CN117891709B - Touch performance detection and evaluation method and system for touch display screen - Google Patents
Touch performance detection and evaluation method and system for touch display screen Download PDFInfo
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Abstract
The invention discloses a touch performance detection evaluation method and a system for a touch display screen, which relate to the technical field of touch screen performance detection and comprise the following steps: acquiring comprehensive reference parameters of at least one touch display screen standard component; acquiring comprehensive sampling parameters of at least one touch display screen following machine member; performing a high-low temperature simulation test, a collision simulation test and a spray simulation test on at least one touch display screen random piece; calculating to obtain the deviation degree of the sampling parameters of the touch display screen along with the machine parts; calculating to obtain the deviation degree of the touch display screen along with the test parameters of the machine parts; calculating to obtain the comprehensive deviation degree of the random piece of the touch display screen; forming an evaluation grade; calculating to obtain the actual comprehensive deviation of the to-be-detected piece of the touch display screen; and obtaining an evaluation result of the to-be-tested piece of the touch display screen. By arranging the test module, the calculation module, the evaluation forming module and the judgment pair module, the evaluation result integrates various parameters, and the evaluation result is more comprehensive.
Description
Technical Field
The invention relates to the technical field of touch screen performance detection, in particular to a touch performance detection evaluation method and system of a touch display screen.
Background
The touch screen is used as an input device, has the advantages of being easy to use, firm and durable, high in reaction speed, space-saving and the like, and can be directly operated through the touch screen when being used by a user, a keyboard or a mouse is not needed, and the touch screen is high in practicability and wide in application.
With the continuous development of technology, the demand of touch screens is higher and higher, however, the quality of touch screen products is uneven due to various touch screen products existing in the market. Therefore, in order to ensure the quality and performance of the touch screen product, it is necessary to detect and test the production quality of the touch screen.
However, the detection of the touch screen involves multiple parameters, and the prior art is difficult to integrate the data of the multiple parameters to obtain a comprehensive performance evaluation result of the touch screen.
Disclosure of Invention
In order to solve the technical problems, the technical scheme provides a touch performance detection evaluation method and system for a touch display screen, and solves the problems that the touch screen detection proposed in the background technology relates to various parameters, the prior art is difficult to integrate data of the various parameters, and a comprehensive performance evaluation result of the touch screen is obtained.
In order to achieve the above purpose, the invention adopts the following technical scheme:
A touch performance detection and evaluation method of a touch display screen comprises the following steps:
acquiring comprehensive reference parameters of at least one touch display screen standard component;
the step of obtaining the comprehensive reference parameters of at least one touch display screen standard component comprises the following steps:
After at least one single touch display screen standard component is obtained, the time for the touch display screen standard component to react is averaged, and the sensitivity reaction reference time is obtained;
Repeatedly touching preset points of the touch display screen standard components, wherein the repeated touching times are preset times, and single-point standard reaction time of at least one touch display screen standard component is obtained;
Obtaining the maximum value and the minimum value of at least one single-point standard reaction time, taking the difference between the maximum value and the minimum value of the at least one single-point standard reaction time and taking the absolute value to obtain single-point differential reaction reference time;
acquiring at least one touch gesture and a touch response corresponding to the touch gesture;
testing the touch display screen standard component by using the touch gesture to obtain an actual standard touch response of the touch display screen standard component;
Judging whether the actual standard touch reaction is consistent with the corresponding touch reaction, if so, taking the actual standard touch reaction as a correct touch reaction, and if not, not performing any treatment;
Counting the number of actual standard touch reactions and the number of at least one touch gesture serving as correct touch reactions, and taking the ratio of the number of the actual standard touch reactions and the number of the at least one touch gesture serving as the correct touch reactions as the reference accuracy of the touch reactions;
The comprehensive reference parameters are sensitivity reaction reference time, single-point difference reaction reference time and touch reaction reference accuracy respectively;
Acquiring comprehensive sampling parameters of at least one touch display screen following machine member;
the method for acquiring the comprehensive sampling parameters of the at least one touch display screen following machine member comprises the following steps:
After at least one random piece of the touch display screen is touched for a single time, the time for the random piece of the touch display screen to react is obtained, and the average value of the reaction time is carried out to obtain the sensitivity reaction sampling time;
Repeatedly touching the preset point position of the touch display screen following machine member, wherein the repeated touching times are preset times, and the single-point random reaction time of at least one touch display screen following machine member is obtained;
Obtaining the maximum value and the minimum value of at least one single-point random reaction time, taking the difference between the maximum value and the minimum value of the at least one single-point random reaction time and taking the absolute value to obtain the single-point differential reaction sampling time;
acquiring at least one touch gesture and a touch response corresponding to the touch gesture;
testing the random piece of the touch display screen by using the touch gesture to obtain the actual random touch reaction of the touch display screen along with the machine piece;
judging whether the actual random touch reaction is consistent with the corresponding touch reaction, if so, taking the actual random touch reaction as a correct touch reaction, and if not, performing no processing;
Counting the number of actual random touch reactions and the number of at least one touch gesture serving as correct touch reactions, and taking the ratio of the number of the actual random touch reactions and the number of the at least one touch gesture serving as the correct touch reactions as the touch reaction sampling accuracy;
The comprehensive sampling parameters are sensitivity reaction sampling time, single-point difference reaction sampling time and touch reaction sampling accuracy respectively;
performing a high-low temperature simulation test, a collision simulation test and a spray simulation test on at least one touch display screen random piece;
after the simulation test, acquiring comprehensive test parameters of at least one touch display screen following machine member;
the method for acquiring the comprehensive test parameters of the at least one touch display screen following machine member comprises the following steps:
