CN104267286B - LED display screen detection method and system - Google Patents
LED display screen detection method and system Download PDFInfo
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- CN104267286B CN104267286B CN201410514062.4A CN201410514062A CN104267286B CN 104267286 B CN104267286 B CN 104267286B CN 201410514062 A CN201410514062 A CN 201410514062A CN 104267286 B CN104267286 B CN 104267286B
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Abstract
The embodiment of the invention discloses an LED display screen detection method and system. The technical problem that manpower resource consumption is caused by real-time monitoring in a whole aging measurement time quantum through manpower at present is solved; meanwhile, the technical problem that when damage is caused by system crashing caused by irregular display or part damage, which possibly occurs at will, of an LED display screen, troubleshooting and processing cannot be carried out in first time is further solved, and waste of cost is avoided. The LED display screen detection method includes the steps that a control terminal sends testing signals to the LED display screen; the control terminal obtains feedback signals which are returned by the LED display screen and correspond to a test program, the feedback signals are compared with the testing signals, if the feedback signals and the testing signals are coincident, a preset mode is executed, and if the feedback signals and the testing signals are not coincident, early warning prompting is carried out.
Description
Technical field
The present invention relates to electronic technology field, more particularly to the detection method and system of LED display.
Background technology
LED display, is made up of some LED display modules, and each of which LED display module is arranged with several LED
Lamp bead, at the same time, is placed with the LED display of some LED lamp beads, due to the various and substantial amounts of its element, usually can
Quality due to one or more elements etc. is inconsistent to produce damage, cannot normal work so as to cause LED display.
Therefore, before LED display completely dispatches from the factory, need to connect LED display under the long-time of 72 to 168 hours
Power supply carries out the burn-in test of LED display, it usually needs be manually monitored in real time within the whole time period of burn-in test,
The problem for causing LED display screen system to collapse is damaged with the abnormal display or part that prevent LED display from occurring at any time.
However, the above-mentioned artificial technology being monitored in real time within the whole time period of burn-in test for referring to, not only makes
Into the consuming of human resources, meanwhile, the element of LED display is various and substantial amounts, LED display occur at any time not just
Often show or part is damaged when causing system crash and damaging, it is impossible to which the very first time is investigated and processed, and then result in
Waste on cost.
The content of the invention
The detection method and system of a kind of LED display are embodiments provided, is solved existing by artificial
It is monitored in real time within the whole time period of burn-in test, the technical problem of the consuming of caused human resources, meanwhile, when
Abnormal display that LED display is likely to occur at any time or part damage cause system to run quickly when bursting and damaging, it is impossible to when first
Between investigated and the technical problem that processed also further is addressed, it is to avoid the waste on cost.
A kind of detection method of LED display provided in an embodiment of the present invention, including：
Control end sends test signal to the LED screen；
Control end obtains the feedback signal corresponding with the test program that the LED screen is returned, and by the feedback
Signal is compared with test signal, if unanimously, performs prepattern, if inconsistent, carries out early warning.
Preferably,
Control end sends test signal and specifically includes to the LED screen：
Control end sends the test signal every preset time period by wire transmission mode and/or wireless transmission method
To the LED screen.
Preferably,
Control end obtains the feedback signal corresponding with the test program that the LED screen is returned, and by the feedback
Signal is compared with test signal, if unanimously, performs prepattern, if inconsistent, carried out early warning and is specifically included：
Control end obtains the feedback signal corresponding with the test program that the LED screen is returned, and by the feedback
All digital signals of signal are compared with all digital signals of the test signal, if all digital signals one
Cause, then perform prepattern, if single or multiple digital signals are inconsistent, directly prompt and contrast the inconsistent number
Damage/the error message of the display module in the corresponding LED screen of position signal.
Preferably,
Control end sends test signal to also including after the LED screen：
Obtain the power information that the current sense breaker is returned.
Preferably,
The detection method of described LED display also includes：
When the control end carries out preset by the power supply device for controlling to be connected with the LED screen to the LED screen
Between section power-off/supply electric treatment.
The detecting system of a kind of LED display provided in an embodiment of the present invention, including using referring in the embodiment of the present invention
Any one described in LED display detection method control end and LED screen；
The control end and the LED screen set up data cube computation pass by wired communication mode and/or communication
System.
Preferably,
The wired communication mode is that the control end is led to the LED screen by the data loop that data line is set up
Letter mode.
Preferably,
The LED screen includes multiple display modules, and multiple display modules are to be connected in parallel entirely；
Each described display module is connected with current sense breaker, and the current sense breaker connects with the control end
Connect.
Preferably,
The detecting system of the LED display also includes：
Power supply device, is connected with the control end, and is connected by current sense breaker with the LED screen；
Signal lamp, is connected with the control end；
IP Camera, is connected with the control end.
Preferably,
The detecting system of the LED display also includes：
Mobile terminal, is connected with the control end by communication.
As can be seen from the above technical solutions, the embodiment of the present invention has advantages below：
A kind of detection method and system of LED display provided in an embodiment of the present invention, wherein, method includes：Control end
Test signal is sent to the LED screen；Control end obtains the feedback letter corresponding with the test program that the LED screen is returned
Number, and the feedback signal and test signal are compared, if unanimously, prepattern is performed, if inconsistent, carry out pre-
Alert prompting.In the present embodiment, control end send test signal to the LED screen, and by return feedback signal and test signal
Compare, and judged whether to need to carry out early warning according to comparison result, it is existing by manually old so as to solve
Change test the whole time period in be monitored in real time, the technical problem of the consuming of caused human resources, meanwhile, return it is anti-
The design that feedback signal and test signal are compared, the abnormal display or part being likely to occur at any time when LED display is damaged
Ruin when causing system crash and damaging, it is impossible to which the very first time is investigated and the technical problem that processed also further is addressed,
Avoid the waste on cost.
Description of the drawings
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
The accompanying drawing to be used needed for having technology description is briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is that a kind of flow process of one embodiment of the detection method of LED display provided in an embodiment of the present invention is illustrated
Figure；
Fig. 2 is that a kind of flow process of another embodiment of the detection method of LED display provided in an embodiment of the present invention is shown
It is intended to；
Fig. 3 is a kind of structural representation of one embodiment of the detecting system of LED display provided in an embodiment of the present invention
Figure；
Fig. 4 is that a kind of structure of another embodiment of the detecting system of LED display provided in an embodiment of the present invention is shown
It is intended to.
Specific embodiment
The detection method and system of a kind of LED display are embodiments provided, is solved existing by artificial
It is monitored in real time within the whole time period of burn-in test, the technical problem of the consuming of caused human resources, meanwhile, when
When the abnormal display or part damage that LED display is likely to occur at any time causes system crash and damages, it is impossible to when first
Between investigated and the technical problem that processed also further is addressed, it is to avoid the waste on cost.
To enable goal of the invention, feature, the advantage of the present invention more obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described, it is clear that disclosed below to the technical scheme in the embodiment of the present invention
Embodiment be only a part of embodiment of the invention, and not all embodiment.Based on the embodiment in the present invention, this area
All other embodiment that those of ordinary skill is obtained under the premise of creative work is not made, belongs to protection of the present invention
Scope.
Fig. 1 is referred to, a kind of one embodiment of the detection method of LED display provided in an embodiment of the present invention includes：
101st, control end sends test signal to LED screen；
In the present embodiment, before LED display completely dispatches from the factory, need to test LED display, such as aging survey
Examination, it is necessary first to which control end sends test signal to LED screen, it is to be understood that aforesaid test signal can be that LED screen exists
In the state of demonstration work, stop LED screen and demonstrated, send test signal to LED screen.
It should be noted that, aforesaid test signal can be according to the display of kenel, to be straight scanning, tiltedly scanning etc.
Display picture, does not specifically limit herein.
It should be noted that aforesaid LED screen can be LED display, LED mosaic display screens are can also be, the LED is spelled
It can be connected in parallel entirely by multiple display modules to connect display screen, such as display module to be connected in parallel entirely, then control end with it is every
One display module possesses independent loop connected mode, does not specifically limit herein, aforesaid control end, can be PC ends, this
Place is not specifically limited, it is to be understood that whole picture cutting is that multiple little pictures etc. are delivered to one by one respectively by control end
Corresponding multiple display modules.
