CN201984782U - Time sharing starting system for LED (light-emitting diode) display screen - Google Patents
Time sharing starting system for LED (light-emitting diode) display screen Download PDFInfo
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- CN201984782U CN201984782U CN2011200056437U CN201120005643U CN201984782U CN 201984782 U CN201984782 U CN 201984782U CN 2011200056437 U CN2011200056437 U CN 2011200056437U CN 201120005643 U CN201120005643 U CN 201120005643U CN 201984782 U CN201984782 U CN 201984782U
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- led display
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Abstract
The utility model discloses a time sharing starting system for an LED (light-emitting diode) display screen. The time sharing starting system comprises a control unit, a PLC (programmable logic controller) and an LED (light-emitting diode) display screen, wherein the control unit comprises a clock timing module and a communication interface module, the clock timing module is used for setting time and sends an electrifying command when the system time of the control unit is equal to the set time, the communication interface module is used for sending the electrifying command to the PLC, and the PLC receives the electrifying command from the control unit and controls the LED display screen to start. The time sharing starting system for the LED display screen can set the start time of the display screen according to demands, and the display screen can start automatically when the set time comes. The control unit also comprises a counting module of a counter, the counting module is used for receiving a number set by users and takes the number as a time interval for starting two neighboring relays among a plurality of relays in the PLC, thereby achieving the effect of starting the LED display screen by areas by starting the relays through time sharing so as to be capable of avoiding impact of large current on a power system due to starting of the LED display screen.
Description
Technical field
The utility model relates to the LED display field, relates in particular to a kind of LED display timesharing start-up system.
Background technology
Along with the arrival people of information age also are the diversified development mode to the obtain manner of information, this has brought the space of develop rapidly for various information media kits, LED relies on the free of contamination advantage of its energy-conserving and environment-protective deeply to be penetrated into rapidly in the various information media kits, and wherein most typical representative is exactly a LED display.
Just simple at first some Word messages that show of LED display such as 7 sections charactrons, make it to form different numerals, character pattern by the illuminating state of controlling LED with closed condition.Early stage light-emitting diode display spare display area is little, and Presentation Function is relatively more dull, and then the power of whole LED display screen is also smaller.
Along with led chip in recent years is a Development of Packaging Technology, LED display has obtained significant progress aspect the high brightness at high-power, big display area.In the network system of great power LED display screen work, just in electrical network, added a high-power electric appliance, allowed this electrical appliance moment startup bring very big impact to electrical network as crossing.Exactly because the LED display consumed power is big, so do not advise the working method of taking long-time continuous to light, such as lighting LED display when having evening a lot of masses on the square, to lie fallow can being chosen on some squares, and daytime the stream of people seldom the time outage do not work.So not only can save the tenure of use that the electricity charge can also prolong LED display.
The utility model content
The technical matters that the utility model mainly solves provides a kind of LED display timesharing start-up system, can set LED display start-up time as required, arrives schedule time LED display and starts automatically.
For solving the problems of the technologies described above, the technical scheme that the utility model adopts is: a kind of LED display timesharing start-up system is provided, it is characterized in that, comprise control module, PLC (programmable logic controller (PLC)) and LED display, described control module comprises the clock time block that is used for setting-up time and sends the instruction that powers on when the system time of described control module equates with setting-up time, the communication interface module that is used for sending to described PLC the instruction that powers on; Described PLC receives the instruction that powers on from described control module, and the control LED display starts.
Wherein, described LED display is made up of a plurality of LED demonstration modules, and described PLC includes a plurality of relays, and the startup of a described LED display module is by a described relay control.
Wherein, described control module comprises that also the rolling counters forward module is used for setting the time interval that adjacent two relays of a plurality of relays of described PLC start.
Wherein, described control module also comprises the display module that is used to show described relay duty.
Wherein, described control module and described PLC adopt serial communication.
Wherein, described control module comprises that also the instruction transformation that is used for needs are sent to described PLC is the communications protocol modular converter of PLC message format.
Wherein, described control module also comprises and is used for data are carried out the decimal system, sexadecimal, the mutual data converted format conversion of ASCII character module.
The beneficial effects of the utility model are: the LED display long-time continuous that is different from prior art shows and can not start automatically by setting-up time, LED display timesharing start-up system of the present utility model is by being provided with control module, can accept the time of user's input, and the control LED display starts at this setting-up time.And the zones of different that can set LED display starts respectively according to the time interval of setting, and avoids that LED display one-shot electric current is excessive to impact to electrical network, protects electrical network effectively.
