CN110764661A - Capacitive touch screen detection method - Google Patents
Capacitive touch screen detection method Download PDFInfo
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- CN110764661A CN110764661A CN201911041894.8A CN201911041894A CN110764661A CN 110764661 A CN110764661 A CN 110764661A CN 201911041894 A CN201911041894 A CN 201911041894A CN 110764661 A CN110764661 A CN 110764661A
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- 238000001514 detection method Methods 0.000 title claims abstract description 46
- 230000035945 sensitivity Effects 0.000 claims abstract description 51
- 238000013500 data storage Methods 0.000 claims abstract description 31
- 238000004458 analytical method Methods 0.000 claims abstract description 25
- 230000006698 induction Effects 0.000 claims abstract description 12
- 238000010206 sensitivity analysis Methods 0.000 claims abstract description 7
- 230000002159 abnormal effect Effects 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 8
- 230000004044 response Effects 0.000 claims description 6
- 230000005856 abnormality Effects 0.000 abstract 4
- 239000010410 layer Substances 0.000 description 7
- 239000011521 glass Substances 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
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- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 239000011241 protective layer Substances 0.000 description 1
- 238000011896 sensitive detection Methods 0.000 description 1
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
- G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
- G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
- G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
- G06F3/044—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by capacitive means
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Abstract
The invention relates to the technical field of touch screen detection, in particular to a capacitive touch screen detection method which comprises an induction acquisition unit, a control processing unit, a data storage module, a sensitivity comparison unit, a sensitivity analysis unit, a sensitivity display unit, an abnormality comparison unit, an abnormality analysis unit and an abnormality reminding unit, wherein the output end of the induction acquisition unit is connected with the input end of the control processing unit, the output end of the control processing unit is connected with the input end of the data storage module, and the input ends of the sensitivity comparison unit and the abnormality comparison unit are connected with the output end of the data storage module respectively. The working efficiency of the touch screen detection is improved.
Description
Technical Field
The invention relates to the technical field of touch screen detection, in particular to a capacitive touch screen detection method.
Background
The capacitive touch screen technology works by using current induction of a human body. The capacitive touch screen is a four-layer composite glass screen, the inner surface and the interlayer of the glass screen are respectively coated with one layer of ITO, the outermost layer is a thin-layer silica glass protective layer, the interlayer ITO coating serves as a working surface, four electrodes are led out from four corners, and the inner layer of ITO serves as a shielding layer to guarantee a good working environment. When a finger touches the metal layer, a coupling capacitance is formed between the user and the touch screen surface due to the electric field of the human body, and for high frequency currents, the capacitance is a direct conductor, so that the finger draws a small current from the contact point. The current respectively flows out from the electrodes on the four corners of the touch screen, the current flowing through the four electrodes is in direct proportion to the distance from the finger to the four corners, the controller obtains the position of a touch point by accurately calculating the proportion of the four currents, the touch screen is widely applied to the fields of mobile phones, flat panels and other consumer electronics at present, and the capacitive touch screen needs to be detected and processed in the production process.
The sensitivity and the abnormal condition of the touch screen to be detected cannot be detected accurately and quickly in the detection process of the traditional capacitive touch screen, and the sensitivity or the abnormal condition of the touch screen to be detected needs to be detected separately, so that the detection working efficiency of the touch screen is low, and therefore, the technical personnel in the field provide a capacitive touch screen detection method.
Disclosure of Invention
The invention aims to provide a capacitive touch screen detection method, which aims to solve the problems that the sensitivity and the abnormal condition of a touch screen to be detected cannot be simultaneously detected accurately and quickly in the traditional capacitive touch screen detection process, and the sensitivity or the abnormal condition of the touch screen to be detected needs to be detected independently, so that the detection working efficiency of the touch screen is low.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a capacitive touch screen detection method, includes response acquisition unit, control processing unit, data storage module, sensitive contrast unit, sensitive analysis unit, sensitive display element, unusual contrast unit, unusual analysis unit and unusual warning unit, response acquisition unit output is connected in control processing unit input, control processing unit output is connected in data storage module input, sensitive contrast unit all connects in data storage module output with unusual contrast unit input, sensitive contrast unit output is connected in sensitive analysis unit, unusual contrast unit output is connected in unusual analysis unit.
As a still further scheme of the invention: the control processing unit is used for integrating and transmitting the touch screen electrode outflow current value information acquired by the induction acquisition unit to the data storage module.
As a still further scheme of the invention: the data storage module is used for storing sensitive benchmark reference data and abnormal benchmark reference data.
