CN119148882B - A touch screen fault warning system based on IoT data analysis - Google Patents
A touch screen fault warning system based on IoT data analysis Download PDFInfo
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- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
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Abstract
本发明属于触控显示屏管控技术领域，具体是一种基于物联网数据分析的触控显示屏故障预警系统，包括服务器、触控性能检测评估模块、显示性能检测评估模块、运行异常辅助综检模块和故障预警端；本发明通过触控性能检测评估模块对触控显示屏的触控性能进行检测分析，显示性能检测评估模块对触控显示屏的显示性能进行检测分析，运行异常辅助综检模块对触控显示屏的运行异常状况进行辅助监测并生成运行辅测不合格信号或运行辅测合格信号，实现对触控显示屏运行故障的自动诊断，智能化程度高，故障诊断分析更加全面化，故障诊断结果更加精准，有效保证触控显示屏的安全稳定运行，显著提升触控显示屏的使用寿命。
The present invention belongs to the technical field of touch display screen management and control, and specifically is a touch display screen fault warning system based on Internet of Things data analysis, comprising a server, a touch performance detection and evaluation module, a display performance detection and evaluation module, an operation abnormality auxiliary comprehensive inspection module and a fault warning terminal; the present invention detects and analyzes the touch performance of the touch display screen through the touch performance detection and evaluation module, detects and analyzes the display performance of the touch display screen through the display performance detection and evaluation module, and the operation abnormality auxiliary comprehensive inspection module performs auxiliary monitoring on the operation abnormality of the touch display screen and generates an operation auxiliary test unqualified signal or an operation auxiliary test qualified signal, thereby realizing automatic diagnosis of touch display screen operation faults, having a high degree of intelligence, more comprehensive fault diagnosis analysis, more accurate fault diagnosis results, effectively ensuring the safe and stable operation of the touch display screen, and significantly improving the service life of the touch display screen.
Description
Technical Field
The invention relates to the technical field of control of touch display screens, in particular to a touch display screen fault early warning system based on data analysis of the Internet of things.
Background
The touch display screen is also called as a touch screen or a touch panel, is an induction type liquid crystal display device capable of receiving input signals such as a contact head, and the like, and mainly uses the touch screen and can receive touch signals of external force, and the touch signals of the external force are converted into corresponding instructions by being matched with a touch feedback system, so that the control operation of various devices is realized, and the touch display device has the advantages of simplicity, easiness, convenience, rapidness, space saving and the like;
at present, in the use process of the touch display screen, the operation of the touch display screen cannot be effectively monitored, the operation condition of the touch display screen is difficult to reasonably evaluate, the comprehensive analysis and diagnosis of the operation faults of the touch display screen are realized, and a manager cannot timely conduct targeted inspection and maintenance on the touch display screen, so that the safety and stability operation of the touch display screen are not guaranteed, the service life of the touch display screen is prolonged, the intelligent degree is low, and the management difficulty is high;
in view of the above technical drawbacks, a solution is now proposed.
Disclosure of Invention
The invention aims to provide a touch display screen fault early warning system based on data analysis of the Internet of things, which solves the problems that the operation of a touch display screen cannot be effectively monitored, the operation condition of the touch display screen is difficult to reasonably evaluate, the comprehensive analysis and diagnosis of the operation fault of the touch display screen are realized, the safe and stable operation of the touch display screen is not easy to ensure, the service life of the touch display screen is prolonged, and the management difficulty is high in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the touch display screen fault early warning system based on the data analysis of the Internet of things comprises a server, a touch performance detection and evaluation module, a display performance detection and evaluation module, an operation abnormality auxiliary comprehensive detection module and a fault early warning end, wherein the touch performance detection and evaluation module detects and analyzes the touch performance of a touch display screen, judges the touch condition of the touch display screen, generates a touch performance abnormal signal or a touch performance normal signal of the touch display screen according to the detection and analysis, and sends the touch performance abnormal signal or the touch performance normal signal to the fault early warning end through the server;
The display performance detection evaluation module detects and analyzes the display performance of the touch display screen, judges the display condition of the touch display screen, generates a display performance abnormal signal or a display performance normal signal of the touch display screen according to the display performance abnormal signal or the display performance normal signal, and sends the display performance abnormal signal or the display performance normal signal to the fault early warning end through the server;
The operation abnormality auxiliary comprehensive detection module is used for carrying out auxiliary monitoring on the operation abnormality condition of the touch display screen, generating an operation auxiliary detection unqualified signal or an operation auxiliary detection qualified signal of the touch display screen through analysis, sending the operation auxiliary detection unqualified signal or the operation auxiliary detection qualified signal of the touch display screen to a fault early warning end through a server, sending corresponding early warning when the fault early warning end receives the touch performance abnormality signal, the display performance abnormality signal or the operation auxiliary detection unqualified signal, generating corresponding early warning information and sending the corresponding early warning information to an intelligent terminal of a manager.
