CN114879388B - Intelligent detection method for monitoring display picture of liquid crystal display - Google Patents
Intelligent detection method for monitoring display picture of liquid crystal display Download PDFInfo
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- G—PHYSICS
- G02—OPTICS
- G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
- G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
- G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour
- G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour based on liquid crystals, e.g. single liquid crystal display cells
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Abstract
The invention relates to the technical field of display screen detection systems, in particular to an intelligent detection method for monitoring a display picture of a liquid crystal screen, which comprises the following steps: s1, arranging photosensitive sensor modules around a display screen; s2, collecting a display screen brightness reference value; s3, primarily judging that the display screen playing picture is abnormal; s4, displaying detailed judgment of faults on a display screen; s5, detecting the running display screen in a dark night state; s6, detecting a shutdown display screen in a dark night state; s7, the detection system cannot judge faults when the light is bright in the daytime, and the detection system is set to be in a dormant state; s8, detecting the display screen when the light is dim in the daytime; when the numerical values of the white screen state and the black screen state of the display screen, which are acquired by the photosensitive sensor module when the light is dim in the daytime, are compared, a display fault can be judged by a small difference value; the display condition of the display screen is detected and analyzed in real time, so that the phenomenon of poor display picture of the display screen can be solved in time.
Description
Technical Field
The invention relates to the technical field of display screen detection systems, in particular to an intelligent detection method for monitoring display pictures of a liquid crystal display screen.
Background
The LED display screen is an electronic display screen formed by LED dot matrixes, the display content forms such as characters, animation, pictures and videos of the screen are timely converted by changing the bright and dark traffic light beads, and the display control of the components is carried out through a modularized structure. The display device mainly comprises a display module, a control system and a power supply system. The display module is a screen formed by LED lamp lattices to emit light; the control system is used for realizing the conversion of the content displayed on the screen according to the on-off condition in the control area; the power supply system converts input voltage and current to meet the requirements of the display screen, and the LED screen can realize conversion among different forms of various information presentation modes and can be used indoors and outdoors, so that the LED display screen has incomparable advantages of other display screens. The LED lamp has the characteristics of high brightness intensity, small work power consumption, low voltage requirement, small and convenient equipment, long service life, stable impact resistance and strong external interference resistance, and is rapidly developed and widely applied to various fields.
In the use process of the display screen, the problems of poor display pictures, such as black screens, flower screens and the like, are difficult to find and solve in time, so that the display effect of the pictures is affected. Therefore, in the use process of the display screen, the display condition of the display screen needs to be detected and analyzed in real time so as to solve the phenomenon of poor display picture of the display screen in time.
Disclosure of Invention
The invention aims to provide an intelligent detection method for monitoring a display picture of a liquid crystal screen, which aims to solve the problem that the poor display picture of the display screen is difficult to discover and process in time in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: an intelligent detection method for monitoring a display picture of a liquid crystal display screen comprises the following steps:
s1, arranging photosensitive sensor modules around a display screen;
the photosensitive sensor modules are respectively arranged at the edge positions around the front face of the display screen, and the output ends of the photosensitive sensor modules are respectively and electrically connected with the input ends of the control modules;
s2, collecting a display screen brightness reference value;
the six photosensitive sensor modules respectively collect data in real time when the display screen plays the picture, and the collected data are stored in a storage unit of the control module to be used as reference values of the second day;
s3, primarily judging that the display screen playing picture is abnormal;
