CN205177382U - Display screen control system - Google Patents
Display screen control system Download PDFInfo
- Publication number
- CN205177382U CN205177382U CN201520823040.6U CN201520823040U CN205177382U CN 205177382 U CN205177382 U CN 205177382U CN 201520823040 U CN201520823040 U CN 201520823040U CN 205177382 U CN205177382 U CN 205177382U
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- China
- Prior art keywords
- display screen
- control system
- card
- screen control
- led display
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- Expired - Fee Related
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- Control Of El Displays (AREA)
Abstract
The utility model discloses a display screen control system, including upper PC, sending card receives the card, the controller, the LED display screen has set up ranks drive circuit module in the LED display screen, data such as chinese character, character were responsible for to upper PC collection with send, upper PC has the memory through serial port connection, through the controller, data connection in the memory to sending card, is connected to through sending card and receives the card, receive to block to show data connection to LED display screen with received, the utility model discloses display screen control system, system design is perfect, and the expansibility is strong, can provide good technical support and application and development platform for the user, and picture stability is good, the flicker free.
Description
Technical field
The utility model relates to electrical screen field, particularly relates 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 image 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.
Utility model content
The technical matters that the utility model mainly solves is to provide a kind of display screen control system, adopts the combination of single-chip microcomputer and peripheral circuit, realizes 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 beneficial effects of the utility model are: the utility model display screen control system, 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 the utility model display screen control system structural representation;
Fig. 2 is the utility model display screen control system sending card structural representation;
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 utility model is described in detail, to make advantage of the present utility model and feature can be easier to be readily appreciated by one skilled in the art, thus more explicit defining is made to protection domain of the present utility model.
Refer to Fig. 1, Fig. 2 the utility model embodiment 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 embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model instructions 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 utility model.
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 |
|---|---|---|---|
| CN201520823040.6U CN205177382U (en) | 2015-10-23 | 2015-10-23 | Display screen control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520823040.6U CN205177382U (en) | 2015-10-23 | 2015-10-23 | Display screen control system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205177382U true CN205177382U (en) | 2016-04-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520823040.6U Expired - Fee Related CN205177382U (en) | 2015-10-23 | 2015-10-23 | Display screen control system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205177382U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105321463A (en) * | 2015-10-23 | 2016-02-10 | 太仓市新志杰电子科技有限公司 | Display screen control system |
-
2015
- 2015-10-23 CN CN201520823040.6U patent/CN205177382U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105321463A (en) * | 2015-10-23 | 2016-02-10 | 太仓市新志杰电子科技有限公司 | Display screen control system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160420 Termination date: 20161023 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |