A touch screen fault warning system based on IoT data analysis

Abstract

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

[0001] The present invention relates to the technical field of touch display screen management and control, and in particular to a touch display screen fault early warning system based on Internet of Things data analysis. Background Art

[0002] A touch screen, also known as a touch screen or touch panel, is an inductive liquid crystal display device that can receive input signals such as contacts. It is mainly a touch screen and can receive external touch signals. By cooperating with a tactile feedback system, it converts external touch signals into corresponding instructions, thereby realizing the control of various devices. It has the advantages of being simple and easy to use, convenient and fast, and saving space.

[0003] At present, during the use of touch screens, it is impossible to effectively monitor the operation of touch screens, and it is difficult to reasonably evaluate the operating status of touch screens and achieve comprehensive analysis and diagnosis of touch screen operating failures. Management personnel cannot conduct targeted inspections and repairs on touch screens in a timely manner, which is not conducive to ensuring the safe and stable operation of touch screens and extending their service life. The level of intelligence is low and management is difficult.

[0004] In view of the above technical defects, a solution is now proposed. Summary of the invention

[0005] The purpose of the present invention is to provide a touch screen fault warning system based on Internet of Things data analysis, which solves the problems that the prior art cannot effectively monitor the operation of the touch screen, is difficult to reasonably evaluate the operating status of the touch screen and realize comprehensive analysis and diagnosis of touch screen operating failures, is not conducive to ensuring the safe and stable operation of the touch screen and improving its service life, and is difficult to manage.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A touch display screen fault warning system based on Internet of Things data analysis includes 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 touch performance detection and evaluation module detects and analyzes the touch performance of the touch display screen, determines the touch status of the touch display screen, and generates a touch performance abnormality signal or a touch performance normal signal of the touch display screen based on the detection and evaluation module, and sends the touch performance abnormality signal or the touch performance normal signal to the fault warning terminal via the server;

[0008] The display performance detection and evaluation module detects and analyzes the display performance of the touch display screen, determines the display status of the touch display screen, and generates a display performance abnormality signal or a display performance normal signal of the touch display screen accordingly, and sends the display performance abnormality signal or the display performance normal signal to the fault warning terminal via the server;

[0009] The operation abnormality auxiliary comprehensive inspection module assists in monitoring the operation abnormality of the touch display screen, and generates an operation auxiliary test failure signal or an operation auxiliary test pass signal of the touch display screen through analysis, and sends the operation auxiliary test failure signal or the operation auxiliary test pass signal of the touch display screen to the fault warning end via the server; when the fault warning end receives the touch performance abnormality signal, the display performance abnormality signal or the operation auxiliary test failure signal, it issues a corresponding warning, and generates the corresponding warning information and sends it to the manager's smart terminal.

[0010] Furthermore, the specific operation process of the touch performance detection and evaluation module includes:

[0011] When performing a touch operation on the touch display screen, the pressure applied by the operator when contacting the touch display screen is collected and marked as a touch pressure detection value, and the contact time between the operator and the touch display screen is collected and marked as a touch time detection value; the touch pressure detection value and the touch time detection value are numerically compared with a preset touch pressure detection value range and a preset touch time detection value range, respectively, and if the touch pressure detection value and the touch time detection value are both within the corresponding preset range, the corresponding touch operation is marked as a valid operation; the number of valid operations on the touch display screen per unit time is obtained and marked as a touch valid value, and the ratio of the number of times the touch display screen does not respond during a valid operation per unit time to the touch valid value is marked as a touch failure value;

[0012] When the corresponding effective operation is performed and the touch display screen responds, the response reaction time of the touch display screen is obtained, and the response reaction time is compared with the preset response reaction time threshold. If the response reaction time exceeds the preset response reaction time threshold, the corresponding effective operation is marked as a slow reaction operation, and the ratio of the number of slow reaction operations per unit time to the touch effective value is marked as the touch slow frequency value; the touch failure value and the touch slow frequency value are numerically compared with the preset touch failure threshold and the preset touch slow frequency threshold respectively. If the touch failure value or the touch slow frequency value exceeds the corresponding preset threshold, a touch performance abnormality signal of the touch display screen is generated.

[0013] Furthermore, if the touch failure value and the touch deceleration value do not exceed the corresponding preset threshold values, the average of all response reaction times per unit time is calculated to obtain the touch response time value, and the touch failure value, the touch deceleration value and the touch response time value are numerically calculated to obtain the touch performance table value; the touch performance table value is numerically compared with the preset touch performance table threshold value, and if the touch performance table value exceeds the preset touch performance table threshold value, a touch performance abnormality signal of the touch display screen is generated; if the touch performance table value does not exceed the preset touch performance table threshold value, a zone-by-zone and grade-by-grade inspection and evaluation analysis is performed.

[0014] Furthermore, the specific analysis process of the categorized and graded inspection and evaluation analysis is as follows:

[0015] The display surface of the touch display screen is divided into a plurality of display areas, the number of touch operations on the display area during the historical operation of the touch display screen is obtained and marked as the display area touch frequency value, the display area touch frequency value is numerically compared with the preset display area touch frequency value range, if the display area touch frequency value exceeds the maximum value of the preset display area touch frequency value range, the corresponding display area is marked as a high-frequency display area; if the display area touch frequency value is within the preset display area touch frequency value range, the corresponding display area is marked as a medium-frequency display area; if the display area touch frequency value does not exceed the minimum value of the preset display area touch frequency value range, the corresponding display area is marked as a low-frequency display area;

[0016] The touch control table value of the corresponding display area in the unit time is obtained and marked as the display area touch detection value. If the corresponding display area is a high-frequency display area, a preset display area touch detection threshold CP1 is allocated thereto; if the corresponding display area is a medium-frequency display area, a preset display area touch detection threshold CP2 is allocated thereto; if the corresponding display area is a low-frequency display area, a preset display area touch detection threshold CP3 is allocated thereto, and 0<CP1<CP2<CP3;

[0017] A display area touch detection value is numerically compared with a preset display area touch detection threshold value that matches the display area. If the display area touch detection value exceeds the corresponding preset display area touch detection threshold value, a display judgment symbol XP-1 is assigned to the display area; if the display area touch detection value does not exceed the corresponding preset display area touch detection threshold value, a display judgment symbol XP-2 is assigned to the display area; the number of display areas corresponding to the display judgment symbol XP-1 in the touch display screen is obtained and marked as a difficult-to-operate area detection value, and the number of display areas corresponding to the display judgment symbol XP-2 in the touch display screen is obtained and marked as an easy-to-operate area detection value, and the difficult-to-operate area detection value is ratio-calculated with the easy-to-operate area detection value to obtain a touch operation measurement value; the touch operation measurement value is numerically compared with the preset touch operation measurement threshold value. If the touch operation measurement value exceeds the preset touch operation measurement threshold value, a touch performance abnormality signal of the touch display screen is generated; if the touch operation measurement value does not exceed the preset touch operation measurement threshold value, a touch performance normal signal of the touch display screen is generated.

[0018] Furthermore, the specific operation process of the display performance detection and evaluation module includes:

[0019] The display brightness of each area of ​​the display surface of the touch display screen is collected, and the display brightness of each area is calculated by mean and variance to obtain a brightness detection value and a brightness distribution value. The brightness detection value is calculated by difference with the preset brightness standard value and the absolute value is taken to obtain a brightness segregation value; the brightness segregation value and the brightness distribution value are numerically compared with the preset brightness segregation threshold and the preset brightness distribution threshold respectively. If the brightness segregation value or the brightness distribution value exceeds the corresponding preset threshold, a display performance abnormality signal of the touch display screen is generated.

[0020] Furthermore, if the brightness segregation value and the brightness distribution value do not exceed the corresponding preset threshold value, an image on the touch screen is collected by an image sensor, and the collected image is converted into a digital signal, the digital signal includes the color information of each pixel, the color deviation of each pixel is calculated, and the color deviation of all pixels is averaged to obtain a display color deviation value, and the proportion of pixels whose color deviation exceeds the preset color deviation threshold value is marked as a high color deviation pixel value;

[0021] The resolution and contrast of the touch display screen are collected, and the deviation value of the resolution compared with the preset standard resolution data is marked as the resolution deviation detection value, and the deviation value of the contrast compared with the preset standard contrast data is marked as the contrast deviation detection value; the display color deviation value, the color high deviation pixel value, the resolution deviation detection value and the contrast deviation detection value are numerically calculated to obtain the touch display detection value, and the touch display detection value is numerically compared with the preset touch display detection threshold. If the touch display detection value exceeds the preset touch display detection threshold, a display performance abnormality signal of the touch display screen is generated; if the touch display detection value does not exceed the preset touch display detection threshold, a display performance normal signal of the touch display screen is generated.

[0022] Furthermore, the specific operation process of the abnormal auxiliary comprehensive inspection module includes:

[0023] The display power coefficient and display abnormality coefficient of the touch display screen are retrieved from the server, and the display power coefficient and the display abnormality coefficient are numerically compared with the preset display power coefficient threshold and the preset display abnormality coefficient threshold respectively; if the display power coefficient or the display abnormality coefficient exceeds the corresponding preset threshold, a display auxiliary test failure signal of the touch display screen is generated; if both the display power coefficient and the display abnormality coefficient do not exceed the corresponding preset threshold, a display auxiliary test pass signal of the touch display screen is generated.

[0024] Furthermore, the server is connected in communication with the display screen power monitoring module, and the display screen power monitoring module obtains the voltage curve of the touch screen within a unit time, calculates the vertical distance between adjacent peak points and trough points in the voltage curve to obtain the voltage wave distance value, and calculates the average of all voltage wave distance values ​​within a unit time to obtain the voltage wave detection value, and similarly obtains the current wave detection value; and obtains the duration during which the voltage of the touch screen within a unit time is not within a preset suitable voltage range and marks it as a voltage non-timely detection value, and similarly obtains the current non-timely detection value;

[0025] The average operating power and power consumed by the touch display screen per unit time are collected, the power consumed and the average operating power are ratio-calculated to obtain a display power consumption test value, and the instantaneous power consumption rate with the largest value per unit time is marked as the instantaneous power consumption rate amplitude; the voltage wave test value, the current wave test value, the voltage non-timely test value, the current non-timely test value, the display power consumption test value and the instantaneous power consumption rate amplitude are normalized and calculated to obtain a display power coefficient, and the display power coefficient is sent to the server for storage.

[0026] Furthermore, the server is connected in communication with the display screen abnormality monitoring module, and the display screen abnormality monitoring module collects the real-time temperatures of several parts on the touch screen, and averages all the real-time temperatures to obtain the display temperature detection value; the display temperature detection value with the largest value and the display temperature detection value with the smallest value of the touch screen within a unit time are calculated by difference to obtain the display temperature wave value, and the display temperature detection value of all the touch screen within a unit time is averaged to obtain the display temperature detection value;

[0027] And obtain the noise curve and vibration curve generated by the touch display screen in unit time, obtain the existing noise peak point based on the noise curve, calculate the average of the noise data of all noise peak points to obtain the noise peak detection value, mark the number of noise peak points as the noise peak analysis value, and similarly obtain the vibration peak detection value and vibration peak analysis value; normalize the display temperature wave value, display temperature detection value, noise peak detection value, noise peak analysis value, vibration peak detection value and vibration peak analysis value to obtain the display eigenvalue, and send the display eigenvalue to the server for storage.

[0028] Compared with the prior art, the present invention has the following beneficial effects:

[0029] 1. In the present invention, the touch performance of the touch display screen is detected and analyzed by the touch performance detection and evaluation module, and a touch performance abnormality signal or a touch performance normal signal of the touch display screen is generated accordingly; the display performance detection and evaluation module detects and analyzes the display performance of the touch display screen, and a display performance abnormality signal or a display performance normal signal of the touch display screen is generated accordingly; the operation abnormality auxiliary comprehensive inspection module performs auxiliary monitoring on the operation abnormality of the touch display screen, and an operation auxiliary test unqualified signal or an operation auxiliary test qualified signal of the touch display screen is generated accordingly, so as to realize automatic diagnosis of operation faults of the touch display screen, make fault diagnosis analysis more comprehensive, and make fault diagnosis results more accurate, so as to effectively ensure the safe and stable operation of the touch display screen and prolong the service life of the touch display screen;

[0030] 2. In the present invention, the power performance of the touch screen during operation is evaluated by the display screen power monitoring module, and the display power coefficient of the touch screen is obtained and stored. Not only can the abnormal degree of the operating power of the touch screen be fed back in a timely and accurate manner, but also data support can be provided for the analysis process of the operation abnormality auxiliary comprehensive inspection module to ensure the accuracy of its analysis results. Moreover, the operation abnormality of the touch screen is detected by the display screen anomaly monitoring module, and the display anomaly coefficient of the touch screen is obtained and stored. Not only can the abnormal degree of the operation of the touch screen be fed back accurately to ensure its safe and stable operation, but also data support can be provided for the analysis process of the operation abnormality auxiliary comprehensive inspection module to further ensure the accuracy of its analysis results and realize effective monitoring of the operation process of the touch screen. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings;

[0032] Figure 1 This is a system block diagram of Embodiment 1 of the present invention;

[0033] Figure 2 This is a system block diagram of Embodiment 2 and Embodiment 3 of the present invention. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0035] Embodiment 1: Figure 1 As shown, a touch display screen fault warning system based on Internet of Things data analysis proposed by the present invention includes 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, and the server is connected to the touch performance detection and evaluation module, the display performance detection and evaluation module, the operation abnormality auxiliary comprehensive inspection module and the fault warning terminal through the Internet of Things;

[0036] Among them, the touch performance detection and evaluation module detects and analyzes the touch performance of the touch display screen, determines the touch status of the touch display screen, and generates a touch performance abnormality signal or a touch performance normal signal of the touch display screen based on this, and sends the touch performance abnormality signal or the touch performance normal signal to the fault warning end through the server, which can reasonably evaluate and accurately feedback the touch performance status of the touch display screen, realize the fault diagnosis of the touch performance of the touch display screen, and timely inspect and repair the corresponding components of the touch display screen when the touch performance is abnormal, so as to help ensure the use effect of the touch display screen; the specific operation process of the touch performance detection and evaluation module is as follows:

[0037] When performing a touch operation on the touch display screen, the pressure applied by the operator when contacting the touch display screen is collected and marked as a touch pressure detection value, and the contact time between the operator and the touch display screen is collected and marked as a touch time detection value; the touch pressure detection value and the touch time detection value are numerically compared with a preset touch pressure detection value range and a preset touch time detection value range, respectively, and if the touch pressure detection value and the touch time detection value are both within the corresponding preset range, the corresponding touch operation is marked as a valid operation; the number of valid operations on the touch display screen per unit time is obtained and marked as a touch valid value, and the ratio of the number of times the touch display screen does not respond during a valid operation per unit time to the touch valid value is marked as a touch failure value;

[0038] When a corresponding valid operation is performed and the touch display screen responds, the response reaction time of the touch display screen is obtained, and the response reaction time is compared with a preset response reaction time threshold. If the response reaction time exceeds the preset response reaction time threshold, the corresponding valid operation is marked as a slow reaction operation, and the ratio of the number of slow reaction operations per unit time to the touch effective value is marked as a touch slow frequency value; the touch failure value and the touch slow frequency value are numerically compared with the preset touch failure threshold and the preset touch slow frequency threshold respectively. If the touch failure value or the touch slow frequency value exceeds the corresponding preset threshold, indicating that the touch performance is not good, a touch performance abnormality signal of the touch display screen is generated;

[0039] If the touch failure value and the touch deceleration value do not exceed the corresponding preset threshold, the touch response time is calculated by averaging all the response times per unit time, and the touch response time is calculated by the formula The touch failure value CR, the touch frequency slow value CW and the touch response time analysis value CF are numerically calculated to obtain the touch performance table value CX; wherein, et1, et2 and et3 are preset proportional coefficients, and et1>et2>et3>0.36; and the larger the value of the touch performance table value CX is, the worse the touch performance of the touch display screen is within a unit time; the touch performance table value CX is numerically compared with the preset touch performance table threshold value, and if the touch performance table value CX exceeds the preset touch performance table threshold value, it indicates that the touch performance of the touch display screen is poor within a unit time, and a touch performance abnormality signal of the touch display screen is generated;

[0040] If the touchability table value CX does not exceed the preset touchability table threshold, a division and graded inspection and evaluation analysis is performed, specifically: the display surface of the touch display screen is divided into several display areas, the number of touch operations for the corresponding display area during the historical operation of the touch display screen is obtained and marked as the display area touch frequency value, the display area touch frequency value is numerically compared with the preset display area touch frequency value range, if the display area touch frequency value exceeds the maximum value of the preset display area touch frequency value range, the corresponding display area is marked as a high-frequency display area; if the display area touch frequency value is within the preset display area touch frequency value range, the corresponding display area is marked as a medium-frequency display area; if the display area touch frequency value does not exceed the minimum value of the preset display area touch frequency value range, the corresponding display area is marked as a low-frequency display area;

[0041] The touch property table value of the corresponding display area in the unit time is obtained and marked as the display area touch detection value. If the corresponding display area is a high-frequency display area, a preset display area touch detection threshold CP1 is allocated thereto; if the corresponding display area is a medium-frequency display area, a preset display area touch detection threshold CP2 is allocated thereto; if the corresponding display area is a low-frequency display area, a preset display area touch detection threshold CP3 is allocated thereto, and 0<CP1<CP2<CP3; by allocating preset display area touch detection thresholds suitable for display areas of different levels to them, the accuracy of the touch analysis results of each display area can be effectively improved;

[0042] Compare the display area touch detection value with the preset display area touch detection threshold value matched with the display area. If the display area touch detection value exceeds the corresponding preset display area touch detection threshold value, indicating that the touch performance of the corresponding display area is poor, then the display area is assigned a display judgment symbol XP-1; if the display area touch detection value does not exceed the corresponding preset display area touch detection threshold value, indicating that the touch performance of the corresponding display area is good, then the display area is assigned a display judgment symbol XP-2;

[0043] The number of display areas corresponding to the display judgment symbol XP-1 in the touch display screen is obtained and marked as the difficult-to-operate area detection value, and the number of display areas corresponding to the display judgment symbol XP-2 in the touch display screen is obtained and marked as the easy-to-operate area detection value, and the difficult-to-operate area detection value is ratio-calculated with the easy-to-operate area detection value to obtain a touch control measurement value; wherein, the larger the value of the touch control measurement value is, the worse the touch performance of the touch display screen is as a whole; the touch control measurement value is numerically compared with the preset touch control measurement threshold value, if the touch control measurement value exceeds the preset touch control measurement threshold value, indicating that the touch performance of the touch display screen is as a whole poor, then a touch performance abnormality signal of the touch display screen is generated; if the touch control measurement value does not exceed the preset touch control measurement threshold value, indicating that the touch performance of the touch display screen is as a whole good, then a touch performance normal signal of the touch display screen is generated.