after at least one random piece of the touch display screen is touched for a single time, the time for the random piece of the touch display screen to react is obtained, and the average value of the reaction time is carried out to obtain the sensitivity reaction test time;
repeatedly touching the preset point position of the touch display screen following machine member, wherein the repeated touching times are preset times, and the single-point test reaction time of at least one touch display screen following machine member is obtained;
Obtaining the maximum value and the minimum value of at least one single-point test reaction time, taking the difference between the maximum value and the minimum value of the at least one single-point test reaction time and taking the absolute value to obtain the single-point difference reaction test time;
acquiring at least one touch gesture and a touch response corresponding to the touch gesture;
testing the random piece of the touch display screen by using a touch gesture to obtain the actual test touch response of the touch display screen along with the machine piece;
Judging whether the actual test touch reaction is consistent with the corresponding touch reaction, if so, taking the actual test touch reaction as a correct touch reaction, and if not, performing no treatment;
counting the number of actual test touch reactions and the number of at least one touch gesture serving as correct touch reactions, and taking the ratio of the number of the actual test touch reactions and the number of the at least one touch gesture serving as the correct touch reactions as the accuracy of the touch reaction test;
The comprehensive test parameters are sensitivity reaction test time, single-point differential reaction test time and touch reaction test accuracy respectively;
calculating to obtain the deviation degree of the sampling parameters of the touch display screen along with the machine parts;
calculating to obtain the deviation degree of the touch display screen along with the test parameters of the machine parts;
calculating to obtain the comprehensive deviation degree of the touch display screen following the machine member, wherein the comprehensive deviation degree is equal to the product of the deviation degree of the sampling parameter and the deviation degree of the test parameter;
forming an evaluation grade according to the value range of the comprehensive deviation degree;
The forming the evaluation grade according to the value range of the comprehensive deviation degree comprises the following steps:
acquiring the minimum value and the maximum value in the comprehensive deviation degree of at least one touch display screen following machine member to form a value range of the comprehensive deviation degree;
equally-spaced dividing the value range of the comprehensive deviation degree to obtain at least one local interval;
Numbering the local intervals from left to right according to the arrangement sequence of at least one local interval in the value range of the comprehensive deviation degree;
taking the number of the local interval as the evaluation grade of the local interval;
Acquiring a piece to be detected of the touch display screen, and calculating to obtain the actual comprehensive deviation degree of the piece to be detected of the touch display screen;
The calculation of the actual comprehensive deviation degree of the to-be-measured piece of the touch display screen comprises the following steps:
acquiring comprehensive parameters to be measured of the touch display screen to be measured, wherein the comprehensive parameters to be measured are sensitivity reaction time to be measured, single-point difference reaction time to be measured and touch reaction accuracy to be measured respectively, and the step of acquiring the comprehensive parameters to be measured of the touch display screen to be measured is consistent with the step of acquiring the comprehensive sampling parameters of at least one touch display screen to be measured;
performing high-low temperature simulation test, collision simulation test and spray simulation test on at least one touch display screen to-be-tested piece;
after the simulation test, acquiring comprehensive test parameters of at least one touch display screen to-be-tested piece, wherein the comprehensive test parameters are sensitivity reaction test time to be tested, single-point difference reaction test time to be tested and touch reaction test accuracy respectively, and the step of acquiring the comprehensive test parameters of the at least one touch display screen to-be-tested piece is consistent with the step of acquiring the comprehensive test parameters of the at least one touch display screen to-be-tested piece;
dividing the absolute value of the difference between the time to be measured of the sensitivity reaction and the reference time of the sensitivity reaction by the reference time of the sensitivity reaction to obtain a first duty ratio to be measured;
dividing the absolute value of the difference between the single-point difference reaction time to be detected and the single-point difference reaction reference time by the single-point difference reaction reference time to obtain a second duty ratio to be detected;
The accuracy to be detected of the touch reaction is subjected to absolute value difference with the reference accuracy of the touch reaction, and then divided by the reference accuracy of the touch reaction to obtain a third duty ratio to be detected;
accumulating and averaging the first duty ratio to be measured, the second duty ratio to be measured and the third duty ratio to be measured to obtain the deviation degree of the parameter to be measured;
Dividing the absolute value of the difference between the time of the to-be-tested test of the sensitivity reaction and the time of the reference time of the sensitivity reaction by the reference time of the sensitivity reaction to obtain a first duty ratio of the to-be-tested test;
dividing the absolute value of the difference between the single-point difference reaction test time and the single-point difference reaction reference time by the single-point difference reaction reference time to obtain a second test duty ratio;
the accuracy of the touch reaction test to be tested is subjected to absolute value difference with the reference accuracy of the touch reaction, and then divided by the reference accuracy of the touch reaction to obtain a third test duty ratio to be tested;
The first test to be tested duty ratio, the second test to be tested duty ratio and the third test to be tested duty ratio are accumulated and averaged to obtain the deviation of the test parameters to be tested;
multiplying the deviation of the parameter to be measured by the deviation of the parameter to be measured to obtain the actual comprehensive deviation;
and judging the evaluation grade of the actual comprehensive deviation degree to obtain the evaluation result of the to-be-tested piece of the touch display screen.
Preferably, the high-low temperature simulation test, the collision simulation test and the spray simulation test are performed on at least one touch display screen random piece, and the method comprises the following steps of:
sequentially performing experiments according to the sequence of a high-low temperature simulation test, a collision simulation test and a spray simulation test;
when the high and low temperature simulation test is performed, a preset low temperature and a preset high temperature are used for performing a high and low temperature switching test on the random piece of the touch display screen, wherein the preset low temperature and the preset high temperature are both preset time, and the switching times are preset times;
In the collision simulation test, the random piece of the touch display screen is subjected to repeated collision test with preset pressure, wherein the repeated times are preset times;
and during the spray simulation test, spraying the random piece of the touch display screen with preset water quantity.
