabbing card between the data processing module of master card and subcard
Preferably, above-mentioned splicing device is also provided with clock modular converter, and described clock modular converter is connected with clock recovery module and local crystal oscillator, to select recovered clock or the local clock clock as affiliated splicing device according to the configuration of described control module; Wherein, described clock recovery module is connected with described input picture ring incoming interface.By this, the then input picture ring outgoing interface of the first splicing device and the input picture ring incoming interface of the second splicing device is supporting when being connected, second splicing device is under the effect of clock recovery module, the clock with the first splicing device homology can be adopted, and then realize the synchronous of output image.
To sum up, image mosaic processor disclosed in the utility model, at least has the following advantages:
Eliminate handover module, reduce cost.
By the supporting connection of input picture ring outgoing interface and input picture ring incoming interface, the cascade of two splicing devices can be realized; By this, the utility model can make same signal source to enter ring and go out by ring between multistage splicing device, realizes the relaying of signal source; And splicing device at different levels can carry out flexible configuration according to the deployment of corresponding display unit, be convenient to the process such as the intention splicing of signal source, distributed display, also by the quantity of wall interface in cascade expanded images, and then expansion forms the combination scale of logic screen, improves the resolution of this logic screen.
Accompanying drawing explanation
The structural drawing of Fig. 1 splicing device disclosed in the utility model embodiment.
Embodiment
Below in conjunction with Figure of description, specific implementation of the present utility model is made a detailed description.Example, only for explaining the utility model, is not intended to limit scope of the present utility model.
Embodiment one
The present embodiment discloses a kind of splicing device, and as shown in Figure 1, comprise data processing module 2 and the load module 1 connected, output module 3 and control module 4, this output module comprises wall interface 31 at least two images for being connected with display unit; This output module is also deployed with at least one input picture ring outgoing interface 32, is provided with ring outgoing link between this input picture ring outgoing interface and this data processing module; And/or this load module is deployed with at least one input picture ring incoming interface 11, is provided with ring incoming link between this input picture ring incoming interface and this data processing module.
What deserves to be explained is, connection described in the utility model refers to that the link of electric signal connects, and can be wired mode, can be also wireless mode, but based on cost consideration, preferred wired mode, follow-uply repeats no more.
Optionally, above-mentioned control module comprises the serial port chip of single-chip microcomputer and connection thereof, network interface chip and EEPROM; And this serial port chip is connected with serial ports and network interface respectively with the another end of network interface chip.Wherein, this serial ports and network interface are used for communicating with host computer, and the communication mode between single-chip microcomputer and inner related device can adopt the communication modes such as IIC, with the control of the dependent instruction and/or parameter that carry out corresponding configuration; EEPROM is then mainly used in storing power down and preserves information.
In the present embodiment, above-mentioned load module is mainly used in incoming image signal, and converts thereof into the treatable picture signal of data processing module as required.
Optionally, above-mentioned data processing module comprises the DDR chip of fpga chip and connection thereof, and the coding chip on this fpga chip and this image between wall interface.The data processings such as this fpga chip can be used for rotating the view data being delivered to wall interface on image, convergent-divergent.Usually, one group of IO resource of the corresponding fpga chip of wall interface on a road image, and the IO resource of monolithic fpga chip is limited, also limit the quantity of wall interface on its supporting image thus.Wherein, on the image of this output module, wall interface is mainly used in providing accessible picture signal, as the picture output signal etc. of the standards such as DVI to display unit.Therefore, if the combination scale forming logic screen is larger, multistage splicing device is often needed to carry out cascade deployment.
