CN205050538U - Led asynchronous control card and led display system - Google Patents
Led asynchronous control card and led display system Download PDFInfo
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- CN205050538U CN205050538U CN201520754688.2U CN201520754688U CN205050538U CN 205050538 U CN205050538 U CN 205050538U CN 201520754688 U CN201520754688 U CN 201520754688U CN 205050538 U CN205050538 U CN 205050538U
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Abstract
The utility model relates to a LED the asynchronous control card, include: host system, be used for that the LED lamp plate is connected to the card and the electricity is connected through receiving host system's ethernet module, electricity are connected host system's volatibility storage module and non -volatile storage module and electricity connection host system's power module. Furthermore, the LED asynchronous control card still includes: video input extension daughter board interface, the electricity is connected host system. The utility model discloses can external video input extension daughter board to can realize that the input of multiple video source supplies the subscriber selection. Additionally, the utility model provides an adopt the LED display system of LED asynchronous control card.
Description
Technical field
The utility model relates to LED display control technology field, particularly a kind of LED asynchronous control-card and a kind of LED display system.
Background technology
Embedded OS (EmbeddedOperatingSystem, be called for short EOS) refer to operating system for embedded system, it is a kind of broad-spectrum system software, generally includes hardware-related bottom layer driving software, system kernel, device drives interface, communication protocol, graphical interfaces, standardization browser etc.Embedded OS is responsible for distribution, the task scheduling of whole soft and hardware resources of embedded system, controls and coordinates concurrent activities; It must embody the feature of its place system, can reach function required by embedded system by handling certain module.Have in the widely used operating system in embedded system field at present: built-in Linux, WindowsEmbedded (such as WinCE6.0), VxWorks etc., and be applied in Android, iOS etc. of smart mobile phone and panel computer.
The feature of embedded OS mainly contains: system kernel is little, specificity is strong, system is simplified, high real-time, multitask, the specific developing instrument of needs and environment etc.Embedded system is carried out a kind of trend that the design of some peripheral functions and exploitation are also social electronic product control system development now.
Along with developing rapidly of LED display technique, the release that various LED display drive scheme also emerges in an endless stream.Fig. 1 is the hardware configuration schematic diagram of existing LED asynchronous control system, and it mainly carries FPGA with low performance ARM and is formed main control module to realize, and whole system Design of Hardware Architecture pattern is single, affects broadcast performance from root.
Utility model content
Therefore, for defect of the prior art and deficiency, the utility model proposes a kind of LED asynchronous control-card and a kind of LED display system.
Particularly, a kind of LED asynchronous control-card that embodiment of the present utility model proposes, comprising: main control module, for connecting LED lamp panel by receiving card and being electrically connected the ethernet module of described main control module, the volatile storage module being electrically connected described main control module and non-volatile memory modules and being electrically connected the power module of described main control module.In addition, described LED asynchronous control-card also comprises: video input expansion daughterboard interface, is electrically connected described main control module.
In an embodiment of the present utility model, described main control module is the processor chips based on ARM, the described Ethernet media interface based on the processor chips of ARM of described ethernet module electrical connection.
In an embodiment of the present utility model, described video input expansion daughterboard interface is terminal block, and described LED asynchronous control-card is single circuit plate structure.
In an embodiment of the present utility model, described LED asynchronous control-card also comprises HDMI and monitors output module, is electrically connected described main control module.
In an embodiment of the present utility model, described LED asynchronous control-card also comprises PCI-E interface, is electrically connected described main control module.
In an embodiment of the present utility model, described LED asynchronous control-card also comprises USBHUB chip, WiFi module and SMA interface, described USBHUB chip electrical connects described main control module, and described WiFi module is connected electrically between described USBHUB chip and described SMA interface.
In an embodiment of the present utility model, described LED asynchronous control-card also comprises USB interface and SATA interface, is all electrically connected described main control module.
In an embodiment of the present utility model, described LED asynchronous control-card also comprises infrared remote control module, is electrically connected described main control module.
In an embodiment of the present utility model, described LED asynchronous control-card also comprises serial port module, RS485 interface, audio-frequency module, the first USB interface, USBHUB chip and secondary USB interface, described serial port module, described RS485 interface, described audio-frequency module, described first USB interface and described USBHUB chip are all electrically connected described main control module, and described secondary USB interface connects described main control module by described USBHUB chip electrical.