the six photosensitive sensor modules transmit the acquired data to the control module, the control module compares the acquired value with the reference value acquired in the step S2, and if the variation difference value of the acquired value relative to the reference value exceeds a preset variation range, the display screen playing picture is initially judged to be abnormal;
s4, displaying detailed judgment of faults on a display screen;
comparing the difference values among the acquired values of the photosensitive sensor modules on the basis of initial judgment of abnormal display screen play pictures in the step S3, and judging that the display screen has a screen pattern failure if the difference of the values is not large and the detection values acquired by the photosensitive sensor modules are the same;
on the basis of initially judging that the display screen is abnormal in playing picture, comparing difference values among the acquired numerical values of the photosensitive sensor modules, if the numerical value difference exceeds a set range and the variation amplitude of the detection values acquired by the photosensitive sensor modules is large, judging that the display screen does not play a preset picture correctly, and the screen has a red, green and blue three-color jumping fault;
s5, detecting the running display screen in a dark night state;
firstly, the photosensitive sensor module collects data before the display screen is turned off and stores the data in a storage unit of the control module;
secondly, comparing the numerical values acquired by each photosensitive sensor module when the same picture or the static picture is displayed in each area played by the display screen;
thirdly, when the deviation between the acquired numerical value of one photosensitive sensor module and the acquired numerical values of other photosensitive sensor modules in the comparison exceeds a preset range, judging that the display area of the detection range of the photosensitive sensor module is abnormal in playing pictures in advance;
thirdly, respectively comparing the numerical value of which the deviation exceeds a preset range with the numerical value acquired in the state of the display screen in the state of the white screen stored in a storage unit of the control module, judging that the display area of the display screen corresponding to the numerical value has a black screen fault if the deviation numerical value is not greatly different from the numerical value in the state of the display screen, and judging that the display area of the display screen corresponding to the numerical value has a white screen fault if the deviation numerical value is not greatly different from the numerical value in the state of the display screen;
s6, detecting a shutdown display screen in a dark night state;
firstly, each photosensitive sensor module collects the numerical value of a black screen picture when the display screen is in a shutdown state, compares the numerical value collected for the time with data before the shutdown of the display screen, judges that the display screen does not play the picture when the numerical values are similar, and judges that the display screen normally plays the picture according to the setting if the numerical value difference is larger;
s7, detecting the display screen when the light is bright in the daytime;
the numerical values of the white screen state and the black screen state of the display screen, which are acquired by the photosensitive sensor module when the light is bright in the daytime, are not different, and the fault cannot be judged, so that the detection system is set to be in a dormant state;
s8, detecting the display screen when the light is dim in the daytime;
when the numerical values of the white screen state and the black screen state of the display screen, which are acquired by the photosensitive sensor module in the dark light in the daytime, are compared, the display fault of the display screen can be judged by a small difference value.
Preferably, in the step S3, when comparing the acquired value with the reference value, the reference value used should play the corresponding value of the same frame time point on the previous day.
Preferably, the numerical value before shutdown of the display screen used in the step S6 is a numerical value continuously collected within 5 minutes before shutdown.
Preferably, the number of the photosensitive sensor modules is six, and the photosensitive sensor modules are respectively arranged at positions close to two ends of the upper edge and the lower edge of the front face of the display screen and at the central positions of the left edge and the right edge of the front face.
Preferably, the model of the photosensitive sensor module is XYC-PT5E550BC-A6.
Preferably, the model of the control module is TSE-I8-C24.
Compared with the prior art, the invention has the beneficial effects that:
the liquid crystal display screen detection method disclosed by the invention realizes real-time numerical value acquisition on the conditions of display screens with different working conditions of the display screen, and timely analyzes and judges, so that the problems of the display screen can be found timely, and the display screen can be maintained timely and pertinently.
Drawings
FIG. 1 is a schematic diagram of a detection system according to the present invention.
