CN105321463A - Display screen control system - Google Patents
Display screen control system Download PDFInfo
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- CN105321463A CN105321463A CN201510691577.6A CN201510691577A CN105321463A CN 105321463 A CN105321463 A CN 105321463A CN 201510691577 A CN201510691577 A CN 201510691577A CN 105321463 A CN105321463 A CN 105321463A
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- display screen
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Abstract
The invention discloses a display screen control system. The display screen control system comprises an upper PC (personal computer), a sending card, a receiving card, a controller and an LED (light emitting diode) display screen. A row-column driving circuit module is arranged in the LED display screen, the upper PC is responsible for acquiring and sending data of Chinese characters, characters and the like and connected with a memory through a serial port, data in the memory are connected to the sending card through the controller, and the sending card is connected with the receiving card which connects received display data to the LED display screen. The display screen control system is perfect in design, high in extensibility, capable of providing an excellent technical support and application development platform for users, high in picture stability and free of flickering.
Description
Technical field
The present invention relates to electrical screen field, particularly relate to a kind of display screen control system.
Background technology
The sub-screen display system of LED electrical carrys out Display of Chinese characters according to dot array data, character and picture information, the format conversion of input for being applicable to electrical screen single-chip microcomputer form, utilize communication port and compunication, controlled by computing machine, realize the display effect of LED display.
Existing display screen system, adopt using traditional single-chip microcomputer as main control chip, travelling speed is slow, be difficult to the demand meeting giant-screen, giant-screen requires that volume of transmitted data is large, and sweep velocity is fast, improve the display effect of big screen LED electrical screen, be the problem that enterprise needs to face for this reason.
Summary of the invention
The technical matters that the present invention mainly solves is to provide a kind of display screen control system, and adopt the combination of single-chip microcomputer and peripheral circuit, realize the control of Grand LED Screen, integrated level is high, good stability, flexible design, and control system economize energy, efficiency is high.
Described display screen control system, comprises upper PC, sending card, receiving card, controller, LED display, is provided with column driver circuitry module in described LED display.
Described upper PC is responsible for collection and the transmission of the data such as Chinese character, character.Meanwhile, described upper PC is connected with storer by serial ports, and described storer is eeprom memory, by the dot array data completing format conversion that host computer obtains in eeprom memory, by it stored in storer.
By controller, data cube computation in storer to sending card, be connected to receiving card by sending card, described controller is FPGA controller, and the display data received are connected to LED display by receiving card.
Described LED display is formed by 16 × 32 dot matrix screen cascades of 16 × 32.
Display data are divided into 16 districts by described LED display curtain, each district is made up of 16 × 1024 dot matrix, each row of data is 128 bytes, and the picture element signal of display screen transmits displacement to the left by the right side of LED display, and the data of 16 subregions are existed same storer.The address of reading of storer forms by 16, because data only have 32KB, is therefore the highlyest set to 0.All the other 15 bit address are followed successively by from high to low: row address (4), column address (7), partition address (4).
Described sending card is provided with No. 1 green light, No. 2 amber lights, No. 3 green lights, No. 4 amber lights, USB interface, DVI interface, POWER interface.
Wherein, No. 1 green light, No. 2 amber lights, No. 3 green lights, No. 4 amber lights play indicative function.USB interface, is connected with the USB interface of computing machine by supporting USB line, and DVI interface is connected with the DVI delivery outlet of video card.POWER interface is standard 110V ~ 220V supply socket.
Described receiving card, rated voltage: 5V+0.3V; Rated current: 3A; Described receiving card is provided with heat radiator, meanwhile, is provided with first toggle switch, the second toggle switch, and jumper cap.
A kind of optimal technical scheme, described display screen control system is also provided with luminance sensor, humidity sensor, and luminance sensor is connected charactron with humidity sensor, is used for gathering ambient humidity, light and temperature, is convenient to the follow-up work of display screen control system.
