Realize the method and its system of LED display fault detectionTechnical field
The present invention relates to field of LED display more particularly to LED display field of fault detection, in particular to a kind of realityThe method and its system of existing LED display fault detection.
Background technique
Existing advertising equipment includes city bus waiting booth, community Media equipment, various business rolling lampboxes etc., workState must be maked an inspection tour personnel, carry out Breakdown Maintenance by way of owner's feedback.
All parts in equipment, such as roller bearing, light source, LED display component are to work independently, and parameters are also hidingFormula, it can not intuitive, real-time judge failure.
This mode there are low efficiency, real-time is poor, manpower costs are big the problems such as.
Summary of the invention
The purpose of the present invention is overcoming the above-mentioned prior art, provide that a kind of maintenance efficiency is high, operational effectThe method and its system of the realization LED display fault detection good, operation cost is low.
To achieve the goals above, the method and its system of realization LED display fault detection of the invention are as follows:
The method of the realization LED display fault detection, is mainly characterized by, the method the following steps are included:
(1) cloud server obtains the power data of each unit mould group of the LED display；
(2) cloud server analyzes the working condition of LED screen by each unit mould group power data and rated valueAnd failure cause.
Preferably, the step (1) specifically includes the following steps:
(1.1) first cell module of LED display is lighted；
(1.2) be delayed preset time, reads current power P1；
(1.3) be delayed preset time, reads current power P2, judges whether power P 1 is approximately equal to power P 2, if so,Then save data；Otherwise, continue step (1.2)；
(1.4) each unit mould group whether complete by detection at this time for judgement, if it is, saving data, and carries out subsequent pointAnalyse data；Otherwise, active cell mould group is closed, and lights next cell module of the LED screen, is continued step (1.2).
Preferably, the step (2) specifically includes the following steps:
(2.1) judge whether all mould group power are identical, if it is, continuing step (2.2)；Otherwise, continue step(2.3)；
(2.2) judge whether power is less than rated value, if it is, general supply failure or driving plate failure；Otherwise, shouldLED display is working properly, and performance number is fed back to client；
(2.3) judge whether performance number is close with maximum power value, if it is, the mould group work of the approximate power valueMake normal；Otherwise, continue step (2.4)；
(2.4) judge whether that the operating power for progressive die group occur is relatively low, if it is, the input signal of progressive die groupData line failure or the one before mould group output interface break down；Otherwise, the number of the relatively low all mould groups of power is fed back into visitorFamily end.
Preferably, the LED screen is divided into 4 cell modules.
The system of the realization LED display fault detection, is mainly characterized by, and the system includes:
Cloud server tests and analyzes failure cause for control system；
Power measurement circuit is connected with the cloud server, for real-time tracking and reports current display screenPower situation；
Control circuit is connected with the cloud server, for receiving test instruction by cloud server and openingDynamic fault detection program；
Fault detection program, the fault detection program is at runtime according to each unit mould splits of each LED displayIts working condition and failure cause are analysed, processing is specifically followed the steps below:
(1) cloud server obtains the power data of each unit mould group of the LED display；
(2) cloud server analyzes the working condition of LED screen by each unit mould group power data and rated valueAnd failure cause.
Preferably, the step (1) specifically includes the following steps:
(1.1) first cell module of LED display is lighted；
(1.2) be delayed preset time, reads current power P1；
(1.3) be delayed preset time, reads current power P2, judges whether power P 1 is approximately equal to power P 2, if so,Then save data；Otherwise, continue step (1.2)；
(1.4) each unit mould group whether complete by detection at this time for judgement, if it is, saving data, and carries out subsequent pointAnalyse data；Otherwise, active cell mould group is closed, and lights next cell module of the LED screen, is continued step (1.2).
Preferably, the step (2) specifically includes the following steps:
(2.1) judge whether all mould group power are identical, if it is, continuing step (2.2)；Otherwise, continue step(2.3)；
(2.2) judge whether power is less than rated value, if it is, general supply failure or driving plate failure；Otherwise, shouldLED display is working properly, and performance number is fed back to client；
(2.3) judge whether performance number is close with maximum power value, if it is, the mould group work of the approximate power valueMake normal；Otherwise, continue step (2.4)；
(2.4) judge whether that the operating power for progressive die group occur is relatively low, if it is, the input signal of progressive die groupData line failure or the one before mould group output interface break down；Otherwise, the number of the relatively low all mould groups of power is fed back into visitorFamily end.
Using the method and its system of realization LED display fault detection of the invention, it can effectively detect and be out of orderLED module, and server and client side can be reported.The working efficiency that can effectively improve operator, improves operatorService level reduces manpower, the financial resources cost of operator.Such as operator can be according to the failure screen position of feedback, Ke YitongIt crosses and secondary editor is carried out to the content of publication, avoid the occurrence of the problems such as effective information can not be shown.
Detailed description of the invention
Fig. 1 is the flow chart of the method for realization LED display fault detection of the invention.
Fig. 2 is the configuration diagram of the method, system of realization LED display fault detection of the invention.
Specific embodiment
It is further to carry out combined with specific embodiments below in order to more clearly describe technology contents of the inventionDescription.
The method of the realization LED display fault detection of the invention, including following steps:
(1) cloud server obtains the power data of each unit mould group of the LED display；
(1.1) first cell module of LED display is lighted；
(1.2) be delayed preset time, reads current power P1；
(1.3) be delayed preset time, reads current power P2, judges whether power P 1 is approximately equal to power P 2, if so,Then save data；Otherwise, continue step (1.2)；
(1.4) each unit mould group whether complete by detection at this time for judgement, if it is, saving data, and carries out subsequent pointAnalyse data；Otherwise, active cell mould group is closed, and lights next cell module of the LED screen, is continued step (1.2)；
(2) cloud server analyzes the working condition of LED screen by each unit mould group power data and rated valueAnd failure cause；
(2.1) judge whether all mould group power are identical, if it is, continuing step (2.2)；Otherwise, continue step(2.3)；
(2.2) judge whether power is less than rated value, if it is, general supply failure or driving plate failure；Otherwise, shouldLED display is working properly, and performance number is fed back to client；
(2.3) judge whether performance number is close with maximum power value, if it is, the mould group work of the approximate power valueMake normal；Otherwise, continue step (2.4)；
(2.4) judge whether that the operating power for progressive die group occur is relatively low, if it is, the input signal of progressive die groupData line failure or the one before mould group output interface break down；Otherwise, the number of the relatively low all mould groups of power is fed back into visitorFamily end.
As the preferred embodiment of the present invention,
The LED screen is divided into 4 cell modules.
The system of the realization LED display fault detection of the invention, including:
Cloud server tests and analyzes failure cause for control system；
Power measurement circuit is connected with the cloud server, for real-time tracking and reports current display screenPower situation；
Control circuit is connected with the cloud server, for receiving test instruction by cloud server and openingDynamic fault detection program；
Fault detection program, the fault detection program is at runtime according to each unit mould splits of each LED displayIts working condition and failure cause are analysed, processing is specifically followed the steps below:
(1) cloud server obtains the power data of each unit mould group of the LED display；
(1.1) first cell module of LED display is lighted；
(1.2) be delayed preset time, reads current power P1；
(1.3) be delayed preset time, reads current power P2, judges whether power P 1 is approximately equal to power P 2, if so,Then save data；Otherwise, continue step (1.2)；
(1.4) each unit mould group whether complete by detection at this time for judgement, if it is, saving data, and carries out subsequent pointAnalyse data；Otherwise, active cell mould group is closed, and lights next cell module of the LED screen, is continued step (1.2)；
(2) cloud server analyzes the working condition of LED screen by each unit mould group power data and rated valueAnd failure cause；
(2.1) judge whether all mould group power are identical, if it is, continuing step (2.2)；Otherwise, continue step(2.3)；
(2.2) judge whether power is less than rated value, if it is, general supply failure or driving plate failure；Otherwise, shouldLED display is working properly, and performance number is fed back to client；
(2.3) judge whether performance number is close with maximum power value, if it is, the mould group work of the approximate power valueMake normal；Otherwise, continue step (2.4)；
(2.4) judge whether that the operating power for progressive die group occur is relatively low, if it is, the input signal of progressive die groupData line failure or the one before mould group output interface break down；Otherwise, the number of the relatively low all mould groups of power is fed back into visitorFamily end.
In a specific embodiment of the invention, can effectively it be examined using the scheme of timesharing power detection by the cooperation of algorithmIt measures the mould group failure of LED screen, failure cause, judge failure point.Maintenance efficiency can be effectively improved, enterprise operation effect is improvedFruit reduces operation cost of enterprises.
The concrete methods of realizing of the invention is as follows:
1, test instruction is assigned by the client of network first.
2, after cloud server receives instruction, it is issued to control circuit.
3, control circuit startup separator detects program.
4, according to software algorithm program, the cell module of first piece of LED display is first lighted.
5, the power situation of the current display screen of power measurement circuit real-time tracking, and report cloud server.
6, cloud server judges whether to read current exact power number according to software algorithm program.
If 7, reading correct power number, current mould group is closed, lights next mould group.
8, step 5-7 is repeated, until all display modules all read completion.
9, cloud server is by built-in algorithm program, more corresponding mould group power, which can effectively judge in LED screenA mould group failure, number of faults include whether to be data line, if are that power failure can identify.
The kernel software algorithm of the invention is the power for accurately identifying corresponding mould group.
LED screen is made of 4 mould groups in the embodiment of the present invention.
| Mould group 1 | Mould group 2 | Mould group 3 | Mould group 4 |
Using the method and its system of realization LED display fault detection of the invention, it can effectively detect and be out of orderLED module, and server and client side can be reported.The working efficiency that can effectively improve operator, improves operatorService level reduces manpower, the financial resources cost of operator.Such as operator can be according to the failure screen position of feedback, Ke YitongIt crosses and secondary editor is carried out to the content of publication, avoid the occurrence of the problems such as effective information can not be shown.
In this description, the present invention is described with reference to its specific embodiment.But it is clear that can still makeVarious modifications and alterations are without departing from the spirit and scope of the invention.Therefore, the description and the appended drawings should be considered as illustrativeAnd not restrictive.