CN205487271U - Cascade LED intelligence glass actuating system - Google Patents
Cascade LED intelligence glass actuating system Download PDFInfo
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- CN205487271U CN205487271U CN201620078316.7U CN201620078316U CN205487271U CN 205487271 U CN205487271 U CN 205487271U CN 201620078316 U CN201620078316 U CN 201620078316U CN 205487271 U CN205487271 U CN 205487271U
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Abstract
The utility model provides a cascade LED intelligence glass actuating system, include: drive module, power module, MCU control module and LED intelligence glass display screen, drive module includes: a plurality of cascaded drivers, the driver includes a N input port, a N output port, wherein, a N input port of first driver is connected with MCU control module, a N output port and the second drive's a N input ports are connected, the input port that first driver was chosen among the N output port receives the video signal that MCU control module sent, the 2nd output port transmits video signal to the second drive, similarly, the video signal that a N -2 driver was forwardded is received through a N -2 output port through N -1 input port to a N -1 driver, and forward video signal through a N -1 output port to a N driver. The utility model discloses simplify the system of LED intelligence glass display screen by a large scale, improved the work efficiency of system.
Description
Technical field
This utility model embodiment relates to LED intelligent glass technical field, particularly relates to a kind of cascade LED
Intelligent glass drive system.
Background technology
At present, LED Display Technique has reached its maturity, application every field in social life.With
Time outdoor large LED display also widely apply in megastore and skin, LED display
It is mainly used to show video, picture and text, notice etc. in real time.Large LED intelligent glass display system is as greatly
The one of type LED display.In intelligent glass display system is applied, first MCU controls subsystem
Video, picture and text, notice etc. are converted into RGB data format information, and then passing through transmission subsystem will
RGB data information is transmitted to driving subsystem, by special driving chip, image is realized gray-scale Control,
And by data-interface, RGB component information is exported to LED intelligent glass display screen, it is achieved host computer
In video source show.
The LED dot matrix being distributed according to certain rules in a large number, each dot matrix is inlayed in LED intelligent glass display screen
Representing a pixel, display system carries out the display of host computer video source signal by controlling LED dot matrix.
In the transmitting procedure of signal, the LED intelligent driving system inefficiency of prior art.
Utility model content
This utility model embodiment provides one cascade LED intelligent glass drive system, on overcoming
State technical problem.
This utility model cascade LED intelligent glass drive system, including:
Drive module, power module, MCU control module and LED intelligent glass display screen；
Described MCU control module one end connects host computer, the other end and described driving mould by DVI line
Block connects, and described power module is connected to described driving module；
Described driving module includes: the driver of multiple cascades, and described driver includes N number of input port,
N number of output port, wherein, described N number of input port of the first driver controls mould with described MCU
Block connects, and N number of input port of described N number of output port and the second driver connects, and described first drives
Dynamic device is chosen the first input port in described N number of output port and is received the transmission of described MCU control module
Video signal, the second output port to described second driver forward described video signal, by that analogy,
The N-1 driver receives N-2 driver by the N-2 outfan by N-1 input port
The described video signal that mouth forwards, and forward described to n-th driver by the N-1 output port
Video signal.
Further, also include:
The video signal exported by described MCU extremely drives the transmission of module with the transmission of differential serial mode
Submodule, one end is connected to MCU control module, and the other end is connected to drive module.
Further, described driver, also include:
For connecting the FPC connector of described LED intelligent glass display screen.
Further, described MCU control module, including:
At DVI input block, DVI decoding unit, DVI coding unit, DVI output unit, video
Reason unit, data storage cell, control unit, signal transmission unit；
Described DVI input block receives the video signal that host computer sends；
Described video signal is decoded as R, G, B component signal by described DVI decoding unit；
Described component signal is converted to video source signal by DVI coding unit；
DVI output unit exports described video source signal to next stage MCU control module；
Video processing unit processes described component signal；
Data storage cell stores described component signal；
Control unit sends control instruction to described video processing unit；
Signal transmission unit is to driving module transmission video signal.