In the figure: 1-a display screen; 2-a photosensor module; 3-a control module.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, the present invention provides a technical solution: an intelligent detection method for monitoring a display picture of a liquid crystal display screen comprises the following steps:
s1, arranging photosensitive sensor modules 2 around a display screen 1;
the number of the photosensitive sensor modules 2 is six, the photosensitive sensor modules 2 are respectively arranged at the positions, close to two ends, of the upper edge and the lower edge of the front face of the display screen 1 and the central positions of the left edge and the right edge of the front face, the output ends of the photosensitive sensor modules 2 are respectively and electrically connected with the input ends of the control modules 3, the model of the photosensitive sensor modules 2 is XYC-PT5E550BC-A6, and the model of the control modules 3 is TSE-I8-C24;
s2, acquiring a brightness reference value of the display screen 1;
the six photosensitive sensor modules 2 respectively collect data in real time when the display screen 1 plays the picture, and the collected data are stored in a storage unit of the control module 3 to be used as reference values of the second day;
s3, primarily judging that the display screen playing picture is abnormal;
the six photosensitive sensor modules 2 transmit the acquired data to the control module 3, the control module 3 compares the acquired numerical value with the reference numerical value acquired in the step S2, and if the variation difference value of the acquired numerical value relative to the reference numerical value exceeds a preset variation range, the display screen 1 is initially judged to play an abnormal picture;
when comparing the acquired value with the reference value, the adopted reference value should play the corresponding value of the same picture time point in the previous day;
s4, displaying detailed judgment of faults on the display screen 1;
on the basis of initially judging that the display screen 1 is abnormal in playing picture in the step S3, comparing the difference values among the acquired numerical values of the photosensitive sensor modules 2, and judging that the display screen 1 has the screen pattern failure if the numerical values are not different and the detection values acquired by the single photosensitive sensor module 2 for multiple times are the same;
on the basis of initially judging that the display screen 1 plays an abnormal picture in the step S3, comparing the difference values among the acquired numerical values of the photosensitive sensor modules 2, if the numerical value difference exceeds a set range and the variation amplitude of the detection values acquired by the single photosensitive sensor module 2 for many times is larger, judging that the display screen 1 does not play a preset picture correctly, and the screen has a red, green and blue three-color jumping fault;
s5, detecting the running display screen 1 in a dark night state;
firstly, the photosensitive sensor module 2 collects data before the display screen 1 is turned off and stores the data in a storage unit of the control module 3;
secondly, comparing the values acquired by each photosensitive sensor module 2 when the same picture or the static picture is displayed in each area played by the display screen 1;
thirdly, when the deviation between the acquired value of one photosensitive sensor module 2 and the acquired values of other photosensitive sensor modules 2 exceeds a preset range in the comparison, judging that the display area of the detection range of the photosensitive sensor module 2 is abnormal in playing picture in advance;
thirdly, respectively comparing the numerical value of which the deviation exceeds a preset range with the numerical value acquired when the display screen 1 is in a black screen state and the numerical value acquired when the display screen 1 is in a white screen state and stored in a storage unit of the control module 3, judging that the display area of the display screen 1 corresponding to the numerical value has black screen faults if the deviation numerical value is not greatly different from the numerical value when the display screen 1 is in the black screen state, and judging that the display area of the display screen 1 corresponding to the numerical value has white screen faults if the deviation numerical value is not greatly different from the numerical value when the display screen 1 is in the white screen state;
s6, detecting the shutdown display screen 1 in a dark night state;
firstly, each photosensitive sensor module 2 collects the numerical value of a black screen picture when the display screen 1 is in a shutdown state, compares the numerical value collected this time with the numerical value continuously collected within 5 minutes before the shutdown of the display screen 1, judges that the display screen 1 does not play the picture when the numerical values are similar, and judges that the display screen 1 plays the picture normally according to the setting if the numerical value difference is larger;
s7, detecting the display screen 1 when the light is bright in the daytime;
the numerical values of the white screen state and the black screen state of the display screen 1 collected by the photosensitive sensor module 2 when the light is bright in the daytime are not different, so that faults cannot be judged, and the detection system is set to be in a dormant state;
s8, detecting the display screen when the light is dim in the daytime;
when the values of the white screen state and the black screen state of the display screen 1 acquired by the photosensitive sensor module 2 in the dark light in the daytime are compared, the display fault of the display screen 1 can be judged by a small difference value.
In the several embodiments provided in the present invention, it should be understood that the disclosed apparatus and method may be implemented in other manners. For example, the apparatus embodiments described above are merely illustrative, e.g., the division of the modules or units is merely a logical functional division, and there may be additional divisions when actually implemented, e.g., multiple units or components may be combined or integrated into another system, or some features may be omitted, or not performed. Alternatively, the coupling or direct coupling or communication connection shown or discussed with each other may be an indirect coupling or communication connection via some interfaces, devices or units, which may be in electrical, mechanical or other form.
The units described as separate components may or may not be physically separate, and components displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of units. Some or all of the units may be selected according to actual needs to achieve the purpose of the embodiment.
In addition, each functional unit in each embodiment of the present invention may be integrated in one processing unit, each unit may exist alone physically, or two or more units may be integrated in one unit.
