CN107301006A - A kind of capacitance plate water-proofing treatment pre-judging method - Google Patents
A kind of capacitance plate water-proofing treatment pre-judging method Download PDFInfo
- Publication number
- CN107301006A CN107301006A CN201610230084.7A CN201610230084A CN107301006A CN 107301006 A CN107301006 A CN 107301006A CN 201610230084 A CN201610230084 A CN 201610230084A CN 107301006 A CN107301006 A CN 107301006A
- Authority
- CN
- China
- Prior art keywords
- capacitance plate
- water
- waterproof
- proofing treatment
- data
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The present invention relates to a kind of capacitance plate water-proofing treatment pre-judging method, first capacitance plate is powered, each channel data of capacitance plate is collected in scanning, then data are analyzed and processed and changed, the difference less than waterproof threshold value full frame to capacitance plate is counted, count value is compared with aqueous mode threshold value, water-proofing treatment is not done to capacitance plate when count value is less than aqueous mode threshold value, enter aqueous mode when count value is more than aqueous mode threshold value, water-proofing treatment is done to capacitance plate, the processing is according to the channel data, set up water distribution morphological data model, and according to water distribution morphological data model specification classification of waterproof, it is last that water-proofing treatment is done using corresponding waterproof algorithm according to the setting classification of waterproof.Capacitance plate is not only reduced according to the inventive method has water to report point by mistake, improve to water induction precision and the degree of accuracy, and the classification of waterproof of capacitance plate can be set, so as to take corresponding water-proofing treatment mode, effectively enhancing capacitance plate waterproof ability, meets navigation, medical treatment etc. to high waterproof demand.
Description
Technical field
It is anti-in particular to a kind of capacitance plate the present invention relates to technical fields such as communication, medical treatment, navigations
Water process pre-judging method.
Background technology
Touch-screen is also known as " touch screen ", " contact panel ", is a kind of sensing for receiving the input signals such as contact
Formula liquid crystal display device, when contacting the graphic button on screen, the haptic feedback system on screen can root
Various link devices are driven according to the formula of preprogramming, it may also be said to be that a kind of annex can connect in display surface
Receive the input signal transparent mediums such as contact., can be according to the operation principle and the medium of transmission information of touch-screen
Touch-screen is divided into four kinds：Resistance-type, capacitor induction type, infrared-type and surface acoustic wave type.Wherein electric capacity
Formula touch-screen is operated using the electric current sensing of manpower, is the touch-screen being most widely used at present.
Capacitive touch screen, alternatively referred to as capacitance plate, generally using using one or more are well-designed,
The ITO layer being etched, these ITO layers form multiple horizontal and vertical electrodes by etching.When finger contact
During touch-screen, finger can form external capacitive, outside as conductor with the Sensor (ITO conductive layer) of touch-screen
Portion's electric capacity and the own internal capacitance formation parallel circuits of Sensor, change the capacity of internal capacitance, and pass through
The change of capacitance in high-frequency ac electro-detection, calculates the position of touch point.
Capacitive touch screen is to temperature, and the environmental change such as humidity is more sensitive, in some fields, especially navigation,
Medical treatment, the industry such as refrigerator household electrical appliances, use environment is in dampness for a long time, and the easy band water of operating personnel
Operation, touch-screen is easy to because water, which exists, causes touch-screen disorderly report point or oncontacting, and having a strong impact on user makes
With.Therefore, researching and developing a kind of capacitance plate water-proofing treatment pre-judging method turns into urgent problem to be solved.
The content of the invention
In view of the defect that above-mentioned prior art is present, the purpose of the present invention is to propose to a kind of capacitance plate water-proofing treatment
Pre-judging method, the problems such as advantageously accounting for interference, the touch-screen exception of the easy surrounding environment of prior art capacitance plate.
To realize aforementioned invention purpose, the technical solution adopted by the present invention includes：
A kind of capacitance plate water-proofing treatment pre-judging method, comprises the steps：
Step S201, is powered to capacitance plate；
Step S202, scans and collects each channel data of capacitance plate；
Step S203, the data to acquisition are analyzed and processed and changed；
Step S204, the difference less than waterproof threshold value full frame to capacitance plate is counted；
Step S205, step S204 count values are compared with aqueous mode threshold value,
Count value is less than aqueous mode threshold value, into step S206,
Count value is more than aqueous mode threshold value, into step S207；
Step S206, water-proofing treatment is not done to capacitance plate；
Step S207, into aqueous mode, water-proofing treatment is done to capacitance plate；
Step S208, according to each channel data of capacitance plate, sets up water distribution morphological data model；
Step S209, according to water distribution morphological data model, sets classification of waterproof；
Step S210, according to the setting classification of waterproof, water-proofing treatment is done using corresponding waterproof algorithm.
