CN205564253U - First full -color LED display control card of door and first full -color LED display screen system of door - Google Patents
First full -color LED display control card of door and first full -color LED display screen system of door Download PDFInfo
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- CN205564253U CN205564253U CN201620323295.0U CN201620323295U CN205564253U CN 205564253 U CN205564253 U CN 205564253U CN 201620323295 U CN201620323295 U CN 201620323295U CN 205564253 U CN205564253 U CN 205564253U
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- led display
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- door
- door head
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Abstract
The utility model relates to a first full -color LED display control card of door and adoption the first full -color LED display screen system of door of the first full -color LED display control card of door. The first full -color LED display control card of door includes: embedded microprocessor, programmable logic device, embedded microprocessor is connected to the electricity, nonvolatile memory, embedded microprocessor is connected to the electricity, dynamic RAM), programmable logic device is connected to the electricity, the display driver circuit, programmable logic device is connected to the electricity, and a plurality of lamp plate interfaces, the display driver circuit is connected to the electricity. Therefore, the utility model discloses can realize each item demand function of the first full -color LED of door control with lower cost, and utilize embedded microprocessor + programmable logic device's combination framework to realize the control of the first full -color LED of door, thereby can replace list / double -colored status in the LED trade gradually, solve single / double -colored door head and show that the tone is single, show the too big shortcoming of content restriction.
Description
Technical field
This utility model relates to LED display control technology field, full-color particularly to a kind of door
LED display control card and a kind of door head full-color LED display screen system.
Background technology
LED (Light-emitting Diode, light emitting diode) display screen system is as novel display
Technology, is gradually acceptable to the market with its energy-saving and environmental protection, the advantage such as highlighted, thus is widely used
In fields such as city medium, urban transportations.
Current increasing retail shop, supermarket, bank etc. have employed a head LED display and come to visitor
Some useful information is shown at family.The most modal mono-/bis-color LED door head product leads at present
It is commonly used to show some words rolled, time or some simple picture and animation, from color
Field can be divided into two kinds: monochrome display and double-colored display, on monochromatic display expression LED display only
Can show a kind of color, the most red and tonal gradation is 1；Double-colored display represents that LED shows
On screen, each pixel is the LED of two kinds of colors, the most red and green, can show three kinds
Color, is red, green, yellow respectively, and the tonal gradation of each color is 1 too.And mono-/bis-color
LED display is typically with mono-/bis-color LED display control card and drives, its typically with
One piece of ARM as main control chip, simple in construction, with low cost, workmanship is required low.But,
Owing to the Show Color of mono-/bis-color LED door head product support is single, it is impossible to show some multiple face
The picture of colour cell one-tenth or animation, application limitation is relatively big, and along with the fall of door full-color scheme cost
Low, the cost advantage of mono-/bis-color scheme is fading away, and the coming years will be replaced.
All-colour LED door head product is the feelings only having red light and green light at original dual-colored LED display screen
Add blue lamp under condition, be combined into full-color display effect by RGB.Further, all-colour LED door
RGB each color is all supported 256 grades of gray scales by the LED display control card of head product, support
Color category quantity is 256*256*256, is significantly larger than a kind and the 3 of double-colored display of monochrome display
Kind, display effect is greatly improved, such that it is able to show more gorgeous picture and animation effect.But,
User is mainly by using high-end all-colour LED display Embedded Asynchronous control card to come real at present
The existing full-color display of door, but its required cost will be greatly increased, an asynchronous control of all-colour LED
Fabrication many hundreds at least unit, the most many thousands of unit, for field full-color for door, its practicality
The lowest with cost performance.And, existing asynchronous all-colour LED control program is more complicated, uses difficulty
Relatively big, for being accustomed to the use of the user of mono-/bis-color scheme, use extremely inconvenience.
Utility model content
Therefore, for defect of the prior art and deficiency, the utility model proposes a kind of door head complete
Color LED display control card and a kind of door head full-color LED display screen system.
