CN103971645B - GPRS-based remote LED panel control system - Google Patents
GPRS-based remote LED panel control system Download PDFInfo
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- CN103971645B CN103971645B CN201410221356.8A CN201410221356A CN103971645B CN 103971645 B CN103971645 B CN 103971645B CN 201410221356 A CN201410221356 A CN 201410221356A CN 103971645 B CN103971645 B CN 103971645B
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Abstract
The invention relates to network remote control, in particular to a GPRS-based remote LED panel control system. The GPRS-based remote LED panel control system comprises an upper computer control terminal, a transit server and lower computer LED panels. The upper computer control terminal is in network connection with the lower computer LED panels through the transit server. According to the GPRS-based remote LED panel control system, remote control is achieved through the intranet penetration technology and the transit server, and each LED panel can be controlled by all networked PCs; wired control and wireless remote control are both achieved; the laying cost of communication lines and the communication fault rate are reduced; the stability and timeliness of LED information transmission are enhanced; the LED panels can receive information issued by the upper computer control terminal at any time, so that the working efficiency of the LED panels is greatly improved; the remote transmission data volume of the LED panels is increased, the information is sent through a GPRS DTU, the TCP/IP network protocol is adopted, and the number of networked terminals is not limited; the remote application distance of the LED panels is extended, and the LED panels can be used at any places with GPRS network coverage without distance limitation.
Description
Technical field, the present invention relates to network remote controls, particularly belongs to led display screen remote control field.
Background technology
In real world applications, major part is all single non-Internet of Things design to led display screen, does not enable many led and shows
The wide area publicity of screen and real-time update.In the load mode of led display information, by wire transmission, then need
The spending of extra one track laying of increase；And existing be wirelessly transferred, have that telecommunication quality is low, disposable transmission again
Drawback and the limitation such as data volume is few.
Content of the invention
The system is directed to various drawbacks and the limitation of traditional led display screen, stablizes perfect remotely control system by a set of
System solves these problems, controls including the universal remote realizing many led display screen, the real-time update of display content, Display pattern
Change, automatic, manual mode the adjustment of display brightness, wired closely control and network remote control model switching,
The function of display screen bad point feedback of the information, all carries out unified monitoring by upper computer software.
The technical scheme solving this problem is: a kind of long-range led display screen control system based on gprs, and its feature exists
In: include PC control end, transfer server and slave computer led display screen；PC control end and slave computer led display screen
Network connection is set up by transfer server；Slave computer led display screen includes microcontroller and the data of connection microcontroller is deposited
Reservoir, bad point detection module, serial port module, luminous intensity detection module and led display screen, bad point detection module connects led and shows
Screen, serial port module connects gprs module；The data summarization of modules, to microcontroller, carries out uniform data by microcontroller
Reason, the bad point information of led display screen is sent to PC control end by microcontroller and serial port module, passes through serial ports simultaneously
Module obtains the data from PC control end or receives the network data from transfer server by gprs module, and
Display information is stored data storage, screen display is shown in led according to control command；PC control end includes controlling
End software and the pc control terminal being attached thereto and mobile phone control terminal, user is monitored using different terminal control modes
And control；Transfer server includes server software and peanut shell software, and transfer server sets up PC control end and bottom
The network connection of machine led display screen；Server software enables Intranet and penetrates, and allows PC control end and slave computer led to show
Screen, under having the assistance of transfer server of public network ip address, is realized network service, is not being enabled the situation that Intranet penetrates
Under, using transfer server as bridge, using transfer technology, the data that PC control end is sent first is kept in, and then forwards
To slave computer led display screen；Peanut shell software can by the dynamic public network ip address binding of transfer server to fixing domain name, on
Position machine control end and slave computer led display screen then pass through the fixing domain name of parsing, thus the dynamic ip of indirect gain transfer server
Address, realizes network connection.
Further, described control end software completes the conversion of display information, tcp/ip network connection, screen running status
Monitoring, the parameter such as the display content of remotely control led display screen, display font, Display pattern, screen intensity.
