CN205004014U - Display screen drive arrangement - Google Patents
Display screen drive arrangement Download PDFInfo
- Publication number
- CN205004014U CN205004014U CN201520629658.9U CN201520629658U CN205004014U CN 205004014 U CN205004014 U CN 205004014U CN 201520629658 U CN201520629658 U CN 201520629658U CN 205004014 U CN205004014 U CN 205004014U
- Authority
- CN
- China
- Prior art keywords
- module
- display screen
- load module
- driving device
- microprocessor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Control Of Indicators Other Than Cathode Ray Tubes (AREA)
Abstract
The utility model discloses a display screen drive arrangement, including display panel, LED module and drive unit, drive unit is connected with display panel and LED module respectively, and drive unit includes microprocessor, input module and output module, microprocessor is connected with input module and output module respectively, and microprocessor, input module and output module welding are on the PCB board. The utility model discloses two input port and two output port have, LED display screen that can two differences of simultaneous control, and the LED display screen can adopt different communication mode, the cost is reduced, convenience of customers control.
Description
Technical field
The utility model relates to display screen technology field, refers to a kind of display screen driving device especially.
Background technology
LED product has the feature of efficient energy-saving environmental protection, it is the third time revolution of lighting source after incandescent lamp, fluorescent light, be widely used in fields such as automotive electronics, room lighting and outdoor landscape illuminations, in addition, LED product is also used in advertising sector, signboard and the billboard established on doorway etc. in such as shop.
Same user uses different LED display screen to need, with different drivings, to add cost, also allows driver more loaded down with trivial details.
Utility model content
The utility model proposes a kind of display screen driving device, multiple display screen can be driven, reduce cost, use convenient.
The technical solution of the utility model is achieved in that
A kind of display screen driving device, comprise display panel, LED module and driver element, driver element is connected with display panel and LED module respectively, and driver element comprises microprocessor, load module and output module; Microprocessor is connected with load module and output module respectively, and microprocessor, load module and output module are welded on pcb board.
Further, load module comprises dual serial interface, and serial line interface is all connected with serial ports controller, and serial ports controller is connected with microprocessor.Or load module comprises a serial line interface and a network interface, and serial line interface is connected with serial ports controller, and network interface is connected with network transformer, and serial ports controller is all connected with microprocessor with network transformer.
Further, load module is also provided with one or more in temperature sensor load module, humidity sensor load module, luminance sensor load module and UV sensor load module.
Further, output module comprises output protection module and scanning delivery outlet, and output protection module is connected with scanning delivery outlet.Further, output protection module comprises 10 edge triggered flip flops.Or the number of scanning delivery outlet is 2, scanning delivery outlet comprises 50 needle connectors.Further, scan delivery outlet and be connected to o controller.
Further, microprocessor is connected with pilot lamp, pilot lamp comprise in power light, overvoltage pilot lamp, input indicator and output indicator one or several.
The beneficial effects of the utility model are: have two input ports and two output ports, and can control two different LED display, LED display can adopt different communication modes, reduces cost, facilitates user to control simultaneously.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the theory diagram of the utility model first embodiment;
Fig. 2 is the theory diagram of the utility model second embodiment;
Fig. 3 is the circuit theory diagrams of the utility model first embodiment.
In figure, 1-driver element; 2-LED module; 3-display panel.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment one
As shown in Figure 1, the utility model proposes a kind of display screen driving device, comprise display panel 3, LED module 2 and driver element 1, driver element 1 is connected with display panel 3 and LED module 2 respectively, and driver element 1 comprises microprocessor, load module and output module; Microprocessor is connected with load module and output module respectively, and microprocessor, load module and output module are welded on pcb board.
Display panel 3 is made up of the display unit of several splicings capable of being combined; display unit comprises LCDs; the fascia color of LCDs is black or other colors, and the surface of LCDs can pad pasting, is not destroyed for the protection of display unit; LCDs is fixed in frame of plastic; frame of plastic is provided with hook, together with being connected with other display unit, is also fixed together by modes such as glue; the volume of display unit is little, is convenient to transport and assembling.
LED module 2 is for providing backlight for display panel 3, LED module 2 comprises several LED array unit, LED array unit is packaged with several LED, and the color of LED can be arranged according to user's request, the volume of LED array unit is corresponding with display unit, is installed in frame of plastic.The volume of LED array unit is little, is convenient to transport and produces.
Driver element 1 comprises microprocessor, load module and output module, the data of input are transferred to microprocessor and process by load module, microprocessor exports data by output module again, in the present embodiment, microprocessor adopts flush bonding processor, concrete model is AM186 system, in other embodiments, also can adopt 51 series.In addition, microprocessor can also be connected with pilot lamp, pilot lamp comprise in power light, overvoltage pilot lamp, input indicator and output indicator one or several.Thus allow people can observe the duty of driver element 1 intuitively.