Aforesaid test signal is digital signal, and such as LED screen is made up of multiple LED particles or display module, then can be with
It is the test signal for setting LED particle or display module as multiple digital signals.
102nd, control end obtains the feedback signal corresponding with test program that LED screen is returned, and by feedback signal and surveys
Trial signal is compared, if unanimously, performs prepattern, if inconsistent, execution step 103；
After control end sends test signal to LED screen, control end obtains the corresponding with test program of LED screen return
Feedback signal, and feedback signal is compared with test signal, if unanimously, perform prepattern, if inconsistent, hold
Row step 103.
It should be noted that aforesaid feedback signal is digital signal, the LED particle or display module institute of such as LED screen
The test signal of multiple digital signals of corresponding IC drive modules, by the digital signal of the multiple feedback signals for returning and test
The digital signal of signal carries out numerical digit comparison.
It is understood that aforesaid prepattern will be described in detail in subsequent embodiment, just no longer go to live in the household of one's in-laws on getting married herein
State.
103rd, early warning is carried out.
When control end obtains the feedback signal corresponding with test program that LED screen is returned, and by feedback signal and test
When signal compares inconsistent, then early warning is carried out, it is to be understood that the mode of aforesaid early warning has various,
Early warning information is for example sent, the prompting of the driving chip signal error on the current LED display of control end is informed, and informs control
End error signal is not specifically limited, the particular content of the early warning herein in position of the driving chip of LED display etc.
To be described in detail in subsequent embodiment, just repeat no more herein.
It should be noted that aforesaid carried out after early warning, control end can also be the correlation according to early warning
Information generates working report, and the working report can be stored in the memory of control end, can also be upload network, also or
It is to send to mobile terminal.
In the present embodiment, control end sends test signal to LED screen, and the feedback signal of return is carried out with test signal
Compare, and judged whether to need to carry out early warning according to comparison result, it is existing by manually in aging survey so as to solve
It is monitored in real time in the whole time period of examination, the technical problem of the consuming of caused human resources, meanwhile, the feedback letter of return
Number design compared with test signal, the abnormal display or part damage being likely to occur at any time when LED display is made
When damaging into system crash, it is impossible to which the very first time is investigated and the technical problem that processed also further is addressed, it is to avoid
Waste on cost.
The above is that the process of the detection method to LED display is described in detail, below will be to specific feedback letter
Number it is described in detail with the process that test signal is compared, refers to Fig. 2, a kind of LED provided in an embodiment of the present invention
Another embodiment of the detection method of display screen includes：
201st, control end by control the power supply device that is connected with LED screen LED screen is carried out preset time point power-off/
For electric treatment；
In the present embodiment, in the present embodiment, before LED display completely dispatches from the factory, need to test LED display,
For example when burn-in test, first control end need the power supply device by controlling to be connected with LED screen to carry out preset to LED screen
Between put confession electric treatment, it should be noted that it is aforesaid control be connected with power supply device, when can pre-set multiple
Between to put and carry out power-off to LED screen or supply electric treatment, for example every morning, certain time point arranged power-off, and certain time point is arranged and supplied
Electricity, does not specifically limit herein.
It is understood that control end can also be carried out by the power supply device for controlling to be connected with LED screen to LED screen
The power down process of preset time point.
202nd, the power information that current sense breaker is returned is obtained；
In the present embodiment, when control end carries out preset by the power supply device for controlling to be connected with LED screen to LED screen
Between point for after electric treatment, control end needs to obtain the power information that current sense breaker is returned, it is to be understood that when zero
When part damage causes short circuit, when current sense breaker automatically cuts off power supply, the power information cut off the electricity supply is returned to control end
Pointed out.
203rd, control end conveys aging program and is shown to the LED screen after switching on power；
In the present embodiment, when control end carries out preset by the power supply device for controlling to be connected with LED screen to LED screen
Between after point power supply and/or while obtaining power information that the current sense breaker is returned, need to enter LED display
Row test, first such as burn-in test, control end convey aging program and are shown to the LED screen after switching on power, Ke Yili
Solution, aforesaid test program can be static images, can also be film, specifically not limit herein, aforesaid connection
The power supply of LED screen, can be that it is powered by external mains-powered apparatus.