[0044] The display performance detection and evaluation module detects and analyzes the display performance of the touch screen, determines the display status of the touch screen, and generates a display performance abnormality signal or a display performance normal signal of the touch screen based on this, and sends the display performance abnormality signal or the display performance normal signal to the fault warning end through the server, which can reasonably evaluate and accurately feedback the display performance status of the touch screen, realize the fault diagnosis of the display performance of the touch screen, and when the display performance is abnormal, the management personnel will promptly inspect and repair the relevant components of the touch screen, which is helpful to ensure the safe and stable operation of the touch screen; the specific operation process of the display performance detection and evaluation module is as follows:

[0045] The display brightness of each area of ​​the display surface of the touch display screen is collected, and the display brightness of each area is calculated by mean and variance to obtain a brightness detection value and a brightness distribution value, wherein the larger the value of the brightness distribution value is, the more uneven the display brightness of each area on the touch display screen is; the brightness detection value is calculated by difference with the preset brightness standard value and the absolute value is taken to obtain a brightness segregation value, wherein the larger the value of the brightness segregation value is, the greater the degree of deviation of the display brightness of the touch display screen is in general; the brightness segregation value and the brightness distribution value are numerically compared with the preset brightness segregation threshold value and the preset brightness distribution threshold value respectively, if the brightness segregation value or the brightness distribution value exceeds the corresponding preset threshold value, it indicates that the display brightness performance of the touch display screen is poor, and then a display performance abnormality signal of the touch display screen is generated;

[0046] If the brightness segregation value and the brightness distribution value do not exceed the corresponding preset thresholds, an image on the touch display screen is collected by an image sensor, and the collected image is converted into a digital signal, the digital signal includes the color information of each pixel, the color deviation of each pixel is calculated, and the color deviations of all pixels are averaged to obtain a display color deviation value, and the proportion of pixels whose color deviations exceed the preset color deviation threshold is marked as a high-color deviation pixel value; and the resolution and contrast of the touch display screen are collected, and the deviation value of the resolution compared to the preset standard resolution data is marked as a resolution deviation detection value, and the deviation value of the contrast compared to the preset standard contrast data is marked as a contrast deviation detection value;

[0047] By formula The display color deviation value FR, the color high deviation pixel value FK, the resolution deviation detection value FP and the contrast deviation detection value FD are numerically calculated to obtain the touch display detection value FX, wherein wq1, wq2, wq3 and wq4 are preset proportional coefficients, wq2>wq1>wq3>wq4>0; and, the larger the value of the touch display detection value FX is, the worse the display performance of the touch display screen is; the touch display detection value FX is numerically compared with the preset touch display detection threshold value, if the touch display detection value FX exceeds the preset touch display detection threshold value, indicating that the display performance of the touch display screen is poor, then a display performance abnormality signal of the touch display screen is generated; if the touch display detection value FX does not exceed the preset touch display detection threshold value, indicating that the display performance of the touch display screen is good, then a display performance normal signal of the touch display screen is generated.

[0048] The operation abnormality auxiliary comprehensive inspection module performs auxiliary monitoring on the operation abnormality of the touch screen, and generates the operation auxiliary test unqualified signal or the operation auxiliary test qualified signal of the touch screen through analysis, and sends the operation auxiliary test unqualified signal or the operation auxiliary test qualified signal of the touch screen to the fault warning terminal through the server, which can perform auxiliary detection and analysis on the operation fault of the touch screen, make the fault diagnosis analysis more comprehensive, and make the fault diagnosis result more accurate, further ensuring the safe and stable operation of the touch screen; the specific operation process of the operation abnormality auxiliary comprehensive inspection module is as follows:

[0049] The display power coefficient and display abnormal coefficient of the touch display screen are retrieved from the server, and the display power coefficient and the display abnormal coefficient are numerically compared with the preset display power coefficient threshold and the preset display abnormal coefficient threshold respectively; if the display power coefficient or the display abnormal coefficient exceeds the corresponding preset threshold, it indicates that the operation performance of the touch display screen is poor and the probability of the corresponding operation failure is high, then a display auxiliary test failure signal of the touch display screen is generated; if the display power coefficient and the display abnormal coefficient do not exceed the corresponding preset threshold, it indicates that the operation performance of the touch display screen is good and the probability of the corresponding operation failure is low, then a display auxiliary test qualified signal of the touch display screen is generated.

[0050] When the fault warning terminal receives a touch performance abnormality signal, a display performance abnormality signal or an auxiliary operation test failure signal, it issues a corresponding warning, generates corresponding warning information and sends it to the manager's smart terminal. When the manager receives the corresponding warning information, he / she promptly conducts cause investigation and diagnosis, and takes corresponding treatment measures, or performs comprehensive inspection and maintenance of the touch screen as needed. It can accurately and comprehensively feedback the fault condition of the touch screen, realize fault self-diagnosis, has a high degree of intelligence, helps to increase the service life of the touch screen and ensure the safe and stable operation of the touch screen.