Further, described server software is write based on vc6.0, realizes Intranet and penetrates or data relay, supports many led
Display screen networking and multi-user control simultaneously.
Further, described bad point detection module can need the bad point feedback of the information of screen to PC control according to client
End 1.
Further, described luminous intensity detection module can be according to the change of the intensity of illumination of site environment, automatically by setting in advance
The proportion adjustment screen intensity reserved, i.e. screen intensity=linear relationship * intensity of illumination, screen intensity and intensity of illumination are a kind of
Linear relationship, intensity of illumination is stronger, and screen intensity is brighter, otherwise intensity of illumination is weaker, and screen intensity is then darker.
Using method of the present invention is:
1st, the setting to the slave computer led display screen 3 of the long-range led display screen control system based on gprs, opens the next
Electromechanical source master switch, makes all hardware module be energized and runs, and the running status of detection gprs module makes network service normal；
2nd, the setting to the transfer server 2 of the long-range led display screen control system based on gprs, has public network ip's
Using fixing domain logon peanut shell software 15, runtime server software 14 on computer, click on operation service, click on network inspection
Survey, see whether the public network ip and local ip of software show consistent, server is in public network state, when host computer control if unanimously representing
When end 1 processed is successfully connected transfer server 2 with slave computer led display screen 3, the customer side state on the interface of server software 14
The state instruction icon of the control end in area and display screen will be displayed as online, and will become colored by grey, facilitates user to know
Not；
3rd, the setting to the PC control end 1 of the long-range led display screen control system based on gprs, according to actual conditions
To select control mode: network controls and serial ports controls；If remotely control, select the network connection in the software interface upper left corner,
Until icon shows colour, show to be successfully connected server, if screen status area display is colored, show to be successfully connected slave computer
Led display screen 3, whole system is normally run；Serial ports controls needs configured in advance well current COM1, then clicks on serial ports control
, colour and shows to be arranged to work(in system.
Present invention feature compared with the prior art is as follows:
1. realize remotely control using Intranet through-transmission technique and transfer server, enable to allow all networkings pc controlling
Make each led display screen.
2. control mode flexibly, closely also can do Wireless remote control using there being line traffic control.
3. do main control chip using stm32f103, internal memory is big, and the speed of service is fast.
4. adopt gprs to communicate, reduce led display screen communication line laying cost and communication failure rate.
5. strengthen stability and the promptness of led information transfer, led display screen can receive PC control end at any time and issue
Information, greatly improve the operating efficiency of led display screen.
6. increase the data volume of led display screen remote transmission, information is sent by gprs dtu, using tcp/ip network association
View, terminal networking quantity is unrestricted.
7. extend the distance of led display screen remote application, as long as the place of the gprs network coverage can use, be not subject to distance
Limit.
Brief description
Fig. 1 is overall system design block diagram；
Fig. 2 is slave computer led display screen theory diagram；
Fig. 3 is control end software design block diagram；
Fig. 4 is transfer server software design block diagram；
Fig. 5 penetrates block diagram for dup Intranet；
Fig. 6 is transfer server software interface；
Fig. 7 is peanut shell software interface；
Fig. 8 is bad point detection module principle block diagram；
Fig. 9 is luminous intensity detection module theory diagram；
Figure 10 is control end software interface；
Figure 11 is control end software design block diagram；
Figure 12 is server software design frame chart；
In figure: 1 PC control end, 2 transfer servers, 3 slave computer led display screens, 4 microcontrollers, 5 bad point detection moulds
Block, 6 led display screens, 7 data storages, 8 serial port module, 9 gprs modules, 10 luminous intensity detection modules, 11 pc control eventually
End, 12 mobile phone control terminals, 13 control end softwares, 14 server softwares, 15 peanut shell softwares, 16 sampling resistors, 17 simulations are opened
Pass, 18 difference amplifier i, 19 a/d converter i, 20 voltage comparators, 21d/a converter, 22 photo resistance, 23 differential amplifications
Device ii, 24 a/d converter ii, 25 information input interfaces, 26 display effect previews, 27 dot array datas productions, 28 DDNS solutions
Analysis, 29 tcp/ip agreements, 30 led hardware detection, 31 dynamic territory analyzings, 32 led on line refreshable lists, 33 control ends exist
Line refresh list, 34 data relays, 35 Intranets penetrate, 36 led log in management, 37 control end request monitoring.
Specific embodiment
Referring to the drawings, more detailed description realizes the embodiment of technical solution of the present invention.
Embodiment 1
A kind of long-range led display screen control system based on gprs, including PC control end 1, transfer server 2 and under
Position machine led display screen 3；PC control end 1 and slave computer led display screen 3 set up network connection by transfer server 2；Under
Position machine led display screen 3 includes microcontroller 4 and the data storage 7 connecting microcontroller 4, bad point detection module 5, serial ports mould
Block 8, luminous intensity detection module 10 and led display screen 6, bad point detection module 5 connects led display screen 6, and serial port module 8 connects
Gprs module 9；The data summarization of modules, to microcontroller 4, carries out uniform data process by microcontroller 4, led is shown
The bad point information of screen 6 passes through microcontroller 4 and serial port module 8 is sent to PC control end 1, is obtained by serial port module 8 simultaneously
Fetch the data from PC control end 1 or the network data from transfer server 2 is received by gprs module 9, and will
Display information stores data storage 7, is shown on led display screen 6 according to control command；PC control end 1 includes controlling
End processed software 13 and the pc control terminal 11 being attached thereto and mobile phone control terminal 12, user adopts different terminal control modes
It is monitored and control；Transfer server 2 includes server software 14 and peanut shell software 15, and transfer server 2 is set up upper
Machine control end 1 and the network connection of slave computer led display screen 3；
Server software 14 enables Intranet and penetrates, and allows PC control end 1 and slave computer led display screen 3 have public affairs
Under the assistance of transfer server 2 of net ip address, realize network service, do not enabling in the case that Intranet penetrates, with transfer
Server 2 as bridge, using transfer technology, first keep in, and is then forwarded to slave computer by the data that PC control end 1 is sent
Led display screen 3, peanut shell software 15 can be upper by the dynamic public network ip address binding of transfer server 2 to fixing in domain name
Machine control end 1 and slave computer led display screen 3 then pass through the fixing domain name of parsing, thus the dynamic ip of indirect gain transfer server 2
Address, realizes network connection；Microcontroller 12 is microcontroller, specially stm32f103 chip.
Embodiment 2
As the long-range led display screen control system based on gprs in above-described embodiment 1, server software 14 is based on vc6.0
Write, including dynamic territory analyzing 31, led on line refreshable list 32, control end on line refreshable list 33, data relay 34, interior
Net penetrates 35, led and logs in management 36 and control end request monitoring 37 7 big modules；The effect of dynamic territory analyzing 31 is that parsing is solid
Determine domain Name acquisition the machine ip address；The effect of led on line refreshable list 32 is to show led display screen presence in real time；Control
The effect of end on line refreshable list 33 is to show led display screen presence in real time；The effect of data relay 34 is to make control end
With the communication data of led display screen all after server, just it is transmitted to other side；The effect that Intranet penetrates 35 is server conduct
Intermediary, the network of connection double end；The effect that led logs in management 36 is to process logging in and offline request of led；Control end is asked
The effect of monitoring 37 is to process logging in and offline request of control end；
The entitled long-range led at the interface of server software 14 controls transfer server, the network inspection in server state area
Survey button, its function is detect whether the ip address of current transfer server is public network ip address, when clicking on, understands soft
Public network ip below part interface and local ip display field display ip address, if both ip addresses of display are identical, are public network ip
Address, is exactly otherwise Intranet ip address；Opening service button and closing service button is same button, and function is to open or close
Close transfer server, when clicking on, state instruction icon will be displayed as online, and will become colored by grey, service
Device runs；The control end of customer side state area and display screen are shown that whether control end and display screen all successfully link up transfer
Server, after control end and display screen are all successfully connected server, both state instruction icons will be displayed as online, and
To become colored by grey, if only one side is successfully connected, only one side will be displayed as online, and state instruction icon will
Become colored by grey；The viewing area of information feedback area be shown that control end send be led display screen 6 display data also
It is control command, and the ip address of PC control end 1 and slave computer led display screen 3 and respective COM1；Stop aobvious
Show that the function of button is off the display of viewing area；When clicking on, then can stop the display of viewing area；Remove the Show Button
Function be remove viewing area display, when clicking on, then can remove the display of viewing area；