Description of drawings
Fig. 1 is the structured flowchart of the utility model LED display timesharing start-up system;
Fig. 2 is the operation interface figure of the utility model embodiment control module;
Fig. 3 is the structured flowchart of the utility model embodiment control module.
Embodiment
By describing technology contents of the present utility model, structural attitude in detail, realized purpose and effect, give explanation below in conjunction with embodiment and conjunction with figs. are detailed.
PLC, Chinese are programmable logic controller (PLC), and English full name is Programmablelogic Controller.
See also Fig. 1, the utility model provides a kind of LED display timesharing start-up system, comprises control module, PLC and LED display, and wherein control module comprises clock time block and communication interface module.
The clock time block is used for setting-up time and sends the instruction that powers on when the system time of control module equated with the time of user's input, and control module sends the instruction that powers on by communication interface module to PLC; After the instruction that powers on of PLC reception from control module, the control LED display starts.
It generally is to be provided by computing machine that LED display needs content displayed and playout software etc., and control module can be on computers integrated, by Visual Basic software design, can make full use of the software and hardware resources of computing machine like this.
Setting-up time can be provided with as required by the user, the clock time block can be shown as three text boxes on the operation interface of control module, the user is when input digit is represented respectively in three text boxes, divide, second, and adopt 24 hours time systems, or adopt 12 hours time systems additionally to design a text box again to be used to determine to be the morning (AM) or afternoon (PM), when the system time of control module equated with the time of this setting, the clock time block sends the instruction that powers on, the instruction that powers on is sent to PLC by communication interface module, and PLC controls LED display again and starts.Can control the some definite time startup of LED display in one day like this.If in one day, reset start-up time, if the start-up time that is provided with is less than current control module system time, LED display started according to the newly-installed time same day, otherwise just since second day according to starting LED display the start-up time of resetting.
The clock time block can also be designed to be comprised by user's input the time of date, for example working as LED display need start on the date of certain special occasions such as festivals or holidays, commemoration day and so on, the user sets the date that LED display starts input time, when the system time of control module arrived this date, LED display started like this.More specifically, can also further be set to the form of " certain year, in such a month, and on such a day the some time was divided certain second ", the time that the control LED display is determined at a fixed date starts automatically.
The utility model can accurately be set the automatic start-up time of LED display as required by the user, after arriving this setting, is started automatically by PLC control LED display.Such Starting mode can be useful for those LED display that does not need long-time continuous to show, LED display is cut off the power supply when not needing to use, when needing to use, can start automatically according to the time LED display of setting, convenient management, and LED display only show in certain period of time can saves energy and prolong the serviceable life of LED display.
In a specific embodiment, LED display is made up of a plurality of LED demonstration modules, the startup of a LED demonstration module is controlled by a relay, different LED shows that module is by different relay control, in embodiment of the present utility model, be used for starting the relay that LED shows module and be arranged at PLC, relay shows that with LED module is for concerning one to one.
Relay among the PLC can be the relay of entity, also can be to play with relay function identical module with internal memory by logic control by program.
In this embodiment, after PLC received the instruction that powers on that control module transmits, pilot relay started, and the start-up control of the relay LED corresponding with relay shows that module starts, and so just finished the process of LED display startup.Because LED display is made up of a plurality of LED demonstration modules, the abundant information that can show, observability is good, can reach propaganda objective better.
Consult Fig. 3, control module of the present utility model can also comprise that the rolling counters forward module is used for setting the time interval that adjacent two relays of a plurality of relays of PLC start.This time interval is set up on their own as required by the user, on the operation interface of control module, show a text box, accept the numeral of user's input, this numeral is as the time interval of adjacent two relays startup of a plurality of relays in PLC, after PLC receives the instruction that powers on of control module transmission, not once the relay among the PLC all to be started, but relay of one-shot, through restarting a relay after the time interval of setting, start until whole relays according to the time interval of setting starting relay successively like this.To be reacted on the LED display be exactly that different LED shows that module starts successively to starting relay so successively, and just light the LED display subregion, and after whole relays started, all lighted all viewing areas of LED display.Start when showing mould splits owing to LED, electric current increases steadily, avoids causing immediate current greatly electrical network to be produced to impact owing to the once whole starting powers of LED display are excessive and effectively protects electrical network.Particularly be made up of a lot of LED demonstration modules in LED display, when power was very big, the mode that this timesharing starts protected effect more outstanding.