Specifically, a kind of door head all-colour LED display control that an embodiment of the present utility model proposes
Fabrication, including: embedded microprocessor；PLD, electrically connects described embedding and declines
Processor；Nonvolatile memory, electrically connects described embedded microprocessor；Dynamic random stores
Device, electrically connects described PLD；Display driver circuit, electrically connects described able to programme patrol
Collect device；And multiple lamp plate interface, electrically connect described display driver circuit.
In an embodiment of the present utility model, described embedded microprocessor is able to programme with described
It is formed with indicated data communication passage and parameter communication port by PCB trace between logical device
Two independent communication ports.
In an embodiment of the present utility model, described PLD is FPGA.
In an embodiment of the present utility model, described display driver circuit includes that multiple signal increases
Strong chip, is formed with the plurality of lamp plate interface respectively and electrically connects.
In an embodiment of the present utility model, the plurality of lamp plate interface is respectively multiple winding displacement
Interface.
In an embodiment of the present utility model, described door head all-colour LED display control card also wraps
Include: ethernet module and USB module, be electrically connected described embedded microprocessor.
In an embodiment of the present utility model, described door head all-colour LED display control card also wraps
Include: serial ports and button, be electrically connected described embedded microprocessor.
In an embodiment of the present utility model, described door head all-colour LED display control card is single
Board structure of circuit, thus described embedded microprocessor, described PLD, described non-
Volatile memory, described dynamic RAM, described display driver circuit and the plurality of lamp
Plate interface is arranged on same circuit board.
In an embodiment of the present utility model, described nonvolatile memory is flash memory.
Additionally, a kind of door head full-color LED display screen system that embodiment of the present utility model proposes
System, shows including a head full-color LED display screen and any one head all-colour LED aforementioned and controls
Card, and described door head full-color LED display screen electrical connection described door head all-colour LED display control
Part or all of lamp plate interface in the plurality of lamp plate interface of card.
From the foregoing, it will be observed that embodiment of the present utility model realizes door head all-colour LED control with relatively low cost
Every appellative function of system, and utilize the combined bay of embedded microprocessor+PLD
Structure realizes door head all-colour LED and controls；Therefore can meet the market demand, gradually replace mono-/bis-
Color status in LED industry；Door head LED can be enriched and show field, let user experiencing
More gorgeous door head display effect, display content is abundanter, solves mono-/bis-color door head display color
Adjust single, the shortcoming that display content constraints is the biggest；And can be door head colorful advertisement neck in the future
Territory provides indispensable hardware platform, adapts to the subsequent request in market, is also that LED door head industry is advanced
A main trend.
By the detailed description below with reference to accompanying drawing, other side of the present utility model and feature become
Substantially.It is understood that this accompanying drawing is only the purpose design explained rather than as this reality
Restriction by novel scope.It should also be noted that unless otherwise noted, it is not necessary to scale
Accompanying drawing, they only try hard to structure described herein and flow process are described conceptually.
Accompanying drawing explanation
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.
Fig. 1 is the mould of a kind of the head full-color LED display screen system that this utility model embodiment proposes
Block schematic diagram.
Fig. 2 is a germline of the door head full-color LED display screen system that this utility model embodiment proposes
System running figure.
Detailed description of the invention
Understandable for enabling above-mentioned purpose of the present utility model, feature and advantage to become apparent from, below
In conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.
Referring to Fig. 1, a kind of door head all-colour LED that an embodiment of the present utility model proposes shows
Display screen system 10 includes: door head all-colour LED display control card 11 and electrical connection door head all-colour LED
The door head full-color LED display screen 13 of display control card 11.Door head all-colour LED display control card
11 are preferably single circuit plate structure, and it includes that the embedding being arranged on same circuit board declines process
Device 111, flash memory 112, ethernet module 113, USB module 114, serial ports 115, button 116,
Power module 117, PLD 118, dynamic RAM 119, display drive electricity
Road 120 and multiple lamp plate interface 121.