Peanut shell software 15 can be upper by the dynamic public network ip address binding of transfer server 2 to fixing domain name
Machine control end 1 and slave computer led display screen 3 then pass through the fixing domain name of parsing, thus the dynamic ip of indirect gain transfer server 2
Address, realizes network connection；After user is using fixing this software of domain logon, just can achieve that dynamic public network ip address is tied up
Determine in fixing domain name；
The computerized version of control end software 13 is write based on vc6.0, and Android version base is write in eclipse, two versions soft
Part design framework is the same, generates 27, DDNS including information input interface 25, display effect preview 26, dot array data
Parsing 28, tcp/ip agreement 29 and the big module of led hardware detection 30 6；The effect of information input interface 25 is that user will show
Word Input Software interface on text edit box；The effect of display effect preview 26 is by the dot array data ultimately generating also
The former effect preview area being shown on interface；Dot array data generate 27 effect be by the text conversion of user input be dot matrix number
According to；The effect of dynamic territory analyzing 28 is to parse server ip address according to server domain name；The effect of tcp/ip agreement 29
It is that the network service providing bottom is supported；The effect of led hardware detection 30 is the hardware state of real-time monitoring led display screen；
The entitled long-range led display screen control terminal of the software interface of the computerized version of control end software 13；Start and control
The network control button in area, its function is to carry out network to control slave computer led display screen, when clicking on, then carries out network
Control, and state instruction icon will become colored by grey；Serial ports control button, its function is to carry out wired serial ports to control, when
Click on, then carrying out has line traffic control, and state instruction icon will become colored by grey；The led in screen control area differentiates
The function of rate is the size selecting led display resolution；The function of Display pattern is to select different Display patterns；Move speed
The function of degree is to adjust the speed moving speed, and a total of ten grades are available, and bigger grade, and switch speed is faster；Edge
The function of side pattern is to select the Display pattern of different display screen frames；The function of fringing speed adjusts fringing pattern
Display speed, a total of ten grades are available, and bigger grade, and switch speed is faster；The function of luminance patterns is to select hand
The display brightness of dynamic control display screen, still automatically adjusts pattern；The function of present intensity is when luminance patterns are set to manually
During regulation, by selecting the brightness to adjust led display screen manually for the different brackets in ten grades, bigger grade, and brightness is got over
Bright；The function of confirmation settings button is when pressed, and the control command in screen control area just can confirm to send and show；In advance
The function of viewing area of window region of looking at is the content that preview user will show；The function of page up button is ought to press this to press
Button, viewing area will show the content of page up；The function of lower one page button is when pressed, and viewing area will show lower one page
Content；The function on the server domain name hurdle in network settings area is the domain name filling in server；The function on Service-Port hurdle is
The COM1 of setting server pc；The viewing area of screen status area is shown that current system conditions, and PC control end
Slave computer led display screen whether can be controlled, if can, state instruction icon is displayed on line, and will become colored by grey；Remove
The function of button is to remove the connection state information of viewing area；When the function of the serial port in serial port setting area is provided with line traffic control
Computer serial port parameter；The function of baud rate is provided with the downloading rate of line communication；The function of data bit is provided with line and leads to
The length of the valid data position digit of each frame data during letter；Whether the function of check bit is provided with data being entered during line communication
Row verification；The function of stop position is provided with the length of the stop position of each frame data during line communication.The opening of data transmission interval
The function of file button is text displays inside txt document for the reading and saving；The function of adding clock button is in led
One clock display is added on display screen；The function of adding picture buttons is to add the picture of display on led display screen；Add
The function of bezel buttons is to add a frame to the word that each shows；The function of font settings button is modification display literary composition
The font of word, font and size；The function of display preview button is can be in the content of the viewing area preview input of preview window mouth region；
The function of confirmation send button is confirmation transmission data after preview display content；The function of button of clearing contents is that to remove input aobvious
Show the input content in area；The function of input viewing area is the content showing input.