Further, the specific operation process of the touch performance detection and evaluation module includes:
When the touch control display screen is subjected to touch control operation, acquiring the pressure applied by an operator when the operator touches the touch control display screen, marking the pressure as a touch control detection value, acquiring the contact time between the operator and the touch control display screen, marking the contact time as a touch control detection value, respectively comparing the touch control detection value and the touch control detection value with a preset touch control detection value range and a preset touch control detection value range, marking the corresponding touch control operation as effective operation if the touch control detection value and the touch control detection value are both in the corresponding preset range, acquiring the number of effective operation for the touch control display screen in unit time, marking the number of effective operation for the touch control display screen as a touch control effective value, and marking the ratio of the unresponsive number of the touch control display screen to the touch control effective value in unit time as a touch control failure value;
And when the corresponding effective operation is carried out and the touch display screen responds, acquiring the response reaction time length of the touch display screen, carrying out numerical comparison on the response reaction time length and a preset response time length threshold value, marking the corresponding effective operation as a retarded reaction operation if the response reaction time length exceeds the preset response time length threshold value, marking the ratio of the times of retarded reaction operation in unit time to a touch effective value as a touch slow frequency value, carrying out numerical comparison on a touch failure value and the touch slow frequency value and a preset touch failure threshold value and a preset touch slow frequency threshold value respectively, and generating a touch performance abnormal signal of the touch display screen if the touch failure value or the touch slow frequency value exceeds the corresponding preset threshold value.
Further, if the touch failure value and the touch slow frequency value do not exceed the corresponding preset threshold values, average value calculation is carried out on all response reaction time lengths in unit time to obtain a touch response time analysis value, numerical calculation is carried out on the touch failure value, the touch slow frequency value and the touch response time analysis value to obtain a touch table value, the touch table value is compared with the preset touch table threshold values, if the touch table value exceeds the preset touch table threshold values, a touch performance abnormal signal of the touch display screen is generated, and if the touch table value does not exceed the preset touch table threshold values, classification grade progressive evaluation analysis is carried out.
Further, the specific analysis process of the grading progressive evaluation analysis is as follows:
Dividing a display surface of a touch display screen into a plurality of display areas, acquiring touch operation times aiming at the display areas in the history operation process of the touch display screen, marking the touch operation times as display area touch frequency values, carrying out numerical comparison on the display area touch frequency values and a preset display area touch frequency value range, marking the corresponding display areas as high-frequency display areas if the display area touch frequency values exceed the maximum value of the preset display area touch frequency value range, marking the corresponding display areas as medium-frequency display areas if the display area touch frequency values are positioned in the preset display area touch frequency value range, and marking the corresponding display areas as low-frequency display areas if the display area touch frequency values do not exceed the minimum value of the preset display area touch frequency value range;
acquiring a touch control table value of a corresponding display area in unit time and marking the touch control table value as a display area touch detection value, and if the corresponding display area is a high-frequency display area, allocating a preset display area touch detection threshold value CP1 to the corresponding display area, and if the corresponding display area is a medium-frequency display area, allocating a preset display area touch detection threshold value CP2 to the corresponding display area, and if the corresponding display area is a low-frequency display area, allocating a preset display area touch detection threshold value CP3 to the corresponding display area, wherein the touch control threshold value CP1 is 0< CP2< CP3;
The method comprises the steps of comparing a display area touch detection value with a preset display area touch detection threshold matched with the display area, giving a display judgment symbol XP-1 to the display area if the display area touch detection value exceeds the corresponding preset display area touch detection threshold, giving a display judgment symbol XP-2 to the display area if the display area touch detection value does not exceed the corresponding preset display area touch detection threshold, acquiring the number of display areas corresponding to the display judgment symbol XP-1 in a touch display screen, marking the number as an unoperated area detection value, acquiring the number of display areas corresponding to the display judgment symbol XP-2 in the touch display screen, marking the number as an easily operated area detection value, calculating the ratio of the unoperated area detection value to the easily operated area detection value to obtain a touch operation value, comparing the touch operation value with the preset touch operation threshold, generating a touch performance abnormal signal of the touch display screen if the touch operation value does not exceed the preset touch operation threshold, and generating a touch performance normal signal of the touch display screen.
Further, the specific operation process of the display performance detection evaluation module comprises the following steps:
The method comprises the steps of collecting display brightness of each area of a display surface of a touch display screen, carrying out mean value calculation and variance calculation on the display brightness of each area to obtain a display brightness detection value and a display brightness distribution value, carrying out difference calculation on the display brightness detection value and a preset brightness standard value, taking an absolute value to obtain a display brightness segregation value, carrying out numerical comparison on the display brightness segregation value and the display brightness distribution value and a preset display brightness segregation threshold value and a preset display brightness distribution threshold value respectively, and generating a display performance abnormal signal of the touch display screen if the display brightness segregation value or the display brightness distribution value exceeds the corresponding preset threshold value.