In the present embodiment, load module comprises dual serial interface, be specially the first serial line interface and the second serial line interface, first serial line interface is RS232 interface, second serial line interface is RS232 interface or RS422 interface or RS485 interface, first serial line interface and the second serial line interface are DB9, second serial line interface selects RS232 or RS422/RS485 mode of operation by short-circuit jumper method, there is the model selection wire jumper of single three pins, if wire jumper short circuit is in 232 sides, then COM2 is operated in RS232 pattern, the PIN2 of interface, PIN3 and PIN5 is effective, define consistent with COM1, if wire jumper short circuit is in 422 sides, then COM2 is operated in the RS422 pattern of full duplex, and signal is
PIN5:GND
PIN6:T-
PIN7:T+
PIN8:R+，
PIN9:R-
If by PIN6 and PIN9 short circuit, PIN7 and PIN8 short circuit, then COM2 is operated in semiduplex RS485 pattern.
PIN6,PIN9:T/R–
PIN7,PIN8:T/R+
When the first serial line interface and the second serial line interface are operated in RS232 pattern time, the first serial line interface is that PIN2 is connected with the PIN3 of serial ports of computers with the second serial line interface and the method for attachment of computing machine; PIN3 is connected with the PIN2 of serial ports of computers; PIN5 is connected with the PIN5 of serial ports of computers.When the second serial line interface is operated in RS422 pattern, the connected mode of itself and computing machine is " GND " that PIN5 (GND) connects computing machine RS232/RS422 converter; PIN6 (T-) connects " R-" of computing machine RS232/RS422 converter; PIN7 (T+) connects " R+ " of computing machine RS232/RS422 converter; PIN8 (R+) connects " T+ " of computing machine RS232/RS422 converter; PIN9 (R-) connects " T-" of computing machine RS232/RS422 converter; Attention: T-and T+ must use a pair twisted-pair feeder, R+ and R-also must use a pair twisted-pair feeder.When the second serial line interface is operated in RS485 pattern, then itself and computing machine connected mode are as follows: PIN5 (GND) meets the GND of computing machine RS232/RS485 converter; PIN6 ("-") connects "-" of computing machine RS232/RS485 converter; PIN7 ("+") connects "+" of computing machine RS232/RS485 converter; Attention: PIN6 (-) and PIN7 (+) must use a pair twisted-pair feeder.If when the second serial line interface is operated in RS422/485, terminal build-out resistor must be used.First serial line interface and the second serial line interface are all connected with serial ports controller, and serial ports controller is used for controlling the communication of serial line interface, and serial ports controller is connected with microprocessor.
As preferred scheme, the utility model also can increase one or more in temperature sensor load module, humidity sensor load module, luminance sensor load module and UV sensor load module in load module.Temperature sensor load module, humidity sensor load module, luminance sensor load module are connected with microprocessor with UV sensor load module, by detect temperature, humidity, brightness and ultraviolet information transmission be to microprocessor, these information can be carried out typesetting and process by microprocessor, thus control LED module 2 and display panel 3 show.Temperature sampling result also can be used for automatic control flow body power supply, and this controlling functions is intended to protect outdoor screen body.Temperature sensor is DS18B20, and humidity sensor is HF3223.When serviceability temperature automatic control flow body power supply function, when can set higher than certain temperature T_off, automatically close screen body power supply, fall after rise and open screen body power supply again to certain temperature T_on, if T_On>=T_off, this automatic control function is prohibited; Also can set and automatically open heat dissipation equipment higher than during certain temperature t_on, temperature drops back is to closing heat dissipation equipment again lower than during certain temperature t_off, if t_off>=t_on, then this controlling functions is also prohibited.
As shown in Figure 3, output module comprises output protection module and scanning delivery outlet, and output protection module is connected with scanning delivery outlet.Output protection module comprises 10 edge triggered flip flops, and the concrete model adopted is 74HC374, and the number of scanning delivery outlet is that 2, scanning delivery outlet connects five edge triggered flip flops, and scanning delivery outlet comprises 50 needle connectors.Scanning delivery outlet is connected to o controller, and o controller can be used for control data and exports; O controller is connected with microprocessor
Embodiment two
As shown in Figure 2, the utility model provides another kind of display screen driving device, the difference of itself and embodiment one is that load module comprises a serial line interface and a network interface, the mode of operation of the first serial line interface is RS232, serial line interface is connected with serial ports controller, network interface is connected with network transformer, and serial ports controller is all connected with microprocessor with network transformer.When being connected with network interface, the utility model, by Ethernet mode transceiving data, is provided with data transmit-receive lamp network interface is other, when have data by LAN (Local Area Network) enter control card or control card have data to send to LAN (Local Area Network) time, this lantern festival is glimmered.Network interface is connected with netting twine, and network interface connects RJ45 connector, if computer and network interface direct connects in succession, one of netting twine adopts 568A standard, and other end adopts 568B standard to make crystal head.If computing machine is connected to controller by router, hub (HUB) or switch, then netting twine two all makes crystal head according to 568B standard.
