CN105551429B - Lamp stand LED screen system and LED display control system - Google Patents
Lamp stand LED screen system and LED display control system Download PDFInfo
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- CN105551429B CN105551429B CN201610077583.7A CN201610077583A CN105551429B CN 105551429 B CN105551429 B CN 105551429B CN 201610077583 A CN201610077583 A CN 201610077583A CN 105551429 B CN105551429 B CN 105551429B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/20—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters
- G09G3/22—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources
- G09G3/30—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels
- G09G3/32—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix no fixed position being assigned to or needed to be assigned to the individual characters or partial characters using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED]
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Abstract
The present invention relates to a kind of lamp stand LED screen system and a kind of LED display control system.Wherein, the LED display control system includes multiple LED display control programs, and the multiple LED display control programs are respectively used to connect multiple LED displays such as lamp stand LED screen；Especially, the multiple LED display control programs be each configured with route WiFi module be operationally wirelessly serially connected by the route WiFi module for being operated in wireless bridging pattern of each self-configuring.Therefore, the present invention can concatenate the wireless communication between the LED display control programs for realizing configuration route WiFi module by WiFi, flow cost can be saved compared with pure 3G application schemes, and hardware environment building method is simpler, without wired cost input, whole system structure composed advantage of lower cost.
Description
Technical field
The present invention relates to LED display control technologies field, more particularly to a kind of lamp stand LED screen system and a kind of LED to show
Display screen control system.
Background technology
Existing lamp stand LED screen (namely LED display on street lamp post) substantially passes through wired connection
Mode or 3G radio connections, then saved by way of remote cluster control to unified send of each lamp stand LED screen terminal
Mesh, for wired connection scheme, hardware builds that framework is more complicated, and for 3G wireless connection schemes, cost is higher, special
It is not that each lamp stand LED screen needs a SIM card, so will be cumbersome.
The content of the invention
Therefore, to overcome in the prior art the defects of and deficiency, the present invention propose a kind of lamp stand LED screen system and one kind
LED display control system.
Specifically, the embodiment of the present invention propose a kind of lamp stand LED screen system, including multiple LED display control programs with
And it is connected respectively with the multiple LED display control programs and multiple lamp stand LED screens of spaced setting.Especially, it is described
Multiple LED display control programs are each configured with route WiFi module, and the multiple LED display control programs operationally lead to
The route WiFi module for being operated in wireless bridging pattern for crossing each self-configuring is wirelessly serially connected.
In one embodiment of the invention, each described LED display control program includes embeded processor, network
PHY chip, programmable logic device module, network output module, network interface and route WiFi module, the network PHY chip electricity
The embeded processor is connected, the programmable logic device module is electrically connected the embeded processor, and the network is defeated
Go out module and be electrically connected the programmable logic device module, the network interface is electrically connected the network PHY chip, the route WiFi
Module is electrically connected the network PHY chip and the network interface.
In one embodiment of the invention, the embeded processor and the network PHY chip are arranged on the first electricity
On the plate of road, the programmable logic device module, the network output module and the network interface set on the second circuit board, with
And the route WiFi module is arranged on tertiary circuit plate.
In one embodiment of the invention, each described LED display control program further include Video decoding module and
Isochronous/asynchronous mode switch key, the Video decoding module are electrically connected the programmable logic device module and for outside connecting
Portion's video source, the isochronous/asynchronous mode switch key are electrically connected the embeded processor and for switching the LED displays control
System processed is operated in synchronous mode or asynchronous mode.
In one embodiment of the invention, the route WiFi module of each LED display control programs configuration is
General mode or wireless bridging pattern are switchably operated in, wherein the general mode is same for Station patterns and ap mode
When operating mode.
In addition, a kind of LED display control system that the embodiment of the present invention proposes, including multiple LED display control programs,
The multiple LED display control programs are respectively used to connect multiple LED displays.Furthermore the multiple LED display control programs
It is each configured with route WiFi module, and the multiple LED display control programs operationally being operated in by each self-configuring
The route WiFi module of wireless bridging pattern is wirelessly serially connected.