As a still further scheme of the invention: the sensitivity comparison unit is used for comparing the acquired sensitivity data information with the sensitivity reference data, and the abnormity comparison unit is used for comparing the acquired abnormity data information with the abnormity reference data.
As a still further scheme of the invention: the sensitivity analysis unit is used for analyzing and judging the comparison result of the sensitivity comparison unit, and the abnormity analysis unit is used for analyzing and judging the comparison result of the abnormity comparison unit.
As a still further scheme of the invention: the sensitive display unit is used for displaying the sensitivity detection result of the touch screen, and the abnormity reminding unit is used for displaying and reminding the abnormity detection result of the touch screen.
As a still further scheme of the invention: a capacitive touch screen detection method comprises the following steps,
sp 1: storing the sensitive reference data and the abnormal reference data in a data storage module;
sp 2: the method comprises the steps that an induction acquisition unit is used for carrying out induction acquisition on the current value flowing out of a touch screen motor to be detected, and the current value is changed into effective data information after being integrated and processed by a control processing unit;
sp 3: the control processing unit transmits the data information to the data storage module;
sp 4: the sensitivity comparison unit compares the acquired data information with the sensitivity reference data information stored in the data storage module, and the sensitivity analysis unit analyzes, judges and processes the comparison result of the sensitivity comparison unit;
sp 5: the sensitivity display unit displays the analysis and judgment results, the display result of the sensitivity detection is divided into high sensitivity, medium sensitivity and low sensitivity, and the sensitivity detection condition of the touch screen can be judged according to the display result;
sp 6: the abnormity comparison unit compares the acquired data information with the abnormity reference data information stored by the data storage module, and the abnormity analysis unit analyzes, judges and processes the comparison result of the abnormity comparison unit;
sp 7: and the abnormity prompting unit prompts and displays the analysis and judgment result, the prompting and display result of the abnormity detection is divided into normal and abnormal, and the abnormity detection condition of the touch screen is judged according to the prompting and display result.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the sensitive reference data and the abnormal reference data are stored in the data storage module, and the sensitive detection system and the abnormal detection system independently operate and detect, so that the sensitivity and the abnormal condition of the touch screen to be detected can be accurately and rapidly detected at the same time, the sensitivity or the abnormal condition of the touch screen to be detected does not need to be detected independently, and the working efficiency of detecting the touch screen is improved.
Description of the drawings:
FIG. 1 is a block diagram of the working principle of a capacitive touch screen detection method;
fig. 2 is a detection flow chart of a capacitive touch screen detection method.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The first embodiment is as follows:
according to fig. 1, the present invention provides a technical solution: the utility model provides a capacitive touch screen detection method, includes response acquisition unit, control processing unit, data storage module, sensitive contrast unit, sensitive analysis unit, sensitive display element, unusual contrast unit, unusual analysis unit and unusual warning unit, response acquisition unit output is connected in control processing unit input, control processing unit output is connected in data storage module input, sensitive contrast unit all connects in data storage module output with unusual contrast unit input, sensitive contrast unit output is connected in sensitive analysis unit, unusual contrast unit output is connected in unusual analysis unit.
The control processing unit is used for integrating and transmitting the touch screen electrode outflow current value information acquired by the induction acquisition unit to the data storage module.
The data storage module is used for storing sensitive benchmark reference data and abnormal benchmark reference data.
The sensitivity comparison unit is used for comparing the acquired sensitivity data information with the sensitivity reference data, and the abnormity comparison unit is used for comparing the acquired abnormity data information with the abnormity reference data.
The sensitivity analysis unit is used for analyzing and judging the comparison result of the sensitivity comparison unit, and the abnormity analysis unit is used for analyzing and judging the comparison result of the abnormity comparison unit.
The sensitive display unit is used for displaying the sensitivity detection result of the touch screen, and the abnormity reminding unit is used for displaying and reminding the abnormity detection result of the touch screen.
Example two:
referring to fig. 2, a capacitive touch screen detection method includes the steps of,
sp 1: storing the sensitive reference data and the abnormal reference data in a data storage module;
sp 2: the method comprises the steps that an induction acquisition unit is used for carrying out induction acquisition on the current value flowing out of a touch screen motor to be detected, and the current value is changed into effective data information after being integrated and processed by a control processing unit;
sp 3: the control processing unit transmits the data information to the data storage module;
sp 4: the sensitivity comparison unit compares the acquired data information with the sensitivity reference data information stored in the data storage module, and the sensitivity analysis unit analyzes, judges and processes the comparison result of the sensitivity comparison unit;
sp 5: the sensitivity display unit displays the analysis and judgment results, the display result of the sensitivity detection is divided into high sensitivity, medium sensitivity and low sensitivity, and the sensitivity detection condition of the touch screen can be judged according to the display result;
sp 6: the abnormity comparison unit compares the acquired data information with the abnormity reference data information stored by the data storage module, and the abnormity analysis unit analyzes, judges and processes the comparison result of the abnormity comparison unit;
sp 7: and the abnormity prompting unit prompts and displays the analysis and judgment result, the prompting and display result of the abnormity detection is divided into normal and abnormal, and the abnormity detection condition of the touch screen is judged according to the prompting and display result.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a capacitive touch screen detection method, its characterized in that, including response acquisition unit, control processing unit, data storage module, sensitive contrast unit, sensitive analysis unit, sensitive display element, unusual contrast unit, unusual analysis unit and unusual warning unit, response acquisition unit output is connected in control processing unit input, control processing unit output is connected in data storage module input, sensitive contrast unit all connects in data storage module output with unusual contrast unit input, sensitive contrast unit output is connected in sensitive analysis unit, unusual contrast unit output is connected in unusual analysis unit.
2. A capacitive touch screen detection method according to claim 1, wherein: the control processing unit is used for integrating and transmitting the touch screen electrode outflow current value information acquired by the induction acquisition unit to the data storage module.
3. A capacitive touch screen detection method according to claim 1, wherein: the data storage module is used for storing sensitive benchmark reference data and abnormal benchmark reference data.
4. A capacitive touch screen detection method according to claim 1, wherein: the sensitivity comparison unit is used for comparing the acquired sensitivity data information with the sensitivity reference data, and the abnormity comparison unit is used for comparing the acquired abnormity data information with the abnormity reference data.
5. A capacitive touch screen detection method according to claim 1, wherein: the sensitivity analysis unit is used for analyzing and judging the comparison result of the sensitivity comparison unit, and the abnormity analysis unit is used for analyzing and judging the comparison result of the abnormity comparison unit.
6. A capacitive touch screen detection method according to claim 1, wherein: the sensitive display unit is used for displaying the sensitivity detection result of the touch screen, and the abnormity reminding unit is used for displaying and reminding the abnormity detection result of the touch screen.
7. A capacitive touch screen detection method comprises the following steps:
sp 1: storing the sensitive reference data and the abnormal reference data in a data storage module;
sp 2: the method comprises the steps that an induction acquisition unit is used for carrying out induction acquisition on the current value flowing out of a touch screen motor to be detected, and the current value is changed into effective data information after being integrated and processed by a control processing unit;
sp 3: the control processing unit transmits the data information to the data storage module;
sp 4: the sensitivity comparison unit compares the acquired data information with the sensitivity reference data information stored in the data storage module, and the sensitivity analysis unit analyzes, judges and processes the comparison result of the sensitivity comparison unit;
sp 5: the sensitivity display unit displays the analysis and judgment results, the display result of the sensitivity detection is divided into high sensitivity, medium sensitivity and low sensitivity, and the sensitivity detection condition of the touch screen can be judged according to the display result;
sp 6: the abnormity comparison unit compares the acquired data information with the abnormity reference data information stored by the data storage module, and the abnormity analysis unit analyzes, judges and processes the comparison result of the abnormity comparison unit;
sp 7: and the abnormity prompting unit prompts and displays the analysis and judgment result, the prompting and display result of the abnormity detection is divided into normal and abnormal, and the abnormity detection condition of the touch screen is judged according to the prompting and display result.
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| CN201911041894.8A CN110764661A (en) | 2019-10-30 | 2019-10-30 | Capacitive touch screen detection method |
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Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799321A (en) * | 2011-05-25 | 2012-11-28 | 深圳市汇顶科技有限公司 | Method and system for updating benchmark data of capacitive multi-point touch screen |
| CN105260077A (en) * | 2015-11-30 | 2016-01-20 | 华勤通讯技术有限公司 | Electronic device and detection method for capacitive touch screen of electronic device |
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- 2019-10-30 CN CN201911041894.8A patent/CN110764661A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102799321A (en) * | 2011-05-25 | 2012-11-28 | 深圳市汇顶科技有限公司 | Method and system for updating benchmark data of capacitive multi-point touch screen |
| CN105260077A (en) * | 2015-11-30 | 2016-01-20 | 华勤通讯技术有限公司 | Electronic device and detection method for capacitive touch screen of electronic device |
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