Further, if the brightness segregation value and the brightness distribution value do not exceed the corresponding preset thresholds, acquiring an image on a touch display screen through an image sensor, converting the acquired image into digital signals, wherein the digital signals comprise color information of each pixel, calculating color deviation of each pixel, carrying out mean value calculation on the color deviation of all the pixels to obtain a display color deviation value, and marking the occupation ratio of the pixels with the color deviation exceeding the preset color deviation threshold as a color high-bias pixel value;
The method comprises the steps of acquiring resolution and contrast of a touch display screen, marking a deviation value of the resolution compared with preset standard resolution data as a resolution bias detection value, marking a deviation value of the contrast compared with preset standard contrast data as a contrast bias detection value, carrying out numerical calculation on a display color bias value, a color high bias pixel value, the resolution bias detection value and the contrast bias detection value to obtain a touch display detection value, carrying out numerical comparison on the touch display detection value and a preset touch display detection threshold value, generating a display performance abnormal signal of the touch display screen if the touch display detection value exceeds the preset touch display detection threshold value, and generating a display performance normal signal of the touch display screen if the touch display detection value does not exceed the preset touch display detection threshold value.
Further, the specific operation process of the operation abnormality auxiliary comprehensive detection module comprises the following steps:
and the display power coefficient and the display abnormal coefficient of the touch display screen are called from the server, the display power coefficient and the display abnormal coefficient are respectively compared with a preset display power coefficient threshold value and a preset display abnormal coefficient threshold value in numerical value, if the display power coefficient or the display abnormal coefficient exceeds the corresponding preset threshold value, a display auxiliary testing unqualified signal of the touch display screen is generated, and if the display power coefficient and the display abnormal coefficient do not exceed the corresponding preset threshold value, a display auxiliary testing qualified signal of the touch display screen is generated.
Further, the server is in communication connection with the display screen power monitoring module, the display screen power monitoring module obtains a voltage curve of the touch display screen in unit time, vertical distance calculation is carried out on adjacent wave peak points and wave trough points in the voltage curve to obtain voltage wave distance values, average calculation is carried out on all the voltage wave distance values in unit time to obtain voltage wave detection values, and the current wave detection values are obtained in the same way;
The method comprises the steps of acquiring average running power and consumed electric quantity of a touch display screen in unit time, calculating the ratio of the consumed electric quantity to the average running power to obtain a display power consumption check value, marking the instantaneous power consumption rate with the largest value in unit time as an instantaneous power consumption rate amplitude value, carrying out normalization calculation on a voltage wave check value, a current wave check value, a voltage untimely check value, a current untimely check value, a display power consumption check value and the instantaneous power consumption rate amplitude value to obtain a display power coefficient, and sending the display power coefficient to a server for storage.
Further, the server is in communication connection with the display screen abnormal monitoring module, the display screen abnormal monitoring module acquires real-time temperatures of a plurality of parts on the touch display screen, and calculates the average value of all the real-time temperatures to obtain a display temperature detection value;
the method comprises the steps of obtaining a noise curve and a vibration curve generated by a touch display screen in unit time, obtaining existing noise peak points based on the noise curve, carrying out mean value calculation on noise data of all the noise peak points to obtain noise peak detection values, marking the number of the noise peak points as noise peak analysis values, obtaining vibration peak detection values and vibration peak analysis values in a similar way, carrying out normalization calculation on a display Wen Bo value, a display temperature detection value, the noise peak detection values, the noise peak analysis values, the vibration peak detection values and the vibration peak analysis values to obtain display sign coefficients, and sending the display sign coefficients to a server for storage.
Compared with the prior art, the invention has the beneficial effects that:
1. According to the invention, the touch performance of the touch display screen is detected and analyzed through the touch performance detection and evaluation module, so that a touch performance abnormal signal or a touch performance normal signal of the touch display screen is generated, the display performance detection and evaluation module detects and analyzes the display performance of the touch display screen, so that a display performance abnormal signal or a display performance normal signal of the touch display screen is generated, the operation abnormal auxiliary comprehensive detection module carries out auxiliary monitoring on the operation abnormal condition of the touch display screen, so that an operation auxiliary detection disqualification signal or an operation auxiliary detection qualification signal of the touch display screen are generated, the automatic diagnosis of the operation faults of the touch display screen is realized, the fault diagnosis analysis is more comprehensive, the fault diagnosis result is more accurate, the safe and stable operation of the touch display screen is effectively ensured, and the service life of the touch display screen is prolonged;
2. according to the invention, the display power monitoring module is used for evaluating the power performance condition of the touch display screen during operation, acquiring and storing the display power coefficient of the touch display screen, not only can timely and accurately feed back the operation power abnormality degree of the touch display screen, but also can provide data support for the analysis process of the operation abnormality auxiliary comprehensive detection module, ensure the accuracy of the analysis result, and detect the operation abnormality condition of the touch display screen through the display screen abnormality monitoring module, acquire and store the display abnormality coefficient of the touch display screen, not only can accurately feed back the operation abnormality degree of the touch display screen to ensure the safe and stable operation of the touch display screen, but also can provide data support for the analysis process of the operation abnormality auxiliary comprehensive detection module, further ensure the accuracy of the analysis result of the operation abnormality auxiliary comprehensive detection module, and realize the effective monitoring of the operation process of the touch display screen.