Preferably, the calculating the deviation of the sampling parameters of the touch display screen following the machine member comprises the following steps:
Dividing the absolute value of the difference between the sensitivity reaction sampling time and the sensitivity reaction reference time by the sensitivity reaction reference time to obtain a first sampling duty ratio;
Dividing the absolute value of the difference between the single-point differential reaction sampling time and the single-point differential reaction reference time by the single-point differential reaction reference time to obtain a second sampling duty ratio;
the touch reaction sampling accuracy and the touch reaction reference accuracy are subjected to absolute value difference, and then divided by the touch reaction reference accuracy to obtain a third sampling duty ratio;
and accumulating and averaging the first sampling duty ratio, the second sampling duty ratio and the third sampling duty ratio to obtain the deviation degree of the sampling parameters.
Preferably, the calculating the deviation degree of the test parameters of the touch display screen following the machine member comprises the following steps:
dividing the absolute value of the difference between the sensitivity reaction test time and the sensitivity reaction reference time by the sensitivity reaction reference time to obtain a first test duty ratio;
dividing the absolute value of the difference between the single-point difference reaction test time and the single-point difference reaction reference time by the single-point difference reaction reference time to obtain a second test duty ratio;
the accuracy of the touch reaction test is subjected to absolute value difference with the reference accuracy of the touch reaction, and then divided by the reference accuracy of the touch reaction to obtain a third test duty ratio;
and accumulating and averaging the first test duty ratio, the second test duty ratio and the third test duty ratio to obtain the deviation degree of the test parameters.
The touch performance detection and evaluation system for the touch display screen is used for realizing the touch performance detection and evaluation method for the touch display screen, and comprises the following steps:
The data acquisition module acquires the comprehensive reference parameters of at least one touch display screen standard component, acquires the comprehensive sampling parameters of at least one touch display screen following machine member, and acquires the comprehensive test parameters of at least one touch display screen following machine member;
the test module is used for carrying out high-low temperature simulation test, collision simulation test and spray simulation test on at least one touch display screen random piece;
the computing module is used for computing the deviation degree of the sampling parameters of the touch display screen following the machine member, computing the deviation degree of the test parameters of the touch display screen following the machine member, computing the comprehensive deviation degree of the touch display screen following the machine member, and computing the actual comprehensive deviation degree of the touch display screen to-be-tested member;
The evaluation forming module forms an evaluation grade according to the value range of the comprehensive deviation degree;
And the judging pair module judges the evaluation grade of the actual comprehensive deviation degree to obtain the evaluation result of the piece to be tested of the touch display screen.
Compared with the prior art, the invention has the beneficial effects that:
The test module, the calculation module, the evaluation forming module and the judgment pair module are arranged, multiple parameters of the test process are integrated to obtain an evaluation grade, and detection data of the touch display screen to be tested are evaluated according to the evaluation grade, so that performances of different touch display screens can be obtained through evaluation, and multiple parameters are integrated by the evaluation result, so that the evaluation result is more comprehensive and more credible.
Drawings
FIG. 1 is a schematic flow chart of a touch performance detection and evaluation method of a touch display screen of the present invention;
FIG. 2 is a schematic diagram of a process for obtaining integrated reference parameters of at least one touch screen standard of the present invention;
FIG. 3 is a schematic diagram of a process for obtaining integrated sampling parameters of at least one touch display follower according to the present invention;
FIG. 4 is a schematic flow chart of a high and low temperature simulation test, a collision simulation test and a spray simulation test performed on at least one touch display screen random piece according to the present invention;
FIG. 5 is a schematic diagram of a flow chart for obtaining comprehensive test parameters of at least one touch display screen follower according to the invention;
FIG. 6 is a schematic diagram showing a flow of calculating the deviation of the sampling parameters of the touch display screen following the machine member according to the present invention;
FIG. 7 is a schematic diagram of a flow chart of calculating the deviation of the test parameters of the touch display screen following the machine member;
FIG. 8 is a schematic diagram of a process for forming an evaluation level according to the value range of the integrated deviation degree of the present invention;
FIG. 9 is a schematic diagram of a process for calculating the actual integrated deviation of a piece to be measured on a touch display screen according to the present invention.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
Referring to fig. 1, a touch performance detection and evaluation method for a touch display screen includes:
Acquiring comprehensive reference parameters of at least one touch display screen standard component, wherein the comprehensive reference parameters are respectively sensitivity reaction reference time, single-point difference reaction reference time and touch reaction reference accuracy;
acquiring comprehensive sampling parameters of at least one touch display screen following machine member, wherein the comprehensive sampling parameters are respectively sensitivity reaction sampling time, single-point difference reaction sampling time and touch reaction sampling accuracy;
performing a high-low temperature simulation test, a collision simulation test and a spray simulation test on at least one touch display screen random piece;
After the simulation test, acquiring comprehensive test parameters of at least one touch display screen following the machine member, wherein the comprehensive test parameters are respectively sensitivity reaction test time, single-point differential reaction test time and touch reaction test accuracy;
calculating to obtain the deviation degree of the sampling parameters of the touch display screen along with the machine parts;
calculating to obtain the deviation degree of the touch display screen along with the test parameters of the machine parts;
calculating to obtain the comprehensive deviation degree of the touch display screen following the machine member, wherein the comprehensive deviation degree is equal to the product of the deviation degree of the sampling parameter and the deviation degree of the test parameter;
forming an evaluation grade according to the value range of the comprehensive deviation degree;
Acquiring a piece to be detected of the touch display screen, and calculating to obtain the actual comprehensive deviation degree of the piece to be detected of the touch display screen;
and judging the evaluation grade of the actual comprehensive deviation degree to obtain the evaluation result of the to-be-tested piece of the touch display screen.