A kind of optimal technical scheme, described display screen control system, is connected with clock apparatus, and support number word clock shows, and when supporting real-time school, the position of clock and font color are by software design patterns.
The invention has the beneficial effects as follows: display screen control system of the present invention, system is perfect, and extendability is strong, can provide good technical support and application development platform for user, there is secondary development, design is unique, vertebration, stable performance, frame stabilization is good, flicker free, gets final product off-line working after sending data, and after power-off, data are not lost.
Accompanying drawing explanation
Fig. 1 is display screen control system structural representation of the present invention;
Fig. 2 is display screen control system sending card structural representation of the present invention;
In accompanying drawing, the mark of each parts is as follows:
1 is upper PC, and 101 is storer, and 2 is sending card, and 3 is receiving card, and 4 is LED display, and 5 is controller.
Embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Refer to Fig. 1, Fig. 2 embodiment of the present invention comprises:
Described display screen control system, comprises upper PC, sending card, receiving card, controller, LED display, is provided with column driver circuitry module in described LED display.
Described upper PC is responsible for collection and the transmission of the data such as Chinese character, character.Meanwhile, described upper PC is connected with storer by serial ports, and described storer is eeprom memory, by the dot array data completing format conversion that host computer obtains in eeprom memory, by it stored in storer.
By controller, data cube computation in storer to sending card, be connected to receiving card by sending card, described controller is FPGA controller, and the display data received are connected to LED display by receiving card.
Described LED display is formed by 16 × 32 dot matrix screen cascades of 16 × 32.
Display data are divided into 16 districts by described LED display curtain, each district is made up of 16 × 1024 dot matrix, each row of data is 128 bytes, and the picture element signal of display screen transmits displacement to the left by the right side of LED display, and the data of 16 subregions are existed same storer.The address of reading of storer forms by 16, because data only have 32KB, is therefore the highlyest set to 0.All the other 15 bit address are followed successively by from high to low: row address (4), column address (7), partition address (4).
Described sending card is provided with No. 1 green light, No. 2 amber lights, No. 3 green lights, No. 4 amber lights, USB interface, DVI interface, POWER interface.
Wherein, No. 1 green light, No. 2 amber lights, No. 3 green lights, No. 4 amber lights play indicative function.USB interface, is connected with the USB interface of computing machine by supporting USB line, and DVI interface is connected with the DVI delivery outlet of video card.POWER interface is standard 110V ~ 220V supply socket.
Described receiving card, rated voltage: 5V+0.3V; Rated current: 3A; Described receiving card is provided with heat radiator, meanwhile, is provided with first toggle switch, the second toggle switch, and jumper cap.
Described display screen control system is also provided with luminance sensor, humidity sensor, and luminance sensor is connected charactron with humidity sensor, is used for gathering ambient humidity, light and temperature, is convenient to the follow-up work of display screen control system.
Described display screen control system, is connected with clock apparatus, and support number word clock shows, and when supporting real-time school, the position of clock and font color are by software design patterns.
The foregoing is only embodiments of the invention; not thereby the scope of the claims of the present invention is limited; every utilize instructions of the present invention and accompanying drawing content to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.
Claims (3)
1. a display screen control system, it is characterized in that, comprise: described, comprise upper PC, sending card, receiving card, controller, LED display, column driver circuitry module is provided with in LED display, Chinese character is responsible for by described upper PC, the collection of the data such as character and transmission, described upper PC is connected with storer by serial ports, described storer is eeprom memory, by the dot array data completing format conversion of host computer acquisition in eeprom memory, by it stored in storer, pass through controller, data cube computation in storer to sending card, receiving card is connected to by sending card, described controller is FPGA controller, the display data received are connected to LED display by receiving card, described LED display is formed by 16 × 32 dot matrix screen cascades of 16 × 32, display data are divided into 16 districts by LED display curtain, each district is made up of 16 × 1024 dot matrix, described sending card is provided with No. 1 green light, No. 2 amber lights, No. 3 green lights, No. 4 amber lights, USB interface, DVI interface, POWER interface, described receiving card, rated voltage: 5V+0.3V, rated current: 3A, described receiving card is provided with heat radiator, meanwhile, is provided with first toggle switch, the second toggle switch, and jumper cap.