Drawings
For the convenience of those skilled in the art, the present invention will be further described with reference to the accompanying drawings;
FIG. 1 is a system block diagram of a first embodiment of the present invention;
Fig. 2 is a system block diagram of the second and third embodiments of the present invention.
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.
As shown in fig. 1, the touch display screen fault early warning system based on the data analysis of the internet of things provided by the invention comprises a server, a touch performance detection and evaluation module, a display performance detection and evaluation module, an operation abnormality auxiliary comprehensive detection module and a fault early warning end, wherein the server is in communication connection with the touch performance detection and evaluation module, the display performance detection and evaluation module, the operation abnormality auxiliary comprehensive detection module and the fault early warning end through the internet of things;
The touch performance detection evaluation module detects and analyzes the touch performance of the touch display screen, judges the touch condition of the touch display screen, generates a touch performance abnormal signal or a touch performance normal signal of the touch display screen according to the detection analysis, and sends the touch performance abnormal signal or the touch performance normal signal to the fault early warning end through the server, so that the touch performance condition of the touch display screen can be reasonably evaluated and accurately fed back, fault diagnosis of the touch performance of the touch display screen is realized, and corresponding parts of the touch display screen are timely checked and maintained when the touch performance is abnormal, so that the use effect of the touch display screen is guaranteed, and the touch performance detection evaluation module specifically operates as follows:
When the touch control display screen is subjected to touch control operation, acquiring the pressure applied by an operator when the operator touches the touch control display screen, marking the pressure as a touch control detection value, acquiring the contact time between the operator and the touch control display screen, marking the contact time as a touch control detection value, respectively comparing the touch control detection value and the touch control detection value with a preset touch control detection value range and a preset touch control detection value range, marking the corresponding touch control operation as effective operation if the touch control detection value and the touch control detection value are both in the corresponding preset range, acquiring the number of effective operation for the touch control display screen in unit time, marking the number of effective operation for the touch control display screen as a touch control effective value, and marking the ratio of the unresponsive number of the touch control display screen to the touch control effective value in unit time as a touch control failure value;
The method comprises the steps of carrying out corresponding effective operation and responding to a touch display screen, obtaining response time length of the touch display screen, carrying out numerical comparison on the response time length and a preset response time length threshold value, marking the corresponding effective operation as retarded response operation if the response time length exceeds the preset response time length threshold value, marking the ratio of the times of retarded response operation in unit time to a touch effective value as a touch slow frequency value, carrying out numerical comparison on a touch failure value and the touch slow frequency value and the preset touch failure threshold value and the preset touch slow frequency threshold value respectively, and generating a touch performance abnormal signal of the touch display screen if the touch failure value or the touch slow frequency value exceeds the corresponding preset threshold value, indicating that the touch performance condition is poor;
if the touch failure value and the touch slow frequency value do not exceed the corresponding preset threshold values, carrying out average value calculation on all response time lengths in unit time to obtain a touch response time analysis value, and passing through a formula Carrying out numerical calculation on a touch failure value CR, a touch slow frequency value CW and a touch response analysis value CF to obtain a touch table value CX, wherein et1, et2 and et3 are preset proportion coefficients, et1> et2> et3>0.36, and the larger the numerical value of the touch table value CX is, the worse the touch performance of the touch display screen in unit time is indicated;
dividing the display surface of the touch display screen into a plurality of display areas, acquiring the touch operation times of the corresponding display areas in the history operation process of the touch display screen, marking the touch operation times as display area touch frequency values, comparing the display area touch frequency values with a preset display area touch frequency value range, marking the corresponding display areas as high-frequency display areas if the display area touch frequency values exceed the maximum value of the preset display area touch frequency value range, marking the corresponding display areas as medium-frequency display areas if the display area touch frequency values are within the preset display area touch frequency value range, and marking the corresponding display areas as low-frequency display areas if the display area touch frequency values do not exceed the minimum value of the preset display area touch frequency value range;
The touch control method comprises the steps of obtaining a touch control table value of a corresponding display area in unit time and marking the touch control table value as a display area touch control value, if the corresponding display area is a high-frequency display area, distributing a preset display area touch control threshold value CP1 to the corresponding display area, if the corresponding display area is a medium-frequency display area, distributing a preset display area touch control threshold value CP2 to the corresponding display area, if the corresponding display area is a low-frequency display area, distributing a preset display area touch control threshold value CP3 to the corresponding display area, and enabling the display area to be distributed with a preset display area touch control threshold value which is matched with the corresponding display area according to different grades, so that the accuracy of touch control analysis results of all the display areas can be effectively improved;
Comparing the touch detection value of the display area with a preset touch detection threshold value matched with the display area, if the touch detection value of the display area exceeds the corresponding preset touch detection threshold value of the display area, indicating that the touch performance of the corresponding display area is poor, giving a display judgment symbol XP-1 to the display area;
The method comprises the steps of obtaining the number of display areas corresponding to a display judgment symbol XP-1 in a touch display screen, marking the number of the display areas as a difficult operation area detection value, obtaining the number of the display areas corresponding to a display judgment symbol XP-2 in the touch display screen, marking the number of the display areas as an easy operation area detection value, calculating the ratio of the difficult operation area detection value to the easy operation area detection value to obtain a touch operation value, wherein the larger the value of the touch operation value is, the worse the touch performance of the touch display screen is, the numerical comparison is carried out between the touch operation value and a preset touch operation threshold, if the touch operation value exceeds the preset touch operation threshold, the abnormal touch performance signal of the touch display screen is generated, and if the touch operation value does not exceed the preset touch operation threshold, the normal touch performance signal of the touch display screen is generated.