It should be noted that, in the step when part damage causes short circuit, the current sense that execution step 202 is referred to breaks
Road device automatically cuts off power supply, and returns power information to control end, it is to be understood that when control end receives aforesaid power supply
After information, just stop transmitting a signal to LED screen.And disconnect by the loop of the signal transmission of control end to LED screen, aforesaid letter
Number can be control signal of the control end to LED screen, can also be test signal, specifically not limit herein.
204th, control end sends test signal every preset time period by wire transmission mode and/or wireless transmission method
To LED screen；
In the present embodiment, after the aging program of control end conveying is shown to the LED screen after switching on power, control first
End needs to send test signal to LED screen by wire transmission mode and/or wireless transmission method every preset time period, can be with
It is understood by, aforesaid test signal can be LED screen in the state of aging program is demonstrated, stops LED screen and demonstrated, sends out
Test signal is sent to LED screen, it is aforesaid every preset time period, can be that the time with hour as module is configured, may be used also
To be that directly concrete testing time point is configured, specifically do not limit herein.
It should be noted that aforesaid LED screen can be LED display, LED mosaic display screens are can also be, the LED is spelled
It can be connected in parallel entirely by multiple display modules to connect display screen, such as display module to be connected in parallel entirely, then control end with it is every
One display module possesses independent loop connected mode, does not specifically limit herein, aforesaid control end, can be PC ends, this
Place is not specifically limited, it is to be understood that whole picture cutting is that multiple little pictures etc. are delivered to one by one respectively by control end
Corresponding multiple display modules.
Aforesaid test signal is digital signal, and such as LED screen is made up of multiple LED particles or display module, then can be with
It is the test signal for setting LED particle or display module as multiple digital signals.
It should be noted that, in the step when part damage causes short circuit, the current sense that execution step 202 is referred to breaks
Road device automatically cuts off power supply, and returns power information to control end, it is to be understood that when control end receives aforesaid power supply
After information, just stop transmitting a signal to LED screen.And disconnect by the loop of the signal transmission of control end to LED screen, aforesaid letter
Number can be control signal of the control end to LED screen, can also be test signal, specifically not limit herein.
It should be noted that, aforesaid test signal can be according to the display of kenel, to be straight scanning, tiltedly scanning etc.
Display picture, does not specifically limit herein.
205th, control end obtains the feedback signal corresponding with test program that LED screen is returned, and by feedback signal and surveys
Trial signal is compared, if all numerical digits are consistent, performs prepattern, if single or multiple numerical digits are inconsistent, is held
Row step 206；
After control end sends test signal to LED screen, control end obtains the corresponding with test program of LED screen return
Feedback signal, and feedback signal is compared with test signal, if unanimously, perform prepattern, if inconsistent, hold
Row step 206.
It should be noted that aforesaid feedback signal is digital signal, the LED particle or display module institute of such as LED screen
The test signal of multiple digital signals of corresponding IC drive modules, by the digital signal of the multiple feedback signals for returning and test
The digital signal of signal carries out numerical digit comparison, and such as LED screen is made up of multiple LED particles or display module, then can be output
To the test signal of the multiple digital signals of IC drive modules corresponding to LED particle or display module, return with multiple numerical digits
Multiple digital signals of the corresponding feedback signal of signal carry out the comparison one by one of numerical digit, such as have IC to drive on one display module
Module 16, then feedback signal return for 16 bit signals, by the 16 bit signal and 16 signals of test signal
Compare, wherein a certain numerical digit compares inconsistent, then illustrate IC drive modules corresponding to the inconsistent numerical digit of the comparison
LED element of LED particle and/or display module etc. is damaged, and aforesaid IC drive modules can possess Open/short (to open
Road/short circuit) function drive module.