In one embodiment of the invention, each described LED display control program includes embeded processor, network
PHY chip, USB PHY chips, programmable logic device module, Video decoding module, network output module, synchronous/asynchronous mould
Formula switch key, network interface, USB HUB modules and wireless communication daughter board, the network PHY chip are electrically connected the embedded processing
Device, the USB PHY chips are electrically connected the embeded processor, and the programmable logic device module is electrically connected the insertion
Formula processor, the Video decoding module are electrically connected the programmable logic device module and for connecting external video source, institute
State network output module and be electrically connected the programmable logic device module, described in the isochronous/asynchronous mode switch key is electrically connected
Embeded processor and it is operated in synchronous mode or asynchronous mode for switching the LED display control programs, the network interface electricity
The network PHY chip is connected, the USB HUB modules are electrically connected the USB PHY chips, and the wireless communication daughter board is electrically connected
The network interface, the network PHY chip and the USB HUB modules are connect, and the road is provided with the wireless communication daughter board
By WiFi module.
In one embodiment of the invention, each described LED display control program includes embeded processor, network
PHY chip, USB PHY chips, programmable logic device module, network output module, network interface, USB HUB modules and wireless
Communicate daughter board, and the network PHY chip is electrically connected the embeded processor, and the USB PHY chips are electrically connected the insertion
Formula processor, the programmable logic device module are electrically connected the embeded processor, and the network output module is electrically connected
The programmable logic device module, the network interface are electrically connected the network PHY chip, and the USB HUB modules are electrically connected institute
USB PHY chips are stated, the wireless communication daughter board is electrically connected network interface, the network PHY chip and the USB HUB moulds
Block, and the route WiFi module and button are provided with the wireless communication daughter board, the button is used for the route
WiFi module is from wireless bridging pattern switching to another operating mode.
In one embodiment of the invention, 3G/4G modules are additionally provided with the wireless communication daughter board.
In one embodiment of the invention, the route WiFi module of each LED display control programs configuration is
General mode or wireless bridging pattern are switchably operated in, wherein the general mode is same for Station patterns and ap mode
When operating mode.
From the foregoing, it will be observed that the embodiment of the present invention can reach following one or more beneficial effects：A) can be gone here and there by WiFi
Connect the wireless communication between the LED display control programs for realizing configuration route WiFi module；B) compared with pure 3G application schemes, energy
Save flow cost；And c) hardware environment building method is simpler, without wired cost input, whole system structure composed into
This is relatively low.
By the detailed description below with reference to attached drawing, other side of the invention and feature become obvious.But it should know
Road, which is only the purpose design explained, not as the restriction of the scope of the present invention.It is it should also be noted that unless another
Point out outside, it is not necessary to which scale attached drawing, they only try hard to conceptually illustrate structure and flow described herein.
Brief description of the drawings
Below in conjunction with attached drawing, the embodiment of the present invention is described in detail.
Fig. 1 is a kind of configuration diagram for lamp stand LED screen system that the embodiment of the present invention proposes.
Fig. 2 is that any one configuration is route between LED the display control programs such as 13n and PC machine of WiFi module in Fig. 1
The application structure figure of communication.
Fig. 3 is a kind of structure of the LED display control programs such as 13n of any one configuration route WiFi module in Fig. 1
Schematic diagram.
Fig. 4 is a kind of configuration interface schematic diagram of route WiFi module of the embodiment of the present invention.
Embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail.