Disclosed in the present embodiment, splicing device is when disposing for cascade, and the input picture ring outgoing interface of the first splicing device is connected with the input picture ring incoming interface of the second splicing device is supporting.Wherein, this input picture ring outgoing interface and the supporting employing standard interface of input picture ring incoming interface or self defined interface.Optionally, when above-mentioned data processing module adopts fpga chip (or be called fpga chip) based on SERDES that be integrated with serializer (the parallel/serial conversion between digital parallel signal and serial signal) and deserializer (serial/parallel conversion between data serial signal and parallel signal), this self defined interface is equipped with at least one group of differential pair, carry out ring to adopt differential pair to enter ring and go out input source view data for cascade, in other words, namely above-mentioned ring incoming link and ring outgoing link can adopt differential pair to be achieved.By this, then the differential signal that transmits of input picture ring incoming interface, can carry out after serial/parallel conversion through corresponding FPGA, the data processing of carrying out being correlated with is to be supplied to wall interface on corresponding image; And/or after fpga chip carries out parallel/serial conversion to obtained parallel signal accordingly, send input picture ring outgoing interface to.On the other side, when the video interface of this input picture ring outgoing interface and the supporting employing standard of input picture ring incoming interface, this input picture ring outgoing interface and input picture ring incoming interface to also usually need set up corresponding encoder between digital signal processing module respectively to carry out corresponding conversion; Therefore, the aforementioned design based on SERDES and self-defined differential interface, structure is more optimized, and is optimal way of the present utility model.
To sum up, then above-mentioned data processing module is to the view data obtained from load module, on the one hand, is gone out by view data ring to input picture ring outgoing interface; On the other hand, splicing carried out to view data and export to wall interface on corresponding image.And splicing device disclosed in the present embodiment, by supporting input picture ring incoming interface and input picture ring outgoing interface, significantly reduce splicing system produces the image output interface of terminal quantitative requirement to signal source, make signal source produce terminal and only need an image output interface, and the setting of divider etc. can be omitted; Be convenient to dispose.
Preferably, disclosed in the present embodiment, splicing device is also provided with clock modular converter, this clock modular converter is connected with clock recovery module and local crystal oscillator, to select recovered clock or the local clock clock as affiliated splicing device according to the configuration of this control module; Wherein, this clock recovery module is connected with this input picture ring incoming interface.Optionally, this clock recovery module is also integrated in above-mentioned fpga chip.By this, the then input picture ring outgoing interface of the first splicing device and the input picture ring incoming interface of the second splicing device is supporting when being connected, second splicing device is under the effect of clock recovery module, can according to input picture ring incoming interface receive the clock information that the information such as the frequency of view data calculate the first splicing device, and adopt and this recovered clock of the first splicing device homology, and then realize the synchronous of wall interface institute output image on each image.
Preferably, splicing device disclosed in the present embodiment, above-mentioned load module is also deployed with the direct-connected interface of a road input picture, for the view data that this data processing module obtains to select this input picture ring incoming interface of a mode process or the direct-connected interface of this input picture.Wherein, with input picture ring incoming interface can adopt self defined interface unlike, the direct-connected interface of this input picture is connected with the picture signal of standard usually, as dual_link and Display Port received image signal etc.Preferably, this splicing device adopts child and parent card structure; The type of the type of subcard and the direct-connected interface of input picture (input as dual_link or Display Port inputs) is corresponding, to gather and to obtain parallel Digital Image Data; Wherein, the subcard of compatible at least two types of the parallel data grabbing card between the data processing module of master card and subcard, for dissimilar subcard mixed insertion, and then improves dirigibility and the compatibility of the assembling of splicing device.Wherein, " gather and obtain parallel Digital Image Data " can adopt various picture signal acquisition technique of the prior art, obtains parallel picture signal.Such as: adopt the mode such as decoding to obtain digital picture, or the picture signal simulated is sampled, quantize after convert digital picture to; Then this digital picture is sent in parallel transmission mode.
By this, then when realizing cascade, the splicing device of the first order, preferably by the direct-connected interface of input picture to receive the vision signal of standard, the splicing device of subsequent cascaded then preferably by self-defining input picture ring enter/ring outgoing interface to be to carry out data transmission.
What deserves to be explained is: the one as above-described embodiment is out of shape, when the input picture ring outgoing interface of upper level splicing device adopts the standard interface that can use with the direct-connected interface kit of input picture of the splicing device of next stage, the direct-connected interface of input picture of this second splicing device can be considered and is integrated with input picture ring incoming interface, or can be considered that the input picture ring incoming interface of the second splicing device is integrated with the direct-connected interface of input picture, and above-mentioned data processing mould can be omitted with the structural design of the view data of selecting this input picture ring incoming interface of a mode process or the direct-connected interface of this input picture and obtaining, these distortion all belong to protection domain of the present utility model.
To sum up, image mosaic processor disclosed in the utility model, at least has the following advantages:
Eliminate handover module, reduce cost.