In addition, a kind of LED display system that an embodiment of the present utility model proposes, comprises LED lamp panel, receiving card and any one LED asynchronous control-card aforementioned.Wherein, described LED asynchronous control-card is connected to described LED lamp panel by described ethernet module via described receiving card.
As from the foregoing, embodiment of the present utility model can reach following one or more beneficial effect: 1) can realize the input of various video source and select for user; 2) processor chips based on ARM directly can be with year receiving card, save FPGA, save hardware design expense; 3) can meet the intelligent demand of user, user experience is better; 4) support that multiple hardwares peripheral hardware is if the modules such as WiFi/3G/4G/GPS are for the configuration of user's elasticity; 5) there is the expansion of more interaction functions; And 6) massive store can be realized and can equipment be extended out.
By the detailed description below with reference to accompanying drawing, other side of the present utility model and feature become obvious.But it should be known that this accompanying drawing is only the object design of explanation, instead of as the restriction of scope of the present utility model, this is because it should with reference to additional claim.Should also be appreciated that, unless otherwise noted, unnecessaryly draw accompanying drawing to scale, they only try hard to structure described herein and flow process are described conceptually.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Fig. 1 is the hardware configuration schematic diagram of a kind of LED asynchronous control-card of the prior art.
Fig. 2 is the hardware configuration schematic diagram of the LED asynchronous control-card being relevant to embodiment of the present utility model.
Embodiment
For enabling above-mentioned purpose of the present utility model, feature and advantage become apparent more, are described in detail embodiment of the present utility model below in conjunction with accompanying drawing.
Refer to Fig. 2, a kind of LED asynchronous control-card 20 that an embodiment of the present utility model proposes comprises: based on the processor chips 201 of ARM, power module 203, DDR memory modules 205, flash memory module 207, serial port module 209, RS485 interface 211, HDMI monitors output module 213, video input expansion daughterboard interface 215, USBHUB chip 217, secondary USB interface 219, WiFi module 221, SMA interface 223, first USB interface 225, PCI-E interface 227, infrared remote control module 229, SATA interface 231, audio-frequency module 233, second ethernet module 235, and first ethernet module 237.Moreover the LED asynchronous control-card 20 of the present embodiment can go out a kind of LED display system with receiving card and LED lamp panel framework.
Hold above-mentioned, based on the processor chips 201 of ARM as the main control module of LED asynchronous control-card 20, it is the master control core that whole system is run, operation system (such as Linux after powering on, the operating systems such as Android) and the relevant application software of function, control various external unit and play function.In the present embodiment, the processor chips 201 based on ARM select high-performance ARM as master chip, and it is such as the Hi3716CV200 processor chips that Huawei sea thinks to release, but the utility model is not as limit.In addition, the utility model does not get rid of use ARM+FPGA framework of the prior art as main control module.
Power module 203 comprises system power supply and external power, and system power supply adopts discrete power module to design and powers to based on the processor chips 201 of ARM and the key modules such as DDR memory modules 205, flash memory module 207; Power module is designed with an external power special shunt in addition, to ensure the peripheral equipment requirements such as large ripple low in energy consumption.
DDR memory modules 205 is electrically connected the processor chips 201 based on ARM, its necessary module normally run for system, is the module doing data and the use of program operation memory transactions; Adopt high speed DDR3 storage chip to ensure system high-speed stable operation in the present embodiment.Certainly, be understandable that, DDR memory modules 205 is not limited to adopt DDR3 storage chip, also can adopt other volatile memory.
Flash memory module 207 is electrically connected the processor chips 201 based on ARM, and it is the power down non-volatile memory module of system and user storage data and program; EMMC (EmbeddedMultiMediaCard, embedded multi-media card) flash memory is adopted, desired data and video when its massive store had can ensure that user stores a large amount of broadcastings in the present embodiment.Certainly, be understandable that, flash memory module 207 also can replace to other non-volatile memory modules.
Serial port module 209 is electrically connected the processor chips 201 based on ARM, and it can connect RS232 peripheral hardware for user or debug as developer.
RS485 interface 211 is electrically connected the processor chips 201 based on ARM, and it is mainly used for connecting peripheral checkout equipment, as light probe etc.
HDMI monitoring output module 213 is electrically connected the processor chips 201 based on ARM, it is connected directly to monitoring screen for this module of user and checks system cloud gray model interface, running status and real-time video broadcasting situation etc., user is also by the direct configuration-system of which and playout software in addition, convenient directly perceived.