Embedded microprocessor 111 e.g. arm processor, it is as the master controller of system,
Main be responsible for from host computer obtain screen and LED lamp panel parameter, content parameters and to be shown in
Holding data, acquisition mode can be to be the mode such as USB flash disk, Ethernet.Owing to being asynchronous system, therefore
Need disposably to get all of data and parameter and be stored in embedded microprocessor 111 afterwards and hang
In the flash memory 112 as non-volatile memory modules carried, hereafter can disconnect, and according to
The content parameters video data to getting carries out classification process, including algorithm special effect processing, display
Task scheduling processing etc., and will process after video data be sent to PLD 118 example
Such as FPGA (Field Programmable Gate Array, field programmable gate array).To compiling
Before journey logical device 118 sends video data, embedded microprocessor 111 first has to screen
And the configuration parameter of LED lamp panel parameter and other users (includes that Gamma configuration, brightness are joined
Put) it is sent to PLD 118, treat that PLD 118 is according to these parameters
Display data content can be sent after configuration is good.
PLD 118 is for by embedded microprocessor 111 computing and showing of handling well
Registration is according to carrying out after-treatment, including Gamma correction, brightness regulation, gray level adjustment etc.,
Make display effect more gorgeous, and the video data that after-treatment is complete is carried out data reverse fit
Answer LED lamp panel, and then output display.Gamma correction, brightness regulation, gray level are adjusted
The parameter such as whole, needs to be obtained by SPI interface or serial ports from embedded microprocessor 111, as long as
Embedded microprocessor 111 sends the parameter of correspondence, and PLD 118 is the most immediately to ginseng
Number is updated, and configures output display according to most recent parameters.
And for other modules of door head all-colour LED display control card: flash memory 112 is as system
System main memory module, for storing display data content and the content of parameter that host computer is given, its
It is of course possible to replace to other nonvolatile memories；Ethernet module 113 is for full-color for door
LED display control card and host computer such as PC carry out ethernet communication, and full-color at door
LED display control card 11 is to control ethernet communication with embedded microprocessor 111；USB
Module 114 makes to support USB flash disk identification for door head all-colour LED display control card, and user passes through PC
The video data prepared is imported USB flash disk by machine software in the form of a file, and it is complete that USB flash disk inserts door head
In color LED display control card 11, door head all-colour LED display control card 11 i.e. can resolve this
File also obtains video data, it is achieved usb communication；Serial ports 115 mainly does debugging and uses；Button
116 are used for self-test function；Power module 117 is used for providing multiple voltage, comprise 5V, 3.3V,
2.5V, 1.8V, 1.2V etc., to supply to the modules of door head all-colour LED display control card 11
Electricity；Dynamic RAM 119 is as the caching of PLD 118；Display drives mould
The display content that PLD 118 is exported by block 120 plays signal potentiation, it is ensured that pass
To the accuracy of the data of LED lamp panel, it can use 74HC245 series of signals to strengthen chip
And the quantity of quantity and lamp plate interface 121 matches；Lamp plate interface 121 electrical connection display drives electricity
Road 120, it is for connecting the LED lamp panel in door head full-color LED display screen 13, and lamp plate connects
Mouth 121 typically winding displacement interface.
Furthermore, the communication between embedded microprocessor 111 and PLD 118 includes
Indicated data communication communicates with parameter.Wherein, the mode of indicated data communication has a variety of, such as
LCD Controller mode, also will treat as LCDs (LCD by PLD 118
Screen) mode send video data, it is also possible to be parallel port mode, bus mode etc.；Parameter communication one
As be the serial communication mode such as serial ports or SPI.In brief, embedded microprocessor 111 and can
It is formed with indicated data communication passage by PCB trace between programmed logic device 118 and parameter is led to
Letter two independent communication ports of passage.
For ease of further understanding the door head full-color LED display screen system that the present embodiment proposes
10, below in conjunction with the Fig. 2 system to the door head full-color LED display screen system 10 of the present embodiment
Running is described as follows, and is wherein to decline place using ARM and FPGA as embedding
Reason device 111 and the citing of PLD 118, but it is not used for limiting this utility model.
Specifically:
First, carrying out starting and initializing: after system electrification, ARM loads from flash memory 112
FPGA program, reloads until loading successfully if loaded the most again；When loading FPGA journey
After sequence success, ARM sends parameters to FPGA and time delay waits FPGA configuration successful.
Then, carry out following circulation continuous processing: ARM carries out algorithm process to video data,
And the video data after processing sends to FPGA, FPGA video data is carried out secondary
Reason also finally carries out display output.
Additionally, when detecting that host computer have sent video data and parameter updates, then ARM updates
Parameter and video data the parameters after updating are sent to FPGA and configure.
In sum, this utility model previous embodiment is that to realize door with relatively low cost full-color
Every appellative function that LED display controls, and operating process and mono-/bis-color LED display control card
Similar, it is different from tradition mono-/bis-color LED display control card and uses simple ARM framework, this reality
It is to use embedded microprocessor+PLD (such as by novel previous embodiment
ARM+FPGA) combo architectures realizes the display of door head all-colour LED and controls.Therefore this utility model
Following one or more beneficial effect can be reached: 1) meet the market demand, gradually replace mono-/bis-color
Display status in LED industry；2) abundant door head LED shows field, lets user experiencing
More gorgeous door head display effect, display content is abundanter, solves mono-/bis-color door head display color
Adjust single, the shortcoming that display content constraints is the biggest；And 3) it is door head colorful advertisement field in the future
Indispensable hardware platform is provided, adapts to the subsequent request in market, be also that LED door head industry is advanced
One main trend.
The above, be only preferred embodiment of the present utility model, not to this utility model
Make any pro forma restriction, although this utility model is disclosed above with preferred embodiment, but
Being not limited to this utility model, any those skilled in the art, without departing from this practicality
In new technique aspects, when the technology contents of available the disclosure above makes a little change or repaiies
Decorations are the Equivalent embodiments of equivalent variations, as long as being without departing from technical solutions of the utility model content,
Any simple modification, the equivalent made above example according to technical spirit of the present utility model become
Change and modify, all still falling within the range of technical solutions of the utility model.
Claims (10)
1. a door head all-colour LED display control card, including embedded microprocessor；Its feature exists
In, described door head all-colour LED display control card also includes:
PLD, electrically connects described embedded microprocessor；
Nonvolatile memory, electrically connects described embedded microprocessor；
Dynamic RAM, electrically connects described PLD；
Display driver circuit, electrically connects described PLD；And
Multiple lamp plate interfaces, electrically connect described display driver circuit.
2. door head all-colour LED display control card as claimed in claim 1, it is characterised in that institute
State be formed by PCB trace between embedded microprocessor and described PLD aobvious
Show data communication channel and two independent communication ports of parameter communication port.
3. door head all-colour LED display control card as claimed in claim 1, it is characterised in that institute
Stating PLD is FPGA.
4. door head all-colour LED display control card as claimed in claim 1, it is characterised in that institute
State display driver circuit and include that multiple signal strengthens chip, formed with the plurality of lamp plate interface respectively
Electrical connection.
5. door head all-colour LED display control card as claimed in claim 1, it is characterised in that institute
State multiple lamp plate interface and be respectively multiple winding displacement interface.
6. door head all-colour LED display control card as claimed in claim 1, it is characterised in that also
Including: ethernet module and USB module, it is electrically connected described embedded microprocessor.
7. door head all-colour LED display control card as claimed in claim 1, it is characterised in that also
Including: serial ports and button, it is electrically connected described embedded microprocessor.
8. door head all-colour LED display control card as claimed in claim 1, it is characterised in that institute
Stating a head all-colour LED display control card is single circuit plate structure, thus described embedded microprocessor,
Described PLD, described nonvolatile memory, described dynamic RAM, institute
State display driver circuit and the plurality of lamp plate interface is arranged on same circuit board.
9. door head all-colour LED display control card as claimed in claim 1, it is characterised in that institute
Stating nonvolatile memory is flash memory.