The display performance detection evaluation module detects and analyzes the display performance of the touch display screen, judges the display condition of the touch display screen, generates a display performance abnormal signal or a display performance normal signal of the touch display screen according to the display performance abnormal signal or the display performance normal signal, and sends the display performance abnormal signal or the display performance normal signal to the fault early warning end through the server, so that the display performance condition of the touch display screen can be reasonably evaluated and accurately fed back, fault diagnosis of the display performance of the touch display screen is realized, and when the display performance is abnormal, a manager timely checks and maintains related parts of the touch display screen, thereby being beneficial to ensuring safe and stable operation of the touch display screen, and the specific operation process of the display performance detection evaluation module is as follows:
The method comprises the steps of collecting display brightness of each area of a display surface of a touch display screen, carrying out mean value calculation and variance calculation on the display brightness of each area to obtain a display brightness detection value and a display brightness distribution value, wherein the larger the value of the display brightness distribution value is, the more uneven the display brightness of each area on the touch display screen is, carrying out difference calculation on the display brightness detection value and a preset brightness standard value which are set, and taking an absolute value to obtain a display brightness segregation value, wherein the larger the value of the display brightness segregation value is, the larger the display brightness deviation degree of the touch display screen is, carrying out numerical comparison on the display brightness segregation value and the display brightness distribution value with a preset display brightness segregation threshold value and a preset display brightness distribution threshold value respectively, and if the display brightness segregation value or the display brightness distribution value exceeds the corresponding preset threshold value, indicating that the display brightness of the touch display screen is not good, generating a display performance abnormal signal of the touch display screen;
If the brightness segregation value and the brightness distribution value do not exceed the corresponding preset thresholds, acquiring an image on a touch display screen through an image sensor, converting the acquired image into a digital signal, calculating the color deviation of each pixel point, carrying out mean value calculation on the color deviation of all the pixel points to obtain a display color deviation value, marking the occupation ratio of the pixel points with the color deviation exceeding the preset color deviation threshold as a high-color pixel value, acquiring the resolution and the contrast of the touch display screen, marking the deviation value of the resolution compared with the preset standard resolution data as a resolution bias value, and marking the deviation value of the contrast compared with the preset standard contrast data as a contrast bias value;
by the formula The method comprises the steps of carrying out numerical calculation on a display color deviation value FR, a color high-bias pixel value FK, a resolution bias detection value FP and a contrast bias detection value FD to obtain a touch display detection value FX, wherein wq1, wq2, wq3 and wq4 are preset proportion coefficients, the larger the numerical value of the touch display detection value FX is, the worse the display performance of the touch display screen is, carrying out numerical comparison on the touch display detection value FX and a preset touch display detection threshold value, if the touch display detection value FX exceeds the preset touch display detection threshold value, the poor display performance of the touch display screen is indicated, generating a display performance abnormal signal of the touch display screen, and if the touch display detection value FX does not exceed the preset touch display detection threshold value, the better display performance of the touch display screen is indicated, and the normal display performance signal of the touch display screen is generated.
The operation abnormality auxiliary comprehensive detection module is used for carrying out auxiliary monitoring on the operation abnormality condition of the touch display screen, generating an operation auxiliary detection failure signal or an operation auxiliary detection qualified signal of the touch display screen through analysis, and sending the operation auxiliary detection failure signal or the operation auxiliary detection qualified signal of the touch display screen to a fault early warning end through a server, so that the operation fault of the touch display screen can be subjected to auxiliary detection analysis, the fault diagnosis analysis is more comprehensive, the fault diagnosis result is more accurate, and the safe and stable operation of the touch display screen is further ensured, wherein the specific operation process of the operation abnormality auxiliary comprehensive detection module is as follows:
The method comprises the steps of calling a display power coefficient and a display abnormal coefficient of a touch display screen from a server, respectively comparing the display power coefficient and the display abnormal coefficient with a preset display power coefficient threshold value and a preset display abnormal coefficient threshold value in numerical value, generating a display auxiliary test disqualification signal of the touch display screen if the display power coefficient or the display abnormal coefficient exceeds the corresponding preset threshold value, indicating that the operation performance of the touch display screen is poor, and generating a display auxiliary test qualification signal of the touch display screen if the display power coefficient or the display abnormal coefficient does not exceed the corresponding preset threshold value, indicating that the operation performance of the touch display screen is good, and generating a display auxiliary test qualification signal of the touch display screen if the display power coefficient or the display abnormal coefficient exceeds the corresponding preset threshold value.