2. a kind of display screen control system according to claim 1, is characterized in that, described display screen control system is also provided with luminance sensor, humidity sensor, and luminance sensor is connected charactron with humidity sensor.
3. a kind of display screen control system according to claim 1, is characterized in that, described display screen control system, is connected with clock apparatus, and support number word clock shows, and when supporting real-time school, the position of clock and font color are by software design patterns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510691577.6A CN105321463A (en) | 2015-10-23 | 2015-10-23 | Display screen control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510691577.6A CN105321463A (en) | 2015-10-23 | 2015-10-23 | Display screen control system |
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| CN105321463A true CN105321463A (en) | 2016-02-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510691577.6A Pending CN105321463A (en) | 2015-10-23 | 2015-10-23 | Display screen control system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845075A (en) * | 2016-05-30 | 2016-08-10 | 无锡昊瑜节能环保设备有限公司 | Energy-saving LED (light emitting diode) panel control system |
| CN105976730A (en) * | 2016-07-08 | 2016-09-28 | 太仓市新志杰电子科技有限公司 | LED display screen system for square |
| CN106023881A (en) * | 2016-07-14 | 2016-10-12 | 成都安程通科技有限公司 | FPGA-based LED video display screen control system |
| CN106023785A (en) * | 2016-07-08 | 2016-10-12 | 太仓市新志杰电子科技有限公司 | Teaching display screen of a globe |
| CN106057123A (en) * | 2016-07-14 | 2016-10-26 | 成都安程通科技有限公司 | Automatic light modulation display screen control system |
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| CN103258518A (en) * | 2012-02-15 | 2013-08-21 | 上海智显光电科技有限公司 | Display control system with configuration updated by the adoption of mobile storage device |
| CN203260301U (en) * | 2013-02-07 | 2013-10-30 | 杭州银江智慧城市技术有限公司 | Automatic brightness control apparatus for LED display screen |
| CN205177382U (en) * | 2015-10-23 | 2016-04-20 | 太仓市新志杰电子科技有限公司 | Display screen control system |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20120114624A (en) * | 2011-04-07 | 2012-10-17 | 한종휘 | Led signboard and advertising method of led signboard for vehicle |
| CN103258518A (en) * | 2012-02-15 | 2013-08-21 | 上海智显光电科技有限公司 | Display control system with configuration updated by the adoption of mobile storage device |
| CN102750896A (en) * | 2012-06-25 | 2012-10-24 | 西安诺瓦电子科技有限公司 | LED (light-emitting diode) display screen status detection device and detection method |
| CN203260301U (en) * | 2013-02-07 | 2013-10-30 | 杭州银江智慧城市技术有限公司 | Automatic brightness control apparatus for LED display screen |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105845075A (en) * | 2016-05-30 | 2016-08-10 | 无锡昊瑜节能环保设备有限公司 | Energy-saving LED (light emitting diode) panel control system |
| CN105976730A (en) * | 2016-07-08 | 2016-09-28 | 太仓市新志杰电子科技有限公司 | LED display screen system for square |
| CN106023785A (en) * | 2016-07-08 | 2016-10-12 | 太仓市新志杰电子科技有限公司 | Teaching display screen of a globe |
| CN106023881A (en) * | 2016-07-14 | 2016-10-12 | 成都安程通科技有限公司 | FPGA-based LED video display screen control system |
| CN106057123A (en) * | 2016-07-14 | 2016-10-26 | 成都安程通科技有限公司 | Automatic light modulation display screen control system |
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Application publication date: 20160210 |
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