These are only preferred embodiment of the present utility model, not in order to limit the utility model, all within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.
Claims (9)
1. a display screen driving device, comprises display panel, LED module and driver element, it is characterized in that: described driver element is connected with described display panel and described LED module respectively, and described driver element comprises microprocessor, load module and output module; Described microprocessor is connected with described load module and described output module respectively, and described microprocessor, load module and output module are welded on pcb board.
2. a kind of display screen driving device according to claim 1, it is characterized in that: described load module comprises dual serial interface, described serial line interface is all connected with serial ports controller, and described serial ports controller is connected with described microprocessor.
3. a kind of display screen driving device according to claim 1, it is characterized in that: described load module comprises a serial line interface and a network interface, described serial line interface is connected with serial ports controller, described network interface is connected with network transformer, and described serial ports controller is all connected with described microprocessor with described network transformer.
4. a kind of display screen driving device according to any one of claim 1-3, is characterized in that: described load module is also provided with one or more in temperature sensor load module, humidity sensor load module, luminance sensor load module and UV sensor load module.
5. a kind of display screen driving device according to claim 1, is characterized in that: described output module comprises output protection module and scanning delivery outlet, and described output protection module is connected with described scanning delivery outlet.
6. a kind of display screen driving device according to claim 5, is characterized in that: the number of described scanning delivery outlet is 2, and described scanning delivery outlet comprises 50 needle connectors.
7. a kind of display screen driving device according to claim 6, is characterized in that: described scanning delivery outlet is connected to o controller.
8. a kind of display screen driving device according to claim 5, is characterized in that: described output protection module comprises 10 edge triggered flip flops.
9. a kind of display screen driving device according to claim 1, is characterized in that: described microprocessor is connected with pilot lamp, described pilot lamp comprise in power light, overvoltage pilot lamp, input indicator and output indicator one or several.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629658.9U CN205004014U (en) | 2015-08-19 | 2015-08-19 | Display screen drive arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520629658.9U CN205004014U (en) | 2015-08-19 | 2015-08-19 | Display screen drive arrangement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205004014U true CN205004014U (en) | 2016-01-27 |
Family
ID=55160892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520629658.9U Expired - Fee Related CN205004014U (en) | 2015-08-19 | 2015-08-19 | Display screen drive arrangement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205004014U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106775397A (en) * | 2016-12-12 | 2017-05-31 | 华中师范大学 | The multi-touch method of pcb board and application pcb board |
-
2015
- 2015-08-19 CN CN201520629658.9U patent/CN205004014U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106775397A (en) * | 2016-12-12 | 2017-05-31 | 华中师范大学 | The multi-touch method of pcb board and application pcb board |
| CN106775397B (en) * | 2016-12-12 | 2024-01-23 | 华中师范大学 | PCB and multi-point touch method using PCB |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101349833B (en) | Apparatus and method for adjusting light ray and backlight module unit and LCD device using the same | |
| CN201262809Y (en) | Energy-saving device of LED electronic display screen | |
| CN203324888U (en) | Terminal | |
| CN108761904B (en) | Back lighting device | |
| CN109031780A (en) | Backlight module, display device and its LED light source group switching method | |
| CN205004014U (en) | Display screen drive arrangement | |
| US9351380B2 (en) | Light controller | |
| CN103295488B (en) | Replaceable display system | |
| CN103281847A (en) | Wireless LED lamp intelligent control system | |
| CN103017023B (en) | Backlight module and use the display device of this backlight module | |
| CN205539838U (en) | Backlight for LED liquid crystal display | |
| WO2021109539A1 (en) | Led display module, and led display screen and control device therefor | |
| WO2024016591A1 (en) | Backlight driving circuit, backlight module, and display device | |
| CN204790247U (en) | Liquid crystal disply device and component base plate thereof | |
| CN201638533U (en) | LED backlight display control equipment | |
| CN2862103Y (en) | Backlight module unit | |
| CN206072894U (en) | A kind of intelligent Lamp lighting day and night wall and bright lamp system | |
| CN108449849B (en) | RGBW four-color L ED light mixing experiment system | |
| CN108535917A (en) | A kind of design method of LED backlight and LED screen | |
| CN204117572U (en) | A kind of airbome liquid crystal display with night vision compatible function | |
| CN106935210A (en) | Backlight module, liquid crystal display and backlight module drive control method | |
| CN2435817Y (en) | Double-face liquid crystal display screen module | |
| CN202720833U (en) | Wireless electronic table card | |
| CN201916870U (en) | LED backlight lamp line, LED liquid crystal module and display device thereof | |
| CN101000431A (en) | Backlight resource module of liquid crystal display with luminous element array |
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: 20160127 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |