CN204791903U - Tall and erect video control system of LED display screen ann - Google Patents
Tall and erect video control system of LED display screen ann Download PDFInfo
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- CN204791903U CN204791903U CN201520514182.4U CN201520514182U CN204791903U CN 204791903 U CN204791903 U CN 204791903U CN 201520514182 U CN201520514182 U CN 201520514182U CN 204791903 U CN204791903 U CN 204791903U
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Abstract
The utility model provides a tall and erect video control system of LED display screen ann, include: at least one video processing unit, be used for passing through the plug -in connection to the tall and erect video the control unit of ann, ann tall and erect video the control unit and video processing unit that the video processing unit provided video resource, the tall and erect video the control unit of ann includes: acquire video resource's processor module, demonstration and control video resource's touch screen module, storage video resource's data storage module through the ethernet, the video processing unit includes: receive video resource and to control module send the work order video processing module, receive the work order and send control command's control module, the frame signal conversion that corresponds video resource for supplying LED to show the circuit drive module of the differential signal that screen display shows to video processing module. The utility model discloses realize that the video source needs the externally to acquire the inside transformation that provides of system, LED screen display shows more conveniently, has improved LED display screen work efficiency.
Description
Technical field
The utility model embodiment relates to LED display video control technology field, particularly relates to a kind of LED display Android video control system.
Background technology
Current LED display technique reaches its maturity, and LED display control system is used widely in fields such as traffic, advertisement, news briefing, sports tournament, large-scale concerts.LED video control system, as the key controlling LED screen display data, image, is the core of whole LED display system.LED large screen system is primarily of host computer, controller, driver, video playback management software, transmission system composition.
The video resource of traditional LED display is provided by host computer, Video Controller mostly adopts 8 or 16 8-digit microcontrollers, owing to being subject to many restrictions such as processing speed, architectural framework, peripheral interface resource of microprocessor, be difficult to obtain good dynamic visual impact under requiring to show more pixel, Dynamic Announce effect complicated situation.
Utility model content
The utility model embodiment provides a kind of LED display Android video control system, is provided, the problem of high cost with the video resource overcoming LED display in prior art by the host computer of outside.
LED display Android video control system of the present utility model, comprising:
Power supply unit, at least one video processing unit, for providing the Android video control unit of video resource to described video processing unit, described Android video control unit is connected by slot with described video processing unit, and described power supply unit is connected with described Android video control unit, described video processing unit by power lead;
Described Android video control unit comprises: by Ethernet obtain the processor module of video resource, display and control video resource touch screen module, store the data memory module Ethernet interface unit of described video resource;
Described video processing unit comprises: receive described video resource and to control module send work order video processing module, receive work order and to the control module of described video processing module sending controling instruction, circuit driver module frame signal corresponding for described video resource being converted to the differential signal for LED display display.
Further, described video processing unit, also comprises:
Before receiving described video resource for described video processing module, receive the USB module of the LED display scan mode of host computer.
Further, the model S5PV210AH-A0 of the processor module of described Android video control unit.
Further, described circuit driver module comprises monochromatic drive pattern or colored drive pattern.
It is the video resource that video control system sends that the utility model system receives described Android by video processing module, by video processing module process, signal after process is to circuit driver element, signal after process is converted to differential signal and this signal is supplied to LED display by circuit driver element, thus achieve by LED display video control system inside acquisition video resource, in LED Android video control system, the control module of video processing unit then adopts 32 high-performance ARM compositions, video source obtains by host computer the Android video control unit become in native system and obtains, video control unit is made to obtain video resource convenient.Android control system effectively combines with Video Controller by this system, and achieving video source needs to obtain to the transformation having internal system to provide from outside, and LED screen display is convenient, improves the work efficiency of LED display.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the utility model LED display Android video control system structural representation;
Fig. 2 is another structural representation of the utility model LED display Android video control system;
Fig. 3 is ethernet interface module circuit theory diagrams in the utility model Android video control unit;
Fig. 4 is data memory module circuit theory diagrams in the utility model Android video control unit;
Fig. 5 is USB module circuit theory diagrams in the utility model Android video control unit;
Fig. 6 is circuit driver module circuit theory diagrams in the utility model Android video control unit.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the utility model LED display Android video control system structural representation, and as shown in Figure 1, the system of the present embodiment comprises:
Power supply unit 101, at least one video processing unit 103, for providing the Android video control unit 102 of video resource to described video processing unit, described Android video control unit 102 is connected by slot with described video processing unit 103, and described power supply unit 101 is connected with described Android video control unit 102, described video processing unit 103 by power lead;
Described Android video control unit 102 comprises: obtained the processor module 104 of video resource by Ethernet, shown and control touch screen module 105, the data memory module 106 storing described video resource, the ethernet interface module 107 of video resource;
Described video processing unit 103 comprises: receive described video resource and to control module send work order video processing module 108, receive work order and to the control module 109 of described video processing module sending controling instruction, the circuit driver module 110 frame signal corresponding for described video resource being converted to the differential signal for LED display display.