Capacitance plate, when finger is touched on the metal layer, due to human body electric field, user and touch screen surface shape
Into a coupled capacitor, for high frequency electric, electric capacity is direct conductor, and then finger is inhaled from contact point
Walk the electric current of a very little.This electric current flows out from the electrode on the corner of touch-screen respectively, and flows through
The electric current of this four electrodes is directly proportional to the distance of finger to corner, passes through the essence of the ratio to this four electric currents
Really calculate, draw the position of touch point.
Further, the step S202 is scanned the present invention with fixed clock frequency and driving voltage,
Each channel data of capacitance plate is collected simultaneously, and the channel data is the initial data of passage.
Further, the step S203, the data to acquisition are analyzed and processed and changed the present invention, i.e.,
Capacitance variation is converted into the parameter of tape symbol, many frame data of continuous acquisition, and averaged.
The present invention further, the waterproof threshold value be according to the capacitance after being analyzed and processed and being changed oneself
Define the numerical value set.
The present invention further, is carried out step S204 count values and aqueous mode threshold value in the step S205
Compare, i.e., the Parameter nodes of all tape symbols less than waterproof threshold values full frame to capacitance plate are counted.
The present invention further, according to the direction of each passage node data of capacitance plate and big in the step S208
It is small, water distribution morphological data model is set up, the parameter value according to each passage node tape symbol sets up dynamic 3D numbers
According to model.
The present invention further, the step S209, according to step S208 water distribution morphological data model specifications
Classification of waterproof.
The present invention further, the step S210, according to the setting classification of waterproof, using corresponding waterproof
Algorithm does water-proofing treatment, the waterproof algorithm be to it is full frame it is all on the occasion of and the parameter value of negative value do on the occasion of absolute
Value it is cumulative and with negative it is cumulative and, when present frame Peak numbers are more than 0, Peaks all to present frame
Traveled through, the satisfactory tape symbol parameter value in the range of 9*9 is done on the occasion of tired using nine grids algorithm
Plus added up with negative value and add up and added up and weight ratio with negative on the occasion of absolute value, prevented using corresponding
Water process mode.
Capacitance plate is not only reduced according to the inventive method has water to report point by mistake, improves to water induction precision and the degree of accuracy,
And the classification of waterproof of capacitance plate can be set, so as to take corresponding water-proofing treatment mode, effectively strengthens electric capacity
Shield waterproof ability, meet navigation, medical treatment etc. to high waterproof demand.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technology of the present invention
Means, and being practiced according to the content of specification, with presently preferred embodiments of the present invention and coordinate attached below
Figure is described in detail as after.
Brief description of the drawings
Fig. 1 is a kind of capacitance plate water-proofing treatment pre-judging method flow chart of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear
Chu, complete description, it is clear that described embodiment is only a part of embodiment of the invention, rather than
Whole embodiments, is not limited to the scope of the present invention.Based on embodiments of the invention, this area is common
The every other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to this hair
The scope of bright protection.
As shown in figure 1, being the water-proofing treatment pre-judging method stream of capacitive touch screen waterproof treatment device of the present invention
Cheng Tu, comprises the following steps：
Step S201, is powered to capacitance plate；
Step S202, scans and collects each channel data of capacitance plate；
Step S203, the data to acquisition are analyzed and processed and changed；
Step S204, the difference less than waterproof threshold value full frame to capacitance plate is counted；
Step S205, step S204 count values are compared with aqueous mode threshold value,
Count value is less than aqueous mode threshold value, into step S206,
Count value is more than aqueous mode threshold value, into step S207；
Step S206, water-proofing treatment is not done to capacitance plate；
Step S207, into aqueous mode, water-proofing treatment is done to capacitance plate；
Step S208, according to each channel data of capacitance plate, sets up water distribution morphological data model；
Step S209, according to water distribution morphological data model, sets classification of waterproof；
Step S210, according to the setting classification of waterproof, water-proofing treatment is done using corresponding waterproof algorithm.