It is understood that aforesaid prepattern is return LED screen work state information, it is to be understood that LED screen
Driving chip can be PWM (impulse form) 2 pin mouths IC driving chips, can be returned by the driving chip of the PWM
Related LED screen working condition, information of voltage of such as LED particle etc. are returned, is not specifically limited herein, it should be noted that front
After the return LED screen work state information stated, control end can also be relative according to the generation of LED screen work state information is returned
The working report answered, the working report can be stored in the memory of control end, can also be upload network, also or send out
Deliver to mobile terminal.
It should be noted that aforesaid IC drive modules can be that/the LED drive chip of cut-out function is opened with LED, make
The damage information for obtaining the opposite position being damaged in LED screen is correctly recognized, and is not specifically limited herein.
It is understood that the mode of aforesaid early warning has various, for example, early warning information is sent, inform that control end is worked as
Front LED display is damaged, and causes collapse of display system etc., does not specifically limit herein.
It should be noted that, in the step when part damage causes short circuit, the current sense that execution step 202 is referred to breaks
Road device automatically cuts off power supply, and returns power information to control end, it is to be understood that when control end receives aforesaid power supply
After information, just stop transmitting a signal to LED screen.And disconnect by the loop of the signal transmission of control end to LED screen, aforesaid letter
Number can be control signal of the control end to LED screen, can also be test signal, specifically not limit herein.
206th, the damage information of the display module in the LED screen corresponding with inconsistent numerical digit is contrasted directly is prompted.
When control end obtains the feedback signal corresponding with test program that LED screen is returned, and by feedback signal and test
When signal compares inconsistent, then the display module in the LED screen corresponding with inconsistent numerical digit is contrasted directly is prompted
Damage information, it is to be understood that aforesaid damage information, can be the inconsistent number of contrast on current LED display
Information content that display module in the corresponding LED screen in position is specifically damaged etc., does not specifically limit herein.
It should be noted that, multiple display modules of LED screen or LED screen are connected with current sense open circuit in the present embodiment
Device, when LED screen or multiple display modules of LED screen component wear caused by short circuit phenomenon, then current sense breaker from
Dynamic power supply of cutting off the electricity supply, further, aforesaid LED screen can possess the LED screen for individually cutting short circuit.
It should be noted that the current sense breaker that aforesaid each display module connects is provided with two warnings
Lamp, it is to be understood that two warning lamps one are used for the information for pointing out test signal to compare mistake, another is used to point out
The information cut off the electricity supply during the open circuit work of current sense breaker, such as when the open circuit of current sense breaker works, carry out generation
Bright light warning (prompting) of the warning lamp of the information that table is cut off the electricity supply.
It is understood that the current sense breaker that aforesaid each display module connects is connected with control end, control
End processed is attached with a warning lamp simultaneously, such as when the open circuit of current sense breaker works, control end obtaining step 202
During the power information that the current sense breaker for referring to is returned, control end control warning lamp carries out bright light warning (prompting).
In the present embodiment, control end can also be sends out the LED operation status information and/or early warning information after comparison
The mobile terminal being wirelessly connected with control end is delivered to, such as when comparing inconsistent, sends the impaired information of LED screen, such as LED screen
The damage of a certain display module etc. to mobile terminal, such as mobile phone, panel computer with the present embodiment in LED display inspection
Shown in the corresponding application program of survey method.
It should be noted that aforesaid carried out after early warning, control end can also be the correlation according to early warning
Information generates working report, and the working report can be stored in the memory of control end, can also be upload network, also or
It is to send to mobile terminal.
It should be noted that, in the step when part damage causes short circuit, the current sense that execution step 202 is referred to breaks
Road device automatically cuts off power supply, and returns power information to control end, it is to be understood that when control end receives aforesaid power supply
After information, just stop transmitting a signal to LED screen.And disconnect by the loop of the signal transmission of control end to LED screen, aforesaid letter
Number can be control signal of the control end to LED screen, can also be test signal, specifically not limit herein.
In the present embodiment, control end sends test signal to LED screen, and the feedback signal of return is carried out with test signal
Compare, and judged whether to need to carry out early warning according to comparison result, it is existing by manually in aging survey so as to solve
It is monitored in real time in the whole time period of examination, the technical problem of the consuming of caused human resources, meanwhile, the feedback letter of return
Number design compared with test signal, the abnormal display or part damage being likely to occur at any time when LED display is made
When damaging into system crash, it is impossible to which the very first time is investigated and the technical problem that processed also further is addressed, it is to avoid
Waste on cost, and the comparison for passing through digital signal, further increase the damage display module of positioning LED display
Or the function of LED particle, greatly increase the detection efficiency of LED display.