Fig. 1 is referred to, a kind of framework of its lamp stand LED screen system based on WiFi concatenations proposed for the embodiment of the present invention
Schematic diagram.In the lamp stand LED screen system based on WiFi concatenations shown in Fig. 1, such as the beginning first on a road
Lamp stand LED screen 151, the LED display control programs 131 of its configuration route WiFi module connected can be by wired or wireless
Server end 11 is connected to, second lamp stand LED screen 152 ... after back to back pre-determined distance (such as 30 meters), n-th
Lamp stand LED screen 15n, the LED display control programs 132 ... of the configuration route WiFi module each connected, 13n is mutual
The mutual cascaded communication of wireless bridging pattern by the route WiFi module carried, realizes lamp stand LED screen 151 on a road,
152 ..., the LED display control programs 131,132 for the configuration route WiFi module that 15n is each connected ..., the phase between 13n
Mutual information transmits.Through this embodiment, it can be achieved that sending media program to first lamp stand LED screen 151 in server end 11
The LED display control programs 131 of the configuration route WiFi module connected, are then connected by first lamp stand LED screen 151
Media program is transferred to second lamp stand LED screen 152 and connected by the LED display control programs 131 of configuration route WiFi module again
The LED display control programs 132 of the configuration route WiFi module connect carry out media play, while second institute of lamp stand LED screen 152
The LED display control programs 132 of the configuration route WiFi module of connection are by media program again by routeing WiFi module with wireless
Mode is forwarded to the LED display control programs for the configuration route WiFi module that next lamp stand LED screen is connected, and so on,
Until the LED for the configuration route WiFi module that media program wireless forwarding to n-th of lamp stand LED screen 15n is connected is shown into control
System 13n processed, completes the lamp stand LED screen 151,152 ... of whole road, and the media program of 15n is sent.
Since the WiFi concatenation schemes of the embodiment of the present invention are that wireless routing function is integrated into LED display control programs
In 131,132 ..., 13n, so it is more conducive to and realizes wireless bridging using the AP functions of routeing WiFi module, so as to fulfill
Each lamp stand LED screen 151,152 ..., the LED display control programs 131 for the configuration route WiFi module that 15n is each connected,
132 ..., being in communication with each other between 13n；Pass through this kind of method, it is possible to achieve all lamp stand LED screens 151 on entire road,
152 ..., 15n each connected configuration route WiFi module LED display control programs 131,132 ..., 13n get from
The different IP addresses that same source is come, can be by media program to be sent so in remote cluster publication medium program
Target lamp stand LED screen is tied to, so as at the same time to multiple lamp stand LED screens 151,152 ..., 15n while publication medium section
Mesh, naturally it is also possible to which media program is only sent to part lamp stand LED screen by binding.
Refer to Fig. 2, its be Fig. 1 in any one configuration route WiFi module LED display control programs such as 13n with
The application structure figure to communicate between PC machine.Connect in the LED display control programs 13n of configuration route WiFi module by wireless connection
Enter the AP to outside router, PC machine can be linked into outside router by wireless or wired mode, such as pass through exchange
Machine or direct mode；The LED that link configuration route WiFi module is searched for by PC machine can also be realized under this kind of mode
Display control program 13n, so as to realize the setting to the LED display control programs 13n of configuration route WiFi module even
Media program is sent.
Fig. 3 is referred to, it is the LED display control programs such as 13n of any one configuration route WiFi module in Fig. 1
A kind of structure diagram.As shown in figure 3, the LED display control programs 13n of configuration route WiFi module includes core board 31, bottom
Plate 33 and wireless communication daughter board 35.Core board 31, bottom plate 33 and wireless communication daughter board 35 are for example designed in three-decker, bottom plate
Be provided with 33 core board interface (not drawn in Fig. 3) and wireless communication daughterboard interface (not drawn in Fig. 3) with respectively with core
Plate 31 and wireless communication daughter board 35 are connected, it is, for example, to discharge bottom plate 33, core board 31 and wireless communication successively from the bottom up
Daughter board 35, so as to save the space of the Hardware Design.
Specifically, core board 31 includes setting arm processor 311, network PHY chip 312, USB on circuit boards
PHY chip 313, voicefrequency circuit 314, memory module 315 and power management chip (Power Management IC) 316.
Bottom plate 33 includes setting network interface 331 on circuit boards, USB HUB modules 332, USB port 333, audio interface
334th, isochronous/asynchronous mode switch key 335, serial port module 336, SD card interface circuit 337, FPGA module 338, memory module
339th, Video decoding module 340, one-chip computer module 341, clock and battery module 342, energy supply control module 343 and network are defeated
Go out module 344.