Referring to fig. 2, acquiring the integrated reference parameters of at least one touch display screen standard includes the steps of:
After at least one single touch display screen standard component is obtained, the time for the touch display screen standard component to react is averaged, and the sensitivity reaction reference time is obtained;
Repeatedly touching preset points of the touch display screen standard components, wherein the repeated touching times are preset times, and single-point standard reaction time of at least one touch display screen standard component is obtained;
Obtaining the maximum value and the minimum value of at least one single-point standard reaction time, taking the difference between the maximum value and the minimum value of the at least one single-point standard reaction time and taking the absolute value to obtain single-point differential reaction reference time;
acquiring at least one touch gesture and a touch response corresponding to the touch gesture;
testing the touch display screen standard component by using the touch gesture to obtain an actual standard touch response of the touch display screen standard component;
Judging whether the actual standard touch reaction is consistent with the corresponding touch reaction, if so, taking the actual standard touch reaction as a correct touch reaction, and if not, not performing any treatment;
Counting the number of actual standard touch reactions and the number of at least one touch gesture serving as correct touch reactions, and taking the ratio of the number of the actual standard touch reactions and the number of the at least one touch gesture serving as the correct touch reactions as the reference accuracy of the touch reactions;
the comprehensive reference parameter of the standard component of the touch display screen is used as a reference for judging the difference between the touch display screen and the qualified product.
Referring to fig. 3, the method for obtaining the comprehensive sampling parameters of at least one touch display screen follower comprises the following steps:
After at least one random piece of the touch display screen is touched for a single time, the time for the random piece of the touch display screen to react is obtained, and the average value of the reaction time is carried out to obtain the sensitivity reaction sampling time;
Repeatedly touching the preset point position of the touch display screen following machine member, wherein the repeated touching times are preset times, and the single-point random reaction time of at least one touch display screen following machine member is obtained;
Obtaining the maximum value and the minimum value of at least one single-point random reaction time, taking the difference between the maximum value and the minimum value of the at least one single-point random reaction time and taking the absolute value to obtain the single-point differential reaction sampling time;
acquiring at least one touch gesture and a touch response corresponding to the touch gesture;
testing the random piece of the touch display screen by using the touch gesture to obtain the actual random touch reaction of the touch display screen along with the machine piece;
judging whether the actual random touch reaction is consistent with the corresponding touch reaction, if so, taking the actual random touch reaction as a correct touch reaction, and if not, performing no processing;
Counting the number of actual random touch reactions and the number of at least one touch gesture serving as correct touch reactions, and taking the ratio of the number of the actual random touch reactions and the number of the at least one touch gesture serving as the correct touch reactions as the touch reaction sampling accuracy;
the comprehensive sampling parameters of the touch display screen random parts are data before the simulation test is carried out on the touch display screen random parts, and the purpose of the data is to form an evaluation grade by using the data of at least one touch display screen random part.
Referring to fig. 4, performing a high-low temperature simulation test, a collision simulation test, and a spray simulation test on at least one touch display screen random piece includes the steps of:
sequentially performing experiments according to the sequence of a high-low temperature simulation test, a collision simulation test and a spray simulation test;
when the high and low temperature simulation test is performed, a preset low temperature and a preset high temperature are used for performing a high and low temperature switching test on the random piece of the touch display screen, wherein the preset low temperature and the preset high temperature are both preset time, and the switching times are preset times;
In the collision simulation test, the random piece of the touch display screen is subjected to repeated collision test with preset pressure, wherein the repeated times are preset times;
When in spray simulation test, spraying the random piece of the touch display screen with preset water quantity;
the simulation test is to simulate various situations in the use process of the touch display screen so as to acquire whether the performance of the touch display screen is affected in the situations.
Referring to fig. 5, the method for obtaining the comprehensive test parameters of the at least one touch display screen follower comprises the following steps:
after at least one random piece of the touch display screen is touched for a single time, the time for the random piece of the touch display screen to react is obtained, and the average value of the reaction time is carried out to obtain the sensitivity reaction test time;
repeatedly touching the preset point position of the touch display screen following machine member, wherein the repeated touching times are preset times, and the single-point test reaction time of at least one touch display screen following machine member is obtained;
Obtaining the maximum value and the minimum value of at least one single-point test reaction time, taking the difference between the maximum value and the minimum value of the at least one single-point test reaction time and taking the absolute value to obtain the single-point difference reaction test time;
acquiring at least one touch gesture and a touch response corresponding to the touch gesture;
testing the random piece of the touch display screen by using a touch gesture to obtain the actual test touch response of the touch display screen along with the machine piece;
Judging whether the actual test touch reaction is consistent with the corresponding touch reaction, if so, taking the actual test touch reaction as a correct touch reaction, and if not, performing no treatment;
counting the number of actual test touch reactions and the number of at least one touch gesture serving as correct touch reactions, and taking the ratio of the number of the actual test touch reactions and the number of the at least one touch gesture serving as the correct touch reactions as the accuracy of the touch reaction test;
the purpose of the comprehensive test parameters of the touch display screen following machine parts is to evaluate the performance of the touch display screen following machine parts after the test, and then an evaluation grade for judgment can be formed according to the comprehensive test parameters.
