CN204143840U - A kind of LED display control system - Google Patents
A kind of LED display control system Download PDFInfo
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- CN204143840U CN204143840U CN201420529579.6U CN201420529579U CN204143840U CN 204143840 U CN204143840 U CN 204143840U CN 201420529579 U CN201420529579 U CN 201420529579U CN 204143840 U CN204143840 U CN 204143840U
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- led display
- video signal
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- bnc connector
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- 230000005540 biological transmission Effects 0.000 abstract description 15
- 230000007547 defect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000008447 perception Effects 0.000 description 1
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Abstract
The utility model discloses a kind of LED display control system.Described control system comprises the video signal processing module that is positioned at front end and is positioned at rear end and is connected to the LED display driver module of LED display, it is characterized in that, described video signal processing module comprises multiple first BNC connector unit, described LED display driver module comprises and described multiple first BNC connector unit multiple second BNC connector unit one to one, and the second BNC connector unit of the first BNC connector unit described in each and correspondence thereof is all connected by concentric cable.Because the utility model have employed the many piece concentric cable of two ends with BNC connector as transmission medium, therefore not only perfect transmission and the broadcasting supporting super clear video of the utility model LED display control system, also can avoid by line and the bad various display fault such as blank screen, flicker caused of LED display interface contact.
Description
Technical field
The utility model relates to LED screen control technology field, more particularly, relates to a kind of LED display control system.
Background technology
At present, need the application places of arranging huge LED display at stage etc., for ease of wiring and construction, and save cost, what LED display control system interface generally adopted is RJ45 interface.But the LED display control system that have employed RJ45 interface has following shortcoming:
One, the connection of RJ45 joint is adopted and insecure, especially the special occasions such as fitup, elevator stage of star's concert is being applied to, loosening very easily appears in the RJ45 joint of LED display control system, causes LED display to occur blank screen or flicker, affects user's perception.
Two, the common netting twine with RJ45 joint is the transmission medium of low bandwidth, the transmission requirement of super clear video (such as resolution reaches the 4K resolution video of 3840*2160) cannot be reached, make LED display control system cannot play high-quality video.
Three, common netting twine bearing capacity is poor, fragile.
Utility model content
The technical problems to be solved in the utility model is, for the above-mentioned defect of prior art, provides a kind of LED display control system.
The utility model solves the technical scheme that its technical matters adopts: construct a kind of LED display control system, described control system comprises the video signal processing module being positioned at front end, and be positioned at rear end and be connected to the LED display driver module of LED display, described video signal processing module comprises multiple first BNC connector unit, described LED display driver module comprises and described multiple first BNC connector unit multiple second BNC connector unit one to one, and the second BNC connector unit of the first BNC connector unit described in each and correspondence thereof is all connected by concentric cable.
In the above-mentioned LED display control system of the utility model, described video signal processing module comprises rgb video signal converting unit, be electrically connected at the video reception unit of described rgb video signal converting unit and the first video signal processing unit and be electrically connected at a RAM of described first video signal processing unit, and described first video signal processing unit connects described multiple first BNC connector unit simultaneously.
In the above-mentioned LED display control system of the utility model, described video signal processing module also comprises usb interface unit and is electrically connected at the MCU of described usb interface unit and described first video signal processing unit.
In the above-mentioned LED display control system of the utility model, described LED display driver module comprises the second video signal processing unit being electrically connected at described multiple second BNC connector unit and the LED display driver element being electrically connected at described second video signal processing unit, LED display interface unit, flash memory and the 2nd RAM, and described LED display interface unit connects described LED display simultaneously.
In the above-mentioned LED display control system of the utility model, described video signal processing module is used for receiving correction data from the terminal device of outside by described usb interface unit, through described multiple first BNC connector unit and many concentric cable connecting described multiple first BNC connector unit, this correction data is sent to described LED display driver module;
Described LED display driver module for receive by described video signal processing module through described many concentric cable and connect described many concentric cable described multiple second BNC connector unit input correction data, by this correction data stored in described flash memory and described 2nd RAM.