The integrated units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present invention may be embodied in essence or a part contributing to the prior art or all or part of the technical solution in the form of a software product stored in a storage medium, including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor (processor) to execute all or part of the steps of the method according to the embodiments of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a random access Memory (RAM, random Access Memory), a magnetic disk, or an optical disk, or other various media capable of storing program codes.
The foregoing description is only of embodiments of the present invention, and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes using the descriptions and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.
Claims (6)
1. An intelligent detection method for monitoring a display picture of a liquid crystal display screen is characterized by comprising the following steps of:
s1, arranging photosensitive sensor modules (2) around a display screen (1);
the photosensitive sensor modules (2) are respectively arranged at the peripheral edge positions of the front face of the display screen (1), and the output ends of the photosensitive sensor modules (2) are respectively and electrically connected with the input ends of the control modules (3);
s2, acquiring a brightness reference value of the display screen (1);
the six photosensitive sensor modules (2) respectively collect data in real time when the display screen (1) plays the picture, and the collected data are stored in a storage unit of the control module (3) to be used as reference values of the second day;
s3, primarily judging that the display screen playing picture is abnormal;
the six photosensitive sensor modules (2) transmit collected data to the control module (3), the control module (3) compares the value collected in the time with the reference value collected in the step S2, and if the variation difference value of the value collected in the time relative to the reference value exceeds a preset variation range, the display screen (1) plays images abnormally;
s4, displaying detailed judgment of faults on a display screen (1);
on the basis of initial judgment of abnormal playing pictures of the display screen (1), comparing difference values among the acquired numerical values of the photosensitive sensor modules (2), and judging that the display screen (1) has a screen pattern failure if the numerical values differ little and the detection values acquired by the photosensitive sensor modules (2) for many times are the same;
on the basis of initial judgment that the display screen (1) plays an abnormal picture in the step S3, comparing difference values among the acquired numerical values of the photosensitive sensor modules (2), if the difference values exceed a set range and the variation range of the detection values acquired by the photosensitive sensor modules (2) for many times is large, judging that the display screen (1) does not play a preset picture correctly, and the screen has a fault of red, green and blue three-color jumping;
s5, detecting the running display screen (1) in a dark night state;
firstly, the photosensitive sensor module (2) collects data before the display screen (1) is shut down and stores the data in a storage unit of the control module (3);
secondly, comparing the numerical values acquired by each photosensitive sensor module (2) when the same picture or the static picture is displayed in each area played by the display screen (1);
thirdly, when the deviation between the acquired value of one photosensitive sensor module (2) and the acquired values of other photosensitive sensor modules (2) in the comparison exceeds a preset range, judging that the display area of the detection range of the photosensitive sensor module (2) is abnormal in playing picture in advance;
thirdly, respectively comparing the numerical value of which the deviation exceeds a preset range with the numerical value acquired in the state of the black screen and the white screen of the display screen (1) stored in the storage unit of the control module (3), judging that the display area of the display screen (1) corresponding to the numerical value has black screen faults if the deviation numerical value is not different from the numerical value in the state of the black screen of the display screen (1), and judging that the display area of the display screen (1) corresponding to the numerical value has white screen faults if the deviation numerical value is not different from the numerical value in the state of the white screen of the display screen (1);
s6, detecting a shutdown display screen (1) in a dark night state;
firstly, each photosensitive sensor module (2) collects the numerical value of a black screen picture when the display screen (1) is in a shutdown state, compares the numerical value collected at the time with the numerical value before the shutdown of the display screen (1), judges that the display screen (1) does not play the picture when the numerical values are similar, and judges that the display screen (1) plays the picture normally according to the setting if the numerical value difference is larger;
s7, detecting the display screen (1) when the light is bright in the daytime;
the numerical values of the white screen state and the black screen state of the display screen (1) collected by the photosensitive sensor module (2) when the light is bright in the daytime are not different, faults cannot be judged, and the detection system is set to be in a dormant state;
s8, detecting the display screen when the light is dim in the daytime;
when the numerical values of the white screen state and the black screen state of the display screen (1) acquired by the photosensitive sensor module (2) in the dark light in the daytime are compared, a small difference value exists, and the display fault of the display screen (1) can be judged.
2. The intelligent detection method for monitoring a display screen of a liquid crystal display according to claim 1, wherein: in the step S3, when comparing the acquired value with the reference value, the adopted reference value should play the corresponding value of the same picture time point in the previous day.