Wireless communication daughter board 35 includes setting route WiFi module 351 on circuit boards and 3G/4G modules 353.
More specifically, arm processor 311 run after the power is turned on operating system (such as WinCE, Linux, iOS, Android etc. behaviour
Make system) and the relevant application software of function, control various external equipments to play function；It is understood that arm processor
311 can also be other embeded processors.
Network PHY chip 312 is electrically connected arm processor 311, it is, for example, the PHY chip that can be configured to 100,000,000 nets.
USB PHY chips 313 are electrically connected arm processor 311.
Voicefrequency circuit 314 is electrically connected arm processor 311, and mould is handled to one of audio signal when it is as media play
Block, typically comprises level shifting circuit and digital analog converter.
Memory module 315 is electrically connected arm processor 311, it is mainly serviced for arm processor 311, storage program area
File and software etc. and the module for ensureing the operation of system normal table.Herein, memory module 315 for example including flash memory and
DDR2, certainly, flash memory can be substituted for other nonvolatile memories, and DDR2 can be substituted for other volatile memory.
Power management chip 316 is electrically connected arm processor 311, it is mainly to the arm processor 311 on core board 31
Electric power management mechanism is provided.
Network interface 331 is electrically connected the network PHY chip (namely ethernet PHY transceiver chip) 312 on core board 31,
It is, for example, RJ45 interfaces.Typically, network interface 331 passes through network transformer electrical connection network PHY chip 312.Herein, network interface
331 primarily as the bridge to communicate between the arm processor 311 on core board 31 and exterior host computer such as PC machine.
USB HUB modules 332 are electrically connected the USB PHY chips 313 on core board 31, it expands primarily as USB interface
Exhibition is used.
USB port 333 is electrically connected USB HUB modules 332, it can be used for patching USB flash disk, so that the configuration route of the present embodiment
The LED display control programs 13n of WiFi module supports to play out from USB flash disk importing medium program in asynchronous mode.
Audio interface 334 is electrically connected the voicefrequency circuit 314 on core board 31, it is used for external speaker.
Isochronous/asynchronous mode switch key 335 is electrically connected core board 31, so that the configuration route WiFi module of the present embodiment
LED display control programs 13n is switchably operated in synchronous mode or asynchronous mode, namely the broadcasting media source of FPGA module
Can (corresponding asynchronous mode) be provided by arm processor 311 or external video source passes through Video decoding module 340
There is provided (corresponding synchronous mode), namely the LED display control programs 13n of the configuration route WiFi module shown in Fig. 2 is configuration road
By the bimodulus LED display control programs of WiFi module.
Serial port module 336 is electrically connected the UART (Universal of the arm processor 311 on core board 31
Asynchronous Receiver/Transmitter, universal asynchronous receiving-transmitting transmitter) port, it is for example including level conversion
Circuit, RS232 interface, RS485 transceivers and RS485 interfaces, RS232 interface are electrically connected at ARM by the level shifting circuit
The UART ports of device 311 are managed, RS485 interfaces are sequentially electrically connected arm processor by RS485 transceivers and the level shifting circuit
311 another UART ports.In addition, the equipment that RS485 interfaces are primarily used to connection peripheral distance somewhat far point, such as light probe
Deng；RS232 interface uses when being usually and being used for debugging operations system, print some Debugging message.It is, of course, understood that
RS232 interface and RS485 interfaces are not limited to set at the same time.
SD card interface circuit 337 is electrically connected the arm processor 311 of core board 31, so that the configuration route of the present embodiment
The LED display control programs 13n of WiFi module supports to play out from SD card importing medium program in asynchronous mode.