Video input expansion daughterboard interface 215 is expansion interface reserved on LED asynchronous control-card 20, and it can be expanded daughter board (not drawing in Fig. 2) with video input and be connected to receive the input of multiple external video source; In addition, use plate to carry button and switch or directly software control, can realize the switching of inside and outside video source, the selection of its exterior video source kind has been enriched in the design of this expansion interface.Such as, the video input expansion daughter board that video input expansion daughterboard interface 215 is external provides AV video interface and HDMI video interface.Video input expansion daughterboard interface 215 can be specifically terminal block, thus video input expansion daughter board can be connected by terminal block with the processor chips 201 based on ARM.
The USB interface that USBHUB chip 217 is such as electrically connected to based on the processor chips 201 of ARM uses as USB interface expansion, such as expand secondary USB interface 219, the USB interface 219 expanded can circumscribed USB storage equipment, also can other USB device such as external access of mouse keyboard.
WiFi module 221 is electrically connected the processor chips 201 based on ARM by USBHUB chip 217, and this WiFi module 221 has the common functions such as AP focus, adopts SMA interface 223 to be connected to machine shell panel with external special WiFi antenna in Antenna Design, strengthens signal; Herein, SMA interface 223 is electrically connected WiFi module 221.
First USB interface 225 is electrically connected to the USB interface of the processor chips 201 based on ARM, and its quantity can be one, also can be multiple.
PCI-E interface 227 is electrically connected the processor chips 201 based on ARM, its plate being LED asynchronous control-card 20 carries spare interface, through power module optimization and data-signal and layout optimization, user can use this interface to connect 3G/4G/GPS etc. and extend out module for the abundanter expanded function of system increase.In addition, adopt non-on-board sub-miniature A connector in the present embodiment, be connected directly to machine shell panel extend out antenna to connect by radio frequency line, this kind of design makes installation convenient and saves plate to carry space, and can ensure antenna radio-frequency signal quality.
Infrared remote control module 229 is electrically connected the processor chips 201 based on ARM, and it can make user adopt infrared equipment input control or transmission data, controls video playback as used Infrared remote controller.
SATA interface 231 is electrically connected the processor chips 201 based on ARM, it can external SATA (SerialAdvancedTechnologyAttachment, Serial Advanced Technology Attachment) equipment, be mainly used in massive store hard disk to extend out, make user can conveniently with larger storage space or directly connect user and provide hard disc apparatus for oneself.In addition, in the present embodiment, provide plate to carry SATA power interface, more conveniently when user is used need not carry SATA external power source.
Audio-frequency module 233 is electrically connected the processor chips 201 based on ARM, and it can make system export corresponding audio frequency when playing video, or play-overs audio frequency; Such as adopt standard 3.5MM audio interface and plate to carry power amplifier module in the present embodiment, driving force can be made more powerful.
First ethernet module 237 is such as kilomega network module, its electrical connection is based on Ethernet media interface such as RGMII (ReducedGigabitMediaIndependentInterface the simplifies gigabit Media Independent Interface) interface of the processor chips 201 of ARM.Moreover the first ethernet module 237 can be connected by the LED lamp panel of receiving card with one or more cascade.In addition, more specifically, the first ethernet module 237 such as comprises ethernet PHY chip, network transformer and RJ45 network interface.
Second ethernet module 235 is electrically connected Ethernet media interface such as FastEthernet (Fast Ethernet) interface based on the processor chips 201 of ARM, its corresponding second ethernet module 235 is 100,000,000 net modules, thus can as based on the processor chips 201 of ARM and the bridge communicated between outer PC.
As from the foregoing, the LED asynchronous control-card 20 that the utility model above-described embodiment proposes can have following characteristics:
A) on hardware configuration, adopt single circuit plate structure to design, external video input adopts expansion daughter board design and arranges plate carries video input expansion daughterboard interface 215 for connection, and it facilitates housing design;
B) support that playing video source switches, and have video monitoring data interface (corresponding HDMI monitors output module 213);
C) support PCI-E interface 3G/4G/GPS module, have employed antenna structure and strengthen design;
D) WiFi module is supported;
E) Radio infrared remote control is supported;
F) processor chips 201 based on ARM are used directly to carry LED lamp panel by ethernet module 237 output display data to receiving cassette tape;
G) plate carries massive store space, supports USB, SATA mass-memory unit.
In addition, be understandable that, LED asynchronous control-card of the present utility model is not limited to all elements be provided with shown in Fig. 2, also can increase or clipped element according to actual conditions elasticity, as long as it supports that external video input is expanded daughter board and can drived control LED lamp panel carry out showing.