Referring to fig. 6, the calculation of the deviation of the sampling parameters of the touch display screen following the machine member includes the following steps:
Dividing the absolute value of the difference between the sensitivity reaction sampling time and the sensitivity reaction reference time by the sensitivity reaction reference time to obtain a first sampling duty ratio;
Dividing the absolute value of the difference between the single-point differential reaction sampling time and the single-point differential reaction reference time by the single-point differential reaction reference time to obtain a second sampling duty ratio;
the touch reaction sampling accuracy and the touch reaction reference accuracy are subjected to absolute value difference, and then divided by the touch reaction reference accuracy to obtain a third sampling duty ratio;
the first sampling duty ratio, the second sampling duty ratio and the third sampling duty ratio are accumulated and averaged to obtain the deviation degree of the sampling parameters;
The deviation degree of the sampling parameters synthesizes the comprehensive sampling parameters of the touch display screen following machine parts, and the deviation proportion of each parameter relative to the reference value is used, so that the data of different parameters can be combined and overlapped without considering the problem of weight distribution, and the unreasonable weight distribution is avoided.
Referring to fig. 7, the calculation of the deviation of the test parameters of the touch display screen following the machine member includes the following steps:
dividing the absolute value of the difference between the sensitivity reaction test time and the sensitivity reaction reference time by the sensitivity reaction reference time to obtain a first test duty ratio;
dividing the absolute value of the difference between the single-point difference reaction test time and the single-point difference reaction reference time by the single-point difference reaction reference time to obtain a second test duty ratio;
the accuracy of the touch reaction test is subjected to absolute value difference with the reference accuracy of the touch reaction, and then divided by the reference accuracy of the touch reaction to obtain a third test duty ratio;
The first test duty ratio, the second test duty ratio and the third test duty ratio are accumulated and averaged to obtain the deviation degree of the test parameters;
The deviation degree of the test parameters synthesizes the comprehensive test parameters of the touch display screen following machine parts, and the deviation proportion of each parameter relative to the reference value is used, so that the data of different parameters can be combined and overlapped without considering the problem of weight distribution, and the unreasonable weight distribution is avoided.
Referring to fig. 8, forming an evaluation level according to the value range of the integrated deviation degree includes the steps of:
acquiring the minimum value and the maximum value in the comprehensive deviation degree of at least one touch display screen following machine member to form a value range of the comprehensive deviation degree;
equally-spaced dividing the value range of the comprehensive deviation degree to obtain at least one local interval;
Numbering the local intervals from left to right according to the arrangement sequence of at least one local interval in the value range of the comprehensive deviation degree;
taking the number of the local interval as the evaluation grade of the local interval;
After the evaluation level is formed, for any touch display screen to-be-tested piece, once the actual comprehensive deviation degree of the touch display screen to-be-tested piece is obtained in a similar mode to the touch display screen random piece, the touch display screen to-be-tested piece can be evaluated according to the evaluation level of the local section where the actual comprehensive deviation degree is located, the evaluation level of the local section is the number of the local section, and the smaller the number of the local section is, the better the performance is.
Referring to fig. 9, the step of calculating the actual integrated deviation of the to-be-measured member of the touch display screen includes the following steps, which are consistent with the step of calculating the integrated deviation of the to-be-measured member of the touch display screen:
acquiring comprehensive parameters to be measured of the touch display screen to be measured, wherein the comprehensive parameters to be measured are sensitivity reaction time to be measured, single-point difference reaction time to be measured and touch reaction accuracy to be measured respectively, and the step of acquiring the comprehensive parameters to be measured of the touch display screen to be measured is consistent with the step of acquiring the comprehensive sampling parameters of at least one touch display screen to be measured;
performing high-low temperature simulation test, collision simulation test and spray simulation test on at least one touch display screen to-be-tested piece;
after the simulation test, acquiring comprehensive test parameters of at least one touch display screen to-be-tested piece, wherein the comprehensive test parameters are sensitivity reaction test time to be tested, single-point difference reaction test time to be tested and touch reaction test accuracy respectively, and the step of acquiring the comprehensive test parameters of the at least one touch display screen to-be-tested piece is consistent with the step of acquiring the comprehensive test parameters of the at least one touch display screen to-be-tested piece;
dividing the absolute value of the difference between the time to be measured of the sensitivity reaction and the reference time of the sensitivity reaction by the reference time of the sensitivity reaction to obtain a first duty ratio to be measured;
dividing the absolute value of the difference between the single-point difference reaction time to be detected and the single-point difference reaction reference time by the single-point difference reaction reference time to obtain a second duty ratio to be detected;
The accuracy to be detected of the touch reaction is subjected to absolute value difference with the reference accuracy of the touch reaction, and then divided by the reference accuracy of the touch reaction to obtain a third duty ratio to be detected;
accumulating and averaging the first duty ratio to be measured, the second duty ratio to be measured and the third duty ratio to be measured to obtain the deviation degree of the parameter to be measured;
Dividing the absolute value of the difference between the time of the to-be-tested test of the sensitivity reaction and the time of the reference time of the sensitivity reaction by the reference time of the sensitivity reaction to obtain a first duty ratio of the to-be-tested test;
dividing the absolute value of the difference between the single-point difference reaction test time and the single-point difference reaction reference time by the single-point difference reaction reference time to obtain a second test duty ratio;
the accuracy of the touch reaction test to be tested is subjected to absolute value difference with the reference accuracy of the touch reaction, and then divided by the reference accuracy of the touch reaction to obtain a third test duty ratio to be tested;
The first test to be tested duty ratio, the second test to be tested duty ratio and the third test to be tested duty ratio are accumulated and averaged to obtain the deviation of the test parameters to be tested;
and multiplying the deviation of the parameter to be measured by the deviation of the parameter to be measured to obtain the actual comprehensive deviation.