FPGA (Field Programmable Gate Array, field programmable gate array) module 338 is electrically connected core
Arm processor 311 on plate 31, it mainly handles interactive information between arm processor 311, and by the information of display
It is sent to target LED screen, or even empowerment management function is done in the use to product；Herein, FPGA module 338 can also be that other can
Programmed logic device module, such as CPLD (Complex Programmable Logic Device, complicated programmable logic device
Part) module etc..
Memory module 339 is electrically connected FPGA module 338, it is mainly used for the data and such as storing FPGA module 338
It is SDRAM or other volatile memory.
Video decoding module 340 is electrically connected FPGA module 338, it is for example including HDMI receiver (HDMI receiver)
And the video source such as HDMI video source that can mainly handle outside in synchronous mode inputs, then it is route by this configuration
The LED display control programs 13n of WiFi module is output in LED screen after handling the HDMI data of input and shows.
One-chip computer module 341 is electrically connected FPGA module 338, it is primarily used to control power supply, from clock and battery module
342 obtain storage time to arm processor 311, and the chamber door for detecting some temperature, humidity, voltage and alarm and LED box is opened
The functions such as the detection of pass.
Clock and battery module 342 are electrically connected one-chip computer module 341, it is primarily to keep system time and network same
What step used, can be to avoid the problem of time loses after system cut-off.
Energy supply control module 343 is electrically connected one-chip computer module 341 and core board 31, is mainly controlled by one-chip computer module 341
Power supply processed is powered to arm processor 311, prevent arm processor 311 once power on it is breakdown, burn out.
Network output module 344 is electrically connected FPGA module 338, it mainly controls data to export by FPGA module 338, even
Receive and block and display data is sent to LED screen such as lamp stand LED screen by receiving card.Preferably, network output module 344
For two-way kilomega network output module.In addition, typically, network output module 344 includes kilomega network PHY chip and network interface for example
RJ45 interfaces.
Route 351 electrical connection network PHY chip 312 of WiFi module and network interface 331, its can be used as Station patterns and
Ap mode uses, and has the function of to route WiFi, and can carry out parameter setting by the webpage at PC ends；In addition, user can
By the mobile terminal such as equipment such as mobile phone, PAD, the route WiFi module for being connected to this LED display control programs 13n is led to
Letter；The operation for carrying out parameter configuration, adjusting brightness, detecting LED display control programs shows LED by the APP of mobile terminal
Whether state is good, sends broadcasting media program etc.；Under no network condition, by mobile phone link road by WiFi module 351
Media program sending function can be achieved.
3G/4G modules 353 are used as mobile network communication module, it can be the plate card type module with PCI-E interface, from
And it is arranged on pluggablely on wireless communication daughter board 35.In addition, 3G/4G modules 353 are for example with being integrated with 3G and GPS functions
SIM5352E chips.Furthermore due to the setting of 3G/4G modules 353, mobile network is connected whenever and wherever possible in can applying outdoors
Network, access the newest information in internet；GPS functions can be used for determining current location where this LED display control programs 13n
Position.
Hold it is above-mentioned, for foregoing WiFi serial connection application mode, as route WiFi module firmware program, it is necessary to
Support WDS functions.It is well known that WDS (Wireless Distribution System), Chinese is wireless distributed system
System, it is the agreement of two access points (AP) of wireless connection；In whole WDS wireless networks, multiple AP by bridge joint or in
Connected after mode, make whole local area network wirelessly based on.Wherein WDS has repeater mode Repeater and bridge joint
Two kinds of Mode B ridge, the main difference of both of which is：For repeater mode, its information received from a certain access point
Bag can be forwarded to another access point by WDS connections；And bridge mode, it can only by the packet that WDS connections receive
Being forwarded to cable network, (such as by wireless bridging pattern, route WiFi module 351 shown in Fig. 3 will can receive
Packet is forwarded to arm processor 311 through network PHY chip 312) or wireless host.
In order to realize the data transfer of WiFi series winding application modes, the firmware program for routeing WiFi module also needs to what is supported
Function have it is following some：The open and close of DHCP functions, the pattern switching of WiFi function, the power-off control to routeing WiFi module
System operation, route WiFi to routeing WiFi module warm reset, the operation to routeing WiFi module factory reset and logging in
The IP configuration features of the WEB configuration interfaces of module, it is specific as shown in Figure 4.