This utility model achieves single branch road in the drive system of LED intelligent glass display screen and realizes
The extensive cascade of LED driver, thus increase the area surface of driven LED intelligent glass display screen
Long-pending.Simplify the system of large area LED intelligent glass display screen, improve the work efficiency of system.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model embodiment or technical scheme of the prior art, below will
The accompanying drawing used required in embodiment or description of the prior art is briefly described, it should be apparent that,
Accompanying drawing in describing below is embodiments more of the present utility model, comes for those of ordinary skill in the art
Say, on the premise of not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of this utility model cascade LED intelligent glass drive system；
Fig. 2 is that this utility model cascade LED intelligent glass drive system MCU control module structure is shown
It is intended to；
Fig. 3 is that this utility model cascades LED another structural representation of intelligent glass drive system；
Fig. 4 is that this utility model cascades LED intelligent glass drive system LED intelligent glass viewing area
Territory LED dot matrix distribution schematic diagram；
Fig. 5 is that this utility model cascade LED intelligent glass drives modular structure schematic diagram.
Detailed description of the invention
For making the purpose of this utility model embodiment, technical scheme and advantage clearer, below in conjunction with
Accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out clear,
It is fully described by, it is clear that described embodiment is a part of embodiment of this utility model rather than complete
The embodiment in portion.Based on the embodiment in this utility model, those of ordinary skill in the art are not making
The every other embodiment obtained under creative work premise, broadly falls into the scope of this utility model protection.
Fig. 1 is the structural representation of this utility model cascade LED intelligent glass drive system, such as Fig. 1 institute
Showing, the system of the present embodiment may include that
Module 101, power module 102, MCU control module 103 and LED intelligent glass is driven to show
Display screen 104；
Described driving module 101 includes: the driver of multiple cascades, and described driver includes N number of input
Port, N number of output port, wherein, described N number of input port of the first driver and described MCU
Control module connects, and N number of input port of described N number of output port and the second driver connects, described
First driver is chosen the first input port in described N number of output port and is received described MCU control mould
The video signal that block sends, the second output port forwards described video signal to described second driver, with
This analogizes, and the N-1 driver receives N-2 driver by N-2 by N-1 input port
The described video signal that individual output port forwards, and by the N-1 output port to n-th driver
Forward described video signal.
Further, described driver, also include:
FPC connector, is used for connecting described LED intelligent glass display screen.
Specifically, described host computer controls the required display of subsystem transmission by DVI alignment MCU
Video source signal.
Described power supply cassette for supplying is for driving display subsystem and MCU to control subsystem offer working power,
Simultaneously by driving subsystem circuit to be used for driving LED to LED intelligent glass display screen by electric current output
Dot matrix.Power supply cassette for supplying provides power supply for whole LED intelligent glass display system.
Further, as in figure 2 it is shown, described MCU control module, including:
DVI input block 201, DVI decoding unit 202, DVI coding unit 203, DVI export single
Unit 204, video processing unit 205, data storage cell 206, signal transmission unit 207 and control
Unit 208；
Described DVI input block receives the video signal that host computer sends；
Described DVI decoding unit, for being decoded as RGB data and serial clock by described video signal；
Described output unit, for sending described RGB data and serial clock to driver element.
Specifically, Fig. 2 is that described MCU controls subsystem structure schematic diagram, as in figure 2 it is shown, knot
Structure includes, DVI input block 201, DVI coding unit 203, DVI decoding unit 202, DVI are defeated
Go out unit 204, video processing unit 205, data storage cell 206, control unit 208, signal biography
Defeated unit 207；
Described MCU controls subsystem each unit function and includes, video source is believed by DVI decoding unit 202
Number be converted to R, G, B component signal, DVI input block 201 receive the video source letter that host computer sends
Number, DVI coding unit 203 described R, G, B component signal are converted to video source signal, DVI
Output unit 204 downward primary controller output video source signal, video processing unit 205 process described
R that DVI decoding unit generates, G, B component signal, data storage cell 206 store described R, G,
B component signal, control unit 208 send control instruction, signal transmission module 207 to described processing unit
It is RS422 transtation mission circuit module, R, G, B component signal and serial clock are converted to differential signal
And clock.
Further, as it is shown on figure 3, also include:
Transmission submodule, one end is connected to MCU control module, and the other end is connected to drive module, uses
In the video signal that described MCU is exported with the transmission of differential serial mode to driving module.