10. a door head full-color LED display screen system, including a head full-color LED display screen and such as
Door head all-colour LED display control card described in claim 1 to 9 any one, and described door
Head full-color LED display screen electrically connects the plurality of lamp of described door head all-colour LED display control card
Part or all of lamp plate interface in plate interface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620323295.0U CN205564253U (en) | 2016-04-18 | 2016-04-18 | First full -color LED display control card of door and first full -color LED display screen system of door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620323295.0U CN205564253U (en) | 2016-04-18 | 2016-04-18 | First full -color LED display control card of door and first full -color LED display screen system of door |
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| CN205564253U true CN205564253U (en) | 2016-09-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620323295.0U Active CN205564253U (en) | 2016-04-18 | 2016-04-18 | First full -color LED display control card of door and first full -color LED display screen system of door |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106686803A (en) * | 2016-11-28 | 2017-05-17 | 广西师范大学 | FPGA-based LED landscape lamp control system |
| CN109215565A (en) * | 2018-09-21 | 2019-01-15 | 华中科技大学 | A kind of reception card, data storage dispatching method and LED display control program |
| CN109427288A (en) * | 2017-08-31 | 2019-03-05 | 西安诺瓦电子科技有限公司 | Displaying screen controller, display control program and method |
| CN111324321A (en) * | 2018-12-14 | 2020-06-23 | 西安诺瓦星云科技股份有限公司 | Display control card, display control system and vehicle |
| CN112346679A (en) * | 2019-08-07 | 2021-02-09 | 西安诺瓦星云科技股份有限公司 | Multi-display screen control system, display system and multi-display screen control method |
| CN112951148A (en) * | 2019-12-09 | 2021-06-11 | 西安诺瓦星云科技股份有限公司 | Two-in-one multimedia playing box, display screen splicing configurator and splicing type display system |
| CN112992044A (en) * | 2019-11-29 | 2021-06-18 | 西安诺瓦星云科技股份有限公司 | Display screen controller, display screen control system and LED display system |
| CN113765941A (en) * | 2020-05-29 | 2021-12-07 | 西安诺瓦星云科技股份有限公司 | LED display screen controller, LED display screen control system and service data processing method |
-
2016
- 2016-04-18 CN CN201620323295.0U patent/CN205564253U/en active Active
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106686803A (en) * | 2016-11-28 | 2017-05-17 | 广西师范大学 | FPGA-based LED landscape lamp control system |
| CN109427288A (en) * | 2017-08-31 | 2019-03-05 | 西安诺瓦电子科技有限公司 | Displaying screen controller, display control program and method |
| CN109215565A (en) * | 2018-09-21 | 2019-01-15 | 华中科技大学 | A kind of reception card, data storage dispatching method and LED display control program |
| CN109215565B (en) * | 2018-09-21 | 2020-07-10 | 华中科技大学 | Receiving card and L ED display control system |
| CN111324321A (en) * | 2018-12-14 | 2020-06-23 | 西安诺瓦星云科技股份有限公司 | Display control card, display control system and vehicle |
| CN112346679A (en) * | 2019-08-07 | 2021-02-09 | 西安诺瓦星云科技股份有限公司 | Multi-display screen control system, display system and multi-display screen control method |
| CN112346679B (en) * | 2019-08-07 | 2024-01-09 | 西安诺瓦星云科技股份有限公司 | Multi-display control system, display system and multi-display control method |
| CN112992044A (en) * | 2019-11-29 | 2021-06-18 | 西安诺瓦星云科技股份有限公司 | Display screen controller, display screen control system and LED display system |
| CN112951148A (en) * | 2019-12-09 | 2021-06-11 | 西安诺瓦星云科技股份有限公司 | Two-in-one multimedia playing box, display screen splicing configurator and splicing type display system |
| CN112951148B (en) * | 2019-12-09 | 2024-03-15 | 西安诺瓦星云科技股份有限公司 | Two-in-one multimedia playing box, display screen splicing configurator and spliced display system |
| CN113765941A (en) * | 2020-05-29 | 2021-12-07 | 西安诺瓦星云科技股份有限公司 | LED display screen controller, LED display screen control system and service data processing method |
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| CP03 | Change of name, title or address |
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. |