[0051] Embodiment 2: Figure 2 As shown, the difference between this embodiment and embodiment 1 is that the server is connected to the display screen power monitoring module for communication, the display screen power monitoring module obtains the voltage curve of the touch screen within a unit time, calculates the vertical distance between adjacent peak points and trough points in the voltage curve to obtain a voltage wave distance value, calculates the average of all voltage wave distance values ​​within a unit time to obtain a voltage wave detection value, calculates the vertical distance between adjacent peak points and trough points in the current curve to obtain a current wave distance value, calculates the average of all current wave distance values ​​within a unit time to obtain a current wave detection value; and obtains the duration during which the voltage of the touch screen is not within a preset suitable voltage range within a unit time and marks it as a voltage non-timely detection value, and obtains the duration during which the current of the touch screen is not within a preset suitable current range within a unit time and marks it as a current non-timely detection value;

[0052] The average operating power and power consumed by the touch screen per unit time are collected, the power consumed is calculated by ratio to the average operating power to obtain a display power consumption test value, and the instantaneous power consumption rate with the largest value per unit time is marked as the instantaneous power consumption rate amplitude;

[0053] By formula The voltage wave detection value MF, the current wave detection value MP, the voltage untimely detection value MQ, the current untimely detection value MH, the display power consumption detection value MG and the instantaneous power consumption speed amplitude MY are normalized and calculated to obtain the display power coefficient MD, wherein e1, e2, e3, e4, e5, and e6 are preset proportional coefficients, and e1, e2, e3, e4, e5, and e6 are all positive numbers; and the larger the value of the display power coefficient MD is, the worse the operating power performance of the touch display screen is, and the greater the probability of a fault is; and the display power coefficient is sent to the server for storage, which can not only timely and accurately feedback the abnormal degree of the operating power of the touch display screen, but also provide data support for the analysis process of the operation abnormality auxiliary comprehensive inspection module to ensure the accuracy of its analysis results.

[0054] Embodiment 3: Figure 2As shown, the difference between this embodiment and embodiment 1 and embodiment 2 is that the server is connected to the display screen abnormality monitoring module for communication, the display screen abnormality monitoring module collects the real-time temperatures of several parts on the touch screen, and averages all the real-time temperatures to obtain the display temperature detection value; the display temperature detection value with the largest value and the display temperature detection value with the smallest value of the touch screen within a unit time are calculated by difference to obtain the display temperature wave value, and all the display temperature detection values ​​of the touch screen within a unit time are averaged to obtain the display temperature detection value;

[0055] And obtain the noise curve and vibration curve generated by the touch display screen in unit time, obtain the existing noise peak point based on the noise curve, calculate the average of the noise data of all noise peak points to obtain the noise peak detection value, mark the number of noise peak points as the noise peak analysis value, obtain the existing vibration peak point based on the vibration curve, calculate the average of the vibration data of all vibration peak points to obtain the vibration peak detection value, and mark the number of vibration peak points as the vibration peak analysis value; wherein the noise peak point and the vibration peak point represent the noise peak point and the vibration peak point in the noise curve and the vibration curve;

[0056] By formula The display temperature wave 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 normalized and calculated to obtain the display characteristic coefficient XY, wherein a1, a2, a3, a4, a5, a6 are preset proportional coefficients, and the values ​​of a1, a2, a3, a4, a5, a6 are all greater than zero; and the larger the value of the display characteristic coefficient XY is, the worse the operating condition of the touch display screen is, and the greater the probability of a fault is; and the display characteristic coefficient XY is sent to the server for storage, which can not only accurately feedback the degree of operating abnormality of the touch display screen to ensure its safe and stable operation, but also provide data support for the analysis process of the operating abnormality auxiliary comprehensive inspection module to ensure the accuracy of its analysis results.

[0057] The working principle of the present invention is as follows: when in use, the touch performance of the touch display screen is detected and analyzed by the touch performance detection and evaluation module, the touch status of the touch display screen is judged, and a touch performance abnormality signal or a touch performance normal signal of the touch display screen is generated accordingly; the display performance detection and evaluation module detects and analyzes the display performance of the touch display screen, the display status of the touch display screen is judged, and a display performance abnormality signal or a display performance normal signal of the touch display screen is generated accordingly; 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 of the touch display screen through analysis, thereby realizing automatic diagnosis of operation faults of the touch display screen, making fault diagnosis analysis more comprehensive, and fault diagnosis results more accurate, thereby effectively ensuring the safe and stable operation of the touch display screen and improving the service life of the touch display screen.

