CN111243471A - System and method for judging LCD display abnormity - Google Patents
System and method for judging LCD display abnormity Download PDFInfo
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- CN111243471A CN111243471A CN202010049581.3A CN202010049581A CN111243471A CN 111243471 A CN111243471 A CN 111243471A CN 202010049581 A CN202010049581 A CN 202010049581A CN 111243471 A CN111243471 A CN 111243471A
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- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
- G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
- G09G3/006—Electronic inspection or testing of displays and display drivers, e.g. of LED or LCD displays
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Abstract
The invention discloses a system for judging LCD display abnormity, wherein the LCD is electrically connected with a play controller through a connecting interface, and the system comprises: the front-end controller is electrically connected with the play controller and is used for exchanging display parameters with the play controller; the collector is electrically connected with the connecting interface and the front-end controller and is used for collecting actual electrical parameters from the connecting interface; and the cloud server is electrically connected with the front-end controller and is used for controlling data exchange with the front-end controller. The invention provides a system and a method for judging LCD display abnormity, which can obtain more accurate judgment results.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the technical field of LCD detection, in particular to a system and a method for judging LCD display abnormity.
[ background of the invention ]
In the use process of the current commercial multimedia display screen, no mechanism is provided for judging whether the screen is normal or not. In a large number of practical applications, for example subway trains, the screen is damaged, or shows unusually, can discover the trouble when needing artifical the inspection. The train is in large quantity, the train length is long, 8 screens are used in each train carriage, the inspection time of all trains is long, the workload of inspection personnel is large, the cost is high, and the efficiency is low. The aging is also low. For example, the navigation information screens used on streets and shopping malls are large in quantity and long in distance, and the routing inspection is not easy.
Some prior art can realize carrying out real-time detection to its abnormal state at LCD display screen operation's in-process, but the mode of the simple parameter judgement of time that most adopted, whether the electric parameter judgement that obtains under the LCD running state promptly is in reasonable scope, and this kind of method rate of accuracy is lower, because environmental factor also can exert an influence to the running state of LCD many times. Meanwhile, the method can only judge a single LCD, and mutual reference among a plurality of LCDs is lacked, so that the error rate is further improved.
[ summary of the invention ]
In order to solve the defects in the prior art, the invention provides a system and a method for judging the abnormal display of an LCD, which can obtain a more accurate judgment result.
In order to achieve the purpose, the invention adopts the specific scheme that:
the utility model provides a judge system that LCD shows unusually, LCD has the play controller through connecting interface electric connection, includes:
the front-end controller is electrically connected with the play controller and is used for exchanging display parameters with the play controller;
the collector is electrically connected with the connecting interface and the front-end controller and is used for collecting actual electrical parameters from the connecting interface;
and the cloud server is electrically connected with the front-end controller and is used for controlling data exchange with the front-end controller.
Preferably, the front-end controller is connected with the cloud server through a wireless communicator.
Preferably, the front-end controller is set as an ARM processor, and the wireless communicator is set as a 4G communication module.
Preferably, the display parameters include target playing parameters transferred from the playing controller to the front-end controller and verification playing parameters transferred from the front-end controller to the playing controller.
Preferably, the control data includes uplink control data transmitted from the front-end controller to the cloud server and downlink control data transmitted from the cloud server to the front-end controller, the uplink control data includes the actual electrical parameter and the target playing parameter, and the downlink control data includes the verification playing parameter.
Preferably, the front-end controller is further electrically connected with a prompting lamp, and the prompting lamp is arranged on the LCD.
A system judgment method for judging LCD display abnormity comprises the following steps:
s1, the playing controller generates the target playing parameter and controls the LCD to display;
s2, the front-end controller obtains the target playing parameter from the playing controller;
s3, the front-end controller acquires the actual electrical parameters from the connecting interface through the collector;
s4, the front-end controller packs the target playing parameters and the actual electric parameters into the uplink control data and sends the uplink control data to the cloud server;
s5, the cloud server analyzes the uplink control data and then judges whether the LCD is displayed abnormally or not, if so, S6 is executed, and if not, the operation is stopped;
s6, the cloud server judges whether the check playing parameter is generated according to the uplink control data, if not, the check playing parameter is generated, and if so, the prompt lamp control parameter is generated;
s7, after generating the downlink control data, the cloud server sends the downlink control data to the front-end controller;
s8, the front-end controller analyzes the verification playing parameter or the cue light control parameter from the downlink control data, sends the verification playing parameter to the playing controller when the verification playing parameter is analyzed, and controls the cue light to be on when the cue light control parameter is analyzed;
s9, the play controller takes the verified play parameter as the target play parameter, and then returns to S1.