The fault early warning terminal receives the abnormal signal of touch performance, displays the abnormal signal of performance or operates and assists and survey the intelligent terminal of the disqualification signal of the management personnel to send corresponding early warning, and produce corresponding early warning information and send it to, the management personnel receives the corresponding early warning information and carries on the reason investigation diagnosis in time, and make corresponding treatment measures, or carry on the comprehensive maintenance to the touch display screen as required, can accurately and comprehensively feed back the fault condition of the touch display screen, realize the self-diagnosis of the fault, the intelligent degree is high, help promoting the life of the touch display screen and guarantee the safe and stable operation of the touch display screen.
In the second embodiment, as shown in fig. 2, the difference between the embodiment and the embodiment 1 is that the server is in communication connection with the display screen power monitoring module, the display screen power monitoring module obtains a voltage curve of the touch display screen in unit time, vertical distance calculation is performed on adjacent peak points and trough points in the voltage curve to obtain voltage wave distance values, average calculation is performed on all the voltage wave distance values in unit time to obtain voltage wave detection values, vertical distance calculation is performed on adjacent peak points and trough points in the current curve to obtain current wave distance values, average calculation is performed on all the current wave distance values in unit time to obtain current wave detection values, and the obtained time that the voltage of the touch display screen in unit time is not in a preset proper voltage range is marked as a voltage untimely detection value, and the time that the current of the touch display screen in unit time is not in a preset proper current range is marked as a current untimely detection value;
The average running power and the consumed electric quantity of the touch display screen in unit time are collected, the ratio of the consumed electric quantity to the average running power is calculated to obtain a display power consumption test value, and the instantaneous power consumption rate with the largest value in unit time is marked as an instantaneous power consumption rate amplitude;
by the formula The method comprises the steps of carrying out normalization calculation on a voltage wave detection value MF, a current wave detection value MP, a voltage non-timely detection value MQ, a current non-timely detection value MH, a display power consumption detection value MG and an instantaneous power consumption speed amplitude MY to obtain a display power coefficient MD, wherein e1, e2, e3, e4, e5 and e6 are preset proportion coefficients, the values of the display power coefficients MD are positive numbers, the larger the values of the display power coefficients MD are, the worse the operation power performance condition of a touch display screen is indicated, the larger the probability of faults is, the display power coefficients are sent to a server for storage, the operation power abnormality degree of the touch display screen can be fed back timely and accurately, data support can be provided for the analysis process of an operation abnormality auxiliary comprehensive detection module, and the accuracy of analysis results is guaranteed.
In the third embodiment, as shown in fig. 2, the difference between the embodiment and the embodiment 1 and the embodiment 2 is that the server is in communication connection with the display screen abnormal monitoring module, the display screen abnormal monitoring module collects real-time temperatures of a plurality of parts on the touch display screen, and calculates the average value of all the real-time temperatures to obtain a display temperature detection value;
the method comprises the steps of acquiring a noise curve and a vibration curve generated by a touch display screen in unit time, acquiring existing noise peak points based on the noise curve, carrying out mean calculation on noise data of all the noise peak points to obtain noise peak detection values, marking the number of the noise peak points as noise peak analysis values, acquiring existing vibration peak points based on the vibration curve, carrying out mean calculation on vibration data of all the vibration peak points to obtain vibration peak detection values, and marking the number of the vibration peak points as vibration peak analysis values, wherein the noise peak points and the vibration peak points are noise peak points and vibration peak points in the noise curve and the vibration curve;
by the formula The display Wen Bo value XZ, the display temperature detection value XD, the noise peak detection value XF, the noise peak analysis value XG, the vibration peak detection value XW and the vibration peak analysis value XQ are subjected to normalization calculation to obtain a display abnormal coefficient XY, wherein a1, a2, a3, a4, a5 and a6 are preset proportional coefficients, the values of a1, a2, a3, a4, a5 and a6 are all larger than zero, the larger the numerical value of the display abnormal coefficient XY is, the worse the operation condition of the touch display screen is indicated, the larger the probability of faults is, the display abnormal coefficient XY is sent to a server to be stored, the operation abnormal degree of the touch display screen can be accurately fed back to ensure the safe and stable operation of the touch display screen, and data support can be provided for the analysis process of the operation abnormal auxiliary comprehensive detection module, so that the accuracy of the analysis result is ensured.