[0058] The above formulas are all dimensionless and numerical calculations. The formula is a formula obtained by collecting a large amount of data and performing software simulation to obtain the most recent real situation. The preset parameters in the formula are set by technicians in this field according to actual conditions. The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the contents of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that technicians in the relevant technical field can understand and use the present invention well. The present invention is only limited by the claims and their full scope and equivalents.

Claims

1. A touch screen fault warning system based on Internet of Things data analysis, characterized in that: It includes 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 touch performance detection and evaluation module detects and analyzes the touch performance of the touch display screen, determines the touch status of the touch display screen, and generates a touch performance abnormality signal or a touch performance normal signal of the touch display screen accordingly, and sends the touch performance abnormality signal or the touch performance normal signal to the fault warning terminal via the server; The display performance detection and evaluation module detects and analyzes the display performance of the touch display screen, determines the display status of the touch display screen, and generates a display performance abnormality signal or a display performance normal signal of the touch display screen accordingly, and sends the display performance abnormality signal or the display performance normal signal to the fault warning terminal via the server; The operation abnormality auxiliary comprehensive inspection module performs auxiliary monitoring on the operation abnormality of the touch screen, and generates an operation auxiliary test failure signal or an operation auxiliary test pass signal of the touch screen through analysis, and sends the operation auxiliary test failure signal or the operation auxiliary test pass signal of the touch screen to the fault warning terminal via the server; When the fault warning terminal receives a touch performance abnormality signal, a display performance abnormality signal, or a running auxiliary test failure signal, it issues a corresponding warning, generates corresponding warning information, and sends it to the manager's smart terminal; The specific operation process of the display performance detection and evaluation module includes: The display brightness of each area of ​​the display surface of the touch display screen is collected, and the display brightness of each area is calculated by mean and variance to obtain a brightness detection value and a brightness distribution value, and the brightness detection value is calculated by difference with the preset brightness standard value and the absolute value is taken to obtain a brightness segregation value; if the brightness segregation value or the brightness distribution value exceeds the corresponding preset threshold value, a display performance abnormality signal of the touch display screen is generated; If the brightness segregation value and the brightness distribution value do not exceed the corresponding preset threshold value, the image on the touch screen is collected by the image sensor, and the collected image is converted into a digital signal, the digital signal contains the color information of each pixel, the color deviation of each pixel is calculated, and the color deviation of all pixels is averaged to obtain the display color deviation value, and the proportion of pixels whose color deviation exceeds the preset color deviation threshold is marked as a high color deviation pixel value; and collecting the resolution and contrast of the touch display screen, marking the deviation value of the resolution compared with the preset standard resolution data as the resolution deviation detection value, and marking the deviation value of the contrast compared with the preset standard contrast data as the contrast deviation detection value; performing numerical calculations on the display color deviation value, the color high deviation pixel value, the resolution deviation detection value and the contrast deviation detection value to obtain the touch display detection value, and if the touch display detection value exceeds the preset touch display detection threshold, generating a display performance abnormality signal of the touch display screen; if the touch display detection value does not exceed the preset touch display detection threshold, generating a display performance normal signal of the touch display screen; The specific operation process of the abnormal auxiliary comprehensive inspection module includes: Retrieving the display power coefficient and display abnormality coefficient of the touch display screen from the server, and if the display power coefficient or the display abnormality coefficient exceeds the corresponding preset threshold, generating a display auxiliary test unqualified signal of the touch display screen; if both the display power coefficient and the display abnormality coefficient do not exceed the corresponding preset threshold, generating a display auxiliary test qualified signal of the touch display screen; The server is connected to the display screen power monitoring module for communication. The display screen power monitoring module obtains the voltage curve of the touch screen within a unit time, calculates the vertical distance between adjacent peak points and trough points in the voltage curve to obtain the voltage wave distance value, calculates the average of all voltage wave distance values ​​within a unit time to obtain the voltage wave detection value, and similarly obtains the current wave detection value; and obtains the duration during which the voltage of the touch screen within a unit time is not within the preset appropriate voltage range and marks it as a voltage non-timely detection value, and similarly obtains the current non-timely detection value; The average operating power and power consumed by the touch screen in unit time are collected, the power consumed is calculated as a ratio of the average operating power to obtain a display power consumption test value, and the instantaneous power consumption rate with the largest value in unit time is marked as the instantaneous power consumption rate amplitude; the voltage wave test value, the current wave test value, the voltage non-timely test value, the current non-timely test value, the display power consumption test value and the instantaneous power consumption rate amplitude are normalized and calculated to obtain a display power coefficient, and the display power coefficient is sent to the server for storage; The server is connected to the display screen abnormality monitoring module for communication. The display screen abnormality monitoring module collects the real-time temperatures of several parts on the touch screen, calculates the average of all real-time temperatures to obtain a display temperature detection value; calculates the difference between the display temperature detection value with the largest value and the display temperature detection value with the smallest value of the touch screen within a unit time to obtain a display temperature wave value; calculates the average of all display temperature detection values ​​of the touch screen within a unit time to obtain a display temperature detection value; And obtain the noise curve and vibration curve generated by the touch display screen in unit time, obtain the existing noise peak point based on the noise curve, calculate the average of the noise data of all noise peak points to obtain the noise peak detection value, mark the number of noise peak points as the noise peak analysis value, and similarly obtain the vibration peak detection value and vibration peak analysis value; normalize the display temperature wave value, display temperature detection value, noise peak detection value, noise peak analysis value, vibration peak detection value and vibration peak analysis value to obtain the display eigenvalue, and send the display eigenvalue to the server for storage.