Fig. 4 is the configuration interface schematic diagram of route WiFi module, be can be clearly seen that in configuration interface：Match somebody with somebody in WiFi
Put under interface, there are some functions as shown in Figure 4, and by upper computer software, user can select the work of route WiFi module
Operation mode, when user selects wireless bridging pattern, route WiFi module will be arranged to wireless bridging pattern, at this time can
To realize the mutual wireless concatenation function between route WiFi module using such a pattern；Ensureing first order route WiFi module
In the case of can surfing the Internet, the second level route WiFi module and connects first order route WiFi moulds by the Station patterns of oneself
The AP of block, and the IP that route WiFi module in the second level obtains at this time is also to distribute work(by the DHCP of first order route WiFi module
The route WiFi module such as the IP that can be provided, the third level mounted backward, fourth stage and so on, realize whole system multistage road
By the wireless bridging function between WiFi module.
Multistage route WiFi module build successfully after, user can in advance to every grade route WiFi module title into
Row is set such as：WiFi_1, WiFi_2 ..., WiFi_n etc., so when realizing information forwarding, the terminal for routeing WiFi module is soft
Part can be by name search to next stage WiFi module, and information forwarding is route WiFi module in next stage, is realized with this
Information mutual communication between multistage route WiFi module.
If the general mode in Fig. 4 is exactly one when AP+Station patterns (access point+client mode) coexist
The similar pattern commonly routeing, under this kind of pattern, it is possible to achieve the AP heat of outside router is connected by its Station pattern
Point, and AP hot spots itself can also be sent, other equipment can also access wherein, can surf the Internet in route WiFi module same
When, it is possible to achieve the function that the equipment mounted under its AP hot spot can also surf the Internet
In the normal mode, when setting DHCP to close, route WiFi module has the function of similar general switch, can
To realize bridging functionality by cable network；In the case where DHCP is closed, even if without external network, outside can also be realized
Equipment link road is by the corresponding AP hot spots of WiFi module, to realize external equipment (such as mobile phone, notebook) and route WiFi module
Information exchange function.
The WiFi pattern switchings of the present embodiment distinguish two kinds of different modes, and one kind is to switch to wireless bridge from general mode
Connect pattern：It is knowable to user since the WiFi under general mode logs in IP, can directly passes through HTTP orders and route
WiFi module interacts, and realizes general mode switching to wireless bridging pattern；Another kind is from wireless bridging pattern switching
To general mode, due to the IP for after routeing WiFi module and being switched to wireless bridging pattern, routeing WIFI module be user not
It is knowable, then communication can not be realized by HTTP, one of following three kinds of schemes can be used to switch at this time：
1) the 1 GPIO mouthfuls agreements that a communication is implemented separately are docked by hardware so that pattern switches over；
2) can be by routeing the factory reset of WiFi module with button (such as positioned at the wireless communication shown in Fig. 3
On plate 35) multiplexing functions are carried out, switching is realized by the time of the long-press short-press of button；
3) due to other modules (or referred to as LED display controls mould on route WiFi module and LED display control programs
Block) MAC Address be unique, therefore the switching of corresponding communication protocol implementation pattern can also be established in MAC layer, but such a
Mode implements relatively complicated.
As shown in figure 4, it can also realize that WiFi warm resets, WiFi recover to dispatch from the factory in the advanced settings options of configuration interface
Then the operation such as setting, mode all notice roads that the two operations are realized could pass through HTTP by the IP that logs in of WiFi module
Realize and communicate between route WiFi module.The mode of http communication is such as：http://192.168.10.1/:.wop:Reset,
This order is sent to route WiFi module by routeing the LAN mouths of WiFi module, after route WiFi module receives, is returned
Multiple OK represents communications setting success.