In the above-mentioned LED display control system of the utility model, described video reception unit comprises HDMI, DVI interface, USB interface and 3G-SDI interface.
Implement LED display control system of the present utility model, there is following beneficial effect:
1, because the utility model LED display control system have employed the many piece concentric cable of two ends with BNC connector as transmission medium, therefore the utility model LED display control system both can support transmission and the broadcasting of super clear video (such as 4K video), line and the bad various display fault such as blank screen, flicker caused of LED display interface contact were turn avoid.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the structural representation of the LED display control system that the utility model preferred embodiment provides;
Fig. 2 is the structured flowchart of the video signal processing module of the LED display control system shown in Fig. 1;
Fig. 3 is the structured flowchart of the LED display driver module of the LED display control system shown in Fig. 1.
Embodiment
Adopt common netting twine as transmission of video medium to solve LED display 400 control system in prior art, cause the defect easily occurring blank screen or flicker in the application scenario such as revolving stage, elevator stage LED display 400, main innovate point of the present utility model is:
1) using two ends with many concentric cable of BNC connector as transmission medium, various vision signal serial transmissions from video source 100 are shown to LED display 400, these two ends not only increase the stability of video data transmission with the concentric cable of BNC connector, also perfectly can support transmission and the display of super clear video;
2) in the future the correction data of self terminal equipment 500 prestores the flash cell 305 of LED display driver module 300 and/or the 2nd RAM306, for user provides the calibration function of LED display 400 display effect.
Due to the utility model have employed using two ends with many concentric cable of BNC connector as the design of transmission medium, adopt common netting twine as transmission medium so solve LED display 400 control system in prior art, LED display 400 is caused easily to occur the display fault of blank screen or flicker in the application scenario such as revolving stage, elevator stage, and LED display 400 cannot play the technical matters of super clear video, achieves following object:
1, the utility model LED display control system adopts two ends with many concentric cable of BNC connector as transmission medium, both support transmission and the broadcasting of super clear video (such as 4K video), turn avoid line and bad the caused various display fault such as blank screen, flicker of LED display interface contact.
In order to make the purpose of this utility model clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
As shown in Figure 1, the utility model LED display control system comprises video signal processing module and LED display driver module 300.This video processing module 200200 is connected with video source 100 by difference cable, and is connected to this LED display driver module 300 by many concentric cable.This LED display driver module 300 is electrically connected with LED display 400.
As shown in Figure 2, this video signal processing module 200 comprises the first video signal processing unit 203, is electrically connected at multiple first BNC connector unit 205 of this first video signal processing unit 203, rgb video signal converting unit 202, MCU206 and a RAM204, be electrically connected at the video signal interface unit of this rgb video signal converting unit 202 and be electrically connected at the usb interface unit 207 of this MCU206, and this MCU206 is electrically connected at this first video signal processing unit 203.
This video signal processing module 200 receives the correction data inputted by the terminal device 500 of outside by this usb interface unit 207, and by the plurality of first BNC connector unit 205 and the concentric cable that connects the plurality of first BNC connector unit 205, this correction data is sent to this LED display driver module 300.
In the utility model better embodiment, this video signal interface unit 201 can comprise HDMI, DVI interface, USB interface and 3G-SDI interface.This first video signal processing unit 203 is FPGA (Field-Programmable Gate Array).
As shown in Figure 3, this LED driver module 300 comprises the second video signal processing unit 302, is electrically connected at multiple second BNC connector unit 301 of this second video signal processing unit 302, flash memory 305, the 2nd RAM306 and LED display driver element 303 and provides input by this LED display driver element 303 and the LED display interface unit 304 of output terminal connection LED display 400.Wherein, the plurality of second BNC connector unit 301 and above-mentioned multiple first BNC connector unit 205 one_to_one corresponding, and the second BNC connector unit 301 of each first BNC connector unit 205 and correspondence thereof is all connected by a concentric cable.