2. According to claim 1, a touch screen fault warning system based on Internet of Things data analysis is characterized in that: The specific operation process of the touch performance detection and evaluation module includes: When performing a touch operation on the touch display screen, the pressure applied by the operator when contacting the touch display screen is collected and marked as a touch pressure detection value, and the contact time between the operator and the touch display screen is collected and marked as a touch time detection value; the touch pressure detection value and the touch time detection value are numerically compared with a preset touch pressure detection value range and a preset touch time detection value range, respectively, and if the touch pressure detection value and the touch time detection value are both within the corresponding preset range, the corresponding touch operation is marked as a valid operation; the number of valid operations on the touch display screen per unit time is obtained and marked as a touch valid value, and the ratio of the number of times the touch display screen does not respond during a valid operation per unit time to the touch valid value is marked as a touch failure value; When a corresponding effective operation is performed and the touch display screen responds, the response reaction time of the touch display screen is obtained, and the response reaction time is compared with a preset response reaction time threshold; if the response reaction time exceeds the preset response reaction time threshold, the corresponding effective operation is marked as a slow reaction operation, and the ratio of the number of slow reaction operations per unit time to the touch effective value is marked as a touch slow frequency value; if the touch failure value or the touch slow frequency value exceeds the corresponding preset threshold, a touch performance abnormality signal of the touch display screen is generated.

3. A touch screen fault warning system based on Internet of Things data analysis according to claim 2, characterized in that: If the touch failure value and the touch deceleration value do not exceed the corresponding preset threshold value, all response reaction times within the unit time are averaged to obtain the touch response time analysis value, and the touch failure value, the touch deceleration value and the touch response time analysis value are numerically calculated to obtain the touch property table value; If the touch performance table value exceeds the preset touch performance table threshold, a touch performance abnormality signal of the touch display screen is generated; If the touchability table value does not exceed the preset touchability table threshold, a zone-by-zone and grade-by-grade evaluation analysis is performed.

4. The touch screen fault warning system based on Internet of Things data analysis according to claim 3 is characterized in that: The specific analysis process of categorizing and grading each inspection and evaluation analysis is as follows: The display surface of the touch display screen is divided into a plurality of display areas, the number of touch operations on the display area during the historical operation of the touch display screen is obtained and marked as the display area touch frequency value, if the display area touch frequency value exceeds the maximum value of the preset display area touch frequency value range, the corresponding display area is marked as the high-frequency display area; if the display area touch frequency value is within the preset display area touch frequency value range, the corresponding display area is marked as the medium-frequency display area; if the display area touch frequency value does not exceed the minimum value of the preset display area touch frequency value range, the corresponding display area is marked as the low-frequency display area; The touch control table value of the corresponding display area in the unit time is obtained and marked as the display area touch detection value. If the corresponding display area is a high-frequency display area, a preset display area touch detection threshold CP1 is allocated thereto; if the corresponding display area is a medium-frequency display area, a preset display area touch detection threshold CP2 is allocated thereto; if the corresponding display area is a low-frequency display area, a preset display area touch detection threshold CP3 is allocated thereto, and 0<CP1<CP2<CP3; The display area touch detection value is numerically compared with the preset display area touch detection threshold matched with the display area. If the display area touch detection value exceeds the corresponding preset display area touch detection threshold, the display area is assigned a display judgment symbol XP-1; if the display area touch detection value does not exceed the corresponding preset display area touch detection threshold, the display area is assigned a display judgment symbol XP-2; the number of display areas corresponding to the display judgment symbol XP-1 in the touch display screen is obtained and marked as the difficult-to-operate area detection value, and the number of display areas corresponding to the display judgment symbol XP-2 in the touch display screen is obtained and marked as the easy-to-operate area detection value, and the difficult-to-operate area detection value is ratio-calculated with the easy-to-operate area detection value to obtain a touch operation measurement value; if the touch operation measurement value exceeds the preset touch operation measurement threshold, a touch performance abnormality signal of the touch display screen is generated; if the touch operation measurement value does not exceed the preset touch operation measurement threshold, a touch performance normal signal of the touch display screen is generated.

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