Control module of the present utility model also comprises display module, can show the duty of PLC repeat circuit.See also Fig. 2, the circle of relay below is represented the duty of relay on the display module 1, and Fig. 2 repeat circuit 01 is to the circle blacking of relay 05 below, and expression relay 1 has started to relay 5, and relay 06 to relay 10 is in not starting state.The 2 demonstration times of display interface of clock time block are 15: 22: 00 among Fig. 2, this time is set by the user, expression control LED display started at 15: 22: 00, the 3 demonstration times of display interface of rolling counters forward module are 02 second, expression PLC repeat circuit starts one every 2 seconds points, current time was shown as 15: 22: 10, this time gap has been pass by 10 seconds start-up time, because of relay started at interval in 2 seconds, therefore current relay always has 5 startups, represent relay 01 to relay 05 to start on the display module 1,5 remaining relays also will start in ensuing 10 clocks to be finished.
In a specific embodiment, control module and PLC adopt serial communication, to pre-set serial ports before stating serial communication in realization, in VB (Visual Basic), use the control MSComm of concrete management serial ports, by the following attribute of MSComm is set: communicate to connect the port code name; Communicate to connect speed (bit rate); Post even parity check; Data bit; Position of rest; Communication port state or the like.
Consult Fig. 3, preferably, control module comprises that also the instruction transformation that is used for needs are sent to described PLC is the communications protocol modular converter of PLC message format.Wherein the PLC message format comprises initial order symbol, the finish command symbol, operational order symbol, address command symbol and data command symbol, the directly processing and control element (PCE) instruction of sending of PLC like this, and operate accordingly.
In conjunction with the FX of Mitsubishi series of PLC, its relay Y1-Y10 is corresponding with relay 01-relay 10 among Fig. 2, according to the address algorithm Yi of the FX of Mitsubishi series of PLC equipment (i=1,2 ... 10) the address can draw by following program:
Dim?Str?as?string
Dim?x?as?integer
Dim?y()as?integer
Dim?z?as?integer
Str＝hex((i*100h)+5)
x＝Len(Str)
For?z＝1?to?x
y(z)＝Asc(Mid$(Str，z，1))
end
The unlatching message that can draw relay Y1-Y10 according to above program is:
The program of once opening relay Y1-Y10 according to the time delay interval of setting according to 2 seconds is as follows:
Open Y1 Dim Outstring as String
OutString＝Chr(&H2)+”7”+”0105”+Char(&H3)+”00”
MSComm1.Output＝OutString
Time-delay Delay ()
Open Y2-Y10.......
Consult Fig. 3 equally, preferably, control module of the present utility model also further comprises and is used for data are carried out the decimal system, sexadecimal, the mutual data converted format conversion of ASCII character module.Because the numerical value that the user is accustomed to importing mostly is to adopt the decimal system, and usually uses sexadecimal in PLC.Therefore when the actual use of the utility model, the decimal system information of control module also needs to be converted into sexadecimal, therefore need call the conversion of function hex () realization ready-made in the Visual Basic software from decimal to hexadecimal.For being converted into decimal number,, re-using clng () function and just can realize as long as sexadecimal numerical value is changed into character type though it is also very simple not have its operating process of ready-made function from sexadecimal.Except the decimal system with the conversion between the sexadecimal, also have the conversion between the character Ascii sign indicating number corresponding with it, these can be realized by Asc () and two functions of Chr$ ().The data layout conversion module is set in control module, can directly finishes the mutual conversion of data layout in this module, need not extra call function, efficient is higher.
The above only is embodiment of the present utility model; be not so limit claim of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model instructions and accompanying drawing content to be done; or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present utility model.
Claims (7)
1. a LED display timesharing start-up system is characterized in that, comprises control module, PLC (programmable logic controller (PLC)) and LED display,
Described control module comprises the clock time block that is used for setting-up time and sends the instruction that powers on when the system time of described control module equates with setting-up time, the communication interface module that is used for sending to described PLC the instruction that powers on;
Described PLC receives the instruction that powers on from described control module, and the control LED display starts.
2. LED display timesharing start-up system according to claim 1, it is characterized in that: described LED display is made up of a plurality of LED demonstration modules, described PLC includes a plurality of relays, and the startup of a described LED display module is by a described relay control.