In the utility model, this video signal processing module 200 can be used for the correction data being received the terminal device 500 from outside by this usb interface unit 207, through the plurality of first BNC connector unit 205 and many concentric cable connecting the plurality of first BNC connector unit 205, this correction data is sent to this LED display driver module 300.
This correction data for receiving the correction data inputted through multiple second BNC connector unit 301 by above-mentioned many concentric cable, and is stored in flash memory 305 and the 2nd RAM306 by this LED display driver module 300.
In the better embodiment of the utility model LED display control system, this second video signal processing unit 203 is FPGA (Field-Programmable Gate Array).
The foregoing is only preferred embodiment of the present utility model; not in order to limit the utility model; all do within spirit of the present utility model and principle any amendment, equivalent to replace and improvement etc., all should be included within protection domain of the present utility model.
Claims (6)
1. a LED display control system, described control system comprises the video signal processing module that is positioned at front end and is positioned at rear end and is connected to the LED display driver module of LED display, it is characterized in that, described video signal processing module comprises multiple first BNC connector unit, described LED display driver module comprises and described multiple first BNC connector unit multiple second BNC connector unit one to one, and the second BNC connector unit of the first BNC connector unit described in each and correspondence thereof is all connected by concentric cable.
2. LED display control system according to claim 1, it is characterized in that, described video signal processing module comprises rgb video signal converting unit, be electrically connected at the video reception unit of described rgb video signal converting unit and the first video signal processing unit and be electrically connected at a RAM of described first video signal processing unit, and described first video signal processing unit connects described multiple first BNC connector unit simultaneously.
3. LED display control system according to claim 2, is characterized in that, described video signal processing module also comprises usb interface unit and is electrically connected at the MCU of described usb interface unit and described first video signal processing unit.
4. LED display control system according to claim 3, it is characterized in that, described LED display driver module comprises the second video signal processing unit being electrically connected at described multiple second BNC connector unit and the LED display driver element being electrically connected at described second video signal processing unit, LED display interface unit, flash memory and the 2nd RAM, and described LED display interface unit connects described LED display simultaneously.
5. LED display control system according to claim 4, it is characterized in that, described video signal processing module is used for receiving correction data from the terminal device of outside by described usb interface unit, through described multiple first BNC connector unit and many concentric cable connecting described multiple first BNC connector unit, this correction data is sent to described LED display driver module;
Described LED display driver module for receive by described video signal processing module through described many concentric cable and connect described many concentric cable described multiple second BNC connector unit input correction data, by this correction data stored in described flash memory and described 2nd RAM.
6. LED display control system according to claim 2, is characterized in that, it is characterized in that, described video reception unit comprises HDMI, DVI interface, USB interface and 3G-SDI interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420529579.6U CN204143840U (en) | 2014-09-15 | 2014-09-15 | A kind of LED display control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420529579.6U CN204143840U (en) | 2014-09-15 | 2014-09-15 | A kind of LED display control system |
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| Publication Number | Publication Date |
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| CN204143840U true CN204143840U (en) | 2015-02-04 |
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| CN201420529579.6U Active CN204143840U (en) | 2014-09-15 | 2014-09-15 | A kind of LED display control system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105376537A (en) * | 2015-08-06 | 2016-03-02 | 利亚德光电股份有限公司 | Control system of LED display, television, and display control system |
| CN109003571A (en) * | 2018-10-10 | 2018-12-14 | 合肥惠科金扬科技有限公司 | The driving circuit and display device of display panel |
| TWI650746B (en) * | 2017-09-30 | 2019-02-11 | 北京集創北方科技股份有限公司 | Display driver |
-
2014
- 2014-09-15 CN CN201420529579.6U patent/CN204143840U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105376537A (en) * | 2015-08-06 | 2016-03-02 | 利亚德光电股份有限公司 | Control system of LED display, television, and display control system |
| TWI650746B (en) * | 2017-09-30 | 2019-02-11 | 北京集創北方科技股份有限公司 | Display driver |
| CN109003571A (en) * | 2018-10-10 | 2018-12-14 | 合肥惠科金扬科技有限公司 | The driving circuit and display device of display panel |
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