When the operation principle of the invention is used, the touch performance detection and evaluation module is used for detecting and analyzing the touch performance of the touch display screen, judging the touch condition of the touch display screen, generating a touch performance abnormal signal or a touch performance normal signal of the touch display screen according to the touch condition, the display performance detection and evaluation module is used for detecting and analyzing the display performance of the touch display screen, judging the display condition of the touch display screen, generating a display performance abnormal signal or a display performance normal signal of the touch display screen according to the display performance abnormal signal or the display performance normal signal, the operation abnormal auxiliary comprehensive detection module is used for carrying out auxiliary monitoring on the operation abnormal condition of the touch display screen, generating an operation auxiliary detection disqualification signal or an operation auxiliary detection qualification signal of the touch display screen through analysis, realizing automatic diagnosis on the operation fault of the touch display screen, realizing more comprehensive fault diagnosis and analysis, ensuring the safe and stable operation of the touch display screen, and prolonging the service life of the touch display screen.
The above formulas are all formulas with dimensions removed and numerical values calculated, the formulas are formulas with a large amount of data collected for software simulation to obtain the latest real situation, and preset parameters in the formulas are set by those skilled in the art according to the actual situation. The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (4)
1. The touch display screen fault early warning system based on the data analysis of the Internet of things is characterized by comprising a server, a touch performance detection and evaluation module, a display performance detection and evaluation module, an operation abnormality auxiliary comprehensive detection module and a fault early warning end, wherein the touch performance detection and evaluation module detects and analyzes the touch performance of a touch display screen, judges the touch condition of the touch display screen, generates a touch performance abnormal signal or a touch performance normal signal of the touch display screen according to the detection and analysis, and sends the touch performance abnormal signal or the touch performance normal signal to the fault early warning end through the server;
The display performance detection evaluation module detects and analyzes the display performance of the touch display screen, judges the display condition of the touch display screen, generates a display performance abnormal signal or a display performance normal signal of the touch display screen according to the display performance abnormal signal or the display performance normal signal, and sends the display performance abnormal signal or the display performance normal signal to the fault early warning end through the server;
The operation abnormality auxiliary comprehensive detection module is used for carrying out auxiliary monitoring on the operation abnormality of the touch display screen, generating an operation auxiliary detection unqualified signal or an operation auxiliary detection qualified signal of the touch display screen through analysis, and sending the operation auxiliary detection unqualified signal or the operation auxiliary detection qualified signal of the touch display screen to a fault early warning end through a server;
the specific operation process of the display performance detection evaluation module comprises the following steps:
The method comprises the steps of collecting display brightness of each area of a display surface of a touch display screen, carrying out mean value calculation and variance calculation on the display brightness of each area to obtain a display brightness detection value and a display brightness distribution value, carrying out difference calculation on the display brightness detection value and a preset brightness standard value, and taking an absolute value to obtain a display brightness segregation value;
If the brightness segregation value and the brightness distribution value do not exceed the corresponding preset thresholds, acquiring an image on a touch display screen through an image sensor, converting the acquired image into a digital signal, calculating the color deviation of each pixel point, carrying out mean value calculation on the color deviation of all the pixel points to obtain a display color deviation value, and marking the occupation ratio of the pixel points with the color deviation exceeding the preset color deviation threshold as a color high-bias pixel value;
The method comprises the steps of acquiring resolution and contrast of a touch display screen, marking a deviation value of the resolution compared with preset standard resolution data as a resolution bias detection value, marking a deviation value of the contrast compared with preset standard contrast data as a contrast bias detection value, carrying out numerical calculation on a display color bias value, a color high bias pixel value, the resolution bias detection value and the contrast bias detection value to obtain a touch display detection value, and generating a display performance abnormal signal of the touch display screen if the touch display detection value exceeds a preset touch display detection threshold value;
the specific operation process of the operation abnormality auxiliary comprehensive detection module comprises the following steps:
the display power coefficient and the display abnormal coefficient of the touch display screen are called from the server, if the display power coefficient or the display abnormal coefficient exceeds a corresponding preset threshold value, a display auxiliary testing unqualified signal of the touch display screen is generated, and if the display power coefficient and the display abnormal coefficient do not exceed the corresponding preset threshold value, a display auxiliary testing qualified signal of the touch display screen is generated;
The server is in communication connection with the display screen power monitoring module, the display screen power monitoring module acquires a voltage curve of the touch display screen in unit time, vertical distance calculation is carried out on adjacent wave peak points and wave trough points in the voltage curve to obtain voltage wave distance values, average calculation is carried out on all the voltage wave distance values in unit time to obtain voltage wave detection values, and the current wave detection values are obtained in the same way;
the method comprises the steps of acquiring average running power and consumed electric quantity of a touch display screen in unit time, calculating the ratio of the consumed electric quantity to the average running power to obtain a display power consumption check value, marking the instantaneous power consumption rate with the largest value in unit time as an instantaneous power consumption rate amplitude value, carrying out normalization calculation on a voltage wave check value, a current wave check value, a voltage untimely check value, a current untimely check value, a display power consumption check value and the instantaneous power consumption rate amplitude value to obtain a display power coefficient, and sending the display power coefficient to a server for storage;
The server is in communication connection with the display screen abnormal monitoring module, the display screen abnormal monitoring module acquires real-time temperatures of a plurality of parts on the touch display screen, and calculates the average value of all the real-time temperatures to obtain a display temperature detection value;
the method comprises the steps of obtaining a noise curve and a vibration curve generated by a touch display screen in unit time, obtaining existing noise peak points based on the noise curve, carrying out mean value calculation on noise data of all the noise peak points to obtain noise peak detection values, marking the number of the noise peak points as noise peak analysis values, obtaining vibration peak detection values and vibration peak analysis values in a similar way, carrying out normalization calculation on a display Wen Bo value, a display temperature detection value, the noise peak detection values, the noise peak analysis values, the vibration peak detection values and the vibration peak analysis values to obtain display sign coefficients, and sending the display sign coefficients to a server for storage.