By the supporting connection of input picture ring outgoing interface and input picture ring incoming interface, the cascade of two splicing devices can be realized; By this, the utility model can make same signal source to enter ring and go out by ring between multistage splicing device, realizes the relaying of signal source; And splicing device at different levels can carry out flexible configuration according to the deployment of corresponding display unit, be convenient to the process such as the intention splicing of signal source, distributed display, also by the quantity of wall interface in cascade expanded images, and then expansion forms the combination scale of logic screen, improves the resolution of this logic screen.
Be only several specific embodiment of the present utility model above, but the utility model is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection domain of the present utility model.
Claims (10)
1. a splicing device, comprises the load module of data processing module and connection thereof, output module and control module, and described output module comprises wall interface at least two images for being connected with display unit; It is characterized in that, described output module is also deployed with at least one input picture ring outgoing interface, is provided with ring outgoing link between described input picture ring outgoing interface and described data processing module; And/or
Described load module is deployed with at least one input picture ring incoming interface, is provided with ring incoming link between described input picture ring incoming interface and described data processing module.
2. splicing device according to claim 1, it is characterized in that, described load module is also deployed with the direct-connected interface of a road input picture, for the view data that described data processing module obtains to select input picture ring incoming interface described in a mode process or the direct-connected interface of described input picture.
3. splicing device according to claim 2, is characterized in that, described splicing device adopts child and parent card structure; The type of subcard is corresponding with the type of the direct-connected interface of input picture, to gather and to obtain parallel Digital Image Data; Wherein, master card is deployed with described data processing module, and the subcard of compatible at least two types of parallel data grabbing card between described data processing module and subcard.
4. according to the arbitrary described splicing device of claims 1 to 3, it is characterized in that, also be provided with clock modular converter, described clock modular converter is connected with clock recovery module and local crystal oscillator, to select recovered clock or the local clock clock as affiliated splicing device according to the configuration of described control module; Wherein, described clock recovery module is connected with described input picture ring incoming interface.
5. splicing device according to claim 4, it is characterized in that, when the splicing device described in the first and second two do cascade dispose time, the input picture ring outgoing interface of the first splicing device is connected with the input picture ring incoming interface of the second splicing device is supporting.
6. splicing device according to claim 4, is characterized in that, described input picture ring outgoing interface and the supporting employing standard interface of input picture ring incoming interface or self defined interface.
7. splicing device according to claim 6, is characterized in that, described self defined interface is equipped with at least one group of differential pair, and respectively this differential pair is connected with the fpga chip of described data processing module.
8. splicing device according to claim 7, is characterized in that, described clock recovery module is integrated in described fpga chip.
9. splicing device according to claim 7, is characterized in that, described data processing module also comprises the DDR chip be connected with described fpga chip, and the coding chip on described fpga chip and described image between wall interface.
10. splicing device according to claim 4, is characterized in that, described control module comprises the serial port chip of single-chip microcomputer and connection thereof, network interface chip and EEPROM; And described serial port chip is also connected with serial ports and network interface respectively with network interface chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520017609.XU CN204515756U (en) | 2014-12-22 | 2015-01-12 | Splicing device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2014208216353 | 2014-12-22 | ||
| CN201420821635 | 2014-12-22 | ||
| CN201520017609.XU CN204515756U (en) | 2014-12-22 | 2015-01-12 | Splicing device |
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| CN204515756U true CN204515756U (en) | 2015-07-29 |
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| CN201520017609.XU Active CN204515756U (en) | 2014-12-22 | 2015-01-12 | Splicing device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019015551A1 (en) * | 2017-07-17 | 2019-01-24 | 北京嗨动视觉科技有限公司 | Video output processing device and video matrix processor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019015551A1 (en) * | 2017-07-17 | 2019-01-24 | 北京嗨动视觉科技有限公司 | Video output processing device and video matrix processor |
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Address after: 102206 No. 6, building 4, 6 Life Garden Road, Zhongguancun Life Science Park, Beijing, Changping District Patentee after: BEIJING TRICOLOR TECHNOLOGY CO., LTD. Address before: 102206 No. 6, building 4, 6 Life Garden Road, Zhongguancun Life Science Park, Beijing, Changping District Patentee before: Beijing Tricolor Technology Co., Ltd. |