The touch performance detection and evaluation system for the touch display screen is used for realizing the touch performance detection and evaluation method for the touch display screen, and comprises the following steps:
The data acquisition module acquires the comprehensive reference parameters of at least one touch display screen standard component, acquires the comprehensive sampling parameters of at least one touch display screen following machine member, and acquires the comprehensive test parameters of at least one touch display screen following machine member;
the test module is used for carrying out high-low temperature simulation test, collision simulation test and spray simulation test on at least one touch display screen random piece;
the computing module is used for computing the deviation degree of the sampling parameters of the touch display screen following the machine member, computing the deviation degree of the test parameters of the touch display screen following the machine member, computing the comprehensive deviation degree of the touch display screen following the machine member, and computing the actual comprehensive deviation degree of the touch display screen to-be-tested member;
The evaluation forming module forms an evaluation grade according to the value range of the comprehensive deviation degree;
And the judging pair module judges the evaluation grade of the actual comprehensive deviation degree to obtain the evaluation result of the piece to be tested of the touch display screen.
Still further, the present disclosure further provides a storage medium, on which a computer readable program is stored, and the method for detecting and evaluating touch performance of the touch display screen is executed when the computer readable program is called.
It is understood that the storage medium may be a magnetic medium, e.g., floppy disk, hard disk, magnetic tape; optical media such as DVD; or a semiconductor medium such as a solid state disk SolidStateDisk, SSD, etc.
In summary, the invention has the advantages that: the test module, the calculation module, the evaluation forming module and the judgment pair module are arranged, multiple parameters of the test process are integrated to obtain an evaluation grade, and detection data of the touch display screen to be tested are evaluated according to the evaluation grade, so that performances of different touch display screens can be obtained through evaluation, and multiple parameters are integrated by the evaluation result, so that the evaluation result is more comprehensive and more credible.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. The touch performance detection and evaluation method for the touch display screen is characterized by comprising the following steps of:
acquiring comprehensive reference parameters of at least one touch display screen standard component;
the step of obtaining the comprehensive reference parameters of at least one touch display screen standard component comprises the following steps:
After at least one single touch display screen standard component is obtained, the time for the touch display screen standard component to react is averaged, and the sensitivity reaction reference time is obtained;
Repeatedly touching preset points of the touch display screen standard components, wherein the repeated touching times are preset times, and single-point standard reaction time of at least one touch display screen standard component is obtained;
Obtaining the maximum value and the minimum value of at least one single-point standard reaction time, taking the difference between the maximum value and the minimum value of the at least one single-point standard reaction time and taking the absolute value to obtain single-point differential reaction reference time;
acquiring at least one touch gesture and a touch response corresponding to the touch gesture;
testing the touch display screen standard component by using the touch gesture to obtain an actual standard touch response of the touch display screen standard component;
Judging whether the actual standard touch reaction is consistent with the corresponding touch reaction, if so, taking the actual standard touch reaction as a correct touch reaction, and if not, not performing any treatment;
Counting the number of actual standard touch reactions and the number of at least one touch gesture serving as correct touch reactions, and taking the ratio of the number of the actual standard touch reactions and the number of the at least one touch gesture serving as the correct touch reactions as the reference accuracy of the touch reactions;
The comprehensive reference parameters are sensitivity reaction reference time, single-point difference reaction reference time and touch reaction reference accuracy respectively;
Acquiring comprehensive sampling parameters of at least one touch display screen following machine member;
the method for acquiring the comprehensive sampling parameters of the at least one touch display screen following machine member comprises the following steps:
After at least one random piece of the touch display screen is touched for a single time, the time for the random piece of the touch display screen to react is obtained, and the average value of the reaction time is carried out to obtain the sensitivity reaction sampling time;
Repeatedly touching the preset point position of the touch display screen following machine member, wherein the repeated touching times are preset times, and the single-point random reaction time of at least one touch display screen following machine member is obtained;
Obtaining the maximum value and the minimum value of at least one single-point random reaction time, taking the difference between the maximum value and the minimum value of the at least one single-point random reaction time and taking the absolute value to obtain the single-point differential reaction sampling time;
acquiring at least one touch gesture and a touch response corresponding to the touch gesture;
testing the random piece of the touch display screen by using the touch gesture to obtain the actual random touch reaction of the touch display screen along with the machine piece;
judging whether the actual random touch reaction is consistent with the corresponding touch reaction, if so, taking the actual random touch reaction as a correct touch reaction, and if not, performing no processing;
Counting the number of actual random touch reactions and the number of at least one touch gesture serving as correct touch reactions, and taking the ratio of the number of the actual random touch reactions and the number of the at least one touch gesture serving as the correct touch reactions as the touch reaction sampling accuracy;
The comprehensive sampling parameters are sensitivity reaction sampling time, single-point difference reaction sampling time and touch reaction sampling accuracy respectively;
performing a high-low temperature simulation test, a collision simulation test and a spray simulation test on at least one touch display screen random piece;
after the simulation test, acquiring comprehensive test parameters of at least one touch display screen following machine member;
the method for acquiring the comprehensive test parameters of the at least one touch display screen following machine member comprises the following steps:
after at least one random piece of the touch display screen is touched for a single time, the time for the random piece of the touch display screen to react is obtained, and the average value of the reaction time is carried out to obtain the sensitivity reaction test time;