This hair is it should be noted that the step S202, is swept with fixed clock frequency and driving voltage
Retouch, while collecting each channel data of capacitance plate, the channel data is the initial data of passage.
This hair should be noted that the step S203, and the data to acquisition are analyzed and processed and changed,
Capacitance variation is converted into the parameter of tape symbol, many frame data of continuous acquisition, and averaged.Obtain
Initial data, and the process of original data processing and conversion can be summarized as follows：Initial data capacitance plate is electricity
Appearance formula touch-screen, it is general to use multilayer ito film, matrix form distribution is formed, when capacitance plate works, is led up and down
Body layer respectively constitutes a resistor network, is referred to as X layers, Y layers, X layers in the electrode of left and right two, Y
Layer draws signal respectively in two electrodes up and down, and four signals are drawn altogether, constitutes four-wire ohm.When a certain layer
During plus voltage, voltage gradient can be formed on that network.If external force be up and down two layers in certain point
Contact, then electrode be not powered on pressure another layer can measure the voltage of contact point, obtain magnitude of voltage by A D
Conversion just can correspondingly judge the coordinate of contact point.
This hair is it should be noted that the waterproof threshold value is according to the capacitance after being analyzed and processed and being changed
The numerical value of self-defined setting.Capacitance variation is negative value when water is on capacitance plate, electric when finger is on capacitance plate
Capacitance become turn on the occasion of.
This hair is it should be noted that enter step S204 count values with aqueous mode threshold value in the step S205
Row compares, i.e., the Parameter nodes of all tape symbols less than waterproof threshold values full frame to capacitance plate are counted.Such as
100 measured capacitances, individually the waterproof threshold value with setting be compared, such as only 1 capacitance
Less than waterproof threshold value, then 1 is counted as, if wherein there is n capacitance to be compared respectively less than with waterproof threshold value respectively
The waterproof threshold value, then be counted as n.
This hair it should be noted that the step S208 according to each passage node data of capacitance plate direction and
Size, sets up water distribution morphological data model, and the parameter value according to each passage node tape symbol sets up dynamic 3D
Data model.Step S208 is to be judged as the step after profit pattern, when after entering aqueous mode in regulation
Between in the range of do not exit, the dynamic 3D data models refer to by d-making software, according to above-mentioned each logical
The parameter value of road node tape symbol constructs the model with three-dimensional data by virtual three-dimensional space.
This hair is it should be noted that the step S209, sets according to step S208 water distribution morphological data models
Determine classification of waterproof.I.e. according to the dynamic 3D data models set up, the parameter value of tape symbol and different classification of waterproof
Threshold values make comparisons to determine classification of waterproof, or the surface area according to water distribution shape dynamic 3D data models with
The ratio between capacitance plate channel surface area sets classification of waterproof.
This hair is it should be noted that the step S210, according to the setting classification of waterproof, is prevented using corresponding
Water algorithm does water-proofing treatment, the waterproof algorithm be to it is full frame it is all on the occasion of and the parameter value of negative value do on the occasion of exhausted
It is cumulative to value and and negative it is cumulative and, when present frame Peak numbers are more than 0, Peaks all to present frame
Traveled through, the satisfactory tape symbol parameter value in the range of 9*9 is done on the occasion of tired using nine grids algorithm
Plus added up with negative value and add up and added up and weight ratio with negative on the occasion of absolute value, prevented using corresponding
Water process mode.
Therefore, capacitance plate is not only reduced according to the inventive method has water to report point by mistake, improve to water induction precision and
The degree of accuracy, and the classification of waterproof of capacitance plate can be set, so as to take corresponding water-proofing treatment mode, effectively
Strengthen capacitance plate waterproof ability, meet navigation, medical treatment etc. to high waterproof demand.The present invention still has a variety of implementations
Mode, all technical schemes formed by all use equivalents or equivalent transformation all fall within the present invention's
Within protection domain.
Claims (8)
1. a kind of capacitance plate water-proofing treatment pre-judging method, it is characterised in that comprise the steps：
Step S201, is powered to capacitance plate；
Step S202, scans and collects each channel data of capacitance plate；
Step S203, the data to acquisition are analyzed and processed and changed；
Step S204, the difference less than waterproof threshold value full frame to capacitance plate is counted；
Step S205, step S204 count values are compared with aqueous mode threshold value,
Count value is less than aqueous mode threshold value, into step S206,
Count value is more than aqueous mode threshold value, into step S207；
Step S206, water-proofing treatment is not done to capacitance plate；
Step S207, into aqueous mode, water-proofing treatment is done to capacitance plate；
Step S208, according to each channel data of capacitance plate, sets up water distribution morphological data model；
Step S209, according to water distribution morphological data model, sets classification of waterproof；
Step S210, according to the setting classification of waterproof, water-proofing treatment is done using corresponding waterproof algorithm.