Embodiment 3
In above-described embodiment 1 or 2, bad point detection module 5 includes high precision sampling resistance 16, the simulation obtaining sampled voltage
Switch 17, difference amplifier i18, a/d converter i19, voltage comparator 20, d/a converter 21 data memory 7；This reality
Applying example adopts 16 groups of sampling resistors 16 to connect ten six analog switches 17, ten six analog switch 17 connection difference amplifier altogether
I18, difference amplifier i18 connect a/d converter i19 and voltage comparator 20, and a/d converter i19 connects data storage 7,
Data storage 7 connects d/a converter 21, and d/a converter 21 connects voltage comparator 20, and voltage comparator 20 connects microcontroller
Device 4；The dynamic scan mode of this display screen uses the first row and the combination of the 17th row of display screen, the second row and the 18th
Row combination, scans, 16 groups altogether by that analogy, and a cycle scans 16 times, and it is always electric that sampling resistor is arranged on each group of row cutting
Lu Zhong, under the control of microcontroller 4, connects ten six analog switches 17 during normal sample while often driving one group of led
Respective channel, after signal is through the suitable amplification of difference amplifier 18, is saved in data storage 7 by a/d converter i19
In, sampling obtains the normal display data of whole screen for 16 times.After microcontroller 4 sends sense command, often drive during detection sampling
The respective channel of ten six analog switches 17 is connected while one group of led, after signal is through the suitable amplification of difference amplifier, with
During normal sample, signal after d/a converter 21 conversion for the normal data of the corresponding group that data storage 7 preserves send and voltage
Comparator 20 compares to judge that this group led whether there is bad point, compares whether just can judge whole led display screen through 16 times
There is bad point situation；
When client sends sense command, bad point detection module 5 scans the bad point of screen under the control of microcontroller 4,
In time the bad point information of screen is passed through network-feedback to PC control end 1；
Luminous intensity detection module 10 includes high accuracy photo resistance 22, difference amplifier ii23 and a/d converter ii24；Light
Quick resistance 22 connects difference amplifier ii23, and difference amplifier ii23 connects a/d converter ii24, and a/d converter ii24 connects
To microcontroller 4；Microcontroller 4 reads the pin data of a/d converter ii24, obtains current environment illumination intensity information, leads to
Cross the display brightness that program adjusts led display screen；
Luminous intensity detection module 10, according to the change of the intensity of illumination of current environment, obtains photo resistance 22 both end voltage
Change, after amplifying by difference amplifier ii23, sends microcontroller 4 through a/d converter ii24 to data message.