Specifically, Android video control unit obtains video resource by Ethernet, and this video resource can be shown by touch screen module and control, and the circuit theory diagrams of described ethernet interface module as shown in Figure 3.Wherein, pin TD+, TD-, RX+, RX-are the connection signals communicated with Android control system, and pin DM9000_LINKLED, DM9000_LINLED are the relay indicating light signals of Ethernet interface.This video resource stores by data memory module, and the circuit theory diagrams of this data memory module as shown in Figure 4.Wherein, the data address that pin MEM_ADDR [20:0] is cell stores, the data bits that pin MEM_DAT [23:0] is cell stores, pin MEM_CLK is synchronizing clock signals, pin MEM_GW is synchronous write enable signal, pin MEM_OE is output enable signal, and pin MEM_CE is chip selection signal.
The video processing module of video processing unit sends work order to control module after receiving this video resource, control module receives after this work order to video processing module sending controling instruction, video processing module sends vision signal according to this steering order to circuit driver module, and the frame signal of this video resource is converted to the differential signal for LED display display by circuit driver module.
Further, the processor module of described Android video control unit is model S5PV210AH-A0's.This processor module installs existing Android operation system, for receiving the video resource of Ethernet.
Further, described circuit driver module comprises monochromatic drive pattern or colored drive pattern.
Fig. 2 is another structural representation of the utility model LED display Android video control system, and as shown in Figure 2, the present embodiment, on the system-based described in Fig. 1, also comprises:
Before receiving described video resource for described video processing module, receive the USB module 111 of the LED display scan mode of host computer.
Specifically, the circuit theory diagrams of this USB as shown in Figure 5.Wherein DS1099-W position USB interface, is set up by USB line and host computer and contacts.Pin XuTXD0, XuRXD0, SCPU_TX0, SCPU_RX0 are connection signals scan mode being sent to Android control system.The frame signal of video resource is converted to the circuit driver module circuit theory diagrams of the differential signal shown for LED display as shown in Figure 6, wherein, MODSDAT0, MODSCLK0, MODSDAT1, MODSCLK1 are the frame signal of video resource, and MODSDAT0+, MODSDAT0-, MODSCLK0+, MODSCLK0-, MODSDAT1+, MODSDAT1-, MODSCLK1+, MODSCLK1-are the differential signal of LED display display.
Each video processing unit can export at most 16 road signals, and every road signal can control at most 2048 signaling points, a LED in the corresponding LED display of each signaling point.Each corresponding for video resource two field picture is divided into M sub regions by scan mode, and the circuit driver element in video processing unit shows each subregion respectively, thus M circuit driver element demonstrates the video pictures completed of this video resource jointly.In native system, USB module can receive the scan mode of the LED display that host computer is arranged.
It is the video resource that video control system sends that the utility model system receives described Android by video processing module, by video processing module process, signal after process is to circuit driver element, signal after process is converted to differential signal and this signal is supplied to LED display by circuit driver element, thus achieve by LED display video control system inside acquisition video resource, LED Android video control system then adopts 32 high-performance ARM compositions, video source obtains by host computer the Android video control unit become in native system and obtains, video control unit is made to obtain video resource convenient.Android control system effectively combines with Video Controller by this system, and achieving video source needs to obtain to the transformation having internal system to provide from outside, and LED screen display is convenient, improves the work efficiency of LED display.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (4)
1. a LED display Android video control system, is characterized in that, comprising:
Power supply unit, at least one video processing unit, for providing the Android video control unit of video resource to described video processing unit, described Android video control unit is connected by slot with described video processing unit, and described power supply unit is connected with described Android video control unit, described video processing unit by power lead;
Described Android video control unit comprises: obtain the processor module of video resource, display and the touch screen module of control video resource, the data memory module storing described video resource, Ethernet interface unit by Ethernet;
Described video processing unit comprises: receive described video resource and to control module send work order video processing module, receive work order and to the control module of described video processing module sending controling instruction, circuit driver module frame signal corresponding for described video resource being converted to the differential signal for LED display display.
2. system according to claim 1, is characterized in that, described video processing unit, also comprises:
Before receiving described video resource for described video processing module, receive the USB module of the LED display scan mode of host computer.
3. system according to claim 1 and 2, is characterized in that, the processor module of described Android video control unit is model S5PV210AH-A0.
4. system according to claim 1 and 2, is characterized in that, described circuit driver module comprises monochromatic drive pattern or colored drive pattern.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520514182.4U CN204791903U (en) | 2015-07-15 | 2015-07-15 | Tall and erect video control system of LED display screen ann |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520514182.4U CN204791903U (en) | 2015-07-15 | 2015-07-15 | Tall and erect video control system of LED display screen ann |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104933992A (en) * | 2015-07-15 | 2015-09-23 | 大连集思特科技有限公司 | Android video control system of LED display screen |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104933992A (en) * | 2015-07-15 | 2015-09-23 | 大连集思特科技有限公司 | Android video control system of LED display screen |
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