2. a kind of capacitance plate water-proofing treatment pre-judging method according to claim 1, it is characterised in that：Institute
Step S202 is stated, is scanned with fixed clock frequency and driving voltage, while collecting each passage of capacitance plate
Data, the channel data is the initial data of passage.
3. a kind of capacitance plate water-proofing treatment pre-judging method according to claim 1, it is characterised in that：Institute
Step S203 is stated, the data to acquisition are analyzed and processed and changed, i.e., capacitance variation is converted into band symbol
Number parameter, many frame data of continuous acquisition, and averaging.
4. a kind of capacitance plate water-proofing treatment pre-judging method according to claim 1, it is characterised in that：Institute
It is the numerical value according to the self-defined setting of capacitance after being analyzed and processed and being changed to state waterproof threshold value.
5. a kind of capacitance plate water-proofing treatment pre-judging method according to claim 1, it is characterised in that：Institute
State in step S205 and to be compared step S204 count values with aqueous mode threshold value, i.e., institute full frame to capacitance plate
The Parameter nodes for having the tape symbol less than waterproof threshold values are counted.
6. a kind of capacitance plate water-proofing treatment pre-judging method according to claim 1, it is characterised in that：Institute
The direction in step S208 according to each passage node data of capacitance plate and size are stated, water distribution morphological data is set up
Model, the parameter value according to each passage node tape symbol sets up dynamic 3D data models.
7. a kind of capacitance plate water-proofing treatment pre-judging method according to claim 1, it is characterised in that：Institute
Step S209 is stated, according to step S208 water distribution morphological data model specification classification of waterproof.
8. a kind of capacitance plate water-proofing treatment pre-judging method according to claim 1, it is characterised in that：Institute
Step S210 is stated, according to the setting classification of waterproof, water-proofing treatment is done using corresponding waterproof algorithm, it is described anti-
Water algorithm be to it is full frame it is all on the occasion of and the parameter value of negative value do cumulative and tired with negative on the occasion of absolute value
Plus and, when present frame Peak numbers are more than 0, Peaks all to present frame are traveled through, using nine grids
Algorithm the satisfactory tape symbol parameter value in the range of 9*9 is done on the occasion of cumulative and negative value it is cumulative and, on the occasion of
Absolute value is cumulative and is added up and weight ratio with negative, using corresponding water-proofing treatment mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610230084.7A CN107301006B (en) | 2016-04-14 | 2016-04-14 | Capacitive screen waterproof processing prejudging method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610230084.7A CN107301006B (en) | 2016-04-14 | 2016-04-14 | Capacitive screen waterproof processing prejudging method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107301006A true CN107301006A (en) | 2017-10-27 |
| CN107301006B CN107301006B (en) | 2020-01-14 |
Family
ID=60137817
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610230084.7A Active CN107301006B (en) | 2016-04-14 | 2016-04-14 | Capacitive screen waterproof processing prejudging method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107301006B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108170319A (en) * | 2018-01-29 | 2018-06-15 | 苏州艾拓琪光电有限公司 | A kind of touch screen Pressure identification processing method |
| CN111596801A (en) * | 2020-05-22 | 2020-08-28 | 江西优奕视界光电有限公司 | Touch screen power supply interference identification processing method |
| CN111984140A (en) * | 2019-05-21 | 2020-11-24 | 仁宝电脑工业股份有限公司 | Method for switching operation mode of touch control panel |
| TWI724628B (en) * | 2019-11-14 | 2021-04-11 | 紘康科技股份有限公司 | Multi-mode operation method for capacitive touch panel |
| TWI819805B (en) * | 2022-09-14 | 2023-10-21 | 瑞昱半導體股份有限公司 | Waterproof-state identification and processing method and device applicable to capacitive touch screen |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221946A (en) * | 2011-03-25 | 2011-10-19 | 苏州瀚瑞微电子有限公司 | Method for indentifying water proofing of capacitive touch panel |
| US20130182360A1 (en) * | 2012-01-10 | 2013-07-18 | Hzo, Inc. | Methods, apparatuses and systems for monitoring for exposure of electronic devices to moisture and reacting to exposure of electronic devices to moisture |
| CN104252399A (en) * | 2013-06-27 | 2014-12-31 | 中兴通讯股份有限公司 | Calibration processing method and device of touch screen, touch screen and terminal |
-
2016
- 2016-04-14 CN CN201610230084.7A patent/CN107301006B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221946A (en) * | 2011-03-25 | 2011-10-19 | 苏州瀚瑞微电子有限公司 | Method for indentifying water proofing of capacitive touch panel |
| US20130182360A1 (en) * | 2012-01-10 | 2013-07-18 | Hzo, Inc. | Methods, apparatuses and systems for monitoring for exposure of electronic devices to moisture and reacting to exposure of electronic devices to moisture |
| CN104252399A (en) * | 2013-06-27 | 2014-12-31 | 中兴通讯股份有限公司 | Calibration processing method and device of touch screen, touch screen and terminal |
Non-Patent Citations (1)
| Title |
|---|
| 郭涵雅等: "电容式触摸按键扫描灵敏度及防水性研究", 《电子技术研发》 * |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108170319A (en) * | 2018-01-29 | 2018-06-15 | 苏州艾拓琪光电有限公司 | A kind of touch screen Pressure identification processing method |
| CN111984140A (en) * | 2019-05-21 | 2020-11-24 | 仁宝电脑工业股份有限公司 | Method for switching operation mode of touch control panel |
| TWI716098B (en) * | 2019-05-21 | 2021-01-11 | 仁寶電腦工業股份有限公司 | Method of switching operation mode of touch panel |
| US11036337B2 (en) | 2019-05-21 | 2021-06-15 | Compal Electronics, Inc. | Method of switching operation mode of touch panel |
| CN111984140B (en) * | 2019-05-21 | 2024-02-20 | 仁宝电脑工业股份有限公司 | Method for switching operation mode of touch control panel |
| TWI724628B (en) * | 2019-11-14 | 2021-04-11 | 紘康科技股份有限公司 | Multi-mode operation method for capacitive touch panel |
| CN111596801A (en) * | 2020-05-22 | 2020-08-28 | 江西优奕视界光电有限公司 | Touch screen power supply interference identification processing method |
| TWI819805B (en) * | 2022-09-14 | 2023-10-21 | 瑞昱半導體股份有限公司 | Waterproof-state identification and processing method and device applicable to capacitive touch screen |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107301006B (en) | 2020-01-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107301006A (en) | A kind of capacitance plate water-proofing treatment pre-judging method | |
| CN104216581B (en) | Contact panel sensor with the bimodulus capacitance type sensing for test object | |
| KR102050444B1 (en) | Touch input system and method for detecting touch using the same | |
| CN105814525B (en) | Discriminating capacitive touch panels | |
| KR101441396B1 (en) | Input System and Method for Detecting Touch Using the Same | |
| CN103760993B (en) | Input system, position indicator and sensor controller | |
| EP2430757B1 (en) | Capacitive sensor device | |
| CN102880364B (en) | Capacitive touchscreen systems, and methods for charge acquisition in the system | |
| CN203502948U (en) | Touch input system | |
| CN105683886B (en) | For in touching application with the method and apparatus of anti-strong noise coordinates computed | |
| US9092100B2 (en) | Multitouch touch-sensitive device with multifrequency capacitive detection | |
| TWI493421B (en) | Touch panel | |
| CN104615315A (en) | Touch sensing system and method for driving the same | |
| CN102681743B (en) | Micro impedance change detection device | |
| JP2015049895A (en) | Input signal identification method of touch panel | |
| US20210124459A1 (en) | Device for detecting touch | |
| CN103577006A (en) | Self-capacitance type touch panel | |
| CN106598366A (en) | Input apparatus, sensor control method, electronic equipment and control method thereof | |
| WO2022105723A1 (en) | Sensing input apparatus and method based on capacitive touch input device | |
| CN205594609U (en) | Waterproof capacitive touch screen device | |
| CN213715903U (en) | Sensing input device based on capacitive touch input equipment | |
| CN105094434B (en) | A kind of gesture identification environment calibration method, system and electronic equipment | |
| CA2835587C (en) | Multitouch tactile device with multifrequency and barycentric capacitive detection | |
| CN209514585U (en) | A kind of touch screen | |
| CN104635984B (en) | A kind of single face position sensor and its localization method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |