CN204463784U - Sending card, asynchronous control-card, receiving card and LED display control system - Google Patents
Sending card, asynchronous control-card, receiving card and LED display control system Download PDFInfo
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- CN204463784U CN204463784U CN201420868698.4U CN201420868698U CN204463784U CN 204463784 U CN204463784 U CN 204463784U CN 201420868698 U CN201420868698 U CN 201420868698U CN 204463784 U CN204463784 U CN 204463784U
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Abstract
The utility model provides a kind of sending card, asynchronous control-card, receiving card and LED display control system, this LED display control system comprises control card, receiving card array and concentric cable, be connected by this concentric cable between this control card with receiving card array, this receiving card array is multiple receiving cards connected by this concentric cable cascade, and this control card is provided with on each receiving card the coaxial cable interface being connected this concentric cable.LED display control system provided by the utility model, improves the speed of data transmission and data transmission is stable.
Description
Technical field
The utility model relates to light emitting diode (Light Emitting Diode, LED) and shows field, particularly relates to a kind of LED display control system and for the sending card of LED display control system, asynchronous control-card and receiving card.
Background technology
At present, LED display has become the mark of modernization, internationalized city, and it can be used for playing Word message, animated advertising, video image, in advertisement, physical culture, traffic, finance, communication, business, to perform in a radio or TV programme etc. in industry and is widely used.The core technology mainly LED display control system of LED display, existing LED display control system is divided into synchro system and asynchronous system, and the framework of synchro system mainly comprises host computer, sending card and receiving card; The framework of asynchronous system mainly comprises asynchronous control-card and receiving card.The video source of synchro system is provided in real time by host computer, the video processing function of whole system and load capacity are all larger, and the video source of asynchronous system is stored in the memory module of asynchronous control-card, and the structure of whole system is simple, can realize off line to play, dirigibility is higher.But be no matter the control system of which kind of type, the stability of video data transmission is all very important.At present, LED display control system mainly adopts the medium that netting twine transmits as data.
For synchro system, sending card receives the video data that host computer provides, video data is passed through one or more network cable transmission to receiving card system, receiving card system comprises multiple receiving card, each receiving card controls driving and lights a LED display region, adopts netting twine cascade to connect between receiving card system.
But, because netting twine core is more, corresponding interface contact is also more, when any one core or interface go wrong, data transmission will make mistakes, and the image causing LED display to show goes wrong, and the crystal head of netting twine is in the process of repeatedly plug, shell fragment easily damages and causes network interface connection to loosen, and causes the instability that data are transmitted.
In addition, network cable transmission data rate conventional is at present 1000Mbps or 100Mbps, but, because LED display resolution is more and more higher, propose higher requirement to message transmission rate, the speed of single network cable transmission 1000Mbps also seems on the low side in some applications, and therefore current way is between sending card system and receiving card system, use more network cable transmission data, but the more systems that also causes of netting twine are more unstable.
Utility model content
The purpose of this utility model comprises provides a kind of LED display control system, by the medium of concentric cable as transmission data, to solve the unstable problem of LED display control system data of the prior art transmission.
Concrete, the utility model provides a kind of LED display control system, this LED display controls to comprise control card, receiving card array and concentric cable, be connected by this concentric cable between this control card with receiving card array, this receiving card array is multiple receiving cards connected by this concentric cable cascade, and this control card is provided with on each receiving card the coaxial cable interface being connected this concentric cable.
Preferably, this concentric cable connects this coaxial cable interface by snap-fit connector.
Preferably, this concentric cable comprises center conductor, insulation material layer from inside to outside successively, reticulated screen layer and external isolation insulating material.
Preferably, this control card is sending card or asynchronous control-card.
LED display control system provided by the utility model, by concentric cable connection control card and receiving card array, and cascade to connect in this receiving card array multiple receiving card to transmit data, the problem that the data transmission brought when solving the transmission medium utilizing netting twine as data due to LED display control system is unstable, and the message transmission rate that can reach due to this concentric cable is higher, 3Gbps can be reached, even 6Gbs, therefore improve the speed of data transmission, make to use the quantity of the comparable use netting twine of the quantity of coaxial cable to lack between the control card in some high-resolution LED display screen control system and receiving card array and in receiving card array inside, higher stability is brought to LED display control system.
The purpose of this utility model also comprises provides a kind of sending card, this sending card is applied to the LED display control system including receiving card array, comprise the video input interface, FPGA and the PHY chip that are connected successively, also comprise the coaxial cable interface for being carried out data interaction by concentric cable and this receiving card array, this coaxial cable interface is connected to this PHY chip.
The purpose of this utility model also comprises provides a kind of asynchronous control-card, this asynchronous control-card is applied to the LED display control system including receiving card array, comprise the video storaging equipment, microprocessor, FPGA, the PHY chip that are connected successively, also comprise the coaxial cable interface for being carried out data interaction by concentric cable and this receiving card array, this coaxial cable interface is connected to this PHY chip.
The purpose of this utility model also comprises provides a kind of receiving card, this receiving card is applied to the LED display control system including control card, comprise the first PHY chip, FPGA and the second PHY chip that are connected successively, also comprise the first coaxial cable interface and the second coaxial cable interface for being carried out data interaction by concentric cable and this control card, this first and second coaxial cable interface is connected to first and second PHY chip respectively.
Above-mentioned explanation is only the general introduction of technical solutions of the utility model, in order to technological means of the present utility model can be better understood, and can be implemented according to the content of instructions, and can become apparent to allow above and other object of the present utility model, feature and advantage, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, be described in detail as follows.
Accompanying drawing explanation
The structural representation of a kind of LED display control system that Fig. 1 provides for the utility model.
A kind of part-structure schematic diagram that Fig. 2 is the concentric cable shown in Fig. 1.
The structural representation of a kind of snap-fit connector that Fig. 3 is the concentric cable shown in Fig. 1.
The structural representation of the another kind of LED display control system that Fig. 4 provides for the utility model.
Embodiment
For further setting forth the utility model for the technological means reaching predetermined object and take and effect, below in conjunction with accompanying drawing and preferred embodiment, to according to the embodiment of the LED display control system that the utility model proposes, method, step, structure, feature and effect, be described in detail as follows.
Relevant aforementioned and other technology contents, Characteristic of the present utility model, can clearly present in following cooperation describes in detail with reference to graphic preferred embodiment.By the explanation of embodiment, when can to the utility model for the technological means reaching predetermined object and take and effect be able to more deeply and concrete understanding, but institute's accompanying drawings is only to provide with reference to the use with explanation, is not used for being limited the utility model.
Please refer to Fig. 1, the structural representation of a kind of LED display control system that Fig. 1 provides for the utility model.As shown in Figure 1, this LED display control system 10 can be synchro system, comprise host computer (not shown), sending card 101, receiving card array (non-label) and concentric cable 300, this host computer is connected with this sending card 101, be connected by this concentric cable 300 between this sending card 101 with this receiving card array, and multiple receiving cards 102 of this receiving card array are connected by this concentric cable 300 cascade.
This sending card 101 comprises the video input interface, field programmable gate array (the Field-Programmable Gate Array that connect successively, FPGA), Physical layer (Physical Layer, and the coaxial cable interface of connecting coaxial cable 300 PHY), preferably, this coaxial cable interface is snap-fit connector (Bayonet Nut Connector, BNC) interface.The video data that this sending card 101 is provided by video input interface reception host computer, and video data is transferred to receiving card array by this concentric cable 300 again after PHY is transferred to FPGA process.
Each receiving card 102 of receiving card array comprises the first coaxial cable interface of the connecting coaxial cable 300 connected successively, a PHY, FPGA, the 2nd PHY and the second coaxial cable interface, first, second coaxial cable interface is used for connecting coaxial cable 300, preferably, this first, second coaxial cable interface is bnc interface.This receiving card 102 receives by this concentric cable 300 video data that this sending card 101 provides, and is supplied to corresponding LED display and shows after PHY is transferred to FPGA process.
Please refer to Fig. 2, a kind of part-structure schematic diagram that Fig. 2 is the concentric cable 300 shown in Fig. 1.As shown in Figure 2, this concentric cable 300 comprises center conductor 3001, insulation material layer 3002 from inside to outside successively, reticulated screen layer 3003 and external isolation insulating material 3004.Particularly, this concentric cable 300 with center conductor 3001 for core, outside this center conductor 3001, be surrounded by insulation material layer 3002, this reticulated screen layer 3003 is looped around on this insulation material layer 3002, and external isolation insulating material 3004 is wrapped in the outermost layer of this concentric cable 300.
Please also refer to the structural representation of a kind of snap-fit connector that Fig. 3, Fig. 3 are the concentric cable 300 shown in Fig. 1.This snap-fit connector is divided into joint 4001 and interface 4002, on the sending card that this interface 4002 is arranged on this LED display control system as bnc interface and receiving card.This joint 4001, can be dead through turn buckle after this interface 4002 of insertion, therefore connects and reliably not easily loosen.
This concentric cable 300 connects this LED display control system sending card by this snap-fit connector is connected multiple receiving cards 102 of this receiving card array inside with receiving card array and cascade, decrease the generation of the situation of the instability of the data transmission caused due to interface loose contact.And this concentric cable 300, such as Belden1694A specification or equivalent specifications, the message transmission rate that can reach is higher, 3Gbps can be reached, even 6Gbs, therefore its message transmission rate is higher than the message transmission rate of netting twine, this means to use the quantity of the comparable use netting twine of the quantity of coaxial cable to lack between control card in some high-resolution LED display screen control system and receiving card array and in receiving card array inside, brings higher stability to LED display control system.
Please refer to Fig. 4, the structural representation of the another kind of LED display control system that Fig. 4 provides for the utility model.This LED display control system 20 can be asynchronous system, comprise asynchronous control-card 201, receiving card array and concentric cable 300, be connected by this concentric cable 300 between this asynchronous control-card 201 with this receiving card array, and multiple receiving cards 202 of this receiving card array are connected by this concentric cable 300 cascade.
This asynchronous control-card 201 comprise connect successively video storaging equipment, microprocessor (as Advanced RISC Machines, ARM), FPGA, PHY and connecting coaxial cable 300 coaxial cable interface, preferably, this interface is bnc interface.This asynchronous control-card 201 by by video data via being deposited in video storaging equipment after Computerized Editing, after ARM and FPGA process, by PHY, this video data is transferred to receiving card array by this concentric cable 300.
Each receiving card 202 of receiving card array comprises the first coaxial cable interface of the connecting coaxial cable 300 connected successively, a PHY, FPGA, the 2nd PHY and the second coaxial cable interface, first, second coaxial cable interface is used for connecting coaxial cable 300, preferably, this first, second coaxial cable interface is bnc interface.This receiving card 202 receives by this concentric cable 300 video data that this asynchronous control-card 201 provides, and after PHY is transferred to FPGA process, is supplied to corresponding LED display shows.
In sum, LED display control system provided by the utility model, utilize concentric cable 300 connect LED display control system control card (as above-mentioned sending card 101 or asynchronous control-card 201 or other types in order to provide video data to the dispensing device of receiving card) and receiving card array be used as transmitting the medium of data, while improving message transmission rate, also improve the stability of data transmission.And concentric cable 300 utilizes snap-fit connector as connector, the connection being compared to network wire crystal joint due to this snap-fit connector relatively reliably not easily loosens, decrease the generation of situation of the instability of the data transmission caused due to interface loose contact, the problem that the data transmission brought when solving the medium utilizing netting twine as transmission data due to LED display control system is further unstable.
The above, it is only the preferred embodiment of utility model, not any pro forma restriction is done to the utility model, although the utility model discloses as above with preferred embodiment, but and be not used to limit the utility model, any those skilled in the art, do not departing within the scope of technical solutions of the utility model, make a little change when the technology contents of above-mentioned announcement can be utilized or be modified to the Equivalent embodiments of equivalent variations, in every case be do not depart from technical solutions of the utility model content, according to any simple modification that technical spirit of the present utility model is done above embodiment, equivalent variations and modification, all still belong in the scope of technical solutions of the utility model.
Claims (11)
1. a LED display control system, it is characterized in that, this LED display control system comprises control card, receiving card array and concentric cable, be connected by this concentric cable between this control card with receiving card array, this receiving card array is multiple receiving cards connected by this concentric cable cascade, and this control card is provided with on each receiving card the coaxial cable interface being connected this concentric cable.
2. LED display control system according to claim 1, is characterized in that, this concentric cable connects this coaxial cable interface by snap-fit connector.
3. LED display control system according to claim 1, is characterized in that, this concentric cable comprises center conductor, insulation material layer from inside to outside successively, reticulated screen layer and external isolation insulating material.
4. LED display control system according to claim 1, is characterized in that, this control card is sending card or asynchronous control-card.
5. LED display control system according to claim 4, is characterized in that, this sending card comprises the video input interface, on-site programmable gate array FPGA, PHY chip and this coaxial cable interface that connect successively.
6. LED display control system according to claim 4, is characterized in that, this asynchronous control-card comprises the video storaging equipment, microprocessor, FPGA, PHY chip and this coaxial cable interface that connect successively.
7. LED display control system according to claim 4, is characterized in that, this receiving card comprises the first coaxial cable interface, the first PHY chip, FPGA, the second PHY chip and the second coaxial cable interface that are connected successively.
8. a sending card, be applied to the LED display control system including receiving card array, comprise the video input interface, FPGA and the PHY chip that are connected successively, it is characterized in that, also comprise the coaxial cable interface for being carried out data interaction by concentric cable and this receiving card array, this coaxial cable interface is connected to this PHY chip.
9. an asynchronous control-card, be applied to the LED display control system including receiving card array, comprise the video storaging equipment, microprocessor, FPGA, the PHY chip that are connected successively, it is characterized in that, also comprise the coaxial cable interface for being carried out data interaction by concentric cable and this receiving card array, this coaxial cable interface is connected to this PHY chip.
10. a receiving card, be applied to the LED display control system including control card, comprise the first PHY chip, FPGA and the second PHY chip that are connected successively, it is characterized in that, also comprise the first coaxial cable interface and the second coaxial cable interface for being carried out data interaction by concentric cable and this control card, this first coaxial cable interface and this second coaxial cable interface are connected to this first PHY chip and this second PHY chip respectively, for carrying out data interaction by concentric cable and this control card or another receiving card.
11. receiving cards according to claim 10, is characterized in that, this control card is sending card or asynchronous control-card.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868698.4U CN204463784U (en) | 2014-12-31 | 2014-12-31 | Sending card, asynchronous control-card, receiving card and LED display control system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420868698.4U CN204463784U (en) | 2014-12-31 | 2014-12-31 | Sending card, asynchronous control-card, receiving card and LED display control system |
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| CN204463784U true CN204463784U (en) | 2015-07-08 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023540A (en) * | 2015-07-31 | 2015-11-04 | 苏州宏展信息科技有限公司 | Data transmission method of LED display screen control system |
| CN105243968A (en) * | 2015-10-15 | 2016-01-13 | 利亚德光电股份有限公司 | LED (light emitting diode) display, LED television, communication method and communication device |
| CN105549930A (en) * | 2015-12-07 | 2016-05-04 | 西安诺瓦电子科技有限公司 | LED display screen control system and USB Type-C adapter |
| CN106448545A (en) * | 2016-10-14 | 2017-02-22 | 深圳雷曼光电科技股份有限公司 | LED display screen control system, receiving card and monitoring board |
| WO2020041937A1 (en) * | 2018-08-27 | 2020-03-05 | 西安诺瓦电子科技有限公司 | Display screen control system and display control card |
-
2014
- 2014-12-31 CN CN201420868698.4U patent/CN204463784U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105023540A (en) * | 2015-07-31 | 2015-11-04 | 苏州宏展信息科技有限公司 | Data transmission method of LED display screen control system |
| CN105243968A (en) * | 2015-10-15 | 2016-01-13 | 利亚德光电股份有限公司 | LED (light emitting diode) display, LED television, communication method and communication device |
| CN105549930A (en) * | 2015-12-07 | 2016-05-04 | 西安诺瓦电子科技有限公司 | LED display screen control system and USB Type-C adapter |
| CN105549930B (en) * | 2015-12-07 | 2019-02-26 | 西安诺瓦电子科技有限公司 | LED display control system and USB Type-C adapter |
| CN106448545A (en) * | 2016-10-14 | 2017-02-22 | 深圳雷曼光电科技股份有限公司 | LED display screen control system, receiving card and monitoring board |
| CN106448545B (en) * | 2016-10-14 | 2023-09-05 | 深圳雷美瑞智能控制有限公司 | LED display screen control system and receiving card and monitoring board thereof |
| WO2020041937A1 (en) * | 2018-08-27 | 2020-03-05 | 西安诺瓦电子科技有限公司 | Display screen control system and display control card |
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Address after: 710075 DEF101, Zero One Square, Xi'an Software Park, No. 72 Zhangbajie Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province Patentee after: XI'AN NOVASTAR TECH Co.,Ltd. Address before: 710075 Qinfengge D District 401, Xi'an Software Park, 68 Science and Technology Second Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: Xi'an NovaStar Tech Co.,Ltd. |