Fig. 3 is referred to, a kind of one embodiment bag of the detecting system of the LED display provided in the embodiment of the present invention
Include：
Control end 1 and LED screen 2；
Control end 1 and LED screen 2 set up data cube computation relation by wired communication mode and/or communication, need
Illustrate, wired communication mode is the data loop communication mode that control end 1 is set up with LED screen 2 by data line.
It should be noted that control end 1 can be with reference to the detection method of the LED display of the embodiment shown in Fig. 1 and Fig. 2
LED screen 2 is detected.
In the present embodiment, control end 1 passes through wiredly and/or wirelessly to connect respectively with LED screen 2, with reference to shown in Fig. 1 and Fig. 2
The detection method of LED display of embodiment LED screen 2 is detected, solve existing artificial in the whole of burn-in test
The technology being monitored in real time in the individual time period, not only causes the technical problem of the consuming of human resources, meanwhile, the test of return
The design that signal and preset signal are compared, the abnormal display being likely to occur at any time when LED display or part damage
When causing short circuit to burn LED display or power supply, it is impossible to which the very first time is investigated and the technical problem that processed is also further
It is addressed, it is to avoid the waste on cost.
The above is that the connected mode of the detecting system to LED display is described in detail, below will be to additional component
It is described in detail with concrete connected mode, refers to Fig. 4, a kind of inspection of the LED display provided in the embodiment of the present invention
One embodiment of examining system includes：
Control end 1 and LED screen 2；
Control end 1 and LED screen 2 set up data cube computation relation by wired communication mode and/or communication, need
Illustrate, wired communication mode is the data loop communication mode that control end 1 is set up with LED screen 2 by data line.
It should be noted that control end 1 can be with reference to the detection method of the LED display of the embodiment shown in Fig. 1 and Fig. 2
LED screen 2 is detected.
Aforesaid LED screen 2 includes multiple display modules, and multiple display modules are to be connected in parallel entirely, each display module
Current sense breaker 3 is connected with, current sense breaker 3 is connected by power line with LED screen 2, it should be noted that aforementioned
To be connected in parallel entirely can be that control end 1 can be obtained when the corresponding driving chip of each display module of LED screen 2 is damaged
The return path signal of the driving chip in addition to damage of LED screen 2 is taken, current sense breaker 3 is connected with control end 1.
In the present embodiment, the detecting system of LED display can further include：
Power supply device 4, is connected with control end 1, and is connected by current sense breaker 3 with LED screen 2, further
It is connected with current sense breaker 3, it is to be understood that when the detecting system of LED display does not carry out detection work, controls
End 1 can be that control power supply device 4 is cut off the electricity supply, and further control end 1 can also be that control power supply device 4 exists
Preset time point carries out power-off/power supply to LED screen 2；
Signal lamp 5, is connected with control end 1, it is to be understood that when the LED screen 2 of current sense breaker 3 certain
After the corresponding driving chip of individual display module is damaged, and the aforesaid LED screen that will be damaged after current sense breaker 3 is cut off the electricity supply
The information of the 2 corresponding driving chip of certain display module send to control end 1 warned while, control end 1 control letter
Number indicator lamp 5 starts, it should be noted that signal lamp 5 can also be as two signal lamps 5, an expression LED screen
The warning light of 2 system power state, the warning light of a signal for being expressed as LED screen 2, two signal lamps 5 are electric respectively
Stream detecting circuit breaker 3 connects, when aforesaid control end 1 obtains certain display module pair of the LED screen 2 of current sense breaker 3
After the driving chip answered is damaged, and by certain display for the aforesaid LED screen 2 damaged after current sense breaker 3 is cut off the electricity supply
The information of the corresponding driving chip of module send to control end 1 warned while, current sense breaker 3 triggering control generation
Table damages the signal lamp 5 of problem generation and starts；
IP Camera 6, is connected with control end 1, and the connected mode can be wired connection, can also be wireless connection side
Formula；
Mobile terminal 7, is connected with control end 1 by communication, it should be noted that mobile terminal 7 is to pass through
Control end 1 obtains the audio and video information of IP Camera 6, it should be noted that aforesaid mobile terminal 7 can be when control end 1
Control signal indicator lamp 5 starts simultaneously, obtains information warning that control end 1 sends etc..
It should be noted that control end 1 can be with reference to the detection method of the LED display of the embodiment shown in Fig. 1 and Fig. 2
LED screen 2 is detected.
It should be noted that the mobile terminal 7 in the present embodiment can also be LED screen 2 further from after having dispatched from the factory
In off working state, when coordinating control end 1 to be detected, when aforesaid coherent detection problem occurs in LED screen 2 problem is returned
As a result control end 1 is given, then aforesaid problem result is sent to mobile terminal 7 and carries out information warning notice etc. by control end 1.For example
LED screen 2 is dispatched from the factory, or is operated service into market after dispatching from the factory, and in 2 inoperative of LED screen, control end sends test signal
When detecting its performance, after relevant issues are detected, control end is wirelessly sent to mobile terminal 7.
In the present embodiment, control end 1 passes through wiredly and/or wirelessly to connect respectively with LED screen 2, with reference to shown in Fig. 1 and Fig. 2
The detection method of LED display of embodiment LED screen 2 is detected, solve existing artificial in the whole of burn-in test
The technology being monitored in real time in the individual time period, not only causes the technical problem of the consuming of human resources, meanwhile, the test of return
The design that signal and preset signal are compared, the abnormal display being likely to occur at any time when LED display or part damage
When causing short circuit to burn LED display or power supply, it is impossible to which the very first time is investigated and the technical problem that processed is also further
It is addressed, it is to avoid the waste on cost, and the design of camera 6 so that maintenance personal remotely passes through mobile terminal pair
Detecting system carries out directly monitoring.
Those skilled in the art can be understood that, for convenience and simplicity of description, the system of foregoing description,
The specific work process of device and module, may be referred to the corresponding process in preceding method embodiment, will not be described here.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with
Realize by another way.For example, device embodiment described above is only schematic, for example, the module
Divide, only a kind of division of logic function can have other dividing mode, such as multiple module or components when actually realizing
Can with reference to or be desirably integrated into another system, or some features can be ignored, or not perform.It is another, it is shown or
The coupling each other for discussing or direct-coupling or communication connection can be the indirect couplings by some interfaces, device or module
Close or communicate to connect, can be electrical, mechanical or other forms.
The module as separating component explanation can be or may not be it is physically separate, it is aobvious as module
The part for showing can be or may not be physical module, you can with positioned at a place, or can also be distributed to multiple
On mixed-media network modules mixed-media.Some or all of module therein can according to the actual needs be selected to realize the mesh of this embodiment scheme
's.
In addition, each functional module in each embodiment of the invention can be integrated in a processing module, it is also possible to
It is that modules are individually physically present, it is also possible to which two or more modules are integrated in a module.Above-mentioned integrated mould
Block both can be realized in the form of hardware, it would however also be possible to employ the form of software function module is realized.
If the integrated module is realized using in the form of software function module and as independent production marketing or used
When, during a computer read/write memory medium can be stored in.Based on such understanding, technical scheme is substantially
The part for contributing to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server, or network equipment etc.) performs the complete of each embodiment methods described of the invention
Portion or part steps.And aforesaid storage medium includes：USB flash disk, portable hard drive, read-only storage (ROM, Read-Only
Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey
The medium of sequence code.
The above, above example only to illustrate technical scheme, rather than a limitation；Although with reference to front
State embodiment to be described in detail the present invention, it will be understood by those within the art that：It still can be to front
State the technical scheme described in each embodiment to modify, or equivalent is carried out to which part technical characteristic；And these
Modification is replaced, and does not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (8)
1. a kind of detection method of LED display, it is characterised in that include：
Control end sends test signal to the LED screen；
Control end obtains the feedback signal corresponding with the test program that the LED screen is returned, and by the feedback signal
Compare with test signal, if unanimously, perform prepattern, if inconsistent, carry out early warning；
Control end obtains the feedback signal corresponding with the test program that the LED screen is returned, and by the feedback signal
Compare with test signal, if unanimously, perform prepattern, if inconsistent, carry out early warning and specifically include：
Control end obtains the feedback signal corresponding with the test program that the LED screen is returned, and by the feedback signal
All digital signals compare with all digital signals of the test signal, if all digital signals are consistent,
Prepattern is performed, if single or multiple digital signals are inconsistent, directly prompted and is contrasted inconsistent numerical digit letter
Damage/the error message of the display module in number corresponding LED screen.
2. the detection method of LED display according to claim 1, it is characterised in that control end send test signal to
The LED screen is specifically included：
Control end sends the test signal to institute every preset time period by wire transmission mode and/or wireless transmission method
State LED screen.
3. the detection method of LED display according to claim 1, it is characterised in that control end send test signal to
Also include after the LED screen：
Obtain the power information that current sense breaker is returned.
4. the detection method of LED display as claimed in any of claims 1 to 3, it is characterised in that described
The detection method of LED display also includes：
The control end carries out preset time point to the LED screen by the power supply device for controlling to be connected with the LED screen
Power-off/supply electric treatment.
5. a kind of detecting system of LED display, it is characterised in that include using as described in any one in Claims 1-4
LED display detection method control end and LED screen；
The control end and the LED screen set up data cube computation relation by wired communication mode and/or communication；
The LED screen includes multiple display modules, and multiple display modules are to be connected in parallel entirely；
Each described display module is connected with current sense breaker, and the current sense breaker is connected with the control end.
6. the detecting system of LED display according to claim 5, it is characterised in that the wired communication mode is institute
State the data loop communication mode that control end is set up with the LED screen by data line.
7. the detecting system of the LED display according to claim 5 or 6, it is characterised in that the inspection of the LED display
Examining system also includes：
Power supply device, is connected with the control end, and is connected by current sense breaker with the LED screen；
Signal lamp, is connected with the control end；
IP Camera, is connected with the control end.
8. the detecting system of the LED display according to claim 5 or 6, it is characterised in that the inspection of the LED display
Examining system also includes：
Mobile terminal, is connected with the control end by communication.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410514062.4A CN104267286B (en) | 2014-09-29 | 2014-09-29 | LED display screen detection method and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410514062.4A CN104267286B (en) | 2014-09-29 | 2014-09-29 | LED display screen detection method and system |
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| CN104267286A CN104267286A (en) | 2015-01-07 |
| CN104267286B true CN104267286B (en) | 2017-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201410514062.4A Expired - Fee Related CN104267286B (en) | 2014-09-29 | 2014-09-29 | LED display screen detection method and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111767177B (en) * | 2020-05-15 | 2024-03-26 | 西安青松光电技术有限公司 | Test method, device and equipment of LED display screen control card and storage medium |
| CN112509503A (en) * | 2020-11-19 | 2021-03-16 | 深圳市圆周检测技术有限公司 | Detection method and device for LED display screen |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS618682A (en) * | 1984-06-25 | 1986-01-16 | Olympus Optical Co Ltd | Check system for backup power source |
| CN1338715A (en) * | 2000-08-11 | 2002-03-06 | Lg电子株式会社 | Self-diagnostic device and method for visual frequency signal in liquid crystal display |
| CN201867483U (en) * | 2010-09-17 | 2011-06-15 | 深圳安博电子有限公司 | Testing instrument for LED (light-emitting diode) stroboscopic module |
-
2014
- 2014-09-29 CN CN201410514062.4A patent/CN104267286B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS618682A (en) * | 1984-06-25 | 1986-01-16 | Olympus Optical Co Ltd | Check system for backup power source |
| CN1338715A (en) * | 2000-08-11 | 2002-03-06 | Lg电子株式会社 | Self-diagnostic device and method for visual frequency signal in liquid crystal display |
| CN201867483U (en) * | 2010-09-17 | 2011-06-15 | 深圳安博电子有限公司 | Testing instrument for LED (light-emitting diode) stroboscopic module |
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| CN104267286A (en) | 2015-01-07 |
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