Another function of the embodiment of the present invention is exactly that the setting that IP is logged in WiFi can be realized by upper computer software,
User can log in IP according to the use environment of oneself, the self-defined setting WiFi of oneself, and the IP of current default is
(192.168.10.1 as shown in Figure 4).
The power-off restarting operation of current route WiFi module is to go to operate by two ways, and one is shown with LED
What the power-off restarting of control system terminal software was set together, when LED display control programs by user setting power-off restarting it
Afterwards, system first can carry out power down process to the system for routeing WiFi module, and then LED display control modules are carried out at power-off again
Reason operation；Another is on configuration interface as shown in Figure 4, can be implemented separately and the power-off restarting for routeing WiFi module is grasped
Make, to meet the application demand of different occasions.
In conclusion present invention can reach following one or more beneficial effects：A) can pass through
WiFi concatenations realize the wireless communication between the LED display control programs of configuration route WiFi module；B) with pure 3G application schemes
Compare, flow cost can be saved；And c) hardware environment building method is simpler, without wired cost input, whole system group
Into framework advantage of lower cost.Further it will be understood that core board 31, bottom plate 33 and wireless communication daughter board 35 shown in Fig. 3
On each element can also be incorporated into same circuit board rather than be divided on the different circuit board of polylith.
Finally it should be noted that the WiFi concatenation schemes that the embodiment of the present invention proposes are not limited to multiple lamp stand LED screens,
Its equally applicable other kinds of LED display, as long as its LED display control program connected is configured with route WiFi module
.Furthermore the bimodulus LED display control programs shown in Fig. 3 are only the act for the LED display control programs for being configured with WiFi module
Example, it is not used for limiting the present invention, such as it can also be the configuration route WiFi module that can only operate under asynchronous mode
LED display control programs (for example dispensing the Video decoding module 340 in structure shown in Fig. 3).
The above described is only a preferred embodiment of the present invention, not make limitation in any form to the present invention, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any to be familiar with this professional technology people
Member, without departing from the scope of the present invention, when the technology contents using the disclosure above make a little change or modification
For the equivalent embodiment of equivalent variations, as long as being the technical spirit pair according to the present invention without departing from technical solution of the present invention content
Any simple modification, equivalent change and modification that above example is made, in the range of still falling within technical solution of the present invention.
Claims (10)
1. a kind of lamp stand LED screen system, including three and above LED display control programs and respectively with described three and more than
LED display control programs connect and multiple lamp stand LED screens of spaced setting；It is characterized in that, described three and above LED
Display control program is each configured with route WiFi module, and the route WiFi module is switchably to be operated in general mode
Or wireless bridging pattern, and described three and above LED display control programs operationally being operated in by each self-configuring
The route WiFi module of wireless bridging pattern is wirelessly serially connected, so that described three and above LED display controls
The forwarding step by step of media program can be wirelessly carried out between system.
2. lamp stand LED screen system as claimed in claim 1, it is characterised in that each described LED display control program includes
Embeded processor, network PHY chip, programmable logic device module, network output module, network interface and route WiFi module,
The network PHY chip is electrically connected the embeded processor, and the programmable logic device module is electrically connected described embedded
Processor, the network output module are electrically connected the programmable logic device module, and the network interface is electrically connected the network PHY
Chip, the route WiFi module are electrically connected the network PHY chip and the network interface.
3. lamp stand LED screen system as claimed in claim 2, it is characterised in that the embeded processor and the network PHY
Chip is arranged on first circuit board, and the programmable logic device module, the network output module and the network interface are set
On the second circuit board, and the route WiFi module is arranged on tertiary circuit plate.
4. lamp stand LED screen system as claimed in claim 2, it is characterised in that each described LED display control program also wraps
Video decoding module and isochronous/asynchronous mode switch key are included, the Video decoding module is electrically connected the programmable logic device
Module and for connecting external video source, the isochronous/asynchronous mode switch key is electrically connected the embeded processor and is used for
Switch the LED display control programs and be operated in synchronous mode or asynchronous mode.