Specifically, described transmission subsystem uses RS422 serial data interface standard, utilizes signal difference
Serial transmission mode is divided the RGB data of RS422 transmitter to be connect to RS422 via netting twine carrier transmission
Receive device, it is ensured that the data reliability of long-distance transmissions and stability.Realize MCU to control subsystem and drive
Lossless transmission function between subsystem.
Fig. 4 is intelligent glass viewing area LED dot matrix distribution schematic diagram.Described intelligent glass display screen is
The LED dot matrix being distributed according to certain rules in a large number is inlayed inside intelligent glass.As shown in Figure 4, for intelligence glass
The LED dot matrix regularity of distribution in glass display screen, each LED point is represented a pixel, is driven by special
Dynamic chip controls each LED point, thus control the change of each pixel, it is achieved host computer video source is believed
Breath display.Described LED intelligent glass display screen be special facture glass, substantially extra-large LED
Display screen, is the lattice module utilizing light emitting diode to constitute or the plane formula display screen of pixel cell composition
Curtain.Intelligent glass display screen is connected by FPC connector with driving subsystem, drives subsystem by control
The LED dot matrix that inside glass processed embeds realizes image source information and shows.
Fig. 5 is the structural representation of this utility model type LED drive module, as it is shown in figure 5, this enforcement
Example drives module, it is achieved drive display function.Its input is the RGB transmitted via transmission subsystem
The electric current that formatted data and power supply box are transmitted, drives special LED drive chip in subsystem real to image
Existing gray-scale Control, and RGB component information is output in parallel on LED intelligent glass display screen, it is achieved
Information in host computer shows.Often group LED drive module includes 4 LED drivers, respectively drives
Dynamic device-A, driver-B, driver-C, driver-D.Described four LED drivers are in configuration design
Upper the most just the same, in engineer applied, in addition color is distinguished.Including: power module 401, drive circuit mould
Block 402, FPC connector 404, four output ports 405 of 403, four input ports, this port can
For ten needle interfaces that model is 5X2.Four LED drivers have 4 input interfaces at input, respectively
For INT1, INT2, INT3, INT4；Also 4 coffrets are had at outfan, respectively OUT1,
OUT2、OUT3、OUT4.Four input end interface are simultaneously entered identical data message and electric current, and four
Data message and electric current are exported next stage LED driver by individual outfan interface.
In one group, the difference of each LED driver design is that drive circuit module connects in design.
Wherein in the circuit design of LED driver-A, power module and drive circuit module terminate with input
Mouth INT1 is connected.The data signal that coffret INT1 is inputted and electric current are through power module and driving
Circuit module processes, and shows to LED intelligent glass display screen by FPC connector output.With
This simultaneously, signal transmits to next stage LED driver through output interface OUT1 with electric current.Other 3
Signal and electric current are directly transferred to next stage LED driver by coffret.Wherein at the electricity of driver-B
In the design of road, select input interface INT2 at input, select output interface OUT2 at outfan；?
In the circuit design of driver-C, select input interface INT3 at input, select output to connect at outfan
Mouth OUT3；In the circuit design of driver-D, select input interface INT4 at input, in output
End selects output interface OUT4.Often four different LED drivers of group select 4 different biographies respectively
Signal and the electric current of defeated interface process, and the signal of other three interfaces and electric current are transmitted directly to down
One-level driver.This kind of method for designing is equivalent to become single transmission branch into four transmission branches, can make list
The quantity of the LED driver of one tunnel cascade increases to 4 times, and meanwhile, single road driver is connected
The viewing area area of LED intelligent glass display screen increase to 4 times.Viewing area of the same area can
To reduce LED driver connection branch road quantity, thus simplify circuit, optimize engineering.
The work of the LED driver of the present embodiment is broadly divided into the following steps: 1, host computer passes through DVI
Line by video source signal transmission to MCU control subsystem, 2, MCU control subsystem solved by DVI
Video source signal is converted into RGB data and serial clock by code unit, and through transmission subsystem transmission to the
One group of LED driver.3, on LED driver, serial RGB data and clock are turned by special driving chip
Turn to multidiameter delay data, the PWM gray modulation function each output channel of modulation that chip internal is integrated
12bit gradation data, then by FPC connector transmission to inlaying inside intelligent glass display screen
LED dot matrix.The serial data meanwhile inputted and clock Serial output under the effect of shift register,
Input source as next group drive circuit board.