2. The touch display screen fault early warning system based on the data analysis of the internet of things according to claim 1, wherein the specific operation process of the touch performance detection and evaluation module comprises:
When the touch control display screen is subjected to touch control operation, acquiring the pressure applied by an operator when the operator touches the touch control display screen, marking the pressure as a touch control detection value, acquiring the contact time between the operator and the touch control display screen, marking the contact time as a touch control detection value, respectively comparing the touch control detection value and the touch control detection value with a preset touch control detection value range and a preset touch control detection value range, marking the corresponding touch control operation as effective operation if the touch control detection value and the touch control detection value are both in the corresponding preset range, acquiring the number of effective operation for the touch control display screen in unit time, marking the number of effective operation for the touch control display screen as a touch control effective value, and marking the ratio of the unresponsive number of the touch control display screen to the touch control effective value in unit time as a touch control failure value;
and when the corresponding effective operation is carried out and the touch display screen responds, acquiring the response reaction time length of the touch display screen, carrying out numerical comparison on the response reaction time length and a preset response time length threshold value, marking the corresponding effective operation as a retarded reaction operation if the response reaction time length exceeds the preset response time length threshold value, marking the ratio of the times of retarded reaction operation in unit time to a touch effective value as a touch slow frequency value, and generating a touch performance abnormal signal of the touch display screen if the touch failure value or the touch slow frequency value exceeds the corresponding preset threshold value.
3. The touch display screen fault early warning system based on the data analysis of the internet of things according to claim 2 is characterized in that if the touch failure value and the touch slow frequency value do not exceed the corresponding preset threshold values, average value calculation is carried out on all response time lengths in unit time to obtain a touch response time analysis value, numerical calculation is carried out on the touch failure value, the touch slow frequency value and the touch response time analysis value to obtain a touch table value, if the touch table value exceeds the preset touch table threshold value, a touch performance abnormal signal of the touch display screen is generated, and if the touch table value does not exceed the preset touch table threshold value, classification grade-by-grade evaluation analysis is carried out.
4. The touch display screen fault early warning system based on the data analysis of the internet of things according to claim 3, wherein the specific analysis process of the grading progressive evaluation analysis is as follows:
Dividing a display surface of a touch display screen into a plurality of display areas, acquiring touch operation times aiming at the display areas in the history operation process of the touch display screen, marking the touch operation times as display area touch frequency values, marking the corresponding display areas as high-frequency display areas if the display area touch frequency values exceed the maximum value of the touch frequency value range of a preset display area, marking the corresponding display areas as medium-frequency display areas if the touch frequency values of the display areas are within the touch frequency value range of the preset display area, and marking the corresponding display areas as low-frequency display areas if the touch frequency values of the display areas do not exceed the minimum value of the touch frequency value range of the preset display area;
acquiring a touch control table value of a corresponding display area in unit time and marking the touch control table value as a display area touch detection value, and if the corresponding display area is a high-frequency display area, allocating a preset display area touch detection threshold value CP1 to the corresponding display area, and if the corresponding display area is a medium-frequency display area, allocating a preset display area touch detection threshold value CP2 to the corresponding display area, and if the corresponding display area is a low-frequency display area, allocating a preset display area touch detection threshold value CP3 to the corresponding display area, wherein the touch control threshold value CP1 is 0< CP2< CP3;
The method comprises the steps of comparing a display area touch detection value with a preset display area touch detection threshold matched with the display area, giving a display judgment symbol XP-1 to the display area if the display area touch detection value exceeds the corresponding preset display area touch detection threshold, giving a display judgment symbol XP-2 to the display area if the display area touch detection value does not exceed the corresponding preset display area touch detection threshold, acquiring the number of display areas corresponding to the display judgment symbol XP-1 in a touch display screen, marking the number of the display areas as an unoperated area detection value, acquiring the number of the display areas corresponding to the display judgment symbol XP-2 in the touch display screen, marking the number of the display areas as an easily-operated area detection value, calculating the ratio of the unoperated area detection value to the easily-operated area detection value to obtain a touch operation value, generating a touch performance abnormal signal of the touch display screen if the touch operation value does not exceed the preset touch operation threshold, and generating a touch performance normal signal of the touch display screen.
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