Preferably, the prompting lamp control parameters include a prompting lamp starting state parameter and a prompting lamp color parameter.
The method comprises the steps that a front-end controller and a collector are respectively used for obtaining the real-time running state of the LCD, then the real-time running state is sent to a cloud server in an uplink mode, the cloud server analyzes the running state of the LCD to judge whether the LCD is abnormal or not, if the LCD is abnormal, the LCD is controlled to display verification content through exchange of control data, the running state of the LCD is judged again, if the LCD is abnormal, the display state of the LCD is determined to be abnormal, otherwise, the display state of the LCD is determined to be normal, and the abnormal situation is judged for the first time, the sudden accident possibly caused by the reason of the surrounding environment is possible. The invention can judge the running states of a large number of LCDs at the same time and refer to each other, compared with the mode of judging by collecting single electrical parameter in the prior art, although the process is more complicated, the judgment result is accurate, and the occurrence of misjudgment can be effectively avoided, thereby ensuring the continuous and healthy running of the LCDs.
[ description of the drawings ]
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a block diagram of the architecture of the system of the present invention.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a block diagram of the system of the present invention.
The utility model provides a judge system that LCD shows unusually, LCD has the play controller through connection interface electric connection, includes front end controller, collector and high in the clouds server.
And the front-end controller is electrically connected with the play controller and is used for exchanging display parameters with the play controller.
And the collector is electrically connected with the connecting interface and the front-end controller and is used for collecting actual electrical parameters from the connecting interface.
And the cloud server is electrically connected with the front-end controller and is used for controlling data exchange with the front-end controller.
The front-end controller is connected with the cloud server through the wireless communicator.
The method comprises the steps that a front-end controller and a collector are respectively used for obtaining the real-time running state of the LCD, then the real-time running state is sent to a cloud server in an uplink mode, the cloud server analyzes the running state of the LCD to judge whether the LCD is abnormal or not, if the LCD is abnormal, the LCD is controlled to display verification content through exchange of control data, the running state of the LCD is judged again, if the LCD is abnormal, the display state of the LCD is determined to be abnormal, otherwise, the display state of the LCD is determined to be normal, and the abnormal situation is judged for the first time, the sudden accident possibly caused by the reason of the surrounding environment is possible. The invention can judge the running states of a large number of LCDs at the same time and refer to each other, compared with the mode of judging by collecting single electrical parameter in the prior art, although the process is more complicated, the judgment result is accurate, and the occurrence of misjudgment can be effectively avoided, thereby ensuring the continuous and healthy running of the LCDs.
Further, the front-end controller is set to be an ARM processor, and the wireless communicator is set to be a 4G communication module. The selection of the ARM processor and the 4G communication module can refer to a smart phone, which is a conventional means in the field and is not described in detail.
Further, the display parameters include target playback parameters passed from the playback controller to the front-end controller and verification playback parameters transmitted from the front-end controller to the playback controller. The target playing parameter refers to a parameter which the playing controller wants to display by the LCD, the verification playing parameter is a parameter which the cloud server wants to display by the LCD in the verification process, the contents of the target playing parameter and the verification playing parameter are the same, and only the transmission directions of a device for generating the parameter and the parameter are different.
Further, the control data comprises uplink control data transmitted from the front-end controller to the cloud server and downlink control data transmitted from the cloud server to the front-end controller, the uplink control data comprises actual electrical parameters and target playing parameters, and the downlink control data comprises verification playing parameters. The actual electrical parameter is the current parameter of the circuit part of the LCD in the real operation process, the actual electrical parameter should be matched with the target playing parameter under the condition that the LCD display is not abnormal, and when the LCD display is abnormal, the actual electrical parameter can be different from the target playing parameter.
Furthermore, the front-end controller is also electrically connected with a prompting lamp, and the prompting lamp is arranged on the LCD. The prompting lamp is used for prompting a user under the condition that the display of the LCD is determined to be abnormal so as to prompt the user to repair or replace the LCD as soon as possible.
A system judgment method for judging LCD display abnormality comprises S1-S8.
S1, the play controller generates the target play parameter and controls the LCD to display.
And S2, the front-end controller acquires the target playing parameter from the playing controller.
S3, the front-end controller obtains an actual electrical parameter from the connection interface through the collector, where the electrical parameter may be a HS VS CLK timing signal and an LVDS level signal monitored by hardware.
And S4, the front-end controller packs the target playing parameters and the actual electric parameters into uplink control data and sends the uplink control data to the cloud server.