repeatedly touching the preset point position of the touch display screen following machine member, wherein the repeated touching times are preset times, and the single-point test reaction time of at least one touch display screen following machine member is obtained;
Obtaining the maximum value and the minimum value of at least one single-point test reaction time, taking the difference between the maximum value and the minimum value of the at least one single-point test reaction time and taking the absolute value to obtain the single-point difference reaction test time;
acquiring at least one touch gesture and a touch response corresponding to the touch gesture;
testing the random piece of the touch display screen by using a touch gesture to obtain the actual test touch response of the touch display screen along with the machine piece;
Judging whether the actual test touch reaction is consistent with the corresponding touch reaction, if so, taking the actual test touch reaction as a correct touch reaction, and if not, performing no treatment;
counting the number of actual test touch reactions and the number of at least one touch gesture serving as correct touch reactions, and taking the ratio of the number of the actual test touch reactions and the number of the at least one touch gesture serving as the correct touch reactions as the accuracy of the touch reaction test;
The comprehensive test parameters are sensitivity reaction test time, single-point differential reaction test time and touch reaction test accuracy respectively;
calculating to obtain the deviation degree of the sampling parameters of the touch display screen along with the machine parts;
calculating to obtain the deviation degree of the touch display screen along with the test parameters of the machine parts;
calculating to obtain the comprehensive deviation degree of the touch display screen following the machine member, wherein the comprehensive deviation degree is equal to the product of the deviation degree of the sampling parameter and the deviation degree of the test parameter;
forming an evaluation grade according to the value range of the comprehensive deviation degree;
The forming the evaluation grade according to the value range of the comprehensive deviation degree comprises the following steps:
acquiring the minimum value and the maximum value in the comprehensive deviation degree of at least one touch display screen following machine member to form a value range of the comprehensive deviation degree;
equally-spaced dividing the value range of the comprehensive deviation degree to obtain at least one local interval;
Numbering the local intervals from left to right according to the arrangement sequence of at least one local interval in the value range of the comprehensive deviation degree;
taking the number of the local interval as the evaluation grade of the local interval;
Acquiring a piece to be detected of the touch display screen, and calculating to obtain the actual comprehensive deviation degree of the piece to be detected of the touch display screen;
The calculation of the actual comprehensive deviation degree of the to-be-measured piece of the touch display screen comprises the following steps:
acquiring comprehensive parameters to be measured of the touch display screen to be measured, wherein the comprehensive parameters to be measured are sensitivity reaction time to be measured, single-point difference reaction time to be measured and touch reaction accuracy to be measured respectively, and the step of acquiring the comprehensive parameters to be measured of the touch display screen to be measured is consistent with the step of acquiring the comprehensive sampling parameters of at least one touch display screen to be measured;
performing high-low temperature simulation test, collision simulation test and spray simulation test on at least one touch display screen to-be-tested piece;
after the simulation test, acquiring comprehensive test parameters of at least one touch display screen to-be-tested piece, wherein the comprehensive test parameters are sensitivity reaction test time to be tested, single-point difference reaction test time to be tested and touch reaction test accuracy respectively, and the step of acquiring the comprehensive test parameters of the at least one touch display screen to-be-tested piece is consistent with the step of acquiring the comprehensive test parameters of the at least one touch display screen to-be-tested piece;
dividing the absolute value of the difference between the time to be measured of the sensitivity reaction and the reference time of the sensitivity reaction by the reference time of the sensitivity reaction to obtain a first duty ratio to be measured;
dividing the absolute value of the difference between the single-point difference reaction time to be detected and the single-point difference reaction reference time by the single-point difference reaction reference time to obtain a second duty ratio to be detected;
The accuracy to be detected of the touch reaction is subjected to absolute value difference with the reference accuracy of the touch reaction, and then divided by the reference accuracy of the touch reaction to obtain a third duty ratio to be detected;
accumulating and averaging the first duty ratio to be measured, the second duty ratio to be measured and the third duty ratio to be measured to obtain the deviation degree of the parameter to be measured;
Dividing the absolute value of the difference between the time of the to-be-tested test of the sensitivity reaction and the time of the reference time of the sensitivity reaction by the reference time of the sensitivity reaction to obtain a first duty ratio of the to-be-tested test;
dividing the absolute value of the difference between the single-point difference reaction test time and the single-point difference reaction reference time by the single-point difference reaction reference time to obtain a second test duty ratio;
the accuracy of the touch reaction test to be tested is subjected to absolute value difference with the reference accuracy of the touch reaction, and then divided by the reference accuracy of the touch reaction to obtain a third test duty ratio to be tested;
The first test to be tested duty ratio, the second test to be tested duty ratio and the third test to be tested duty ratio are accumulated and averaged to obtain the deviation of the test parameters to be tested;
multiplying the deviation of the parameter to be measured by the deviation of the parameter to be measured to obtain the actual comprehensive deviation;
and judging the evaluation grade of the actual comprehensive deviation degree to obtain the evaluation result of the to-be-tested piece of the touch display screen.
2. The method for detecting and evaluating touch performance of a touch display screen according to claim 1, wherein the performing a high-low temperature simulation test, a collision simulation test and a spray simulation test on at least one touch display screen random piece comprises the following steps:
sequentially performing experiments according to the sequence of a high-low temperature simulation test, a collision simulation test and a spray simulation test;
when the high and low temperature simulation test is performed, a preset low temperature and a preset high temperature are used for performing a high and low temperature switching test on the random piece of the touch display screen, wherein the preset low temperature and the preset high temperature are both preset time, and the switching times are preset times;
In the collision simulation test, the random piece of the touch display screen is subjected to repeated collision test with preset pressure, wherein the repeated times are preset times;
and during the spray simulation test, spraying the random piece of the touch display screen with preset water quantity.