3. The intelligent detection method for monitoring a display screen of a liquid crystal display according to claim 1, wherein: the numerical value before the shutdown of the display screen (1) used in the step S6 is a numerical value continuously acquired within 5 minutes before the shutdown.
4. The intelligent detection method for monitoring a display screen of a liquid crystal display according to claim 1, wherein: the number of the photosensitive sensor modules (2) is six, and the photosensitive sensor modules (2) are respectively arranged at the positions, close to two ends, of the upper edge and the lower edge of the front face of the display screen (1) and at the central positions of the left edge and the right edge of the front face.
5. An intelligent detection method for monitoring a display screen of a liquid crystal display according to any one of claims 1 to 4, wherein: the model of the photosensitive sensor module (2) is XYC-PT5E550BC-A6.
6. An intelligent detection method for monitoring a display screen of a liquid crystal display according to any one of claims 1 to 4, wherein: the model of the control module (3) is TSE-I8-C24.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10319865A (en) * | 1997-05-15 | 1998-12-04 | Nec Shizuoka Ltd | Liquid crystal display device |
| KR20060038030A (en) * | 2004-10-29 | 2006-05-03 | 주식회사 우진산전 | Error detection system |
| JP2008216334A (en) * | 2007-02-28 | 2008-09-18 | Nippon Signal Co Ltd:The | Detecting method and detecting device for screen display fault |
| CN106782236A (en) * | 2016-11-30 | 2017-05-31 | 广州日滨科技发展有限公司 | Display device plays abnormal alarm method, device and display device |
| CN106782235A (en) * | 2016-11-30 | 2017-05-31 | 广州日滨科技发展有限公司 | The abnormal detection method of display screen, device and display device |
| CN108844966A (en) * | 2018-07-09 | 2018-11-20 | 广东速美达自动化股份有限公司 | A kind of screen detection method and detection system |
| CN109493775A (en) * | 2018-12-20 | 2019-03-19 | 深圳市锐明技术股份有限公司 | Show detection method, device and the terminal device of failure |
| CN110475114A (en) * | 2019-07-25 | 2019-11-19 | 深圳市维冠视界科技股份有限公司 | A kind of Intelligent hardware monitoring method of liquid crystal display |
| CN110956606A (en) * | 2018-09-25 | 2020-04-03 | 西安诺瓦星云科技股份有限公司 | Display screen playing picture abnormity detection method, device and system |
-
2021
- 2021-02-05 CN CN202110163734.1A patent/CN114879388B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10319865A (en) * | 1997-05-15 | 1998-12-04 | Nec Shizuoka Ltd | Liquid crystal display device |
| KR20060038030A (en) * | 2004-10-29 | 2006-05-03 | 주식회사 우진산전 | Error detection system |
| JP2008216334A (en) * | 2007-02-28 | 2008-09-18 | Nippon Signal Co Ltd:The | Detecting method and detecting device for screen display fault |
| CN106782236A (en) * | 2016-11-30 | 2017-05-31 | 广州日滨科技发展有限公司 | Display device plays abnormal alarm method, device and display device |
| CN106782235A (en) * | 2016-11-30 | 2017-05-31 | 广州日滨科技发展有限公司 | The abnormal detection method of display screen, device and display device |
| CN108844966A (en) * | 2018-07-09 | 2018-11-20 | 广东速美达自动化股份有限公司 | A kind of screen detection method and detection system |
| CN110956606A (en) * | 2018-09-25 | 2020-04-03 | 西安诺瓦星云科技股份有限公司 | Display screen playing picture abnormity detection method, device and system |
| CN109493775A (en) * | 2018-12-20 | 2019-03-19 | 深圳市锐明技术股份有限公司 | Show detection method, device and the terminal device of failure |
| CN110475114A (en) * | 2019-07-25 | 2019-11-19 | 深圳市维冠视界科技股份有限公司 | A kind of Intelligent hardware monitoring method of liquid crystal display |
Non-Patent Citations (1)
| Title |
|---|
| 液晶彩电显示屏常见故障现象、原因分析及处理;柳新海;家电检修技术(第2期);第114-115页 * |
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