5. lamp stand LED screen system as claimed in claim 1, it is characterised in that each described LED display control programs configuration
Route WiFi module be switchably to be operated in general mode or wireless bridging pattern, wherein the general mode is
Station patterns and ap mode work at the same time pattern.
6. a kind of LED display control system, including three and above LED display control programs, described three and above LED show
Show that control system is respectively used to connect multiple LED displays；It is characterized in that, described three and above LED display control programs
Route WiFi module is each configured with, and the route WiFi module is switchably to be operated in general mode or wireless bridging mould
Formula, and described three and above LED display control programs are operationally operated in wireless bridging pattern by each self-configuring
Route WiFi module be wirelessly serially connected so that can between described three and above LED display control programs
Wirelessly carry out the forwarding step by step of media program.
7. LED display control system as claimed in claim 6, it is characterised in that each described LED display control program
Including embeded processor, network PHY chip, USB PHY chips, programmable logic device module, Video decoding module, network
Output module, isochronous/asynchronous mode switch key, network interface, USB HUB modules and wireless communication daughter board, the network PHY chip
The embeded processor is electrically connected, the USB PHY chips are electrically connected the embeded processor, the programmable logic device
Part module is electrically connected the embeded processor, and the Video decoding module is electrically connected the programmable logic device module and use
In connection external video source, the network output module is electrically connected the programmable logic device module, the synchronous/asynchronous mould
Formula switch key is electrically connected the embeded processor and is operated in synchronous mode or different for switching the LED display control programs
Step mode, the network interface are electrically connected the network PHY chip, and the USB HUB modules are electrically connected the USB PHY chips, institute
State wireless communication daughter board and be electrically connected network interface, the network PHY chip and the USB HUB modules, and the wireless communication
The route WiFi module is provided with daughter board.
8. LED display control system as claimed in claim 6, it is characterised in that each described LED display control program
Including embeded processor, network PHY chip, USB PHY chips, programmable logic device module, network output module, net
Mouth, USB HUB modules and wireless communication daughter board, the network PHY chip are electrically connected the embeded processor, the USB
PHY chip is electrically connected the embeded processor, and the programmable logic device module is electrically connected the embeded processor, institute
State network output module and be electrically connected the programmable logic device module, the network interface is electrically connected the network PHY chip, described
USB HUB modules are electrically connected the USB PHY chips, and the wireless communication daughter board is electrically connected the network interface, the network PHY core
Piece and the USB HUB modules, and the route WiFi module and button, the button are provided with the wireless communication daughter board
For by it is described route WiFi module from wireless bridging pattern switching to another operating mode.
9. LED display control system as claimed in claim 7 or 8, it is characterised in that also set on the wireless communication daughter board
It is equipped with 3G/4G modules.
10. LED display control system as claimed in claim 6, it is characterised in that each described LED display controls system
The route WiFi module under unified central planning put is switchably to be operated in general mode or wireless bridging pattern, wherein the general mode is
Station patterns and ap mode work at the same time pattern.
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| CN201610077583.7A CN105551429B (en) | 2016-02-03 | 2016-02-03 | Lamp stand LED screen system and LED display control system |
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| CN201610077583.7A CN105551429B (en) | 2016-02-03 | 2016-02-03 | Lamp stand LED screen system and LED display control system |
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| CN105551429A CN105551429A (en) | 2016-05-04 |
| CN105551429B true CN105551429B (en) | 2018-05-15 |
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| CN201610077583.7A Active CN105551429B (en) | 2016-02-03 | 2016-02-03 | Lamp stand LED screen system and LED display control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107092459A (en) * | 2017-05-31 | 2017-08-25 | 西安诺瓦电子科技有限公司 | Exchange method and interactive device and display screen control system |
| CN108281108A (en) * | 2018-03-19 | 2018-07-13 | 南京信息工程大学 | A kind of all-colour LED array drive device based on FPGA |
| CN115943456A (en) * | 2019-09-09 | 2023-04-07 | 西安诺瓦星云科技股份有限公司 | LED display screen controller and display control system |
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