3. The method for detecting and evaluating touch performance of a touch display screen according to claim 2, wherein the calculating the deviation of the sampling parameter of the touch display screen along with the machine member comprises the following steps:
Dividing the absolute value of the difference between the sensitivity reaction sampling time and the sensitivity reaction reference time by the sensitivity reaction reference time to obtain a first sampling duty ratio;
Dividing the absolute value of the difference between the single-point differential reaction sampling time and the single-point differential reaction reference time by the single-point differential reaction reference time to obtain a second sampling duty ratio;
the touch reaction sampling accuracy and the touch reaction reference accuracy are subjected to absolute value difference, and then divided by the touch reaction reference accuracy to obtain a third sampling duty ratio;
and accumulating and averaging the first sampling duty ratio, the second sampling duty ratio and the third sampling duty ratio to obtain the deviation degree of the sampling parameters.
4. The method for detecting and evaluating touch performance of a touch display screen according to claim 3, wherein the step of calculating the deviation of the test parameters of the touch display screen following the machine member comprises the following steps:
dividing the absolute value of the difference between the sensitivity reaction test time and the sensitivity reaction reference time by the sensitivity reaction reference time to obtain a first test duty ratio;
dividing the absolute value of the difference between the single-point difference reaction test time and the single-point difference reaction reference time by the single-point difference reaction reference time to obtain a second test duty ratio;
the accuracy of the touch reaction test is subjected to absolute value difference with the reference accuracy of the touch reaction, and then divided by the reference accuracy of the touch reaction to obtain a third test duty ratio;
and accumulating and averaging the first test duty ratio, the second test duty ratio and the third test duty ratio to obtain the deviation degree of the test parameters.
5. A touch performance detection and evaluation system for a touch display screen, configured to implement the touch performance detection and evaluation method for a touch display screen according to any one of claims 1 to 4, comprising:
The data acquisition module acquires the comprehensive reference parameters of at least one touch display screen standard component, acquires the comprehensive sampling parameters of at least one touch display screen following machine member, and acquires the comprehensive test parameters of at least one touch display screen following machine member;
the test module is used for carrying out high-low temperature simulation test, collision simulation test and spray simulation test on at least one touch display screen random piece;
the computing module is used for computing the deviation degree of the sampling parameters of the touch display screen following the machine member, computing the deviation degree of the test parameters of the touch display screen following the machine member, computing the comprehensive deviation degree of the touch display screen following the machine member, and computing the actual comprehensive deviation degree of the touch display screen to-be-tested member;
The evaluation forming module forms an evaluation grade according to the value range of the comprehensive deviation degree;
And the judging pair module judges the evaluation grade of the actual comprehensive deviation degree to obtain the evaluation result of the piece to be tested of the touch display screen.
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101187685A (en) * | 2007-10-18 | 2008-05-28 | 张福尧 | Touch panel test device and method |
| CN101751179A (en) * | 2009-12-16 | 2010-06-23 | 深圳市汇顶科技有限公司 | Method and system for automatically calibrating sensitivity of touch detection, and touch control terminal |
| CN103853640A (en) * | 2014-03-31 | 2014-06-11 | 广州华欣电子科技有限公司 | Touch screen test method and device |
| CN104199572A (en) * | 2014-08-18 | 2014-12-10 | 京东方科技集团股份有限公司 | Touch positioning method of touch display device and touch display device |
| WO2018099246A1 (en) * | 2016-11-30 | 2018-06-07 | 中兴通讯股份有限公司 | Touch screen debugging detection method and apparatus, and computer storage medium thereof |
| CN110048703A (en) * | 2019-04-18 | 2019-07-23 | 珠海格力电器股份有限公司 | A kind of method, apparatus and terminal device improving touch key-press sensitivity |
| CN115933901A (en) * | 2021-09-30 | 2023-04-07 | 北京钛方科技有限责任公司 | Touch information determination method and device and storage medium |
| CN116909433A (en) * | 2023-09-12 | 2023-10-20 | 宁波普瑞均胜汽车电子有限公司 | Touch event detection method, device and system and computer equipment |
| CN117312805A (en) * | 2023-11-29 | 2023-12-29 | 江苏纳帝电子科技有限公司 | Analysis method for high-low temperature tolerance test of touch screen finished product |
-
2024
- 2024-03-18 CN CN202410302889.2A patent/CN117891709B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101187685A (en) * | 2007-10-18 | 2008-05-28 | 张福尧 | Touch panel test device and method |
| CN101751179A (en) * | 2009-12-16 | 2010-06-23 | 深圳市汇顶科技有限公司 | Method and system for automatically calibrating sensitivity of touch detection, and touch control terminal |
| CN103853640A (en) * | 2014-03-31 | 2014-06-11 | 广州华欣电子科技有限公司 | Touch screen test method and device |
| CN104199572A (en) * | 2014-08-18 | 2014-12-10 | 京东方科技集团股份有限公司 | Touch positioning method of touch display device and touch display device |
| WO2018099246A1 (en) * | 2016-11-30 | 2018-06-07 | 中兴通讯股份有限公司 | Touch screen debugging detection method and apparatus, and computer storage medium thereof |
| CN110048703A (en) * | 2019-04-18 | 2019-07-23 | 珠海格力电器股份有限公司 | A kind of method, apparatus and terminal device improving touch key-press sensitivity |
| CN115933901A (en) * | 2021-09-30 | 2023-04-07 | 北京钛方科技有限责任公司 | Touch information determination method and device and storage medium |
| CN116909433A (en) * | 2023-09-12 | 2023-10-20 | 宁波普瑞均胜汽车电子有限公司 | Touch event detection method, device and system and computer equipment |
| CN117312805A (en) * | 2023-11-29 | 2023-12-29 | 江苏纳帝电子科技有限公司 | Analysis method for high-low temperature tolerance test of touch screen finished product |
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