3. LED display timesharing start-up system according to claim 2 is characterized in that: described control module comprises that also the rolling counters forward module is used for setting the time interval that adjacent two relays of a plurality of relays of described PLC start.
4. according to claim 2 or 3 described LED display timesharing start-up systems, it is characterized in that: described control module also comprises the display module that is used to show described relay duty.
5. LED display timesharing start-up system according to claim 1 is characterized in that: described control module and described PLC adopt serial communication.
6. LED display timesharing start-up system according to claim 1 is characterized in that: described control module comprises that also the instruction transformation that is used for needs are sent to described PLC is the communications protocol modular converter of PLC message format.
7. LED display timesharing start-up system according to claim 1 is characterized in that: described control module also comprises and is used for data are carried out the decimal system, sexadecimal, the mutual data converted format conversion of ASCII character module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200056437U CN201984782U (en) | 2011-01-10 | 2011-01-10 | Time sharing starting system for LED (light-emitting diode) display screen |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200056437U CN201984782U (en) | 2011-01-10 | 2011-01-10 | Time sharing starting system for LED (light-emitting diode) display screen |
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| CN201984782U true CN201984782U (en) | 2011-09-21 |
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| CN2011200056437U Expired - Fee Related CN201984782U (en) | 2011-01-10 | 2011-01-10 | Time sharing starting system for LED (light-emitting diode) display screen |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938240A (en) * | 2012-11-08 | 2013-02-20 | 四川长虹电子系统有限公司 | Method for suppressing impulse current of splicing system |
| CN103488454A (en) * | 2013-09-23 | 2014-01-01 | 国家电网公司 | Automatic display system and method of LED (light emitting diode) display screens |
| CN104393500A (en) * | 2014-12-01 | 2015-03-04 | 苏州立瓷电子技术有限公司 | Time division power supply system of LED display screen |
| WO2015066963A1 (en) * | 2013-11-08 | 2015-05-14 | 合肥瑞华电子科技有限责任公司 | Bottom beam structure for display screen |
| CN105070249A (en) * | 2015-09-14 | 2015-11-18 | 广州市亿彩天虹光电科技有限公司 | Lockable LED display screen control method and control system thereof |
| CN105445987A (en) * | 2016-01-07 | 2016-03-30 | 浙江宇视科技有限公司 | Automatic protection method and device of liquid crystal spliced screen |
| CN110033732A (en) * | 2019-05-14 | 2019-07-19 | 上海天马微电子有限公司 | A kind of micro- LED display panel, driving method and display device |
| CN112671929A (en) * | 2021-01-04 | 2021-04-16 | 薛金山 | Time-sharing multiplexing method for communication interfaces of old secondary water supply equipment |
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2011
- 2011-01-10 CN CN2011200056437U patent/CN201984782U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102938240A (en) * | 2012-11-08 | 2013-02-20 | 四川长虹电子系统有限公司 | Method for suppressing impulse current of splicing system |
| CN103488454A (en) * | 2013-09-23 | 2014-01-01 | 国家电网公司 | Automatic display system and method of LED (light emitting diode) display screens |
| WO2015066963A1 (en) * | 2013-11-08 | 2015-05-14 | 合肥瑞华电子科技有限责任公司 | Bottom beam structure for display screen |
| CN104393500A (en) * | 2014-12-01 | 2015-03-04 | 苏州立瓷电子技术有限公司 | Time division power supply system of LED display screen |
| CN105070249A (en) * | 2015-09-14 | 2015-11-18 | 广州市亿彩天虹光电科技有限公司 | Lockable LED display screen control method and control system thereof |
| CN105445987A (en) * | 2016-01-07 | 2016-03-30 | 浙江宇视科技有限公司 | Automatic protection method and device of liquid crystal spliced screen |
| CN110033732A (en) * | 2019-05-14 | 2019-07-19 | 上海天马微电子有限公司 | A kind of micro- LED display panel, driving method and display device |
| CN112671929A (en) * | 2021-01-04 | 2021-04-16 | 薛金山 | Time-sharing multiplexing method for communication interfaces of old secondary water supply equipment |
| CN112671929B (en) * | 2021-01-04 | 2022-07-01 | 薛金山 | Time-sharing multiplexing method for communication interfaces of old secondary water supply equipment |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20190110 |