In large LED intelligent glass application, according to above-mentioned proposed problem, this utility model carries
Board design for a kind of driver that can cascade on a large scale.Described LED driver uses many transmission to connect
Mouth multilayer circuit board design, the input and output side at LED driver designs multiple coffrets.Whole
During the work of individual system, data signal realizes branch by many coffrets of the driver of cascade and transmits.By
The data signal transmitted in each interface is completely the same, and on LED driver, special driving chip only needs choosing
Select the data signal that one of them coffret inputted to process.The PWM ash that chip internal is integrated
Degree modulation function modulates the gradation data of each output channel, is transferred to LED by by FPC connector
The LED dot matrix inlayed inside intelligent glass shows.And the data letter that other coffret is transmitted
Number output to next stage LED driver, be now equivalent to become single transmission branch into multiple transmission branches.
By the board design of described LED driver, the big rule of LED driver can be realized at single branch road
Mould cascades, thus increases the region area of driven LED intelligent glass display screen.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, and
Non-to its restriction；Although this utility model being described in detail with reference to foregoing embodiments, ability
The those of ordinary skill in territory is it is understood that it still can be to the technical scheme described in foregoing embodiments
Modify, or the most some or all of technical characteristic is carried out equivalent；And these amendment or
Person replaces, and does not make the essence of appropriate technical solution depart from the model of this utility model each embodiment technical scheme
Enclose.
Claims (4)
1. a cascade LED intelligent glass drive system, it is characterised in that including:
Drive module, power module, MCU control module and LED intelligent glass display screen；
Described MCU control module one end connects host computer, the other end and described driving mould by DVI line
Block connects, and described power module is connected to described driving module；
Described driving module includes: the driver of multiple cascades, and described driver includes N number of input port,
N number of output port, wherein, described N number of input port of the first driver controls mould with described MCU
Block connects, and N number of input port of described N number of output port and the second driver connects, and described first drives
Dynamic device is chosen the first input port in described N number of output port and is received the transmission of described MCU control module
Video signal, the second output port to described second driver forward described video signal, by that analogy,
The N-1 driver receives N-2 driver by the N-2 outfan by N-1 input port
The described video signal that mouth forwards, and forward described to n-th driver by the N-1 output port
Video signal.
System the most according to claim 1, it is characterised in that also include:
The video signal exported by described MCU extremely drives the transmission of module with the transmission of differential serial mode
Submodule, one end is connected to MCU control module, and the other end is connected to drive module.
System the most according to claim 1 and 2, it is characterised in that described driver, also includes:
For connecting the FPC connector of described LED intelligent glass display screen.
System the most according to claim 1, it is characterised in that described MCU control module, bag
Include:
At DVI input block, DVI decoding unit, DVI coding unit, DVI output unit, video
Reason unit, data storage cell, control unit, signal transmission unit；
Described DVI input block receives the video signal that host computer sends；
Described video signal is decoded as R, G, B component signal by described DVI decoding unit；
Described component signal is converted to video source signal by DVI coding unit；
DVI output unit exports described video source signal to next stage MCU control module；
Video processing unit processes described component signal；
Data storage cell stores described component signal；
Control unit sends control instruction to described video processing unit；
Signal transmission unit is to driving module transmission video signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620078316.7U CN205487271U (en) | 2016-01-26 | 2016-01-26 | Cascade LED intelligence glass actuating system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620078316.7U CN205487271U (en) | 2016-01-26 | 2016-01-26 | Cascade LED intelligence glass actuating system |
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| CN205487271U true CN205487271U (en) | 2016-08-17 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105469739A (en) * | 2016-01-26 | 2016-04-06 | 大连集思特科技有限公司 | Cascade LED intelligent glass driving system |
| CN107481631A (en) * | 2017-09-29 | 2017-12-15 | 丁文兰 | A kind of LED clear glass display screens with controller |
-
2016
- 2016-01-26 CN CN201620078316.7U patent/CN205487271U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105469739A (en) * | 2016-01-26 | 2016-04-06 | 大连集思特科技有限公司 | Cascade LED intelligent glass driving system |
| CN107481631A (en) * | 2017-09-29 | 2017-12-15 | 丁文兰 | A kind of LED clear glass display screens with controller |
| CN107481631B (en) * | 2017-09-29 | 2023-08-04 | 丁文兰 | LED transparent glass display screen with controller |
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