And S5, the cloud server analyzes the uplink control data and then judges whether the LCD is abnormal, if so, S6 is executed, and if not, the operation is stopped.
And S6, the cloud server judges whether a check playing parameter is generated according to the uplink control data, if not, the check playing parameter is generated, and if so, the warning light control parameter is generated.
And S7, after the downlink control data are generated, the cloud server sends the downlink control data to the front-end controller.
And S8, the front-end controller analyzes the verification playing parameter or the cue light control parameter from the downlink control data, sends the verification playing parameter to the playing controller when the verification playing parameter is analyzed, and controls the cue light to be on when the cue light control parameter is analyzed.
S9, the playback controller regards the verified playback parameter as the target playback parameter, and then returns to S1.
It should be noted that, in this embodiment, the verification is performed at most once, because the LCD needs to be controlled to display a preset pattern in the verification process, which may cause the original displayed content of the LCD to be interrupted, although the interference caused by the interruption of the screen can be reduced by controlling the playing time, the interruption of too many times may also cause adverse effects, so the verification is performed only once. Of course, in actual use, according to different display contents of the LCD, if the number of verification times is increased without adverse effect, the number of verification times can be properly increased to obtain a more accurate determination result.
The prompting lamp control parameters comprise a prompting lamp starting state parameter and a prompting lamp color parameter.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. The utility model provides a judge system that LCD shows unusually, LCD has the play controller through connecting interface electric connection, its characterized in that includes:
the front-end controller is electrically connected with the play controller and is used for exchanging display parameters with the play controller;
the collector is electrically connected with the connecting interface and the front-end controller and is used for collecting actual electrical parameters from the connecting interface;
and the cloud server is electrically connected with the front-end controller and is used for controlling data exchange with the front-end controller.
2. The system according to claim 1, wherein the front-end controller and the cloud server are connected via a wireless communication device.
3. The system of claim 2, wherein the front-end controller is configured as an ARM processor, and the wireless communicator is configured as a 4G communication module.
4. The system as claimed in claim 1, wherein the display parameters include a target playback parameter transmitted from the playback controller to the front-end controller and a verification playback parameter transmitted from the front-end controller to the playback controller.
5. The system according to claim 4, wherein the control data includes uplink control data transmitted from the front-end controller to the cloud server and downlink control data transmitted from the cloud server to the front-end controller, the uplink control data includes the actual electrical parameter and the target playback parameter, and the downlink control data includes the verification playback parameter.
6. The system according to claim 5, wherein the front-end controller is further electrically connected to a warning light, and the warning light is disposed on the LCD.
7. The method as claimed in claim 6, comprising the steps of:
s1, the playing controller generates the target playing parameter and controls the LCD to display;
s2, the front-end controller obtains the target playing parameter from the playing controller;
s3, the front-end controller acquires the actual electrical parameters from the connecting interface through the collector;
s4, the front-end controller packs the target playing parameters and the actual electric parameters into the uplink control data and sends the uplink control data to the cloud server;
s5, the cloud server analyzes the uplink control data and then judges whether the LCD is displayed abnormally or not, if so, S6 is executed, and if not, the operation is stopped;
s6, the cloud server judges whether the check playing parameter is generated according to the uplink control data, if not, the check playing parameter is generated, and if so, the prompt lamp control parameter is generated;
s7, after generating the downlink control data, the cloud server sends the downlink control data to the front-end controller;
s8, the front-end controller analyzes the verification playing parameter or the cue light control parameter from the downlink control data, sends the verification playing parameter to the playing controller when the verification playing parameter is analyzed, and controls the cue light to be on when the cue light control parameter is analyzed;
s9, the play controller takes the verified play parameter as the target play parameter, and then returns to S1.
8. The method of claim 7, wherein the cue light control parameters comprise a cue light on state parameter and a cue light color parameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202010049581.3A CN111243471A (en) | 2020-01-16 | 2020-01-16 | System and method for judging LCD display abnormity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010049581.3A CN111243471A (en) | 2020-01-16 | 2020-01-16 | System and method for judging LCD display abnormity |
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| CN202010049581.3A Pending CN111243471A (en) | 2020-01-16 | 2020-01-16 | System and method for judging LCD display abnormity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115083320A (en) * | 2022-07-21 | 2022-09-20 | 深圳益实科技有限公司 | Display control device with diagnosis function and diagnosis method |
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| CN106163017A (en) * | 2016-09-05 | 2016-11-23 | 深圳爱克莱特科技股份有限公司 | LED view urban architecture facade cluster light Internet control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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Application publication date: 20200605 |
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