In sum, each embodiment of the utility model can reach following one or more beneficial effect: 1) can realize the input of various video source and select for user; 2) processor chips based on ARM directly can be with year receiving card, save FPGA, save hardware design expense; 3) can meet the intelligent demand of user, user experience is better; 4) support that multiple hardwares peripheral hardware is if the modules such as WiFi/3G/4G/GPS are for the configuration of user's elasticity; 5) there is the expansion of more interaction functions; And 6) massive store can be realized and can equipment be extended out.
The above, it is only preferred embodiment of the present 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 (10)
1. a LED asynchronous control-card, comprising: main control module, for connecting LED lamp panel and be electrically connected the ethernet module of described main control module, the volatile storage module being electrically connected described main control module and non-volatile memory modules and be electrically connected the power module of described main control module by receiving card; It is characterized in that, described LED asynchronous control-card also comprises:
Video input expansion daughterboard interface, is electrically connected described main control module.
2. LED asynchronous control-card as claimed in claim 1, it is characterized in that, described main control module is the processor chips based on ARM, the described Ethernet media interface based on the processor chips of ARM of described ethernet module electrical connection.
3. LED asynchronous control-card as claimed in claim 1, is characterized in that, described video input expansion daughterboard interface is terminal block, and described LED asynchronous control-card is single circuit plate structure.
4. LED asynchronous control-card as claimed in claim 1, is characterized in that, also comprises HDMI and monitors output module, be electrically connected described main control module.
5. LED asynchronous control-card as claimed in claim 1, is characterized in that, also comprise PCI-E interface, be electrically connected described main control module.
6. LED asynchronous control-card as claimed in claim 1, it is characterized in that, also comprise USBHUB chip, WiFi module and SMA interface, described USBHUB chip electrical connects described main control module, and described WiFi module is connected electrically between described USBHUB chip and described SMA interface.
7. LED asynchronous control-card as claimed in claim 1, is characterized in that, also comprise USB interface and SATA interface, be all electrically connected described main control module.
8. LED asynchronous control-card as claimed in claim 1, is characterized in that, also comprise infrared remote control module, be electrically connected described main control module.
9. LED asynchronous control-card as claimed in claim 1, it is characterized in that, also comprise serial port module, RS485 interface, audio-frequency module, the first USB interface, USBHUB chip and secondary USB interface, described serial port module, described RS485 interface, described audio-frequency module, described first USB interface and described USBHUB chip are all electrically connected described main control module, and described secondary USB interface connects described main control module by described USBHUB chip electrical.
10. a LED display system, comprises LED lamp panel, receiving card and the LED asynchronous control-card as described in claim 1 to 9 any one; Wherein, described LED asynchronous control-card is connected to described LED lamp panel by described ethernet module via described receiving card.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520754688.2U CN205050538U (en) | 2015-09-28 | 2015-09-28 | Led asynchronous control card and led display system |
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| CN201520754688.2U CN205050538U (en) | 2015-09-28 | 2015-09-28 | Led asynchronous control card and led display system |
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| CN205050538U true CN205050538U (en) | 2016-02-24 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106878394A (en) * | 2017-01-18 | 2017-06-20 | 上海诣阔软件有限公司 | A kind of asynchronous cloud control card systems of LED |
| CN107086020A (en) * | 2017-07-03 | 2017-08-22 | 四川忆思科技有限公司 | A kind of WIFI display boards |
| CN113552818A (en) * | 2020-04-24 | 2021-10-26 | 京东方科技集团股份有限公司 | Communication module |
-
2015
- 2015-09-28 CN CN201520754688.2U patent/CN205050538U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106878394A (en) * | 2017-01-18 | 2017-06-20 | 上海诣阔软件有限公司 | A kind of asynchronous cloud control card systems of LED |
| CN106878394B (en) * | 2017-01-18 | 2020-02-21 | 上海诣阔软件有限公司 | Asynchronous cloud control card system of LED |
| CN107086020A (en) * | 2017-07-03 | 2017-08-22 | 四川忆思科技有限公司 | A kind of WIFI display boards |
| CN113552818A (en) * | 2020-04-24 | 2021-10-26 | 京东方科技集团股份有限公司 | Communication module |
| CN113552818B (en) * | 2020-04-24 | 2024-03-22 | 京东方科技集团股份有限公司 | Communication module |
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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. |