Claims (4)
1. a kind of long-range led display screen control system based on gprs it is characterised in that: include PC control end (1), transfer
Server (2) and slave computer led display screen (3)；PC control end (1) and slave computer led display screen (3) are serviced by transfer
Network connection set up by device (2)；Slave computer led display screen (3) includes microcontroller (4) and the data of connection microcontroller (4) is deposited
Reservoir (7), bad point detection module (5), serial port module (8), luminous intensity detection module (10) and led display screen (6), bad point detection
Module (5) connects led display screen (6), and serial port module (8) connects gprs module (9)；The data summarization of modules is to microcontroller
Device (4), carries out uniform data process by microcontroller (4), by the bad point information of led display screen (6) pass through microcontroller (4) and
Serial port module (8) is sent to PC control end (1), passes through serial port module (8) simultaneously and obtains from PC control end (1)
Data or the network data being derived from transfer server (2) by gprs module (9) reception, and display information is stored data
Memory (7), according to control command in the upper display of led display screen (6)；PC control end (1) includes control end software (13)
With the pc control terminal (11) being attached thereto and mobile phone control terminal (12), user supervised using different terminal control modes
Control and control；Transfer server (2) includes server software (14) and peanut shell software (15), in transfer server (2) foundation
Position machine control end (1) and the network connection of slave computer led display screen (3)；Server software (14) enables Intranet and penetrates, and allows
Position machine control end (1) and slave computer led display screen (3), under the assistance of transfer server (2) with public network ip address, are realized
Network service, is not enabling in the case that Intranet penetrates, using transfer server (2) as bridge, using transfer technology, upper
The data that position machine control end (1) is sent first is kept in, and is then forwarded to slave computer led display screen (3)；Peanut shell software (15) can be by
To in fixing domain name, PC control end (1) and slave computer led show the dynamic public network ip address binding of transfer server (2)
Screen (3) then passes through the fixing domain name of parsing, thus the dynamic ip address of indirect gain transfer server (2), realizes network connection institute
Stating luminous intensity detection module (10) can be according to the change of the intensity of illumination of site environment, automatically by the proportion adjustment being previously set
Screen intensity, i.e. a=k* b, a are screen intensity, and b is intensity of illumination, and k is linear relationship value；Screen intensity with intensity of illumination is
A kind of linear relationship, intensity of illumination is stronger, and screen intensity is brighter, otherwise intensity of illumination is weaker, and screen intensity is then darker；Bad point is examined
Survey module (5) to include obtaining the sampling resistor (16) of sampled voltage, analog switch (17), difference amplifier i(18), a/d conversion
Device i(19), voltage comparator (20), d/a converter (21) data memory (7)；The present embodiment adopts 16 groups of samplings altogether
Resistance (16) connects ten six analog switch (17), and ten six analog switch (17) connect difference amplifier i(18), differential amplification
Device i(18) connect a/d converter i(19) and voltage comparator (20), a/d converter i(19) connect data storage (7), number
Connect d/a converter (21) according to memory (7), d/a converter (21) connects voltage comparator (20), voltage comparator (20) is even
Connect microcontroller (4)；The dynamic scan mode of this display screen uses the first row of display screen and the 17th row combines, and second
Row and the combination of the 18th row, scan, 16 groups altogether, a cycle scans 16 times, and sampling resistor is arranged on each group by that analogy
In row cutting way circuit, under the control of microcontroller (4), during normal sample, often drive connection 16 tunnels while one group of led
The respective channel of analog switch (17), after the suitable amplification through difference amplifier (18) for the signal, by a/d converter i(19)
It is saved in data storage (7), sampling obtains the normal display data of whole screen for 16 times；When microcontroller (4) sends detection life
After order, connect the respective channel of ten six analog switch (17) while often driving one group of led during detection sampling, signal is through difference
After the suitable amplification of amplifier, preserved with data storage during normal sample (7) corresponding group of normal data is changed through d/a
Signal after device (21) conversion is sent and is compared with voltage comparator (20) to judge that this group led whether there is bad point, compares through 16 times
Relatively just can judge that whole led display screen whether there is bad point situation.
2. the long-range led display screen control system based on gprs as claimed in claim 1, is characterized in that, described control end software
(13) conversion of display information, tcp/ip network connection, the monitoring of screen running status, remotely control led display screen (6) are completed
Display content, display font, Display pattern, screen intensity parameter.
3. the long-range led display screen control system based on gprs as claimed in claim 1, is characterized in that, described server software
(14) write based on vc6.0, realize Intranet and penetrate or data relay, support many led display screen networking and the same time control of multi-user
System.
4. the long-range led display screen control system based on gprs as claimed in claim 1, is characterized in that, described bad point detection mould
Block (5) can need the bad point feedback of the information of screen to PC control end (1) according to client.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410221356.8A CN103971645B (en) | 2014-05-25 | 2014-05-25 | GPRS-based remote LED panel control system |
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| CN201410221356.8A CN103971645B (en) | 2014-05-25 | 2014-05-25 | GPRS-based remote LED panel control system |
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| CN103971645B true CN103971645B (en) | 2017-01-18 |
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